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| author | Steve French <sfrench@us.ibm.com> | 2008-05-06 21:55:32 +0400 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-05-06 21:55:32 +0400 |
| commit | a815752ac0ffdb910e92958d41d28f4fb28e5296 (patch) | |
| tree | a3aa16a282354da0debe8e3a3a7ed8aac6e54001 /include/linux/virtio_blk.h | |
| parent | 5ade9deaaa3e1f7291467d97b238648e43eae15e (diff) | |
| parent | a15306365a16380f3bafee9e181ba01231d4acd7 (diff) | |
| download | linux-a815752ac0ffdb910e92958d41d28f4fb28e5296.tar.xz | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/virtio_blk.h')
| -rw-r--r-- | include/linux/virtio_blk.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h index bca0b10d7947..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. */ @@ -41,13 +48,8 @@ struct virtio_blk_outhdr __u64 sector; }; +/* And this is the final byte of the write scatter-gather list. */ #define VIRTIO_BLK_S_OK 0 #define VIRTIO_BLK_S_IOERR 1 #define VIRTIO_BLK_S_UNSUPP 2 - -/* This is the first element of the write scatter-gather list */ -struct virtio_blk_inhdr -{ - unsigned char status; -}; #endif /* _LINUX_VIRTIO_BLK_H */ |