Re: [PATCH v4 6/6] qemu-command: introduce new vgamem attribute for QXL video device

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On 12/01/2014 12:53 PM, Giuseppe Scrivano wrote:
Pavel Hrdina <phrdina@xxxxxxxxxx> writes:

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 6313d30..5c1b1de 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -10272,6 +10272,7 @@ virDomainVideoDefParseXML(xmlNodePtr node,
      char *heads = NULL;
      char *vram = NULL;
      char *ram = NULL;
+    char *vgamem = NULL;
      char *primary = NULL;

      if (VIR_ALLOC(def) < 0)
@@ -10285,6 +10286,7 @@ virDomainVideoDefParseXML(xmlNodePtr node,
                  type = virXMLPropString(cur, "type");
                  ram = virXMLPropString(cur, "ram");
                  vram = virXMLPropString(cur, "vram");
+                vgamem = virXMLPropString(cur, "vgamem");
                  heads = virXMLPropString(cur, "heads");

                  if ((primary = virXMLPropString(cur, "primary")) != NULL) {
@@ -10338,6 +10340,19 @@ virDomainVideoDefParseXML(xmlNodePtr node,
          def->vram = virDomainVideoDefaultRAM(dom, def->type);
      }

+    if (vgamem) {
+        if (def->type != VIR_DOMAIN_VIDEO_TYPE_QXL) {
+            virReportError(VIR_ERR_XML_ERROR, "%s",
+                           _("vgamem attribute only supported for type of qxl"));
+            goto error;

Should libvirt ignore XML attributes that makes no sense for some
models and keep accepting a configuration that used to work before?

(I am replying to this old post, just because it caused a regression in
virt-manager)

Thanks,
Giuseppe


The vgamem is a new attribute for QXL. The vram stil exists and its
only silently updated to proper value. The configuration with vram=9216
is wrong and should be updated in virt-manager tests.

Pavel

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