drivers/scsi/lpfc/lpfc_nvme.h

   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
  40 struct 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. */
  47 struct 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
  67 struct 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
  74 struct lpfc_nvme_fcpreq_priv {
  75         struct lpfc_io_buf *nvme_buf;
  76 };