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| author | john cooper <john.cooper@redhat.com> | 2010-03-25 08:33:33 +0300 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2010-05-19 16:45:40 +0400 |
| commit | 4cb2ea28c55cf5e5ef83aec535099ffce3c583df (patch) | |
| tree | 5ec629c60a32c67946bb2ce17bf71eb282d18e47 /include/linux/virtio_blk.h | |
| parent | 537b60d17894b7c19a6060feae40299d7109d6e7 (diff) | |
| download | linux-4cb2ea28c55cf5e5ef83aec535099ffce3c583df.tar.xz | |
Add virtio disk identification support
Add virtio-blk device id (s/n) support via virtio request.
Signed-off-by: john cooper <john.cooper@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'include/linux/virtio_blk.h')
| -rw-r--r-- | include/linux/virtio_blk.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h index e52029e98919..167720d695ed 100644 --- a/include/linux/virtio_blk.h +++ b/include/linux/virtio_blk.h @@ -17,6 +17,8 @@ #define VIRTIO_BLK_F_FLUSH 9 /* Cache flush command support */ #define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */ +#define VIRTIO_BLK_ID_BYTES 20 /* ID string length */ + struct virtio_blk_config { /* The capacity (in 512-byte sectors). */ __u64 capacity; @@ -67,6 +69,9 @@ struct virtio_blk_config { /* Cache flush command */ #define VIRTIO_BLK_T_FLUSH 4 +/* Get device ID command */ +#define VIRTIO_BLK_T_GET_ID 8 + /* Barrier before this op. */ #define VIRTIO_BLK_T_BARRIER 0x80000000 |