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
gt_is_root(struct intel_gt * gt)23 static inline bool gt_is_root(struct intel_gt *gt)
24 {
25 return !gt->info.id;
26 }
27
intel_gt_needs_wa_22016122933(struct intel_gt * gt)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
uc_to_gt(struct intel_uc * uc)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
guc_to_gt(struct intel_guc * guc)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
huc_to_gt(struct intel_huc * huc)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
gsc_uc_to_gt(struct intel_gsc_uc * gsc_uc)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
gsc_to_gt(struct intel_gsc * gsc)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
intel_gt_scratch_offset(const struct intel_gt * gt,enum intel_gt_scratch_field field)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
intel_gt_has_unrecoverable_error(const struct intel_gt * gt)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
intel_gt_is_wedged(const struct intel_gt * gt)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