diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2008-07-14 09:59:05 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-07-14 10:02:12 +0200 |
| commit | 9d92a7e1b0d095c8be96ce5e592c6c5541684631 (patch) | |
| tree | 22cfca810de07a7d7f87f17a89de0ae10d462038 /include/asm-s390/isc.h | |
| parent | 683c5418e6ac9f40f925dab6f547a5b0a4ad43c6 (diff) | |
[S390] cio: Add chsc subchannel driver.
This patch adds a driver for subchannels of type chsc.
A device /dev/chsc is created which may be used to issue ioctls to:
- obtain information about the machine's I/O configuration
- dynamically change the machine's I/O configuration via
asynchronous chsc commands
Signed-off-by: Cornelia Huck <cornelia.huck@de.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/isc.h')
| -rw-r--r-- | include/asm-s390/isc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-s390/isc.h b/include/asm-s390/isc.h index fe56f7b445e..34bb8916db4 100644 --- a/include/asm-s390/isc.h +++ b/include/asm-s390/isc.h @@ -14,6 +14,7 @@ /* Regular I/O interrupts. */ #define IO_SCH_ISC 3 /* regular I/O subchannels */ #define CONSOLE_ISC 1 /* console I/O subchannel */ +#define CHSC_SCH_ISC 7 /* CHSC subchannels */ /* Adapter interrupts. */ #define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */ |