cmb.h File Reference

#include <uapi/asm/cmb.h>

Go to the source code of this file.

Functions
int	enable_cmf (struct ccw_device *cdev)
int	disable_cmf (struct ccw_device *cdev)
u64	cmf_read (struct ccw_device *cdev, int index)
int	cmf_readall (struct ccw_device *cdev, struct cmbdata *data)

Function Documentation

u64 cmf_read	(	struct ccw_device *	cdev,
		int	index
	)

cmf_read() - read one value from the current channel measurement block : the channel to be read : the index of the value to be read

Returns the value read or %0 if the value cannot be read.

Context: any

Definition at line 1271 of file cmf.c.

int cmf_readall	(	struct ccw_device *	cdev,
		struct cmbdata *	data
	)

cmf_readall() - read the current channel measurement block : the channel to be read : a pointer to a data block that will be filled

Returns %0 on success, a negative error value otherwise.

Context: any

Definition at line 1286 of file cmf.c.

int disable_cmf

(

struct ccw_device *

cdev

)

disable_cmf() - switch off the channel measurement for a specific device : The ccw device to be disabled

Returns %0 for success or a negative error value.

Context: non-atomic

Definition at line 1249 of file cmf.c.

int enable_cmf

(

struct ccw_device *

cdev

)

enable_cmf() - switch on the channel measurement for a specific device : The ccw device to be enabled

Returns %0 for success or a negative error value.

Context: non-atomic

Definition at line 1219 of file cmf.c.