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

   1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
   2/*
   3 * Copyright (c) 2016 Hisilicon Limited.
   4 *
   5 * This software is available to you under a choice of one of two
   6 * licenses.  You may choose to be licensed under the terms of the GNU
   7 * General Public License (GPL) Version 2, available from the file
   8 * COPYING in the main directory of this source tree, or the
   9 * OpenIB.org BSD license below:
  10 *
  11 *     Redistribution and use in source and binary forms, with or
  12 *     without modification, are permitted provided that the following
  13 *     conditions are met:
  14 *
  15 *      - Redistributions of source code must retain the above
  16 *        copyright notice, this list of conditions and the following
  17 *        disclaimer.
  18 *
  19 *      - Redistributions in binary form must reproduce the above
  20 *        copyright notice, this list of conditions and the following
  21 *        disclaimer in the documentation and/or other materials
  22 *        provided with the distribution.
  23 *
  24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31 * SOFTWARE.
  32 */
  33
  34#ifndef HNS_ABI_USER_H
  35#define HNS_ABI_USER_H
  36
  37#include <linux/types.h>
  38
  39struct hns_roce_ib_create_cq {
  40        __aligned_u64 buf_addr;
  41        __aligned_u64 db_addr;
  42        __u32 cqe_size;
  43        __u32 reserved;
  44};
  45
  46enum hns_roce_cq_cap_flags {
  47        HNS_ROCE_CQ_FLAG_RECORD_DB = 1 << 0,
  48};
  49
  50struct hns_roce_ib_create_cq_resp {
  51        __aligned_u64 cqn; /* Only 32 bits used, 64 for compat */
  52        __aligned_u64 cap_flags;
  53};
  54
  55struct hns_roce_ib_create_srq {
  56        __aligned_u64 buf_addr;
  57        __aligned_u64 db_addr;
  58        __aligned_u64 que_addr;
  59};
  60
  61struct hns_roce_ib_create_srq_resp {
  62        __u32   srqn;
  63        __u32   reserved;
  64};
  65
  66struct hns_roce_ib_create_qp {
  67        __aligned_u64 buf_addr;
  68        __aligned_u64 db_addr;
  69        __u8    log_sq_bb_count;
  70        __u8    log_sq_stride;
  71        __u8    sq_no_prefetch;
  72        __u8    reserved[5];
  73        __aligned_u64 sdb_addr;
  74};
  75
  76enum hns_roce_qp_cap_flags {
  77        HNS_ROCE_QP_CAP_RQ_RECORD_DB = 1 << 0,
  78        HNS_ROCE_QP_CAP_SQ_RECORD_DB = 1 << 1,
  79        HNS_ROCE_QP_CAP_OWNER_DB = 1 << 2,
  80};
  81
  82struct hns_roce_ib_create_qp_resp {
  83        __aligned_u64 cap_flags;
  84};
  85
  86struct hns_roce_ib_alloc_ucontext_resp {
  87        __u32   qp_tab_size;
  88        __u32   cqe_size;
  89        __u32   srq_tab_size;
  90        __u32   reserved;
  91};
  92
  93struct hns_roce_ib_alloc_pd_resp {
  94        __u32 pdn;
  95};
  96
  97#endif /* HNS_ABI_USER_H */
  98