kvm-unit-tests/s390x/migration-skey.c

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * Storage Key migration tests
6  * - sequential: set storage keys on some pages, migrates the VM and then
8  * - parallel: start migration and set and check storage keys on some
9  *   pages while migration is in process.
28 	union skey expected_key;
29 	union skey actual_key;
53  * XOR-ing that with the given seed and then multipling the result with two.
87 	union skey expected_key, actual_key;  in verify_test_pattern()
123 	if (result->verify_failed)  in report_verify_result()
124 		report_fail("page skey mismatch: first page idx = %lu, addr = 0x%lx, "  in report_verify_result()
126 			    result->page_mismatch_idx, result->page_mismatch_addr,  in report_verify_result()
127 			    result->expected_key.val, result->actual_key.val);  in report_verify_result()
155 		 * we left off and can do an additional verify round after migration finished.  in set_skeys_thread()
168 	report_prefix_push("parallel");  in test_skey_migration_parallel()
189 	report_prefix_push("during migration");  in test_skey_migration_parallel()
196 	 * To be sure, make another verification round after the migration  in test_skey_migration_parallel()
200 	report_prefix_push("after migration");  in test_skey_migration_parallel()
202 	result = verify_test_pattern(thread_iters - 1);  in test_skey_migration_parallel()
212 	report_info("Usage: migration-skey [--parallel|--sequential]");  in print_usage()
223 	if (!strcmp("--parallel", argv[1]))  in parse_args()
225 	else if (!strcmp("--sequential", argv[1]))  in parse_args()
233 	report_prefix_push("migration-skey");  in main()