arch/um/include/chan_kern.h

   1 /*
   2  * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __CHAN_KERN_H__
   7 #define __CHAN_KERN_H__
   8
   9 #include "linux/tty.h"
  10 #include "linux/list.h"
  11 #include "linux/console.h"
  12 #include "chan_user.h"
  13 #include "line.h"
  14
  15 struct chan {
  16         struct list_head list;
  17         char *dev;
  18         unsigned int primary:1;
  19         unsigned int input:1;
  20         unsigned int output:1;
  21         unsigned int opened:1;
  22         int fd;
  23         enum chan_init_pri pri;
  24         struct chan_ops *ops;
  25         void *data;
  26 };
  27
  28 extern void chan_interrupt(struct list_head *chans, struct work_struct *task,
  29                            struct tty_struct *tty, int irq);
  30 extern int parse_chan_pair(char *str, struct list_head *chans, int pri,
  31                            int device, struct chan_opts *opts);
  32 extern int open_chan(struct list_head *chans);
  33 extern int write_chan(struct list_head *chans, const char *buf, int len,
  34                              int write_irq);
  35 extern int console_write_chan(struct list_head *chans, const char *buf,
  36                               int len);
  37 extern int console_open_chan(struct line *line, struct console *co,
  38                              struct chan_opts *opts);
  39 extern void close_chan(struct list_head *chans);
  40 extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
  41 extern void enable_chan(struct list_head *chans, struct tty_struct *tty);
  42 extern int chan_window_size(struct list_head *chans,
  43                              unsigned short *rows_out,
  44                              unsigned short *cols_out);
  45 extern int chan_out_fd(struct list_head *chans);
  46 extern int chan_config_string(struct list_head *chans, char *str, int size,
  47                               char **error_out);
  48
  49 #endif
  50
  51 /*
  52  * Overrides for Emacs so that we follow Linus's tabbing style.
  53  * Emacs will notice this stuff at the end of the file and automatically
  54  * adjust the settings for this buffer only.  This must remain at the end
  55  * of the file.
  56  * ---------------------------------------------------------------------------
  57  * Local variables:
  58  * c-file-style: "linux"
  59  * End:
  60  */