LXR linux/include/uapi/rdma/ocrdma-abi.h

   1/* This file is part of the Emulex RoCE Device Driver for
   2 * RoCE (RDMA over Converged Ethernet) adapters.
   3 * Copyright (C) 2012-2015 Emulex. All rights reserved.
   4 * EMULEX and SLI are trademarks of Emulex.
   5 * www.emulex.com
   6 *
   7 * This software is available to you under a choice of one of two licenses.
   8 * You may choose to be licensed under the terms of the GNU General Public
   9 * License (GPL) Version 2, available from the file COPYING in the main
  10 * directory of this source tree, or the BSD license below:
  11 *
  12 * Redistribution and use in source and binary forms, with or without
  13 * modification, are permitted provided that the following conditions
  14 * are met:
  15 *
  16 * - Redistributions of source code must retain the above copyright notice,
  17 *   this list of conditions and the following disclaimer.
  18 *
  19 * - Redistributions in binary form must reproduce the above copyright
  20 *   notice, this list of conditions and the following disclaimer in
  21 *   the documentation and/or other materials provided with the distribution.
  22 *
  23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
  25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34 *
  35 * Contact Information:
  36 * linux-drivers@emulex.com
  37 *
  38 * Emulex
  39 * 3333 Susan Street
  40 * Costa Mesa, CA 92626
  41 */
  42
  43#ifndef OCRDMA_ABI_USER_H
  44#define OCRDMA_ABI_USER_H
  45
  46#include <linux/types.h>
  47
  48#define OCRDMA_ABI_VERSION 2
  49#define OCRDMA_BE_ROCE_ABI_VERSION 1
  50/* user kernel communication data structures. */
  51
  52struct ocrdma_alloc_ucontext_resp {
  53        __u32 dev_id;
  54        __u32 wqe_size;
  55        __u32 max_inline_data;
  56        __u32 dpp_wqe_size;
  57        __u64 ah_tbl_page;
  58        __u32 ah_tbl_len;
  59        __u32 rqe_size;
  60        __u8 fw_ver[32];
  61        /* for future use/new features in progress */
  62        __u64 rsvd1;
  63        __u64 rsvd2;
  64};
  65
  66struct ocrdma_alloc_pd_ureq {
  67        __u64 rsvd1;
  68};
  69
  70struct ocrdma_alloc_pd_uresp {
  71        __u32 id;
  72        __u32 dpp_enabled;
  73        __u32 dpp_page_addr_hi;
  74        __u32 dpp_page_addr_lo;
  75        __u64 rsvd1;
  76};
  77
  78struct ocrdma_create_cq_ureq {
  79        __u32 dpp_cq;
  80        __u32 rsvd; /* pad */
  81};
  82
  83#define MAX_CQ_PAGES 8
  84struct ocrdma_create_cq_uresp {
  85        __u32 cq_id;
  86        __u32 page_size;
  87        __u32 num_pages;
  88        __u32 max_hw_cqe;
  89        __u64 page_addr[MAX_CQ_PAGES];
  90        __u64 db_page_addr;
  91        __u32 db_page_size;
  92        __u32 phase_change;
  93        /* for future use/new features in progress */
  94        __u64 rsvd1;
  95        __u64 rsvd2;
  96};
  97
  98#define MAX_QP_PAGES 8
  99#define MAX_UD_AV_PAGES 8
 100
 101struct ocrdma_create_qp_ureq {
 102        __u8 enable_dpp_cq;
 103        __u8 rsvd;
 104        __u16 dpp_cq_id;
 105        __u32 rsvd1;    /* pad */
 106};
 107
 108struct ocrdma_create_qp_uresp {
 109        __u16 qp_id;
 110        __u16 sq_dbid;
 111        __u16 rq_dbid;
 112        __u16 resv0;    /* pad */
 113        __u32 sq_page_size;
 114        __u32 rq_page_size;
 115        __u32 num_sq_pages;
 116        __u32 num_rq_pages;
 117        __u64 sq_page_addr[MAX_QP_PAGES];
 118        __u64 rq_page_addr[MAX_QP_PAGES];
 119        __u64 db_page_addr;
 120        __u32 db_page_size;
 121        __u32 dpp_credit;
 122        __u32 dpp_offset;
 123        __u32 num_wqe_allocated;
 124        __u32 num_rqe_allocated;
 125        __u32 db_sq_offset;
 126        __u32 db_rq_offset;
 127        __u32 db_shift;
 128        __u64 rsvd[11];
 129} __packed;
 130
 131struct ocrdma_create_srq_uresp {
 132        __u16 rq_dbid;
 133        __u16 resv0;    /* pad */
 134        __u32 resv1;
 135
 136        __u32 rq_page_size;
 137        __u32 num_rq_pages;
 138
 139        __u64 rq_page_addr[MAX_QP_PAGES];
 140        __u64 db_page_addr;
 141
 142        __u32 db_page_size;
 143        __u32 num_rqe_allocated;
 144        __u32 db_rq_offset;
 145        __u32 db_shift;
 146
 147        __u64 rsvd2;
 148        __u64 rsvd3;
 149};
 150
 151#endif  /* OCRDMA_ABI_USER_H */
 152