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