1/*
 2 * SPDX-License-Identifier: MIT
 3 *
 4 * Copyright © 2018 Intel Corporation
 5 */
 6
 7#ifndef _I915_SCHEDULER_H_
 8#define _I915_SCHEDULER_H_
 9
10#include <linux/bitops.h>
11#include <linux/list.h>
12#include <linux/kernel.h>
13
14#include "i915_scheduler_types.h"
15
16struct drm_printer;
17
18#define priolist_for_each_request(it, plist) \
19	list_for_each_entry(it, &(plist)->requests, sched.link)
20
21#define priolist_for_each_request_consume(it, n, plist) \
22	list_for_each_entry_safe(it, n, &(plist)->requests, sched.link)
23
24void i915_sched_node_init(struct i915_sched_node *node);
25void i915_sched_node_reinit(struct i915_sched_node *node);
26
27bool __i915_sched_node_add_dependency(struct i915_sched_node *node,
28				      struct i915_sched_node *signal,
29				      struct i915_dependency *dep,
30				      unsigned long flags);
31
32int i915_sched_node_add_dependency(struct i915_sched_node *node,
33				   struct i915_sched_node *signal,
34				   unsigned long flags);
35
36void i915_sched_node_fini(struct i915_sched_node *node);
37
38void i915_schedule(struct i915_request *request,
39		   const struct i915_sched_attr *attr);
40
41struct list_head *
42i915_sched_lookup_priolist(struct intel_engine_cs *engine, int prio);
43
44void __i915_priolist_free(struct i915_priolist *p);
45static inline void i915_priolist_free(struct i915_priolist *p)
46{
47	if (p->priority != I915_PRIORITY_NORMAL)
48		__i915_priolist_free(p);
49}
50
51void i915_request_show_with_schedule(struct drm_printer *m,
52				     const struct i915_request *rq,
53				     const char *prefix,
54				     int indent);
55
56#endif /* _I915_SCHEDULER_H_ */