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Merge branch 'irq-pio'

Browse source 
Conflicts:

	drivers/scsi/libata-core.c
	include/linux/libata.h
This commit is contained in:
Tejun Heo 2006-05-15 20:59:15 +09:00
commit 12436c30f4
11 changed files with 550 additions and 348 deletions
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12
include/linux/ata.h
View file

@ -212,6 +212,7 @@ enum {
ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */
ATA_TFLAG_LBA = (1 << 4), /* enable LBA */
ATA_TFLAG_FUA = (1 << 5), /* enable FUA */
ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */
};
enum ata_tf_protocols {
@ -285,6 +286,8 @@ struct ata_taskfile {
((u64) (id)[(n) + 1] << 16) | \
((u64) (id)[(n) + 0]) )
#define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20)
static inline unsigned int ata_id_major_version(const u16 *id)
{
unsigned int mver;
@ -324,6 +327,15 @@ static inline int is_atapi_taskfile(const struct ata_taskfile *tf)
(tf->protocol == ATA_PROT_ATAPI_DMA);
}
static inline int is_multi_taskfile(struct ata_taskfile *tf)
{
return (tf->command == ATA_CMD_READ_MULTI) ||
(tf->command == ATA_CMD_WRITE_MULTI) ||
(tf->command == ATA_CMD_READ_MULTI_EXT) ||
(tf->command == ATA_CMD_WRITE_MULTI_EXT) ||
(tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT);
}
static inline int ata_ok(u8 status)
{
return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))

24
include/linux/libata.h
View file

@ -124,6 +124,7 @@ enum {
/* struct ata_device stuff */
ATA_DFLAG_LBA = (1 << 0), /* device supports LBA */
ATA_DFLAG_LBA48 = (1 << 1), /* device supports LBA48 */
ATA_DFLAG_CDB_INTR = (1 << 2), /* device asserts INTRQ when ready for CDB */
ATA_DFLAG_CFG_MASK = (1 << 8) - 1,
ATA_DFLAG_PIO = (1 << 8), /* device currently in PIO mode */
@ -147,9 +148,9 @@ enum {
ATA_FLAG_PIO_DMA = (1 << 7), /* PIO cmds via DMA */
ATA_FLAG_PIO_LBA48 = (1 << 8), /* Host DMA engine is LBA28 only */
ATA_FLAG_IRQ_MASK = (1 << 9), /* Mask IRQ in PIO xfers */
ATA_FLAG_PIO_POLLING = (1 << 10), /* use polling PIO if LLD
* doesn't handle PIO interrupts */
ATA_FLAG_NOINTR = (1 << 13), /* FIXME: Remove this once
* proper HSM is in place. */
ATA_FLAG_DEBUGMSG = (1 << 14),
ATA_FLAG_FLUSH_PORT_TASK = (1 << 15), /* flush port task */
@ -178,11 +179,8 @@ enum {
ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host_set only */
/* various lengths of time */
ATA_TMOUT_PIO = 30 * HZ,
ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */
ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */
ATA_TMOUT_CDB = 30 * HZ,
ATA_TMOUT_CDB_QUICK = 5 * HZ,
ATA_TMOUT_INTERNAL = 30 * HZ,
ATA_TMOUT_INTERNAL_QUICK = 5 * HZ,
@ -252,14 +250,13 @@ enum {
};
enum hsm_task_states {
HSM_ST_UNKNOWN,
HSM_ST_IDLE,
HSM_ST_POLL,
HSM_ST_TMOUT,
HSM_ST,
HSM_ST_LAST,
HSM_ST_LAST_POLL,
HSM_ST_ERR,
HSM_ST_UNKNOWN, /* state unknown */
HSM_ST_IDLE, /* no command on going */
HSM_ST, /* (waiting the device to) transfer data */
HSM_ST_LAST, /* (waiting the device to) complete command */
HSM_ST_ERR, /* error */
HSM_ST_FIRST, /* (waiting the device to)
write CDB or first data block */
};
enum ata_completion_errors {
@ -485,7 +482,6 @@ struct ata_port {
struct work_struct port_task;
unsigned int hsm_task_state;
unsigned long pio_task_timeout;
u32 msg_enable;
struct list_head eh_done_q;