/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2004-2005 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 */ #include <linux/blkdev.h> #include <linux/pci.h> #include <linux/interrupt.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 "lpfc_hw.h" #include "lpfc_sli.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" #include "lpfc_logmsg.h" #include "lpfc_crtn.h" #include "lpfc_version.h" #define HBA_PORTSPEED_UNKNOWN 0 /* Unknown - transceiver * incapable of reporting */ #define HBA_PORTSPEED_1GBIT 1 /* 1 GBit/sec */ #define HBA_PORTSPEED_2GBIT 2 /* 2 GBit/sec */ #define HBA_PORTSPEED_4GBIT 8 /* 4 GBit/sec */ #define HBA_PORTSPEED_8GBIT 16 /* 8 GBit/sec */ #define HBA_PORTSPEED_10GBIT 4 /* 10 GBit/sec */ #define HBA_PORTSPEED_NOT_NEGOTIATED 5 /* Speed not established */ #define FOURBYTES 4 static char *lpfc_release_version = LPFC_DRIVER_VERSION; /* * lpfc_ct_unsol_event */ void lpfc_ct_unsol_event(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocbq) { struct lpfc_iocbq *next_piocbq; struct lpfc_dmabuf *pmbuf = NULL; struct lpfc_dmabuf *matp, *next_matp; uint32_t ctx = 0, size = 0, cnt = 0; IOCB_t *icmd = &piocbq->iocb; IOCB_t *save_icmd = icmd; int i, go_exit = 0; struct list_head head; 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++; lpfc_post_buffer(phba, pring, 0, 1); return; } /* If there are no BDEs associated with this IOCB, * there is nothing to do. */ if (icmd->ulpBdeCount == 0) return; INIT_LIST_HEAD(&head); list_add_tail(&head, &piocbq->list); list_for_each_entry_safe(piocbq, next_piocbq, &head, list) { icmd = &piocbq->iocb; if (ctx == 0) ctx = (uint32_t) (icmd->ulpContext); if (icmd->ulpBdeCount == 0) continue; for (i = 0; i < icmd->ulpBdeCount; i++) { matp = lpfc_sli_ringpostbuf_get(phba, pring, getPaddr(icmd->un. cont64[i]. addrHigh, icmd->un. cont64[i]. addrLow)); if (!matp) { /* Insert lpfc log message here */ lpfc_post_buffer(phba, pring, cnt, 1); go_exit = 1; goto ct_unsol_event_exit_piocbq; } /* Typically for Unsolicited CT requests */ if (!pmbuf) { pmbuf = matp; INIT_LIST_HEAD(&pmbuf->list); } else list_add_tail(&matp->list, &pmbuf->list); size += icmd->un.cont64[i].tus.f.bdeSize; cnt++; } icmd->ulpBdeCount = 0; } lpfc_post_buffer(phba, pring, cnt, 1); if (save_icmd->ulpStatus) { go_exit = 1; } ct_unsol_event_exit_piocbq: if (pmbuf) { list_for_each_entry_safe(matp, next_matp, &pmbuf->list, list) { lpfc_mbuf_free(phba, matp->virt, matp->phys); list_del(&matp->list); kfree(matp); } lpfc_mbuf_free(phba, pmbuf->virt, pmbuf->phys); kfree(pmbuf); } return; } 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 chucks 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)) 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); 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_USE_RCV; /* 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; } static int lpfc_gen_req(struct lpfc_hba *phba, 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) { struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; IOCB_t *icmd; struct lpfc_iocbq *geniocb; /* Allocate buffer for command iocb */ spin_lock_irq(phba->host->host_lock); geniocb = lpfc_sli_get_iocbq(phba); spin_unlock_irq(phba->host->host_lock); 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_BDL; 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; /* 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_UNSOL_CTL; icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP; 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; /* Issue GEN REQ IOCB for NPORT <did> */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:0119 Issue GEN REQ IOCB for NPORT x%x " "Data: x%x x%x\n", phba->brd_no, icmd->un.ulpWord[5], icmd->ulpIoTag, phba->hba_state); geniocb->iocb_cmpl = cmpl; geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT; spin_lock_irq(phba->host->host_lock); if (lpfc_sli_issue_iocb(phba, pring, geniocb, 0) == IOCB_ERROR) { lpfc_sli_release_iocbq(phba, geniocb); spin_unlock_irq(phba->host->host_lock); return 1; } spin_unlock_irq(phba->host->host_lock); return 0; } static int lpfc_ct_cmd(struct lpfc_hba *phba, 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) { 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; status = lpfc_gen_req(phba, bmp, inmp, outmp, cmpl, ndlp, 0, cnt+1, 0); if (status) { lpfc_free_ct_rsp(phba, outmp); return -ENOMEM; } return 0; } static int lpfc_ns_rsp(struct lpfc_hba * phba, struct lpfc_dmabuf * mp, uint32_t Size) { 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; uint32_t CTentry; int Cnt; struct list_head head; lpfc_set_disctmo(phba); Cnt = Size > FCELSSIZE ? FCELSSIZE : Size; list_add_tail(&head, &mp->list); list_for_each_entry_safe(mp, next_mp, &head, list) { mlast = mp; 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) { /* Get next DID from NameServer List */ CTentry = *ctptr++; Did = ((be32_to_cpu(CTentry)) & Mask_DID); ndlp = NULL; if (Did != phba->fc_myDID) { /* Check for rscn processing or not */ ndlp = lpfc_setup_disc_node(phba, Did); } /* Mark all node table entries that are in the Nameserver */ if (ndlp) { /* NameServer Rsp */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0238 Process x%x NameServer" " Rsp Data: x%x x%x x%x\n", phba->brd_no, Did, ndlp->nlp_flag, phba->fc_flag, phba->fc_rscn_id_cnt); } else { /* NameServer Rsp */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0239 Skip x%x NameServer " "Rsp Data: x%x x%x x%x\n", phba->brd_no, Did, Size, phba->fc_flag, phba->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); /* Here we are finished in the case RSCN */ if (phba->hba_state == LPFC_HBA_READY) { lpfc_els_flush_rscn(phba); spin_lock_irq(phba->host->host_lock); phba->fc_flag |= FC_RSCN_MODE; /* we are still in RSCN mode */ spin_unlock_irq(phba->host->host_lock); } return 0; } static void lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) { IOCB_t *irsp; struct lpfc_sli *psli; struct lpfc_dmabuf *bmp; struct lpfc_dmabuf *inp; struct lpfc_dmabuf *outp; struct lpfc_nodelist *ndlp; struct lpfc_sli_ct_request *CTrsp; psli = &phba->sli; /* 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; bmp = (struct lpfc_dmabuf *) cmdiocb->context3; irsp = &rspiocb->iocb; if (irsp->ulpStatus) { if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_DOWN) || (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED))) { goto out; } /* Check for retry */ if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { phba->fc_ns_retry++; /* CT command is being retried */ ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, NameServer_DID); if (ndlp) { if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) { goto out; } } } } 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_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0239 NameServer Rsp " "Data: x%x\n", phba->brd_no, phba->fc_flag); lpfc_ns_rsp(phba, 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 */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0240 NameServer Rsp Error " "Data: x%x x%x x%x x%x\n", phba->brd_no, CTrsp->CommandResponse.bits.CmdRsp, (uint32_t) CTrsp->ReasonCode, (uint32_t) CTrsp->Explanation, phba->fc_flag); } else { /* NameServer Rsp Error */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0241 NameServer Rsp Error " "Data: x%x x%x x%x x%x\n", phba->brd_no, CTrsp->CommandResponse.bits.CmdRsp, (uint32_t) CTrsp->ReasonCode, (uint32_t) CTrsp->Explanation, phba->fc_flag); } } /* Link up / RSCN discovery */ lpfc_disc_start(phba); out: lpfc_free_ct_rsp(phba, outp); lpfc_mbuf_free(phba, inp->virt, inp->phys); lpfc_mbuf_free(phba, bmp->virt, bmp->phys); kfree(inp); kfree(bmp); spin_lock_irq(phba->host->host_lock); lpfc_sli_release_iocbq(phba, cmdiocb); spin_unlock_irq(phba->host->host_lock); return; } static void lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) { struct lpfc_sli *psli; struct lpfc_dmabuf *bmp; struct lpfc_dmabuf *inp; struct lpfc_dmabuf *outp; IOCB_t *irsp; struct lpfc_sli_ct_request *CTrsp; psli = &phba->sli; /* 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; bmp = (struct lpfc_dmabuf *) cmdiocb->context3; irsp = &rspiocb->iocb; CTrsp = (struct lpfc_sli_ct_request *) outp->virt; /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0209 RFT request completes ulpStatus x%x " "CmdRsp x%x\n", phba->brd_no, irsp->ulpStatus, CTrsp->CommandResponse.bits.CmdRsp); lpfc_free_ct_rsp(phba, outp); lpfc_mbuf_free(phba, inp->virt, inp->phys); lpfc_mbuf_free(phba, bmp->virt, bmp->phys); kfree(inp); kfree(bmp); spin_lock_irq(phba->host->host_lock); lpfc_sli_release_iocbq(phba, cmdiocb); spin_unlock_irq(phba->host->host_lock); return; } static void lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) { lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); return; } static void lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) { lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); return; } void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp) { char fwrev[16]; lpfc_decode_firmware_rev(phba, fwrev, 0); if (phba->Port[0]) { sprintf(symbp, "Emulex %s Port %s FV%s DV%s", phba->ModelName, phba->Port, fwrev, lpfc_release_version); } else { sprintf(symbp, "Emulex %s FV%s DV%s", phba->ModelName, fwrev, lpfc_release_version); } } /* * lpfc_ns_cmd * Description: * Issue Cmd to NameServer * SLI_CTNS_GID_FT * LI_CTNS_RFT_ID */ int lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) { 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; /* fill in BDEs for command */ /* Allocate buffer for command payload */ mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (!mp) goto ns_cmd_exit; INIT_LIST_HEAD(&mp->list); mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); if (!mp->virt) goto ns_cmd_free_mp; /* Allocate buffer for Buffer ptr list */ bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (!bmp) goto ns_cmd_free_mpvirt; INIT_LIST_HEAD(&bmp->list); bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys)); if (!bmp->virt) goto ns_cmd_free_bmp; /* NameServer Req */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0236 NameServer Req Data: x%x x%x x%x\n", phba->brd_no, cmdcode, phba->fc_flag, phba->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_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_RSNN_NN) bpl->tus.f.bdeSize = RSNN_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 (phba->hba_state < LPFC_HBA_READY) phba->hba_state = LPFC_NS_QRY; lpfc_set_disctmo(phba); cmpl = lpfc_cmpl_ct_cmd_gid_ft; rsp_size = FC_MAX_NS_RSP; break; case SLI_CTNS_RFT_ID: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RFT_ID); CtReq->un.rft.PortId = be32_to_cpu(phba->fc_myDID); CtReq->un.rft.fcpReg = 1; cmpl = lpfc_cmpl_ct_cmd_rft_id; break; case SLI_CTNS_RNN_ID: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RNN_ID); CtReq->un.rnn.PortId = be32_to_cpu(phba->fc_myDID); memcpy(CtReq->un.rnn.wwnn, &phba->fc_nodename, sizeof (struct lpfc_name)); cmpl = lpfc_cmpl_ct_cmd_rnn_id; break; case SLI_CTNS_RSNN_NN: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RSNN_NN); memcpy(CtReq->un.rsnn.wwnn, &phba->fc_nodename, sizeof (struct lpfc_name)); lpfc_get_hba_sym_node_name(phba, CtReq->un.rsnn.symbname); CtReq->un.rsnn.len = strlen(CtReq->un.rsnn.symbname); cmpl = lpfc_cmpl_ct_cmd_rsnn_nn; break; } if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, rsp_size)) /* On success, The cmpl function will free the buffers */ return 0; 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: return 1; } static void lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, struct lpfc_iocbq * rspiocb) { struct lpfc_dmabuf *bmp = cmdiocb->context3; 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; ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID); if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { /* FDMI rsp failed */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0220 FDMI rsp failed Data: x%x\n", phba->brd_no, be16_to_cpu(fdmi_cmd)); } switch (be16_to_cpu(fdmi_cmd)) { case SLI_MGMT_RHBA: lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RPA); break; case SLI_MGMT_RPA: break; case SLI_MGMT_DHBA: lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DPRT); break; case SLI_MGMT_DPRT: lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_RHBA); break; } lpfc_free_ct_rsp(phba, outp); lpfc_mbuf_free(phba, inp->virt, inp->phys); lpfc_mbuf_free(phba, bmp->virt, bmp->phys); kfree(inp); kfree(bmp); spin_lock_irq(phba->host->host_lock); lpfc_sli_release_iocbq(phba, cmdiocb); spin_unlock_irq(phba->host->host_lock); return; } int lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) { 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_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0218 FDMI Request Data: x%x x%x x%x\n", phba->brd_no, phba->fc_flag, phba->hba_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, &phba->fc_sparam.portName, sizeof (struct lpfc_name)); /* One entry (port) per adapter */ rh->rpl.EntryCnt = be32_to_cpu(1); memcpy(&rh->rpl.pe, &phba->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, &phba->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", system_utsname.sysname, system_utsname.release, system_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 *) & phba->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); if (FC_JEDEC_ID(vp->rev.biuRev) == VIPER_JEDEC_ID) ae->un.SupportSpeed = HBA_PORTSPEED_10GBIT; else if (FC_JEDEC_ID(vp->rev.biuRev) == HELIOS_JEDEC_ID) ae->un.SupportSpeed = HBA_PORTSPEED_4GBIT; else if ((FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) || (FC_JEDEC_ID(vp->rev.biuRev) == PEGASUS_JEDEC_ID) || (FC_JEDEC_ID(vp->rev.biuRev) == THOR_JEDEC_ID)) ae->un.SupportSpeed = HBA_PORTSPEED_2GBIT; else 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 LA_1GHZ_LINK: ae->un.PortSpeed = HBA_PORTSPEED_1GBIT; break; case LA_2GHZ_LINK: ae->un.PortSpeed = HBA_PORTSPEED_2GBIT; break; case LA_4GHZ_LINK: ae->un.PortSpeed = HBA_PORTSPEED_4GBIT; 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 *) & phba->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 (phba->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", system_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 *) & phba->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 *) & phba->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; if (!lpfc_ct_cmd(phba, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP)) return 0; 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_log(phba, KERN_INFO, LOG_DISCOVERY, "%d:0244 Issue FDMI request failed Data: x%x\n", phba->brd_no, cmdcode); return 1; } void lpfc_fdmi_tmo(unsigned long ptr) { struct lpfc_hba *phba = (struct lpfc_hba *)ptr; unsigned long iflag; spin_lock_irqsave(phba->host->host_lock, iflag); if (!(phba->work_hba_events & WORKER_FDMI_TMO)) { phba->work_hba_events |= WORKER_FDMI_TMO; if (phba->work_wait) wake_up(phba->work_wait); } spin_unlock_irqrestore(phba->host->host_lock,iflag); } void lpfc_fdmi_tmo_handler(struct lpfc_hba *phba) { struct lpfc_nodelist *ndlp; spin_lock_irq(phba->host->host_lock); if (!(phba->work_hba_events & WORKER_FDMI_TMO)) { spin_unlock_irq(phba->host->host_lock); return; } ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID); if (ndlp) { if (system_utsname.nodename[0] != '\0') { lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); } else { mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); } } spin_unlock_irq(phba->host->host_lock); 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 (vp->rev.rBit) { if (psli->sli_flag & LPFC_SLI2_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; default: c = 0; break; } b4 = (rev & 0x0000000f); if (psli->sli_flag & LPFC_SLI2_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); if (flag) sprintf(fwrevision, "%d.%d%d%c%d ", b1, b2, b3, c, b4); else sprintf(fwrevision, "%d.%d%d%c%d ", b1, b2, b3, c, b4); } return; }