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 /* 151 * Local service operations: 152 * RESOLVE - The client requests the local service to resolve a path. 153 * SET_TIMEOUT - The local service requests the client to set the timeout. 154 * IP_RESOLVE - The client requests the local service to resolve an IP to GID. 155 */ 156 enum { 157 RDMA_NL_LS_OP_RESOLVE = 0, 158 RDMA_NL_LS_OP_SET_TIMEOUT, 159 RDMA_NL_LS_OP_IP_RESOLVE, 160 RDMA_NL_LS_NUM_OPS 161 }; 162 163 /* Local service netlink message flags */ 164 #define RDMA_NL_LS_F_ERR 0x0100 /* Failed response */ 165 166 /* 167 * Local service resolve operation family header. 168 * The layout for the resolve operation: 169 * nlmsg header 170 * family header 171 * attributes 172 */ 173 174 /* 175 * Local service path use: 176 * Specify how the path(s) will be used. 177 * ALL - For connected CM operation (6 pathrecords) 178 * UNIDIRECTIONAL - For unidirectional UD (1 pathrecord) 179 * GMP - For miscellaneous GMP like operation (at least 1 reversible 180 * pathrecord) 181 */ 182 enum { 183 LS_RESOLVE_PATH_USE_ALL = 0, 184 LS_RESOLVE_PATH_USE_UNIDIRECTIONAL, 185 LS_RESOLVE_PATH_USE_GMP, 186 LS_RESOLVE_PATH_USE_MAX 187 }; 188 189 #define LS_DEVICE_NAME_MAX 64 190 191 struct rdma_ls_resolve_header { 192 __u8 device_name[LS_DEVICE_NAME_MAX]; 193 __u8 port_num; 194 __u8 path_use; 195 }; 196 197 struct rdma_ls_ip_resolve_header { 198 __u32 ifindex; 199 }; 200 201 /* Local service attribute type */ 202 #define RDMA_NLA_F_MANDATORY (1 << 13) 203 #define RDMA_NLA_TYPE_MASK (~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \ 204 RDMA_NLA_F_MANDATORY)) 205 206 /* 207 * Local service attributes: 208 * Attr Name Size Byte order 209 * ----------------------------------------------------- 210 * PATH_RECORD struct ib_path_rec_data 211 * TIMEOUT u32 cpu 212 * SERVICE_ID u64 cpu 213 * DGID u8[16] BE 214 * SGID u8[16] BE 215 * TCLASS u8 216 * PKEY u16 cpu 217 * QOS_CLASS u16 cpu 218 * IPV4 u32 BE 219 * IPV6 u8[16] BE 220 */ 221 enum { 222 LS_NLA_TYPE_UNSPEC = 0, 223 LS_NLA_TYPE_PATH_RECORD, 224 LS_NLA_TYPE_TIMEOUT, 225 LS_NLA_TYPE_SERVICE_ID, 226 LS_NLA_TYPE_DGID, 227 LS_NLA_TYPE_SGID, 228 LS_NLA_TYPE_TCLASS, 229 LS_NLA_TYPE_PKEY, 230 LS_NLA_TYPE_QOS_CLASS, 231 LS_NLA_TYPE_IPV4, 232 LS_NLA_TYPE_IPV6, 233 LS_NLA_TYPE_MAX 234 }; 235 236 /* Local service DGID/SGID attribute: big endian */ 237 struct rdma_nla_ls_gid { 238 __u8 gid[16]; 239 }; 240 241 enum rdma_nldev_command { 242 RDMA_NLDEV_CMD_UNSPEC, 243 244 RDMA_NLDEV_CMD_GET, /* can dump */ 245 RDMA_NLDEV_CMD_SET, 246 247 RDMA_NLDEV_CMD_NEWLINK, 248 249 RDMA_NLDEV_CMD_DELLINK, 250 251 RDMA_NLDEV_CMD_PORT_GET, /* can dump */ 252 253 RDMA_NLDEV_CMD_SYS_GET, 254 RDMA_NLDEV_CMD_SYS_SET, 255 256 /* 8 is free to use */ 257 258 RDMA_NLDEV_CMD_RES_GET = 9, /* can dump */ 259 260 RDMA_NLDEV_CMD_RES_QP_GET, /* can dump */ 261 262 RDMA_NLDEV_CMD_RES_CM_ID_GET, /* can dump */ 263 264 RDMA_NLDEV_CMD_RES_CQ_GET, /* can dump */ 265 266 RDMA_NLDEV_CMD_RES_MR_GET, /* can dump */ 267 268 RDMA_NLDEV_CMD_RES_PD_GET, /* can dump */ 269 270 RDMA_NLDEV_NUM_OPS 271 }; 272 273 enum { 274 RDMA_NLDEV_ATTR_ENTRY_STRLEN = 16, 275 }; 276 277 enum rdma_nldev_print_type { 278 RDMA_NLDEV_PRINT_TYPE_UNSPEC, 279 RDMA_NLDEV_PRINT_TYPE_HEX, 280 }; 281 282 enum rdma_nldev_attr { 283 /* don't change the order or add anything between, this is ABI! */ 284 RDMA_NLDEV_ATTR_UNSPEC, 285 286 /* Pad attribute for 64b alignment */ 287 RDMA_NLDEV_ATTR_PAD = RDMA_NLDEV_ATTR_UNSPEC, 288 289 /* Identifier for ib_device */ 290 RDMA_NLDEV_ATTR_DEV_INDEX, /* u32 */ 291 292 RDMA_NLDEV_ATTR_DEV_NAME, /* string */ 293 /* 294 * Device index together with port index are identifiers 295 * for port/link properties. 296 * 297 * For RDMA_NLDEV_CMD_GET commamnd, port index will return number 298 * of available ports in ib_device, while for port specific operations, 299 * it will be real port index as it appears in sysfs. Port index follows 300 * sysfs notation and starts from 1 for the first port. 301 */ 302 RDMA_NLDEV_ATTR_PORT_INDEX, /* u32 */ 303 304 /* 305 * Device and port capabilities 306 * 307 * When used for port info, first 32-bits are CapabilityMask followed by 308 * 16-bit CapabilityMask2. 309 */ 310 RDMA_NLDEV_ATTR_CAP_FLAGS, /* u64 */ 311 312 /* 313 * FW version 314 */ 315 RDMA_NLDEV_ATTR_FW_VERSION, /* string */ 316 317 /* 318 * Node GUID (in host byte order) associated with the RDMA device. 319 */ 320 RDMA_NLDEV_ATTR_NODE_GUID, /* u64 */ 321 322 /* 323 * System image GUID (in host byte order) associated with 324 * this RDMA device and other devices which are part of a 325 * single system. 326 */ 327 RDMA_NLDEV_ATTR_SYS_IMAGE_GUID, /* u64 */ 328 329 /* 330 * Subnet prefix (in host byte order) 331 */ 332 RDMA_NLDEV_ATTR_SUBNET_PREFIX, /* u64 */ 333 334 /* 335 * Local Identifier (LID), 336 * According to IB specification, It is 16-bit address assigned 337 * by the Subnet Manager. Extended to be 32-bit for OmniPath users. 338 */ 339 RDMA_NLDEV_ATTR_LID, /* u32 */ 340 RDMA_NLDEV_ATTR_SM_LID, /* u32 */ 341 342 /* 343 * LID mask control (LMC) 344 */ 345 RDMA_NLDEV_ATTR_LMC, /* u8 */ 346 347 RDMA_NLDEV_ATTR_PORT_STATE, /* u8 */ 348 RDMA_NLDEV_ATTR_PORT_PHYS_STATE, /* u8 */ 349 350 RDMA_NLDEV_ATTR_DEV_NODE_TYPE, /* u8 */ 351 352 RDMA_NLDEV_ATTR_RES_SUMMARY, /* nested table */ 353 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY, /* nested table */ 354 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME, /* string */ 355 RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR, /* u64 */ 356 357 RDMA_NLDEV_ATTR_RES_QP, /* nested table */ 358 RDMA_NLDEV_ATTR_RES_QP_ENTRY, /* nested table */ 359 /* 360 * Local QPN 361 */ 362 RDMA_NLDEV_ATTR_RES_LQPN, /* u32 */ 363 /* 364 * Remote QPN, 365 * Applicable for RC and UC only IBTA 11.2.5.3 QUERY QUEUE PAIR 366 */ 367 RDMA_NLDEV_ATTR_RES_RQPN, /* u32 */ 368 /* 369 * Receive Queue PSN, 370 * Applicable for RC and UC only 11.2.5.3 QUERY QUEUE PAIR 371 */ 372 RDMA_NLDEV_ATTR_RES_RQ_PSN, /* u32 */ 373 /* 374 * Send Queue PSN 375 */ 376 RDMA_NLDEV_ATTR_RES_SQ_PSN, /* u32 */ 377 RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE, /* u8 */ 378 /* 379 * QP types as visible to RDMA/core, the reserved QPT 380 * are not exported through this interface. 381 */ 382 RDMA_NLDEV_ATTR_RES_TYPE, /* u8 */ 383 RDMA_NLDEV_ATTR_RES_STATE, /* u8 */ 384 /* 385 * Process ID which created object, 386 * in case of kernel origin, PID won't exist. 387 */ 388 RDMA_NLDEV_ATTR_RES_PID, /* u32 */ 389 /* 390 * The name of process created following resource. 391 * It will exist only for kernel objects. 392 * For user created objects, the user is supposed 393 * to read /proc/PID/comm file. 394 */ 395 RDMA_NLDEV_ATTR_RES_KERN_NAME, /* string */ 396 397 RDMA_NLDEV_ATTR_RES_CM_ID, /* nested table */ 398 RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY, /* nested table */ 399 /* 400 * rdma_cm_id port space. 401 */ 402 RDMA_NLDEV_ATTR_RES_PS, /* u32 */ 403 /* 404 * Source and destination socket addresses 405 */ 406 RDMA_NLDEV_ATTR_RES_SRC_ADDR, /* __kernel_sockaddr_storage */ 407 RDMA_NLDEV_ATTR_RES_DST_ADDR, /* __kernel_sockaddr_storage */ 408 409 RDMA_NLDEV_ATTR_RES_CQ, /* nested table */ 410 RDMA_NLDEV_ATTR_RES_CQ_ENTRY, /* nested table */ 411 RDMA_NLDEV_ATTR_RES_CQE, /* u32 */ 412 RDMA_NLDEV_ATTR_RES_USECNT, /* u64 */ 413 RDMA_NLDEV_ATTR_RES_POLL_CTX, /* u8 */ 414 415 RDMA_NLDEV_ATTR_RES_MR, /* nested table */ 416 RDMA_NLDEV_ATTR_RES_MR_ENTRY, /* nested table */ 417 RDMA_NLDEV_ATTR_RES_RKEY, /* u32 */ 418 RDMA_NLDEV_ATTR_RES_LKEY, /* u32 */ 419 RDMA_NLDEV_ATTR_RES_IOVA, /* u64 */ 420 RDMA_NLDEV_ATTR_RES_MRLEN, /* u64 */ 421 422 RDMA_NLDEV_ATTR_RES_PD, /* nested table */ 423 RDMA_NLDEV_ATTR_RES_PD_ENTRY, /* nested table */ 424 RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY, /* u32 */ 425 RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, /* u32 */ 426 /* 427 * Provides logical name and index of netdevice which is 428 * connected to physical port. This information is relevant 429 * for RoCE and iWARP. 430 * 431 * The netdevices which are associated with containers are 432 * supposed to be exported together with GID table once it 433 * will be exposed through the netlink. Because the 434 * associated netdevices are properties of GIDs. 435 */ 436 RDMA_NLDEV_ATTR_NDEV_INDEX, /* u32 */ 437 RDMA_NLDEV_ATTR_NDEV_NAME, /* string */ 438 /* 439 * driver-specific attributes. 440 */ 441 RDMA_NLDEV_ATTR_DRIVER, /* nested table */ 442 RDMA_NLDEV_ATTR_DRIVER_ENTRY, /* nested table */ 443 RDMA_NLDEV_ATTR_DRIVER_STRING, /* string */ 444 /* 445 * u8 values from enum rdma_nldev_print_type 446 */ 447 RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE, /* u8 */ 448 RDMA_NLDEV_ATTR_DRIVER_S32, /* s32 */ 449 RDMA_NLDEV_ATTR_DRIVER_U32, /* u32 */ 450 RDMA_NLDEV_ATTR_DRIVER_S64, /* s64 */ 451 RDMA_NLDEV_ATTR_DRIVER_U64, /* u64 */ 452 453 /* 454 * Indexes to get/set secific entry, 455 * for QP use RDMA_NLDEV_ATTR_RES_LQPN 456 */ 457 RDMA_NLDEV_ATTR_RES_PDN, /* u32 */ 458 RDMA_NLDEV_ATTR_RES_CQN, /* u32 */ 459 RDMA_NLDEV_ATTR_RES_MRN, /* u32 */ 460 RDMA_NLDEV_ATTR_RES_CM_IDN, /* u32 */ 461 RDMA_NLDEV_ATTR_RES_CTXN, /* u32 */ 462 /* 463 * Identifies the rdma driver. eg: "rxe" or "siw" 464 */ 465 RDMA_NLDEV_ATTR_LINK_TYPE, /* string */ 466 467 /* 468 * net namespace mode for rdma subsystem: 469 * either shared or exclusive among multiple net namespaces. 470 */ 471 RDMA_NLDEV_SYS_ATTR_NETNS_MODE, /* u8 */ 472 /* 473 * Device protocol, e.g. ib, iw, usnic, roce and opa 474 */ 475 RDMA_NLDEV_ATTR_DEV_PROTOCOL, /* string */ 476 477 /* 478 * File descriptor handle of the net namespace object 479 */ 480 RDMA_NLDEV_NET_NS_FD, /* u32 */ 481 482 /* 483 * Always the end 484 */ 485 RDMA_NLDEV_ATTR_MAX 486 }; 487 #endif /* _UAPI_RDMA_NETLINK_H */ 488