1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Kernel support for NT synchronization primitive emulation 4 * 5 * Copyright (C) 2021-2022 Elizabeth Figura <[email protected]> 6 */ 7 8 #ifndef __LINUX_NTSYNC_H 9 #define __LINUX_NTSYNC_H 10 11 #include <linux/types.h> 12 13 struct ntsync_sem_args { 14 __u32 count; 15 __u32 max; 16 }; 17 18 struct ntsync_mutex_args { 19 __u32 owner; 20 __u32 count; 21 }; 22 23 struct ntsync_event_args { 24 __u32 manual; 25 __u32 signaled; 26 }; 27 28 #define NTSYNC_WAIT_REALTIME 0x1 29 30 struct ntsync_wait_args { 31 __u64 timeout; 32 __u64 objs; 33 __u32 count; 34 __u32 index; 35 __u32 flags; 36 __u32 owner; 37 __u32 alert; 38 __u32 pad; 39 }; 40 41 #define NTSYNC_MAX_WAIT_COUNT 64 42 43 #define NTSYNC_IOC_CREATE_SEM _IOW ('N', 0x80, struct ntsync_sem_args) 44 #define NTSYNC_IOC_WAIT_ANY _IOWR('N', 0x82, struct ntsync_wait_args) 45 #define NTSYNC_IOC_WAIT_ALL _IOWR('N', 0x83, struct ntsync_wait_args) 46 #define NTSYNC_IOC_CREATE_MUTEX _IOW ('N', 0x84, struct ntsync_mutex_args) 47 #define NTSYNC_IOC_CREATE_EVENT _IOW ('N', 0x87, struct ntsync_event_args) 48 49 #define NTSYNC_IOC_SEM_RELEASE _IOWR('N', 0x81, __u32) 50 #define NTSYNC_IOC_MUTEX_UNLOCK _IOWR('N', 0x85, struct ntsync_mutex_args) 51 #define NTSYNC_IOC_MUTEX_KILL _IOW ('N', 0x86, __u32) 52 #define NTSYNC_IOC_EVENT_SET _IOR ('N', 0x88, __u32) 53 #define NTSYNC_IOC_EVENT_RESET _IOR ('N', 0x89, __u32) 54 #define NTSYNC_IOC_EVENT_PULSE _IOR ('N', 0x8a, __u32) 55 #define NTSYNC_IOC_SEM_READ _IOR ('N', 0x8b, struct ntsync_sem_args) 56 #define NTSYNC_IOC_MUTEX_READ _IOR ('N', 0x8c, struct ntsync_mutex_args) 57 #define NTSYNC_IOC_EVENT_READ _IOR ('N', 0x8d, struct ntsync_event_args) 58 59 #endif 60