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Diffstat (limited to 'include/asm-s390/s390_ext.h')
| -rw-r--r-- | include/asm-s390/s390_ext.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/asm-s390/s390_ext.h b/include/asm-s390/s390_ext.h new file mode 100644 index 000000000000..e9a2862b230d --- /dev/null +++ b/include/asm-s390/s390_ext.h @@ -0,0 +1,34 @@ +#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 |