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
13struct drm_i915_private;
14struct 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
22static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
23{
24	return container_of(uc, struct intel_gt, uc);
25}
26
27static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
28{
29	return container_of(guc, struct intel_gt, uc.guc);
30}
31
32static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
33{
34	return container_of(huc, struct intel_gt, uc.huc);
35}
36
37void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
38void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt);
39int intel_gt_probe_lmem(struct intel_gt *gt);
40int intel_gt_init_mmio(struct intel_gt *gt);
41int __must_check intel_gt_init_hw(struct intel_gt *gt);
42int intel_gt_init(struct intel_gt *gt);
43void intel_gt_driver_register(struct intel_gt *gt);
44
45void intel_gt_driver_unregister(struct intel_gt *gt);
46void intel_gt_driver_remove(struct intel_gt *gt);
47void intel_gt_driver_release(struct intel_gt *gt);
48
49void intel_gt_driver_late_release(struct intel_gt *gt);
50
51void intel_gt_check_and_clear_faults(struct intel_gt *gt);
52void intel_gt_clear_error_registers(struct intel_gt *gt,
53				    intel_engine_mask_t engine_mask);
54
55void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
56void intel_gt_chipset_flush(struct intel_gt *gt);
57
58static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
59					  enum intel_gt_scratch_field field)
60{
61	return i915_ggtt_offset(gt->scratch) + field;
62}
63
64static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt)
65{
66	return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags) ||
67	       test_bit(I915_WEDGED_ON_FINI, &gt->reset.flags);
68}
69
70static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
71{
72	GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) &&
73		   !test_bit(I915_WEDGED, &gt->reset.flags));
74
75	return unlikely(test_bit(I915_WEDGED, &gt->reset.flags));
76}
77
78void intel_gt_info_print(const struct intel_gt_info *info,
79			 struct drm_printer *p);
80
81void intel_gt_watchdog_work(struct work_struct *work);
82
83#endif /* __INTEL_GT_H__ */