| /* |
| * Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| * Author: Alexey Kodanev <alexey.kodanev@oracle.com> |
| * |
| * Test checks block device kernel API. |
| */ |
| |
| #define _GNU_SOURCE |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <string.h> |
| |
| #include "test.h" |
| #include "safe_macros.h" |
| #include "tst_module.h" |
| |
| char *TCID = "block_dev"; |
| int TST_TOTAL = 9; |
| |
| static const char module_name[] = "ltp_block_dev.ko"; |
| static const char dev_result[] = "/sys/devices/ltp_block_dev/result"; |
| static const char dev_tcase[] = "/sys/devices/ltp_block_dev/tcase"; |
| static int module_loaded; |
| |
| static int run_all_testcases; |
| static const option_t options[] = { |
| {"a", &run_all_testcases, NULL}, |
| {NULL, NULL, NULL} |
| }; |
| |
| static void cleanup(void) |
| { |
| if (module_loaded) |
| tst_module_unload(NULL, module_name); |
| } |
| |
| static void help(void) |
| { |
| printf(" -a Run all test-cases (can crash the kernel)\n"); |
| } |
| |
| void setup(int argc, char *argv[]) |
| { |
| const char *msg; |
| msg = parse_opts(argc, argv, options, help); |
| if (msg != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| tst_require_root(NULL); |
| |
| if (tst_kvercmp(2, 6, 0) < 0) { |
| tst_brkm(TCONF, NULL, |
| "Test must be run with kernel 2.6 or newer"); |
| } |
| |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| } |
| |
| static void test_run(void) |
| { |
| int off = 0; |
| /* |
| * test-cases #8 and #9 can crash the kernel. |
| * We have to wait for kernel fix where register_blkdev() & |
| * unregister_blkdev() checks the input device name parameter |
| * against NULL pointer. |
| */ |
| if (!run_all_testcases) |
| off = 2; |
| |
| tst_module_load(cleanup, module_name, NULL); |
| module_loaded = 1; |
| |
| int i, pass = 0; |
| for (i = 0; i < TST_TOTAL - off; ++i) { |
| SAFE_FILE_PRINTF(cleanup, dev_tcase, "%d", i + 1); |
| SAFE_FILE_SCANF(cleanup, dev_result, "%d", &pass); |
| tst_resm((pass) ? TPASS : TFAIL, "Test-case '%d'", i + 1); |
| } |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| setup(argc, argv); |
| |
| test_run(); |
| |
| cleanup(); |
| |
| tst_exit(); |
| } |