diff options
Diffstat (limited to 'include/linux')
211 files changed, 6379 insertions, 2661 deletions
diff --git a/include/linux/a.out.h b/include/linux/a.out.h index af8a1dfa5c3..f913cc3e1b0 100644 --- a/include/linux/a.out.h +++ b/include/linux/a.out.h @@ -138,7 +138,7 @@ enum machine_type { #endif #endif -#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1)) +#define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE) #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index bf96ae9d93a..fd48db320f5 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -345,11 +345,19 @@ struct acpi_table_ecdt { /* PCI MMCONFIG */ +/* Defined in PCI Firmware Specification 3.0 */ +struct acpi_table_mcfg_config { + u32 base_address; + u32 base_reserved; + u16 pci_segment_group_number; + u8 start_bus_number; + u8 end_bus_number; + u8 reserved[4]; +} __attribute__ ((packed)); struct acpi_table_mcfg { struct acpi_table_header header; u8 reserved[8]; - u32 base_address; - u32 base_reserved; + struct acpi_table_mcfg_config config[0]; } __attribute__ ((packed)); /* Table Handlers */ @@ -394,6 +402,7 @@ int acpi_table_parse (enum acpi_table_id id, acpi_table_handler handler); int acpi_get_table_header_early (enum acpi_table_id id, struct acpi_table_header **header); int acpi_table_parse_madt (enum acpi_madt_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries); int acpi_table_parse_srat (enum acpi_srat_entry_id id, acpi_madt_entry_handler handler, unsigned int max_entries); +int acpi_parse_mcfg (unsigned long phys_addr, unsigned long size); void acpi_table_print (struct acpi_table_header *header, unsigned long phys_addr); void acpi_table_print_madt_entry (acpi_table_entry_header *madt); void acpi_table_print_srat_entry (acpi_table_entry_header *srat); @@ -410,9 +419,13 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu); int acpi_unmap_lsapic(int cpu); #endif /* CONFIG_ACPI_HOTPLUG_CPU */ +int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); +int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); + extern int acpi_mp_config; -extern u32 pci_mmcfg_base_addr; +extern struct acpi_table_mcfg_config *pci_mmcfg_config; +extern int pci_mmcfg_config_num; extern int sbf_port ; diff --git a/include/linux/arcfb.h b/include/linux/arcfb.h new file mode 100644 index 00000000000..721e7654dae --- /dev/null +++ b/include/linux/arcfb.h @@ -0,0 +1,8 @@ +#ifndef __LINUX_ARCFB_H__ +#define __LINUX_ARCFB_H__ + +#define FBIO_WAITEVENT _IO('F', 0x88) +#define FBIO_GETCONTROL2 _IOR('F', 0x89, size_t) + +#endif + diff --git a/include/linux/ata.h b/include/linux/ata.h index f178894edd0..ca5fcadf998 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -224,6 +224,7 @@ struct ata_taskfile { }; #define ata_id_is_ata(id) (((id)[0] & (1 << 15)) == 0) +#define ata_id_is_sata(id) ((id)[93] == 0) #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6)) #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5)) #define ata_id_has_flush(id) ((id)[83] & (1 << 12)) diff --git a/include/linux/atalk.h b/include/linux/atalk.h index 31d3fc25ccb..911c09cb9bf 100644 --- a/include/linux/atalk.h +++ b/include/linux/atalk.h @@ -1,6 +1,8 @@ #ifndef __LINUX_ATALK_H__ #define __LINUX_ATALK_H__ +#include <asm/byteorder.h> + /* * AppleTalk networking structures * @@ -20,7 +22,7 @@ #define SIOCATALKDIFADDR (SIOCPROTOPRIVATE + 0) struct atalk_addr { - __u16 s_net; + __be16 s_net; __u8 s_node; }; @@ -33,8 +35,8 @@ struct sockaddr_at { struct atalk_netrange { __u8 nr_phase; - __u16 nr_firstnet; - __u16 nr_lastnet; + __be16 nr_firstnet; + __be16 nr_lastnet; }; #ifdef __KERNEL__ @@ -70,8 +72,8 @@ struct atalk_iface { struct atalk_sock { /* struct sock has to be the first member of atalk_sock */ struct sock sk; - unsigned short dest_net; - unsigned short src_net; + __be16 dest_net; + __be16 src_net; unsigned char dest_node; unsigned char src_node; unsigned char dest_port; @@ -95,9 +97,9 @@ struct ddpehdr { deh_hops:4, deh_len:10; #endif - __u16 deh_sum; - __u16 deh_dnet; - __u16 deh_snet; + __be16 deh_sum; + __be16 deh_dnet; + __be16 deh_snet; __u8 deh_dnode; __u8 deh_snode; __u8 deh_dport; @@ -142,24 +144,24 @@ struct ddpshdr { /* AppleTalk AARP headers */ struct elapaarp { - __u16 hw_type; + __be16 hw_type; #define AARP_HW_TYPE_ETHERNET 1 #define AARP_HW_TYPE_TOKENRING 2 - __u16 pa_type; + __be16 pa_type; __u8 hw_len; __u8 pa_len; #define AARP_PA_ALEN 4 - __u16 function; + __be16 function; #define AARP_REQUEST 1 #define AARP_REPLY 2 #define AARP_PROBE 3 __u8 hw_src[ETH_ALEN] __attribute__ ((packed)); __u8 pa_src_zero __attribute__ ((packed)); - __u16 pa_src_net __attribute__ ((packed)); + __be16 pa_src_net __attribute__ ((packed)); __u8 pa_src_node __attribute__ ((packed)); __u8 hw_dst[ETH_ALEN] __attribute__ ((packed)); __u8 pa_dst_zero __attribute__ ((packed)); - __u16 pa_dst_net __attribute__ ((packed)); + __be16 pa_dst_net __attribute__ ((packed)); __u8 pa_dst_node __attribute__ ((packed)); }; diff --git a/include/linux/audit.h b/include/linux/audit.h index 19f04b04979..68aba0c02e4 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -27,15 +27,52 @@ #include <linux/sched.h> #include <linux/elf.h> -/* Request and reply types */ -#define AUDIT_GET 1000 /* Get status */ -#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ -#define AUDIT_LIST 1002 /* List filtering rules */ -#define AUDIT_ADD 1003 /* Add filtering rule */ -#define AUDIT_DEL 1004 /* Delete filtering rule */ -#define AUDIT_USER 1005 /* Send a message from user-space */ -#define AUDIT_LOGIN 1006 /* Define the login id and informaiton */ -#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ +/* The netlink messages for the audit system is divided into blocks: + * 1000 - 1099 are for commanding the audit system + * 1100 - 1199 user space trusted application messages + * 1200 - 1299 messages internal to the audit daemon + * 1300 - 1399 audit event messages + * 1400 - 1499 SE Linux use + * 1500 - 1999 future use + * 2000 is for otherwise unclassified kernel audit messages + * + * Messages from 1000-1199 are bi-directional. 1200-1299 are exclusively user + * space. Anything over that is kernel --> user space communication. + */ +#define AUDIT_GET 1000 /* Get status */ +#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ +#define AUDIT_LIST 1002 /* List syscall filtering rules */ +#define AUDIT_ADD 1003 /* Add syscall filtering rule */ +#define AUDIT_DEL 1004 /* Delete syscall filtering rule */ +#define AUDIT_USER 1005 /* Message from userspace -- deprecated */ +#define AUDIT_LOGIN 1006 /* Define the login id and information */ +#define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ +#define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ +#define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ +#define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ + +#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages uninteresting to kernel */ +#define AUDIT_LAST_USER_MSG 1199 + +#define AUDIT_DAEMON_START 1200 /* Daemon startup record */ +#define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ +#define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ +#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ + +#define AUDIT_SYSCALL 1300 /* Syscall event */ +#define AUDIT_FS_WATCH 1301 /* Filesystem watch event */ +#define AUDIT_PATH 1302 /* Filename path information */ +#define AUDIT_IPC 1303 /* IPC record */ +#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ +#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ +#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ +#define AUDIT_CWD 1307 /* Current working directory */ + +#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ +#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ +#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ + +#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ /* Rule flags */ #define AUDIT_PER_TASK 0x01 /* Apply rule at task creation (not syscall) */ @@ -128,20 +165,13 @@ #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_SPARC (EM_SPARC) -#define AUDIT_ARCH_SPARC64 (EM_SPARC64|__AUDIT_ARCH_64BIT) +#define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE) #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) -#ifndef __KERNEL__ -struct audit_message { - struct nlmsghdr nlh; - char data[1200]; -}; -#endif - struct audit_status { __u32 mask; /* Bit mask for valid entries */ - __u32 enabled; /* 1 = enabled, 0 = disbaled */ + __u32 enabled; /* 1 = enabled, 0 = disabled */ __u32 failure; /* Failure-to-log action */ __u32 pid; /* pid of auditd process */ __u32 rate_limit; /* messages rate limit (per second) */ @@ -161,6 +191,11 @@ struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ #ifdef __KERNEL__ +struct audit_sig_info { + uid_t uid; + pid_t pid; +}; + struct audit_buffer; struct audit_context; struct inode; @@ -185,11 +220,16 @@ extern void audit_inode(const char *name, const struct inode *inode); /* Private API (for audit.c only) */ extern int audit_receive_filter(int type, int pid, int uid, int seq, void *data, uid_t loginuid); -extern void audit_get_stamp(struct audit_context *ctx, - struct timespec *t, unsigned int *serial); +extern unsigned int audit_serial(void); +extern void auditsc_get_stamp(struct audit_context *ctx, + struct timespec *t, unsigned int *serial); extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); extern uid_t audit_get_loginuid(struct audit_context *ctx); extern int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); +extern int audit_socketcall(int nargs, unsigned long *args); +extern int audit_sockaddr(int len, void *addr); +extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt); +extern void audit_signal_info(int sig, struct task_struct *t); #else #define audit_alloc(t) ({ 0; }) #define audit_free(t) do { ; } while (0) @@ -198,18 +238,24 @@ extern int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mo #define audit_getname(n) do { ; } while (0) #define audit_putname(n) do { ; } while (0) #define audit_inode(n,i) do { ; } while (0) +#define audit_receive_filter(t,p,u,s,d,l) ({ -EOPNOTSUPP; }) +#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) #define audit_get_loginuid(c) ({ -1; }) #define audit_ipc_perms(q,u,g,m) ({ 0; }) +#define audit_socketcall(n,a) ({ 0; }) +#define audit_sockaddr(len, addr) ({ 0; }) +#define audit_avc_path(dentry, mnt) ({ 0; }) +#define audit_signal_info(s,t) do { ; } while (0) #endif #ifdef CONFIG_AUDIT /* These are defined in audit.c */ /* Public API */ -extern void audit_log(struct audit_context *ctx, +extern void audit_log(struct audit_context *ctx, int type, const char *fmt, ...) - __attribute__((format(printf,2,3))); + __attribute__((format(printf,3,4))); -extern struct audit_buffer *audit_log_start(struct audit_context *ctx); +extern struct audit_buffer *audit_log_start(struct audit_context *ctx,int type); extern void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) __attribute__((format(printf,2,3))); @@ -229,8 +275,8 @@ extern void audit_send_reply(int pid, int seq, int type, void *payload, int size); extern void audit_log_lost(const char *message); #else -#define audit_log(t,f,...) do { ; } while (0) -#define audit_log_start(t) ({ NULL; }) +#define audit_log(c,t,f,...) do { ; } while (0) +#define audit_log_start(c,t) ({ NULL; }) #define audit_log_vformat(b,f,a) do { ; } while (0) #define audit_log_format(b,f,...) do { ; } while (0) #define audit_log_end(b) do { ; } while (0) diff --git a/include/linux/auto_fs4.h b/include/linux/auto_fs4.h index a1657fb9951..9343c89d843 100644 --- a/include/linux/auto_fs4.h +++ b/include/linux/auto_fs4.h @@ -23,7 +23,7 @@ #define AUTOFS_MIN_PROTO_VERSION 3 #define AUTOFS_MAX_PROTO_VERSION 4 -#define AUTOFS_PROTO_SUBVERSION 6 +#define AUTOFS_PROTO_SUBVERSION 7 /* Mask for expire behaviour */ #define AUTOFS_EXP_IMMEDIATE 1 diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 7e736e201c4..c1e82c51444 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -69,6 +69,11 @@ extern void remove_arg_zero(struct linux_binprm *); extern int search_binary_handler(struct linux_binprm *,struct pt_regs *); extern int flush_old_exec(struct linux_binprm * bprm); +extern int suid_dumpable; +#define SUID_DUMP_DISABLE 0 /* No setuid dumping */ +#define SUID_DUMP_USER 1 /* Dump as user of process */ +#define SUID_DUMP_ROOT 2 /* Dump as root */ + /* Stack area protections */ #define EXSTACK_DEFAULT 0 /* Whatever the arch defaults to */ #define EXSTACK_DISABLE_X 1 /* Disable executable stacks */ diff --git a/include/linux/bio.h b/include/linux/bio.h index 038022763f0..36ef29fa0d8 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -22,6 +22,7 @@ #include <linux/highmem.h> #include <linux/mempool.h> +#include <linux/ioprio.h> /* Platforms may set this to teach the BIO layer about IOMMU hardware. */ #include <asm/io.h> @@ -150,6 +151,19 @@ struct bio { #define BIO_RW_SYNC 4 /* + * upper 16 bits of bi_rw define the io priority of this bio + */ +#define BIO_PRIO_SHIFT (8 * sizeof(unsigned long) - IOPRIO_BITS) +#define bio_prio(bio) ((bio)->bi_rw >> BIO_PRIO_SHIFT) +#define bio_prio_valid(bio) ioprio_valid(bio_prio(bio)) + +#define bio_set_prio(bio, prio) do { \ + WARN_ON(prio >= (1 << IOPRIO_BITS)); \ + (bio)->bi_rw &= ((1UL << BIO_PRIO_SHIFT) - 1); \ + (bio)->bi_rw |= ((unsigned long) (prio) << BIO_PRIO_SHIFT); \ +} while (0) + +/* * various member access, note that bio_data should of course not be used * on highmem page vectors */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ef1afc178c0..0881b5cdee3 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -54,16 +54,23 @@ struct as_io_context { struct cfq_queue; struct cfq_io_context { - void (*dtor)(struct cfq_io_context *); - void (*exit)(struct cfq_io_context *); - - struct io_context *ioc; - /* * circular list of cfq_io_contexts belonging to a process io context */ struct list_head list; struct cfq_queue *cfqq; + void *key; + + struct io_context *ioc; + + unsigned long last_end_request; + unsigned long last_queue; + unsigned long ttime_total; + unsigned long ttime_samples; + unsigned long ttime_mean; + + void (*dtor)(struct cfq_io_context *); + void (*exit)(struct cfq_io_context *); }; /* @@ -73,7 +80,9 @@ struct cfq_io_context { */ struct io_context { atomic_t refcount; - pid_t pid; + struct task_struct *task; + + int (*set_ioprio)(struct io_context *, unsigned int); /* * For request batching @@ -81,14 +90,13 @@ struct io_context { unsigned long last_waited; /* Time last woken after wait for request */ int nr_batch_requests; /* Number of requests left in the batch */ - spinlock_t lock; - struct as_io_context *aic; struct cfq_io_context *cic; }; void put_io_context(struct io_context *ioc); void exit_io_context(void); +struct io_context *current_io_context(int gfp_flags); struct io_context *get_io_context(int gfp_flags); void copy_io_context(struct io_context **pdst, struct io_context **psrc); void swap_io_context(struct io_context **ioc1, struct io_context **ioc2); @@ -134,6 +142,8 @@ struct request { void *elevator_private; + unsigned short ioprio; + int rq_status; /* should split this into a few status bits */ struct gendisk *rq_disk; int errors; @@ -285,16 +295,12 @@ enum blk_queue_state { Queue_up, }; -#define BLK_TAGS_PER_LONG (sizeof(unsigned long) * 8) -#define BLK_TAGS_MASK (BLK_TAGS_PER_LONG - 1) - struct blk_queue_tag { struct request **tag_index; /* map of busy tags */ unsigned long *tag_map; /* bit map of free/busy tags */ struct list_head busy_list; /* fifo list of busy tags */ int busy; /* current depth */ int max_depth; /* what we will send to device */ - int real_max_depth; /* what the array can hold */ atomic_t refcnt; /* map can be shared */ }; @@ -396,6 +402,7 @@ struct request_queue */ unsigned int sg_timeout; unsigned int sg_reserved_size; + int node; struct list_head drain_list; @@ -542,15 +549,12 @@ extern void generic_make_request(struct bio *bio); extern void blk_put_request(struct request *); extern void blk_end_sync_rq(struct request *rq); extern void blk_attempt_remerge(request_queue_t *, struct request *); -extern void __blk_attempt_remerge(request_queue_t *, struct request *); extern struct request *blk_get_request(request_queue_t *, int, int); -extern void blk_insert_request(request_queue_t *, struct request *, int, void *, int); +extern void blk_insert_request(request_queue_t *, struct request *, int, void *); extern void blk_requeue_request(request_queue_t *, struct request *); extern void blk_plug_device(request_queue_t *); extern int blk_remove_plug(request_queue_t *); extern void blk_recount_segments(request_queue_t *, struct bio *); -extern int blk_phys_contig_segment(request_queue_t *q, struct bio *, struct bio *); -extern int blk_hw_contig_segment(request_queue_t *q, struct bio *, struct bio *); extern int scsi_cmd_ioctl(struct file *, struct gendisk *, unsigned int, void __user *); extern void blk_start_queue(request_queue_t *q); extern void blk_stop_queue(request_queue_t *q); @@ -615,6 +619,8 @@ static inline void blkdev_dequeue_request(struct request *req) /* * Access functions for manipulating queue properties */ +extern request_queue_t *blk_init_queue_node(request_fn_proc *rfn, + spinlock_t *lock, int node_id); extern request_queue_t *blk_init_queue(request_fn_proc *, spinlock_t *); extern void blk_cleanup_queue(request_queue_t *); extern void blk_queue_make_request(request_queue_t *, make_request_fn *); @@ -632,7 +638,6 @@ extern void blk_queue_dma_alignment(request_queue_t *, int); extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev); extern void blk_queue_ordered(request_queue_t *, int); extern void blk_queue_issue_flush_fn(request_queue_t *, issue_flush_fn *); -extern int blkdev_scsi_issue_flush_fn(request_queue_t *, struct gendisk *, sector_t *); extern struct request *blk_start_pre_flush(request_queue_t *,struct request *); extern int blk_complete_barrier_rq(request_queue_t *, struct request *, int); extern int blk_complete_barrier_rq_locked(request_queue_t *, struct request *, int); @@ -646,7 +651,8 @@ extern void blk_wait_queue_drained(request_queue_t *, int); extern void blk_finish_queue_drain(request_queue_t *); int blk_get_queue(request_queue_t *); -request_queue_t *blk_alloc_queue(int); +request_queue_t *blk_alloc_queue(int gfp_mask); +request_queue_t *blk_alloc_queue_node(int,int); #define blk_put_queue(q) blk_cleanup_queue((q)) /* @@ -675,8 +681,6 @@ extern int blkdev_issue_flush(struct block_device *, sector_t *); #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist) -extern void drive_stat_acct(struct request *, int, int); - static inline int queue_hardsect_size(request_queue_t *q) { int retval = 512; diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 0dd8ca1a3d5..82bd8842d11 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -22,6 +22,10 @@ extern unsigned long min_low_pfn; */ extern unsigned long max_pfn; +#ifdef CONFIG_CRASH_DUMP +extern unsigned long saved_max_pfn; +#endif + /* * node_bootmem_map is a map pointer - the bits represent all physical * memory pages (including holes) on the node. @@ -67,6 +71,15 @@ extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, 0) #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ +#ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP +extern void *alloc_remap(int nid, unsigned long size); +#else +static inline void *alloc_remap(int nid, unsigned long size) +{ + return NULL; +} +#endif + extern unsigned long __initdata nr_kernel_pages; extern unsigned long __initdata nr_all_pages; diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 802c91e9b3d..90828493791 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -19,6 +19,9 @@ enum bh_state_bits { BH_Dirty, /* Is dirty */ BH_Lock, /* Is locked */ BH_Req, /* Has been submitted for I/O */ + BH_Uptodate_Lock,/* Used by the first bh in a page, to serialise + * IO completion of other buffers in the page + */ BH_Mapped, /* Has a disk mapping */ BH_New, /* Disk mapping was newly created by get_block */ diff --git a/include/linux/byteorder/swabb.h b/include/linux/byteorder/swabb.h index d28d9a804d3..d5f2a320510 100644 --- a/include/linux/byteorder/swabb.h +++ b/include/linux/byteorder/swabb.h @@ -92,29 +92,32 @@ #endif /* OPTIMIZE */ -static __inline__ __const__ __u32 __fswahw32(__u32 x) +static inline __u32 __fswahw32(__u32 x) { return __arch__swahw32(x); } -static __inline__ __u32 __swahw32p(__u32 *x) + +static inline __u32 __swahw32p(__u32 *x) { return __arch__swahw32p(x); } -static __inline__ void __swahw32s(__u32 *addr) + +static inline void __swahw32s(__u32 *addr) { __arch__swahw32s(addr); } - -static __inline__ __const__ __u32 __fswahb32(__u32 x) +static inline __u32 __fswahb32(__u32 x) { return __arch__swahb32(x); } -static __inline__ __u32 __swahb32p(__u32 *x) + +static inline __u32 __swahb32p(__u32 *x) { return __arch__swahb32p(x); } -static __inline__ void __swahb32s(__u32 *addr) + +static inline void __swahb32s(__u32 *addr) { __arch__swahb32s(addr); } diff --git a/include/linux/cache.h b/include/linux/cache.h index 4d767b93738..f6b5a46c5f8 100644 --- a/include/linux/cache.h +++ b/include/linux/cache.h @@ -13,6 +13,12 @@ #define SMP_CACHE_BYTES L1_CACHE_BYTES #endif +#if defined(CONFIG_X86) || defined(CONFIG_SPARC64) +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) +#else +#define __read_mostly +#endif + #ifndef ____cacheline_aligned #define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES))) #endif diff --git a/include/linux/cciss_ioctl.h b/include/linux/cciss_ioctl.h index ee0c6e8995d..424d5e622b4 100644 --- a/include/linux/cciss_ioctl.h +++ b/include/linux/cciss_ioctl.h @@ -10,6 +10,7 @@ typedef struct _cciss_pci_info_struct { unsigned char bus; + unsigned short domain; unsigned char dev_fn; __u32 board_id; } cciss_pci_info_struct; diff --git a/include/linux/chio.h b/include/linux/chio.h new file mode 100644 index 00000000000..63035ae67e6 --- /dev/null +++ b/include/linux/chio.h @@ -0,0 +1,168 @@ +/* + * ioctl interface for the scsi media changer driver + */ + +/* changer element types */ +#define CHET_MT 0 /* media transport element (robot) */ +#define CHET_ST 1 /* storage element (media slots) */ +#define CHET_IE 2 /* import/export element */ +#define CHET_DT 3 /* data transfer element (tape/cdrom/whatever) */ +#define CHET_V1 4 /* vendor specific #1 */ +#define CHET_V2 5 /* vendor specific #2 */ +#define CHET_V3 6 /* vendor specific #3 */ +#define CHET_V4 7 /* vendor specific #4 */ + + +/* + * CHIOGPARAMS + * query changer properties + * + * CHIOVGPARAMS + * query vendor-specific element types + * + * accessing elements works by specifing type and unit of the element. + * for eample, storage elements are addressed with type = CHET_ST and + * unit = 0 .. cp_nslots-1 + * + */ +struct changer_params { + int cp_curpicker; /* current transport element */ + int cp_npickers; /* number of transport elements (CHET_MT) */ + int cp_nslots; /* number of storage elements (CHET_ST) */ + int cp_nportals; /* number of import/export elements (CHET_IE) */ + int cp_ndrives; /* number of data transfer elements (CHET_DT) */ +}; +struct changer_vendor_params { + int cvp_n1; /* number of vendor specific elems (CHET_V1) */ + char cvp_label1[16]; + int cvp_n2; /* number of vendor specific elems (CHET_V2) */ + char cvp_label2[16]; + int cvp_n3; /* number of vendor specific elems (CHET_V3) */ + char cvp_label3[16]; + int cvp_n4; /* number of vendor specific elems (CHET_V4) */ + char cvp_label4[16]; + int reserved[8]; +}; + + +/* + * CHIOMOVE + * move a medium from one element to another + */ +struct changer_move { + int cm_fromtype; /* type/unit of source element */ + int cm_fromunit; + int cm_totype; /* type/unit of destination element */ + int cm_tounit; + int cm_flags; +}; +#define CM_INVERT 1 /* flag: rotate media (for double-sided like MOD) */ + + +/* + * CHIOEXCHANGE + * move one medium from element #1 to element #2, + * and another one from element #2 to element #3. + * element #1 and #3 are allowed to be identical. + */ +struct changer_exchange { + int ce_srctype; /* type/unit of element #1 */ + int ce_srcunit; + int ce_fdsttype; /* type/unit of element #2 */ + int ce_fdstunit; + int ce_sdsttype; /* type/unit of element #3 */ + int ce_sdstunit; + int ce_flags; +}; +#define CE_INVERT1 1 +#define CE_INVERT2 2 + + +/* + * CHIOPOSITION + * move the transport element (robot arm) to a specific element. + */ +struct changer_position { + int cp_type; + int cp_unit; + int cp_flags; +}; +#define CP_INVERT 1 + + +/* + * CHIOGSTATUS + * get element status for all elements of a specific type + */ +struct changer_element_status { + int ces_type; + unsigned char *ces_data; +}; +#define CESTATUS_FULL 0x01 /* full */ +#define CESTATUS_IMPEXP 0x02 /* media was imported (inserted by sysop) */ +#define CESTATUS_EXCEPT 0x04 /* error condition */ +#define CESTATUS_ACCESS 0x08 /* access allowed */ +#define CESTATUS_EXENAB 0x10 /* element can export media */ +#define CESTATUS_INENAB 0x20 /* element can import media */ + + +/* + * CHIOGELEM + * get more detailed status informtion for a single element + */ +struct changer_get_element { + int cge_type; /* type/unit */ + int cge_unit; + int cge_status; /* status */ + int cge_errno; /* errno */ + int cge_srctype; /* source element of the last move/exchange */ + int cge_srcunit; + int cge_id; /* scsi id (for data transfer elements) */ + int cge_lun; /* scsi lun (for data transfer elements) */ + char cge_pvoltag[36]; /* primary volume tag */ + char cge_avoltag[36]; /* alternate volume tag */ + int cge_flags; +}; +/* flags */ +#define CGE_ERRNO 0x01 /* errno available */ +#define CGE_INVERT 0x02 /* media inverted */ +#define CGE_SRC 0x04 /* media src available */ +#define CGE_IDLUN 0x08 /* ID+LUN available */ +#define CGE_PVOLTAG 0x10 /* primary volume tag available */ +#define CGE_AVOLTAG 0x20 /* alternate volume tag available */ + + +/* + * CHIOSVOLTAG + * set volume tag + */ +struct changer_set_voltag { + int csv_type; /* type/unit */ + int csv_unit; + char csv_voltag[36]; /* volume tag */ + int csv_flags; +}; +#define CSV_PVOLTAG 0x01 /* primary volume tag */ +#define CSV_AVOLTAG 0x02 /* alternate volume tag */ +#define CSV_CLEARTAG 0x04 /* clear volume tag */ + +/* ioctls */ +#define CHIOMOVE _IOW('c', 1,struct changer_move) +#define CHIOEXCHANGE _IOW('c', 2,struct changer_exchange) +#define CHIOPOSITION _IOW('c', 3,struct changer_position) +#define CHIOGPICKER _IOR('c', 4,int) /* not impl. */ +#define CHIOSPICKER _IOW('c', 5,int) /* not impl. */ +#define CHIOGPARAMS _IOR('c', 6,struct changer_params) +#define CHIOGSTATUS _IOW('c', 8,struct changer_element_status) +#define CHIOGELEM _IOW('c',16,struct changer_get_element) +#define CHIOINITELEM _IO('c',17) +#define CHIOSVOLTAG _IOW('c',18,struct changer_set_voltag) +#define CHIOGVPARAMS _IOR('c',19,struct changer_vendor_params) + +/* ---------------------------------------------------------------------- */ + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/include/linux/compat_ioctl.h b/include/linux/compat_ioctl.h index 70a4ebb5d96..ecb0d39c079 100644 --- a/include/linux/compat_ioctl.h +++ b/include/linux/compat_ioctl.h @@ -346,10 +346,27 @@ COMPATIBLE_IOCTL(PPPOEIOCDFWD) /* LP */ COMPATIBLE_IOCTL(LPGETSTATUS) /* ppdev */ +COMPATIBLE_IOCTL(PPSETMODE) +COMPATIBLE_IOCTL(PPRSTATUS) +COMPATIBLE_IOCTL(PPRCONTROL) +COMPATIBLE_IOCTL(PPWCONTROL) +COMPATIBLE_IOCTL(PPFCONTROL) +COMPATIBLE_IOCTL(PPRDATA) +COMPATIBLE_IOCTL(PPWDATA) COMPATIBLE_IOCTL(PPCLAIM) COMPATIBLE_IOCTL(PPRELEASE) -COMPATIBLE_IOCTL(PPEXCL) COMPATIBLE_IOCTL(PPYIELD) +COMPATIBLE_IOCTL(PPEXCL) +COMPATIBLE_IOCTL(PPDATADIR) +COMPATIBLE_IOCTL(PPNEGOT) +COMPATIBLE_IOCTL(PPWCTLONIRQ) +COMPATIBLE_IOCTL(PPCLRIRQ) +COMPATIBLE_IOCTL(PPSETPHASE) +COMPATIBLE_IOCTL(PPGETMODES) +COMPATIBLE_IOCTL(PPGETMODE) +COMPATIBLE_IOCTL(PPGETPHASE) +COMPATIBLE_IOCTL(PPGETFLAGS) +COMPATIBLE_IOCTL(PPSETFLAGS) /* CDROM stuff */ COMPATIBLE_IOCTL(CDROMPAUSE) COMPATIBLE_IOCTL(CDROMRESUME) diff --git a/include/linux/cpu.h b/include/linux/cpu.h index fe0298e5dae..e8904c0da68 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -69,6 +69,7 @@ extern struct semaphore cpucontrol; register_cpu_notifier(&fn##_nb); \ } int cpu_down(unsigned int cpu); +extern int __attribute__((weak)) smp_prepare_cpu(int cpu); #define cpu_is_offline(cpu) unlikely(!cpu_online(cpu)) #else #define lock_cpu_hotplug() do { } while (0) diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 927daa86c9b..ff7f80f48df 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -201,7 +201,7 @@ struct cpufreq_driver { /* optional */ int (*exit) (struct cpufreq_policy *policy); - int (*suspend) (struct cpufreq_policy *policy, u32 state); + int (*suspend) (struct cpufreq_policy *policy, pm_message_t pmsg); int (*resume) (struct cpufreq_policy *policy); struct freq_attr **attr; }; diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h new file mode 100644 index 00000000000..534d750d922 --- /dev/null +++ b/include/linux/crash_dump.h @@ -0,0 +1,18 @@ +#ifndef LINUX_CRASH_DUMP_H +#define LINUX_CRASH_DUMP_H + +#ifdef CONFIG_CRASH_DUMP +#include <linux/kexec.h> +#include <linux/smp_lock.h> +#include <linux/device.h> +#include <linux/proc_fs.h> + +#define ELFCORE_ADDR_MAX (-1ULL) +extern unsigned long long elfcorehdr_addr; +extern ssize_t copy_oldmem_page(unsigned long, char *, size_t, + unsigned long, int); +extern struct file_operations proc_vmcore_operations; +extern struct proc_dir_entry *proc_vmcore; + +#endif /* CONFIG_CRASH_DUMP */ +#endif /* LINUX_CRASHDUMP_H */ diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 387da6a3e58..5e2bcc636a0 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -61,6 +61,15 @@ #define CRYPTO_DIR_DECRYPT 0 struct scatterlist; +struct crypto_tfm; + +struct cipher_desc { + struct crypto_tfm *tfm; + void (*crfn)(void *ctx, u8 *dst, const u8 *src); + unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, + const u8 *src, unsigned int nbytes); + void *info; +}; /* * Algorithms: modular crypto algorithm implementations, managed @@ -73,6 +82,19 @@ struct cipher_alg { unsigned int keylen, u32 *flags); void (*cia_encrypt)(void *ctx, u8 *dst, const u8 *src); void (*cia_decrypt)(void *ctx, u8 *dst, const u8 *src); + + unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc, + u8 *dst, const u8 *src, + unsigned int nbytes); + unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc, + u8 *dst, const u8 *src, + unsigned int nbytes); + unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc, + u8 *dst, const u8 *src, + unsigned int nbytes); + unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc, + u8 *dst, const u8 *src, + unsigned int nbytes); }; struct digest_alg { @@ -102,6 +124,7 @@ struct crypto_alg { u32 cra_flags; unsigned int cra_blocksize; unsigned int cra_ctxsize; + unsigned int cra_alignmask; const char cra_name[CRYPTO_MAX_ALG_NAME]; union { @@ -136,7 +159,6 @@ static inline int crypto_alg_available(const char *name, u32 flags) * and core processing logic. Managed via crypto_alloc_tfm() and * crypto_free_tfm(), as well as the various helpers below. */ -struct crypto_tfm; struct cipher_tfm { void *cit_iv; @@ -266,6 +288,16 @@ static inline unsigned int crypto_tfm_alg_digestsize(struct crypto_tfm *tfm) return tfm->__crt_alg->cra_digest.dia_digestsize; } +static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) +{ + return tfm->__crt_alg->cra_alignmask; +} + +static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) +{ + return (void *)&tfm[1]; +} + /* * API wrappers. */ diff --git a/include/linux/dcookies.h b/include/linux/dcookies.h index c2805013616..1d68428c925 100644 --- a/include/linux/dcookies.h +++ b/include/linux/dcookies.h @@ -48,12 +48,12 @@ int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt, #else -struct dcookie_user * dcookie_register(void) +static inline struct dcookie_user * dcookie_register(void) { return NULL; } -void dcookie_unregister(struct dcookie_user * user) +static inline void dcookie_unregister(struct dcookie_user * user) { return; } diff --git a/include/linux/device.h b/include/linux/device.h index de2d6fe349d..06e5d42f2c7 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -14,6 +14,7 @@ #include <linux/config.h> #include <linux/ioport.h> #include <linux/kobject.h> +#include <linux/klist.h> #include <linux/list.h> #include <linux/types.h> #include <linux/module.h> @@ -44,14 +45,15 @@ struct device; struct device_driver; struct class; struct class_device; -struct class_simple; struct bus_type { - char * name; + const char * name; struct subsystem subsys; struct kset drivers; struct kset devices; + struct klist klist_devices; + struct klist klist_drivers; struct bus_attribute * bus_attrs; struct device_attribute * dev_attrs; @@ -67,7 +69,7 @@ struct bus_type { extern int bus_register(struct bus_type * bus); extern void bus_unregister(struct bus_type * bus); -extern int bus_rescan_devices(struct bus_type * bus); +extern void bus_rescan_devices(struct bus_type * bus); extern struct bus_type * get_bus(struct bus_type * bus); extern void put_bus(struct bus_type * bus); @@ -78,6 +80,8 @@ extern struct bus_type * find_bus(char * name); int bus_for_each_dev(struct bus_type * bus, struct device * start, void * data, int (*fn)(struct device *, void *)); +struct device * bus_find_device(struct bus_type *bus, struct device *start, + void *data, int (*match)(struct device *, void *)); int bus_for_each_drv(struct bus_type * bus, struct device_driver * start, void * data, int (*fn)(struct device_driver *, void *)); @@ -98,17 +102,18 @@ extern int bus_create_file(struct bus_type *, struct bus_attribute *); extern void bus_remove_file(struct bus_type *, struct bus_attribute *); struct device_driver { - char * name; + const char * name; struct bus_type * bus; struct completion unloaded; struct kobject kobj; - struct list_head devices; + struct klist klist_devices; + struct klist_node knode_bus; - struct module * owner; + struct module * owner; int (*probe) (struct device * dev); - int (*remove) (struct device * dev); + int (*remove) (struct device * dev); void (*shutdown) (struct device * dev); int (*suspend) (struct device * dev, pm_message_t state, u32 level); int (*resume) (struct device * dev, u32 level); @@ -137,12 +142,19 @@ struct driver_attribute driver_attr_##_name = __ATTR(_name,_mode,_show,_store) extern int driver_create_file(struct device_driver *, struct driver_attribute *); extern void driver_remove_file(struct device_driver *, struct driver_attribute *); +extern int driver_for_each_device(struct device_driver * drv, struct device * start, + void * data, int (*fn)(struct device *, void *)); +struct device * driver_find_device(struct device_driver *drv, + struct device *start, void *data, + int (*match)(struct device *, void *)); + /* * device classes */ struct class { - char * name; + const char * name; + struct module * owner; struct subsystem subsys; struct list_head children; @@ -185,6 +197,7 @@ struct class_device { struct kobject kobj; struct class * class; /* required */ dev_t devt; /* dev_t, creates the sysfs "dev" */ + struct class_device_attribute *devt_attr; struct device * dev; /* not necessary, but nice to have */ void * class_data; /* class-specific data */ @@ -245,26 +258,28 @@ struct class_interface { extern int class_interface_register(struct class_interface *); extern void class_interface_unregister(struct class_interface *); -/* interface for class simple stuff */ -extern struct class_simple *class_simple_create(struct module *owner, char *name); -extern void class_simple_destroy(struct class_simple *cs); -extern struct class_device *class_simple_device_add(struct class_simple *cs, dev_t dev, struct device *device, const char *fmt, ...) - __attribute__((format(printf,4,5))); -extern int class_simple_set_hotplug(struct class_simple *, - int (*hotplug)(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size)); -extern void class_simple_device_remove(dev_t dev); +extern struct class *class_create(struct module *owner, char *name); +extern void class_destroy(struct class *cls); +extern struct class_device *class_device_create(struct class *cls, dev_t devt, + struct device *device, char *fmt, ...) + __attribute__((format(printf,4,5))); +extern void class_device_destroy(struct class *cls, dev_t devt); struct device { - struct list_head node; /* node in sibling list */ - struct list_head bus_list; /* node in bus's list */ - struct list_head driver_list; - struct list_head children; + struct klist klist_children; + struct klist_node knode_parent; /* node in sibling list */ + struct klist_node knode_driver; + struct klist_node knode_bus; struct device * parent; struct kobject kobj; char bus_id[BUS_ID_SIZE]; /* position on parent bus */ + struct semaphore sem; /* semaphore to synchronize calls to + * its driver. + */ + struct bus_type * bus; /* type of bus device is on */ struct device_driver *driver; /* which driver has allocated this device */ @@ -290,12 +305,6 @@ struct device { void (*release)(struct device * dev); }; -static inline struct device * -list_to_dev(struct list_head *node) -{ - return list_entry(node, struct device, node); -} - static inline void * dev_get_drvdata (struct device *dev) { @@ -323,7 +332,6 @@ extern int device_for_each_child(struct device *, void *, * Manual binding of a device to driver. See drivers/base/bus.c * for information on use. */ -extern int driver_probe_device(struct device_driver * drv, struct device * dev); extern void device_bind_driver(struct device * dev); extern void device_release_driver(struct device * dev); extern int device_attach(struct device * dev); @@ -334,8 +342,10 @@ extern void driver_attach(struct device_driver * drv); struct device_attribute { struct attribute attr; - ssize_t (*show)(struct device * dev, char * buf); - ssize_t (*store)(struct device * dev, const char * buf, size_t count); + ssize_t (*show)(struct device *dev, struct device_attribute *attr, + char *buf); + ssize_t (*store)(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count); }; #define DEVICE_ATTR(_name,_mode,_show,_store) \ @@ -362,13 +372,12 @@ extern int (*platform_notify_remove)(struct device * dev); */ extern struct device * get_device(struct device * dev); extern void put_device(struct device * dev); -extern struct device *device_find(const char *name, struct bus_type *bus); /* drivers/base/platform.c */ struct platform_device { - char * name; + const char * name; u32 id; struct device dev; u32 num_resources; diff --git a/include/linux/dm9000.h b/include/linux/dm9000.h new file mode 100644 index 00000000000..0008e2ad0c9 --- /dev/null +++ b/include/linux/dm9000.h @@ -0,0 +1,36 @@ +/* include/linux/dm9000.h + * + * Copyright (c) 2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Header file for dm9000 platform data + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#ifndef __DM9000_PLATFORM_DATA +#define __DM9000_PLATFORM_DATA __FILE__ + +/* IO control flags */ + +#define DM9000_PLATF_8BITONLY (0x0001) +#define DM9000_PLATF_16BITONLY (0x0002) +#define DM9000_PLATF_32BITONLY (0x0004) + +/* platfrom data for platfrom device structure's platfrom_data field */ + +struct dm9000_plat_data { + unsigned int flags; + + /* allow replacement IO routines */ + + void (*inblk)(void __iomem *reg, void *data, int len); + void (*outblk)(void __iomem *reg, void *data, int len); + void (*dumpblk)(void __iomem *reg, int len); +}; + +#endif /* __DM9000_PLATFORM_DATA */ + diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 806c305332c..2d80cc761a1 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -14,7 +14,12 @@ enum dma_data_direction { }; #define DMA_64BIT_MASK 0xffffffffffffffffULL +#define DMA_40BIT_MASK 0x000000ffffffffffULL +#define DMA_39BIT_MASK 0x0000007fffffffffULL #define DMA_32BIT_MASK 0x00000000ffffffffULL +#define DMA_31BIT_MASK 0x000000007fffffffULL +#define DMA_30BIT_MASK 0x000000003fffffffULL +#define DMA_29BIT_MASK 0x000000001fffffffULL #include <asm/dma-mapping.h> diff --git a/include/linux/dmi.h b/include/linux/dmi.h index d2bcf556088..5e93e6dce9a 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -9,6 +9,7 @@ enum dmi_field { DMI_SYS_VENDOR, DMI_PRODUCT_NAME, DMI_PRODUCT_VERSION, + DMI_PRODUCT_SERIAL, DMI_BOARD_VENDOR, DMI_BOARD_NAME, DMI_BOARD_VERSION, diff --git a/include/linux/dqblk_v1.h b/include/linux/dqblk_v1.h index 42fbf479715..57f1250d5a5 100644 --- a/include/linux/dqblk_v1.h +++ b/include/linux/dqblk_v1.h @@ -11,6 +11,12 @@ /* Root squash turned on */ #define V1_DQF_RSQUASH 1 +/* Numbers of blocks needed for updates */ +#define V1_INIT_ALLOC 1 +#define V1_INIT_REWRITE 1 +#define V1_DEL_ALLOC 0 +#define V1_DEL_REWRITE 2 + /* Special information about quotafile */ struct v1_mem_dqinfo { }; diff --git a/include/linux/dqblk_v2.h b/include/linux/dqblk_v2.h index 4a6c5f6867b..4f853322cb7 100644 --- a/include/linux/dqblk_v2.h +++ b/include/linux/dqblk_v2.h @@ -10,6 +10,12 @@ /* id numbers of quota format */ #define QFMT_VFS_V0 2 +/* Numbers of blocks needed for updates */ +#define V2_INIT_ALLOC 4 +#define V2_INIT_REWRITE 2 +#define V2_DEL_ALLOC 0 +#define V2_DEL_REWRITE 6 + /* Inmemory copy of version specific information */ struct v2_mem_dqinfo { unsigned int dqi_blocks; diff --git a/include/linux/efi.h b/include/linux/efi.h index 047e7222df7..73781ec165b 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -315,7 +315,7 @@ extern struct efi_memory_map memmap; */ static inline int efi_range_is_wc(unsigned long start, unsigned long len) { - int i; + unsigned long i; for (i = 0; i < len; i += (1UL << EFI_PAGE_SHIFT)) { unsigned long paddr = __pa(start + i); diff --git a/include/linux/elevator.h b/include/linux/elevator.h index ee54f81faad..ea6bbc2d740 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -16,9 +16,9 @@ typedef void (elevator_remove_req_fn) (request_queue_t *, struct request *); typedef void (elevator_requeue_req_fn) (request_queue_t *, struct request *); typedef struct request *(elevator_request_list_fn) (request_queue_t *, struct request *); typedef void (elevator_completed_req_fn) (request_queue_t *, struct request *); -typedef int (elevator_may_queue_fn) (request_queue_t *, int); +typedef int (elevator_may_queue_fn) (request_queue_t *, int, struct bio *); -typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, int); +typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, struct bio *, int); typedef void (elevator_put_req_fn) (request_queue_t *, struct request *); typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *); @@ -96,9 +96,9 @@ extern struct request *elv_former_request(request_queue_t *, struct request *); extern struct request *elv_latter_request(request_queue_t *, struct request *); extern int elv_register_queue(request_queue_t *q); extern void elv_unregister_queue(request_queue_t *q); -extern int elv_may_queue(request_queue_t *, int); +extern int elv_may_queue(request_queue_t *, int, struct bio *); extern void elv_completed_request(request_queue_t *, struct request *); -extern int elv_set_request(request_queue_t *, struct request *, int); +extern int elv_set_request(request_queue_t *, struct request *, struct bio *, int); extern void elv_put_request(request_queue_t *, struct request *); /* diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index a1478258d00..ce8518e658b 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -25,6 +25,7 @@ #define _LINUX_ETHERDEVICE_H #include <linux/if_ether.h> +#include <linux/netdevice.h> #include <linux/random.h> #ifdef __KERNEL__ @@ -32,7 +33,7 @@ extern int eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, void *daddr, void *saddr, unsigned len); extern int eth_rebuild_header(struct sk_buff *skb); -extern unsigned short eth_type_trans(struct sk_buff *skb, struct net_device *dev); +extern __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev); extern void eth_header_cache_update(struct hh_cache *hh, struct net_device *dev, unsigned char * haddr); extern int eth_header_cache(struct neighbour *neigh, @@ -65,7 +66,7 @@ static inline int is_zero_ether_addr(const u8 *addr) */ static inline int is_multicast_ether_addr(const u8 *addr) { - return addr[0] & 0x01; + return ((addr[0] != 0xff) && (0x01 & addr[0])); } /** diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h index fab43527e59..a657130ba03 100644 --- a/include/linux/ext2_fs.h +++ b/include/linux/ext2_fs.h @@ -300,18 +300,19 @@ struct ext2_inode { /* * Mount flags */ -#define EXT2_MOUNT_CHECK 0x0001 /* Do mount-time checks */ -#define EXT2_MOUNT_OLDALLOC 0x0002 /* Don't use the new Orlov allocator */ -#define EXT2_MOUNT_GRPID 0x0004 /* Create files with directory's group */ -#define EXT2_MOUNT_DEBUG 0x0008 /* Some debugging messages */ -#define EXT2_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */ -#define EXT2_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */ -#define EXT2_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */ -#define EXT2_MOUNT_MINIX_DF 0x0080 /* Mimics the Minix statfs */ -#define EXT2_MOUNT_NOBH 0x0100 /* No buffer_heads */ -#define EXT2_MOUNT_NO_UID32 0x0200 /* Disable 32-bit UIDs */ -#define EXT2_MOUNT_XATTR_USER 0x4000 /* Extended user attributes */ -#define EXT2_MOUNT_POSIX_ACL 0x8000 /* POSIX Access Control Lists */ +#define EXT2_MOUNT_CHECK 0x000001 /* Do mount-time checks */ +#define EXT2_MOUNT_OLDALLOC 0x000002 /* Don't use the new Orlov allocator */ +#define EXT2_MOUNT_GRPID 0x000004 /* Create files with directory's group */ +#define EXT2_MOUNT_DEBUG 0x000008 /* Some debugging messages */ +#define EXT2_MOUNT_ERRORS_CONT 0x000010 /* Continue on errors */ +#define EXT2_MOUNT_ERRORS_RO 0x000020 /* Remount fs ro on errors */ +#define EXT2_MOUNT_ERRORS_PANIC 0x000040 /* Panic on errors */ +#define EXT2_MOUNT_MINIX_DF 0x000080 /* Mimics the Minix statfs */ +#define EXT2_MOUNT_NOBH 0x000100 /* No buffer_heads */ +#define EXT2_MOUNT_NO_UID32 0x000200 /* Disable 32-bit UIDs */ +#define EXT2_MOUNT_XATTR_USER 0x004000 /* Extended user attributes */ +#define EXT2_MOUNT_POSIX_ACL 0x008000 /* POSIX Access Control Lists */ +#define EXT2_MOUNT_XIP 0x010000 /* Execute in place */ #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt #define set_opt(o, opt) o |= EXT2_MOUNT_##opt diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 74ad31781e3..c16662836c5 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -239,6 +239,20 @@ struct ext3_new_group_data { #define EXT3_IOC_SETRSVSZ _IOW('f', 6, long) /* + * Mount options + */ +struct ext3_mount_options { + unsigned long s_mount_opt; + uid_t s_resuid; + gid_t s_resgid; + unsigned long s_commit_interval; +#ifdef CONFIG_QUOTA + int s_jquota_fmt; + char *s_qf_names[MAXQUOTAS]; +#endif +}; + +/* * Structure of an inode on the disk */ struct ext3_inode { @@ -358,6 +372,7 @@ struct ext3_inode { #define EXT3_MOUNT_RESERVATION 0x10000 /* Preallocation */ #define EXT3_MOUNT_BARRIER 0x20000 /* Use block barriers */ #define EXT3_MOUNT_NOBH 0x40000 /* No bufferheads */ +#define EXT3_MOUNT_QUOTA 0x80000 /* Some quota option set */ /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */ #ifndef _LINUX_EXT2_FS_H diff --git a/include/linux/ext3_jbd.h b/include/linux/ext3_jbd.h index e8292af9033..c8307c02dd0 100644 --- a/include/linux/ext3_jbd.h +++ b/include/linux/ext3_jbd.h @@ -42,15 +42,15 @@ * superblock only gets updated once, of course, so don't bother * counting that again for the quota updates. */ -#define EXT3_DATA_TRANS_BLOCKS (EXT3_SINGLEDATA_TRANS_BLOCKS + \ +#define EXT3_DATA_TRANS_BLOCKS(sb) (EXT3_SINGLEDATA_TRANS_BLOCKS + \ EXT3_XATTR_TRANS_BLOCKS - 2 + \ - 2*EXT3_QUOTA_TRANS_BLOCKS) + 2*EXT3_QUOTA_TRANS_BLOCKS(sb)) /* Delete operations potentially hit one directory's namespace plus an * entire inode, plus arbitrary amounts of bitmap/indirection data. Be * generous. We can grow the delete transaction later if necessary. */ -#define EXT3_DELETE_TRANS_BLOCKS (2 * EXT3_DATA_TRANS_BLOCKS + 64) +#define EXT3_DELETE_TRANS_BLOCKS(sb) (2 * EXT3_DATA_TRANS_BLOCKS(sb) + 64) /* Define an arbitrary limit for the amount of data we will anticipate * writing to any given transaction. For unbounded transactions such as @@ -74,14 +74,17 @@ #ifdef CONFIG_QUOTA /* Amount of blocks needed for quota update - we know that the structure was * allocated so we need to update only inode+data */ -#define EXT3_QUOTA_TRANS_BLOCKS 2 +#define EXT3_QUOTA_TRANS_BLOCKS(sb) (test_opt(sb, QUOTA) ? 2 : 0) /* Amount of blocks needed for quota insert/delete - we do some block writes * but inode, sb and group updates are done only once */ -#define EXT3_QUOTA_INIT_BLOCKS (DQUOT_MAX_WRITES*\ - (EXT3_SINGLEDATA_TRANS_BLOCKS-3)+3) +#define EXT3_QUOTA_INIT_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_INIT_ALLOC*\ + (EXT3_SINGLEDATA_TRANS_BLOCKS-3)+3+DQUOT_INIT_REWRITE) : 0) +#define EXT3_QUOTA_DEL_BLOCKS(sb) (test_opt(sb, QUOTA) ? (DQUOT_DEL_ALLOC*\ + (EXT3_SINGLEDATA_TRANS_BLOCKS-3)+3+DQUOT_DEL_REWRITE) : 0) #else -#define EXT3_QUOTA_TRANS_BLOCKS 0 -#define EXT3_QUOTA_INIT_BLOCKS 0 +#define EXT3_QUOTA_TRANS_BLOCKS(sb) 0 +#define EXT3_QUOTA_INIT_BLOCKS(sb) 0 +#define EXT3_QUOTA_DEL_BLOCKS(sb) 0 #endif int diff --git a/include/linux/fadvise.h b/include/linux/fadvise.h index 6fc656dfb93..e8e747139b9 100644 --- a/include/linux/fadvise.h +++ b/include/linux/fadvise.h @@ -5,7 +5,17 @@ #define POSIX_FADV_RANDOM 1 /* Expect random page references. */ #define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ #define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ + +/* + * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE + * for s390-64 differ from the values for the rest of the world. + */ +#if defined(__s390x__) +#define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */ +#define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */ +#else #define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ #define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ +#endif #endif /* FADVISE_H_INCLUDED */ diff --git a/include/linux/fb.h b/include/linux/fb.h index b468bf49654..bc24beeed97 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -524,11 +524,11 @@ struct fb_pixmap { u32 offset; /* current offset to buffer */ u32 buf_align; /* byte alignment of each bitmap */ u32 scan_align; /* alignment per scanline */ - u32 access_align; /* alignment per read/write */ + u32 access_align; /* alignment per read/write (bits) */ u32 flags; /* see FB_PIXMAP_* */ /* access methods */ - void (*outbuf)(struct fb_info *info, u8 *addr, u8 *src, unsigned int size); - u8 (*inbuf) (struct fb_info *info, u8 *addr); + void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); + void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); }; @@ -816,18 +816,9 @@ extern int unregister_framebuffer(struct fb_info *fb_info); extern int fb_prepare_logo(struct fb_info *fb_info); extern int fb_show_logo(struct fb_info *fb_info); extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); -extern void fb_iomove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf, - u8 *dst, u32 d_pitch, u8 *src, u32 idx, +extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, u32 height, u32 shift_high, u32 shift_low, u32 mod); -extern void fb_iomove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf, - u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, - u32 height); -extern void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf, - u8 *dst, u32 d_pitch, u8 *src, u32 idx, - u32 height, u32 shift_high, u32 shift_low, u32 mod); -extern void fb_sysmove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf, - u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, - u32 height); +extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); extern void fb_set_suspend(struct fb_info *info, int state); extern int fb_get_color_depth(struct fb_var_screeninfo *var); extern int fb_get_options(char *name, char **option); diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h index 704fb76b633..8a7c82151de 100644 --- a/include/linux/fcntl.h +++ b/include/linux/fcntl.h @@ -25,6 +25,10 @@ #ifdef __KERNEL__ +#ifndef force_o_largefile +#define force_o_largefile() (BITS_PER_LONG != 32) +#endif + #if BITS_PER_LONG == 32 #define IS_GETLK32(cmd) ((cmd) == F_GETLK) #define IS_SETLK32(cmd) ((cmd) == F_SETLK) diff --git a/include/linux/fddidevice.h b/include/linux/fddidevice.h index 002f6367697..e61e42dfd31 100644 --- a/include/linux/fddidevice.h +++ b/include/linux/fddidevice.h @@ -25,7 +25,7 @@ #include <linux/if_fddi.h> #ifdef __KERNEL__ -extern unsigned short fddi_type_trans(struct sk_buff *skb, +extern __be16 fddi_type_trans(struct sk_buff *skb, struct net_device *dev); extern struct net_device *alloc_fddidev(int sizeof_priv); #endif diff --git a/include/linux/font.h b/include/linux/font.h index fc2d690c9d5..8fc80a7d78a 100644 --- a/include/linux/font.h +++ b/include/linux/font.h @@ -25,19 +25,23 @@ struct font_desc { #define VGA8x16_IDX 1 #define PEARL8x8_IDX 2 #define VGA6x11_IDX 3 -#define SUN8x16_IDX 4 -#define SUN12x22_IDX 5 -#define ACORN8x8_IDX 6 -#define MINI4x6_IDX 7 +#define FONT7x14_IDX 4 +#define FONT10x18_IDX 5 +#define SUN8x16_IDX 6 +#define SUN12x22_IDX 7 +#define ACORN8x8_IDX 8 +#define MINI4x6_IDX 9 extern struct font_desc font_vga_8x8, - font_vga_8x16, - font_pearl_8x8, - font_vga_6x11, - font_sun_8x16, - font_sun_12x22, - font_acorn_8x8, - font_mini_4x6; + font_vga_8x16, + font_pearl_8x8, + font_vga_6x11, + font_7x14, + font_10x18, + font_sun_8x16, + font_sun_12x22, + font_acorn_8x8, + font_mini_4x6; /* Find a font with a specific name */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 0180102dace..f9adf75fd9b 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -213,6 +213,7 @@ extern int dir_notify_enable; #include <linux/radix-tree.h> #include <linux/prio_tree.h> #include <linux/init.h> +#include <linux/sched.h> #include <asm/atomic.h> #include <asm/semaphore.h> @@ -220,6 +221,7 @@ extern int dir_notify_enable; struct iovec; struct nameidata; +struct kiocb; struct pipe_inode_info; struct poll_table_struct; struct kstatfs; @@ -240,7 +242,7 @@ typedef int (get_block_t)(struct inode *inode, sector_t iblock, typedef int (get_blocks_t)(struct inode *inode, sector_t iblock, unsigned long max_blocks, struct buffer_head *bh_result, int create); -typedef void (dio_iodone_t)(struct inode *inode, loff_t offset, +typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset, ssize_t bytes, void *private); /* @@ -302,7 +304,6 @@ struct iattr { struct page; struct address_space; struct writeback_control; -struct kiocb; struct address_space_operations { int (*writepage)(struct page *page, struct writeback_control *wbc); @@ -330,6 +331,8 @@ struct address_space_operations { int (*releasepage) (struct page *, int); ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov, loff_t offset, unsigned long nr_segs); + struct page* (*get_xip_page)(struct address_space *, sector_t, + int); }; struct backing_dev_info; @@ -471,6 +474,11 @@ struct inode { struct dnotify_struct *i_dnotify; /* for directory notifications */ #endif +#ifdef CONFIG_INOTIFY + struct list_head inotify_watches; /* watches on this inode */ + struct semaphore inotify_sem; /* protects the watches list */ +#endif + unsigned long i_state; unsigned long dirtied_when; /* jiffies of first dirtying */ @@ -581,7 +589,6 @@ struct file { atomic_t f_count; unsigned int f_flags; mode_t f_mode; - int f_error; loff_t f_pos; struct fown_struct f_owner; unsigned int f_uid, f_gid; @@ -674,6 +681,7 @@ struct file_lock { struct lock_manager_operations *fl_lmops; /* Callbacks for lockmanagers */ union { struct nfs_lock_info nfs_fl; + struct nfs4_lock_info nfs4_fl; } fl_u; }; @@ -689,11 +697,13 @@ extern struct list_head file_lock_list; #include <linux/fcntl.h> extern int fcntl_getlk(struct file *, struct flock __user *); -extern int fcntl_setlk(struct file *, unsigned int, struct flock __user *); +extern int fcntl_setlk(unsigned int, struct file *, unsigned int, + struct flock __user *); #if BITS_PER_LONG == 32 extern int fcntl_getlk64(struct file *, struct flock64 __user *); -extern int fcntl_setlk64(struct file *, unsigned int, struct flock64 __user *); +extern int fcntl_setlk64(unsigned int, struct file *, unsigned int, + struct flock64 __user *); #endif extern void send_sigio(struct fown_struct *fown, int fd, int band); @@ -820,16 +830,34 @@ enum { #define vfs_check_frozen(sb, level) \ wait_event((sb)->s_wait_unfrozen, ((sb)->s_frozen < (level))) +static inline void get_fs_excl(void) +{ + atomic_inc(¤t->fs_excl); +} + +static inline void put_fs_excl(void) +{ + atomic_dec(¤t->fs_excl); +} + +static inline int has_fs_excl(void) +{ + return atomic_read(¤t->fs_excl); +} + + /* * Superblock locking. */ static inline void lock_super(struct super_block * sb) { + get_fs_excl(); down(&sb->s_lock); } static inline void unlock_super(struct super_block * sb) { + put_fs_excl(); up(&sb->s_lock); } @@ -883,7 +911,9 @@ struct block_device_operations { int (*open) (struct inode *, struct file *); int (*release) (struct inode *, struct file *); int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long); + long (*unlocked_ioctl) (struct file *, unsigned, unsigned long); long (*compat_ioctl) (struct file *, unsigned, unsigned long); + int (*direct_access) (struct block_device *, sector_t, unsigned long *); int (*media_changed) (struct gendisk *); int (*revalidate_disk) (struct gendisk *); struct module *owner; @@ -1024,6 +1054,7 @@ struct super_operations { #define I_FREEING 16 #define I_CLEAR 32 #define I_NEW 64 +#define I_WILL_FREE 128 #define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES) @@ -1369,7 +1400,6 @@ extern void emergency_remount(void); extern int do_remount_sb(struct super_block *sb, int flags, void *data, int force); extern sector_t bmap(struct inode *, sector_t); -extern int setattr_mask(unsigned int); extern int notify_change(struct dentry *, struct iattr *); extern int permission(struct inode *, int, struct nameidata *); extern int generic_permission(struct inode *, int, @@ -1411,7 +1441,11 @@ extern struct inode * igrab(struct inode *); extern ino_t iunique(struct super_block *, ino_t); extern int inode_needs_sync(struct inode *inode); extern void generic_delete_inode(struct inode *inode); +extern void generic_drop_inode(struct inode *inode); +extern struct inode *ilookup5_nowait(struct super_block *sb, + unsigned long hashval, int (*test)(struct inode *, void *), + void *data); extern struct inode *ilookup5(struct super_block *sb, unsigned long hashval, int (*test)(struct inode *, void *), void *data); extern struct inode *ilookup(struct super_block *sb, unsigned long ino); @@ -1494,6 +1528,23 @@ extern loff_t remote_llseek(struct file *file, loff_t offset, int origin); extern int generic_file_open(struct inode * inode, struct file * filp); extern int nonseekable_open(struct inode * inode, struct file * filp); +#ifdef CONFIG_FS_XIP +extern ssize_t xip_file_read(struct file *filp, char __user *buf, size_t len, + loff_t *ppos); +extern ssize_t xip_file_sendfile(struct file *in_file, loff_t *ppos, + size_t count, read_actor_t actor, + void *target); +extern int xip_file_mmap(struct file * file, struct vm_area_struct * vma); +extern ssize_t xip_file_write(struct file *filp, const char __user *buf, + size_t len, loff_t *ppos); +extern int xip_truncate_page(struct address_space *mapping, loff_t from); +#else +static inline int xip_truncate_page(struct address_space *mapping, loff_t from) +{ + return 0; +} +#endif + static inline void do_generic_file_read(struct file * filp, loff_t *ppos, read_descriptor_t * desc, read_actor_t actor) @@ -1657,6 +1708,52 @@ static inline void simple_transaction_set(struct file *file, size_t n) ar->size = n; } +/* + * simple attribute files + * + * These attributes behave similar to those in sysfs: + * + * Writing to an attribute immediately sets a value, an open file can be + * written to multiple times. + * + * Reading from an attribute creates a buffer from the value that might get + * read with multiple read calls. When the attribute has been read + * completely, no further read calls are possible until the file is opened + * again. + * + * All attributes contain a text representation of a numeric value + * that are accessed with the get() and set() functions. + */ +#define DEFINE_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt) \ +static int __fops ## _open(struct inode *inode, struct file *file) \ +{ \ + __simple_attr_check_format(__fmt, 0ull); \ + return simple_attr_open(inode, file, __get, __set, __fmt); \ +} \ +static struct file_operations __fops = { \ + .owner = THIS_MODULE, \ + .open = __fops ## _open, \ + .release = simple_attr_close, \ + .read = simple_attr_read, \ + .write = simple_attr_write, \ +}; + +static inline void __attribute__((format(printf, 1, 2))) +__simple_attr_check_format(const char *fmt, ...) +{ + /* don't do anything, just let the compiler check the arguments; */ +} + +int simple_attr_open(struct inode *inode, struct file *file, + u64 (*get)(void *), void (*set)(void *, u64), + const char *fmt); +int simple_attr_close(struct inode *inode, struct file *file); +ssize_t simple_attr_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos); +ssize_t simple_attr_write(struct file *file, const char __user *buf, + size_t len, loff_t *ppos); + + #ifdef CONFIG_SECURITY static inline char *alloc_secdata(void) { diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index faaff4c6455..70f54af87b9 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -51,6 +51,7 @@ struct gianfar_platform_data { /* board specific information */ u32 board_flags; + u32 phy_flags; u32 phyid; u32 interruptPHY; u8 mac_addr[6]; @@ -61,9 +62,14 @@ struct gianfar_platform_data { #define FSL_GIANFAR_DEV_HAS_COALESCE 0x00000002 #define FSL_GIANFAR_DEV_HAS_RMON 0x00000004 #define FSL_GIANFAR_DEV_HAS_MULTI_INTR 0x00000008 +#define FSL_GIANFAR_DEV_HAS_CSUM 0x00000010 +#define FSL_GIANFAR_DEV_HAS_VLAN 0x00000020 +#define FSL_GIANFAR_DEV_HAS_EXTENDED_HASH 0x00000040 +#define FSL_GIANFAR_DEV_HAS_PADDING 0x00000080 /* Flags in gianfar_platform_data */ -#define FSL_GIANFAR_BRD_HAS_PHY_INTR 0x00000001 /* if not set use a timer */ +#define FSL_GIANFAR_BRD_HAS_PHY_INTR 0x00000001 /* set or use a timer */ +#define FSL_GIANFAR_BRD_IS_REDUCED 0x00000002 /* Set if RGMII, RMII */ struct fsl_i2c_platform_data { /* device specific information */ diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h new file mode 100644 index 00000000000..e96a4306ab3 --- /dev/null +++ b/include/linux/fsnotify.h @@ -0,0 +1,253 @@ +#ifndef _LINUX_FS_NOTIFY_H +#define _LINUX_FS_NOTIFY_H + +/* + * include/linux/fsnotify.h - generic hooks for filesystem notification, to + * reduce in-source duplication from both dnotify and inotify. + * + * We don't compile any of this away in some complicated menagerie of ifdefs. + * Instead, we rely on the code inside to optimize away as needed. + * + * (C) Copyright 2005 Robert Love + */ + +#ifdef __KERNEL__ + +#include <linux/dnotify.h> +#include <linux/inotify.h> + +/* + * fsnotify_move - file old_name at old_dir was moved to new_name at new_dir + */ +static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir, + const char *old_name, const char *new_name, + int isdir, struct inode *target) +{ + u32 cookie = inotify_get_cookie(); + + if (old_dir == new_dir) + inode_dir_notify(old_dir, DN_RENAME); + else { + inode_dir_notify(old_dir, DN_DELETE); + inode_dir_notify(new_dir, DN_CREATE); + } + + if (isdir) + isdir = IN_ISDIR; + inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir,cookie,old_name); + inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, cookie, new_name); + + if (target) { + inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL); + inotify_inode_is_dead(target); + } +} + +/* + * fsnotify_unlink - file was unlinked + */ +static inline void fsnotify_unlink(struct dentry *dentry, struct inode *dir) +{ + struct inode *inode = dentry->d_inode; + + inode_dir_notify(dir, DN_DELETE); + inotify_inode_queue_event(dir, IN_DELETE, 0, dentry->d_name.name); + inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL); + + inotify_inode_is_dead(inode); +} + +/* + * fsnotify_rmdir - directory was removed + */ +static inline void fsnotify_rmdir(struct dentry *dentry, struct inode *inode, + struct inode *dir) +{ + inode_dir_notify(dir, DN_DELETE); + inotify_inode_queue_event(dir,IN_DELETE|IN_ISDIR,0,dentry->d_name.name); + inotify_inode_queue_event(inode, IN_DELETE_SELF | IN_ISDIR, 0, NULL); + inotify_inode_is_dead(inode); +} + +/* + * fsnotify_create - 'name' was linked in + */ +static inline void fsnotify_create(struct inode *inode, const char *name) +{ + inode_dir_notify(inode, DN_CREATE); + inotify_inode_queue_event(inode, IN_CREATE, 0, name); +} + +/* + * fsnotify_mkdir - directory 'name' was created + */ +static inline void fsnotify_mkdir(struct inode *inode, const char *name) +{ + inode_dir_notify(inode, DN_CREATE); + inotify_inode_queue_event(inode, IN_CREATE | IN_ISDIR, 0, name); +} + +/* + * fsnotify_access - file was read + */ +static inline void fsnotify_access(struct dentry *dentry) +{ + struct inode *inode = dentry->d_inode; + u32 mask = IN_ACCESS; + + if (S_ISDIR(inode->i_mode)) + mask |= IN_ISDIR; + + dnotify_parent(dentry, DN_ACCESS); + inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name); + inotify_inode_queue_event(inode, mask, 0, NULL); +} + +/* + * fsnotify_modify - file was modified + */ +static inline void fsnotify_modify(struct dentry *dentry) +{ + struct inode *inode = dentry->d_inode; + u32 mask = IN_MODIFY; + + if (S_ISDIR(inode->i_mode)) + mask |= IN_ISDIR; + + dnotify_parent(dentry, DN_MODIFY); + inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name); + inotify_inode_queue_event(inode, mask, 0, NULL); +} + +/* + * fsnotify_open - file was opened + */ +static inline void fsnotify_open(struct dentry *dentry) +{ + struct inode *inode = dentry->d_inode; + u32 mask = IN_OPEN; + + if (S_ISDIR(inode->i_mode)) + mask |= IN_ISDIR; + + inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name); + inotify_inode_queue_event(inode, mask, 0, NULL); +} + +/* + * fsnotify_close - file was closed + */ +static inline void fsnotify_close(struct file *file) +{ + struct dentry *dentry = file->f_dentry; + struct inode *inode = dentry->d_inode; + const char *name = dentry->d_name.name; + mode_t mode = file->f_mode; + u32 mask = (mode & FMODE_WRITE) ? IN_CLOSE_WRITE : IN_CLOSE_NOWRITE; + + if (S_ISDIR(inode->i_mode)) + mask |= IN_ISDIR; + + inotify_dentry_parent_queue_event(dentry, mask, 0, name); + inotify_inode_queue_event(inode, mask, 0, NULL); +} + +/* + * fsnotify_xattr - extended attributes were changed + */ +static inline void fsnotify_xattr(struct dentry *dentry) +{ + struct inode *inode = dentry->d_inode; + u32 mask = IN_ATTRIB; + + if (S_ISDIR(inode->i_mode)) + mask |= IN_ISDIR; + + inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name); + inotify_inode_queue_event(inode, mask, 0, NULL); +} + +/* + * fsnotify_change - notify_change event. file was modified and/or metadata + * was changed. + */ +static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid) +{ + struct inode *inode = dentry->d_inode; + int dn_mask = 0; + u32 in_mask = 0; + + if (ia_valid & ATTR_UID) { + in_mask |= IN_ATTRIB; + dn_mask |= DN_ATTRIB; + } + if (ia_valid & ATTR_GID) { + in_mask |= IN_ATTRIB; + dn_mask |= DN_ATTRIB; + } + if (ia_valid & ATTR_SIZE) { + in_mask |= IN_MODIFY; + dn_mask |= DN_MODIFY; + } + /* both times implies a utime(s) call */ + if ((ia_valid & (ATTR_ATIME | ATTR_MTIME)) == (ATTR_ATIME | ATTR_MTIME)) + { + in_mask |= IN_ATTRIB; + dn_mask |= DN_ATTRIB; + } else if (ia_valid & ATTR_ATIME) { + in_mask |= IN_ACCESS; + dn_mask |= DN_ACCESS; + } else if (ia_valid & ATTR_MTIME) { + in_mask |= IN_MODIFY; + dn_mask |= DN_MODIFY; + } + if (ia_valid & ATTR_MODE) { + in_mask |= IN_ATTRIB; + dn_mask |= DN_ATTRIB; + } + + if (dn_mask) + dnotify_parent(dentry, dn_mask); + if (in_mask) { + if (S_ISDIR(inode->i_mode)) + in_mask |= IN_ISDIR; + inotify_inode_queue_event(inode, in_mask, 0, NULL); + inotify_dentry_parent_queue_event(dentry, in_mask, 0, + dentry->d_name.name); + } +} + +#ifdef CONFIG_INOTIFY /* inotify helpers */ + +/* + * fsnotify_oldname_init - save off the old filename before we change it + */ +static inline const char *fsnotify_oldname_init(const char *name) +{ + return kstrdup(name, GFP_KERNEL); +} + +/* + * fsnotify_oldname_free - free the name we got from fsnotify_oldname_init + */ +static inline void fsnotify_oldname_free(const char *old_name) +{ + kfree(old_name); +} + +#else /* CONFIG_INOTIFY */ + +static inline const char *fsnotify_oldname_init(const char *name) +{ + return NULL; +} + +static inline void fsnotify_oldname_free(const char *old_name) +{ +} + +#endif /* ! CONFIG_INOTIFY */ + +#endif /* __KERNEL__ */ + +#endif /* _LINUX_FS_NOTIFY_H */ diff --git a/include/linux/ftape.h b/include/linux/ftape.h index c6b38d5b918..72faeec9f6e 100644 --- a/include/linux/ftape.h +++ b/include/linux/ftape.h @@ -165,7 +165,7 @@ typedef union { # undef CONFIG_FT_FDC_DMA # define CONFIG_FT_FDC_DMA 2 # endif -#elif CONFIG_FT_ALT_FDC == 1 /* CONFIG_FT_MACH2 */ +#elif defined(CONFIG_FT_ALT_FDC) /* CONFIG_FT_MACH2 */ # if CONFIG_FT_FDC_BASE == 0 # undef CONFIG_FT_FDC_BASE # define CONFIG_FT_FDC_BASE 0x370 diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h new file mode 100644 index 00000000000..7fd0576a445 --- /dev/null +++ b/include/linux/genalloc.h @@ -0,0 +1,40 @@ +/* + * Basic general purpose allocator for managing special purpose memory + * not managed by the regular kmalloc/kfree interface. + * Uses for this includes on-device special memory, uncached memory + * etc. + * + * This code is based on the buddy allocator found in the sym53c8xx_2 + * driver, adapted for general purpose use. + * + * This source code is licensed under the GNU General Public License, + * Version 2. See the file COPYING for more details. + */ + +#include <linux/spinlock.h> + +#define ALLOC_MIN_SHIFT 5 /* 32 bytes minimum */ +/* + * Link between free memory chunks of a given size. + */ +struct gen_pool_link { + struct gen_pool_link *next; +}; + +/* + * Memory pool descriptor. + */ +struct gen_pool { + spinlock_t lock; + unsigned long (*get_new_chunk)(struct gen_pool *); + struct gen_pool *next; + struct gen_pool_link *h; + unsigned long private; + int max_chunk_shift; +}; + +unsigned long gen_pool_alloc(struct gen_pool *poolp, int size); +void gen_pool_free(struct gen_pool *mp, unsigned long ptr, int size); +struct gen_pool *gen_pool_create(int nr_chunks, int max_chunk_shift, + unsigned long (*fp)(struct gen_pool *), + unsigned long data); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 47dedaf971d..01796c41c95 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -224,7 +224,7 @@ static inline void free_disk_stats(struct gendisk *disk) extern void disk_round_stats(struct gendisk *disk); /* drivers/block/genhd.c */ -extern int get_blkdev_list(char *); +extern int get_blkdev_list(char *, int); extern void add_disk(struct gendisk *disk); extern void del_gendisk(struct gendisk *gp); extern void unlink_gendisk(struct gendisk *gp); @@ -403,6 +403,7 @@ extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev); extern void add_partition(struct gendisk *, int, sector_t, sector_t); extern void delete_partition(struct gendisk *, int); +extern struct gendisk *alloc_disk_node(int minors, int node_id); extern struct gendisk *alloc_disk(int minors); extern struct kobject *get_disk(struct gendisk *disk); extern void put_disk(struct gendisk *disk); diff --git a/include/linux/gfp.h b/include/linux/gfp.h index af7407e8cfc..7c7400137e9 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -12,8 +12,8 @@ struct vm_area_struct; * GFP bitmasks.. */ /* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low two bits) */ -#define __GFP_DMA 0x01 -#define __GFP_HIGHMEM 0x02 +#define __GFP_DMA 0x01u +#define __GFP_HIGHMEM 0x02u /* * Action modifiers - doesn't change the zoning @@ -39,6 +39,7 @@ struct vm_area_struct; #define __GFP_COMP 0x4000u /* Add compound page metadata */ #define __GFP_ZERO 0x8000u /* Return zeroed page on success */ #define __GFP_NOMEMALLOC 0x10000u /* Don't use emergency reserves */ +#define __GFP_NORECLAIM 0x20000u /* No realy zone reclaim during allocation */ #define __GFP_BITS_SHIFT 20 /* Room for 20 __GFP_FOO bits */ #define __GFP_BITS_MASK ((1 << __GFP_BITS_SHIFT) - 1) @@ -47,7 +48,7 @@ struct vm_area_struct; #define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| \ __GFP_COLD|__GFP_NOWARN|__GFP_REPEAT| \ __GFP_NOFAIL|__GFP_NORETRY|__GFP_NO_GROW|__GFP_COMP| \ - __GFP_NOMEMALLOC) + __GFP_NOMEMALLOC|__GFP_NORECLAIM) #define GFP_ATOMIC (__GFP_HIGH) #define GFP_NOIO (__GFP_WAIT) @@ -132,5 +133,10 @@ extern void FASTCALL(free_cold_page(struct page *page)); #define free_page(addr) free_pages((addr),0) void page_alloc_init(void); +#ifdef CONFIG_NUMA +void drain_remote_pages(void); +#else +static inline void drain_remote_pages(void) { }; +#endif #endif /* __LINUX_GFP_H */ diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 8336dba1897..5912874ca83 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -2,6 +2,7 @@ #define LINUX_HARDIRQ_H #include <linux/config.h> +#include <linux/preempt.h> #include <linux/smp_lock.h> #include <asm/hardirq.h> #include <asm/system.h> diff --git a/include/linux/hdlc.h b/include/linux/hdlc.h index 503194e62fe..df695e9ae32 100644 --- a/include/linux/hdlc.h +++ b/include/linux/hdlc.h @@ -1,7 +1,7 @@ /* * Generic HDLC support routines for Linux * - * Copyright (C) 1999-2003 Krzysztof Halasa <khc@pm.waw.pl> + * Copyright (C) 1999-2005 Krzysztof Halasa <khc@pm.waw.pl> * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License @@ -41,6 +41,7 @@ #define LMI_NONE 1 /* No LMI, all PVCs are static */ #define LMI_ANSI 2 /* ANSI Annex D */ #define LMI_CCITT 3 /* ITU-T Annex A */ +#define LMI_CISCO 4 /* The "original" LMI, aka Gang of Four */ #define HDLC_MAX_MTU 1500 /* Ethernet 1500 bytes */ #define HDLC_MAX_MRU (HDLC_MAX_MTU + 10 + 14 + 4) /* for ETH+VLAN over FR */ @@ -89,6 +90,7 @@ typedef struct pvc_device_struct { unsigned int deleted: 1; unsigned int fecn: 1; unsigned int becn: 1; + unsigned int bandwidth; /* Cisco LMI reporting only */ }state; }pvc_device; @@ -240,8 +242,8 @@ static __inline__ struct net_device_stats *hdlc_stats(struct net_device *dev) } -static __inline__ unsigned short hdlc_type_trans(struct sk_buff *skb, - struct net_device *dev) +static __inline__ __be16 hdlc_type_trans(struct sk_buff *skb, + struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 2a7e6c65c88..6bece9280eb 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -28,6 +28,7 @@ static inline void *kmap(struct page *page) #define kmap_atomic(page, idx) page_address(page) #define kunmap_atomic(addr, idx) do { } while (0) +#define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) #endif /* CONFIG_HIGHMEM */ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 6af1ae4a821..f529d144281 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -4,6 +4,7 @@ #ifdef CONFIG_HUGETLB_PAGE #include <linux/mempolicy.h> +#include <asm/tlbflush.h> struct ctl_table; @@ -22,12 +23,6 @@ int hugetlb_report_meminfo(char *); int hugetlb_report_node_meminfo(int, char *); int is_hugepage_mem_enough(size_t); unsigned long hugetlb_total_pages(void); -struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address, - int write); -struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address, - pmd_t *pmd, int write); -int is_aligned_hugepage_range(unsigned long addr, unsigned long len); -int pmd_huge(pmd_t pmd); struct page *alloc_huge_page(void); void free_huge_page(struct page *); @@ -35,6 +30,17 @@ extern unsigned long max_huge_pages; extern const unsigned long hugetlb_zero, hugetlb_infinity; extern int sysctl_hugetlb_shm_group; +/* arch callbacks */ + +pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr); +pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr); +struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address, + int write); +struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address, + pmd_t *pmd, int write); +int is_aligned_hugepage_range(unsigned long addr, unsigned long len); +int pmd_huge(pmd_t pmd); + #ifndef ARCH_HAS_HUGEPAGE_ONLY_RANGE #define is_hugepage_only_range(mm, addr, len) 0 #define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) \ @@ -48,6 +54,28 @@ extern int sysctl_hugetlb_shm_group; int prepare_hugepage_range(unsigned long addr, unsigned long len); #endif +#ifndef ARCH_HAS_SETCLEAR_HUGE_PTE +#define set_huge_pte_at(mm, addr, ptep, pte) set_pte_at(mm, addr, ptep, pte) +#define huge_ptep_get_and_clear(mm, addr, ptep) ptep_get_and_clear(mm, addr, ptep) +#else +void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte); +pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep); +#endif + +#ifndef ARCH_HAS_HUGETLB_PREFAULT_HOOK +#define hugetlb_prefault_arch_hook(mm) do { } while (0) +#else +void hugetlb_prefault_arch_hook(struct mm_struct *mm); +#endif + +#ifndef ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE +#define hugetlb_clean_stale_pgtable(pte) BUG() +#else +void hugetlb_clean_stale_pgtable(pte_t *pte); +#endif + #else /* !CONFIG_HUGETLB_PAGE */ static inline int is_vm_hugetlb_page(struct vm_area_struct *vma) diff --git a/include/linux/hwmon-sysfs.h b/include/linux/hwmon-sysfs.h new file mode 100644 index 00000000000..1b5018a965f --- /dev/null +++ b/include/linux/hwmon-sysfs.h @@ -0,0 +1,36 @@ +/* + * hwmon-sysfs.h - hardware monitoring chip driver sysfs defines + * + * Copyright (C) 2005 Yani Ioannou <yani.ioannou@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#ifndef _LINUX_HWMON_SYSFS_H +#define _LINUX_HWMON_SYSFS_H + +struct sensor_device_attribute{ + struct device_attribute dev_attr; + int index; +}; +#define to_sensor_dev_attr(_dev_attr) \ + container_of(_dev_attr, struct sensor_device_attribute, dev_attr) + +#define SENSOR_DEVICE_ATTR(_name,_mode,_show,_store,_index) \ +struct sensor_device_attribute sensor_dev_attr_##_name = { \ + .dev_attr = __ATTR(_name,_mode,_show,_store), \ + .index = _index, \ +} + +#endif /* _LINUX_HWMON_SYSFS_H */ diff --git a/include/linux/i2c-dev.h b/include/linux/i2c-dev.h index d228230ffe5..54169567976 100644 --- a/include/linux/i2c-dev.h +++ b/include/linux/i2c-dev.h @@ -25,6 +25,7 @@ #define _LINUX_I2C_DEV_H #include <linux/types.h> +#include <linux/compiler.h> /* Some IOCTL commands are defined in <linux/i2c.h> */ /* Note: 10-bit addresses are NOT supported! */ diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index 89270ce5147..33f08258f22 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -108,6 +108,7 @@ #define I2C_DRIVERID_TDA7313 62 /* TDA7313 audio processor */ #define I2C_DRIVERID_MAX6900 63 /* MAX6900 real-time clock */ #define I2C_DRIVERID_SAA7114H 64 /* video decoder */ +#define I2C_DRIVERID_DS1374 65 /* DS1374 real time clock */ #define I2C_DRIVERID_EXP0 0xF0 /* experimental use id's */ diff --git a/include/linux/i2c-vid.h b/include/linux/i2c-vid.h index 974835e3530..41d0635e0ba 100644 --- a/include/linux/i2c-vid.h +++ b/include/linux/i2c-vid.h @@ -97,3 +97,15 @@ static inline int vid_from_reg(int val, int vrm) 2050 - (val) * 50); } } + +static inline int vid_to_reg(int val, int vrm) +{ + switch (vrm) { + case 91: /* VRM 9.1 */ + case 90: /* VRM 9.0 */ + return ((val >= 1100) && (val <= 1850) ? + ((18499 - val * 10) / 25 + 5) / 10 : -1); + default: + return -1; + } +} diff --git a/include/linux/i2c.h b/include/linux/i2c.h index ebcd745f4cd..be837b13f29 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -290,11 +290,8 @@ static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data) */ struct i2c_client_address_data { unsigned short *normal_i2c; - unsigned short *normal_i2c_range; unsigned short *probe; - unsigned short *probe_range; unsigned short *ignore; - unsigned short *ignore_range; unsigned short *force; }; @@ -563,24 +560,15 @@ union i2c_smbus_data { #define I2C_CLIENT_INSMOD \ I2C_CLIENT_MODULE_PARM(probe, \ "List of adapter,address pairs to scan additionally"); \ - I2C_CLIENT_MODULE_PARM(probe_range, \ - "List of adapter,start-addr,end-addr triples to scan " \ - "additionally"); \ I2C_CLIENT_MODULE_PARM(ignore, \ "List of adapter,address pairs not to scan"); \ - I2C_CLIENT_MODULE_PARM(ignore_range, \ - "List of adapter,start-addr,end-addr triples not to " \ - "scan"); \ I2C_CLIENT_MODULE_PARM(force, \ "List of adapter,address pairs to boldly assume " \ "to be present"); \ static struct i2c_client_address_data addr_data = { \ .normal_i2c = normal_i2c, \ - .normal_i2c_range = normal_i2c_range, \ .probe = probe, \ - .probe_range = probe_range, \ .ignore = ignore, \ - .ignore_range = ignore_range, \ .force = force, \ } diff --git a/include/linux/i2o-dev.h b/include/linux/i2o-dev.h index ef7f644dd87..36fd18cdad2 100644 --- a/include/linux/i2o-dev.h +++ b/include/linux/i2o-dev.h @@ -24,6 +24,13 @@ #define MAX_I2O_CONTROLLERS 32 //#include <linux/ioctl.h> +#ifndef __KERNEL__ + +typedef unsigned char u8; +typedef unsigned short u16; +typedef unsigned int u32; + +#endif /* __KERNEL__ */ /* * I2O Control IOCTLs and structures @@ -113,6 +120,10 @@ struct i2o_evt_get { int lost; }; +typedef struct i2o_sg_io_hdr { + unsigned int flags; /* see I2O_DPT_SG_IO_FLAGS */ +} i2o_sg_io_hdr_t; + /************************************************************************** * HRT related constants and structures **************************************************************************/ @@ -126,14 +137,6 @@ struct i2o_evt_get { #define I2O_BUS_CARDBUS 7 #define I2O_BUS_UNKNOWN 0x80 -#ifndef __KERNEL__ - -typedef unsigned char u8; -typedef unsigned short u16; -typedef unsigned int u32; - -#endif /* __KERNEL__ */ - typedef struct _i2o_pci_bus { u8 PciFunctionNumber; u8 PciDeviceNumber; @@ -333,7 +336,7 @@ typedef struct _i2o_status_block { #define I2O_CLASS_ATE_PERIPHERAL 0x061 #define I2O_CLASS_FLOPPY_CONTROLLER 0x070 #define I2O_CLASS_FLOPPY_DEVICE 0x071 -#define I2O_CLASS_BUS_ADAPTER_PORT 0x080 +#define I2O_CLASS_BUS_ADAPTER 0x080 #define I2O_CLASS_PEER_TRANSPORT_AGENT 0x090 #define I2O_CLASS_PEER_TRANSPORT 0x091 #define I2O_CLASS_END 0xfff @@ -399,4 +402,26 @@ typedef struct _i2o_status_block { #define ADAPTER_STATE_FAILED 0x10 #define ADAPTER_STATE_FAULTED 0x11 +/* + * Software module types + */ +#define I2O_SOFTWARE_MODULE_IRTOS 0x11 +#define I2O_SOFTWARE_MODULE_IOP_PRIVATE 0x22 +#define I2O_SOFTWARE_MODULE_IOP_CONFIG 0x23 + +/* + * Vendors + */ +#define I2O_VENDOR_DPT 0x001b + +/* + * DPT / Adaptec specific values for i2o_sg_io_hdr flags. + */ +#define I2O_DPT_SG_FLAG_INTERPRET 0x00010000 +#define I2O_DPT_SG_FLAG_PHYSICAL 0x00020000 + +#define I2O_DPT_FLASH_FRAG_SIZE 0x10000 +#define I2O_DPT_FLASH_READ 0x0101 +#define I2O_DPT_FLASH_WRITE 0x0102 + #endif /* _I2O_DEV_H */ diff --git a/include/linux/i2o.h b/include/linux/i2o.h index ea9a3ad4b67..bdc286ec947 100644 --- a/include/linux/i2o.h +++ b/include/linux/i2o.h @@ -119,12 +119,21 @@ struct i2o_driver { }; /* - * Contains all information which are necessary for DMA operations + * Contains DMA mapped address information */ struct i2o_dma { void *virt; dma_addr_t phys; - u32 len; + size_t len; +}; + +/* + * Contains IO mapped address information + */ +struct i2o_io { + void __iomem *virt; + unsigned long phys; + unsigned long len; }; /* @@ -147,28 +156,25 @@ struct i2o_controller { struct pci_dev *pdev; /* PCI device */ - unsigned int short_req:1; /* use small block sizes */ + unsigned int promise:1; /* Promise controller */ + unsigned int adaptec:1; /* DPT / Adaptec controller */ + unsigned int raptor:1; /* split bar */ unsigned int no_quiesce:1; /* dont quiesce before reset */ - unsigned int raptor:1; /* split bar */ - unsigned int promise:1; /* Promise controller */ - -#ifdef CONFIG_MTRR - int mtrr_reg0; - int mtrr_reg1; -#endif + unsigned int short_req:1; /* use small block sizes */ + unsigned int limit_sectors:1; /* limit number of sectors / request */ + unsigned int pae_support:1; /* controller has 64-bit SGL support */ struct list_head devices; /* list of I2O devices */ - - struct notifier_block *event_notifer; /* Events */ - atomic_t users; struct list_head list; /* Controller list */ - void __iomem *post_port; /* Inbout port address */ - void __iomem *reply_port; /* Outbound port address */ - void __iomem *irq_mask; /* Interrupt register address */ + + void __iomem *in_port; /* Inbout port address */ + void __iomem *out_port; /* Outbound port address */ + void __iomem *irq_status; /* Interrupt status register address */ + void __iomem *irq_mask; /* Interrupt mask register address */ /* Dynamic LCT related data */ - struct i2o_dma status; /* status of IOP */ + struct i2o_dma status; /* IOP status block */ struct i2o_dma hrt; /* HW Resource Table */ i2o_lct *lct; /* Logical Config Table */ @@ -176,21 +182,19 @@ struct i2o_controller { struct semaphore lct_lock; /* Lock for LCT updates */ struct i2o_dma status_block; /* IOP status block */ - struct i2o_dma base; /* controller messaging unit */ - struct i2o_dma in_queue; /* inbound message queue Host->IOP */ + struct i2o_io base; /* controller messaging unit */ + struct i2o_io in_queue; /* inbound message queue Host->IOP */ struct i2o_dma out_queue; /* outbound message queue IOP->Host */ - unsigned int battery:1; /* Has a battery backup */ + unsigned int battery:1; /* Has a battery backup */ unsigned int io_alloc:1; /* An I/O resource was allocated */ unsigned int mem_alloc:1; /* A memory resource was allocated */ struct resource io_resource; /* I/O resource allocated to the IOP */ struct resource mem_resource; /* Mem resource allocated to the IOP */ - struct proc_dir_entry *proc_entry; /* /proc dir */ - - struct list_head bus_list; /* list of busses on IOP */ struct device device; + struct class_device classdev; /* I2O controller class */ struct i2o_device *exec; /* Executive */ #if BITS_PER_LONG == 64 spinlock_t context_list_lock; /* lock for context_list */ @@ -241,9 +245,10 @@ struct i2o_sys_tbl { extern struct list_head i2o_controllers; /* Message functions */ -static inline u32 i2o_msg_get(struct i2o_controller *, struct i2o_message __iomem **); -extern u32 i2o_msg_get_wait(struct i2o_controller *, struct i2o_message __iomem **, - int); +static inline u32 i2o_msg_get(struct i2o_controller *, + struct i2o_message __iomem **); +extern u32 i2o_msg_get_wait(struct i2o_controller *, + struct i2o_message __iomem **, int); static inline void i2o_msg_post(struct i2o_controller *, u32); static inline int i2o_msg_post_wait(struct i2o_controller *, u32, unsigned long); @@ -252,15 +257,6 @@ extern int i2o_msg_post_wait_mem(struct i2o_controller *, u32, unsigned long, extern void i2o_msg_nop(struct i2o_controller *, u32); static inline void i2o_flush_reply(struct i2o_controller *, u32); -/* DMA handling functions */ -static inline int i2o_dma_alloc(struct device *, struct i2o_dma *, size_t, - unsigned int); -static inline void i2o_dma_free(struct device *, struct i2o_dma *); -int i2o_dma_realloc(struct device *, struct i2o_dma *, size_t, unsigned int); - -static inline int i2o_dma_map(struct device *, struct i2o_dma *); -static inline void i2o_dma_unmap(struct device *, struct i2o_dma *); - /* IOP functions */ extern int i2o_status_get(struct i2o_controller *); @@ -285,6 +281,16 @@ static inline u32 i2o_ptr_high(void *ptr) { return (u32) ((u64) ptr >> 32); }; + +static inline u32 i2o_dma_low(dma_addr_t dma_addr) +{ + return (u32) (u64) dma_addr; +}; + +static inline u32 i2o_dma_high(dma_addr_t dma_addr) +{ + return (u32) ((u64) dma_addr >> 32); +}; #else static inline u32 i2o_cntxt_list_add(struct i2o_controller *c, void *ptr) { @@ -315,8 +321,246 @@ static inline u32 i2o_ptr_high(void *ptr) { return 0; }; + +static inline u32 i2o_dma_low(dma_addr_t dma_addr) +{ + return (u32) dma_addr; +}; + +static inline u32 i2o_dma_high(dma_addr_t dma_addr) +{ + return 0; +}; #endif +/** + * i2o_sg_tablesize - Calculate the maximum number of elements in a SGL + * @c: I2O controller for which the calculation should be done + * @body_size: maximum body size used for message in 32-bit words. + * + * Return the maximum number of SG elements in a SG list. + */ +static inline u16 i2o_sg_tablesize(struct i2o_controller *c, u16 body_size) +{ + i2o_status_block *sb = c->status_block.virt; + u16 sg_count = + (sb->inbound_frame_size - sizeof(struct i2o_message) / 4) - + body_size; + + if (c->pae_support) { + /* + * for 64-bit a SG attribute element must be added and each + * SG element needs 12 bytes instead of 8. + */ + sg_count -= 2; + sg_count /= 3; + } else + sg_count /= 2; + + if (c->short_req && (sg_count > 8)) + sg_count = 8; + + return sg_count; +}; + +/** + * i2o_dma_map_single - Map pointer to controller and fill in I2O message. + * @c: I2O controller + * @ptr: pointer to the data which should be mapped + * @size: size of data in bytes + * @direction: DMA_TO_DEVICE / DMA_FROM_DEVICE + * @sg_ptr: pointer to the SG list inside the I2O message + * + * This function does all necessary DMA handling and also writes the I2O + * SGL elements into the I2O message. For details on DMA handling see also + * dma_map_single(). The pointer sg_ptr will only be set to the end of the + * SG list if the allocation was successful. + * + * Returns DMA address which must be checked for failures using + * dma_mapping_error(). + */ +static inline dma_addr_t i2o_dma_map_single(struct i2o_controller *c, void *ptr, + size_t size, + enum dma_data_direction direction, + u32 __iomem ** sg_ptr) +{ + u32 sg_flags; + u32 __iomem *mptr = *sg_ptr; + dma_addr_t dma_addr; + + switch (direction) { + case DMA_TO_DEVICE: + sg_flags = 0xd4000000; + break; + case DMA_FROM_DEVICE: + sg_flags = 0xd0000000; + break; + default: + return 0; + } + + dma_addr = dma_map_single(&c->pdev->dev, ptr, size, direction); + if (!dma_mapping_error(dma_addr)) { +#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 + if ((sizeof(dma_addr_t) > 4) && c->pae_support) { + writel(0x7C020002, mptr++); + writel(PAGE_SIZE, mptr++); + } +#endif + + writel(sg_flags | size, mptr++); + writel(i2o_dma_low(dma_addr), mptr++); +#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 + if ((sizeof(dma_addr_t) > 4) && c->pae_support) + writel(i2o_dma_high(dma_addr), mptr++); +#endif + *sg_ptr = mptr; + } + return dma_addr; +}; + +/** + * i2o_dma_map_sg - Map a SG List to controller and fill in I2O message. + * @c: I2O controller + * @sg: SG list to be mapped + * @sg_count: number of elements in the SG list + * @direction: DMA_TO_DEVICE / DMA_FROM_DEVICE + * @sg_ptr: pointer to the SG list inside the I2O message + * + * This function does all necessary DMA handling and also writes the I2O + * SGL elements into the I2O message. For details on DMA handling see also + * dma_map_sg(). The pointer sg_ptr will only be set to the end of the SG + * list if the allocation was successful. + * + * Returns 0 on failure or 1 on success. + */ +static inline int i2o_dma_map_sg(struct i2o_controller *c, + struct scatterlist *sg, int sg_count, + enum dma_data_direction direction, + u32 __iomem ** sg_ptr) +{ + u32 sg_flags; + u32 __iomem *mptr = *sg_ptr; + + switch (direction) { + case DMA_TO_DEVICE: + sg_flags = 0x14000000; + break; + case DMA_FROM_DEVICE: + sg_flags = 0x10000000; + break; + default: + return 0; + } + + sg_count = dma_map_sg(&c->pdev->dev, sg, sg_count, direction); + if (!sg_count) + return 0; + +#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 + if ((sizeof(dma_addr_t) > 4) && c->pae_support) { + writel(0x7C020002, mptr++); + writel(PAGE_SIZE, mptr++); + } +#endif + + while (sg_count-- > 0) { + if (!sg_count) + sg_flags |= 0xC0000000; + writel(sg_flags | sg_dma_len(sg), mptr++); + writel(i2o_dma_low(sg_dma_address(sg)), mptr++); +#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 + if ((sizeof(dma_addr_t) > 4) && c->pae_support) + writel(i2o_dma_high(sg_dma_address(sg)), mptr++); +#endif + sg++; + } + *sg_ptr = mptr; + + return 1; +}; + +/** + * i2o_dma_alloc - Allocate DMA memory + * @dev: struct device pointer to the PCI device of the I2O controller + * @addr: i2o_dma struct which should get the DMA buffer + * @len: length of the new DMA memory + * @gfp_mask: GFP mask + * + * Allocate a coherent DMA memory and write the pointers into addr. + * + * Returns 0 on success or -ENOMEM on failure. + */ +static inline int i2o_dma_alloc(struct device *dev, struct i2o_dma *addr, + size_t len, unsigned int gfp_mask) +{ + struct pci_dev *pdev = to_pci_dev(dev); + int dma_64 = 0; + + if ((sizeof(dma_addr_t) > 4) && (pdev->dma_mask == DMA_64BIT_MASK)) { + dma_64 = 1; + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) + return -ENOMEM; + } + + addr->virt = dma_alloc_coherent(dev, len, &addr->phys, gfp_mask); + + if ((sizeof(dma_addr_t) > 4) && dma_64) + if (pci_set_dma_mask(pdev, DMA_64BIT_MASK)) + printk(KERN_WARNING "i2o: unable to set 64-bit DMA"); + + if (!addr->virt) + return -ENOMEM; + + memset(addr->virt, 0, len); + addr->len = len; + + return 0; +}; + +/** + * i2o_dma_free - Free DMA memory + * @dev: struct device pointer to the PCI device of the I2O controller + * @addr: i2o_dma struct which contains the DMA buffer + * + * Free a coherent DMA memory and set virtual address of addr to NULL. + */ +static inline void i2o_dma_free(struct device *dev, struct i2o_dma *addr) +{ + if (addr->virt) { + if (addr->phys) + dma_free_coherent(dev, addr->len, addr->virt, + addr->phys); + else + kfree(addr->virt); + addr->virt = NULL; + } +}; + +/** + * i2o_dma_realloc - Realloc DMA memory + * @dev: struct device pointer to the PCI device of the I2O controller + * @addr: pointer to a i2o_dma struct DMA buffer + * @len: new length of memory + * @gfp_mask: GFP mask + * + * If there was something allocated in the addr, free it first. If len > 0 + * than try to allocate it and write the addresses back to the addr + * structure. If len == 0 set the virtual address to NULL. + * + * Returns the 0 on success or negative error code on failure. + */ +static inline int i2o_dma_realloc(struct device *dev, struct i2o_dma *addr, + size_t len, unsigned int gfp_mask) +{ + i2o_dma_free(dev, addr); + + if (len) + return i2o_dma_alloc(dev, addr, len, gfp_mask); + + return 0; +}; + /* I2O driver (OSM) functions */ extern int i2o_driver_register(struct i2o_driver *); extern void i2o_driver_unregister(struct i2o_driver *); @@ -385,49 +629,11 @@ extern int i2o_device_claim_release(struct i2o_device *); /* Exec OSM functions */ extern int i2o_exec_lct_get(struct i2o_controller *); -/* device to i2o_device and driver to i2o_driver convertion functions */ +/* device / driver / kobject conversion functions */ #define to_i2o_driver(drv) container_of(drv,struct i2o_driver, driver) #define to_i2o_device(dev) container_of(dev, struct i2o_device, device) - -/* - * Messenger inlines - */ -static inline u32 I2O_POST_READ32(struct i2o_controller *c) -{ - rmb(); - return readl(c->post_port); -}; - -static inline void I2O_POST_WRITE32(struct i2o_controller *c, u32 val) -{ - wmb(); - writel(val, c->post_port); -}; - -static inline u32 I2O_REPLY_READ32(struct i2o_controller *c) -{ - rmb(); - return readl(c->reply_port); -}; - -static inline void I2O_REPLY_WRITE32(struct i2o_controller *c, u32 val) -{ - wmb(); - writel(val, c->reply_port); -}; - -static inline u32 I2O_IRQ_READ32(struct i2o_controller *c) -{ - rmb(); - return readl(c->irq_mask); -}; - -static inline void I2O_IRQ_WRITE32(struct i2o_controller *c, u32 val) -{ - wmb(); - writel(val, c->irq_mask); - wmb(); -}; +#define to_i2o_controller(dev) container_of(dev, struct i2o_controller, device) +#define kobj_to_i2o_device(kobj) to_i2o_device(container_of(kobj, struct device, kobj)) /** * i2o_msg_get - obtain an I2O message from the IOP @@ -443,11 +649,11 @@ static inline void I2O_IRQ_WRITE32(struct i2o_controller *c, u32 val) * available returns I2O_QUEUE_EMPTY and msg is leaved untouched. */ static inline u32 i2o_msg_get(struct i2o_controller *c, - struct i2o_message __iomem **msg) + struct i2o_message __iomem ** msg) { - u32 m; + u32 m = readl(c->in_port); - if ((m = I2O_POST_READ32(c)) != I2O_QUEUE_EMPTY) + if (m != I2O_QUEUE_EMPTY) *msg = c->in_queue.virt + m; return m; @@ -462,7 +668,7 @@ static inline u32 i2o_msg_get(struct i2o_controller *c, */ static inline void i2o_msg_post(struct i2o_controller *c, u32 m) { - I2O_POST_WRITE32(c, m); + writel(m, c->in_port); }; /** @@ -491,12 +697,10 @@ static inline int i2o_msg_post_wait(struct i2o_controller *c, u32 m, * The I2O controller must be informed that the reply message is not needed * anymore. If you forget to flush the reply, the message frame can't be * used by the controller anymore and is therefore lost. - * - * FIXME: is there a timeout after which the controller reuse the message? */ static inline void i2o_flush_reply(struct i2o_controller *c, u32 m) { - I2O_REPLY_WRITE32(c, m); + writel(m, c->out_port); }; /** @@ -530,97 +734,13 @@ static inline struct i2o_message *i2o_msg_out_to_virt(struct i2o_controller *c, * work for receive side messages as they are kmalloc objects * in a different pool. */ -static inline struct i2o_message __iomem *i2o_msg_in_to_virt(struct i2o_controller *c, - u32 m) +static inline struct i2o_message __iomem *i2o_msg_in_to_virt(struct + i2o_controller *c, + u32 m) { return c->in_queue.virt + m; }; -/** - * i2o_dma_alloc - Allocate DMA memory - * @dev: struct device pointer to the PCI device of the I2O controller - * @addr: i2o_dma struct which should get the DMA buffer - * @len: length of the new DMA memory - * @gfp_mask: GFP mask - * - * Allocate a coherent DMA memory and write the pointers into addr. - * - * Returns 0 on success or -ENOMEM on failure. - */ -static inline int i2o_dma_alloc(struct device *dev, struct i2o_dma *addr, - size_t len, unsigned int gfp_mask) -{ - addr->virt = dma_alloc_coherent(dev, len, &addr->phys, gfp_mask); - if (!addr->virt) - return -ENOMEM; - - memset(addr->virt, 0, len); - addr->len = len; - - return 0; -}; - -/** - * i2o_dma_free - Free DMA memory - * @dev: struct device pointer to the PCI device of the I2O controller - * @addr: i2o_dma struct which contains the DMA buffer - * - * Free a coherent DMA memory and set virtual address of addr to NULL. - */ -static inline void i2o_dma_free(struct device *dev, struct i2o_dma *addr) -{ - if (addr->virt) { - if (addr->phys) - dma_free_coherent(dev, addr->len, addr->virt, - addr->phys); - else - kfree(addr->virt); - addr->virt = NULL; - } -}; - -/** - * i2o_dma_map - Map the memory to DMA - * @dev: struct device pointer to the PCI device of the I2O controller - * @addr: i2o_dma struct which should be mapped - * - * Map the memory in addr->virt to coherent DMA memory and write the - * physical address into addr->phys. - * - * Returns 0 on success or -ENOMEM on failure. - */ -static inline int i2o_dma_map(struct device *dev, struct i2o_dma *addr) -{ - if (!addr->virt) - return -EFAULT; - - if (!addr->phys) - addr->phys = dma_map_single(dev, addr->virt, addr->len, - DMA_BIDIRECTIONAL); - if (!addr->phys) - return -ENOMEM; - - return 0; -}; - -/** - * i2o_dma_unmap - Unmap the DMA memory - * @dev: struct device pointer to the PCI device of the I2O controller - * @addr: i2o_dma struct which should be unmapped - * - * Unmap the memory in addr->virt from DMA memory. - */ -static inline void i2o_dma_unmap(struct device *dev, struct i2o_dma *addr) -{ - if (!addr->virt) - return; - - if (addr->phys) { - dma_unmap_single(dev, addr->phys, addr->len, DMA_BIDIRECTIONAL); - addr->phys = 0; - } -}; - /* * Endian handling wrapped into the macro - keeps the core code * cleaner. @@ -773,6 +893,14 @@ extern void i2o_debug_state(struct i2o_controller *c); #define I2O_CMD_SCSI_BUSRESET 0x27 /* + * Bus Adapter Class + */ +#define I2O_CMD_BUS_ADAPTER_RESET 0x85 +#define I2O_CMD_BUS_RESET 0x87 +#define I2O_CMD_BUS_SCAN 0x89 +#define I2O_CMD_BUS_QUIESCE 0x8b + +/* * Random Block Storage Class */ #define I2O_CMD_BLOCK_READ 0x30 @@ -784,7 +912,7 @@ extern void i2o_debug_state(struct i2o_controller *c); #define I2O_CMD_BLOCK_MEJECT 0x43 #define I2O_CMD_BLOCK_POWER 0x70 -#define I2O_PRIVATE_MSG 0xFF +#define I2O_CMD_PRIVATE 0xFF /* Command status values */ @@ -922,7 +1050,7 @@ extern void i2o_debug_state(struct i2o_controller *c); #define I2OVER15 0x0001 #define I2OVER20 0x0002 -/* Default is 1.5, FIXME: Need support for both 1.5 and 2.0 */ +/* Default is 1.5 */ #define I2OVERSION I2OVER15 #define SGL_OFFSET_0 I2OVERSION @@ -933,9 +1061,9 @@ extern void i2o_debug_state(struct i2o_controller *c); #define SGL_OFFSET_8 (0x0080 | I2OVERSION) #define SGL_OFFSET_9 (0x0090 | I2OVERSION) #define SGL_OFFSET_10 (0x00A0 | I2OVERSION) - -#define TRL_OFFSET_5 (0x0050 | I2OVERSION) -#define TRL_OFFSET_6 (0x0060 | I2OVERSION) +#define SGL_OFFSET_11 (0x00B0 | I2OVERSION) +#define SGL_OFFSET_12 (0x00C0 | I2OVERSION) +#define SGL_OFFSET(x) (((x)<<4) | I2OVERSION) /* Transaction Reply Lists (TRL) Control Word structure */ #define TRL_SINGLE_FIXED_LENGTH 0x00 @@ -962,17 +1090,13 @@ extern void i2o_debug_state(struct i2o_controller *c); #define ELEVEN_WORD_MSG_SIZE 0x000B0000 #define I2O_MESSAGE_SIZE(x) ((x)<<16) -/* Special TID Assignments */ - +/* special TID assignments */ #define ADAPTER_TID 0 #define HOST_TID 1 -#define MSG_FRAME_SIZE 128 /* i2o_scsi assumes >= 32 */ -#define REPLY_FRAME_SIZE 17 -#define SG_TABLESIZE 30 -#define NMBR_MSG_FRAMES 128 - -#define MSG_POOL_SIZE (MSG_FRAME_SIZE*NMBR_MSG_FRAMES*sizeof(u32)) +/* outbound queue defines */ +#define I2O_MAX_OUTBOUND_MSG_FRAMES 128 +#define I2O_OUTBOUND_MSG_FRAME_SIZE 128 /* in 32-bit words */ #define I2O_POST_WAIT_OK 0 #define I2O_POST_WAIT_TIMEOUT -ETIMEDOUT @@ -993,11 +1117,10 @@ extern void i2o_debug_state(struct i2o_controller *c); #define I2O_HRT_GET_TRIES 3 #define I2O_LCT_GET_TRIES 3 -/* request queue sizes */ +/* defines for max_sectors and max_phys_segments */ #define I2O_MAX_SECTORS 1024 -#define I2O_MAX_SEGMENTS 128 - -#define I2O_REQ_MEMPOOL_SIZE 32 +#define I2O_MAX_SECTORS_LIMITED 256 +#define I2O_MAX_PHYS_SEGMENTS MAX_PHYS_SEGMENTS #endif /* __KERNEL__ */ #endif /* _I2O_H */ diff --git a/include/linux/ide.h b/include/linux/ide.h index 336d6e509f5..92129078d4f 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -917,7 +917,7 @@ typedef struct hwif_s { unsigned dma; void (*led_act)(void *data, int rw); -} ide_hwif_t; +} ____cacheline_maxaligned_in_smp ide_hwif_t; /* * internal ide interrupt handler type diff --git a/include/linux/if.h b/include/linux/if.h index d73a9d62f20..ce627d9092e 100644 --- a/include/linux/if.h +++ b/include/linux/if.h @@ -33,7 +33,7 @@ #define IFF_LOOPBACK 0x8 /* is a loopback net */ #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */ #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */ -#define IFF_RUNNING 0x40 /* resources allocated */ +#define IFF_RUNNING 0x40 /* interface running and carrier ok */ #define IFF_NOARP 0x80 /* no ARP protocol */ #define IFF_PROMISC 0x100 /* receive all packets */ #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/ diff --git a/include/linux/if_bonding.h b/include/linux/if_bonding.h index 57024ce2c74..84598fa2e9d 100644 --- a/include/linux/if_bonding.h +++ b/include/linux/if_bonding.h @@ -35,6 +35,9 @@ * * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com> * - Code cleanup and style changes + * + * 2005/05/05 - Jason Gabler <jygabler at lbl dot gov> + * - added definitions for various XOR hashing policies */ #ifndef _LINUX_IF_BONDING_H @@ -80,6 +83,10 @@ #define BOND_DEFAULT_MAX_BONDS 1 /* Default maximum number of devices to support */ +/* hashing types */ +#define BOND_XMIT_POLICY_LAYER2 0 /* layer 2 (MAC only), default */ +#define BOND_XMIT_POLICY_LAYER34 1 /* layer 3+4 (IP ^ MAC) */ + typedef struct ifbond { __s32 bond_mode; __s32 num_slaves; diff --git a/include/linux/if_shaper.h b/include/linux/if_shaper.h index 004e6f09a6e..68c896a36a3 100644 --- a/include/linux/if_shaper.h +++ b/include/linux/if_shaper.h @@ -23,7 +23,7 @@ struct shaper __u32 shapeclock; unsigned long recovery; /* Time we can next clock a packet out on an empty queue */ - struct semaphore sem; + spinlock_t lock; struct net_device_stats stats; struct net_device *dev; int (*hard_start_xmit) (struct sk_buff *skb, diff --git a/include/linux/igmp.h b/include/linux/igmp.h index 390e760a96d..0c31ef0b5ba 100644 --- a/include/linux/igmp.h +++ b/include/linux/igmp.h @@ -148,7 +148,6 @@ struct ip_sf_socklist struct ip_mc_socklist { struct ip_mc_socklist *next; - int count; struct ip_mreqn multi; unsigned int sfmode; /* MCAST_{INCLUDE,EXCLUDE} */ struct ip_sf_socklist *sflist; diff --git a/include/linux/in6.h b/include/linux/in6.h index f8256c58284..dcf5720ffcb 100644 --- a/include/linux/in6.h +++ b/include/linux/in6.h @@ -156,7 +156,7 @@ struct in6_flowlabel_req #define IPV6_CHECKSUM 7 #define IPV6_HOPLIMIT 8 #define IPV6_NEXTHOP 9 -#define IPV6_AUTHHDR 10 +#define IPV6_AUTHHDR 10 /* obsolete */ #define IPV6_FLOWINFO 11 #define IPV6_UNICAST_HOPS 16 diff --git a/include/linux/init.h b/include/linux/init.h index 05c83e0521c..59008c3826c 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -229,6 +229,18 @@ void __init parse_early_param(void); #define __devexitdata __exitdata #endif +#ifdef CONFIG_HOTPLUG_CPU +#define __cpuinit +#define __cpuinitdata +#define __cpuexit +#define __cpuexitdata +#else +#define __cpuinit __init +#define __cpuinitdata __initdata +#define __cpuexit __exit +#define __cpuexitdata __exitdata +#endif + /* Functions marked as __devexit may be discarded at kernel link time, depending on config options. Newer versions of binutils detect references from retained sections to discarded sections and flag an error. Pointers to diff --git a/include/linux/init_task.h b/include/linux/init_task.h index a6a8c1a38d5..c727c195a91 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -81,6 +81,7 @@ extern struct group_info init_groups; .mm = NULL, \ .active_mm = &init_mm, \ .run_list = LIST_HEAD_INIT(tsk.run_list), \ + .ioprio = 0, \ .time_slice = HZ, \ .tasks = LIST_HEAD_INIT(tsk.tasks), \ .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children), \ @@ -108,9 +109,9 @@ extern struct group_info init_groups; .blocked = {{0}}, \ .alloc_lock = SPIN_LOCK_UNLOCKED, \ .proc_lock = SPIN_LOCK_UNLOCKED, \ - .switch_lock = SPIN_LOCK_UNLOCKED, \ .journal_info = NULL, \ .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ + .fs_excl = ATOMIC_INIT(0), \ } diff --git a/include/linux/inotify.h b/include/linux/inotify.h new file mode 100644 index 00000000000..a40c2bf0408 --- /dev/null +++ b/include/linux/inotify.h @@ -0,0 +1,108 @@ +/* + * Inode based directory notification for Linux + * + * Copyright (C) 2005 John McCutchan + */ + +#ifndef _LINUX_INOTIFY_H +#define _LINUX_INOTIFY_H + +#include <linux/types.h> + +/* + * struct inotify_event - structure read from the inotify device for each event + * + * When you are watching a directory, you will receive the filename for events + * such as IN_CREATE, IN_DELETE, IN_OPEN, IN_CLOSE, ..., relative to the wd. + */ +struct inotify_event { + __s32 wd; /* watch descriptor */ + __u32 mask; /* watch mask */ + __u32 cookie; /* cookie to synchronize two events */ + __u32 len; /* length (including nulls) of name */ + char name[0]; /* stub for possible name */ +}; + +/* the following are legal, implemented events that user-space can watch for */ +#define IN_ACCESS 0x00000001 /* File was accessed */ +#define IN_MODIFY 0x00000002 /* File was modified */ +#define IN_ATTRIB 0x00000004 /* Metadata changed */ +#define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed */ +#define IN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed */ +#define IN_OPEN 0x00000020 /* File was opened */ +#define IN_MOVED_FROM 0x00000040 /* File was moved from X */ +#define IN_MOVED_TO 0x00000080 /* File was moved to Y */ +#define IN_CREATE 0x00000100 /* Subfile was created */ +#define IN_DELETE 0x00000200 /* Subfile was deleted */ +#define IN_DELETE_SELF 0x00000400 /* Self was deleted */ + +/* the following are legal events. they are sent as needed to any watch */ +#define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted */ +#define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed */ +#define IN_IGNORED 0x00008000 /* File was ignored */ + +/* helper events */ +#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* close */ +#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* moves */ + +/* special flags */ +#define IN_ISDIR 0x40000000 /* event occurred against dir */ +#define IN_ONESHOT 0x80000000 /* only send event once */ + +/* + * All of the events - we build the list by hand so that we can add flags in + * the future and not break backward compatibility. Apps will get only the + * events that they originally wanted. Be sure to add new events here! + */ +#define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \ + IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | \ + IN_MOVED_TO | IN_DELETE | IN_CREATE | IN_DELETE_SELF) + +#ifdef __KERNEL__ + +#include <linux/dcache.h> +#include <linux/fs.h> +#include <linux/config.h> + +#ifdef CONFIG_INOTIFY + +extern void inotify_inode_queue_event(struct inode *, __u32, __u32, + const char *); +extern void inotify_dentry_parent_queue_event(struct dentry *, __u32, __u32, + const char *); +extern void inotify_unmount_inodes(struct list_head *); +extern void inotify_inode_is_dead(struct inode *); +extern u32 inotify_get_cookie(void); + +#else + +static inline void inotify_inode_queue_event(struct inode *inode, + __u32 mask, __u32 cookie, + const char *filename) +{ +} + +static inline void inotify_dentry_parent_queue_event(struct dentry *dentry, + __u32 mask, __u32 cookie, + const char *filename) +{ +} + +static inline void inotify_unmount_inodes(struct list_head *list) +{ +} + +static inline void inotify_inode_is_dead(struct inode *inode) +{ +} + +static inline u32 inotify_get_cookie(void) +{ + return 0; +} + +#endif /* CONFIG_INOTIFY */ + +#endif /* __KERNEL __ */ + +#endif /* _LINUX_INOTIFY_H */ diff --git a/include/linux/input.h b/include/linux/input.h index 72731d7d189..bdc53c6cc96 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -811,9 +811,9 @@ struct input_dev { void *private; - char *name; - char *phys; - char *uniq; + const char *name; + const char *phys; + const char *uniq; struct input_id id; unsigned long evbit[NBITS(EV_MAX)]; @@ -859,6 +859,10 @@ struct input_dev { int (*erase_effect)(struct input_dev *dev, int effect_id); struct input_handle *grab; + + struct semaphore sem; /* serializes open and close operations */ + unsigned int users; + struct device *dev; struct list_head h_list; @@ -1015,7 +1019,7 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min dev->absbit[LONG(axis)] |= BIT(axis); } -extern struct class_simple *input_class; +extern struct class *input_class; #endif #endif diff --git a/include/linux/ioc4.h b/include/linux/ioc4.h new file mode 100644 index 00000000000..3dd18b785eb --- /dev/null +++ b/include/linux/ioc4.h @@ -0,0 +1,179 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved. + */ + +#ifndef _LINUX_IOC4_H +#define _LINUX_IOC4_H + +#include <linux/interrupt.h> + +/*************** + * Definitions * + ***************/ + +/* Miscellaneous values inherent to hardware */ + +#define IOC4_EXTINT_COUNT_DIVISOR 520 /* PCI clocks per COUNT tick */ + +/*********************************** + * Structures needed by subdrivers * + ***********************************/ + +/* This structure fully describes the IOC4 miscellaneous registers which + * appear at bar[0]+0x00000 through bar[0]+0x0005c. The corresponding + * PCI resource is managed by the main IOC4 driver because it contains + * registers of interest to many different IOC4 subdrivers. + */ +struct ioc4_misc_regs { + /* Miscellaneous IOC4 registers */ + union ioc4_pci_err_addr_l { + uint32_t raw; + struct { + uint32_t valid:1; /* Address captured */ + uint32_t master_id:4; /* Unit causing error + * 0/1: Serial port 0 TX/RX + * 2/3: Serial port 1 TX/RX + * 4/5: Serial port 2 TX/RX + * 6/7: Serial port 3 TX/RX + * 8: ATA/ATAPI + * 9-15: Undefined + */ + uint32_t mul_err:1; /* Multiple errors occurred */ + uint32_t addr:26; /* Bits 31-6 of error addr */ + } fields; + } pci_err_addr_l; + uint32_t pci_err_addr_h; /* Bits 63-32 of error addr */ + union ioc4_sio_int { + uint32_t raw; + struct { + uint8_t tx_mt:1; /* TX ring buffer empty */ + uint8_t rx_full:1; /* RX ring buffer full */ + uint8_t rx_high:1; /* RX high-water exceeded */ + uint8_t rx_timer:1; /* RX timer has triggered */ + uint8_t delta_dcd:1; /* DELTA_DCD seen */ + uint8_t delta_cts:1; /* DELTA_CTS seen */ + uint8_t intr_pass:1; /* Interrupt pass-through */ + uint8_t tx_explicit:1; /* TX, MCW, or delay complete */ + } fields[4]; + } sio_ir; /* Serial interrupt state */ + union ioc4_other_int { + uint32_t raw; + struct { + uint32_t ata_int:1; /* ATA port passthru */ + uint32_t ata_memerr:1; /* ATA halted by mem error */ + uint32_t memerr:4; /* Serial halted by mem err */ + uint32_t kbd_int:1; /* kbd/mouse intr asserted */ + uint32_t reserved:16; /* zero */ + uint32_t rt_int:1; /* INT_OUT section latch */ + uint32_t gen_int:8; /* Intr. from generic pins */ + } fields; + } other_ir; /* Other interrupt state */ + union ioc4_sio_int sio_ies; /* Serial interrupt enable set */ + union ioc4_other_int other_ies; /* Other interrupt enable set */ + union ioc4_sio_int sio_iec; /* Serial interrupt enable clear */ + union ioc4_other_int other_iec; /* Other interrupt enable clear */ + union ioc4_sio_cr { + uint32_t raw; + struct { + uint32_t cmd_pulse:4; /* Bytebus strobe width */ + uint32_t arb_diag:3; /* PCI bus requester */ + uint32_t sio_diag_idle:1; /* Active ser req? */ + uint32_t ata_diag_idle:1; /* Active ATA req? */ + uint32_t ata_diag_active:1; /* ATA req is winner */ + uint32_t reserved:22; /* zero */ + } fields; + } sio_cr; + uint32_t unused1; + union ioc4_int_out { + uint32_t raw; + struct { + uint32_t count:16; /* Period control */ + uint32_t mode:3; /* Output signal shape */ + uint32_t reserved:11; /* zero */ + uint32_t diag:1; /* Timebase control */ + uint32_t int_out:1; /* Current value */ + } fields; + } int_out; /* External interrupt output control */ + uint32_t unused2; + union ioc4_gpcr { + uint32_t raw; + struct { + uint32_t dir:8; /* Pin direction */ + uint32_t edge:8; /* Edge/level mode */ + uint32_t reserved1:4; /* zero */ + uint32_t int_out_en:1; /* INT_OUT enable */ + uint32_t reserved2:11; /* zero */ + } fields; + } gpcr_s; /* Generic PIO control set */ + union ioc4_gpcr gpcr_c; /* Generic PIO control clear */ + union ioc4_gpdr { + uint32_t raw; + struct { + uint32_t gen_pin:8; /* State of pins */ + uint32_t reserved:24; + } fields; + } gpdr; /* Generic PIO data */ + uint32_t unused3; + union ioc4_gppr { + uint32_t raw; + struct { + uint32_t gen_pin:1; /* Single pin state */ + uint32_t reserved:31; + } fields; + } gppr[8]; /* Generic PIO pins */ +}; + +/* Masks for GPCR DIR pins */ +#define IOC4_GPCR_DIR_0 0x01 /* External interrupt output */ +#define IOC4_GPCR_DIR_1 0x02 /* External interrupt input */ +#define IOC4_GPCR_DIR_2 0x04 +#define IOC4_GPCR_DIR_3 0x08 /* Keyboard/mouse presence */ +#define IOC4_GPCR_DIR_4 0x10 /* Ser. port 0 xcvr select (0=232, 1=422) */ +#define IOC4_GPCR_DIR_5 0x20 /* Ser. port 1 xcvr select (0=232, 1=422) */ +#define IOC4_GPCR_DIR_6 0x40 /* Ser. port 2 xcvr select (0=232, 1=422) */ +#define IOC4_GPCR_DIR_7 0x80 /* Ser. port 3 xcvr select (0=232, 1=422) */ + +/* Masks for GPCR EDGE pins */ +#define IOC4_GPCR_EDGE_0 0x01 +#define IOC4_GPCR_EDGE_1 0x02 /* External interrupt input */ +#define IOC4_GPCR_EDGE_2 0x04 +#define IOC4_GPCR_EDGE_3 0x08 +#define IOC4_GPCR_EDGE_4 0x10 +#define IOC4_GPCR_EDGE_5 0x20 +#define IOC4_GPCR_EDGE_6 0x40 +#define IOC4_GPCR_EDGE_7 0x80 + +/* One of these per IOC4 */ +struct ioc4_driver_data { + struct list_head idd_list; + unsigned long idd_bar0; + struct pci_dev *idd_pdev; + const struct pci_device_id *idd_pci_id; + struct __iomem ioc4_misc_regs *idd_misc_regs; + unsigned long count_period; + void *idd_serial_data; +}; + +/* One per submodule */ +struct ioc4_submodule { + struct list_head is_list; + char *is_name; + struct module *is_owner; + int (*is_probe) (struct ioc4_driver_data *); + int (*is_remove) (struct ioc4_driver_data *); +}; + +#define IOC4_NUM_CARDS 8 /* max cards per partition */ + +/********************************** + * Functions needed by submodules * + **********************************/ + +extern int ioc4_register_submodule(struct ioc4_submodule *); +extern void ioc4_unregister_submodule(struct ioc4_submodule *); + +#endif /* _LINUX_IOC4_H */ diff --git a/include/linux/ioc4_common.h b/include/linux/ioc4_common.h deleted file mode 100644 index b03bcc46df5..00000000000 --- a/include/linux/ioc4_common.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved. - */ - -#ifndef _LINUX_IOC4_COMMON_H -#define _LINUX_IOC4_COMMON_H - -/* prototypes */ - -int ioc4_serial_init(void); - -int ioc4_serial_attach_one(struct pci_dev *pdev, const struct - pci_device_id *pci_id); -int ioc4_ide_attach_one(struct pci_dev *pdev, const struct - pci_device_id *pci_id); - -#endif /* _LINUX_IOC4_COMMON_H */ diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h new file mode 100644 index 00000000000..88d5961f7a3 --- /dev/null +++ b/include/linux/ioprio.h @@ -0,0 +1,85 @@ +#ifndef IOPRIO_H +#define IOPRIO_H + +#include <linux/sched.h> + +/* + * Gives us 8 prio classes with 13-bits of data for each class + */ +#define IOPRIO_BITS (16) +#define IOPRIO_CLASS_SHIFT (13) +#define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1) + +#define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT) +#define IOPRIO_PRIO_DATA(mask) ((mask) & IOPRIO_PRIO_MASK) +#define IOPRIO_PRIO_VALUE(class, data) (((class) << IOPRIO_CLASS_SHIFT) | data) + +#define ioprio_valid(mask) (IOPRIO_PRIO_CLASS((mask)) != IOPRIO_CLASS_NONE) + +/* + * These are the io priority groups as implemented by CFQ. RT is the realtime + * class, it always gets premium service. BE is the best-effort scheduling + * class, the default for any process. IDLE is the idle scheduling class, it + * is only served when no one else is using the disk. + */ +enum { + IOPRIO_CLASS_NONE, + IOPRIO_CLASS_RT, + IOPRIO_CLASS_BE, + IOPRIO_CLASS_IDLE, +}; + +/* + * 8 best effort priority levels are supported + */ +#define IOPRIO_BE_NR (8) + +enum { + IOPRIO_WHO_PROCESS = 1, + IOPRIO_WHO_PGRP, + IOPRIO_WHO_USER, +}; + +/* + * if process has set io priority explicitly, use that. if not, convert + * the cpu scheduler nice value to an io priority + */ +#define IOPRIO_NORM (4) +static inline int task_ioprio(struct task_struct *task) +{ + WARN_ON(!ioprio_valid(task->ioprio)); + return IOPRIO_PRIO_DATA(task->ioprio); +} + +static inline int task_nice_ioprio(struct task_struct *task) +{ + return (task_nice(task) + 20) / 5; +} + +/* + * For inheritance, return the highest of the two given priorities + */ +static inline int ioprio_best(unsigned short aprio, unsigned short bprio) +{ + unsigned short aclass = IOPRIO_PRIO_CLASS(aprio); + unsigned short bclass = IOPRIO_PRIO_CLASS(bprio); + + if (!ioprio_valid(aprio)) + return bprio; + if (!ioprio_valid(bprio)) + return aprio; + + if (aclass == IOPRIO_CLASS_NONE) + aclass = IOPRIO_CLASS_BE; + if (bclass == IOPRIO_CLASS_NONE) + bclass = IOPRIO_CLASS_BE; + + if (aclass == bclass) + return min(aprio, bprio); + if (aclass > bclass) + return bprio; + else + return aprio; +} + +#endif diff --git a/include/linux/ip.h b/include/linux/ip.h index 8438c68591f..31e7cedd9f8 100644 --- a/include/linux/ip.h +++ b/include/linux/ip.h @@ -81,6 +81,7 @@ #ifdef __KERNEL__ #include <linux/config.h> #include <linux/types.h> +#include <net/request_sock.h> #include <net/sock.h> #include <linux/igmp.h> #include <net/flow.h> @@ -107,6 +108,26 @@ struct ip_options { #define optlength(opt) (sizeof(struct ip_options) + opt->optlen) +struct inet_request_sock { + struct request_sock req; + u32 loc_addr; + u32 rmt_addr; + u16 rmt_port; + u16 snd_wscale : 4, + rcv_wscale : 4, + tstamp_ok : 1, + sack_ok : 1, + wscale_ok : 1, + ecn_ok : 1, + acked : 1; + struct ip_options *opt; +}; + +static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk) +{ + return (struct inet_request_sock *)sk; +} + struct ipv6_pinfo; struct inet_sock { diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h index 2ec265e1045..596ca613015 100644 --- a/include/linux/ipmi.h +++ b/include/linux/ipmi.h @@ -209,6 +209,11 @@ struct kernel_ipmi_msg #include <linux/list.h> #include <linux/module.h> +#ifdef CONFIG_PROC_FS +#include <linux/proc_fs.h> +extern struct proc_dir_entry *proc_ipmi_root; +#endif /* CONFIG_PROC_FS */ + /* Opaque type for a IPMI message user. One of these is needed to send and receive messages. */ typedef struct ipmi_user *ipmi_user_t; diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index ab0d0efbf24..6fcd6a0ade2 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -193,6 +193,19 @@ struct inet6_skb_parm { #define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb)) +struct tcp6_request_sock { + struct tcp_request_sock req; + struct in6_addr loc_addr; + struct in6_addr rmt_addr; + struct sk_buff *pktopts; + int iif; +}; + +static inline struct tcp6_request_sock *tcp6_rsk(const struct request_sock *sk) +{ + return (struct tcp6_request_sock *)sk; +} + /** * struct ipv6_pinfo - ipv6 private area * diff --git a/include/linux/irq.h b/include/linux/irq.h index c3ff4d10166..069d3b84d31 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -47,6 +47,10 @@ struct hw_interrupt_type { void (*ack)(unsigned int irq); void (*end)(unsigned int irq); void (*set_affinity)(unsigned int irq, cpumask_t dest); + /* Currently used only by UML, might disappear one day.*/ +#ifdef CONFIG_IRQ_RELEASE_METHOD + void (*release)(unsigned int irq, void *dev_id); +#endif }; typedef struct hw_interrupt_type hw_irq_controller; @@ -81,10 +85,10 @@ extern int no_irq_affinity; extern int noirqdebug_setup(char *str); extern fastcall int handle_IRQ_event(unsigned int irq, struct pt_regs *regs, - struct irqaction *action); + struct irqaction *action); extern fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs); -extern void note_interrupt(unsigned int irq, irq_desc_t *desc, int action_ret); -extern void report_bad_irq(unsigned int irq, irq_desc_t *desc, int action_ret); +extern void note_interrupt(unsigned int irq, irq_desc_t *desc, + int action_ret, struct pt_regs *regs); extern int can_request_irq(unsigned int irq, unsigned long irqflags); extern void init_irq_proc(void); diff --git a/include/linux/jffs2_fs_sb.h b/include/linux/jffs2_fs_sb.h index 4afc8d8c2e9..1e21546622d 100644 --- a/include/linux/jffs2_fs_sb.h +++ b/include/linux/jffs2_fs_sb.h @@ -1,4 +1,4 @@ -/* $Id: jffs2_fs_sb.h,v 1.48 2004/11/20 10:41:12 dwmw2 Exp $ */ +/* $Id: jffs2_fs_sb.h,v 1.52 2005/05/19 16:12:17 gleixner Exp $ */ #ifndef _JFFS2_FS_SB #define _JFFS2_FS_SB @@ -14,7 +14,8 @@ #include <linux/rwsem.h> #define JFFS2_SB_FLAG_RO 1 -#define JFFS2_SB_FLAG_MOUNTING 2 +#define JFFS2_SB_FLAG_SCANNING 2 /* Flash scanning is in progress */ +#define JFFS2_SB_FLAG_BUILDING 4 /* File system building is in progress */ struct jffs2_inodirty; @@ -31,7 +32,7 @@ struct jffs2_sb_info { unsigned int flags; struct task_struct *gc_task; /* GC task struct */ - struct semaphore gc_thread_start; /* GC thread start mutex */ + struct completion gc_thread_start; /* GC thread start completion */ struct completion gc_thread_exit; /* GC thread exit completion port */ struct semaphore alloc_sem; /* Used to protect all the following @@ -94,7 +95,7 @@ struct jffs2_sb_info { to an obsoleted node. I don't like this. Alternatives welcomed. */ struct semaphore erase_free_sem; -#if defined CONFIG_JFFS2_FS_NAND || defined CONFIG_JFFS2_FS_NOR_ECC +#ifdef CONFIG_JFFS2_FS_WRITEBUFFER /* Write-behind buffer for NAND flash */ unsigned char *wbuf; uint32_t wbuf_ofs; diff --git a/include/linux/joystick.h b/include/linux/joystick.h index b7e0ab622cd..06b9af77eb7 100644 --- a/include/linux/joystick.h +++ b/include/linux/joystick.h @@ -111,18 +111,35 @@ struct js_corr { #define JS_SET_ALL 8 struct JS_DATA_TYPE { - int buttons; - int x; - int y; + __s32 buttons; + __s32 x; + __s32 y; }; -struct JS_DATA_SAVE_TYPE { - int JS_TIMEOUT; - int BUSY; - long JS_EXPIRETIME; - long JS_TIMELIMIT; +struct JS_DATA_SAVE_TYPE_32 { + __s32 JS_TIMEOUT; + __s32 BUSY; + __s32 JS_EXPIRETIME; + __s32 JS_TIMELIMIT; struct JS_DATA_TYPE JS_SAVE; struct JS_DATA_TYPE JS_CORR; }; +struct JS_DATA_SAVE_TYPE_64 { + __s32 JS_TIMEOUT; + __s32 BUSY; + __s64 JS_EXPIRETIME; + __s64 JS_TIMELIMIT; + struct JS_DATA_TYPE JS_SAVE; + struct JS_DATA_TYPE JS_CORR; +}; + +#if BITS_PER_LONG == 64 +#define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_64 +#elif BITS_PER_LONG == 32 +#define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_32 +#else +#error Unexpected BITS_PER_LONG +#endif + #endif /* _LINUX_JOYSTICK_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index e25b97062ce..687ba8c9973 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -58,15 +58,23 @@ struct completion; * be biten later when the calling function happens to sleep when it is not * supposed to. */ +#ifdef CONFIG_PREEMPT_VOLUNTARY +extern int cond_resched(void); +# define might_resched() cond_resched() +#else +# define might_resched() do { } while (0) +#endif + #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP -#define might_sleep() __might_sleep(__FILE__, __LINE__) -#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0) -void __might_sleep(char *file, int line); + void __might_sleep(char *file, int line); +# define might_sleep() \ + do { __might_sleep(__FILE__, __LINE__); might_resched(); } while (0) #else -#define might_sleep() do {} while(0) -#define might_sleep_if(cond) do {} while (0) +# define might_sleep() do { might_resched(); } while (0) #endif +#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0) + #define abs(x) ({ \ int __x = (x); \ (__x < 0) ? -__x : __x; \ diff --git a/include/linux/kexec.h b/include/linux/kexec.h new file mode 100644 index 00000000000..c8468472aec --- /dev/null +++ b/include/linux/kexec.h @@ -0,0 +1,135 @@ +#ifndef LINUX_KEXEC_H +#define LINUX_KEXEC_H + +#ifdef CONFIG_KEXEC +#include <linux/types.h> +#include <linux/list.h> +#include <linux/linkage.h> +#include <linux/compat.h> +#include <asm/kexec.h> + +/* Verify architecture specific macros are defined */ + +#ifndef KEXEC_SOURCE_MEMORY_LIMIT +#error KEXEC_SOURCE_MEMORY_LIMIT not defined +#endif + +#ifndef KEXEC_DESTINATION_MEMORY_LIMIT +#error KEXEC_DESTINATION_MEMORY_LIMIT not defined +#endif + +#ifndef KEXEC_CONTROL_MEMORY_LIMIT +#error KEXEC_CONTROL_MEMORY_LIMIT not defined +#endif + +#ifndef KEXEC_CONTROL_CODE_SIZE +#error KEXEC_CONTROL_CODE_SIZE not defined +#endif + +#ifndef KEXEC_ARCH +#error KEXEC_ARCH not defined +#endif + +/* + * This structure is used to hold the arguments that are used when loading + * kernel binaries. + */ + +typedef unsigned long kimage_entry_t; +#define IND_DESTINATION 0x1 +#define IND_INDIRECTION 0x2 +#define IND_DONE 0x4 +#define IND_SOURCE 0x8 + +#define KEXEC_SEGMENT_MAX 8 +struct kexec_segment { + void __user *buf; + size_t bufsz; + unsigned long mem; /* User space sees this as a (void *) ... */ + size_t memsz; +}; + +#ifdef CONFIG_COMPAT +struct compat_kexec_segment { + compat_uptr_t buf; + compat_size_t bufsz; + compat_ulong_t mem; /* User space sees this as a (void *) ... */ + compat_size_t memsz; +}; +#endif + +struct kimage { + kimage_entry_t head; + kimage_entry_t *entry; + kimage_entry_t *last_entry; + + unsigned long destination; + + unsigned long start; + struct page *control_code_page; + + unsigned long nr_segments; + struct kexec_segment segment[KEXEC_SEGMENT_MAX]; + + struct list_head control_pages; + struct list_head dest_pages; + struct list_head unuseable_pages; + + /* Address of next control page to allocate for crash kernels. */ + unsigned long control_page; + + /* Flags to indicate special processing */ + unsigned int type : 1; +#define KEXEC_TYPE_DEFAULT 0 +#define KEXEC_TYPE_CRASH 1 +}; + + + +/* kexec interface functions */ +extern NORET_TYPE void machine_kexec(struct kimage *image) ATTRIB_NORET; +extern int machine_kexec_prepare(struct kimage *image); +extern void machine_kexec_cleanup(struct kimage *image); +extern asmlinkage long sys_kexec_load(unsigned long entry, + unsigned long nr_segments, + struct kexec_segment __user *segments, + unsigned long flags); +#ifdef CONFIG_COMPAT +extern asmlinkage long compat_sys_kexec_load(unsigned long entry, + unsigned long nr_segments, + struct compat_kexec_segment __user *segments, + unsigned long flags); +#endif +extern struct page *kimage_alloc_control_pages(struct kimage *image, + unsigned int order); +extern void crash_kexec(struct pt_regs *); +int kexec_should_crash(struct task_struct *); +extern struct kimage *kexec_image; + +#define KEXEC_ON_CRASH 0x00000001 +#define KEXEC_ARCH_MASK 0xffff0000 + +/* These values match the ELF architecture values. + * Unless there is a good reason that should continue to be the case. + */ +#define KEXEC_ARCH_DEFAULT ( 0 << 16) +#define KEXEC_ARCH_386 ( 3 << 16) +#define KEXEC_ARCH_X86_64 (62 << 16) +#define KEXEC_ARCH_PPC (20 << 16) +#define KEXEC_ARCH_PPC64 (21 << 16) +#define KEXEC_ARCH_IA_64 (50 << 16) +#define KEXEC_ARCH_S390 (22 << 16) + +#define KEXEC_FLAGS (KEXEC_ON_CRASH) /* List of defined/legal kexec flags */ + +/* Location of a reserved region to hold the crash kernel. + */ +extern struct resource crashk_res; + +#else /* !CONFIG_KEXEC */ +struct pt_regs; +struct task_struct; +static inline void crash_kexec(struct pt_regs *regs) { } +static inline int kexec_should_crash(struct task_struct *p) { return 0; } +#endif /* CONFIG_KEXEC */ +#endif /* LINUX_KEXEC_H */ diff --git a/include/linux/key-ui.h b/include/linux/key-ui.h index 60cc7b762e7..cc326174a80 100644 --- a/include/linux/key-ui.h +++ b/include/linux/key-ui.h @@ -1,4 +1,4 @@ -/* key-ui.h: key userspace interface stuff for use by keyfs +/* key-ui.h: key userspace interface stuff * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) @@ -31,8 +31,10 @@ extern spinlock_t key_serial_lock; * subscribed */ struct keyring_list { - unsigned maxkeys; /* max keys this list can hold */ - unsigned nkeys; /* number of keys currently held */ + struct rcu_head rcu; /* RCU deletion hook */ + unsigned short maxkeys; /* max keys this list can hold */ + unsigned short nkeys; /* number of keys currently held */ + unsigned short delkey; /* key to be unlinked by RCU */ struct key *keys[0]; }; @@ -82,8 +84,45 @@ static inline int key_any_permission(const struct key *key, key_perm_t perm) return kperm != 0; } +static inline int key_task_groups_search(struct task_struct *tsk, gid_t gid) +{ + int ret; + + task_lock(tsk); + ret = groups_search(tsk->group_info, gid); + task_unlock(tsk); + return ret; +} + +static inline int key_task_permission(const struct key *key, + struct task_struct *context, + key_perm_t perm) +{ + key_perm_t kperm; + + if (key->uid == context->fsuid) { + kperm = key->perm >> 16; + } + else if (key->gid != -1 && + key->perm & KEY_GRP_ALL && ( + key->gid == context->fsgid || + key_task_groups_search(context, key->gid) + ) + ) { + kperm = key->perm >> 8; + } + else { + kperm = key->perm; + } + + kperm = kperm & perm & KEY_ALL; + + return kperm == perm; + +} -extern struct key *lookup_user_key(key_serial_t id, int create, int part, +extern struct key *lookup_user_key(struct task_struct *context, + key_serial_t id, int create, int partial, key_perm_t perm); extern long join_session_keyring(const char *name); diff --git a/include/linux/key.h b/include/linux/key.h index 6aa46d0e812..970bbd916cf 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -18,7 +18,7 @@ #include <linux/types.h> #include <linux/list.h> #include <linux/rbtree.h> -#include <linux/spinlock.h> +#include <linux/rcupdate.h> #include <asm/atomic.h> #ifdef __KERNEL__ @@ -78,7 +78,6 @@ struct key { key_serial_t serial; /* key serial number */ struct rb_node serial_node; struct key_type *type; /* type of key */ - rwlock_t lock; /* examination vs change lock */ struct rw_semaphore sem; /* change vs change sem */ struct key_user *user; /* owner of this key */ time_t expiry; /* time at which key expires (or 0) */ @@ -86,14 +85,10 @@ struct key { gid_t gid; key_perm_t perm; /* access permissions */ unsigned short quotalen; /* length added to quota */ - unsigned short datalen; /* payload data length */ - unsigned short flags; /* status flags (change with lock writelocked) */ -#define KEY_FLAG_INSTANTIATED 0x00000001 /* set if key has been instantiated */ -#define KEY_FLAG_DEAD 0x00000002 /* set if key type has been deleted */ -#define KEY_FLAG_REVOKED 0x00000004 /* set if key had been revoked */ -#define KEY_FLAG_IN_QUOTA 0x00000008 /* set if key consumes quota */ -#define KEY_FLAG_USER_CONSTRUCT 0x00000010 /* set if key is being constructed in userspace */ -#define KEY_FLAG_NEGATIVE 0x00000020 /* set if key is negative */ + unsigned short datalen; /* payload data length + * - may not match RCU dereferenced payload + * - payload should contain own length + */ #ifdef KEY_DEBUGGING unsigned magic; @@ -101,6 +96,14 @@ struct key { #define KEY_DEBUG_MAGIC_X 0xf8e9dacbu #endif + unsigned long flags; /* status flags (change with bitops) */ +#define KEY_FLAG_INSTANTIATED 0 /* set if key has been instantiated */ +#define KEY_FLAG_DEAD 1 /* set if key type has been deleted */ +#define KEY_FLAG_REVOKED 2 /* set if key had been revoked */ +#define KEY_FLAG_IN_QUOTA 3 /* set if key consumes quota */ +#define KEY_FLAG_USER_CONSTRUCT 4 /* set if key is being constructed in userspace */ +#define KEY_FLAG_NEGATIVE 5 /* set if key is negative */ + /* the description string * - this is used to match a key against search criteria * - this should be a printable string @@ -196,10 +199,12 @@ extern int key_payload_reserve(struct key *key, size_t datalen); extern int key_instantiate_and_link(struct key *key, const void *data, size_t datalen, - struct key *keyring); + struct key *keyring, + struct key *instkey); extern int key_negate_and_link(struct key *key, unsigned timeout, - struct key *keyring); + struct key *keyring, + struct key *instkey); extern void key_revoke(struct key *key); extern void key_put(struct key *key); @@ -242,14 +247,13 @@ extern struct key *keyring_search(struct key *keyring, struct key_type *type, const char *description); -extern struct key *search_process_keyrings(struct key_type *type, - const char *description); - extern int keyring_add_key(struct key *keyring, struct key *key); extern struct key *key_lookup(key_serial_t id); +extern void keyring_replace_payload(struct key *key, void *replacement); + #define key_serial(key) ((key) ? (key)->serial : 0) /* @@ -268,14 +272,22 @@ extern void key_fsuid_changed(struct task_struct *tsk); extern void key_fsgid_changed(struct task_struct *tsk); extern void key_init(void); +#define __install_session_keyring(tsk, keyring) \ +({ \ + struct key *old_session = tsk->signal->session_keyring; \ + tsk->signal->session_keyring = keyring; \ + old_session; \ +}) + #else /* CONFIG_KEYS */ #define key_validate(k) 0 #define key_serial(k) 0 -#define key_get(k) NULL +#define key_get(k) ({ NULL; }) #define key_put(k) do { } while(0) #define alloc_uid_keyring(u) 0 #define switch_uid_keyring(u) do { } while(0) +#define __install_session_keyring(t, k) ({ NULL; }) #define copy_keys(f,t) 0 #define copy_thread_group_keys(t) 0 #define exit_keys(t) do { } while(0) diff --git a/include/linux/keyctl.h b/include/linux/keyctl.h index 381dedc370a..8d7c59a29e0 100644 --- a/include/linux/keyctl.h +++ b/include/linux/keyctl.h @@ -20,6 +20,16 @@ #define KEY_SPEC_USER_SESSION_KEYRING -5 /* - key ID for UID-session keyring */ #define KEY_SPEC_GROUP_KEYRING -6 /* - key ID for GID-specific keyring */ +/* request-key default keyrings */ +#define KEY_REQKEY_DEFL_NO_CHANGE -1 +#define KEY_REQKEY_DEFL_DEFAULT 0 +#define KEY_REQKEY_DEFL_THREAD_KEYRING 1 +#define KEY_REQKEY_DEFL_PROCESS_KEYRING 2 +#define KEY_REQKEY_DEFL_SESSION_KEYRING 3 +#define KEY_REQKEY_DEFL_USER_KEYRING 4 +#define KEY_REQKEY_DEFL_USER_SESSION_KEYRING 5 +#define KEY_REQKEY_DEFL_GROUP_KEYRING 6 + /* keyctl commands */ #define KEYCTL_GET_KEYRING_ID 0 /* ask for a keyring's ID */ #define KEYCTL_JOIN_SESSION_KEYRING 1 /* join or start named session keyring */ @@ -35,5 +45,6 @@ #define KEYCTL_READ 11 /* read a key or keyring's contents */ #define KEYCTL_INSTANTIATE 12 /* instantiate a partially constructed key */ #define KEYCTL_NEGATE 13 /* negate a partially constructed key */ +#define KEYCTL_SET_REQKEY_KEYRING 14 /* set default request-key keyring */ #endif /* _LINUX_KEYCTL_H */ diff --git a/include/linux/klist.h b/include/linux/klist.h new file mode 100644 index 00000000000..eebf5e5696e --- /dev/null +++ b/include/linux/klist.h @@ -0,0 +1,55 @@ +/* + * klist.h - Some generic list helpers, extending struct list_head a bit. + * + * Implementations are found in lib/klist.c + * + * + * Copyright (C) 2005 Patrick Mochel + * + * This file is rleased under the GPL v2. + */ + +#include <linux/spinlock.h> +#include <linux/completion.h> +#include <linux/kref.h> +#include <linux/list.h> + + +struct klist { + spinlock_t k_lock; + struct list_head k_list; +}; + + +extern void klist_init(struct klist * k); + + +struct klist_node { + struct klist * n_klist; + struct list_head n_node; + struct kref n_ref; + struct completion n_removed; +}; + +extern void klist_add_tail(struct klist * k, struct klist_node * n); +extern void klist_add_head(struct klist * k, struct klist_node * n); + +extern void klist_del(struct klist_node * n); +extern void klist_remove(struct klist_node * n); + +extern int klist_node_attached(struct klist_node * n); + + +struct klist_iter { + struct klist * i_klist; + struct list_head * i_head; + struct klist_node * i_cur; +}; + + +extern void klist_iter_init(struct klist * k, struct klist_iter * i); +extern void klist_iter_init_node(struct klist * k, struct klist_iter * i, + struct klist_node * n); +extern void klist_iter_exit(struct klist_iter * i); +extern struct klist_node * klist_next(struct klist_iter * i); + diff --git a/include/linux/kmod.h b/include/linux/kmod.h index 95d0e4b0814..e4a23154940 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -19,6 +19,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/stddef.h> #include <linux/config.h> #include <linux/errno.h> #include <linux/compiler.h> @@ -34,7 +35,17 @@ static inline int request_module(const char * name, ...) { return -ENOSYS; } #endif #define try_then_request_module(x, mod...) ((x) ?: (request_module(mod), (x))) -extern int call_usermodehelper(char *path, char *argv[], char *envp[], int wait); + +struct key; +extern int call_usermodehelper_keys(char *path, char *argv[], char *envp[], + struct key *session_keyring, int wait); + +static inline int +call_usermodehelper(char *path, char **argv, char **envp, int wait) +{ + return call_usermodehelper_keys(path, argv, envp, NULL, wait); +} + extern void usermodehelper_init(void); #endif /* __LINUX_KMOD_H__ */ diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 765d660d3be..3b22304f12f 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -33,7 +33,7 @@ extern u64 hotplug_seqnum; struct kobject { - char * k_name; + const char * k_name; char name[KOBJ_NAME_LEN]; struct kref kref; struct list_head entry; @@ -46,7 +46,7 @@ struct kobject { extern int kobject_set_name(struct kobject *, const char *, ...) __attribute__((format(printf,2,3))); -static inline char * kobject_name(struct kobject * kobj) +static inline const char * kobject_name(const struct kobject * kobj) { return kobj->k_name; } @@ -57,7 +57,7 @@ extern void kobject_cleanup(struct kobject *); extern int kobject_add(struct kobject *); extern void kobject_del(struct kobject *); -extern int kobject_rename(struct kobject *, char *new_name); +extern int kobject_rename(struct kobject *, const char *new_name); extern int kobject_register(struct kobject *); extern void kobject_unregister(struct kobject *); @@ -94,7 +94,7 @@ struct kobj_type { */ struct kset_hotplug_ops { int (*filter)(struct kset *kset, struct kobject *kobj); - char *(*name)(struct kset *kset, struct kobject *kobj); + const char *(*name)(struct kset *kset, struct kobject *kobj); int (*hotplug)(struct kset *kset, struct kobject *kobj, char **envp, int num_envp, char *buffer, int buffer_size); }; diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 99ddba5a4e0..e050fc2d4c2 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -25,27 +25,45 @@ * Rusty Russell). * 2004-July Suparna Bhattacharya <suparna@in.ibm.com> added jumper probes * interface to access function arguments. + * 2005-May Hien Nguyen <hien@us.ibm.com> and Jim Keniston + * <jkenisto@us.ibm.com> and Prasanna S Panchamukhi + * <prasanna@in.ibm.com> added function-return probes. */ #include <linux/config.h> #include <linux/list.h> #include <linux/notifier.h> #include <linux/smp.h> + #include <asm/kprobes.h> +/* kprobe_status settings */ +#define KPROBE_HIT_ACTIVE 0x00000001 +#define KPROBE_HIT_SS 0x00000002 +#define KPROBE_REENTER 0x00000004 +#define KPROBE_HIT_SSDONE 0x00000008 + struct kprobe; struct pt_regs; +struct kretprobe; +struct kretprobe_instance; typedef int (*kprobe_pre_handler_t) (struct kprobe *, struct pt_regs *); typedef int (*kprobe_break_handler_t) (struct kprobe *, struct pt_regs *); typedef void (*kprobe_post_handler_t) (struct kprobe *, struct pt_regs *, unsigned long flags); typedef int (*kprobe_fault_handler_t) (struct kprobe *, struct pt_regs *, int trapnr); +typedef int (*kretprobe_handler_t) (struct kretprobe_instance *, + struct pt_regs *); + struct kprobe { struct hlist_node hlist; /* list of kprobes for multi-handler support */ struct list_head list; + /*count the number of times this probe was temporarily disarmed */ + unsigned long nmissed; + /* location of the probe point */ kprobe_opcode_t *addr; @@ -85,6 +103,41 @@ struct jprobe { kprobe_opcode_t *entry; /* probe handling code to jump to */ }; +#ifdef ARCH_SUPPORTS_KRETPROBES +extern void arch_prepare_kretprobe(struct kretprobe *rp, struct pt_regs *regs); +#else /* ARCH_SUPPORTS_KRETPROBES */ +static inline void arch_prepare_kretprobe(struct kretprobe *rp, + struct pt_regs *regs) +{ +} +#endif /* ARCH_SUPPORTS_KRETPROBES */ +/* + * Function-return probe - + * Note: + * User needs to provide a handler function, and initialize maxactive. + * maxactive - The maximum number of instances of the probed function that + * can be active concurrently. + * nmissed - tracks the number of times the probed function's return was + * ignored, due to maxactive being too low. + * + */ +struct kretprobe { + struct kprobe kp; + kretprobe_handler_t handler; + int maxactive; + int nmissed; + struct hlist_head free_instances; + struct hlist_head used_instances; +}; + +struct kretprobe_instance { + struct hlist_node uflist; /* either on free list or used list */ + struct hlist_node hlist; + struct kretprobe *rp; + kprobe_opcode_t *ret_addr; + struct task_struct *task; +}; + #ifdef CONFIG_KPROBES /* Locks kprobe: irq must be disabled */ void lock_kprobes(void); @@ -99,11 +152,17 @@ static inline int kprobe_running(void) extern int arch_prepare_kprobe(struct kprobe *p); extern void arch_copy_kprobe(struct kprobe *p); +extern void arch_arm_kprobe(struct kprobe *p); +extern void arch_disarm_kprobe(struct kprobe *p); extern void arch_remove_kprobe(struct kprobe *p); +extern int arch_init_kprobes(void); extern void show_registers(struct pt_regs *regs); +extern kprobe_opcode_t *get_insn_slot(void); +extern void free_insn_slot(kprobe_opcode_t *slot); /* Get the kprobe at this addr (if any). Must have called lock_kprobes */ struct kprobe *get_kprobe(void *addr); +struct hlist_head * kretprobe_inst_table_head(struct task_struct *tsk); int register_kprobe(struct kprobe *p); void unregister_kprobe(struct kprobe *p); @@ -113,7 +172,14 @@ int register_jprobe(struct jprobe *p); void unregister_jprobe(struct jprobe *p); void jprobe_return(void); -#else +int register_kretprobe(struct kretprobe *rp); +void unregister_kretprobe(struct kretprobe *rp); + +struct kretprobe_instance *get_free_rp_inst(struct kretprobe *rp); +void add_rp_inst(struct kretprobe_instance *ri); +void kprobe_flush_task(struct task_struct *tk); +void recycle_rp_inst(struct kretprobe_instance *ri); +#else /* CONFIG_KPROBES */ static inline int kprobe_running(void) { return 0; @@ -135,5 +201,15 @@ static inline void unregister_jprobe(struct jprobe *p) static inline void jprobe_return(void) { } -#endif +static inline int register_kretprobe(struct kretprobe *rp) +{ + return -ENOSYS; +} +static inline void unregister_kretprobe(struct kretprobe *rp) +{ +} +static inline void kprobe_flush_task(struct task_struct *tk) +{ +} +#endif /* CONFIG_KPROBES */ #endif /* _LINUX_KPROBES_H */ diff --git a/include/linux/libata.h b/include/linux/libata.h index b009f801e7c..6cd9ba63563 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -421,6 +421,7 @@ extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg, extern unsigned int ata_dev_classify(struct ata_taskfile *tf); extern void ata_dev_id_string(u16 *id, unsigned char *s, unsigned int ofs, unsigned int len); +extern void ata_dev_config(struct ata_port *ap, unsigned int i); extern void ata_bmdma_setup (struct ata_queued_cmd *qc); extern void ata_bmdma_start (struct ata_queued_cmd *qc); extern void ata_bmdma_stop(struct ata_port *ap); diff --git a/include/linux/libps2.h b/include/linux/libps2.h index 923bdbc6d9e..a710bddda4e 100644 --- a/include/linux/libps2.h +++ b/include/linux/libps2.h @@ -41,6 +41,7 @@ struct ps2dev { void ps2_init(struct ps2dev *ps2dev, struct serio *serio); int ps2_sendbyte(struct ps2dev *ps2dev, unsigned char byte, int timeout); +void ps2_drain(struct ps2dev *ps2dev, int maxbytes, int timeout); int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command); int ps2_schedule_command(struct ps2dev *ps2dev, unsigned char *param, int command); int ps2_handle_ack(struct ps2dev *ps2dev, unsigned char data); diff --git a/include/linux/list.h b/include/linux/list.h index 399b51d1721..aab2db21b01 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -185,7 +185,7 @@ static inline void list_del(struct list_head *entry) * list_for_each_entry_rcu(). * * Note that the caller is not permitted to immediately free - * the newly deleted entry. Instead, either synchronize_kernel() + * the newly deleted entry. Instead, either synchronize_rcu() * or call_rcu() must be used to defer freeing until an RCU * grace period has elapsed. */ diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index 0d9d2257821..16d4e5a08e1 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -72,6 +72,8 @@ struct nlm_lockowner { uint32_t pid; }; +struct nlm_wait; + /* * Memory chunk for NLM client RPC request. */ @@ -81,6 +83,7 @@ struct nlm_rqst { struct nlm_host * a_host; /* host handle */ struct nlm_args a_args; /* arguments */ struct nlm_res a_res; /* result */ + struct nlm_wait * a_block; char a_owner[NLMCLNT_OHSIZE]; }; @@ -142,7 +145,9 @@ extern unsigned long nlmsvc_timeout; * Lockd client functions */ struct nlm_rqst * nlmclnt_alloc_call(void); -int nlmclnt_block(struct nlm_host *, struct file_lock *, u32 *); +int nlmclnt_prepare_block(struct nlm_rqst *req, struct nlm_host *host, struct file_lock *fl); +void nlmclnt_finish_block(struct nlm_rqst *req); +long nlmclnt_block(struct nlm_rqst *req, long timeout); int nlmclnt_cancel(struct nlm_host *, struct file_lock *); u32 nlmclnt_grant(struct nlm_lock *); void nlmclnt_recovery(struct nlm_host *, u32); diff --git a/include/linux/loop.h b/include/linux/loop.h index 8220d9c9da0..53fa5159544 100644 --- a/include/linux/loop.h +++ b/include/linux/loop.h @@ -61,7 +61,7 @@ struct loop_device { struct semaphore lo_sem; struct semaphore lo_ctl_mutex; struct semaphore lo_bh_mutex; - atomic_t lo_pending; + int lo_pending; request_queue_t *lo_queue; }; diff --git a/include/linux/major.h b/include/linux/major.h index 4b62c42b842..e36a46702d9 100644 --- a/include/linux/major.h +++ b/include/linux/major.h @@ -100,6 +100,7 @@ #define I2O_MAJOR 80 /* 80->87 */ #define SHMIQ_MAJOR 85 /* Linux/mips, SGI /dev/shmiq */ +#define SCSI_CHANGER_MAJOR 86 #define IDE6_MAJOR 88 #define IDE7_MAJOR 89 diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h index 8e5a10410a3..9263d2db2d6 100644 --- a/include/linux/mbcache.h +++ b/include/linux/mbcache.h @@ -29,7 +29,7 @@ struct mb_cache_op { struct mb_cache * mb_cache_create(const char *, struct mb_cache_op *, size_t, int, int); -void mb_cache_shrink(struct mb_cache *, struct block_device *); +void mb_cache_shrink(struct block_device *); void mb_cache_destroy(struct mb_cache *); /* Functions on cache entries */ diff --git a/include/linux/mempool.h b/include/linux/mempool.h index 4a36edf1c97..796220ce47c 100644 --- a/include/linux/mempool.h +++ b/include/linux/mempool.h @@ -20,9 +20,14 @@ typedef struct mempool_s { mempool_free_t *free; wait_queue_head_t wait; } mempool_t; -extern mempool_t * mempool_create(int min_nr, mempool_alloc_t *alloc_fn, - mempool_free_t *free_fn, void *pool_data); -extern int mempool_resize(mempool_t *pool, int new_min_nr, unsigned int __nocast gfp_mask); + +extern mempool_t *mempool_create(int min_nr, mempool_alloc_t *alloc_fn, + mempool_free_t *free_fn, void *pool_data); +extern mempool_t *mempool_create_node(int min_nr, mempool_alloc_t *alloc_fn, + mempool_free_t *free_fn, void *pool_data, int nid); + +extern int mempool_resize(mempool_t *pool, int new_min_nr, + unsigned int __nocast gfp_mask); extern void mempool_destroy(mempool_t *pool); extern void * mempool_alloc(mempool_t *pool, unsigned int __nocast gfp_mask); extern void mempool_free(void *element, mempool_t *pool); diff --git a/include/linux/mm.h b/include/linux/mm.h index 17518fe0b31..82d7024f076 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -395,19 +395,81 @@ static inline void put_page(struct page *page) /* * The zone field is never updated after free_area_init_core() * sets it, so none of the operations on it need to be atomic. - * We'll have up to (MAX_NUMNODES * MAX_NR_ZONES) zones total, - * so we use (MAX_NODES_SHIFT + MAX_ZONES_SHIFT) here to get enough bits. */ -#define NODEZONE_SHIFT (sizeof(page_flags_t)*8 - MAX_NODES_SHIFT - MAX_ZONES_SHIFT) -#define NODEZONE(node, zone) ((node << ZONES_SHIFT) | zone) + + +/* + * page->flags layout: + * + * There are three possibilities for how page->flags get + * laid out. The first is for the normal case, without + * sparsemem. The second is for sparsemem when there is + * plenty of space for node and section. The last is when + * we have run out of space and have to fall back to an + * alternate (slower) way of determining the node. + * + * No sparsemem: | NODE | ZONE | ... | FLAGS | + * with space for node: | SECTION | NODE | ZONE | ... | FLAGS | + * no space for node: | SECTION | ZONE | ... | FLAGS | + */ +#ifdef CONFIG_SPARSEMEM +#define SECTIONS_WIDTH SECTIONS_SHIFT +#else +#define SECTIONS_WIDTH 0 +#endif + +#define ZONES_WIDTH ZONES_SHIFT + +#if SECTIONS_WIDTH+ZONES_WIDTH+NODES_SHIFT <= FLAGS_RESERVED +#define NODES_WIDTH NODES_SHIFT +#else +#define NODES_WIDTH 0 +#endif + +/* Page flags: | [SECTION] | [NODE] | ZONE | ... | FLAGS | */ +#define SECTIONS_PGOFF ((sizeof(page_flags_t)*8) - SECTIONS_WIDTH) +#define NODES_PGOFF (SECTIONS_PGOFF - NODES_WIDTH) +#define ZONES_PGOFF (NODES_PGOFF - ZONES_WIDTH) + +/* + * We are going to use the flags for the page to node mapping if its in + * there. This includes the case where there is no node, so it is implicit. + */ +#define FLAGS_HAS_NODE (NODES_WIDTH > 0 || NODES_SHIFT == 0) + +#ifndef PFN_SECTION_SHIFT +#define PFN_SECTION_SHIFT 0 +#endif + +/* + * Define the bit shifts to access each section. For non-existant + * sections we define the shift as 0; that plus a 0 mask ensures + * the compiler will optimise away reference to them. + */ +#define SECTIONS_PGSHIFT (SECTIONS_PGOFF * (SECTIONS_WIDTH != 0)) +#define NODES_PGSHIFT (NODES_PGOFF * (NODES_WIDTH != 0)) +#define ZONES_PGSHIFT (ZONES_PGOFF * (ZONES_WIDTH != 0)) + +/* NODE:ZONE or SECTION:ZONE is used to lookup the zone from a page. */ +#if FLAGS_HAS_NODE +#define ZONETABLE_SHIFT (NODES_SHIFT + ZONES_SHIFT) +#else +#define ZONETABLE_SHIFT (SECTIONS_SHIFT + ZONES_SHIFT) +#endif +#define ZONETABLE_PGSHIFT ZONES_PGSHIFT + +#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED +#error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED +#endif + +#define ZONES_MASK ((1UL << ZONES_WIDTH) - 1) +#define NODES_MASK ((1UL << NODES_WIDTH) - 1) +#define SECTIONS_MASK ((1UL << SECTIONS_WIDTH) - 1) +#define ZONETABLE_MASK ((1UL << ZONETABLE_SHIFT) - 1) static inline unsigned long page_zonenum(struct page *page) { - return (page->flags >> NODEZONE_SHIFT) & (~(~0UL << ZONES_SHIFT)); -} -static inline unsigned long page_to_nid(struct page *page) -{ - return (page->flags >> (NODEZONE_SHIFT + ZONES_SHIFT)); + return (page->flags >> ZONES_PGSHIFT) & ZONES_MASK; } struct zone; @@ -415,13 +477,44 @@ extern struct zone *zone_table[]; static inline struct zone *page_zone(struct page *page) { - return zone_table[page->flags >> NODEZONE_SHIFT]; + return zone_table[(page->flags >> ZONETABLE_PGSHIFT) & + ZONETABLE_MASK]; +} + +static inline unsigned long page_to_nid(struct page *page) +{ + if (FLAGS_HAS_NODE) + return (page->flags >> NODES_PGSHIFT) & NODES_MASK; + else + return page_zone(page)->zone_pgdat->node_id; +} +static inline unsigned long page_to_section(struct page *page) +{ + return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK; +} + +static inline void set_page_zone(struct page *page, unsigned long zone) +{ + page->flags &= ~(ZONES_MASK << ZONES_PGSHIFT); + page->flags |= (zone & ZONES_MASK) << ZONES_PGSHIFT; +} +static inline void set_page_node(struct page *page, unsigned long node) +{ + page->flags &= ~(NODES_MASK << NODES_PGSHIFT); + page->flags |= (node & NODES_MASK) << NODES_PGSHIFT; +} +static inline void set_page_section(struct page *page, unsigned long section) +{ + page->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT); + page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT; } -static inline void set_page_zone(struct page *page, unsigned long nodezone_num) +static inline void set_page_links(struct page *page, unsigned long zone, + unsigned long node, unsigned long pfn) { - page->flags &= ~(~0UL << NODEZONE_SHIFT); - page->flags |= nodezone_num << NODEZONE_SHIFT; + set_page_zone(page, zone); + set_page_node(page, node); + set_page_section(page, pfn_to_section_nr(pfn)); } #ifndef CONFIG_DISCONTIGMEM @@ -532,10 +625,16 @@ static inline int page_mapped(struct page *page) * Used to decide whether a process gets delivered SIGBUS or * just gets major/minor fault counters bumped up. */ -#define VM_FAULT_OOM (-1) -#define VM_FAULT_SIGBUS 0 -#define VM_FAULT_MINOR 1 -#define VM_FAULT_MAJOR 2 +#define VM_FAULT_OOM 0x00 +#define VM_FAULT_SIGBUS 0x01 +#define VM_FAULT_MINOR 0x02 +#define VM_FAULT_MAJOR 0x03 + +/* + * Special case for get_user_pages. + * Must be in a distinct bit from the above VM_FAULT_ flags. + */ +#define VM_FAULT_WRITE 0x10 #define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK) @@ -611,7 +710,13 @@ extern pte_t *FASTCALL(pte_alloc_kernel(struct mm_struct *mm, pmd_t *pmd, unsign extern pte_t *FASTCALL(pte_alloc_map(struct mm_struct *mm, pmd_t *pmd, unsigned long address)); extern int install_page(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, struct page *page, pgprot_t prot); extern int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long pgoff, pgprot_t prot); -extern int handle_mm_fault(struct mm_struct *mm,struct vm_area_struct *vma, unsigned long address, int write_access); +extern int __handle_mm_fault(struct mm_struct *mm,struct vm_area_struct *vma, unsigned long address, int write_access); + +static inline int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, int write_access) +{ + return __handle_mm_fault(mm, vma, address, write_access) & (~VM_FAULT_WRITE); +} + extern int make_pages_present(unsigned long addr, unsigned long end); extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write); void install_arg_page(struct vm_area_struct *, struct page *, unsigned long); @@ -691,6 +796,12 @@ extern void show_mem(void); extern void si_meminfo(struct sysinfo * val); extern void si_meminfo_node(struct sysinfo *val, int nid); +#ifdef CONFIG_NUMA +extern void setup_per_cpu_pageset(void); +#else +static inline void setup_per_cpu_pageset(void) {} +#endif + /* prio_tree.c */ void vma_prio_tree_add(struct vm_area_struct *, struct vm_area_struct *old); void vma_prio_tree_insert(struct vm_area_struct *, struct prio_tree_root *); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index e530c6c092f..6c90461ed99 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -63,6 +63,12 @@ struct per_cpu_pageset { #endif } ____cacheline_aligned_in_smp; +#ifdef CONFIG_NUMA +#define zone_pcp(__z, __cpu) ((__z)->pageset[(__cpu)]) +#else +#define zone_pcp(__z, __cpu) (&(__z)->pageset[(__cpu)]) +#endif + #define ZONE_DMA 0 #define ZONE_NORMAL 1 #define ZONE_HIGHMEM 2 @@ -122,8 +128,11 @@ struct zone { */ unsigned long lowmem_reserve[MAX_NR_ZONES]; +#ifdef CONFIG_NUMA + struct per_cpu_pageset *pageset[NR_CPUS]; +#else struct per_cpu_pageset pageset[NR_CPUS]; - +#endif /* * free areas of different sizes */ @@ -145,6 +154,14 @@ struct zone { int all_unreclaimable; /* All pages pinned */ /* + * Does the allocator try to reclaim pages from the zone as soon + * as it fails a watermark_ok() in __alloc_pages? + */ + int reclaim_pages; + /* A count of how many reclaimers are scanning this zone */ + atomic_t reclaim_in_progress; + + /* * prev_priority holds the scanning priority for this zone. It is * defined as the scanning priority at which we achieved our reclaim * target at the previous try_to_free_pages() or balance_pgdat() @@ -252,7 +269,9 @@ typedef struct pglist_data { struct zone node_zones[MAX_NR_ZONES]; struct zonelist node_zonelists[GFP_ZONETYPES]; int nr_zones; +#ifdef CONFIG_FLAT_NODE_MEM_MAP struct page *node_mem_map; +#endif struct bootmem_data *bdata; unsigned long node_start_pfn; unsigned long node_present_pages; /* total number of physical pages */ @@ -267,6 +286,12 @@ typedef struct pglist_data { #define node_present_pages(nid) (NODE_DATA(nid)->node_present_pages) #define node_spanned_pages(nid) (NODE_DATA(nid)->node_spanned_pages) +#ifdef CONFIG_FLAT_NODE_MEM_MAP +#define pgdat_page_nr(pgdat, pagenr) ((pgdat)->node_mem_map + (pagenr)) +#else +#define pgdat_page_nr(pgdat, pagenr) pfn_to_page((pgdat)->node_start_pfn + (pagenr)) +#endif +#define nid_page_nr(nid, pagenr) pgdat_page_nr(NODE_DATA(nid),(pagenr)) extern struct pglist_data *pgdat_list; @@ -381,9 +406,9 @@ int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int, struct file *, #include <linux/topology.h> /* Returns the number of the current Node. */ -#define numa_node_id() (cpu_to_node(_smp_processor_id())) +#define numa_node_id() (cpu_to_node(raw_smp_processor_id())) -#ifndef CONFIG_DISCONTIGMEM +#ifndef CONFIG_NEED_MULTIPLE_NODES extern struct pglist_data contig_page_data; #define NODE_DATA(nid) (&contig_page_data) @@ -391,36 +416,177 @@ extern struct pglist_data contig_page_data; #define MAX_NODES_SHIFT 1 #define pfn_to_nid(pfn) (0) -#else /* CONFIG_DISCONTIGMEM */ +#else /* CONFIG_NEED_MULTIPLE_NODES */ #include <asm/mmzone.h> +#endif /* !CONFIG_NEED_MULTIPLE_NODES */ + +#ifdef CONFIG_SPARSEMEM +#include <asm/sparsemem.h> +#endif + #if BITS_PER_LONG == 32 || defined(ARCH_HAS_ATOMIC_UNSIGNED) /* * with 32 bit page->flags field, we reserve 8 bits for node/zone info. * there are 3 zones (2 bits) and this leaves 8-2=6 bits for nodes. */ -#define MAX_NODES_SHIFT 6 +#define FLAGS_RESERVED 8 + #elif BITS_PER_LONG == 64 /* * with 64 bit flags field, there's plenty of room. */ -#define MAX_NODES_SHIFT 10 +#define FLAGS_RESERVED 32 + +#else + +#error BITS_PER_LONG not defined + #endif -#endif /* !CONFIG_DISCONTIGMEM */ +#ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID +#define early_pfn_to_nid(nid) (0UL) +#endif + +#define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT) +#define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT) + +#ifdef CONFIG_SPARSEMEM + +/* + * SECTION_SHIFT #bits space required to store a section # + * + * PA_SECTION_SHIFT physical address to/from section number + * PFN_SECTION_SHIFT pfn to/from section number + */ +#define SECTIONS_SHIFT (MAX_PHYSMEM_BITS - SECTION_SIZE_BITS) + +#define PA_SECTION_SHIFT (SECTION_SIZE_BITS) +#define PFN_SECTION_SHIFT (SECTION_SIZE_BITS - PAGE_SHIFT) + +#define NR_MEM_SECTIONS (1UL << SECTIONS_SHIFT) + +#define PAGES_PER_SECTION (1UL << PFN_SECTION_SHIFT) +#define PAGE_SECTION_MASK (~(PAGES_PER_SECTION-1)) + +#if (MAX_ORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS +#error Allocator MAX_ORDER exceeds SECTION_SIZE +#endif + +struct page; +struct mem_section { + /* + * This is, logically, a pointer to an array of struct + * pages. However, it is stored with some other magic. + * (see sparse.c::sparse_init_one_section()) + * + * Making it a UL at least makes someone do a cast + * before using it wrong. + */ + unsigned long section_mem_map; +}; + +extern struct mem_section mem_section[NR_MEM_SECTIONS]; + +static inline struct mem_section *__nr_to_section(unsigned long nr) +{ + return &mem_section[nr]; +} + +/* + * We use the lower bits of the mem_map pointer to store + * a little bit of information. There should be at least + * 3 bits here due to 32-bit alignment. + */ +#define SECTION_MARKED_PRESENT (1UL<<0) +#define SECTION_HAS_MEM_MAP (1UL<<1) +#define SECTION_MAP_LAST_BIT (1UL<<2) +#define SECTION_MAP_MASK (~(SECTION_MAP_LAST_BIT-1)) + +static inline struct page *__section_mem_map_addr(struct mem_section *section) +{ + unsigned long map = section->section_mem_map; + map &= SECTION_MAP_MASK; + return (struct page *)map; +} + +static inline int valid_section(struct mem_section *section) +{ + return (section->section_mem_map & SECTION_MARKED_PRESENT); +} + +static inline int section_has_mem_map(struct mem_section *section) +{ + return (section->section_mem_map & SECTION_HAS_MEM_MAP); +} + +static inline int valid_section_nr(unsigned long nr) +{ + return valid_section(__nr_to_section(nr)); +} -#if NODES_SHIFT > MAX_NODES_SHIFT -#error NODES_SHIFT > MAX_NODES_SHIFT +/* + * Given a kernel address, find the home node of the underlying memory. + */ +#define kvaddr_to_nid(kaddr) pfn_to_nid(__pa(kaddr) >> PAGE_SHIFT) + +static inline struct mem_section *__pfn_to_section(unsigned long pfn) +{ + return __nr_to_section(pfn_to_section_nr(pfn)); +} + +#define pfn_to_page(pfn) \ +({ \ + unsigned long __pfn = (pfn); \ + __section_mem_map_addr(__pfn_to_section(__pfn)) + __pfn; \ +}) +#define page_to_pfn(page) \ +({ \ + page - __section_mem_map_addr(__nr_to_section( \ + page_to_section(page))); \ +}) + +static inline int pfn_valid(unsigned long pfn) +{ + if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS) + return 0; + return valid_section(__nr_to_section(pfn_to_section_nr(pfn))); +} + +/* + * These are _only_ used during initialisation, therefore they + * can use __initdata ... They could have names to indicate + * this restriction. + */ +#ifdef CONFIG_NUMA +#define pfn_to_nid early_pfn_to_nid #endif -/* There are currently 3 zones: DMA, Normal & Highmem, thus we need 2 bits */ -#define MAX_ZONES_SHIFT 2 +#define pfn_to_pgdat(pfn) \ +({ \ + NODE_DATA(pfn_to_nid(pfn)); \ +}) + +#define early_pfn_valid(pfn) pfn_valid(pfn) +void sparse_init(void); +#else +#define sparse_init() do {} while (0) +#endif /* CONFIG_SPARSEMEM */ -#if ZONES_SHIFT > MAX_ZONES_SHIFT -#error ZONES_SHIFT > MAX_ZONES_SHIFT +#ifdef CONFIG_NODES_SPAN_OTHER_NODES +#define early_pfn_in_nid(pfn, nid) (early_pfn_to_nid(pfn) == (nid)) +#else +#define early_pfn_in_nid(pfn, nid) (1) #endif +#ifndef early_pfn_valid +#define early_pfn_valid(pfn) (1) +#endif + +void memory_present(int nid, unsigned long start, unsigned long end); +unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long); + #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _LINUX_MMZONE_H */ diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index d6eb7b2efc0..dce53ac1625 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -174,5 +174,62 @@ struct serio_device_id { __u8 proto; }; +/* + * Struct used for matching a device + */ +struct of_device_id +{ + char name[32]; + char type[32]; + char compatible[128]; + void *data; +}; + + +/* PCMCIA */ + +struct pcmcia_device_id { + __u16 match_flags; + + __u16 manf_id; + __u16 card_id; + + __u8 func_id; + + /* for real multi-function devices */ + __u8 function; + + /* for pseude multi-function devices */ + __u8 device_no; + + __u32 prod_id_hash[4]; + + /* not matched against in kernelspace*/ +#ifdef __KERNEL__ + const char * prod_id[4]; +#else + kernel_ulong_t prod_id[4]; +#endif + + /* not matched against */ + kernel_ulong_t driver_info; +#ifdef __KERNEL__ + char * cisfile; +#else + kernel_ulong_t cisfile; +#endif +}; + +#define PCMCIA_DEV_ID_MATCH_MANF_ID 0x0001 +#define PCMCIA_DEV_ID_MATCH_CARD_ID 0x0002 +#define PCMCIA_DEV_ID_MATCH_FUNC_ID 0x0004 +#define PCMCIA_DEV_ID_MATCH_FUNCTION 0x0008 +#define PCMCIA_DEV_ID_MATCH_PROD_ID1 0x0010 +#define PCMCIA_DEV_ID_MATCH_PROD_ID2 0x0020 +#define PCMCIA_DEV_ID_MATCH_PROD_ID3 0x0040 +#define PCMCIA_DEV_ID_MATCH_PROD_ID4 0x0080 +#define PCMCIA_DEV_ID_MATCH_DEVICE_NO 0x0100 +#define PCMCIA_DEV_ID_MATCH_FAKE_CIS 0x0200 +#define PCMCIA_DEV_ID_MATCH_ANONYMOUS 0x0400 #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/include/linux/module.h b/include/linux/module.h index 0e432a0f4ae..f05372b7fe7 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -51,6 +51,9 @@ struct module_attribute { ssize_t (*show)(struct module_attribute *, struct module *, char *); ssize_t (*store)(struct module_attribute *, struct module *, const char *, size_t count); + void (*setup)(struct module *, const char *); + int (*test)(struct module *); + void (*free)(struct module *); }; struct module_kobject @@ -239,6 +242,8 @@ struct module /* Sysfs stuff. */ struct module_kobject mkobj; struct module_param_attrs *param_attrs; + const char *version; + const char *srcversion; /* Exported symbols */ const struct kernel_symbol *syms; diff --git a/include/linux/mount.h b/include/linux/mount.h index 8b8d3b9beef..f8f39937e30 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -12,6 +12,7 @@ #define _LINUX_MOUNT_H #ifdef __KERNEL__ +#include <linux/types.h> #include <linux/list.h> #include <linux/spinlock.h> #include <asm/atomic.h> @@ -34,7 +35,7 @@ struct vfsmount int mnt_expiry_mark; /* true if marked for expiry */ char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */ struct list_head mnt_list; - struct list_head mnt_fslink; /* link in fs-specific expiry list */ + struct list_head mnt_expire; /* link in fs-specific expiry list */ struct namespace *mnt_namespace; /* containing namespace */ }; @@ -47,7 +48,7 @@ static inline struct vfsmount *mntget(struct vfsmount *mnt) extern void __mntput(struct vfsmount *mnt); -static inline void _mntput(struct vfsmount *mnt) +static inline void mntput_no_expire(struct vfsmount *mnt) { if (mnt) { if (atomic_dec_and_test(&mnt->mnt_count)) @@ -59,7 +60,7 @@ static inline void mntput(struct vfsmount *mnt) { if (mnt) { mnt->mnt_expiry_mark = 0; - _mntput(mnt); + mntput_no_expire(mnt); } } @@ -76,6 +77,7 @@ extern int do_add_mount(struct vfsmount *newmnt, struct nameidata *nd, extern void mark_mounts_for_expiry(struct list_head *mounts); extern spinlock_t vfsmount_lock; +extern dev_t name_to_dev_t(char *name); #endif #endif /* _LINUX_MOUNT_H */ diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index 2ed8c585021..e6b6a1c66bd 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -1,7 +1,7 @@ /* Common Flash Interface structures * See http://support.intel.com/design/flash/technote/index.htm - * $Id: cfi.h,v 1.50 2004/11/20 12:46:51 dwmw2 Exp $ + * $Id: cfi.h,v 1.54 2005/06/06 23:04:36 tpoynor Exp $ */ #ifndef __MTD_CFI_H__ @@ -148,6 +148,14 @@ struct cfi_pri_intelext { uint8_t extra[0]; } __attribute__((packed)); +struct cfi_intelext_otpinfo { + uint32_t ProtRegAddr; + uint16_t FactGroups; + uint8_t FactProtRegSize; + uint16_t UserGroups; + uint8_t UserProtRegSize; +} __attribute__((packed)); + struct cfi_intelext_blockinfo { uint16_t NumIdentBlocks; uint16_t BlockSize; @@ -244,7 +252,7 @@ static inline uint32_t cfi_build_cmd_addr(uint32_t cmd_ofs, int interleave, int * It looks too long to be inline, but in the common case it should almost all * get optimised away. */ -static inline map_word cfi_build_cmd(u_char cmd, struct map_info *map, struct cfi_private *cfi) +static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cfi_private *cfi) { map_word val = { {0} }; int wordwidth, words_per_bus, chip_mode, chips_per_word; @@ -307,6 +315,69 @@ static inline map_word cfi_build_cmd(u_char cmd, struct map_info *map, struct cf } #define CMD(x) cfi_build_cmd((x), map, cfi) + +static inline unsigned char cfi_merge_status(map_word val, struct map_info *map, + struct cfi_private *cfi) +{ + int wordwidth, words_per_bus, chip_mode, chips_per_word; + unsigned long onestat, res = 0; + int i; + + /* We do it this way to give the compiler a fighting chance + of optimising away all the crap for 'bankwidth' larger than + an unsigned long, in the common case where that support is + disabled */ + if (map_bankwidth_is_large(map)) { + wordwidth = sizeof(unsigned long); + words_per_bus = (map_bankwidth(map)) / wordwidth; // i.e. normally 1 + } else { + wordwidth = map_bankwidth(map); + words_per_bus = 1; + } + + chip_mode = map_bankwidth(map) / cfi_interleave(cfi); + chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map); + + onestat = val.x[0]; + /* Or all status words together */ + for (i=1; i < words_per_bus; i++) { + onestat |= val.x[i]; + } + + res = onestat; + switch(chips_per_word) { + default: BUG(); +#if BITS_PER_LONG >= 64 + case 8: + res |= (onestat >> (chip_mode * 32)); +#endif + case 4: + res |= (onestat >> (chip_mode * 16)); + case 2: + res |= (onestat >> (chip_mode * 8)); + case 1: + ; + } + + /* Last, determine what the bit-pattern should be for a single + device, according to chip mode and endianness... */ + switch (chip_mode) { + case 1: + break; + case 2: + res = cfi16_to_cpu(res); + break; + case 4: + res = cfi32_to_cpu(res); + break; + default: BUG(); + } + return res; +} + +#define MERGESTATUS(x) cfi_merge_status((x), map, cfi) + + /* * Sends a CFI command to a bank of flash for the given geometry. * @@ -357,16 +428,6 @@ static inline void cfi_udelay(int us) } } -static inline void cfi_spin_lock(spinlock_t *mutex) -{ - spin_lock_bh(mutex); -} - -static inline void cfi_spin_unlock(spinlock_t *mutex) -{ - spin_unlock_bh(mutex); -} - struct cfi_extquery *cfi_read_pri(struct map_info *map, uint16_t adr, uint16_t size, const char* name); struct cfi_fixup { diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h index c66ba812bf9..675776fa3e2 100644 --- a/include/linux/mtd/flashchip.h +++ b/include/linux/mtd/flashchip.h @@ -6,7 +6,7 @@ * * (C) 2000 Red Hat. GPLd. * - * $Id: flashchip.h,v 1.15 2004/11/05 22:41:06 nico Exp $ + * $Id: flashchip.h,v 1.17 2005/03/14 18:27:15 bjd Exp $ * */ @@ -29,6 +29,7 @@ typedef enum { FL_ERASE_SUSPENDED, FL_WRITING, FL_WRITING_TO_BUFFER, + FL_OTP_WRITE, FL_WRITE_SUSPENDING, FL_WRITE_SUSPENDED, FL_PM_SUSPENDED, @@ -62,8 +63,8 @@ struct flchip { flstate_t state; flstate_t oldstate; - int write_suspended:1; - int erase_suspended:1; + unsigned int write_suspended:1; + unsigned int erase_suspended:1; unsigned long in_progress_block_addr; spinlock_t *mutex; diff --git a/include/linux/mtd/inftl.h b/include/linux/mtd/inftl.h index b52c8cbd235..0268125a627 100644 --- a/include/linux/mtd/inftl.h +++ b/include/linux/mtd/inftl.h @@ -3,7 +3,7 @@ * * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com) * - * $Id: inftl.h,v 1.6 2004/06/30 14:49:00 dbrown Exp $ + * $Id: inftl.h,v 1.7 2005/06/13 13:08:45 sean Exp $ */ #ifndef __MTD_INFTL_H__ @@ -20,7 +20,7 @@ #include <mtd/inftl-user.h> #ifndef INFTL_MAJOR -#define INFTL_MAJOR 94 +#define INFTL_MAJOR 96 #endif #define INFTL_PARTN_BITS 4 diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index f0268b99c90..142963f01d2 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -1,6 +1,6 @@ /* Overhauled routines for dealing with different mmap regions of flash */ -/* $Id: map.h,v 1.46 2005/01/05 17:09:44 dwmw2 Exp $ */ +/* $Id: map.h,v 1.52 2005/05/25 10:29:41 gleixner Exp $ */ #ifndef __LINUX_MTD_MAP_H__ #define __LINUX_MTD_MAP_H__ @@ -263,6 +263,17 @@ static inline map_word map_word_and(struct map_info *map, map_word val1, map_wor return r; } +static inline map_word map_word_clr(struct map_info *map, map_word val1, map_word val2) +{ + map_word r; + int i; + + for (i=0; i<map_words(map); i++) { + r.x[i] = val1.x[i] & ~val2.x[i]; + } + return r; +} + static inline map_word map_word_or(struct map_info *map, map_word val1, map_word val2) { map_word r; @@ -273,6 +284,7 @@ static inline map_word map_word_or(struct map_info *map, map_word val1, map_word } return r; } + #define map_word_andequal(m, a, b, z) map_word_equal(m, z, map_word_and(m, a, b)) static inline int map_word_bitsset(struct map_info *map, map_word val1, map_word val2) @@ -328,16 +340,27 @@ static inline map_word map_word_load_partial(struct map_info *map, map_word orig return orig; } +#if BITS_PER_LONG < 64 +#define MAP_FF_LIMIT 4 +#else +#define MAP_FF_LIMIT 8 +#endif + static inline map_word map_word_ff(struct map_info *map) { map_word r; int i; - - for (i=0; i<map_words(map); i++) { - r.x[i] = ~0UL; + + if (map_bankwidth(map) < MAP_FF_LIMIT) { + int bw = 8 * map_bankwidth(map); + r.x[0] = (1 << bw) - 1; + } else { + for (i=0; i<map_words(map); i++) + r.x[i] = ~0UL; } return r; } + static inline map_word inline_map_read(struct map_info *map, unsigned long ofs) { map_word r; @@ -405,7 +428,7 @@ extern void simple_map_init(struct map_info *); #define simple_map_init(map) BUG_ON(!map_bankwidth_supported((map)->bankwidth)) -#define map_is_linear(map) (1) +#define map_is_linear(map) ({ (void)(map); 1; }) #endif /* !CONFIG_MTD_COMPLEX_MAPPINGS */ diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index b3d134392b3..c50c3f3927d 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -1,5 +1,5 @@ /* - * $Id: mtd.h,v 1.56 2004/08/09 18:46:04 dmarlin Exp $ + * $Id: mtd.h,v 1.59 2005/04/11 10:19:02 gleixner Exp $ * * Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al. * @@ -18,6 +18,7 @@ #include <linux/types.h> #include <linux/module.h> #include <linux/uio.h> +#include <linux/notifier.h> #include <linux/mtd/compatmac.h> #include <mtd/mtd-abi.h> @@ -69,7 +70,6 @@ struct mtd_info { u_int32_t oobblock; // Size of OOB blocks (e.g. 512) u_int32_t oobsize; // Amount of OOB data per block (e.g. 16) - u_int32_t oobavail; // Number of bytes in OOB area available for fs u_int32_t ecctype; u_int32_t eccsize; @@ -80,6 +80,7 @@ struct mtd_info { // oobinfo is a nand_oobinfo structure, which can be set by iotcl (MEMSETOOBINFO) struct nand_oobinfo oobinfo; + u_int32_t oobavail; // Number of bytes in OOB area available for fs /* Data for variable erase regions. If numeraseregions is zero, * it means that the whole device has erasesize as given above. @@ -113,12 +114,12 @@ struct mtd_info { * flash devices. The user data is one time programmable but the * factory data is read only. */ - int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); - + int (*get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len); int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); - - /* This function is not yet implemented */ + int (*get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len); + int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); + int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len); /* kvec-based read/write methods. We need these especially for NAND flash, with its limited number of write cycles per erase. @@ -147,6 +148,8 @@ struct mtd_info { int (*block_isbad) (struct mtd_info *mtd, loff_t ofs); int (*block_markbad) (struct mtd_info *mtd, loff_t ofs); + struct notifier_block reboot_notifier; /* default mode before reboot */ + void *priv; struct module *owner; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 9a19c65abd7..9b5b7621758 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -5,7 +5,7 @@ * Steven J. Hill <sjhill@realitydiluted.com> * Thomas Gleixner <tglx@linutronix.de> * - * $Id: nand.h,v 1.68 2004/11/12 10:40:37 gleixner Exp $ + * $Id: nand.h,v 1.73 2005/05/31 19:39:17 gleixner Exp $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -48,6 +48,10 @@ * 02-08-2004 tglx added option field to nand structure for chip anomalities * 05-25-2004 tglx added bad block table support, ST-MICRO manufacturer id * update of nand_chip structure description + * 01-17-2005 dmarlin added extended commands for AG-AND device and added option + * for BBT_AUTO_REFRESH. + * 01-20-2005 dmarlin added optional pointer to hardware specific callback for + * extra error status checks. */ #ifndef __LINUX_MTD_NAND_H #define __LINUX_MTD_NAND_H @@ -115,6 +119,25 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ #define NAND_CMD_READSTART 0x30 #define NAND_CMD_CACHEDPROG 0x15 +/* Extended commands for AG-AND device */ +/* + * Note: the command for NAND_CMD_DEPLETE1 is really 0x00 but + * there is no way to distinguish that from NAND_CMD_READ0 + * until the remaining sequence of commands has been completed + * so add a high order bit and mask it off in the command. + */ +#define NAND_CMD_DEPLETE1 0x100 +#define NAND_CMD_DEPLETE2 0x38 +#define NAND_CMD_STATUS_MULTI 0x71 +#define NAND_CMD_STATUS_ERROR 0x72 +/* multi-bank error status (banks 0-3) */ +#define NAND_CMD_STATUS_ERROR0 0x73 +#define NAND_CMD_STATUS_ERROR1 0x74 +#define NAND_CMD_STATUS_ERROR2 0x75 +#define NAND_CMD_STATUS_ERROR3 0x76 +#define NAND_CMD_STATUS_RESET 0x7f +#define NAND_CMD_STATUS_CLEAR 0xff + /* Status bits */ #define NAND_STATUS_FAIL 0x01 #define NAND_STATUS_FAIL_N1 0x02 @@ -143,7 +166,7 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ /* * Constants for Hardware ECC -*/ + */ /* Reset Hardware ECC for read */ #define NAND_ECC_READ 0 /* Reset Hardware ECC for write */ @@ -151,6 +174,10 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ /* Enable Hardware ECC before syndrom is read back from flash */ #define NAND_ECC_READSYN 2 +/* Bit mask for flags passed to do_nand_read_ecc */ +#define NAND_GET_DEVICE 0x80 + + /* Option constants for bizarre disfunctionality and real * features */ @@ -170,6 +197,10 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ /* Chip has a array of 4 pages which can be read without * additional ready /busy waits */ #define NAND_4PAGE_ARRAY 0x00000040 +/* Chip requires that BBT is periodically rewritten to prevent + * bits from adjacent blocks from 'leaking' in altering data. + * This happens with the Renesas AG-AND chips, possibly others. */ +#define BBT_AUTO_REFRESH 0x00000080 /* Options valid for Samsung large page devices */ #define NAND_SAMSUNG_LP_OPTIONS \ @@ -192,7 +223,8 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ * This can only work if we have the ecc bytes directly behind the * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */ #define NAND_HWECC_SYNDROME 0x00020000 - +/* This option skips the bbt scan during initialization. */ +#define NAND_SKIP_BBTSCAN 0x00040000 /* Options set by nand scan */ /* Nand scan has allocated oob_buf */ @@ -221,10 +253,13 @@ struct nand_chip; * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices * @lock: protection lock * @active: the mtd device which holds the controller currently + * @wq: wait queue to sleep on if a NAND operation is in progress + * used instead of the per chip wait queue when a hw controller is available */ struct nand_hw_control { spinlock_t lock; struct nand_chip *active; + wait_queue_head_t wq; }; /** @@ -283,6 +318,8 @@ struct nand_hw_control { * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial bad block scan * @controller: [OPTIONAL] a pointer to a hardware controller structure which is shared among multiple independend devices * @priv: [OPTIONAL] pointer to private chip date + * @errstat: [OPTIONAL] hardware specific function to perform additional error status checks + * (determine if errors are correctable) */ struct nand_chip { @@ -338,6 +375,7 @@ struct nand_chip { struct nand_bbt_descr *badblock_pattern; struct nand_hw_control *controller; void *priv; + int (*errstat)(struct mtd_info *mtd, struct nand_chip *this, int state, int status, int page); }; /* @@ -349,6 +387,7 @@ struct nand_chip { #define NAND_MFR_NATIONAL 0x8f #define NAND_MFR_RENESAS 0x07 #define NAND_MFR_STMICRO 0x20 +#define NAND_MFR_HYNIX 0xad /** * struct nand_flash_dev - NAND Flash Device ID Structure @@ -459,6 +498,9 @@ extern int nand_update_bbt (struct mtd_info *mtd, loff_t offs); extern int nand_default_bbt (struct mtd_info *mtd); extern int nand_isbad_bbt (struct mtd_info *mtd, loff_t offs, int allowbbt); extern int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbbt); +extern int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, + size_t * retlen, u_char * buf, u_char * oob_buf, + struct nand_oobinfo *oobsel, int flags); /* * Constants for oob configuration diff --git a/include/linux/mtd/plat-ram.h b/include/linux/mtd/plat-ram.h new file mode 100644 index 00000000000..2332eda07e0 --- /dev/null +++ b/include/linux/mtd/plat-ram.h @@ -0,0 +1,35 @@ +/* linux/include/mtd/plat-ram.h + * + * (c) 2004 Simtec Electronics + * http://www.simtec.co.uk/products/SWLINUX/ + * Ben Dooks <ben@simtec.co.uk> + * + * Generic platform device based RAM map + * + * $Id: plat-ram.h,v 1.2 2005/01/24 00:37:40 bjd Exp $ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __LINUX_MTD_PLATRAM_H +#define __LINUX_MTD_PLATRAM_H __FILE__ + +#define PLATRAM_RO (0) +#define PLATRAM_RW (1) + +struct platdata_mtd_ram { + char *mapname; + char **probes; + struct mtd_partition *partitions; + int nr_partitions; + int bankwidth; + + /* control callbacks */ + + void (*set_rw)(struct device *dev, int to); +}; + +#endif /* __LINUX_MTD_PLATRAM_H */ diff --git a/include/linux/mtd/xip.h b/include/linux/mtd/xip.h index fc071125cbc..7b7deef6b18 100644 --- a/include/linux/mtd/xip.h +++ b/include/linux/mtd/xip.h @@ -58,22 +58,16 @@ * returned value is <= the real elapsed time. * note 2: this should be able to cope with a few seconds without * overflowing. + * + * xip_iprefetch() + * + * Macro to fill instruction prefetch + * e.g. a series of nops: asm volatile (".rep 8; nop; .endr"); */ -#if defined(CONFIG_ARCH_SA1100) || defined(CONFIG_ARCH_PXA) - -#include <asm/hardware.h> -#ifdef CONFIG_ARCH_PXA -#include <asm/arch/pxa-regs.h> -#endif - -#define xip_irqpending() (ICIP & ICMR) - -/* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */ -#define xip_currtime() (OSCR) -#define xip_elapsed_since(x) (signed)((OSCR - (x)) / 4) +#include <asm/mtd-xip.h> -#else +#ifndef xip_irqpending #warning "missing IRQ and timer primitives for XIP MTD support" #warning "some of the XIP MTD support code will be disabled" @@ -85,16 +79,17 @@ #endif +#ifndef xip_iprefetch +#define xip_iprefetch() do { } while (0) +#endif + /* * xip_cpu_idle() is used when waiting for a delay equal or larger than * the system timer tick period. This should put the CPU into idle mode * to save power and to be woken up only when some interrupts are pending. - * As above, this should not rely upon standard kernel code. + * This should not rely upon standard kernel code. */ - -#if defined(CONFIG_CPU_XSCALE) -#define xip_cpu_idle() asm volatile ("mcr p14, 0, %0, c7, c0, 0" :: "r" (1)) -#else +#ifndef xip_cpu_idle #define xip_cpu_idle() do { } while (0) #endif diff --git a/include/linux/namespace.h b/include/linux/namespace.h index 9eca1558d72..0e5a86f13b2 100644 --- a/include/linux/namespace.h +++ b/include/linux/namespace.h @@ -12,13 +12,13 @@ struct namespace { struct rw_semaphore sem; }; -extern void umount_tree(struct vfsmount *); extern int copy_namespace(int, struct task_struct *); extern void __put_namespace(struct namespace *namespace); static inline void put_namespace(struct namespace *namespace) { - if (atomic_dec_and_test(&namespace->count)) + if (atomic_dec_and_lock(&namespace->count, &vfsmount_lock)) + /* releases vfsmount_lock */ __put_namespace(namespace); } diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index ba5d1236aa1..3a0ed7f9e80 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -41,7 +41,7 @@ struct divert_blk; struct vlan_group; struct ethtool_ops; -struct netpoll; +struct netpoll_info; /* source back-compat hooks */ #define SET_ETHTOOL_OPS(netdev,ops) \ ( (netdev)->ethtool_ops = (ops) ) @@ -164,12 +164,6 @@ struct netif_rx_stats unsigned total; unsigned dropped; unsigned time_squeeze; - unsigned throttled; - unsigned fastroute_hit; - unsigned fastroute_success; - unsigned fastroute_defer; - unsigned fastroute_deferred_out; - unsigned fastroute_latency_reduction; unsigned cpu_collision; }; @@ -468,7 +462,7 @@ struct net_device unsigned char *haddr); int (*neigh_setup)(struct net_device *dev, struct neigh_parms *); #ifdef CONFIG_NETPOLL - struct netpoll *np; + struct netpoll_info *npinfo; #endif #ifdef CONFIG_NET_POLL_CONTROLLER void (*poll_controller)(struct net_device *dev); @@ -562,12 +556,9 @@ static inline int unregister_gifconf(unsigned int family) struct softnet_data { - int throttle; - int cng_level; - int avg_blog; + struct net_device *output_queue; struct sk_buff_head input_pkt_queue; struct list_head poll_list; - struct net_device *output_queue; struct sk_buff *completion_queue; struct net_device backlog_dev; /* Sorry. 8) */ @@ -925,10 +916,6 @@ extern int skb_checksum_help(struct sk_buff *skb, int inward); extern void net_enable_timestamp(void); extern void net_disable_timestamp(void); -#ifdef CONFIG_SYSCTL -extern char *net_sysctl_strdup(const char *s); -#endif - #endif /* __KERNEL__ */ #endif /* _LINUX_DEV_H */ diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h index 9e5750079e0..3ebc36afae1 100644 --- a/include/linux/netfilter_ipv4.h +++ b/include/linux/netfilter_ipv4.h @@ -75,12 +75,6 @@ enum nf_ip_hook_priorities { #define SO_ORIGINAL_DST 80 #ifdef __KERNEL__ -#ifdef CONFIG_NETFILTER_DEBUG -void nf_debug_ip_local_deliver(struct sk_buff *skb); -void nf_debug_ip_loopback_xmit(struct sk_buff *newskb); -void nf_debug_ip_finish_output2(struct sk_buff *skb); -#endif /*CONFIG_NETFILTER_DEBUG*/ - extern int ip_route_me_harder(struct sk_buff **pskb); /* Call this before modifying an existing IP packet: ensures it is diff --git a/include/linux/netfilter_ipv4/ip_conntrack.h b/include/linux/netfilter_ipv4/ip_conntrack.h index 3781192ce15..08fe5f7d14a 100644 --- a/include/linux/netfilter_ipv4/ip_conntrack.h +++ b/include/linux/netfilter_ipv4/ip_conntrack.h @@ -197,6 +197,9 @@ struct ip_conntrack_expect /* Timer function; deletes the expectation. */ struct timer_list timeout; + /* Usage count. */ + atomic_t use; + #ifdef CONFIG_IP_NF_NAT_NEEDED /* This is the original per-proto part, used to map the * expected connection the way the recipient expects. */ @@ -236,7 +239,7 @@ ip_conntrack_get(const struct sk_buff *skb, enum ip_conntrack_info *ctinfo) } /* decrement reference count on a conntrack */ -extern inline void ip_conntrack_put(struct ip_conntrack *ct); +extern void ip_conntrack_put(struct ip_conntrack *ct); /* call to create an explicit dependency on ip_conntrack. */ extern void need_ip_conntrack(void); diff --git a/include/linux/netfilter_ipv4/ip_conntrack_core.h b/include/linux/netfilter_ipv4/ip_conntrack_core.h index d84be02cb4f..694aec9b478 100644 --- a/include/linux/netfilter_ipv4/ip_conntrack_core.h +++ b/include/linux/netfilter_ipv4/ip_conntrack_core.h @@ -1,7 +1,6 @@ #ifndef _IP_CONNTRACK_CORE_H #define _IP_CONNTRACK_CORE_H #include <linux/netfilter.h> -#include <linux/netfilter_ipv4/lockhelp.h> /* This header is used to share core functionality between the standalone connection tracking module, and the compatibility layer's use @@ -47,6 +46,6 @@ static inline int ip_conntrack_confirm(struct sk_buff **pskb) extern struct list_head *ip_conntrack_hash; extern struct list_head ip_conntrack_expect_list; -DECLARE_RWLOCK_EXTERN(ip_conntrack_lock); +extern rwlock_t ip_conntrack_lock; #endif /* _IP_CONNTRACK_CORE_H */ diff --git a/include/linux/netfilter_ipv4/ip_conntrack_helper.h b/include/linux/netfilter_ipv4/ip_conntrack_helper.h index b1bbba0a12c..3692daa93de 100644 --- a/include/linux/netfilter_ipv4/ip_conntrack_helper.h +++ b/include/linux/netfilter_ipv4/ip_conntrack_helper.h @@ -30,9 +30,10 @@ extern int ip_conntrack_helper_register(struct ip_conntrack_helper *); extern void ip_conntrack_helper_unregister(struct ip_conntrack_helper *); /* Allocate space for an expectation: this is mandatory before calling - ip_conntrack_expect_related. */ -extern struct ip_conntrack_expect *ip_conntrack_expect_alloc(void); -extern void ip_conntrack_expect_free(struct ip_conntrack_expect *exp); + ip_conntrack_expect_related. You will have to call put afterwards. */ +extern struct ip_conntrack_expect * +ip_conntrack_expect_alloc(struct ip_conntrack *master); +extern void ip_conntrack_expect_put(struct ip_conntrack_expect *exp); /* Add an expected connection: can have more than one per connection */ extern int ip_conntrack_expect_related(struct ip_conntrack_expect *exp); diff --git a/include/linux/netfilter_ipv4/ip_nat.h b/include/linux/netfilter_ipv4/ip_nat.h index 2b72b86176f..e201ec6e990 100644 --- a/include/linux/netfilter_ipv4/ip_nat.h +++ b/include/linux/netfilter_ipv4/ip_nat.h @@ -50,10 +50,9 @@ struct ip_nat_multi_range_compat #ifdef __KERNEL__ #include <linux/list.h> -#include <linux/netfilter_ipv4/lockhelp.h> /* Protects NAT hash tables, and NAT-private part of conntracks. */ -DECLARE_RWLOCK_EXTERN(ip_nat_lock); +extern rwlock_t ip_nat_lock; /* The structure embedded in the conntrack structure. */ struct ip_nat_info diff --git a/include/linux/netfilter_ipv4/ipt_CLUSTERIP.h b/include/linux/netfilter_ipv4/ipt_CLUSTERIP.h index baa83e75715..d9bceedfb3d 100644 --- a/include/linux/netfilter_ipv4/ipt_CLUSTERIP.h +++ b/include/linux/netfilter_ipv4/ipt_CLUSTERIP.h @@ -18,7 +18,6 @@ struct clusterip_config; struct ipt_clusterip_tgt_info { u_int32_t flags; - struct clusterip_config *config; /* only relevant for new ones */ u_int8_t clustermac[6]; @@ -27,6 +26,8 @@ struct ipt_clusterip_tgt_info { u_int16_t local_nodes[CLUSTERIP_MAX_NODES]; enum clusterip_hashmode hash_mode; u_int32_t hash_initval; + + struct clusterip_config *config; }; #endif /*_IPT_CLUSTERIP_H_target*/ diff --git a/include/linux/netfilter_ipv4/listhelp.h b/include/linux/netfilter_ipv4/listhelp.h index f2ae7c5e57b..360429f4873 100644 --- a/include/linux/netfilter_ipv4/listhelp.h +++ b/include/linux/netfilter_ipv4/listhelp.h @@ -2,7 +2,6 @@ #define _LISTHELP_H #include <linux/config.h> #include <linux/list.h> -#include <linux/netfilter_ipv4/lockhelp.h> /* Header to do more comprehensive job than linux/list.h; assume list is first entry in structure. */ diff --git a/include/linux/netfilter_ipv4/lockhelp.h b/include/linux/netfilter_ipv4/lockhelp.h deleted file mode 100644 index a3288633ab4..00000000000 --- a/include/linux/netfilter_ipv4/lockhelp.h +++ /dev/null @@ -1,129 +0,0 @@ -#ifndef _LOCKHELP_H -#define _LOCKHELP_H -#include <linux/config.h> - -#include <linux/spinlock.h> -#include <asm/atomic.h> -#include <linux/interrupt.h> -#include <linux/smp.h> - -/* Header to do help in lock debugging. */ - -#ifdef CONFIG_NETFILTER_DEBUG -struct spinlock_debug -{ - spinlock_t l; - atomic_t locked_by; -}; - -struct rwlock_debug -{ - rwlock_t l; - long read_locked_map; - long write_locked_map; -}; - -#define DECLARE_LOCK(l) \ -struct spinlock_debug l = { SPIN_LOCK_UNLOCKED, ATOMIC_INIT(-1) } -#define DECLARE_LOCK_EXTERN(l) \ -extern struct spinlock_debug l -#define DECLARE_RWLOCK(l) \ -struct rwlock_debug l = { RW_LOCK_UNLOCKED, 0, 0 } -#define DECLARE_RWLOCK_EXTERN(l) \ -extern struct rwlock_debug l - -#define MUST_BE_LOCKED(l) \ -do { if (atomic_read(&(l)->locked_by) != smp_processor_id()) \ - printk("ASSERT %s:%u %s unlocked\n", __FILE__, __LINE__, #l); \ -} while(0) - -#define MUST_BE_UNLOCKED(l) \ -do { if (atomic_read(&(l)->locked_by) == smp_processor_id()) \ - printk("ASSERT %s:%u %s locked\n", __FILE__, __LINE__, #l); \ -} while(0) - -/* Write locked OK as well. */ -#define MUST_BE_READ_LOCKED(l) \ -do { if (!((l)->read_locked_map & (1UL << smp_processor_id())) \ - && !((l)->write_locked_map & (1UL << smp_processor_id()))) \ - printk("ASSERT %s:%u %s not readlocked\n", __FILE__, __LINE__, #l); \ -} while(0) - -#define MUST_BE_WRITE_LOCKED(l) \ -do { if (!((l)->write_locked_map & (1UL << smp_processor_id()))) \ - printk("ASSERT %s:%u %s not writelocked\n", __FILE__, __LINE__, #l); \ -} while(0) - -#define MUST_BE_READ_WRITE_UNLOCKED(l) \ -do { if ((l)->read_locked_map & (1UL << smp_processor_id())) \ - printk("ASSERT %s:%u %s readlocked\n", __FILE__, __LINE__, #l); \ - else if ((l)->write_locked_map & (1UL << smp_processor_id())) \ - printk("ASSERT %s:%u %s writelocked\n", __FILE__, __LINE__, #l); \ -} while(0) - -#define LOCK_BH(lk) \ -do { \ - MUST_BE_UNLOCKED(lk); \ - spin_lock_bh(&(lk)->l); \ - atomic_set(&(lk)->locked_by, smp_processor_id()); \ -} while(0) - -#define UNLOCK_BH(lk) \ -do { \ - MUST_BE_LOCKED(lk); \ - atomic_set(&(lk)->locked_by, -1); \ - spin_unlock_bh(&(lk)->l); \ -} while(0) - -#define READ_LOCK(lk) \ -do { \ - MUST_BE_READ_WRITE_UNLOCKED(lk); \ - read_lock_bh(&(lk)->l); \ - set_bit(smp_processor_id(), &(lk)->read_locked_map); \ -} while(0) - -#define WRITE_LOCK(lk) \ -do { \ - MUST_BE_READ_WRITE_UNLOCKED(lk); \ - write_lock_bh(&(lk)->l); \ - set_bit(smp_processor_id(), &(lk)->write_locked_map); \ -} while(0) - -#define READ_UNLOCK(lk) \ -do { \ - if (!((lk)->read_locked_map & (1UL << smp_processor_id()))) \ - printk("ASSERT: %s:%u %s not readlocked\n", \ - __FILE__, __LINE__, #lk); \ - clear_bit(smp_processor_id(), &(lk)->read_locked_map); \ - read_unlock_bh(&(lk)->l); \ -} while(0) - -#define WRITE_UNLOCK(lk) \ -do { \ - MUST_BE_WRITE_LOCKED(lk); \ - clear_bit(smp_processor_id(), &(lk)->write_locked_map); \ - write_unlock_bh(&(lk)->l); \ -} while(0) - -#else -#define DECLARE_LOCK(l) spinlock_t l = SPIN_LOCK_UNLOCKED -#define DECLARE_LOCK_EXTERN(l) extern spinlock_t l -#define DECLARE_RWLOCK(l) rwlock_t l = RW_LOCK_UNLOCKED -#define DECLARE_RWLOCK_EXTERN(l) extern rwlock_t l - -#define MUST_BE_LOCKED(l) -#define MUST_BE_UNLOCKED(l) -#define MUST_BE_READ_LOCKED(l) -#define MUST_BE_WRITE_LOCKED(l) -#define MUST_BE_READ_WRITE_UNLOCKED(l) - -#define LOCK_BH(l) spin_lock_bh(l) -#define UNLOCK_BH(l) spin_unlock_bh(l) - -#define READ_LOCK(l) read_lock_bh(l) -#define WRITE_LOCK(l) write_lock_bh(l) -#define READ_UNLOCK(l) read_unlock_bh(l) -#define WRITE_UNLOCK(l) write_unlock_bh(l) -#endif /*CONFIG_NETFILTER_DEBUG*/ - -#endif /* _LOCKHELP_H */ diff --git a/include/linux/netlink.h b/include/linux/netlink.h index b2738ac8bc9..70c2a9dc4b2 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -5,7 +5,7 @@ #include <linux/types.h> #define NETLINK_ROUTE 0 /* Routing/device hook */ -#define NETLINK_SKIP 1 /* Reserved for ENskip */ +#define NETLINK_W1 1 /* 1-wire subsystem */ #define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */ #define NETLINK_FIREWALL 3 /* Firewalling hook */ #define NETLINK_TCPDIAG 4 /* TCP socket monitoring */ @@ -14,7 +14,9 @@ #define NETLINK_SELINUX 7 /* SELinux event notifications */ #define NETLINK_ARPD 8 #define NETLINK_AUDIT 9 /* auditing */ +#define NETLINK_FIB_LOOKUP 10 #define NETLINK_ROUTE6 11 /* af_inet6 route comm channel */ +#define NETLINK_NETFILTER 12 /* netfilter subsystem */ #define NETLINK_IP6_FW 13 #define NETLINK_DNRTMSG 14 /* DECnet routing messages */ #define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */ @@ -146,7 +148,7 @@ struct netlink_callback int (*dump)(struct sk_buff * skb, struct netlink_callback *cb); int (*done)(struct netlink_callback *cb); int family; - long args[4]; + long args[5]; }; struct netlink_notify @@ -156,7 +158,7 @@ struct netlink_notify }; static __inline__ struct nlmsghdr * -__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len) +__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags) { struct nlmsghdr *nlh; int size = NLMSG_LENGTH(len); @@ -164,15 +166,32 @@ __nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len) nlh = (struct nlmsghdr*)skb_put(skb, NLMSG_ALIGN(size)); nlh->nlmsg_type = type; nlh->nlmsg_len = size; - nlh->nlmsg_flags = 0; + nlh->nlmsg_flags = flags; nlh->nlmsg_pid = pid; nlh->nlmsg_seq = seq; + memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size); return nlh; } +#define NLMSG_NEW(skb, pid, seq, type, len, flags) \ +({ if (skb_tailroom(skb) < (int)NLMSG_SPACE(len)) \ + goto nlmsg_failure; \ + __nlmsg_put(skb, pid, seq, type, len, flags); }) + #define NLMSG_PUT(skb, pid, seq, type, len) \ -({ if (skb_tailroom(skb) < (int)NLMSG_SPACE(len)) goto nlmsg_failure; \ - __nlmsg_put(skb, pid, seq, type, len); }) + NLMSG_NEW(skb, pid, seq, type, len, 0) + +#define NLMSG_NEW_ANSWER(skb, cb, type, len, flags) \ + NLMSG_NEW(skb, NETLINK_CB((cb)->skb).pid, \ + (cb)->nlh->nlmsg_seq, type, len, flags) + +#define NLMSG_END(skb, nlh) \ +({ (nlh)->nlmsg_len = (skb)->tail - (unsigned char *) (nlh); \ + (skb)->len; }) + +#define NLMSG_CANCEL(skb, nlh) \ +({ skb_trim(skb, (unsigned char *) (nlh) - (skb)->data); \ + -1; }) extern int netlink_dump_start(struct sock *ssk, struct sk_buff *skb, struct nlmsghdr *nlh, diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h index c0d8b90c520..bcd0ac33f59 100644 --- a/include/linux/netpoll.h +++ b/include/linux/netpoll.h @@ -16,14 +16,19 @@ struct netpoll; struct netpoll { struct net_device *dev; char dev_name[16], *name; - int rx_flags; void (*rx_hook)(struct netpoll *, int, char *, int); void (*drop)(struct sk_buff *skb); u32 local_ip, remote_ip; u16 local_port, remote_port; unsigned char local_mac[6], remote_mac[6]; +}; + +struct netpoll_info { spinlock_t poll_lock; int poll_owner; + int rx_flags; + spinlock_t rx_lock; + struct netpoll *rx_np; /* netpoll that registered an rx_hook */ }; void netpoll_poll(struct netpoll *np); @@ -39,22 +44,35 @@ void netpoll_queue(struct sk_buff *skb); #ifdef CONFIG_NETPOLL static inline int netpoll_rx(struct sk_buff *skb) { - return skb->dev->np && skb->dev->np->rx_flags && __netpoll_rx(skb); + struct netpoll_info *npinfo = skb->dev->npinfo; + unsigned long flags; + int ret = 0; + + if (!npinfo || (!npinfo->rx_np && !npinfo->rx_flags)) + return 0; + + spin_lock_irqsave(&npinfo->rx_lock, flags); + /* check rx_flags again with the lock held */ + if (npinfo->rx_flags && __netpoll_rx(skb)) + ret = 1; + spin_unlock_irqrestore(&npinfo->rx_lock, flags); + + return ret; } static inline void netpoll_poll_lock(struct net_device *dev) { - if (dev->np) { - spin_lock(&dev->np->poll_lock); - dev->np->poll_owner = smp_processor_id(); + if (dev->npinfo) { + spin_lock(&dev->npinfo->poll_lock); + dev->npinfo->poll_owner = smp_processor_id(); } } static inline void netpoll_poll_unlock(struct net_device *dev) { - if (dev->np) { - spin_unlock(&dev->np->poll_lock); - dev->np->poll_owner = -1; + if (dev->npinfo) { + dev->npinfo->poll_owner = -1; + spin_unlock(&dev->npinfo->poll_lock); } } diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 5ca8a8d8ccd..0c1c306cdae 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -28,7 +28,7 @@ #define NFS4_ACCESS_DELETE 0x0010 #define NFS4_ACCESS_EXECUTE 0x0020 -#define NFS4_FH_PERISTENT 0x0000 +#define NFS4_FH_PERSISTENT 0x0000 #define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001 #define NFS4_FH_VOLATILE_ANY 0x0002 #define NFS4_FH_VOL_MIGRATION 0x0004 @@ -382,6 +382,8 @@ enum { NFSPROC4_CLNT_READDIR, NFSPROC4_CLNT_SERVER_CAPS, NFSPROC4_CLNT_DELEGRETURN, + NFSPROC4_CLNT_GETACL, + NFSPROC4_CLNT_SETACL, }; #endif diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index dbac7f363e5..8ea249110fb 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -15,7 +15,6 @@ #include <linux/pagemap.h> #include <linux/rwsem.h> #include <linux/wait.h> -#include <linux/uio.h> #include <linux/nfs_fs_sb.h> @@ -29,7 +28,6 @@ #include <linux/nfs4.h> #include <linux/nfs_xdr.h> #include <linux/rwsem.h> -#include <linux/workqueue.h> #include <linux/mempool.h> /* @@ -44,13 +42,6 @@ #define NFS_DEF_FILE_IO_BUFFER_SIZE 4096 /* - * The upper limit on timeouts for the exponential backoff algorithm. - */ -#define NFS_WRITEBACK_DELAY (5*HZ) -#define NFS_WRITEBACK_LOCKDELAY (60*HZ) -#define NFS_COMMIT_DELAY (5*HZ) - -/* * superblock magic number for NFS */ #define NFS_SUPER_MAGIC 0x6969 @@ -60,9 +51,6 @@ */ #define NFS_RPC_SWAPFLAGS (RPC_TASK_SWAPPER|RPC_TASK_ROOTCREDS) -#define NFS_RW_SYNC 0x0001 /* O_SYNC handling */ -#define NFS_RW_SWAP 0x0002 /* This is a swap request */ - /* * When flushing a cluster of dirty pages, there can be different * strategies: @@ -96,7 +84,8 @@ struct nfs_open_context { int error; struct list_head list; - wait_queue_head_t waitq; + + __u64 dir_cookie; }; /* @@ -104,6 +93,8 @@ struct nfs_open_context { */ struct nfs_delegation; +struct posix_acl; + /* * nfs fs inode data in memory */ @@ -140,7 +131,6 @@ struct nfs_inode { * * mtime != read_cache_mtime */ - unsigned long readdir_timestamp; unsigned long read_cache_jiffies; unsigned long attrtimeo; unsigned long attrtimeo_timestamp; @@ -158,6 +148,10 @@ struct nfs_inode { atomic_t data_updates; struct nfs_access_entry cache_access; +#ifdef CONFIG_NFS_V3_ACL + struct posix_acl *acl_access; + struct posix_acl *acl_default; +#endif /* * This is the cookie verifier used for NFSv3 readdir @@ -183,13 +177,13 @@ struct nfs_inode { wait_queue_head_t nfs_i_wait; #ifdef CONFIG_NFS_V4 + struct nfs4_cached_acl *nfs4_acl; /* NFSv4 state */ struct list_head open_states; struct nfs_delegation *delegation; int delegation_state; struct rw_semaphore rwsem; #endif /* CONFIG_NFS_V4*/ - struct inode vfs_inode; }; @@ -203,6 +197,8 @@ struct nfs_inode { #define NFS_INO_INVALID_DATA 0x0010 /* cached data is invalid */ #define NFS_INO_INVALID_ATIME 0x0020 /* cached atime is invalid */ #define NFS_INO_INVALID_ACCESS 0x0040 /* cached access cred invalid */ +#define NFS_INO_INVALID_ACL 0x0080 /* cached acls are invalid */ +#define NFS_INO_REVAL_PAGECACHE 0x1000 /* must revalidate pagecache */ static inline struct nfs_inode *NFS_I(struct inode *inode) { @@ -294,12 +290,12 @@ extern int nfs_release(struct inode *, struct file *); extern int nfs_attribute_timeout(struct inode *inode); extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode); extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *); +extern void nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping); extern int nfs_setattr(struct dentry *, struct iattr *); extern void nfs_begin_attr_update(struct inode *); extern void nfs_end_attr_update(struct inode *); extern void nfs_begin_data_update(struct inode *); extern void nfs_end_data_update(struct inode *); -extern void nfs_end_data_update_defer(struct inode *); extern struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred); extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx); extern void put_nfs_open_context(struct nfs_open_context *ctx); @@ -314,6 +310,9 @@ extern u32 root_nfs_parse_addr(char *name); /*__init*/ * linux/fs/nfs/file.c */ extern struct inode_operations nfs_file_inode_operations; +#ifdef CONFIG_NFS_V3 +extern struct inode_operations nfs3_file_inode_operations; +#endif /* CONFIG_NFS_V3 */ extern struct file_operations nfs_file_operations; extern struct address_space_operations nfs_file_aops; @@ -329,6 +328,22 @@ static inline struct rpc_cred *nfs_file_cred(struct file *file) } /* + * linux/fs/nfs/xattr.c + */ +#ifdef CONFIG_NFS_V3_ACL +extern ssize_t nfs3_listxattr(struct dentry *, char *, size_t); +extern ssize_t nfs3_getxattr(struct dentry *, const char *, void *, size_t); +extern int nfs3_setxattr(struct dentry *, const char *, + const void *, size_t, int); +extern int nfs3_removexattr (struct dentry *, const char *name); +#else +# define nfs3_listxattr NULL +# define nfs3_getxattr NULL +# define nfs3_setxattr NULL +# define nfs3_removexattr NULL +#endif + +/* * linux/fs/nfs/direct.c */ extern ssize_t nfs_direct_IO(int, struct kiocb *, const struct iovec *, loff_t, @@ -342,6 +357,9 @@ extern ssize_t nfs_file_direct_write(struct kiocb *iocb, const char __user *buf, * linux/fs/nfs/dir.c */ extern struct inode_operations nfs_dir_inode_operations; +#ifdef CONFIG_NFS_V3 +extern struct inode_operations nfs3_dir_inode_operations; +#endif /* CONFIG_NFS_V3 */ extern struct file_operations nfs_dir_operations; extern struct dentry_operations nfs_dentry_operations; @@ -377,10 +395,10 @@ extern void nfs_commit_done(struct rpc_task *); */ extern int nfs_sync_inode(struct inode *, unsigned long, unsigned int, int); #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) -extern int nfs_commit_inode(struct inode *, unsigned long, unsigned int, int); +extern int nfs_commit_inode(struct inode *, int); #else static inline int -nfs_commit_inode(struct inode *inode, unsigned long idx_start, unsigned int npages, int how) +nfs_commit_inode(struct inode *inode, int how) { return 0; } @@ -434,11 +452,6 @@ static inline void nfs_writedata_free(struct nfs_write_data *p) mempool_free(p, nfs_wdata_mempool); } -/* Hack for future NFS swap support */ -#ifndef IS_SWAPFILE -# define IS_SWAPFILE(inode) (0) -#endif - /* * linux/fs/nfs/read.c */ @@ -468,6 +481,29 @@ static inline void nfs_readdata_free(struct nfs_read_data *p) extern void nfs_readdata_release(struct rpc_task *task); /* + * linux/fs/nfs3proc.c + */ +#ifdef CONFIG_NFS_V3_ACL +extern struct posix_acl *nfs3_proc_getacl(struct inode *inode, int type); +extern int nfs3_proc_setacl(struct inode *inode, int type, + struct posix_acl *acl); +extern int nfs3_proc_set_default_acl(struct inode *dir, struct inode *inode, + mode_t mode); +extern void nfs3_forget_cached_acls(struct inode *inode); +#else +static inline int nfs3_proc_set_default_acl(struct inode *dir, + struct inode *inode, + mode_t mode) +{ + return 0; +} + +static inline void nfs3_forget_cached_acls(struct inode *inode) +{ +} +#endif /* CONFIG_NFS_V3_ACL */ + +/* * linux/fs/mount_clnt.c * (Used only by nfsroot module) */ @@ -515,230 +551,6 @@ extern void * nfs_root_data(void); #define NFS_JUKEBOX_RETRY_TIME (5 * HZ) -#ifdef CONFIG_NFS_V4 - -struct idmap; - -/* - * In a seqid-mutating op, this macro controls which error return - * values trigger incrementation of the seqid. - * - * from rfc 3010: - * The client MUST monotonically increment the sequence number for the - * CLOSE, LOCK, LOCKU, OPEN, OPEN_CONFIRM, and OPEN_DOWNGRADE - * operations. This is true even in the event that the previous - * operation that used the sequence number received an error. The only - * exception to this rule is if the previous operation received one of - * the following errors: NFSERR_STALE_CLIENTID, NFSERR_STALE_STATEID, - * NFSERR_BAD_STATEID, NFSERR_BAD_SEQID, NFSERR_BADXDR, - * NFSERR_RESOURCE, NFSERR_NOFILEHANDLE. - * - */ -#define seqid_mutating_err(err) \ -(((err) != NFSERR_STALE_CLIENTID) && \ - ((err) != NFSERR_STALE_STATEID) && \ - ((err) != NFSERR_BAD_STATEID) && \ - ((err) != NFSERR_BAD_SEQID) && \ - ((err) != NFSERR_BAD_XDR) && \ - ((err) != NFSERR_RESOURCE) && \ - ((err) != NFSERR_NOFILEHANDLE)) - -enum nfs4_client_state { - NFS4CLNT_OK = 0, -}; - -/* - * The nfs4_client identifies our client state to the server. - */ -struct nfs4_client { - struct list_head cl_servers; /* Global list of servers */ - struct in_addr cl_addr; /* Server identifier */ - u64 cl_clientid; /* constant */ - nfs4_verifier cl_confirm; - unsigned long cl_state; - - u32 cl_lockowner_id; - - /* - * The following rwsem ensures exclusive access to the server - * while we recover the state following a lease expiration. - */ - struct rw_semaphore cl_sem; - - struct list_head cl_delegations; - struct list_head cl_state_owners; - struct list_head cl_unused; - int cl_nunused; - spinlock_t cl_lock; - atomic_t cl_count; - - struct rpc_clnt * cl_rpcclient; - struct rpc_cred * cl_cred; - - struct list_head cl_superblocks; /* List of nfs_server structs */ - - unsigned long cl_lease_time; - unsigned long cl_last_renewal; - struct work_struct cl_renewd; - struct work_struct cl_recoverd; - - wait_queue_head_t cl_waitq; - struct rpc_wait_queue cl_rpcwaitq; - - /* used for the setclientid verifier */ - struct timespec cl_boot_time; - - /* idmapper */ - struct idmap * cl_idmap; - - /* Our own IP address, as a null-terminated string. - * This is used to generate the clientid, and the callback address. - */ - char cl_ipaddr[16]; - unsigned char cl_id_uniquifier; -}; - -/* - * NFS4 state_owners and lock_owners are simply labels for ordered - * sequences of RPC calls. Their sole purpose is to provide once-only - * semantics by allowing the server to identify replayed requests. - * - * The ->so_sema is held during all state_owner seqid-mutating operations: - * OPEN, OPEN_DOWNGRADE, and CLOSE. Its purpose is to properly serialize - * so_seqid. - */ -struct nfs4_state_owner { - struct list_head so_list; /* per-clientid list of state_owners */ - struct nfs4_client *so_client; - u32 so_id; /* 32-bit identifier, unique */ - struct semaphore so_sema; - u32 so_seqid; /* protected by so_sema */ - atomic_t so_count; - - struct rpc_cred *so_cred; /* Associated cred */ - struct list_head so_states; - struct list_head so_delegations; -}; - -/* - * struct nfs4_state maintains the client-side state for a given - * (state_owner,inode) tuple (OPEN) or state_owner (LOCK). - * - * OPEN: - * In order to know when to OPEN_DOWNGRADE or CLOSE the state on the server, - * we need to know how many files are open for reading or writing on a - * given inode. This information too is stored here. - * - * LOCK: one nfs4_state (LOCK) to hold the lock stateid nfs4_state(OPEN) - */ - -struct nfs4_lock_state { - struct list_head ls_locks; /* Other lock stateids */ - fl_owner_t ls_owner; /* POSIX lock owner */ -#define NFS_LOCK_INITIALIZED 1 - int ls_flags; - u32 ls_seqid; - u32 ls_id; - nfs4_stateid ls_stateid; - atomic_t ls_count; -}; - -/* bits for nfs4_state->flags */ -enum { - LK_STATE_IN_USE, - NFS_DELEGATED_STATE, -}; - -struct nfs4_state { - struct list_head open_states; /* List of states for the same state_owner */ - struct list_head inode_states; /* List of states for the same inode */ - struct list_head lock_states; /* List of subservient lock stateids */ - - struct nfs4_state_owner *owner; /* Pointer to the open owner */ - struct inode *inode; /* Pointer to the inode */ - - unsigned long flags; /* Do we hold any locks? */ - struct semaphore lock_sema; /* Serializes file locking operations */ - rwlock_t state_lock; /* Protects the lock_states list */ - - nfs4_stateid stateid; - - unsigned int nreaders; - unsigned int nwriters; - int state; /* State on the server (R,W, or RW) */ - atomic_t count; -}; - - -struct nfs4_exception { - long timeout; - int retry; -}; - -struct nfs4_state_recovery_ops { - int (*recover_open)(struct nfs4_state_owner *, struct nfs4_state *); - int (*recover_lock)(struct nfs4_state *, struct file_lock *); -}; - -extern struct dentry_operations nfs4_dentry_operations; -extern struct inode_operations nfs4_dir_inode_operations; - -/* nfs4proc.c */ -extern int nfs4_map_errors(int err); -extern int nfs4_proc_setclientid(struct nfs4_client *, u32, unsigned short); -extern int nfs4_proc_setclientid_confirm(struct nfs4_client *); -extern int nfs4_proc_async_renew(struct nfs4_client *); -extern int nfs4_proc_renew(struct nfs4_client *); -extern int nfs4_do_close(struct inode *inode, struct nfs4_state *state, mode_t mode); -extern struct inode *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *); -extern int nfs4_open_revalidate(struct inode *, struct dentry *, int); - -extern struct nfs4_state_recovery_ops nfs4_reboot_recovery_ops; -extern struct nfs4_state_recovery_ops nfs4_network_partition_recovery_ops; - -/* nfs4renewd.c */ -extern void nfs4_schedule_state_renewal(struct nfs4_client *); -extern void nfs4_renewd_prepare_shutdown(struct nfs_server *); -extern void nfs4_kill_renewd(struct nfs4_client *); - -/* nfs4state.c */ -extern void init_nfsv4_state(struct nfs_server *); -extern void destroy_nfsv4_state(struct nfs_server *); -extern struct nfs4_client *nfs4_get_client(struct in_addr *); -extern void nfs4_put_client(struct nfs4_client *clp); -extern int nfs4_init_client(struct nfs4_client *clp); -extern struct nfs4_client *nfs4_find_client(struct in_addr *); -extern u32 nfs4_alloc_lockowner_id(struct nfs4_client *); - -extern struct nfs4_state_owner * nfs4_get_state_owner(struct nfs_server *, struct rpc_cred *); -extern void nfs4_put_state_owner(struct nfs4_state_owner *); -extern void nfs4_drop_state_owner(struct nfs4_state_owner *); -extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state_owner *); -extern void nfs4_put_open_state(struct nfs4_state *); -extern void nfs4_close_state(struct nfs4_state *, mode_t); -extern struct nfs4_state *nfs4_find_state(struct inode *, struct rpc_cred *, mode_t mode); -extern void nfs4_increment_seqid(int status, struct nfs4_state_owner *sp); -extern void nfs4_schedule_state_recovery(struct nfs4_client *); -extern struct nfs4_lock_state *nfs4_find_lock_state(struct nfs4_state *state, fl_owner_t); -extern struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_owner_t); -extern void nfs4_put_lock_state(struct nfs4_lock_state *state); -extern void nfs4_increment_lock_seqid(int status, struct nfs4_lock_state *ls); -extern void nfs4_notify_setlk(struct nfs4_state *, struct file_lock *, struct nfs4_lock_state *); -extern void nfs4_notify_unlck(struct nfs4_state *, struct file_lock *, struct nfs4_lock_state *); -extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t); - - - -struct nfs4_mount_data; -#else -#define init_nfsv4_state(server) do { } while (0) -#define destroy_nfsv4_state(server) do { } while (0) -#define nfs4_put_state_owner(inode, owner) do { } while (0) -#define nfs4_put_open_state(state) do { } while (0) -#define nfs4_close_state(a, b) do { } while (0) -#define nfs4_renewd_prepare_shutdown(server) do { } while (0) -#endif - #endif /* __KERNEL__ */ /* diff --git a/include/linux/nfs_fs_i.h b/include/linux/nfs_fs_i.h index e9a749588a7..e2c18dabff8 100644 --- a/include/linux/nfs_fs_i.h +++ b/include/linux/nfs_fs_i.h @@ -16,6 +16,11 @@ struct nfs_lock_info { struct nlm_lockowner *owner; }; +struct nfs4_lock_state; +struct nfs4_lock_info { + struct nfs4_lock_state *owner; +}; + /* * Lock flag values */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index fc51645d61e..3d3a305488c 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -10,6 +10,7 @@ struct nfs_server { struct rpc_clnt * client; /* RPC client handle */ struct rpc_clnt * client_sys; /* 2nd handle for FSINFO */ + struct rpc_clnt * client_acl; /* ACL RPC client handle */ struct nfs_rpc_ops * rpc_ops; /* NFS protocol vector */ struct backing_dev_info backing_dev_info; int flags; /* various flags */ diff --git a/include/linux/nfs_mount.h b/include/linux/nfs_mount.h index 0071428231f..659c7543845 100644 --- a/include/linux/nfs_mount.h +++ b/include/linux/nfs_mount.h @@ -58,6 +58,7 @@ struct nfs_mount_data { #define NFS_MOUNT_KERBEROS 0x0100 /* 3 */ #define NFS_MOUNT_NONLM 0x0200 /* 3 */ #define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */ +#define NFS_MOUNT_NOACL 0x0800 /* 4 */ #define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */ #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */ #define NFS_MOUNT_FLAGMASK 0xFFFF diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 39e4895bcdb..da2e077b65e 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -20,12 +20,19 @@ #include <asm/atomic.h> /* + * Valid flags for the radix tree + */ +#define NFS_PAGE_TAG_DIRTY 0 +#define NFS_PAGE_TAG_WRITEBACK 1 + +/* * Valid flags for a dirty buffer */ #define PG_BUSY 0 #define PG_NEED_COMMIT 1 #define PG_NEED_RESCHED 2 +struct nfs_inode; struct nfs_page { struct list_head wb_list, /* Defines state of page: */ *wb_list_head; /* read/write/commit */ @@ -54,14 +61,17 @@ extern void nfs_clear_request(struct nfs_page *req); extern void nfs_release_request(struct nfs_page *req); -extern void nfs_list_add_request(struct nfs_page *, struct list_head *); - +extern int nfs_scan_lock_dirty(struct nfs_inode *nfsi, struct list_head *dst, + unsigned long idx_start, unsigned int npages); extern int nfs_scan_list(struct list_head *, struct list_head *, unsigned long, unsigned int); extern int nfs_coalesce_requests(struct list_head *, struct list_head *, unsigned int); extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); +extern int nfs_set_page_writeback_locked(struct nfs_page *req); +extern void nfs_clear_page_writeback(struct nfs_page *req); + /* * Lock the page of an asynchronous request without incrementing the wb_count @@ -86,6 +96,18 @@ nfs_lock_request(struct nfs_page *req) return 1; } +/** + * nfs_list_add_request - Insert a request into a list + * @req: request + * @head: head of list into which to insert the request. + */ +static inline void +nfs_list_add_request(struct nfs_page *req, struct list_head *head) +{ + list_add_tail(&req->wb_list, head); + req->wb_list_head = head; +} + /** * nfs_list_remove_request - Remove a request from its wb_list @@ -96,10 +118,6 @@ nfs_list_remove_request(struct nfs_page *req) { if (list_empty(&req->wb_list)) return; - if (!NFS_WBACK_BUSY(req)) { - printk(KERN_ERR "NFS: unlocked request attempted removed from list!\n"); - BUG(); - } list_del_init(&req->wb_list); req->wb_list_head = NULL; } diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 47037d9521c..a2bf6914ff1 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -2,6 +2,7 @@ #define _LINUX_NFS_XDR_H #include <linux/sunrpc/xprt.h> +#include <linux/nfsacl.h> struct nfs4_fsid { __u64 major; @@ -326,6 +327,20 @@ struct nfs_setattrargs { const u32 * bitmask; }; +struct nfs_setaclargs { + struct nfs_fh * fh; + size_t acl_len; + unsigned int acl_pgbase; + struct page ** acl_pages; +}; + +struct nfs_getaclargs { + struct nfs_fh * fh; + size_t acl_len; + unsigned int acl_pgbase; + struct page ** acl_pages; +}; + struct nfs_setattrres { struct nfs_fattr * fattr; const struct nfs_server * server; @@ -354,6 +369,20 @@ struct nfs_readdirargs { struct page ** pages; }; +struct nfs3_getaclargs { + struct nfs_fh * fh; + int mask; + struct page ** pages; +}; + +struct nfs3_setaclargs { + struct inode * inode; + int mask; + struct posix_acl * acl_access; + struct posix_acl * acl_default; + struct page ** pages; +}; + struct nfs_diropok { struct nfs_fh * fh; struct nfs_fattr * fattr; @@ -477,6 +506,15 @@ struct nfs3_readdirres { int plus; }; +struct nfs3_getaclres { + struct nfs_fattr * fattr; + int mask; + unsigned int acl_access_count; + unsigned int acl_default_count; + struct posix_acl * acl_access; + struct posix_acl * acl_default; +}; + #ifdef CONFIG_NFS_V4 typedef u64 clientid4; @@ -667,6 +705,7 @@ struct nfs_rpc_ops { int version; /* Protocol version */ struct dentry_operations *dentry_ops; struct inode_operations *dir_inode_ops; + struct inode_operations *file_inode_ops; int (*getroot) (struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *); @@ -713,6 +752,7 @@ struct nfs_rpc_ops { int (*file_open) (struct inode *, struct file *); int (*file_release) (struct inode *, struct file *); int (*lock)(struct file *, int, struct file_lock *); + void (*clear_acl_cache)(struct inode *); }; /* @@ -732,4 +772,7 @@ extern struct rpc_version nfs_version2; extern struct rpc_version nfs_version3; extern struct rpc_version nfs_version4; +extern struct rpc_version nfsacl_version3; +extern struct rpc_program nfsacl_program; + #endif diff --git a/include/linux/nfsacl.h b/include/linux/nfsacl.h new file mode 100644 index 00000000000..54487a99beb --- /dev/null +++ b/include/linux/nfsacl.h @@ -0,0 +1,58 @@ +/* + * File: linux/nfsacl.h + * + * (C) 2003 Andreas Gruenbacher <agruen@suse.de> + */ +#ifndef __LINUX_NFSACL_H +#define __LINUX_NFSACL_H + +#define NFS_ACL_PROGRAM 100227 + +#define ACLPROC2_GETACL 1 +#define ACLPROC2_SETACL 2 +#define ACLPROC2_GETATTR 3 +#define ACLPROC2_ACCESS 4 + +#define ACLPROC3_GETACL 1 +#define ACLPROC3_SETACL 2 + + +/* Flags for the getacl/setacl mode */ +#define NFS_ACL 0x0001 +#define NFS_ACLCNT 0x0002 +#define NFS_DFACL 0x0004 +#define NFS_DFACLCNT 0x0008 + +/* Flag for Default ACL entries */ +#define NFS_ACL_DEFAULT 0x1000 + +#ifdef __KERNEL__ + +#include <linux/posix_acl.h> + +/* Maximum number of ACL entries over NFS */ +#define NFS_ACL_MAX_ENTRIES 1024 + +#define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES)) +#define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \ + >> PAGE_SHIFT) + +static inline unsigned int +nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default) +{ + unsigned int w = 16; + w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12; + if (acl_default) + w += max((int)acl_default->a_count, 4) * 12; + return w; +} + +extern unsigned int +nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, + struct posix_acl *acl, int encode_entries, int typeflag); +extern unsigned int +nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, + struct posix_acl **pacl); + +#endif /* __KERNEL__ */ +#endif /* __LINUX_NFSACL_H */ diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h index 8f85d9a5960..6d5a24f3fc6 100644 --- a/include/linux/nfsd/nfsd.h +++ b/include/linux/nfsd/nfsd.h @@ -15,6 +15,7 @@ #include <linux/unistd.h> #include <linux/dirent.h> #include <linux/fs.h> +#include <linux/posix_acl.h> #include <linux/mount.h> #include <linux/nfsd/debug.h> @@ -123,21 +124,41 @@ int nfsd_statfs(struct svc_rqst *, struct svc_fh *, int nfsd_notify_change(struct inode *, struct iattr *); int nfsd_permission(struct svc_export *, struct dentry *, int); +void nfsd_sync_dir(struct dentry *dp); + +#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) +#ifdef CONFIG_NFSD_V2_ACL +extern struct svc_version nfsd_acl_version2; +#else +#define nfsd_acl_version2 NULL +#endif +#ifdef CONFIG_NFSD_V3_ACL +extern struct svc_version nfsd_acl_version3; +#else +#define nfsd_acl_version3 NULL +#endif +struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int); +int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *); +#endif /* * NFSv4 State */ #ifdef CONFIG_NFSD_V4 -int nfs4_state_init(void); +void nfs4_state_init(void); +int nfs4_state_start(void); void nfs4_state_shutdown(void); time_t nfs4_lease_time(void); void nfs4_reset_lease(time_t leasetime); +int nfs4_reset_recoverydir(char *recdir); #else -static inline int nfs4_state_init(void){return 0;} +static inline void nfs4_state_init(void){}; +static inline int nfs4_state_start(void){return 0;} static inline void nfs4_state_shutdown(void){} static inline time_t nfs4_lease_time(void){return 0;} static inline void nfs4_reset_lease(time_t leasetime){} +static inline int nfs4_reset_recoverydir(char *recdir) {return 0;} #endif /* @@ -210,6 +231,7 @@ void nfsd_lockd_shutdown(void); #define nfserr_reclaim_bad __constant_htonl(NFSERR_RECLAIM_BAD) #define nfserr_badname __constant_htonl(NFSERR_BADNAME) #define nfserr_cb_path_down __constant_htonl(NFSERR_CB_PATH_DOWN) +#define nfserr_locked __constant_htonl(NFSERR_LOCKED) /* error codes for internal use */ /* if a request fails due to kmalloc failure, it gets dropped. diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h index b6b2fe1e7c6..8bf23cf8b60 100644 --- a/include/linux/nfsd/state.h +++ b/include/linux/nfsd/state.h @@ -61,11 +61,6 @@ typedef struct { #define si_stateownerid si_opaque.so_stateownerid #define si_fileid si_opaque.so_fileid -extern stateid_t zerostateid; -extern stateid_t onestateid; - -#define ZERO_STATEID(stateid) (!memcmp((stateid), &zerostateid, sizeof(stateid_t))) -#define ONE_STATEID(stateid) (!memcmp((stateid), &onestateid, sizeof(stateid_t))) struct nfs4_cb_recall { u32 cbr_ident; @@ -77,8 +72,8 @@ struct nfs4_cb_recall { }; struct nfs4_delegation { - struct list_head dl_del_perfile; /* nfs4_file->fi_del_perfile */ - struct list_head dl_del_perclnt; /* nfs4_client->cl_del_perclnt*/ + struct list_head dl_perfile; + struct list_head dl_perclnt; struct list_head dl_recall_lru; /* delegation recalled */ atomic_t dl_count; /* ref count */ struct nfs4_client *dl_client; @@ -97,7 +92,6 @@ struct nfs4_delegation { /* client delegation callback info */ struct nfs4_callback { /* SETCLIENTID info */ - u32 cb_parsed; /* addr parsed */ u32 cb_addr; unsigned short cb_port; u32 cb_prog; @@ -109,6 +103,8 @@ struct nfs4_callback { struct rpc_clnt * cb_client; }; +#define HEXDIR_LEN 33 /* hex version of 16 byte md5 of cl_name plus '\0' */ + /* * struct nfs4_client - one per client. Clientids live here. * o Each nfs4_client is hashed by clientid. @@ -122,10 +118,11 @@ struct nfs4_callback { struct nfs4_client { struct list_head cl_idhash; /* hash by cl_clientid.id */ struct list_head cl_strhash; /* hash by cl_name */ - struct list_head cl_perclient; /* list: stateowners */ - struct list_head cl_del_perclnt; /* list: delegations */ + struct list_head cl_openowners; + struct list_head cl_delegations; struct list_head cl_lru; /* tail queue */ struct xdr_netobj cl_name; /* id generated by client */ + char cl_recdir[HEXDIR_LEN]; /* recovery dir */ nfs4_verifier cl_verifier; /* generated by client */ time_t cl_time; /* time of last lease renewal */ u32 cl_addr; /* client ipaddress */ @@ -134,6 +131,7 @@ struct nfs4_client { nfs4_verifier cl_confirm; /* generated by server */ struct nfs4_callback cl_callback; /* callback info */ atomic_t cl_count; /* ref count */ + u32 cl_firststate; /* recovery dir creation */ }; /* struct nfs4_client_reset @@ -143,7 +141,7 @@ struct nfs4_client { */ struct nfs4_client_reclaim { struct list_head cr_strhash; /* hash by cr_name */ - struct xdr_netobj cr_name; /* id generated by client */ + char cr_recdir[HEXDIR_LEN]; /* recover dir */ }; static inline void @@ -197,15 +195,17 @@ struct nfs4_stateowner { struct kref so_ref; struct list_head so_idhash; /* hash by so_id */ struct list_head so_strhash; /* hash by op_name */ - struct list_head so_perclient; /* nfs4_client->cl_perclient */ - struct list_head so_perfilestate; /* list: nfs4_stateid */ - struct list_head so_perlockowner; /* nfs4_stateid->st_perlockowner */ + struct list_head so_perclient; + struct list_head so_stateids; + struct list_head so_perstateid; /* for lockowners only */ struct list_head so_close_lru; /* tail queue */ time_t so_time; /* time of placement on so_close_lru */ int so_is_open_owner; /* 1=openowner,0=lockowner */ u32 so_id; struct nfs4_client * so_client; - u32 so_seqid; + /* after increment in ENCODE_SEQID_OP_TAIL, represents the next + * sequence id expected from the client: */ + u32 so_seqid; struct xdr_netobj so_owner; /* open owner name */ int so_confirmed; /* successful OPEN_CONFIRM? */ struct nfs4_replay so_replay; @@ -217,9 +217,10 @@ struct nfs4_stateowner { * share_acces, share_deny on the file. */ struct nfs4_file { + struct kref fi_ref; struct list_head fi_hash; /* hash by "struct inode *" */ - struct list_head fi_perfile; /* list: nfs4_stateid */ - struct list_head fi_del_perfile; /* list: nfs4_delegation */ + struct list_head fi_stateids; + struct list_head fi_delegations; struct inode *fi_inode; u32 fi_id; /* used with stateowner->so_id * for stateid_hashtbl hash */ @@ -236,19 +237,24 @@ struct nfs4_file { * st_perlockowner: (open stateid) list of lock nfs4_stateowners * st_access_bmap: used only for open stateid * st_deny_bmap: used only for open stateid +* st_openstp: open stateid lock stateid was derived from +* +* XXX: open stateids and lock stateids have diverged sufficiently that +* we should consider defining separate structs for the two cases. */ struct nfs4_stateid { struct list_head st_hash; struct list_head st_perfile; - struct list_head st_perfilestate; - struct list_head st_perlockowner; + struct list_head st_perstateowner; + struct list_head st_lockowners; struct nfs4_stateowner * st_stateowner; struct nfs4_file * st_file; stateid_t st_stateid; struct file * st_vfs_file; unsigned long st_access_bmap; unsigned long st_deny_bmap; + struct nfs4_stateid * st_openstp; }; /* flags for preprocess_seqid_op() */ @@ -267,12 +273,9 @@ struct nfs4_stateid { ((err) != nfserr_stale_stateid) && \ ((err) != nfserr_bad_stateid)) -extern time_t nfs4_laundromat(void); extern int nfsd4_renew(clientid_t *clid); extern int nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int flags, struct file **filp); -extern int nfs4_share_conflict(struct svc_fh *current_fh, - unsigned int deny_type); extern void nfs4_lock_state(void); extern void nfs4_unlock_state(void); extern int nfs4_in_grace(void); @@ -282,6 +285,15 @@ extern void nfs4_free_stateowner(struct kref *kref); extern void nfsd4_probe_callback(struct nfs4_client *clp); extern void nfsd4_cb_recall(struct nfs4_delegation *dp); extern void nfs4_put_delegation(struct nfs4_delegation *dp); +extern int nfs4_make_rec_clidname(char *clidname, struct xdr_netobj *clname); +extern void nfsd4_init_recdir(char *recdir_name); +extern int nfsd4_recdir_load(void); +extern void nfsd4_shutdown_recdir(void); +extern int nfs4_client_to_reclaim(const char *name); +extern int nfs4_has_reclaimed_state(const char *name); +extern void nfsd4_recdir_purge_old(void); +extern int nfsd4_create_clid_dir(struct nfs4_client *clp); +extern void nfsd4_remove_clid_dir(struct nfs4_client *clp); static inline void nfs4_put_stateowner(struct nfs4_stateowner *so) diff --git a/include/linux/nfsd/xdr.h b/include/linux/nfsd/xdr.h index ecccef777da..130d4f588a3 100644 --- a/include/linux/nfsd/xdr.h +++ b/include/linux/nfsd/xdr.h @@ -169,4 +169,8 @@ int nfssvc_encode_entry(struct readdir_cd *, const char *name, int nfssvc_release_fhandle(struct svc_rqst *, u32 *, struct nfsd_fhandle *); +/* Helper functions for NFSv2 ACL code */ +u32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp); +u32 *nfs2svc_decode_fh(u32 *p, struct svc_fh *fhp); + #endif /* LINUX_NFSD_H */ diff --git a/include/linux/nfsd/xdr3.h b/include/linux/nfsd/xdr3.h index 0ae9e0ef5f6..21e18ce7ca6 100644 --- a/include/linux/nfsd/xdr3.h +++ b/include/linux/nfsd/xdr3.h @@ -110,6 +110,19 @@ struct nfsd3_commitargs { __u32 count; }; +struct nfsd3_getaclargs { + struct svc_fh fh; + int mask; +}; + +struct posix_acl; +struct nfsd3_setaclargs { + struct svc_fh fh; + int mask; + struct posix_acl *acl_access; + struct posix_acl *acl_default; +}; + struct nfsd3_attrstat { __u32 status; struct svc_fh fh; @@ -209,6 +222,14 @@ struct nfsd3_commitres { struct svc_fh fh; }; +struct nfsd3_getaclres { + __u32 status; + struct svc_fh fh; + int mask; + struct posix_acl *acl_access; + struct posix_acl *acl_default; +}; + /* dummy type for release */ struct nfsd3_fhandle_pair { __u32 dummy; @@ -241,6 +262,7 @@ union nfsd3_xdrstore { struct nfsd3_fsinfores fsinfores; struct nfsd3_pathconfres pathconfres; struct nfsd3_commitres commitres; + struct nfsd3_getaclres getaclres; }; #define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore) @@ -316,6 +338,10 @@ int nfs3svc_encode_entry(struct readdir_cd *, const char *name, int nfs3svc_encode_entry_plus(struct readdir_cd *, const char *name, int namlen, loff_t offset, ino_t ino, unsigned int); +/* Helper functions for NFSv3 ACL code */ +u32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, u32 *p, + struct svc_fh *fhp); +u32 *nfs3svc_decode_fh(u32 *p, struct svc_fh *fhp); #endif /* _LINUX_NFSD_XDR3_H */ diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h index a1f5ad0be1b..4d24d65c0e8 100644 --- a/include/linux/nfsd/xdr4.h +++ b/include/linux/nfsd/xdr4.h @@ -210,6 +210,7 @@ struct nfsd4_open { u32 op_share_access; /* request */ u32 op_share_deny; /* request */ stateid_t op_stateid; /* response */ + u32 op_recall; /* recall */ struct nfsd4_change_info op_cinfo; /* response */ u32 op_rflags; /* response */ int op_truncate; /* used during processing */ diff --git a/include/linux/nfsd_idmap.h b/include/linux/nfsd_idmap.h index 9bb7f30e923..e82746fcad1 100644 --- a/include/linux/nfsd_idmap.h +++ b/include/linux/nfsd_idmap.h @@ -43,8 +43,13 @@ /* XXX from linux/nfs_idmap.h */ #define IDMAP_NAMESZ 128 +#ifdef CONFIG_NFSD_V4 void nfsd_idmap_init(void); void nfsd_idmap_shutdown(void); +#else +static inline void nfsd_idmap_init(void) {}; +static inline void nfsd_idmap_shutdown(void) {}; +#endif int nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *); int nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, __u32 *); diff --git a/include/linux/node.h b/include/linux/node.h index 6e0a697e594..254dc3de650 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -27,6 +27,7 @@ struct node { }; extern int register_node(struct node *, int, struct node *); +extern void unregister_node(struct node *node); #define to_node(sys_device) container_of(sys_device, struct node, sysdev) diff --git a/include/linux/numa.h b/include/linux/numa.h index bd0c8c4e9a9..f0c539bd3cf 100644 --- a/include/linux/numa.h +++ b/include/linux/numa.h @@ -3,7 +3,7 @@ #include <linux/config.h> -#ifdef CONFIG_DISCONTIGMEM +#ifndef CONFIG_FLATMEM #include <asm/numnodes.h> #endif diff --git a/include/linux/nvram.h b/include/linux/nvram.h index b031e41b5e0..9189829c131 100644 --- a/include/linux/nvram.h +++ b/include/linux/nvram.h @@ -20,8 +20,6 @@ extern void __nvram_write_byte(unsigned char c, int i); extern void nvram_write_byte(unsigned char c, int i); extern int __nvram_check_checksum(void); extern int nvram_check_checksum(void); -extern void __nvram_set_checksum(void); -extern void nvram_set_checksum(void); #endif #endif /* _LINUX_NVRAM_H */ diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 39ab8c6b565..f5a6695d4d2 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -61,21 +61,20 @@ #define PG_active 6 #define PG_slab 7 /* slab debug (Suparna wants this) */ -#define PG_highmem 8 -#define PG_checked 9 /* kill me in 2.5.<early>. */ -#define PG_arch_1 10 -#define PG_reserved 11 - -#define PG_private 12 /* Has something at ->private */ -#define PG_writeback 13 /* Page is under writeback */ -#define PG_nosave 14 /* Used for system suspend/resume */ -#define PG_compound 15 /* Part of a compound page */ - -#define PG_swapcache 16 /* Swap page: swp_entry_t in private */ -#define PG_mappedtodisk 17 /* Has blocks allocated on-disk */ -#define PG_reclaim 18 /* To be reclaimed asap */ -#define PG_nosave_free 19 /* Free, should not be written */ -#define PG_uncached 20 /* Page has been mapped as uncached */ +#define PG_checked 8 /* kill me in 2.5.<early>. */ +#define PG_arch_1 9 +#define PG_reserved 10 +#define PG_private 11 /* Has something at ->private */ + +#define PG_writeback 12 /* Page is under writeback */ +#define PG_nosave 13 /* Used for system suspend/resume */ +#define PG_compound 14 /* Part of a compound page */ +#define PG_swapcache 15 /* Swap page: swp_entry_t in private */ + +#define PG_mappedtodisk 16 /* Has blocks allocated on-disk */ +#define PG_reclaim 17 /* To be reclaimed asap */ +#define PG_nosave_free 18 /* Free, should not be written */ +#define PG_uncached 19 /* Page has been mapped as uncached */ /* * Global page accounting. One instance per CPU. Only unsigned longs are @@ -136,8 +135,8 @@ struct page_state { extern void get_page_state(struct page_state *ret); extern void get_full_page_state(struct page_state *ret); -extern unsigned long __read_page_state(unsigned offset); -extern void __mod_page_state(unsigned offset, unsigned long delta); +extern unsigned long __read_page_state(unsigned long offset); +extern void __mod_page_state(unsigned long offset, unsigned long delta); #define read_page_state(member) \ __read_page_state(offsetof(struct page_state, member)) @@ -215,7 +214,7 @@ extern void __mod_page_state(unsigned offset, unsigned long delta); #define TestSetPageSlab(page) test_and_set_bit(PG_slab, &(page)->flags) #ifdef CONFIG_HIGHMEM -#define PageHighMem(page) test_bit(PG_highmem, &(page)->flags) +#define PageHighMem(page) is_highmem(page_zone(page)) #else #define PageHighMem(page) 0 /* needed to optimize away at compile time */ #endif diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 0422031161b..d9a25647a29 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -52,12 +52,12 @@ void release_pages(struct page **pages, int nr, int cold); static inline struct page *page_cache_alloc(struct address_space *x) { - return alloc_pages(mapping_gfp_mask(x), 0); + return alloc_pages(mapping_gfp_mask(x)|__GFP_NORECLAIM, 0); } static inline struct page *page_cache_alloc_cold(struct address_space *x) { - return alloc_pages(mapping_gfp_mask(x)|__GFP_COLD, 0); + return alloc_pages(mapping_gfp_mask(x)|__GFP_COLD|__GFP_NORECLAIM, 0); } typedef int filler_t(void *, struct page *); diff --git a/include/linux/pci-dynids.h b/include/linux/pci-dynids.h deleted file mode 100644 index 183b6b0de81..00000000000 --- a/include/linux/pci-dynids.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * PCI defines and function prototypes - * Copyright 2003 Dell Inc. - * by Matt Domsch <Matt_Domsch@dell.com> - */ - -#ifndef LINUX_PCI_DYNIDS_H -#define LINUX_PCI_DYNIDS_H - -#include <linux/list.h> -#include <linux/mod_devicetable.h> - -struct dynid { - struct list_head node; - struct pci_device_id id; -}; - -#endif diff --git a/include/linux/pci.h b/include/linux/pci.h index b5238bd1883..8621cf42b46 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -586,7 +586,7 @@ struct pci_dev { #define PCI_NUM_RESOURCES 11 #ifndef PCI_BUS_NUM_RESOURCES -#define PCI_BUS_NUM_RESOURCES 4 +#define PCI_BUS_NUM_RESOURCES 8 #endif #define PCI_REGION_FLAG_MASK 0x0fU /* These bits of resource flags tell us the PCI region flags */ @@ -734,16 +734,20 @@ void pcibios_update_irq(struct pci_dev *, int irq); /* Generic PCI functions used internally */ extern struct pci_bus *pci_find_bus(int domain, int busnr); +void pci_bus_add_devices(struct pci_bus *bus); struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata); static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata) { - return pci_scan_bus_parented(NULL, bus, ops, sysdata); + struct pci_bus *root_bus; + root_bus = pci_scan_bus_parented(NULL, bus, ops, sysdata); + if (root_bus) + pci_bus_add_devices(root_bus); + return root_bus; } int pci_scan_slot(struct pci_bus *bus, int devfn); struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn); unsigned int pci_scan_child_bus(struct pci_bus *bus); void pci_bus_add_device(struct pci_dev *dev); -void pci_bus_add_devices(struct pci_bus *bus); void pci_name_device(struct pci_dev *dev); char *pci_class_name(u32 class); void pci_read_bridge_bases(struct pci_bus *child); @@ -856,7 +860,8 @@ int pci_register_driver(struct pci_driver *); void pci_unregister_driver(struct pci_driver *); void pci_remove_behind_bridge(struct pci_dev *); struct pci_driver *pci_dev_driver(const struct pci_dev *); -const struct pci_device_id *pci_match_device(const struct pci_device_id *ids, const struct pci_dev *dev); +const struct pci_device_id *pci_match_device(struct pci_driver *drv, struct pci_dev *dev); +const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, struct pci_dev *dev); int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass); /* kmem_cache style wrapper around pci_alloc_consistent() */ @@ -870,6 +875,15 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass #define pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle) #define pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr) +enum pci_dma_burst_strategy { + PCI_DMA_BURST_INFINITY, /* make bursts as large as possible, + strategy_parameter is N/A */ + PCI_DMA_BURST_BOUNDARY, /* disconnect at every strategy_parameter + byte boundaries */ + PCI_DMA_BURST_MULTIPLE, /* disconnect at some multiple of + strategy_parameter byte boundaries */ +}; + #if defined(CONFIG_ISA) || defined(CONFIG_EISA) extern struct pci_dev *isa_bridge; #endif @@ -957,6 +971,8 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int en #define isa_bridge ((struct pci_dev *)NULL) +#define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0) + #else /* @@ -971,7 +987,6 @@ static inline int pci_proc_domain(struct pci_bus *bus) return 0; } #endif - #endif /* !CONFIG_PCI */ /* these helpers provide future and backwards compatibility @@ -1016,6 +1031,20 @@ static inline char *pci_name(struct pci_dev *pdev) #define pci_pretty_name(dev) "" #endif + +/* Some archs don't want to expose struct resource to userland as-is + * in sysfs and /proc + */ +#ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER +static inline void pci_resource_to_user(const struct pci_dev *dev, int bar, + const struct resource *rsrc, u64 *start, u64 *end) +{ + *start = rsrc->start; + *end = rsrc->end; +} +#endif /* HAVE_ARCH_PCI_RESOURCE_TO_USER */ + + /* * The world is not perfect and supplies us with broken PCI devices. * For at least a part of these bugs we need a work-around, so both diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index b8b4ebf9abf..bc4cc10fabe 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -62,6 +62,8 @@ #define PCI_BASE_CLASS_SYSTEM 0x08 #define PCI_CLASS_SYSTEM_PIC 0x0800 +#define PCI_CLASS_SYSTEM_PIC_IOAPIC 0x080010 +#define PCI_CLASS_SYSTEM_PIC_IOXAPIC 0x080020 #define PCI_CLASS_SYSTEM_DMA 0x0801 #define PCI_CLASS_SYSTEM_TIMER 0x0802 #define PCI_CLASS_SYSTEM_RTC 0x0803 @@ -575,6 +577,7 @@ #define PCI_DEVICE_ID_CT_65550 0x00e0 #define PCI_DEVICE_ID_CT_65554 0x00e4 #define PCI_DEVICE_ID_CT_65555 0x00e5 +#define PCI_DEVICE_ID_CT_69000 0x00c0 #define PCI_VENDOR_ID_MIRO 0x1031 #define PCI_DEVICE_ID_MIRO_36050 0x5601 @@ -711,8 +714,9 @@ #define PCI_DEVICE_ID_HP_DIVA_AUX 0x1290 #define PCI_DEVICE_ID_HP_DIVA_RMP3 0x1301 #define PCI_DEVICE_ID_HP_CISSA 0x3220 -#define PCI_DEVICE_ID_HP_CISSB 0x3230 +#define PCI_DEVICE_ID_HP_CISSB 0x3222 #define PCI_DEVICE_ID_HP_ZX2_IOC 0x4031 +#define PCI_DEVICE_ID_HP_CISSC 0x3230 #define PCI_VENDOR_ID_PCTECH 0x1042 #define PCI_DEVICE_ID_PCTECH_RZ1000 0x1000 @@ -907,6 +911,15 @@ #define PCI_DEVICE_ID_QLOGIC_ISP1022 0x1022 #define PCI_DEVICE_ID_QLOGIC_ISP2100 0x2100 #define PCI_DEVICE_ID_QLOGIC_ISP2200 0x2200 +#define PCI_DEVICE_ID_QLOGIC_ISP2300 0x2300 +#define PCI_DEVICE_ID_QLOGIC_ISP2312 0x2312 +#define PCI_DEVICE_ID_QLOGIC_ISP2322 0x2322 +#define PCI_DEVICE_ID_QLOGIC_ISP6312 0x6312 +#define PCI_DEVICE_ID_QLOGIC_ISP6322 0x6322 +#define PCI_DEVICE_ID_QLOGIC_ISP2422 0x2422 +#define PCI_DEVICE_ID_QLOGIC_ISP2432 0x2432 +#define PCI_DEVICE_ID_QLOGIC_ISP2512 0x2512 +#define PCI_DEVICE_ID_QLOGIC_ISP2522 0x2522 #define PCI_VENDOR_ID_CYRIX 0x1078 #define PCI_DEVICE_ID_CYRIX_5510 0x0000 @@ -1007,6 +1020,7 @@ #define PCI_DEVICE_ID_PLX_SPCOM200 0x1103 #define PCI_DEVICE_ID_PLX_DJINN_ITOO 0x1151 #define PCI_DEVICE_ID_PLX_R753 0x1152 +#define PCI_DEVICE_ID_PLX_OLITEC 0x1187 #define PCI_DEVICE_ID_PLX_9030 0x9030 #define PCI_DEVICE_ID_PLX_9050 0x9050 #define PCI_DEVICE_ID_PLX_9060 0x9060 @@ -1234,6 +1248,7 @@ #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE 0x0265 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA 0x0266 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA2 0x0267 +#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE 0x036E #define PCI_DEVICE_ID_NVIDIA_NVENET_12 0x0268 #define PCI_DEVICE_ID_NVIDIA_NVENET_13 0x0269 #define PCI_DEVICE_ID_NVIDIA_MCP51_AUDIO 0x026B @@ -1283,6 +1298,8 @@ #define PCI_DEVICE_ID_NVIDIA_GEFORCE_FX_GO5700_2 0x0348 #define PCI_DEVICE_ID_NVIDIA_QUADRO_FX_GO1000 0x034C #define PCI_DEVICE_ID_NVIDIA_QUADRO_FX_1100 0x034E +#define PCI_DEVICE_ID_NVIDIA_NVENET_14 0x0372 +#define PCI_DEVICE_ID_NVIDIA_NVENET_15 0x0373 #define PCI_VENDOR_ID_IMS 0x10e0 #define PCI_DEVICE_ID_IMS_8849 0x8849 @@ -1567,6 +1584,7 @@ #define PCI_DEVICE_ID_SERVERWORKS_OSB4USB 0x0220 #define PCI_DEVICE_ID_SERVERWORKS_CSB5USB PCI_DEVICE_ID_SERVERWORKS_OSB4USB #define PCI_DEVICE_ID_SERVERWORKS_CSB6USB 0x0221 +#define PCI_DEVICE_ID_SERVERWORKS_CSB6LPC 0x0227 #define PCI_DEVICE_ID_SERVERWORKS_GCLE 0x0225 #define PCI_DEVICE_ID_SERVERWORKS_GCLE2 0x0227 #define PCI_DEVICE_ID_SERVERWORKS_CSB5ISA 0x0230 @@ -1810,6 +1828,8 @@ #define PCI_VENDOR_ID_ITE 0x1283 #define PCI_DEVICE_ID_ITE_IT8172G 0x8172 #define PCI_DEVICE_ID_ITE_IT8172G_AUDIO 0x0801 +#define PCI_DEVICE_ID_ITE_8211 0x8211 +#define PCI_DEVICE_ID_ITE_8212 0x8212 #define PCI_DEVICE_ID_ITE_8872 0x8872 #define PCI_DEVICE_ID_ITE_IT8330G_0 0xe886 @@ -1862,6 +1882,7 @@ #define PCI_DEVICE_ID_CBOARDS_DAS1602_16 0x0001 #define PCI_VENDOR_ID_SIIG 0x131f +#define PCI_SUBVENDOR_ID_SIIG 0x131f #define PCI_DEVICE_ID_SIIG_1S_10x_550 0x1000 #define PCI_DEVICE_ID_SIIG_1S_10x_650 0x1001 #define PCI_DEVICE_ID_SIIG_1S_10x_850 0x1002 @@ -1899,6 +1920,7 @@ #define PCI_DEVICE_ID_SIIG_2S1P_20x_550 0x2060 #define PCI_DEVICE_ID_SIIG_2S1P_20x_650 0x2061 #define PCI_DEVICE_ID_SIIG_2S1P_20x_850 0x2062 +#define PCI_SUBDEVICE_ID_SIIG_QUARTET_SERIAL 0x2050 #define PCI_VENDOR_ID_RADISYS 0x1331 #define PCI_DEVICE_ID_RADISYS_ENP2611 0x0030 @@ -2086,6 +2108,8 @@ #define PCI_DEVICE_ID_TIGON3_5721 0x1659 #define PCI_DEVICE_ID_TIGON3_5705M 0x165d #define PCI_DEVICE_ID_TIGON3_5705M_2 0x165e +#define PCI_DEVICE_ID_TIGON3_5780 0x166a +#define PCI_DEVICE_ID_TIGON3_5780S 0x166b #define PCI_DEVICE_ID_TIGON3_5705F 0x166e #define PCI_DEVICE_ID_TIGON3_5750 0x1676 #define PCI_DEVICE_ID_TIGON3_5751 0x1677 diff --git a/include/linux/pfkeyv2.h b/include/linux/pfkeyv2.h index e6b51922024..724066778af 100644 --- a/include/linux/pfkeyv2.h +++ b/include/linux/pfkeyv2.h @@ -245,6 +245,7 @@ struct sadb_x_nat_t_port { /* Security Association flags */ #define SADB_SAFLAGS_PFS 1 +#define SADB_SAFLAGS_NOPMTUDISC 0x20000000 #define SADB_SAFLAGS_DECAP_DSCP 0x40000000 #define SADB_SAFLAGS_NOECN 0x80000000 diff --git a/include/linux/pkt_cls.h b/include/linux/pkt_cls.h index d2aa214d680..bd2c5a2bbbf 100644 --- a/include/linux/pkt_cls.h +++ b/include/linux/pkt_cls.h @@ -276,6 +276,7 @@ struct tc_rsvp_pinfo __u8 protocol; __u8 tunnelid; __u8 tunnelhdr; + __u8 pad; }; /* ROUTE filter */ @@ -408,6 +409,7 @@ enum TCF_EM_NBYTE, TCF_EM_U32, TCF_EM_META, + TCF_EM_TEXT, __TCF_EM_MAX }; diff --git a/include/linux/pkt_sched.h b/include/linux/pkt_sched.h index 1d9da36eb9d..60ffcb9c579 100644 --- a/include/linux/pkt_sched.h +++ b/include/linux/pkt_sched.h @@ -221,9 +221,11 @@ struct tc_gred_qopt /* gred setup */ struct tc_gred_sopt { - __u32 DPs; - __u32 def_DP; - __u8 grio; + __u32 DPs; + __u32 def_DP; + __u8 grio; + __u8 pad1; + __u16 pad2; }; /* HTB section */ @@ -351,6 +353,7 @@ struct tc_cbq_ovl #define TC_CBQ_OVL_DROP 3 #define TC_CBQ_OVL_RCLASSIC 4 unsigned char priority2; + __u16 pad; __u32 penalty; }; diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h index 4e2d2a942ec..4b32bce9a28 100644 --- a/include/linux/pktcdvd.h +++ b/include/linux/pktcdvd.h @@ -159,7 +159,7 @@ struct packet_iosched struct bio *read_queue_tail; struct bio *write_queue; struct bio *write_queue_tail; - int high_prio_read; /* An important read request has been queued */ + sector_t last_write; /* The sector where the last write ended */ int successive_reads; }; diff --git a/include/linux/pm.h b/include/linux/pm.h index da88851266b..7aeb208ed71 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -103,7 +103,8 @@ extern int pm_active; /* * Register a device with power management */ -struct pm_dev __deprecated *pm_register(pm_dev_t type, unsigned long id, pm_callback callback); +struct pm_dev __deprecated * +pm_register(pm_dev_t type, unsigned long id, pm_callback callback); /* * Unregister a device with power management @@ -190,17 +191,18 @@ typedef u32 __bitwise pm_message_t; /* * There are 4 important states driver can be in: * ON -- driver is working - * FREEZE -- stop operations and apply whatever policy is applicable to a suspended driver - * of that class, freeze queues for block like IDE does, drop packets for - * ethernet, etc... stop DMA engine too etc... so a consistent image can be - * saved; but do not power any hardware down. - * SUSPEND - like FREEZE, but hardware is doing as much powersaving as possible. Roughly - * pci D3. + * FREEZE -- stop operations and apply whatever policy is applicable to a + * suspended driver of that class, freeze queues for block like IDE + * does, drop packets for ethernet, etc... stop DMA engine too etc... + * so a consistent image can be saved; but do not power any hardware + * down. + * SUSPEND - like FREEZE, but hardware is doing as much powersaving as + * possible. Roughly pci D3. * - * Unfortunately, current drivers only recognize numeric values 0 (ON) and 3 (SUSPEND). - * We'll need to fix the drivers. So yes, putting 3 to all diferent defines is intentional, - * and will go away as soon as drivers are fixed. Also note that typedef is neccessary, - * we'll probably want to switch to + * Unfortunately, current drivers only recognize numeric values 0 (ON) and 3 + * (SUSPEND). We'll need to fix the drivers. So yes, putting 3 to all different + * defines is intentional, and will go away as soon as drivers are fixed. Also + * note that typedef is neccessary, we'll probably want to switch to * typedef struct pm_message_t { int event; int flags; } pm_message_t * or something similar soon. */ @@ -222,11 +224,18 @@ struct dev_pm_info { extern void device_pm_set_parent(struct device * dev, struct device * parent); -extern int device_suspend(pm_message_t state); extern int device_power_down(pm_message_t state); extern void device_power_up(void); extern void device_resume(void); +#ifdef CONFIG_PM +extern int device_suspend(pm_message_t state); +#else +static inline int device_suspend(pm_message_t state) +{ + return 0; +} +#endif #endif /* __KERNEL__ */ diff --git a/include/linux/pmu.h b/include/linux/pmu.h index 6d73eada277..373bd3b9b33 100644 --- a/include/linux/pmu.h +++ b/include/linux/pmu.h @@ -166,7 +166,7 @@ extern int pmu_i2c_simple_read(int bus, int addr, u8* data, int len); extern int pmu_i2c_simple_write(int bus, int addr, u8* data, int len); -#ifdef CONFIG_PMAC_PBOOK +#ifdef CONFIG_PM /* * Stuff for putting the powerbook to sleep and waking it again. * @@ -208,6 +208,8 @@ struct pmu_sleep_notifier int pmu_register_sleep_notifier(struct pmu_sleep_notifier* notifier); int pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* notifier); +#endif /* CONFIG_PM */ + #define PMU_MAX_BATTERIES 2 /* values for pmu_power_flags */ @@ -235,6 +237,4 @@ extern int pmu_battery_count; extern struct pmu_battery_info pmu_batteries[PMU_MAX_BATTERIES]; extern unsigned int pmu_power_flags; -#endif /* CONFIG_PMAC_PBOOK */ - #endif /* __KERNEL__ */ diff --git a/include/linux/posix_acl_xattr.h b/include/linux/posix_acl_xattr.h index 5efd0a6dad9..6e53c34035c 100644 --- a/include/linux/posix_acl_xattr.h +++ b/include/linux/posix_acl_xattr.h @@ -23,13 +23,13 @@ #define ACL_UNDEFINED_ID (-1) typedef struct { - __u16 e_tag; - __u16 e_perm; - __u32 e_id; + __le16 e_tag; + __le16 e_perm; + __le32 e_id; } posix_acl_xattr_entry; typedef struct { - __u32 a_version; + __le32 a_version; posix_acl_xattr_entry a_entries[0]; } posix_acl_xattr_header; @@ -52,4 +52,7 @@ posix_acl_xattr_count(size_t size) return size / sizeof(posix_acl_xattr_entry); } +struct posix_acl *posix_acl_from_xattr(const void *value, size_t size); +int posix_acl_to_xattr(const struct posix_acl *acl, void *buffer, size_t size); + #endif /* _POSIX_ACL_XATTR_H */ diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 59e505261fd..0563581e3a0 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -74,6 +74,13 @@ struct kcore_list { size_t size; }; +struct vmcore { + struct list_head list; + unsigned long long paddr; + unsigned long size; + loff_t offset; +}; + #ifdef CONFIG_PROC_FS extern struct proc_dir_entry proc_root; diff --git a/include/linux/qnx4_fs.h b/include/linux/qnx4_fs.h index 22ba580b0ae..fc610bb0f73 100644 --- a/include/linux/qnx4_fs.h +++ b/include/linux/qnx4_fs.h @@ -46,11 +46,11 @@ struct qnx4_inode_entry { char di_fname[QNX4_SHORT_NAME_MAX]; qnx4_off_t di_size; qnx4_xtnt_t di_first_xtnt; - __u32 di_xblk; - __s32 di_ftime; - __s32 di_mtime; - __s32 di_atime; - __s32 di_ctime; + __le32 di_xblk; + __le32 di_ftime; + __le32 di_mtime; + __le32 di_atime; + __le32 di_ctime; qnx4_nxtnt_t di_num_xtnts; qnx4_mode_t di_mode; qnx4_muid_t di_uid; @@ -63,18 +63,18 @@ struct qnx4_inode_entry { struct qnx4_link_info { char dl_fname[QNX4_NAME_MAX]; - __u32 dl_inode_blk; + __le32 dl_inode_blk; __u8 dl_inode_ndx; __u8 dl_spare[10]; __u8 dl_status; }; struct qnx4_xblk { - __u32 xblk_next_xblk; - __u32 xblk_prev_xblk; + __le32 xblk_next_xblk; + __le32 xblk_prev_xblk; __u8 xblk_num_xtnts; __u8 xblk_spare[3]; - __s32 xblk_num_blocks; + __le32 xblk_num_blocks; qnx4_xtnt_t xblk_xtnts[QNX4_MAX_XTNTS_PER_XBLK]; char xblk_signature[8]; qnx4_xtnt_t xblk_first_xtnt; diff --git a/include/linux/qnxtypes.h b/include/linux/qnxtypes.h index fb518e318c7..a3eb1137857 100644 --- a/include/linux/qnxtypes.h +++ b/include/linux/qnxtypes.h @@ -12,18 +12,18 @@ #ifndef _QNX4TYPES_H #define _QNX4TYPES_H -typedef __u16 qnx4_nxtnt_t; +typedef __le16 qnx4_nxtnt_t; typedef __u8 qnx4_ftype_t; typedef struct { - __u32 xtnt_blk; - __u32 xtnt_size; + __le32 xtnt_blk; + __le32 xtnt_size; } qnx4_xtnt_t; -typedef __u16 qnx4_mode_t; -typedef __u16 qnx4_muid_t; -typedef __u16 qnx4_mgid_t; -typedef __u32 qnx4_off_t; -typedef __u16 qnx4_nlink_t; +typedef __le16 qnx4_mode_t; +typedef __le16 qnx4_muid_t; +typedef __le16 qnx4_mgid_t; +typedef __le32 qnx4_off_t; +typedef __le16 qnx4_nlink_t; #endif diff --git a/include/linux/quota.h b/include/linux/quota.h index ac5b90f4f25..700ead45084 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -138,8 +138,11 @@ struct if_dqinfo { #include <linux/dqblk_v2.h> /* Maximal numbers of writes for quota operation (insert/delete/update) - * (over all formats) - info block, 4 pointer blocks, data block */ -#define DQUOT_MAX_WRITES 6 + * (over VFS all formats) */ +#define DQUOT_INIT_ALLOC max(V1_INIT_ALLOC, V2_INIT_ALLOC) +#define DQUOT_INIT_REWRITE max(V1_INIT_REWRITE, V2_INIT_REWRITE) +#define DQUOT_DEL_ALLOC max(V1_DEL_ALLOC, V2_DEL_ALLOC) +#define DQUOT_DEL_REWRITE max(V1_DEL_REWRITE, V2_DEL_REWRITE) /* * Data for one user/group kept in memory diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index e57baa85e74..d211507ab24 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -39,7 +39,8 @@ extern int dquot_commit_info(struct super_block *sb, int type); extern int dquot_mark_dquot_dirty(struct dquot *dquot); extern int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path); -extern int vfs_quota_on_mount(int type, int format_id, struct dentry *dentry); +extern int vfs_quota_on_mount(struct super_block *sb, char *qf_name, + int format_id, int type); extern int vfs_quota_off(struct super_block *sb, int type); #define vfs_quota_off_mount(sb, type) vfs_quota_off(sb, type) extern int vfs_quota_sync(struct super_block *sb, int type); diff --git a/include/linux/raid/bitmap.h b/include/linux/raid/bitmap.h new file mode 100644 index 00000000000..4bf1659f8aa --- /dev/null +++ b/include/linux/raid/bitmap.h @@ -0,0 +1,274 @@ +/* + * bitmap.h: Copyright (C) Peter T. Breuer (ptb@ot.uc3m.es) 2003 + * + * additions: Copyright (C) 2003-2004, Paul Clements, SteelEye Technology, Inc. + */ +#ifndef BITMAP_H +#define BITMAP_H 1 + +#define BITMAP_MAJOR 3 +#define BITMAP_MINOR 38 + +/* + * in-memory bitmap: + * + * Use 16 bit block counters to track pending writes to each "chunk". + * The 2 high order bits are special-purpose, the first is a flag indicating + * whether a resync is needed. The second is a flag indicating whether a + * resync is active. + * This means that the counter is actually 14 bits: + * + * +--------+--------+------------------------------------------------+ + * | resync | resync | counter | + * | needed | active | | + * | (0-1) | (0-1) | (0-16383) | + * +--------+--------+------------------------------------------------+ + * + * The "resync needed" bit is set when: + * a '1' bit is read from storage at startup. + * a write request fails on some drives + * a resync is aborted on a chunk with 'resync active' set + * It is cleared (and resync-active set) when a resync starts across all drives + * of the chunk. + * + * + * The "resync active" bit is set when: + * a resync is started on all drives, and resync_needed is set. + * resync_needed will be cleared (as long as resync_active wasn't already set). + * It is cleared when a resync completes. + * + * The counter counts pending write requests, plus the on-disk bit. + * When the counter is '1' and the resync bits are clear, the on-disk + * bit can be cleared aswell, thus setting the counter to 0. + * When we set a bit, or in the counter (to start a write), if the fields is + * 0, we first set the disk bit and set the counter to 1. + * + * If the counter is 0, the on-disk bit is clear and the stipe is clean + * Anything that dirties the stipe pushes the counter to 2 (at least) + * and sets the on-disk bit (lazily). + * If a periodic sweep find the counter at 2, it is decremented to 1. + * If the sweep find the counter at 1, the on-disk bit is cleared and the + * counter goes to zero. + * + * Also, we'll hijack the "map" pointer itself and use it as two 16 bit block + * counters as a fallback when "page" memory cannot be allocated: + * + * Normal case (page memory allocated): + * + * page pointer (32-bit) + * + * [ ] ------+ + * | + * +-------> [ ][ ]..[ ] (4096 byte page == 2048 counters) + * c1 c2 c2048 + * + * Hijacked case (page memory allocation failed): + * + * hijacked page pointer (32-bit) + * + * [ ][ ] (no page memory allocated) + * counter #1 (16-bit) counter #2 (16-bit) + * + */ + +#ifdef __KERNEL__ + +#define PAGE_BITS (PAGE_SIZE << 3) +#define PAGE_BIT_SHIFT (PAGE_SHIFT + 3) + +typedef __u16 bitmap_counter_t; +#define COUNTER_BITS 16 +#define COUNTER_BIT_SHIFT 4 +#define COUNTER_BYTE_RATIO (COUNTER_BITS / 8) +#define COUNTER_BYTE_SHIFT (COUNTER_BIT_SHIFT - 3) + +#define NEEDED_MASK ((bitmap_counter_t) (1 << (COUNTER_BITS - 1))) +#define RESYNC_MASK ((bitmap_counter_t) (1 << (COUNTER_BITS - 2))) +#define COUNTER_MAX ((bitmap_counter_t) RESYNC_MASK - 1) +#define NEEDED(x) (((bitmap_counter_t) x) & NEEDED_MASK) +#define RESYNC(x) (((bitmap_counter_t) x) & RESYNC_MASK) +#define COUNTER(x) (((bitmap_counter_t) x) & COUNTER_MAX) + +/* how many counters per page? */ +#define PAGE_COUNTER_RATIO (PAGE_BITS / COUNTER_BITS) +/* same, except a shift value for more efficient bitops */ +#define PAGE_COUNTER_SHIFT (PAGE_BIT_SHIFT - COUNTER_BIT_SHIFT) +/* same, except a mask value for more efficient bitops */ +#define PAGE_COUNTER_MASK (PAGE_COUNTER_RATIO - 1) + +#define BITMAP_BLOCK_SIZE 512 +#define BITMAP_BLOCK_SHIFT 9 + +/* how many blocks per chunk? (this is variable) */ +#define CHUNK_BLOCK_RATIO(bitmap) ((bitmap)->chunksize >> BITMAP_BLOCK_SHIFT) +#define CHUNK_BLOCK_SHIFT(bitmap) ((bitmap)->chunkshift - BITMAP_BLOCK_SHIFT) +#define CHUNK_BLOCK_MASK(bitmap) (CHUNK_BLOCK_RATIO(bitmap) - 1) + +/* when hijacked, the counters and bits represent even larger "chunks" */ +/* there will be 1024 chunks represented by each counter in the page pointers */ +#define PAGEPTR_BLOCK_RATIO(bitmap) \ + (CHUNK_BLOCK_RATIO(bitmap) << PAGE_COUNTER_SHIFT >> 1) +#define PAGEPTR_BLOCK_SHIFT(bitmap) \ + (CHUNK_BLOCK_SHIFT(bitmap) + PAGE_COUNTER_SHIFT - 1) +#define PAGEPTR_BLOCK_MASK(bitmap) (PAGEPTR_BLOCK_RATIO(bitmap) - 1) + +/* + * on-disk bitmap: + * + * Use one bit per "chunk" (block set). We do the disk I/O on the bitmap + * file a page at a time. There's a superblock at the start of the file. + */ + +/* map chunks (bits) to file pages - offset by the size of the superblock */ +#define CHUNK_BIT_OFFSET(chunk) ((chunk) + (sizeof(bitmap_super_t) << 3)) + +#endif + +/* + * bitmap structures: + */ + +#define BITMAP_MAGIC 0x6d746962 + +/* use these for bitmap->flags and bitmap->sb->state bit-fields */ +enum bitmap_state { + BITMAP_ACTIVE = 0x001, /* the bitmap is in use */ + BITMAP_STALE = 0x002 /* the bitmap file is out of date or had -EIO */ +}; + +/* the superblock at the front of the bitmap file -- little endian */ +typedef struct bitmap_super_s { + __u32 magic; /* 0 BITMAP_MAGIC */ + __u32 version; /* 4 the bitmap major for now, could change... */ + __u8 uuid[16]; /* 8 128 bit uuid - must match md device uuid */ + __u64 events; /* 24 event counter for the bitmap (1)*/ + __u64 events_cleared;/*32 event counter when last bit cleared (2) */ + __u64 sync_size; /* 40 the size of the md device's sync range(3) */ + __u32 state; /* 48 bitmap state information */ + __u32 chunksize; /* 52 the bitmap chunk size in bytes */ + __u32 daemon_sleep; /* 56 seconds between disk flushes */ + + __u8 pad[256 - 60]; /* set to zero */ +} bitmap_super_t; + +/* notes: + * (1) This event counter is updated before the eventcounter in the md superblock + * When a bitmap is loaded, it is only accepted if this event counter is equal + * to, or one greater than, the event counter in the superblock. + * (2) This event counter is updated when the other one is *if*and*only*if* the + * array is not degraded. As bits are not cleared when the array is degraded, + * this represents the last time that any bits were cleared. + * If a device is being added that has an event count with this value or + * higher, it is accepted as conforming to the bitmap. + * (3)This is the number of sectors represented by the bitmap, and is the range that + * resync happens across. For raid1 and raid5/6 it is the size of individual + * devices. For raid10 it is the size of the array. + */ + +#ifdef __KERNEL__ + +/* the in-memory bitmap is represented by bitmap_pages */ +struct bitmap_page { + /* + * map points to the actual memory page + */ + char *map; + /* + * in emergencies (when map cannot be alloced), hijack the map + * pointer and use it as two counters itself + */ + unsigned int hijacked:1; + /* + * count of dirty bits on the page + */ + unsigned int count:31; +}; + +/* keep track of bitmap file pages that have pending writes on them */ +struct page_list { + struct list_head list; + struct page *page; +}; + +/* the main bitmap structure - one per mddev */ +struct bitmap { + struct bitmap_page *bp; + unsigned long pages; /* total number of pages in the bitmap */ + unsigned long missing_pages; /* number of pages not yet allocated */ + + mddev_t *mddev; /* the md device that the bitmap is for */ + + int counter_bits; /* how many bits per block counter */ + + /* bitmap chunksize -- how much data does each bit represent? */ + unsigned long chunksize; + unsigned long chunkshift; /* chunksize = 2^chunkshift (for bitops) */ + unsigned long chunks; /* total number of data chunks for the array */ + + /* We hold a count on the chunk currently being synced, and drop + * it when the last block is started. If the resync is aborted + * midway, we need to be able to drop that count, so we remember + * the counted chunk.. + */ + unsigned long syncchunk; + + __u64 events_cleared; + + /* bitmap spinlock */ + spinlock_t lock; + + long offset; /* offset from superblock if file is NULL */ + struct file *file; /* backing disk file */ + struct page *sb_page; /* cached copy of the bitmap file superblock */ + struct page **filemap; /* list of cache pages for the file */ + unsigned long *filemap_attr; /* attributes associated w/ filemap pages */ + unsigned long file_pages; /* number of pages in the file */ + + unsigned long flags; + + /* + * the bitmap daemon - periodically wakes up and sweeps the bitmap + * file, cleaning up bits and flushing out pages to disk as necessary + */ + unsigned long daemon_lastrun; /* jiffies of last run */ + unsigned long daemon_sleep; /* how many seconds between updates? */ + + /* + * bitmap_writeback_daemon waits for file-pages that have been written, + * as there is no way to get a call-back when a page write completes. + */ + mdk_thread_t *writeback_daemon; + spinlock_t write_lock; + wait_queue_head_t write_wait; + struct list_head complete_pages; + mempool_t *write_pool; +}; + +/* the bitmap API */ + +/* these are used only by md/bitmap */ +int bitmap_create(mddev_t *mddev); +void bitmap_flush(mddev_t *mddev); +void bitmap_destroy(mddev_t *mddev); +int bitmap_active(struct bitmap *bitmap); + +char *file_path(struct file *file, char *buf, int count); +void bitmap_print_sb(struct bitmap *bitmap); +int bitmap_update_sb(struct bitmap *bitmap); + +int bitmap_setallbits(struct bitmap *bitmap); +void bitmap_write_all(struct bitmap *bitmap); + +/* these are exported */ +int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sectors); +void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long sectors, + int success); +int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks, int degraded); +void bitmap_end_sync(struct bitmap *bitmap, sector_t offset, int *blocks, int aborted); +void bitmap_close_sync(struct bitmap *bitmap); + +int bitmap_unplug(struct bitmap *bitmap); +int bitmap_daemon_work(struct bitmap *bitmap); +#endif + +#endif diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h index a6a67d102bf..ffa316ce4dc 100644 --- a/include/linux/raid/md.h +++ b/include/linux/raid/md.h @@ -60,7 +60,14 @@ */ #define MD_MAJOR_VERSION 0 #define MD_MINOR_VERSION 90 -#define MD_PATCHLEVEL_VERSION 1 +/* + * MD_PATCHLEVEL_VERSION indicates kernel functionality. + * >=1 means different superblock formats are selectable using SET_ARRAY_INFO + * and major_version/minor_version accordingly + * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT + * in the super status byte + */ +#define MD_PATCHLEVEL_VERSION 2 extern int register_md_personality (int p_num, mdk_personality_t *p); extern int unregister_md_personality (int p_num); @@ -69,7 +76,7 @@ extern mdk_thread_t * md_register_thread (void (*run) (mddev_t *mddev), extern void md_unregister_thread (mdk_thread_t *thread); extern void md_wakeup_thread(mdk_thread_t *thread); extern void md_check_recovery(mddev_t *mddev); -extern void md_write_start(mddev_t *mddev); +extern void md_write_start(mddev_t *mddev, struct bio *bi); extern void md_write_end(mddev_t *mddev); extern void md_handle_safemode(mddev_t *mddev); extern void md_done_sync(mddev_t *mddev, int blocks, int ok); @@ -78,6 +85,12 @@ extern void md_unplug_mddev(mddev_t *mddev); extern void md_print_devices (void); +extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev, + sector_t sector, int size, struct page *page); +extern int sync_page_io(struct block_device *bdev, sector_t sector, int size, + struct page *page, int rw); + + #define MD_BUG(x...) { printk("md: bug in file %s, line %d\n", __FILE__, __LINE__); md_print_devices(); } #endif diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h index c9a0d4013be..8c14ba565a4 100644 --- a/include/linux/raid/md_k.h +++ b/include/linux/raid/md_k.h @@ -15,6 +15,9 @@ #ifndef _MD_K_H #define _MD_K_H +/* and dm-bio-list.h is not under include/linux because.... ??? */ +#include "../../../drivers/md/dm-bio-list.h" + #define MD_RESERVED 0UL #define LINEAR 1UL #define RAID0 2UL @@ -180,6 +183,10 @@ struct mdk_rdev_s int desc_nr; /* descriptor index in the superblock */ int raid_disk; /* role of device in array */ + int saved_raid_disk; /* role that device used to have in the + * array and could again if we did a partial + * resync from the bitmap + */ atomic_t nr_pending; /* number of pending requests. * only maintained for arrays that @@ -252,6 +259,11 @@ struct mddev_s atomic_t recovery_active; /* blocks scheduled, but not written */ wait_queue_head_t recovery_wait; sector_t recovery_cp; + + spinlock_t write_lock; + wait_queue_head_t sb_wait; /* for waiting on superblock updates */ + atomic_t pending_writes; /* number of active superblock writes */ + unsigned int safemode; /* if set, update "clean" superblock * when no writes pending. */ @@ -260,6 +272,13 @@ struct mddev_s atomic_t writes_pending; request_queue_t *queue; /* for plugging ... */ + struct bitmap *bitmap; /* the bitmap for the device */ + struct file *bitmap_file; /* the bitmap file */ + long bitmap_offset; /* offset from superblock of + * start of bitmap. May be + * negative, but not '0' + */ + struct list_head all_mddevs; }; @@ -291,7 +310,7 @@ struct mdk_personality_s int (*hot_add_disk) (mddev_t *mddev, mdk_rdev_t *rdev); int (*hot_remove_disk) (mddev_t *mddev, int number); int (*spare_active) (mddev_t *mddev); - int (*sync_request)(mddev_t *mddev, sector_t sector_nr, int go_faster); + sector_t (*sync_request)(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster); int (*resize) (mddev_t *mddev, sector_t sectors); int (*reshape) (mddev_t *mddev, int raid_disks); int (*reconfig) (mddev_t *mddev, int layout, int chunk_size); @@ -334,6 +353,7 @@ typedef struct mdk_thread_s { unsigned long flags; struct completion *event; struct task_struct *tsk; + unsigned long timeout; const char *name; } mdk_thread_t; diff --git a/include/linux/raid/md_p.h b/include/linux/raid/md_p.h index 8ba95d67329..dc65cd43549 100644 --- a/include/linux/raid/md_p.h +++ b/include/linux/raid/md_p.h @@ -96,6 +96,7 @@ typedef struct mdp_device_descriptor_s { #define MD_SB_CLEAN 0 #define MD_SB_ERRORS 1 +#define MD_SB_BITMAP_PRESENT 8 /* bitmap may be present nearby */ typedef struct mdp_superblock_s { /* * Constant generic information @@ -184,7 +185,7 @@ struct mdp_superblock_1 { /* constant array information - 128 bytes */ __u32 magic; /* MD_SB_MAGIC: 0xa92b4efc - little endian */ __u32 major_version; /* 1 */ - __u32 feature_map; /* 0 for now */ + __u32 feature_map; /* bit 0 set if 'bitmap_offset' is meaningful */ __u32 pad0; /* always set to 0 when writing */ __u8 set_uuid[16]; /* user-space generated. */ @@ -197,7 +198,11 @@ struct mdp_superblock_1 { __u32 chunksize; /* in 512byte sectors */ __u32 raid_disks; - __u8 pad1[128-96]; /* set to 0 when written */ + __u32 bitmap_offset; /* sectors after start of superblock that bitmap starts + * NOTE: signed, so bitmap can be before superblock + * only meaningful of feature_map[0] is set. + */ + __u8 pad1[128-100]; /* set to 0 when written */ /* constant this-device information - 64 bytes */ __u64 data_offset; /* sector start of data, often 0 */ diff --git a/include/linux/raid/md_u.h b/include/linux/raid/md_u.h index a2df5c2a42a..81da20ccec4 100644 --- a/include/linux/raid/md_u.h +++ b/include/linux/raid/md_u.h @@ -23,6 +23,7 @@ #define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t) #define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13) #define RAID_AUTORUN _IO (MD_MAJOR, 0x14) +#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t) /* configuration */ #define CLEAR_ARRAY _IO (MD_MAJOR, 0x20) @@ -36,6 +37,7 @@ #define HOT_ADD_DISK _IO (MD_MAJOR, 0x28) #define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29) #define HOT_GENERATE_ERROR _IO (MD_MAJOR, 0x2a) +#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int) /* usage */ #define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t) @@ -106,6 +108,11 @@ typedef struct mdu_start_info_s { } mdu_start_info_t; +typedef struct mdu_bitmap_file_s +{ + char pathname[4096]; +} mdu_bitmap_file_t; + typedef struct mdu_param_s { int personality; /* 1,2,3,4 */ diff --git a/include/linux/raid/raid1.h b/include/linux/raid/raid1.h index abbfdd9afe1..9d93cf12e89 100644 --- a/include/linux/raid/raid1.h +++ b/include/linux/raid/raid1.h @@ -36,12 +36,21 @@ struct r1_private_data_s { spinlock_t device_lock; struct list_head retry_list; + /* queue pending writes and submit them on unplug */ + struct bio_list pending_bio_list; + /* queue of writes that have been unplugged */ + struct bio_list flushing_bio_list; + /* for use when syncing mirrors: */ spinlock_t resync_lock; - int nr_pending; - int barrier; + int nr_pending; + int barrier; sector_t next_resync; + int fullsync; /* set to 1 if a full sync is needed, + * (fresh device added). + * Cleared when a sync completes. + */ wait_queue_head_t wait_idle; wait_queue_head_t wait_resume; @@ -85,14 +94,17 @@ struct r1bio_s { int read_disk; struct list_head retry_list; + struct bitmap_update *bitmap_update; /* * if the IO is in WRITE direction, then multiple bios are used. * We choose the number when they are allocated. */ struct bio *bios[0]; + /* DO NOT PUT ANY NEW FIELDS HERE - bios array is contiguously alloced*/ }; /* bits for r1bio.state */ #define R1BIO_Uptodate 0 #define R1BIO_IsSync 1 +#define R1BIO_Degraded 2 #endif diff --git a/include/linux/reboot.h b/include/linux/reboot.h index d60fafc8bdc..3b3266ff1a9 100644 --- a/include/linux/reboot.h +++ b/include/linux/reboot.h @@ -51,6 +51,26 @@ extern void machine_restart(char *cmd); extern void machine_halt(void); extern void machine_power_off(void); +extern void machine_shutdown(void); +struct pt_regs; +extern void machine_crash_shutdown(struct pt_regs *); + +/* + * Architecture independent implemenations of sys_reboot commands. + */ + +extern void kernel_restart(char *cmd); +extern void kernel_halt(void); +extern void kernel_power_off(void); +extern void kernel_kexec(void); + +/* + * Emergency restart, callable from an interrupt handler. + */ + +extern void emergency_restart(void); +#include <asm/emergency-restart.h> + #endif #endif /* _LINUX_REBOOT_H */ diff --git a/include/linux/reiserfs_acl.h b/include/linux/reiserfs_acl.h index 2aef9c3f5ce..0a3605099c4 100644 --- a/include/linux/reiserfs_acl.h +++ b/include/linux/reiserfs_acl.h @@ -1,33 +1,32 @@ #include <linux/init.h> #include <linux/posix_acl.h> -#include <linux/xattr_acl.h> #define REISERFS_ACL_VERSION 0x0001 typedef struct { - __le16 e_tag; - __le16 e_perm; - __le32 e_id; + __le16 e_tag; + __le16 e_perm; + __le32 e_id; } reiserfs_acl_entry; typedef struct { - __le16 e_tag; - __le16 e_perm; + __le16 e_tag; + __le16 e_perm; } reiserfs_acl_entry_short; typedef struct { - __le32 a_version; + __le32 a_version; } reiserfs_acl_header; static inline size_t reiserfs_acl_size(int count) { if (count <= 4) { return sizeof(reiserfs_acl_header) + - count * sizeof(reiserfs_acl_entry_short); + count * sizeof(reiserfs_acl_entry_short); } else { return sizeof(reiserfs_acl_header) + - 4 * sizeof(reiserfs_acl_entry_short) + - (count - 4) * sizeof(reiserfs_acl_entry); + 4 * sizeof(reiserfs_acl_entry_short) + + (count - 4) * sizeof(reiserfs_acl_entry); } } @@ -47,14 +46,14 @@ static inline int reiserfs_acl_count(size_t size) } } - #ifdef CONFIG_REISERFS_FS_POSIX_ACL -struct posix_acl * reiserfs_get_acl(struct inode *inode, int type); -int reiserfs_acl_chmod (struct inode *inode); -int reiserfs_inherit_default_acl (struct inode *dir, struct dentry *dentry, struct inode *inode); -int reiserfs_cache_default_acl (struct inode *dir); -extern int reiserfs_xattr_posix_acl_init (void) __init; -extern int reiserfs_xattr_posix_acl_exit (void); +struct posix_acl *reiserfs_get_acl(struct inode *inode, int type); +int reiserfs_acl_chmod(struct inode *inode); +int reiserfs_inherit_default_acl(struct inode *dir, struct dentry *dentry, + struct inode *inode); +int reiserfs_cache_default_acl(struct inode *dir); +extern int reiserfs_xattr_posix_acl_init(void) __init; +extern int reiserfs_xattr_posix_acl_exit(void); extern struct reiserfs_xattr_handler posix_acl_default_handler; extern struct reiserfs_xattr_handler posix_acl_access_handler; #else @@ -62,28 +61,26 @@ extern struct reiserfs_xattr_handler posix_acl_access_handler; #define reiserfs_get_acl NULL #define reiserfs_cache_default_acl(inode) 0 -static inline int -reiserfs_xattr_posix_acl_init (void) +static inline int reiserfs_xattr_posix_acl_init(void) { - return 0; + return 0; } -static inline int -reiserfs_xattr_posix_acl_exit (void) +static inline int reiserfs_xattr_posix_acl_exit(void) { - return 0; + return 0; } -static inline int -reiserfs_acl_chmod (struct inode *inode) +static inline int reiserfs_acl_chmod(struct inode *inode) { - return 0; + return 0; } static inline int -reiserfs_inherit_default_acl (const struct inode *dir, struct dentry *dentry, struct inode *inode) +reiserfs_inherit_default_acl(const struct inode *dir, struct dentry *dentry, + struct inode *inode) { - return 0; + return 0; } #endif diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index 32148625fc2..17e458e17e2 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -3,11 +3,10 @@ */ /* this file has an amazingly stupid - name, yura please fix it to be - reiserfs.h, and merge all the rest - of our .h files that are in this - directory into it. */ - + name, yura please fix it to be + reiserfs.h, and merge all the rest + of our .h files that are in this + directory into it. */ #ifndef _LINUX_REISER_FS_H #define _LINUX_REISER_FS_H @@ -74,9 +73,9 @@ /* debug levels. Right now, CONFIG_REISERFS_CHECK means print all debug ** messages. */ -#define REISERFS_DEBUG_CODE 5 /* extra messages to help find/debug errors */ +#define REISERFS_DEBUG_CODE 5 /* extra messages to help find/debug errors */ -void reiserfs_warning (struct super_block *s, const char * fmt, ...); +void reiserfs_warning(struct super_block *s, const char *fmt, ...); /* assertions handling */ /** always check a condition and panic if it's false. */ @@ -105,82 +104,78 @@ if( !( cond ) ) \ * Structure of super block on disk, a version of which in RAM is often accessed as REISERFS_SB(s)->s_rs * the version in RAM is part of a larger structure containing fields never written to disk. */ -#define UNSET_HASH 0 // read_super will guess about, what hash names - // in directories were sorted with +#define UNSET_HASH 0 // read_super will guess about, what hash names + // in directories were sorted with #define TEA_HASH 1 #define YURA_HASH 2 #define R5_HASH 3 #define DEFAULT_HASH R5_HASH - struct journal_params { - __le32 jp_journal_1st_block; /* where does journal start from on its - * device */ - __le32 jp_journal_dev; /* journal device st_rdev */ - __le32 jp_journal_size; /* size of the journal */ - __le32 jp_journal_trans_max; /* max number of blocks in a transaction. */ - __le32 jp_journal_magic; /* random value made on fs creation (this - * was sb_journal_block_count) */ - __le32 jp_journal_max_batch; /* max number of blocks to batch into a - * trans */ - __le32 jp_journal_max_commit_age; /* in seconds, how old can an async - * commit be */ - __le32 jp_journal_max_trans_age; /* in seconds, how old can a transaction - * be */ + __le32 jp_journal_1st_block; /* where does journal start from on its + * device */ + __le32 jp_journal_dev; /* journal device st_rdev */ + __le32 jp_journal_size; /* size of the journal */ + __le32 jp_journal_trans_max; /* max number of blocks in a transaction. */ + __le32 jp_journal_magic; /* random value made on fs creation (this + * was sb_journal_block_count) */ + __le32 jp_journal_max_batch; /* max number of blocks to batch into a + * trans */ + __le32 jp_journal_max_commit_age; /* in seconds, how old can an async + * commit be */ + __le32 jp_journal_max_trans_age; /* in seconds, how old can a transaction + * be */ }; /* this is the super from 3.5.X, where X >= 10 */ -struct reiserfs_super_block_v1 -{ - __le32 s_block_count; /* blocks count */ - __le32 s_free_blocks; /* free blocks count */ - __le32 s_root_block; /* root block number */ - struct journal_params s_journal; - __le16 s_blocksize; /* block size */ - __le16 s_oid_maxsize; /* max size of object id array, see - * get_objectid() commentary */ - __le16 s_oid_cursize; /* current size of object id array */ - __le16 s_umount_state; /* this is set to 1 when filesystem was - * umounted, to 2 - when not */ - char s_magic[10]; /* reiserfs magic string indicates that - * file system is reiserfs: - * "ReIsErFs" or "ReIsEr2Fs" or "ReIsEr3Fs" */ - __le16 s_fs_state; /* it is set to used by fsck to mark which - * phase of rebuilding is done */ - __le32 s_hash_function_code; /* indicate, what hash function is being use - * to sort names in a directory*/ - __le16 s_tree_height; /* height of disk tree */ - __le16 s_bmap_nr; /* amount of bitmap blocks needed to address - * each block of file system */ - __le16 s_version; /* this field is only reliable on filesystem - * with non-standard journal */ - __le16 s_reserved_for_journal; /* size in blocks of journal area on main - * device, we need to keep after - * making fs with non-standard journal */ +struct reiserfs_super_block_v1 { + __le32 s_block_count; /* blocks count */ + __le32 s_free_blocks; /* free blocks count */ + __le32 s_root_block; /* root block number */ + struct journal_params s_journal; + __le16 s_blocksize; /* block size */ + __le16 s_oid_maxsize; /* max size of object id array, see + * get_objectid() commentary */ + __le16 s_oid_cursize; /* current size of object id array */ + __le16 s_umount_state; /* this is set to 1 when filesystem was + * umounted, to 2 - when not */ + char s_magic[10]; /* reiserfs magic string indicates that + * file system is reiserfs: + * "ReIsErFs" or "ReIsEr2Fs" or "ReIsEr3Fs" */ + __le16 s_fs_state; /* it is set to used by fsck to mark which + * phase of rebuilding is done */ + __le32 s_hash_function_code; /* indicate, what hash function is being use + * to sort names in a directory*/ + __le16 s_tree_height; /* height of disk tree */ + __le16 s_bmap_nr; /* amount of bitmap blocks needed to address + * each block of file system */ + __le16 s_version; /* this field is only reliable on filesystem + * with non-standard journal */ + __le16 s_reserved_for_journal; /* size in blocks of journal area on main + * device, we need to keep after + * making fs with non-standard journal */ } __attribute__ ((__packed__)); #define SB_SIZE_V1 (sizeof(struct reiserfs_super_block_v1)) /* this is the on disk super block */ -struct reiserfs_super_block -{ - struct reiserfs_super_block_v1 s_v1; - __le32 s_inode_generation; - __le32 s_flags; /* Right now used only by inode-attributes, if enabled */ - unsigned char s_uuid[16]; /* filesystem unique identifier */ - unsigned char s_label[16]; /* filesystem volume label */ - char s_unused[88] ; /* zero filled by mkreiserfs and - * reiserfs_convert_objectid_map_v1() - * so any additions must be updated - * there as well. */ -} __attribute__ ((__packed__)); +struct reiserfs_super_block { + struct reiserfs_super_block_v1 s_v1; + __le32 s_inode_generation; + __le32 s_flags; /* Right now used only by inode-attributes, if enabled */ + unsigned char s_uuid[16]; /* filesystem unique identifier */ + unsigned char s_label[16]; /* filesystem volume label */ + char s_unused[88]; /* zero filled by mkreiserfs and + * reiserfs_convert_objectid_map_v1() + * so any additions must be updated + * there as well. */ +} __attribute__ ((__packed__)); #define SB_SIZE (sizeof(struct reiserfs_super_block)) #define REISERFS_VERSION_1 0 #define REISERFS_VERSION_2 2 - // on-disk super block fields converted to cpu form #define SB_DISK_SUPER_BLOCK(s) (REISERFS_SB(s)->s_rs) #define SB_V1_DISK_SUPER_BLOCK(s) (&(SB_DISK_SUPER_BLOCK(s)->s_v1)) @@ -210,13 +205,12 @@ struct reiserfs_super_block #define PUT_SB_TREE_HEIGHT(s, val) \ do { SB_V1_DISK_SUPER_BLOCK(s)->s_tree_height = cpu_to_le16(val); } while (0) #define PUT_SB_REISERFS_STATE(s, val) \ - do { SB_V1_DISK_SUPER_BLOCK(s)->s_umount_state = cpu_to_le16(val); } while (0) + do { SB_V1_DISK_SUPER_BLOCK(s)->s_umount_state = cpu_to_le16(val); } while (0) #define PUT_SB_VERSION(s, val) \ do { SB_V1_DISK_SUPER_BLOCK(s)->s_version = cpu_to_le16(val); } while (0) #define PUT_SB_BMAP_NR(s, val) \ do { SB_V1_DISK_SUPER_BLOCK(s)->s_bmap_nr = cpu_to_le16 (val); } while (0) - #define SB_ONDISK_JP(s) (&SB_V1_DISK_SUPER_BLOCK(s)->s_journal) #define SB_ONDISK_JOURNAL_SIZE(s) \ le32_to_cpu ((SB_ONDISK_JP(s)->jp_journal_size)) @@ -231,21 +225,19 @@ struct reiserfs_super_block block >= SB_JOURNAL_1st_RESERVED_BLOCK(s) \ && block < SB_JOURNAL_1st_RESERVED_BLOCK(s) + \ ((!is_reiserfs_jr(SB_DISK_SUPER_BLOCK(s)) ? \ - SB_ONDISK_JOURNAL_SIZE(s) + 1 : SB_ONDISK_RESERVED_FOR_JOURNAL(s))) - - + SB_ONDISK_JOURNAL_SIZE(s) + 1 : SB_ONDISK_RESERVED_FOR_JOURNAL(s))) /* used by gcc */ #define REISERFS_SUPER_MAGIC 0x52654973 /* used by file system utilities that - look at the superblock, etc. */ + look at the superblock, etc. */ #define REISERFS_SUPER_MAGIC_STRING "ReIsErFs" #define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs" #define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs" -int is_reiserfs_3_5 (struct reiserfs_super_block * rs); -int is_reiserfs_3_6 (struct reiserfs_super_block * rs); -int is_reiserfs_jr (struct reiserfs_super_block * rs); +int is_reiserfs_3_5(struct reiserfs_super_block *rs); +int is_reiserfs_3_6(struct reiserfs_super_block *rs); +int is_reiserfs_jr(struct reiserfs_super_block *rs); /* ReiserFS leaves the first 64k unused, so that partition labels have enough space. If someone wants to write a fancy bootloader that @@ -272,8 +264,8 @@ typedef __u32 b_blocknr_t; typedef __le32 unp_t; struct unfm_nodeinfo { - unp_t unfm_nodenum; - unsigned short unfm_freespace; + unp_t unfm_nodenum; + unsigned short unfm_freespace; }; /* there are two formats of keys: 3.5 and 3.6 @@ -285,7 +277,6 @@ struct unfm_nodeinfo { #define STAT_DATA_V1 0 #define STAT_DATA_V2 1 - static inline struct reiserfs_inode_info *REISERFS_I(const struct inode *inode) { return container_of(inode, struct reiserfs_inode_info, vfs_inode); @@ -343,15 +334,13 @@ static inline struct reiserfs_sb_info *REISERFS_SB(const struct super_block *sb) file would fit into one DIRECT item. Primary intention for this one is to increase performance by decreasing seeking. -*/ +*/ #define STORE_TAIL_IN_UNFM_S2(n_file_size,n_tail_size,n_block_size) \ (\ (!(n_tail_size)) || \ (((n_file_size) > MAX_DIRECT_ITEM_LEN(n_block_size)) ) \ ) - - /* * values for s_umount_state field */ @@ -364,9 +353,9 @@ static inline struct reiserfs_sb_info *REISERFS_SB(const struct super_block *sb) #define TYPE_STAT_DATA 0 #define TYPE_INDIRECT 1 #define TYPE_DIRECT 2 -#define TYPE_DIRENTRY 3 -#define TYPE_MAXTYPE 3 -#define TYPE_ANY 15 // FIXME: comment is required +#define TYPE_DIRENTRY 3 +#define TYPE_MAXTYPE 3 +#define TYPE_ANY 15 // FIXME: comment is required /***************************************************************************/ /* KEY & ITEM HEAD */ @@ -376,60 +365,62 @@ static inline struct reiserfs_sb_info *REISERFS_SB(const struct super_block *sb) // directories use this key as well as old files // struct offset_v1 { - __le32 k_offset; - __le32 k_uniqueness; + __le32 k_offset; + __le32 k_uniqueness; } __attribute__ ((__packed__)); struct offset_v2 { __le64 v; } __attribute__ ((__packed__)); -static inline __u16 offset_v2_k_type( const struct offset_v2 *v2 ) +static inline __u16 offset_v2_k_type(const struct offset_v2 *v2) { __u8 type = le64_to_cpu(v2->v) >> 60; - return (type <= TYPE_MAXTYPE)?type:TYPE_ANY; + return (type <= TYPE_MAXTYPE) ? type : TYPE_ANY; } - -static inline void set_offset_v2_k_type( struct offset_v2 *v2, int type ) + +static inline void set_offset_v2_k_type(struct offset_v2 *v2, int type) { - v2->v = (v2->v & cpu_to_le64(~0ULL>>4)) | cpu_to_le64((__u64)type<<60); + v2->v = + (v2->v & cpu_to_le64(~0ULL >> 4)) | cpu_to_le64((__u64) type << 60); } - -static inline loff_t offset_v2_k_offset( const struct offset_v2 *v2 ) + +static inline loff_t offset_v2_k_offset(const struct offset_v2 *v2) { - return le64_to_cpu(v2->v) & (~0ULL>>4); + return le64_to_cpu(v2->v) & (~0ULL >> 4); } -static inline void set_offset_v2_k_offset( struct offset_v2 *v2, loff_t offset ){ - offset &= (~0ULL>>4); - v2->v = (v2->v & cpu_to_le64(15ULL<<60)) | cpu_to_le64(offset); +static inline void set_offset_v2_k_offset(struct offset_v2 *v2, loff_t offset) +{ + offset &= (~0ULL >> 4); + v2->v = (v2->v & cpu_to_le64(15ULL << 60)) | cpu_to_le64(offset); } /* Key of an item determines its location in the S+tree, and is composed of 4 components */ struct reiserfs_key { - __le32 k_dir_id; /* packing locality: by default parent - directory object id */ - __le32 k_objectid; /* object identifier */ - union { - struct offset_v1 k_offset_v1; - struct offset_v2 k_offset_v2; - } __attribute__ ((__packed__)) u; + __le32 k_dir_id; /* packing locality: by default parent + directory object id */ + __le32 k_objectid; /* object identifier */ + union { + struct offset_v1 k_offset_v1; + struct offset_v2 k_offset_v2; + } __attribute__ ((__packed__)) u; } __attribute__ ((__packed__)); struct in_core_key { - __u32 k_dir_id; /* packing locality: by default parent - directory object id */ - __u32 k_objectid; /* object identifier */ - __u64 k_offset; - __u8 k_type; + __u32 k_dir_id; /* packing locality: by default parent + directory object id */ + __u32 k_objectid; /* object identifier */ + __u64 k_offset; + __u8 k_type; }; struct cpu_key { - struct in_core_key on_disk_key; - int version; - int key_length; /* 3 in all cases but direct2indirect and - indirect2direct conversion */ + struct in_core_key on_disk_key; + int version; + int key_length; /* 3 in all cases but direct2indirect and + indirect2direct conversion */ }; /* Our function for comparing keys can compare keys of different @@ -475,8 +466,7 @@ struct cpu_key { indirect items) and specifies the location of the item itself within the block. */ -struct item_head -{ +struct item_head { /* Everything in the tree is found by searching for it based on * its key.*/ struct reiserfs_key ih_key; @@ -492,13 +482,13 @@ struct item_head number of directory entries in the directory item. */ __le16 ih_entry_count; } __attribute__ ((__packed__)) u; - __le16 ih_item_len; /* total size of the item body */ - __le16 ih_item_location; /* an offset to the item body - * within the block */ - __le16 ih_version; /* 0 for all old items, 2 for new - ones. Highest bit is set by fsck - temporary, cleaned after all - done */ + __le16 ih_item_len; /* total size of the item body */ + __le16 ih_item_location; /* an offset to the item body + * within the block */ + __le16 ih_version; /* 0 for all old items, 2 for new + ones. Highest bit is set by fsck + temporary, cleaned after all + done */ } __attribute__ ((__packed__)); /* size of item header */ #define IH_SIZE (sizeof(struct item_head)) @@ -515,7 +505,6 @@ struct item_head #define put_ih_location(ih, val) do { (ih)->ih_item_location = cpu_to_le16(val); } while (0) #define put_ih_item_len(ih, val) do { (ih)->ih_item_len = cpu_to_le16(val); } while (0) - #define unreachable_item(ih) (ih_version(ih) & (1 << 15)) #define get_ih_free_space(ih) (ih_version (ih) == KEY_FORMAT_3_6 ? 0 : ih_free_space (ih)) @@ -537,40 +526,48 @@ struct item_head #define V1_INDIRECT_UNIQUENESS 0xfffffffe #define V1_DIRECT_UNIQUENESS 0xffffffff #define V1_DIRENTRY_UNIQUENESS 500 -#define V1_ANY_UNIQUENESS 555 // FIXME: comment is required +#define V1_ANY_UNIQUENESS 555 // FIXME: comment is required // // here are conversion routines // -static inline int uniqueness2type (__u32 uniqueness) CONSTF; -static inline int uniqueness2type (__u32 uniqueness) +static inline int uniqueness2type(__u32 uniqueness) CONSTF; +static inline int uniqueness2type(__u32 uniqueness) { - switch ((int)uniqueness) { - case V1_SD_UNIQUENESS: return TYPE_STAT_DATA; - case V1_INDIRECT_UNIQUENESS: return TYPE_INDIRECT; - case V1_DIRECT_UNIQUENESS: return TYPE_DIRECT; - case V1_DIRENTRY_UNIQUENESS: return TYPE_DIRENTRY; - default: - reiserfs_warning (NULL, "vs-500: unknown uniqueness %d", - uniqueness); + switch ((int)uniqueness) { + case V1_SD_UNIQUENESS: + return TYPE_STAT_DATA; + case V1_INDIRECT_UNIQUENESS: + return TYPE_INDIRECT; + case V1_DIRECT_UNIQUENESS: + return TYPE_DIRECT; + case V1_DIRENTRY_UNIQUENESS: + return TYPE_DIRENTRY; + default: + reiserfs_warning(NULL, "vs-500: unknown uniqueness %d", + uniqueness); case V1_ANY_UNIQUENESS: - return TYPE_ANY; - } + return TYPE_ANY; + } } -static inline __u32 type2uniqueness (int type) CONSTF; -static inline __u32 type2uniqueness (int type) +static inline __u32 type2uniqueness(int type) CONSTF; +static inline __u32 type2uniqueness(int type) { - switch (type) { - case TYPE_STAT_DATA: return V1_SD_UNIQUENESS; - case TYPE_INDIRECT: return V1_INDIRECT_UNIQUENESS; - case TYPE_DIRECT: return V1_DIRECT_UNIQUENESS; - case TYPE_DIRENTRY: return V1_DIRENTRY_UNIQUENESS; - default: - reiserfs_warning (NULL, "vs-501: unknown type %d", type); + switch (type) { + case TYPE_STAT_DATA: + return V1_SD_UNIQUENESS; + case TYPE_INDIRECT: + return V1_INDIRECT_UNIQUENESS; + case TYPE_DIRECT: + return V1_DIRECT_UNIQUENESS; + case TYPE_DIRENTRY: + return V1_DIRENTRY_UNIQUENESS; + default: + reiserfs_warning(NULL, "vs-501: unknown type %d", type); case TYPE_ANY: - return V1_ANY_UNIQUENESS; - } + return V1_ANY_UNIQUENESS; + } } // @@ -578,57 +575,56 @@ static inline __u32 type2uniqueness (int type) // there is no way to get version of object from key, so, provide // version to these defines // -static inline loff_t le_key_k_offset (int version, const struct reiserfs_key * key) +static inline loff_t le_key_k_offset(int version, + const struct reiserfs_key *key) { - return (version == KEY_FORMAT_3_5) ? - le32_to_cpu( key->u.k_offset_v1.k_offset ) : - offset_v2_k_offset( &(key->u.k_offset_v2) ); + return (version == KEY_FORMAT_3_5) ? + le32_to_cpu(key->u.k_offset_v1.k_offset) : + offset_v2_k_offset(&(key->u.k_offset_v2)); } -static inline loff_t le_ih_k_offset (const struct item_head * ih) +static inline loff_t le_ih_k_offset(const struct item_head *ih) { - return le_key_k_offset (ih_version (ih), &(ih->ih_key)); + return le_key_k_offset(ih_version(ih), &(ih->ih_key)); } -static inline loff_t le_key_k_type (int version, const struct reiserfs_key * key) +static inline loff_t le_key_k_type(int version, const struct reiserfs_key *key) { - return (version == KEY_FORMAT_3_5) ? - uniqueness2type( le32_to_cpu( key->u.k_offset_v1.k_uniqueness)) : - offset_v2_k_type( &(key->u.k_offset_v2) ); + return (version == KEY_FORMAT_3_5) ? + uniqueness2type(le32_to_cpu(key->u.k_offset_v1.k_uniqueness)) : + offset_v2_k_type(&(key->u.k_offset_v2)); } -static inline loff_t le_ih_k_type (const struct item_head * ih) +static inline loff_t le_ih_k_type(const struct item_head *ih) { - return le_key_k_type (ih_version (ih), &(ih->ih_key)); + return le_key_k_type(ih_version(ih), &(ih->ih_key)); } - -static inline void set_le_key_k_offset (int version, struct reiserfs_key * key, loff_t offset) +static inline void set_le_key_k_offset(int version, struct reiserfs_key *key, + loff_t offset) { - (version == KEY_FORMAT_3_5) ? - (void)(key->u.k_offset_v1.k_offset = cpu_to_le32 (offset)) : /* jdm check */ - (void)(set_offset_v2_k_offset( &(key->u.k_offset_v2), offset )); + (version == KEY_FORMAT_3_5) ? (void)(key->u.k_offset_v1.k_offset = cpu_to_le32(offset)) : /* jdm check */ + (void)(set_offset_v2_k_offset(&(key->u.k_offset_v2), offset)); } - -static inline void set_le_ih_k_offset (struct item_head * ih, loff_t offset) +static inline void set_le_ih_k_offset(struct item_head *ih, loff_t offset) { - set_le_key_k_offset (ih_version (ih), &(ih->ih_key), offset); + set_le_key_k_offset(ih_version(ih), &(ih->ih_key), offset); } - -static inline void set_le_key_k_type (int version, struct reiserfs_key * key, int type) +static inline void set_le_key_k_type(int version, struct reiserfs_key *key, + int type) { - (version == KEY_FORMAT_3_5) ? - (void)(key->u.k_offset_v1.k_uniqueness = cpu_to_le32(type2uniqueness(type))): - (void)(set_offset_v2_k_type( &(key->u.k_offset_v2), type )); + (version == KEY_FORMAT_3_5) ? + (void)(key->u.k_offset_v1.k_uniqueness = + cpu_to_le32(type2uniqueness(type))) + : (void)(set_offset_v2_k_type(&(key->u.k_offset_v2), type)); } -static inline void set_le_ih_k_type (struct item_head * ih, int type) +static inline void set_le_ih_k_type(struct item_head *ih, int type) { - set_le_key_k_type (ih_version (ih), &(ih->ih_key), type); + set_le_key_k_type(ih_version(ih), &(ih->ih_key), type); } - #define is_direntry_le_key(version,key) (le_key_k_type (version, key) == TYPE_DIRENTRY) #define is_direct_le_key(version,key) (le_key_k_type (version, key) == TYPE_DIRECT) #define is_indirect_le_key(version,key) (le_key_k_type (version, key) == TYPE_INDIRECT) @@ -642,34 +638,32 @@ static inline void set_le_ih_k_type (struct item_head * ih, int type) #define is_indirect_le_ih(ih) is_indirect_le_key (ih_version(ih), &((ih)->ih_key)) #define is_statdata_le_ih(ih) is_statdata_le_key (ih_version (ih), &((ih)->ih_key)) - - // // key is pointer to cpu key, result is cpu // -static inline loff_t cpu_key_k_offset (const struct cpu_key * key) +static inline loff_t cpu_key_k_offset(const struct cpu_key *key) { - return key->on_disk_key.k_offset; + return key->on_disk_key.k_offset; } -static inline loff_t cpu_key_k_type (const struct cpu_key * key) +static inline loff_t cpu_key_k_type(const struct cpu_key *key) { - return key->on_disk_key.k_type; + return key->on_disk_key.k_type; } -static inline void set_cpu_key_k_offset (struct cpu_key * key, loff_t offset) +static inline void set_cpu_key_k_offset(struct cpu_key *key, loff_t offset) { key->on_disk_key.k_offset = offset; } -static inline void set_cpu_key_k_type (struct cpu_key * key, int type) +static inline void set_cpu_key_k_type(struct cpu_key *key, int type) { key->on_disk_key.k_type = type; } -static inline void cpu_key_k_offset_dec (struct cpu_key * key) +static inline void cpu_key_k_offset_dec(struct cpu_key *key) { - key->on_disk_key.k_offset --; + key->on_disk_key.k_offset--; } #define is_direntry_cpu_key(key) (cpu_key_k_type (key) == TYPE_DIRENTRY) @@ -677,34 +671,25 @@ static inline void cpu_key_k_offset_dec (struct cpu_key * key) #define is_indirect_cpu_key(key) (cpu_key_k_type (key) == TYPE_INDIRECT) #define is_statdata_cpu_key(key) (cpu_key_k_type (key) == TYPE_STAT_DATA) - /* are these used ? */ #define is_direntry_cpu_ih(ih) (is_direntry_cpu_key (&((ih)->ih_key))) #define is_direct_cpu_ih(ih) (is_direct_cpu_key (&((ih)->ih_key))) #define is_indirect_cpu_ih(ih) (is_indirect_cpu_key (&((ih)->ih_key))) #define is_statdata_cpu_ih(ih) (is_statdata_cpu_key (&((ih)->ih_key))) - - - - #define I_K_KEY_IN_ITEM(p_s_ih, p_s_key, n_blocksize) \ ( ! COMP_SHORT_KEYS(p_s_ih, p_s_key) && \ I_OFF_BYTE_IN_ITEM(p_s_ih, k_offset (p_s_key), n_blocksize) ) -/* maximal length of item */ +/* maximal length of item */ #define MAX_ITEM_LEN(block_size) (block_size - BLKH_SIZE - IH_SIZE) #define MIN_ITEM_LEN 1 - /* object identifier for root dir */ #define REISERFS_ROOT_OBJECTID 2 #define REISERFS_ROOT_PARENT_OBJECTID 1 extern struct reiserfs_key root_key; - - - /* * Picture represents a leaf of the S+tree * ______________________________________________________ @@ -716,13 +701,13 @@ extern struct reiserfs_key root_key; /* Header of a disk block. More precisely, header of a formatted leaf or internal node, and not the header of an unformatted node. */ -struct block_head { - __le16 blk_level; /* Level of a block in the tree. */ - __le16 blk_nr_item; /* Number of keys/items in a block. */ - __le16 blk_free_space; /* Block free space in bytes. */ - __le16 blk_reserved; - /* dump this in v4/planA */ - struct reiserfs_key blk_right_delim_key; /* kept only for compatibility */ +struct block_head { + __le16 blk_level; /* Level of a block in the tree. */ + __le16 blk_nr_item; /* Number of keys/items in a block. */ + __le16 blk_free_space; /* Block free space in bytes. */ + __le16 blk_reserved; + /* dump this in v4/planA */ + struct reiserfs_key blk_right_delim_key; /* kept only for compatibility */ }; #define BLKH_SIZE (sizeof(struct block_head)) @@ -741,12 +726,12 @@ struct block_head { * values for blk_level field of the struct block_head */ -#define FREE_LEVEL 0 /* when node gets removed from the tree its - blk_level is set to FREE_LEVEL. It is then - used to see whether the node is still in the - tree */ +#define FREE_LEVEL 0 /* when node gets removed from the tree its + blk_level is set to FREE_LEVEL. It is then + used to see whether the node is still in the + tree */ -#define DISK_LEAF_NODE_LEVEL 1 /* Leaf node level.*/ +#define DISK_LEAF_NODE_LEVEL 1 /* Leaf node level. */ /* Given the buffer head of a formatted node, resolve to the block head of that node. */ #define B_BLK_HEAD(p_s_bh) ((struct block_head *)((p_s_bh)->b_data)) @@ -759,7 +744,6 @@ struct block_head { #define PUT_B_LEVEL(p_s_bh,val) do { set_blkh_level(B_BLK_HEAD(p_s_bh),val); } while (0) #define PUT_B_FREE_SPACE(p_s_bh,val) do { set_blkh_free_space(B_BLK_HEAD(p_s_bh),val); } while (0) - /* Get right delimiting key. -- little endian */ #define B_PRIGHT_DELIM_KEY(p_s_bh) (&(blk_right_delim_key(B_BLK_HEAD(p_s_bh)) @@ -770,41 +754,36 @@ struct block_head { #define B_IS_KEYS_LEVEL(p_s_bh) (B_LEVEL(p_s_bh) > DISK_LEAF_NODE_LEVEL \ && B_LEVEL(p_s_bh) <= MAX_HEIGHT) - - - /***************************************************************************/ /* STAT DATA */ /***************************************************************************/ - // // old stat data is 32 bytes long. We are going to distinguish new one by // different size // -struct stat_data_v1 -{ - __le16 sd_mode; /* file type, permissions */ - __le16 sd_nlink; /* number of hard links */ - __le16 sd_uid; /* owner */ - __le16 sd_gid; /* group */ - __le32 sd_size; /* file size */ - __le32 sd_atime; /* time of last access */ - __le32 sd_mtime; /* time file was last modified */ - __le32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */ - union { - __le32 sd_rdev; - __le32 sd_blocks; /* number of blocks file uses */ - } __attribute__ ((__packed__)) u; - __le32 sd_first_direct_byte; /* first byte of file which is stored - in a direct item: except that if it - equals 1 it is a symlink and if it - equals ~(__u32)0 there is no - direct item. The existence of this - field really grates on me. Let's - replace it with a macro based on - sd_size and our tail suppression - policy. Someday. -Hans */ +struct stat_data_v1 { + __le16 sd_mode; /* file type, permissions */ + __le16 sd_nlink; /* number of hard links */ + __le16 sd_uid; /* owner */ + __le16 sd_gid; /* group */ + __le32 sd_size; /* file size */ + __le32 sd_atime; /* time of last access */ + __le32 sd_mtime; /* time file was last modified */ + __le32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */ + union { + __le32 sd_rdev; + __le32 sd_blocks; /* number of blocks file uses */ + } __attribute__ ((__packed__)) u; + __le32 sd_first_direct_byte; /* first byte of file which is stored + in a direct item: except that if it + equals 1 it is a symlink and if it + equals ~(__u32)0 there is no + direct item. The existence of this + field really grates on me. Let's + replace it with a macro based on + sd_size and our tail suppression + policy. Someday. -Hans */ } __attribute__ ((__packed__)); #define SD_V1_SIZE (sizeof(struct stat_data_v1)) @@ -862,29 +841,29 @@ struct stat_data_v1 /* Stat Data on disk (reiserfs version of UFS disk inode minus the address blocks) */ struct stat_data { - __le16 sd_mode; /* file type, permissions */ - __le16 sd_attrs; /* persistent inode flags */ - __le32 sd_nlink; /* number of hard links */ - __le64 sd_size; /* file size */ - __le32 sd_uid; /* owner */ - __le32 sd_gid; /* group */ - __le32 sd_atime; /* time of last access */ - __le32 sd_mtime; /* time file was last modified */ - __le32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */ - __le32 sd_blocks; - union { - __le32 sd_rdev; - __le32 sd_generation; - //__le32 sd_first_direct_byte; - /* first byte of file which is stored in a - direct item: except that if it equals 1 - it is a symlink and if it equals - ~(__u32)0 there is no direct item. The - existence of this field really grates - on me. Let's replace it with a macro - based on sd_size and our tail - suppression policy? */ - } __attribute__ ((__packed__)) u; + __le16 sd_mode; /* file type, permissions */ + __le16 sd_attrs; /* persistent inode flags */ + __le32 sd_nlink; /* number of hard links */ + __le64 sd_size; /* file size */ + __le32 sd_uid; /* owner */ + __le32 sd_gid; /* group */ + __le32 sd_atime; /* time of last access */ + __le32 sd_mtime; /* time file was last modified */ + __le32 sd_ctime; /* time inode (stat data) was last changed (except changes to sd_atime and sd_mtime) */ + __le32 sd_blocks; + union { + __le32 sd_rdev; + __le32 sd_generation; + //__le32 sd_first_direct_byte; + /* first byte of file which is stored in a + direct item: except that if it equals 1 + it is a symlink and if it equals + ~(__u32)0 there is no direct item. The + existence of this field really grates + on me. Let's replace it with a macro + based on sd_size and our tail + suppression policy? */ + } __attribute__ ((__packed__)) u; } __attribute__ ((__packed__)); // // this is 44 bytes long @@ -919,7 +898,6 @@ struct stat_data { #define sd_v2_attrs(sdp) (le16_to_cpu((sdp)->sd_attrs)) #define set_sd_v2_attrs(sdp,v) ((sdp)->sd_attrs = cpu_to_le16(v)) - /***************************************************************************/ /* DIRECTORY STRUCTURE */ /***************************************************************************/ @@ -954,17 +932,14 @@ struct stat_data { /* NOT IMPLEMENTED: Directory will someday contain stat data of object */ - - -struct reiserfs_de_head -{ - __le32 deh_offset; /* third component of the directory entry key */ - __le32 deh_dir_id; /* objectid of the parent directory of the object, that is referenced - by directory entry */ - __le32 deh_objectid; /* objectid of the object, that is referenced by directory entry */ - __le16 deh_location; /* offset of name in the whole item */ - __le16 deh_state; /* whether 1) entry contains stat data (for future), and 2) whether - entry is hidden (unlinked) */ +struct reiserfs_de_head { + __le32 deh_offset; /* third component of the directory entry key */ + __le32 deh_dir_id; /* objectid of the parent directory of the object, that is referenced + by directory entry */ + __le32 deh_objectid; /* objectid of the object, that is referenced by directory entry */ + __le16 deh_location; /* offset of name in the whole item */ + __le16 deh_state; /* whether 1) entry contains stat data (for future), and 2) whether + entry is hidden (unlinked) */ } __attribute__ ((__packed__)); #define DEH_SIZE sizeof(struct reiserfs_de_head) #define deh_offset(p_deh) (le32_to_cpu((p_deh)->deh_offset)) @@ -986,7 +961,7 @@ struct reiserfs_de_head /* old format directories have this size when empty */ #define EMPTY_DIR_SIZE_V1 (DEH_SIZE * 2 + 3) -#define DEH_Statdata 0 /* not used now */ +#define DEH_Statdata 0 /* not used now */ #define DEH_Visible 2 /* 64 bit systems (and the S/390) need to be aligned explicitly -jdm */ @@ -1023,10 +998,10 @@ struct reiserfs_de_head #define de_visible(deh) test_bit_unaligned (DEH_Visible, &((deh)->deh_state)) #define de_hidden(deh) !test_bit_unaligned (DEH_Visible, &((deh)->deh_state)) -extern void make_empty_dir_item_v1 (char * body, __le32 dirid, __le32 objid, - __le32 par_dirid, __le32 par_objid); -extern void make_empty_dir_item (char * body, __le32 dirid, __le32 objid, - __le32 par_dirid, __le32 par_objid); +extern void make_empty_dir_item_v1(char *body, __le32 dirid, __le32 objid, + __le32 par_dirid, __le32 par_objid); +extern void make_empty_dir_item(char *body, __le32 dirid, __le32 objid, + __le32 par_dirid, __le32 par_objid); /* array of the entry headers */ /* get item body */ @@ -1043,53 +1018,48 @@ extern void make_empty_dir_item (char * body, __le32 dirid, __le32 objid, #define I_DEH_N_ENTRY_LENGTH(ih,deh,i) \ ((i) ? (deh_location((deh)-1) - deh_location((deh))) : (ih_item_len((ih)) - deh_location((deh)))) */ -static inline int entry_length (const struct buffer_head * bh, - const struct item_head * ih, int pos_in_item) +static inline int entry_length(const struct buffer_head *bh, + const struct item_head *ih, int pos_in_item) { - struct reiserfs_de_head * deh; + struct reiserfs_de_head *deh; - deh = B_I_DEH (bh, ih) + pos_in_item; - if (pos_in_item) - return deh_location(deh-1) - deh_location(deh); + deh = B_I_DEH(bh, ih) + pos_in_item; + if (pos_in_item) + return deh_location(deh - 1) - deh_location(deh); - return ih_item_len(ih) - deh_location(deh); + return ih_item_len(ih) - deh_location(deh); } - - /* number of entries in the directory item, depends on ENTRY_COUNT being at the start of directory dynamic data. */ #define I_ENTRY_COUNT(ih) (ih_entry_count((ih))) - /* name by bh, ih and entry_num */ #define B_I_E_NAME(bh,ih,entry_num) ((char *)(bh->b_data + ih_location(ih) + deh_location(B_I_DEH(bh,ih)+(entry_num)))) // two entries per block (at least) #define REISERFS_MAX_NAME(block_size) 255 - /* this structure is used for operations on directory entries. It is not a disk structure. */ /* When reiserfs_find_entry or search_by_entry_key find directory entry, they return filled reiserfs_dir_entry structure */ -struct reiserfs_dir_entry -{ - struct buffer_head * de_bh; - int de_item_num; - struct item_head * de_ih; - int de_entry_num; - struct reiserfs_de_head * de_deh; - int de_entrylen; - int de_namelen; - char * de_name; - char * de_gen_number_bit_string; - - __u32 de_dir_id; - __u32 de_objectid; - - struct cpu_key de_entry_key; +struct reiserfs_dir_entry { + struct buffer_head *de_bh; + int de_item_num; + struct item_head *de_ih; + int de_entry_num; + struct reiserfs_de_head *de_deh; + int de_entrylen; + int de_namelen; + char *de_name; + char *de_gen_number_bit_string; + + __u32 de_dir_id; + __u32 de_objectid; + + struct cpu_key de_entry_key; }; - + /* these defines are useful when a particular member of a reiserfs_dir_entry is needed */ /* pointer to file name, stored in entry */ @@ -1099,8 +1069,6 @@ struct reiserfs_dir_entry #define I_DEH_N_ENTRY_FILE_NAME_LENGTH(ih,deh,entry_num) \ (I_DEH_N_ENTRY_LENGTH (ih, deh, entry_num) - (de_with_sd (deh) ? SD_SIZE : 0)) - - /* hash value occupies bits from 7 up to 30 */ #define GET_HASH_VALUE(offset) ((offset) & 0x7fffff80LL) /* generation number occupies 7 bits starting from 0 up to 6 */ @@ -1109,7 +1077,6 @@ struct reiserfs_dir_entry #define SET_GENERATION_NUMBER(offset,gen_number) (GET_HASH_VALUE(offset)|(gen_number)) - /* * Picture represents an internal node of the reiserfs tree * ______________________________________________________ @@ -1125,9 +1092,9 @@ struct reiserfs_dir_entry /* Disk child pointer: The pointer from an internal node of the tree to a node that is on disk. */ struct disk_child { - __le32 dc_block_number; /* Disk child's block number. */ - __le16 dc_size; /* Disk child's used space. */ - __le16 dc_reserved; + __le32 dc_block_number; /* Disk child's block number. */ + __le16 dc_size; /* Disk child's used space. */ + __le16 dc_reserved; }; #define DC_SIZE (sizeof(struct disk_child)) @@ -1144,7 +1111,7 @@ struct disk_child { #define B_N_CHILD_NUM(p_s_bh,n_pos) (dc_block_number(B_N_CHILD(p_s_bh,n_pos))) #define PUT_B_N_CHILD_NUM(p_s_bh,n_pos, val) (put_dc_block_number(B_N_CHILD(p_s_bh,n_pos), val )) - /* maximal value of field child_size in structure disk_child */ + /* maximal value of field child_size in structure disk_child */ /* child size is the combined size of all items and their headers */ #define MAX_CHILD_SIZE(bh) ((int)( (bh)->b_size - BLKH_SIZE )) @@ -1159,7 +1126,6 @@ struct disk_child { /* PATH STRUCTURES AND DEFINES */ /***************************************************************************/ - /* Search_by_key fills up the path from the root to the leaf as it descends the tree looking for the key. It uses reiserfs_bread to try to find buffers in the cache given their block number. If it does not find them in the cache it reads them from disk. For each node search_by_key finds using @@ -1168,20 +1134,18 @@ struct disk_child { is looking through a leaf node bin_search will find the position of the item which has key either equal to given key, or which is the maximal key less than the given key. */ -struct path_element { - struct buffer_head * pe_buffer; /* Pointer to the buffer at the path in the tree. */ - int pe_position; /* Position in the tree node which is placed in the */ - /* buffer above. */ +struct path_element { + struct buffer_head *pe_buffer; /* Pointer to the buffer at the path in the tree. */ + int pe_position; /* Position in the tree node which is placed in the */ + /* buffer above. */ }; -#define MAX_HEIGHT 5 /* maximal height of a tree. don't change this without changing JOURNAL_PER_BALANCE_CNT */ -#define EXTENDED_MAX_HEIGHT 7 /* Must be equals MAX_HEIGHT + FIRST_PATH_ELEMENT_OFFSET */ -#define FIRST_PATH_ELEMENT_OFFSET 2 /* Must be equal to at least 2. */ - -#define ILLEGAL_PATH_ELEMENT_OFFSET 1 /* Must be equal to FIRST_PATH_ELEMENT_OFFSET - 1 */ -#define MAX_FEB_SIZE 6 /* this MUST be MAX_HEIGHT + 1. See about FEB below */ - +#define MAX_HEIGHT 5 /* maximal height of a tree. don't change this without changing JOURNAL_PER_BALANCE_CNT */ +#define EXTENDED_MAX_HEIGHT 7 /* Must be equals MAX_HEIGHT + FIRST_PATH_ELEMENT_OFFSET */ +#define FIRST_PATH_ELEMENT_OFFSET 2 /* Must be equal to at least 2. */ +#define ILLEGAL_PATH_ELEMENT_OFFSET 1 /* Must be equal to FIRST_PATH_ELEMENT_OFFSET - 1 */ +#define MAX_FEB_SIZE 6 /* this MUST be MAX_HEIGHT + 1. See about FEB below */ /* We need to keep track of who the ancestors of nodes are. When we perform a search we record which nodes were visited while @@ -1200,14 +1164,14 @@ excessive effort to avoid disturbing the precious VFS code.:-( The gods only know how we are going to SMP the code that uses them. znodes are the way! */ -#define PATH_READA 0x1 /* do read ahead */ -#define PATH_READA_BACK 0x2 /* read backwards */ +#define PATH_READA 0x1 /* do read ahead */ +#define PATH_READA_BACK 0x2 /* read backwards */ -struct path { - int path_length; /* Length of the array above. */ - int reada; - struct path_element path_elements[EXTENDED_MAX_HEIGHT]; /* Array of the path elements. */ - int pos_in_item; +struct path { + int path_length; /* Length of the array above. */ + int reada; + struct path_element path_elements[EXTENDED_MAX_HEIGHT]; /* Array of the path elements. */ + int pos_in_item; }; #define pos_in_item(path) ((path)->pos_in_item) @@ -1224,25 +1188,23 @@ struct path var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,} /* Get position in the element at the path by path and path position. */ #define PATH_OFFSET_POSITION(p_s_path,n_offset) (PATH_OFFSET_PELEMENT(p_s_path,n_offset)->pe_position) - #define PATH_PLAST_BUFFER(p_s_path) (PATH_OFFSET_PBUFFER((p_s_path), (p_s_path)->path_length)) /* you know, to the person who didn't - write this the macro name does not - at first suggest what it does. - Maybe POSITION_FROM_PATH_END? Or - maybe we should just focus on - dumping paths... -Hans */ + write this the macro name does not + at first suggest what it does. + Maybe POSITION_FROM_PATH_END? Or + maybe we should just focus on + dumping paths... -Hans */ #define PATH_LAST_POSITION(p_s_path) (PATH_OFFSET_POSITION((p_s_path), (p_s_path)->path_length)) - #define PATH_PITEM_HEAD(p_s_path) B_N_PITEM_HEAD(PATH_PLAST_BUFFER(p_s_path),PATH_LAST_POSITION(p_s_path)) /* in do_balance leaf has h == 0 in contrast with path structure, where root has level == 0. That is why we need these defines */ #define PATH_H_PBUFFER(p_s_path, h) PATH_OFFSET_PBUFFER (p_s_path, p_s_path->path_length - (h)) /* tb->S[h] */ -#define PATH_H_PPARENT(path, h) PATH_H_PBUFFER (path, (h) + 1) /* tb->F[h] or tb->S[0]->b_parent */ -#define PATH_H_POSITION(path, h) PATH_OFFSET_POSITION (path, path->path_length - (h)) -#define PATH_H_B_ITEM_ORDER(path, h) PATH_H_POSITION(path, h + 1) /* tb->S[h]->b_item_order */ +#define PATH_H_PPARENT(path, h) PATH_H_PBUFFER (path, (h) + 1) /* tb->F[h] or tb->S[0]->b_parent */ +#define PATH_H_POSITION(path, h) PATH_OFFSET_POSITION (path, path->path_length - (h)) +#define PATH_H_B_ITEM_ORDER(path, h) PATH_H_POSITION(path, h + 1) /* tb->S[h]->b_item_order */ #define PATH_H_PATH_OFFSET(p_s_path, n_h) ((p_s_path)->path_length - (n_h)) @@ -1253,7 +1215,6 @@ struct path var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,} #define item_moved(ih,path) comp_items(ih, path) #define path_changed(ih,path) comp_items (ih, path) - /***************************************************************************/ /* MISC */ /***************************************************************************/ @@ -1272,30 +1233,26 @@ struct path var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,} // reiserfs version 2 has max offset 60 bits. Version 1 - 32 bit offset #define U32_MAX (~(__u32)0) -static inline loff_t max_reiserfs_offset (struct inode * inode) +static inline loff_t max_reiserfs_offset(struct inode *inode) { - if (get_inode_item_key_version(inode) == KEY_FORMAT_3_5) - return (loff_t)U32_MAX; + if (get_inode_item_key_version(inode) == KEY_FORMAT_3_5) + return (loff_t) U32_MAX; - return (loff_t)((~(__u64)0) >> 4); + return (loff_t) ((~(__u64) 0) >> 4); } - /*#define MAX_KEY_UNIQUENESS MAX_UL_INT*/ #define MAX_KEY_OBJECTID MAX_UL_INT - #define MAX_B_NUM MAX_UL_INT #define MAX_FC_NUM MAX_US_INT - /* the purpose is to detect overflow of an unsigned short */ #define REISERFS_LINK_MAX (MAX_US_INT - 1000) - /* The following defines are used in reiserfs_insert_item and reiserfs_append_item */ -#define REISERFS_KERNEL_MEM 0 /* reiserfs kernel memory mode */ -#define REISERFS_USER_MEM 1 /* reiserfs user memory mode */ +#define REISERFS_KERNEL_MEM 0 /* reiserfs kernel memory mode */ +#define REISERFS_USER_MEM 1 /* reiserfs user memory mode */ #define fs_generation(s) (REISERFS_SB(s)->s_generation_counter) #define get_generation(s) atomic_read (&fs_generation(s)) @@ -1303,7 +1260,6 @@ static inline loff_t max_reiserfs_offset (struct inode * inode) #define __fs_changed(gen,s) (gen != get_generation (s)) #define fs_changed(gen,s) ({cond_resched(); __fs_changed(gen, s);}) - /***************************************************************************/ /* FIXATE NODES */ /***************************************************************************/ @@ -1324,38 +1280,34 @@ static inline loff_t max_reiserfs_offset (struct inode * inode) calculating what we can shift to neighbors and how many nodes we have to have if we do not any shiftings, if we shift to left/right neighbor or to both. */ -struct virtual_item -{ - int vi_index; // index in the array of item operations - unsigned short vi_type; // left/right mergeability - unsigned short vi_item_len; /* length of item that it will have after balancing */ - struct item_head * vi_ih; - const char * vi_item; // body of item (old or new) - const void * vi_new_data; // 0 always but paste mode - void * vi_uarea; // item specific area +struct virtual_item { + int vi_index; // index in the array of item operations + unsigned short vi_type; // left/right mergeability + unsigned short vi_item_len; /* length of item that it will have after balancing */ + struct item_head *vi_ih; + const char *vi_item; // body of item (old or new) + const void *vi_new_data; // 0 always but paste mode + void *vi_uarea; // item specific area }; - -struct virtual_node -{ - char * vn_free_ptr; /* this is a pointer to the free space in the buffer */ - unsigned short vn_nr_item; /* number of items in virtual node */ - short vn_size; /* size of node , that node would have if it has unlimited size and no balancing is performed */ - short vn_mode; /* mode of balancing (paste, insert, delete, cut) */ - short vn_affected_item_num; - short vn_pos_in_item; - struct item_head * vn_ins_ih; /* item header of inserted item, 0 for other modes */ - const void * vn_data; - struct virtual_item * vn_vi; /* array of items (including a new one, excluding item to be deleted) */ +struct virtual_node { + char *vn_free_ptr; /* this is a pointer to the free space in the buffer */ + unsigned short vn_nr_item; /* number of items in virtual node */ + short vn_size; /* size of node , that node would have if it has unlimited size and no balancing is performed */ + short vn_mode; /* mode of balancing (paste, insert, delete, cut) */ + short vn_affected_item_num; + short vn_pos_in_item; + struct item_head *vn_ins_ih; /* item header of inserted item, 0 for other modes */ + const void *vn_data; + struct virtual_item *vn_vi; /* array of items (including a new one, excluding item to be deleted) */ }; /* used by directory items when creating virtual nodes */ struct direntry_uarea { - int flags; - __u16 entry_count; - __u16 entry_sizes[1]; -} __attribute__ ((__packed__)) ; - + int flags; + __u16 entry_count; + __u16 entry_sizes[1]; +} __attribute__ ((__packed__)); /***************************************************************************/ /* TREE BALANCE */ @@ -1378,73 +1330,72 @@ struct direntry_uarea { #define MAX_AMOUNT_NEEDED 2 /* someday somebody will prefix every field in this struct with tb_ */ -struct tree_balance -{ - int tb_mode; - int need_balance_dirty; - struct super_block * tb_sb; - struct reiserfs_transaction_handle *transaction_handle ; - struct path * tb_path; - struct buffer_head * L[MAX_HEIGHT]; /* array of left neighbors of nodes in the path */ - struct buffer_head * R[MAX_HEIGHT]; /* array of right neighbors of nodes in the path*/ - struct buffer_head * FL[MAX_HEIGHT]; /* array of fathers of the left neighbors */ - struct buffer_head * FR[MAX_HEIGHT]; /* array of fathers of the right neighbors */ - struct buffer_head * CFL[MAX_HEIGHT]; /* array of common parents of center node and its left neighbor */ - struct buffer_head * CFR[MAX_HEIGHT]; /* array of common parents of center node and its right neighbor */ - - struct buffer_head * FEB[MAX_FEB_SIZE]; /* array of empty buffers. Number of buffers in array equals - cur_blknum. */ - struct buffer_head * used[MAX_FEB_SIZE]; - struct buffer_head * thrown[MAX_FEB_SIZE]; - int lnum[MAX_HEIGHT]; /* array of number of items which must be - shifted to the left in order to balance the - current node; for leaves includes item that - will be partially shifted; for internal - nodes, it is the number of child pointers - rather than items. It includes the new item - being created. The code sometimes subtracts - one to get the number of wholly shifted - items for other purposes. */ - int rnum[MAX_HEIGHT]; /* substitute right for left in comment above */ - int lkey[MAX_HEIGHT]; /* array indexed by height h mapping the key delimiting L[h] and - S[h] to its item number within the node CFL[h] */ - int rkey[MAX_HEIGHT]; /* substitute r for l in comment above */ - int insert_size[MAX_HEIGHT]; /* the number of bytes by we are trying to add or remove from - S[h]. A negative value means removing. */ - int blknum[MAX_HEIGHT]; /* number of nodes that will replace node S[h] after - balancing on the level h of the tree. If 0 then S is - being deleted, if 1 then S is remaining and no new nodes - are being created, if 2 or 3 then 1 or 2 new nodes is - being created */ - - /* fields that are used only for balancing leaves of the tree */ - int cur_blknum; /* number of empty blocks having been already allocated */ - int s0num; /* number of items that fall into left most node when S[0] splits */ - int s1num; /* number of items that fall into first new node when S[0] splits */ - int s2num; /* number of items that fall into second new node when S[0] splits */ - int lbytes; /* number of bytes which can flow to the left neighbor from the left */ - /* most liquid item that cannot be shifted from S[0] entirely */ - /* if -1 then nothing will be partially shifted */ - int rbytes; /* number of bytes which will flow to the right neighbor from the right */ - /* most liquid item that cannot be shifted from S[0] entirely */ - /* if -1 then nothing will be partially shifted */ - int s1bytes; /* number of bytes which flow to the first new node when S[0] splits */ - /* note: if S[0] splits into 3 nodes, then items do not need to be cut */ - int s2bytes; - struct buffer_head * buf_to_free[MAX_FREE_BLOCK]; /* buffers which are to be freed after do_balance finishes by unfix_nodes */ - char * vn_buf; /* kmalloced memory. Used to create +struct tree_balance { + int tb_mode; + int need_balance_dirty; + struct super_block *tb_sb; + struct reiserfs_transaction_handle *transaction_handle; + struct path *tb_path; + struct buffer_head *L[MAX_HEIGHT]; /* array of left neighbors of nodes in the path */ + struct buffer_head *R[MAX_HEIGHT]; /* array of right neighbors of nodes in the path */ + struct buffer_head *FL[MAX_HEIGHT]; /* array of fathers of the left neighbors */ + struct buffer_head *FR[MAX_HEIGHT]; /* array of fathers of the right neighbors */ + struct buffer_head *CFL[MAX_HEIGHT]; /* array of common parents of center node and its left neighbor */ + struct buffer_head *CFR[MAX_HEIGHT]; /* array of common parents of center node and its right neighbor */ + + struct buffer_head *FEB[MAX_FEB_SIZE]; /* array of empty buffers. Number of buffers in array equals + cur_blknum. */ + struct buffer_head *used[MAX_FEB_SIZE]; + struct buffer_head *thrown[MAX_FEB_SIZE]; + int lnum[MAX_HEIGHT]; /* array of number of items which must be + shifted to the left in order to balance the + current node; for leaves includes item that + will be partially shifted; for internal + nodes, it is the number of child pointers + rather than items. It includes the new item + being created. The code sometimes subtracts + one to get the number of wholly shifted + items for other purposes. */ + int rnum[MAX_HEIGHT]; /* substitute right for left in comment above */ + int lkey[MAX_HEIGHT]; /* array indexed by height h mapping the key delimiting L[h] and + S[h] to its item number within the node CFL[h] */ + int rkey[MAX_HEIGHT]; /* substitute r for l in comment above */ + int insert_size[MAX_HEIGHT]; /* the number of bytes by we are trying to add or remove from + S[h]. A negative value means removing. */ + int blknum[MAX_HEIGHT]; /* number of nodes that will replace node S[h] after + balancing on the level h of the tree. If 0 then S is + being deleted, if 1 then S is remaining and no new nodes + are being created, if 2 or 3 then 1 or 2 new nodes is + being created */ + + /* fields that are used only for balancing leaves of the tree */ + int cur_blknum; /* number of empty blocks having been already allocated */ + int s0num; /* number of items that fall into left most node when S[0] splits */ + int s1num; /* number of items that fall into first new node when S[0] splits */ + int s2num; /* number of items that fall into second new node when S[0] splits */ + int lbytes; /* number of bytes which can flow to the left neighbor from the left */ + /* most liquid item that cannot be shifted from S[0] entirely */ + /* if -1 then nothing will be partially shifted */ + int rbytes; /* number of bytes which will flow to the right neighbor from the right */ + /* most liquid item that cannot be shifted from S[0] entirely */ + /* if -1 then nothing will be partially shifted */ + int s1bytes; /* number of bytes which flow to the first new node when S[0] splits */ + /* note: if S[0] splits into 3 nodes, then items do not need to be cut */ + int s2bytes; + struct buffer_head *buf_to_free[MAX_FREE_BLOCK]; /* buffers which are to be freed after do_balance finishes by unfix_nodes */ + char *vn_buf; /* kmalloced memory. Used to create virtual node and keep map of dirtied bitmap blocks */ - int vn_buf_size; /* size of the vn_buf */ - struct virtual_node * tb_vn; /* VN starts after bitmap of bitmap blocks */ + int vn_buf_size; /* size of the vn_buf */ + struct virtual_node *tb_vn; /* VN starts after bitmap of bitmap blocks */ - int fs_gen; /* saved value of `reiserfs_generation' counter - see FILESYSTEM_CHANGED() macro in reiserfs_fs.h */ + int fs_gen; /* saved value of `reiserfs_generation' counter + see FILESYSTEM_CHANGED() macro in reiserfs_fs.h */ #ifdef DISPLACE_NEW_PACKING_LOCALITIES - struct in_core_key key; /* key pointer, to pass to block allocator or - another low-level subsystem */ + struct in_core_key key; /* key pointer, to pass to block allocator or + another low-level subsystem */ #endif -} ; +}; /* These are modes of balancing */ @@ -1479,13 +1430,12 @@ struct tree_balance /* used in do_balance for passing parent of node information that has been gotten from tb struct */ struct buffer_info { - struct tree_balance * tb; - struct buffer_head * bi_bh; - struct buffer_head * bi_parent; - int bi_position; + struct tree_balance *tb; + struct buffer_head *bi_bh; + struct buffer_head *bi_parent; + int bi_position; }; - /* there are 4 types of items: stat data, directory item, indirect, direct. +-------------------+------------+--------------+------------+ | | k_offset | k_uniqueness | mergeable? | @@ -1503,24 +1453,24 @@ struct buffer_info { */ struct item_operations { - int (*bytes_number) (struct item_head * ih, int block_size); - void (*decrement_key) (struct cpu_key *); - int (*is_left_mergeable) (struct reiserfs_key * ih, unsigned long bsize); - void (*print_item) (struct item_head *, char * item); - void (*check_item) (struct item_head *, char * item); - - int (*create_vi) (struct virtual_node * vn, struct virtual_item * vi, - int is_affected, int insert_size); - int (*check_left) (struct virtual_item * vi, int free, - int start_skip, int end_skip); - int (*check_right) (struct virtual_item * vi, int free); - int (*part_size) (struct virtual_item * vi, int from, int to); - int (*unit_num) (struct virtual_item * vi); - void (*print_vi) (struct virtual_item * vi); + int (*bytes_number) (struct item_head * ih, int block_size); + void (*decrement_key) (struct cpu_key *); + int (*is_left_mergeable) (struct reiserfs_key * ih, + unsigned long bsize); + void (*print_item) (struct item_head *, char *item); + void (*check_item) (struct item_head *, char *item); + + int (*create_vi) (struct virtual_node * vn, struct virtual_item * vi, + int is_affected, int insert_size); + int (*check_left) (struct virtual_item * vi, int free, + int start_skip, int end_skip); + int (*check_right) (struct virtual_item * vi, int free); + int (*part_size) (struct virtual_item * vi, int from, int to); + int (*unit_num) (struct virtual_item * vi); + void (*print_vi) (struct virtual_item * vi); }; - -extern struct item_operations * item_ops [TYPE_ANY + 1]; +extern struct item_operations *item_ops[TYPE_ANY + 1]; #define op_bytes_number(ih,bsize) item_ops[le_ih_k_type (ih)]->bytes_number (ih, bsize) #define op_is_left_mergeable(key,bsize) item_ops[le_key_k_type (le_key_version (key), key)]->is_left_mergeable (key, bsize) @@ -1533,8 +1483,6 @@ extern struct item_operations * item_ops [TYPE_ANY + 1]; #define op_unit_num(vi) item_ops[(vi)->vi_index]->unit_num (vi) #define op_print_vi(vi) item_ops[(vi)->vi_index]->print_vi (vi) - - #define COMP_SHORT_KEYS comp_short_keys /* number of blocks pointed to by the indirect item */ @@ -1545,8 +1493,7 @@ extern struct item_operations * item_ops [TYPE_ANY + 1]; /* number of bytes contained by the direct item or the unformatted nodes the indirect item points to */ - -/* get the item header */ +/* get the item header */ #define B_N_PITEM_HEAD(bh,item_num) ( (struct item_head * )((bh)->b_data + BLKH_SIZE) + (item_num) ) /* get key */ @@ -1577,9 +1524,9 @@ extern struct item_operations * item_ops [TYPE_ANY + 1]; #define PUT_B_I_POS_UNFM_POINTER(bh,ih,pos, val) do {*(((unp_t *)B_I_PITEM(bh,ih)) + (pos)) = cpu_to_le32(val); } while (0) struct reiserfs_iget_args { - __u32 objectid ; - __u32 dirid ; -} ; + __u32 objectid; + __u32 dirid; +}; /***************************************************************************/ /* FUNCTION DECLARATIONS */ @@ -1595,11 +1542,11 @@ struct reiserfs_iget_args { /* first block written in a commit. */ struct reiserfs_journal_desc { - __le32 j_trans_id ; /* id of commit */ - __le32 j_len ; /* length of commit. len +1 is the commit block */ - __le32 j_mount_id ; /* mount id of this trans*/ - __le32 j_realblock[1] ; /* real locations for each block */ -} ; + __le32 j_trans_id; /* id of commit */ + __le32 j_len; /* length of commit. len +1 is the commit block */ + __le32 j_mount_id; /* mount id of this trans */ + __le32 j_realblock[1]; /* real locations for each block */ +}; #define get_desc_trans_id(d) le32_to_cpu((d)->j_trans_id) #define get_desc_trans_len(d) le32_to_cpu((d)->j_len) @@ -1611,10 +1558,10 @@ struct reiserfs_journal_desc { /* last block written in a commit */ struct reiserfs_journal_commit { - __le32 j_trans_id ; /* must match j_trans_id from the desc block */ - __le32 j_len ; /* ditto */ - __le32 j_realblock[1] ; /* real locations for each block */ -} ; + __le32 j_trans_id; /* must match j_trans_id from the desc block */ + __le32 j_len; /* ditto */ + __le32 j_realblock[1]; /* real locations for each block */ +}; #define get_commit_trans_id(c) le32_to_cpu((c)->j_trans_id) #define get_commit_trans_len(c) le32_to_cpu((c)->j_len) @@ -1628,27 +1575,34 @@ struct reiserfs_journal_commit { ** and this transaction does not need to be replayed. */ struct reiserfs_journal_header { - __le32 j_last_flush_trans_id ; /* id of last fully flushed transaction */ - __le32 j_first_unflushed_offset ; /* offset in the log of where to start replay after a crash */ - __le32 j_mount_id ; - /* 12 */ struct journal_params jh_journal; -} ; + __le32 j_last_flush_trans_id; /* id of last fully flushed transaction */ + __le32 j_first_unflushed_offset; /* offset in the log of where to start replay after a crash */ + __le32 j_mount_id; + /* 12 */ struct journal_params jh_journal; +}; /* biggest tunable defines are right here */ -#define JOURNAL_BLOCK_COUNT 8192 /* number of blocks in the journal */ -#define JOURNAL_TRANS_MAX_DEFAULT 1024 /* biggest possible single transaction, don't change for now (8/3/99) */ +#define JOURNAL_BLOCK_COUNT 8192 /* number of blocks in the journal */ +#define JOURNAL_TRANS_MAX_DEFAULT 1024 /* biggest possible single transaction, don't change for now (8/3/99) */ #define JOURNAL_TRANS_MIN_DEFAULT 256 -#define JOURNAL_MAX_BATCH_DEFAULT 900 /* max blocks to batch into one transaction, don't make this any bigger than 900 */ +#define JOURNAL_MAX_BATCH_DEFAULT 900 /* max blocks to batch into one transaction, don't make this any bigger than 900 */ #define JOURNAL_MIN_RATIO 2 -#define JOURNAL_MAX_COMMIT_AGE 30 +#define JOURNAL_MAX_COMMIT_AGE 30 #define JOURNAL_MAX_TRANS_AGE 30 #define JOURNAL_PER_BALANCE_CNT (3 * (MAX_HEIGHT-2) + 9) #ifdef CONFIG_QUOTA -#define REISERFS_QUOTA_TRANS_BLOCKS 2 /* We need to update data and inode (atime) */ -#define REISERFS_QUOTA_INIT_BLOCKS (DQUOT_MAX_WRITES*(JOURNAL_PER_BALANCE_CNT+2)+1) /* 1 balancing, 1 bitmap, 1 data per write + stat data update */ +/* We need to update data and inode (atime) */ +#define REISERFS_QUOTA_TRANS_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & (1<<REISERFS_QUOTA) ? 2 : 0) +/* 1 balancing, 1 bitmap, 1 data per write + stat data update */ +#define REISERFS_QUOTA_INIT_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & (1<<REISERFS_QUOTA) ? \ +(DQUOT_INIT_ALLOC*(JOURNAL_PER_BALANCE_CNT+2)+DQUOT_INIT_REWRITE+1) : 0) +/* same as with INIT */ +#define REISERFS_QUOTA_DEL_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & (1<<REISERFS_QUOTA) ? \ +(DQUOT_DEL_ALLOC*(JOURNAL_PER_BALANCE_CNT+2)+DQUOT_DEL_REWRITE+1) : 0) #else -#define REISERFS_QUOTA_TRANS_BLOCKS 0 -#define REISERFS_QUOTA_INIT_BLOCKS 0 +#define REISERFS_QUOTA_TRANS_BLOCKS(s) 0 +#define REISERFS_QUOTA_INIT_BLOCKS(s) 0 +#define REISERFS_QUOTA_DEL_BLOCKS(s) 0 #endif /* both of these can be as low as 1, or as high as you want. The min is the @@ -1657,10 +1611,10 @@ struct reiserfs_journal_header { ** the current number of nodes is > max, the node is freed, otherwise, ** it is put on a free list for faster use later. */ -#define REISERFS_MIN_BITMAP_NODES 10 -#define REISERFS_MAX_BITMAP_NODES 100 +#define REISERFS_MIN_BITMAP_NODES 10 +#define REISERFS_MAX_BITMAP_NODES 100 -#define JBH_HASH_SHIFT 13 /* these are based on journal hash size of 8192 */ +#define JBH_HASH_SHIFT 13 /* these are based on journal hash size of 8192 */ #define JBH_HASH_MASK 8191 #define _jhashfn(sb,block) \ @@ -1674,14 +1628,14 @@ struct reiserfs_journal_header { #define journal_bread(s, block) __bread(SB_JOURNAL(s)->j_dev_bd, block, s->s_blocksize) enum reiserfs_bh_state_bits { - BH_JDirty = BH_PrivateStart, /* buffer is in current transaction */ - BH_JDirty_wait, - BH_JNew, /* disk block was taken off free list before - * being in a finished transaction, or - * written to disk. Can be reused immed. */ - BH_JPrepared, - BH_JRestore_dirty, - BH_JTest, // debugging only will go away + BH_JDirty = BH_PrivateStart, /* buffer is in current transaction */ + BH_JDirty_wait, + BH_JNew, /* disk block was taken off free list before + * being in a finished transaction, or + * written to disk. Can be reused immed. */ + BH_JPrepared, + BH_JRestore_dirty, + BH_JTest, // debugging only will go away }; BUFFER_FNS(JDirty, journaled); @@ -1701,175 +1655,192 @@ TAS_BUFFER_FNS(JTest, journal_test); ** transaction handle which is passed around for all journal calls */ struct reiserfs_transaction_handle { - struct super_block *t_super ; /* super for this FS when journal_begin was - called. saves calls to reiserfs_get_super - also used by nested transactions to make - sure they are nesting on the right FS - _must_ be first in the handle - */ - int t_refcount; - int t_blocks_logged ; /* number of blocks this writer has logged */ - int t_blocks_allocated ; /* number of blocks this writer allocated */ - unsigned long t_trans_id ; /* sanity check, equals the current trans id */ - void *t_handle_save ; /* save existing current->journal_info */ - unsigned displace_new_blocks:1; /* if new block allocation occurres, that block - should be displaced from others */ - struct list_head t_list; -} ; + struct super_block *t_super; /* super for this FS when journal_begin was + called. saves calls to reiserfs_get_super + also used by nested transactions to make + sure they are nesting on the right FS + _must_ be first in the handle + */ + int t_refcount; + int t_blocks_logged; /* number of blocks this writer has logged */ + int t_blocks_allocated; /* number of blocks this writer allocated */ + unsigned long t_trans_id; /* sanity check, equals the current trans id */ + void *t_handle_save; /* save existing current->journal_info */ + unsigned displace_new_blocks:1; /* if new block allocation occurres, that block + should be displaced from others */ + struct list_head t_list; +}; /* used to keep track of ordered and tail writes, attached to the buffer * head through b_journal_head. */ struct reiserfs_jh { - struct reiserfs_journal_list *jl; - struct buffer_head *bh; - struct list_head list; + struct reiserfs_journal_list *jl; + struct buffer_head *bh; + struct list_head list; }; void reiserfs_free_jh(struct buffer_head *bh); int reiserfs_add_tail_list(struct inode *inode, struct buffer_head *bh); int reiserfs_add_ordered_list(struct inode *inode, struct buffer_head *bh); -int journal_mark_dirty(struct reiserfs_transaction_handle *, struct super_block *, struct buffer_head *bh) ; - -static inline int -reiserfs_file_data_log(struct inode *inode) { - if (reiserfs_data_log(inode->i_sb) || - (REISERFS_I(inode)->i_flags & i_data_log)) - return 1 ; - return 0 ; +int journal_mark_dirty(struct reiserfs_transaction_handle *, + struct super_block *, struct buffer_head *bh); + +static inline int reiserfs_file_data_log(struct inode *inode) +{ + if (reiserfs_data_log(inode->i_sb) || + (REISERFS_I(inode)->i_flags & i_data_log)) + return 1; + return 0; } -static inline int reiserfs_transaction_running(struct super_block *s) { - struct reiserfs_transaction_handle *th = current->journal_info ; - if (th && th->t_super == s) - return 1 ; - if (th && th->t_super == NULL) - BUG(); - return 0 ; +static inline int reiserfs_transaction_running(struct super_block *s) +{ + struct reiserfs_transaction_handle *th = current->journal_info; + if (th && th->t_super == s) + return 1; + if (th && th->t_super == NULL) + BUG(); + return 0; } int reiserfs_async_progress_wait(struct super_block *s); -struct reiserfs_transaction_handle * -reiserfs_persistent_transaction(struct super_block *, int count); +struct reiserfs_transaction_handle *reiserfs_persistent_transaction(struct + super_block + *, + int count); int reiserfs_end_persistent_transaction(struct reiserfs_transaction_handle *); int reiserfs_commit_page(struct inode *inode, struct page *page, - unsigned from, unsigned to); + unsigned from, unsigned to); int reiserfs_flush_old_commits(struct super_block *); -int reiserfs_commit_for_inode(struct inode *) ; -int reiserfs_inode_needs_commit(struct inode *) ; -void reiserfs_update_inode_transaction(struct inode *) ; -void reiserfs_wait_on_write_block(struct super_block *s) ; -void reiserfs_block_writes(struct reiserfs_transaction_handle *th) ; -void reiserfs_allow_writes(struct super_block *s) ; -void reiserfs_check_lock_depth(struct super_block *s, char *caller) ; -int reiserfs_prepare_for_journal(struct super_block *, struct buffer_head *bh, int wait) ; -void reiserfs_restore_prepared_buffer(struct super_block *, struct buffer_head *bh) ; -int journal_init(struct super_block *, const char * j_dev_name, int old_format, unsigned int) ; -int journal_release(struct reiserfs_transaction_handle*, struct super_block *) ; -int journal_release_error(struct reiserfs_transaction_handle*, struct super_block *) ; -int journal_end(struct reiserfs_transaction_handle *, struct super_block *, unsigned long) ; -int journal_end_sync(struct reiserfs_transaction_handle *, struct super_block *, unsigned long) ; -int journal_mark_freed(struct reiserfs_transaction_handle *, struct super_block *, b_blocknr_t blocknr) ; -int journal_transaction_should_end(struct reiserfs_transaction_handle *, int) ; -int reiserfs_in_journal(struct super_block *p_s_sb, int bmap_nr, int bit_nr, int searchall, b_blocknr_t *next) ; -int journal_begin(struct reiserfs_transaction_handle *, struct super_block *p_s_sb, unsigned long) ; -int journal_join_abort(struct reiserfs_transaction_handle *, struct super_block *p_s_sb, unsigned long) ; -void reiserfs_journal_abort (struct super_block *sb, int errno); -void reiserfs_abort (struct super_block *sb, int errno, const char *fmt, ...); -int reiserfs_allocate_list_bitmaps(struct super_block *s, struct reiserfs_list_bitmap *, int) ; - -void add_save_link (struct reiserfs_transaction_handle * th, - struct inode * inode, int truncate); -int remove_save_link (struct inode * inode, int truncate); +int reiserfs_commit_for_inode(struct inode *); +int reiserfs_inode_needs_commit(struct inode *); +void reiserfs_update_inode_transaction(struct inode *); +void reiserfs_wait_on_write_block(struct super_block *s); +void reiserfs_block_writes(struct reiserfs_transaction_handle *th); +void reiserfs_allow_writes(struct super_block *s); +void reiserfs_check_lock_depth(struct super_block *s, char *caller); +int reiserfs_prepare_for_journal(struct super_block *, struct buffer_head *bh, + int wait); +void reiserfs_restore_prepared_buffer(struct super_block *, + struct buffer_head *bh); +int journal_init(struct super_block *, const char *j_dev_name, int old_format, + unsigned int); +int journal_release(struct reiserfs_transaction_handle *, struct super_block *); +int journal_release_error(struct reiserfs_transaction_handle *, + struct super_block *); +int journal_end(struct reiserfs_transaction_handle *, struct super_block *, + unsigned long); +int journal_end_sync(struct reiserfs_transaction_handle *, struct super_block *, + unsigned long); +int journal_mark_freed(struct reiserfs_transaction_handle *, + struct super_block *, b_blocknr_t blocknr); +int journal_transaction_should_end(struct reiserfs_transaction_handle *, int); +int reiserfs_in_journal(struct super_block *p_s_sb, int bmap_nr, int bit_nr, + int searchall, b_blocknr_t * next); +int journal_begin(struct reiserfs_transaction_handle *, + struct super_block *p_s_sb, unsigned long); +int journal_join_abort(struct reiserfs_transaction_handle *, + struct super_block *p_s_sb, unsigned long); +void reiserfs_journal_abort(struct super_block *sb, int errno); +void reiserfs_abort(struct super_block *sb, int errno, const char *fmt, ...); +int reiserfs_allocate_list_bitmaps(struct super_block *s, + struct reiserfs_list_bitmap *, int); + +void add_save_link(struct reiserfs_transaction_handle *th, + struct inode *inode, int truncate); +int remove_save_link(struct inode *inode, int truncate); /* objectid.c */ -__u32 reiserfs_get_unused_objectid (struct reiserfs_transaction_handle *th); -void reiserfs_release_objectid (struct reiserfs_transaction_handle *th, __u32 objectid_to_release); -int reiserfs_convert_objectid_map_v1(struct super_block *) ; +__u32 reiserfs_get_unused_objectid(struct reiserfs_transaction_handle *th); +void reiserfs_release_objectid(struct reiserfs_transaction_handle *th, + __u32 objectid_to_release); +int reiserfs_convert_objectid_map_v1(struct super_block *); /* stree.c */ int B_IS_IN_TREE(const struct buffer_head *); -extern void copy_item_head(struct item_head * p_v_to, - const struct item_head * p_v_from); +extern void copy_item_head(struct item_head *p_v_to, + const struct item_head *p_v_from); // first key is in cpu form, second - le -extern int comp_short_keys (const struct reiserfs_key * le_key, - const struct cpu_key * cpu_key); -extern void le_key2cpu_key (struct cpu_key * to, const struct reiserfs_key * from); +extern int comp_short_keys(const struct reiserfs_key *le_key, + const struct cpu_key *cpu_key); +extern void le_key2cpu_key(struct cpu_key *to, const struct reiserfs_key *from); // both are in le form -extern int comp_le_keys (const struct reiserfs_key *, const struct reiserfs_key *); -extern int comp_short_le_keys (const struct reiserfs_key *, const struct reiserfs_key *); +extern int comp_le_keys(const struct reiserfs_key *, + const struct reiserfs_key *); +extern int comp_short_le_keys(const struct reiserfs_key *, + const struct reiserfs_key *); // // get key version from on disk key - kludge // -static inline int le_key_version (const struct reiserfs_key * key) +static inline int le_key_version(const struct reiserfs_key *key) { - int type; - - type = offset_v2_k_type( &(key->u.k_offset_v2)); - if (type != TYPE_DIRECT && type != TYPE_INDIRECT && type != TYPE_DIRENTRY) - return KEY_FORMAT_3_5; - - return KEY_FORMAT_3_6; - -} + int type; + type = offset_v2_k_type(&(key->u.k_offset_v2)); + if (type != TYPE_DIRECT && type != TYPE_INDIRECT + && type != TYPE_DIRENTRY) + return KEY_FORMAT_3_5; + + return KEY_FORMAT_3_6; -static inline void copy_key (struct reiserfs_key *to, const struct reiserfs_key *from) -{ - memcpy (to, from, KEY_SIZE); } +static inline void copy_key(struct reiserfs_key *to, + const struct reiserfs_key *from) +{ + memcpy(to, from, KEY_SIZE); +} -int comp_items (const struct item_head * stored_ih, const struct path * p_s_path); -const struct reiserfs_key * get_rkey (const struct path * p_s_chk_path, - const struct super_block * p_s_sb); -int search_by_key (struct super_block *, const struct cpu_key *, - struct path *, int); +int comp_items(const struct item_head *stored_ih, const struct path *p_s_path); +const struct reiserfs_key *get_rkey(const struct path *p_s_chk_path, + const struct super_block *p_s_sb); +int search_by_key(struct super_block *, const struct cpu_key *, + struct path *, int); #define search_item(s,key,path) search_by_key (s, key, path, DISK_LEAF_NODE_LEVEL) -int search_for_position_by_key (struct super_block * p_s_sb, - const struct cpu_key * p_s_cpu_key, - struct path * p_s_search_path); -extern void decrement_bcount (struct buffer_head * p_s_bh); -void decrement_counters_in_path (struct path * p_s_search_path); -void pathrelse (struct path * p_s_search_path); -int reiserfs_check_path(struct path *p) ; -void pathrelse_and_restore (struct super_block *s, struct path * p_s_search_path); - -int reiserfs_insert_item (struct reiserfs_transaction_handle *th, - struct path * path, - const struct cpu_key * key, - struct item_head * ih, - struct inode *inode, const char * body); - -int reiserfs_paste_into_item (struct reiserfs_transaction_handle *th, - struct path * path, - const struct cpu_key * key, - struct inode *inode, - const char * body, int paste_size); - -int reiserfs_cut_from_item (struct reiserfs_transaction_handle *th, - struct path * path, - struct cpu_key * key, - struct inode * inode, - struct page *page, - loff_t new_file_size); - -int reiserfs_delete_item (struct reiserfs_transaction_handle *th, - struct path * path, - const struct cpu_key * key, - struct inode * inode, - struct buffer_head * p_s_un_bh); - -void reiserfs_delete_solid_item (struct reiserfs_transaction_handle *th, - struct inode *inode, struct reiserfs_key * key); -int reiserfs_delete_object (struct reiserfs_transaction_handle *th, struct inode * p_s_inode); -int reiserfs_do_truncate (struct reiserfs_transaction_handle *th, - struct inode * p_s_inode, struct page *, - int update_timestamps); +int search_for_position_by_key(struct super_block *p_s_sb, + const struct cpu_key *p_s_cpu_key, + struct path *p_s_search_path); +extern void decrement_bcount(struct buffer_head *p_s_bh); +void decrement_counters_in_path(struct path *p_s_search_path); +void pathrelse(struct path *p_s_search_path); +int reiserfs_check_path(struct path *p); +void pathrelse_and_restore(struct super_block *s, struct path *p_s_search_path); + +int reiserfs_insert_item(struct reiserfs_transaction_handle *th, + struct path *path, + const struct cpu_key *key, + struct item_head *ih, + struct inode *inode, const char *body); + +int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, + struct path *path, + const struct cpu_key *key, + struct inode *inode, + const char *body, int paste_size); + +int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th, + struct path *path, + struct cpu_key *key, + struct inode *inode, + struct page *page, loff_t new_file_size); + +int reiserfs_delete_item(struct reiserfs_transaction_handle *th, + struct path *path, + const struct cpu_key *key, + struct inode *inode, struct buffer_head *p_s_un_bh); + +void reiserfs_delete_solid_item(struct reiserfs_transaction_handle *th, + struct inode *inode, struct reiserfs_key *key); +int reiserfs_delete_object(struct reiserfs_transaction_handle *th, + struct inode *p_s_inode); +int reiserfs_do_truncate(struct reiserfs_transaction_handle *th, + struct inode *p_s_inode, struct page *, + int update_timestamps); #define i_block_size(inode) ((inode)->i_sb->s_blocksize) #define file_size(inode) ((inode)->i_size) @@ -1878,66 +1849,67 @@ int reiserfs_do_truncate (struct reiserfs_transaction_handle *th, #define tail_has_to_be_packed(inode) (have_large_tails ((inode)->i_sb)?\ !STORE_TAIL_IN_UNFM_S1(file_size (inode), tail_size(inode), inode->i_sb->s_blocksize):have_small_tails ((inode)->i_sb)?!STORE_TAIL_IN_UNFM_S2(file_size (inode), tail_size(inode), inode->i_sb->s_blocksize):0 ) -void padd_item (char * item, int total_length, int length); +void padd_item(char *item, int total_length, int length); /* inode.c */ /* args for the create parameter of reiserfs_get_block */ -#define GET_BLOCK_NO_CREATE 0 /* don't create new blocks or convert tails */ -#define GET_BLOCK_CREATE 1 /* add anything you need to find block */ -#define GET_BLOCK_NO_HOLE 2 /* return -ENOENT for file holes */ -#define GET_BLOCK_READ_DIRECT 4 /* read the tail if indirect item not found */ -#define GET_BLOCK_NO_ISEM 8 /* i_sem is not held, don't preallocate */ -#define GET_BLOCK_NO_DANGLE 16 /* don't leave any transactions running */ - -int restart_transaction(struct reiserfs_transaction_handle *th, struct inode *inode, struct path *path); -void reiserfs_read_locked_inode(struct inode * inode, struct reiserfs_iget_args *args) ; -int reiserfs_find_actor(struct inode * inode, void *p) ; -int reiserfs_init_locked_inode(struct inode * inode, void *p) ; -void reiserfs_delete_inode (struct inode * inode); -int reiserfs_write_inode (struct inode * inode, int) ; -int reiserfs_get_block (struct inode * inode, sector_t block, struct buffer_head * bh_result, int create); -struct dentry *reiserfs_get_dentry(struct super_block *, void *) ; -struct dentry *reiserfs_decode_fh(struct super_block *sb, __u32 *data, - int len, int fhtype, - int (*acceptable)(void *contect, struct dentry *de), - void *context) ; -int reiserfs_encode_fh( struct dentry *dentry, __u32 *data, int *lenp, - int connectable ); - -int reiserfs_truncate_file(struct inode *, int update_timestamps) ; -void make_cpu_key (struct cpu_key * cpu_key, struct inode * inode, loff_t offset, - int type, int key_length); -void make_le_item_head (struct item_head * ih, const struct cpu_key * key, - int version, - loff_t offset, int type, int length, int entry_count); -struct inode * reiserfs_iget (struct super_block * s, - const struct cpu_key * key); - - -int reiserfs_new_inode (struct reiserfs_transaction_handle *th, - struct inode * dir, int mode, - const char * symname, loff_t i_size, - struct dentry *dentry, struct inode *inode); - -void reiserfs_update_sd_size (struct reiserfs_transaction_handle *th, - struct inode * inode, loff_t size); +#define GET_BLOCK_NO_CREATE 0 /* don't create new blocks or convert tails */ +#define GET_BLOCK_CREATE 1 /* add anything you need to find block */ +#define GET_BLOCK_NO_HOLE 2 /* return -ENOENT for file holes */ +#define GET_BLOCK_READ_DIRECT 4 /* read the tail if indirect item not found */ +#define GET_BLOCK_NO_ISEM 8 /* i_sem is not held, don't preallocate */ +#define GET_BLOCK_NO_DANGLE 16 /* don't leave any transactions running */ + +int restart_transaction(struct reiserfs_transaction_handle *th, + struct inode *inode, struct path *path); +void reiserfs_read_locked_inode(struct inode *inode, + struct reiserfs_iget_args *args); +int reiserfs_find_actor(struct inode *inode, void *p); +int reiserfs_init_locked_inode(struct inode *inode, void *p); +void reiserfs_delete_inode(struct inode *inode); +int reiserfs_write_inode(struct inode *inode, int); +int reiserfs_get_block(struct inode *inode, sector_t block, + struct buffer_head *bh_result, int create); +struct dentry *reiserfs_get_dentry(struct super_block *, void *); +struct dentry *reiserfs_decode_fh(struct super_block *sb, __u32 * data, + int len, int fhtype, + int (*acceptable) (void *contect, + struct dentry * de), + void *context); +int reiserfs_encode_fh(struct dentry *dentry, __u32 * data, int *lenp, + int connectable); + +int reiserfs_truncate_file(struct inode *, int update_timestamps); +void make_cpu_key(struct cpu_key *cpu_key, struct inode *inode, loff_t offset, + int type, int key_length); +void make_le_item_head(struct item_head *ih, const struct cpu_key *key, + int version, + loff_t offset, int type, int length, int entry_count); +struct inode *reiserfs_iget(struct super_block *s, const struct cpu_key *key); + +int reiserfs_new_inode(struct reiserfs_transaction_handle *th, + struct inode *dir, int mode, + const char *symname, loff_t i_size, + struct dentry *dentry, struct inode *inode); + +void reiserfs_update_sd_size(struct reiserfs_transaction_handle *th, + struct inode *inode, loff_t size); static inline void reiserfs_update_sd(struct reiserfs_transaction_handle *th, - struct inode *inode) + struct inode *inode) { - reiserfs_update_sd_size(th, inode, inode->i_size) ; + reiserfs_update_sd_size(th, inode, inode->i_size); } -void sd_attrs_to_i_attrs( __u16 sd_attrs, struct inode *inode ); -void i_attrs_to_sd_attrs( struct inode *inode, __u16 *sd_attrs ); +void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode); +void i_attrs_to_sd_attrs(struct inode *inode, __u16 * sd_attrs); int reiserfs_setattr(struct dentry *dentry, struct iattr *attr); /* namei.c */ -void set_de_name_and_namelen (struct reiserfs_dir_entry * de); -int search_by_entry_key (struct super_block * sb, const struct cpu_key * key, - struct path * path, - struct reiserfs_dir_entry * de); -struct dentry *reiserfs_get_parent(struct dentry *) ; +void set_de_name_and_namelen(struct reiserfs_dir_entry *de); +int search_by_entry_key(struct super_block *sb, const struct cpu_key *key, + struct path *path, struct reiserfs_dir_entry *de); +struct dentry *reiserfs_get_parent(struct dentry *); /* procfs.c */ #if defined( CONFIG_PROC_FS ) && defined( CONFIG_REISERFS_PROC_INFO ) @@ -1946,15 +1918,15 @@ struct dentry *reiserfs_get_parent(struct dentry *) ; #undef REISERFS_PROC_INFO #endif -int reiserfs_proc_info_init( struct super_block *sb ); -int reiserfs_proc_info_done( struct super_block *sb ); -struct proc_dir_entry *reiserfs_proc_register_global( char *name, - read_proc_t *func ); -void reiserfs_proc_unregister_global( const char *name ); -int reiserfs_proc_info_global_init( void ); -int reiserfs_proc_info_global_done( void ); -int reiserfs_global_version_in_proc( char *buffer, char **start, off_t offset, - int count, int *eof, void *data ); +int reiserfs_proc_info_init(struct super_block *sb); +int reiserfs_proc_info_done(struct super_block *sb); +struct proc_dir_entry *reiserfs_proc_register_global(char *name, + read_proc_t * func); +void reiserfs_proc_unregister_global(const char *name); +int reiserfs_proc_info_global_init(void); +int reiserfs_proc_info_global_done(void); +int reiserfs_global_version_in_proc(char *buffer, char **start, off_t offset, + int count, int *eof, void *data); #if defined( REISERFS_PROC_INFO ) @@ -1986,123 +1958,132 @@ extern struct inode_operations reiserfs_special_inode_operations; extern struct file_operations reiserfs_dir_operations; /* tail_conversion.c */ -int direct2indirect (struct reiserfs_transaction_handle *, struct inode *, struct path *, struct buffer_head *, loff_t); -int indirect2direct (struct reiserfs_transaction_handle *, struct inode *, struct page *, struct path *, const struct cpu_key *, loff_t, char *); -void reiserfs_unmap_buffer(struct buffer_head *) ; - +int direct2indirect(struct reiserfs_transaction_handle *, struct inode *, + struct path *, struct buffer_head *, loff_t); +int indirect2direct(struct reiserfs_transaction_handle *, struct inode *, + struct page *, struct path *, const struct cpu_key *, + loff_t, char *); +void reiserfs_unmap_buffer(struct buffer_head *); /* file.c */ extern struct inode_operations reiserfs_file_inode_operations; extern struct file_operations reiserfs_file_operations; -extern struct address_space_operations reiserfs_address_space_operations ; +extern struct address_space_operations reiserfs_address_space_operations; /* fix_nodes.c */ #ifdef CONFIG_REISERFS_CHECK -void * reiserfs_kmalloc (size_t size, int flags, struct super_block * s); -void reiserfs_kfree (const void * vp, size_t size, struct super_block * s); +void *reiserfs_kmalloc(size_t size, int flags, struct super_block *s); +void reiserfs_kfree(const void *vp, size_t size, struct super_block *s); #else static inline void *reiserfs_kmalloc(size_t size, int flags, - struct super_block *s) + struct super_block *s) { return kmalloc(size, flags); } static inline void reiserfs_kfree(const void *vp, size_t size, - struct super_block *s) + struct super_block *s) { kfree(vp); } #endif -int fix_nodes (int n_op_mode, struct tree_balance * p_s_tb, - struct item_head * p_s_ins_ih, const void *); -void unfix_nodes (struct tree_balance *); - +int fix_nodes(int n_op_mode, struct tree_balance *p_s_tb, + struct item_head *p_s_ins_ih, const void *); +void unfix_nodes(struct tree_balance *); /* prints.c */ -void reiserfs_panic (struct super_block * s, const char * fmt, ...) __attribute__ ( ( noreturn ) ); -void reiserfs_info (struct super_block *s, const char * fmt, ...); -void reiserfs_debug (struct super_block *s, int level, const char * fmt, ...); -void print_indirect_item (struct buffer_head * bh, int item_num); -void store_print_tb (struct tree_balance * tb); -void print_cur_tb (char * mes); -void print_de (struct reiserfs_dir_entry * de); -void print_bi (struct buffer_info * bi, char * mes); -#define PRINT_LEAF_ITEMS 1 /* print all items */ -#define PRINT_DIRECTORY_ITEMS 2 /* print directory items */ -#define PRINT_DIRECT_ITEMS 4 /* print contents of direct items */ -void print_block (struct buffer_head * bh, ...); -void print_bmap (struct super_block * s, int silent); -void print_bmap_block (int i, char * data, int size, int silent); +void reiserfs_panic(struct super_block *s, const char *fmt, ...) + __attribute__ ((noreturn)); +void reiserfs_info(struct super_block *s, const char *fmt, ...); +void reiserfs_debug(struct super_block *s, int level, const char *fmt, ...); +void print_indirect_item(struct buffer_head *bh, int item_num); +void store_print_tb(struct tree_balance *tb); +void print_cur_tb(char *mes); +void print_de(struct reiserfs_dir_entry *de); +void print_bi(struct buffer_info *bi, char *mes); +#define PRINT_LEAF_ITEMS 1 /* print all items */ +#define PRINT_DIRECTORY_ITEMS 2 /* print directory items */ +#define PRINT_DIRECT_ITEMS 4 /* print contents of direct items */ +void print_block(struct buffer_head *bh, ...); +void print_bmap(struct super_block *s, int silent); +void print_bmap_block(int i, char *data, int size, int silent); /*void print_super_block (struct super_block * s, char * mes);*/ -void print_objectid_map (struct super_block * s); -void print_block_head (struct buffer_head * bh, char * mes); -void check_leaf (struct buffer_head * bh); -void check_internal (struct buffer_head * bh); -void print_statistics (struct super_block * s); -char * reiserfs_hashname(int code); +void print_objectid_map(struct super_block *s); +void print_block_head(struct buffer_head *bh, char *mes); +void check_leaf(struct buffer_head *bh); +void check_internal(struct buffer_head *bh); +void print_statistics(struct super_block *s); +char *reiserfs_hashname(int code); /* lbalance.c */ -int leaf_move_items (int shift_mode, struct tree_balance * tb, int mov_num, int mov_bytes, struct buffer_head * Snew); -int leaf_shift_left (struct tree_balance * tb, int shift_num, int shift_bytes); -int leaf_shift_right (struct tree_balance * tb, int shift_num, int shift_bytes); -void leaf_delete_items (struct buffer_info * cur_bi, int last_first, int first, int del_num, int del_bytes); -void leaf_insert_into_buf (struct buffer_info * bi, int before, - struct item_head * inserted_item_ih, const char * inserted_item_body, int zeros_number); -void leaf_paste_in_buffer (struct buffer_info * bi, int pasted_item_num, - int pos_in_item, int paste_size, const char * body, int zeros_number); -void leaf_cut_from_buffer (struct buffer_info * bi, int cut_item_num, int pos_in_item, - int cut_size); -void leaf_paste_entries (struct buffer_head * bh, int item_num, int before, - int new_entry_count, struct reiserfs_de_head * new_dehs, const char * records, int paste_size); +int leaf_move_items(int shift_mode, struct tree_balance *tb, int mov_num, + int mov_bytes, struct buffer_head *Snew); +int leaf_shift_left(struct tree_balance *tb, int shift_num, int shift_bytes); +int leaf_shift_right(struct tree_balance *tb, int shift_num, int shift_bytes); +void leaf_delete_items(struct buffer_info *cur_bi, int last_first, int first, + int del_num, int del_bytes); +void leaf_insert_into_buf(struct buffer_info *bi, int before, + struct item_head *inserted_item_ih, + const char *inserted_item_body, int zeros_number); +void leaf_paste_in_buffer(struct buffer_info *bi, int pasted_item_num, + int pos_in_item, int paste_size, const char *body, + int zeros_number); +void leaf_cut_from_buffer(struct buffer_info *bi, int cut_item_num, + int pos_in_item, int cut_size); +void leaf_paste_entries(struct buffer_head *bh, int item_num, int before, + int new_entry_count, struct reiserfs_de_head *new_dehs, + const char *records, int paste_size); /* ibalance.c */ -int balance_internal (struct tree_balance * , int, int, struct item_head * , - struct buffer_head **); +int balance_internal(struct tree_balance *, int, int, struct item_head *, + struct buffer_head **); /* do_balance.c */ -void do_balance_mark_leaf_dirty (struct tree_balance * tb, - struct buffer_head * bh, int flag); +void do_balance_mark_leaf_dirty(struct tree_balance *tb, + struct buffer_head *bh, int flag); #define do_balance_mark_internal_dirty do_balance_mark_leaf_dirty #define do_balance_mark_sb_dirty do_balance_mark_leaf_dirty -void do_balance (struct tree_balance * tb, struct item_head * ih, - const char * body, int flag); -void reiserfs_invalidate_buffer (struct tree_balance * tb, struct buffer_head * bh); +void do_balance(struct tree_balance *tb, struct item_head *ih, + const char *body, int flag); +void reiserfs_invalidate_buffer(struct tree_balance *tb, + struct buffer_head *bh); -int get_left_neighbor_position (struct tree_balance * tb, int h); -int get_right_neighbor_position (struct tree_balance * tb, int h); -void replace_key (struct tree_balance * tb, struct buffer_head *, int, struct buffer_head *, int); -void make_empty_node (struct buffer_info *); -struct buffer_head * get_FEB (struct tree_balance *); +int get_left_neighbor_position(struct tree_balance *tb, int h); +int get_right_neighbor_position(struct tree_balance *tb, int h); +void replace_key(struct tree_balance *tb, struct buffer_head *, int, + struct buffer_head *, int); +void make_empty_node(struct buffer_info *); +struct buffer_head *get_FEB(struct tree_balance *); /* bitmap.c */ /* structure contains hints for block allocator, and it is a container for * arguments, such as node, search path, transaction_handle, etc. */ - struct __reiserfs_blocknr_hint { - struct inode * inode; /* inode passed to allocator, if we allocate unf. nodes */ - long block; /* file offset, in blocks */ - struct in_core_key key; - struct path * path; /* search path, used by allocator to deternine search_start by - * various ways */ - struct reiserfs_transaction_handle * th; /* transaction handle is needed to log super blocks and - * bitmap blocks changes */ - b_blocknr_t beg, end; - b_blocknr_t search_start; /* a field used to transfer search start value (block number) +struct __reiserfs_blocknr_hint { + struct inode *inode; /* inode passed to allocator, if we allocate unf. nodes */ + long block; /* file offset, in blocks */ + struct in_core_key key; + struct path *path; /* search path, used by allocator to deternine search_start by + * various ways */ + struct reiserfs_transaction_handle *th; /* transaction handle is needed to log super blocks and + * bitmap blocks changes */ + b_blocknr_t beg, end; + b_blocknr_t search_start; /* a field used to transfer search start value (block number) * between different block allocator procedures * (determine_search_start() and others) */ - int prealloc_size; /* is set in determine_prealloc_size() function, used by underlayed - * function that do actual allocation */ + int prealloc_size; /* is set in determine_prealloc_size() function, used by underlayed + * function that do actual allocation */ - unsigned formatted_node:1; /* the allocator uses different polices for getting disk space for + unsigned formatted_node:1; /* the allocator uses different polices for getting disk space for * formatted/unformatted blocks with/without preallocation */ - unsigned preallocate:1; + unsigned preallocate:1; }; typedef struct __reiserfs_blocknr_hint reiserfs_blocknr_hint_t; -int reiserfs_parse_alloc_options (struct super_block *, char *); -void reiserfs_init_alloc_options (struct super_block *s); +int reiserfs_parse_alloc_options(struct super_block *, char *); +void reiserfs_init_alloc_options(struct super_block *s); /* * given a directory, this will tell you what packing locality @@ -2111,68 +2092,72 @@ void reiserfs_init_alloc_options (struct super_block *s); */ __le32 reiserfs_choose_packing(struct inode *dir); -int is_reusable (struct super_block * s, b_blocknr_t block, int bit_value); -void reiserfs_free_block (struct reiserfs_transaction_handle *th, struct inode *, b_blocknr_t, int for_unformatted); -int reiserfs_allocate_blocknrs(reiserfs_blocknr_hint_t *, b_blocknr_t * , int, int); -extern inline int reiserfs_new_form_blocknrs (struct tree_balance * tb, - b_blocknr_t *new_blocknrs, int amount_needed) +int is_reusable(struct super_block *s, b_blocknr_t block, int bit_value); +void reiserfs_free_block(struct reiserfs_transaction_handle *th, struct inode *, + b_blocknr_t, int for_unformatted); +int reiserfs_allocate_blocknrs(reiserfs_blocknr_hint_t *, b_blocknr_t *, int, + int); +extern inline int reiserfs_new_form_blocknrs(struct tree_balance *tb, + b_blocknr_t * new_blocknrs, + int amount_needed) { - reiserfs_blocknr_hint_t hint = { - .th = tb->transaction_handle, - .path = tb->tb_path, - .inode = NULL, - .key = tb->key, - .block = 0, - .formatted_node = 1 - }; - return reiserfs_allocate_blocknrs(&hint, new_blocknrs, amount_needed, 0); + reiserfs_blocknr_hint_t hint = { + .th = tb->transaction_handle, + .path = tb->tb_path, + .inode = NULL, + .key = tb->key, + .block = 0, + .formatted_node = 1 + }; + return reiserfs_allocate_blocknrs(&hint, new_blocknrs, amount_needed, + 0); } -extern inline int reiserfs_new_unf_blocknrs (struct reiserfs_transaction_handle *th, - struct inode *inode, - b_blocknr_t *new_blocknrs, - struct path * path, long block) +extern inline int reiserfs_new_unf_blocknrs(struct reiserfs_transaction_handle + *th, struct inode *inode, + b_blocknr_t * new_blocknrs, + struct path *path, long block) { - reiserfs_blocknr_hint_t hint = { - .th = th, - .path = path, - .inode = inode, - .block = block, - .formatted_node = 0, - .preallocate = 0 - }; - return reiserfs_allocate_blocknrs(&hint, new_blocknrs, 1, 0); + reiserfs_blocknr_hint_t hint = { + .th = th, + .path = path, + .inode = inode, + .block = block, + .formatted_node = 0, + .preallocate = 0 + }; + return reiserfs_allocate_blocknrs(&hint, new_blocknrs, 1, 0); } #ifdef REISERFS_PREALLOCATE -extern inline int reiserfs_new_unf_blocknrs2(struct reiserfs_transaction_handle *th, - struct inode * inode, - b_blocknr_t *new_blocknrs, - struct path * path, long block) +extern inline int reiserfs_new_unf_blocknrs2(struct reiserfs_transaction_handle + *th, struct inode *inode, + b_blocknr_t * new_blocknrs, + struct path *path, long block) { - reiserfs_blocknr_hint_t hint = { - .th = th, - .path = path, - .inode = inode, - .block = block, - .formatted_node = 0, - .preallocate = 1 - }; - return reiserfs_allocate_blocknrs(&hint, new_blocknrs, 1, 0); + reiserfs_blocknr_hint_t hint = { + .th = th, + .path = path, + .inode = inode, + .block = block, + .formatted_node = 0, + .preallocate = 1 + }; + return reiserfs_allocate_blocknrs(&hint, new_blocknrs, 1, 0); } -void reiserfs_discard_prealloc (struct reiserfs_transaction_handle *th, - struct inode * inode); -void reiserfs_discard_all_prealloc (struct reiserfs_transaction_handle *th); +void reiserfs_discard_prealloc(struct reiserfs_transaction_handle *th, + struct inode *inode); +void reiserfs_discard_all_prealloc(struct reiserfs_transaction_handle *th); #endif -void reiserfs_claim_blocks_to_be_allocated( struct super_block *sb, int blocks); -void reiserfs_release_claimed_blocks( struct super_block *sb, int blocks); +void reiserfs_claim_blocks_to_be_allocated(struct super_block *sb, int blocks); +void reiserfs_release_claimed_blocks(struct super_block *sb, int blocks); int reiserfs_can_fit_pages(struct super_block *sb); /* hashes.c */ -__u32 keyed_hash (const signed char *msg, int len); -__u32 yura_hash (const signed char *msg, int len); -__u32 r5_hash (const signed char *msg, int len); +__u32 keyed_hash(const signed char *msg, int len); +__u32 yura_hash(const signed char *msg, int len); +__u32 r5_hash(const signed char *msg, int len); /* the ext2 bit routines adjust for big or little endian as ** appropriate for the arch, so in our laziness we use them rather @@ -2192,11 +2177,10 @@ __u32 r5_hash (const signed char *msg, int len); absolutely safe */ #define SPARE_SPACE 500 - /* prototypes from ioctl.c */ -int reiserfs_ioctl (struct inode * inode, struct file * filp, - unsigned int cmd, unsigned long arg); - +int reiserfs_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + /* ioctl's command */ #define REISERFS_IOC_UNPACK _IOW(0xCD,1,long) /* define following flags to be the same as in ext2, so that chattr(1), @@ -2211,10 +2195,8 @@ int reiserfs_ioctl (struct inode * inode, struct file * filp, would evolve into real per-fs locks */ #define reiserfs_write_lock( sb ) lock_kernel() #define reiserfs_write_unlock( sb ) unlock_kernel() - + /* xattr stuff */ #define REISERFS_XATTR_DIR_SEM(s) (REISERFS_SB(s)->xattr_dir_sem) -#endif /* _LINUX_REISER_FS_H */ - - +#endif /* _LINUX_REISER_FS_H */ diff --git a/include/linux/reiserfs_fs_i.h b/include/linux/reiserfs_fs_i.h index e321eb050d6..149be8d9a0c 100644 --- a/include/linux/reiserfs_fs_i.h +++ b/include/linux/reiserfs_fs_i.h @@ -10,54 +10,53 @@ typedef enum { /** this says what format of key do all items (but stat data) of an object have. If this is set, that format is 3.6 otherwise - 3.5 */ - i_item_key_version_mask = 0x0001, + i_item_key_version_mask = 0x0001, /** If this is unset, object has 3.5 stat data, otherwise, it has 3.6 stat data with 64bit size, 32bit nlink etc. */ - i_stat_data_version_mask = 0x0002, + i_stat_data_version_mask = 0x0002, /** file might need tail packing on close */ - i_pack_on_close_mask = 0x0004, + i_pack_on_close_mask = 0x0004, /** don't pack tail of file */ - i_nopack_mask = 0x0008, + i_nopack_mask = 0x0008, /** If those is set, "safe link" was created for this file during truncate or unlink. Safe link is used to avoid leakage of disk space on crash with some files open, but unlinked. */ - i_link_saved_unlink_mask = 0x0010, - i_link_saved_truncate_mask = 0x0020, - i_has_xattr_dir = 0x0040, - i_data_log = 0x0080, + i_link_saved_unlink_mask = 0x0010, + i_link_saved_truncate_mask = 0x0020, + i_has_xattr_dir = 0x0040, + i_data_log = 0x0080, } reiserfs_inode_flags; - struct reiserfs_inode_info { - __u32 i_key [4];/* key is still 4 32 bit integers */ + __u32 i_key[4]; /* key is still 4 32 bit integers */ /** transient inode flags that are never stored on disk. Bitmasks for this field are defined above. */ - __u32 i_flags; + __u32 i_flags; - __u32 i_first_direct_byte; // offset of first byte stored in direct item. + __u32 i_first_direct_byte; // offset of first byte stored in direct item. - /* copy of persistent inode flags read from sd_attrs. */ - __u32 i_attrs; + /* copy of persistent inode flags read from sd_attrs. */ + __u32 i_attrs; - int i_prealloc_block; /* first unused block of a sequence of unused blocks */ - int i_prealloc_count; /* length of that sequence */ - struct list_head i_prealloc_list; /* per-transaction list of inodes which - * have preallocated blocks */ + int i_prealloc_block; /* first unused block of a sequence of unused blocks */ + int i_prealloc_count; /* length of that sequence */ + struct list_head i_prealloc_list; /* per-transaction list of inodes which + * have preallocated blocks */ - unsigned new_packing_locality:1; /* new_packig_locality is created; new blocks - * for the contents of this directory should be - * displaced */ + unsigned new_packing_locality:1; /* new_packig_locality is created; new blocks + * for the contents of this directory should be + * displaced */ - /* we use these for fsync or O_SYNC to decide which transaction - ** needs to be committed in order for this inode to be properly - ** flushed */ - unsigned long i_trans_id ; - struct reiserfs_journal_list *i_jl; + /* we use these for fsync or O_SYNC to decide which transaction + ** needs to be committed in order for this inode to be properly + ** flushed */ + unsigned long i_trans_id; + struct reiserfs_journal_list *i_jl; - struct posix_acl *i_acl_access; - struct posix_acl *i_acl_default; - struct rw_semaphore xattr_sem; - struct inode vfs_inode; + struct posix_acl *i_acl_access; + struct posix_acl *i_acl_default; + struct rw_semaphore xattr_sem; + struct inode vfs_inode; }; #endif diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h index 37a3a7afbec..3e68592e52e 100644 --- a/include/linux/reiserfs_fs_sb.h +++ b/include/linux/reiserfs_fs_sb.h @@ -10,7 +10,7 @@ #endif typedef enum { - reiserfs_attrs_cleared = 0x00000001, + reiserfs_attrs_cleared = 0x00000001, } reiserfs_super_block_flags; /* struct reiserfs_super_block accessors/mutators @@ -61,7 +61,7 @@ typedef enum { #define sb_umount_state(sbp) (le16_to_cpu((sbp)->s_v1.s_umount_state)) #define set_sb_umount_state(sbp,v) ((sbp)->s_v1.s_umount_state = cpu_to_le16(v)) #define sb_fs_state(sbp) (le16_to_cpu((sbp)->s_v1.s_fs_state)) -#define set_sb_fs_state(sbp,v) ((sbp)->s_v1.s_fs_state = cpu_to_le16(v)) +#define set_sb_fs_state(sbp,v) ((sbp)->s_v1.s_fs_state = cpu_to_le16(v)) #define sb_hash_function_code(sbp) \ (le32_to_cpu((sbp)->s_v1.s_hash_function_code)) #define set_sb_hash_function_code(sbp,v) \ @@ -103,10 +103,10 @@ typedef enum { /* don't mess with these for a while */ /* we have a node size define somewhere in reiserfs_fs.h. -Hans */ -#define JOURNAL_BLOCK_SIZE 4096 /* BUG gotta get rid of this */ -#define JOURNAL_MAX_CNODE 1500 /* max cnodes to allocate. */ -#define JOURNAL_HASH_SIZE 8192 -#define JOURNAL_NUM_BITMAPS 5 /* number of copies of the bitmaps to have floating. Must be >= 2 */ +#define JOURNAL_BLOCK_SIZE 4096 /* BUG gotta get rid of this */ +#define JOURNAL_MAX_CNODE 1500 /* max cnodes to allocate. */ +#define JOURNAL_HASH_SIZE 8192 +#define JOURNAL_NUM_BITMAPS 5 /* number of copies of the bitmaps to have floating. Must be >= 2 */ /* One of these for every block in every transaction ** Each one is in two hash tables. First, a hash of the current transaction, and after journal_end, a @@ -117,27 +117,27 @@ typedef enum { ** to a given transaction. */ struct reiserfs_journal_cnode { - struct buffer_head *bh ; /* real buffer head */ - struct super_block *sb ; /* dev of real buffer head */ - __u32 blocknr ; /* block number of real buffer head, == 0 when buffer on disk */ - long state ; - struct reiserfs_journal_list *jlist ; /* journal list this cnode lives in */ - struct reiserfs_journal_cnode *next ; /* next in transaction list */ - struct reiserfs_journal_cnode *prev ; /* prev in transaction list */ - struct reiserfs_journal_cnode *hprev ; /* prev in hash list */ - struct reiserfs_journal_cnode *hnext ; /* next in hash list */ + struct buffer_head *bh; /* real buffer head */ + struct super_block *sb; /* dev of real buffer head */ + __u32 blocknr; /* block number of real buffer head, == 0 when buffer on disk */ + long state; + struct reiserfs_journal_list *jlist; /* journal list this cnode lives in */ + struct reiserfs_journal_cnode *next; /* next in transaction list */ + struct reiserfs_journal_cnode *prev; /* prev in transaction list */ + struct reiserfs_journal_cnode *hprev; /* prev in hash list */ + struct reiserfs_journal_cnode *hnext; /* next in hash list */ }; struct reiserfs_bitmap_node { - int id ; - char *data ; - struct list_head list ; -} ; + int id; + char *data; + struct list_head list; +}; struct reiserfs_list_bitmap { - struct reiserfs_journal_list *journal_list ; - struct reiserfs_bitmap_node **bitmaps ; -} ; + struct reiserfs_journal_list *journal_list; + struct reiserfs_bitmap_node **bitmaps; +}; /* ** one of these for each transaction. The most important part here is the j_realblock. @@ -146,273 +146,269 @@ struct reiserfs_list_bitmap { ** and to make sure every real block in a transaction is on disk before allowing the log area ** to be overwritten */ struct reiserfs_journal_list { - unsigned long j_start ; - unsigned long j_state; - unsigned long j_len ; - atomic_t j_nonzerolen ; - atomic_t j_commit_left ; - atomic_t j_older_commits_done ; /* all commits older than this on disk*/ - struct semaphore j_commit_lock; - unsigned long j_trans_id ; - time_t j_timestamp ; - struct reiserfs_list_bitmap *j_list_bitmap ; - struct buffer_head *j_commit_bh ; /* commit buffer head */ - struct reiserfs_journal_cnode *j_realblock ; - struct reiserfs_journal_cnode *j_freedlist ; /* list of buffers that were freed during this trans. free each of these on flush */ - /* time ordered list of all active transactions */ - struct list_head j_list; - - /* time ordered list of all transactions we haven't tried to flush yet */ - struct list_head j_working_list; - - /* list of tail conversion targets in need of flush before commit */ - struct list_head j_tail_bh_list; - /* list of data=ordered buffers in need of flush before commit */ - struct list_head j_bh_list; - int j_refcount; -} ; + unsigned long j_start; + unsigned long j_state; + unsigned long j_len; + atomic_t j_nonzerolen; + atomic_t j_commit_left; + atomic_t j_older_commits_done; /* all commits older than this on disk */ + struct semaphore j_commit_lock; + unsigned long j_trans_id; + time_t j_timestamp; + struct reiserfs_list_bitmap *j_list_bitmap; + struct buffer_head *j_commit_bh; /* commit buffer head */ + struct reiserfs_journal_cnode *j_realblock; + struct reiserfs_journal_cnode *j_freedlist; /* list of buffers that were freed during this trans. free each of these on flush */ + /* time ordered list of all active transactions */ + struct list_head j_list; + + /* time ordered list of all transactions we haven't tried to flush yet */ + struct list_head j_working_list; + + /* list of tail conversion targets in need of flush before commit */ + struct list_head j_tail_bh_list; + /* list of data=ordered buffers in need of flush before commit */ + struct list_head j_bh_list; + int j_refcount; +}; struct reiserfs_journal { - struct buffer_head ** j_ap_blocks ; /* journal blocks on disk */ - struct reiserfs_journal_cnode *j_last ; /* newest journal block */ - struct reiserfs_journal_cnode *j_first ; /* oldest journal block. start here for traverse */ - - struct file *j_dev_file; - struct block_device *j_dev_bd; - int j_1st_reserved_block; /* first block on s_dev of reserved area journal */ - - long j_state ; - unsigned long j_trans_id ; - unsigned long j_mount_id ; - unsigned long j_start ; /* start of current waiting commit (index into j_ap_blocks) */ - unsigned long j_len ; /* lenght of current waiting commit */ - unsigned long j_len_alloc ; /* number of buffers requested by journal_begin() */ - atomic_t j_wcount ; /* count of writers for current commit */ - unsigned long j_bcount ; /* batch count. allows turning X transactions into 1 */ - unsigned long j_first_unflushed_offset ; /* first unflushed transactions offset */ - unsigned long j_last_flush_trans_id ; /* last fully flushed journal timestamp */ - struct buffer_head *j_header_bh ; - - time_t j_trans_start_time ; /* time this transaction started */ - struct semaphore j_lock; - struct semaphore j_flush_sem; - wait_queue_head_t j_join_wait ; /* wait for current transaction to finish before starting new one */ - atomic_t j_jlock ; /* lock for j_join_wait */ - int j_list_bitmap_index ; /* number of next list bitmap to use */ - int j_must_wait ; /* no more journal begins allowed. MUST sleep on j_join_wait */ - int j_next_full_flush ; /* next journal_end will flush all journal list */ - int j_next_async_flush ; /* next journal_end will flush all async commits */ - - int j_cnode_used ; /* number of cnodes on the used list */ - int j_cnode_free ; /* number of cnodes on the free list */ - - unsigned int j_trans_max ; /* max number of blocks in a transaction. */ - unsigned int j_max_batch ; /* max number of blocks to batch into a trans */ - unsigned int j_max_commit_age ; /* in seconds, how old can an async commit be */ - unsigned int j_max_trans_age ; /* in seconds, how old can a transaction be */ - unsigned int j_default_max_commit_age ; /* the default for the max commit age */ - - struct reiserfs_journal_cnode *j_cnode_free_list ; - struct reiserfs_journal_cnode *j_cnode_free_orig ; /* orig pointer returned from vmalloc */ - - struct reiserfs_journal_list *j_current_jl; - int j_free_bitmap_nodes ; - int j_used_bitmap_nodes ; - - int j_num_lists; /* total number of active transactions */ - int j_num_work_lists; /* number that need attention from kreiserfsd */ - - /* debugging to make sure things are flushed in order */ - int j_last_flush_id; - - /* debugging to make sure things are committed in order */ - int j_last_commit_id; - - struct list_head j_bitmap_nodes ; - struct list_head j_dirty_buffers ; - spinlock_t j_dirty_buffers_lock ; /* protects j_dirty_buffers */ - - /* list of all active transactions */ - struct list_head j_journal_list; - /* lists that haven't been touched by writeback attempts */ - struct list_head j_working_list; - - struct reiserfs_list_bitmap j_list_bitmap[JOURNAL_NUM_BITMAPS] ; /* array of bitmaps to record the deleted blocks */ - struct reiserfs_journal_cnode *j_hash_table[JOURNAL_HASH_SIZE] ; /* hash table for real buffer heads in current trans */ - struct reiserfs_journal_cnode *j_list_hash_table[JOURNAL_HASH_SIZE] ; /* hash table for all the real buffer heads in all - the transactions */ - struct list_head j_prealloc_list; /* list of inodes which have preallocated blocks */ - int j_persistent_trans; - unsigned long j_max_trans_size ; - unsigned long j_max_batch_size ; - - int j_errno; - - /* when flushing ordered buffers, throttle new ordered writers */ - struct work_struct j_work; - atomic_t j_async_throttle; + struct buffer_head **j_ap_blocks; /* journal blocks on disk */ + struct reiserfs_journal_cnode *j_last; /* newest journal block */ + struct reiserfs_journal_cnode *j_first; /* oldest journal block. start here for traverse */ + + struct file *j_dev_file; + struct block_device *j_dev_bd; + int j_1st_reserved_block; /* first block on s_dev of reserved area journal */ + + long j_state; + unsigned long j_trans_id; + unsigned long j_mount_id; + unsigned long j_start; /* start of current waiting commit (index into j_ap_blocks) */ + unsigned long j_len; /* lenght of current waiting commit */ + unsigned long j_len_alloc; /* number of buffers requested by journal_begin() */ + atomic_t j_wcount; /* count of writers for current commit */ + unsigned long j_bcount; /* batch count. allows turning X transactions into 1 */ + unsigned long j_first_unflushed_offset; /* first unflushed transactions offset */ + unsigned long j_last_flush_trans_id; /* last fully flushed journal timestamp */ + struct buffer_head *j_header_bh; + + time_t j_trans_start_time; /* time this transaction started */ + struct semaphore j_lock; + struct semaphore j_flush_sem; + wait_queue_head_t j_join_wait; /* wait for current transaction to finish before starting new one */ + atomic_t j_jlock; /* lock for j_join_wait */ + int j_list_bitmap_index; /* number of next list bitmap to use */ + int j_must_wait; /* no more journal begins allowed. MUST sleep on j_join_wait */ + int j_next_full_flush; /* next journal_end will flush all journal list */ + int j_next_async_flush; /* next journal_end will flush all async commits */ + + int j_cnode_used; /* number of cnodes on the used list */ + int j_cnode_free; /* number of cnodes on the free list */ + + unsigned int j_trans_max; /* max number of blocks in a transaction. */ + unsigned int j_max_batch; /* max number of blocks to batch into a trans */ + unsigned int j_max_commit_age; /* in seconds, how old can an async commit be */ + unsigned int j_max_trans_age; /* in seconds, how old can a transaction be */ + unsigned int j_default_max_commit_age; /* the default for the max commit age */ + + struct reiserfs_journal_cnode *j_cnode_free_list; + struct reiserfs_journal_cnode *j_cnode_free_orig; /* orig pointer returned from vmalloc */ + + struct reiserfs_journal_list *j_current_jl; + int j_free_bitmap_nodes; + int j_used_bitmap_nodes; + + int j_num_lists; /* total number of active transactions */ + int j_num_work_lists; /* number that need attention from kreiserfsd */ + + /* debugging to make sure things are flushed in order */ + int j_last_flush_id; + + /* debugging to make sure things are committed in order */ + int j_last_commit_id; + + struct list_head j_bitmap_nodes; + struct list_head j_dirty_buffers; + spinlock_t j_dirty_buffers_lock; /* protects j_dirty_buffers */ + + /* list of all active transactions */ + struct list_head j_journal_list; + /* lists that haven't been touched by writeback attempts */ + struct list_head j_working_list; + + struct reiserfs_list_bitmap j_list_bitmap[JOURNAL_NUM_BITMAPS]; /* array of bitmaps to record the deleted blocks */ + struct reiserfs_journal_cnode *j_hash_table[JOURNAL_HASH_SIZE]; /* hash table for real buffer heads in current trans */ + struct reiserfs_journal_cnode *j_list_hash_table[JOURNAL_HASH_SIZE]; /* hash table for all the real buffer heads in all + the transactions */ + struct list_head j_prealloc_list; /* list of inodes which have preallocated blocks */ + int j_persistent_trans; + unsigned long j_max_trans_size; + unsigned long j_max_batch_size; + + int j_errno; + + /* when flushing ordered buffers, throttle new ordered writers */ + struct work_struct j_work; + atomic_t j_async_throttle; }; enum journal_state_bits { - J_WRITERS_BLOCKED = 1, /* set when new writers not allowed */ - J_WRITERS_QUEUED, /* set when log is full due to too many writers */ - J_ABORTED, /* set when log is aborted */ + J_WRITERS_BLOCKED = 1, /* set when new writers not allowed */ + J_WRITERS_QUEUED, /* set when log is full due to too many writers */ + J_ABORTED, /* set when log is aborted */ }; +#define JOURNAL_DESC_MAGIC "ReIsErLB" /* ick. magic string to find desc blocks in the journal */ -#define JOURNAL_DESC_MAGIC "ReIsErLB" /* ick. magic string to find desc blocks in the journal */ +typedef __u32(*hashf_t) (const signed char *, int); -typedef __u32 (*hashf_t) (const signed char *, int); - -struct reiserfs_bitmap_info -{ - // FIXME: Won't work with block sizes > 8K - __u16 first_zero_hint; - __u16 free_count; - struct buffer_head *bh; /* the actual bitmap */ +struct reiserfs_bitmap_info { + // FIXME: Won't work with block sizes > 8K + __u16 first_zero_hint; + __u16 free_count; + struct buffer_head *bh; /* the actual bitmap */ }; struct proc_dir_entry; #if defined( CONFIG_PROC_FS ) && defined( CONFIG_REISERFS_PROC_INFO ) typedef unsigned long int stat_cnt_t; -typedef struct reiserfs_proc_info_data -{ - spinlock_t lock; - int exiting; - int max_hash_collisions; - - stat_cnt_t breads; - stat_cnt_t bread_miss; - stat_cnt_t search_by_key; - stat_cnt_t search_by_key_fs_changed; - stat_cnt_t search_by_key_restarted; - - stat_cnt_t insert_item_restarted; - stat_cnt_t paste_into_item_restarted; - stat_cnt_t cut_from_item_restarted; - stat_cnt_t delete_solid_item_restarted; - stat_cnt_t delete_item_restarted; - - stat_cnt_t leaked_oid; - stat_cnt_t leaves_removable; - - /* balances per level. Use explicit 5 as MAX_HEIGHT is not visible yet. */ - stat_cnt_t balance_at[ 5 ]; /* XXX */ - /* sbk == search_by_key */ - stat_cnt_t sbk_read_at[ 5 ]; /* XXX */ - stat_cnt_t sbk_fs_changed[ 5 ]; - stat_cnt_t sbk_restarted[ 5 ]; - stat_cnt_t items_at[ 5 ]; /* XXX */ - stat_cnt_t free_at[ 5 ]; /* XXX */ - stat_cnt_t can_node_be_removed[ 5 ]; /* XXX */ - long int lnum[ 5 ]; /* XXX */ - long int rnum[ 5 ]; /* XXX */ - long int lbytes[ 5 ]; /* XXX */ - long int rbytes[ 5 ]; /* XXX */ - stat_cnt_t get_neighbors[ 5 ]; - stat_cnt_t get_neighbors_restart[ 5 ]; - stat_cnt_t need_l_neighbor[ 5 ]; - stat_cnt_t need_r_neighbor[ 5 ]; - - stat_cnt_t free_block; - struct __scan_bitmap_stats { - stat_cnt_t call; - stat_cnt_t wait; - stat_cnt_t bmap; - stat_cnt_t retry; - stat_cnt_t in_journal_hint; - stat_cnt_t in_journal_nohint; - stat_cnt_t stolen; - } scan_bitmap; - struct __journal_stats { - stat_cnt_t in_journal; - stat_cnt_t in_journal_bitmap; - stat_cnt_t in_journal_reusable; - stat_cnt_t lock_journal; - stat_cnt_t lock_journal_wait; - stat_cnt_t journal_being; - stat_cnt_t journal_relock_writers; - stat_cnt_t journal_relock_wcount; - stat_cnt_t mark_dirty; - stat_cnt_t mark_dirty_already; - stat_cnt_t mark_dirty_notjournal; - stat_cnt_t restore_prepared; - stat_cnt_t prepare; - stat_cnt_t prepare_retry; - } journal; +typedef struct reiserfs_proc_info_data { + spinlock_t lock; + int exiting; + int max_hash_collisions; + + stat_cnt_t breads; + stat_cnt_t bread_miss; + stat_cnt_t search_by_key; + stat_cnt_t search_by_key_fs_changed; + stat_cnt_t search_by_key_restarted; + + stat_cnt_t insert_item_restarted; + stat_cnt_t paste_into_item_restarted; + stat_cnt_t cut_from_item_restarted; + stat_cnt_t delete_solid_item_restarted; + stat_cnt_t delete_item_restarted; + + stat_cnt_t leaked_oid; + stat_cnt_t leaves_removable; + + /* balances per level. Use explicit 5 as MAX_HEIGHT is not visible yet. */ + stat_cnt_t balance_at[5]; /* XXX */ + /* sbk == search_by_key */ + stat_cnt_t sbk_read_at[5]; /* XXX */ + stat_cnt_t sbk_fs_changed[5]; + stat_cnt_t sbk_restarted[5]; + stat_cnt_t items_at[5]; /* XXX */ + stat_cnt_t free_at[5]; /* XXX */ + stat_cnt_t can_node_be_removed[5]; /* XXX */ + long int lnum[5]; /* XXX */ + long int rnum[5]; /* XXX */ + long int lbytes[5]; /* XXX */ + long int rbytes[5]; /* XXX */ + stat_cnt_t get_neighbors[5]; + stat_cnt_t get_neighbors_restart[5]; + stat_cnt_t need_l_neighbor[5]; + stat_cnt_t need_r_neighbor[5]; + + stat_cnt_t free_block; + struct __scan_bitmap_stats { + stat_cnt_t call; + stat_cnt_t wait; + stat_cnt_t bmap; + stat_cnt_t retry; + stat_cnt_t in_journal_hint; + stat_cnt_t in_journal_nohint; + stat_cnt_t stolen; + } scan_bitmap; + struct __journal_stats { + stat_cnt_t in_journal; + stat_cnt_t in_journal_bitmap; + stat_cnt_t in_journal_reusable; + stat_cnt_t lock_journal; + stat_cnt_t lock_journal_wait; + stat_cnt_t journal_being; + stat_cnt_t journal_relock_writers; + stat_cnt_t journal_relock_wcount; + stat_cnt_t mark_dirty; + stat_cnt_t mark_dirty_already; + stat_cnt_t mark_dirty_notjournal; + stat_cnt_t restore_prepared; + stat_cnt_t prepare; + stat_cnt_t prepare_retry; + } journal; } reiserfs_proc_info_data_t; #else -typedef struct reiserfs_proc_info_data -{} reiserfs_proc_info_data_t; +typedef struct reiserfs_proc_info_data { +} reiserfs_proc_info_data_t; #endif /* reiserfs union of in-core super block data */ -struct reiserfs_sb_info -{ - struct buffer_head * s_sbh; /* Buffer containing the super block */ - /* both the comment and the choice of - name are unclear for s_rs -Hans */ - struct reiserfs_super_block * s_rs; /* Pointer to the super block in the buffer */ - struct reiserfs_bitmap_info * s_ap_bitmap; - struct reiserfs_journal *s_journal ; /* pointer to journal information */ - unsigned short s_mount_state; /* reiserfs state (valid, invalid) */ - - /* Comment? -Hans */ - void (*end_io_handler)(struct buffer_head *, int); - hashf_t s_hash_function; /* pointer to function which is used - to sort names in directory. Set on - mount */ - unsigned long s_mount_opt; /* reiserfs's mount options are set - here (currently - NOTAIL, NOLOG, - REPLAYONLY) */ - - struct { /* This is a structure that describes block allocator options */ - unsigned long bits; /* Bitfield for enable/disable kind of options */ - unsigned long large_file_size; /* size started from which we consider file to be a large one(in blocks) */ - int border; /* percentage of disk, border takes */ - int preallocmin; /* Minimal file size (in blocks) starting from which we do preallocations */ - int preallocsize; /* Number of blocks we try to prealloc when file - reaches preallocmin size (in blocks) or - prealloc_list is empty. */ - } s_alloc_options; - - /* Comment? -Hans */ - wait_queue_head_t s_wait; - /* To be obsoleted soon by per buffer seals.. -Hans */ - atomic_t s_generation_counter; // increased by one every time the - // tree gets re-balanced - unsigned long s_properties; /* File system properties. Currently holds - on-disk FS format */ - - /* session statistics */ - int s_kmallocs; - int s_disk_reads; - int s_disk_writes; - int s_fix_nodes; - int s_do_balance; - int s_unneeded_left_neighbor; - int s_good_search_by_key_reada; - int s_bmaps; - int s_bmaps_without_search; - int s_direct2indirect; - int s_indirect2direct; +struct reiserfs_sb_info { + struct buffer_head *s_sbh; /* Buffer containing the super block */ + /* both the comment and the choice of + name are unclear for s_rs -Hans */ + struct reiserfs_super_block *s_rs; /* Pointer to the super block in the buffer */ + struct reiserfs_bitmap_info *s_ap_bitmap; + struct reiserfs_journal *s_journal; /* pointer to journal information */ + unsigned short s_mount_state; /* reiserfs state (valid, invalid) */ + + /* Comment? -Hans */ + void (*end_io_handler) (struct buffer_head *, int); + hashf_t s_hash_function; /* pointer to function which is used + to sort names in directory. Set on + mount */ + unsigned long s_mount_opt; /* reiserfs's mount options are set + here (currently - NOTAIL, NOLOG, + REPLAYONLY) */ + + struct { /* This is a structure that describes block allocator options */ + unsigned long bits; /* Bitfield for enable/disable kind of options */ + unsigned long large_file_size; /* size started from which we consider file to be a large one(in blocks) */ + int border; /* percentage of disk, border takes */ + int preallocmin; /* Minimal file size (in blocks) starting from which we do preallocations */ + int preallocsize; /* Number of blocks we try to prealloc when file + reaches preallocmin size (in blocks) or + prealloc_list is empty. */ + } s_alloc_options; + + /* Comment? -Hans */ + wait_queue_head_t s_wait; + /* To be obsoleted soon by per buffer seals.. -Hans */ + atomic_t s_generation_counter; // increased by one every time the + // tree gets re-balanced + unsigned long s_properties; /* File system properties. Currently holds + on-disk FS format */ + + /* session statistics */ + int s_kmallocs; + int s_disk_reads; + int s_disk_writes; + int s_fix_nodes; + int s_do_balance; + int s_unneeded_left_neighbor; + int s_good_search_by_key_reada; + int s_bmaps; + int s_bmaps_without_search; + int s_direct2indirect; + int s_indirect2direct; /* set up when it's ok for reiserfs_read_inode2() to read from disk inode with nlink==0. Currently this is only used during finish_unfinished() processing at mount time */ - int s_is_unlinked_ok; - reiserfs_proc_info_data_t s_proc_info_data; - struct proc_dir_entry *procdir; - int reserved_blocks; /* amount of blocks reserved for further allocations */ - spinlock_t bitmap_lock; /* this lock on now only used to protect reserved_blocks variable */ - struct dentry *priv_root; /* root of /.reiserfs_priv */ - struct dentry *xattr_root; /* root of /.reiserfs_priv/.xa */ - struct rw_semaphore xattr_dir_sem; - - int j_errno; + int s_is_unlinked_ok; + reiserfs_proc_info_data_t s_proc_info_data; + struct proc_dir_entry *procdir; + int reserved_blocks; /* amount of blocks reserved for further allocations */ + spinlock_t bitmap_lock; /* this lock on now only used to protect reserved_blocks variable */ + struct dentry *priv_root; /* root of /.reiserfs_priv */ + struct dentry *xattr_root; /* root of /.reiserfs_priv/.xa */ + struct rw_semaphore xattr_dir_sem; + + int j_errno; #ifdef CONFIG_QUOTA - char *s_qf_names[MAXQUOTAS]; - int s_jquota_fmt; + char *s_qf_names[MAXQUOTAS]; + int s_jquota_fmt; #endif }; @@ -422,14 +418,14 @@ struct reiserfs_sb_info enum reiserfs_mount_options { /* Mount options */ - REISERFS_LARGETAIL, /* large tails will be created in a session */ - REISERFS_SMALLTAIL, /* small (for files less than block size) tails will be created in a session */ - REPLAYONLY, /* replay journal and return 0. Use by fsck */ - REISERFS_CONVERT, /* -o conv: causes conversion of old - format super block to the new - format. If not specified - old - partition will be dealt with in a - manner of 3.5.x */ + REISERFS_LARGETAIL, /* large tails will be created in a session */ + REISERFS_SMALLTAIL, /* small (for files less than block size) tails will be created in a session */ + REPLAYONLY, /* replay journal and return 0. Use by fsck */ + REISERFS_CONVERT, /* -o conv: causes conversion of old + format super block to the new + format. If not specified - old + partition will be dealt with in a + manner of 3.5.x */ /* -o hash={tea, rupasov, r5, detect} is meant for properly mounting ** reiserfs disks from 3.5.19 or earlier. 99% of the time, this option @@ -439,39 +435,41 @@ enum reiserfs_mount_options { ** the existing hash on the FS, so if you have a tea hash disk, and mount ** with -o hash=rupasov, the mount will fail. */ - FORCE_TEA_HASH, /* try to force tea hash on mount */ - FORCE_RUPASOV_HASH, /* try to force rupasov hash on mount */ - FORCE_R5_HASH, /* try to force rupasov hash on mount */ - FORCE_HASH_DETECT, /* try to detect hash function on mount */ + FORCE_TEA_HASH, /* try to force tea hash on mount */ + FORCE_RUPASOV_HASH, /* try to force rupasov hash on mount */ + FORCE_R5_HASH, /* try to force rupasov hash on mount */ + FORCE_HASH_DETECT, /* try to detect hash function on mount */ - REISERFS_DATA_LOG, - REISERFS_DATA_ORDERED, - REISERFS_DATA_WRITEBACK, + REISERFS_DATA_LOG, + REISERFS_DATA_ORDERED, + REISERFS_DATA_WRITEBACK, /* used for testing experimental features, makes benchmarking new features with and without more convenient, should never be used by users in any code shipped to users (ideally) */ - REISERFS_NO_BORDER, - REISERFS_NO_UNHASHED_RELOCATION, - REISERFS_HASHED_RELOCATION, - REISERFS_ATTRS, - REISERFS_XATTRS, - REISERFS_XATTRS_USER, - REISERFS_POSIXACL, - REISERFS_BARRIER_NONE, - REISERFS_BARRIER_FLUSH, - - /* Actions on error */ - REISERFS_ERROR_PANIC, - REISERFS_ERROR_RO, - REISERFS_ERROR_CONTINUE, - - REISERFS_TEST1, - REISERFS_TEST2, - REISERFS_TEST3, - REISERFS_TEST4, - REISERFS_UNSUPPORTED_OPT, + REISERFS_NO_BORDER, + REISERFS_NO_UNHASHED_RELOCATION, + REISERFS_HASHED_RELOCATION, + REISERFS_ATTRS, + REISERFS_XATTRS, + REISERFS_XATTRS_USER, + REISERFS_POSIXACL, + REISERFS_BARRIER_NONE, + REISERFS_BARRIER_FLUSH, + + /* Actions on error */ + REISERFS_ERROR_PANIC, + REISERFS_ERROR_RO, + REISERFS_ERROR_CONTINUE, + + REISERFS_QUOTA, /* Some quota option specified */ + + REISERFS_TEST1, + REISERFS_TEST2, + REISERFS_TEST3, + REISERFS_TEST4, + REISERFS_UNSUPPORTED_OPT, }; #define reiserfs_r5_hash(s) (REISERFS_SB(s)->s_mount_opt & (1 << FORCE_R5_HASH)) @@ -502,18 +500,17 @@ enum reiserfs_mount_options { #define reiserfs_error_panic(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_PANIC)) #define reiserfs_error_ro(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_RO)) -void reiserfs_file_buffer (struct buffer_head * bh, int list); +void reiserfs_file_buffer(struct buffer_head *bh, int list); extern struct file_system_type reiserfs_fs_type; -int reiserfs_resize(struct super_block *, unsigned long) ; +int reiserfs_resize(struct super_block *, unsigned long); #define CARRY_ON 0 #define SCHEDULE_OCCURRED 1 - #define SB_BUFFER_WITH_SB(s) (REISERFS_SB(s)->s_sbh) #define SB_JOURNAL(s) (REISERFS_SB(s)->s_journal) #define SB_JOURNAL_1st_RESERVED_BLOCK(s) (SB_JOURNAL(s)->j_1st_reserved_block) -#define SB_JOURNAL_LEN_FREE(s) (SB_JOURNAL(s)->j_journal_len_free) +#define SB_JOURNAL_LEN_FREE(s) (SB_JOURNAL(s)->j_journal_len_free) #define SB_AP_BITMAP(s) (REISERFS_SB(s)->s_ap_bitmap) #define SB_DISK_JOURNAL_HEAD(s) (SB_JOURNAL(s)->j_header_bh->) @@ -523,13 +520,14 @@ int reiserfs_resize(struct super_block *, unsigned long) ; */ static inline char *reiserfs_bdevname(struct super_block *s) { - return (s == NULL) ? "Null superblock" : s -> s_id; + return (s == NULL) ? "Null superblock" : s->s_id; } #define reiserfs_is_journal_aborted(journal) (unlikely (__reiserfs_is_journal_aborted (journal))) -static inline int __reiserfs_is_journal_aborted (struct reiserfs_journal *journal) +static inline int __reiserfs_is_journal_aborted(struct reiserfs_journal + *journal) { - return test_bit (J_ABORTED, &journal->j_state); + return test_bit(J_ABORTED, &journal->j_state); } -#endif /* _LINUX_REISER_FS_SB */ +#endif /* _LINUX_REISER_FS_SB */ diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h index 9244c574882..c84354e8374 100644 --- a/include/linux/reiserfs_xattr.h +++ b/include/linux/reiserfs_xattr.h @@ -7,48 +7,48 @@ #include <linux/xattr.h> /* Magic value in header */ -#define REISERFS_XATTR_MAGIC 0x52465841 /* "RFXA" */ +#define REISERFS_XATTR_MAGIC 0x52465841 /* "RFXA" */ struct reiserfs_xattr_header { - __le32 h_magic; /* magic number for identification */ - __le32 h_hash; /* hash of the value */ + __le32 h_magic; /* magic number for identification */ + __le32 h_hash; /* hash of the value */ }; #ifdef __KERNEL__ struct reiserfs_xattr_handler { char *prefix; - int (*init)(void); - void (*exit)(void); - int (*get)(struct inode *inode, const char *name, void *buffer, - size_t size); - int (*set)(struct inode *inode, const char *name, const void *buffer, - size_t size, int flags); - int (*del)(struct inode *inode, const char *name); - int (*list)(struct inode *inode, const char *name, int namelen, char *out); - struct list_head handlers; + int (*init) (void); + void (*exit) (void); + int (*get) (struct inode * inode, const char *name, void *buffer, + size_t size); + int (*set) (struct inode * inode, const char *name, const void *buffer, + size_t size, int flags); + int (*del) (struct inode * inode, const char *name); + int (*list) (struct inode * inode, const char *name, int namelen, + char *out); + struct list_head handlers; }; - #ifdef CONFIG_REISERFS_FS_XATTR #define is_reiserfs_priv_object(inode) IS_PRIVATE(inode) #define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir) -ssize_t reiserfs_getxattr (struct dentry *dentry, const char *name, - void *buffer, size_t size); -int reiserfs_setxattr (struct dentry *dentry, const char *name, - const void *value, size_t size, int flags); -ssize_t reiserfs_listxattr (struct dentry *dentry, char *buffer, size_t size); -int reiserfs_removexattr (struct dentry *dentry, const char *name); -int reiserfs_delete_xattrs (struct inode *inode); -int reiserfs_chown_xattrs (struct inode *inode, struct iattr *attrs); -int reiserfs_xattr_init (struct super_block *sb, int mount_flags); -int reiserfs_permission (struct inode *inode, int mask, struct nameidata *nd); -int reiserfs_permission_locked (struct inode *inode, int mask, struct nameidata *nd); - -int reiserfs_xattr_del (struct inode *, const char *); -int reiserfs_xattr_get (const struct inode *, const char *, void *, size_t); -int reiserfs_xattr_set (struct inode *, const char *, const void *, - size_t, int); +ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name, + void *buffer, size_t size); +int reiserfs_setxattr(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags); +ssize_t reiserfs_listxattr(struct dentry *dentry, char *buffer, size_t size); +int reiserfs_removexattr(struct dentry *dentry, const char *name); +int reiserfs_delete_xattrs(struct inode *inode); +int reiserfs_chown_xattrs(struct inode *inode, struct iattr *attrs); +int reiserfs_xattr_init(struct super_block *sb, int mount_flags); +int reiserfs_permission(struct inode *inode, int mask, struct nameidata *nd); +int reiserfs_permission_locked(struct inode *inode, int mask, + struct nameidata *nd); + +int reiserfs_xattr_del(struct inode *, const char *); +int reiserfs_xattr_get(const struct inode *, const char *, void *, size_t); +int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int); extern struct reiserfs_xattr_handler user_handler; extern struct reiserfs_xattr_handler trusted_handler; @@ -56,57 +56,48 @@ extern struct reiserfs_xattr_handler trusted_handler; extern struct reiserfs_xattr_handler security_handler; #endif -int reiserfs_xattr_register_handlers (void) __init; -void reiserfs_xattr_unregister_handlers (void); +int reiserfs_xattr_register_handlers(void) __init; +void reiserfs_xattr_unregister_handlers(void); -static inline void -reiserfs_write_lock_xattrs(struct super_block *sb) +static inline void reiserfs_write_lock_xattrs(struct super_block *sb) { - down_write (&REISERFS_XATTR_DIR_SEM(sb)); + down_write(&REISERFS_XATTR_DIR_SEM(sb)); } -static inline void -reiserfs_write_unlock_xattrs(struct super_block *sb) +static inline void reiserfs_write_unlock_xattrs(struct super_block *sb) { - up_write (&REISERFS_XATTR_DIR_SEM(sb)); + up_write(&REISERFS_XATTR_DIR_SEM(sb)); } -static inline void -reiserfs_read_lock_xattrs(struct super_block *sb) +static inline void reiserfs_read_lock_xattrs(struct super_block *sb) { - down_read (&REISERFS_XATTR_DIR_SEM(sb)); + down_read(&REISERFS_XATTR_DIR_SEM(sb)); } -static inline void -reiserfs_read_unlock_xattrs(struct super_block *sb) +static inline void reiserfs_read_unlock_xattrs(struct super_block *sb) { - up_read (&REISERFS_XATTR_DIR_SEM(sb)); + up_read(&REISERFS_XATTR_DIR_SEM(sb)); } -static inline void -reiserfs_write_lock_xattr_i(struct inode *inode) +static inline void reiserfs_write_lock_xattr_i(struct inode *inode) { - down_write (&REISERFS_I(inode)->xattr_sem); + down_write(&REISERFS_I(inode)->xattr_sem); } -static inline void -reiserfs_write_unlock_xattr_i(struct inode *inode) +static inline void reiserfs_write_unlock_xattr_i(struct inode *inode) { - up_write (&REISERFS_I(inode)->xattr_sem); + up_write(&REISERFS_I(inode)->xattr_sem); } -static inline void -reiserfs_read_lock_xattr_i(struct inode *inode) +static inline void reiserfs_read_lock_xattr_i(struct inode *inode) { - down_read (&REISERFS_I(inode)->xattr_sem); + down_read(&REISERFS_I(inode)->xattr_sem); } -static inline void -reiserfs_read_unlock_xattr_i(struct inode *inode) +static inline void reiserfs_read_unlock_xattr_i(struct inode *inode) { - up_read (&REISERFS_I(inode)->xattr_sem); + up_read(&REISERFS_I(inode)->xattr_sem); } -static inline void -reiserfs_mark_inode_private(struct inode *inode) +static inline void reiserfs_mark_inode_private(struct inode *inode) { - inode->i_flags |= S_PRIVATE; + inode->i_flags |= S_PRIVATE; } #else @@ -127,13 +118,20 @@ reiserfs_mark_inode_private(struct inode *inode) #define reiserfs_xattr_register_handlers() 0 #define reiserfs_xattr_unregister_handlers() -static inline int reiserfs_delete_xattrs (struct inode *inode) { return 0; }; -static inline int reiserfs_chown_xattrs (struct inode *inode, struct iattr *attrs) { return 0; }; -static inline int reiserfs_xattr_init (struct super_block *sb, int mount_flags) +static inline int reiserfs_delete_xattrs(struct inode *inode) +{ + return 0; +}; +static inline int reiserfs_chown_xattrs(struct inode *inode, + struct iattr *attrs) +{ + return 0; +}; +static inline int reiserfs_xattr_init(struct super_block *sb, int mount_flags) { - sb->s_flags = (sb->s_flags & ~MS_POSIXACL); /* to be sure */ - return 0; + sb->s_flags = (sb->s_flags & ~MS_POSIXACL); /* to be sure */ + return 0; }; #endif -#endif /* __KERNEL__ */ +#endif /* __KERNEL__ */ diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 11b484e37ac..e80fb7ee6ef 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -93,6 +93,12 @@ int page_referenced(struct page *, int is_locked, int ignore_token); int try_to_unmap(struct page *); /* + * Called from mm/filemap_xip.c to unmap empty zero page + */ +pte_t *page_check_address(struct page *, struct mm_struct *, unsigned long); + + +/* * Used by swapoff to help locate where page is expected in vma. */ unsigned long page_address_in_vma(struct page *, struct vm_area_struct *); diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 91ac97c2077..657c05ab8f9 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -89,6 +89,13 @@ enum { RTM_GETANYCAST = 62, #define RTM_GETANYCAST RTM_GETANYCAST + RTM_NEWNEIGHTBL = 64, +#define RTM_NEWNEIGHTBL RTM_NEWNEIGHTBL + RTM_GETNEIGHTBL = 66, +#define RTM_GETNEIGHTBL RTM_GETNEIGHTBL + RTM_SETNEIGHTBL, +#define RTM_SETNEIGHTBL RTM_SETNEIGHTBL + __RTM_MAX, #define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) }; @@ -356,6 +363,8 @@ enum struct rta_session { __u8 proto; + __u8 pad1; + __u16 pad2; union { struct { @@ -493,6 +502,106 @@ struct nda_cacheinfo __u32 ndm_refcnt; }; + +/***************************************************************** + * Neighbour tables specific messages. + * + * To retrieve the neighbour tables send RTM_GETNEIGHTBL with the + * NLM_F_DUMP flag set. Every neighbour table configuration is + * spread over multiple messages to avoid running into message + * size limits on systems with many interfaces. The first message + * in the sequence transports all not device specific data such as + * statistics, configuration, and the default parameter set. + * This message is followed by 0..n messages carrying device + * specific parameter sets. + * Although the ordering should be sufficient, NDTA_NAME can be + * used to identify sequences. The initial message can be identified + * by checking for NDTA_CONFIG. The device specific messages do + * not contain this TLV but have NDTPA_IFINDEX set to the + * corresponding interface index. + * + * To change neighbour table attributes, send RTM_SETNEIGHTBL + * with NDTA_NAME set. Changeable attribute include NDTA_THRESH[1-3], + * NDTA_GC_INTERVAL, and all TLVs in NDTA_PARMS unless marked + * otherwise. Device specific parameter sets can be changed by + * setting NDTPA_IFINDEX to the interface index of the corresponding + * device. + ****/ + +struct ndt_stats +{ + __u64 ndts_allocs; + __u64 ndts_destroys; + __u64 ndts_hash_grows; + __u64 ndts_res_failed; + __u64 ndts_lookups; + __u64 ndts_hits; + __u64 ndts_rcv_probes_mcast; + __u64 ndts_rcv_probes_ucast; + __u64 ndts_periodic_gc_runs; + __u64 ndts_forced_gc_runs; +}; + +enum { + NDTPA_UNSPEC, + NDTPA_IFINDEX, /* u32, unchangeable */ + NDTPA_REFCNT, /* u32, read-only */ + NDTPA_REACHABLE_TIME, /* u64, read-only, msecs */ + NDTPA_BASE_REACHABLE_TIME, /* u64, msecs */ + NDTPA_RETRANS_TIME, /* u64, msecs */ + NDTPA_GC_STALETIME, /* u64, msecs */ + NDTPA_DELAY_PROBE_TIME, /* u64, msecs */ + NDTPA_QUEUE_LEN, /* u32 */ + NDTPA_APP_PROBES, /* u32 */ + NDTPA_UCAST_PROBES, /* u32 */ + NDTPA_MCAST_PROBES, /* u32 */ + NDTPA_ANYCAST_DELAY, /* u64, msecs */ + NDTPA_PROXY_DELAY, /* u64, msecs */ + NDTPA_PROXY_QLEN, /* u32 */ + NDTPA_LOCKTIME, /* u64, msecs */ + __NDTPA_MAX +}; +#define NDTPA_MAX (__NDTPA_MAX - 1) + +struct ndtmsg +{ + __u8 ndtm_family; + __u8 ndtm_pad1; + __u16 ndtm_pad2; +}; + +struct ndt_config +{ + __u16 ndtc_key_len; + __u16 ndtc_entry_size; + __u32 ndtc_entries; + __u32 ndtc_last_flush; /* delta to now in msecs */ + __u32 ndtc_last_rand; /* delta to now in msecs */ + __u32 ndtc_hash_rnd; + __u32 ndtc_hash_mask; + __u32 ndtc_hash_chain_gc; + __u32 ndtc_proxy_qlen; +}; + +enum { + NDTA_UNSPEC, + NDTA_NAME, /* char *, unchangeable */ + NDTA_THRESH1, /* u32 */ + NDTA_THRESH2, /* u32 */ + NDTA_THRESH3, /* u32 */ + NDTA_CONFIG, /* struct ndt_config, read-only */ + NDTA_PARMS, /* nested TLV NDTPA_* */ + NDTA_STATS, /* struct ndt_stats, read-only */ + NDTA_GC_INTERVAL, /* u64, msecs */ + __NDTA_MAX +}; +#define NDTA_MAX (__NDTA_MAX - 1) + +#define NDTA_RTA(r) ((struct rtattr*)(((char*)(r)) + \ + NLMSG_ALIGN(sizeof(struct ndtmsg)))) +#define NDTA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndtmsg)) + + /**** * General form of address family dependent message. ****/ @@ -528,10 +637,13 @@ struct ifinfomsg struct prefixmsg { unsigned char prefix_family; + unsigned char prefix_pad1; + unsigned short prefix_pad2; int prefix_ifindex; unsigned char prefix_type; unsigned char prefix_len; unsigned char prefix_flags; + unsigned char prefix_pad3; }; enum @@ -785,10 +897,84 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi goto rtattr_failure; \ __rta_fill(skb, attrtype, attrlen, data); }) -#define RTA_PUT_NOHDR(skb, attrlen, data) \ +#define RTA_APPEND(skb, attrlen, data) \ ({ if (unlikely(skb_tailroom(skb) < (int)(attrlen))) \ goto rtattr_failure; \ - memcpy(skb_put(skb, RTA_ALIGN(attrlen)), data, attrlen); }) + memcpy(skb_put(skb, attrlen), data, attrlen); }) + +#define RTA_PUT_NOHDR(skb, attrlen, data) \ +({ RTA_APPEND(skb, RTA_ALIGN(attrlen), data); \ + memset(skb->tail - (RTA_ALIGN(attrlen) - attrlen), 0, \ + RTA_ALIGN(attrlen) - attrlen); }) + +#define RTA_PUT_U8(skb, attrtype, value) \ +({ u8 _tmp = (value); \ + RTA_PUT(skb, attrtype, sizeof(u8), &_tmp); }) + +#define RTA_PUT_U16(skb, attrtype, value) \ +({ u16 _tmp = (value); \ + RTA_PUT(skb, attrtype, sizeof(u16), &_tmp); }) + +#define RTA_PUT_U32(skb, attrtype, value) \ +({ u32 _tmp = (value); \ + RTA_PUT(skb, attrtype, sizeof(u32), &_tmp); }) + +#define RTA_PUT_U64(skb, attrtype, value) \ +({ u64 _tmp = (value); \ + RTA_PUT(skb, attrtype, sizeof(u64), &_tmp); }) + +#define RTA_PUT_SECS(skb, attrtype, value) \ + RTA_PUT_U64(skb, attrtype, (value) / HZ) + +#define RTA_PUT_MSECS(skb, attrtype, value) \ + RTA_PUT_U64(skb, attrtype, jiffies_to_msecs(value)) + +#define RTA_PUT_STRING(skb, attrtype, value) \ + RTA_PUT(skb, attrtype, strlen(value) + 1, value) + +#define RTA_PUT_FLAG(skb, attrtype) \ + RTA_PUT(skb, attrtype, 0, NULL); + +#define RTA_NEST(skb, type) \ +({ struct rtattr *__start = (struct rtattr *) (skb)->tail; \ + RTA_PUT(skb, type, 0, NULL); \ + __start; }) + +#define RTA_NEST_END(skb, start) \ +({ (start)->rta_len = ((skb)->tail - (unsigned char *) (start)); \ + (skb)->len; }) + +#define RTA_NEST_CANCEL(skb, start) \ +({ if (start) \ + skb_trim(skb, (unsigned char *) (start) - (skb)->data); \ + -1; }) + +#define RTA_GET_U8(rta) \ +({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u8)) \ + goto rtattr_failure; \ + *(u8 *) RTA_DATA(rta); }) + +#define RTA_GET_U16(rta) \ +({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u16)) \ + goto rtattr_failure; \ + *(u16 *) RTA_DATA(rta); }) + +#define RTA_GET_U32(rta) \ +({ if (!rta || RTA_PAYLOAD(rta) < sizeof(u32)) \ + goto rtattr_failure; \ + *(u32 *) RTA_DATA(rta); }) + +#define RTA_GET_U64(rta) \ +({ u64 _tmp; \ + if (!rta || RTA_PAYLOAD(rta) < sizeof(u64)) \ + goto rtattr_failure; \ + memcpy(&_tmp, RTA_DATA(rta), sizeof(_tmp)); \ + _tmp; }) + +#define RTA_GET_FLAG(rta) (!!(rta)) + +#define RTA_GET_SECS(rta) ((unsigned long) RTA_GET_U64(rta) * HZ) +#define RTA_GET_MSECS(rta) (msecs_to_jiffies((unsigned long) RTA_GET_U64(rta))) static inline struct rtattr * __rta_reserve(struct sk_buff *skb, int attrtype, int attrlen) @@ -799,6 +985,7 @@ __rta_reserve(struct sk_buff *skb, int attrtype, int attrlen) rta = (struct rtattr*)skb_put(skb, RTA_ALIGN(size)); rta->rta_type = attrtype; rta->rta_len = size; + memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size); return rta; } diff --git a/include/linux/sched.h b/include/linux/sched.h index 4dbb109022f..dec5827c774 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -201,8 +201,8 @@ extern unsigned long arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); -extern void arch_unmap_area(struct vm_area_struct *area); -extern void arch_unmap_area_topdown(struct vm_area_struct *area); +extern void arch_unmap_area(struct mm_struct *, unsigned long); +extern void arch_unmap_area_topdown(struct mm_struct *, unsigned long); #define set_mm_counter(mm, member, value) (mm)->_##member = (value) #define get_mm_counter(mm, member) ((mm)->_##member) @@ -218,9 +218,10 @@ struct mm_struct { unsigned long (*get_unmapped_area) (struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); - void (*unmap_area) (struct vm_area_struct *area); - unsigned long mmap_base; /* base of mmap area */ - unsigned long free_area_cache; /* first hole */ + void (*unmap_area) (struct mm_struct *mm, unsigned long addr); + unsigned long mmap_base; /* base of mmap area */ + unsigned long cached_hole_size; /* if non-zero, the largest hole below free_area_cache */ + unsigned long free_area_cache; /* first hole of size cached_hole_size or larger */ pgd_t * pgd; atomic_t mm_users; /* How many users with user space? */ atomic_t mm_count; /* How many references to "struct mm_struct" (users count as 1) */ @@ -245,7 +246,7 @@ struct mm_struct { unsigned long saved_auxv[42]; /* for /proc/PID/auxv */ - unsigned dumpable:1; + unsigned dumpable:2; cpumask_t cpu_vm_mask; /* Architecture-specific MM context */ @@ -367,6 +368,11 @@ struct signal_struct { #endif }; +/* Context switch must be unlocked if interrupts are to be enabled */ +#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW +# define __ARCH_WANT_UNLOCKED_CTXSW +#endif + /* * Bits in flags field of signal_struct. */ @@ -404,6 +410,10 @@ struct user_struct { atomic_t processes; /* How many processes does this user have? */ atomic_t files; /* How many open files does this user have? */ atomic_t sigpending; /* How many pending signals does this user have? */ +#ifdef CONFIG_INOTIFY + atomic_t inotify_watches; /* How many inotify watches does this user have? */ + atomic_t inotify_devs; /* How many inotify devs does this user have opened? */ +#endif /* protected by mq_lock */ unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */ unsigned long locked_shm; /* How many pages of mlocked shm ? */ @@ -459,10 +469,11 @@ enum idle_type #define SD_LOAD_BALANCE 1 /* Do load balancing on this domain. */ #define SD_BALANCE_NEWIDLE 2 /* Balance when about to become idle */ #define SD_BALANCE_EXEC 4 /* Balance on exec */ -#define SD_WAKE_IDLE 8 /* Wake to idle CPU on task wakeup */ -#define SD_WAKE_AFFINE 16 /* Wake task to waking CPU */ -#define SD_WAKE_BALANCE 32 /* Perform balancing at task wakeup */ -#define SD_SHARE_CPUPOWER 64 /* Domain members share cpu power */ +#define SD_BALANCE_FORK 8 /* Balance on fork, clone */ +#define SD_WAKE_IDLE 16 /* Wake to idle CPU on task wakeup */ +#define SD_WAKE_AFFINE 32 /* Wake task to waking CPU */ +#define SD_WAKE_BALANCE 64 /* Perform balancing at task wakeup */ +#define SD_SHARE_CPUPOWER 128 /* Domain members share cpu power */ struct sched_group { struct sched_group *next; /* Must be a circular list */ @@ -487,6 +498,11 @@ struct sched_domain { unsigned long long cache_hot_time; /* Task considered cache hot (ns) */ unsigned int cache_nice_tries; /* Leave cache hot tasks for # tries */ unsigned int per_cpu_gain; /* CPU % gained by adding domain cpus */ + unsigned int busy_idx; + unsigned int idle_idx; + unsigned int newidle_idx; + unsigned int wake_idx; + unsigned int forkexec_idx; int flags; /* See SD_* */ /* Runtime fields. */ @@ -510,10 +526,16 @@ struct sched_domain { unsigned long alb_failed; unsigned long alb_pushed; - /* sched_balance_exec() stats */ - unsigned long sbe_attempts; + /* SD_BALANCE_EXEC stats */ + unsigned long sbe_cnt; + unsigned long sbe_balanced; unsigned long sbe_pushed; + /* SD_BALANCE_FORK stats */ + unsigned long sbf_cnt; + unsigned long sbf_balanced; + unsigned long sbf_pushed; + /* try_to_wake_up() stats */ unsigned long ttwu_wake_remote; unsigned long ttwu_move_affine; @@ -521,6 +543,8 @@ struct sched_domain { #endif }; +extern void partition_sched_domains(cpumask_t *partition1, + cpumask_t *partition2); #ifdef ARCH_HAS_SCHED_DOMAIN /* Useful helpers that arch setup code may use. Defined in kernel/sched.c */ extern cpumask_t cpu_isolated_map; @@ -560,9 +584,10 @@ struct group_info { groups_free(group_info); \ } while (0) -struct group_info *groups_alloc(int gidsetsize); -void groups_free(struct group_info *group_info); -int set_current_groups(struct group_info *group_info); +extern struct group_info *groups_alloc(int gidsetsize); +extern void groups_free(struct group_info *group_info); +extern int set_current_groups(struct group_info *group_info); +extern int groups_search(struct group_info *group_info, gid_t grp); /* access the groups "array" with this macro */ #define GROUP_AT(gi, i) \ ((gi)->blocks[(i)/NGROUPS_PER_BLOCK][(i)%NGROUPS_PER_BLOCK]) @@ -580,10 +605,15 @@ struct task_struct { int lock_depth; /* BKL lock depth */ +#if defined(CONFIG_SMP) && defined(__ARCH_WANT_UNLOCKED_CTXSW) + int oncpu; +#endif int prio, static_prio; struct list_head run_list; prio_array_t *array; + unsigned short ioprio; + unsigned long sleep_avg; unsigned long long timestamp, last_ran; unsigned long long sched_time; /* sched_clock time spent running */ @@ -659,6 +689,7 @@ struct task_struct { struct user_struct *user; #ifdef CONFIG_KEYS struct key *thread_keyring; /* keyring private to this thread */ + unsigned char jit_keyring; /* default keyring to attach requested keys to */ #endif int oomkilladj; /* OOM kill score adjustment (bit shift). */ char comm[TASK_COMM_LEN]; /* executable name excluding path @@ -701,8 +732,6 @@ struct task_struct { spinlock_t alloc_lock; /* Protection of proc_dentry: nesting proc_lock, dcache_lock, write_lock_irq(&tasklist_lock); */ spinlock_t proc_lock; -/* context-switch lock */ - spinlock_t switch_lock; /* journalling filesystem info */ void *journal_info; @@ -740,6 +769,7 @@ struct task_struct { nodemask_t mems_allowed; int cpuset_mems_generation; #endif + atomic_t fs_excl; /* holding fs exclusive resources */ }; static inline pid_t process_group(struct task_struct *tsk) @@ -909,7 +939,7 @@ extern void FASTCALL(wake_up_new_task(struct task_struct * tsk, #else static inline void kick_process(struct task_struct *tsk) { } #endif -extern void FASTCALL(sched_fork(task_t * p)); +extern void FASTCALL(sched_fork(task_t * p, int clone_flags)); extern void FASTCALL(sched_exit(task_t * p)); extern int in_group_p(gid_t); @@ -1089,7 +1119,8 @@ extern void unhash_process(struct task_struct *p); /* * Protects ->fs, ->files, ->mm, ->ptrace, ->group_info, ->comm, keyring - * subscriptions and synchronises with wait4(). Also used in procfs. + * subscriptions and synchronises with wait4(). Also used in procfs. Also + * pins the final release of task.io_context. * * Nests both inside and outside of read_lock(&tasklist_lock). * It must not be nested with write_lock_irq(&tasklist_lock), @@ -1242,33 +1273,78 @@ extern void normalize_rt_tasks(void); #endif -/* try_to_freeze - * - * Checks whether we need to enter the refrigerator - * and returns 1 if we did so. - */ #ifdef CONFIG_PM -extern void refrigerator(unsigned long); +/* + * Check if a process has been frozen + */ +static inline int frozen(struct task_struct *p) +{ + return p->flags & PF_FROZEN; +} + +/* + * Check if there is a request to freeze a process + */ +static inline int freezing(struct task_struct *p) +{ + return p->flags & PF_FREEZE; +} + +/* + * Request that a process be frozen + * FIXME: SMP problem. We may not modify other process' flags! + */ +static inline void freeze(struct task_struct *p) +{ + p->flags |= PF_FREEZE; +} + +/* + * Wake up a frozen process + */ +static inline int thaw_process(struct task_struct *p) +{ + if (frozen(p)) { + p->flags &= ~PF_FROZEN; + wake_up_process(p); + return 1; + } + return 0; +} + +/* + * freezing is complete, mark process as frozen + */ +static inline void frozen_process(struct task_struct *p) +{ + p->flags = (p->flags & ~PF_FREEZE) | PF_FROZEN; +} + +extern void refrigerator(void); extern int freeze_processes(void); extern void thaw_processes(void); -static inline int try_to_freeze(unsigned long refrigerator_flags) +static inline int try_to_freeze(void) { - if (unlikely(current->flags & PF_FREEZE)) { - refrigerator(refrigerator_flags); + if (freezing(current)) { + refrigerator(); return 1; } else return 0; } #else -static inline void refrigerator(unsigned long flag) {} +static inline int frozen(struct task_struct *p) { return 0; } +static inline int freezing(struct task_struct *p) { return 0; } +static inline void freeze(struct task_struct *p) { BUG(); } +static inline int thaw_process(struct task_struct *p) { return 1; } +static inline void frozen_process(struct task_struct *p) { BUG(); } + +static inline void refrigerator(void) {} static inline int freeze_processes(void) { BUG(); return 0; } static inline void thaw_processes(void) {} -static inline int try_to_freeze(unsigned long refrigerator_flags) -{ - return 0; -} +static inline int try_to_freeze(void) { return 0; } + #endif /* CONFIG_PM */ #endif /* __KERNEL__ */ diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h index 3a2702bbb1d..dc89116bb1c 100644 --- a/include/linux/seccomp.h +++ b/include/linux/seccomp.h @@ -19,6 +19,11 @@ static inline void secure_computing(int this_syscall) __secure_computing(this_syscall); } +static inline int has_secure_computing(struct thread_info *ti) +{ + return unlikely(test_ti_thread_flag(ti, TIF_SECCOMP)); +} + #else /* CONFIG_SECCOMP */ #if (__GNUC__ > 2) @@ -28,6 +33,11 @@ static inline void secure_computing(int this_syscall) #endif #define secure_computing(x) do { } while (0) +/* static inline to preserve typechecking */ +static inline int has_secure_computing(struct thread_info *ti) +{ + return 0; +} #endif /* CONFIG_SECCOMP */ diff --git a/include/linux/serial.h b/include/linux/serial.h index 00145822fb7..9f2d85284d0 100644 --- a/include/linux/serial.h +++ b/include/linux/serial.h @@ -174,9 +174,11 @@ struct serial_icounter_struct { #ifdef __KERNEL__ +#include <linux/compiler.h> + /* Export to allow PCMCIA to use this - Dave Hinds */ -extern int register_serial(struct serial_struct *req); -extern void unregister_serial(int line); +extern int __deprecated register_serial(struct serial_struct *req); +extern void __deprecated unregister_serial(int line); /* Allow architectures to override entries in serial8250_ports[] at run time: */ struct uart_port; /* forward declaration */ diff --git a/include/linux/serialP.h b/include/linux/serialP.h index 2307f11d8a6..2b2f35a64d7 100644 --- a/include/linux/serialP.h +++ b/include/linux/serialP.h @@ -19,7 +19,6 @@ * For definitions of the flags field, see tty.h */ -#include <linux/version.h> #include <linux/config.h> #include <linux/termios.h> #include <linux/workqueue.h> diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 823181af6dd..3e3c1fa35b0 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -22,6 +22,7 @@ struct plat_serial8250_port { unsigned int uartclk; /* UART clock rate */ unsigned char regshift; /* register shift */ unsigned char iotype; /* UPIO_* */ + unsigned char hub6; unsigned int flags; /* UPF_* flags */ }; diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index d6025af7efa..f6fca8f2f3c 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -104,7 +104,7 @@ #define PORT_MPSC 63 /* TXX9 type number */ -#define PORT_TXX9 64 +#define PORT_TXX9 64 /* NEC VR4100 series SIU/DSIU */ #define PORT_VR41XX_SIU 65 @@ -122,6 +122,7 @@ #ifdef __KERNEL__ #include <linux/config.h> +#include <linux/compiler.h> #include <linux/interrupt.h> #include <linux/circ_buf.h> #include <linux/spinlock.h> @@ -359,8 +360,8 @@ struct tty_driver *uart_console_device(struct console *co, int *index); */ int uart_register_driver(struct uart_driver *uart); void uart_unregister_driver(struct uart_driver *uart); -void uart_unregister_port(struct uart_driver *reg, int line); -int uart_register_port(struct uart_driver *reg, struct uart_port *port); +void __deprecated uart_unregister_port(struct uart_driver *reg, int line); +int __deprecated uart_register_port(struct uart_driver *reg, struct uart_port *port); int uart_add_one_port(struct uart_driver *reg, struct uart_port *port); int uart_remove_one_port(struct uart_driver *reg, struct uart_port *port); int uart_match_port(struct uart_port *port1, struct uart_port *port2); diff --git a/include/linux/serio.h b/include/linux/serio.h index a2d3b9ae06f..aa4d6493a03 100644 --- a/include/linux/serio.h +++ b/include/linux/serio.h @@ -83,6 +83,7 @@ static inline void serio_register_port(struct serio *serio) } void serio_unregister_port(struct serio *serio); +void serio_unregister_child_port(struct serio *serio); void __serio_unregister_port_delayed(struct serio *serio, struct module *owner); static inline void serio_unregister_port_delayed(struct serio *serio) { @@ -153,6 +154,11 @@ static inline int serio_pin_driver(struct serio *serio) return down_interruptible(&serio->drv_sem); } +static inline void serio_pin_driver_uninterruptible(struct serio *serio) +{ + down(&serio->drv_sem); +} + static inline void serio_unpin_driver(struct serio *serio) { up(&serio->drv_sem); diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index cc04f5cd228..0061c947048 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -27,6 +27,7 @@ #include <linux/highmem.h> #include <linux/poll.h> #include <linux/net.h> +#include <linux/textsearch.h> #include <net/checksum.h> #define HAVE_ALLOC_SKB /* For the drivers to know */ @@ -182,7 +183,6 @@ struct skb_shared_info { * @priority: Packet queueing priority * @users: User count - see {datagram,tcp}.c * @protocol: Packet protocol from driver - * @security: Security level of packet * @truesize: Buffer size * @head: Head of buffer * @data: Data head pointer @@ -193,7 +193,6 @@ struct skb_shared_info { * @nfcache: Cache info * @nfct: Associated connection, if any * @nfctinfo: Relationship of this skb to the connection - * @nf_debug: Netfilter debugging * @nf_bridge: Saved data about a bridged frame - see br_netfilter.c * @private: Data which is private to the HIPPI implementation * @tc_index: Traffic control index @@ -249,24 +248,21 @@ struct sk_buff { data_len, mac_len, csum; - unsigned char local_df, - cloned:1, - nohdr:1, - pkt_type, - ip_summed; __u32 priority; - unsigned short protocol, - security; + __u8 local_df:1, + cloned:1, + ip_summed:2, + nohdr:1; + /* 3 bits spare */ + __u8 pkt_type; + __u16 protocol; void (*destructor)(struct sk_buff *skb); #ifdef CONFIG_NETFILTER - unsigned long nfmark; + unsigned long nfmark; __u32 nfcache; __u32 nfctinfo; struct nf_conntrack *nfct; -#ifdef CONFIG_NETFILTER_DEBUG - unsigned int nf_debug; -#endif #ifdef CONFIG_BRIDGE_NETFILTER struct nf_bridge_info *nf_bridge; #endif @@ -304,20 +300,26 @@ struct sk_buff { #include <asm/system.h> extern void __kfree_skb(struct sk_buff *skb); -extern struct sk_buff *alloc_skb(unsigned int size, int priority); +extern struct sk_buff *alloc_skb(unsigned int size, + unsigned int __nocast priority); extern struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp, - unsigned int size, int priority); + unsigned int size, + unsigned int __nocast priority); extern void kfree_skbmem(struct sk_buff *skb); -extern struct sk_buff *skb_clone(struct sk_buff *skb, int priority); -extern struct sk_buff *skb_copy(const struct sk_buff *skb, int priority); -extern struct sk_buff *pskb_copy(struct sk_buff *skb, int gfp_mask); +extern struct sk_buff *skb_clone(struct sk_buff *skb, + unsigned int __nocast priority); +extern struct sk_buff *skb_copy(const struct sk_buff *skb, + unsigned int __nocast priority); +extern struct sk_buff *pskb_copy(struct sk_buff *skb, + unsigned int __nocast gfp_mask); extern int pskb_expand_head(struct sk_buff *skb, - int nhead, int ntail, int gfp_mask); + int nhead, int ntail, + unsigned int __nocast gfp_mask); extern struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, unsigned int headroom); extern struct sk_buff *skb_copy_expand(const struct sk_buff *skb, int newheadroom, int newtailroom, - int priority); + unsigned int __nocast priority); extern struct sk_buff * skb_pad(struct sk_buff *skb, int pad); #define dev_kfree_skb(a) kfree_skb(a) extern void skb_over_panic(struct sk_buff *skb, int len, @@ -325,6 +327,28 @@ extern void skb_over_panic(struct sk_buff *skb, int len, extern void skb_under_panic(struct sk_buff *skb, int len, void *here); +struct skb_seq_state +{ + __u32 lower_offset; + __u32 upper_offset; + __u32 frag_idx; + __u32 stepped_offset; + struct sk_buff *root_skb; + struct sk_buff *cur_skb; + __u8 *frag_data; +}; + +extern void skb_prepare_seq_read(struct sk_buff *skb, + unsigned int from, unsigned int to, + struct skb_seq_state *st); +extern unsigned int skb_seq_read(unsigned int consumed, const u8 **data, + struct skb_seq_state *st); +extern void skb_abort_seq_read(struct skb_seq_state *st); + +extern unsigned int skb_find_text(struct sk_buff *skb, unsigned int from, + unsigned int to, struct ts_config *config, + struct ts_state *state); + /* Internal */ #define skb_shinfo(SKB) ((struct skb_shared_info *)((SKB)->end)) @@ -446,7 +470,8 @@ static inline int skb_shared(const struct sk_buff *skb) * * NULL is returned on a memory allocation failure. */ -static inline struct sk_buff *skb_share_check(struct sk_buff *skb, int pri) +static inline struct sk_buff *skb_share_check(struct sk_buff *skb, + unsigned int __nocast pri) { might_sleep_if(pri & __GFP_WAIT); if (skb_shared(skb)) { @@ -477,7 +502,8 @@ static inline struct sk_buff *skb_share_check(struct sk_buff *skb, int pri) * * %NULL is returned on a memory allocation failure. */ -static inline struct sk_buff *skb_unshare(struct sk_buff *skb, int pri) +static inline struct sk_buff *skb_unshare(struct sk_buff *skb, + unsigned int __nocast pri) { might_sleep_if(pri & __GFP_WAIT); if (skb_cloned(skb)) { @@ -983,7 +1009,7 @@ static inline void __skb_queue_purge(struct sk_buff_head *list) * %NULL is returned in there is no free memory. */ static inline struct sk_buff *__dev_alloc_skb(unsigned int length, - int gfp_mask) + unsigned int __nocast gfp_mask) { struct sk_buff *skb = alloc_skb(length + 16, gfp_mask); if (likely(skb)) @@ -1096,8 +1122,8 @@ static inline int skb_can_coalesce(struct sk_buff *skb, int i, * If there is no free memory -ENOMEM is returned, otherwise zero * is returned and the old skb data released. */ -extern int __skb_linearize(struct sk_buff *skb, int gfp); -static inline int skb_linearize(struct sk_buff *skb, int gfp) +extern int __skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp); +static inline int skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp) { return __skb_linearize(skb, gfp); } @@ -1192,7 +1218,7 @@ static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, { int hlen = skb_headlen(skb); - if (offset + len <= hlen) + if (hlen - offset >= len) return skb->data + offset; if (skb_copy_bits(skb, offset, buffer, len) < 0) @@ -1219,15 +1245,6 @@ static inline void nf_reset(struct sk_buff *skb) { nf_conntrack_put(skb->nfct); skb->nfct = NULL; -#ifdef CONFIG_NETFILTER_DEBUG - skb->nf_debug = 0; -#endif -} -static inline void nf_reset_debug(struct sk_buff *skb) -{ -#ifdef CONFIG_NETFILTER_DEBUG - skb->nf_debug = 0; -#endif } #ifdef CONFIG_BRIDGE_NETFILTER diff --git a/include/linux/slab.h b/include/linux/slab.h index 7d66385ae75..80b2dfde2e8 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -64,7 +64,8 @@ extern int kmem_cache_shrink(kmem_cache_t *); extern void *kmem_cache_alloc(kmem_cache_t *, unsigned int __nocast); extern void kmem_cache_free(kmem_cache_t *, void *); extern unsigned int kmem_cache_size(kmem_cache_t *); -extern kmem_cache_t *kmem_find_general_cachep(size_t size, int gfpflags); +extern const char *kmem_cache_name(kmem_cache_t *); +extern kmem_cache_t *kmem_find_general_cachep(size_t size, unsigned int __nocast gfpflags); /* Size description struct for general caches. */ struct cache_sizes { @@ -104,13 +105,13 @@ extern unsigned int ksize(const void *); #ifdef CONFIG_NUMA extern void *kmem_cache_alloc_node(kmem_cache_t *, int flags, int node); -extern void *kmalloc_node(size_t size, int flags, int node); +extern void *kmalloc_node(size_t size, unsigned int __nocast flags, int node); #else static inline void *kmem_cache_alloc_node(kmem_cache_t *cachep, int flags, int node) { return kmem_cache_alloc(cachep, flags); } -static inline void *kmalloc_node(size_t size, int flags, int node) +static inline void *kmalloc_node(size_t size, unsigned int __nocast flags, int node) { return kmalloc(size, flags); } diff --git a/include/linux/smp.h b/include/linux/smp.h index dcf1db3b35d..9dfa3ee769a 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -92,10 +92,7 @@ void smp_prepare_boot_cpu(void); /* * These macros fold the SMP functionality into a single CPU system */ - -#if !defined(__smp_processor_id) || !defined(CONFIG_PREEMPT) -# define smp_processor_id() 0 -#endif +#define raw_smp_processor_id() 0 #define hard_smp_processor_id() 0 #define smp_call_function(func,info,retry,wait) ({ 0; }) #define on_each_cpu(func,info,retry,wait) ({ func(info); 0; }) @@ -106,30 +103,25 @@ static inline void smp_send_reschedule(int cpu) { } #endif /* !SMP */ /* - * DEBUG_PREEMPT support: check whether smp_processor_id() is being - * used in a preemption-safe way. + * smp_processor_id(): get the current CPU ID. * - * An architecture has to enable this debugging code explicitly. - * It can do so by renaming the smp_processor_id() macro to - * __smp_processor_id(). This should only be done after some minimal - * testing, because usually there are a number of false positives - * that an architecture will trigger. + * if DEBUG_PREEMPT is enabled the we check whether it is + * used in a preemption-safe way. (smp_processor_id() is safe + * if it's used in a preemption-off critical section, or in + * a thread that is bound to the current CPU.) * - * To fix a false positive (i.e. smp_processor_id() use that the - * debugging code reports but which use for some reason is legal), - * change the smp_processor_id() reference to _smp_processor_id(), - * which is the nondebug variant. NOTE: don't use this to hack around - * real bugs. + * NOTE: raw_smp_processor_id() is for internal use only + * (smp_processor_id() is the preferred variant), but in rare + * instances it might also be used to turn off false positives + * (i.e. smp_processor_id() use that the debugging code reports but + * which use for some reason is legal). Don't use this to hack around + * the warning message, as your code might not work under PREEMPT. */ -#ifdef __smp_processor_id -# if defined(CONFIG_PREEMPT) && defined(CONFIG_DEBUG_PREEMPT) - extern unsigned int smp_processor_id(void); -# else -# define smp_processor_id() __smp_processor_id() -# endif -# define _smp_processor_id() __smp_processor_id() +#ifdef CONFIG_DEBUG_PREEMPT + extern unsigned int debug_smp_processor_id(void); +# define smp_processor_id() debug_smp_processor_id() #else -# define _smp_processor_id() smp_processor_id() +# define smp_processor_id() raw_smp_processor_id() #endif #define get_cpu() ({ preempt_disable(); smp_processor_id(); }) diff --git a/include/linux/string.h b/include/linux/string.h index b9fc5946995..dab2652acbd 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -88,6 +88,8 @@ extern int memcmp(const void *,const void *,__kernel_size_t); extern void * memchr(const void *,int,__kernel_size_t); #endif +extern char *kstrdup(const char *s, unsigned int __nocast gfp); + #ifdef __cplusplus } #endif diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index 2709caf4d12..ab151bbb66d 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -111,6 +111,11 @@ struct rpc_procinfo { struct rpc_clnt *rpc_create_client(struct rpc_xprt *xprt, char *servname, struct rpc_program *info, u32 version, rpc_authflavor_t authflavor); +struct rpc_clnt *rpc_new_client(struct rpc_xprt *xprt, char *servname, + struct rpc_program *info, + u32 version, rpc_authflavor_t authflavor); +struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *, + struct rpc_program *, int); struct rpc_clnt *rpc_clone_client(struct rpc_clnt *); int rpc_shutdown_client(struct rpc_clnt *); int rpc_destroy_client(struct rpc_clnt *); @@ -129,6 +134,7 @@ void rpc_clnt_sigmask(struct rpc_clnt *clnt, sigset_t *oldset); void rpc_clnt_sigunmask(struct rpc_clnt *clnt, sigset_t *oldset); void rpc_setbufsize(struct rpc_clnt *, unsigned int, unsigned int); size_t rpc_max_payload(struct rpc_clnt *); +int rpc_ping(struct rpc_clnt *clnt, int flags); static __inline__ int rpc_call(struct rpc_clnt *clnt, u32 proc, void *argp, void *resp, int flags) diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 99d17ed7ceb..4d77e90d0b3 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -31,7 +31,6 @@ struct rpc_wait_queue; struct rpc_wait { struct list_head list; /* wait queue links */ struct list_head links; /* Links to related tasks */ - wait_queue_head_t waitq; /* sync: sleep on this q */ struct rpc_wait_queue * rpc_waitq; /* RPC wait queue we're on */ }; diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 37003970cf2..5af8800e0ce 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -185,6 +185,17 @@ xdr_ressize_check(struct svc_rqst *rqstp, u32 *p) return vec->iov_len <= PAGE_SIZE; } +static inline struct page * +svc_take_res_page(struct svc_rqst *rqstp) +{ + if (rqstp->rq_arghi <= rqstp->rq_argused) + return NULL; + rqstp->rq_arghi--; + rqstp->rq_respages[rqstp->rq_resused] = + rqstp->rq_argpages[rqstp->rq_arghi]; + return rqstp->rq_respages[rqstp->rq_resused++]; +} + static inline int svc_take_page(struct svc_rqst *rqstp) { if (rqstp->rq_arghi <= rqstp->rq_argused) @@ -240,9 +251,10 @@ struct svc_deferred_req { }; /* - * RPC program + * List of RPC programs on the same transport endpoint */ struct svc_program { + struct svc_program * pg_next; /* other programs (same xprt) */ u32 pg_prog; /* program number */ unsigned int pg_lovers; /* lowest version */ unsigned int pg_hivers; /* lowest version */ diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index 541dcf838ab..34ec3e8d99b 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -146,7 +146,8 @@ extern void xdr_shift_buf(struct xdr_buf *, size_t); extern void xdr_buf_from_iov(struct kvec *, struct xdr_buf *); extern int xdr_buf_subsegment(struct xdr_buf *, struct xdr_buf *, int, int); extern int xdr_buf_read_netobj(struct xdr_buf *, struct xdr_netobj *, int); -extern int read_bytes_from_xdr_buf(struct xdr_buf *buf, int base, void *obj, int len); +extern int read_bytes_from_xdr_buf(struct xdr_buf *, int, void *, int); +extern int write_bytes_to_xdr_buf(struct xdr_buf *, int, void *, int); /* * Helper structure for copying from an sk_buff. @@ -160,7 +161,7 @@ typedef struct { typedef size_t (*skb_read_actor_t)(skb_reader_t *desc, void *to, size_t len); -extern void xdr_partial_copy_from_skb(struct xdr_buf *, unsigned int, +extern ssize_t xdr_partial_copy_from_skb(struct xdr_buf *, unsigned int, skb_reader_t *, skb_read_actor_t); struct socket; @@ -168,6 +169,22 @@ struct sockaddr; extern int xdr_sendpages(struct socket *, struct sockaddr *, int, struct xdr_buf *, unsigned int, int); +extern int xdr_encode_word(struct xdr_buf *, int, u32); +extern int xdr_decode_word(struct xdr_buf *, int, u32 *); + +struct xdr_array2_desc; +typedef int (*xdr_xcode_elem_t)(struct xdr_array2_desc *desc, void *elem); +struct xdr_array2_desc { + unsigned int elem_size; + unsigned int array_len; + xdr_xcode_elem_t xcode; +}; + +extern int xdr_decode_array2(struct xdr_buf *buf, unsigned int base, + struct xdr_array2_desc *desc); +extern int xdr_encode_array2(struct xdr_buf *buf, unsigned int base, + struct xdr_array2_desc *desc); + /* * Provide some simple tools for XDR buffer overflow-checking etc. */ diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 2bf0d5fabcd..f2e96fdfaae 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -58,7 +58,7 @@ static inline int software_suspend(void) } #endif -#ifdef CONFIG_SMP +#ifdef CONFIG_SUSPEND_SMP extern void disable_nonboot_cpus(void); extern void enable_nonboot_cpus(void); #else diff --git a/include/linux/swap.h b/include/linux/swap.h index 3bbc41be9bd..239f520cc49 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -7,6 +7,8 @@ #include <linux/mmzone.h> #include <linux/list.h> #include <linux/sched.h> +#include <linux/pagemap.h> + #include <asm/atomic.h> #include <asm/page.h> @@ -148,7 +150,7 @@ struct swap_list_t { #define vm_swap_full() (nr_swap_pages*2 < total_swap_pages) /* linux/mm/oom_kill.c */ -extern void out_of_memory(unsigned int __nocast gfp_mask); +extern void out_of_memory(unsigned int __nocast gfp_mask, int order); /* linux/mm/memory.c */ extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *); @@ -172,7 +174,8 @@ extern int rotate_reclaimable_page(struct page *page); extern void swap_setup(void); /* linux/mm/vmscan.c */ -extern int try_to_free_pages(struct zone **, unsigned int, unsigned int); +extern int try_to_free_pages(struct zone **, unsigned int); +extern int zone_reclaim(struct zone *, unsigned int, unsigned int); extern int shrink_all_memory(int); extern int vm_swappiness; diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index c39f6f72cbb..425f58c8ea4 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -159,8 +159,9 @@ asmlinkage long sys_shutdown(int, int); asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, void __user *arg); asmlinkage long sys_restart_syscall(void); -asmlinkage long sys_kexec_load(void *entry, unsigned long nr_segments, - struct kexec_segment *segments, unsigned long flags); +asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments, + struct kexec_segment __user *segments, + unsigned long flags); asmlinkage long sys_exit(int error_code); asmlinkage void sys_exit_group(int error_code); @@ -505,4 +506,7 @@ asmlinkage long sys_request_key(const char __user *_type, asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5); +asmlinkage long sys_ioprio_set(int which, int who, int ioprio); +asmlinkage long sys_ioprio_get(int which, int who); + #endif diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index a17745c80a9..e82be96d490 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -70,6 +70,14 @@ enum CTL_BUS_ISA=1 /* ISA */ }; +/* /proc/sys/fs/inotify/ */ +enum +{ + INOTIFY_MAX_USER_INSTANCES=1, /* max instances per user */ + INOTIFY_MAX_USER_WATCHES=2, /* max watches per user */ + INOTIFY_MAX_QUEUED_EVENTS=3 /* max queued events per instance */ +}; + /* CTL_KERN names: */ enum { @@ -136,6 +144,8 @@ enum KERN_UNKNOWN_NMI_PANIC=66, /* int: unknown nmi panic flag */ KERN_BOOTLOADER_TYPE=67, /* int: boot loader type */ KERN_RANDOMIZE=68, /* int: randomize virtual address space */ + KERN_SETUID_DUMPABLE=69, /* int: behaviour of dumps for setuid core */ + KERN_SPIN_RETRY=70, /* int: number of spinlock retries */ }; @@ -242,6 +252,7 @@ enum NET_CORE_MOD_CONG=16, NET_CORE_DEV_WEIGHT=17, NET_CORE_SOMAXCONN=18, + NET_CORE_BUDGET=19, }; /* /proc/sys/net/ethernet */ @@ -332,21 +343,14 @@ enum NET_TCP_FRTO=92, NET_TCP_LOW_LATENCY=93, NET_IPV4_IPFRAG_SECRET_INTERVAL=94, - NET_TCP_WESTWOOD=95, NET_IPV4_IGMP_MAX_MSF=96, NET_TCP_NO_METRICS_SAVE=97, - NET_TCP_VEGAS=98, - NET_TCP_VEGAS_ALPHA=99, - NET_TCP_VEGAS_BETA=100, - NET_TCP_VEGAS_GAMMA=101, - NET_TCP_BIC=102, - NET_TCP_BIC_FAST_CONVERGENCE=103, - NET_TCP_BIC_LOW_WINDOW=104, NET_TCP_DEFAULT_WIN_SCALE=105, NET_TCP_MODERATE_RCVBUF=106, NET_TCP_TSO_WIN_DIVISOR=107, NET_TCP_BIC_BETA=108, NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR=109, + NET_TCP_CONG_CONTROL=110, }; enum { @@ -646,6 +650,7 @@ enum { NET_SCTP_ADDIP_ENABLE = 13, NET_SCTP_PRSCTP_ENABLE = 14, NET_SCTP_SNDBUF_POLICY = 15, + NET_SCTP_SACK_TIMEOUT = 16, }; /* /proc/sys/net/bridge */ @@ -680,6 +685,7 @@ enum FS_XFS=17, /* struct: control xfs parameters */ FS_AIO_NR=18, /* current system-wide number of aio requests */ FS_AIO_MAX_NR=19, /* system-wide maximum number of aio requests */ + FS_INOTIFY=20, /* inotify submenu */ }; /* /proc/sys/fs/quota/ */ diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 38b58b30814..392da5a6dac 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -16,13 +16,13 @@ struct kobject; struct module; struct attribute { - char * name; + const char * name; struct module * owner; mode_t mode; }; struct attribute_group { - char * name; + const char * name; struct attribute ** attrs; }; @@ -73,6 +73,7 @@ struct sysfs_dirent { int s_type; umode_t s_mode; struct dentry * s_dentry; + struct iattr * s_iattr; }; #define SYSFS_ROOT 0x0001 @@ -105,11 +106,11 @@ sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode); extern void sysfs_remove_file(struct kobject *, const struct attribute *); -extern int -sysfs_create_link(struct kobject * kobj, struct kobject * target, char * name); +extern int +sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name); extern void -sysfs_remove_link(struct kobject *, char * name); +sysfs_remove_link(struct kobject *, const char * name); int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr); int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr); @@ -153,12 +154,12 @@ static inline void sysfs_remove_file(struct kobject * k, const struct attribute ; } -static inline int sysfs_create_link(struct kobject * k, struct kobject * t, char * n) +static inline int sysfs_create_link(struct kobject * k, struct kobject * t, const char * n) { return 0; } -static inline void sysfs_remove_link(struct kobject * k, char * name) +static inline void sysfs_remove_link(struct kobject * k, const char * name) { ; } diff --git a/include/linux/tc_ematch/tc_em_meta.h b/include/linux/tc_ematch/tc_em_meta.h index a6b2cc530af..081b1ee8516 100644 --- a/include/linux/tc_ematch/tc_em_meta.h +++ b/include/linux/tc_ematch/tc_em_meta.h @@ -41,19 +41,14 @@ enum TCF_META_ID_LOADAVG_1, TCF_META_ID_LOADAVG_2, TCF_META_ID_DEV, - TCF_META_ID_INDEV, - TCF_META_ID_REALDEV, TCF_META_ID_PRIORITY, TCF_META_ID_PROTOCOL, - TCF_META_ID_SECURITY, TCF_META_ID_PKTTYPE, TCF_META_ID_PKTLEN, TCF_META_ID_DATALEN, TCF_META_ID_MACLEN, TCF_META_ID_NFMARK, TCF_META_ID_TCINDEX, - TCF_META_ID_TCVERDICT, - TCF_META_ID_TCCLASSID, TCF_META_ID_RTCLASSID, TCF_META_ID_RTIIF, TCF_META_ID_SK_FAMILY, diff --git a/include/linux/tc_ematch/tc_em_text.h b/include/linux/tc_ematch/tc_em_text.h new file mode 100644 index 00000000000..7cd43e99c7f --- /dev/null +++ b/include/linux/tc_ematch/tc_em_text.h @@ -0,0 +1,19 @@ +#ifndef __LINUX_TC_EM_TEXT_H +#define __LINUX_TC_EM_TEXT_H + +#include <linux/pkt_cls.h> + +#define TC_EM_TEXT_ALGOSIZ 16 + +struct tcf_em_text +{ + char algo[TC_EM_TEXT_ALGOSIZ]; + __u16 from_offset; + __u16 to_offset; + __u16 pattern_len; + __u8 from_layer:4; + __u8 to_layer:4; + __u8 pad; +}; + +#endif diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 14a55e3e3a5..e4fd82e4210 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -127,6 +127,7 @@ enum { #define TCP_WINDOW_CLAMP 10 /* Bound advertised window */ #define TCP_INFO 11 /* Information about this connection. */ #define TCP_QUICKACK 12 /* Block/reenable quick acks */ +#define TCP_CONGESTION 13 /* Congestion control algorithm */ #define TCPI_OPT_TIMESTAMPS 1 #define TCPI_OPT_SACK 2 @@ -203,13 +204,6 @@ struct tcp_sack_block { __u32 end_seq; }; -enum tcp_congestion_algo { - TCP_RENO=0, - TCP_VEGAS, - TCP_WESTWOOD, - TCP_BIC, -}; - struct tcp_options_received { /* PAWS/RTTM data */ long ts_recent_stamp;/* Time we stored ts_recent (for aging) */ @@ -230,6 +224,17 @@ struct tcp_options_received { __u16 mss_clamp; /* Maximal mss, negotiated at connection setup */ }; +struct tcp_request_sock { + struct inet_request_sock req; + __u32 rcv_isn; + __u32 snt_isn; +}; + +static inline struct tcp_request_sock *tcp_rsk(const struct request_sock *req) +{ + return (struct tcp_request_sock *)req; +} + struct tcp_sock { /* inet_sock has to be the first member of tcp_sock */ struct inet_sock inet; @@ -281,7 +286,7 @@ struct tcp_sock { __u32 max_window; /* Maximal window ever seen from peer */ __u32 pmtu_cookie; /* Last pmtu seen by socket */ __u32 mss_cache; /* Cached effective mss, not including SACKS */ - __u16 mss_cache_std; /* Like mss_cache, but without TSO */ + __u16 xmit_size_goal; /* Goal for segmenting output packets */ __u16 ext_header_len; /* Network protocol overhead (IP/IPv6 options) */ __u8 ca_state; /* State of fast-retransmit machine */ __u8 retransmits; /* Number of unrecovered RTO timeouts. */ @@ -294,7 +299,7 @@ struct tcp_sock { __u8 reordering; /* Packet reordering metric. */ __u8 frto_counter; /* Number of new acks after RTO */ - __u8 adv_cong; /* Using Vegas, Westwood, or BIC */ + __u8 unused; __u8 defer_accept; /* User waits for some data after accept() */ /* RTT measurement */ @@ -368,22 +373,7 @@ struct tcp_sock { __u32 total_retrans; /* Total retransmits for entire connection */ - /* The syn_wait_lock is necessary only to avoid proc interface having - * to grab the main lock sock while browsing the listening hash - * (otherwise it's deadlock prone). - * This lock is acquired in read mode only from listening_get_next() - * and it's acquired in write mode _only_ from code that is actively - * changing the syn_wait_queue. All readers that are holding - * the master sock lock don't need to grab this lock in read mode - * too as the syn_wait_queue writes are always protected from - * the main sock lock. - */ - rwlock_t syn_wait_lock; - struct tcp_listen_opt *listen_opt; - - /* FIFO of established children */ - struct open_request *accept_queue; - struct open_request *accept_queue_tail; + struct request_sock_queue accept_queue; /* FIFO of established children */ unsigned int keepalive_time; /* time before keep alive takes place */ unsigned int keepalive_intvl; /* time interval between keep alive probes */ @@ -405,37 +395,10 @@ struct tcp_sock { __u32 time; } rcvq_space; -/* TCP Westwood structure */ - struct { - __u32 bw_ns_est; /* first bandwidth estimation..not too smoothed 8) */ - __u32 bw_est; /* bandwidth estimate */ - __u32 rtt_win_sx; /* here starts a new evaluation... */ - __u32 bk; - __u32 snd_una; /* used for evaluating the number of acked bytes */ - __u32 cumul_ack; - __u32 accounted; - __u32 rtt; - __u32 rtt_min; /* minimum observed RTT */ - } westwood; - -/* Vegas variables */ - struct { - __u32 beg_snd_nxt; /* right edge during last RTT */ - __u32 beg_snd_una; /* left edge during last RTT */ - __u32 beg_snd_cwnd; /* saves the size of the cwnd */ - __u8 doing_vegas_now;/* if true, do vegas for this RTT */ - __u16 cntRTT; /* # of RTTs measured within last RTT */ - __u32 minRTT; /* min of RTTs measured within last RTT (in usec) */ - __u32 baseRTT; /* the min of all Vegas RTT measurements seen (in usec) */ - } vegas; - - /* BI TCP Parameters */ - struct { - __u32 cnt; /* increase cwnd by 1 after this number of ACKs */ - __u32 last_max_cwnd; /* last maximium snd_cwnd */ - __u32 last_cwnd; /* the last snd_cwnd */ - __u32 last_stamp; /* time when updated last_cwnd */ - } bictcp; + /* Pluggable TCP congestion control hook */ + struct tcp_congestion_ops *ca_ops; + u32 ca_priv[16]; +#define TCP_CA_PRIV_SIZE (16*sizeof(u32)) }; static inline struct tcp_sock *tcp_sk(const struct sock *sk) @@ -443,6 +406,11 @@ static inline struct tcp_sock *tcp_sk(const struct sock *sk) return (struct tcp_sock *)sk; } +static inline void *tcp_ca(const struct tcp_sock *tp) +{ + return (void *) tp->ca_priv; +} + #endif #endif /* _LINUX_TCP_H */ diff --git a/include/linux/tcp_diag.h b/include/linux/tcp_diag.h index ceee962e1d1..7a599674394 100644 --- a/include/linux/tcp_diag.h +++ b/include/linux/tcp_diag.h @@ -99,9 +99,10 @@ enum TCPDIAG_MEMINFO, TCPDIAG_INFO, TCPDIAG_VEGASINFO, + TCPDIAG_CONG, }; -#define TCPDIAG_MAX TCPDIAG_VEGASINFO +#define TCPDIAG_MAX TCPDIAG_CONG /* TCPDIAG_MEM */ @@ -123,5 +124,4 @@ struct tcpvegas_info { __u32 tcpv_minrtt; }; - #endif /* _TCP_DIAG_H_ */ diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h new file mode 100644 index 00000000000..941f45ac117 --- /dev/null +++ b/include/linux/textsearch.h @@ -0,0 +1,180 @@ +#ifndef __LINUX_TEXTSEARCH_H +#define __LINUX_TEXTSEARCH_H + +#ifdef __KERNEL__ + +#include <linux/types.h> +#include <linux/list.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/err.h> + +struct ts_config; + +/** + * TS_AUTOLOAD - Automatically load textsearch modules when needed + */ +#define TS_AUTOLOAD 1 + +/** + * struct ts_state - search state + * @offset: offset for next match + * @cb: control buffer, for persistant variables of get_next_block() + */ +struct ts_state +{ + unsigned int offset; + char cb[40]; +}; + +/** + * struct ts_ops - search module operations + * @name: name of search algorithm + * @init: initialization function to prepare a search + * @find: find the next occurrence of the pattern + * @destroy: destroy algorithm specific parts of a search configuration + * @get_pattern: return head of pattern + * @get_pattern_len: return length of pattern + * @owner: module reference to algorithm + */ +struct ts_ops +{ + const char *name; + struct ts_config * (*init)(const void *, unsigned int, int); + unsigned int (*find)(struct ts_config *, + struct ts_state *); + void (*destroy)(struct ts_config *); + void * (*get_pattern)(struct ts_config *); + unsigned int (*get_pattern_len)(struct ts_config *); + struct module *owner; + struct list_head list; +}; + +/** + * struct ts_config - search configuration + * @ops: operations of chosen algorithm + * @get_next_block: callback to fetch the next block to search in + * @finish: callback to finalize a search + */ +struct ts_config +{ + struct ts_ops *ops; + + /** + * get_next_block - fetch next block of data + * @consumed: number of bytes consumed by the caller + * @dst: destination buffer + * @conf: search configuration + * @state: search state + * + * Called repeatedly until 0 is returned. Must assign the + * head of the next block of data to &*dst and return the length + * of the block or 0 if at the end. consumed == 0 indicates + * a new search. May store/read persistant values in state->cb. + */ + unsigned int (*get_next_block)(unsigned int consumed, + const u8 **dst, + struct ts_config *conf, + struct ts_state *state); + + /** + * finish - finalize/clean a series of get_next_block() calls + * @conf: search configuration + * @state: search state + * + * Called after the last use of get_next_block(), may be used + * to cleanup any leftovers. + */ + void (*finish)(struct ts_config *conf, + struct ts_state *state); +}; + +/** + * textsearch_next - continue searching for a pattern + * @conf: search configuration + * @state: search state + * + * Continues a search looking for more occurrences of the pattern. + * textsearch_find() must be called to find the first occurrence + * in order to reset the state. + * + * Returns the position of the next occurrence of the pattern or + * UINT_MAX if not match was found. + */ +static inline unsigned int textsearch_next(struct ts_config *conf, + struct ts_state *state) +{ + unsigned int ret = conf->ops->find(conf, state); + + if (conf->finish) + conf->finish(conf, state); + + return ret; +} + +/** + * textsearch_find - start searching for a pattern + * @conf: search configuration + * @state: search state + * + * Returns the position of first occurrence of the pattern or + * UINT_MAX if no match was found. + */ +static inline unsigned int textsearch_find(struct ts_config *conf, + struct ts_state *state) +{ + state->offset = 0; + return textsearch_next(conf, state); +} + +/** + * textsearch_get_pattern - return head of the pattern + * @conf: search configuration + */ +static inline void *textsearch_get_pattern(struct ts_config *conf) +{ + return conf->ops->get_pattern(conf); +} + +/** + * textsearch_get_pattern_len - return length of the pattern + * @conf: search configuration + */ +static inline unsigned int textsearch_get_pattern_len(struct ts_config *conf) +{ + return conf->ops->get_pattern_len(conf); +} + +extern int textsearch_register(struct ts_ops *); +extern int textsearch_unregister(struct ts_ops *); +extern struct ts_config *textsearch_prepare(const char *, const void *, + unsigned int, int, int); +extern void textsearch_destroy(struct ts_config *conf); +extern unsigned int textsearch_find_continuous(struct ts_config *, + struct ts_state *, + const void *, unsigned int); + + +#define TS_PRIV_ALIGNTO 8 +#define TS_PRIV_ALIGN(len) (((len) + TS_PRIV_ALIGNTO-1) & ~(TS_PRIV_ALIGNTO-1)) + +static inline struct ts_config *alloc_ts_config(size_t payload, int gfp_mask) +{ + struct ts_config *conf; + + conf = kmalloc(TS_PRIV_ALIGN(sizeof(*conf)) + payload, gfp_mask); + if (conf == NULL) + return ERR_PTR(-ENOMEM); + + memset(conf, 0, TS_PRIV_ALIGN(sizeof(*conf)) + payload); + return conf; +} + +static inline void *ts_config_priv(struct ts_config *conf) +{ + return ((u8 *) conf + TS_PRIV_ALIGN(sizeof(struct ts_config))); +} + +#endif /* __KERNEL__ */ + +#endif diff --git a/include/linux/textsearch_fsm.h b/include/linux/textsearch_fsm.h new file mode 100644 index 00000000000..fdfa078c66e --- /dev/null +++ b/include/linux/textsearch_fsm.h @@ -0,0 +1,48 @@ +#ifndef __LINUX_TEXTSEARCH_FSM_H +#define __LINUX_TEXTSEARCH_FSM_H + +#include <linux/types.h> + +enum { + TS_FSM_SPECIFIC, /* specific character */ + TS_FSM_WILDCARD, /* any character */ + TS_FSM_DIGIT, /* isdigit() */ + TS_FSM_XDIGIT, /* isxdigit() */ + TS_FSM_PRINT, /* isprint() */ + TS_FSM_ALPHA, /* isalpha() */ + TS_FSM_ALNUM, /* isalnum() */ + TS_FSM_ASCII, /* isascii() */ + TS_FSM_CNTRL, /* iscntrl() */ + TS_FSM_GRAPH, /* isgraph() */ + TS_FSM_LOWER, /* islower() */ + TS_FSM_UPPER, /* isupper() */ + TS_FSM_PUNCT, /* ispunct() */ + TS_FSM_SPACE, /* isspace() */ + __TS_FSM_TYPE_MAX, +}; +#define TS_FSM_TYPE_MAX (__TS_FSM_TYPE_MAX - 1) + +enum { + TS_FSM_SINGLE, /* 1 occurrence */ + TS_FSM_PERHAPS, /* 1 or 0 occurrence */ + TS_FSM_ANY, /* 0..n occurrences */ + TS_FSM_MULTI, /* 1..n occurrences */ + TS_FSM_HEAD_IGNORE, /* 0..n ignored occurrences at head */ + __TS_FSM_RECUR_MAX, +}; +#define TS_FSM_RECUR_MAX (__TS_FSM_RECUR_MAX - 1) + +/** + * struct ts_fsm_token - state machine token (state) + * @type: type of token + * @recur: number of recurrences + * @value: character value for TS_FSM_SPECIFIC + */ +struct ts_fsm_token +{ + __u16 type; + __u8 recur; + __u8 value; +}; + +#endif diff --git a/include/linux/timer.h b/include/linux/timer.h index 90db1cc62dd..221f81ac200 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -6,45 +6,33 @@ #include <linux/spinlock.h> #include <linux/stddef.h> -struct tvec_t_base_s; +struct timer_base_s; struct timer_list { struct list_head entry; unsigned long expires; - spinlock_t lock; unsigned long magic; void (*function)(unsigned long); unsigned long data; - struct tvec_t_base_s *base; + struct timer_base_s *base; }; #define TIMER_MAGIC 0x4b87ad6e +extern struct timer_base_s __init_timer_base; + #define TIMER_INITIALIZER(_function, _expires, _data) { \ .function = (_function), \ .expires = (_expires), \ .data = (_data), \ - .base = NULL, \ + .base = &__init_timer_base, \ .magic = TIMER_MAGIC, \ - .lock = SPIN_LOCK_UNLOCKED, \ } -/*** - * init_timer - initialize a timer. - * @timer: the timer to be initialized - * - * init_timer() must be done to a timer prior calling *any* of the - * other timer functions. - */ -static inline void init_timer(struct timer_list * timer) -{ - timer->base = NULL; - timer->magic = TIMER_MAGIC; - spin_lock_init(&timer->lock); -} +void fastcall init_timer(struct timer_list * timer); /*** * timer_pending - is a timer pending? @@ -58,7 +46,7 @@ static inline void init_timer(struct timer_list * timer) */ static inline int timer_pending(const struct timer_list * timer) { - return timer->base != NULL; + return timer->entry.next != NULL; } extern void add_timer_on(struct timer_list *timer, int cpu); @@ -88,13 +76,15 @@ static inline void add_timer(struct timer_list * timer) } #ifdef CONFIG_SMP + extern int try_to_del_timer_sync(struct timer_list *timer); extern int del_timer_sync(struct timer_list *timer); - extern int del_singleshot_timer_sync(struct timer_list *timer); #else -# define del_timer_sync(t) del_timer(t) -# define del_singleshot_timer_sync(t) del_timer(t) +# define try_to_del_timer_sync(t) del_timer(t) +# define del_timer_sync(t) del_timer(t) #endif +#define del_singleshot_timer_sync(t) del_timer_sync(t) + extern void init_timers(void); extern void run_local_timers(void); extern void it_real_fn(unsigned long); diff --git a/include/linux/topology.h b/include/linux/topology.h index d70e8972c67..0320225e96d 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -89,6 +89,11 @@ .cache_hot_time = 0, \ .cache_nice_tries = 0, \ .per_cpu_gain = 25, \ + .busy_idx = 0, \ + .idle_idx = 0, \ + .newidle_idx = 1, \ + .wake_idx = 0, \ + .forkexec_idx = 0, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ | SD_BALANCE_EXEC \ @@ -115,12 +120,15 @@ .cache_hot_time = (5*1000000/2), \ .cache_nice_tries = 1, \ .per_cpu_gain = 100, \ + .busy_idx = 2, \ + .idle_idx = 1, \ + .newidle_idx = 2, \ + .wake_idx = 1, \ + .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ | SD_BALANCE_EXEC \ - | SD_WAKE_AFFINE \ - | SD_WAKE_IDLE \ - | SD_WAKE_BALANCE, \ + | SD_WAKE_AFFINE, \ .last_balance = jiffies, \ .balance_interval = 1, \ .nr_balance_failed = 0, \ diff --git a/include/linux/tty.h b/include/linux/tty.h index 1b76106272d..59ff42c629e 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -345,6 +345,7 @@ extern int tty_check_change(struct tty_struct * tty); extern void stop_tty(struct tty_struct * tty); extern void start_tty(struct tty_struct * tty); extern int tty_register_ldisc(int disc, struct tty_ldisc *new_ldisc); +extern int tty_unregister_ldisc(int disc); extern int tty_register_driver(struct tty_driver *driver); extern int tty_unregister_driver(struct tty_driver *driver); extern void tty_register_device(struct tty_driver *driver, unsigned index, struct device *dev); diff --git a/include/linux/uinput.h b/include/linux/uinput.h index 4c2c82336d1..84876077027 100644 --- a/include/linux/uinput.h +++ b/include/linux/uinput.h @@ -42,8 +42,7 @@ struct uinput_request { int code; /* UI_FF_UPLOAD, UI_FF_ERASE */ int retval; - wait_queue_head_t waitq; - int completed; + struct completion done; union { int effect_id; @@ -62,7 +61,7 @@ struct uinput_device { struct uinput_request *requests[UINPUT_NUM_REQUESTS]; wait_queue_head_t requests_waitq; - struct semaphore requests_sem; + spinlock_t requests_lock; }; #endif /* __KERNEL__ */ diff --git a/include/linux/usb.h b/include/linux/usb.h index 2d1ac505853..72463779299 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -287,15 +287,14 @@ struct usb_bus { struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */ - struct class_device class_dev; /* class device for this bus */ + struct class_device *class_dev; /* class device for this bus */ + struct kref kref; /* handles reference counting this bus */ void (*release)(struct usb_bus *bus); /* function to destroy this bus's memory */ -#if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE) +#if defined(CONFIG_USB_MON) struct mon_bus *mon_bus; /* non-null when associated */ int monitored; /* non-zero when monitored */ #endif }; -#define to_usb_bus(d) container_of(d, struct usb_bus, class_dev) - /* -------------------------------------------------------------------------- */ @@ -939,17 +938,17 @@ static inline void usb_fill_int_urb (struct urb *urb, } extern void usb_init_urb(struct urb *urb); -extern struct urb *usb_alloc_urb(int iso_packets, int mem_flags); +extern struct urb *usb_alloc_urb(int iso_packets, unsigned mem_flags); extern void usb_free_urb(struct urb *urb); #define usb_put_urb usb_free_urb extern struct urb *usb_get_urb(struct urb *urb); -extern int usb_submit_urb(struct urb *urb, int mem_flags); +extern int usb_submit_urb(struct urb *urb, unsigned mem_flags); extern int usb_unlink_urb(struct urb *urb); extern void usb_kill_urb(struct urb *urb); #define HAVE_USB_BUFFERS void *usb_buffer_alloc (struct usb_device *dev, size_t size, - int mem_flags, dma_addr_t *dma); + unsigned mem_flags, dma_addr_t *dma); void usb_buffer_free (struct usb_device *dev, size_t size, void *addr, dma_addr_t dma); @@ -1056,7 +1055,7 @@ int usb_sg_init ( struct scatterlist *sg, int nents, size_t length, - int mem_flags + unsigned mem_flags ); void usb_sg_cancel (struct usb_sg_request *io); void usb_sg_wait (struct usb_sg_request *io); diff --git a/include/linux/usb_cdc.h b/include/linux/usb_cdc.h index f22d6beecc7..ba617c37245 100644 --- a/include/linux/usb_cdc.h +++ b/include/linux/usb_cdc.h @@ -34,6 +34,7 @@ #define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */ #define USB_CDC_UNION_TYPE 0x06 /* union_desc */ #define USB_CDC_COUNTRY_TYPE 0x07 +#define USB_CDC_NETWORK_TERMINAL_TYPE 0x0a /* network_terminal_desc */ #define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */ #define USB_CDC_WHCM_TYPE 0x11 #define USB_CDC_MDLM_TYPE 0x12 /* mdlm_desc */ @@ -83,6 +84,18 @@ struct usb_cdc_union_desc { /* ... and there could be other slave interfaces */ } __attribute__ ((packed)); +/* "Network Channel Terminal Functional Descriptor" from CDC spec 5.2.3.11 */ +struct usb_cdc_network_terminal_desc { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubType; + + __u8 bEntityId; + __u8 iName; + __u8 bChannelIndex; + __u8 bPhysicalInterface; +} __attribute__ ((packed)); + /* "Ethernet Networking Functional Descriptor" from CDC spec 5.2.3.16 */ struct usb_cdc_ether_desc { __u8 bLength; diff --git a/include/linux/usb_ch9.h b/include/linux/usb_ch9.h index f5fe94e09a0..ee21e6bf386 100644 --- a/include/linux/usb_ch9.h +++ b/include/linux/usb_ch9.h @@ -6,17 +6,20 @@ * * - the master/host side Linux-USB kernel driver API; * - the "usbfs" user space API; and - * - (eventually) a Linux "gadget" slave/device side driver API. + * - the Linux "gadget" slave/device/peripheral side driver API. * * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems * act either as a USB master/host or as a USB slave/device. That means - * the master and slave side APIs will benefit from working well together. + * the master and slave side APIs benefit from working well together. + * + * There's also "Wireless USB", using low power short range radios for + * peripheral interconnection but otherwise building on the USB framework. */ #ifndef __LINUX_USB_CH9_H #define __LINUX_USB_CH9_H -#include <asm/types.h> /* __u8 etc */ +#include <linux/types.h> /* __u8 etc */ /*-------------------------------------------------------------------------*/ @@ -68,6 +71,18 @@ #define USB_REQ_SET_INTERFACE 0x0B #define USB_REQ_SYNCH_FRAME 0x0C +#define USB_REQ_SET_ENCRYPTION 0x0D /* Wireless USB */ +#define USB_REQ_GET_ENCRYPTION 0x0E +#define USB_REQ_SET_HANDSHAKE 0x0F +#define USB_REQ_GET_HANDSHAKE 0x10 +#define USB_REQ_SET_CONNECTION 0x11 +#define USB_REQ_SET_SECURITY_DATA 0x12 +#define USB_REQ_GET_SECURITY_DATA 0x13 +#define USB_REQ_SET_WUSB_DATA 0x14 +#define USB_REQ_LOOPBACK_DATA_WRITE 0x15 +#define USB_REQ_LOOPBACK_DATA_READ 0x16 +#define USB_REQ_SET_INTERFACE_DS 0x17 + /* * USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and * are read as a bit array returned by USB_REQ_GET_STATUS. (So there @@ -75,10 +90,12 @@ */ #define USB_DEVICE_SELF_POWERED 0 /* (read only) */ #define USB_DEVICE_REMOTE_WAKEUP 1 /* dev may initiate wakeup */ -#define USB_DEVICE_TEST_MODE 2 /* (high speed only) */ -#define USB_DEVICE_B_HNP_ENABLE 3 /* dev may initiate HNP */ -#define USB_DEVICE_A_HNP_SUPPORT 4 /* RH port supports HNP */ -#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* other RH port does */ +#define USB_DEVICE_TEST_MODE 2 /* (wired high speed only) */ +#define USB_DEVICE_BATTERY 2 /* (wireless) */ +#define USB_DEVICE_B_HNP_ENABLE 3 /* (otg) dev may initiate HNP */ +#define USB_DEVICE_WUSB_DEVICE 3 /* (wireless)*/ +#define USB_DEVICE_A_HNP_SUPPORT 4 /* (otg) RH port supports HNP */ +#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */ #define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ #define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ @@ -135,6 +152,13 @@ struct usb_ctrlrequest { #define USB_DT_OTG 0x09 #define USB_DT_DEBUG 0x0a #define USB_DT_INTERFACE_ASSOCIATION 0x0b +/* these are from the Wireless USB spec */ +#define USB_DT_SECURITY 0x0c +#define USB_DT_KEY 0x0d +#define USB_DT_ENCRYPTION_TYPE 0x0e +#define USB_DT_BOS 0x0f +#define USB_DT_DEVICE_CAPABILITY 0x10 +#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11 /* conventional codes for class-specific descriptors */ #define USB_DT_CS_DEVICE 0x21 @@ -192,6 +216,7 @@ struct usb_device_descriptor { #define USB_CLASS_CSCID 0x0b /* chip+ smart card */ #define USB_CLASS_CONTENT_SEC 0x0d /* content security */ #define USB_CLASS_VIDEO 0x0e +#define USB_CLASS_WIRELESS_CONTROLLER 0xe0 #define USB_CLASS_APP_SPEC 0xfe #define USB_CLASS_VENDOR_SPEC 0xff @@ -223,6 +248,7 @@ struct usb_config_descriptor { #define USB_CONFIG_ATT_ONE (1 << 7) /* must be set */ #define USB_CONFIG_ATT_SELFPOWER (1 << 6) /* self powered */ #define USB_CONFIG_ATT_WAKEUP (1 << 5) /* can wakeup */ +#define USB_CONFIG_ATT_BATTERY (1 << 4) /* battery powered */ /*-------------------------------------------------------------------------*/ @@ -268,8 +294,8 @@ struct usb_endpoint_descriptor { __le16 wMaxPacketSize; __u8 bInterval; - // NOTE: these two are _only_ in audio endpoints. - // use USB_DT_ENDPOINT*_SIZE in bLength, not sizeof. + /* NOTE: these two are _only_ in audio endpoints. */ + /* use USB_DT_ENDPOINT*_SIZE in bLength, not sizeof. */ __u8 bRefresh; __u8 bSynchAddress; } __attribute__ ((packed)); @@ -289,6 +315,7 @@ struct usb_endpoint_descriptor { #define USB_ENDPOINT_XFER_ISOC 1 #define USB_ENDPOINT_XFER_BULK 2 #define USB_ENDPOINT_XFER_INT 3 +#define USB_ENDPOINT_MAX_ADJUSTABLE 0x80 /*-------------------------------------------------------------------------*/ @@ -352,12 +379,154 @@ struct usb_interface_assoc_descriptor { /*-------------------------------------------------------------------------*/ +/* USB_DT_SECURITY: group of wireless security descriptors, including + * encryption types available for setting up a CC/association. + */ +struct usb_security_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __le16 wTotalLength; + __u8 bNumEncryptionTypes; +}; + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_KEY: used with {GET,SET}_SECURITY_DATA; only public keys + * may be retrieved. + */ +struct usb_key_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 tTKID[3]; + __u8 bReserved; + __u8 bKeyData[0]; +}; + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_ENCRYPTION_TYPE: bundled in DT_SECURITY groups */ +struct usb_encryption_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bEncryptionType; +#define USB_ENC_TYPE_UNSECURE 0 +#define USB_ENC_TYPE_WIRED 1 /* non-wireless mode */ +#define USB_ENC_TYPE_CCM_1 2 /* aes128/cbc session */ +#define USB_ENC_TYPE_RSA_1 3 /* rsa3072/sha1 auth */ + __u8 bEncryptionValue; /* use in SET_ENCRYPTION */ + __u8 bAuthKeyIndex; +}; + + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_BOS: group of wireless capabilities */ +struct usb_bos_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __le16 wTotalLength; + __u8 bNumDeviceCaps; +}; + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_DEVICE_CAPABILITY: grouped with BOS */ +struct usb_dev_cap_header { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; +}; + +#define USB_CAP_TYPE_WIRELESS_USB 1 + +struct usb_wireless_cap_descriptor { /* Ultra Wide Band */ + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + + __u8 bmAttributes; +#define USB_WIRELESS_P2P_DRD (1 << 1) +#define USB_WIRELESS_BEACON_MASK (3 << 2) +#define USB_WIRELESS_BEACON_SELF (1 << 2) +#define USB_WIRELESS_BEACON_DIRECTED (2 << 2) +#define USB_WIRELESS_BEACON_NONE (3 << 2) + __le16 wPHYRates; /* bit rates, Mbps */ +#define USB_WIRELESS_PHY_53 (1 << 0) /* always set */ +#define USB_WIRELESS_PHY_80 (1 << 1) +#define USB_WIRELESS_PHY_107 (1 << 2) /* always set */ +#define USB_WIRELESS_PHY_160 (1 << 3) +#define USB_WIRELESS_PHY_200 (1 << 4) /* always set */ +#define USB_WIRELESS_PHY_320 (1 << 5) +#define USB_WIRELESS_PHY_400 (1 << 6) +#define USB_WIRELESS_PHY_480 (1 << 7) + __u8 bmTFITXPowerInfo; /* TFI power levels */ + __u8 bmFFITXPowerInfo; /* FFI power levels */ + __le16 bmBandGroup; + __u8 bReserved; +}; + +/*-------------------------------------------------------------------------*/ + +/* USB_DT_WIRELESS_ENDPOINT_COMP: companion descriptor associated with + * each endpoint descriptor for a wireless device + */ +struct usb_wireless_ep_comp_descriptor { + __u8 bLength; + __u8 bDescriptorType; + + __u8 bMaxBurst; + __u8 bMaxSequence; + __le16 wMaxStreamDelay; + __le16 wOverTheAirPacketSize; + __u8 bOverTheAirInterval; + __u8 bmCompAttributes; +#define USB_ENDPOINT_SWITCH_MASK 0x03 /* in bmCompAttributes */ +#define USB_ENDPOINT_SWITCH_NO 0 +#define USB_ENDPOINT_SWITCH_SWITCH 1 +#define USB_ENDPOINT_SWITCH_SCALE 2 +}; + +/*-------------------------------------------------------------------------*/ + +/* USB_REQ_SET_HANDSHAKE is a four-way handshake used between a wireless + * host and a device for connection set up, mutual authentication, and + * exchanging short lived session keys. The handshake depends on a CC. + */ +struct usb_handshake { + __u8 bMessageNumber; + __u8 bStatus; + __u8 tTKID[3]; + __u8 bReserved; + __u8 CDID[16]; + __u8 nonce[16]; + __u8 MIC[8]; +}; + +/*-------------------------------------------------------------------------*/ + +/* USB_REQ_SET_CONNECTION modifies or revokes a connection context (CC). + * A CC may also be set up using non-wireless secure channels (including + * wired USB!), and some devices may support CCs with multiple hosts. + */ +struct usb_connection_context { + __u8 CHID[16]; /* persistent host id */ + __u8 CDID[16]; /* device id (unique w/in host context) */ + __u8 CK[16]; /* connection key */ +}; + +/*-------------------------------------------------------------------------*/ + /* USB 2.0 defines three speeds, here's how Linux identifies them */ enum usb_device_speed { USB_SPEED_UNKNOWN = 0, /* enumerating */ USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */ - USB_SPEED_HIGH /* usb 2.0 */ + USB_SPEED_HIGH, /* usb 2.0 */ + USB_SPEED_VARIABLE, /* wireless (usb 2.5) */ }; enum usb_device_state { diff --git a/include/linux/usb_gadget.h b/include/linux/usb_gadget.h index 9bba9997947..71e60860732 100644 --- a/include/linux/usb_gadget.h +++ b/include/linux/usb_gadget.h @@ -107,18 +107,18 @@ struct usb_ep_ops { int (*disable) (struct usb_ep *ep); struct usb_request *(*alloc_request) (struct usb_ep *ep, - int gfp_flags); + unsigned gfp_flags); void (*free_request) (struct usb_ep *ep, struct usb_request *req); void *(*alloc_buffer) (struct usb_ep *ep, unsigned bytes, - dma_addr_t *dma, int gfp_flags); + dma_addr_t *dma, unsigned gfp_flags); void (*free_buffer) (struct usb_ep *ep, void *buf, dma_addr_t dma, unsigned bytes); // NOTE: on 2.6, drivers may also use dma_map() and // dma_sync_single_*() to directly manage dma overhead. int (*queue) (struct usb_ep *ep, struct usb_request *req, - int gfp_flags); + unsigned gfp_flags); int (*dequeue) (struct usb_ep *ep, struct usb_request *req); int (*set_halt) (struct usb_ep *ep, int value); @@ -214,7 +214,7 @@ usb_ep_disable (struct usb_ep *ep) * Returns the request, or null if one could not be allocated. */ static inline struct usb_request * -usb_ep_alloc_request (struct usb_ep *ep, int gfp_flags) +usb_ep_alloc_request (struct usb_ep *ep, unsigned gfp_flags) { return ep->ops->alloc_request (ep, gfp_flags); } @@ -254,7 +254,7 @@ usb_ep_free_request (struct usb_ep *ep, struct usb_request *req) */ static inline void * usb_ep_alloc_buffer (struct usb_ep *ep, unsigned len, dma_addr_t *dma, - int gfp_flags) + unsigned gfp_flags) { return ep->ops->alloc_buffer (ep, len, dma, gfp_flags); } @@ -330,7 +330,7 @@ usb_ep_free_buffer (struct usb_ep *ep, void *buf, dma_addr_t dma, unsigned len) * reported when the usb peripheral is disconnected. */ static inline int -usb_ep_queue (struct usb_ep *ep, struct usb_request *req, int gfp_flags) +usb_ep_queue (struct usb_ep *ep, struct usb_request *req, unsigned gfp_flags) { return ep->ops->queue (ep, req, gfp_flags); } @@ -711,7 +711,7 @@ usb_gadget_disconnect (struct usb_gadget *gadget) * the hardware level driver. Most calls must be handled by * the gadget driver, including descriptor and configuration * management. The 16 bit members of the setup data are in - * cpu order. Called in_interrupt; this may not sleep. Driver + * USB byte order. Called in_interrupt; this may not sleep. Driver * queues a response to ep0, or returns negative to stall. * @disconnect: Invoked after all transfers have been stopped, * when the host is disconnected. May be called in_interrupt; this diff --git a/include/linux/usb_input.h b/include/linux/usb_input.h new file mode 100644 index 00000000000..716e0cc1604 --- /dev/null +++ b/include/linux/usb_input.h @@ -0,0 +1,25 @@ +#ifndef __USB_INPUT_H +#define __USB_INPUT_H + +/* + * Copyright (C) 2005 Dmitry Torokhov + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#include <linux/usb.h> +#include <linux/input.h> +#include <asm/byteorder.h> + +static inline void +usb_to_input_id(const struct usb_device *dev, struct input_id *id) +{ + id->bustype = BUS_USB; + id->vendor = le16_to_cpu(dev->descriptor.idVendor); + id->product = le16_to_cpu(dev->descriptor.idProduct); + id->version = le16_to_cpu(dev->descriptor.bcdDevice); +} + +#endif diff --git a/include/linux/usb_isp116x.h b/include/linux/usb_isp116x.h new file mode 100644 index 00000000000..5f5a9d9bd6c --- /dev/null +++ b/include/linux/usb_isp116x.h @@ -0,0 +1,47 @@ + +/* + * Board initialization code should put one of these into dev->platform_data + * and place the isp116x onto platform_bus. + */ + +struct isp116x_platform_data { + /* Enable internal resistors on downstream ports */ + unsigned sel15Kres:1; + /* Chip's internal clock won't be stopped in suspended state. + Setting/unsetting this bit takes effect only if + 'remote_wakeup_enable' below is not set. */ + unsigned clknotstop:1; + /* On-chip overcurrent protection */ + unsigned oc_enable:1; + /* INT output polarity */ + unsigned int_act_high:1; + /* INT edge or level triggered */ + unsigned int_edge_triggered:1; + /* WAKEUP pin connected - NOT SUPPORTED */ + /* unsigned remote_wakeup_connected:1; */ + /* Wakeup by devices on usb bus enabled */ + unsigned remote_wakeup_enable:1; + /* Switch or not to switch (keep always powered) */ + unsigned no_power_switching:1; + /* Ganged port power switching (0) or individual port + power switching (1) */ + unsigned power_switching_mode:1; + /* Given port_power, msec/2 after power on till power good */ + u8 potpg; + /* Hardware reset set/clear. If implemented, this function must: + if set == 0, deassert chip's HW reset pin + otherwise, assert chip's HW reset pin */ + void (*reset) (struct device * dev, int set); + /* Hardware clock start/stop. If implemented, this function must: + if start == 0, stop the external clock + otherwise, start the external clock + */ + void (*clock) (struct device * dev, int start); + /* Inter-io delay (ns). The chip is picky about access timings; it + expects at least: + 150ns delay between consecutive accesses to DATA_REG, + 300ns delay between access to ADDR_REG and DATA_REG + OE, WE MUST NOT be changed during these intervals + */ + void (*delay) (struct device * dev, int delay); +}; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 4e0edce5376..acbfc525576 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -221,6 +221,8 @@ struct v4l2_pix_format /* Vendor-specific formats */ #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */ #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */ +#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */ +#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */ /* * F O R M A T E N U M E R A T I O N diff --git a/include/linux/wait.h b/include/linux/wait.h index c9486c3efb4..d38c9fecdc3 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -33,7 +33,7 @@ int default_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key struct __wait_queue { unsigned int flags; #define WQ_FLAG_EXCLUSIVE 0x01 - struct task_struct * task; + void *private; wait_queue_func_t func; struct list_head task_list; }; @@ -60,7 +60,7 @@ typedef struct __wait_queue_head wait_queue_head_t; */ #define __WAITQUEUE_INITIALIZER(name, tsk) { \ - .task = tsk, \ + .private = tsk, \ .func = default_wake_function, \ .task_list = { NULL, NULL } } @@ -86,7 +86,7 @@ static inline void init_waitqueue_head(wait_queue_head_t *q) static inline void init_waitqueue_entry(wait_queue_t *q, struct task_struct *p) { q->flags = 0; - q->task = p; + q->private = p; q->func = default_wake_function; } @@ -94,7 +94,7 @@ static inline void init_waitqueue_func_entry(wait_queue_t *q, wait_queue_func_t func) { q->flags = 0; - q->task = NULL; + q->private = NULL; q->func = func; } @@ -110,7 +110,7 @@ static inline int waitqueue_active(wait_queue_head_t *q) * aio specifies a wait queue entry with an async notification * callback routine, not associated with any task. */ -#define is_sync_wait(wait) (!(wait) || ((wait)->task)) +#define is_sync_wait(wait) (!(wait) || ((wait)->private)) extern void FASTCALL(add_wait_queue(wait_queue_head_t *q, wait_queue_t * wait)); extern void FASTCALL(add_wait_queue_exclusive(wait_queue_head_t *q, wait_queue_t * wait)); @@ -384,7 +384,7 @@ int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key); #define DEFINE_WAIT(name) \ wait_queue_t name = { \ - .task = current, \ + .private = current, \ .func = autoremove_wake_function, \ .task_list = LIST_HEAD_INIT((name).task_list), \ } @@ -393,7 +393,7 @@ int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key); struct wait_bit_queue name = { \ .key = __WAIT_BIT_KEY_INITIALIZER(word, bit), \ .wait = { \ - .task = current, \ + .private = current, \ .func = wake_bit_function, \ .task_list = \ LIST_HEAD_INIT((name).wait.task_list), \ @@ -402,7 +402,7 @@ int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key); #define init_wait(wait) \ do { \ - (wait)->task = current; \ + (wait)->private = current; \ (wait)->func = autoremove_wake_function; \ INIT_LIST_HEAD(&(wait)->task_list); \ } while (0) diff --git a/include/linux/wanrouter.h b/include/linux/wanrouter.h index 3e89f0f15f4..1b6b76a4eb5 100644 --- a/include/linux/wanrouter.h +++ b/include/linux/wanrouter.h @@ -516,8 +516,7 @@ struct wan_device { /* Public functions available for device drivers */ extern int register_wan_device(struct wan_device *wandev); extern int unregister_wan_device(char *name); -unsigned short wanrouter_type_trans(struct sk_buff *skb, - struct net_device *dev); +__be16 wanrouter_type_trans(struct sk_buff *skb, struct net_device *dev); int wanrouter_encapsulate(struct sk_buff *skb, struct net_device *dev, unsigned short type); diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index 88ba0d29f8c..1192ed8f4fe 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -47,4 +47,14 @@ struct watchdog_info { #define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */ #define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */ +#ifdef __KERNEL__ + +#ifdef CONFIG_WATCHDOG_NOWAYOUT +#define WATCHDOG_NOWAYOUT 1 +#else +#define WATCHDOG_NOWAYOUT 0 +#endif + +#endif /* __KERNEL__ */ + #endif /* ifndef _LINUX_WATCHDOG_H */ diff --git a/include/linux/wireless.h b/include/linux/wireless.h index 2f51f2b6562..ae485f9c916 100644 --- a/include/linux/wireless.h +++ b/include/linux/wireless.h @@ -1,10 +1,10 @@ /* * This file define a set of standard wireless extensions * - * Version : 17 21.6.04 + * Version : 18 12.3.05 * * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> - * Copyright (c) 1997-2004 Jean Tourrilhes, All Rights Reserved. + * Copyright (c) 1997-2005 Jean Tourrilhes, All Rights Reserved. */ #ifndef _LINUX_WIRELESS_H @@ -82,7 +82,7 @@ * (there is some stuff that will be added in the future...) * I just plan to increment with each new version. */ -#define WIRELESS_EXT 17 +#define WIRELESS_EXT 18 /* * Changes : @@ -182,6 +182,21 @@ * - Document (struct iw_quality *)->updated, add new flags (INVALID) * - Wireless Event capability in struct iw_range * - Add support for relative TxPower (yick !) + * + * V17 to V18 (From Jouni Malinen <jkmaline@cc.hut.fi>) + * ---------- + * - Add support for WPA/WPA2 + * - Add extended encoding configuration (SIOCSIWENCODEEXT and + * SIOCGIWENCODEEXT) + * - Add SIOCSIWGENIE/SIOCGIWGENIE + * - Add SIOCSIWMLME + * - Add SIOCSIWPMKSA + * - Add struct iw_range bit field for supported encoding capabilities + * - Add optional scan request parameters for SIOCSIWSCAN + * - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA + * related parameters (extensible up to 4096 parameter values) + * - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE, + * IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND */ /**************************** CONSTANTS ****************************/ @@ -256,6 +271,30 @@ #define SIOCSIWPOWER 0x8B2C /* set Power Management settings */ #define SIOCGIWPOWER 0x8B2D /* get Power Management settings */ +/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM). + * This ioctl uses struct iw_point and data buffer that includes IE id and len + * fields. More than one IE may be included in the request. Setting the generic + * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers + * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers + * are required to report the used IE as a wireless event, e.g., when + * associating with an AP. */ +#define SIOCSIWGENIE 0x8B30 /* set generic IE */ +#define SIOCGIWGENIE 0x8B31 /* get generic IE */ + +/* WPA : IEEE 802.11 MLME requests */ +#define SIOCSIWMLME 0x8B16 /* request MLME operation; uses + * struct iw_mlme */ +/* WPA : Authentication mode parameters */ +#define SIOCSIWAUTH 0x8B32 /* set authentication mode params */ +#define SIOCGIWAUTH 0x8B33 /* get authentication mode params */ + +/* WPA : Extended version of encoding configuration */ +#define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */ +#define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */ + +/* WPA2 : PMKSA cache management */ +#define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */ + /* -------------------- DEV PRIVATE IOCTL LIST -------------------- */ /* These 32 ioctl are wireless device private, for 16 commands. @@ -297,6 +336,34 @@ #define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */ #define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */ #define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */ +#define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..) + * (scan results); This includes id and + * length fields. One IWEVGENIE may + * contain more than one IE. Scan + * results may contain one or more + * IWEVGENIE events. */ +#define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure + * (struct iw_michaelmicfailure) + */ +#define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request. + * The data includes id and length + * fields and may contain more than one + * IE. This event is required in + * Managed mode if the driver + * generates its own WPA/RSN IE. This + * should be sent just before + * IWEVREGISTERED event for the + * association. */ +#define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association + * Response. The data includes id and + * length fields and may contain more + * than one IE. This may be sent + * between IWEVASSOCREQIE and + * IWEVREGISTERED events for the + * association. */ +#define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN + * pre-authentication + * (struct iw_pmkid_cand) */ #define IWEVFIRST 0x8C00 @@ -432,12 +499,94 @@ #define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */ #define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */ #define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */ +/* struct iw_scan_req scan_type */ +#define IW_SCAN_TYPE_ACTIVE 0 +#define IW_SCAN_TYPE_PASSIVE 1 /* Maximum size of returned data */ #define IW_SCAN_MAX_DATA 4096 /* In bytes */ /* Max number of char in custom event - use multiple of them if needed */ #define IW_CUSTOM_MAX 256 /* In bytes */ +/* Generic information element */ +#define IW_GENERIC_IE_MAX 1024 + +/* MLME requests (SIOCSIWMLME / struct iw_mlme) */ +#define IW_MLME_DEAUTH 0 +#define IW_MLME_DISASSOC 1 + +/* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */ +#define IW_AUTH_INDEX 0x0FFF +#define IW_AUTH_FLAGS 0xF000 +/* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095) + * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the + * parameter that is being set/get to; value will be read/written to + * struct iw_param value field) */ +#define IW_AUTH_WPA_VERSION 0 +#define IW_AUTH_CIPHER_PAIRWISE 1 +#define IW_AUTH_CIPHER_GROUP 2 +#define IW_AUTH_KEY_MGMT 3 +#define IW_AUTH_TKIP_COUNTERMEASURES 4 +#define IW_AUTH_DROP_UNENCRYPTED 5 +#define IW_AUTH_80211_AUTH_ALG 6 +#define IW_AUTH_WPA_ENABLED 7 +#define IW_AUTH_RX_UNENCRYPTED_EAPOL 8 +#define IW_AUTH_ROAMING_CONTROL 9 +#define IW_AUTH_PRIVACY_INVOKED 10 + +/* IW_AUTH_WPA_VERSION values (bit field) */ +#define IW_AUTH_WPA_VERSION_DISABLED 0x00000001 +#define IW_AUTH_WPA_VERSION_WPA 0x00000002 +#define IW_AUTH_WPA_VERSION_WPA2 0x00000004 + +/* IW_AUTH_PAIRWISE_CIPHER and IW_AUTH_GROUP_CIPHER values (bit field) */ +#define IW_AUTH_CIPHER_NONE 0x00000001 +#define IW_AUTH_CIPHER_WEP40 0x00000002 +#define IW_AUTH_CIPHER_TKIP 0x00000004 +#define IW_AUTH_CIPHER_CCMP 0x00000008 +#define IW_AUTH_CIPHER_WEP104 0x00000010 + +/* IW_AUTH_KEY_MGMT values (bit field) */ +#define IW_AUTH_KEY_MGMT_802_1X 1 +#define IW_AUTH_KEY_MGMT_PSK 2 + +/* IW_AUTH_80211_AUTH_ALG values (bit field) */ +#define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001 +#define IW_AUTH_ALG_SHARED_KEY 0x00000002 +#define IW_AUTH_ALG_LEAP 0x00000004 + +/* IW_AUTH_ROAMING_CONTROL values */ +#define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */ +#define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming + * control */ + +/* SIOCSIWENCODEEXT definitions */ +#define IW_ENCODE_SEQ_MAX_SIZE 8 +/* struct iw_encode_ext ->alg */ +#define IW_ENCODE_ALG_NONE 0 +#define IW_ENCODE_ALG_WEP 1 +#define IW_ENCODE_ALG_TKIP 2 +#define IW_ENCODE_ALG_CCMP 3 +/* struct iw_encode_ext ->ext_flags */ +#define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001 +#define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002 +#define IW_ENCODE_EXT_GROUP_KEY 0x00000004 +#define IW_ENCODE_EXT_SET_TX_KEY 0x00000008 + +/* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */ +#define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */ +#define IW_MICFAILURE_GROUP 0x00000004 +#define IW_MICFAILURE_PAIRWISE 0x00000008 +#define IW_MICFAILURE_STAKEY 0x00000010 +#define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported) + */ + +/* Bit field values for enc_capa in struct iw_range */ +#define IW_ENC_CAPA_WPA 0x00000001 +#define IW_ENC_CAPA_WPA2 0x00000002 +#define IW_ENC_CAPA_CIPHER_TKIP 0x00000004 +#define IW_ENC_CAPA_CIPHER_CCMP 0x00000008 + /* Event capability macros - in (struct iw_range *)->event_capa * Because we have more than 32 possible events, we use an array of * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */ @@ -546,6 +695,132 @@ struct iw_thrspy struct iw_quality high; /* High threshold */ }; +/* + * Optional data for scan request + * + * Note: these optional parameters are controlling parameters for the + * scanning behavior, these do not apply to getting scan results + * (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and + * provide a merged results with all BSSes even if the previous scan + * request limited scanning to a subset, e.g., by specifying an SSID. + * Especially, scan results are required to include an entry for the + * current BSS if the driver is in Managed mode and associated with an AP. + */ +struct iw_scan_req +{ + __u8 scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */ + __u8 essid_len; + __u8 num_channels; /* num entries in channel_list; + * 0 = scan all allowed channels */ + __u8 flags; /* reserved as padding; use zero, this may + * be used in the future for adding flags + * to request different scan behavior */ + struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or + * individual address of a specific BSS */ + + /* + * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using + * the current ESSID. This allows scan requests for specific ESSID + * without having to change the current ESSID and potentially breaking + * the current association. + */ + __u8 essid[IW_ESSID_MAX_SIZE]; + + /* + * Optional parameters for changing the default scanning behavior. + * These are based on the MLME-SCAN.request from IEEE Std 802.11. + * TU is 1.024 ms. If these are set to 0, driver is expected to use + * reasonable default values. min_channel_time defines the time that + * will be used to wait for the first reply on each channel. If no + * replies are received, next channel will be scanned after this. If + * replies are received, total time waited on the channel is defined by + * max_channel_time. + */ + __u32 min_channel_time; /* in TU */ + __u32 max_channel_time; /* in TU */ + + struct iw_freq channel_list[IW_MAX_FREQUENCIES]; +}; + +/* ------------------------- WPA SUPPORT ------------------------- */ + +/* + * Extended data structure for get/set encoding (this is used with + * SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_* + * flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and + * only the data contents changes (key data -> this structure, including + * key data). + * + * If the new key is the first group key, it will be set as the default + * TX key. Otherwise, default TX key index is only changed if + * IW_ENCODE_EXT_SET_TX_KEY flag is set. + * + * Key will be changed with SIOCSIWENCODEEXT in all cases except for + * special "change TX key index" operation which is indicated by setting + * key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY. + * + * tx_seq/rx_seq are only used when respective + * IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal + * TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start + * TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally + * used only by an Authenticator (AP or an IBSS station) to get the + * current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and + * RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for + * debugging/testing. + */ +struct iw_encode_ext +{ + __u32 ext_flags; /* IW_ENCODE_EXT_* */ + __u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ + __u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ + struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast + * (group) keys or unicast address for + * individual keys */ + __u16 alg; /* IW_ENCODE_ALG_* */ + __u16 key_len; + __u8 key[0]; +}; + +/* SIOCSIWMLME data */ +struct iw_mlme +{ + __u16 cmd; /* IW_MLME_* */ + __u16 reason_code; + struct sockaddr addr; +}; + +/* SIOCSIWPMKSA data */ +#define IW_PMKSA_ADD 1 +#define IW_PMKSA_REMOVE 2 +#define IW_PMKSA_FLUSH 3 + +#define IW_PMKID_LEN 16 + +struct iw_pmksa +{ + __u32 cmd; /* IW_PMKSA_* */ + struct sockaddr bssid; + __u8 pmkid[IW_PMKID_LEN]; +}; + +/* IWEVMICHAELMICFAILURE data */ +struct iw_michaelmicfailure +{ + __u32 flags; + struct sockaddr src_addr; + __u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ +}; + +/* IWEVPMKIDCAND data */ +#define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */ +struct iw_pmkid_cand +{ + __u32 flags; /* IW_PMKID_CAND_* */ + __u32 index; /* the smaller the index, the higher the + * priority */ + struct sockaddr bssid; +}; + /* ------------------------ WIRELESS STATS ------------------------ */ /* * Wireless statistics (used for /proc/net/wireless) @@ -725,6 +1000,8 @@ struct iw_range struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */ /* Note : this frequency list doesn't need to fit channel numbers, * because each entry contain its channel index */ + + __u32 enc_capa; /* IW_ENC_CAPA_* bit field */ }; /* diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 1262cb43c3a..542dbaee651 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -14,11 +14,13 @@ extern struct list_head inode_unused; * Yes, writeback.h requires sched.h * No, sched.h is not included from here. */ -static inline int current_is_pdflush(void) +static inline int task_is_pdflush(struct task_struct *task) { - return current->flags & PF_FLUSHER; + return task->flags & PF_FLUSHER; } +#define current_is_pdflush() task_is_pdflush(current) + /* * fs/fs-writeback.c */ @@ -83,7 +85,7 @@ static inline void wait_on_inode(struct inode *inode) /* * mm/page-writeback.c */ -int wakeup_bdflush(long nr_pages); +int wakeup_pdflush(long nr_pages); void laptop_io_completion(void); void laptop_sync_completion(void); void throttle_vm_writeout(void); diff --git a/include/linux/x25.h b/include/linux/x25.h index 7531cfed588..16d44931afa 100644 --- a/include/linux/x25.h +++ b/include/linux/x25.h @@ -4,6 +4,8 @@ * History * mar/20/00 Daniela Squassoni Disabling/enabling of facilities * negotiation. + * apr/02/05 Shaun Pereira Selective sub address matching with + * call user data */ #ifndef X25_KERNEL_H @@ -16,6 +18,9 @@ #define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4) #define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5) #define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6) +#define SIOCX25SCUDMATCHLEN (SIOCPROTOPRIVATE + 7) +#define SIOCX25CALLACCPTAPPRV (SIOCPROTOPRIVATE + 8) +#define SIOCX25SENDCALLACCPT (SIOCPROTOPRIVATE + 9) /* * Values for {get,set}sockopt. @@ -109,4 +114,11 @@ struct x25_causediag { unsigned char diagnostic; }; +/* + * Further optional call user data match length selection + */ +struct x25_subaddr { + unsigned int cudmatchlength; +}; + #endif diff --git a/include/linux/xattr_acl.h b/include/linux/xattr_acl.h deleted file mode 100644 index 7a1f9b93a45..00000000000 --- a/include/linux/xattr_acl.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - File: linux/xattr_acl.h - - (extended attribute representation of access control lists) - - (C) 2000 Andreas Gruenbacher, <a.gruenbacher@computer.org> -*/ - -#ifndef _LINUX_XATTR_ACL_H -#define _LINUX_XATTR_ACL_H - -#include <linux/posix_acl.h> - -#define XATTR_NAME_ACL_ACCESS "system.posix_acl_access" -#define XATTR_NAME_ACL_DEFAULT "system.posix_acl_default" - -#define XATTR_ACL_VERSION 0x0002 - -typedef struct { - __u16 e_tag; - __u16 e_perm; - __u32 e_id; -} xattr_acl_entry; - -typedef struct { - __u32 a_version; - xattr_acl_entry a_entries[0]; -} xattr_acl_header; - -static inline size_t xattr_acl_size(int count) -{ - return sizeof(xattr_acl_header) + count * sizeof(xattr_acl_entry); -} - -static inline int xattr_acl_count(size_t size) -{ - if (size < sizeof(xattr_acl_header)) - return -1; - size -= sizeof(xattr_acl_header); - if (size % sizeof(xattr_acl_entry)) - return -1; - return size / sizeof(xattr_acl_entry); -} - -struct posix_acl * posix_acl_from_xattr(const void *value, size_t size); -int posix_acl_to_xattr(const struct posix_acl *acl, void *buffer, size_t size); - - - -#endif /* _LINUX_XATTR_ACL_H */ diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h index fd2ef742a9f..f0d423300d8 100644 --- a/include/linux/xfrm.h +++ b/include/linux/xfrm.h @@ -174,6 +174,8 @@ enum xfrm_attr_type_t { XFRMA_ALG_COMP, /* struct xfrm_algo */ XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */ XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */ + XFRMA_SA, + XFRMA_POLICY, __XFRMA_MAX #define XFRMA_MAX (__XFRMA_MAX - 1) @@ -194,6 +196,7 @@ struct xfrm_usersa_info { __u8 flags; #define XFRM_STATE_NOECN 1 #define XFRM_STATE_DECAP_DSCP 2 +#define XFRM_STATE_NOPMTUDISC 4 }; struct xfrm_usersa_id { @@ -257,5 +260,7 @@ struct xfrm_usersa_flush { #define XFRMGRP_ACQUIRE 1 #define XFRMGRP_EXPIRE 2 +#define XFRMGRP_SA 4 +#define XFRMGRP_POLICY 8 #endif /* _LINUX_XFRM_H */ |