ccw_device_halt (9)

int ccw_device_halt(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_halt calls hsch on cdev's subchannel.

0 on success, -ENODEV on device not operational, -EINVAL on invalid device state, -EBUSY on device busy or interrupt pending.

Interrupts disabled, ccw device lock held

Cornelia Huck <[email protected]>

Author.