qemu: move hostdev boot validation into domain validation

Moving the hostdev boot support validation from the command line
generator code into the domain validation code.
Reviewed-by: NMarc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: NBjoern Walk <bwalk@linux.ibm.com>
Signed-off-by: NBoris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
Signed-off-by: NJán Tomko <jtomko@redhat.com>

src/qemu/qemu_command.c

@@ -5422,18 +5422,6 @@ qemuBuildHostdevCommandLine(virCommandPtr cmd,
         virDomainHostdevSubsysPtr subsys = &hostdev->source.subsys;
         VIR_AUTOFREE(char *) devstr = NULL;
 
-        if (hostdev->info->bootIndex) {
-            if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
-                (subsys->type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
-                 subsys->type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB &&
-                 subsys->type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI)) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                               _("booting from assigned devices is only "
-                                 "supported for PCI, USB and SCSI devices"));
-                return -1;
-            }
-        }
-
         /* USB */
         if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
             subsys->type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {

src/qemu/qemu_domain.c

@@ -5295,9 +5295,22 @@ qemuDomainDeviceDefValidateHostdev(const virDomainHostdevDef *hostdev,
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB:
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI:
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI:
+            break;
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST:
+            if (hostdev->info->bootIndex) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("booting from assigned devices is only "
+                                 "supported for PCI, USB and SCSI devices"));
+                return -1;
+            }
             break;
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV:
+            if (hostdev->info->bootIndex) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("booting from assigned devices is only "
+                                 "supported for PCI, USB and SCSI devices"));
+                return -1;
+            }
             mdevsrc = &hostdev->source.subsys.u.mdev;
             return qemuDomainMdevDefValidate(mdevsrc, def, qemuCaps);
         case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:

tests/qemuxml2argvtest.c

@@ -1639,8 +1639,8 @@ mymain(void)
 
     DO_TEST_CAPS_ARCH_LATEST("hostdev-subsys-mdev-vfio-ap",
                              "s390x");
-    DO_TEST_CAPS_ARCH_LATEST_FAILURE("hostdev-subsys-mdev-vfio-ap-boot-fail",
-                                     "s390x");
+    DO_TEST_CAPS_ARCH_LATEST_PARSE_ERROR("hostdev-subsys-mdev-vfio-ap-boot-fail",
+                                         "s390x");
 
     DO_TEST_FULL("restore-v2",
                  ARG_MIGRATE_FROM, "exec:cat",
@@ -2444,7 +2444,7 @@ mymain(void)
     DO_TEST("hostdev-scsi-vhost-scsi-pci",
             QEMU_CAPS_VIRTIO_SCSI,
             QEMU_CAPS_DEVICE_VHOST_SCSI);
-    DO_TEST_CAPS_LATEST_FAILURE("hostdev-scsi-vhost-scsi-pci-boot-fail");
+    DO_TEST_CAPS_LATEST_PARSE_ERROR("hostdev-scsi-vhost-scsi-pci-boot-fail");
     DO_TEST("hostdev-scsi-vhost-scsi-pcie",
             QEMU_CAPS_KVM,
             QEMU_CAPS_VIRTIO_SCSI, QEMU_CAPS_DEVICE_VHOST_SCSI,