Name

enable_cmf — switch on the channel measurement for a specific device

Synopsis

int enable_cmf (struct ccw_device * cdev);
 

Arguments

struct ccw_device * cdev

The ccw device to be enabled

Description

Returns 0 for success or a negative error value.

Note

If this is called on a device for which channel measurement is already enabled a reset of the measurement data is triggered.

Context

non-atomic