xref: /openbmc/linux/drivers/gpu/drm/i915/gt/intel_gt.h (revision 84224720)
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 
15 #define GT_TRACE(gt, fmt, ...) do {					\
16 	const struct intel_gt *gt__ __maybe_unused = (gt);		\
17 	GEM_TRACE("%s " fmt, dev_name(gt__->i915->drm.dev),		\
18 		  ##__VA_ARGS__);					\
19 } while (0)
20 
21 static inline struct intel_gt *uc_to_gt(struct intel_uc *uc)
22 {
23 	return container_of(uc, struct intel_gt, uc);
24 }
25 
26 static inline struct intel_gt *guc_to_gt(struct intel_guc *guc)
27 {
28 	return container_of(guc, struct intel_gt, uc.guc);
29 }
30 
31 static inline struct intel_gt *huc_to_gt(struct intel_huc *huc)
32 {
33 	return container_of(huc, struct intel_gt, uc.huc);
34 }
35 
36 void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
37 void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt);
38 int __must_check intel_gt_init_hw(struct intel_gt *gt);
39 int intel_gt_init(struct intel_gt *gt);
40 void intel_gt_driver_register(struct intel_gt *gt);
41 
42 void intel_gt_driver_unregister(struct intel_gt *gt);
43 void intel_gt_driver_remove(struct intel_gt *gt);
44 void intel_gt_driver_release(struct intel_gt *gt);
45 
46 void intel_gt_driver_late_release(struct intel_gt *gt);
47 
48 void intel_gt_check_and_clear_faults(struct intel_gt *gt);
49 void intel_gt_clear_error_registers(struct intel_gt *gt,
50 				    intel_engine_mask_t engine_mask);
51 
52 void intel_gt_flush_ggtt_writes(struct intel_gt *gt);
53 void intel_gt_chipset_flush(struct intel_gt *gt);
54 
55 static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt,
56 					  enum intel_gt_scratch_field field)
57 {
58 	return i915_ggtt_offset(gt->scratch) + field;
59 }
60 
61 static inline bool intel_gt_is_wedged(const struct intel_gt *gt)
62 {
63 	return __intel_reset_failed(&gt->reset);
64 }
65 
66 static inline bool intel_gt_has_init_error(const struct intel_gt *gt)
67 {
68 	return test_bit(I915_WEDGED_ON_INIT, &gt->reset.flags);
69 }
70 
71 #endif /* __INTEL_GT_H__ */
72