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11 * The above copyright notice and this permission notice (including the next
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25 #ifndef __I915_GEM_H__
26 #define __I915_GEM_H__
28 #include <linux/bug.h>
29 #include <linux/types.h>
31 #include <drm/drm_drv.h>
33 #include "i915_utils.h"
36 struct drm_i915_gem_object;
37 struct drm_i915_private;
38 struct i915_gem_ww_ctx;
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)
49 void i915_gem_init_early(struct drm_i915_private *i915);
50 void i915_gem_cleanup_early(struct drm_i915_private *i915);
52 void i915_gem_drain_freed_objects(struct drm_i915_private *i915);
53 void i915_gem_drain_workqueue(struct drm_i915_private *i915);
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);
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);
66 int i915_gem_object_unbind(struct drm_i915_gem_object *obj,
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)
74 void i915_gem_runtime_suspend(struct drm_i915_private *i915);
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);
82 int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file);
84 /* FIXME: All of the below belong somewhere else. */
86 #ifdef CONFIG_DRM_I915_DEBUG_GEM
88 #define GEM_SHOW_DEBUG() drm_debug_enabled(DRM_UT_DRIVER)
90 #ifdef CONFIG_DRM_I915_DEBUG_GEM_ONCE
91 #define __GEM_BUG(cond) BUG()
93 #define __GEM_BUG(cond) \
94 WARN(1, "%s:%d GEM_BUG_ON(%s)\n", __func__, __LINE__, __stringify(cond))
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)); \
101 __GEM_BUG(condition); \
104 #define GEM_WARN_ON(expr) WARN_ON(expr)
106 #define GEM_DEBUG_WARN_ON(expr) GEM_WARN_ON(expr)
110 #define GEM_SHOW_DEBUG() (0)
112 #define GEM_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr)
113 #define GEM_WARN_ON(expr) ({ unlikely(!!(expr)); })
115 #define GEM_DEBUG_WARN_ON(expr) ({ BUILD_BUG_ON_INVALID(expr); 0; })
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__); \
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)
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)
135 #define I915_GEM_IDLE_TIMEOUT (HZ / 5)
137 #endif /* __I915_GEM_H__ */