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ccw_device_halt
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
ccw_device_halt - halt I/O request processingSYNOPSIS
- int ccw_device_halt(struct ccw_device * cdev, unsigned long intparm);
ARGUMENTS
cdev
- target ccw device
intparm
- interruption parameter; value is only used if no I/O is outstanding, otherwise the intparm associated with the I/O request is returned
DESCRIPTION
ccw_device_halt calls hsch on cdev's subchannel.
RETURNS
0 on success, -ENODEV on device not operational, -EINVAL on invalid device state, -EBUSY on device busy or interrupt pending.
CONTEXT
Interrupts disabled, ccw device lock held
AUTHOR
Cornelia Huck <cornelia.huck@de.ibm.com>
- Author.
COPYRIGHT
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