diff options
Diffstat (limited to 'arch/um/include/chan_user.h')
-rw-r--r-- | arch/um/include/chan_user.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/um/include/chan_user.h b/arch/um/include/chan_user.h new file mode 100644 index 000000000000..f77d9aa4c164 --- /dev/null +++ b/arch/um/include/chan_user.h | |||
@@ -0,0 +1,67 @@ | |||
1 | /* | ||
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 | |||
9 | #include "init.h" | ||
10 | |||
11 | struct chan_opts { | ||
12 | void (*announce)(char *dev_name, int dev); | ||
13 | char *xterm_title; | ||
14 | int raw; | ||
15 | unsigned long tramp_stack; | ||
16 | int in_kernel; | ||
17 | }; | ||
18 | |||
19 | enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE }; | ||
20 | |||
21 | struct chan_ops { | ||
22 | char *type; | ||
23 | void *(*init)(char *, int, struct chan_opts *); | ||
24 | int (*open)(int, int, int, void *, char **); | ||
25 | void (*close)(int, void *); | ||
26 | int (*read)(int, char *, void *); | ||
27 | int (*write)(int, const char *, int, void *); | ||
28 | int (*console_write)(int, const char *, int, void *); | ||
29 | int (*window_size)(int, void *, unsigned short *, unsigned short *); | ||
30 | void (*free)(void *); | ||
31 | int winch; | ||
32 | }; | ||
33 | |||
34 | extern struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops, tty_ops, | ||
35 | xterm_ops; | ||
36 | |||
37 | extern void generic_close(int fd, void *unused); | ||
38 | extern int generic_read(int fd, char *c_out, void *unused); | ||
39 | extern int generic_write(int fd, const char *buf, int n, void *unused); | ||
40 | extern int generic_console_write(int fd, const char *buf, int n, void *state); | ||
41 | extern int generic_window_size(int fd, void *unused, unsigned short *rows_out, | ||
42 | unsigned short *cols_out); | ||
43 | extern void generic_free(void *data); | ||
44 | |||
45 | struct tty_struct; | ||
46 | extern void register_winch(int fd, struct tty_struct *tty); | ||
47 | extern void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty); | ||
48 | |||
49 | #define __channel_help(fn, prefix) \ | ||
50 | __uml_help(fn, prefix "[0-9]*=<channel description>\n" \ | ||
51 | " Attach a console or serial line to a host channel. See\n" \ | ||
52 | " http://user-mode-linux.sourceforge.net/input.html for a complete\n" \ | ||
53 | " description of this switch.\n\n" \ | ||
54 | ); | ||
55 | |||
56 | #endif | ||
57 | |||
58 | /* | ||
59 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
60 | * Emacs will notice this stuff at the end of the file and automatically | ||
61 | * adjust the settings for this buffer only. This must remain at the end | ||
62 | * of the file. | ||
63 | * --------------------------------------------------------------------------- | ||
64 | * Local variables: | ||
65 | * c-file-style: "linux" | ||
66 | * End: | ||
67 | */ | ||