LXR linux/include/linux/qed/rdma

   1/* QLogic qed NIC Driver
   2 * Copyright (c) 2015-2017  QLogic Corporation
   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#ifndef __RDMA_COMMON__
  34#define __RDMA_COMMON__
  35
  36/************************/
  37/* RDMA FW CONSTANTS */
  38/************************/
  39
  40#define RDMA_RESERVED_LKEY              (0)
  41#define RDMA_RING_PAGE_SIZE             (0x1000)
  42
  43#define RDMA_MAX_SGE_PER_SQ_WQE         (4)
  44#define RDMA_MAX_SGE_PER_RQ_WQE         (4)
  45
  46#define RDMA_MAX_DATA_SIZE_IN_WQE       (0x80000000)
  47
  48#define RDMA_REQ_RD_ATOMIC_ELM_SIZE     (0x50)
  49#define RDMA_RESP_RD_ATOMIC_ELM_SIZE    (0x20)
  50
  51#define RDMA_MAX_CQS                    (64 * 1024)
  52#define RDMA_MAX_TIDS                   (128 * 1024 - 1)
  53#define RDMA_MAX_PDS                    (64 * 1024)
  54#define RDMA_MAX_XRC_SRQS                       (1024)
  55#define RDMA_MAX_SRQS                           (32 * 1024)
  56
  57#define RDMA_NUM_STATISTIC_COUNTERS     MAX_NUM_VPORTS
  58#define RDMA_NUM_STATISTIC_COUNTERS_K2  MAX_NUM_VPORTS_K2
  59#define RDMA_NUM_STATISTIC_COUNTERS_BB  MAX_NUM_VPORTS_BB
  60
  61#define RDMA_TASK_TYPE (PROTOCOLID_ROCE)
  62
  63struct rdma_srq_id {
  64        __le16 srq_idx;
  65        __le16 opaque_fid;
  66};
  67
  68struct rdma_srq_producers {
  69        __le32 sge_prod;
  70        __le32 wqe_prod;
  71};
  72
  73#endif /* __RDMA_COMMON__ */
  74