2005-04-17 06:20:36 +08:00
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/*
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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_KERN_H__
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#define __CHAN_KERN_H__
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#include "linux/tty.h"
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#include "linux/list.h"
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#include "linux/console.h"
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#include "chan_user.h"
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#include "line.h"
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struct chan {
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struct list_head list;
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char *dev;
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unsigned int primary:1;
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unsigned int input:1;
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unsigned int output:1;
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unsigned int opened:1;
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int fd;
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struct chan_ops *ops;
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void *data;
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};
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extern void chan_interrupt(struct list_head *chans, struct work_struct *task,
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struct tty_struct *tty, int irq);
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2006-01-06 16:18:52 +08:00
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extern int parse_chan_pair(char *str, struct list_head *chans, int device,
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struct chan_opts *opts);
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2005-04-17 06:20:36 +08:00
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extern int open_chan(struct list_head *chans);
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extern int write_chan(struct list_head *chans, const char *buf, int len,
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int write_irq);
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extern int console_write_chan(struct list_head *chans, const char *buf,
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int len);
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extern int console_open_chan(struct line *line, struct console *co,
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struct chan_opts *opts);
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extern void close_chan(struct list_head *chans);
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extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
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extern void enable_chan(struct list_head *chans, struct tty_struct *tty);
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extern int chan_window_size(struct list_head *chans,
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unsigned short *rows_out,
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unsigned short *cols_out);
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extern int chan_out_fd(struct list_head *chans);
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extern int chan_config_string(struct list_head *chans, char *str, int size,
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char **error_out);
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#endif
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