xyc_perror
void xyc_perror(struct xy_iorq *, struct xy_iopb *, int);
xyc_perror(iorq, iopb, 0);
xyc_perror(iorq, iopb, 1); /* inform of error state
void xyc_perror(struct xy_iorq *, struct xy_iopb *, int);
xyc_perror(iorq, iopb, 0);
xyc_perror(iorq, iopb, 1); /* inform of error state