include/linux/qed/rdma_common.h

   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
  63 struct rdma_srq_id {
  64         __le16 srq_idx;
  65         __le16 opaque_fid;
  66 };
  67
  68 struct rdma_srq_producers {
  69         __le32 sge_prod;
  70         __le32 wqe_prod;
  71 };
  72
  73 #endif /* __RDMA_COMMON__ */