[PATCH 2/2] virDomainInputDefValidate: Validate model

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If input device has one of virtio* models set then it has to go
onto virtio bus. Introduce such check into the validator.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2081981
Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/conf/domain_validate.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/conf/domain_validate.c b/src/conf/domain_validate.c
index 1feb7a8f9c..f3910f08a4 100644
--- a/src/conf/domain_validate.c
+++ b/src/conf/domain_validate.c
@@ -2306,6 +2306,27 @@ virDomainInputDefValidate(const virDomainInputDef *input,
         return -1;
     }
 
+    switch ((virDomainInputModel)input->model) {
+    case VIR_DOMAIN_INPUT_MODEL_VIRTIO:
+    case VIR_DOMAIN_INPUT_MODEL_VIRTIO_TRANSITIONAL:
+    case VIR_DOMAIN_INPUT_MODEL_VIRTIO_NON_TRANSITIONAL:
+        if (input->bus != VIR_DOMAIN_INPUT_BUS_VIRTIO) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                           _("only bus 'virtio' is supported for input model '%s'"),
+                           virDomainInputModelTypeToString(input->model));
+            return -1;
+        }
+        break;
+
+    case VIR_DOMAIN_INPUT_MODEL_DEFAULT:
+        break;
+
+    case VIR_DOMAIN_INPUT_MODEL_LAST:
+    default:
+        virReportEnumRangeError(virDomainInputModel, input->model);
+        return -1;
+    }
+
     return 0;
 }
 
-- 
2.35.1




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