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; /* Use enum mlx4_ib_rx_hash_fields */ 101 __u8 rx_hash_function; /* Use enum mlx4_ib_rx_hash_function_flags */ 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 MLX4_IB_RX_HASH_INNER = 1ULL << 31, 157 }; 158 159 #endif /* MLX4_ABI_USER_H */ 160