diff options
Diffstat (limited to 'lib/igt_amd.c')
-rw-r--r-- | lib/igt_amd.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/igt_amd.c b/lib/igt_amd.c new file mode 100644 index 00000000..abd3ad96 --- /dev/null +++ b/lib/igt_amd.c @@ -0,0 +1,56 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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_amd.h" +#include "igt.h" +#include <amdgpu_drm.h> + +uint32_t igt_amd_create_bo(int fd, uint64_t size) +{ + union drm_amdgpu_gem_create create; + + memset(&create, 0, sizeof(create)); + create.in.bo_size = size; + create.in.alignment = 256; + create.in.domains = AMDGPU_GEM_DOMAIN_VRAM; + create.in.domain_flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED + | AMDGPU_GEM_CREATE_VRAM_CLEARED; + + do_ioctl(fd, DRM_IOCTL_AMDGPU_GEM_CREATE, &create); + igt_assert(create.out.handle); + + return create.out.handle; +} + +void *igt_amd_mmap_bo(int fd, uint32_t handle, uint64_t size, int prot) +{ + union drm_amdgpu_gem_mmap map; + void *ptr; + + memset(&map, 0, sizeof(map)); + map.in.handle = handle; + + do_ioctl(fd, DRM_IOCTL_AMDGPU_GEM_MMAP, &map); + + ptr = mmap(0, size, prot, MAP_SHARED, fd, map.out.addr_ptr); + return ptr == MAP_FAILED ? NULL : ptr; +} |