centos man page for ccw_device_get_ciw

CCW_DEVICE_GET_CIW(9)						    The ccw bus 					     CCW_DEVICE_GET_CIW(9)

NAME
       ccw_device_get_ciw - Search for CIW command in extended sense data.

SYNOPSIS
       struct ciw * ccw_device_get_ciw(struct ccw_device * cdev, __u32 ct);

ARGUMENTS
       cdev
	   ccw device to inspect

       ct
	   command type to look for

DESCRIPTION
       During SenseID, command information words (CIWs) describing special commands available to the device may have been stored in the extended
       sense data. This function searches for CIWs of a specified command type in the extended sense data.

RETURNS
       NULL if no extended sense data has been stored or if no CIW of the specified command type could be found, else a pointer to the CIW of the
       specified command type.

AUTHOR
       Cornelia Huck <cornelia.huck@de.ibm.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     CCW_DEVICE_GET_CIW(9)