---
name: "cmf_readall"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/cmf_readall"
---

# cmf\_readall(9)

read the current channel measurement block

## NAME

cmf\_readall - read the current channel measurement block

## SYNOPSIS

**int cmf\_readall(struct ccw\_device \*** *cdev***, struct cmbdata \*** *data***);**

## ARGUMENTS

*cdev*

the channel to be read

*data*

a pointer to a data block that will be filled

## DESCRIPTION

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

## CONTEXT

any

## AUTHOR

**Cornelia Huck** \<cornelia.huck@de.ibm.com\>

Author.

## COPYRIGHT