From c344044ab681566d36a49a0456666a32bac3419a Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sat, 18 Jun 2016 00:42:19 +0100 Subject: igt: Add basic exercise of vGEM Signed-off-by: Chris Wilson --- tests/vgem_basic.c | 182 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 tests/vgem_basic.c (limited to 'tests/vgem_basic.c') diff --git a/tests/vgem_basic.c b/tests/vgem_basic.c new file mode 100644 index 00000000..4e8408f2 --- /dev/null +++ b/tests/vgem_basic.c @@ -0,0 +1,182 @@ +/* + * 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_TEST_DESCRIPTION("Basic sanity check of Virtual GEM module (vGEM)."); + +static void test_create(int fd) +{ + struct vgem_bo bo; + + bo.width = 0; + bo.height = 0; + bo.bpp = 0; + igt_assert_eq(__vgem_create(fd, &bo), -EINVAL); + + bo.width = 1; + bo.height = 1; + bo.bpp = 1; + vgem_create(fd, &bo); + igt_assert_eq(bo.size, 4096); + gem_close(fd, bo.handle); + + bo.width = 1024; + bo.height = 1024; + bo.bpp = 8; + vgem_create(fd, &bo); + igt_assert_eq(bo.size, 1<<20); + gem_close(fd, bo.handle); + + bo.width = 1<<15; + bo.height = 1<<15; + bo.bpp = 16; + vgem_create(fd, &bo); + igt_assert_eq(bo.size, 1<<31); + gem_close(fd, bo.handle); +} + +static void test_mmap(int fd) +{ + struct vgem_bo bo; + uint32_t *ptr; + + bo.width = 1024; + bo.height = 1024; + bo.bpp = 32; + vgem_create(fd, &bo); + + ptr = vgem_mmap(fd, &bo, PROT_WRITE); + gem_close(fd, bo.handle); + + for (int page = 0; page < bo.size >> 12; page++) + ptr[page] = 0; + + munmap(ptr, bo.size); +} + +static bool has_prime_import(int fd) +{ + uint64_t value; + + if (drmGetCap(fd, DRM_CAP_PRIME, &value)) + return false; + + return value & DRM_PRIME_CAP_IMPORT; +} + +static void test_dmabuf_export(int fd) +{ + struct vgem_bo bo; + uint32_t handle; + int other; + int dmabuf; + + other = drm_open_driver(DRIVER_ANY); + igt_require(has_prime_import(other)); + + bo.width = 1024; + bo.height = 1; + bo.bpp = 32; + + vgem_create(fd, &bo); + dmabuf = prime_handle_to_fd(fd, bo.handle); + gem_close(fd, bo.handle); + + handle = prime_fd_to_handle(other, dmabuf); + close(dmabuf); + gem_close(other, handle); + close(other); +} + +static void test_dmabuf_mmap(int fd) +{ + struct vgem_bo bo; + uint32_t *ptr; + int export; + + bo.width = 1024; + bo.height = 1024; + bo.bpp = 32; + vgem_create(fd, &bo); + + export = prime_handle_to_fd_for_mmap(fd, bo.handle); + ptr = mmap(NULL, bo.size, PROT_WRITE, MAP_SHARED, export, 0); + close(export); + igt_assert(ptr != MAP_FAILED); + + for (int page = 0; page < bo.size >> 12; page++) + ptr[page] = page; + munmap(ptr, bo.size); + + ptr = vgem_mmap(fd, &bo, PROT_READ); + gem_close(fd, bo.handle); + + for (int page = 0; page < bo.size >> 12; page++) + igt_assert_eq(ptr[page], page); + munmap(ptr, bo.size); +} + +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; +} + +igt_main +{ + int fd = -1; + + igt_fixture { + fd = drm_open_driver(DRIVER_VGEM); + } + + igt_subtest_f("create") + test_create(fd); + + igt_subtest_f("mmap") + test_mmap(fd); + + igt_subtest_group { + igt_fixture { + igt_require(has_prime_export(fd)); + } + + igt_subtest_f("dmabuf-export") + test_dmabuf_export(fd); + + igt_subtest_f("dmabuf-mmap") + test_dmabuf_mmap(fd); + } + + igt_fixture { + close(fd); + } +} -- cgit v1.2.3