linux/drivers/infiniband/sw/rxe/rxe_task.h

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
 */

#ifndef RXE_TASK_H
#define RXE_TASK_H

enum { … };

/*
 * data structure to describe a 'task' which is a short
 * function that returns 0 as long as it needs to be
 * called again.
 */
struct rxe_task { … };

int rxe_alloc_wq(void);

void rxe_destroy_wq(void);

/*
 * init rxe_task structure
 *	qp  => parameter to pass to func
 *	func => function to call until it returns != 0
 */
int rxe_init_task(struct rxe_task *task, struct rxe_qp *qp,
		  int (*func)(struct rxe_qp *));

/* cleanup task */
void rxe_cleanup_task(struct rxe_task *task);

void rxe_run_task(struct rxe_task *task);

void rxe_sched_task(struct rxe_task *task);

/* keep a task from scheduling */
void rxe_disable_task(struct rxe_task *task);

/* allow task to run */
void rxe_enable_task(struct rxe_task *task);

#endif /* RXE_TASK_H */