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_early(struct intel_gt *gt, struct drm_i915_private *i915); 39 int intel_gt_assign_ggtt(struct intel_gt *gt); 40 int intel_gt_probe_lmem(struct intel_gt *gt); 41 int intel_gt_init_mmio(struct intel_gt *gt); 42 int __must_check intel_gt_init_hw(struct intel_gt *gt); 43 int intel_gt_init(struct intel_gt *gt); 44 void intel_gt_driver_register(struct intel_gt *gt); 45 46 void intel_gt_driver_unregister(struct intel_gt *gt); 47 void intel_gt_driver_remove(struct intel_gt *gt); 48 void intel_gt_driver_release(struct intel_gt *gt); 49 50 void intel_gt_driver_late_release(struct intel_gt *gt); 51 52 int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout); 53 54 void intel_gt_check_and_clear_faults(struct intel_gt *gt); 55 void intel_gt_clear_error_registers(struct intel_gt *gt, 56 intel_engine_mask_t engine_mask); 57 58 void intel_gt_flush_ggtt_writes(struct intel_gt *gt); 59 void intel_gt_chipset_flush(struct intel_gt *gt); 60 61 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt, 62 enum intel_gt_scratch_field field) 63 { 64 return i915_ggtt_offset(gt->scratch) + field; 65 } 66 67 static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt) 68 { 69 return test_bit(I915_WEDGED_ON_INIT, >->reset.flags) || 70 test_bit(I915_WEDGED_ON_FINI, >->reset.flags); 71 } 72 73 static inline bool intel_gt_is_wedged(const struct intel_gt *gt) 74 { 75 GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) && 76 !test_bit(I915_WEDGED, >->reset.flags)); 77 78 return unlikely(test_bit(I915_WEDGED, >->reset.flags)); 79 } 80 81 static inline bool intel_gt_needs_read_steering(struct intel_gt *gt, 82 enum intel_steering_type type) 83 { 84 return gt->steering_table[type]; 85 } 86 87 u32 intel_gt_read_register_fw(struct intel_gt *gt, i915_reg_t reg); 88 u32 intel_gt_read_register(struct intel_gt *gt, i915_reg_t reg); 89 90 void intel_gt_info_print(const struct intel_gt_info *info, 91 struct drm_printer *p); 92 93 void intel_gt_watchdog_work(struct work_struct *work); 94 95 void intel_gt_invalidate_tlbs(struct intel_gt *gt); 96 97 #endif /* __INTEL_GT_H__ */ 98