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31 lines
1.0 KiB
31 lines
1.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_S390_ISC_H |
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#define _ASM_S390_ISC_H |
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#include <linux/types.h> |
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/* |
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* I/O interruption subclasses used by drivers. |
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* Please add all used iscs here so that it is possible to distribute |
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* isc usage between drivers. |
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* Reminder: 0 is highest priority, 7 lowest. |
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*/ |
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#define MAX_ISC 7 |
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/* Regular I/O interrupts. */ |
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#define IO_SCH_ISC 3 /* regular I/O subchannels */ |
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#define CONSOLE_ISC 1 /* console I/O subchannel */ |
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#define EADM_SCH_ISC 4 /* EADM subchannels */ |
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#define CHSC_SCH_ISC 7 /* CHSC subchannels */ |
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#define VFIO_CCW_ISC IO_SCH_ISC /* VFIO-CCW I/O subchannels */ |
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/* Adapter interrupts. */ |
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#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */ |
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#define PCI_ISC 2 /* PCI I/O subchannels */ |
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#define GAL_ISC 5 /* GIB alert */ |
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#define AP_ISC 6 /* adjunct processor (crypto) devices */ |
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/* Functions for registration of I/O interruption subclasses */ |
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void isc_register(unsigned int isc); |
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void isc_unregister(unsigned int isc); |
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#endif /* _ASM_S390_ISC_H */
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