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 struct insert_entries {
17 struct i915_address_space *vm;
18 struct i915_vma_resource *vma_res;
19 enum i915_cache_level level;
20 u32 flags;
21 };
22
23 #define GT_TRACE(gt, fmt, ...) do { \
24 const struct intel_gt *gt__ __maybe_unused = (gt); \
25 GEM_TRACE("%s " fmt, dev_name(gt__->i915->drm.dev), \
26 ##__VA_ARGS__); \
27 } while (0)
28
gt_is_root(struct intel_gt * gt)29 static inline bool gt_is_root(struct intel_gt *gt)
30 {
31 return !gt->info.id;
32 }
33
uc_to_gt(struct intel_uc * uc)34 static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
35 {
36 return container_of(uc, struct intel_gt, uc);
37 }
38
guc_to_gt(struct intel_guc * guc)39 static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
40 {
41 return container_of(guc, struct intel_gt, uc.guc);
42 }
43
huc_to_gt(struct intel_huc * huc)44 static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
45 {
46 return container_of(huc, struct intel_gt, uc.huc);
47 }
48
gsc_to_gt(struct intel_gsc * gsc)49 static inline struct intel_gt *gsc_to_gt(struct intel_gsc *gsc)
50 {
51 return container_of(gsc, struct intel_gt, gsc);
52 }
53
54 void intel_root_gt_init_early(struct drm_i915_private *i915);
55 int intel_gt_assign_ggtt(struct intel_gt *gt);
56 int intel_gt_init_mmio(struct intel_gt *gt);
57 int __must_check intel_gt_init_hw(struct intel_gt *gt);
58 int intel_gt_init(struct intel_gt *gt);
59 void intel_gt_driver_register(struct intel_gt *gt);
60
61 void intel_gt_driver_unregister(struct intel_gt *gt);
62 void intel_gt_driver_remove(struct intel_gt *gt);
63 void intel_gt_driver_release(struct intel_gt *gt);
64
65 void intel_gt_driver_late_release_all(struct drm_i915_private *i915);
66
67 int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout);
68
69 void intel_gt_check_and_clear_faults(struct intel_gt *gt);
70 void intel_gt_clear_error_registers(struct intel_gt *gt,
71 intel_engine_mask_t engine_mask);
72
73 void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
74 void intel_gt_chipset_flush(struct intel_gt *gt);
75
intel_gt_scratch_offset(const struct intel_gt * gt,enum intel_gt_scratch_field field)76 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
77 enum intel_gt_scratch_field field)
78 {
79 return i915_ggtt_offset(gt->scratch) + field;
80 }
81
intel_gt_has_unrecoverable_error(const struct intel_gt * gt)82 static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt)
83 {
84 return test_bit(I915_WEDGED_ON_INIT, >->reset.flags) ||
85 test_bit(I915_WEDGED_ON_FINI, >->reset.flags);
86 }
87
intel_gt_is_wedged(const struct intel_gt * gt)88 static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
89 {
90 GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) &&
91 !test_bit(I915_WEDGED, >->reset.flags));
92
93 return unlikely(test_bit(I915_WEDGED, >->reset.flags));
94 }
95
intel_gt_needs_read_steering(struct intel_gt * gt,enum intel_steering_type type)96 static inline bool intel_gt_needs_read_steering(struct intel_gt *gt,
97 enum intel_steering_type type)
98 {
99 return gt->steering_table[type];
100 }
101
102 void intel_gt_get_valid_steering_for_reg(struct intel_gt *gt, i915_reg_t reg,
103 u8 *sliceid, u8 *subsliceid);
104
105 u32 intel_gt_read_register_fw(struct intel_gt *gt, i915_reg_t reg);
106 u32 intel_gt_read_register(struct intel_gt *gt, i915_reg_t reg);
107
108 void intel_gt_report_steering(struct drm_printer *p, struct intel_gt *gt,
109 bool dump_table);
110
111 int intel_gt_probe_all(struct drm_i915_private *i915);
112 int intel_gt_tiles_init(struct drm_i915_private *i915);
113 void intel_gt_release_all(struct drm_i915_private *i915);
114
115 #define for_each_gt(gt__, i915__, id__) \
116 for ((id__) = 0; \
117 (id__) < I915_MAX_GT; \
118 (id__)++) \
119 for_each_if(((gt__) = (i915__)->gt[(id__)]))
120
121 void intel_gt_info_print(const struct intel_gt_info *info,
122 struct drm_printer *p);
123
124 void intel_gt_watchdog_work(struct work_struct *work);
125
intel_gt_tlb_seqno(const struct intel_gt * gt)126 static inline u32 intel_gt_tlb_seqno(const struct intel_gt *gt)
127 {
128 return seqprop_sequence(>->tlb.seqno);
129 }
130
intel_gt_next_invalidate_tlb_full(const struct intel_gt * gt)131 static inline u32 intel_gt_next_invalidate_tlb_full(const struct intel_gt *gt)
132 {
133 return intel_gt_tlb_seqno(gt) | 1;
134 }
135
136 void intel_gt_invalidate_tlb(struct intel_gt *gt, u32 seqno);
137
138 struct resource intel_pci_resource(struct pci_dev *pdev, int bar);
139
140 #endif /* __INTEL_GT_H__ */
141