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