| /* |
| * 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> |
| * |
| */ |
| |
| #define _GNU_SOURCE |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <errno.h> |
| |
| #include "test.h" |
| #include "safe_macros.h" |
| #include "old_module.h" |
| |
| #include "../tpci_kernel/tpci.h" |
| |
| char *TCID = "test_pci"; |
| int TST_TOTAL = PCI_TCASES_NUM; |
| |
| static const char module_name[] = PCI_DEVICE_NAME ".ko"; |
| static const char dev_result[] = "/sys/devices/" PCI_DEVICE_NAME "/result"; |
| static const char dev_tcase[] = "/sys/devices/" PCI_DEVICE_NAME "/tcase"; |
| static const char dev_busslot[] = "/sys/devices/" PCI_DEVICE_NAME "/bus_slot"; |
| static int module_loaded; |
| |
| static void cleanup(void) |
| { |
| if (module_loaded) |
| tst_module_unload(NULL, module_name); |
| } |
| |
| void setup(void) |
| { |
| tst_require_root(); |
| |
| 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 run_pci_testcases(int bus, int slot) |
| { |
| int i, res; |
| for (i = 0; i < TST_TOTAL; ++i) { |
| /* skip pci disable test-case, it is manual */ |
| if (i == PCI_DISABLE) |
| continue; |
| |
| SAFE_FILE_PRINTF(cleanup, dev_tcase, "%d", i); |
| SAFE_FILE_SCANF(cleanup, dev_result, "%d", &res); |
| |
| tst_resm(res, "PCI bus %02x slot %02x : Test-case '%d'", |
| bus, slot, i); |
| } |
| } |
| |
| static void test_run(void) |
| { |
| tst_module_load(cleanup, module_name, NULL); |
| module_loaded = 1; |
| |
| char buf[6]; |
| int i, j, fd, count; |
| |
| for (i = 0; i < MAX_BUS; ++i) { |
| for (j = 0; j < MAX_DEVFN; ++j) { |
| /* set pci device for the test */ |
| fd = SAFE_OPEN(cleanup, dev_busslot, O_WRONLY); |
| count = snprintf(buf, 6, "%u", i << 8 | j); |
| errno = 0; |
| if (write(fd, buf, count) < 0) { |
| if (errno == ENODEV) { |
| SAFE_CLOSE(cleanup, fd); |
| continue; |
| } |
| tst_brkm(TBROK | TERRNO, cleanup, |
| "write to '%s' failed", dev_busslot); |
| } |
| SAFE_CLOSE(cleanup, fd); |
| |
| run_pci_testcases(i, j); |
| |
| } |
| } |
| } |
| |
| int main(void) |
| { |
| setup(); |
| |
| test_run(); |
| |
| cleanup(); |
| |
| tst_exit(); |
| } |