1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_RDMA_NETLINK_H
3 #define _UAPI_RDMA_NETLINK_H
5 #include <linux/types.h>
10 RDMA_NL_LS
, /* RDMA Local Services */
11 RDMA_NL_NLDEV
, /* RDMA device interface */
16 RDMA_NL_GROUP_IWPM
= 2,
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)
25 /* The minimum version that the iwpm kernel supports */
26 #define IWPM_UABI_VERSION_MIN 3
28 /* The latest version that the iwpm kernel supports */
29 #define IWPM_UABI_VERSION 4
31 /* iwarp port mapper message flags */
34 /* Do not map the port for this IWPM request */
35 IWPM_FLAGS_NO_PORT_MAP
= (1 << 0),
38 /* iwarp port mapper op-codes */
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
,
47 RDMA_NL_IWPM_MAPINFO_NUM
,
53 IWPM_NLA_REG_PID_UNSPEC
= 0,
56 IWPM_NLA_REG_IBDEV_NAME
,
57 IWPM_NLA_REG_ULIB_NAME
,
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
,
73 IWPM_NLA_MANAGE_MAPPING_UNSPEC
= 0,
74 IWPM_NLA_MANAGE_MAPPING_SEQ
,
76 IWPM_NLA_MANAGE_FLAGS
,
77 IWPM_NLA_MANAGE_MAPPING_MAX
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
91 #define IWPM_NLA_MAPINFO_SEND_MAX 3
92 #define IWPM_NLA_REMOVE_MAPPING_MAX 3
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
,
100 IWPM_NLA_QUERY_MAPPING_MAX
,
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
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
122 IWPM_NLA_MAPINFO_UNSPEC
= 0,
123 IWPM_NLA_MAPINFO_LOCAL_ADDR
,
124 IWPM_NLA_MAPINFO_MAPPED_ADDR
,
125 IWPM_NLA_MAPINFO_FLAGS
,
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
138 IWPM_NLA_ERR_UNSPEC
= 0,
145 IWPM_NLA_HELLO_UNSPEC
= 0,
146 IWPM_NLA_HELLO_ABI_VERSION
,
150 /* For RDMA_NLDEV_ATTR_DEV_NODE_TYPE */
152 /* IB values map to NodeInfo:NodeType. */
159 RDMA_NODE_UNSPECIFIED
,
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.
169 RDMA_NL_LS_OP_RESOLVE
= 0,
170 RDMA_NL_LS_OP_SET_TIMEOUT
,
171 RDMA_NL_LS_OP_IP_RESOLVE
,
175 /* Local service netlink message flags */
176 #define RDMA_NL_LS_F_ERR 0x0100 /* Failed response */
179 * Local service resolve operation family header.
180 * The layout for the resolve operation:
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
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
201 #define LS_DEVICE_NAME_MAX 64
203 struct rdma_ls_resolve_header
{
204 __u8 device_name
[LS_DEVICE_NAME_MAX
];
209 struct rdma_ls_ip_resolve_header
{
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))
219 * Local service attributes:
220 * Attr Name Size Byte order
221 * -----------------------------------------------------
222 * PATH_RECORD struct ib_path_rec_data
234 LS_NLA_TYPE_UNSPEC
= 0,
235 LS_NLA_TYPE_PATH_RECORD
,
237 LS_NLA_TYPE_SERVICE_ID
,
242 LS_NLA_TYPE_QOS_CLASS
,
248 /* Local service DGID/SGID attribute: big endian */
249 struct rdma_nla_ls_gid
{
253 enum rdma_nldev_command
{
254 RDMA_NLDEV_CMD_UNSPEC
,
256 RDMA_NLDEV_CMD_GET
, /* can dump */
259 RDMA_NLDEV_CMD_NEWLINK
,
261 RDMA_NLDEV_CMD_DELLINK
,
263 RDMA_NLDEV_CMD_PORT_GET
, /* can dump */
265 RDMA_NLDEV_CMD_SYS_GET
,
266 RDMA_NLDEV_CMD_SYS_SET
,
268 /* 8 is free to use */
270 RDMA_NLDEV_CMD_RES_GET
= 9, /* can dump */
272 RDMA_NLDEV_CMD_RES_QP_GET
, /* can dump */
274 RDMA_NLDEV_CMD_RES_CM_ID_GET
, /* can dump */
276 RDMA_NLDEV_CMD_RES_CQ_GET
, /* can dump */
278 RDMA_NLDEV_CMD_RES_MR_GET
, /* can dump */
280 RDMA_NLDEV_CMD_RES_PD_GET
, /* can dump */
282 RDMA_NLDEV_CMD_GET_CHARDEV
,
284 RDMA_NLDEV_CMD_STAT_SET
,
286 RDMA_NLDEV_CMD_STAT_GET
, /* can dump */
288 RDMA_NLDEV_CMD_STAT_DEL
,
290 RDMA_NLDEV_CMD_RES_QP_GET_RAW
,
292 RDMA_NLDEV_CMD_RES_CQ_GET_RAW
,
294 RDMA_NLDEV_CMD_RES_MR_GET_RAW
,
299 enum rdma_nldev_print_type
{
300 RDMA_NLDEV_PRINT_TYPE_UNSPEC
,
301 RDMA_NLDEV_PRINT_TYPE_HEX
,
304 enum rdma_nldev_attr
{
305 /* don't change the order or add anything between, this is ABI! */
306 RDMA_NLDEV_ATTR_UNSPEC
,
308 /* Pad attribute for 64b alignment */
309 RDMA_NLDEV_ATTR_PAD
= RDMA_NLDEV_ATTR_UNSPEC
,
311 /* Identifier for ib_device */
312 RDMA_NLDEV_ATTR_DEV_INDEX
, /* u32 */
314 RDMA_NLDEV_ATTR_DEV_NAME
, /* string */
316 * Device index together with port index are identifiers
317 * for port/link properties.
319 * For RDMA_NLDEV_CMD_GET commamnd, port index will return number
320 * of available ports in ib_device, while for port specific operations,
321 * it will be real port index as it appears in sysfs. Port index follows
322 * sysfs notation and starts from 1 for the first port.
324 RDMA_NLDEV_ATTR_PORT_INDEX
, /* u32 */
327 * Device and port capabilities
329 * When used for port info, first 32-bits are CapabilityMask followed by
330 * 16-bit CapabilityMask2.
332 RDMA_NLDEV_ATTR_CAP_FLAGS
, /* u64 */
337 RDMA_NLDEV_ATTR_FW_VERSION
, /* string */
340 * Node GUID (in host byte order) associated with the RDMA device.
342 RDMA_NLDEV_ATTR_NODE_GUID
, /* u64 */
345 * System image GUID (in host byte order) associated with
346 * this RDMA device and other devices which are part of a
349 RDMA_NLDEV_ATTR_SYS_IMAGE_GUID
, /* u64 */
352 * Subnet prefix (in host byte order)
354 RDMA_NLDEV_ATTR_SUBNET_PREFIX
, /* u64 */
357 * Local Identifier (LID),
358 * According to IB specification, It is 16-bit address assigned
359 * by the Subnet Manager. Extended to be 32-bit for OmniPath users.
361 RDMA_NLDEV_ATTR_LID
, /* u32 */
362 RDMA_NLDEV_ATTR_SM_LID
, /* u32 */
365 * LID mask control (LMC)
367 RDMA_NLDEV_ATTR_LMC
, /* u8 */
369 RDMA_NLDEV_ATTR_PORT_STATE
, /* u8 */
370 RDMA_NLDEV_ATTR_PORT_PHYS_STATE
, /* u8 */
372 RDMA_NLDEV_ATTR_DEV_NODE_TYPE
, /* u8 */
374 RDMA_NLDEV_ATTR_RES_SUMMARY
, /* nested table */
375 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY
, /* nested table */
376 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME
, /* string */
377 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR
, /* u64 */
379 RDMA_NLDEV_ATTR_RES_QP
, /* nested table */
380 RDMA_NLDEV_ATTR_RES_QP_ENTRY
, /* nested table */
384 RDMA_NLDEV_ATTR_RES_LQPN
, /* u32 */
387 * Applicable for RC and UC only IBTA 11.2.5.3 QUERY QUEUE PAIR
389 RDMA_NLDEV_ATTR_RES_RQPN
, /* u32 */
392 * Applicable for RC and UC only 11.2.5.3 QUERY QUEUE PAIR
394 RDMA_NLDEV_ATTR_RES_RQ_PSN
, /* u32 */
398 RDMA_NLDEV_ATTR_RES_SQ_PSN
, /* u32 */
399 RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE
, /* u8 */
401 * QP types as visible to RDMA/core, the reserved QPT
402 * are not exported through this interface.
404 RDMA_NLDEV_ATTR_RES_TYPE
, /* u8 */
405 RDMA_NLDEV_ATTR_RES_STATE
, /* u8 */
407 * Process ID which created object,
408 * in case of kernel origin, PID won't exist.
410 RDMA_NLDEV_ATTR_RES_PID
, /* u32 */
412 * The name of process created following resource.
413 * It will exist only for kernel objects.
414 * For user created objects, the user is supposed
415 * to read /proc/PID/comm file.
417 RDMA_NLDEV_ATTR_RES_KERN_NAME
, /* string */
419 RDMA_NLDEV_ATTR_RES_CM_ID
, /* nested table */
420 RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY
, /* nested table */
422 * rdma_cm_id port space.
424 RDMA_NLDEV_ATTR_RES_PS
, /* u32 */
426 * Source and destination socket addresses
428 RDMA_NLDEV_ATTR_RES_SRC_ADDR
, /* __kernel_sockaddr_storage */
429 RDMA_NLDEV_ATTR_RES_DST_ADDR
, /* __kernel_sockaddr_storage */
431 RDMA_NLDEV_ATTR_RES_CQ
, /* nested table */
432 RDMA_NLDEV_ATTR_RES_CQ_ENTRY
, /* nested table */
433 RDMA_NLDEV_ATTR_RES_CQE
, /* u32 */
434 RDMA_NLDEV_ATTR_RES_USECNT
, /* u64 */
435 RDMA_NLDEV_ATTR_RES_POLL_CTX
, /* u8 */
437 RDMA_NLDEV_ATTR_RES_MR
, /* nested table */
438 RDMA_NLDEV_ATTR_RES_MR_ENTRY
, /* nested table */
439 RDMA_NLDEV_ATTR_RES_RKEY
, /* u32 */
440 RDMA_NLDEV_ATTR_RES_LKEY
, /* u32 */
441 RDMA_NLDEV_ATTR_RES_IOVA
, /* u64 */
442 RDMA_NLDEV_ATTR_RES_MRLEN
, /* u64 */
444 RDMA_NLDEV_ATTR_RES_PD
, /* nested table */
445 RDMA_NLDEV_ATTR_RES_PD_ENTRY
, /* nested table */
446 RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY
, /* u32 */
447 RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY
, /* u32 */
449 * Provides logical name and index of netdevice which is
450 * connected to physical port. This information is relevant
451 * for RoCE and iWARP.
453 * The netdevices which are associated with containers are
454 * supposed to be exported together with GID table once it
455 * will be exposed through the netlink. Because the
456 * associated netdevices are properties of GIDs.
458 RDMA_NLDEV_ATTR_NDEV_INDEX
, /* u32 */
459 RDMA_NLDEV_ATTR_NDEV_NAME
, /* string */
461 * driver-specific attributes.
463 RDMA_NLDEV_ATTR_DRIVER
, /* nested table */
464 RDMA_NLDEV_ATTR_DRIVER_ENTRY
, /* nested table */
465 RDMA_NLDEV_ATTR_DRIVER_STRING
, /* string */
467 * u8 values from enum rdma_nldev_print_type
469 RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE
, /* u8 */
470 RDMA_NLDEV_ATTR_DRIVER_S32
, /* s32 */
471 RDMA_NLDEV_ATTR_DRIVER_U32
, /* u32 */
472 RDMA_NLDEV_ATTR_DRIVER_S64
, /* s64 */
473 RDMA_NLDEV_ATTR_DRIVER_U64
, /* u64 */
476 * Indexes to get/set secific entry,
477 * for QP use RDMA_NLDEV_ATTR_RES_LQPN
479 RDMA_NLDEV_ATTR_RES_PDN
, /* u32 */
480 RDMA_NLDEV_ATTR_RES_CQN
, /* u32 */
481 RDMA_NLDEV_ATTR_RES_MRN
, /* u32 */
482 RDMA_NLDEV_ATTR_RES_CM_IDN
, /* u32 */
483 RDMA_NLDEV_ATTR_RES_CTXN
, /* u32 */
485 * Identifies the rdma driver. eg: "rxe" or "siw"
487 RDMA_NLDEV_ATTR_LINK_TYPE
, /* string */
490 * net namespace mode for rdma subsystem:
491 * either shared or exclusive among multiple net namespaces.
493 RDMA_NLDEV_SYS_ATTR_NETNS_MODE
, /* u8 */
495 * Device protocol, e.g. ib, iw, usnic, roce and opa
497 RDMA_NLDEV_ATTR_DEV_PROTOCOL
, /* string */
500 * File descriptor handle of the net namespace object
502 RDMA_NLDEV_NET_NS_FD
, /* u32 */
504 * Information about a chardev.
505 * CHARDEV_TYPE is the name of the chardev ABI (ie uverbs, umad, etc)
506 * CHARDEV_ABI signals the ABI revision (historical)
507 * CHARDEV_NAME is the kernel name for the /dev/ file (no directory)
508 * CHARDEV is the 64 bit dev_t for the inode
510 RDMA_NLDEV_ATTR_CHARDEV_TYPE
, /* string */
511 RDMA_NLDEV_ATTR_CHARDEV_NAME
, /* string */
512 RDMA_NLDEV_ATTR_CHARDEV_ABI
, /* u64 */
513 RDMA_NLDEV_ATTR_CHARDEV
, /* u64 */
514 RDMA_NLDEV_ATTR_UVERBS_DRIVER_ID
, /* u64 */
516 * Counter-specific attributes.
518 RDMA_NLDEV_ATTR_STAT_MODE
, /* u32 */
519 RDMA_NLDEV_ATTR_STAT_RES
, /* u32 */
520 RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK
, /* u32 */
521 RDMA_NLDEV_ATTR_STAT_COUNTER
, /* nested table */
522 RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY
, /* nested table */
523 RDMA_NLDEV_ATTR_STAT_COUNTER_ID
, /* u32 */
524 RDMA_NLDEV_ATTR_STAT_HWCOUNTERS
, /* nested table */
525 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY
, /* nested table */
526 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME
, /* string */
527 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE
, /* u64 */
530 * CQ adaptive moderatio (DIM)
532 RDMA_NLDEV_ATTR_DEV_DIM
, /* u8 */
534 RDMA_NLDEV_ATTR_RES_RAW
, /* binary */
543 * Supported counter bind modes. All modes are mutual-exclusive.
545 enum rdma_nl_counter_mode
{
546 RDMA_COUNTER_MODE_NONE
,
549 * A qp is bound with a counter automatically during initialization
550 * based on the auto mode (e.g., qp type, ...)
552 RDMA_COUNTER_MODE_AUTO
,
555 * Which qp are bound with which counter is explicitly specified
558 RDMA_COUNTER_MODE_MANUAL
,
563 RDMA_COUNTER_MODE_MAX
,
567 * Supported criteria in counter auto mode.
568 * Currently only "qp type" is supported
570 enum rdma_nl_counter_mask
{
571 RDMA_COUNTER_MASK_QP_TYPE
= 1,
572 RDMA_COUNTER_MASK_PID
= 1 << 1,
574 #endif /* _UAPI_RDMA_NETLINK_H */