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_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 attr->max_pkey = le32_to_cpu(sb->max_pkeys); 139 /* 140 * Some versions of FW reports more than 0xFFFF. 141 * Restrict it for now to 0xFFFF to avoid 142 * reporting trucated value 143 */ 144 if (attr->max_pkey > 0xFFFF) { 145 /* ib_port_attr::pkey_tbl_len is u16 */ 146 attr->max_pkey = 0xFFFF; 147 } 148 149 attr->max_inline_data = le32_to_cpu(sb->max_inline_data); 150 attr->l2_db_size = (sb->l2_db_space_size + 1) * 151 (0x01 << RCFW_DBR_BASE_PAGE_SHIFT); 152 attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED; 153 154 bnxt_qplib_query_version(rcfw, attr->fw_ver); 155 156 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) { 157 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]); 158 tqm_alloc = (u8 *)&temp; 159 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc; 160 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc); 161 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc); 162 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); 163 } 164 165 attr->is_atomic = false; 166 bail: 167 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 168 return rc; 169 } 170 171 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res, 172 struct bnxt_qplib_rcfw *rcfw, 173 struct bnxt_qplib_ctx *ctx) 174 { 175 struct cmdq_set_func_resources req; 176 struct creq_set_func_resources_resp resp; 177 u16 cmd_flags = 0; 178 int rc = 0; 179 180 RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags); 181 182 req.number_of_qp = cpu_to_le32(ctx->qpc_count); 183 req.number_of_mrw = cpu_to_le32(ctx->mrw_count); 184 req.number_of_srq = cpu_to_le32(ctx->srqc_count); 185 req.number_of_cq = cpu_to_le32(ctx->cq_count); 186 187 req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf); 188 req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf); 189 req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf); 190 req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf); 191 req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf); 192 193 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 194 (void *)&resp, 195 NULL, 0); 196 if (rc) { 197 dev_err(&res->pdev->dev, "Failed to set function resources\n"); 198 } 199 return rc; 200 } 201 202 /* SGID */ 203 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, 204 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, 205 struct bnxt_qplib_gid *gid) 206 { 207 if (index >= sgid_tbl->max) { 208 dev_err(&res->pdev->dev, 209 "Index %d exceeded SGID table max (%d)\n", 210 index, sgid_tbl->max); 211 return -EINVAL; 212 } 213 memcpy(gid, &sgid_tbl->tbl[index].gid, sizeof(*gid)); 214 return 0; 215 } 216 217 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 218 struct bnxt_qplib_gid *gid, u16 vlan_id, bool update) 219 { 220 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 221 struct bnxt_qplib_res, 222 sgid_tbl); 223 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 224 int index; 225 226 if (!sgid_tbl) { 227 dev_err(&res->pdev->dev, "SGID table not allocated\n"); 228 return -EINVAL; 229 } 230 /* Do we need a sgid_lock here? */ 231 if (!sgid_tbl->active) { 232 dev_err(&res->pdev->dev, "SGID table has no active entries\n"); 233 return -ENOMEM; 234 } 235 for (index = 0; index < sgid_tbl->max; index++) { 236 if (!memcmp(&sgid_tbl->tbl[index].gid, gid, sizeof(*gid)) && 237 vlan_id == sgid_tbl->tbl[index].vlan_id) 238 break; 239 } 240 if (index == sgid_tbl->max) { 241 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n"); 242 return 0; 243 } 244 /* Remove GID from the SGID table */ 245 if (update) { 246 struct cmdq_delete_gid req; 247 struct creq_delete_gid_resp resp; 248 u16 cmd_flags = 0; 249 int rc; 250 251 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags); 252 if (sgid_tbl->hw_id[index] == 0xFFFF) { 253 dev_err(&res->pdev->dev, 254 "GID entry contains an invalid HW id\n"); 255 return -EINVAL; 256 } 257 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]); 258 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 259 (void *)&resp, NULL, 0); 260 if (rc) 261 return rc; 262 } 263 memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero, 264 sizeof(bnxt_qplib_gid_zero)); 265 sgid_tbl->tbl[index].vlan_id = 0xFFFF; 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 sgid_tbl->tbl[i].vlan_id == vlan_id) { 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->tbl[free_idx].vlan_id = vlan_id; 355 sgid_tbl->active++; 356 if (vlan_id != 0xFFFF) 357 sgid_tbl->vlan[free_idx] = 1; 358 359 dev_dbg(&res->pdev->dev, 360 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n", 361 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active); 362 363 *index = free_idx; 364 /* unlock */ 365 return 0; 366 } 367 368 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 369 struct bnxt_qplib_gid *gid, u16 gid_idx, 370 u8 *smac) 371 { 372 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 373 struct bnxt_qplib_res, 374 sgid_tbl); 375 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 376 struct creq_modify_gid_resp resp; 377 struct cmdq_modify_gid req; 378 int rc; 379 u16 cmd_flags = 0; 380 381 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags); 382 383 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 384 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 385 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 386 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 387 if (res->prio) { 388 req.vlan |= cpu_to_le16 389 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 390 CMDQ_ADD_GID_VLAN_VLAN_EN); 391 } 392 393 /* MAC in network format */ 394 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 395 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 396 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 397 398 req.gid_index = cpu_to_le16(gid_idx); 399 400 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 401 (void *)&resp, NULL, 0); 402 return rc; 403 } 404 405 /* pkeys */ 406 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res, 407 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index, 408 u16 *pkey) 409 { 410 if (index == 0xFFFF) { 411 *pkey = 0xFFFF; 412 return 0; 413 } 414 if (index >= pkey_tbl->max) { 415 dev_err(&res->pdev->dev, 416 "Index %d exceeded PKEY table max (%d)\n", 417 index, pkey_tbl->max); 418 return -EINVAL; 419 } 420 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey)); 421 return 0; 422 } 423 424 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res, 425 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 426 bool update) 427 { 428 int i, rc = 0; 429 430 if (!pkey_tbl) { 431 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 432 return -EINVAL; 433 } 434 435 /* Do we need a pkey_lock here? */ 436 if (!pkey_tbl->active) { 437 dev_err(&res->pdev->dev, "PKEY table has no active entries\n"); 438 return -ENOMEM; 439 } 440 for (i = 0; i < pkey_tbl->max; i++) { 441 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 442 break; 443 } 444 if (i == pkey_tbl->max) { 445 dev_err(&res->pdev->dev, 446 "PKEY 0x%04x not found in the pkey table\n", *pkey); 447 return -ENOMEM; 448 } 449 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey)); 450 pkey_tbl->active--; 451 452 /* unlock */ 453 return rc; 454 } 455 456 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res, 457 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 458 bool update) 459 { 460 int i, free_idx, rc = 0; 461 462 if (!pkey_tbl) { 463 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 464 return -EINVAL; 465 } 466 467 /* Do we need a pkey_lock here? */ 468 if (pkey_tbl->active == pkey_tbl->max) { 469 dev_err(&res->pdev->dev, "PKEY table is full\n"); 470 return -ENOMEM; 471 } 472 free_idx = pkey_tbl->max; 473 for (i = 0; i < pkey_tbl->max; i++) { 474 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 475 return -EALREADY; 476 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max) 477 free_idx = i; 478 } 479 if (free_idx == pkey_tbl->max) { 480 dev_err(&res->pdev->dev, 481 "PKEY table is FULL but count is not MAX??\n"); 482 return -ENOMEM; 483 } 484 /* Add PKEY to the pkey_tbl */ 485 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey)); 486 pkey_tbl->active++; 487 488 /* unlock */ 489 return rc; 490 } 491 492 /* AH */ 493 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 494 bool block) 495 { 496 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 497 struct cmdq_create_ah req; 498 struct creq_create_ah_resp resp; 499 u16 cmd_flags = 0; 500 u32 temp32[4]; 501 u16 temp16[3]; 502 int rc; 503 504 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags); 505 506 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid)); 507 req.dgid[0] = cpu_to_le32(temp32[0]); 508 req.dgid[1] = cpu_to_le32(temp32[1]); 509 req.dgid[2] = cpu_to_le32(temp32[2]); 510 req.dgid[3] = cpu_to_le32(temp32[3]); 511 512 req.type = ah->nw_type; 513 req.hop_limit = ah->hop_limit; 514 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]); 515 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label & 516 CMDQ_CREATE_AH_FLOW_LABEL_MASK) | 517 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK); 518 req.pd_id = cpu_to_le32(ah->pd->id); 519 req.traffic_class = ah->traffic_class; 520 521 /* MAC in network format */ 522 memcpy(temp16, ah->dmac, 6); 523 req.dest_mac[0] = cpu_to_le16(temp16[0]); 524 req.dest_mac[1] = cpu_to_le16(temp16[1]); 525 req.dest_mac[2] = cpu_to_le16(temp16[2]); 526 527 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 528 NULL, block); 529 if (rc) 530 return rc; 531 532 ah->id = le32_to_cpu(resp.xid); 533 return 0; 534 } 535 536 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 537 bool block) 538 { 539 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 540 struct cmdq_destroy_ah req; 541 struct creq_destroy_ah_resp resp; 542 u16 cmd_flags = 0; 543 544 /* Clean up the AH table in the device */ 545 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags); 546 547 req.ah_cid = cpu_to_le32(ah->id); 548 549 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL, 550 block); 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, &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, &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 bnxt_qplib_hwq_attr hwq_attr = {}; 657 struct bnxt_qplib_sg_info sginfo = {}; 658 struct creq_register_mr_resp resp; 659 struct cmdq_register_mr req; 660 int pg_ptrs, pages, i, rc; 661 u16 cmd_flags = 0, level; 662 dma_addr_t **pbl_ptr; 663 u32 pg_size; 664 665 if (num_pbls) { 666 /* Allocate memory for the non-leaf pages to store buf ptrs. 667 * Non-leaf pages always uses system PAGE_SIZE 668 */ 669 pg_ptrs = roundup_pow_of_two(num_pbls); 670 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 671 if (!pages) 672 pages++; 673 674 if (pages > MAX_PBL_LVL_1_PGS) { 675 dev_err(&res->pdev->dev, 676 "SP: Reg MR: pages requested (0x%x) exceeded max (0x%x)\n", 677 pages, MAX_PBL_LVL_1_PGS); 678 return -ENOMEM; 679 } 680 /* Free the hwq if it already exist, must be a rereg */ 681 if (mr->hwq.max_elements) 682 bnxt_qplib_free_hwq(res, &mr->hwq); 683 /* Use system PAGE_SIZE */ 684 hwq_attr.res = res; 685 hwq_attr.depth = pages; 686 hwq_attr.stride = PAGE_SIZE; 687 hwq_attr.type = HWQ_TYPE_MR; 688 hwq_attr.sginfo = &sginfo; 689 hwq_attr.sginfo->npages = pages; 690 hwq_attr.sginfo->pgsize = PAGE_SIZE; 691 hwq_attr.sginfo->pgshft = PAGE_SHIFT; 692 rc = bnxt_qplib_alloc_init_hwq(&mr->hwq, &hwq_attr); 693 if (rc) { 694 dev_err(&res->pdev->dev, 695 "SP: Reg MR memory allocation failed\n"); 696 return -ENOMEM; 697 } 698 /* Write to the hwq */ 699 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr; 700 for (i = 0; i < num_pbls; i++) 701 pbl_ptr[PTR_PG(i)][PTR_IDX(i)] = 702 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID; 703 } 704 705 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags); 706 707 /* Configure the request */ 708 if (mr->hwq.level == PBL_LVL_MAX) { 709 /* No PBL provided, just use system PAGE_SIZE */ 710 level = 0; 711 req.pbl = 0; 712 pg_size = PAGE_SIZE; 713 } else { 714 level = mr->hwq.level + 1; 715 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]); 716 } 717 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE; 718 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) | 719 ((ilog2(pg_size) << 720 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) & 721 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK); 722 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) << 723 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) & 724 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK)); 725 req.access = (mr->flags & 0xFFFF); 726 req.va = cpu_to_le64(mr->va); 727 req.key = cpu_to_le32(mr->lkey); 728 req.mr_size = cpu_to_le64(mr->total_size); 729 730 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 731 (void *)&resp, NULL, block); 732 if (rc) 733 goto fail; 734 735 return 0; 736 737 fail: 738 if (mr->hwq.max_elements) 739 bnxt_qplib_free_hwq(res, &mr->hwq); 740 return rc; 741 } 742 743 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res, 744 struct bnxt_qplib_frpl *frpl, 745 int max_pg_ptrs) 746 { 747 struct bnxt_qplib_hwq_attr hwq_attr = {}; 748 struct bnxt_qplib_sg_info sginfo = {}; 749 int pg_ptrs, pages, rc; 750 751 /* Re-calculate the max to fit the HWQ allocation model */ 752 pg_ptrs = roundup_pow_of_two(max_pg_ptrs); 753 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 754 if (!pages) 755 pages++; 756 757 if (pages > MAX_PBL_LVL_1_PGS) 758 return -ENOMEM; 759 760 sginfo.pgsize = PAGE_SIZE; 761 sginfo.nopte = true; 762 763 hwq_attr.res = res; 764 hwq_attr.depth = pg_ptrs; 765 hwq_attr.stride = PAGE_SIZE; 766 hwq_attr.sginfo = &sginfo; 767 hwq_attr.type = HWQ_TYPE_CTX; 768 rc = bnxt_qplib_alloc_init_hwq(&frpl->hwq, &hwq_attr); 769 if (!rc) 770 frpl->max_pg_ptrs = pg_ptrs; 771 772 return rc; 773 } 774 775 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res, 776 struct bnxt_qplib_frpl *frpl) 777 { 778 bnxt_qplib_free_hwq(res, &frpl->hwq); 779 return 0; 780 } 781 782 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids) 783 { 784 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 785 struct cmdq_map_tc_to_cos req; 786 struct creq_map_tc_to_cos_resp resp; 787 u16 cmd_flags = 0; 788 789 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags); 790 req.cos0 = cpu_to_le16(cids[0]); 791 req.cos1 = cpu_to_le16(cids[1]); 792 793 return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 794 NULL, 0); 795 } 796 797 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw, 798 struct bnxt_qplib_roce_stats *stats) 799 { 800 struct cmdq_query_roce_stats req; 801 struct creq_query_roce_stats_resp resp; 802 struct bnxt_qplib_rcfw_sbuf *sbuf; 803 struct creq_query_roce_stats_resp_sb *sb; 804 u16 cmd_flags = 0; 805 int rc = 0; 806 807 RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags); 808 809 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 810 if (!sbuf) { 811 dev_err(&rcfw->pdev->dev, 812 "SP: QUERY_ROCE_STATS alloc side buffer failed\n"); 813 return -ENOMEM; 814 } 815 816 sb = sbuf->sb; 817 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 818 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 819 (void *)sbuf, 0); 820 if (rc) 821 goto bail; 822 /* Extract the context from the side buffer */ 823 stats->to_retransmits = le64_to_cpu(sb->to_retransmits); 824 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd); 825 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded); 826 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd); 827 stats->missing_resp = le64_to_cpu(sb->missing_resp); 828 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err); 829 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err); 830 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err); 831 stats->local_protection_err = le64_to_cpu(sb->local_protection_err); 832 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err); 833 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err); 834 stats->remote_access_err = le64_to_cpu(sb->remote_access_err); 835 stats->remote_op_err = le64_to_cpu(sb->remote_op_err); 836 stats->dup_req = le64_to_cpu(sb->dup_req); 837 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max); 838 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch); 839 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe); 840 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err); 841 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey); 842 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err); 843 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm); 844 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err); 845 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey); 846 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err); 847 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm); 848 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err); 849 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow); 850 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode); 851 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic); 852 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err); 853 stats->res_mem_error = le64_to_cpu(sb->res_mem_error); 854 stats->res_srq_err = le64_to_cpu(sb->res_srq_err); 855 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err); 856 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey); 857 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err); 858 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err); 859 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err); 860 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err); 861 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err); 862 if (!rcfw->init_oos_stats) { 863 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 864 rcfw->init_oos_stats = 1; 865 } else { 866 stats->res_oos_drop_count += 867 (le64_to_cpu(sb->res_oos_drop_count) - 868 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK; 869 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 870 } 871 872 bail: 873 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 874 return rc; 875 } 876