19 static void qla4xxx_copy_sense(struct scsi_qla_host *ha,  in qla4xxx_copy_sense()  argument
29 		DEBUG2(ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d:%llu: %s:"  in qla4xxx_copy_sense()
30 				  " sense len 0\n", ha->host_no,  in qla4xxx_copy_sense()
33 		ha->status_srb = NULL;  in qla4xxx_copy_sense()
47 		"ASL= %02x, ASC/ASCQ = %02x/%02x\n", ha->host_no,  in qla4xxx_copy_sense()
62 		ha->status_srb = srb;  in qla4xxx_copy_sense()
64 		ha->status_srb = NULL;  in qla4xxx_copy_sense()
75 qla4xxx_status_cont_entry(struct scsi_qla_host *ha,  in qla4xxx_status_cont_entry()  argument
78 	struct srb *srb = ha->status_srb;  in qla4xxx_status_cont_entry()
88 			"back to OS srb=%p srb->state:%d\n", ha->host_no,  in qla4xxx_status_cont_entry()
90 		ha->status_srb = NULL;  in qla4xxx_status_cont_entry()
106 		ha->status_srb = NULL;  in qla4xxx_status_cont_entry()
115 static void qla4xxx_status_entry(struct scsi_qla_host *ha,  in qla4xxx_status_entry()  argument
124 	srb = qla4xxx_del_from_active_array(ha, le32_to_cpu(sts_entry->handle));  in qla4xxx_status_entry()
126 		ql4_printk(KERN_WARNING, ha, "%s invalid status entry: "  in qla4xxx_status_entry()
129 		if (is_qla80XX(ha))  in qla4xxx_status_entry()
130 			set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);  in qla4xxx_status_entry()
132 			set_bit(DPC_RESET_HA, &ha->dpc_flags);  in qla4xxx_status_entry()
140 			      ha->host_no, __func__, sts_entry->handle,  in qla4xxx_status_entry()
142 		ql4_printk(KERN_WARNING, ha, "Command is NULL:"  in qla4xxx_status_entry()
175 					"residual = 0x%x\n", ha->host_no,  in qla4xxx_status_entry()
190 		qla4xxx_copy_sense(ha, sts_entry, srb);  in qla4xxx_status_entry()
201 			      ha->host_no, cmd->device->channel,  in qla4xxx_status_entry()
209 			      ha->host_no, cmd->device->channel,  in qla4xxx_status_entry()
217 			      ha->host_no, cmd->device->channel,  in qla4xxx_status_entry()
236 				      ha->host_no,  in qla4xxx_status_entry()
261 				DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_status_entry()
263 						   ha->host_no,  in qla4xxx_status_entry()
293 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_status_entry()
295 					  ha->host_no,  in qla4xxx_status_entry()
310 			qla4xxx_copy_sense(ha, sts_entry, srb);  in qla4xxx_status_entry()
317 		    "state: 0x%x\n", ha->host_no,  in qla4xxx_status_entry()
338 			      " iResp=%02x\n", ha->host_no, cmd->device->id,  in qla4xxx_status_entry()
355 	if (ha->status_srb == NULL)  in qla4xxx_status_entry()
364 static void qla4xxx_passthru_status_entry(struct scsi_qla_host *ha,  in qla4xxx_passthru_status_entry()  argument
378 	ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);  in qla4xxx_passthru_status_entry()
381 		ql4_printk(KERN_ERR, ha, "%s: Invalid target index = 0x%x\n",  in qla4xxx_passthru_status_entry()
393 		ql4_printk(KERN_ERR, ha, "%s: Task is NULL\n", __func__);  in qla4xxx_passthru_status_entry()
399 	ha->iocb_cnt -= task_data->iocb_req_cnt;  in qla4xxx_passthru_status_entry()
400 	queue_work(ha->task_wq, &task_data->task_work);  in qla4xxx_passthru_status_entry()
403 static struct mrb *qla4xxx_del_mrb_from_active_array(struct scsi_qla_host *ha,  in qla4xxx_del_mrb_from_active_array()  argument
412 	mrb = ha->active_mrb_array[index];  in qla4xxx_del_mrb_from_active_array()
413 	ha->active_mrb_array[index] = NULL;  in qla4xxx_del_mrb_from_active_array()
418 	ha->iocb_cnt -= mrb->iocb_cnt;  in qla4xxx_del_mrb_from_active_array()
423 static void qla4xxx_mbox_status_entry(struct scsi_qla_host *ha,  in qla4xxx_mbox_status_entry()  argument
430 	mrb = qla4xxx_del_mrb_from_active_array(ha,  in qla4xxx_mbox_status_entry()
434 		ql4_printk(KERN_WARNING, ha, "%s: mrb[%d] is null\n", __func__,  in qla4xxx_mbox_status_entry()
441 		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: mbox_cmd = 0x%x, "  in qla4xxx_mbox_status_entry()
454 		qla4xxx_post_ping_evt_work(ha, status, mrb->pid, data_size,  in qla4xxx_mbox_status_entry()
459 		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: invalid mbox_cmd = "  in qla4xxx_mbox_status_entry()
474 void qla4xxx_process_response_queue(struct scsi_qla_host *ha)  in qla4xxx_process_response_queue()  argument
481 	while ((ha->response_ptr->signature != RESPONSE_PROCESSED)) {  in qla4xxx_process_response_queue()
482 		sts_entry = (struct status_entry *) ha->response_ptr;  in qla4xxx_process_response_queue()
486 		if (ha->response_out == (RESPONSE_QUEUE_DEPTH - 1)) {  in qla4xxx_process_response_queue()
487 			ha->response_out = 0;  in qla4xxx_process_response_queue()
488 			ha->response_ptr = ha->response_ring;  in qla4xxx_process_response_queue()
490 			ha->response_out++;  in qla4xxx_process_response_queue()
491 			ha->response_ptr++;  in qla4xxx_process_response_queue()
498 			qla4xxx_status_entry(ha, sts_entry);  in qla4xxx_process_response_queue()
503 				qla4xxx_passthru_status_entry(ha,  in qla4xxx_process_response_queue()
506 				ql4_printk(KERN_ERR, ha,  in qla4xxx_process_response_queue()
513 			qla4xxx_status_cont_entry(ha,  in qla4xxx_process_response_queue()
522 			srb = qla4xxx_del_from_active_array(ha,  in qla4xxx_process_response_queue()
529 				      "srb %p\n", ha->host_no, __func__, srb));  in qla4xxx_process_response_queue()
540 				      "ignoring\n", ha->host_no, __func__));  in qla4xxx_process_response_queue()
544 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_process_response_queue()
546 			qla4xxx_mbox_status_entry(ha,  in qla4xxx_process_response_queue()
556 				      "response queue \n", ha->host_no,  in qla4xxx_process_response_queue()
568 	ha->isp_ops->complete_iocb(ha);  in qla4xxx_process_response_queue()
574 		      ha->host_no, __func__, srb, sts_entry->hdr.entryType,  in qla4xxx_process_response_queue()
578 	ha->isp_ops->complete_iocb(ha);  in qla4xxx_process_response_queue()
579 	set_bit(DPC_RESET_HA, &ha->dpc_flags);  in qla4xxx_process_response_queue()
587 static int qla4_83xx_loopback_in_progress(struct scsi_qla_host *ha)  in qla4_83xx_loopback_in_progress()  argument
591 	if (is_qla8032(ha) || is_qla8042(ha)) {  in qla4_83xx_loopback_in_progress()
592 		if ((ha->idc_info.info2 & ENABLE_INTERNAL_LOOPBACK) ||  in qla4_83xx_loopback_in_progress()
593 		    (ha->idc_info.info2 & ENABLE_EXTERNAL_LOOPBACK)) {  in qla4_83xx_loopback_in_progress()
594 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4_83xx_loopback_in_progress()
599 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4_83xx_loopback_in_progress()
609 static void qla4xxx_update_ipaddr_state(struct scsi_qla_host *ha,  in qla4xxx_update_ipaddr_state()  argument
621 		ha->ip_config.ipv4_addr_state = ipaddr_state;  in qla4xxx_update_ipaddr_state()
624 		ha->ip_config.ipv6_link_local_state = ipaddr_state;  in qla4xxx_update_ipaddr_state()
627 		ha->ip_config.ipv6_addr0_state = ipaddr_state;  in qla4xxx_update_ipaddr_state()
630 		ha->ip_config.ipv6_addr1_state = ipaddr_state;  in qla4xxx_update_ipaddr_state()
633 		ql4_printk(KERN_INFO, ha, "%s: Invalid IPADDR index %d\n",  in qla4xxx_update_ipaddr_state()
638 static void qla4xxx_default_router_changed(struct scsi_qla_host *ha,  in qla4xxx_default_router_changed()  argument
641 	memcpy(&ha->ip_config.ipv6_default_router_addr.s6_addr32[0],  in qla4xxx_default_router_changed()
643 	memcpy(&ha->ip_config.ipv6_default_router_addr.s6_addr32[1],  in qla4xxx_default_router_changed()
645 	memcpy(&ha->ip_config.ipv6_default_router_addr.s6_addr32[2],  in qla4xxx_default_router_changed()
647 	memcpy(&ha->ip_config.ipv6_default_router_addr.s6_addr32[3],  in qla4xxx_default_router_changed()
659 static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,  in qla4xxx_isr_decode_mailbox()  argument
667 	if (is_qla8032(ha) || is_qla8042(ha))  in qla4xxx_isr_decode_mailbox()
668 		mailbox_out = &ha->qla4_83xx_reg->mailbox_out[0];  in qla4xxx_isr_decode_mailbox()
669 	else if (is_qla8022(ha))  in qla4xxx_isr_decode_mailbox()
670 		mailbox_out = &ha->qla4_82xx_reg->mailbox_out[0];  in qla4xxx_isr_decode_mailbox()
672 		mailbox_out = &ha->reg->mailbox[0];  in qla4xxx_isr_decode_mailbox()
677 		ha->mbox_status[0] = mbox_status;  in qla4xxx_isr_decode_mailbox()
679 		if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {  in qla4xxx_isr_decode_mailbox()
684 			for (i = 0; i < ha->mbox_status_count; i++)  in qla4xxx_isr_decode_mailbox()
685 				ha->mbox_status[i] = readl(&mailbox_out[i]);  in qla4xxx_isr_decode_mailbox()
687 			set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);  in qla4xxx_isr_decode_mailbox()
689 			if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags))  in qla4xxx_isr_decode_mailbox()
690 				complete(&ha->mbx_intr_comp);  in qla4xxx_isr_decode_mailbox()
698 		if (ha->aen_log.count < MAX_AEN_ENTRIES) {  in qla4xxx_isr_decode_mailbox()
700 				ha->aen_log.entry[ha->aen_log.count].mbox_sts[i] =  in qla4xxx_isr_decode_mailbox()
702 			ha->aen_log.count++;  in qla4xxx_isr_decode_mailbox()
707 			ql4_printk(KERN_INFO, ha, "%s: System Err\n", __func__);  in qla4xxx_isr_decode_mailbox()
708 			qla4xxx_dump_registers(ha);  in qla4xxx_isr_decode_mailbox()
710 			if ((is_qla8022(ha) && ql4xdontresethba) ||  in qla4xxx_isr_decode_mailbox()
711 			    ((is_qla8032(ha) || is_qla8042(ha)) &&  in qla4xxx_isr_decode_mailbox()
712 			     qla4_83xx_idc_dontreset(ha))) {  in qla4xxx_isr_decode_mailbox()
714 				    ha->host_no, __func__));  in qla4xxx_isr_decode_mailbox()
716 				set_bit(AF_GET_CRASH_RECORD, &ha->flags);  in qla4xxx_isr_decode_mailbox()
717 				set_bit(DPC_RESET_HA, &ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
727 				      "Reset HA\n", ha->host_no, mbox_status));  in qla4xxx_isr_decode_mailbox()
728 			if (is_qla80XX(ha))  in qla4xxx_isr_decode_mailbox()
730 					&ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
732 				set_bit(DPC_RESET_HA, &ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
736 			set_bit(AF_LINK_UP, &ha->flags);  in qla4xxx_isr_decode_mailbox()
737 			if (test_bit(AF_INIT_DONE, &ha->flags))  in qla4xxx_isr_decode_mailbox()
738 				set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
740 			ql4_printk(KERN_INFO, ha, "%s: LINK UP\n", __func__);  in qla4xxx_isr_decode_mailbox()
741 			qla4xxx_post_aen_work(ha, ISCSI_EVENT_LINKUP,  in qla4xxx_isr_decode_mailbox()
745 			if ((is_qla8032(ha) || is_qla8042(ha)) &&  in qla4xxx_isr_decode_mailbox()
746 			    ha->notify_link_up_comp)  in qla4xxx_isr_decode_mailbox()
747 				complete(&ha->link_up_comp);  in qla4xxx_isr_decode_mailbox()
752 			clear_bit(AF_LINK_UP, &ha->flags);  in qla4xxx_isr_decode_mailbox()
753 			if (test_bit(AF_INIT_DONE, &ha->flags)) {  in qla4xxx_isr_decode_mailbox()
754 				set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
755 				qla4xxx_wake_dpc(ha);  in qla4xxx_isr_decode_mailbox()
758 			ql4_printk(KERN_INFO, ha, "%s: LINK DOWN\n", __func__);  in qla4xxx_isr_decode_mailbox()
759 			qla4xxx_post_aen_work(ha, ISCSI_EVENT_LINKDOWN,  in qla4xxx_isr_decode_mailbox()
765 			ha->seconds_since_last_heartbeat = 0;  in qla4xxx_isr_decode_mailbox()
770 				      "ACQUIRED\n", ha->host_no, mbox_status));  in qla4xxx_isr_decode_mailbox()
771 			set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
783 			DEBUG2(printk("scsi%ld: AEN %04x\n", ha->host_no,  in qla4xxx_isr_decode_mailbox()
789 			    "mbox_sts[3]=%04x\n", ha->host_no, mbox_sts[0],  in qla4xxx_isr_decode_mailbox()
792 			qla4xxx_update_ipaddr_state(ha, mbox_sts[5],  in qla4xxx_isr_decode_mailbox()
799 				set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
802 				if (is_qla80XX(ha))  in qla4xxx_isr_decode_mailbox()
804 						&ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
806 					set_bit(DPC_RESET_HA, &ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
808 				ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ACB in disabling state\n",  in qla4xxx_isr_decode_mailbox()
809 					   ha->host_no, __func__);  in qla4xxx_isr_decode_mailbox()
811 				complete(&ha->disable_acb_comp);  in qla4xxx_isr_decode_mailbox()
812 				ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ACB state unconfigured\n",  in qla4xxx_isr_decode_mailbox()
813 					   ha->host_no, __func__);  in qla4xxx_isr_decode_mailbox()
821 			DEBUG2(ql4_printk(KERN_INFO, ha, "scsi%ld: AEN %04x\n",  in qla4xxx_isr_decode_mailbox()
822 					  ha->host_no, mbox_status));  in qla4xxx_isr_decode_mailbox()
826 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
829 					  ha->host_no, mbox_sts[0], mbox_sts[1],  in qla4xxx_isr_decode_mailbox()
839 				      ha->host_no, mbox_sts[0],  in qla4xxx_isr_decode_mailbox()
848 				      ha->host_no, mbox_sts[0], mbox_sts[1],  in qla4xxx_isr_decode_mailbox()
855 			if (ha->aen_q_count > 0) {  in qla4xxx_isr_decode_mailbox()
858 				ha->aen_q_count--;  in qla4xxx_isr_decode_mailbox()
861 					ha->aen_q[ha->aen_in].mbox_sts[i] =  in qla4xxx_isr_decode_mailbox()
868 					      ha->host_no, ha->aen_in,  in qla4xxx_isr_decode_mailbox()
874 				ha->aen_in++;  in qla4xxx_isr_decode_mailbox()
875 				if (ha->aen_in == MAX_AEN_ENTRIES)  in qla4xxx_isr_decode_mailbox()
876 					ha->aen_in = 0;  in qla4xxx_isr_decode_mailbox()
879 				set_bit(DPC_AEN, &ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
883 					      ha->host_no, __func__,  in qla4xxx_isr_decode_mailbox()
887 					      ha->host_no));  in qla4xxx_isr_decode_mailbox()
901 			    " inserted\n",  ha->host_no, mbox_sts[0]));  in qla4xxx_isr_decode_mailbox()
907 			    " removed\n",  ha->host_no, mbox_sts[0]));  in qla4xxx_isr_decode_mailbox()
911 			if (is_qla8032(ha) || is_qla8042(ha)) {  in qla4xxx_isr_decode_mailbox()
912 				DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
914 						  ha->host_no, mbox_sts[0],  in qla4xxx_isr_decode_mailbox()
921 						&ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
922 					ha->idc_info.request_desc = mbox_sts[1];  in qla4xxx_isr_decode_mailbox()
923 					ha->idc_info.info1 = mbox_sts[2];  in qla4xxx_isr_decode_mailbox()
924 					ha->idc_info.info2 = mbox_sts[3];  in qla4xxx_isr_decode_mailbox()
925 					ha->idc_info.info3 = mbox_sts[4];  in qla4xxx_isr_decode_mailbox()
926 					qla4xxx_wake_dpc(ha);  in qla4xxx_isr_decode_mailbox()
932 			if (is_qla8032(ha) || is_qla8042(ha)) {  in qla4xxx_isr_decode_mailbox()
933 				DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
935 						  ha->host_no, mbox_sts[0],  in qla4xxx_isr_decode_mailbox()
938 				DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
940 						  ha->host_no, mbox_sts[0]));  in qla4xxx_isr_decode_mailbox()
943 				if (ha->notify_idc_comp)  in qla4xxx_isr_decode_mailbox()
944 					complete(&ha->idc_comp);  in qla4xxx_isr_decode_mailbox()
948 					ha->idc_info.info2 = mbox_sts[3];  in qla4xxx_isr_decode_mailbox()
950 				if (qla4_83xx_loopback_in_progress(ha)) {  in qla4xxx_isr_decode_mailbox()
951 					set_bit(AF_LOOPBACK, &ha->flags);  in qla4xxx_isr_decode_mailbox()
953 					clear_bit(AF_LOOPBACK, &ha->flags);  in qla4xxx_isr_decode_mailbox()
954 					if (ha->saved_acb)  in qla4xxx_isr_decode_mailbox()
956 							&ha->dpc_flags);  in qla4xxx_isr_decode_mailbox()
958 				qla4xxx_wake_dpc(ha);  in qla4xxx_isr_decode_mailbox()
963 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
965 					  ha->host_no, mbox_sts[0], mbox_sts[1],  in qla4xxx_isr_decode_mailbox()
968 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
970 					  ha->host_no, mbox_sts[0]));  in qla4xxx_isr_decode_mailbox()
971 			qla4xxx_default_router_changed(ha, mbox_sts);  in qla4xxx_isr_decode_mailbox()
975 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
977 					  ha->host_no, mbox_sts[0], mbox_sts[1],  in qla4xxx_isr_decode_mailbox()
980 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
982 					  ha->host_no, mbox_sts[0]));  in qla4xxx_isr_decode_mailbox()
984 			ha->idc_extend_tmo = mbox_sts[1];  in qla4xxx_isr_decode_mailbox()
988 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
990 					  ha->host_no, mbox_sts[0],  in qla4xxx_isr_decode_mailbox()
995 			DEBUG2(ql4_printk(KERN_WARNING, ha,  in qla4xxx_isr_decode_mailbox()
997 					  ha->host_no, mbox_sts[0], mbox_sts[1],  in qla4xxx_isr_decode_mailbox()
1003 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
1005 					  ha->host_no, mbox_sts[0], mbox_sts[1],  in qla4xxx_isr_decode_mailbox()
1008 			DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_isr_decode_mailbox()
1010 					  ha->host_no, mbox_sts[0]));  in qla4xxx_isr_decode_mailbox()
1016 				      ha->host_no, mbox_sts[0]));  in qla4xxx_isr_decode_mailbox()
1021 			      ha->host_no, mbox_status));  in qla4xxx_isr_decode_mailbox()
1023 		ha->mbox_status[0] = mbox_status;  in qla4xxx_isr_decode_mailbox()
1027 void qla4_83xx_interrupt_service_routine(struct scsi_qla_host *ha,  in qla4_83xx_interrupt_service_routine()  argument
1032 		qla4xxx_isr_decode_mailbox(ha,  in qla4_83xx_interrupt_service_routine()
1033 				readl(&ha->qla4_83xx_reg->mailbox_out[0]));  in qla4_83xx_interrupt_service_routine()
1035 		writel(0, &ha->qla4_83xx_reg->risc_intr);  in qla4_83xx_interrupt_service_routine()
1037 		qla4xxx_process_response_queue(ha);  in qla4_83xx_interrupt_service_routine()
1041 	writel(0, &ha->qla4_83xx_reg->mb_int_mask);  in qla4_83xx_interrupt_service_routine()
1051 void qla4_82xx_interrupt_service_routine(struct scsi_qla_host *ha,  in qla4_82xx_interrupt_service_routine()  argument
1056 	    test_bit(AF_INIT_DONE, &ha->flags))  in qla4_82xx_interrupt_service_routine()
1057 		qla4xxx_process_response_queue(ha);  in qla4_82xx_interrupt_service_routine()
1061 		qla4xxx_isr_decode_mailbox(ha,  in qla4_82xx_interrupt_service_routine()
1062 		    readl(&ha->qla4_82xx_reg->mailbox_out[0]));  in qla4_82xx_interrupt_service_routine()
1065 	writel(0, &ha->qla4_82xx_reg->host_int);  in qla4_82xx_interrupt_service_routine()
1066 	readl(&ha->qla4_82xx_reg->host_int);  in qla4_82xx_interrupt_service_routine()
1076 void qla4xxx_interrupt_service_routine(struct scsi_qla_host * ha,  in qla4xxx_interrupt_service_routine()  argument
1081 		qla4xxx_process_response_queue(ha);  in qla4xxx_interrupt_service_routine()
1085 		qla4xxx_isr_decode_mailbox(ha,  in qla4xxx_interrupt_service_routine()
1086 					   readl(&ha->reg->mailbox[0]));  in qla4xxx_interrupt_service_routine()
1090 		       &ha->reg->ctrl_status);  in qla4xxx_interrupt_service_routine()
1091 		readl(&ha->reg->ctrl_status);  in qla4xxx_interrupt_service_routine()
1101 static void qla4_82xx_spurious_interrupt(struct scsi_qla_host *ha,  in qla4_82xx_spurious_interrupt()  argument
1107 	DEBUG2(ql4_printk(KERN_INFO, ha, "Spurious Interrupt\n"));  in qla4_82xx_spurious_interrupt()
1108 	if (is_qla8022(ha)) {  in qla4_82xx_spurious_interrupt()
1109 		writel(0, &ha->qla4_82xx_reg->host_int);  in qla4_82xx_spurious_interrupt()
1110 		if (test_bit(AF_INTx_ENABLED, &ha->flags))  in qla4_82xx_spurious_interrupt()
1111 			qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg,  in qla4_82xx_spurious_interrupt()
1114 	ha->spurious_int_count++;  in qla4_82xx_spurious_interrupt()
1124 	struct scsi_qla_host *ha;  in qla4xxx_intr_handler()  local
1129 	ha = (struct scsi_qla_host *) dev_id;  in qla4xxx_intr_handler()
1130 	if (!ha) {  in qla4xxx_intr_handler()
1136 	spin_lock_irqsave(&ha->hardware_lock, flags);  in qla4xxx_intr_handler()
1138 	ha->isr_count++;  in qla4xxx_intr_handler()
1147 		if (ha->isp_ops->rd_shdw_rsp_q_in(ha) !=  in qla4xxx_intr_handler()
1148 		    ha->response_out)  in qla4xxx_intr_handler()
1151 			intr_status = readl(&ha->reg->ctrl_status);  in qla4xxx_intr_handler()
1156 				ha->spurious_int_count++;  in qla4xxx_intr_handler()
1162 				      "Status 0x%04x\n", ha->host_no,  in qla4xxx_intr_handler()
1163 				      readl(isp_port_error_status (ha))));  in qla4xxx_intr_handler()
1172 			if ((readl(&ha->reg->ctrl_status) &  in qla4xxx_intr_handler()
1175 				       &ha->reg->ctrl_status);  in qla4xxx_intr_handler()
1176 				readl(&ha->reg->ctrl_status);  in qla4xxx_intr_handler()
1180 			       &ha->reg->ctrl_status);  in qla4xxx_intr_handler()
1181 			readl(&ha->reg->ctrl_status);  in qla4xxx_intr_handler()
1183 			__qla4xxx_disable_intrs(ha);  in qla4xxx_intr_handler()
1185 			set_bit(DPC_RESET_HA, &ha->dpc_flags);  in qla4xxx_intr_handler()
1189 			clear_bit(AF_ONLINE, &ha->flags);  in qla4xxx_intr_handler()
1190 			__qla4xxx_disable_intrs(ha);  in qla4xxx_intr_handler()
1193 			       &ha->reg->ctrl_status);  in qla4xxx_intr_handler()
1194 			readl(&ha->reg->ctrl_status);  in qla4xxx_intr_handler()
1196 			if (!test_bit(AF_HA_REMOVAL, &ha->flags))  in qla4xxx_intr_handler()
1197 				set_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);  in qla4xxx_intr_handler()
1201 			ha->isp_ops->interrupt_service_routine(ha, intr_status);  in qla4xxx_intr_handler()
1202 			ha->total_io_count++;  in qla4xxx_intr_handler()
1208 	spin_unlock_irqrestore(&ha->hardware_lock, flags);  in qla4xxx_intr_handler()
1220 	struct scsi_qla_host *ha = dev_id;  in qla4_82xx_intr_handler()  local
1226 	if (unlikely(pci_channel_offline(ha->pdev)))  in qla4_82xx_intr_handler()
1229 	ha->isr_count++;  in qla4_82xx_intr_handler()
1230 	status = qla4_82xx_rd_32(ha, ISR_INT_VECTOR);  in qla4_82xx_intr_handler()
1231 	if (!(status & ha->nx_legacy_intr.int_vec_bit))  in qla4_82xx_intr_handler()
1234 	status = qla4_82xx_rd_32(ha, ISR_INT_STATE_REG);  in qla4_82xx_intr_handler()
1236 		DEBUG7(ql4_printk(KERN_INFO, ha,  in qla4_82xx_intr_handler()
1242 	qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);  in qla4_82xx_intr_handler()
1245 	qla4_82xx_rd_32(ha, ISR_INT_VECTOR);  in qla4_82xx_intr_handler()
1246 	qla4_82xx_rd_32(ha, ISR_INT_VECTOR);  in qla4_82xx_intr_handler()
1248 	spin_lock_irqsave(&ha->hardware_lock, flags);  in qla4_82xx_intr_handler()
1250 		if (!(readl(&ha->qla4_82xx_reg->host_int) &  in qla4_82xx_intr_handler()
1252 			qla4_82xx_spurious_interrupt(ha, reqs_count);  in qla4_82xx_intr_handler()
1255 		intr_status =  readl(&ha->qla4_82xx_reg->host_status);  in qla4_82xx_intr_handler()
1258 			qla4_82xx_spurious_interrupt(ha, reqs_count);  in qla4_82xx_intr_handler()
1262 		ha->isp_ops->interrupt_service_routine(ha, intr_status);  in qla4_82xx_intr_handler()
1265 		qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);  in qla4_82xx_intr_handler()
1271 	spin_unlock_irqrestore(&ha->hardware_lock, flags);  in qla4_82xx_intr_handler()
1286 	struct scsi_qla_host *ha = dev_id;  in qla4_83xx_intr_handler()  local
1290 	ha->isr_count++;  in qla4_83xx_intr_handler()
1291 	leg_int_ptr = readl(&ha->qla4_83xx_reg->leg_int_ptr);  in qla4_83xx_intr_handler()
1295 		DEBUG7(ql4_printk(KERN_ERR, ha,  in qla4_83xx_intr_handler()
1302 	if ((leg_int_ptr & PF_BITS_MASK) != ha->pf_bit) {  in qla4_83xx_intr_handler()
1303 		DEBUG7(ql4_printk(KERN_ERR, ha,  in qla4_83xx_intr_handler()
1306 				  ha->pf_bit));  in qla4_83xx_intr_handler()
1314 	writel(0, &ha->qla4_83xx_reg->leg_int_trig);  in qla4_83xx_intr_handler()
1316 		leg_int_ptr = readl(&ha->qla4_83xx_reg->leg_int_ptr);  in qla4_83xx_intr_handler()
1317 		if ((leg_int_ptr & PF_BITS_MASK) != ha->pf_bit)  in qla4_83xx_intr_handler()
1321 	spin_lock_irqsave(&ha->hardware_lock, flags);  in qla4_83xx_intr_handler()
1322 	leg_int_ptr = readl(&ha->qla4_83xx_reg->risc_intr);  in qla4_83xx_intr_handler()
1323 	ha->isp_ops->interrupt_service_routine(ha, leg_int_ptr);  in qla4_83xx_intr_handler()
1324 	spin_unlock_irqrestore(&ha->hardware_lock, flags);  in qla4_83xx_intr_handler()
1332 	struct scsi_qla_host *ha;  in qla4_8xxx_msi_handler()  local
1334 	ha = (struct scsi_qla_host *) dev_id;  in qla4_8xxx_msi_handler()
1335 	if (!ha) {  in qla4_8xxx_msi_handler()
1341 	ha->isr_count++;  in qla4_8xxx_msi_handler()
1343 	qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);  in qla4_8xxx_msi_handler()
1346 	qla4_82xx_rd_32(ha, ISR_INT_VECTOR);  in qla4_8xxx_msi_handler()
1347 	qla4_82xx_rd_32(ha, ISR_INT_VECTOR);  in qla4_8xxx_msi_handler()
1354 	struct scsi_qla_host *ha = dev_id;  in qla4_83xx_mailbox_intr_handler()  local
1358 	spin_lock_irqsave(&ha->hardware_lock, flags);  in qla4_83xx_mailbox_intr_handler()
1360 	ival = readl(&ha->qla4_83xx_reg->risc_intr);  in qla4_83xx_mailbox_intr_handler()
1362 		ql4_printk(KERN_INFO, ha,  in qla4_83xx_mailbox_intr_handler()
1365 		ival = readl(&ha->qla4_83xx_reg->mb_int_mask);  in qla4_83xx_mailbox_intr_handler()
1367 		writel(ival, &ha->qla4_83xx_reg->mb_int_mask);  in qla4_83xx_mailbox_intr_handler()
1371 	qla4xxx_isr_decode_mailbox(ha,  in qla4_83xx_mailbox_intr_handler()
1372 				   readl(&ha->qla4_83xx_reg->mailbox_out[0]));  in qla4_83xx_mailbox_intr_handler()
1373 	writel(0, &ha->qla4_83xx_reg->risc_intr);  in qla4_83xx_mailbox_intr_handler()
1374 	ival = readl(&ha->qla4_83xx_reg->mb_int_mask);  in qla4_83xx_mailbox_intr_handler()
1376 	writel(ival, &ha->qla4_83xx_reg->mb_int_mask);  in qla4_83xx_mailbox_intr_handler()
1377 	ha->isr_count++;  in qla4_83xx_mailbox_intr_handler()
1379 	spin_unlock_irqrestore(&ha->hardware_lock, flags);  in qla4_83xx_mailbox_intr_handler()
1394 	struct scsi_qla_host *ha = dev_id;  in qla4_8xxx_default_intr_handler()  local
1399 	if (is_qla8032(ha) || is_qla8042(ha)) {  in qla4_8xxx_default_intr_handler()
1402 		spin_lock_irqsave(&ha->hardware_lock, flags);  in qla4_8xxx_default_intr_handler()
1404 			if (!(readl(&ha->qla4_82xx_reg->host_int) &  in qla4_8xxx_default_intr_handler()
1406 				qla4_82xx_spurious_interrupt(ha, reqs_count);  in qla4_8xxx_default_intr_handler()
1410 			intr_status =  readl(&ha->qla4_82xx_reg->host_status);  in qla4_8xxx_default_intr_handler()
1413 				qla4_82xx_spurious_interrupt(ha, reqs_count);  in qla4_8xxx_default_intr_handler()
1417 			ha->isp_ops->interrupt_service_routine(ha, intr_status);  in qla4_8xxx_default_intr_handler()
1422 		ha->isr_count++;  in qla4_8xxx_default_intr_handler()
1423 		spin_unlock_irqrestore(&ha->hardware_lock, flags);  in qla4_8xxx_default_intr_handler()
1431 	struct scsi_qla_host *ha = dev_id;  in qla4_8xxx_msix_rsp_q()  local
1436 	spin_lock_irqsave(&ha->hardware_lock, flags);  in qla4_8xxx_msix_rsp_q()
1437 	if (is_qla8032(ha) || is_qla8042(ha)) {  in qla4_8xxx_msix_rsp_q()
1438 		ival = readl(&ha->qla4_83xx_reg->iocb_int_mask);  in qla4_8xxx_msix_rsp_q()
1440 			ql4_printk(KERN_INFO, ha, "%s: It is a spurious iocb interrupt!\n",  in qla4_8xxx_msix_rsp_q()
1444 		qla4xxx_process_response_queue(ha);  in qla4_8xxx_msix_rsp_q()
1445 		writel(0, &ha->qla4_83xx_reg->iocb_int_mask);  in qla4_8xxx_msix_rsp_q()
1447 		intr_status = readl(&ha->qla4_82xx_reg->host_status);  in qla4_8xxx_msix_rsp_q()
1449 			qla4xxx_process_response_queue(ha);  in qla4_8xxx_msix_rsp_q()
1450 			writel(0, &ha->qla4_82xx_reg->host_int);  in qla4_8xxx_msix_rsp_q()
1452 			ql4_printk(KERN_INFO, ha, "%s: spurious iocb interrupt...\n",  in qla4_8xxx_msix_rsp_q()
1457 	ha->isr_count++;  in qla4_8xxx_msix_rsp_q()
1459 	spin_unlock_irqrestore(&ha->hardware_lock, flags);  in qla4_8xxx_msix_rsp_q()
1474 void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen)  in qla4xxx_process_aen()  argument
1481 	spin_lock_irqsave(&ha->hardware_lock, flags);  in qla4xxx_process_aen()
1482 	while (ha->aen_out != ha->aen_in) {  in qla4xxx_process_aen()
1483 		aen = &ha->aen_q[ha->aen_out];  in qla4xxx_process_aen()
1488 		ha->aen_q_count++;  in qla4xxx_process_aen()
1489 		ha->aen_out++;  in qla4xxx_process_aen()
1491 		if (ha->aen_out == MAX_AEN_ENTRIES)  in qla4xxx_process_aen()
1492 			ha->aen_out = 0;  in qla4xxx_process_aen()
1494 		spin_unlock_irqrestore(&ha->hardware_lock, flags);  in qla4xxx_process_aen()
1497 			" mbx3=0x%08x mbx4=0x%08x\n", ha->host_no,  in qla4xxx_process_aen()
1498 			(ha->aen_out ? (ha->aen_out-1): (MAX_AEN_ENTRIES-1)),  in qla4xxx_process_aen()
1508 					      ha->host_no, ha->aen_out,  in qla4xxx_process_aen()
1516 					qla4xxx_process_ddb_changed(ha,  in qla4xxx_process_aen()
1522 		spin_lock_irqsave(&ha->hardware_lock, flags);  in qla4xxx_process_aen()
1524 	spin_unlock_irqrestore(&ha->hardware_lock, flags);  in qla4xxx_process_aen()
1527 int qla4xxx_request_irqs(struct scsi_qla_host *ha)  in qla4xxx_request_irqs()  argument
1532 	if (is_qla40XX(ha))  in qla4xxx_request_irqs()
1537 		if (is_qla8032(ha) || is_qla8042(ha)) {  in qla4xxx_request_irqs()
1538 …ql4_printk(KERN_INFO, ha, "%s: MSI Interrupts not supported for ISP%04x, Falling back-to INTx mode…  in qla4xxx_request_irqs()
1539 				   __func__, ha->pdev->device);  in qla4xxx_request_irqs()
1549 	ret = qla4_8xxx_enable_msix(ha);  in qla4xxx_request_irqs()
1551 		DEBUG2(ql4_printk(KERN_INFO, ha,  in qla4xxx_request_irqs()
1552 		    "MSI-X: Enabled (0x%X).\n", ha->revision_id));  in qla4xxx_request_irqs()
1555 		if (is_qla8032(ha) || is_qla8042(ha)) {  in qla4xxx_request_irqs()
1556 			ql4_printk(KERN_INFO, ha, "%s: ISP%04x: MSI-X: Falling back-to INTx mode. ret = %d\n",  in qla4xxx_request_irqs()
1557 				   __func__, ha->pdev->device, ret);  in qla4xxx_request_irqs()
1562 	ql4_printk(KERN_WARNING, ha,  in qla4xxx_request_irqs()
1567 	ret = pci_enable_msi(ha->pdev);  in qla4xxx_request_irqs()
1569 		ret = request_irq(ha->pdev->irq, qla4_8xxx_msi_handler,  in qla4xxx_request_irqs()
1570 			0, DRIVER_NAME, ha);  in qla4xxx_request_irqs()
1572 			DEBUG2(ql4_printk(KERN_INFO, ha, "MSI: Enabled.\n"));  in qla4xxx_request_irqs()
1573 			set_bit(AF_MSI_ENABLED, &ha->flags);  in qla4xxx_request_irqs()
1576 			ql4_printk(KERN_WARNING, ha,  in qla4xxx_request_irqs()
1578 			    "already in use.\n", ha->pdev->irq);  in qla4xxx_request_irqs()
1579 			pci_disable_msi(ha->pdev);  in qla4xxx_request_irqs()
1584 	if (is_qla8022(ha)) {  in qla4xxx_request_irqs()
1585 		ql4_printk(KERN_WARNING, ha, "%s: ISP82xx Legacy interrupt not supported\n",  in qla4xxx_request_irqs()
1591 	ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,  in qla4xxx_request_irqs()
1592 	    IRQF_SHARED, DRIVER_NAME, ha);  in qla4xxx_request_irqs()
1594 		DEBUG2(ql4_printk(KERN_INFO, ha, "INTx: Enabled.\n"));  in qla4xxx_request_irqs()
1595 		set_bit(AF_INTx_ENABLED, &ha->flags);  in qla4xxx_request_irqs()
1599 		ql4_printk(KERN_WARNING, ha,  in qla4xxx_request_irqs()
1601 		    " use.\n", ha->pdev->irq);  in qla4xxx_request_irqs()
1606 	set_bit(AF_IRQ_ATTACHED, &ha->flags);  in qla4xxx_request_irqs()
1607 	ha->host->irq = ha->pdev->irq;  in qla4xxx_request_irqs()
1608 	ql4_printk(KERN_INFO, ha, "%s: irq %d attached\n",  in qla4xxx_request_irqs()
1609 		   __func__, ha->pdev->irq);  in qla4xxx_request_irqs()
1615 void qla4xxx_free_irqs(struct scsi_qla_host *ha)  in qla4xxx_free_irqs()  argument
1617 	if (test_and_clear_bit(AF_IRQ_ATTACHED, &ha->flags)) {  in qla4xxx_free_irqs()
1618 		if (test_bit(AF_MSIX_ENABLED, &ha->flags)) {  in qla4xxx_free_irqs()
1619 			qla4_8xxx_disable_msix(ha);  in qla4xxx_free_irqs()
1620 		} else if (test_and_clear_bit(AF_MSI_ENABLED, &ha->flags)) {  in qla4xxx_free_irqs()
1621 			free_irq(ha->pdev->irq, ha);  in qla4xxx_free_irqs()
1622 			pci_disable_msi(ha->pdev);  in qla4xxx_free_irqs()
1623 		} else if (test_and_clear_bit(AF_INTx_ENABLED, &ha->flags)) {  in qla4xxx_free_irqs()
1624 			free_irq(ha->pdev->irq, ha);  in qla4xxx_free_irqs()