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