struct sublog — subchannel logout area
struct sublog {
__u32 res0:1;
__u32 esf:7;
__u32 lpum:8;
__u32 arep:1;
__u32 fvf:5;
__u32 sacc:2;
__u32 termc:2;
__u32 devsc:1;
__u32 serr:1;
__u32 ioerr:1;
__u32 seqc:3;
}; __u32:1 res0reserved
__u32:7 esfextended status flags
__u32:8 lpumlast path used mask
__u32:1 arepancillary report
__u32:5 fvffield-validity flags
__u32:2 saccstorage access code
__u32:2 termctermination code
__u32:1 devscdevice-status check
__u32:1 serrsecondary error
__u32:1 ioerri/o-error alert
__u32:3 seqcsequence code