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
uc_to_gt(struct intel_uc * uc)22 static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
23 {
24 return container_of(uc, struct intel_gt, uc);
25 }
26
guc_to_gt(struct intel_guc * guc)27 static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
28 {
29 return container_of(guc, struct intel_gt, uc.guc);
30 }
31
huc_to_gt(struct intel_huc * huc)32 static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
33 {
34 return container_of(huc, struct intel_gt, uc.huc);
35 }
36
37 void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
38 void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt);
39 int intel_gt_probe_lmem(struct intel_gt *gt);
40 int intel_gt_init_mmio(struct intel_gt *gt);
41 int __must_check intel_gt_init_hw(struct intel_gt *gt);
42 int intel_gt_init(struct intel_gt *gt);
43 void intel_gt_driver_register(struct intel_gt *gt);
44
45 void intel_gt_driver_unregister(struct intel_gt *gt);
46 void intel_gt_driver_remove(struct intel_gt *gt);
47 void intel_gt_driver_release(struct intel_gt *gt);
48
49 void intel_gt_driver_late_release(struct intel_gt *gt);
50
51 int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout);
52
53 void intel_gt_check_and_clear_faults(struct intel_gt *gt);
54 void intel_gt_clear_error_registers(struct intel_gt *gt,
55 intel_engine_mask_t engine_mask);
56
57 void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
58 void intel_gt_chipset_flush(struct intel_gt *gt);
59
intel_gt_scratch_offset(const struct intel_gt * gt,enum intel_gt_scratch_field field)60 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
61 enum intel_gt_scratch_field field)
62 {
63 return i915_ggtt_offset(gt->scratch) + field;
64 }
65
intel_gt_has_unrecoverable_error(const struct intel_gt * gt)66 static inline bool intel_gt_has_unrecoverable_error(const struct intel_gt *gt)
67 {
68 return test_bit(I915_WEDGED_ON_INIT, >->reset.flags) ||
69 test_bit(I915_WEDGED_ON_FINI, >->reset.flags);
70 }
71
intel_gt_is_wedged(const struct intel_gt * gt)72 static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
73 {
74 GEM_BUG_ON(intel_gt_has_unrecoverable_error(gt) &&
75 !test_bit(I915_WEDGED, >->reset.flags));
76
77 return unlikely(test_bit(I915_WEDGED, >->reset.flags));
78 }
79
intel_gt_needs_read_steering(struct intel_gt * gt,enum intel_steering_type type)80 static inline bool intel_gt_needs_read_steering(struct intel_gt *gt,
81 enum intel_steering_type type)
82 {
83 return gt->steering_table[type];
84 }
85
86 u32 intel_gt_read_register_fw(struct intel_gt *gt, i915_reg_t reg);
87
88 void intel_gt_info_print(const struct intel_gt_info *info,
89 struct drm_printer *p);
90
91 void intel_gt_watchdog_work(struct work_struct *work);
92
93 #endif /* __INTEL_GT_H__ */
94