struct_cmd_scsw

Langue: en

Version: May 2009 (fedora - 06/07/09)

Section: 9 (Appels noyau Linux)

NAME

struct_cmd_scsw - command-mode subchannel status word

SYNOPSIS

 struct cmd_scsw {
   __u32 key:4;
   __u32 sctl:1;
   __u32 eswf:1;
   __u32 cc:2;
   __u32 fmt:1;
   __u32 pfch:1;
   __u32 isic:1;
   __u32 alcc:1;
   __u32 ssi:1;
   __u32 zcc:1;
   __u32 ectl:1;
   __u32 pno:1;
   __u32 res:1;
   __u32 fctl:3;
   __u32 actl:7;
   __u32 stctl:5;
   __u32 cpa;
   __u32 dstat:8;
   __u32 cstat:8;
   __u32 count:16;
 };  
 

MEMBERS

key

subchannel key

sctl

suspend control

eswf

esw format

cc

deferred condition code

fmt

format

pfch

prefetch

isic

initial-status interruption control

alcc

address-limit checking control

ssi

suppress-suspended interruption

zcc

zero condition code

ectl

extended control

pno

path not operational

res

reserved

fctl

function control

actl

activity control

stctl

status control

cpa

channel program address

dstat

device status

cstat

subchannel status

count

residual count

AUTHOR

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

Author.