1 files changed, 136 insertions, 0 deletions
diff --git a/tests/qtest/migration/cpr-tests.c b/tests/qtest/migration/cpr-tests.c
new file mode 100644
index 0000000..5e764a6
--- /dev/null
+++ b/tests/qtest/migration/cpr-tests.c
@@ -0,0 +1,136 @@
+/*
+ * QTest testcases for CPR
+ *
+ * Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates
+ *   based on the vhost-user-test.c that is:
+ *      Copyright (c) 2014 Virtual Open Systems Sarl.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "libqtest.h"
+#include "migration/framework.h"
+#include "migration/migration-qmp.h"
+#include "migration/migration-util.h"
+
+
+static char *tmpfs;
+
+static void *migrate_hook_start_mode_reboot(QTestState *from, QTestState *to)
+{
+    migrate_set_parameter_str(from, "mode", "cpr-reboot");
+    migrate_set_parameter_str(to, "mode", "cpr-reboot");
+
+    return NULL;
+}
+
+static void test_mode_reboot(void)
+{
+    g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs,
+                                           FILE_TEST_FILENAME);
+    MigrateCommon args = {
+        .start.use_shmem = true,
+        .connect_uri = uri,
+        .listen_uri = "defer",
+        .start_hook = migrate_hook_start_mode_reboot,
+        .start = {
+            .caps[MIGRATION_CAPABILITY_X_IGNORE_SHARED] = true,
+        },
+    };
+
+    test_file_common(&args, true);
+}
+
+static void *test_mode_transfer_start(QTestState *from, QTestState *to)
+{
+    migrate_set_parameter_str(from, "mode", "cpr-transfer");
+    return NULL;
+}
+
+/*
+ * cpr-transfer mode cannot use the target monitor prior to starting the
+ * migration, and cannot connect synchronously to the monitor, so defer
+ * the target connection.
+ */
+static void test_mode_transfer_common(bool incoming_defer)
+{
+    g_autofree char *cpr_path = g_strdup_printf("%s/cpr.sock", tmpfs);
+    g_autofree char *mig_path = g_strdup_printf("%s/migsocket", tmpfs);
+    g_autofree char *uri = g_strdup_printf("unix:%s", mig_path);
+    g_autofree char *opts_target = NULL;
+
+    const char *opts = "-machine aux-ram-share=on -nodefaults";
+    g_autofree const char *cpr_channel = g_strdup_printf(
+        "cpr,addr.transport=socket,addr.type=unix,addr.path=%s",
+        cpr_path);
+
+    g_autofree char *connect_channels = g_strdup_printf(
+        "[ { 'channel-type': 'main',"
+        "    'addr': { 'transport': 'socket',"
+        "              'type': 'unix',"
+        "              'path': '%s' } } ]",
+        mig_path);
+
+    /*
+     * Set up a UNIX domain socket for the CPR channel before
+     * launching the destination VM, to avoid timing issues
+     * during connection setup.
+     */
+    int cpr_sockfd = qtest_socket_server(cpr_path);
+    g_assert(cpr_sockfd >= 0);
+
+    opts_target = g_strdup_printf("-incoming cpr,addr.transport=socket,"
+                                  "addr.type=fd,addr.str=%d %s",
+                                  cpr_sockfd, opts);
+    MigrateCommon args = {
+        .start.opts_source = opts,
+        .start.opts_target = opts_target,
+        .start.defer_target_connect = true,
+        .start.memory_backend = "-object memory-backend-memfd,id=pc.ram,size=%s"
+                                " -machine memory-backend=pc.ram",
+        .listen_uri = incoming_defer ? "defer" : uri,
+        .connect_channels = connect_channels,
+        .cpr_channel = cpr_channel,
+        .start_hook = test_mode_transfer_start,
+    };
+
+    test_precopy_common(&args);
+}
+
+static void test_mode_transfer(void)
+{
+    test_mode_transfer_common(NULL);
+}
+
+static void test_mode_transfer_defer(void)
+{
+    test_mode_transfer_common(true);
+}
+
+void migration_test_add_cpr(MigrationTestEnv *env)
+{
+    tmpfs = env->tmpfs;
+
+    /* no tests in the smoke set for now */
+
+    if (!env->full_set) {
+        return;
+    }
+
+    /*
+     * Our CI system has problems with shared memory.
+     * Don't run this test until we find a workaround.
+     */
+    if (getenv("QEMU_TEST_FLAKY_TESTS")) {
+        migration_test_add("/migration/mode/reboot", test_mode_reboot);
+    }
+
+    if (env->has_kvm) {
+        migration_test_add("/migration/mode/transfer", test_mode_transfer);
+        migration_test_add("/migration/mode/transfer/defer",
+                           test_mode_transfer_defer);
+    }
+}