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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#define VFIO_CCW_ISC IO_SCH_ISC /* VFIO-CCW I/O subchannels */
20/* Adapter interrupts. */
21#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */
22#define PCI_ISC 2 /* PCI I/O subchannels */
23#define AP_ISC 6 /* adjunct processor (crypto) devices */
24
25/* Functions for registration of I/O interruption subclasses */
26void isc_register(unsigned int isc);
27void isc_unregister(unsigned int isc);
28
29#endif /* _ASM_S390_ISC_H */