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 = sb->max_sge; 123 attr->max_cq = le32_to_cpu(sb->max_cq); 124 attr->max_cq_wqes = le32_to_cpu(sb->max_cqe); 125 attr->max_cq_sges = attr->max_qp_sges; 126 attr->max_mr = le32_to_cpu(sb->max_mr); 127 attr->max_mw = le32_to_cpu(sb->max_mw); 128 129 attr->max_mr_size = le64_to_cpu(sb->max_mr_size); 130 attr->max_pd = 64 * 1024; 131 attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp); 132 attr->max_ah = le32_to_cpu(sb->max_ah); 133 134 attr->max_fmr = le32_to_cpu(sb->max_fmr); 135 attr->max_map_per_fmr = sb->max_map_per_fmr; 136 137 attr->max_srq = le16_to_cpu(sb->max_srq); 138 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1; 139 attr->max_srq_sges = sb->max_srq_sge; 140 attr->max_pkey = le32_to_cpu(sb->max_pkeys); 141 /* 142 * Some versions of FW reports more than 0xFFFF. 143 * Restrict it for now to 0xFFFF to avoid 144 * reporting trucated value 145 */ 146 if (attr->max_pkey > 0xFFFF) { 147 /* ib_port_attr::pkey_tbl_len is u16 */ 148 attr->max_pkey = 0xFFFF; 149 } 150 151 attr->max_inline_data = le32_to_cpu(sb->max_inline_data); 152 attr->l2_db_size = (sb->l2_db_space_size + 1) * 153 (0x01 << RCFW_DBR_BASE_PAGE_SHIFT); 154 attr->max_sgid = le32_to_cpu(sb->max_gid); 155 156 bnxt_qplib_query_version(rcfw, attr->fw_ver); 157 158 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) { 159 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]); 160 tqm_alloc = (u8 *)&temp; 161 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc; 162 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc); 163 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc); 164 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); 165 } 166 167 attr->is_atomic = false; 168 bail: 169 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 170 return rc; 171 } 172 173 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res, 174 struct bnxt_qplib_rcfw *rcfw, 175 struct bnxt_qplib_ctx *ctx) 176 { 177 struct cmdq_set_func_resources req; 178 struct creq_set_func_resources_resp resp; 179 u16 cmd_flags = 0; 180 int rc = 0; 181 182 RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags); 183 184 req.number_of_qp = cpu_to_le32(ctx->qpc_count); 185 req.number_of_mrw = cpu_to_le32(ctx->mrw_count); 186 req.number_of_srq = cpu_to_le32(ctx->srqc_count); 187 req.number_of_cq = cpu_to_le32(ctx->cq_count); 188 189 req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf); 190 req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf); 191 req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf); 192 req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf); 193 req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf); 194 195 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 196 (void *)&resp, 197 NULL, 0); 198 if (rc) { 199 dev_err(&res->pdev->dev, "Failed to set function resources\n"); 200 } 201 return rc; 202 } 203 204 /* SGID */ 205 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, 206 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, 207 struct bnxt_qplib_gid *gid) 208 { 209 if (index >= sgid_tbl->max) { 210 dev_err(&res->pdev->dev, 211 "Index %d exceeded SGID table max (%d)\n", 212 index, sgid_tbl->max); 213 return -EINVAL; 214 } 215 memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid)); 216 return 0; 217 } 218 219 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 220 struct bnxt_qplib_gid *gid, bool update) 221 { 222 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 223 struct bnxt_qplib_res, 224 sgid_tbl); 225 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 226 int index; 227 228 if (!sgid_tbl) { 229 dev_err(&res->pdev->dev, "SGID table not allocated\n"); 230 return -EINVAL; 231 } 232 /* Do we need a sgid_lock here? */ 233 if (!sgid_tbl->active) { 234 dev_err(&res->pdev->dev, "SGID table has no active entries\n"); 235 return -ENOMEM; 236 } 237 for (index = 0; index < sgid_tbl->max; index++) { 238 if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid))) 239 break; 240 } 241 if (index == sgid_tbl->max) { 242 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n"); 243 return 0; 244 } 245 /* Remove GID from the SGID table */ 246 if (update) { 247 struct cmdq_delete_gid req; 248 struct creq_delete_gid_resp resp; 249 u16 cmd_flags = 0; 250 int rc; 251 252 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags); 253 if (sgid_tbl->hw_id[index] == 0xFFFF) { 254 dev_err(&res->pdev->dev, 255 "GID entry contains an invalid HW id\n"); 256 return -EINVAL; 257 } 258 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]); 259 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 260 (void *)&resp, NULL, 0); 261 if (rc) 262 return rc; 263 } 264 memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero, 265 sizeof(bnxt_qplib_gid_zero)); 266 sgid_tbl->vlan[index] = 0; 267 sgid_tbl->active--; 268 dev_dbg(&res->pdev->dev, 269 "SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n", 270 index, sgid_tbl->hw_id[index], sgid_tbl->active); 271 sgid_tbl->hw_id[index] = (u16)-1; 272 273 /* unlock */ 274 return 0; 275 } 276 277 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 278 struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id, 279 bool update, u32 *index) 280 { 281 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 282 struct bnxt_qplib_res, 283 sgid_tbl); 284 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 285 int i, free_idx; 286 287 if (!sgid_tbl) { 288 dev_err(&res->pdev->dev, "SGID table not allocated\n"); 289 return -EINVAL; 290 } 291 /* Do we need a sgid_lock here? */ 292 if (sgid_tbl->active == sgid_tbl->max) { 293 dev_err(&res->pdev->dev, "SGID table is full\n"); 294 return -ENOMEM; 295 } 296 free_idx = sgid_tbl->max; 297 for (i = 0; i < sgid_tbl->max; i++) { 298 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) { 299 dev_dbg(&res->pdev->dev, 300 "SGID entry already exist in entry %d!\n", i); 301 *index = i; 302 return -EALREADY; 303 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero, 304 sizeof(bnxt_qplib_gid_zero)) && 305 free_idx == sgid_tbl->max) { 306 free_idx = i; 307 } 308 } 309 if (free_idx == sgid_tbl->max) { 310 dev_err(&res->pdev->dev, 311 "SGID table is FULL but count is not MAX??\n"); 312 return -ENOMEM; 313 } 314 if (update) { 315 struct cmdq_add_gid req; 316 struct creq_add_gid_resp resp; 317 u16 cmd_flags = 0; 318 int rc; 319 320 RCFW_CMD_PREP(req, ADD_GID, cmd_flags); 321 322 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 323 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 324 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 325 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 326 /* 327 * driver should ensure that all RoCE traffic is always VLAN 328 * tagged if RoCE traffic is running on non-zero VLAN ID or 329 * RoCE traffic is running on non-zero Priority. 330 */ 331 if ((vlan_id != 0xFFFF) || res->prio) { 332 if (vlan_id != 0xFFFF) 333 req.vlan = cpu_to_le16 334 (vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK); 335 req.vlan |= cpu_to_le16 336 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 337 CMDQ_ADD_GID_VLAN_VLAN_EN); 338 } 339 340 /* MAC in network format */ 341 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 342 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 343 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 344 345 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 346 (void *)&resp, NULL, 0); 347 if (rc) 348 return rc; 349 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid); 350 } 351 /* Add GID to the sgid_tbl */ 352 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid)); 353 sgid_tbl->active++; 354 if (vlan_id != 0xFFFF) 355 sgid_tbl->vlan[free_idx] = 1; 356 357 dev_dbg(&res->pdev->dev, 358 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n", 359 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active); 360 361 *index = free_idx; 362 /* unlock */ 363 return 0; 364 } 365 366 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 367 struct bnxt_qplib_gid *gid, u16 gid_idx, 368 u8 *smac) 369 { 370 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 371 struct bnxt_qplib_res, 372 sgid_tbl); 373 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 374 struct creq_modify_gid_resp resp; 375 struct cmdq_modify_gid req; 376 int rc; 377 u16 cmd_flags = 0; 378 379 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags); 380 381 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 382 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 383 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 384 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 385 if (res->prio) { 386 req.vlan |= cpu_to_le16 387 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 388 CMDQ_ADD_GID_VLAN_VLAN_EN); 389 } 390 391 /* MAC in network format */ 392 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 393 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 394 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 395 396 req.gid_index = cpu_to_le16(gid_idx); 397 398 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 399 (void *)&resp, NULL, 0); 400 return rc; 401 } 402 403 /* pkeys */ 404 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res, 405 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index, 406 u16 *pkey) 407 { 408 if (index == 0xFFFF) { 409 *pkey = 0xFFFF; 410 return 0; 411 } 412 if (index >= pkey_tbl->max) { 413 dev_err(&res->pdev->dev, 414 "Index %d exceeded PKEY table max (%d)\n", 415 index, pkey_tbl->max); 416 return -EINVAL; 417 } 418 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey)); 419 return 0; 420 } 421 422 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res, 423 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 424 bool update) 425 { 426 int i, rc = 0; 427 428 if (!pkey_tbl) { 429 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 430 return -EINVAL; 431 } 432 433 /* Do we need a pkey_lock here? */ 434 if (!pkey_tbl->active) { 435 dev_err(&res->pdev->dev, "PKEY table has no active entries\n"); 436 return -ENOMEM; 437 } 438 for (i = 0; i < pkey_tbl->max; i++) { 439 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 440 break; 441 } 442 if (i == pkey_tbl->max) { 443 dev_err(&res->pdev->dev, 444 "PKEY 0x%04x not found in the pkey table\n", *pkey); 445 return -ENOMEM; 446 } 447 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey)); 448 pkey_tbl->active--; 449 450 /* unlock */ 451 return rc; 452 } 453 454 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res, 455 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 456 bool update) 457 { 458 int i, free_idx, rc = 0; 459 460 if (!pkey_tbl) { 461 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 462 return -EINVAL; 463 } 464 465 /* Do we need a pkey_lock here? */ 466 if (pkey_tbl->active == pkey_tbl->max) { 467 dev_err(&res->pdev->dev, "PKEY table is full\n"); 468 return -ENOMEM; 469 } 470 free_idx = pkey_tbl->max; 471 for (i = 0; i < pkey_tbl->max; i++) { 472 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 473 return -EALREADY; 474 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max) 475 free_idx = i; 476 } 477 if (free_idx == pkey_tbl->max) { 478 dev_err(&res->pdev->dev, 479 "PKEY table is FULL but count is not MAX??\n"); 480 return -ENOMEM; 481 } 482 /* Add PKEY to the pkey_tbl */ 483 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey)); 484 pkey_tbl->active++; 485 486 /* unlock */ 487 return rc; 488 } 489 490 /* AH */ 491 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) 492 { 493 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 494 struct cmdq_create_ah req; 495 struct creq_create_ah_resp resp; 496 u16 cmd_flags = 0; 497 u32 temp32[4]; 498 u16 temp16[3]; 499 int rc; 500 501 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags); 502 503 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid)); 504 req.dgid[0] = cpu_to_le32(temp32[0]); 505 req.dgid[1] = cpu_to_le32(temp32[1]); 506 req.dgid[2] = cpu_to_le32(temp32[2]); 507 req.dgid[3] = cpu_to_le32(temp32[3]); 508 509 req.type = ah->nw_type; 510 req.hop_limit = ah->hop_limit; 511 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]); 512 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label & 513 CMDQ_CREATE_AH_FLOW_LABEL_MASK) | 514 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK); 515 req.pd_id = cpu_to_le32(ah->pd->id); 516 req.traffic_class = ah->traffic_class; 517 518 /* MAC in network format */ 519 memcpy(temp16, ah->dmac, 6); 520 req.dest_mac[0] = cpu_to_le16(temp16[0]); 521 req.dest_mac[1] = cpu_to_le16(temp16[1]); 522 req.dest_mac[2] = cpu_to_le16(temp16[2]); 523 524 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 525 NULL, 1); 526 if (rc) 527 return rc; 528 529 ah->id = le32_to_cpu(resp.xid); 530 return 0; 531 } 532 533 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) 534 { 535 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 536 struct cmdq_destroy_ah req; 537 struct creq_destroy_ah_resp resp; 538 u16 cmd_flags = 0; 539 int rc; 540 541 /* Clean up the AH table in the device */ 542 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags); 543 544 req.ah_cid = cpu_to_le32(ah->id); 545 546 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 547 NULL, 1); 548 if (rc) 549 return rc; 550 return 0; 551 } 552 553 /* MRW */ 554 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 555 { 556 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 557 struct cmdq_deallocate_key req; 558 struct creq_deallocate_key_resp resp; 559 u16 cmd_flags = 0; 560 int rc; 561 562 if (mrw->lkey == 0xFFFFFFFF) { 563 dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n"); 564 return 0; 565 } 566 567 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags); 568 569 req.mrw_flags = mrw->type; 570 571 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 572 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 573 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 574 req.key = cpu_to_le32(mrw->rkey); 575 else 576 req.key = cpu_to_le32(mrw->lkey); 577 578 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 579 NULL, 0); 580 if (rc) 581 return rc; 582 583 /* Free the qplib's MRW memory */ 584 if (mrw->hwq.max_elements) 585 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); 586 587 return 0; 588 } 589 590 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 591 { 592 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 593 struct cmdq_allocate_mrw req; 594 struct creq_allocate_mrw_resp resp; 595 u16 cmd_flags = 0; 596 unsigned long tmp; 597 int rc; 598 599 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags); 600 601 req.pd_id = cpu_to_le32(mrw->pd->id); 602 req.mrw_flags = mrw->type; 603 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR && 604 mrw->flags & BNXT_QPLIB_FR_PMR) || 605 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A || 606 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B) 607 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY; 608 tmp = (unsigned long)mrw; 609 req.mrw_handle = cpu_to_le64(tmp); 610 611 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 612 (void *)&resp, NULL, 0); 613 if (rc) 614 return rc; 615 616 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 617 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 618 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 619 mrw->rkey = le32_to_cpu(resp.xid); 620 else 621 mrw->lkey = le32_to_cpu(resp.xid); 622 return 0; 623 } 624 625 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw, 626 bool block) 627 { 628 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 629 struct cmdq_deregister_mr req; 630 struct creq_deregister_mr_resp resp; 631 u16 cmd_flags = 0; 632 int rc; 633 634 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags); 635 636 req.lkey = cpu_to_le32(mrw->lkey); 637 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 638 (void *)&resp, NULL, block); 639 if (rc) 640 return rc; 641 642 /* Free the qplib's MR memory */ 643 if (mrw->hwq.max_elements) { 644 mrw->va = 0; 645 mrw->total_size = 0; 646 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); 647 } 648 649 return 0; 650 } 651 652 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, 653 u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size) 654 { 655 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 656 struct cmdq_register_mr req; 657 struct creq_register_mr_resp resp; 658 u16 cmd_flags = 0, level; 659 int pg_ptrs, pages, i, rc; 660 dma_addr_t **pbl_ptr; 661 u32 pg_size; 662 663 if (num_pbls) { 664 /* Allocate memory for the non-leaf pages to store buf ptrs. 665 * Non-leaf pages always uses system PAGE_SIZE 666 */ 667 pg_ptrs = roundup_pow_of_two(num_pbls); 668 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 669 if (!pages) 670 pages++; 671 672 if (pages > MAX_PBL_LVL_1_PGS) { 673 dev_err(&res->pdev->dev, 674 "SP: Reg MR pages requested (0x%x) exceeded max (0x%x)\n", 675 pages, MAX_PBL_LVL_1_PGS); 676 return -ENOMEM; 677 } 678 /* Free the hwq if it already exist, must be a rereg */ 679 if (mr->hwq.max_elements) 680 bnxt_qplib_free_hwq(res->pdev, &mr->hwq); 681 682 mr->hwq.max_elements = pages; 683 /* Use system PAGE_SIZE */ 684 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0, 685 &mr->hwq.max_elements, 686 PAGE_SIZE, 0, PAGE_SIZE, 687 HWQ_TYPE_CTX); 688 if (rc) { 689 dev_err(&res->pdev->dev, 690 "SP: Reg MR memory allocation failed\n"); 691 return -ENOMEM; 692 } 693 /* Write to the hwq */ 694 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr; 695 for (i = 0; i < num_pbls; i++) 696 pbl_ptr[PTR_PG(i)][PTR_IDX(i)] = 697 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID; 698 } 699 700 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags); 701 702 /* Configure the request */ 703 if (mr->hwq.level == PBL_LVL_MAX) { 704 /* No PBL provided, just use system PAGE_SIZE */ 705 level = 0; 706 req.pbl = 0; 707 pg_size = PAGE_SIZE; 708 } else { 709 level = mr->hwq.level + 1; 710 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]); 711 } 712 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE; 713 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) | 714 ((ilog2(pg_size) << 715 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) & 716 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK); 717 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) << 718 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) & 719 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK)); 720 req.access = (mr->flags & 0xFFFF); 721 req.va = cpu_to_le64(mr->va); 722 req.key = cpu_to_le32(mr->lkey); 723 req.mr_size = cpu_to_le64(mr->total_size); 724 725 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 726 (void *)&resp, NULL, block); 727 if (rc) 728 goto fail; 729 730 return 0; 731 732 fail: 733 if (mr->hwq.max_elements) 734 bnxt_qplib_free_hwq(res->pdev, &mr->hwq); 735 return rc; 736 } 737 738 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res, 739 struct bnxt_qplib_frpl *frpl, 740 int max_pg_ptrs) 741 { 742 int pg_ptrs, pages, rc; 743 744 /* Re-calculate the max to fit the HWQ allocation model */ 745 pg_ptrs = roundup_pow_of_two(max_pg_ptrs); 746 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 747 if (!pages) 748 pages++; 749 750 if (pages > MAX_PBL_LVL_1_PGS) 751 return -ENOMEM; 752 753 frpl->hwq.max_elements = pages; 754 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 0, 755 &frpl->hwq.max_elements, PAGE_SIZE, 0, 756 PAGE_SIZE, HWQ_TYPE_CTX); 757 if (!rc) 758 frpl->max_pg_ptrs = pg_ptrs; 759 760 return rc; 761 } 762 763 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res, 764 struct bnxt_qplib_frpl *frpl) 765 { 766 bnxt_qplib_free_hwq(res->pdev, &frpl->hwq); 767 return 0; 768 } 769 770 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids) 771 { 772 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 773 struct cmdq_map_tc_to_cos req; 774 struct creq_map_tc_to_cos_resp resp; 775 u16 cmd_flags = 0; 776 777 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags); 778 req.cos0 = cpu_to_le16(cids[0]); 779 req.cos1 = cpu_to_le16(cids[1]); 780 781 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL, 782 0); 783 return 0; 784 } 785 786 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw, 787 struct bnxt_qplib_roce_stats *stats) 788 { 789 struct cmdq_query_roce_stats req; 790 struct creq_query_roce_stats_resp resp; 791 struct bnxt_qplib_rcfw_sbuf *sbuf; 792 struct creq_query_roce_stats_resp_sb *sb; 793 u16 cmd_flags = 0; 794 int rc = 0; 795 796 RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags); 797 798 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 799 if (!sbuf) { 800 dev_err(&rcfw->pdev->dev, 801 "SP: QUERY_ROCE_STATS alloc side buffer failed\n"); 802 return -ENOMEM; 803 } 804 805 sb = sbuf->sb; 806 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 807 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 808 (void *)sbuf, 0); 809 if (rc) 810 goto bail; 811 /* Extract the context from the side buffer */ 812 stats->to_retransmits = le64_to_cpu(sb->to_retransmits); 813 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd); 814 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded); 815 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd); 816 stats->missing_resp = le64_to_cpu(sb->missing_resp); 817 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err); 818 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err); 819 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err); 820 stats->local_protection_err = le64_to_cpu(sb->local_protection_err); 821 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err); 822 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err); 823 stats->remote_access_err = le64_to_cpu(sb->remote_access_err); 824 stats->remote_op_err = le64_to_cpu(sb->remote_op_err); 825 stats->dup_req = le64_to_cpu(sb->dup_req); 826 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max); 827 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch); 828 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe); 829 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err); 830 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey); 831 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err); 832 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm); 833 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err); 834 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey); 835 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err); 836 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm); 837 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err); 838 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow); 839 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode); 840 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic); 841 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err); 842 stats->res_mem_error = le64_to_cpu(sb->res_mem_error); 843 stats->res_srq_err = le64_to_cpu(sb->res_srq_err); 844 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err); 845 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey); 846 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err); 847 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err); 848 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err); 849 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err); 850 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err); 851 if (!rcfw->init_oos_stats) { 852 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 853 rcfw->init_oos_stats = 1; 854 } else { 855 stats->res_oos_drop_count += 856 (le64_to_cpu(sb->res_oos_drop_count) - 857 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK; 858 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 859 } 860 861 bail: 862 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 863 return rc; 864 } 865