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
  39 struct hns_roce_ib_create_cq {
  40         __aligned_u64 buf_addr;
  41         __aligned_u64 db_addr;
  42         __u32 cqe_size;
  43         __u32 reserved;
  44 };
  45
  46 enum hns_roce_cq_cap_flags {
  47         HNS_ROCE_CQ_FLAG_RECORD_DB = 1 << 0,
  48 };
  49
  50 struct hns_roce_ib_create_cq_resp {
  51         __aligned_u64 cqn; /* Only 32 bits used, 64 for compat */
  52         __aligned_u64 cap_flags;
  53 };
  54
  55 struct hns_roce_ib_create_srq {
  56         __aligned_u64 buf_addr;
  57         __aligned_u64 db_addr;
  58         __aligned_u64 que_addr;
  59 };
  60
  61 struct hns_roce_ib_create_srq_resp {
  62         __u32   srqn;
  63         __u32   reserved;
  64 };
  65
  66 struct 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
  76 enum 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
  82 struct hns_roce_ib_create_qp_resp {
  83         __aligned_u64 cap_flags;
  84 };
  85
  86 struct hns_roce_ib_alloc_ucontext_resp {
  87         __u32   qp_tab_size;
  88         __u32   cqe_size;
  89 };
  90
  91 struct hns_roce_ib_alloc_pd_resp {
  92         __u32 pdn;
  93 };
  94
  95 #endif /* HNS_ABI_USER_H */