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qemu: Implement support for 'capability_filters' config option 

Filter out the given capabilities and set domain taint if we've done so.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-06-18 10:04:32 +02:00
parent 30ce8f3163
commit 2cb86fc260
2 changed files with 17 additions and 1 deletions
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3
src/qemu/qemu_domain.c
View File

@ -8339,7 +8339,8 @@ void qemuDomainObjCheckTaint(virQEMUDriverPtr driver,
custom_hypervisor_feat = true;
}
if (custom_hypervisor_feat) {
if (custom_hypervisor_feat ||
(cfg->capabilityfilters && *cfg->capabilityfilters)) {
qemuDomainObjTaint(driver, obj,
VIR_DOMAIN_TAINT_CUSTOM_HYPERVISOR_FEATURE, logCtxt);
}

15
src/qemu/qemu_process.c
View File

@ -5452,10 +5452,25 @@ static int
qemuProcessStartUpdateCustomCaps(virDomainObjPtr vm)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
VIR_AUTOUNREF(virQEMUDriverConfigPtr) cfg = virQEMUDriverGetConfig(priv->driver);
qemuDomainXmlNsDefPtr nsdef = vm->def->namespaceData;
char **next;
int tmp;
size_t i;
if (cfg->capabilityfilters) {
for (next = cfg->capabilityfilters; *next; next++) {
if ((tmp = virQEMUCapsTypeFromString(*next)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid capability_filters capability '%s'"),
*next);
return -1;
}
virQEMUCapsClear(priv->qemuCaps, tmp);
}
}
if (nsdef) {
for (i = 0; i < nsdef->ncapsadd; i++) {
if ((tmp = virQEMUCapsTypeFromString(nsdef->capsadd[i])) < 0) {