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__*/ 367