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| author | Tejun Heo <htejun@gmail.com> | 2007-07-01 14:05:58 +0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-07-11 05:46:03 +0400 |
| commit | 814600ee10d3c056ada315cdbdc2ebe48f54c75a (patch) | |
| tree | 0d83d136e891ad1bbec738572ef37390c00e7e9b /include | |
| parent | fee7ca72d3dae1078031b6fd272b9930f43bd3d1 (diff) | |
| download | linux-814600ee10d3c056ada315cdbdc2ebe48f54c75a.tar.xz | |
libata-link: add PMP related ATA constants
Add Port Multiplier related ATA constants and macros. Some of these
will be used by ata_link implementation.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ata.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 407dc7e098bc..b5a20162af32 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -164,6 +164,8 @@ enum { ATA_CMD_SET_MAX = 0xF9, ATA_CMD_SET_MAX_EXT = 0x37, ATA_CMD_READ_LOG_EXT = 0x2f, + ATA_CMD_PMP_READ = 0xE4, + ATA_CMD_PMP_WRITE = 0xE8, /* READ_LOG_EXT pages */ ATA_LOG_SATA_NCQ = 0x10, @@ -212,6 +214,28 @@ enum { 0=to device, 1=to host */ ATAPI_CDB_LEN = 16, + /* PMP stuff */ + SATA_PMP_MAX_PORTS = 15, + SATA_PMP_CTRL_PORT = 15, + + SATA_PMP_GSCR_DWORDS = 128, + SATA_PMP_GSCR_PROD_ID = 0, + SATA_PMP_GSCR_REV = 1, + SATA_PMP_GSCR_PORT_INFO = 2, + SATA_PMP_GSCR_ERROR = 32, + SATA_PMP_GSCR_ERROR_EN = 33, + SATA_PMP_GSCR_FEAT = 64, + SATA_PMP_GSCR_FEAT_EN = 96, + + SATA_PMP_PSCR_STATUS = 0, + SATA_PMP_PSCR_ERROR = 1, + SATA_PMP_PSCR_CONTROL = 2, + + SATA_PMP_FEAT_BIST = (1 << 0), + SATA_PMP_FEAT_PMREQ = (1 << 1), + SATA_PMP_FEAT_DYNSSC = (1 << 2), + SATA_PMP_FEAT_NOTIFY = (1 << 3), + /* cable types */ ATA_CBL_NONE = 0, ATA_CBL_PATA40 = 1, @@ -418,4 +442,9 @@ static inline int lba_48_ok(u64 block, u32 n_block) return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536); } +#define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff) +#define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16) +#define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >> 8) & 0xff) +#define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf) + #endif /* __LINUX_ATA_H__ */ |