summaryrefslogtreecommitdiff
path: root/include/uapi/rdma/rdma_netlink.h
blob: 42a8bdc40a14e6d984e570926074019007f8a7a8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_RDMA_NETLINK_H
#define _UAPI_RDMA_NETLINK_H

#include <linux/types.h>

enum {
	RDMA_NL_IWCM = 2,
	RDMA_NL_RSVD,
	RDMA_NL_LS,	/* RDMA Local Services */
	RDMA_NL_NLDEV,	/* RDMA device interface */
	RDMA_NL_NUM_CLIENTS
};

enum {
	RDMA_NL_GROUP_IWPM = 2,
	RDMA_NL_GROUP_LS,
	RDMA_NL_NUM_GROUPS
};

#define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10)
#define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
#define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)

/* The minimum version that the iwpm kernel supports */
#define IWPM_UABI_VERSION_MIN	3

/* The latest version that the iwpm kernel supports */
#define IWPM_UABI_VERSION	4

/* iwarp port mapper message flags */
enum {

	/* Do not map the port for this IWPM request */
	IWPM_FLAGS_NO_PORT_MAP = (1 << 0),
};

/* iwarp port mapper op-codes */
enum {
	RDMA_NL_IWPM_REG_PID = 0,
	RDMA_NL_IWPM_ADD_MAPPING,
	RDMA_NL_IWPM_QUERY_MAPPING,
	RDMA_NL_IWPM_REMOVE_MAPPING,
	RDMA_NL_IWPM_REMOTE_INFO,
	RDMA_NL_IWPM_HANDLE_ERR,
	RDMA_NL_IWPM_MAPINFO,
	RDMA_NL_IWPM_MAPINFO_NUM,
	RDMA_NL_IWPM_HELLO,
	RDMA_NL_IWPM_NUM_OPS
};

enum {
	IWPM_NLA_REG_PID_UNSPEC = 0,
	IWPM_NLA_REG_PID_SEQ,
	IWPM_NLA_REG_IF_NAME,
	IWPM_NLA_REG_IBDEV_NAME,
	IWPM_NLA_REG_ULIB_NAME,
	IWPM_NLA_REG_PID_MAX
};

enum {
	IWPM_NLA_RREG_PID_UNSPEC = 0,
	IWPM_NLA_RREG_PID_SEQ,
	IWPM_NLA_RREG_IBDEV_NAME,
	IWPM_NLA_RREG_ULIB_NAME,
	IWPM_NLA_RREG_ULIB_VER,
	IWPM_NLA_RREG_PID_ERR,
	IWPM_NLA_RREG_PID_MAX

};

enum {
	IWPM_NLA_MANAGE_MAPPING_UNSPEC = 0,
	IWPM_NLA_MANAGE_MAPPING_SEQ,
	IWPM_NLA_MANAGE_ADDR,
	IWPM_NLA_MANAGE_FLAGS,
	IWPM_NLA_MANAGE_MAPPING_MAX
};

enum {
	IWPM_NLA_RMANAGE_MAPPING_UNSPEC = 0,
	IWPM_NLA_RMANAGE_MAPPING_SEQ,
	IWPM_NLA_RMANAGE_ADDR,
	IWPM_NLA_RMANAGE_MAPPED_LOC_ADDR,
	/* The following maintains bisectability of rdma-core */
	IWPM_NLA_MANAGE_MAPPED_LOC_ADDR = IWPM_NLA_RMANAGE_MAPPED_LOC_ADDR,
	IWPM_NLA_RMANAGE_MAPPING_ERR,
	IWPM_NLA_RMANAGE_MAPPING_MAX
};

#define IWPM_NLA_MAPINFO_SEND_MAX   3
#define IWPM_NLA_REMOVE_MAPPING_MAX 3

enum {
	IWPM_NLA_QUERY_MAPPING_UNSPEC = 0,
	IWPM_NLA_QUERY_MAPPING_SEQ,
	IWPM_NLA_QUERY_LOCAL_ADDR,
	IWPM_NLA_QUERY_REMOTE_ADDR,
	IWPM_NLA_QUERY_FLAGS,
	IWPM_NLA_QUERY_MAPPING_MAX,
};

enum {
	IWPM_NLA_RQUERY_MAPPING_UNSPEC = 0,
	IWPM_NLA_RQUERY_MAPPING_SEQ,
	IWPM_NLA_RQUERY_LOCAL_ADDR,
	IWPM_NLA_RQUERY_REMOTE_ADDR,
	IWPM_NLA_RQUERY_MAPPED_LOC_ADDR,
	IWPM_NLA_RQUERY_MAPPED_REM_ADDR,
	IWPM_NLA_RQUERY_MAPPING_ERR,
	IWPM_NLA_RQUERY_MAPPING_MAX
};

enum {
	IWPM_NLA_MAPINFO_REQ_UNSPEC = 0,
	IWPM_NLA_MAPINFO_ULIB_NAME,
	IWPM_NLA_MAPINFO_ULIB_VER,
	IWPM_NLA_MAPINFO_REQ_MAX
};

enum {
	IWPM_NLA_MAPINFO_UNSPEC = 0,
	IWPM_NLA_MAPINFO_LOCAL_ADDR,
	IWPM_NLA_MAPINFO_MAPPED_ADDR,
	IWPM_NLA_MAPINFO_FLAGS,
	IWPM_NLA_MAPINFO_MAX
};

enum {
	IWPM_NLA_MAPINFO_NUM_UNSPEC = 0,
	IWPM_NLA_MAPINFO_SEQ,
	IWPM_NLA_MAPINFO_SEND_NUM,
	IWPM_NLA_MAPINFO_ACK_NUM,
	IWPM_NLA_MAPINFO_NUM_MAX
};

enum {
	IWPM_NLA_ERR_UNSPEC = 0,
	IWPM_NLA_ERR_SEQ,
	IWPM_NLA_ERR_CODE,
	IWPM_NLA_ERR_MAX
};

enum {
	IWPM_NLA_HELLO_UNSPEC = 0,
	IWPM_NLA_HELLO_ABI_VERSION,
	IWPM_NLA_HELLO_MAX
};

/*
 * Local service operations:
 *   RESOLVE - The client requests the local service to resolve a path.
 *   SET_TIMEOUT - The local service requests the client to set the timeout.
 *   IP_RESOLVE - The client requests the local service to resolve an IP to GID.
 */
enum {
	RDMA_NL_LS_OP_RESOLVE = 0,
	RDMA_NL_LS_OP_SET_TIMEOUT,
	RDMA_NL_LS_OP_IP_RESOLVE,
	RDMA_NL_LS_NUM_OPS
};

/* Local service netlink message flags */
#define RDMA_NL_LS_F_ERR	0x0100	/* Failed response */

/*
 * Local service resolve operation family header.
 * The layout for the resolve operation:
 *    nlmsg header
 *    family header
 *    attributes
 */

/*
 * Local service path use:
 * Specify how the path(s) will be used.
 *   ALL - For connected CM operation (6 pathrecords)
 *   UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)
 *   GMP - For miscellaneous GMP like operation (at least 1 reversible
 *         pathrecord)
 */
enum {
	LS_RESOLVE_PATH_USE_ALL = 0,
	LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,
	LS_RESOLVE_PATH_USE_GMP,
	LS_RESOLVE_PATH_USE_MAX
};

#define LS_DEVICE_NAME_MAX 64

struct rdma_ls_resolve_header {
	__u8 device_name[LS_DEVICE_NAME_MAX];
	__u8 port_num;
	__u8 path_use;
};

struct rdma_ls_ip_resolve_header {
	__u32 ifindex;
};

/* Local service attribute type */
#define RDMA_NLA_F_MANDATORY	(1 << 13)
#define RDMA_NLA_TYPE_MASK	(~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
				  RDMA_NLA_F_MANDATORY))

/*
 * Local service attributes:
 *   Attr Name       Size                       Byte order
 *   -----------------------------------------------------
 *   PATH_RECORD     struct ib_path_rec_data
 *   TIMEOUT         u32                        cpu
 *   SERVICE_ID      u64                        cpu
 *   DGID            u8[16]                     BE
 *   SGID            u8[16]                     BE
 *   TCLASS          u8
 *   PKEY            u16                        cpu
 *   QOS_CLASS       u16                        cpu
 *   IPV4            u32                        BE
 *   IPV6            u8[16]                     BE
 */
enum {
	LS_NLA_TYPE_UNSPEC = 0,
	LS_NLA_TYPE_PATH_RECORD,
	LS_NLA_TYPE_TIMEOUT,
	LS_NLA_TYPE_SERVICE_ID,
	LS_NLA_TYPE_DGID,
	LS_NLA_TYPE_SGID,
	LS_NLA_TYPE_TCLASS,
	LS_NLA_TYPE_PKEY,
	LS_NLA_TYPE_QOS_CLASS,
	LS_NLA_TYPE_IPV4,
	LS_NLA_TYPE_IPV6,
	LS_NLA_TYPE_MAX
};

/* Local service DGID/SGID attribute: big endian */
struct rdma_nla_ls_gid {
	__u8		gid[16];
};

enum rdma_nldev_command {
	RDMA_NLDEV_CMD_UNSPEC,

	RDMA_NLDEV_CMD_GET, /* can dump */
	RDMA_NLDEV_CMD_SET,

	RDMA_NLDEV_CMD_NEWLINK,

	RDMA_NLDEV_CMD_DELLINK,

	RDMA_NLDEV_CMD_PORT_GET, /* can dump */

	RDMA_NLDEV_CMD_SYS_GET, /* can dump */
	RDMA_NLDEV_CMD_SYS_SET,

	/* 8 is free to use */

	RDMA_NLDEV_CMD_RES_GET = 9, /* can dump */

	RDMA_NLDEV_CMD_RES_QP_GET, /* can dump */

	RDMA_NLDEV_CMD_RES_CM_ID_GET, /* can dump */

	RDMA_NLDEV_CMD_RES_CQ_GET, /* can dump */

	RDMA_NLDEV_CMD_RES_MR_GET, /* can dump */

	RDMA_NLDEV_CMD_RES_PD_GET, /* can dump */

	RDMA_NLDEV_NUM_OPS
};

enum {
	RDMA_NLDEV_ATTR_ENTRY_STRLEN = 16,
};

enum rdma_nldev_print_type {
	RDMA_NLDEV_PRINT_TYPE_UNSPEC,
	RDMA_NLDEV_PRINT_TYPE_HEX,
};

enum rdma_nldev_attr {
	/* don't change the order or add anything between, this is ABI! */
	RDMA_NLDEV_ATTR_UNSPEC,

	/* Pad attribute for 64b alignment */
	RDMA_NLDEV_ATTR_PAD = RDMA_NLDEV_ATTR_UNSPEC,

	/* Identifier for ib_device */
	RDMA_NLDEV_ATTR_DEV_INDEX,		/* u32 */

	RDMA_NLDEV_ATTR_DEV_NAME,		/* string */
	/*
	 * Device index together with port index are identifiers
	 * for port/link properties.
	 *
	 * For RDMA_NLDEV_CMD_GET commamnd, port index will return number
	 * of available ports in ib_device, while for port specific operations,
	 * it will be real port index as it appears in sysfs. Port index follows
	 * sysfs notation and starts from 1 for the first port.
	 */
	RDMA_NLDEV_ATTR_PORT_INDEX,		/* u32 */

	/*
	 * Device and port capabilities
	 *
	 * When used for port info, first 32-bits are CapabilityMask followed by
	 * 16-bit CapabilityMask2.
	 */
	RDMA_NLDEV_ATTR_CAP_FLAGS,		/* u64 */

	/*
	 * FW version
	 */
	RDMA_NLDEV_ATTR_FW_VERSION,		/* string */

	/*
	 * Node GUID (in host byte order) associated with the RDMA device.
	 */
	RDMA_NLDEV_ATTR_NODE_GUID,			/* u64 */

	/*
	 * System image GUID (in host byte order) associated with
	 * this RDMA device and other devices which are part of a
	 * single system.
	 */
	RDMA_NLDEV_ATTR_SYS_IMAGE_GUID,		/* u64 */

	/*
	 * Subnet prefix (in host byte order)
	 */
	RDMA_NLDEV_ATTR_SUBNET_PREFIX,		/* u64 */

	/*
	 * Local Identifier (LID),
	 * According to IB specification, It is 16-bit address assigned
	 * by the Subnet Manager. Extended to be 32-bit for OmniPath users.
	 */
	RDMA_NLDEV_ATTR_LID,			/* u32 */
	RDMA_NLDEV_ATTR_SM_LID,			/* u32 */

	/*
	 * LID mask control (LMC)
	 */
	RDMA_NLDEV_ATTR_LMC,			/* u8 */

	RDMA_NLDEV_ATTR_PORT_STATE,		/* u8 */
	RDMA_NLDEV_ATTR_PORT_PHYS_STATE,	/* u8 */

	RDMA_NLDEV_ATTR_DEV_NODE_TYPE,		/* u8 */

	RDMA_NLDEV_ATTR_RES_SUMMARY,		/* nested table */
	RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY,	/* nested table */
	RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME,	/* string */
	RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR,	/* u64 */

	RDMA_NLDEV_ATTR_RES_QP,			/* nested table */
	RDMA_NLDEV_ATTR_RES_QP_ENTRY,		/* nested table */
	/*
	 * Local QPN
	 */
	RDMA_NLDEV_ATTR_RES_LQPN,		/* u32 */
	/*
	 * Remote QPN,
	 * Applicable for RC and UC only IBTA 11.2.5.3 QUERY QUEUE PAIR
	 */
	RDMA_NLDEV_ATTR_RES_RQPN,		/* u32 */
	/*
	 * Receive Queue PSN,
	 * Applicable for RC and UC only 11.2.5.3 QUERY QUEUE PAIR
	 */
	RDMA_NLDEV_ATTR_RES_RQ_PSN,		/* u32 */
	/*
	 * Send Queue PSN
	 */
	RDMA_NLDEV_ATTR_RES_SQ_PSN,		/* u32 */
	RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE,	/* u8 */
	/*
	 * QP types as visible to RDMA/core, the reserved QPT
	 * are not exported through this interface.
	 */
	RDMA_NLDEV_ATTR_RES_TYPE,		/* u8 */
	RDMA_NLDEV_ATTR_RES_STATE,		/* u8 */
	/*
	 * Process ID which created object,
	 * in case of kernel origin, PID won't exist.
	 */
	RDMA_NLDEV_ATTR_RES_PID,		/* u32 */
	/*
	 * The name of process created following resource.
	 * It will exist only for kernel objects.
	 * For user created objects, the user is supposed
	 * to read /proc/PID/comm file.
	 */
	RDMA_NLDEV_ATTR_RES_KERN_NAME,		/* string */

	RDMA_NLDEV_ATTR_RES_CM_ID,		/* nested table */
	RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY,	/* nested table */
	/*
	 * rdma_cm_id port space.
	 */
	RDMA_NLDEV_ATTR_RES_PS,			/* u32 */
	/*
	 * Source and destination socket addresses
	 */
	RDMA_NLDEV_ATTR_RES_SRC_ADDR,		/* __kernel_sockaddr_storage */
	RDMA_NLDEV_ATTR_RES_DST_ADDR,		/* __kernel_sockaddr_storage */

	RDMA_NLDEV_ATTR_RES_CQ,			/* nested table */
	RDMA_NLDEV_ATTR_RES_CQ_ENTRY,		/* nested table */
	RDMA_NLDEV_ATTR_RES_CQE,		/* u32 */
	RDMA_NLDEV_ATTR_RES_USECNT,		/* u64 */
	RDMA_NLDEV_ATTR_RES_POLL_CTX,		/* u8 */

	RDMA_NLDEV_ATTR_RES_MR,			/* nested table */
	RDMA_NLDEV_ATTR_RES_MR_ENTRY,		/* nested table */
	RDMA_NLDEV_ATTR_RES_RKEY,		/* u32 */
	RDMA_NLDEV_ATTR_RES_LKEY,		/* u32 */
	RDMA_NLDEV_ATTR_RES_IOVA,		/* u64 */
	RDMA_NLDEV_ATTR_RES_MRLEN,		/* u64 */

	RDMA_NLDEV_ATTR_RES_PD,			/* nested table */
	RDMA_NLDEV_ATTR_RES_PD_ENTRY,		/* nested table */
	RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY,	/* u32 */
	RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY,	/* u32 */
	/*
	 * Provides logical name and index of netdevice which is
	 * connected to physical port. This information is relevant
	 * for RoCE and iWARP.
	 *
	 * The netdevices which are associated with containers are
	 * supposed to be exported together with GID table once it
	 * will be exposed through the netlink. Because the
	 * associated netdevices are properties of GIDs.
	 */
	RDMA_NLDEV_ATTR_NDEV_INDEX,		/* u32 */
	RDMA_NLDEV_ATTR_NDEV_NAME,		/* string */
	/*
	 * driver-specific attributes.
	 */
	RDMA_NLDEV_ATTR_DRIVER,			/* nested table */
	RDMA_NLDEV_ATTR_DRIVER_ENTRY,		/* nested table */
	RDMA_NLDEV_ATTR_DRIVER_STRING,		/* string */
	/*
	 * u8 values from enum rdma_nldev_print_type
	 */
	RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE,	/* u8 */
	RDMA_NLDEV_ATTR_DRIVER_S32,		/* s32 */
	RDMA_NLDEV_ATTR_DRIVER_U32,		/* u32 */
	RDMA_NLDEV_ATTR_DRIVER_S64,		/* s64 */
	RDMA_NLDEV_ATTR_DRIVER_U64,		/* u64 */

	/*
	 * Indexes to get/set secific entry,
	 * for QP use RDMA_NLDEV_ATTR_RES_LQPN
	 */
	RDMA_NLDEV_ATTR_RES_PDN,               /* u32 */
	RDMA_NLDEV_ATTR_RES_CQN,               /* u32 */
	RDMA_NLDEV_ATTR_RES_MRN,               /* u32 */
	RDMA_NLDEV_ATTR_RES_CM_IDN,            /* u32 */
	RDMA_NLDEV_ATTR_RES_CTXN,	       /* u32 */
	/*
	 * Identifies the rdma driver. eg: "rxe" or "siw"
	 */
	RDMA_NLDEV_ATTR_LINK_TYPE,		/* string */

	/*
	 * net namespace mode for rdma subsystem:
	 * either shared or exclusive among multiple net namespaces.
	 */
	RDMA_NLDEV_SYS_ATTR_NETNS_MODE,		/* u8 */
	/*
	 * Device protocol, e.g. ib, iw, usnic, roce and opa
	 */
	RDMA_NLDEV_ATTR_DEV_PROTOCOL,		/* string */

	/*
	 * File descriptor handle of the net namespace object
	 */
	RDMA_NLDEV_NET_NS_FD,			/* u32 */

	/*
	 * Always the end
	 */
	RDMA_NLDEV_ATTR_MAX
};
#endif /* _UAPI_RDMA_NETLINK_H */