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- /* 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 */
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