| /* |
| * Copyright © 2013, 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. |
| * |
| * Authors: |
| * Daniel Vetter <daniel.vetter@ffwll.ch> |
| * David Weinehall <david.weinehall@intel.com> |
| * |
| */ |
| |
| #include "igt.h" |
| #include <unistd.h> |
| #include <stdlib.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 <drm.h> |
| |
| |
| #define OBJECT_SIZE (16*1024*1024) |
| |
| static void |
| test_fence_restore(int fd, bool tiled2untiled, bool hibernate) |
| { |
| uint32_t handle1, handle2, handle_tiled; |
| uint32_t *ptr1, *ptr2, *ptr_tiled; |
| int i; |
| |
| /* We wall the tiled object with untiled canary objects to make sure |
| * that we detect tile leaking in both directions. */ |
| handle1 = gem_create(fd, OBJECT_SIZE); |
| handle2 = gem_create(fd, OBJECT_SIZE); |
| handle_tiled = gem_create(fd, OBJECT_SIZE); |
| |
| /* Access the buffer objects in the order we want to have the laid out. */ |
| ptr1 = gem_mmap__gtt(fd, handle1, OBJECT_SIZE, PROT_READ | PROT_WRITE); |
| for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++) |
| ptr1[i] = i; |
| |
| ptr_tiled = gem_mmap__gtt(fd, handle_tiled, OBJECT_SIZE, |
| PROT_READ | PROT_WRITE); |
| if (tiled2untiled) |
| gem_set_tiling(fd, handle_tiled, I915_TILING_X, 2048); |
| for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++) |
| ptr_tiled[i] = i; |
| |
| ptr2 = gem_mmap__gtt(fd, handle2, OBJECT_SIZE, PROT_READ | PROT_WRITE); |
| for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++) |
| ptr2[i] = i; |
| |
| if (tiled2untiled) |
| gem_set_tiling(fd, handle_tiled, I915_TILING_NONE, 2048); |
| else |
| gem_set_tiling(fd, handle_tiled, I915_TILING_X, 2048); |
| |
| if (hibernate) |
| igt_system_suspend_autoresume(SUSPEND_STATE_DISK, |
| SUSPEND_TEST_NONE); |
| else |
| igt_system_suspend_autoresume(SUSPEND_STATE_MEM, |
| SUSPEND_TEST_NONE); |
| |
| igt_info("checking the first canary object\n"); |
| for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++) |
| igt_assert(ptr1[i] == i); |
| |
| igt_info("checking the second canary object\n"); |
| for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++) |
| igt_assert(ptr2[i] == i); |
| |
| gem_close(fd, handle1); |
| gem_close(fd, handle2); |
| gem_close(fd, handle_tiled); |
| |
| munmap(ptr1, OBJECT_SIZE); |
| munmap(ptr2, OBJECT_SIZE); |
| munmap(ptr_tiled, OBJECT_SIZE); |
| } |
| |
| static void |
| test_debugfs_reader(bool hibernate) |
| { |
| struct igt_helper_process reader = {}; |
| reader.use_SIGKILL = true; |
| |
| igt_fork_helper(&reader) { |
| static const char dfs_base[] = "/sys/kernel/debug/dri"; |
| static char tmp[1024]; |
| |
| snprintf(tmp, sizeof(tmp) - 1, |
| "while true; do find %s/%i/ -type f ! -path \"*/crc/*\" | xargs cat > /dev/null 2>&1; done", |
| dfs_base, drm_get_card()); |
| igt_assert(execl("/bin/sh", "sh", "-c", tmp, (char *) NULL) != -1); |
| } |
| |
| sleep(1); |
| |
| if (hibernate) |
| igt_system_suspend_autoresume(SUSPEND_STATE_DISK, |
| SUSPEND_TEST_NONE); |
| else |
| igt_system_suspend_autoresume(SUSPEND_STATE_MEM, |
| SUSPEND_TEST_NONE); |
| |
| sleep(1); |
| |
| igt_stop_helper(&reader); |
| } |
| |
| static void |
| test_sysfs_reader(bool hibernate) |
| { |
| struct igt_helper_process reader = {}; |
| reader.use_SIGKILL = true; |
| |
| igt_fork_helper(&reader) { |
| static const char dfs_base[] = "/sys/class/drm/card"; |
| static char tmp[1024]; |
| |
| snprintf(tmp, sizeof(tmp) - 1, |
| "while true; do find %s%i*/ -type f | xargs cat > /dev/null 2>&1; done", |
| dfs_base, drm_get_card()); |
| igt_assert(execl("/bin/sh", "sh", "-c", tmp, (char *) NULL) != -1); |
| } |
| |
| sleep(1); |
| |
| if (hibernate) |
| igt_system_suspend_autoresume(SUSPEND_STATE_DISK, |
| SUSPEND_TEST_NONE); |
| else |
| igt_system_suspend_autoresume(SUSPEND_STATE_MEM, |
| SUSPEND_TEST_NONE); |
| |
| sleep(1); |
| |
| igt_stop_helper(&reader); |
| } |
| |
| static void |
| test_forcewake(bool hibernate) |
| { |
| int fw_fd; |
| |
| fw_fd = igt_open_forcewake_handle(); |
| igt_assert_lte(0, fw_fd); |
| |
| if (hibernate) |
| igt_system_suspend_autoresume(SUSPEND_STATE_DISK, |
| SUSPEND_TEST_NONE); |
| else |
| igt_system_suspend_autoresume(SUSPEND_STATE_MEM, |
| SUSPEND_TEST_NONE); |
| |
| close (fw_fd); |
| } |
| |
| int fd; |
| |
| igt_main |
| { |
| igt_skip_on_simulation(); |
| |
| igt_fixture |
| fd = drm_open_driver(DRIVER_INTEL); |
| |
| igt_subtest("fence-restore-tiled2untiled") |
| test_fence_restore(fd, true, false); |
| |
| igt_subtest("fence-restore-untiled") |
| test_fence_restore(fd, false, false); |
| |
| igt_subtest("debugfs-reader") |
| test_debugfs_reader(false); |
| |
| igt_subtest("sysfs-reader") |
| test_sysfs_reader(false); |
| |
| igt_subtest("forcewake") |
| test_forcewake(false); |
| |
| igt_subtest("fence-restore-tiled2untiled-hibernate") |
| test_fence_restore(fd, true, true); |
| |
| igt_subtest("fence-restore-untiled-hibernate") |
| test_fence_restore(fd, false, true); |
| |
| igt_subtest("debugfs-reader-hibernate") |
| test_debugfs_reader(true); |
| |
| igt_subtest("sysfs-reader-hibernate") |
| test_sysfs_reader(true); |
| |
| igt_subtest("forcewake-hibernate") |
| test_forcewake(true); |
| |
| igt_fixture |
| close(fd); |
| } |