ccw_device_clear(9)
NAME
ccw_device_clear - terminate I/O request processing
SYNOPSIS
int ccw_device_clear(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_clear calls csch on cdev´s subchannel.
RETURNS
0 on success, -ENODEV on device not operational, -EINVAL on invalid
device state.
CONTEXT
Interrupts disabled, ccw device lock held
AUTHOR
- Cornelia Huck <cornelia.huck@de.ibm.com>
- Author.