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/*
* Copyright (C) 2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "testutils.h"
#ifdef __linux__
# include <stdlib.h>
# define __VIR_COMMAND_PRIV_H_ALLOW__
# include "vircommandpriv.h"
# include "virkmod.h"
# include "virstring.h"
struct testInfo {
const char *module;
const char *exp_cmd;
bool useBlacklist;
};
# define VIR_FROM_THIS VIR_FROM_NONE
static int
testKModConfig(const void *args ATTRIBUTE_UNUSED)
{
int ret = -1;
char *outbuf = NULL;
/* This will return the contents of a 'modprobe -c' which can differ
* from machine to machine - be happy that we get something.
*/
outbuf = virKModConfig();
if (!outbuf) {
fprintf(stderr, "Failed to get config\n");
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(outbuf);
return ret;
}
static int
checkOutput(virBufferPtr buf, const char *exp_cmd)
{
int ret = -1;
char *actual_cmd = NULL;
if (!(actual_cmd = virBufferContentAndReset(buf))) {
int err = virBufferError(buf);
if (err)
fprintf(stderr, "buffer's in error state: %d", err);
else
fprintf(stderr, "cannot compare buffer to exp: %s", exp_cmd);
goto cleanup;
}
if (STRNEQ(exp_cmd, actual_cmd)) {
virtTestDifference(stderr, exp_cmd, actual_cmd);
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(actual_cmd);
return ret;
}
static int
testKModLoad(const void *args)
{
int ret = -1;
char *errbuf = NULL;
const struct testInfo *info = args;
const char *module = info->module;
bool useBlacklist = info->useBlacklist;
virBuffer buf = VIR_BUFFER_INITIALIZER;
virCommandSetDryRun(&buf, NULL, NULL);
errbuf = virKModLoad(module, useBlacklist);
if (errbuf) {
fprintf(stderr, "Failed to load, error: %s\n", errbuf);
goto cleanup;
}
if (checkOutput(&buf, info->exp_cmd) < 0)
goto cleanup;
ret = 0;
cleanup:
virCommandSetDryRun(NULL, NULL, NULL);
VIR_FREE(errbuf);
return ret;
}
static int
testKModUnload(const void *args)
{
int ret = -1;
char *errbuf = NULL;
const struct testInfo *info = args;
const char *module = info->module;
virBuffer buf = VIR_BUFFER_INITIALIZER;
virCommandSetDryRun(&buf, NULL, NULL);
errbuf = virKModUnload(module);
if (errbuf) {
fprintf(stderr, "Failed to unload, error: %s\n", errbuf);
goto cleanup;
}
if (checkOutput(&buf, info->exp_cmd) < 0)
goto cleanup;
ret = 0;
cleanup:
virCommandSetDryRun(NULL, NULL, NULL);
VIR_FREE(errbuf);
return ret;
}
static int
mymain(void)
{
int ret = 0;
if (virtTestRun("config", testKModConfig, NULL) < 0)
ret = -1;
/* Although we cannot run the command on the host, we can compare
* the output of the created command against what we'd expect to be
* created. So let's at least do that.
*/
# define DO_TEST(_name, _cb, _blkflag, _exp_cmd) \
do { \
struct testInfo data = {.module = "vfio-pci", \
.exp_cmd = _exp_cmd, \
.useBlacklist = _blkflag}; \
if (virtTestRun(_name, _cb, &data) < 0) \
ret = -1; \
} while (0)
DO_TEST("load", testKModLoad, false, MODPROBE " vfio-pci\n");
DO_TEST("unload", testKModUnload, false, RMMOD " vfio-pci\n");
DO_TEST("blklist", testKModLoad, true, MODPROBE " -b vfio-pci\n");
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIRT_TEST_MAIN(mymain);
#else
int
main(void)
{
return EXIT_AM_SKIP;
}
#endif
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