aosp12/external/igt-gpu-tools/lib/igt_amd.c

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2023-01-09 17:11:35 +08:00
/*
* 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;
}