1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2019 Intel Corporation 4 */ 5 6 #ifndef __INTEL_GT__ 7 #define __INTEL_GT__ 8 9 #include "i915_drv.h" 10 #include "intel_engine_types.h" 11 #include "intel_gt_types.h" 12 #include "intel_reset.h" 13 14 struct drm_i915_private; 15 struct drm_printer; 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 bool gt_is_root(struct intel_gt *gt) 24 { 25 return !gt->info.id; 26 } 27 28 static inline bool intel_gt_needs_wa_22016122933(struct intel_gt *gt) 29 { 30 return MEDIA_VER_FULL(gt->i915) == IP_VER(13, 0) && gt->type == GT_MEDIA; 31 } 32 33 static inline struct intel_gt *uc_to_gt(struct intel_uc *uc) 34 { 35 return container_of(uc, struct intel_gt, uc); 36 } 37 38 static inline struct intel_gt *guc_to_gt(struct intel_guc *guc) 39 { 40 return container_of(guc, struct intel_gt, uc.guc); 41 } 42 43 static inline struct intel_gt *huc_to_gt(struct intel_huc *huc) 44 { 45 return container_of(huc, struct intel_gt, uc.huc); 46 } 47 48 static inline struct intel_gt *gsc_uc_to_gt(struct intel_gsc_uc *gsc_uc) 49 { 50 return container_of(gsc_uc, struct intel_gt, uc.gsc); 51 } 52 53 static inline struct intel_gt *gsc_to_gt(struct intel_gsc *gsc) 54 { 55 return container_of(gsc, struct intel_gt, gsc); 56 } 57 58 void intel_gt_common_init_early(struct intel_gt *gt); 59 int intel_root_gt_init_early(struct drm_i915_private *i915); 60 int intel_gt_assign_ggtt(struct intel_gt *gt); 61 int intel_gt_init_mmio(struct intel_gt *gt); 62 int __must_check intel_gt_init_hw(struct intel_gt *gt); 63 int intel_gt_init(struct intel_gt *gt); 64 void intel_gt_driver_register(struct intel_gt *gt); 65 66 void intel_gt_driver_unregister(struct intel_gt *gt); 67 void intel_gt_driver_remove(struct intel_gt *gt); 68 void intel_gt_driver_release(struct intel_gt *gt); 69 void intel_gt_driver_late_release_all(struct drm_i915_private *i915); 70 71 int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout); 72 73 void intel_gt_check_and_clear_faults(struct intel_gt *gt); 74 i915_reg_t intel_gt_perf_limit_reasons_reg(struct intel_gt *gt); 75 void intel_gt_clear_error_registers(struct intel_gt *gt, 76 intel_engine_mask_t engine_mask); 77 78 void intel_gt_flush_ggtt_writes(struct intel_gt *gt); 79 void intel_gt_chipset_flush(struct intel_gt *gt); 80 81 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt, 82 enum intel_gt_scratch_field field) 83 { 84 return i915_ggtt_offset(gt->scratch) + field; 85 } 86 87 static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt) 88 { 89 return test_bit(I915_WEDGED_ON_INIT, >->reset.flags) || 90 test_bit(I915_WEDGED_ON_FINI, >->reset.flags); 91 } 92 93 static inline bool intel_gt_is_wedged(const struct intel_gt *gt) 94 { 95 GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) && 96 !test_bit(I915_WEDGED, >->reset.flags)); 97 98 return unlikely(test_bit(I915_WEDGED, >->reset.flags)); 99 } 100 101 int intel_gt_probe_all(struct drm_i915_private *i915); 102 int intel_gt_tiles_init(struct drm_i915_private *i915); 103 void intel_gt_release_all(struct drm_i915_private *i915); 104 105 #define for_each_gt(gt__, i915__, id__) \ 106 for ((id__) = 0; \ 107 (id__) < I915_MAX_GT; \ 108 (id__)++) \ 109 for_each_if(((gt__) = (i915__)->gt[(id__)])) 110 111 void intel_gt_info_print(const struct intel_gt_info *info, 112 struct drm_printer *p); 113 114 void intel_gt_watchdog_work(struct work_struct *work); 115 116 enum i915_map_type intel_gt_coherent_map_type(struct intel_gt *gt, 117 struct drm_i915_gem_object *obj, 118 bool always_coherent); 119 120 #endif /* __INTEL_GT_H__ */ 121