struct_ccw1

Langue: en

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

NAME

struct_ccw1 - channel command word

SYNOPSIS

 struct ccw1 {
   __u8 cmd_code;
   __u8 flags;
   __u16 count;
   __u32 cda;
 };  
 

MEMBERS

cmd_code

command code

flags

flags, like IDA adressing, etc.

count

byte count

cda

data address

DESCRIPTION

The ccw is the basic structure to build channel programs that perform operations with the device or the control unit. Only Format-1 channel command words are supported.

AUTHOR

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

Author.