/*
* 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();
}