提交 d53bca48 编写于 作者: M Markus Groß 提交者: Daniel Veillard

Add domainGetSchedulerType to libxl driver

* src/libxl/libxl_driver.c: implements libxlDomainGetSchedulerType
上级 02449771
......@@ -55,6 +55,9 @@
#define LIBXL_CONFIG_FORMAT_XM "xen-xm"
/* Number of Xen scheduler parameters */
#define XEN_SCHED_CREDIT_NPARAM 2
static libxlDriverPrivatePtr libxl_driver = NULL;
......@@ -1954,6 +1957,65 @@ libxlDomainEventDeregister(virConnectPtr conn,
return ret;
}
static char *
libxlDomainGetSchedulerType(virDomainPtr dom, int *nparams)
{
libxlDriverPrivatePtr driver = dom->conn->privateData;
libxlDomainObjPrivatePtr priv;
virDomainObjPtr vm;
char * ret = NULL;
int sched_id;
libxlDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
libxlDriverUnlock(driver);
if (!vm) {
libxlError(VIR_ERR_NO_DOMAIN, "%s", _("no domain with matching uuid"));
goto cleanup;
}
if (!virDomainObjIsActive(vm)) {
libxlError(VIR_ERR_OPERATION_INVALID, "%s", _("Domain is not running"));
goto cleanup;
}
priv = vm->privateData;
if ((sched_id = libxl_get_sched_id(&priv->ctx)) < 0) {
libxlError(VIR_ERR_INTERNAL_ERROR,
_("Failed to get scheduler id for domain '%d'"
" with libxenlight"), dom->id);
goto cleanup;
}
*nparams = 0;
switch(sched_id) {
case XEN_SCHEDULER_SEDF:
ret = strdup("sedf");
break;
case XEN_SCHEDULER_CREDIT:
ret = strdup("credit");
*nparams = XEN_SCHED_CREDIT_NPARAM;
break;
case XEN_SCHEDULER_CREDIT2:
ret = strdup("credit2");
break;
case XEN_SCHEDULER_ARINC653:
ret = strdup("arinc653");
break;
default:
goto cleanup;
}
if (!ret)
virReportOOMError();
cleanup:
if (vm)
virDomainObjUnlock(vm);
return ret;
}
static int
libxlDomainIsActive(virDomainPtr dom)
{
......@@ -2099,7 +2161,7 @@ static virDriver libxlDriver = {
NULL, /* domainUpdateDeviceFlags */
NULL, /* domainGetAutostart */
NULL, /* domainSetAutostart */
NULL, /* domainGetSchedulerType */
libxlDomainGetSchedulerType,/* domainGetSchedulerType */
NULL, /* domainGetSchedulerParameters */
NULL, /* domainSetSchedulerParameters */
NULL, /* domainMigratePrepare */
......
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