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