1 /*
2 * Copyright © 2020 Intel Corporation
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
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23 #include "intel_gem.h"
24
25 #include "i915/intel_engine.h"
26 #include "i915/intel_gem.h"
27 #include "xe/intel_gem.h"
28
29 #include "util/os_time.h"
30
31 bool
intel_gem_supports_syncobj_wait(int fd)32 intel_gem_supports_syncobj_wait(int fd)
33 {
34 int ret;
35
36 struct drm_syncobj_create create = {
37 .flags = 0,
38 };
39 ret = intel_ioctl(fd, DRM_IOCTL_SYNCOBJ_CREATE, &create);
40 if (ret)
41 return false;
42
43 uint32_t syncobj = create.handle;
44
45 struct drm_syncobj_wait wait = {
46 .handles = (uint64_t)(uintptr_t)&create,
47 .count_handles = 1,
48 .timeout_nsec = 0,
49 .flags = DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT,
50 };
51 ret = intel_ioctl(fd, DRM_IOCTL_SYNCOBJ_WAIT, &wait);
52
53 struct drm_syncobj_destroy destroy = {
54 .handle = syncobj,
55 };
56 intel_ioctl(fd, DRM_IOCTL_SYNCOBJ_DESTROY, &destroy);
57
58 /* If it timed out, then we have the ioctl and it supports the
59 * DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT flag.
60 */
61 return ret == -1 && errno == ETIME;
62 }
63
64 bool
intel_gem_create_context(int fd,uint32_t * context_id)65 intel_gem_create_context(int fd, uint32_t *context_id)
66 {
67 return i915_gem_create_context(fd, context_id);
68 }
69
70 bool
intel_gem_destroy_context(int fd,uint32_t context_id)71 intel_gem_destroy_context(int fd, uint32_t context_id)
72 {
73 return i915_gem_destroy_context(fd, context_id);
74 }
75
76 bool
intel_gem_create_context_engines(int fd,enum intel_gem_create_context_flags flags,const struct intel_query_engine_info * info,int num_engines,enum intel_engine_class * engine_classes,uint32_t vm_id,uint32_t * context_id)77 intel_gem_create_context_engines(int fd,
78 enum intel_gem_create_context_flags flags,
79 const struct intel_query_engine_info *info,
80 int num_engines, enum intel_engine_class *engine_classes,
81 uint32_t vm_id,
82 uint32_t *context_id)
83 {
84 return i915_gem_create_context_engines(fd, flags, info, num_engines,
85 engine_classes, vm_id, context_id);
86 }
87
88 bool
intel_gem_set_context_param(int fd,uint32_t context,uint32_t param,uint64_t value)89 intel_gem_set_context_param(int fd, uint32_t context, uint32_t param,
90 uint64_t value)
91 {
92 return i915_gem_set_context_param(fd, context, param, value);
93 }
94
95 bool
intel_gem_get_context_param(int fd,uint32_t context,uint32_t param,uint64_t * value)96 intel_gem_get_context_param(int fd, uint32_t context, uint32_t param,
97 uint64_t *value)
98 {
99 return i915_gem_get_context_param(fd, context, param, value);
100 }
101
102 bool
intel_gem_read_render_timestamp(int fd,enum intel_kmd_type kmd_type,uint64_t * value)103 intel_gem_read_render_timestamp(int fd,
104 enum intel_kmd_type kmd_type,
105 uint64_t *value)
106 {
107 switch (kmd_type) {
108 case INTEL_KMD_TYPE_I915:
109 return i915_gem_read_render_timestamp(fd, value);
110 case INTEL_KMD_TYPE_XE:
111 return xe_gem_read_render_timestamp(fd, value);
112 default:
113 unreachable("Missing");
114 return false;
115 }
116 }
117
118 bool
intel_gem_read_correlate_cpu_gpu_timestamp(int fd,enum intel_kmd_type kmd_type,enum intel_engine_class engine_class,uint16_t engine_instance,clockid_t cpu_clock_id,uint64_t * cpu_timestamp,uint64_t * gpu_timestamp,uint64_t * cpu_delta)119 intel_gem_read_correlate_cpu_gpu_timestamp(int fd,
120 enum intel_kmd_type kmd_type,
121 enum intel_engine_class engine_class,
122 uint16_t engine_instance,
123 clockid_t cpu_clock_id,
124 uint64_t *cpu_timestamp,
125 uint64_t *gpu_timestamp,
126 uint64_t *cpu_delta)
127 {
128 switch (kmd_type) {
129 case INTEL_KMD_TYPE_I915:
130 return false;
131 case INTEL_KMD_TYPE_XE:
132 return xe_gem_read_correlate_cpu_gpu_timestamp(fd, engine_class,
133 engine_instance,
134 cpu_clock_id,
135 cpu_timestamp,
136 gpu_timestamp,
137 cpu_delta);
138 default:
139 unreachable("Missing");
140 return false;
141 }
142 }
143
144 bool
intel_gem_create_context_ext(int fd,enum intel_gem_create_context_flags flags,uint32_t * ctx_id)145 intel_gem_create_context_ext(int fd, enum intel_gem_create_context_flags flags,
146 uint32_t *ctx_id)
147 {
148 return i915_gem_create_context_ext(fd, flags, ctx_id);
149 }
150
151 bool
intel_gem_supports_protected_context(int fd,enum intel_kmd_type kmd_type)152 intel_gem_supports_protected_context(int fd, enum intel_kmd_type kmd_type)
153 {
154 switch (kmd_type) {
155 case INTEL_KMD_TYPE_I915:
156 return i915_gem_supports_protected_context(fd);
157 case INTEL_KMD_TYPE_XE:
158 /* TODO: so far Xe don't have support for protected contexts/engines */
159 return false;
160 default:
161 unreachable("Missing");
162 return false;
163 }
164 }
165
166 bool
intel_gem_wait_on_get_param(int fd,uint32_t param,int target_val,uint32_t timeout_ms)167 intel_gem_wait_on_get_param(int fd, uint32_t param, int target_val,
168 uint32_t timeout_ms)
169 {
170 int64_t start_time = os_time_get();
171 int64_t end_time = start_time + (timeout_ms * 1000);
172 int val = -1;
173
174 errno = 0;
175 do {
176 if (!intel_gem_get_param(fd, param, &val))
177 break;
178 } while (val != target_val && !os_time_timeout(start_time, end_time, os_time_get()));
179
180 if (errno || val != target_val)
181 return false;
182
183 return true;
184 }
185
186 bool
intel_gem_get_param(int fd,uint32_t param,int * value)187 intel_gem_get_param(int fd, uint32_t param, int *value)
188 {
189 return i915_gem_get_param(fd, param, value);
190 }
191
192 bool
intel_gem_can_render_on_fd(int fd,enum intel_kmd_type kmd_type)193 intel_gem_can_render_on_fd(int fd, enum intel_kmd_type kmd_type)
194 {
195 switch (kmd_type) {
196 case INTEL_KMD_TYPE_I915:
197 return i915_gem_can_render_on_fd(fd);
198 case INTEL_KMD_TYPE_XE:
199 return xe_gem_can_render_on_fd(fd);
200 default:
201 unreachable("Missing");
202 return false;
203 }
204 }
205