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Cornelia Huck3a3fc292008-07-14 09:58:58 +02001#ifndef _ASM_S390_ISC_H
2#define _ASM_S390_ISC_H
3
Sebastian Ottfcc6ab32008-07-14 09:59:00 +02004#include <linux/types.h>
5
Cornelia Huck3a3fc292008-07-14 09:58:58 +02006/*
7 * I/O interruption subclasses used by drivers.
8 * Please add all used iscs here so that it is possible to distribute
9 * isc usage between drivers.
10 * Reminder: 0 is highest priority, 7 lowest.
11 */
12#define MAX_ISC 7
13
14/* Regular I/O interrupts. */
15#define IO_SCH_ISC 3 /* regular I/O subchannels */
16#define CONSOLE_ISC 1 /* console I/O subchannel */
Cornelia Huck9d92a7e2008-07-14 09:59:05 +020017#define CHSC_SCH_ISC 7 /* CHSC subchannels */
Cornelia Huck3a3fc292008-07-14 09:58:58 +020018/* Adapter interrupts. */
19#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */
20
Sebastian Ottfcc6ab32008-07-14 09:59:00 +020021/* Functions for registration of I/O interruption subclasses */
22void isc_register(unsigned int isc);
23void isc_unregister(unsigned int isc);
24
Cornelia Huck3a3fc292008-07-14 09:58:58 +020025#endif /* _ASM_S390_ISC_H */