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_ucontext { 84 struct ib_ucontext ibucontext; 85 struct mlx4_uar uar; 86 struct list_head db_page_list; 87 struct mutex db_page_mutex; 88 struct list_head wqn_ranges_list; 89 struct mutex wqn_ranges_mutex; /* protect wqn_ranges_list */ 90 }; 91 92 struct mlx4_ib_pd { 93 struct ib_pd ibpd; 94 u32 pdn; 95 }; 96 97 struct mlx4_ib_xrcd { 98 struct ib_xrcd ibxrcd; 99 u32 xrcdn; 100 struct ib_pd *pd; 101 struct ib_cq *cq; 102 }; 103 104 struct mlx4_ib_cq_buf { 105 struct mlx4_buf buf; 106 struct mlx4_mtt mtt; 107 int entry_size; 108 }; 109 110 struct mlx4_ib_cq_resize { 111 struct mlx4_ib_cq_buf buf; 112 int cqe; 113 }; 114 115 struct mlx4_ib_cq { 116 struct ib_cq ibcq; 117 struct mlx4_cq mcq; 118 struct mlx4_ib_cq_buf buf; 119 struct mlx4_ib_cq_resize *resize_buf; 120 struct mlx4_db db; 121 spinlock_t lock; 122 struct mutex resize_mutex; 123 struct ib_umem *umem; 124 struct ib_umem *resize_umem; 125 int create_flags; 126 /* List of qps that it serves.*/ 127 struct list_head send_qp_list; 128 struct list_head recv_qp_list; 129 }; 130 131 #define MLX4_MR_PAGES_ALIGN 0x40 132 133 struct mlx4_ib_mr { 134 struct ib_mr ibmr; 135 __be64 *pages; 136 dma_addr_t page_map; 137 u32 npages; 138 u32 max_pages; 139 struct mlx4_mr mmr; 140 struct ib_umem *umem; 141 size_t page_map_size; 142 }; 143 144 struct mlx4_ib_mw { 145 struct ib_mw ibmw; 146 struct mlx4_mw mmw; 147 }; 148 149 struct mlx4_ib_fmr { 150 struct ib_fmr ibfmr; 151 struct mlx4_fmr mfmr; 152 }; 153 154 #define MAX_REGS_PER_FLOW 2 155 156 struct mlx4_flow_reg_id { 157 u64 id; 158 u64 mirror; 159 }; 160 161 struct mlx4_ib_flow { 162 struct ib_flow ibflow; 163 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 164 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 165 }; 166 167 struct mlx4_ib_wq { 168 u64 *wrid; 169 spinlock_t lock; 170 int wqe_cnt; 171 int max_post; 172 int max_gs; 173 int offset; 174 int wqe_shift; 175 unsigned head; 176 unsigned tail; 177 }; 178 179 enum { 180 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START 181 }; 182 183 enum mlx4_ib_qp_flags { 184 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 185 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 186 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 187 MLX4_IB_QP_SCATTER_FCS = IB_QP_CREATE_SCATTER_FCS, 188 189 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */ 190 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI, 191 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 192 MLX4_IB_SRIOV_SQP = 1 << 31, 193 }; 194 195 struct mlx4_ib_gid_entry { 196 struct list_head list; 197 union ib_gid gid; 198 int added; 199 u8 port; 200 }; 201 202 enum mlx4_ib_qp_type { 203 /* 204 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 205 * here (and in that order) since the MAD layer uses them as 206 * indices into a 2-entry table. 207 */ 208 MLX4_IB_QPT_SMI = IB_QPT_SMI, 209 MLX4_IB_QPT_GSI = IB_QPT_GSI, 210 211 MLX4_IB_QPT_RC = IB_QPT_RC, 212 MLX4_IB_QPT_UC = IB_QPT_UC, 213 MLX4_IB_QPT_UD = IB_QPT_UD, 214 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 215 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 216 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 217 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 218 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 219 220 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 221 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 222 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 223 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 224 MLX4_IB_QPT_TUN_SMI = 1 << 20, 225 MLX4_IB_QPT_TUN_GSI = 1 << 21, 226 }; 227 228 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 229 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 230 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 231 232 enum mlx4_ib_mad_ifc_flags { 233 MLX4_MAD_IFC_IGNORE_MKEY = 1, 234 MLX4_MAD_IFC_IGNORE_BKEY = 2, 235 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 236 MLX4_MAD_IFC_IGNORE_BKEY), 237 MLX4_MAD_IFC_NET_VIEW = 4, 238 }; 239 240 enum { 241 MLX4_NUM_TUNNEL_BUFS = 256, 242 }; 243 244 struct mlx4_ib_tunnel_header { 245 struct mlx4_av av; 246 __be32 remote_qpn; 247 __be32 qkey; 248 __be16 vlan; 249 u8 mac[6]; 250 __be16 pkey_index; 251 u8 reserved[6]; 252 }; 253 254 struct mlx4_ib_buf { 255 void *addr; 256 dma_addr_t map; 257 }; 258 259 struct mlx4_rcv_tunnel_hdr { 260 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 261 * 0x0 - no vlan was in the packet 262 * 0x01 - C-VLAN was in the packet */ 263 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 264 u8 reserved; 265 __be16 pkey_index; 266 __be16 sl_vid; 267 __be16 slid_mac_47_32; 268 __be32 mac_31_0; 269 }; 270 271 struct mlx4_ib_proxy_sqp_hdr { 272 struct ib_grh grh; 273 struct mlx4_rcv_tunnel_hdr tun; 274 } __packed; 275 276 struct mlx4_roce_smac_vlan_info { 277 u64 smac; 278 int smac_index; 279 int smac_port; 280 u64 candidate_smac; 281 int candidate_smac_index; 282 int candidate_smac_port; 283 u16 vid; 284 int vlan_index; 285 int vlan_port; 286 u16 candidate_vid; 287 int candidate_vlan_index; 288 int candidate_vlan_port; 289 int update_vid; 290 }; 291 292 struct mlx4_wqn_range { 293 int base_wqn; 294 int size; 295 int refcount; 296 bool dirty; 297 struct list_head list; 298 }; 299 300 struct mlx4_ib_rss { 301 unsigned int base_qpn_tbl_sz; 302 u8 flags; 303 u8 rss_key[MLX4_EN_RSS_KEY_SIZE]; 304 }; 305 306 struct mlx4_ib_qp { 307 union { 308 struct ib_qp ibqp; 309 struct ib_wq ibwq; 310 }; 311 struct mlx4_qp mqp; 312 struct mlx4_buf buf; 313 314 struct mlx4_db db; 315 struct mlx4_ib_wq rq; 316 317 u32 doorbell_qpn; 318 __be32 sq_signal_bits; 319 unsigned sq_next_wqe; 320 int sq_spare_wqes; 321 struct mlx4_ib_wq sq; 322 323 enum mlx4_ib_qp_type mlx4_ib_qp_type; 324 struct ib_umem *umem; 325 struct mlx4_mtt mtt; 326 int buf_size; 327 struct mutex mutex; 328 u16 xrcdn; 329 u32 flags; 330 u8 port; 331 u8 alt_port; 332 u8 atomic_rd_en; 333 u8 resp_depth; 334 u8 sq_no_prefetch; 335 u8 state; 336 int mlx_type; 337 u32 inl_recv_sz; 338 struct list_head gid_list; 339 struct list_head steering_rules; 340 struct mlx4_ib_buf *sqp_proxy_rcv; 341 struct mlx4_roce_smac_vlan_info pri; 342 struct mlx4_roce_smac_vlan_info alt; 343 u64 reg_id; 344 struct list_head qps_list; 345 struct list_head cq_recv_list; 346 struct list_head cq_send_list; 347 struct counter_index *counter_index; 348 struct mlx4_wqn_range *wqn_range; 349 /* Number of RSS QP parents that uses this WQ */ 350 u32 rss_usecnt; 351 struct mlx4_ib_rss *rss_ctx; 352 }; 353 354 struct mlx4_ib_srq { 355 struct ib_srq ibsrq; 356 struct mlx4_srq msrq; 357 struct mlx4_buf buf; 358 struct mlx4_db db; 359 u64 *wrid; 360 spinlock_t lock; 361 int head; 362 int tail; 363 u16 wqe_ctr; 364 struct ib_umem *umem; 365 struct mlx4_mtt mtt; 366 struct mutex mutex; 367 }; 368 369 struct mlx4_ib_ah { 370 struct ib_ah ibah; 371 union mlx4_ext_av av; 372 }; 373 374 /****************************************/ 375 /* alias guid support */ 376 /****************************************/ 377 #define NUM_PORT_ALIAS_GUID 2 378 #define NUM_ALIAS_GUID_IN_REC 8 379 #define NUM_ALIAS_GUID_REC_IN_PORT 16 380 #define GUID_REC_SIZE 8 381 #define NUM_ALIAS_GUID_PER_PORT 128 382 #define MLX4_NOT_SET_GUID (0x00LL) 383 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 384 385 enum mlx4_guid_alias_rec_status { 386 MLX4_GUID_INFO_STATUS_IDLE, 387 MLX4_GUID_INFO_STATUS_SET, 388 }; 389 390 #define GUID_STATE_NEED_PORT_INIT 0x01 391 392 enum mlx4_guid_alias_rec_method { 393 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 394 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 395 }; 396 397 struct mlx4_sriov_alias_guid_info_rec_det { 398 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 399 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 400 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 401 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 402 u64 time_to_run; 403 }; 404 405 struct mlx4_sriov_alias_guid_port_rec_det { 406 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 407 struct workqueue_struct *wq; 408 struct delayed_work alias_guid_work; 409 u8 port; 410 u32 state_flags; 411 struct mlx4_sriov_alias_guid *parent; 412 struct list_head cb_list; 413 }; 414 415 struct mlx4_sriov_alias_guid { 416 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 417 spinlock_t ag_work_lock; 418 struct ib_sa_client *sa_client; 419 }; 420 421 struct mlx4_ib_demux_work { 422 struct work_struct work; 423 struct mlx4_ib_dev *dev; 424 int slave; 425 int do_init; 426 u8 port; 427 428 }; 429 430 struct mlx4_ib_tun_tx_buf { 431 struct mlx4_ib_buf buf; 432 struct ib_ah *ah; 433 }; 434 435 struct mlx4_ib_demux_pv_qp { 436 struct ib_qp *qp; 437 enum ib_qp_type proxy_qpt; 438 struct mlx4_ib_buf *ring; 439 struct mlx4_ib_tun_tx_buf *tx_ring; 440 spinlock_t tx_lock; 441 unsigned tx_ix_head; 442 unsigned tx_ix_tail; 443 }; 444 445 enum mlx4_ib_demux_pv_state { 446 DEMUX_PV_STATE_DOWN, 447 DEMUX_PV_STATE_STARTING, 448 DEMUX_PV_STATE_ACTIVE, 449 DEMUX_PV_STATE_DOWNING, 450 }; 451 452 struct mlx4_ib_demux_pv_ctx { 453 int port; 454 int slave; 455 enum mlx4_ib_demux_pv_state state; 456 int has_smi; 457 struct ib_device *ib_dev; 458 struct ib_cq *cq; 459 struct ib_pd *pd; 460 struct work_struct work; 461 struct workqueue_struct *wq; 462 struct mlx4_ib_demux_pv_qp qp[2]; 463 }; 464 465 struct mlx4_ib_demux_ctx { 466 struct ib_device *ib_dev; 467 int port; 468 struct workqueue_struct *wq; 469 struct workqueue_struct *ud_wq; 470 spinlock_t ud_lock; 471 atomic64_t subnet_prefix; 472 __be64 guid_cache[128]; 473 struct mlx4_ib_dev *dev; 474 /* the following lock protects both mcg_table and mcg_mgid0_list */ 475 struct mutex mcg_table_lock; 476 struct rb_root mcg_table; 477 struct list_head mcg_mgid0_list; 478 struct workqueue_struct *mcg_wq; 479 struct mlx4_ib_demux_pv_ctx **tun; 480 atomic_t tid; 481 int flushing; /* flushing the work queue */ 482 }; 483 484 struct mlx4_ib_sriov { 485 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 486 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 487 /* when using this spinlock you should use "irq" because 488 * it may be called from interrupt context.*/ 489 spinlock_t going_down_lock; 490 int is_going_down; 491 492 struct mlx4_sriov_alias_guid alias_guid; 493 494 /* CM paravirtualization fields */ 495 struct xarray pv_id_table; 496 u32 pv_id_next; 497 spinlock_t id_map_lock; 498 struct rb_root sl_id_map; 499 struct list_head cm_list; 500 }; 501 502 struct gid_cache_context { 503 int real_index; 504 int refcount; 505 }; 506 507 struct gid_entry { 508 union ib_gid gid; 509 enum ib_gid_type gid_type; 510 struct gid_cache_context *ctx; 511 }; 512 513 struct mlx4_port_gid_table { 514 struct gid_entry gids[MLX4_MAX_PORT_GIDS]; 515 }; 516 517 struct mlx4_ib_iboe { 518 spinlock_t lock; 519 struct net_device *netdevs[MLX4_MAX_PORTS]; 520 atomic64_t mac[MLX4_MAX_PORTS]; 521 struct notifier_block nb; 522 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS]; 523 enum ib_port_state last_port_state[MLX4_MAX_PORTS]; 524 }; 525 526 struct pkey_mgt { 527 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 528 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 529 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 530 struct kobject *device_parent[MLX4_MFUNC_MAX]; 531 }; 532 533 struct mlx4_ib_iov_sysfs_attr { 534 void *ctx; 535 struct kobject *kobj; 536 unsigned long data; 537 u32 entry_num; 538 char name[15]; 539 struct device_attribute dentry; 540 struct device *dev; 541 }; 542 543 struct mlx4_ib_iov_sysfs_attr_ar { 544 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 545 }; 546 547 struct mlx4_ib_iov_port { 548 char name[100]; 549 u8 num; 550 struct mlx4_ib_dev *dev; 551 struct list_head list; 552 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 553 struct ib_port_attr attr; 554 struct kobject *cur_port; 555 struct kobject *admin_alias_parent; 556 struct kobject *gids_parent; 557 struct kobject *pkeys_parent; 558 struct kobject *mcgs_parent; 559 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 560 }; 561 562 struct counter_index { 563 struct list_head list; 564 u32 index; 565 u8 allocated; 566 }; 567 568 struct mlx4_ib_counters { 569 struct list_head counters_list; 570 struct mutex mutex; /* mutex for accessing counters list */ 571 u32 default_counter; 572 }; 573 574 #define MLX4_DIAG_COUNTERS_TYPES 2 575 576 struct mlx4_ib_diag_counters { 577 const char **name; 578 u32 *offset; 579 u32 num_counters; 580 }; 581 582 struct mlx4_ib_dev { 583 struct ib_device ib_dev; 584 struct mlx4_dev *dev; 585 int num_ports; 586 void __iomem *uar_map; 587 588 struct mlx4_uar priv_uar; 589 u32 priv_pdn; 590 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 591 592 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 593 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 594 spinlock_t sm_lock; 595 atomic64_t sl2vl[MLX4_MAX_PORTS]; 596 struct mlx4_ib_sriov sriov; 597 598 struct mutex cap_mask_mutex; 599 bool ib_active; 600 struct mlx4_ib_iboe iboe; 601 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS]; 602 int *eq_table; 603 struct kobject *iov_parent; 604 struct kobject *ports_parent; 605 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 606 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 607 struct pkey_mgt pkeys; 608 unsigned long *ib_uc_qpns_bitmap; 609 int steer_qpn_count; 610 int steer_qpn_base; 611 int steering_support; 612 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 613 /* lock when destroying qp1_proxy and getting netdev events */ 614 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 615 u8 bond_next_port; 616 /* protect resources needed as part of reset flow */ 617 spinlock_t reset_flow_resource_lock; 618 struct list_head qp_list; 619 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES]; 620 }; 621 622 struct ib_event_work { 623 struct work_struct work; 624 struct mlx4_ib_dev *ib_dev; 625 struct mlx4_eqe ib_eqe; 626 int port; 627 }; 628 629 struct mlx4_ib_qp_tunnel_init_attr { 630 struct ib_qp_init_attr init_attr; 631 int slave; 632 enum ib_qp_type proxy_qp_type; 633 u8 port; 634 }; 635 636 struct mlx4_uverbs_ex_query_device { 637 __u32 comp_mask; 638 __u32 reserved; 639 }; 640 641 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 642 { 643 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 644 } 645 646 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 647 { 648 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 649 } 650 651 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 652 { 653 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 654 } 655 656 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 657 { 658 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 659 } 660 661 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 662 { 663 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 664 } 665 666 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 667 { 668 return container_of(mcq, struct mlx4_ib_cq, mcq); 669 } 670 671 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 672 { 673 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 674 } 675 676 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 677 { 678 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 679 } 680 681 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 682 { 683 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 684 } 685 686 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 687 { 688 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 689 } 690 691 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 692 { 693 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 694 } 695 696 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 697 { 698 return container_of(mqp, struct mlx4_ib_qp, mqp); 699 } 700 701 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 702 { 703 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 704 } 705 706 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 707 { 708 return container_of(msrq, struct mlx4_ib_srq, msrq); 709 } 710 711 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 712 { 713 return container_of(ibah, struct mlx4_ib_ah, ibah); 714 } 715 716 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 717 { 718 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 719 720 return dev->bond_next_port + 1; 721 } 722 723 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 724 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 725 726 int mlx4_ib_db_map_user(struct ib_udata *udata, unsigned long virt, 727 struct mlx4_db *db); 728 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 729 730 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 731 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 732 struct ib_umem *umem); 733 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 734 u64 virt_addr, int access_flags, 735 struct ib_udata *udata); 736 int mlx4_ib_dereg_mr(struct ib_mr *mr, struct ib_udata *udata); 737 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, 738 struct ib_udata *udata); 739 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 740 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, 741 u32 max_num_sg, struct ib_udata *udata); 742 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, 743 unsigned int *sg_offset); 744 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 745 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 746 int mlx4_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, 747 struct ib_udata *udata); 748 void mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata); 749 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 750 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 751 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 752 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 753 754 int mlx4_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags, 755 struct ib_udata *udata); 756 int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, 757 int slave_sgid_index, u8 *s_mac, u16 vlan_tag); 758 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr); 759 void mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags); 760 761 int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr, 762 struct ib_udata *udata); 763 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 764 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 765 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 766 void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); 767 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 768 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, 769 const struct ib_recv_wr **bad_wr); 770 771 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 772 struct ib_qp_init_attr *init_attr, 773 struct ib_udata *udata); 774 int mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata); 775 void mlx4_ib_drain_sq(struct ib_qp *qp); 776 void mlx4_ib_drain_rq(struct ib_qp *qp); 777 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 778 int attr_mask, struct ib_udata *udata); 779 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 780 struct ib_qp_init_attr *qp_init_attr); 781 int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 782 const struct ib_send_wr **bad_wr); 783 int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 784 const struct ib_recv_wr **bad_wr); 785 786 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 787 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 788 const void *in_mad, void *response_mad); 789 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 790 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 791 const struct ib_mad_hdr *in, size_t in_mad_size, 792 struct ib_mad_hdr *out, size_t *out_mad_size, 793 u16 *out_mad_pkey_index); 794 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 795 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 796 797 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 798 struct ib_fmr_attr *fmr_attr); 799 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 800 u64 iova); 801 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 802 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 803 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 804 struct ib_port_attr *props, int netw_view); 805 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 806 u16 *pkey, int netw_view); 807 808 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 809 union ib_gid *gid, int netw_view); 810 811 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 812 { 813 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 814 815 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 816 return true; 817 818 return !!(ah->av.ib.g_slid & 0x80); 819 } 820 821 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 822 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 823 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 824 int mlx4_ib_mcg_init(void); 825 void mlx4_ib_mcg_destroy(void); 826 827 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 828 829 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 830 struct ib_sa_mad *sa_mad); 831 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 832 struct ib_sa_mad *mad); 833 834 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 835 union ib_gid *gid); 836 837 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 838 enum ib_event_type type); 839 840 void mlx4_ib_tunnels_update_work(struct work_struct *work); 841 842 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 843 enum ib_qp_type qpt, struct ib_wc *wc, 844 struct ib_grh *grh, struct ib_mad *mad); 845 846 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 847 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 848 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac, 849 u16 vlan_id, struct ib_mad *mad); 850 851 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 852 853 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 854 struct ib_mad *mad); 855 856 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 857 struct ib_mad *mad); 858 859 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 860 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 861 862 /* alias guid support */ 863 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 864 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 865 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 866 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 867 868 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 869 int block_num, 870 u8 port_num, u8 *p_data); 871 872 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 873 int block_num, u8 port_num, 874 u8 *p_data); 875 876 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 877 struct attribute *attr); 878 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 879 struct attribute *attr); 880 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 881 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 882 int port, int slave_init); 883 884 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 885 886 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 887 888 __be64 mlx4_ib_gen_node_guid(void); 889 890 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 891 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 892 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 893 int is_attach); 894 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 895 u64 start, u64 length, u64 virt_addr, 896 int mr_access_flags, struct ib_pd *pd, 897 struct ib_udata *udata); 898 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, 899 const struct ib_gid_attr *attr); 900 901 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev, 902 int port); 903 904 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port); 905 906 struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd, 907 struct ib_wq_init_attr *init_attr, 908 struct ib_udata *udata); 909 void mlx4_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata); 910 int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 911 u32 wq_attr_mask, struct ib_udata *udata); 912 913 struct ib_rwq_ind_table 914 *mlx4_ib_create_rwq_ind_table(struct ib_device *device, 915 struct ib_rwq_ind_table_init_attr *init_attr, 916 struct ib_udata *udata); 917 int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table); 918 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va, 919 int *num_of_mtts); 920 921 #endif /* MLX4_IB_H */ 922