| /* |
| * 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 "igt_sysfs.h" |
| |
| #define LOCAL_OBJECT_CAPTURE (1 << 7) |
| #define LOCAL_PARAM_HAS_EXEC_CAPTURE 45 |
| |
| IGT_TEST_DESCRIPTION("Check that we capture the user specified objects on a hang"); |
| |
| static void check_error_state(int dir, struct drm_i915_gem_exec_object2 *obj) |
| { |
| char *error, *str; |
| bool found = false; |
| |
| error = igt_sysfs_get(dir, "error"); |
| igt_sysfs_set(dir, "error", "Begone!"); |
| |
| igt_assert(error); |
| igt_debug("%s\n", error); |
| |
| /* render ring --- user = 0x00000000 ffffd000 */ |
| for (str = error; (str = strstr(str, "--- user = ")); str++) { |
| uint64_t addr; |
| uint32_t hi, lo; |
| |
| igt_assert(sscanf(str, "--- user = 0x%x %x", &hi, &lo) == 2); |
| addr = hi; |
| addr <<= 32; |
| addr |= lo; |
| igt_assert_eq_u64(addr, obj->offset); |
| found = true; |
| } |
| |
| igt_assert(found); |
| } |
| |
| static void capture(int fd, int dir, unsigned ring) |
| { |
| const int gen = intel_gen(intel_get_drm_devid(fd)); |
| struct drm_i915_gem_exec_object2 obj[4]; |
| #define SCRATCH 0 |
| #define CAPTURE 1 |
| #define NOCAPTURE 2 |
| #define BATCH 3 |
| struct drm_i915_gem_relocation_entry reloc[2]; |
| struct drm_i915_gem_execbuffer2 execbuf; |
| uint32_t *batch, *seqno; |
| int i; |
| |
| memset(obj, 0, sizeof(obj)); |
| obj[SCRATCH].handle = gem_create(fd, 4096); |
| obj[CAPTURE].handle = gem_create(fd, 4096); |
| obj[CAPTURE].flags = LOCAL_OBJECT_CAPTURE; |
| obj[NOCAPTURE].handle = gem_create(fd, 4096); |
| |
| obj[BATCH].handle = gem_create(fd, 4096); |
| obj[BATCH].relocs_ptr = (uintptr_t)reloc; |
| obj[BATCH].relocation_count = ARRAY_SIZE(reloc); |
| |
| memset(reloc, 0, sizeof(reloc)); |
| reloc[0].target_handle = obj[BATCH].handle; /* recurse */ |
| reloc[0].presumed_offset = 0; |
| reloc[0].offset = 5*sizeof(uint32_t); |
| reloc[0].delta = 0; |
| reloc[0].read_domains = I915_GEM_DOMAIN_COMMAND; |
| reloc[0].write_domain = 0; |
| |
| reloc[1].target_handle = obj[SCRATCH].handle; /* breadcrumb */ |
| reloc[1].presumed_offset = 0; |
| reloc[1].offset = sizeof(uint32_t); |
| reloc[1].delta = 0; |
| reloc[1].read_domains = I915_GEM_DOMAIN_RENDER; |
| reloc[1].write_domain = I915_GEM_DOMAIN_RENDER; |
| |
| seqno = gem_mmap__wc(fd, obj[SCRATCH].handle, 0, 4096, PROT_READ); |
| gem_set_domain(fd, obj[SCRATCH].handle, |
| I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); |
| |
| batch = gem_mmap__cpu(fd, obj[BATCH].handle, 0, 4096, PROT_WRITE); |
| gem_set_domain(fd, obj[BATCH].handle, |
| I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU); |
| |
| i = 0; |
| batch[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0); |
| if (gen >= 8) { |
| batch[++i] = 0; |
| batch[++i] = 0; |
| } else if (gen >= 4) { |
| batch[++i] = 0; |
| batch[++i] = 0; |
| reloc[1].offset += sizeof(uint32_t); |
| } else { |
| batch[i]--; |
| batch[++i] = 0; |
| } |
| batch[++i] = 0xc0ffee; |
| if (gen < 3) |
| batch[++i] = MI_NOOP; |
| |
| batch[++i] = MI_BATCH_BUFFER_START; /* not crashed? try again! */ |
| if (gen >= 8) { |
| batch[i] |= 1 << 8 | 1; |
| batch[++i] = 0; |
| batch[++i] = 0; |
| } else if (gen >= 6) { |
| batch[i] |= 1 << 8; |
| batch[++i] = 0; |
| } else { |
| batch[i] |= 2 << 6; |
| batch[++i] = 0; |
| if (gen < 4) { |
| batch[i] |= 1; |
| reloc[0].delta = 1; |
| } |
| } |
| munmap(batch, 4096); |
| |
| memset(&execbuf, 0, sizeof(execbuf)); |
| execbuf.buffers_ptr = (uintptr_t)obj; |
| execbuf.buffer_count = ARRAY_SIZE(obj); |
| execbuf.flags = ring; |
| gem_execbuf(fd, &execbuf); |
| |
| /* Wait for the request to start */ |
| while (*(volatile uint32_t *)seqno != 0xc0ffee) |
| igt_assert(gem_bo_busy(fd, obj[SCRATCH].handle)); |
| munmap(seqno, 4096); |
| |
| /* Check that only the buffer we marked is reported in the error */ |
| igt_force_gpu_reset(fd); |
| check_error_state(dir, &obj[CAPTURE]); |
| |
| gem_sync(fd, obj[BATCH].handle); |
| |
| gem_close(fd, obj[BATCH].handle); |
| gem_close(fd, obj[NOCAPTURE].handle); |
| gem_close(fd, obj[CAPTURE].handle); |
| gem_close(fd, obj[SCRATCH].handle); |
| } |
| |
| static bool has_capture(int fd) |
| { |
| drm_i915_getparam_t gp; |
| int async = -1; |
| |
| gp.param = LOCAL_PARAM_HAS_EXEC_CAPTURE; |
| gp.value = &async; |
| drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp); |
| |
| return async > 0; |
| } |
| |
| igt_main |
| { |
| const struct intel_execution_engine *e; |
| igt_hang_t hang; |
| int fd = -1; |
| int dir = -1; |
| |
| igt_skip_on_simulation(); |
| |
| igt_fixture { |
| fd = drm_open_driver(DRIVER_INTEL); |
| igt_require_gem(fd); |
| gem_require_mmap_wc(fd); |
| igt_require(has_capture(fd)); |
| igt_allow_hang(fd, 0, HANG_ALLOW_CAPTURE); |
| |
| dir = igt_sysfs_open(fd, NULL); |
| igt_require(igt_sysfs_set(dir, "error", "Begone!")); |
| } |
| |
| for (e = intel_execution_engines; e->name; e++) { |
| /* default exec-id is purely symbolic */ |
| if (e->exec_id == 0) |
| continue; |
| |
| igt_subtest_f("capture-%s", e->name) { |
| gem_require_ring(fd, e->exec_id | e->flags); |
| igt_require(gem_can_store_dword(fd, e->exec_id | e->flags)); |
| capture(fd, dir, e->exec_id | e->flags); |
| } |
| } |
| |
| igt_fixture { |
| close(dir); |
| igt_disallow_hang(fd, hang); |
| close(fd); |
| } |
| } |