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| author | Hannes Reinecke <hare@suse.de> | 2016-04-04 12:43:54 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-04-04 19:07:40 +0300 |
| commit | 5b01e4b9efa0b78672cbbea830c9fbcc7f239e29 (patch) | |
| tree | 86eab8729d8327160e5c632befcea455a6e3bd32 /include/linux/ata.h | |
| parent | d991c872ac7ffaacc4df93efbfbcb4189cee6440 (diff) | |
| download | linux-5b01e4b9efa0b78672cbbea830c9fbcc7f239e29.tar.xz | |
libata: Implement NCQ autosense
Some newer devices support NCQ autosense (cf ACS-4), so we should
be using it to retrieve the sense code and speed up recovery.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index c1a2f345cbe6..e797e1b53006 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -528,6 +528,8 @@ struct ata_bmdma_prd { #define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20) #define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4)) #define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)) +#define ata_id_has_ncq_autosense(id) \ + ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)) static inline bool ata_id_has_hipm(const u16 *id) { |