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| author | Hannes Reinecke <hare@suse.de> | 2015-03-27 16:46:36 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2015-03-27 11:59:22 -0400 |
| commit | fe7173c206de63fc28475ee6ae42ff95c05692de (patch) | |
| tree | db025adb8d7ee04592640035537add3f7c8dbe4d /include/linux/ata.h | |
| parent | 42b966fbf35da9c87f08d98f9b8978edf9e717cf (diff) | |
| download | lwn-fe7173c206de63fc28475ee6ae42ff95c05692de.tar.gz lwn-fe7173c206de63fc28475ee6ae42ff95c05692de.zip | |
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.h | 18 |
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 |