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authorShane Huang <shane.huang@amd.com>2012-09-07 22:38:20 +0800
committerJeff Garzik <jgarzik@redhat.com>2012-09-13 01:07:27 -0400
commit583661a89ed2e484bd295e7b4606099340478c38 (patch)
tree1fd13a7c23df5794e9ddc572739e38619e4c54a9
parent9973a1c306a01804c41ab34166f1320c9f209038 (diff)
downloadlinux-linaro-stable-583661a89ed2e484bd295e7b4606099340478c38.tar.gz
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>
-rw-r--r--include/linux/ata.h21
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;