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#ifndef _S390_EXTINT_H

#define _S390_EXTINT_H

/*

 *  include/asm-s390/s390_ext.h

 *

 *  S390 version

 *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation

 *    Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com),

 *               Martin Schwidefsky (schwidefsky@de.ibm.com)

 */

typedef void (*ext_int_handler_t)(struct pt_regs *regs, __u16 code);

/*

 * Warning: if you change ext_int_info_t you have to change the

 * external interrupt handler in entry.S too.

 */

typedef struct ext_int_info_t {

        struct ext_int_info_t *next;

        ext_int_handler_t handler;

        __u16 code;

} __attribute__ ((packed)) ext_int_info_t;

extern ext_int_info_t *ext_int_hash[];

int register_external_interrupt(__u16 code, ext_int_handler_t handler);

int register_early_external_interrupt(__u16 code, ext_int_handler_t handler,

                                      ext_int_info_t *info);

int unregister_external_interrupt(__u16 code, ext_int_handler_t handler);

int unregister_early_external_interrupt(__u16 code, ext_int_handler_t handler,

                                        ext_int_info_t *info);

#endif