1 /*
2 * Copyright 2019 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include "igt_amd.h"
24 #include "igt.h"
25 #include <amdgpu_drm.h>
26
igt_amd_create_bo(int fd,uint64_t size)27 uint32_t igt_amd_create_bo(int fd, uint64_t size)
28 {
29 union drm_amdgpu_gem_create create;
30
31 memset(&create, 0, sizeof(create));
32 create.in.bo_size = size;
33 create.in.alignment = 256;
34 create.in.domains = AMDGPU_GEM_DOMAIN_VRAM;
35 create.in.domain_flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED
36 | AMDGPU_GEM_CREATE_VRAM_CLEARED;
37
38 do_ioctl(fd, DRM_IOCTL_AMDGPU_GEM_CREATE, &create);
39 igt_assert(create.out.handle);
40
41 return create.out.handle;
42 }
43
igt_amd_mmap_bo(int fd,uint32_t handle,uint64_t size,int prot)44 void *igt_amd_mmap_bo(int fd, uint32_t handle, uint64_t size, int prot)
45 {
46 union drm_amdgpu_gem_mmap map;
47 void *ptr;
48
49 memset(&map, 0, sizeof(map));
50 map.in.handle = handle;
51
52 do_ioctl(fd, DRM_IOCTL_AMDGPU_GEM_MMAP, &map);
53
54 ptr = mmap(0, size, prot, MAP_SHARED, fd, map.out.addr_ptr);
55 return ptr == MAP_FAILED ? NULL : ptr;
56 }
57