51 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 
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|  * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
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|  * Licensed under the GPL
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|  */
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| 
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| #ifndef __CHAN_KERN_H__
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| #define __CHAN_KERN_H__
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| 
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| #include "linux/tty.h"
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| #include "linux/list.h"
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| #include "linux/console.h"
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| #include "chan_user.h"
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| #include "line.h"
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| 
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| struct chan {
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| 	struct list_head list;
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| 	struct list_head free_list;
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| 	struct line *line;
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| 	char *dev;
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| 	unsigned int primary:1;
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| 	unsigned int input:1;
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| 	unsigned int output:1;
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| 	unsigned int opened:1;
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| 	unsigned int enabled:1;
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| 	int fd;
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| 	const struct chan_ops *ops;
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| 	void *data;
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| };
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| 
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| extern void chan_interrupt(struct list_head *chans, struct delayed_work *task,
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| 			   struct tty_struct *tty, int irq);
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| extern int parse_chan_pair(char *str, struct line *line, int device,
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| 			   const struct chan_opts *opts, char **error_out);
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| extern int write_chan(struct list_head *chans, const char *buf, int len,
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| 			     int write_irq);
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| extern int console_write_chan(struct list_head *chans, const char *buf, 
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| 			      int len);
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| extern int console_open_chan(struct line *line, struct console *co);
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| extern void deactivate_chan(struct list_head *chans, int irq);
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| extern void reactivate_chan(struct list_head *chans, int irq);
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| extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
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| extern int enable_chan(struct line *line);
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| extern void close_chan(struct list_head *chans, int delay_free_irq);
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| extern int chan_window_size(struct list_head *chans, 
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| 			     unsigned short *rows_out, 
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| 			     unsigned short *cols_out);
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| extern int chan_config_string(struct list_head *chans, char *str, int size,
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| 			      char **error_out);
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| 
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| #endif
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