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 }; 114 115 struct mlx4_ib_mr { 116 struct ib_mr ibmr; 117 struct mlx4_mr mmr; 118 struct ib_umem *umem; 119 }; 120 121 struct mlx4_ib_mw { 122 struct ib_mw ibmw; 123 struct mlx4_mw mmw; 124 }; 125 126 struct mlx4_ib_fast_reg_page_list { 127 struct ib_fast_reg_page_list ibfrpl; 128 __be64 *mapped_page_list; 129 dma_addr_t map; 130 }; 131 132 struct mlx4_ib_fmr { 133 struct ib_fmr ibfmr; 134 struct mlx4_fmr mfmr; 135 }; 136 137 struct mlx4_ib_flow { 138 struct ib_flow ibflow; 139 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 140 u64 reg_id[2]; 141 }; 142 143 struct mlx4_ib_wq { 144 u64 *wrid; 145 spinlock_t lock; 146 int wqe_cnt; 147 int max_post; 148 int max_gs; 149 int offset; 150 int wqe_shift; 151 unsigned head; 152 unsigned tail; 153 }; 154 155 enum mlx4_ib_qp_flags { 156 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 157 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 158 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 159 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO, 160 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 161 MLX4_IB_SRIOV_SQP = 1 << 31, 162 }; 163 164 struct mlx4_ib_gid_entry { 165 struct list_head list; 166 union ib_gid gid; 167 int added; 168 u8 port; 169 }; 170 171 enum mlx4_ib_qp_type { 172 /* 173 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 174 * here (and in that order) since the MAD layer uses them as 175 * indices into a 2-entry table. 176 */ 177 MLX4_IB_QPT_SMI = IB_QPT_SMI, 178 MLX4_IB_QPT_GSI = IB_QPT_GSI, 179 180 MLX4_IB_QPT_RC = IB_QPT_RC, 181 MLX4_IB_QPT_UC = IB_QPT_UC, 182 MLX4_IB_QPT_UD = IB_QPT_UD, 183 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 184 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 185 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 186 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 187 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 188 189 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 190 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 191 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 192 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 193 MLX4_IB_QPT_TUN_SMI = 1 << 20, 194 MLX4_IB_QPT_TUN_GSI = 1 << 21, 195 }; 196 197 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 198 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 199 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 200 201 enum mlx4_ib_mad_ifc_flags { 202 MLX4_MAD_IFC_IGNORE_MKEY = 1, 203 MLX4_MAD_IFC_IGNORE_BKEY = 2, 204 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 205 MLX4_MAD_IFC_IGNORE_BKEY), 206 MLX4_MAD_IFC_NET_VIEW = 4, 207 }; 208 209 enum { 210 MLX4_NUM_TUNNEL_BUFS = 256, 211 }; 212 213 struct mlx4_ib_tunnel_header { 214 struct mlx4_av av; 215 __be32 remote_qpn; 216 __be32 qkey; 217 __be16 vlan; 218 u8 mac[6]; 219 __be16 pkey_index; 220 u8 reserved[6]; 221 }; 222 223 struct mlx4_ib_buf { 224 void *addr; 225 dma_addr_t map; 226 }; 227 228 struct mlx4_rcv_tunnel_hdr { 229 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 230 * 0x0 - no vlan was in the packet 231 * 0x01 - C-VLAN was in the packet */ 232 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 233 u8 reserved; 234 __be16 pkey_index; 235 __be16 sl_vid; 236 __be16 slid_mac_47_32; 237 __be32 mac_31_0; 238 }; 239 240 struct mlx4_ib_proxy_sqp_hdr { 241 struct ib_grh grh; 242 struct mlx4_rcv_tunnel_hdr tun; 243 } __packed; 244 245 struct mlx4_roce_smac_vlan_info { 246 u64 smac; 247 int smac_index; 248 int smac_port; 249 u64 candidate_smac; 250 int candidate_smac_index; 251 int candidate_smac_port; 252 u16 vid; 253 int vlan_index; 254 int vlan_port; 255 u16 candidate_vid; 256 int candidate_vlan_index; 257 int candidate_vlan_port; 258 int update_vid; 259 }; 260 261 struct mlx4_ib_qp { 262 struct ib_qp ibqp; 263 struct mlx4_qp mqp; 264 struct mlx4_buf buf; 265 266 struct mlx4_db db; 267 struct mlx4_ib_wq rq; 268 269 u32 doorbell_qpn; 270 __be32 sq_signal_bits; 271 unsigned sq_next_wqe; 272 int sq_max_wqes_per_wr; 273 int sq_spare_wqes; 274 struct mlx4_ib_wq sq; 275 276 enum mlx4_ib_qp_type mlx4_ib_qp_type; 277 struct ib_umem *umem; 278 struct mlx4_mtt mtt; 279 int buf_size; 280 struct mutex mutex; 281 u16 xrcdn; 282 u32 flags; 283 u8 port; 284 u8 alt_port; 285 u8 atomic_rd_en; 286 u8 resp_depth; 287 u8 sq_no_prefetch; 288 u8 state; 289 int mlx_type; 290 struct list_head gid_list; 291 struct list_head steering_rules; 292 struct mlx4_ib_buf *sqp_proxy_rcv; 293 struct mlx4_roce_smac_vlan_info pri; 294 struct mlx4_roce_smac_vlan_info alt; 295 u64 reg_id; 296 }; 297 298 struct mlx4_ib_srq { 299 struct ib_srq ibsrq; 300 struct mlx4_srq msrq; 301 struct mlx4_buf buf; 302 struct mlx4_db db; 303 u64 *wrid; 304 spinlock_t lock; 305 int head; 306 int tail; 307 u16 wqe_ctr; 308 struct ib_umem *umem; 309 struct mlx4_mtt mtt; 310 struct mutex mutex; 311 }; 312 313 struct mlx4_ib_ah { 314 struct ib_ah ibah; 315 union mlx4_ext_av av; 316 }; 317 318 /****************************************/ 319 /* alias guid support */ 320 /****************************************/ 321 #define NUM_PORT_ALIAS_GUID 2 322 #define NUM_ALIAS_GUID_IN_REC 8 323 #define NUM_ALIAS_GUID_REC_IN_PORT 16 324 #define GUID_REC_SIZE 8 325 #define NUM_ALIAS_GUID_PER_PORT 128 326 #define MLX4_NOT_SET_GUID (0x00LL) 327 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 328 329 enum mlx4_guid_alias_rec_status { 330 MLX4_GUID_INFO_STATUS_IDLE, 331 MLX4_GUID_INFO_STATUS_SET, 332 MLX4_GUID_INFO_STATUS_PENDING, 333 }; 334 335 enum mlx4_guid_alias_rec_ownership { 336 MLX4_GUID_DRIVER_ASSIGN, 337 MLX4_GUID_SYSADMIN_ASSIGN, 338 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/ 339 }; 340 341 enum mlx4_guid_alias_rec_method { 342 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 343 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 344 }; 345 346 struct mlx4_sriov_alias_guid_info_rec_det { 347 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 348 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 349 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 350 u8 method; /*set or delete*/ 351 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/ 352 }; 353 354 struct mlx4_sriov_alias_guid_port_rec_det { 355 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 356 struct workqueue_struct *wq; 357 struct delayed_work alias_guid_work; 358 u8 port; 359 struct mlx4_sriov_alias_guid *parent; 360 struct list_head cb_list; 361 }; 362 363 struct mlx4_sriov_alias_guid { 364 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 365 spinlock_t ag_work_lock; 366 struct ib_sa_client *sa_client; 367 }; 368 369 struct mlx4_ib_demux_work { 370 struct work_struct work; 371 struct mlx4_ib_dev *dev; 372 int slave; 373 int do_init; 374 u8 port; 375 376 }; 377 378 struct mlx4_ib_tun_tx_buf { 379 struct mlx4_ib_buf buf; 380 struct ib_ah *ah; 381 }; 382 383 struct mlx4_ib_demux_pv_qp { 384 struct ib_qp *qp; 385 enum ib_qp_type proxy_qpt; 386 struct mlx4_ib_buf *ring; 387 struct mlx4_ib_tun_tx_buf *tx_ring; 388 spinlock_t tx_lock; 389 unsigned tx_ix_head; 390 unsigned tx_ix_tail; 391 }; 392 393 enum mlx4_ib_demux_pv_state { 394 DEMUX_PV_STATE_DOWN, 395 DEMUX_PV_STATE_STARTING, 396 DEMUX_PV_STATE_ACTIVE, 397 DEMUX_PV_STATE_DOWNING, 398 }; 399 400 struct mlx4_ib_demux_pv_ctx { 401 int port; 402 int slave; 403 enum mlx4_ib_demux_pv_state state; 404 int has_smi; 405 struct ib_device *ib_dev; 406 struct ib_cq *cq; 407 struct ib_pd *pd; 408 struct ib_mr *mr; 409 struct work_struct work; 410 struct workqueue_struct *wq; 411 struct mlx4_ib_demux_pv_qp qp[2]; 412 }; 413 414 struct mlx4_ib_demux_ctx { 415 struct ib_device *ib_dev; 416 int port; 417 struct workqueue_struct *wq; 418 struct workqueue_struct *ud_wq; 419 spinlock_t ud_lock; 420 __be64 subnet_prefix; 421 __be64 guid_cache[128]; 422 struct mlx4_ib_dev *dev; 423 /* the following lock protects both mcg_table and mcg_mgid0_list */ 424 struct mutex mcg_table_lock; 425 struct rb_root mcg_table; 426 struct list_head mcg_mgid0_list; 427 struct workqueue_struct *mcg_wq; 428 struct mlx4_ib_demux_pv_ctx **tun; 429 atomic_t tid; 430 int flushing; /* flushing the work queue */ 431 }; 432 433 struct mlx4_ib_sriov { 434 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 435 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 436 /* when using this spinlock you should use "irq" because 437 * it may be called from interrupt context.*/ 438 spinlock_t going_down_lock; 439 int is_going_down; 440 441 struct mlx4_sriov_alias_guid alias_guid; 442 443 /* CM paravirtualization fields */ 444 struct list_head cm_list; 445 spinlock_t id_map_lock; 446 struct rb_root sl_id_map; 447 struct idr pv_id_table; 448 }; 449 450 struct mlx4_ib_iboe { 451 spinlock_t lock; 452 struct net_device *netdevs[MLX4_MAX_PORTS]; 453 struct net_device *masters[MLX4_MAX_PORTS]; 454 atomic64_t mac[MLX4_MAX_PORTS]; 455 struct notifier_block nb; 456 struct notifier_block nb_inet; 457 struct notifier_block nb_inet6; 458 union ib_gid gid_table[MLX4_MAX_PORTS][128]; 459 }; 460 461 struct pkey_mgt { 462 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 463 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 464 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 465 struct kobject *device_parent[MLX4_MFUNC_MAX]; 466 }; 467 468 struct mlx4_ib_iov_sysfs_attr { 469 void *ctx; 470 struct kobject *kobj; 471 unsigned long data; 472 u32 entry_num; 473 char name[15]; 474 struct device_attribute dentry; 475 struct device *dev; 476 }; 477 478 struct mlx4_ib_iov_sysfs_attr_ar { 479 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 480 }; 481 482 struct mlx4_ib_iov_port { 483 char name[100]; 484 u8 num; 485 struct mlx4_ib_dev *dev; 486 struct list_head list; 487 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 488 struct ib_port_attr attr; 489 struct kobject *cur_port; 490 struct kobject *admin_alias_parent; 491 struct kobject *gids_parent; 492 struct kobject *pkeys_parent; 493 struct kobject *mcgs_parent; 494 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 495 }; 496 497 struct mlx4_ib_dev { 498 struct ib_device ib_dev; 499 struct mlx4_dev *dev; 500 int num_ports; 501 void __iomem *uar_map; 502 503 struct mlx4_uar priv_uar; 504 u32 priv_pdn; 505 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 506 507 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 508 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 509 spinlock_t sm_lock; 510 struct mlx4_ib_sriov sriov; 511 512 struct mutex cap_mask_mutex; 513 bool ib_active; 514 struct mlx4_ib_iboe iboe; 515 int counters[MLX4_MAX_PORTS]; 516 int *eq_table; 517 int eq_added; 518 struct kobject *iov_parent; 519 struct kobject *ports_parent; 520 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 521 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 522 struct pkey_mgt pkeys; 523 unsigned long *ib_uc_qpns_bitmap; 524 int steer_qpn_count; 525 int steer_qpn_base; 526 int steering_support; 527 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 528 /* lock when destroying qp1_proxy and getting netdev events */ 529 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 530 }; 531 532 struct ib_event_work { 533 struct work_struct work; 534 struct mlx4_ib_dev *ib_dev; 535 struct mlx4_eqe ib_eqe; 536 }; 537 538 struct mlx4_ib_qp_tunnel_init_attr { 539 struct ib_qp_init_attr init_attr; 540 int slave; 541 enum ib_qp_type proxy_qp_type; 542 u8 port; 543 }; 544 545 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 546 { 547 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 548 } 549 550 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 551 { 552 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 553 } 554 555 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 556 { 557 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 558 } 559 560 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 561 { 562 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 563 } 564 565 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 566 { 567 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 568 } 569 570 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 571 { 572 return container_of(mcq, struct mlx4_ib_cq, mcq); 573 } 574 575 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 576 { 577 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 578 } 579 580 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 581 { 582 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 583 } 584 585 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) 586 { 587 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); 588 } 589 590 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 591 { 592 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 593 } 594 595 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 596 { 597 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 598 } 599 600 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 601 { 602 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 603 } 604 605 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 606 { 607 return container_of(mqp, struct mlx4_ib_qp, mqp); 608 } 609 610 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 611 { 612 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 613 } 614 615 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 616 { 617 return container_of(msrq, struct mlx4_ib_srq, msrq); 618 } 619 620 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 621 { 622 return container_of(ibah, struct mlx4_ib_ah, ibah); 623 } 624 625 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 626 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 627 628 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 629 struct mlx4_db *db); 630 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 631 632 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 633 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 634 struct ib_umem *umem); 635 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 636 u64 virt_addr, int access_flags, 637 struct ib_udata *udata); 638 int mlx4_ib_dereg_mr(struct ib_mr *mr); 639 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); 640 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 641 struct ib_mw_bind *mw_bind); 642 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 643 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, 644 int max_page_list_len); 645 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, 646 int page_list_len); 647 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); 648 649 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 650 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 651 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector, 652 struct ib_ucontext *context, 653 struct ib_udata *udata); 654 int mlx4_ib_destroy_cq(struct ib_cq *cq); 655 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 656 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 657 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 658 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 659 660 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 661 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 662 int mlx4_ib_destroy_ah(struct ib_ah *ah); 663 664 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 665 struct ib_srq_init_attr *init_attr, 666 struct ib_udata *udata); 667 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 668 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 669 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 670 int mlx4_ib_destroy_srq(struct ib_srq *srq); 671 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 672 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 673 struct ib_recv_wr **bad_wr); 674 675 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 676 struct ib_qp_init_attr *init_attr, 677 struct ib_udata *udata); 678 int mlx4_ib_destroy_qp(struct ib_qp *qp); 679 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 680 int attr_mask, struct ib_udata *udata); 681 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 682 struct ib_qp_init_attr *qp_init_attr); 683 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 684 struct ib_send_wr **bad_wr); 685 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 686 struct ib_recv_wr **bad_wr); 687 688 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 689 int port, struct ib_wc *in_wc, struct ib_grh *in_grh, 690 void *in_mad, void *response_mad); 691 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 692 struct ib_wc *in_wc, struct ib_grh *in_grh, 693 struct ib_mad *in_mad, struct ib_mad *out_mad); 694 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 695 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 696 697 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 698 struct ib_fmr_attr *fmr_attr); 699 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 700 u64 iova); 701 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 702 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 703 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 704 struct ib_port_attr *props, int netw_view); 705 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 706 u16 *pkey, int netw_view); 707 708 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 709 union ib_gid *gid, int netw_view); 710 711 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 712 { 713 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 714 715 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 716 return true; 717 718 return !!(ah->av.ib.g_slid & 0x80); 719 } 720 721 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 722 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 723 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 724 int mlx4_ib_mcg_init(void); 725 void mlx4_ib_mcg_destroy(void); 726 727 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 728 729 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 730 struct ib_sa_mad *sa_mad); 731 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 732 struct ib_sa_mad *mad); 733 734 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 735 union ib_gid *gid); 736 737 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 738 enum ib_event_type type); 739 740 void mlx4_ib_tunnels_update_work(struct work_struct *work); 741 742 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 743 enum ib_qp_type qpt, struct ib_wc *wc, 744 struct ib_grh *grh, struct ib_mad *mad); 745 746 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 747 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 748 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, 749 struct ib_mad *mad); 750 751 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 752 753 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 754 struct ib_mad *mad); 755 756 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 757 struct ib_mad *mad); 758 759 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 760 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 761 762 /* alias guid support */ 763 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 764 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 765 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 766 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 767 768 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 769 int block_num, 770 u8 port_num, u8 *p_data); 771 772 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 773 int block_num, u8 port_num, 774 u8 *p_data); 775 776 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 777 struct attribute *attr); 778 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 779 struct attribute *attr); 780 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 781 782 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 783 784 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 785 786 __be64 mlx4_ib_gen_node_guid(void); 787 788 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 789 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 790 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 791 int is_attach); 792 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 793 u64 start, u64 length, u64 virt_addr, 794 int mr_access_flags, struct ib_pd *pd, 795 struct ib_udata *udata); 796 797 #endif /* MLX4_IB_H */ 798