Current File : //usr/include/linux/remoteproc_cdev.h
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* IOCTLs for Remoteproc's character device interface.
*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*/
#ifndef _REMOTEPROC_CDEV_H_
#define _REMOTEPROC_CDEV_H_
#include <linux/ioctl.h>
#include <linux/types.h>
#define RPROC_MAGIC 0xB7
/*
* The RPROC_SET_SHUTDOWN_ON_RELEASE ioctl allows to enable/disable the shutdown of a remote
* processor automatically when the controlling userpsace closes the char device interface.
*
* input parameter: integer
* 0 : disable automatic shutdown
* other : enable automatic shutdown
*/
#define RPROC_SET_SHUTDOWN_ON_RELEASE _IOW(RPROC_MAGIC, 1, __s32)
/*
* The RPROC_GET_SHUTDOWN_ON_RELEASE ioctl gets information about whether the automatic shutdown of
* a remote processor is enabled or disabled when the controlling userspace closes the char device
* interface.
*
* output parameter: integer
* 0 : automatic shutdown disable
* other : automatic shutdown enable
*/
#define RPROC_GET_SHUTDOWN_ON_RELEASE _IOR(RPROC_MAGIC, 2, __s32)
#endif
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