diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-07-16 22:16:43 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-07-18 20:55:38 -0400 |
| commit | 37f92d77dc45d1fb74eff8501f26e72a3dcaa3cf (patch) | |
| tree | 329727c34d87d22f1abfdd864ae8efce190fd340 /include/linux/ata.h | |
| parent | d6e50e379eb1e7f2426eac61a1bbbf6e4cf68905 (diff) | |
ata: define ATA_PROT_* in terms of ATA_PROT_FLAG_*
This avoid the need to always translate between the two in ata_prot_flags
and generally cleans up the taskfile protocol usage.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 5b67ff407ec2..adbc812c009b 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -523,17 +523,23 @@ enum { SERR_DEV_XCHG = (1 << 26), /* device exchanged */ }; -enum ata_tf_protocols { - /* ATA taskfile protocols */ - ATA_PROT_UNKNOWN, /* unknown/invalid */ - ATA_PROT_NODATA, /* no data */ - ATA_PROT_PIO, /* PIO data xfer */ - ATA_PROT_DMA, /* DMA */ - ATA_PROT_NCQ, /* NCQ */ - ATA_PROT_NCQ_NODATA, /* NCQ no data */ - ATAPI_PROT_NODATA, /* packet command, no data */ - ATAPI_PROT_PIO, /* packet command, PIO data xfer*/ - ATAPI_PROT_DMA, /* packet command with special DMA sauce */ +enum ata_prot_flags { + /* protocol flags */ + ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */ + ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */ + ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */ + ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */ + + /* taskfile protocols */ + ATA_PROT_UNKNOWN = (u8)-1, + ATA_PROT_NODATA = 0, + ATA_PROT_PIO = ATA_PROT_FLAG_PIO, + ATA_PROT_DMA = ATA_PROT_FLAG_DMA, + ATA_PROT_NCQ_NODATA = ATA_PROT_FLAG_NCQ, + ATA_PROT_NCQ = ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ, + ATAPI_PROT_NODATA = ATA_PROT_FLAG_ATAPI, + ATAPI_PROT_PIO = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO, + ATAPI_PROT_DMA = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA, }; enum ata_ioctls { |