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 37 */ 38 39 #define dev_fmt(fmt) "QPLIB: " fmt 40 41 #include <linux/interrupt.h> 42 #include <linux/spinlock.h> 43 #include <linux/sched.h> 44 #include <linux/pci.h> 45 46 #include "roce_hsi.h" 47 48 #include "qplib_res.h" 49 #include "qplib_rcfw.h" 50 #include "qplib_sp.h" 51 52 const struct bnxt_qplib_gid bnxt_qplib_gid_zero = {{ 0, 0, 0, 0, 0, 0, 0, 0, 53 0, 0, 0, 0, 0, 0, 0, 0 } }; 54 55 /* Device */ 56 57 static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw, 58 char *fw_ver) 59 { 60 struct cmdq_query_version req; 61 struct creq_query_version_resp resp; 62 u16 cmd_flags = 0; 63 int rc = 0; 64 65 RCFW_CMD_PREP(req, QUERY_VERSION, cmd_flags); 66 67 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 68 (void *)&resp, NULL, 0); 69 if (rc) 70 return; 71 fw_ver[0] = resp.fw_maj; 72 fw_ver[1] = resp.fw_minor; 73 fw_ver[2] = resp.fw_bld; 74 fw_ver[3] = resp.fw_rsvd; 75 } 76 77 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, 78 struct bnxt_qplib_dev_attr *attr, bool vf) 79 { 80 struct cmdq_query_func req; 81 struct creq_query_func_resp resp; 82 struct bnxt_qplib_rcfw_sbuf *sbuf; 83 struct creq_query_func_resp_sb *sb; 84 u16 cmd_flags = 0; 85 u32 temp; 86 u8 *tqm_alloc; 87 int i, rc = 0; 88 89 RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags); 90 91 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 92 if (!sbuf) { 93 dev_err(&rcfw->pdev->dev, 94 "SP: QUERY_FUNC alloc side buffer failed\n"); 95 return -ENOMEM; 96 } 97 98 sb = sbuf->sb; 99 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 100 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 101 (void *)sbuf, 0); 102 if (rc) 103 goto bail; 104 105 /* Extract the context from the side buffer */ 106 attr->max_qp = le32_to_cpu(sb->max_qp); 107 /* max_qp value reported by FW for PF doesn't include the QP1 for PF */ 108 if (!vf) 109 attr->max_qp += 1; 110 attr->max_qp_rd_atom = 111 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? 112 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom; 113 attr->max_qp_init_rd_atom = 114 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? 115 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom; 116 attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr); 117 /* 118 * 128 WQEs needs to be reserved for the HW (8916). Prevent 119 * reporting the max number 120 */ 121 attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS; 122 attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ? 123 6 : sb->max_sge; 124 attr->max_cq = le32_to_cpu(sb->max_cq); 125 attr->max_cq_wqes = le32_to_cpu(sb->max_cqe); 126 attr->max_cq_sges = attr->max_qp_sges; 127 attr->max_mr = le32_to_cpu(sb->max_mr); 128 attr->max_mw = le32_to_cpu(sb->max_mw); 129 130 attr->max_mr_size = le64_to_cpu(sb->max_mr_size); 131 attr->max_pd = 64 * 1024; 132 attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp); 133 attr->max_ah = le32_to_cpu(sb->max_ah); 134 135 attr->max_fmr = le32_to_cpu(sb->max_fmr); 136 attr->max_map_per_fmr = sb->max_map_per_fmr; 137 138 attr->max_srq = le16_to_cpu(sb->max_srq); 139 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1; 140 attr->max_srq_sges = sb->max_srq_sge; 141 attr->max_pkey = le32_to_cpu(sb->max_pkeys); 142 /* 143 * Some versions of FW reports more than 0xFFFF. 144 * Restrict it for now to 0xFFFF to avoid 145 * reporting trucated value 146 */ 147 if (attr->max_pkey > 0xFFFF) { 148 /* ib_port_attr::pkey_tbl_len is u16 */ 149 attr->max_pkey = 0xFFFF; 150 } 151 152 attr->max_inline_data = le32_to_cpu(sb->max_inline_data); 153 attr->l2_db_size = (sb->l2_db_space_size + 1) * 154 (0x01 << RCFW_DBR_BASE_PAGE_SHIFT); 155 attr->max_sgid = le32_to_cpu(sb->max_gid); 156 157 bnxt_qplib_query_version(rcfw, attr->fw_ver); 158 159 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) { 160 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]); 161 tqm_alloc = (u8 *)&temp; 162 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc; 163 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc); 164 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc); 165 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); 166 } 167 168 attr->is_atomic = false; 169 bail: 170 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 171 return rc; 172 } 173 174 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res, 175 struct bnxt_qplib_rcfw *rcfw, 176 struct bnxt_qplib_ctx *ctx) 177 { 178 struct cmdq_set_func_resources req; 179 struct creq_set_func_resources_resp resp; 180 u16 cmd_flags = 0; 181 int rc = 0; 182 183 RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags); 184 185 req.number_of_qp = cpu_to_le32(ctx->qpc_count); 186 req.number_of_mrw = cpu_to_le32(ctx->mrw_count); 187 req.number_of_srq = cpu_to_le32(ctx->srqc_count); 188 req.number_of_cq = cpu_to_le32(ctx->cq_count); 189 190 req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf); 191 req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf); 192 req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf); 193 req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf); 194 req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf); 195 196 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 197 (void *)&resp, 198 NULL, 0); 199 if (rc) { 200 dev_err(&res->pdev->dev, "Failed to set function resources\n"); 201 } 202 return rc; 203 } 204 205 /* SGID */ 206 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, 207 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, 208 struct bnxt_qplib_gid *gid) 209 { 210 if (index >= sgid_tbl->max) { 211 dev_err(&res->pdev->dev, 212 "Index %d exceeded SGID table max (%d)\n", 213 index, sgid_tbl->max); 214 return -EINVAL; 215 } 216 memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid)); 217 return 0; 218 } 219 220 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 221 struct bnxt_qplib_gid *gid, bool update) 222 { 223 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 224 struct bnxt_qplib_res, 225 sgid_tbl); 226 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 227 int index; 228 229 if (!sgid_tbl) { 230 dev_err(&res->pdev->dev, "SGID table not allocated\n"); 231 return -EINVAL; 232 } 233 /* Do we need a sgid_lock here? */ 234 if (!sgid_tbl->active) { 235 dev_err(&res->pdev->dev, "SGID table has no active entries\n"); 236 return -ENOMEM; 237 } 238 for (index = 0; index < sgid_tbl->max; index++) { 239 if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid))) 240 break; 241 } 242 if (index == sgid_tbl->max) { 243 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n"); 244 return 0; 245 } 246 /* Remove GID from the SGID table */ 247 if (update) { 248 struct cmdq_delete_gid req; 249 struct creq_delete_gid_resp resp; 250 u16 cmd_flags = 0; 251 int rc; 252 253 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags); 254 if (sgid_tbl->hw_id[index] == 0xFFFF) { 255 dev_err(&res->pdev->dev, 256 "GID entry contains an invalid HW id\n"); 257 return -EINVAL; 258 } 259 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]); 260 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 261 (void *)&resp, NULL, 0); 262 if (rc) 263 return rc; 264 } 265 memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero, 266 sizeof(bnxt_qplib_gid_zero)); 267 sgid_tbl->vlan[index] = 0; 268 sgid_tbl->active--; 269 dev_dbg(&res->pdev->dev, 270 "SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n", 271 index, sgid_tbl->hw_id[index], sgid_tbl->active); 272 sgid_tbl->hw_id[index] = (u16)-1; 273 274 /* unlock */ 275 return 0; 276 } 277 278 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 279 struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id, 280 bool update, u32 *index) 281 { 282 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 283 struct bnxt_qplib_res, 284 sgid_tbl); 285 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 286 int i, free_idx; 287 288 if (!sgid_tbl) { 289 dev_err(&res->pdev->dev, "SGID table not allocated\n"); 290 return -EINVAL; 291 } 292 /* Do we need a sgid_lock here? */ 293 if (sgid_tbl->active == sgid_tbl->max) { 294 dev_err(&res->pdev->dev, "SGID table is full\n"); 295 return -ENOMEM; 296 } 297 free_idx = sgid_tbl->max; 298 for (i = 0; i < sgid_tbl->max; i++) { 299 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) { 300 dev_dbg(&res->pdev->dev, 301 "SGID entry already exist in entry %d!\n", i); 302 *index = i; 303 return -EALREADY; 304 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero, 305 sizeof(bnxt_qplib_gid_zero)) && 306 free_idx == sgid_tbl->max) { 307 free_idx = i; 308 } 309 } 310 if (free_idx == sgid_tbl->max) { 311 dev_err(&res->pdev->dev, 312 "SGID table is FULL but count is not MAX??\n"); 313 return -ENOMEM; 314 } 315 if (update) { 316 struct cmdq_add_gid req; 317 struct creq_add_gid_resp resp; 318 u16 cmd_flags = 0; 319 int rc; 320 321 RCFW_CMD_PREP(req, ADD_GID, cmd_flags); 322 323 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 324 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 325 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 326 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 327 /* 328 * driver should ensure that all RoCE traffic is always VLAN 329 * tagged if RoCE traffic is running on non-zero VLAN ID or 330 * RoCE traffic is running on non-zero Priority. 331 */ 332 if ((vlan_id != 0xFFFF) || res->prio) { 333 if (vlan_id != 0xFFFF) 334 req.vlan = cpu_to_le16 335 (vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK); 336 req.vlan |= cpu_to_le16 337 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 338 CMDQ_ADD_GID_VLAN_VLAN_EN); 339 } 340 341 /* MAC in network format */ 342 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 343 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 344 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 345 346 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 347 (void *)&resp, NULL, 0); 348 if (rc) 349 return rc; 350 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid); 351 } 352 /* Add GID to the sgid_tbl */ 353 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid)); 354 sgid_tbl->active++; 355 if (vlan_id != 0xFFFF) 356 sgid_tbl->vlan[free_idx] = 1; 357 358 dev_dbg(&res->pdev->dev, 359 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n", 360 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active); 361 362 *index = free_idx; 363 /* unlock */ 364 return 0; 365 } 366 367 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 368 struct bnxt_qplib_gid *gid, u16 gid_idx, 369 u8 *smac) 370 { 371 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 372 struct bnxt_qplib_res, 373 sgid_tbl); 374 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 375 struct creq_modify_gid_resp resp; 376 struct cmdq_modify_gid req; 377 int rc; 378 u16 cmd_flags = 0; 379 380 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags); 381 382 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 383 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 384 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 385 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 386 if (res->prio) { 387 req.vlan |= cpu_to_le16 388 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 389 CMDQ_ADD_GID_VLAN_VLAN_EN); 390 } 391 392 /* MAC in network format */ 393 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 394 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 395 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 396 397 req.gid_index = cpu_to_le16(gid_idx); 398 399 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 400 (void *)&resp, NULL, 0); 401 return rc; 402 } 403 404 /* pkeys */ 405 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res, 406 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index, 407 u16 *pkey) 408 { 409 if (index == 0xFFFF) { 410 *pkey = 0xFFFF; 411 return 0; 412 } 413 if (index >= pkey_tbl->max) { 414 dev_err(&res->pdev->dev, 415 "Index %d exceeded PKEY table max (%d)\n", 416 index, pkey_tbl->max); 417 return -EINVAL; 418 } 419 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey)); 420 return 0; 421 } 422 423 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res, 424 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 425 bool update) 426 { 427 int i, rc = 0; 428 429 if (!pkey_tbl) { 430 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 431 return -EINVAL; 432 } 433 434 /* Do we need a pkey_lock here? */ 435 if (!pkey_tbl->active) { 436 dev_err(&res->pdev->dev, "PKEY table has no active entries\n"); 437 return -ENOMEM; 438 } 439 for (i = 0; i < pkey_tbl->max; i++) { 440 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 441 break; 442 } 443 if (i == pkey_tbl->max) { 444 dev_err(&res->pdev->dev, 445 "PKEY 0x%04x not found in the pkey table\n", *pkey); 446 return -ENOMEM; 447 } 448 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey)); 449 pkey_tbl->active--; 450 451 /* unlock */ 452 return rc; 453 } 454 455 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res, 456 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 457 bool update) 458 { 459 int i, free_idx, rc = 0; 460 461 if (!pkey_tbl) { 462 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 463 return -EINVAL; 464 } 465 466 /* Do we need a pkey_lock here? */ 467 if (pkey_tbl->active == pkey_tbl->max) { 468 dev_err(&res->pdev->dev, "PKEY table is full\n"); 469 return -ENOMEM; 470 } 471 free_idx = pkey_tbl->max; 472 for (i = 0; i < pkey_tbl->max; i++) { 473 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 474 return -EALREADY; 475 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max) 476 free_idx = i; 477 } 478 if (free_idx == pkey_tbl->max) { 479 dev_err(&res->pdev->dev, 480 "PKEY table is FULL but count is not MAX??\n"); 481 return -ENOMEM; 482 } 483 /* Add PKEY to the pkey_tbl */ 484 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey)); 485 pkey_tbl->active++; 486 487 /* unlock */ 488 return rc; 489 } 490 491 /* AH */ 492 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 493 bool block) 494 { 495 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 496 struct cmdq_create_ah req; 497 struct creq_create_ah_resp resp; 498 u16 cmd_flags = 0; 499 u32 temp32[4]; 500 u16 temp16[3]; 501 int rc; 502 503 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags); 504 505 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid)); 506 req.dgid[0] = cpu_to_le32(temp32[0]); 507 req.dgid[1] = cpu_to_le32(temp32[1]); 508 req.dgid[2] = cpu_to_le32(temp32[2]); 509 req.dgid[3] = cpu_to_le32(temp32[3]); 510 511 req.type = ah->nw_type; 512 req.hop_limit = ah->hop_limit; 513 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]); 514 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label & 515 CMDQ_CREATE_AH_FLOW_LABEL_MASK) | 516 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK); 517 req.pd_id = cpu_to_le32(ah->pd->id); 518 req.traffic_class = ah->traffic_class; 519 520 /* MAC in network format */ 521 memcpy(temp16, ah->dmac, 6); 522 req.dest_mac[0] = cpu_to_le16(temp16[0]); 523 req.dest_mac[1] = cpu_to_le16(temp16[1]); 524 req.dest_mac[2] = cpu_to_le16(temp16[2]); 525 526 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 527 NULL, block); 528 if (rc) 529 return rc; 530 531 ah->id = le32_to_cpu(resp.xid); 532 return 0; 533 } 534 535 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 536 bool block) 537 { 538 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 539 struct cmdq_destroy_ah req; 540 struct creq_destroy_ah_resp resp; 541 u16 cmd_flags = 0; 542 543 /* Clean up the AH table in the device */ 544 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags); 545 546 req.ah_cid = cpu_to_le32(ah->id); 547 548 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL, 549 block); 550 } 551 552 /* MRW */ 553 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 554 { 555 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 556 struct cmdq_deallocate_key req; 557 struct creq_deallocate_key_resp resp; 558 u16 cmd_flags = 0; 559 int rc; 560 561 if (mrw->lkey == 0xFFFFFFFF) { 562 dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n"); 563 return 0; 564 } 565 566 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags); 567 568 req.mrw_flags = mrw->type; 569 570 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 571 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 572 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 573 req.key = cpu_to_le32(mrw->rkey); 574 else 575 req.key = cpu_to_le32(mrw->lkey); 576 577 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 578 NULL, 0); 579 if (rc) 580 return rc; 581 582 /* Free the qplib's MRW memory */ 583 if (mrw->hwq.max_elements) 584 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); 585 586 return 0; 587 } 588 589 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 590 { 591 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 592 struct cmdq_allocate_mrw req; 593 struct creq_allocate_mrw_resp resp; 594 u16 cmd_flags = 0; 595 unsigned long tmp; 596 int rc; 597 598 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags); 599 600 req.pd_id = cpu_to_le32(mrw->pd->id); 601 req.mrw_flags = mrw->type; 602 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR && 603 mrw->flags & BNXT_QPLIB_FR_PMR) || 604 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A || 605 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B) 606 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY; 607 tmp = (unsigned long)mrw; 608 req.mrw_handle = cpu_to_le64(tmp); 609 610 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 611 (void *)&resp, NULL, 0); 612 if (rc) 613 return rc; 614 615 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 616 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 617 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 618 mrw->rkey = le32_to_cpu(resp.xid); 619 else 620 mrw->lkey = le32_to_cpu(resp.xid); 621 return 0; 622 } 623 624 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw, 625 bool block) 626 { 627 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 628 struct cmdq_deregister_mr req; 629 struct creq_deregister_mr_resp resp; 630 u16 cmd_flags = 0; 631 int rc; 632 633 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags); 634 635 req.lkey = cpu_to_le32(mrw->lkey); 636 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 637 (void *)&resp, NULL, block); 638 if (rc) 639 return rc; 640 641 /* Free the qplib's MR memory */ 642 if (mrw->hwq.max_elements) { 643 mrw->va = 0; 644 mrw->total_size = 0; 645 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); 646 } 647 648 return 0; 649 } 650 651 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, 652 u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size) 653 { 654 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 655 struct cmdq_register_mr req; 656 struct creq_register_mr_resp resp; 657 u16 cmd_flags = 0, level; 658 int pg_ptrs, pages, i, rc; 659 dma_addr_t **pbl_ptr; 660 u32 pg_size; 661 662 if (num_pbls) { 663 /* Allocate memory for the non-leaf pages to store buf ptrs. 664 * Non-leaf pages always uses system PAGE_SIZE 665 */ 666 pg_ptrs = roundup_pow_of_two(num_pbls); 667 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 668 if (!pages) 669 pages++; 670 671 if (pages > MAX_PBL_LVL_1_PGS) { 672 dev_err(&res->pdev->dev, 673 "SP: Reg MR pages requested (0x%x) exceeded max (0x%x)\n", 674 pages, MAX_PBL_LVL_1_PGS); 675 return -ENOMEM; 676 } 677 /* Free the hwq if it already exist, must be a rereg */ 678 if (mr->hwq.max_elements) 679 bnxt_qplib_free_hwq(res->pdev, &mr->hwq); 680 681 mr->hwq.max_elements = pages; 682 /* Use system PAGE_SIZE */ 683 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 684 &mr->hwq.max_elements, 685 PAGE_SIZE, 0, PAGE_SIZE, 686 HWQ_TYPE_CTX); 687 if (rc) { 688 dev_err(&res->pdev->dev, 689 "SP: Reg MR memory allocation failed\n"); 690 return -ENOMEM; 691 } 692 /* Write to the hwq */ 693 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr; 694 for (i = 0; i < num_pbls; i++) 695 pbl_ptr[PTR_PG(i)][PTR_IDX(i)] = 696 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID; 697 } 698 699 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags); 700 701 /* Configure the request */ 702 if (mr->hwq.level == PBL_LVL_MAX) { 703 /* No PBL provided, just use system PAGE_SIZE */ 704 level = 0; 705 req.pbl = 0; 706 pg_size = PAGE_SIZE; 707 } else { 708 level = mr->hwq.level + 1; 709 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]); 710 } 711 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE; 712 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) | 713 ((ilog2(pg_size) << 714 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) & 715 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK); 716 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) << 717 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) & 718 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK)); 719 req.access = (mr->flags & 0xFFFF); 720 req.va = cpu_to_le64(mr->va); 721 req.key = cpu_to_le32(mr->lkey); 722 req.mr_size = cpu_to_le64(mr->total_size); 723 724 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 725 (void *)&resp, NULL, block); 726 if (rc) 727 goto fail; 728 729 return 0; 730 731 fail: 732 if (mr->hwq.max_elements) 733 bnxt_qplib_free_hwq(res->pdev, &mr->hwq); 734 return rc; 735 } 736 737 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res, 738 struct bnxt_qplib_frpl *frpl, 739 int max_pg_ptrs) 740 { 741 int pg_ptrs, pages, rc; 742 743 /* Re-calculate the max to fit the HWQ allocation model */ 744 pg_ptrs = roundup_pow_of_two(max_pg_ptrs); 745 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 746 if (!pages) 747 pages++; 748 749 if (pages > MAX_PBL_LVL_1_PGS) 750 return -ENOMEM; 751 752 frpl->hwq.max_elements = pages; 753 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 754 &frpl->hwq.max_elements, PAGE_SIZE, 0, 755 PAGE_SIZE, HWQ_TYPE_CTX); 756 if (!rc) 757 frpl->max_pg_ptrs = pg_ptrs; 758 759 return rc; 760 } 761 762 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res, 763 struct bnxt_qplib_frpl *frpl) 764 { 765 bnxt_qplib_free_hwq(res->pdev, &frpl->hwq); 766 return 0; 767 } 768 769 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids) 770 { 771 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 772 struct cmdq_map_tc_to_cos req; 773 struct creq_map_tc_to_cos_resp resp; 774 u16 cmd_flags = 0; 775 776 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags); 777 req.cos0 = cpu_to_le16(cids[0]); 778 req.cos1 = cpu_to_le16(cids[1]); 779 780 return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 781 NULL, 0); 782 } 783 784 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw, 785 struct bnxt_qplib_roce_stats *stats) 786 { 787 struct cmdq_query_roce_stats req; 788 struct creq_query_roce_stats_resp resp; 789 struct bnxt_qplib_rcfw_sbuf *sbuf; 790 struct creq_query_roce_stats_resp_sb *sb; 791 u16 cmd_flags = 0; 792 int rc = 0; 793 794 RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags); 795 796 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 797 if (!sbuf) { 798 dev_err(&rcfw->pdev->dev, 799 "SP: QUERY_ROCE_STATS alloc side buffer failed\n"); 800 return -ENOMEM; 801 } 802 803 sb = sbuf->sb; 804 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 805 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 806 (void *)sbuf, 0); 807 if (rc) 808 goto bail; 809 /* Extract the context from the side buffer */ 810 stats->to_retransmits = le64_to_cpu(sb->to_retransmits); 811 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd); 812 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded); 813 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd); 814 stats->missing_resp = le64_to_cpu(sb->missing_resp); 815 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err); 816 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err); 817 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err); 818 stats->local_protection_err = le64_to_cpu(sb->local_protection_err); 819 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err); 820 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err); 821 stats->remote_access_err = le64_to_cpu(sb->remote_access_err); 822 stats->remote_op_err = le64_to_cpu(sb->remote_op_err); 823 stats->dup_req = le64_to_cpu(sb->dup_req); 824 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max); 825 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch); 826 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe); 827 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err); 828 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey); 829 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err); 830 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm); 831 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err); 832 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey); 833 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err); 834 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm); 835 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err); 836 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow); 837 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode); 838 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic); 839 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err); 840 stats->res_mem_error = le64_to_cpu(sb->res_mem_error); 841 stats->res_srq_err = le64_to_cpu(sb->res_srq_err); 842 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err); 843 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey); 844 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err); 845 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err); 846 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err); 847 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err); 848 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err); 849 if (!rcfw->init_oos_stats) { 850 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 851 rcfw->init_oos_stats = 1; 852 } else { 853 stats->res_oos_drop_count += 854 (le64_to_cpu(sb->res_oos_drop_count) - 855 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK; 856 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 857 } 858 859 bail: 860 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 861 return rc; 862 } 863