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 enum hns_roce_srq_cap_flags {
  56         HNS_ROCE_SRQ_CAP_RECORD_DB = 1 << 0,
  57 };
  58
  59 enum hns_roce_srq_cap_flags_resp {
  60         HNS_ROCE_RSP_SRQ_CAP_RECORD_DB = 1 << 0,
  61 };
  62
  63 struct hns_roce_ib_create_srq {
  64         __aligned_u64 buf_addr;
  65         __aligned_u64 db_addr;
  66         __aligned_u64 que_addr;
  67         __u32 req_cap_flags; /* Use enum hns_roce_srq_cap_flags */
  68         __u32 reserved;
  69 };
  70
  71 struct hns_roce_ib_create_srq_resp {
  72         __u32   srqn;
  73         __u32   cap_flags; /* Use enum hns_roce_srq_cap_flags */
  74 };
  75
  76 enum hns_roce_congest_type_flags {
  77         HNS_ROCE_CREATE_QP_FLAGS_DCQCN,
  78         HNS_ROCE_CREATE_QP_FLAGS_LDCP,
  79         HNS_ROCE_CREATE_QP_FLAGS_HC3,
  80         HNS_ROCE_CREATE_QP_FLAGS_DIP,
  81 };
  82
  83 enum hns_roce_create_qp_comp_mask {
  84         HNS_ROCE_CREATE_QP_MASK_CONGEST_TYPE = 1 << 0,
  85 };
  86
  87 struct hns_roce_ib_create_qp {
  88         __aligned_u64 buf_addr;
  89         __aligned_u64 db_addr;
  90         __u8    log_sq_bb_count;
  91         __u8    log_sq_stride;
  92         __u8    sq_no_prefetch;
  93         __u8    reserved[5];
  94         __aligned_u64 sdb_addr;
  95         __aligned_u64 comp_mask; /* Use enum hns_roce_create_qp_comp_mask */
  96         __aligned_u64 create_flags;
  97         __aligned_u64 cong_type_flags;
  98 };
  99
 100 enum hns_roce_qp_cap_flags {
 101         HNS_ROCE_QP_CAP_RQ_RECORD_DB = 1 << 0,
 102         HNS_ROCE_QP_CAP_SQ_RECORD_DB = 1 << 1,
 103         HNS_ROCE_QP_CAP_OWNER_DB = 1 << 2,
 104         HNS_ROCE_QP_CAP_DIRECT_WQE = 1 << 5,
 105 };
 106
 107 struct hns_roce_ib_create_qp_resp {
 108         __aligned_u64 cap_flags;
 109         __aligned_u64 dwqe_mmap_key;
 110 };
 111
 112 struct hns_roce_ib_modify_qp_resp {
 113         __u8    tc_mode;
 114         __u8    priority;
 115         __u8    reserved[6];
 116 };
 117
 118 enum {
 119         HNS_ROCE_EXSGE_FLAGS = 1 << 0,
 120         HNS_ROCE_RQ_INLINE_FLAGS = 1 << 1,
 121         HNS_ROCE_CQE_INLINE_FLAGS = 1 << 2,
 122 };
 123
 124 enum {
 125         HNS_ROCE_RSP_EXSGE_FLAGS = 1 << 0,
 126         HNS_ROCE_RSP_RQ_INLINE_FLAGS = 1 << 1,
 127         HNS_ROCE_RSP_CQE_INLINE_FLAGS = 1 << 2,
 128 };
 129
 130 struct hns_roce_ib_alloc_ucontext_resp {
 131         __u32   qp_tab_size;
 132         __u32   cqe_size;
 133         __u32   srq_tab_size;
 134         __u32   reserved;
 135         __u32   config;
 136         __u32   max_inline_data;
 137         __u8    congest_type;
 138         __u8    reserved0[7];
 139 };
 140
 141 struct hns_roce_ib_alloc_ucontext {
 142         __u32 config;
 143         __u32 reserved;
 144 };
 145
 146 struct hns_roce_ib_alloc_pd_resp {
 147         __u32 pdn;
 148 };
 149
 150 struct hns_roce_ib_create_ah_resp {
 151         __u8 dmac[6];
 152         __u8 priority;
 153         __u8 tc_mode;
 154 };
 155
 156 #endif /* HNS_ABI_USER_H */