64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
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/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_BREADCRUMBS__
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#define __INTEL_BREADCRUMBS__
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#include <linux/atomic.h>
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#include <linux/irq_work.h>
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#include "intel_breadcrumbs_types.h"
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struct drm_printer;
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struct i915_request;
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struct intel_breadcrumbs;
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struct intel_breadcrumbs *
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intel_breadcrumbs_create(struct intel_engine_cs *irq_engine);
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void intel_breadcrumbs_free(struct kref *kref);
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void intel_breadcrumbs_reset(struct intel_breadcrumbs *b);
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void __intel_breadcrumbs_park(struct intel_breadcrumbs *b);
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static inline void intel_breadcrumbs_unpark(struct intel_breadcrumbs *b)
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{
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atomic_inc(&b->active);
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}
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static inline void intel_breadcrumbs_park(struct intel_breadcrumbs *b)
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{
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if (atomic_dec_and_test(&b->active))
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__intel_breadcrumbs_park(b);
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}
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static inline void
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intel_engine_signal_breadcrumbs(struct intel_engine_cs *engine)
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{
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irq_work_queue(&engine->breadcrumbs->irq_work);
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}
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void intel_engine_print_breadcrumbs(struct intel_engine_cs *engine,
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struct drm_printer *p);
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bool i915_request_enable_breadcrumb(struct i915_request *request);
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void i915_request_cancel_breadcrumb(struct i915_request *request);
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void intel_context_remove_breadcrumbs(struct intel_context *ce,
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struct intel_breadcrumbs *b);
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static inline struct intel_breadcrumbs *
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intel_breadcrumbs_get(struct intel_breadcrumbs *b)
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{
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kref_get(&b->ref);
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return b;
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}
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static inline void intel_breadcrumbs_put(struct intel_breadcrumbs *b)
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{
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kref_put(&b->ref, intel_breadcrumbs_free);
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}
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#endif /* __INTEL_BREADCRUMBS__ */
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