qemu: Add QMP functions for post-copy migration

Signed-off-by: NCristian Klein <cristiklein@gmail.com>
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

src/qemu/qemu_monitor.c

@@ -167,7 +167,8 @@ VIR_ENUM_IMPL(qemuMonitorMigrationStatus,
 
 VIR_ENUM_IMPL(qemuMonitorMigrationCaps,
               QEMU_MONITOR_MIGRATION_CAPS_LAST,
-              "xbzrle", "auto-converge", "rdma-pin-all", "events")
+              "xbzrle", "auto-converge", "rdma-pin-all", "events",
+              "postcopy-ram")
 
 VIR_ENUM_IMPL(qemuMonitorVMStatus,
               QEMU_MONITOR_VM_STATUS_LAST,
@@ -3797,3 +3798,14 @@ qemuMonitorMigrateIncoming(qemuMonitorPtr mon,
 
     return qemuMonitorJSONMigrateIncoming(mon, uri);
 }
+
+
+int
+qemuMonitorMigrateStartPostCopy(qemuMonitorPtr mon)
+{
+    VIR_DEBUG("mon=%p", mon);
+
+    QEMU_CHECK_MONITOR_JSON(mon);
+
+    return qemuMonitorJSONMigrateStartPostCopy(mon);
+}

src/qemu/qemu_monitor.h

@@ -532,6 +532,7 @@ typedef enum {
     QEMU_MONITOR_MIGRATION_CAPS_AUTO_CONVERGE,
     QEMU_MONITOR_MIGRATION_CAPS_RDMA_PIN_ALL,
     QEMU_MONITOR_MIGRATION_CAPS_EVENTS,
+    QEMU_MONITOR_MIGRATION_CAPS_POSTCOPY,
 
     QEMU_MONITOR_MIGRATION_CAPS_LAST
 } qemuMonitorMigrationCaps;
@@ -933,4 +934,6 @@ int qemuMonitorGetMemoryDeviceInfo(qemuMonitorPtr mon,
 int qemuMonitorMigrateIncoming(qemuMonitorPtr mon,
                                const char *uri);
 
+int qemuMonitorMigrateStartPostCopy(qemuMonitorPtr mon);
+
 #endif /* QEMU_MONITOR_H */

src/qemu/qemu_monitor_json.c

@@ -6737,3 +6737,25 @@ qemuMonitorJSONMigrateIncoming(qemuMonitorPtr mon,
     virJSONValueFree(reply);
     return ret;
 }
+
+
+int
+qemuMonitorJSONMigrateStartPostCopy(qemuMonitorPtr mon)
+{
+    int ret = -1;
+    virJSONValuePtr cmd;
+    virJSONValuePtr reply = NULL;
+
+    if (!(cmd = qemuMonitorJSONMakeCommand("migrate-start-postcopy", NULL)))
+        return -1;
+
+    if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
+        goto cleanup;
+
+    ret = qemuMonitorJSONCheckError(cmd, reply);
+
+ cleanup:
+    virJSONValueFree(cmd);
+    virJSONValueFree(reply);
+    return ret;
+}

src/qemu/qemu_monitor_json.h

@@ -488,4 +488,7 @@ int qemuMonitorJSONMigrateIncoming(qemuMonitorPtr mon,
                                    const char *uri)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
 
+int qemuMonitorJSONMigrateStartPostCopy(qemuMonitorPtr mon)
+    ATTRIBUTE_NONNULL(1);
+
 #endif /* QEMU_MONITOR_JSON_H */