314 static int NCR5380_poll_politely(struct Scsi_Host *instance, int reg, int bit, int val, int t)  in NCR5380_poll_politely()  argument
321 	NCR5380_setup(instance);  in NCR5380_poll_politely()
407 static void NCR5380_print(struct Scsi_Host *instance)  in NCR5380_print()  argument
411 	NCR5380_setup(instance);  in NCR5380_print()
448 static void NCR5380_print_phase(struct Scsi_Host *instance)  in NCR5380_print_phase()  argument
453 	NCR5380_setup(instance);  in NCR5380_print_phase()
457 		printk("scsi%d : REQ not asserted, phase unknown.\n", instance->host_no);  in NCR5380_print_phase()
460 		printk("scsi%d : phase %s\n", instance->host_no, phases[i].name);  in NCR5380_print_phase()
566 static int __init __maybe_unused NCR5380_probe_irq(struct Scsi_Host *instance,  in NCR5380_probe_irq()  argument
570 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_probe_irq()
573 	NCR5380_setup(instance);  in NCR5380_probe_irq()
619 static const char *NCR5380_info(struct Scsi_Host *instance)  in NCR5380_info()  argument
621 	struct NCR5380_hostdata *hostdata = shost_priv(instance);  in NCR5380_info()
626 static void prepare_info(struct Scsi_Host *instance)  in prepare_info()  argument
628 	struct NCR5380_hostdata *hostdata = shost_priv(instance);  in prepare_info()
640 	         instance->hostt->name, instance->io_port, instance->n_io_port,  in prepare_info()
641 	         instance->base, instance->irq,  in prepare_info()
642 	         instance->can_queue, instance->cmd_per_lun,  in prepare_info()
643 	         instance->sg_tablesize, instance->this_id,  in prepare_info()
687 static void NCR5380_print_status(struct Scsi_Host *instance)  in NCR5380_print_status()  argument
689 	NCR5380_dprint(NDEBUG_ANY, instance);  in NCR5380_print_status()
690 	NCR5380_dprint_phase(NDEBUG_ANY, instance);  in NCR5380_print_status()
708 static int __maybe_unused NCR5380_write_info(struct Scsi_Host *instance,  in NCR5380_write_info()  argument
711 	struct NCR5380_hostdata *hostdata = shost_priv(instance);  in NCR5380_write_info()
727 	struct Scsi_Host *instance)  in NCR5380_show_info()  argument
732 	hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_show_info()
738 	spin_lock_irq(instance->host_lock);  in NCR5380_show_info()
740 		seq_printf(m, "scsi%d: no currently connected command\n", instance->host_no);  in NCR5380_show_info()
743 	seq_printf(m, "scsi%d: issue_queue\n", instance->host_no);  in NCR5380_show_info()
747 	seq_printf(m, "scsi%d: disconnected_queue\n", instance->host_no);  in NCR5380_show_info()
750 	spin_unlock_irq(instance->host_lock);  in NCR5380_show_info()
792 static int NCR5380_init(struct Scsi_Host *instance, int flags)  in NCR5380_init()  argument
797 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_init()
808 		instance->NCR5380_instance_name += NCR53C400_address_adjust;  in NCR5380_init()
811 	NCR5380_setup(instance);  in NCR5380_init()
814 	hostdata->id_mask = 1 << instance->this_id;  in NCR5380_init()
836 	hostdata->host = instance;  in NCR5380_init()
839 	prepare_info(instance);  in NCR5380_init()
869 			printk(KERN_INFO "scsi%d: SCSI bus busy, waiting up to five seconds\n", instance->host_no);  in NCR5380_init()
871 			NCR5380_poll_politely(instance, STATUS_REG, SR_BSY, 0, 5*HZ);  in NCR5380_init()
874 			printk(KERN_WARNING "scsi%d: bus busy, attempting abort\n", instance->host_no);  in NCR5380_init()
875 			do_abort(instance);  in NCR5380_init()
878 			printk(KERN_WARNING "scsi%d: bus busy, attempting reset\n", instance->host_no);  in NCR5380_init()
879 			do_reset(instance);  in NCR5380_init()
882 			printk(KERN_ERR "scsi%d: bus locked solid or invalid override\n", instance->host_no);  in NCR5380_init()
894 static void NCR5380_exit(struct Scsi_Host *instance)  in NCR5380_exit()  argument
896 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_exit()
915 	struct Scsi_Host *instance = cmd->device->host;  in NCR5380_queue_command_lck()  local
916 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_queue_command_lck()
923 		printk("scsi%d : WRITE attempted with NO_WRITE debugging flag set\n", instance->host_no);  in NCR5380_queue_command_lck()
955 …dprintk(NDEBUG_QUEUES, "scsi%d : command added to %s of queue\n", instance->host_no, (cmd->cmnd[0]…  in NCR5380_queue_command_lck()
981 	struct Scsi_Host *instance = hostdata->host;  in DEF_SCSI_QCMD()  local
985 	spin_lock_irq(instance->host_lock);  in DEF_SCSI_QCMD()
990 			dprintk(NDEBUG_MAIN, "scsi%d : not connected\n", instance->host_no);  in DEF_SCSI_QCMD()
1017 … : main() : command for target %d lun %llu removed from issue_queue\n", instance->host_no, tmp->de…  in DEF_SCSI_QCMD()
1039 					if (!NCR5380_select(instance, tmp)) {  in DEF_SCSI_QCMD()
1046 …N|NDEBUG_QUEUES, "scsi%d : main(): select() failed, returned to issue_queue\n", instance->host_no);  in DEF_SCSI_QCMD()
1056 			if (!NCR5380_select(instance, tmp)) {  in DEF_SCSI_QCMD()
1063 …printk(KERN_DEBUG "scsi%d: device %d did not respond in time\n", instance->host_no, tmp->device->i…  in DEF_SCSI_QCMD()
1076 			dprintk(NDEBUG_MAIN, "scsi%d : main() : performing information transfer\n", instance->host_no);  in DEF_SCSI_QCMD()
1077 			NCR5380_information_transfer(instance);  in DEF_SCSI_QCMD()
1078 			dprintk(NDEBUG_MAIN, "scsi%d : main() : done set false\n", instance->host_no);  in DEF_SCSI_QCMD()
1084 	spin_unlock_irq(instance->host_lock);  in DEF_SCSI_QCMD()
1104 	struct Scsi_Host *instance = dev_id;  in NCR5380_intr()  local
1105 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_intr()
1111 		instance->irq);  in NCR5380_intr()
1115 		spin_lock_irqsave(instance->host_lock, flags);  in NCR5380_intr()
1117 		NCR5380_setup(instance);  in NCR5380_intr()
1121 			NCR5380_dprint(NDEBUG_INTR, instance);  in NCR5380_intr()
1124 				dprintk(NDEBUG_INTR, "scsi%d : SEL interrupt\n", instance->host_no);  in NCR5380_intr()
1125 				NCR5380_reselect(instance);  in NCR5380_intr()
1128 				dprintk(NDEBUG_INTR, "scsi%d : PARITY interrupt\n", instance->host_no);  in NCR5380_intr()
1131 				dprintk(NDEBUG_INTR, "scsi%d : RESET interrupt\n", instance->host_no);  in NCR5380_intr()
1145 						panic("scsi%d : received end of DMA interrupt with no connected cmd\n", instance->hostno);  in NCR5380_intr()
1147 					transferred = (hostdata->dmalen - NCR5380_dma_residual(instance));  in NCR5380_intr()
1166 		spin_unlock_irqrestore(instance->host_lock, flags);  in NCR5380_intr()
1206 static int NCR5380_select(struct Scsi_Host *instance, struct scsi_cmnd *cmd)  in NCR5380_select()  argument
1209 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_select()
1216 	NCR5380_setup(instance);  in NCR5380_select()
1223 	NCR5380_dprint(NDEBUG_ARBITRATION, instance);  in NCR5380_select()
1224 …DEBUG_ARBITRATION, "scsi%d : starting arbitration, id = %d\n", instance->host_no, instance->this_i…  in NCR5380_select()
1243 	spin_unlock_irq(instance->host_lock);  in NCR5380_select()
1244 …err = NCR5380_poll_politely(instance, INITIATOR_COMMAND_REG, ICR_ARBITRATION_PROGRESS, ICR_ARBITRA…  in NCR5380_select()
1245 	spin_lock_irq(instance->host_lock);  in NCR5380_select()
1253 	dprintk(NDEBUG_ARBITRATION, "scsi%d : arbitration complete\n", instance->host_no);  in NCR5380_select()
1267 …dprintk(NDEBUG_ARBITRATION, "scsi%d : lost arbitration, deasserting MR_ARBITRATE\n", instance->hos…  in NCR5380_select()
1280 …dprintk(NDEBUG_ARBITRATION, "scsi%d : lost arbitration, deasserting ICR_ASSERT_SEL\n", instance->h…  in NCR5380_select()
1290 	dprintk(NDEBUG_ARBITRATION, "scsi%d : won arbitration\n", instance->host_no);  in NCR5380_select()
1342 	dprintk(NDEBUG_SELECTION, "scsi%d : selecting target %d\n", instance->host_no, scmd_id(cmd));  in NCR5380_select()
1378 		NCR5380_reselect(instance);  in NCR5380_select()
1379 		printk("scsi%d : reselection after won arbitration?\n", instance->host_no);  in NCR5380_select()
1396 			printk(KERN_DEBUG "scsi%d : weirdness\n", instance->host_no);  in NCR5380_select()
1399 			NCR5380_dprint(NDEBUG_SELECTION, instance);  in NCR5380_select()
1406 		dprintk(NDEBUG_SELECTION, "scsi%d : target did not respond within 250ms\n", instance->host_no);  in NCR5380_select()
1429 	spin_unlock_irq(instance->host_lock);  in NCR5380_select()
1430 	err = NCR5380_poll_politely(instance, STATUS_REG, SR_REQ, SR_REQ, HZ);  in NCR5380_select()
1431 	spin_lock_irq(instance->host_lock);  in NCR5380_select()
1434 		printk(KERN_ERR "scsi%d: timeout at NCR5380.c:%d\n", instance->host_no, __LINE__);  in NCR5380_select()
1439 …dprintk(NDEBUG_SELECTION, "scsi%d : target %d selected, going into MESSAGE OUT phase.\n", instance…  in NCR5380_select()
1440 	tmp[0] = IDENTIFY(((instance->irq == NO_IRQ) ? 0 : 1), cmd->device->lun);  in NCR5380_select()
1448 	NCR5380_transfer_pio(instance, &phase, &len, &data);  in NCR5380_select()
1449 	dprintk(NDEBUG_SELECTION, "scsi%d : nexus established.\n", instance->host_no);  in NCR5380_select()
1489 static int NCR5380_transfer_pio(struct Scsi_Host *instance, unsigned char *phase, int *count, unsig…  in NCR5380_transfer_pio()  argument
1498 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_transfer_pio()
1499 	NCR5380_setup(instance);  in NCR5380_transfer_pio()
1502 		dprintk(NDEBUG_PIO, "scsi%d : pio write %d bytes\n", instance->host_no, c);  in NCR5380_transfer_pio()
1504 		dprintk(NDEBUG_PIO, "scsi%d : pio read %d bytes\n", instance->host_no, c);  in NCR5380_transfer_pio()
1539 		dprintk(NDEBUG_HANDSHAKE, "scsi%d : REQ detected\n", instance->host_no);  in NCR5380_transfer_pio()
1543 			dprintk(NDEBUG_HANDSHAKE, "scsi%d : phase mismatch\n", instance->host_no);  in NCR5380_transfer_pio()
1544 			NCR5380_dprint_phase(NDEBUG_HANDSHAKE, instance);  in NCR5380_transfer_pio()
1565 				NCR5380_dprint(NDEBUG_PIO, instance);  in NCR5380_transfer_pio()
1569 				NCR5380_dprint(NDEBUG_PIO, instance);  in NCR5380_transfer_pio()
1573 			NCR5380_dprint(NDEBUG_PIO, instance);  in NCR5380_transfer_pio()
1578 		NCR5380_poll_politely(instance, STATUS_REG, SR_REQ, 0, 5*HZ);  in NCR5380_transfer_pio()
1579 		dprintk(NDEBUG_HANDSHAKE, "scsi%d : req false, handshake complete\n", instance->host_no);  in NCR5380_transfer_pio()
1600 	dprintk(NDEBUG_PIO, "scsi%d : residual %d\n", instance->host_no, c);  in NCR5380_transfer_pio()
1721 static int NCR5380_transfer_dma(struct Scsi_Host *instance, unsigned char *phase, int *count, unsig…  in NCR5380_transfer_dma()  argument
1733 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;  in NCR5380_transfer_dma()
1735 	NCR5380_setup(instance);  in NCR5380_transfer_dma()
1747 …si%d : initializing DMA channel %d for %s, %d bytes %s %0x\n", instance->host_no, instance->dma_ch…  in NCR5380_transfer_dma()
1748 …ta->dma_len = (p & SR_IO) ? NCR5380_dma_read_setup(instance, d, c) : NCR5380_dma_write_setup(insta…  in NCR5380_transfer_dma()
1765 	spin_unlock_irq(instance->host_lock);  in NCR5380_transfer_dma()
1776 	dprintk(NDEBUG_DMA, "scsi%d : mode reg = 0x%X\n", instance->host_no, NCR5380_read(MODE_REG));  in NCR5380_transfer_dma()
1853 …dprintk(NDEBUG_DMA, "scsi%d : polled DMA transfer complete, basr 0x%X, sr 0x%X\n", instance->host_…  in NCR5380_transfer_dma()
1858 	residue = NCR5380_dma_residual(instance);  in NCR5380_transfer_dma()
1877 		NCR5380_transfer_pio(instance, phase, &cnt, data);  in NCR5380_transfer_dma()
1890 		foo = NCR5380_pread(instance, d, c);  in NCR5380_transfer_dma()
1896 		if (!(foo = NCR5380_pread(instance, d, c - diff))) {  in NCR5380_transfer_dma()
1929 		foo = NCR5380_pwrite(instance, d, c);  in NCR5380_transfer_dma()
1933 		if (!(foo = NCR5380_pwrite(instance, d, c))) {  in NCR5380_transfer_dma()
1943 					dprintk(NDEBUG_LAST_BYTE_SENT, "scsi%d : timed out on last byte\n", instance->host_no);  in NCR5380_transfer_dma()
1949 						dprintk(NDEBUG_LAST_BYTE_SENT, "scsi%d : last byte sent works\n", instance->host_no);  in NCR5380_transfer_dma()
1976 	spin_lock_irq(instance->host_lock);  in NCR5380_transfer_dma()
2002 static void NCR5380_information_transfer(struct Scsi_Host *instance) {  argument
2004 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *)instance->hostdata;
2017 	NCR5380_setup(instance);
2026 				NCR5380_dprint_phase(NDEBUG_INFORMATION, instance);
2041 				printk("scsi%d : NDEBUG_NO_DATAOUT set, attempted DATAOUT aborted\n", instance->host_no);
2043 				do_abort(instance);
2058 …dprintk(NDEBUG_INFORMATION, "scsi%d : %d bytes and %d buffers left\n", instance->host_no, cmd->SCp…
2079 …stdata->flags & FLAG_NO_PSEUDO_DMA) && (transfersize = NCR5380_dma_xfer_len(instance, cmd)) != 0) {
2095 					if (NCR5380_transfer_dma(instance, &phase, &len, (unsigned char **) &cmd->SCp.ptr)) {
2105 						do_abort(instance);
2113 					NCR5380_transfer_pio(instance, &phase, (int *) &cmd->SCp.this_residual, (unsigned char **)
2119 				NCR5380_transfer_pio(instance, &phase, &len, &data);
2138 …dprintk(NDEBUG_LINKED, "scsi%d : target %d lun %llu linked command complete.\n", instance->host_no…
2145 …printk("scsi%d : target %d lun %llu linked command complete, no next_link\n" instance->host_no, cm…
2147 						do_abort(instance);
2154 …si%d : target %d lun %llu linked request done, calling scsi_done().\n", instance->host_no, cmd->de…
2165 …dprintk(NDEBUG_QUEUES, "scsi%d : command for target %d, lun %llu completed\n", instance->host_no, …
2198 						dprintk(NDEBUG_AUTOSENSE, "scsi%d : performing request sense\n", instance->host_no);
2204 …dprintk(NDEBUG_QUEUES, "scsi%d : REQUEST SENSE added to head of issue queue\n", instance->host_no);
2241 … %d lun %llu was moved from connected to" "  the disconnected_queue\n", instance->host_no, cmd->de…
2287 					dprintk(NDEBUG_EXTENDED, "scsi%d : receiving extended message\n", instance->host_no);
2292 					NCR5380_transfer_pio(instance, &phase, &len, &data);
2294 …dprintk(NDEBUG_EXTENDED, "scsi%d : length=%d, code=0x%02x\n", instance->host_no, (int) extended_ms…
2303 						NCR5380_transfer_pio(instance, &phase, &len, &data);
2304 						dprintk(NDEBUG_EXTENDED, "scsi%d : message received, residual %d\n", instance->host_no, len);
2314 						printk("scsi%d: error receiving extended message\n", instance->host_no);
2317 …printk("scsi%d: extended message code %02x length %d is too long\n", instance->host_no, extended_m…
2328 						printk("scsi%d: rejecting message ", instance->host_no);
2347 				NCR5380_transfer_pio(instance, &phase, &len, &data);
2366 				NCR5380_transfer_pio(instance, &phase, &len, &data);
2369 …dprintk(NDEBUG_USLEEP, "scsi%d : issued command, sleeping until %lu\n", instance->host_no, hostdat…
2376 				NCR5380_transfer_pio(instance, &phase, &len, &data);
2380 				printk("scsi%d : unknown phase\n", instance->host_no);
2381 				NCR5380_dprint(NDEBUG_ANY, instance);
2389 …dprintk(NDEBUG_USLEEP, "scsi%d : poll timed out, sleeping until %lu\n", instance->host_no, hostdat…
2408 static void NCR5380_reselect(struct Scsi_Host *instance) {  argument
2411 	 instance->hostdata;
2419 	NCR5380_setup(instance);
2430 	dprintk(NDEBUG_SELECTION, "scsi%d : reselect\n", instance->host_no);
2444 	if(NCR5380_poll_politely(instance, STATUS_REG, SR_SEL, 0, 2*HZ)<0)
2454 	if(NCR5380_poll_politely(instance, STATUS_REG, SR_REQ, SR_REQ, 2*HZ))
2460 	NCR5380_transfer_pio(instance, &phase, &len, &data);
2463 		printk(KERN_ERR "scsi%d : expecting IDENTIFY message, got ", instance->host_no);
2497 …i%d : warning : target bitmask %02x lun %d not in disconnect_queue.\n", instance->host_no, target_…
2507 		do_abort(instance);
2510 …ION, "scsi%d : nexus established, target = %d, lun = %llu, tag = %d\n", instance->host_no, tmp->de…
2527 static void NCR5380_dma_complete(NCR5380_instance * instance) {  argument
2529 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
2531 	NCR5380_setup(instance);
2544 	NCR5380_poll_politely(instance, BUS_AND_STATUS_REG, BASR_ACK, 0, 5*HZ);
2556 		transferred = instance->dmalen - NCR5380_dma_residual();
2585 	struct Scsi_Host *instance = cmd->device->host;  local
2586 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
2591 	NCR5380_print_status(instance);
2593 	NCR5380_setup(instance);
2595 	dprintk(NDEBUG_ABORT, "scsi%d : abort called\n", instance->host_no);
2606 		dprintk(NDEBUG_ABORT, "scsi%d : aborting connected command\n", instance->host_no);
2634 	dprintk(NDEBUG_ABORT, "scsi%d : abort going into loop.\n", instance->host_no);
2641 			dprintk(NDEBUG_ABORT, "scsi%d : abort removed command from issue queue.\n", instance->host_no);
2648 			printk(KERN_ERR "scsi%d : LOOP\n", instance->host_no);
2663 		dprintk(NDEBUG_ABORT, "scsi%d : abort failed, command connected.\n", instance->host_no);
2693 			dprintk(NDEBUG_ABORT, "scsi%d : aborting disconnected command.\n", instance->host_no);
2695 			if (NCR5380_select(instance, cmd))
2697 			dprintk(NDEBUG_ABORT, "scsi%d : nexus reestablished.\n", instance->host_no);
2699 			do_abort(instance);
2721 			"         before abortion\n", instance->host_no);
2738 	struct Scsi_Host *instance = cmd->device->host;  local
2741 	NCR5380_setup(instance);
2742 	NCR5380_print_status(instance);
2744 	spin_lock_irq(instance->host_lock);
2745 	do_reset(instance);
2746 	spin_unlock_irq(instance->host_lock);