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