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 struct mlx4_ib_mr { 133 struct ib_mr ibmr; 134 struct mlx4_mr mmr; 135 struct ib_umem *umem; 136 }; 137 138 struct mlx4_ib_mw { 139 struct ib_mw ibmw; 140 struct mlx4_mw mmw; 141 }; 142 143 struct mlx4_ib_fast_reg_page_list { 144 struct ib_fast_reg_page_list ibfrpl; 145 __be64 *mapped_page_list; 146 dma_addr_t map; 147 }; 148 149 struct mlx4_ib_fmr { 150 struct ib_fmr ibfmr; 151 struct mlx4_fmr mfmr; 152 }; 153 154 #define MAX_REGS_PER_FLOW 2 155 156 struct mlx4_flow_reg_id { 157 u64 id; 158 u64 mirror; 159 }; 160 161 struct mlx4_ib_flow { 162 struct ib_flow ibflow; 163 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 164 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 165 }; 166 167 struct mlx4_ib_wq { 168 u64 *wrid; 169 spinlock_t lock; 170 int wqe_cnt; 171 int max_post; 172 int max_gs; 173 int offset; 174 int wqe_shift; 175 unsigned head; 176 unsigned tail; 177 }; 178 179 enum mlx4_ib_qp_flags { 180 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 181 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 182 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 183 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO, 184 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 185 MLX4_IB_SRIOV_SQP = 1 << 31, 186 }; 187 188 struct mlx4_ib_gid_entry { 189 struct list_head list; 190 union ib_gid gid; 191 int added; 192 u8 port; 193 }; 194 195 enum mlx4_ib_qp_type { 196 /* 197 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 198 * here (and in that order) since the MAD layer uses them as 199 * indices into a 2-entry table. 200 */ 201 MLX4_IB_QPT_SMI = IB_QPT_SMI, 202 MLX4_IB_QPT_GSI = IB_QPT_GSI, 203 204 MLX4_IB_QPT_RC = IB_QPT_RC, 205 MLX4_IB_QPT_UC = IB_QPT_UC, 206 MLX4_IB_QPT_UD = IB_QPT_UD, 207 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 208 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 209 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 210 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 211 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 212 213 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 214 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 215 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 216 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 217 MLX4_IB_QPT_TUN_SMI = 1 << 20, 218 MLX4_IB_QPT_TUN_GSI = 1 << 21, 219 }; 220 221 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 222 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 223 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 224 225 enum mlx4_ib_mad_ifc_flags { 226 MLX4_MAD_IFC_IGNORE_MKEY = 1, 227 MLX4_MAD_IFC_IGNORE_BKEY = 2, 228 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 229 MLX4_MAD_IFC_IGNORE_BKEY), 230 MLX4_MAD_IFC_NET_VIEW = 4, 231 }; 232 233 enum { 234 MLX4_NUM_TUNNEL_BUFS = 256, 235 }; 236 237 struct mlx4_ib_tunnel_header { 238 struct mlx4_av av; 239 __be32 remote_qpn; 240 __be32 qkey; 241 __be16 vlan; 242 u8 mac[6]; 243 __be16 pkey_index; 244 u8 reserved[6]; 245 }; 246 247 struct mlx4_ib_buf { 248 void *addr; 249 dma_addr_t map; 250 }; 251 252 struct mlx4_rcv_tunnel_hdr { 253 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 254 * 0x0 - no vlan was in the packet 255 * 0x01 - C-VLAN was in the packet */ 256 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 257 u8 reserved; 258 __be16 pkey_index; 259 __be16 sl_vid; 260 __be16 slid_mac_47_32; 261 __be32 mac_31_0; 262 }; 263 264 struct mlx4_ib_proxy_sqp_hdr { 265 struct ib_grh grh; 266 struct mlx4_rcv_tunnel_hdr tun; 267 } __packed; 268 269 struct mlx4_roce_smac_vlan_info { 270 u64 smac; 271 int smac_index; 272 int smac_port; 273 u64 candidate_smac; 274 int candidate_smac_index; 275 int candidate_smac_port; 276 u16 vid; 277 int vlan_index; 278 int vlan_port; 279 u16 candidate_vid; 280 int candidate_vlan_index; 281 int candidate_vlan_port; 282 int update_vid; 283 }; 284 285 struct mlx4_ib_qp { 286 struct ib_qp ibqp; 287 struct mlx4_qp mqp; 288 struct mlx4_buf buf; 289 290 struct mlx4_db db; 291 struct mlx4_ib_wq rq; 292 293 u32 doorbell_qpn; 294 __be32 sq_signal_bits; 295 unsigned sq_next_wqe; 296 int sq_max_wqes_per_wr; 297 int sq_spare_wqes; 298 struct mlx4_ib_wq sq; 299 300 enum mlx4_ib_qp_type mlx4_ib_qp_type; 301 struct ib_umem *umem; 302 struct mlx4_mtt mtt; 303 int buf_size; 304 struct mutex mutex; 305 u16 xrcdn; 306 u32 flags; 307 u8 port; 308 u8 alt_port; 309 u8 atomic_rd_en; 310 u8 resp_depth; 311 u8 sq_no_prefetch; 312 u8 state; 313 int mlx_type; 314 struct list_head gid_list; 315 struct list_head steering_rules; 316 struct mlx4_ib_buf *sqp_proxy_rcv; 317 struct mlx4_roce_smac_vlan_info pri; 318 struct mlx4_roce_smac_vlan_info alt; 319 u64 reg_id; 320 struct list_head qps_list; 321 struct list_head cq_recv_list; 322 struct list_head cq_send_list; 323 }; 324 325 struct mlx4_ib_srq { 326 struct ib_srq ibsrq; 327 struct mlx4_srq msrq; 328 struct mlx4_buf buf; 329 struct mlx4_db db; 330 u64 *wrid; 331 spinlock_t lock; 332 int head; 333 int tail; 334 u16 wqe_ctr; 335 struct ib_umem *umem; 336 struct mlx4_mtt mtt; 337 struct mutex mutex; 338 }; 339 340 struct mlx4_ib_ah { 341 struct ib_ah ibah; 342 union mlx4_ext_av av; 343 }; 344 345 /****************************************/ 346 /* alias guid support */ 347 /****************************************/ 348 #define NUM_PORT_ALIAS_GUID 2 349 #define NUM_ALIAS_GUID_IN_REC 8 350 #define NUM_ALIAS_GUID_REC_IN_PORT 16 351 #define GUID_REC_SIZE 8 352 #define NUM_ALIAS_GUID_PER_PORT 128 353 #define MLX4_NOT_SET_GUID (0x00LL) 354 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 355 356 enum mlx4_guid_alias_rec_status { 357 MLX4_GUID_INFO_STATUS_IDLE, 358 MLX4_GUID_INFO_STATUS_SET, 359 }; 360 361 #define GUID_STATE_NEED_PORT_INIT 0x01 362 363 enum mlx4_guid_alias_rec_method { 364 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 365 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 366 }; 367 368 struct mlx4_sriov_alias_guid_info_rec_det { 369 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 370 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 371 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 372 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 373 u64 time_to_run; 374 }; 375 376 struct mlx4_sriov_alias_guid_port_rec_det { 377 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 378 struct workqueue_struct *wq; 379 struct delayed_work alias_guid_work; 380 u8 port; 381 u32 state_flags; 382 struct mlx4_sriov_alias_guid *parent; 383 struct list_head cb_list; 384 }; 385 386 struct mlx4_sriov_alias_guid { 387 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 388 spinlock_t ag_work_lock; 389 struct ib_sa_client *sa_client; 390 }; 391 392 struct mlx4_ib_demux_work { 393 struct work_struct work; 394 struct mlx4_ib_dev *dev; 395 int slave; 396 int do_init; 397 u8 port; 398 399 }; 400 401 struct mlx4_ib_tun_tx_buf { 402 struct mlx4_ib_buf buf; 403 struct ib_ah *ah; 404 }; 405 406 struct mlx4_ib_demux_pv_qp { 407 struct ib_qp *qp; 408 enum ib_qp_type proxy_qpt; 409 struct mlx4_ib_buf *ring; 410 struct mlx4_ib_tun_tx_buf *tx_ring; 411 spinlock_t tx_lock; 412 unsigned tx_ix_head; 413 unsigned tx_ix_tail; 414 }; 415 416 enum mlx4_ib_demux_pv_state { 417 DEMUX_PV_STATE_DOWN, 418 DEMUX_PV_STATE_STARTING, 419 DEMUX_PV_STATE_ACTIVE, 420 DEMUX_PV_STATE_DOWNING, 421 }; 422 423 struct mlx4_ib_demux_pv_ctx { 424 int port; 425 int slave; 426 enum mlx4_ib_demux_pv_state state; 427 int has_smi; 428 struct ib_device *ib_dev; 429 struct ib_cq *cq; 430 struct ib_pd *pd; 431 struct work_struct work; 432 struct workqueue_struct *wq; 433 struct mlx4_ib_demux_pv_qp qp[2]; 434 }; 435 436 struct mlx4_ib_demux_ctx { 437 struct ib_device *ib_dev; 438 int port; 439 struct workqueue_struct *wq; 440 struct workqueue_struct *ud_wq; 441 spinlock_t ud_lock; 442 __be64 subnet_prefix; 443 __be64 guid_cache[128]; 444 struct mlx4_ib_dev *dev; 445 /* the following lock protects both mcg_table and mcg_mgid0_list */ 446 struct mutex mcg_table_lock; 447 struct rb_root mcg_table; 448 struct list_head mcg_mgid0_list; 449 struct workqueue_struct *mcg_wq; 450 struct mlx4_ib_demux_pv_ctx **tun; 451 atomic_t tid; 452 int flushing; /* flushing the work queue */ 453 }; 454 455 struct mlx4_ib_sriov { 456 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 457 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 458 /* when using this spinlock you should use "irq" because 459 * it may be called from interrupt context.*/ 460 spinlock_t going_down_lock; 461 int is_going_down; 462 463 struct mlx4_sriov_alias_guid alias_guid; 464 465 /* CM paravirtualization fields */ 466 struct list_head cm_list; 467 spinlock_t id_map_lock; 468 struct rb_root sl_id_map; 469 struct idr pv_id_table; 470 }; 471 472 struct gid_cache_context { 473 int real_index; 474 int refcount; 475 }; 476 477 struct gid_entry { 478 union ib_gid gid; 479 struct gid_cache_context *ctx; 480 }; 481 482 struct mlx4_port_gid_table { 483 struct gid_entry gids[MLX4_MAX_PORT_GIDS]; 484 }; 485 486 struct mlx4_ib_iboe { 487 spinlock_t lock; 488 struct net_device *netdevs[MLX4_MAX_PORTS]; 489 atomic64_t mac[MLX4_MAX_PORTS]; 490 struct notifier_block nb; 491 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS]; 492 }; 493 494 struct pkey_mgt { 495 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 496 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 497 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 498 struct kobject *device_parent[MLX4_MFUNC_MAX]; 499 }; 500 501 struct mlx4_ib_iov_sysfs_attr { 502 void *ctx; 503 struct kobject *kobj; 504 unsigned long data; 505 u32 entry_num; 506 char name[15]; 507 struct device_attribute dentry; 508 struct device *dev; 509 }; 510 511 struct mlx4_ib_iov_sysfs_attr_ar { 512 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 513 }; 514 515 struct mlx4_ib_iov_port { 516 char name[100]; 517 u8 num; 518 struct mlx4_ib_dev *dev; 519 struct list_head list; 520 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 521 struct ib_port_attr attr; 522 struct kobject *cur_port; 523 struct kobject *admin_alias_parent; 524 struct kobject *gids_parent; 525 struct kobject *pkeys_parent; 526 struct kobject *mcgs_parent; 527 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 528 }; 529 530 struct counter_index { 531 u32 index; 532 u8 allocated; 533 }; 534 535 struct mlx4_ib_dev { 536 struct ib_device ib_dev; 537 struct mlx4_dev *dev; 538 int num_ports; 539 void __iomem *uar_map; 540 541 struct mlx4_uar priv_uar; 542 u32 priv_pdn; 543 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 544 545 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 546 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 547 spinlock_t sm_lock; 548 struct mlx4_ib_sriov sriov; 549 550 struct mutex cap_mask_mutex; 551 bool ib_active; 552 struct mlx4_ib_iboe iboe; 553 struct counter_index counters[MLX4_MAX_PORTS]; 554 int *eq_table; 555 struct kobject *iov_parent; 556 struct kobject *ports_parent; 557 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 558 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 559 struct pkey_mgt pkeys; 560 unsigned long *ib_uc_qpns_bitmap; 561 int steer_qpn_count; 562 int steer_qpn_base; 563 int steering_support; 564 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 565 /* lock when destroying qp1_proxy and getting netdev events */ 566 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 567 u8 bond_next_port; 568 /* protect resources needed as part of reset flow */ 569 spinlock_t reset_flow_resource_lock; 570 struct list_head qp_list; 571 }; 572 573 struct ib_event_work { 574 struct work_struct work; 575 struct mlx4_ib_dev *ib_dev; 576 struct mlx4_eqe ib_eqe; 577 }; 578 579 struct mlx4_ib_qp_tunnel_init_attr { 580 struct ib_qp_init_attr init_attr; 581 int slave; 582 enum ib_qp_type proxy_qp_type; 583 u8 port; 584 }; 585 586 struct mlx4_uverbs_ex_query_device { 587 __u32 comp_mask; 588 __u32 reserved; 589 }; 590 591 enum query_device_resp_mask { 592 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, 593 }; 594 595 struct mlx4_uverbs_ex_query_device_resp { 596 __u32 comp_mask; 597 __u32 response_length; 598 __u64 hca_core_clock_offset; 599 }; 600 601 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 602 { 603 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 604 } 605 606 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 607 { 608 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 609 } 610 611 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 612 { 613 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 614 } 615 616 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 617 { 618 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 619 } 620 621 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 622 { 623 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 624 } 625 626 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 627 { 628 return container_of(mcq, struct mlx4_ib_cq, mcq); 629 } 630 631 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 632 { 633 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 634 } 635 636 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 637 { 638 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 639 } 640 641 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) 642 { 643 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); 644 } 645 646 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 647 { 648 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 649 } 650 651 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 652 { 653 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 654 } 655 656 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 657 { 658 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 659 } 660 661 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 662 { 663 return container_of(mqp, struct mlx4_ib_qp, mqp); 664 } 665 666 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 667 { 668 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 669 } 670 671 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 672 { 673 return container_of(msrq, struct mlx4_ib_srq, msrq); 674 } 675 676 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 677 { 678 return container_of(ibah, struct mlx4_ib_ah, ibah); 679 } 680 681 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 682 { 683 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 684 685 return dev->bond_next_port + 1; 686 } 687 688 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 689 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 690 691 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 692 struct mlx4_db *db); 693 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 694 695 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 696 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 697 struct ib_umem *umem); 698 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 699 u64 virt_addr, int access_flags, 700 struct ib_udata *udata); 701 int mlx4_ib_dereg_mr(struct ib_mr *mr); 702 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); 703 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 704 struct ib_mw_bind *mw_bind); 705 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 706 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, 707 enum ib_mr_type mr_type, 708 u32 max_num_sg); 709 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, 710 int page_list_len); 711 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); 712 713 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 714 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 715 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, 716 const struct ib_cq_init_attr *attr, 717 struct ib_ucontext *context, 718 struct ib_udata *udata); 719 int mlx4_ib_destroy_cq(struct ib_cq *cq); 720 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 721 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 722 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 723 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 724 725 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 726 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 727 int mlx4_ib_destroy_ah(struct ib_ah *ah); 728 729 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 730 struct ib_srq_init_attr *init_attr, 731 struct ib_udata *udata); 732 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 733 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 734 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 735 int mlx4_ib_destroy_srq(struct ib_srq *srq); 736 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 737 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 738 struct ib_recv_wr **bad_wr); 739 740 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 741 struct ib_qp_init_attr *init_attr, 742 struct ib_udata *udata); 743 int mlx4_ib_destroy_qp(struct ib_qp *qp); 744 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 745 int attr_mask, struct ib_udata *udata); 746 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 747 struct ib_qp_init_attr *qp_init_attr); 748 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 749 struct ib_send_wr **bad_wr); 750 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 751 struct ib_recv_wr **bad_wr); 752 753 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 754 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 755 const void *in_mad, void *response_mad); 756 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 757 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 758 const struct ib_mad_hdr *in, size_t in_mad_size, 759 struct ib_mad_hdr *out, size_t *out_mad_size, 760 u16 *out_mad_pkey_index); 761 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 762 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 763 764 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 765 struct ib_fmr_attr *fmr_attr); 766 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 767 u64 iova); 768 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 769 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 770 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 771 struct ib_port_attr *props, int netw_view); 772 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 773 u16 *pkey, int netw_view); 774 775 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 776 union ib_gid *gid, int netw_view); 777 778 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 779 { 780 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 781 782 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 783 return true; 784 785 return !!(ah->av.ib.g_slid & 0x80); 786 } 787 788 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 789 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 790 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 791 int mlx4_ib_mcg_init(void); 792 void mlx4_ib_mcg_destroy(void); 793 794 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 795 796 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 797 struct ib_sa_mad *sa_mad); 798 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 799 struct ib_sa_mad *mad); 800 801 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 802 union ib_gid *gid); 803 804 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 805 enum ib_event_type type); 806 807 void mlx4_ib_tunnels_update_work(struct work_struct *work); 808 809 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 810 enum ib_qp_type qpt, struct ib_wc *wc, 811 struct ib_grh *grh, struct ib_mad *mad); 812 813 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 814 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 815 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, 816 struct ib_mad *mad); 817 818 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 819 820 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 821 struct ib_mad *mad); 822 823 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 824 struct ib_mad *mad); 825 826 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 827 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 828 829 /* alias guid support */ 830 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 831 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 832 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 833 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 834 835 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 836 int block_num, 837 u8 port_num, u8 *p_data); 838 839 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 840 int block_num, u8 port_num, 841 u8 *p_data); 842 843 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 844 struct attribute *attr); 845 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 846 struct attribute *attr); 847 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 848 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 849 int port, int slave_init); 850 851 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 852 853 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 854 855 __be64 mlx4_ib_gen_node_guid(void); 856 857 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 858 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 859 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 860 int is_attach); 861 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 862 u64 start, u64 length, u64 virt_addr, 863 int mr_access_flags, struct ib_pd *pd, 864 struct ib_udata *udata); 865 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, 866 u8 port_num, int index); 867 868 #endif /* MLX4_IB_H */ 869