2 * SPDX-License-Identifier: MIT
4 * Copyright © 2008-2018 Intel Corporation
10 #include <linux/compiler.h>
11 #include <linux/types.h>
12 #include <linux/srcu.h>
14 #include "intel_engine_types.h"
15 #include "intel_reset_types.h"
18 struct intel_engine_cs;
22 void intel_gt_init_reset(struct intel_gt *gt);
23 void intel_gt_fini_reset(struct intel_gt *gt);
26 void intel_gt_handle_error(struct intel_gt *gt,
27 intel_engine_mask_t engine_mask,
29 const char *fmt, ...);
30 #define I915_ERROR_CAPTURE BIT(0)
32 void intel_gt_reset(struct intel_gt *gt,
33 intel_engine_mask_t stalled_mask,
35 int intel_engine_reset(struct intel_engine_cs *engine,
38 void __i915_request_reset(struct i915_request *rq, bool guilty);
40 int __must_check intel_gt_reset_trylock(struct intel_gt *gt, int *srcu);
41 void intel_gt_reset_unlock(struct intel_gt *gt, int tag);
43 void intel_gt_set_wedged(struct intel_gt *gt);
44 bool intel_gt_unset_wedged(struct intel_gt *gt);
45 int intel_gt_terminally_wedged(struct intel_gt *gt);
48 * There's no unset_wedged_on_init paired with this one.
49 * Once we're wedged on init, there's no going back.
50 * Same thing for unset_wedged_on_fini.
52 void intel_gt_set_wedged_on_init(struct intel_gt *gt);
53 void intel_gt_set_wedged_on_fini(struct intel_gt *gt);
55 int __intel_gt_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask);
57 int intel_reset_guc(struct intel_gt *gt);
59 struct intel_wedge_me {
60 struct delayed_work work;
65 void __intel_init_wedge(struct intel_wedge_me *w,
69 void __intel_fini_wedge(struct intel_wedge_me *w);
71 #define intel_wedge_on_timeout(W, GT, TIMEOUT) \
72 for (__intel_init_wedge((W), (GT), (TIMEOUT), __func__); \
74 __intel_fini_wedge((W)))
76 bool intel_has_gpu_reset(const struct intel_gt *gt);
77 bool intel_has_reset_engine(const struct intel_gt *gt);
79 #endif /* I915_RESET_H */