520 #define HOSTDATA(shpnt)		((struct aha152x_hostdata *) &shpnt->hostdata)  argument
522 #define HOSTNO			((shpnt)->host_no)
524 #define CURRENT_SC		(HOSTDATA(shpnt)->current_SC)
525 #define DONE_SC			(HOSTDATA(shpnt)->done_SC)
526 #define ISSUE_SC		(HOSTDATA(shpnt)->issue_SC)
527 #define DISCONNECTED_SC		(HOSTDATA(shpnt)->disconnected_SC)
528 #define QLOCK			(HOSTDATA(shpnt)->lock)
529 #define QLOCKER			(HOSTDATA(shpnt)->locker)
530 #define QLOCKERL		(HOSTDATA(shpnt)->lockerl)
532 #define STATE			(HOSTDATA(shpnt)->state)
533 #define PREVSTATE		(HOSTDATA(shpnt)->prevstate)
534 #define LASTSTATE		(HOSTDATA(shpnt)->laststate)
536 #define RECONN_TARGET		(HOSTDATA(shpnt)->target)
538 #define CMD_I			(HOSTDATA(shpnt)->cmd_i)
540 #define MSGO(i)			(HOSTDATA(shpnt)->msgo[i])
541 #define MSGO_I			(HOSTDATA(shpnt)->msgo_i)
542 #define MSGOLEN			(HOSTDATA(shpnt)->msgo_len)
543 #define ADDMSGO(x)		(MSGOLEN<256 ? (void)(MSGO(MSGOLEN++)=x) : aha152x_error(shpnt,"MSGO overflow"))
545 #define MSGI(i)			(HOSTDATA(shpnt)->msgi[i])
546 #define MSGILEN			(HOSTDATA(shpnt)->msgi_len)
547 #define ADDMSGI(x)		(MSGILEN<256 ? (void)(MSGI(MSGILEN++)=x) : aha152x_error(shpnt,"MSGI overflow"))
549 #define DATA_LEN		(HOSTDATA(shpnt)->data_len)
551 #define SYNCRATE		(HOSTDATA(shpnt)->syncrate[CURRENT_SC->device->id])
552 #define SYNCNEG			(HOSTDATA(shpnt)->syncneg[CURRENT_SC->device->id])
554 #define DELAY			(HOSTDATA(shpnt)->delay)
555 #define EXT_TRANS		(HOSTDATA(shpnt)->ext_trans)
556 #define TC1550			(HOSTDATA(shpnt)->tc1550)
557 #define RECONNECT		(HOSTDATA(shpnt)->reconnect)
558 #define PARITY			(HOSTDATA(shpnt)->parity)
559 #define SYNCHRONOUS		(HOSTDATA(shpnt)->synchronous)
561 #define HOSTIOPORT0		(HOSTDATA(shpnt)->io_port0)
562 #define HOSTIOPORT1		(HOSTDATA(shpnt)->io_port1)
571 static void seldi_run(struct Scsi_Host *shpnt);
572 static void seldo_run(struct Scsi_Host *shpnt);
573 static void selto_run(struct Scsi_Host *shpnt);
574 static void busfree_run(struct Scsi_Host *shpnt);
576 static void msgo_init(struct Scsi_Host *shpnt);
577 static void msgo_run(struct Scsi_Host *shpnt);
578 static void msgo_end(struct Scsi_Host *shpnt);
580 static void cmd_init(struct Scsi_Host *shpnt);
581 static void cmd_run(struct Scsi_Host *shpnt);
582 static void cmd_end(struct Scsi_Host *shpnt);
584 static void datai_init(struct Scsi_Host *shpnt);
585 static void datai_run(struct Scsi_Host *shpnt);
586 static void datai_end(struct Scsi_Host *shpnt);
588 static void datao_init(struct Scsi_Host *shpnt);
589 static void datao_run(struct Scsi_Host *shpnt);
590 static void datao_end(struct Scsi_Host *shpnt);
592 static void status_run(struct Scsi_Host *shpnt);
594 static void msgi_run(struct Scsi_Host *shpnt);
595 static void msgi_end(struct Scsi_Host *shpnt);
597 static void parerr_run(struct Scsi_Host *shpnt);
598 static void rsti_run(struct Scsi_Host *shpnt);
600 static void is_complete(struct Scsi_Host *shpnt);
631 static void reset_ports(struct Scsi_Host *shpnt);
632 static void aha152x_error(struct Scsi_Host *shpnt, char *msg);
633 static void done(struct Scsi_Host *shpnt, int error);
637 static void show_queues(struct Scsi_Host *shpnt);
638 static void disp_enintr(struct Scsi_Host *shpnt);
717 	struct Scsi_Host *shpnt = dev_id;  in swintr()  local
719 	HOSTDATA(shpnt)->swint++;  in swintr()
727 	struct Scsi_Host *shpnt;  in aha152x_probe_one()  local
729 	shpnt = scsi_host_alloc(&aha152x_driver_template, sizeof(struct aha152x_hostdata));  in aha152x_probe_one()
730 	if (!shpnt) {  in aha152x_probe_one()
735 	memset(HOSTDATA(shpnt), 0, sizeof *HOSTDATA(shpnt));  in aha152x_probe_one()
736 	INIT_LIST_HEAD(&HOSTDATA(shpnt)->host_list);  in aha152x_probe_one()
739 	list_add_tail(&HOSTDATA(shpnt)->host_list, &aha152x_host_list);  in aha152x_probe_one()
741 	shpnt->io_port   = setup->io_port;  in aha152x_probe_one()
742 	shpnt->n_io_port = IO_RANGE;  in aha152x_probe_one()
743 	shpnt->irq       = setup->irq;  in aha152x_probe_one()
761 	shpnt->this_id = setup->scsiid;  in aha152x_probe_one()
764 		shpnt->can_queue = AHA152X_MAXQUEUE;  in aha152x_probe_one()
773 	reset_ports(shpnt);  in aha152x_probe_one()
786 	       shpnt->host_no, setup->tc1550 ? " (tc1550 mode)" : "",  in aha152x_probe_one()
788 	       shpnt->io_port, HOSTIOPORT0, HOSTIOPORT1,  in aha152x_probe_one()
789 	       shpnt->irq,  in aha152x_probe_one()
790 	       shpnt->this_id,  in aha152x_probe_one()
801 	if (request_irq(shpnt->irq, swintr, IRQF_SHARED, "aha152x", shpnt)) {  in aha152x_probe_one()
802 		printk(KERN_ERR "aha152x%d: irq %d busy.\n", shpnt->host_no, shpnt->irq);  in aha152x_probe_one()
806 	HOSTDATA(shpnt)->swint = 0;  in aha152x_probe_one()
808 	printk(KERN_INFO "aha152x%d: trying software interrupt, ", shpnt->host_no);  in aha152x_probe_one()
813 	free_irq(shpnt->irq, shpnt);  in aha152x_probe_one()
815 	if (!HOSTDATA(shpnt)->swint) {  in aha152x_probe_one()
825 				"Please verify.\n", shpnt->host_no, shpnt->irq);  in aha152x_probe_one()
835 	if (request_irq(shpnt->irq, intr, IRQF_SHARED, "aha152x", shpnt)) {  in aha152x_probe_one()
836 		printk(KERN_ERR "aha152x%d: failed to reassign irq %d.\n", shpnt->host_no, shpnt->irq);  in aha152x_probe_one()
840 	if( scsi_add_host(shpnt, NULL) ) {  in aha152x_probe_one()
841 		free_irq(shpnt->irq, shpnt);  in aha152x_probe_one()
842 		printk(KERN_ERR "aha152x%d: failed to add host.\n", shpnt->host_no);  in aha152x_probe_one()
846 	scsi_scan_host(shpnt);  in aha152x_probe_one()
848 	return shpnt;  in aha152x_probe_one()
851 	list_del(&HOSTDATA(shpnt)->host_list);  in aha152x_probe_one()
852 	scsi_host_put(shpnt);  in aha152x_probe_one()
857 void aha152x_release(struct Scsi_Host *shpnt)  in aha152x_release()  argument
859 	if (!shpnt)  in aha152x_release()
862 	scsi_remove_host(shpnt);  in aha152x_release()
863 	if (shpnt->irq)  in aha152x_release()
864 		free_irq(shpnt->irq, shpnt);  in aha152x_release()
867 	if (shpnt->io_port)  in aha152x_release()
868 		release_region(shpnt->io_port, IO_RANGE);  in aha152x_release()
872 	if (HOSTDATA(shpnt)->pnpdev)  in aha152x_release()
873 		pnp_device_detach(HOSTDATA(shpnt)->pnpdev);  in aha152x_release()
876 	list_del(&HOSTDATA(shpnt)->host_list);  in aha152x_release()
877 	scsi_host_put(shpnt);  in aha152x_release()
886 static int setup_expected_interrupts(struct Scsi_Host *shpnt)  in setup_expected_interrupts()  argument
907 	if(!HOSTDATA(shpnt)->in_intr)  in setup_expected_interrupts()
921 	struct Scsi_Host *shpnt = SCpnt->device->host;  in aha152x_internal_queue()  local
971 	HOSTDATA(shpnt)->total_commands++;  in aha152x_internal_queue()
975 	HOSTDATA(shpnt)->commands++;  in aha152x_internal_queue()
976 	if (HOSTDATA(shpnt)->commands==1)  in aha152x_internal_queue()
981 	if(!HOSTDATA(shpnt)->in_intr)  in aha152x_internal_queue()
982 		setup_expected_interrupts(shpnt);  in aha152x_internal_queue()
1020 	struct Scsi_Host *shpnt = SCpnt->device->host;  in aha152x_abort()  local
1029 		HOSTDATA(shpnt)->commands--;  in aha152x_abort()
1030 		if (!HOSTDATA(shpnt)->commands)  in aha152x_abort()
1061 	struct Scsi_Host *shpnt = SCpnt->device->host;  in aha152x_device_reset()  local
1095 		HOSTDATA(shpnt)->commands--;  in aha152x_device_reset()
1096 		if (!HOSTDATA(shpnt)->commands)  in aha152x_device_reset()
1117 static void free_hard_reset_SCs(struct Scsi_Host *shpnt,  in free_hard_reset_SCs()  argument
1136 			HOSTDATA(shpnt)->commands--;  in free_hard_reset_SCs()
1152 static int aha152x_bus_reset_host(struct Scsi_Host *shpnt)  in aha152x_bus_reset_host()  argument
1158 	free_hard_reset_SCs(shpnt, &ISSUE_SC);  in aha152x_bus_reset_host()
1159 	free_hard_reset_SCs(shpnt, &DISCONNECTED_SC);  in aha152x_bus_reset_host()
1166 	setup_expected_interrupts(shpnt);  in aha152x_bus_reset_host()
1167 	if(HOSTDATA(shpnt)->commands==0)  in aha152x_bus_reset_host()
1188 static void reset_ports(struct Scsi_Host *shpnt)  in reset_ports()  argument
1217 	setup_expected_interrupts(shpnt);  in reset_ports()
1225 int aha152x_host_reset_host(struct Scsi_Host *shpnt)  in aha152x_host_reset_host()  argument
1227 	aha152x_bus_reset_host(shpnt);  in aha152x_host_reset_host()
1228 	reset_ports(shpnt);  in aha152x_host_reset_host()
1240 	struct Scsi_Host *shpnt = sdev->host;  in aha152x_biosparam()  local
1288 static void done(struct Scsi_Host *shpnt, int error)  in done()  argument
1326 	struct Scsi_Host *shpnt = dev_id;  in intr()  local
1356 	if( HOSTDATA(shpnt)->service==0 ) {  in intr()
1357 		HOSTDATA(shpnt)->service=1;  in intr()
1373 static void busfree_run(struct Scsi_Host *shpnt)  in busfree_run()  argument
1393 …done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_OK <<…  in busfree_run()
1396 …done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_ABORT…  in busfree_run()
1399 …done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_RESET…  in busfree_run()
1404 			HOSTDATA(shpnt)->disconnections++;  in busfree_run()
1411 			done(shpnt, DID_ERROR << 16);  in busfree_run()
1415 		HOSTDATA(shpnt)->busfree_without_old_command++;  in busfree_run()
1427 			struct scsi_cmnd *cmd = HOSTDATA(shpnt)->done_SC;  in busfree_run()
1434 			HOSTDATA(shpnt)->commands--;  in busfree_run()
1435 			if (!HOSTDATA(shpnt)->commands)  in busfree_run()
1439 			HOSTDATA(shpnt)->busfree_with_check_condition++;  in busfree_run()
1463 			HOSTDATA(shpnt)->commands--;  in busfree_run()
1464 			if (!HOSTDATA(shpnt)->commands)  in busfree_run()
1480 		HOSTDATA(shpnt)->busfree_without_done_command++;  in busfree_run()
1498 		SETPORT(SCSIID, (shpnt->this_id << OID_) | CURRENT_SC->device->id);  in busfree_run()
1503 		HOSTDATA(shpnt)->busfree_without_new_command++;  in busfree_run()
1510 		HOSTDATA(shpnt)->busfree_without_any_action++;  in busfree_run()
1519 static void seldo_run(struct Scsi_Host *shpnt)  in seldo_run()  argument
1532 		done(shpnt, DID_NO_CONNECT << 16);  in seldo_run()
1558 static void selto_run(struct Scsi_Host *shpnt)  in selto_run()  argument
1569 		done(shpnt, DID_ABORT << 16);  in selto_run()
1571 		done(shpnt, DID_BUS_BUSY << 16);  in selto_run()
1574 		done(shpnt, DID_NO_CONNECT << 16);  in selto_run()
1584 static void seldi_run(struct Scsi_Host *shpnt)  in seldi_run()  argument
1612 	selid = GETPORT(SELID) & ~(1 << shpnt->this_id);  in seldi_run()
1615 		shost_printk(KERN_INFO, shpnt,  in seldi_run()
1624 		shost_printk(KERN_INFO, shpnt,  in seldi_run()
1629 	SETPORT(SCSIID, (shpnt->this_id << OID_) | target);  in seldi_run()
1632 	SETRATE(HOSTDATA(shpnt)->syncrate[target]);  in seldi_run()
1650 static void msgi_run(struct Scsi_Host *shpnt)  in msgi_run()  argument
1665 				shost_printk(KERN_ERR, shpnt,  in msgi_run()
1674 				shost_printk(KERN_ERR, shpnt,  in msgi_run()
1682 				show_queues(shpnt);  in msgi_run()
1683 				shost_printk(KERN_ERR, shpnt,  in msgi_run()
1748 					if (!HOSTDATA(shpnt)->synchronous)  in msgi_run()
1803 						HOSTDATA(shpnt)->syncrate[i]=0;  in msgi_run()
1804 						HOSTDATA(shpnt)->syncneg[i]=0;  in msgi_run()
1824 static void msgi_end(struct Scsi_Host *shpnt)  in msgi_end()  argument
1839 static void msgo_init(struct Scsi_Host *shpnt)  in msgo_init()  argument
1857 static void msgo_run(struct Scsi_Host *shpnt)  in msgo_run()  argument
1882 static void msgo_end(struct Scsi_Host *shpnt)  in msgo_end()  argument
1903 static void cmd_init(struct Scsi_Host *shpnt)  in cmd_init()  argument
1908 		done(shpnt, DID_ERROR << 16);  in cmd_init()
1919 static void cmd_run(struct Scsi_Host *shpnt)  in cmd_run()  argument
1929 static void cmd_end(struct Scsi_Host *shpnt)  in cmd_end()  argument
1943 static void status_run(struct Scsi_Host *shpnt)  in status_run()  argument
1956 static void datai_init(struct Scsi_Host *shpnt)  in datai_init()  argument
1970 static void datai_run(struct Scsi_Host *shpnt)  in datai_run()  argument
2079 static void datai_end(struct Scsi_Host *shpnt)  in datai_end()  argument
2091 static void datao_init(struct Scsi_Host *shpnt)  in datao_init()  argument
2105 static void datao_run(struct Scsi_Host *shpnt)  in datao_run()  argument
2158 static void datao_end(struct Scsi_Host *shpnt)  in datao_end()  argument
2189 static int update_state(struct Scsi_Host *shpnt)  in update_state()  argument
2243 static void parerr_run(struct Scsi_Host *shpnt)  in parerr_run()  argument
2246 	done(shpnt, DID_PARITY << 16);  in parerr_run()
2253 static void rsti_run(struct Scsi_Host *shpnt)  in rsti_run()  argument
2257 	shost_printk(KERN_NOTICE, shpnt, "scsi reset in\n");  in rsti_run()
2277 		done(shpnt, DID_RESET << 16 );  in rsti_run()
2285 static void is_complete(struct Scsi_Host *shpnt)  in is_complete()  argument
2291 	if(!shpnt)  in is_complete()
2296 	if( HOSTDATA(shpnt)->service==0 )  {  in is_complete()
2301 	HOSTDATA(shpnt)->service = 0;  in is_complete()
2303 	if(HOSTDATA(shpnt)->in_intr) {  in is_complete()
2306 		aha152x_error(shpnt, "bottom-half already running!?");  in is_complete()
2308 	HOSTDATA(shpnt)->in_intr++;  in is_complete()
2318 		dataphase=update_state(shpnt);  in is_complete()
2325 			states[PREVSTATE].end(shpnt);  in is_complete()
2366 			states[STATE].init(shpnt);  in is_complete()
2373 			states[STATE].run(shpnt);  in is_complete()
2385 		pending=setup_expected_interrupts(shpnt);  in is_complete()
2387 		HOSTDATA(shpnt)->count[STATE]++;  in is_complete()
2389 			HOSTDATA(shpnt)->count_trans[STATE]++;  in is_complete()
2390 		HOSTDATA(shpnt)->time[STATE] += jiffies-start;  in is_complete()
2399 	HOSTDATA(shpnt)->in_intr--;  in is_complete()
2408 static void aha152x_error(struct Scsi_Host *shpnt, char *msg)  in aha152x_error()  argument
2410 	shost_printk(KERN_EMERG, shpnt, "%s\n", msg);  in aha152x_error()
2411 	show_queues(shpnt);  in aha152x_error()
2418 static void disp_enintr(struct Scsi_Host *shpnt)  in disp_enintr()  argument
2425 	shost_printk(KERN_DEBUG, shpnt,  in disp_enintr()
2468 static void show_queues(struct Scsi_Host *shpnt)  in show_queues()  argument
2489 	disp_enintr(shpnt);  in show_queues()
2525 static void get_ports(struct seq_file *m, struct Scsi_Host *shpnt)  in get_ports()  argument
2784 static int aha152x_set_info(struct Scsi_Host *shpnt, char *buffer, int length)  in aha152x_set_info()  argument
2786 	if(!shpnt || !buffer || length<8 || strncmp("aha152x ", buffer, 8)!=0)  in aha152x_set_info()
2793 		HOSTDATA(shpnt)->total_commands=0;  in aha152x_set_info()
2794 		HOSTDATA(shpnt)->disconnections=0;  in aha152x_set_info()
2795 		HOSTDATA(shpnt)->busfree_without_any_action=0;  in aha152x_set_info()
2796 		HOSTDATA(shpnt)->busfree_without_old_command=0;  in aha152x_set_info()
2797 		HOSTDATA(shpnt)->busfree_without_new_command=0;  in aha152x_set_info()
2798 		HOSTDATA(shpnt)->busfree_without_done_command=0;  in aha152x_set_info()
2799 		HOSTDATA(shpnt)->busfree_with_check_condition=0;  in aha152x_set_info()
2801 			HOSTDATA(shpnt)->count[i]=0;  in aha152x_set_info()
2802 			HOSTDATA(shpnt)->count_trans[i]=0;  in aha152x_set_info()
2803 			HOSTDATA(shpnt)->time[i]=0;  in aha152x_set_info()
2806 		shost_printk(KERN_INFO, shpnt, "aha152x: stats reset.\n");  in aha152x_set_info()
2818 static int aha152x_show_info(struct seq_file *m, struct Scsi_Host *shpnt)  in aha152x_show_info()  argument
2827 		shpnt->io_port, shpnt->io_port + shpnt->n_io_port - 1);  in aha152x_show_info()
2828 	seq_printf(m, "interrupt 0x%02x\n", shpnt->irq);  in aha152x_show_info()
2835 	seq_printf(m, "%d commands currently queued\n", HOSTDATA(shpnt)->commands);  in aha152x_show_info()
2840 			if (HOSTDATA(shpnt)->syncrate[i] & 0x7f)  in aha152x_show_info()
2843 					(((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2),  in aha152x_show_info()
2844 					(((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2) * 50,  in aha152x_show_info()
2845 				    HOSTDATA(shpnt)->syncrate[i] & 0x0f);  in aha152x_show_info()
2870 	get_ports(m, shpnt);  in aha152x_show_info()
2885 		HOSTDATA(shpnt)->total_commands,  in aha152x_show_info()
2886 		HOSTDATA(shpnt)->disconnections,  in aha152x_show_info()
2887 		HOSTDATA(shpnt)->busfree_with_check_condition,  in aha152x_show_info()
2888 		HOSTDATA(shpnt)->busfree_without_old_command,  in aha152x_show_info()
2889 		HOSTDATA(shpnt)->busfree_without_new_command,  in aha152x_show_info()
2890 		HOSTDATA(shpnt)->busfree_without_done_command,  in aha152x_show_info()
2891 		HOSTDATA(shpnt)->busfree_without_any_action);  in aha152x_show_info()
2895 			HOSTDATA(shpnt)->count_trans[i],  in aha152x_show_info()
2896 			HOSTDATA(shpnt)->count[i],  in aha152x_show_info()
2897 			HOSTDATA(shpnt)->time[i]);  in aha152x_show_info()
3324 			struct Scsi_Host *shpnt = aha152x_probe_one(&setup[i]);  in aha152x_init()  local
3326 			if( !shpnt ) {  in aha152x_init()
3330 				HOSTDATA(shpnt)->pnpdev=pnpdev[i];  in aha152x_init()