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-rw-r--r--include/scsi/iscsi_if.h6
-rw-r--r--include/scsi/scsi.h6
-rw-r--r--include/scsi/scsi_cmnd.h1
-rw-r--r--include/scsi/scsi_dbg.h1
-rw-r--r--include/scsi/scsi_device.h12
-rw-r--r--include/scsi/scsi_driver.h1
-rw-r--r--include/scsi/scsi_host.h10
-rw-r--r--include/scsi/scsi_transport.h7
-rw-r--r--include/scsi/scsi_transport_fc.h4
-rw-r--r--include/scsi/scsi_transport_iscsi.h75
-rw-r--r--include/scsi/scsi_transport_spi.h7
11 files changed, 108 insertions, 22 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index be1bc792ab1..3e5cb5ab2d3 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -168,6 +168,12 @@ typedef uint64_t iscsi_connh_t; /* iSCSI Data-Path connection handle */
#define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
#define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
+#define hostdata_session(_hostdata) (iscsi_ptr(*(unsigned long *)_hostdata))
+
+/**
+ * iscsi_hostdata - get LLD hostdata from scsi_host
+ * @_hostdata: pointer to scsi host's hostdata
+ **/
#define iscsi_hostdata(_hostdata) ((void*)_hostdata + sizeof(unsigned long))
/*
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 6cb1e2788d8..c60b8ff2f5e 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -32,6 +32,12 @@ extern const unsigned char scsi_command_size[8];
extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
/*
+ * Special value for scanning to specify scanning or rescanning of all
+ * possible channels, (target) ids, or luns on a given shost.
+ */
+#define SCAN_WILD_CARD ~0
+
+/*
* SCSI opcodes
*/
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 20da282d4ab..7529f4388bb 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -151,6 +151,5 @@ extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
extern void scsi_put_command(struct scsi_cmnd *);
extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int);
extern void scsi_finish_command(struct scsi_cmnd *cmd);
-extern void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd, int retries);
#endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h
index b090a11d7e1..4d69dee66d4 100644
--- a/include/scsi/scsi_dbg.h
+++ b/include/scsi/scsi_dbg.h
@@ -16,7 +16,6 @@ extern void __scsi_print_sense(const char *name,
extern void scsi_print_driverbyte(int);
extern void scsi_print_hostbyte(int);
extern void scsi_print_status(unsigned char);
-extern int scsi_print_msg(const unsigned char *);
extern const char *scsi_sense_key_string(unsigned char);
extern const char *scsi_extd_sense_format(unsigned char, unsigned char);
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 85cfd88461c..e94ca4d3603 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -79,9 +79,9 @@ struct scsi_device {
char inq_periph_qual; /* PQ from INQUIRY data */
unsigned char inquiry_len; /* valid bytes in 'inquiry' */
unsigned char * inquiry; /* INQUIRY response data */
- char * vendor; /* [back_compat] point into 'inquiry' ... */
- char * model; /* ... after scan; point to static string */
- char * rev; /* ... "nullnullnullnull" before scan */
+ const char * vendor; /* [back_compat] point into 'inquiry' ... */
+ const char * model; /* ... after scan; point to static string */
+ const char * rev; /* ... "nullnullnullnull" before scan */
unsigned char current_tag; /* current tag */
struct scsi_target *sdev_target; /* used only for single_lun */
@@ -274,6 +274,12 @@ extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
struct scsi_sense_hdr *, int timeout, int retries);
+extern int scsi_execute_async(struct scsi_device *sdev,
+ const unsigned char *cmd, int data_direction,
+ void *buffer, unsigned bufflen, int use_sg,
+ int timeout, int retries, void *privdata,
+ void (*done)(void *, char *, int, int),
+ gfp_t gfp);
static inline unsigned int sdev_channel(struct scsi_device *sdev)
{
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h
index 850dfa877fd..02e26c1672b 100644
--- a/include/scsi/scsi_driver.h
+++ b/include/scsi/scsi_driver.h
@@ -15,7 +15,6 @@ struct scsi_driver {
void (*rescan)(struct device *);
int (*issue_flush)(struct device *, sector_t *);
int (*prepare_flush)(struct request_queue *, struct request *);
- void (*end_flush)(struct request_queue *, struct request *);
};
#define to_scsi_driver(drv) \
container_of((drv), struct scsi_driver, gendrv)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 6cbb1982ed0..467274a764d 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -5,6 +5,7 @@
#include <linux/list.h>
#include <linux/types.h>
#include <linux/workqueue.h>
+#include <linux/mutex.h>
struct block_device;
struct completion;
@@ -296,6 +297,12 @@ struct scsi_host_template {
int (*proc_info)(struct Scsi_Host *, char *, char **, off_t, int, int);
/*
+ * suspend support
+ */
+ int (*resume)(struct scsi_device *);
+ int (*suspend)(struct scsi_device *);
+
+ /*
* Name of proc directory
*/
char *proc_name;
@@ -392,7 +399,6 @@ struct scsi_host_template {
/*
* ordered write support
*/
- unsigned ordered_flush:1;
unsigned ordered_tag:1;
/*
@@ -464,7 +470,7 @@ struct Scsi_Host {
spinlock_t default_lock;
spinlock_t *host_lock;
- struct semaphore scan_mutex;/* serialize scanning activity */
+ struct mutex scan_mutex;/* serialize scanning activity */
struct list_head eh_cmd_q;
struct task_struct * ehandler; /* Error recovery thread. */
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index f6e0bb484c6..e7b1054adf8 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -30,12 +30,9 @@ struct scsi_transport_template {
struct transport_container device_attrs;
/*
- * If set, call target_parent prior to allocating a scsi_target,
- * so we get the appropriate parent for the target. This function
- * is required for transports like FC and iSCSI that do not put the
- * scsi_target under scsi_host.
+ * If set, called from sysfs and legacy procfs rescanning code.
*/
- struct device *(*target_parent)(struct Scsi_Host *, int, uint);
+ int (*user_scan)(struct Scsi_Host *, uint, uint, uint);
/* The size of the specific transport attribute structure (a
* space of this size will be left at the end of the
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 394f14a5b7c..cf3fec8be1e 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -303,6 +303,7 @@ struct fc_host_attrs {
/* Fixed Attributes */
u64 node_name;
u64 port_name;
+ u64 permanent_port_name;
u32 supported_classes;
u8 supported_fc4s[FC_FC4_LIST_SIZE];
char symbolic_name[FC_SYMBOLIC_NAME_SIZE];
@@ -338,6 +339,8 @@ struct fc_host_attrs {
(((struct fc_host_attrs *)(x)->shost_data)->node_name)
#define fc_host_port_name(x) \
(((struct fc_host_attrs *)(x)->shost_data)->port_name)
+#define fc_host_permanent_port_name(x) \
+ (((struct fc_host_attrs *)(x)->shost_data)->permanent_port_name)
#define fc_host_supported_classes(x) \
(((struct fc_host_attrs *)(x)->shost_data)->supported_classes)
#define fc_host_supported_fc4s(x) \
@@ -426,6 +429,7 @@ struct fc_function_template {
/* host fixed attributes */
unsigned long show_host_node_name:1;
unsigned long show_host_port_name:1;
+ unsigned long show_host_permanent_port_name:1;
unsigned long show_host_supported_classes:1;
unsigned long show_host_supported_fc4s:1;
unsigned long show_host_symbolic_name:1;
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index f25041c386e..16602a547a6 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -23,8 +23,14 @@
#ifndef SCSI_TRANSPORT_ISCSI_H
#define SCSI_TRANSPORT_ISCSI_H
+#include <linux/device.h>
#include <scsi/iscsi_if.h>
+struct scsi_transport_template;
+struct Scsi_Host;
+struct mempool_zone;
+struct iscsi_cls_conn;
+
/**
* struct iscsi_transport - iSCSI Transport template
*
@@ -48,23 +54,31 @@ struct iscsi_transport {
char *name;
unsigned int caps;
struct scsi_host_template *host_template;
+ /* LLD session/scsi_host data size */
int hostdata_size;
+ /* LLD iscsi_host data size */
+ int ihostdata_size;
+ /* LLD connection data size */
+ int conndata_size;
int max_lun;
unsigned int max_conn;
unsigned int max_cmd_len;
- iscsi_sessionh_t (*create_session) (uint32_t initial_cmdsn,
- struct Scsi_Host *shost);
- void (*destroy_session) (iscsi_sessionh_t session);
- iscsi_connh_t (*create_conn) (iscsi_sessionh_t session, uint32_t cid);
+ struct Scsi_Host *(*create_session) (struct scsi_transport_template *t,
+ uint32_t initial_cmdsn);
+ void (*destroy_session) (struct Scsi_Host *shost);
+ struct iscsi_cls_conn *(*create_conn) (struct Scsi_Host *shost,
+ uint32_t cid);
int (*bind_conn) (iscsi_sessionh_t session, iscsi_connh_t conn,
uint32_t transport_fd, int is_leading);
int (*start_conn) (iscsi_connh_t conn);
void (*stop_conn) (iscsi_connh_t conn, int flag);
- void (*destroy_conn) (iscsi_connh_t conn);
+ void (*destroy_conn) (struct iscsi_cls_conn *conn);
int (*set_param) (iscsi_connh_t conn, enum iscsi_param param,
uint32_t value);
- int (*get_param) (iscsi_connh_t conn, enum iscsi_param param,
- uint32_t *value);
+ int (*get_conn_param) (void *conndata, enum iscsi_param param,
+ uint32_t *value);
+ int (*get_session_param) (struct Scsi_Host *shost,
+ enum iscsi_param param, uint32_t *value);
int (*send_pdu) (iscsi_connh_t conn, struct iscsi_hdr *hdr,
char *data, uint32_t data_size);
void (*get_stats) (iscsi_connh_t conn, struct iscsi_stats *stats);
@@ -73,7 +87,7 @@ struct iscsi_transport {
/*
* transport registration upcalls
*/
-extern int iscsi_register_transport(struct iscsi_transport *tt);
+extern struct scsi_transport_template *iscsi_register_transport(struct iscsi_transport *tt);
extern int iscsi_unregister_transport(struct iscsi_transport *tt);
/*
@@ -83,4 +97,49 @@ extern void iscsi_conn_error(iscsi_connh_t conn, enum iscsi_err error);
extern int iscsi_recv_pdu(iscsi_connh_t conn, struct iscsi_hdr *hdr,
char *data, uint32_t data_size);
+struct iscsi_cls_conn {
+ struct list_head conn_list; /* item in connlist */
+ void *dd_data; /* LLD private data */
+ struct iscsi_transport *transport;
+ iscsi_connh_t connh;
+ int active; /* must be accessed with the connlock */
+ struct device dev; /* sysfs transport/container device */
+ struct mempool_zone *z_error;
+ struct mempool_zone *z_pdu;
+ struct list_head freequeue;
+};
+
+#define iscsi_dev_to_conn(_dev) \
+ container_of(_dev, struct iscsi_cls_conn, dev)
+
+struct iscsi_cls_session {
+ struct list_head list; /* item in session_list */
+ struct iscsi_transport *transport;
+ struct device dev; /* sysfs transport/container device */
+};
+
+#define iscsi_dev_to_session(_dev) \
+ container_of(_dev, struct iscsi_cls_session, dev)
+
+#define iscsi_session_to_shost(_session) \
+ dev_to_shost(_session->dev.parent)
+
+/*
+ * session and connection functions that can be used by HW iSCSI LLDs
+ */
+extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost,
+ struct iscsi_transport *t);
+extern int iscsi_destroy_session(struct iscsi_cls_session *session);
+extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess,
+ uint32_t cid);
+extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn);
+
+/*
+ * session functions used by software iscsi
+ */
+extern struct Scsi_Host *
+iscsi_transport_create_session(struct scsi_transport_template *scsit,
+ struct iscsi_transport *transport);
+extern int iscsi_transport_destroy_session(struct Scsi_Host *shost);
+
#endif
diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index 6bdc4afb248..fb5a2ffae93 100644
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -22,8 +22,12 @@
#include <linux/config.h>
#include <linux/transport_class.h>
+#include <linux/mutex.h>
struct scsi_transport_template;
+struct scsi_target;
+struct scsi_device;
+struct Scsi_Host;
struct spi_transport_attrs {
int period; /* value in the PPR/SDTR command */
@@ -51,7 +55,7 @@ struct spi_transport_attrs {
unsigned int support_qas; /* supports quick arbitration and selection */
/* Private Fields */
unsigned int dv_pending:1; /* Internal flag */
- struct semaphore dv_sem; /* semaphore to serialise dv */
+ struct mutex dv_mutex; /* semaphore to serialise dv */
};
enum spi_signal_type {
@@ -143,5 +147,6 @@ void spi_release_transport(struct scsi_transport_template *);
void spi_schedule_dv_device(struct scsi_device *);
void spi_dv_device(struct scsi_device *);
void spi_display_xfer_agreement(struct scsi_target *);
+int spi_print_msg(const unsigned char *);
#endif /* SCSI_TRANSPORT_SPI_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 03:49:22 +0000