diff options
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index d2873b732bb..f512104a1a3 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -192,6 +192,7 @@ enum { ATA_TFLAG_DEVICE = (1 << 2), /* enable r/w to device reg */ ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */ ATA_TFLAG_LBA = (1 << 4), /* enable LBA */ + ATA_TFLAG_POLLING = (1 << 5), /* set nIEN to 1 and use polling */ }; enum ata_tf_protocols { @@ -261,6 +262,8 @@ struct ata_taskfile { ((u64) (id)[(n) + 1] << 16) | \ ((u64) (id)[(n) + 0]) ) +#define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20) + static inline int ata_id_current_chs_valid(const u16 *id) { /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command @@ -290,6 +293,14 @@ 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); +} + static inline int ata_ok(u8 status) { return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR)) |