drivers/gpu/drm/i915/gt/intel_gt.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_GT__
   7 #define __INTEL_GT__
   8
   9 #include "intel_engine_types.h"
  10 #include "intel_gt_types.h"
  11 #include "intel_reset.h"
  12
  13 struct drm_i915_private;
  14
  15 #define GT_TRACE(gt, fmt, ...) do {                                     \
  16         const struct intel_gt *gt__ __maybe_unused = (gt);              \
  17         GEM_TRACE("%s  " fmt, dev_name(gt__->i915->drm.dev),            \
  18                   ##__VA_ARGS__);                                       \
  19 } while (0)
  20
  21 static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
  22 {
  23         return container_of(uc, struct intel_gt, uc);
  24 }
  25
  26 static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
  27 {
  28         return container_of(guc, struct intel_gt, uc.guc);
  29 }
  30
  31 static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
  32 {
  33         return container_of(huc, struct intel_gt, uc.huc);
  34 }
  35
  36 void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
  37 void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt);
  38 int __must_check intel_gt_init_hw(struct intel_gt *gt);
  39 int intel_gt_init(struct intel_gt *gt);
  40 void intel_gt_driver_register(struct intel_gt *gt);
  41
  42 void intel_gt_driver_unregister(struct intel_gt *gt);
  43 void intel_gt_driver_remove(struct intel_gt *gt);
  44 void intel_gt_driver_release(struct intel_gt *gt);
  45
  46 void intel_gt_driver_late_release(struct intel_gt *gt);
  47
  48 void intel_gt_check_and_clear_faults(struct intel_gt *gt);
  49 void intel_gt_clear_error_registers(struct intel_gt *gt,
  50                                     intel_engine_mask_t engine_mask);
  51
  52 void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
  53 void intel_gt_chipset_flush(struct intel_gt *gt);
  54
  55 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
  56                                           enum intel_gt_scratch_field field)
  57 {
  58         return i915_ggtt_offset(gt->scratch) + field;
  59 }
  60
  61 static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
  62 {
  63         return __intel_reset_failed(&gt->reset);
  64 }
  65
  66 static inline bool intel_gt_has_init_error(const struct intel_gt *gt)
  67 {
  68         return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags);
  69 }
  70
  71 #endif /* __INTEL_GT_H__ */