diff options
Diffstat (limited to 'include/linux/virtio_blk.h')
| -rw-r--r-- | include/linux/virtio_blk.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h index c75a9e82b924..d4695a3356d0 100644 --- a/include/linux/virtio_blk.h +++ b/include/linux/virtio_blk.h @@ -9,6 +9,7 @@ #define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */ #define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment size */ #define VIRTIO_BLK_F_SEG_MAX 2 /* Indicates maximum # of segments */ +#define VIRTIO_BLK_F_GEOMETRY 4 /* Legacy geometry available */ struct virtio_blk_config { @@ -18,6 +19,12 @@ struct virtio_blk_config __le32 size_max; /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */ __le32 seg_max; + /* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */ + struct virtio_blk_geometry { + __le16 cylinders; + __u8 heads; + __u8 sectors; + } geometry; } __attribute__((packed)); /* These two define direction. */ |