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qemu_capabilities: Introduce QEMU_CAPS_AIO_IO_URING

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Add io_uring value to capability replies.

The capability QEMU_CAPS_AIO_IO_URING will be used for io_uring aio mode,
introduced from QEMU 5.0, linux 5.1.

Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Han Han 2020-04-21 20:19:34 +08:00 committed by Peter Krempa
parent bef10f6eaa
commit cbdd6c4df4
3 changed files with 4 additions and 0 deletions
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2
src/qemu/qemu_capabilities.c
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@ -573,6 +573,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
"fsdev.multidevs", "fsdev.multidevs",
"virtio.packed", "virtio.packed",
"pcie-root-port.hotplug", "pcie-root-port.hotplug",
"aio.io_uring",
); );
@ -1461,6 +1462,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = {
{ "blockdev-add/arg-type/+nvme", QEMU_CAPS_DRIVE_NVME }, { "blockdev-add/arg-type/+nvme", QEMU_CAPS_DRIVE_NVME },
{ "query-named-block-nodes/arg-type/flat", QEMU_CAPS_QMP_QUERY_NAMED_BLOCK_NODES_FLAT }, { "query-named-block-nodes/arg-type/flat", QEMU_CAPS_QMP_QUERY_NAMED_BLOCK_NODES_FLAT },
{ "blockdev-snapshot/$allow-write-only-overlay", QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY }, { "blockdev-snapshot/$allow-write-only-overlay", QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY },
{ "blockdev-add/arg-type/+file/aio/^io_uring", QEMU_CAPS_AIO_IO_URING },
}; };
typedef struct _virQEMUCapsObjectTypeProps virQEMUCapsObjectTypeProps; typedef struct _virQEMUCapsObjectTypeProps virQEMUCapsObjectTypeProps;

1
src/qemu/qemu_capabilities.h
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@ -554,6 +554,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
QEMU_CAPS_FSDEV_MULTIDEVS, /* fsdev.multidevs */ QEMU_CAPS_FSDEV_MULTIDEVS, /* fsdev.multidevs */
QEMU_CAPS_VIRTIO_PACKED_QUEUES, /* virtio.packed */ QEMU_CAPS_VIRTIO_PACKED_QUEUES, /* virtio.packed */
QEMU_CAPS_PCIE_ROOT_PORT_HOTPLUG, /* pcie-root-port.hotplug */ QEMU_CAPS_PCIE_ROOT_PORT_HOTPLUG, /* pcie-root-port.hotplug */
QEMU_CAPS_AIO_IO_URING, /* -blockdev {...,"aio":"io_uring",...} */
QEMU_CAPS_LAST /* this must always be the last item */ QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags; } virQEMUCapsFlags;

1
tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
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@ -230,6 +230,7 @@
<flag name='fsdev.multidevs'/> <flag name='fsdev.multidevs'/>
<flag name='virtio.packed'/> <flag name='virtio.packed'/>
<flag name='pcie-root-port.hotplug'/> <flag name='pcie-root-port.hotplug'/>
<flag name='aio.io_uring'/>
<version>4002093</version> <version>4002093</version>
<kvmVersion>0</kvmVersion> <kvmVersion>0</kvmVersion>
<microcodeVersion>43100241</microcodeVersion> <microcodeVersion>43100241</microcodeVersion>