Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 3825 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
new file mode 100644
index 0000000000..baae1f8279
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -0,0 +1,3825 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Fibre Channel Host Bus Adapters.                                *
+ * Copyright (C) 2017-2023 Broadcom. All Rights Reserved. The term *
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
+ * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
+ * EMULEX and SLI are trademarks of Emulex.                        *
+ * www.broadcom.com                                                *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of version 2 of the GNU General       *
+ * Public License as published by the Free Software Foundation.    *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
+ * more details, a copy of which can be found in the file COPYING  *
+ * included with this package.                                     *
+ *******************************************************************/
+
+/*
+ * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
+ */
+
+#include <linux/blkdev.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/utsname.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_fc.h>
+#include <scsi/fc/fc_fs.h>
+
+#include "lpfc_hw4.h"
+#include "lpfc_hw.h"
+#include "lpfc_sli.h"
+#include "lpfc_sli4.h"
+#include "lpfc_nl.h"
+#include "lpfc_disc.h"
+#include "lpfc.h"
+#include "lpfc_scsi.h"
+#include "lpfc_logmsg.h"
+#include "lpfc_crtn.h"
+#include "lpfc_version.h"
+#include "lpfc_vport.h"
+#include "lpfc_debugfs.h"
+
+/* FDMI Port Speed definitions - FC-GS-7 */
+#define HBA_PORTSPEED_1GFC		0x00000001	/* 1G FC */
+#define HBA_PORTSPEED_2GFC		0x00000002	/* 2G FC */
+#define HBA_PORTSPEED_4GFC		0x00000008	/* 4G FC */
+#define HBA_PORTSPEED_10GFC		0x00000004	/* 10G FC */
+#define HBA_PORTSPEED_8GFC		0x00000010	/* 8G FC */
+#define HBA_PORTSPEED_16GFC		0x00000020	/* 16G FC */
+#define HBA_PORTSPEED_32GFC		0x00000040	/* 32G FC */
+#define HBA_PORTSPEED_20GFC		0x00000080	/* 20G FC */
+#define HBA_PORTSPEED_40GFC		0x00000100	/* 40G FC */
+#define HBA_PORTSPEED_128GFC		0x00000200	/* 128G FC */
+#define HBA_PORTSPEED_64GFC		0x00000400	/* 64G FC */
+#define HBA_PORTSPEED_256GFC		0x00000800	/* 256G FC */
+#define HBA_PORTSPEED_UNKNOWN		0x00008000	/* Unknown */
+#define HBA_PORTSPEED_10GE		0x00010000	/* 10G E */
+#define HBA_PORTSPEED_40GE		0x00020000	/* 40G E */
+#define HBA_PORTSPEED_100GE		0x00040000	/* 100G E */
+#define HBA_PORTSPEED_25GE		0x00080000	/* 25G E */
+#define HBA_PORTSPEED_50GE		0x00100000	/* 50G E */
+#define HBA_PORTSPEED_400GE		0x00200000	/* 400G E */
+
+#define FOURBYTES	4
+
+
+static char *lpfc_release_version = LPFC_DRIVER_VERSION;
+static void
+lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+		      struct lpfc_iocbq *rspiocb);
+
+static void
+lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
+			  struct lpfc_dmabuf *mp, uint32_t size)
+{
+	if (!mp) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
+				"0146 Ignoring unsolicited CT No HBQ "
+				"status = x%x\n",
+				get_job_ulpstatus(phba, piocbq));
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
+			"0145 Ignoring unsolicited CT HBQ Size:%d "
+			"status = x%x\n",
+			size, get_job_ulpstatus(phba, piocbq));
+}
+
+static void
+lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
+		     struct lpfc_dmabuf *mp, uint32_t size)
+{
+	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
+}
+
+/**
+ * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
+ * @phba : pointer to lpfc hba data structure.
+ * @cmdiocb : pointer to lpfc command iocb data structure.
+ * @rspiocb : pointer to lpfc response iocb data structure.
+ *
+ * This routine is the callback function for issuing unsol ct reject command.
+ * The memory allocated in the reject command path is freed up here.
+ **/
+static void
+lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+		   struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_nodelist *ndlp;
+	struct lpfc_dmabuf *mp, *bmp;
+
+	ndlp = cmdiocb->ndlp;
+	if (ndlp)
+		lpfc_nlp_put(ndlp);
+
+	mp = cmdiocb->rsp_dmabuf;
+	bmp = cmdiocb->bpl_dmabuf;
+	if (mp) {
+		lpfc_mbuf_free(phba, mp->virt, mp->phys);
+		kfree(mp);
+		cmdiocb->rsp_dmabuf = NULL;
+	}
+
+	if (bmp) {
+		lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+		kfree(bmp);
+		cmdiocb->bpl_dmabuf = NULL;
+	}
+
+	lpfc_sli_release_iocbq(phba, cmdiocb);
+}
+
+/**
+ * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands
+ * @ndlp: pointer to a node-list data structure.
+ * @ct_req: pointer to the CT request data structure.
+ * @ulp_context: context of received UNSOL CT command
+ * @ox_id: ox_id of the UNSOL CT command
+ *
+ * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
+ * a reject response. Reject response is sent for the unhandled commands.
+ **/
+static void
+lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
+		     struct lpfc_sli_ct_request *ct_req,
+		     u16 ulp_context, u16 ox_id)
+{
+	struct lpfc_vport *vport = ndlp->vport;
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_sli_ct_request *ct_rsp;
+	struct lpfc_iocbq *cmdiocbq = NULL;
+	struct lpfc_dmabuf *bmp = NULL;
+	struct lpfc_dmabuf *mp = NULL;
+	struct ulp_bde64 *bpl;
+	u8 rc = 0;
+	u32 tmo;
+
+	/* fill in BDEs for command */
+	mp = kmalloc(sizeof(*mp), GFP_KERNEL);
+	if (!mp) {
+		rc = 1;
+		goto ct_exit;
+	}
+
+	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
+	if (!mp->virt) {
+		rc = 2;
+		goto ct_free_mp;
+	}
+
+	/* Allocate buffer for Buffer ptr list */
+	bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
+	if (!bmp) {
+		rc = 3;
+		goto ct_free_mpvirt;
+	}
+
+	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
+	if (!bmp->virt) {
+		rc = 4;
+		goto ct_free_bmp;
+	}
+
+	INIT_LIST_HEAD(&mp->list);
+	INIT_LIST_HEAD(&bmp->list);
+
+	bpl = (struct ulp_bde64 *)bmp->virt;
+	memset(bpl, 0, sizeof(struct ulp_bde64));
+	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
+	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
+	bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+	bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
+	bpl->tus.w = le32_to_cpu(bpl->tus.w);
+
+	ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
+	memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
+
+	ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
+	ct_rsp->RevisionId.bits.InId = 0;
+	ct_rsp->FsType = ct_req->FsType;
+	ct_rsp->FsSubType = ct_req->FsSubType;
+	ct_rsp->CommandResponse.bits.Size = 0;
+	ct_rsp->CommandResponse.bits.CmdRsp =
+		cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
+	ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
+	ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
+
+	cmdiocbq = lpfc_sli_get_iocbq(phba);
+	if (!cmdiocbq) {
+		rc = 5;
+		goto ct_free_bmpvirt;
+	}
+
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp,
+					 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
+					 ox_id, 1, FC_RCTL_DD_SOL_CTL, 1,
+					 CMD_XMIT_SEQUENCE64_WQE);
+	} else {
+		lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1,
+					 FC_RCTL_DD_SOL_CTL, 1,
+					 CMD_XMIT_SEQUENCE64_CX);
+	}
+
+	/* Save for completion so we can release these resources */
+	cmdiocbq->rsp_dmabuf = mp;
+	cmdiocbq->bpl_dmabuf = bmp;
+	cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl;
+	tmo = (3 * phba->fc_ratov);
+
+	cmdiocbq->retry = 0;
+	cmdiocbq->vport = vport;
+	cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
+
+	cmdiocbq->ndlp = lpfc_nlp_get(ndlp);
+	if (!cmdiocbq->ndlp)
+		goto ct_no_ndlp;
+
+	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
+	if (rc) {
+		lpfc_nlp_put(ndlp);
+		goto ct_no_ndlp;
+	}
+	return;
+
+ct_no_ndlp:
+	rc = 6;
+	lpfc_sli_release_iocbq(phba, cmdiocbq);
+ct_free_bmpvirt:
+	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+ct_free_bmp:
+	kfree(bmp);
+ct_free_mpvirt:
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ct_free_mp:
+	kfree(mp);
+ct_exit:
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+			 "6440 Unsol CT: Rsp err %d Data: x%x\n",
+			 rc, vport->fc_flag);
+}
+
+/**
+ * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
+ * @phba: pointer to lpfc hba data structure.
+ * @ctiocbq: pointer to lpfc CT command iocb data structure.
+ *
+ * This routine is used for processing the IOCB associated with a unsolicited
+ * CT MIB request. It first determines whether there is an existing ndlp that
+ * matches the DID from the unsolicited IOCB. If not, it will return.
+ **/
+static void
+lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
+{
+	struct lpfc_sli_ct_request *ct_req;
+	struct lpfc_nodelist *ndlp = NULL;
+	struct lpfc_vport *vport = ctiocbq->vport;
+	u32 ulp_status = get_job_ulpstatus(phba, ctiocbq);
+	u32 ulp_word4 = get_job_word4(phba, ctiocbq);
+	u32 did;
+	u16 mi_cmd;
+
+	did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
+	if (ulp_status) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+				 "6438 Unsol CT: status:x%x/x%x did : x%x\n",
+				 ulp_status, ulp_word4, did);
+		return;
+	}
+
+	/* Ignore traffic received during vport shutdown */
+	if (vport->fc_flag & FC_UNLOADING)
+		return;
+
+	ndlp = lpfc_findnode_did(vport, did);
+	if (!ndlp) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+				 "6439 Unsol CT: NDLP Not Found for DID : x%x",
+				 did);
+		return;
+	}
+
+	ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
+
+	mi_cmd = be16_to_cpu(ct_req->CommandResponse.bits.CmdRsp);
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+			 "6442 : MI Cmd : x%x Not Supported\n", mi_cmd);
+	lpfc_ct_reject_event(ndlp, ct_req,
+			     bf_get(wqe_ctxt_tag,
+				    &ctiocbq->wqe.xmit_els_rsp.wqe_com),
+			     bf_get(wqe_rcvoxid,
+				    &ctiocbq->wqe.xmit_els_rsp.wqe_com));
+}
+
+/**
+ * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
+ * @phba: pointer to lpfc hba data structure.
+ * @pring: pointer to a SLI ring.
+ * @ctiocbq: pointer to lpfc ct iocb data structure.
+ *
+ * This routine is used to process an unsolicited event received from a SLI
+ * (Service Level Interface) ring. The actual processing of the data buffer
+ * associated with the unsolicited event is done by invoking appropriate routine
+ * after properly set up the iocb buffer from the SLI ring on which the
+ * unsolicited event was received.
+ **/
+void
+lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
+		    struct lpfc_iocbq *ctiocbq)
+{
+	struct lpfc_dmabuf *mp = NULL;
+	IOCB_t *icmd = &ctiocbq->iocb;
+	int i;
+	struct lpfc_iocbq *iocbq;
+	struct lpfc_iocbq *iocb;
+	dma_addr_t dma_addr;
+	uint32_t size;
+	struct list_head head;
+	struct lpfc_sli_ct_request *ct_req;
+	struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf;
+	struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf;
+	u32 status, parameter, bde_count = 0;
+	struct lpfc_wcqe_complete *wcqe_cmpl = NULL;
+
+	ctiocbq->cmd_dmabuf = NULL;
+	ctiocbq->rsp_dmabuf = NULL;
+	ctiocbq->bpl_dmabuf = NULL;
+
+	wcqe_cmpl = &ctiocbq->wcqe_cmpl;
+	status = get_job_ulpstatus(phba, ctiocbq);
+	parameter = get_job_word4(phba, ctiocbq);
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		bde_count = wcqe_cmpl->word3;
+	else
+		bde_count = icmd->ulpBdeCount;
+
+	if (unlikely(status == IOSTAT_NEED_BUFFER)) {
+		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
+	} else if ((status == IOSTAT_LOCAL_REJECT) &&
+		   ((parameter & IOERR_PARAM_MASK) ==
+		   IOERR_RCV_BUFFER_WAITING)) {
+		/* Not enough posted buffers; Try posting more buffers */
+		phba->fc_stat.NoRcvBuf++;
+		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
+			lpfc_sli3_post_buffer(phba, pring, 2);
+		return;
+	}
+
+	/* If there are no BDEs associated
+	 * with this IOCB, there is nothing to do.
+	 */
+	if (bde_count == 0)
+		return;
+
+	ctiocbq->cmd_dmabuf = bdeBuf1;
+	if (bde_count == 2)
+		ctiocbq->bpl_dmabuf = bdeBuf2;
+
+	ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
+
+	if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
+	    ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
+		lpfc_ct_handle_mibreq(phba, ctiocbq);
+	} else {
+		if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
+			return;
+	}
+
+	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+		INIT_LIST_HEAD(&head);
+		list_add_tail(&head, &ctiocbq->list);
+		list_for_each_entry(iocb, &head, list) {
+			if (phba->sli_rev == LPFC_SLI_REV4)
+				bde_count = iocb->wcqe_cmpl.word3;
+			else
+				bde_count = iocb->iocb.ulpBdeCount;
+
+			if (!bde_count)
+				continue;
+			bdeBuf1 = iocb->cmd_dmabuf;
+			iocb->cmd_dmabuf = NULL;
+			if (phba->sli_rev == LPFC_SLI_REV4)
+				size = iocb->wqe.gen_req.bde.tus.f.bdeSize;
+			else
+				size  = iocb->iocb.un.cont64[0].tus.f.bdeSize;
+			lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
+			lpfc_in_buf_free(phba, bdeBuf1);
+			if (bde_count == 2) {
+				bdeBuf2 = iocb->bpl_dmabuf;
+				iocb->bpl_dmabuf = NULL;
+				if (phba->sli_rev == LPFC_SLI_REV4)
+					size = iocb->unsol_rcv_len;
+				else
+					size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize;
+				lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
+						     size);
+				lpfc_in_buf_free(phba, bdeBuf2);
+			}
+		}
+		list_del(&head);
+	} else {
+		INIT_LIST_HEAD(&head);
+		list_add_tail(&head, &ctiocbq->list);
+		list_for_each_entry(iocbq, &head, list) {
+			icmd = &iocbq->iocb;
+			if (icmd->ulpBdeCount == 0)
+				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
+			for (i = 0; i < icmd->ulpBdeCount; i++) {
+				dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
+						    icmd->un.cont64[i].addrLow);
+				mp = lpfc_sli_ringpostbuf_get(phba, pring,
+							      dma_addr);
+				size = icmd->un.cont64[i].tus.f.bdeSize;
+				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
+				lpfc_in_buf_free(phba, mp);
+			}
+			lpfc_sli3_post_buffer(phba, pring, i);
+		}
+		list_del(&head);
+	}
+}
+
+/**
+ * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
+ * @phba: Pointer to HBA context object.
+ * @dmabuf: pointer to a dmabuf that describes the FC sequence
+ *
+ * This function serves as the upper level protocol abort handler for CT
+ * protocol.
+ *
+ * Return 1 if abort has been handled, 0 otherwise.
+ **/
+int
+lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
+{
+	int handled;
+
+	/* CT upper level goes through BSG */
+	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
+
+	return handled;
+}
+
+static void
+lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
+{
+	struct lpfc_dmabuf *mlast, *next_mlast;
+
+	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
+		list_del(&mlast->list);
+		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
+		kfree(mlast);
+	}
+	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
+	kfree(mlist);
+	return;
+}
+
+static struct lpfc_dmabuf *
+lpfc_alloc_ct_rsp(struct lpfc_hba *phba, __be16 cmdcode, struct ulp_bde64 *bpl,
+		  uint32_t size, int *entries)
+{
+	struct lpfc_dmabuf *mlist = NULL;
+	struct lpfc_dmabuf *mp;
+	int cnt, i = 0;
+
+	/* We get chunks of FCELSSIZE */
+	cnt = size > FCELSSIZE ? FCELSSIZE: size;
+
+	while (size) {
+		/* Allocate buffer for rsp payload */
+		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+		if (!mp) {
+			if (mlist)
+				lpfc_free_ct_rsp(phba, mlist);
+			return NULL;
+		}
+
+		INIT_LIST_HEAD(&mp->list);
+
+		if (be16_to_cpu(cmdcode) == SLI_CTNS_GID_FT ||
+		    be16_to_cpu(cmdcode) == SLI_CTNS_GFF_ID)
+			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
+		else
+			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
+
+		if (!mp->virt) {
+			kfree(mp);
+			if (mlist)
+				lpfc_free_ct_rsp(phba, mlist);
+			return NULL;
+		}
+
+		/* Queue it to a linked list */
+		if (!mlist)
+			mlist = mp;
+		else
+			list_add_tail(&mp->list, &mlist->list);
+
+		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
+		/* build buffer ptr list for IOCB */
+		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
+		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
+		bpl->tus.f.bdeSize = (uint16_t) cnt;
+		bpl->tus.w = le32_to_cpu(bpl->tus.w);
+		bpl++;
+
+		i++;
+		size -= cnt;
+	}
+
+	*entries = i;
+	return mlist;
+}
+
+int
+lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
+{
+	struct lpfc_dmabuf *buf_ptr;
+
+	/* IOCBQ job structure gets cleaned during release.  Just release
+	 * the dma buffers here.
+	 */
+	if (ctiocb->cmd_dmabuf) {
+		buf_ptr = ctiocb->cmd_dmabuf;
+		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
+		kfree(buf_ptr);
+		ctiocb->cmd_dmabuf = NULL;
+	}
+	if (ctiocb->rsp_dmabuf) {
+		lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf);
+		ctiocb->rsp_dmabuf = NULL;
+	}
+
+	if (ctiocb->bpl_dmabuf) {
+		buf_ptr = ctiocb->bpl_dmabuf;
+		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
+		kfree(buf_ptr);
+		ctiocb->bpl_dmabuf = NULL;
+	}
+	lpfc_sli_release_iocbq(phba, ctiocb);
+	return 0;
+}
+
+/*
+ * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @bmp: Pointer to BPL for SLI command
+ * @inp: Pointer to data buffer for response data.
+ * @outp: Pointer to data buffer that hold the CT command.
+ * @cmpl: completion routine to call when command completes
+ * @ndlp: Destination NPort nodelist entry
+ *
+ * This function as the final part for issuing a CT command.
+ */
+static int
+lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
+	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
+	     void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
+			  struct lpfc_iocbq *),
+	     struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
+	     uint32_t tmo, uint8_t retry)
+{
+	struct lpfc_hba  *phba = vport->phba;
+	struct lpfc_iocbq *geniocb;
+	int rc;
+	u16 ulp_context;
+
+	/* Allocate buffer for  command iocb */
+	geniocb = lpfc_sli_get_iocbq(phba);
+
+	if (geniocb == NULL)
+		return 1;
+
+	/* Update the num_entry bde count */
+	geniocb->num_bdes = num_entry;
+
+	geniocb->bpl_dmabuf = bmp;
+
+	/* Save for completion so we can release these resources */
+	geniocb->cmd_dmabuf = inp;
+	geniocb->rsp_dmabuf = outp;
+
+	geniocb->event_tag = event_tag;
+
+	if (!tmo) {
+		 /* FC spec states we need 3 * ratov for CT requests */
+		tmo = (3 * phba->fc_ratov);
+	}
+
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
+	else
+		ulp_context = ndlp->nlp_rpi;
+
+	lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo);
+
+	/* Issue GEN REQ IOCB for NPORT <did> */
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+			 "0119 Issue GEN REQ IOCB to NPORT x%x "
+			 "Data: x%x x%x\n",
+			 ndlp->nlp_DID, geniocb->iotag,
+			 vport->port_state);
+	geniocb->cmd_cmpl = cmpl;
+	geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
+	geniocb->vport = vport;
+	geniocb->retry = retry;
+	geniocb->ndlp = lpfc_nlp_get(ndlp);
+	if (!geniocb->ndlp)
+		goto out;
+
+	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
+	if (rc == IOCB_ERROR) {
+		lpfc_nlp_put(ndlp);
+		goto out;
+	}
+
+	return 0;
+out:
+	lpfc_sli_release_iocbq(phba, geniocb);
+	return 1;
+}
+
+/*
+ * lpfc_ct_cmd - Build and issue a CT command
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @inmp: Pointer to data buffer for response data.
+ * @bmp: Pointer to BPL for SLI command
+ * @ndlp: Destination NPort nodelist entry
+ * @cmpl: completion routine to call when command completes
+ *
+ * This function is called for issuing a CT command.
+ */
+static int
+lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
+	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
+	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
+			  struct lpfc_iocbq *),
+	    uint32_t rsp_size, uint8_t retry)
+{
+	struct lpfc_hba  *phba = vport->phba;
+	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
+	struct lpfc_dmabuf *outmp;
+	int cnt = 0, status;
+	__be16 cmdcode = ((struct lpfc_sli_ct_request *)inmp->virt)->
+		CommandResponse.bits.CmdRsp;
+
+	bpl++;			/* Skip past ct request */
+
+	/* Put buffer(s) for ct rsp in bpl */
+	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
+	if (!outmp)
+		return -ENOMEM;
+	/*
+	 * Form the CT IOCB.  The total number of BDEs in this IOCB
+	 * is the single command plus response count from
+	 * lpfc_alloc_ct_rsp.
+	 */
+	cnt += 1;
+	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
+			phba->fc_eventTag, cnt, 0, retry);
+	if (status) {
+		lpfc_free_ct_rsp(phba, outmp);
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+struct lpfc_vport *
+lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
+	struct lpfc_vport *vport_curr;
+	unsigned long flags;
+
+	spin_lock_irqsave(&phba->port_list_lock, flags);
+	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
+		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
+			spin_unlock_irqrestore(&phba->port_list_lock, flags);
+			return vport_curr;
+		}
+	}
+	spin_unlock_irqrestore(&phba->port_list_lock, flags);
+	return NULL;
+}
+
+static void
+lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
+{
+	struct lpfc_nodelist *ndlp;
+
+	if ((vport->port_type != LPFC_NPIV_PORT) ||
+	    !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
+
+		ndlp = lpfc_setup_disc_node(vport, Did);
+
+		if (ndlp) {
+			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+				"Parse GID_FTrsp: did:x%x flg:x%x x%x",
+				Did, ndlp->nlp_flag, vport->fc_flag);
+
+			/* By default, the driver expects to support FCP FC4 */
+			if (fc4_type == FC_TYPE_FCP)
+				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
+
+			if (fc4_type == FC_TYPE_NVME)
+				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
+
+			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+					 "0238 Process x%06x NameServer Rsp "
+					 "Data: x%x x%x x%x x%x x%x\n", Did,
+					 ndlp->nlp_flag, ndlp->nlp_fc4_type,
+					 ndlp->nlp_state, vport->fc_flag,
+					 vport->fc_rscn_id_cnt);
+
+			/* if ndlp needs to be discovered and prior
+			 * state of ndlp hit devloss, change state to
+			 * allow rediscovery.
+			 */
+			if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
+			    ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
+				lpfc_nlp_set_state(vport, ndlp,
+						   NLP_STE_NPR_NODE);
+			}
+		} else {
+			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+				"Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
+				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
+
+			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+					 "0239 Skip x%06x NameServer Rsp "
+					 "Data: x%x x%x x%px\n",
+					 Did, vport->fc_flag,
+					 vport->fc_rscn_id_cnt, ndlp);
+		}
+	} else {
+		if (!(vport->fc_flag & FC_RSCN_MODE) ||
+		    lpfc_rscn_payload_check(vport, Did)) {
+			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+				"Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
+				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
+
+			/*
+			 * This NPortID was previously a FCP/NVMe target,
+			 * Don't even bother to send GFF_ID.
+			 */
+			ndlp = lpfc_findnode_did(vport, Did);
+			if (ndlp &&
+			    (ndlp->nlp_type &
+			    (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
+				if (fc4_type == FC_TYPE_FCP)
+					ndlp->nlp_fc4_type |= NLP_FC4_FCP;
+				if (fc4_type == FC_TYPE_NVME)
+					ndlp->nlp_fc4_type |= NLP_FC4_NVME;
+				lpfc_setup_disc_node(vport, Did);
+			} else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
+				   0, Did) == 0)
+				vport->num_disc_nodes++;
+			else
+				lpfc_setup_disc_node(vport, Did);
+		} else {
+			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+				"Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
+				Did, vport->fc_flag, vport->fc_rscn_id_cnt);
+
+			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+					 "0245 Skip x%06x NameServer Rsp "
+					 "Data: x%x x%x\n", Did,
+					 vport->fc_flag,
+					 vport->fc_rscn_id_cnt);
+		}
+	}
+}
+
+static void
+lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
+{
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_nodelist *ndlp = NULL;
+	char *str;
+
+	if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
+		str = "GID_FT";
+	else
+		str = "GID_PT";
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+			 "6430 Process %s rsp for %08x type %x %s %s\n",
+			 str, Did, fc4_type,
+			 (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
+			 (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
+	/*
+	 * To conserve rpi's, filter out addresses for other
+	 * vports on the same physical HBAs.
+	 */
+	if (Did != vport->fc_myDID &&
+	    (!lpfc_find_vport_by_did(phba, Did) ||
+	     vport->cfg_peer_port_login)) {
+		if (!phba->nvmet_support) {
+			/* FCPI/NVMEI path. Process Did */
+			lpfc_prep_node_fc4type(vport, Did, fc4_type);
+			return;
+		}
+		/* NVMET path.  NVMET only cares about NVMEI nodes. */
+		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+			if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
+			    ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
+				continue;
+			spin_lock_irq(&ndlp->lock);
+			if (ndlp->nlp_DID == Did)
+				ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
+			else
+				ndlp->nlp_flag |= NLP_NVMET_RECOV;
+			spin_unlock_irq(&ndlp->lock);
+		}
+	}
+}
+
+static int
+lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
+	    uint32_t Size)
+{
+	struct lpfc_sli_ct_request *Response =
+		(struct lpfc_sli_ct_request *) mp->virt;
+	struct lpfc_dmabuf *mlast, *next_mp;
+	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
+	uint32_t Did, CTentry;
+	int Cnt;
+	struct list_head head;
+	struct lpfc_nodelist *ndlp = NULL;
+
+	lpfc_set_disctmo(vport);
+	vport->num_disc_nodes = 0;
+	vport->fc_ns_retry = 0;
+
+
+	list_add_tail(&head, &mp->list);
+	list_for_each_entry_safe(mp, next_mp, &head, list) {
+		mlast = mp;
+
+		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
+
+		Size -= Cnt;
+
+		if (!ctptr) {
+			ctptr = (uint32_t *) mlast->virt;
+		} else
+			Cnt -= 16;	/* subtract length of CT header */
+
+		/* Loop through entire NameServer list of DIDs */
+		while (Cnt >= sizeof(uint32_t)) {
+			/* Get next DID from NameServer List */
+			CTentry = *ctptr++;
+			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
+			lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
+			if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
+				goto nsout1;
+
+			Cnt -= sizeof(uint32_t);
+		}
+		ctptr = NULL;
+
+	}
+
+	/* All GID_FT entries processed.  If the driver is running in
+	 * in target mode, put impacted nodes into recovery and drop
+	 * the RPI to flush outstanding IO.
+	 */
+	if (vport->phba->nvmet_support) {
+		list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+			if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
+				continue;
+			lpfc_disc_state_machine(vport, ndlp, NULL,
+						NLP_EVT_DEVICE_RECOVERY);
+			spin_lock_irq(&ndlp->lock);
+			ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
+			spin_unlock_irq(&ndlp->lock);
+		}
+	}
+
+nsout1:
+	list_del(&head);
+	return 0;
+}
+
+static void
+lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_dmabuf *outp;
+	struct lpfc_dmabuf *inp;
+	struct lpfc_sli_ct_request *CTrsp;
+	struct lpfc_sli_ct_request *CTreq;
+	struct lpfc_nodelist *ndlp;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+	u32 ulp_word4 = get_job_word4(phba, rspiocb);
+	int rc, type;
+
+	/* First save ndlp, before we overwrite it */
+	ndlp = cmdiocb->ndlp;
+
+	/* we pass cmdiocb to state machine which needs rspiocb as well */
+	cmdiocb->rsp_iocb = rspiocb;
+	inp = cmdiocb->cmd_dmabuf;
+	outp = cmdiocb->rsp_dmabuf;
+
+	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
+		ulp_status, ulp_word4, vport->fc_ns_retry);
+
+	/* Ignore response if link flipped after this request was made */
+	if (cmdiocb->event_tag != phba->fc_eventTag) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "9043 Event tag mismatch. Ignoring NS rsp\n");
+		goto out;
+	}
+
+	/* Don't bother processing response if vport is being torn down. */
+	if (vport->load_flag & FC_UNLOADING) {
+		if (vport->fc_flag & FC_RSCN_MODE)
+			lpfc_els_flush_rscn(vport);
+		goto out;
+	}
+
+	if (lpfc_els_chk_latt(vport)) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "0216 Link event during NS query\n");
+		if (vport->fc_flag & FC_RSCN_MODE)
+			lpfc_els_flush_rscn(vport);
+		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
+		goto out;
+	}
+	if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "0226 NS query failed due to link event: "
+				 "ulp_status x%x ulp_word4 x%x fc_flag x%x "
+				 "port_state x%x gidft_inp x%x\n",
+				 ulp_status, ulp_word4, vport->fc_flag,
+				 vport->port_state, vport->gidft_inp);
+		if (vport->fc_flag & FC_RSCN_MODE)
+			lpfc_els_flush_rscn(vport);
+		if (vport->gidft_inp)
+			vport->gidft_inp--;
+		goto out;
+	}
+
+	spin_lock_irq(shost->host_lock);
+	if (vport->fc_flag & FC_RSCN_DEFERRED) {
+		vport->fc_flag &= ~FC_RSCN_DEFERRED;
+		spin_unlock_irq(shost->host_lock);
+
+		/* This is a GID_FT completing so the gidft_inp counter was
+		 * incremented before the GID_FT was issued to the wire.
+		 */
+		if (vport->gidft_inp)
+			vport->gidft_inp--;
+
+		/*
+		 * Skip processing the NS response
+		 * Re-issue the NS cmd
+		 */
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+				 "0151 Process Deferred RSCN Data: x%x x%x\n",
+				 vport->fc_flag, vport->fc_rscn_id_cnt);
+		lpfc_els_handle_rscn(vport);
+
+		goto out;
+	}
+	spin_unlock_irq(shost->host_lock);
+
+	if (ulp_status) {
+		/* Check for retry */
+		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
+			if (ulp_status != IOSTAT_LOCAL_REJECT ||
+			    (ulp_word4 & IOERR_PARAM_MASK) !=
+			    IOERR_NO_RESOURCES)
+				vport->fc_ns_retry++;
+
+			type = lpfc_get_gidft_type(vport, cmdiocb);
+			if (type == 0)
+				goto out;
+
+			/* CT command is being retried */
+			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
+					 vport->fc_ns_retry, type);
+			if (rc == 0)
+				goto out;
+			else { /* Unable to send NS cmd */
+				if (vport->gidft_inp)
+					vport->gidft_inp--;
+			}
+		}
+		if (vport->fc_flag & FC_RSCN_MODE)
+			lpfc_els_flush_rscn(vport);
+		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+				 "0257 GID_FT Query error: 0x%x 0x%x\n",
+				 ulp_status, vport->fc_ns_retry);
+	} else {
+		/* Good status, continue checking */
+		CTreq = (struct lpfc_sli_ct_request *) inp->virt;
+		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+		if (CTrsp->CommandResponse.bits.CmdRsp ==
+		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
+			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+					 "0208 NameServer Rsp Data: x%x x%x "
+					 "x%x x%x sz x%x\n",
+					 vport->fc_flag,
+					 CTreq->un.gid.Fc4Type,
+					 vport->num_disc_nodes,
+					 vport->gidft_inp,
+					 get_job_data_placed(phba, rspiocb));
+
+			lpfc_ns_rsp(vport,
+				    outp,
+				    CTreq->un.gid.Fc4Type,
+				    get_job_data_placed(phba, rspiocb));
+		} else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+			   SLI_CT_RESPONSE_FS_RJT) {
+			/* NameServer Rsp Error */
+			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
+			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
+				lpfc_printf_vlog(vport, KERN_INFO,
+					LOG_DISCOVERY,
+					"0269 No NameServer Entries "
+					"Data: x%x x%x x%x x%x\n",
+					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+					(uint32_t) CTrsp->ReasonCode,
+					(uint32_t) CTrsp->Explanation,
+					vport->fc_flag);
+
+				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
+				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+				(uint32_t) CTrsp->ReasonCode,
+				(uint32_t) CTrsp->Explanation);
+			} else {
+				lpfc_printf_vlog(vport, KERN_INFO,
+					LOG_DISCOVERY,
+					"0240 NameServer Rsp Error "
+					"Data: x%x x%x x%x x%x\n",
+					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+					(uint32_t) CTrsp->ReasonCode,
+					(uint32_t) CTrsp->Explanation,
+					vport->fc_flag);
+
+				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
+				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+				(uint32_t) CTrsp->ReasonCode,
+				(uint32_t) CTrsp->Explanation);
+			}
+
+
+		} else {
+			/* NameServer Rsp Error */
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+					"0241 NameServer Rsp Error "
+					"Data: x%x x%x x%x x%x\n",
+					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+					(uint32_t) CTrsp->ReasonCode,
+					(uint32_t) CTrsp->Explanation,
+					vport->fc_flag);
+
+			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
+				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+				(uint32_t) CTrsp->ReasonCode,
+				(uint32_t) CTrsp->Explanation);
+		}
+		if (vport->gidft_inp)
+			vport->gidft_inp--;
+	}
+
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+			 "4216 GID_FT cmpl inp %d disc %d\n",
+			 vport->gidft_inp, vport->num_disc_nodes);
+
+	/* Link up / RSCN discovery */
+	if ((vport->num_disc_nodes == 0) &&
+	    (vport->gidft_inp == 0)) {
+		/*
+		 * The driver has cycled through all Nports in the RSCN payload.
+		 * Complete the handling by cleaning up and marking the
+		 * current driver state.
+		 */
+		if (vport->port_state >= LPFC_DISC_AUTH) {
+			if (vport->fc_flag & FC_RSCN_MODE) {
+				lpfc_els_flush_rscn(vport);
+				spin_lock_irq(shost->host_lock);
+				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
+				spin_unlock_irq(shost->host_lock);
+			}
+			else
+				lpfc_els_flush_rscn(vport);
+		}
+
+		lpfc_disc_start(vport);
+	}
+out:
+	lpfc_ct_free_iocb(phba, cmdiocb);
+	lpfc_nlp_put(ndlp);
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_dmabuf *outp;
+	struct lpfc_dmabuf *inp;
+	struct lpfc_sli_ct_request *CTrsp;
+	struct lpfc_sli_ct_request *CTreq;
+	struct lpfc_nodelist *ndlp;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+	u32 ulp_word4 = get_job_word4(phba, rspiocb);
+	int rc;
+
+	/* First save ndlp, before we overwrite it */
+	ndlp = cmdiocb->ndlp;
+
+	/* we pass cmdiocb to state machine which needs rspiocb as well */
+	cmdiocb->rsp_iocb = rspiocb;
+	inp = cmdiocb->cmd_dmabuf;
+	outp = cmdiocb->rsp_dmabuf;
+
+	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+			      "GID_PT cmpl:     status:x%x/x%x rtry:%d",
+			      ulp_status, ulp_word4,
+			      vport->fc_ns_retry);
+
+	/* Ignore response if link flipped after this request was made */
+	if (cmdiocb->event_tag != phba->fc_eventTag) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "9044 Event tag mismatch. Ignoring NS rsp\n");
+		goto out;
+	}
+
+	/* Don't bother processing response if vport is being torn down. */
+	if (vport->load_flag & FC_UNLOADING) {
+		if (vport->fc_flag & FC_RSCN_MODE)
+			lpfc_els_flush_rscn(vport);
+		goto out;
+	}
+
+	if (lpfc_els_chk_latt(vport)) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "4108 Link event during NS query\n");
+		if (vport->fc_flag & FC_RSCN_MODE)
+			lpfc_els_flush_rscn(vport);
+		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
+		goto out;
+	}
+	if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "4166 NS query failed due to link event: "
+				 "ulp_status x%x ulp_word4 x%x fc_flag x%x "
+				 "port_state x%x gidft_inp x%x\n",
+				 ulp_status, ulp_word4, vport->fc_flag,
+				 vport->port_state, vport->gidft_inp);
+		if (vport->fc_flag & FC_RSCN_MODE)
+			lpfc_els_flush_rscn(vport);
+		if (vport->gidft_inp)
+			vport->gidft_inp--;
+		goto out;
+	}
+
+	spin_lock_irq(shost->host_lock);
+	if (vport->fc_flag & FC_RSCN_DEFERRED) {
+		vport->fc_flag &= ~FC_RSCN_DEFERRED;
+		spin_unlock_irq(shost->host_lock);
+
+		/* This is a GID_PT completing so the gidft_inp counter was
+		 * incremented before the GID_PT was issued to the wire.
+		 */
+		if (vport->gidft_inp)
+			vport->gidft_inp--;
+
+		/*
+		 * Skip processing the NS response
+		 * Re-issue the NS cmd
+		 */
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+				 "4167 Process Deferred RSCN Data: x%x x%x\n",
+				 vport->fc_flag, vport->fc_rscn_id_cnt);
+		lpfc_els_handle_rscn(vport);
+
+		goto out;
+	}
+	spin_unlock_irq(shost->host_lock);
+
+	if (ulp_status) {
+		/* Check for retry */
+		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
+			if (ulp_status != IOSTAT_LOCAL_REJECT ||
+			    (ulp_word4 & IOERR_PARAM_MASK) !=
+			    IOERR_NO_RESOURCES)
+				vport->fc_ns_retry++;
+
+			/* CT command is being retried */
+			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
+					 vport->fc_ns_retry, GID_PT_N_PORT);
+			if (rc == 0)
+				goto out;
+			else { /* Unable to send NS cmd */
+				if (vport->gidft_inp)
+					vport->gidft_inp--;
+			}
+		}
+		if (vport->fc_flag & FC_RSCN_MODE)
+			lpfc_els_flush_rscn(vport);
+		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+				 "4103 GID_FT Query error: 0x%x 0x%x\n",
+				 ulp_status, vport->fc_ns_retry);
+	} else {
+		/* Good status, continue checking */
+		CTreq = (struct lpfc_sli_ct_request *)inp->virt;
+		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
+		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+		    SLI_CT_RESPONSE_FS_ACC) {
+			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+					 "4105 NameServer Rsp Data: x%x x%x "
+					 "x%x x%x sz x%x\n",
+					 vport->fc_flag,
+					 CTreq->un.gid.Fc4Type,
+					 vport->num_disc_nodes,
+					 vport->gidft_inp,
+					 get_job_data_placed(phba, rspiocb));
+
+			lpfc_ns_rsp(vport,
+				    outp,
+				    CTreq->un.gid.Fc4Type,
+				    get_job_data_placed(phba, rspiocb));
+		} else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+			   SLI_CT_RESPONSE_FS_RJT) {
+			/* NameServer Rsp Error */
+			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
+			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
+				lpfc_printf_vlog(
+					vport, KERN_INFO, LOG_DISCOVERY,
+					"4106 No NameServer Entries "
+					"Data: x%x x%x x%x x%x\n",
+					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+					(uint32_t)CTrsp->ReasonCode,
+					(uint32_t)CTrsp->Explanation,
+					vport->fc_flag);
+
+				lpfc_debugfs_disc_trc(
+				vport, LPFC_DISC_TRC_CT,
+				"GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
+				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+				(uint32_t)CTrsp->ReasonCode,
+				(uint32_t)CTrsp->Explanation);
+			} else {
+				lpfc_printf_vlog(
+					vport, KERN_INFO, LOG_DISCOVERY,
+					"4107 NameServer Rsp Error "
+					"Data: x%x x%x x%x x%x\n",
+					be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+					(uint32_t)CTrsp->ReasonCode,
+					(uint32_t)CTrsp->Explanation,
+					vport->fc_flag);
+
+				lpfc_debugfs_disc_trc(
+				vport, LPFC_DISC_TRC_CT,
+				"GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
+				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+				(uint32_t)CTrsp->ReasonCode,
+				(uint32_t)CTrsp->Explanation);
+			}
+		} else {
+			/* NameServer Rsp Error */
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+					 "4109 NameServer Rsp Error "
+					 "Data: x%x x%x x%x x%x\n",
+					 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+					 (uint32_t)CTrsp->ReasonCode,
+					 (uint32_t)CTrsp->Explanation,
+					 vport->fc_flag);
+
+			lpfc_debugfs_disc_trc(
+				vport, LPFC_DISC_TRC_CT,
+				"GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
+				be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+				(uint32_t)CTrsp->ReasonCode,
+				(uint32_t)CTrsp->Explanation);
+		}
+		if (vport->gidft_inp)
+			vport->gidft_inp--;
+	}
+
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+			 "6450 GID_PT cmpl inp %d disc %d\n",
+			 vport->gidft_inp, vport->num_disc_nodes);
+
+	/* Link up / RSCN discovery */
+	if ((vport->num_disc_nodes == 0) &&
+	    (vport->gidft_inp == 0)) {
+		/*
+		 * The driver has cycled through all Nports in the RSCN payload.
+		 * Complete the handling by cleaning up and marking the
+		 * current driver state.
+		 */
+		if (vport->port_state >= LPFC_DISC_AUTH) {
+			if (vport->fc_flag & FC_RSCN_MODE) {
+				lpfc_els_flush_rscn(vport);
+				spin_lock_irq(shost->host_lock);
+				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
+				spin_unlock_irq(shost->host_lock);
+			} else {
+				lpfc_els_flush_rscn(vport);
+			}
+		}
+
+		lpfc_disc_start(vport);
+	}
+out:
+	lpfc_ct_free_iocb(phba, cmdiocb);
+	lpfc_nlp_put(ndlp);
+}
+
+static void
+lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
+	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
+	struct lpfc_sli_ct_request *CTrsp;
+	int did, rc, retry;
+	uint8_t fbits;
+	struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+	u32 ulp_word4 = get_job_word4(phba, rspiocb);
+
+	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
+	did = be32_to_cpu(did);
+
+	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
+		ulp_status, ulp_word4, did);
+
+	/* Ignore response if link flipped after this request was made */
+	if (cmdiocb->event_tag != phba->fc_eventTag) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "9045 Event tag mismatch. Ignoring NS rsp\n");
+		goto iocb_free;
+	}
+
+	if (ulp_status == IOSTAT_SUCCESS) {
+		/* Good status, continue checking */
+		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
+
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "6431 Process GFF_ID rsp for %08x "
+				 "fbits %02x %s %s\n",
+				 did, fbits,
+				 (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
+				 (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
+
+		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+		    SLI_CT_RESPONSE_FS_ACC) {
+			if ((fbits & FC4_FEATURE_INIT) &&
+			    !(fbits & FC4_FEATURE_TARGET)) {
+				lpfc_printf_vlog(vport, KERN_INFO,
+						 LOG_DISCOVERY,
+						 "0270 Skip x%x GFF "
+						 "NameServer Rsp Data: (init) "
+						 "x%x x%x\n", did, fbits,
+						 vport->fc_rscn_id_cnt);
+				goto out;
+			}
+		}
+	}
+	else {
+		/* Check for retry */
+		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
+			retry = 1;
+			if (ulp_status == IOSTAT_LOCAL_REJECT) {
+				switch ((ulp_word4 &
+					IOERR_PARAM_MASK)) {
+
+				case IOERR_NO_RESOURCES:
+					/* We don't increment the retry
+					 * count for this case.
+					 */
+					break;
+				case IOERR_LINK_DOWN:
+				case IOERR_SLI_ABORTED:
+				case IOERR_SLI_DOWN:
+					retry = 0;
+					break;
+				default:
+					cmdiocb->retry++;
+				}
+			}
+			else
+				cmdiocb->retry++;
+
+			if (retry) {
+				/* CT command is being retried */
+				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
+					 cmdiocb->retry, did);
+				if (rc == 0) {
+					/* success */
+					free_ndlp = cmdiocb->ndlp;
+					lpfc_ct_free_iocb(phba, cmdiocb);
+					lpfc_nlp_put(free_ndlp);
+					return;
+				}
+			}
+		}
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+				 "0267 NameServer GFF Rsp "
+				 "x%x Error (%d %d) Data: x%x x%x\n",
+				 did, ulp_status, ulp_word4,
+				 vport->fc_flag, vport->fc_rscn_id_cnt);
+	}
+
+	/* This is a target port, unregistered port, or the GFF_ID failed */
+	ndlp = lpfc_setup_disc_node(vport, did);
+	if (ndlp) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "0242 Process x%x GFF "
+				 "NameServer Rsp Data: x%x x%x x%x\n",
+				 did, ndlp->nlp_flag, vport->fc_flag,
+				 vport->fc_rscn_id_cnt);
+	} else {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "0243 Skip x%x GFF "
+				 "NameServer Rsp Data: x%x x%x\n", did,
+				 vport->fc_flag, vport->fc_rscn_id_cnt);
+	}
+out:
+	/* Link up / RSCN discovery */
+	if (vport->num_disc_nodes)
+		vport->num_disc_nodes--;
+
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+			 "6451 GFF_ID cmpl inp %d disc %d\n",
+			 vport->gidft_inp, vport->num_disc_nodes);
+
+	if (vport->num_disc_nodes == 0) {
+		/*
+		 * The driver has cycled through all Nports in the RSCN payload.
+		 * Complete the handling by cleaning up and marking the
+		 * current driver state.
+		 */
+		if (vport->port_state >= LPFC_DISC_AUTH) {
+			if (vport->fc_flag & FC_RSCN_MODE) {
+				lpfc_els_flush_rscn(vport);
+				spin_lock_irq(shost->host_lock);
+				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
+				spin_unlock_irq(shost->host_lock);
+			}
+			else
+				lpfc_els_flush_rscn(vport);
+		}
+		lpfc_disc_start(vport);
+	}
+
+iocb_free:
+	free_ndlp = cmdiocb->ndlp;
+	lpfc_ct_free_iocb(phba, cmdiocb);
+	lpfc_nlp_put(free_ndlp);
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
+	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
+	struct lpfc_sli_ct_request *CTrsp;
+	int did;
+	struct lpfc_nodelist *ndlp = NULL;
+	struct lpfc_nodelist *ns_ndlp = cmdiocb->ndlp;
+	uint32_t fc4_data_0, fc4_data_1;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+	u32 ulp_word4 = get_job_word4(phba, rspiocb);
+
+	did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
+	did = be32_to_cpu(did);
+
+	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+			      "GFT_ID cmpl: status:x%x/x%x did:x%x",
+			      ulp_status, ulp_word4, did);
+
+	/* Ignore response if link flipped after this request was made */
+	if ((uint32_t)cmdiocb->event_tag != phba->fc_eventTag) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "9046 Event tag mismatch. Ignoring NS rsp\n");
+		goto out;
+	}
+
+	if (ulp_status == IOSTAT_SUCCESS) {
+		/* Good status, continue checking */
+		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
+		fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
+		fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
+
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "6432 Process GFT_ID rsp for %08x "
+				 "Data %08x %08x %s %s\n",
+				 did, fc4_data_0, fc4_data_1,
+				 (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
+				  "FCP" : " ",
+				 (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
+				  "NVME" : " ");
+
+		/* Lookup the NPort_ID queried in the GFT_ID and find the
+		 * driver's local node.  It's an error if the driver
+		 * doesn't have one.
+		 */
+		ndlp = lpfc_findnode_did(vport, did);
+		if (ndlp) {
+			/* The bitmask value for FCP and NVME FCP types is
+			 * the same because they are 32 bits distant from
+			 * each other in word0 and word0.
+			 */
+			if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
+				ndlp->nlp_fc4_type |= NLP_FC4_FCP;
+			if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
+				ndlp->nlp_fc4_type |= NLP_FC4_NVME;
+			lpfc_printf_vlog(vport, KERN_INFO,
+					 LOG_DISCOVERY | LOG_NODE,
+					 "3064 Setting ndlp x%px, DID x%06x "
+					 "with FC4 x%08x, Data: x%08x x%08x "
+					 "%d\n",
+					 ndlp, did, ndlp->nlp_fc4_type,
+					 FC_TYPE_FCP, FC_TYPE_NVME,
+					 ndlp->nlp_state);
+
+			if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
+			    ndlp->nlp_fc4_type) {
+				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
+				/* This is a fabric topology so if discovery
+				 * started with an unsolicited PLOGI, don't
+				 * send a PRLI.  Targets don't issue PLOGI or
+				 * PRLI when acting as a target. Likely this is
+				 * an initiator function.
+				 */
+				if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) {
+					lpfc_nlp_set_state(vport, ndlp,
+							   NLP_STE_PRLI_ISSUE);
+					lpfc_issue_els_prli(vport, ndlp, 0);
+				}
+			} else if (!ndlp->nlp_fc4_type) {
+				/* If fc4 type is still unknown, then LOGO */
+				lpfc_printf_vlog(vport, KERN_INFO,
+						 LOG_DISCOVERY | LOG_NODE,
+						 "6443 Sending LOGO ndlp x%px,"
+						 "DID x%06x with fc4_type: "
+						 "x%08x, state: %d\n",
+						 ndlp, did, ndlp->nlp_fc4_type,
+						 ndlp->nlp_state);
+				lpfc_issue_els_logo(vport, ndlp, 0);
+				ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
+				lpfc_nlp_set_state(vport, ndlp,
+						   NLP_STE_NPR_NODE);
+			}
+		}
+	} else
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+				 "3065 GFT_ID failed x%08x\n", ulp_status);
+
+out:
+	lpfc_ct_free_iocb(phba, cmdiocb);
+	lpfc_nlp_put(ns_ndlp);
+}
+
+static void
+lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+	     struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	struct lpfc_dmabuf *inp;
+	struct lpfc_dmabuf *outp;
+	struct lpfc_sli_ct_request *CTrsp;
+	struct lpfc_nodelist *ndlp;
+	int cmdcode, rc;
+	uint8_t retry;
+	uint32_t latt;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+	u32 ulp_word4 = get_job_word4(phba, rspiocb);
+
+	/* First save ndlp, before we overwrite it */
+	ndlp = cmdiocb->ndlp;
+
+	/* we pass cmdiocb to state machine which needs rspiocb as well */
+	cmdiocb->rsp_iocb = rspiocb;
+
+	inp = cmdiocb->cmd_dmabuf;
+	outp = cmdiocb->rsp_dmabuf;
+
+	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
+					CommandResponse.bits.CmdRsp);
+	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+
+	latt = lpfc_els_chk_latt(vport);
+
+	/* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+			 "0209 CT Request completes, latt %d, "
+			 "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
+			 latt, ulp_status,
+			 be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp),
+			 get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
+
+	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
+		ulp_status, ulp_word4, cmdcode);
+
+	if (ulp_status) {
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+				 "0268 NS cmd x%x Error (x%x x%x)\n",
+				 cmdcode, ulp_status, ulp_word4);
+
+		if (ulp_status == IOSTAT_LOCAL_REJECT &&
+		    (((ulp_word4 & IOERR_PARAM_MASK) ==
+		      IOERR_SLI_DOWN) ||
+		     ((ulp_word4 & IOERR_PARAM_MASK) ==
+		      IOERR_SLI_ABORTED)))
+			goto out;
+
+		retry = cmdiocb->retry;
+		if (retry >= LPFC_MAX_NS_RETRY)
+			goto out;
+
+		retry++;
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "0250 Retrying NS cmd %x\n", cmdcode);
+		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
+		if (rc == 0)
+			goto out;
+	}
+
+out:
+	lpfc_ct_free_iocb(phba, cmdiocb);
+	lpfc_nlp_put(ndlp);
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+
+	if (ulp_status == IOSTAT_SUCCESS) {
+		struct lpfc_dmabuf *outp;
+		struct lpfc_sli_ct_request *CTrsp;
+
+		outp = cmdiocb->rsp_dmabuf;
+		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
+		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+		    SLI_CT_RESPONSE_FS_ACC)
+			vport->ct_flags |= FC_CT_RFT_ID;
+	}
+	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+
+	if (ulp_status == IOSTAT_SUCCESS) {
+		struct lpfc_dmabuf *outp;
+		struct lpfc_sli_ct_request *CTrsp;
+
+		outp = cmdiocb->rsp_dmabuf;
+		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+		    SLI_CT_RESPONSE_FS_ACC)
+			vport->ct_flags |= FC_CT_RNN_ID;
+	}
+	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			 struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+
+	if (ulp_status == IOSTAT_SUCCESS) {
+		struct lpfc_dmabuf *outp;
+		struct lpfc_sli_ct_request *CTrsp;
+
+		outp = cmdiocb->rsp_dmabuf;
+		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
+		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+		    SLI_CT_RESPONSE_FS_ACC)
+			vport->ct_flags |= FC_CT_RSPN_ID;
+	}
+	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			 struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+
+	if (ulp_status == IOSTAT_SUCCESS) {
+		struct lpfc_dmabuf *outp;
+		struct lpfc_sli_ct_request *CTrsp;
+
+		outp = cmdiocb->rsp_dmabuf;
+		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+		    SLI_CT_RESPONSE_FS_ACC)
+			vport->ct_flags |= FC_CT_RSNN_NN;
+	}
+	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+ struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+
+	/* even if it fails we will act as though it succeeded. */
+	vport->ct_flags = 0;
+	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+			struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+
+	if (ulp_status == IOSTAT_SUCCESS) {
+		struct lpfc_dmabuf *outp;
+		struct lpfc_sli_ct_request *CTrsp;
+
+		outp = cmdiocb->rsp_dmabuf;
+		CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
+		if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) ==
+		    SLI_CT_RESPONSE_FS_ACC)
+			vport->ct_flags |= FC_CT_RFF_ID;
+	}
+	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
+	return;
+}
+
+/*
+ * Although the symbolic port name is thought to be an integer
+ * as of January 18, 2016, leave it as a string until more of
+ * the record state becomes defined.
+ */
+int
+lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
+	size_t size)
+{
+	int n;
+
+	/*
+	 * Use the lpfc board number as the Symbolic Port
+	 * Name object.  NPIV is not in play so this integer
+	 * value is sufficient and unique per FC-ID.
+	 */
+	n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
+	return n;
+}
+
+
+int
+lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
+	size_t size)
+{
+	char fwrev[FW_REV_STR_SIZE] = {0};
+	char tmp[MAXHOSTNAMELEN] = {0};
+
+	memset(symbol, 0, size);
+
+	scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
+	if (strlcat(symbol, tmp, size) >= size)
+		goto buffer_done;
+
+	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
+	scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
+	if (strlcat(symbol, tmp, size) >= size)
+		goto buffer_done;
+
+	scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
+	if (strlcat(symbol, tmp, size) >= size)
+		goto buffer_done;
+
+	scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
+	if (strlcat(symbol, tmp, size) >= size)
+		goto buffer_done;
+
+	/* Note :- OS name is "Linux" */
+	scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
+	strlcat(symbol, tmp, size);
+
+buffer_done:
+	return strnlen(symbol, size);
+
+}
+
+static uint32_t
+lpfc_find_map_node(struct lpfc_vport *vport)
+{
+	struct lpfc_nodelist *ndlp, *next_ndlp;
+	struct Scsi_Host  *shost;
+	uint32_t cnt = 0;
+
+	shost = lpfc_shost_from_vport(vport);
+	spin_lock_irq(shost->host_lock);
+	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+		if (ndlp->nlp_type & NLP_FABRIC)
+			continue;
+		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
+		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
+			cnt++;
+	}
+	spin_unlock_irq(shost->host_lock);
+	return cnt;
+}
+
+/*
+ * This routine will return the FC4 Type associated with the CT
+ * GID_FT command.
+ */
+int
+lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
+{
+	struct lpfc_sli_ct_request *CtReq;
+	struct lpfc_dmabuf *mp;
+	uint32_t type;
+
+	mp = cmdiocb->cmd_dmabuf;
+	if (mp == NULL)
+		return 0;
+	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
+	type = (uint32_t)CtReq->un.gid.Fc4Type;
+	if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
+		return 0;
+	return type;
+}
+
+/*
+ * lpfc_ns_cmd
+ * Description:
+ *    Issue Cmd to NameServer
+ *       SLI_CTNS_GID_FT
+ *       LI_CTNS_RFT_ID
+ */
+int
+lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
+	    uint8_t retry, uint32_t context)
+{
+	struct lpfc_nodelist * ndlp;
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_dmabuf *mp, *bmp;
+	struct lpfc_sli_ct_request *CtReq;
+	struct ulp_bde64 *bpl;
+	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
+		      struct lpfc_iocbq *) = NULL;
+	uint32_t *ptr;
+	uint32_t rsp_size = 1024;
+	size_t   size;
+	int rc = 0;
+
+	ndlp = lpfc_findnode_did(vport, NameServer_DID);
+	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
+		rc=1;
+		goto ns_cmd_exit;
+	}
+
+	/* fill in BDEs for command */
+	/* Allocate buffer for command payload */
+	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!mp) {
+		rc=2;
+		goto ns_cmd_exit;
+	}
+
+	INIT_LIST_HEAD(&mp->list);
+	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
+	if (!mp->virt) {
+		rc=3;
+		goto ns_cmd_free_mp;
+	}
+
+	/* Allocate buffer for Buffer ptr list */
+	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!bmp) {
+		rc=4;
+		goto ns_cmd_free_mpvirt;
+	}
+
+	INIT_LIST_HEAD(&bmp->list);
+	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
+	if (!bmp->virt) {
+		rc=5;
+		goto ns_cmd_free_bmp;
+	}
+
+	/* NameServer Req */
+	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
+			 "0236 NameServer Req Data: x%x x%x x%x x%x\n",
+			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
+			 context);
+
+	bpl = (struct ulp_bde64 *) bmp->virt;
+	memset(bpl, 0, sizeof(struct ulp_bde64));
+	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
+	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
+	bpl->tus.f.bdeFlags = 0;
+	if (cmdcode == SLI_CTNS_GID_FT)
+		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_GID_PT)
+		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_GFF_ID)
+		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_GFT_ID)
+		bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_RFT_ID)
+		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_RNN_ID)
+		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_RSPN_ID)
+		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_RSNN_NN)
+		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_DA_ID)
+		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
+	else if (cmdcode == SLI_CTNS_RFF_ID)
+		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
+	else
+		bpl->tus.f.bdeSize = 0;
+	bpl->tus.w = le32_to_cpu(bpl->tus.w);
+
+	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
+	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
+	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
+	CtReq->RevisionId.bits.InId = 0;
+	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
+	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
+	CtReq->CommandResponse.bits.Size = 0;
+	switch (cmdcode) {
+	case SLI_CTNS_GID_FT:
+		CtReq->CommandResponse.bits.CmdRsp =
+		    cpu_to_be16(SLI_CTNS_GID_FT);
+		CtReq->un.gid.Fc4Type = context;
+
+		if (vport->port_state < LPFC_NS_QRY)
+			vport->port_state = LPFC_NS_QRY;
+		lpfc_set_disctmo(vport);
+		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
+		rsp_size = FC_MAX_NS_RSP;
+		break;
+
+	case SLI_CTNS_GID_PT:
+		CtReq->CommandResponse.bits.CmdRsp =
+		    cpu_to_be16(SLI_CTNS_GID_PT);
+		CtReq->un.gid.PortType = context;
+
+		if (vport->port_state < LPFC_NS_QRY)
+			vport->port_state = LPFC_NS_QRY;
+		lpfc_set_disctmo(vport);
+		cmpl = lpfc_cmpl_ct_cmd_gid_pt;
+		rsp_size = FC_MAX_NS_RSP;
+		break;
+
+	case SLI_CTNS_GFF_ID:
+		CtReq->CommandResponse.bits.CmdRsp =
+			cpu_to_be16(SLI_CTNS_GFF_ID);
+		CtReq->un.gff.PortId = cpu_to_be32(context);
+		cmpl = lpfc_cmpl_ct_cmd_gff_id;
+		break;
+
+	case SLI_CTNS_GFT_ID:
+		CtReq->CommandResponse.bits.CmdRsp =
+			cpu_to_be16(SLI_CTNS_GFT_ID);
+		CtReq->un.gft.PortId = cpu_to_be32(context);
+		cmpl = lpfc_cmpl_ct_cmd_gft_id;
+		break;
+
+	case SLI_CTNS_RFT_ID:
+		vport->ct_flags &= ~FC_CT_RFT_ID;
+		CtReq->CommandResponse.bits.CmdRsp =
+		    cpu_to_be16(SLI_CTNS_RFT_ID);
+		CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
+
+		/* Register Application Services type if vmid enabled. */
+		if (phba->cfg_vmid_app_header)
+			CtReq->un.rft.app_serv_reg =
+				cpu_to_be32(RFT_APP_SERV_REG);
+
+		/* Register FC4 FCP type if enabled.  */
+		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
+		    vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
+			CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
+
+		/* Register NVME type if enabled. */
+		if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
+		    vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
+			CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
+
+		ptr = (uint32_t *)CtReq;
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "6433 Issue RFT (%s %s %s): %08x %08x %08x "
+				 "%08x %08x %08x %08x %08x\n",
+				 CtReq->un.rft.fcp_reg ? "FCP" : " ",
+				 CtReq->un.rft.nvme_reg ? "NVME" : " ",
+				 CtReq->un.rft.app_serv_reg ? "APPS" : " ",
+				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
+				 *(ptr + 4), *(ptr + 5),
+				 *(ptr + 6), *(ptr + 7));
+		cmpl = lpfc_cmpl_ct_cmd_rft_id;
+		break;
+
+	case SLI_CTNS_RNN_ID:
+		vport->ct_flags &= ~FC_CT_RNN_ID;
+		CtReq->CommandResponse.bits.CmdRsp =
+		    cpu_to_be16(SLI_CTNS_RNN_ID);
+		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
+		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
+		       sizeof(struct lpfc_name));
+		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
+		break;
+
+	case SLI_CTNS_RSPN_ID:
+		vport->ct_flags &= ~FC_CT_RSPN_ID;
+		CtReq->CommandResponse.bits.CmdRsp =
+		    cpu_to_be16(SLI_CTNS_RSPN_ID);
+		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
+		size = sizeof(CtReq->un.rspn.symbname);
+		CtReq->un.rspn.len =
+			lpfc_vport_symbolic_port_name(vport,
+			CtReq->un.rspn.symbname, size);
+		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
+		break;
+	case SLI_CTNS_RSNN_NN:
+		vport->ct_flags &= ~FC_CT_RSNN_NN;
+		CtReq->CommandResponse.bits.CmdRsp =
+		    cpu_to_be16(SLI_CTNS_RSNN_NN);
+		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
+		       sizeof(struct lpfc_name));
+		size = sizeof(CtReq->un.rsnn.symbname);
+		CtReq->un.rsnn.len =
+			lpfc_vport_symbolic_node_name(vport,
+			CtReq->un.rsnn.symbname, size);
+		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
+		break;
+	case SLI_CTNS_DA_ID:
+		/* Implement DA_ID Nameserver request */
+		CtReq->CommandResponse.bits.CmdRsp =
+			cpu_to_be16(SLI_CTNS_DA_ID);
+		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
+		cmpl = lpfc_cmpl_ct_cmd_da_id;
+		break;
+	case SLI_CTNS_RFF_ID:
+		vport->ct_flags &= ~FC_CT_RFF_ID;
+		CtReq->CommandResponse.bits.CmdRsp =
+		    cpu_to_be16(SLI_CTNS_RFF_ID);
+		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
+		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
+
+		/* The driver always supports FC_TYPE_FCP.  However, the
+		 * caller can specify NVME (type x28) as well.  But only
+		 * these that FC4 type is supported.
+		 */
+		if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+		     (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
+		    (context == FC_TYPE_NVME)) {
+			if ((vport == phba->pport) && phba->nvmet_support) {
+				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
+					FC4_FEATURE_NVME_DISC);
+				lpfc_nvmet_update_targetport(phba);
+			} else {
+				lpfc_nvme_update_localport(vport);
+			}
+			CtReq->un.rff.type_code = context;
+
+		} else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+			    (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
+			   (context == FC_TYPE_FCP))
+			CtReq->un.rff.type_code = context;
+
+		else
+			goto ns_cmd_free_bmpvirt;
+
+		ptr = (uint32_t *)CtReq;
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "6434 Issue RFF (%s): %08x %08x %08x %08x "
+				 "%08x %08x %08x %08x\n",
+				 (context == FC_TYPE_NVME) ? "NVME" : "FCP",
+				 *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
+				 *(ptr + 4), *(ptr + 5),
+				 *(ptr + 6), *(ptr + 7));
+		cmpl = lpfc_cmpl_ct_cmd_rff_id;
+		break;
+	}
+	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
+	 * to hold ndlp reference for the corresponding callback function.
+	 */
+	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
+		/* On success, The cmpl function will free the buffers */
+		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+			"Issue CT cmd:    cmd:x%x did:x%x",
+			cmdcode, ndlp->nlp_DID, 0);
+		return 0;
+	}
+	rc=6;
+
+ns_cmd_free_bmpvirt:
+	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+ns_cmd_free_bmp:
+	kfree(bmp);
+ns_cmd_free_mpvirt:
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ns_cmd_free_mp:
+	kfree(mp);
+ns_cmd_exit:
+	lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
+			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
+	return 1;
+}
+
+/**
+ * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
+ * @phba: Pointer to HBA context object.
+ * @mask: Initial port attributes mask
+ *
+ * This function checks to see if any vports have deferred their FDMI RPRT.
+ * A vports RPRT may be deferred if it is issued before the primary ports
+ * RHBA completes.
+ */
+static void
+lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
+{
+	struct lpfc_vport **vports;
+	struct lpfc_vport *vport;
+	struct lpfc_nodelist *ndlp;
+	int i;
+
+	phba->hba_flag |= HBA_RHBA_CMPL;
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports) {
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+			vport = vports[i];
+			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
+			if (!ndlp)
+				continue;
+			if (vport->ct_flags & FC_CT_RPRT_DEFER) {
+				vport->ct_flags &= ~FC_CT_RPRT_DEFER;
+				vport->fdmi_port_mask = mask;
+				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
+			}
+		}
+	}
+	lpfc_destroy_vport_work_array(phba, vports);
+}
+
+/**
+ * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
+ * @phba: Pointer to HBA context object.
+ * @cmdiocb: Pointer to the command IOCBQ.
+ * @rspiocb: Pointer to the response IOCBQ.
+ *
+ * This function to handle the completion of a driver initiated FDMI
+ * CT command issued during discovery.
+ */
+static void
+lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+		       struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
+	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
+	struct lpfc_sli_ct_request *CTcmd = inp->virt;
+	struct lpfc_sli_ct_request *CTrsp = outp->virt;
+	__be16 fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
+	__be16 fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
+	struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
+	uint32_t latt, cmd, err;
+	u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
+	u32 ulp_word4 = get_job_word4(phba, rspiocb);
+
+	latt = lpfc_els_chk_latt(vport);
+	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
+		"FDMI cmpl:       status:x%x/x%x latt:%d",
+		ulp_status, ulp_word4, latt);
+
+	if (latt || ulp_status) {
+
+		/* Look for a retryable error */
+		if (ulp_status == IOSTAT_LOCAL_REJECT) {
+			switch ((ulp_word4 & IOERR_PARAM_MASK)) {
+			case IOERR_SLI_ABORTED:
+			case IOERR_SLI_DOWN:
+				/* Driver aborted this IO.  No retry as error
+				 * is likely Offline->Online or some adapter
+				 * error.  Recovery will try again.
+				 */
+				break;
+			case IOERR_ABORT_IN_PROGRESS:
+			case IOERR_SEQUENCE_TIMEOUT:
+			case IOERR_ILLEGAL_FRAME:
+			case IOERR_NO_RESOURCES:
+			case IOERR_ILLEGAL_COMMAND:
+				cmdiocb->retry++;
+				if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
+					break;
+
+				/* Retry the same FDMI command */
+				err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
+							  cmdiocb, 0);
+				if (err == IOCB_ERROR)
+					break;
+				return;
+			default:
+				break;
+			}
+		}
+
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "0229 FDMI cmd %04x failed, latt = %d "
+				 "ulp_status: x%x, rid x%x\n",
+				 be16_to_cpu(fdmi_cmd), latt, ulp_status,
+				 ulp_word4);
+	}
+
+	free_ndlp = cmdiocb->ndlp;
+	lpfc_ct_free_iocb(phba, cmdiocb);
+	lpfc_nlp_put(free_ndlp);
+
+	ndlp = lpfc_findnode_did(vport, FDMI_DID);
+	if (!ndlp)
+		return;
+
+	/* Check for a CT LS_RJT response */
+	cmd =  be16_to_cpu(fdmi_cmd);
+	if (be16_to_cpu(fdmi_rsp) == SLI_CT_RESPONSE_FS_RJT) {
+		/* FDMI rsp failed */
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
+				 "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
+
+		/* Should we fallback to FDMI-2 / FDMI-1 ? */
+		switch (cmd) {
+		case SLI_MGMT_RHBA:
+			if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
+				/* Fallback to FDMI-1 for HBA attributes */
+				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
+
+				/* If HBA attributes are FDMI1, so should
+				 * port attributes be for consistency.
+				 */
+				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
+				/* Start over */
+				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
+			}
+			return;
+
+		case SLI_MGMT_RPRT:
+			if (vport->port_type != LPFC_PHYSICAL_PORT) {
+				ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
+				if (!ndlp)
+					return;
+			}
+			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
+				/* Fallback to FDMI-1 */
+				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
+				/* Start over */
+				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
+				return;
+			}
+			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
+				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
+				/* Retry the same command */
+				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
+			}
+			return;
+
+		case SLI_MGMT_RPA:
+			/* No retry on Vendor, RPA only done on physical port */
+			if (phba->link_flag & LS_CT_VEN_RPA) {
+				phba->link_flag &= ~LS_CT_VEN_RPA;
+				if (phba->cmf_active_mode == LPFC_CFG_OFF)
+					return;
+				lpfc_printf_log(phba, KERN_WARNING,
+						LOG_DISCOVERY | LOG_ELS,
+						"6460 VEN FDMI RPA RJT\n");
+				return;
+			}
+			if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
+				/* Fallback to FDMI-1 */
+				vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
+				vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
+				/* Start over */
+				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
+				return;
+			}
+			if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
+				vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
+				/* Retry the same command */
+				lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
+			}
+			return;
+		}
+	}
+
+	/*
+	 * On success, need to cycle thru FDMI registration for discovery
+	 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
+	 * DPRT -> RPRT (vports)
+	 */
+	switch (cmd) {
+	case SLI_MGMT_RHBA:
+		/* Check for any RPRTs deferred till after RHBA completes */
+		lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
+
+		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
+		break;
+
+	case SLI_MGMT_DHBA:
+		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
+		break;
+
+	case SLI_MGMT_DPRT:
+		if (vport->port_type == LPFC_PHYSICAL_PORT) {
+			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
+		} else {
+			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
+			if (!ndlp)
+				return;
+
+			/* Only issue a RPRT for the vport if the RHBA
+			 * for the physical port completes successfully.
+			 * We may have to defer the RPRT accordingly.
+			 */
+			if (phba->hba_flag & HBA_RHBA_CMPL) {
+				lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
+			} else {
+				lpfc_printf_vlog(vport, KERN_INFO,
+						 LOG_DISCOVERY,
+						 "6078 RPRT deferred\n");
+				vport->ct_flags |= FC_CT_RPRT_DEFER;
+			}
+		}
+		break;
+	case SLI_MGMT_RPA:
+		if (vport->port_type == LPFC_PHYSICAL_PORT &&
+		    phba->sli4_hba.pc_sli4_params.mi_ver) {
+			/* mi is only for the phyical port, no vports */
+			if (phba->link_flag & LS_CT_VEN_RPA) {
+				lpfc_printf_vlog(vport, KERN_INFO,
+						 LOG_DISCOVERY | LOG_ELS |
+						 LOG_CGN_MGMT,
+						 "6449 VEN RPA FDMI Success\n");
+				phba->link_flag &= ~LS_CT_VEN_RPA;
+				break;
+			}
+
+			lpfc_printf_log(phba, KERN_INFO,
+					LOG_DISCOVERY | LOG_CGN_MGMT,
+					"6210 Issue Vendor MI FDMI %x\n",
+					phba->sli4_hba.pc_sli4_params.mi_ver);
+
+			/* CGN is only for the physical port, no vports */
+			if (lpfc_fdmi_cmd(vport, ndlp, cmd,
+					  LPFC_FDMI_VENDOR_ATTR_mi) == 0)
+				phba->link_flag |= LS_CT_VEN_RPA;
+			lpfc_printf_log(phba, KERN_INFO,
+					LOG_DISCOVERY | LOG_ELS,
+					"6458 Send MI FDMI:%x Flag x%x\n",
+					phba->sli4_hba.pc_sli4_params.mi_ver,
+					phba->link_flag);
+		} else {
+			lpfc_printf_log(phba, KERN_INFO,
+					LOG_DISCOVERY | LOG_ELS,
+					"6459 No FDMI VEN MI support - "
+					"RPA Success\n");
+		}
+		break;
+	}
+	return;
+}
+
+
+/**
+ * lpfc_fdmi_change_check - Check for changed FDMI parameters
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * Check how many mapped NPorts we are connected to
+ * Check if our hostname changed
+ * Called from hbeat timeout routine to check if any FDMI parameters
+ * changed. If so, re-register those Attributes.
+ */
+void
+lpfc_fdmi_change_check(struct lpfc_vport *vport)
+{
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_nodelist *ndlp;
+	uint16_t cnt;
+
+	if (!lpfc_is_link_up(phba))
+		return;
+
+	/* Must be connected to a Fabric */
+	if (!(vport->fc_flag & FC_FABRIC))
+		return;
+
+	ndlp = lpfc_findnode_did(vport, FDMI_DID);
+	if (!ndlp)
+		return;
+
+	/* Check if system hostname changed */
+	if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
+		memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
+		scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
+			  init_utsname()->nodename);
+		lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
+
+		/* Since this effects multiple HBA and PORT attributes, we need
+		 * de-register and go thru the whole FDMI registration cycle.
+		 * DHBA -> DPRT -> RHBA -> RPA  (physical port)
+		 * DPRT -> RPRT (vports)
+		 */
+		if (vport->port_type == LPFC_PHYSICAL_PORT) {
+			/* For extra Vendor RPA */
+			phba->link_flag &= ~LS_CT_VEN_RPA;
+			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
+		} else {
+			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
+			if (!ndlp)
+				return;
+			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
+		}
+
+		/* Since this code path registers all the port attributes
+		 * we can just return without further checking.
+		 */
+		return;
+	}
+
+	if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
+		return;
+
+	/* Check if the number of mapped NPorts changed */
+	cnt = lpfc_find_map_node(vport);
+	if (cnt == vport->fdmi_num_disc)
+		return;
+
+	if (vport->port_type == LPFC_PHYSICAL_PORT) {
+		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
+			      LPFC_FDMI_PORT_ATTR_num_disc);
+	} else {
+		ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
+		if (!ndlp)
+			return;
+		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
+			      LPFC_FDMI_PORT_ATTR_num_disc);
+	}
+}
+
+static inline int
+lpfc_fdmi_set_attr_u32(void *attr, uint16_t attrtype, uint32_t attrval)
+{
+	struct lpfc_fdmi_attr_u32 *ae = attr;
+	int size = sizeof(*ae);
+
+	ae->type = cpu_to_be16(attrtype);
+	ae->len = cpu_to_be16(size);
+	ae->value_u32 = cpu_to_be32(attrval);
+
+	return size;
+}
+
+static inline int
+lpfc_fdmi_set_attr_wwn(void *attr, uint16_t attrtype, struct lpfc_name *wwn)
+{
+	struct lpfc_fdmi_attr_wwn *ae = attr;
+	int size = sizeof(*ae);
+
+	ae->type = cpu_to_be16(attrtype);
+	ae->len = cpu_to_be16(size);
+	/* WWN's assumed to be bytestreams - Big Endian presentation */
+	memcpy(ae->name, wwn,
+	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
+
+	return size;
+}
+
+static inline int
+lpfc_fdmi_set_attr_fullwwn(void *attr, uint16_t attrtype,
+			   struct lpfc_name *wwnn, struct lpfc_name *wwpn)
+{
+	struct lpfc_fdmi_attr_fullwwn *ae = attr;
+	u8 *nname = ae->nname;
+	u8 *pname = ae->pname;
+	int size = sizeof(*ae);
+
+	ae->type = cpu_to_be16(attrtype);
+	ae->len = cpu_to_be16(size);
+	/* WWN's assumed to be bytestreams - Big Endian presentation */
+	memcpy(nname, wwnn,
+	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
+	memcpy(pname, wwpn,
+	       min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64)));
+
+	return size;
+}
+
+static inline int
+lpfc_fdmi_set_attr_string(void *attr, uint16_t attrtype, char *attrstring)
+{
+	struct lpfc_fdmi_attr_string *ae = attr;
+	int len, size;
+
+	/*
+	 * We are trusting the caller that if a fdmi string field
+	 * is capped at 64 bytes, the caller passes in a string of
+	 * 64 bytes or less.
+	 */
+
+	strncpy(ae->value_string, attrstring, sizeof(ae->value_string));
+	len = strnlen(ae->value_string, sizeof(ae->value_string));
+	/* round string length to a 32bit boundary. Ensure there's a NULL */
+	len += (len & 3) ? (4 - (len & 3)) : 4;
+	/* size is Type/Len (4 bytes) plus string length */
+	size = FOURBYTES + len;
+
+	ae->type = cpu_to_be16(attrtype);
+	ae->len = cpu_to_be16(size);
+
+	return size;
+}
+
+/* Bitfields for FC4 Types that can be reported */
+#define ATTR_FC4_CT	0x00000001
+#define ATTR_FC4_FCP	0x00000002
+#define ATTR_FC4_NVME	0x00000004
+
+static inline int
+lpfc_fdmi_set_attr_fc4types(void *attr, uint16_t attrtype, uint32_t typemask)
+{
+	struct lpfc_fdmi_attr_fc4types *ae = attr;
+	int size = sizeof(*ae);
+
+	ae->type = cpu_to_be16(attrtype);
+	ae->len = cpu_to_be16(size);
+
+	if (typemask & ATTR_FC4_FCP)
+		ae->value_types[2] = 0x01; /* Type 0x8 - FCP */
+
+	if (typemask & ATTR_FC4_CT)
+		ae->value_types[7] = 0x01; /* Type 0x20 - CT */
+
+	if (typemask & ATTR_FC4_NVME)
+		ae->value_types[6] = 0x01; /* Type 0x28 - NVME */
+
+	return size;
+}
+
+/* Routines for all individual HBA attributes */
+static int
+lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_wwn(attr, RHBA_NODENAME,
+			&vport->fc_sparam.nodeName);
+}
+
+static int
+lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, void *attr)
+{
+	/* This string MUST be consistent with other FC platforms
+	 * supported by Broadcom.
+	 */
+	return lpfc_fdmi_set_attr_string(attr, RHBA_MANUFACTURER,
+			"Emulex Corporation");
+}
+
+static int
+lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_SERIAL_NUMBER,
+			phba->SerialNumber);
+}
+
+static int
+lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL,
+			phba->ModelName);
+}
+
+static int
+lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL_DESCRIPTION,
+			phba->ModelDesc);
+}
+
+static int
+lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+	lpfc_vpd_t *vp = &phba->vpd;
+	char buf[16] = { 0 };
+
+	snprintf(buf, sizeof(buf), "%08x", vp->rev.biuRev);
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_HARDWARE_VERSION, buf);
+}
+
+static int
+lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_string(attr, RHBA_DRIVER_VERSION,
+			lpfc_release_version);
+}
+
+static int
+lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+	char buf[64] = { 0 };
+
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		lpfc_decode_firmware_rev(phba, buf, 1);
+
+		return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
+				buf);
+	}
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION,
+			phba->OptionROMVersion);
+}
+
+static int
+lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+	char buf[64] = { 0 };
+
+	lpfc_decode_firmware_rev(phba, buf, 1);
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_FIRMWARE_VERSION, buf);
+}
+
+static int
+lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport, void *attr)
+{
+	char buf[256] = { 0 };
+
+	snprintf(buf, sizeof(buf), "%s %s %s",
+		 init_utsname()->sysname,
+		 init_utsname()->release,
+		 init_utsname()->version);
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_OS_NAME_VERSION, buf);
+}
+
+static int
+lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_u32(attr, RHBA_MAX_CT_PAYLOAD_LEN,
+			LPFC_MAX_CT_SIZE);
+}
+
+static int
+lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
+{
+	char buf[256] = { 0 };
+
+	lpfc_vport_symbolic_node_name(vport, buf, sizeof(buf));
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_SYM_NODENAME, buf);
+}
+
+static int
+lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_u32(attr, RHBA_VENDOR_INFO, 0);
+}
+
+static int
+lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport, void *attr)
+{
+	/* Each driver instance corresponds to a single port */
+	return lpfc_fdmi_set_attr_u32(attr, RHBA_NUM_PORTS, 1);
+}
+
+static int
+lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_wwn(attr, RHBA_FABRIC_WWNN,
+			&vport->fabric_nodename);
+}
+
+static int
+lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+
+	return lpfc_fdmi_set_attr_string(attr, RHBA_BIOS_VERSION,
+			phba->BIOSVersion);
+}
+
+static int
+lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport, void *attr)
+{
+	/* Driver doesn't have access to this information */
+	return lpfc_fdmi_set_attr_u32(attr, RHBA_BIOS_STATE, 0);
+}
+
+static int
+lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_string(attr, RHBA_VENDOR_ID, "EMULEX");
+}
+
+/*
+ * Routines for all individual PORT attributes
+ */
+
+static int
+lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba   *phba = vport->phba;
+	u32 fc4types;
+
+	fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
+
+	/* Check to see if Firmware supports NVME and on physical port */
+	if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
+	    phba->sli4_hba.pc_sli4_params.nvme)
+		fc4types |= ATTR_FC4_NVME;
+
+	return lpfc_fdmi_set_attr_fc4types(attr, RPRT_SUPPORTED_FC4_TYPES,
+			fc4types);
+}
+
+static int
+lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+	u32 speeds = 0;
+	u32 tcfg;
+	u8 i, cnt;
+
+	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
+		cnt = 0;
+		if (phba->sli_rev == LPFC_SLI_REV4) {
+			tcfg = phba->sli4_hba.conf_trunk;
+			for (i = 0; i < 4; i++, tcfg >>= 1)
+				if (tcfg & 1)
+					cnt++;
+		}
+
+		if (cnt > 2) { /* 4 lane trunk group */
+			if (phba->lmt & LMT_64Gb)
+				speeds |= HBA_PORTSPEED_256GFC;
+			if (phba->lmt & LMT_32Gb)
+				speeds |= HBA_PORTSPEED_128GFC;
+			if (phba->lmt & LMT_16Gb)
+				speeds |= HBA_PORTSPEED_64GFC;
+		} else if (cnt) { /* 2 lane trunk group */
+			if (phba->lmt & LMT_128Gb)
+				speeds |= HBA_PORTSPEED_256GFC;
+			if (phba->lmt & LMT_64Gb)
+				speeds |= HBA_PORTSPEED_128GFC;
+			if (phba->lmt & LMT_32Gb)
+				speeds |= HBA_PORTSPEED_64GFC;
+			if (phba->lmt & LMT_16Gb)
+				speeds |= HBA_PORTSPEED_32GFC;
+		} else {
+			if (phba->lmt & LMT_256Gb)
+				speeds |= HBA_PORTSPEED_256GFC;
+			if (phba->lmt & LMT_128Gb)
+				speeds |= HBA_PORTSPEED_128GFC;
+			if (phba->lmt & LMT_64Gb)
+				speeds |= HBA_PORTSPEED_64GFC;
+			if (phba->lmt & LMT_32Gb)
+				speeds |= HBA_PORTSPEED_32GFC;
+			if (phba->lmt & LMT_16Gb)
+				speeds |= HBA_PORTSPEED_16GFC;
+			if (phba->lmt & LMT_10Gb)
+				speeds |= HBA_PORTSPEED_10GFC;
+			if (phba->lmt & LMT_8Gb)
+				speeds |= HBA_PORTSPEED_8GFC;
+			if (phba->lmt & LMT_4Gb)
+				speeds |= HBA_PORTSPEED_4GFC;
+			if (phba->lmt & LMT_2Gb)
+				speeds |= HBA_PORTSPEED_2GFC;
+			if (phba->lmt & LMT_1Gb)
+				speeds |= HBA_PORTSPEED_1GFC;
+		}
+	} else {
+		/* FCoE links support only one speed */
+		switch (phba->fc_linkspeed) {
+		case LPFC_ASYNC_LINK_SPEED_10GBPS:
+			speeds = HBA_PORTSPEED_10GE;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_25GBPS:
+			speeds = HBA_PORTSPEED_25GE;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_40GBPS:
+			speeds = HBA_PORTSPEED_40GE;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_100GBPS:
+			speeds = HBA_PORTSPEED_100GE;
+			break;
+		}
+	}
+
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_SPEED, speeds);
+}
+
+static int
+lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba   *phba = vport->phba;
+	u32 speeds = 0;
+
+	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
+		switch (phba->fc_linkspeed) {
+		case LPFC_LINK_SPEED_1GHZ:
+			speeds = HBA_PORTSPEED_1GFC;
+			break;
+		case LPFC_LINK_SPEED_2GHZ:
+			speeds = HBA_PORTSPEED_2GFC;
+			break;
+		case LPFC_LINK_SPEED_4GHZ:
+			speeds = HBA_PORTSPEED_4GFC;
+			break;
+		case LPFC_LINK_SPEED_8GHZ:
+			speeds = HBA_PORTSPEED_8GFC;
+			break;
+		case LPFC_LINK_SPEED_10GHZ:
+			speeds = HBA_PORTSPEED_10GFC;
+			break;
+		case LPFC_LINK_SPEED_16GHZ:
+			speeds = HBA_PORTSPEED_16GFC;
+			break;
+		case LPFC_LINK_SPEED_32GHZ:
+			speeds = HBA_PORTSPEED_32GFC;
+			break;
+		case LPFC_LINK_SPEED_64GHZ:
+			speeds = HBA_PORTSPEED_64GFC;
+			break;
+		case LPFC_LINK_SPEED_128GHZ:
+			speeds = HBA_PORTSPEED_128GFC;
+			break;
+		case LPFC_LINK_SPEED_256GHZ:
+			speeds = HBA_PORTSPEED_256GFC;
+			break;
+		default:
+			speeds = HBA_PORTSPEED_UNKNOWN;
+			break;
+		}
+	} else {
+		switch (phba->fc_linkspeed) {
+		case LPFC_ASYNC_LINK_SPEED_10GBPS:
+			speeds = HBA_PORTSPEED_10GE;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_25GBPS:
+			speeds = HBA_PORTSPEED_25GE;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_40GBPS:
+			speeds = HBA_PORTSPEED_40GE;
+			break;
+		case LPFC_ASYNC_LINK_SPEED_100GBPS:
+			speeds = HBA_PORTSPEED_100GE;
+			break;
+		default:
+			speeds = HBA_PORTSPEED_UNKNOWN;
+			break;
+		}
+	}
+
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_SPEED, speeds);
+}
+
+static int
+lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport, void *attr)
+{
+	struct serv_parm *hsp = (struct serv_parm *)&vport->fc_sparam;
+
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_MAX_FRAME_SIZE,
+			(((uint32_t)hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
+			  (uint32_t)hsp->cmn.bbRcvSizeLsb);
+}
+
+static int
+lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport, void *attr)
+{
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	char buf[64] = { 0 };
+
+	snprintf(buf, sizeof(buf), "/sys/class/scsi_host/host%d",
+		 shost->host_no);
+
+	return lpfc_fdmi_set_attr_string(attr, RPRT_OS_DEVICE_NAME, buf);
+}
+
+static int
+lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport, void *attr)
+{
+	char buf[64] = { 0 };
+
+	scnprintf(buf, sizeof(buf), "%s", vport->phba->os_host_name);
+
+	return lpfc_fdmi_set_attr_string(attr, RPRT_HOST_NAME, buf);
+}
+
+static int
+lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_wwn(attr, RPRT_NODENAME,
+			&vport->fc_sparam.nodeName);
+}
+
+static int
+lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_wwn(attr, RPRT_PORTNAME,
+			&vport->fc_sparam.portName);
+}
+
+static int
+lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport, void *attr)
+{
+	char buf[256] = { 0 };
+
+	lpfc_vport_symbolic_port_name(vport, buf, sizeof(buf));
+
+	return lpfc_fdmi_set_attr_string(attr, RPRT_SYM_PORTNAME, buf);
+}
+
+static int
+lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_TYPE,
+			(phba->fc_topology == LPFC_TOPOLOGY_LOOP) ?
+				LPFC_FDMI_PORTTYPE_NLPORT :
+				LPFC_FDMI_PORTTYPE_NPORT);
+}
+
+static int
+lpfc_fdmi_port_attr_class(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_CLASS,
+			FC_COS_CLASS2 | FC_COS_CLASS3);
+}
+
+static int
+lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_wwn(attr, RPRT_FABRICNAME,
+			&vport->fabric_portname);
+}
+
+static int
+lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+	u32 fc4types;
+
+	fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP);
+
+	/* Check to see if NVME is configured or not */
+	if (vport == phba->pport &&
+	    phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
+		fc4types |= ATTR_FC4_NVME;
+
+	return lpfc_fdmi_set_attr_fc4types(attr, RPRT_ACTIVE_FC4_TYPES,
+			fc4types);
+}
+
+static int
+lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_STATE,
+			LPFC_FDMI_PORTSTATE_ONLINE);
+}
+
+static int
+lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport, void *attr)
+{
+	vport->fdmi_num_disc = lpfc_find_map_node(vport);
+
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_DISC_PORT,
+			vport->fdmi_num_disc);
+}
+
+static int
+lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_ID, vport->fc_myDID);
+}
+
+static int
+lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_SERVICE,
+			"Smart SAN Initiator");
+}
+
+static int
+lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_fullwwn(attr, RPRT_SMART_GUID,
+			&vport->fc_sparam.nodeName,
+			&vport->fc_sparam.portName);
+}
+
+static int
+lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_VERSION,
+			"Smart SAN Version 2.0");
+}
+
+static int
+lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+
+	return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_MODEL,
+			phba->ModelName);
+}
+
+static int
+lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport, void *attr)
+{
+	/* SRIOV (type 3) is not supported */
+
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_PORT_INFO,
+			(vport->vpi) ?  2 /* NPIV */ : 1 /* Physical */);
+}
+
+static int
+lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_QOS, 0);
+}
+
+static int
+lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport, void *attr)
+{
+	return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_SECURITY, 1);
+}
+
+static int
+lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport, void *attr)
+{
+	struct lpfc_hba *phba = vport->phba;
+	char buf[32] = { 0 };
+
+	sprintf(buf, "ELXE2EM:%04d", phba->sli4_hba.pc_sli4_params.mi_ver);
+
+	return lpfc_fdmi_set_attr_string(attr, RPRT_VENDOR_MI, buf);
+}
+
+/* RHBA attribute jump table */
+static int (*lpfc_fdmi_hba_action[])
+	(struct lpfc_vport *vport, void *attrbuf) = {
+	/* Action routine                 Mask bit     Attribute type */
+	lpfc_fdmi_hba_attr_wwnn,	  /* bit0     RHBA_NODENAME           */
+	lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
+	lpfc_fdmi_hba_attr_sn,		  /* bit2     RHBA_SERIAL_NUMBER      */
+	lpfc_fdmi_hba_attr_model,	  /* bit3     RHBA_MODEL              */
+	lpfc_fdmi_hba_attr_description,	  /* bit4     RHBA_MODEL_DESCRIPTION  */
+	lpfc_fdmi_hba_attr_hdw_ver,	  /* bit5     RHBA_HARDWARE_VERSION   */
+	lpfc_fdmi_hba_attr_drvr_ver,	  /* bit6     RHBA_DRIVER_VERSION     */
+	lpfc_fdmi_hba_attr_rom_ver,	  /* bit7     RHBA_OPTION_ROM_VERSION */
+	lpfc_fdmi_hba_attr_fmw_ver,	  /* bit8     RHBA_FIRMWARE_VERSION   */
+	lpfc_fdmi_hba_attr_os_ver,	  /* bit9     RHBA_OS_NAME_VERSION    */
+	lpfc_fdmi_hba_attr_ct_len,	  /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
+	lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
+	lpfc_fdmi_hba_attr_vendor_info,	  /* bit12    RHBA_VENDOR_INFO        */
+	lpfc_fdmi_hba_attr_num_ports,	  /* bit13    RHBA_NUM_PORTS          */
+	lpfc_fdmi_hba_attr_fabric_wwnn,	  /* bit14    RHBA_FABRIC_WWNN        */
+	lpfc_fdmi_hba_attr_bios_ver,	  /* bit15    RHBA_BIOS_VERSION       */
+	lpfc_fdmi_hba_attr_bios_state,	  /* bit16    RHBA_BIOS_STATE         */
+	lpfc_fdmi_hba_attr_vendor_id,	  /* bit17    RHBA_VENDOR_ID          */
+};
+
+/* RPA / RPRT attribute jump table */
+static int (*lpfc_fdmi_port_action[])
+	(struct lpfc_vport *vport, void *attrbuf) = {
+	/* Action routine                   Mask bit   Attribute type */
+	lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
+	lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
+	lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
+	lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
+	lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
+	lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
+	lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
+	lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
+	lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
+	lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
+	lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
+	lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
+	lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
+	lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
+	lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
+	lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
+	lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
+	lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
+	lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
+	lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
+	lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
+	lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
+	lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
+	lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
+};
+
+/**
+ * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
+ * @cmdcode: FDMI command to send
+ * @new_mask: Mask of HBA or PORT Attributes to send
+ *
+ * Builds and sends a FDMI command using the CT subsystem.
+ */
+int
+lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+	      int cmdcode, uint32_t new_mask)
+{
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_dmabuf *rq, *rsp;
+	struct lpfc_sli_ct_request *CtReq;
+	struct ulp_bde64_le *bde;
+	uint32_t bit_pos;
+	uint32_t size, addsz;
+	uint32_t rsp_size;
+	uint32_t mask;
+	struct lpfc_fdmi_reg_hba *rh;
+	struct lpfc_fdmi_port_entry *pe;
+	struct lpfc_fdmi_reg_portattr *pab = NULL, *base = NULL;
+	struct lpfc_fdmi_attr_block *ab = NULL;
+	int  (*func)(struct lpfc_vport *vport, void *attrbuf);
+	void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+		     struct lpfc_iocbq *rspiocb);
+
+	if (!ndlp)
+		return 0;
+
+	cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
+
+	/* fill in BDEs for command */
+	/* Allocate buffer for command payload */
+	rq = kmalloc(sizeof(*rq), GFP_KERNEL);
+	if (!rq)
+		goto fdmi_cmd_exit;
+
+	rq->virt = lpfc_mbuf_alloc(phba, 0, &rq->phys);
+	if (!rq->virt)
+		goto fdmi_cmd_free_rq;
+
+	/* Allocate buffer for Buffer ptr list */
+	rsp = kmalloc(sizeof(*rsp), GFP_KERNEL);
+	if (!rsp)
+		goto fdmi_cmd_free_rqvirt;
+
+	rsp->virt = lpfc_mbuf_alloc(phba, 0, &rsp->phys);
+	if (!rsp->virt)
+		goto fdmi_cmd_free_rsp;
+
+	INIT_LIST_HEAD(&rq->list);
+	INIT_LIST_HEAD(&rsp->list);
+
+	/* mbuf buffers are 1K in length - aka LPFC_BPL_SIZE */
+	memset(rq->virt, 0, LPFC_BPL_SIZE);
+	rsp_size = LPFC_BPL_SIZE;
+
+	/* FDMI request */
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+			 "0218 FDMI Request x%x mask x%x Data: x%x x%x x%x\n",
+			 cmdcode, new_mask, vport->fdmi_port_mask,
+			 vport->fc_flag, vport->port_state);
+
+	CtReq = (struct lpfc_sli_ct_request *)rq->virt;
+
+	/* First populate the CT_IU preamble */
+	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
+	CtReq->RevisionId.bits.InId = 0;
+
+	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
+	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
+
+	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
+
+	size = 0;
+
+	/* Next fill in the specific FDMI cmd information */
+	switch (cmdcode) {
+	case SLI_MGMT_RHAT:
+	case SLI_MGMT_RHBA:
+		rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un;
+		/* HBA Identifier */
+		memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
+		       sizeof(struct lpfc_name));
+		size += sizeof(struct lpfc_fdmi_hba_ident);
+
+		if (cmdcode == SLI_MGMT_RHBA) {
+			/* Registered Port List */
+			/* One entry (port) per adapter */
+			rh->rpl.EntryCnt = cpu_to_be32(1);
+			memcpy(&rh->rpl.pe.PortName,
+			       &phba->pport->fc_sparam.portName,
+			       sizeof(struct lpfc_name));
+			size += sizeof(struct lpfc_fdmi_reg_port_list);
+		}
+
+		ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
+		ab->EntryCnt = 0;
+		size += FOURBYTES;	/* add length of EntryCnt field */
+
+		bit_pos = 0;
+		if (new_mask)
+			mask = new_mask;
+		else
+			mask = vport->fdmi_hba_mask;
+
+		/* Mask will dictate what attributes to build in the request */
+		while (mask) {
+			if (mask & 0x1) {
+				func = lpfc_fdmi_hba_action[bit_pos];
+				addsz = func(vport, ((uint8_t *)rh + size));
+				if (addsz) {
+					ab->EntryCnt++;
+					size += addsz;
+				}
+				/* check if another attribute fits */
+				if ((size + FDMI_MAX_ATTRLEN) >
+				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
+					goto hba_out;
+			}
+			mask = mask >> 1;
+			bit_pos++;
+		}
+hba_out:
+		ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
+		/* Total size */
+		size += GID_REQUEST_SZ - 4;
+		break;
+
+	case SLI_MGMT_RPRT:
+		if (vport->port_type != LPFC_PHYSICAL_PORT) {
+			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
+			if (!ndlp)
+				return 0;
+		}
+		fallthrough;
+	case SLI_MGMT_RPA:
+		/* Store base ptr right after preamble */
+		base = (struct lpfc_fdmi_reg_portattr *)&CtReq->un;
+
+		if (cmdcode == SLI_MGMT_RPRT) {
+			rh = (struct lpfc_fdmi_reg_hba *)base;
+			/* HBA Identifier */
+			memcpy(&rh->hi.PortName,
+			       &phba->pport->fc_sparam.portName,
+			       sizeof(struct lpfc_name));
+			pab = (struct lpfc_fdmi_reg_portattr *)
+				((uint8_t *)base + sizeof(struct lpfc_name));
+			size += sizeof(struct lpfc_name);
+		} else {
+			pab = base;
+		}
+
+		memcpy((uint8_t *)&pab->PortName,
+		       (uint8_t *)&vport->fc_sparam.portName,
+		       sizeof(struct lpfc_name));
+		pab->ab.EntryCnt = 0;
+		/* add length of name and EntryCnt field */
+		size += sizeof(struct lpfc_name) + FOURBYTES;
+
+		bit_pos = 0;
+		if (new_mask)
+			mask = new_mask;
+		else
+			mask = vport->fdmi_port_mask;
+
+		/* Mask will dictate what attributes to build in the request */
+		while (mask) {
+			if (mask & 0x1) {
+				func = lpfc_fdmi_port_action[bit_pos];
+				addsz = func(vport, ((uint8_t *)base + size));
+				if (addsz) {
+					pab->ab.EntryCnt++;
+					size += addsz;
+				}
+				/* check if another attribute fits */
+				if ((size + FDMI_MAX_ATTRLEN) >
+				    (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
+					goto port_out;
+			}
+			mask = mask >> 1;
+			bit_pos++;
+		}
+port_out:
+		pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
+		size += GID_REQUEST_SZ - 4;
+		break;
+
+	case SLI_MGMT_GHAT:
+	case SLI_MGMT_GRPL:
+		rsp_size = FC_MAX_NS_RSP;
+		fallthrough;
+	case SLI_MGMT_DHBA:
+	case SLI_MGMT_DHAT:
+		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
+		memcpy((uint8_t *)&pe->PortName,
+		       (uint8_t *)&vport->fc_sparam.portName,
+		       sizeof(struct lpfc_name));
+		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
+		break;
+
+	case SLI_MGMT_GPAT:
+	case SLI_MGMT_GPAS:
+		rsp_size = FC_MAX_NS_RSP;
+		fallthrough;
+	case SLI_MGMT_DPRT:
+		if (vport->port_type != LPFC_PHYSICAL_PORT) {
+			ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
+			if (!ndlp)
+				return 0;
+		}
+		fallthrough;
+	case SLI_MGMT_DPA:
+		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un;
+		memcpy((uint8_t *)&pe->PortName,
+		       (uint8_t *)&vport->fc_sparam.portName,
+		       sizeof(struct lpfc_name));
+		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
+		break;
+	case SLI_MGMT_GRHL:
+		size = GID_REQUEST_SZ - 4;
+		break;
+	default:
+		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
+				 "0298 FDMI cmdcode x%x not supported\n",
+				 cmdcode);
+		goto fdmi_cmd_free_rspvirt;
+	}
+	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
+
+	bde = (struct ulp_bde64_le *)rsp->virt;
+	bde->addr_high = cpu_to_le32(putPaddrHigh(rq->phys));
+	bde->addr_low = cpu_to_le32(putPaddrLow(rq->phys));
+	bde->type_size = cpu_to_le32(ULP_BDE64_TYPE_BDE_64 <<
+				     ULP_BDE64_TYPE_SHIFT);
+	bde->type_size |= cpu_to_le32(size);
+
+	/*
+	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
+	 * to hold ndlp reference for the corresponding callback function.
+	 */
+	if (!lpfc_ct_cmd(vport, rq, rsp, ndlp, cmpl, rsp_size, 0))
+		return 0;
+
+fdmi_cmd_free_rspvirt:
+	lpfc_mbuf_free(phba, rsp->virt, rsp->phys);
+fdmi_cmd_free_rsp:
+	kfree(rsp);
+fdmi_cmd_free_rqvirt:
+	lpfc_mbuf_free(phba, rq->virt, rq->phys);
+fdmi_cmd_free_rq:
+	kfree(rq);
+fdmi_cmd_exit:
+	/* Issue FDMI request failed */
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+			 "0244 Issue FDMI request failed Data: x%x\n",
+			 cmdcode);
+	return 1;
+}
+
+/**
+ * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
+ * @t: Context object of the timer.
+ *
+ * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
+ * the worker thread.
+ **/
+void
+lpfc_delayed_disc_tmo(struct timer_list *t)
+{
+	struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
+	struct lpfc_hba   *phba = vport->phba;
+	uint32_t tmo_posted;
+	unsigned long iflag;
+
+	spin_lock_irqsave(&vport->work_port_lock, iflag);
+	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
+	if (!tmo_posted)
+		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
+	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
+
+	if (!tmo_posted)
+		lpfc_worker_wake_up(phba);
+	return;
+}
+
+/**
+ * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
+ *      handle delayed discovery.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This function start nport discovery of the vport.
+ **/
+void
+lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
+{
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+
+	spin_lock_irq(shost->host_lock);
+	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
+		spin_unlock_irq(shost->host_lock);
+		return;
+	}
+	vport->fc_flag &= ~FC_DISC_DELAYED;
+	spin_unlock_irq(shost->host_lock);
+
+	lpfc_do_scr_ns_plogi(vport->phba, vport);
+}
+
+void
+lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
+{
+	struct lpfc_sli *psli = &phba->sli;
+	lpfc_vpd_t *vp = &phba->vpd;
+	uint32_t b1, b2, b3, b4, i, rev;
+	char c;
+	uint32_t *ptr, str[4];
+	uint8_t *fwname;
+
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
+	else if (vp->rev.rBit) {
+		if (psli->sli_flag & LPFC_SLI_ACTIVE)
+			rev = vp->rev.sli2FwRev;
+		else
+			rev = vp->rev.sli1FwRev;
+
+		b1 = (rev & 0x0000f000) >> 12;
+		b2 = (rev & 0x00000f00) >> 8;
+		b3 = (rev & 0x000000c0) >> 6;
+		b4 = (rev & 0x00000030) >> 4;
+
+		switch (b4) {
+		case 0:
+			c = 'N';
+			break;
+		case 1:
+			c = 'A';
+			break;
+		case 2:
+			c = 'B';
+			break;
+		case 3:
+			c = 'X';
+			break;
+		default:
+			c = 0;
+			break;
+		}
+		b4 = (rev & 0x0000000f);
+
+		if (psli->sli_flag & LPFC_SLI_ACTIVE)
+			fwname = vp->rev.sli2FwName;
+		else
+			fwname = vp->rev.sli1FwName;
+
+		for (i = 0; i < 16; i++)
+			if (fwname[i] == 0x20)
+				fwname[i] = 0;
+
+		ptr = (uint32_t*)fwname;
+
+		for (i = 0; i < 3; i++)
+			str[i] = be32_to_cpu(*ptr++);
+
+		if (c == 0) {
+			if (flag)
+				sprintf(fwrevision, "%d.%d%d (%s)",
+					b1, b2, b3, (char *)str);
+			else
+				sprintf(fwrevision, "%d.%d%d", b1,
+					b2, b3);
+		} else {
+			if (flag)
+				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
+					b1, b2, b3, c,
+					b4, (char *)str);
+			else
+				sprintf(fwrevision, "%d.%d%d%c%d",
+					b1, b2, b3, c, b4);
+		}
+	} else {
+		rev = vp->rev.smFwRev;
+
+		b1 = (rev & 0xff000000) >> 24;
+		b2 = (rev & 0x00f00000) >> 20;
+		b3 = (rev & 0x000f0000) >> 16;
+		c  = (rev & 0x0000ff00) >> 8;
+		b4 = (rev & 0x000000ff);
+
+		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
+	}
+	return;
+}
+
+static void
+lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+		      struct lpfc_iocbq *rspiocb)
+{
+	struct lpfc_vport *vport = cmdiocb->vport;
+	struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
+	struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
+	struct lpfc_sli_ct_request *ctcmd = inp->virt;
+	struct lpfc_sli_ct_request *ctrsp = outp->virt;
+	__be16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
+	struct app_id_object *app;
+	struct lpfc_nodelist *ndlp = cmdiocb->ndlp;
+	u32 cmd, hash, bucket;
+	struct lpfc_vmid *vmp, *cur;
+	u8 *data = outp->virt;
+	int i;
+
+	cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
+	if (cmd == SLI_CTAS_DALLAPP_ID)
+		lpfc_ct_free_iocb(phba, cmdiocb);
+
+	if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
+		if (cmd != SLI_CTAS_DALLAPP_ID)
+			goto free_res;
+	}
+	/* Check for a CT LS_RJT response */
+	if (be16_to_cpu(rsp) == SLI_CT_RESPONSE_FS_RJT) {
+		if (cmd != SLI_CTAS_DALLAPP_ID)
+			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+					 "3306 VMID FS_RJT Data: x%x x%x x%x\n",
+					 cmd, ctrsp->ReasonCode,
+					 ctrsp->Explanation);
+		if ((cmd != SLI_CTAS_DALLAPP_ID) ||
+		    (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
+		    (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
+			/* If DALLAPP_ID failed retry later */
+			if (cmd == SLI_CTAS_DALLAPP_ID)
+				vport->load_flag |= FC_DEREGISTER_ALL_APP_ID;
+			goto free_res;
+		}
+	}
+
+	switch (cmd) {
+	case SLI_CTAS_RAPP_IDENT:
+		app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
+		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+				 "6712 RAPP_IDENT app id %d  port id x%x id "
+				 "len %d\n", be32_to_cpu(app->app_id),
+				 be32_to_cpu(app->port_id),
+				 app->obj.entity_id_len);
+
+		if (app->obj.entity_id_len == 0 || app->port_id == 0)
+			goto free_res;
+
+		hash = lpfc_vmid_hash_fn(app->obj.entity_id,
+					 app->obj.entity_id_len);
+		vmp = lpfc_get_vmid_from_hashtable(vport, hash,
+						  app->obj.entity_id);
+		if (vmp) {
+			write_lock(&vport->vmid_lock);
+			vmp->un.app_id = be32_to_cpu(app->app_id);
+			vmp->flag |= LPFC_VMID_REGISTERED;
+			vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
+			write_unlock(&vport->vmid_lock);
+			/* Set IN USE flag */
+			vport->vmid_flag |= LPFC_VMID_IN_USE;
+		} else {
+			lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+					 "6901 No entry found %s hash %d\n",
+					 app->obj.entity_id, hash);
+		}
+		break;
+	case SLI_CTAS_DAPP_IDENT:
+		app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
+		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+				 "6713 DAPP_IDENT app id %d  port id x%x\n",
+				 be32_to_cpu(app->app_id),
+				 be32_to_cpu(app->port_id));
+		break;
+	case SLI_CTAS_DALLAPP_ID:
+		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+				 "8856 Deregistered all app ids\n");
+		read_lock(&vport->vmid_lock);
+		for (i = 0; i < phba->cfg_max_vmid; i++) {
+			vmp = &vport->vmid[i];
+			if (vmp->flag != LPFC_VMID_SLOT_FREE)
+				memset(vmp, 0, sizeof(struct lpfc_vmid));
+		}
+		read_unlock(&vport->vmid_lock);
+		/* for all elements in the hash table */
+		if (!hash_empty(vport->hash_table))
+			hash_for_each(vport->hash_table, bucket, cur, hnode)
+				hash_del(&cur->hnode);
+		vport->load_flag |= FC_ALLOW_VMID;
+		break;
+	default:
+		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+				 "8857 Invalid command code\n");
+	}
+free_res:
+	lpfc_ct_free_iocb(phba, cmdiocb);
+	lpfc_nlp_put(ndlp);
+}
+
+/**
+ * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdcode: application server command code to send
+ * @vmid: pointer to vmid info structure
+ *
+ * Builds and sends a FDMI command using the CT subsystem.
+ */
+int
+lpfc_vmid_cmd(struct lpfc_vport *vport,
+	      int cmdcode, struct lpfc_vmid *vmid)
+{
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_dmabuf *mp, *bmp;
+	struct lpfc_sli_ct_request *ctreq;
+	struct ulp_bde64 *bpl;
+	u32 size;
+	u32 rsp_size;
+	u8 *data;
+	struct lpfc_vmid_rapp_ident_list *rap;
+	struct lpfc_vmid_dapp_ident_list *dap;
+	u8 retry = 0;
+	struct lpfc_nodelist *ndlp;
+
+	void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+		     struct lpfc_iocbq *rspiocb);
+
+	ndlp = lpfc_findnode_did(vport, FDMI_DID);
+	if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
+		return 0;
+
+	cmpl = lpfc_cmpl_ct_cmd_vmid;
+
+	/* fill in BDEs for command */
+	/* Allocate buffer for command payload */
+	mp = kmalloc(sizeof(*mp), GFP_KERNEL);
+	if (!mp)
+		goto vmid_free_mp_exit;
+
+	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
+	if (!mp->virt)
+		goto vmid_free_mp_virt_exit;
+
+	/* Allocate buffer for Buffer ptr list */
+	bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
+	if (!bmp)
+		goto vmid_free_bmp_exit;
+
+	bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
+	if (!bmp->virt)
+		goto vmid_free_bmp_virt_exit;
+
+	INIT_LIST_HEAD(&mp->list);
+	INIT_LIST_HEAD(&bmp->list);
+
+	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+			 "3275 VMID Request Data: x%x x%x x%x\n",
+			 vport->fc_flag, vport->port_state, cmdcode);
+	ctreq = (struct lpfc_sli_ct_request *)mp->virt;
+	data = mp->virt;
+	/* First populate the CT_IU preamble */
+	memset(data, 0, LPFC_BPL_SIZE);
+	ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
+	ctreq->RevisionId.bits.InId = 0;
+
+	ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
+	ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
+
+	ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
+	rsp_size = LPFC_BPL_SIZE;
+	size = 0;
+
+	switch (cmdcode) {
+	case SLI_CTAS_RAPP_IDENT:
+		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+				 "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
+		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
+		rap = (struct lpfc_vmid_rapp_ident_list *)
+			(DAPP_IDENT_OFFSET + data);
+		rap->no_of_objects = cpu_to_be32(1);
+		rap->obj[0].entity_id_len = vmid->vmid_len;
+		memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
+		size = RAPP_IDENT_OFFSET +
+		       struct_size(rap, obj, be32_to_cpu(rap->no_of_objects));
+		retry = 1;
+		break;
+
+	case SLI_CTAS_GALLAPPIA_ID:
+		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
+		size = GALLAPPIA_ID_SIZE;
+		break;
+
+	case SLI_CTAS_DAPP_IDENT:
+		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+				 "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
+		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
+		dap = (struct lpfc_vmid_dapp_ident_list *)
+			(DAPP_IDENT_OFFSET + data);
+		dap->no_of_objects = cpu_to_be32(1);
+		dap->obj[0].entity_id_len = vmid->vmid_len;
+		memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
+		size = DAPP_IDENT_OFFSET +
+		       struct_size(dap, obj, be32_to_cpu(dap->no_of_objects));
+		write_lock(&vport->vmid_lock);
+		vmid->flag &= ~LPFC_VMID_REGISTERED;
+		write_unlock(&vport->vmid_lock);
+		retry = 1;
+		break;
+
+	case SLI_CTAS_DALLAPP_ID:
+		ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
+		size = DALLAPP_ID_SIZE;
+		break;
+
+	default:
+		lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+				 "7062 VMID cmdcode x%x not supported\n",
+				 cmdcode);
+		goto vmid_free_all_mem;
+	}
+
+	ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
+
+	bpl = (struct ulp_bde64 *)bmp->virt;
+	bpl->addrHigh = putPaddrHigh(mp->phys);
+	bpl->addrLow = putPaddrLow(mp->phys);
+	bpl->tus.f.bdeFlags = 0;
+	bpl->tus.f.bdeSize = size;
+
+	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
+	 * to hold ndlp reference for the corresponding callback function.
+	 */
+	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
+		return 0;
+
+ vmid_free_all_mem:
+	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+ vmid_free_bmp_virt_exit:
+	kfree(bmp);
+ vmid_free_bmp_exit:
+	lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ vmid_free_mp_virt_exit:
+	kfree(mp);
+ vmid_free_mp_exit:
+
+	/* Issue CT request failed */
+	lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
+			 "3276 VMID CT request failed Data: x%x\n", cmdcode);
+	return -EIO;
+}