[linux.git] / include / uapi / 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 _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
Commit	Line	Data
44767708 SG	1	/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
	2	/*
	3	* IOCTLs for Remoteproc's character device interface.
	4	*
	5	* Copyright (c) 2020, The Linux Foundation. All rights reserved.
	6	*/
	7
	8	#ifndef _UAPI_REMOTEPROC_CDEV_H_
	9	#define _UAPI_REMOTEPROC_CDEV_H_
	10
	11	#include <linux/ioctl.h>
	12	#include <linux/types.h>
	13
	14	#define RPROC_MAGIC 0xB7
	15
	16	/*
	17	* The RPROC_SET_SHUTDOWN_ON_RELEASE ioctl allows to enable/disable the shutdown of a remote
	18	* processor automatically when the controlling userpsace closes the char device interface.
	19	*
	20	* input parameter: integer
	21	* 0 : disable automatic shutdown
	22	* other : enable automatic shutdown
	23	*/
	24	#define RPROC_SET_SHUTDOWN_ON_RELEASE _IOW(RPROC_MAGIC, 1, __s32)
	25
	26	/*
	27	* The RPROC_GET_SHUTDOWN_ON_RELEASE ioctl gets information about whether the automatic shutdown of
	28	* a remote processor is enabled or disabled when the controlling userspace closes the char device
	29	* interface.
	30	*
	31	* output parameter: integer
	32	* 0 : automatic shutdown disable
	33	* other : automatic shutdown enable
	34	*/
	35	#define RPROC_GET_SHUTDOWN_ON_RELEASE _IOR(RPROC_MAGIC, 2, __s32)
	36
	37	#endif