1 /* SPDX-License-Identifier: MIT */
3 * Copyright © 2008-2018 Intel Corporation
9 #include <linux/compiler.h>
10 #include <linux/types.h>
11 #include <linux/srcu.h>
13 #include "intel_engine_types.h"
14 #include "intel_reset_types.h"
17 struct intel_engine_cs;
21 void intel_gt_init_reset(struct intel_gt *gt);
22 void intel_gt_fini_reset(struct intel_gt *gt);
25 void intel_gt_handle_error(struct intel_gt *gt,
26 intel_engine_mask_t engine_mask,
28 const char *fmt, ...);
29 #define I915_ERROR_CAPTURE BIT(0)
31 void intel_gt_reset(struct intel_gt *gt,
32 intel_engine_mask_t stalled_mask,
34 int intel_engine_reset(struct intel_engine_cs *engine,
36 int __intel_engine_reset_bh(struct intel_engine_cs *engine,
39 void __i915_request_reset(struct i915_request *rq, bool guilty);
41 int __must_check intel_gt_reset_trylock(struct intel_gt *gt, int *srcu);
42 int __must_check intel_gt_reset_lock_interruptible(struct intel_gt *gt, int *srcu);
43 void intel_gt_reset_unlock(struct intel_gt *gt, int tag);
45 void intel_gt_set_wedged(struct intel_gt *gt);
46 bool intel_gt_unset_wedged(struct intel_gt *gt);
47 int intel_gt_terminally_wedged(struct intel_gt *gt);
50 * There's no unset_wedged_on_init paired with this one.
51 * Once we're wedged on init, there's no going back.
52 * Same thing for unset_wedged_on_fini.
54 void intel_gt_set_wedged_on_init(struct intel_gt *gt);
55 void intel_gt_set_wedged_on_fini(struct intel_gt *gt);
57 int intel_gt_reset_engine(struct intel_engine_cs *engine);
58 int intel_gt_reset_all_engines(struct intel_gt *gt);
60 int intel_reset_guc(struct intel_gt *gt);
62 struct intel_wedge_me {
63 struct delayed_work work;
68 void __intel_init_wedge(struct intel_wedge_me *w,
72 void __intel_fini_wedge(struct intel_wedge_me *w);
74 #define intel_wedge_on_timeout(W, GT, TIMEOUT) \
75 for (__intel_init_wedge((W), (GT), (TIMEOUT), __func__); \
77 __intel_fini_wedge((W)))
79 bool intel_has_gpu_reset(const struct intel_gt *gt);
80 bool intel_has_reset_engine(const struct intel_gt *gt);
82 bool intel_engine_reset_needs_wa_22011802037(struct intel_gt *gt);
84 #endif /* I915_RESET_H */