drivers/infiniband/hw/bnxt_re/qplib_sp.c

   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 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
  68                             struct bnxt_qplib_dev_attr *attr)
  69 {
  70         struct cmdq_query_func req;
  71         struct creq_query_func_resp resp;
  72         struct bnxt_qplib_rcfw_sbuf *sbuf;
  73         struct creq_query_func_resp_sb *sb;
  74         u16 cmd_flags = 0;
  75         u32 temp;
  76         u8 *tqm_alloc;
  77         int i, rc = 0;
  78
  79         RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags);
  80
  81         sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
  82         if (!sbuf) {
  83                 dev_err(&rcfw->pdev->dev,
  84                         "QPLIB: SP: QUERY_FUNC alloc side buffer failed");
  85                 return -ENOMEM;
  86         }
  87
  88         sb = sbuf->sb;
  89         req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
  90         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
  91                                           (void *)sbuf, 0);
  92         if (rc)
  93                 goto bail;
  94
  95         /* Extract the context from the side buffer */
  96         attr->max_qp = le32_to_cpu(sb->max_qp);
  97         /* max_qp value reported by FW for PF doesn't include the QP1 for PF */
  98         attr->max_qp += 1;
  99         attr->max_qp_rd_atom =
 100                 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
 101                 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom;
 102         attr->max_qp_init_rd_atom =
 103                 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
 104                 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom;
 105         attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr);
 106         /*
 107          * 128 WQEs needs to be reserved for the HW (8916). Prevent
 108          * reporting the max number
 109          */
 110         attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS;
 111         attr->max_qp_sges = sb->max_sge;
 112         attr->max_cq = le32_to_cpu(sb->max_cq);
 113         attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
 114         attr->max_cq_sges = attr->max_qp_sges;
 115         attr->max_mr = le32_to_cpu(sb->max_mr);
 116         attr->max_mw = le32_to_cpu(sb->max_mw);
 117
 118         attr->max_mr_size = le64_to_cpu(sb->max_mr_size);
 119         attr->max_pd = 64 * 1024;
 120         attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp);
 121         attr->max_ah = le32_to_cpu(sb->max_ah);
 122
 123         attr->max_fmr = le32_to_cpu(sb->max_fmr);
 124         attr->max_map_per_fmr = sb->max_map_per_fmr;
 125
 126         attr->max_srq = le16_to_cpu(sb->max_srq);
 127         attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1;
 128         attr->max_srq_sges = sb->max_srq_sge;
 129         /* Bono only reports 1 PKEY for now, but it can support > 1 */
 130         attr->max_pkey = le32_to_cpu(sb->max_pkeys);
 131
 132         attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
 133         attr->l2_db_size = (sb->l2_db_space_size + 1) * PAGE_SIZE;
 134         attr->max_sgid = le32_to_cpu(sb->max_gid);
 135
 136         strlcpy(attr->fw_ver, "20.6.28.0", sizeof(attr->fw_ver));
 137
 138         for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) {
 139                 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]);
 140                 tqm_alloc = (u8 *)&temp;
 141                 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc;
 142                 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc);
 143                 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc);
 144                 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
 145         }
 146
 147         attr->is_atomic = bnxt_qplib_is_atomic_cap(rcfw);
 148 bail:
 149         bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
 150         return rc;
 151 }
 152
 153 /* SGID */
 154 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 155                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 156                         struct bnxt_qplib_gid *gid)
 157 {
 158         if (index > sgid_tbl->max) {
 159                 dev_err(&res->pdev->dev,
 160                         "QPLIB: Index %d exceeded SGID table max (%d)",
 161                         index, sgid_tbl->max);
 162                 return -EINVAL;
 163         }
 164         memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid));
 165         return 0;
 166 }
 167
 168 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 169                         struct bnxt_qplib_gid *gid, bool update)
 170 {
 171         struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
 172                                                    struct bnxt_qplib_res,
 173                                                    sgid_tbl);
 174         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 175         int index;
 176
 177         if (!sgid_tbl) {
 178                 dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated");
 179                 return -EINVAL;
 180         }
 181         /* Do we need a sgid_lock here? */
 182         if (!sgid_tbl->active) {
 183                 dev_err(&res->pdev->dev,
 184                         "QPLIB: SGID table has no active entries");
 185                 return -ENOMEM;
 186         }
 187         for (index = 0; index < sgid_tbl->max; index++) {
 188                 if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid)))
 189                         break;
 190         }
 191         if (index == sgid_tbl->max) {
 192                 dev_warn(&res->pdev->dev, "GID not found in the SGID table");
 193                 return 0;
 194         }
 195         /* Remove GID from the SGID table */
 196         if (update) {
 197                 struct cmdq_delete_gid req;
 198                 struct creq_delete_gid_resp resp;
 199                 u16 cmd_flags = 0;
 200                 int rc;
 201
 202                 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags);
 203                 if (sgid_tbl->hw_id[index] == 0xFFFF) {
 204                         dev_err(&res->pdev->dev,
 205                                 "QPLIB: GID entry contains an invalid HW id");
 206                         return -EINVAL;
 207                 }
 208                 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]);
 209                 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 210                                                   (void *)&resp, NULL, 0);
 211                 if (rc)
 212                         return rc;
 213         }
 214         memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero,
 215                sizeof(bnxt_qplib_gid_zero));
 216         sgid_tbl->active--;
 217         dev_dbg(&res->pdev->dev,
 218                 "QPLIB: SGID deleted hw_id[0x%x] = 0x%x active = 0x%x",
 219                  index, sgid_tbl->hw_id[index], sgid_tbl->active);
 220         sgid_tbl->hw_id[index] = (u16)-1;
 221
 222         /* unlock */
 223         return 0;
 224 }
 225
 226 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 227                         struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id,
 228                         bool update, u32 *index)
 229 {
 230         struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
 231                                                    struct bnxt_qplib_res,
 232                                                    sgid_tbl);
 233         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 234         int i, free_idx;
 235
 236         if (!sgid_tbl) {
 237                 dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated");
 238                 return -EINVAL;
 239         }
 240         /* Do we need a sgid_lock here? */
 241         if (sgid_tbl->active == sgid_tbl->max) {
 242                 dev_err(&res->pdev->dev, "QPLIB: SGID table is full");
 243                 return -ENOMEM;
 244         }
 245         free_idx = sgid_tbl->max;
 246         for (i = 0; i < sgid_tbl->max; i++) {
 247                 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) {
 248                         dev_dbg(&res->pdev->dev,
 249                                 "QPLIB: SGID entry already exist in entry %d!",
 250                                 i);
 251                         *index = i;
 252                         return -EALREADY;
 253                 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
 254                                    sizeof(bnxt_qplib_gid_zero)) &&
 255                            free_idx == sgid_tbl->max) {
 256                         free_idx = i;
 257                 }
 258         }
 259         if (free_idx == sgid_tbl->max) {
 260                 dev_err(&res->pdev->dev,
 261                         "QPLIB: SGID table is FULL but count is not MAX??");
 262                 return -ENOMEM;
 263         }
 264         if (update) {
 265                 struct cmdq_add_gid req;
 266                 struct creq_add_gid_resp resp;
 267                 u16 cmd_flags = 0;
 268                 u32 temp32[4];
 269                 u16 temp16[3];
 270                 int rc;
 271
 272                 RCFW_CMD_PREP(req, ADD_GID, cmd_flags);
 273
 274                 memcpy(temp32, gid->data, sizeof(struct bnxt_qplib_gid));
 275                 req.gid[0] = cpu_to_be32(temp32[3]);
 276                 req.gid[1] = cpu_to_be32(temp32[2]);
 277                 req.gid[2] = cpu_to_be32(temp32[1]);
 278                 req.gid[3] = cpu_to_be32(temp32[0]);
 279                 if (vlan_id != 0xFFFF)
 280                         req.vlan = cpu_to_le16((vlan_id &
 281                                         CMDQ_ADD_GID_VLAN_VLAN_ID_MASK) |
 282                                         CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
 283                                         CMDQ_ADD_GID_VLAN_VLAN_EN);
 284
 285                 /* MAC in network format */
 286                 memcpy(temp16, smac, 6);
 287                 req.src_mac[0] = cpu_to_be16(temp16[0]);
 288                 req.src_mac[1] = cpu_to_be16(temp16[1]);
 289                 req.src_mac[2] = cpu_to_be16(temp16[2]);
 290
 291                 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 292                                                   (void *)&resp, NULL, 0);
 293                 if (rc)
 294                         return rc;
 295                 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid);
 296         }
 297         /* Add GID to the sgid_tbl */
 298         memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
 299         sgid_tbl->active++;
 300         dev_dbg(&res->pdev->dev,
 301                 "QPLIB: SGID added hw_id[0x%x] = 0x%x active = 0x%x",
 302                  free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active);
 303
 304         *index = free_idx;
 305         /* unlock */
 306         return 0;
 307 }
 308
 309 /* pkeys */
 310 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 311                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
 312                         u16 *pkey)
 313 {
 314         if (index == 0xFFFF) {
 315                 *pkey = 0xFFFF;
 316                 return 0;
 317         }
 318         if (index > pkey_tbl->max) {
 319                 dev_err(&res->pdev->dev,
 320                         "QPLIB: Index %d exceeded PKEY table max (%d)",
 321                         index, pkey_tbl->max);
 322                 return -EINVAL;
 323         }
 324         memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey));
 325         return 0;
 326 }
 327
 328 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
 329                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 330                         bool update)
 331 {
 332         int i, rc = 0;
 333
 334         if (!pkey_tbl) {
 335                 dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated");
 336                 return -EINVAL;
 337         }
 338
 339         /* Do we need a pkey_lock here? */
 340         if (!pkey_tbl->active) {
 341                 dev_err(&res->pdev->dev,
 342                         "QPLIB: PKEY table has no active entries");
 343                 return -ENOMEM;
 344         }
 345         for (i = 0; i < pkey_tbl->max; i++) {
 346                 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
 347                         break;
 348         }
 349         if (i == pkey_tbl->max) {
 350                 dev_err(&res->pdev->dev,
 351                         "QPLIB: PKEY 0x%04x not found in the pkey table",
 352                         *pkey);
 353                 return -ENOMEM;
 354         }
 355         memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey));
 356         pkey_tbl->active--;
 357
 358         /* unlock */
 359         return rc;
 360 }
 361
 362 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 363                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 364                         bool update)
 365 {
 366         int i, free_idx, rc = 0;
 367
 368         if (!pkey_tbl) {
 369                 dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated");
 370                 return -EINVAL;
 371         }
 372
 373         /* Do we need a pkey_lock here? */
 374         if (pkey_tbl->active == pkey_tbl->max) {
 375                 dev_err(&res->pdev->dev, "QPLIB: PKEY table is full");
 376                 return -ENOMEM;
 377         }
 378         free_idx = pkey_tbl->max;
 379         for (i = 0; i < pkey_tbl->max; i++) {
 380                 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
 381                         return -EALREADY;
 382                 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max)
 383                         free_idx = i;
 384         }
 385         if (free_idx == pkey_tbl->max) {
 386                 dev_err(&res->pdev->dev,
 387                         "QPLIB: PKEY table is FULL but count is not MAX??");
 388                 return -ENOMEM;
 389         }
 390         /* Add PKEY to the pkey_tbl */
 391         memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey));
 392         pkey_tbl->active++;
 393
 394         /* unlock */
 395         return rc;
 396 }
 397
 398 /* AH */
 399 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
 400 {
 401         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 402         struct cmdq_create_ah req;
 403         struct creq_create_ah_resp resp;
 404         u16 cmd_flags = 0;
 405         u32 temp32[4];
 406         u16 temp16[3];
 407         int rc;
 408
 409         RCFW_CMD_PREP(req, CREATE_AH, cmd_flags);
 410
 411         memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid));
 412         req.dgid[0] = cpu_to_le32(temp32[0]);
 413         req.dgid[1] = cpu_to_le32(temp32[1]);
 414         req.dgid[2] = cpu_to_le32(temp32[2]);
 415         req.dgid[3] = cpu_to_le32(temp32[3]);
 416
 417         req.type = ah->nw_type;
 418         req.hop_limit = ah->hop_limit;
 419         req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]);
 420         req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label &
 421                                         CMDQ_CREATE_AH_FLOW_LABEL_MASK) |
 422                                         CMDQ_CREATE_AH_DEST_VLAN_ID_MASK);
 423         req.pd_id = cpu_to_le32(ah->pd->id);
 424         req.traffic_class = ah->traffic_class;
 425
 426         /* MAC in network format */
 427         memcpy(temp16, ah->dmac, 6);
 428         req.dest_mac[0] = cpu_to_le16(temp16[0]);
 429         req.dest_mac[1] = cpu_to_le16(temp16[1]);
 430         req.dest_mac[2] = cpu_to_le16(temp16[2]);
 431
 432         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
 433                                           NULL, 1);
 434         if (rc)
 435                 return rc;
 436
 437         ah->id = le32_to_cpu(resp.xid);
 438         return 0;
 439 }
 440
 441 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
 442 {
 443         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 444         struct cmdq_destroy_ah req;
 445         struct creq_destroy_ah_resp resp;
 446         u16 cmd_flags = 0;
 447         int rc;
 448
 449         /* Clean up the AH table in the device */
 450         RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags);
 451
 452         req.ah_cid = cpu_to_le32(ah->id);
 453
 454         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
 455                                           NULL, 1);
 456         if (rc)
 457                 return rc;
 458         return 0;
 459 }
 460
 461 /* MRW */
 462 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
 463 {
 464         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 465         struct cmdq_deallocate_key req;
 466         struct creq_deallocate_key_resp resp;
 467         u16 cmd_flags = 0;
 468         int rc;
 469
 470         if (mrw->lkey == 0xFFFFFFFF) {
 471                 dev_info(&res->pdev->dev,
 472                          "QPLIB: SP: Free a reserved lkey MRW");
 473                 return 0;
 474         }
 475
 476         RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags);
 477
 478         req.mrw_flags = mrw->type;
 479
 480         if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1)  ||
 481             (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
 482             (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
 483                 req.key = cpu_to_le32(mrw->rkey);
 484         else
 485                 req.key = cpu_to_le32(mrw->lkey);
 486
 487         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
 488                                           NULL, 0);
 489         if (rc)
 490                 return rc;
 491
 492         /* Free the qplib's MRW memory */
 493         if (mrw->hwq.max_elements)
 494                 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
 495
 496         return 0;
 497 }
 498
 499 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
 500 {
 501         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 502         struct cmdq_allocate_mrw req;
 503         struct creq_allocate_mrw_resp resp;
 504         u16 cmd_flags = 0;
 505         unsigned long tmp;
 506         int rc;
 507
 508         RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags);
 509
 510         req.pd_id = cpu_to_le32(mrw->pd->id);
 511         req.mrw_flags = mrw->type;
 512         if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR &&
 513              mrw->flags & BNXT_QPLIB_FR_PMR) ||
 514             mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A ||
 515             mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)
 516                 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY;
 517         tmp = (unsigned long)mrw;
 518         req.mrw_handle = cpu_to_le64(tmp);
 519
 520         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 521                                           (void *)&resp, NULL, 0);
 522         if (rc)
 523                 return rc;
 524
 525         if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1)  ||
 526             (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
 527             (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
 528                 mrw->rkey = le32_to_cpu(resp.xid);
 529         else
 530                 mrw->lkey = le32_to_cpu(resp.xid);
 531         return 0;
 532 }
 533
 534 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 535                          bool block)
 536 {
 537         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 538         struct cmdq_deregister_mr req;
 539         struct creq_deregister_mr_resp resp;
 540         u16 cmd_flags = 0;
 541         int rc;
 542
 543         RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags);
 544
 545         req.lkey = cpu_to_le32(mrw->lkey);
 546         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 547                                           (void *)&resp, NULL, block);
 548         if (rc)
 549                 return rc;
 550
 551         /* Free the qplib's MR memory */
 552         if (mrw->hwq.max_elements) {
 553                 mrw->va = 0;
 554                 mrw->total_size = 0;
 555                 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
 556         }
 557
 558         return 0;
 559 }
 560
 561 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
 562                       u64 *pbl_tbl, int num_pbls, bool block)
 563 {
 564         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 565         struct cmdq_register_mr req;
 566         struct creq_register_mr_resp resp;
 567         u16 cmd_flags = 0, level;
 568         int pg_ptrs, pages, i, rc;
 569         dma_addr_t **pbl_ptr;
 570         u32 pg_size;
 571
 572         if (num_pbls) {
 573                 pg_ptrs = roundup_pow_of_two(num_pbls);
 574                 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
 575                 if (!pages)
 576                         pages++;
 577
 578                 if (pages > MAX_PBL_LVL_1_PGS) {
 579                         dev_err(&res->pdev->dev, "QPLIB: SP: Reg MR pages ");
 580                         dev_err(&res->pdev->dev,
 581                                 "requested (0x%x) exceeded max (0x%x)",
 582                                 pages, MAX_PBL_LVL_1_PGS);
 583                         return -ENOMEM;
 584                 }
 585                 /* Free the hwq if it already exist, must be a rereg */
 586                 if (mr->hwq.max_elements)
 587                         bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
 588
 589                 mr->hwq.max_elements = pages;
 590                 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0,
 591                                                &mr->hwq.max_elements,
 592                                                PAGE_SIZE, 0, PAGE_SIZE,
 593                                                HWQ_TYPE_CTX);
 594                 if (rc) {
 595                         dev_err(&res->pdev->dev,
 596                                 "SP: Reg MR memory allocation failed");
 597                         return -ENOMEM;
 598                 }
 599                 /* Write to the hwq */
 600                 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr;
 601                 for (i = 0; i < num_pbls; i++)
 602                         pbl_ptr[PTR_PG(i)][PTR_IDX(i)] =
 603                                 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID;
 604         }
 605
 606         RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags);
 607
 608         /* Configure the request */
 609         if (mr->hwq.level == PBL_LVL_MAX) {
 610                 level = 0;
 611                 req.pbl = 0;
 612                 pg_size = PAGE_SIZE;
 613         } else {
 614                 level = mr->hwq.level + 1;
 615                 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
 616                 pg_size = mr->hwq.pbl[PBL_LVL_0].pg_size;
 617         }
 618         req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
 619                                ((ilog2(pg_size) <<
 620                                  CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
 621                                 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
 622         req.access = (mr->flags & 0xFFFF);
 623         req.va = cpu_to_le64(mr->va);
 624         req.key = cpu_to_le32(mr->lkey);
 625         req.mr_size = cpu_to_le64(mr->total_size);
 626
 627         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 628                                           (void *)&resp, NULL, block);
 629         if (rc)
 630                 goto fail;
 631
 632         return 0;
 633
 634 fail:
 635         if (mr->hwq.max_elements)
 636                 bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
 637         return rc;
 638 }
 639
 640 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 641                                         struct bnxt_qplib_frpl *frpl,
 642                                         int max_pg_ptrs)
 643 {
 644         int pg_ptrs, pages, rc;
 645
 646         /* Re-calculate the max to fit the HWQ allocation model */
 647         pg_ptrs = roundup_pow_of_two(max_pg_ptrs);
 648         pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
 649         if (!pages)
 650                 pages++;
 651
 652         if (pages > MAX_PBL_LVL_1_PGS)
 653                 return -ENOMEM;
 654
 655         frpl->hwq.max_elements = pages;
 656         rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 0,
 657                                        &frpl->hwq.max_elements, PAGE_SIZE, 0,
 658                                        PAGE_SIZE, HWQ_TYPE_CTX);
 659         if (!rc)
 660                 frpl->max_pg_ptrs = pg_ptrs;
 661
 662         return rc;
 663 }
 664
 665 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 666                                        struct bnxt_qplib_frpl *frpl)
 667 {
 668         bnxt_qplib_free_hwq(res->pdev, &frpl->hwq);
 669         return 0;
 670 }
 671
 672 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
 673 {
 674         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 675         struct cmdq_map_tc_to_cos req;
 676         struct creq_map_tc_to_cos_resp resp;
 677         u16 cmd_flags = 0;
 678         int rc = 0;
 679
 680         RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags);
 681         req.cos0 = cpu_to_le16(cids[0]);
 682         req.cos1 = cpu_to_le16(cids[1]);
 683
 684         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 685                                           (void *)&resp, NULL, 0);
 686         return 0;
 687 }