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qemu: Tweak some code

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The altered code is functionally equivalent to the previous one,
but it's already laid down in a way that will make further
changes easier and less messy.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Andrea Bolognani 2021-09-23 16:44:42 +02:00
parent afd03c21e4
commit 99a042ea13
2 changed files with 28 additions and 9 deletions
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14
src/qemu/qemu_command.c
View File

@ -6428,15 +6428,14 @@ qemuBuildIOMMUCommandLine(virCommand *cmd,
const virDomainDef *def,
virQEMUCaps *qemuCaps)
{
g_autoptr(virJSONValue) props = NULL;
const virDomainIOMMUDef *iommu = def->iommu;
if (!iommu)
return 0;
switch (iommu->model) {
case VIR_DOMAIN_IOMMU_MODEL_INTEL: {
g_autoptr(virJSONValue) props = NULL;
case VIR_DOMAIN_IOMMU_MODEL_INTEL:
if (virJSONValueObjectAdd(&props,
"s:driver", "intel-iommu",
"S:intremap", qemuOnOffAuto(iommu->intremap),
@ -6451,7 +6450,6 @@ qemuBuildIOMMUCommandLine(virCommand *cmd,
return -1;
return 0;
}
case VIR_DOMAIN_IOMMU_MODEL_SMMUV3:
/* There is no -device for SMMUv3, so nothing to be done here */
@ -7034,14 +7032,14 @@ qemuBuildMachineCommandLine(virCommand *cmd,
if (def->iommu) {
switch (def->iommu->model) {
case VIR_DOMAIN_IOMMU_MODEL_INTEL:
/* The 'intel' IOMMu is formatted in qemuBuildIOMMUCommandLine */
break;
case VIR_DOMAIN_IOMMU_MODEL_SMMUV3:
virBufferAddLit(&buf, ",iommu=smmuv3");
break;
case VIR_DOMAIN_IOMMU_MODEL_INTEL:
/* These IOMMUs are formatted in qemuBuildIOMMUCommandLine */
break;
case VIR_DOMAIN_IOMMU_MODEL_LAST:
default:
virReportEnumRangeError(virDomainIOMMUModel, def->iommu->model);

23
src/qemu/qemu_domain_address.c
View File

@ -1002,6 +1002,16 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDef *dev,
}
break;
case VIR_DOMAIN_DEVICE_IOMMU:
switch ((virDomainIOMMUModel) dev->data.iommu->model) {
case VIR_DOMAIN_IOMMU_MODEL_INTEL:
case VIR_DOMAIN_IOMMU_MODEL_SMMUV3:
case VIR_DOMAIN_IOMMU_MODEL_LAST:
/* These are not PCI devices */
return 0;
}
break;
case VIR_DOMAIN_DEVICE_VSOCK:
switch ((virDomainVsockModel) dev->data.vsock->model) {
case VIR_DOMAIN_VSOCK_MODEL_VIRTIO_TRANSITIONAL:
@ -1041,7 +1051,6 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDef *dev,
/* These devices don't even have a DeviceInfo */
case VIR_DOMAIN_DEVICE_LEASE:
case VIR_DOMAIN_DEVICE_GRAPHICS:
case VIR_DOMAIN_DEVICE_IOMMU:
case VIR_DOMAIN_DEVICE_AUDIO:
case VIR_DOMAIN_DEVICE_LAST:
case VIR_DOMAIN_DEVICE_NONE:
@ -2369,6 +2378,18 @@ qemuDomainAssignDevicePCISlots(virDomainDef *def,
/* Nada - none are PCI based (yet) */
}
if (def->iommu) {
virDomainIOMMUDef *iommu = def->iommu;
switch ((virDomainIOMMUModel) iommu->model) {
case VIR_DOMAIN_IOMMU_MODEL_INTEL:
case VIR_DOMAIN_IOMMU_MODEL_SMMUV3:
case VIR_DOMAIN_IOMMU_MODEL_LAST:
/* These are not PCI devices */
break;
}
}
if (def->vsock &&
virDeviceInfoPCIAddressIsWanted(&def->vsock->info)) {