| /* |
| * 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_vgem.h" |
| #include "igt_debugfs.h" |
| #include "igt_sysfs.h" |
| |
| #include <sys/mman.h> |
| #include <sys/poll.h> |
| #include <sys/stat.h> |
| #include <dirent.h> |
| |
| IGT_TEST_DESCRIPTION("Extended sanity check of Virtual GEM module (vGEM)."); |
| |
| static bool has_prime_export(int fd) |
| { |
| uint64_t value; |
| |
| if (drmGetCap(fd, DRM_CAP_PRIME, &value)) |
| return false; |
| |
| return value & DRM_PRIME_CAP_EXPORT; |
| } |
| |
| |
| static void test_nohang(int fd) |
| { |
| struct vgem_bo bo; |
| uint32_t fence; |
| struct pollfd pfd; |
| |
| /* A vGEM fence must expire automatically to prevent driver hangs */ |
| |
| igt_require(has_prime_export(fd)); |
| igt_require(vgem_has_fences(fd)); |
| |
| bo.width = 1; |
| bo.height = 1; |
| bo.bpp = 32; |
| vgem_create(fd, &bo); |
| |
| pfd.fd = prime_handle_to_fd(fd, bo.handle); |
| pfd.events = POLLOUT; |
| |
| fence = vgem_fence_attach(fd, &bo, 0); |
| |
| igt_assert(poll(&pfd, 1, 0) == 0); |
| igt_assert(poll(&pfd, 1, 60*1000) == 1); |
| |
| igt_assert_eq(__vgem_fence_signal(fd, fence), -110); |
| close(pfd.fd); |
| gem_close(fd, bo.handle); |
| } |
| |
| igt_main |
| { |
| int fd = -1; |
| |
| igt_fixture { |
| fd = drm_open_driver(DRIVER_VGEM); |
| } |
| |
| igt_subtest_f("nohang") |
| test_nohang(fd); |
| |
| igt_fixture { |
| close(fd); |
| } |
| } |