struct_ciw(9) centos man page | unix.com

STRUCT 
CIW(9)							    The ccw bus 						     STRUCT CIW(9)

NAME
       struct_ciw - command information word (CIW) layout

SYNOPSIS
       struct ciw {
	 __u32 et:2;
	 __u32 reserved:2;
	 __u32 ct:4;
	 __u32 cmd:8;
	 __u32 count:16;
       };

MEMBERS
       et
	   entry type

       reserved
	   reserved bits

       ct
	   command type

       cmd
	   command code

       count
	   command count

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

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							     STRUCT CIW(9)