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 #include <rdma/bnxt_re-abi.h>
  44 #define BNXT_QPLIB_RESERVED_QP_WRS      128
  45
  46 struct bnxt_qplib_dev_attr {
  47 #define FW_VER_ARR_LEN                  4
  48         u8                              fw_ver[FW_VER_ARR_LEN];
  49 #define BNXT_QPLIB_NUM_GIDS_SUPPORTED   256
  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 #define BNXT_QPLIB_MAX_CQ_WQES          0xfffff
  60         u32                             max_cq_wqes;
  61         u32                             max_cq_sges;
  62         u32                             max_mr;
  63         u64                             max_mr_size;
  64         u32                             max_pd;
  65         u32                             max_mw;
  66         u32                             max_raw_ethy_qp;
  67         u32                             max_ah;
  68         u32                             max_srq;
  69         u32                             max_srq_wqes;
  70         u32                             max_srq_sges;
  71         u32                             max_pkey;
  72         u32                             max_inline_data;
  73         u32                             l2_db_size;
  74         u8                              tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
  75         bool                            is_atomic;
  76         u16                             dev_cap_flags;
  77         u16                             dev_cap_flags2;
  78         u32                             max_dpi;
  79 };
  80
  81 struct bnxt_qplib_pd {
  82         u32                             id;
  83 };
  84
  85 struct bnxt_qplib_gid {
  86         u8                              data[16];
  87 };
  88
  89 struct bnxt_qplib_gid_info {
  90         struct bnxt_qplib_gid gid;
  91         u16 vlan_id;
  92 };
  93
  94 struct bnxt_qplib_ah {
  95         struct bnxt_qplib_gid           dgid;
  96         struct bnxt_qplib_pd            *pd;
  97         u32                             id;
  98         u8                              sgid_index;
  99         /* For Query AH if the hw table and SW table are differnt */
 100         u8                              host_sgid_index;
 101         u8                              traffic_class;
 102         u32                             flow_label;
 103         u8                              hop_limit;
 104         u8                              sl;
 105         u8                              dmac[6];
 106         u16                             vlan_id;
 107         u8                              nw_type;
 108 };
 109
 110 struct bnxt_qplib_mrw {
 111         struct bnxt_qplib_pd            *pd;
 112         int                             type;
 113         u32                             access_flags;
 114 #define BNXT_QPLIB_FR_PMR               0x80000000
 115         u32                             lkey;
 116         u32                             rkey;
 117 #define BNXT_QPLIB_RSVD_LKEY            0xFFFFFFFF
 118         u64                             va;
 119         u64                             total_size;
 120         u32                             npages;
 121         u16                             flags;
 122         u64                             mr_handle;
 123         struct bnxt_qplib_hwq           hwq;
 124 };
 125
 126 struct bnxt_qplib_frpl {
 127         int                             max_pg_ptrs;
 128         struct bnxt_qplib_hwq           hwq;
 129 };
 130
 131 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
 132 #define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
 133 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
 134 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
 135 #define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
 136 #define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
 137 #define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)
 138
 139 struct bnxt_qplib_roce_stats {
 140         u64 to_retransmits;
 141         u64 seq_err_naks_rcvd;
 142         /* seq_err_naks_rcvd is 64 b */
 143         u64 max_retry_exceeded;
 144         /* max_retry_exceeded is 64 b */
 145         u64 rnr_naks_rcvd;
 146         /* rnr_naks_rcvd is 64 b */
 147         u64 missing_resp;
 148         u64 unrecoverable_err;
 149         /* unrecoverable_err is 64 b */
 150         u64 bad_resp_err;
 151         /* bad_resp_err is 64 b */
 152         u64 local_qp_op_err;
 153         /* local_qp_op_err is 64 b */
 154         u64 local_protection_err;
 155         /* local_protection_err is 64 b */
 156         u64 mem_mgmt_op_err;
 157         /* mem_mgmt_op_err is 64 b */
 158         u64 remote_invalid_req_err;
 159         /* remote_invalid_req_err is 64 b */
 160         u64 remote_access_err;
 161         /* remote_access_err is 64 b */
 162         u64 remote_op_err;
 163         /* remote_op_err is 64 b */
 164         u64 dup_req;
 165         /* dup_req is 64 b */
 166         u64 res_exceed_max;
 167         /* res_exceed_max is 64 b */
 168         u64 res_length_mismatch;
 169         /* res_length_mismatch is 64 b */
 170         u64 res_exceeds_wqe;
 171         /* res_exceeds_wqe is 64 b */
 172         u64 res_opcode_err;
 173         /* res_opcode_err is 64 b */
 174         u64 res_rx_invalid_rkey;
 175         /* res_rx_invalid_rkey is 64 b */
 176         u64 res_rx_domain_err;
 177         /* res_rx_domain_err is 64 b */
 178         u64 res_rx_no_perm;
 179         /* res_rx_no_perm is 64 b */
 180         u64 res_rx_range_err;
 181         /* res_rx_range_err is 64 b */
 182         u64 res_tx_invalid_rkey;
 183         /* res_tx_invalid_rkey is 64 b */
 184         u64 res_tx_domain_err;
 185         /* res_tx_domain_err is 64 b */
 186         u64 res_tx_no_perm;
 187         /* res_tx_no_perm is 64 b */
 188         u64 res_tx_range_err;
 189         /* res_tx_range_err is 64 b */
 190         u64 res_irrq_oflow;
 191         /* res_irrq_oflow is 64 b */
 192         u64 res_unsup_opcode;
 193         /* res_unsup_opcode is 64 b */
 194         u64 res_unaligned_atomic;
 195         /* res_unaligned_atomic is 64 b */
 196         u64 res_rem_inv_err;
 197         /* res_rem_inv_err is 64 b */
 198         u64 res_mem_error;
 199         /* res_mem_error is 64 b */
 200         u64 res_srq_err;
 201         /* res_srq_err is 64 b */
 202         u64 res_cmp_err;
 203         /* res_cmp_err is 64 b */
 204         u64 res_invalid_dup_rkey;
 205         /* res_invalid_dup_rkey is 64 b */
 206         u64 res_wqe_format_err;
 207         /* res_wqe_format_err is 64 b */
 208         u64 res_cq_load_err;
 209         /* res_cq_load_err is 64 b */
 210         u64 res_srq_load_err;
 211         /* res_srq_load_err is 64 b */
 212         u64 res_tx_pci_err;
 213         /* res_tx_pci_err is 64 b */
 214         u64 res_rx_pci_err;
 215         /* res_rx_pci_err is 64 b */
 216         u64 res_oos_drop_count;
 217         /* res_oos_drop_count */
 218         u64     active_qp_count_p0;
 219         /* port 0 active qps */
 220         u64     active_qp_count_p1;
 221         /* port 1 active qps */
 222         u64     active_qp_count_p2;
 223         /* port 2 active qps */
 224         u64     active_qp_count_p3;
 225         /* port 3 active qps */
 226 };
 227
 228 struct bnxt_qplib_ext_stat {
 229         u64  tx_atomic_req;
 230         u64  tx_read_req;
 231         u64  tx_read_res;
 232         u64  tx_write_req;
 233         u64  tx_send_req;
 234         u64  tx_roce_pkts;
 235         u64  tx_roce_bytes;
 236         u64  rx_atomic_req;
 237         u64  rx_read_req;
 238         u64  rx_read_res;
 239         u64  rx_write_req;
 240         u64  rx_send_req;
 241         u64  rx_roce_pkts;
 242         u64  rx_roce_bytes;
 243         u64  rx_roce_good_pkts;
 244         u64  rx_roce_good_bytes;
 245         u64  rx_out_of_buffer;
 246         u64  rx_out_of_sequence;
 247         u64  tx_cnp;
 248         u64  rx_cnp;
 249         u64  rx_ecn_marked;
 250 };
 251
 252 struct bnxt_qplib_cc_param_ext {
 253         u64 ext_mask;
 254         u16 inact_th_hi;
 255         u16 min_delta_cnp;
 256         u16 init_cp;
 257         u8 tr_update_mode;
 258         u8 tr_update_cyls;
 259         u8 fr_rtt;
 260         u8 ai_rate_incr;
 261         u16 rr_rtt_th;
 262         u16 ar_cr_th;
 263         u16 cr_min_th;
 264         u8 bw_avg_weight;
 265         u8 cr_factor;
 266         u16 cr_th_max_cp;
 267         u8 cp_bias_en;
 268         u8 cp_bias;
 269         u8 cnp_ecn;
 270         u8 rtt_jitter_en;
 271         u16 bytes_per_usec;
 272         u16 cc_cr_reset_th;
 273         u8 cr_width;
 274         u8 min_quota;
 275         u8 max_quota;
 276         u8 abs_max_quota;
 277         u16 tr_lb;
 278         u8 cr_prob_fac;
 279         u8 tr_prob_fac;
 280         u16 fair_cr_th;
 281         u8 red_div;
 282         u8 cnp_ratio_th;
 283         u16 ai_ext_rtt;
 284         u8 exp_crcp_ratio;
 285         u8 low_rate_en;
 286         u16 cpcr_update_th;
 287         u16 ai_rtt_th1;
 288         u16 ai_rtt_th2;
 289         u16 cf_rtt_th;
 290         u16 sc_cr_th1; /* severe congestion cr threshold 1 */
 291         u16 sc_cr_th2; /* severe congestion cr threshold 2 */
 292         u32 l64B_per_rtt;
 293         u8 cc_ack_bytes;
 294         u16 reduce_cf_rtt_th;
 295 };
 296
 297 struct bnxt_qplib_cc_param {
 298         u8 alt_vlan_pcp;
 299         u16 alt_tos_dscp;
 300         u8 cc_mode;
 301         u8 enable;
 302         u16 inact_th;
 303         u16 init_cr;
 304         u16 init_tr;
 305         u16 rtt;
 306         u8 g;
 307         u8 nph_per_state;
 308         u8 time_pph;
 309         u8 pkts_pph;
 310         u8 tos_ecn;
 311         u8 tos_dscp;
 312         u16 tcp_cp;
 313         struct bnxt_qplib_cc_param_ext cc_ext;
 314         u32 mask;
 315 };
 316
 317 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 318                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 319                         struct bnxt_qplib_gid *gid);
 320 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 321                         struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
 322 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 323                         struct bnxt_qplib_gid *gid, const u8 *mac, u16 vlan_id,
 324                         bool update, u32 *index);
 325 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 326                            struct bnxt_qplib_gid *gid, u16 gid_idx,
 327                            const u8 *smac);
 328 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 329                             struct bnxt_qplib_dev_attr *attr);
 330 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
 331                                   struct bnxt_qplib_rcfw *rcfw,
 332                                   struct bnxt_qplib_ctx *ctx);
 333 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 334                          bool block);
 335 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
 336                           bool block);
 337 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
 338                          struct bnxt_qplib_mrw *mrw);
 339 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 340                          bool block);
 341 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
 342                       struct ib_umem *umem, int num_pbls, u32 buf_pg_size);
 343 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
 344 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
 345                                  struct bnxt_qplib_mrw *mr, int max);
 346 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 347                                         struct bnxt_qplib_frpl *frpl, int max);
 348 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 349                                        struct bnxt_qplib_frpl *frpl);
 350 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
 351                               struct bnxt_qplib_roce_stats *stats);
 352 int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
 353                          struct bnxt_qplib_ext_stat *estat);
 354 int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
 355                          struct bnxt_qplib_cc_param *cc_param);
 356 int bnxt_qplib_read_context(struct bnxt_qplib_rcfw *rcfw, u8 type, u32 xid,
 357                             u32 resp_size, void *resp_va);
 358
 359 #define BNXT_VAR_MAX_WQE       4352
 360 #define BNXT_VAR_MAX_SLOT_ALIGN 256
 361 #define BNXT_VAR_MAX_SGE        13
 362 #define BNXT_RE_MAX_RQ_WQES     65536
 363
 364 #define BNXT_STATIC_MAX_SGE     6
 365
 366 #endif /* __BNXT_QPLIB_SP_H__*/