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55 lines
1.7 KiB
55 lines
1.7 KiB
/*
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* Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#ifndef __CHAN_USER_H__
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#define __CHAN_USER_H__
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#include "init.h"
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struct chan_opts {
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void (*const announce)(char *dev_name, int dev);
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char *xterm_title;
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const int raw;
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};
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enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE };
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struct chan_ops {
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char *type;
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void *(*init)(char *, int, const struct chan_opts *);
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int (*open)(int, int, int, void *, char **);
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void (*close)(int, void *);
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int (*read)(int, char *, void *);
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int (*write)(int, const char *, int, void *);
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int (*console_write)(int, const char *, int);
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int (*window_size)(int, void *, unsigned short *, unsigned short *);
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void (*free)(void *);
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int winch;
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};
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extern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops,
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tty_ops, xterm_ops;
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extern void generic_close(int fd, void *unused);
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extern int generic_read(int fd, char *c_out, void *unused);
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extern int generic_write(int fd, const char *buf, int n, void *unused);
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extern int generic_console_write(int fd, const char *buf, int n);
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extern int generic_window_size(int fd, void *unused, unsigned short *rows_out,
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unsigned short *cols_out);
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extern void generic_free(void *data);
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struct tty_struct;
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extern void register_winch(int fd, struct tty_struct *tty);
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extern void register_winch_irq(int fd, int tty_fd, int pid,
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struct tty_struct *tty, unsigned long stack);
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#define __channel_help(fn, prefix) \
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__uml_help(fn, prefix "[0-9]*=<channel description>\n" \
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" Attach a console or serial line to a host channel. See\n" \
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" http://user-mode-linux.sourceforge.net/old/input.html for a complete\n" \
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" description of this switch.\n\n" \
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);
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#endif
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