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authorHannes Reinecke <hare@suse.de>2015-03-27 18:46:36 +0300
committerTejun Heo <tj@kernel.org>2015-03-27 18:59:22 +0300
commitfe7173c206de63fc28475ee6ae42ff95c05692de (patch)
treedb025adb8d7ee04592640035537add3f7c8dbe4d /include/linux/ata.h
parent42b966fbf35da9c87f08d98f9b8978edf9e717cf (diff)
downloadlinux-fe7173c206de63fc28475ee6ae42ff95c05692de.tar.xz
libata: Implement support for sense data reporting
ACS-4 defines a sense data reporting feature set. This patch implements support for it. 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.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 0c65526e9295..b666b773e111 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -94,6 +94,8 @@ enum {
ATA_ID_SECTOR_SIZE = 106,
ATA_ID_WWN = 108,
ATA_ID_LOGICAL_SECTOR_SIZE = 117, /* and 118 */
+ ATA_ID_COMMAND_SET_3 = 119,
+ ATA_ID_COMMAND_SET_4 = 120,
ATA_ID_LAST_LUN = 126,
ATA_ID_DLF = 128,
ATA_ID_CSFO = 129,
@@ -382,6 +384,8 @@ enum {
SATA_SSP = 0x06, /* Software Settings Preservation */
SATA_DEVSLP = 0x09, /* Device Sleep */
+ SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */
+
/* feature values for SET_MAX */
ATA_SET_MAX_ADDR = 0x00,
ATA_SET_MAX_PASSWD = 0x01,
@@ -705,6 +709,20 @@ static inline bool ata_id_has_read_log_dma_ext(const u16 *id)
return id[ATA_ID_COMMAND_SET_3] & (1 << 3);
}
+static inline bool ata_id_has_sense_reporting(const u16 *id)
+{
+ if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15)))
+ return false;
+ return id[ATA_ID_COMMAND_SET_3] & (1 << 6);
+}
+
+static inline bool ata_id_sense_reporting_enabled(const u16 *id)
+{
+ if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15)))
+ return false;
+ return id[ATA_ID_COMMAND_SET_4] & (1 << 6);
+}
+
/**
* ata_id_major_version - get ATA level of drive
* @id: Identify data