From 5d17ae66252024451c1e9f30f348f5e223b26c72 Mon Sep 17 00:00:00 2001
From: chenyuhui <chenyuhui5@huawei.com>
Date: Tue, 2 Aug 2022 10:51:59 +0800
Subject: [PATCH 19/22] virDomainInputDefValidate: Validate model

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@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
---
 src/conf/domain_conf.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 2d1726af8f..b8cf1adb98 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -6834,6 +6834,27 @@ 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;
 }
 
-- 
2.33.0