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e2be04c7 | 1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ |
e126ba97 | 2 | /* |
6cf0a15f | 3 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
e126ba97 EC |
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 | ||
3085e29e LR |
34 | #ifndef MLX5_ABI_USER_H |
35 | #define MLX5_ABI_USER_H | |
e126ba97 EC |
36 | |
37 | #include <linux/types.h> | |
812755d6 | 38 | #include <linux/if_ether.h> /* For ETH_ALEN. */ |
e126ba97 EC |
39 | |
40 | enum { | |
41 | MLX5_QP_FLAG_SIGNATURE = 1 << 0, | |
42 | MLX5_QP_FLAG_SCATTER_CQE = 1 << 1, | |
43 | }; | |
44 | ||
45 | enum { | |
46 | MLX5_SRQ_FLAG_SIGNATURE = 1 << 0, | |
47 | }; | |
48 | ||
79b20a6c YH |
49 | enum { |
50 | MLX5_WQ_FLAG_SIGNATURE = 1 << 0, | |
51 | }; | |
52 | ||
e126ba97 EC |
53 | /* Increment this value if any changes that break userspace ABI |
54 | * compatibility are made. | |
55 | */ | |
56 | #define MLX5_IB_UVERBS_ABI_VERSION 1 | |
57 | ||
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 | |
62 | * instead. | |
63 | */ | |
64 | ||
65 | struct mlx5_ib_alloc_ucontext_req { | |
2f5ff264 EC |
66 | __u32 total_num_bfregs; |
67 | __u32 num_low_latency_bfregs; | |
e126ba97 EC |
68 | }; |
69 | ||
30aa60b3 | 70 | enum mlx5_lib_caps { |
812755d6 | 71 | MLX5_LIB_CAP_4K_UAR = (__u64)1 << 0, |
30aa60b3 EC |
72 | }; |
73 | ||
78c0f98c | 74 | struct mlx5_ib_alloc_ucontext_req_v2 { |
2f5ff264 EC |
75 | __u32 total_num_bfregs; |
76 | __u32 num_low_latency_bfregs; | |
78c0f98c | 77 | __u32 flags; |
b368d7cb | 78 | __u32 comp_mask; |
f72300c5 HA |
79 | __u8 max_cqe_version; |
80 | __u8 reserved0; | |
81 | __u16 reserved1; | |
82 | __u32 reserved2; | |
30aa60b3 | 83 | __u64 lib_caps; |
b368d7cb MB |
84 | }; |
85 | ||
86 | enum mlx5_ib_alloc_ucontext_resp_mask { | |
87 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0, | |
78c0f98c EC |
88 | }; |
89 | ||
402ca536 BW |
90 | enum mlx5_user_cmds_supp_uhw { |
91 | MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE = 1 << 0, | |
6ad279c5 | 92 | MLX5_USER_CMDS_SUPP_UHW_CREATE_AH = 1 << 1, |
402ca536 BW |
93 | }; |
94 | ||
78984898 OG |
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. | |
97 | */ | |
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, | |
104 | }; | |
105 | ||
e126ba97 EC |
106 | struct mlx5_ib_alloc_ucontext_resp { |
107 | __u32 qp_tab_size; | |
108 | __u32 bf_reg_size; | |
2f5ff264 | 109 | __u32 tot_bfregs; |
e126ba97 EC |
110 | __u32 cache_line_size; |
111 | __u16 max_sq_desc_sz; | |
112 | __u16 max_rq_desc_sz; | |
113 | __u32 max_send_wqebb; | |
114 | __u32 max_recv_wr; | |
115 | __u32 max_srq_recv_wr; | |
116 | __u16 num_ports; | |
b368d7cb MB |
117 | __u16 reserved1; |
118 | __u32 comp_mask; | |
119 | __u32 response_length; | |
f72300c5 | 120 | __u8 cqe_version; |
402ca536 | 121 | __u8 cmds_supp_uhw; |
78984898 OG |
122 | __u8 eth_min_inline; |
123 | __u8 reserved2; | |
b368d7cb | 124 | __u64 hca_core_clock_offset; |
30aa60b3 EC |
125 | __u32 log_uar_size; |
126 | __u32 num_uars_per_page; | |
e126ba97 EC |
127 | }; |
128 | ||
129 | struct mlx5_ib_alloc_pd_resp { | |
130 | __u32 pdn; | |
131 | }; | |
132 | ||
402ca536 BW |
133 | struct mlx5_ib_tso_caps { |
134 | __u32 max_tso; /* Maximum tso payload size in bytes */ | |
135 | ||
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 | |
139 | */ | |
140 | __u32 supported_qpts; | |
141 | }; | |
142 | ||
31f69a82 YH |
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 */ | |
146 | __u8 reserved[7]; | |
147 | }; | |
148 | ||
7e43a2a5 BW |
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, | |
153 | }; | |
154 | ||
155 | struct mlx5_ib_cqe_comp_caps { | |
156 | __u32 max_num; | |
157 | __u32 supported_format; /* enum mlx5_ib_cqe_comp_res_format */ | |
158 | }; | |
159 | ||
d949167d BW |
160 | struct mlx5_packet_pacing_caps { |
161 | __u32 qp_rate_limit_min; | |
162 | __u32 qp_rate_limit_max; /* In kpbs */ | |
163 | ||
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 | |
167 | */ | |
168 | __u32 supported_qpts; | |
169 | __u32 reserved; | |
170 | }; | |
171 | ||
795b609c BW |
172 | enum mlx5_ib_mpw_caps { |
173 | MPW_RESERVED = 1 << 0, | |
174 | MLX5_IB_ALLOW_MPW = 1 << 1, | |
050da902 | 175 | MLX5_IB_SUPPORT_EMPW = 1 << 2, |
795b609c BW |
176 | }; |
177 | ||
96dc3fc5 NO |
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, | |
182 | }; | |
183 | ||
184 | struct mlx5_ib_sw_parsing_caps { | |
185 | __u32 sw_parsing_offloads; /* enum mlx5_ib_sw_parsing_offloads */ | |
186 | ||
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 | |
190 | */ | |
191 | __u32 supported_qpts; | |
192 | }; | |
193 | ||
402ca536 BW |
194 | struct mlx5_ib_query_device_resp { |
195 | __u32 comp_mask; | |
196 | __u32 response_length; | |
197 | struct mlx5_ib_tso_caps tso_caps; | |
31f69a82 | 198 | struct mlx5_ib_rss_caps rss_caps; |
7e43a2a5 | 199 | struct mlx5_ib_cqe_comp_caps cqe_comp_caps; |
d949167d | 200 | struct mlx5_packet_pacing_caps packet_pacing_caps; |
191ded4a BW |
201 | __u32 mlx5_ib_support_multi_pkt_send_wqes; |
202 | __u32 reserved; | |
96dc3fc5 | 203 | struct mlx5_ib_sw_parsing_caps sw_parsing_caps; |
402ca536 BW |
204 | }; |
205 | ||
e126ba97 EC |
206 | struct mlx5_ib_create_cq { |
207 | __u64 buf_addr; | |
208 | __u64 db_addr; | |
209 | __u32 cqe_size; | |
1cbe6fc8 BW |
210 | __u8 cqe_comp_en; |
211 | __u8 cqe_comp_res_format; | |
212 | __u16 reserved; /* explicit padding (optional on i386) */ | |
e126ba97 EC |
213 | }; |
214 | ||
215 | struct mlx5_ib_create_cq_resp { | |
216 | __u32 cqn; | |
217 | __u32 reserved; | |
218 | }; | |
219 | ||
220 | struct mlx5_ib_resize_cq { | |
221 | __u64 buf_addr; | |
bde51583 EC |
222 | __u16 cqe_size; |
223 | __u16 reserved0; | |
224 | __u32 reserved1; | |
e126ba97 EC |
225 | }; |
226 | ||
227 | struct mlx5_ib_create_srq { | |
228 | __u64 buf_addr; | |
229 | __u64 db_addr; | |
230 | __u32 flags; | |
cfb5e088 HA |
231 | __u32 reserved0; /* explicit padding (optional on i386) */ |
232 | __u32 uidx; | |
233 | __u32 reserved1; | |
e126ba97 EC |
234 | }; |
235 | ||
236 | struct mlx5_ib_create_srq_resp { | |
237 | __u32 srqn; | |
238 | __u32 reserved; | |
239 | }; | |
240 | ||
241 | struct mlx5_ib_create_qp { | |
242 | __u64 buf_addr; | |
243 | __u64 db_addr; | |
244 | __u32 sq_wqe_count; | |
245 | __u32 rq_wqe_count; | |
246 | __u32 rq_wqe_shift; | |
247 | __u32 flags; | |
cfb5e088 HA |
248 | __u32 uidx; |
249 | __u32 reserved0; | |
0fb2ed66 | 250 | __u64 sq_buf_addr; |
e126ba97 EC |
251 | }; |
252 | ||
28d61370 YH |
253 | /* RX Hash function flags */ |
254 | enum mlx5_rx_hash_function_flags { | |
255 | MLX5_RX_HASH_FUNC_TOEPLITZ = 1 << 0, | |
256 | }; | |
257 | ||
258 | /* | |
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. | |
265 | */ | |
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 | |
275 | }; | |
276 | ||
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 */ | |
281 | __u8 reserved[6]; | |
282 | __u8 rx_hash_key[128]; /* valid only for Toeplitz */ | |
283 | __u32 comp_mask; | |
284 | __u32 reserved1; | |
285 | }; | |
286 | ||
e126ba97 | 287 | struct mlx5_ib_create_qp_resp { |
2f5ff264 | 288 | __u32 bfreg_index; |
e126ba97 | 289 | }; |
cfb5e088 | 290 | |
d2370e0a MB |
291 | struct mlx5_ib_alloc_mw { |
292 | __u32 comp_mask; | |
293 | __u8 num_klms; | |
294 | __u8 reserved1; | |
295 | __u16 reserved2; | |
296 | }; | |
297 | ||
79b20a6c YH |
298 | struct mlx5_ib_create_wq { |
299 | __u64 buf_addr; | |
300 | __u64 db_addr; | |
301 | __u32 rq_wqe_count; | |
302 | __u32 rq_wqe_shift; | |
303 | __u32 user_index; | |
304 | __u32 flags; | |
305 | __u32 comp_mask; | |
306 | __u32 reserved; | |
307 | }; | |
308 | ||
5097e71f MS |
309 | struct mlx5_ib_create_ah_resp { |
310 | __u32 response_length; | |
311 | __u8 dmac[ETH_ALEN]; | |
312 | __u8 reserved[6]; | |
313 | }; | |
314 | ||
79b20a6c YH |
315 | struct mlx5_ib_create_wq_resp { |
316 | __u32 response_length; | |
317 | __u32 reserved; | |
318 | }; | |
319 | ||
c5f90929 YH |
320 | struct mlx5_ib_create_rwq_ind_tbl_resp { |
321 | __u32 response_length; | |
322 | __u32 reserved; | |
323 | }; | |
324 | ||
79b20a6c YH |
325 | struct mlx5_ib_modify_wq { |
326 | __u32 comp_mask; | |
327 | __u32 reserved; | |
328 | }; | |
3085e29e | 329 | #endif /* MLX5_ABI_USER_H */ |