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[S390] cio: obtain mdc value per channel path

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Add support to accumulate the number of 64K-bytes blocks all paths
to a device at least support for a transport command.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott
2011-01-05 12:47:56 +01:00
committed by Martin Schwidefsky
parent 37e8952174
commit ce322ccd53
4 changed files with 79 additions and 0 deletions
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arch/s390/include/asm/ccwdev.h
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@@ -204,6 +204,8 @@ int ccw_device_tm_start_timeout(struct ccw_device *, struct tcw *,
unsigned long, u8, int);
int ccw_device_tm_intrg(struct ccw_device *cdev);
int ccw_device_get_mdc(struct ccw_device *cdev, u8 mask);
extern int ccw_device_set_online(struct ccw_device *cdev);
extern int ccw_device_set_offline(struct ccw_device *cdev);