drivers/net/ethernet/mellanox/mlx5/core/qp.c

   1 /*
   2  * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/gfp.h>
  34 #include <linux/export.h>
  35 #include <linux/mlx5/cmd.h>
  36 #include <linux/mlx5/qp.h>
  37 #include <linux/mlx5/driver.h>
  38 #include <linux/mlx5/transobj.h>
  39
  40 #include "mlx5_core.h"
  41
  42 static struct mlx5_core_rsc_common *mlx5_get_rsc(struct mlx5_core_dev *dev,
  43                                                  u32 rsn)
  44 {
  45         struct mlx5_qp_table *table = &dev->priv.qp_table;
  46         struct mlx5_core_rsc_common *common;
  47
  48         spin_lock(&table->lock);
  49
  50         common = radix_tree_lookup(&table->tree, rsn);
  51         if (common)
  52                 atomic_inc(&common->refcount);
  53
  54         spin_unlock(&table->lock);
  55
  56         if (!common) {
  57                 mlx5_core_warn(dev, "Async event for bogus resource 0x%x\n",
  58                                rsn);
  59                 return NULL;
  60         }
  61         return common;
  62 }
  63
  64 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common)
  65 {
  66         if (atomic_dec_and_test(&common->refcount))
  67                 complete(&common->free);
  68 }
  69
  70 static u64 qp_allowed_event_types(void)
  71 {
  72         u64 mask;
  73
  74         mask = BIT(MLX5_EVENT_TYPE_PATH_MIG) |
  75                BIT(MLX5_EVENT_TYPE_COMM_EST) |
  76                BIT(MLX5_EVENT_TYPE_SQ_DRAINED) |
  77                BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) |
  78                BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR) |
  79                BIT(MLX5_EVENT_TYPE_PATH_MIG_FAILED) |
  80                BIT(MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR) |
  81                BIT(MLX5_EVENT_TYPE_WQ_ACCESS_ERROR);
  82
  83         return mask;
  84 }
  85
  86 static u64 rq_allowed_event_types(void)
  87 {
  88         u64 mask;
  89
  90         mask = BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) |
  91                BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR);
  92
  93         return mask;
  94 }
  95
  96 static u64 sq_allowed_event_types(void)
  97 {
  98         return BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR);
  99 }
 100
 101 static u64 dct_allowed_event_types(void)
 102 {
 103         return BIT(MLX5_EVENT_TYPE_DCT_DRAINED);
 104 }
 105
 106 static bool is_event_type_allowed(int rsc_type, int event_type)
 107 {
 108         switch (rsc_type) {
 109         case MLX5_EVENT_QUEUE_TYPE_QP:
 110                 return BIT(event_type) & qp_allowed_event_types();
 111         case MLX5_EVENT_QUEUE_TYPE_RQ:
 112                 return BIT(event_type) & rq_allowed_event_types();
 113         case MLX5_EVENT_QUEUE_TYPE_SQ:
 114                 return BIT(event_type) & sq_allowed_event_types();
 115         case MLX5_EVENT_QUEUE_TYPE_DCT:
 116                 return BIT(event_type) & dct_allowed_event_types();
 117         default:
 118                 WARN(1, "Event arrived for unknown resource type");
 119                 return false;
 120         }
 121 }
 122
 123 void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type)
 124 {
 125         struct mlx5_core_rsc_common *common = mlx5_get_rsc(dev, rsn);
 126         struct mlx5_core_dct *dct;
 127         struct mlx5_core_qp *qp;
 128
 129         if (!common)
 130                 return;
 131
 132         if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) {
 133                 mlx5_core_warn(dev, "event 0x%.2x is not allowed on resource 0x%.8x\n",
 134                                event_type, rsn);
 135                 return;
 136         }
 137
 138         switch (common->res) {
 139         case MLX5_RES_QP:
 140         case MLX5_RES_RQ:
 141         case MLX5_RES_SQ:
 142                 qp = (struct mlx5_core_qp *)common;
 143                 qp->event(qp, event_type);
 144                 break;
 145         case MLX5_RES_DCT:
 146                 dct = (struct mlx5_core_dct *)common;
 147                 if (event_type == MLX5_EVENT_TYPE_DCT_DRAINED)
 148                         complete(&dct->drained);
 149                 break;
 150         default:
 151                 mlx5_core_warn(dev, "invalid resource type for 0x%x\n", rsn);
 152         }
 153
 154         mlx5_core_put_rsc(common);
 155 }
 156
 157 static int create_resource_common(struct mlx5_core_dev *dev,
 158                                   struct mlx5_core_qp *qp,
 159                                   int rsc_type)
 160 {
 161         struct mlx5_qp_table *table = &dev->priv.qp_table;
 162         int err;
 163
 164         qp->common.res = rsc_type;
 165         spin_lock_irq(&table->lock);
 166         err = radix_tree_insert(&table->tree,
 167                                 qp->qpn | (rsc_type << MLX5_USER_INDEX_LEN),
 168                                 qp);
 169         spin_unlock_irq(&table->lock);
 170         if (err)
 171                 return err;
 172
 173         atomic_set(&qp->common.refcount, 1);
 174         init_completion(&qp->common.free);
 175         qp->pid = current->pid;
 176
 177         return 0;
 178 }
 179
 180 static void destroy_resource_common(struct mlx5_core_dev *dev,
 181                                     struct mlx5_core_qp *qp)
 182 {
 183         struct mlx5_qp_table *table = &dev->priv.qp_table;
 184         unsigned long flags;
 185
 186         spin_lock_irqsave(&table->lock, flags);
 187         radix_tree_delete(&table->tree,
 188                           qp->qpn | (qp->common.res << MLX5_USER_INDEX_LEN));
 189         spin_unlock_irqrestore(&table->lock, flags);
 190         mlx5_core_put_rsc((struct mlx5_core_rsc_common *)qp);
 191         wait_for_completion(&qp->common.free);
 192 }
 193
 194 int mlx5_core_create_dct(struct mlx5_core_dev *dev,
 195                          struct mlx5_core_dct *dct,
 196                          u32 *in, int inlen)
 197 {
 198         u32 out[MLX5_ST_SZ_DW(create_dct_out)]   = {0};
 199         u32 din[MLX5_ST_SZ_DW(destroy_dct_in)]   = {0};
 200         u32 dout[MLX5_ST_SZ_DW(destroy_dct_out)] = {0};
 201         struct mlx5_core_qp *qp = &dct->mqp;
 202         int err;
 203
 204         init_completion(&dct->drained);
 205         MLX5_SET(create_dct_in, in, opcode, MLX5_CMD_OP_CREATE_DCT);
 206
 207         err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out));
 208         if (err) {
 209                 mlx5_core_warn(dev, "create DCT failed, ret %d\n", err);
 210                 return err;
 211         }
 212
 213         qp->qpn = MLX5_GET(create_dct_out, out, dctn);
 214         err = create_resource_common(dev, qp, MLX5_RES_DCT);
 215         if (err)
 216                 goto err_cmd;
 217
 218         return 0;
 219 err_cmd:
 220         MLX5_SET(destroy_dct_in, din, opcode, MLX5_CMD_OP_DESTROY_DCT);
 221         MLX5_SET(destroy_dct_in, din, dctn, qp->qpn);
 222         mlx5_cmd_exec(dev, (void *)&in, sizeof(din),
 223                       (void *)&out, sizeof(dout));
 224         return err;
 225 }
 226 EXPORT_SYMBOL_GPL(mlx5_core_create_dct);
 227
 228 int mlx5_core_create_qp(struct mlx5_core_dev *dev,
 229                         struct mlx5_core_qp *qp,
 230                         u32 *in, int inlen)
 231 {
 232         u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
 233         u32 dout[MLX5_ST_SZ_DW(destroy_qp_out)];
 234         u32 din[MLX5_ST_SZ_DW(destroy_qp_in)];
 235         int err;
 236
 237         MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
 238
 239         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 240         if (err)
 241                 return err;
 242
 243         qp->qpn = MLX5_GET(create_qp_out, out, qpn);
 244         mlx5_core_dbg(dev, "qpn = 0x%x\n", qp->qpn);
 245
 246         err = create_resource_common(dev, qp, MLX5_RES_QP);
 247         if (err)
 248                 goto err_cmd;
 249
 250         err = mlx5_debug_qp_add(dev, qp);
 251         if (err)
 252                 mlx5_core_dbg(dev, "failed adding QP 0x%x to debug file system\n",
 253                               qp->qpn);
 254
 255         atomic_inc(&dev->num_qps);
 256
 257         return 0;
 258
 259 err_cmd:
 260         memset(din, 0, sizeof(din));
 261         memset(dout, 0, sizeof(dout));
 262         MLX5_SET(destroy_qp_in, din, opcode, MLX5_CMD_OP_DESTROY_QP);
 263         MLX5_SET(destroy_qp_in, din, qpn, qp->qpn);
 264         mlx5_cmd_exec(dev, din, sizeof(din), dout, sizeof(dout));
 265         return err;
 266 }
 267 EXPORT_SYMBOL_GPL(mlx5_core_create_qp);
 268
 269 static int mlx5_core_drain_dct(struct mlx5_core_dev *dev,
 270                                struct mlx5_core_dct *dct)
 271 {
 272         u32 out[MLX5_ST_SZ_DW(drain_dct_out)] = {0};
 273         u32 in[MLX5_ST_SZ_DW(drain_dct_in)]   = {0};
 274         struct mlx5_core_qp *qp = &dct->mqp;
 275
 276         MLX5_SET(drain_dct_in, in, opcode, MLX5_CMD_OP_DRAIN_DCT);
 277         MLX5_SET(drain_dct_in, in, dctn, qp->qpn);
 278         return mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
 279                              (void *)&out, sizeof(out));
 280 }
 281
 282 int mlx5_core_destroy_dct(struct mlx5_core_dev *dev,
 283                           struct mlx5_core_dct *dct)
 284 {
 285         u32 out[MLX5_ST_SZ_DW(destroy_dct_out)] = {0};
 286         u32 in[MLX5_ST_SZ_DW(destroy_dct_in)]   = {0};
 287         struct mlx5_core_qp *qp = &dct->mqp;
 288         int err;
 289
 290         err = mlx5_core_drain_dct(dev, dct);
 291         if (err) {
 292                 if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
 293                         goto destroy;
 294                 } else {
 295                         mlx5_core_warn(dev, "failed drain DCT 0x%x with error 0x%x\n", qp->qpn, err);
 296                         return err;
 297                 }
 298         }
 299         wait_for_completion(&dct->drained);
 300 destroy:
 301         destroy_resource_common(dev, &dct->mqp);
 302         MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT);
 303         MLX5_SET(destroy_dct_in, in, dctn, qp->qpn);
 304         err = mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
 305                             (void *)&out, sizeof(out));
 306         return err;
 307 }
 308 EXPORT_SYMBOL_GPL(mlx5_core_destroy_dct);
 309
 310 int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
 311                          struct mlx5_core_qp *qp)
 312 {
 313         u32 out[MLX5_ST_SZ_DW(destroy_qp_out)] = {0};
 314         u32 in[MLX5_ST_SZ_DW(destroy_qp_in)]   = {0};
 315         int err;
 316
 317         mlx5_debug_qp_remove(dev, qp);
 318
 319         destroy_resource_common(dev, qp);
 320
 321         MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP);
 322         MLX5_SET(destroy_qp_in, in, qpn, qp->qpn);
 323         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 324         if (err)
 325                 return err;
 326
 327         atomic_dec(&dev->num_qps);
 328         return 0;
 329 }
 330 EXPORT_SYMBOL_GPL(mlx5_core_destroy_qp);
 331
 332 int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev,
 333                              u32 timeout_usec)
 334 {
 335         u32 out[MLX5_ST_SZ_DW(set_delay_drop_params_out)] = {0};
 336         u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)]   = {0};
 337
 338         MLX5_SET(set_delay_drop_params_in, in, opcode,
 339                  MLX5_CMD_OP_SET_DELAY_DROP_PARAMS);
 340         MLX5_SET(set_delay_drop_params_in, in, delay_drop_timeout,
 341                  timeout_usec / 100);
 342         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 343 }
 344 EXPORT_SYMBOL_GPL(mlx5_core_set_delay_drop);
 345
 346 struct mbox_info {
 347         u32 *in;
 348         u32 *out;
 349         int inlen;
 350         int outlen;
 351 };
 352
 353 static int mbox_alloc(struct mbox_info *mbox, int inlen, int outlen)
 354 {
 355         mbox->inlen  = inlen;
 356         mbox->outlen = outlen;
 357         mbox->in = kzalloc(mbox->inlen, GFP_KERNEL);
 358         mbox->out = kzalloc(mbox->outlen, GFP_KERNEL);
 359         if (!mbox->in || !mbox->out) {
 360                 kfree(mbox->in);
 361                 kfree(mbox->out);
 362                 return -ENOMEM;
 363         }
 364
 365         return 0;
 366 }
 367
 368 static void mbox_free(struct mbox_info *mbox)
 369 {
 370         kfree(mbox->in);
 371         kfree(mbox->out);
 372 }
 373
 374 static int modify_qp_mbox_alloc(struct mlx5_core_dev *dev, u16 opcode, int qpn,
 375                                 u32 opt_param_mask, void *qpc,
 376                                 struct mbox_info *mbox)
 377 {
 378         mbox->out = NULL;
 379         mbox->in = NULL;
 380
 381 #define MBOX_ALLOC(mbox, typ)  \
 382         mbox_alloc(mbox, MLX5_ST_SZ_BYTES(typ##_in), MLX5_ST_SZ_BYTES(typ##_out))
 383
 384 #define MOD_QP_IN_SET(typ, in, _opcode, _qpn) \
 385         MLX5_SET(typ##_in, in, opcode, _opcode); \
 386         MLX5_SET(typ##_in, in, qpn, _qpn)
 387
 388 #define MOD_QP_IN_SET_QPC(typ, in, _opcode, _qpn, _opt_p, _qpc) \
 389         MOD_QP_IN_SET(typ, in, _opcode, _qpn); \
 390         MLX5_SET(typ##_in, in, opt_param_mask, _opt_p); \
 391         memcpy(MLX5_ADDR_OF(typ##_in, in, qpc), _qpc, MLX5_ST_SZ_BYTES(qpc))
 392
 393         switch (opcode) {
 394         /* 2RST & 2ERR */
 395         case MLX5_CMD_OP_2RST_QP:
 396                 if (MBOX_ALLOC(mbox, qp_2rst))
 397                         return -ENOMEM;
 398                 MOD_QP_IN_SET(qp_2rst, mbox->in, opcode, qpn);
 399                 break;
 400         case MLX5_CMD_OP_2ERR_QP:
 401                 if (MBOX_ALLOC(mbox, qp_2err))
 402                         return -ENOMEM;
 403                 MOD_QP_IN_SET(qp_2err, mbox->in, opcode, qpn);
 404                 break;
 405
 406         /* MODIFY with QPC */
 407         case MLX5_CMD_OP_RST2INIT_QP:
 408                 if (MBOX_ALLOC(mbox, rst2init_qp))
 409                         return -ENOMEM;
 410                  MOD_QP_IN_SET_QPC(rst2init_qp, mbox->in, opcode, qpn,
 411                                    opt_param_mask, qpc);
 412                  break;
 413         case MLX5_CMD_OP_INIT2RTR_QP:
 414                 if (MBOX_ALLOC(mbox, init2rtr_qp))
 415                         return -ENOMEM;
 416                  MOD_QP_IN_SET_QPC(init2rtr_qp, mbox->in, opcode, qpn,
 417                                    opt_param_mask, qpc);
 418                  break;
 419         case MLX5_CMD_OP_RTR2RTS_QP:
 420                 if (MBOX_ALLOC(mbox, rtr2rts_qp))
 421                         return -ENOMEM;
 422                  MOD_QP_IN_SET_QPC(rtr2rts_qp, mbox->in, opcode, qpn,
 423                                    opt_param_mask, qpc);
 424                  break;
 425         case MLX5_CMD_OP_RTS2RTS_QP:
 426                 if (MBOX_ALLOC(mbox, rts2rts_qp))
 427                         return -ENOMEM;
 428                 MOD_QP_IN_SET_QPC(rts2rts_qp, mbox->in, opcode, qpn,
 429                                   opt_param_mask, qpc);
 430                 break;
 431         case MLX5_CMD_OP_SQERR2RTS_QP:
 432                 if (MBOX_ALLOC(mbox, sqerr2rts_qp))
 433                         return -ENOMEM;
 434                 MOD_QP_IN_SET_QPC(sqerr2rts_qp, mbox->in, opcode, qpn,
 435                                   opt_param_mask, qpc);
 436                 break;
 437         case MLX5_CMD_OP_INIT2INIT_QP:
 438                 if (MBOX_ALLOC(mbox, init2init_qp))
 439                         return -ENOMEM;
 440                 MOD_QP_IN_SET_QPC(init2init_qp, mbox->in, opcode, qpn,
 441                                   opt_param_mask, qpc);
 442                 break;
 443         default:
 444                 mlx5_core_err(dev, "Unknown transition for modify QP: OP(0x%x) QPN(0x%x)\n",
 445                               opcode, qpn);
 446                 return -EINVAL;
 447         }
 448         return 0;
 449 }
 450
 451 int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
 452                         u32 opt_param_mask, void *qpc,
 453                         struct mlx5_core_qp *qp)
 454 {
 455         struct mbox_info mbox;
 456         int err;
 457
 458         err = modify_qp_mbox_alloc(dev, opcode, qp->qpn,
 459                                    opt_param_mask, qpc, &mbox);
 460         if (err)
 461                 return err;
 462
 463         err = mlx5_cmd_exec(dev, mbox.in, mbox.inlen, mbox.out, mbox.outlen);
 464         mbox_free(&mbox);
 465         return err;
 466 }
 467 EXPORT_SYMBOL_GPL(mlx5_core_qp_modify);
 468
 469 void mlx5_init_qp_table(struct mlx5_core_dev *dev)
 470 {
 471         struct mlx5_qp_table *table = &dev->priv.qp_table;
 472
 473         memset(table, 0, sizeof(*table));
 474         spin_lock_init(&table->lock);
 475         INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
 476         mlx5_qp_debugfs_init(dev);
 477 }
 478
 479 void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev)
 480 {
 481         mlx5_qp_debugfs_cleanup(dev);
 482 }
 483
 484 int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
 485                        u32 *out, int outlen)
 486 {
 487         u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {0};
 488
 489         MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP);
 490         MLX5_SET(query_qp_in, in, qpn, qp->qpn);
 491         return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
 492 }
 493 EXPORT_SYMBOL_GPL(mlx5_core_qp_query);
 494
 495 int mlx5_core_dct_query(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct,
 496                         u32 *out, int outlen)
 497 {
 498         u32 in[MLX5_ST_SZ_DW(query_dct_in)] = {0};
 499         struct mlx5_core_qp *qp = &dct->mqp;
 500
 501         MLX5_SET(query_dct_in, in, opcode, MLX5_CMD_OP_QUERY_DCT);
 502         MLX5_SET(query_dct_in, in, dctn, qp->qpn);
 503
 504         return mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
 505                              (void *)out, outlen);
 506 }
 507 EXPORT_SYMBOL_GPL(mlx5_core_dct_query);
 508
 509 int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn)
 510 {
 511         u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {0};
 512         u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)]   = {0};
 513         int err;
 514
 515         MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
 516         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 517         if (!err)
 518                 *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
 519         return err;
 520 }
 521 EXPORT_SYMBOL_GPL(mlx5_core_xrcd_alloc);
 522
 523 int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn)
 524 {
 525         u32 out[MLX5_ST_SZ_DW(dealloc_xrcd_out)] = {0};
 526         u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)]   = {0};
 527
 528         MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
 529         MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
 530         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 531 }
 532 EXPORT_SYMBOL_GPL(mlx5_core_xrcd_dealloc);
 533
 534 int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
 535                                 struct mlx5_core_qp *rq)
 536 {
 537         int err;
 538         u32 rqn;
 539
 540         err = mlx5_core_create_rq(dev, in, inlen, &rqn);
 541         if (err)
 542                 return err;
 543
 544         rq->qpn = rqn;
 545         err = create_resource_common(dev, rq, MLX5_RES_RQ);
 546         if (err)
 547                 goto err_destroy_rq;
 548
 549         return 0;
 550
 551 err_destroy_rq:
 552         mlx5_core_destroy_rq(dev, rq->qpn);
 553
 554         return err;
 555 }
 556 EXPORT_SYMBOL(mlx5_core_create_rq_tracked);
 557
 558 void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
 559                                   struct mlx5_core_qp *rq)
 560 {
 561         destroy_resource_common(dev, rq);
 562         mlx5_core_destroy_rq(dev, rq->qpn);
 563 }
 564 EXPORT_SYMBOL(mlx5_core_destroy_rq_tracked);
 565
 566 int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
 567                                 struct mlx5_core_qp *sq)
 568 {
 569         int err;
 570         u32 sqn;
 571
 572         err = mlx5_core_create_sq(dev, in, inlen, &sqn);
 573         if (err)
 574                 return err;
 575
 576         sq->qpn = sqn;
 577         err = create_resource_common(dev, sq, MLX5_RES_SQ);
 578         if (err)
 579                 goto err_destroy_sq;
 580
 581         return 0;
 582
 583 err_destroy_sq:
 584         mlx5_core_destroy_sq(dev, sq->qpn);
 585
 586         return err;
 587 }
 588 EXPORT_SYMBOL(mlx5_core_create_sq_tracked);
 589
 590 void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
 591                                   struct mlx5_core_qp *sq)
 592 {
 593         destroy_resource_common(dev, sq);
 594         mlx5_core_destroy_sq(dev, sq->qpn);
 595 }
 596 EXPORT_SYMBOL(mlx5_core_destroy_sq_tracked);
 597
 598 int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id)
 599 {
 600         u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)]   = {0};
 601         u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
 602         int err;
 603
 604         MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
 605         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 606         if (!err)
 607                 *counter_id = MLX5_GET(alloc_q_counter_out, out,
 608                                        counter_set_id);
 609         return err;
 610 }
 611 EXPORT_SYMBOL_GPL(mlx5_core_alloc_q_counter);
 612
 613 int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id)
 614 {
 615         u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)]   = {0};
 616         u32 out[MLX5_ST_SZ_DW(dealloc_q_counter_out)] = {0};
 617
 618         MLX5_SET(dealloc_q_counter_in, in, opcode,
 619                  MLX5_CMD_OP_DEALLOC_Q_COUNTER);
 620         MLX5_SET(dealloc_q_counter_in, in, counter_set_id, counter_id);
 621         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 622 }
 623 EXPORT_SYMBOL_GPL(mlx5_core_dealloc_q_counter);
 624
 625 int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
 626                               int reset, void *out, int out_size)
 627 {
 628         u32 in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0};
 629
 630         MLX5_SET(query_q_counter_in, in, opcode, MLX5_CMD_OP_QUERY_Q_COUNTER);
 631         MLX5_SET(query_q_counter_in, in, clear, reset);
 632         MLX5_SET(query_q_counter_in, in, counter_set_id, counter_id);
 633         return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size);
 634 }
 635 EXPORT_SYMBOL_GPL(mlx5_core_query_q_counter);