1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
2/*
3 * Copyright (c) 2017-2018, Mellanox Technologies inc. All rights reserved.
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
34#ifndef IB_USER_IOCTL_VERBS_H
35#define IB_USER_IOCTL_VERBS_H
36
37#include <linux/types.h>
38#include <rdma/ib_user_verbs.h>
39
40#ifndef RDMA_UAPI_PTR
41#define RDMA_UAPI_PTR(_type, _name) __aligned_u64 _name
42#endif
43
44#define IB_UVERBS_ACCESS_OPTIONAL_FIRST (1 << 20)
45#define IB_UVERBS_ACCESS_OPTIONAL_LAST (1 << 29)
46
47enum ib_uverbs_core_support {
48 IB_UVERBS_CORE_SUPPORT_OPTIONAL_MR_ACCESS = 1 << 0,
49 IB_UVERBS_CORE_SUPPORT_ROBUST_UDATA = 1 << 1,
50};
51
52enum ib_uverbs_access_flags {
53 IB_UVERBS_ACCESS_LOCAL_WRITE = 1 << 0,
54 IB_UVERBS_ACCESS_REMOTE_WRITE = 1 << 1,
55 IB_UVERBS_ACCESS_REMOTE_READ = 1 << 2,
56 IB_UVERBS_ACCESS_REMOTE_ATOMIC = 1 << 3,
57 IB_UVERBS_ACCESS_MW_BIND = 1 << 4,
58 IB_UVERBS_ACCESS_ZERO_BASED = 1 << 5,
59 IB_UVERBS_ACCESS_ON_DEMAND = 1 << 6,
60 IB_UVERBS_ACCESS_HUGETLB = 1 << 7,
61 IB_UVERBS_ACCESS_FLUSH_GLOBAL = 1 << 8,
62 IB_UVERBS_ACCESS_FLUSH_PERSISTENT = 1 << 9,
63
64 IB_UVERBS_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_OPTIONAL_FIRST,
65 IB_UVERBS_ACCESS_OPTIONAL_RANGE =
66 ((IB_UVERBS_ACCESS_OPTIONAL_LAST << 1) - 1) &
67 ~(IB_UVERBS_ACCESS_OPTIONAL_FIRST - 1)
68};
69
70enum ib_uverbs_srq_type {
71 IB_UVERBS_SRQT_BASIC,
72 IB_UVERBS_SRQT_XRC,
73 IB_UVERBS_SRQT_TM,
74};
75
76enum ib_uverbs_wq_type {
77 IB_UVERBS_WQT_RQ,
78};
79
80enum ib_uverbs_wq_flags {
81 IB_UVERBS_WQ_FLAGS_CVLAN_STRIPPING = 1 << 0,
82 IB_UVERBS_WQ_FLAGS_SCATTER_FCS = 1 << 1,
83 IB_UVERBS_WQ_FLAGS_DELAY_DROP = 1 << 2,
84 IB_UVERBS_WQ_FLAGS_PCI_WRITE_END_PADDING = 1 << 3,
85};
86
87enum ib_uverbs_qp_type {
88 IB_UVERBS_QPT_RC = 2,
89 IB_UVERBS_QPT_UC,
90 IB_UVERBS_QPT_UD,
91 IB_UVERBS_QPT_RAW_PACKET = 8,
92 IB_UVERBS_QPT_XRC_INI,
93 IB_UVERBS_QPT_XRC_TGT,
94 IB_UVERBS_QPT_DRIVER = 0xFF,
95};
96
97enum ib_uverbs_qp_create_flags {
98 IB_UVERBS_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
99 IB_UVERBS_QP_CREATE_SCATTER_FCS = 1 << 8,
100 IB_UVERBS_QP_CREATE_CVLAN_STRIPPING = 1 << 9,
101 IB_UVERBS_QP_CREATE_PCI_WRITE_END_PADDING = 1 << 11,
102 IB_UVERBS_QP_CREATE_SQ_SIG_ALL = 1 << 12,
103};
104
105enum ib_uverbs_query_port_cap_flags {
106 IB_UVERBS_PCF_SM = 1 << 1,
107 IB_UVERBS_PCF_NOTICE_SUP = 1 << 2,
108 IB_UVERBS_PCF_TRAP_SUP = 1 << 3,
109 IB_UVERBS_PCF_OPT_IPD_SUP = 1 << 4,
110 IB_UVERBS_PCF_AUTO_MIGR_SUP = 1 << 5,
111 IB_UVERBS_PCF_SL_MAP_SUP = 1 << 6,
112 IB_UVERBS_PCF_MKEY_NVRAM = 1 << 7,
113 IB_UVERBS_PCF_PKEY_NVRAM = 1 << 8,
114 IB_UVERBS_PCF_LED_INFO_SUP = 1 << 9,
115 IB_UVERBS_PCF_SM_DISABLED = 1 << 10,
116 IB_UVERBS_PCF_SYS_IMAGE_GUID_SUP = 1 << 11,
117 IB_UVERBS_PCF_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
118 IB_UVERBS_PCF_EXTENDED_SPEEDS_SUP = 1 << 14,
119 IB_UVERBS_PCF_CM_SUP = 1 << 16,
120 IB_UVERBS_PCF_SNMP_TUNNEL_SUP = 1 << 17,
121 IB_UVERBS_PCF_REINIT_SUP = 1 << 18,
122 IB_UVERBS_PCF_DEVICE_MGMT_SUP = 1 << 19,
123 IB_UVERBS_PCF_VENDOR_CLASS_SUP = 1 << 20,
124 IB_UVERBS_PCF_DR_NOTICE_SUP = 1 << 21,
125 IB_UVERBS_PCF_CAP_MASK_NOTICE_SUP = 1 << 22,
126 IB_UVERBS_PCF_BOOT_MGMT_SUP = 1 << 23,
127 IB_UVERBS_PCF_LINK_LATENCY_SUP = 1 << 24,
128 IB_UVERBS_PCF_CLIENT_REG_SUP = 1 << 25,
129 /*
130 * IsOtherLocalChangesNoticeSupported is aliased by IP_BASED_GIDS and
131 * is inaccessible
132 */
133 IB_UVERBS_PCF_LINK_SPEED_WIDTH_TABLE_SUP = 1 << 27,
134 IB_UVERBS_PCF_VENDOR_SPECIFIC_MADS_TABLE_SUP = 1 << 28,
135 IB_UVERBS_PCF_MCAST_PKEY_TRAP_SUPPRESSION_SUP = 1 << 29,
136 IB_UVERBS_PCF_MCAST_FDB_TOP_SUP = 1 << 30,
137 IB_UVERBS_PCF_HIERARCHY_INFO_SUP = 1ULL << 31,
138
139 /* NOTE this is an internal flag, not an IBA flag */
140 IB_UVERBS_PCF_IP_BASED_GIDS = 1 << 26,
141};
142
143enum ib_uverbs_query_port_flags {
144 IB_UVERBS_QPF_GRH_REQUIRED = 1 << 0,
145};
146
147enum ib_uverbs_flow_action_esp_keymat {
148 IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM,
149};
150
151enum ib_uverbs_flow_action_esp_keymat_aes_gcm_iv_algo {
152 IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ,
153};
154
155struct ib_uverbs_flow_action_esp_keymat_aes_gcm {
156 __aligned_u64 iv;
157 __u32 iv_algo; /* Use enum ib_uverbs_flow_action_esp_keymat_aes_gcm_iv_algo */
158
159 __u32 salt;
160 __u32 icv_len;
161
162 __u32 key_len;
163 __u32 aes_key[256 / 32];
164};
165
166enum ib_uverbs_flow_action_esp_replay {
167 IB_UVERBS_FLOW_ACTION_ESP_REPLAY_NONE,
168 IB_UVERBS_FLOW_ACTION_ESP_REPLAY_BMP,
169};
170
171struct ib_uverbs_flow_action_esp_replay_bmp {
172 __u32 size;
173};
174
175enum ib_uverbs_flow_action_esp_flags {
176 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_INLINE_CRYPTO = 0UL << 0, /* Default */
177 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_FULL_OFFLOAD = 1UL << 0,
178
179 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_TUNNEL = 0UL << 1, /* Default */
180 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_TRANSPORT = 1UL << 1,
181
182 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_DECRYPT = 0UL << 2, /* Default */
183 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT = 1UL << 2,
184
185 IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW = 1UL << 3,
186};
187
188struct ib_uverbs_flow_action_esp_encap {
189 /* This struct represents a list of pointers to flow_xxxx_filter that
190 * encapsulates the payload in ESP tunnel mode.
191 */
192 RDMA_UAPI_PTR(void *, val_ptr); /* pointer to a flow_xxxx_filter */
193 RDMA_UAPI_PTR(struct ib_uverbs_flow_action_esp_encap *, next_ptr);
194 __u16 len; /* Len of the filter struct val_ptr points to */
195 __u16 type; /* Use flow_spec_type enum */
196};
197
198struct ib_uverbs_flow_action_esp {
199 __u32 spi;
200 __u32 seq;
201 __u32 tfc_pad;
202 __u32 flags;
203 __aligned_u64 hard_limit_pkts;
204};
205
206enum ib_uverbs_read_counters_flags {
207 /* prefer read values from driver cache */
208 IB_UVERBS_READ_COUNTERS_PREFER_CACHED = 1 << 0,
209};
210
211enum ib_uverbs_advise_mr_advice {
212 IB_UVERBS_ADVISE_MR_ADVICE_PREFETCH,
213 IB_UVERBS_ADVISE_MR_ADVICE_PREFETCH_WRITE,
214 IB_UVERBS_ADVISE_MR_ADVICE_PREFETCH_NO_FAULT,
215};
216
217enum ib_uverbs_advise_mr_flag {
218 IB_UVERBS_ADVISE_MR_FLAG_FLUSH = 1 << 0,
219};
220
221struct ib_uverbs_query_port_resp_ex {
222 struct ib_uverbs_query_port_resp legacy_resp;
223 __u16 port_cap_flags2;
224 __u8 reserved[2];
225 __u32 active_speed_ex;
226};
227
228struct ib_uverbs_qp_cap {
229 __u32 max_send_wr;
230 __u32 max_recv_wr;
231 __u32 max_send_sge;
232 __u32 max_recv_sge;
233 __u32 max_inline_data;
234};
235
236enum rdma_driver_id {
237 RDMA_DRIVER_UNKNOWN,
238 RDMA_DRIVER_MLX5,
239 RDMA_DRIVER_MLX4,
240 RDMA_DRIVER_CXGB3,
241 RDMA_DRIVER_CXGB4,
242 RDMA_DRIVER_MTHCA,
243 RDMA_DRIVER_BNXT_RE,
244 RDMA_DRIVER_OCRDMA,
245 RDMA_DRIVER_NES,
246 RDMA_DRIVER_I40IW,
247 RDMA_DRIVER_IRDMA = RDMA_DRIVER_I40IW,
248 RDMA_DRIVER_VMW_PVRDMA,
249 RDMA_DRIVER_QEDR,
250 RDMA_DRIVER_HNS,
251 RDMA_DRIVER_USNIC,
252 RDMA_DRIVER_RXE,
253 RDMA_DRIVER_HFI1,
254 RDMA_DRIVER_QIB,
255 RDMA_DRIVER_EFA,
256 RDMA_DRIVER_SIW,
257 RDMA_DRIVER_ERDMA,
258 RDMA_DRIVER_MANA,
259 RDMA_DRIVER_IONIC,
260};
261
262enum ib_uverbs_gid_type {
263 IB_UVERBS_GID_TYPE_IB,
264 IB_UVERBS_GID_TYPE_ROCE_V1,
265 IB_UVERBS_GID_TYPE_ROCE_V2,
266};
267
268struct ib_uverbs_gid_entry {
269 __aligned_u64 gid[2];
270 __u32 gid_index;
271 __u32 port_num;
272 __u32 gid_type;
273 __u32 netdev_ifindex; /* It is 0 if there is no netdev associated with it */
274};
275
276enum ib_uverbs_buffer_type {
277 IB_UVERBS_BUFFER_TYPE_DMABUF,
278 IB_UVERBS_BUFFER_TYPE_VA,
279};
280
281/*
282 * Describes a single buffer backed by dma-buf or user virtual address.
283 * Used as the payload of a per-attribute UVERBS_ATTR_UMEM-typed attribute.
284 *
285 * @type: buffer type from enum ib_uverbs_buffer_type
286 * @fd: dma-buf file descriptor (valid for IB_UVERBS_BUFFER_TYPE_DMABUF)
287 * @flags: required flags; the kernel rejects the call with -EINVAL if any
288 * bit is not understood. No bits are defined yet.
289 * @optional_flags: advisory flags; bits the kernel does not understand are
290 * silently ignored. No bits are defined yet.
291 * @addr: offset within dma-buf, or user virtual address for VA
292 * @length: buffer length in bytes
293 */
294struct ib_uverbs_buffer_desc {
295 __u32 type;
296 __s32 fd;
297 __u32 flags;
298 __u32 optional_flags;
299 __aligned_u64 addr;
300 __aligned_u64 length;
301};
302
303#endif