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 void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw,
  56                                      char *fw_ver)
  57 {
  58         struct cmdq_query_version req;
  59         struct creq_query_version_resp resp;
  60         u16 cmd_flags = 0;
  61         int rc = 0;
  62
  63         RCFW_CMD_PREP(req, QUERY_VERSION, cmd_flags);
  64
  65         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
  66                                           (void *)&resp, NULL, 0);
  67         if (rc)
  68                 return;
  69         fw_ver[0] = resp.fw_maj;
  70         fw_ver[1] = resp.fw_minor;
  71         fw_ver[2] = resp.fw_bld;
  72         fw_ver[3] = resp.fw_rsvd;
  73 }
  74
  75 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
  76                             struct bnxt_qplib_dev_attr *attr, bool vf)
  77 {
  78         struct cmdq_query_func req;
  79         struct creq_query_func_resp resp;
  80         struct bnxt_qplib_rcfw_sbuf *sbuf;
  81         struct creq_query_func_resp_sb *sb;
  82         u16 cmd_flags = 0;
  83         u32 temp;
  84         u8 *tqm_alloc;
  85         int i, rc = 0;
  86
  87         RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags);
  88
  89         sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
  90         if (!sbuf) {
  91                 dev_err(&rcfw->pdev->dev,
  92                         "QPLIB: SP: QUERY_FUNC alloc side buffer failed");
  93                 return -ENOMEM;
  94         }
  95
  96         sb = sbuf->sb;
  97         req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
  98         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
  99                                           (void *)sbuf, 0);
 100         if (rc)
 101                 goto bail;
 102
 103         /* Extract the context from the side buffer */
 104         attr->max_qp = le32_to_cpu(sb->max_qp);
 105         /* max_qp value reported by FW for PF doesn't include the QP1 for PF */
 106         if (!vf)
 107                 attr->max_qp += 1;
 108         attr->max_qp_rd_atom =
 109                 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
 110                 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom;
 111         attr->max_qp_init_rd_atom =
 112                 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
 113                 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom;
 114         attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr);
 115         /*
 116          * 128 WQEs needs to be reserved for the HW (8916). Prevent
 117          * reporting the max number
 118          */
 119         attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS;
 120         attr->max_qp_sges = sb->max_sge;
 121         attr->max_cq = le32_to_cpu(sb->max_cq);
 122         attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
 123         attr->max_cq_sges = attr->max_qp_sges;
 124         attr->max_mr = le32_to_cpu(sb->max_mr);
 125         attr->max_mw = le32_to_cpu(sb->max_mw);
 126
 127         attr->max_mr_size = le64_to_cpu(sb->max_mr_size);
 128         attr->max_pd = 64 * 1024;
 129         attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp);
 130         attr->max_ah = le32_to_cpu(sb->max_ah);
 131
 132         attr->max_fmr = le32_to_cpu(sb->max_fmr);
 133         attr->max_map_per_fmr = sb->max_map_per_fmr;
 134
 135         attr->max_srq = le16_to_cpu(sb->max_srq);
 136         attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1;
 137         attr->max_srq_sges = sb->max_srq_sge;
 138         /* Bono only reports 1 PKEY for now, but it can support > 1 */
 139         attr->max_pkey = le32_to_cpu(sb->max_pkeys);
 140
 141         attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
 142         attr->l2_db_size = (sb->l2_db_space_size + 1) *
 143                             (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
 144         attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED;
 145
 146         bnxt_qplib_query_version(rcfw, attr->fw_ver);
 147
 148         for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) {
 149                 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]);
 150                 tqm_alloc = (u8 *)&temp;
 151                 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc;
 152                 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc);
 153                 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc);
 154                 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
 155         }
 156
 157         attr->is_atomic = false;
 158 bail:
 159         bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
 160         return rc;
 161 }
 162
 163 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
 164                                   struct bnxt_qplib_rcfw *rcfw,
 165                                   struct bnxt_qplib_ctx *ctx)
 166 {
 167         struct cmdq_set_func_resources req;
 168         struct creq_set_func_resources_resp resp;
 169         u16 cmd_flags = 0;
 170         int rc = 0;
 171
 172         RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags);
 173
 174         req.number_of_qp = cpu_to_le32(ctx->qpc_count);
 175         req.number_of_mrw = cpu_to_le32(ctx->mrw_count);
 176         req.number_of_srq =  cpu_to_le32(ctx->srqc_count);
 177         req.number_of_cq = cpu_to_le32(ctx->cq_count);
 178
 179         req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf);
 180         req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf);
 181         req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf);
 182         req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf);
 183         req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf);
 184
 185         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 186                                           (void *)&resp,
 187                                           NULL, 0);
 188         if (rc) {
 189                 dev_err(&res->pdev->dev,
 190                         "QPLIB: Failed to set function resources");
 191         }
 192         return rc;
 193 }
 194
 195 /* SGID */
 196 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 197                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 198                         struct bnxt_qplib_gid *gid)
 199 {
 200         if (index >= sgid_tbl->max) {
 201                 dev_err(&res->pdev->dev,
 202                         "QPLIB: Index %d exceeded SGID table max (%d)",
 203                         index, sgid_tbl->max);
 204                 return -EINVAL;
 205         }
 206         memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid));
 207         return 0;
 208 }
 209
 210 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 211                         struct bnxt_qplib_gid *gid, bool update)
 212 {
 213         struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
 214                                                    struct bnxt_qplib_res,
 215                                                    sgid_tbl);
 216         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 217         int index;
 218
 219         if (!sgid_tbl) {
 220                 dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated");
 221                 return -EINVAL;
 222         }
 223         /* Do we need a sgid_lock here? */
 224         if (!sgid_tbl->active) {
 225                 dev_err(&res->pdev->dev,
 226                         "QPLIB: SGID table has no active entries");
 227                 return -ENOMEM;
 228         }
 229         for (index = 0; index < sgid_tbl->max; index++) {
 230                 if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid)))
 231                         break;
 232         }
 233         if (index == sgid_tbl->max) {
 234                 dev_warn(&res->pdev->dev, "GID not found in the SGID table");
 235                 return 0;
 236         }
 237         /* Remove GID from the SGID table */
 238         if (update) {
 239                 struct cmdq_delete_gid req;
 240                 struct creq_delete_gid_resp resp;
 241                 u16 cmd_flags = 0;
 242                 int rc;
 243
 244                 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags);
 245                 if (sgid_tbl->hw_id[index] == 0xFFFF) {
 246                         dev_err(&res->pdev->dev,
 247                                 "QPLIB: GID entry contains an invalid HW id");
 248                         return -EINVAL;
 249                 }
 250                 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]);
 251                 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 252                                                   (void *)&resp, NULL, 0);
 253                 if (rc)
 254                         return rc;
 255         }
 256         memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero,
 257                sizeof(bnxt_qplib_gid_zero));
 258         sgid_tbl->vlan[index] = 0;
 259         sgid_tbl->active--;
 260         dev_dbg(&res->pdev->dev,
 261                 "QPLIB: SGID deleted hw_id[0x%x] = 0x%x active = 0x%x",
 262                  index, sgid_tbl->hw_id[index], sgid_tbl->active);
 263         sgid_tbl->hw_id[index] = (u16)-1;
 264
 265         /* unlock */
 266         return 0;
 267 }
 268
 269 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 270                         struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id,
 271                         bool update, u32 *index)
 272 {
 273         struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
 274                                                    struct bnxt_qplib_res,
 275                                                    sgid_tbl);
 276         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 277         int i, free_idx;
 278
 279         if (!sgid_tbl) {
 280                 dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated");
 281                 return -EINVAL;
 282         }
 283         /* Do we need a sgid_lock here? */
 284         if (sgid_tbl->active == sgid_tbl->max) {
 285                 dev_err(&res->pdev->dev, "QPLIB: SGID table is full");
 286                 return -ENOMEM;
 287         }
 288         free_idx = sgid_tbl->max;
 289         for (i = 0; i < sgid_tbl->max; i++) {
 290                 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) {
 291                         dev_dbg(&res->pdev->dev,
 292                                 "QPLIB: SGID entry already exist in entry %d!",
 293                                 i);
 294                         *index = i;
 295                         return -EALREADY;
 296                 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
 297                                    sizeof(bnxt_qplib_gid_zero)) &&
 298                            free_idx == sgid_tbl->max) {
 299                         free_idx = i;
 300                 }
 301         }
 302         if (free_idx == sgid_tbl->max) {
 303                 dev_err(&res->pdev->dev,
 304                         "QPLIB: SGID table is FULL but count is not MAX??");
 305                 return -ENOMEM;
 306         }
 307         if (update) {
 308                 struct cmdq_add_gid req;
 309                 struct creq_add_gid_resp resp;
 310                 u16 cmd_flags = 0;
 311                 int rc;
 312
 313                 RCFW_CMD_PREP(req, ADD_GID, cmd_flags);
 314
 315                 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
 316                 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
 317                 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
 318                 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
 319                 /*
 320                  * driver should ensure that all RoCE traffic is always VLAN
 321                  * tagged if RoCE traffic is running on non-zero VLAN ID or
 322                  * RoCE traffic is running on non-zero Priority.
 323                  */
 324                 if ((vlan_id != 0xFFFF) || res->prio) {
 325                         if (vlan_id != 0xFFFF)
 326                                 req.vlan = cpu_to_le16
 327                                 (vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK);
 328                         req.vlan |= cpu_to_le16
 329                                         (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
 330                                          CMDQ_ADD_GID_VLAN_VLAN_EN);
 331                 }
 332
 333                 /* MAC in network format */
 334                 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
 335                 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
 336                 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
 337
 338                 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 339                                                   (void *)&resp, NULL, 0);
 340                 if (rc)
 341                         return rc;
 342                 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid);
 343         }
 344         /* Add GID to the sgid_tbl */
 345         memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
 346         sgid_tbl->active++;
 347         if (vlan_id != 0xFFFF)
 348                 sgid_tbl->vlan[free_idx] = 1;
 349
 350         dev_dbg(&res->pdev->dev,
 351                 "QPLIB: SGID added hw_id[0x%x] = 0x%x active = 0x%x",
 352                  free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active);
 353
 354         *index = free_idx;
 355         /* unlock */
 356         return 0;
 357 }
 358
 359 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 360                            struct bnxt_qplib_gid *gid, u16 gid_idx,
 361                            u8 *smac)
 362 {
 363         struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
 364                                                    struct bnxt_qplib_res,
 365                                                    sgid_tbl);
 366         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 367         struct creq_modify_gid_resp resp;
 368         struct cmdq_modify_gid req;
 369         int rc;
 370         u16 cmd_flags = 0;
 371
 372         RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags);
 373
 374         req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
 375         req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
 376         req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
 377         req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
 378         if (res->prio) {
 379                 req.vlan |= cpu_to_le16
 380                         (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
 381                          CMDQ_ADD_GID_VLAN_VLAN_EN);
 382         }
 383
 384         /* MAC in network format */
 385         req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
 386         req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
 387         req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
 388
 389         req.gid_index = cpu_to_le16(gid_idx);
 390
 391         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 392                                           (void *)&resp, NULL, 0);
 393         return rc;
 394 }
 395
 396 /* pkeys */
 397 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 398                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
 399                         u16 *pkey)
 400 {
 401         if (index == 0xFFFF) {
 402                 *pkey = 0xFFFF;
 403                 return 0;
 404         }
 405         if (index >= pkey_tbl->max) {
 406                 dev_err(&res->pdev->dev,
 407                         "QPLIB: Index %d exceeded PKEY table max (%d)",
 408                         index, pkey_tbl->max);
 409                 return -EINVAL;
 410         }
 411         memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey));
 412         return 0;
 413 }
 414
 415 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
 416                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 417                         bool update)
 418 {
 419         int i, rc = 0;
 420
 421         if (!pkey_tbl) {
 422                 dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated");
 423                 return -EINVAL;
 424         }
 425
 426         /* Do we need a pkey_lock here? */
 427         if (!pkey_tbl->active) {
 428                 dev_err(&res->pdev->dev,
 429                         "QPLIB: PKEY table has no active entries");
 430                 return -ENOMEM;
 431         }
 432         for (i = 0; i < pkey_tbl->max; i++) {
 433                 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
 434                         break;
 435         }
 436         if (i == pkey_tbl->max) {
 437                 dev_err(&res->pdev->dev,
 438                         "QPLIB: PKEY 0x%04x not found in the pkey table",
 439                         *pkey);
 440                 return -ENOMEM;
 441         }
 442         memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey));
 443         pkey_tbl->active--;
 444
 445         /* unlock */
 446         return rc;
 447 }
 448
 449 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
 450                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
 451                         bool update)
 452 {
 453         int i, free_idx, rc = 0;
 454
 455         if (!pkey_tbl) {
 456                 dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated");
 457                 return -EINVAL;
 458         }
 459
 460         /* Do we need a pkey_lock here? */
 461         if (pkey_tbl->active == pkey_tbl->max) {
 462                 dev_err(&res->pdev->dev, "QPLIB: PKEY table is full");
 463                 return -ENOMEM;
 464         }
 465         free_idx = pkey_tbl->max;
 466         for (i = 0; i < pkey_tbl->max; i++) {
 467                 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
 468                         return -EALREADY;
 469                 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max)
 470                         free_idx = i;
 471         }
 472         if (free_idx == pkey_tbl->max) {
 473                 dev_err(&res->pdev->dev,
 474                         "QPLIB: PKEY table is FULL but count is not MAX??");
 475                 return -ENOMEM;
 476         }
 477         /* Add PKEY to the pkey_tbl */
 478         memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey));
 479         pkey_tbl->active++;
 480
 481         /* unlock */
 482         return rc;
 483 }
 484
 485 /* AH */
 486 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
 487 {
 488         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 489         struct cmdq_create_ah req;
 490         struct creq_create_ah_resp resp;
 491         u16 cmd_flags = 0;
 492         u32 temp32[4];
 493         u16 temp16[3];
 494         int rc;
 495
 496         RCFW_CMD_PREP(req, CREATE_AH, cmd_flags);
 497
 498         memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid));
 499         req.dgid[0] = cpu_to_le32(temp32[0]);
 500         req.dgid[1] = cpu_to_le32(temp32[1]);
 501         req.dgid[2] = cpu_to_le32(temp32[2]);
 502         req.dgid[3] = cpu_to_le32(temp32[3]);
 503
 504         req.type = ah->nw_type;
 505         req.hop_limit = ah->hop_limit;
 506         req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]);
 507         req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label &
 508                                         CMDQ_CREATE_AH_FLOW_LABEL_MASK) |
 509                                         CMDQ_CREATE_AH_DEST_VLAN_ID_MASK);
 510         req.pd_id = cpu_to_le32(ah->pd->id);
 511         req.traffic_class = ah->traffic_class;
 512
 513         /* MAC in network format */
 514         memcpy(temp16, ah->dmac, 6);
 515         req.dest_mac[0] = cpu_to_le16(temp16[0]);
 516         req.dest_mac[1] = cpu_to_le16(temp16[1]);
 517         req.dest_mac[2] = cpu_to_le16(temp16[2]);
 518
 519         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
 520                                           NULL, 1);
 521         if (rc)
 522                 return rc;
 523
 524         ah->id = le32_to_cpu(resp.xid);
 525         return 0;
 526 }
 527
 528 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
 529 {
 530         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 531         struct cmdq_destroy_ah req;
 532         struct creq_destroy_ah_resp resp;
 533         u16 cmd_flags = 0;
 534         int rc;
 535
 536         /* Clean up the AH table in the device */
 537         RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags);
 538
 539         req.ah_cid = cpu_to_le32(ah->id);
 540
 541         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
 542                                           NULL, 1);
 543         if (rc)
 544                 return rc;
 545         return 0;
 546 }
 547
 548 /* MRW */
 549 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
 550 {
 551         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 552         struct cmdq_deallocate_key req;
 553         struct creq_deallocate_key_resp resp;
 554         u16 cmd_flags = 0;
 555         int rc;
 556
 557         if (mrw->lkey == 0xFFFFFFFF) {
 558                 dev_info(&res->pdev->dev,
 559                          "QPLIB: SP: Free a reserved lkey MRW");
 560                 return 0;
 561         }
 562
 563         RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags);
 564
 565         req.mrw_flags = mrw->type;
 566
 567         if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1)  ||
 568             (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
 569             (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
 570                 req.key = cpu_to_le32(mrw->rkey);
 571         else
 572                 req.key = cpu_to_le32(mrw->lkey);
 573
 574         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
 575                                           NULL, 0);
 576         if (rc)
 577                 return rc;
 578
 579         /* Free the qplib's MRW memory */
 580         if (mrw->hwq.max_elements)
 581                 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
 582
 583         return 0;
 584 }
 585
 586 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
 587 {
 588         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 589         struct cmdq_allocate_mrw req;
 590         struct creq_allocate_mrw_resp resp;
 591         u16 cmd_flags = 0;
 592         unsigned long tmp;
 593         int rc;
 594
 595         RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags);
 596
 597         req.pd_id = cpu_to_le32(mrw->pd->id);
 598         req.mrw_flags = mrw->type;
 599         if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR &&
 600              mrw->flags & BNXT_QPLIB_FR_PMR) ||
 601             mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A ||
 602             mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)
 603                 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY;
 604         tmp = (unsigned long)mrw;
 605         req.mrw_handle = cpu_to_le64(tmp);
 606
 607         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 608                                           (void *)&resp, NULL, 0);
 609         if (rc)
 610                 return rc;
 611
 612         if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1)  ||
 613             (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
 614             (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
 615                 mrw->rkey = le32_to_cpu(resp.xid);
 616         else
 617                 mrw->lkey = le32_to_cpu(resp.xid);
 618         return 0;
 619 }
 620
 621 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
 622                          bool block)
 623 {
 624         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 625         struct cmdq_deregister_mr req;
 626         struct creq_deregister_mr_resp resp;
 627         u16 cmd_flags = 0;
 628         int rc;
 629
 630         RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags);
 631
 632         req.lkey = cpu_to_le32(mrw->lkey);
 633         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 634                                           (void *)&resp, NULL, block);
 635         if (rc)
 636                 return rc;
 637
 638         /* Free the qplib's MR memory */
 639         if (mrw->hwq.max_elements) {
 640                 mrw->va = 0;
 641                 mrw->total_size = 0;
 642                 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
 643         }
 644
 645         return 0;
 646 }
 647
 648 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
 649                       u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size)
 650 {
 651         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 652         struct cmdq_register_mr req;
 653         struct creq_register_mr_resp resp;
 654         u16 cmd_flags = 0, level;
 655         int pg_ptrs, pages, i, rc;
 656         dma_addr_t **pbl_ptr;
 657         u32 pg_size;
 658
 659         if (num_pbls) {
 660                 /* Allocate memory for the non-leaf pages to store buf ptrs.
 661                  * Non-leaf pages always uses system PAGE_SIZE
 662                  */
 663                 pg_ptrs = roundup_pow_of_two(num_pbls);
 664                 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
 665                 if (!pages)
 666                         pages++;
 667
 668                 if (pages > MAX_PBL_LVL_1_PGS) {
 669                         dev_err(&res->pdev->dev, "QPLIB: SP: Reg MR pages ");
 670                         dev_err(&res->pdev->dev,
 671                                 "requested (0x%x) exceeded max (0x%x)",
 672                                 pages, MAX_PBL_LVL_1_PGS);
 673                         return -ENOMEM;
 674                 }
 675                 /* Free the hwq if it already exist, must be a rereg */
 676                 if (mr->hwq.max_elements)
 677                         bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
 678
 679                 mr->hwq.max_elements = pages;
 680                 /* Use system PAGE_SIZE */
 681                 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0,
 682                                                &mr->hwq.max_elements,
 683                                                PAGE_SIZE, 0, PAGE_SIZE,
 684                                                HWQ_TYPE_CTX);
 685                 if (rc) {
 686                         dev_err(&res->pdev->dev,
 687                                 "SP: Reg MR memory allocation failed");
 688                         return -ENOMEM;
 689                 }
 690                 /* Write to the hwq */
 691                 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr;
 692                 for (i = 0; i < num_pbls; i++)
 693                         pbl_ptr[PTR_PG(i)][PTR_IDX(i)] =
 694                                 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID;
 695         }
 696
 697         RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags);
 698
 699         /* Configure the request */
 700         if (mr->hwq.level == PBL_LVL_MAX) {
 701                 /* No PBL provided, just use system PAGE_SIZE */
 702                 level = 0;
 703                 req.pbl = 0;
 704                 pg_size = PAGE_SIZE;
 705         } else {
 706                 level = mr->hwq.level + 1;
 707                 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
 708         }
 709         pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE;
 710         req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
 711                                ((ilog2(pg_size) <<
 712                                  CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
 713                                 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
 714         req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) <<
 715                                  CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) &
 716                                 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK));
 717         req.access = (mr->flags & 0xFFFF);
 718         req.va = cpu_to_le64(mr->va);
 719         req.key = cpu_to_le32(mr->lkey);
 720         req.mr_size = cpu_to_le64(mr->total_size);
 721
 722         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
 723                                           (void *)&resp, NULL, block);
 724         if (rc)
 725                 goto fail;
 726
 727         return 0;
 728
 729 fail:
 730         if (mr->hwq.max_elements)
 731                 bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
 732         return rc;
 733 }
 734
 735 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 736                                         struct bnxt_qplib_frpl *frpl,
 737                                         int max_pg_ptrs)
 738 {
 739         int pg_ptrs, pages, rc;
 740
 741         /* Re-calculate the max to fit the HWQ allocation model */
 742         pg_ptrs = roundup_pow_of_two(max_pg_ptrs);
 743         pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
 744         if (!pages)
 745                 pages++;
 746
 747         if (pages > MAX_PBL_LVL_1_PGS)
 748                 return -ENOMEM;
 749
 750         frpl->hwq.max_elements = pages;
 751         rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 0,
 752                                        &frpl->hwq.max_elements, PAGE_SIZE, 0,
 753                                        PAGE_SIZE, HWQ_TYPE_CTX);
 754         if (!rc)
 755                 frpl->max_pg_ptrs = pg_ptrs;
 756
 757         return rc;
 758 }
 759
 760 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 761                                        struct bnxt_qplib_frpl *frpl)
 762 {
 763         bnxt_qplib_free_hwq(res->pdev, &frpl->hwq);
 764         return 0;
 765 }
 766
 767 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
 768 {
 769         struct bnxt_qplib_rcfw *rcfw = res->rcfw;
 770         struct cmdq_map_tc_to_cos req;
 771         struct creq_map_tc_to_cos_resp resp;
 772         u16 cmd_flags = 0;
 773
 774         RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags);
 775         req.cos0 = cpu_to_le16(cids[0]);
 776         req.cos1 = cpu_to_le16(cids[1]);
 777
 778         return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
 779                                                 NULL, 0);
 780 }
 781
 782 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
 783                               struct bnxt_qplib_roce_stats *stats)
 784 {
 785         struct cmdq_query_roce_stats req;
 786         struct creq_query_roce_stats_resp resp;
 787         struct bnxt_qplib_rcfw_sbuf *sbuf;
 788         struct creq_query_roce_stats_resp_sb *sb;
 789         u16 cmd_flags = 0;
 790         int rc = 0;
 791
 792         RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags);
 793
 794         sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
 795         if (!sbuf) {
 796                 dev_err(&rcfw->pdev->dev,
 797                         "QPLIB: SP: QUERY_ROCE_STATS alloc side buffer failed");
 798                 return -ENOMEM;
 799         }
 800
 801         sb = sbuf->sb;
 802         req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
 803         rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
 804                                           (void *)sbuf, 0);
 805         if (rc)
 806                 goto bail;
 807         /* Extract the context from the side buffer */
 808         stats->to_retransmits = le64_to_cpu(sb->to_retransmits);
 809         stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd);
 810         stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded);
 811         stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd);
 812         stats->missing_resp = le64_to_cpu(sb->missing_resp);
 813         stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err);
 814         stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err);
 815         stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err);
 816         stats->local_protection_err = le64_to_cpu(sb->local_protection_err);
 817         stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err);
 818         stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err);
 819         stats->remote_access_err = le64_to_cpu(sb->remote_access_err);
 820         stats->remote_op_err = le64_to_cpu(sb->remote_op_err);
 821         stats->dup_req = le64_to_cpu(sb->dup_req);
 822         stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max);
 823         stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch);
 824         stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe);
 825         stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err);
 826         stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey);
 827         stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err);
 828         stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm);
 829         stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err);
 830         stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey);
 831         stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err);
 832         stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm);
 833         stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err);
 834         stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow);
 835         stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode);
 836         stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic);
 837         stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err);
 838         stats->res_mem_error = le64_to_cpu(sb->res_mem_error);
 839         stats->res_srq_err = le64_to_cpu(sb->res_srq_err);
 840         stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err);
 841         stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey);
 842         stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err);
 843         stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err);
 844         stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err);
 845         stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err);
 846         stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err);
 847 bail:
 848         bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
 849         return rc;
 850 }