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1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */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 two7 * licenses. You may choose to be licensed under the terms of the GNU8 * General Public License (GPL) Version 2, available from the file9 * COPYING in the main directory of this source tree, or the10 * OpenIB.org BSD license below:11 *12 * Redistribution and use in source and binary forms, with or13 * without modification, are permitted provided that the following14 * conditions are met:15 *16 * - Redistributions of source code must retain the above17 * copyright notice, this list of conditions and the following18 * disclaimer.19 *20 * - Redistributions in binary form must reproduce the above21 * copyright notice, this list of conditions and the following22 * disclaimer in the documentation and/or other materials23 * 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 OF27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE32 * SOFTWARE.33 */34 35#ifndef MLX4_ABI_USER_H36#define MLX4_ABI_USER_H37 38#include <linux/types.h>39 40/*41 * Increment this value if any changes that break userspace ABI42 * compatibility are made.43 */44 45#define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION 346#define MLX4_IB_UVERBS_ABI_VERSION 447 48/*49 * Make sure that all structs defined in this file remain laid out so50 * that they pack the same way on 32-bit and 64-bit architectures (to51 * avoid incompatibility between 32-bit userspace and 64-bit kernels).52 * In particular do not use pointer types -- pass pointers in __u6453 * instead.54 */55 56struct mlx4_ib_alloc_ucontext_resp_v3 {57 __u32 qp_tab_size;58 __u16 bf_reg_size;59 __u16 bf_regs_per_page;60};61 62enum {63 MLX4_USER_DEV_CAP_LARGE_CQE = 1L << 0,64};65 66struct mlx4_ib_alloc_ucontext_resp {67 __u32 dev_caps;68 __u32 qp_tab_size;69 __u16 bf_reg_size;70 __u16 bf_regs_per_page;71 __u32 cqe_size;72};73 74struct mlx4_ib_alloc_pd_resp {75 __u32 pdn;76 __u32 reserved;77};78 79struct mlx4_ib_create_cq {80 __aligned_u64 buf_addr;81 __aligned_u64 db_addr;82};83 84struct mlx4_ib_create_cq_resp {85 __u32 cqn;86 __u32 reserved;87};88 89struct mlx4_ib_resize_cq {90 __aligned_u64 buf_addr;91};92 93struct mlx4_ib_create_srq {94 __aligned_u64 buf_addr;95 __aligned_u64 db_addr;96};97 98struct mlx4_ib_create_srq_resp {99 __u32 srqn;100 __u32 reserved;101};102 103struct mlx4_ib_create_qp_rss {104 __aligned_u64 rx_hash_fields_mask; /* Use enum mlx4_ib_rx_hash_fields */105 __u8 rx_hash_function; /* Use enum mlx4_ib_rx_hash_function_flags */106 __u8 reserved[7];107 __u8 rx_hash_key[40];108 __u32 comp_mask;109 __u32 reserved1;110};111 112struct mlx4_ib_create_qp {113 __aligned_u64 buf_addr;114 __aligned_u64 db_addr;115 __u8 log_sq_bb_count;116 __u8 log_sq_stride;117 __u8 sq_no_prefetch;118 __u8 reserved;119 __u32 inl_recv_sz;120};121 122struct mlx4_ib_create_wq {123 __aligned_u64 buf_addr;124 __aligned_u64 db_addr;125 __u8 log_range_size;126 __u8 reserved[3];127 __u32 comp_mask;128};129 130struct mlx4_ib_modify_wq {131 __u32 comp_mask;132 __u32 reserved;133};134 135struct mlx4_ib_create_rwq_ind_tbl_resp {136 __u32 response_length;137 __u32 reserved;138};139 140/* RX Hash function flags */141enum mlx4_ib_rx_hash_function_flags {142 MLX4_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0,143};144 145/*146 * RX Hash flags, these flags allows to set which incoming packet's field should147 * participates in RX Hash. Each flag represent certain packet's field,148 * when the flag is set the field that is represented by the flag will149 * participate in RX Hash calculation.150 */151enum mlx4_ib_rx_hash_fields {152 MLX4_IB_RX_HASH_SRC_IPV4 = 1 << 0,153 MLX4_IB_RX_HASH_DST_IPV4 = 1 << 1,154 MLX4_IB_RX_HASH_SRC_IPV6 = 1 << 2,155 MLX4_IB_RX_HASH_DST_IPV6 = 1 << 3,156 MLX4_IB_RX_HASH_SRC_PORT_TCP = 1 << 4,157 MLX4_IB_RX_HASH_DST_PORT_TCP = 1 << 5,158 MLX4_IB_RX_HASH_SRC_PORT_UDP = 1 << 6,159 MLX4_IB_RX_HASH_DST_PORT_UDP = 1 << 7,160 MLX4_IB_RX_HASH_INNER = 1ULL << 31,161};162 163struct mlx4_ib_rss_caps {164 __aligned_u64 rx_hash_fields_mask; /* enum mlx4_ib_rx_hash_fields */165 __u8 rx_hash_function; /* enum mlx4_ib_rx_hash_function_flags */166 __u8 reserved[7];167};168 169enum query_device_resp_mask {170 MLX4_IB_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0,171};172 173struct mlx4_ib_tso_caps {174 __u32 max_tso; /* Maximum tso payload size in bytes */175 /* Corresponding bit will be set if qp type from176 * 'enum ib_qp_type' is supported.177 */178 __u32 supported_qpts;179};180 181struct mlx4_uverbs_ex_query_device_resp {182 __u32 comp_mask;183 __u32 response_length;184 __aligned_u64 hca_core_clock_offset;185 __u32 max_inl_recv_sz;186 __u32 reserved;187 struct mlx4_ib_rss_caps rss_caps;188 struct mlx4_ib_tso_caps tso_caps;189};190 191#endif /* MLX4_ABI_USER_H */192