drivers/gpu/drm/i915/i915_reset.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright © 2008-2018 Intel Corporation
   5  */
   6
   7 #ifndef I915_RESET_H
   8 #define I915_RESET_H
   9
  10 #include <linux/compiler.h>
  11 #include <linux/types.h>
  12
  13 struct drm_i915_private;
  14 struct intel_engine_cs;
  15 struct intel_guc;
  16
  17 __printf(4, 5)
  18 void i915_handle_error(struct drm_i915_private *i915,
  19                        u32 engine_mask,
  20                        unsigned long flags,
  21                        const char *fmt, ...);
  22 #define I915_ERROR_CAPTURE BIT(0)
  23
  24 void i915_clear_error_registers(struct drm_i915_private *i915);
  25
  26 void i915_reset(struct drm_i915_private *i915,
  27                 unsigned int stalled_mask,
  28                 const char *reason);
  29 int i915_reset_engine(struct intel_engine_cs *engine,
  30                       const char *reason);
  31
  32 void i915_reset_request(struct i915_request *rq, bool guilty);
  33 bool i915_reset_flush(struct drm_i915_private *i915);
  34
  35 bool intel_has_gpu_reset(struct drm_i915_private *i915);
  36 bool intel_has_reset_engine(struct drm_i915_private *i915);
  37
  38 int intel_gpu_reset(struct drm_i915_private *i915, u32 engine_mask);
  39
  40 int intel_reset_guc(struct drm_i915_private *i915);
  41
  42 struct i915_wedge_me {
  43         struct delayed_work work;
  44         struct drm_i915_private *i915;
  45         const char *name;
  46 };
  47
  48 void __i915_init_wedge(struct i915_wedge_me *w,
  49                        struct drm_i915_private *i915,
  50                        long timeout,
  51                        const char *name);
  52 void __i915_fini_wedge(struct i915_wedge_me *w);
  53
  54 #define i915_wedge_on_timeout(W, DEV, TIMEOUT)                          \
  55         for (__i915_init_wedge((W), (DEV), (TIMEOUT), __func__);        \
  56              (W)->i915;                                                 \
  57              __i915_fini_wedge((W)))
  58
  59 #endif /* I915_RESET_H */