509 #define HOSTDATA(shpnt)		((struct aha152x_hostdata *) &shpnt->hostdata)  argument
511 #define HOSTNO			((shpnt)->host_no)
513 #define CURRENT_SC		(HOSTDATA(shpnt)->current_SC)
514 #define DONE_SC			(HOSTDATA(shpnt)->done_SC)
515 #define ISSUE_SC		(HOSTDATA(shpnt)->issue_SC)
516 #define DISCONNECTED_SC		(HOSTDATA(shpnt)->disconnected_SC)
517 #define QLOCK			(HOSTDATA(shpnt)->lock)
518 #define QLOCKER			(HOSTDATA(shpnt)->locker)
519 #define QLOCKERL		(HOSTDATA(shpnt)->lockerl)
521 #define STATE			(HOSTDATA(shpnt)->state)
522 #define PREVSTATE		(HOSTDATA(shpnt)->prevstate)
523 #define LASTSTATE		(HOSTDATA(shpnt)->laststate)
525 #define RECONN_TARGET		(HOSTDATA(shpnt)->target)
527 #define CMD_I			(HOSTDATA(shpnt)->cmd_i)
529 #define MSGO(i)			(HOSTDATA(shpnt)->msgo[i])
530 #define MSGO_I			(HOSTDATA(shpnt)->msgo_i)
531 #define MSGOLEN			(HOSTDATA(shpnt)->msgo_len)
532 #define ADDMSGO(x)		(MSGOLEN<256 ? (void)(MSGO(MSGOLEN++)=x) : aha152x_error(shpnt,"MSGO overflow"))
534 #define MSGI(i)			(HOSTDATA(shpnt)->msgi[i])
535 #define MSGILEN			(HOSTDATA(shpnt)->msgi_len)
536 #define ADDMSGI(x)		(MSGILEN<256 ? (void)(MSGI(MSGILEN++)=x) : aha152x_error(shpnt,"MSGI overflow"))
538 #define DATA_LEN		(HOSTDATA(shpnt)->data_len)
540 #define SYNCRATE		(HOSTDATA(shpnt)->syncrate[CURRENT_SC->device->id])
541 #define SYNCNEG			(HOSTDATA(shpnt)->syncneg[CURRENT_SC->device->id])
543 #define DELAY			(HOSTDATA(shpnt)->delay)
544 #define EXT_TRANS		(HOSTDATA(shpnt)->ext_trans)
545 #define TC1550			(HOSTDATA(shpnt)->tc1550)
546 #define RECONNECT		(HOSTDATA(shpnt)->reconnect)
547 #define PARITY			(HOSTDATA(shpnt)->parity)
548 #define SYNCHRONOUS		(HOSTDATA(shpnt)->synchronous)
550 #define HOSTIOPORT0		(HOSTDATA(shpnt)->io_port0)
551 #define HOSTIOPORT1		(HOSTDATA(shpnt)->io_port1)
560 static void seldi_run(struct Scsi_Host *shpnt);
561 static void seldo_run(struct Scsi_Host *shpnt);
562 static void selto_run(struct Scsi_Host *shpnt);
563 static void busfree_run(struct Scsi_Host *shpnt);
565 static void msgo_init(struct Scsi_Host *shpnt);
566 static void msgo_run(struct Scsi_Host *shpnt);
567 static void msgo_end(struct Scsi_Host *shpnt);
569 static void cmd_init(struct Scsi_Host *shpnt);
570 static void cmd_run(struct Scsi_Host *shpnt);
571 static void cmd_end(struct Scsi_Host *shpnt);
573 static void datai_init(struct Scsi_Host *shpnt);
574 static void datai_run(struct Scsi_Host *shpnt);
575 static void datai_end(struct Scsi_Host *shpnt);
577 static void datao_init(struct Scsi_Host *shpnt);
578 static void datao_run(struct Scsi_Host *shpnt);
579 static void datao_end(struct Scsi_Host *shpnt);
581 static void status_run(struct Scsi_Host *shpnt);
583 static void msgi_run(struct Scsi_Host *shpnt);
584 static void msgi_end(struct Scsi_Host *shpnt);
586 static void parerr_run(struct Scsi_Host *shpnt);
587 static void rsti_run(struct Scsi_Host *shpnt);
589 static void is_complete(struct Scsi_Host *shpnt);
620 static void reset_ports(struct Scsi_Host *shpnt);
621 static void aha152x_error(struct Scsi_Host *shpnt, char *msg);
622 static void done(struct Scsi_Host *shpnt, int error);
626 static void show_queues(struct Scsi_Host *shpnt);
627 static void disp_enintr(struct Scsi_Host *shpnt);
706 	struct Scsi_Host *shpnt = dev_id;  in swintr()  local
708 	HOSTDATA(shpnt)->swint++;  in swintr()
716 	struct Scsi_Host *shpnt;  in aha152x_probe_one()  local
718 	shpnt = scsi_host_alloc(&aha152x_driver_template, sizeof(struct aha152x_hostdata));  in aha152x_probe_one()
719 	if (!shpnt) {  in aha152x_probe_one()
724 	memset(HOSTDATA(shpnt), 0, sizeof *HOSTDATA(shpnt));  in aha152x_probe_one()
725 	INIT_LIST_HEAD(&HOSTDATA(shpnt)->host_list);  in aha152x_probe_one()
728 	list_add_tail(&HOSTDATA(shpnt)->host_list, &aha152x_host_list);  in aha152x_probe_one()
730 	shpnt->io_port   = setup->io_port;  in aha152x_probe_one()
731 	shpnt->n_io_port = IO_RANGE;  in aha152x_probe_one()
732 	shpnt->irq       = setup->irq;  in aha152x_probe_one()
750 	shpnt->this_id = setup->scsiid;  in aha152x_probe_one()
753 		shpnt->can_queue = AHA152X_MAXQUEUE;  in aha152x_probe_one()
762 	reset_ports(shpnt);  in aha152x_probe_one()
775 	       shpnt->host_no, setup->tc1550 ? " (tc1550 mode)" : "",  in aha152x_probe_one()
777 	       shpnt->io_port, HOSTIOPORT0, HOSTIOPORT1,  in aha152x_probe_one()
778 	       shpnt->irq,  in aha152x_probe_one()
779 	       shpnt->this_id,  in aha152x_probe_one()
790 	if (request_irq(shpnt->irq, swintr, IRQF_SHARED, "aha152x", shpnt)) {  in aha152x_probe_one()
791 		printk(KERN_ERR "aha152x%d: irq %d busy.\n", shpnt->host_no, shpnt->irq);  in aha152x_probe_one()
795 	HOSTDATA(shpnt)->swint = 0;  in aha152x_probe_one()
797 	printk(KERN_INFO "aha152x%d: trying software interrupt, ", shpnt->host_no);  in aha152x_probe_one()
802 	free_irq(shpnt->irq, shpnt);  in aha152x_probe_one()
804 	if (!HOSTDATA(shpnt)->swint) {  in aha152x_probe_one()
814 				"Please verify.\n", shpnt->host_no, shpnt->irq);  in aha152x_probe_one()
824 	if (request_irq(shpnt->irq, intr, IRQF_SHARED, "aha152x", shpnt)) {  in aha152x_probe_one()
825 		printk(KERN_ERR "aha152x%d: failed to reassign irq %d.\n", shpnt->host_no, shpnt->irq);  in aha152x_probe_one()
829 	if( scsi_add_host(shpnt, NULL) ) {  in aha152x_probe_one()
830 		free_irq(shpnt->irq, shpnt);  in aha152x_probe_one()
831 		printk(KERN_ERR "aha152x%d: failed to add host.\n", shpnt->host_no);  in aha152x_probe_one()
835 	scsi_scan_host(shpnt);  in aha152x_probe_one()
837 	return shpnt;  in aha152x_probe_one()
840 	list_del(&HOSTDATA(shpnt)->host_list);  in aha152x_probe_one()
841 	scsi_host_put(shpnt);  in aha152x_probe_one()
846 void aha152x_release(struct Scsi_Host *shpnt)  in aha152x_release()  argument
848 	if (!shpnt)  in aha152x_release()
851 	scsi_remove_host(shpnt);  in aha152x_release()
852 	if (shpnt->irq)  in aha152x_release()
853 		free_irq(shpnt->irq, shpnt);  in aha152x_release()
856 	if (shpnt->io_port)  in aha152x_release()
857 		release_region(shpnt->io_port, IO_RANGE);  in aha152x_release()
861 	if (HOSTDATA(shpnt)->pnpdev)  in aha152x_release()
862 		pnp_device_detach(HOSTDATA(shpnt)->pnpdev);  in aha152x_release()
865 	list_del(&HOSTDATA(shpnt)->host_list);  in aha152x_release()
866 	scsi_host_put(shpnt);  in aha152x_release()
875 static int setup_expected_interrupts(struct Scsi_Host *shpnt)  in setup_expected_interrupts()  argument
896 	if(!HOSTDATA(shpnt)->in_intr)  in setup_expected_interrupts()
910 	struct Scsi_Host *shpnt = SCpnt->device->host;  in aha152x_internal_queue()  local
957 	HOSTDATA(shpnt)->total_commands++;  in aha152x_internal_queue()
961 	HOSTDATA(shpnt)->commands++;  in aha152x_internal_queue()
962 	if (HOSTDATA(shpnt)->commands==1)  in aha152x_internal_queue()
967 	if(!HOSTDATA(shpnt)->in_intr)  in aha152x_internal_queue()
968 		setup_expected_interrupts(shpnt);  in aha152x_internal_queue()
1006 	struct Scsi_Host *shpnt = SCpnt->device->host;  in aha152x_abort()  local
1015 		HOSTDATA(shpnt)->commands--;  in aha152x_abort()
1016 		if (!HOSTDATA(shpnt)->commands)  in aha152x_abort()
1047 	struct Scsi_Host *shpnt = SCpnt->device->host;  in aha152x_device_reset()  local
1081 		HOSTDATA(shpnt)->commands--;  in aha152x_device_reset()
1082 		if (!HOSTDATA(shpnt)->commands)  in aha152x_device_reset()
1103 static void free_hard_reset_SCs(struct Scsi_Host *shpnt,  in free_hard_reset_SCs()  argument
1122 			HOSTDATA(shpnt)->commands--;  in free_hard_reset_SCs()
1138 static int aha152x_bus_reset_host(struct Scsi_Host *shpnt)  in aha152x_bus_reset_host()  argument
1144 	free_hard_reset_SCs(shpnt, &ISSUE_SC);  in aha152x_bus_reset_host()
1145 	free_hard_reset_SCs(shpnt, &DISCONNECTED_SC);  in aha152x_bus_reset_host()
1152 	setup_expected_interrupts(shpnt);  in aha152x_bus_reset_host()
1153 	if(HOSTDATA(shpnt)->commands==0)  in aha152x_bus_reset_host()
1174 static void reset_ports(struct Scsi_Host *shpnt)  in reset_ports()  argument
1203 	setup_expected_interrupts(shpnt);  in reset_ports()
1211 int aha152x_host_reset_host(struct Scsi_Host *shpnt)  in aha152x_host_reset_host()  argument
1213 	aha152x_bus_reset_host(shpnt);  in aha152x_host_reset_host()
1214 	reset_ports(shpnt);  in aha152x_host_reset_host()
1226 	struct Scsi_Host *shpnt = sdev->host;  in aha152x_biosparam()  local
1274 static void done(struct Scsi_Host *shpnt, int error)  in done()  argument
1312 	struct Scsi_Host *shpnt = dev_id;  in intr()  local
1342 	if( HOSTDATA(shpnt)->service==0 ) {  in intr()
1343 		HOSTDATA(shpnt)->service=1;  in intr()
1359 static void busfree_run(struct Scsi_Host *shpnt)  in busfree_run()  argument
1379 …done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_OK <<…  in busfree_run()
1382 …done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_ABORT…  in busfree_run()
1385 …done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_RESET…  in busfree_run()
1390 			HOSTDATA(shpnt)->disconnections++;  in busfree_run()
1397 			done(shpnt, DID_ERROR << 16);  in busfree_run()
1401 		HOSTDATA(shpnt)->busfree_without_old_command++;  in busfree_run()
1413 			struct scsi_cmnd *cmd = HOSTDATA(shpnt)->done_SC;  in busfree_run()
1420 			HOSTDATA(shpnt)->commands--;  in busfree_run()
1421 			if (!HOSTDATA(shpnt)->commands)  in busfree_run()
1425 			HOSTDATA(shpnt)->busfree_with_check_condition++;  in busfree_run()
1449 			HOSTDATA(shpnt)->commands--;  in busfree_run()
1450 			if (!HOSTDATA(shpnt)->commands)  in busfree_run()
1466 		HOSTDATA(shpnt)->busfree_without_done_command++;  in busfree_run()
1484 		SETPORT(SCSIID, (shpnt->this_id << OID_) | CURRENT_SC->device->id);  in busfree_run()
1489 		HOSTDATA(shpnt)->busfree_without_new_command++;  in busfree_run()
1496 		HOSTDATA(shpnt)->busfree_without_any_action++;  in busfree_run()
1505 static void seldo_run(struct Scsi_Host *shpnt)  in seldo_run()  argument
1518 		done(shpnt, DID_NO_CONNECT << 16);  in seldo_run()
1544 static void selto_run(struct Scsi_Host *shpnt)  in selto_run()  argument
1555 		done(shpnt, DID_ABORT << 16);  in selto_run()
1557 		done(shpnt, DID_BUS_BUSY << 16);  in selto_run()
1560 		done(shpnt, DID_NO_CONNECT << 16);  in selto_run()
1570 static void seldi_run(struct Scsi_Host *shpnt)  in seldi_run()  argument
1598 	selid = GETPORT(SELID) & ~(1 << shpnt->this_id);  in seldi_run()
1601 		shost_printk(KERN_INFO, shpnt,  in seldi_run()
1610 		shost_printk(KERN_INFO, shpnt,  in seldi_run()
1615 	SETPORT(SCSIID, (shpnt->this_id << OID_) | target);  in seldi_run()
1618 	SETRATE(HOSTDATA(shpnt)->syncrate[target]);  in seldi_run()
1636 static void msgi_run(struct Scsi_Host *shpnt)  in msgi_run()  argument
1651 				shost_printk(KERN_ERR, shpnt,  in msgi_run()
1660 				shost_printk(KERN_ERR, shpnt,  in msgi_run()
1668 				show_queues(shpnt);  in msgi_run()
1669 				shost_printk(KERN_ERR, shpnt,  in msgi_run()
1734 					if (!HOSTDATA(shpnt)->synchronous)  in msgi_run()
1789 						HOSTDATA(shpnt)->syncrate[i]=0;  in msgi_run()
1790 						HOSTDATA(shpnt)->syncneg[i]=0;  in msgi_run()
1810 static void msgi_end(struct Scsi_Host *shpnt)  in msgi_end()  argument
1825 static void msgo_init(struct Scsi_Host *shpnt)  in msgo_init()  argument
1843 static void msgo_run(struct Scsi_Host *shpnt)  in msgo_run()  argument
1868 static void msgo_end(struct Scsi_Host *shpnt)  in msgo_end()  argument
1889 static void cmd_init(struct Scsi_Host *shpnt)  in cmd_init()  argument
1894 		done(shpnt, DID_ERROR << 16);  in cmd_init()
1905 static void cmd_run(struct Scsi_Host *shpnt)  in cmd_run()  argument
1915 static void cmd_end(struct Scsi_Host *shpnt)  in cmd_end()  argument
1929 static void status_run(struct Scsi_Host *shpnt)  in status_run()  argument
1942 static void datai_init(struct Scsi_Host *shpnt)  in datai_init()  argument
1956 static void datai_run(struct Scsi_Host *shpnt)  in datai_run()  argument
2063 static void datai_end(struct Scsi_Host *shpnt)  in datai_end()  argument
2075 static void datao_init(struct Scsi_Host *shpnt)  in datao_init()  argument
2089 static void datao_run(struct Scsi_Host *shpnt)  in datao_run()  argument
2142 static void datao_end(struct Scsi_Host *shpnt)  in datao_end()  argument
2177 static int update_state(struct Scsi_Host *shpnt)  in update_state()  argument
2231 static void parerr_run(struct Scsi_Host *shpnt)  in parerr_run()  argument
2234 	done(shpnt, DID_PARITY << 16);  in parerr_run()
2241 static void rsti_run(struct Scsi_Host *shpnt)  in rsti_run()  argument
2245 	shost_printk(KERN_NOTICE, shpnt, "scsi reset in\n");  in rsti_run()
2265 		done(shpnt, DID_RESET << 16 );  in rsti_run()
2273 static void is_complete(struct Scsi_Host *shpnt)  in is_complete()  argument
2279 	if(!shpnt)  in is_complete()
2284 	if( HOSTDATA(shpnt)->service==0 )  {  in is_complete()
2289 	HOSTDATA(shpnt)->service = 0;  in is_complete()
2291 	if(HOSTDATA(shpnt)->in_intr) {  in is_complete()
2294 		aha152x_error(shpnt, "bottom-half already running!?");  in is_complete()
2296 	HOSTDATA(shpnt)->in_intr++;  in is_complete()
2306 		dataphase=update_state(shpnt);  in is_complete()
2313 			states[PREVSTATE].end(shpnt);  in is_complete()
2354 			states[STATE].init(shpnt);  in is_complete()
2361 			states[STATE].run(shpnt);  in is_complete()
2373 		pending=setup_expected_interrupts(shpnt);  in is_complete()
2375 		HOSTDATA(shpnt)->count[STATE]++;  in is_complete()
2377 			HOSTDATA(shpnt)->count_trans[STATE]++;  in is_complete()
2378 		HOSTDATA(shpnt)->time[STATE] += jiffies-start;  in is_complete()
2387 	HOSTDATA(shpnt)->in_intr--;  in is_complete()
2396 static void aha152x_error(struct Scsi_Host *shpnt, char *msg)  in aha152x_error()  argument
2398 	shost_printk(KERN_EMERG, shpnt, "%s\n", msg);  in aha152x_error()
2399 	show_queues(shpnt);  in aha152x_error()
2406 static void disp_enintr(struct Scsi_Host *shpnt)  in disp_enintr()  argument
2413 	shost_printk(KERN_DEBUG, shpnt,  in disp_enintr()
2456 static void show_queues(struct Scsi_Host *shpnt)  in show_queues()  argument
2477 	disp_enintr(shpnt);  in show_queues()
2513 static void get_ports(struct seq_file *m, struct Scsi_Host *shpnt)  in get_ports()  argument
2772 static int aha152x_set_info(struct Scsi_Host *shpnt, char *buffer, int length)  in aha152x_set_info()  argument
2774 	if(!shpnt || !buffer || length<8 || strncmp("aha152x ", buffer, 8)!=0)  in aha152x_set_info()
2781 		HOSTDATA(shpnt)->total_commands=0;  in aha152x_set_info()
2782 		HOSTDATA(shpnt)->disconnections=0;  in aha152x_set_info()
2783 		HOSTDATA(shpnt)->busfree_without_any_action=0;  in aha152x_set_info()
2784 		HOSTDATA(shpnt)->busfree_without_old_command=0;  in aha152x_set_info()
2785 		HOSTDATA(shpnt)->busfree_without_new_command=0;  in aha152x_set_info()
2786 		HOSTDATA(shpnt)->busfree_without_done_command=0;  in aha152x_set_info()
2787 		HOSTDATA(shpnt)->busfree_with_check_condition=0;  in aha152x_set_info()
2789 			HOSTDATA(shpnt)->count[i]=0;  in aha152x_set_info()
2790 			HOSTDATA(shpnt)->count_trans[i]=0;  in aha152x_set_info()
2791 			HOSTDATA(shpnt)->time[i]=0;  in aha152x_set_info()
2794 		shost_printk(KERN_INFO, shpnt, "aha152x: stats reset.\n");  in aha152x_set_info()
2806 static int aha152x_show_info(struct seq_file *m, struct Scsi_Host *shpnt)  in aha152x_show_info()  argument
2815 		shpnt->io_port, shpnt->io_port + shpnt->n_io_port - 1);  in aha152x_show_info()
2816 	seq_printf(m, "interrupt 0x%02x\n", shpnt->irq);  in aha152x_show_info()
2823 	seq_printf(m, "%d commands currently queued\n", HOSTDATA(shpnt)->commands);  in aha152x_show_info()
2828 			if (HOSTDATA(shpnt)->syncrate[i] & 0x7f)  in aha152x_show_info()
2831 					(((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2),  in aha152x_show_info()
2832 					(((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2) * 50,  in aha152x_show_info()
2833 				    HOSTDATA(shpnt)->syncrate[i] & 0x0f);  in aha152x_show_info()
2858 	get_ports(m, shpnt);  in aha152x_show_info()
2873 		HOSTDATA(shpnt)->total_commands,  in aha152x_show_info()
2874 		HOSTDATA(shpnt)->disconnections,  in aha152x_show_info()
2875 		HOSTDATA(shpnt)->busfree_with_check_condition,  in aha152x_show_info()
2876 		HOSTDATA(shpnt)->busfree_without_old_command,  in aha152x_show_info()
2877 		HOSTDATA(shpnt)->busfree_without_new_command,  in aha152x_show_info()
2878 		HOSTDATA(shpnt)->busfree_without_done_command,  in aha152x_show_info()
2879 		HOSTDATA(shpnt)->busfree_without_any_action);  in aha152x_show_info()
2883 			HOSTDATA(shpnt)->count_trans[i],  in aha152x_show_info()
2884 			HOSTDATA(shpnt)->count[i],  in aha152x_show_info()
2885 			HOSTDATA(shpnt)->time[i]);  in aha152x_show_info()
3312 			struct Scsi_Host *shpnt = aha152x_probe_one(&setup[i]);  in aha152x_init()  local
3314 			if( !shpnt ) {  in aha152x_init()
3318 				HOSTDATA(shpnt)->pnpdev=pnpdev[i];  in aha152x_init()