mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
synced 2026-05-01 15:15:19 -04:00
074bb195bc
Add wrapper function around RB tree to determine if i915_sched_engine is empty. Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210618010638.98941-3-matthew.brost@intel.com
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2018 Intel Corporation
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*/
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#ifndef _I915_SCHEDULER_H_
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#define _I915_SCHEDULER_H_
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#include <linux/bitops.h>
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#include <linux/list.h>
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#include <linux/kernel.h>
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#include "i915_scheduler_types.h"
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struct drm_printer;
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#define priolist_for_each_request(it, plist) \
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list_for_each_entry(it, &(plist)->requests, sched.link)
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#define priolist_for_each_request_consume(it, n, plist) \
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list_for_each_entry_safe(it, n, &(plist)->requests, sched.link)
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void i915_sched_node_init(struct i915_sched_node *node);
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void i915_sched_node_reinit(struct i915_sched_node *node);
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bool __i915_sched_node_add_dependency(struct i915_sched_node *node,
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struct i915_sched_node *signal,
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struct i915_dependency *dep,
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unsigned long flags);
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int i915_sched_node_add_dependency(struct i915_sched_node *node,
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struct i915_sched_node *signal,
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unsigned long flags);
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void i915_sched_node_fini(struct i915_sched_node *node);
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void i915_schedule(struct i915_request *request,
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const struct i915_sched_attr *attr);
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struct list_head *
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i915_sched_lookup_priolist(struct intel_engine_cs *engine, int prio);
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void __i915_priolist_free(struct i915_priolist *p);
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static inline void i915_priolist_free(struct i915_priolist *p)
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{
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if (p->priority != I915_PRIORITY_NORMAL)
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__i915_priolist_free(p);
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}
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struct i915_sched_engine *
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i915_sched_engine_create(unsigned int subclass);
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void i915_sched_engine_free(struct kref *kref);
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static inline struct i915_sched_engine *
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i915_sched_engine_get(struct i915_sched_engine *sched_engine)
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{
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kref_get(&sched_engine->ref);
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return sched_engine;
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}
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static inline void
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i915_sched_engine_put(struct i915_sched_engine *sched_engine)
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{
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kref_put(&sched_engine->ref, i915_sched_engine_free);
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}
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static inline bool
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i915_sched_engine_is_empty(struct i915_sched_engine *sched_engine)
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{
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return RB_EMPTY_ROOT(&sched_engine->queue.rb_root);
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}
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void i915_request_show_with_schedule(struct drm_printer *m,
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const struct i915_request *rq,
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const char *prefix,
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int indent);
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#endif /* _I915_SCHEDULER_H_ */
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