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 38