[PATCH RFC 19/21] qemu: capabilities: Introduce QEMU_CAPS_VIRTIO_BLK_IOTHREAD_MAPPING

[Peter Krempa]

The capability represents the support for mapping virtqueues to
iothreads for the 'virtio-blk' device.

Signed-off-by: Peter Krempa <pkrempa at redhat.com>
---
 src/qemu/qemu_capabilities.c                     | 2 ++
 src/qemu/qemu_capabilities.h                     | 1 +
 tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml | 1 +
 3 files changed, 4 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 39d3ea3e97..d7a8bb124f 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -690,6 +690,7 @@ VIR_ENUM_IMPL(virQEMUCaps,

               /* 445 */
               "netdev.stream.reconnect", /* QEMU_CAPS_NETDEV_STREAM_RECONNECT */
+              "virtio-blk.iothread-mapping", /* QEMU_CAPS_VIRTIO_BLK_IOTHREAD_MAPPING */
     );


@@ -1439,6 +1440,7 @@ static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsVirtioBlk[] = {
     { "scsi", QEMU_CAPS_VIRTIO_BLK_SCSI, virQEMUCapsDevicePropsVirtioBlkSCSIDefault },
     { "queue-size", QEMU_CAPS_VIRTIO_BLK_QUEUE_SIZE, NULL },
     { "acpi-index", QEMU_CAPS_ACPI_INDEX, NULL },
+    { "iothread-vq-mapping", QEMU_CAPS_VIRTIO_BLK_IOTHREAD_MAPPING, NULL },
 };

 static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsVirtioNet[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index fd2f237aaf..7721c4a2f9 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -669,6 +669,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */

     /* 445 */
     QEMU_CAPS_NETDEV_STREAM_RECONNECT, /* -netdev stream supports reconnect */
+    QEMU_CAPS_VIRTIO_BLK_IOTHREAD_MAPPING, /* virtio-blk supports per-virtqueue iothread mapping */

     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
index 8ebaf9da7e..c55bbe07b8 100644
--- a/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
@@ -204,6 +204,7 @@
   <flag name='cryptodev-backend-lkcf'/>
   <flag name='pvpanic-pci'/>
   <flag name='netdev.stream.reconnect'/>
+  <flag name='virtio-blk.iothread-mapping'/>
   <version>7002050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100244</microcodeVersion>
-- 
2.39.2