#define ERROR_RESET 3 /* Reset controller every 4th retry */
#define ERROR_RECAL 1 /* Recalibrate every 2nd retry */
-/*
- * state flags
- */
-
-#define DMA_PIO_RETRY 1 /* retrying in PIO */
-
#define HWIF(drive) ((ide_hwif_t *)((drive)->hwif))
#define HWGROUP(drive) ((ide_hwgroup_t *)(HWIF(drive)->hwgroup))
IDE_AFLAG_NO_AUTOCLOSE = (1 << 29),
};
+/* device flags */
+enum {
+ /* restore settings after device reset */
+ IDE_DFLAG_KEEP_SETTINGS = (1 << 0),
+ /* device is using DMA for read/write */
+ IDE_DFLAG_USING_DMA = (1 << 1),
+ /* okay to unmask other IRQs */
+ IDE_DFLAG_UNMASK = (1 << 2),
+ /* don't attempt flushes */
+ IDE_DFLAG_NOFLUSH = (1 << 3),
+ /* DSC overlap */
+ IDE_DFLAG_DSC_OVERLAP = (1 << 4),
+ /* give potential excess bandwidth */
+ IDE_DFLAG_NICE1 = (1 << 5),
+ /* device is physically present */
+ IDE_DFLAG_PRESENT = (1 << 6),
+ /* device ejected hint */
+ IDE_DFLAG_DEAD = (1 << 7),
+ /* id read from device (synthetic if not set) */
+ IDE_DFLAG_ID_READ = (1 << 8),
+ IDE_DFLAG_NOPROBE = (1 << 9),
+ /* need to do check_media_change() */
+ IDE_DFLAG_REMOVABLE = (1 << 10),
+ /* needed for removable devices */
+ IDE_DFLAG_ATTACH = (1 << 11),
+ IDE_DFLAG_FORCED_GEOM = (1 << 12),
+ /* disallow setting unmask bit */
+ IDE_DFLAG_NO_UNMASK = (1 << 13),
+ /* disallow enabling 32-bit I/O */
+ IDE_DFLAG_NO_IO_32BIT = (1 << 14),
+ /* for removable only: door lock/unlock works */
+ IDE_DFLAG_DOORLOCKING = (1 << 15),
+ /* disallow DMA */
+ IDE_DFLAG_NODMA = (1 << 16),
+ /* powermanagment told us not to do anything, so sleep nicely */
+ IDE_DFLAG_BLOCKED = (1 << 17),
+ /* ide-scsi emulation */
+ IDE_DFLAG_SCSI = (1 << 18),
+ /* sleeping & sleep field valid */
+ IDE_DFLAG_SLEEPING = (1 << 19),
+ IDE_DFLAG_POST_RESET = (1 << 20),
+ IDE_DFLAG_UDMA33_WARNED = (1 << 21),
+ IDE_DFLAG_LBA48 = (1 << 22),
+ /* status of write cache */
+ IDE_DFLAG_WCACHE = (1 << 23),
+ /* used for ignoring ATA_DF */
+ IDE_DFLAG_NOWERR = (1 << 24),
+ /* retrying in PIO */
+ IDE_DFLAG_DMA_PIO_RETRY = (1 << 25),
+};
+
struct ide_drive_s {
char name[4]; /* drive name, such as "hda" */
char driver_req[10]; /* requests specific driver */
#endif
struct hwif_s *hwif; /* actually (ide_hwif_t *) */
+ unsigned long dev_flags;
+
unsigned long sleep; /* sleep until this time */
unsigned long service_start; /* time we started last request */
unsigned long service_time; /* service time of last request */
select_t select; /* basic drive/head select reg value */
u8 retry_pio; /* retrying dma capable host in pio */
- u8 state; /* retry state */
u8 waiting_for_dma; /* dma currently in progress */
- unsigned keep_settings : 1; /* restore settings after drive reset */
- unsigned using_dma : 1; /* disk is using dma for read/write */
- unsigned unmask : 1; /* okay to unmask other irqs */
- unsigned noflush : 1; /* don't attempt flushes */
- unsigned dsc_overlap : 1; /* DSC overlap */
- unsigned nice1 : 1; /* give potential excess bandwidth */
- unsigned present : 1; /* drive is physically present */
- unsigned dead : 1; /* device ejected hint */
- unsigned id_read : 1; /* 1=id read from disk 0 = synthetic */
- unsigned noprobe : 1; /* from: hdx=noprobe */
- unsigned removable : 1; /* 1 if need to do check_media_change */
- unsigned attach : 1; /* needed for removable devices */
- unsigned forced_geom : 1; /* 1 if hdx=c,h,s was given at boot */
- unsigned no_unmask : 1; /* disallow setting unmask bit */
- unsigned no_io_32bit : 1; /* disallow enabling 32bit I/O */
- unsigned doorlocking : 1; /* for removable only: door lock/unlock works */
- unsigned nodma : 1; /* disallow DMA */
- unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */
- unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */
- unsigned sleeping : 1; /* 1=sleeping & sleep field valid */
- unsigned post_reset : 1;
- unsigned udma33_warned : 1;
- unsigned addressing : 2; /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */
- unsigned wcache : 1; /* status of write cache */
- unsigned nowerr : 1; /* used for ignoring ATA_DF */
-
u8 quirk_list; /* considered quirky, set for a specific host */
u8 init_speed; /* transfer rate set at boot */
u8 current_speed; /* current transfer rate set */
u8 bios_head; /* BIOS/fdisk/LILO number of heads */
u8 bios_sect; /* BIOS/fdisk/LILO sectors per track */
+ /* delay this long before sending packet command */
+ u8 pc_delay;
+
unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */
unsigned int cyl; /* "real" number of cyls */
unsigned int drive_data; /* used by set_pio_mode/selectproc */
int lun; /* logical unit */
int crc_count; /* crc counter to reduce drive speed */
+
+ unsigned long debug_mask; /* debugging levels switch */
+
#ifdef CONFIG_BLK_DEV_IDEACPI
struct ide_acpi_drive_link *acpidata;
#endif
typedef struct ide_drive_s ide_drive_t;
-#define to_ide_device(dev)container_of(dev, ide_drive_t, gendev)
+#define to_ide_device(dev) container_of(dev, ide_drive_t, gendev)
+
+#define to_ide_drv(obj, cont_type) \
+ container_of(obj, struct cont_type, kref)
+
+#define ide_drv_g(disk, cont_type) \
+ container_of((disk)->private_data, struct cont_type, driver)
struct ide_task_s;
struct ide_port_info;
void *hwif_data; /* extra hwif data */
- unsigned dma;
-
#ifdef CONFIG_BLK_DEV_IDEACPI
struct ide_acpi_hwif_link *acpidata;
#endif
return 0; \
}
+#define ide_devset_get_flag(name, flag) \
+static int get_##name(ide_drive_t *drive) \
+{ \
+ return !!(drive->dev_flags & flag); \
+}
+
+#define ide_devset_set_flag(name, flag) \
+static int set_##name(ide_drive_t *drive, int arg) \
+{ \
+ if (arg) \
+ drive->dev_flags |= flag; \
+ else \
+ drive->dev_flags &= ~flag; \
+ return 0; \
+}
+
#define __IDE_DEVSET(_name, _flags, _get, _set) \
const struct ide_devset ide_devset_##_name = \
__DEVSET(_flags, _get, _set)
ide_devset_set(_name, _field); \
IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
+#define ide_devset_rw_flag(_name, _field) \
+ide_devset_get_flag(_name, _field); \
+ide_devset_set_flag(_name, _field); \
+IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
+
struct ide_proc_devset {
const char *name;
const struct ide_devset *setting;
#define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0;
#endif
+enum {
+ /* enter/exit functions */
+ IDE_DBG_FUNC = (1 << 0),
+ /* sense key/asc handling */
+ IDE_DBG_SENSE = (1 << 1),
+ /* packet commands handling */
+ IDE_DBG_PC = (1 << 2),
+ /* request handling */
+ IDE_DBG_RQ = (1 << 3),
+ /* driver probing/setup */
+ IDE_DBG_PROBE = (1 << 4),
+};
+
+/* DRV_NAME has to be defined in the driver before using the macro below */
+#define __ide_debug_log(lvl, fmt, args...) \
+{ \
+ if (unlikely(drive->debug_mask & lvl)) \
+ printk(KERN_INFO DRV_NAME ": " fmt, ## args); \
+}
+
/*
* Power Management step value (rq->pm->pm_step).
*
*/
struct ide_driver_s {
const char *version;
- u8 media;
ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t);
int (*end_request)(ide_drive_t *, int, int);
ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8);
int ide_scsi_expiry(ide_drive_t *);
-ide_startstop_t ide_transfer_pc(ide_drive_t *, unsigned int, ide_expiry_t *);
-ide_startstop_t ide_issue_pc(ide_drive_t *,
- ide_handler_t *, unsigned int, ide_expiry_t *);
+ide_startstop_t ide_issue_pc(ide_drive_t *, unsigned int, ide_expiry_t *);
ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
{
ide_drive_t *peer = &drive->hwif->drives[(drive->dn ^ 1) & 1];
- return peer->present ? peer : NULL;
+ return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
}
#endif /* _IDE_H */
projects / linux-2.6-omap-h63xx.git / blobdiff