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block/blkio: Add virtio-blk-vfio-pci BlockDriver

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libblkio 1.1.0 [1] introduces a virtio-blk-vfio-pci driver, which
accesses a virtio-blk PCI device using VFIO. Add a corresponding
BlockDriver.

[1] https://gitlab.com/libblkio/libblkio/-/tree/v1.1.0

Signed-off-by: Alberto Faria <afaria@redhat.com>
Message-id: 20221028131635.710267-1-afaria@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alberto Faria 2022-10-28 14:16:35 +01:00 • committed by Stefan Hajnoczi
parent 7208429223
commit 03d9e4c0db
2 changed files with 26 additions and 0 deletions
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18
qapi/block-core.json
View file

@ -2960,6 +2960,7 @@
'raw', 'rbd',
{ 'name': 'replication', 'if': 'CONFIG_REPLICATION' },
'ssh', 'throttle', 'vdi', 'vhdx',
{ 'name': 'virtio-blk-vfio-pci', 'if': 'CONFIG_BLKIO' },
{ 'name': 'virtio-blk-vhost-user', 'if': 'CONFIG_BLKIO' },
{ 'name': 'virtio-blk-vhost-vdpa', 'if': 'CONFIG_BLKIO' },
'vmdk', 'vpc', 'vvfat' ] }
@ -3711,6 +3712,20 @@
'data': { 'filename': 'str' },
'if': 'CONFIG_BLKIO' }
##
# @BlockdevOptionsVirtioBlkVfioPci:
#
# Driver specific block device options for the virtio-blk-vfio-pci backend.
#
# @path: path to the PCI device's sysfs directory (e.g.
# /sys/bus/pci/devices/0000:00:01.0).
#
# Since: 7.2
##
{ 'struct': 'BlockdevOptionsVirtioBlkVfioPci',
'data': { 'path': 'str' },
'if': 'CONFIG_BLKIO' }
##
# @BlockdevOptionsVirtioBlkVhostUser:
#
@ -4390,6 +4405,9 @@
'throttle': 'BlockdevOptionsThrottle',
'vdi': 'BlockdevOptionsGenericFormat',
'vhdx': 'BlockdevOptionsGenericFormat',
'virtio-blk-vfio-pci':
{ 'type': 'BlockdevOptionsVirtioBlkVfioPci',
'if': 'CONFIG_BLKIO' },
'virtio-blk-vhost-user':
{ 'type': 'BlockdevOptionsVirtioBlkVhostUser',
'if': 'CONFIG_BLKIO' },