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vdpa: add new attribute VDPA_ATTR_DEV_MIN_VQ_SIZE

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This attribute advertises the min value of virtqueue size. The value is
1 by default.

Signed-off-by: Wu Zongyong <wuzongyong@linux.alibaba.com>
Link: https://lore.kernel.org/r/2bbc417355c4d22298050b1ba887cecfbde3e85d.1635493219.git.wuzongyong@linux.alibaba.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Wu Zongyong 2021-10-29 17:14:48 +08:00 • committed by Michael S. Tsirkin
parent 30a03dfcbb
commit e47be840e8
2 changed files with 6 additions and 0 deletions
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1
include/uapi/linux/vdpa.h
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@ -32,6 +32,7 @@ enum vdpa_attr {
VDPA_ATTR_DEV_VENDOR_ID, /* u32 */
VDPA_ATTR_DEV_MAX_VQS, /* u32 */
VDPA_ATTR_DEV_MAX_VQ_SIZE, /* u16 */
VDPA_ATTR_DEV_MIN_VQ_SIZE, /* u16 */
/* new attributes must be added above here */
VDPA_ATTR_MAX,