include/linux/qed/rdma_common.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
   2 /* QLogic qed NIC Driver
   3  * Copyright (c) 2015-2017  QLogic Corporation
   4  * Copyright (c) 2019-2020 Marvell International Ltd.
   5  */
   6
   7 #ifndef __RDMA_COMMON__
   8 #define __RDMA_COMMON__
   9
  10 /************************/
  11 /* RDMA FW CONSTANTS */
  12 /************************/
  13
  14 #define RDMA_RESERVED_LKEY              (0)
  15 #define RDMA_RING_PAGE_SIZE             (0x1000)
  16
  17 #define RDMA_MAX_SGE_PER_SQ_WQE         (4)
  18 #define RDMA_MAX_SGE_PER_RQ_WQE         (4)
  19
  20 #define RDMA_MAX_DATA_SIZE_IN_WQE       (0x80000000)
  21
  22 #define RDMA_REQ_RD_ATOMIC_ELM_SIZE     (0x50)
  23 #define RDMA_RESP_RD_ATOMIC_ELM_SIZE    (0x20)
  24
  25 #define RDMA_MAX_CQS                    (64 * 1024)
  26 #define RDMA_MAX_TIDS                   (128 * 1024 - 1)
  27 #define RDMA_MAX_PDS                    (64 * 1024)
  28 #define RDMA_MAX_XRC_SRQS                       (1024)
  29 #define RDMA_MAX_SRQS                           (32 * 1024)
  30 #define RDMA_MAX_IRQ_ELEMS_IN_PAGE      (128)
  31
  32 #define RDMA_NUM_STATISTIC_COUNTERS     MAX_NUM_VPORTS
  33 #define RDMA_NUM_STATISTIC_COUNTERS_K2  MAX_NUM_VPORTS_K2
  34 #define RDMA_NUM_STATISTIC_COUNTERS_BB  MAX_NUM_VPORTS_BB
  35
  36 #define RDMA_TASK_TYPE (PROTOCOLID_ROCE)
  37
  38 struct rdma_srq_id {
  39         __le16 srq_idx;
  40         __le16 opaque_fid;
  41 };
  42
  43 struct rdma_srq_producers {
  44         __le32 sge_prod;
  45         __le32 wqe_prod;
  46 };
  47
  48 #endif /* __RDMA_COMMON__ */