1 files changed, 10 insertions, 4 deletions

diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index d4695a3356d..c1aef85243b 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -1,5 +1,7 @@
 #ifndef _LINUX_VIRTIO_BLK_H
 #define _LINUX_VIRTIO_BLK_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
 #include <linux/virtio_config.h>
 
 /* The ID for virtio_block */
@@ -10,21 +12,25 @@
 #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  */
+#define VIRTIO_BLK_F_RO         5       /* Disk is read-only */
+#define VIRTIO_BLK_F_BLK_SIZE   6       /* Block size of disk is available*/
 
 struct virtio_blk_config
 {
         /* The capacity (in 512-byte sectors). */
-        __le64 capacity;
+        __u64 capacity;
         /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
-        __le32 size_max;
+        __u32 size_max;
         /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
-        __le32 seg_max;
+        __u32 seg_max;
         /* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */
         struct virtio_blk_geometry {
-                __le16 cylinders;
+                __u16 cylinders;
                 __u8 heads;
                 __u8 sectors;
         } geometry;
+        /* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
+        __u32 blk_size;
 } __attribute__((packed));
 
 /* These two define direction. */