1 /*
2 * Copyright © 2016 Broadcom
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include <assert.h>
25 #include <string.h>
26 #include <signal.h>
27 #include <errno.h>
28 #include <sys/mman.h>
29 #include <sys/types.h>
30 #include <sys/stat.h>
31 #include <sys/ioctl.h>
32 #include <fcntl.h>
33
34 #include "drmtest.h"
35 #include "igt_aux.h"
36 #include "igt_core.h"
37 #include "igt_v3d.h"
38 #include "ioctl_wrappers.h"
39 #include "intel_reg.h"
40 #include "intel_chipset.h"
41 #include "v3d_drm.h"
42
43 /**
44 * SECTION:igt_v3d
45 * @short_description: V3D support library
46 * @title: V3D
47 * @include: igt.h
48 *
49 * This library provides various auxiliary helper functions for writing V3D
50 * tests.
51 */
52
53 struct v3d_bo *
igt_v3d_create_bo(int fd,size_t size)54 igt_v3d_create_bo(int fd, size_t size)
55 {
56 struct v3d_bo *bo = calloc(1, sizeof(*bo));
57
58 struct drm_v3d_create_bo create = {
59 .size = size,
60 };
61
62 do_ioctl(fd, DRM_IOCTL_V3D_CREATE_BO, &create);
63
64 bo->handle = create.handle;
65 bo->offset = create.offset;
66 bo->size = size;
67
68 return bo;
69 }
70
71 void
igt_v3d_free_bo(int fd,struct v3d_bo * bo)72 igt_v3d_free_bo(int fd, struct v3d_bo *bo)
73 {
74 if (bo->map)
75 munmap(bo->map, bo->size);
76 gem_close(fd, bo->handle);
77 free(bo);
78 }
79
80 uint32_t
igt_v3d_get_bo_offset(int fd,uint32_t handle)81 igt_v3d_get_bo_offset(int fd, uint32_t handle)
82 {
83 struct drm_v3d_get_bo_offset get = {
84 .handle = handle,
85 };
86
87 do_ioctl(fd, DRM_IOCTL_V3D_GET_BO_OFFSET, &get);
88
89 return get.offset;
90 }
91
92 uint32_t
igt_v3d_get_param(int fd,enum drm_v3d_param param)93 igt_v3d_get_param(int fd, enum drm_v3d_param param)
94 {
95 struct drm_v3d_get_param get = {
96 .param = param,
97 };
98
99 do_ioctl(fd, DRM_IOCTL_V3D_GET_PARAM, &get);
100
101 return get.value;
102 }
103
104 void *
igt_v3d_mmap_bo(int fd,uint32_t handle,uint32_t size,unsigned prot)105 igt_v3d_mmap_bo(int fd, uint32_t handle, uint32_t size, unsigned prot)
106 {
107 struct drm_v3d_mmap_bo mmap_bo = {
108 .handle = handle,
109 };
110 void *ptr;
111
112 do_ioctl(fd, DRM_IOCTL_V3D_MMAP_BO, &mmap_bo);
113
114 ptr = mmap(0, size, prot, MAP_SHARED, fd, mmap_bo.offset);
115 if (ptr == MAP_FAILED)
116 return NULL;
117 else
118 return ptr;
119 }
120
igt_v3d_bo_mmap(int fd,struct v3d_bo * bo)121 void igt_v3d_bo_mmap(int fd, struct v3d_bo *bo)
122 {
123 bo->map = igt_v3d_mmap_bo(fd, bo->handle, bo->size,
124 PROT_READ | PROT_WRITE);
125 igt_assert(bo->map);
126 }
127