tests/qtest/migration: Add tests for mapped-ram file-based migration

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240229153017.2221-12-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>

tests/qtest/migration-test.c

@@ -2200,6 +2200,14 @@ static void *test_mode_reboot_start(QTestState *from, QTestState *to)
     return NULL;
 }
 
+static void *migrate_mapped_ram_start(QTestState *from, QTestState *to)
+{
+    migrate_set_capability(from, "mapped-ram", true);
+    migrate_set_capability(to, "mapped-ram", true);
+
+    return NULL;
+}
+
 static void test_mode_reboot(void)
 {
     g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs,
@@ -2214,6 +2222,32 @@ static void test_mode_reboot(void)
     test_file_common(&args, true);
 }
 
+static void test_precopy_file_mapped_ram_live(void)
+{
+    g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs,
+                                           FILE_TEST_FILENAME);
+    MigrateCommon args = {
+        .connect_uri = uri,
+        .listen_uri = "defer",
+        .start_hook = migrate_mapped_ram_start,
+    };
+
+    test_file_common(&args, false);
+}
+
+static void test_precopy_file_mapped_ram(void)
+{
+    g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs,
+                                           FILE_TEST_FILENAME);
+    MigrateCommon args = {
+        .connect_uri = uri,
+        .listen_uri = "defer",
+        .start_hook = migrate_mapped_ram_start,
+    };
+
+    test_file_common(&args, true);
+}
+
 static void test_precopy_tcp_plain(void)
 {
     MigrateCommon args = {
@@ -2462,6 +2496,13 @@ static void *migrate_precopy_fd_file_start(QTestState *from, QTestState *to)
     return NULL;
 }
 
+static void *migrate_fd_file_mapped_ram_start(QTestState *from, QTestState *to)
+{
+    migrate_mapped_ram_start(from, to);
+
+    return migrate_precopy_fd_file_start(from, to);
+}
+
 static void test_migrate_precopy_fd_file(void)
 {
     MigrateCommon args = {
@@ -2472,6 +2513,17 @@ static void test_migrate_precopy_fd_file(void)
     };
     test_file_common(&args, true);
 }
+
+static void test_migrate_precopy_fd_file_mapped_ram(void)
+{
+    MigrateCommon args = {
+        .listen_uri = "defer",
+        .connect_uri = "fd:fd-mig",
+        .start_hook = migrate_fd_file_mapped_ram_start,
+        .finish_hook = test_migrate_fd_finish_hook
+    };
+    test_file_common(&args, true);
+}
 #endif /* _WIN32 */
 
 static void do_test_validate_uuid(MigrateStart *args, bool should_fail)
@@ -3519,6 +3571,11 @@ int main(int argc, char **argv)
         migration_test_add("/migration/mode/reboot", test_mode_reboot);
     }
 
+    migration_test_add("/migration/precopy/file/mapped-ram",
+                       test_precopy_file_mapped_ram);
+    migration_test_add("/migration/precopy/file/mapped-ram/live",
+                       test_precopy_file_mapped_ram_live);
+
 #ifdef CONFIG_GNUTLS
     migration_test_add("/migration/precopy/unix/tls/psk",
                        test_precopy_unix_tls_psk);
@@ -3580,6 +3637,8 @@ int main(int argc, char **argv)
                        test_migrate_precopy_fd_socket);
     migration_test_add("/migration/precopy/fd/file",
                        test_migrate_precopy_fd_file);
+    migration_test_add("/migration/precopy/fd/file/mapped-ram",
+                       test_migrate_precopy_fd_file_mapped_ram);
 #endif
     migration_test_add("/migration/validate_uuid", test_validate_uuid);
     migration_test_add("/migration/validate_uuid_error",