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authorHannes Reinecke <hare@suse.de>2016-04-04 12:43:54 +0300
committerTejun Heo <tj@kernel.org>2016-04-04 19:07:40 +0300
commit5b01e4b9efa0b78672cbbea830c9fbcc7f239e29 (patch)
tree86eab8729d8327160e5c632befcea455a6e3bd32 /include
parentd991c872ac7ffaacc4df93efbfbcb4189cee6440 (diff)
downloadlinux-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')
-rw-r--r--include/linux/ata.h2
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)
{