138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
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/*
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* Copyright © 2016 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef __I915_GEM_H__
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#define __I915_GEM_H__
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#include <linux/bug.h>
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#include <linux/types.h>
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#include <drm/drm_drv.h>
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#include "i915_utils.h"
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struct drm_file;
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struct drm_i915_gem_object;
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struct drm_i915_private;
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struct i915_gem_ww_ctx;
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struct i915_gtt_view;
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struct i915_vma;
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#define I915_GEM_GPU_DOMAINS \
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(I915_GEM_DOMAIN_RENDER | \
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I915_GEM_DOMAIN_SAMPLER | \
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I915_GEM_DOMAIN_COMMAND | \
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I915_GEM_DOMAIN_INSTRUCTION | \
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I915_GEM_DOMAIN_VERTEX)
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void i915_gem_init_early(struct drm_i915_private *i915);
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void i915_gem_cleanup_early(struct drm_i915_private *i915);
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void i915_gem_drain_freed_objects(struct drm_i915_private *i915);
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void i915_gem_drain_workqueue(struct drm_i915_private *i915);
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struct i915_vma * __must_check
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i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj,
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struct i915_gem_ww_ctx *ww,
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const struct i915_gtt_view *view,
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u64 size, u64 alignment, u64 flags);
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struct i915_vma * __must_check
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i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
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const struct i915_gtt_view *view,
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u64 size, u64 alignment, u64 flags);
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int i915_gem_object_unbind(struct drm_i915_gem_object *obj,
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unsigned long flags);
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#define I915_GEM_OBJECT_UNBIND_ACTIVE BIT(0)
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#define I915_GEM_OBJECT_UNBIND_BARRIER BIT(1)
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#define I915_GEM_OBJECT_UNBIND_TEST BIT(2)
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#define I915_GEM_OBJECT_UNBIND_VM_TRYLOCK BIT(3)
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#define I915_GEM_OBJECT_UNBIND_ASYNC BIT(4)
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void i915_gem_runtime_suspend(struct drm_i915_private *i915);
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int __must_check i915_gem_init(struct drm_i915_private *i915);
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void i915_gem_driver_register(struct drm_i915_private *i915);
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void i915_gem_driver_unregister(struct drm_i915_private *i915);
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void i915_gem_driver_remove(struct drm_i915_private *i915);
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void i915_gem_driver_release(struct drm_i915_private *i915);
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int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file);
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/* FIXME: All of the below belong somewhere else. */
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#ifdef CONFIG_DRM_I915_DEBUG_GEM
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#define GEM_SHOW_DEBUG() drm_debug_enabled(DRM_UT_DRIVER)
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#ifdef CONFIG_DRM_I915_DEBUG_GEM_ONCE
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#define __GEM_BUG(cond) BUG()
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#else
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#define __GEM_BUG(cond) \
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WARN(1, "%s:%d GEM_BUG_ON(%s)\n", __func__, __LINE__, __stringify(cond))
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#endif
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#define GEM_BUG_ON(condition) do { if (unlikely((condition))) { \
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GEM_TRACE_ERR("%s:%d GEM_BUG_ON(%s)\n", \
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__func__, __LINE__, __stringify(condition)); \
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GEM_TRACE_DUMP(); \
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__GEM_BUG(condition); \
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} \
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} while(0)
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#define GEM_WARN_ON(expr) WARN_ON(expr)
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#define GEM_DEBUG_WARN_ON(expr) GEM_WARN_ON(expr)
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#else
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#define GEM_SHOW_DEBUG() (0)
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#define GEM_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr)
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#define GEM_WARN_ON(expr) ({ unlikely(!!(expr)); })
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#define GEM_DEBUG_WARN_ON(expr) ({ BUILD_BUG_ON_INVALID(expr); 0; })
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#endif
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#if IS_ENABLED(CONFIG_DRM_I915_TRACE_GEM)
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#define GEM_TRACE(...) trace_printk(__VA_ARGS__)
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#define GEM_TRACE_ERR(...) do { \
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pr_err(__VA_ARGS__); \
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trace_printk(__VA_ARGS__); \
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} while (0)
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#define GEM_TRACE_DUMP() \
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do { ftrace_dump(DUMP_ALL); __add_taint_for_CI(TAINT_WARN); } while (0)
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#define GEM_TRACE_DUMP_ON(expr) \
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do { if (expr) GEM_TRACE_DUMP(); } while (0)
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#else
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#define GEM_TRACE(...) do { } while (0)
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#define GEM_TRACE_ERR(...) do { } while (0)
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#define GEM_TRACE_DUMP() do { } while (0)
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#define GEM_TRACE_DUMP_ON(expr) BUILD_BUG_ON_INVALID(expr)
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#endif
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#define I915_GEM_IDLE_TIMEOUT (HZ / 5)
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#endif /* __I915_GEM_H__ */
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