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authorSebastian Ott <sebott@linux.vnet.ibm.com>2008-07-14 09:59:00 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2008-07-14 10:02:11 +0200
commitfcc6ab335ba4d0f2b2548a910466c0dac767e5b1 (patch)
tree2a20c5b66c7e5528cb374034f0a3d7415d5a1a3a /include/asm-s390
parentda7c5af82879828409f6b81431ac2f9f353ab04e (diff)
downloadop-kernel-dev-fcc6ab335ba4d0f2b2548a910466c0dac767e5b1.zip
op-kernel-dev-fcc6ab335ba4d0f2b2548a910466c0dac767e5b1.tar.gz
[S390] cio: introduce isc_(un)register functions.
This interface makes it easy for drivers to register usage of different I/O interruption subclasses without needing to worry about possible other users of the same isc. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'include/asm-s390')
-rw-r--r--include/asm-s390/isc.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-s390/isc.h b/include/asm-s390/isc.h
index 533a137..fe56f7b 100644
--- a/include/asm-s390/isc.h
+++ b/include/asm-s390/isc.h
@@ -1,6 +1,8 @@
#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
@@ -15,4 +17,8 @@
/* Adapter interrupts. */
#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */
+/* 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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