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qemu: capabilities: Introduce QEMU_CAPS_VIRTIO_SCSI_IOTHREAD_MAPPING

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The 'virtio-scsi' controller now supports iothread<->virtqueue mapping
configuration.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2025-02-11 17:53:51 +01:00
parent d2414079f7
commit 285ae7feb3
3 changed files with 8 additions and 0 deletions
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4
src/qemu/qemu_capabilities.c
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@ -729,6 +729,9 @@ VIR_ENUM_IMPL(virQEMUCaps,
"virtio-mem-ccw", /* QEMU_CAPS_DEVICE_VIRTIO_MEM_CCW */
"blockdev-set-active", /* QEMU_CAPS_BLOCKDEV_SET_ACTIVE */
"shim", /* QEMU_CAPS_MACHINE_SHIM */
/* 475 */
"virtio-scsi.iothread-mapping", /* QEMU_CAPS_VIRTIO_SCSI_IOTHREAD_MAPPING */
);
@ -1478,6 +1481,7 @@ static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsSpaprPCIHostBrid
static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsVirtioSCSI[] = {
{ "acpi-index", QEMU_CAPS_ACPI_INDEX, NULL },
{ "iothread-vq-mapping", QEMU_CAPS_VIRTIO_SCSI_IOTHREAD_MAPPING, NULL },
};
static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsVfioPCI[] = {

3
src/qemu/qemu_capabilities.h
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@ -711,6 +711,9 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
QEMU_CAPS_BLOCKDEV_SET_ACTIVE, /* blockdev-set-active QMP command supported */
QEMU_CAPS_MACHINE_SHIM, /* -shim command line argument */
/* 475 */
QEMU_CAPS_VIRTIO_SCSI_IOTHREAD_MAPPING, /* virtio-scsi supports per-virtqueue iothread mapping */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;

1
tests/qemucapabilitiesdata/caps_10.0.0_x86_64.xml
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@ -206,6 +206,7 @@
<flag name='migrate-incoming.exit-on-error'/>
<flag name='blockdev-set-active'/>
<flag name='shim'/>
<flag name='virtio-scsi.iothread-mapping'/>
<version>9002050</version>
<microcodeVersion>43100285</microcodeVersion>
<package>v9.2.0-2799-g0462a32b4f</package>