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 struct bnxt_qplib_dev_attr {
  44         char                            fw_ver[32];
  45         u16                             max_sgid;
  46         u16                             max_mrw;
  47         u32                             max_qp;
  48 #define BNXT_QPLIB_MAX_OUT_RD_ATOM      126
  49         u32                             max_qp_rd_atom;
  50         u32                             max_qp_init_rd_atom;
  51         u32                             max_qp_wqes;
  52         u32                             max_qp_sges;
  53         u32                             max_cq;
  54         u32                             max_cq_wqes;
  55         u32                             max_cq_sges;
  56         u32                             max_mr;
  57         u64                             max_mr_size;
  58         u32                             max_pd;
  59         u32                             max_mw;
  60         u32                             max_raw_ethy_qp;
  61         u32                             max_ah;
  62         u32                             max_fmr;
  63         u32                             max_map_per_fmr;
  64         u32                             max_srq;
  65         u32                             max_srq_wqes;
  66         u32                             max_srq_sges;
  67         u32                             max_pkey;
  68         u32                             max_inline_data;
  69         u32                             l2_db_size;
  70         u8                              tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
  71 };
  72
  73 struct bnxt_qplib_pd {
  74         u32                             id;
  75 };
  76
  77 struct bnxt_qplib_gid {
  78         u8                              data[16];
  79 };
  80
  81 struct bnxt_qplib_ah {
  82         struct bnxt_qplib_gid           dgid;
  83         struct bnxt_qplib_pd            *pd;
  84         u32                             id;
  85         u8                              sgid_index;
  86         /* For Query AH if the hw table and SW table are differnt */
  87         u8                              host_sgid_index;
  88         u8                              traffic_class;
  89         u32                             flow_label;
  90         u8                              hop_limit;
  91         u8                              sl;
  92         u8                              dmac[6];
  93         u16                             vlan_id;
  94         u8                              nw_type;
  95 };
  96
  97 struct bnxt_qplib_mrw {
  98         struct bnxt_qplib_pd            *pd;
  99         int                             type;
 100         u32                             flags;
 101 #define BNXT_QPLIB_FR_PMR               0x80000000
 102         u32                             lkey;
 103         u32                             rkey;
 104 #define BNXT_QPLIB_RSVD_LKEY            0xFFFFFFFF
 105         u64                             va;
 106         u64                             total_size;
 107         u32                             npages;
 108         u64                             mr_handle;
 109         struct bnxt_qplib_hwq           hwq;
 110 };
 111
 112 struct bnxt_qplib_frpl {
 113         int                             max_pg_ptrs;
 114         struct bnxt_qplib_hwq           hwq;
 115 };
 116
 117 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
 118 #define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
 119 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
 120 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
 121 #define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
 122 #define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
 123 #define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)
 124
 125 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 126                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 127                         struct bnxt_qplib_gid *gid);
 128 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 129                         struct bnxt_qplib_gid *gid, bool update);
 130 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 131                         struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
 132                         bool update, u32 *index);
 133 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 134                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
 135                         u16 *pkey);
 136 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
 137                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 138                         bool update);
 139 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 140                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 141                         bool update);
 142 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 143                             struct bnxt_qplib_dev_attr *attr);
 144 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
 145 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
 146 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 147                          struct bnxt_qplib_mrw *mrw);
 148 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 149                          bool block);
 150 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
 151                       u64 *pbl_tbl, int num_pbls, bool block);
 152 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
 153 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
 154                                  struct bnxt_qplib_mrw *mr, int max);
 155 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 156                                         struct bnxt_qplib_frpl *frpl, int max);
 157 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 158                                        struct bnxt_qplib_frpl *frpl);
 159 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
 160 #endif /* __BNXT_QPLIB_SP_H__*/