drivers/infiniband/hw/bnxt_re/qplib_sp.h

   1 /*
   2  * Broadcom NetXtreme-E RoCE driver.
   3  *
   4  * Copyright (c) 2016 - 2017, Broadcom. All rights reserved.  The term
   5  * Broadcom refers to Broadcom Limited and/or its subsidiaries.
   6  *
   7  * This software is available to you under a choice of one of two
   8  * licenses.  You may choose to be licensed under the terms of the GNU
   9  * General Public License (GPL) Version 2, available from the file
  10  * COPYING in the main directory of this source tree, or the
  11  * BSD license below:
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  *
  17  * 1. Redistributions of source code must retain the above copyright
  18  *    notice, this list of conditions and the following disclaimer.
  19  * 2. Redistributions in binary form must reproduce the above copyright
  20  *    notice, this list of conditions and the following disclaimer in
  21  *    the documentation and/or other materials provided with the
  22  *    distribution.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
  25  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  26  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  27  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
  28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  31  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  32  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  33  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  34  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  *
  36  * Description: Slow Path Operators (header)
  37  *
  38  */
  39
  40 #ifndef __BNXT_QPLIB_SP_H__
  41 #define __BNXT_QPLIB_SP_H__
  42
  43 #define BNXT_QPLIB_RESERVED_QP_WRS      128
  44
  45 #define PCI_EXP_DEVCTL2_ATOMIC_REQ      0x0040
  46
  47 struct bnxt_qplib_dev_attr {
  48         char                            fw_ver[32];
  49         u16                             max_sgid;
  50         u16                             max_mrw;
  51         u32                             max_qp;
  52 #define BNXT_QPLIB_MAX_OUT_RD_ATOM      126
  53         u32                             max_qp_rd_atom;
  54         u32                             max_qp_init_rd_atom;
  55         u32                             max_qp_wqes;
  56         u32                             max_qp_sges;
  57         u32                             max_cq;
  58         u32                             max_cq_wqes;
  59         u32                             max_cq_sges;
  60         u32                             max_mr;
  61         u64                             max_mr_size;
  62         u32                             max_pd;
  63         u32                             max_mw;
  64         u32                             max_raw_ethy_qp;
  65         u32                             max_ah;
  66         u32                             max_fmr;
  67         u32                             max_map_per_fmr;
  68         u32                             max_srq;
  69         u32                             max_srq_wqes;
  70         u32                             max_srq_sges;
  71         u32                             max_pkey;
  72         u32                             max_inline_data;
  73         u32                             l2_db_size;
  74         u8                              tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
  75         bool                            is_atomic;
  76 };
  77
  78 struct bnxt_qplib_pd {
  79         u32                             id;
  80 };
  81
  82 struct bnxt_qplib_gid {
  83         u8                              data[16];
  84 };
  85
  86 struct bnxt_qplib_ah {
  87         struct bnxt_qplib_gid           dgid;
  88         struct bnxt_qplib_pd            *pd;
  89         u32                             id;
  90         u8                              sgid_index;
  91         /* For Query AH if the hw table and SW table are differnt */
  92         u8                              host_sgid_index;
  93         u8                              traffic_class;
  94         u32                             flow_label;
  95         u8                              hop_limit;
  96         u8                              sl;
  97         u8                              dmac[6];
  98         u16                             vlan_id;
  99         u8                              nw_type;
 100 };
 101
 102 struct bnxt_qplib_mrw {
 103         struct bnxt_qplib_pd            *pd;
 104         int                             type;
 105         u32                             flags;
 106 #define BNXT_QPLIB_FR_PMR               0x80000000
 107         u32                             lkey;
 108         u32                             rkey;
 109 #define BNXT_QPLIB_RSVD_LKEY            0xFFFFFFFF
 110         u64                             va;
 111         u64                             total_size;
 112         u32                             npages;
 113         u64                             mr_handle;
 114         struct bnxt_qplib_hwq           hwq;
 115 };
 116
 117 struct bnxt_qplib_frpl {
 118         int                             max_pg_ptrs;
 119         struct bnxt_qplib_hwq           hwq;
 120 };
 121
 122 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
 123 #define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
 124 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
 125 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
 126 #define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
 127 #define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
 128 #define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)
 129
 130 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 131                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 132                         struct bnxt_qplib_gid *gid);
 133 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 134                         struct bnxt_qplib_gid *gid, bool update);
 135 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 136                         struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
 137                         bool update, u32 *index);
 138 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 139                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
 140                         u16 *pkey);
 141 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
 142                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 143                         bool update);
 144 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 145                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 146                         bool update);
 147 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 148                             struct bnxt_qplib_dev_attr *attr);
 149 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
 150 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
 151 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 152                          struct bnxt_qplib_mrw *mrw);
 153 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 154                          bool block);
 155 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
 156                       u64 *pbl_tbl, int num_pbls, bool block);
 157 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
 158 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
 159                                  struct bnxt_qplib_mrw *mr, int max);
 160 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 161                                         struct bnxt_qplib_frpl *frpl, int max);
 162 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 163                                        struct bnxt_qplib_frpl *frpl);
 164 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
 165 #endif /* __BNXT_QPLIB_SP_H__*/