118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/*
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* Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Author: Alexey Kodanev <alexey.kodanev@oracle.com>
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*
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include "test.h"
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#include "safe_macros.h"
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#include "old_module.h"
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#include "../tpci_kernel/tpci.h"
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char *TCID = "test_pci";
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int TST_TOTAL = PCI_TCASES_NUM;
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static const char module_name[] = PCI_DEVICE_NAME ".ko";
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static const char dev_result[] = "/sys/devices/" PCI_DEVICE_NAME "/result";
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static const char dev_tcase[] = "/sys/devices/" PCI_DEVICE_NAME "/tcase";
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static const char dev_busslot[] = "/sys/devices/" PCI_DEVICE_NAME "/bus_slot";
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static int module_loaded;
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static void cleanup(void)
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{
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if (module_loaded)
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tst_module_unload(NULL, module_name);
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}
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void setup(void)
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{
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tst_require_root();
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if (tst_kvercmp(2, 6, 0) < 0) {
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tst_brkm(TCONF, NULL,
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"Test must be run with kernel 2.6 or newer");
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}
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tst_sig(FORK, DEF_HANDLER, cleanup);
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}
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static void run_pci_testcases(int bus, int slot)
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{
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int i, res;
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for (i = 0; i < TST_TOTAL; ++i) {
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/* skip pci disable test-case, it is manual */
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if (i == PCI_DISABLE)
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continue;
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SAFE_FILE_PRINTF(cleanup, dev_tcase, "%d", i);
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SAFE_FILE_SCANF(cleanup, dev_result, "%d", &res);
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tst_resm(res, "PCI bus %02x slot %02x : Test-case '%d'",
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bus, slot, i);
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}
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}
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static void test_run(void)
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{
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tst_module_load(cleanup, module_name, NULL);
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module_loaded = 1;
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char buf[6];
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int i, j, fd, count;
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for (i = 0; i < MAX_BUS; ++i) {
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for (j = 0; j < MAX_DEVFN; ++j) {
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/* set pci device for the test */
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fd = SAFE_OPEN(cleanup, dev_busslot, O_WRONLY);
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count = snprintf(buf, 6, "%u", i << 8 | j);
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errno = 0;
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if (write(fd, buf, count) < 0) {
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if (errno == ENODEV) {
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SAFE_CLOSE(cleanup, fd);
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continue;
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}
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tst_brkm(TBROK | TERRNO, cleanup,
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"write to '%s' failed", dev_busslot);
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}
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SAFE_CLOSE(cleanup, fd);
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run_pci_testcases(i, j);
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}
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}
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}
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int main(void)
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{
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setup();
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test_run();
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cleanup();
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tst_exit();
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}
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