xref: /openbmc/linux/include/uapi/rdma/rdma_netlink.h (revision 93a1544a)
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 */
566