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].gid, 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, u16 vlan_id, 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, gid, sizeof(*gid)) && 240 vlan_id == sgid_tbl->tbl[index].vlan_id) 241 break; 242 } 243 if (index == sgid_tbl->max) { 244 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n"); 245 return 0; 246 } 247 /* Remove GID from the SGID table */ 248 if (update) { 249 struct cmdq_delete_gid req; 250 struct creq_delete_gid_resp resp; 251 u16 cmd_flags = 0; 252 int rc; 253 254 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags); 255 if (sgid_tbl->hw_id[index] == 0xFFFF) { 256 dev_err(&res->pdev->dev, 257 "GID entry contains an invalid HW id\n"); 258 return -EINVAL; 259 } 260 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]); 261 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 262 (void *)&resp, NULL, 0); 263 if (rc) 264 return rc; 265 } 266 memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero, 267 sizeof(bnxt_qplib_gid_zero)); 268 sgid_tbl->tbl[index].vlan_id = 0xFFFF; 269 sgid_tbl->vlan[index] = 0; 270 sgid_tbl->active--; 271 dev_dbg(&res->pdev->dev, 272 "SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n", 273 index, sgid_tbl->hw_id[index], sgid_tbl->active); 274 sgid_tbl->hw_id[index] = (u16)-1; 275 276 /* unlock */ 277 return 0; 278 } 279 280 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 281 struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id, 282 bool update, u32 *index) 283 { 284 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 285 struct bnxt_qplib_res, 286 sgid_tbl); 287 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 288 int i, free_idx; 289 290 if (!sgid_tbl) { 291 dev_err(&res->pdev->dev, "SGID table not allocated\n"); 292 return -EINVAL; 293 } 294 /* Do we need a sgid_lock here? */ 295 if (sgid_tbl->active == sgid_tbl->max) { 296 dev_err(&res->pdev->dev, "SGID table is full\n"); 297 return -ENOMEM; 298 } 299 free_idx = sgid_tbl->max; 300 for (i = 0; i < sgid_tbl->max; i++) { 301 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid)) && 302 sgid_tbl->tbl[i].vlan_id == vlan_id) { 303 dev_dbg(&res->pdev->dev, 304 "SGID entry already exist in entry %d!\n", i); 305 *index = i; 306 return -EALREADY; 307 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero, 308 sizeof(bnxt_qplib_gid_zero)) && 309 free_idx == sgid_tbl->max) { 310 free_idx = i; 311 } 312 } 313 if (free_idx == sgid_tbl->max) { 314 dev_err(&res->pdev->dev, 315 "SGID table is FULL but count is not MAX??\n"); 316 return -ENOMEM; 317 } 318 if (update) { 319 struct cmdq_add_gid req; 320 struct creq_add_gid_resp resp; 321 u16 cmd_flags = 0; 322 int rc; 323 324 RCFW_CMD_PREP(req, ADD_GID, cmd_flags); 325 326 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 327 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 328 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 329 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 330 /* 331 * driver should ensure that all RoCE traffic is always VLAN 332 * tagged if RoCE traffic is running on non-zero VLAN ID or 333 * RoCE traffic is running on non-zero Priority. 334 */ 335 if ((vlan_id != 0xFFFF) || res->prio) { 336 if (vlan_id != 0xFFFF) 337 req.vlan = cpu_to_le16 338 (vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK); 339 req.vlan |= cpu_to_le16 340 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 341 CMDQ_ADD_GID_VLAN_VLAN_EN); 342 } 343 344 /* MAC in network format */ 345 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 346 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 347 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 348 349 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 350 (void *)&resp, NULL, 0); 351 if (rc) 352 return rc; 353 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid); 354 } 355 /* Add GID to the sgid_tbl */ 356 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid)); 357 sgid_tbl->tbl[free_idx].vlan_id = vlan_id; 358 sgid_tbl->active++; 359 if (vlan_id != 0xFFFF) 360 sgid_tbl->vlan[free_idx] = 1; 361 362 dev_dbg(&res->pdev->dev, 363 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n", 364 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active); 365 366 *index = free_idx; 367 /* unlock */ 368 return 0; 369 } 370 371 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 372 struct bnxt_qplib_gid *gid, u16 gid_idx, 373 u8 *smac) 374 { 375 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 376 struct bnxt_qplib_res, 377 sgid_tbl); 378 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 379 struct creq_modify_gid_resp resp; 380 struct cmdq_modify_gid req; 381 int rc; 382 u16 cmd_flags = 0; 383 384 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags); 385 386 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 387 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 388 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 389 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 390 if (res->prio) { 391 req.vlan |= cpu_to_le16 392 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 393 CMDQ_ADD_GID_VLAN_VLAN_EN); 394 } 395 396 /* MAC in network format */ 397 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 398 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 399 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 400 401 req.gid_index = cpu_to_le16(gid_idx); 402 403 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 404 (void *)&resp, NULL, 0); 405 return rc; 406 } 407 408 /* pkeys */ 409 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res, 410 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index, 411 u16 *pkey) 412 { 413 if (index == 0xFFFF) { 414 *pkey = 0xFFFF; 415 return 0; 416 } 417 if (index >= pkey_tbl->max) { 418 dev_err(&res->pdev->dev, 419 "Index %d exceeded PKEY table max (%d)\n", 420 index, pkey_tbl->max); 421 return -EINVAL; 422 } 423 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey)); 424 return 0; 425 } 426 427 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res, 428 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 429 bool update) 430 { 431 int i, rc = 0; 432 433 if (!pkey_tbl) { 434 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 435 return -EINVAL; 436 } 437 438 /* Do we need a pkey_lock here? */ 439 if (!pkey_tbl->active) { 440 dev_err(&res->pdev->dev, "PKEY table has no active entries\n"); 441 return -ENOMEM; 442 } 443 for (i = 0; i < pkey_tbl->max; i++) { 444 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 445 break; 446 } 447 if (i == pkey_tbl->max) { 448 dev_err(&res->pdev->dev, 449 "PKEY 0x%04x not found in the pkey table\n", *pkey); 450 return -ENOMEM; 451 } 452 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey)); 453 pkey_tbl->active--; 454 455 /* unlock */ 456 return rc; 457 } 458 459 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res, 460 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 461 bool update) 462 { 463 int i, free_idx, rc = 0; 464 465 if (!pkey_tbl) { 466 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 467 return -EINVAL; 468 } 469 470 /* Do we need a pkey_lock here? */ 471 if (pkey_tbl->active == pkey_tbl->max) { 472 dev_err(&res->pdev->dev, "PKEY table is full\n"); 473 return -ENOMEM; 474 } 475 free_idx = pkey_tbl->max; 476 for (i = 0; i < pkey_tbl->max; i++) { 477 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 478 return -EALREADY; 479 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max) 480 free_idx = i; 481 } 482 if (free_idx == pkey_tbl->max) { 483 dev_err(&res->pdev->dev, 484 "PKEY table is FULL but count is not MAX??\n"); 485 return -ENOMEM; 486 } 487 /* Add PKEY to the pkey_tbl */ 488 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey)); 489 pkey_tbl->active++; 490 491 /* unlock */ 492 return rc; 493 } 494 495 /* AH */ 496 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 497 bool block) 498 { 499 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 500 struct cmdq_create_ah req; 501 struct creq_create_ah_resp resp; 502 u16 cmd_flags = 0; 503 u32 temp32[4]; 504 u16 temp16[3]; 505 int rc; 506 507 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags); 508 509 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid)); 510 req.dgid[0] = cpu_to_le32(temp32[0]); 511 req.dgid[1] = cpu_to_le32(temp32[1]); 512 req.dgid[2] = cpu_to_le32(temp32[2]); 513 req.dgid[3] = cpu_to_le32(temp32[3]); 514 515 req.type = ah->nw_type; 516 req.hop_limit = ah->hop_limit; 517 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]); 518 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label & 519 CMDQ_CREATE_AH_FLOW_LABEL_MASK) | 520 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK); 521 req.pd_id = cpu_to_le32(ah->pd->id); 522 req.traffic_class = ah->traffic_class; 523 524 /* MAC in network format */ 525 memcpy(temp16, ah->dmac, 6); 526 req.dest_mac[0] = cpu_to_le16(temp16[0]); 527 req.dest_mac[1] = cpu_to_le16(temp16[1]); 528 req.dest_mac[2] = cpu_to_le16(temp16[2]); 529 530 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 531 NULL, block); 532 if (rc) 533 return rc; 534 535 ah->id = le32_to_cpu(resp.xid); 536 return 0; 537 } 538 539 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 540 bool block) 541 { 542 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 543 struct cmdq_destroy_ah req; 544 struct creq_destroy_ah_resp resp; 545 u16 cmd_flags = 0; 546 547 /* Clean up the AH table in the device */ 548 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags); 549 550 req.ah_cid = cpu_to_le32(ah->id); 551 552 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL, 553 block); 554 } 555 556 /* MRW */ 557 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 558 { 559 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 560 struct cmdq_deallocate_key req; 561 struct creq_deallocate_key_resp resp; 562 u16 cmd_flags = 0; 563 int rc; 564 565 if (mrw->lkey == 0xFFFFFFFF) { 566 dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n"); 567 return 0; 568 } 569 570 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags); 571 572 req.mrw_flags = mrw->type; 573 574 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 575 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 576 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 577 req.key = cpu_to_le32(mrw->rkey); 578 else 579 req.key = cpu_to_le32(mrw->lkey); 580 581 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 582 NULL, 0); 583 if (rc) 584 return rc; 585 586 /* Free the qplib's MRW memory */ 587 if (mrw->hwq.max_elements) 588 bnxt_qplib_free_hwq(res, &mrw->hwq); 589 590 return 0; 591 } 592 593 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 594 { 595 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 596 struct cmdq_allocate_mrw req; 597 struct creq_allocate_mrw_resp resp; 598 u16 cmd_flags = 0; 599 unsigned long tmp; 600 int rc; 601 602 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags); 603 604 req.pd_id = cpu_to_le32(mrw->pd->id); 605 req.mrw_flags = mrw->type; 606 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR && 607 mrw->flags & BNXT_QPLIB_FR_PMR) || 608 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A || 609 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B) 610 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY; 611 tmp = (unsigned long)mrw; 612 req.mrw_handle = cpu_to_le64(tmp); 613 614 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 615 (void *)&resp, NULL, 0); 616 if (rc) 617 return rc; 618 619 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 620 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 621 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 622 mrw->rkey = le32_to_cpu(resp.xid); 623 else 624 mrw->lkey = le32_to_cpu(resp.xid); 625 return 0; 626 } 627 628 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw, 629 bool block) 630 { 631 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 632 struct cmdq_deregister_mr req; 633 struct creq_deregister_mr_resp resp; 634 u16 cmd_flags = 0; 635 int rc; 636 637 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags); 638 639 req.lkey = cpu_to_le32(mrw->lkey); 640 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 641 (void *)&resp, NULL, block); 642 if (rc) 643 return rc; 644 645 /* Free the qplib's MR memory */ 646 if (mrw->hwq.max_elements) { 647 mrw->va = 0; 648 mrw->total_size = 0; 649 bnxt_qplib_free_hwq(res, &mrw->hwq); 650 } 651 652 return 0; 653 } 654 655 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, 656 u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size) 657 { 658 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 659 struct bnxt_qplib_hwq_attr hwq_attr = {}; 660 struct bnxt_qplib_sg_info sginfo = {}; 661 struct creq_register_mr_resp resp; 662 struct cmdq_register_mr req; 663 int pg_ptrs, pages, i, rc; 664 u16 cmd_flags = 0, level; 665 dma_addr_t **pbl_ptr; 666 u32 pg_size; 667 668 if (num_pbls) { 669 /* Allocate memory for the non-leaf pages to store buf ptrs. 670 * Non-leaf pages always uses system PAGE_SIZE 671 */ 672 pg_ptrs = roundup_pow_of_two(num_pbls); 673 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 674 if (!pages) 675 pages++; 676 677 if (pages > MAX_PBL_LVL_1_PGS) { 678 dev_err(&res->pdev->dev, 679 "SP: Reg MR: pages requested (0x%x) exceeded max (0x%x)\n", 680 pages, MAX_PBL_LVL_1_PGS); 681 return -ENOMEM; 682 } 683 /* Free the hwq if it already exist, must be a rereg */ 684 if (mr->hwq.max_elements) 685 bnxt_qplib_free_hwq(res, &mr->hwq); 686 /* Use system PAGE_SIZE */ 687 hwq_attr.res = res; 688 hwq_attr.depth = pages; 689 hwq_attr.stride = PAGE_SIZE; 690 hwq_attr.type = HWQ_TYPE_MR; 691 hwq_attr.sginfo = &sginfo; 692 hwq_attr.sginfo->npages = pages; 693 hwq_attr.sginfo->pgsize = PAGE_SIZE; 694 hwq_attr.sginfo->pgshft = PAGE_SHIFT; 695 rc = bnxt_qplib_alloc_init_hwq(&mr->hwq, &hwq_attr); 696 if (rc) { 697 dev_err(&res->pdev->dev, 698 "SP: Reg MR memory allocation failed\n"); 699 return -ENOMEM; 700 } 701 /* Write to the hwq */ 702 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr; 703 for (i = 0; i < num_pbls; i++) 704 pbl_ptr[PTR_PG(i)][PTR_IDX(i)] = 705 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID; 706 } 707 708 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags); 709 710 /* Configure the request */ 711 if (mr->hwq.level == PBL_LVL_MAX) { 712 /* No PBL provided, just use system PAGE_SIZE */ 713 level = 0; 714 req.pbl = 0; 715 pg_size = PAGE_SIZE; 716 } else { 717 level = mr->hwq.level + 1; 718 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]); 719 } 720 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE; 721 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) | 722 ((ilog2(pg_size) << 723 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) & 724 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK); 725 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) << 726 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) & 727 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK)); 728 req.access = (mr->flags & 0xFFFF); 729 req.va = cpu_to_le64(mr->va); 730 req.key = cpu_to_le32(mr->lkey); 731 req.mr_size = cpu_to_le64(mr->total_size); 732 733 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 734 (void *)&resp, NULL, block); 735 if (rc) 736 goto fail; 737 738 return 0; 739 740 fail: 741 if (mr->hwq.max_elements) 742 bnxt_qplib_free_hwq(res, &mr->hwq); 743 return rc; 744 } 745 746 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res, 747 struct bnxt_qplib_frpl *frpl, 748 int max_pg_ptrs) 749 { 750 struct bnxt_qplib_hwq_attr hwq_attr = {}; 751 struct bnxt_qplib_sg_info sginfo = {}; 752 int pg_ptrs, pages, rc; 753 754 /* Re-calculate the max to fit the HWQ allocation model */ 755 pg_ptrs = roundup_pow_of_two(max_pg_ptrs); 756 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 757 if (!pages) 758 pages++; 759 760 if (pages > MAX_PBL_LVL_1_PGS) 761 return -ENOMEM; 762 763 sginfo.pgsize = PAGE_SIZE; 764 sginfo.nopte = true; 765 766 hwq_attr.res = res; 767 hwq_attr.depth = pg_ptrs; 768 hwq_attr.stride = PAGE_SIZE; 769 hwq_attr.sginfo = &sginfo; 770 hwq_attr.type = HWQ_TYPE_CTX; 771 rc = bnxt_qplib_alloc_init_hwq(&frpl->hwq, &hwq_attr); 772 if (!rc) 773 frpl->max_pg_ptrs = pg_ptrs; 774 775 return rc; 776 } 777 778 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res, 779 struct bnxt_qplib_frpl *frpl) 780 { 781 bnxt_qplib_free_hwq(res, &frpl->hwq); 782 return 0; 783 } 784 785 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids) 786 { 787 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 788 struct cmdq_map_tc_to_cos req; 789 struct creq_map_tc_to_cos_resp resp; 790 u16 cmd_flags = 0; 791 792 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags); 793 req.cos0 = cpu_to_le16(cids[0]); 794 req.cos1 = cpu_to_le16(cids[1]); 795 796 return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 797 NULL, 0); 798 } 799 800 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw, 801 struct bnxt_qplib_roce_stats *stats) 802 { 803 struct cmdq_query_roce_stats req; 804 struct creq_query_roce_stats_resp resp; 805 struct bnxt_qplib_rcfw_sbuf *sbuf; 806 struct creq_query_roce_stats_resp_sb *sb; 807 u16 cmd_flags = 0; 808 int rc = 0; 809 810 RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags); 811 812 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 813 if (!sbuf) { 814 dev_err(&rcfw->pdev->dev, 815 "SP: QUERY_ROCE_STATS alloc side buffer failed\n"); 816 return -ENOMEM; 817 } 818 819 sb = sbuf->sb; 820 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 821 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 822 (void *)sbuf, 0); 823 if (rc) 824 goto bail; 825 /* Extract the context from the side buffer */ 826 stats->to_retransmits = le64_to_cpu(sb->to_retransmits); 827 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd); 828 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded); 829 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd); 830 stats->missing_resp = le64_to_cpu(sb->missing_resp); 831 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err); 832 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err); 833 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err); 834 stats->local_protection_err = le64_to_cpu(sb->local_protection_err); 835 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err); 836 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err); 837 stats->remote_access_err = le64_to_cpu(sb->remote_access_err); 838 stats->remote_op_err = le64_to_cpu(sb->remote_op_err); 839 stats->dup_req = le64_to_cpu(sb->dup_req); 840 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max); 841 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch); 842 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe); 843 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err); 844 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey); 845 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err); 846 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm); 847 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err); 848 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey); 849 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err); 850 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm); 851 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err); 852 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow); 853 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode); 854 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic); 855 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err); 856 stats->res_mem_error = le64_to_cpu(sb->res_mem_error); 857 stats->res_srq_err = le64_to_cpu(sb->res_srq_err); 858 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err); 859 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey); 860 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err); 861 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err); 862 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err); 863 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err); 864 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err); 865 if (!rcfw->init_oos_stats) { 866 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 867 rcfw->init_oos_stats = 1; 868 } else { 869 stats->res_oos_drop_count += 870 (le64_to_cpu(sb->res_oos_drop_count) - 871 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK; 872 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 873 } 874 875 bail: 876 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 877 return rc; 878 } 879