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