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/*
* Copyright (C) ST-Ericsson SA 2010
*
* ST-Ericsson B2R2 core driver
*
* Author: Robert Fekete <robert.fekete@stericsson.com>
* Author: Paul Wannback
* for ST-Ericsson.
*
* License terms: GNU General Public License (GPL), version 2.
*/
#ifndef __B2R2_CORE_H__
#define __B2R2_CORE_H__
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
/**
* b2r2_core_job_add() - Adds a job to B2R2 job queues
*
* The job reference count will be increased after this function
* has been called and b2r2_core_job_release() must be called to
* release the reference. The job callback function will be always
* be called after the job is done or cancelled.
*
* @control: The b2r2 control entity
* @job: Job to be added
*
* Returns 0 if OK else negative error code
*
*/
int b2r2_core_job_add(struct b2r2_control *control,
struct b2r2_core_job *job);
/**
* b2r2_core_job_wait() - Waits for an added job to be done.
*
* @job: Job to wait for
*
* Returns 0 if job done else negative error code
*
*/
int b2r2_core_job_wait(struct b2r2_core_job *job);
/**
* b2r2_core_job_cancel() - Cancel an already added job.
*
* @job: Job to cancel
*
* Returns 0 if job cancelled or done else negative error code
*
*/
int b2r2_core_job_cancel(struct b2r2_core_job *job);
/**
* b2r2_core_job_find() - Finds job with given job id
*
* Reference count will be increased for the found job
*
* @control: The b2r2 control entity
* @job_id: Job id to find
*
* Returns job if found, else NULL
*
*/
struct b2r2_core_job *b2r2_core_job_find(struct b2r2_control *control,
int job_id);
/**
* b2r2_core_job_find_first_with_tag() - Finds first job with given tag
*
* Reference count will be increased for the found job.
* This function can be used to find all jobs for a client, i.e.
* when cancelling all jobs for a client.
*
* @control: The b2r2 control entity
* @tag: Tag to find
*
* Returns job if found, else NULL
*
*/
struct b2r2_core_job *b2r2_core_job_find_first_with_tag(
struct b2r2_control *control, int tag);
/**
* b2r2_core_job_addref() - Increase the job reference count.
*
* @job: Job to increase reference count for.
* @caller: The function calling this function (for debug)
*/
void b2r2_core_job_addref(struct b2r2_core_job *job, const char *caller);
/**
* b2r2_core_job_release() - Decrease the job reference count. The
* job will be released (the release() function
* will be called) when the reference count
* reaches zero.
*
* @job: Job to decrease reference count for.
* @caller: The function calling this function (for debug)
*/
void b2r2_core_job_release(struct b2r2_core_job *job, const char *caller);
#endif /* !defined(__B2R2_CORE_JOB_H__) */
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