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