441 lines
9.6 KiB
C
441 lines
9.6 KiB
C
|
/*
|
||
|
|
* 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 <linux/random.h>
|
||
|
|
|
||
|
|
#include "gt/intel_gt_pm.h"
|
||
|
|
#include "i915_driver.h"
|
||
|
|
#include "i915_drv.h"
|
||
|
|
#include "i915_selftest.h"
|
||
|
|
|
||
|
|
#include "igt_flush_test.h"
|
||
|
|
|
||
|
|
struct i915_selftest i915_selftest __read_mostly = {
|
||
|
|
.timeout_ms = 500,
|
||
|
|
};
|
||
|
|
|
||
|
|
int i915_mock_sanitycheck(void)
|
||
|
|
{
|
||
|
|
pr_info(DRIVER_NAME ": %s() - ok!\n", __func__);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int i915_live_sanitycheck(struct drm_i915_private *i915)
|
||
|
|
{
|
||
|
|
pr_info("%s: %s() - ok!\n", i915->drm.driver->name, __func__);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
enum {
|
||
|
|
#define selftest(name, func) mock_##name,
|
||
|
|
#include "i915_mock_selftests.h"
|
||
|
|
#undef selftest
|
||
|
|
};
|
||
|
|
|
||
|
|
enum {
|
||
|
|
#define selftest(name, func) live_##name,
|
||
|
|
#include "i915_live_selftests.h"
|
||
|
|
#undef selftest
|
||
|
|
};
|
||
|
|
|
||
|
|
enum {
|
||
|
|
#define selftest(name, func) perf_##name,
|
||
|
|
#include "i915_perf_selftests.h"
|
||
|
|
#undef selftest
|
||
|
|
};
|
||
|
|
|
||
|
|
struct selftest {
|
||
|
|
bool enabled;
|
||
|
|
const char *name;
|
||
|
|
union {
|
||
|
|
int (*mock)(void);
|
||
|
|
int (*live)(struct drm_i915_private *);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
#define selftest(n, f) [mock_##n] = { .name = #n, { .mock = f } },
|
||
|
|
static struct selftest mock_selftests[] = {
|
||
|
|
#include "i915_mock_selftests.h"
|
||
|
|
};
|
||
|
|
#undef selftest
|
||
|
|
|
||
|
|
#define selftest(n, f) [live_##n] = { .name = #n, { .live = f } },
|
||
|
|
static struct selftest live_selftests[] = {
|
||
|
|
#include "i915_live_selftests.h"
|
||
|
|
};
|
||
|
|
#undef selftest
|
||
|
|
|
||
|
|
#define selftest(n, f) [perf_##n] = { .name = #n, { .live = f } },
|
||
|
|
static struct selftest perf_selftests[] = {
|
||
|
|
#include "i915_perf_selftests.h"
|
||
|
|
};
|
||
|
|
#undef selftest
|
||
|
|
|
||
|
|
/* Embed the line number into the parameter name so that we can order tests */
|
||
|
|
#define selftest(n, func) selftest_0(n, func, param(n))
|
||
|
|
#define param(n) __PASTE(igt__, __PASTE(__LINE__, __mock_##n))
|
||
|
|
#define selftest_0(n, func, id) \
|
||
|
|
module_param_named(id, mock_selftests[mock_##n].enabled, bool, 0400);
|
||
|
|
#include "i915_mock_selftests.h"
|
||
|
|
#undef selftest_0
|
||
|
|
#undef param
|
||
|
|
|
||
|
|
#define param(n) __PASTE(igt__, __PASTE(__LINE__, __live_##n))
|
||
|
|
#define selftest_0(n, func, id) \
|
||
|
|
module_param_named(id, live_selftests[live_##n].enabled, bool, 0400);
|
||
|
|
#include "i915_live_selftests.h"
|
||
|
|
#undef selftest_0
|
||
|
|
#undef param
|
||
|
|
|
||
|
|
#define param(n) __PASTE(igt__, __PASTE(__LINE__, __perf_##n))
|
||
|
|
#define selftest_0(n, func, id) \
|
||
|
|
module_param_named(id, perf_selftests[perf_##n].enabled, bool, 0400);
|
||
|
|
#include "i915_perf_selftests.h"
|
||
|
|
#undef selftest_0
|
||
|
|
#undef param
|
||
|
|
#undef selftest
|
||
|
|
|
||
|
|
static void set_default_test_all(struct selftest *st, unsigned int count)
|
||
|
|
{
|
||
|
|
unsigned int i;
|
||
|
|
|
||
|
|
for (i = 0; i < count; i++)
|
||
|
|
if (st[i].enabled)
|
||
|
|
return;
|
||
|
|
|
||
|
|
for (i = 0; i < count; i++)
|
||
|
|
st[i].enabled = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __run_selftests(const char *name,
|
||
|
|
struct selftest *st,
|
||
|
|
unsigned int count,
|
||
|
|
void *data)
|
||
|
|
{
|
||
|
|
int err = 0;
|
||
|
|
|
||
|
|
while (!i915_selftest.random_seed)
|
||
|
|
i915_selftest.random_seed = get_random_u32();
|
||
|
|
|
||
|
|
i915_selftest.timeout_jiffies =
|
||
|
|
i915_selftest.timeout_ms ?
|
||
|
|
msecs_to_jiffies_timeout(i915_selftest.timeout_ms) :
|
||
|
|
MAX_SCHEDULE_TIMEOUT;
|
||
|
|
|
||
|
|
set_default_test_all(st, count);
|
||
|
|
|
||
|
|
pr_info(DRIVER_NAME ": Performing %s selftests with st_random_seed=0x%x st_timeout=%u\n",
|
||
|
|
name, i915_selftest.random_seed, i915_selftest.timeout_ms);
|
||
|
|
|
||
|
|
/* Tests are listed in order in i915_*_selftests.h */
|
||
|
|
for (; count--; st++) {
|
||
|
|
if (!st->enabled)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
cond_resched();
|
||
|
|
if (signal_pending(current))
|
||
|
|
return -EINTR;
|
||
|
|
|
||
|
|
pr_info(DRIVER_NAME ": Running %s\n", st->name);
|
||
|
|
if (data)
|
||
|
|
err = st->live(data);
|
||
|
|
else
|
||
|
|
err = st->mock();
|
||
|
|
if (err == -EINTR && !signal_pending(current))
|
||
|
|
err = 0;
|
||
|
|
if (err)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (WARN(err > 0 || err == -ENOTTY,
|
||
|
|
"%s returned %d, conflicting with selftest's magic values!\n",
|
||
|
|
st->name, err))
|
||
|
|
err = -1;
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define run_selftests(x, data) \
|
||
|
|
__run_selftests(#x, x##_selftests, ARRAY_SIZE(x##_selftests), data)
|
||
|
|
|
||
|
|
int i915_mock_selftests(void)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if (!i915_selftest.mock)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
err = run_selftests(mock, NULL);
|
||
|
|
if (err) {
|
||
|
|
i915_selftest.mock = err;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (i915_selftest.mock < 0) {
|
||
|
|
i915_selftest.mock = -ENOTTY;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int i915_live_selftests(struct pci_dev *pdev)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if (!i915_selftest.live)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
err = run_selftests(live, pdev_to_i915(pdev));
|
||
|
|
if (err) {
|
||
|
|
i915_selftest.live = err;
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (i915_selftest.live < 0) {
|
||
|
|
i915_selftest.live = -ENOTTY;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int i915_perf_selftests(struct pci_dev *pdev)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if (!i915_selftest.perf)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
err = run_selftests(perf, pdev_to_i915(pdev));
|
||
|
|
if (err) {
|
||
|
|
i915_selftest.perf = err;
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (i915_selftest.perf < 0) {
|
||
|
|
i915_selftest.perf = -ENOTTY;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static bool apply_subtest_filter(const char *caller, const char *name)
|
||
|
|
{
|
||
|
|
char *filter, *sep, *tok;
|
||
|
|
bool result = true;
|
||
|
|
|
||
|
|
filter = kstrdup(i915_selftest.filter, GFP_KERNEL);
|
||
|
|
for (sep = filter; (tok = strsep(&sep, ","));) {
|
||
|
|
bool allow = true;
|
||
|
|
char *sl;
|
||
|
|
|
||
|
|
if (*tok == '!') {
|
||
|
|
allow = false;
|
||
|
|
tok++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (*tok == '\0')
|
||
|
|
continue;
|
||
|
|
|
||
|
|
sl = strchr(tok, '/');
|
||
|
|
if (sl) {
|
||
|
|
*sl++ = '\0';
|
||
|
|
if (strcmp(tok, caller)) {
|
||
|
|
if (allow)
|
||
|
|
result = false;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
tok = sl;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (strcmp(tok, name)) {
|
||
|
|
if (allow)
|
||
|
|
result = false;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
result = allow;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
kfree(filter);
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
int __i915_nop_setup(void *data)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int __i915_nop_teardown(int err, void *data)
|
||
|
|
{
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
int __i915_live_setup(void *data)
|
||
|
|
{
|
||
|
|
struct drm_i915_private *i915 = data;
|
||
|
|
|
||
|
|
/* The selftests expect an idle system */
|
||
|
|
if (intel_gt_pm_wait_for_idle(to_gt(i915)))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
return intel_gt_terminally_wedged(to_gt(i915));
|
||
|
|
}
|
||
|
|
|
||
|
|
int __i915_live_teardown(int err, void *data)
|
||
|
|
{
|
||
|
|
struct drm_i915_private *i915 = data;
|
||
|
|
|
||
|
|
if (igt_flush_test(i915))
|
||
|
|
err = -EIO;
|
||
|
|
|
||
|
|
i915_gem_drain_freed_objects(i915);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
int __intel_gt_live_setup(void *data)
|
||
|
|
{
|
||
|
|
struct intel_gt *gt = data;
|
||
|
|
|
||
|
|
/* The selftests expect an idle system */
|
||
|
|
if (intel_gt_pm_wait_for_idle(gt))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
return intel_gt_terminally_wedged(gt);
|
||
|
|
}
|
||
|
|
|
||
|
|
int __intel_gt_live_teardown(int err, void *data)
|
||
|
|
{
|
||
|
|
struct intel_gt *gt = data;
|
||
|
|
|
||
|
|
if (igt_flush_test(gt->i915))
|
||
|
|
err = -EIO;
|
||
|
|
|
||
|
|
i915_gem_drain_freed_objects(gt->i915);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
int __i915_subtests(const char *caller,
|
||
|
|
int (*setup)(void *data),
|
||
|
|
int (*teardown)(int err, void *data),
|
||
|
|
const struct i915_subtest *st,
|
||
|
|
unsigned int count,
|
||
|
|
void *data)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
for (; count--; st++) {
|
||
|
|
cond_resched();
|
||
|
|
if (signal_pending(current))
|
||
|
|
return -EINTR;
|
||
|
|
|
||
|
|
if (!apply_subtest_filter(caller, st->name))
|
||
|
|
continue;
|
||
|
|
|
||
|
|
err = setup(data);
|
||
|
|
if (err) {
|
||
|
|
pr_err(DRIVER_NAME "/%s: setup failed for %s\n",
|
||
|
|
caller, st->name);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
pr_info(DRIVER_NAME ": Running %s/%s\n", caller, st->name);
|
||
|
|
GEM_TRACE("Running %s/%s\n", caller, st->name);
|
||
|
|
|
||
|
|
err = teardown(st->func(data), data);
|
||
|
|
if (err && err != -EINTR) {
|
||
|
|
pr_err(DRIVER_NAME "/%s: %s failed with error %d\n",
|
||
|
|
caller, st->name, err);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
|
||
|
|
{
|
||
|
|
va_list va;
|
||
|
|
|
||
|
|
if (!signal_pending(current)) {
|
||
|
|
cond_resched();
|
||
|
|
if (time_before(jiffies, timeout))
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fmt) {
|
||
|
|
va_start(va, fmt);
|
||
|
|
vprintk(fmt, va);
|
||
|
|
va_end(va);
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void igt_hexdump(const void *buf, size_t len)
|
||
|
|
{
|
||
|
|
const size_t rowsize = 8 * sizeof(u32);
|
||
|
|
const void *prev = NULL;
|
||
|
|
bool skip = false;
|
||
|
|
size_t pos;
|
||
|
|
|
||
|
|
for (pos = 0; pos < len; pos += rowsize) {
|
||
|
|
char line[128];
|
||
|
|
|
||
|
|
if (prev && !memcmp(prev, buf + pos, rowsize)) {
|
||
|
|
if (!skip) {
|
||
|
|
pr_info("*\n");
|
||
|
|
skip = true;
|
||
|
|
}
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
WARN_ON_ONCE(hex_dump_to_buffer(buf + pos, len - pos,
|
||
|
|
rowsize, sizeof(u32),
|
||
|
|
line, sizeof(line),
|
||
|
|
false) >= sizeof(line));
|
||
|
|
pr_info("[%04zx] %s\n", pos, line);
|
||
|
|
|
||
|
|
prev = buf + pos;
|
||
|
|
skip = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module_param_named(st_random_seed, i915_selftest.random_seed, uint, 0400);
|
||
|
|
module_param_named(st_timeout, i915_selftest.timeout_ms, uint, 0400);
|
||
|
|
module_param_named(st_filter, i915_selftest.filter, charp, 0400);
|
||
|
|
|
||
|
|
module_param_named_unsafe(mock_selftests, i915_selftest.mock, int, 0400);
|
||
|
|
MODULE_PARM_DESC(mock_selftests, "Run selftests before loading, using mock hardware (0:disabled [default], 1:run tests then load driver, -1:run tests then leave dummy module)");
|
||
|
|
|
||
|
|
module_param_named_unsafe(live_selftests, i915_selftest.live, int, 0400);
|
||
|
|
MODULE_PARM_DESC(live_selftests, "Run selftests after driver initialisation on the live system (0:disabled [default], 1:run tests then continue, -1:run tests then exit module)");
|
||
|
|
|
||
|
|
module_param_named_unsafe(perf_selftests, i915_selftest.perf, int, 0400);
|
||
|
|
MODULE_PARM_DESC(perf_selftests, "Run performance orientated selftests after driver initialisation on the live system (0:disabled [default], 1:run tests then continue, -1:run tests then exit module)");
|