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"
34 struct tty_struct *tty;
37 struct list_head chan_list;
41 /*This lock is actually, mostly, local to*/
44 /* Yes, this is a real circular buffer.
45 * XXX: And this should become a struct kfifo!
47 * buffer points to a buffer allocated on demand, of length
48 * LINE_BUFSIZE, head to the start of the ring, tail to the end.*/
54 struct work_struct task;
55 const struct line_driver *driver;
59 #define LINE_INIT(str, d) \
61 .init_pri = INIT_STATIC, \
63 .lock = SPIN_LOCK_UNLOCKED, \
70 #define LINES_INIT(n) { .num = n }
72 extern void line_close(struct tty_struct *tty, struct file * filp);
73 extern int line_open(struct line *lines, struct tty_struct *tty);
74 extern int line_setup(struct line *lines, unsigned int sizeof_lines,
76 extern int line_write(struct tty_struct *tty, const unsigned char *buf,
78 extern void line_put_char(struct tty_struct *tty, unsigned char ch);
79 extern void line_set_termios(struct tty_struct *tty, struct termios * old);
80 extern int line_chars_in_buffer(struct tty_struct *tty);
81 extern void line_flush_buffer(struct tty_struct *tty);
82 extern void line_flush_chars(struct tty_struct *tty);
83 extern int line_write_room(struct tty_struct *tty);
84 extern int line_ioctl(struct tty_struct *tty, struct file * file,
85 unsigned int cmd, unsigned long arg);
86 extern void line_throttle(struct tty_struct *tty);
87 extern void line_unthrottle(struct tty_struct *tty);
89 extern char *add_xterm_umid(char *base);
90 extern int line_setup_irq(int fd, int input, int output, struct line *line,
92 extern void line_close_chan(struct line *line);
93 extern struct tty_driver * line_register_devfs(struct lines *set,
94 struct line_driver *line_driver,
95 const struct tty_operations *driver,
96 struct line *lines, int nlines);
97 extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
98 extern void close_lines(struct line *lines, int nlines);
100 extern int line_config(struct line *lines, unsigned int sizeof_lines,
101 char *str, const struct chan_opts *opts);
102 extern int line_id(char **str, int *start_out, int *end_out);
103 extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
104 extern int line_get_config(char *dev, struct line *lines,
105 unsigned int sizeof_lines, char *str,
106 int size, char **error_out);