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 #define FW_VER_ARR_LEN                  4
  49         u8                              fw_ver[FW_VER_ARR_LEN];
  50         u16                             max_sgid;
  51         u16                             max_mrw;
  52         u32                             max_qp;
  53 #define BNXT_QPLIB_MAX_OUT_RD_ATOM      126
  54         u32                             max_qp_rd_atom;
  55         u32                             max_qp_init_rd_atom;
  56         u32                             max_qp_wqes;
  57         u32                             max_qp_sges;
  58         u32                             max_cq;
  59         u32                             max_cq_wqes;
  60         u32                             max_cq_sges;
  61         u32                             max_mr;
  62         u64                             max_mr_size;
  63         u32                             max_pd;
  64         u32                             max_mw;
  65         u32                             max_raw_ethy_qp;
  66         u32                             max_ah;
  67         u32                             max_fmr;
  68         u32                             max_map_per_fmr;
  69         u32                             max_srq;
  70         u32                             max_srq_wqes;
  71         u32                             max_srq_sges;
  72         u32                             max_pkey;
  73         u32                             max_inline_data;
  74         u32                             l2_db_size;
  75         u8                              tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
  76         bool                            is_atomic;
  77 };
  78
  79 struct bnxt_qplib_pd {
  80         u32                             id;
  81 };
  82
  83 struct bnxt_qplib_gid {
  84         u8                              data[16];
  85 };
  86
  87 struct bnxt_qplib_ah {
  88         struct bnxt_qplib_gid           dgid;
  89         struct bnxt_qplib_pd            *pd;
  90         u32                             id;
  91         u8                              sgid_index;
  92         /* For Query AH if the hw table and SW table are differnt */
  93         u8                              host_sgid_index;
  94         u8                              traffic_class;
  95         u32                             flow_label;
  96         u8                              hop_limit;
  97         u8                              sl;
  98         u8                              dmac[6];
  99         u16                             vlan_id;
 100         u8                              nw_type;
 101 };
 102
 103 struct bnxt_qplib_mrw {
 104         struct bnxt_qplib_pd            *pd;
 105         int                             type;
 106         u32                             flags;
 107 #define BNXT_QPLIB_FR_PMR               0x80000000
 108         u32                             lkey;
 109         u32                             rkey;
 110 #define BNXT_QPLIB_RSVD_LKEY            0xFFFFFFFF
 111         u64                             va;
 112         u64                             total_size;
 113         u32                             npages;
 114         u64                             mr_handle;
 115         struct bnxt_qplib_hwq           hwq;
 116 };
 117
 118 struct bnxt_qplib_frpl {
 119         int                             max_pg_ptrs;
 120         struct bnxt_qplib_hwq           hwq;
 121 };
 122
 123 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
 124 #define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
 125 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
 126 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
 127 #define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
 128 #define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
 129 #define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)
 130
 131 struct bnxt_qplib_roce_stats {
 132         u64 to_retransmits;
 133         u64 seq_err_naks_rcvd;
 134         /* seq_err_naks_rcvd is 64 b */
 135         u64 max_retry_exceeded;
 136         /* max_retry_exceeded is 64 b */
 137         u64 rnr_naks_rcvd;
 138         /* rnr_naks_rcvd is 64 b */
 139         u64 missing_resp;
 140         u64 unrecoverable_err;
 141         /* unrecoverable_err is 64 b */
 142         u64 bad_resp_err;
 143         /* bad_resp_err is 64 b */
 144         u64 local_qp_op_err;
 145         /* local_qp_op_err is 64 b */
 146         u64 local_protection_err;
 147         /* local_protection_err is 64 b */
 148         u64 mem_mgmt_op_err;
 149         /* mem_mgmt_op_err is 64 b */
 150         u64 remote_invalid_req_err;
 151         /* remote_invalid_req_err is 64 b */
 152         u64 remote_access_err;
 153         /* remote_access_err is 64 b */
 154         u64 remote_op_err;
 155         /* remote_op_err is 64 b */
 156         u64 dup_req;
 157         /* dup_req is 64 b */
 158         u64 res_exceed_max;
 159         /* res_exceed_max is 64 b */
 160         u64 res_length_mismatch;
 161         /* res_length_mismatch is 64 b */
 162         u64 res_exceeds_wqe;
 163         /* res_exceeds_wqe is 64 b */
 164         u64 res_opcode_err;
 165         /* res_opcode_err is 64 b */
 166         u64 res_rx_invalid_rkey;
 167         /* res_rx_invalid_rkey is 64 b */
 168         u64 res_rx_domain_err;
 169         /* res_rx_domain_err is 64 b */
 170         u64 res_rx_no_perm;
 171         /* res_rx_no_perm is 64 b */
 172         u64 res_rx_range_err;
 173         /* res_rx_range_err is 64 b */
 174         u64 res_tx_invalid_rkey;
 175         /* res_tx_invalid_rkey is 64 b */
 176         u64 res_tx_domain_err;
 177         /* res_tx_domain_err is 64 b */
 178         u64 res_tx_no_perm;
 179         /* res_tx_no_perm is 64 b */
 180         u64 res_tx_range_err;
 181         /* res_tx_range_err is 64 b */
 182         u64 res_irrq_oflow;
 183         /* res_irrq_oflow is 64 b */
 184         u64 res_unsup_opcode;
 185         /* res_unsup_opcode is 64 b */
 186         u64 res_unaligned_atomic;
 187         /* res_unaligned_atomic is 64 b */
 188         u64 res_rem_inv_err;
 189         /* res_rem_inv_err is 64 b */
 190         u64 res_mem_error;
 191         /* res_mem_error is 64 b */
 192         u64 res_srq_err;
 193         /* res_srq_err is 64 b */
 194         u64 res_cmp_err;
 195         /* res_cmp_err is 64 b */
 196         u64 res_invalid_dup_rkey;
 197         /* res_invalid_dup_rkey is 64 b */
 198         u64 res_wqe_format_err;
 199         /* res_wqe_format_err is 64 b */
 200         u64 res_cq_load_err;
 201         /* res_cq_load_err is 64 b */
 202         u64 res_srq_load_err;
 203         /* res_srq_load_err is 64 b */
 204         u64 res_tx_pci_err;
 205         /* res_tx_pci_err is 64 b */
 206         u64 res_rx_pci_err;
 207         /* res_rx_pci_err is 64 b */
 208 };
 209
 210 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 211                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 212                         struct bnxt_qplib_gid *gid);
 213 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 214                         struct bnxt_qplib_gid *gid, bool update);
 215 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 216                         struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
 217                         bool update, u32 *index);
 218 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 219                            struct bnxt_qplib_gid *gid, u16 gid_idx, u8 *smac);
 220 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 221                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
 222                         u16 *pkey);
 223 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
 224                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 225                         bool update);
 226 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 227                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 228                         bool update);
 229 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 230                             struct bnxt_qplib_dev_attr *attr, bool vf);
 231 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
 232                                   struct bnxt_qplib_rcfw *rcfw,
 233                                   struct bnxt_qplib_ctx *ctx);
 234 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
 235 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
 236 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 237                          struct bnxt_qplib_mrw *mrw);
 238 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 239                          bool block);
 240 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
 241                       u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size);
 242 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
 243 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
 244                                  struct bnxt_qplib_mrw *mr, int max);
 245 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 246                                         struct bnxt_qplib_frpl *frpl, int max);
 247 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 248                                        struct bnxt_qplib_frpl *frpl);
 249 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
 250 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
 251                               struct bnxt_qplib_roce_stats *stats);
 252 #endif /* __BNXT_QPLIB_SP_H__*/