[libvirt PATCH v4 11/16] qemu: Assign PCI address to virtio-iommu

The device is configured to be an integrated endpoint, as is necessary for it to function correctly. Signed-off-by: Andrea Bolognani <abologna(a)redhat.com&gt; Reviewed-by: Ján Tomko <jtomko(a)redhat.com&gt; --- src/qemu/qemu_domain_address.c | 6 +++++- .../virtio-iommu-aarch64.aarch64-latest.xml | 4 +++- .../virtio-iommu-x86_64.x86_64-latest.xml | 4 +++- 3 files changed, 11 insertions(+), 3 deletions(-) diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c index 205610c53e..753733d1b9 100644 --- a/src/qemu/qemu_domain_address.c +++ b/src/qemu/qemu_domain_address.c @@ -1005,7 +1005,7 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDef *dev, case VIR_DOMAIN_DEVICE_IOMMU: switch ((virDomainIOMMUModel) dev->data.iommu->model) { case VIR_DOMAIN_IOMMU_MODEL_VIRTIO: - return 0; + return virtioFlags | VIR_PCI_CONNECT_INTEGRATED; case VIR_DOMAIN_IOMMU_MODEL_INTEL: case VIR_DOMAIN_IOMMU_MODEL_SMMUV3: @@ -2386,6 +2386,10 @@ qemuDomainAssignDevicePCISlots(virDomainDef *def, switch ((virDomainIOMMUModel) iommu->model) { case VIR_DOMAIN_IOMMU_MODEL_VIRTIO: + if (virDeviceInfoPCIAddressIsWanted(&iommu->info) && + qemuDomainPCIAddressReserveNextAddr(addrs, &iommu->info) < 0) { + return -1; + } break; case VIR_DOMAIN_IOMMU_MODEL_INTEL: diff --git a/tests/qemuxml2xmloutdata/virtio-iommu-aarch64.aarch64-latest.xml b/tests/qemuxml2xmloutdata/virtio-iommu-aarch64.aarch64-latest.xml index 336f99d539..c6560e9a91 100644 --- a/tests/qemuxml2xmloutdata/virtio-iommu-aarch64.aarch64-latest.xml +++ b/tests/qemuxml2xmloutdata/virtio-iommu-aarch64.aarch64-latest.xml @@ -27,6 +27,8 @@ <controller type='pci' index='0' model='pcie-root'/> <audio id='1' type='none'/> <memballoon model='none'/> - <iommu model='virtio'/> + <iommu model='virtio'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/> + </iommu> </devices> </domain> diff --git a/tests/qemuxml2xmloutdata/virtio-iommu-x86_64.x86_64-latest.xml b/tests/qemuxml2xmloutdata/virtio-iommu-x86_64.x86_64-latest.xml index 0b6c2d0eaf..ad3a702b0b 100644 --- a/tests/qemuxml2xmloutdata/virtio-iommu-x86_64.x86_64-latest.xml +++ b/tests/qemuxml2xmloutdata/virtio-iommu-x86_64.x86_64-latest.xml @@ -29,6 +29,8 @@ <input type='keyboard' bus='ps2'/> <audio id='1' type='none'/> <memballoon model='none'/> - <iommu model='virtio'/> + <iommu model='virtio'> + <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/> + </iommu> </devices> </domain> -- 2.35.1