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_gid_info {
  88         struct bnxt_qplib_gid gid;
  89         u16 vlan_id;
  90 };
  91
  92 struct bnxt_qplib_ah {
  93         struct bnxt_qplib_gid           dgid;
  94         struct bnxt_qplib_pd            *pd;
  95         u32                             id;
  96         u8                              sgid_index;
  97         /* For Query AH if the hw table and SW table are differnt */
  98         u8                              host_sgid_index;
  99         u8                              traffic_class;
 100         u32                             flow_label;
 101         u8                              hop_limit;
 102         u8                              sl;
 103         u8                              dmac[6];
 104         u16                             vlan_id;
 105         u8                              nw_type;
 106 };
 107
 108 struct bnxt_qplib_mrw {
 109         struct bnxt_qplib_pd            *pd;
 110         int                             type;
 111         u32                             flags;
 112 #define BNXT_QPLIB_FR_PMR               0x80000000
 113         u32                             lkey;
 114         u32                             rkey;
 115 #define BNXT_QPLIB_RSVD_LKEY            0xFFFFFFFF
 116         u64                             va;
 117         u64                             total_size;
 118         u32                             npages;
 119         u64                             mr_handle;
 120         struct bnxt_qplib_hwq           hwq;
 121 };
 122
 123 struct bnxt_qplib_frpl {
 124         int                             max_pg_ptrs;
 125         struct bnxt_qplib_hwq           hwq;
 126 };
 127
 128 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
 129 #define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
 130 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
 131 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
 132 #define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
 133 #define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
 134 #define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)
 135
 136 struct bnxt_qplib_roce_stats {
 137         u64 to_retransmits;
 138         u64 seq_err_naks_rcvd;
 139         /* seq_err_naks_rcvd is 64 b */
 140         u64 max_retry_exceeded;
 141         /* max_retry_exceeded is 64 b */
 142         u64 rnr_naks_rcvd;
 143         /* rnr_naks_rcvd is 64 b */
 144         u64 missing_resp;
 145         u64 unrecoverable_err;
 146         /* unrecoverable_err is 64 b */
 147         u64 bad_resp_err;
 148         /* bad_resp_err is 64 b */
 149         u64 local_qp_op_err;
 150         /* local_qp_op_err is 64 b */
 151         u64 local_protection_err;
 152         /* local_protection_err is 64 b */
 153         u64 mem_mgmt_op_err;
 154         /* mem_mgmt_op_err is 64 b */
 155         u64 remote_invalid_req_err;
 156         /* remote_invalid_req_err is 64 b */
 157         u64 remote_access_err;
 158         /* remote_access_err is 64 b */
 159         u64 remote_op_err;
 160         /* remote_op_err is 64 b */
 161         u64 dup_req;
 162         /* dup_req is 64 b */
 163         u64 res_exceed_max;
 164         /* res_exceed_max is 64 b */
 165         u64 res_length_mismatch;
 166         /* res_length_mismatch is 64 b */
 167         u64 res_exceeds_wqe;
 168         /* res_exceeds_wqe is 64 b */
 169         u64 res_opcode_err;
 170         /* res_opcode_err is 64 b */
 171         u64 res_rx_invalid_rkey;
 172         /* res_rx_invalid_rkey is 64 b */
 173         u64 res_rx_domain_err;
 174         /* res_rx_domain_err is 64 b */
 175         u64 res_rx_no_perm;
 176         /* res_rx_no_perm is 64 b */
 177         u64 res_rx_range_err;
 178         /* res_rx_range_err is 64 b */
 179         u64 res_tx_invalid_rkey;
 180         /* res_tx_invalid_rkey is 64 b */
 181         u64 res_tx_domain_err;
 182         /* res_tx_domain_err is 64 b */
 183         u64 res_tx_no_perm;
 184         /* res_tx_no_perm is 64 b */
 185         u64 res_tx_range_err;
 186         /* res_tx_range_err is 64 b */
 187         u64 res_irrq_oflow;
 188         /* res_irrq_oflow is 64 b */
 189         u64 res_unsup_opcode;
 190         /* res_unsup_opcode is 64 b */
 191         u64 res_unaligned_atomic;
 192         /* res_unaligned_atomic is 64 b */
 193         u64 res_rem_inv_err;
 194         /* res_rem_inv_err is 64 b */
 195         u64 res_mem_error;
 196         /* res_mem_error is 64 b */
 197         u64 res_srq_err;
 198         /* res_srq_err is 64 b */
 199         u64 res_cmp_err;
 200         /* res_cmp_err is 64 b */
 201         u64 res_invalid_dup_rkey;
 202         /* res_invalid_dup_rkey is 64 b */
 203         u64 res_wqe_format_err;
 204         /* res_wqe_format_err is 64 b */
 205         u64 res_cq_load_err;
 206         /* res_cq_load_err is 64 b */
 207         u64 res_srq_load_err;
 208         /* res_srq_load_err is 64 b */
 209         u64 res_tx_pci_err;
 210         /* res_tx_pci_err is 64 b */
 211         u64 res_rx_pci_err;
 212         /* res_rx_pci_err is 64 b */
 213         u64 res_oos_drop_count;
 214         /* res_oos_drop_count */
 215         u64     active_qp_count_p0;
 216         /* port 0 active qps */
 217         u64     active_qp_count_p1;
 218         /* port 1 active qps */
 219         u64     active_qp_count_p2;
 220         /* port 2 active qps */
 221         u64     active_qp_count_p3;
 222         /* port 3 active qps */
 223 };
 224
 225 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 226                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 227                         struct bnxt_qplib_gid *gid);
 228 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 229                         struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
 230 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 231                         struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
 232                         bool update, u32 *index);
 233 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 234                            struct bnxt_qplib_gid *gid, u16 gid_idx, u8 *smac);
 235 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 236                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
 237                         u16 *pkey);
 238 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
 239                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 240                         bool update);
 241 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 242                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 243                         bool update);
 244 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 245                             struct bnxt_qplib_dev_attr *attr, bool vf);
 246 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
 247                                   struct bnxt_qplib_rcfw *rcfw,
 248                                   struct bnxt_qplib_ctx *ctx);
 249 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 250                          bool block);
 251 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 252                            bool block);
 253 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 254                          struct bnxt_qplib_mrw *mrw);
 255 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 256                          bool block);
 257 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
 258                       u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size);
 259 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
 260 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
 261                                  struct bnxt_qplib_mrw *mr, int max);
 262 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 263                                         struct bnxt_qplib_frpl *frpl, int max);
 264 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 265                                        struct bnxt_qplib_frpl *frpl);
 266 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
 267 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
 268                               struct bnxt_qplib_roce_stats *stats);
 269 #endif /* __BNXT_QPLIB_SP_H__*/