/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2008-2018 Intel Corporation
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*/
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#ifndef I915_RESET_H
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#define I915_RESET_H
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#include <linux/compiler.h>
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#include <linux/types.h>
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#include <linux/srcu.h>
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#include "intel_engine_types.h"
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#include "intel_reset_types.h"
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struct i915_request;
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struct intel_engine_cs;
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struct intel_gt;
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struct intel_guc;
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void intel_gt_init_reset(struct intel_gt *gt);
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void intel_gt_fini_reset(struct intel_gt *gt);
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__printf(4, 5)
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void intel_gt_handle_error(struct intel_gt *gt,
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intel_engine_mask_t engine_mask,
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unsigned long flags,
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const char *fmt, ...);
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#define I915_ERROR_CAPTURE BIT(0)
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void intel_gt_reset(struct intel_gt *gt,
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intel_engine_mask_t stalled_mask,
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const char *reason);
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int intel_engine_reset(struct intel_engine_cs *engine,
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const char *reason);
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void __i915_request_reset(struct i915_request *rq, bool guilty);
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int __must_check intel_gt_reset_trylock(struct intel_gt *gt, int *srcu);
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void intel_gt_reset_unlock(struct intel_gt *gt, int tag);
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void intel_gt_set_wedged(struct intel_gt *gt);
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bool intel_gt_unset_wedged(struct intel_gt *gt);
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int intel_gt_terminally_wedged(struct intel_gt *gt);
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/*
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* There's no unset_wedged_on_init paired with this one.
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* Once we're wedged on init, there's no going back.
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* Same thing for unset_wedged_on_fini.
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*/
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void intel_gt_set_wedged_on_init(struct intel_gt *gt);
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void intel_gt_set_wedged_on_fini(struct intel_gt *gt);
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int __intel_gt_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask);
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int intel_reset_guc(struct intel_gt *gt);
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struct intel_wedge_me {
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struct delayed_work work;
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struct intel_gt *gt;
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const char *name;
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};
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void __intel_init_wedge(struct intel_wedge_me *w,
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struct intel_gt *gt,
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long timeout,
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const char *name);
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void __intel_fini_wedge(struct intel_wedge_me *w);
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#define intel_wedge_on_timeout(W, GT, TIMEOUT) \
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for (__intel_init_wedge((W), (GT), (TIMEOUT), __func__); \
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(W)->gt; \
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__intel_fini_wedge((W)))
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bool intel_has_gpu_reset(const struct intel_gt *gt);
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bool intel_has_reset_engine(const struct intel_gt *gt);
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#endif /* I915_RESET_H */
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