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 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, 55 struct bnxt_qplib_dev_attr *attr) 56 { 57 struct cmdq_query_func req; 58 struct creq_query_func_resp *resp; 59 struct creq_query_func_resp_sb *sb; 60 u16 cmd_flags = 0; 61 u32 temp; 62 u8 *tqm_alloc; 63 int i; 64 65 RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags); 66 67 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; 68 resp = (struct creq_query_func_resp *) 69 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void **)&sb, 70 0); 71 if (!resp) { 72 dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC send failed"); 73 return -EINVAL; 74 } 75 if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { 76 /* Cmd timed out */ 77 dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC timed out"); 78 return -ETIMEDOUT; 79 } 80 if (resp->status || 81 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 82 dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC failed "); 83 dev_err(&rcfw->pdev->dev, 84 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 85 resp->status, le16_to_cpu(req.cookie), 86 le16_to_cpu(resp->cookie)); 87 return -EINVAL; 88 } 89 /* Extract the context from the side buffer */ 90 attr->max_qp = le32_to_cpu(sb->max_qp); 91 attr->max_qp_rd_atom = 92 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? 93 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom; 94 attr->max_qp_init_rd_atom = 95 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? 96 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom; 97 attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr); 98 attr->max_qp_sges = sb->max_sge; 99 attr->max_cq = le32_to_cpu(sb->max_cq); 100 attr->max_cq_wqes = le32_to_cpu(sb->max_cqe); 101 attr->max_cq_sges = attr->max_qp_sges; 102 attr->max_mr = le32_to_cpu(sb->max_mr); 103 attr->max_mw = le32_to_cpu(sb->max_mw); 104 105 attr->max_mr_size = le64_to_cpu(sb->max_mr_size); 106 attr->max_pd = 64 * 1024; 107 attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp); 108 attr->max_ah = le32_to_cpu(sb->max_ah); 109 110 attr->max_fmr = le32_to_cpu(sb->max_fmr); 111 attr->max_map_per_fmr = sb->max_map_per_fmr; 112 113 attr->max_srq = le16_to_cpu(sb->max_srq); 114 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1; 115 attr->max_srq_sges = sb->max_srq_sge; 116 /* Bono only reports 1 PKEY for now, but it can support > 1 */ 117 attr->max_pkey = le32_to_cpu(sb->max_pkeys); 118 119 attr->max_inline_data = le32_to_cpu(sb->max_inline_data); 120 attr->l2_db_size = (sb->l2_db_space_size + 1) * PAGE_SIZE; 121 attr->max_sgid = le32_to_cpu(sb->max_gid); 122 123 strlcpy(attr->fw_ver, "20.6.28.0", sizeof(attr->fw_ver)); 124 125 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) { 126 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]); 127 tqm_alloc = (u8 *)&temp; 128 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc; 129 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc); 130 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc); 131 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); 132 } 133 return 0; 134 } 135 136 /* SGID */ 137 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, 138 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, 139 struct bnxt_qplib_gid *gid) 140 { 141 if (index > sgid_tbl->max) { 142 dev_err(&res->pdev->dev, 143 "QPLIB: Index %d exceeded SGID table max (%d)", 144 index, sgid_tbl->max); 145 return -EINVAL; 146 } 147 memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid)); 148 return 0; 149 } 150 151 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 152 struct bnxt_qplib_gid *gid, bool update) 153 { 154 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 155 struct bnxt_qplib_res, 156 sgid_tbl); 157 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 158 int index; 159 160 if (!sgid_tbl) { 161 dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated"); 162 return -EINVAL; 163 } 164 /* Do we need a sgid_lock here? */ 165 if (!sgid_tbl->active) { 166 dev_err(&res->pdev->dev, 167 "QPLIB: SGID table has no active entries"); 168 return -ENOMEM; 169 } 170 for (index = 0; index < sgid_tbl->max; index++) { 171 if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid))) 172 break; 173 } 174 if (index == sgid_tbl->max) { 175 dev_warn(&res->pdev->dev, "GID not found in the SGID table"); 176 return 0; 177 } 178 /* Remove GID from the SGID table */ 179 if (update) { 180 struct cmdq_delete_gid req; 181 struct creq_delete_gid_resp *resp; 182 u16 cmd_flags = 0; 183 184 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags); 185 if (sgid_tbl->hw_id[index] == 0xFFFF) { 186 dev_err(&res->pdev->dev, 187 "QPLIB: GID entry contains an invalid HW id"); 188 return -EINVAL; 189 } 190 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]); 191 resp = (struct creq_delete_gid_resp *) 192 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, NULL, 193 0); 194 if (!resp) { 195 dev_err(&res->pdev->dev, 196 "QPLIB: SP: DELETE_GID send failed"); 197 return -EINVAL; 198 } 199 if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, 200 le16_to_cpu(req.cookie))) { 201 /* Cmd timed out */ 202 dev_err(&res->pdev->dev, 203 "QPLIB: SP: DELETE_GID timed out"); 204 return -ETIMEDOUT; 205 } 206 if (resp->status || 207 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 208 dev_err(&res->pdev->dev, 209 "QPLIB: SP: DELETE_GID failed "); 210 dev_err(&res->pdev->dev, 211 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 212 resp->status, le16_to_cpu(req.cookie), 213 le16_to_cpu(resp->cookie)); 214 return -EINVAL; 215 } 216 } 217 memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero, 218 sizeof(bnxt_qplib_gid_zero)); 219 sgid_tbl->active--; 220 dev_dbg(&res->pdev->dev, 221 "QPLIB: SGID deleted hw_id[0x%x] = 0x%x active = 0x%x", 222 index, sgid_tbl->hw_id[index], sgid_tbl->active); 223 sgid_tbl->hw_id[index] = (u16)-1; 224 225 /* unlock */ 226 return 0; 227 } 228 229 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 230 struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id, 231 bool update, u32 *index) 232 { 233 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl, 234 struct bnxt_qplib_res, 235 sgid_tbl); 236 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 237 int i, free_idx, rc = 0; 238 239 if (!sgid_tbl) { 240 dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated"); 241 return -EINVAL; 242 } 243 /* Do we need a sgid_lock here? */ 244 if (sgid_tbl->active == sgid_tbl->max) { 245 dev_err(&res->pdev->dev, "QPLIB: SGID table is full"); 246 return -ENOMEM; 247 } 248 free_idx = sgid_tbl->max; 249 for (i = 0; i < sgid_tbl->max; i++) { 250 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) { 251 dev_dbg(&res->pdev->dev, 252 "QPLIB: SGID entry already exist in entry %d!", 253 i); 254 *index = i; 255 return -EALREADY; 256 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero, 257 sizeof(bnxt_qplib_gid_zero)) && 258 free_idx == sgid_tbl->max) { 259 free_idx = i; 260 } 261 } 262 if (free_idx == sgid_tbl->max) { 263 dev_err(&res->pdev->dev, 264 "QPLIB: SGID table is FULL but count is not MAX??"); 265 return -ENOMEM; 266 } 267 if (update) { 268 struct cmdq_add_gid req; 269 struct creq_add_gid_resp *resp; 270 u16 cmd_flags = 0; 271 u32 temp32[4]; 272 u16 temp16[3]; 273 274 RCFW_CMD_PREP(req, ADD_GID, cmd_flags); 275 276 memcpy(temp32, gid->data, sizeof(struct bnxt_qplib_gid)); 277 req.gid[0] = cpu_to_be32(temp32[3]); 278 req.gid[1] = cpu_to_be32(temp32[2]); 279 req.gid[2] = cpu_to_be32(temp32[1]); 280 req.gid[3] = cpu_to_be32(temp32[0]); 281 if (vlan_id != 0xFFFF) 282 req.vlan = cpu_to_le16((vlan_id & 283 CMDQ_ADD_GID_VLAN_VLAN_ID_MASK) | 284 CMDQ_ADD_GID_VLAN_TPID_TPID_8100 | 285 CMDQ_ADD_GID_VLAN_VLAN_EN); 286 287 /* MAC in network format */ 288 memcpy(temp16, smac, 6); 289 req.src_mac[0] = cpu_to_be16(temp16[0]); 290 req.src_mac[1] = cpu_to_be16(temp16[1]); 291 req.src_mac[2] = cpu_to_be16(temp16[2]); 292 293 resp = (struct creq_add_gid_resp *) 294 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 295 NULL, 0); 296 if (!resp) { 297 dev_err(&res->pdev->dev, 298 "QPLIB: SP: ADD_GID send failed"); 299 return -EINVAL; 300 } 301 if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, 302 le16_to_cpu(req.cookie))) { 303 /* Cmd timed out */ 304 dev_err(&res->pdev->dev, 305 "QPIB: SP: ADD_GID timed out"); 306 return -ETIMEDOUT; 307 } 308 if (resp->status || 309 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 310 dev_err(&res->pdev->dev, "QPLIB: SP: ADD_GID failed "); 311 dev_err(&res->pdev->dev, 312 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 313 resp->status, le16_to_cpu(req.cookie), 314 le16_to_cpu(resp->cookie)); 315 return -EINVAL; 316 } 317 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp->xid); 318 } 319 /* Add GID to the sgid_tbl */ 320 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid)); 321 sgid_tbl->active++; 322 dev_dbg(&res->pdev->dev, 323 "QPLIB: SGID added hw_id[0x%x] = 0x%x active = 0x%x", 324 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active); 325 326 *index = free_idx; 327 /* unlock */ 328 return rc; 329 } 330 331 /* pkeys */ 332 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res, 333 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index, 334 u16 *pkey) 335 { 336 if (index == 0xFFFF) { 337 *pkey = 0xFFFF; 338 return 0; 339 } 340 if (index > pkey_tbl->max) { 341 dev_err(&res->pdev->dev, 342 "QPLIB: Index %d exceeded PKEY table max (%d)", 343 index, pkey_tbl->max); 344 return -EINVAL; 345 } 346 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey)); 347 return 0; 348 } 349 350 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res, 351 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 352 bool update) 353 { 354 int i, rc = 0; 355 356 if (!pkey_tbl) { 357 dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated"); 358 return -EINVAL; 359 } 360 361 /* Do we need a pkey_lock here? */ 362 if (!pkey_tbl->active) { 363 dev_err(&res->pdev->dev, 364 "QPLIB: PKEY table has no active entries"); 365 return -ENOMEM; 366 } 367 for (i = 0; i < pkey_tbl->max; i++) { 368 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 369 break; 370 } 371 if (i == pkey_tbl->max) { 372 dev_err(&res->pdev->dev, 373 "QPLIB: PKEY 0x%04x not found in the pkey table", 374 *pkey); 375 return -ENOMEM; 376 } 377 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey)); 378 pkey_tbl->active--; 379 380 /* unlock */ 381 return rc; 382 } 383 384 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res, 385 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey, 386 bool update) 387 { 388 int i, free_idx, rc = 0; 389 390 if (!pkey_tbl) { 391 dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated"); 392 return -EINVAL; 393 } 394 395 /* Do we need a pkey_lock here? */ 396 if (pkey_tbl->active == pkey_tbl->max) { 397 dev_err(&res->pdev->dev, "QPLIB: PKEY table is full"); 398 return -ENOMEM; 399 } 400 free_idx = pkey_tbl->max; 401 for (i = 0; i < pkey_tbl->max; i++) { 402 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey))) 403 return -EALREADY; 404 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max) 405 free_idx = i; 406 } 407 if (free_idx == pkey_tbl->max) { 408 dev_err(&res->pdev->dev, 409 "QPLIB: PKEY table is FULL but count is not MAX??"); 410 return -ENOMEM; 411 } 412 /* Add PKEY to the pkey_tbl */ 413 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey)); 414 pkey_tbl->active++; 415 416 /* unlock */ 417 return rc; 418 } 419 420 /* AH */ 421 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) 422 { 423 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 424 struct cmdq_create_ah req; 425 struct creq_create_ah_resp *resp; 426 u16 cmd_flags = 0; 427 u32 temp32[4]; 428 u16 temp16[3]; 429 430 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags); 431 432 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid)); 433 req.dgid[0] = cpu_to_le32(temp32[0]); 434 req.dgid[1] = cpu_to_le32(temp32[1]); 435 req.dgid[2] = cpu_to_le32(temp32[2]); 436 req.dgid[3] = cpu_to_le32(temp32[3]); 437 438 req.type = ah->nw_type; 439 req.hop_limit = ah->hop_limit; 440 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]); 441 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label & 442 CMDQ_CREATE_AH_FLOW_LABEL_MASK) | 443 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK); 444 req.pd_id = cpu_to_le32(ah->pd->id); 445 req.traffic_class = ah->traffic_class; 446 447 /* MAC in network format */ 448 memcpy(temp16, ah->dmac, 6); 449 req.dest_mac[0] = cpu_to_le16(temp16[0]); 450 req.dest_mac[1] = cpu_to_le16(temp16[1]); 451 req.dest_mac[2] = cpu_to_le16(temp16[2]); 452 453 resp = (struct creq_create_ah_resp *) 454 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 455 NULL, 1); 456 if (!resp) { 457 dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH send failed"); 458 return -EINVAL; 459 } 460 if (!bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie))) { 461 /* Cmd timed out */ 462 dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH timed out"); 463 return -ETIMEDOUT; 464 } 465 if (resp->status || 466 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 467 dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH failed "); 468 dev_err(&rcfw->pdev->dev, 469 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 470 resp->status, le16_to_cpu(req.cookie), 471 le16_to_cpu(resp->cookie)); 472 return -EINVAL; 473 } 474 ah->id = le32_to_cpu(resp->xid); 475 return 0; 476 } 477 478 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) 479 { 480 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 481 struct cmdq_destroy_ah req; 482 struct creq_destroy_ah_resp *resp; 483 u16 cmd_flags = 0; 484 485 /* Clean up the AH table in the device */ 486 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags); 487 488 req.ah_cid = cpu_to_le32(ah->id); 489 490 resp = (struct creq_destroy_ah_resp *) 491 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 492 NULL, 1); 493 if (!resp) { 494 dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH send failed"); 495 return -EINVAL; 496 } 497 if (!bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie))) { 498 /* Cmd timed out */ 499 dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH timed out"); 500 return -ETIMEDOUT; 501 } 502 if (resp->status || 503 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 504 dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH failed "); 505 dev_err(&rcfw->pdev->dev, 506 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 507 resp->status, le16_to_cpu(req.cookie), 508 le16_to_cpu(resp->cookie)); 509 return -EINVAL; 510 } 511 return 0; 512 } 513 514 /* MRW */ 515 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 516 { 517 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 518 struct cmdq_deallocate_key req; 519 struct creq_deallocate_key_resp *resp; 520 u16 cmd_flags = 0; 521 522 if (mrw->lkey == 0xFFFFFFFF) { 523 dev_info(&res->pdev->dev, 524 "QPLIB: SP: Free a reserved lkey MRW"); 525 return 0; 526 } 527 528 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags); 529 530 req.mrw_flags = mrw->type; 531 532 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 533 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 534 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 535 req.key = cpu_to_le32(mrw->rkey); 536 else 537 req.key = cpu_to_le32(mrw->lkey); 538 539 resp = (struct creq_deallocate_key_resp *) 540 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 541 NULL, 0); 542 if (!resp) { 543 dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR send failed"); 544 return -EINVAL; 545 } 546 if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { 547 /* Cmd timed out */ 548 dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR timed out"); 549 return -ETIMEDOUT; 550 } 551 if (resp->status || 552 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 553 dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR failed "); 554 dev_err(&res->pdev->dev, 555 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 556 resp->status, le16_to_cpu(req.cookie), 557 le16_to_cpu(resp->cookie)); 558 return -EINVAL; 559 } 560 /* Free the qplib's MRW memory */ 561 if (mrw->hwq.max_elements) 562 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); 563 564 return 0; 565 } 566 567 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) 568 { 569 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 570 struct cmdq_allocate_mrw req; 571 struct creq_allocate_mrw_resp *resp; 572 u16 cmd_flags = 0; 573 unsigned long tmp; 574 575 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags); 576 577 req.pd_id = cpu_to_le32(mrw->pd->id); 578 req.mrw_flags = mrw->type; 579 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR && 580 mrw->flags & BNXT_QPLIB_FR_PMR) || 581 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A || 582 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B) 583 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY; 584 tmp = (unsigned long)mrw; 585 req.mrw_handle = cpu_to_le64(tmp); 586 587 resp = (struct creq_allocate_mrw_resp *) 588 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 589 NULL, 0); 590 if (!resp) { 591 dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW send failed"); 592 return -EINVAL; 593 } 594 if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { 595 /* Cmd timed out */ 596 dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW timed out"); 597 return -ETIMEDOUT; 598 } 599 if (resp->status || 600 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 601 dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW failed "); 602 dev_err(&rcfw->pdev->dev, 603 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 604 resp->status, le16_to_cpu(req.cookie), 605 le16_to_cpu(resp->cookie)); 606 return -EINVAL; 607 } 608 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || 609 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || 610 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) 611 mrw->rkey = le32_to_cpu(resp->xid); 612 else 613 mrw->lkey = le32_to_cpu(resp->xid); 614 return 0; 615 } 616 617 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw, 618 bool block) 619 { 620 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 621 struct cmdq_deregister_mr req; 622 struct creq_deregister_mr_resp *resp; 623 u16 cmd_flags = 0; 624 int rc; 625 626 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags); 627 628 req.lkey = cpu_to_le32(mrw->lkey); 629 resp = (struct creq_deregister_mr_resp *) 630 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 631 NULL, block); 632 if (!resp) { 633 dev_err(&rcfw->pdev->dev, "QPLIB: SP: DEREG_MR send failed"); 634 return -EINVAL; 635 } 636 if (block) 637 rc = bnxt_qplib_rcfw_block_for_resp(rcfw, 638 le16_to_cpu(req.cookie)); 639 else 640 rc = bnxt_qplib_rcfw_wait_for_resp(rcfw, 641 le16_to_cpu(req.cookie)); 642 if (!rc) { 643 /* Cmd timed out */ 644 dev_err(&res->pdev->dev, "QPLIB: SP: DEREG_MR timed out"); 645 return -ETIMEDOUT; 646 } 647 if (resp->status || 648 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 649 dev_err(&rcfw->pdev->dev, "QPLIB: SP: DEREG_MR failed "); 650 dev_err(&rcfw->pdev->dev, 651 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 652 resp->status, le16_to_cpu(req.cookie), 653 le16_to_cpu(resp->cookie)); 654 return -EINVAL; 655 } 656 657 /* Free the qplib's MR memory */ 658 if (mrw->hwq.max_elements) { 659 mrw->va = 0; 660 mrw->total_size = 0; 661 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); 662 } 663 664 return 0; 665 } 666 667 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, 668 u64 *pbl_tbl, int num_pbls, bool block) 669 { 670 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 671 struct cmdq_register_mr req; 672 struct creq_register_mr_resp *resp; 673 u16 cmd_flags = 0, level; 674 int pg_ptrs, pages, i, rc; 675 dma_addr_t **pbl_ptr; 676 u32 pg_size; 677 678 if (num_pbls) { 679 pg_ptrs = roundup_pow_of_two(num_pbls); 680 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 681 if (!pages) 682 pages++; 683 684 if (pages > MAX_PBL_LVL_1_PGS) { 685 dev_err(&res->pdev->dev, "QPLIB: SP: Reg MR pages "); 686 dev_err(&res->pdev->dev, 687 "requested (0x%x) exceeded max (0x%x)", 688 pages, MAX_PBL_LVL_1_PGS); 689 return -ENOMEM; 690 } 691 /* Free the hwq if it already exist, must be a rereg */ 692 if (mr->hwq.max_elements) 693 bnxt_qplib_free_hwq(res->pdev, &mr->hwq); 694 695 mr->hwq.max_elements = pages; 696 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0, 697 &mr->hwq.max_elements, 698 PAGE_SIZE, 0, PAGE_SIZE, 699 HWQ_TYPE_CTX); 700 if (rc) { 701 dev_err(&res->pdev->dev, 702 "SP: Reg MR memory allocation failed"); 703 return -ENOMEM; 704 } 705 /* Write to the hwq */ 706 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr; 707 for (i = 0; i < num_pbls; i++) 708 pbl_ptr[PTR_PG(i)][PTR_IDX(i)] = 709 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID; 710 } 711 712 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags); 713 714 /* Configure the request */ 715 if (mr->hwq.level == PBL_LVL_MAX) { 716 level = 0; 717 req.pbl = 0; 718 pg_size = PAGE_SIZE; 719 } else { 720 level = mr->hwq.level + 1; 721 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]); 722 pg_size = mr->hwq.pbl[PBL_LVL_0].pg_size; 723 } 724 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) | 725 ((ilog2(pg_size) << 726 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) & 727 CMDQ_REGISTER_MR_LOG2_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 resp = (struct creq_register_mr_resp *) 734 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, 735 NULL, block); 736 if (!resp) { 737 dev_err(&res->pdev->dev, "SP: REG_MR send failed"); 738 rc = -EINVAL; 739 goto fail; 740 } 741 if (block) 742 rc = bnxt_qplib_rcfw_block_for_resp(rcfw, 743 le16_to_cpu(req.cookie)); 744 else 745 rc = bnxt_qplib_rcfw_wait_for_resp(rcfw, 746 le16_to_cpu(req.cookie)); 747 if (!rc) { 748 /* Cmd timed out */ 749 dev_err(&res->pdev->dev, "SP: REG_MR timed out"); 750 rc = -ETIMEDOUT; 751 goto fail; 752 } 753 if (resp->status || 754 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 755 dev_err(&res->pdev->dev, "QPLIB: SP: REG_MR failed "); 756 dev_err(&res->pdev->dev, 757 "QPLIB: SP: with status 0x%x cmdq 0x%x resp 0x%x", 758 resp->status, le16_to_cpu(req.cookie), 759 le16_to_cpu(resp->cookie)); 760 rc = -EINVAL; 761 goto fail; 762 } 763 return 0; 764 765 fail: 766 if (mr->hwq.max_elements) 767 bnxt_qplib_free_hwq(res->pdev, &mr->hwq); 768 return rc; 769 } 770 771 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res, 772 struct bnxt_qplib_frpl *frpl, 773 int max_pg_ptrs) 774 { 775 int pg_ptrs, pages, rc; 776 777 /* Re-calculate the max to fit the HWQ allocation model */ 778 pg_ptrs = roundup_pow_of_two(max_pg_ptrs); 779 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT; 780 if (!pages) 781 pages++; 782 783 if (pages > MAX_PBL_LVL_1_PGS) 784 return -ENOMEM; 785 786 frpl->hwq.max_elements = pages; 787 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 0, 788 &frpl->hwq.max_elements, PAGE_SIZE, 0, 789 PAGE_SIZE, HWQ_TYPE_CTX); 790 if (!rc) 791 frpl->max_pg_ptrs = pg_ptrs; 792 793 return rc; 794 } 795 796 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res, 797 struct bnxt_qplib_frpl *frpl) 798 { 799 bnxt_qplib_free_hwq(res->pdev, &frpl->hwq); 800 return 0; 801 } 802 803 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids) 804 { 805 struct bnxt_qplib_rcfw *rcfw = res->rcfw; 806 struct cmdq_map_tc_to_cos req; 807 struct creq_map_tc_to_cos_resp *resp; 808 u16 cmd_flags = 0; 809 int tleft; 810 811 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags); 812 req.cos0 = cpu_to_le16(cids[0]); 813 req.cos1 = cpu_to_le16(cids[1]); 814 815 resp = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, NULL, 0); 816 if (!resp) { 817 dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS send failed"); 818 return -EINVAL; 819 } 820 821 tleft = bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie)); 822 if (!tleft) { 823 dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS timed out"); 824 return -ETIMEDOUT; 825 } 826 827 if (resp->status || 828 le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { 829 dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS failed "); 830 dev_err(&res->pdev->dev, 831 "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", 832 resp->status, le16_to_cpu(req.cookie), 833 le16_to_cpu(resp->cookie)); 834 return -EINVAL; 835 } 836 837 return 0; 838 } 839