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vDPA: report virtio-block max segment size to user space

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This commit allows reporting the max size of any
single segment of virtio-block devices to user space.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <20240218185606.13509-3-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Zhu Lingshan
2024-02-19 02:55:58 +08:00
committed by Michael S. Tsirkin
parent c2475a9a78
commit 330b8aea69
2 changed files with 18 additions and 0 deletions
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include/uapi/linux/vdpa.h
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@@ -57,6 +57,7 @@ enum vdpa_attr {
VDPA_ATTR_DEV_FEATURES, /* u64 */
VDPA_ATTR_DEV_BLK_CFG_CAPACITY, /* u64 */
VDPA_ATTR_DEV_BLK_CFG_SEG_SIZE, /* u32 */
/* new attributes must be added above here */
VDPA_ATTR_MAX,