struct scsw — subchannel status word
struct 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; };
subchannel key
suspend control
esw format
deferred condition code
format
prefetch
initial-status interruption control
address-limit checking control
suppress-suspended interruption
zero condition code
extended control
path not operational
reserved
function control
activity control
status control
channel program address
device status
subchannel status
residual count