1 | /* |
2 | * Copyright © 2016 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 | |
25 | #ifndef __I915_GEM_H__ |
26 | #define __I915_GEM_H__ |
27 | |
28 | #include <linux/bug.h> |
29 | #include <linux/types.h> |
30 | |
31 | #include <drm/drm_drv.h> |
32 | |
33 | #include "i915_utils.h" |
34 | |
35 | struct drm_file; |
36 | struct drm_i915_gem_object; |
37 | struct drm_i915_private; |
38 | struct i915_gem_ww_ctx; |
39 | struct i915_gtt_view; |
40 | struct i915_vma; |
41 | |
42 | #define I915_GEM_GPU_DOMAINS \ |
43 | (I915_GEM_DOMAIN_RENDER | \ |
44 | I915_GEM_DOMAIN_SAMPLER | \ |
45 | I915_GEM_DOMAIN_COMMAND | \ |
46 | I915_GEM_DOMAIN_INSTRUCTION | \ |
47 | I915_GEM_DOMAIN_VERTEX) |
48 | |
49 | void i915_gem_init_early(struct drm_i915_private *i915); |
50 | void i915_gem_cleanup_early(struct drm_i915_private *i915); |
51 | |
52 | void i915_gem_drain_freed_objects(struct drm_i915_private *i915); |
53 | void i915_gem_drain_workqueue(struct drm_i915_private *i915); |
54 | |
55 | struct i915_vma * __must_check |
56 | i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj, |
57 | struct i915_gem_ww_ctx *ww, |
58 | const struct i915_gtt_view *view, |
59 | u64 size, u64 alignment, u64 flags); |
60 | |
61 | struct i915_vma * __must_check |
62 | i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, |
63 | const struct i915_gtt_view *view, |
64 | u64 size, u64 alignment, u64 flags); |
65 | |
66 | int i915_gem_object_unbind(struct drm_i915_gem_object *obj, |
67 | unsigned long flags); |
68 | #define I915_GEM_OBJECT_UNBIND_ACTIVE BIT(0) |
69 | #define I915_GEM_OBJECT_UNBIND_BARRIER BIT(1) |
70 | #define I915_GEM_OBJECT_UNBIND_TEST BIT(2) |
71 | #define I915_GEM_OBJECT_UNBIND_VM_TRYLOCK BIT(3) |
72 | #define I915_GEM_OBJECT_UNBIND_ASYNC BIT(4) |
73 | |
74 | void i915_gem_runtime_suspend(struct drm_i915_private *i915); |
75 | |
76 | int __must_check i915_gem_init(struct drm_i915_private *i915); |
77 | void i915_gem_driver_register(struct drm_i915_private *i915); |
78 | void i915_gem_driver_unregister(struct drm_i915_private *i915); |
79 | void i915_gem_driver_remove(struct drm_i915_private *i915); |
80 | void i915_gem_driver_release(struct drm_i915_private *i915); |
81 | |
82 | int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file); |
83 | |
84 | /* FIXME: All of the below belong somewhere else. */ |
85 | |
86 | #ifdef CONFIG_DRM_I915_DEBUG_GEM |
87 | |
88 | #define GEM_SHOW_DEBUG() drm_debug_enabled(DRM_UT_DRIVER) |
89 | |
90 | #ifdef CONFIG_DRM_I915_DEBUG_GEM_ONCE |
91 | #define __GEM_BUG(cond) BUG() |
92 | #else |
93 | #define __GEM_BUG(cond) \ |
94 | WARN(1, "%s:%d GEM_BUG_ON(%s)\n", __func__, __LINE__, __stringify(cond)) |
95 | #endif |
96 | |
97 | #define GEM_BUG_ON(condition) do { if (unlikely((condition))) { \ |
98 | GEM_TRACE_ERR("%s:%d GEM_BUG_ON(%s)\n", \ |
99 | __func__, __LINE__, __stringify(condition)); \ |
100 | GEM_TRACE_DUMP(); \ |
101 | __GEM_BUG(condition); \ |
102 | } \ |
103 | } while(0) |
104 | #define GEM_WARN_ON(expr) WARN_ON(expr) |
105 | |
106 | #define GEM_DEBUG_WARN_ON(expr) GEM_WARN_ON(expr) |
107 | |
108 | #else |
109 | |
110 | #define GEM_SHOW_DEBUG() (0) |
111 | |
112 | #define GEM_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr) |
113 | #define GEM_WARN_ON(expr) ({ unlikely(!!(expr)); }) |
114 | |
115 | #define GEM_DEBUG_WARN_ON(expr) ({ BUILD_BUG_ON_INVALID(expr); 0; }) |
116 | #endif |
117 | |
118 | #if IS_ENABLED(CONFIG_DRM_I915_TRACE_GEM) |
119 | #define GEM_TRACE(...) trace_printk(__VA_ARGS__) |
120 | #define GEM_TRACE_ERR(...) do { \ |
121 | pr_err(__VA_ARGS__); \ |
122 | trace_printk(__VA_ARGS__); \ |
123 | } while (0) |
124 | #define GEM_TRACE_DUMP() \ |
125 | do { ftrace_dump(DUMP_ALL); __add_taint_for_CI(TAINT_WARN); } while (0) |
126 | #define GEM_TRACE_DUMP_ON(expr) \ |
127 | do { if (expr) GEM_TRACE_DUMP(); } while (0) |
128 | #else |
129 | #define GEM_TRACE(...) do { } while (0) |
130 | #define GEM_TRACE_ERR(...) do { } while (0) |
131 | #define GEM_TRACE_DUMP() do { } while (0) |
132 | #define GEM_TRACE_DUMP_ON(expr) BUILD_BUG_ON_INVALID(expr) |
133 | #endif |
134 | |
135 | #define I915_GEM_IDLE_TIMEOUT (HZ / 5) |
136 | |
137 | #endif /* __I915_GEM_H__ */ |
138 | |