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qemu: process: split out startup XML validation

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And document that these specific bits are done at startup time for
back compat reasons
This commit is contained in:
Cole Robinson 2016-04-20 16:55:48 -04:00
parent 55079d6998
commit 5938f2d0bd
1 changed files with 31 additions and 12 deletions
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43
src/qemu/qemu_process.c
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@ -4546,6 +4546,36 @@ qemuProcessStartWarnShmem(virDomainObjPtr vm)
}
}
static int
qemuProcessStartValidateXML(virDomainObjPtr vm,
virQEMUCapsPtr qemuCaps,
bool migration,
bool snapshot)
{
/* The bits we validate here are XML configs that we previously
* accepted. We reject them at VM startup time rather than parse
* time so that pre-existing VMs aren't rejected and dropped from
* the VM list when libvirt is updated.
*
* If back compat isn't a concern, XML validation should probably
* be done at parse time.
*/
if (qemuValidateCpuCount(vm->def, qemuCaps) < 0)
return -1;
if (!migration && !snapshot &&
virDomainDefCheckDuplicateDiskInfo(vm->def) < 0)
return -1;
if (vm->def->mem.min_guarantee) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Parameter 'min_guarantee' "
"not supported by QEMU."));
return -1;
}
return 0;
}
/**
* qemuProcessStartValidate:
@ -4590,20 +4620,9 @@ qemuProcessStartValidate(virQEMUDriverPtr driver,
}
if (qemuValidateCpuCount(vm->def, qemuCaps) < 0)
if (qemuProcessStartValidateXML(vm, qemuCaps, migration, snapshot) < 0)
return -1;
if (!migration && !snapshot &&
virDomainDefCheckDuplicateDiskInfo(vm->def) < 0)
return -1;
if (vm->def->mem.min_guarantee) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Parameter 'min_guarantee' "
"not supported by QEMU."));
return -1;
}
VIR_DEBUG("Checking for any possible (non-fatal) issues");
qemuProcessStartWarnShmem(vm);