libata: Implement ATA_DEV_ZAC

Add new ATA device type for ZAC devices.

Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index bd5fefeaf548..a26daea7f5eb 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -191,7 +191,8 @@ enum {
         ATA_DEV_PMP_UNSUP       = 6,    /* SATA port multiplier (unsupported) */
         ATA_DEV_SEMB            = 7,    /* SEMB */
         ATA_DEV_SEMB_UNSUP      = 8,    /* SEMB (unsupported) */
-        ATA_DEV_NONE            = 9,    /* no device */
+        ATA_DEV_ZAC             = 9,    /* ZAC device */
+        ATA_DEV_NONE            = 10,   /* no device */
 
         /* struct ata_link flags */
         ATA_LFLAG_NO_HRST       = (1 << 1), /* avoid hardreset */
@@ -1491,7 +1492,8 @@ static inline unsigned int ata_tag_internal(unsigned int tag)
 static inline unsigned int ata_class_enabled(unsigned int class)
 {
         return class == ATA_DEV_ATA || class == ATA_DEV_ATAPI ||
-                class == ATA_DEV_PMP || class == ATA_DEV_SEMB;
+                class == ATA_DEV_PMP || class == ATA_DEV_SEMB ||
+                class == ATA_DEV_ZAC;
 }
 
 static inline unsigned int ata_class_disabled(unsigned int class)