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cb17a6364a
When the machine supports AP adapter interrupts polling will be switched off at module initialization and the driver will work in interrupt mode. Signed-off-by: Felix Beck <felix.beck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
27 lines
803 B
C
27 lines
803 B
C
#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 CHSC_SCH_ISC 7 /* CHSC 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 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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