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 60enum { 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*/ 69extern 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 73struct mlx4_ib_ucontext { 74 struct ib_ucontext ibucontext; 75 struct mlx4_uar uar; 76 struct list_head db_page_list; 77 struct mutex db_page_mutex; 78}; 79 80struct mlx4_ib_pd { 81 struct ib_pd ibpd; 82 u32 pdn; 83}; 84 85struct mlx4_ib_xrcd { 86 struct ib_xrcd ibxrcd; 87 u32 xrcdn; 88 struct ib_pd *pd; 89 struct ib_cq *cq; 90}; 91 92struct mlx4_ib_cq_buf { 93 struct mlx4_buf buf; 94 struct mlx4_mtt mtt; 95 int entry_size; 96}; 97 98struct mlx4_ib_cq_resize { 99 struct mlx4_ib_cq_buf buf; 100 int cqe; 101}; 102 103struct mlx4_ib_cq { 104 struct ib_cq ibcq; 105 struct mlx4_cq mcq; 106 struct mlx4_ib_cq_buf buf; 107 struct mlx4_ib_cq_resize *resize_buf; 108 struct mlx4_db db; 109 spinlock_t lock; 110 struct mutex resize_mutex; 111 struct ib_umem *umem; 112 struct ib_umem *resize_umem; 113 /* List of qps that it serves.*/ 114 struct list_head send_qp_list; 115 struct list_head recv_qp_list; 116}; 117 118struct mlx4_ib_mr { 119 struct ib_mr ibmr; 120 struct mlx4_mr mmr; 121 struct ib_umem *umem; 122}; 123 124struct mlx4_ib_mw { 125 struct ib_mw ibmw; 126 struct mlx4_mw mmw; 127}; 128 129struct mlx4_ib_fast_reg_page_list { 130 struct ib_fast_reg_page_list ibfrpl; 131 __be64 *mapped_page_list; 132 dma_addr_t map; 133}; 134 135struct mlx4_ib_fmr { 136 struct ib_fmr ibfmr; 137 struct mlx4_fmr mfmr; 138}; 139 140#define MAX_REGS_PER_FLOW 2 141 142struct mlx4_flow_reg_id { 143 u64 id; 144 u64 mirror; 145}; 146 147struct mlx4_ib_flow { 148 struct ib_flow ibflow; 149 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 150 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 151}; 152 153struct mlx4_ib_wq { 154 u64 *wrid; 155 spinlock_t lock; 156 int wqe_cnt; 157 int max_post; 158 int max_gs; 159 int offset; 160 int wqe_shift; 161 unsigned head; 162 unsigned tail; 163}; 164 165enum mlx4_ib_qp_flags { 166 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 167 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 168 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 169 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO, 170 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 171 MLX4_IB_SRIOV_SQP = 1 << 31, 172}; 173 174struct mlx4_ib_gid_entry { 175 struct list_head list; 176 union ib_gid gid; 177 int added; 178 u8 port; 179}; 180 181enum mlx4_ib_qp_type { 182 /* 183 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 184 * here (and in that order) since the MAD layer uses them as 185 * indices into a 2-entry table. 186 */ 187 MLX4_IB_QPT_SMI = IB_QPT_SMI, 188 MLX4_IB_QPT_GSI = IB_QPT_GSI, 189 190 MLX4_IB_QPT_RC = IB_QPT_RC, 191 MLX4_IB_QPT_UC = IB_QPT_UC, 192 MLX4_IB_QPT_UD = IB_QPT_UD, 193 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 194 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 195 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 196 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 197 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 198 199 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 200 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 201 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 202 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 203 MLX4_IB_QPT_TUN_SMI = 1 << 20, 204 MLX4_IB_QPT_TUN_GSI = 1 << 21, 205}; 206 207#define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 208 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 209 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 210 211enum mlx4_ib_mad_ifc_flags { 212 MLX4_MAD_IFC_IGNORE_MKEY = 1, 213 MLX4_MAD_IFC_IGNORE_BKEY = 2, 214 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 215 MLX4_MAD_IFC_IGNORE_BKEY), 216 MLX4_MAD_IFC_NET_VIEW = 4, 217}; 218 219enum { 220 MLX4_NUM_TUNNEL_BUFS = 256, 221}; 222 223struct mlx4_ib_tunnel_header { 224 struct mlx4_av av; 225 __be32 remote_qpn; 226 __be32 qkey; 227 __be16 vlan; 228 u8 mac[6]; 229 __be16 pkey_index; 230 u8 reserved[6]; 231}; 232 233struct mlx4_ib_buf { 234 void *addr; 235 dma_addr_t map; 236}; 237 238struct mlx4_rcv_tunnel_hdr { 239 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 240 * 0x0 - no vlan was in the packet 241 * 0x01 - C-VLAN was in the packet */ 242 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 243 u8 reserved; 244 __be16 pkey_index; 245 __be16 sl_vid; 246 __be16 slid_mac_47_32; 247 __be32 mac_31_0; 248}; 249 250struct mlx4_ib_proxy_sqp_hdr { 251 struct ib_grh grh; 252 struct mlx4_rcv_tunnel_hdr tun; 253} __packed; 254 255struct mlx4_roce_smac_vlan_info { 256 u64 smac; 257 int smac_index; 258 int smac_port; 259 u64 candidate_smac; 260 int candidate_smac_index; 261 int candidate_smac_port; 262 u16 vid; 263 int vlan_index; 264 int vlan_port; 265 u16 candidate_vid; 266 int candidate_vlan_index; 267 int candidate_vlan_port; 268 int update_vid; 269}; 270 271struct mlx4_ib_qp { 272 struct ib_qp ibqp; 273 struct mlx4_qp mqp; 274 struct mlx4_buf buf; 275 276 struct mlx4_db db; 277 struct mlx4_ib_wq rq; 278 279 u32 doorbell_qpn; 280 __be32 sq_signal_bits; 281 unsigned sq_next_wqe; 282 int sq_max_wqes_per_wr; 283 int sq_spare_wqes; 284 struct mlx4_ib_wq sq; 285 286 enum mlx4_ib_qp_type mlx4_ib_qp_type; 287 struct ib_umem *umem; 288 struct mlx4_mtt mtt; 289 int buf_size; 290 struct mutex mutex; 291 u16 xrcdn; 292 u32 flags; 293 u8 port; 294 u8 alt_port; 295 u8 atomic_rd_en; 296 u8 resp_depth; 297 u8 sq_no_prefetch; 298 u8 state; 299 int mlx_type; 300 struct list_head gid_list; 301 struct list_head steering_rules; 302 struct mlx4_ib_buf *sqp_proxy_rcv; 303 struct mlx4_roce_smac_vlan_info pri; 304 struct mlx4_roce_smac_vlan_info alt; 305 u64 reg_id; 306 struct list_head qps_list; 307 struct list_head cq_recv_list; 308 struct list_head cq_send_list; 309}; 310 311struct mlx4_ib_srq { 312 struct ib_srq ibsrq; 313 struct mlx4_srq msrq; 314 struct mlx4_buf buf; 315 struct mlx4_db db; 316 u64 *wrid; 317 spinlock_t lock; 318 int head; 319 int tail; 320 u16 wqe_ctr; 321 struct ib_umem *umem; 322 struct mlx4_mtt mtt; 323 struct mutex mutex; 324}; 325 326struct mlx4_ib_ah { 327 struct ib_ah ibah; 328 union mlx4_ext_av av; 329}; 330 331/****************************************/ 332/* alias guid support */ 333/****************************************/ 334#define NUM_PORT_ALIAS_GUID 2 335#define NUM_ALIAS_GUID_IN_REC 8 336#define NUM_ALIAS_GUID_REC_IN_PORT 16 337#define GUID_REC_SIZE 8 338#define NUM_ALIAS_GUID_PER_PORT 128 339#define MLX4_NOT_SET_GUID (0x00LL) 340#define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 341 342enum mlx4_guid_alias_rec_status { 343 MLX4_GUID_INFO_STATUS_IDLE, 344 MLX4_GUID_INFO_STATUS_SET, 345}; 346 347#define GUID_STATE_NEED_PORT_INIT 0x01 348 349enum mlx4_guid_alias_rec_method { 350 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 351 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 352}; 353 354struct mlx4_sriov_alias_guid_info_rec_det { 355 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 356 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 357 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 358 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 359 u64 time_to_run; 360}; 361 362struct mlx4_sriov_alias_guid_port_rec_det { 363 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 364 struct workqueue_struct *wq; 365 struct delayed_work alias_guid_work; 366 u8 port; 367 u32 state_flags; 368 struct mlx4_sriov_alias_guid *parent; 369 struct list_head cb_list; 370}; 371 372struct mlx4_sriov_alias_guid { 373 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 374 spinlock_t ag_work_lock; 375 struct ib_sa_client *sa_client; 376}; 377 378struct mlx4_ib_demux_work { 379 struct work_struct work; 380 struct mlx4_ib_dev *dev; 381 int slave; 382 int do_init; 383 u8 port; 384 385}; 386 387struct mlx4_ib_tun_tx_buf { 388 struct mlx4_ib_buf buf; 389 struct ib_ah *ah; 390}; 391 392struct mlx4_ib_demux_pv_qp { 393 struct ib_qp *qp; 394 enum ib_qp_type proxy_qpt; 395 struct mlx4_ib_buf *ring; 396 struct mlx4_ib_tun_tx_buf *tx_ring; 397 spinlock_t tx_lock; 398 unsigned tx_ix_head; 399 unsigned tx_ix_tail; 400}; 401 402enum mlx4_ib_demux_pv_state { 403 DEMUX_PV_STATE_DOWN, 404 DEMUX_PV_STATE_STARTING, 405 DEMUX_PV_STATE_ACTIVE, 406 DEMUX_PV_STATE_DOWNING, 407}; 408 409struct mlx4_ib_demux_pv_ctx { 410 int port; 411 int slave; 412 enum mlx4_ib_demux_pv_state state; 413 int has_smi; 414 struct ib_device *ib_dev; 415 struct ib_cq *cq; 416 struct ib_pd *pd; 417 struct ib_mr *mr; 418 struct work_struct work; 419 struct workqueue_struct *wq; 420 struct mlx4_ib_demux_pv_qp qp[2]; 421}; 422 423struct mlx4_ib_demux_ctx { 424 struct ib_device *ib_dev; 425 int port; 426 struct workqueue_struct *wq; 427 struct workqueue_struct *ud_wq; 428 spinlock_t ud_lock; 429 __be64 subnet_prefix; 430 __be64 guid_cache[128]; 431 struct mlx4_ib_dev *dev; 432 /* the following lock protects both mcg_table and mcg_mgid0_list */ 433 struct mutex mcg_table_lock; 434 struct rb_root mcg_table; 435 struct list_head mcg_mgid0_list; 436 struct workqueue_struct *mcg_wq; 437 struct mlx4_ib_demux_pv_ctx **tun; 438 atomic_t tid; 439 int flushing; /* flushing the work queue */ 440}; 441 442struct mlx4_ib_sriov { 443 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 444 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 445 /* when using this spinlock you should use "irq" because 446 * it may be called from interrupt context.*/ 447 spinlock_t going_down_lock; 448 int is_going_down; 449 450 struct mlx4_sriov_alias_guid alias_guid; 451 452 /* CM paravirtualization fields */ 453 struct list_head cm_list; 454 spinlock_t id_map_lock; 455 struct rb_root sl_id_map; 456 struct idr pv_id_table; 457}; 458 459struct mlx4_ib_iboe { 460 spinlock_t lock; 461 struct net_device *netdevs[MLX4_MAX_PORTS]; 462 struct net_device *masters[MLX4_MAX_PORTS]; 463 atomic64_t mac[MLX4_MAX_PORTS]; 464 struct notifier_block nb; 465 struct notifier_block nb_inet; 466 struct notifier_block nb_inet6; 467 union ib_gid gid_table[MLX4_MAX_PORTS][128]; 468}; 469 470struct pkey_mgt { 471 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 472 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 473 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 474 struct kobject *device_parent[MLX4_MFUNC_MAX]; 475}; 476 477struct mlx4_ib_iov_sysfs_attr { 478 void *ctx; 479 struct kobject *kobj; 480 unsigned long data; 481 u32 entry_num; 482 char name[15]; 483 struct device_attribute dentry; 484 struct device *dev; 485}; 486 487struct mlx4_ib_iov_sysfs_attr_ar { 488 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 489}; 490 491struct mlx4_ib_iov_port { 492 char name[100]; 493 u8 num; 494 struct mlx4_ib_dev *dev; 495 struct list_head list; 496 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 497 struct ib_port_attr attr; 498 struct kobject *cur_port; 499 struct kobject *admin_alias_parent; 500 struct kobject *gids_parent; 501 struct kobject *pkeys_parent; 502 struct kobject *mcgs_parent; 503 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 504}; 505 506struct mlx4_ib_dev { 507 struct ib_device ib_dev; 508 struct mlx4_dev *dev; 509 int num_ports; 510 void __iomem *uar_map; 511 512 struct mlx4_uar priv_uar; 513 u32 priv_pdn; 514 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 515 516 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 517 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 518 spinlock_t sm_lock; 519 struct mlx4_ib_sriov sriov; 520 521 struct mutex cap_mask_mutex; 522 bool ib_active; 523 struct mlx4_ib_iboe iboe; 524 int counters[MLX4_MAX_PORTS]; 525 int *eq_table; 526 int eq_added; 527 struct kobject *iov_parent; 528 struct kobject *ports_parent; 529 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 530 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 531 struct pkey_mgt pkeys; 532 unsigned long *ib_uc_qpns_bitmap; 533 int steer_qpn_count; 534 int steer_qpn_base; 535 int steering_support; 536 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 537 /* lock when destroying qp1_proxy and getting netdev events */ 538 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 539 u8 bond_next_port; 540 /* protect resources needed as part of reset flow */ 541 spinlock_t reset_flow_resource_lock; 542 struct list_head qp_list; 543}; 544 545struct ib_event_work { 546 struct work_struct work; 547 struct mlx4_ib_dev *ib_dev; 548 struct mlx4_eqe ib_eqe; 549}; 550 551struct mlx4_ib_qp_tunnel_init_attr { 552 struct ib_qp_init_attr init_attr; 553 int slave; 554 enum ib_qp_type proxy_qp_type; 555 u8 port; 556}; 557 558static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 559{ 560 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 561} 562 563static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 564{ 565 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 566} 567 568static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 569{ 570 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 571} 572 573static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 574{ 575 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 576} 577 578static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 579{ 580 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 581} 582 583static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 584{ 585 return container_of(mcq, struct mlx4_ib_cq, mcq); 586} 587 588static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 589{ 590 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 591} 592 593static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 594{ 595 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 596} 597 598static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) 599{ 600 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); 601} 602 603static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 604{ 605 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 606} 607 608static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 609{ 610 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 611} 612 613static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 614{ 615 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 616} 617 618static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 619{ 620 return container_of(mqp, struct mlx4_ib_qp, mqp); 621} 622 623static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 624{ 625 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 626} 627 628static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 629{ 630 return container_of(msrq, struct mlx4_ib_srq, msrq); 631} 632 633static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 634{ 635 return container_of(ibah, struct mlx4_ib_ah, ibah); 636} 637 638static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 639{ 640 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 641 642 return dev->bond_next_port + 1; 643} 644 645int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 646void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 647 648int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 649 struct mlx4_db *db); 650void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 651 652struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 653int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 654 struct ib_umem *umem); 655struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 656 u64 virt_addr, int access_flags, 657 struct ib_udata *udata); 658int mlx4_ib_dereg_mr(struct ib_mr *mr); 659struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); 660int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 661 struct ib_mw_bind *mw_bind); 662int mlx4_ib_dealloc_mw(struct ib_mw *mw); 663struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, 664 int max_page_list_len); 665struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, 666 int page_list_len); 667void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); 668 669int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 670int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 671struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector, 672 struct ib_ucontext *context, 673 struct ib_udata *udata); 674int mlx4_ib_destroy_cq(struct ib_cq *cq); 675int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 676int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 677void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 678void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 679 680struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 681int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 682int mlx4_ib_destroy_ah(struct ib_ah *ah); 683 684struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 685 struct ib_srq_init_attr *init_attr, 686 struct ib_udata *udata); 687int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 688 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 689int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 690int mlx4_ib_destroy_srq(struct ib_srq *srq); 691void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 692int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 693 struct ib_recv_wr **bad_wr); 694 695struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 696 struct ib_qp_init_attr *init_attr, 697 struct ib_udata *udata); 698int mlx4_ib_destroy_qp(struct ib_qp *qp); 699int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 700 int attr_mask, struct ib_udata *udata); 701int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 702 struct ib_qp_init_attr *qp_init_attr); 703int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 704 struct ib_send_wr **bad_wr); 705int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 706 struct ib_recv_wr **bad_wr); 707 708int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 709 int port, struct ib_wc *in_wc, struct ib_grh *in_grh, 710 void *in_mad, void *response_mad); 711int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 712 struct ib_wc *in_wc, struct ib_grh *in_grh, 713 struct ib_mad *in_mad, struct ib_mad *out_mad); 714int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 715void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 716 717struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 718 struct ib_fmr_attr *fmr_attr); 719int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 720 u64 iova); 721int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 722int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 723int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 724 struct ib_port_attr *props, int netw_view); 725int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 726 u16 *pkey, int netw_view); 727 728int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 729 union ib_gid *gid, int netw_view); 730 731static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 732{ 733 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 734 735 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 736 return true; 737 738 return !!(ah->av.ib.g_slid & 0x80); 739} 740 741int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 742void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 743void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 744int mlx4_ib_mcg_init(void); 745void mlx4_ib_mcg_destroy(void); 746 747int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 748 749int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 750 struct ib_sa_mad *sa_mad); 751int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 752 struct ib_sa_mad *mad); 753 754int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 755 union ib_gid *gid); 756 757void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 758 enum ib_event_type type); 759 760void mlx4_ib_tunnels_update_work(struct work_struct *work); 761 762int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 763 enum ib_qp_type qpt, struct ib_wc *wc, 764 struct ib_grh *grh, struct ib_mad *mad); 765 766int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 767 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 768 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, 769 struct ib_mad *mad); 770 771__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 772 773int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 774 struct ib_mad *mad); 775 776int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 777 struct ib_mad *mad); 778 779void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 780void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 781 782/* alias guid support */ 783void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 784int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 785void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 786void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 787 788void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 789 int block_num, 790 u8 port_num, u8 *p_data); 791 792void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 793 int block_num, u8 port_num, 794 u8 *p_data); 795 796int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 797 struct attribute *attr); 798void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 799 struct attribute *attr); 800ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 801void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 802 int port, int slave_init); 803 804int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 805 806void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 807 808__be64 mlx4_ib_gen_node_guid(void); 809 810int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 811void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 812int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 813 int is_attach); 814int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 815 u64 start, u64 length, u64 virt_addr, 816 int mr_access_flags, struct ib_pd *pd, 817 struct ib_udata *udata); 818 819#endif /* MLX4_IB_H */ 820