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/*
* Copyright © 2016 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "igt.h"
#include <libkmod.h>
IGT_TEST_DESCRIPTION("Basic sanity check of DRM's range manager (struct drm_mm)");
static void squelch(void *data, int priority,
const char *file, int line, const char *fn,
const char *format, va_list args)
{
}
static void kmsg_dump(int fd)
{
FILE *file;
file = NULL;
if (fd != -1)
file = fdopen(fd, "r");
if (file) {
size_t len = 0;
char *line = NULL;
while (getline(&line, &len, file) != -1) {
char *start = strchr(line, ':');
if (start)
igt_warn("%s", start + 2);
}
free(line);
fclose(file);
} else {
igt_warn("Unable to retrieve kernel log (from /dev/kmsg)\n");
}
}
static void igt_kselftests(const char *module_name)
{
struct kmod_ctx *ctx;
struct kmod_module *kmod;
struct kmod_list *d, *pre;
int err, kmsg = -1;
ctx = kmod_new(NULL, NULL);
igt_assert(ctx != NULL);
kmod_set_log_fn(ctx, squelch, NULL);
igt_require(kmod_module_new_from_name(ctx, module_name, &kmod) == 0);
igt_fixture {
err = kmod_module_remove_module(kmod, KMOD_REMOVE_FORCE);
igt_require(err == 0 || err == -ENOENT);
kmsg = open("/dev/kmsg", O_RDONLY | O_NONBLOCK);
}
pre = NULL;
if (kmod_module_get_info(kmod, &pre)) {
kmod_list_foreach(d, pre) {
const char *key, *val;
char *option, *colon;
key = kmod_module_info_get_key(d);
if (strcmp(key, "parmtype"))
continue;
val = kmod_module_info_get_value(d);
if (!val || strncmp(val, "subtest__", 9))
continue;
option = strdup(val);
colon = strchr(option, ':');
*colon = '\0';
igt_subtest_f("%s", option + 9) {
lseek(kmsg, 0, SEEK_END);
strcpy(colon, "=1");
err = 0;
if (kmod_module_insert_module(kmod, 0, option))
err = -errno;
kmod_module_remove_module(kmod, 0);
if (err)
kmsg_dump(kmsg);
errno = 0;
igt_assert_f(err == 0,
"kselftest \"%s %s\" failed: %s [%d]\n",
module_name, option,
strerror(-err), -err);
}
}
kmod_module_info_free_list(pre);
}
igt_fixture {
close(kmsg);
kmod_module_remove_module(kmod, KMOD_REMOVE_FORCE);
}
}
igt_main
{
igt_kselftests("test-drm_mm");
}
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