2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef MLX5_ABI_USER_H
34 #define MLX5_ABI_USER_H
36 #include <linux/types.h>
37 #include <linux/if_ether.h> /* For ETH_ALEN. */
40 MLX5_QP_FLAG_SIGNATURE
= 1 << 0,
41 MLX5_QP_FLAG_SCATTER_CQE
= 1 << 1,
45 MLX5_SRQ_FLAG_SIGNATURE
= 1 << 0,
49 MLX5_WQ_FLAG_SIGNATURE
= 1 << 0,
52 /* Increment this value if any changes that break userspace ABI
53 * compatibility are made.
55 #define MLX5_IB_UVERBS_ABI_VERSION 1
57 /* Make sure that all structs defined in this file remain laid out so
58 * that they pack the same way on 32-bit and 64-bit architectures (to
59 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
60 * In particular do not use pointer types -- pass pointers in __u64
64 struct mlx5_ib_alloc_ucontext_req
{
65 __u32 total_num_bfregs
;
66 __u32 num_low_latency_bfregs
;
70 MLX5_LIB_CAP_4K_UAR
= (__u64
)1 << 0,
73 struct mlx5_ib_alloc_ucontext_req_v2
{
74 __u32 total_num_bfregs
;
75 __u32 num_low_latency_bfregs
;
85 enum mlx5_ib_alloc_ucontext_resp_mask
{
86 MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET
= 1UL << 0,
89 enum mlx5_user_cmds_supp_uhw
{
90 MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE
= 1 << 0,
91 MLX5_USER_CMDS_SUPP_UHW_CREATE_AH
= 1 << 1,
94 /* The eth_min_inline response value is set to off-by-one vs the FW
95 * returned value to allow user-space to deal with older kernels.
97 enum mlx5_user_inline_mode
{
98 MLX5_USER_INLINE_MODE_NA
,
99 MLX5_USER_INLINE_MODE_NONE
,
100 MLX5_USER_INLINE_MODE_L2
,
101 MLX5_USER_INLINE_MODE_IP
,
102 MLX5_USER_INLINE_MODE_TCP_UDP
,
105 struct mlx5_ib_alloc_ucontext_resp
{
109 __u32 cache_line_size
;
110 __u16 max_sq_desc_sz
;
111 __u16 max_rq_desc_sz
;
112 __u32 max_send_wqebb
;
114 __u32 max_srq_recv_wr
;
118 __u32 response_length
;
123 __u64 hca_core_clock_offset
;
125 __u32 num_uars_per_page
;
128 struct mlx5_ib_alloc_pd_resp
{
132 struct mlx5_ib_tso_caps
{
133 __u32 max_tso
; /* Maximum tso payload size in bytes */
135 /* Corresponding bit will be set if qp type from
136 * 'enum ib_qp_type' is supported, e.g.
137 * supported_qpts |= 1 << IB_QPT_UD
139 __u32 supported_qpts
;
142 struct mlx5_ib_rss_caps
{
143 __u64 rx_hash_fields_mask
; /* enum mlx5_rx_hash_fields */
144 __u8 rx_hash_function
; /* enum mlx5_rx_hash_function_flags */
148 enum mlx5_ib_cqe_comp_res_format
{
149 MLX5_IB_CQE_RES_FORMAT_HASH
= 1 << 0,
150 MLX5_IB_CQE_RES_FORMAT_CSUM
= 1 << 1,
151 MLX5_IB_CQE_RES_RESERVED
= 1 << 2,
154 struct mlx5_ib_cqe_comp_caps
{
156 __u32 supported_format
; /* enum mlx5_ib_cqe_comp_res_format */
159 struct mlx5_packet_pacing_caps
{
160 __u32 qp_rate_limit_min
;
161 __u32 qp_rate_limit_max
; /* In kpbs */
163 /* Corresponding bit will be set if qp type from
164 * 'enum ib_qp_type' is supported, e.g.
165 * supported_qpts |= 1 << IB_QPT_RAW_PACKET
167 __u32 supported_qpts
;
171 enum mlx5_ib_mpw_caps
{
172 MPW_RESERVED
= 1 << 0,
173 MLX5_IB_ALLOW_MPW
= 1 << 1,
174 MLX5_IB_SUPPORT_EMPW
= 1 << 2,
177 enum mlx5_ib_sw_parsing_offloads
{
178 MLX5_IB_SW_PARSING
= 1 << 0,
179 MLX5_IB_SW_PARSING_CSUM
= 1 << 1,
180 MLX5_IB_SW_PARSING_LSO
= 1 << 2,
183 struct mlx5_ib_sw_parsing_caps
{
184 __u32 sw_parsing_offloads
; /* enum mlx5_ib_sw_parsing_offloads */
186 /* Corresponding bit will be set if qp type from
187 * 'enum ib_qp_type' is supported, e.g.
188 * supported_qpts |= 1 << IB_QPT_RAW_PACKET
190 __u32 supported_qpts
;
193 struct mlx5_ib_query_device_resp
{
195 __u32 response_length
;
196 struct mlx5_ib_tso_caps tso_caps
;
197 struct mlx5_ib_rss_caps rss_caps
;
198 struct mlx5_ib_cqe_comp_caps cqe_comp_caps
;
199 struct mlx5_packet_pacing_caps packet_pacing_caps
;
200 __u32 mlx5_ib_support_multi_pkt_send_wqes
;
202 struct mlx5_ib_sw_parsing_caps sw_parsing_caps
;
205 struct mlx5_ib_create_cq
{
210 __u8 cqe_comp_res_format
;
211 __u16 reserved
; /* explicit padding (optional on i386) */
214 struct mlx5_ib_create_cq_resp
{
219 struct mlx5_ib_resize_cq
{
226 struct mlx5_ib_create_srq
{
230 __u32 reserved0
; /* explicit padding (optional on i386) */
235 struct mlx5_ib_create_srq_resp
{
240 struct mlx5_ib_create_qp
{
252 /* RX Hash function flags */
253 enum mlx5_rx_hash_function_flags
{
254 MLX5_RX_HASH_FUNC_TOEPLITZ
= 1 << 0,
258 * RX Hash flags, these flags allows to set which incoming packet's field should
259 * participates in RX Hash. Each flag represent certain packet's field,
260 * when the flag is set the field that is represented by the flag will
261 * participate in RX Hash calculation.
262 * Note: *IPV4 and *IPV6 flags can't be enabled together on the same QP
263 * and *TCP and *UDP flags can't be enabled together on the same QP.
265 enum mlx5_rx_hash_fields
{
266 MLX5_RX_HASH_SRC_IPV4
= 1 << 0,
267 MLX5_RX_HASH_DST_IPV4
= 1 << 1,
268 MLX5_RX_HASH_SRC_IPV6
= 1 << 2,
269 MLX5_RX_HASH_DST_IPV6
= 1 << 3,
270 MLX5_RX_HASH_SRC_PORT_TCP
= 1 << 4,
271 MLX5_RX_HASH_DST_PORT_TCP
= 1 << 5,
272 MLX5_RX_HASH_SRC_PORT_UDP
= 1 << 6,
273 MLX5_RX_HASH_DST_PORT_UDP
= 1 << 7
276 struct mlx5_ib_create_qp_rss
{
277 __u64 rx_hash_fields_mask
; /* enum mlx5_rx_hash_fields */
278 __u8 rx_hash_function
; /* enum mlx5_rx_hash_function_flags */
279 __u8 rx_key_len
; /* valid only for Toeplitz */
281 __u8 rx_hash_key
[128]; /* valid only for Toeplitz */
286 struct mlx5_ib_create_qp_resp
{
290 struct mlx5_ib_alloc_mw
{
297 struct mlx5_ib_create_wq
{
308 struct mlx5_ib_create_ah_resp
{
309 __u32 response_length
;
314 struct mlx5_ib_create_wq_resp
{
315 __u32 response_length
;
319 struct mlx5_ib_create_rwq_ind_tbl_resp
{
320 __u32 response_length
;
324 struct mlx5_ib_modify_wq
{
328 #endif /* MLX5_ABI_USER_H */