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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / include / uapi / rdma / rdma_netlink.h
blob8e277783fa9610d79629e73c69df658959914c3b
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_RDMA_NETLINK_H
3 #define _UAPI_RDMA_NETLINK_H
4
5 #include <linux/types.h>
6
7 enum {
8 RDMA_NL_IWCM = 2,
9 RDMA_NL_RSVD,
10 RDMA_NL_LS, /* RDMA Local Services */
11 RDMA_NL_NLDEV, /* RDMA device interface */
12 RDMA_NL_NUM_CLIENTS
13 };
14
15 enum {
16 RDMA_NL_GROUP_IWPM = 2,
17 RDMA_NL_GROUP_LS,
18 RDMA_NL_NUM_GROUPS
19 };
20
21 #define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10)
22 #define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
23 #define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)
24
25 /* The minimum version that the iwpm kernel supports */
26 #define IWPM_UABI_VERSION_MIN 3
27
28 /* The latest version that the iwpm kernel supports */
29 #define IWPM_UABI_VERSION 4
30
31 /* iwarp port mapper message flags */
32 enum {
33
34 /* Do not map the port for this IWPM request */
35 IWPM_FLAGS_NO_PORT_MAP = (1 << 0),
36 };
37
38 /* iwarp port mapper op-codes */
39 enum {
40 RDMA_NL_IWPM_REG_PID = 0,
41 RDMA_NL_IWPM_ADD_MAPPING,
42 RDMA_NL_IWPM_QUERY_MAPPING,
43 RDMA_NL_IWPM_REMOVE_MAPPING,
44 RDMA_NL_IWPM_REMOTE_INFO,
45 RDMA_NL_IWPM_HANDLE_ERR,
46 RDMA_NL_IWPM_MAPINFO,
47 RDMA_NL_IWPM_MAPINFO_NUM,
48 RDMA_NL_IWPM_HELLO,
49 RDMA_NL_IWPM_NUM_OPS
50 };
51
52 enum {
53 IWPM_NLA_REG_PID_UNSPEC = 0,
54 IWPM_NLA_REG_PID_SEQ,
55 IWPM_NLA_REG_IF_NAME,
56 IWPM_NLA_REG_IBDEV_NAME,
57 IWPM_NLA_REG_ULIB_NAME,
58 IWPM_NLA_REG_PID_MAX
59 };
60
61 enum {
62 IWPM_NLA_RREG_PID_UNSPEC = 0,
63 IWPM_NLA_RREG_PID_SEQ,
64 IWPM_NLA_RREG_IBDEV_NAME,
65 IWPM_NLA_RREG_ULIB_NAME,
66 IWPM_NLA_RREG_ULIB_VER,
67 IWPM_NLA_RREG_PID_ERR,
68 IWPM_NLA_RREG_PID_MAX
69
70 };
71
72 enum {
73 IWPM_NLA_MANAGE_MAPPING_UNSPEC = 0,
74 IWPM_NLA_MANAGE_MAPPING_SEQ,
75 IWPM_NLA_MANAGE_ADDR,
76 IWPM_NLA_MANAGE_FLAGS,
77 IWPM_NLA_MANAGE_MAPPING_MAX
78 };
79
80 enum {
81 IWPM_NLA_RMANAGE_MAPPING_UNSPEC = 0,
82 IWPM_NLA_RMANAGE_MAPPING_SEQ,
83 IWPM_NLA_RMANAGE_ADDR,
84 IWPM_NLA_RMANAGE_MAPPED_LOC_ADDR,
85 /* The following maintains bisectability of rdma-core */
86 IWPM_NLA_MANAGE_MAPPED_LOC_ADDR = IWPM_NLA_RMANAGE_MAPPED_LOC_ADDR,
87 IWPM_NLA_RMANAGE_MAPPING_ERR,
88 IWPM_NLA_RMANAGE_MAPPING_MAX
89 };
90
91 #define IWPM_NLA_MAPINFO_SEND_MAX 3
92 #define IWPM_NLA_REMOVE_MAPPING_MAX 3
93
94 enum {
95 IWPM_NLA_QUERY_MAPPING_UNSPEC = 0,
96 IWPM_NLA_QUERY_MAPPING_SEQ,
97 IWPM_NLA_QUERY_LOCAL_ADDR,
98 IWPM_NLA_QUERY_REMOTE_ADDR,
99 IWPM_NLA_QUERY_FLAGS,
100 IWPM_NLA_QUERY_MAPPING_MAX,
101 };
102
103 enum {
104 IWPM_NLA_RQUERY_MAPPING_UNSPEC = 0,
105 IWPM_NLA_RQUERY_MAPPING_SEQ,
106 IWPM_NLA_RQUERY_LOCAL_ADDR,
107 IWPM_NLA_RQUERY_REMOTE_ADDR,
108 IWPM_NLA_RQUERY_MAPPED_LOC_ADDR,
109 IWPM_NLA_RQUERY_MAPPED_REM_ADDR,
110 IWPM_NLA_RQUERY_MAPPING_ERR,
111 IWPM_NLA_RQUERY_MAPPING_MAX
112 };
113
114 enum {
115 IWPM_NLA_MAPINFO_REQ_UNSPEC = 0,
116 IWPM_NLA_MAPINFO_ULIB_NAME,
117 IWPM_NLA_MAPINFO_ULIB_VER,
118 IWPM_NLA_MAPINFO_REQ_MAX
119 };
120
121 enum {
122 IWPM_NLA_MAPINFO_UNSPEC = 0,
123 IWPM_NLA_MAPINFO_LOCAL_ADDR,
124 IWPM_NLA_MAPINFO_MAPPED_ADDR,
125 IWPM_NLA_MAPINFO_FLAGS,
126 IWPM_NLA_MAPINFO_MAX
127 };
128
129 enum {
130 IWPM_NLA_MAPINFO_NUM_UNSPEC = 0,
131 IWPM_NLA_MAPINFO_SEQ,
132 IWPM_NLA_MAPINFO_SEND_NUM,
133 IWPM_NLA_MAPINFO_ACK_NUM,
134 IWPM_NLA_MAPINFO_NUM_MAX
135 };
136
137 enum {
138 IWPM_NLA_ERR_UNSPEC = 0,
139 IWPM_NLA_ERR_SEQ,
140 IWPM_NLA_ERR_CODE,
141 IWPM_NLA_ERR_MAX
142 };
143
144 enum {
145 IWPM_NLA_HELLO_UNSPEC = 0,
146 IWPM_NLA_HELLO_ABI_VERSION,
147 IWPM_NLA_HELLO_MAX
148 };
149
150 /* For RDMA_NLDEV_ATTR_DEV_NODE_TYPE */
151 enum {
152 /* IB values map to NodeInfo:NodeType. */
153 RDMA_NODE_IB_CA = 1,
154 RDMA_NODE_IB_SWITCH,
155 RDMA_NODE_IB_ROUTER,
156 RDMA_NODE_RNIC,
157 RDMA_NODE_USNIC,
158 RDMA_NODE_USNIC_UDP,
159 RDMA_NODE_UNSPECIFIED,
160 };
161
162 /*
163 * Local service operations:
164 * RESOLVE - The client requests the local service to resolve a path.
165 * SET_TIMEOUT - The local service requests the client to set the timeout.
166 * IP_RESOLVE - The client requests the local service to resolve an IP to GID.
167 */
168 enum {
169 RDMA_NL_LS_OP_RESOLVE = 0,
170 RDMA_NL_LS_OP_SET_TIMEOUT,
171 RDMA_NL_LS_OP_IP_RESOLVE,
172 RDMA_NL_LS_NUM_OPS
173 };
174
175 /* Local service netlink message flags */
176 #define RDMA_NL_LS_F_ERR 0x0100 /* Failed response */
177
178 /*
179 * Local service resolve operation family header.
180 * The layout for the resolve operation:
181 * nlmsg header
182 * family header
183 * attributes
184 */
185
186 /*
187 * Local service path use:
188 * Specify how the path(s) will be used.
189 * ALL - For connected CM operation (6 pathrecords)
190 * UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)
191 * GMP - For miscellaneous GMP like operation (at least 1 reversible
192 * pathrecord)
193 */
194 enum {
195 LS_RESOLVE_PATH_USE_ALL = 0,
196 LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,
197 LS_RESOLVE_PATH_USE_GMP,
198 LS_RESOLVE_PATH_USE_MAX
199 };
200
201 #define LS_DEVICE_NAME_MAX 64
202
203 struct rdma_ls_resolve_header {
204 __u8 device_name[LS_DEVICE_NAME_MAX];
205 __u8 port_num;
206 __u8 path_use;
207 };
208
209 struct rdma_ls_ip_resolve_header {
210 __u32 ifindex;
211 };
212
213 /* Local service attribute type */
214 #define RDMA_NLA_F_MANDATORY (1 << 13)
215 #define RDMA_NLA_TYPE_MASK (~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
216 RDMA_NLA_F_MANDATORY))
217
218 /*
219 * Local service attributes:
220 * Attr Name Size Byte order
221 * -----------------------------------------------------
222 * PATH_RECORD struct ib_path_rec_data
223 * TIMEOUT u32 cpu
224 * SERVICE_ID u64 cpu
225 * DGID u8[16] BE
226 * SGID u8[16] BE
227 * TCLASS u8
228 * PKEY u16 cpu
229 * QOS_CLASS u16 cpu
230 * IPV4 u32 BE
231 * IPV6 u8[16] BE
232 */
233 enum {
234 LS_NLA_TYPE_UNSPEC = 0,
235 LS_NLA_TYPE_PATH_RECORD,
236 LS_NLA_TYPE_TIMEOUT,
237 LS_NLA_TYPE_SERVICE_ID,
238 LS_NLA_TYPE_DGID,
239 LS_NLA_TYPE_SGID,
240 LS_NLA_TYPE_TCLASS,
241 LS_NLA_TYPE_PKEY,
242 LS_NLA_TYPE_QOS_CLASS,
243 LS_NLA_TYPE_IPV4,
244 LS_NLA_TYPE_IPV6,
245 LS_NLA_TYPE_MAX
246 };
247
248 /* Local service DGID/SGID attribute: big endian */
249 struct rdma_nla_ls_gid {
250 __u8 gid[16];
251 };
252
253 enum rdma_nldev_command {
254 RDMA_NLDEV_CMD_UNSPEC,
255
256 RDMA_NLDEV_CMD_GET, /* can dump */
257 RDMA_NLDEV_CMD_SET,
258
259 RDMA_NLDEV_CMD_NEWLINK,
260
261 RDMA_NLDEV_CMD_DELLINK,
262
263 RDMA_NLDEV_CMD_PORT_GET, /* can dump */
264
265 RDMA_NLDEV_CMD_SYS_GET,
266 RDMA_NLDEV_CMD_SYS_SET,
267
268 /* 8 is free to use */
269
270 RDMA_NLDEV_CMD_RES_GET = 9, /* can dump */
271
272 RDMA_NLDEV_CMD_RES_QP_GET, /* can dump */
273
274 RDMA_NLDEV_CMD_RES_CM_ID_GET, /* can dump */
275
276 RDMA_NLDEV_CMD_RES_CQ_GET, /* can dump */
277
278 RDMA_NLDEV_CMD_RES_MR_GET, /* can dump */
279
280 RDMA_NLDEV_CMD_RES_PD_GET, /* can dump */
281
282 RDMA_NLDEV_CMD_GET_CHARDEV,
283
284 RDMA_NLDEV_CMD_STAT_SET,
285
286 RDMA_NLDEV_CMD_STAT_GET, /* can dump */
287
288 RDMA_NLDEV_CMD_STAT_DEL,
289
290 RDMA_NLDEV_NUM_OPS
291 };
292
293 enum rdma_nldev_print_type {
294 RDMA_NLDEV_PRINT_TYPE_UNSPEC,
295 RDMA_NLDEV_PRINT_TYPE_HEX,
296 };
297
298 enum rdma_nldev_attr {
299 /* don't change the order or add anything between, this is ABI! */
300 RDMA_NLDEV_ATTR_UNSPEC,
301
302 /* Pad attribute for 64b alignment */
303 RDMA_NLDEV_ATTR_PAD = RDMA_NLDEV_ATTR_UNSPEC,
304
305 /* Identifier for ib_device */
306 RDMA_NLDEV_ATTR_DEV_INDEX, /* u32 */
307
308 RDMA_NLDEV_ATTR_DEV_NAME, /* string */
309 /*
310 * Device index together with port index are identifiers
311 * for port/link properties.
312 *
313 * For RDMA_NLDEV_CMD_GET commamnd, port index will return number
314 * of available ports in ib_device, while for port specific operations,
315 * it will be real port index as it appears in sysfs. Port index follows
316 * sysfs notation and starts from 1 for the first port.
317 */
318 RDMA_NLDEV_ATTR_PORT_INDEX, /* u32 */
319
320 /*
321 * Device and port capabilities
322 *
323 * When used for port info, first 32-bits are CapabilityMask followed by
324 * 16-bit CapabilityMask2.
325 */
326 RDMA_NLDEV_ATTR_CAP_FLAGS, /* u64 */
327
328 /*
329 * FW version
330 */
331 RDMA_NLDEV_ATTR_FW_VERSION, /* string */
332
333 /*
334 * Node GUID (in host byte order) associated with the RDMA device.
335 */
336 RDMA_NLDEV_ATTR_NODE_GUID, /* u64 */
337
338 /*
339 * System image GUID (in host byte order) associated with
340 * this RDMA device and other devices which are part of a
341 * single system.
342 */
343 RDMA_NLDEV_ATTR_SYS_IMAGE_GUID, /* u64 */
344
345 /*
346 * Subnet prefix (in host byte order)
347 */
348 RDMA_NLDEV_ATTR_SUBNET_PREFIX, /* u64 */
349
350 /*
351 * Local Identifier (LID),
352 * According to IB specification, It is 16-bit address assigned
353 * by the Subnet Manager. Extended to be 32-bit for OmniPath users.
354 */
355 RDMA_NLDEV_ATTR_LID, /* u32 */
356 RDMA_NLDEV_ATTR_SM_LID, /* u32 */
357
358 /*
359 * LID mask control (LMC)
360 */
361 RDMA_NLDEV_ATTR_LMC, /* u8 */
362
363 RDMA_NLDEV_ATTR_PORT_STATE, /* u8 */
364 RDMA_NLDEV_ATTR_PORT_PHYS_STATE, /* u8 */
365
366 RDMA_NLDEV_ATTR_DEV_NODE_TYPE, /* u8 */
367
368 RDMA_NLDEV_ATTR_RES_SUMMARY, /* nested table */
369 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY, /* nested table */
370 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME, /* string */
371 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR, /* u64 */
372
373 RDMA_NLDEV_ATTR_RES_QP, /* nested table */
374 RDMA_NLDEV_ATTR_RES_QP_ENTRY, /* nested table */
375 /*
376 * Local QPN
377 */
378 RDMA_NLDEV_ATTR_RES_LQPN, /* u32 */
379 /*
380 * Remote QPN,
381 * Applicable for RC and UC only IBTA 11.2.5.3 QUERY QUEUE PAIR
382 */
383 RDMA_NLDEV_ATTR_RES_RQPN, /* u32 */
384 /*
385 * Receive Queue PSN,
386 * Applicable for RC and UC only 11.2.5.3 QUERY QUEUE PAIR
387 */
388 RDMA_NLDEV_ATTR_RES_RQ_PSN, /* u32 */
389 /*
390 * Send Queue PSN
391 */
392 RDMA_NLDEV_ATTR_RES_SQ_PSN, /* u32 */
393 RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE, /* u8 */
394 /*
395 * QP types as visible to RDMA/core, the reserved QPT
396 * are not exported through this interface.
397 */
398 RDMA_NLDEV_ATTR_RES_TYPE, /* u8 */
399 RDMA_NLDEV_ATTR_RES_STATE, /* u8 */
400 /*
401 * Process ID which created object,
402 * in case of kernel origin, PID won't exist.
403 */
404 RDMA_NLDEV_ATTR_RES_PID, /* u32 */
405 /*
406 * The name of process created following resource.
407 * It will exist only for kernel objects.
408 * For user created objects, the user is supposed
409 * to read /proc/PID/comm file.
410 */
411 RDMA_NLDEV_ATTR_RES_KERN_NAME, /* string */
412
413 RDMA_NLDEV_ATTR_RES_CM_ID, /* nested table */
414 RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY, /* nested table */
415 /*
416 * rdma_cm_id port space.
417 */
418 RDMA_NLDEV_ATTR_RES_PS, /* u32 */
419 /*
420 * Source and destination socket addresses
421 */
422 RDMA_NLDEV_ATTR_RES_SRC_ADDR, /* __kernel_sockaddr_storage */
423 RDMA_NLDEV_ATTR_RES_DST_ADDR, /* __kernel_sockaddr_storage */
424
425 RDMA_NLDEV_ATTR_RES_CQ, /* nested table */
426 RDMA_NLDEV_ATTR_RES_CQ_ENTRY, /* nested table */
427 RDMA_NLDEV_ATTR_RES_CQE, /* u32 */
428 RDMA_NLDEV_ATTR_RES_USECNT, /* u64 */
429 RDMA_NLDEV_ATTR_RES_POLL_CTX, /* u8 */
430
431 RDMA_NLDEV_ATTR_RES_MR, /* nested table */
432 RDMA_NLDEV_ATTR_RES_MR_ENTRY, /* nested table */
433 RDMA_NLDEV_ATTR_RES_RKEY, /* u32 */
434 RDMA_NLDEV_ATTR_RES_LKEY, /* u32 */
435 RDMA_NLDEV_ATTR_RES_IOVA, /* u64 */
436 RDMA_NLDEV_ATTR_RES_MRLEN, /* u64 */
437
438 RDMA_NLDEV_ATTR_RES_PD, /* nested table */
439 RDMA_NLDEV_ATTR_RES_PD_ENTRY, /* nested table */
440 RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY, /* u32 */
441 RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, /* u32 */
442 /*
443 * Provides logical name and index of netdevice which is
444 * connected to physical port. This information is relevant
445 * for RoCE and iWARP.
446 *
447 * The netdevices which are associated with containers are
448 * supposed to be exported together with GID table once it
449 * will be exposed through the netlink. Because the
450 * associated netdevices are properties of GIDs.
451 */
452 RDMA_NLDEV_ATTR_NDEV_INDEX, /* u32 */
453 RDMA_NLDEV_ATTR_NDEV_NAME, /* string */
454 /*
455 * driver-specific attributes.
456 */
457 RDMA_NLDEV_ATTR_DRIVER, /* nested table */
458 RDMA_NLDEV_ATTR_DRIVER_ENTRY, /* nested table */
459 RDMA_NLDEV_ATTR_DRIVER_STRING, /* string */
460 /*
461 * u8 values from enum rdma_nldev_print_type
462 */
463 RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE, /* u8 */
464 RDMA_NLDEV_ATTR_DRIVER_S32, /* s32 */
465 RDMA_NLDEV_ATTR_DRIVER_U32, /* u32 */
466 RDMA_NLDEV_ATTR_DRIVER_S64, /* s64 */
467 RDMA_NLDEV_ATTR_DRIVER_U64, /* u64 */
468
469 /*
470 * Indexes to get/set secific entry,
471 * for QP use RDMA_NLDEV_ATTR_RES_LQPN
472 */
473 RDMA_NLDEV_ATTR_RES_PDN, /* u32 */
474 RDMA_NLDEV_ATTR_RES_CQN, /* u32 */
475 RDMA_NLDEV_ATTR_RES_MRN, /* u32 */
476 RDMA_NLDEV_ATTR_RES_CM_IDN, /* u32 */
477 RDMA_NLDEV_ATTR_RES_CTXN, /* u32 */
478 /*
479 * Identifies the rdma driver. eg: "rxe" or "siw"
480 */
481 RDMA_NLDEV_ATTR_LINK_TYPE, /* string */
482
483 /*
484 * net namespace mode for rdma subsystem:
485 * either shared or exclusive among multiple net namespaces.
486 */
487 RDMA_NLDEV_SYS_ATTR_NETNS_MODE, /* u8 */
488 /*
489 * Device protocol, e.g. ib, iw, usnic, roce and opa
490 */
491 RDMA_NLDEV_ATTR_DEV_PROTOCOL, /* string */
492
493 /*
494 * File descriptor handle of the net namespace object
495 */
496 RDMA_NLDEV_NET_NS_FD, /* u32 */
497 /*
498 * Information about a chardev.
499 * CHARDEV_TYPE is the name of the chardev ABI (ie uverbs, umad, etc)
500 * CHARDEV_ABI signals the ABI revision (historical)
501 * CHARDEV_NAME is the kernel name for the /dev/ file (no directory)
502 * CHARDEV is the 64 bit dev_t for the inode
503 */
504 RDMA_NLDEV_ATTR_CHARDEV_TYPE, /* string */
505 RDMA_NLDEV_ATTR_CHARDEV_NAME, /* string */
506 RDMA_NLDEV_ATTR_CHARDEV_ABI, /* u64 */
507 RDMA_NLDEV_ATTR_CHARDEV, /* u64 */
508 RDMA_NLDEV_ATTR_UVERBS_DRIVER_ID, /* u64 */
509 /*
510 * Counter-specific attributes.
511 */
512 RDMA_NLDEV_ATTR_STAT_MODE, /* u32 */
513 RDMA_NLDEV_ATTR_STAT_RES, /* u32 */
514 RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK, /* u32 */
515 RDMA_NLDEV_ATTR_STAT_COUNTER, /* nested table */
516 RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY, /* nested table */
517 RDMA_NLDEV_ATTR_STAT_COUNTER_ID, /* u32 */
518 RDMA_NLDEV_ATTR_STAT_HWCOUNTERS, /* nested table */
519 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY, /* nested table */
520 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME, /* string */
521 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE, /* u64 */
522
523 /*
524 * CQ adaptive moderatio (DIM)
525 */
526 RDMA_NLDEV_ATTR_DEV_DIM, /* u8 */
527
528 /*
529 * Always the end
530 */
531 RDMA_NLDEV_ATTR_MAX
532 };
533
534 /*
535 * Supported counter bind modes. All modes are mutual-exclusive.
536 */
537 enum rdma_nl_counter_mode {
538 RDMA_COUNTER_MODE_NONE,
539
540 /*
541 * A qp is bound with a counter automatically during initialization
542 * based on the auto mode (e.g., qp type, ...)
543 */
544 RDMA_COUNTER_MODE_AUTO,
545
546 /*
547 * Which qp are bound with which counter is explicitly specified
548 * by the user
549 */
550 RDMA_COUNTER_MODE_MANUAL,
551
552 /*
553 * Always the end
554 */
555 RDMA_COUNTER_MODE_MAX,
556 };
557
558 /*
559 * Supported criteria in counter auto mode.
560 * Currently only "qp type" is supported
561 */
562 enum rdma_nl_counter_mask {
563 RDMA_COUNTER_MASK_QP_TYPE = 1,
564 };
565 #endif /* _UAPI_RDMA_NETLINK_H */
Linux with added FPC-III support