| /* |
| * Copyright © 2013 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 <stdlib.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <errno.h> |
| |
| #include <drm.h> |
| |
| #include "drmtest.h" |
| #include "ioctl_wrappers.h" |
| #include "intel_chipset.h" |
| |
| #ifndef I915_PARAM_CMD_PARSER_VERSION |
| #define I915_PARAM_CMD_PARSER_VERSION 28 |
| #endif |
| |
| static int exec_batch_patched(int fd, uint32_t cmd_bo, uint32_t *cmds, |
| int size, int patch_offset, uint64_t expected_value) |
| { |
| struct drm_i915_gem_execbuffer2 execbuf; |
| struct drm_i915_gem_exec_object2 objs[2]; |
| struct drm_i915_gem_relocation_entry reloc[1]; |
| |
| uint32_t target_bo = gem_create(fd, 4096); |
| uint64_t actual_value = 0; |
| |
| gem_write(fd, cmd_bo, 0, cmds, size); |
| |
| reloc[0].offset = patch_offset; |
| reloc[0].delta = 0; |
| reloc[0].target_handle = target_bo; |
| reloc[0].read_domains = I915_GEM_DOMAIN_RENDER; |
| reloc[0].write_domain = I915_GEM_DOMAIN_RENDER; |
| reloc[0].presumed_offset = 0; |
| |
| objs[0].handle = target_bo; |
| objs[0].relocation_count = 0; |
| objs[0].relocs_ptr = 0; |
| objs[0].alignment = 0; |
| objs[0].offset = 0; |
| objs[0].flags = 0; |
| objs[0].rsvd1 = 0; |
| objs[0].rsvd2 = 0; |
| |
| objs[1].handle = cmd_bo; |
| objs[1].relocation_count = 1; |
| objs[1].relocs_ptr = (uintptr_t)reloc; |
| objs[1].alignment = 0; |
| objs[1].offset = 0; |
| objs[1].flags = 0; |
| objs[1].rsvd1 = 0; |
| objs[1].rsvd2 = 0; |
| |
| execbuf.buffers_ptr = (uintptr_t)objs; |
| execbuf.buffer_count = 2; |
| execbuf.batch_start_offset = 0; |
| execbuf.batch_len = size; |
| execbuf.cliprects_ptr = 0; |
| execbuf.num_cliprects = 0; |
| execbuf.DR1 = 0; |
| execbuf.DR4 = 0; |
| execbuf.flags = I915_EXEC_RENDER; |
| i915_execbuffer2_set_context_id(execbuf, 0); |
| execbuf.rsvd2 = 0; |
| |
| gem_execbuf(fd, &execbuf); |
| gem_sync(fd, cmd_bo); |
| |
| gem_read(fd,target_bo, 0, &actual_value, sizeof(actual_value)); |
| igt_assert(expected_value == actual_value); |
| |
| gem_close(fd, target_bo); |
| |
| return 1; |
| } |
| |
| static int exec_batch(int fd, uint32_t cmd_bo, uint32_t *cmds, |
| int size, int ring, int expected_ret) |
| { |
| struct drm_i915_gem_execbuffer2 execbuf; |
| struct drm_i915_gem_exec_object2 objs[1]; |
| int ret; |
| |
| gem_write(fd, cmd_bo, 0, cmds, size); |
| |
| objs[0].handle = cmd_bo; |
| objs[0].relocation_count = 0; |
| objs[0].relocs_ptr = 0; |
| objs[0].alignment = 0; |
| objs[0].offset = 0; |
| objs[0].flags = 0; |
| objs[0].rsvd1 = 0; |
| objs[0].rsvd2 = 0; |
| |
| execbuf.buffers_ptr = (uintptr_t)objs; |
| execbuf.buffer_count = 1; |
| execbuf.batch_start_offset = 0; |
| execbuf.batch_len = size; |
| execbuf.cliprects_ptr = 0; |
| execbuf.num_cliprects = 0; |
| execbuf.DR1 = 0; |
| execbuf.DR4 = 0; |
| execbuf.flags = ring; |
| i915_execbuffer2_set_context_id(execbuf, 0); |
| execbuf.rsvd2 = 0; |
| |
| ret = drmIoctl(fd, |
| DRM_IOCTL_I915_GEM_EXECBUFFER2, |
| &execbuf); |
| if (ret == 0) |
| igt_assert(expected_ret == 0); |
| else |
| igt_assert(-errno == expected_ret); |
| |
| gem_sync(fd, cmd_bo); |
| |
| return 1; |
| } |
| |
| static int exec_split_batch(int fd, uint32_t *cmds, |
| int size, int ring, int expected_ret) |
| { |
| struct drm_i915_gem_execbuffer2 execbuf; |
| struct drm_i915_gem_exec_object2 objs[1]; |
| uint32_t cmd_bo; |
| uint32_t noop[1024] = { 0 }; |
| int ret; |
| |
| // Allocate and fill a 2-page batch with noops |
| cmd_bo = gem_create(fd, 4096 * 2); |
| gem_write(fd, cmd_bo, 0, noop, sizeof(noop)); |
| gem_write(fd, cmd_bo, 4096, noop, sizeof(noop)); |
| |
| // Write the provided commands such that the first dword |
| // of the command buffer is the last dword of the first |
| // page (i.e. the command is split across the two pages). |
| gem_write(fd, cmd_bo, 4096-sizeof(uint32_t), cmds, size); |
| |
| objs[0].handle = cmd_bo; |
| objs[0].relocation_count = 0; |
| objs[0].relocs_ptr = 0; |
| objs[0].alignment = 0; |
| objs[0].offset = 0; |
| objs[0].flags = 0; |
| objs[0].rsvd1 = 0; |
| objs[0].rsvd2 = 0; |
| |
| execbuf.buffers_ptr = (uintptr_t)objs; |
| execbuf.buffer_count = 1; |
| execbuf.batch_start_offset = 0; |
| execbuf.batch_len = size; |
| execbuf.cliprects_ptr = 0; |
| execbuf.num_cliprects = 0; |
| execbuf.DR1 = 0; |
| execbuf.DR4 = 0; |
| execbuf.flags = ring; |
| i915_execbuffer2_set_context_id(execbuf, 0); |
| execbuf.rsvd2 = 0; |
| |
| ret = drmIoctl(fd, |
| DRM_IOCTL_I915_GEM_EXECBUFFER2, |
| &execbuf); |
| if (ret == 0) |
| igt_assert(expected_ret == 0); |
| else |
| igt_assert(-errno == expected_ret); |
| |
| gem_sync(fd, cmd_bo); |
| gem_close(fd, cmd_bo); |
| |
| return 1; |
| } |
| |
| uint32_t handle; |
| int fd; |
| |
| #define MI_ARB_ON_OFF (0x8 << 23) |
| #define MI_DISPLAY_FLIP ((0x14 << 23) | 1) |
| #define MI_LOAD_REGISTER_IMM ((0x22 << 23) | 1) |
| |
| #define GFX_OP_PIPE_CONTROL ((0x3<<29)|(0x3<<27)|(0x2<<24)|2) |
| #define PIPE_CONTROL_QW_WRITE (1<<14) |
| #define PIPE_CONTROL_LRI_POST_OP (1<<23) |
| |
| #define OACONTROL 0x2360 |
| |
| igt_main |
| { |
| igt_fixture { |
| int parser_version = 0; |
| drm_i915_getparam_t gp; |
| int rc; |
| |
| fd = drm_open_any(); |
| |
| gp.param = I915_PARAM_CMD_PARSER_VERSION; |
| gp.value = &parser_version; |
| rc = drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp); |
| igt_require(!rc && parser_version > 0); |
| |
| handle = gem_create(fd, 4096); |
| |
| /* ATM cmd parser only exists on gen7. */ |
| igt_require(intel_gen(intel_get_drm_devid(fd)) == 7); |
| } |
| |
| igt_subtest("basic-allowed") { |
| uint32_t pc[] = { |
| GFX_OP_PIPE_CONTROL, |
| PIPE_CONTROL_QW_WRITE, |
| 0, // To be patched |
| 0x12000000, |
| 0, |
| MI_BATCH_BUFFER_END, |
| }; |
| igt_assert( |
| exec_batch_patched(fd, handle, |
| pc, sizeof(pc), |
| 8, // patch offset, |
| 0x12000000)); |
| } |
| |
| igt_subtest("basic-rejected") { |
| uint32_t arb_on_off[] = { |
| MI_ARB_ON_OFF, |
| MI_BATCH_BUFFER_END, |
| }; |
| uint32_t display_flip[] = { |
| MI_DISPLAY_FLIP, |
| 0, 0, 0, |
| MI_BATCH_BUFFER_END, |
| 0 |
| }; |
| igt_assert( |
| exec_batch(fd, handle, |
| arb_on_off, sizeof(arb_on_off), |
| I915_EXEC_RENDER, |
| -EINVAL)); |
| igt_assert( |
| exec_batch(fd, handle, |
| arb_on_off, sizeof(arb_on_off), |
| I915_EXEC_BSD, |
| -EINVAL)); |
| if (gem_has_vebox(fd)) { |
| igt_assert( |
| exec_batch(fd, handle, |
| arb_on_off, sizeof(arb_on_off), |
| I915_EXEC_VEBOX, |
| -EINVAL)); |
| } |
| igt_assert( |
| exec_batch(fd, handle, |
| display_flip, sizeof(display_flip), |
| I915_EXEC_BLT, |
| -EINVAL)); |
| } |
| |
| igt_subtest("registers") { |
| uint32_t lri_bad[] = { |
| MI_LOAD_REGISTER_IMM, |
| 0, // disallowed register address |
| 0x12000000, |
| MI_BATCH_BUFFER_END, |
| }; |
| uint32_t lri_ok[] = { |
| MI_LOAD_REGISTER_IMM, |
| 0x5280, // allowed register address (SO_WRITE_OFFSET[0]) |
| 0x1, |
| MI_BATCH_BUFFER_END, |
| }; |
| igt_assert( |
| exec_batch(fd, handle, |
| lri_bad, sizeof(lri_bad), |
| I915_EXEC_RENDER, |
| -EINVAL)); |
| igt_assert( |
| exec_batch(fd, handle, |
| lri_ok, sizeof(lri_ok), |
| I915_EXEC_RENDER, |
| 0)); |
| } |
| |
| igt_subtest("bitmasks") { |
| uint32_t pc[] = { |
| GFX_OP_PIPE_CONTROL, |
| (PIPE_CONTROL_QW_WRITE | |
| PIPE_CONTROL_LRI_POST_OP), |
| 0, // To be patched |
| 0x12000000, |
| 0, |
| MI_BATCH_BUFFER_END, |
| }; |
| igt_assert( |
| exec_batch(fd, handle, |
| pc, sizeof(pc), |
| I915_EXEC_RENDER, |
| -EINVAL)); |
| } |
| |
| igt_subtest("batch-without-end") { |
| uint32_t noop[1024] = { 0 }; |
| igt_assert( |
| exec_batch(fd, handle, |
| noop, sizeof(noop), |
| I915_EXEC_RENDER, |
| -EINVAL)); |
| } |
| |
| igt_subtest("cmd-crossing-page") { |
| uint32_t lri_ok[] = { |
| MI_LOAD_REGISTER_IMM, |
| 0x5280, // allowed register address (SO_WRITE_OFFSET[0]) |
| 0x1, |
| MI_BATCH_BUFFER_END, |
| }; |
| igt_assert( |
| exec_split_batch(fd, |
| lri_ok, sizeof(lri_ok), |
| I915_EXEC_RENDER, |
| 0)); |
| } |
| |
| igt_subtest("oacontrol-tracking") { |
| uint32_t lri_ok[] = { |
| MI_LOAD_REGISTER_IMM, |
| OACONTROL, |
| 0x31337000, |
| MI_LOAD_REGISTER_IMM, |
| OACONTROL, |
| 0x0, |
| MI_BATCH_BUFFER_END, |
| 0 |
| }; |
| uint32_t lri_bad[] = { |
| MI_LOAD_REGISTER_IMM, |
| OACONTROL, |
| 0x31337000, |
| MI_BATCH_BUFFER_END, |
| }; |
| uint32_t lri_extra_bad[] = { |
| MI_LOAD_REGISTER_IMM, |
| OACONTROL, |
| 0x31337000, |
| MI_LOAD_REGISTER_IMM, |
| OACONTROL, |
| 0x0, |
| MI_LOAD_REGISTER_IMM, |
| OACONTROL, |
| 0x31337000, |
| MI_BATCH_BUFFER_END, |
| }; |
| igt_assert( |
| exec_batch(fd, handle, |
| lri_ok, sizeof(lri_ok), |
| I915_EXEC_RENDER, |
| 0)); |
| igt_assert( |
| exec_batch(fd, handle, |
| lri_bad, sizeof(lri_bad), |
| I915_EXEC_RENDER, |
| -EINVAL)); |
| igt_assert( |
| exec_batch(fd, handle, |
| lri_extra_bad, sizeof(lri_extra_bad), |
| I915_EXEC_RENDER, |
| -EINVAL)); |
| } |
| |
| igt_fixture { |
| gem_close(fd, handle); |
| |
| close(fd); |
| } |
| } |