arch/s390/include/asm/s390_ext.h

   1 #ifndef _S390_EXTINT_H
   2 #define _S390_EXTINT_H
   3
   4 /*
   5  *  include/asm-s390/s390_ext.h
   6  *
   7  *  S390 version
   8  *    Copyright IBM Corp. 1999,2007
   9  *    Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com),
  10  *               Martin Schwidefsky (schwidefsky@de.ibm.com)
  11  */
  12
  13 #include <linux/types.h>
  14
  15 typedef void (*ext_int_handler_t)(__u16 code);
  16
  17 typedef struct ext_int_info_t {
  18         struct ext_int_info_t *next;
  19         ext_int_handler_t handler;
  20         __u16 code;
  21 } ext_int_info_t;
  22
  23 extern ext_int_info_t *ext_int_hash[];
  24
  25 int register_external_interrupt(__u16 code, ext_int_handler_t handler);
  26 int register_early_external_interrupt(__u16 code, ext_int_handler_t handler,
  27                                       ext_int_info_t *info);
  28 int unregister_external_interrupt(__u16 code, ext_int_handler_t handler);
  29 int unregister_early_external_interrupt(__u16 code, ext_int_handler_t handler,
  30                                         ext_int_info_t *info);
  31
  32 #endif