[PATCH v2] domain_validate: Validate dma_translation for iommu models
The attribute dma_translation is only supported by intel-iommu device.
Report an error when it is used for the other iommu devices.
Fixes: 6866f958c1
Signed-off-by: Han Han <hhan(a)redhat.com>
---
v2: update the tests
v1:
https://lists.libvirt.org/archives/list/devel@lists.libvirt.org/thread/6C...
src/conf/domain_validate.c | 3 ++-
...io-iommu-dma-translation.x86_64-latest.err | 1 +
.../virtio-iommu-dma-translation.xml | 20 +++++++++++++++++++
tests/qemuxmlconftest.c | 1 +
4 files changed, 24 insertions(+), 1 deletion(-)
create mode 100644 tests/qemuxmlconfdata/virtio-iommu-dma-translation.x86_64-latest.err
create mode 100644 tests/qemuxmlconfdata/virtio-iommu-dma-translation.xml
diff --git a/src/conf/domain_validate.c b/src/conf/domain_validate.c
index eddb4a5e74..b8ae9ed79d 100644
--- a/src/conf/domain_validate.c
+++ b/src/conf/domain_validate.c
@@ -2980,7 +2980,8 @@ virDomainIOMMUDefValidate(const virDomainIOMMUDef *iommu)
iommu->caching_mode != VIR_TRISTATE_SWITCH_ABSENT ||
iommu->eim != VIR_TRISTATE_SWITCH_ABSENT ||
iommu->iotlb != VIR_TRISTATE_SWITCH_ABSENT ||
- iommu->aw_bits != 0) {
+ iommu->aw_bits != 0 ||
+ iommu->dma_translation != VIR_TRISTATE_SWITCH_ABSENT) {
virReportError(VIR_ERR_XML_ERROR,
_("iommu model '%1$s' doesn't support
additional attributes"),
virDomainIOMMUModelTypeToString(iommu->model));
diff --git a/tests/qemuxmlconfdata/virtio-iommu-dma-translation.x86_64-latest.err
b/tests/qemuxmlconfdata/virtio-iommu-dma-translation.x86_64-latest.err
new file mode 100644
index 0000000000..2c3a272725
--- /dev/null
+++ b/tests/qemuxmlconfdata/virtio-iommu-dma-translation.x86_64-latest.err
@@ -0,0 +1 @@
+XML error: iommu model 'virtio' doesn't support additional attributes
diff --git a/tests/qemuxmlconfdata/virtio-iommu-dma-translation.xml
b/tests/qemuxmlconfdata/virtio-iommu-dma-translation.xml
new file mode 100644
index 0000000000..a3723f266b
--- /dev/null
+++ b/tests/qemuxmlconfdata/virtio-iommu-dma-translation.xml
@@ -0,0 +1,20 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219100</memory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='x86_64' machine='q35'>hvm</type>
+ </os>
+ <features>
+ <acpi/>
+ </features>
+ <devices>
+ <emulator>/usr/bin/qemu-system-x86_64</emulator>
+ <controller type='usb' model='none'/>
+ <memballoon model='none'/>
+ <iommu model='virtio'>
+ <driver dma_translation='on'/>
+ </iommu>
+ </devices>
+</domain>
diff --git a/tests/qemuxmlconftest.c b/tests/qemuxmlconftest.c
index 61eb4cda75..dfcf67d2d0 100644
--- a/tests/qemuxmlconftest.c
+++ b/tests/qemuxmlconftest.c
@@ -2766,6 +2766,7 @@ mymain(void)
DO_TEST_CAPS_LATEST_PARSE_ERROR("virtio-iommu-no-acpi");
DO_TEST_CAPS_LATEST_PARSE_ERROR("virtio-iommu-invalid-address-type");
DO_TEST_CAPS_LATEST_PARSE_ERROR("virtio-iommu-invalid-address");
+ DO_TEST_CAPS_LATEST_PARSE_ERROR("virtio-iommu-dma-translation");
DO_TEST_CAPS_LATEST("cpu-hotplug-startup");
DO_TEST_CAPS_ARCH_LATEST_PARSE_ERROR("cpu-hotplug-granularity",
"ppc64");
--
2.46.1