scsa2usb_last_cmd
scsa2usbp->scsa2usb_last_cmd.status = p[2];
len = sizeof (scsa2usbp->scsa2usb_last_cmd.cdb);
bzero(scsa2usbp->scsa2usb_last_cmd.cdb, len);
bcopy(pkt->pkt_cdbp, scsa2usbp->scsa2usb_last_cmd.cdb, len);
scsa2usbp->scsa2usb_last_cmd.status = 0;
scsa2usb_last_cmd_t scsa2usb_last_cmd; /* last/prev command */