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 
gt_is_root(struct intel_gt * gt)22 static inline bool gt_is_root(struct intel_gt *gt)
23 {
24 	return !gt->info.id;
25 }
26 
uc_to_gt(struct intel_uc * uc)27 static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
28 {
29 	return container_of(uc, struct intel_gt, uc);
30 }
31 
guc_to_gt(struct intel_guc * guc)32 static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
33 {
34 	return container_of(guc, struct intel_gt, uc.guc);
35 }
36 
huc_to_gt(struct intel_huc * huc)37 static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
38 {
39 	return container_of(huc, struct intel_gt, uc.huc);
40 }
41 
gsc_uc_to_gt(struct intel_gsc_uc * gsc_uc)42 static inline struct intel_gt *gsc_uc_to_gt(struct intel_gsc_uc *gsc_uc)
43 {
44 	return container_of(gsc_uc, struct intel_gt, uc.gsc);
45 }
46 
gsc_to_gt(struct intel_gsc * gsc)47 static inline struct intel_gt *gsc_to_gt(struct intel_gsc *gsc)
48 {
49 	return container_of(gsc, struct intel_gt, gsc);
50 }
51 
52 void intel_gt_common_init_early(struct intel_gt *gt);
53 int intel_root_gt_init_early(struct drm_i915_private *i915);
54 int intel_gt_assign_ggtt(struct intel_gt *gt);
55 int intel_gt_init_mmio(struct intel_gt *gt);
56 int __must_check intel_gt_init_hw(struct intel_gt *gt);
57 int intel_gt_init(struct intel_gt *gt);
58 void intel_gt_driver_register(struct intel_gt *gt);
59 
60 void intel_gt_driver_unregister(struct intel_gt *gt);
61 void intel_gt_driver_remove(struct intel_gt *gt);
62 void intel_gt_driver_release(struct intel_gt *gt);
63 void intel_gt_driver_late_release_all(struct drm_i915_private *i915);
64 
65 int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout);
66 
67 void intel_gt_check_and_clear_faults(struct intel_gt *gt);
68 i915_reg_t intel_gt_perf_limit_reasons_reg(struct intel_gt *gt);
69 void intel_gt_clear_error_registers(struct intel_gt *gt,
70 				    intel_engine_mask_t engine_mask);
71 
72 void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
73 void intel_gt_chipset_flush(struct intel_gt *gt);
74 
intel_gt_scratch_offset(const struct intel_gt * gt,enum intel_gt_scratch_field field)75 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
76 					  enum intel_gt_scratch_field field)
77 {
78 	return i915_ggtt_offset(gt->scratch) + field;
79 }
80 
intel_gt_has_unrecoverable_error(const struct intel_gt * gt)81 static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt)
82 {
83 	return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags) ||
84 	       test_bit(I915_WEDGED_ON_FINI, &gt->reset.flags);
85 }
86 
intel_gt_is_wedged(const struct intel_gt * gt)87 static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
88 {
89 	GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) &&
90 		   !test_bit(I915_WEDGED, &gt->reset.flags));
91 
92 	return unlikely(test_bit(I915_WEDGED, &gt->reset.flags));
93 }
94 
95 int intel_gt_probe_all(struct drm_i915_private *i915);
96 int intel_gt_tiles_init(struct drm_i915_private *i915);
97 void intel_gt_release_all(struct drm_i915_private *i915);
98 
99 #define for_each_gt(gt__, i915__, id__) \
100 	for ((id__) = 0; \
101 	     (id__) < I915_MAX_GT; \
102 	     (id__)++) \
103 		for_each_if(((gt__) = (i915__)->gt[(id__)]))
104 
105 void intel_gt_info_print(const struct intel_gt_info *info,
106 			 struct drm_printer *p);
107 
108 void intel_gt_watchdog_work(struct work_struct *work);
109 
intel_gt_tlb_seqno(const struct intel_gt * gt)110 static inline u32 intel_gt_tlb_seqno(const struct intel_gt *gt)
111 {
112 	return seqprop_sequence(&gt->tlb.seqno);
113 }
114 
intel_gt_next_invalidate_tlb_full(const struct intel_gt * gt)115 static inline u32 intel_gt_next_invalidate_tlb_full(const struct intel_gt *gt)
116 {
117 	return intel_gt_tlb_seqno(gt) | 1;
118 }
119 
120 void intel_gt_invalidate_tlb(struct intel_gt *gt, u32 seqno);
121 
122 #endif /* __INTEL_GT_H__ */
123