Commit | Line | Data |
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b4ac91a0 | 1 | /* |
1da177e4 LT |
2 | * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) |
3 | * Licensed under the GPL | |
4 | */ | |
5 | ||
6 | #ifndef __CHAN_USER_H__ | |
7 | #define __CHAN_USER_H__ | |
8 | ||
37185b33 | 9 | #include <init.h> |
1da177e4 LT |
10 | |
11 | struct chan_opts { | |
a52f362f | 12 | void (*const announce)(char *dev_name, int dev); |
1da177e4 | 13 | char *xterm_title; |
a52f362f | 14 | const int raw; |
1da177e4 LT |
15 | }; |
16 | ||
1da177e4 LT |
17 | struct chan_ops { |
18 | char *type; | |
5e7672ec | 19 | void *(*init)(char *, int, const struct chan_opts *); |
1da177e4 LT |
20 | int (*open)(int, int, int, void *, char **); |
21 | void (*close)(int, void *); | |
22 | int (*read)(int, char *, void *); | |
23 | int (*write)(int, const char *, int, void *); | |
55c033c1 | 24 | int (*console_write)(int, const char *, int); |
1da177e4 LT |
25 | int (*window_size)(int, void *, unsigned short *, unsigned short *); |
26 | void (*free)(void *); | |
27 | int winch; | |
28 | }; | |
29 | ||
5e7672ec JD |
30 | extern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops, |
31 | tty_ops, xterm_ops; | |
1da177e4 LT |
32 | |
33 | extern void generic_close(int fd, void *unused); | |
34 | extern int generic_read(int fd, char *c_out, void *unused); | |
35 | extern int generic_write(int fd, const char *buf, int n, void *unused); | |
55c033c1 | 36 | extern int generic_console_write(int fd, const char *buf, int n); |
1da177e4 LT |
37 | extern int generic_window_size(int fd, void *unused, unsigned short *rows_out, |
38 | unsigned short *cols_out); | |
39 | extern void generic_free(void *data); | |
40 | ||
41 | struct tty_struct; | |
42 | extern void register_winch(int fd, struct tty_struct *tty); | |
42a359e3 JD |
43 | extern void register_winch_irq(int fd, int tty_fd, int pid, |
44 | struct tty_struct *tty, unsigned long stack); | |
1da177e4 LT |
45 | |
46 | #define __channel_help(fn, prefix) \ | |
47 | __uml_help(fn, prefix "[0-9]*=<channel description>\n" \ | |
48 | " Attach a console or serial line to a host channel. See\n" \ | |
0ba9d3f9 | 49 | " http://user-mode-linux.sourceforge.net/old/input.html for a complete\n" \ |
1da177e4 LT |
50 | " description of this switch.\n\n" \ |
51 | ); | |
52 | ||
53 | #endif |