52 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
 | |
| /*
 | |
|  * Copyright (C) 2020 Collabora Ltd.
 | |
|  */
 | |
| #ifndef _SYSCALL_USER_DISPATCH_H
 | |
| #define _SYSCALL_USER_DISPATCH_H
 | |
| 
 | |
| #include <linux/thread_info.h>
 | |
| #include <linux/syscall_user_dispatch_types.h>
 | |
| 
 | |
| #ifdef CONFIG_GENERIC_ENTRY
 | |
| 
 | |
| int set_syscall_user_dispatch(unsigned long mode, unsigned long offset,
 | |
| 			      unsigned long len, char __user *selector);
 | |
| 
 | |
| #define clear_syscall_work_syscall_user_dispatch(tsk) \
 | |
| 	clear_task_syscall_work(tsk, SYSCALL_USER_DISPATCH)
 | |
| 
 | |
| int syscall_user_dispatch_get_config(struct task_struct *task, unsigned long size,
 | |
| 				     void __user *data);
 | |
| 
 | |
| int syscall_user_dispatch_set_config(struct task_struct *task, unsigned long size,
 | |
| 				     void __user *data);
 | |
| 
 | |
| #else
 | |
| 
 | |
| static inline int set_syscall_user_dispatch(unsigned long mode, unsigned long offset,
 | |
| 					    unsigned long len, char __user *selector)
 | |
| {
 | |
| 	return -EINVAL;
 | |
| }
 | |
| 
 | |
| static inline void clear_syscall_work_syscall_user_dispatch(struct task_struct *tsk)
 | |
| {
 | |
| }
 | |
| 
 | |
| static inline int syscall_user_dispatch_get_config(struct task_struct *task,
 | |
| 						   unsigned long size, void __user *data)
 | |
| {
 | |
| 	return -EINVAL;
 | |
| }
 | |
| 
 | |
| static inline int syscall_user_dispatch_set_config(struct task_struct *task,
 | |
| 						   unsigned long size, void __user *data)
 | |
| {
 | |
| 	return -EINVAL;
 | |
| }
 | |
| 
 | |
| #endif /* CONFIG_GENERIC_ENTRY */
 | |
| 
 | |
| #endif /* _SYSCALL_USER_DISPATCH_H */
 |