207 static inline void write_3393_cmd(struct IN2000_hostdata *hostdata, uchar cmd)  in write_3393_cmd()  argument
212 	write1_io(cmd, IO_WD_DATA);  in write_3393_cmd()
257 static int is_dir_out(Scsi_Cmnd * cmd)  in is_dir_out()  argument
259 	switch (cmd->cmnd[0]) {  in is_dir_out()
336 static int in2000_queuecommand_lck(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))  in in2000_queuecommand_lck()  argument
342 	instance = cmd->device->host;  in in2000_queuecommand_lck()
345 	DB(DB_QUEUE_COMMAND, scmd_printk(KERN_DEBUG, cmd, "Q-%02x(", cmd->cmnd[0]))  in in2000_queuecommand_lck()
352 	    cmd->host_scribble = NULL;  in in2000_queuecommand_lck()
353 	cmd->scsi_done = done;  in in2000_queuecommand_lck()
354 	cmd->result = 0;  in in2000_queuecommand_lck()
371 	if (scsi_bufflen(cmd)) {  in in2000_queuecommand_lck()
372 		cmd->SCp.buffer = scsi_sglist(cmd);  in in2000_queuecommand_lck()
373 		cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;  in in2000_queuecommand_lck()
374 		cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);  in in2000_queuecommand_lck()
375 		cmd->SCp.this_residual = cmd->SCp.buffer->length;  in in2000_queuecommand_lck()
377 		cmd->SCp.buffer = NULL;  in in2000_queuecommand_lck()
378 		cmd->SCp.buffers_residual = 0;  in in2000_queuecommand_lck()
379 		cmd->SCp.ptr = NULL;  in in2000_queuecommand_lck()
380 		cmd->SCp.this_residual = 0;  in in2000_queuecommand_lck()
382 	cmd->SCp.have_data_in = 0;  in in2000_queuecommand_lck()
403 	cmd->SCp.Status = ILLEGAL_STATUS_BYTE;  in in2000_queuecommand_lck()
415 	if (!(hostdata->input_Q) || (cmd->cmnd[0] == REQUEST_SENSE)) {  in in2000_queuecommand_lck()
416 		cmd->host_scribble = (uchar *) hostdata->input_Q;  in in2000_queuecommand_lck()
417 		hostdata->input_Q = cmd;  in in2000_queuecommand_lck()
420 		tmp->host_scribble = (uchar *) cmd;  in in2000_queuecommand_lck()
427 	in2000_execute(cmd->device->host);  in in2000_queuecommand_lck()
448 	Scsi_Cmnd *cmd, *prev;  in DEF_SCSI_QCMD()  local
471 	cmd = (Scsi_Cmnd *) hostdata->input_Q;  in DEF_SCSI_QCMD()
473 	while (cmd) {  in DEF_SCSI_QCMD()
474 		if (!(hostdata->busy[cmd->device->id] & (1 << cmd->device->lun)))  in DEF_SCSI_QCMD()
476 		prev = cmd;  in DEF_SCSI_QCMD()
477 		cmd = (Scsi_Cmnd *) cmd->host_scribble;  in DEF_SCSI_QCMD()
482 	if (!cmd) {  in DEF_SCSI_QCMD()
492 		prev->host_scribble = cmd->host_scribble;  in DEF_SCSI_QCMD()
494 		hostdata->input_Q = (Scsi_Cmnd *) cmd->host_scribble;  in DEF_SCSI_QCMD()
497 	hostdata->cmd_cnt[cmd->device->id]++;  in DEF_SCSI_QCMD()
504 	if (is_dir_out(cmd))  in DEF_SCSI_QCMD()
505 		write_3393(hostdata, WD_DESTINATION_ID, cmd->device->id);  in DEF_SCSI_QCMD()
507 		write_3393(hostdata, WD_DESTINATION_ID, cmd->device->id | DSTID_DPD);  in DEF_SCSI_QCMD()
532 	cmd->SCp.phase = 0;	/* assume no disconnect */  in DEF_SCSI_QCMD()
537 	if (cmd->device->type == 1)	/* tape drive? */  in DEF_SCSI_QCMD()
544 		if ((prev->device->id != cmd->device->id) || (prev->device->lun != cmd->device->lun)) {  in DEF_SCSI_QCMD()
553 	cmd->SCp.phase = 1;  in DEF_SCSI_QCMD()
556 	hostdata->disc_allowed_cnt[cmd->device->id]++;  in DEF_SCSI_QCMD()
560 	write_3393(hostdata, WD_SOURCE_ID, ((cmd->SCp.phase) ? SRCID_ER : 0));  in DEF_SCSI_QCMD()
562 	write_3393(hostdata, WD_TARGET_LUN, cmd->device->lun);  in DEF_SCSI_QCMD()
563 	write_3393(hostdata, WD_SYNCHRONOUS_TRANSFER, hostdata->sync_xfer[cmd->device->id]);  in DEF_SCSI_QCMD()
564 	hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);  in DEF_SCSI_QCMD()
566 	if ((hostdata->level2 <= L2_NONE) || (hostdata->sync_stat[cmd->device->id] == SS_UNSET)) {  in DEF_SCSI_QCMD()
576 		hostdata->selecting = cmd;  in DEF_SCSI_QCMD()
588 		if (hostdata->sync_stat[cmd->device->id] == SS_UNSET) {  in DEF_SCSI_QCMD()
589 			if (hostdata->sync_off & (1 << cmd->device->id))  in DEF_SCSI_QCMD()
590 				hostdata->sync_stat[cmd->device->id] = SS_SET;  in DEF_SCSI_QCMD()
592 				hostdata->sync_stat[cmd->device->id] = SS_FIRST;  in DEF_SCSI_QCMD()
609 		hostdata->connected = cmd;  in DEF_SCSI_QCMD()
617 		for (i = 0; i < cmd->cmd_len; i++)  in DEF_SCSI_QCMD()
618 			write1_io(cmd->cmnd[i], IO_WD_DATA);  in DEF_SCSI_QCMD()
626 		write_3393(hostdata, WD_OWN_ID, cmd->cmd_len);  in DEF_SCSI_QCMD()
646 		if (!(cmd->SCp.phase)) {  in DEF_SCSI_QCMD()
647 			write_3393_count(hostdata, cmd->SCp.this_residual);  in DEF_SCSI_QCMD()
651 			if (is_dir_out(cmd)) {  in DEF_SCSI_QCMD()
653 				if ((i = cmd->SCp.this_residual) > (IN2000_FIFO_SIZE - 16))  in DEF_SCSI_QCMD()
655 				cmd->SCp.have_data_in = i;	/* this much data in fifo */  in DEF_SCSI_QCMD()
657 				sp = (unsigned short *) cmd->SCp.ptr;  in DEF_SCSI_QCMD()
671 				if (cmd->SCp.have_data_in <= ((IN2000_FIFO_SIZE - 16) - 32)) {  in DEF_SCSI_QCMD()
690 				cmd->SCp.have_data_in = 0;	/* nothing transferred yet */  in DEF_SCSI_QCMD()
707 	DB(DB_EXECUTE, printk("%s)EX-2 ", (cmd->SCp.phase) ? "d:" : ""))  in DEF_SCSI_QCMD()
747 static void transfer_bytes(Scsi_Cmnd * cmd, int data_in_dir)  in transfer_bytes()  argument
754 	hostdata = (struct IN2000_hostdata *) cmd->device->host->hostdata;  in transfer_bytes()
764 	if (!cmd->SCp.this_residual && cmd->SCp.buffers_residual) {  in transfer_bytes()
765 		++cmd->SCp.buffer;  in transfer_bytes()
766 		--cmd->SCp.buffers_residual;  in transfer_bytes()
767 		cmd->SCp.this_residual = cmd->SCp.buffer->length;  in transfer_bytes()
768 		cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);  in transfer_bytes()
773 	write_3393(hostdata, WD_SYNCHRONOUS_TRANSFER, hostdata->sync_xfer[cmd->device->id]);  in transfer_bytes()
774 	write_3393_count(hostdata, cmd->SCp.this_residual);  in transfer_bytes()
784 		if ((hostdata->level2 >= L2_DATA) || (hostdata->level2 == L2_BASIC && cmd->SCp.phase == 0)) {  in transfer_bytes()
791 		cmd->SCp.have_data_in = 0;  in transfer_bytes()
800 	if ((hostdata->level2 >= L2_DATA) || (hostdata->level2 == L2_BASIC && cmd->SCp.phase == 0)) {  in transfer_bytes()
807 	sp = (unsigned short *) cmd->SCp.ptr;  in transfer_bytes()
809 	if ((i = cmd->SCp.this_residual) > IN2000_FIFO_SIZE)  in transfer_bytes()
811 	cmd->SCp.have_data_in = i;  in transfer_bytes()
837 	Scsi_Cmnd *patch, *cmd;  in in2000_intr()  local
913 		cmd = (Scsi_Cmnd *) hostdata->connected;	/* assume we're connected */  in in2000_intr()
914 		CHECK_NULL(cmd, "fifo_int")  in in2000_intr()
920 			    sp = (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);  in in2000_intr()
934 			i = sp - (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);  in in2000_intr()
936 			cmd->SCp.have_data_in += i;  in in2000_intr()
953 			    if (cmd->SCp.this_residual == cmd->SCp.have_data_in) {  in in2000_intr()
964 				sp = (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);  in in2000_intr()
965 				i = cmd->SCp.this_residual - cmd->SCp.have_data_in;	/* bytes yet to go */  in in2000_intr()
973 				i = sp - (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);  in in2000_intr()
975 				cmd->SCp.have_data_in += i;  in in2000_intr()
995 	cmd = (Scsi_Cmnd *) hostdata->connected;	/* assume we're connected */  in in2000_intr()
999 	if (!cmd && (sr != CSR_RESEL_AM && sr != CSR_TIMEOUT && sr != CSR_SELECT)) {  in in2000_intr()
1026 		sp = (unsigned short *) (cmd->SCp.ptr + cmd->SCp.have_data_in);  in in2000_intr()
1030 		i = (cmd->SCp.this_residual - read_3393_count(hostdata)) - cmd->SCp.have_data_in;  in in2000_intr()
1044 		length = cmd->SCp.this_residual;  in in2000_intr()
1045 		cmd->SCp.this_residual = read_3393_count(hostdata);  in in2000_intr()
1046 		cmd->SCp.ptr += (length - cmd->SCp.this_residual);  in in2000_intr()
1048 		DB(DB_TRANSFER, printk("(%p,%d)", cmd->SCp.ptr, cmd->SCp.this_residual))  in in2000_intr()
1054 		length = cmd->SCp.this_residual;  in in2000_intr()
1055 		cmd->SCp.this_residual = read_3393_count(hostdata);  in in2000_intr()
1056 		cmd->SCp.ptr += (length - cmd->SCp.this_residual);  in in2000_intr()
1058 		DB(DB_TRANSFER, printk("(%p,%d)", cmd->SCp.ptr, cmd->SCp.this_residual))  in in2000_intr()
1072 			cmd = (Scsi_Cmnd *) hostdata->selecting;	/* get a valid cmd */  in in2000_intr()
1073 			CHECK_NULL(cmd, "csr_timeout")  in in2000_intr()
1077 		cmd->result = DID_NO_CONNECT << 16;  in in2000_intr()
1078 		hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);  in in2000_intr()
1080 		cmd->scsi_done(cmd);  in in2000_intr()
1094 		    hostdata->connected = cmd = (Scsi_Cmnd *) hostdata->selecting;  in in2000_intr()
1095 		CHECK_NULL(cmd, "csr_select")  in in2000_intr()
1100 		hostdata->outgoing_msg[0] = (0x80 | 0x00 | cmd->device->lun);  in in2000_intr()
1101 		if (cmd->SCp.phase)  in in2000_intr()
1104 		if (hostdata->sync_stat[cmd->device->id] == SS_FIRST) {  in in2000_intr()
1109 			hostdata->sync_stat[cmd->device->id] = SS_WAITING;  in in2000_intr()
1129 		DB(DB_INTR, printk("IN-%d.%d", cmd->SCp.this_residual, cmd->SCp.buffers_residual))  in in2000_intr()
1130 		    transfer_bytes(cmd, DATA_IN_DIR);  in in2000_intr()
1139 		DB(DB_INTR, printk("OUT-%d.%d", cmd->SCp.this_residual, cmd->SCp.buffers_residual))  in in2000_intr()
1140 		    transfer_bytes(cmd, DATA_OUT_DIR);  in in2000_intr()
1151 		DB(DB_INTR, printk("CMND-%02x", cmd->cmnd[0]))  in in2000_intr()
1152 		    transfer_pio(cmd->cmnd, cmd->cmd_len, DATA_OUT_DIR, hostdata);  in in2000_intr()
1162 		    cmd->SCp.Status = read_1_byte(hostdata);  in in2000_intr()
1163 		DB(DB_INTR, printk("%02x", cmd->SCp.Status))  in in2000_intr()
1189 		cmd->SCp.Message = msg;  in in2000_intr()
1218 			    cmd->device->disconnect = 1;  in in2000_intr()
1228 			if (hostdata->sync_stat[cmd->device->id] == SS_WAITING)  in in2000_intr()
1229 				hostdata->sync_stat[cmd->device->id] = SS_SET;  in in2000_intr()
1249 					if (hostdata->sync_stat[cmd->device->id] != SS_WAITING) {  in in2000_intr()
1267 						hostdata->sync_xfer[cmd->device->id] = calc_sync_xfer(hostdata->default_sx_per / 4, 0);  in in2000_intr()
1269 						hostdata->sync_xfer[cmd->device->id] = id;  in in2000_intr()
1272 					printk("sync_xfer=%02x", hostdata->sync_xfer[cmd->device->id]);  in in2000_intr()
1274 					hostdata->sync_stat[cmd->device->id] = SS_SET;  in in2000_intr()
1332 			    cmd->SCp.Message = COMMAND_COMPLETE;  in in2000_intr()
1334 			DB(DB_INTR, printk(":%d.%d", cmd->SCp.Status, lun))  in in2000_intr()
1336 			hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);  in in2000_intr()
1338 			if (cmd->SCp.Status == ILLEGAL_STATUS_BYTE)  in in2000_intr()
1339 				cmd->SCp.Status = lun;  in in2000_intr()
1340 			if (cmd->cmnd[0] == REQUEST_SENSE && cmd->SCp.Status != GOOD)  in in2000_intr()
1341 				cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);  in in2000_intr()
1343 				cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8);  in in2000_intr()
1344 			cmd->scsi_done(cmd);  in in2000_intr()
1411 		if (cmd == NULL) {  in in2000_intr()
1421 		hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);  in in2000_intr()
1423 		if (cmd->cmnd[0] == REQUEST_SENSE && cmd->SCp.Status != GOOD)  in in2000_intr()
1424 			cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);  in in2000_intr()
1426 			cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8);  in in2000_intr()
1427 		cmd->scsi_done(cmd);  in in2000_intr()
1445 		    if (cmd == NULL) {  in in2000_intr()
1452 			hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);  in in2000_intr()
1454 			DB(DB_INTR, printk(":%d", cmd->SCp.Status))  in in2000_intr()
1455 			    if (cmd->cmnd[0] == REQUEST_SENSE && cmd->SCp.Status != GOOD)  in in2000_intr()
1456 				cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);  in in2000_intr()
1458 				cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8);  in in2000_intr()
1459 			cmd->scsi_done(cmd);  in in2000_intr()
1463 			cmd->host_scribble = (uchar *) hostdata->disconnected_Q;  in in2000_intr()
1464 			hostdata->disconnected_Q = cmd;  in in2000_intr()
1469 			hostdata->disc_done_cnt[cmd->device->id]++;  in in2000_intr()
1495 				cmd = (Scsi_Cmnd *) hostdata->selecting;  in in2000_intr()
1497 				hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);  in in2000_intr()
1498 				cmd->host_scribble = (uchar *) hostdata->input_Q;  in in2000_intr()
1499 				hostdata->input_Q = cmd;  in in2000_intr()
1505 			if (cmd) {  in in2000_intr()
1507 					hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);  in in2000_intr()
1508 					cmd->host_scribble = (uchar *) hostdata->input_Q;  in in2000_intr()
1509 					hostdata->input_Q = cmd;  in in2000_intr()
1536 		cmd = (Scsi_Cmnd *) hostdata->disconnected_Q;  in in2000_intr()
1538 		while (cmd) {  in in2000_intr()
1539 			if (id == cmd->device->id && lun == cmd->device->lun)  in in2000_intr()
1541 			patch = cmd;  in in2000_intr()
1542 			cmd = (Scsi_Cmnd *) cmd->host_scribble;  in in2000_intr()
1547 		if (!cmd) {  in in2000_intr()
1555 			patch->host_scribble = cmd->host_scribble;  in in2000_intr()
1557 			hostdata->disconnected_Q = (Scsi_Cmnd *) cmd->host_scribble;  in in2000_intr()
1558 		hostdata->connected = cmd;  in in2000_intr()
1565 		if (is_dir_out(cmd))  in in2000_intr()
1566 			write_3393(hostdata, WD_DESTINATION_ID, cmd->device->id);  in in2000_intr()
1568 			write_3393(hostdata, WD_DESTINATION_ID, cmd->device->id | DSTID_DPD);  in in2000_intr()
1642 static int in2000_bus_reset(Scsi_Cmnd * cmd)  in in2000_bus_reset()  argument
1649 	instance = cmd->device->host;  in in2000_bus_reset()
1672 	cmd->result = DID_RESET << 16;  in in2000_bus_reset()
1678 static int __in2000_abort(Scsi_Cmnd * cmd)  in __in2000_abort()  argument
1686 	instance = cmd->device->host;  in __in2000_abort()
1690 …- ", READ_AUX_STAT(), read_3393_count(hostdata), cmd->SCp.this_residual, cmd->SCp.buffers_residual…  in __in2000_abort()
1700 		if (tmp == cmd) {  in __in2000_abort()
1702 				prev->host_scribble = cmd->host_scribble;  in __in2000_abort()
1703 			cmd->host_scribble = NULL;  in __in2000_abort()
1704 			cmd->result = DID_ABORT << 16;  in __in2000_abort()
1706 			cmd->scsi_done(cmd);  in __in2000_abort()
1724 	if (hostdata->connected == cmd) {  in __in2000_abort()
1760 		hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);  in __in2000_abort()
1763 		cmd->result = DID_ABORT << 16;  in __in2000_abort()
1764 		cmd->scsi_done(cmd);  in __in2000_abort()
1778 		if (cmd == tmp) {  in __in2000_abort()
1799 static int in2000_abort(Scsi_Cmnd * cmd)  in in2000_abort()  argument
1803 	spin_lock_irq(cmd->device->host->host_lock);  in in2000_abort()
1804 	rc = __in2000_abort(cmd);  in in2000_abort()
1805 	spin_unlock_irq(cmd->device->host->host_lock);  in in2000_abort()
2218 	Scsi_Cmnd *cmd;  in in2000_show_info()  local
2253 			cmd = (Scsi_Cmnd *) hd->connected;  in in2000_show_info()
2254 			seq_printf(m, " %d:%llu(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);  in in2000_show_info()
2259 		cmd = (Scsi_Cmnd *) hd->input_Q;  in in2000_show_info()
2260 		while (cmd) {  in in2000_show_info()
2261 			seq_printf(m, " %d:%llu(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);  in in2000_show_info()
2262 			cmd = (Scsi_Cmnd *) cmd->host_scribble;  in in2000_show_info()
2267 		cmd = (Scsi_Cmnd *) hd->disconnected_Q;  in in2000_show_info()
2268 		while (cmd) {  in in2000_show_info()
2269 			seq_printf(m, " %d:%llu(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);  in in2000_show_info()
2270 			cmd = (Scsi_Cmnd *) cmd->host_scribble;  in in2000_show_info()