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/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2008-2018 Intel Corporation
*/
#ifndef I915_RESET_H
#define I915_RESET_H
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/srcu.h>
#include "intel_engine_types.h"
struct drm_i915_private;
struct i915_request;
struct intel_engine_cs;
struct intel_guc;
__printf(4, 5)
void i915_handle_error(struct drm_i915_private *i915,
intel_engine_mask_t engine_mask,
unsigned long flags,
const char *fmt, ...);
#define I915_ERROR_CAPTURE BIT(0)
void i915_clear_error_registers(struct drm_i915_private *i915);
void i915_reset(struct drm_i915_private *i915,
intel_engine_mask_t stalled_mask,
const char *reason);
int i915_reset_engine(struct intel_engine_cs *engine,
const char *reason);
void i915_reset_request(struct i915_request *rq, bool guilty);
bool i915_reset_flush(struct drm_i915_private *i915);
int __must_check i915_reset_trylock(struct drm_i915_private *i915);
void i915_reset_unlock(struct drm_i915_private *i915, int tag);
int i915_terminally_wedged(struct drm_i915_private *i915);
bool intel_has_gpu_reset(struct drm_i915_private *i915);
bool intel_has_reset_engine(struct drm_i915_private *i915);
int intel_gpu_reset(struct drm_i915_private *i915,
intel_engine_mask_t engine_mask);
int intel_reset_guc(struct drm_i915_private *i915);
struct i915_wedge_me {
struct delayed_work work;
struct drm_i915_private *i915;
const char *name;
};
void __i915_init_wedge(struct i915_wedge_me *w,
struct drm_i915_private *i915,
long timeout,
const char *name);
void __i915_fini_wedge(struct i915_wedge_me *w);
#define i915_wedge_on_timeout(W, DEV, TIMEOUT) \
for (__i915_init_wedge((W), (DEV), (TIMEOUT), __func__); \
(W)->i915; \
__i915_fini_wedge((W)))
#endif /* I915_RESET_H */
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