docbook: make a networking book and fix a few errors

[linux-2.6-omap-h63xx.git] / include / linux / virtio_blk.h

diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index 7bd2bce0cfd964f2c4c5fe5bffa72977bc37fd2b..bca0b10d79470056cc6456101ef45454f813149f 100644 (file)
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -6,15 +6,19 @@
 #define VIRTIO_ID_BLOCK        2
 
 /* Feature bits */
-#define VIRTIO_CONFIG_BLK_F    0x40
-#define VIRTIO_BLK_F_BARRIER   1       /* Does host support barriers? */
+#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 */
 
-/* The capacity (in 512-byte sectors). */
-#define VIRTIO_CONFIG_BLK_F_CAPACITY   0x41
-/* The maximum segment size. */
-#define VIRTIO_CONFIG_BLK_F_SIZE_MAX   0x42
-/* The maximum number of segments. */
-#define VIRTIO_CONFIG_BLK_F_SEG_MAX    0x43
+struct virtio_blk_config
+{
+       /* The capacity (in 512-byte sectors). */
+       __le64 capacity;
+       /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
+       __le32 size_max;
+       /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
+       __le32 seg_max;
+} __attribute__((packed));
 
 /* These two define direction. */
 #define VIRTIO_BLK_T_IN                0
@@ -35,8 +39,6 @@ struct virtio_blk_outhdr
        __u32 ioprio;
        /* Sector (ie. 512 byte offset) */
        __u64 sector;
-       /* Where to put reply. */
-       __u64 id;
 };
 
 #define VIRTIO_BLK_S_OK                0