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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2023 Red Hat
*/
#ifndef VDO_WORK_QUEUE_H
#define VDO_WORK_QUEUE_H
#include <linux/sched.h> /* for TASK_COMM_LEN */
#include "types.h"
enum {
MAX_VDO_WORK_QUEUE_NAME_LEN = TASK_COMM_LEN,
};
struct vdo_work_queue_type {
void (*start)(void *context);
void (*finish)(void *context);
enum vdo_completion_priority max_priority;
enum vdo_completion_priority default_priority;
};
struct vdo_completion;
struct vdo_thread;
struct vdo_work_queue;
int vdo_make_work_queue(const char *thread_name_prefix, const char *name,
struct vdo_thread *owner, const struct vdo_work_queue_type *type,
unsigned int thread_count, void *thread_privates[],
struct vdo_work_queue **queue_ptr);
void vdo_enqueue_work_queue(struct vdo_work_queue *queue, struct vdo_completion *completion);
void vdo_finish_work_queue(struct vdo_work_queue *queue);
void vdo_free_work_queue(struct vdo_work_queue *queue);
void vdo_dump_work_queue(struct vdo_work_queue *queue);
void vdo_dump_completion_to_buffer(struct vdo_completion *completion, char *buffer,
size_t length);
void *vdo_get_work_queue_private_data(void);
struct vdo_work_queue *vdo_get_current_work_queue(void);
struct vdo_thread *vdo_get_work_queue_owner(struct vdo_work_queue *queue);
bool __must_check vdo_work_queue_type_is(struct vdo_work_queue *queue,
const struct vdo_work_queue_type *type);
#endif /* VDO_WORK_QUEUE_H */
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