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0001 /*******************************************************************
0002  * This file is part of the Emulex Linux Device Driver for         *
0003  * Fibre Channel Host Bus Adapters.                                *
0004  * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
0005  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
0006  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
0007  * EMULEX and SLI are trademarks of Emulex.                        *
0008  * www.broadcom.com                                                *
0009  *                                                                 *
0010  * This program is free software; you can redistribute it and/or   *
0011  * modify it under the terms of version 2 of the GNU General       *
0012  * Public License as published by the Free Software Foundation.    *
0013  * This program is distributed in the hope that it will be useful. *
0014  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
0015  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
0016  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
0017  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
0018  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
0019  * more details, a copy of which can be found in the file COPYING  *
0020  * included with this package.                                     *
0021  *******************************************************************/
0022 
0023 /*
0024  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
0025  */
0026 
0027 #include <linux/blkdev.h>
0028 #include <linux/pci.h>
0029 #include <linux/interrupt.h>
0030 #include <linux/slab.h>
0031 #include <linux/utsname.h>
0032 
0033 #include <scsi/scsi.h>
0034 #include <scsi/scsi_device.h>
0035 #include <scsi/scsi_host.h>
0036 #include <scsi/scsi_transport_fc.h>
0037 #include <scsi/fc/fc_fs.h>
0038 
0039 #include "lpfc_hw4.h"
0040 #include "lpfc_hw.h"
0041 #include "lpfc_sli.h"
0042 #include "lpfc_sli4.h"
0043 #include "lpfc_nl.h"
0044 #include "lpfc_disc.h"
0045 #include "lpfc.h"
0046 #include "lpfc_scsi.h"
0047 #include "lpfc_logmsg.h"
0048 #include "lpfc_crtn.h"
0049 #include "lpfc_version.h"
0050 #include "lpfc_vport.h"
0051 #include "lpfc_debugfs.h"
0052 
0053 /* FDMI Port Speed definitions - FC-GS-7 */
0054 #define HBA_PORTSPEED_1GFC      0x00000001  /* 1G FC */
0055 #define HBA_PORTSPEED_2GFC      0x00000002  /* 2G FC */
0056 #define HBA_PORTSPEED_4GFC      0x00000008  /* 4G FC */
0057 #define HBA_PORTSPEED_10GFC     0x00000004  /* 10G FC */
0058 #define HBA_PORTSPEED_8GFC      0x00000010  /* 8G FC */
0059 #define HBA_PORTSPEED_16GFC     0x00000020  /* 16G FC */
0060 #define HBA_PORTSPEED_32GFC     0x00000040  /* 32G FC */
0061 #define HBA_PORTSPEED_20GFC     0x00000080  /* 20G FC */
0062 #define HBA_PORTSPEED_40GFC     0x00000100  /* 40G FC */
0063 #define HBA_PORTSPEED_128GFC        0x00000200  /* 128G FC */
0064 #define HBA_PORTSPEED_64GFC     0x00000400  /* 64G FC */
0065 #define HBA_PORTSPEED_256GFC        0x00000800  /* 256G FC */
0066 #define HBA_PORTSPEED_UNKNOWN       0x00008000  /* Unknown */
0067 #define HBA_PORTSPEED_10GE      0x00010000  /* 10G E */
0068 #define HBA_PORTSPEED_40GE      0x00020000  /* 40G E */
0069 #define HBA_PORTSPEED_100GE     0x00040000  /* 100G E */
0070 #define HBA_PORTSPEED_25GE      0x00080000  /* 25G E */
0071 #define HBA_PORTSPEED_50GE      0x00100000  /* 50G E */
0072 #define HBA_PORTSPEED_400GE     0x00200000  /* 400G E */
0073 
0074 #define FOURBYTES   4
0075 
0076 
0077 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
0078 static void
0079 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
0080               struct lpfc_iocbq *rspiocb);
0081 
0082 static void
0083 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
0084               struct lpfc_dmabuf *mp, uint32_t size)
0085 {
0086     if (!mp) {
0087         lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
0088                 "0146 Ignoring unsolicited CT No HBQ "
0089                 "status = x%x\n",
0090                 get_job_ulpstatus(phba, piocbq));
0091     }
0092     lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
0093             "0145 Ignoring unsolicted CT HBQ Size:%d "
0094             "status = x%x\n",
0095             size, get_job_ulpstatus(phba, piocbq));
0096 }
0097 
0098 static void
0099 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
0100              struct lpfc_dmabuf *mp, uint32_t size)
0101 {
0102     lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
0103 }
0104 
0105 /**
0106  * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands
0107  * @phba : pointer to lpfc hba data structure.
0108  * @cmdiocb : pointer to lpfc command iocb data structure.
0109  * @rspiocb : pointer to lpfc response iocb data structure.
0110  *
0111  * This routine is the callback function for issuing unsol ct reject command.
0112  * The memory allocated in the reject command path is freed up here.
0113  **/
0114 static void
0115 lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
0116            struct lpfc_iocbq *rspiocb)
0117 {
0118     struct lpfc_nodelist *ndlp;
0119     struct lpfc_dmabuf *mp, *bmp;
0120 
0121     ndlp = cmdiocb->ndlp;
0122     if (ndlp)
0123         lpfc_nlp_put(ndlp);
0124 
0125     mp = cmdiocb->rsp_dmabuf;
0126     bmp = cmdiocb->bpl_dmabuf;
0127     if (mp) {
0128         lpfc_mbuf_free(phba, mp->virt, mp->phys);
0129         kfree(mp);
0130         cmdiocb->rsp_dmabuf = NULL;
0131     }
0132 
0133     if (bmp) {
0134         lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
0135         kfree(bmp);
0136         cmdiocb->bpl_dmabuf = NULL;
0137     }
0138 
0139     lpfc_sli_release_iocbq(phba, cmdiocb);
0140 }
0141 
0142 /**
0143  * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands
0144  * @ndlp: pointer to a node-list data structure.
0145  * @ct_req: pointer to the CT request data structure.
0146  * @ulp_context: context of received UNSOL CT command
0147  * @ox_id: ox_id of the UNSOL CT command
0148  *
0149  * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending
0150  * a reject response. Reject response is sent for the unhandled commands.
0151  **/
0152 static void
0153 lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
0154              struct lpfc_sli_ct_request *ct_req,
0155              u16 ulp_context, u16 ox_id)
0156 {
0157     struct lpfc_vport *vport = ndlp->vport;
0158     struct lpfc_hba *phba = vport->phba;
0159     struct lpfc_sli_ct_request *ct_rsp;
0160     struct lpfc_iocbq *cmdiocbq = NULL;
0161     struct lpfc_dmabuf *bmp = NULL;
0162     struct lpfc_dmabuf *mp = NULL;
0163     struct ulp_bde64 *bpl;
0164     u8 rc = 0;
0165     u32 tmo;
0166 
0167     /* fill in BDEs for command */
0168     mp = kmalloc(sizeof(*mp), GFP_KERNEL);
0169     if (!mp) {
0170         rc = 1;
0171         goto ct_exit;
0172     }
0173 
0174     mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys);
0175     if (!mp->virt) {
0176         rc = 2;
0177         goto ct_free_mp;
0178     }
0179 
0180     /* Allocate buffer for Buffer ptr list */
0181     bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
0182     if (!bmp) {
0183         rc = 3;
0184         goto ct_free_mpvirt;
0185     }
0186 
0187     bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys);
0188     if (!bmp->virt) {
0189         rc = 4;
0190         goto ct_free_bmp;
0191     }
0192 
0193     INIT_LIST_HEAD(&mp->list);
0194     INIT_LIST_HEAD(&bmp->list);
0195 
0196     bpl = (struct ulp_bde64 *)bmp->virt;
0197     memset(bpl, 0, sizeof(struct ulp_bde64));
0198     bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
0199     bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
0200     bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
0201     bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
0202     bpl->tus.w = le32_to_cpu(bpl->tus.w);
0203 
0204     ct_rsp = (struct lpfc_sli_ct_request *)mp->virt;
0205     memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request));
0206 
0207     ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION;
0208     ct_rsp->RevisionId.bits.InId = 0;
0209     ct_rsp->FsType = ct_req->FsType;
0210     ct_rsp->FsSubType = ct_req->FsSubType;
0211     ct_rsp->CommandResponse.bits.Size = 0;
0212     ct_rsp->CommandResponse.bits.CmdRsp =
0213         cpu_to_be16(SLI_CT_RESPONSE_FS_RJT);
0214     ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED;
0215     ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL;
0216 
0217     cmdiocbq = lpfc_sli_get_iocbq(phba);
0218     if (!cmdiocbq) {
0219         rc = 5;
0220         goto ct_free_bmpvirt;
0221     }
0222 
0223     if (phba->sli_rev == LPFC_SLI_REV4) {
0224         lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp,
0225                      phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
0226                      ox_id, 1, FC_RCTL_DD_SOL_CTL, 1,
0227                      CMD_XMIT_SEQUENCE64_WQE);
0228     } else {
0229         lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1,
0230                      FC_RCTL_DD_SOL_CTL, 1,
0231                      CMD_XMIT_SEQUENCE64_CX);
0232     }
0233 
0234     /* Save for completion so we can release these resources */
0235     cmdiocbq->rsp_dmabuf = mp;
0236     cmdiocbq->bpl_dmabuf = bmp;
0237     cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl;
0238     tmo = (3 * phba->fc_ratov);
0239 
0240     cmdiocbq->retry = 0;
0241     cmdiocbq->vport = vport;
0242     cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
0243 
0244     cmdiocbq->ndlp = lpfc_nlp_get(ndlp);
0245     if (!cmdiocbq->ndlp)
0246         goto ct_no_ndlp;
0247 
0248     rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
0249     if (rc) {
0250         lpfc_nlp_put(ndlp);
0251         goto ct_no_ndlp;
0252     }
0253     return;
0254 
0255 ct_no_ndlp:
0256     rc = 6;
0257     lpfc_sli_release_iocbq(phba, cmdiocbq);
0258 ct_free_bmpvirt:
0259     lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
0260 ct_free_bmp:
0261     kfree(bmp);
0262 ct_free_mpvirt:
0263     lpfc_mbuf_free(phba, mp->virt, mp->phys);
0264 ct_free_mp:
0265     kfree(mp);
0266 ct_exit:
0267     lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
0268              "6440 Unsol CT: Rsp err %d Data: x%x\n",
0269              rc, vport->fc_flag);
0270 }
0271 
0272 /**
0273  * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer
0274  * @phba: pointer to lpfc hba data structure.
0275  * @ctiocbq: pointer to lpfc CT command iocb data structure.
0276  *
0277  * This routine is used for processing the IOCB associated with a unsolicited
0278  * CT MIB request. It first determines whether there is an existing ndlp that
0279  * matches the DID from the unsolicited IOCB. If not, it will return.
0280  **/
0281 static void
0282 lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
0283 {
0284     struct lpfc_sli_ct_request *ct_req;
0285     struct lpfc_nodelist *ndlp = NULL;
0286     struct lpfc_vport *vport = ctiocbq->vport;
0287     u32 ulp_status = get_job_ulpstatus(phba, ctiocbq);
0288     u32 ulp_word4 = get_job_word4(phba, ctiocbq);
0289     u32 did;
0290     u32 mi_cmd;
0291 
0292     did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp);
0293     if (ulp_status) {
0294         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
0295                  "6438 Unsol CT: status:x%x/x%x did : x%x\n",
0296                  ulp_status, ulp_word4, did);
0297         return;
0298     }
0299 
0300     /* Ignore traffic received during vport shutdown */
0301     if (vport->fc_flag & FC_UNLOADING)
0302         return;
0303 
0304     ndlp = lpfc_findnode_did(vport, did);
0305     if (!ndlp) {
0306         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
0307                  "6439 Unsol CT: NDLP Not Found for DID : x%x",
0308                  did);
0309         return;
0310     }
0311 
0312     ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
0313 
0314     mi_cmd = ct_req->CommandResponse.bits.CmdRsp;
0315     lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
0316              "6442 : MI Cmd : x%x Not Supported\n", mi_cmd);
0317     lpfc_ct_reject_event(ndlp, ct_req,
0318                  bf_get(wqe_ctxt_tag,
0319                     &ctiocbq->wqe.xmit_els_rsp.wqe_com),
0320                  bf_get(wqe_rcvoxid,
0321                     &ctiocbq->wqe.xmit_els_rsp.wqe_com));
0322 }
0323 
0324 /**
0325  * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring
0326  * @phba: pointer to lpfc hba data structure.
0327  * @pring: pointer to a SLI ring.
0328  * @ctiocbq: pointer to lpfc ct iocb data structure.
0329  *
0330  * This routine is used to process an unsolicited event received from a SLI
0331  * (Service Level Interface) ring. The actual processing of the data buffer
0332  * associated with the unsolicited event is done by invoking appropriate routine
0333  * after properly set up the iocb buffer from the SLI ring on which the
0334  * unsolicited event was received.
0335  **/
0336 void
0337 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
0338             struct lpfc_iocbq *ctiocbq)
0339 {
0340     struct lpfc_dmabuf *mp = NULL;
0341     IOCB_t *icmd = &ctiocbq->iocb;
0342     int i;
0343     struct lpfc_iocbq *iocbq;
0344     struct lpfc_iocbq *iocb;
0345     dma_addr_t dma_addr;
0346     uint32_t size;
0347     struct list_head head;
0348     struct lpfc_sli_ct_request *ct_req;
0349     struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf;
0350     struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf;
0351     u32 status, parameter, bde_count = 0;
0352     struct lpfc_wcqe_complete *wcqe_cmpl = NULL;
0353 
0354     ctiocbq->cmd_dmabuf = NULL;
0355     ctiocbq->rsp_dmabuf = NULL;
0356     ctiocbq->bpl_dmabuf = NULL;
0357 
0358     wcqe_cmpl = &ctiocbq->wcqe_cmpl;
0359     status = get_job_ulpstatus(phba, ctiocbq);
0360     parameter = get_job_word4(phba, ctiocbq);
0361     if (phba->sli_rev == LPFC_SLI_REV4)
0362         bde_count = wcqe_cmpl->word3;
0363     else
0364         bde_count = icmd->ulpBdeCount;
0365 
0366     if (unlikely(status == IOSTAT_NEED_BUFFER)) {
0367         lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
0368     } else if ((status == IOSTAT_LOCAL_REJECT) &&
0369            ((parameter & IOERR_PARAM_MASK) ==
0370            IOERR_RCV_BUFFER_WAITING)) {
0371         /* Not enough posted buffers; Try posting more buffers */
0372         phba->fc_stat.NoRcvBuf++;
0373         if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
0374             lpfc_sli3_post_buffer(phba, pring, 2);
0375         return;
0376     }
0377 
0378     /* If there are no BDEs associated
0379      * with this IOCB, there is nothing to do.
0380      */
0381     if (bde_count == 0)
0382         return;
0383 
0384     ctiocbq->cmd_dmabuf = bdeBuf1;
0385     if (bde_count == 2)
0386         ctiocbq->bpl_dmabuf = bdeBuf2;
0387 
0388     ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt;
0389 
0390     if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE &&
0391         ct_req->FsSubType == SLI_CT_MIB_Subtypes) {
0392         lpfc_ct_handle_mibreq(phba, ctiocbq);
0393     } else {
0394         if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq))
0395             return;
0396     }
0397 
0398     if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
0399         INIT_LIST_HEAD(&head);
0400         list_add_tail(&head, &ctiocbq->list);
0401         list_for_each_entry(iocb, &head, list) {
0402             if (phba->sli_rev == LPFC_SLI_REV4)
0403                 bde_count = iocb->wcqe_cmpl.word3;
0404             else
0405                 bde_count = iocb->iocb.ulpBdeCount;
0406 
0407             if (!bde_count)
0408                 continue;
0409             bdeBuf1 = iocb->cmd_dmabuf;
0410             iocb->cmd_dmabuf = NULL;
0411             if (phba->sli_rev == LPFC_SLI_REV4)
0412                 size = iocb->wqe.gen_req.bde.tus.f.bdeSize;
0413             else
0414                 size  = iocb->iocb.un.cont64[0].tus.f.bdeSize;
0415             lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size);
0416             lpfc_in_buf_free(phba, bdeBuf1);
0417             if (bde_count == 2) {
0418                 bdeBuf2 = iocb->bpl_dmabuf;
0419                 iocb->bpl_dmabuf = NULL;
0420                 if (phba->sli_rev == LPFC_SLI_REV4)
0421                     size = iocb->unsol_rcv_len;
0422                 else
0423                     size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize;
0424                 lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2,
0425                              size);
0426                 lpfc_in_buf_free(phba, bdeBuf2);
0427             }
0428         }
0429         list_del(&head);
0430     } else {
0431         INIT_LIST_HEAD(&head);
0432         list_add_tail(&head, &ctiocbq->list);
0433         list_for_each_entry(iocbq, &head, list) {
0434             icmd = &iocbq->iocb;
0435             if (icmd->ulpBdeCount == 0)
0436                 lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
0437             for (i = 0; i < icmd->ulpBdeCount; i++) {
0438                 dma_addr = getPaddr(icmd->un.cont64[i].addrHigh,
0439                             icmd->un.cont64[i].addrLow);
0440                 mp = lpfc_sli_ringpostbuf_get(phba, pring,
0441                                   dma_addr);
0442                 size = icmd->un.cont64[i].tus.f.bdeSize;
0443                 lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
0444                 lpfc_in_buf_free(phba, mp);
0445             }
0446             lpfc_sli3_post_buffer(phba, pring, i);
0447         }
0448         list_del(&head);
0449     }
0450 }
0451 
0452 /**
0453  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
0454  * @phba: Pointer to HBA context object.
0455  * @dmabuf: pointer to a dmabuf that describes the FC sequence
0456  *
0457  * This function serves as the upper level protocol abort handler for CT
0458  * protocol.
0459  *
0460  * Return 1 if abort has been handled, 0 otherwise.
0461  **/
0462 int
0463 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
0464 {
0465     int handled;
0466 
0467     /* CT upper level goes through BSG */
0468     handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
0469 
0470     return handled;
0471 }
0472 
0473 static void
0474 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
0475 {
0476     struct lpfc_dmabuf *mlast, *next_mlast;
0477 
0478     list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
0479         lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
0480         list_del(&mlast->list);
0481         kfree(mlast);
0482     }
0483     lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
0484     kfree(mlist);
0485     return;
0486 }
0487 
0488 static struct lpfc_dmabuf *
0489 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
0490           uint32_t size, int *entries)
0491 {
0492     struct lpfc_dmabuf *mlist = NULL;
0493     struct lpfc_dmabuf *mp;
0494     int cnt, i = 0;
0495 
0496     /* We get chunks of FCELSSIZE */
0497     cnt = size > FCELSSIZE ? FCELSSIZE: size;
0498 
0499     while (size) {
0500         /* Allocate buffer for rsp payload */
0501         mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
0502         if (!mp) {
0503             if (mlist)
0504                 lpfc_free_ct_rsp(phba, mlist);
0505             return NULL;
0506         }
0507 
0508         INIT_LIST_HEAD(&mp->list);
0509 
0510         if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
0511             cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
0512             mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
0513         else
0514             mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
0515 
0516         if (!mp->virt) {
0517             kfree(mp);
0518             if (mlist)
0519                 lpfc_free_ct_rsp(phba, mlist);
0520             return NULL;
0521         }
0522 
0523         /* Queue it to a linked list */
0524         if (!mlist)
0525             mlist = mp;
0526         else
0527             list_add_tail(&mp->list, &mlist->list);
0528 
0529         bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
0530         /* build buffer ptr list for IOCB */
0531         bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
0532         bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
0533         bpl->tus.f.bdeSize = (uint16_t) cnt;
0534         bpl->tus.w = le32_to_cpu(bpl->tus.w);
0535         bpl++;
0536 
0537         i++;
0538         size -= cnt;
0539     }
0540 
0541     *entries = i;
0542     return mlist;
0543 }
0544 
0545 int
0546 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
0547 {
0548     struct lpfc_dmabuf *buf_ptr;
0549 
0550     /* IOCBQ job structure gets cleaned during release.  Just release
0551      * the dma buffers here.
0552      */
0553     if (ctiocb->cmd_dmabuf) {
0554         buf_ptr = ctiocb->cmd_dmabuf;
0555         lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
0556         kfree(buf_ptr);
0557         ctiocb->cmd_dmabuf = NULL;
0558     }
0559     if (ctiocb->rsp_dmabuf) {
0560         lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf);
0561         ctiocb->rsp_dmabuf = NULL;
0562     }
0563 
0564     if (ctiocb->bpl_dmabuf) {
0565         buf_ptr = ctiocb->bpl_dmabuf;
0566         lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
0567         kfree(buf_ptr);
0568         ctiocb->bpl_dmabuf = NULL;
0569     }
0570     lpfc_sli_release_iocbq(phba, ctiocb);
0571     return 0;
0572 }
0573 
0574 /*
0575  * lpfc_gen_req - Build and issue a GEN_REQUEST command  to the SLI Layer
0576  * @vport: pointer to a host virtual N_Port data structure.
0577  * @bmp: Pointer to BPL for SLI command
0578  * @inp: Pointer to data buffer for response data.
0579  * @outp: Pointer to data buffer that hold the CT command.
0580  * @cmpl: completion routine to call when command completes
0581  * @ndlp: Destination NPort nodelist entry
0582  *
0583  * This function as the final part for issuing a CT command.
0584  */
0585 static int
0586 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
0587          struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
0588          void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
0589               struct lpfc_iocbq *),
0590          struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry,
0591          uint32_t tmo, uint8_t retry)
0592 {
0593     struct lpfc_hba  *phba = vport->phba;
0594     struct lpfc_iocbq *geniocb;
0595     int rc;
0596     u16 ulp_context;
0597 
0598     /* Allocate buffer for  command iocb */
0599     geniocb = lpfc_sli_get_iocbq(phba);
0600 
0601     if (geniocb == NULL)
0602         return 1;
0603 
0604     /* Update the num_entry bde count */
0605     geniocb->num_bdes = num_entry;
0606 
0607     geniocb->bpl_dmabuf = bmp;
0608 
0609     /* Save for completion so we can release these resources */
0610     geniocb->cmd_dmabuf = inp;
0611     geniocb->rsp_dmabuf = outp;
0612 
0613     geniocb->event_tag = event_tag;
0614 
0615     if (!tmo) {
0616          /* FC spec states we need 3 * ratov for CT requests */
0617         tmo = (3 * phba->fc_ratov);
0618     }
0619 
0620     if (phba->sli_rev == LPFC_SLI_REV4)
0621         ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
0622     else
0623         ulp_context = ndlp->nlp_rpi;
0624 
0625     lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo);
0626 
0627     /* Issue GEN REQ IOCB for NPORT <did> */
0628     lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
0629              "0119 Issue GEN REQ IOCB to NPORT x%x "
0630              "Data: x%x x%x\n",
0631              ndlp->nlp_DID, geniocb->iotag,
0632              vport->port_state);
0633     geniocb->cmd_cmpl = cmpl;
0634     geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
0635     geniocb->vport = vport;
0636     geniocb->retry = retry;
0637     geniocb->ndlp = lpfc_nlp_get(ndlp);
0638     if (!geniocb->ndlp)
0639         goto out;
0640 
0641     rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
0642     if (rc == IOCB_ERROR) {
0643         lpfc_nlp_put(ndlp);
0644         goto out;
0645     }
0646 
0647     return 0;
0648 out:
0649     lpfc_sli_release_iocbq(phba, geniocb);
0650     return 1;
0651 }
0652 
0653 /*
0654  * lpfc_ct_cmd - Build and issue a CT command
0655  * @vport: pointer to a host virtual N_Port data structure.
0656  * @inmp: Pointer to data buffer for response data.
0657  * @bmp: Pointer to BPL for SLI command
0658  * @ndlp: Destination NPort nodelist entry
0659  * @cmpl: completion routine to call when command completes
0660  *
0661  * This function is called for issuing a CT command.
0662  */
0663 static int
0664 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
0665         struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
0666         void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
0667               struct lpfc_iocbq *),
0668         uint32_t rsp_size, uint8_t retry)
0669 {
0670     struct lpfc_hba  *phba = vport->phba;
0671     struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
0672     struct lpfc_dmabuf *outmp;
0673     int cnt = 0, status;
0674     int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
0675         CommandResponse.bits.CmdRsp;
0676 
0677     bpl++;          /* Skip past ct request */
0678 
0679     /* Put buffer(s) for ct rsp in bpl */
0680     outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
0681     if (!outmp)
0682         return -ENOMEM;
0683     /*
0684      * Form the CT IOCB.  The total number of BDEs in this IOCB
0685      * is the single command plus response count from
0686      * lpfc_alloc_ct_rsp.
0687      */
0688     cnt += 1;
0689     status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp,
0690             phba->fc_eventTag, cnt, 0, retry);
0691     if (status) {
0692         lpfc_free_ct_rsp(phba, outmp);
0693         return -ENOMEM;
0694     }
0695     return 0;
0696 }
0697 
0698 struct lpfc_vport *
0699 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
0700     struct lpfc_vport *vport_curr;
0701     unsigned long flags;
0702 
0703     spin_lock_irqsave(&phba->port_list_lock, flags);
0704     list_for_each_entry(vport_curr, &phba->port_list, listentry) {
0705         if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
0706             spin_unlock_irqrestore(&phba->port_list_lock, flags);
0707             return vport_curr;
0708         }
0709     }
0710     spin_unlock_irqrestore(&phba->port_list_lock, flags);
0711     return NULL;
0712 }
0713 
0714 static void
0715 lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
0716 {
0717     struct lpfc_nodelist *ndlp;
0718 
0719     if ((vport->port_type != LPFC_NPIV_PORT) ||
0720         !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
0721 
0722         ndlp = lpfc_setup_disc_node(vport, Did);
0723 
0724         if (ndlp) {
0725             lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
0726                 "Parse GID_FTrsp: did:x%x flg:x%x x%x",
0727                 Did, ndlp->nlp_flag, vport->fc_flag);
0728 
0729             /* By default, the driver expects to support FCP FC4 */
0730             if (fc4_type == FC_TYPE_FCP)
0731                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
0732 
0733             if (fc4_type == FC_TYPE_NVME)
0734                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
0735 
0736             lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
0737                      "0238 Process x%06x NameServer Rsp "
0738                      "Data: x%x x%x x%x x%x x%x\n", Did,
0739                      ndlp->nlp_flag, ndlp->nlp_fc4_type,
0740                      ndlp->nlp_state, vport->fc_flag,
0741                      vport->fc_rscn_id_cnt);
0742 
0743             /* if ndlp needs to be discovered and prior
0744              * state of ndlp hit devloss, change state to
0745              * allow rediscovery.
0746              */
0747             if (ndlp->nlp_flag & NLP_NPR_2B_DISC &&
0748                 ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
0749                 lpfc_nlp_set_state(vport, ndlp,
0750                            NLP_STE_NPR_NODE);
0751             }
0752         } else {
0753             lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
0754                 "Skip1 GID_FTrsp: did:x%x flg:x%x cnt:%d",
0755                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
0756 
0757             lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
0758                      "0239 Skip x%06x NameServer Rsp "
0759                      "Data: x%x x%x x%px\n",
0760                      Did, vport->fc_flag,
0761                      vport->fc_rscn_id_cnt, ndlp);
0762         }
0763     } else {
0764         if (!(vport->fc_flag & FC_RSCN_MODE) ||
0765             lpfc_rscn_payload_check(vport, Did)) {
0766             lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
0767                 "Query GID_FTrsp: did:x%x flg:x%x cnt:%d",
0768                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
0769 
0770             /*
0771              * This NPortID was previously a FCP/NVMe target,
0772              * Don't even bother to send GFF_ID.
0773              */
0774             ndlp = lpfc_findnode_did(vport, Did);
0775             if (ndlp &&
0776                 (ndlp->nlp_type &
0777                 (NLP_FCP_TARGET | NLP_NVME_TARGET))) {
0778                 if (fc4_type == FC_TYPE_FCP)
0779                     ndlp->nlp_fc4_type |= NLP_FC4_FCP;
0780                 if (fc4_type == FC_TYPE_NVME)
0781                     ndlp->nlp_fc4_type |= NLP_FC4_NVME;
0782                 lpfc_setup_disc_node(vport, Did);
0783             } else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
0784                    0, Did) == 0)
0785                 vport->num_disc_nodes++;
0786             else
0787                 lpfc_setup_disc_node(vport, Did);
0788         } else {
0789             lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
0790                 "Skip2 GID_FTrsp: did:x%x flg:x%x cnt:%d",
0791                 Did, vport->fc_flag, vport->fc_rscn_id_cnt);
0792 
0793             lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
0794                      "0245 Skip x%06x NameServer Rsp "
0795                      "Data: x%x x%x\n", Did,
0796                      vport->fc_flag,
0797                      vport->fc_rscn_id_cnt);
0798         }
0799     }
0800 }
0801 
0802 static void
0803 lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
0804 {
0805     struct lpfc_hba *phba = vport->phba;
0806     struct lpfc_nodelist *ndlp = NULL;
0807     char *str;
0808 
0809     if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT)
0810         str = "GID_FT";
0811     else
0812         str = "GID_PT";
0813     lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
0814              "6430 Process %s rsp for %08x type %x %s %s\n",
0815              str, Did, fc4_type,
0816              (fc4_type == FC_TYPE_FCP) ?  "FCP" : " ",
0817              (fc4_type == FC_TYPE_NVME) ?  "NVME" : " ");
0818     /*
0819      * To conserve rpi's, filter out addresses for other
0820      * vports on the same physical HBAs.
0821      */
0822     if (Did != vport->fc_myDID &&
0823         (!lpfc_find_vport_by_did(phba, Did) ||
0824          vport->cfg_peer_port_login)) {
0825         if (!phba->nvmet_support) {
0826             /* FCPI/NVMEI path. Process Did */
0827             lpfc_prep_node_fc4type(vport, Did, fc4_type);
0828             return;
0829         }
0830         /* NVMET path.  NVMET only cares about NVMEI nodes. */
0831         list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
0832             if (ndlp->nlp_type != NLP_NVME_INITIATOR ||
0833                 ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
0834                 continue;
0835             spin_lock_irq(&ndlp->lock);
0836             if (ndlp->nlp_DID == Did)
0837                 ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
0838             else
0839                 ndlp->nlp_flag |= NLP_NVMET_RECOV;
0840             spin_unlock_irq(&ndlp->lock);
0841         }
0842     }
0843 }
0844 
0845 static int
0846 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
0847         uint32_t Size)
0848 {
0849     struct lpfc_sli_ct_request *Response =
0850         (struct lpfc_sli_ct_request *) mp->virt;
0851     struct lpfc_dmabuf *mlast, *next_mp;
0852     uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
0853     uint32_t Did, CTentry;
0854     int Cnt;
0855     struct list_head head;
0856     struct lpfc_nodelist *ndlp = NULL;
0857 
0858     lpfc_set_disctmo(vport);
0859     vport->num_disc_nodes = 0;
0860     vport->fc_ns_retry = 0;
0861 
0862 
0863     list_add_tail(&head, &mp->list);
0864     list_for_each_entry_safe(mp, next_mp, &head, list) {
0865         mlast = mp;
0866 
0867         Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
0868 
0869         Size -= Cnt;
0870 
0871         if (!ctptr) {
0872             ctptr = (uint32_t *) mlast->virt;
0873         } else
0874             Cnt -= 16;  /* subtract length of CT header */
0875 
0876         /* Loop through entire NameServer list of DIDs */
0877         while (Cnt >= sizeof(uint32_t)) {
0878             /* Get next DID from NameServer List */
0879             CTentry = *ctptr++;
0880             Did = ((be32_to_cpu(CTentry)) & Mask_DID);
0881             lpfc_ns_rsp_audit_did(vport, Did, fc4_type);
0882             if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
0883                 goto nsout1;
0884 
0885             Cnt -= sizeof(uint32_t);
0886         }
0887         ctptr = NULL;
0888 
0889     }
0890 
0891     /* All GID_FT entries processed.  If the driver is running in
0892      * in target mode, put impacted nodes into recovery and drop
0893      * the RPI to flush outstanding IO.
0894      */
0895     if (vport->phba->nvmet_support) {
0896         list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
0897             if (!(ndlp->nlp_flag & NLP_NVMET_RECOV))
0898                 continue;
0899             lpfc_disc_state_machine(vport, ndlp, NULL,
0900                         NLP_EVT_DEVICE_RECOVERY);
0901             spin_lock_irq(&ndlp->lock);
0902             ndlp->nlp_flag &= ~NLP_NVMET_RECOV;
0903             spin_unlock_irq(&ndlp->lock);
0904         }
0905     }
0906 
0907 nsout1:
0908     list_del(&head);
0909     return 0;
0910 }
0911 
0912 static void
0913 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
0914             struct lpfc_iocbq *rspiocb)
0915 {
0916     struct lpfc_vport *vport = cmdiocb->vport;
0917     struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
0918     struct lpfc_dmabuf *outp;
0919     struct lpfc_dmabuf *inp;
0920     struct lpfc_sli_ct_request *CTrsp;
0921     struct lpfc_sli_ct_request *CTreq;
0922     struct lpfc_nodelist *ndlp;
0923     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
0924     u32 ulp_word4 = get_job_word4(phba, rspiocb);
0925     int rc, type;
0926 
0927     /* First save ndlp, before we overwrite it */
0928     ndlp = cmdiocb->ndlp;
0929 
0930     /* we pass cmdiocb to state machine which needs rspiocb as well */
0931     cmdiocb->rsp_iocb = rspiocb;
0932     inp = cmdiocb->cmd_dmabuf;
0933     outp = cmdiocb->rsp_dmabuf;
0934 
0935     lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
0936          "GID_FT cmpl:     status:x%x/x%x rtry:%d",
0937         ulp_status, ulp_word4, vport->fc_ns_retry);
0938 
0939     /* Ignore response if link flipped after this request was made */
0940     if (cmdiocb->event_tag != phba->fc_eventTag) {
0941         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
0942                  "9043 Event tag mismatch. Ignoring NS rsp\n");
0943         goto out;
0944     }
0945 
0946     /* Don't bother processing response if vport is being torn down. */
0947     if (vport->load_flag & FC_UNLOADING) {
0948         if (vport->fc_flag & FC_RSCN_MODE)
0949             lpfc_els_flush_rscn(vport);
0950         goto out;
0951     }
0952 
0953     if (lpfc_els_chk_latt(vport)) {
0954         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
0955                  "0216 Link event during NS query\n");
0956         if (vport->fc_flag & FC_RSCN_MODE)
0957             lpfc_els_flush_rscn(vport);
0958         lpfc_vport_set_state(vport, FC_VPORT_FAILED);
0959         goto out;
0960     }
0961     if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
0962         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
0963                  "0226 NS query failed due to link event: "
0964                  "ulp_status x%x ulp_word4 x%x fc_flag x%x "
0965                  "port_state x%x gidft_inp x%x\n",
0966                  ulp_status, ulp_word4, vport->fc_flag,
0967                  vport->port_state, vport->gidft_inp);
0968         if (vport->fc_flag & FC_RSCN_MODE)
0969             lpfc_els_flush_rscn(vport);
0970         if (vport->gidft_inp)
0971             vport->gidft_inp--;
0972         goto out;
0973     }
0974 
0975     spin_lock_irq(shost->host_lock);
0976     if (vport->fc_flag & FC_RSCN_DEFERRED) {
0977         vport->fc_flag &= ~FC_RSCN_DEFERRED;
0978         spin_unlock_irq(shost->host_lock);
0979 
0980         /* This is a GID_FT completing so the gidft_inp counter was
0981          * incremented before the GID_FT was issued to the wire.
0982          */
0983         if (vport->gidft_inp)
0984             vport->gidft_inp--;
0985 
0986         /*
0987          * Skip processing the NS response
0988          * Re-issue the NS cmd
0989          */
0990         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
0991                  "0151 Process Deferred RSCN Data: x%x x%x\n",
0992                  vport->fc_flag, vport->fc_rscn_id_cnt);
0993         lpfc_els_handle_rscn(vport);
0994 
0995         goto out;
0996     }
0997     spin_unlock_irq(shost->host_lock);
0998 
0999     if (ulp_status) {
1000         /* Check for retry */
1001         if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1002             if (ulp_status != IOSTAT_LOCAL_REJECT ||
1003                 (ulp_word4 & IOERR_PARAM_MASK) !=
1004                 IOERR_NO_RESOURCES)
1005                 vport->fc_ns_retry++;
1006 
1007             type = lpfc_get_gidft_type(vport, cmdiocb);
1008             if (type == 0)
1009                 goto out;
1010 
1011             /* CT command is being retried */
1012             rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
1013                      vport->fc_ns_retry, type);
1014             if (rc == 0)
1015                 goto out;
1016             else { /* Unable to send NS cmd */
1017                 if (vport->gidft_inp)
1018                     vport->gidft_inp--;
1019             }
1020         }
1021         if (vport->fc_flag & FC_RSCN_MODE)
1022             lpfc_els_flush_rscn(vport);
1023         lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1024         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1025                  "0257 GID_FT Query error: 0x%x 0x%x\n",
1026                  ulp_status, vport->fc_ns_retry);
1027     } else {
1028         /* Good status, continue checking */
1029         CTreq = (struct lpfc_sli_ct_request *) inp->virt;
1030         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1031         if (CTrsp->CommandResponse.bits.CmdRsp ==
1032             cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1033             lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1034                      "0208 NameServer Rsp Data: x%x x%x "
1035                      "x%x x%x sz x%x\n",
1036                      vport->fc_flag,
1037                      CTreq->un.gid.Fc4Type,
1038                      vport->num_disc_nodes,
1039                      vport->gidft_inp,
1040                      get_job_data_placed(phba, rspiocb));
1041 
1042             lpfc_ns_rsp(vport,
1043                     outp,
1044                     CTreq->un.gid.Fc4Type,
1045                     get_job_data_placed(phba, rspiocb));
1046         } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1047                be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1048             /* NameServer Rsp Error */
1049             if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1050                 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1051                 lpfc_printf_vlog(vport, KERN_INFO,
1052                     LOG_DISCOVERY,
1053                     "0269 No NameServer Entries "
1054                     "Data: x%x x%x x%x x%x\n",
1055                     CTrsp->CommandResponse.bits.CmdRsp,
1056                     (uint32_t) CTrsp->ReasonCode,
1057                     (uint32_t) CTrsp->Explanation,
1058                     vport->fc_flag);
1059 
1060                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1061                 "GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
1062                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1063                 (uint32_t) CTrsp->ReasonCode,
1064                 (uint32_t) CTrsp->Explanation);
1065             } else {
1066                 lpfc_printf_vlog(vport, KERN_INFO,
1067                     LOG_DISCOVERY,
1068                     "0240 NameServer Rsp Error "
1069                     "Data: x%x x%x x%x x%x\n",
1070                     CTrsp->CommandResponse.bits.CmdRsp,
1071                     (uint32_t) CTrsp->ReasonCode,
1072                     (uint32_t) CTrsp->Explanation,
1073                     vport->fc_flag);
1074 
1075                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1076                 "GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1077                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1078                 (uint32_t) CTrsp->ReasonCode,
1079                 (uint32_t) CTrsp->Explanation);
1080             }
1081 
1082 
1083         } else {
1084             /* NameServer Rsp Error */
1085             lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1086                     "0241 NameServer Rsp Error "
1087                     "Data: x%x x%x x%x x%x\n",
1088                     CTrsp->CommandResponse.bits.CmdRsp,
1089                     (uint32_t) CTrsp->ReasonCode,
1090                     (uint32_t) CTrsp->Explanation,
1091                     vport->fc_flag);
1092 
1093             lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1094                 "GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1095                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1096                 (uint32_t) CTrsp->ReasonCode,
1097                 (uint32_t) CTrsp->Explanation);
1098         }
1099         if (vport->gidft_inp)
1100             vport->gidft_inp--;
1101     }
1102 
1103     lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1104              "4216 GID_FT cmpl inp %d disc %d\n",
1105              vport->gidft_inp, vport->num_disc_nodes);
1106 
1107     /* Link up / RSCN discovery */
1108     if ((vport->num_disc_nodes == 0) &&
1109         (vport->gidft_inp == 0)) {
1110         /*
1111          * The driver has cycled through all Nports in the RSCN payload.
1112          * Complete the handling by cleaning up and marking the
1113          * current driver state.
1114          */
1115         if (vport->port_state >= LPFC_DISC_AUTH) {
1116             if (vport->fc_flag & FC_RSCN_MODE) {
1117                 lpfc_els_flush_rscn(vport);
1118                 spin_lock_irq(shost->host_lock);
1119                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1120                 spin_unlock_irq(shost->host_lock);
1121             }
1122             else
1123                 lpfc_els_flush_rscn(vport);
1124         }
1125 
1126         lpfc_disc_start(vport);
1127     }
1128 out:
1129     lpfc_ct_free_iocb(phba, cmdiocb);
1130     lpfc_nlp_put(ndlp);
1131     return;
1132 }
1133 
1134 static void
1135 lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1136             struct lpfc_iocbq *rspiocb)
1137 {
1138     struct lpfc_vport *vport = cmdiocb->vport;
1139     struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1140     struct lpfc_dmabuf *outp;
1141     struct lpfc_dmabuf *inp;
1142     struct lpfc_sli_ct_request *CTrsp;
1143     struct lpfc_sli_ct_request *CTreq;
1144     struct lpfc_nodelist *ndlp;
1145     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1146     u32 ulp_word4 = get_job_word4(phba, rspiocb);
1147     int rc;
1148 
1149     /* First save ndlp, before we overwrite it */
1150     ndlp = cmdiocb->ndlp;
1151 
1152     /* we pass cmdiocb to state machine which needs rspiocb as well */
1153     cmdiocb->rsp_iocb = rspiocb;
1154     inp = cmdiocb->cmd_dmabuf;
1155     outp = cmdiocb->rsp_dmabuf;
1156 
1157     lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1158                   "GID_PT cmpl:     status:x%x/x%x rtry:%d",
1159                   ulp_status, ulp_word4,
1160                   vport->fc_ns_retry);
1161 
1162     /* Ignore response if link flipped after this request was made */
1163     if (cmdiocb->event_tag != phba->fc_eventTag) {
1164         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1165                  "9044 Event tag mismatch. Ignoring NS rsp\n");
1166         goto out;
1167     }
1168 
1169     /* Don't bother processing response if vport is being torn down. */
1170     if (vport->load_flag & FC_UNLOADING) {
1171         if (vport->fc_flag & FC_RSCN_MODE)
1172             lpfc_els_flush_rscn(vport);
1173         goto out;
1174     }
1175 
1176     if (lpfc_els_chk_latt(vport)) {
1177         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1178                  "4108 Link event during NS query\n");
1179         if (vport->fc_flag & FC_RSCN_MODE)
1180             lpfc_els_flush_rscn(vport);
1181         lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1182         goto out;
1183     }
1184     if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
1185         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1186                  "4166 NS query failed due to link event: "
1187                  "ulp_status x%x ulp_word4 x%x fc_flag x%x "
1188                  "port_state x%x gidft_inp x%x\n",
1189                  ulp_status, ulp_word4, vport->fc_flag,
1190                  vport->port_state, vport->gidft_inp);
1191         if (vport->fc_flag & FC_RSCN_MODE)
1192             lpfc_els_flush_rscn(vport);
1193         if (vport->gidft_inp)
1194             vport->gidft_inp--;
1195         goto out;
1196     }
1197 
1198     spin_lock_irq(shost->host_lock);
1199     if (vport->fc_flag & FC_RSCN_DEFERRED) {
1200         vport->fc_flag &= ~FC_RSCN_DEFERRED;
1201         spin_unlock_irq(shost->host_lock);
1202 
1203         /* This is a GID_PT completing so the gidft_inp counter was
1204          * incremented before the GID_PT was issued to the wire.
1205          */
1206         if (vport->gidft_inp)
1207             vport->gidft_inp--;
1208 
1209         /*
1210          * Skip processing the NS response
1211          * Re-issue the NS cmd
1212          */
1213         lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
1214                  "4167 Process Deferred RSCN Data: x%x x%x\n",
1215                  vport->fc_flag, vport->fc_rscn_id_cnt);
1216         lpfc_els_handle_rscn(vport);
1217 
1218         goto out;
1219     }
1220     spin_unlock_irq(shost->host_lock);
1221 
1222     if (ulp_status) {
1223         /* Check for retry */
1224         if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
1225             if (ulp_status != IOSTAT_LOCAL_REJECT ||
1226                 (ulp_word4 & IOERR_PARAM_MASK) !=
1227                 IOERR_NO_RESOURCES)
1228                 vport->fc_ns_retry++;
1229 
1230             /* CT command is being retried */
1231             rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT,
1232                      vport->fc_ns_retry, GID_PT_N_PORT);
1233             if (rc == 0)
1234                 goto out;
1235             else { /* Unable to send NS cmd */
1236                 if (vport->gidft_inp)
1237                     vport->gidft_inp--;
1238             }
1239         }
1240         if (vport->fc_flag & FC_RSCN_MODE)
1241             lpfc_els_flush_rscn(vport);
1242         lpfc_vport_set_state(vport, FC_VPORT_FAILED);
1243         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1244                  "4103 GID_FT Query error: 0x%x 0x%x\n",
1245                  ulp_status, vport->fc_ns_retry);
1246     } else {
1247         /* Good status, continue checking */
1248         CTreq = (struct lpfc_sli_ct_request *)inp->virt;
1249         CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1250         if (CTrsp->CommandResponse.bits.CmdRsp ==
1251             cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
1252             lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1253                      "4105 NameServer Rsp Data: x%x x%x "
1254                      "x%x x%x sz x%x\n",
1255                      vport->fc_flag,
1256                      CTreq->un.gid.Fc4Type,
1257                      vport->num_disc_nodes,
1258                      vport->gidft_inp,
1259                      get_job_data_placed(phba, rspiocb));
1260 
1261             lpfc_ns_rsp(vport,
1262                     outp,
1263                     CTreq->un.gid.Fc4Type,
1264                     get_job_data_placed(phba, rspiocb));
1265         } else if (CTrsp->CommandResponse.bits.CmdRsp ==
1266                be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1267             /* NameServer Rsp Error */
1268             if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
1269                 && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
1270                 lpfc_printf_vlog(
1271                     vport, KERN_INFO, LOG_DISCOVERY,
1272                     "4106 No NameServer Entries "
1273                     "Data: x%x x%x x%x x%x\n",
1274                     CTrsp->CommandResponse.bits.CmdRsp,
1275                     (uint32_t)CTrsp->ReasonCode,
1276                     (uint32_t)CTrsp->Explanation,
1277                     vport->fc_flag);
1278 
1279                 lpfc_debugfs_disc_trc(
1280                 vport, LPFC_DISC_TRC_CT,
1281                 "GID_PT no entry  cmd:x%x rsn:x%x exp:x%x",
1282                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1283                 (uint32_t)CTrsp->ReasonCode,
1284                 (uint32_t)CTrsp->Explanation);
1285             } else {
1286                 lpfc_printf_vlog(
1287                     vport, KERN_INFO, LOG_DISCOVERY,
1288                     "4107 NameServer Rsp Error "
1289                     "Data: x%x x%x x%x x%x\n",
1290                     CTrsp->CommandResponse.bits.CmdRsp,
1291                     (uint32_t)CTrsp->ReasonCode,
1292                     (uint32_t)CTrsp->Explanation,
1293                     vport->fc_flag);
1294 
1295                 lpfc_debugfs_disc_trc(
1296                 vport, LPFC_DISC_TRC_CT,
1297                 "GID_PT rsp err1  cmd:x%x rsn:x%x exp:x%x",
1298                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1299                 (uint32_t)CTrsp->ReasonCode,
1300                 (uint32_t)CTrsp->Explanation);
1301             }
1302         } else {
1303             /* NameServer Rsp Error */
1304             lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1305                      "4109 NameServer Rsp Error "
1306                      "Data: x%x x%x x%x x%x\n",
1307                      CTrsp->CommandResponse.bits.CmdRsp,
1308                      (uint32_t)CTrsp->ReasonCode,
1309                      (uint32_t)CTrsp->Explanation,
1310                      vport->fc_flag);
1311 
1312             lpfc_debugfs_disc_trc(
1313                 vport, LPFC_DISC_TRC_CT,
1314                 "GID_PT rsp err2  cmd:x%x rsn:x%x exp:x%x",
1315                 (uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
1316                 (uint32_t)CTrsp->ReasonCode,
1317                 (uint32_t)CTrsp->Explanation);
1318         }
1319         if (vport->gidft_inp)
1320             vport->gidft_inp--;
1321     }
1322 
1323     lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1324              "6450 GID_PT cmpl inp %d disc %d\n",
1325              vport->gidft_inp, vport->num_disc_nodes);
1326 
1327     /* Link up / RSCN discovery */
1328     if ((vport->num_disc_nodes == 0) &&
1329         (vport->gidft_inp == 0)) {
1330         /*
1331          * The driver has cycled through all Nports in the RSCN payload.
1332          * Complete the handling by cleaning up and marking the
1333          * current driver state.
1334          */
1335         if (vport->port_state >= LPFC_DISC_AUTH) {
1336             if (vport->fc_flag & FC_RSCN_MODE) {
1337                 lpfc_els_flush_rscn(vport);
1338                 spin_lock_irq(shost->host_lock);
1339                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1340                 spin_unlock_irq(shost->host_lock);
1341             } else {
1342                 lpfc_els_flush_rscn(vport);
1343             }
1344         }
1345 
1346         lpfc_disc_start(vport);
1347     }
1348 out:
1349     lpfc_ct_free_iocb(phba, cmdiocb);
1350     lpfc_nlp_put(ndlp);
1351 }
1352 
1353 static void
1354 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1355             struct lpfc_iocbq *rspiocb)
1356 {
1357     struct lpfc_vport *vport = cmdiocb->vport;
1358     struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1359     struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1360     struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1361     struct lpfc_sli_ct_request *CTrsp;
1362     int did, rc, retry;
1363     uint8_t fbits;
1364     struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL;
1365     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1366     u32 ulp_word4 = get_job_word4(phba, rspiocb);
1367 
1368     did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
1369     did = be32_to_cpu(did);
1370 
1371     lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1372         "GFF_ID cmpl:     status:x%x/x%x did:x%x",
1373         ulp_status, ulp_word4, did);
1374 
1375     /* Ignore response if link flipped after this request was made */
1376     if (cmdiocb->event_tag != phba->fc_eventTag) {
1377         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1378                  "9045 Event tag mismatch. Ignoring NS rsp\n");
1379         goto iocb_free;
1380     }
1381 
1382     if (ulp_status == IOSTAT_SUCCESS) {
1383         /* Good status, continue checking */
1384         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1385         fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
1386 
1387         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1388                  "6431 Process GFF_ID rsp for %08x "
1389                  "fbits %02x %s %s\n",
1390                  did, fbits,
1391                  (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ",
1392                  (fbits & FC4_FEATURE_TARGET) ? "Target" : " ");
1393 
1394         if (CTrsp->CommandResponse.bits.CmdRsp ==
1395             be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
1396             if ((fbits & FC4_FEATURE_INIT) &&
1397                 !(fbits & FC4_FEATURE_TARGET)) {
1398                 lpfc_printf_vlog(vport, KERN_INFO,
1399                          LOG_DISCOVERY,
1400                          "0270 Skip x%x GFF "
1401                          "NameServer Rsp Data: (init) "
1402                          "x%x x%x\n", did, fbits,
1403                          vport->fc_rscn_id_cnt);
1404                 goto out;
1405             }
1406         }
1407     }
1408     else {
1409         /* Check for retry */
1410         if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
1411             retry = 1;
1412             if (ulp_status == IOSTAT_LOCAL_REJECT) {
1413                 switch ((ulp_word4 &
1414                     IOERR_PARAM_MASK)) {
1415 
1416                 case IOERR_NO_RESOURCES:
1417                     /* We don't increment the retry
1418                      * count for this case.
1419                      */
1420                     break;
1421                 case IOERR_LINK_DOWN:
1422                 case IOERR_SLI_ABORTED:
1423                 case IOERR_SLI_DOWN:
1424                     retry = 0;
1425                     break;
1426                 default:
1427                     cmdiocb->retry++;
1428                 }
1429             }
1430             else
1431                 cmdiocb->retry++;
1432 
1433             if (retry) {
1434                 /* CT command is being retried */
1435                 rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
1436                      cmdiocb->retry, did);
1437                 if (rc == 0) {
1438                     /* success */
1439                     free_ndlp = cmdiocb->ndlp;
1440                     lpfc_ct_free_iocb(phba, cmdiocb);
1441                     lpfc_nlp_put(free_ndlp);
1442                     return;
1443                 }
1444             }
1445         }
1446         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1447                  "0267 NameServer GFF Rsp "
1448                  "x%x Error (%d %d) Data: x%x x%x\n",
1449                  did, ulp_status, ulp_word4,
1450                  vport->fc_flag, vport->fc_rscn_id_cnt);
1451     }
1452 
1453     /* This is a target port, unregistered port, or the GFF_ID failed */
1454     ndlp = lpfc_setup_disc_node(vport, did);
1455     if (ndlp) {
1456         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1457                  "0242 Process x%x GFF "
1458                  "NameServer Rsp Data: x%x x%x x%x\n",
1459                  did, ndlp->nlp_flag, vport->fc_flag,
1460                  vport->fc_rscn_id_cnt);
1461     } else {
1462         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1463                  "0243 Skip x%x GFF "
1464                  "NameServer Rsp Data: x%x x%x\n", did,
1465                  vport->fc_flag, vport->fc_rscn_id_cnt);
1466     }
1467 out:
1468     /* Link up / RSCN discovery */
1469     if (vport->num_disc_nodes)
1470         vport->num_disc_nodes--;
1471 
1472     lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1473              "6451 GFF_ID cmpl inp %d disc %d\n",
1474              vport->gidft_inp, vport->num_disc_nodes);
1475 
1476     if (vport->num_disc_nodes == 0) {
1477         /*
1478          * The driver has cycled through all Nports in the RSCN payload.
1479          * Complete the handling by cleaning up and marking the
1480          * current driver state.
1481          */
1482         if (vport->port_state >= LPFC_DISC_AUTH) {
1483             if (vport->fc_flag & FC_RSCN_MODE) {
1484                 lpfc_els_flush_rscn(vport);
1485                 spin_lock_irq(shost->host_lock);
1486                 vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
1487                 spin_unlock_irq(shost->host_lock);
1488             }
1489             else
1490                 lpfc_els_flush_rscn(vport);
1491         }
1492         lpfc_disc_start(vport);
1493     }
1494 
1495 iocb_free:
1496     free_ndlp = cmdiocb->ndlp;
1497     lpfc_ct_free_iocb(phba, cmdiocb);
1498     lpfc_nlp_put(free_ndlp);
1499     return;
1500 }
1501 
1502 static void
1503 lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1504             struct lpfc_iocbq *rspiocb)
1505 {
1506     struct lpfc_vport *vport = cmdiocb->vport;
1507     struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
1508     struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
1509     struct lpfc_sli_ct_request *CTrsp;
1510     int did;
1511     struct lpfc_nodelist *ndlp = NULL;
1512     struct lpfc_nodelist *ns_ndlp = NULL;
1513     uint32_t fc4_data_0, fc4_data_1;
1514     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1515     u32 ulp_word4 = get_job_word4(phba, rspiocb);
1516 
1517     did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
1518     did = be32_to_cpu(did);
1519 
1520     lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1521                   "GFT_ID cmpl: status:x%x/x%x did:x%x",
1522                   ulp_status, ulp_word4, did);
1523 
1524     /* Ignore response if link flipped after this request was made */
1525     if ((uint32_t) cmdiocb->event_tag != phba->fc_eventTag) {
1526         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1527                  "9046 Event tag mismatch. Ignoring NS rsp\n");
1528         goto out;
1529     }
1530 
1531     /* Preserve the nameserver node to release the reference. */
1532     ns_ndlp = cmdiocb->ndlp;
1533 
1534     if (ulp_status == IOSTAT_SUCCESS) {
1535         /* Good status, continue checking */
1536         CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1537         fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
1538         fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
1539 
1540         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1541                  "6432 Process GFT_ID rsp for %08x "
1542                  "Data %08x %08x %s %s\n",
1543                  did, fc4_data_0, fc4_data_1,
1544                  (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ?
1545                   "FCP" : " ",
1546                  (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ?
1547                   "NVME" : " ");
1548 
1549         /* Lookup the NPort_ID queried in the GFT_ID and find the
1550          * driver's local node.  It's an error if the driver
1551          * doesn't have one.
1552          */
1553         ndlp = lpfc_findnode_did(vport, did);
1554         if (ndlp) {
1555             /* The bitmask value for FCP and NVME FCP types is
1556              * the same because they are 32 bits distant from
1557              * each other in word0 and word0.
1558              */
1559             if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
1560                 ndlp->nlp_fc4_type |= NLP_FC4_FCP;
1561             if (fc4_data_1 &  LPFC_FC4_TYPE_BITMASK)
1562                 ndlp->nlp_fc4_type |= NLP_FC4_NVME;
1563             lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1564                      "3064 Setting ndlp x%px, DID x%06x "
1565                      "with FC4 x%08x, Data: x%08x x%08x "
1566                      "%d\n",
1567                      ndlp, did, ndlp->nlp_fc4_type,
1568                      FC_TYPE_FCP, FC_TYPE_NVME,
1569                      ndlp->nlp_state);
1570 
1571             if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE &&
1572                 ndlp->nlp_fc4_type) {
1573                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1574 
1575                 lpfc_nlp_set_state(vport, ndlp,
1576                            NLP_STE_PRLI_ISSUE);
1577                 lpfc_issue_els_prli(vport, ndlp, 0);
1578             } else if (!ndlp->nlp_fc4_type) {
1579                 /* If fc4 type is still unknown, then LOGO */
1580                 lpfc_printf_vlog(vport, KERN_INFO,
1581                          LOG_DISCOVERY,
1582                          "6443 Sending LOGO ndlp x%px,"
1583                          "DID x%06x with fc4_type: "
1584                          "x%08x, state: %d\n",
1585                          ndlp, did, ndlp->nlp_fc4_type,
1586                          ndlp->nlp_state);
1587                 lpfc_issue_els_logo(vport, ndlp, 0);
1588                 ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
1589                 lpfc_nlp_set_state(vport, ndlp,
1590                            NLP_STE_NPR_NODE);
1591             }
1592         }
1593     } else
1594         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1595                  "3065 GFT_ID failed x%08x\n", ulp_status);
1596 
1597 out:
1598     lpfc_ct_free_iocb(phba, cmdiocb);
1599     lpfc_nlp_put(ns_ndlp);
1600 }
1601 
1602 static void
1603 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1604          struct lpfc_iocbq *rspiocb)
1605 {
1606     struct lpfc_vport *vport = cmdiocb->vport;
1607     struct lpfc_dmabuf *inp;
1608     struct lpfc_dmabuf *outp;
1609     struct lpfc_sli_ct_request *CTrsp;
1610     struct lpfc_nodelist *ndlp;
1611     int cmdcode, rc;
1612     uint8_t retry;
1613     uint32_t latt;
1614     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1615     u32 ulp_word4 = get_job_word4(phba, rspiocb);
1616 
1617     /* First save ndlp, before we overwrite it */
1618     ndlp = cmdiocb->ndlp;
1619 
1620     /* we pass cmdiocb to state machine which needs rspiocb as well */
1621     cmdiocb->rsp_iocb = rspiocb;
1622 
1623     inp = cmdiocb->cmd_dmabuf;
1624     outp = cmdiocb->rsp_dmabuf;
1625 
1626     cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
1627                     CommandResponse.bits.CmdRsp);
1628     CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1629 
1630     latt = lpfc_els_chk_latt(vport);
1631 
1632     /* RFT request completes status <ulp_status> CmdRsp <CmdRsp> */
1633     lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1634              "0209 CT Request completes, latt %d, "
1635              "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n",
1636              latt, ulp_status,
1637              CTrsp->CommandResponse.bits.CmdRsp,
1638              get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag);
1639 
1640     lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1641         "CT cmd cmpl:     status:x%x/x%x cmd:x%x",
1642         ulp_status, ulp_word4, cmdcode);
1643 
1644     if (ulp_status) {
1645         lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
1646                  "0268 NS cmd x%x Error (x%x x%x)\n",
1647                  cmdcode, ulp_status, ulp_word4);
1648 
1649         if (ulp_status == IOSTAT_LOCAL_REJECT &&
1650             (((ulp_word4 & IOERR_PARAM_MASK) ==
1651               IOERR_SLI_DOWN) ||
1652              ((ulp_word4 & IOERR_PARAM_MASK) ==
1653               IOERR_SLI_ABORTED)))
1654             goto out;
1655 
1656         retry = cmdiocb->retry;
1657         if (retry >= LPFC_MAX_NS_RETRY)
1658             goto out;
1659 
1660         retry++;
1661         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1662                  "0250 Retrying NS cmd %x\n", cmdcode);
1663         rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
1664         if (rc == 0)
1665             goto out;
1666     }
1667 
1668 out:
1669     lpfc_ct_free_iocb(phba, cmdiocb);
1670     lpfc_nlp_put(ndlp);
1671     return;
1672 }
1673 
1674 static void
1675 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1676             struct lpfc_iocbq *rspiocb)
1677 {
1678     struct lpfc_vport *vport = cmdiocb->vport;
1679     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1680 
1681     if (ulp_status == IOSTAT_SUCCESS) {
1682         struct lpfc_dmabuf *outp;
1683         struct lpfc_sli_ct_request *CTrsp;
1684 
1685         outp = cmdiocb->rsp_dmabuf;
1686         CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1687         if (CTrsp->CommandResponse.bits.CmdRsp ==
1688             be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1689             vport->ct_flags |= FC_CT_RFT_ID;
1690     }
1691     lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1692     return;
1693 }
1694 
1695 static void
1696 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1697             struct lpfc_iocbq *rspiocb)
1698 {
1699     struct lpfc_vport *vport = cmdiocb->vport;
1700     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1701 
1702     if (ulp_status == IOSTAT_SUCCESS) {
1703         struct lpfc_dmabuf *outp;
1704         struct lpfc_sli_ct_request *CTrsp;
1705 
1706         outp = cmdiocb->rsp_dmabuf;
1707         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1708         if (CTrsp->CommandResponse.bits.CmdRsp ==
1709             be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1710             vport->ct_flags |= FC_CT_RNN_ID;
1711     }
1712     lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1713     return;
1714 }
1715 
1716 static void
1717 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1718              struct lpfc_iocbq *rspiocb)
1719 {
1720     struct lpfc_vport *vport = cmdiocb->vport;
1721     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1722 
1723     if (ulp_status == IOSTAT_SUCCESS) {
1724         struct lpfc_dmabuf *outp;
1725         struct lpfc_sli_ct_request *CTrsp;
1726 
1727         outp = cmdiocb->rsp_dmabuf;
1728         CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1729         if (CTrsp->CommandResponse.bits.CmdRsp ==
1730             be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1731             vport->ct_flags |= FC_CT_RSPN_ID;
1732     }
1733     lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1734     return;
1735 }
1736 
1737 static void
1738 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1739              struct lpfc_iocbq *rspiocb)
1740 {
1741     struct lpfc_vport *vport = cmdiocb->vport;
1742     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1743 
1744     if (ulp_status == IOSTAT_SUCCESS) {
1745         struct lpfc_dmabuf *outp;
1746         struct lpfc_sli_ct_request *CTrsp;
1747 
1748         outp = cmdiocb->rsp_dmabuf;
1749         CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1750         if (CTrsp->CommandResponse.bits.CmdRsp ==
1751             be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1752             vport->ct_flags |= FC_CT_RSNN_NN;
1753     }
1754     lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1755     return;
1756 }
1757 
1758 static void
1759 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1760  struct lpfc_iocbq *rspiocb)
1761 {
1762     struct lpfc_vport *vport = cmdiocb->vport;
1763 
1764     /* even if it fails we will act as though it succeeded. */
1765     vport->ct_flags = 0;
1766     lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1767     return;
1768 }
1769 
1770 static void
1771 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1772             struct lpfc_iocbq *rspiocb)
1773 {
1774     struct lpfc_vport *vport = cmdiocb->vport;
1775     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
1776 
1777     if (ulp_status == IOSTAT_SUCCESS) {
1778         struct lpfc_dmabuf *outp;
1779         struct lpfc_sli_ct_request *CTrsp;
1780 
1781         outp = cmdiocb->rsp_dmabuf;
1782         CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
1783         if (CTrsp->CommandResponse.bits.CmdRsp ==
1784             be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1785             vport->ct_flags |= FC_CT_RFF_ID;
1786     }
1787     lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1788     return;
1789 }
1790 
1791 /*
1792  * Although the symbolic port name is thought to be an integer
1793  * as of January 18, 2016, leave it as a string until more of
1794  * the record state becomes defined.
1795  */
1796 int
1797 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1798     size_t size)
1799 {
1800     int n;
1801 
1802     /*
1803      * Use the lpfc board number as the Symbolic Port
1804      * Name object.  NPIV is not in play so this integer
1805      * value is sufficient and unique per FC-ID.
1806      */
1807     n = scnprintf(symbol, size, "%d", vport->phba->brd_no);
1808     return n;
1809 }
1810 
1811 
1812 int
1813 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1814     size_t size)
1815 {
1816     char fwrev[FW_REV_STR_SIZE] = {0};
1817     char tmp[MAXHOSTNAMELEN] = {0};
1818 
1819     memset(symbol, 0, size);
1820 
1821     scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName);
1822     if (strlcat(symbol, tmp, size) >= size)
1823         goto buffer_done;
1824 
1825     lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1826     scnprintf(tmp, sizeof(tmp), " FV%s", fwrev);
1827     if (strlcat(symbol, tmp, size) >= size)
1828         goto buffer_done;
1829 
1830     scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version);
1831     if (strlcat(symbol, tmp, size) >= size)
1832         goto buffer_done;
1833 
1834     scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name);
1835     if (strlcat(symbol, tmp, size) >= size)
1836         goto buffer_done;
1837 
1838     /* Note :- OS name is "Linux" */
1839     scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname);
1840     strlcat(symbol, tmp, size);
1841 
1842 buffer_done:
1843     return strnlen(symbol, size);
1844 
1845 }
1846 
1847 static uint32_t
1848 lpfc_find_map_node(struct lpfc_vport *vport)
1849 {
1850     struct lpfc_nodelist *ndlp, *next_ndlp;
1851     struct Scsi_Host  *shost;
1852     uint32_t cnt = 0;
1853 
1854     shost = lpfc_shost_from_vport(vport);
1855     spin_lock_irq(shost->host_lock);
1856     list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1857         if (ndlp->nlp_type & NLP_FABRIC)
1858             continue;
1859         if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1860             (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1861             cnt++;
1862     }
1863     spin_unlock_irq(shost->host_lock);
1864     return cnt;
1865 }
1866 
1867 /*
1868  * This routine will return the FC4 Type associated with the CT
1869  * GID_FT command.
1870  */
1871 int
1872 lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
1873 {
1874     struct lpfc_sli_ct_request *CtReq;
1875     struct lpfc_dmabuf *mp;
1876     uint32_t type;
1877 
1878     mp = cmdiocb->cmd_dmabuf;
1879     if (mp == NULL)
1880         return 0;
1881     CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1882     type = (uint32_t)CtReq->un.gid.Fc4Type;
1883     if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
1884         return 0;
1885     return type;
1886 }
1887 
1888 /*
1889  * lpfc_ns_cmd
1890  * Description:
1891  *    Issue Cmd to NameServer
1892  *       SLI_CTNS_GID_FT
1893  *       LI_CTNS_RFT_ID
1894  */
1895 int
1896 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1897         uint8_t retry, uint32_t context)
1898 {
1899     struct lpfc_nodelist * ndlp;
1900     struct lpfc_hba *phba = vport->phba;
1901     struct lpfc_dmabuf *mp, *bmp;
1902     struct lpfc_sli_ct_request *CtReq;
1903     struct ulp_bde64 *bpl;
1904     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1905               struct lpfc_iocbq *) = NULL;
1906     uint32_t *ptr;
1907     uint32_t rsp_size = 1024;
1908     size_t   size;
1909     int rc = 0;
1910 
1911     ndlp = lpfc_findnode_did(vport, NameServer_DID);
1912     if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1913         rc=1;
1914         goto ns_cmd_exit;
1915     }
1916 
1917     /* fill in BDEs for command */
1918     /* Allocate buffer for command payload */
1919     mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1920     if (!mp) {
1921         rc=2;
1922         goto ns_cmd_exit;
1923     }
1924 
1925     INIT_LIST_HEAD(&mp->list);
1926     mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1927     if (!mp->virt) {
1928         rc=3;
1929         goto ns_cmd_free_mp;
1930     }
1931 
1932     /* Allocate buffer for Buffer ptr list */
1933     bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1934     if (!bmp) {
1935         rc=4;
1936         goto ns_cmd_free_mpvirt;
1937     }
1938 
1939     INIT_LIST_HEAD(&bmp->list);
1940     bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1941     if (!bmp->virt) {
1942         rc=5;
1943         goto ns_cmd_free_bmp;
1944     }
1945 
1946     /* NameServer Req */
1947     lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1948              "0236 NameServer Req Data: x%x x%x x%x x%x\n",
1949              cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
1950              context);
1951 
1952     bpl = (struct ulp_bde64 *) bmp->virt;
1953     memset(bpl, 0, sizeof(struct ulp_bde64));
1954     bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1955     bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1956     bpl->tus.f.bdeFlags = 0;
1957     if (cmdcode == SLI_CTNS_GID_FT)
1958         bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1959     else if (cmdcode == SLI_CTNS_GID_PT)
1960         bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1961     else if (cmdcode == SLI_CTNS_GFF_ID)
1962         bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1963     else if (cmdcode == SLI_CTNS_GFT_ID)
1964         bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
1965     else if (cmdcode == SLI_CTNS_RFT_ID)
1966         bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1967     else if (cmdcode == SLI_CTNS_RNN_ID)
1968         bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1969     else if (cmdcode == SLI_CTNS_RSPN_ID)
1970         bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1971     else if (cmdcode == SLI_CTNS_RSNN_NN)
1972         bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1973     else if (cmdcode == SLI_CTNS_DA_ID)
1974         bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1975     else if (cmdcode == SLI_CTNS_RFF_ID)
1976         bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1977     else
1978         bpl->tus.f.bdeSize = 0;
1979     bpl->tus.w = le32_to_cpu(bpl->tus.w);
1980 
1981     CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1982     memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1983     CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1984     CtReq->RevisionId.bits.InId = 0;
1985     CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1986     CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1987     CtReq->CommandResponse.bits.Size = 0;
1988     switch (cmdcode) {
1989     case SLI_CTNS_GID_FT:
1990         CtReq->CommandResponse.bits.CmdRsp =
1991             cpu_to_be16(SLI_CTNS_GID_FT);
1992         CtReq->un.gid.Fc4Type = context;
1993 
1994         if (vport->port_state < LPFC_NS_QRY)
1995             vport->port_state = LPFC_NS_QRY;
1996         lpfc_set_disctmo(vport);
1997         cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1998         rsp_size = FC_MAX_NS_RSP;
1999         break;
2000 
2001     case SLI_CTNS_GID_PT:
2002         CtReq->CommandResponse.bits.CmdRsp =
2003             cpu_to_be16(SLI_CTNS_GID_PT);
2004         CtReq->un.gid.PortType = context;
2005 
2006         if (vport->port_state < LPFC_NS_QRY)
2007             vport->port_state = LPFC_NS_QRY;
2008         lpfc_set_disctmo(vport);
2009         cmpl = lpfc_cmpl_ct_cmd_gid_pt;
2010         rsp_size = FC_MAX_NS_RSP;
2011         break;
2012 
2013     case SLI_CTNS_GFF_ID:
2014         CtReq->CommandResponse.bits.CmdRsp =
2015             cpu_to_be16(SLI_CTNS_GFF_ID);
2016         CtReq->un.gff.PortId = cpu_to_be32(context);
2017         cmpl = lpfc_cmpl_ct_cmd_gff_id;
2018         break;
2019 
2020     case SLI_CTNS_GFT_ID:
2021         CtReq->CommandResponse.bits.CmdRsp =
2022             cpu_to_be16(SLI_CTNS_GFT_ID);
2023         CtReq->un.gft.PortId = cpu_to_be32(context);
2024         cmpl = lpfc_cmpl_ct_cmd_gft_id;
2025         break;
2026 
2027     case SLI_CTNS_RFT_ID:
2028         vport->ct_flags &= ~FC_CT_RFT_ID;
2029         CtReq->CommandResponse.bits.CmdRsp =
2030             cpu_to_be16(SLI_CTNS_RFT_ID);
2031         CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID);
2032 
2033         /* Register Application Services type if vmid enabled. */
2034         if (phba->cfg_vmid_app_header)
2035             CtReq->un.rft.app_serv_reg =
2036                 cpu_to_be32(RFT_APP_SERV_REG);
2037 
2038         /* Register FC4 FCP type if enabled.  */
2039         if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2040             vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)
2041             CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG);
2042 
2043         /* Register NVME type if enabled. */
2044         if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
2045             vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
2046             CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG);
2047 
2048         ptr = (uint32_t *)CtReq;
2049         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2050                  "6433 Issue RFT (%s %s %s): %08x %08x %08x "
2051                  "%08x %08x %08x %08x %08x\n",
2052                  CtReq->un.rft.fcp_reg ? "FCP" : " ",
2053                  CtReq->un.rft.nvme_reg ? "NVME" : " ",
2054                  CtReq->un.rft.app_serv_reg ? "APPS" : " ",
2055                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2056                  *(ptr + 4), *(ptr + 5),
2057                  *(ptr + 6), *(ptr + 7));
2058         cmpl = lpfc_cmpl_ct_cmd_rft_id;
2059         break;
2060 
2061     case SLI_CTNS_RNN_ID:
2062         vport->ct_flags &= ~FC_CT_RNN_ID;
2063         CtReq->CommandResponse.bits.CmdRsp =
2064             cpu_to_be16(SLI_CTNS_RNN_ID);
2065         CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
2066         memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
2067                sizeof(struct lpfc_name));
2068         cmpl = lpfc_cmpl_ct_cmd_rnn_id;
2069         break;
2070 
2071     case SLI_CTNS_RSPN_ID:
2072         vport->ct_flags &= ~FC_CT_RSPN_ID;
2073         CtReq->CommandResponse.bits.CmdRsp =
2074             cpu_to_be16(SLI_CTNS_RSPN_ID);
2075         CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
2076         size = sizeof(CtReq->un.rspn.symbname);
2077         CtReq->un.rspn.len =
2078             lpfc_vport_symbolic_port_name(vport,
2079             CtReq->un.rspn.symbname, size);
2080         cmpl = lpfc_cmpl_ct_cmd_rspn_id;
2081         break;
2082     case SLI_CTNS_RSNN_NN:
2083         vport->ct_flags &= ~FC_CT_RSNN_NN;
2084         CtReq->CommandResponse.bits.CmdRsp =
2085             cpu_to_be16(SLI_CTNS_RSNN_NN);
2086         memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
2087                sizeof(struct lpfc_name));
2088         size = sizeof(CtReq->un.rsnn.symbname);
2089         CtReq->un.rsnn.len =
2090             lpfc_vport_symbolic_node_name(vport,
2091             CtReq->un.rsnn.symbname, size);
2092         cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
2093         break;
2094     case SLI_CTNS_DA_ID:
2095         /* Implement DA_ID Nameserver request */
2096         CtReq->CommandResponse.bits.CmdRsp =
2097             cpu_to_be16(SLI_CTNS_DA_ID);
2098         CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
2099         cmpl = lpfc_cmpl_ct_cmd_da_id;
2100         break;
2101     case SLI_CTNS_RFF_ID:
2102         vport->ct_flags &= ~FC_CT_RFF_ID;
2103         CtReq->CommandResponse.bits.CmdRsp =
2104             cpu_to_be16(SLI_CTNS_RFF_ID);
2105         CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
2106         CtReq->un.rff.fbits = FC4_FEATURE_INIT;
2107 
2108         /* The driver always supports FC_TYPE_FCP.  However, the
2109          * caller can specify NVME (type x28) as well.  But only
2110          * these that FC4 type is supported.
2111          */
2112         if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2113              (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
2114             (context == FC_TYPE_NVME)) {
2115             if ((vport == phba->pport) && phba->nvmet_support) {
2116                 CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |
2117                     FC4_FEATURE_NVME_DISC);
2118                 lpfc_nvmet_update_targetport(phba);
2119             } else {
2120                 lpfc_nvme_update_localport(vport);
2121             }
2122             CtReq->un.rff.type_code = context;
2123 
2124         } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
2125                 (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
2126                (context == FC_TYPE_FCP))
2127             CtReq->un.rff.type_code = context;
2128 
2129         else
2130             goto ns_cmd_free_bmpvirt;
2131 
2132         ptr = (uint32_t *)CtReq;
2133         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2134                  "6434 Issue RFF (%s): %08x %08x %08x %08x "
2135                  "%08x %08x %08x %08x\n",
2136                  (context == FC_TYPE_NVME) ? "NVME" : "FCP",
2137                  *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3),
2138                  *(ptr + 4), *(ptr + 5),
2139                  *(ptr + 6), *(ptr + 7));
2140         cmpl = lpfc_cmpl_ct_cmd_rff_id;
2141         break;
2142     }
2143     /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2144      * to hold ndlp reference for the corresponding callback function.
2145      */
2146     if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
2147         /* On success, The cmpl function will free the buffers */
2148         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2149             "Issue CT cmd:    cmd:x%x did:x%x",
2150             cmdcode, ndlp->nlp_DID, 0);
2151         return 0;
2152     }
2153     rc=6;
2154 
2155 ns_cmd_free_bmpvirt:
2156     lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2157 ns_cmd_free_bmp:
2158     kfree(bmp);
2159 ns_cmd_free_mpvirt:
2160     lpfc_mbuf_free(phba, mp->virt, mp->phys);
2161 ns_cmd_free_mp:
2162     kfree(mp);
2163 ns_cmd_exit:
2164     lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
2165              "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
2166              cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
2167     return 1;
2168 }
2169 
2170 /**
2171  * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands
2172  * @phba: Pointer to HBA context object.
2173  * @mask: Initial port attributes mask
2174  *
2175  * This function checks to see if any vports have deferred their FDMI RPRT.
2176  * A vports RPRT may be deferred if it is issued before the primary ports
2177  * RHBA completes.
2178  */
2179 static void
2180 lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask)
2181 {
2182     struct lpfc_vport **vports;
2183     struct lpfc_vport *vport;
2184     struct lpfc_nodelist *ndlp;
2185     int i;
2186 
2187     phba->hba_flag |= HBA_RHBA_CMPL;
2188     vports = lpfc_create_vport_work_array(phba);
2189     if (vports) {
2190         for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2191             vport = vports[i];
2192             ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2193             if (!ndlp)
2194                 continue;
2195             if (vport->ct_flags & FC_CT_RPRT_DEFER) {
2196                 vport->ct_flags &= ~FC_CT_RPRT_DEFER;
2197                 vport->fdmi_port_mask = mask;
2198                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2199             }
2200         }
2201     }
2202     lpfc_destroy_vport_work_array(phba, vports);
2203 }
2204 
2205 /**
2206  * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion
2207  * @phba: Pointer to HBA context object.
2208  * @cmdiocb: Pointer to the command IOCBQ.
2209  * @rspiocb: Pointer to the response IOCBQ.
2210  *
2211  * This function to handle the completion of a driver initiated FDMI
2212  * CT command issued during discovery.
2213  */
2214 static void
2215 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2216                struct lpfc_iocbq *rspiocb)
2217 {
2218     struct lpfc_vport *vport = cmdiocb->vport;
2219     struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
2220     struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
2221     struct lpfc_sli_ct_request *CTcmd = inp->virt;
2222     struct lpfc_sli_ct_request *CTrsp = outp->virt;
2223     uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
2224     uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
2225     struct lpfc_nodelist *ndlp, *free_ndlp = NULL;
2226     uint32_t latt, cmd, err;
2227     u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
2228     u32 ulp_word4 = get_job_word4(phba, rspiocb);
2229 
2230     latt = lpfc_els_chk_latt(vport);
2231     lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
2232         "FDMI cmpl:       status:x%x/x%x latt:%d",
2233         ulp_status, ulp_word4, latt);
2234 
2235     if (latt || ulp_status) {
2236 
2237         /* Look for a retryable error */
2238         if (ulp_status == IOSTAT_LOCAL_REJECT) {
2239             switch ((ulp_word4 & IOERR_PARAM_MASK)) {
2240             case IOERR_SLI_ABORTED:
2241             case IOERR_SLI_DOWN:
2242                 /* Driver aborted this IO.  No retry as error
2243                  * is likely Offline->Online or some adapter
2244                  * error.  Recovery will try again.
2245                  */
2246                 break;
2247             case IOERR_ABORT_IN_PROGRESS:
2248             case IOERR_SEQUENCE_TIMEOUT:
2249             case IOERR_ILLEGAL_FRAME:
2250             case IOERR_NO_RESOURCES:
2251             case IOERR_ILLEGAL_COMMAND:
2252                 cmdiocb->retry++;
2253                 if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY)
2254                     break;
2255 
2256                 /* Retry the same FDMI command */
2257                 err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING,
2258                               cmdiocb, 0);
2259                 if (err == IOCB_ERROR)
2260                     break;
2261                 return;
2262             default:
2263                 break;
2264             }
2265         }
2266 
2267         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2268                  "0229 FDMI cmd %04x failed, latt = %d "
2269                  "ulp_status: x%x, rid x%x\n",
2270                  be16_to_cpu(fdmi_cmd), latt, ulp_status,
2271                  ulp_word4);
2272     }
2273 
2274     free_ndlp = cmdiocb->ndlp;
2275     lpfc_ct_free_iocb(phba, cmdiocb);
2276     lpfc_nlp_put(free_ndlp);
2277 
2278     ndlp = lpfc_findnode_did(vport, FDMI_DID);
2279     if (!ndlp)
2280         return;
2281 
2282     /* Check for a CT LS_RJT response */
2283     cmd =  be16_to_cpu(fdmi_cmd);
2284     if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
2285         /* FDMI rsp failed */
2286         lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS,
2287                  "0220 FDMI cmd failed FS_RJT Data: x%x", cmd);
2288 
2289         /* Should we fallback to FDMI-2 / FDMI-1 ? */
2290         switch (cmd) {
2291         case SLI_MGMT_RHBA:
2292             if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) {
2293                 /* Fallback to FDMI-1 for HBA attributes */
2294                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2295 
2296                 /* If HBA attributes are FDMI1, so should
2297                  * port attributes be for consistency.
2298                  */
2299                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2300                 /* Start over */
2301                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2302             }
2303             return;
2304 
2305         case SLI_MGMT_RPRT:
2306             if (vport->port_type != LPFC_PHYSICAL_PORT) {
2307                 ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2308                 if (!ndlp)
2309                     return;
2310             }
2311             if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2312                 /* Fallback to FDMI-1 */
2313                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2314                 /* Start over */
2315                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2316                 return;
2317             }
2318             if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2319                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2320                 /* Retry the same command */
2321                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2322             }
2323             return;
2324 
2325         case SLI_MGMT_RPA:
2326             /* No retry on Vendor, RPA only done on physical port */
2327             if (phba->link_flag & LS_CT_VEN_RPA) {
2328                 phba->link_flag &= ~LS_CT_VEN_RPA;
2329                 if (phba->cmf_active_mode == LPFC_CFG_OFF)
2330                     return;
2331                 lpfc_printf_log(phba, KERN_WARNING,
2332                         LOG_DISCOVERY | LOG_ELS,
2333                         "6460 VEN FDMI RPA RJT\n");
2334                 return;
2335             }
2336             if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) {
2337                 /* Fallback to FDMI-1 */
2338                 vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR;
2339                 vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR;
2340                 /* Start over */
2341                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2342                 return;
2343             }
2344             if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) {
2345                 vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR;
2346                 /* Retry the same command */
2347                 lpfc_fdmi_cmd(vport, ndlp, cmd, 0);
2348             }
2349             return;
2350         }
2351     }
2352 
2353     /*
2354      * On success, need to cycle thru FDMI registration for discovery
2355      * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2356      * DPRT -> RPRT (vports)
2357      */
2358     switch (cmd) {
2359     case SLI_MGMT_RHBA:
2360         /* Check for any RPRTs deferred till after RHBA completes */
2361         lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask);
2362 
2363         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0);
2364         break;
2365 
2366     case SLI_MGMT_DHBA:
2367         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2368         break;
2369 
2370     case SLI_MGMT_DPRT:
2371         if (vport->port_type == LPFC_PHYSICAL_PORT) {
2372             lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0);
2373         } else {
2374             ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2375             if (!ndlp)
2376                 return;
2377 
2378             /* Only issue a RPRT for the vport if the RHBA
2379              * for the physical port completes successfully.
2380              * We may have to defer the RPRT accordingly.
2381              */
2382             if (phba->hba_flag & HBA_RHBA_CMPL) {
2383                 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0);
2384             } else {
2385                 lpfc_printf_vlog(vport, KERN_INFO,
2386                          LOG_DISCOVERY,
2387                          "6078 RPRT deferred\n");
2388                 vport->ct_flags |= FC_CT_RPRT_DEFER;
2389             }
2390         }
2391         break;
2392     case SLI_MGMT_RPA:
2393         if (vport->port_type == LPFC_PHYSICAL_PORT &&
2394             phba->sli4_hba.pc_sli4_params.mi_ver) {
2395             /* mi is only for the phyical port, no vports */
2396             if (phba->link_flag & LS_CT_VEN_RPA) {
2397                 lpfc_printf_vlog(vport, KERN_INFO,
2398                          LOG_DISCOVERY | LOG_ELS |
2399                          LOG_CGN_MGMT,
2400                          "6449 VEN RPA FDMI Success\n");
2401                 phba->link_flag &= ~LS_CT_VEN_RPA;
2402                 break;
2403             }
2404 
2405             lpfc_printf_log(phba, KERN_INFO,
2406                     LOG_DISCOVERY | LOG_CGN_MGMT,
2407                     "6210 Issue Vendor MI FDMI %x\n",
2408                     phba->sli4_hba.pc_sli4_params.mi_ver);
2409 
2410             /* CGN is only for the physical port, no vports */
2411             if (lpfc_fdmi_cmd(vport, ndlp, cmd,
2412                       LPFC_FDMI_VENDOR_ATTR_mi) == 0)
2413                 phba->link_flag |= LS_CT_VEN_RPA;
2414             lpfc_printf_log(phba, KERN_INFO,
2415                     LOG_DISCOVERY | LOG_ELS,
2416                     "6458 Send MI FDMI:%x Flag x%x\n",
2417                     phba->sli4_hba.pc_sli4_params.mi_ver,
2418                     phba->link_flag);
2419         } else {
2420             lpfc_printf_log(phba, KERN_INFO,
2421                     LOG_DISCOVERY | LOG_ELS,
2422                     "6459 No FDMI VEN MI support - "
2423                     "RPA Success\n");
2424         }
2425         break;
2426     }
2427     return;
2428 }
2429 
2430 
2431 /**
2432  * lpfc_fdmi_change_check - Check for changed FDMI parameters
2433  * @vport: pointer to a host virtual N_Port data structure.
2434  *
2435  * Check how many mapped NPorts we are connected to
2436  * Check if our hostname changed
2437  * Called from hbeat timeout routine to check if any FDMI parameters
2438  * changed. If so, re-register those Attributes.
2439  */
2440 void
2441 lpfc_fdmi_change_check(struct lpfc_vport *vport)
2442 {
2443     struct lpfc_hba *phba = vport->phba;
2444     struct lpfc_nodelist *ndlp;
2445     uint16_t cnt;
2446 
2447     if (!lpfc_is_link_up(phba))
2448         return;
2449 
2450     /* Must be connected to a Fabric */
2451     if (!(vport->fc_flag & FC_FABRIC))
2452         return;
2453 
2454     ndlp = lpfc_findnode_did(vport, FDMI_DID);
2455     if (!ndlp)
2456         return;
2457 
2458     /* Check if system hostname changed */
2459     if (strcmp(phba->os_host_name, init_utsname()->nodename)) {
2460         memset(phba->os_host_name, 0, sizeof(phba->os_host_name));
2461         scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s",
2462               init_utsname()->nodename);
2463         lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
2464 
2465         /* Since this effects multiple HBA and PORT attributes, we need
2466          * de-register and go thru the whole FDMI registration cycle.
2467          * DHBA -> DPRT -> RHBA -> RPA  (physical port)
2468          * DPRT -> RPRT (vports)
2469          */
2470         if (vport->port_type == LPFC_PHYSICAL_PORT) {
2471             /* For extra Vendor RPA */
2472             phba->link_flag &= ~LS_CT_VEN_RPA;
2473             lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0);
2474         } else {
2475             ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2476             if (!ndlp)
2477                 return;
2478             lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0);
2479         }
2480 
2481         /* Since this code path registers all the port attributes
2482          * we can just return without further checking.
2483          */
2484         return;
2485     }
2486 
2487     if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc))
2488         return;
2489 
2490     /* Check if the number of mapped NPorts changed */
2491     cnt = lpfc_find_map_node(vport);
2492     if (cnt == vport->fdmi_num_disc)
2493         return;
2494 
2495     if (vport->port_type == LPFC_PHYSICAL_PORT) {
2496         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA,
2497                   LPFC_FDMI_PORT_ATTR_num_disc);
2498     } else {
2499         ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
2500         if (!ndlp)
2501             return;
2502         lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT,
2503                   LPFC_FDMI_PORT_ATTR_num_disc);
2504     }
2505 }
2506 
2507 /* Routines for all individual HBA attributes */
2508 static int
2509 lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2510 {
2511     struct lpfc_fdmi_attr_entry *ae;
2512     uint32_t size;
2513 
2514     ae = &ad->AttrValue;
2515     memset(ae, 0, sizeof(*ae));
2516 
2517     memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
2518            sizeof(struct lpfc_name));
2519     size = FOURBYTES + sizeof(struct lpfc_name);
2520     ad->AttrLen = cpu_to_be16(size);
2521     ad->AttrType = cpu_to_be16(RHBA_NODENAME);
2522     return size;
2523 }
2524 static int
2525 lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
2526                 struct lpfc_fdmi_attr_def *ad)
2527 {
2528     struct lpfc_fdmi_attr_entry *ae;
2529     uint32_t len, size;
2530 
2531     ae = &ad->AttrValue;
2532     memset(ae, 0, sizeof(*ae));
2533 
2534     /* This string MUST be consistent with other FC platforms
2535      * supported by Broadcom.
2536      */
2537     strncpy(ae->un.AttrString,
2538         "Emulex Corporation",
2539                sizeof(ae->un.AttrString));
2540     len = strnlen(ae->un.AttrString,
2541               sizeof(ae->un.AttrString));
2542     len += (len & 3) ? (4 - (len & 3)) : 4;
2543     size = FOURBYTES + len;
2544     ad->AttrLen = cpu_to_be16(size);
2545     ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
2546     return size;
2547 }
2548 
2549 static int
2550 lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
2551 {
2552     struct lpfc_hba *phba = vport->phba;
2553     struct lpfc_fdmi_attr_entry *ae;
2554     uint32_t len, size;
2555 
2556     ae = &ad->AttrValue;
2557     memset(ae, 0, sizeof(*ae));
2558 
2559     strncpy(ae->un.AttrString, phba->SerialNumber,
2560         sizeof(ae->un.AttrString));
2561     len = strnlen(ae->un.AttrString,
2562               sizeof(ae->un.AttrString));
2563     len += (len & 3) ? (4 - (len & 3)) : 4;
2564     size = FOURBYTES + len;
2565     ad->AttrLen = cpu_to_be16(size);
2566     ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
2567     return size;
2568 }
2569 
2570 static int
2571 lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
2572              struct lpfc_fdmi_attr_def *ad)
2573 {
2574     struct lpfc_hba *phba = vport->phba;
2575     struct lpfc_fdmi_attr_entry *ae;
2576     uint32_t len, size;
2577 
2578     ae = &ad->AttrValue;
2579     memset(ae, 0, sizeof(*ae));
2580 
2581     strncpy(ae->un.AttrString, phba->ModelName,
2582         sizeof(ae->un.AttrString));
2583     len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2584     len += (len & 3) ? (4 - (len & 3)) : 4;
2585     size = FOURBYTES + len;
2586     ad->AttrLen = cpu_to_be16(size);
2587     ad->AttrType = cpu_to_be16(RHBA_MODEL);
2588     return size;
2589 }
2590 
2591 static int
2592 lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
2593                    struct lpfc_fdmi_attr_def *ad)
2594 {
2595     struct lpfc_hba *phba = vport->phba;
2596     struct lpfc_fdmi_attr_entry *ae;
2597     uint32_t len, size;
2598 
2599     ae = &ad->AttrValue;
2600     memset(ae, 0, sizeof(*ae));
2601 
2602     strncpy(ae->un.AttrString, phba->ModelDesc,
2603         sizeof(ae->un.AttrString));
2604     len = strnlen(ae->un.AttrString,
2605                   sizeof(ae->un.AttrString));
2606     len += (len & 3) ? (4 - (len & 3)) : 4;
2607     size = FOURBYTES + len;
2608     ad->AttrLen = cpu_to_be16(size);
2609     ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
2610     return size;
2611 }
2612 
2613 static int
2614 lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
2615                struct lpfc_fdmi_attr_def *ad)
2616 {
2617     struct lpfc_hba *phba = vport->phba;
2618     lpfc_vpd_t *vp = &phba->vpd;
2619     struct lpfc_fdmi_attr_entry *ae;
2620     uint32_t i, j, incr, size;
2621 
2622     ae = &ad->AttrValue;
2623     memset(ae, 0, sizeof(*ae));
2624 
2625     /* Convert JEDEC ID to ascii for hardware version */
2626     incr = vp->rev.biuRev;
2627     for (i = 0; i < 8; i++) {
2628         j = (incr & 0xf);
2629         if (j <= 9)
2630             ae->un.AttrString[7 - i] =
2631                 (char)((uint8_t) 0x30 +
2632                    (uint8_t) j);
2633         else
2634             ae->un.AttrString[7 - i] =
2635                 (char)((uint8_t) 0x61 +
2636                    (uint8_t) (j - 10));
2637         incr = (incr >> 4);
2638     }
2639     size = FOURBYTES + 8;
2640     ad->AttrLen = cpu_to_be16(size);
2641     ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
2642     return size;
2643 }
2644 
2645 static int
2646 lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
2647                 struct lpfc_fdmi_attr_def *ad)
2648 {
2649     struct lpfc_fdmi_attr_entry *ae;
2650     uint32_t len, size;
2651 
2652     ae = &ad->AttrValue;
2653     memset(ae, 0, sizeof(*ae));
2654 
2655     strncpy(ae->un.AttrString, lpfc_release_version,
2656         sizeof(ae->un.AttrString));
2657     len = strnlen(ae->un.AttrString,
2658               sizeof(ae->un.AttrString));
2659     len += (len & 3) ? (4 - (len & 3)) : 4;
2660     size = FOURBYTES + len;
2661     ad->AttrLen = cpu_to_be16(size);
2662     ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
2663     return size;
2664 }
2665 
2666 static int
2667 lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
2668                struct lpfc_fdmi_attr_def *ad)
2669 {
2670     struct lpfc_hba *phba = vport->phba;
2671     struct lpfc_fdmi_attr_entry *ae;
2672     uint32_t len, size;
2673 
2674     ae = &ad->AttrValue;
2675     memset(ae, 0, sizeof(*ae));
2676 
2677     if (phba->sli_rev == LPFC_SLI_REV4)
2678         lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2679     else
2680         strncpy(ae->un.AttrString, phba->OptionROMVersion,
2681             sizeof(ae->un.AttrString));
2682     len = strnlen(ae->un.AttrString,
2683               sizeof(ae->un.AttrString));
2684     len += (len & 3) ? (4 - (len & 3)) : 4;
2685     size = FOURBYTES + len;
2686     ad->AttrLen = cpu_to_be16(size);
2687     ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
2688     return size;
2689 }
2690 
2691 static int
2692 lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
2693                struct lpfc_fdmi_attr_def *ad)
2694 {
2695     struct lpfc_hba *phba = vport->phba;
2696     struct lpfc_fdmi_attr_entry *ae;
2697     uint32_t len, size;
2698 
2699     ae = &ad->AttrValue;
2700     memset(ae, 0, sizeof(*ae));
2701 
2702     lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
2703     len = strnlen(ae->un.AttrString,
2704               sizeof(ae->un.AttrString));
2705     len += (len & 3) ? (4 - (len & 3)) : 4;
2706     size = FOURBYTES + len;
2707     ad->AttrLen = cpu_to_be16(size);
2708     ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
2709     return size;
2710 }
2711 
2712 static int
2713 lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
2714               struct lpfc_fdmi_attr_def *ad)
2715 {
2716     struct lpfc_fdmi_attr_entry *ae;
2717     uint32_t len, size;
2718 
2719     ae = &ad->AttrValue;
2720     memset(ae, 0, sizeof(*ae));
2721 
2722     snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
2723          init_utsname()->sysname,
2724          init_utsname()->release,
2725          init_utsname()->version);
2726 
2727     len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
2728     len += (len & 3) ? (4 - (len & 3)) : 4;
2729     size = FOURBYTES + len;
2730     ad->AttrLen = cpu_to_be16(size);
2731     ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
2732     return size;
2733 }
2734 
2735 static int
2736 lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
2737               struct lpfc_fdmi_attr_def *ad)
2738 {
2739     struct lpfc_fdmi_attr_entry *ae;
2740     uint32_t size;
2741 
2742     ae = &ad->AttrValue;
2743 
2744     ae->un.AttrInt =  cpu_to_be32(LPFC_MAX_CT_SIZE);
2745     size = FOURBYTES + sizeof(uint32_t);
2746     ad->AttrLen = cpu_to_be16(size);
2747     ad->AttrType = cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
2748     return size;
2749 }
2750 
2751 static int
2752 lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
2753                  struct lpfc_fdmi_attr_def *ad)
2754 {
2755     struct lpfc_fdmi_attr_entry *ae;
2756     uint32_t len, size;
2757 
2758     ae = &ad->AttrValue;
2759     memset(ae, 0, sizeof(*ae));
2760 
2761     len = lpfc_vport_symbolic_node_name(vport,
2762                 ae->un.AttrString, 256);
2763     len += (len & 3) ? (4 - (len & 3)) : 4;
2764     size = FOURBYTES + len;
2765     ad->AttrLen = cpu_to_be16(size);
2766     ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
2767     return size;
2768 }
2769 
2770 static int
2771 lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
2772                    struct lpfc_fdmi_attr_def *ad)
2773 {
2774     struct lpfc_fdmi_attr_entry *ae;
2775     uint32_t size;
2776 
2777     ae = &ad->AttrValue;
2778 
2779     /* Nothing is defined for this currently */
2780     ae->un.AttrInt =  cpu_to_be32(0);
2781     size = FOURBYTES + sizeof(uint32_t);
2782     ad->AttrLen = cpu_to_be16(size);
2783     ad->AttrType = cpu_to_be16(RHBA_VENDOR_INFO);
2784     return size;
2785 }
2786 
2787 static int
2788 lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
2789                  struct lpfc_fdmi_attr_def *ad)
2790 {
2791     struct lpfc_fdmi_attr_entry *ae;
2792     uint32_t size;
2793 
2794     ae = &ad->AttrValue;
2795 
2796     /* Each driver instance corresponds to a single port */
2797     ae->un.AttrInt =  cpu_to_be32(1);
2798     size = FOURBYTES + sizeof(uint32_t);
2799     ad->AttrLen = cpu_to_be16(size);
2800     ad->AttrType = cpu_to_be16(RHBA_NUM_PORTS);
2801     return size;
2802 }
2803 
2804 static int
2805 lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
2806                    struct lpfc_fdmi_attr_def *ad)
2807 {
2808     struct lpfc_fdmi_attr_entry *ae;
2809     uint32_t size;
2810 
2811     ae = &ad->AttrValue;
2812     memset(ae, 0, sizeof(*ae));
2813 
2814     memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
2815            sizeof(struct lpfc_name));
2816     size = FOURBYTES + sizeof(struct lpfc_name);
2817     ad->AttrLen = cpu_to_be16(size);
2818     ad->AttrType = cpu_to_be16(RHBA_FABRIC_WWNN);
2819     return size;
2820 }
2821 
2822 static int
2823 lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
2824                 struct lpfc_fdmi_attr_def *ad)
2825 {
2826     struct lpfc_hba *phba = vport->phba;
2827     struct lpfc_fdmi_attr_entry *ae;
2828     uint32_t len, size;
2829 
2830     ae = &ad->AttrValue;
2831     memset(ae, 0, sizeof(*ae));
2832 
2833     strlcat(ae->un.AttrString, phba->BIOSVersion,
2834         sizeof(ae->un.AttrString));
2835     len = strnlen(ae->un.AttrString,
2836               sizeof(ae->un.AttrString));
2837     len += (len & 3) ? (4 - (len & 3)) : 4;
2838     size = FOURBYTES + len;
2839     ad->AttrLen = cpu_to_be16(size);
2840     ad->AttrType = cpu_to_be16(RHBA_BIOS_VERSION);
2841     return size;
2842 }
2843 
2844 static int
2845 lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
2846                   struct lpfc_fdmi_attr_def *ad)
2847 {
2848     struct lpfc_fdmi_attr_entry *ae;
2849     uint32_t size;
2850 
2851     ae = &ad->AttrValue;
2852 
2853     /* Driver doesn't have access to this information */
2854     ae->un.AttrInt =  cpu_to_be32(0);
2855     size = FOURBYTES + sizeof(uint32_t);
2856     ad->AttrLen = cpu_to_be16(size);
2857     ad->AttrType = cpu_to_be16(RHBA_BIOS_STATE);
2858     return size;
2859 }
2860 
2861 static int
2862 lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
2863                  struct lpfc_fdmi_attr_def *ad)
2864 {
2865     struct lpfc_fdmi_attr_entry *ae;
2866     uint32_t len, size;
2867 
2868     ae = &ad->AttrValue;
2869     memset(ae, 0, sizeof(*ae));
2870 
2871     strncpy(ae->un.AttrString, "EMULEX",
2872         sizeof(ae->un.AttrString));
2873     len = strnlen(ae->un.AttrString,
2874               sizeof(ae->un.AttrString));
2875     len += (len & 3) ? (4 - (len & 3)) : 4;
2876     size = FOURBYTES + len;
2877     ad->AttrLen = cpu_to_be16(size);
2878     ad->AttrType = cpu_to_be16(RHBA_VENDOR_ID);
2879     return size;
2880 }
2881 
2882 /* Routines for all individual PORT attributes */
2883 static int
2884 lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
2885                 struct lpfc_fdmi_attr_def *ad)
2886 {
2887     struct lpfc_hba   *phba = vport->phba;
2888     struct lpfc_fdmi_attr_entry *ae;
2889     uint32_t size;
2890 
2891     ae = &ad->AttrValue;
2892     memset(ae, 0, sizeof(*ae));
2893 
2894     ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
2895     ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
2896 
2897     /* Check to see if Firmware supports NVME and on physical port */
2898     if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) &&
2899         phba->sli4_hba.pc_sli4_params.nvme)
2900         ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
2901 
2902     size = FOURBYTES + 32;
2903     ad->AttrLen = cpu_to_be16(size);
2904     ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
2905     return size;
2906 }
2907 
2908 static int
2909 lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
2910                   struct lpfc_fdmi_attr_def *ad)
2911 {
2912     struct lpfc_hba   *phba = vport->phba;
2913     struct lpfc_fdmi_attr_entry *ae;
2914     uint32_t size;
2915     u32 tcfg;
2916     u8 i, cnt;
2917 
2918     ae = &ad->AttrValue;
2919 
2920     ae->un.AttrInt = 0;
2921     if (!(phba->hba_flag & HBA_FCOE_MODE)) {
2922         cnt = 0;
2923         if (phba->sli_rev == LPFC_SLI_REV4) {
2924             tcfg = phba->sli4_hba.conf_trunk;
2925             for (i = 0; i < 4; i++, tcfg >>= 1)
2926                 if (tcfg & 1)
2927                     cnt++;
2928         }
2929 
2930         if (cnt > 2) { /* 4 lane trunk group */
2931             if (phba->lmt & LMT_64Gb)
2932                 ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2933             if (phba->lmt & LMT_32Gb)
2934                 ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2935             if (phba->lmt & LMT_16Gb)
2936                 ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2937         } else if (cnt) { /* 2 lane trunk group */
2938             if (phba->lmt & LMT_128Gb)
2939                 ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2940             if (phba->lmt & LMT_64Gb)
2941                 ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2942             if (phba->lmt & LMT_32Gb)
2943                 ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2944             if (phba->lmt & LMT_16Gb)
2945                 ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2946         } else {
2947             if (phba->lmt & LMT_256Gb)
2948                 ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
2949             if (phba->lmt & LMT_128Gb)
2950                 ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
2951             if (phba->lmt & LMT_64Gb)
2952                 ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
2953             if (phba->lmt & LMT_32Gb)
2954                 ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
2955             if (phba->lmt & LMT_16Gb)
2956                 ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
2957             if (phba->lmt & LMT_10Gb)
2958                 ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
2959             if (phba->lmt & LMT_8Gb)
2960                 ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
2961             if (phba->lmt & LMT_4Gb)
2962                 ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
2963             if (phba->lmt & LMT_2Gb)
2964                 ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
2965             if (phba->lmt & LMT_1Gb)
2966                 ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
2967         }
2968     } else {
2969         /* FCoE links support only one speed */
2970         switch (phba->fc_linkspeed) {
2971         case LPFC_ASYNC_LINK_SPEED_10GBPS:
2972             ae->un.AttrInt = HBA_PORTSPEED_10GE;
2973             break;
2974         case LPFC_ASYNC_LINK_SPEED_25GBPS:
2975             ae->un.AttrInt = HBA_PORTSPEED_25GE;
2976             break;
2977         case LPFC_ASYNC_LINK_SPEED_40GBPS:
2978             ae->un.AttrInt = HBA_PORTSPEED_40GE;
2979             break;
2980         case LPFC_ASYNC_LINK_SPEED_100GBPS:
2981             ae->un.AttrInt = HBA_PORTSPEED_100GE;
2982             break;
2983         }
2984     }
2985     ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
2986     size = FOURBYTES + sizeof(uint32_t);
2987     ad->AttrLen = cpu_to_be16(size);
2988     ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
2989     return size;
2990 }
2991 
2992 static int
2993 lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
2994               struct lpfc_fdmi_attr_def *ad)
2995 {
2996     struct lpfc_hba   *phba = vport->phba;
2997     struct lpfc_fdmi_attr_entry *ae;
2998     uint32_t size;
2999 
3000     ae = &ad->AttrValue;
3001 
3002     if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3003         switch (phba->fc_linkspeed) {
3004         case LPFC_LINK_SPEED_1GHZ:
3005             ae->un.AttrInt = HBA_PORTSPEED_1GFC;
3006             break;
3007         case LPFC_LINK_SPEED_2GHZ:
3008             ae->un.AttrInt = HBA_PORTSPEED_2GFC;
3009             break;
3010         case LPFC_LINK_SPEED_4GHZ:
3011             ae->un.AttrInt = HBA_PORTSPEED_4GFC;
3012             break;
3013         case LPFC_LINK_SPEED_8GHZ:
3014             ae->un.AttrInt = HBA_PORTSPEED_8GFC;
3015             break;
3016         case LPFC_LINK_SPEED_10GHZ:
3017             ae->un.AttrInt = HBA_PORTSPEED_10GFC;
3018             break;
3019         case LPFC_LINK_SPEED_16GHZ:
3020             ae->un.AttrInt = HBA_PORTSPEED_16GFC;
3021             break;
3022         case LPFC_LINK_SPEED_32GHZ:
3023             ae->un.AttrInt = HBA_PORTSPEED_32GFC;
3024             break;
3025         case LPFC_LINK_SPEED_64GHZ:
3026             ae->un.AttrInt = HBA_PORTSPEED_64GFC;
3027             break;
3028         case LPFC_LINK_SPEED_128GHZ:
3029             ae->un.AttrInt = HBA_PORTSPEED_128GFC;
3030             break;
3031         case LPFC_LINK_SPEED_256GHZ:
3032             ae->un.AttrInt = HBA_PORTSPEED_256GFC;
3033             break;
3034         default:
3035             ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
3036             break;
3037         }
3038     } else {
3039         switch (phba->fc_linkspeed) {
3040         case LPFC_ASYNC_LINK_SPEED_10GBPS:
3041             ae->un.AttrInt = HBA_PORTSPEED_10GE;
3042             break;
3043         case LPFC_ASYNC_LINK_SPEED_25GBPS:
3044             ae->un.AttrInt = HBA_PORTSPEED_25GE;
3045             break;
3046         case LPFC_ASYNC_LINK_SPEED_40GBPS:
3047             ae->un.AttrInt = HBA_PORTSPEED_40GE;
3048             break;
3049         case LPFC_ASYNC_LINK_SPEED_100GBPS:
3050             ae->un.AttrInt = HBA_PORTSPEED_100GE;
3051             break;
3052         default:
3053             ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
3054             break;
3055         }
3056     }
3057 
3058     ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
3059     size = FOURBYTES + sizeof(uint32_t);
3060     ad->AttrLen = cpu_to_be16(size);
3061     ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
3062     return size;
3063 }
3064 
3065 static int
3066 lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
3067                   struct lpfc_fdmi_attr_def *ad)
3068 {
3069     struct serv_parm *hsp;
3070     struct lpfc_fdmi_attr_entry *ae;
3071     uint32_t size;
3072 
3073     ae = &ad->AttrValue;
3074 
3075     hsp = (struct serv_parm *)&vport->fc_sparam;
3076     ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) |
3077               (uint32_t) hsp->cmn.bbRcvSizeLsb;
3078     ae->un.AttrInt = cpu_to_be32(ae->un.AttrInt);
3079     size = FOURBYTES + sizeof(uint32_t);
3080     ad->AttrLen = cpu_to_be16(size);
3081     ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
3082     return size;
3083 }
3084 
3085 static int
3086 lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
3087                    struct lpfc_fdmi_attr_def *ad)
3088 {
3089     struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3090     struct lpfc_fdmi_attr_entry *ae;
3091     uint32_t len, size;
3092 
3093     ae = &ad->AttrValue;
3094     memset(ae, 0, sizeof(*ae));
3095 
3096     snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
3097          "/sys/class/scsi_host/host%d", shost->host_no);
3098     len = strnlen((char *)ae->un.AttrString,
3099               sizeof(ae->un.AttrString));
3100     len += (len & 3) ? (4 - (len & 3)) : 4;
3101     size = FOURBYTES + len;
3102     ad->AttrLen = cpu_to_be16(size);
3103     ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
3104     return size;
3105 }
3106 
3107 static int
3108 lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
3109                   struct lpfc_fdmi_attr_def *ad)
3110 {
3111     struct lpfc_fdmi_attr_entry *ae;
3112     uint32_t len, size;
3113 
3114     ae = &ad->AttrValue;
3115     memset(ae, 0, sizeof(*ae));
3116 
3117     scnprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
3118           vport->phba->os_host_name);
3119 
3120     len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3121     len += (len & 3) ? (4 - (len & 3)) : 4;
3122     size = FOURBYTES + len;
3123     ad->AttrLen = cpu_to_be16(size);
3124     ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
3125     return size;
3126 }
3127 
3128 static int
3129 lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
3130              struct lpfc_fdmi_attr_def *ad)
3131 {
3132     struct lpfc_fdmi_attr_entry *ae;
3133     uint32_t size;
3134 
3135     ae = &ad->AttrValue;
3136     memset(ae, 0, sizeof(*ae));
3137 
3138     memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
3139            sizeof(struct lpfc_name));
3140     size = FOURBYTES + sizeof(struct lpfc_name);
3141     ad->AttrLen = cpu_to_be16(size);
3142     ad->AttrType = cpu_to_be16(RPRT_NODENAME);
3143     return size;
3144 }
3145 
3146 static int
3147 lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
3148              struct lpfc_fdmi_attr_def *ad)
3149 {
3150     struct lpfc_fdmi_attr_entry *ae;
3151     uint32_t size;
3152 
3153     ae = &ad->AttrValue;
3154     memset(ae, 0, sizeof(*ae));
3155 
3156     memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
3157            sizeof(struct lpfc_name));
3158     size = FOURBYTES + sizeof(struct lpfc_name);
3159     ad->AttrLen = cpu_to_be16(size);
3160     ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
3161     return size;
3162 }
3163 
3164 static int
3165 lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
3166                   struct lpfc_fdmi_attr_def *ad)
3167 {
3168     struct lpfc_fdmi_attr_entry *ae;
3169     uint32_t len, size;
3170 
3171     ae = &ad->AttrValue;
3172     memset(ae, 0, sizeof(*ae));
3173 
3174     len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
3175     len += (len & 3) ? (4 - (len & 3)) : 4;
3176     size = FOURBYTES + len;
3177     ad->AttrLen = cpu_to_be16(size);
3178     ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
3179     return size;
3180 }
3181 
3182 static int
3183 lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
3184                   struct lpfc_fdmi_attr_def *ad)
3185 {
3186     struct lpfc_hba *phba = vport->phba;
3187     struct lpfc_fdmi_attr_entry *ae;
3188     uint32_t size;
3189 
3190     ae = &ad->AttrValue;
3191     if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
3192         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
3193     else
3194         ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTTYPE_NPORT);
3195     size = FOURBYTES + sizeof(uint32_t);
3196     ad->AttrLen = cpu_to_be16(size);
3197     ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
3198     return size;
3199 }
3200 
3201 static int
3202 lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
3203               struct lpfc_fdmi_attr_def *ad)
3204 {
3205     struct lpfc_fdmi_attr_entry *ae;
3206     uint32_t size;
3207 
3208     ae = &ad->AttrValue;
3209     ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
3210     size = FOURBYTES + sizeof(uint32_t);
3211     ad->AttrLen = cpu_to_be16(size);
3212     ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
3213     return size;
3214 }
3215 
3216 static int
3217 lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
3218                 struct lpfc_fdmi_attr_def *ad)
3219 {
3220     struct lpfc_fdmi_attr_entry *ae;
3221     uint32_t size;
3222 
3223     ae = &ad->AttrValue;
3224     memset(ae, 0, sizeof(*ae));
3225 
3226     memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
3227            sizeof(struct lpfc_name));
3228     size = FOURBYTES + sizeof(struct lpfc_name);
3229     ad->AttrLen = cpu_to_be16(size);
3230     ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
3231     return size;
3232 }
3233 
3234 static int
3235 lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
3236                    struct lpfc_fdmi_attr_def *ad)
3237 {
3238     struct lpfc_hba *phba = vport->phba;
3239     struct lpfc_fdmi_attr_entry *ae;
3240     uint32_t size;
3241 
3242     ae = &ad->AttrValue;
3243     memset(ae, 0, sizeof(*ae));
3244 
3245     ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
3246     ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
3247 
3248     /* Check to see if NVME is configured or not */
3249     if (vport == phba->pport &&
3250         phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
3251         ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
3252 
3253     size = FOURBYTES + 32;
3254     ad->AttrLen = cpu_to_be16(size);
3255     ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
3256     return size;
3257 }
3258 
3259 static int
3260 lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
3261                    struct lpfc_fdmi_attr_def *ad)
3262 {
3263     struct lpfc_fdmi_attr_entry *ae;
3264     uint32_t size;
3265 
3266     ae = &ad->AttrValue;
3267     /* Link Up - operational */
3268     ae->un.AttrInt =  cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
3269     size = FOURBYTES + sizeof(uint32_t);
3270     ad->AttrLen = cpu_to_be16(size);
3271     ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
3272     return size;
3273 }
3274 
3275 static int
3276 lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
3277                  struct lpfc_fdmi_attr_def *ad)
3278 {
3279     struct lpfc_fdmi_attr_entry *ae;
3280     uint32_t size;
3281 
3282     ae = &ad->AttrValue;
3283     vport->fdmi_num_disc = lpfc_find_map_node(vport);
3284     ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
3285     size = FOURBYTES + sizeof(uint32_t);
3286     ad->AttrLen = cpu_to_be16(size);
3287     ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
3288     return size;
3289 }
3290 
3291 static int
3292 lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
3293                 struct lpfc_fdmi_attr_def *ad)
3294 {
3295     struct lpfc_fdmi_attr_entry *ae;
3296     uint32_t size;
3297 
3298     ae = &ad->AttrValue;
3299     ae->un.AttrInt =  cpu_to_be32(vport->fc_myDID);
3300     size = FOURBYTES + sizeof(uint32_t);
3301     ad->AttrLen = cpu_to_be16(size);
3302     ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
3303     return size;
3304 }
3305 
3306 static int
3307 lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
3308                  struct lpfc_fdmi_attr_def *ad)
3309 {
3310     struct lpfc_fdmi_attr_entry *ae;
3311     uint32_t len, size;
3312 
3313     ae = &ad->AttrValue;
3314     memset(ae, 0, sizeof(*ae));
3315 
3316     strncpy(ae->un.AttrString, "Smart SAN Initiator",
3317         sizeof(ae->un.AttrString));
3318     len = strnlen(ae->un.AttrString,
3319               sizeof(ae->un.AttrString));
3320     len += (len & 3) ? (4 - (len & 3)) : 4;
3321     size = FOURBYTES + len;
3322     ad->AttrLen = cpu_to_be16(size);
3323     ad->AttrType = cpu_to_be16(RPRT_SMART_SERVICE);
3324     return size;
3325 }
3326 
3327 static int
3328 lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
3329               struct lpfc_fdmi_attr_def *ad)
3330 {
3331     struct lpfc_fdmi_attr_entry *ae;
3332     uint32_t size;
3333 
3334     ae = &ad->AttrValue;
3335     memset(ae, 0, sizeof(*ae));
3336 
3337     memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
3338            sizeof(struct lpfc_name));
3339     memcpy((((uint8_t *)&ae->un.AttrString) +
3340         sizeof(struct lpfc_name)),
3341         &vport->fc_sparam.portName, sizeof(struct lpfc_name));
3342     size = FOURBYTES + (2 * sizeof(struct lpfc_name));
3343     ad->AttrLen =  cpu_to_be16(size);
3344     ad->AttrType = cpu_to_be16(RPRT_SMART_GUID);
3345     return size;
3346 }
3347 
3348 static int
3349 lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
3350                  struct lpfc_fdmi_attr_def *ad)
3351 {
3352     struct lpfc_fdmi_attr_entry *ae;
3353     uint32_t len, size;
3354 
3355     ae = &ad->AttrValue;
3356     memset(ae, 0, sizeof(*ae));
3357 
3358     strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
3359         sizeof(ae->un.AttrString));
3360     len = strnlen(ae->un.AttrString,
3361               sizeof(ae->un.AttrString));
3362     len += (len & 3) ? (4 - (len & 3)) : 4;
3363     size = FOURBYTES + len;
3364     ad->AttrLen =  cpu_to_be16(size);
3365     ad->AttrType = cpu_to_be16(RPRT_SMART_VERSION);
3366     return size;
3367 }
3368 
3369 static int
3370 lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
3371                struct lpfc_fdmi_attr_def *ad)
3372 {
3373     struct lpfc_hba *phba = vport->phba;
3374     struct lpfc_fdmi_attr_entry *ae;
3375     uint32_t len, size;
3376 
3377     ae = &ad->AttrValue;
3378     memset(ae, 0, sizeof(*ae));
3379 
3380     strncpy(ae->un.AttrString, phba->ModelName,
3381         sizeof(ae->un.AttrString));
3382     len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3383     len += (len & 3) ? (4 - (len & 3)) : 4;
3384     size = FOURBYTES + len;
3385     ad->AttrLen = cpu_to_be16(size);
3386     ad->AttrType = cpu_to_be16(RPRT_SMART_MODEL);
3387     return size;
3388 }
3389 
3390 static int
3391 lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
3392                    struct lpfc_fdmi_attr_def *ad)
3393 {
3394     struct lpfc_fdmi_attr_entry *ae;
3395     uint32_t size;
3396 
3397     ae = &ad->AttrValue;
3398 
3399     /* SRIOV (type 3) is not supported */
3400     if (vport->vpi)
3401         ae->un.AttrInt =  cpu_to_be32(2);  /* NPIV */
3402     else
3403         ae->un.AttrInt =  cpu_to_be32(1);  /* Physical */
3404     size = FOURBYTES + sizeof(uint32_t);
3405     ad->AttrLen = cpu_to_be16(size);
3406     ad->AttrType = cpu_to_be16(RPRT_SMART_PORT_INFO);
3407     return size;
3408 }
3409 
3410 static int
3411 lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
3412              struct lpfc_fdmi_attr_def *ad)
3413 {
3414     struct lpfc_fdmi_attr_entry *ae;
3415     uint32_t size;
3416 
3417     ae = &ad->AttrValue;
3418     ae->un.AttrInt =  cpu_to_be32(0);
3419     size = FOURBYTES + sizeof(uint32_t);
3420     ad->AttrLen = cpu_to_be16(size);
3421     ad->AttrType = cpu_to_be16(RPRT_SMART_QOS);
3422     return size;
3423 }
3424 
3425 static int
3426 lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
3427                   struct lpfc_fdmi_attr_def *ad)
3428 {
3429     struct lpfc_fdmi_attr_entry *ae;
3430     uint32_t size;
3431 
3432     ae = &ad->AttrValue;
3433     ae->un.AttrInt =  cpu_to_be32(1);
3434     size = FOURBYTES + sizeof(uint32_t);
3435     ad->AttrLen = cpu_to_be16(size);
3436     ad->AttrType = cpu_to_be16(RPRT_SMART_SECURITY);
3437     return size;
3438 }
3439 
3440 static int
3441 lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport,
3442               struct lpfc_fdmi_attr_def *ad)
3443 {
3444     struct lpfc_hba *phba = vport->phba;
3445     struct lpfc_fdmi_attr_entry *ae;
3446     uint32_t len, size;
3447     char mibrevision[16];
3448 
3449     ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
3450     memset(ae, 0, 256);
3451     sprintf(mibrevision, "ELXE2EM:%04d",
3452         phba->sli4_hba.pc_sli4_params.mi_ver);
3453     strncpy(ae->un.AttrString, &mibrevision[0], sizeof(ae->un.AttrString));
3454     len = strnlen(ae->un.AttrString, sizeof(ae->un.AttrString));
3455     len += (len & 3) ? (4 - (len & 3)) : 4;
3456     size = FOURBYTES + len;
3457     ad->AttrLen = cpu_to_be16(size);
3458     ad->AttrType = cpu_to_be16(RPRT_VENDOR_MI);
3459     return size;
3460 }
3461 
3462 /* RHBA attribute jump table */
3463 int (*lpfc_fdmi_hba_action[])
3464     (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3465     /* Action routine                 Mask bit     Attribute type */
3466     lpfc_fdmi_hba_attr_wwnn,      /* bit0     RHBA_NODENAME           */
3467     lpfc_fdmi_hba_attr_manufacturer,  /* bit1     RHBA_MANUFACTURER       */
3468     lpfc_fdmi_hba_attr_sn,        /* bit2     RHBA_SERIAL_NUMBER      */
3469     lpfc_fdmi_hba_attr_model,     /* bit3     RHBA_MODEL              */
3470     lpfc_fdmi_hba_attr_description,   /* bit4     RHBA_MODEL_DESCRIPTION  */
3471     lpfc_fdmi_hba_attr_hdw_ver,   /* bit5     RHBA_HARDWARE_VERSION   */
3472     lpfc_fdmi_hba_attr_drvr_ver,      /* bit6     RHBA_DRIVER_VERSION     */
3473     lpfc_fdmi_hba_attr_rom_ver,   /* bit7     RHBA_OPTION_ROM_VERSION */
3474     lpfc_fdmi_hba_attr_fmw_ver,   /* bit8     RHBA_FIRMWARE_VERSION   */
3475     lpfc_fdmi_hba_attr_os_ver,    /* bit9     RHBA_OS_NAME_VERSION    */
3476     lpfc_fdmi_hba_attr_ct_len,    /* bit10    RHBA_MAX_CT_PAYLOAD_LEN */
3477     lpfc_fdmi_hba_attr_symbolic_name, /* bit11    RHBA_SYM_NODENAME       */
3478     lpfc_fdmi_hba_attr_vendor_info,   /* bit12    RHBA_VENDOR_INFO        */
3479     lpfc_fdmi_hba_attr_num_ports,     /* bit13    RHBA_NUM_PORTS          */
3480     lpfc_fdmi_hba_attr_fabric_wwnn,   /* bit14    RHBA_FABRIC_WWNN        */
3481     lpfc_fdmi_hba_attr_bios_ver,      /* bit15    RHBA_BIOS_VERSION       */
3482     lpfc_fdmi_hba_attr_bios_state,    /* bit16    RHBA_BIOS_STATE         */
3483     lpfc_fdmi_hba_attr_vendor_id,     /* bit17    RHBA_VENDOR_ID          */
3484 };
3485 
3486 /* RPA / RPRT attribute jump table */
3487 int (*lpfc_fdmi_port_action[])
3488     (struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad) = {
3489     /* Action routine                   Mask bit   Attribute type */
3490     lpfc_fdmi_port_attr_fc4type,        /* bit0   RPRT_SUPPORT_FC4_TYPES  */
3491     lpfc_fdmi_port_attr_support_speed,  /* bit1   RPRT_SUPPORTED_SPEED    */
3492     lpfc_fdmi_port_attr_speed,          /* bit2   RPRT_PORT_SPEED         */
3493     lpfc_fdmi_port_attr_max_frame,      /* bit3   RPRT_MAX_FRAME_SIZE     */
3494     lpfc_fdmi_port_attr_os_devname,     /* bit4   RPRT_OS_DEVICE_NAME     */
3495     lpfc_fdmi_port_attr_host_name,      /* bit5   RPRT_HOST_NAME          */
3496     lpfc_fdmi_port_attr_wwnn,           /* bit6   RPRT_NODENAME           */
3497     lpfc_fdmi_port_attr_wwpn,           /* bit7   RPRT_PORTNAME           */
3498     lpfc_fdmi_port_attr_symbolic_name,  /* bit8   RPRT_SYM_PORTNAME       */
3499     lpfc_fdmi_port_attr_port_type,      /* bit9   RPRT_PORT_TYPE          */
3500     lpfc_fdmi_port_attr_class,          /* bit10  RPRT_SUPPORTED_CLASS    */
3501     lpfc_fdmi_port_attr_fabric_wwpn,    /* bit11  RPRT_FABRICNAME         */
3502     lpfc_fdmi_port_attr_active_fc4type, /* bit12  RPRT_ACTIVE_FC4_TYPES   */
3503     lpfc_fdmi_port_attr_port_state,     /* bit13  RPRT_PORT_STATE         */
3504     lpfc_fdmi_port_attr_num_disc,       /* bit14  RPRT_DISC_PORT          */
3505     lpfc_fdmi_port_attr_nportid,        /* bit15  RPRT_PORT_ID            */
3506     lpfc_fdmi_smart_attr_service,       /* bit16  RPRT_SMART_SERVICE      */
3507     lpfc_fdmi_smart_attr_guid,          /* bit17  RPRT_SMART_GUID         */
3508     lpfc_fdmi_smart_attr_version,       /* bit18  RPRT_SMART_VERSION      */
3509     lpfc_fdmi_smart_attr_model,         /* bit19  RPRT_SMART_MODEL        */
3510     lpfc_fdmi_smart_attr_port_info,     /* bit20  RPRT_SMART_PORT_INFO    */
3511     lpfc_fdmi_smart_attr_qos,           /* bit21  RPRT_SMART_QOS          */
3512     lpfc_fdmi_smart_attr_security,      /* bit22  RPRT_SMART_SECURITY     */
3513     lpfc_fdmi_vendor_attr_mi,           /* bit23  RPRT_VENDOR_MI          */
3514 };
3515 
3516 /**
3517  * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort
3518  * @vport: pointer to a host virtual N_Port data structure.
3519  * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID)
3520  * @cmdcode: FDMI command to send
3521  * @new_mask: Mask of HBA or PORT Attributes to send
3522  *
3523  * Builds and sends a FDMI command using the CT subsystem.
3524  */
3525 int
3526 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3527           int cmdcode, uint32_t new_mask)
3528 {
3529     struct lpfc_hba *phba = vport->phba;
3530     struct lpfc_dmabuf *mp, *bmp;
3531     struct lpfc_sli_ct_request *CtReq;
3532     struct ulp_bde64 *bpl;
3533     uint32_t bit_pos;
3534     uint32_t size;
3535     uint32_t rsp_size;
3536     uint32_t mask;
3537     struct lpfc_fdmi_reg_hba *rh;
3538     struct lpfc_fdmi_port_entry *pe;
3539     struct lpfc_fdmi_reg_portattr *pab = NULL;
3540     struct lpfc_fdmi_attr_block *ab = NULL;
3541     int  (*func)(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad);
3542     void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *,
3543              struct lpfc_iocbq *);
3544 
3545     if (!ndlp)
3546         return 0;
3547 
3548     cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
3549 
3550     /* fill in BDEs for command */
3551     /* Allocate buffer for command payload */
3552     mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3553     if (!mp)
3554         goto fdmi_cmd_exit;
3555 
3556     mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
3557     if (!mp->virt)
3558         goto fdmi_cmd_free_mp;
3559 
3560     /* Allocate buffer for Buffer ptr list */
3561     bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
3562     if (!bmp)
3563         goto fdmi_cmd_free_mpvirt;
3564 
3565     bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
3566     if (!bmp->virt)
3567         goto fdmi_cmd_free_bmp;
3568 
3569     INIT_LIST_HEAD(&mp->list);
3570     INIT_LIST_HEAD(&bmp->list);
3571 
3572     /* FDMI request */
3573     lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3574              "0218 FDMI Request x%x mask x%x Data: x%x x%x x%x\n",
3575              cmdcode, new_mask, vport->fdmi_port_mask,
3576              vport->fc_flag, vport->port_state);
3577 
3578     CtReq = (struct lpfc_sli_ct_request *)mp->virt;
3579 
3580     /* First populate the CT_IU preamble */
3581     memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
3582     CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
3583     CtReq->RevisionId.bits.InId = 0;
3584 
3585     CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
3586     CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
3587 
3588     CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
3589     rsp_size = LPFC_BPL_SIZE;
3590     size = 0;
3591 
3592     /* Next fill in the specific FDMI cmd information */
3593     switch (cmdcode) {
3594     case SLI_MGMT_RHAT:
3595     case SLI_MGMT_RHBA:
3596         rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
3597         /* HBA Identifier */
3598         memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName,
3599                sizeof(struct lpfc_name));
3600 
3601         if (cmdcode == SLI_MGMT_RHBA) {
3602             /* Registered Port List */
3603             /* One entry (port) per adapter */
3604             rh->rpl.EntryCnt = cpu_to_be32(1);
3605             memcpy(&rh->rpl.pe.PortName,
3606                    &phba->pport->fc_sparam.portName,
3607                    sizeof(struct lpfc_name));
3608 
3609             /* point to the HBA attribute block */
3610             size = 2 * sizeof(struct lpfc_name) +
3611                 FOURBYTES;
3612         } else {
3613             size = sizeof(struct lpfc_name);
3614         }
3615         ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size);
3616         ab->EntryCnt = 0;
3617         size += FOURBYTES;
3618         bit_pos = 0;
3619         if (new_mask)
3620             mask = new_mask;
3621         else
3622             mask = vport->fdmi_hba_mask;
3623 
3624         /* Mask will dictate what attributes to build in the request */
3625         while (mask) {
3626             if (mask & 0x1) {
3627                 func = lpfc_fdmi_hba_action[bit_pos];
3628                 size += func(vport,
3629                          (struct lpfc_fdmi_attr_def *)
3630                          ((uint8_t *)rh + size));
3631                 ab->EntryCnt++;
3632                 if ((size + 256) >
3633                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3634                     goto hba_out;
3635             }
3636             mask = mask >> 1;
3637             bit_pos++;
3638         }
3639 hba_out:
3640         ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
3641         /* Total size */
3642         size = GID_REQUEST_SZ - 4 + size;
3643         break;
3644 
3645     case SLI_MGMT_RPRT:
3646         if (vport->port_type != LPFC_PHYSICAL_PORT) {
3647             ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3648             if (!ndlp)
3649                 return 0;
3650         }
3651         fallthrough;
3652     case SLI_MGMT_RPA:
3653         pab = (struct lpfc_fdmi_reg_portattr *)&CtReq->un.PortID;
3654         if (cmdcode == SLI_MGMT_RPRT) {
3655             rh = (struct lpfc_fdmi_reg_hba *)pab;
3656             /* HBA Identifier */
3657             memcpy(&rh->hi.PortName,
3658                    &phba->pport->fc_sparam.portName,
3659                    sizeof(struct lpfc_name));
3660             pab = (struct lpfc_fdmi_reg_portattr *)
3661                 ((uint8_t *)pab +  sizeof(struct lpfc_name));
3662         }
3663 
3664         memcpy((uint8_t *)&pab->PortName,
3665                (uint8_t *)&vport->fc_sparam.portName,
3666                sizeof(struct lpfc_name));
3667         size += sizeof(struct lpfc_name) + FOURBYTES;
3668         pab->ab.EntryCnt = 0;
3669         bit_pos = 0;
3670         if (new_mask)
3671             mask = new_mask;
3672         else
3673             mask = vport->fdmi_port_mask;
3674 
3675         /* Mask will dictate what attributes to build in the request */
3676         while (mask) {
3677             if (mask & 0x1) {
3678                 func = lpfc_fdmi_port_action[bit_pos];
3679                 size += func(vport,
3680                          (struct lpfc_fdmi_attr_def *)
3681                          ((uint8_t *)pab + size));
3682                 pab->ab.EntryCnt++;
3683                 if ((size + 256) >
3684                     (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
3685                     goto port_out;
3686             }
3687             mask = mask >> 1;
3688             bit_pos++;
3689         }
3690 port_out:
3691         pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
3692         /* Total size */
3693         if (cmdcode == SLI_MGMT_RPRT)
3694             size += sizeof(struct lpfc_name);
3695         size = GID_REQUEST_SZ - 4 + size;
3696         break;
3697 
3698     case SLI_MGMT_GHAT:
3699     case SLI_MGMT_GRPL:
3700         rsp_size = FC_MAX_NS_RSP;
3701         fallthrough;
3702     case SLI_MGMT_DHBA:
3703     case SLI_MGMT_DHAT:
3704         pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3705         memcpy((uint8_t *)&pe->PortName,
3706                (uint8_t *)&vport->fc_sparam.portName,
3707                sizeof(struct lpfc_name));
3708         size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3709         break;
3710 
3711     case SLI_MGMT_GPAT:
3712     case SLI_MGMT_GPAS:
3713         rsp_size = FC_MAX_NS_RSP;
3714         fallthrough;
3715     case SLI_MGMT_DPRT:
3716         if (vport->port_type != LPFC_PHYSICAL_PORT) {
3717             ndlp = lpfc_findnode_did(phba->pport, FDMI_DID);
3718             if (!ndlp)
3719                 return 0;
3720         }
3721         fallthrough;
3722     case SLI_MGMT_DPA:
3723         pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
3724         memcpy((uint8_t *)&pe->PortName,
3725                (uint8_t *)&vport->fc_sparam.portName,
3726                sizeof(struct lpfc_name));
3727         size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
3728         break;
3729     case SLI_MGMT_GRHL:
3730         size = GID_REQUEST_SZ - 4;
3731         break;
3732     default:
3733         lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
3734                  "0298 FDMI cmdcode x%x not supported\n",
3735                  cmdcode);
3736         goto fdmi_cmd_free_bmpvirt;
3737     }
3738     CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
3739 
3740     bpl = (struct ulp_bde64 *)bmp->virt;
3741     bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
3742     bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
3743     bpl->tus.f.bdeFlags = 0;
3744     bpl->tus.f.bdeSize = size;
3745 
3746     /*
3747      * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
3748      * to hold ndlp reference for the corresponding callback function.
3749      */
3750     if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
3751         return 0;
3752 
3753 fdmi_cmd_free_bmpvirt:
3754     lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
3755 fdmi_cmd_free_bmp:
3756     kfree(bmp);
3757 fdmi_cmd_free_mpvirt:
3758     lpfc_mbuf_free(phba, mp->virt, mp->phys);
3759 fdmi_cmd_free_mp:
3760     kfree(mp);
3761 fdmi_cmd_exit:
3762     /* Issue FDMI request failed */
3763     lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3764              "0244 Issue FDMI request failed Data: x%x\n",
3765              cmdcode);
3766     return 1;
3767 }
3768 
3769 /**
3770  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
3771  * @t: Context object of the timer.
3772  *
3773  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
3774  * the worker thread.
3775  **/
3776 void
3777 lpfc_delayed_disc_tmo(struct timer_list *t)
3778 {
3779     struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo);
3780     struct lpfc_hba   *phba = vport->phba;
3781     uint32_t tmo_posted;
3782     unsigned long iflag;
3783 
3784     spin_lock_irqsave(&vport->work_port_lock, iflag);
3785     tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
3786     if (!tmo_posted)
3787         vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
3788     spin_unlock_irqrestore(&vport->work_port_lock, iflag);
3789 
3790     if (!tmo_posted)
3791         lpfc_worker_wake_up(phba);
3792     return;
3793 }
3794 
3795 /**
3796  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
3797  *      handle delayed discovery.
3798  * @vport: pointer to a host virtual N_Port data structure.
3799  *
3800  * This function start nport discovery of the vport.
3801  **/
3802 void
3803 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
3804 {
3805     struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3806 
3807     spin_lock_irq(shost->host_lock);
3808     if (!(vport->fc_flag & FC_DISC_DELAYED)) {
3809         spin_unlock_irq(shost->host_lock);
3810         return;
3811     }
3812     vport->fc_flag &= ~FC_DISC_DELAYED;
3813     spin_unlock_irq(shost->host_lock);
3814 
3815     lpfc_do_scr_ns_plogi(vport->phba, vport);
3816 }
3817 
3818 void
3819 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
3820 {
3821     struct lpfc_sli *psli = &phba->sli;
3822     lpfc_vpd_t *vp = &phba->vpd;
3823     uint32_t b1, b2, b3, b4, i, rev;
3824     char c;
3825     uint32_t *ptr, str[4];
3826     uint8_t *fwname;
3827 
3828     if (phba->sli_rev == LPFC_SLI_REV4)
3829         snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
3830     else if (vp->rev.rBit) {
3831         if (psli->sli_flag & LPFC_SLI_ACTIVE)
3832             rev = vp->rev.sli2FwRev;
3833         else
3834             rev = vp->rev.sli1FwRev;
3835 
3836         b1 = (rev & 0x0000f000) >> 12;
3837         b2 = (rev & 0x00000f00) >> 8;
3838         b3 = (rev & 0x000000c0) >> 6;
3839         b4 = (rev & 0x00000030) >> 4;
3840 
3841         switch (b4) {
3842         case 0:
3843             c = 'N';
3844             break;
3845         case 1:
3846             c = 'A';
3847             break;
3848         case 2:
3849             c = 'B';
3850             break;
3851         case 3:
3852             c = 'X';
3853             break;
3854         default:
3855             c = 0;
3856             break;
3857         }
3858         b4 = (rev & 0x0000000f);
3859 
3860         if (psli->sli_flag & LPFC_SLI_ACTIVE)
3861             fwname = vp->rev.sli2FwName;
3862         else
3863             fwname = vp->rev.sli1FwName;
3864 
3865         for (i = 0; i < 16; i++)
3866             if (fwname[i] == 0x20)
3867                 fwname[i] = 0;
3868 
3869         ptr = (uint32_t*)fwname;
3870 
3871         for (i = 0; i < 3; i++)
3872             str[i] = be32_to_cpu(*ptr++);
3873 
3874         if (c == 0) {
3875             if (flag)
3876                 sprintf(fwrevision, "%d.%d%d (%s)",
3877                     b1, b2, b3, (char *)str);
3878             else
3879                 sprintf(fwrevision, "%d.%d%d", b1,
3880                     b2, b3);
3881         } else {
3882             if (flag)
3883                 sprintf(fwrevision, "%d.%d%d%c%d (%s)",
3884                     b1, b2, b3, c,
3885                     b4, (char *)str);
3886             else
3887                 sprintf(fwrevision, "%d.%d%d%c%d",
3888                     b1, b2, b3, c, b4);
3889         }
3890     } else {
3891         rev = vp->rev.smFwRev;
3892 
3893         b1 = (rev & 0xff000000) >> 24;
3894         b2 = (rev & 0x00f00000) >> 20;
3895         b3 = (rev & 0x000f0000) >> 16;
3896         c  = (rev & 0x0000ff00) >> 8;
3897         b4 = (rev & 0x000000ff);
3898 
3899         sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
3900     }
3901     return;
3902 }
3903 
3904 static void
3905 lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
3906               struct lpfc_iocbq *rspiocb)
3907 {
3908     struct lpfc_vport *vport = cmdiocb->vport;
3909     struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf;
3910     struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf;
3911     struct lpfc_sli_ct_request *ctcmd = inp->virt;
3912     struct lpfc_sli_ct_request *ctrsp = outp->virt;
3913     u16 rsp = ctrsp->CommandResponse.bits.CmdRsp;
3914     struct app_id_object *app;
3915     u32 cmd, hash, bucket;
3916     struct lpfc_vmid *vmp, *cur;
3917     u8 *data = outp->virt;
3918     int i;
3919 
3920     cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp);
3921     if (cmd == SLI_CTAS_DALLAPP_ID)
3922         lpfc_ct_free_iocb(phba, cmdiocb);
3923 
3924     if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) {
3925         if (cmd != SLI_CTAS_DALLAPP_ID)
3926             return;
3927     }
3928     /* Check for a CT LS_RJT response */
3929     if (rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
3930         if (cmd != SLI_CTAS_DALLAPP_ID)
3931             lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3932                      "3306 VMID FS_RJT Data: x%x x%x x%x\n",
3933                      cmd, ctrsp->ReasonCode,
3934                      ctrsp->Explanation);
3935         if ((cmd != SLI_CTAS_DALLAPP_ID) ||
3936             (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) ||
3937             (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
3938             /* If DALLAPP_ID failed retry later */
3939             if (cmd == SLI_CTAS_DALLAPP_ID)
3940                 vport->load_flag |= FC_DEREGISTER_ALL_APP_ID;
3941             return;
3942         }
3943     }
3944 
3945     switch (cmd) {
3946     case SLI_CTAS_RAPP_IDENT:
3947         app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data);
3948         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3949                  "6712 RAPP_IDENT app id %d  port id x%x id "
3950                  "len %d\n", be32_to_cpu(app->app_id),
3951                  be32_to_cpu(app->port_id),
3952                  app->obj.entity_id_len);
3953 
3954         if (app->obj.entity_id_len == 0 || app->port_id == 0)
3955             return;
3956 
3957         hash = lpfc_vmid_hash_fn(app->obj.entity_id,
3958                      app->obj.entity_id_len);
3959         vmp = lpfc_get_vmid_from_hashtable(vport, hash,
3960                           app->obj.entity_id);
3961         if (vmp) {
3962             write_lock(&vport->vmid_lock);
3963             vmp->un.app_id = be32_to_cpu(app->app_id);
3964             vmp->flag |= LPFC_VMID_REGISTERED;
3965             vmp->flag &= ~LPFC_VMID_REQ_REGISTER;
3966             write_unlock(&vport->vmid_lock);
3967             /* Set IN USE flag */
3968             vport->vmid_flag |= LPFC_VMID_IN_USE;
3969         } else {
3970             lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3971                      "6901 No entry found %s hash %d\n",
3972                      app->obj.entity_id, hash);
3973         }
3974         break;
3975     case SLI_CTAS_DAPP_IDENT:
3976         app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data);
3977         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3978                  "6713 DAPP_IDENT app id %d  port id x%x\n",
3979                  be32_to_cpu(app->app_id),
3980                  be32_to_cpu(app->port_id));
3981         break;
3982     case SLI_CTAS_DALLAPP_ID:
3983         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
3984                  "8856 Deregistered all app ids\n");
3985         read_lock(&vport->vmid_lock);
3986         for (i = 0; i < phba->cfg_max_vmid; i++) {
3987             vmp = &vport->vmid[i];
3988             if (vmp->flag != LPFC_VMID_SLOT_FREE)
3989                 memset(vmp, 0, sizeof(struct lpfc_vmid));
3990         }
3991         read_unlock(&vport->vmid_lock);
3992         /* for all elements in the hash table */
3993         if (!hash_empty(vport->hash_table))
3994             hash_for_each(vport->hash_table, bucket, cur, hnode)
3995                 hash_del(&cur->hnode);
3996         vport->load_flag |= FC_ALLOW_VMID;
3997         break;
3998     default:
3999         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4000                  "8857 Invalid command code\n");
4001     }
4002 }
4003 
4004 /**
4005  * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort
4006  * @vport: pointer to a host virtual N_Port data structure.
4007  * @cmdcode: application server command code to send
4008  * @vmid: pointer to vmid info structure
4009  *
4010  * Builds and sends a FDMI command using the CT subsystem.
4011  */
4012 int
4013 lpfc_vmid_cmd(struct lpfc_vport *vport,
4014           int cmdcode, struct lpfc_vmid *vmid)
4015 {
4016     struct lpfc_hba *phba = vport->phba;
4017     struct lpfc_dmabuf *mp, *bmp;
4018     struct lpfc_sli_ct_request *ctreq;
4019     struct ulp_bde64 *bpl;
4020     u32 size;
4021     u32 rsp_size;
4022     u8 *data;
4023     struct lpfc_vmid_rapp_ident_list *rap;
4024     struct lpfc_vmid_dapp_ident_list *dap;
4025     u8 retry = 0;
4026     struct lpfc_nodelist *ndlp;
4027 
4028     void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4029              struct lpfc_iocbq *rspiocb);
4030 
4031     ndlp = lpfc_findnode_did(vport, FDMI_DID);
4032     if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
4033         return 0;
4034 
4035     cmpl = lpfc_cmpl_ct_cmd_vmid;
4036 
4037     /* fill in BDEs for command */
4038     /* Allocate buffer for command payload */
4039     mp = kmalloc(sizeof(*mp), GFP_KERNEL);
4040     if (!mp)
4041         goto vmid_free_mp_exit;
4042 
4043     mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
4044     if (!mp->virt)
4045         goto vmid_free_mp_virt_exit;
4046 
4047     /* Allocate buffer for Buffer ptr list */
4048     bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
4049     if (!bmp)
4050         goto vmid_free_bmp_exit;
4051 
4052     bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
4053     if (!bmp->virt)
4054         goto vmid_free_bmp_virt_exit;
4055 
4056     INIT_LIST_HEAD(&mp->list);
4057     INIT_LIST_HEAD(&bmp->list);
4058 
4059     lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
4060              "3275 VMID Request Data: x%x x%x x%x\n",
4061              vport->fc_flag, vport->port_state, cmdcode);
4062     ctreq = (struct lpfc_sli_ct_request *)mp->virt;
4063     data = mp->virt;
4064     /* First populate the CT_IU preamble */
4065     memset(data, 0, LPFC_BPL_SIZE);
4066     ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
4067     ctreq->RevisionId.bits.InId = 0;
4068 
4069     ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE;
4070     ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes;
4071 
4072     ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
4073     rsp_size = LPFC_BPL_SIZE;
4074     size = 0;
4075 
4076     switch (cmdcode) {
4077     case SLI_CTAS_RAPP_IDENT:
4078         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4079                  "1329 RAPP_IDENT for %s\n", vmid->host_vmid);
4080         ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4081         rap = (struct lpfc_vmid_rapp_ident_list *)
4082             (DAPP_IDENT_OFFSET + data);
4083         rap->no_of_objects = cpu_to_be32(1);
4084         rap->obj[0].entity_id_len = vmid->vmid_len;
4085         memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
4086         size = RAPP_IDENT_OFFSET +
4087             sizeof(struct lpfc_vmid_rapp_ident_list);
4088         retry = 1;
4089         break;
4090 
4091     case SLI_CTAS_GALLAPPIA_ID:
4092         ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4093         size = GALLAPPIA_ID_SIZE;
4094         break;
4095 
4096     case SLI_CTAS_DAPP_IDENT:
4097         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4098                  "1469 DAPP_IDENT for %s\n", vmid->host_vmid);
4099         ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4100         dap = (struct lpfc_vmid_dapp_ident_list *)
4101             (DAPP_IDENT_OFFSET + data);
4102         dap->no_of_objects = cpu_to_be32(1);
4103         dap->obj[0].entity_id_len = vmid->vmid_len;
4104         memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
4105         size = DAPP_IDENT_OFFSET +
4106             sizeof(struct lpfc_vmid_dapp_ident_list);
4107         write_lock(&vport->vmid_lock);
4108         vmid->flag &= ~LPFC_VMID_REGISTERED;
4109         write_unlock(&vport->vmid_lock);
4110         retry = 1;
4111         break;
4112 
4113     case SLI_CTAS_DALLAPP_ID:
4114         ctreq->un.PortID = cpu_to_be32(vport->fc_myDID);
4115         size = DALLAPP_ID_SIZE;
4116         break;
4117 
4118     default:
4119         lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4120                  "7062 VMID cmdcode x%x not supported\n",
4121                  cmdcode);
4122         goto vmid_free_all_mem;
4123     }
4124 
4125     ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
4126 
4127     bpl = (struct ulp_bde64 *)bmp->virt;
4128     bpl->addrHigh = putPaddrHigh(mp->phys);
4129     bpl->addrLow = putPaddrLow(mp->phys);
4130     bpl->tus.f.bdeFlags = 0;
4131     bpl->tus.f.bdeSize = size;
4132 
4133     /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
4134      * to hold ndlp reference for the corresponding callback function.
4135      */
4136     if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry))
4137         return 0;
4138 
4139  vmid_free_all_mem:
4140     lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
4141  vmid_free_bmp_virt_exit:
4142     kfree(bmp);
4143  vmid_free_bmp_exit:
4144     lpfc_mbuf_free(phba, mp->virt, mp->phys);
4145  vmid_free_mp_virt_exit:
4146     kfree(mp);
4147  vmid_free_mp_exit:
4148 
4149     /* Issue CT request failed */
4150     lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
4151              "3276 VMID CT request failed Data: x%x\n", cmdcode);
4152     return -EIO;
4153 }