| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 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 |