chan_kern.h 1.6 KB

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  1. /*
  2. * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
  3. * Licensed under the GPL
  4. */
  5. #ifndef __CHAN_KERN_H__
  6. #define __CHAN_KERN_H__
  7. #include "linux/tty.h"
  8. #include "linux/list.h"
  9. #include "linux/console.h"
  10. #include "chan_user.h"
  11. #include "line.h"
  12. struct chan {
  13. struct list_head list;
  14. struct list_head free_list;
  15. struct line *line;
  16. char *dev;
  17. unsigned int primary:1;
  18. unsigned int input:1;
  19. unsigned int output:1;
  20. unsigned int opened:1;
  21. unsigned int enabled:1;
  22. int fd;
  23. const struct chan_ops *ops;
  24. void *data;
  25. };
  26. extern void chan_interrupt(struct list_head *chans, struct delayed_work *task,
  27. struct tty_struct *tty, int irq);
  28. extern int parse_chan_pair(char *str, struct line *line, int device,
  29. const struct chan_opts *opts, char **error_out);
  30. extern int open_chan(struct list_head *chans);
  31. extern int write_chan(struct list_head *chans, const char *buf, int len,
  32. int write_irq);
  33. extern int console_write_chan(struct list_head *chans, const char *buf,
  34. int len);
  35. extern int console_open_chan(struct line *line, struct console *co);
  36. extern void deactivate_chan(struct list_head *chans, int irq);
  37. extern void reactivate_chan(struct list_head *chans, int irq);
  38. extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
  39. extern void enable_chan(struct line *line);
  40. extern void close_chan(struct list_head *chans, int delay_free_irq);
  41. extern int chan_window_size(struct list_head *chans,
  42. unsigned short *rows_out,
  43. unsigned short *cols_out);
  44. extern int chan_out_fd(struct list_head *chans);
  45. extern int chan_config_string(struct list_head *chans, char *str, int size,
  46. char **error_out);
  47. #endif