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 };