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