From 03d9e4c0dba9d1b5d0c532ac3518415466ebdf8f Mon Sep 17 00:00:00 2001
From: Alberto Faria <afaria@redhat.com>
Date: Fri, 28 Oct 2022 14:16:35 +0100
Subject: block/blkio: Add virtio-blk-vfio-pci BlockDriver

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>
---
 qapi/block-core.json | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'qapi')

diff --git a/qapi/block-core.json b/qapi/block-core.json
index cb5079e..81bbb0b 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -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' ] }
@@ -3712,6 +3713,20 @@
   '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:
 #
 # Driver specific block device options for the virtio-blk-vhost-user backend.
@@ -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' },
-- 
cgit v1.1