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