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

   1 /*
   2  * Copyright (c) 2013-2015, Mellanox Technologies, Ltd.  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/mlx5/driver.h>
  34 #include "mlx5_core.h"
  35 #include <linux/mlx5/transobj.h>
  36
  37 int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn)
  38 {
  39         u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)];
  40         u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)];
  41         int err;
  42
  43         memset(in, 0, sizeof(in));
  44         memset(out, 0, sizeof(out));
  45
  46         MLX5_SET(alloc_transport_domain_in, in, opcode,
  47                  MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
  48
  49         err = mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
  50         if (!err)
  51                 *tdn = MLX5_GET(alloc_transport_domain_out, out,
  52                                 transport_domain);
  53
  54         return err;
  55 }
  56 EXPORT_SYMBOL(mlx5_core_alloc_transport_domain);
  57
  58 void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn)
  59 {
  60         u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)];
  61         u32 out[MLX5_ST_SZ_DW(dealloc_transport_domain_out)];
  62
  63         memset(in, 0, sizeof(in));
  64         memset(out, 0, sizeof(out));
  65
  66         MLX5_SET(dealloc_transport_domain_in, in, opcode,
  67                  MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
  68         MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
  69
  70         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
  71 }
  72 EXPORT_SYMBOL(mlx5_core_dealloc_transport_domain);
  73
  74 int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *rqn)
  75 {
  76         u32 out[MLX5_ST_SZ_DW(create_rq_out)];
  77         int err;
  78
  79         MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
  80
  81         memset(out, 0, sizeof(out));
  82         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
  83         if (!err)
  84                 *rqn = MLX5_GET(create_rq_out, out, rqn);
  85
  86         return err;
  87 }
  88 EXPORT_SYMBOL(mlx5_core_create_rq);
  89
  90 int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen)
  91 {
  92         u32 out[MLX5_ST_SZ_DW(modify_rq_out)];
  93
  94         MLX5_SET(modify_rq_in, in, rqn, rqn);
  95         MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
  96
  97         memset(out, 0, sizeof(out));
  98         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
  99 }
 100 EXPORT_SYMBOL(mlx5_core_modify_rq);
 101
 102 void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn)
 103 {
 104         u32 in[MLX5_ST_SZ_DW(destroy_rq_in)];
 105         u32 out[MLX5_ST_SZ_DW(destroy_rq_out)];
 106
 107         memset(in, 0, sizeof(in));
 108
 109         MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ);
 110         MLX5_SET(destroy_rq_in, in, rqn, rqn);
 111
 112         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 113 }
 114 EXPORT_SYMBOL(mlx5_core_destroy_rq);
 115
 116 int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out)
 117 {
 118         u32 in[MLX5_ST_SZ_DW(query_rq_in)] = {0};
 119         int outlen = MLX5_ST_SZ_BYTES(query_rq_out);
 120
 121         MLX5_SET(query_rq_in, in, opcode, MLX5_CMD_OP_QUERY_RQ);
 122         MLX5_SET(query_rq_in, in, rqn, rqn);
 123
 124         return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, outlen);
 125 }
 126 EXPORT_SYMBOL(mlx5_core_query_rq);
 127
 128 int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *sqn)
 129 {
 130         u32 out[MLX5_ST_SZ_DW(create_sq_out)];
 131         int err;
 132
 133         MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
 134
 135         memset(out, 0, sizeof(out));
 136         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 137         if (!err)
 138                 *sqn = MLX5_GET(create_sq_out, out, sqn);
 139
 140         return err;
 141 }
 142
 143 int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen)
 144 {
 145         u32 out[MLX5_ST_SZ_DW(modify_sq_out)];
 146
 147         MLX5_SET(modify_sq_in, in, sqn, sqn);
 148         MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
 149
 150         memset(out, 0, sizeof(out));
 151         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 152 }
 153 EXPORT_SYMBOL(mlx5_core_modify_sq);
 154
 155 void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn)
 156 {
 157         u32 in[MLX5_ST_SZ_DW(destroy_sq_in)];
 158         u32 out[MLX5_ST_SZ_DW(destroy_sq_out)];
 159
 160         memset(in, 0, sizeof(in));
 161
 162         MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ);
 163         MLX5_SET(destroy_sq_in, in, sqn, sqn);
 164
 165         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 166 }
 167
 168 int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out)
 169 {
 170         u32 in[MLX5_ST_SZ_DW(query_sq_in)] = {0};
 171         int outlen = MLX5_ST_SZ_BYTES(query_sq_out);
 172
 173         MLX5_SET(query_sq_in, in, opcode, MLX5_CMD_OP_QUERY_SQ);
 174         MLX5_SET(query_sq_in, in, sqn, sqn);
 175
 176         return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, outlen);
 177 }
 178 EXPORT_SYMBOL(mlx5_core_query_sq);
 179
 180 int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
 181                          u32 *tirn)
 182 {
 183         u32 out[MLX5_ST_SZ_DW(create_tir_out)];
 184         int err;
 185
 186         MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
 187
 188         memset(out, 0, sizeof(out));
 189         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 190         if (!err)
 191                 *tirn = MLX5_GET(create_tir_out, out, tirn);
 192
 193         return err;
 194 }
 195 EXPORT_SYMBOL(mlx5_core_create_tir);
 196
 197 int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
 198                          int inlen)
 199 {
 200         u32 out[MLX5_ST_SZ_DW(modify_tir_out)];
 201
 202         MLX5_SET(modify_tir_in, in, tirn, tirn);
 203         MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
 204
 205         memset(out, 0, sizeof(out));
 206         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 207 }
 208
 209 void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn)
 210 {
 211         u32 in[MLX5_ST_SZ_DW(destroy_tir_in)];
 212         u32 out[MLX5_ST_SZ_DW(destroy_tir_out)];
 213
 214         memset(in, 0, sizeof(in));
 215
 216         MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
 217         MLX5_SET(destroy_tir_in, in, tirn, tirn);
 218
 219         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 220 }
 221 EXPORT_SYMBOL(mlx5_core_destroy_tir);
 222
 223 int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
 224                          u32 *tisn)
 225 {
 226         u32 out[MLX5_ST_SZ_DW(create_tis_out)];
 227         int err;
 228
 229         MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
 230
 231         memset(out, 0, sizeof(out));
 232         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 233         if (!err)
 234                 *tisn = MLX5_GET(create_tis_out, out, tisn);
 235
 236         return err;
 237 }
 238 EXPORT_SYMBOL(mlx5_core_create_tis);
 239
 240 int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
 241                          int inlen)
 242 {
 243         u32 out[MLX5_ST_SZ_DW(modify_tis_out)] = {0};
 244
 245         MLX5_SET(modify_tis_in, in, tisn, tisn);
 246         MLX5_SET(modify_tis_in, in, opcode, MLX5_CMD_OP_MODIFY_TIS);
 247
 248         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 249 }
 250 EXPORT_SYMBOL(mlx5_core_modify_tis);
 251
 252 void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn)
 253 {
 254         u32 in[MLX5_ST_SZ_DW(destroy_tis_in)];
 255         u32 out[MLX5_ST_SZ_DW(destroy_tis_out)];
 256
 257         memset(in, 0, sizeof(in));
 258
 259         MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);
 260         MLX5_SET(destroy_tis_in, in, tisn, tisn);
 261
 262         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 263 }
 264 EXPORT_SYMBOL(mlx5_core_destroy_tis);
 265
 266 int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen,
 267                          u32 *rmpn)
 268 {
 269         u32 out[MLX5_ST_SZ_DW(create_rmp_out)];
 270         int err;
 271
 272         MLX5_SET(create_rmp_in, in, opcode, MLX5_CMD_OP_CREATE_RMP);
 273
 274         memset(out, 0, sizeof(out));
 275         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 276         if (!err)
 277                 *rmpn = MLX5_GET(create_rmp_out, out, rmpn);
 278
 279         return err;
 280 }
 281
 282 int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen)
 283 {
 284         u32 out[MLX5_ST_SZ_DW(modify_rmp_out)];
 285
 286         MLX5_SET(modify_rmp_in, in, opcode, MLX5_CMD_OP_MODIFY_RMP);
 287
 288         memset(out, 0, sizeof(out));
 289         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 290 }
 291
 292 int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn)
 293 {
 294         u32 in[MLX5_ST_SZ_DW(destroy_rmp_in)];
 295         u32 out[MLX5_ST_SZ_DW(destroy_rmp_out)];
 296
 297         memset(in, 0, sizeof(in));
 298
 299         MLX5_SET(destroy_rmp_in, in, opcode, MLX5_CMD_OP_DESTROY_RMP);
 300         MLX5_SET(destroy_rmp_in, in, rmpn, rmpn);
 301
 302         return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out,
 303                                           sizeof(out));
 304 }
 305
 306 int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out)
 307 {
 308         u32 in[MLX5_ST_SZ_DW(query_rmp_in)];
 309         int outlen = MLX5_ST_SZ_BYTES(query_rmp_out);
 310
 311         memset(in, 0, sizeof(in));
 312         MLX5_SET(query_rmp_in, in, opcode, MLX5_CMD_OP_QUERY_RMP);
 313         MLX5_SET(query_rmp_in, in, rmpn,   rmpn);
 314
 315         return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, outlen);
 316 }
 317
 318 int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm)
 319 {
 320         void *in;
 321         void *rmpc;
 322         void *wq;
 323         void *bitmask;
 324         int  err;
 325
 326         in = mlx5_vzalloc(MLX5_ST_SZ_BYTES(modify_rmp_in));
 327         if (!in)
 328                 return -ENOMEM;
 329
 330         rmpc    = MLX5_ADDR_OF(modify_rmp_in,   in,   ctx);
 331         bitmask = MLX5_ADDR_OF(modify_rmp_in,   in,   bitmask);
 332         wq      = MLX5_ADDR_OF(rmpc,            rmpc, wq);
 333
 334         MLX5_SET(modify_rmp_in, in,      rmp_state, MLX5_RMPC_STATE_RDY);
 335         MLX5_SET(modify_rmp_in, in,      rmpn,      rmpn);
 336         MLX5_SET(wq,            wq,      lwm,       lwm);
 337         MLX5_SET(rmp_bitmask,   bitmask, lwm,       1);
 338         MLX5_SET(rmpc,          rmpc,    state,     MLX5_RMPC_STATE_RDY);
 339
 340         err =  mlx5_core_modify_rmp(dev, in, MLX5_ST_SZ_BYTES(modify_rmp_in));
 341
 342         kvfree(in);
 343
 344         return err;
 345 }
 346
 347 int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen,
 348                           u32 *xsrqn)
 349 {
 350         u32 out[MLX5_ST_SZ_DW(create_xrc_srq_out)];
 351         int err;
 352
 353         MLX5_SET(create_xrc_srq_in, in, opcode,     MLX5_CMD_OP_CREATE_XRC_SRQ);
 354
 355         memset(out, 0, sizeof(out));
 356         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 357         if (!err)
 358                 *xsrqn = MLX5_GET(create_xrc_srq_out, out, xrc_srqn);
 359
 360         return err;
 361 }
 362
 363 int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 xsrqn)
 364 {
 365         u32 in[MLX5_ST_SZ_DW(destroy_xrc_srq_in)];
 366         u32 out[MLX5_ST_SZ_DW(destroy_xrc_srq_out)];
 367
 368         memset(in, 0, sizeof(in));
 369         memset(out, 0, sizeof(out));
 370
 371         MLX5_SET(destroy_xrc_srq_in, in, opcode,   MLX5_CMD_OP_DESTROY_XRC_SRQ);
 372         MLX5_SET(destroy_xrc_srq_in, in, xrc_srqn, xsrqn);
 373
 374         return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out,
 375                                           sizeof(out));
 376 }
 377
 378 int mlx5_core_query_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u32 *out)
 379 {
 380         u32 in[MLX5_ST_SZ_DW(query_xrc_srq_in)];
 381         void *srqc;
 382         void *xrc_srqc;
 383         int err;
 384
 385         memset(in, 0, sizeof(in));
 386         MLX5_SET(query_xrc_srq_in, in, opcode,   MLX5_CMD_OP_QUERY_XRC_SRQ);
 387         MLX5_SET(query_xrc_srq_in, in, xrc_srqn, xsrqn);
 388
 389         err =  mlx5_cmd_exec_check_status(dev, in, sizeof(in),
 390                                           out,
 391                                           MLX5_ST_SZ_BYTES(query_xrc_srq_out));
 392         if (!err) {
 393                 xrc_srqc = MLX5_ADDR_OF(query_xrc_srq_out, out,
 394                                         xrc_srq_context_entry);
 395                 srqc = MLX5_ADDR_OF(query_srq_out, out, srq_context_entry);
 396                 memcpy(srqc, xrc_srqc, MLX5_ST_SZ_BYTES(srqc));
 397         }
 398
 399         return err;
 400 }
 401
 402 int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u16 lwm)
 403 {
 404         u32 in[MLX5_ST_SZ_DW(arm_xrc_srq_in)];
 405         u32 out[MLX5_ST_SZ_DW(arm_xrc_srq_out)];
 406
 407         memset(in, 0, sizeof(in));
 408         memset(out, 0, sizeof(out));
 409
 410         MLX5_SET(arm_xrc_srq_in, in, opcode,   MLX5_CMD_OP_ARM_XRC_SRQ);
 411         MLX5_SET(arm_xrc_srq_in, in, xrc_srqn, xsrqn);
 412         MLX5_SET(arm_xrc_srq_in, in, lwm,      lwm);
 413         MLX5_SET(arm_xrc_srq_in, in, op_mod,
 414                  MLX5_ARM_XRC_SRQ_IN_OP_MOD_XRC_SRQ);
 415
 416         return  mlx5_cmd_exec_check_status(dev, in, sizeof(in), out,
 417                                            sizeof(out));
 418 }
 419
 420 int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
 421                          u32 *rqtn)
 422 {
 423         u32 out[MLX5_ST_SZ_DW(create_rqt_out)];
 424         int err;
 425
 426         MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
 427
 428         memset(out, 0, sizeof(out));
 429         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 430         if (!err)
 431                 *rqtn = MLX5_GET(create_rqt_out, out, rqtn);
 432
 433         return err;
 434 }
 435 EXPORT_SYMBOL(mlx5_core_create_rqt);
 436
 437 int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
 438                          int inlen)
 439 {
 440         u32 out[MLX5_ST_SZ_DW(modify_rqt_out)];
 441
 442         MLX5_SET(modify_rqt_in, in, rqtn, rqtn);
 443         MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
 444
 445         memset(out, 0, sizeof(out));
 446         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 447 }
 448
 449 void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn)
 450 {
 451         u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)];
 452         u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)];
 453
 454         memset(in, 0, sizeof(in));
 455
 456         MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
 457         MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
 458
 459         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 460 }
 461 EXPORT_SYMBOL(mlx5_core_destroy_rqt);