LXR linux/drivers/scsi/lpfc/lpfc

   1/*******************************************************************
   2 * This file is part of the Emulex Linux Device Driver for         *
   3 * Fibre Channel Host Bus Adapters.                                *
   4 * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
   5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.  *
   6 * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
   7 * EMULEX and SLI are trademarks of Emulex.                        *
   8 * www.broadcom.com                                                *
   9 * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
  10 *                                                                 *
  11 * This program is free software; you can redistribute it and/or   *
  12 * modify it under the terms of version 2 of the GNU General       *
  13 * Public License as published by the Free Software Foundation.    *
  14 * This program is distributed in the hope that it will be useful. *
  15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  19 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  20 * more details, a copy of which can be found in the file COPYING  *
  21 * included with this package.                                     *
  22 ********************************************************************/
  23
  24#define LPFC_NVME_DEFAULT_SEGS          (64 + 1)        /* 256K IOs */
  25
  26#define LPFC_NVME_ERSP_LEN              0x20
  27
  28#define LPFC_NVME_WAIT_TMO              10
  29#define LPFC_NVME_EXPEDITE_XRICNT       8
  30#define LPFC_NVME_FB_SHIFT              9
  31#define LPFC_NVME_MAX_FB                (1 << 20)       /* 1M */
  32
  33#define LPFC_MAX_NVME_INFO_TMP_LEN      100
  34#define LPFC_NVME_INFO_MORE_STR         "\nCould be more info...\n"
  35
  36#define lpfc_ndlp_get_nrport(ndlp)                                      \
  37        ((!ndlp->nrport || (ndlp->upcall_flags & NLP_WAIT_FOR_UNREG))   \
  38        ? NULL : ndlp->nrport)
  39
  40struct lpfc_nvme_qhandle {
  41        uint32_t index;         /* WQ index to use */
  42        uint32_t qidx;          /* queue index passed to create */
  43        uint32_t cpu_id;        /* current cpu id at time of create */
  44};
  45
  46/* Declare nvme-based local and remote port definitions. */
  47struct lpfc_nvme_lport {
  48        struct lpfc_vport *vport;
  49        struct completion *lport_unreg_cmp;
  50        /* Add stats counters here */
  51        atomic_t fc4NvmeLsRequests;
  52        atomic_t fc4NvmeLsCmpls;
  53        atomic_t xmt_fcp_noxri;
  54        atomic_t xmt_fcp_bad_ndlp;
  55        atomic_t xmt_fcp_qdepth;
  56        atomic_t xmt_fcp_wqerr;
  57        atomic_t xmt_fcp_err;
  58        atomic_t xmt_fcp_abort;
  59        atomic_t xmt_ls_abort;
  60        atomic_t xmt_ls_err;
  61        atomic_t cmpl_fcp_xb;
  62        atomic_t cmpl_fcp_err;
  63        atomic_t cmpl_ls_xb;
  64        atomic_t cmpl_ls_err;
  65};
  66
  67struct lpfc_nvme_rport {
  68        struct lpfc_nvme_lport *lport;
  69        struct nvme_fc_remote_port *remoteport;
  70        struct lpfc_nodelist *ndlp;
  71        struct completion rport_unreg_done;
  72};
  73
  74struct lpfc_nvme_fcpreq_priv {
  75        struct lpfc_io_buf *nvme_buf;
  76};
  77