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 struct drm_printer;
  15
  16 #define GT_TRACE(gt, fmt, ...) do {                                     \
  17         const struct intel_gt *gt__ __maybe_unused = (gt);              \
  18         GEM_TRACE("%s " fmt, dev_name(gt__->i915->drm.dev),             \
  19                   ##__VA_ARGS__);                                       \
  20 } while (0)
  21
  22 static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
  23 {
  24         return container_of(uc, struct intel_gt, uc);
  25 }
  26
  27 static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
  28 {
  29         return container_of(guc, struct intel_gt, uc.guc);
  30 }
  31
  32 static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
  33 {
  34         return container_of(huc, struct intel_gt, uc.huc);
  35 }
  36
  37 void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
  38 void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt);
  39 int intel_gt_init_mmio(struct intel_gt *gt);
  40 int __must_check intel_gt_init_hw(struct intel_gt *gt);
  41 int intel_gt_init(struct intel_gt *gt);
  42 void intel_gt_driver_register(struct intel_gt *gt);
  43
  44 void intel_gt_driver_unregister(struct intel_gt *gt);
  45 void intel_gt_driver_remove(struct intel_gt *gt);
  46 void intel_gt_driver_release(struct intel_gt *gt);
  47
  48 void intel_gt_driver_late_release(struct intel_gt *gt);
  49
  50 void intel_gt_check_and_clear_faults(struct intel_gt *gt);
  51 void intel_gt_clear_error_registers(struct intel_gt *gt,
  52                                     intel_engine_mask_t engine_mask);
  53
  54 void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
  55 void intel_gt_chipset_flush(struct intel_gt *gt);
  56
  57 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
  58                                           enum intel_gt_scratch_field field)
  59 {
  60         return i915_ggtt_offset(gt->scratch) + field;
  61 }
  62
  63 static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt)
  64 {
  65         return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags) ||
  66                test_bit(I915_WEDGED_ON_FINI, &gt->reset.flags);
  67 }
  68
  69 static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
  70 {
  71         GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) &&
  72                    !test_bit(I915_WEDGED, &gt->reset.flags));
  73
  74         return unlikely(test_bit(I915_WEDGED, &gt->reset.flags));
  75 }
  76
  77 void intel_gt_info_print(const struct intel_gt_info *info,
  78                          struct drm_printer *p);
  79
  80 #endif /* __INTEL_GT_H__ */