219 #define write_wd33c93_cmd(regs, cmd) \  argument
220 	write_wd33c93((regs), WD_COMMAND, (cmd))
282 write_wd33c93_cmd(const wd33c93_regs regs, uchar cmd)  in write_wd33c93_cmd()  argument
286 	*regs.SCMD = cmd;  in write_wd33c93_cmd()
375 wd33c93_queuecommand_lck(struct scsi_cmnd *cmd,  in wd33c93_queuecommand_lck()  argument
381 	hostdata = (struct WD33C93_hostdata *) cmd->device->host->hostdata;  in wd33c93_queuecommand_lck()
384 	   printk("Q-%d-%02x( ", cmd->device->id, cmd->cmnd[0]))  in wd33c93_queuecommand_lck()
391 	cmd->host_scribble = NULL;  in wd33c93_queuecommand_lck()
392 	cmd->scsi_done = done;  in wd33c93_queuecommand_lck()
393 	cmd->result = 0;  in wd33c93_queuecommand_lck()
410 	if (scsi_bufflen(cmd)) {  in wd33c93_queuecommand_lck()
411 		cmd->SCp.buffer = scsi_sglist(cmd);  in wd33c93_queuecommand_lck()
412 		cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;  in wd33c93_queuecommand_lck()
413 		cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);  in wd33c93_queuecommand_lck()
414 		cmd->SCp.this_residual = cmd->SCp.buffer->length;  in wd33c93_queuecommand_lck()
416 		cmd->SCp.buffer = NULL;  in wd33c93_queuecommand_lck()
417 		cmd->SCp.buffers_residual = 0;  in wd33c93_queuecommand_lck()
418 		cmd->SCp.ptr = NULL;  in wd33c93_queuecommand_lck()
419 		cmd->SCp.this_residual = 0;  in wd33c93_queuecommand_lck()
439 	cmd->SCp.Status = ILLEGAL_STATUS_BYTE;  in wd33c93_queuecommand_lck()
449 	if (!(hostdata->input_Q) || (cmd->cmnd[0] == REQUEST_SENSE)) {  in wd33c93_queuecommand_lck()
450 		cmd->host_scribble = (uchar *) hostdata->input_Q;  in wd33c93_queuecommand_lck()
451 		hostdata->input_Q = cmd;  in wd33c93_queuecommand_lck()
456 		tmp->host_scribble = (uchar *) cmd;  in wd33c93_queuecommand_lck()
463 	wd33c93_execute(cmd->device->host);  in wd33c93_queuecommand_lck()
489 	struct scsi_cmnd *cmd, *prev;  in DEF_SCSI_QCMD()  local
502 	cmd = (struct scsi_cmnd *) hostdata->input_Q;  in DEF_SCSI_QCMD()
504 	while (cmd) {  in DEF_SCSI_QCMD()
505 		if (!(hostdata->busy[cmd->device->id] &  in DEF_SCSI_QCMD()
506 		      (1 << (cmd->device->lun & 0xff))))  in DEF_SCSI_QCMD()
508 		prev = cmd;  in DEF_SCSI_QCMD()
509 		cmd = (struct scsi_cmnd *) cmd->host_scribble;  in DEF_SCSI_QCMD()
514 	if (!cmd) {  in DEF_SCSI_QCMD()
522 		prev->host_scribble = cmd->host_scribble;  in DEF_SCSI_QCMD()
524 		hostdata->input_Q = (struct scsi_cmnd *) cmd->host_scribble;  in DEF_SCSI_QCMD()
527 	hostdata->cmd_cnt[cmd->device->id]++;  in DEF_SCSI_QCMD()
534 	if (cmd->sc_data_direction == DMA_TO_DEVICE)  in DEF_SCSI_QCMD()
535 		write_wd33c93(regs, WD_DESTINATION_ID, cmd->device->id);  in DEF_SCSI_QCMD()
537 		write_wd33c93(regs, WD_DESTINATION_ID, cmd->device->id | DSTID_DPD);  in DEF_SCSI_QCMD()
562 	cmd->SCp.phase = 0;	/* assume no disconnect */  in DEF_SCSI_QCMD()
567 	if (cmd->device->type == 1)	/* tape drive? */  in DEF_SCSI_QCMD()
575 		if ((prev->device->id != cmd->device->id) ||  in DEF_SCSI_QCMD()
576 		    (prev->device->lun != cmd->device->lun)) {  in DEF_SCSI_QCMD()
587 	cmd->SCp.phase = 1;  in DEF_SCSI_QCMD()
590 	hostdata->disc_allowed_cnt[cmd->device->id]++;  in DEF_SCSI_QCMD()
595 	write_wd33c93(regs, WD_SOURCE_ID, ((cmd->SCp.phase) ? SRCID_ER : 0));  in DEF_SCSI_QCMD()
597 	write_wd33c93(regs, WD_TARGET_LUN, (u8)cmd->device->lun);  in DEF_SCSI_QCMD()
599 		      hostdata->sync_xfer[cmd->device->id]);  in DEF_SCSI_QCMD()
600 	hostdata->busy[cmd->device->id] |= (1 << (cmd->device->lun & 0xFF));  in DEF_SCSI_QCMD()
603 	    (hostdata->sync_stat[cmd->device->id] == SS_UNSET)) {  in DEF_SCSI_QCMD()
613 		hostdata->selecting = cmd;  in DEF_SCSI_QCMD()
627 		if (hostdata->sync_stat[cmd->device->id] == SS_UNSET)  in DEF_SCSI_QCMD()
628 			hostdata->sync_stat[cmd->device->id] = SS_FIRST;  in DEF_SCSI_QCMD()
642 		hostdata->connected = cmd;  in DEF_SCSI_QCMD()
649 		write_wd33c93_cdb(regs, cmd->cmd_len, cmd->cmnd);  in DEF_SCSI_QCMD()
657 		write_wd33c93(regs, WD_OWN_ID, cmd->cmd_len);  in DEF_SCSI_QCMD()
664 		if ((cmd->SCp.phase == 0) && (hostdata->no_dma == 0)) {  in DEF_SCSI_QCMD()
665 			if (hostdata->dma_setup(cmd,  in DEF_SCSI_QCMD()
666 			    (cmd->sc_data_direction == DMA_TO_DEVICE) ?  in DEF_SCSI_QCMD()
671 						    cmd->SCp.this_residual);  in DEF_SCSI_QCMD()
691 	   printk("%s)EX-2 ", (cmd->SCp.phase) ? "d:" : ""))  in DEF_SCSI_QCMD()
730 transfer_bytes(const wd33c93_regs regs, struct scsi_cmnd *cmd,  in transfer_bytes()  argument
736 	hostdata = (struct WD33C93_hostdata *) cmd->device->host->hostdata;  in transfer_bytes()
746 	if (!cmd->SCp.this_residual && cmd->SCp.buffers_residual) {  in transfer_bytes()
747 		++cmd->SCp.buffer;  in transfer_bytes()
748 		--cmd->SCp.buffers_residual;  in transfer_bytes()
749 		cmd->SCp.this_residual = cmd->SCp.buffer->length;  in transfer_bytes()
750 		cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);  in transfer_bytes()
752 	if (!cmd->SCp.this_residual) /* avoid bogus setups */  in transfer_bytes()
756 		      hostdata->sync_xfer[cmd->device->id]);  in transfer_bytes()
762 	if (hostdata->no_dma || hostdata->dma_setup(cmd, data_in_dir)) {  in transfer_bytes()
766 		transfer_pio(regs, (uchar *) cmd->SCp.ptr,  in transfer_bytes()
767 			     cmd->SCp.this_residual, data_in_dir, hostdata);  in transfer_bytes()
768 		length = cmd->SCp.this_residual;  in transfer_bytes()
769 		cmd->SCp.this_residual = read_wd33c93_count(regs);  in transfer_bytes()
770 		cmd->SCp.ptr += (length - cmd->SCp.this_residual);  in transfer_bytes()
787 		write_wd33c93_count(regs, cmd->SCp.this_residual);  in transfer_bytes()
790 		    (hostdata->level2 == L2_BASIC && cmd->SCp.phase == 0)) {  in transfer_bytes()
807 	struct scsi_cmnd *patch, *cmd;  in wd33c93_intr()  local
821 	cmd = (struct scsi_cmnd *) hostdata->connected;	/* assume we're connected */  in wd33c93_intr()
843 		   printk("[%p/%d:", cmd->SCp.ptr, cmd->SCp.this_residual))  in wd33c93_intr()
844 		    hostdata->dma_stop(cmd->device->host, cmd, 1);  in wd33c93_intr()
846 		length = cmd->SCp.this_residual;  in wd33c93_intr()
847 		cmd->SCp.this_residual = read_wd33c93_count(regs);  in wd33c93_intr()
848 		cmd->SCp.ptr += (length - cmd->SCp.this_residual);  in wd33c93_intr()
850 		   printk("%p/%d]", cmd->SCp.ptr, cmd->SCp.this_residual))  in wd33c93_intr()
861 			cmd = (struct scsi_cmnd *) hostdata->selecting;	/* get a valid cmd */  in wd33c93_intr()
865 		cmd->result = DID_NO_CONNECT << 16;  in wd33c93_intr()
866 		hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));  in wd33c93_intr()
868 		cmd->scsi_done(cmd);  in wd33c93_intr()
893 		    hostdata->connected = cmd =  in wd33c93_intr()
899 		hostdata->outgoing_msg[0] = IDENTIFY(0, cmd->device->lun);  in wd33c93_intr()
900 		if (cmd->SCp.phase)  in wd33c93_intr()
903 		if (hostdata->sync_stat[cmd->device->id] == SS_FIRST) {  in wd33c93_intr()
905 			hostdata->sync_stat[cmd->device->id] = SS_WAITING;  in wd33c93_intr()
916 			if (hostdata->no_sync & (1 << cmd->device->id)) {  in wd33c93_intr()
942 		   printk("IN-%d.%d", cmd->SCp.this_residual,  in wd33c93_intr()
943 			  cmd->SCp.buffers_residual))  in wd33c93_intr()
944 		    transfer_bytes(regs, cmd, DATA_IN_DIR);  in wd33c93_intr()
954 		   printk("OUT-%d.%d", cmd->SCp.this_residual,  in wd33c93_intr()
955 			  cmd->SCp.buffers_residual))  in wd33c93_intr()
956 		    transfer_bytes(regs, cmd, DATA_OUT_DIR);  in wd33c93_intr()
967 		DB(DB_INTR, printk("CMND-%02x", cmd->cmnd[0]))  in wd33c93_intr()
968 		    transfer_pio(regs, cmd->cmnd, cmd->cmd_len, DATA_OUT_DIR,  in wd33c93_intr()
978 		cmd->SCp.Status = read_1_byte(regs);  in wd33c93_intr()
979 		DB(DB_INTR, printk("%02x", cmd->SCp.Status))  in wd33c93_intr()
1007 		cmd->SCp.Message = msg;  in wd33c93_intr()
1036 			    cmd->device->disconnect = 1;  in wd33c93_intr()
1046 			if (hostdata->sync_stat[cmd->device->id] == SS_WAITING) {  in wd33c93_intr()
1047 				hostdata->sync_stat[cmd->device->id] = SS_SET;  in wd33c93_intr()
1049 				hostdata->sync_xfer[cmd->device->id] =  in wd33c93_intr()
1076 					if (hostdata->sync_stat[cmd->device->id] !=  in wd33c93_intr()
1107 					hostdata->sync_xfer[cmd->device->id] = id;  in wd33c93_intr()
1110 					       hostdata->sync_xfer[cmd->device->id]);  in wd33c93_intr()
1112 					hostdata->sync_stat[cmd->device->id] =  in wd33c93_intr()
1179 			    cmd->SCp.Message = COMMAND_COMPLETE;  in wd33c93_intr()
1181 			DB(DB_INTR, printk(":%d.%d", cmd->SCp.Status, lun))  in wd33c93_intr()
1183 			hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));  in wd33c93_intr()
1185 			if (cmd->SCp.Status == ILLEGAL_STATUS_BYTE)  in wd33c93_intr()
1186 				cmd->SCp.Status = lun;  in wd33c93_intr()
1187 			if (cmd->cmnd[0] == REQUEST_SENSE  in wd33c93_intr()
1188 			    && cmd->SCp.Status != GOOD)  in wd33c93_intr()
1189 				cmd->result =  in wd33c93_intr()
1190 				    (cmd->  in wd33c93_intr()
1193 				cmd->result =  in wd33c93_intr()
1194 				    cmd->SCp.Status | (cmd->SCp.Message << 8);  in wd33c93_intr()
1195 			cmd->scsi_done(cmd);  in wd33c93_intr()
1264 		if (cmd == NULL) {  in wd33c93_intr()
1272 		hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));  in wd33c93_intr()
1274 		if (cmd->cmnd[0] == REQUEST_SENSE && cmd->SCp.Status != GOOD)  in wd33c93_intr()
1275 			cmd->result =  in wd33c93_intr()
1276 			    (cmd->result & 0x00ffff) | (DID_ERROR << 16);  in wd33c93_intr()
1278 			cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8);  in wd33c93_intr()
1279 		cmd->scsi_done(cmd);  in wd33c93_intr()
1297 		    if (cmd == NULL) {  in wd33c93_intr()
1304 			hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));  in wd33c93_intr()
1306 			DB(DB_INTR, printk(":%d", cmd->SCp.Status))  in wd33c93_intr()
1307 			    if (cmd->cmnd[0] == REQUEST_SENSE  in wd33c93_intr()
1308 				&& cmd->SCp.Status != GOOD)  in wd33c93_intr()
1309 				cmd->result =  in wd33c93_intr()
1310 				    (cmd->  in wd33c93_intr()
1313 				cmd->result =  in wd33c93_intr()
1314 				    cmd->SCp.Status | (cmd->SCp.Message << 8);  in wd33c93_intr()
1315 			cmd->scsi_done(cmd);  in wd33c93_intr()
1319 			cmd->host_scribble = (uchar *) hostdata->disconnected_Q;  in wd33c93_intr()
1320 			hostdata->disconnected_Q = cmd;  in wd33c93_intr()
1325 			hostdata->disc_done_cnt[cmd->device->id]++;  in wd33c93_intr()
1355 				cmd = (struct scsi_cmnd *) hostdata->selecting;  in wd33c93_intr()
1357 				hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));  in wd33c93_intr()
1358 				cmd->host_scribble =  in wd33c93_intr()
1360 				hostdata->input_Q = cmd;  in wd33c93_intr()
1366 			if (cmd) {  in wd33c93_intr()
1368 					hostdata->busy[cmd->device->id] &=  in wd33c93_intr()
1369 						~(1 << (cmd->device->lun & 0xff));  in wd33c93_intr()
1370 					cmd->host_scribble =  in wd33c93_intr()
1372 					hostdata->input_Q = cmd;  in wd33c93_intr()
1449 		cmd = (struct scsi_cmnd *) hostdata->disconnected_Q;  in wd33c93_intr()
1451 		while (cmd) {  in wd33c93_intr()
1452 			if (id == cmd->device->id && lun == (u8)cmd->device->lun)  in wd33c93_intr()
1454 			patch = cmd;  in wd33c93_intr()
1455 			cmd = (struct scsi_cmnd *) cmd->host_scribble;  in wd33c93_intr()
1460 		if (!cmd) {  in wd33c93_intr()
1471 			patch->host_scribble = cmd->host_scribble;  in wd33c93_intr()
1474 			    (struct scsi_cmnd *) cmd->host_scribble;  in wd33c93_intr()
1475 		hostdata->connected = cmd;  in wd33c93_intr()
1482 		if (cmd->sc_data_direction == DMA_TO_DEVICE)  in wd33c93_intr()
1483 			write_wd33c93(regs, WD_DESTINATION_ID, cmd->device->id);  in wd33c93_intr()
1486 				      cmd->device->id | DSTID_DPD);  in wd33c93_intr()
1610 wd33c93_abort(struct scsi_cmnd * cmd)  in wd33c93_abort()  argument
1617 	disable_irq(cmd->device->host->irq);  in wd33c93_abort()
1619 	instance = cmd->device->host;  in wd33c93_abort()
1631 		if (tmp == cmd) {  in wd33c93_abort()
1633 				prev->host_scribble = cmd->host_scribble;  in wd33c93_abort()
1636 				    (struct scsi_cmnd *) cmd->host_scribble;  in wd33c93_abort()
1637 			cmd->host_scribble = NULL;  in wd33c93_abort()
1638 			cmd->result = DID_ABORT << 16;  in wd33c93_abort()
1642 			enable_irq(cmd->device->host->irq);  in wd33c93_abort()
1643 			cmd->scsi_done(cmd);  in wd33c93_abort()
1661 	if (hostdata->connected == cmd) {  in wd33c93_abort()
1670 			hostdata->dma_stop(instance, cmd, 0);  in wd33c93_abort()
1709 		hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff));  in wd33c93_abort()
1712 		cmd->result = DID_ABORT << 16;  in wd33c93_abort()
1717 		enable_irq(cmd->device->host->irq);  in wd33c93_abort()
1718 		cmd->scsi_done(cmd);  in wd33c93_abort()
1730 		if (tmp == cmd) {  in wd33c93_abort()
1735 			enable_irq(cmd->device->host->irq);  in wd33c93_abort()
1754 	enable_irq(cmd->device->host->irq);  in wd33c93_abort()
2132 	struct scsi_cmnd *cmd;  in wd33c93_show_info()  local
2172 			cmd = (struct scsi_cmnd *) hd->connected;  in wd33c93_show_info()
2174 				cmd->device->id, cmd->device->lun, cmd->cmnd[0]);  in wd33c93_show_info()
2179 		cmd = (struct scsi_cmnd *) hd->input_Q;  in wd33c93_show_info()
2180 		while (cmd) {  in wd33c93_show_info()
2182 				cmd->device->id, cmd->device->lun, cmd->cmnd[0]);  in wd33c93_show_info()
2183 			cmd = (struct scsi_cmnd *) cmd->host_scribble;  in wd33c93_show_info()
2188 		cmd = (struct scsi_cmnd *) hd->disconnected_Q;  in wd33c93_show_info()
2189 		while (cmd) {  in wd33c93_show_info()
2191 				cmd->device->id, cmd->device->lun, cmd->cmnd[0]);  in wd33c93_show_info()
2192 			cmd = (struct scsi_cmnd *) cmd->host_scribble;  in wd33c93_show_info()