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 void *pages_alloc; 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 mlx4_ib_qp_flags { 181 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 182 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 183 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 184 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO, 185 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 186 MLX4_IB_SRIOV_SQP = 1 << 31, 187 }; 188 189 struct mlx4_ib_gid_entry { 190 struct list_head list; 191 union ib_gid gid; 192 int added; 193 u8 port; 194 }; 195 196 enum mlx4_ib_qp_type { 197 /* 198 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 199 * here (and in that order) since the MAD layer uses them as 200 * indices into a 2-entry table. 201 */ 202 MLX4_IB_QPT_SMI = IB_QPT_SMI, 203 MLX4_IB_QPT_GSI = IB_QPT_GSI, 204 205 MLX4_IB_QPT_RC = IB_QPT_RC, 206 MLX4_IB_QPT_UC = IB_QPT_UC, 207 MLX4_IB_QPT_UD = IB_QPT_UD, 208 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 209 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 210 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 211 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 212 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 213 214 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 215 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 216 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 217 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 218 MLX4_IB_QPT_TUN_SMI = 1 << 20, 219 MLX4_IB_QPT_TUN_GSI = 1 << 21, 220 }; 221 222 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 223 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 224 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 225 226 enum mlx4_ib_mad_ifc_flags { 227 MLX4_MAD_IFC_IGNORE_MKEY = 1, 228 MLX4_MAD_IFC_IGNORE_BKEY = 2, 229 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 230 MLX4_MAD_IFC_IGNORE_BKEY), 231 MLX4_MAD_IFC_NET_VIEW = 4, 232 }; 233 234 enum { 235 MLX4_NUM_TUNNEL_BUFS = 256, 236 }; 237 238 struct mlx4_ib_tunnel_header { 239 struct mlx4_av av; 240 __be32 remote_qpn; 241 __be32 qkey; 242 __be16 vlan; 243 u8 mac[6]; 244 __be16 pkey_index; 245 u8 reserved[6]; 246 }; 247 248 struct mlx4_ib_buf { 249 void *addr; 250 dma_addr_t map; 251 }; 252 253 struct mlx4_rcv_tunnel_hdr { 254 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 255 * 0x0 - no vlan was in the packet 256 * 0x01 - C-VLAN was in the packet */ 257 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 258 u8 reserved; 259 __be16 pkey_index; 260 __be16 sl_vid; 261 __be16 slid_mac_47_32; 262 __be32 mac_31_0; 263 }; 264 265 struct mlx4_ib_proxy_sqp_hdr { 266 struct ib_grh grh; 267 struct mlx4_rcv_tunnel_hdr tun; 268 } __packed; 269 270 struct mlx4_roce_smac_vlan_info { 271 u64 smac; 272 int smac_index; 273 int smac_port; 274 u64 candidate_smac; 275 int candidate_smac_index; 276 int candidate_smac_port; 277 u16 vid; 278 int vlan_index; 279 int vlan_port; 280 u16 candidate_vid; 281 int candidate_vlan_index; 282 int candidate_vlan_port; 283 int update_vid; 284 }; 285 286 struct mlx4_ib_qp { 287 struct ib_qp ibqp; 288 struct mlx4_qp mqp; 289 struct mlx4_buf buf; 290 291 struct mlx4_db db; 292 struct mlx4_ib_wq rq; 293 294 u32 doorbell_qpn; 295 __be32 sq_signal_bits; 296 unsigned sq_next_wqe; 297 int sq_max_wqes_per_wr; 298 int sq_spare_wqes; 299 struct mlx4_ib_wq sq; 300 301 enum mlx4_ib_qp_type mlx4_ib_qp_type; 302 struct ib_umem *umem; 303 struct mlx4_mtt mtt; 304 int buf_size; 305 struct mutex mutex; 306 u16 xrcdn; 307 u32 flags; 308 u8 port; 309 u8 alt_port; 310 u8 atomic_rd_en; 311 u8 resp_depth; 312 u8 sq_no_prefetch; 313 u8 state; 314 int mlx_type; 315 struct list_head gid_list; 316 struct list_head steering_rules; 317 struct mlx4_ib_buf *sqp_proxy_rcv; 318 struct mlx4_roce_smac_vlan_info pri; 319 struct mlx4_roce_smac_vlan_info alt; 320 u64 reg_id; 321 struct list_head qps_list; 322 struct list_head cq_recv_list; 323 struct list_head cq_send_list; 324 struct counter_index *counter_index; 325 }; 326 327 struct mlx4_ib_srq { 328 struct ib_srq ibsrq; 329 struct mlx4_srq msrq; 330 struct mlx4_buf buf; 331 struct mlx4_db db; 332 u64 *wrid; 333 spinlock_t lock; 334 int head; 335 int tail; 336 u16 wqe_ctr; 337 struct ib_umem *umem; 338 struct mlx4_mtt mtt; 339 struct mutex mutex; 340 }; 341 342 struct mlx4_ib_ah { 343 struct ib_ah ibah; 344 union mlx4_ext_av av; 345 }; 346 347 /****************************************/ 348 /* alias guid support */ 349 /****************************************/ 350 #define NUM_PORT_ALIAS_GUID 2 351 #define NUM_ALIAS_GUID_IN_REC 8 352 #define NUM_ALIAS_GUID_REC_IN_PORT 16 353 #define GUID_REC_SIZE 8 354 #define NUM_ALIAS_GUID_PER_PORT 128 355 #define MLX4_NOT_SET_GUID (0x00LL) 356 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 357 358 enum mlx4_guid_alias_rec_status { 359 MLX4_GUID_INFO_STATUS_IDLE, 360 MLX4_GUID_INFO_STATUS_SET, 361 }; 362 363 #define GUID_STATE_NEED_PORT_INIT 0x01 364 365 enum mlx4_guid_alias_rec_method { 366 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 367 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 368 }; 369 370 struct mlx4_sriov_alias_guid_info_rec_det { 371 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 372 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 373 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 374 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 375 u64 time_to_run; 376 }; 377 378 struct mlx4_sriov_alias_guid_port_rec_det { 379 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 380 struct workqueue_struct *wq; 381 struct delayed_work alias_guid_work; 382 u8 port; 383 u32 state_flags; 384 struct mlx4_sriov_alias_guid *parent; 385 struct list_head cb_list; 386 }; 387 388 struct mlx4_sriov_alias_guid { 389 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 390 spinlock_t ag_work_lock; 391 struct ib_sa_client *sa_client; 392 }; 393 394 struct mlx4_ib_demux_work { 395 struct work_struct work; 396 struct mlx4_ib_dev *dev; 397 int slave; 398 int do_init; 399 u8 port; 400 401 }; 402 403 struct mlx4_ib_tun_tx_buf { 404 struct mlx4_ib_buf buf; 405 struct ib_ah *ah; 406 }; 407 408 struct mlx4_ib_demux_pv_qp { 409 struct ib_qp *qp; 410 enum ib_qp_type proxy_qpt; 411 struct mlx4_ib_buf *ring; 412 struct mlx4_ib_tun_tx_buf *tx_ring; 413 spinlock_t tx_lock; 414 unsigned tx_ix_head; 415 unsigned tx_ix_tail; 416 }; 417 418 enum mlx4_ib_demux_pv_state { 419 DEMUX_PV_STATE_DOWN, 420 DEMUX_PV_STATE_STARTING, 421 DEMUX_PV_STATE_ACTIVE, 422 DEMUX_PV_STATE_DOWNING, 423 }; 424 425 struct mlx4_ib_demux_pv_ctx { 426 int port; 427 int slave; 428 enum mlx4_ib_demux_pv_state state; 429 int has_smi; 430 struct ib_device *ib_dev; 431 struct ib_cq *cq; 432 struct ib_pd *pd; 433 struct work_struct work; 434 struct workqueue_struct *wq; 435 struct mlx4_ib_demux_pv_qp qp[2]; 436 }; 437 438 struct mlx4_ib_demux_ctx { 439 struct ib_device *ib_dev; 440 int port; 441 struct workqueue_struct *wq; 442 struct workqueue_struct *ud_wq; 443 spinlock_t ud_lock; 444 __be64 subnet_prefix; 445 __be64 guid_cache[128]; 446 struct mlx4_ib_dev *dev; 447 /* the following lock protects both mcg_table and mcg_mgid0_list */ 448 struct mutex mcg_table_lock; 449 struct rb_root mcg_table; 450 struct list_head mcg_mgid0_list; 451 struct workqueue_struct *mcg_wq; 452 struct mlx4_ib_demux_pv_ctx **tun; 453 atomic_t tid; 454 int flushing; /* flushing the work queue */ 455 }; 456 457 struct mlx4_ib_sriov { 458 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 459 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 460 /* when using this spinlock you should use "irq" because 461 * it may be called from interrupt context.*/ 462 spinlock_t going_down_lock; 463 int is_going_down; 464 465 struct mlx4_sriov_alias_guid alias_guid; 466 467 /* CM paravirtualization fields */ 468 struct list_head cm_list; 469 spinlock_t id_map_lock; 470 struct rb_root sl_id_map; 471 struct idr pv_id_table; 472 }; 473 474 struct gid_cache_context { 475 int real_index; 476 int refcount; 477 }; 478 479 struct gid_entry { 480 union ib_gid gid; 481 struct gid_cache_context *ctx; 482 }; 483 484 struct mlx4_port_gid_table { 485 struct gid_entry gids[MLX4_MAX_PORT_GIDS]; 486 }; 487 488 struct mlx4_ib_iboe { 489 spinlock_t lock; 490 struct net_device *netdevs[MLX4_MAX_PORTS]; 491 atomic64_t mac[MLX4_MAX_PORTS]; 492 struct notifier_block nb; 493 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS]; 494 }; 495 496 struct pkey_mgt { 497 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 498 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 499 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 500 struct kobject *device_parent[MLX4_MFUNC_MAX]; 501 }; 502 503 struct mlx4_ib_iov_sysfs_attr { 504 void *ctx; 505 struct kobject *kobj; 506 unsigned long data; 507 u32 entry_num; 508 char name[15]; 509 struct device_attribute dentry; 510 struct device *dev; 511 }; 512 513 struct mlx4_ib_iov_sysfs_attr_ar { 514 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 515 }; 516 517 struct mlx4_ib_iov_port { 518 char name[100]; 519 u8 num; 520 struct mlx4_ib_dev *dev; 521 struct list_head list; 522 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 523 struct ib_port_attr attr; 524 struct kobject *cur_port; 525 struct kobject *admin_alias_parent; 526 struct kobject *gids_parent; 527 struct kobject *pkeys_parent; 528 struct kobject *mcgs_parent; 529 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 530 }; 531 532 struct counter_index { 533 struct list_head list; 534 u32 index; 535 u8 allocated; 536 }; 537 538 struct mlx4_ib_counters { 539 struct list_head counters_list; 540 struct mutex mutex; /* mutex for accessing counters list */ 541 u32 default_counter; 542 }; 543 544 struct mlx4_ib_dev { 545 struct ib_device ib_dev; 546 struct mlx4_dev *dev; 547 int num_ports; 548 void __iomem *uar_map; 549 550 struct mlx4_uar priv_uar; 551 u32 priv_pdn; 552 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 553 554 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 555 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 556 spinlock_t sm_lock; 557 struct mlx4_ib_sriov sriov; 558 559 struct mutex cap_mask_mutex; 560 bool ib_active; 561 struct mlx4_ib_iboe iboe; 562 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS]; 563 int *eq_table; 564 struct kobject *iov_parent; 565 struct kobject *ports_parent; 566 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 567 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 568 struct pkey_mgt pkeys; 569 unsigned long *ib_uc_qpns_bitmap; 570 int steer_qpn_count; 571 int steer_qpn_base; 572 int steering_support; 573 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 574 /* lock when destroying qp1_proxy and getting netdev events */ 575 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 576 u8 bond_next_port; 577 /* protect resources needed as part of reset flow */ 578 spinlock_t reset_flow_resource_lock; 579 struct list_head qp_list; 580 }; 581 582 struct ib_event_work { 583 struct work_struct work; 584 struct mlx4_ib_dev *ib_dev; 585 struct mlx4_eqe ib_eqe; 586 }; 587 588 struct mlx4_ib_qp_tunnel_init_attr { 589 struct ib_qp_init_attr init_attr; 590 int slave; 591 enum ib_qp_type proxy_qp_type; 592 u8 port; 593 }; 594 595 struct mlx4_uverbs_ex_query_device { 596 __u32 comp_mask; 597 __u32 reserved; 598 }; 599 600 enum query_device_resp_mask { 601 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, 602 }; 603 604 struct mlx4_uverbs_ex_query_device_resp { 605 __u32 comp_mask; 606 __u32 response_length; 607 __u64 hca_core_clock_offset; 608 }; 609 610 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 611 { 612 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 613 } 614 615 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 616 { 617 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 618 } 619 620 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 621 { 622 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 623 } 624 625 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 626 { 627 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 628 } 629 630 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 631 { 632 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 633 } 634 635 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 636 { 637 return container_of(mcq, struct mlx4_ib_cq, mcq); 638 } 639 640 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 641 { 642 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 643 } 644 645 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 646 { 647 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 648 } 649 650 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 651 { 652 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 653 } 654 655 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 656 { 657 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 658 } 659 660 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 661 { 662 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 663 } 664 665 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 666 { 667 return container_of(mqp, struct mlx4_ib_qp, mqp); 668 } 669 670 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 671 { 672 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 673 } 674 675 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 676 { 677 return container_of(msrq, struct mlx4_ib_srq, msrq); 678 } 679 680 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 681 { 682 return container_of(ibah, struct mlx4_ib_ah, ibah); 683 } 684 685 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 686 { 687 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 688 689 return dev->bond_next_port + 1; 690 } 691 692 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 693 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 694 695 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 696 struct mlx4_db *db); 697 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 698 699 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 700 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 701 struct ib_umem *umem); 702 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 703 u64 virt_addr, int access_flags, 704 struct ib_udata *udata); 705 int mlx4_ib_dereg_mr(struct ib_mr *mr); 706 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); 707 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 708 struct ib_mw_bind *mw_bind); 709 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 710 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, 711 enum ib_mr_type mr_type, 712 u32 max_num_sg); 713 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, 714 struct scatterlist *sg, 715 int sg_nents); 716 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 717 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 718 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, 719 const struct ib_cq_init_attr *attr, 720 struct ib_ucontext *context, 721 struct ib_udata *udata); 722 int mlx4_ib_destroy_cq(struct ib_cq *cq); 723 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 724 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 725 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 726 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 727 728 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 729 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 730 int mlx4_ib_destroy_ah(struct ib_ah *ah); 731 732 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 733 struct ib_srq_init_attr *init_attr, 734 struct ib_udata *udata); 735 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 736 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 737 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 738 int mlx4_ib_destroy_srq(struct ib_srq *srq); 739 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 740 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 741 struct ib_recv_wr **bad_wr); 742 743 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 744 struct ib_qp_init_attr *init_attr, 745 struct ib_udata *udata); 746 int mlx4_ib_destroy_qp(struct ib_qp *qp); 747 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 748 int attr_mask, struct ib_udata *udata); 749 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 750 struct ib_qp_init_attr *qp_init_attr); 751 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 752 struct ib_send_wr **bad_wr); 753 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 754 struct ib_recv_wr **bad_wr); 755 756 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 757 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 758 const void *in_mad, void *response_mad); 759 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 760 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 761 const struct ib_mad_hdr *in, size_t in_mad_size, 762 struct ib_mad_hdr *out, size_t *out_mad_size, 763 u16 *out_mad_pkey_index); 764 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 765 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 766 767 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 768 struct ib_fmr_attr *fmr_attr); 769 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 770 u64 iova); 771 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 772 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 773 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 774 struct ib_port_attr *props, int netw_view); 775 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 776 u16 *pkey, int netw_view); 777 778 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 779 union ib_gid *gid, int netw_view); 780 781 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 782 { 783 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 784 785 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 786 return true; 787 788 return !!(ah->av.ib.g_slid & 0x80); 789 } 790 791 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 792 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 793 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 794 int mlx4_ib_mcg_init(void); 795 void mlx4_ib_mcg_destroy(void); 796 797 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 798 799 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 800 struct ib_sa_mad *sa_mad); 801 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 802 struct ib_sa_mad *mad); 803 804 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 805 union ib_gid *gid); 806 807 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 808 enum ib_event_type type); 809 810 void mlx4_ib_tunnels_update_work(struct work_struct *work); 811 812 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 813 enum ib_qp_type qpt, struct ib_wc *wc, 814 struct ib_grh *grh, struct ib_mad *mad); 815 816 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 817 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 818 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, 819 u16 vlan_id, struct ib_mad *mad); 820 821 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 822 823 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 824 struct ib_mad *mad); 825 826 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 827 struct ib_mad *mad); 828 829 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 830 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 831 832 /* alias guid support */ 833 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 834 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 835 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 836 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 837 838 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 839 int block_num, 840 u8 port_num, u8 *p_data); 841 842 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 843 int block_num, u8 port_num, 844 u8 *p_data); 845 846 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 847 struct attribute *attr); 848 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 849 struct attribute *attr); 850 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 851 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 852 int port, int slave_init); 853 854 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 855 856 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 857 858 __be64 mlx4_ib_gen_node_guid(void); 859 860 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 861 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 862 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 863 int is_attach); 864 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 865 u64 start, u64 length, u64 virt_addr, 866 int mr_access_flags, struct ib_pd *pd, 867 struct ib_udata *udata); 868 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, 869 u8 port_num, int index); 870 871 #endif /* MLX4_IB_H */ 872