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 "transobj.h"
  36
  37 int mlx5_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
  57 void mlx5_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn)
  58 {
  59         u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)];
  60         u32 out[MLX5_ST_SZ_DW(dealloc_transport_domain_out)];
  61
  62         memset(in, 0, sizeof(in));
  63         memset(out, 0, sizeof(out));
  64
  65         MLX5_SET(dealloc_transport_domain_in, in, opcode,
  66                  MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
  67         MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
  68
  69         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
  70 }
  71
  72 int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *rqn)
  73 {
  74         u32 out[MLX5_ST_SZ_DW(create_rq_out)];
  75         int err;
  76
  77         MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
  78
  79         memset(out, 0, sizeof(out));
  80         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
  81         if (!err)
  82                 *rqn = MLX5_GET(create_rq_out, out, rqn);
  83
  84         return err;
  85 }
  86
  87 int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen)
  88 {
  89         u32 out[MLX5_ST_SZ_DW(modify_rq_out)];
  90
  91         MLX5_SET(modify_rq_in, in, rqn, rqn);
  92         MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
  93
  94         memset(out, 0, sizeof(out));
  95         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
  96 }
  97
  98 void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn)
  99 {
 100         u32 in[MLX5_ST_SZ_DW(destroy_rq_in)];
 101         u32 out[MLX5_ST_SZ_DW(destroy_rq_out)];
 102
 103         memset(in, 0, sizeof(in));
 104
 105         MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ);
 106         MLX5_SET(destroy_rq_in, in, rqn, rqn);
 107
 108         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 109 }
 110
 111 int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *sqn)
 112 {
 113         u32 out[MLX5_ST_SZ_DW(create_sq_out)];
 114         int err;
 115
 116         MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
 117
 118         memset(out, 0, sizeof(out));
 119         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 120         if (!err)
 121                 *sqn = MLX5_GET(create_sq_out, out, sqn);
 122
 123         return err;
 124 }
 125
 126 int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen)
 127 {
 128         u32 out[MLX5_ST_SZ_DW(modify_sq_out)];
 129
 130         MLX5_SET(modify_sq_in, in, sqn, sqn);
 131         MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
 132
 133         memset(out, 0, sizeof(out));
 134         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 135 }
 136
 137 void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn)
 138 {
 139         u32 in[MLX5_ST_SZ_DW(destroy_sq_in)];
 140         u32 out[MLX5_ST_SZ_DW(destroy_sq_out)];
 141
 142         memset(in, 0, sizeof(in));
 143
 144         MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ);
 145         MLX5_SET(destroy_sq_in, in, sqn, sqn);
 146
 147         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 148 }
 149
 150 int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
 151                          u32 *tirn)
 152 {
 153         u32 out[MLX5_ST_SZ_DW(create_tir_out)];
 154         int err;
 155
 156         MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
 157
 158         memset(out, 0, sizeof(out));
 159         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 160         if (!err)
 161                 *tirn = MLX5_GET(create_tir_out, out, tirn);
 162
 163         return err;
 164 }
 165
 166 int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
 167                          int inlen)
 168 {
 169         u32 out[MLX5_ST_SZ_DW(modify_tir_out)];
 170
 171         MLX5_SET(modify_tir_in, in, tirn, tirn);
 172         MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
 173
 174         memset(out, 0, sizeof(out));
 175         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 176 }
 177
 178 void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn)
 179 {
 180         u32 in[MLX5_ST_SZ_DW(destroy_tir_in)];
 181         u32 out[MLX5_ST_SZ_DW(destroy_tir_out)];
 182
 183         memset(in, 0, sizeof(in));
 184
 185         MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
 186         MLX5_SET(destroy_tir_in, in, tirn, tirn);
 187
 188         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 189 }
 190
 191 int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
 192                          u32 *tisn)
 193 {
 194         u32 out[MLX5_ST_SZ_DW(create_tis_out)];
 195         int err;
 196
 197         MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
 198
 199         memset(out, 0, sizeof(out));
 200         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 201         if (!err)
 202                 *tisn = MLX5_GET(create_tis_out, out, tisn);
 203
 204         return err;
 205 }
 206
 207 void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn)
 208 {
 209         u32 in[MLX5_ST_SZ_DW(destroy_tis_in)];
 210         u32 out[MLX5_ST_SZ_DW(destroy_tis_out)];
 211
 212         memset(in, 0, sizeof(in));
 213
 214         MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);
 215         MLX5_SET(destroy_tis_in, in, tisn, tisn);
 216
 217         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 218 }
 219
 220 int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen,
 221                          u32 *rmpn)
 222 {
 223         u32 out[MLX5_ST_SZ_DW(create_rmp_out)];
 224         int err;
 225
 226         MLX5_SET(create_rmp_in, in, opcode, MLX5_CMD_OP_CREATE_RMP);
 227
 228         memset(out, 0, sizeof(out));
 229         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 230         if (!err)
 231                 *rmpn = MLX5_GET(create_rmp_out, out, rmpn);
 232
 233         return err;
 234 }
 235
 236 int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen)
 237 {
 238         u32 out[MLX5_ST_SZ_DW(modify_rmp_out)];
 239
 240         MLX5_SET(modify_rmp_in, in, opcode, MLX5_CMD_OP_MODIFY_RMP);
 241
 242         memset(out, 0, sizeof(out));
 243         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 244 }
 245
 246 int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn)
 247 {
 248         u32 in[MLX5_ST_SZ_DW(destroy_rmp_in)];
 249         u32 out[MLX5_ST_SZ_DW(destroy_rmp_out)];
 250
 251         memset(in, 0, sizeof(in));
 252
 253         MLX5_SET(destroy_rmp_in, in, opcode, MLX5_CMD_OP_DESTROY_RMP);
 254         MLX5_SET(destroy_rmp_in, in, rmpn, rmpn);
 255
 256         return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out,
 257                                           sizeof(out));
 258 }
 259
 260 int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out)
 261 {
 262         u32 in[MLX5_ST_SZ_DW(query_rmp_in)];
 263         int outlen = MLX5_ST_SZ_BYTES(query_rmp_out);
 264
 265         memset(in, 0, sizeof(in));
 266         MLX5_SET(query_rmp_in, in, opcode, MLX5_CMD_OP_QUERY_RMP);
 267         MLX5_SET(query_rmp_in, in, rmpn,   rmpn);
 268
 269         return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, outlen);
 270 }
 271
 272 int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm)
 273 {
 274         void *in;
 275         void *rmpc;
 276         void *wq;
 277         void *bitmask;
 278         int  err;
 279
 280         in = mlx5_vzalloc(MLX5_ST_SZ_BYTES(modify_rmp_in));
 281         if (!in)
 282                 return -ENOMEM;
 283
 284         rmpc    = MLX5_ADDR_OF(modify_rmp_in,   in,   ctx);
 285         bitmask = MLX5_ADDR_OF(modify_rmp_in,   in,   bitmask);
 286         wq      = MLX5_ADDR_OF(rmpc,            rmpc, wq);
 287
 288         MLX5_SET(modify_rmp_in, in,      rmp_state, MLX5_RMPC_STATE_RDY);
 289         MLX5_SET(modify_rmp_in, in,      rmpn,      rmpn);
 290         MLX5_SET(wq,            wq,      lwm,       lwm);
 291         MLX5_SET(rmp_bitmask,   bitmask, lwm,       1);
 292         MLX5_SET(rmpc,          rmpc,    state,     MLX5_RMPC_STATE_RDY);
 293
 294         err =  mlx5_core_modify_rmp(dev, in, MLX5_ST_SZ_BYTES(modify_rmp_in));
 295
 296         kvfree(in);
 297
 298         return err;
 299 }
 300
 301 int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen,
 302                           u32 *xsrqn)
 303 {
 304         u32 out[MLX5_ST_SZ_DW(create_xrc_srq_out)];
 305         int err;
 306
 307         MLX5_SET(create_xrc_srq_in, in, opcode,     MLX5_CMD_OP_CREATE_XRC_SRQ);
 308
 309         memset(out, 0, sizeof(out));
 310         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 311         if (!err)
 312                 *xsrqn = MLX5_GET(create_xrc_srq_out, out, xrc_srqn);
 313
 314         return err;
 315 }
 316
 317 int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 xsrqn)
 318 {
 319         u32 in[MLX5_ST_SZ_DW(destroy_xrc_srq_in)];
 320         u32 out[MLX5_ST_SZ_DW(destroy_xrc_srq_out)];
 321
 322         memset(in, 0, sizeof(in));
 323         memset(out, 0, sizeof(out));
 324
 325         MLX5_SET(destroy_xrc_srq_in, in, opcode,   MLX5_CMD_OP_DESTROY_XRC_SRQ);
 326         MLX5_SET(destroy_xrc_srq_in, in, xrc_srqn, xsrqn);
 327
 328         return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out,
 329                                           sizeof(out));
 330 }
 331
 332 int mlx5_core_query_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u32 *out)
 333 {
 334         u32 in[MLX5_ST_SZ_DW(query_xrc_srq_in)];
 335         void *srqc;
 336         void *xrc_srqc;
 337         int err;
 338
 339         memset(in, 0, sizeof(in));
 340         MLX5_SET(query_xrc_srq_in, in, opcode,   MLX5_CMD_OP_QUERY_XRC_SRQ);
 341         MLX5_SET(query_xrc_srq_in, in, xrc_srqn, xsrqn);
 342
 343         err =  mlx5_cmd_exec_check_status(dev, in, sizeof(in),
 344                                           out,
 345                                           MLX5_ST_SZ_BYTES(query_xrc_srq_out));
 346         if (!err) {
 347                 xrc_srqc = MLX5_ADDR_OF(query_xrc_srq_out, out,
 348                                         xrc_srq_context_entry);
 349                 srqc = MLX5_ADDR_OF(query_srq_out, out, srq_context_entry);
 350                 memcpy(srqc, xrc_srqc, MLX5_ST_SZ_BYTES(srqc));
 351         }
 352
 353         return err;
 354 }
 355
 356 int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u16 lwm)
 357 {
 358         u32 in[MLX5_ST_SZ_DW(arm_xrc_srq_in)];
 359         u32 out[MLX5_ST_SZ_DW(arm_xrc_srq_out)];
 360
 361         memset(in, 0, sizeof(in));
 362         memset(out, 0, sizeof(out));
 363
 364         MLX5_SET(arm_xrc_srq_in, in, opcode,   MLX5_CMD_OP_ARM_XRC_SRQ);
 365         MLX5_SET(arm_xrc_srq_in, in, xrc_srqn, xsrqn);
 366         MLX5_SET(arm_xrc_srq_in, in, lwm,      lwm);
 367         MLX5_SET(arm_xrc_srq_in, in, op_mod,
 368                  MLX5_ARM_XRC_SRQ_IN_OP_MOD_XRC_SRQ);
 369
 370         return  mlx5_cmd_exec_check_status(dev, in, sizeof(in), out,
 371                                            sizeof(out));
 372 }
 373
 374 int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
 375                          u32 *rqtn)
 376 {
 377         u32 out[MLX5_ST_SZ_DW(create_rqt_out)];
 378         int err;
 379
 380         MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
 381
 382         memset(out, 0, sizeof(out));
 383         err = mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 384         if (!err)
 385                 *rqtn = MLX5_GET(create_rqt_out, out, rqtn);
 386
 387         return err;
 388 }
 389
 390 int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
 391                          int inlen)
 392 {
 393         u32 out[MLX5_ST_SZ_DW(modify_rqt_out)];
 394
 395         MLX5_SET(modify_rqt_in, in, rqtn, rqtn);
 396         MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
 397
 398         memset(out, 0, sizeof(out));
 399         return mlx5_cmd_exec_check_status(dev, in, inlen, out, sizeof(out));
 400 }
 401
 402 void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn)
 403 {
 404         u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)];
 405         u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)];
 406
 407         memset(in, 0, sizeof(in));
 408
 409         MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
 410         MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
 411
 412         mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out));
 413 }