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      1 /*	$NetBSD: intel_gt.h,v 1.2 2021/12/18 23:45:30 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 /*
      5  * Copyright  2019 Intel Corporation
      6  */
      7 
      8 #ifndef __INTEL_GT__
      9 #define __INTEL_GT__
     10 
     11 #include "intel_engine_types.h"
     12 #include "intel_gt_types.h"
     13 #include "intel_reset.h"
     14 
     15 struct drm_i915_private;
     16 
     17 #define GT_TRACE(gt, fmt, ...) do {					\
     18 	const struct intel_gt *gt__ __maybe_unused = (gt);		\
     19 	GEM_TRACE("%s  " fmt, dev_name(gt__->i915->drm.dev),		\
     20 		  ##__VA_ARGS__);					\
     21 } while (0)
     22 
     23 static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
     24 {
     25 	return container_of(uc, struct intel_gt, uc);
     26 }
     27 
     28 static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
     29 {
     30 	return container_of(guc, struct intel_gt, uc.guc);
     31 }
     32 
     33 static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
     34 {
     35 	return container_of(huc, struct intel_gt, uc.huc);
     36 }
     37 
     38 void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
     39 void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt);
     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_is_wedged(const struct intel_gt *gt)
     64 {
     65 	return __intel_reset_failed(&gt->reset);
     66 }
     67 
     68 static inline bool intel_gt_has_init_error(const struct intel_gt *gt)
     69 {
     70 	return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags);
     71 }
     72 
     73 #endif /* __INTEL_GT_H__ */
     74