- struct ata_queued_cmd *qc;
- u8 *scsicmd = cmd->cmnd, status;
- unsigned int doing_dma = 0;
-
- VPRINTK("ENTER, drv_stat = 0x%x\n", ata_chk_status(ap));
-
- if (cmd->sc_data_direction == SCSI_DATA_UNKNOWN) {
- DPRINTK("unknown data, scsicmd 0x%x\n", scsicmd[0]);
- ata_bad_cdb(cmd, done);
- return;
- }
-
- switch(scsicmd[0]) {
- case READ_6:
- case WRITE_6:
- case MODE_SELECT:
- case MODE_SENSE:
- DPRINTK("read6/write6/modesel/modesense trap\n");
- ata_bad_scsiop(cmd, done);
- return;
-
- default:
- /* do nothing */
- break;
- }
-
- qc = ata_scsi_qc_new(ap, dev, cmd, done);
- if (!qc) {
- printk(KERN_ERR "ata%u: command queue empty\n", ap->id);
- return;
- }
-
- qc->flags |= ATA_QCFLAG_ATAPI;