NVME Initiator: Merge into FC discovery

Adds NVME PRLI support and Nameserver registrations and Queries for NVME

Signed-off-by: Dick Kennedy <dick.kenn...@broadcom.com>
Signed-off-by: James Smart <james.sm...@broadcom.com>
---
 drivers/scsi/lpfc/lpfc.h           |   6 +-
 drivers/scsi/lpfc/lpfc_ct.c        | 441 +++++++++++++++++++++++--------------
 drivers/scsi/lpfc/lpfc_disc.h      |  19 +-
 drivers/scsi/lpfc/lpfc_els.c       | 320 +++++++++++++++++++--------
 drivers/scsi/lpfc/lpfc_hbadisc.c   | 169 +++++++++++---
 drivers/scsi/lpfc/lpfc_hw.h        |  77 +++++--
 drivers/scsi/lpfc/lpfc_hw4.h       |  43 ++++
 drivers/scsi/lpfc/lpfc_nportdisc.c | 198 +++++++++++++++--
 8 files changed, 938 insertions(+), 335 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3fad85e..72b4614 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -123,6 +123,8 @@ struct perf_prof {
        uint16_t wqidx[40];
 };
 
+#define LPFC_FC4_TYPE_BITMASK  0x00000100
+
 /* Provide DMA memory definitions the driver uses per port instance. */
 struct lpfc_dmabuf {
        struct list_head list;
@@ -390,7 +392,8 @@ struct lpfc_vport {
        int32_t stopped;   /* HBA has not been restarted since last ERATT */
        uint8_t fc_linkspeed;   /* Link speed after last READ_LA */
 
-       uint32_t num_disc_nodes;        /*in addition to hba_state */
+       uint32_t num_disc_nodes;        /* in addition to hba_state */
+       uint32_t gidft_inp;             /* cnt of outstanding GID_FTs */
 
        uint32_t fc_nlp_cnt;    /* outstanding NODELIST requests */
        uint32_t fc_rscn_id_cnt;        /* count of RSCNs payloads in list */
@@ -443,7 +446,6 @@ struct lpfc_vport {
        uint32_t cfg_max_scsicmpl_time;
        uint32_t cfg_tgt_queue_depth;
        uint32_t cfg_first_burst_size;
-
        uint32_t dev_loss_tmo_changed;
 
        struct fc_vport *fc_vport;
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 4ac03b1..23d6a3c 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -40,8 +40,9 @@
 #include "lpfc_sli4.h"
 #include "lpfc_nl.h"
 #include "lpfc_disc.h"
-#include "lpfc_scsi.h"
 #include "lpfc.h"
+#include "lpfc_scsi.h"
+#include "lpfc_nvme.h"
 #include "lpfc_logmsg.h"
 #include "lpfc_crtn.h"
 #include "lpfc_version.h"
@@ -453,8 +454,73 @@ lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t 
did) {
        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 && NLP_CHK_NODE_ACT(ndlp)) {
+                       /* 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\n", Did,
+                                        ndlp->nlp_flag, ndlp->nlp_fc4_type,
+                                        vport->fc_flag,
+                                        vport->fc_rscn_id_cnt);
+               } else
+                       lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+                                        "0239 Skip x%06x NameServer Rsp "
+                                        "Data: x%x x%x\n", Did,
+                                        vport->fc_flag,
+                                        vport->fc_rscn_id_cnt);
+
+       } else {
+               if (!(vport->fc_flag & FC_RSCN_MODE) ||
+                   lpfc_rscn_payload_check(vport, Did)) {
+                       /*
+                        * This NPortID was previously a FCP target,
+                        * Don't even bother to send GFF_ID.
+                        */
+                       ndlp = lpfc_findnode_did(vport, Did);
+                       if (ndlp && NLP_CHK_NODE_ACT(ndlp))
+                               ndlp->nlp_fc4_type = fc4_type;
+
+                       if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
+                               ndlp->nlp_fc4_type = fc4_type;
+
+                               if (ndlp->nlp_type & NLP_FCP_TARGET)
+                                       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_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 int
-lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
+lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
+           uint32_t Size)
 {
        struct lpfc_hba  *phba = vport->phba;
        struct lpfc_sli_ct_request *Response =
@@ -499,97 +565,12 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf 
*mp, uint32_t Size)
                         */
                        if ((Did != vport->fc_myDID) &&
                            ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
-                            vport->cfg_peer_port_login)) {
-                               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 && NLP_CHK_NODE_ACT(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);
-
-                                               lpfc_printf_vlog(vport,
-                                                       KERN_INFO,
-                                                       LOG_DISCOVERY,
-                                                       "0238 Process "
-                                                       "x%x NameServer Rsp"
-                                                       "Data: x%x x%x x%x\n",
-                                                       Did, ndlp->nlp_flag,
-                                                       vport->fc_flag,
-                                                       vport->fc_rscn_id_cnt);
-                                       } 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%x "
-                                                       "NameServer Rsp Data: "
-                                                       "x%x x%x\n",
-                                                       Did, vport->fc_flag,
-                                                       vport->fc_rscn_id_cnt);
-                                       }
-
-                               } 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 target, * Don't even
-                                                * bother to send GFF_ID.
-                                                */
-                                               ndlp = lpfc_findnode_did(vport,
-                                                       Did);
-                                               if (ndlp &&
-                                                   NLP_CHK_NODE_ACT(ndlp)
-                                                   && (ndlp->nlp_type &
-                                                    NLP_FCP_TARGET))
-                                                       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%x "
-                                                       "NameServer Rsp Data: "
-                                                       "x%x x%x\n",
-                                                       Did, vport->fc_flag,
-                                                       vport->fc_rscn_id_cnt);
-                                       }
-                               }
-                       }
+                            vport->cfg_peer_port_login))
+                               lpfc_prep_node_fc4type(vport, Did, fc4_type);
+
                        if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
                                goto nsout1;
+
                        Cnt -= sizeof(uint32_t);
                }
                ctptr = NULL;
@@ -609,16 +590,18 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
        IOCB_t *irsp;
        struct lpfc_dmabuf *outp;
+       struct lpfc_dmabuf *inp;
        struct lpfc_sli_ct_request *CTrsp;
+       struct lpfc_sli_ct_request *CTreq;
        struct lpfc_nodelist *ndlp;
-       int rc;
+       int rc, type;
 
        /* First save ndlp, before we overwrite it */
        ndlp = cmdiocb->context_un.ndlp;
 
        /* we pass cmdiocb to state machine which needs rspiocb as well */
        cmdiocb->context_un.rsp_iocb = rspiocb;
-
+       inp = (struct lpfc_dmabuf *) cmdiocb->context1;
        outp = (struct lpfc_dmabuf *) cmdiocb->context2;
        irsp = &rspiocb->iocb;
 
@@ -656,9 +639,14 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
                            IOERR_NO_RESOURCES)
                                vport->fc_ns_retry++;
 
+                       type = lpfc_get_gidft_type(vport, cmdiocb);
+                       if (type == 0)
+                               goto out;
+
                        /* CT command is being retried */
+                       vport->gidft_inp--;
                        rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
-                                        vport->fc_ns_retry, 0);
+                                        vport->fc_ns_retry, type);
                        if (rc == 0)
                                goto out;
                }
@@ -670,13 +658,18 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
                                 irsp->ulpStatus, 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\n",
-                                        vport->fc_flag);
-                       lpfc_ns_rsp(vport, outp,
+                                        "0208 NameServer Rsp Data: x%x x%x\n",
+                                        vport->fc_flag,
+                                        CTreq->un.gid.Fc4Type);
+
+                       lpfc_ns_rsp(vport,
+                                   outp,
+                                   CTreq->un.gid.Fc4Type,
                                    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
                } else if (CTrsp->CommandResponse.bits.CmdRsp ==
                           be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
@@ -731,9 +724,11 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
                                (uint32_t) CTrsp->ReasonCode,
                                (uint32_t) CTrsp->Explanation);
                }
+               vport->gidft_inp--;
        }
        /* Link up / RSCN discovery */
-       if (vport->num_disc_nodes == 0) {
+       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
@@ -881,6 +876,56 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
        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;
+       IOCB_t *irsp = &rspiocb->iocb;
+       struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
+       struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
+       struct lpfc_sli_ct_request *CTrsp;
+       int did;
+       struct lpfc_nodelist *ndlp;
+       uint32_t fc4_data_0, fc4_data_1;
+
+       did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
+       did = be32_to_cpu(did);
+
+       if (irsp->ulpStatus == 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_ERR, LOG_DISCOVERY,
+                                "3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
+                                did, fc4_data_0, fc4_data_1);
+
+               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_ERR, LOG_DISCOVERY,
+                                        "3064 Setting ndlp %p, DID x%06x with "
+                                        "FC4 x%08x, Data: x%08x x%08x\n",
+                                        ndlp, did, ndlp->nlp_fc4_type,
+                                        FC_TYPE_FCP, FC_TYPE_NVME);
+               }
+               ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
+               lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
+               lpfc_issue_els_prli(vport, ndlp, 0);
+       } else
+               lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
+                                "3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
+
+       lpfc_ct_free_iocb(phba, cmdiocb);
+}
 
 static void
 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
@@ -1071,31 +1116,27 @@ lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
        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;
-       uint8_t *wwn = vport->phba->wwpn;
-
-       n = snprintf(symbol, size,
-                    "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
-                    wwn[0], wwn[1], wwn[2], wwn[3],
-                    wwn[4], wwn[5], wwn[6], wwn[7]);
 
-       if (vport->port_type == LPFC_PHYSICAL_PORT)
-               return n;
-
-       if (n < size)
-               n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
-
-       if (n < size &&
-           strlen(vport->fc_vport->symbolic_name))
-               n += snprintf(symbol + n, size - n, " VName-%s",
-                             vport->fc_vport->symbolic_name);
+       /*
+        * 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 = snprintf(symbol, size, "%d", vport->phba->brd_no);
        return n;
 }
 
+
 int
 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
        size_t size)
@@ -1106,24 +1147,26 @@ lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, 
char *symbol,
        lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
 
        n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
-
        if (size < n)
                return n;
-       n += snprintf(symbol + n, size - n, " FV%s", fwrev);
 
+       n += snprintf(symbol + n, size - n, " FV%s", fwrev);
        if (size < n)
                return n;
-       n += snprintf(symbol + n, size - n, " DV%s", lpfc_release_version);
 
+       n += snprintf(symbol + n, size - n, " DV%s.",
+                     lpfc_release_version);
        if (size < n)
                return n;
-       n += snprintf(symbol + n, size - n, " HN:%s", init_utsname()->nodename);
 
-       /* Note :- OS name is "Linux" */
+       n += snprintf(symbol + n, size - n, " HN:%s.",
+                     init_utsname()->nodename);
        if (size < n)
                return n;
-       n += snprintf(symbol + n, size - n, " OS:%s", init_utsname()->sysname);
 
+       /* Note :- OS name is "Linux" */
+       n += snprintf(symbol + n, size - n, " OS:%s\n",
+                     init_utsname()->sysname);
        return n;
 }
 
@@ -1148,6 +1191,27 @@ lpfc_find_map_node(struct lpfc_vport *vport)
 }
 
 /*
+ * 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->context1;
+       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
@@ -1207,8 +1271,9 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
 
        /* NameServer Req */
        lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
-                        "0236 NameServer Req Data: x%x x%x x%x\n",
-                        cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
+                        "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));
@@ -1219,6 +1284,8 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
                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)
@@ -1246,7 +1313,8 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
        case SLI_CTNS_GID_FT:
                CtReq->CommandResponse.bits.CmdRsp =
                    cpu_to_be16(SLI_CTNS_GID_FT);
-               CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
+               CtReq->un.gid.Fc4Type = context;
+
                if (vport->port_state < LPFC_NS_QRY)
                        vport->port_state = LPFC_NS_QRY;
                lpfc_set_disctmo(vport);
@@ -1261,12 +1329,32 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
                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.PortId = cpu_to_be32(vport->fc_myDID);
-               CtReq->un.rft.fcpReg = 1;
+
+               /* Register FC4 FCP type if enabled.  */
+               if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+                   (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
+                       CtReq->un.rft.fcpReg = 1;
+
+               /* Register NVME type if enabled.  Defined LE and swapped.
+                * rsvd[0] is used as word1 because of the hard-coded
+                * word0 usage in the ct_request data structure.
+                */
+               if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+                   (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
+                       CtReq->un.rft.rsvd[0] = cpu_to_be32(0x00000100);
+
                cmpl = lpfc_cmpl_ct_cmd_rft_id;
                break;
 
@@ -1316,7 +1404,25 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
                    cpu_to_be16(SLI_CTNS_RFF_ID);
                CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
                CtReq->un.rff.fbits = FC4_FEATURE_INIT;
-               CtReq->un.rff.type_code = FC_TYPE_FCP;
+
+               /* 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 (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+                    (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
+                   (context == FC_TYPE_NVME)) {
+                       /* todo: init: revise localport nvme attributes */
+                       CtReq->un.rff.type_code = context;
+
+               } else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+                           (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
+                          (context == FC_TYPE_FCP))
+                       CtReq->un.rff.type_code = context;
+
+               else
+                       goto ns_cmd_free_bmpvirt;
+
                cmpl = lpfc_cmpl_ct_cmd_rff_id;
                break;
        }
@@ -1337,6 +1443,7 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
         */
        lpfc_nlp_put(ndlp);
 
+ns_cmd_free_bmpvirt:
        lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 ns_cmd_free_bmp:
        kfree(bmp);
@@ -1535,7 +1642,7 @@ lpfc_fdmi_num_disc_check(struct lpfc_vport *vport)
 }
 
 /* Routines for all individual HBA attributes */
-static int
+int
 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def 
*ad)
 {
        struct lpfc_fdmi_attr_entry *ae;
@@ -1551,7 +1658,7 @@ lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct 
lpfc_fdmi_attr_def *ad)
        ad->AttrType = cpu_to_be16(RHBA_NODENAME);
        return size;
 }
-static int
+int
 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
                                struct lpfc_fdmi_attr_def *ad)
 {
@@ -1573,7 +1680,7 @@ lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
 {
        struct lpfc_hba *phba = vport->phba;
@@ -1594,7 +1701,7 @@ lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct 
lpfc_fdmi_attr_def *ad)
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
                         struct lpfc_fdmi_attr_def *ad)
 {
@@ -1615,7 +1722,7 @@ lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
                               struct lpfc_fdmi_attr_def *ad)
 {
@@ -1637,7 +1744,7 @@ lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
                           struct lpfc_fdmi_attr_def *ad)
 {
@@ -1669,7 +1776,7 @@ lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
                            struct lpfc_fdmi_attr_def *ad)
 {
@@ -1690,7 +1797,7 @@ lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
                           struct lpfc_fdmi_attr_def *ad)
 {
@@ -1715,7 +1822,7 @@ lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
                           struct lpfc_fdmi_attr_def *ad)
 {
@@ -1736,7 +1843,7 @@ lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
                          struct lpfc_fdmi_attr_def *ad)
 {
@@ -1759,7 +1866,7 @@ lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
                          struct lpfc_fdmi_attr_def *ad)
 {
@@ -1775,7 +1882,7 @@ lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
                                 struct lpfc_fdmi_attr_def *ad)
 {
@@ -1794,7 +1901,7 @@ lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
                               struct lpfc_fdmi_attr_def *ad)
 {
@@ -1811,7 +1918,7 @@ lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
                             struct lpfc_fdmi_attr_def *ad)
 {
@@ -1828,7 +1935,7 @@ lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
                               struct lpfc_fdmi_attr_def *ad)
 {
@@ -1846,7 +1953,7 @@ lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
                            struct lpfc_fdmi_attr_def *ad)
 {
@@ -1867,7 +1974,7 @@ lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
                              struct lpfc_fdmi_attr_def *ad)
 {
@@ -1884,7 +1991,7 @@ lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
                             struct lpfc_fdmi_attr_def *ad)
 {
@@ -1906,7 +2013,7 @@ lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
 }
 
 /* Routines for all individual PORT attributes */
-static int
+int
 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
                            struct lpfc_fdmi_attr_def *ad)
 {
@@ -1925,7 +2032,7 @@ lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
                                  struct lpfc_fdmi_attr_def *ad)
 {
@@ -1975,7 +2082,7 @@ lpfc_fdmi_port_attr_support_speed(struct lpfc_vport 
*vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
                          struct lpfc_fdmi_attr_def *ad)
 {
@@ -2039,7 +2146,7 @@ lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
                              struct lpfc_fdmi_attr_def *ad)
 {
@@ -2059,7 +2166,7 @@ lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
                               struct lpfc_fdmi_attr_def *ad)
 {
@@ -2081,7 +2188,7 @@ lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
                              struct lpfc_fdmi_attr_def *ad)
 {
@@ -2102,7 +2209,7 @@ lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
                         struct lpfc_fdmi_attr_def *ad)
 {
@@ -2120,7 +2227,7 @@ lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
                         struct lpfc_fdmi_attr_def *ad)
 {
@@ -2138,7 +2245,7 @@ lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
                                  struct lpfc_fdmi_attr_def *ad)
 {
@@ -2156,7 +2263,7 @@ lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport 
*vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
                              struct lpfc_fdmi_attr_def *ad)
 {
@@ -2175,7 +2282,7 @@ lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
                          struct lpfc_fdmi_attr_def *ad)
 {
@@ -2190,7 +2297,7 @@ lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
                                struct lpfc_fdmi_attr_def *ad)
 {
@@ -2208,7 +2315,7 @@ lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
                                   struct lpfc_fdmi_attr_def *ad)
 {
@@ -2227,7 +2334,7 @@ lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport 
*vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
                               struct lpfc_fdmi_attr_def *ad)
 {
@@ -2243,7 +2350,7 @@ lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
                             struct lpfc_fdmi_attr_def *ad)
 {
@@ -2259,7 +2366,7 @@ lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
                            struct lpfc_fdmi_attr_def *ad)
 {
@@ -2274,7 +2381,7 @@ lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
                             struct lpfc_fdmi_attr_def *ad)
 {
@@ -2295,7 +2402,7 @@ lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
                          struct lpfc_fdmi_attr_def *ad)
 {
@@ -2316,7 +2423,7 @@ lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
                             struct lpfc_fdmi_attr_def *ad)
 {
@@ -2337,7 +2444,7 @@ lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
                           struct lpfc_fdmi_attr_def *ad)
 {
@@ -2358,7 +2465,7 @@ lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
                               struct lpfc_fdmi_attr_def *ad)
 {
@@ -2378,7 +2485,7 @@ lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
                         struct lpfc_fdmi_attr_def *ad)
 {
@@ -2393,7 +2500,7 @@ lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
        return size;
 }
 
-static int
+int
 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
                              struct lpfc_fdmi_attr_def *ad)
 {
@@ -2488,7 +2595,7 @@ lpfc_fdmi_cmd(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
        struct lpfc_fdmi_attr_block *ab = NULL;
        int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
        void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
-                    struct lpfc_iocbq *);
+                     struct lpfc_iocbq *);
 
        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
                return 0;
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 1d07a5f..e305e97 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -86,6 +86,17 @@ struct lpfc_nodelist {
 #define NLP_FABRIC         0x4                 /* entry rep a Fabric entity */
 #define NLP_FCP_TARGET     0x8                 /* entry is an FCP target */
 #define NLP_FCP_INITIATOR  0x10                        /* entry is an FCP 
Initiator */
+#define NLP_NVME_TARGET    0x20                        /* entry is a NVME 
Target */
+#define NLP_NVME_INITIATOR 0x40                        /* entry is a NVME 
Initiator */
+
+       uint16_t        nlp_fc4_type;           /* FC types node supports. */
+                                               /* Assigned from GID_FF, only
+                                                * FCP (0x8) and NVME (0x28)
+                                                * supported.
+                                                */
+#define NLP_FC4_NONE   0x0
+#define NLP_FC4_FCP    0x1                     /* FC4 Type FCP (value x8)) */
+#define NLP_FC4_NVME   0x2                     /* FC4 TYPE NVME (value x28) */
 
        uint16_t        nlp_rpi;
        uint16_t        nlp_state;              /* state transition indicator */
@@ -107,8 +118,8 @@ struct lpfc_nodelist {
 
        struct timer_list   nlp_delayfunc;      /* Used for delayed ELS cmds */
        struct lpfc_hba *phba;
-       struct fc_rport *rport;                 /* Corresponding FC transport
-                                                  port structure */
+       struct fc_rport *rport;         /* scsi_transport_fc port structure */
+       struct lpfc_nvme_rport *nrport; /* nvme transport rport struct. */
        struct lpfc_vport *vport;
        struct lpfc_work_evt els_retry_evt;
        struct lpfc_work_evt dev_loss_evt;
@@ -118,6 +129,10 @@ struct lpfc_nodelist {
        unsigned long last_change_time;
        unsigned long *active_rrqs_xri_bitmap;
        struct lpfc_scsicmd_bkt *lat_data;      /* Latency data */
+       uint32_t fc4_prli_sent;
+       uint32_t upcall_flags;
+       uint32_t nvme_fb_size; /* NVME target's supported byte cnt */
+#define NVME_FB_BIT_SHIFT 9    /* PRLI Rsp first burst in 512B units. */
 };
 struct lpfc_node_rrq {
        struct list_head list;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index f61e1c2..3d915ee 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -29,7 +29,6 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
 
-
 #include "lpfc_hw4.h"
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
@@ -1517,7 +1516,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t 
*prsp,
                         struct lpfc_nodelist *ndlp)
 {
        struct lpfc_vport    *vport = ndlp->vport;
-       struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+       struct Scsi_Host     *shost = lpfc_shost_from_vport(vport);
        struct lpfc_nodelist *new_ndlp;
        struct lpfc_rport_data *rdata;
        struct fc_rport *rport;
@@ -1871,10 +1870,12 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
 
        /* PLOGI completes to NPort <nlp_DID> */
        lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
-                        "0102 PLOGI completes to NPort x%x "
+                        "0102 PLOGI completes to NPort x%06x "
                         "Data: x%x x%x x%x x%x x%x\n",
-                        ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4],
-                        irsp->ulpTimeout, disc, vport->num_disc_nodes);
+                        ndlp->nlp_DID, ndlp->nlp_fc4_type,
+                        irsp->ulpStatus, irsp->un.ulpWord[4],
+                        disc, vport->num_disc_nodes);
+
        /* Check to see if link went down during discovery */
        if (lpfc_els_chk_latt(vport)) {
                spin_lock_irq(shost->host_lock);
@@ -2003,12 +2004,21 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t 
did, uint8_t retry)
                sp->cmn.fcphHigh = FC_PH3;
 
        sp->cmn.valid_vendor_ver_level = 0;
-       memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
+       memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion));
 
        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
                "Issue PLOGI:     did:x%x",
                did, 0, 0);
 
+       /* If our firmware supports this feature, convey that
+        * information to the target using the vendor specific field.
+        */
+       if (phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) {
+               sp->cmn.valid_vendor_ver_level = 1;
+               sp->un.vv.vid = cpu_to_be32(LPFC_VV_EMLX_ID);
+               sp->un.vv.flags = cpu_to_be32(LPFC_VV_SUPPRESS_RSP);
+       }
+
        phba->fc_stat.elsXmitPLOGI++;
        elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi;
        ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
@@ -2055,14 +2065,17 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
                "PRLI cmpl:       status:x%x/x%x did:x%x",
                irsp->ulpStatus, irsp->un.ulpWord[4],
                ndlp->nlp_DID);
+
+       /* Ddriver supports multiple FC4 types.  Counters matter. */
+       vport->fc_prli_sent--;
+
        /* PRLI completes to NPort <nlp_DID> */
        lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
-                        "0103 PRLI completes to NPort x%x "
+                        "0103 PRLI completes to NPort x%06x "
                         "Data: x%x x%x x%x x%x\n",
                         ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4],
-                        irsp->ulpTimeout, vport->num_disc_nodes);
+                        vport->num_disc_nodes, ndlp->fc4_prli_sent);
 
-       vport->fc_prli_sent--;
        /* Check to see if link went down during discovery */
        if (lpfc_els_chk_latt(vport))
                goto out;
@@ -2071,6 +2084,7 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
                /* Check for retry */
                if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
                        /* ELS command is being retried */
+                       ndlp->fc4_prli_sent--;
                        goto out;
                }
                /* PRLI failed */
@@ -2085,9 +2099,14 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
                        lpfc_disc_state_machine(vport, ndlp, cmdiocb,
                                                NLP_EVT_CMPL_PRLI);
        } else
-               /* Good status, call state machine */
+               /* Good status, call state machine.  However, if another
+                * PRLI is outstanding, don't call the state machine
+                * because final disposition to Mapped or Unmapped is
+                * completed there.
+                */
                lpfc_disc_state_machine(vport, ndlp, cmdiocb,
                                        NLP_EVT_CMPL_PRLI);
+
 out:
        lpfc_els_free_iocb(phba, cmdiocb);
        return;
@@ -2121,11 +2140,25 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
        struct lpfc_hba *phba = vport->phba;
        PRLI *npr;
+       struct lpfc_nvme_prli *npr_nvme;
        struct lpfc_iocbq *elsiocb;
        uint8_t *pcmd;
        uint16_t cmdsize;
+       uint32_t local_nlp_type;
+
+       local_nlp_type = ndlp->nlp_fc4_type;
 
-       cmdsize = (sizeof(uint32_t) + sizeof(PRLI));
+ send_next_prli:
+       if (local_nlp_type & NLP_FC4_FCP)
+               cmdsize = (sizeof(uint32_t) + sizeof(PRLI));
+       else if (local_nlp_type & NLP_FC4_NVME)
+               cmdsize = (sizeof(uint32_t) + sizeof(struct lpfc_nvme_prli));
+       else {
+               lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+                                "3083 Unknown FC_TYPE x%x ndlp x%06x\n",
+                                ndlp->nlp_fc4_type, ndlp->nlp_DID);
+               return 1;
+       }
        elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
                                     ndlp->nlp_DID, ELS_CMD_PRLI);
        if (!elsiocb)
@@ -2134,29 +2167,61 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
        pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
 
        /* For PRLI request, remainder of payload is service parameters */
-       memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t)));
+       memset(pcmd, 0, cmdsize);
        *((uint32_t *) (pcmd)) = ELS_CMD_PRLI;
        pcmd += sizeof(uint32_t);
 
-       /* For PRLI, remainder of payload is PRLI parameter page */
-       npr = (PRLI *) pcmd;
-       /*
-        * If our firmware version is 3.20 or later,
-        * set the following bits for FC-TAPE support.
-        */
-       if (phba->vpd.rev.feaLevelHigh >= 0x02) {
-               npr->ConfmComplAllowed = 1;
-               npr->Retry = 1;
-               npr->TaskRetryIdReq = 1;
-       }
-       npr->estabImagePair = 1;
-       npr->readXferRdyDis = 1;
-        if (vport->cfg_first_burst_size)
-               npr->writeXferRdyDis = 1;
+       if (local_nlp_type & NLP_FC4_FCP) {
+               /* Remainder of payload is FCP PRLI parameter page.
+                * Note: this data structure is defined as
+                * BE/LE in the structure definition so no
+                * byte swap call is made.
+                */
+               npr = (PRLI *)pcmd;
+
+               /*
+                * If our firmware version is 3.20 or later,
+                * set the following bits for FC-TAPE support.
+                */
+               if (phba->vpd.rev.feaLevelHigh >= 0x02) {
+                       npr->ConfmComplAllowed = 1;
+                       npr->Retry = 1;
+                       npr->TaskRetryIdReq = 1;
+               }
+               npr->estabImagePair = 1;
+               npr->readXferRdyDis = 1;
+               if (vport->cfg_first_burst_size)
+                       npr->writeXferRdyDis = 1;
+
+               /* For FCP support */
+               npr->prliType = PRLI_FCP_TYPE;
+               npr->initiatorFunc = 1;
+               elsiocb->iocb_flag |= LPFC_PRLI_FCP_REQ;
+
+               /* Remove FCP type - processed. */
+               local_nlp_type &= ~NLP_FC4_FCP;
+       } else if (local_nlp_type & NLP_FC4_NVME) {
+               /* Remainder of payload is NVME PRLI parameter page.
+                * This data structure is the newer definition that
+                * uses bf macros so a byte swap is required.
+                */
+               npr_nvme = (struct lpfc_nvme_prli *)pcmd;
+               bf_set(prli_type_code, npr_nvme, PRLI_NVME_TYPE);
+               bf_set(prli_estabImagePair, npr_nvme, 0);  /* Should be 0 */
+
+               /* Only initiators request first burst. */
+               if ((phba->cfg_nvme_enable_fb) &&
+                   !phba->nvmet_support)
+                       bf_set(prli_fba, npr_nvme, 1);
 
-       /* For FCP support */
-       npr->prliType = PRLI_FCP_TYPE;
-       npr->initiatorFunc = 1;
+               bf_set(prli_init, npr_nvme, 1);
+               npr_nvme->word1 = cpu_to_be32(npr_nvme->word1);
+               npr_nvme->word4 = cpu_to_be32(npr_nvme->word4);
+               elsiocb->iocb_flag |= LPFC_PRLI_NVME_REQ;
+
+               /* Remove NVME type - processed. */
+               local_nlp_type &= ~NLP_FC4_NVME;
+       }
 
        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
                "Issue PRLI:      did:x%x",
@@ -2175,7 +2240,20 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
                lpfc_els_free_iocb(phba, elsiocb);
                return 1;
        }
+
+       /* The vport counters are used for lpfc_scan_finished, but
+        * the ndlp is used to track outstanding PRLIs for different
+        * FC4 types.
+        */
        vport->fc_prli_sent++;
+       ndlp->fc4_prli_sent++;
+
+       /* The driver supports 2 FC4 types.  Make sure
+        * a PRLI is issued for all types before exiting.
+        */
+       if (local_nlp_type & (NLP_FC4_FCP | NLP_FC4_NVME))
+               goto send_next_prli;
+
        return 0;
 }
 
@@ -2546,6 +2624,9 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct 
lpfc_iocbq *cmdiocb,
        if ((vport->fc_flag & FC_PT2PT) &&
                !(vport->fc_flag & FC_PT2PT_PLOGI)) {
                phba->pport->fc_myDID = 0;
+
+               /* todo: init: revise localport nvme attributes */
+
                mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
                if (mbox) {
                        lpfc_config_link(phba, mbox);
@@ -3996,7 +4077,18 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
                               sizeof(struct serv_parm));
 
                        sp->cmn.valid_vendor_ver_level = 0;
-                       memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
+                       memset(sp->un.vendorVersion, 0,
+                              sizeof(sp->un.vendorVersion));
+
+                       /* If our firmware supports this feature, convey that
+                        * info to the target using the vendor specific field.
+                        */
+                       if (phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) {
+                               sp->cmn.valid_vendor_ver_level = 1;
+                               sp->un.vv.vid = cpu_to_be32(LPFC_VV_EMLX_ID);
+                               sp->un.vv.flags =
+                                       cpu_to_be32(LPFC_VV_SUPPRESS_RSP);
+                       }
                }
 
                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
@@ -4232,15 +4324,37 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct 
lpfc_iocbq *oldiocb,
 {
        struct lpfc_hba  *phba = vport->phba;
        PRLI *npr;
+       struct lpfc_nvme_prli *npr_nvme;
        lpfc_vpd_t *vpd;
        IOCB_t *icmd;
        IOCB_t *oldcmd;
        struct lpfc_iocbq *elsiocb;
        uint8_t *pcmd;
        uint16_t cmdsize;
+       uint32_t prli_fc4_req, *req_payload;
+       struct lpfc_dmabuf *req_buf;
        int rc;
 
-       cmdsize = sizeof(uint32_t) + sizeof(PRLI);
+       /* Need the incoming PRLI payload to determine if the ACC is for an
+        * FC4 or NVME PRLI type.  The PRLI type is at word 1.
+        */
+       req_buf = (struct lpfc_dmabuf *)oldiocb->context2;
+       req_payload = (((uint32_t *)req_buf->virt) + 1);
+
+       /* PRLI type payload is at byte 3 for FCP or NVME. */
+       prli_fc4_req = be32_to_cpu(*req_payload);
+       prli_fc4_req = (prli_fc4_req >> 24) & 0xff;
+       lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+                        "6127 PRLI_ACC:  Req Type x%x, Word1 x%08x\n",
+                        prli_fc4_req, *((uint32_t *)req_payload));
+
+       if (prli_fc4_req == PRLI_FCP_TYPE)
+               cmdsize = sizeof(uint32_t) + sizeof(PRLI);
+       else if (prli_fc4_req & PRLI_NVME_TYPE)
+               cmdsize = sizeof(uint32_t) + sizeof(struct lpfc_nvme_prli);
+       else
+               return 1;
+
        elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
                ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)));
        if (!elsiocb)
@@ -4259,33 +4373,56 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct 
lpfc_iocbq *oldiocb,
                         ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
                         ndlp->nlp_rpi);
        pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+       memset(pcmd, 0, cmdsize);
 
        *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK));
        pcmd += sizeof(uint32_t);
 
        /* For PRLI, remainder of payload is PRLI parameter page */
-       memset(pcmd, 0, sizeof(PRLI));
-
-       npr = (PRLI *) pcmd;
        vpd = &phba->vpd;
-       /*
-        * If the remote port is a target and our firmware version is 3.20 or
-        * later, set the following bits for FC-TAPE support.
-        */
-       if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
-           (vpd->rev.feaLevelHigh >= 0x02)) {
-               npr->ConfmComplAllowed = 1;
-               npr->Retry = 1;
-               npr->TaskRetryIdReq = 1;
-       }
-
-       npr->acceptRspCode = PRLI_REQ_EXECUTED;
-       npr->estabImagePair = 1;
-       npr->readXferRdyDis = 1;
-       npr->ConfmComplAllowed = 1;
 
-       npr->prliType = PRLI_FCP_TYPE;
-       npr->initiatorFunc = 1;
+       if (prli_fc4_req == PRLI_FCP_TYPE) {
+               /*
+                * If the remote port is a target and our firmware version
+                * is 3.20 or later, set the following bits for FC-TAPE
+                * support.
+                */
+               npr = (PRLI *) pcmd;
+               if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
+                   (vpd->rev.feaLevelHigh >= 0x02)) {
+                       npr->ConfmComplAllowed = 1;
+                       npr->Retry = 1;
+                       npr->TaskRetryIdReq = 1;
+               }
+               npr->acceptRspCode = PRLI_REQ_EXECUTED;
+               npr->estabImagePair = 1;
+               npr->readXferRdyDis = 1;
+               npr->ConfmComplAllowed = 1;
+               npr->prliType = PRLI_FCP_TYPE;
+               npr->initiatorFunc = 1;
+       } else if (prli_fc4_req & PRLI_NVME_TYPE) {
+               /* Respond with an NVME PRLI Type */
+               npr_nvme = (struct lpfc_nvme_prli *) pcmd;
+               bf_set(prli_type_code, npr_nvme, PRLI_NVME_TYPE);
+               bf_set(prli_estabImagePair, npr_nvme, 0);  /* Should be 0 */
+               bf_set(prli_acc_rsp_code, npr_nvme, PRLI_REQ_EXECUTED);
+               bf_set(prli_init, npr_nvme, 1);
+
+               lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
+                                "6015 NVME issue PRLI ACC word1 x%08x "
+                                "word4 x%08x word5 x%08x flag x%x, "
+                                "fcp_info x%x nlp_type x%x\n",
+                                npr_nvme->word1, npr_nvme->word4,
+                                npr_nvme->word5, ndlp->nlp_flag,
+                                ndlp->nlp_fcp_info, ndlp->nlp_type);
+               npr_nvme->word1 = cpu_to_be32(npr_nvme->word1);
+               npr_nvme->word4 = cpu_to_be32(npr_nvme->word4);
+               npr_nvme->word5 = cpu_to_be32(npr_nvme->word5);
+       } else
+               lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+                                "6128 Unknown FC_TYPE x%x x%x ndlp x%06x\n",
+                                prli_fc4_req, ndlp->nlp_fc4_type,
+                                ndlp->nlp_DID);
 
        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
                "Issue ACC PRLI:  did:x%x flg:x%x",
@@ -4412,7 +4549,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t 
format,
  **/
 static void
 lpfc_els_clear_rrq(struct lpfc_vport *vport,
-      struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp)
+                  struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp)
 {
        struct lpfc_hba  *phba = vport->phba;
        uint8_t *pcmd;
@@ -4626,7 +4763,7 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport)
        return sentplogi;
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_link_service(struct fc_rdp_link_service_desc *desc,
                uint32_t word0)
 {
@@ -4638,7 +4775,7 @@ lpfc_rdp_res_link_service(struct fc_rdp_link_service_desc 
*desc,
        return sizeof(struct fc_rdp_link_service_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_sfp_desc(struct fc_rdp_sfp_desc *desc,
                uint8_t *page_a0, uint8_t *page_a2)
 {
@@ -4703,7 +4840,7 @@ lpfc_rdp_res_sfp_desc(struct fc_rdp_sfp_desc *desc,
        return sizeof(struct fc_rdp_sfp_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_link_error(struct fc_rdp_link_error_status_desc *desc,
                READ_LNK_VAR *stat)
 {
@@ -4732,7 +4869,7 @@ lpfc_rdp_res_link_error(struct 
fc_rdp_link_error_status_desc *desc,
        return sizeof(struct fc_rdp_link_error_status_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_bbc_desc(struct fc_rdp_bbc_desc *desc, READ_LNK_VAR *stat,
                      struct lpfc_vport *vport)
 {
@@ -4757,7 +4894,7 @@ lpfc_rdp_res_bbc_desc(struct fc_rdp_bbc_desc *desc, 
READ_LNK_VAR *stat,
        return sizeof(struct fc_rdp_bbc_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_oed_temp_desc(struct lpfc_hba *phba,
                           struct fc_rdp_oed_sfp_desc *desc, uint8_t *page_a2)
 {
@@ -4785,7 +4922,7 @@ lpfc_rdp_res_oed_temp_desc(struct lpfc_hba *phba,
        return sizeof(struct fc_rdp_oed_sfp_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_oed_voltage_desc(struct lpfc_hba *phba,
                              struct fc_rdp_oed_sfp_desc *desc,
                              uint8_t *page_a2)
@@ -4814,7 +4951,7 @@ lpfc_rdp_res_oed_voltage_desc(struct lpfc_hba *phba,
        return sizeof(struct fc_rdp_oed_sfp_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_oed_txbias_desc(struct lpfc_hba *phba,
                             struct fc_rdp_oed_sfp_desc *desc,
                             uint8_t *page_a2)
@@ -4843,7 +4980,7 @@ lpfc_rdp_res_oed_txbias_desc(struct lpfc_hba *phba,
        return sizeof(struct fc_rdp_oed_sfp_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_oed_txpower_desc(struct lpfc_hba *phba,
                              struct fc_rdp_oed_sfp_desc *desc,
                              uint8_t *page_a2)
@@ -4873,7 +5010,7 @@ lpfc_rdp_res_oed_txpower_desc(struct lpfc_hba *phba,
 }
 
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_oed_rxpower_desc(struct lpfc_hba *phba,
                              struct fc_rdp_oed_sfp_desc *desc,
                              uint8_t *page_a2)
@@ -4902,7 +5039,7 @@ lpfc_rdp_res_oed_rxpower_desc(struct lpfc_hba *phba,
        return sizeof(struct fc_rdp_oed_sfp_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_opd_desc(struct fc_rdp_opd_sfp_desc *desc,
                      uint8_t *page_a0, struct lpfc_vport *vport)
 {
@@ -4910,13 +5047,13 @@ lpfc_rdp_res_opd_desc(struct fc_rdp_opd_sfp_desc *desc,
        memcpy(desc->opd_info.vendor_name, &page_a0[SSF_VENDOR_NAME], 16);
        memcpy(desc->opd_info.model_number, &page_a0[SSF_VENDOR_PN], 16);
        memcpy(desc->opd_info.serial_number, &page_a0[SSF_VENDOR_SN], 16);
-       memcpy(desc->opd_info.revision, &page_a0[SSF_VENDOR_REV], 2);
+       memcpy(desc->opd_info.revision, &page_a0[SSF_VENDOR_REV], 4);
        memcpy(desc->opd_info.date, &page_a0[SSF_DATE_CODE], 8);
        desc->length = cpu_to_be32(sizeof(desc->opd_info));
        return sizeof(struct fc_rdp_opd_sfp_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_fec_desc(struct fc_fec_rdp_desc *desc, READ_LNK_VAR *stat)
 {
        if (bf_get(lpfc_read_link_stat_gec2, stat) == 0)
@@ -4933,7 +5070,7 @@ lpfc_rdp_res_fec_desc(struct fc_fec_rdp_desc *desc, 
READ_LNK_VAR *stat)
        return sizeof(struct fc_fec_rdp_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_speed(struct fc_rdp_port_speed_desc *desc, struct lpfc_hba *phba)
 {
        uint16_t rdp_cap = 0;
@@ -4995,24 +5132,24 @@ lpfc_rdp_res_speed(struct fc_rdp_port_speed_desc *desc, 
struct lpfc_hba *phba)
        return sizeof(struct fc_rdp_port_speed_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_diag_port_names(struct fc_rdp_port_name_desc *desc,
-               struct lpfc_hba *phba)
+               struct lpfc_vport *vport)
 {
 
        desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG);
 
-       memcpy(desc->port_names.wwnn, phba->wwnn,
+       memcpy(desc->port_names.wwnn, &vport->fc_nodename,
                        sizeof(desc->port_names.wwnn));
 
-       memcpy(desc->port_names.wwpn, &phba->wwpn,
+       memcpy(desc->port_names.wwpn, &vport->fc_portname,
                        sizeof(desc->port_names.wwpn));
 
        desc->length = cpu_to_be32(sizeof(desc->port_names));
        return sizeof(struct fc_rdp_port_name_desc);
 }
 
-static uint32_t
+uint32_t
 lpfc_rdp_res_attach_port_names(struct fc_rdp_port_name_desc *desc,
                struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 {
@@ -5036,7 +5173,7 @@ lpfc_rdp_res_attach_port_names(struct 
fc_rdp_port_name_desc *desc,
        return sizeof(struct fc_rdp_port_name_desc);
 }
 
-static void
+void
 lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context,
                int status)
 {
@@ -5099,7 +5236,7 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct 
lpfc_rdp_context *rdp_context,
        len += lpfc_rdp_res_link_error((struct fc_rdp_link_error_status_desc *)
                                       (len + pcmd), &rdp_context->link_stat);
        len += lpfc_rdp_res_diag_port_names((struct fc_rdp_port_name_desc *)
-                                            (len + pcmd), phba);
+                                            (len + pcmd), vport);
        len += lpfc_rdp_res_attach_port_names((struct fc_rdp_port_name_desc *)
                                        (len + pcmd), vport, ndlp);
        len += lpfc_rdp_res_fec_desc((struct fc_fec_rdp_desc *)(len + pcmd),
@@ -5172,9 +5309,10 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct 
lpfc_rdp_context *rdp_context,
                lpfc_els_free_iocb(phba, elsiocb);
 free_rdp_context:
        kfree(rdp_context);
+       return;
 }
 
-static int
+int
 lpfc_get_rdp_info(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context)
 {
        LPFC_MBOXQ_t *mbox = NULL;
@@ -5232,11 +5370,9 @@ lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct 
lpfc_iocbq *cmdiocb,
        struct lpfc_rdp_context *rdp_context;
        IOCB_t *cmd = NULL;
        struct ls_rjt stat;
-
        if (phba->sli_rev < LPFC_SLI_REV4 ||
-                       (bf_get(lpfc_sli_intf_if_type,
-                               &phba->sli4_hba.sli_intf) !=
-                                               LPFC_SLI_INTF_IF_TYPE_2)) {
+           (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+                   LPFC_SLI_INTF_IF_TYPE_2)) {
                rjt_err = LSRJT_UNABLE_TPC;
                rjt_expl = LSEXP_REQ_UNSUPPORTED;
                goto error;
@@ -5319,12 +5455,12 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t 
*pmb)
        struct ls_rjt *stat;
        union lpfc_sli4_cfg_shdr *shdr;
        struct lpfc_lcb_context *lcb_context;
-       struct fc_lcb_res_frame *lcb_res;
+       struct fc_lcb_res_frame  *lcb_res;
        uint32_t cmdsize, shdr_status, shdr_add_status;
        int rc;
 
        mb = &pmb->u.mb;
-       lcb_context = (struct lpfc_lcb_context *)pmb->context1;
+       lcb_context  = (struct lpfc_lcb_context *)pmb->context1;
        ndlp = lcb_context->ndlp;
        pmb->context1 = NULL;
        pmb->context2 = NULL;
@@ -5404,6 +5540,7 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
                lpfc_els_free_iocb(phba, elsiocb);
 free_lcb_context:
        kfree(lcb_context);
+       return;
 }
 
 static int
@@ -5411,7 +5548,7 @@ lpfc_sli4_set_beacon(struct lpfc_vport *vport,
                     struct lpfc_lcb_context *lcb_context,
                     uint32_t beacon_state)
 {
-       struct lpfc_hba *phba = vport->phba;
+       struct lpfc_hba  *phba = vport->phba;
        LPFC_MBOXQ_t *mbox = NULL;
        uint32_t len;
        int rc;
@@ -5452,7 +5589,7 @@ lpfc_sli4_set_beacon(struct lpfc_vport *vport,
  *
  * This routine processes an unsolicited LCB(LINK CABLE BEACON) IOCB.
  * First, the payload of the unsolicited LCB is checked.
- * Then based on Subcommand beacon will either turn on or off.
+ * Then based on Subcommand  either Becon will turn on or off.
  *
  * Return code
  * 0 - Sent the acc response
@@ -5462,10 +5599,10 @@ static int
 lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
                 struct lpfc_nodelist *ndlp)
 {
-       struct lpfc_hba *phba = vport->phba;
+       struct lpfc_hba  *phba = vport->phba;
        struct lpfc_dmabuf *pcmd;
        uint8_t *lp;
-       struct fc_lcb_request_frame *beacon;
+       struct fc_lcb_request_frame  *beacon;
        struct lpfc_lcb_context *lcb_context;
        uint8_t state, rjt_err;
        struct ls_rjt stat;
@@ -5495,12 +5632,12 @@ lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct 
lpfc_iocbq *cmdiocb,
                rjt_err = LSRJT_CMD_UNSUPPORTED;
                goto rjt;
        }
-       if (beacon->lcb_frequency == 0) {
+       if (beacon->lcb_frequency  == 0) {
                rjt_err = LSRJT_CMD_UNSUPPORTED;
                goto rjt;
        }
        if ((beacon->lcb_type != LPFC_LCB_GREEN) &&
-           (beacon->lcb_type != LPFC_LCB_AMBER)) {
+           (beacon->lcb_type  != LPFC_LCB_AMBER)) {
                rjt_err = LSRJT_CMD_UNSUPPORTED;
                goto rjt;
        }
@@ -5511,7 +5648,7 @@ lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct 
lpfc_iocbq *cmdiocb,
        }
        if ((beacon->lcb_sub_command == LPFC_LCB_ON) &&
            (beacon->lcb_type != LPFC_LCB_GREEN) &&
-           (beacon->lcb_type != LPFC_LCB_AMBER)) {
+           (beacon->lcb_type  != LPFC_LCB_AMBER)) {
                rjt_err = LSRJT_CMD_UNSUPPORTED;
                goto rjt;
        }
@@ -5977,9 +6114,11 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
        if (ndlp && NLP_CHK_NODE_ACT(ndlp)
            && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
                /* Good ndlp, issue CT Request to NameServer */
-               if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0)
+               vport->gidft_inp = 0;
+               if (lpfc_issue_gidft(vport) == 0)
                        /* Wait for NameServer query cmpl before we can
-                          continue */
+                        * continue
+                        */
                        return 1;
        } else {
                /* If login to NameServer does not exist, issue one */
@@ -6083,7 +6222,6 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct 
lpfc_iocbq *cmdiocb,
 
        (void) lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1);
 
-
        /*
         * If our portname is greater than the remote portname,
         * then we initiate Nport login.
@@ -8013,7 +8151,7 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct 
lpfc_sli_ring *pring,
        }
 }
 
-static void
+void
 lpfc_start_fdmi(struct lpfc_vport *vport)
 {
        struct lpfc_hba *phba = vport->phba;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 4293b94..55a16f2 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -31,6 +31,9 @@
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
+#include <scsi/fc/fc_fs.h>
+
+#include <linux/nvme-fc-driver.h>
 
 #include "lpfc_hw4.h"
 #include "lpfc_hw.h"
@@ -38,8 +41,9 @@
 #include "lpfc_disc.h"
 #include "lpfc_sli.h"
 #include "lpfc_sli4.h"
-#include "lpfc_scsi.h"
 #include "lpfc.h"
+#include "lpfc_scsi.h"
+#include "lpfc_nvme.h"
 #include "lpfc_logmsg.h"
 #include "lpfc_crtn.h"
 #include "lpfc_vport.h"
@@ -856,9 +860,12 @@ lpfc_port_link_failure(struct lpfc_vport *vport)
 void
 lpfc_linkdown_port(struct lpfc_vport *vport)
 {
+       struct lpfc_hba  *phba = vport->phba;
        struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);
 
-       fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0);
+       if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME)
+               fc_host_post_event(shost, fc_get_event_number(),
+                                  FCH_EVT_LINKDOWN, 0);
 
        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
                "Link Down:       state:x%x rtry:x%x flg:x%x",
@@ -984,7 +991,9 @@ lpfc_linkup_port(struct lpfc_vport *vport)
                (vport != phba->pport))
                return;
 
-       fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0);
+       if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME)
+               fc_host_post_event(shost, fc_get_event_number(),
+                                  FCH_EVT_LINKUP, 0);
 
        spin_lock_irq(shost->host_lock);
        vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
@@ -3575,6 +3584,8 @@ lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t 
*pmb)
                vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
                spin_unlock_irq(shost->host_lock);
                vport->fc_myDID = 0;
+
+               /* todo: init: revise localport nvme attributes */
                goto out;
        }
 
@@ -3824,6 +3835,52 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, 
LPFC_MBOXQ_t *pmb)
        return;
 }
 
+ /*
+  * This routine will issue a GID_FT for each FC4 Type supported
+  * by the driver. ALL GID_FTs must complete before discovery is started.
+  */
+int
+lpfc_issue_gidft(struct lpfc_vport *vport)
+{
+       struct lpfc_hba *phba = vport->phba;
+
+       /* Good status, issue CT Request to NameServer */
+       if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+           (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) {
+               if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, SLI_CTPT_FCP)) {
+                       /* Cannot issue NameServer FCP Query, so finish up
+                        * discovery
+                        */
+                       lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI,
+                                        "0604 %s FC TYPE %x %s\n",
+                                        "Failed to issue GID_FT to ",
+                                        FC_TYPE_FCP,
+                                        "Finishing discovery.");
+                       return 0;
+               }
+               vport->gidft_inp++;
+       }
+
+       if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+           (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {
+               if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, SLI_CTPT_NVME)) {
+                       /* Cannot issue NameServer NVME Query, so finish up
+                        * discovery
+                        */
+                       lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI,
+                                        "0605 %s FC_TYPE %x %s %d\n",
+                                        "Failed to issue GID_FT to ",
+                                        FC_TYPE_NVME,
+                                        "Finishing discovery: gidftinp ",
+                                        vport->gidft_inp);
+                       if (vport->gidft_inp == 0)
+                               return 0;
+               } else
+                       vport->gidft_inp++;
+       }
+       return vport->gidft_inp;
+}
+
 /*
  * This routine handles processing a NameServer REG_LOGIN mailbox
  * command upon completion. It is setup in the LPFC_MBOXQ
@@ -3840,12 +3897,14 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, 
LPFC_MBOXQ_t *pmb)
 
        pmb->context1 = NULL;
        pmb->context2 = NULL;
+       vport->gidft_inp = 0;
 
        if (mb->mbxStatus) {
-out:
                lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
                                 "0260 Register NameServer error: 0x%x\n",
                                 mb->mbxStatus);
+
+out:
                /* decrement the node reference count held for this
                 * callback function.
                 */
@@ -3889,20 +3948,28 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, 
LPFC_MBOXQ_t *pmb)
                lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
                lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
                lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0);
-               lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0);
+
+               if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+                   (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
+                       lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, FC_TYPE_FCP);
+
+               if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+                   (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
+                       lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, FC_TYPE_NVME);
 
                /* Issue SCR just before NameServer GID_FT Query */
                lpfc_issue_els_scr(vport, SCR_DID, 0);
        }
 
        vport->fc_ns_retry = 0;
-       /* Good status, issue CT Request to NameServer */
-       if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) {
-               /* Cannot issue NameServer Query, so finish up discovery */
+       if (lpfc_issue_gidft(vport) == 0)
                goto out;
-       }
 
-       /* decrement the node reference count held for this
+       /*
+        * At this point in time we may need to wait for multiple
+        * SLI_CTNS_GID_FT CT commands to complete before we start discovery.
+        *
+        * decrement the node reference count held for this
         * callback function.
         */
        lpfc_nlp_put(ndlp);
@@ -3995,6 +4062,10 @@ lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp)
 {
        struct fc_rport *rport = ndlp->rport;
        struct lpfc_vport *vport = ndlp->vport;
+       struct lpfc_hba  *phba = vport->phba;
+
+       if (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
+               return;
 
        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
                "rport delete:    did:x%x flg:x%x type x%x",
@@ -4052,6 +4123,7 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
                       int old_state, int new_state)
 {
        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+       struct lpfc_hba *phba = vport->phba;
 
        if (new_state == NLP_STE_UNMAPPED_NODE) {
                ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
@@ -4062,23 +4134,51 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
        if (new_state == NLP_STE_NPR_NODE)
                ndlp->nlp_flag &= ~NLP_RCV_PLOGI;
 
-       /* Transport interface */
-       if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE ||
-                           old_state == NLP_STE_UNMAPPED_NODE)) {
-               vport->phba->nport_event_cnt++;
-               lpfc_unregister_remote_port(ndlp);
+       /* FCP and NVME Transport interface */
+       if ((old_state == NLP_STE_MAPPED_NODE ||
+            old_state == NLP_STE_UNMAPPED_NODE)) {
+               if (ndlp->rport) {
+                       vport->phba->nport_event_cnt++;
+                       lpfc_unregister_remote_port(ndlp);
+               }
+
+               /* Notify the NVME transport of this rport's loss */
+               if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+                    (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
+                   (vport->phba->nvmet_support == 0) &&
+                   ((ndlp->nlp_fc4_type & NLP_FC4_NVME) ||
+                   (ndlp->nlp_DID == Fabric_DID))) {
+                       vport->phba->nport_event_cnt++;
+                       /* todo: init: unregister rport from nvme */
+               }
        }
 
+       /* FCP and NVME Transport interfaces */
+
        if (new_state ==  NLP_STE_MAPPED_NODE ||
            new_state == NLP_STE_UNMAPPED_NODE) {
-               vport->phba->nport_event_cnt++;
-               /*
-                * Tell the fc transport about the port, if we haven't
-                * already. If we have, and it's a scsi entity, be
-                * sure to unblock any attached scsi devices
-                */
-               lpfc_register_remote_port(vport, ndlp);
+               if ((ndlp->nlp_fc4_type & NLP_FC4_FCP) ||
+                   (ndlp->nlp_DID == Fabric_DID)) {
+                       vport->phba->nport_event_cnt++;
+                       /*
+                        * Tell the fc transport about the port, if we haven't
+                        * already. If we have, and it's a scsi entity, be
+                        */
+                       lpfc_register_remote_port(vport, ndlp);
+               }
+               /* Notify the NVME transport of this new rport. */
+               if (ndlp->nlp_fc4_type & NLP_FC4_NVME) {
+                       if (vport->phba->nvmet_support == 0) {
+                               /* Register this rport with the transport.
+                                * Initiators take the NDLP ref count in
+                                * the register.
+                                */
+                               vport->phba->nport_event_cnt++;
+                               /* todo: init: register rport with nvme */
+                       }
+               }
        }
+
        if ((new_state ==  NLP_STE_MAPPED_NODE) &&
                (vport->stat_data_enabled)) {
                /*
@@ -4096,12 +4196,13 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
                                "0x%x\n", ndlp->nlp_DID);
        }
        /*
-        * if we added to Mapped list, but the remote port
-        * registration failed or assigned a target id outside
-        * our presentable range - move the node to the
-        * Unmapped List
+        * If the node just added to Mapped list was an FCP target,
+        * but the remote port registration failed or assigned a target
+        * id outside the presentable range - move the node to the
+        * Unmapped List.
         */
-       if (new_state == NLP_STE_MAPPED_NODE &&
+       if ((new_state == NLP_STE_MAPPED_NODE) &&
+           (ndlp->nlp_type & NLP_FCP_TARGET) &&
            (!ndlp->rport ||
             ndlp->rport->scsi_target_id == -1 ||
             ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) {
@@ -4235,6 +4336,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
        ndlp->vport = vport;
        ndlp->phba = vport->phba;
        ndlp->nlp_sid = NLP_NO_SID;
+       ndlp->nlp_fc4_type = NLP_FC4_NONE;
        kref_init(&ndlp->kref);
        NLP_INT_NODE_ACT(ndlp);
        atomic_set(&ndlp->cmd_pending, 0);
@@ -5375,12 +5477,13 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
        switch (vport->port_state) {
 
        case LPFC_LOCAL_CFG_LINK:
-       /* port_state is identically  LPFC_LOCAL_CFG_LINK while waiting for
-        * FAN
-        */
-                               /* FAN timeout */
+               /*
+                * port_state is identically  LPFC_LOCAL_CFG_LINK while
+                * waiting for FAN timeout
+                */
                lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
                                 "0221 FAN timeout\n");
+
                /* Start discovery by sending FLOGI, clean up old rpis */
                list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
                                         nlp_listp) {
@@ -5451,8 +5554,8 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
                if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
                        /* Try it one more time */
                        vport->fc_ns_retry++;
-                       rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
-                                        vport->fc_ns_retry, 0);
+                       vport->gidft_inp = 0;
+                       rc = lpfc_issue_gidft(vport);
                        if (rc == 0)
                                break;
                }
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 5d7416c..654daa34 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -90,8 +90,10 @@ union CtCommandResponse {
        uint32_t word;
 };
 
-#define FC4_FEATURE_INIT 0x2
-#define FC4_FEATURE_TARGET 0x1
+/* FC4 Feature bits for RFF_ID */
+#define FC4_FEATURE_TARGET     0x1
+#define FC4_FEATURE_INIT       0x2
+#define FC4_FEATURE_NVME_DISC  0x4
 
 struct lpfc_sli_ct_request {
        /* Structure is in Big Endian format */
@@ -115,6 +117,16 @@ struct lpfc_sli_ct_request {
                        uint8_t AreaScope;
                        uint8_t Fc4Type;        /* for GID_FT requests */
                } gid;
+               struct gid_ff {
+                       uint8_t Flags;
+                       uint8_t DomainScope;
+                       uint8_t AreaScope;
+                       uint8_t rsvd1;
+                       uint8_t rsvd2;
+                       uint8_t rsvd3;
+                       uint8_t Fc4FBits;
+                       uint8_t Fc4Type;
+               } gid_ff;
                struct rft {
                        uint32_t PortId;        /* For RFT_ID requests */
 
@@ -159,6 +171,12 @@ struct lpfc_sli_ct_request {
                struct gff_acc {
                        uint8_t fbits[128];
                } gff_acc;
+               struct gft {
+                       uint32_t PortId;
+               } gft;
+               struct gft_acc {
+                       uint32_t fc4_types[8];
+               } gft_acc;
 #define FCP_TYPE_FEATURE_OFFSET 7
                struct rff {
                        uint32_t PortId;
@@ -174,8 +192,12 @@ struct lpfc_sli_ct_request {
 #define  SLI_CT_REVISION        1
 #define  GID_REQUEST_SZ   (offsetof(struct lpfc_sli_ct_request, un) + \
                           sizeof(struct gid))
+#define  GIDFF_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \
+                          sizeof(struct gid_ff))
 #define  GFF_REQUEST_SZ   (offsetof(struct lpfc_sli_ct_request, un) + \
                           sizeof(struct gff))
+#define  GFT_REQUEST_SZ   (offsetof(struct lpfc_sli_ct_request, un) + \
+                          sizeof(struct gft))
 #define  RFT_REQUEST_SZ   (offsetof(struct lpfc_sli_ct_request, un) + \
                           sizeof(struct rft))
 #define  RFF_REQUEST_SZ   (offsetof(struct lpfc_sli_ct_request, un) + \
@@ -271,6 +293,7 @@ struct lpfc_sli_ct_request {
 #define  SLI_CTNS_GNN_IP      0x0153
 #define  SLI_CTNS_GIPA_IP     0x0156
 #define  SLI_CTNS_GID_FT      0x0171
+#define  SLI_CTNS_GID_FF      0x01F1
 #define  SLI_CTNS_GID_PT      0x01A1
 #define  SLI_CTNS_RPN_ID      0x0212
 #define  SLI_CTNS_RNN_ID      0x0213
@@ -288,15 +311,16 @@ struct lpfc_sli_ct_request {
  * Port Types
  */
 
-#define  SLI_CTPT_N_PORT      0x01
-#define  SLI_CTPT_NL_PORT     0x02
-#define  SLI_CTPT_FNL_PORT    0x03
-#define  SLI_CTPT_IP          0x04
-#define  SLI_CTPT_FCP         0x08
-#define  SLI_CTPT_NX_PORT     0x7F
-#define  SLI_CTPT_F_PORT      0x81
-#define  SLI_CTPT_FL_PORT     0x82
-#define  SLI_CTPT_E_PORT      0x84
+#define SLI_CTPT_N_PORT                0x01
+#define SLI_CTPT_NL_PORT       0x02
+#define SLI_CTPT_FNL_PORT      0x03
+#define SLI_CTPT_IP            0x04
+#define SLI_CTPT_FCP           0x08
+#define SLI_CTPT_NVME          0x28
+#define SLI_CTPT_NX_PORT       0x7F
+#define SLI_CTPT_F_PORT                0x81
+#define SLI_CTPT_FL_PORT       0x82
+#define SLI_CTPT_E_PORT                0x84
 
 #define SLI_CT_LAST_ENTRY     0x80000000
 
@@ -337,6 +361,7 @@ struct lpfc_name {
                        uint8_t IEEE[6];        /* FC IEEE address */
                } s;
                uint8_t wwn[8];
+               uint64_t name;
        } u;
 };
 
@@ -490,7 +515,15 @@ struct serv_parm { /* Structure is in Big Endian format */
        struct class_parms cls2;
        struct class_parms cls3;
        struct class_parms cls4;
-       uint8_t vendorVersion[16];
+       union {
+               uint8_t vendorVersion[16];
+               struct {
+                       uint32_t vid;
+#define LPFC_VV_EMLX_ID        0x454d4c58      /* EMLX */
+                       uint32_t flags;
+#define LPFC_VV_SUPPRESS_RSP   1
+               } vv;
+       } un;
 };
 
 /*
@@ -684,6 +717,7 @@ typedef struct _PRLI {              /* Structure is in Big 
Endian format */
        uint8_t prliType;       /* FC Parm Word 0, bit 24:31 */
 
 #define PRLI_FCP_TYPE 0x08
+#define PRLI_NVME_TYPE 0x28
        uint8_t word0Reserved1; /* FC Parm Word 0, bit 16:23 */
 
 #ifdef __BIG_ENDIAN_BITFIELD
@@ -1243,8 +1277,7 @@ struct fc_rdp_opd_sfp_info {
        uint8_t            vendor_name[16];
        uint8_t            model_number[16];
        uint8_t            serial_number[16];
-       uint8_t            revision[2];
-       uint8_t            reserved[2];
+       uint8_t            revision[4];
        uint8_t            date[8];
 };
 
@@ -1263,14 +1296,14 @@ struct fc_rdp_req_frame {
 
 
 struct fc_rdp_res_frame {
-       uint32_t        reply_sequence;         /* FC word0 LS_ACC or LS_RJT */
-       uint32_t        length;                 /* FC Word 1      */
-       struct fc_rdp_link_service_desc link_service_desc;    /* Word 2 -4  */
-       struct fc_rdp_sfp_desc sfp_desc;                      /* Word 5 -9  */
-       struct fc_rdp_port_speed_desc portspeed_desc;         /* Word 10-12 */
-       struct fc_rdp_link_error_status_desc link_error_desc; /* Word 13-21 */
-       struct fc_rdp_port_name_desc diag_port_names_desc;    /* Word 22-27 */
-       struct fc_rdp_port_name_desc attached_port_names_desc;/* Word 28-33 */
+       uint32_t    reply_sequence;             /* FC word0 LS_ACC or LS_RJT */
+       uint32_t   length;                      /* FC Word 1      */
+       struct fc_rdp_link_service_desc link_service_desc;    /* Word 2 -4   */
+       struct fc_rdp_sfp_desc sfp_desc;                      /* Word 5 -9   */
+       struct fc_rdp_port_speed_desc portspeed_desc;         /* Word 10 -12 */
+       struct fc_rdp_link_error_status_desc link_error_desc; /* Word 13 -21 */
+       struct fc_rdp_port_name_desc diag_port_names_desc;    /* Word 22 -27 */
+       struct fc_rdp_port_name_desc attached_port_names_desc;/* Word 28 -33 */
        struct fc_fec_rdp_desc fec_desc;                      /* FC word 34-37*/
        struct fc_rdp_bbc_desc bbc_desc;                      /* FC Word 38-42*/
        struct fc_rdp_oed_sfp_desc oed_temp_desc;             /* FC Word 43-47*/
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 7df854e..b25e2f2 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -3996,6 +3996,49 @@ struct gen_req64_wqe {
        uint32_t max_response_payload_len;
 };
 
+/* Define NVME PRLI request to fabric. NVME is a
+ * fabric-only protocol.
+ * Updated to red-lined v1.08 on Sept 16, 2016
+ */
+struct lpfc_nvme_prli {
+       uint32_t word1;
+       /* The Response Code is defined in the FCP PRLI lpfc_hw.h */
+#define prli_acc_rsp_code_SHIFT         8
+#define prli_acc_rsp_code_MASK          0x0000000f
+#define prli_acc_rsp_code_WORD          word1
+#define prli_estabImagePair_SHIFT       13
+#define prli_estabImagePair_MASK        0x00000001
+#define prli_estabImagePair_WORD        word1
+#define prli_type_code_ext_SHIFT        16
+#define prli_type_code_ext_MASK         0x000000ff
+#define prli_type_code_ext_WORD         word1
+#define prli_type_code_SHIFT            24
+#define prli_type_code_MASK             0x000000ff
+#define prli_type_code_WORD             word1
+       uint32_t word_rsvd2;
+       uint32_t word_rsvd3;
+       uint32_t word4;
+#define prli_fba_SHIFT                  0
+#define prli_fba_MASK                   0x00000001
+#define prli_fba_WORD                   word4
+#define prli_disc_SHIFT                 3
+#define prli_disc_MASK                  0x00000001
+#define prli_disc_WORD                  word4
+#define prli_tgt_SHIFT                  4
+#define prli_tgt_MASK                   0x00000001
+#define prli_tgt_WORD                   word4
+#define prli_init_SHIFT                 5
+#define prli_init_MASK                  0x00000001
+#define prli_init_WORD                  word4
+#define prli_recov_SHIFT                8
+#define prli_recov_MASK                 0x00000001
+#define prli_recov_WORD                 word4
+       uint32_t word5;
+#define prli_fb_sz_SHIFT                0
+#define prli_fb_sz_MASK                 0x0000ffff
+#define prli_fb_sz_WORD                 word5
+};
+
 struct create_xri_wqe {
        uint32_t rsrvd[5];           /* words 0-4 */
        struct wqe_did  wqe_dest;  /* word 5 */
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c 
b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 9643a59..09bd7e2 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -28,6 +28,9 @@
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
+#include <scsi/fc/fc_fs.h>
+
+#include <linux/nvme-fc-driver.h>
 
 #include "lpfc_hw4.h"
 #include "lpfc_hw.h"
@@ -35,8 +38,9 @@
 #include "lpfc_sli4.h"
 #include "lpfc_nl.h"
 #include "lpfc_disc.h"
-#include "lpfc_scsi.h"
 #include "lpfc.h"
+#include "lpfc_scsi.h"
+#include "lpfc_nvme.h"
 #include "lpfc_logmsg.h"
 #include "lpfc_crtn.h"
 #include "lpfc_vport.h"
@@ -288,6 +292,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
        uint32_t ed_tov;
        LPFC_MBOXQ_t *mbox;
        struct ls_rjt stat;
+       uint32_t vid, flag;
        int rc;
 
        memset(&stat, 0, sizeof (struct ls_rjt));
@@ -423,6 +428,15 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
                lpfc_can_disctmo(vport);
        }
 
+       ndlp->nlp_flag &= ~NLP_SUPPRESS_RSP;
+       if ((phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) &&
+           sp->cmn.valid_vendor_ver_level) {
+               vid = be32_to_cpu(sp->un.vv.vid);
+               flag = be32_to_cpu(sp->un.vv.flags);
+               if ((vid == LPFC_VV_EMLX_ID) && (flag & LPFC_VV_SUPPRESS_RSP))
+                       ndlp->nlp_flag |= NLP_SUPPRESS_RSP;
+       }
+
        mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
        if (!mbox)
                goto out;
@@ -712,6 +726,7 @@ static void
 lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
              struct lpfc_iocbq *cmdiocb)
 {
+       struct lpfc_hba  *phba = vport->phba;
        struct lpfc_dmabuf *pcmd;
        uint32_t *lp;
        PRLI *npr;
@@ -725,11 +740,19 @@ lpfc_rcv_prli(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
        ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
        ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
        ndlp->nlp_flag &= ~NLP_FIRSTBURST;
-       if (npr->prliType == PRLI_FCP_TYPE) {
-               if (npr->initiatorFunc)
-                       ndlp->nlp_type |= NLP_FCP_INITIATOR;
+       if ((npr->prliType == PRLI_FCP_TYPE) ||
+           (npr->prliType == PRLI_NVME_TYPE)) {
+               if (npr->initiatorFunc) {
+                       if (npr->prliType == PRLI_FCP_TYPE)
+                               ndlp->nlp_type |= NLP_FCP_INITIATOR;
+                       if (npr->prliType == PRLI_NVME_TYPE)
+                               ndlp->nlp_type |= NLP_NVME_INITIATOR;
+               }
                if (npr->targetFunc) {
-                       ndlp->nlp_type |= NLP_FCP_TARGET;
+                       if (npr->prliType == PRLI_FCP_TYPE)
+                               ndlp->nlp_type |= NLP_FCP_TARGET;
+                       if (npr->prliType == PRLI_NVME_TYPE)
+                               ndlp->nlp_type |= NLP_NVME_TARGET;
                        if (npr->writeXferRdyDis)
                                ndlp->nlp_flag |= NLP_FIRSTBURST;
                }
@@ -748,7 +771,8 @@ lpfc_rcv_prli(struct lpfc_vport *vport, struct 
lpfc_nodelist *ndlp,
                        "rport rolechg:   role:x%x did:x%x flg:x%x",
                        roles, ndlp->nlp_DID, ndlp->nlp_flag);
 
-               fc_remote_port_rolechg(rport, roles);
+               if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME)
+                       fc_remote_port_rolechg(rport, roles);
        }
 }
 
@@ -1031,6 +1055,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
        struct lpfc_iocbq  *cmdiocb, *rspiocb;
        struct lpfc_dmabuf *pcmd, *prsp, *mp;
        uint32_t *lp;
+       uint32_t vid, flag;
        IOCB_t *irsp;
        struct serv_parm *sp;
        uint32_t ed_tov;
@@ -1099,6 +1124,16 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
                        ed_tov = (phba->fc_edtov + 999999) / 1000000;
                }
 
+               ndlp->nlp_flag &= ~NLP_SUPPRESS_RSP;
+               if ((phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) &&
+                   sp->cmn.valid_vendor_ver_level) {
+                       vid = be32_to_cpu(sp->un.vv.vid);
+                       flag = be32_to_cpu(sp->un.vv.flags);
+                       if ((vid == LPFC_VV_EMLX_ID) &&
+                           (flag & LPFC_VV_SUPPRESS_RSP))
+                               ndlp->nlp_flag |= NLP_SUPPRESS_RSP;
+               }
+
                /*
                 * Use the larger EDTOV
                 * RATOV = 2 * EDTOV for pt-to-pt
@@ -1495,7 +1530,9 @@ lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport,
 {
        struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
 
+       /* Initiator mode. */
        lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp);
+
        return ndlp->nlp_state;
 }
 
@@ -1578,9 +1615,11 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport 
*vport,
                                  uint32_t evt)
 {
        struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+       struct lpfc_hba *phba = vport->phba;
        LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
        MAILBOX_t *mb = &pmb->u.mb;
        uint32_t did  = mb->un.varWords[1];
+       int rc = 0;
 
        if (mb->mbxStatus) {
                /* RegLogin failed */
@@ -1615,19 +1654,52 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport 
*vport,
        }
 
        /* SLI4 ports have preallocated logical rpis. */
-       if (vport->phba->sli_rev < LPFC_SLI_REV4)
+       if (phba->sli_rev < LPFC_SLI_REV4)
                ndlp->nlp_rpi = mb->un.varWords[0];
 
        ndlp->nlp_flag |= NLP_RPI_REGISTERED;
 
        /* Only if we are not a fabric nport do we issue PRLI */
-       if (!(ndlp->nlp_type & NLP_FABRIC)) {
+       lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+                        "3066 RegLogin Complete on x%x x%x x%x\n",
+                        did, ndlp->nlp_type, ndlp->nlp_fc4_type);
+       if (!(ndlp->nlp_type & NLP_FABRIC) &&
+           (phba->nvmet_support == 0)) {
+               /* The driver supports FCP and NVME concurrently.  If the
+                * ndlp's nlp_fc4_type is still zero, the driver doesn't
+                * know what PRLI to send yet.  Figure that out now and
+                * call PRLI depending on the outcome.
+                */
+               if (vport->fc_flag & FC_PT2PT) {
+                       /* If we are pt2pt, there is no Fabric to determine
+                        * the FC4 type of the remote nport. So if NVME
+                        * is configured try it.
+                        */
+                       ndlp->nlp_fc4_type |= NLP_FC4_FCP;
+                       if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+                            (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {
+                               ndlp->nlp_fc4_type |= NLP_FC4_NVME;
+                               /* We need to update the localport also */
+                               /* todo: init: revise localport nvme
+                                * attributes
+                                */
+                       }
+
+               } else if (ndlp->nlp_fc4_type == 0) {
+                       rc = lpfc_ns_cmd(vport, SLI_CTNS_GFT_ID,
+                                        0, ndlp->nlp_DID);
+                       return ndlp->nlp_state;
+               }
+
                ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
                lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
                lpfc_issue_els_prli(vport, ndlp, 0);
        } else {
-               ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
-               lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
+               /* Only Fabric ports should transition */
+               if (ndlp->nlp_type & NLP_FABRIC) {
+                       ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
+                       lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
+               }
        }
        return ndlp->nlp_state;
 }
@@ -1668,7 +1740,7 @@ lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport,
        ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
        lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
        spin_lock_irq(shost->host_lock);
-       ndlp->nlp_flag |= NLP_IGNR_REG_CMPL;
+
        ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
        spin_unlock_irq(shost->host_lock);
        lpfc_disc_set_adisc(vport, ndlp);
@@ -1744,10 +1816,23 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, 
struct lpfc_nodelist *ndlp,
        struct lpfc_hba   *phba = vport->phba;
        IOCB_t *irsp;
        PRLI *npr;
+       struct lpfc_nvme_prli *nvpr;
+       void *temp_ptr;
 
        cmdiocb = (struct lpfc_iocbq *) arg;
        rspiocb = cmdiocb->context_un.rsp_iocb;
-       npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb);
+
+       /* A solicited PRLI is either FCP or NVME.  The PRLI cmd/rsp
+        * format is different so NULL the two PRLI types so that the
+        * driver correctly gets the correct context.
+        */
+       npr = NULL;
+       nvpr = NULL;
+       temp_ptr = lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb);
+       if (cmdiocb->iocb_flag & LPFC_PRLI_FCP_REQ)
+               npr = (PRLI *) temp_ptr;
+       else if (cmdiocb->iocb_flag & LPFC_PRLI_NVME_REQ)
+               nvpr = (struct lpfc_nvme_prli *) temp_ptr;
 
        irsp = &rspiocb->iocb;
        if (irsp->ulpStatus) {
@@ -1755,7 +1840,21 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, 
struct lpfc_nodelist *ndlp,
                    vport->cfg_restrict_login) {
                        goto out;
                }
+
+               /* The LS Req had some error.  Don't let this be a
+                * target.
+                */
+               if ((ndlp->fc4_prli_sent == 1) &&
+                   (ndlp->nlp_state == NLP_STE_PRLI_ISSUE) &&
+                   (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_FCP_INITIATOR)))
+                       /* The FCP PRLI completed successfully but
+                        * the NVME PRLI failed.  Since they are sent in
+                        * succession, allow the FCP to complete.
+                        */
+                       goto out_err;
+
                ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
+               ndlp->nlp_type |= NLP_FCP_INITIATOR;
                lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
                return ndlp->nlp_state;
        }
@@ -1763,9 +1862,16 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, 
struct lpfc_nodelist *ndlp,
        /* Check out PRLI rsp */
        ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
        ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
+
+       /* NVME or FCP first burst must be negotiated for each PRLI. */
        ndlp->nlp_flag &= ~NLP_FIRSTBURST;
-       if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) &&
+       ndlp->nvme_fb_size = 0;
+       if (npr && (npr->acceptRspCode == PRLI_REQ_EXECUTED) &&
            (npr->prliType == PRLI_FCP_TYPE)) {
+               lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
+                                "6028 FCP NPR PRLI Cmpl Init %d Target %d\n",
+                                npr->initiatorFunc,
+                                npr->targetFunc);
                if (npr->initiatorFunc)
                        ndlp->nlp_type |= NLP_FCP_INITIATOR;
                if (npr->targetFunc) {
@@ -1775,6 +1881,49 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, 
struct lpfc_nodelist *ndlp,
                }
                if (npr->Retry)
                        ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
+
+               /* PRLI completed.  Decrement count. */
+               ndlp->fc4_prli_sent--;
+       } else if (nvpr &&
+                  (bf_get_be32(prli_acc_rsp_code, nvpr) ==
+                   PRLI_REQ_EXECUTED) &&
+                  (bf_get_be32(prli_type_code, nvpr) ==
+                   PRLI_NVME_TYPE)) {
+
+               /* Complete setting up the remote ndlp personality. */
+               if (bf_get_be32(prli_init, nvpr))
+                       ndlp->nlp_type |= NLP_NVME_INITIATOR;
+
+               /* Target driver cannot solicit NVME FB. */
+               if (bf_get_be32(prli_tgt, nvpr)) {
+                       ndlp->nlp_type |= NLP_NVME_TARGET;
+                       if ((bf_get_be32(prli_fba, nvpr) == 1) &&
+                           (bf_get_be32(prli_fb_sz, nvpr) > 0) &&
+                           (phba->cfg_nvme_enable_fb) &&
+                           (!phba->nvmet_support)) {
+                               /* Both sides support FB. The target's first
+                                * burst size is a 512 byte encoded value.
+                                */
+                               ndlp->nlp_flag |= NLP_FIRSTBURST;
+                               ndlp->nvme_fb_size = bf_get_be32(prli_fb_sz,
+                                                                nvpr);
+                       }
+               }
+
+               if (bf_get_be32(prli_recov, nvpr))
+                       ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
+
+               lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
+                                "6029 NVME PRLI Cmpl w1 x%08x "
+                                "w4 x%08x w5 x%08x flag x%x, "
+                                "fcp_info x%x nlp_type x%x\n",
+                                be32_to_cpu(nvpr->word1),
+                                be32_to_cpu(nvpr->word4),
+                                be32_to_cpu(nvpr->word5),
+                                ndlp->nlp_flag, ndlp->nlp_fcp_info,
+                                ndlp->nlp_type);
+               /* PRLI completed.  Decrement count. */
+               ndlp->fc4_prli_sent--;
        }
        if (!(ndlp->nlp_type & NLP_FCP_TARGET) &&
            (vport->port_type == LPFC_NPIV_PORT) &&
@@ -1790,11 +1939,24 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, 
struct lpfc_nodelist *ndlp,
                return ndlp->nlp_state;
        }
 
-       ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
-       if (ndlp->nlp_type & NLP_FCP_TARGET)
-               lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
-       else
-               lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
+out_err:
+       /* The ndlp state cannot move to MAPPED or UNMAPPED before all PRLIs
+        * are complete.
+        */
+       if (ndlp->fc4_prli_sent == 0) {
+               ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
+               if (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_NVME_TARGET))
+                       lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
+               else
+                       lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
+       } else
+               lpfc_printf_vlog(vport,
+                                KERN_INFO, LOG_ELS,
+                                "3067 PRLI's still outstanding "
+                                "on x%06x - count %d, Pend Node Mode "
+                                "transition...\n",
+                                ndlp->nlp_DID, ndlp->fc4_prli_sent);
+
        return ndlp->nlp_state;
 }
 
-- 
2.5.0

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