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Support for getting/setting number of cpus in VBox

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* src/vbox/vbox_tmpl.c: adds support for getting/setting number of cpus
This commit is contained in:
Pritesh Kothari 2009-09-02 16:08:14 +02:00 committed by Daniel Veillard
parent 575b18c0f0
commit fea5a0bdc9
1 changed files with 78 additions and 2 deletions
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80
src/vbox/vbox_tmpl.c
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@ -1527,6 +1527,82 @@ cleanup:
return ret; return ret;
} }
static int vboxDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus) {
nsresult rc;
vboxGlobalData *data = dom->conn->privateData;
IMachine *machine = NULL;
vboxIID *iid = NULL;
PRUint32 CPUCount = nvcpus;
int ret = -1;
#if VBOX_API_VERSION == 2002
if (VIR_ALLOC(iid) < 0) {
virReportOOMError(dom->conn);
goto cleanup;
}
#endif
if(data->vboxObj) {
vboxIIDFromUUID(dom->uuid, iid);
rc = data->vboxObj->vtbl->OpenSession(data->vboxObj, data->vboxSession, iid);
if (NS_SUCCEEDED(rc)) {
data->vboxSession->vtbl->GetMachine(data->vboxSession, &machine);
if (machine) {
rc = machine->vtbl->SetCPUCount(machine, CPUCount);
if (NS_SUCCEEDED(rc)) {
machine->vtbl->SaveSettings(machine);
ret = 0;
} else {
vboxError(dom->conn, VIR_ERR_INTERNAL_ERROR, "%s: %u, rc=%08x",
"could not set the number of cpus of the domain to",
CPUCount, (unsigned)rc);
}
machine->vtbl->nsisupports.Release((nsISupports *)machine);
} else {
vboxError(dom->conn, VIR_ERR_INVALID_DOMAIN,
"no domain with matching id %d", dom->id);
}
} else {
vboxError(dom->conn, VIR_ERR_INVALID_DOMAIN,
"can't open session to the domain with id %d", dom->id);
}
data->vboxSession->vtbl->Close(data->vboxSession);
}
#if VBOX_API_VERSION == 2002
cleanup:
#endif
vboxIIDFree(iid);
return ret;
}
static int vboxDomainGetMaxVcpus(virDomainPtr dom) {
vboxGlobalData *data = dom->conn->privateData;
PRUint32 maxCPUCount = 0;
int ret = -1;
/* Currently every domain supports the same number of max cpus
* as that supported by vbox and thus take it directly from
* the systemproperties.
*/
if(data->vboxObj) {
ISystemProperties *systemProperties = NULL;
data->vboxObj->vtbl->GetSystemProperties(data->vboxObj, &systemProperties);
if (systemProperties) {
systemProperties->vtbl->GetMaxGuestCPUCount(systemProperties, &maxCPUCount);
systemProperties->vtbl->nsisupports.Release((nsISupports *)systemProperties);
}
}
if (maxCPUCount > 0)
ret = maxCPUCount;
return ret;
}
static char *vboxDomainDumpXML(virDomainPtr dom, int flags) { static char *vboxDomainDumpXML(virDomainPtr dom, int flags) {
nsresult rc; nsresult rc;
vboxGlobalData *data = dom->conn->privateData; vboxGlobalData *data = dom->conn->privateData;
@ -5579,10 +5655,10 @@ virDriver NAME(Driver) = {
vboxDomainSave, /* domainSave */ vboxDomainSave, /* domainSave */
NULL, /* domainRestore */ NULL, /* domainRestore */
NULL, /* domainCoreDump */ NULL, /* domainCoreDump */
NULL, /* domainSetVcpus */ vboxDomainSetVcpus, /* domainSetVcpus */
NULL, /* domainPinVcpu */ NULL, /* domainPinVcpu */
NULL, /* domainGetVcpus */ NULL, /* domainGetVcpus */
NULL, /* domainGetMaxVcpus */ vboxDomainGetMaxVcpus, /* domainGetMaxVcpus */
NULL, /* domainGetSecurityLabel */ NULL, /* domainGetSecurityLabel */
NULL, /* nodeGetSecurityModel */ NULL, /* nodeGetSecurityModel */
vboxDomainDumpXML, /* domainDumpXML */ vboxDomainDumpXML, /* domainDumpXML */