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d14ad81f80
If the host side of a console can't be opened, this will now produce visible error messages. enable_chan now returns a status and this is passed up to con_open and ssl_open, which will complain if anything went wrong. The default host device for the serial line driver is now a pts device rather than a pty device since lots of hosts have LEGACY_PTYS disabled. This had always been failing on such hosts, but silently. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
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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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struct list_head free_list;
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struct line *line;
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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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unsigned int enabled:1;
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int fd;
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const 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 delayed_work *task,
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struct tty_struct *tty, int irq);
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extern int parse_chan_pair(char *str, struct line *line, int device,
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const struct chan_opts *opts, char **error_out);
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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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extern void deactivate_chan(struct list_head *chans, int irq);
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extern void reactivate_chan(struct list_head *chans, int irq);
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extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
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extern int enable_chan(struct line *line);
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extern void close_chan(struct list_head *chans, int delay_free_irq);
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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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