| /* |
| * Copyright © 2011,2012 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. |
| * |
| * Authors: |
| * Chris Wilson <chris@chris-wilson.co.uk> |
| * Daniel Vetter <daniel.vetter@ffwll.ch> |
| * |
| */ |
| |
| /* |
| * Testcase: run a couple of big batches to force the unbind on misalignment code. |
| */ |
| |
| #include "igt.h" |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <fcntl.h> |
| #include <inttypes.h> |
| #include <errno.h> |
| #include <sys/stat.h> |
| #include <sys/ioctl.h> |
| #include <sys/time.h> |
| |
| #include <drm.h> |
| |
| |
| IGT_TEST_DESCRIPTION("Run a couple of big batches to force the unbind on" |
| " misalignment code."); |
| |
| #define HEIGHT 256 |
| #define WIDTH 1024 |
| |
| static void |
| copy(int fd, uint32_t dst, uint32_t src, uint32_t *all_bo, |
| uint64_t n_bo, uint64_t alignment, int error) |
| { |
| uint32_t batch[12]; |
| struct drm_i915_gem_relocation_entry reloc[2]; |
| struct drm_i915_gem_exec_object2 *obj; |
| struct drm_i915_gem_execbuffer2 exec; |
| uint32_t handle; |
| int n, ret, i=0; |
| |
| batch[i++] = (XY_SRC_COPY_BLT_CMD | |
| XY_SRC_COPY_BLT_WRITE_ALPHA | |
| XY_SRC_COPY_BLT_WRITE_RGB | 6); |
| if (intel_gen(intel_get_drm_devid(fd)) >= 8) |
| batch[i - 1] += 2; |
| batch[i++] = (3 << 24) | /* 32 bits */ |
| (0xcc << 16) | /* copy ROP */ |
| WIDTH*4; |
| batch[i++] = 0; /* dst x1,y1 */ |
| batch[i++] = (HEIGHT << 16) | WIDTH; /* dst x2,y2 */ |
| batch[i++] = 0; /* dst reloc */ |
| if (intel_gen(intel_get_drm_devid(fd)) >= 8) |
| batch[i++] = 0; /* FIXME */ |
| batch[i++] = 0; /* src x1,y1 */ |
| batch[i++] = WIDTH*4; |
| batch[i++] = 0; /* src reloc */ |
| if (intel_gen(intel_get_drm_devid(fd)) >= 8) |
| batch[i++] = 0; /* FIXME */ |
| batch[i++] = MI_BATCH_BUFFER_END; |
| batch[i++] = MI_NOOP; |
| |
| handle = gem_create(fd, 4096); |
| gem_write(fd, handle, 0, batch, sizeof(batch)); |
| |
| reloc[0].target_handle = dst; |
| reloc[0].delta = 0; |
| reloc[0].offset = 4 * sizeof(batch[0]); |
| reloc[0].presumed_offset = 0; |
| reloc[0].read_domains = I915_GEM_DOMAIN_RENDER; |
| reloc[0].write_domain = I915_GEM_DOMAIN_RENDER; |
| |
| reloc[1].target_handle = src; |
| reloc[1].delta = 0; |
| reloc[1].offset = 7 * sizeof(batch[0]); |
| reloc[1].presumed_offset = 0; |
| reloc[1].read_domains = I915_GEM_DOMAIN_RENDER; |
| reloc[1].write_domain = 0; |
| |
| obj = calloc(n_bo + 1, sizeof(*obj)); |
| for (n = 0; n < n_bo; n++) { |
| obj[n].handle = all_bo[n]; |
| obj[n].alignment = alignment; |
| } |
| obj[n].handle = handle; |
| obj[n].relocation_count = 2; |
| obj[n].relocs_ptr = to_user_pointer(reloc); |
| |
| exec.buffers_ptr = to_user_pointer(obj); |
| exec.buffer_count = n_bo + 1; |
| exec.batch_start_offset = 0; |
| exec.batch_len = i * 4; |
| exec.DR1 = exec.DR4 = 0; |
| exec.num_cliprects = 0; |
| exec.cliprects_ptr = 0; |
| exec.flags = HAS_BLT_RING(intel_get_drm_devid(fd)) ? I915_EXEC_BLT : 0; |
| i915_execbuffer2_set_context_id(exec, 0); |
| exec.rsvd2 = 0; |
| |
| ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec); |
| if (ret) |
| ret = errno; |
| igt_assert_eq(ret, error); |
| |
| gem_close(fd, handle); |
| free(obj); |
| } |
| |
| static void minor_evictions(int fd, uint64_t size, uint64_t count) |
| { |
| uint32_t *bo, *sel; |
| uint64_t n, m, alignment; |
| int pass, fail; |
| |
| intel_require_memory(2 * count, size, CHECK_RAM); |
| |
| bo = malloc(3*count*sizeof(*bo)); |
| igt_assert(bo); |
| |
| for (n = 0; n < 2*count; n++) |
| bo[n] = gem_create(fd, size); |
| |
| sel = bo + n; |
| for (alignment = m = 4096; alignment <= size; alignment <<= 1) { |
| for (fail = 0; fail < 10; fail++) { |
| for (pass = 0; pass < 100; pass++) { |
| for (n = 0; n < count; n++, m += 7) |
| sel[n] = bo[m%(2*count)]; |
| copy(fd, sel[0], sel[1], sel, count, alignment, 0); |
| } |
| copy(fd, bo[0], bo[0], bo, 2*count, alignment, ENOSPC); |
| } |
| } |
| |
| for (n = 0; n < 2*count; n++) |
| gem_close(fd, bo[n]); |
| free(bo); |
| } |
| |
| static void major_evictions(int fd, uint64_t size, uint64_t count) |
| { |
| uint64_t n, m, alignment, max; |
| int loop; |
| uint32_t *bo; |
| |
| intel_require_memory(count, size, CHECK_RAM); |
| |
| bo = malloc(count*sizeof(*bo)); |
| igt_assert(bo); |
| |
| for (n = 0; n < count; n++) |
| bo[n] = gem_create(fd, size); |
| |
| max = gem_aperture_size(fd) - size; |
| for (alignment = m = 4096; alignment < max; alignment <<= 1) { |
| for (loop = 0; loop < 100; loop++, m += 17) { |
| n = m % count; |
| copy(fd, bo[n], bo[n], &bo[n], 1, alignment, 0); |
| } |
| } |
| |
| for (n = 0; n < count; n++) |
| gem_close(fd, bo[n]); |
| free(bo); |
| } |
| |
| igt_main |
| { |
| uint64_t size, count; |
| int fd = -1; |
| |
| igt_fixture { |
| fd = drm_open_driver(DRIVER_INTEL); |
| } |
| |
| igt_subtest("minor-normal") { |
| size = 1024 * 1024; |
| count = 3*gem_aperture_size(fd) / size / 4; |
| minor_evictions(fd, size, count); |
| } |
| |
| igt_subtest("major-normal") { |
| size = 3*gem_aperture_size(fd) / 4; |
| count = 4; |
| major_evictions(fd, size, count); |
| } |
| |
| igt_fork_signal_helper(); |
| igt_subtest("minor-interruptible") { |
| size = 1024 * 1024; |
| count = 3*gem_aperture_size(fd) / size / 4; |
| minor_evictions(fd, size, count); |
| } |
| |
| igt_subtest("major-interruptible") { |
| size = 3*gem_aperture_size(fd) / 4; |
| count = 4; |
| major_evictions(fd, size, count); |
| } |
| |
| igt_subtest("minor-hang") { |
| igt_fork_hang_helper(); |
| size = 1024 * 1024; |
| count = 3*gem_aperture_size(fd) / size / 4; |
| minor_evictions(fd, size, count); |
| } |
| |
| igt_subtest("major-hang") { |
| size = 3*gem_aperture_size(fd) / 4; |
| count = 4; |
| major_evictions(fd, size, count); |
| } |
| igt_stop_signal_helper(); |
| |
| igt_fixture { |
| igt_stop_hang_helper(); |
| close(fd); |
| } |
| } |