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// SPDX-License-Identifier: MIT
/*
* Copyright © 2023 Intel Corporation
*/
/**
* TEST: xe sysfs defaults
* Category: Infrastructure
* Functionality: sysman defaults
* Sub-category: SysMan
* Test category: functionality test
* SUBTEST: engine-defaults
* Description: check if the sysfs engine .defaults node has all values.
*/
#include <dirent.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "igt.h"
#include "igt_sysfs.h"
#include "xe_drm.h"
#include "xe/xe_query.h"
static void test_defaults(int xe, int engine, const char **property)
{
struct dirent *de;
uint64_t property_value;
int defaults;
DIR *dir;
defaults = openat(engine, ".defaults", O_DIRECTORY);
igt_require(defaults != -1);
dir = fdopendir(engine);
while ((de = readdir(dir))) {
if (*de->d_name == '.')
continue;
igt_debug("Checking attr '%s'\n", de->d_name);
igt_assert_f(__igt_sysfs_get_u64(defaults, de->d_name, &property_value),
"Default value %s is not present!\n", de->d_name);
igt_debug("Default property:%s, value:0x%" PRId64 "\n", de->d_name, property_value);
igt_assert_f(!igt_sysfs_set(defaults, de->d_name, "garbage"),
"write into default value of %s succeeded!\n",
de->d_name);
}
closedir(dir);
}
igt_main
{
int xe, sys_fd;
int gt;
igt_fixture {
xe = drm_open_driver(DRIVER_XE);
xe_device_get(xe);
sys_fd = igt_sysfs_open(xe);
igt_require(sys_fd != -1);
close(sys_fd);
}
igt_subtest_with_dynamic("engine-defaults") {
xe_for_each_gt(xe, gt) {
int engines_fd = -1;
int gt_fd = -1;
gt_fd = xe_sysfs_gt_open(xe, gt);
igt_require(gt_fd != -1);
engines_fd = openat(gt_fd, "engines", O_RDONLY);
igt_require(engines_fd != -1);
igt_sysfs_engines(xe, engines_fd, NULL, test_defaults);
close(engines_fd);
close(gt_fd);
}
}
igt_fixture {
xe_device_put(xe);
close(xe);
}
}
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