1 /* 2 * Copyright (c) 2006, 2007 Cisco Systems. All rights reserved. 3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. 4 * 5 * This software is available to you under a choice of one of two 6 * licenses. You may choose to be licensed under the terms of the GNU 7 * General Public License (GPL) Version 2, available from the file 8 * COPYING in the main directory of this source tree, or the 9 * OpenIB.org BSD license below: 10 * 11 * Redistribution and use in source and binary forms, with or 12 * without modification, are permitted provided that the following 13 * conditions are met: 14 * 15 * - Redistributions of source code must retain the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer. 18 * 19 * - Redistributions in binary form must reproduce the above 20 * copyright notice, this list of conditions and the following 21 * disclaimer in the documentation and/or other materials 22 * provided with the distribution. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31 * SOFTWARE. 32 */ 33 34 #ifndef MLX4_IB_H 35 #define MLX4_IB_H 36 37 #include <linux/compiler.h> 38 #include <linux/list.h> 39 #include <linux/mutex.h> 40 #include <linux/idr.h> 41 42 #include <rdma/ib_verbs.h> 43 #include <rdma/ib_umem.h> 44 #include <rdma/ib_mad.h> 45 #include <rdma/ib_sa.h> 46 47 #include <linux/mlx4/device.h> 48 #include <linux/mlx4/doorbell.h> 49 #include <linux/mlx4/qp.h> 50 #include <linux/mlx4/cq.h> 51 52 #define MLX4_IB_DRV_NAME "mlx4_ib" 53 54 #ifdef pr_fmt 55 #undef pr_fmt 56 #endif 57 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__ 58 59 #define mlx4_ib_warn(ibdev, format, arg...) \ 60 dev_warn((ibdev)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg) 61 62 enum { 63 MLX4_IB_SQ_MIN_WQE_SHIFT = 6, 64 MLX4_IB_MAX_HEADROOM = 2048 65 }; 66 67 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1) 68 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT)) 69 70 /*module param to indicate if SM assigns the alias_GUID*/ 71 extern int mlx4_ib_sm_guid_assign; 72 73 #define MLX4_IB_UC_STEER_QPN_ALIGN 1 74 #define MLX4_IB_UC_MAX_NUM_QPS 256 75 76 enum hw_bar_type { 77 HW_BAR_BF, 78 HW_BAR_DB, 79 HW_BAR_CLOCK, 80 HW_BAR_COUNT 81 }; 82 83 struct mlx4_ib_vma_private_data { 84 struct vm_area_struct *vma; 85 }; 86 87 struct mlx4_ib_ucontext { 88 struct ib_ucontext ibucontext; 89 struct mlx4_uar uar; 90 struct list_head db_page_list; 91 struct mutex db_page_mutex; 92 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT]; 93 struct list_head wqn_ranges_list; 94 struct mutex wqn_ranges_mutex; /* protect wqn_ranges_list */ 95 }; 96 97 struct mlx4_ib_pd { 98 struct ib_pd ibpd; 99 u32 pdn; 100 }; 101 102 struct mlx4_ib_xrcd { 103 struct ib_xrcd ibxrcd; 104 u32 xrcdn; 105 struct ib_pd *pd; 106 struct ib_cq *cq; 107 }; 108 109 struct mlx4_ib_cq_buf { 110 struct mlx4_buf buf; 111 struct mlx4_mtt mtt; 112 int entry_size; 113 }; 114 115 struct mlx4_ib_cq_resize { 116 struct mlx4_ib_cq_buf buf; 117 int cqe; 118 }; 119 120 struct mlx4_ib_cq { 121 struct ib_cq ibcq; 122 struct mlx4_cq mcq; 123 struct mlx4_ib_cq_buf buf; 124 struct mlx4_ib_cq_resize *resize_buf; 125 struct mlx4_db db; 126 spinlock_t lock; 127 struct mutex resize_mutex; 128 struct ib_umem *umem; 129 struct ib_umem *resize_umem; 130 int create_flags; 131 /* List of qps that it serves.*/ 132 struct list_head send_qp_list; 133 struct list_head recv_qp_list; 134 }; 135 136 #define MLX4_MR_PAGES_ALIGN 0x40 137 138 struct mlx4_ib_mr { 139 struct ib_mr ibmr; 140 __be64 *pages; 141 dma_addr_t page_map; 142 u32 npages; 143 u32 max_pages; 144 struct mlx4_mr mmr; 145 struct ib_umem *umem; 146 size_t page_map_size; 147 }; 148 149 struct mlx4_ib_mw { 150 struct ib_mw ibmw; 151 struct mlx4_mw mmw; 152 }; 153 154 struct mlx4_ib_fmr { 155 struct ib_fmr ibfmr; 156 struct mlx4_fmr mfmr; 157 }; 158 159 #define MAX_REGS_PER_FLOW 2 160 161 struct mlx4_flow_reg_id { 162 u64 id; 163 u64 mirror; 164 }; 165 166 struct mlx4_ib_flow { 167 struct ib_flow ibflow; 168 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 169 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 170 }; 171 172 struct mlx4_ib_wq { 173 u64 *wrid; 174 spinlock_t lock; 175 int wqe_cnt; 176 int max_post; 177 int max_gs; 178 int offset; 179 int wqe_shift; 180 unsigned head; 181 unsigned tail; 182 }; 183 184 enum { 185 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START 186 }; 187 188 enum mlx4_ib_qp_flags { 189 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 190 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 191 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 192 193 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */ 194 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI, 195 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 196 MLX4_IB_SRIOV_SQP = 1 << 31, 197 }; 198 199 struct mlx4_ib_gid_entry { 200 struct list_head list; 201 union ib_gid gid; 202 int added; 203 u8 port; 204 }; 205 206 enum mlx4_ib_qp_type { 207 /* 208 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 209 * here (and in that order) since the MAD layer uses them as 210 * indices into a 2-entry table. 211 */ 212 MLX4_IB_QPT_SMI = IB_QPT_SMI, 213 MLX4_IB_QPT_GSI = IB_QPT_GSI, 214 215 MLX4_IB_QPT_RC = IB_QPT_RC, 216 MLX4_IB_QPT_UC = IB_QPT_UC, 217 MLX4_IB_QPT_UD = IB_QPT_UD, 218 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 219 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 220 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 221 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 222 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 223 224 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 225 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 226 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 227 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 228 MLX4_IB_QPT_TUN_SMI = 1 << 20, 229 MLX4_IB_QPT_TUN_GSI = 1 << 21, 230 }; 231 232 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 233 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 234 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 235 236 enum mlx4_ib_mad_ifc_flags { 237 MLX4_MAD_IFC_IGNORE_MKEY = 1, 238 MLX4_MAD_IFC_IGNORE_BKEY = 2, 239 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 240 MLX4_MAD_IFC_IGNORE_BKEY), 241 MLX4_MAD_IFC_NET_VIEW = 4, 242 }; 243 244 enum { 245 MLX4_NUM_TUNNEL_BUFS = 256, 246 }; 247 248 struct mlx4_ib_tunnel_header { 249 struct mlx4_av av; 250 __be32 remote_qpn; 251 __be32 qkey; 252 __be16 vlan; 253 u8 mac[6]; 254 __be16 pkey_index; 255 u8 reserved[6]; 256 }; 257 258 struct mlx4_ib_buf { 259 void *addr; 260 dma_addr_t map; 261 }; 262 263 struct mlx4_rcv_tunnel_hdr { 264 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 265 * 0x0 - no vlan was in the packet 266 * 0x01 - C-VLAN was in the packet */ 267 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 268 u8 reserved; 269 __be16 pkey_index; 270 __be16 sl_vid; 271 __be16 slid_mac_47_32; 272 __be32 mac_31_0; 273 }; 274 275 struct mlx4_ib_proxy_sqp_hdr { 276 struct ib_grh grh; 277 struct mlx4_rcv_tunnel_hdr tun; 278 } __packed; 279 280 struct mlx4_roce_smac_vlan_info { 281 u64 smac; 282 int smac_index; 283 int smac_port; 284 u64 candidate_smac; 285 int candidate_smac_index; 286 int candidate_smac_port; 287 u16 vid; 288 int vlan_index; 289 int vlan_port; 290 u16 candidate_vid; 291 int candidate_vlan_index; 292 int candidate_vlan_port; 293 int update_vid; 294 }; 295 296 struct mlx4_wqn_range { 297 int base_wqn; 298 int size; 299 int refcount; 300 bool dirty; 301 struct list_head list; 302 }; 303 304 struct mlx4_ib_rss { 305 unsigned int base_qpn_tbl_sz; 306 u8 flags; 307 u8 rss_key[MLX4_EN_RSS_KEY_SIZE]; 308 }; 309 310 struct mlx4_ib_qp { 311 union { 312 struct ib_qp ibqp; 313 struct ib_wq ibwq; 314 }; 315 struct mlx4_qp mqp; 316 struct mlx4_buf buf; 317 318 struct mlx4_db db; 319 struct mlx4_ib_wq rq; 320 321 u32 doorbell_qpn; 322 __be32 sq_signal_bits; 323 unsigned sq_next_wqe; 324 int sq_max_wqes_per_wr; 325 int sq_spare_wqes; 326 struct mlx4_ib_wq sq; 327 328 enum mlx4_ib_qp_type mlx4_ib_qp_type; 329 struct ib_umem *umem; 330 struct mlx4_mtt mtt; 331 int buf_size; 332 struct mutex mutex; 333 u16 xrcdn; 334 u32 flags; 335 u8 port; 336 u8 alt_port; 337 u8 atomic_rd_en; 338 u8 resp_depth; 339 u8 sq_no_prefetch; 340 u8 state; 341 int mlx_type; 342 u32 inl_recv_sz; 343 struct list_head gid_list; 344 struct list_head steering_rules; 345 struct mlx4_ib_buf *sqp_proxy_rcv; 346 struct mlx4_roce_smac_vlan_info pri; 347 struct mlx4_roce_smac_vlan_info alt; 348 u64 reg_id; 349 struct list_head qps_list; 350 struct list_head cq_recv_list; 351 struct list_head cq_send_list; 352 struct counter_index *counter_index; 353 struct mlx4_wqn_range *wqn_range; 354 /* Number of RSS QP parents that uses this WQ */ 355 u32 rss_usecnt; 356 struct mlx4_ib_rss *rss_ctx; 357 }; 358 359 struct mlx4_ib_srq { 360 struct ib_srq ibsrq; 361 struct mlx4_srq msrq; 362 struct mlx4_buf buf; 363 struct mlx4_db db; 364 u64 *wrid; 365 spinlock_t lock; 366 int head; 367 int tail; 368 u16 wqe_ctr; 369 struct ib_umem *umem; 370 struct mlx4_mtt mtt; 371 struct mutex mutex; 372 }; 373 374 struct mlx4_ib_ah { 375 struct ib_ah ibah; 376 union mlx4_ext_av av; 377 }; 378 379 /****************************************/ 380 /* alias guid support */ 381 /****************************************/ 382 #define NUM_PORT_ALIAS_GUID 2 383 #define NUM_ALIAS_GUID_IN_REC 8 384 #define NUM_ALIAS_GUID_REC_IN_PORT 16 385 #define GUID_REC_SIZE 8 386 #define NUM_ALIAS_GUID_PER_PORT 128 387 #define MLX4_NOT_SET_GUID (0x00LL) 388 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 389 390 enum mlx4_guid_alias_rec_status { 391 MLX4_GUID_INFO_STATUS_IDLE, 392 MLX4_GUID_INFO_STATUS_SET, 393 }; 394 395 #define GUID_STATE_NEED_PORT_INIT 0x01 396 397 enum mlx4_guid_alias_rec_method { 398 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 399 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 400 }; 401 402 struct mlx4_sriov_alias_guid_info_rec_det { 403 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 404 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 405 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 406 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 407 u64 time_to_run; 408 }; 409 410 struct mlx4_sriov_alias_guid_port_rec_det { 411 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 412 struct workqueue_struct *wq; 413 struct delayed_work alias_guid_work; 414 u8 port; 415 u32 state_flags; 416 struct mlx4_sriov_alias_guid *parent; 417 struct list_head cb_list; 418 }; 419 420 struct mlx4_sriov_alias_guid { 421 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 422 spinlock_t ag_work_lock; 423 struct ib_sa_client *sa_client; 424 }; 425 426 struct mlx4_ib_demux_work { 427 struct work_struct work; 428 struct mlx4_ib_dev *dev; 429 int slave; 430 int do_init; 431 u8 port; 432 433 }; 434 435 struct mlx4_ib_tun_tx_buf { 436 struct mlx4_ib_buf buf; 437 struct ib_ah *ah; 438 }; 439 440 struct mlx4_ib_demux_pv_qp { 441 struct ib_qp *qp; 442 enum ib_qp_type proxy_qpt; 443 struct mlx4_ib_buf *ring; 444 struct mlx4_ib_tun_tx_buf *tx_ring; 445 spinlock_t tx_lock; 446 unsigned tx_ix_head; 447 unsigned tx_ix_tail; 448 }; 449 450 enum mlx4_ib_demux_pv_state { 451 DEMUX_PV_STATE_DOWN, 452 DEMUX_PV_STATE_STARTING, 453 DEMUX_PV_STATE_ACTIVE, 454 DEMUX_PV_STATE_DOWNING, 455 }; 456 457 struct mlx4_ib_demux_pv_ctx { 458 int port; 459 int slave; 460 enum mlx4_ib_demux_pv_state state; 461 int has_smi; 462 struct ib_device *ib_dev; 463 struct ib_cq *cq; 464 struct ib_pd *pd; 465 struct work_struct work; 466 struct workqueue_struct *wq; 467 struct mlx4_ib_demux_pv_qp qp[2]; 468 }; 469 470 struct mlx4_ib_demux_ctx { 471 struct ib_device *ib_dev; 472 int port; 473 struct workqueue_struct *wq; 474 struct workqueue_struct *ud_wq; 475 spinlock_t ud_lock; 476 atomic64_t subnet_prefix; 477 __be64 guid_cache[128]; 478 struct mlx4_ib_dev *dev; 479 /* the following lock protects both mcg_table and mcg_mgid0_list */ 480 struct mutex mcg_table_lock; 481 struct rb_root mcg_table; 482 struct list_head mcg_mgid0_list; 483 struct workqueue_struct *mcg_wq; 484 struct mlx4_ib_demux_pv_ctx **tun; 485 atomic_t tid; 486 int flushing; /* flushing the work queue */ 487 }; 488 489 struct mlx4_ib_sriov { 490 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 491 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 492 /* when using this spinlock you should use "irq" because 493 * it may be called from interrupt context.*/ 494 spinlock_t going_down_lock; 495 int is_going_down; 496 497 struct mlx4_sriov_alias_guid alias_guid; 498 499 /* CM paravirtualization fields */ 500 struct list_head cm_list; 501 spinlock_t id_map_lock; 502 struct rb_root sl_id_map; 503 struct idr pv_id_table; 504 }; 505 506 struct gid_cache_context { 507 int real_index; 508 int refcount; 509 }; 510 511 struct gid_entry { 512 union ib_gid gid; 513 enum ib_gid_type gid_type; 514 struct gid_cache_context *ctx; 515 }; 516 517 struct mlx4_port_gid_table { 518 struct gid_entry gids[MLX4_MAX_PORT_GIDS]; 519 }; 520 521 struct mlx4_ib_iboe { 522 spinlock_t lock; 523 struct net_device *netdevs[MLX4_MAX_PORTS]; 524 atomic64_t mac[MLX4_MAX_PORTS]; 525 struct notifier_block nb; 526 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS]; 527 }; 528 529 struct pkey_mgt { 530 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 531 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 532 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 533 struct kobject *device_parent[MLX4_MFUNC_MAX]; 534 }; 535 536 struct mlx4_ib_iov_sysfs_attr { 537 void *ctx; 538 struct kobject *kobj; 539 unsigned long data; 540 u32 entry_num; 541 char name[15]; 542 struct device_attribute dentry; 543 struct device *dev; 544 }; 545 546 struct mlx4_ib_iov_sysfs_attr_ar { 547 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 548 }; 549 550 struct mlx4_ib_iov_port { 551 char name[100]; 552 u8 num; 553 struct mlx4_ib_dev *dev; 554 struct list_head list; 555 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 556 struct ib_port_attr attr; 557 struct kobject *cur_port; 558 struct kobject *admin_alias_parent; 559 struct kobject *gids_parent; 560 struct kobject *pkeys_parent; 561 struct kobject *mcgs_parent; 562 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 563 }; 564 565 struct counter_index { 566 struct list_head list; 567 u32 index; 568 u8 allocated; 569 }; 570 571 struct mlx4_ib_counters { 572 struct list_head counters_list; 573 struct mutex mutex; /* mutex for accessing counters list */ 574 u32 default_counter; 575 }; 576 577 #define MLX4_DIAG_COUNTERS_TYPES 2 578 579 struct mlx4_ib_diag_counters { 580 const char **name; 581 u32 *offset; 582 u32 num_counters; 583 }; 584 585 struct mlx4_ib_dev { 586 struct ib_device ib_dev; 587 struct mlx4_dev *dev; 588 int num_ports; 589 void __iomem *uar_map; 590 591 struct mlx4_uar priv_uar; 592 u32 priv_pdn; 593 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 594 595 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 596 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 597 spinlock_t sm_lock; 598 atomic64_t sl2vl[MLX4_MAX_PORTS]; 599 struct mlx4_ib_sriov sriov; 600 601 struct mutex cap_mask_mutex; 602 bool ib_active; 603 struct mlx4_ib_iboe iboe; 604 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS]; 605 int *eq_table; 606 struct kobject *iov_parent; 607 struct kobject *ports_parent; 608 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 609 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 610 struct pkey_mgt pkeys; 611 unsigned long *ib_uc_qpns_bitmap; 612 int steer_qpn_count; 613 int steer_qpn_base; 614 int steering_support; 615 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 616 /* lock when destroying qp1_proxy and getting netdev events */ 617 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 618 u8 bond_next_port; 619 /* protect resources needed as part of reset flow */ 620 spinlock_t reset_flow_resource_lock; 621 struct list_head qp_list; 622 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES]; 623 }; 624 625 struct ib_event_work { 626 struct work_struct work; 627 struct mlx4_ib_dev *ib_dev; 628 struct mlx4_eqe ib_eqe; 629 int port; 630 }; 631 632 struct mlx4_ib_qp_tunnel_init_attr { 633 struct ib_qp_init_attr init_attr; 634 int slave; 635 enum ib_qp_type proxy_qp_type; 636 u8 port; 637 }; 638 639 struct mlx4_uverbs_ex_query_device { 640 __u32 comp_mask; 641 __u32 reserved; 642 }; 643 644 enum query_device_resp_mask { 645 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, 646 }; 647 648 struct mlx4_ib_rss_caps { 649 __u64 rx_hash_fields_mask; /* enum mlx4_rx_hash_fields */ 650 __u8 rx_hash_function; /* enum mlx4_rx_hash_function_flags */ 651 __u8 reserved[7]; 652 }; 653 654 struct mlx4_uverbs_ex_query_device_resp { 655 __u32 comp_mask; 656 __u32 response_length; 657 __u64 hca_core_clock_offset; 658 __u32 max_inl_recv_sz; 659 struct mlx4_ib_rss_caps rss_caps; 660 }; 661 662 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 663 { 664 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 665 } 666 667 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 668 { 669 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 670 } 671 672 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 673 { 674 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 675 } 676 677 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 678 { 679 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 680 } 681 682 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 683 { 684 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 685 } 686 687 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 688 { 689 return container_of(mcq, struct mlx4_ib_cq, mcq); 690 } 691 692 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 693 { 694 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 695 } 696 697 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 698 { 699 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 700 } 701 702 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 703 { 704 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 705 } 706 707 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 708 { 709 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 710 } 711 712 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 713 { 714 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 715 } 716 717 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 718 { 719 return container_of(mqp, struct mlx4_ib_qp, mqp); 720 } 721 722 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 723 { 724 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 725 } 726 727 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 728 { 729 return container_of(msrq, struct mlx4_ib_srq, msrq); 730 } 731 732 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 733 { 734 return container_of(ibah, struct mlx4_ib_ah, ibah); 735 } 736 737 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 738 { 739 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 740 741 return dev->bond_next_port + 1; 742 } 743 744 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 745 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 746 747 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 748 struct mlx4_db *db); 749 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 750 751 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 752 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 753 struct ib_umem *umem); 754 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 755 u64 virt_addr, int access_flags, 756 struct ib_udata *udata); 757 int mlx4_ib_dereg_mr(struct ib_mr *mr); 758 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, 759 struct ib_udata *udata); 760 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 761 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, 762 enum ib_mr_type mr_type, 763 u32 max_num_sg); 764 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, 765 unsigned int *sg_offset); 766 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 767 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 768 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, 769 const struct ib_cq_init_attr *attr, 770 struct ib_ucontext *context, 771 struct ib_udata *udata); 772 int mlx4_ib_destroy_cq(struct ib_cq *cq); 773 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 774 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 775 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 776 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 777 778 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr, 779 struct ib_udata *udata); 780 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr); 781 int mlx4_ib_destroy_ah(struct ib_ah *ah); 782 783 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 784 struct ib_srq_init_attr *init_attr, 785 struct ib_udata *udata); 786 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 787 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 788 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 789 int mlx4_ib_destroy_srq(struct ib_srq *srq); 790 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 791 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 792 struct ib_recv_wr **bad_wr); 793 794 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 795 struct ib_qp_init_attr *init_attr, 796 struct ib_udata *udata); 797 int mlx4_ib_destroy_qp(struct ib_qp *qp); 798 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 799 int attr_mask, struct ib_udata *udata); 800 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 801 struct ib_qp_init_attr *qp_init_attr); 802 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 803 struct ib_send_wr **bad_wr); 804 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 805 struct ib_recv_wr **bad_wr); 806 807 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 808 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 809 const void *in_mad, void *response_mad); 810 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 811 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 812 const struct ib_mad_hdr *in, size_t in_mad_size, 813 struct ib_mad_hdr *out, size_t *out_mad_size, 814 u16 *out_mad_pkey_index); 815 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 816 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 817 818 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 819 struct ib_fmr_attr *fmr_attr); 820 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 821 u64 iova); 822 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 823 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 824 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 825 struct ib_port_attr *props, int netw_view); 826 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 827 u16 *pkey, int netw_view); 828 829 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 830 union ib_gid *gid, int netw_view); 831 832 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 833 { 834 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 835 836 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 837 return true; 838 839 return !!(ah->av.ib.g_slid & 0x80); 840 } 841 842 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 843 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 844 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 845 int mlx4_ib_mcg_init(void); 846 void mlx4_ib_mcg_destroy(void); 847 848 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 849 850 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 851 struct ib_sa_mad *sa_mad); 852 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 853 struct ib_sa_mad *mad); 854 855 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 856 union ib_gid *gid); 857 858 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 859 enum ib_event_type type); 860 861 void mlx4_ib_tunnels_update_work(struct work_struct *work); 862 863 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 864 enum ib_qp_type qpt, struct ib_wc *wc, 865 struct ib_grh *grh, struct ib_mad *mad); 866 867 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 868 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 869 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac, 870 u16 vlan_id, struct ib_mad *mad); 871 872 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 873 874 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 875 struct ib_mad *mad); 876 877 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 878 struct ib_mad *mad); 879 880 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 881 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 882 883 /* alias guid support */ 884 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 885 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 886 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 887 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 888 889 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 890 int block_num, 891 u8 port_num, u8 *p_data); 892 893 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 894 int block_num, u8 port_num, 895 u8 *p_data); 896 897 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 898 struct attribute *attr); 899 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 900 struct attribute *attr); 901 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 902 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 903 int port, int slave_init); 904 905 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 906 907 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 908 909 __be64 mlx4_ib_gen_node_guid(void); 910 911 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 912 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 913 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 914 int is_attach); 915 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 916 u64 start, u64 length, u64 virt_addr, 917 int mr_access_flags, struct ib_pd *pd, 918 struct ib_udata *udata); 919 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, 920 u8 port_num, int index); 921 922 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev, 923 int port); 924 925 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port); 926 927 struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd, 928 struct ib_wq_init_attr *init_attr, 929 struct ib_udata *udata); 930 int mlx4_ib_destroy_wq(struct ib_wq *wq); 931 int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 932 u32 wq_attr_mask, struct ib_udata *udata); 933 934 struct ib_rwq_ind_table 935 *mlx4_ib_create_rwq_ind_table(struct ib_device *device, 936 struct ib_rwq_ind_table_init_attr *init_attr, 937 struct ib_udata *udata); 938 int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table); 939 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va, 940 int *num_of_mtts); 941 942 #endif /* MLX4_IB_H */ 943