/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2004-2010 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of version 2 of the GNU General * * Public License as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful. * * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * * TO BE LEGALLY INVALID. See the GNU General Public License for * * more details, a copy of which can be found in the file COPYING * * included with this package. * *******************************************************************/ /* * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS */ #include <linux/blkdev.h> #include <linux/pci.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/utsname.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #include <scsi/scsi_transport_fc.h> #include <scsi/fc/fc_fs.h> #include "lpfc_hw4.h" #include "lpfc_hw.h" #include "lpfc_sli.h" #include "lpfc_sli4.h" #include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" #include "lpfc_logmsg.h" #include "lpfc_crtn.h" #include "lpfc_version.h" #include "lpfc_vport.h" #include "lpfc_debugfs.h" /* FDMI Port Speed definitions */ #define HBA_PORTSPEED_1GBIT 0x0001 /* 1 GBit/sec */ #define HBA_PORTSPEED_2GBIT 0x0002 /* 2 GBit/sec */ #define HBA_PORTSPEED_4GBIT 0x0008 /* 4 GBit/sec */ #define HBA_PORTSPEED_10GBIT 0x0004 /* 10 GBit/sec */ #define HBA_PORTSPEED_8GBIT 0x0010 /* 8 GBit/sec */ #define HBA_PORTSPEED_16GBIT 0x0020 /* 16 GBit/sec */ #define HBA_PORTSPEED_UNKNOWN 0x0800 /* Unknown */ #define FOURBYTES 4 static char *lpfc_release_version = LPFC_DRIVER_VERSION; static void lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, struct lpfc_dmabuf *mp, uint32_t size) { if (!mp) { lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "0146 Ignoring unsolicited CT No HBQ " "status = x%x\n", piocbq->iocb.ulpStatus); } lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "0145 Ignoring unsolicted CT HBQ Size:%d " "status = x%x\n", size, piocbq->iocb.ulpStatus); } static void lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, struct lpfc_dmabuf *mp, uint32_t size) { lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size); } void lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocbq) { struct lpfc_dmabuf *mp = NULL; IOCB_t *icmd = &piocbq->iocb; int i; struct lpfc_iocbq *iocbq; dma_addr_t paddr; uint32_t size; struct list_head head; struct lpfc_dmabuf *bdeBuf; if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0) return; if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) { lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) { /* Not enough posted buffers; Try posting more buffers */ phba->fc_stat.NoRcvBuf++; if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) lpfc_post_buffer(phba, pring, 2); return; } /* If there are no BDEs associated with this IOCB, * there is nothing to do. */ if (icmd->ulpBdeCount == 0) return; if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { INIT_LIST_HEAD(&head); list_add_tail(&head, &piocbq->list); list_for_each_entry(iocbq, &head, list) { icmd = &iocbq->iocb; if (icmd->ulpBdeCount == 0) continue; bdeBuf = iocbq->context2; iocbq->context2 = NULL; size = icmd->un.cont64[0].tus.f.bdeSize; lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size); lpfc_in_buf_free(phba, bdeBuf); if (icmd->ulpBdeCount == 2) { bdeBuf = iocbq->context3; iocbq->context3 = NULL; size = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize; lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size); lpfc_in_buf_free(phba, bdeBuf); } } list_del(&head); } else { INIT_LIST_HEAD(&head); list_add_tail(&head, &piocbq->list); list_for_each_entry(iocbq, &head, list) { icmd = &iocbq->iocb; if (icmd->ulpBdeCount == 0) lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0); for (i = 0; i < icmd->ulpBdeCount; i++) { paddr = getPaddr(icmd->un.cont64[i].addrHigh, icmd->un.cont64[i].addrLow); mp = lpfc_sli_ringpostbuf_get(phba, pring, paddr); size = icmd->un.cont64[i].tus.f.bdeSize; lpfc_ct_unsol_buffer(phba, iocbq, mp, size); lpfc_in_buf_free(phba, mp); } lpfc_post_buffer(phba, pring, i); } list_del(&head); } } /** * lpfc_sli4_ct_abort_unsol_event - Default handle for sli4 unsol abort * @phba: Pointer to HBA context object. * @pring: Pointer to the driver internal I/O ring. * @piocbq: Pointer to the IOCBQ. * * This function serves as the default handler for the sli4 unsolicited * abort event. It shall be invoked when there is no application interface * registered unsolicited abort handler. This handler does nothing but * just simply releases the dma buffer used by the unsol abort event. **/ void lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocbq) { IOCB_t *icmd = &piocbq->iocb; struct lpfc_dmabuf *bdeBuf; uint32_t size; /* Forward abort event to any process registered to receive ct event */ if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0) return; /* If there is no BDE associated with IOCB, there is nothing to do */ if (icmd->ulpBdeCount == 0) return; bdeBuf = piocbq->context2; piocbq->context2 = NULL; size = icmd->un.cont64[0].tus.f.bdeSize; lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size); lpfc_in_buf_free(phba, bdeBuf); } static void lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist) { struct lpfc_dmabuf *mlast, *next_mlast; list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) { lpfc_mbuf_free(phba, mlast->virt, mlast->phys); list_del(&mlast->list); kfree(mlast); } lpfc_mbuf_free(phba, mlist->virt, mlist->phys); kfree(mlist); return; } static struct lpfc_dmabuf * lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl, uint32_t size, int *entries) { struct lpfc_dmabuf *mlist = NULL; struct lpfc_dmabuf *mp; int cnt, i = 0; /* We get chunks of FCELSSIZE */ cnt = size > FCELSSIZE ? FCELSSIZE: size; while (size) { /* Allocate buffer for rsp payload */ mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); if (!mp) { if (mlist) lpfc_free_ct_rsp(phba, mlist); return NULL; } INIT_LIST_HEAD(&mp->list); if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) || cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID)) mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); else mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys)); if (!mp->virt) { kfree(mp); if (mlist) lpfc_free_ct_rsp(phba, mlist); return NULL; } /* Queue it to a linked list */ if (!mlist) mlist = mp; else list_add_tail(&mp->list, &mlist->list); bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I; /* build buffer ptr list for IOCB */ bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); bpl->tus.f.bdeSize = (uint16_t) cnt; bpl->tus.w = le32_to_cpu(bpl->tus.w); bpl++; i++; size -= cnt; } *entries = i; return mlist; } int lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb) { struct lpfc_dmabuf *buf_ptr; if (ctiocb->context_un.ndlp) { lpfc_nlp_put(ctiocb->context_un.ndlp); ctiocb->context_un.ndlp = NULL; } if (ctiocb->context1) { buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1; lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); kfree(buf_ptr); ctiocb->context1 = NULL; } if (ctiocb->context2) { lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2); ctiocb->context2 = NULL; } if (ctiocb->context3) { buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3; lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); kfree(buf_ptr); ctiocb->context1 = NULL; } lpfc_sli_release_iocbq(phba, ctiocb); return 0; } static int lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp, void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *), struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry, uint32_t tmo, uint8_t retry) { struct lpfc_hba *phba = vport->phba; IOCB_t *icmd; struct lpfc_iocbq *geniocb; int rc; /* Allocate buffer for command iocb */ geniocb = lpfc_sli_get_iocbq(phba); if (geniocb == NULL) return 1; icmd = &geniocb->iocb; icmd->un.genreq64.bdl.ulpIoTag32 = 0; icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64)); if (usr_flg) geniocb->context3 = NULL; else geniocb->context3 = (uint8_t *) bmp; /* Save for completion so we can release these resources */ geniocb->context1 = (uint8_t *) inp; geniocb->context2 = (uint8_t *) outp; geniocb->context_un.ndlp = lpfc_nlp_get(ndlp); /* Fill in payload, bp points to frame payload */ icmd->ulpCommand = CMD_GEN_REQUEST64_CR; /* Fill in rest of iocb */ icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA); icmd->un.genreq64.w5.hcsw.Dfctl = 0; icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT; if (!tmo) { /* FC spec states we need 3 * ratov for CT requests */ tmo = (3 * phba->fc_ratov); } icmd->ulpTimeout = tmo; icmd->ulpBdeCount = 1; icmd->ulpLe = 1; icmd->ulpClass = CLASS3; icmd->ulpContext = ndlp->nlp_rpi; if (phba->sli_rev == LPFC_SLI_REV4) icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { /* For GEN_REQUEST64_CR, use the RPI */ icmd->ulpCt_h = 0; icmd->ulpCt_l = 0; } /* Issue GEN REQ IOCB for NPORT <did> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0119 Issue GEN REQ IOCB to NPORT x%x " "Data: x%x x%x\n", ndlp->nlp_DID, icmd->ulpIoTag, vport->port_state); geniocb->iocb_cmpl = cmpl; geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT; geniocb->vport = vport; geniocb->retry = retry; rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0); if (rc == IOCB_ERROR) { lpfc_sli_release_iocbq(phba, geniocb); return 1; } return 0; } static int lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp, struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp, void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *), uint32_t rsp_size, uint8_t retry) { struct lpfc_hba *phba = vport->phba; struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt; struct lpfc_dmabuf *outmp; int cnt = 0, status; int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)-> CommandResponse.bits.CmdRsp; bpl++; /* Skip past ct request */ /* Put buffer(s) for ct rsp in bpl */ outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt); if (!outmp) return -ENOMEM; /* * Form the CT IOCB. The total number of BDEs in this IOCB * is the single command plus response count from * lpfc_alloc_ct_rsp. */ cnt += 1; status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0, cnt, 0, retry); if (status) { lpfc_free_ct_rsp(phba, outmp); return -ENOMEM; } return 0; } struct lpfc_vport * lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) { struct lpfc_vport *vport_curr; unsigned long flags; spin_lock_irqsave(&phba->hbalock, flags); list_for_each_entry(vport_curr, &phba->port_list, listentry) { if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) { spin_unlock_irqrestore(&phba->hbalock, flags); return vport_curr; } } spin_unlock_irqrestore(&phba->hbalock, flags); return NULL; } static int lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size) { struct lpfc_hba *phba = vport->phba; struct lpfc_sli_ct_request *Response = (struct lpfc_sli_ct_request *) mp->virt; struct lpfc_nodelist *ndlp = NULL; struct lpfc_dmabuf *mlast, *next_mp; uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType; uint32_t Did, CTentry; int Cnt; struct list_head head; lpfc_set_disctmo(vport); vport->num_disc_nodes = 0; vport->fc_ns_retry = 0; list_add_tail(&head, &mp->list); list_for_each_entry_safe(mp, next_mp, &head, list) { mlast = mp; Cnt = Size > FCELSSIZE ? FCELSSIZE : Size; Size -= Cnt; if (!ctptr) { ctptr = (uint32_t *) mlast->virt; } else Cnt -= 16; /* subtract length of CT header */ /* Loop through entire NameServer list of DIDs */ while (Cnt >= sizeof (uint32_t)) { /* Get next DID from NameServer List */ CTentry = *ctptr++; Did = ((be32_to_cpu(CTentry)) & Mask_DID); ndlp = NULL; /* * Check for rscn processing or not * To conserve rpi's, filter out addresses for other * vports on the same physical HBAs. */ if ((Did != vport->fc_myDID) && ((lpfc_find_vport_by_did(phba, Did) == NULL) || vport->cfg_peer_port_login)) { if ((vport->port_type != LPFC_NPIV_PORT) || (!(vport->ct_flags & FC_CT_RFF_ID)) || (!vport->cfg_restrict_login)) { ndlp = lpfc_setup_disc_node(vport, Did); if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "Parse GID_FTrsp: " "did:x%x flg:x%x x%x", Did, ndlp->nlp_flag, vport->fc_flag); lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0238 Process " "x%x NameServer Rsp" "Data: x%x x%x x%x\n", Did, ndlp->nlp_flag, vport->fc_flag, vport->fc_rscn_id_cnt); } else { lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "Skip1 GID_FTrsp: " "did:x%x flg:x%x cnt:%d", Did, vport->fc_flag, vport->fc_rscn_id_cnt); lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0239 Skip x%x " "NameServer Rsp Data: " "x%x x%x\n", Did, vport->fc_flag, vport->fc_rscn_id_cnt); } } else { if (!(vport->fc_flag & FC_RSCN_MODE) || (lpfc_rscn_payload_check(vport, Did))) { lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "Query GID_FTrsp: " "did:x%x flg:x%x cnt:%d", Did, vport->fc_flag, vport->fc_rscn_id_cnt); /* This NPortID was previously * a FCP target, * Don't even * bother to send GFF_ID. */ ndlp = lpfc_findnode_did(vport, Did); if (ndlp && NLP_CHK_NODE_ACT(ndlp) && (ndlp->nlp_type & NLP_FCP_TARGET)) lpfc_setup_disc_node (vport, Did); else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID, 0, Did) == 0) vport->num_disc_nodes++; else lpfc_setup_disc_node (vport, Did); } else { lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "Skip2 GID_FTrsp: " "did:x%x flg:x%x cnt:%d", Did, vport->fc_flag, vport->fc_rscn_id_cnt); lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0245 Skip x%x " "NameServer Rsp Data: " "x%x x%x\n", Did, vport->fc_flag, vport->fc_rscn_id_cnt); } } } if (CTentry & (be32_to_cpu(SLI_CT_LAST_ENTRY))) goto nsout1; Cnt -= sizeof (uint32_t); } ctptr = NULL; } nsout1: list_del(&head); return 0; } static void lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); IOCB_t *irsp; struct lpfc_dmabuf *bmp; struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; struct lpfc_nodelist *ndlp; int rc; /* First save ndlp, before we overwrite it */ ndlp = cmdiocb->context_un.ndlp; /* we pass cmdiocb to state machine which needs rspiocb as well */ cmdiocb->context_un.rsp_iocb = rspiocb; outp = (struct lpfc_dmabuf *) cmdiocb->context2; bmp = (struct lpfc_dmabuf *) cmdiocb->context3; irsp = &rspiocb->iocb; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GID_FT cmpl: status:x%x/x%x rtry:%d", irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry); /* Don't bother processing response if vport is being torn down. */ if (vport->load_flag & FC_UNLOADING) { if (vport->fc_flag & FC_RSCN_MODE) lpfc_els_flush_rscn(vport); goto out; } if (lpfc_els_chk_latt(vport)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0216 Link event during NS query\n"); if (vport->fc_flag & FC_RSCN_MODE) lpfc_els_flush_rscn(vport); lpfc_vport_set_state(vport, FC_VPORT_FAILED); goto out; } if (lpfc_error_lost_link(irsp)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0226 NS query failed due to link event\n"); if (vport->fc_flag & FC_RSCN_MODE) lpfc_els_flush_rscn(vport); goto out; } if (irsp->ulpStatus) { /* Check for retry */ if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || irsp->un.ulpWord[4] != IOERR_NO_RESOURCES) vport->fc_ns_retry++; /* CT command is being retried */ rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, vport->fc_ns_retry, 0); if (rc == 0) goto out; } if (vport->fc_flag & FC_RSCN_MODE) lpfc_els_flush_rscn(vport); lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, "0257 GID_FT Query error: 0x%x 0x%x\n", irsp->ulpStatus, vport->fc_ns_retry); } else { /* Good status, continue checking */ CTrsp = (struct lpfc_sli_ct_request *) outp->virt; if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0208 NameServer Rsp Data: x%x\n", vport->fc_flag); lpfc_ns_rsp(vport, outp, (uint32_t) (irsp->un.genreq64.bdl.bdeSize)); } else if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { /* NameServer Rsp Error */ if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ) && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0269 No NameServer Entries " "Data: x%x x%x x%x x%x\n", CTrsp->CommandResponse.bits.CmdRsp, (uint32_t) CTrsp->ReasonCode, (uint32_t) CTrsp->Explanation, vport->fc_flag); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GID_FT no entry cmd:x%x rsn:x%x exp:x%x", (uint32_t)CTrsp->CommandResponse.bits.CmdRsp, (uint32_t) CTrsp->ReasonCode, (uint32_t) CTrsp->Explanation); } else { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0240 NameServer Rsp Error " "Data: x%x x%x x%x x%x\n", CTrsp->CommandResponse.bits.CmdRsp, (uint32_t) CTrsp->ReasonCode, (uint32_t) CTrsp->Explanation, vport->fc_flag); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GID_FT rsp err1 cmd:x%x rsn:x%x exp:x%x", (uint32_t)CTrsp->CommandResponse.bits.CmdRsp, (uint32_t) CTrsp->ReasonCode, (uint32_t) CTrsp->Explanation); } } else { /* NameServer Rsp Error */ lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "0241 NameServer Rsp Error " "Data: x%x x%x x%x x%x\n", CTrsp->CommandResponse.bits.CmdRsp, (uint32_t) CTrsp->ReasonCode, (uint32_t) CTrsp->Explanation, vport->fc_flag); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GID_FT rsp err2 cmd:x%x rsn:x%x exp:x%x", (uint32_t)CTrsp->CommandResponse.bits.CmdRsp, (uint32_t) CTrsp->ReasonCode, (uint32_t) CTrsp->Explanation); } } /* Link up / RSCN discovery */ if (vport->num_disc_nodes == 0) { /* * The driver has cycled through all Nports in the RSCN payload. * Complete the handling by cleaning up and marking the * current driver state. */ if (vport->port_state >= LPFC_DISC_AUTH) { if (vport->fc_flag & FC_RSCN_MODE) { lpfc_els_flush_rscn(vport); spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */ spin_unlock_irq(shost->host_lock); } else lpfc_els_flush_rscn(vport); } lpfc_disc_start(vport); } out: cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */ lpfc_ct_free_iocb(phba, cmdiocb); return; } static void lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); IOCB_t *irsp = &rspiocb->iocb; struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1; struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2; struct lpfc_sli_ct_request *CTrsp; int did, rc, retry; uint8_t fbits; struct lpfc_nodelist *ndlp; did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId; did = be32_to_cpu(did); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GFF_ID cmpl: status:x%x/x%x did:x%x", irsp->ulpStatus, irsp->un.ulpWord[4], did); if (irsp->ulpStatus == IOSTAT_SUCCESS) { /* Good status, continue checking */ CTrsp = (struct lpfc_sli_ct_request *) outp->virt; fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET]; if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) { if ((fbits & FC4_FEATURE_INIT) && !(fbits & FC4_FEATURE_TARGET)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0270 Skip x%x GFF " "NameServer Rsp Data: (init) " "x%x x%x\n", did, fbits, vport->fc_rscn_id_cnt); goto out; } } } else { /* Check for retry */ if (cmdiocb->retry < LPFC_MAX_NS_RETRY) { retry = 1; if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) { switch (irsp->un.ulpWord[4]) { case IOERR_NO_RESOURCES: /* We don't increment the retry * count for this case. */ break; case IOERR_LINK_DOWN: case IOERR_SLI_ABORTED: case IOERR_SLI_DOWN: retry = 0; break; default: cmdiocb->retry++; } } else cmdiocb->retry++; if (retry) { /* CT command is being retried */ rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID, cmdiocb->retry, did); if (rc == 0) { /* success */ lpfc_ct_free_iocb(phba, cmdiocb); return; } } } lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "0267 NameServer GFF Rsp " "x%x Error (%d %d) Data: x%x x%x\n", did, irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_flag, vport->fc_rscn_id_cnt); } /* This is a target port, unregistered port, or the GFF_ID failed */ ndlp = lpfc_setup_disc_node(vport, did); if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0242 Process x%x GFF " "NameServer Rsp Data: x%x x%x x%x\n", did, ndlp->nlp_flag, vport->fc_flag, vport->fc_rscn_id_cnt); } else { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0243 Skip x%x GFF " "NameServer Rsp Data: x%x x%x\n", did, vport->fc_flag, vport->fc_rscn_id_cnt); } out: /* Link up / RSCN discovery */ if (vport->num_disc_nodes) vport->num_disc_nodes--; if (vport->num_disc_nodes == 0) { /* * The driver has cycled through all Nports in the RSCN payload. * Complete the handling by cleaning up and marking the * current driver state. */ if (vport->port_state >= LPFC_DISC_AUTH) { if (vport->fc_flag & FC_RSCN_MODE) { lpfc_els_flush_rscn(vport); spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */ spin_unlock_irq(shost->host_lock); } else lpfc_els_flush_rscn(vport); } lpfc_disc_start(vport); } lpfc_ct_free_iocb(phba, cmdiocb); return; } static void lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; struct lpfc_dmabuf *inp; struct lpfc_dmabuf *outp; IOCB_t *irsp; struct lpfc_sli_ct_request *CTrsp; struct lpfc_nodelist *ndlp; int cmdcode, rc; uint8_t retry; uint32_t latt; /* First save ndlp, before we overwrite it */ ndlp = cmdiocb->context_un.ndlp; /* we pass cmdiocb to state machine which needs rspiocb as well */ cmdiocb->context_un.rsp_iocb = rspiocb; inp = (struct lpfc_dmabuf *) cmdiocb->context1; outp = (struct lpfc_dmabuf *) cmdiocb->context2; irsp = &rspiocb->iocb; cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)-> CommandResponse.bits.CmdRsp); CTrsp = (struct lpfc_sli_ct_request *) outp->virt; latt = lpfc_els_chk_latt(vport); /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0209 CT Request completes, latt %d, " "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n", latt, irsp->ulpStatus, CTrsp->CommandResponse.bits.CmdRsp, cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "CT cmd cmpl: status:x%x/x%x cmd:x%x", irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode); if (irsp->ulpStatus) { lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "0268 NS cmd %x Error (%d %d)\n", cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]); if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) || (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED))) goto out; retry = cmdiocb->retry; if (retry >= LPFC_MAX_NS_RETRY) goto out; retry++; lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0250 Retrying NS cmd %x\n", cmdcode); rc = lpfc_ns_cmd(vport, cmdcode, retry, 0); if (rc == 0) goto out; } out: cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */ lpfc_ct_free_iocb(phba, cmdiocb); return; } static void lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; if (irsp->ulpStatus == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; outp = (struct lpfc_dmabuf *) cmdiocb->context2; CTrsp = (struct lpfc_sli_ct_request *) outp->virt; if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) vport->ct_flags |= FC_CT_RFT_ID; } lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } static void lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; if (irsp->ulpStatus == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; outp = (struct lpfc_dmabuf *) cmdiocb->context2; CTrsp = (struct lpfc_sli_ct_request *) outp->virt; if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) vport->ct_flags |= FC_CT_RNN_ID; } lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } static void lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; if (irsp->ulpStatus == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; outp = (struct lpfc_dmabuf *) cmdiocb->context2; CTrsp = (struct lpfc_sli_ct_request *) outp->virt; if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) vport->ct_flags |= FC_CT_RSPN_ID; } lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } static void lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; if (irsp->ulpStatus == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; outp = (struct lpfc_dmabuf *) cmdiocb->context2; CTrsp = (struct lpfc_sli_ct_request *) outp->virt; if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) vport->ct_flags |= FC_CT_RSNN_NN; } lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } static void lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; /* even if it fails we will act as though it succeeded. */ vport->ct_flags = 0; lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } static void lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; if (irsp->ulpStatus == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; outp = (struct lpfc_dmabuf *) cmdiocb->context2; CTrsp = (struct lpfc_sli_ct_request *) outp->virt; if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) vport->ct_flags |= FC_CT_RFF_ID; } lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } int lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol, size_t size) { int n; uint8_t *wwn = vport->phba->wwpn; n = snprintf(symbol, size, "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", wwn[0], wwn[1], wwn[2], wwn[3], wwn[4], wwn[5], wwn[6], wwn[7]); if (vport->port_type == LPFC_PHYSICAL_PORT) return n; if (n < size) n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi); if (n < size && strlen(vport->fc_vport->symbolic_name)) n += snprintf(symbol + n, size - n, " VName-%s", vport->fc_vport->symbolic_name); return n; } int lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol, size_t size) { char fwrev[16]; int n; lpfc_decode_firmware_rev(vport->phba, fwrev, 0); n = snprintf(symbol, size, "Emulex %s FV%s DV%s", vport->phba->ModelName, fwrev, lpfc_release_version); return n; } /* * lpfc_ns_cmd * Description: * Issue Cmd to NameServer * SLI_CTNS_GID_FT * LI_CTNS_RFT_ID */ int lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, uint8_t retry, uint32_t context) { struct lpfc_nodelist * ndlp; struct lpfc_hba *phba = vport->phba; struct lpfc_dmabuf *mp, *bmp; struct lpfc_sli_ct_request *CtReq; struct ulp_bde64 *bpl; void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *) = NULL; uint32_t rsp_size = 1024; size_t size; int rc = 0; ndlp = lpfc_findnode_did(vport, NameServer_DID); if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) { rc=1; goto ns_cmd_exit; } /* fill in BDEs for command */ /* Allocate buffer for command payload */ mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (!mp) { rc=2; goto ns_cmd_exit; } INIT_LIST_HEAD(&mp->list); mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); if (!mp->virt) { rc=3; goto ns_cmd_free_mp; } /* Allocate buffer for Buffer ptr list */ bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (!bmp) { rc=4; goto ns_cmd_free_mpvirt; } INIT_LIST_HEAD(&bmp->list); bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys)); if (!bmp->virt) { rc=5; goto ns_cmd_free_bmp; } /* NameServer Req */ lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY, "0236 NameServer Req Data: x%x x%x x%x\n", cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt); bpl = (struct ulp_bde64 *) bmp->virt; memset(bpl, 0, sizeof(struct ulp_bde64)); bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); bpl->tus.f.bdeFlags = 0; if (cmdcode == SLI_CTNS_GID_FT) bpl->tus.f.bdeSize = GID_REQUEST_SZ; else if (cmdcode == SLI_CTNS_GFF_ID) bpl->tus.f.bdeSize = GFF_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RFT_ID) bpl->tus.f.bdeSize = RFT_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RNN_ID) bpl->tus.f.bdeSize = RNN_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RSPN_ID) bpl->tus.f.bdeSize = RSPN_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RSNN_NN) bpl->tus.f.bdeSize = RSNN_REQUEST_SZ; else if (cmdcode == SLI_CTNS_DA_ID) bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RFF_ID) bpl->tus.f.bdeSize = RFF_REQUEST_SZ; else bpl->tus.f.bdeSize = 0; bpl->tus.w = le32_to_cpu(bpl->tus.w); CtReq = (struct lpfc_sli_ct_request *) mp->virt; memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request)); CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; CtReq->RevisionId.bits.InId = 0; CtReq->FsType = SLI_CT_DIRECTORY_SERVICE; CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER; CtReq->CommandResponse.bits.Size = 0; switch (cmdcode) { case SLI_CTNS_GID_FT: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_GID_FT); CtReq->un.gid.Fc4Type = SLI_CTPT_FCP; if (vport->port_state < LPFC_NS_QRY) vport->port_state = LPFC_NS_QRY; lpfc_set_disctmo(vport); cmpl = lpfc_cmpl_ct_cmd_gid_ft; rsp_size = FC_MAX_NS_RSP; break; case SLI_CTNS_GFF_ID: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_GFF_ID); CtReq->un.gff.PortId = cpu_to_be32(context); cmpl = lpfc_cmpl_ct_cmd_gff_id; break; case SLI_CTNS_RFT_ID: vport->ct_flags &= ~FC_CT_RFT_ID; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RFT_ID); CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID); CtReq->un.rft.fcpReg = 1; cmpl = lpfc_cmpl_ct_cmd_rft_id; break; case SLI_CTNS_RNN_ID: vport->ct_flags &= ~FC_CT_RNN_ID; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RNN_ID); CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID); memcpy(CtReq->un.rnn.wwnn, &vport->fc_nodename, sizeof (struct lpfc_name)); cmpl = lpfc_cmpl_ct_cmd_rnn_id; break; case SLI_CTNS_RSPN_ID: vport->ct_flags &= ~FC_CT_RSPN_ID; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RSPN_ID); CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID); size = sizeof(CtReq->un.rspn.symbname); CtReq->un.rspn.len = lpfc_vport_symbolic_port_name(vport, CtReq->un.rspn.symbname, size); cmpl = lpfc_cmpl_ct_cmd_rspn_id; break; case SLI_CTNS_RSNN_NN: vport->ct_flags &= ~FC_CT_RSNN_NN; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RSNN_NN); memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename, sizeof (struct lpfc_name)); size = sizeof(CtReq->un.rsnn.symbname); CtReq->un.rsnn.len = lpfc_vport_symbolic_node_name(vport, CtReq->un.rsnn.symbname, size); cmpl = lpfc_cmpl_ct_cmd_rsnn_nn; break; case SLI_CTNS_DA_ID: /* Implement DA_ID Nameserver request */ CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_DA_ID); CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID); cmpl = lpfc_cmpl_ct_cmd_da_id; break; case SLI_CTNS_RFF_ID: vport->ct_flags &= ~FC_CT_RFF_ID; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RFF_ID); CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID); CtReq->un.rff.fbits = FC4_FEATURE_INIT; CtReq->un.rff.type_code = FC_TYPE_FCP; cmpl = lpfc_cmpl_ct_cmd_rff_id; break; } /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count * to hold ndlp reference for the corresponding callback function. */ if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) { /* On success, The cmpl function will free the buffers */ lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "Issue CT cmd: cmd:x%x did:x%x", cmdcode, ndlp->nlp_DID, 0); return 0; } rc=6; /* Decrement ndlp reference count to release ndlp reference held * for the failed command's callback function. */ lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, bmp->virt, bmp->phys); ns_cmd_free_bmp: kfree(bmp); ns_cmd_free_mpvirt: lpfc_mbuf_free(phba, mp->virt, mp->phys); ns_cmd_free_mp: kfree(mp); ns_cmd_exit: lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n", cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt); return 1; } static void lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq * rspiocb) { struct lpfc_dmabuf *inp = cmdiocb->context1; struct lpfc_dmabuf *outp = cmdiocb->context2; struct lpfc_sli_ct_request *CTrsp = outp->virt; struct lpfc_sli_ct_request *CTcmd = inp->virt; struct lpfc_nodelist *ndlp; uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp; uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp; struct lpfc_vport *vport = cmdiocb->vport; IOCB_t *irsp = &rspiocb->iocb; uint32_t latt; latt = lpfc_els_chk_latt(vport); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "FDMI cmpl: status:x%x/x%x latt:%d", irsp->ulpStatus, irsp->un.ulpWord[4], latt); if (latt || irsp->ulpStatus) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0229 FDMI cmd %04x failed, latt = %d " "ulpStatus: x%x, rid x%x\n", be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus, irsp->un.ulpWord[4]); lpfc_ct_free_iocb(phba, cmdiocb); return; } ndlp = lpfc_findnode_did(vport, FDMI_DID); if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) goto fail_out; if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { /* FDMI rsp failed */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0220 FDMI rsp failed Data: x%x\n", be16_to_cpu(fdmi_cmd)); } switch (be16_to_cpu(fdmi_cmd)) { case SLI_MGMT_RHBA: lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA); break; case SLI_MGMT_RPA: break; case SLI_MGMT_DHBA: lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT); break; case SLI_MGMT_DPRT: lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA); break; } fail_out: lpfc_ct_free_iocb(phba, cmdiocb); return; } int lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode) { struct lpfc_hba *phba = vport->phba; struct lpfc_dmabuf *mp, *bmp; struct lpfc_sli_ct_request *CtReq; struct ulp_bde64 *bpl; uint32_t size; REG_HBA *rh; PORT_ENTRY *pe; REG_PORT_ATTRIBUTE *pab; ATTRIBUTE_BLOCK *ab; ATTRIBUTE_ENTRY *ae; void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *); /* fill in BDEs for command */ /* Allocate buffer for command payload */ mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (!mp) goto fdmi_cmd_exit; mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys)); if (!mp->virt) goto fdmi_cmd_free_mp; /* Allocate buffer for Buffer ptr list */ bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (!bmp) goto fdmi_cmd_free_mpvirt; bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys)); if (!bmp->virt) goto fdmi_cmd_free_bmp; INIT_LIST_HEAD(&mp->list); INIT_LIST_HEAD(&bmp->list); /* FDMI request */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0218 FDMI Request Data: x%x x%x x%x\n", vport->fc_flag, vport->port_state, cmdcode); CtReq = (struct lpfc_sli_ct_request *) mp->virt; memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request)); CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; CtReq->RevisionId.bits.InId = 0; CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE; CtReq->FsSubType = SLI_CT_FDMI_Subtypes; size = 0; switch (cmdcode) { case SLI_MGMT_RHBA: { lpfc_vpd_t *vp = &phba->vpd; uint32_t i, j, incr; int len; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_RHBA); CtReq->CommandResponse.bits.Size = 0; rh = (REG_HBA *) & CtReq->un.PortID; memcpy(&rh->hi.PortName, &vport->fc_sparam.portName, sizeof (struct lpfc_name)); /* One entry (port) per adapter */ rh->rpl.EntryCnt = be32_to_cpu(1); memcpy(&rh->rpl.pe, &vport->fc_sparam.portName, sizeof (struct lpfc_name)); /* point to the HBA attribute block */ size = 2 * sizeof (struct lpfc_name) + FOURBYTES; ab = (ATTRIBUTE_BLOCK *) ((uint8_t *) rh + size); ab->EntryCnt = 0; /* Point to the beginning of the first HBA attribute entry */ /* #1 HBA attribute entry */ size += FOURBYTES; ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(NODE_NAME); ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + sizeof (struct lpfc_name)); memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName, sizeof (struct lpfc_name)); ab->EntryCnt++; size += FOURBYTES + sizeof (struct lpfc_name); /* #2 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(MANUFACTURER); strcpy(ae->un.Manufacturer, "Emulex Corporation"); len = strlen(ae->un.Manufacturer); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); ab->EntryCnt++; size += FOURBYTES + len; /* #3 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(SERIAL_NUMBER); strcpy(ae->un.SerialNumber, phba->SerialNumber); len = strlen(ae->un.SerialNumber); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); ab->EntryCnt++; size += FOURBYTES + len; /* #4 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(MODEL); strcpy(ae->un.Model, phba->ModelName); len = strlen(ae->un.Model); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); ab->EntryCnt++; size += FOURBYTES + len; /* #5 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(MODEL_DESCRIPTION); strcpy(ae->un.ModelDescription, phba->ModelDesc); len = strlen(ae->un.ModelDescription); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); ab->EntryCnt++; size += FOURBYTES + len; /* #6 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(HARDWARE_VERSION); ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 8); /* Convert JEDEC ID to ascii for hardware version */ incr = vp->rev.biuRev; for (i = 0; i < 8; i++) { j = (incr & 0xf); if (j <= 9) ae->un.HardwareVersion[7 - i] = (char)((uint8_t) 0x30 + (uint8_t) j); else ae->un.HardwareVersion[7 - i] = (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); incr = (incr >> 4); } ab->EntryCnt++; size += FOURBYTES + 8; /* #7 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(DRIVER_VERSION); strcpy(ae->un.DriverVersion, lpfc_release_version); len = strlen(ae->un.DriverVersion); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); ab->EntryCnt++; size += FOURBYTES + len; /* #8 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(OPTION_ROM_VERSION); strcpy(ae->un.OptionROMVersion, phba->OptionROMVersion); len = strlen(ae->un.OptionROMVersion); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); ab->EntryCnt++; size += FOURBYTES + len; /* #9 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(FIRMWARE_VERSION); lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion, 1); len = strlen(ae->un.FirmwareVersion); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); ab->EntryCnt++; size += FOURBYTES + len; /* #10 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION); sprintf(ae->un.OsNameVersion, "%s %s %s", init_utsname()->sysname, init_utsname()->release, init_utsname()->version); len = strlen(ae->un.OsNameVersion); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); ab->EntryCnt++; size += FOURBYTES + len; /* #11 HBA attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(MAX_CT_PAYLOAD_LEN); ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); ae->un.MaxCTPayloadLen = (65 * 4096); ab->EntryCnt++; size += FOURBYTES + 4; ab->EntryCnt = be32_to_cpu(ab->EntryCnt); /* Total size */ size = GID_REQUEST_SZ - 4 + size; } break; case SLI_MGMT_RPA: { lpfc_vpd_t *vp; struct serv_parm *hsp; int len; vp = &phba->vpd; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_RPA); CtReq->CommandResponse.bits.Size = 0; pab = (REG_PORT_ATTRIBUTE *) & CtReq->un.PortID; size = sizeof (struct lpfc_name) + FOURBYTES; memcpy((uint8_t *) & pab->PortName, (uint8_t *) & vport->fc_sparam.portName, sizeof (struct lpfc_name)); pab->ab.EntryCnt = 0; /* #1 Port attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_FC4_TYPES); ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 32); ae->un.SupportFC4Types[2] = 1; ae->un.SupportFC4Types[7] = 1; pab->ab.EntryCnt++; size += FOURBYTES + 32; /* #2 Port attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); ae->ad.bits.AttrType = be16_to_cpu(SUPPORTED_SPEED); ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); ae->un.SupportSpeed = 0; if (phba->lmt & LMT_16Gb) ae->un.SupportSpeed |= HBA_PORTSPEED_16GBIT; if (phba->lmt & LMT_10Gb) ae->un.SupportSpeed |= HBA_PORTSPEED_10GBIT; if (phba->lmt & LMT_8Gb) ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT; if (phba->lmt & LMT_4Gb) ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT; if (phba->lmt & LMT_2Gb) ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT; if (phba->lmt & LMT_1Gb) ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT; pab->ab.EntryCnt++; size += FOURBYTES + 4; /* #3 Port attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); ae->ad.bits.AttrType = be16_to_cpu(PORT_SPEED); ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); switch(phba->fc_linkspeed) { case LPFC_LINK_SPEED_1GHZ: ae->un.PortSpeed = HBA_PORTSPEED_1GBIT; break; case LPFC_LINK_SPEED_2GHZ: ae->un.PortSpeed = HBA_PORTSPEED_2GBIT; break; case LPFC_LINK_SPEED_4GHZ: ae->un.PortSpeed = HBA_PORTSPEED_4GBIT; break; case LPFC_LINK_SPEED_8GHZ: ae->un.PortSpeed = HBA_PORTSPEED_8GBIT; break; case LPFC_LINK_SPEED_10GHZ: ae->un.PortSpeed = HBA_PORTSPEED_10GBIT; break; case LPFC_LINK_SPEED_16GHZ: ae->un.PortSpeed = HBA_PORTSPEED_16GBIT; break; default: ae->un.PortSpeed = HBA_PORTSPEED_UNKNOWN; break; } pab->ab.EntryCnt++; size += FOURBYTES + 4; /* #4 Port attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); ae->ad.bits.AttrType = be16_to_cpu(MAX_FRAME_SIZE); ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + 4); hsp = (struct serv_parm *) & vport->fc_sparam; ae->un.MaxFrameSize = (((uint32_t) hsp->cmn. bbRcvSizeMsb) << 8) | (uint32_t) hsp->cmn. bbRcvSizeLsb; pab->ab.EntryCnt++; size += FOURBYTES + 4; /* #5 Port attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); ae->ad.bits.AttrType = be16_to_cpu(OS_DEVICE_NAME); strcpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME); len = strlen((char *)ae->un.OsDeviceName); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); pab->ab.EntryCnt++; size += FOURBYTES + len; if (vport->cfg_fdmi_on == 2) { /* #6 Port attribute entry */ ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) pab + size); ae->ad.bits.AttrType = be16_to_cpu(HOST_NAME); sprintf(ae->un.HostName, "%s", init_utsname()->nodename); len = strlen(ae->un.HostName); len += (len & 3) ? (4 - (len & 3)) : 4; ae->ad.bits.AttrLen = be16_to_cpu(FOURBYTES + len); pab->ab.EntryCnt++; size += FOURBYTES + len; } pab->ab.EntryCnt = be32_to_cpu(pab->ab.EntryCnt); /* Total size */ size = GID_REQUEST_SZ - 4 + size; } break; case SLI_MGMT_DHBA: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DHBA); CtReq->CommandResponse.bits.Size = 0; pe = (PORT_ENTRY *) & CtReq->un.PortID; memcpy((uint8_t *) & pe->PortName, (uint8_t *) & vport->fc_sparam.portName, sizeof (struct lpfc_name)); size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name); break; case SLI_MGMT_DPRT: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_MGMT_DPRT); CtReq->CommandResponse.bits.Size = 0; pe = (PORT_ENTRY *) & CtReq->un.PortID; memcpy((uint8_t *) & pe->PortName, (uint8_t *) & vport->fc_sparam.portName, sizeof (struct lpfc_name)); size = GID_REQUEST_SZ - 4 + sizeof (struct lpfc_name); break; } bpl = (struct ulp_bde64 *) bmp->virt; bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); bpl->tus.f.bdeFlags = 0; bpl->tus.f.bdeSize = size; bpl->tus.w = le32_to_cpu(bpl->tus.w); cmpl = lpfc_cmpl_ct_cmd_fdmi; /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count * to hold ndlp reference for the corresponding callback function. */ if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0)) return 0; /* Decrement ndlp reference count to release ndlp reference held * for the failed command's callback function. */ lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, bmp->virt, bmp->phys); fdmi_cmd_free_bmp: kfree(bmp); fdmi_cmd_free_mpvirt: lpfc_mbuf_free(phba, mp->virt, mp->phys); fdmi_cmd_free_mp: kfree(mp); fdmi_cmd_exit: /* Issue FDMI request failed */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0244 Issue FDMI request failed Data: x%x\n", cmdcode); return 1; } /** * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer. * @ptr - Context object of the timer. * * This function set the WORKER_DELAYED_DISC_TMO flag and wake up * the worker thread. **/ void lpfc_delayed_disc_tmo(unsigned long ptr) { struct lpfc_vport *vport = (struct lpfc_vport *)ptr; struct lpfc_hba *phba = vport->phba; uint32_t tmo_posted; unsigned long iflag; spin_lock_irqsave(&vport->work_port_lock, iflag); tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO; if (!tmo_posted) vport->work_port_events |= WORKER_DELAYED_DISC_TMO; spin_unlock_irqrestore(&vport->work_port_lock, iflag); if (!tmo_posted) lpfc_worker_wake_up(phba); return; } /** * lpfc_delayed_disc_timeout_handler - Function called by worker thread to * handle delayed discovery. * @vport: pointer to a host virtual N_Port data structure. * * This function start nport discovery of the vport. **/ void lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport) { struct Scsi_Host *shost = lpfc_shost_from_vport(vport); spin_lock_irq(shost->host_lock); if (!(vport->fc_flag & FC_DISC_DELAYED)) { spin_unlock_irq(shost->host_lock); return; } vport->fc_flag &= ~FC_DISC_DELAYED; spin_unlock_irq(shost->host_lock); lpfc_do_scr_ns_plogi(vport->phba, vport); } void lpfc_fdmi_tmo(unsigned long ptr) { struct lpfc_vport *vport = (struct lpfc_vport *)ptr; struct lpfc_hba *phba = vport->phba; uint32_t tmo_posted; unsigned long iflag; spin_lock_irqsave(&vport->work_port_lock, iflag); tmo_posted = vport->work_port_events & WORKER_FDMI_TMO; if (!tmo_posted) vport->work_port_events |= WORKER_FDMI_TMO; spin_unlock_irqrestore(&vport->work_port_lock, iflag); if (!tmo_posted) lpfc_worker_wake_up(phba); return; } void lpfc_fdmi_timeout_handler(struct lpfc_vport *vport) { struct lpfc_nodelist *ndlp; ndlp = lpfc_findnode_did(vport, FDMI_DID); if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { if (init_utsname()->nodename[0] != '\0') lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); else mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); } return; } void lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag) { struct lpfc_sli *psli = &phba->sli; lpfc_vpd_t *vp = &phba->vpd; uint32_t b1, b2, b3, b4, i, rev; char c; uint32_t *ptr, str[4]; uint8_t *fwname; if (phba->sli_rev == LPFC_SLI_REV4) sprintf(fwrevision, "%s", vp->rev.opFwName); else if (vp->rev.rBit) { if (psli->sli_flag & LPFC_SLI_ACTIVE) rev = vp->rev.sli2FwRev; else rev = vp->rev.sli1FwRev; b1 = (rev & 0x0000f000) >> 12; b2 = (rev & 0x00000f00) >> 8; b3 = (rev & 0x000000c0) >> 6; b4 = (rev & 0x00000030) >> 4; switch (b4) { case 0: c = 'N'; break; case 1: c = 'A'; break; case 2: c = 'B'; break; case 3: c = 'X'; break; default: c = 0; break; } b4 = (rev & 0x0000000f); if (psli->sli_flag & LPFC_SLI_ACTIVE) fwname = vp->rev.sli2FwName; else fwname = vp->rev.sli1FwName; for (i = 0; i < 16; i++) if (fwname[i] == 0x20) fwname[i] = 0; ptr = (uint32_t*)fwname; for (i = 0; i < 3; i++) str[i] = be32_to_cpu(*ptr++); if (c == 0) { if (flag) sprintf(fwrevision, "%d.%d%d (%s)", b1, b2, b3, (char *)str); else sprintf(fwrevision, "%d.%d%d", b1, b2, b3); } else { if (flag) sprintf(fwrevision, "%d.%d%d%c%d (%s)", b1, b2, b3, c, b4, (char *)str); else sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4); } } else { rev = vp->rev.smFwRev; b1 = (rev & 0xff000000) >> 24; b2 = (rev & 0x00f00000) >> 20; b3 = (rev & 0x000f0000) >> 16; c = (rev & 0x0000ff00) >> 8; b4 = (rev & 0x000000ff); sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4); } return; }