1 /*
2  * Copyright © 2017 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 (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 #ifndef GEM_CONTEXT_H
25 #define GEM_CONTEXT_H
26 
27 uint32_t gem_context_create(int fd);
28 int __gem_context_create(int fd, uint32_t *ctx_id);
29 void gem_context_destroy(int fd, uint32_t ctx_id);
30 int __gem_context_destroy(int fd, uint32_t ctx_id);
31 
32 int __gem_context_clone(int i915,
33 			uint32_t src, unsigned int share,
34 			unsigned int flags,
35 			uint32_t *out);
36 uint32_t gem_context_clone(int i915,
37 			   uint32_t src, unsigned int share,
38 			   unsigned int flags);
39 
40 uint32_t gem_queue_create(int i915);
41 
42 bool gem_contexts_has_shared_gtt(int i915);
43 bool gem_has_queues(int i915);
44 
45 bool gem_has_contexts(int fd);
46 void gem_require_contexts(int fd);
47 void gem_context_require_bannable(int fd);
48 void gem_context_require_param(int fd, uint64_t param);
49 
50 void gem_context_get_param(int fd, struct drm_i915_gem_context_param *p);
51 void gem_context_set_param(int fd, struct drm_i915_gem_context_param *p);
52 int __gem_context_set_param(int fd, struct drm_i915_gem_context_param *p);
53 int __gem_context_get_param(int fd, struct drm_i915_gem_context_param *p);
54 
55 #define LOCAL_I915_CONTEXT_MAX_USER_PRIORITY	1023
56 #define LOCAL_I915_CONTEXT_DEFAULT_PRIORITY	0
57 #define LOCAL_I915_CONTEXT_MIN_USER_PRIORITY	-1023
58 int __gem_context_set_priority(int fd, uint32_t ctx, int prio);
59 void gem_context_set_priority(int fd, uint32_t ctx, int prio);
60 
61 bool gem_context_has_engine(int fd, uint32_t ctx, uint64_t engine);
62 
63 #endif /* GEM_CONTEXT_H */
64