Merge branch 'master'

23 files changed, 306 insertions, 243 deletions

diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 3e7302692dbe..a480a3742d47 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -446,7 +446,9 @@ config SCSI_DPT_I2O
 
 config SCSI_ADVANSYS
         tristate "AdvanSys SCSI support"
-        depends on (ISA || EISA || PCI) && SCSI && BROKEN
+        depends on SCSI
+        depends on ISA || EISA || PCI
+        depends on BROKEN || X86_32
         help
           This is a driver for all SCSI host adapters manufactured by
           AdvanSys. It is documented in the kernel source in
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 28b93057b607..2a419634b256 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -2051,7 +2051,7 @@ STATIC ASC_DCNT  AscGetMaxDmaCount(ushort);
 #define ADV_VADDR_TO_U32   virt_to_bus
 #define ADV_U32_TO_VADDR   bus_to_virt
 
-#define AdvPortAddr  ulong              /* Virtual memory address size */
+#define AdvPortAddr  void __iomem *     /* Virtual memory address size */
 
 /*
  * Define Adv Library required memory access macros.
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index cb30d9c1153d..0c9c2f400bf6 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -219,6 +219,7 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 ahc->flags |= AHC_39BIT_ADDRESSING;
         } else {
                 if (dma_set_mask(dev, DMA_32BIT_MASK)) {
+                        ahc_free(ahc);
                         printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n");
                         return (-ENODEV);
                 }
diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c
index 5f586140e057..3adecef21783 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c
@@ -2036,12 +2036,12 @@ ahc_pci_resume(struct ahc_softc *ahc)
          * that the OS doesn't know about and rely on our chip
          * reset handler to handle the rest.
          */
-        ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4,
-                             ahc->bus_softc.pci_softc.devconfig);
-        ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/1,
-                             ahc->bus_softc.pci_softc.command);
-        ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME, /*bytes*/1,
-                             ahc->bus_softc.pci_softc.csize_lattime);
+        ahc_pci_write_config(ahc->dev_softc, DEVCONFIG,
+                             ahc->bus_softc.pci_softc.devconfig, /*bytes*/4);
+        ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND,
+                             ahc->bus_softc.pci_softc.command, /*bytes*/1);
+        ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME,
+                             ahc->bus_softc.pci_softc.csize_lattime, /*bytes*/1);
         if ((ahc->flags & AHC_HAS_TERM_LOGIC) != 0) {
                 struct  seeprom_descriptor sd;
                 u_int   sxfrctl1;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 0a8ad37ae899..2e9be83a697f 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -739,7 +739,8 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 {
         struct viosrp_adapter_info *req;
         struct srp_event_struct *evt_struct;
-        
+        dma_addr_t addr;
+
         evt_struct = get_event_struct(&hostdata->pool);
         if (!evt_struct) {
                 printk(KERN_ERR "ibmvscsi: couldn't allocate an event "
@@ -757,10 +758,10 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
         
         req->common.type = VIOSRP_ADAPTER_INFO_TYPE;
         req->common.length = sizeof(hostdata->madapter_info);
-        req->buffer = dma_map_single(hostdata->dev,
-                                     &hostdata->madapter_info,
-                                     sizeof(hostdata->madapter_info),
-                                     DMA_BIDIRECTIONAL);
+        req->buffer = addr = dma_map_single(hostdata->dev,
+                                            &hostdata->madapter_info,
+                                            sizeof(hostdata->madapter_info),
+                                            DMA_BIDIRECTIONAL);
 
         if (dma_mapping_error(req->buffer)) {
                 printk(KERN_ERR
@@ -770,8 +771,13 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
                 return;
         }
         
-        if (ibmvscsi_send_srp_event(evt_struct, hostdata))
+        if (ibmvscsi_send_srp_event(evt_struct, hostdata)) {
                 printk(KERN_ERR "ibmvscsi: couldn't send ADAPTER_INFO_REQ!\n");
+                dma_unmap_single(hostdata->dev,
+                                 addr,
+                                 sizeof(hostdata->madapter_info),
+                                 DMA_BIDIRECTIONAL);
+        }
 };
 
 /**
@@ -1259,6 +1265,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 {
         struct viosrp_host_config *host_config;
         struct srp_event_struct *evt_struct;
+        dma_addr_t addr;
         int rc;
 
         evt_struct = get_event_struct(&hostdata->pool);
@@ -1279,8 +1286,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
         memset(host_config, 0x00, sizeof(*host_config));
         host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
         host_config->common.length = length;
-        host_config->buffer = dma_map_single(hostdata->dev, buffer, length,
-                                            DMA_BIDIRECTIONAL);
+        host_config->buffer = addr = dma_map_single(hostdata->dev, buffer,
+                                                    length,
+                                                    DMA_BIDIRECTIONAL);
 
         if (dma_mapping_error(host_config->buffer)) {
                 printk(KERN_ERR
@@ -1291,11 +1299,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 
         init_completion(&evt_struct->comp);
         rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
-        if (rc == 0) {
+        if (rc == 0)
                 wait_for_completion(&evt_struct->comp);
-                dma_unmap_single(hostdata->dev, host_config->buffer,
-                                 length, DMA_BIDIRECTIONAL);
-        }
+        dma_unmap_single(hostdata->dev, addr, length, DMA_BIDIRECTIONAL);
 
         return rc;
 }
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index fad607b2e6f4..ee22173fce43 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -27,7 +27,6 @@ void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
-void lpfc_set_slim(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
 int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
                    uint32_t);
 void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 8932b1be2b60..41cf5d3ea6ce 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -113,6 +113,7 @@ struct lpfc_nodelist {
 #define NLP_NPR_ADISC      0x2000000    /* Issue ADISC when dq'ed from
                                            NPR list */
 #define NLP_DELAY_REMOVE   0x4000000    /* Defer removal till end of DSM */
+#define NLP_NODEV_REMOVE   0x8000000    /* Defer removal till discovery ends */
 
 /* Defines for list searchs */
 #define NLP_SEARCH_MAPPED    0x1        /* search mapped */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 4813beaaca8f..283b7d824c34 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -302,10 +302,6 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
         if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0))
                 goto fail_free_mbox;
 
-        /*
-         * set_slim mailbox command needs to execute first,
-         * queue this command to be processed later.
-         */
         mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
         mbox->context2 = ndlp;
 
@@ -781,25 +777,26 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
         if (disc && phba->num_disc_nodes) {
                 /* Check to see if there are more PLOGIs to be sent */
                 lpfc_more_plogi(phba);
-        }
 
-        if (phba->num_disc_nodes == 0) {
-                spin_lock_irq(phba->host->host_lock);
-                phba->fc_flag &= ~FC_NDISC_ACTIVE;
-                spin_unlock_irq(phba->host->host_lock);
+                if (phba->num_disc_nodes == 0) {
+                        spin_lock_irq(phba->host->host_lock);
+                        phba->fc_flag &= ~FC_NDISC_ACTIVE;
+                        spin_unlock_irq(phba->host->host_lock);
 
-                lpfc_can_disctmo(phba);
-                if (phba->fc_flag & FC_RSCN_MODE) {
-                        /* Check to see if more RSCNs came in while we were
-                         * processing this one.
-                         */
-                        if ((phba->fc_rscn_id_cnt == 0) &&
-                            (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
-                                spin_lock_irq(phba->host->host_lock);
-                                phba->fc_flag &= ~FC_RSCN_MODE;
-                                spin_unlock_irq(phba->host->host_lock);
-                        } else {
-                                lpfc_els_handle_rscn(phba);
+                        lpfc_can_disctmo(phba);
+                        if (phba->fc_flag & FC_RSCN_MODE) {
+                                /*
+                                 * Check to see if more RSCNs came in while
+                                 * we were processing this one.
+                                 */
+                                if ((phba->fc_rscn_id_cnt == 0) &&
+                                (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
+                                        spin_lock_irq(phba->host->host_lock);
+                                        phba->fc_flag &= ~FC_RSCN_MODE;
+                                        spin_unlock_irq(phba->host->host_lock);
+                                } else {
+                                        lpfc_els_handle_rscn(phba);
+                                }
                         }
                 }
         }
@@ -1263,7 +1260,7 @@ lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
         psli = &phba->sli;
         pring = &psli->ring[LPFC_ELS_RING];
 
-        cmdsize = 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name));
+        cmdsize = (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name);
         elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp,
                                                 ndlp->nlp_DID, ELS_CMD_LOGO);
         if (!elsiocb)
@@ -1451,22 +1448,23 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_hba *phba, struct lpfc_nodelist * nlp)
                          * PLOGIs to be sent
                          */
                         lpfc_more_plogi(phba);
-                }
 
-                if (phba->num_disc_nodes == 0) {
-                        phba->fc_flag &= ~FC_NDISC_ACTIVE;
-                        lpfc_can_disctmo(phba);
-                        if (phba->fc_flag & FC_RSCN_MODE) {
-                                /* Check to see if more RSCNs
-                                 * came in while we were
-                                 * processing this one.
-                                 */
-                                if((phba->fc_rscn_id_cnt==0) &&
-                                   (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
-                                        phba->fc_flag &= ~FC_RSCN_MODE;
-                                }
-                                else {
-                                        lpfc_els_handle_rscn(phba);
+                        if (phba->num_disc_nodes == 0) {
+                                phba->fc_flag &= ~FC_NDISC_ACTIVE;
+                                lpfc_can_disctmo(phba);
+                                if (phba->fc_flag & FC_RSCN_MODE) {
+                                        /*
+                                         * Check to see if more RSCNs
+                                         * came in while we were
+                                         * processing this one.
+                                         */
+                                        if((phba->fc_rscn_id_cnt==0) &&
+                                         !(phba->fc_flag & FC_RSCN_DISCOVERY)) {
+                                                phba->fc_flag &= ~FC_RSCN_MODE;
+                                        }
+                                        else {
+                                                lpfc_els_handle_rscn(phba);
+                                        }
                                 }
                         }
                 }
@@ -1872,9 +1870,6 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
         if (mbox) {
                 if ((rspiocb->iocb.ulpStatus == 0)
                     && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
-                        /* set_slim mailbox command needs to execute first,
-                         * queue this command to be processed later.
-                         */
                         lpfc_unreg_rpi(phba, ndlp);
                         mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
                         mbox->context2 = ndlp;
@@ -1920,6 +1915,7 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
         uint8_t *pcmd;
         uint16_t cmdsize;
         int rc;
+        ELS_PKT *els_pkt_ptr;
 
         psli = &phba->sli;
         pring = &psli->ring[LPFC_ELS_RING];     /* ELS ring */
@@ -1958,6 +1954,23 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
                 pcmd += sizeof (uint32_t);
                 memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
                 break;
+        case ELS_CMD_PRLO:
+                cmdsize = sizeof (uint32_t) + sizeof (PRLO);
+                elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
+                                             ndlp, ndlp->nlp_DID, ELS_CMD_PRLO);
+                if (!elsiocb)
+                        return 1;
+
+                icmd = &elsiocb->iocb;
+                icmd->ulpContext = oldcmd->ulpContext; /* Xri */
+                pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+
+                memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt,
+                       sizeof (uint32_t) + sizeof (PRLO));
+                *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC;
+                els_pkt_ptr = (ELS_PKT *) pcmd;
+                els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED;
+                break;
         default:
                 return 1;
         }
@@ -2498,7 +2511,7 @@ lpfc_els_rcv_rscn(struct lpfc_hba * phba,
         /* If we are about to begin discovery, just ACC the RSCN.
          * Discovery processing will satisfy it.
          */
-        if (phba->hba_state < LPFC_NS_QRY) {
+        if (phba->hba_state <= LPFC_NS_QRY) {
                 lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
                                                                 newnode);
                 return 0;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 6721e679df62..adb086009ae0 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -311,8 +311,8 @@ lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
         evtp->evt_arg2  = arg2;
         evtp->evt       = evt;
 
-        list_add_tail(&evtp->evt_listp, &phba->work_list);
         spin_lock_irq(phba->host->host_lock);
+        list_add_tail(&evtp->evt_listp, &phba->work_list);
         if (phba->work_wait)
                 wake_up(phba->work_wait);
         spin_unlock_irq(phba->host->host_lock);
@@ -1071,10 +1071,6 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
         /* initialize static port data */
         rport->maxframe_size = ndlp->nlp_maxframe;
         rport->supported_classes = ndlp->nlp_class_sup;
-        if ((rport->scsi_target_id != -1) &&
-                (rport->scsi_target_id < MAX_FCP_TARGET)) {
-                ndlp->nlp_sid = rport->scsi_target_id;
-        }
         rdata = rport->dd_data;
         rdata->pnode = ndlp;
 
@@ -1087,6 +1083,10 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
         if (rport_ids.roles !=  FC_RPORT_ROLE_UNKNOWN)
                 fc_remote_port_rolechg(rport, rport_ids.roles);
 
+        if ((rport->scsi_target_id != -1) &&
+                (rport->scsi_target_id < MAX_FCP_TARGET)) {
+                ndlp->nlp_sid = rport->scsi_target_id;
+        }
 
         return;
 }
@@ -1238,6 +1238,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
                                                 evt_listp);
 
                 }
+                nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
                 nlp->nlp_type |= NLP_FC_NODE;
                 break;
         case NLP_MAPPED_LIST:
@@ -1258,6 +1259,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
                                                 evt_listp);
 
                 }
+                nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
                 break;
         case NLP_NPR_LIST:
                 nlp->nlp_flag |= list;
@@ -1402,6 +1404,8 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba,
                         if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
                                 return 1;
                 case CMD_ELS_REQUEST64_CR:
+                        if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
+                                return 1;
                 case CMD_XMIT_ELS_RSP64_CX:
                         if (iocb->context1 == (uint8_t *) ndlp)
                                 return 1;
@@ -1901,10 +1905,8 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
                          */
                         if (ndlp->nlp_flag & NLP_DELAY_TMO)
                                 lpfc_cancel_retry_delay_tmo(phba, ndlp);
-                } else {
-                        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+                } else
                         ndlp = NULL;
-                }
         } else {
                 flg = ndlp->nlp_flag & NLP_LIST_MASK;
                 if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 54d04188f7cc..eedf98801366 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -449,6 +449,7 @@ struct serv_parm {	/* Structure is in Big Endian format */
 #define ELS_CMD_RRQ       0x12000000
 #define ELS_CMD_PRLI      0x20100014
 #define ELS_CMD_PRLO      0x21100014
+#define ELS_CMD_PRLO_ACC  0x02100014
 #define ELS_CMD_PDISC     0x50000000
 #define ELS_CMD_FDISC     0x51000000
 #define ELS_CMD_ADISC     0x52000000
@@ -484,6 +485,7 @@ struct serv_parm {	/* Structure is in Big Endian format */
 #define ELS_CMD_RRQ       0x12
 #define ELS_CMD_PRLI      0x14001020
 #define ELS_CMD_PRLO      0x14001021
+#define ELS_CMD_PRLO_ACC  0x14001002
 #define ELS_CMD_PDISC     0x50
 #define ELS_CMD_FDISC     0x51
 #define ELS_CMD_ADISC     0x52
@@ -1539,6 +1541,7 @@ typedef struct {
 
 #define FLAGS_TOPOLOGY_FAILOVER      0x0400     /* Bit 10 */
 #define FLAGS_LINK_SPEED             0x0800     /* Bit 11 */
+#define FLAGS_IMED_ABORT             0x04000    /* Bit 14 */
 
         uint32_t link_speed;
 #define LINK_SPEED_AUTO 0       /* Auto selection */
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 66d5d003555d..908d0f27706f 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -294,15 +294,6 @@ lpfc_config_port_post(struct lpfc_hba * phba)
                 }
         }
 
-        /* This should turn on DELAYED ABTS for ELS timeouts */
-        lpfc_set_slim(phba, pmb, 0x052198, 0x1);
-        if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
-                phba->hba_state = LPFC_HBA_ERROR;
-                mempool_free( pmb, phba->mbox_mem_pool);
-                return -EIO;
-        }
-
-
         lpfc_read_config(phba, pmb);
         if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
                 lpfc_printf_log(phba,
@@ -804,7 +795,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
                 int    max_speed;
                 char * ports;
                 char * bus;
-        } m;
+        } m = {"<Unknown>", 0, "", ""};
 
         pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
         ports = (hdrtype == 0x80) ? "2-port " : "";
@@ -1627,7 +1618,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 
         error = lpfc_alloc_sysfs_attr(phba);
         if (error)
-                goto out_kthread_stop;
+                goto out_remove_host;
 
         error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
                                                         LPFC_DRIVER_NAME, phba);
@@ -1644,8 +1635,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
         phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
 
         error = lpfc_sli_hba_setup(phba);
-        if (error)
+        if (error) {
+                error = -ENODEV;
                 goto out_free_irq;
+        }
 
         if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
                 spin_lock_irq(phba->host->host_lock);
@@ -1700,6 +1693,9 @@ out_free_irq:
         free_irq(phba->pcidev->irq, phba);
 out_free_sysfs_attr:
         lpfc_free_sysfs_attr(phba);
+out_remove_host:
+        fc_remove_host(phba->host);
+        scsi_remove_host(phba->host);
 out_kthread_stop:
         kthread_stop(phba->worker_thread);
 out_free_iocbq:
@@ -1721,12 +1717,14 @@ out_iounmap_slim:
 out_idr_remove:
         idr_remove(&lpfc_hba_index, phba->brd_no);
 out_put_host:
+        phba->host = NULL;
         scsi_host_put(host);
 out_release_regions:
         pci_release_regions(pdev);
 out_disable_device:
         pci_disable_device(pdev);
 out:
+        pci_set_drvdata(pdev, NULL);
         return error;
 }
 
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index c585e2b2e589..e42f22aaf71b 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -200,6 +200,9 @@ lpfc_init_link(struct lpfc_hba * phba,
                 break;
         }
 
+        /* Enable asynchronous ABTS responses from firmware */
+        mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
+
         /* NEW_FEATURE
          * Setting up the link speed
          */
@@ -292,36 +295,6 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb)
         return;
 }
 
-/***********************************************/
-
-/*                  command to write slim      */
-/***********************************************/
-void
-lpfc_set_slim(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t addr,
-              uint32_t value)
-{
-        MAILBOX_t *mb;
-
-        mb = &pmb->mb;
-        memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
-
-        /* addr = 0x090597 is AUTO ABTS disable for ELS commands */
-        /* addr = 0x052198 is DELAYED ABTS enable for ELS commands */
-
-        /*
-         * Always turn on DELAYED ABTS for ELS timeouts
-         */
-        if ((addr == 0x052198) && (value == 0))
-                value = 1;
-
-        mb->un.varWords[0] = addr;
-        mb->un.varWords[1] = value;
-
-        mb->mbxCommand = MBX_SET_SLIM;
-        mb->mbxOwner = OWN_HOST;
-        return;
-}
-
 /**********************************************/
 /*  lpfc_read_nv  Issue a READ CONFIG         */
 /*                mailbox command             */
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 3d77bd999b70..27d60ad897cd 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -465,14 +465,18 @@ lpfc_rcv_padisc(struct lpfc_hba * phba,
 static int
 lpfc_rcv_logo(struct lpfc_hba * phba,
                       struct lpfc_nodelist * ndlp,
-                      struct lpfc_iocbq *cmdiocb)
+                      struct lpfc_iocbq *cmdiocb,
+                      uint32_t els_cmd)
 {
         /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */
         /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
          * PLOGIs during LOGO storms from a device.
          */
         ndlp->nlp_flag |= NLP_LOGO_ACC;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        if (els_cmd == ELS_CMD_PRLO)
+                lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
+        else
+                lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
 
         if (!(ndlp->nlp_type & NLP_FABRIC) ||
                 (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
@@ -681,7 +685,7 @@ lpfc_rcv_logo_plogi_issue(struct lpfc_hba * phba,
         /* software abort outstanding PLOGI */
         lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -788,10 +792,6 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
         if (lpfc_reg_login
             (phba, irsp->un.elsreq64.remoteID,
              (uint8_t *) sp, mbox, 0) == 0) {
-                /* set_slim mailbox command needs to
-                 * execute first, queue this command to
-                 * be processed later.
-                 */
                 switch (ndlp->nlp_DID) {
                 case NameServer_DID:
                         mbox->mbox_cmpl =
@@ -832,11 +832,17 @@ static uint32_t
 lpfc_device_rm_plogi_issue(struct lpfc_hba * phba,
                            struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
-        /* software abort outstanding PLOGI */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding PLOGI */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -851,7 +857,7 @@ lpfc_device_recov_plogi_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
 
         return ndlp->nlp_state;
@@ -905,7 +911,7 @@ lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba,
         /* software abort outstanding ADISC */
         lpfc_els_abort(phba, ndlp, 0);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -932,7 +938,7 @@ lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba,
         cmdiocb = (struct lpfc_iocbq *) arg;
 
         /* Treat like rcv logo */
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
         return ndlp->nlp_state;
 }
 
@@ -987,11 +993,17 @@ lpfc_device_rm_adisc_issue(struct lpfc_hba * phba,
                             struct lpfc_nodelist * ndlp, void *arg,
                             uint32_t evt)
 {
-        /* software abort outstanding ADISC */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding ADISC */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -1006,7 +1018,7 @@ lpfc_device_recov_adisc_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         ndlp->nlp_flag |= NLP_NPR_ADISC;
         spin_unlock_irq(phba->host->host_lock);
 
@@ -1048,7 +1060,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1073,7 +1085,7 @@ lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba,
         struct lpfc_iocbq *cmdiocb;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1133,8 +1145,14 @@ lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba,
                               struct lpfc_nodelist * ndlp, void *arg,
                               uint32_t evt)
 {
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 static uint32_t
@@ -1146,7 +1164,7 @@ lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         return ndlp->nlp_state;
 }
@@ -1186,7 +1204,7 @@ lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba,
         /* Software abort outstanding PRLI before sending acc */
         lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1214,7 +1232,7 @@ lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba,
         struct lpfc_iocbq *cmdiocb;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1278,11 +1296,17 @@ static uint32_t
 lpfc_device_rm_prli_issue(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
-        /* software abort outstanding PRLI */
-        lpfc_els_abort(phba, ndlp, 1);
+        if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
+        else {
+                /* software abort outstanding PLOGI */
+                lpfc_els_abort(phba, ndlp, 1);
 
-        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-        return NLP_STE_FREED_NODE;
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
 }
 
 
@@ -1313,7 +1337,7 @@ lpfc_device_recov_prli_issue(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         return ndlp->nlp_state;
 }
@@ -1351,7 +1375,7 @@ lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1375,7 +1399,7 @@ lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+        lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
         return ndlp->nlp_state;
 }
 
@@ -1386,7 +1410,7 @@ lpfc_device_recov_unmap_node(struct lpfc_hba * phba,
         ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE;
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         lpfc_disc_set_adisc(phba, ndlp);
 
         return ndlp->nlp_state;
@@ -1424,7 +1448,7 @@ lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1456,7 +1480,7 @@ lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba,
         spin_unlock_irq(phba->host->host_lock);
 
         /* Treat like rcv logo */
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
         return ndlp->nlp_state;
 }
 
@@ -1469,7 +1493,7 @@ lpfc_device_recov_mapped_node(struct lpfc_hba * phba,
         ndlp->nlp_state = NLP_STE_NPR_NODE;
         lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         lpfc_disc_set_adisc(phba, ndlp);
         return ndlp->nlp_state;
@@ -1551,7 +1575,7 @@ lpfc_rcv_logo_npr_node(struct lpfc_hba * phba,
 
         cmdiocb = (struct lpfc_iocbq *) arg;
 
-        lpfc_rcv_logo(phba, ndlp, cmdiocb);
+        lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
         return ndlp->nlp_state;
 }
 
@@ -1617,9 +1641,16 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1628,9 +1659,16 @@ lpfc_cmpl_prli_npr_node(struct lpfc_hba * phba,
                           struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1649,9 +1687,16 @@ lpfc_cmpl_adisc_npr_node(struct lpfc_hba * phba,
                             uint32_t evt)
 {
         struct lpfc_iocbq *cmdiocb, *rspiocb;
+        IOCB_t *irsp;
 
         cmdiocb = (struct lpfc_iocbq *) arg;
         rspiocb = cmdiocb->context_un.rsp_iocb;
+
+        irsp = &rspiocb->iocb;
+        if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
+                lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                return NLP_STE_FREED_NODE;
+        }
         return ndlp->nlp_state;
 }
 
@@ -1668,7 +1713,12 @@ lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba,
 
         if (!mb->mbxStatus)
                 ndlp->nlp_rpi = mb->un.varWords[0];
-
+        else {
+                if (ndlp->nlp_flag & NLP_NODEV_REMOVE) {
+                        lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+                        return NLP_STE_FREED_NODE;
+                }
+        }
         return ndlp->nlp_state;
 }
 
@@ -1677,6 +1727,10 @@ lpfc_device_rm_npr_node(struct lpfc_hba * phba,
                             struct lpfc_nodelist * ndlp, void *arg,
                             uint32_t evt)
 {
+        if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+                ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+                return ndlp->nlp_state;
+        }
         lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
         return NLP_STE_FREED_NODE;
 }
@@ -1687,7 +1741,7 @@ lpfc_device_recov_npr_node(struct lpfc_hba * phba,
                             uint32_t evt)
 {
         spin_lock_irq(phba->host->host_lock);
-        ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
         spin_unlock_irq(phba->host->host_lock);
         if (ndlp->nlp_flag & NLP_DELAY_TMO) {
                 lpfc_cancel_retry_delay_tmo(phba, ndlp);
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index f93799873721..7dc4c2e6bed2 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -629,8 +629,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
         struct lpfc_iocbq *piocbq;
         IOCB_t *piocb;
         struct fcp_cmnd *fcp_cmnd;
-        struct scsi_device *scsi_dev = lpfc_cmd->pCmd->device;
-        struct lpfc_rport_data *rdata = scsi_dev->hostdata;
+        struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
         struct lpfc_nodelist *ndlp = rdata->pnode;
 
         if ((ndlp == NULL) || (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
@@ -665,56 +664,18 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
                 piocb->ulpTimeout = lpfc_cmd->timeout;
         }
 
-        lpfc_cmd->rdata = rdata;
-
-        switch (task_mgmt_cmd) {
-        case FCP_LUN_RESET:
-                /* Issue LUN Reset to TGT <num> LUN <num> */
-                lpfc_printf_log(phba,
-                                KERN_INFO,
-                                LOG_FCP,
-                                "%d:0703 Issue LUN Reset to TGT %d LUN %d "
-                                "Data: x%x x%x\n",
-                                phba->brd_no,
-                                scsi_dev->id, scsi_dev->lun,
-                                ndlp->nlp_rpi, ndlp->nlp_flag);
-
-                break;
-        case FCP_ABORT_TASK_SET:
-                /* Issue Abort Task Set to TGT <num> LUN <num> */
-                lpfc_printf_log(phba,
-                                KERN_INFO,
-                                LOG_FCP,
-                                "%d:0701 Issue Abort Task Set to TGT %d LUN %d "
-                                "Data: x%x x%x\n",
-                                phba->brd_no,
-                                scsi_dev->id, scsi_dev->lun,
-                                ndlp->nlp_rpi, ndlp->nlp_flag);
-
-                break;
-        case FCP_TARGET_RESET:
-                /* Issue Target Reset to TGT <num> */
-                lpfc_printf_log(phba,
-                                KERN_INFO,
-                                LOG_FCP,
-                                "%d:0702 Issue Target Reset to TGT %d "
-                                "Data: x%x x%x\n",
-                                phba->brd_no,
-                                scsi_dev->id, ndlp->nlp_rpi,
-                                ndlp->nlp_flag);
-                break;
-        }
-
         return (1);
 }
 
 static int
-lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba)
+lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba,
+                    unsigned  tgt_id, struct lpfc_rport_data *rdata)
 {
         struct lpfc_iocbq *iocbq;
         struct lpfc_iocbq *iocbqrsp;
         int ret;
 
+        lpfc_cmd->rdata = rdata;
         ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_TARGET_RESET);
         if (!ret)
                 return FAILED;
@@ -726,6 +687,13 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba)
         if (!iocbqrsp)
                 return FAILED;
 
+        /* Issue Target Reset to TGT <num> */
+        lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+                        "%d:0702 Issue Target Reset to TGT %d "
+                        "Data: x%x x%x\n",
+                        phba->brd_no, tgt_id, rdata->pnode->nlp_rpi,
+                        rdata->pnode->nlp_flag);
+
         ret = lpfc_sli_issue_iocb_wait(phba,
                                        &phba->sli.ring[phba->sli.fcp_ring],
                                        iocbq, iocbqrsp, lpfc_cmd->timeout);
@@ -1021,6 +989,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
         lpfc_cmd->pCmd = cmnd;
         lpfc_cmd->timeout = 60;
         lpfc_cmd->scsi_hba = phba;
+        lpfc_cmd->rdata = rdata;
 
         ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_LUN_RESET);
         if (!ret)
@@ -1033,6 +1002,11 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
         if (iocbqrsp == NULL)
                 goto out_free_scsi_buf;
 
+        lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+                        "%d:0703 Issue LUN Reset to TGT %d LUN %d "
+                        "Data: x%x x%x\n", phba->brd_no, cmnd->device->id,
+                        cmnd->device->lun, pnode->nlp_rpi, pnode->nlp_flag);
+
         ret = lpfc_sli_issue_iocb_wait(phba,
                                        &phba->sli.ring[phba->sli.fcp_ring],
                                        iocbq, iocbqrsp, lpfc_cmd->timeout);
@@ -1104,7 +1078,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
         int match;
         int ret = FAILED, i, err_count = 0;
         int cnt, loopcnt;
-        unsigned int midlayer_id = 0;
         struct lpfc_scsi_buf * lpfc_cmd;
 
         lpfc_block_requests(phba);
@@ -1124,7 +1097,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
          * targets known to the driver.  Should any target reset
          * fail, this routine returns failure to the midlayer.
          */
-        midlayer_id = cmnd->device->id;
         for (i = 0; i < MAX_FCP_TARGET; i++) {
                 /* Search the mapped list for this target ID */
                 match = 0;
@@ -1137,9 +1109,8 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
                 if (!match)
                         continue;
 
-                lpfc_cmd->pCmd->device->id = i;
-                lpfc_cmd->pCmd->device->hostdata = ndlp->rport->dd_data;
-                ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba);
+                ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba,
+                                          i, ndlp->rport->dd_data);
                 if (ret != SUCCESS) {
                         lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
                                 "%d:0713 Bus Reset on target %d failed\n",
@@ -1158,7 +1129,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
          * the targets.  Unfortunately, some targets do not abide by
          * this forcing the driver to double check.
          */
-        cmnd->device->id = midlayer_id;
         cnt = lpfc_sli_sum_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
                                 0, 0, LPFC_CTX_HOST);
         if (cnt)
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 4cf1366108b7..6b737568b831 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.1.4"
+#define LPFC_DRIVER_VERSION "8.1.6"
 
 #define LPFC_DRIVER_NAME "lpfc"
 
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 80b68a2481b3..de35ffe2f79d 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4471,7 +4471,6 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru)
 {
         Scsi_Cmnd       *scmd;
         struct  scsi_device *sdev;
-        unsigned long   flags = 0;
         scb_t   *scb;
         int     rval;
 
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index c11e5ce6865e..bec1424eda85 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -10,7 +10,7 @@
  *         2 of the License, or (at your option) any later version.
  *
  * FILE         : megaraid_mbox.c
- * Version      : v2.20.4.7 (Nov 14 2005)
+ * Version      : v2.20.4.8 (Apr 11 2006)
  *
  * Authors:
  *      Atul Mukker             <Atul.Mukker@lsil.com>
@@ -2278,6 +2278,7 @@ megaraid_mbox_dpc(unsigned long devp)
         unsigned long           flags;
         uint8_t                 c;
         int                     status;
+        uioc_t                  *kioc;
 
 
         if (!adapter) return;
@@ -2320,6 +2321,9 @@ megaraid_mbox_dpc(unsigned long devp)
                         // remove from local clist
                         list_del_init(&scb->list);
 
+                        kioc                    = (uioc_t *)scb->gp;
+                        kioc->status            = 0;
+
                         megaraid_mbox_mm_done(adapter, scb);
 
                         continue;
@@ -2636,6 +2640,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
         int             recovery_window;
         int             recovering;
         int             i;
+        uioc_t          *kioc;
 
         adapter         = SCP2ADAPTER(scp);
         raid_dev        = ADAP2RAIDDEV(adapter);
@@ -2655,32 +2660,51 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
         // Also, reset all the commands currently owned by the driver
         spin_lock_irqsave(PENDING_LIST_LOCK(adapter), flags);
         list_for_each_entry_safe(scb, tmp, &adapter->pend_list, list) {
-
                 list_del_init(&scb->list);      // from pending list
 
-                con_log(CL_ANN, (KERN_WARNING
-                        "megaraid: %ld:%d[%d:%d], reset from pending list\n",
-                                scp->serial_number, scb->sno,
-                                scb->dev_channel, scb->dev_target));
+                if (scb->sno >= MBOX_MAX_SCSI_CMDS) {
+                        con_log(CL_ANN, (KERN_WARNING
+                        "megaraid: IOCTL packet with %d[%d:%d] being reset\n",
+                        scb->sno, scb->dev_channel, scb->dev_target));
 
-                scp->result = (DID_RESET << 16);
-                scp->scsi_done(scp);
+                        scb->status = -1;
 
-                megaraid_dealloc_scb(adapter, scb);
+                        kioc                    = (uioc_t *)scb->gp;
+                        kioc->status            = -EFAULT;
+
+                        megaraid_mbox_mm_done(adapter, scb);
+                } else {
+                        if (scb->scp == scp) {  // Found command
+                                con_log(CL_ANN, (KERN_WARNING
+                                        "megaraid: %ld:%d[%d:%d], reset from pending list\n",
+                                        scp->serial_number, scb->sno,
+                                        scb->dev_channel, scb->dev_target));
+                        } else {
+                                con_log(CL_ANN, (KERN_WARNING
+                                "megaraid: IO packet with %d[%d:%d] being reset\n",
+                                scb->sno, scb->dev_channel, scb->dev_target));
+                        }
+
+                        scb->scp->result = (DID_RESET << 16);
+                        scb->scp->scsi_done(scb->scp);
+
+                        megaraid_dealloc_scb(adapter, scb);
+                }
         }
         spin_unlock_irqrestore(PENDING_LIST_LOCK(adapter), flags);
 
         if (adapter->outstanding_cmds) {
                 con_log(CL_ANN, (KERN_NOTICE
                         "megaraid: %d outstanding commands. Max wait %d sec\n",
-                        adapter->outstanding_cmds, MBOX_RESET_WAIT));
+                        adapter->outstanding_cmds,
+                        (MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT)));
         }
 
         recovery_window = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
 
         recovering = adapter->outstanding_cmds;
 
-        for (i = 0; i < recovery_window && adapter->outstanding_cmds; i++) {
+        for (i = 0; i < recovery_window; i++) {
 
                 megaraid_ack_sequence(adapter);
 
@@ -2689,12 +2713,11 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
                         con_log(CL_ANN, (
                         "megaraid mbox: Wait for %d commands to complete:%d\n",
                                 adapter->outstanding_cmds,
-                                MBOX_RESET_WAIT - i));
+                                (MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT) - i));
                 }
 
                 // bailout if no recovery happended in reset time
-                if ((i == MBOX_RESET_WAIT) &&
-                        (recovering == adapter->outstanding_cmds)) {
+                if (adapter->outstanding_cmds == 0) {
                         break;
                 }
 
@@ -2918,12 +2941,13 @@ mbox_post_sync_cmd_fast(adapter_t *adapter, uint8_t raw_mbox[])
         wmb();
         WRINDOOR(raid_dev, raid_dev->mbox_dma | 0x1);
 
-        for (i = 0; i < 0xFFFFF; i++) {
+        for (i = 0; i < MBOX_SYNC_WAIT_CNT; i++) {
                 if (mbox->numstatus != 0xFF) break;
                 rmb();
+                udelay(MBOX_SYNC_DELAY_200);
         }
 
-        if (i == 0xFFFFF) {
+        if (i == MBOX_SYNC_WAIT_CNT) {
                 // We may need to re-calibrate the counter
                 con_log(CL_ANN, (KERN_CRIT
                         "megaraid: fast sync command timed out\n"));
@@ -3475,7 +3499,7 @@ megaraid_cmm_register(adapter_t *adapter)
         adp.drvr_data           = (unsigned long)adapter;
         adp.pdev                = adapter->pdev;
         adp.issue_uioc          = megaraid_mbox_mm_handler;
-        adp.timeout             = 300;
+        adp.timeout             = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
         adp.max_kioc            = MBOX_MAX_USER_CMDS;
 
         if ((rval = mraid_mm_register_adp(&adp)) != 0) {
@@ -3702,7 +3726,6 @@ megaraid_mbox_mm_done(adapter_t *adapter, scb_t *scb)
         unsigned long           flags;
 
         kioc                    = (uioc_t *)scb->gp;
-        kioc->status            = 0;
         mbox64                  = (mbox64_t *)(unsigned long)kioc->cmdbuf;
         mbox64->mbox32.status   = scb->status;
         raw_mbox                = (uint8_t *)&mbox64->mbox32;
diff --git a/drivers/scsi/megaraid/megaraid_mbox.h b/drivers/scsi/megaraid/megaraid_mbox.h
index 882fb1a0b575..868fb0ec93e7 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.h
+++ b/drivers/scsi/megaraid/megaraid_mbox.h
@@ -21,8 +21,8 @@
 #include "megaraid_ioctl.h"
 
 
-#define MEGARAID_VERSION        "2.20.4.7"
-#define MEGARAID_EXT_VERSION    "(Release Date: Mon Nov 14 12:27:22 EST 2005)"
+#define MEGARAID_VERSION        "2.20.4.8"
+#define MEGARAID_EXT_VERSION    "(Release Date: Mon Apr 11 12:27:22 EST 2006)"
 
 
 /*
@@ -100,6 +100,9 @@
 #define MBOX_BUSY_WAIT          10      // max usec to wait for busy mailbox
 #define MBOX_RESET_WAIT         180     // wait these many seconds in reset
 #define MBOX_RESET_EXT_WAIT     120     // extended wait reset
+#define MBOX_SYNC_WAIT_CNT      0xFFFF  // wait loop index for synchronous mode
+
+#define MBOX_SYNC_DELAY_200     200     // 200 micro-seconds
 
 /*
  * maximum transfer that can happen through the firmware commands issued
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 8f3ce0432295..e8f534fb336b 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -898,10 +898,8 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
 
         adapter = kmalloc(sizeof(mraid_mmadp_t), GFP_KERNEL);
 
-        if (!adapter) {
-                rval = -ENOMEM;
-                goto memalloc_error;
-        }
+        if (!adapter)
+                return -ENOMEM;
 
         memset(adapter, 0, sizeof(mraid_mmadp_t));
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 017729c59a49..584fe5d8e507 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -599,6 +599,7 @@ qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 *    Either SUCCESS or FAILED.
 *
 * Note:
+*    Only return FAILED if command not returned by firmware.
 **************************************************************************/
 int
 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
@@ -609,11 +610,12 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
         unsigned int id, lun;
         unsigned long serial;
         unsigned long flags;
+        int wait = 0;
 
         if (!CMD_SP(cmd))
-                return FAILED;
+                return SUCCESS;
 
-        ret = FAILED;
+        ret = SUCCESS;
 
         id = cmd->device->id;
         lun = cmd->device->lun;
@@ -642,7 +644,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
                 } else {
                         DEBUG3(printk("%s(%ld): abort_command "
                             "mbx success.\n", __func__, ha->host_no));
-                        ret = SUCCESS;
+                        wait = 1;
                 }
                 spin_lock_irqsave(&ha->hardware_lock, flags);
 
@@ -651,17 +653,18 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
         /* Wait for the command to be returned. */
-        if (ret == SUCCESS) {
+        if (wait) {
                 if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
                         qla_printk(KERN_ERR, ha,
                             "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
                             "%x.\n", ha->host_no, id, lun, serial, ret);
+                        ret = FAILED;
                 }
         }
 
         qla_printk(KERN_INFO, ha,
-            "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no,
-            id, lun, serial, ret);
+            "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
+            ha->host_no, id, lun, wait, serial, ret);
 
         return ret;
 }
@@ -1700,8 +1703,8 @@ qla2x00_free_device(scsi_qla_host_t *ha)
         ha->flags.online = 0;
 
         /* Detach interrupts */
-        if (ha->pdev->irq)
-                free_irq(ha->pdev->irq, ha);
+        if (ha->host->irq)
+                free_irq(ha->host->irq, ha);
 
         /* release io space registers  */
         if (ha->iobase)
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index c750d3399a97..941c1e15c899 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -56,6 +56,8 @@ static struct {
         {"DENON", "DRD-25X", "V", BLIST_NOLUN},                 /* locks up */
         {"HITACHI", "DK312C", "CM81", BLIST_NOLUN},     /* responds to all lun */
         {"HITACHI", "DK314C", "CR21", BLIST_NOLUN},     /* responds to all lun */
+        {"IBM", "2104-DU3", NULL, BLIST_NOLUN},         /* locks up */
+        {"IBM", "2104-TU3", NULL, BLIST_NOLUN},         /* locks up */
         {"IMS", "CDD521/10", "2.06", BLIST_NOLUN},      /* locks up */
         {"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN},     /* locks up */
         {"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN},     /* locks up */
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7b0f9a3810d2..764a8b375ead 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1067,16 +1067,29 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes,
                         break;
                 case NOT_READY:
                         /*
-                         * If the device is in the process of becoming ready,
-                         * retry.
+                         * If the device is in the process of becoming
+                         * ready, or has a temporary blockage, retry.
                          */
-                        if (sshdr.asc == 0x04 && sshdr.ascq == 0x01) {
-                                scsi_requeue_command(q, cmd);
-                                return;
+                        if (sshdr.asc == 0x04) {
+                                switch (sshdr.ascq) {
+                                case 0x01: /* becoming ready */
+                                case 0x04: /* format in progress */
+                                case 0x05: /* rebuild in progress */
+                                case 0x06: /* recalculation in progress */
+                                case 0x07: /* operation in progress */
+                                case 0x08: /* Long write in progress */
+                                case 0x09: /* self test in progress */
+                                        scsi_requeue_command(q, cmd);
+                                        return;
+                                default:
+                                        break;
+                                }
                         }
-                        if (!(req->flags & REQ_QUIET))
+                        if (!(req->flags & REQ_QUIET)) {
                                 scmd_printk(KERN_INFO, cmd,
-                                           "Device not ready.\n");
+                                           "Device not ready: ");
+                                scsi_print_sense_hdr("", &sshdr);
+                        }
                         scsi_end_request(cmd, 0, this_count, 1);
                         return;
                 case VOLUME_OVERFLOW:
diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c
index 3274ab76c8d3..255886a9ac55 100644
--- a/drivers/scsi/sim710.c
+++ b/drivers/scsi/sim710.c
@@ -75,7 +75,7 @@ param_setup(char *str)
                 else if(!strncmp(pos, "id:", 3)) {
                         if(slot == -1) {
                                 printk(KERN_WARNING "sim710: Must specify slot for id parameter\n");
-                        } else if(slot > MAX_SLOTS) {
+                        } else if(slot >= MAX_SLOTS) {
                                 printk(KERN_WARNING "sim710: Illegal slot %d for id %d\n", slot, val);
                         } else {
                                 id_array[slot] = val;