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[S390] zcrypt: Use of Thin Interrupts

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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>
This commit is contained in:
Felix Beck
2008-12-25 13:38:41 +01:00
committed by Martin Schwidefsky
parent 320c04c068
commit cb17a6364a
3 changed files with 177 additions and 4 deletions
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arch/s390/include/asm/isc.h
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@@ -17,6 +17,7 @@
#define CHSC_SCH_ISC 7 /* CHSC subchannels */
/* Adapter interrupts. */
#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */
#define AP_ISC 6 /* adjunct processor (crypto) devices */
/* Functions for registration of I/O interruption subclasses */
void isc_register(unsigned int isc);