libata: Implement control mode page to select sense format
Implement MODE SELECT for the control mode page to allow the OS
to switch to descriptor sense.
tj: Dropped s/sb/cmd->sense_buffer/ in ata_gen_ata_sense(). Added
@dev description to ata_msense_ctl_mode().
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 2c4ebef..a418bca 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -180,6 +180,7 @@
ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */
ATA_DFLAG_DEVSLP = (1 << 27), /* device supports Device Sleep */
ATA_DFLAG_ACPI_DISABLED = (1 << 28), /* ACPI for the device is disabled */
+ ATA_DFLAG_D_SENSE = (1 << 29), /* Descriptor sense requested */
ATA_DEV_UNKNOWN = 0, /* unknown device */
ATA_DEV_ATA = 1, /* ATA device */