LXR linux/drivers/s390/char/ctrlchar.h

   1/*
   2 *  Unified handling of special chars.
   3 *
   4 *    Copyright IBM Corp. 2001
   5 *    Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com>
   6 *
   7 */
   8
   9#include <linux/tty.h>
  10#include <linux/sysrq.h>
  11#include <linux/workqueue.h>
  12
  13extern unsigned int
  14ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty);
  15
  16
  17#define CTRLCHAR_NONE  (1 << 8)
  18#define CTRLCHAR_CTRL  (2 << 8)
  19#define CTRLCHAR_SYSRQ (3 << 8)
  20
  21#define CTRLCHAR_MASK (~0xffu)
  22
  23
  24#ifdef CONFIG_MAGIC_SYSRQ
  25struct sysrq_work {
  26        int key;
  27        struct work_struct work;
  28};
  29
  30void schedule_sysrq_work(struct sysrq_work *sw);
  31#endif
  32