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/arch/um/include/chan_user.h

https://bitbucket.org/evzijst/gittest
C Header | 67 lines | 42 code | 11 blank | 14 comment | 0 complexity | 0dc25f8d9ab9998b3926d407727b7121 MD5 | raw file
 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
11struct 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
19enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE };
20
21struct 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
34extern struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops, tty_ops,
35	xterm_ops;
36
37extern void generic_close(int fd, void *unused);
38extern int generic_read(int fd, char *c_out, void *unused);
39extern int generic_write(int fd, const char *buf, int n, void *unused);
40extern int generic_console_write(int fd, const char *buf, int n, void *state);
41extern int generic_window_size(int fd, void *unused, unsigned short *rows_out,
42			       unsigned short *cols_out);
43extern void generic_free(void *data);
44
45struct tty_struct;
46extern void register_winch(int fd,  struct tty_struct *tty);
47extern 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 */