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
14struct drm_i915_private;
15struct 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
23static inline bool gt_is_root(struct intel_gt *gt)
24{
25	return !gt->info.id;
26}
27
28static 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
33static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
34{
35	return container_of(uc, struct intel_gt, uc);
36}
37
38static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
39{
40	return container_of(guc, struct intel_gt, uc.guc);
41}
42
43static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
44{
45	return container_of(huc, struct intel_gt, uc.huc);
46}
47
48static 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
53static inline struct intel_gt *gsc_to_gt(struct intel_gsc *gsc)
54{
55	return container_of(gsc, struct intel_gt, gsc);
56}
57
58void intel_gt_common_init_early(struct intel_gt *gt);
59int intel_root_gt_init_early(struct drm_i915_private *i915);
60int intel_gt_assign_ggtt(struct intel_gt *gt);
61int intel_gt_init_mmio(struct intel_gt *gt);
62int __must_check intel_gt_init_hw(struct intel_gt *gt);
63int intel_gt_init(struct intel_gt *gt);
64void intel_gt_driver_register(struct intel_gt *gt);
65
66void intel_gt_driver_unregister(struct intel_gt *gt);
67void intel_gt_driver_remove(struct intel_gt *gt);
68void intel_gt_driver_release(struct intel_gt *gt);
69void intel_gt_driver_late_release_all(struct drm_i915_private *i915);
70
71int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout);
72
73void intel_gt_check_and_clear_faults(struct intel_gt *gt);
74i915_reg_t intel_gt_perf_limit_reasons_reg(struct intel_gt *gt);
75void intel_gt_clear_error_registers(struct intel_gt *gt,
76				    intel_engine_mask_t engine_mask);
77
78void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
79void intel_gt_chipset_flush(struct intel_gt *gt);
80
81static 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
87static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt)
88{
89	return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags) ||
90	       test_bit(I915_WEDGED_ON_FINI, &gt->reset.flags);
91}
92
93static 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, &gt->reset.flags));
97
98	return unlikely(test_bit(I915_WEDGED, &gt->reset.flags));
99}
100
101int intel_gt_probe_all(struct drm_i915_private *i915);
102int intel_gt_tiles_init(struct drm_i915_private *i915);
103void 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
111void intel_gt_info_print(const struct intel_gt_info *info,
112			 struct drm_printer *p);
113
114void intel_gt_watchdog_work(struct work_struct *work);
115
116enum 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