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
  45#define PCI_EXP_DEVCTL2_ATOMIC_REQ      0x0040
  46
  47struct 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
  79struct bnxt_qplib_pd {
  80        u32                             id;
  81};
  82
  83struct bnxt_qplib_gid {
  84        u8                              data[16];
  85};
  86
  87struct bnxt_qplib_gid_info {
  88        struct bnxt_qplib_gid gid;
  89        u16 vlan_id;
  90};
  91
  92struct 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
 108struct 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
 123struct 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
 136struct 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
 225int 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);
 228int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 229                        struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
 230int 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);
 233int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 234                           struct bnxt_qplib_gid *gid, u16 gid_idx, u8 *smac);
 235int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 236                        struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
 237                        u16 *pkey);
 238int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
 239                        struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 240                        bool update);
 241int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 242                        struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 243                        bool update);
 244int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 245                            struct bnxt_qplib_dev_attr *attr, bool vf);
 246int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
 247                                  struct bnxt_qplib_rcfw *rcfw,
 248                                  struct bnxt_qplib_ctx *ctx);
 249int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 250                         bool block);
 251void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 252                           bool block);
 253int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 254                         struct bnxt_qplib_mrw *mrw);
 255int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 256                         bool block);
 257int 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);
 259int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
 260int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
 261                                 struct bnxt_qplib_mrw *mr, int max);
 262int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 263                                        struct bnxt_qplib_frpl *frpl, int max);
 264int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 265                                       struct bnxt_qplib_frpl *frpl);
 266int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
 267int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
 268                              struct bnxt_qplib_roce_stats *stats);
 269#endif /* __BNXT_QPLIB_SP_H__*/
 270