1 /* 2 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef MLX4_DEVICE_H 34 #define MLX4_DEVICE_H 35 36 #include <linux/if_ether.h> 37 #include <linux/pci.h> 38 #include <linux/completion.h> 39 #include <linux/radix-tree.h> 40 #include <linux/cpu_rmap.h> 41 #include <linux/crash_dump.h> 42 43 #include <linux/refcount.h> 44 45 #include <linux/timecounter.h> 46 47 #define DEFAULT_UAR_PAGE_SHIFT 12 48 49 #define MAX_MSIX_P_PORT 17 50 #define MAX_MSIX 64 51 #define MIN_MSIX_P_PORT 5 52 #define MLX4_IS_LEGACY_EQ_MODE(dev_cap) ((dev_cap).num_comp_vectors < \ 53 (dev_cap).num_ports * MIN_MSIX_P_PORT) 54 55 #define MLX4_MAX_100M_UNITS_VAL 255 /* 56 * work around: can't set values 57 * greater then this value when 58 * using 100 Mbps units. 59 */ 60 #define MLX4_RATELIMIT_100M_UNITS 3 /* 100 Mbps */ 61 #define MLX4_RATELIMIT_1G_UNITS 4 /* 1 Gbps */ 62 #define MLX4_RATELIMIT_DEFAULT 0x00ff 63 64 #define MLX4_ROCE_MAX_GIDS 128 65 #define MLX4_ROCE_PF_GIDS 16 66 67 enum { 68 MLX4_FLAG_MSI_X = 1 << 0, 69 MLX4_FLAG_OLD_PORT_CMDS = 1 << 1, 70 MLX4_FLAG_MASTER = 1 << 2, 71 MLX4_FLAG_SLAVE = 1 << 3, 72 MLX4_FLAG_SRIOV = 1 << 4, 73 MLX4_FLAG_OLD_REG_MAC = 1 << 6, 74 MLX4_FLAG_BONDED = 1 << 7, 75 MLX4_FLAG_SECURE_HOST = 1 << 8, 76 }; 77 78 enum { 79 MLX4_PORT_CAP_IS_SM = 1 << 1, 80 MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19, 81 }; 82 83 enum { 84 MLX4_MAX_PORTS = 2, 85 MLX4_MAX_PORT_PKEYS = 128, 86 MLX4_MAX_PORT_GIDS = 128 87 }; 88 89 /* base qkey for use in sriov tunnel-qp/proxy-qp communication. 90 * These qkeys must not be allowed for general use. This is a 64k range, 91 * and to test for violation, we use the mask (protect against future chg). 92 */ 93 #define MLX4_RESERVED_QKEY_BASE (0xFFFF0000) 94 #define MLX4_RESERVED_QKEY_MASK (0xFFFF0000) 95 96 enum { 97 MLX4_BOARD_ID_LEN = 64 98 }; 99 100 enum { 101 MLX4_MAX_NUM_PF = 16, 102 MLX4_MAX_NUM_VF = 126, 103 MLX4_MAX_NUM_VF_P_PORT = 64, 104 MLX4_MFUNC_MAX = 128, 105 MLX4_MAX_EQ_NUM = 1024, 106 MLX4_MFUNC_EQ_NUM = 4, 107 MLX4_MFUNC_MAX_EQES = 8, 108 MLX4_MFUNC_EQE_MASK = (MLX4_MFUNC_MAX_EQES - 1) 109 }; 110 111 /* Driver supports 3 different device methods to manage traffic steering: 112 * -device managed - High level API for ib and eth flow steering. FW is 113 * managing flow steering tables. 114 * - B0 steering mode - Common low level API for ib and (if supported) eth. 115 * - A0 steering mode - Limited low level API for eth. In case of IB, 116 * B0 mode is in use. 117 */ 118 enum { 119 MLX4_STEERING_MODE_A0, 120 MLX4_STEERING_MODE_B0, 121 MLX4_STEERING_MODE_DEVICE_MANAGED 122 }; 123 124 enum { 125 MLX4_STEERING_DMFS_A0_DEFAULT, 126 MLX4_STEERING_DMFS_A0_DYNAMIC, 127 MLX4_STEERING_DMFS_A0_STATIC, 128 MLX4_STEERING_DMFS_A0_DISABLE, 129 MLX4_STEERING_DMFS_A0_NOT_SUPPORTED 130 }; 131 132 static inline const char *mlx4_steering_mode_str(int steering_mode) 133 { 134 switch (steering_mode) { 135 case MLX4_STEERING_MODE_A0: 136 return "A0 steering"; 137 138 case MLX4_STEERING_MODE_B0: 139 return "B0 steering"; 140 141 case MLX4_STEERING_MODE_DEVICE_MANAGED: 142 return "Device managed flow steering"; 143 144 default: 145 return "Unrecognize steering mode"; 146 } 147 } 148 149 enum { 150 MLX4_TUNNEL_OFFLOAD_MODE_NONE, 151 MLX4_TUNNEL_OFFLOAD_MODE_VXLAN 152 }; 153 154 enum { 155 MLX4_DEV_CAP_FLAG_RC = 1LL << 0, 156 MLX4_DEV_CAP_FLAG_UC = 1LL << 1, 157 MLX4_DEV_CAP_FLAG_UD = 1LL << 2, 158 MLX4_DEV_CAP_FLAG_XRC = 1LL << 3, 159 MLX4_DEV_CAP_FLAG_SRQ = 1LL << 6, 160 MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1LL << 7, 161 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL << 8, 162 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9, 163 MLX4_DEV_CAP_FLAG_DPDP = 1LL << 12, 164 MLX4_DEV_CAP_FLAG_BLH = 1LL << 15, 165 MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1LL << 16, 166 MLX4_DEV_CAP_FLAG_APM = 1LL << 17, 167 MLX4_DEV_CAP_FLAG_ATOMIC = 1LL << 18, 168 MLX4_DEV_CAP_FLAG_RAW_MCAST = 1LL << 19, 169 MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1LL << 20, 170 MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21, 171 MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30, 172 MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32, 173 MLX4_DEV_CAP_FLAG_FCS_KEEP = 1LL << 34, 174 MLX4_DEV_CAP_FLAG_WOL_PORT1 = 1LL << 37, 175 MLX4_DEV_CAP_FLAG_WOL_PORT2 = 1LL << 38, 176 MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40, 177 MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41, 178 MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42, 179 MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48, 180 MLX4_DEV_CAP_FLAG_RSS_IP_FRAG = 1LL << 52, 181 MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53, 182 MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55, 183 MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59, 184 MLX4_DEV_CAP_FLAG_64B_EQE = 1LL << 61, 185 MLX4_DEV_CAP_FLAG_64B_CQE = 1LL << 62 186 }; 187 188 enum { 189 MLX4_DEV_CAP_FLAG2_RSS = 1LL << 0, 190 MLX4_DEV_CAP_FLAG2_RSS_TOP = 1LL << 1, 191 MLX4_DEV_CAP_FLAG2_RSS_XOR = 1LL << 2, 192 MLX4_DEV_CAP_FLAG2_FS_EN = 1LL << 3, 193 MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN = 1LL << 4, 194 MLX4_DEV_CAP_FLAG2_TS = 1LL << 5, 195 MLX4_DEV_CAP_FLAG2_VLAN_CONTROL = 1LL << 6, 196 MLX4_DEV_CAP_FLAG2_FSM = 1LL << 7, 197 MLX4_DEV_CAP_FLAG2_UPDATE_QP = 1LL << 8, 198 MLX4_DEV_CAP_FLAG2_DMFS_IPOIB = 1LL << 9, 199 MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS = 1LL << 10, 200 MLX4_DEV_CAP_FLAG2_MAD_DEMUX = 1LL << 11, 201 MLX4_DEV_CAP_FLAG2_CQE_STRIDE = 1LL << 12, 202 MLX4_DEV_CAP_FLAG2_EQE_STRIDE = 1LL << 13, 203 MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL = 1LL << 14, 204 MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP = 1LL << 15, 205 MLX4_DEV_CAP_FLAG2_CONFIG_DEV = 1LL << 16, 206 MLX4_DEV_CAP_FLAG2_SYS_EQS = 1LL << 17, 207 MLX4_DEV_CAP_FLAG2_80_VFS = 1LL << 18, 208 MLX4_DEV_CAP_FLAG2_FS_A0 = 1LL << 19, 209 MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT = 1LL << 20, 210 MLX4_DEV_CAP_FLAG2_PORT_REMAP = 1LL << 21, 211 MLX4_DEV_CAP_FLAG2_QCN = 1LL << 22, 212 MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT = 1LL << 23, 213 MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN = 1LL << 24, 214 MLX4_DEV_CAP_FLAG2_QOS_VPP = 1LL << 25, 215 MLX4_DEV_CAP_FLAG2_ETS_CFG = 1LL << 26, 216 MLX4_DEV_CAP_FLAG2_PORT_BEACON = 1LL << 27, 217 MLX4_DEV_CAP_FLAG2_IGNORE_FCS = 1LL << 28, 218 MLX4_DEV_CAP_FLAG2_PHV_EN = 1LL << 29, 219 MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN = 1LL << 30, 220 MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB = 1ULL << 31, 221 MLX4_DEV_CAP_FLAG2_LB_SRC_CHK = 1ULL << 32, 222 MLX4_DEV_CAP_FLAG2_ROCE_V1_V2 = 1ULL << 33, 223 MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER = 1ULL << 34, 224 MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT = 1ULL << 35, 225 MLX4_DEV_CAP_FLAG2_SVLAN_BY_QP = 1ULL << 36, 226 MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT = 1ULL << 37, 227 MLX4_DEV_CAP_FLAG2_USER_MAC_EN = 1ULL << 38, 228 MLX4_DEV_CAP_FLAG2_DRIVER_VERSION_TO_FW = 1ULL << 39, 229 }; 230 231 enum { 232 MLX4_QUERY_FUNC_FLAGS_BF_RES_QP = 1LL << 0, 233 MLX4_QUERY_FUNC_FLAGS_A0_RES_QP = 1LL << 1 234 }; 235 236 enum { 237 MLX4_VF_CAP_FLAG_RESET = 1 << 0 238 }; 239 240 /* bit enums for an 8-bit flags field indicating special use 241 * QPs which require special handling in qp_reserve_range. 242 * Currently, this only includes QPs used by the ETH interface, 243 * where we expect to use blueflame. These QPs must not have 244 * bits 6 and 7 set in their qp number. 245 * 246 * This enum may use only bits 0..7. 247 */ 248 enum { 249 MLX4_RESERVE_A0_QP = 1 << 6, 250 MLX4_RESERVE_ETH_BF_QP = 1 << 7, 251 }; 252 253 enum { 254 MLX4_DEV_CAP_64B_EQE_ENABLED = 1LL << 0, 255 MLX4_DEV_CAP_64B_CQE_ENABLED = 1LL << 1, 256 MLX4_DEV_CAP_CQE_STRIDE_ENABLED = 1LL << 2, 257 MLX4_DEV_CAP_EQE_STRIDE_ENABLED = 1LL << 3 258 }; 259 260 enum { 261 MLX4_FUNC_CAP_64B_EQE_CQE = 1L << 0, 262 MLX4_FUNC_CAP_EQE_CQE_STRIDE = 1L << 1, 263 MLX4_FUNC_CAP_DMFS_A0_STATIC = 1L << 2 264 }; 265 266 267 #define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90) 268 269 enum { 270 MLX4_BMME_FLAG_WIN_TYPE_2B = 1 << 1, 271 MLX4_BMME_FLAG_LOCAL_INV = 1 << 6, 272 MLX4_BMME_FLAG_REMOTE_INV = 1 << 7, 273 MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9, 274 MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10, 275 MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11, 276 MLX4_BMME_FLAG_ROCE_V1_V2 = 1 << 19, 277 MLX4_BMME_FLAG_PORT_REMAP = 1 << 24, 278 MLX4_BMME_FLAG_VSD_INIT2RTR = 1 << 28, 279 }; 280 281 enum { 282 MLX4_FLAG_PORT_REMAP = MLX4_BMME_FLAG_PORT_REMAP, 283 MLX4_FLAG_ROCE_V1_V2 = MLX4_BMME_FLAG_ROCE_V1_V2 284 }; 285 286 enum mlx4_event { 287 MLX4_EVENT_TYPE_COMP = 0x00, 288 MLX4_EVENT_TYPE_PATH_MIG = 0x01, 289 MLX4_EVENT_TYPE_COMM_EST = 0x02, 290 MLX4_EVENT_TYPE_SQ_DRAINED = 0x03, 291 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13, 292 MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14, 293 MLX4_EVENT_TYPE_CQ_ERROR = 0x04, 294 MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05, 295 MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06, 296 MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07, 297 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10, 298 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11, 299 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12, 300 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08, 301 MLX4_EVENT_TYPE_PORT_CHANGE = 0x09, 302 MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f, 303 MLX4_EVENT_TYPE_ECC_DETECT = 0x0e, 304 MLX4_EVENT_TYPE_CMD = 0x0a, 305 MLX4_EVENT_TYPE_VEP_UPDATE = 0x19, 306 MLX4_EVENT_TYPE_COMM_CHANNEL = 0x18, 307 MLX4_EVENT_TYPE_OP_REQUIRED = 0x1a, 308 MLX4_EVENT_TYPE_FATAL_WARNING = 0x1b, 309 MLX4_EVENT_TYPE_FLR_EVENT = 0x1c, 310 MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d, 311 MLX4_EVENT_TYPE_RECOVERABLE_ERROR_EVENT = 0x3e, 312 MLX4_EVENT_TYPE_NONE = 0xff, 313 }; 314 315 enum { 316 MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1, 317 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4 318 }; 319 320 enum { 321 MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_BAD_CABLE = 1, 322 MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_UNSUPPORTED_CABLE = 2, 323 }; 324 325 enum { 326 MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0, 327 }; 328 329 enum slave_port_state { 330 SLAVE_PORT_DOWN = 0, 331 SLAVE_PENDING_UP, 332 SLAVE_PORT_UP, 333 }; 334 335 enum slave_port_gen_event { 336 SLAVE_PORT_GEN_EVENT_DOWN = 0, 337 SLAVE_PORT_GEN_EVENT_UP, 338 SLAVE_PORT_GEN_EVENT_NONE, 339 }; 340 341 enum slave_port_state_event { 342 MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN, 343 MLX4_PORT_STATE_DEV_EVENT_PORT_UP, 344 MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID, 345 MLX4_PORT_STATE_IB_EVENT_GID_INVALID, 346 }; 347 348 enum { 349 MLX4_PERM_LOCAL_READ = 1 << 10, 350 MLX4_PERM_LOCAL_WRITE = 1 << 11, 351 MLX4_PERM_REMOTE_READ = 1 << 12, 352 MLX4_PERM_REMOTE_WRITE = 1 << 13, 353 MLX4_PERM_ATOMIC = 1 << 14, 354 MLX4_PERM_BIND_MW = 1 << 15, 355 MLX4_PERM_MASK = 0xFC00 356 }; 357 358 enum { 359 MLX4_OPCODE_NOP = 0x00, 360 MLX4_OPCODE_SEND_INVAL = 0x01, 361 MLX4_OPCODE_RDMA_WRITE = 0x08, 362 MLX4_OPCODE_RDMA_WRITE_IMM = 0x09, 363 MLX4_OPCODE_SEND = 0x0a, 364 MLX4_OPCODE_SEND_IMM = 0x0b, 365 MLX4_OPCODE_LSO = 0x0e, 366 MLX4_OPCODE_RDMA_READ = 0x10, 367 MLX4_OPCODE_ATOMIC_CS = 0x11, 368 MLX4_OPCODE_ATOMIC_FA = 0x12, 369 MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14, 370 MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15, 371 MLX4_OPCODE_BIND_MW = 0x18, 372 MLX4_OPCODE_FMR = 0x19, 373 MLX4_OPCODE_LOCAL_INVAL = 0x1b, 374 MLX4_OPCODE_CONFIG_CMD = 0x1f, 375 376 MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00, 377 MLX4_RECV_OPCODE_SEND = 0x01, 378 MLX4_RECV_OPCODE_SEND_IMM = 0x02, 379 MLX4_RECV_OPCODE_SEND_INVAL = 0x03, 380 381 MLX4_CQE_OPCODE_ERROR = 0x1e, 382 MLX4_CQE_OPCODE_RESIZE = 0x16, 383 }; 384 385 enum { 386 MLX4_STAT_RATE_OFFSET = 5 387 }; 388 389 enum mlx4_protocol { 390 MLX4_PROT_IB_IPV6 = 0, 391 MLX4_PROT_ETH, 392 MLX4_PROT_IB_IPV4, 393 MLX4_PROT_FCOE 394 }; 395 396 enum { 397 MLX4_MTT_FLAG_PRESENT = 1 398 }; 399 400 enum mlx4_qp_region { 401 MLX4_QP_REGION_FW = 0, 402 MLX4_QP_REGION_RSS_RAW_ETH, 403 MLX4_QP_REGION_BOTTOM = MLX4_QP_REGION_RSS_RAW_ETH, 404 MLX4_QP_REGION_ETH_ADDR, 405 MLX4_QP_REGION_FC_ADDR, 406 MLX4_QP_REGION_FC_EXCH, 407 MLX4_NUM_QP_REGION 408 }; 409 410 enum mlx4_port_type { 411 MLX4_PORT_TYPE_NONE = 0, 412 MLX4_PORT_TYPE_IB = 1, 413 MLX4_PORT_TYPE_ETH = 2, 414 MLX4_PORT_TYPE_AUTO = 3 415 }; 416 417 enum mlx4_special_vlan_idx { 418 MLX4_NO_VLAN_IDX = 0, 419 MLX4_VLAN_MISS_IDX, 420 MLX4_VLAN_REGULAR 421 }; 422 423 enum mlx4_steer_type { 424 MLX4_MC_STEER = 0, 425 MLX4_UC_STEER, 426 MLX4_NUM_STEERS 427 }; 428 429 enum mlx4_resource_usage { 430 MLX4_RES_USAGE_NONE, 431 MLX4_RES_USAGE_DRIVER, 432 MLX4_RES_USAGE_USER_VERBS, 433 }; 434 435 enum { 436 MLX4_NUM_FEXCH = 64 * 1024, 437 }; 438 439 enum { 440 MLX4_MAX_FAST_REG_PAGES = 511, 441 }; 442 443 enum { 444 /* 445 * Max wqe size for rdma read is 512 bytes, so this 446 * limits our max_sge_rd as the wqe needs to fit: 447 * - ctrl segment (16 bytes) 448 * - rdma segment (16 bytes) 449 * - scatter elements (16 bytes each) 450 */ 451 MLX4_MAX_SGE_RD = (512 - 16 - 16) / 16 452 }; 453 454 enum { 455 MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14, 456 MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15, 457 MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16, 458 MLX4_DEV_PMC_SUBTYPE_SL_TO_VL_MAP = 0x17, 459 }; 460 461 /* Port mgmt change event handling */ 462 enum { 463 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK = 1 << 0, 464 MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK = 1 << 1, 465 MLX4_EQ_PORT_INFO_LID_CHANGE_MASK = 1 << 2, 466 MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK = 1 << 3, 467 MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK = 1 << 4, 468 }; 469 470 union sl2vl_tbl_to_u64 { 471 u8 sl8[8]; 472 u64 sl64; 473 }; 474 475 enum { 476 MLX4_DEVICE_STATE_UP = 1 << 0, 477 MLX4_DEVICE_STATE_INTERNAL_ERROR = 1 << 1, 478 }; 479 480 enum { 481 MLX4_INTERFACE_STATE_UP = 1 << 0, 482 MLX4_INTERFACE_STATE_DELETION = 1 << 1, 483 MLX4_INTERFACE_STATE_NOWAIT = 1 << 2, 484 }; 485 486 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \ 487 MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK) 488 489 enum mlx4_module_id { 490 MLX4_MODULE_ID_SFP = 0x3, 491 MLX4_MODULE_ID_QSFP = 0xC, 492 MLX4_MODULE_ID_QSFP_PLUS = 0xD, 493 MLX4_MODULE_ID_QSFP28 = 0x11, 494 }; 495 496 enum { /* rl */ 497 MLX4_QP_RATE_LIMIT_NONE = 0, 498 MLX4_QP_RATE_LIMIT_KBS = 1, 499 MLX4_QP_RATE_LIMIT_MBS = 2, 500 MLX4_QP_RATE_LIMIT_GBS = 3 501 }; 502 503 struct mlx4_rate_limit_caps { 504 u16 num_rates; /* Number of different rates */ 505 u8 min_unit; 506 u16 min_val; 507 u8 max_unit; 508 u16 max_val; 509 }; 510 511 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor) 512 { 513 return (major << 32) | (minor << 16) | subminor; 514 } 515 516 struct mlx4_phys_caps { 517 u32 gid_phys_table_len[MLX4_MAX_PORTS + 1]; 518 u32 pkey_phys_table_len[MLX4_MAX_PORTS + 1]; 519 u32 num_phys_eqs; 520 u32 base_sqpn; 521 u32 base_proxy_sqpn; 522 u32 base_tunnel_sqpn; 523 }; 524 525 struct mlx4_spec_qps { 526 u32 qp0_qkey; 527 u32 qp0_proxy; 528 u32 qp0_tunnel; 529 u32 qp1_proxy; 530 u32 qp1_tunnel; 531 }; 532 533 struct mlx4_caps { 534 u64 fw_ver; 535 u32 function; 536 int num_ports; 537 int vl_cap[MLX4_MAX_PORTS + 1]; 538 int ib_mtu_cap[MLX4_MAX_PORTS + 1]; 539 __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1]; 540 u64 def_mac[MLX4_MAX_PORTS + 1]; 541 int eth_mtu_cap[MLX4_MAX_PORTS + 1]; 542 int gid_table_len[MLX4_MAX_PORTS + 1]; 543 int pkey_table_len[MLX4_MAX_PORTS + 1]; 544 int trans_type[MLX4_MAX_PORTS + 1]; 545 int vendor_oui[MLX4_MAX_PORTS + 1]; 546 int wavelength[MLX4_MAX_PORTS + 1]; 547 u64 trans_code[MLX4_MAX_PORTS + 1]; 548 int local_ca_ack_delay; 549 int num_uars; 550 u32 uar_page_size; 551 int bf_reg_size; 552 int bf_regs_per_page; 553 int max_sq_sg; 554 int max_rq_sg; 555 int num_qps; 556 int max_wqes; 557 int max_sq_desc_sz; 558 int max_rq_desc_sz; 559 int max_qp_init_rdma; 560 int max_qp_dest_rdma; 561 int max_tc_eth; 562 struct mlx4_spec_qps *spec_qps; 563 int num_srqs; 564 int max_srq_wqes; 565 int max_srq_sge; 566 int reserved_srqs; 567 int num_cqs; 568 int max_cqes; 569 int reserved_cqs; 570 int num_sys_eqs; 571 int num_eqs; 572 int reserved_eqs; 573 int num_comp_vectors; 574 int num_mpts; 575 int max_fmr_maps; 576 int num_mtts; 577 int fmr_reserved_mtts; 578 int reserved_mtts; 579 int reserved_mrws; 580 int reserved_uars; 581 int num_mgms; 582 int num_amgms; 583 int reserved_mcgs; 584 int num_qp_per_mgm; 585 int steering_mode; 586 int dmfs_high_steer_mode; 587 int fs_log_max_ucast_qp_range_size; 588 int num_pds; 589 int reserved_pds; 590 int max_xrcds; 591 int reserved_xrcds; 592 int mtt_entry_sz; 593 u32 max_msg_sz; 594 u32 page_size_cap; 595 u64 flags; 596 u64 flags2; 597 u32 bmme_flags; 598 u32 reserved_lkey; 599 u16 stat_rate_support; 600 u8 port_width_cap[MLX4_MAX_PORTS + 1]; 601 int max_gso_sz; 602 int max_rss_tbl_sz; 603 int reserved_qps_cnt[MLX4_NUM_QP_REGION]; 604 int reserved_qps; 605 int reserved_qps_base[MLX4_NUM_QP_REGION]; 606 int log_num_macs; 607 int log_num_vlans; 608 enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; 609 u8 supported_type[MLX4_MAX_PORTS + 1]; 610 u8 suggested_type[MLX4_MAX_PORTS + 1]; 611 u8 default_sense[MLX4_MAX_PORTS + 1]; 612 u32 port_mask[MLX4_MAX_PORTS + 1]; 613 enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1]; 614 u32 max_counters; 615 u8 port_ib_mtu[MLX4_MAX_PORTS + 1]; 616 u16 sqp_demux; 617 u32 eqe_size; 618 u32 cqe_size; 619 u8 eqe_factor; 620 u32 userspace_caps; /* userspace must be aware of these */ 621 u32 function_caps; /* VFs must be aware of these */ 622 u16 hca_core_clock; 623 u64 phys_port_id[MLX4_MAX_PORTS + 1]; 624 int tunnel_offload_mode; 625 u8 rx_checksum_flags_port[MLX4_MAX_PORTS + 1]; 626 u8 phv_bit[MLX4_MAX_PORTS + 1]; 627 u8 alloc_res_qp_mask; 628 u32 dmfs_high_rate_qpn_base; 629 u32 dmfs_high_rate_qpn_range; 630 u32 vf_caps; 631 bool wol_port[MLX4_MAX_PORTS + 1]; 632 struct mlx4_rate_limit_caps rl_caps; 633 }; 634 635 struct mlx4_buf_list { 636 void *buf; 637 dma_addr_t map; 638 }; 639 640 struct mlx4_buf { 641 struct mlx4_buf_list direct; 642 struct mlx4_buf_list *page_list; 643 int nbufs; 644 int npages; 645 int page_shift; 646 }; 647 648 struct mlx4_mtt { 649 u32 offset; 650 int order; 651 int page_shift; 652 }; 653 654 enum { 655 MLX4_DB_PER_PAGE = PAGE_SIZE / 4 656 }; 657 658 struct mlx4_db_pgdir { 659 struct list_head list; 660 DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE); 661 DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2); 662 unsigned long *bits[2]; 663 __be32 *db_page; 664 dma_addr_t db_dma; 665 }; 666 667 struct mlx4_ib_user_db_page; 668 669 struct mlx4_db { 670 __be32 *db; 671 union { 672 struct mlx4_db_pgdir *pgdir; 673 struct mlx4_ib_user_db_page *user_page; 674 } u; 675 dma_addr_t dma; 676 int index; 677 int order; 678 }; 679 680 struct mlx4_hwq_resources { 681 struct mlx4_db db; 682 struct mlx4_mtt mtt; 683 struct mlx4_buf buf; 684 }; 685 686 struct mlx4_mr { 687 struct mlx4_mtt mtt; 688 u64 iova; 689 u64 size; 690 u32 key; 691 u32 pd; 692 u32 access; 693 int enabled; 694 }; 695 696 enum mlx4_mw_type { 697 MLX4_MW_TYPE_1 = 1, 698 MLX4_MW_TYPE_2 = 2, 699 }; 700 701 struct mlx4_mw { 702 u32 key; 703 u32 pd; 704 enum mlx4_mw_type type; 705 int enabled; 706 }; 707 708 struct mlx4_fmr { 709 struct mlx4_mr mr; 710 struct mlx4_mpt_entry *mpt; 711 __be64 *mtts; 712 dma_addr_t dma_handle; 713 int max_pages; 714 int max_maps; 715 int maps; 716 u8 page_shift; 717 }; 718 719 struct mlx4_uar { 720 unsigned long pfn; 721 int index; 722 struct list_head bf_list; 723 unsigned free_bf_bmap; 724 void __iomem *map; 725 void __iomem *bf_map; 726 }; 727 728 struct mlx4_bf { 729 unsigned int offset; 730 int buf_size; 731 struct mlx4_uar *uar; 732 void __iomem *reg; 733 }; 734 735 struct mlx4_cq { 736 void (*comp) (struct mlx4_cq *); 737 void (*event) (struct mlx4_cq *, enum mlx4_event); 738 739 struct mlx4_uar *uar; 740 741 u32 cons_index; 742 743 u16 irq; 744 __be32 *set_ci_db; 745 __be32 *arm_db; 746 int arm_sn; 747 748 int cqn; 749 unsigned vector; 750 751 refcount_t refcount; 752 struct completion free; 753 struct { 754 struct list_head list; 755 void (*comp)(struct mlx4_cq *); 756 void *priv; 757 } tasklet_ctx; 758 int reset_notify_added; 759 struct list_head reset_notify; 760 u8 usage; 761 }; 762 763 struct mlx4_qp { 764 void (*event) (struct mlx4_qp *, enum mlx4_event); 765 766 int qpn; 767 768 refcount_t refcount; 769 struct completion free; 770 u8 usage; 771 }; 772 773 struct mlx4_srq { 774 void (*event) (struct mlx4_srq *, enum mlx4_event); 775 776 int srqn; 777 int max; 778 int max_gs; 779 int wqe_shift; 780 781 refcount_t refcount; 782 struct completion free; 783 }; 784 785 struct mlx4_av { 786 __be32 port_pd; 787 u8 reserved1; 788 u8 g_slid; 789 __be16 dlid; 790 u8 reserved2; 791 u8 gid_index; 792 u8 stat_rate; 793 u8 hop_limit; 794 __be32 sl_tclass_flowlabel; 795 u8 dgid[16]; 796 }; 797 798 struct mlx4_eth_av { 799 __be32 port_pd; 800 u8 reserved1; 801 u8 smac_idx; 802 u16 reserved2; 803 u8 reserved3; 804 u8 gid_index; 805 u8 stat_rate; 806 u8 hop_limit; 807 __be32 sl_tclass_flowlabel; 808 u8 dgid[16]; 809 u8 s_mac[6]; 810 u8 reserved4[2]; 811 __be16 vlan; 812 u8 mac[ETH_ALEN]; 813 }; 814 815 union mlx4_ext_av { 816 struct mlx4_av ib; 817 struct mlx4_eth_av eth; 818 }; 819 820 /* Counters should be saturate once they reach their maximum value */ 821 #define ASSIGN_32BIT_COUNTER(counter, value) do { \ 822 if ((value) > U32_MAX) \ 823 counter = cpu_to_be32(U32_MAX); \ 824 else \ 825 counter = cpu_to_be32(value); \ 826 } while (0) 827 828 struct mlx4_counter { 829 u8 reserved1[3]; 830 u8 counter_mode; 831 __be32 num_ifc; 832 u32 reserved2[2]; 833 __be64 rx_frames; 834 __be64 rx_bytes; 835 __be64 tx_frames; 836 __be64 tx_bytes; 837 }; 838 839 struct mlx4_quotas { 840 int qp; 841 int cq; 842 int srq; 843 int mpt; 844 int mtt; 845 int counter; 846 int xrcd; 847 }; 848 849 struct mlx4_vf_dev { 850 u8 min_port; 851 u8 n_ports; 852 }; 853 854 enum mlx4_pci_status { 855 MLX4_PCI_STATUS_DISABLED, 856 MLX4_PCI_STATUS_ENABLED, 857 }; 858 859 struct mlx4_dev_persistent { 860 struct pci_dev *pdev; 861 struct mlx4_dev *dev; 862 int nvfs[MLX4_MAX_PORTS + 1]; 863 int num_vfs; 864 enum mlx4_port_type curr_port_type[MLX4_MAX_PORTS + 1]; 865 enum mlx4_port_type curr_port_poss_type[MLX4_MAX_PORTS + 1]; 866 struct work_struct catas_work; 867 struct workqueue_struct *catas_wq; 868 struct mutex device_state_mutex; /* protect HW state */ 869 u8 state; 870 struct mutex interface_state_mutex; /* protect SW state */ 871 u8 interface_state; 872 struct mutex pci_status_mutex; /* sync pci state */ 873 enum mlx4_pci_status pci_status; 874 }; 875 876 struct mlx4_dev { 877 struct mlx4_dev_persistent *persist; 878 unsigned long flags; 879 unsigned long num_slaves; 880 struct mlx4_caps caps; 881 struct mlx4_phys_caps phys_caps; 882 struct mlx4_quotas quotas; 883 struct radix_tree_root qp_table_tree; 884 u8 rev_id; 885 u8 port_random_macs; 886 char board_id[MLX4_BOARD_ID_LEN]; 887 int numa_node; 888 int oper_log_mgm_entry_size; 889 u64 regid_promisc_array[MLX4_MAX_PORTS + 1]; 890 u64 regid_allmulti_array[MLX4_MAX_PORTS + 1]; 891 struct mlx4_vf_dev *dev_vfs; 892 u8 uar_page_shift; 893 }; 894 895 struct mlx4_clock_params { 896 u64 offset; 897 u8 bar; 898 u8 size; 899 }; 900 901 struct mlx4_eqe { 902 u8 reserved1; 903 u8 type; 904 u8 reserved2; 905 u8 subtype; 906 union { 907 u32 raw[6]; 908 struct { 909 __be32 cqn; 910 } __packed comp; 911 struct { 912 u16 reserved1; 913 __be16 token; 914 u32 reserved2; 915 u8 reserved3[3]; 916 u8 status; 917 __be64 out_param; 918 } __packed cmd; 919 struct { 920 __be32 qpn; 921 } __packed qp; 922 struct { 923 __be32 srqn; 924 } __packed srq; 925 struct { 926 __be32 cqn; 927 u32 reserved1; 928 u8 reserved2[3]; 929 u8 syndrome; 930 } __packed cq_err; 931 struct { 932 u32 reserved1[2]; 933 __be32 port; 934 } __packed port_change; 935 struct { 936 #define COMM_CHANNEL_BIT_ARRAY_SIZE 4 937 u32 reserved; 938 u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE]; 939 } __packed comm_channel_arm; 940 struct { 941 u8 port; 942 u8 reserved[3]; 943 __be64 mac; 944 } __packed mac_update; 945 struct { 946 __be32 slave_id; 947 } __packed flr_event; 948 struct { 949 __be16 current_temperature; 950 __be16 warning_threshold; 951 } __packed warming; 952 struct { 953 u8 reserved[3]; 954 u8 port; 955 union { 956 struct { 957 __be16 mstr_sm_lid; 958 __be16 port_lid; 959 __be32 changed_attr; 960 u8 reserved[3]; 961 u8 mstr_sm_sl; 962 __be64 gid_prefix; 963 } __packed port_info; 964 struct { 965 __be32 block_ptr; 966 __be32 tbl_entries_mask; 967 } __packed tbl_change_info; 968 struct { 969 u8 sl2vl_table[8]; 970 } __packed sl2vl_tbl_change_info; 971 } params; 972 } __packed port_mgmt_change; 973 struct { 974 u8 reserved[3]; 975 u8 port; 976 u32 reserved1[5]; 977 } __packed bad_cable; 978 } event; 979 u8 slave_id; 980 u8 reserved3[2]; 981 u8 owner; 982 } __packed; 983 984 struct mlx4_init_port_param { 985 int set_guid0; 986 int set_node_guid; 987 int set_si_guid; 988 u16 mtu; 989 int port_width_cap; 990 u16 vl_cap; 991 u16 max_gid; 992 u16 max_pkey; 993 u64 guid0; 994 u64 node_guid; 995 u64 si_guid; 996 }; 997 998 #define MAD_IFC_DATA_SZ 192 999 /* MAD IFC Mailbox */ 1000 struct mlx4_mad_ifc { 1001 u8 base_version; 1002 u8 mgmt_class; 1003 u8 class_version; 1004 u8 method; 1005 __be16 status; 1006 __be16 class_specific; 1007 __be64 tid; 1008 __be16 attr_id; 1009 __be16 resv; 1010 __be32 attr_mod; 1011 __be64 mkey; 1012 __be16 dr_slid; 1013 __be16 dr_dlid; 1014 u8 reserved[28]; 1015 u8 data[MAD_IFC_DATA_SZ]; 1016 } __packed; 1017 1018 #define mlx4_foreach_port(port, dev, type) \ 1019 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \ 1020 if ((type) == (dev)->caps.port_mask[(port)]) 1021 1022 #define mlx4_foreach_ib_transport_port(port, dev) \ 1023 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \ 1024 if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \ 1025 ((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_ETH)) 1026 1027 #define MLX4_INVALID_SLAVE_ID 0xFF 1028 #define MLX4_SINK_COUNTER_INDEX(dev) (dev->caps.max_counters - 1) 1029 1030 void handle_port_mgmt_change_event(struct work_struct *work); 1031 1032 static inline int mlx4_master_func_num(struct mlx4_dev *dev) 1033 { 1034 return dev->caps.function; 1035 } 1036 1037 static inline int mlx4_is_master(struct mlx4_dev *dev) 1038 { 1039 return dev->flags & MLX4_FLAG_MASTER; 1040 } 1041 1042 static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev) 1043 { 1044 return dev->phys_caps.base_sqpn + 8 + 1045 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev); 1046 } 1047 1048 static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn) 1049 { 1050 return (qpn < dev->phys_caps.base_sqpn + 8 + 1051 16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev) && 1052 qpn >= dev->phys_caps.base_sqpn) || 1053 (qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]); 1054 } 1055 1056 static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn) 1057 { 1058 int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8; 1059 1060 if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8) 1061 return 1; 1062 1063 return 0; 1064 } 1065 1066 static inline int mlx4_is_mfunc(struct mlx4_dev *dev) 1067 { 1068 return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER); 1069 } 1070 1071 static inline int mlx4_is_slave(struct mlx4_dev *dev) 1072 { 1073 return dev->flags & MLX4_FLAG_SLAVE; 1074 } 1075 1076 static inline int mlx4_is_eth(struct mlx4_dev *dev, int port) 1077 { 1078 return dev->caps.port_type[port] == MLX4_PORT_TYPE_IB ? 0 : 1; 1079 } 1080 1081 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct, 1082 struct mlx4_buf *buf); 1083 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf); 1084 static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset) 1085 { 1086 if (buf->nbufs == 1) 1087 return buf->direct.buf + offset; 1088 else 1089 return buf->page_list[offset >> PAGE_SHIFT].buf + 1090 (offset & (PAGE_SIZE - 1)); 1091 } 1092 1093 int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn); 1094 void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn); 1095 int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn); 1096 void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn); 1097 1098 int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar); 1099 void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar); 1100 int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node); 1101 void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf); 1102 1103 int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift, 1104 struct mlx4_mtt *mtt); 1105 void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt); 1106 u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt); 1107 1108 int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access, 1109 int npages, int page_shift, struct mlx4_mr *mr); 1110 int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr); 1111 int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr); 1112 int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type, 1113 struct mlx4_mw *mw); 1114 void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw); 1115 int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw); 1116 int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, 1117 int start_index, int npages, u64 *page_list); 1118 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, 1119 struct mlx4_buf *buf); 1120 1121 int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order); 1122 void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db); 1123 1124 int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres, 1125 int size); 1126 void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres, 1127 int size); 1128 1129 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt, 1130 struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq, 1131 unsigned vector, int collapsed, int timestamp_en); 1132 void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq); 1133 int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, 1134 int *base, u8 flags, u8 usage); 1135 void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt); 1136 1137 int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp); 1138 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp); 1139 1140 int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn, 1141 struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq); 1142 void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq); 1143 int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark); 1144 int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark); 1145 1146 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port); 1147 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port); 1148 1149 int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], 1150 int block_mcast_loopback, enum mlx4_protocol prot); 1151 int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], 1152 enum mlx4_protocol prot); 1153 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], 1154 u8 port, int block_mcast_loopback, 1155 enum mlx4_protocol protocol, u64 *reg_id); 1156 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], 1157 enum mlx4_protocol protocol, u64 reg_id); 1158 1159 enum { 1160 MLX4_DOMAIN_UVERBS = 0x1000, 1161 MLX4_DOMAIN_ETHTOOL = 0x2000, 1162 MLX4_DOMAIN_RFS = 0x3000, 1163 MLX4_DOMAIN_NIC = 0x5000, 1164 }; 1165 1166 enum mlx4_net_trans_rule_id { 1167 MLX4_NET_TRANS_RULE_ID_ETH = 0, 1168 MLX4_NET_TRANS_RULE_ID_IB, 1169 MLX4_NET_TRANS_RULE_ID_IPV6, 1170 MLX4_NET_TRANS_RULE_ID_IPV4, 1171 MLX4_NET_TRANS_RULE_ID_TCP, 1172 MLX4_NET_TRANS_RULE_ID_UDP, 1173 MLX4_NET_TRANS_RULE_ID_VXLAN, 1174 MLX4_NET_TRANS_RULE_NUM, /* should be last */ 1175 }; 1176 1177 extern const u16 __sw_id_hw[]; 1178 1179 static inline int map_hw_to_sw_id(u16 header_id) 1180 { 1181 1182 int i; 1183 for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) { 1184 if (header_id == __sw_id_hw[i]) 1185 return i; 1186 } 1187 return -EINVAL; 1188 } 1189 1190 enum mlx4_net_trans_promisc_mode { 1191 MLX4_FS_REGULAR = 1, 1192 MLX4_FS_ALL_DEFAULT, 1193 MLX4_FS_MC_DEFAULT, 1194 MLX4_FS_MIRROR_RX_PORT, 1195 MLX4_FS_MIRROR_SX_PORT, 1196 MLX4_FS_UC_SNIFFER, 1197 MLX4_FS_MC_SNIFFER, 1198 MLX4_FS_MODE_NUM, /* should be last */ 1199 }; 1200 1201 struct mlx4_spec_eth { 1202 u8 dst_mac[ETH_ALEN]; 1203 u8 dst_mac_msk[ETH_ALEN]; 1204 u8 src_mac[ETH_ALEN]; 1205 u8 src_mac_msk[ETH_ALEN]; 1206 u8 ether_type_enable; 1207 __be16 ether_type; 1208 __be16 vlan_id_msk; 1209 __be16 vlan_id; 1210 }; 1211 1212 struct mlx4_spec_tcp_udp { 1213 __be16 dst_port; 1214 __be16 dst_port_msk; 1215 __be16 src_port; 1216 __be16 src_port_msk; 1217 }; 1218 1219 struct mlx4_spec_ipv4 { 1220 __be32 dst_ip; 1221 __be32 dst_ip_msk; 1222 __be32 src_ip; 1223 __be32 src_ip_msk; 1224 }; 1225 1226 struct mlx4_spec_ib { 1227 __be32 l3_qpn; 1228 __be32 qpn_msk; 1229 u8 dst_gid[16]; 1230 u8 dst_gid_msk[16]; 1231 }; 1232 1233 struct mlx4_spec_vxlan { 1234 __be32 vni; 1235 __be32 vni_mask; 1236 1237 }; 1238 1239 struct mlx4_spec_list { 1240 struct list_head list; 1241 enum mlx4_net_trans_rule_id id; 1242 union { 1243 struct mlx4_spec_eth eth; 1244 struct mlx4_spec_ib ib; 1245 struct mlx4_spec_ipv4 ipv4; 1246 struct mlx4_spec_tcp_udp tcp_udp; 1247 struct mlx4_spec_vxlan vxlan; 1248 }; 1249 }; 1250 1251 enum mlx4_net_trans_hw_rule_queue { 1252 MLX4_NET_TRANS_Q_FIFO, 1253 MLX4_NET_TRANS_Q_LIFO, 1254 }; 1255 1256 struct mlx4_net_trans_rule { 1257 struct list_head list; 1258 enum mlx4_net_trans_hw_rule_queue queue_mode; 1259 bool exclusive; 1260 bool allow_loopback; 1261 enum mlx4_net_trans_promisc_mode promisc_mode; 1262 u8 port; 1263 u16 priority; 1264 u32 qpn; 1265 }; 1266 1267 struct mlx4_net_trans_rule_hw_ctrl { 1268 __be16 prio; 1269 u8 type; 1270 u8 flags; 1271 u8 rsvd1; 1272 u8 funcid; 1273 u8 vep; 1274 u8 port; 1275 __be32 qpn; 1276 __be32 rsvd2; 1277 }; 1278 1279 struct mlx4_net_trans_rule_hw_ib { 1280 u8 size; 1281 u8 rsvd1; 1282 __be16 id; 1283 u32 rsvd2; 1284 __be32 l3_qpn; 1285 __be32 qpn_mask; 1286 u8 dst_gid[16]; 1287 u8 dst_gid_msk[16]; 1288 } __packed; 1289 1290 struct mlx4_net_trans_rule_hw_eth { 1291 u8 size; 1292 u8 rsvd; 1293 __be16 id; 1294 u8 rsvd1[6]; 1295 u8 dst_mac[6]; 1296 u16 rsvd2; 1297 u8 dst_mac_msk[6]; 1298 u16 rsvd3; 1299 u8 src_mac[6]; 1300 u16 rsvd4; 1301 u8 src_mac_msk[6]; 1302 u8 rsvd5; 1303 u8 ether_type_enable; 1304 __be16 ether_type; 1305 __be16 vlan_tag_msk; 1306 __be16 vlan_tag; 1307 } __packed; 1308 1309 struct mlx4_net_trans_rule_hw_tcp_udp { 1310 u8 size; 1311 u8 rsvd; 1312 __be16 id; 1313 __be16 rsvd1[3]; 1314 __be16 dst_port; 1315 __be16 rsvd2; 1316 __be16 dst_port_msk; 1317 __be16 rsvd3; 1318 __be16 src_port; 1319 __be16 rsvd4; 1320 __be16 src_port_msk; 1321 } __packed; 1322 1323 struct mlx4_net_trans_rule_hw_ipv4 { 1324 u8 size; 1325 u8 rsvd; 1326 __be16 id; 1327 __be32 rsvd1; 1328 __be32 dst_ip; 1329 __be32 dst_ip_msk; 1330 __be32 src_ip; 1331 __be32 src_ip_msk; 1332 } __packed; 1333 1334 struct mlx4_net_trans_rule_hw_vxlan { 1335 u8 size; 1336 u8 rsvd; 1337 __be16 id; 1338 __be32 rsvd1; 1339 __be32 vni; 1340 __be32 vni_mask; 1341 } __packed; 1342 1343 struct _rule_hw { 1344 union { 1345 struct { 1346 u8 size; 1347 u8 rsvd; 1348 __be16 id; 1349 }; 1350 struct mlx4_net_trans_rule_hw_eth eth; 1351 struct mlx4_net_trans_rule_hw_ib ib; 1352 struct mlx4_net_trans_rule_hw_ipv4 ipv4; 1353 struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp; 1354 struct mlx4_net_trans_rule_hw_vxlan vxlan; 1355 }; 1356 }; 1357 1358 enum { 1359 VXLAN_STEER_BY_OUTER_MAC = 1 << 0, 1360 VXLAN_STEER_BY_OUTER_VLAN = 1 << 1, 1361 VXLAN_STEER_BY_VSID_VNI = 1 << 2, 1362 VXLAN_STEER_BY_INNER_MAC = 1 << 3, 1363 VXLAN_STEER_BY_INNER_VLAN = 1 << 4, 1364 }; 1365 1366 enum { 1367 MLX4_OP_MOD_QUERY_TRANSPORT_CI_ERRORS = 0x2, 1368 }; 1369 1370 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn, 1371 enum mlx4_net_trans_promisc_mode mode); 1372 int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port, 1373 enum mlx4_net_trans_promisc_mode mode); 1374 int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port); 1375 int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port); 1376 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port); 1377 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port); 1378 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode); 1379 1380 int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac); 1381 void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac); 1382 int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port); 1383 int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac); 1384 int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu, 1385 u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx); 1386 int mlx4_SET_PORT_user_mac(struct mlx4_dev *dev, u8 port, u8 *user_mac); 1387 int mlx4_SET_PORT_user_mtu(struct mlx4_dev *dev, u8 port, u16 user_mtu); 1388 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn, 1389 u8 promisc); 1390 int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time); 1391 int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port, 1392 u8 ignore_fcs_value); 1393 int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable); 1394 int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val); 1395 int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv); 1396 int mlx4_get_is_vlan_offload_disabled(struct mlx4_dev *dev, u8 port, 1397 bool *vlan_offload_disabled); 1398 void mlx4_handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl, 1399 struct _rule_hw *eth_header); 1400 int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx); 1401 int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx); 1402 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index); 1403 void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan); 1404 1405 int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list, 1406 int npages, u64 iova, u32 *lkey, u32 *rkey); 1407 int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages, 1408 int max_maps, u8 page_shift, struct mlx4_fmr *fmr); 1409 int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr); 1410 void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr, 1411 u32 *lkey, u32 *rkey); 1412 int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr); 1413 int mlx4_SYNC_TPT(struct mlx4_dev *dev); 1414 int mlx4_test_interrupt(struct mlx4_dev *dev, int vector); 1415 int mlx4_test_async(struct mlx4_dev *dev); 1416 int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier, 1417 const u32 offset[], u32 value[], 1418 size_t array_len, u8 port); 1419 u32 mlx4_get_eqs_per_port(struct mlx4_dev *dev, u8 port); 1420 bool mlx4_is_eq_vector_valid(struct mlx4_dev *dev, u8 port, int vector); 1421 struct cpu_rmap *mlx4_get_cpu_rmap(struct mlx4_dev *dev, int port); 1422 int mlx4_assign_eq(struct mlx4_dev *dev, u8 port, int *vector); 1423 void mlx4_release_eq(struct mlx4_dev *dev, int vec); 1424 1425 int mlx4_is_eq_shared(struct mlx4_dev *dev, int vector); 1426 int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec); 1427 1428 int mlx4_get_phys_port_id(struct mlx4_dev *dev); 1429 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port); 1430 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port); 1431 1432 int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage); 1433 void mlx4_counter_free(struct mlx4_dev *dev, u32 idx); 1434 int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port); 1435 1436 void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry, 1437 int port); 1438 __be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port); 1439 void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port); 1440 int mlx4_flow_attach(struct mlx4_dev *dev, 1441 struct mlx4_net_trans_rule *rule, u64 *reg_id); 1442 int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id); 1443 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev, 1444 enum mlx4_net_trans_promisc_mode flow_type); 1445 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev, 1446 enum mlx4_net_trans_rule_id id); 1447 int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id); 1448 1449 int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr, 1450 int port, int qpn, u16 prio, u64 *reg_id); 1451 1452 void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, 1453 int i, int val); 1454 1455 int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey); 1456 1457 int mlx4_is_slave_active(struct mlx4_dev *dev, int slave); 1458 int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port); 1459 int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port); 1460 int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr); 1461 int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change); 1462 enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port); 1463 int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event); 1464 1465 void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid); 1466 __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave); 1467 1468 int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid, 1469 int *slave_id); 1470 int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id, 1471 u8 *gid); 1472 1473 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn, 1474 u32 max_range_qpn); 1475 1476 u64 mlx4_read_clock(struct mlx4_dev *dev); 1477 1478 struct mlx4_active_ports { 1479 DECLARE_BITMAP(ports, MLX4_MAX_PORTS); 1480 }; 1481 /* Returns a bitmap of the physical ports which are assigned to slave */ 1482 struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave); 1483 1484 /* Returns the physical port that represents the virtual port of the slave, */ 1485 /* or a value < 0 in case of an error. If a slave has 2 ports, the identity */ 1486 /* mapping is returned. */ 1487 int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port); 1488 1489 struct mlx4_slaves_pport { 1490 DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX); 1491 }; 1492 /* Returns a bitmap of all slaves that are assigned to port. */ 1493 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev, 1494 int port); 1495 1496 /* Returns a bitmap of all slaves that are assigned exactly to all the */ 1497 /* the ports that are set in crit_ports. */ 1498 struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv( 1499 struct mlx4_dev *dev, 1500 const struct mlx4_active_ports *crit_ports); 1501 1502 /* Returns the slave's virtual port that represents the physical port. */ 1503 int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port); 1504 1505 int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port); 1506 1507 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port); 1508 int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis); 1509 int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port); 1510 int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2); 1511 int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port); 1512 int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port); 1513 int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port, 1514 int enable); 1515 int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, 1516 struct mlx4_mpt_entry ***mpt_entry); 1517 int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, 1518 struct mlx4_mpt_entry **mpt_entry); 1519 int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry, 1520 u32 pdn); 1521 int mlx4_mr_hw_change_access(struct mlx4_dev *dev, 1522 struct mlx4_mpt_entry *mpt_entry, 1523 u32 access); 1524 void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev, 1525 struct mlx4_mpt_entry **mpt_entry); 1526 void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr); 1527 int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr, 1528 u64 iova, u64 size, int npages, 1529 int page_shift, struct mlx4_mpt_entry *mpt_entry); 1530 1531 int mlx4_get_module_info(struct mlx4_dev *dev, u8 port, 1532 u16 offset, u16 size, u8 *data); 1533 int mlx4_max_tc(struct mlx4_dev *dev); 1534 1535 /* Returns true if running in low memory profile (kdump kernel) */ 1536 static inline bool mlx4_low_memory_profile(void) 1537 { 1538 return is_kdump_kernel(); 1539 } 1540 1541 /* ACCESS REG commands */ 1542 enum mlx4_access_reg_method { 1543 MLX4_ACCESS_REG_QUERY = 0x1, 1544 MLX4_ACCESS_REG_WRITE = 0x2, 1545 }; 1546 1547 /* ACCESS PTYS Reg command */ 1548 enum mlx4_ptys_proto { 1549 MLX4_PTYS_IB = 1<<0, 1550 MLX4_PTYS_EN = 1<<2, 1551 }; 1552 1553 enum mlx4_ptys_flags { 1554 MLX4_PTYS_AN_DISABLE_CAP = 1 << 5, 1555 MLX4_PTYS_AN_DISABLE_ADMIN = 1 << 6, 1556 }; 1557 1558 struct mlx4_ptys_reg { 1559 u8 flags; 1560 u8 local_port; 1561 u8 resrvd2; 1562 u8 proto_mask; 1563 __be32 resrvd3[2]; 1564 __be32 eth_proto_cap; 1565 __be16 ib_width_cap; 1566 __be16 ib_speed_cap; 1567 __be32 resrvd4; 1568 __be32 eth_proto_admin; 1569 __be16 ib_width_admin; 1570 __be16 ib_speed_admin; 1571 __be32 resrvd5; 1572 __be32 eth_proto_oper; 1573 __be16 ib_width_oper; 1574 __be16 ib_speed_oper; 1575 __be32 resrvd6; 1576 __be32 eth_proto_lp_adv; 1577 } __packed; 1578 1579 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, 1580 enum mlx4_access_reg_method method, 1581 struct mlx4_ptys_reg *ptys_reg); 1582 1583 int mlx4_get_internal_clock_params(struct mlx4_dev *dev, 1584 struct mlx4_clock_params *params); 1585 1586 static inline int mlx4_to_hw_uar_index(struct mlx4_dev *dev, int index) 1587 { 1588 return (index << (PAGE_SHIFT - dev->uar_page_shift)); 1589 } 1590 1591 static inline int mlx4_get_num_reserved_uar(struct mlx4_dev *dev) 1592 { 1593 /* The first 128 UARs are used for EQ doorbells */ 1594 return (128 >> (PAGE_SHIFT - dev->uar_page_shift)); 1595 } 1596 #endif /* MLX4_DEVICE_H */ 1597