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_probe_lmem(struct intel_gt *gt); 40 int intel_gt_init_mmio(struct intel_gt *gt); 41 int __must_check intel_gt_init_hw(struct intel_gt *gt); 42 int intel_gt_init(struct intel_gt *gt); 43 void intel_gt_driver_register(struct intel_gt *gt); 44 45 void intel_gt_driver_unregister(struct intel_gt *gt); 46 void intel_gt_driver_remove(struct intel_gt *gt); 47 void intel_gt_driver_release(struct intel_gt *gt); 48 49 void intel_gt_driver_late_release(struct intel_gt *gt); 50 51 int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout); 52 53 void intel_gt_check_and_clear_faults(struct intel_gt *gt); 54 void intel_gt_clear_error_registers(struct intel_gt *gt, 55 intel_engine_mask_t engine_mask); 56 57 void intel_gt_flush_ggtt_writes(struct intel_gt *gt); 58 void intel_gt_chipset_flush(struct intel_gt *gt); 59 60 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt, 61 enum intel_gt_scratch_field field) 62 { 63 return i915_ggtt_offset(gt->scratch) + field; 64 } 65 66 static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt) 67 { 68 return test_bit(I915_WEDGED_ON_INIT, >->reset.flags) || 69 test_bit(I915_WEDGED_ON_FINI, >->reset.flags); 70 } 71 72 static inline bool intel_gt_is_wedged(const struct intel_gt *gt) 73 { 74 GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) && 75 !test_bit(I915_WEDGED, >->reset.flags)); 76 77 return unlikely(test_bit(I915_WEDGED, >->reset.flags)); 78 } 79 80 static inline bool intel_gt_needs_read_steering(struct intel_gt *gt, 81 enum intel_steering_type type) 82 { 83 return gt->steering_table[type]; 84 } 85 86 u32 intel_gt_read_register_fw(struct intel_gt *gt, i915_reg_t reg); 87 88 void intel_gt_info_print(const struct intel_gt_info *info, 89 struct drm_printer *p); 90 91 void intel_gt_watchdog_work(struct work_struct *work); 92 93 #endif /* __INTEL_GT_H__ */ 94