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-rw-r--r--include/linux/virtio_blk.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index d4695a3356d0..5f79a5f9de79 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -10,18 +10,19 @@
10#define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment size */ 10#define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment size */
11#define VIRTIO_BLK_F_SEG_MAX 2 /* Indicates maximum # of segments */ 11#define VIRTIO_BLK_F_SEG_MAX 2 /* Indicates maximum # of segments */
12#define VIRTIO_BLK_F_GEOMETRY 4 /* Legacy geometry available */ 12#define VIRTIO_BLK_F_GEOMETRY 4 /* Legacy geometry available */
13#define VIRTIO_BLK_F_RO 5 /* Disk is read-only */
13 14
14struct virtio_blk_config 15struct virtio_blk_config
15{ 16{
16 /* The capacity (in 512-byte sectors). */ 17 /* The capacity (in 512-byte sectors). */
17 __le64 capacity; 18 __u64 capacity;
18 /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */ 19 /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
19 __le32 size_max; 20 __u32 size_max;
20 /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */ 21 /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
21 __le32 seg_max; 22 __u32 seg_max;
22 /* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */ 23 /* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */
23 struct virtio_blk_geometry { 24 struct virtio_blk_geometry {
24 __le16 cylinders; 25 __u16 cylinders;
25 __u8 heads; 26 __u8 heads;
26 __u8 sectors; 27 __u8 sectors;
27 } geometry; 28 } geometry;