ccw_device_halt
Prev ccw devices Next

Name

ccw_device_halt — halt I/O request processing

Synopsis

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

Prev Up Next
ccw_device_start_timeout Home ccw_device_resume