253 lines
6.1 KiB
C
253 lines
6.1 KiB
C
/*
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* Copyright © 2016 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <linux/random.h>
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#include "../i915_drv.h"
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#include "../i915_selftest.h"
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struct i915_selftest i915_selftest __read_mostly = {
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.timeout_ms = 1000,
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};
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int i915_mock_sanitycheck(void)
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{
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pr_info(DRIVER_NAME ": %s() - ok!\n", __func__);
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return 0;
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}
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int i915_live_sanitycheck(struct drm_i915_private *i915)
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{
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pr_info("%s: %s() - ok!\n", i915->drm.driver->name, __func__);
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return 0;
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}
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enum {
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#define selftest(name, func) mock_##name,
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#include "i915_mock_selftests.h"
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#undef selftest
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};
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enum {
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#define selftest(name, func) live_##name,
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#include "i915_live_selftests.h"
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#undef selftest
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};
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struct selftest {
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bool enabled;
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const char *name;
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union {
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int (*mock)(void);
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int (*live)(struct drm_i915_private *);
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};
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};
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#define selftest(n, f) [mock_##n] = { .name = #n, { .mock = f } },
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static struct selftest mock_selftests[] = {
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#include "i915_mock_selftests.h"
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};
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#undef selftest
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#define selftest(n, f) [live_##n] = { .name = #n, { .live = f } },
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static struct selftest live_selftests[] = {
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#include "i915_live_selftests.h"
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};
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#undef selftest
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/* Embed the line number into the parameter name so that we can order tests */
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#define selftest(n, func) selftest_0(n, func, param(n))
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#define param(n) __PASTE(igt__, __PASTE(__LINE__, __mock_##n))
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#define selftest_0(n, func, id) \
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module_param_named(id, mock_selftests[mock_##n].enabled, bool, 0400);
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#include "i915_mock_selftests.h"
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#undef selftest_0
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#undef param
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#define param(n) __PASTE(igt__, __PASTE(__LINE__, __live_##n))
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#define selftest_0(n, func, id) \
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module_param_named(id, live_selftests[live_##n].enabled, bool, 0400);
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#include "i915_live_selftests.h"
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#undef selftest_0
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#undef param
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#undef selftest
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static void set_default_test_all(struct selftest *st, unsigned int count)
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{
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unsigned int i;
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for (i = 0; i < count; i++)
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if (st[i].enabled)
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return;
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for (i = 0; i < count; i++)
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st[i].enabled = true;
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}
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static int __run_selftests(const char *name,
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struct selftest *st,
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unsigned int count,
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void *data)
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{
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int err = 0;
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while (!i915_selftest.random_seed)
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i915_selftest.random_seed = get_random_int();
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i915_selftest.timeout_jiffies =
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i915_selftest.timeout_ms ?
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msecs_to_jiffies_timeout(i915_selftest.timeout_ms) :
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MAX_SCHEDULE_TIMEOUT;
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set_default_test_all(st, count);
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pr_info(DRIVER_NAME ": Performing %s selftests with st_random_seed=0x%x st_timeout=%u\n",
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name, i915_selftest.random_seed, i915_selftest.timeout_ms);
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/* Tests are listed in order in i915_*_selftests.h */
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for (; count--; st++) {
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if (!st->enabled)
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continue;
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cond_resched();
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if (signal_pending(current))
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return -EINTR;
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pr_debug(DRIVER_NAME ": Running %s\n", st->name);
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if (data)
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err = st->live(data);
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else
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err = st->mock();
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if (err == -EINTR && !signal_pending(current))
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err = 0;
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if (err)
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break;
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}
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if (WARN(err > 0 || err == -ENOTTY,
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"%s returned %d, conflicting with selftest's magic values!\n",
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st->name, err))
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err = -1;
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return err;
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}
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#define run_selftests(x, data) \
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__run_selftests(#x, x##_selftests, ARRAY_SIZE(x##_selftests), data)
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int i915_mock_selftests(void)
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{
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int err;
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if (!i915_selftest.mock)
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return 0;
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err = run_selftests(mock, NULL);
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if (err) {
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i915_selftest.mock = err;
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return err;
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}
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if (i915_selftest.mock < 0) {
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i915_selftest.mock = -ENOTTY;
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return 1;
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}
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return 0;
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}
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int i915_live_selftests(struct pci_dev *pdev)
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{
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int err;
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if (!i915_selftest.live)
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return 0;
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err = run_selftests(live, to_i915(pci_get_drvdata(pdev)));
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if (err) {
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i915_selftest.live = err;
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return err;
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}
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if (i915_selftest.live < 0) {
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i915_selftest.live = -ENOTTY;
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return 1;
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}
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return 0;
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}
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int __i915_subtests(const char *caller,
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const struct i915_subtest *st,
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unsigned int count,
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void *data)
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{
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int err;
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for (; count--; st++) {
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cond_resched();
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if (signal_pending(current))
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return -EINTR;
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pr_debug(DRIVER_NAME ": Running %s/%s\n", caller, st->name);
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GEM_TRACE("Running %s/%s\n", caller, st->name);
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err = st->func(data);
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if (err && err != -EINTR) {
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pr_err(DRIVER_NAME "/%s: %s failed with error %d\n",
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caller, st->name, err);
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return err;
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}
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}
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return 0;
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}
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bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
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{
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va_list va;
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if (!signal_pending(current)) {
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cond_resched();
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if (time_before(jiffies, timeout))
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return false;
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}
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if (fmt) {
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va_start(va, fmt);
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vprintk(fmt, va);
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va_end(va);
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}
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return true;
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}
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module_param_named(st_random_seed, i915_selftest.random_seed, uint, 0400);
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module_param_named(st_timeout, i915_selftest.timeout_ms, uint, 0400);
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module_param_named_unsafe(mock_selftests, i915_selftest.mock, int, 0400);
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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 exit module)");
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module_param_named_unsafe(live_selftests, i915_selftest.live, int, 0400);
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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)");
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