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 bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw) 58 { 59 u16 pcie_ctl2 = 0; 60 61 if (!bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx)) 62 return false; 63 64 pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2, &pcie_ctl2); 65 return (pcie_ctl2 & PCI_EXP_DEVCTL2_ATOMIC_REQ); 66 } 67 68 static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw, 69 char *fw_ver) 70 { 71 struct cmdq_query_version req; 72 struct creq_query_version_resp resp; 73 u16 cmd_flags = 0; 74 int rc = 0; 75 76 RCFW_CMD_PREP(req, QUERY_VERSION, cmd_flags); 77 78 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 79 (void *)&resp, NULL, 0); 80 if (rc) 81 return; 82 fw_ver[0] = resp.fw_maj; 83 fw_ver[1] = resp.fw_minor; 84 fw_ver[2] = resp.fw_bld; 85 fw_ver[3] = resp.fw_rsvd; 86 } 87 88 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, 89 struct bnxt_qplib_dev_attr *attr, bool vf) 90 { 91 struct cmdq_query_func req; 92 struct creq_query_func_resp resp; 93 struct bnxt_qplib_rcfw_sbuf *sbuf; 94 struct creq_query_func_resp_sb *sb; 95 u16 cmd_flags = 0; 96 u32 temp; 97 u8 *tqm_alloc; 98 int i, rc = 0; 99 100 RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags); 101 102 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 103 if (!sbuf) { 104 dev_err(&rcfw->pdev->dev, 105 "SP: QUERY_FUNC alloc side buffer failed\n"); 106 return -ENOMEM; 107 } 108 109 sb = sbuf->sb; 110 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 111 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 112 (void *)sbuf, 0); 113 if (rc) 114 goto bail; 115 116 /* Extract the context from the side buffer */ 117 attr->max_qp = le32_to_cpu(sb->max_qp); 118 /* max_qp value reported by FW for PF doesn't include the QP1 for PF */ 119 if (!vf) 120 attr->max_qp += 1; 121 attr->max_qp_rd_atom = 122 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? 123 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom; 124 attr->max_qp_init_rd_atom = 125 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? 126 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom; 127 attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr); 128 /* 129 * 128 WQEs needs to be reserved for the HW (8916). Prevent 130 * reporting the max number 131 */ 132 attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1; 133 attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ? 134 6 : sb->max_sge; 135 attr->max_cq = le32_to_cpu(sb->max_cq); 136 attr->max_cq_wqes = le32_to_cpu(sb->max_cqe); 137 attr->max_cq_sges = attr->max_qp_sges; 138 attr->max_mr = le32_to_cpu(sb->max_mr); 139 attr->max_mw = le32_to_cpu(sb->max_mw); 140 141 attr->max_mr_size = le64_to_cpu(sb->max_mr_size); 142 attr->max_pd = 64 * 1024; 143 attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp); 144 attr->max_ah = le32_to_cpu(sb->max_ah); 145 146 attr->max_srq = le16_to_cpu(sb->max_srq); 147 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1; 148 attr->max_srq_sges = sb->max_srq_sge; 149 attr->max_pkey = le32_to_cpu(sb->max_pkeys); 150 /* 151 * Some versions of FW reports more than 0xFFFF. 152 * Restrict it for now to 0xFFFF to avoid 153 * reporting trucated value 154 */ 155 if (attr->max_pkey > 0xFFFF) { 156 /* ib_port_attr::pkey_tbl_len is u16 */ 157 attr->max_pkey = 0xFFFF; 158 } 159 160 attr->max_inline_data = le32_to_cpu(sb->max_inline_data); 161 attr->l2_db_size = (sb->l2_db_space_size + 1) * 162 (0x01 << RCFW_DBR_BASE_PAGE_SHIFT); 163 attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED; 164 attr->dev_cap_flags = le16_to_cpu(sb->dev_cap_flags); 165 166 bnxt_qplib_query_version(rcfw, attr->fw_ver); 167 168 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) { 169 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]); 170 tqm_alloc = (u8 *)&temp; 171 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc; 172 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc); 173 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc); 174 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); 175 } 176 177 attr->is_atomic = bnxt_qplib_is_atomic_cap(rcfw); 178 bail: 179 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 180 return rc; 181 } 182 183 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res, 184 struct bnxt_qplib_rcfw *rcfw, 185 struct bnxt_qplib_ctx *ctx) 186 { 187 struct cmdq_set_func_resources req; 188 struct creq_set_func_resources_resp resp; 189 u16 cmd_flags = 0; 190 int rc = 0; 191 192 RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags); 193 194 req.number_of_qp = cpu_to_le32(ctx->qpc_count); 195 req.number_of_mrw = cpu_to_le32(ctx->mrw_count); 196 req.number_of_srq = cpu_to_le32(ctx->srqc_count); 197 req.number_of_cq = cpu_to_le32(ctx->cq_count); 198 199 req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf); 200 req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf); 201 req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf); 202 req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf); 203 req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf); 204 205 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 206 (void *)&resp, 207 NULL, 0); 208 if (rc) { 209 dev_err(&res->pdev->dev, "Failed to set function resources\n"); 210 } 211 return rc; 212 } 213 214 /* SGID */ 215 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, 216 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, 217 struct bnxt_qplib_gid *gid) 218 { 219 if (index >= sgid_tbl->max) { 220 dev_err(&res->pdev->dev, 221 "Index %d exceeded SGID table max (%d)\n", 222 index, sgid_tbl->max); 223 return -EINVAL; 224 } 225 memcpy(gid, &sgid_tbl->tbl[index].gid, sizeof(*gid)); 226 return 0; 227 } 228 229 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 230 struct bnxt_qplib_gid *gid, u16 vlan_id, bool update) 231 { 232 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 233 struct bnxt_qplib_res, 234 sgid_tbl); 235 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 236 int index; 237 238 if (!sgid_tbl) { 239 dev_err(&res->pdev->dev, "SGID table not allocated\n"); 240 return -EINVAL; 241 } 242 /* Do we need a sgid_lock here? */ 243 if (!sgid_tbl->active) { 244 dev_err(&res->pdev->dev, "SGID table has no active entries\n"); 245 return -ENOMEM; 246 } 247 for (index = 0; index < sgid_tbl->max; index++) { 248 if (!memcmp(&sgid_tbl->tbl[index].gid, gid, sizeof(*gid)) && 249 vlan_id == sgid_tbl->tbl[index].vlan_id) 250 break; 251 } 252 if (index == sgid_tbl->max) { 253 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n"); 254 return 0; 255 } 256 /* Remove GID from the SGID table */ 257 if (update) { 258 struct cmdq_delete_gid req; 259 struct creq_delete_gid_resp resp; 260 u16 cmd_flags = 0; 261 int rc; 262 263 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags); 264 if (sgid_tbl->hw_id[index] == 0xFFFF) { 265 dev_err(&res->pdev->dev, 266 "GID entry contains an invalid HW id\n"); 267 return -EINVAL; 268 } 269 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]); 270 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 271 (void *)&resp, NULL, 0); 272 if (rc) 273 return rc; 274 } 275 memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero, 276 sizeof(bnxt_qplib_gid_zero)); 277 sgid_tbl->tbl[index].vlan_id = 0xFFFF; 278 sgid_tbl->vlan[index] = 0; 279 sgid_tbl->active--; 280 dev_dbg(&res->pdev->dev, 281 "SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n", 282 index, sgid_tbl->hw_id[index], sgid_tbl->active); 283 sgid_tbl->hw_id[index] = (u16)-1; 284 285 /* unlock */ 286 return 0; 287 } 288 289 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 290 struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id, 291 bool update, u32 *index) 292 { 293 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 294 struct bnxt_qplib_res, 295 sgid_tbl); 296 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 297 int i, free_idx; 298 299 if (!sgid_tbl) { 300 dev_err(&res->pdev->dev, "SGID table not allocated\n"); 301 return -EINVAL; 302 } 303 /* Do we need a sgid_lock here? */ 304 if (sgid_tbl->active == sgid_tbl->max) { 305 dev_err(&res->pdev->dev, "SGID table is full\n"); 306 return -ENOMEM; 307 } 308 free_idx = sgid_tbl->max; 309 for (i = 0; i < sgid_tbl->max; i++) { 310 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid)) && 311 sgid_tbl->tbl[i].vlan_id == vlan_id) { 312 dev_dbg(&res->pdev->dev, 313 "SGID entry already exist in entry %d!\n", i); 314 *index = i; 315 return -EALREADY; 316 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero, 317 sizeof(bnxt_qplib_gid_zero)) && 318 free_idx == sgid_tbl->max) { 319 free_idx = i; 320 } 321 } 322 if (free_idx == sgid_tbl->max) { 323 dev_err(&res->pdev->dev, 324 "SGID table is FULL but count is not MAX??\n"); 325 return -ENOMEM; 326 } 327 if (update) { 328 struct cmdq_add_gid req; 329 struct creq_add_gid_resp resp; 330 u16 cmd_flags = 0; 331 int rc; 332 333 RCFW_CMD_PREP(req, ADD_GID, cmd_flags); 334 335 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 336 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 337 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 338 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 339 /* 340 * driver should ensure that all RoCE traffic is always VLAN 341 * tagged if RoCE traffic is running on non-zero VLAN ID or 342 * RoCE traffic is running on non-zero Priority. 343 */ 344 if ((vlan_id != 0xFFFF) || res->prio) { 345 if (vlan_id != 0xFFFF) 346 req.vlan = cpu_to_le16 347 (vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK); 348 req.vlan |= cpu_to_le16 349 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 350 CMDQ_ADD_GID_VLAN_VLAN_EN); 351 } 352 353 /* MAC in network format */ 354 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 355 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 356 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 357 358 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 359 (void *)&resp, NULL, 0); 360 if (rc) 361 return rc; 362 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid); 363 } 364 /* Add GID to the sgid_tbl */ 365 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid)); 366 sgid_tbl->tbl[free_idx].vlan_id = vlan_id; 367 sgid_tbl->active++; 368 if (vlan_id != 0xFFFF) 369 sgid_tbl->vlan[free_idx] = 1; 370 371 dev_dbg(&res->pdev->dev, 372 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n", 373 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active); 374 375 *index = free_idx; 376 /* unlock */ 377 return 0; 378 } 379 380 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 381 struct bnxt_qplib_gid *gid, u16 gid_idx, 382 u8 *smac) 383 { 384 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 385 struct bnxt_qplib_res, 386 sgid_tbl); 387 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 388 struct creq_modify_gid_resp resp; 389 struct cmdq_modify_gid req; 390 int rc; 391 u16 cmd_flags = 0; 392 393 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags); 394 395 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 396 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 397 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 398 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 399 if (res->prio) { 400 req.vlan |= cpu_to_le16 401 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 402 CMDQ_ADD_GID_VLAN_VLAN_EN); 403 } 404 405 /* MAC in network format */ 406 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 407 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 408 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 409 410 req.gid_index = cpu_to_le16(gid_idx); 411 412 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 413 (void *)&resp, NULL, 0); 414 return rc; 415 } 416 417 /* pkeys */ 418 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res, 419 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index, 420 u16 *pkey) 421 { 422 if (index == 0xFFFF) { 423 *pkey = 0xFFFF; 424 return 0; 425 } 426 if (index >= pkey_tbl->max) { 427 dev_err(&res->pdev->dev, 428 "Index %d exceeded PKEY table max (%d)\n", 429 index, pkey_tbl->max); 430 return -EINVAL; 431 } 432 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey)); 433 return 0; 434 } 435 436 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res, 437 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 438 bool update) 439 { 440 int i, rc = 0; 441 442 if (!pkey_tbl) { 443 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 444 return -EINVAL; 445 } 446 447 /* Do we need a pkey_lock here? */ 448 if (!pkey_tbl->active) { 449 dev_err(&res->pdev->dev, "PKEY table has no active entries\n"); 450 return -ENOMEM; 451 } 452 for (i = 0; i < pkey_tbl->max; i++) { 453 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 454 break; 455 } 456 if (i == pkey_tbl->max) { 457 dev_err(&res->pdev->dev, 458 "PKEY 0x%04x not found in the pkey table\n", *pkey); 459 return -ENOMEM; 460 } 461 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey)); 462 pkey_tbl->active--; 463 464 /* unlock */ 465 return rc; 466 } 467 468 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res, 469 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 470 bool update) 471 { 472 int i, free_idx, rc = 0; 473 474 if (!pkey_tbl) { 475 dev_err(&res->pdev->dev, "PKEY table not allocated\n"); 476 return -EINVAL; 477 } 478 479 /* Do we need a pkey_lock here? */ 480 if (pkey_tbl->active == pkey_tbl->max) { 481 dev_err(&res->pdev->dev, "PKEY table is full\n"); 482 return -ENOMEM; 483 } 484 free_idx = pkey_tbl->max; 485 for (i = 0; i < pkey_tbl->max; i++) { 486 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 487 return -EALREADY; 488 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max) 489 free_idx = i; 490 } 491 if (free_idx == pkey_tbl->max) { 492 dev_err(&res->pdev->dev, 493 "PKEY table is FULL but count is not MAX??\n"); 494 return -ENOMEM; 495 } 496 /* Add PKEY to the pkey_tbl */ 497 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey)); 498 pkey_tbl->active++; 499 500 /* unlock */ 501 return rc; 502 } 503 504 /* AH */ 505 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 506 bool block) 507 { 508 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 509 struct cmdq_create_ah req; 510 struct creq_create_ah_resp resp; 511 u16 cmd_flags = 0; 512 u32 temp32[4]; 513 u16 temp16[3]; 514 int rc; 515 516 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags); 517 518 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid)); 519 req.dgid[0] = cpu_to_le32(temp32[0]); 520 req.dgid[1] = cpu_to_le32(temp32[1]); 521 req.dgid[2] = cpu_to_le32(temp32[2]); 522 req.dgid[3] = cpu_to_le32(temp32[3]); 523 524 req.type = ah->nw_type; 525 req.hop_limit = ah->hop_limit; 526 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]); 527 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label & 528 CMDQ_CREATE_AH_FLOW_LABEL_MASK) | 529 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK); 530 req.pd_id = cpu_to_le32(ah->pd->id); 531 req.traffic_class = ah->traffic_class; 532 533 /* MAC in network format */ 534 memcpy(temp16, ah->dmac, 6); 535 req.dest_mac[0] = cpu_to_le16(temp16[0]); 536 req.dest_mac[1] = cpu_to_le16(temp16[1]); 537 req.dest_mac[2] = cpu_to_le16(temp16[2]); 538 539 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 540 NULL, block); 541 if (rc) 542 return rc; 543 544 ah->id = le32_to_cpu(resp.xid); 545 return 0; 546 } 547 548 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 549 bool block) 550 { 551 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 552 struct cmdq_destroy_ah req; 553 struct creq_destroy_ah_resp resp; 554 u16 cmd_flags = 0; 555 556 /* Clean up the AH table in the device */ 557 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags); 558 559 req.ah_cid = cpu_to_le32(ah->id); 560 561 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL, 562 block); 563 } 564 565 /* MRW */ 566 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 567 { 568 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 569 struct cmdq_deallocate_key req; 570 struct creq_deallocate_key_resp resp; 571 u16 cmd_flags = 0; 572 int rc; 573 574 if (mrw->lkey == 0xFFFFFFFF) { 575 dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n"); 576 return 0; 577 } 578 579 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags); 580 581 req.mrw_flags = mrw->type; 582 583 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 584 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 585 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 586 req.key = cpu_to_le32(mrw->rkey); 587 else 588 req.key = cpu_to_le32(mrw->lkey); 589 590 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 591 NULL, 0); 592 if (rc) 593 return rc; 594 595 /* Free the qplib's MRW memory */ 596 if (mrw->hwq.max_elements) 597 bnxt_qplib_free_hwq(res, &mrw->hwq); 598 599 return 0; 600 } 601 602 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 603 { 604 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 605 struct cmdq_allocate_mrw req; 606 struct creq_allocate_mrw_resp resp; 607 u16 cmd_flags = 0; 608 unsigned long tmp; 609 int rc; 610 611 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags); 612 613 req.pd_id = cpu_to_le32(mrw->pd->id); 614 req.mrw_flags = mrw->type; 615 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR && 616 mrw->flags & BNXT_QPLIB_FR_PMR) || 617 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A || 618 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B) 619 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY; 620 tmp = (unsigned long)mrw; 621 req.mrw_handle = cpu_to_le64(tmp); 622 623 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 624 (void *)&resp, NULL, 0); 625 if (rc) 626 return rc; 627 628 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 629 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 630 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 631 mrw->rkey = le32_to_cpu(resp.xid); 632 else 633 mrw->lkey = le32_to_cpu(resp.xid); 634 return 0; 635 } 636 637 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw, 638 bool block) 639 { 640 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 641 struct cmdq_deregister_mr req; 642 struct creq_deregister_mr_resp resp; 643 u16 cmd_flags = 0; 644 int rc; 645 646 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags); 647 648 req.lkey = cpu_to_le32(mrw->lkey); 649 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 650 (void *)&resp, NULL, block); 651 if (rc) 652 return rc; 653 654 /* Free the qplib's MR memory */ 655 if (mrw->hwq.max_elements) { 656 mrw->va = 0; 657 mrw->total_size = 0; 658 bnxt_qplib_free_hwq(res, &mrw->hwq); 659 } 660 661 return 0; 662 } 663 664 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, 665 struct ib_umem *umem, int num_pbls, u32 buf_pg_size) 666 { 667 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 668 struct bnxt_qplib_hwq_attr hwq_attr = {}; 669 struct bnxt_qplib_sg_info sginfo = {}; 670 struct creq_register_mr_resp resp; 671 struct cmdq_register_mr req; 672 u16 cmd_flags = 0, level; 673 int pages, rc; 674 u32 pg_size; 675 676 if (num_pbls) { 677 pages = roundup_pow_of_two(num_pbls); 678 /* Allocate memory for the non-leaf pages to store buf ptrs. 679 * Non-leaf pages always uses system PAGE_SIZE 680 */ 681 /* Free the hwq if it already exist, must be a rereg */ 682 if (mr->hwq.max_elements) 683 bnxt_qplib_free_hwq(res, &mr->hwq); 684 /* Use system PAGE_SIZE */ 685 hwq_attr.res = res; 686 hwq_attr.depth = pages; 687 hwq_attr.stride = buf_pg_size; 688 hwq_attr.type = HWQ_TYPE_MR; 689 hwq_attr.sginfo = &sginfo; 690 hwq_attr.sginfo->umem = umem; 691 hwq_attr.sginfo->npages = pages; 692 hwq_attr.sginfo->pgsize = PAGE_SIZE; 693 hwq_attr.sginfo->pgshft = PAGE_SHIFT; 694 rc = bnxt_qplib_alloc_init_hwq(&mr->hwq, &hwq_attr); 695 if (rc) { 696 dev_err(&res->pdev->dev, 697 "SP: Reg MR memory allocation failed\n"); 698 return -ENOMEM; 699 } 700 } 701 702 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags); 703 704 /* Configure the request */ 705 if (mr->hwq.level == PBL_LVL_MAX) { 706 /* No PBL provided, just use system PAGE_SIZE */ 707 level = 0; 708 req.pbl = 0; 709 pg_size = PAGE_SIZE; 710 } else { 711 level = mr->hwq.level; 712 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]); 713 } 714 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE; 715 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) | 716 ((ilog2(pg_size) << 717 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) & 718 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK); 719 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) << 720 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) & 721 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK)); 722 req.access = (mr->flags & 0xFFFF); 723 req.va = cpu_to_le64(mr->va); 724 req.key = cpu_to_le32(mr->lkey); 725 req.mr_size = cpu_to_le64(mr->total_size); 726 727 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 728 (void *)&resp, NULL, false); 729 if (rc) 730 goto fail; 731 732 return 0; 733 734 fail: 735 if (mr->hwq.max_elements) 736 bnxt_qplib_free_hwq(res, &mr->hwq); 737 return rc; 738 } 739 740 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res, 741 struct bnxt_qplib_frpl *frpl, 742 int max_pg_ptrs) 743 { 744 struct bnxt_qplib_hwq_attr hwq_attr = {}; 745 struct bnxt_qplib_sg_info sginfo = {}; 746 int pg_ptrs, pages, rc; 747 748 /* Re-calculate the max to fit the HWQ allocation model */ 749 pg_ptrs = roundup_pow_of_two(max_pg_ptrs); 750 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 751 if (!pages) 752 pages++; 753 754 if (pages > MAX_PBL_LVL_1_PGS) 755 return -ENOMEM; 756 757 sginfo.pgsize = PAGE_SIZE; 758 sginfo.nopte = true; 759 760 hwq_attr.res = res; 761 hwq_attr.depth = pg_ptrs; 762 hwq_attr.stride = PAGE_SIZE; 763 hwq_attr.sginfo = &sginfo; 764 hwq_attr.type = HWQ_TYPE_CTX; 765 rc = bnxt_qplib_alloc_init_hwq(&frpl->hwq, &hwq_attr); 766 if (!rc) 767 frpl->max_pg_ptrs = pg_ptrs; 768 769 return rc; 770 } 771 772 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res, 773 struct bnxt_qplib_frpl *frpl) 774 { 775 bnxt_qplib_free_hwq(res, &frpl->hwq); 776 return 0; 777 } 778 779 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids) 780 { 781 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 782 struct cmdq_map_tc_to_cos req; 783 struct creq_map_tc_to_cos_resp resp; 784 u16 cmd_flags = 0; 785 786 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags); 787 req.cos0 = cpu_to_le16(cids[0]); 788 req.cos1 = cpu_to_le16(cids[1]); 789 790 return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 791 NULL, 0); 792 } 793 794 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw, 795 struct bnxt_qplib_roce_stats *stats) 796 { 797 struct cmdq_query_roce_stats req; 798 struct creq_query_roce_stats_resp resp; 799 struct bnxt_qplib_rcfw_sbuf *sbuf; 800 struct creq_query_roce_stats_resp_sb *sb; 801 u16 cmd_flags = 0; 802 int rc = 0; 803 804 RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags); 805 806 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 807 if (!sbuf) { 808 dev_err(&rcfw->pdev->dev, 809 "SP: QUERY_ROCE_STATS alloc side buffer failed\n"); 810 return -ENOMEM; 811 } 812 813 sb = sbuf->sb; 814 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 815 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 816 (void *)sbuf, 0); 817 if (rc) 818 goto bail; 819 /* Extract the context from the side buffer */ 820 stats->to_retransmits = le64_to_cpu(sb->to_retransmits); 821 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd); 822 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded); 823 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd); 824 stats->missing_resp = le64_to_cpu(sb->missing_resp); 825 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err); 826 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err); 827 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err); 828 stats->local_protection_err = le64_to_cpu(sb->local_protection_err); 829 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err); 830 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err); 831 stats->remote_access_err = le64_to_cpu(sb->remote_access_err); 832 stats->remote_op_err = le64_to_cpu(sb->remote_op_err); 833 stats->dup_req = le64_to_cpu(sb->dup_req); 834 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max); 835 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch); 836 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe); 837 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err); 838 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey); 839 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err); 840 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm); 841 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err); 842 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey); 843 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err); 844 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm); 845 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err); 846 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow); 847 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode); 848 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic); 849 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err); 850 stats->res_mem_error = le64_to_cpu(sb->res_mem_error); 851 stats->res_srq_err = le64_to_cpu(sb->res_srq_err); 852 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err); 853 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey); 854 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err); 855 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err); 856 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err); 857 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err); 858 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err); 859 if (!rcfw->init_oos_stats) { 860 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 861 rcfw->init_oos_stats = 1; 862 } else { 863 stats->res_oos_drop_count += 864 (le64_to_cpu(sb->res_oos_drop_count) - 865 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK; 866 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count); 867 } 868 869 bail: 870 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 871 return rc; 872 } 873 874 int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid, 875 struct bnxt_qplib_ext_stat *estat) 876 { 877 struct creq_query_roce_stats_ext_resp resp = {}; 878 struct creq_query_roce_stats_ext_resp_sb *sb; 879 struct cmdq_query_roce_stats_ext req = {}; 880 struct bnxt_qplib_rcfw_sbuf *sbuf; 881 u16 cmd_flags = 0; 882 int rc; 883 884 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 885 if (!sbuf) { 886 dev_err(&rcfw->pdev->dev, 887 "SP: QUERY_ROCE_STATS_EXT alloc sb failed"); 888 return -ENOMEM; 889 } 890 891 RCFW_CMD_PREP(req, QUERY_ROCE_STATS_EXT, cmd_flags); 892 893 req.resp_size = ALIGN(sizeof(*sb), BNXT_QPLIB_CMDQE_UNITS); 894 req.resp_addr = cpu_to_le64(sbuf->dma_addr); 895 req.function_id = cpu_to_le32(fid); 896 req.flags = cpu_to_le16(CMDQ_QUERY_ROCE_STATS_EXT_FLAGS_FUNCTION_ID); 897 898 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 899 (void *)&resp, (void *)sbuf, 0); 900 if (rc) 901 goto bail; 902 903 sb = sbuf->sb; 904 estat->tx_atomic_req = le64_to_cpu(sb->tx_atomic_req_pkts); 905 estat->tx_read_req = le64_to_cpu(sb->tx_read_req_pkts); 906 estat->tx_read_res = le64_to_cpu(sb->tx_read_res_pkts); 907 estat->tx_write_req = le64_to_cpu(sb->tx_write_req_pkts); 908 estat->tx_send_req = le64_to_cpu(sb->tx_send_req_pkts); 909 estat->rx_atomic_req = le64_to_cpu(sb->rx_atomic_req_pkts); 910 estat->rx_read_req = le64_to_cpu(sb->rx_read_req_pkts); 911 estat->rx_read_res = le64_to_cpu(sb->rx_read_res_pkts); 912 estat->rx_write_req = le64_to_cpu(sb->rx_write_req_pkts); 913 estat->rx_send_req = le64_to_cpu(sb->rx_send_req_pkts); 914 estat->rx_roce_good_pkts = le64_to_cpu(sb->rx_roce_good_pkts); 915 estat->rx_roce_good_bytes = le64_to_cpu(sb->rx_roce_good_bytes); 916 estat->rx_out_of_buffer = le64_to_cpu(sb->rx_out_of_buffer_pkts); 917 estat->rx_out_of_sequence = le64_to_cpu(sb->rx_out_of_sequence_pkts); 918 919 bail: 920 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 921 return rc; 922 } 923