diff options
| author | Shane Huang <shane.huang@amd.com> | 2012-09-07 22:38:20 +0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-09-13 01:07:27 -0400 |
| commit | 583661a89ed2e484bd295e7b4606099340478c38 (patch) | |
| tree | 1fd13a7c23df5794e9ddc572739e38619e4c54a9 /include/linux/ata.h | |
| parent | 9973a1c306a01804c41ab34166f1320c9f209038 (diff) | |
ata: define enum constants for IDENTIFY DEVICE
Define enumeration constants for IDENTIFY DEVICE words.
Signed-off-by: Shane Huang <shane.huang@amd.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 5713d3ac381a..47a9dbf02159 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -77,6 +77,9 @@ enum { ATA_ID_EIDE_PIO_IORDY = 68, ATA_ID_ADDITIONAL_SUPP = 69, ATA_ID_QUEUE_DEPTH = 75, + ATA_ID_SATA_CAPABILITY = 76, + ATA_ID_SATA_CAPABILITY_2 = 77, + ATA_ID_FEATURE_SUPP = 78, ATA_ID_MAJOR_VER = 80, ATA_ID_COMMAND_SET_1 = 82, ATA_ID_COMMAND_SET_2 = 83, @@ -558,15 +561,17 @@ static inline int ata_is_data(u8 prot) #define ata_id_is_ata(id) (((id)[ATA_ID_CONFIG] & (1 << 15)) == 0) #define ata_id_has_lba(id) ((id)[ATA_ID_CAPABILITY] & (1 << 9)) #define ata_id_has_dma(id) ((id)[ATA_ID_CAPABILITY] & (1 << 8)) -#define ata_id_has_ncq(id) ((id)[76] & (1 << 8)) +#define ata_id_has_ncq(id) ((id)[ATA_ID_SATA_CAPABILITY] & (1 << 8)) #define ata_id_queue_depth(id) (((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1) #define ata_id_removeable(id) ((id)[ATA_ID_CONFIG] & (1 << 7)) #define ata_id_has_atapi_AN(id) \ - ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \ - ((id)[78] & (1 << 5)) ) + ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ + ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ + ((id)[ATA_ID_FEATURE_SUPP] & (1 << 5))) #define ata_id_has_fpdma_aa(id) \ - ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \ - ((id)[78] & (1 << 2)) ) + ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ + ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ + ((id)[ATA_ID_FEATURE_SUPP] & (1 << 2))) #define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10)) #define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11)) #define ata_id_u32(id,n) \ @@ -578,11 +583,11 @@ static inline int ata_is_data(u8 prot) ((u64) (id)[(n) + 0]) ) #define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20) -#define ata_id_has_da(id) ((id)[77] & (1 << 4)) +#define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4)) static inline bool ata_id_has_hipm(const u16 *id) { - u16 val = id[76]; + u16 val = id[ATA_ID_SATA_CAPABILITY]; if (val == 0 || val == 0xffff) return false; @@ -592,7 +597,7 @@ static inline bool ata_id_has_hipm(const u16 *id) static inline bool ata_id_has_dipm(const u16 *id) { - u16 val = id[78]; + u16 val = id[ATA_ID_FEATURE_SUPP]; if (val == 0 || val == 0xffff) return false; |