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 bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw) 56 { 57 int rc; 58 u16 pcie_ctl2; 59 60 rc = pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2, 61 &pcie_ctl2); 62 if (rc) 63 return false; 64 return !!(pcie_ctl2 & PCI_EXP_DEVCTL2_ATOMIC_REQ); 65 } 66 67 static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw, 68 char *fw_ver) 69 { 70 struct cmdq_query_version req; 71 struct creq_query_version_resp resp; 72 u16 cmd_flags = 0; 73 int rc = 0; 74 75 RCFW_CMD_PREP(req, QUERY_VERSION, cmd_flags); 76 77 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 78 (void *)&resp, NULL, 0); 79 if (rc) 80 return; 81 fw_ver[0] = resp.fw_maj; 82 fw_ver[1] = resp.fw_minor; 83 fw_ver[2] = resp.fw_bld; 84 fw_ver[3] = resp.fw_rsvd; 85 } 86 87 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, 88 struct bnxt_qplib_dev_attr *attr, bool vf) 89 { 90 struct cmdq_query_func req; 91 struct creq_query_func_resp resp; 92 struct bnxt_qplib_rcfw_sbuf *sbuf; 93 struct creq_query_func_resp_sb *sb; 94 u16 cmd_flags = 0; 95 u32 temp; 96 u8 *tqm_alloc; 97 int i, rc = 0; 98 99 RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags); 100 101 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); 102 if (!sbuf) { 103 dev_err(&rcfw->pdev->dev, 104 "QPLIB: SP: QUERY_FUNC alloc side buffer failed"); 105 return -ENOMEM; 106 } 107 108 sb = sbuf->sb; 109 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 110 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 111 (void *)sbuf, 0); 112 if (rc) 113 goto bail; 114 115 /* Extract the context from the side buffer */ 116 attr->max_qp = le32_to_cpu(sb->max_qp); 117 /* max_qp value reported by FW for PF doesn't include the QP1 for PF */ 118 if (!vf) 119 attr->max_qp += 1; 120 attr->max_qp_rd_atom = 121 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? 122 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom; 123 attr->max_qp_init_rd_atom = 124 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? 125 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom; 126 attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr); 127 /* 128 * 128 WQEs needs to be reserved for the HW (8916). Prevent 129 * reporting the max number 130 */ 131 attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS; 132 attr->max_qp_sges = sb->max_sge; 133 attr->max_cq = le32_to_cpu(sb->max_cq); 134 attr->max_cq_wqes = le32_to_cpu(sb->max_cqe); 135 attr->max_cq_sges = attr->max_qp_sges; 136 attr->max_mr = le32_to_cpu(sb->max_mr); 137 attr->max_mw = le32_to_cpu(sb->max_mw); 138 139 attr->max_mr_size = le64_to_cpu(sb->max_mr_size); 140 attr->max_pd = 64 * 1024; 141 attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp); 142 attr->max_ah = le32_to_cpu(sb->max_ah); 143 144 attr->max_fmr = le32_to_cpu(sb->max_fmr); 145 attr->max_map_per_fmr = sb->max_map_per_fmr; 146 147 attr->max_srq = le16_to_cpu(sb->max_srq); 148 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1; 149 attr->max_srq_sges = sb->max_srq_sge; 150 /* Bono only reports 1 PKEY for now, but it can support > 1 */ 151 attr->max_pkey = le32_to_cpu(sb->max_pkeys); 152 153 attr->max_inline_data = le32_to_cpu(sb->max_inline_data); 154 attr->l2_db_size = (sb->l2_db_space_size + 1) * PAGE_SIZE; 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 = bnxt_qplib_is_atomic_cap(rcfw); 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, 201 "QPLIB: Failed to set function resources"); 202 } 203 return rc; 204 } 205 206 /* SGID */ 207 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, 208 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, 209 struct bnxt_qplib_gid *gid) 210 { 211 if (index > sgid_tbl->max) { 212 dev_err(&res->pdev->dev, 213 "QPLIB: Index %d exceeded SGID table max (%d)", 214 index, sgid_tbl->max); 215 return -EINVAL; 216 } 217 memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid)); 218 return 0; 219 } 220 221 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 222 struct bnxt_qplib_gid *gid, bool update) 223 { 224 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 225 struct bnxt_qplib_res, 226 sgid_tbl); 227 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 228 int index; 229 230 if (!sgid_tbl) { 231 dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated"); 232 return -EINVAL; 233 } 234 /* Do we need a sgid_lock here? */ 235 if (!sgid_tbl->active) { 236 dev_err(&res->pdev->dev, 237 "QPLIB: SGID table has no active entries"); 238 return -ENOMEM; 239 } 240 for (index = 0; index < sgid_tbl->max; index++) { 241 if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid))) 242 break; 243 } 244 if (index == sgid_tbl->max) { 245 dev_warn(&res->pdev->dev, "GID not found in the SGID table"); 246 return 0; 247 } 248 /* Remove GID from the SGID table */ 249 if (update) { 250 struct cmdq_delete_gid req; 251 struct creq_delete_gid_resp resp; 252 u16 cmd_flags = 0; 253 int rc; 254 255 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags); 256 if (sgid_tbl->hw_id[index] == 0xFFFF) { 257 dev_err(&res->pdev->dev, 258 "QPLIB: GID entry contains an invalid HW id"); 259 return -EINVAL; 260 } 261 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]); 262 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 263 (void *)&resp, NULL, 0); 264 if (rc) 265 return rc; 266 } 267 memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero, 268 sizeof(bnxt_qplib_gid_zero)); 269 sgid_tbl->vlan[index] = 0; 270 sgid_tbl->active--; 271 dev_dbg(&res->pdev->dev, 272 "QPLIB: SGID deleted hw_id[0x%x] = 0x%x active = 0x%x", 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, "QPLIB: SGID table not allocated"); 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, "QPLIB: SGID table is full"); 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 dev_dbg(&res->pdev->dev, 303 "QPLIB: SGID entry already exist in entry %d!", 304 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 "QPLIB: SGID table is FULL but count is not MAX??"); 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->active++; 358 if (vlan_id != 0xFFFF) 359 sgid_tbl->vlan[free_idx] = 1; 360 361 dev_dbg(&res->pdev->dev, 362 "QPLIB: SGID added hw_id[0x%x] = 0x%x active = 0x%x", 363 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active); 364 365 *index = free_idx; 366 /* unlock */ 367 return 0; 368 } 369 370 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 371 struct bnxt_qplib_gid *gid, u16 gid_idx, 372 u8 *smac) 373 { 374 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 375 struct bnxt_qplib_res, 376 sgid_tbl); 377 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 378 struct creq_modify_gid_resp resp; 379 struct cmdq_modify_gid req; 380 int rc; 381 u16 cmd_flags = 0; 382 383 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags); 384 385 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]); 386 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]); 387 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]); 388 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]); 389 if (res->prio) { 390 req.vlan |= cpu_to_le16 391 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 392 CMDQ_ADD_GID_VLAN_VLAN_EN); 393 } 394 395 /* MAC in network format */ 396 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]); 397 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]); 398 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]); 399 400 req.gid_index = cpu_to_le16(gid_idx); 401 402 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 403 (void *)&resp, NULL, 0); 404 return rc; 405 } 406 407 /* pkeys */ 408 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res, 409 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index, 410 u16 *pkey) 411 { 412 if (index == 0xFFFF) { 413 *pkey = 0xFFFF; 414 return 0; 415 } 416 if (index > pkey_tbl->max) { 417 dev_err(&res->pdev->dev, 418 "QPLIB: Index %d exceeded PKEY table max (%d)", 419 index, pkey_tbl->max); 420 return -EINVAL; 421 } 422 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey)); 423 return 0; 424 } 425 426 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res, 427 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 428 bool update) 429 { 430 int i, rc = 0; 431 432 if (!pkey_tbl) { 433 dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated"); 434 return -EINVAL; 435 } 436 437 /* Do we need a pkey_lock here? */ 438 if (!pkey_tbl->active) { 439 dev_err(&res->pdev->dev, 440 "QPLIB: PKEY table has no active entries"); 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 "QPLIB: PKEY 0x%04x not found in the pkey table", 450 *pkey); 451 return -ENOMEM; 452 } 453 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey)); 454 pkey_tbl->active--; 455 456 /* unlock */ 457 return rc; 458 } 459 460 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res, 461 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 462 bool update) 463 { 464 int i, free_idx, rc = 0; 465 466 if (!pkey_tbl) { 467 dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated"); 468 return -EINVAL; 469 } 470 471 /* Do we need a pkey_lock here? */ 472 if (pkey_tbl->active == pkey_tbl->max) { 473 dev_err(&res->pdev->dev, "QPLIB: PKEY table is full"); 474 return -ENOMEM; 475 } 476 free_idx = pkey_tbl->max; 477 for (i = 0; i < pkey_tbl->max; i++) { 478 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 479 return -EALREADY; 480 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max) 481 free_idx = i; 482 } 483 if (free_idx == pkey_tbl->max) { 484 dev_err(&res->pdev->dev, 485 "QPLIB: PKEY table is FULL but count is not MAX??"); 486 return -ENOMEM; 487 } 488 /* Add PKEY to the pkey_tbl */ 489 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey)); 490 pkey_tbl->active++; 491 492 /* unlock */ 493 return rc; 494 } 495 496 /* AH */ 497 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) 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, 1); 532 if (rc) 533 return rc; 534 535 ah->id = le32_to_cpu(resp.xid); 536 return 0; 537 } 538 539 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) 540 { 541 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 542 struct cmdq_destroy_ah req; 543 struct creq_destroy_ah_resp resp; 544 u16 cmd_flags = 0; 545 int rc; 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 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 553 NULL, 1); 554 if (rc) 555 return rc; 556 return 0; 557 } 558 559 /* MRW */ 560 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 561 { 562 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 563 struct cmdq_deallocate_key req; 564 struct creq_deallocate_key_resp resp; 565 u16 cmd_flags = 0; 566 int rc; 567 568 if (mrw->lkey == 0xFFFFFFFF) { 569 dev_info(&res->pdev->dev, 570 "QPLIB: SP: Free a reserved lkey MRW"); 571 return 0; 572 } 573 574 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags); 575 576 req.mrw_flags = mrw->type; 577 578 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 579 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 580 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 581 req.key = cpu_to_le32(mrw->rkey); 582 else 583 req.key = cpu_to_le32(mrw->lkey); 584 585 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, 586 NULL, 0); 587 if (rc) 588 return rc; 589 590 /* Free the qplib's MRW memory */ 591 if (mrw->hwq.max_elements) 592 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); 593 594 return 0; 595 } 596 597 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 598 { 599 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 600 struct cmdq_allocate_mrw req; 601 struct creq_allocate_mrw_resp resp; 602 u16 cmd_flags = 0; 603 unsigned long tmp; 604 int rc; 605 606 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags); 607 608 req.pd_id = cpu_to_le32(mrw->pd->id); 609 req.mrw_flags = mrw->type; 610 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR && 611 mrw->flags & BNXT_QPLIB_FR_PMR) || 612 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A || 613 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B) 614 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY; 615 tmp = (unsigned long)mrw; 616 req.mrw_handle = cpu_to_le64(tmp); 617 618 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 619 (void *)&resp, NULL, 0); 620 if (rc) 621 return rc; 622 623 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 624 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 625 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 626 mrw->rkey = le32_to_cpu(resp.xid); 627 else 628 mrw->lkey = le32_to_cpu(resp.xid); 629 return 0; 630 } 631 632 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw, 633 bool block) 634 { 635 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 636 struct cmdq_deregister_mr req; 637 struct creq_deregister_mr_resp resp; 638 u16 cmd_flags = 0; 639 int rc; 640 641 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags); 642 643 req.lkey = cpu_to_le32(mrw->lkey); 644 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 645 (void *)&resp, NULL, block); 646 if (rc) 647 return rc; 648 649 /* Free the qplib's MR memory */ 650 if (mrw->hwq.max_elements) { 651 mrw->va = 0; 652 mrw->total_size = 0; 653 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); 654 } 655 656 return 0; 657 } 658 659 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, 660 u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size) 661 { 662 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 663 struct cmdq_register_mr req; 664 struct creq_register_mr_resp resp; 665 u16 cmd_flags = 0, level; 666 int pg_ptrs, pages, i, rc; 667 dma_addr_t **pbl_ptr; 668 u32 pg_size; 669 670 if (num_pbls) { 671 /* Allocate memory for the non-leaf pages to store buf ptrs. 672 * Non-leaf pages always uses system PAGE_SIZE 673 */ 674 pg_ptrs = roundup_pow_of_two(num_pbls); 675 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 676 if (!pages) 677 pages++; 678 679 if (pages > MAX_PBL_LVL_1_PGS) { 680 dev_err(&res->pdev->dev, "QPLIB: SP: Reg MR pages "); 681 dev_err(&res->pdev->dev, 682 "requested (0x%x) exceeded max (0x%x)", 683 pages, MAX_PBL_LVL_1_PGS); 684 return -ENOMEM; 685 } 686 /* Free the hwq if it already exist, must be a rereg */ 687 if (mr->hwq.max_elements) 688 bnxt_qplib_free_hwq(res->pdev, &mr->hwq); 689 690 mr->hwq.max_elements = pages; 691 /* Use system PAGE_SIZE */ 692 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0, 693 &mr->hwq.max_elements, 694 PAGE_SIZE, 0, PAGE_SIZE, 695 HWQ_TYPE_CTX); 696 if (rc) { 697 dev_err(&res->pdev->dev, 698 "SP: Reg MR memory allocation failed"); 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->pdev, &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 int pg_ptrs, pages, rc; 751 752 /* Re-calculate the max to fit the HWQ allocation model */ 753 pg_ptrs = roundup_pow_of_two(max_pg_ptrs); 754 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 755 if (!pages) 756 pages++; 757 758 if (pages > MAX_PBL_LVL_1_PGS) 759 return -ENOMEM; 760 761 frpl->hwq.max_elements = pages; 762 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 0, 763 &frpl->hwq.max_elements, PAGE_SIZE, 0, 764 PAGE_SIZE, HWQ_TYPE_CTX); 765 if (!rc) 766 frpl->max_pg_ptrs = pg_ptrs; 767 768 return rc; 769 } 770 771 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res, 772 struct bnxt_qplib_frpl *frpl) 773 { 774 bnxt_qplib_free_hwq(res->pdev, &frpl->hwq); 775 return 0; 776 } 777 778 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids) 779 { 780 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 781 struct cmdq_map_tc_to_cos req; 782 struct creq_map_tc_to_cos_resp resp; 783 u16 cmd_flags = 0; 784 785 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags); 786 req.cos0 = cpu_to_le16(cids[0]); 787 req.cos1 = cpu_to_le16(cids[1]); 788 789 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL, 790 0); 791 return 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 "QPLIB: SP: QUERY_ROCE_STATS alloc side buffer failed"); 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 bail: 860 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); 861 return rc; 862 } 863