1#ifndef _ASM_S390_ISC_H
2#define _ASM_S390_ISC_H
3
4#include <linux/types.h>
5
6/*
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 */
17#define EADM_SCH_ISC 4			/* EADM subchannels */
18#define CHSC_SCH_ISC 7			/* CHSC subchannels */
19/* Adapter interrupts. */
20#define QDIO_AIRQ_ISC IO_SCH_ISC	/* I/O subchannel in qdio mode */
21#define PCI_ISC 2			/* PCI I/O subchannels */
22#define AP_ISC 6			/* adjunct processor (crypto) devices */
23
24/* Functions for registration of I/O interruption subclasses */
25void isc_register(unsigned int isc);
26void isc_unregister(unsigned int isc);
27
28#endif /* _ASM_S390_ISC_H */
29