1 /* 2 * Copyright (c) 2007 Cisco, Inc. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef MLX4_ABI_H 34 #define MLX4_ABI_H 35 36 #include <infiniband/kern-abi.h> 37 38 #define MLX4_UVERBS_MIN_ABI_VERSION 2 39 #define MLX4_UVERBS_MAX_ABI_VERSION 4 40 41 #define MLX4_UVERBS_NO_DEV_CAPS_ABI_VERSION 3 42 43 enum { 44 MLX4_USER_DEV_CAP_64B_CQE = 1L << 0 45 }; 46 47 struct mlx4_alloc_ucontext_resp_v3 { 48 struct ibv_get_context_resp ibv_resp; 49 __u32 qp_tab_size; 50 __u16 bf_reg_size; 51 __u16 bf_regs_per_page; 52 }; 53 54 enum mlx4_query_dev_ex_resp_mask { 55 MLX4_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0, 56 }; 57 58 struct mlx4_alloc_ucontext_resp { 59 struct ibv_get_context_resp ibv_resp; 60 __u32 dev_caps; 61 __u32 qp_tab_size; 62 __u16 bf_reg_size; 63 __u16 bf_regs_per_page; 64 __u32 cqe_size; 65 }; 66 67 struct mlx4_alloc_pd_resp { 68 struct ibv_alloc_pd_resp ibv_resp; 69 __u32 pdn; 70 __u32 reserved; 71 }; 72 73 struct mlx4_create_cq { 74 struct ibv_create_cq ibv_cmd; 75 __u64 buf_addr; 76 __u64 db_addr; 77 }; 78 79 struct mlx4_create_cq_resp { 80 struct ibv_create_cq_resp ibv_resp; 81 __u32 cqn; 82 __u32 reserved; 83 }; 84 85 struct mlx4_create_cq_ex { 86 struct ibv_create_cq_ex ibv_cmd; 87 __u64 buf_addr; 88 __u64 db_addr; 89 }; 90 91 struct mlx4_create_cq_resp_ex { 92 struct ibv_create_cq_resp_ex ibv_resp; 93 __u32 cqn; 94 __u32 reserved; 95 }; 96 97 struct mlx4_resize_cq { 98 struct ibv_resize_cq ibv_cmd; 99 __u64 buf_addr; 100 }; 101 102 struct mlx4_query_device_ex_resp { 103 struct ibv_query_device_resp_ex ibv_resp; 104 __u32 comp_mask; 105 __u32 response_length; 106 __u64 hca_core_clock_offset; 107 }; 108 109 struct mlx4_query_device_ex { 110 struct ibv_query_device_ex ibv_cmd; 111 }; 112 113 struct mlx4_create_srq { 114 struct ibv_create_srq ibv_cmd; 115 __u64 buf_addr; 116 __u64 db_addr; 117 }; 118 119 struct mlx4_create_xsrq { 120 struct ibv_create_xsrq ibv_cmd; 121 __u64 buf_addr; 122 __u64 db_addr; 123 }; 124 125 struct mlx4_create_srq_resp { 126 struct ibv_create_srq_resp ibv_resp; 127 __u32 srqn; 128 __u32 reserved; 129 }; 130 131 struct mlx4_create_qp { 132 struct ibv_create_qp ibv_cmd; 133 __u64 buf_addr; 134 __u64 db_addr; 135 __u8 log_sq_bb_count; 136 __u8 log_sq_stride; 137 __u8 sq_no_prefetch; /* was reserved in ABI 2 */ 138 __u8 reserved[5]; 139 }; 140 141 struct mlx4_create_qp_drv_ex { 142 __u64 buf_addr; 143 __u64 db_addr; 144 __u8 log_sq_bb_count; 145 __u8 log_sq_stride; 146 __u8 sq_no_prefetch; /* was reserved in ABI 2 */ 147 __u8 reserved[5]; 148 }; 149 150 struct mlx4_create_qp_ex { 151 struct ibv_create_qp_ex ibv_cmd; 152 struct mlx4_create_qp_drv_ex drv_ex; 153 }; 154 155 struct mlx4_create_qp_resp_ex { 156 struct ibv_create_qp_resp_ex ibv_resp; 157 }; 158 159 #endif /* MLX4_ABI_H */ 160