1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
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. */
39 #include <rdma/ib_user_ioctl_verbs.h>
42 MLX5_QP_FLAG_SIGNATURE = 1 << 0,
43 MLX5_QP_FLAG_SCATTER_CQE = 1 << 1,
44 MLX5_QP_FLAG_TUNNEL_OFFLOADS = 1 << 2,
45 MLX5_QP_FLAG_BFREG_INDEX = 1 << 3,
46 MLX5_QP_FLAG_TYPE_DCT = 1 << 4,
47 MLX5_QP_FLAG_TYPE_DCI = 1 << 5,
51 MLX5_SRQ_FLAG_SIGNATURE = 1 << 0,
55 MLX5_WQ_FLAG_SIGNATURE = 1 << 0,
58 /* Increment this value if any changes that break userspace ABI
59 * compatibility are made.
61 #define MLX5_IB_UVERBS_ABI_VERSION 1
63 /* Make sure that all structs defined in this file remain laid out so
64 * that they pack the same way on 32-bit and 64-bit architectures (to
65 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
66 * In particular do not use pointer types -- pass pointers in __u64
70 struct mlx5_ib_alloc_ucontext_req {
71 __u32 total_num_bfregs;
72 __u32 num_low_latency_bfregs;
76 MLX5_LIB_CAP_4K_UAR = (__u64)1 << 0,
79 struct mlx5_ib_alloc_ucontext_req_v2 {
80 __u32 total_num_bfregs;
81 __u32 num_low_latency_bfregs;
88 __aligned_u64 lib_caps;
91 enum mlx5_ib_alloc_ucontext_resp_mask {
92 MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0,
95 enum mlx5_user_cmds_supp_uhw {
96 MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE = 1 << 0,
97 MLX5_USER_CMDS_SUPP_UHW_CREATE_AH = 1 << 1,
100 /* The eth_min_inline response value is set to off-by-one vs the FW
101 * returned value to allow user-space to deal with older kernels.
103 enum mlx5_user_inline_mode {
104 MLX5_USER_INLINE_MODE_NA,
105 MLX5_USER_INLINE_MODE_NONE,
106 MLX5_USER_INLINE_MODE_L2,
107 MLX5_USER_INLINE_MODE_IP,
108 MLX5_USER_INLINE_MODE_TCP_UDP,
112 MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM = 1 << 0,
113 MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA = 1 << 1,
114 MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING = 1 << 2,
115 MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD = 1 << 3,
116 MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN = 1 << 4,
119 struct mlx5_ib_alloc_ucontext_resp {
123 __u32 cache_line_size;
124 __u16 max_sq_desc_sz;
125 __u16 max_rq_desc_sz;
126 __u32 max_send_wqebb;
128 __u32 max_srq_recv_wr;
130 __u16 flow_action_flags;
132 __u32 response_length;
136 __u8 clock_info_versions;
137 __aligned_u64 hca_core_clock_offset;
139 __u32 num_uars_per_page;
140 __u32 num_dyn_bfregs;
144 struct mlx5_ib_alloc_pd_resp {
148 struct mlx5_ib_tso_caps {
149 __u32 max_tso; /* Maximum tso payload size in bytes */
151 /* Corresponding bit will be set if qp type from
152 * 'enum ib_qp_type' is supported, e.g.
153 * supported_qpts |= 1 << IB_QPT_UD
155 __u32 supported_qpts;
158 struct mlx5_ib_rss_caps {
159 __aligned_u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */
160 __u8 rx_hash_function; /* enum mlx5_rx_hash_function_flags */
164 enum mlx5_ib_cqe_comp_res_format {
165 MLX5_IB_CQE_RES_FORMAT_HASH = 1 << 0,
166 MLX5_IB_CQE_RES_FORMAT_CSUM = 1 << 1,
167 MLX5_IB_CQE_RES_FORMAT_CSUM_STRIDX = 1 << 2,
170 struct mlx5_ib_cqe_comp_caps {
172 __u32 supported_format; /* enum mlx5_ib_cqe_comp_res_format */
175 enum mlx5_ib_packet_pacing_cap_flags {
176 MLX5_IB_PP_SUPPORT_BURST = 1 << 0,
179 struct mlx5_packet_pacing_caps {
180 __u32 qp_rate_limit_min;
181 __u32 qp_rate_limit_max; /* In kpbs */
183 /* Corresponding bit will be set if qp type from
184 * 'enum ib_qp_type' is supported, e.g.
185 * supported_qpts |= 1 << IB_QPT_RAW_PACKET
187 __u32 supported_qpts;
188 __u8 cap_flags; /* enum mlx5_ib_packet_pacing_cap_flags */
192 enum mlx5_ib_mpw_caps {
193 MPW_RESERVED = 1 << 0,
194 MLX5_IB_ALLOW_MPW = 1 << 1,
195 MLX5_IB_SUPPORT_EMPW = 1 << 2,
198 enum mlx5_ib_sw_parsing_offloads {
199 MLX5_IB_SW_PARSING = 1 << 0,
200 MLX5_IB_SW_PARSING_CSUM = 1 << 1,
201 MLX5_IB_SW_PARSING_LSO = 1 << 2,
204 struct mlx5_ib_sw_parsing_caps {
205 __u32 sw_parsing_offloads; /* enum mlx5_ib_sw_parsing_offloads */
207 /* Corresponding bit will be set if qp type from
208 * 'enum ib_qp_type' is supported, e.g.
209 * supported_qpts |= 1 << IB_QPT_RAW_PACKET
211 __u32 supported_qpts;
214 struct mlx5_ib_striding_rq_caps {
215 __u32 min_single_stride_log_num_of_bytes;
216 __u32 max_single_stride_log_num_of_bytes;
217 __u32 min_single_wqe_log_num_of_strides;
218 __u32 max_single_wqe_log_num_of_strides;
220 /* Corresponding bit will be set if qp type from
221 * 'enum ib_qp_type' is supported, e.g.
222 * supported_qpts |= 1 << IB_QPT_RAW_PACKET
224 __u32 supported_qpts;
228 enum mlx5_ib_query_dev_resp_flags {
229 /* Support 128B CQE compression */
230 MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP = 1 << 0,
231 MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD = 1 << 1,
234 enum mlx5_ib_tunnel_offloads {
235 MLX5_IB_TUNNELED_OFFLOADS_VXLAN = 1 << 0,
236 MLX5_IB_TUNNELED_OFFLOADS_GRE = 1 << 1,
237 MLX5_IB_TUNNELED_OFFLOADS_GENEVE = 1 << 2,
238 MLX5_IB_TUNNELED_OFFLOADS_MPLS_GRE = 1 << 3,
239 MLX5_IB_TUNNELED_OFFLOADS_MPLS_UDP = 1 << 4,
242 struct mlx5_ib_query_device_resp {
244 __u32 response_length;
245 struct mlx5_ib_tso_caps tso_caps;
246 struct mlx5_ib_rss_caps rss_caps;
247 struct mlx5_ib_cqe_comp_caps cqe_comp_caps;
248 struct mlx5_packet_pacing_caps packet_pacing_caps;
249 __u32 mlx5_ib_support_multi_pkt_send_wqes;
250 __u32 flags; /* Use enum mlx5_ib_query_dev_resp_flags */
251 struct mlx5_ib_sw_parsing_caps sw_parsing_caps;
252 struct mlx5_ib_striding_rq_caps striding_rq_caps;
253 __u32 tunnel_offloads_caps; /* enum mlx5_ib_tunnel_offloads */
257 enum mlx5_ib_create_cq_flags {
258 MLX5_IB_CREATE_CQ_FLAGS_CQE_128B_PAD = 1 << 0,
261 struct mlx5_ib_create_cq {
262 __aligned_u64 buf_addr;
263 __aligned_u64 db_addr;
266 __u8 cqe_comp_res_format;
270 struct mlx5_ib_create_cq_resp {
275 struct mlx5_ib_resize_cq {
276 __aligned_u64 buf_addr;
282 struct mlx5_ib_create_srq {
283 __aligned_u64 buf_addr;
284 __aligned_u64 db_addr;
286 __u32 reserved0; /* explicit padding (optional on i386) */
291 struct mlx5_ib_create_srq_resp {
296 struct mlx5_ib_create_qp {
297 __aligned_u64 buf_addr;
298 __aligned_u64 db_addr;
306 __aligned_u64 sq_buf_addr;
307 __aligned_u64 access_key;
311 /* RX Hash function flags */
312 enum mlx5_rx_hash_function_flags {
313 MLX5_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
317 * RX Hash flags, these flags allows to set which incoming packet's field should
318 * participates in RX Hash. Each flag represent certain packet's field,
319 * when the flag is set the field that is represented by the flag will
320 * participate in RX Hash calculation.
321 * Note: *IPV4 and *IPV6 flags can't be enabled together on the same QP
322 * and *TCP and *UDP flags can't be enabled together on the same QP.
324 enum mlx5_rx_hash_fields {
325 MLX5_RX_HASH_SRC_IPV4 = 1 << 0,
326 MLX5_RX_HASH_DST_IPV4 = 1 << 1,
327 MLX5_RX_HASH_SRC_IPV6 = 1 << 2,
328 MLX5_RX_HASH_DST_IPV6 = 1 << 3,
329 MLX5_RX_HASH_SRC_PORT_TCP = 1 << 4,
330 MLX5_RX_HASH_DST_PORT_TCP = 1 << 5,
331 MLX5_RX_HASH_SRC_PORT_UDP = 1 << 6,
332 MLX5_RX_HASH_DST_PORT_UDP = 1 << 7,
333 MLX5_RX_HASH_IPSEC_SPI = 1 << 8,
334 /* Save bits for future fields */
335 MLX5_RX_HASH_INNER = (1UL << 31),
338 struct mlx5_ib_create_qp_rss {
339 __aligned_u64 rx_hash_fields_mask; /* enum mlx5_rx_hash_fields */
340 __u8 rx_hash_function; /* enum mlx5_rx_hash_function_flags */
341 __u8 rx_key_len; /* valid only for Toeplitz */
343 __u8 rx_hash_key[128]; /* valid only for Toeplitz */
348 struct mlx5_ib_create_qp_resp {
353 struct mlx5_ib_alloc_mw {
360 enum mlx5_ib_create_wq_mask {
361 MLX5_IB_CREATE_WQ_STRIDING_RQ = (1 << 0),
364 struct mlx5_ib_create_wq {
365 __aligned_u64 buf_addr;
366 __aligned_u64 db_addr;
372 __u32 single_stride_log_num_of_bytes;
373 __u32 single_wqe_log_num_of_strides;
374 __u32 two_byte_shift_en;
377 struct mlx5_ib_create_ah_resp {
378 __u32 response_length;
383 struct mlx5_ib_burst_info {
385 __u16 typical_pkt_sz;
389 struct mlx5_ib_modify_qp {
391 struct mlx5_ib_burst_info burst_info;
395 struct mlx5_ib_modify_qp_resp {
396 __u32 response_length;
400 struct mlx5_ib_create_wq_resp {
401 __u32 response_length;
405 struct mlx5_ib_create_rwq_ind_tbl_resp {
406 __u32 response_length;
410 struct mlx5_ib_modify_wq {
415 struct mlx5_ib_clock_info {
419 __aligned_u64 cycles;
424 __aligned_u64 overflow_period;
427 enum mlx5_ib_mmap_cmd {
428 MLX5_IB_MMAP_REGULAR_PAGE = 0,
429 MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES = 1,
430 MLX5_IB_MMAP_WC_PAGE = 2,
431 MLX5_IB_MMAP_NC_PAGE = 3,
432 /* 5 is chosen in order to be compatible with old versions of libmlx5 */
433 MLX5_IB_MMAP_CORE_CLOCK = 5,
434 MLX5_IB_MMAP_ALLOC_WC = 6,
435 MLX5_IB_MMAP_CLOCK_INFO = 7,
436 MLX5_IB_MMAP_DEVICE_MEM = 8,
440 MLX5_IB_CLOCK_INFO_KERNEL_UPDATING = 1,
443 /* Bit indexes for the mlx5_alloc_ucontext_resp.clock_info_versions bitmap */
445 MLX5_IB_CLOCK_INFO_V1 = 0,
448 struct mlx5_ib_flow_counters_desc {
453 struct mlx5_ib_flow_counters_data {
454 RDMA_UAPI_PTR(struct mlx5_ib_flow_counters_desc *, counters_data);
459 struct mlx5_ib_create_flow {
460 __u32 ncounters_data;
463 * Following are counters data based on ncounters_data, each
464 * entry in the data[] should match a corresponding counter object
465 * that was pointed by a counters spec upon the flow creation
467 struct mlx5_ib_flow_counters_data data[];
470 #endif /* MLX5_ABI_USER_H */