LXR linux/drivers/infiniband/hw/bnxt_re/qplib

   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
  45struct bnxt_qplib_dev_attr {
  46#define FW_VER_ARR_LEN                  4
  47        u8                              fw_ver[FW_VER_ARR_LEN];
  48#define BNXT_QPLIB_NUM_GIDS_SUPPORTED   256
  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_srq;
  67        u32                             max_srq_wqes;
  68        u32                             max_srq_sges;
  69        u32                             max_pkey;
  70        u32                             max_inline_data;
  71        u32                             l2_db_size;
  72        u8                              tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
  73        bool                            is_atomic;
  74};
  75
  76struct bnxt_qplib_pd {
  77        u32                             id;
  78};
  79
  80struct bnxt_qplib_gid {
  81        u8                              data[16];
  82};
  83
  84struct bnxt_qplib_gid_info {
  85        struct bnxt_qplib_gid gid;
  86        u16 vlan_id;
  87};
  88
  89struct bnxt_qplib_ah {
  90        struct bnxt_qplib_gid           dgid;
  91        struct bnxt_qplib_pd            *pd;
  92        u32                             id;
  93        u8                              sgid_index;
  94        /* For Query AH if the hw table and SW table are differnt */
  95        u8                              host_sgid_index;
  96        u8                              traffic_class;
  97        u32                             flow_label;
  98        u8                              hop_limit;
  99        u8                              sl;
 100        u8                              dmac[6];
 101        u16                             vlan_id;
 102        u8                              nw_type;
 103};
 104
 105struct bnxt_qplib_mrw {
 106        struct bnxt_qplib_pd            *pd;
 107        int                             type;
 108        u32                             flags;
 109#define BNXT_QPLIB_FR_PMR               0x80000000
 110        u32                             lkey;
 111        u32                             rkey;
 112#define BNXT_QPLIB_RSVD_LKEY            0xFFFFFFFF
 113        u64                             va;
 114        u64                             total_size;
 115        u32                             npages;
 116        u64                             mr_handle;
 117        struct bnxt_qplib_hwq           hwq;
 118};
 119
 120struct bnxt_qplib_frpl {
 121        int                             max_pg_ptrs;
 122        struct bnxt_qplib_hwq           hwq;
 123};
 124
 125#define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
 126#define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
 127#define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
 128#define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
 129#define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
 130#define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
 131#define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)
 132
 133struct bnxt_qplib_roce_stats {
 134        u64 to_retransmits;
 135        u64 seq_err_naks_rcvd;
 136        /* seq_err_naks_rcvd is 64 b */
 137        u64 max_retry_exceeded;
 138        /* max_retry_exceeded is 64 b */
 139        u64 rnr_naks_rcvd;
 140        /* rnr_naks_rcvd is 64 b */
 141        u64 missing_resp;
 142        u64 unrecoverable_err;
 143        /* unrecoverable_err is 64 b */
 144        u64 bad_resp_err;
 145        /* bad_resp_err is 64 b */
 146        u64 local_qp_op_err;
 147        /* local_qp_op_err is 64 b */
 148        u64 local_protection_err;
 149        /* local_protection_err is 64 b */
 150        u64 mem_mgmt_op_err;
 151        /* mem_mgmt_op_err is 64 b */
 152        u64 remote_invalid_req_err;
 153        /* remote_invalid_req_err is 64 b */
 154        u64 remote_access_err;
 155        /* remote_access_err is 64 b */
 156        u64 remote_op_err;
 157        /* remote_op_err is 64 b */
 158        u64 dup_req;
 159        /* dup_req is 64 b */
 160        u64 res_exceed_max;
 161        /* res_exceed_max is 64 b */
 162        u64 res_length_mismatch;
 163        /* res_length_mismatch is 64 b */
 164        u64 res_exceeds_wqe;
 165        /* res_exceeds_wqe is 64 b */
 166        u64 res_opcode_err;
 167        /* res_opcode_err is 64 b */
 168        u64 res_rx_invalid_rkey;
 169        /* res_rx_invalid_rkey is 64 b */
 170        u64 res_rx_domain_err;
 171        /* res_rx_domain_err is 64 b */
 172        u64 res_rx_no_perm;
 173        /* res_rx_no_perm is 64 b */
 174        u64 res_rx_range_err;
 175        /* res_rx_range_err is 64 b */
 176        u64 res_tx_invalid_rkey;
 177        /* res_tx_invalid_rkey is 64 b */
 178        u64 res_tx_domain_err;
 179        /* res_tx_domain_err is 64 b */
 180        u64 res_tx_no_perm;
 181        /* res_tx_no_perm is 64 b */
 182        u64 res_tx_range_err;
 183        /* res_tx_range_err is 64 b */
 184        u64 res_irrq_oflow;
 185        /* res_irrq_oflow is 64 b */
 186        u64 res_unsup_opcode;
 187        /* res_unsup_opcode is 64 b */
 188        u64 res_unaligned_atomic;
 189        /* res_unaligned_atomic is 64 b */
 190        u64 res_rem_inv_err;
 191        /* res_rem_inv_err is 64 b */
 192        u64 res_mem_error;
 193        /* res_mem_error is 64 b */
 194        u64 res_srq_err;
 195        /* res_srq_err is 64 b */
 196        u64 res_cmp_err;
 197        /* res_cmp_err is 64 b */
 198        u64 res_invalid_dup_rkey;
 199        /* res_invalid_dup_rkey is 64 b */
 200        u64 res_wqe_format_err;
 201        /* res_wqe_format_err is 64 b */
 202        u64 res_cq_load_err;
 203        /* res_cq_load_err is 64 b */
 204        u64 res_srq_load_err;
 205        /* res_srq_load_err is 64 b */
 206        u64 res_tx_pci_err;
 207        /* res_tx_pci_err is 64 b */
 208        u64 res_rx_pci_err;
 209        /* res_rx_pci_err is 64 b */
 210        u64 res_oos_drop_count;
 211        /* res_oos_drop_count */
 212        u64     active_qp_count_p0;
 213        /* port 0 active qps */
 214        u64     active_qp_count_p1;
 215        /* port 1 active qps */
 216        u64     active_qp_count_p2;
 217        /* port 2 active qps */
 218        u64     active_qp_count_p3;
 219        /* port 3 active qps */
 220};
 221
 222int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 223                        struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 224                        struct bnxt_qplib_gid *gid);
 225int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 226                        struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
 227int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 228                        struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
 229                        bool update, u32 *index);
 230int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 231                           struct bnxt_qplib_gid *gid, u16 gid_idx, u8 *smac);
 232int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 233                        struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
 234                        u16 *pkey);
 235int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
 236                        struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 237                        bool update);
 238int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 239                        struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 240                        bool update);
 241int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 242                            struct bnxt_qplib_dev_attr *attr, bool vf);
 243int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
 244                                  struct bnxt_qplib_rcfw *rcfw,
 245                                  struct bnxt_qplib_ctx *ctx);
 246int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 247                         bool block);
 248void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 249                           bool block);
 250int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 251                         struct bnxt_qplib_mrw *mrw);
 252int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 253                         bool block);
 254int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
 255                      struct ib_umem *umem, int num_pbls, u32 buf_pg_size);
 256int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
 257int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
 258                                 struct bnxt_qplib_mrw *mr, int max);
 259int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 260                                        struct bnxt_qplib_frpl *frpl, int max);
 261int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 262                                       struct bnxt_qplib_frpl *frpl);
 263int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
 264int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
 265                              struct bnxt_qplib_roce_stats *stats);
 266#endif /* __BNXT_QPLIB_SP_H__*/
 267