| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2020 Collabora Ltd. |
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| 4 | */ |
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| 5 | #ifndef _SYSCALL_USER_DISPATCH_H |
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| 6 | #define _SYSCALL_USER_DISPATCH_H |
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| 7 | |
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| 8 | #include <linux/thread_info.h> |
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| 9 | #include <linux/syscall_user_dispatch_types.h> |
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| 10 | |
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| 11 | #ifdef CONFIG_GENERIC_ENTRY |
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| 12 | |
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| 13 | int set_syscall_user_dispatch(unsigned long mode, unsigned long offset, |
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| 14 | unsigned long len, char __user *selector); |
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| 15 | |
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| 16 | #define clear_syscall_work_syscall_user_dispatch(tsk) \ |
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| 17 | clear_task_syscall_work(tsk, SYSCALL_USER_DISPATCH) |
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| 18 | |
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| 19 | int syscall_user_dispatch_get_config(struct task_struct *task, unsigned long size, |
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| 20 | void __user *data); |
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| 21 | |
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| 22 | int syscall_user_dispatch_set_config(struct task_struct *task, unsigned long size, |
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| 23 | void __user *data); |
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| 24 | |
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| 25 | #else |
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| 26 | |
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| 27 | static inline int set_syscall_user_dispatch(unsigned long mode, unsigned long offset, |
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| 28 | unsigned long len, char __user *selector) |
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| 29 | { |
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| 30 | return -EINVAL; |
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| 31 | } |
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| 32 | |
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| 33 | static inline void clear_syscall_work_syscall_user_dispatch(struct task_struct *tsk) |
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| 34 | { |
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| 35 | } |
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| 36 | |
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| 37 | static inline int syscall_user_dispatch_get_config(struct task_struct *task, |
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| 38 | unsigned long size, void __user *data) |
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| 39 | { |
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| 40 | return -EINVAL; |
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| 41 | } |
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| 42 | |
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| 43 | static inline int syscall_user_dispatch_set_config(struct task_struct *task, |
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| 44 | unsigned long size, void __user *data) |
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| 45 | { |
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| 46 | return -EINVAL; |
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| 47 | } |
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| 48 | |
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| 49 | #endif /* CONFIG_GENERIC_ENTRY */ |
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| 50 | |
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| 51 | #endif /* _SYSCALL_USER_DISPATCH_H */ |
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| 52 | |
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