| /* |
| * 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 device firmware loading. |
| */ |
| |
| #define _GNU_SOURCE |
| #include <sys/utsname.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <string.h> |
| |
| #include "test.h" |
| #include "safe_macros.h" |
| #include "tst_module.h" |
| |
| /* number of test firmware files */ |
| #define FW_FILES 5 |
| |
| char *TCID = "fw_load"; |
| int TST_TOTAL = FW_FILES; |
| |
| static int fw_size = 0x1000; |
| |
| static const char fw_name[] = "load_tst.fw"; |
| static const char module_name[] = "ltp_fw_load.ko"; |
| |
| /* paths to module's sysfs files */ |
| static const char dev_fwnum[] = "/sys/devices/ltp_fw_load/fwnum"; |
| static const char dev_result[] = "/sys/devices/ltp_fw_load/result"; |
| |
| struct fw_file_info { |
| char *file; |
| char *dir; |
| int fake; |
| int remove_dir; |
| int remove_file; |
| }; |
| |
| static struct fw_file_info fw[FW_FILES]; |
| static int fw_num; |
| |
| /* test options */ |
| static char *narg; |
| static int nflag; |
| static int skip_cleanup; |
| static int verbose; |
| static const option_t options[] = { |
| {"n:", &nflag, &narg}, |
| {"s", &skip_cleanup, NULL}, |
| {"v", &verbose, NULL}, |
| {NULL, NULL, NULL} |
| }; |
| |
| static void help(void); |
| static void setup(int argc, char *argv[]); |
| static void test_run(void); |
| static void cleanup(void); |
| |
| /* |
| * create firmware files in the fw_paths |
| * @fw_paths: it must be termintated by a NULL pointer |
| */ |
| static void create_firmware(char *const fw_paths[]); |
| |
| int main(int argc, char *argv[]) |
| { |
| setup(argc, argv); |
| |
| test_run(); |
| |
| cleanup(); |
| |
| tst_exit(); |
| } |
| |
| static void help(void) |
| { |
| printf(" -n x Write x bytes to firmware file, default is %d\n", |
| fw_size); |
| printf(" -s Skip cleanup\n"); |
| printf(" -v Verbose\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); |
| |
| if (nflag) { |
| if (sscanf(narg, "%i", &fw_size) != 1) |
| tst_brkm(TBROK, NULL, "-n option arg is not a number"); |
| if (fw_size < 0) |
| tst_brkm(TBROK, NULL, "-n option arg is less than 0"); |
| } |
| |
| tst_require_root(NULL); |
| |
| if (tst_kvercmp(3, 7, 0) < 0) { |
| tst_brkm(TCONF, NULL, |
| "Test must be run with kernel 3.7 or newer"); |
| } |
| |
| char fw_size_param[19]; |
| snprintf(fw_size_param, 19, "fw_size=%d", fw_size); |
| char *const mod_params[2] = { fw_size_param, NULL }; |
| tst_module_load(NULL, module_name, mod_params); |
| |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| |
| /* get current Linux version and make firmware paths */ |
| struct utsname uts_name; |
| uname(&uts_name); |
| |
| /* 4 firmware paths + NULL */ |
| char *fw_paths[5] = { "/lib/firmware", "/lib/firmware/updates" }; |
| SAFE_ASPRINTF(cleanup, &fw_paths[2], "%s/%s", fw_paths[0], uts_name.release); |
| SAFE_ASPRINTF(cleanup, &fw_paths[3], "%s/%s", fw_paths[1], uts_name.release); |
| |
| /* create firmware in the hard coded firmware search paths */ |
| create_firmware(fw_paths); |
| |
| free(fw_paths[2]); |
| free(fw_paths[3]); |
| |
| /* make non-existent firmware file */ |
| SAFE_ASPRINTF(cleanup, &fw[fw_num].file, "/n%d_%s", fw_num, fw_name); |
| fw[fw_num].fake = 1; |
| ++fw_num; |
| } |
| |
| static void test_run(void) |
| { |
| /* initiate firmware requests */ |
| SAFE_FILE_PRINTF(cleanup, dev_fwnum, "%d", fw_num); |
| |
| /* get module results by reading result bit mask */ |
| int result = 0; |
| SAFE_FILE_SCANF(cleanup, dev_result, "%d", &result); |
| |
| int i, fail, offset; |
| for (i = 0; i < fw_num; ++i) { |
| fail = (result & (1 << i)) == 0 && !fw[i].fake; |
| offset = (fw[i].dir) ? strlen(fw[i].dir) : 0; |
| tst_resm((fail) ? TFAIL : TPASS, |
| "Expect: %s load firmware '...%s'", |
| (fw[i].fake) ? "can't" : "can", |
| fw[i].file + offset); |
| } |
| } |
| |
| static void cleanup(void) |
| { |
| if (skip_cleanup) |
| return; |
| |
| int i; |
| /* remove subdirs first and then upper level dirs */ |
| for (i = fw_num - 1; i >= 0; --i) { |
| if (fw[i].remove_file && remove(fw[i].file) == -1) |
| tst_resm(TWARN, "Can't remove: %s", fw[i].file); |
| free(fw[i].file); |
| |
| if (fw[i].remove_dir && remove(fw[i].dir) == -1) |
| tst_resm(TWARN, "Can't remove %s", fw[i].dir); |
| free(fw[i].dir); |
| } |
| |
| tst_module_unload(NULL, module_name); |
| } |
| |
| static void create_firmware(char *const fw_paths[]) |
| { |
| int i = 0; |
| while (fw_paths[i] != NULL) { |
| struct fw_file_info *fi = &fw[fw_num]; |
| fi->dir = strdup(fw_paths[i]); |
| if (access(fi->dir, X_OK) == -1) { |
| /* create dir */ |
| SAFE_MKDIR(cleanup, fi->dir, 0755); |
| fi->remove_dir = 1; |
| } |
| |
| /* create test firmware file */ |
| SAFE_ASPRINTF(cleanup, &fi->file, "%s/n%d_%s", fi->dir, fw_num, fw_name); |
| |
| FILE *f = SAFE_FOPEN(cleanup, fi->file, "w"); |
| fi->remove_file = 1; |
| int k, byte = fw_num; |
| ++fw_num; |
| for (k = 0; k < fw_size; ++k) |
| fputc(byte, f); |
| SAFE_FCLOSE(cleanup, f); |
| ++i; |
| } |
| } |