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 50 #define MLX4_IB_DRV_NAME "mlx4_ib" 51 52 #ifdef pr_fmt 53 #undef pr_fmt 54 #endif 55 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__ 56 57 #define mlx4_ib_warn(ibdev, format, arg...) \ 58 dev_warn((ibdev)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg) 59 60 enum { 61 MLX4_IB_SQ_MIN_WQE_SHIFT = 6, 62 MLX4_IB_MAX_HEADROOM = 2048 63 }; 64 65 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1) 66 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT)) 67 68 /*module param to indicate if SM assigns the alias_GUID*/ 69 extern int mlx4_ib_sm_guid_assign; 70 71 #define MLX4_IB_UC_STEER_QPN_ALIGN 1 72 #define MLX4_IB_UC_MAX_NUM_QPS 256 73 74 enum hw_bar_type { 75 HW_BAR_BF, 76 HW_BAR_DB, 77 HW_BAR_CLOCK, 78 HW_BAR_COUNT 79 }; 80 81 struct mlx4_ib_vma_private_data { 82 struct vm_area_struct *vma; 83 }; 84 85 struct mlx4_ib_ucontext { 86 struct ib_ucontext ibucontext; 87 struct mlx4_uar uar; 88 struct list_head db_page_list; 89 struct mutex db_page_mutex; 90 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT]; 91 }; 92 93 struct mlx4_ib_pd { 94 struct ib_pd ibpd; 95 u32 pdn; 96 }; 97 98 struct mlx4_ib_xrcd { 99 struct ib_xrcd ibxrcd; 100 u32 xrcdn; 101 struct ib_pd *pd; 102 struct ib_cq *cq; 103 }; 104 105 struct mlx4_ib_cq_buf { 106 struct mlx4_buf buf; 107 struct mlx4_mtt mtt; 108 int entry_size; 109 }; 110 111 struct mlx4_ib_cq_resize { 112 struct mlx4_ib_cq_buf buf; 113 int cqe; 114 }; 115 116 struct mlx4_ib_cq { 117 struct ib_cq ibcq; 118 struct mlx4_cq mcq; 119 struct mlx4_ib_cq_buf buf; 120 struct mlx4_ib_cq_resize *resize_buf; 121 struct mlx4_db db; 122 spinlock_t lock; 123 struct mutex resize_mutex; 124 struct ib_umem *umem; 125 struct ib_umem *resize_umem; 126 int create_flags; 127 /* List of qps that it serves.*/ 128 struct list_head send_qp_list; 129 struct list_head recv_qp_list; 130 }; 131 132 #define MLX4_MR_PAGES_ALIGN 0x40 133 134 struct mlx4_ib_mr { 135 struct ib_mr ibmr; 136 __be64 *pages; 137 dma_addr_t page_map; 138 u32 npages; 139 u32 max_pages; 140 struct mlx4_mr mmr; 141 struct ib_umem *umem; 142 size_t page_map_size; 143 }; 144 145 struct mlx4_ib_mw { 146 struct ib_mw ibmw; 147 struct mlx4_mw mmw; 148 }; 149 150 struct mlx4_ib_fmr { 151 struct ib_fmr ibfmr; 152 struct mlx4_fmr mfmr; 153 }; 154 155 #define MAX_REGS_PER_FLOW 2 156 157 struct mlx4_flow_reg_id { 158 u64 id; 159 u64 mirror; 160 }; 161 162 struct mlx4_ib_flow { 163 struct ib_flow ibflow; 164 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 165 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 166 }; 167 168 struct mlx4_ib_wq { 169 u64 *wrid; 170 spinlock_t lock; 171 int wqe_cnt; 172 int max_post; 173 int max_gs; 174 int offset; 175 int wqe_shift; 176 unsigned head; 177 unsigned tail; 178 }; 179 180 enum { 181 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START 182 }; 183 184 enum mlx4_ib_qp_flags { 185 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 186 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 187 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 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_ib_qp { 293 struct ib_qp ibqp; 294 struct mlx4_qp mqp; 295 struct mlx4_buf buf; 296 297 struct mlx4_db db; 298 struct mlx4_ib_wq rq; 299 300 u32 doorbell_qpn; 301 __be32 sq_signal_bits; 302 unsigned sq_next_wqe; 303 int sq_max_wqes_per_wr; 304 int sq_spare_wqes; 305 struct mlx4_ib_wq sq; 306 307 enum mlx4_ib_qp_type mlx4_ib_qp_type; 308 struct ib_umem *umem; 309 struct mlx4_mtt mtt; 310 int buf_size; 311 struct mutex mutex; 312 u16 xrcdn; 313 u32 flags; 314 u8 port; 315 u8 alt_port; 316 u8 atomic_rd_en; 317 u8 resp_depth; 318 u8 sq_no_prefetch; 319 u8 state; 320 int mlx_type; 321 struct list_head gid_list; 322 struct list_head steering_rules; 323 struct mlx4_ib_buf *sqp_proxy_rcv; 324 struct mlx4_roce_smac_vlan_info pri; 325 struct mlx4_roce_smac_vlan_info alt; 326 u64 reg_id; 327 struct list_head qps_list; 328 struct list_head cq_recv_list; 329 struct list_head cq_send_list; 330 struct counter_index *counter_index; 331 }; 332 333 struct mlx4_ib_srq { 334 struct ib_srq ibsrq; 335 struct mlx4_srq msrq; 336 struct mlx4_buf buf; 337 struct mlx4_db db; 338 u64 *wrid; 339 spinlock_t lock; 340 int head; 341 int tail; 342 u16 wqe_ctr; 343 struct ib_umem *umem; 344 struct mlx4_mtt mtt; 345 struct mutex mutex; 346 }; 347 348 struct mlx4_ib_ah { 349 struct ib_ah ibah; 350 union mlx4_ext_av av; 351 }; 352 353 /****************************************/ 354 /* alias guid support */ 355 /****************************************/ 356 #define NUM_PORT_ALIAS_GUID 2 357 #define NUM_ALIAS_GUID_IN_REC 8 358 #define NUM_ALIAS_GUID_REC_IN_PORT 16 359 #define GUID_REC_SIZE 8 360 #define NUM_ALIAS_GUID_PER_PORT 128 361 #define MLX4_NOT_SET_GUID (0x00LL) 362 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 363 364 enum mlx4_guid_alias_rec_status { 365 MLX4_GUID_INFO_STATUS_IDLE, 366 MLX4_GUID_INFO_STATUS_SET, 367 }; 368 369 #define GUID_STATE_NEED_PORT_INIT 0x01 370 371 enum mlx4_guid_alias_rec_method { 372 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 373 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 374 }; 375 376 struct mlx4_sriov_alias_guid_info_rec_det { 377 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 378 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 379 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 380 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 381 u64 time_to_run; 382 }; 383 384 struct mlx4_sriov_alias_guid_port_rec_det { 385 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 386 struct workqueue_struct *wq; 387 struct delayed_work alias_guid_work; 388 u8 port; 389 u32 state_flags; 390 struct mlx4_sriov_alias_guid *parent; 391 struct list_head cb_list; 392 }; 393 394 struct mlx4_sriov_alias_guid { 395 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 396 spinlock_t ag_work_lock; 397 struct ib_sa_client *sa_client; 398 }; 399 400 struct mlx4_ib_demux_work { 401 struct work_struct work; 402 struct mlx4_ib_dev *dev; 403 int slave; 404 int do_init; 405 u8 port; 406 407 }; 408 409 struct mlx4_ib_tun_tx_buf { 410 struct mlx4_ib_buf buf; 411 struct ib_ah *ah; 412 }; 413 414 struct mlx4_ib_demux_pv_qp { 415 struct ib_qp *qp; 416 enum ib_qp_type proxy_qpt; 417 struct mlx4_ib_buf *ring; 418 struct mlx4_ib_tun_tx_buf *tx_ring; 419 spinlock_t tx_lock; 420 unsigned tx_ix_head; 421 unsigned tx_ix_tail; 422 }; 423 424 enum mlx4_ib_demux_pv_state { 425 DEMUX_PV_STATE_DOWN, 426 DEMUX_PV_STATE_STARTING, 427 DEMUX_PV_STATE_ACTIVE, 428 DEMUX_PV_STATE_DOWNING, 429 }; 430 431 struct mlx4_ib_demux_pv_ctx { 432 int port; 433 int slave; 434 enum mlx4_ib_demux_pv_state state; 435 int has_smi; 436 struct ib_device *ib_dev; 437 struct ib_cq *cq; 438 struct ib_pd *pd; 439 struct work_struct work; 440 struct workqueue_struct *wq; 441 struct mlx4_ib_demux_pv_qp qp[2]; 442 }; 443 444 struct mlx4_ib_demux_ctx { 445 struct ib_device *ib_dev; 446 int port; 447 struct workqueue_struct *wq; 448 struct workqueue_struct *ud_wq; 449 spinlock_t ud_lock; 450 atomic64_t subnet_prefix; 451 __be64 guid_cache[128]; 452 struct mlx4_ib_dev *dev; 453 /* the following lock protects both mcg_table and mcg_mgid0_list */ 454 struct mutex mcg_table_lock; 455 struct rb_root mcg_table; 456 struct list_head mcg_mgid0_list; 457 struct workqueue_struct *mcg_wq; 458 struct mlx4_ib_demux_pv_ctx **tun; 459 atomic_t tid; 460 int flushing; /* flushing the work queue */ 461 }; 462 463 struct mlx4_ib_sriov { 464 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 465 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 466 /* when using this spinlock you should use "irq" because 467 * it may be called from interrupt context.*/ 468 spinlock_t going_down_lock; 469 int is_going_down; 470 471 struct mlx4_sriov_alias_guid alias_guid; 472 473 /* CM paravirtualization fields */ 474 struct list_head cm_list; 475 spinlock_t id_map_lock; 476 struct rb_root sl_id_map; 477 struct idr pv_id_table; 478 }; 479 480 struct gid_cache_context { 481 int real_index; 482 int refcount; 483 }; 484 485 struct gid_entry { 486 union ib_gid gid; 487 enum ib_gid_type gid_type; 488 struct gid_cache_context *ctx; 489 }; 490 491 struct mlx4_port_gid_table { 492 struct gid_entry gids[MLX4_MAX_PORT_GIDS]; 493 }; 494 495 struct mlx4_ib_iboe { 496 spinlock_t lock; 497 struct net_device *netdevs[MLX4_MAX_PORTS]; 498 atomic64_t mac[MLX4_MAX_PORTS]; 499 struct notifier_block nb; 500 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS]; 501 }; 502 503 struct pkey_mgt { 504 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 505 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 506 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 507 struct kobject *device_parent[MLX4_MFUNC_MAX]; 508 }; 509 510 struct mlx4_ib_iov_sysfs_attr { 511 void *ctx; 512 struct kobject *kobj; 513 unsigned long data; 514 u32 entry_num; 515 char name[15]; 516 struct device_attribute dentry; 517 struct device *dev; 518 }; 519 520 struct mlx4_ib_iov_sysfs_attr_ar { 521 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 522 }; 523 524 struct mlx4_ib_iov_port { 525 char name[100]; 526 u8 num; 527 struct mlx4_ib_dev *dev; 528 struct list_head list; 529 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 530 struct ib_port_attr attr; 531 struct kobject *cur_port; 532 struct kobject *admin_alias_parent; 533 struct kobject *gids_parent; 534 struct kobject *pkeys_parent; 535 struct kobject *mcgs_parent; 536 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 537 }; 538 539 struct counter_index { 540 struct list_head list; 541 u32 index; 542 u8 allocated; 543 }; 544 545 struct mlx4_ib_counters { 546 struct list_head counters_list; 547 struct mutex mutex; /* mutex for accessing counters list */ 548 u32 default_counter; 549 }; 550 551 #define MLX4_DIAG_COUNTERS_TYPES 2 552 553 struct mlx4_ib_diag_counters { 554 const char **name; 555 u32 *offset; 556 u32 num_counters; 557 }; 558 559 struct mlx4_ib_dev { 560 struct ib_device ib_dev; 561 struct mlx4_dev *dev; 562 int num_ports; 563 void __iomem *uar_map; 564 565 struct mlx4_uar priv_uar; 566 u32 priv_pdn; 567 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 568 569 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 570 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 571 spinlock_t sm_lock; 572 atomic64_t sl2vl[MLX4_MAX_PORTS]; 573 struct mlx4_ib_sriov sriov; 574 575 struct mutex cap_mask_mutex; 576 bool ib_active; 577 struct mlx4_ib_iboe iboe; 578 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS]; 579 int *eq_table; 580 struct kobject *iov_parent; 581 struct kobject *ports_parent; 582 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 583 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 584 struct pkey_mgt pkeys; 585 unsigned long *ib_uc_qpns_bitmap; 586 int steer_qpn_count; 587 int steer_qpn_base; 588 int steering_support; 589 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 590 /* lock when destroying qp1_proxy and getting netdev events */ 591 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 592 u8 bond_next_port; 593 /* protect resources needed as part of reset flow */ 594 spinlock_t reset_flow_resource_lock; 595 struct list_head qp_list; 596 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES]; 597 }; 598 599 struct ib_event_work { 600 struct work_struct work; 601 struct mlx4_ib_dev *ib_dev; 602 struct mlx4_eqe ib_eqe; 603 int port; 604 }; 605 606 struct mlx4_ib_qp_tunnel_init_attr { 607 struct ib_qp_init_attr init_attr; 608 int slave; 609 enum ib_qp_type proxy_qp_type; 610 u8 port; 611 }; 612 613 struct mlx4_uverbs_ex_query_device { 614 __u32 comp_mask; 615 __u32 reserved; 616 }; 617 618 enum query_device_resp_mask { 619 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, 620 }; 621 622 struct mlx4_uverbs_ex_query_device_resp { 623 __u32 comp_mask; 624 __u32 response_length; 625 __u64 hca_core_clock_offset; 626 }; 627 628 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 629 { 630 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 631 } 632 633 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 634 { 635 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 636 } 637 638 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 639 { 640 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 641 } 642 643 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 644 { 645 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 646 } 647 648 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 649 { 650 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 651 } 652 653 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 654 { 655 return container_of(mcq, struct mlx4_ib_cq, mcq); 656 } 657 658 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 659 { 660 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 661 } 662 663 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 664 { 665 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 666 } 667 668 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 669 { 670 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 671 } 672 673 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 674 { 675 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 676 } 677 678 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 679 { 680 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 681 } 682 683 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 684 { 685 return container_of(mqp, struct mlx4_ib_qp, mqp); 686 } 687 688 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 689 { 690 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 691 } 692 693 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 694 { 695 return container_of(msrq, struct mlx4_ib_srq, msrq); 696 } 697 698 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 699 { 700 return container_of(ibah, struct mlx4_ib_ah, ibah); 701 } 702 703 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 704 { 705 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 706 707 return dev->bond_next_port + 1; 708 } 709 710 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 711 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 712 713 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 714 struct mlx4_db *db); 715 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 716 717 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 718 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 719 struct ib_umem *umem); 720 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 721 u64 virt_addr, int access_flags, 722 struct ib_udata *udata); 723 int mlx4_ib_dereg_mr(struct ib_mr *mr); 724 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, 725 struct ib_udata *udata); 726 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 727 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, 728 enum ib_mr_type mr_type, 729 u32 max_num_sg); 730 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, 731 unsigned int *sg_offset); 732 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 733 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 734 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, 735 const struct ib_cq_init_attr *attr, 736 struct ib_ucontext *context, 737 struct ib_udata *udata); 738 int mlx4_ib_destroy_cq(struct ib_cq *cq); 739 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 740 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 741 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 742 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 743 744 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr, 745 struct ib_udata *udata); 746 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr); 747 int mlx4_ib_destroy_ah(struct ib_ah *ah); 748 749 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 750 struct ib_srq_init_attr *init_attr, 751 struct ib_udata *udata); 752 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 753 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 754 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 755 int mlx4_ib_destroy_srq(struct ib_srq *srq); 756 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 757 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 758 struct ib_recv_wr **bad_wr); 759 760 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 761 struct ib_qp_init_attr *init_attr, 762 struct ib_udata *udata); 763 int mlx4_ib_destroy_qp(struct ib_qp *qp); 764 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 765 int attr_mask, struct ib_udata *udata); 766 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 767 struct ib_qp_init_attr *qp_init_attr); 768 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 769 struct ib_send_wr **bad_wr); 770 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 771 struct ib_recv_wr **bad_wr); 772 773 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 774 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 775 const void *in_mad, void *response_mad); 776 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 777 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 778 const struct ib_mad_hdr *in, size_t in_mad_size, 779 struct ib_mad_hdr *out, size_t *out_mad_size, 780 u16 *out_mad_pkey_index); 781 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 782 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 783 784 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 785 struct ib_fmr_attr *fmr_attr); 786 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 787 u64 iova); 788 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 789 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 790 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 791 struct ib_port_attr *props, int netw_view); 792 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 793 u16 *pkey, int netw_view); 794 795 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 796 union ib_gid *gid, int netw_view); 797 798 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 799 { 800 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 801 802 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 803 return true; 804 805 return !!(ah->av.ib.g_slid & 0x80); 806 } 807 808 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 809 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 810 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 811 int mlx4_ib_mcg_init(void); 812 void mlx4_ib_mcg_destroy(void); 813 814 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 815 816 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 817 struct ib_sa_mad *sa_mad); 818 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 819 struct ib_sa_mad *mad); 820 821 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 822 union ib_gid *gid); 823 824 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 825 enum ib_event_type type); 826 827 void mlx4_ib_tunnels_update_work(struct work_struct *work); 828 829 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 830 enum ib_qp_type qpt, struct ib_wc *wc, 831 struct ib_grh *grh, struct ib_mad *mad); 832 833 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 834 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 835 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac, 836 u16 vlan_id, struct ib_mad *mad); 837 838 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 839 840 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 841 struct ib_mad *mad); 842 843 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 844 struct ib_mad *mad); 845 846 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 847 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 848 849 /* alias guid support */ 850 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 851 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 852 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 853 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 854 855 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 856 int block_num, 857 u8 port_num, u8 *p_data); 858 859 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 860 int block_num, u8 port_num, 861 u8 *p_data); 862 863 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 864 struct attribute *attr); 865 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 866 struct attribute *attr); 867 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 868 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 869 int port, int slave_init); 870 871 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 872 873 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 874 875 __be64 mlx4_ib_gen_node_guid(void); 876 877 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 878 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 879 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 880 int is_attach); 881 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 882 u64 start, u64 length, u64 virt_addr, 883 int mr_access_flags, struct ib_pd *pd, 884 struct ib_udata *udata); 885 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, 886 u8 port_num, int index); 887 888 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev, 889 int port); 890 891 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port); 892 893 #endif /* MLX4_IB_H */ 894