1 /* 2 * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. 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 MLX4_ABI_USER_H 35 #define MLX4_ABI_USER_H 36 37 #include <linux/types.h> 38 39 /* 40 * Increment this value if any changes that break userspace ABI 41 * compatibility are made. 42 */ 43 44 #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION 3 45 #define MLX4_IB_UVERBS_ABI_VERSION 4 46 47 /* 48 * Make sure that all structs defined in this file remain laid out so 49 * that they pack the same way on 32-bit and 64-bit architectures (to 50 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 51 * In particular do not use pointer types -- pass pointers in __u64 52 * instead. 53 */ 54 55 struct mlx4_ib_alloc_ucontext_resp_v3 { 56 __u32 qp_tab_size; 57 __u16 bf_reg_size; 58 __u16 bf_regs_per_page; 59 }; 60 61 struct mlx4_ib_alloc_ucontext_resp { 62 __u32 dev_caps; 63 __u32 qp_tab_size; 64 __u16 bf_reg_size; 65 __u16 bf_regs_per_page; 66 __u32 cqe_size; 67 }; 68 69 struct mlx4_ib_alloc_pd_resp { 70 __u32 pdn; 71 __u32 reserved; 72 }; 73 74 struct mlx4_ib_create_cq { 75 __u64 buf_addr; 76 __u64 db_addr; 77 }; 78 79 struct mlx4_ib_create_cq_resp { 80 __u32 cqn; 81 __u32 reserved; 82 }; 83 84 struct mlx4_ib_resize_cq { 85 __u64 buf_addr; 86 }; 87 88 struct mlx4_ib_create_srq { 89 __u64 buf_addr; 90 __u64 db_addr; 91 }; 92 93 struct mlx4_ib_create_srq_resp { 94 __u32 srqn; 95 __u32 reserved; 96 }; 97 98 struct mlx4_ib_create_qp_rss { 99 __u64 rx_hash_fields_mask; 100 __u8 rx_hash_function; 101 __u8 reserved[7]; 102 __u8 rx_hash_key[40]; 103 __u32 comp_mask; 104 __u32 reserved1; 105 }; 106 107 struct mlx4_ib_create_qp { 108 __u64 buf_addr; 109 __u64 db_addr; 110 __u8 log_sq_bb_count; 111 __u8 log_sq_stride; 112 __u8 sq_no_prefetch; 113 __u8 reserved; 114 __u32 inl_recv_sz; 115 }; 116 117 struct mlx4_ib_create_wq { 118 __u64 buf_addr; 119 __u64 db_addr; 120 __u8 log_range_size; 121 __u8 reserved[3]; 122 __u32 comp_mask; 123 }; 124 125 struct mlx4_ib_modify_wq { 126 __u32 comp_mask; 127 __u32 reserved; 128 }; 129 130 struct mlx4_ib_create_rwq_ind_tbl_resp { 131 __u32 response_length; 132 __u32 reserved; 133 }; 134 135 /* RX Hash function flags */ 136 enum mlx4_ib_rx_hash_function_flags { 137 MLX4_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0, 138 }; 139 140 /* 141 * RX Hash flags, these flags allows to set which incoming packet's field should 142 * participates in RX Hash. Each flag represent certain packet's field, 143 * when the flag is set the field that is represented by the flag will 144 * participate in RX Hash calculation. 145 */ 146 enum mlx4_ib_rx_hash_fields { 147 MLX4_IB_RX_HASH_SRC_IPV4 = 1 << 0, 148 MLX4_IB_RX_HASH_DST_IPV4 = 1 << 1, 149 MLX4_IB_RX_HASH_SRC_IPV6 = 1 << 2, 150 MLX4_IB_RX_HASH_DST_IPV6 = 1 << 3, 151 MLX4_IB_RX_HASH_SRC_PORT_TCP = 1 << 4, 152 MLX4_IB_RX_HASH_DST_PORT_TCP = 1 << 5, 153 MLX4_IB_RX_HASH_SRC_PORT_UDP = 1 << 6, 154 MLX4_IB_RX_HASH_DST_PORT_UDP = 1 << 7 155 }; 156 157 #endif /* MLX4_ABI_USER_H */ 158