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 struct 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 80 struct mlx4_ib_pd { 81 struct ib_pd ibpd; 82 u32 pdn; 83 }; 84 85 struct mlx4_ib_xrcd { 86 struct ib_xrcd ibxrcd; 87 u32 xrcdn; 88 struct ib_pd *pd; 89 struct ib_cq *cq; 90 }; 91 92 struct mlx4_ib_cq_buf { 93 struct mlx4_buf buf; 94 struct mlx4_mtt mtt; 95 int entry_size; 96 }; 97 98 struct mlx4_ib_cq_resize { 99 struct mlx4_ib_cq_buf buf; 100 int cqe; 101 }; 102 103 struct 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 }; 117 118 struct mlx4_ib_mr { 119 struct ib_mr ibmr; 120 struct mlx4_mr mmr; 121 struct ib_umem *umem; 122 }; 123 124 struct mlx4_ib_mw { 125 struct ib_mw ibmw; 126 struct mlx4_mw mmw; 127 }; 128 129 struct 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 }; 134 135 struct mlx4_ib_fmr { 136 struct ib_fmr ibfmr; 137 struct mlx4_fmr mfmr; 138 }; 139 140 #define MAX_REGS_PER_FLOW 2 141 142 struct mlx4_flow_reg_id { 143 u64 id; 144 u64 mirror; 145 }; 146 147 struct 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 }; 152 153 struct 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 }; 164 165 enum 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 }; 173 174 struct mlx4_ib_gid_entry { 175 struct list_head list; 176 union ib_gid gid; 177 int added; 178 u8 port; 179 }; 180 181 enum 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) 210 211 enum 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 }; 218 219 enum { 220 MLX4_NUM_TUNNEL_BUFS = 256, 221 }; 222 223 struct 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 }; 232 233 struct mlx4_ib_buf { 234 void *addr; 235 dma_addr_t map; 236 }; 237 238 struct 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 }; 249 250 struct mlx4_ib_proxy_sqp_hdr { 251 struct ib_grh grh; 252 struct mlx4_rcv_tunnel_hdr tun; 253 } __packed; 254 255 struct 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 }; 270 271 struct 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 }; 310 311 struct 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 }; 325 326 struct 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)) 341 342 enum mlx4_guid_alias_rec_status { 343 MLX4_GUID_INFO_STATUS_IDLE, 344 MLX4_GUID_INFO_STATUS_SET, 345 MLX4_GUID_INFO_STATUS_PENDING, 346 }; 347 348 enum mlx4_guid_alias_rec_ownership { 349 MLX4_GUID_DRIVER_ASSIGN, 350 MLX4_GUID_SYSADMIN_ASSIGN, 351 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/ 352 }; 353 354 enum mlx4_guid_alias_rec_method { 355 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 356 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 357 }; 358 359 struct mlx4_sriov_alias_guid_info_rec_det { 360 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 361 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 362 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 363 u8 method; /*set or delete*/ 364 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/ 365 }; 366 367 struct mlx4_sriov_alias_guid_port_rec_det { 368 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 369 struct workqueue_struct *wq; 370 struct delayed_work alias_guid_work; 371 u8 port; 372 struct mlx4_sriov_alias_guid *parent; 373 struct list_head cb_list; 374 }; 375 376 struct mlx4_sriov_alias_guid { 377 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 378 spinlock_t ag_work_lock; 379 struct ib_sa_client *sa_client; 380 }; 381 382 struct mlx4_ib_demux_work { 383 struct work_struct work; 384 struct mlx4_ib_dev *dev; 385 int slave; 386 int do_init; 387 u8 port; 388 389 }; 390 391 struct mlx4_ib_tun_tx_buf { 392 struct mlx4_ib_buf buf; 393 struct ib_ah *ah; 394 }; 395 396 struct mlx4_ib_demux_pv_qp { 397 struct ib_qp *qp; 398 enum ib_qp_type proxy_qpt; 399 struct mlx4_ib_buf *ring; 400 struct mlx4_ib_tun_tx_buf *tx_ring; 401 spinlock_t tx_lock; 402 unsigned tx_ix_head; 403 unsigned tx_ix_tail; 404 }; 405 406 enum mlx4_ib_demux_pv_state { 407 DEMUX_PV_STATE_DOWN, 408 DEMUX_PV_STATE_STARTING, 409 DEMUX_PV_STATE_ACTIVE, 410 DEMUX_PV_STATE_DOWNING, 411 }; 412 413 struct mlx4_ib_demux_pv_ctx { 414 int port; 415 int slave; 416 enum mlx4_ib_demux_pv_state state; 417 int has_smi; 418 struct ib_device *ib_dev; 419 struct ib_cq *cq; 420 struct ib_pd *pd; 421 struct ib_mr *mr; 422 struct work_struct work; 423 struct workqueue_struct *wq; 424 struct mlx4_ib_demux_pv_qp qp[2]; 425 }; 426 427 struct mlx4_ib_demux_ctx { 428 struct ib_device *ib_dev; 429 int port; 430 struct workqueue_struct *wq; 431 struct workqueue_struct *ud_wq; 432 spinlock_t ud_lock; 433 __be64 subnet_prefix; 434 __be64 guid_cache[128]; 435 struct mlx4_ib_dev *dev; 436 /* the following lock protects both mcg_table and mcg_mgid0_list */ 437 struct mutex mcg_table_lock; 438 struct rb_root mcg_table; 439 struct list_head mcg_mgid0_list; 440 struct workqueue_struct *mcg_wq; 441 struct mlx4_ib_demux_pv_ctx **tun; 442 atomic_t tid; 443 int flushing; /* flushing the work queue */ 444 }; 445 446 struct mlx4_ib_sriov { 447 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 448 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 449 /* when using this spinlock you should use "irq" because 450 * it may be called from interrupt context.*/ 451 spinlock_t going_down_lock; 452 int is_going_down; 453 454 struct mlx4_sriov_alias_guid alias_guid; 455 456 /* CM paravirtualization fields */ 457 struct list_head cm_list; 458 spinlock_t id_map_lock; 459 struct rb_root sl_id_map; 460 struct idr pv_id_table; 461 }; 462 463 struct mlx4_ib_iboe { 464 spinlock_t lock; 465 struct net_device *netdevs[MLX4_MAX_PORTS]; 466 struct net_device *masters[MLX4_MAX_PORTS]; 467 atomic64_t mac[MLX4_MAX_PORTS]; 468 struct notifier_block nb; 469 struct notifier_block nb_inet; 470 struct notifier_block nb_inet6; 471 union ib_gid gid_table[MLX4_MAX_PORTS][128]; 472 }; 473 474 struct pkey_mgt { 475 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 476 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 477 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 478 struct kobject *device_parent[MLX4_MFUNC_MAX]; 479 }; 480 481 struct mlx4_ib_iov_sysfs_attr { 482 void *ctx; 483 struct kobject *kobj; 484 unsigned long data; 485 u32 entry_num; 486 char name[15]; 487 struct device_attribute dentry; 488 struct device *dev; 489 }; 490 491 struct mlx4_ib_iov_sysfs_attr_ar { 492 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 493 }; 494 495 struct mlx4_ib_iov_port { 496 char name[100]; 497 u8 num; 498 struct mlx4_ib_dev *dev; 499 struct list_head list; 500 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 501 struct ib_port_attr attr; 502 struct kobject *cur_port; 503 struct kobject *admin_alias_parent; 504 struct kobject *gids_parent; 505 struct kobject *pkeys_parent; 506 struct kobject *mcgs_parent; 507 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 508 }; 509 510 struct mlx4_ib_dev { 511 struct ib_device ib_dev; 512 struct mlx4_dev *dev; 513 int num_ports; 514 void __iomem *uar_map; 515 516 struct mlx4_uar priv_uar; 517 u32 priv_pdn; 518 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 519 520 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 521 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 522 spinlock_t sm_lock; 523 struct mlx4_ib_sriov sriov; 524 525 struct mutex cap_mask_mutex; 526 bool ib_active; 527 struct mlx4_ib_iboe iboe; 528 int counters[MLX4_MAX_PORTS]; 529 int *eq_table; 530 int eq_added; 531 struct kobject *iov_parent; 532 struct kobject *ports_parent; 533 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 534 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 535 struct pkey_mgt pkeys; 536 unsigned long *ib_uc_qpns_bitmap; 537 int steer_qpn_count; 538 int steer_qpn_base; 539 int steering_support; 540 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 541 /* lock when destroying qp1_proxy and getting netdev events */ 542 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 543 u8 bond_next_port; 544 /* protect resources needed as part of reset flow */ 545 spinlock_t reset_flow_resource_lock; 546 struct list_head qp_list; 547 }; 548 549 struct ib_event_work { 550 struct work_struct work; 551 struct mlx4_ib_dev *ib_dev; 552 struct mlx4_eqe ib_eqe; 553 }; 554 555 struct 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 }; 561 562 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 563 { 564 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 565 } 566 567 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 568 { 569 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 570 } 571 572 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 573 { 574 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 575 } 576 577 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 578 { 579 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 580 } 581 582 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 583 { 584 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 585 } 586 587 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 588 { 589 return container_of(mcq, struct mlx4_ib_cq, mcq); 590 } 591 592 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 593 { 594 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 595 } 596 597 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 598 { 599 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 600 } 601 602 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) 603 { 604 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); 605 } 606 607 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 608 { 609 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 610 } 611 612 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 613 { 614 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 615 } 616 617 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 618 { 619 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 620 } 621 622 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 623 { 624 return container_of(mqp, struct mlx4_ib_qp, mqp); 625 } 626 627 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 628 { 629 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 630 } 631 632 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 633 { 634 return container_of(msrq, struct mlx4_ib_srq, msrq); 635 } 636 637 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 638 { 639 return container_of(ibah, struct mlx4_ib_ah, ibah); 640 } 641 642 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 643 { 644 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 645 646 return dev->bond_next_port + 1; 647 } 648 649 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 650 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 651 652 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 653 struct mlx4_db *db); 654 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 655 656 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 657 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 658 struct ib_umem *umem); 659 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 660 u64 virt_addr, int access_flags, 661 struct ib_udata *udata); 662 int mlx4_ib_dereg_mr(struct ib_mr *mr); 663 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); 664 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 665 struct ib_mw_bind *mw_bind); 666 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 667 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, 668 int max_page_list_len); 669 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, 670 int page_list_len); 671 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); 672 673 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 674 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 675 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector, 676 struct ib_ucontext *context, 677 struct ib_udata *udata); 678 int mlx4_ib_destroy_cq(struct ib_cq *cq); 679 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 680 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 681 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 682 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 683 684 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 685 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 686 int mlx4_ib_destroy_ah(struct ib_ah *ah); 687 688 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 689 struct ib_srq_init_attr *init_attr, 690 struct ib_udata *udata); 691 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 692 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 693 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 694 int mlx4_ib_destroy_srq(struct ib_srq *srq); 695 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 696 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 697 struct ib_recv_wr **bad_wr); 698 699 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 700 struct ib_qp_init_attr *init_attr, 701 struct ib_udata *udata); 702 int mlx4_ib_destroy_qp(struct ib_qp *qp); 703 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 704 int attr_mask, struct ib_udata *udata); 705 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 706 struct ib_qp_init_attr *qp_init_attr); 707 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 708 struct ib_send_wr **bad_wr); 709 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 710 struct ib_recv_wr **bad_wr); 711 712 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 713 int port, struct ib_wc *in_wc, struct ib_grh *in_grh, 714 void *in_mad, void *response_mad); 715 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 716 struct ib_wc *in_wc, struct ib_grh *in_grh, 717 struct ib_mad *in_mad, struct ib_mad *out_mad); 718 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 719 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 720 721 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 722 struct ib_fmr_attr *fmr_attr); 723 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 724 u64 iova); 725 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 726 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 727 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 728 struct ib_port_attr *props, int netw_view); 729 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 730 u16 *pkey, int netw_view); 731 732 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 733 union ib_gid *gid, int netw_view); 734 735 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 736 { 737 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 738 739 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 740 return true; 741 742 return !!(ah->av.ib.g_slid & 0x80); 743 } 744 745 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 746 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 747 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 748 int mlx4_ib_mcg_init(void); 749 void mlx4_ib_mcg_destroy(void); 750 751 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 752 753 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 754 struct ib_sa_mad *sa_mad); 755 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 756 struct ib_sa_mad *mad); 757 758 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 759 union ib_gid *gid); 760 761 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 762 enum ib_event_type type); 763 764 void mlx4_ib_tunnels_update_work(struct work_struct *work); 765 766 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 767 enum ib_qp_type qpt, struct ib_wc *wc, 768 struct ib_grh *grh, struct ib_mad *mad); 769 770 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 771 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 772 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, 773 struct ib_mad *mad); 774 775 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 776 777 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 778 struct ib_mad *mad); 779 780 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 781 struct ib_mad *mad); 782 783 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 784 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 785 786 /* alias guid support */ 787 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 788 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 789 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 790 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 791 792 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 793 int block_num, 794 u8 port_num, u8 *p_data); 795 796 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 797 int block_num, u8 port_num, 798 u8 *p_data); 799 800 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 801 struct attribute *attr); 802 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 803 struct attribute *attr); 804 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 805 806 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 807 808 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 809 810 __be64 mlx4_ib_gen_node_guid(void); 811 812 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 813 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 814 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 815 int is_attach); 816 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 817 u64 start, u64 length, u64 virt_addr, 818 int mr_access_flags, struct ib_pd *pd, 819 struct ib_udata *udata); 820 821 #endif /* MLX4_IB_H */ 822