qemu_validate: Check if QEMU's capable of setting iothread pool size

Now that we have a capability that reflects whether QEMU is
capable of setting iothread pool size, let's introduce a
validator check to make sure users are not trying to use this
feature with QEMU that doesn't support it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Michal Privoznik 2022-05-10 12:26:29 +02:00
parent 38a67a9a9e
commit 2bfb8159bb

View File

@ -384,6 +384,27 @@ qemuValidateDomainDefCpu(virQEMUDriver *driver,
}
static int
qemuValidateDomainDefIOThreads(const virDomainDef *def,
virQEMUCaps *qemuCaps)
{
size_t i;
for (i = 0; i < def->niothreadids; i++) {
virDomainIOThreadIDDef *iothread = def->iothreadids[i];
if ((iothread->thread_pool_min != -1 || iothread->thread_pool_max != -1) &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_IOTHREAD_THREAD_POOL_MAX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("thread_pool_min and thread_pool_max is not supported by this QEMU binary"));
return -1;
}
}
return 0;
}
static int
qemuValidateDomainDefClockTimers(const virDomainDef *def,
virQEMUCaps *qemuCaps)
@ -1168,6 +1189,9 @@ qemuValidateDomainDef(const virDomainDef *def,
if (qemuDomainDefValidateMemoryHotplug(def, NULL) < 0)
return -1;
if (qemuValidateDomainDefIOThreads(def, qemuCaps) < 0)
return -1;
if (qemuValidateDomainDefClockTimers(def, qemuCaps) < 0)
return -1;