qemu: Implement 'reset' for qemu driver

Signed-off-by: NXu He Jie <xuhj@linux.vnet.ibm.com>

src/qemu/qemu_driver.c

@@ -1596,6 +1596,55 @@ cleanup:
 }
 
 
+static int
+qemuDomainReset(virDomainPtr dom, unsigned int flags)
+{
+    struct qemud_driver *driver = dom->conn->privateData;
+    virDomainObjPtr vm;
+    int ret = -1;
+    qemuDomainObjPrivatePtr priv;
+
+    virCheckFlags(0, -1);
+
+    qemuDriverLock(driver);
+    vm = virDomainFindByUUID(&driver->domains, dom->uuid);
+    qemuDriverUnlock(driver);
+
+    if (!vm) {
+        char uuidstr[VIR_UUID_STRING_BUFLEN];
+        virUUIDFormat(dom->uuid, uuidstr);
+        qemuReportError(VIR_ERR_NO_DOMAIN,
+                        _("no domain with matching uuid '%s'"), uuidstr);
+        goto cleanup;
+    }
+
+    if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
+        goto cleanup;
+
+    if (!virDomainObjIsActive(vm)) {
+        qemuReportError(VIR_ERR_OPERATION_INVALID,
+                        "%s", _("domain is not running"));
+        goto endjob;
+    }
+
+    priv = vm->privateData;
+    qemuDomainObjEnterMonitor(driver, vm);
+    ret = qemuMonitorSystemReset(priv->mon);
+    qemuDomainObjExitMonitor(driver, vm);
+
+    priv->fakeReboot = false;
+
+endjob:
+    if (qemuDomainObjEndJob(driver, vm) == 0)
+        vm = NULL;
+
+cleanup:
+    if (vm)
+        virDomainObjUnlock(vm);
+    return ret;
+}
+
+
 /* Count how many snapshots in a set have external disk snapshots.  */
 static void
 qemuDomainSnapshotCountExternal(void *payload,
@@ -10386,6 +10435,7 @@ static virDriver qemuDriver = {
     .domainResume = qemudDomainResume, /* 0.2.0 */
     .domainShutdown = qemuDomainShutdown, /* 0.2.0 */
     .domainReboot = qemuDomainReboot, /* 0.9.3 */
+    .domainReset = qemuDomainReset, /* 0.9.7 */
     .domainDestroy = qemuDomainDestroy, /* 0.2.0 */
     .domainDestroyFlags = qemuDomainDestroyFlags, /* 0.9.4 */
     .domainGetOSType = qemudDomainGetOSType, /* 0.2.2 */