Add support for RDP ELS command.

Signed-off-by: Dick Kennedy <dick.kenn...@emulex.com>
Signed-off-by: James Smart <james.sm...@emulex.com>
---
 drivers/scsi/lpfc/lpfc.h      |   1 +
 drivers/scsi/lpfc/lpfc_crtn.h |   2 +
 drivers/scsi/lpfc/lpfc_els.c  | 415 ++++++++++++++++++++++++++++++++++++++++++
 drivers/scsi/lpfc/lpfc_hw.h   | 169 +++++++++++++++++
 drivers/scsi/lpfc/lpfc_hw4.h  | 201 ++++++++++++++++++++
 drivers/scsi/lpfc/lpfc_mbox.c | 152 ++++++++++++++++
 drivers/scsi/lpfc/lpfc_sli4.h |  10 +
 7 files changed, 950 insertions(+)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3246d09..a5a56fa 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -231,6 +231,7 @@ struct lpfc_stats {
        uint32_t elsRcvRTV;
        uint32_t elsRcvECHO;
        uint32_t elsRcvLCB;
+       uint32_t elsRcvRDP;
        uint32_t elsXmitFLOGI;
        uint32_t elsXmitFDISC;
        uint32_t elsXmitPLOGI;
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 587e3e9..b0e6fe4 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -498,3 +498,5 @@ bool lpfc_disable_oas_lun(struct lpfc_hba *, struct 
lpfc_name *,
 bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *,
                            struct lpfc_name *, uint64_t *, struct lpfc_name *,
                            struct lpfc_name *, uint64_t *, uint32_t *);
+int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox);
+void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 9099a06..455a5dd 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -4617,6 +4617,417 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport)
        return sentplogi;
 }
 
+void
+lpfc_rdp_res_link_service(struct fc_rdp_link_service_desc *desc,
+               uint32_t word0)
+{
+
+       desc->tag = cpu_to_be32(RDP_LINK_SERVICE_DESC_TAG);
+       desc->payload.els_req = word0;
+       desc->length = cpu_to_be32(sizeof(desc->payload));
+}
+
+void
+lpfc_rdp_res_sfp_desc(struct fc_rdp_sfp_desc *desc,
+               uint8_t *page_a0, uint8_t *page_a2)
+{
+       uint16_t wavelength;
+       uint16_t temperature;
+       uint16_t rx_power;
+       uint16_t tx_bias;
+       uint16_t tx_power;
+       uint16_t vcc;
+       uint16_t flag = 0;
+       struct sff_trasnceiver_codes_byte4 *trasn_code_byte4;
+       struct sff_trasnceiver_codes_byte5 *trasn_code_byte5;
+
+       desc->tag = cpu_to_be32(RDP_SFP_DESC_TAG);
+
+       trasn_code_byte4 = (struct sff_trasnceiver_codes_byte4 *)
+                       &page_a0[SSF_TRANSCEIVER_CODE_B4];
+       trasn_code_byte5 = (struct sff_trasnceiver_codes_byte5 *)
+                       &page_a0[SSF_TRANSCEIVER_CODE_B5];
+
+       if ((trasn_code_byte4->fc_sw_laser) ||
+           (trasn_code_byte5->fc_sw_laser_sl) ||
+           (trasn_code_byte5->fc_sw_laser_sn)) {  /* check if its short WL */
+               flag |= (SFP_FLAG_PT_SWLASER << SFP_FLAG_PT_SHIFT);
+       } else if (trasn_code_byte4->fc_lw_laser) {
+               wavelength = (page_a0[SSF_WAVELENGTH_B1] << 8) |
+                       page_a0[SSF_WAVELENGTH_B0];
+               if (wavelength == SFP_WAVELENGTH_LC1310)
+                       flag |= SFP_FLAG_PT_LWLASER_LC1310 << SFP_FLAG_PT_SHIFT;
+               if (wavelength == SFP_WAVELENGTH_LL1550)
+                       flag |= SFP_FLAG_PT_LWLASER_LL1550 << SFP_FLAG_PT_SHIFT;
+       }
+       /* check if its SFP+ */
+       flag |= ((page_a0[SSF_IDENTIFIER] == SFF_PG0_IDENT_SFP) ?
+                       SFP_FLAG_CT_SFP_PLUS : SFP_FLAG_CT_UNKNOWN)
+                                       << SFP_FLAG_CT_SHIFT;
+
+       /* check if its OPTICAL */
+       flag |= ((page_a0[SSF_CONNECTOR] == SFF_PG0_CONNECTOR_LC) ?
+                       SFP_FLAG_IS_OPTICAL_PORT : 0)
+                                       << SFP_FLAG_IS_OPTICAL_SHIFT;
+
+       temperature = (page_a2[SFF_TEMPERATURE_B1] << 8 |
+               page_a2[SFF_TEMPERATURE_B0]);
+       vcc = (page_a2[SFF_VCC_B1] << 8 |
+               page_a2[SFF_VCC_B0]);
+       tx_power = (page_a2[SFF_TXPOWER_B1] << 8 |
+               page_a2[SFF_TXPOWER_B0]);
+       tx_bias = (page_a2[SFF_TX_BIAS_CURRENT_B1] << 8 |
+               page_a2[SFF_TX_BIAS_CURRENT_B0]);
+       rx_power = (page_a2[SFF_RXPOWER_B1] << 8 |
+               page_a2[SFF_RXPOWER_B0]);
+       desc->sfp_info.temperature = cpu_to_be16(temperature);
+       desc->sfp_info.rx_power = cpu_to_be16(rx_power);
+       desc->sfp_info.tx_bias = cpu_to_be16(tx_bias);
+       desc->sfp_info.tx_power = cpu_to_be16(tx_power);
+       desc->sfp_info.vcc = cpu_to_be16(vcc);
+
+       desc->sfp_info.flags = cpu_to_be16(flag);
+       desc->length = cpu_to_be32(sizeof(desc->sfp_info));
+}
+
+void
+lpfc_rdp_res_link_error(struct fc_rdp_link_error_status_desc *desc,
+               READ_LNK_VAR *stat)
+{
+       uint32_t type;
+
+       desc->tag = cpu_to_be32(RDP_LINK_ERROR_STATUS_DESC_TAG);
+
+       type = VN_PT_PHY_PF_PORT << VN_PT_PHY_SHIFT;
+
+       desc->info.port_type = cpu_to_be32(type);
+
+       desc->info.link_status.link_failure_cnt =
+               cpu_to_be32(stat->linkFailureCnt);
+       desc->info.link_status.loss_of_synch_cnt =
+               cpu_to_be32(stat->lossSyncCnt);
+       desc->info.link_status.loss_of_signal_cnt =
+               cpu_to_be32(stat->lossSignalCnt);
+       desc->info.link_status.primitive_seq_proto_err =
+               cpu_to_be32(stat->primSeqErrCnt);
+       desc->info.link_status.invalid_trans_word =
+               cpu_to_be32(stat->invalidXmitWord);
+       desc->info.link_status.invalid_crc_cnt = cpu_to_be32(stat->crcCnt);
+
+       desc->length = cpu_to_be32(sizeof(desc->info));
+}
+
+void
+lpfc_rdp_res_speed(struct fc_rdp_port_speed_desc *desc, struct lpfc_hba *phba)
+{
+       uint16_t rdp_cap = 0;
+       uint16_t rdp_speed;
+
+       desc->tag = cpu_to_be32(RDP_PORT_SPEED_DESC_TAG);
+
+       switch (phba->sli4_hba.link_state.speed) {
+       case LPFC_FC_LA_SPEED_1G:
+               rdp_speed = RDP_PS_1GB;
+               break;
+       case LPFC_FC_LA_SPEED_2G:
+               rdp_speed = RDP_PS_2GB;
+               break;
+       case LPFC_FC_LA_SPEED_4G:
+               rdp_speed  = RDP_PS_4GB;
+               break;
+       case LPFC_FC_LA_SPEED_8G:
+               rdp_speed = RDP_PS_8GB;
+               break;
+       case LPFC_FC_LA_SPEED_10G:
+               rdp_speed = RDP_PS_10GB;
+               break;
+       case LPFC_FC_LA_SPEED_16G:
+               rdp_speed = RDP_PS_16GB;
+               break;
+       case LPFC_FC_LA_SPEED_32G:
+               rdp_speed = RDP_PS_32GB;
+               break;
+       default:
+               rdp_speed = RDP_PS_UNKNOWN;
+               break;
+       }
+
+       desc->info.port_speed.speed = cpu_to_be16(rdp_speed);
+
+       if (phba->lmt & LMT_16Gb)
+               rdp_cap |= RDP_PS_16GB;
+       if (phba->lmt & LMT_10Gb)
+               rdp_cap |= RDP_PS_10GB;
+       if (phba->lmt & LMT_8Gb)
+               rdp_cap |= RDP_PS_8GB;
+       if (phba->lmt & LMT_4Gb)
+               rdp_cap |= RDP_PS_4GB;
+       if (phba->lmt & LMT_2Gb)
+               rdp_cap |= RDP_PS_2GB;
+       if (phba->lmt & LMT_1Gb)
+               rdp_cap |= RDP_PS_1GB;
+
+       if (rdp_cap == 0)
+               rdp_cap = RDP_CAP_UNKNOWN;
+
+       desc->info.port_speed.capabilities = cpu_to_be16(rdp_cap);
+       desc->length = cpu_to_be32(sizeof(desc->info));
+}
+
+void
+lpfc_rdp_res_diag_port_names(struct fc_rdp_port_name_desc *desc,
+               struct lpfc_hba  *phba)
+{
+
+       desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG);
+
+       memcpy(desc->port_names.wwnn, phba->wwnn,
+                       sizeof(desc->port_names.wwnn));
+
+       memcpy(desc->port_names.wwpn, &phba->wwpn,
+                       sizeof(desc->port_names.wwpn));
+
+       desc->length = cpu_to_be32(sizeof(desc->port_names));
+}
+
+void
+lpfc_rdp_res_attach_port_names(struct fc_rdp_port_name_desc *desc,
+               struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
+{
+
+       desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG);
+       if (vport->fc_flag & FC_FABRIC) {
+               memcpy(desc->port_names.wwnn, &vport->fabric_nodename,
+                               sizeof(desc->port_names.wwnn));
+
+               memcpy(desc->port_names.wwpn, &vport->fabric_portname,
+                               sizeof(desc->port_names.wwpn));
+       } else {  /* Point to Point */
+               memcpy(desc->port_names.wwnn, &ndlp->nlp_nodename,
+                               sizeof(desc->port_names.wwnn));
+
+               memcpy(desc->port_names.wwnn, &ndlp->nlp_portname,
+                               sizeof(desc->port_names.wwpn));
+       }
+
+       desc->length = cpu_to_be32(sizeof(desc->port_names));
+}
+
+void
+lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context,
+               int status)
+{
+       struct lpfc_nodelist *ndlp = rdp_context->ndlp;
+       struct lpfc_vport *vport = ndlp->vport;
+       struct lpfc_iocbq *elsiocb;
+       IOCB_t *icmd;
+       uint8_t *pcmd;
+       struct ls_rjt *stat;
+       struct fc_rdp_res_frame *rdp_res;
+       uint32_t cmdsize;
+       int rc;
+
+       if (status != SUCCESS)
+               goto error;
+       cmdsize = sizeof(struct fc_rdp_res_frame);
+
+       elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize,
+                       lpfc_max_els_tries, rdp_context->ndlp,
+                       rdp_context->ndlp->nlp_DID, ELS_CMD_ACC);
+       lpfc_nlp_put(ndlp);
+       if (!elsiocb)
+               goto free_rdp_context;
+
+       icmd = &elsiocb->iocb;
+       icmd->ulpContext = rdp_context->rx_id;
+       icmd->unsli3.rcvsli3.ox_id = rdp_context->ox_id;
+
+       lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+                       "2171 Xmit RDP response tag x%x xri x%x, "
+                       "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x",
+                       elsiocb->iotag, elsiocb->iocb.ulpContext,
+                       ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
+                       ndlp->nlp_rpi);
+       rdp_res = (struct fc_rdp_res_frame *)
+               (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+       pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+       memset(pcmd, 0, sizeof(struct fc_rdp_res_frame));
+       *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
+
+       /* For RDP payload */
+       lpfc_rdp_res_link_service(&rdp_res->link_service_desc, ELS_CMD_RDP);
+
+       lpfc_rdp_res_sfp_desc(&rdp_res->sfp_desc,
+                       rdp_context->page_a0, rdp_context->page_a2);
+       lpfc_rdp_res_speed(&rdp_res->portspeed_desc, phba);
+       lpfc_rdp_res_link_error(&rdp_res->link_error_desc,
+                       &rdp_context->link_stat);
+       lpfc_rdp_res_diag_port_names(&rdp_res->diag_port_names_desc, phba);
+       lpfc_rdp_res_attach_port_names(&rdp_res->attached_port_names_desc,
+                       vport, ndlp);
+       rdp_res->length = cpu_to_be32(RDP_DESC_PAYLOAD_SIZE);
+
+       elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
+
+       phba->fc_stat.elsXmitACC++;
+       rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
+       if (rc == IOCB_ERROR)
+               lpfc_els_free_iocb(phba, elsiocb);
+
+       kfree(rdp_context);
+
+       return;
+error:
+       cmdsize = 2 * sizeof(uint32_t);
+       elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, lpfc_max_els_tries,
+                       ndlp, ndlp->nlp_DID, ELS_CMD_LS_RJT);
+       lpfc_nlp_put(ndlp);
+       if (!elsiocb)
+               goto free_rdp_context;
+
+       icmd = &elsiocb->iocb;
+       icmd->ulpContext = rdp_context->rx_id;
+       icmd->unsli3.rcvsli3.ox_id = rdp_context->ox_id;
+       pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+
+       *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT;
+       stat = (struct ls_rjt *)(pcmd + sizeof(uint32_t));
+       stat->un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+
+       phba->fc_stat.elsXmitLSRJT++;
+       elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
+       rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
+
+       if (rc == IOCB_ERROR)
+               lpfc_els_free_iocb(phba, elsiocb);
+free_rdp_context:
+       kfree(rdp_context);
+}
+
+int
+lpfc_get_rdp_info(struct lpfc_hba  *phba, struct lpfc_rdp_context *rdp_context)
+{
+       LPFC_MBOXQ_t *mbox = NULL;
+       int rc;
+
+       mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+       if (!mbox) {
+               lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_ELS,
+                               "7105 failed to allocate mailbox memory");
+               return 1;
+       }
+
+       if (lpfc_sli4_dump_page_a0(phba, mbox))
+               goto prep_mbox_fail;
+       mbox->vport = rdp_context->ndlp->vport;
+       mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a0;
+       mbox->context2 = (struct lpfc_rdp_context *) rdp_context;
+       rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
+       if (rc == MBX_NOT_FINISHED)
+               goto issue_mbox_fail;
+
+       return 0;
+
+prep_mbox_fail:
+issue_mbox_fail:
+       mempool_free(mbox, phba->mbox_mem_pool);
+       return 1;
+}
+
+/*
+ * lpfc_els_rcv_rdp - Process an unsolicited RDP ELS.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes an unsolicited RDP(Read Diagnostic Parameters)
+ * IOCB. First, the payload of the unsolicited RDP is checked.
+ * Then it will (1) send MBX_DUMP_MEMORY, Embedded DMP_LMSD sub command TYPE-3
+ * for Page A0, (2) send MBX_DUMP_MEMORY, DMP_LMSD for Page A2,
+ * (3) send MBX_READ_LNK_STAT to get link stat, (4) Call lpfc_els_rdp_cmpl
+ * gather all data and send RDP response.
+ *
+ * Return code
+ *   0 - Sent the acc response
+ *   1 - Sent the reject response.
+ */
+static int
+lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
+               struct lpfc_nodelist *ndlp)
+{
+       struct lpfc_hba  *phba = vport->phba;
+       struct lpfc_dmabuf *pcmd;
+       uint8_t rjt_err;
+       struct fc_rdp_req_frame *rdp_req;
+       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)) {
+               rjt_err = LSRJT_CMD_UNSUPPORTED;
+               goto rjt;
+       }
+
+       if (phba->sli_rev < LPFC_SLI_REV4 || (phba->hba_flag & HBA_FCOE_MODE)) {
+               rjt_err = LSRJT_CMD_UNSUPPORTED;
+               goto rjt;
+       }
+
+       pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
+       rdp_req = (struct fc_rdp_req_frame *) pcmd->virt;
+
+
+       lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+                        "2422 ELS RDP Request "
+                        "dec len %d tag x%x port_id %d len %d\n",
+                        be32_to_cpu(rdp_req->rdp_des_length),
+                        be32_to_cpu(rdp_req->nport_id_desc.tag),
+                        be32_to_cpu(rdp_req->nport_id_desc.nport_id),
+                        be32_to_cpu(rdp_req->nport_id_desc.length));
+
+       if (sizeof(struct fc_rdp_nport_desc) !=
+                       be32_to_cpu(rdp_req->rdp_des_length))
+               goto rjt;
+       if (RDP_N_PORT_DESC_TAG != be32_to_cpu(rdp_req->nport_id_desc.tag))
+               goto rjt;
+       if (RDP_NPORT_ID_SIZE !=
+                       be32_to_cpu(rdp_req->nport_id_desc.length))
+               goto rjt;
+       rdp_context = kmalloc(sizeof(struct lpfc_rdp_context), GFP_KERNEL);
+       if (!rdp_context) {
+               rjt_err = LSRJT_UNABLE_TPC;
+               goto error;
+       }
+
+       memset(rdp_context, 0, sizeof(struct lpfc_rdp_context));
+       cmd = &cmdiocb->iocb;
+       rdp_context->ndlp = lpfc_nlp_get(ndlp);
+       rdp_context->ox_id = cmd->unsli3.rcvsli3.ox_id;
+       rdp_context->rx_id = cmd->ulpContext;
+       rdp_context->cmpl = lpfc_els_rdp_cmpl;
+       if (lpfc_get_rdp_info(phba, rdp_context)) {
+               lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_ELS,
+                                "2423 Unable to send mailbox");
+               kfree(rdp_context);
+               rjt_err = LSRJT_UNABLE_TPC;
+               lpfc_nlp_put(ndlp);
+               goto error;
+       }
+
+       return 0;
+rjt:
+       rjt_err = LSRJT_CMD_UNSUPPORTED;
+error:
+       memset(&stat, 0, sizeof(stat));
+       stat.un.b.lsRjtRsnCode = rjt_err;
+       lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
+       return 1;
+}
+
+
 static void
 lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
@@ -7058,6 +7469,10 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct 
lpfc_sli_ring *pring,
                phba->fc_stat.elsRcvLCB++;
                lpfc_els_rcv_lcb(vport, elsiocb, ndlp);
                break;
+       case ELS_CMD_RDP:
+               phba->fc_stat.elsRcvRDP++;
+               lpfc_els_rcv_rdp(vport, elsiocb, ndlp);
+               break;
        case ELS_CMD_RSCN:
                phba->fc_stat.elsRcvRSCN++;
                lpfc_els_rcv_rscn(vport, elsiocb, ndlp);
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 6ad0a6f..892c525 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -543,6 +543,7 @@ struct fc_vft_header {
 #define ELS_CMD_TEST      0x11000000
 #define ELS_CMD_RRQ       0x12000000
 #define ELS_CMD_REC       0x13000000
+#define ELS_CMD_RDP       0x18000000
 #define ELS_CMD_PRLI      0x20100014
 #define ELS_CMD_PRLO      0x21100014
 #define ELS_CMD_PRLO_ACC  0x02100014
@@ -581,6 +582,7 @@ struct fc_vft_header {
 #define ELS_CMD_TEST      0x11
 #define ELS_CMD_RRQ       0x12
 #define ELS_CMD_REC       0x13
+#define ELS_CMD_RDP      0x18
 #define ELS_CMD_PRLI      0x14001020
 #define ELS_CMD_PRLO      0x14001021
 #define ELS_CMD_PRLO_ACC  0x14001002
@@ -1042,6 +1044,168 @@ struct fc_lcb_res_frame {
        uint16_t      lcb_duration;     /* LCB Payload Word 2, bit 15:0  */
 };
 
+/*
+ * Read Diagnostic Parameters (RDP) ELS frame.
+ */
+#define SFF_PG0_IDENT_SFP              0x3
+
+#define SFP_FLAG_PT_OPTICAL            0x0
+#define SFP_FLAG_PT_SWLASER            0x01
+#define SFP_FLAG_PT_LWLASER_LC1310     0x02
+#define SFP_FLAG_PT_LWLASER_LL1550     0x03
+#define SFP_FLAG_PT_MASK               0x0F
+#define SFP_FLAG_PT_SHIFT              0
+
+#define SFP_FLAG_IS_OPTICAL_PORT       0x01
+#define SFP_FLAG_IS_OPTICAL_MASK       0x010
+#define SFP_FLAG_IS_OPTICAL_SHIFT      4
+
+#define SFP_FLAG_IS_DESC_VALID         0x01
+#define SFP_FLAG_IS_DESC_VALID_MASK    0x020
+#define SFP_FLAG_IS_DESC_VALID_SHIFT   5
+
+#define SFP_FLAG_CT_UNKNOWN            0x0
+#define SFP_FLAG_CT_SFP_PLUS           0x01
+#define SFP_FLAG_CT_MASK               0x3C
+#define SFP_FLAG_CT_SHIFT              6
+
+struct fc_rdp_port_name_info {
+       uint8_t wwnn[8];
+       uint8_t wwpn[8];
+};
+
+
+/*
+ * Link Error Status Block Structure (FC-FS-3) for RDP
+ * This similar to RPS ELS
+ */
+struct fc_link_status {
+       uint32_t      link_failure_cnt;
+       uint32_t      loss_of_synch_cnt;
+       uint32_t      loss_of_signal_cnt;
+       uint32_t      primitive_seq_proto_err;
+       uint32_t      invalid_trans_word;
+       uint32_t      invalid_crc_cnt;
+
+};
+
+#define RDP_PORT_NAMES_DESC_TAG  0x00010003
+struct fc_rdp_port_name_desc {
+       uint32_t        tag;     /* 0001 0003h */
+       uint32_t        length;  /* set to size of payload struct */
+       struct fc_rdp_port_name_info  port_names;
+};
+
+
+struct fc_rdp_link_error_status_payload_info {
+       struct fc_link_status link_status; /* 24 bytes */
+       uint32_t  port_type;             /* bits 31-30 only */
+};
+
+#define RDP_LINK_ERROR_STATUS_DESC_TAG  0x00010002
+struct fc_rdp_link_error_status_desc {
+       uint32_t         tag;     /* 0001 0002h */
+       uint32_t         length;  /* set to size of payload struct */
+       struct fc_rdp_link_error_status_payload_info info;
+};
+
+#define VN_PT_PHY_UNKNOWN      0x00
+#define VN_PT_PHY_PF_PORT      0x01
+#define VN_PT_PHY_ETH_MAC      0x10
+#define VN_PT_PHY_SHIFT                30
+
+#define RDP_PS_1GB             0x8000
+#define RDP_PS_2GB             0x4000
+#define RDP_PS_4GB             0x2000
+#define RDP_PS_10GB            0x1000
+#define RDP_PS_8GB             0x0800
+#define RDP_PS_16GB            0x0400
+#define RDP_PS_32GB            0x0200
+
+#define RDP_CAP_UNKNOWN        0x0001
+#define RDP_PS_UNKNOWN         0x0002
+#define RDP_PS_NOT_ESTABLISHED 0x0001
+
+struct fc_rdp_port_speed {
+       uint16_t   capabilities;
+       uint16_t   speed;
+};
+
+struct fc_rdp_port_speed_info {
+       struct fc_rdp_port_speed   port_speed;
+};
+
+#define RDP_PORT_SPEED_DESC_TAG  0x00010001
+struct fc_rdp_port_speed_desc {
+       uint32_t         tag;            /* 00010001h */
+       uint32_t         length;         /* set to size of payload struct */
+       struct fc_rdp_port_speed_info info;
+};
+
+#define RDP_NPORT_ID_SIZE      4
+#define RDP_N_PORT_DESC_TAG    0x00000003
+struct fc_rdp_nport_desc {
+       uint32_t         tag;          /* 0000 0003h, big endian */
+       uint32_t         length;       /* size of RDP_N_PORT_ID struct */
+       uint32_t         nport_id : 12;
+       uint32_t         reserved : 8;
+};
+
+
+struct fc_rdp_link_service_info {
+       uint32_t         els_req;    /* Request payload word 0 value.*/
+};
+
+#define RDP_LINK_SERVICE_DESC_TAG  0x00000001
+struct fc_rdp_link_service_desc {
+       uint32_t         tag;     /* Descriptor tag  1 */
+       uint32_t         length;  /* set to size of payload struct. */
+       struct fc_rdp_link_service_info  payload;
+                                 /* must be ELS req Word 0(0x18) */
+};
+
+struct fc_rdp_sfp_info {
+       uint16_t        temperature;
+       uint16_t        vcc;
+       uint16_t        tx_bias;
+       uint16_t        tx_power;
+       uint16_t        rx_power;
+       uint16_t        flags;
+};
+
+#define RDP_SFP_DESC_TAG  0x00010000
+struct fc_rdp_sfp_desc {
+       uint32_t         tag;
+       uint32_t         length;  /* set to size of sfp_info struct */
+       struct fc_rdp_sfp_info sfp_info;
+};
+
+struct fc_rdp_req_frame {
+       uint32_t         rdp_command;           /* ELS command opcode (0x18)*/
+       uint32_t         rdp_des_length;        /* RDP Payload Word 1 */
+       struct fc_rdp_nport_desc nport_id_desc; /* RDP Payload Word 2 - 4 */
+};
+
+
+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 */
+};
+
+
+#define RDP_DESC_PAYLOAD_SIZE (sizeof(struct fc_rdp_link_service_desc) \
+                       + sizeof(struct fc_rdp_sfp_desc) \
+                       + sizeof(struct fc_rdp_port_speed_desc) \
+                       + sizeof(struct fc_rdp_link_error_status_desc) \
+                       + (sizeof(struct fc_rdp_port_name_desc) * 2))
+
+
 /******** FDMI ********/
 
 /* lpfc_sli_ct_request defines the CT_IU preamble for FDMI commands */
@@ -1619,6 +1783,11 @@ typedef struct {         /* FireFly BIU registers */
 #define TEMPERATURE_OFFSET 0xB0        /* Slim offset for critical temperature 
event */
 
 /*
+ * return code Fail
+ */
+#define FAILURE 1
+
+/*
  *    Begin Structure Definitions for Mailbox Commands
  */
 
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 9f2bfcc..7cc7bec 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -2455,6 +2455,205 @@ struct lpfc_mbx_supp_pages {
 #define LPFC_SLI4_PARAMETERS           2
 };
 
+struct lpfc_mbx_memory_dump_type3 {
+       uint32_t word1;
+#define lpfc_mbx_memory_dump_type3_type_SHIFT    0
+#define lpfc_mbx_memory_dump_type3_type_MASK     0x0000000f
+#define lpfc_mbx_memory_dump_type3_type_WORD     word1
+#define lpfc_mbx_memory_dump_type3_link_SHIFT    24
+#define lpfc_mbx_memory_dump_type3_link_MASK     0x000000ff
+#define lpfc_mbx_memory_dump_type3_link_WORD     word1
+       uint32_t word2;
+#define lpfc_mbx_memory_dump_type3_page_no_SHIFT  0
+#define lpfc_mbx_memory_dump_type3_page_no_MASK   0x0000ffff
+#define lpfc_mbx_memory_dump_type3_page_no_WORD   word2
+#define lpfc_mbx_memory_dump_type3_offset_SHIFT   16
+#define lpfc_mbx_memory_dump_type3_offset_MASK    0x0000ffff
+#define lpfc_mbx_memory_dump_type3_offset_WORD    word2
+       uint32_t word3;
+#define lpfc_mbx_memory_dump_type3_length_SHIFT  0
+#define lpfc_mbx_memory_dump_type3_length_MASK   0x00ffffff
+#define lpfc_mbx_memory_dump_type3_length_WORD   word3
+       uint32_t addr_lo;
+       uint32_t addr_hi;
+       uint32_t return_len;
+};
+
+#define DMP_PAGE_A0             0xa0
+#define DMP_PAGE_A2             0xa2
+#define DMP_SFF_PAGE_A0_SIZE   256
+#define DMP_SFF_PAGE_A2_SIZE   256
+
+#define SFP_WAVELENGTH_LC1310  1310
+#define SFP_WAVELENGTH_LL1550  1550
+
+
+/*
+ *  * SFF-8472 TABLE 3.4
+ *   */
+#define  SFF_PG0_CONNECTOR_UNKNOWN    0x00   /* Unknown  */
+#define  SFF_PG0_CONNECTOR_SC         0x01   /* SC       */
+#define  SFF_PG0_CONNECTOR_FC_COPPER1 0x02   /* FC style 1 copper connector */
+#define  SFF_PG0_CONNECTOR_FC_COPPER2 0x03   /* FC style 2 copper connector */
+#define  SFF_PG0_CONNECTOR_BNC        0x04   /* BNC / TNC */
+#define  SFF_PG0_CONNECTOR__FC_COAX   0x05   /* FC coaxial headers */
+#define  SFF_PG0_CONNECTOR_FIBERJACK  0x06   /* FiberJack */
+#define  SFF_PG0_CONNECTOR_LC         0x07   /* LC        */
+#define  SFF_PG0_CONNECTOR_MT         0x08   /* MT - RJ   */
+#define  SFF_PG0_CONNECTOR_MU         0x09   /* MU        */
+#define  SFF_PG0_CONNECTOR_SF         0x0A   /* SG        */
+#define  SFF_PG0_CONNECTOR_OPTICAL_PIGTAIL 0x0B /* Optical pigtail */
+#define  SFF_PG0_CONNECTOR_OPTICAL_PARALLEL 0x0C /* MPO Parallel Optic */
+#define  SFF_PG0_CONNECTOR_HSSDC_II   0x20   /* HSSDC II */
+#define  SFF_PG0_CONNECTOR_COPPER_PIGTAIL 0x21 /* Copper pigtail */
+#define  SFF_PG0_CONNECTOR_RJ45       0x22  /* RJ45 */
+
+/* SFF-8472 Table 3.1 Diagnostics: Data Fields Address/Page A0 */
+
+#define SSF_IDENTIFIER                 0
+#define SSF_EXT_IDENTIFIER             1
+#define SSF_CONNECTOR                  2
+#define SSF_TRANSCEIVER_CODE_B0                3
+#define SSF_TRANSCEIVER_CODE_B1                4
+#define SSF_TRANSCEIVER_CODE_B2                5
+#define SSF_TRANSCEIVER_CODE_B3                6
+#define SSF_TRANSCEIVER_CODE_B4                7
+#define SSF_TRANSCEIVER_CODE_B5                8
+#define SSF_TRANSCEIVER_CODE_B6                9
+#define SSF_TRANSCEIVER_CODE_B7                10
+#define SSF_ENCODING                   11
+#define SSF_BR_NOMINAL                 12
+#define SSF_RATE_IDENTIFIER            13
+#define SSF_LENGTH_9UM_KM              14
+#define SSF_LENGTH_9UM                 15
+#define SSF_LENGTH_50UM_OM2            16
+#define SSF_LENGTH_62UM_OM1            17
+#define SFF_LENGTH_COPPER              18
+#define SSF_LENGTH_50UM_OM3            19
+#define SSF_VENDOR_NAME                        20
+#define SSF_VENDOR_OUI                 36
+#define SSF_VENDOR_PN                  40
+#define SSF_VENDOR_REV                 56
+#define SSF_WAVELENGTH_B1              60
+#define SSF_WAVELENGTH_B0              61
+#define SSF_CC_BASE                    63
+#define SSF_OPTIONS_B1                 64
+#define SSF_OPTIONS_B0                 65
+#define SSF_BR_MAX                     66
+#define SSF_BR_MIN                     67
+#define SSF_VENDOR_SN                  68
+#define SSF_DATE_CODE                  84
+#define SSF_MONITORING_TYPEDIAGNOSTIC  92
+#define SSF_ENHANCED_OPTIONS           93
+#define SFF_8472_COMPLIANCE            94
+#define SSF_CC_EXT                     95
+#define SSF_A0_VENDOR_SPECIFIC         96
+
+/* SFF-8472 Table 3.1a Diagnostics: Data Fields Address/Page A2 */
+
+#define SSF_AW_THRESHOLDS              0
+#define SSF_EXT_CAL_CONSTANTS          56
+#define SSF_CC_DMI                     95
+#define SFF_TEMPERATURE_B1             96
+#define SFF_TEMPERATURE_B0             97
+#define SFF_VCC_B1                     98
+#define SFF_VCC_B0                     99
+#define SFF_TX_BIAS_CURRENT_B1         100
+#define SFF_TX_BIAS_CURRENT_B0         101
+#define SFF_TXPOWER_B1                 102
+#define SFF_TXPOWER_B0                 103
+#define SFF_RXPOWER_B1                 104
+#define SFF_RXPOWER_B0                 105
+#define SSF_STATUS_CONTROL             110
+#define SSF_ALARM_FLAGS_B1             112
+#define SSF_ALARM_FLAGS_B0             113
+#define SSF_WARNING_FLAGS_B1           116
+#define SSF_WARNING_FLAGS_B0           117
+#define SSF_EXT_TATUS_CONTROL_B1       118
+#define SSF_EXT_TATUS_CONTROL_B0       119
+#define SSF_A2_VENDOR_SPECIFIC         120
+#define SSF_USER_EEPROM                        128
+#define SSF_VENDOR_CONTROL             148
+
+
+/*
+ * Tranceiver codes Fibre Channel SFF-8472
+ * Table 3.5.
+ */
+
+struct sff_trasnceiver_codes_byte0 {
+       uint8_t inifiband:4;
+       uint8_t teng_ethernet:4;
+};
+
+struct sff_trasnceiver_codes_byte1 {
+       uint8_t  sonet:6;
+       uint8_t  escon:2;
+};
+
+struct sff_trasnceiver_codes_byte2 {
+       uint8_t  soNet:8;
+};
+
+struct sff_trasnceiver_codes_byte3 {
+       uint8_t ethernet:8;
+};
+
+struct sff_trasnceiver_codes_byte4 {
+       uint8_t fc_el_lo:1;
+       uint8_t fc_lw_laser:1;
+       uint8_t fc_sw_laser:1;
+       uint8_t fc_md_distance:1;
+       uint8_t fc_lg_distance:1;
+       uint8_t fc_int_distance:1;
+       uint8_t fc_short_distance:1;
+       uint8_t fc_vld_distance:1;
+};
+
+struct sff_trasnceiver_codes_byte5 {
+       uint8_t reserved1:1;
+       uint8_t reserved2:1;
+       uint8_t fc_sfp_active:1;  /* Active cable   */
+       uint8_t fc_sfp_passive:1; /* Passive cable  */
+       uint8_t fc_lw_laser:1;     /* Longwave laser */
+       uint8_t fc_sw_laser_sl:1;
+       uint8_t fc_sw_laser_sn:1;
+       uint8_t fc_el_hi:1;        /* Electrical enclosure high bit */
+};
+
+struct sff_trasnceiver_codes_byte6 {
+       uint8_t fc_tm_sm:1;      /* Single Mode */
+       uint8_t reserved:1;
+       uint8_t fc_tm_m6:1;       /* Multimode, 62.5um (M6) */
+       uint8_t fc_tm_tv:1;      /* Video Coax (TV) */
+       uint8_t fc_tm_mi:1;      /* Miniature Coax (MI) */
+       uint8_t fc_tm_tp:1;      /* Twisted Pair (TP) */
+       uint8_t fc_tm_tw:1;      /* Twin Axial Pair  */
+};
+
+struct sff_trasnceiver_codes_byte7 {
+       uint8_t fc_sp_100MB:1;   /*  100 MB/sec */
+       uint8_t reserve:1;
+       uint8_t fc_sp_200mb:1;   /*  200 MB/sec */
+       uint8_t fc_sp_3200MB:1;  /* 3200 MB/sec */
+       uint8_t fc_sp_400MB:1;   /*  400 MB/sec */
+       uint8_t fc_sp_1600MB:1;  /* 1600 MB/sec */
+       uint8_t fc_sp_800MB:1;   /*  800 MB/sec */
+       uint8_t fc_sp_1200MB:1;  /* 1200 MB/sec */
+};
+
+/* User writable non-volatile memory, SFF-8472 Table 3.20 */
+struct user_eeprom {
+       uint8_t vendor_name[16];
+       uint8_t vendor_oui[3];
+       uint8_t vendor_pn[816];
+       uint8_t vendor_rev[4];
+       uint8_t vendor_sn[16];
+       uint8_t datecode[6];
+       uint8_t lot_code[2];
+       uint8_t reserved191[57];
+};
+
 struct lpfc_mbx_pc_sli4_params {
        uint32_t word1;
 #define qs_SHIFT                               0
@@ -3054,6 +3253,7 @@ struct lpfc_mqe {
                struct lpfc_mbx_get_prof_cfg get_prof_cfg;
                struct lpfc_mbx_wr_object wr_object;
                struct lpfc_mbx_get_port_name get_port_name;
+               struct lpfc_mbx_memory_dump_type3 mem_dump_type3;
                struct lpfc_mbx_nop nop;
        } un;
 };
@@ -3199,6 +3399,7 @@ struct lpfc_acqe_fc_la {
 #define LPFC_FC_LA_SPEED_8G            0x8
 #define LPFC_FC_LA_SPEED_10G           0xA
 #define LPFC_FC_LA_SPEED_16G           0x10
+#define LPFC_FC_LA_SPEED_32G            0x20
 #define lpfc_acqe_fc_la_topology_SHIFT         16
 #define lpfc_acqe_fc_la_topology_MASK          0x000000FF
 #define lpfc_acqe_fc_la_topology_WORD          word0
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 816f596..eb62772 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -2255,6 +2255,158 @@ lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct 
lpfcMboxq *mbox)
        return 0;
 }
 
+void
+lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+       MAILBOX_t *mb;
+       int rc = FAILURE;
+       struct lpfc_rdp_context *rdp_context =
+                       (struct lpfc_rdp_context *)(mboxq->context2);
+
+       mb = &mboxq->u.mb;
+       if (mb->mbxStatus)
+               goto mbx_failed;
+
+       memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR));
+
+       rc = SUCCESS;
+
+mbx_failed:
+       lpfc_sli4_mbox_cmd_free(phba, mboxq);
+       rdp_context->cmpl(phba, rdp_context, rc);
+}
+
+void
+lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
+{
+       struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) mbox->context1;
+       struct lpfc_rdp_context *rdp_context =
+                       (struct lpfc_rdp_context *)(mbox->context2);
+
+       if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
+               goto error;
+
+       lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2,
+                               DMP_SFF_PAGE_A2_SIZE);
+
+       /* We don't need dma buffer for link stat. */
+       lpfc_mbuf_free(phba, mp->virt, mp->phys);
+       kfree(mp);
+
+       memset(mbox, 0, sizeof(*mbox));
+       lpfc_read_lnk_stat(phba, mbox);
+       mbox->vport = rdp_context->ndlp->vport;
+       mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat;
+       mbox->context2 = (struct lpfc_rdp_context *) rdp_context;
+       if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED)
+               goto error;
+
+       return;
+
+error:
+       lpfc_mbuf_free(phba, mp->virt, mp->phys);
+       kfree(mp);
+       lpfc_sli4_mbox_cmd_free(phba, mbox);
+       rdp_context->cmpl(phba, rdp_context, FAILURE);
+}
+
+void
+lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
+{
+       int rc;
+       struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (mbox->context1);
+       struct lpfc_rdp_context *rdp_context =
+                       (struct lpfc_rdp_context *)(mbox->context2);
+
+       if (bf_get(lpfc_mqe_status, &mbox->u.mqe))
+               goto error;
+
+       lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0,
+                               DMP_SFF_PAGE_A0_SIZE);
+
+       memset(mbox, 0, sizeof(*mbox));
+
+       memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE);
+       INIT_LIST_HEAD(&mp->list);
+
+       /* save address for completion */
+       mbox->context1 = mp;
+       mbox->vport = rdp_context->ndlp->vport;
+
+       bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
+       bf_set(lpfc_mbx_memory_dump_type3_type,
+               &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
+       bf_set(lpfc_mbx_memory_dump_type3_link,
+               &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
+       bf_set(lpfc_mbx_memory_dump_type3_page_no,
+               &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2);
+       bf_set(lpfc_mbx_memory_dump_type3_length,
+               &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE);
+       mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
+       mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
+
+       mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2;
+       mbox->context2 = (struct lpfc_rdp_context *) rdp_context;
+       rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
+       if (rc == MBX_NOT_FINISHED)
+               goto error;
+
+       return;
+
+error:
+       lpfc_mbuf_free(phba, mp->virt, mp->phys);
+       kfree(mp);
+       lpfc_sli4_mbox_cmd_free(phba, mbox);
+       rdp_context->cmpl(phba, rdp_context, FAILURE);
+}
+
+
+/*
+ * lpfc_sli4_dump_sfp_pagea0 - Dump sli4 read SFP Diagnostic.
+ * @phba: pointer to the hba structure containing.
+ * @mbox: pointer to lpfc mbox command to initialize.
+ *
+ * This function create a SLI4 dump mailbox command to dump configure
+ * type 3 page 0xA0.
+ */
+int
+lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
+{
+       struct lpfc_dmabuf *mp = NULL;
+
+       memset(mbox, 0, sizeof(*mbox));
+
+       mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+       if (mp)
+               mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
+       if (!mp || !mp->virt) {
+               kfree(mp);
+               lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
+                       "3569 dump type 3 page 0xA0 allocation failed\n");
+               return 1;
+       }
+
+       memset(mp->virt, 0, LPFC_BPL_SIZE);
+       INIT_LIST_HEAD(&mp->list);
+
+       bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY);
+       /* save address for completion */
+       mbox->context1 = mp;
+
+       bf_set(lpfc_mbx_memory_dump_type3_type,
+               &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD);
+       bf_set(lpfc_mbx_memory_dump_type3_link,
+               &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port);
+       bf_set(lpfc_mbx_memory_dump_type3_page_no,
+               &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0);
+       bf_set(lpfc_mbx_memory_dump_type3_length,
+               &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE);
+       mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys);
+       mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys);
+
+       return 0;
+}
+
 /**
  * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command
  * @phba: pointer to the hba structure containing the FCF index and RQ ID.
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 2ce6cb5..d1a5b05 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -652,6 +652,16 @@ struct lpfc_rsrc_blks {
        uint16_t rsrc_used;
 };
 
+struct lpfc_rdp_context {
+       struct lpfc_nodelist *ndlp;
+       uint16_t ox_id;
+       uint16_t rx_id;
+       READ_LNK_VAR link_stat;
+       uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
+       uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
+       void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
+};
+
 struct lpfc_lcb_context {
        uint8_t  sub_command;
        uint8_t  type;
-- 
1.7.11.7

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