1/* 2 * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) 3 * Licensed under the GPL 4 */ 5 6#ifndef __CHAN_KERN_H__ 7#define __CHAN_KERN_H__ 8 9#include "linux/tty.h" 10#include "linux/list.h" 11#include "linux/console.h" 12#include "chan_user.h" 13#include "line.h" 14 15struct chan { 16 struct list_head list; 17 struct list_head free_list; 18 struct line *line; 19 char *dev; 20 unsigned int primary:1; 21 unsigned int input:1; 22 unsigned int output:1; 23 unsigned int opened:1; 24 unsigned int enabled:1; 25 int fd; 26 const struct chan_ops *ops; 27 void *data; 28}; 29 30extern void chan_interrupt(struct list_head *chans, struct delayed_work *task, 31 struct tty_struct *tty, int irq); 32extern int parse_chan_pair(char *str, struct line *line, int device, 33 const struct chan_opts *opts, char **error_out); 34extern int write_chan(struct list_head *chans, const char *buf, int len, 35 int write_irq); 36extern int console_write_chan(struct list_head *chans, const char *buf, 37 int len); 38extern int console_open_chan(struct line *line, struct console *co); 39extern void deactivate_chan(struct list_head *chans, int irq); 40extern void reactivate_chan(struct list_head *chans, int irq); 41extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty); 42extern int enable_chan(struct line *line); 43extern void close_chan(struct list_head *chans, int delay_free_irq); 44extern int chan_window_size(struct list_head *chans, 45 unsigned short *rows_out, 46 unsigned short *cols_out); 47extern int chan_config_string(struct list_head *chans, char *str, int size, 48 char **error_out); 49 50#endif 51