1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
6 #ifndef __CHAN_KERN_H__
7 #define __CHAN_KERN_H__
10 #include <linux/list.h>
11 #include <linux/console.h>
12 #include "chan_user.h"
16 struct list_head list;
17 struct list_head free_list;
20 unsigned int primary:1;
22 unsigned int output:1;
23 unsigned int opened:1;
24 unsigned int enabled:1;
26 const struct chan_ops *ops;
30 extern void chan_interrupt(struct line *line, int irq);
31 extern int parse_chan_pair(char *str, struct line *line, int device,
32 const struct chan_opts *opts, char **error_out);
33 extern int write_chan(struct chan *chan, const char *buf, int len,
35 extern int console_write_chan(struct chan *chan, const char *buf,
37 extern int console_open_chan(struct line *line, struct console *co);
38 extern void deactivate_chan(struct chan *chan, int irq);
39 extern void reactivate_chan(struct chan *chan, int irq);
40 extern void chan_enable_winch(struct chan *chan, struct tty_port *port);
41 extern int enable_chan(struct line *line);
42 extern void close_chan(struct line *line);
43 extern int chan_window_size(struct line *line,
44 unsigned short *rows_out,
45 unsigned short *cols_out);
46 extern int chan_config_string(struct line *line, char *str, int size,