diff options
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 86 |
1 files changed, 65 insertions, 21 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 19ab2580405..85d448b4abe 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -555,7 +555,7 @@ typedef struct ide_drive_s { char name[4]; /* drive name, such as "hda" */ char driver_req[10]; /* requests specific driver */ - request_queue_t *queue; /* request queue */ + struct request_queue *queue; /* request queue */ struct request *rq; /* current request */ struct ide_drive_s *next; /* circular list of hwgroup drives */ @@ -634,7 +634,7 @@ typedef struct ide_drive_s { unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */ unsigned int cyl; /* "real" number of cyls */ - unsigned int drive_data; /* use by tuneproc/selectproc */ + unsigned int drive_data; /* used by set_pio_mode/selectproc */ unsigned int failures; /* current failure count */ unsigned int max_failures; /* maximum allowed failure count */ u64 probed_capacity;/* initial reported media capacity (ide-cd only currently) */ @@ -681,6 +681,10 @@ typedef struct hwif_s { u8 straight8; /* Alan's straight 8 check */ u8 bus_state; /* power state of the IDE bus */ + u8 host_flags; + + u8 pio_mask; + u8 atapi_dma; /* host supports atapi_dma */ u8 ultra_mask; u8 mwdma_mask; @@ -698,10 +702,10 @@ typedef struct hwif_s { #if 0 ide_hwif_ops_t *hwifops; #else - /* routine to tune PIO mode for drives */ - void (*tuneproc)(ide_drive_t *, u8); + /* routine to set PIO mode for drives */ + void (*set_pio_mode)(ide_drive_t *, const u8); /* routine to retune DMA modes for drives */ - int (*speedproc)(ide_drive_t *, u8); + int (*speedproc)(ide_drive_t *, const u8); /* tweaks hardware to select drive */ void (*selectproc)(ide_drive_t *); /* chipset polling based on hba specifics */ @@ -719,6 +723,7 @@ typedef struct hwif_s { /* driver soft-power interface */ int (*busproc)(ide_drive_t *, int); #endif + u8 (*mdma_filter)(ide_drive_t *); u8 (*udma_filter)(ide_drive_t *); void (*ata_input_data)(ide_drive_t *, void *, u32); @@ -1202,7 +1207,7 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout); extern int ide_spin_wait_hwgroup(ide_drive_t *); extern void ide_timer_expiry(unsigned long); extern irqreturn_t ide_intr(int irq, void *dev_id); -extern void do_ide_request(request_queue_t *); +extern void do_ide_request(struct request_queue *); void ide_init_disk(struct gendisk *, ide_drive_t *); @@ -1244,7 +1249,19 @@ typedef struct ide_pci_enablebit_s { enum { /* Uses ISA control ports not PCI ones. */ - IDEPCI_FLAG_ISA_PORTS = (1 << 0), + IDE_HFLAG_ISA_PORTS = (1 << 0), + /* single port device */ + IDE_HFLAG_SINGLE = (1 << 1), + /* don't use legacy PIO blacklist */ + IDE_HFLAG_PIO_NO_BLACKLIST = (1 << 2), + /* don't use conservative PIO "downgrade" */ + IDE_HFLAG_PIO_NO_DOWNGRADE = (1 << 3), + /* use PIO8/9 for prefetch off/on */ + IDE_HFLAG_ABUSE_PREFETCH = (1 << 4), + /* use PIO6/7 for fast-devsel off/on */ + IDE_HFLAG_ABUSE_FAST_DEVSEL = (1 << 5), + /* use 100-102 and 200-202 PIO values to set DMA modes */ + IDE_HFLAG_ABUSE_DMA_MODES = (1 << 6), }; typedef struct ide_pci_device_s { @@ -1256,13 +1273,13 @@ typedef struct ide_pci_device_s { void (*init_hwif)(ide_hwif_t *); void (*init_dma)(ide_hwif_t *, unsigned long); void (*fixup)(ide_hwif_t *); - u8 channels; u8 autodma; ide_pci_enablebit_t enablebits[2]; u8 bootable; unsigned int extra; struct ide_pci_device_s *next; - u8 flags; + u8 host_flags; + u8 pio_mask; u8 udma_mask; } ide_pci_device_t; @@ -1275,16 +1292,24 @@ void ide_init_sg_cmd(ide_drive_t *, struct request *); #define BAD_DMA_DRIVE 0 #define GOOD_DMA_DRIVE 1 -#ifdef CONFIG_BLK_DEV_IDEDMA struct drive_list_entry { const char *id_model; const char *id_firmware; }; int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *); + +#ifdef CONFIG_BLK_DEV_IDEDMA int __ide_dma_bad_drive(ide_drive_t *); int __ide_dma_good_drive(ide_drive_t *); -u8 ide_max_dma_mode(ide_drive_t *); + +u8 ide_find_dma_mode(ide_drive_t *, u8); + +static inline u8 ide_max_dma_mode(ide_drive_t *drive) +{ + return ide_find_dma_mode(drive, XFER_UDMA_6); +} + int ide_tune_dma(ide_drive_t *); void ide_dma_off(ide_drive_t *); void ide_dma_verbose(ide_drive_t *); @@ -1302,7 +1327,6 @@ void ide_dma_host_off(ide_drive_t *); void ide_dma_off_quietly(ide_drive_t *); void ide_dma_host_on(ide_drive_t *); extern int __ide_dma_on(ide_drive_t *); -extern int __ide_dma_check(ide_drive_t *); extern int ide_dma_setup(ide_drive_t *); extern void ide_dma_start(ide_drive_t *); extern int __ide_dma_end(ide_drive_t *); @@ -1311,6 +1335,7 @@ extern void ide_dma_timeout(ide_drive_t *); #endif /* CONFIG_BLK_DEV_IDEDMA_PCI */ #else +static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; } static inline int ide_tune_dma(ide_drive_t *drive) { return 0; } static inline void ide_dma_off(ide_drive_t *drive) { ; } @@ -1327,11 +1352,13 @@ extern int ide_acpi_exec_tfs(ide_drive_t *drive); extern void ide_acpi_get_timing(ide_hwif_t *hwif); extern void ide_acpi_push_timing(ide_hwif_t *hwif); extern void ide_acpi_init(ide_hwif_t *hwif); +extern void ide_acpi_set_state(ide_hwif_t *hwif, int on); #else static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; } static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; } static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; } static inline void ide_acpi_init(ide_hwif_t *hwif) { ; } +static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {} #endif extern int ide_hwif_request_regions(ide_hwif_t *hwif); @@ -1357,12 +1384,29 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data) } /* ide-lib.c */ -u8 ide_rate_filter(ide_drive_t *, u8); extern char *ide_xfer_verbose(u8 xfer_rate); extern void ide_toggle_bounce(ide_drive_t *drive, int on); extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); int ide_use_fast_pio(ide_drive_t *); +static inline int ide_dev_has_iordy(struct hd_driveid *id) +{ + return ((id->field_valid & 2) && (id->capability & 8)) ? 1 : 0; +} + +static inline int ide_dev_is_sata(struct hd_driveid *id) +{ + /* + * See if word 93 is 0 AND drive is at least ATA-5 compatible + * verifying that word 80 by casting it to a signed type -- + * this trick allows us to filter out the reserved values of + * 0x0000 and 0xffff along with the earlier ATA revisions... + */ + if (id->hw_config == 0 && (short)id->major_rev_num >= 0x0020) + return 1; + return 0; +} + u8 ide_dump_status(ide_drive_t *, const char *, u8); typedef struct ide_pio_timings_s { @@ -1372,16 +1416,16 @@ typedef struct ide_pio_timings_s { /* active + recovery (+ setup for some chips) */ } ide_pio_timings_t; -typedef struct ide_pio_data_s { - u8 pio_mode; - u8 use_iordy; - u8 overridden; - unsigned int cycle_time; -} ide_pio_data_t; - -extern u8 ide_get_best_pio_mode (ide_drive_t *drive, u8 mode_wanted, u8 max_mode, ide_pio_data_t *d); +unsigned int ide_pio_cycle_time(ide_drive_t *, u8); +u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8); extern const ide_pio_timings_t ide_pio_timings[6]; +void ide_set_pio(ide_drive_t *, u8); + +static inline void ide_set_max_pio(ide_drive_t *drive) +{ + ide_set_pio(drive, 255); +} extern spinlock_t ide_lock; extern struct mutex ide_cfg_mtx; |