linuxdebug/drivers/rpmsg/rpmsg_char.h

47 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2022, STMicroelectronics
*/
#ifndef __RPMSG_CHRDEV_H__
#define __RPMSG_CHRDEV_H__
#if IS_ENABLED(CONFIG_RPMSG_CHAR)
/**
* rpmsg_chrdev_eptdev_create() - register char device based on an endpoint
* @rpdev: prepared rpdev to be used for creating endpoints
* @parent: parent device
* @chinfo: associated endpoint channel information.
*
* This function create a new rpmsg char endpoint device to instantiate a new
* endpoint based on chinfo information.
*/
int rpmsg_chrdev_eptdev_create(struct rpmsg_device *rpdev, struct device *parent,
struct rpmsg_channel_info chinfo);
/**
* rpmsg_chrdev_eptdev_destroy() - destroy created char device endpoint.
* @data: private data associated to the endpoint device
*
* This function destroys a rpmsg char endpoint device created by the RPMSG_DESTROY_EPT_IOCTL
* control.
*/
int rpmsg_chrdev_eptdev_destroy(struct device *dev, void *data);
#else /*IS_ENABLED(CONFIG_RPMSG_CHAR) */
static inline int rpmsg_chrdev_eptdev_create(struct rpmsg_device *rpdev, struct device *parent,
struct rpmsg_channel_info chinfo)
{
return -ENXIO;
}
static inline int rpmsg_chrdev_eptdev_destroy(struct device *dev, void *data)
{
return -ENXIO;
}
#endif /*IS_ENABLED(CONFIG_RPMSG_CHAR) */
#endif /*__RPMSG_CHRDEV_H__ */