diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ata.h | 12 | ||||
| -rw-r--r-- | include/linux/libata.h | 24 |
2 files changed, 22 insertions, 14 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index a7c41f3df8f..1cbeb434af9 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -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)) diff --git a/include/linux/libata.h b/include/linux/libata.h index 6ccacbf889e..db17723e23f 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -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; |