| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_S390_ISC_H |
| #define _ASM_S390_ISC_H |
| |
| #include <linux/types.h> |
| |
| /* |
| * I/O interruption subclasses used by drivers. |
| * Please add all used iscs here so that it is possible to distribute |
| * isc usage between drivers. |
| * Reminder: 0 is highest priority, 7 lowest. |
| */ |
| #define MAX_ISC 7 |
| |
| /* Regular I/O interrupts. */ |
| #define IO_SCH_ISC 3 /* regular I/O subchannels */ |
| #define CONSOLE_ISC 1 /* console I/O subchannel */ |
| #define EADM_SCH_ISC 4 /* EADM subchannels */ |
| #define CHSC_SCH_ISC 7 /* CHSC subchannels */ |
| #define VFIO_CCW_ISC IO_SCH_ISC /* VFIO-CCW I/O subchannels */ |
| /* Adapter interrupts. */ |
| #define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */ |
| #define PCI_ISC 2 /* PCI I/O subchannels */ |
| #define AP_ISC 6 /* adjunct processor (crypto) devices */ |
| |
| /* Functions for registration of I/O interruption subclasses */ |
| void isc_register(unsigned int isc); |
| void isc_unregister(unsigned int isc); |
| |
| #endif /* _ASM_S390_ISC_H */ |
