qemu: Introduce QEMU_CAPS_DEVICE_VIRTIO_IOMMU_PCI

This capability detects the availability of the virtio-iommu-pci device. Note that, while this device is present even in somewhat old versions of QEMU, it's only some recent changes that made it actually usable for our purposes. Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
2025-03-20 07:59:00 +00:00 · 2021-09-22 19:15:01 +02:00 · 2021-09-22 19:15:01 +02:00 · fd6442f381
commit fd6442f381
parent 99a042ea13
22 changed files with 23 additions and 0 deletions
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@ -669,6 +669,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
              /* 425 */
              "blockdev.nbd.tls-hostname", /* QEMU_CAPS_BLOCKDEV_NBD_TLS_HOSTNAME */
              "memory-backend-file.prealloc-threads", /* QEMU_CAPS_MEMORY_BACKEND_PREALLOC_THREADS */
+              "virtio-iommu-pci", /* QEMU_CAPS_DEVICE_VIRTIO_IOMMU_PCI */
    );


@ -1393,6 +1394,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
    { "virtio-vga-gl", QEMU_CAPS_VIRTIO_VGA_GL },
    { "s390-pv-guest", QEMU_CAPS_S390_PV_GUEST },
    { "virtio-mem-pci", QEMU_CAPS_DEVICE_VIRTIO_MEM_PCI },
+    { "virtio-iommu-pci", QEMU_CAPS_DEVICE_VIRTIO_IOMMU_PCI },
 };


--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@ -644,6 +644,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
    /* 425 */
    QEMU_CAPS_BLOCKDEV_NBD_TLS_HOSTNAME, /* tls hostname can be overridden for NBD clients */
    QEMU_CAPS_MEMORY_BACKEND_PREALLOC_THREADS, /* -object memory-backend-*.prealloc-threads */
+    QEMU_CAPS_DEVICE_VIRTIO_IOMMU_PCI, /* -device virtio-iommu-pci */

    QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
--- a/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml
@ -179,6 +179,7 @@
  <flag name='query-display-options'/>
  <flag name='virtio-blk.queue-size'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5000000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>61700241</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml
@ -187,6 +187,7 @@
  <flag name='query-display-options'/>
  <flag name='virtio-blk.queue-size'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5000000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>42900241</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml
@ -171,6 +171,7 @@
  <flag name='query-display-options'/>
  <flag name='virtio-blk.queue-size'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5000000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>0</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml
@ -220,6 +220,7 @@
  <flag name='query-display-options'/>
  <flag name='virtio-blk.queue-size'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5000000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>43100241</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml
@ -223,6 +223,7 @@
  <flag name='virtio-blk.queue-size'/>
  <flag name='virtio-mem-pci'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5001000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>43100242</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.aarch64.xml
@ -185,6 +185,7 @@
  <flag name='query-dirty-rate'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5002000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>61700243</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.ppc64.xml
@ -191,6 +191,7 @@
  <flag name='query-dirty-rate'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5002000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>42900243</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.riscv64.xml
@ -175,6 +175,7 @@
  <flag name='query-dirty-rate'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5002000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>0</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.s390x.xml
@ -142,6 +142,7 @@
  <flag name='query-dirty-rate'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5002000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>39100243</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml
@ -227,6 +227,7 @@
  <flag name='query-dirty-rate'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>5002000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>43100243</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_6.0.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.0.0.aarch64.xml
@ -193,6 +193,7 @@
  <flag name='query-dirty-rate'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6000000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>61700242</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_6.0.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_6.0.0.s390x.xml
@ -150,6 +150,7 @@
  <flag name='query-dirty-rate'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6000000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>39100242</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.0.0.x86_64.xml
@ -236,6 +236,7 @@
  <flag name='sev-inject-launch-secret'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6000000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>43100242</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.1.0.x86_64.xml
@ -240,6 +240,7 @@
  <flag name='sev-inject-launch-secret'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6001000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>43100243</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_6.2.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.2.0.aarch64.xml
@ -204,6 +204,7 @@
  <flag name='rbd-encryption'/>
  <flag name='calc-dirty-rate'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6001050</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>61700244</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_6.2.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.2.0.ppc64.xml
@ -202,6 +202,7 @@
  <flag name='calc-dirty-rate'/>
  <flag name='dirtyrate-param.mode'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6002000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>42900244</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml
@ -242,6 +242,7 @@
  <flag name='calc-dirty-rate'/>
  <flag name='dirtyrate-param.mode'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6002000</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>43100244</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_7.0.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_7.0.0.aarch64.xml
@ -211,6 +211,7 @@
  <flag name='dirtyrate-param.mode'/>
  <flag name='blockdev.nbd.tls-hostname'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6002092</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>61700243</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_7.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_7.0.0.ppc64.xml
@ -214,6 +214,7 @@
  <flag name='dirtyrate-param.mode'/>
  <flag name='blockdev.nbd.tls-hostname'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6002092</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>42900243</microcodeVersion>
--- a/tests/qemucapabilitiesdata/caps_7.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_7.0.0.x86_64.xml
@ -245,6 +245,7 @@
  <flag name='dirtyrate-param.mode'/>
  <flag name='blockdev.nbd.tls-hostname'/>
  <flag name='memory-backend-file.prealloc-threads'/>
+  <flag name='virtio-iommu-pci'/>
  <version>6002092</version>
  <kvmVersion>0</kvmVersion>
  <microcodeVersion>43100243</microcodeVersion>