ata_scsi_rbuf_fill
ata_scsi_rbuf_fill(dev, cmd, ata_scsiop_inquiry);
ata_scsi_rbuf_fill(dev, cmd, ata_scsiop_mode_sense);
ata_scsi_rbuf_fill(dev, cmd, ata_scsiop_read_cap);
ata_scsi_rbuf_fill(dev, cmd, ata_scsiop_report_luns);
ata_scsi_rbuf_fill(dev, cmd, ata_scsiop_maint_in);