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 #include <linux/rbtree.h> 42 #include <linux/notifier.h> 43 44 #include <asm/atomic64.h> 45 46 #include <rdma/ib_verbs.h> 47 #include <rdma/ib_umem.h> 48 #include <rdma/ib_mad.h> 49 #include <rdma/ib_sa.h> 50 51 #include <dev/mlx4/device.h> 52 #include <dev/mlx4/doorbell.h> 53 54 #define MLX4_IB_DRV_NAME "mlx4_ib" 55 56 #ifdef pr_fmt 57 #undef pr_fmt 58 #endif 59 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__ 60 61 #define mlx4_ib_warn(ibdev, format, arg...) \ 62 dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg) 63 64 enum { 65 MLX4_IB_SQ_MIN_WQE_SHIFT = 6, 66 MLX4_IB_MAX_HEADROOM = 2048 67 }; 68 69 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1) 70 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT)) 71 72 /*module param to indicate if SM assigns the alias_GUID*/ 73 extern int mlx4_ib_sm_guid_assign; 74 extern struct proc_dir_entry *mlx4_mrs_dir_entry; 75 76 #define MLX4_IB_UC_STEER_QPN_ALIGN 1 77 #define MLX4_IB_UC_MAX_NUM_QPS 256 78 79 enum hw_bar_type { 80 HW_BAR_BF, 81 HW_BAR_DB, 82 HW_BAR_CLOCK, 83 HW_BAR_COUNT 84 }; 85 86 struct mlx4_ib_vma_private_data { 87 struct vm_area_struct *vma; 88 }; 89 90 struct mlx4_ib_ucontext { 91 struct ib_ucontext ibucontext; 92 struct mlx4_uar uar; 93 struct list_head db_page_list; 94 struct mutex db_page_mutex; 95 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT]; 96 }; 97 98 struct mlx4_ib_pd { 99 struct ib_pd ibpd; 100 u32 pdn; 101 }; 102 103 struct mlx4_ib_xrcd { 104 struct ib_xrcd ibxrcd; 105 u32 xrcdn; 106 struct ib_pd *pd; 107 struct ib_cq *cq; 108 }; 109 110 struct mlx4_ib_cq_buf { 111 struct mlx4_buf buf; 112 struct mlx4_mtt mtt; 113 int entry_size; 114 }; 115 116 struct mlx4_ib_cq_resize { 117 struct mlx4_ib_cq_buf buf; 118 int cqe; 119 }; 120 121 struct mlx4_ib_cq { 122 struct ib_cq ibcq; 123 struct mlx4_cq mcq; 124 struct mlx4_ib_cq_buf buf; 125 struct mlx4_ib_cq_resize *resize_buf; 126 struct mlx4_db db; 127 spinlock_t lock; 128 struct mutex resize_mutex; 129 struct ib_umem *umem; 130 struct ib_umem *resize_umem; 131 int create_flags; 132 /* List of qps that it serves.*/ 133 struct list_head send_qp_list; 134 struct list_head recv_qp_list; 135 }; 136 137 #define MLX4_MR_PAGES_ALIGN 0x40 138 139 struct mlx4_ib_mr { 140 struct ib_mr ibmr; 141 __be64 *pages; 142 dma_addr_t page_map; 143 u32 npages; 144 u32 max_pages; 145 struct mlx4_mr mmr; 146 struct ib_umem *umem; 147 size_t page_map_size; 148 }; 149 150 struct mlx4_ib_mw { 151 struct ib_mw ibmw; 152 struct mlx4_mw mmw; 153 }; 154 155 struct mlx4_ib_fmr { 156 struct ib_fmr ibfmr; 157 struct mlx4_fmr mfmr; 158 }; 159 160 #define MAX_REGS_PER_FLOW 2 161 162 struct mlx4_flow_reg_id { 163 u64 id; 164 u64 mirror; 165 }; 166 167 struct mlx4_ib_flow { 168 struct ib_flow ibflow; 169 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 170 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 171 }; 172 173 struct mlx4_ib_wq { 174 u64 *wrid; 175 spinlock_t lock; 176 int wqe_cnt; 177 int max_post; 178 int max_gs; 179 int offset; 180 int wqe_shift; 181 unsigned head; 182 unsigned tail; 183 }; 184 185 enum { 186 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START 187 }; 188 189 enum mlx4_ib_qp_flags { 190 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 191 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 192 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 193 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO, 194 195 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */ 196 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI, 197 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 198 MLX4_IB_SRIOV_SQP = 1U << 31, 199 }; 200 201 struct mlx4_ib_gid_entry { 202 struct list_head list; 203 union ib_gid gid; 204 int added; 205 u8 port; 206 }; 207 208 enum mlx4_ib_qp_type { 209 /* 210 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 211 * here (and in that order) since the MAD layer uses them as 212 * indices into a 2-entry table. 213 */ 214 MLX4_IB_QPT_SMI = IB_QPT_SMI, 215 MLX4_IB_QPT_GSI = IB_QPT_GSI, 216 217 MLX4_IB_QPT_RC = IB_QPT_RC, 218 MLX4_IB_QPT_UC = IB_QPT_UC, 219 MLX4_IB_QPT_UD = IB_QPT_UD, 220 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 221 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 222 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 223 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 224 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 225 226 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 227 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 228 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 229 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 230 MLX4_IB_QPT_TUN_SMI = 1 << 20, 231 MLX4_IB_QPT_TUN_GSI = 1 << 21, 232 }; 233 234 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 235 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 236 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 237 238 enum mlx4_ib_mad_ifc_flags { 239 MLX4_MAD_IFC_IGNORE_MKEY = 1, 240 MLX4_MAD_IFC_IGNORE_BKEY = 2, 241 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 242 MLX4_MAD_IFC_IGNORE_BKEY), 243 MLX4_MAD_IFC_NET_VIEW = 4, 244 }; 245 246 enum { 247 MLX4_NUM_TUNNEL_BUFS = 256, 248 }; 249 250 struct mlx4_ib_tunnel_header { 251 struct mlx4_av av; 252 __be32 remote_qpn; 253 __be32 qkey; 254 __be16 vlan; 255 u8 mac[6]; 256 __be16 pkey_index; 257 u8 reserved[6]; 258 }; 259 260 struct mlx4_ib_buf { 261 void *addr; 262 dma_addr_t map; 263 }; 264 265 struct mlx4_rcv_tunnel_hdr { 266 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 267 * 0x0 - no vlan was in the packet 268 * 0x01 - C-VLAN was in the packet */ 269 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 270 u8 reserved; 271 __be16 pkey_index; 272 __be16 sl_vid; 273 __be16 slid_mac_47_32; 274 __be32 mac_31_0; 275 }; 276 277 struct mlx4_ib_proxy_sqp_hdr { 278 struct ib_grh grh; 279 struct mlx4_rcv_tunnel_hdr tun; 280 } __packed; 281 282 struct mlx4_roce_smac_vlan_info { 283 u64 smac; 284 int smac_index; 285 int smac_port; 286 u64 candidate_smac; 287 int candidate_smac_index; 288 int candidate_smac_port; 289 u16 vid; 290 int vlan_index; 291 int vlan_port; 292 u16 candidate_vid; 293 int candidate_vlan_index; 294 int candidate_vlan_port; 295 int update_vid; 296 }; 297 298 struct mlx4_ib_qp { 299 struct ib_qp ibqp; 300 struct mlx4_qp mqp; 301 struct mlx4_buf buf; 302 303 struct mlx4_db db; 304 struct mlx4_ib_wq rq; 305 306 u32 doorbell_qpn; 307 __be32 sq_signal_bits; 308 unsigned sq_next_wqe; 309 int sq_max_wqes_per_wr; 310 int sq_spare_wqes; 311 struct mlx4_ib_wq sq; 312 313 enum mlx4_ib_qp_type mlx4_ib_qp_type; 314 struct ib_umem *umem; 315 struct mlx4_mtt mtt; 316 int buf_size; 317 struct mutex mutex; 318 u16 xrcdn; 319 u32 flags; 320 u8 port; 321 u8 alt_port; 322 u8 atomic_rd_en; 323 u8 resp_depth; 324 u8 sq_no_prefetch; 325 u8 state; 326 int mlx_type; 327 struct list_head gid_list; 328 struct list_head steering_rules; 329 struct mlx4_ib_buf *sqp_proxy_rcv; 330 struct mlx4_roce_smac_vlan_info pri; 331 struct mlx4_roce_smac_vlan_info alt; 332 u64 reg_id; 333 struct list_head qps_list; 334 struct list_head cq_recv_list; 335 struct list_head cq_send_list; 336 struct counter_index *counter_index; 337 }; 338 339 struct mlx4_ib_srq { 340 struct ib_srq ibsrq; 341 struct mlx4_srq msrq; 342 struct mlx4_buf buf; 343 struct mlx4_db db; 344 u64 *wrid; 345 spinlock_t lock; 346 int head; 347 int tail; 348 u16 wqe_ctr; 349 struct ib_umem *umem; 350 struct mlx4_mtt mtt; 351 struct mutex mutex; 352 }; 353 354 struct mlx4_ib_ah { 355 struct ib_ah ibah; 356 union mlx4_ext_av av; 357 }; 358 359 /****************************************/ 360 /* alias guid support */ 361 /****************************************/ 362 #define NUM_PORT_ALIAS_GUID 2 363 #define NUM_ALIAS_GUID_IN_REC 8 364 #define NUM_ALIAS_GUID_REC_IN_PORT 16 365 #define GUID_REC_SIZE 8 366 #define NUM_ALIAS_GUID_PER_PORT 128 367 #define MLX4_NOT_SET_GUID (0x00LL) 368 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 369 370 enum mlx4_guid_alias_rec_status { 371 MLX4_GUID_INFO_STATUS_IDLE, 372 MLX4_GUID_INFO_STATUS_SET, 373 }; 374 375 #define GUID_STATE_NEED_PORT_INIT 0x01 376 377 enum mlx4_guid_alias_rec_method { 378 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 379 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 380 }; 381 382 struct mlx4_sriov_alias_guid_info_rec_det { 383 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 384 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 385 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 386 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 387 u64 time_to_run; 388 }; 389 390 struct mlx4_sriov_alias_guid_port_rec_det { 391 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 392 struct workqueue_struct *wq; 393 struct delayed_work alias_guid_work; 394 u8 port; 395 u32 state_flags; 396 struct mlx4_sriov_alias_guid *parent; 397 struct list_head cb_list; 398 }; 399 400 struct mlx4_sriov_alias_guid { 401 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 402 spinlock_t ag_work_lock; 403 struct ib_sa_client *sa_client; 404 }; 405 406 struct mlx4_ib_demux_work { 407 struct work_struct work; 408 struct mlx4_ib_dev *dev; 409 int slave; 410 int do_init; 411 u8 port; 412 413 }; 414 415 struct mlx4_ib_tun_tx_buf { 416 struct mlx4_ib_buf buf; 417 struct ib_ah *ah; 418 }; 419 420 struct mlx4_ib_demux_pv_qp { 421 struct ib_qp *qp; 422 enum ib_qp_type proxy_qpt; 423 struct mlx4_ib_buf *ring; 424 struct mlx4_ib_tun_tx_buf *tx_ring; 425 spinlock_t tx_lock; 426 unsigned tx_ix_head; 427 unsigned tx_ix_tail; 428 }; 429 430 enum mlx4_ib_demux_pv_state { 431 DEMUX_PV_STATE_DOWN, 432 DEMUX_PV_STATE_STARTING, 433 DEMUX_PV_STATE_ACTIVE, 434 DEMUX_PV_STATE_DOWNING, 435 }; 436 437 struct mlx4_ib_demux_pv_ctx { 438 int port; 439 int slave; 440 enum mlx4_ib_demux_pv_state state; 441 int has_smi; 442 struct ib_device *ib_dev; 443 struct ib_cq *cq; 444 struct ib_pd *pd; 445 struct work_struct work; 446 struct workqueue_struct *wq; 447 struct mlx4_ib_demux_pv_qp qp[2]; 448 }; 449 450 struct mlx4_ib_demux_ctx { 451 struct ib_device *ib_dev; 452 int port; 453 struct workqueue_struct *wq; 454 struct workqueue_struct *ud_wq; 455 spinlock_t ud_lock; 456 atomic64_t subnet_prefix; 457 __be64 guid_cache[128]; 458 struct mlx4_ib_dev *dev; 459 /* the following lock protects both mcg_table and mcg_mgid0_list */ 460 struct mutex mcg_table_lock; 461 struct rb_root mcg_table; 462 struct list_head mcg_mgid0_list; 463 struct workqueue_struct *mcg_wq; 464 struct mlx4_ib_demux_pv_ctx **tun; 465 atomic_t tid; 466 int flushing; /* flushing the work queue */ 467 }; 468 469 struct mlx4_ib_sriov { 470 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 471 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 472 /* when using this spinlock you should use "irq" because 473 * it may be called from interrupt context.*/ 474 spinlock_t going_down_lock; 475 int is_going_down; 476 477 struct mlx4_sriov_alias_guid alias_guid; 478 479 /* CM paravirtualization fields */ 480 struct list_head cm_list; 481 spinlock_t id_map_lock; 482 struct rb_root sl_id_map; 483 struct idr pv_id_table; 484 }; 485 486 struct gid_cache_context { 487 int real_index; 488 int refcount; 489 }; 490 491 struct gid_entry { 492 union ib_gid gid; 493 enum ib_gid_type gid_type; 494 struct gid_cache_context *ctx; 495 }; 496 497 struct mlx4_port_gid_table { 498 struct gid_entry gids[MLX4_MAX_PORT_GIDS]; 499 }; 500 501 struct mlx4_ib_iboe { 502 spinlock_t lock; 503 struct net_device *netdevs[MLX4_MAX_PORTS]; 504 atomic64_t mac[MLX4_MAX_PORTS]; 505 struct notifier_block nb; 506 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS]; 507 }; 508 509 struct pkey_mgt { 510 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 511 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 512 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 513 struct kobject *device_parent[MLX4_MFUNC_MAX]; 514 }; 515 516 struct mlx4_ib_iov_sysfs_attr { 517 void *ctx; 518 struct kobject *kobj; 519 unsigned long data; 520 u32 entry_num; 521 char name[15]; 522 struct device_attribute dentry; 523 struct device *dev; 524 }; 525 526 struct mlx4_ib_iov_sysfs_attr_ar { 527 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 528 }; 529 530 struct mlx4_ib_iov_port { 531 char name[100]; 532 u8 num; 533 struct mlx4_ib_dev *dev; 534 struct list_head list; 535 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 536 struct ib_port_attr attr; 537 struct kobject *cur_port; 538 struct kobject *admin_alias_parent; 539 struct kobject *gids_parent; 540 struct kobject *pkeys_parent; 541 struct kobject *mcgs_parent; 542 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 543 }; 544 545 struct counter_index { 546 struct list_head list; 547 u32 index; 548 u8 allocated; 549 }; 550 551 struct mlx4_ib_counters { 552 struct list_head counters_list; 553 struct mutex mutex; /* mutex for accessing counters list */ 554 u32 default_counter; 555 }; 556 557 #define MLX4_DIAG_COUNTERS_TYPES 2 558 559 struct mlx4_ib_diag_counters { 560 const char **name; 561 u32 *offset; 562 u32 num_counters; 563 }; 564 565 struct mlx4_ib_dev { 566 struct ib_device ib_dev; 567 struct mlx4_dev *dev; 568 int num_ports; 569 void __iomem *uar_map; 570 571 struct mlx4_uar priv_uar; 572 u32 priv_pdn; 573 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 574 575 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 576 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 577 spinlock_t sm_lock; 578 atomic64_t sl2vl[MLX4_MAX_PORTS]; 579 struct mlx4_ib_sriov sriov; 580 581 struct mutex cap_mask_mutex; 582 bool ib_active; 583 struct mlx4_ib_iboe iboe; 584 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS]; 585 int *eq_table; 586 struct kobject *iov_parent; 587 struct kobject *ports_parent; 588 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 589 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 590 struct pkey_mgt pkeys; 591 unsigned long *ib_uc_qpns_bitmap; 592 int steer_qpn_count; 593 int steer_qpn_base; 594 int steering_support; 595 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 596 /* lock when destroying qp1_proxy and getting netdev events */ 597 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 598 u8 bond_next_port; 599 /* protect resources needed as part of reset flow */ 600 spinlock_t reset_flow_resource_lock; 601 struct list_head qp_list; 602 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES]; 603 }; 604 605 struct ib_event_work { 606 struct work_struct work; 607 struct mlx4_ib_dev *ib_dev; 608 struct mlx4_eqe ib_eqe; 609 int port; 610 }; 611 612 struct mlx4_ib_qp_tunnel_init_attr { 613 struct ib_qp_init_attr init_attr; 614 int slave; 615 enum ib_qp_type proxy_qp_type; 616 u8 port; 617 }; 618 619 struct mlx4_uverbs_ex_query_device { 620 __u32 comp_mask; 621 __u32 reserved; 622 }; 623 624 enum query_device_resp_mask { 625 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, 626 }; 627 628 struct mlx4_uverbs_ex_query_device_resp { 629 __u32 comp_mask; 630 __u32 response_length; 631 __u64 hca_core_clock_offset; 632 }; 633 634 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 635 { 636 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 637 } 638 639 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 640 { 641 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 642 } 643 644 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 645 { 646 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 647 } 648 649 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 650 { 651 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 652 } 653 654 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 655 { 656 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 657 } 658 659 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 660 { 661 return container_of(mcq, struct mlx4_ib_cq, mcq); 662 } 663 664 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 665 { 666 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 667 } 668 669 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 670 { 671 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 672 } 673 674 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 675 { 676 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 677 } 678 679 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 680 { 681 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 682 } 683 684 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 685 { 686 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 687 } 688 689 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 690 { 691 return container_of(mqp, struct mlx4_ib_qp, mqp); 692 } 693 694 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 695 { 696 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 697 } 698 699 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 700 { 701 return container_of(msrq, struct mlx4_ib_srq, msrq); 702 } 703 704 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 705 { 706 return container_of(ibah, struct mlx4_ib_ah, ibah); 707 } 708 709 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 710 { 711 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 712 713 return dev->bond_next_port + 1; 714 } 715 716 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 717 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 718 719 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 720 struct mlx4_db *db); 721 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 722 723 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 724 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 725 struct ib_umem *umem); 726 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 727 u64 virt_addr, int access_flags, 728 struct ib_udata *udata); 729 int mlx4_ib_dereg_mr(struct ib_mr *mr); 730 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, 731 struct ib_udata *udata); 732 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 733 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, 734 enum ib_mr_type mr_type, 735 u32 max_num_sg); 736 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, 737 unsigned int *sg_offset); 738 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 739 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 740 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, 741 const struct ib_cq_init_attr *attr, 742 struct ib_ucontext *context, 743 struct ib_udata *udata); 744 int mlx4_ib_destroy_cq(struct ib_cq *cq); 745 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 746 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 747 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 748 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 749 750 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr, 751 struct ib_udata *udata); 752 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 753 int mlx4_ib_destroy_ah(struct ib_ah *ah); 754 755 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 756 struct ib_srq_init_attr *init_attr, 757 struct ib_udata *udata); 758 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 759 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 760 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 761 int mlx4_ib_destroy_srq(struct ib_srq *srq); 762 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 763 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 764 struct ib_recv_wr **bad_wr); 765 766 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 767 struct ib_qp_init_attr *init_attr, 768 struct ib_udata *udata); 769 int mlx4_ib_destroy_qp(struct ib_qp *qp); 770 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 771 int attr_mask, struct ib_udata *udata); 772 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 773 struct ib_qp_init_attr *qp_init_attr); 774 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 775 struct ib_send_wr **bad_wr); 776 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 777 struct ib_recv_wr **bad_wr); 778 779 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 780 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 781 const void *in_mad, void *response_mad); 782 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 783 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 784 const struct ib_mad_hdr *in, size_t in_mad_size, 785 struct ib_mad_hdr *out, size_t *out_mad_size, 786 u16 *out_mad_pkey_index); 787 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 788 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 789 790 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 791 struct ib_fmr_attr *fmr_attr); 792 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 793 u64 iova); 794 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 795 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 796 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 797 struct ib_port_attr *props, int netw_view); 798 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 799 u16 *pkey, int netw_view); 800 801 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 802 union ib_gid *gid, int netw_view); 803 804 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 805 { 806 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 807 808 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 809 return true; 810 811 return !!(ah->av.ib.g_slid & 0x80); 812 } 813 814 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 815 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 816 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 817 int mlx4_ib_mcg_init(void); 818 void mlx4_ib_mcg_destroy(void); 819 820 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 821 822 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 823 struct ib_sa_mad *sa_mad); 824 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 825 struct ib_sa_mad *mad); 826 827 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 828 union ib_gid *gid); 829 830 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 831 enum ib_event_type type); 832 833 void mlx4_ib_tunnels_update_work(struct work_struct *work); 834 835 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 836 enum ib_qp_type qpt, struct ib_wc *wc, 837 struct ib_grh *grh, struct ib_mad *mad); 838 839 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 840 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 841 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, 842 u16 vlan_id, struct ib_mad *mad); 843 844 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 845 846 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 847 struct ib_mad *mad); 848 849 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 850 struct ib_mad *mad); 851 852 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 853 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 854 855 /* alias guid support */ 856 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 857 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 858 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 859 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 860 861 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 862 int block_num, 863 u8 port_num, u8 *p_data); 864 865 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 866 int block_num, u8 port_num, 867 u8 *p_data); 868 869 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 870 struct attribute *attr); 871 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 872 struct attribute *attr); 873 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 874 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 875 int port, int slave_init); 876 877 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 878 879 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 880 881 __be64 mlx4_ib_gen_node_guid(void); 882 883 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 884 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 885 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 886 int is_attach); 887 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 888 u64 start, u64 length, u64 virt_addr, 889 int mr_access_flags, struct ib_pd *pd, 890 struct ib_udata *udata); 891 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, 892 u8 port_num, int index); 893 894 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev, 895 int port); 896 897 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port); 898 899 #endif /* MLX4_IB_H */ 900