38 строки
1.1 KiB
C
38 строки
1.1 KiB
C
|
/* 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 _UAPI_REMOTEPROC_CDEV_H_
|
||
|
|
#define _UAPI_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
|