Alexey Kodanev | 4970a2f | 2013-10-02 13:23:50 +0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License as |
| 6 | * published by the Free Software Foundation; either version 2 of |
| 7 | * the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | * |
| 18 | * Author: Alexey Kodanev <alexey.kodanev@oracle.com> |
| 19 | * |
| 20 | * Test checks block device kernel API. |
| 21 | */ |
| 22 | |
| 23 | #define _GNU_SOURCE |
| 24 | #include <stdio.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <unistd.h> |
| 27 | #include <string.h> |
| 28 | |
| 29 | #include "test.h" |
Alexey Kodanev | 4970a2f | 2013-10-02 13:23:50 +0400 | [diff] [blame] | 30 | #include "safe_macros.h" |
| 31 | #include "tst_module.h" |
| 32 | |
| 33 | char *TCID = "block_dev"; |
| 34 | int TST_TOTAL = 9; |
| 35 | |
| 36 | static const char module_name[] = "ltp_block_dev.ko"; |
| 37 | static const char dev_result[] = "/sys/devices/ltp_block_dev/result"; |
| 38 | static const char dev_tcase[] = "/sys/devices/ltp_block_dev/tcase"; |
| 39 | static int module_loaded; |
| 40 | |
| 41 | static int run_all_testcases; |
| 42 | static const option_t options[] = { |
| 43 | {"a", &run_all_testcases, NULL}, |
| 44 | {NULL, NULL, NULL} |
| 45 | }; |
| 46 | |
| 47 | static void cleanup(void) |
| 48 | { |
| 49 | if (module_loaded) |
| 50 | tst_module_unload(NULL, module_name); |
Alexey Kodanev | 4970a2f | 2013-10-02 13:23:50 +0400 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | static void help(void) |
| 54 | { |
| 55 | printf(" -a Run all test-cases (can crash the kernel)\n"); |
| 56 | } |
| 57 | |
| 58 | void setup(int argc, char *argv[]) |
| 59 | { |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 60 | const char *msg; |
Alexey Kodanev | 4970a2f | 2013-10-02 13:23:50 +0400 | [diff] [blame] | 61 | msg = parse_opts(argc, argv, options, help); |
| 62 | if (msg != NULL) |
| 63 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| 64 | |
| 65 | tst_require_root(NULL); |
| 66 | |
| 67 | if (tst_kvercmp(2, 6, 0) < 0) { |
| 68 | tst_brkm(TCONF, NULL, |
| 69 | "Test must be run with kernel 2.6 or newer"); |
| 70 | } |
| 71 | |
| 72 | tst_sig(FORK, DEF_HANDLER, cleanup); |
| 73 | } |
| 74 | |
| 75 | static void test_run(void) |
| 76 | { |
| 77 | int off = 0; |
| 78 | /* |
| 79 | * test-cases #8 and #9 can crash the kernel. |
| 80 | * We have to wait for kernel fix where register_blkdev() & |
| 81 | * unregister_blkdev() checks the input device name parameter |
| 82 | * against NULL pointer. |
| 83 | */ |
| 84 | if (!run_all_testcases) |
| 85 | off = 2; |
| 86 | |
| 87 | tst_module_load(cleanup, module_name, NULL); |
| 88 | module_loaded = 1; |
| 89 | |
| 90 | int i, pass = 0; |
| 91 | for (i = 0; i < TST_TOTAL - off; ++i) { |
| 92 | SAFE_FILE_PRINTF(cleanup, dev_tcase, "%d", i + 1); |
| 93 | SAFE_FILE_SCANF(cleanup, dev_result, "%d", &pass); |
| 94 | tst_resm((pass) ? TPASS : TFAIL, "Test-case '%d'", i + 1); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | int main(int argc, char *argv[]) |
| 99 | { |
| 100 | setup(argc, argv); |
| 101 | |
| 102 | test_run(); |
| 103 | |
| 104 | cleanup(); |
| 105 | |
| 106 | tst_exit(); |
| 107 | } |