[libvirt] [PATCH 2/3] Call per-device post-parse callback even on implicit video
Commit 6879be48 moved adding of an implicit video device after XML
parsing. As a result, libxlDomainDeviceDefPostParse() is no longer
called to set the default vram when adding an implicit device.
Commit 6879be48 assumes virDomainVideoDefaultRAM() will set the
default vram, but it returns 0 if the domain virtType is
VIR_DOMAIN_VIRT_XEN. Attempting to start an HVM domain with vram=0
results in
error: unsupported configuration: videoram must be at least 4MB for CIRRUS
The default vram setting for Xen HVM domains depends on the device
model used (qemu-xen vs qemu-traditional), hence setting the
default is deferred to libxlDomainDeviceDefPostParse().
Call the device post-parse callback even for implicit video,
to fill out the default vram even for VIR_DOMAIN_VIRT_XEN.
https://bugzilla.redhat.com/show_bug.cgi?id=1334557
Most-of-commit-message-by: Jim Fehlig <jfehlig(a)suse.com>
---
src/conf/domain_conf.c | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 13d0f9f..b3165fc 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -4362,8 +4362,7 @@ virDomainDefPostParseDeviceIterator(virDomainDefPtr def
ATTRIBUTE_UNUSED,
static int
virDomainDefPostParseInternal(virDomainDefPtr def,
- virCapsPtr caps ATTRIBUTE_UNUSED,
- unsigned int parseFlags)
+ struct virDomainDefPostParseDeviceIteratorData *data)
{
/* verify init path for container based domains */
if (def->os.type == VIR_DOMAIN_OSTYPE_EXE && !def->os.init) {
@@ -4372,7 +4371,7 @@ virDomainDefPostParseInternal(virDomainDefPtr def,
return -1;
}
- if (virDomainDefPostParseMemory(def, parseFlags) < 0)
+ if (virDomainDefPostParseMemory(def, data->parseFlags) < 0)
return -1;
if (virDomainDefRejectDuplicateControllers(def) < 0)
@@ -4387,11 +4386,22 @@ virDomainDefPostParseInternal(virDomainDefPtr def,
if (virDomainDefAddImplicitDevices(def) < 0)
return -1;
- /* Mark the first video as primary. If the user specified primary="yes",
- * the parser already inserted the device at def->videos[0] */
- if (def->nvideos != 0)
+ if (def->nvideos != 0) {
+ virDomainDeviceDef device = {
+ .type = VIR_DOMAIN_DEVICE_VIDEO,
+ .data.video = def->videos[0],
+ };
+
+ /* Mark the first video as primary. If the user specified
primary="yes",
+ * the parser already inserted the device at def->videos[0] */
def->videos[0]->primary = true;
+ /* videos[0] might have been added in AddImplicitDevices, after we've
+ * done the per-device post-parse */
+ if (virDomainDefPostParseDeviceIterator(NULL, &device, NULL, data) < 0)
+ return -1;
+ }
+
/* clean up possibly duplicated metadata entries */
virDomainDefMetadataSanitize(def);
@@ -4429,7 +4439,7 @@ virDomainDefPostParse(virDomainDefPtr def,
return ret;
- if ((ret = virDomainDefPostParseInternal(def, caps, parseFlags)) < 0)
+ if ((ret = virDomainDefPostParseInternal(def, &data)) < 0)
return ret;
if (virDomainDefPostParseCheckFeatures(def, xmlopt) < 0)
--
2.7.3