diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/virtio_blk.h | 10 | ||||
| -rw-r--r-- | include/linux/virtio_ids.h | 2 |
2 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h index e0edb40ca7a..6d8e61c4856 100644 --- a/include/linux/virtio_blk.h +++ b/include/linux/virtio_blk.h @@ -37,8 +37,14 @@ #define VIRTIO_BLK_F_RO 5 /* Disk is read-only */ #define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available*/ #define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */ -#define VIRTIO_BLK_F_FLUSH 9 /* Cache flush command support */ +#define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */ #define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */ +#define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ + +#ifndef __KERNEL__ +/* Old (deprecated) name for VIRTIO_BLK_F_WCE. */ +#define VIRTIO_BLK_F_FLUSH VIRTIO_BLK_F_WCE +#endif #define VIRTIO_BLK_ID_BYTES 20 /* ID string length */ @@ -69,6 +75,8 @@ struct virtio_blk_config { /* optimal sustained I/O size in logical blocks. */ __u32 opt_io_size; + /* writeback mode (if VIRTIO_BLK_F_CONFIG_WCE) */ + __u8 wce; } __attribute__((packed)); /* diff --git a/include/linux/virtio_ids.h b/include/linux/virtio_ids.h index 7529b854b7f..270fb22c581 100644 --- a/include/linux/virtio_ids.h +++ b/include/linux/virtio_ids.h @@ -32,7 +32,7 @@ #define VIRTIO_ID_NET 1 /* virtio net */ #define VIRTIO_ID_BLOCK 2 /* virtio block */ #define VIRTIO_ID_CONSOLE 3 /* virtio console */ -#define VIRTIO_ID_RNG 4 /* virtio ring */ +#define VIRTIO_ID_RNG 4 /* virtio rng */ #define VIRTIO_ID_BALLOON 5 /* virtio balloon */ #define VIRTIO_ID_RPMSG 7 /* virtio remote processor messaging */ #define VIRTIO_ID_SCSI 8 /* virtio scsi */ |