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/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2018 Intel Corporation
*/
#ifndef _I915_SCHEDULER_H_
#define _I915_SCHEDULER_H_
#include <linux/bitops.h>
#include <linux/list.h>
#include <linux/kernel.h>
#include "i915_scheduler_types.h"
struct drm_printer;
#define priolist_for_each_request(it, plist, idx) \
for (idx = 0; idx < ARRAY_SIZE((plist)->requests); idx++) \
list_for_each_entry(it, &(plist)->requests[idx], sched.link)
#define priolist_for_each_request_consume(it, n, plist, idx) \
for (; \
(plist)->used ? (idx = __ffs((plist)->used)), 1 : 0; \
(plist)->used &= ~BIT(idx)) \
list_for_each_entry_safe(it, n, \
&(plist)->requests[idx], \
sched.link)
void i915_sched_node_init(struct i915_sched_node *node);
void i915_sched_node_reinit(struct i915_sched_node *node);
bool __i915_sched_node_add_dependency(struct i915_sched_node *node,
struct i915_sched_node *signal,
struct i915_dependency *dep,
unsigned long flags);
int i915_sched_node_add_dependency(struct i915_sched_node *node,
struct i915_sched_node *signal,
unsigned long flags);
void i915_sched_node_fini(struct i915_sched_node *node);
void i915_schedule(struct i915_request *request,
const struct i915_sched_attr *attr);
void i915_schedule_bump_priority(struct i915_request *rq, unsigned int bump);
struct list_head *
i915_sched_lookup_priolist(struct intel_engine_cs *engine, int prio);
void __i915_priolist_free(struct i915_priolist *p);
static inline void i915_priolist_free(struct i915_priolist *p)
{
if (p->priority != I915_PRIORITY_NORMAL)
__i915_priolist_free(p);
}
void i915_request_show_with_schedule(struct drm_printer *m,
const struct i915_request *rq,
const char *prefix,
int indent);
#endif /* _I915_SCHEDULER_H_ */
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