1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
3 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
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:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
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.
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
34 #ifndef MLX5_ABI_USER_H
35 #define MLX5_ABI_USER_H
37 #include <linux/types.h>
38 #include <linux/if_ether.h> /* For ETH_ALEN. */
41 MLX5_QP_FLAG_SIGNATURE = 1 << 0,
42 MLX5_QP_FLAG_SCATTER_CQE = 1 << 1,
46 MLX5_SRQ_FLAG_SIGNATURE = 1 << 0,
50 MLX5_WQ_FLAG_SIGNATURE = 1 << 0,
53 /* Increment this value if any changes that break userspace ABI
54 * compatibility are made.
56 #define MLX5_IB_UVERBS_ABI_VERSION 1
58 /* Make sure that all structs defined in this file remain laid out so
59 * that they pack the same way on 32-bit and 64-bit architectures (to
60 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
61 * In particular do not use pointer types -- pass pointers in __u64
65 struct mlx5_ib_alloc_ucontext_req {
66 __u32 total_num_bfregs;
67 __u32 num_low_latency_bfregs;
71 MLX5_LIB_CAP_4K_UAR = (__u64)1 << 0,
74 struct mlx5_ib_alloc_ucontext_req_v2 {
75 __u32 total_num_bfregs;
76 __u32 num_low_latency_bfregs;
86 enum mlx5_ib_alloc_ucontext_resp_mask {
87 MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0,
90 enum mlx5_user_cmds_supp_uhw {
91 MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE = 1 << 0,
92 MLX5_USER_CMDS_SUPP_UHW_CREATE_AH = 1 << 1,
95 /* The eth_min_inline response value is set to off-by-one vs the FW
96 * returned value to allow user-space to deal with older kernels.
98 enum mlx5_user_inline_mode {
99 MLX5_USER_INLINE_MODE_NA,
100 MLX5_USER_INLINE_MODE_NONE,
101 MLX5_USER_INLINE_MODE_L2,
102 MLX5_USER_INLINE_MODE_IP,
103 MLX5_USER_INLINE_MODE_TCP_UDP,
106 struct mlx5_ib_alloc_ucontext_resp {
110 __u32 cache_line_size;
111 __u16 max_sq_desc_sz;
112 __u16 max_rq_desc_sz;
113 __u32 max_send_wqebb;
115 __u32 max_srq_recv_wr;
119 __u32 response_length;
124 __u64 hca_core_clock_offset;
126 __u32 num_uars_per_page;
129 struct mlx5_ib_alloc_pd_resp {
133 struct mlx5_ib_tso_caps {
134 __u32 max_tso; /* Maximum tso payload size in bytes */
136 /* Corresponding bit will be set if qp type from
137 * 'enum ib_qp_type' is supported, e.g.
138 * supported_qpts |= 1 << IB_QPT_UD
140 __u32 supported_qpts;
143 struct mlx5_ib_rss_caps {
144 __u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */
145 __u8 rx_hash_function; /* enum mlx5_rx_hash_function_flags */
149 enum mlx5_ib_cqe_comp_res_format {
150 MLX5_IB_CQE_RES_FORMAT_HASH = 1 << 0,
151 MLX5_IB_CQE_RES_FORMAT_CSUM = 1 << 1,
152 MLX5_IB_CQE_RES_RESERVED = 1 << 2,
155 struct mlx5_ib_cqe_comp_caps {
157 __u32 supported_format; /* enum mlx5_ib_cqe_comp_res_format */
160 struct mlx5_packet_pacing_caps {
161 __u32 qp_rate_limit_min;
162 __u32 qp_rate_limit_max; /* In kpbs */
164 /* Corresponding bit will be set if qp type from
165 * 'enum ib_qp_type' is supported, e.g.
166 * supported_qpts |= 1 << IB_QPT_RAW_PACKET
168 __u32 supported_qpts;
172 enum mlx5_ib_mpw_caps {
173 MPW_RESERVED = 1 << 0,
174 MLX5_IB_ALLOW_MPW = 1 << 1,
175 MLX5_IB_SUPPORT_EMPW = 1 << 2,
178 enum mlx5_ib_sw_parsing_offloads {
179 MLX5_IB_SW_PARSING = 1 << 0,
180 MLX5_IB_SW_PARSING_CSUM = 1 << 1,
181 MLX5_IB_SW_PARSING_LSO = 1 << 2,
184 struct mlx5_ib_sw_parsing_caps {
185 __u32 sw_parsing_offloads; /* enum mlx5_ib_sw_parsing_offloads */
187 /* Corresponding bit will be set if qp type from
188 * 'enum ib_qp_type' is supported, e.g.
189 * supported_qpts |= 1 << IB_QPT_RAW_PACKET
191 __u32 supported_qpts;
194 struct mlx5_ib_query_device_resp {
196 __u32 response_length;
197 struct mlx5_ib_tso_caps tso_caps;
198 struct mlx5_ib_rss_caps rss_caps;
199 struct mlx5_ib_cqe_comp_caps cqe_comp_caps;
200 struct mlx5_packet_pacing_caps packet_pacing_caps;
201 __u32 mlx5_ib_support_multi_pkt_send_wqes;
203 struct mlx5_ib_sw_parsing_caps sw_parsing_caps;
206 struct mlx5_ib_create_cq {
211 __u8 cqe_comp_res_format;
212 __u16 reserved; /* explicit padding (optional on i386) */
215 struct mlx5_ib_create_cq_resp {
220 struct mlx5_ib_resize_cq {
227 struct mlx5_ib_create_srq {
231 __u32 reserved0; /* explicit padding (optional on i386) */
236 struct mlx5_ib_create_srq_resp {
241 struct mlx5_ib_create_qp {
253 /* RX Hash function flags */
254 enum mlx5_rx_hash_function_flags {
255 MLX5_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
259 * RX Hash flags, these flags allows to set which incoming packet's field should
260 * participates in RX Hash. Each flag represent certain packet's field,
261 * when the flag is set the field that is represented by the flag will
262 * participate in RX Hash calculation.
263 * Note: *IPV4 and *IPV6 flags can't be enabled together on the same QP
264 * and *TCP and *UDP flags can't be enabled together on the same QP.
266 enum mlx5_rx_hash_fields {
267 MLX5_RX_HASH_SRC_IPV4 = 1 << 0,
268 MLX5_RX_HASH_DST_IPV4 = 1 << 1,
269 MLX5_RX_HASH_SRC_IPV6 = 1 << 2,
270 MLX5_RX_HASH_DST_IPV6 = 1 << 3,
271 MLX5_RX_HASH_SRC_PORT_TCP = 1 << 4,
272 MLX5_RX_HASH_DST_PORT_TCP = 1 << 5,
273 MLX5_RX_HASH_SRC_PORT_UDP = 1 << 6,
274 MLX5_RX_HASH_DST_PORT_UDP = 1 << 7
277 struct mlx5_ib_create_qp_rss {
278 __u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */
279 __u8 rx_hash_function; /* enum mlx5_rx_hash_function_flags */
280 __u8 rx_key_len; /* valid only for Toeplitz */
282 __u8 rx_hash_key[128]; /* valid only for Toeplitz */
287 struct mlx5_ib_create_qp_resp {
291 struct mlx5_ib_alloc_mw {
298 struct mlx5_ib_create_wq {
309 struct mlx5_ib_create_ah_resp {
310 __u32 response_length;
315 struct mlx5_ib_create_wq_resp {
316 __u32 response_length;
320 struct mlx5_ib_create_rwq_ind_tbl_resp {
321 __u32 response_length;
325 struct mlx5_ib_modify_wq {
329 #endif /* MLX5_ABI_USER_H */