2 * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
9 #include "linux/list.h"
10 #include "linux/workqueue.h"
11 #include "linux/tty.h"
12 #include "linux/interrupt.h"
13 #include "linux/spinlock.h"
14 #include "chan_user.h"
15 #include "mconsole_kern.h"
35 struct tty_struct *tty;
38 struct list_head chan_list;
42 /*This lock is actually, mostly, local to*/
45 /* Yes, this is a real circular buffer.
46 * XXX: And this should become a struct kfifo!
48 * buffer points to a buffer allocated on demand, of length
49 * LINE_BUFSIZE, head to the start of the ring, tail to the end.*/
55 struct work_struct task;
56 struct line_driver *driver;
60 #define LINE_INIT(str, d) \
62 init_pri : INIT_STATIC, \
65 lock : SPIN_LOCK_UNLOCKED, \
77 #define LINES_INIT(n) { num : n }
79 extern void line_close(struct tty_struct *tty, struct file * filp);
80 extern int line_open(struct line *lines, struct tty_struct *tty);
81 extern int line_setup(struct line *lines, unsigned int sizeof_lines,
83 extern int line_write(struct tty_struct *tty, const unsigned char *buf,
85 extern void line_put_char(struct tty_struct *tty, unsigned char ch);
86 extern void line_set_termios(struct tty_struct *tty, struct termios * old);
87 extern int line_chars_in_buffer(struct tty_struct *tty);
88 extern void line_flush_buffer(struct tty_struct *tty);
89 extern void line_flush_chars(struct tty_struct *tty);
90 extern int line_write_room(struct tty_struct *tty);
91 extern int line_ioctl(struct tty_struct *tty, struct file * file,
92 unsigned int cmd, unsigned long arg);
93 extern void line_throttle(struct tty_struct *tty);
94 extern void line_unthrottle(struct tty_struct *tty);
96 extern char *add_xterm_umid(char *base);
97 extern int line_setup_irq(int fd, int input, int output, struct line *line,
99 extern void line_close_chan(struct line *line);
100 extern struct tty_driver * line_register_devfs(struct lines *set,
101 struct line_driver *line_driver,
102 struct tty_operations *driver,
105 extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
106 extern void close_lines(struct line *lines, int nlines);
108 extern int line_config(struct line *lines, unsigned int sizeof_lines,
109 char *str, struct chan_opts *opts);
110 extern int line_id(char **str, int *start_out, int *end_out);
111 extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
112 extern int line_get_config(char *dev, struct line *lines,
113 unsigned int sizeof_lines, char *str,
114 int size, char **error_out);