110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
|
/*
|
||
|
|
* 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"
|
||
|
|
#include "i915_tasklet.h"
|
||
|
|
|
||
|
|
struct drm_printer;
|
||
|
|
|
||
|
|
#define priolist_for_each_request(it, plist) \
|
||
|
|
list_for_each_entry(it, &(plist)->requests, sched.link)
|
||
|
|
|
||
|
|
#define priolist_for_each_request_consume(it, n, plist) \
|
||
|
|
list_for_each_entry_safe(it, n, &(plist)->requests, 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);
|
||
|
|
|
||
|
|
struct list_head *
|
||
|
|
i915_sched_lookup_priolist(struct i915_sched_engine *sched_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);
|
||
|
|
}
|
||
|
|
|
||
|
|
struct i915_sched_engine *
|
||
|
|
i915_sched_engine_create(unsigned int subclass);
|
||
|
|
|
||
|
|
static inline struct i915_sched_engine *
|
||
|
|
i915_sched_engine_get(struct i915_sched_engine *sched_engine)
|
||
|
|
{
|
||
|
|
kref_get(&sched_engine->ref);
|
||
|
|
return sched_engine;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
i915_sched_engine_put(struct i915_sched_engine *sched_engine)
|
||
|
|
{
|
||
|
|
kref_put(&sched_engine->ref, sched_engine->destroy);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool
|
||
|
|
i915_sched_engine_is_empty(struct i915_sched_engine *sched_engine)
|
||
|
|
{
|
||
|
|
return RB_EMPTY_ROOT(&sched_engine->queue.rb_root);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
i915_sched_engine_reset_on_empty(struct i915_sched_engine *sched_engine)
|
||
|
|
{
|
||
|
|
if (i915_sched_engine_is_empty(sched_engine))
|
||
|
|
sched_engine->no_priolist = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
i915_sched_engine_active_lock_bh(struct i915_sched_engine *sched_engine)
|
||
|
|
{
|
||
|
|
local_bh_disable(); /* prevent local softirq and lock recursion */
|
||
|
|
tasklet_lock(&sched_engine->tasklet);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
i915_sched_engine_active_unlock_bh(struct i915_sched_engine *sched_engine)
|
||
|
|
{
|
||
|
|
tasklet_unlock(&sched_engine->tasklet);
|
||
|
|
local_bh_enable(); /* restore softirq, and kick ksoftirqd! */
|
||
|
|
}
|
||
|
|
|
||
|
|
void i915_request_show_with_schedule(struct drm_printer *m,
|
||
|
|
const struct i915_request *rq,
|
||
|
|
const char *prefix,
|
||
|
|
int indent);
|
||
|
|
|
||
|
|
static inline bool
|
||
|
|
i915_sched_engine_disabled(struct i915_sched_engine *sched_engine)
|
||
|
|
{
|
||
|
|
return sched_engine->disabled(sched_engine);
|
||
|
|
}
|
||
|
|
|
||
|
|
void i915_scheduler_module_exit(void);
|
||
|
|
int i915_scheduler_module_init(void);
|
||
|
|
|
||
|
|
#endif /* _I915_SCHEDULER_H_ */
|