Merge git://git.kernel.org/pub/scm/linux/kernel/git/joern/misc
[linux-2.6] / include / asm-s390 / 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 (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
9  *    Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com),
10  *               Martin Schwidefsky (schwidefsky@de.ibm.com)
11  */
12
13 typedef void (*ext_int_handler_t)(__u16 code);
14
15 /*
16  * Warning: if you change ext_int_info_t you have to change the
17  * external interrupt handler in entry.S too.
18  */ 
19 typedef struct ext_int_info_t {
20         struct ext_int_info_t *next;
21         ext_int_handler_t handler;
22         __u16 code;
23 } __attribute__ ((packed)) ext_int_info_t;
24
25 extern ext_int_info_t *ext_int_hash[];
26
27 int register_external_interrupt(__u16 code, ext_int_handler_t handler);
28 int register_early_external_interrupt(__u16 code, ext_int_handler_t handler,
29                                       ext_int_info_t *info);
30 int unregister_external_interrupt(__u16 code, ext_int_handler_t handler);
31 int unregister_early_external_interrupt(__u16 code, ext_int_handler_t handler,
32                                         ext_int_info_t *info);
33
34 #endif