diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_ct.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_ct.c | 3825 |
1 files changed, 3825 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c new file mode 100644 index 000000000..baae1f827 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -0,0 +1,3825 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Fibre Channel Host Bus Adapters. * + * Copyright (C) 2017-2023 Broadcom. All Rights Reserved. The term * + * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * + * Copyright (C) 2004-2016 Emulex. All rights reserved. * + * EMULEX and SLI are trademarks of Emulex. * + * www.broadcom.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.h" +#include "lpfc_scsi.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 - FC-GS-7 */ +#define HBA_PORTSPEED_1GFC 0x00000001 /* 1G FC */ +#define HBA_PORTSPEED_2GFC 0x00000002 /* 2G FC */ +#define HBA_PORTSPEED_4GFC 0x00000008 /* 4G FC */ +#define HBA_PORTSPEED_10GFC 0x00000004 /* 10G FC */ +#define HBA_PORTSPEED_8GFC 0x00000010 /* 8G FC */ +#define HBA_PORTSPEED_16GFC 0x00000020 /* 16G FC */ +#define HBA_PORTSPEED_32GFC 0x00000040 /* 32G FC */ +#define HBA_PORTSPEED_20GFC 0x00000080 /* 20G FC */ +#define HBA_PORTSPEED_40GFC 0x00000100 /* 40G FC */ +#define HBA_PORTSPEED_128GFC 0x00000200 /* 128G FC */ +#define HBA_PORTSPEED_64GFC 0x00000400 /* 64G FC */ +#define HBA_PORTSPEED_256GFC 0x00000800 /* 256G FC */ +#define HBA_PORTSPEED_UNKNOWN 0x00008000 /* Unknown */ +#define HBA_PORTSPEED_10GE 0x00010000 /* 10G E */ +#define HBA_PORTSPEED_40GE 0x00020000 /* 40G E */ +#define HBA_PORTSPEED_100GE 0x00040000 /* 100G E */ +#define HBA_PORTSPEED_25GE 0x00080000 /* 25G E */ +#define HBA_PORTSPEED_50GE 0x00100000 /* 50G E */ +#define HBA_PORTSPEED_400GE 0x00200000 /* 400G E */ + +#define FOURBYTES 4 + + +static char *lpfc_release_version = LPFC_DRIVER_VERSION; +static void +lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb); + +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", + get_job_ulpstatus(phba, piocbq)); + } + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "0145 Ignoring unsolicited CT HBQ Size:%d " + "status = x%x\n", + size, get_job_ulpstatus(phba, piocbq)); +} + +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); +} + +/** + * lpfc_ct_unsol_cmpl : Completion callback function for unsol ct commands + * @phba : pointer to lpfc hba data structure. + * @cmdiocb : pointer to lpfc command iocb data structure. + * @rspiocb : pointer to lpfc response iocb data structure. + * + * This routine is the callback function for issuing unsol ct reject command. + * The memory allocated in the reject command path is freed up here. + **/ +static void +lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_nodelist *ndlp; + struct lpfc_dmabuf *mp, *bmp; + + ndlp = cmdiocb->ndlp; + if (ndlp) + lpfc_nlp_put(ndlp); + + mp = cmdiocb->rsp_dmabuf; + bmp = cmdiocb->bpl_dmabuf; + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + cmdiocb->rsp_dmabuf = NULL; + } + + if (bmp) { + lpfc_mbuf_free(phba, bmp->virt, bmp->phys); + kfree(bmp); + cmdiocb->bpl_dmabuf = NULL; + } + + lpfc_sli_release_iocbq(phba, cmdiocb); +} + +/** + * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands + * @ndlp: pointer to a node-list data structure. + * @ct_req: pointer to the CT request data structure. + * @ulp_context: context of received UNSOL CT command + * @ox_id: ox_id of the UNSOL CT command + * + * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending + * a reject response. Reject response is sent for the unhandled commands. + **/ +static void +lpfc_ct_reject_event(struct lpfc_nodelist *ndlp, + struct lpfc_sli_ct_request *ct_req, + u16 ulp_context, u16 ox_id) +{ + struct lpfc_vport *vport = ndlp->vport; + struct lpfc_hba *phba = vport->phba; + struct lpfc_sli_ct_request *ct_rsp; + struct lpfc_iocbq *cmdiocbq = NULL; + struct lpfc_dmabuf *bmp = NULL; + struct lpfc_dmabuf *mp = NULL; + struct ulp_bde64 *bpl; + u8 rc = 0; + u32 tmo; + + /* fill in BDEs for command */ + mp = kmalloc(sizeof(*mp), GFP_KERNEL); + if (!mp) { + rc = 1; + goto ct_exit; + } + + mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp->phys); + if (!mp->virt) { + rc = 2; + goto ct_free_mp; + } + + /* Allocate buffer for Buffer ptr list */ + bmp = kmalloc(sizeof(*bmp), GFP_KERNEL); + if (!bmp) { + rc = 3; + goto ct_free_mpvirt; + } + + bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &bmp->phys); + if (!bmp->virt) { + rc = 4; + goto ct_free_bmp; + } + + INIT_LIST_HEAD(&mp->list); + INIT_LIST_HEAD(&bmp->list); + + 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 = BUFF_TYPE_BDE_64; + bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4); + bpl->tus.w = le32_to_cpu(bpl->tus.w); + + ct_rsp = (struct lpfc_sli_ct_request *)mp->virt; + memset(ct_rsp, 0, sizeof(struct lpfc_sli_ct_request)); + + ct_rsp->RevisionId.bits.Revision = SLI_CT_REVISION; + ct_rsp->RevisionId.bits.InId = 0; + ct_rsp->FsType = ct_req->FsType; + ct_rsp->FsSubType = ct_req->FsSubType; + ct_rsp->CommandResponse.bits.Size = 0; + ct_rsp->CommandResponse.bits.CmdRsp = + cpu_to_be16(SLI_CT_RESPONSE_FS_RJT); + ct_rsp->ReasonCode = SLI_CT_REQ_NOT_SUPPORTED; + ct_rsp->Explanation = SLI_CT_NO_ADDITIONAL_EXPL; + + cmdiocbq = lpfc_sli_get_iocbq(phba); + if (!cmdiocbq) { + rc = 5; + goto ct_free_bmpvirt; + } + + if (phba->sli_rev == LPFC_SLI_REV4) { + lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, + phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], + ox_id, 1, FC_RCTL_DD_SOL_CTL, 1, + CMD_XMIT_SEQUENCE64_WQE); + } else { + lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1, + FC_RCTL_DD_SOL_CTL, 1, + CMD_XMIT_SEQUENCE64_CX); + } + + /* Save for completion so we can release these resources */ + cmdiocbq->rsp_dmabuf = mp; + cmdiocbq->bpl_dmabuf = bmp; + cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl; + tmo = (3 * phba->fc_ratov); + + cmdiocbq->retry = 0; + cmdiocbq->vport = vport; + cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT; + + cmdiocbq->ndlp = lpfc_nlp_get(ndlp); + if (!cmdiocbq->ndlp) + goto ct_no_ndlp; + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0); + if (rc) { + lpfc_nlp_put(ndlp); + goto ct_no_ndlp; + } + return; + +ct_no_ndlp: + rc = 6; + lpfc_sli_release_iocbq(phba, cmdiocbq); +ct_free_bmpvirt: + lpfc_mbuf_free(phba, bmp->virt, bmp->phys); +ct_free_bmp: + kfree(bmp); +ct_free_mpvirt: + lpfc_mbuf_free(phba, mp->virt, mp->phys); +ct_free_mp: + kfree(mp); +ct_exit: + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "6440 Unsol CT: Rsp err %d Data: x%x\n", + rc, vport->fc_flag); +} + +/** + * lpfc_ct_handle_mibreq - Process an unsolicited CT MIB request data buffer + * @phba: pointer to lpfc hba data structure. + * @ctiocbq: pointer to lpfc CT command iocb data structure. + * + * This routine is used for processing the IOCB associated with a unsolicited + * CT MIB request. It first determines whether there is an existing ndlp that + * matches the DID from the unsolicited IOCB. If not, it will return. + **/ +static void +lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq) +{ + struct lpfc_sli_ct_request *ct_req; + struct lpfc_nodelist *ndlp = NULL; + struct lpfc_vport *vport = ctiocbq->vport; + u32 ulp_status = get_job_ulpstatus(phba, ctiocbq); + u32 ulp_word4 = get_job_word4(phba, ctiocbq); + u32 did; + u16 mi_cmd; + + did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp); + if (ulp_status) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "6438 Unsol CT: status:x%x/x%x did : x%x\n", + ulp_status, ulp_word4, did); + return; + } + + /* Ignore traffic received during vport shutdown */ + if (vport->fc_flag & FC_UNLOADING) + return; + + ndlp = lpfc_findnode_did(vport, did); + if (!ndlp) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "6439 Unsol CT: NDLP Not Found for DID : x%x", + did); + return; + } + + ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt; + + mi_cmd = be16_to_cpu(ct_req->CommandResponse.bits.CmdRsp); + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "6442 : MI Cmd : x%x Not Supported\n", mi_cmd); + lpfc_ct_reject_event(ndlp, ct_req, + bf_get(wqe_ctxt_tag, + &ctiocbq->wqe.xmit_els_rsp.wqe_com), + bf_get(wqe_rcvoxid, + &ctiocbq->wqe.xmit_els_rsp.wqe_com)); +} + +/** + * lpfc_ct_unsol_event - Process an unsolicited event from a ct sli ring + * @phba: pointer to lpfc hba data structure. + * @pring: pointer to a SLI ring. + * @ctiocbq: pointer to lpfc ct iocb data structure. + * + * This routine is used to process an unsolicited event received from a SLI + * (Service Level Interface) ring. The actual processing of the data buffer + * associated with the unsolicited event is done by invoking appropriate routine + * after properly set up the iocb buffer from the SLI ring on which the + * unsolicited event was received. + **/ +void +lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + struct lpfc_iocbq *ctiocbq) +{ + struct lpfc_dmabuf *mp = NULL; + IOCB_t *icmd = &ctiocbq->iocb; + int i; + struct lpfc_iocbq *iocbq; + struct lpfc_iocbq *iocb; + dma_addr_t dma_addr; + uint32_t size; + struct list_head head; + struct lpfc_sli_ct_request *ct_req; + struct lpfc_dmabuf *bdeBuf1 = ctiocbq->cmd_dmabuf; + struct lpfc_dmabuf *bdeBuf2 = ctiocbq->bpl_dmabuf; + u32 status, parameter, bde_count = 0; + struct lpfc_wcqe_complete *wcqe_cmpl = NULL; + + ctiocbq->cmd_dmabuf = NULL; + ctiocbq->rsp_dmabuf = NULL; + ctiocbq->bpl_dmabuf = NULL; + + wcqe_cmpl = &ctiocbq->wcqe_cmpl; + status = get_job_ulpstatus(phba, ctiocbq); + parameter = get_job_word4(phba, ctiocbq); + if (phba->sli_rev == LPFC_SLI_REV4) + bde_count = wcqe_cmpl->word3; + else + bde_count = icmd->ulpBdeCount; + + if (unlikely(status == IOSTAT_NEED_BUFFER)) { + lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); + } else if ((status == IOSTAT_LOCAL_REJECT) && + ((parameter & IOERR_PARAM_MASK) == + 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_sli3_post_buffer(phba, pring, 2); + return; + } + + /* If there are no BDEs associated + * with this IOCB, there is nothing to do. + */ + if (bde_count == 0) + return; + + ctiocbq->cmd_dmabuf = bdeBuf1; + if (bde_count == 2) + ctiocbq->bpl_dmabuf = bdeBuf2; + + ct_req = (struct lpfc_sli_ct_request *)ctiocbq->cmd_dmabuf->virt; + + if (ct_req->FsType == SLI_CT_MANAGEMENT_SERVICE && + ct_req->FsSubType == SLI_CT_MIB_Subtypes) { + lpfc_ct_handle_mibreq(phba, ctiocbq); + } else { + if (!lpfc_bsg_ct_unsol_event(phba, pring, ctiocbq)) + return; + } + + if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { + INIT_LIST_HEAD(&head); + list_add_tail(&head, &ctiocbq->list); + list_for_each_entry(iocb, &head, list) { + if (phba->sli_rev == LPFC_SLI_REV4) + bde_count = iocb->wcqe_cmpl.word3; + else + bde_count = iocb->iocb.ulpBdeCount; + + if (!bde_count) + continue; + bdeBuf1 = iocb->cmd_dmabuf; + iocb->cmd_dmabuf = NULL; + if (phba->sli_rev == LPFC_SLI_REV4) + size = iocb->wqe.gen_req.bde.tus.f.bdeSize; + else + size = iocb->iocb.un.cont64[0].tus.f.bdeSize; + lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size); + lpfc_in_buf_free(phba, bdeBuf1); + if (bde_count == 2) { + bdeBuf2 = iocb->bpl_dmabuf; + iocb->bpl_dmabuf = NULL; + if (phba->sli_rev == LPFC_SLI_REV4) + size = iocb->unsol_rcv_len; + else + size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize; + lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2, + size); + lpfc_in_buf_free(phba, bdeBuf2); + } + } + list_del(&head); + } else { + INIT_LIST_HEAD(&head); + list_add_tail(&head, &ctiocbq->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++) { + dma_addr = getPaddr(icmd->un.cont64[i].addrHigh, + icmd->un.cont64[i].addrLow); + mp = lpfc_sli_ringpostbuf_get(phba, pring, + dma_addr); + size = icmd->un.cont64[i].tus.f.bdeSize; + lpfc_ct_unsol_buffer(phba, iocbq, mp, size); + lpfc_in_buf_free(phba, mp); + } + lpfc_sli3_post_buffer(phba, pring, i); + } + list_del(&head); + } +} + +/** + * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler + * @phba: Pointer to HBA context object. + * @dmabuf: pointer to a dmabuf that describes the FC sequence + * + * This function serves as the upper level protocol abort handler for CT + * protocol. + * + * Return 1 if abort has been handled, 0 otherwise. + **/ +int +lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf) +{ + int handled; + + /* CT upper level goes through BSG */ + handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf); + + return handled; +} + +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) { + list_del(&mlast->list); + lpfc_mbuf_free(phba, mlast->virt, mlast->phys); + 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, __be16 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 (be16_to_cpu(cmdcode) == SLI_CTNS_GID_FT || + be16_to_cpu(cmdcode) == 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; + + /* IOCBQ job structure gets cleaned during release. Just release + * the dma buffers here. + */ + if (ctiocb->cmd_dmabuf) { + buf_ptr = ctiocb->cmd_dmabuf; + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); + ctiocb->cmd_dmabuf = NULL; + } + if (ctiocb->rsp_dmabuf) { + lpfc_free_ct_rsp(phba, ctiocb->rsp_dmabuf); + ctiocb->rsp_dmabuf = NULL; + } + + if (ctiocb->bpl_dmabuf) { + buf_ptr = ctiocb->bpl_dmabuf; + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); + ctiocb->bpl_dmabuf = NULL; + } + lpfc_sli_release_iocbq(phba, ctiocb); + return 0; +} + +/* + * lpfc_gen_req - Build and issue a GEN_REQUEST command to the SLI Layer + * @vport: pointer to a host virtual N_Port data structure. + * @bmp: Pointer to BPL for SLI command + * @inp: Pointer to data buffer for response data. + * @outp: Pointer to data buffer that hold the CT command. + * @cmpl: completion routine to call when command completes + * @ndlp: Destination NPort nodelist entry + * + * This function as the final part for issuing a CT command. + */ +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 event_tag, uint32_t num_entry, + uint32_t tmo, uint8_t retry) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *geniocb; + int rc; + u16 ulp_context; + + /* Allocate buffer for command iocb */ + geniocb = lpfc_sli_get_iocbq(phba); + + if (geniocb == NULL) + return 1; + + /* Update the num_entry bde count */ + geniocb->num_bdes = num_entry; + + geniocb->bpl_dmabuf = bmp; + + /* Save for completion so we can release these resources */ + geniocb->cmd_dmabuf = inp; + geniocb->rsp_dmabuf = outp; + + geniocb->event_tag = event_tag; + + if (!tmo) { + /* FC spec states we need 3 * ratov for CT requests */ + tmo = (3 * phba->fc_ratov); + } + + if (phba->sli_rev == LPFC_SLI_REV4) + ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; + else + ulp_context = ndlp->nlp_rpi; + + lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo); + + /* 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, geniocb->iotag, + vport->port_state); + geniocb->cmd_cmpl = cmpl; + geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT; + geniocb->vport = vport; + geniocb->retry = retry; + geniocb->ndlp = lpfc_nlp_get(ndlp); + if (!geniocb->ndlp) + goto out; + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0); + if (rc == IOCB_ERROR) { + lpfc_nlp_put(ndlp); + goto out; + } + + return 0; +out: + lpfc_sli_release_iocbq(phba, geniocb); + return 1; +} + +/* + * lpfc_ct_cmd - Build and issue a CT command + * @vport: pointer to a host virtual N_Port data structure. + * @inmp: Pointer to data buffer for response data. + * @bmp: Pointer to BPL for SLI command + * @ndlp: Destination NPort nodelist entry + * @cmpl: completion routine to call when command completes + * + * This function is called for issuing a CT command. + */ +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; + __be16 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, + phba->fc_eventTag, 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->port_list_lock, 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->port_list_lock, flags); + return vport_curr; + } + } + spin_unlock_irqrestore(&phba->port_list_lock, flags); + return NULL; +} + +static void +lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type) +{ + struct lpfc_nodelist *ndlp; + + if ((vport->port_type != LPFC_NPIV_PORT) || + !(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) { + + ndlp = lpfc_setup_disc_node(vport, Did); + + if (ndlp) { + 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); + + /* By default, the driver expects to support FCP FC4 */ + if (fc4_type == FC_TYPE_FCP) + ndlp->nlp_fc4_type |= NLP_FC4_FCP; + + if (fc4_type == FC_TYPE_NVME) + ndlp->nlp_fc4_type |= NLP_FC4_NVME; + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0238 Process x%06x NameServer Rsp " + "Data: x%x x%x x%x x%x x%x\n", Did, + ndlp->nlp_flag, ndlp->nlp_fc4_type, + ndlp->nlp_state, vport->fc_flag, + vport->fc_rscn_id_cnt); + + /* if ndlp needs to be discovered and prior + * state of ndlp hit devloss, change state to + * allow rediscovery. + */ + if (ndlp->nlp_flag & NLP_NPR_2B_DISC && + ndlp->nlp_state == NLP_STE_UNUSED_NODE) { + lpfc_nlp_set_state(vport, ndlp, + NLP_STE_NPR_NODE); + } + } 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%06x NameServer Rsp " + "Data: x%x x%x x%px\n", + Did, vport->fc_flag, + vport->fc_rscn_id_cnt, ndlp); + } + } 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/NVMe target, + * Don't even bother to send GFF_ID. + */ + ndlp = lpfc_findnode_did(vport, Did); + if (ndlp && + (ndlp->nlp_type & + (NLP_FCP_TARGET | NLP_NVME_TARGET))) { + if (fc4_type == FC_TYPE_FCP) + ndlp->nlp_fc4_type |= NLP_FC4_FCP; + if (fc4_type == FC_TYPE_NVME) + ndlp->nlp_fc4_type |= NLP_FC4_NVME; + lpfc_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%06x NameServer Rsp " + "Data: x%x x%x\n", Did, + vport->fc_flag, + vport->fc_rscn_id_cnt); + } + } +} + +static void +lpfc_ns_rsp_audit_did(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_nodelist *ndlp = NULL; + char *str; + + if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT) + str = "GID_FT"; + else + str = "GID_PT"; + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6430 Process %s rsp for %08x type %x %s %s\n", + str, Did, fc4_type, + (fc4_type == FC_TYPE_FCP) ? "FCP" : " ", + (fc4_type == FC_TYPE_NVME) ? "NVME" : " "); + /* + * 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) || + vport->cfg_peer_port_login)) { + if (!phba->nvmet_support) { + /* FCPI/NVMEI path. Process Did */ + lpfc_prep_node_fc4type(vport, Did, fc4_type); + return; + } + /* NVMET path. NVMET only cares about NVMEI nodes. */ + list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { + if (ndlp->nlp_type != NLP_NVME_INITIATOR || + ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) + continue; + spin_lock_irq(&ndlp->lock); + if (ndlp->nlp_DID == Did) + ndlp->nlp_flag &= ~NLP_NVMET_RECOV; + else + ndlp->nlp_flag |= NLP_NVMET_RECOV; + spin_unlock_irq(&ndlp->lock); + } + } +} + +static int +lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type, + uint32_t Size) +{ + struct lpfc_sli_ct_request *Response = + (struct lpfc_sli_ct_request *) mp->virt; + 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; + struct lpfc_nodelist *ndlp = NULL; + + 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); + lpfc_ns_rsp_audit_did(vport, Did, fc4_type); + if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY))) + goto nsout1; + + Cnt -= sizeof(uint32_t); + } + ctptr = NULL; + + } + + /* All GID_FT entries processed. If the driver is running in + * in target mode, put impacted nodes into recovery and drop + * the RPI to flush outstanding IO. + */ + if (vport->phba->nvmet_support) { + list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { + if (!(ndlp->nlp_flag & NLP_NVMET_RECOV)) + continue; + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RECOVERY); + spin_lock_irq(&ndlp->lock); + ndlp->nlp_flag &= ~NLP_NVMET_RECOV; + spin_unlock_irq(&ndlp->lock); + } + } + +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); + struct lpfc_dmabuf *outp; + struct lpfc_dmabuf *inp; + struct lpfc_sli_ct_request *CTrsp; + struct lpfc_sli_ct_request *CTreq; + struct lpfc_nodelist *ndlp; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); + int rc, type; + + /* First save ndlp, before we overwrite it */ + ndlp = cmdiocb->ndlp; + + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->rsp_iocb = rspiocb; + inp = cmdiocb->cmd_dmabuf; + outp = cmdiocb->rsp_dmabuf; + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, + "GID_FT cmpl: status:x%x/x%x rtry:%d", + ulp_status, ulp_word4, vport->fc_ns_retry); + + /* Ignore response if link flipped after this request was made */ + if (cmdiocb->event_tag != phba->fc_eventTag) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "9043 Event tag mismatch. Ignoring NS rsp\n"); + goto out; + } + + /* 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(vport, ulp_status, ulp_word4)) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0226 NS query failed due to link event: " + "ulp_status x%x ulp_word4 x%x fc_flag x%x " + "port_state x%x gidft_inp x%x\n", + ulp_status, ulp_word4, vport->fc_flag, + vport->port_state, vport->gidft_inp); + if (vport->fc_flag & FC_RSCN_MODE) + lpfc_els_flush_rscn(vport); + if (vport->gidft_inp) + vport->gidft_inp--; + goto out; + } + + spin_lock_irq(shost->host_lock); + if (vport->fc_flag & FC_RSCN_DEFERRED) { + vport->fc_flag &= ~FC_RSCN_DEFERRED; + spin_unlock_irq(shost->host_lock); + + /* This is a GID_FT completing so the gidft_inp counter was + * incremented before the GID_FT was issued to the wire. + */ + if (vport->gidft_inp) + vport->gidft_inp--; + + /* + * Skip processing the NS response + * Re-issue the NS cmd + */ + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "0151 Process Deferred RSCN Data: x%x x%x\n", + vport->fc_flag, vport->fc_rscn_id_cnt); + lpfc_els_handle_rscn(vport); + + goto out; + } + spin_unlock_irq(shost->host_lock); + + if (ulp_status) { + /* Check for retry */ + if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { + if (ulp_status != IOSTAT_LOCAL_REJECT || + (ulp_word4 & IOERR_PARAM_MASK) != + IOERR_NO_RESOURCES) + vport->fc_ns_retry++; + + type = lpfc_get_gidft_type(vport, cmdiocb); + if (type == 0) + goto out; + + /* CT command is being retried */ + rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, + vport->fc_ns_retry, type); + if (rc == 0) + goto out; + else { /* Unable to send NS cmd */ + if (vport->gidft_inp) + vport->gidft_inp--; + } + } + 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_TRACE_EVENT, + "0257 GID_FT Query error: 0x%x 0x%x\n", + ulp_status, vport->fc_ns_retry); + } else { + /* Good status, continue checking */ + CTreq = (struct lpfc_sli_ct_request *) inp->virt; + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (CTrsp->CommandResponse.bits.CmdRsp == + cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0208 NameServer Rsp Data: x%x x%x " + "x%x x%x sz x%x\n", + vport->fc_flag, + CTreq->un.gid.Fc4Type, + vport->num_disc_nodes, + vport->gidft_inp, + get_job_data_placed(phba, rspiocb)); + + lpfc_ns_rsp(vport, + outp, + CTreq->un.gid.Fc4Type, + get_job_data_placed(phba, rspiocb)); + } else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + 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", + be16_to_cpu(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", + be16_to_cpu(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", + be16_to_cpu(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", + be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), + (uint32_t) CTrsp->ReasonCode, + (uint32_t) CTrsp->Explanation); + } + + + } else { + /* NameServer Rsp Error */ + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "0241 NameServer Rsp Error " + "Data: x%x x%x x%x x%x\n", + be16_to_cpu(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", + be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), + (uint32_t) CTrsp->ReasonCode, + (uint32_t) CTrsp->Explanation); + } + if (vport->gidft_inp) + vport->gidft_inp--; + } + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "4216 GID_FT cmpl inp %d disc %d\n", + vport->gidft_inp, vport->num_disc_nodes); + + /* Link up / RSCN discovery */ + if ((vport->num_disc_nodes == 0) && + (vport->gidft_inp == 0)) { + /* + * The driver has cycled through all Nports in the RSCN payload. + * Complete the handling by cleaning up and marking the + * 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: + lpfc_ct_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); + return; +} + +static void +lpfc_cmpl_ct_cmd_gid_pt(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); + struct lpfc_dmabuf *outp; + struct lpfc_dmabuf *inp; + struct lpfc_sli_ct_request *CTrsp; + struct lpfc_sli_ct_request *CTreq; + struct lpfc_nodelist *ndlp; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); + int rc; + + /* First save ndlp, before we overwrite it */ + ndlp = cmdiocb->ndlp; + + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->rsp_iocb = rspiocb; + inp = cmdiocb->cmd_dmabuf; + outp = cmdiocb->rsp_dmabuf; + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, + "GID_PT cmpl: status:x%x/x%x rtry:%d", + ulp_status, ulp_word4, + vport->fc_ns_retry); + + /* Ignore response if link flipped after this request was made */ + if (cmdiocb->event_tag != phba->fc_eventTag) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "9044 Event tag mismatch. Ignoring NS rsp\n"); + goto out; + } + + /* 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, + "4108 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(vport, ulp_status, ulp_word4)) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "4166 NS query failed due to link event: " + "ulp_status x%x ulp_word4 x%x fc_flag x%x " + "port_state x%x gidft_inp x%x\n", + ulp_status, ulp_word4, vport->fc_flag, + vport->port_state, vport->gidft_inp); + if (vport->fc_flag & FC_RSCN_MODE) + lpfc_els_flush_rscn(vport); + if (vport->gidft_inp) + vport->gidft_inp--; + goto out; + } + + spin_lock_irq(shost->host_lock); + if (vport->fc_flag & FC_RSCN_DEFERRED) { + vport->fc_flag &= ~FC_RSCN_DEFERRED; + spin_unlock_irq(shost->host_lock); + + /* This is a GID_PT completing so the gidft_inp counter was + * incremented before the GID_PT was issued to the wire. + */ + if (vport->gidft_inp) + vport->gidft_inp--; + + /* + * Skip processing the NS response + * Re-issue the NS cmd + */ + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "4167 Process Deferred RSCN Data: x%x x%x\n", + vport->fc_flag, vport->fc_rscn_id_cnt); + lpfc_els_handle_rscn(vport); + + goto out; + } + spin_unlock_irq(shost->host_lock); + + if (ulp_status) { + /* Check for retry */ + if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { + if (ulp_status != IOSTAT_LOCAL_REJECT || + (ulp_word4 & IOERR_PARAM_MASK) != + IOERR_NO_RESOURCES) + vport->fc_ns_retry++; + + /* CT command is being retried */ + rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_PT, + vport->fc_ns_retry, GID_PT_N_PORT); + if (rc == 0) + goto out; + else { /* Unable to send NS cmd */ + if (vport->gidft_inp) + vport->gidft_inp--; + } + } + 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_TRACE_EVENT, + "4103 GID_FT Query error: 0x%x 0x%x\n", + ulp_status, vport->fc_ns_retry); + } else { + /* Good status, continue checking */ + CTreq = (struct lpfc_sli_ct_request *)inp->virt; + CTrsp = (struct lpfc_sli_ct_request *)outp->virt; + if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + SLI_CT_RESPONSE_FS_ACC) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "4105 NameServer Rsp Data: x%x x%x " + "x%x x%x sz x%x\n", + vport->fc_flag, + CTreq->un.gid.Fc4Type, + vport->num_disc_nodes, + vport->gidft_inp, + get_job_data_placed(phba, rspiocb)); + + lpfc_ns_rsp(vport, + outp, + CTreq->un.gid.Fc4Type, + get_job_data_placed(phba, rspiocb)); + } else if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + 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, + "4106 No NameServer Entries " + "Data: x%x x%x x%x x%x\n", + be16_to_cpu(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_PT no entry cmd:x%x rsn:x%x exp:x%x", + be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), + (uint32_t)CTrsp->ReasonCode, + (uint32_t)CTrsp->Explanation); + } else { + lpfc_printf_vlog( + vport, KERN_INFO, LOG_DISCOVERY, + "4107 NameServer Rsp Error " + "Data: x%x x%x x%x x%x\n", + be16_to_cpu(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_PT rsp err1 cmd:x%x rsn:x%x exp:x%x", + be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), + (uint32_t)CTrsp->ReasonCode, + (uint32_t)CTrsp->Explanation); + } + } else { + /* NameServer Rsp Error */ + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "4109 NameServer Rsp Error " + "Data: x%x x%x x%x x%x\n", + be16_to_cpu(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_PT rsp err2 cmd:x%x rsn:x%x exp:x%x", + be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), + (uint32_t)CTrsp->ReasonCode, + (uint32_t)CTrsp->Explanation); + } + if (vport->gidft_inp) + vport->gidft_inp--; + } + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6450 GID_PT cmpl inp %d disc %d\n", + vport->gidft_inp, vport->num_disc_nodes); + + /* Link up / RSCN discovery */ + if ((vport->num_disc_nodes == 0) && + (vport->gidft_inp == 0)) { + /* + * The driver has cycled through all Nports in the RSCN payload. + * Complete the handling by cleaning up and marking the + * 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: + lpfc_ct_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); +} + +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); + struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf; + struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf; + struct lpfc_sli_ct_request *CTrsp; + int did, rc, retry; + uint8_t fbits; + struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); + + 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", + ulp_status, ulp_word4, did); + + /* Ignore response if link flipped after this request was made */ + if (cmdiocb->event_tag != phba->fc_eventTag) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "9045 Event tag mismatch. Ignoring NS rsp\n"); + goto iocb_free; + } + + if (ulp_status == IOSTAT_SUCCESS) { + /* Good status, continue checking */ + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET]; + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6431 Process GFF_ID rsp for %08x " + "fbits %02x %s %s\n", + did, fbits, + (fbits & FC4_FEATURE_INIT) ? "Initiator" : " ", + (fbits & FC4_FEATURE_TARGET) ? "Target" : " "); + + if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + 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 (ulp_status == IOSTAT_LOCAL_REJECT) { + switch ((ulp_word4 & + IOERR_PARAM_MASK)) { + + 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 */ + free_ndlp = cmdiocb->ndlp; + lpfc_ct_free_iocb(phba, cmdiocb); + lpfc_nlp_put(free_ndlp); + return; + } + } + } + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "0267 NameServer GFF Rsp " + "x%x Error (%d %d) Data: x%x x%x\n", + did, ulp_status, ulp_word4, + 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) { + 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--; + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6451 GFF_ID cmpl inp %d disc %d\n", + vport->gidft_inp, 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); + } + +iocb_free: + free_ndlp = cmdiocb->ndlp; + lpfc_ct_free_iocb(phba, cmdiocb); + lpfc_nlp_put(free_ndlp); + return; +} + +static void +lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_vport *vport = cmdiocb->vport; + struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf; + struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf; + struct lpfc_sli_ct_request *CTrsp; + int did; + struct lpfc_nodelist *ndlp = NULL; + struct lpfc_nodelist *ns_ndlp = cmdiocb->ndlp; + uint32_t fc4_data_0, fc4_data_1; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); + + did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId; + did = be32_to_cpu(did); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, + "GFT_ID cmpl: status:x%x/x%x did:x%x", + ulp_status, ulp_word4, did); + + /* Ignore response if link flipped after this request was made */ + if ((uint32_t)cmdiocb->event_tag != phba->fc_eventTag) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "9046 Event tag mismatch. Ignoring NS rsp\n"); + goto out; + } + + if (ulp_status == IOSTAT_SUCCESS) { + /* Good status, continue checking */ + CTrsp = (struct lpfc_sli_ct_request *)outp->virt; + fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]); + fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]); + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6432 Process GFT_ID rsp for %08x " + "Data %08x %08x %s %s\n", + did, fc4_data_0, fc4_data_1, + (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) ? + "FCP" : " ", + (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) ? + "NVME" : " "); + + /* Lookup the NPort_ID queried in the GFT_ID and find the + * driver's local node. It's an error if the driver + * doesn't have one. + */ + ndlp = lpfc_findnode_did(vport, did); + if (ndlp) { + /* The bitmask value for FCP and NVME FCP types is + * the same because they are 32 bits distant from + * each other in word0 and word0. + */ + if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK) + ndlp->nlp_fc4_type |= NLP_FC4_FCP; + if (fc4_data_1 & LPFC_FC4_TYPE_BITMASK) + ndlp->nlp_fc4_type |= NLP_FC4_NVME; + lpfc_printf_vlog(vport, KERN_INFO, + LOG_DISCOVERY | LOG_NODE, + "3064 Setting ndlp x%px, DID x%06x " + "with FC4 x%08x, Data: x%08x x%08x " + "%d\n", + ndlp, did, ndlp->nlp_fc4_type, + FC_TYPE_FCP, FC_TYPE_NVME, + ndlp->nlp_state); + + if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE && + ndlp->nlp_fc4_type) { + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + /* This is a fabric topology so if discovery + * started with an unsolicited PLOGI, don't + * send a PRLI. Targets don't issue PLOGI or + * PRLI when acting as a target. Likely this is + * an initiator function. + */ + if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { + lpfc_nlp_set_state(vport, ndlp, + NLP_STE_PRLI_ISSUE); + lpfc_issue_els_prli(vport, ndlp, 0); + } + } else if (!ndlp->nlp_fc4_type) { + /* If fc4 type is still unknown, then LOGO */ + lpfc_printf_vlog(vport, KERN_INFO, + LOG_DISCOVERY | LOG_NODE, + "6443 Sending LOGO ndlp x%px," + "DID x%06x with fc4_type: " + "x%08x, state: %d\n", + ndlp, did, ndlp->nlp_fc4_type, + ndlp->nlp_state); + lpfc_issue_els_logo(vport, ndlp, 0); + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_set_state(vport, ndlp, + NLP_STE_NPR_NODE); + } + } + } else + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "3065 GFT_ID failed x%08x\n", ulp_status); + +out: + lpfc_ct_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ns_ndlp); +} + +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; + struct lpfc_sli_ct_request *CTrsp; + struct lpfc_nodelist *ndlp; + int cmdcode, rc; + uint8_t retry; + uint32_t latt; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); + + /* First save ndlp, before we overwrite it */ + ndlp = cmdiocb->ndlp; + + /* we pass cmdiocb to state machine which needs rspiocb as well */ + cmdiocb->rsp_iocb = rspiocb; + + inp = cmdiocb->cmd_dmabuf; + outp = cmdiocb->rsp_dmabuf; + + 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 <ulp_status> CmdRsp <CmdRsp> */ + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0209 CT Request completes, latt %d, " + "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n", + latt, ulp_status, + be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp), + get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, + "CT cmd cmpl: status:x%x/x%x cmd:x%x", + ulp_status, ulp_word4, cmdcode); + + if (ulp_status) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "0268 NS cmd x%x Error (x%x x%x)\n", + cmdcode, ulp_status, ulp_word4); + + if (ulp_status == IOSTAT_LOCAL_REJECT && + (((ulp_word4 & IOERR_PARAM_MASK) == + IOERR_SLI_DOWN) || + ((ulp_word4 & IOERR_PARAM_MASK) == + 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: + lpfc_ct_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); + return; +} + +static void +lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + + if (ulp_status == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = cmdiocb->rsp_dmabuf; + CTrsp = (struct lpfc_sli_ct_request *)outp->virt; + if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + 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) +{ + struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + + if (ulp_status == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = cmdiocb->rsp_dmabuf; + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + 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) +{ + struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + + if (ulp_status == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = cmdiocb->rsp_dmabuf; + CTrsp = (struct lpfc_sli_ct_request *)outp->virt; + if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + 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) +{ + struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + + if (ulp_status == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = cmdiocb->rsp_dmabuf; + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + 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) +{ + struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + + if (ulp_status == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = cmdiocb->rsp_dmabuf; + CTrsp = (struct lpfc_sli_ct_request *)outp->virt; + if (be16_to_cpu(CTrsp->CommandResponse.bits.CmdRsp) == + SLI_CT_RESPONSE_FS_ACC) + vport->ct_flags |= FC_CT_RFF_ID; + } + lpfc_cmpl_ct(phba, cmdiocb, rspiocb); + return; +} + +/* + * Although the symbolic port name is thought to be an integer + * as of January 18, 2016, leave it as a string until more of + * the record state becomes defined. + */ +int +lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol, + size_t size) +{ + int n; + + /* + * Use the lpfc board number as the Symbolic Port + * Name object. NPIV is not in play so this integer + * value is sufficient and unique per FC-ID. + */ + n = scnprintf(symbol, size, "%d", vport->phba->brd_no); + return n; +} + + +int +lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol, + size_t size) +{ + char fwrev[FW_REV_STR_SIZE] = {0}; + char tmp[MAXHOSTNAMELEN] = {0}; + + memset(symbol, 0, size); + + scnprintf(tmp, sizeof(tmp), "Emulex %s", vport->phba->ModelName); + if (strlcat(symbol, tmp, size) >= size) + goto buffer_done; + + lpfc_decode_firmware_rev(vport->phba, fwrev, 0); + scnprintf(tmp, sizeof(tmp), " FV%s", fwrev); + if (strlcat(symbol, tmp, size) >= size) + goto buffer_done; + + scnprintf(tmp, sizeof(tmp), " DV%s", lpfc_release_version); + if (strlcat(symbol, tmp, size) >= size) + goto buffer_done; + + scnprintf(tmp, sizeof(tmp), " HN:%s", vport->phba->os_host_name); + if (strlcat(symbol, tmp, size) >= size) + goto buffer_done; + + /* Note :- OS name is "Linux" */ + scnprintf(tmp, sizeof(tmp), " OS:%s", init_utsname()->sysname); + strlcat(symbol, tmp, size); + +buffer_done: + return strnlen(symbol, size); + +} + +static uint32_t +lpfc_find_map_node(struct lpfc_vport *vport) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; + struct Scsi_Host *shost; + uint32_t cnt = 0; + + shost = lpfc_shost_from_vport(vport); + spin_lock_irq(shost->host_lock); + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (ndlp->nlp_type & NLP_FABRIC) + continue; + if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) || + (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE)) + cnt++; + } + spin_unlock_irq(shost->host_lock); + return cnt; +} + +/* + * This routine will return the FC4 Type associated with the CT + * GID_FT command. + */ +int +lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb) +{ + struct lpfc_sli_ct_request *CtReq; + struct lpfc_dmabuf *mp; + uint32_t type; + + mp = cmdiocb->cmd_dmabuf; + if (mp == NULL) + return 0; + CtReq = (struct lpfc_sli_ct_request *)mp->virt; + type = (uint32_t)CtReq->un.gid.Fc4Type; + if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME)) + return 0; + return type; +} + +/* + * lpfc_ns_cmd + * Description: + * Issue Cmd to NameServer + * 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 *ptr; + uint32_t rsp_size = 1024; + size_t size; + int rc = 0; + + ndlp = lpfc_findnode_did(vport, NameServer_DID); + if (!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 x%x\n", + cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt, + context); + + bpl = (struct ulp_bde64 *) bmp->virt; + memset(bpl, 0, sizeof(struct ulp_bde64)); + 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_GID_PT) + bpl->tus.f.bdeSize = GID_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_GFF_ID) + bpl->tus.f.bdeSize = GFF_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_GFT_ID) + bpl->tus.f.bdeSize = GFT_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_RFT_ID) + bpl->tus.f.bdeSize = RFT_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_RNN_ID) + 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 = + cpu_to_be16(SLI_CTNS_GID_FT); + CtReq->un.gid.Fc4Type = context; + + 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_GID_PT: + CtReq->CommandResponse.bits.CmdRsp = + cpu_to_be16(SLI_CTNS_GID_PT); + CtReq->un.gid.PortType = context; + + if (vport->port_state < LPFC_NS_QRY) + vport->port_state = LPFC_NS_QRY; + lpfc_set_disctmo(vport); + cmpl = lpfc_cmpl_ct_cmd_gid_pt; + rsp_size = FC_MAX_NS_RSP; + break; + + case SLI_CTNS_GFF_ID: + CtReq->CommandResponse.bits.CmdRsp = + cpu_to_be16(SLI_CTNS_GFF_ID); + CtReq->un.gff.PortId = cpu_to_be32(context); + cmpl = lpfc_cmpl_ct_cmd_gff_id; + break; + + case SLI_CTNS_GFT_ID: + CtReq->CommandResponse.bits.CmdRsp = + cpu_to_be16(SLI_CTNS_GFT_ID); + CtReq->un.gft.PortId = cpu_to_be32(context); + cmpl = lpfc_cmpl_ct_cmd_gft_id; + break; + + case SLI_CTNS_RFT_ID: + vport->ct_flags &= ~FC_CT_RFT_ID; + CtReq->CommandResponse.bits.CmdRsp = + cpu_to_be16(SLI_CTNS_RFT_ID); + CtReq->un.rft.port_id = cpu_to_be32(vport->fc_myDID); + + /* Register Application Services type if vmid enabled. */ + if (phba->cfg_vmid_app_header) + CtReq->un.rft.app_serv_reg = + cpu_to_be32(RFT_APP_SERV_REG); + + /* Register FC4 FCP type if enabled. */ + if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH || + vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP) + CtReq->un.rft.fcp_reg = cpu_to_be32(RFT_FCP_REG); + + /* Register NVME type if enabled. */ + if (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH || + vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME) + CtReq->un.rft.nvme_reg = cpu_to_be32(RFT_NVME_REG); + + ptr = (uint32_t *)CtReq; + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6433 Issue RFT (%s %s %s): %08x %08x %08x " + "%08x %08x %08x %08x %08x\n", + CtReq->un.rft.fcp_reg ? "FCP" : " ", + CtReq->un.rft.nvme_reg ? "NVME" : " ", + CtReq->un.rft.app_serv_reg ? "APPS" : " ", + *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3), + *(ptr + 4), *(ptr + 5), + *(ptr + 6), *(ptr + 7)); + cmpl = lpfc_cmpl_ct_cmd_rft_id; + break; + + case SLI_CTNS_RNN_ID: + vport->ct_flags &= ~FC_CT_RNN_ID; + CtReq->CommandResponse.bits.CmdRsp = + cpu_to_be16(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 = + cpu_to_be16(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 = + cpu_to_be16(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 = + cpu_to_be16(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 = + cpu_to_be16(SLI_CTNS_RFF_ID); + CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID); + CtReq->un.rff.fbits = FC4_FEATURE_INIT; + + /* The driver always supports FC_TYPE_FCP. However, the + * caller can specify NVME (type x28) as well. But only + * these that FC4 type is supported. + */ + if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) || + (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) && + (context == FC_TYPE_NVME)) { + if ((vport == phba->pport) && phba->nvmet_support) { + CtReq->un.rff.fbits = (FC4_FEATURE_TARGET | + FC4_FEATURE_NVME_DISC); + lpfc_nvmet_update_targetport(phba); + } else { + lpfc_nvme_update_localport(vport); + } + CtReq->un.rff.type_code = context; + + } else if (((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) || + (vport->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) && + (context == FC_TYPE_FCP)) + CtReq->un.rff.type_code = context; + + else + goto ns_cmd_free_bmpvirt; + + ptr = (uint32_t *)CtReq; + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6434 Issue RFF (%s): %08x %08x %08x %08x " + "%08x %08x %08x %08x\n", + (context == FC_TYPE_NVME) ? "NVME" : "FCP", + *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3), + *(ptr + 4), *(ptr + 5), + *(ptr + 6), *(ptr + 7)); + 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; + +ns_cmd_free_bmpvirt: + 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_TRACE_EVENT, + "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; +} + +/** + * lpfc_fdmi_rprt_defer - Check for any deferred FDMI RPRT commands + * @phba: Pointer to HBA context object. + * @mask: Initial port attributes mask + * + * This function checks to see if any vports have deferred their FDMI RPRT. + * A vports RPRT may be deferred if it is issued before the primary ports + * RHBA completes. + */ +static void +lpfc_fdmi_rprt_defer(struct lpfc_hba *phba, uint32_t mask) +{ + struct lpfc_vport **vports; + struct lpfc_vport *vport; + struct lpfc_nodelist *ndlp; + int i; + + phba->hba_flag |= HBA_RHBA_CMPL; + vports = lpfc_create_vport_work_array(phba); + if (vports) { + for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { + vport = vports[i]; + ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); + if (!ndlp) + continue; + if (vport->ct_flags & FC_CT_RPRT_DEFER) { + vport->ct_flags &= ~FC_CT_RPRT_DEFER; + vport->fdmi_port_mask = mask; + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0); + } + } + } + lpfc_destroy_vport_work_array(phba, vports); +} + +/** + * lpfc_cmpl_ct_disc_fdmi - Handle a discovery FDMI completion + * @phba: Pointer to HBA context object. + * @cmdiocb: Pointer to the command IOCBQ. + * @rspiocb: Pointer to the response IOCBQ. + * + * This function to handle the completion of a driver initiated FDMI + * CT command issued during discovery. + */ +static void +lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_vport *vport = cmdiocb->vport; + struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf; + struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf; + struct lpfc_sli_ct_request *CTcmd = inp->virt; + struct lpfc_sli_ct_request *CTrsp = outp->virt; + __be16 fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp; + __be16 fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp; + struct lpfc_nodelist *ndlp, *free_ndlp = NULL; + uint32_t latt, cmd, err; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); + + latt = lpfc_els_chk_latt(vport); + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, + "FDMI cmpl: status:x%x/x%x latt:%d", + ulp_status, ulp_word4, latt); + + if (latt || ulp_status) { + + /* Look for a retryable error */ + if (ulp_status == IOSTAT_LOCAL_REJECT) { + switch ((ulp_word4 & IOERR_PARAM_MASK)) { + case IOERR_SLI_ABORTED: + case IOERR_SLI_DOWN: + /* Driver aborted this IO. No retry as error + * is likely Offline->Online or some adapter + * error. Recovery will try again. + */ + break; + case IOERR_ABORT_IN_PROGRESS: + case IOERR_SEQUENCE_TIMEOUT: + case IOERR_ILLEGAL_FRAME: + case IOERR_NO_RESOURCES: + case IOERR_ILLEGAL_COMMAND: + cmdiocb->retry++; + if (cmdiocb->retry >= LPFC_FDMI_MAX_RETRY) + break; + + /* Retry the same FDMI command */ + err = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, + cmdiocb, 0); + if (err == IOCB_ERROR) + break; + return; + default: + break; + } + } + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0229 FDMI cmd %04x failed, latt = %d " + "ulp_status: x%x, rid x%x\n", + be16_to_cpu(fdmi_cmd), latt, ulp_status, + ulp_word4); + } + + free_ndlp = cmdiocb->ndlp; + lpfc_ct_free_iocb(phba, cmdiocb); + lpfc_nlp_put(free_ndlp); + + ndlp = lpfc_findnode_did(vport, FDMI_DID); + if (!ndlp) + return; + + /* Check for a CT LS_RJT response */ + cmd = be16_to_cpu(fdmi_cmd); + if (be16_to_cpu(fdmi_rsp) == SLI_CT_RESPONSE_FS_RJT) { + /* FDMI rsp failed */ + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY | LOG_ELS, + "0220 FDMI cmd failed FS_RJT Data: x%x", cmd); + + /* Should we fallback to FDMI-2 / FDMI-1 ? */ + switch (cmd) { + case SLI_MGMT_RHBA: + if (vport->fdmi_hba_mask == LPFC_FDMI2_HBA_ATTR) { + /* Fallback to FDMI-1 for HBA attributes */ + vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR; + + /* If HBA attributes are FDMI1, so should + * port attributes be for consistency. + */ + vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR; + /* Start over */ + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0); + } + return; + + case SLI_MGMT_RPRT: + if (vport->port_type != LPFC_PHYSICAL_PORT) { + ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); + if (!ndlp) + return; + } + if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) { + /* Fallback to FDMI-1 */ + vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR; + /* Start over */ + lpfc_fdmi_cmd(vport, ndlp, cmd, 0); + return; + } + if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) { + vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; + /* Retry the same command */ + lpfc_fdmi_cmd(vport, ndlp, cmd, 0); + } + return; + + case SLI_MGMT_RPA: + /* No retry on Vendor, RPA only done on physical port */ + if (phba->link_flag & LS_CT_VEN_RPA) { + phba->link_flag &= ~LS_CT_VEN_RPA; + if (phba->cmf_active_mode == LPFC_CFG_OFF) + return; + lpfc_printf_log(phba, KERN_WARNING, + LOG_DISCOVERY | LOG_ELS, + "6460 VEN FDMI RPA RJT\n"); + return; + } + if (vport->fdmi_port_mask == LPFC_FDMI2_PORT_ATTR) { + /* Fallback to FDMI-1 */ + vport->fdmi_hba_mask = LPFC_FDMI1_HBA_ATTR; + vport->fdmi_port_mask = LPFC_FDMI1_PORT_ATTR; + /* Start over */ + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0); + return; + } + if (vport->fdmi_port_mask == LPFC_FDMI2_SMART_ATTR) { + vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; + /* Retry the same command */ + lpfc_fdmi_cmd(vport, ndlp, cmd, 0); + } + return; + } + } + + /* + * On success, need to cycle thru FDMI registration for discovery + * DHBA -> DPRT -> RHBA -> RPA (physical port) + * DPRT -> RPRT (vports) + */ + switch (cmd) { + case SLI_MGMT_RHBA: + /* Check for any RPRTs deferred till after RHBA completes */ + lpfc_fdmi_rprt_defer(phba, vport->fdmi_port_mask); + + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, 0); + break; + + case SLI_MGMT_DHBA: + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0); + break; + + case SLI_MGMT_DPRT: + if (vport->port_type == LPFC_PHYSICAL_PORT) { + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA, 0); + } else { + ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); + if (!ndlp) + return; + + /* Only issue a RPRT for the vport if the RHBA + * for the physical port completes successfully. + * We may have to defer the RPRT accordingly. + */ + if (phba->hba_flag & HBA_RHBA_CMPL) { + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, 0); + } else { + lpfc_printf_vlog(vport, KERN_INFO, + LOG_DISCOVERY, + "6078 RPRT deferred\n"); + vport->ct_flags |= FC_CT_RPRT_DEFER; + } + } + break; + case SLI_MGMT_RPA: + if (vport->port_type == LPFC_PHYSICAL_PORT && + phba->sli4_hba.pc_sli4_params.mi_ver) { + /* mi is only for the phyical port, no vports */ + if (phba->link_flag & LS_CT_VEN_RPA) { + lpfc_printf_vlog(vport, KERN_INFO, + LOG_DISCOVERY | LOG_ELS | + LOG_CGN_MGMT, + "6449 VEN RPA FDMI Success\n"); + phba->link_flag &= ~LS_CT_VEN_RPA; + break; + } + + lpfc_printf_log(phba, KERN_INFO, + LOG_DISCOVERY | LOG_CGN_MGMT, + "6210 Issue Vendor MI FDMI %x\n", + phba->sli4_hba.pc_sli4_params.mi_ver); + + /* CGN is only for the physical port, no vports */ + if (lpfc_fdmi_cmd(vport, ndlp, cmd, + LPFC_FDMI_VENDOR_ATTR_mi) == 0) + phba->link_flag |= LS_CT_VEN_RPA; + lpfc_printf_log(phba, KERN_INFO, + LOG_DISCOVERY | LOG_ELS, + "6458 Send MI FDMI:%x Flag x%x\n", + phba->sli4_hba.pc_sli4_params.mi_ver, + phba->link_flag); + } else { + lpfc_printf_log(phba, KERN_INFO, + LOG_DISCOVERY | LOG_ELS, + "6459 No FDMI VEN MI support - " + "RPA Success\n"); + } + break; + } + return; +} + + +/** + * lpfc_fdmi_change_check - Check for changed FDMI parameters + * @vport: pointer to a host virtual N_Port data structure. + * + * Check how many mapped NPorts we are connected to + * Check if our hostname changed + * Called from hbeat timeout routine to check if any FDMI parameters + * changed. If so, re-register those Attributes. + */ +void +lpfc_fdmi_change_check(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_nodelist *ndlp; + uint16_t cnt; + + if (!lpfc_is_link_up(phba)) + return; + + /* Must be connected to a Fabric */ + if (!(vport->fc_flag & FC_FABRIC)) + return; + + ndlp = lpfc_findnode_did(vport, FDMI_DID); + if (!ndlp) + return; + + /* Check if system hostname changed */ + if (strcmp(phba->os_host_name, init_utsname()->nodename)) { + memset(phba->os_host_name, 0, sizeof(phba->os_host_name)); + scnprintf(phba->os_host_name, sizeof(phba->os_host_name), "%s", + init_utsname()->nodename); + lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); + + /* Since this effects multiple HBA and PORT attributes, we need + * de-register and go thru the whole FDMI registration cycle. + * DHBA -> DPRT -> RHBA -> RPA (physical port) + * DPRT -> RPRT (vports) + */ + if (vport->port_type == LPFC_PHYSICAL_PORT) { + /* For extra Vendor RPA */ + phba->link_flag &= ~LS_CT_VEN_RPA; + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA, 0); + } else { + ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); + if (!ndlp) + return; + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT, 0); + } + + /* Since this code path registers all the port attributes + * we can just return without further checking. + */ + return; + } + + if (!(vport->fdmi_port_mask & LPFC_FDMI_PORT_ATTR_num_disc)) + return; + + /* Check if the number of mapped NPorts changed */ + cnt = lpfc_find_map_node(vport); + if (cnt == vport->fdmi_num_disc) + return; + + if (vport->port_type == LPFC_PHYSICAL_PORT) { + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA, + LPFC_FDMI_PORT_ATTR_num_disc); + } else { + ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); + if (!ndlp) + return; + lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPRT, + LPFC_FDMI_PORT_ATTR_num_disc); + } +} + +static inline int +lpfc_fdmi_set_attr_u32(void *attr, uint16_t attrtype, uint32_t attrval) +{ + struct lpfc_fdmi_attr_u32 *ae = attr; + int size = sizeof(*ae); + + ae->type = cpu_to_be16(attrtype); + ae->len = cpu_to_be16(size); + ae->value_u32 = cpu_to_be32(attrval); + + return size; +} + +static inline int +lpfc_fdmi_set_attr_wwn(void *attr, uint16_t attrtype, struct lpfc_name *wwn) +{ + struct lpfc_fdmi_attr_wwn *ae = attr; + int size = sizeof(*ae); + + ae->type = cpu_to_be16(attrtype); + ae->len = cpu_to_be16(size); + /* WWN's assumed to be bytestreams - Big Endian presentation */ + memcpy(ae->name, wwn, + min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64))); + + return size; +} + +static inline int +lpfc_fdmi_set_attr_fullwwn(void *attr, uint16_t attrtype, + struct lpfc_name *wwnn, struct lpfc_name *wwpn) +{ + struct lpfc_fdmi_attr_fullwwn *ae = attr; + u8 *nname = ae->nname; + u8 *pname = ae->pname; + int size = sizeof(*ae); + + ae->type = cpu_to_be16(attrtype); + ae->len = cpu_to_be16(size); + /* WWN's assumed to be bytestreams - Big Endian presentation */ + memcpy(nname, wwnn, + min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64))); + memcpy(pname, wwpn, + min_t(size_t, sizeof(struct lpfc_name), sizeof(__be64))); + + return size; +} + +static inline int +lpfc_fdmi_set_attr_string(void *attr, uint16_t attrtype, char *attrstring) +{ + struct lpfc_fdmi_attr_string *ae = attr; + int len, size; + + /* + * We are trusting the caller that if a fdmi string field + * is capped at 64 bytes, the caller passes in a string of + * 64 bytes or less. + */ + + strncpy(ae->value_string, attrstring, sizeof(ae->value_string)); + len = strnlen(ae->value_string, sizeof(ae->value_string)); + /* round string length to a 32bit boundary. Ensure there's a NULL */ + len += (len & 3) ? (4 - (len & 3)) : 4; + /* size is Type/Len (4 bytes) plus string length */ + size = FOURBYTES + len; + + ae->type = cpu_to_be16(attrtype); + ae->len = cpu_to_be16(size); + + return size; +} + +/* Bitfields for FC4 Types that can be reported */ +#define ATTR_FC4_CT 0x00000001 +#define ATTR_FC4_FCP 0x00000002 +#define ATTR_FC4_NVME 0x00000004 + +static inline int +lpfc_fdmi_set_attr_fc4types(void *attr, uint16_t attrtype, uint32_t typemask) +{ + struct lpfc_fdmi_attr_fc4types *ae = attr; + int size = sizeof(*ae); + + ae->type = cpu_to_be16(attrtype); + ae->len = cpu_to_be16(size); + + if (typemask & ATTR_FC4_FCP) + ae->value_types[2] = 0x01; /* Type 0x8 - FCP */ + + if (typemask & ATTR_FC4_CT) + ae->value_types[7] = 0x01; /* Type 0x20 - CT */ + + if (typemask & ATTR_FC4_NVME) + ae->value_types[6] = 0x01; /* Type 0x28 - NVME */ + + return size; +} + +/* Routines for all individual HBA attributes */ +static int +lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_wwn(attr, RHBA_NODENAME, + &vport->fc_sparam.nodeName); +} + +static int +lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport, void *attr) +{ + /* This string MUST be consistent with other FC platforms + * supported by Broadcom. + */ + return lpfc_fdmi_set_attr_string(attr, RHBA_MANUFACTURER, + "Emulex Corporation"); +} + +static int +lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + + return lpfc_fdmi_set_attr_string(attr, RHBA_SERIAL_NUMBER, + phba->SerialNumber); +} + +static int +lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + + return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL, + phba->ModelName); +} + +static int +lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + + return lpfc_fdmi_set_attr_string(attr, RHBA_MODEL_DESCRIPTION, + phba->ModelDesc); +} + +static int +lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + lpfc_vpd_t *vp = &phba->vpd; + char buf[16] = { 0 }; + + snprintf(buf, sizeof(buf), "%08x", vp->rev.biuRev); + + return lpfc_fdmi_set_attr_string(attr, RHBA_HARDWARE_VERSION, buf); +} + +static int +lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_string(attr, RHBA_DRIVER_VERSION, + lpfc_release_version); +} + +static int +lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + char buf[64] = { 0 }; + + if (phba->sli_rev == LPFC_SLI_REV4) { + lpfc_decode_firmware_rev(phba, buf, 1); + + return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION, + buf); + } + + return lpfc_fdmi_set_attr_string(attr, RHBA_OPTION_ROM_VERSION, + phba->OptionROMVersion); +} + +static int +lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + char buf[64] = { 0 }; + + lpfc_decode_firmware_rev(phba, buf, 1); + + return lpfc_fdmi_set_attr_string(attr, RHBA_FIRMWARE_VERSION, buf); +} + +static int +lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport, void *attr) +{ + char buf[256] = { 0 }; + + snprintf(buf, sizeof(buf), "%s %s %s", + init_utsname()->sysname, + init_utsname()->release, + init_utsname()->version); + + return lpfc_fdmi_set_attr_string(attr, RHBA_OS_NAME_VERSION, buf); +} + +static int +lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_u32(attr, RHBA_MAX_CT_PAYLOAD_LEN, + LPFC_MAX_CT_SIZE); +} + +static int +lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport, void *attr) +{ + char buf[256] = { 0 }; + + lpfc_vport_symbolic_node_name(vport, buf, sizeof(buf)); + + return lpfc_fdmi_set_attr_string(attr, RHBA_SYM_NODENAME, buf); +} + +static int +lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_u32(attr, RHBA_VENDOR_INFO, 0); +} + +static int +lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport, void *attr) +{ + /* Each driver instance corresponds to a single port */ + return lpfc_fdmi_set_attr_u32(attr, RHBA_NUM_PORTS, 1); +} + +static int +lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_wwn(attr, RHBA_FABRIC_WWNN, + &vport->fabric_nodename); +} + +static int +lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + + return lpfc_fdmi_set_attr_string(attr, RHBA_BIOS_VERSION, + phba->BIOSVersion); +} + +static int +lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport, void *attr) +{ + /* Driver doesn't have access to this information */ + return lpfc_fdmi_set_attr_u32(attr, RHBA_BIOS_STATE, 0); +} + +static int +lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_string(attr, RHBA_VENDOR_ID, "EMULEX"); +} + +/* + * Routines for all individual PORT attributes + */ + +static int +lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + u32 fc4types; + + fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP); + + /* Check to see if Firmware supports NVME and on physical port */ + if ((phba->sli_rev == LPFC_SLI_REV4) && (vport == phba->pport) && + phba->sli4_hba.pc_sli4_params.nvme) + fc4types |= ATTR_FC4_NVME; + + return lpfc_fdmi_set_attr_fc4types(attr, RPRT_SUPPORTED_FC4_TYPES, + fc4types); +} + +static int +lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + u32 speeds = 0; + u32 tcfg; + u8 i, cnt; + + if (!(phba->hba_flag & HBA_FCOE_MODE)) { + cnt = 0; + if (phba->sli_rev == LPFC_SLI_REV4) { + tcfg = phba->sli4_hba.conf_trunk; + for (i = 0; i < 4; i++, tcfg >>= 1) + if (tcfg & 1) + cnt++; + } + + if (cnt > 2) { /* 4 lane trunk group */ + if (phba->lmt & LMT_64Gb) + speeds |= HBA_PORTSPEED_256GFC; + if (phba->lmt & LMT_32Gb) + speeds |= HBA_PORTSPEED_128GFC; + if (phba->lmt & LMT_16Gb) + speeds |= HBA_PORTSPEED_64GFC; + } else if (cnt) { /* 2 lane trunk group */ + if (phba->lmt & LMT_128Gb) + speeds |= HBA_PORTSPEED_256GFC; + if (phba->lmt & LMT_64Gb) + speeds |= HBA_PORTSPEED_128GFC; + if (phba->lmt & LMT_32Gb) + speeds |= HBA_PORTSPEED_64GFC; + if (phba->lmt & LMT_16Gb) + speeds |= HBA_PORTSPEED_32GFC; + } else { + if (phba->lmt & LMT_256Gb) + speeds |= HBA_PORTSPEED_256GFC; + if (phba->lmt & LMT_128Gb) + speeds |= HBA_PORTSPEED_128GFC; + if (phba->lmt & LMT_64Gb) + speeds |= HBA_PORTSPEED_64GFC; + if (phba->lmt & LMT_32Gb) + speeds |= HBA_PORTSPEED_32GFC; + if (phba->lmt & LMT_16Gb) + speeds |= HBA_PORTSPEED_16GFC; + if (phba->lmt & LMT_10Gb) + speeds |= HBA_PORTSPEED_10GFC; + if (phba->lmt & LMT_8Gb) + speeds |= HBA_PORTSPEED_8GFC; + if (phba->lmt & LMT_4Gb) + speeds |= HBA_PORTSPEED_4GFC; + if (phba->lmt & LMT_2Gb) + speeds |= HBA_PORTSPEED_2GFC; + if (phba->lmt & LMT_1Gb) + speeds |= HBA_PORTSPEED_1GFC; + } + } else { + /* FCoE links support only one speed */ + switch (phba->fc_linkspeed) { + case LPFC_ASYNC_LINK_SPEED_10GBPS: + speeds = HBA_PORTSPEED_10GE; + break; + case LPFC_ASYNC_LINK_SPEED_25GBPS: + speeds = HBA_PORTSPEED_25GE; + break; + case LPFC_ASYNC_LINK_SPEED_40GBPS: + speeds = HBA_PORTSPEED_40GE; + break; + case LPFC_ASYNC_LINK_SPEED_100GBPS: + speeds = HBA_PORTSPEED_100GE; + break; + } + } + + return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_SPEED, speeds); +} + +static int +lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + u32 speeds = 0; + + if (!(phba->hba_flag & HBA_FCOE_MODE)) { + switch (phba->fc_linkspeed) { + case LPFC_LINK_SPEED_1GHZ: + speeds = HBA_PORTSPEED_1GFC; + break; + case LPFC_LINK_SPEED_2GHZ: + speeds = HBA_PORTSPEED_2GFC; + break; + case LPFC_LINK_SPEED_4GHZ: + speeds = HBA_PORTSPEED_4GFC; + break; + case LPFC_LINK_SPEED_8GHZ: + speeds = HBA_PORTSPEED_8GFC; + break; + case LPFC_LINK_SPEED_10GHZ: + speeds = HBA_PORTSPEED_10GFC; + break; + case LPFC_LINK_SPEED_16GHZ: + speeds = HBA_PORTSPEED_16GFC; + break; + case LPFC_LINK_SPEED_32GHZ: + speeds = HBA_PORTSPEED_32GFC; + break; + case LPFC_LINK_SPEED_64GHZ: + speeds = HBA_PORTSPEED_64GFC; + break; + case LPFC_LINK_SPEED_128GHZ: + speeds = HBA_PORTSPEED_128GFC; + break; + case LPFC_LINK_SPEED_256GHZ: + speeds = HBA_PORTSPEED_256GFC; + break; + default: + speeds = HBA_PORTSPEED_UNKNOWN; + break; + } + } else { + switch (phba->fc_linkspeed) { + case LPFC_ASYNC_LINK_SPEED_10GBPS: + speeds = HBA_PORTSPEED_10GE; + break; + case LPFC_ASYNC_LINK_SPEED_25GBPS: + speeds = HBA_PORTSPEED_25GE; + break; + case LPFC_ASYNC_LINK_SPEED_40GBPS: + speeds = HBA_PORTSPEED_40GE; + break; + case LPFC_ASYNC_LINK_SPEED_100GBPS: + speeds = HBA_PORTSPEED_100GE; + break; + default: + speeds = HBA_PORTSPEED_UNKNOWN; + break; + } + } + + return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_SPEED, speeds); +} + +static int +lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport, void *attr) +{ + struct serv_parm *hsp = (struct serv_parm *)&vport->fc_sparam; + + return lpfc_fdmi_set_attr_u32(attr, RPRT_MAX_FRAME_SIZE, + (((uint32_t)hsp->cmn.bbRcvSizeMsb & 0x0F) << 8) | + (uint32_t)hsp->cmn.bbRcvSizeLsb); +} + +static int +lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport, void *attr) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + char buf[64] = { 0 }; + + snprintf(buf, sizeof(buf), "/sys/class/scsi_host/host%d", + shost->host_no); + + return lpfc_fdmi_set_attr_string(attr, RPRT_OS_DEVICE_NAME, buf); +} + +static int +lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport, void *attr) +{ + char buf[64] = { 0 }; + + scnprintf(buf, sizeof(buf), "%s", vport->phba->os_host_name); + + return lpfc_fdmi_set_attr_string(attr, RPRT_HOST_NAME, buf); +} + +static int +lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_wwn(attr, RPRT_NODENAME, + &vport->fc_sparam.nodeName); +} + +static int +lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_wwn(attr, RPRT_PORTNAME, + &vport->fc_sparam.portName); +} + +static int +lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport, void *attr) +{ + char buf[256] = { 0 }; + + lpfc_vport_symbolic_port_name(vport, buf, sizeof(buf)); + + return lpfc_fdmi_set_attr_string(attr, RPRT_SYM_PORTNAME, buf); +} + +static int +lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + + return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_TYPE, + (phba->fc_topology == LPFC_TOPOLOGY_LOOP) ? + LPFC_FDMI_PORTTYPE_NLPORT : + LPFC_FDMI_PORTTYPE_NPORT); +} + +static int +lpfc_fdmi_port_attr_class(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_u32(attr, RPRT_SUPPORTED_CLASS, + FC_COS_CLASS2 | FC_COS_CLASS3); +} + +static int +lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_wwn(attr, RPRT_FABRICNAME, + &vport->fabric_portname); +} + +static int +lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + u32 fc4types; + + fc4types = (ATTR_FC4_CT | ATTR_FC4_FCP); + + /* Check to see if NVME is configured or not */ + if (vport == phba->pport && + phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) + fc4types |= ATTR_FC4_NVME; + + return lpfc_fdmi_set_attr_fc4types(attr, RPRT_ACTIVE_FC4_TYPES, + fc4types); +} + +static int +lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_STATE, + LPFC_FDMI_PORTSTATE_ONLINE); +} + +static int +lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport, void *attr) +{ + vport->fdmi_num_disc = lpfc_find_map_node(vport); + + return lpfc_fdmi_set_attr_u32(attr, RPRT_DISC_PORT, + vport->fdmi_num_disc); +} + +static int +lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_u32(attr, RPRT_PORT_ID, vport->fc_myDID); +} + +static int +lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_SERVICE, + "Smart SAN Initiator"); +} + +static int +lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_fullwwn(attr, RPRT_SMART_GUID, + &vport->fc_sparam.nodeName, + &vport->fc_sparam.portName); +} + +static int +lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_VERSION, + "Smart SAN Version 2.0"); +} + +static int +lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + + return lpfc_fdmi_set_attr_string(attr, RPRT_SMART_MODEL, + phba->ModelName); +} + +static int +lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport, void *attr) +{ + /* SRIOV (type 3) is not supported */ + + return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_PORT_INFO, + (vport->vpi) ? 2 /* NPIV */ : 1 /* Physical */); +} + +static int +lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_QOS, 0); +} + +static int +lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport, void *attr) +{ + return lpfc_fdmi_set_attr_u32(attr, RPRT_SMART_SECURITY, 1); +} + +static int +lpfc_fdmi_vendor_attr_mi(struct lpfc_vport *vport, void *attr) +{ + struct lpfc_hba *phba = vport->phba; + char buf[32] = { 0 }; + + sprintf(buf, "ELXE2EM:%04d", phba->sli4_hba.pc_sli4_params.mi_ver); + + return lpfc_fdmi_set_attr_string(attr, RPRT_VENDOR_MI, buf); +} + +/* RHBA attribute jump table */ +static int (*lpfc_fdmi_hba_action[]) + (struct lpfc_vport *vport, void *attrbuf) = { + /* Action routine Mask bit Attribute type */ + lpfc_fdmi_hba_attr_wwnn, /* bit0 RHBA_NODENAME */ + lpfc_fdmi_hba_attr_manufacturer, /* bit1 RHBA_MANUFACTURER */ + lpfc_fdmi_hba_attr_sn, /* bit2 RHBA_SERIAL_NUMBER */ + lpfc_fdmi_hba_attr_model, /* bit3 RHBA_MODEL */ + lpfc_fdmi_hba_attr_description, /* bit4 RHBA_MODEL_DESCRIPTION */ + lpfc_fdmi_hba_attr_hdw_ver, /* bit5 RHBA_HARDWARE_VERSION */ + lpfc_fdmi_hba_attr_drvr_ver, /* bit6 RHBA_DRIVER_VERSION */ + lpfc_fdmi_hba_attr_rom_ver, /* bit7 RHBA_OPTION_ROM_VERSION */ + lpfc_fdmi_hba_attr_fmw_ver, /* bit8 RHBA_FIRMWARE_VERSION */ + lpfc_fdmi_hba_attr_os_ver, /* bit9 RHBA_OS_NAME_VERSION */ + lpfc_fdmi_hba_attr_ct_len, /* bit10 RHBA_MAX_CT_PAYLOAD_LEN */ + lpfc_fdmi_hba_attr_symbolic_name, /* bit11 RHBA_SYM_NODENAME */ + lpfc_fdmi_hba_attr_vendor_info, /* bit12 RHBA_VENDOR_INFO */ + lpfc_fdmi_hba_attr_num_ports, /* bit13 RHBA_NUM_PORTS */ + lpfc_fdmi_hba_attr_fabric_wwnn, /* bit14 RHBA_FABRIC_WWNN */ + lpfc_fdmi_hba_attr_bios_ver, /* bit15 RHBA_BIOS_VERSION */ + lpfc_fdmi_hba_attr_bios_state, /* bit16 RHBA_BIOS_STATE */ + lpfc_fdmi_hba_attr_vendor_id, /* bit17 RHBA_VENDOR_ID */ +}; + +/* RPA / RPRT attribute jump table */ +static int (*lpfc_fdmi_port_action[]) + (struct lpfc_vport *vport, void *attrbuf) = { + /* Action routine Mask bit Attribute type */ + lpfc_fdmi_port_attr_fc4type, /* bit0 RPRT_SUPPORT_FC4_TYPES */ + lpfc_fdmi_port_attr_support_speed, /* bit1 RPRT_SUPPORTED_SPEED */ + lpfc_fdmi_port_attr_speed, /* bit2 RPRT_PORT_SPEED */ + lpfc_fdmi_port_attr_max_frame, /* bit3 RPRT_MAX_FRAME_SIZE */ + lpfc_fdmi_port_attr_os_devname, /* bit4 RPRT_OS_DEVICE_NAME */ + lpfc_fdmi_port_attr_host_name, /* bit5 RPRT_HOST_NAME */ + lpfc_fdmi_port_attr_wwnn, /* bit6 RPRT_NODENAME */ + lpfc_fdmi_port_attr_wwpn, /* bit7 RPRT_PORTNAME */ + lpfc_fdmi_port_attr_symbolic_name, /* bit8 RPRT_SYM_PORTNAME */ + lpfc_fdmi_port_attr_port_type, /* bit9 RPRT_PORT_TYPE */ + lpfc_fdmi_port_attr_class, /* bit10 RPRT_SUPPORTED_CLASS */ + lpfc_fdmi_port_attr_fabric_wwpn, /* bit11 RPRT_FABRICNAME */ + lpfc_fdmi_port_attr_active_fc4type, /* bit12 RPRT_ACTIVE_FC4_TYPES */ + lpfc_fdmi_port_attr_port_state, /* bit13 RPRT_PORT_STATE */ + lpfc_fdmi_port_attr_num_disc, /* bit14 RPRT_DISC_PORT */ + lpfc_fdmi_port_attr_nportid, /* bit15 RPRT_PORT_ID */ + lpfc_fdmi_smart_attr_service, /* bit16 RPRT_SMART_SERVICE */ + lpfc_fdmi_smart_attr_guid, /* bit17 RPRT_SMART_GUID */ + lpfc_fdmi_smart_attr_version, /* bit18 RPRT_SMART_VERSION */ + lpfc_fdmi_smart_attr_model, /* bit19 RPRT_SMART_MODEL */ + lpfc_fdmi_smart_attr_port_info, /* bit20 RPRT_SMART_PORT_INFO */ + lpfc_fdmi_smart_attr_qos, /* bit21 RPRT_SMART_QOS */ + lpfc_fdmi_smart_attr_security, /* bit22 RPRT_SMART_SECURITY */ + lpfc_fdmi_vendor_attr_mi, /* bit23 RPRT_VENDOR_MI */ +}; + +/** + * lpfc_fdmi_cmd - Build and send a FDMI cmd to the specified NPort + * @vport: pointer to a host virtual N_Port data structure. + * @ndlp: ndlp to send FDMI cmd to (if NULL use FDMI_DID) + * @cmdcode: FDMI command to send + * @new_mask: Mask of HBA or PORT Attributes to send + * + * Builds and sends a FDMI command using the CT subsystem. + */ +int +lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + int cmdcode, uint32_t new_mask) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_dmabuf *rq, *rsp; + struct lpfc_sli_ct_request *CtReq; + struct ulp_bde64_le *bde; + uint32_t bit_pos; + uint32_t size, addsz; + uint32_t rsp_size; + uint32_t mask; + struct lpfc_fdmi_reg_hba *rh; + struct lpfc_fdmi_port_entry *pe; + struct lpfc_fdmi_reg_portattr *pab = NULL, *base = NULL; + struct lpfc_fdmi_attr_block *ab = NULL; + int (*func)(struct lpfc_vport *vport, void *attrbuf); + void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb); + + if (!ndlp) + return 0; + + cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */ + + /* fill in BDEs for command */ + /* Allocate buffer for command payload */ + rq = kmalloc(sizeof(*rq), GFP_KERNEL); + if (!rq) + goto fdmi_cmd_exit; + + rq->virt = lpfc_mbuf_alloc(phba, 0, &rq->phys); + if (!rq->virt) + goto fdmi_cmd_free_rq; + + /* Allocate buffer for Buffer ptr list */ + rsp = kmalloc(sizeof(*rsp), GFP_KERNEL); + if (!rsp) + goto fdmi_cmd_free_rqvirt; + + rsp->virt = lpfc_mbuf_alloc(phba, 0, &rsp->phys); + if (!rsp->virt) + goto fdmi_cmd_free_rsp; + + INIT_LIST_HEAD(&rq->list); + INIT_LIST_HEAD(&rsp->list); + + /* mbuf buffers are 1K in length - aka LPFC_BPL_SIZE */ + memset(rq->virt, 0, LPFC_BPL_SIZE); + rsp_size = LPFC_BPL_SIZE; + + /* FDMI request */ + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0218 FDMI Request x%x mask x%x Data: x%x x%x x%x\n", + cmdcode, new_mask, vport->fdmi_port_mask, + vport->fc_flag, vport->port_state); + + CtReq = (struct lpfc_sli_ct_request *)rq->virt; + + /* First populate the CT_IU preamble */ + CtReq->RevisionId.bits.Revision = SLI_CT_REVISION; + CtReq->RevisionId.bits.InId = 0; + + CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE; + CtReq->FsSubType = SLI_CT_FDMI_Subtypes; + + CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode); + + size = 0; + + /* Next fill in the specific FDMI cmd information */ + switch (cmdcode) { + case SLI_MGMT_RHAT: + case SLI_MGMT_RHBA: + rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un; + /* HBA Identifier */ + memcpy(&rh->hi.PortName, &phba->pport->fc_sparam.portName, + sizeof(struct lpfc_name)); + size += sizeof(struct lpfc_fdmi_hba_ident); + + if (cmdcode == SLI_MGMT_RHBA) { + /* Registered Port List */ + /* One entry (port) per adapter */ + rh->rpl.EntryCnt = cpu_to_be32(1); + memcpy(&rh->rpl.pe.PortName, + &phba->pport->fc_sparam.portName, + sizeof(struct lpfc_name)); + size += sizeof(struct lpfc_fdmi_reg_port_list); + } + + ab = (struct lpfc_fdmi_attr_block *)((uint8_t *)rh + size); + ab->EntryCnt = 0; + size += FOURBYTES; /* add length of EntryCnt field */ + + bit_pos = 0; + if (new_mask) + mask = new_mask; + else + mask = vport->fdmi_hba_mask; + + /* Mask will dictate what attributes to build in the request */ + while (mask) { + if (mask & 0x1) { + func = lpfc_fdmi_hba_action[bit_pos]; + addsz = func(vport, ((uint8_t *)rh + size)); + if (addsz) { + ab->EntryCnt++; + size += addsz; + } + /* check if another attribute fits */ + if ((size + FDMI_MAX_ATTRLEN) > + (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE)) + goto hba_out; + } + mask = mask >> 1; + bit_pos++; + } +hba_out: + ab->EntryCnt = cpu_to_be32(ab->EntryCnt); + /* Total size */ + size += GID_REQUEST_SZ - 4; + break; + + case SLI_MGMT_RPRT: + if (vport->port_type != LPFC_PHYSICAL_PORT) { + ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); + if (!ndlp) + return 0; + } + fallthrough; + case SLI_MGMT_RPA: + /* Store base ptr right after preamble */ + base = (struct lpfc_fdmi_reg_portattr *)&CtReq->un; + + if (cmdcode == SLI_MGMT_RPRT) { + rh = (struct lpfc_fdmi_reg_hba *)base; + /* HBA Identifier */ + memcpy(&rh->hi.PortName, + &phba->pport->fc_sparam.portName, + sizeof(struct lpfc_name)); + pab = (struct lpfc_fdmi_reg_portattr *) + ((uint8_t *)base + sizeof(struct lpfc_name)); + size += sizeof(struct lpfc_name); + } else { + pab = base; + } + + memcpy((uint8_t *)&pab->PortName, + (uint8_t *)&vport->fc_sparam.portName, + sizeof(struct lpfc_name)); + pab->ab.EntryCnt = 0; + /* add length of name and EntryCnt field */ + size += sizeof(struct lpfc_name) + FOURBYTES; + + bit_pos = 0; + if (new_mask) + mask = new_mask; + else + mask = vport->fdmi_port_mask; + + /* Mask will dictate what attributes to build in the request */ + while (mask) { + if (mask & 0x1) { + func = lpfc_fdmi_port_action[bit_pos]; + addsz = func(vport, ((uint8_t *)base + size)); + if (addsz) { + pab->ab.EntryCnt++; + size += addsz; + } + /* check if another attribute fits */ + if ((size + FDMI_MAX_ATTRLEN) > + (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE)) + goto port_out; + } + mask = mask >> 1; + bit_pos++; + } +port_out: + pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt); + size += GID_REQUEST_SZ - 4; + break; + + case SLI_MGMT_GHAT: + case SLI_MGMT_GRPL: + rsp_size = FC_MAX_NS_RSP; + fallthrough; + case SLI_MGMT_DHBA: + case SLI_MGMT_DHAT: + pe = (struct lpfc_fdmi_port_entry *)&CtReq->un; + 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_GPAT: + case SLI_MGMT_GPAS: + rsp_size = FC_MAX_NS_RSP; + fallthrough; + case SLI_MGMT_DPRT: + if (vport->port_type != LPFC_PHYSICAL_PORT) { + ndlp = lpfc_findnode_did(phba->pport, FDMI_DID); + if (!ndlp) + return 0; + } + fallthrough; + case SLI_MGMT_DPA: + pe = (struct lpfc_fdmi_port_entry *)&CtReq->un; + 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_GRHL: + size = GID_REQUEST_SZ - 4; + break; + default: + lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, + "0298 FDMI cmdcode x%x not supported\n", + cmdcode); + goto fdmi_cmd_free_rspvirt; + } + CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size); + + bde = (struct ulp_bde64_le *)rsp->virt; + bde->addr_high = cpu_to_le32(putPaddrHigh(rq->phys)); + bde->addr_low = cpu_to_le32(putPaddrLow(rq->phys)); + bde->type_size = cpu_to_le32(ULP_BDE64_TYPE_BDE_64 << + ULP_BDE64_TYPE_SHIFT); + bde->type_size |= cpu_to_le32(size); + + /* + * 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, rq, rsp, ndlp, cmpl, rsp_size, 0)) + return 0; + +fdmi_cmd_free_rspvirt: + lpfc_mbuf_free(phba, rsp->virt, rsp->phys); +fdmi_cmd_free_rsp: + kfree(rsp); +fdmi_cmd_free_rqvirt: + lpfc_mbuf_free(phba, rq->virt, rq->phys); +fdmi_cmd_free_rq: + kfree(rq); +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. + * @t: 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(struct timer_list *t) +{ + struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo); + 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_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) + snprintf(fwrevision, FW_REV_STR_SIZE, "%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; +} + +static void +lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_vport *vport = cmdiocb->vport; + struct lpfc_dmabuf *inp = cmdiocb->cmd_dmabuf; + struct lpfc_dmabuf *outp = cmdiocb->rsp_dmabuf; + struct lpfc_sli_ct_request *ctcmd = inp->virt; + struct lpfc_sli_ct_request *ctrsp = outp->virt; + __be16 rsp = ctrsp->CommandResponse.bits.CmdRsp; + struct app_id_object *app; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; + u32 cmd, hash, bucket; + struct lpfc_vmid *vmp, *cur; + u8 *data = outp->virt; + int i; + + cmd = be16_to_cpu(ctcmd->CommandResponse.bits.CmdRsp); + if (cmd == SLI_CTAS_DALLAPP_ID) + lpfc_ct_free_iocb(phba, cmdiocb); + + if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) { + if (cmd != SLI_CTAS_DALLAPP_ID) + goto free_res; + } + /* Check for a CT LS_RJT response */ + if (be16_to_cpu(rsp) == SLI_CT_RESPONSE_FS_RJT) { + if (cmd != SLI_CTAS_DALLAPP_ID) + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "3306 VMID FS_RJT Data: x%x x%x x%x\n", + cmd, ctrsp->ReasonCode, + ctrsp->Explanation); + if ((cmd != SLI_CTAS_DALLAPP_ID) || + (ctrsp->ReasonCode != SLI_CT_UNABLE_TO_PERFORM_REQ) || + (ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) { + /* If DALLAPP_ID failed retry later */ + if (cmd == SLI_CTAS_DALLAPP_ID) + vport->load_flag |= FC_DEREGISTER_ALL_APP_ID; + goto free_res; + } + } + + switch (cmd) { + case SLI_CTAS_RAPP_IDENT: + app = (struct app_id_object *)(RAPP_IDENT_OFFSET + data); + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "6712 RAPP_IDENT app id %d port id x%x id " + "len %d\n", be32_to_cpu(app->app_id), + be32_to_cpu(app->port_id), + app->obj.entity_id_len); + + if (app->obj.entity_id_len == 0 || app->port_id == 0) + goto free_res; + + hash = lpfc_vmid_hash_fn(app->obj.entity_id, + app->obj.entity_id_len); + vmp = lpfc_get_vmid_from_hashtable(vport, hash, + app->obj.entity_id); + if (vmp) { + write_lock(&vport->vmid_lock); + vmp->un.app_id = be32_to_cpu(app->app_id); + vmp->flag |= LPFC_VMID_REGISTERED; + vmp->flag &= ~LPFC_VMID_REQ_REGISTER; + write_unlock(&vport->vmid_lock); + /* Set IN USE flag */ + vport->vmid_flag |= LPFC_VMID_IN_USE; + } else { + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "6901 No entry found %s hash %d\n", + app->obj.entity_id, hash); + } + break; + case SLI_CTAS_DAPP_IDENT: + app = (struct app_id_object *)(DAPP_IDENT_OFFSET + data); + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "6713 DAPP_IDENT app id %d port id x%x\n", + be32_to_cpu(app->app_id), + be32_to_cpu(app->port_id)); + break; + case SLI_CTAS_DALLAPP_ID: + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "8856 Deregistered all app ids\n"); + read_lock(&vport->vmid_lock); + for (i = 0; i < phba->cfg_max_vmid; i++) { + vmp = &vport->vmid[i]; + if (vmp->flag != LPFC_VMID_SLOT_FREE) + memset(vmp, 0, sizeof(struct lpfc_vmid)); + } + read_unlock(&vport->vmid_lock); + /* for all elements in the hash table */ + if (!hash_empty(vport->hash_table)) + hash_for_each(vport->hash_table, bucket, cur, hnode) + hash_del(&cur->hnode); + vport->load_flag |= FC_ALLOW_VMID; + break; + default: + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "8857 Invalid command code\n"); + } +free_res: + lpfc_ct_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); +} + +/** + * lpfc_vmid_cmd - Build and send a FDMI cmd to the specified NPort + * @vport: pointer to a host virtual N_Port data structure. + * @cmdcode: application server command code to send + * @vmid: pointer to vmid info structure + * + * Builds and sends a FDMI command using the CT subsystem. + */ +int +lpfc_vmid_cmd(struct lpfc_vport *vport, + int cmdcode, struct lpfc_vmid *vmid) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_dmabuf *mp, *bmp; + struct lpfc_sli_ct_request *ctreq; + struct ulp_bde64 *bpl; + u32 size; + u32 rsp_size; + u8 *data; + struct lpfc_vmid_rapp_ident_list *rap; + struct lpfc_vmid_dapp_ident_list *dap; + u8 retry = 0; + struct lpfc_nodelist *ndlp; + + void (*cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb); + + ndlp = lpfc_findnode_did(vport, FDMI_DID); + if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) + return 0; + + cmpl = lpfc_cmpl_ct_cmd_vmid; + + /* fill in BDEs for command */ + /* Allocate buffer for command payload */ + mp = kmalloc(sizeof(*mp), GFP_KERNEL); + if (!mp) + goto vmid_free_mp_exit; + + mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); + if (!mp->virt) + goto vmid_free_mp_virt_exit; + + /* Allocate buffer for Buffer ptr list */ + bmp = kmalloc(sizeof(*bmp), GFP_KERNEL); + if (!bmp) + goto vmid_free_bmp_exit; + + bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys); + if (!bmp->virt) + goto vmid_free_bmp_virt_exit; + + INIT_LIST_HEAD(&mp->list); + INIT_LIST_HEAD(&bmp->list); + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "3275 VMID Request Data: x%x x%x x%x\n", + vport->fc_flag, vport->port_state, cmdcode); + ctreq = (struct lpfc_sli_ct_request *)mp->virt; + data = mp->virt; + /* First populate the CT_IU preamble */ + memset(data, 0, LPFC_BPL_SIZE); + ctreq->RevisionId.bits.Revision = SLI_CT_REVISION; + ctreq->RevisionId.bits.InId = 0; + + ctreq->FsType = SLI_CT_MANAGEMENT_SERVICE; + ctreq->FsSubType = SLI_CT_APP_SEV_Subtypes; + + ctreq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode); + rsp_size = LPFC_BPL_SIZE; + size = 0; + + switch (cmdcode) { + case SLI_CTAS_RAPP_IDENT: + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "1329 RAPP_IDENT for %s\n", vmid->host_vmid); + ctreq->un.PortID = cpu_to_be32(vport->fc_myDID); + rap = (struct lpfc_vmid_rapp_ident_list *) + (DAPP_IDENT_OFFSET + data); + rap->no_of_objects = cpu_to_be32(1); + rap->obj[0].entity_id_len = vmid->vmid_len; + memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len); + size = RAPP_IDENT_OFFSET + + struct_size(rap, obj, be32_to_cpu(rap->no_of_objects)); + retry = 1; + break; + + case SLI_CTAS_GALLAPPIA_ID: + ctreq->un.PortID = cpu_to_be32(vport->fc_myDID); + size = GALLAPPIA_ID_SIZE; + break; + + case SLI_CTAS_DAPP_IDENT: + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "1469 DAPP_IDENT for %s\n", vmid->host_vmid); + ctreq->un.PortID = cpu_to_be32(vport->fc_myDID); + dap = (struct lpfc_vmid_dapp_ident_list *) + (DAPP_IDENT_OFFSET + data); + dap->no_of_objects = cpu_to_be32(1); + dap->obj[0].entity_id_len = vmid->vmid_len; + memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len); + size = DAPP_IDENT_OFFSET + + struct_size(dap, obj, be32_to_cpu(dap->no_of_objects)); + write_lock(&vport->vmid_lock); + vmid->flag &= ~LPFC_VMID_REGISTERED; + write_unlock(&vport->vmid_lock); + retry = 1; + break; + + case SLI_CTAS_DALLAPP_ID: + ctreq->un.PortID = cpu_to_be32(vport->fc_myDID); + size = DALLAPP_ID_SIZE; + break; + + default: + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "7062 VMID cmdcode x%x not supported\n", + cmdcode); + goto vmid_free_all_mem; + } + + ctreq->CommandResponse.bits.Size = cpu_to_be16(rsp_size); + + bpl = (struct ulp_bde64 *)bmp->virt; + bpl->addrHigh = putPaddrHigh(mp->phys); + bpl->addrLow = putPaddrLow(mp->phys); + bpl->tus.f.bdeFlags = 0; + bpl->tus.f.bdeSize = size; + + /* 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)) + return 0; + + vmid_free_all_mem: + lpfc_mbuf_free(phba, bmp->virt, bmp->phys); + vmid_free_bmp_virt_exit: + kfree(bmp); + vmid_free_bmp_exit: + lpfc_mbuf_free(phba, mp->virt, mp->phys); + vmid_free_mp_virt_exit: + kfree(mp); + vmid_free_mp_exit: + + /* Issue CT request failed */ + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY, + "3276 VMID CT request failed Data: x%x\n", cmdcode); + return -EIO; +} |