Ccw_device_clear (9) Linux Manual Page

ccw_device_clear – terminate I/O request processing

Synopsis

int ccw_device_clear(struct ccw_device *cdev, unsigned long intparm);

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

ccw_device_clear calls csch on cdev‘s subchannel.

0 on success, –ENODEV on device not operational, –EINVAL on invalid device state.

Interrupts disabled, ccw device lock held

Cornelia Huck <cornelia.huck [at] de.ibm.com>

Author.