diff --git a/tests/.gitignore b/tests/.gitignore index c17264c2..64720db8 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -36,6 +36,7 @@ gem_ctx_thrash gem_ctx_param_basic gem_double_irq_loop gem_dummy_reloc_loop +gem_eio gem_evict_alignment gem_evict_everything gem_exec_bad_domains diff --git a/tests/Makefile.sources b/tests/Makefile.sources index 551c6007..15d83821 100644 --- a/tests/Makefile.sources +++ b/tests/Makefile.sources @@ -20,6 +20,7 @@ TESTS_progs_M = \ gem_ctx_bad_exec \ gem_ctx_exec \ gem_dummy_reloc_loop \ + gem_eio \ gem_evict_alignment \ gem_evict_everything \ gem_exec_bad_domains \ diff --git a/tests/gem_eio.c b/tests/gem_eio.c new file mode 100644 index 00000000..6d60d465 --- /dev/null +++ b/tests/gem_eio.c @@ -0,0 +1,169 @@ +/* + * Copyright © 2015 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. + * + */ + +/* + * Testcase: Test that only specific ioctl report a wedged GPU. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "drmtest.h" +#include "ioctl_wrappers.h" +#include "igt_core.h" +#include "igt_aux.h" +#include "igt_gt.h" + +IGT_TEST_DESCRIPTION("Test that specific ioctls report a wedged GPU (EIO)."); + +static bool i915_reset_control(bool enable) +{ + const char *path = "/sys/module/i915/parameters/reset"; + int fd, ret; + + igt_debug("%s GPU reset\n", enable ? "Enabling" : "Disabling"); + + fd = open(path, O_RDWR); + igt_require(fd >= 0); + + ret = write(fd, &"NY"[enable], 1) == 1; + close(fd); + + return ret; +} + +static bool i915_wedged_set(void) +{ + int fd, ret; + + igt_debug("Triggering GPU reset\n"); + + fd = igt_debugfs_open("i915_wedged", O_RDWR); + igt_require(fd >= 0); + + ret = write(fd, "1\n", 2) == 2; + close(fd); + + return ret; +} + +static void trigger_reset(int fd) +{ + igt_assert(i915_wedged_set()); + + /* And just check the gpu is indeed running again */ + igt_debug("Checking that the GPU recovered\n"); + gem_quiescent_gpu(fd); +} + +static void wedge_gpu(int fd) +{ + /* First idle the GPU then disable GPU resets before injecting a hang */ + gem_quiescent_gpu(fd); + + igt_require(i915_reset_control(false)); + + igt_debug("Wedging GPU by injecting hang\n"); + igt_post_hang_ring(fd, igt_hang_ring(fd, I915_EXEC_DEFAULT)); + + igt_assert(i915_reset_control(true)); +} + +static int __gem_throttle(int fd) +{ + int err = 0; + if (drmIoctl(fd, DRM_IOCTL_I915_GEM_THROTTLE, NULL)) + err = -errno; + return err; +} + +static void test_throttle(int fd) +{ + wedge_gpu(fd); + + igt_assert_eq(__gem_throttle(fd), -EIO); + + trigger_reset(fd); +} + +static int __gem_execbuf(int fd, struct drm_i915_gem_execbuffer2 *eb) +{ + int err = 0; + if (drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, eb)) + err = -errno; + return err; +} + +static void test_execbuf(int fd) +{ + struct drm_i915_gem_execbuffer2 execbuf; + struct drm_i915_gem_exec_object2 exec; + uint32_t tmp[] = { MI_BATCH_BUFFER_END }; + + memset(&exec, 0, sizeof(exec)); + memset(&execbuf, 0, sizeof(execbuf)); + + exec.handle = gem_create(fd, 4096); + gem_write(fd, exec.handle, 0, tmp, sizeof(tmp)); + + execbuf.buffers_ptr = (uintptr_t)&exec; + execbuf.buffer_count = 1; + + wedge_gpu(fd); + + igt_assert_eq(__gem_execbuf(fd, &execbuf), -EIO); + gem_close(fd, exec.handle); + + trigger_reset(fd); +} + +igt_main +{ + int fd; + + igt_skip_on_simulation(); + + igt_fixture { + fd = drm_open_any(); + igt_require_hang_ring(fd, -1); + } + + igt_subtest("throttle") + test_throttle(fd); + + igt_subtest("execbuf") + test_execbuf(fd); + + igt_fixture + close(fd); +}