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virtio_blk: correct tags for config space fields 

Tag config space fields as having virtio endian-ness.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2020-07-10 07:17:13 -04:00
parent c73cb10cc4
commit 40e04c488b
1 changed files with 13 additions and 13 deletions
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26
include/uapi/linux/virtio_blk.h
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@ -57,20 +57,20 @@
struct virtio_blk_config { struct virtio_blk_config {
/* The capacity (in 512-byte sectors). */ /* The capacity (in 512-byte sectors). */
__u64 capacity; __virtio64 capacity;
/* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */ /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
__u32 size_max; __virtio32 size_max;
/* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */ /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
__u32 seg_max; __virtio32 seg_max;
/* geometry of the device (if VIRTIO_BLK_F_GEOMETRY) */ /* geometry of the device (if VIRTIO_BLK_F_GEOMETRY) */
struct virtio_blk_geometry { struct virtio_blk_geometry {
__u16 cylinders; __virtio16 cylinders;
__u8 heads; __u8 heads;
__u8 sectors; __u8 sectors;
} geometry; } geometry;
/* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */ /* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
__u32 blk_size; __virtio32 blk_size;
/* the next 4 entries are guarded by VIRTIO_BLK_F_TOPOLOGY */ /* the next 4 entries are guarded by VIRTIO_BLK_F_TOPOLOGY */
/* exponent for physical block per logical block. */ /* exponent for physical block per logical block. */
@ -78,42 +78,42 @@ struct virtio_blk_config {
/* alignment offset in logical blocks. */ /* alignment offset in logical blocks. */
__u8 alignment_offset; __u8 alignment_offset;
/* minimum I/O size without performance penalty in logical blocks. */ /* minimum I/O size without performance penalty in logical blocks. */
__u16 min_io_size; __virtio16 min_io_size;
/* optimal sustained I/O size in logical blocks. */ /* optimal sustained I/O size in logical blocks. */
__u32 opt_io_size; __virtio32 opt_io_size;
/* writeback mode (if VIRTIO_BLK_F_CONFIG_WCE) */ /* writeback mode (if VIRTIO_BLK_F_CONFIG_WCE) */
__u8 wce; __u8 wce;
__u8 unused; __u8 unused;
/* number of vqs, only available when VIRTIO_BLK_F_MQ is set */ /* number of vqs, only available when VIRTIO_BLK_F_MQ is set */
__u16 num_queues; __virtio16 num_queues;
/* the next 3 entries are guarded by VIRTIO_BLK_F_DISCARD */ /* the next 3 entries are guarded by VIRTIO_BLK_F_DISCARD */
/* /*
* The maximum discard sectors (in 512-byte sectors) for * The maximum discard sectors (in 512-byte sectors) for
* one segment. * one segment.
*/ */
__u32 max_discard_sectors; __virtio32 max_discard_sectors;
/* /*
* The maximum number of discard segments in a * The maximum number of discard segments in a
* discard command. * discard command.
*/ */
__u32 max_discard_seg; __virtio32 max_discard_seg;
/* Discard commands must be aligned to this number of sectors. */ /* Discard commands must be aligned to this number of sectors. */
__u32 discard_sector_alignment; __virtio32 discard_sector_alignment;
/* the next 3 entries are guarded by VIRTIO_BLK_F_WRITE_ZEROES */ /* the next 3 entries are guarded by VIRTIO_BLK_F_WRITE_ZEROES */
/* /*
* The maximum number of write zeroes sectors (in 512-byte sectors) in * The maximum number of write zeroes sectors (in 512-byte sectors) in
* one segment. * one segment.
*/ */
__u32 max_write_zeroes_sectors; __virtio32 max_write_zeroes_sectors;
/* /*
* The maximum number of segments in a write zeroes * The maximum number of segments in a write zeroes
* command. * command.
*/ */
__u32 max_write_zeroes_seg; __virtio32 max_write_zeroes_seg;
/* /*
* Set if a VIRTIO_BLK_T_WRITE_ZEROES request may result in the * Set if a VIRTIO_BLK_T_WRITE_ZEROES request may result in the
* deallocation of one or more of the sectors. * deallocation of one or more of the sectors.