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/rbtree.h> 50 51#define MLX4_IB_DRV_NAME "mlx4_ib" 52 53#ifdef pr_fmt 54#undef pr_fmt 55#endif 56#define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__ 57 58#define mlx4_ib_warn(ibdev, format, arg...) \ 59 dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg) 60 61#define mlx4_ib_info(ibdev, format, arg...) \ 62 dev_info((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg) 63 64enum { 65 MLX4_IB_SQ_MIN_WQE_SHIFT = 6, 66 MLX4_IB_MAX_HEADROOM = 2048 67}; 68 69#define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1) 70#define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT)) 71 72/*module param to indicate if SM assigns the alias_GUID*/ 73extern int mlx4_ib_sm_guid_assign; 74#ifdef __linux__ 75extern struct proc_dir_entry *mlx4_mrs_dir_entry; 76#endif 77 78#define MLX4_IB_UC_STEER_QPN_ALIGN 1 79#define MLX4_IB_UC_MAX_NUM_QPS (256 * 1024) 80 81 82#define MLX4_IB_MMAP_CMD_MASK 0xFF 83#define MLX4_IB_MMAP_CMD_BITS 8 84 85struct 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}; 91 92struct mlx4_ib_pd { 93 struct ib_pd ibpd; 94 u32 pdn; 95}; 96 97struct mlx4_ib_xrcd { 98 struct ib_xrcd ibxrcd; 99 u32 xrcdn; 100 struct ib_pd *pd; 101 struct ib_cq *cq; 102}; 103 104struct mlx4_ib_cq_buf { 105 struct mlx4_buf buf; 106 struct mlx4_mtt mtt; 107 int entry_size; 108}; 109 110struct mlx4_ib_cq_resize { 111 struct mlx4_ib_cq_buf buf; 112 int cqe; 113}; 114 115struct mlx4_shared_mr_info { 116 int mr_id; 117 struct ib_umem *umem; 118}; 119 120struct mlx4_ib_cq { 121 struct ib_cq ibcq; 122 struct mlx4_cq mcq; 123 struct mlx4_ib_cq_buf buf; 124 struct mlx4_ib_cq_resize *resize_buf; 125 struct mlx4_db db; 126 spinlock_t lock; 127 struct mutex resize_mutex; 128 struct ib_umem *umem; 129 struct ib_umem *resize_umem; 130}; 131 132struct mlx4_ib_mr { 133 struct ib_mr ibmr; 134 struct mlx4_mr mmr; 135 struct ib_umem *umem; 136 struct mlx4_shared_mr_info *smr_info; 137}; 138 139struct mlx4_ib_fast_reg_page_list { 140 struct ib_fast_reg_page_list ibfrpl; 141 __be64 *mapped_page_list; 142 dma_addr_t map; 143}; 144 145struct mlx4_ib_fmr { 146 struct ib_fmr ibfmr; 147 struct mlx4_fmr mfmr; 148}; 149 150struct mlx4_ib_wq { 151 u64 *wrid; 152 spinlock_t lock; 153 int wqe_cnt; 154 int max_post; 155 int max_gs; 156 int offset; 157 int wqe_shift; 158 unsigned head; 159 unsigned tail; 160}; 161 162enum mlx4_ib_qp_flags { 163 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 164 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 165 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 166 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 167 MLX4_IB_SRIOV_SQP = 1 << 31, 168}; 169 170struct mlx4_ib_gid_entry { 171 struct list_head list; 172 union ib_gid gid; 173 int added; 174 u8 port; 175}; 176 177enum mlx4_ib_mmap_cmd { 178 MLX4_IB_MMAP_UAR_PAGE = 0, 179 MLX4_IB_MMAP_BLUE_FLAME_PAGE = 1, 180 MLX4_IB_MMAP_GET_CONTIGUOUS_PAGES = 2, 181}; 182 183enum mlx4_ib_qp_type { 184 /* 185 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 186 * here (and in that order) since the MAD layer uses them as 187 * indices into a 2-entry table. 188 */ 189 MLX4_IB_QPT_SMI = IB_QPT_SMI, 190 MLX4_IB_QPT_GSI = IB_QPT_GSI, 191 192 MLX4_IB_QPT_RC = IB_QPT_RC, 193 MLX4_IB_QPT_UC = IB_QPT_UC, 194 MLX4_IB_QPT_UD = IB_QPT_UD, 195 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 196 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 197 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 198 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 199 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 200 201 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 202 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 203 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 204 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 205 MLX4_IB_QPT_TUN_SMI = 1 << 20, 206 MLX4_IB_QPT_TUN_GSI = 1 << 21, 207}; 208 209#define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 210 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 211 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 212 213enum mlx4_ib_mad_ifc_flags { 214 MLX4_MAD_IFC_IGNORE_MKEY = 1, 215 MLX4_MAD_IFC_IGNORE_BKEY = 2, 216 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 217 MLX4_MAD_IFC_IGNORE_BKEY), 218 MLX4_MAD_IFC_NET_VIEW = 4, 219}; 220 221enum { 222 MLX4_NUM_TUNNEL_BUFS = 256, 223}; 224 225struct mlx4_ib_tunnel_header { 226 struct mlx4_av av; 227 __be32 remote_qpn; 228 __be32 qkey; 229 __be16 vlan; 230 u8 mac[6]; 231 __be16 pkey_index; 232 u8 reserved[6]; 233}; 234 235struct mlx4_ib_buf { 236 void *addr; 237 dma_addr_t map; 238}; 239 240struct mlx4_rcv_tunnel_hdr { 241 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 242 * 0x0 - no vlan was in the packet 243 * 0x01 - C-VLAN was in the packet */ 244 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 245 u8 reserved; 246 __be16 pkey_index; 247 __be16 sl_vid; 248 __be16 slid_mac_47_32; 249 __be32 mac_31_0; 250}; 251 252struct mlx4_ib_proxy_sqp_hdr { 253 struct ib_grh grh; 254 struct mlx4_rcv_tunnel_hdr tun; 255} __packed; 256 257struct mlx4_roce_smac_vlan_info { 258 u64 smac; 259 int smac_index; 260 int smac_port; 261 u64 candidate_smac; 262 int candidate_smac_index; 263 int candidate_smac_port; 264 u16 vid; 265 int vlan_index; 266 int vlan_port; 267 u16 candidate_vid; 268 int candidate_vlan_index; 269 int candidate_vlan_port; 270 int update_vid; 271}; 272 273struct mlx4_ib_qpg_data { 274 unsigned long *tss_bitmap; 275 unsigned long *rss_bitmap; 276 struct mlx4_ib_qp *qpg_parent; 277 int tss_qpn_base; 278 int rss_qpn_base; 279 u32 tss_child_count; 280 u32 rss_child_count; 281 u32 qpg_tss_mask_sz; 282}; 283 284struct mlx4_ib_qp { 285 struct ib_qp ibqp; 286 struct mlx4_qp mqp; 287 struct mlx4_buf buf; 288 289 struct mlx4_db db; 290 struct mlx4_ib_wq rq; 291 292 u32 doorbell_qpn; 293 __be32 sq_signal_bits; 294 unsigned sq_next_wqe; 295 int sq_max_wqes_per_wr; 296 int sq_spare_wqes; 297 struct mlx4_ib_wq sq; 298 299 enum mlx4_ib_qp_type mlx4_ib_qp_type; 300 struct ib_umem *umem; 301 struct mlx4_mtt mtt; 302 int buf_size; 303 struct mutex mutex; 304 u16 xrcdn; 305 u32 flags; 306 u8 port; 307 u8 alt_port; 308 u8 atomic_rd_en; 309 u8 resp_depth; 310 u8 sq_no_prefetch; 311 u8 state; 312 int mlx_type; 313 enum ib_qpg_type qpg_type; 314 struct mlx4_ib_qpg_data *qpg_data; 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 struct list_head rules_list; 321 int max_inline_data; 322 struct mlx4_bf bf; 323}; 324 325struct 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 340struct 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 356enum mlx4_guid_alias_rec_status { 357 MLX4_GUID_INFO_STATUS_IDLE, 358 MLX4_GUID_INFO_STATUS_SET, 359 MLX4_GUID_INFO_STATUS_PENDING, 360}; 361 362enum mlx4_guid_alias_rec_ownership { 363 MLX4_GUID_DRIVER_ASSIGN, 364 MLX4_GUID_SYSADMIN_ASSIGN, 365 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/ 366}; 367 368enum mlx4_guid_alias_rec_method { 369 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 370 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 371}; 372 373struct mlx4_sriov_alias_guid_info_rec_det { 374 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 375 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 376 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 377 u8 method; /*set or delete*/ 378 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/ 379}; 380 381struct mlx4_sriov_alias_guid_port_rec_det { 382 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 383 struct workqueue_struct *wq; 384 struct delayed_work alias_guid_work; 385 u8 port; 386 struct mlx4_sriov_alias_guid *parent; 387 struct list_head cb_list; 388}; 389 390struct mlx4_sriov_alias_guid { 391 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 392 spinlock_t ag_work_lock; 393 struct ib_sa_client *sa_client; 394}; 395 396struct mlx4_ib_demux_work { 397 struct work_struct work; 398 struct mlx4_ib_dev *dev; 399 int slave; 400 int do_init; 401 u8 port; 402 403}; 404 405struct mlx4_ib_tun_tx_buf { 406 struct mlx4_ib_buf buf; 407 struct ib_ah *ah; 408}; 409 410struct mlx4_ib_demux_pv_qp { 411 struct ib_qp *qp; 412 enum ib_qp_type proxy_qpt; 413 struct mlx4_ib_buf *ring; 414 struct mlx4_ib_tun_tx_buf *tx_ring; 415 spinlock_t tx_lock; 416 unsigned tx_ix_head; 417 unsigned tx_ix_tail; 418}; 419 420enum mlx4_ib_demux_pv_state { 421 DEMUX_PV_STATE_DOWN, 422 DEMUX_PV_STATE_STARTING, 423 DEMUX_PV_STATE_ACTIVE, 424 DEMUX_PV_STATE_DOWNING, 425}; 426 427struct mlx4_ib_demux_pv_ctx { 428 int port; 429 int slave; 430 enum mlx4_ib_demux_pv_state state; 431 int has_smi; 432 struct ib_device *ib_dev; 433 struct ib_cq *cq; 434 struct ib_pd *pd; 435 struct ib_mr *mr; 436 struct work_struct work; 437 struct workqueue_struct *wq; 438 struct mlx4_ib_demux_pv_qp qp[2]; 439}; 440 441struct mlx4_ib_demux_ctx { 442 struct ib_device *ib_dev; 443 int port; 444 struct workqueue_struct *wq; 445 struct workqueue_struct *ud_wq; 446 spinlock_t ud_lock; 447 __be64 subnet_prefix; 448 __be64 guid_cache[128]; 449 struct mlx4_ib_dev *dev; 450 /* the following lock protects both mcg_table and mcg_mgid0_list */ 451 struct mutex mcg_table_lock; 452 struct rb_root mcg_table; 453 struct list_head mcg_mgid0_list; 454 struct workqueue_struct *mcg_wq; 455 struct mlx4_ib_demux_pv_ctx **tun; 456 atomic_t tid; 457 int flushing; /* flushing the work queue */ 458}; 459 460struct mlx4_ib_sriov { 461 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 462 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 463 /* when using this spinlock you should use "irq" because 464 * it may be called from interrupt context.*/ 465 spinlock_t going_down_lock; 466 int is_going_down; 467 468 struct mlx4_sriov_alias_guid alias_guid; 469 470 /* CM paravirtualization fields */ 471 struct list_head cm_list; 472 spinlock_t id_map_lock; 473 struct rb_root sl_id_map; 474 struct idr pv_id_table; 475}; 476 477struct mlx4_ib_iboe { 478 spinlock_t lock; 479 struct net_device *netdevs[MLX4_MAX_PORTS]; 480 struct notifier_block nb; 481 union ib_gid gid_table[MLX4_MAX_PORTS][128]; 482}; 483 484struct pkey_mgt { 485 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 486 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 487 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 488 struct kobject *device_parent[MLX4_MFUNC_MAX]; 489}; 490 491struct mlx4_ib_iov_sysfs_attr { 492 void *ctx; 493 struct kobject *kobj; 494 unsigned long data; 495 u32 entry_num; 496 char name[15]; 497 struct device_attribute dentry; 498 struct device *dev; 499}; 500 501struct mlx4_ib_iov_sysfs_attr_ar { 502 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 503}; 504 505struct mlx4_ib_iov_port { 506 char name[100]; 507 u8 num; 508 struct mlx4_ib_dev *dev; 509 struct list_head list; 510 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 511 struct ib_port_attr attr; 512 struct kobject *cur_port; 513 struct kobject *admin_alias_parent; 514 struct kobject *gids_parent; 515 struct kobject *pkeys_parent; 516 struct kobject *mcgs_parent; 517 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 518}; 519 520struct mlx4_ib_dev { 521 struct ib_device ib_dev; 522 struct mlx4_dev *dev; 523 int num_ports; 524 struct mlx4_uar priv_uar; 525 u32 priv_pdn; 526 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 527 528 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 529 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 530 spinlock_t sm_lock; 531 struct mlx4_ib_sriov sriov; 532 533 struct mutex cap_mask_mutex; 534 bool ib_active; 535 struct mlx4_ib_iboe iboe; 536 int counters[MLX4_MAX_PORTS]; 537 int *eq_table; 538 int eq_added; 539 struct kobject *iov_parent; 540 struct kobject *ports_parent; 541 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 542 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 543 struct pkey_mgt pkeys; 544 unsigned long *ib_uc_qpns_bitmap; 545 int steer_qpn_count; 546 int steer_qpn_base; 547}; 548 549struct ib_event_work { 550 struct work_struct work; 551 struct mlx4_ib_dev *ib_dev; 552 struct mlx4_eqe ib_eqe; 553}; 554 555struct mlx4_ib_qp_tunnel_init_attr { 556 struct ib_qp_init_attr init_attr; 557 int slave; 558 enum ib_qp_type proxy_qp_type; 559 u8 port; 560}; 561 562static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 563{ 564 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 565} 566 567static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 568{ 569 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 570} 571 572static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 573{ 574 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 575} 576 577static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 578{ 579 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 580} 581 582static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 583{ 584 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 585} 586 587static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 588{ 589 return container_of(mcq, struct mlx4_ib_cq, mcq); 590} 591 592static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 593{ 594 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 595} 596 597static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) 598{ 599 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); 600} 601 602static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 603{ 604 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 605} 606static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 607{ 608 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 609} 610 611static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 612{ 613 return container_of(mqp, struct mlx4_ib_qp, mqp); 614} 615 616static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 617{ 618 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 619} 620 621static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 622{ 623 return container_of(msrq, struct mlx4_ib_srq, msrq); 624} 625 626static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 627{ 628 return container_of(ibah, struct mlx4_ib_ah, ibah); 629} 630 631int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 632void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 633 634int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 635 struct mlx4_db *db); 636void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 637 638struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 639int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 640 struct ib_umem *umem); 641int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, 642 u64 start_va, 643 int *num_of_mtts); 644struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 645 u64 virt_addr, int access_flags, 646 struct ib_udata *udata, int mr_id); 647int mlx4_ib_dereg_mr(struct ib_mr *mr); 648struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, 649 int max_page_list_len); 650struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, 651 int page_list_len); 652void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); 653 654int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 655int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 656int mlx4_ib_ignore_overrun_cq(struct ib_cq *ibcq); 657struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector, 658 struct ib_ucontext *context, 659 struct ib_udata *udata); 660int mlx4_ib_destroy_cq(struct ib_cq *cq); 661int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 662int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 663void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 664void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 665 666struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 667int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 668int mlx4_ib_destroy_ah(struct ib_ah *ah); 669 670struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 671 struct ib_srq_init_attr *init_attr, 672 struct ib_udata *udata); 673int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 674 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 675int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 676int mlx4_ib_destroy_srq(struct ib_srq *srq); 677void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 678int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 679 struct ib_recv_wr **bad_wr); 680 681struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 682 struct ib_qp_init_attr *init_attr, 683 struct ib_udata *udata); 684int mlx4_ib_destroy_qp(struct ib_qp *qp); 685int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 686 int attr_mask, struct ib_udata *udata); 687int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 688 struct ib_qp_init_attr *qp_init_attr); 689int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 690 struct ib_send_wr **bad_wr); 691int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 692 struct ib_recv_wr **bad_wr); 693 694int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 695 int port, struct ib_wc *in_wc, struct ib_grh *in_grh, 696 void *in_mad, void *response_mad); 697int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 698 struct ib_wc *in_wc, struct ib_grh *in_grh, 699 struct ib_mad *in_mad, struct ib_mad *out_mad); 700int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 701void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 702 703struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 704 struct ib_fmr_attr *fmr_attr); 705int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 706 u64 iova); 707int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 708int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 709int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 710 struct ib_port_attr *props, int netw_view); 711int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 712 u16 *pkey, int netw_view); 713 714int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 715 union ib_gid *gid, int netw_view); 716 717int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr, 718 u8 *mac, int *is_mcast, u8 port); 719 720int mlx4_ib_query_if_stat(struct mlx4_ib_dev *dev, u32 counter_index, 721 union mlx4_counter *counter, u8 clear); 722 723static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 724{ 725 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 726 727 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 728 return 1; 729 730 return !!(ah->av.ib.g_slid & 0x80); 731} 732 733int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 734void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 735void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 736int mlx4_ib_mcg_init(void); 737void mlx4_ib_mcg_destroy(void); 738 739int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 740 741int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 742 struct ib_sa_mad *sa_mad); 743int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 744 struct ib_sa_mad *mad); 745 746int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 747 union ib_gid *gid); 748 749void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 750 enum ib_event_type type); 751 752void mlx4_ib_tunnels_update_work(struct work_struct *work); 753 754int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 755 enum ib_qp_type qpt, struct ib_wc *wc, 756 struct ib_grh *grh, struct ib_mad *mad); 757int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 758 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 759 u32 qkey, struct ib_ah_attr *attr, struct ib_mad *mad); 760__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 761 762int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 763 struct ib_mad *mad, int is_eth); 764 765int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 766 struct ib_mad *mad); 767 768void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 769void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 770 771/* alias guid support */ 772void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 773int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 774void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 775void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 776 777void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 778 int block_num, 779 u8 port_num, u8 *p_data); 780 781void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 782 int block_num, u8 port_num, 783 u8 *p_data); 784 785int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 786 struct attribute *attr); 787void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 788 struct attribute *attr); 789ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 790 791int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 792 793void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 794 795__be64 mlx4_ib_gen_node_guid(void); 796 797int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 798void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 799int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 800 int is_attach); 801 802#endif /* MLX4_IB_H */ 803