vDPA: report virtio-block discarding configuration to user space
authorZhu Lingshan <lingshan.zhu@intel.com>
Sun, 18 Feb 2024 18:56:03 +0000 (02:56 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 19 Mar 2024 06:45:51 +0000 (02:45 -0400)
commit65848f46e1d6c01fbd0d79a1c051d978a6e6002e
tree11a3743ae3e21d384364c45f4bebc39011a49b53
parentc9d989b4ababe3ec7291b204f365eaadec0afa26
vDPA: report virtio-block discarding configuration to user space

This commit reports virtio-blk discarding configuration
to user space,includes:
1) the maximum discard sectors
2) maximum number of discard segments for the block driver to use
3) the alignment for splitting a discarding request

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <20240218185606.13509-8-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/vdpa/vdpa.c
include/uapi/linux/vdpa.h