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qemu: implement iommu coldplug/unplug

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Resolves: https://issues.redhat.com/browse/RHEL-23833
Signed-off-by: Adam Julis <ajulis@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Adam Julis 2024-06-18 11:56:05 +02:00 committed by Michal Privoznik
parent 8ce138632c
commit e145d182a6
1 changed files with 18 additions and 2 deletions
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20
src/qemu/qemu_driver.c
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@ -6847,6 +6847,15 @@ qemuDomainAttachDeviceConfig(virDomainDef *vmdef,
vmdef->vsock = g_steal_pointer(&dev->data.vsock);
break;
case VIR_DOMAIN_DEVICE_IOMMU:
if (vmdef->iommu) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("domain already has an iommu device"));
return -1;
}
vmdef->iommu = g_steal_pointer(&dev->data.iommu);
break;
case VIR_DOMAIN_DEVICE_VIDEO:
case VIR_DOMAIN_DEVICE_GRAPHICS:
case VIR_DOMAIN_DEVICE_HUB:
@ -6856,7 +6865,6 @@ qemuDomainAttachDeviceConfig(virDomainDef *vmdef,
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_TPM:
case VIR_DOMAIN_DEVICE_PANIC:
case VIR_DOMAIN_DEVICE_IOMMU:
case VIR_DOMAIN_DEVICE_AUDIO:
case VIR_DOMAIN_DEVICE_CRYPTO:
case VIR_DOMAIN_DEVICE_LAST:
@ -7057,6 +7065,15 @@ qemuDomainDetachDeviceConfig(virDomainDef *vmdef,
g_clear_pointer(&vmdef->vsock, virDomainVsockDefFree);
break;
case VIR_DOMAIN_DEVICE_IOMMU:
if (!vmdef->iommu) {
virReportError(VIR_ERR_OPERATION_FAILED, "%s",
_("matching iommu device not found"));
return -1;
}
g_clear_pointer(&vmdef->iommu, virDomainIOMMUDefFree);
break;
case VIR_DOMAIN_DEVICE_VIDEO:
case VIR_DOMAIN_DEVICE_GRAPHICS:
case VIR_DOMAIN_DEVICE_HUB:
@ -7066,7 +7083,6 @@ qemuDomainDetachDeviceConfig(virDomainDef *vmdef,
case VIR_DOMAIN_DEVICE_NONE:
case VIR_DOMAIN_DEVICE_TPM:
case VIR_DOMAIN_DEVICE_PANIC:
case VIR_DOMAIN_DEVICE_IOMMU:
case VIR_DOMAIN_DEVICE_AUDIO:
case VIR_DOMAIN_DEVICE_CRYPTO:
case VIR_DOMAIN_DEVICE_LAST: