57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/*
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* Copyright 2019 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "igt_amd.h"
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#include "igt.h"
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#include <amdgpu_drm.h>
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uint32_t igt_amd_create_bo(int fd, uint64_t size)
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{
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union drm_amdgpu_gem_create create;
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memset(&create, 0, sizeof(create));
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create.in.bo_size = size;
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create.in.alignment = 256;
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create.in.domains = AMDGPU_GEM_DOMAIN_VRAM;
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create.in.domain_flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED
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| AMDGPU_GEM_CREATE_VRAM_CLEARED;
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do_ioctl(fd, DRM_IOCTL_AMDGPU_GEM_CREATE, &create);
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igt_assert(create.out.handle);
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return create.out.handle;
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}
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void *igt_amd_mmap_bo(int fd, uint32_t handle, uint64_t size, int prot)
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{
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union drm_amdgpu_gem_mmap map;
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void *ptr;
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memset(&map, 0, sizeof(map));
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map.in.handle = handle;
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do_ioctl(fd, DRM_IOCTL_AMDGPU_GEM_MMAP, &map);
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ptr = mmap(0, size, prot, MAP_SHARED, fd, map.out.addr_ptr);
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return ptr == MAP_FAILED ? NULL : ptr;
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}
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