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.

RETURN
       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 AT de.com>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                     CCW_DEVICE_GET_CIW(9)