blob: 22bf3a73437c3dc8af5f253ecff9dfdb155d102e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 char *dev;
18 unsigned int primary:1;
19 unsigned int input:1;
20 unsigned int output:1;
21 unsigned int opened:1;
22 int fd;
Linus Torvalds1da177e2005-04-16 15:20:36 -070023 struct chan_ops *ops;
24 void *data;
25};
26
27extern void chan_interrupt(struct list_head *chans, struct work_struct *task,
28 struct tty_struct *tty, int irq);
Jeff Dike88890b82006-01-06 00:18:52 -080029extern int parse_chan_pair(char *str, struct list_head *chans, int device,
30 struct chan_opts *opts);
Linus Torvalds1da177e2005-04-16 15:20:36 -070031extern int open_chan(struct list_head *chans);
32extern int write_chan(struct list_head *chans, const char *buf, int len,
33 int write_irq);
34extern int console_write_chan(struct list_head *chans, const char *buf,
35 int len);
36extern int console_open_chan(struct line *line, struct console *co,
37 struct chan_opts *opts);
38extern void close_chan(struct list_head *chans);
39extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
40extern void enable_chan(struct list_head *chans, struct tty_struct *tty);
41extern int chan_window_size(struct list_head *chans,
42 unsigned short *rows_out,
43 unsigned short *cols_out);
44extern int chan_out_fd(struct list_head *chans);
45extern int chan_config_string(struct list_head *chans, char *str, int size,
46 char **error_out);
47
48#endif