include/uapi/rdma/mlx4-abi.h

   1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
   2 /*
   3  * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
   4  * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  */
  34
  35 #ifndef MLX4_ABI_USER_H
  36 #define MLX4_ABI_USER_H
  37
  38 #include <linux/types.h>
  39
  40 /*
  41  * Increment this value if any changes that break userspace ABI
  42  * compatibility are made.
  43  */
  44
  45 #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION  3
  46 #define MLX4_IB_UVERBS_ABI_VERSION              4
  47
  48 /*
  49  * Make sure that all structs defined in this file remain laid out so
  50  * that they pack the same way on 32-bit and 64-bit architectures (to
  51  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  52  * In particular do not use pointer types -- pass pointers in __u64
  53  * instead.
  54  */
  55
  56 struct mlx4_ib_alloc_ucontext_resp_v3 {
  57         __u32   qp_tab_size;
  58         __u16   bf_reg_size;
  59         __u16   bf_regs_per_page;
  60 };
  61
  62 struct mlx4_ib_alloc_ucontext_resp {
  63         __u32   dev_caps;
  64         __u32   qp_tab_size;
  65         __u16   bf_reg_size;
  66         __u16   bf_regs_per_page;
  67         __u32   cqe_size;
  68 };
  69
  70 struct mlx4_ib_alloc_pd_resp {
  71         __u32   pdn;
  72         __u32   reserved;
  73 };
  74
  75 struct mlx4_ib_create_cq {
  76         __u64   buf_addr;
  77         __u64   db_addr;
  78 };
  79
  80 struct mlx4_ib_create_cq_resp {
  81         __u32   cqn;
  82         __u32   reserved;
  83 };
  84
  85 struct mlx4_ib_resize_cq {
  86         __u64   buf_addr;
  87 };
  88
  89 struct mlx4_ib_create_srq {
  90         __u64   buf_addr;
  91         __u64   db_addr;
  92 };
  93
  94 struct mlx4_ib_create_srq_resp {
  95         __u32   srqn;
  96         __u32   reserved;
  97 };
  98
  99 struct mlx4_ib_create_qp_rss {
 100         __u64   rx_hash_fields_mask;
 101         __u8    rx_hash_function;
 102         __u8    reserved[7];
 103         __u8    rx_hash_key[40];
 104         __u32   comp_mask;
 105         __u32   reserved1;
 106 };
 107
 108 struct mlx4_ib_create_qp {
 109         __u64   buf_addr;
 110         __u64   db_addr;
 111         __u8    log_sq_bb_count;
 112         __u8    log_sq_stride;
 113         __u8    sq_no_prefetch;
 114         __u8    reserved;
 115         __u32   inl_recv_sz;
 116 };
 117
 118 struct mlx4_ib_create_wq {
 119         __u64   buf_addr;
 120         __u64   db_addr;
 121         __u8    log_range_size;
 122         __u8    reserved[3];
 123         __u32   comp_mask;
 124 };
 125
 126 struct mlx4_ib_modify_wq {
 127         __u32   comp_mask;
 128         __u32   reserved;
 129 };
 130
 131 struct mlx4_ib_create_rwq_ind_tbl_resp {
 132         __u32   response_length;
 133         __u32   reserved;
 134 };
 135
 136 /* RX Hash function flags */
 137 enum mlx4_ib_rx_hash_function_flags {
 138         MLX4_IB_RX_HASH_FUNC_TOEPLITZ   = 1 << 0,
 139 };
 140
 141 /*
 142  * RX Hash flags, these flags allows to set which incoming packet's field should
 143  * participates in RX Hash. Each flag represent certain packet's field,
 144  * when the flag is set the field that is represented by the flag will
 145  * participate in RX Hash calculation.
 146  */
 147 enum mlx4_ib_rx_hash_fields {
 148         MLX4_IB_RX_HASH_SRC_IPV4        = 1 << 0,
 149         MLX4_IB_RX_HASH_DST_IPV4        = 1 << 1,
 150         MLX4_IB_RX_HASH_SRC_IPV6        = 1 << 2,
 151         MLX4_IB_RX_HASH_DST_IPV6        = 1 << 3,
 152         MLX4_IB_RX_HASH_SRC_PORT_TCP    = 1 << 4,
 153         MLX4_IB_RX_HASH_DST_PORT_TCP    = 1 << 5,
 154         MLX4_IB_RX_HASH_SRC_PORT_UDP    = 1 << 6,
 155         MLX4_IB_RX_HASH_DST_PORT_UDP    = 1 << 7
 156 };
 157
 158 #endif /* MLX4_ABI_USER_H */