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 int create_flags; 114 /* List of qps that it serves.*/ 115 struct list_head send_qp_list; 116 struct list_head recv_qp_list; 117 }; 118 119 struct mlx4_ib_mr { 120 struct ib_mr ibmr; 121 struct mlx4_mr mmr; 122 struct ib_umem *umem; 123 }; 124 125 struct mlx4_ib_mw { 126 struct ib_mw ibmw; 127 struct mlx4_mw mmw; 128 }; 129 130 struct mlx4_ib_fast_reg_page_list { 131 struct ib_fast_reg_page_list ibfrpl; 132 __be64 *mapped_page_list; 133 dma_addr_t map; 134 }; 135 136 struct mlx4_ib_fmr { 137 struct ib_fmr ibfmr; 138 struct mlx4_fmr mfmr; 139 }; 140 141 #define MAX_REGS_PER_FLOW 2 142 143 struct mlx4_flow_reg_id { 144 u64 id; 145 u64 mirror; 146 }; 147 148 struct mlx4_ib_flow { 149 struct ib_flow ibflow; 150 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 151 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 152 }; 153 154 struct mlx4_ib_wq { 155 u64 *wrid; 156 spinlock_t lock; 157 int wqe_cnt; 158 int max_post; 159 int max_gs; 160 int offset; 161 int wqe_shift; 162 unsigned head; 163 unsigned tail; 164 }; 165 166 enum mlx4_ib_qp_flags { 167 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 168 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 169 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 170 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO, 171 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 172 MLX4_IB_SRIOV_SQP = 1 << 31, 173 }; 174 175 struct mlx4_ib_gid_entry { 176 struct list_head list; 177 union ib_gid gid; 178 int added; 179 u8 port; 180 }; 181 182 enum mlx4_ib_qp_type { 183 /* 184 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 185 * here (and in that order) since the MAD layer uses them as 186 * indices into a 2-entry table. 187 */ 188 MLX4_IB_QPT_SMI = IB_QPT_SMI, 189 MLX4_IB_QPT_GSI = IB_QPT_GSI, 190 191 MLX4_IB_QPT_RC = IB_QPT_RC, 192 MLX4_IB_QPT_UC = IB_QPT_UC, 193 MLX4_IB_QPT_UD = IB_QPT_UD, 194 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 195 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 196 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 197 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 198 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 199 200 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 201 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 202 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 203 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 204 MLX4_IB_QPT_TUN_SMI = 1 << 20, 205 MLX4_IB_QPT_TUN_GSI = 1 << 21, 206 }; 207 208 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 209 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 210 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 211 212 enum mlx4_ib_mad_ifc_flags { 213 MLX4_MAD_IFC_IGNORE_MKEY = 1, 214 MLX4_MAD_IFC_IGNORE_BKEY = 2, 215 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 216 MLX4_MAD_IFC_IGNORE_BKEY), 217 MLX4_MAD_IFC_NET_VIEW = 4, 218 }; 219 220 enum { 221 MLX4_NUM_TUNNEL_BUFS = 256, 222 }; 223 224 struct mlx4_ib_tunnel_header { 225 struct mlx4_av av; 226 __be32 remote_qpn; 227 __be32 qkey; 228 __be16 vlan; 229 u8 mac[6]; 230 __be16 pkey_index; 231 u8 reserved[6]; 232 }; 233 234 struct mlx4_ib_buf { 235 void *addr; 236 dma_addr_t map; 237 }; 238 239 struct mlx4_rcv_tunnel_hdr { 240 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 241 * 0x0 - no vlan was in the packet 242 * 0x01 - C-VLAN was in the packet */ 243 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 244 u8 reserved; 245 __be16 pkey_index; 246 __be16 sl_vid; 247 __be16 slid_mac_47_32; 248 __be32 mac_31_0; 249 }; 250 251 struct mlx4_ib_proxy_sqp_hdr { 252 struct ib_grh grh; 253 struct mlx4_rcv_tunnel_hdr tun; 254 } __packed; 255 256 struct mlx4_roce_smac_vlan_info { 257 u64 smac; 258 int smac_index; 259 int smac_port; 260 u64 candidate_smac; 261 int candidate_smac_index; 262 int candidate_smac_port; 263 u16 vid; 264 int vlan_index; 265 int vlan_port; 266 u16 candidate_vid; 267 int candidate_vlan_index; 268 int candidate_vlan_port; 269 int update_vid; 270 }; 271 272 struct mlx4_ib_qp { 273 struct ib_qp ibqp; 274 struct mlx4_qp mqp; 275 struct mlx4_buf buf; 276 277 struct mlx4_db db; 278 struct mlx4_ib_wq rq; 279 280 u32 doorbell_qpn; 281 __be32 sq_signal_bits; 282 unsigned sq_next_wqe; 283 int sq_max_wqes_per_wr; 284 int sq_spare_wqes; 285 struct mlx4_ib_wq sq; 286 287 enum mlx4_ib_qp_type mlx4_ib_qp_type; 288 struct ib_umem *umem; 289 struct mlx4_mtt mtt; 290 int buf_size; 291 struct mutex mutex; 292 u16 xrcdn; 293 u32 flags; 294 u8 port; 295 u8 alt_port; 296 u8 atomic_rd_en; 297 u8 resp_depth; 298 u8 sq_no_prefetch; 299 u8 state; 300 int mlx_type; 301 struct list_head gid_list; 302 struct list_head steering_rules; 303 struct mlx4_ib_buf *sqp_proxy_rcv; 304 struct mlx4_roce_smac_vlan_info pri; 305 struct mlx4_roce_smac_vlan_info alt; 306 u64 reg_id; 307 struct list_head qps_list; 308 struct list_head cq_recv_list; 309 struct list_head cq_send_list; 310 }; 311 312 struct mlx4_ib_srq { 313 struct ib_srq ibsrq; 314 struct mlx4_srq msrq; 315 struct mlx4_buf buf; 316 struct mlx4_db db; 317 u64 *wrid; 318 spinlock_t lock; 319 int head; 320 int tail; 321 u16 wqe_ctr; 322 struct ib_umem *umem; 323 struct mlx4_mtt mtt; 324 struct mutex mutex; 325 }; 326 327 struct mlx4_ib_ah { 328 struct ib_ah ibah; 329 union mlx4_ext_av av; 330 }; 331 332 /****************************************/ 333 /* alias guid support */ 334 /****************************************/ 335 #define NUM_PORT_ALIAS_GUID 2 336 #define NUM_ALIAS_GUID_IN_REC 8 337 #define NUM_ALIAS_GUID_REC_IN_PORT 16 338 #define GUID_REC_SIZE 8 339 #define NUM_ALIAS_GUID_PER_PORT 128 340 #define MLX4_NOT_SET_GUID (0x00LL) 341 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 342 343 enum mlx4_guid_alias_rec_status { 344 MLX4_GUID_INFO_STATUS_IDLE, 345 MLX4_GUID_INFO_STATUS_SET, 346 }; 347 348 #define GUID_STATE_NEED_PORT_INIT 0x01 349 350 enum mlx4_guid_alias_rec_method { 351 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 352 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 353 }; 354 355 struct mlx4_sriov_alias_guid_info_rec_det { 356 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 357 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 358 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 359 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 360 u64 time_to_run; 361 }; 362 363 struct mlx4_sriov_alias_guid_port_rec_det { 364 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 365 struct workqueue_struct *wq; 366 struct delayed_work alias_guid_work; 367 u8 port; 368 u32 state_flags; 369 struct mlx4_sriov_alias_guid *parent; 370 struct list_head cb_list; 371 }; 372 373 struct mlx4_sriov_alias_guid { 374 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 375 spinlock_t ag_work_lock; 376 struct ib_sa_client *sa_client; 377 }; 378 379 struct mlx4_ib_demux_work { 380 struct work_struct work; 381 struct mlx4_ib_dev *dev; 382 int slave; 383 int do_init; 384 u8 port; 385 386 }; 387 388 struct mlx4_ib_tun_tx_buf { 389 struct mlx4_ib_buf buf; 390 struct ib_ah *ah; 391 }; 392 393 struct mlx4_ib_demux_pv_qp { 394 struct ib_qp *qp; 395 enum ib_qp_type proxy_qpt; 396 struct mlx4_ib_buf *ring; 397 struct mlx4_ib_tun_tx_buf *tx_ring; 398 spinlock_t tx_lock; 399 unsigned tx_ix_head; 400 unsigned tx_ix_tail; 401 }; 402 403 enum mlx4_ib_demux_pv_state { 404 DEMUX_PV_STATE_DOWN, 405 DEMUX_PV_STATE_STARTING, 406 DEMUX_PV_STATE_ACTIVE, 407 DEMUX_PV_STATE_DOWNING, 408 }; 409 410 struct mlx4_ib_demux_pv_ctx { 411 int port; 412 int slave; 413 enum mlx4_ib_demux_pv_state state; 414 int has_smi; 415 struct ib_device *ib_dev; 416 struct ib_cq *cq; 417 struct ib_pd *pd; 418 struct ib_mr *mr; 419 struct work_struct work; 420 struct workqueue_struct *wq; 421 struct mlx4_ib_demux_pv_qp qp[2]; 422 }; 423 424 struct mlx4_ib_demux_ctx { 425 struct ib_device *ib_dev; 426 int port; 427 struct workqueue_struct *wq; 428 struct workqueue_struct *ud_wq; 429 spinlock_t ud_lock; 430 __be64 subnet_prefix; 431 __be64 guid_cache[128]; 432 struct mlx4_ib_dev *dev; 433 /* the following lock protects both mcg_table and mcg_mgid0_list */ 434 struct mutex mcg_table_lock; 435 struct rb_root mcg_table; 436 struct list_head mcg_mgid0_list; 437 struct workqueue_struct *mcg_wq; 438 struct mlx4_ib_demux_pv_ctx **tun; 439 atomic_t tid; 440 int flushing; /* flushing the work queue */ 441 }; 442 443 struct mlx4_ib_sriov { 444 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 445 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 446 /* when using this spinlock you should use "irq" because 447 * it may be called from interrupt context.*/ 448 spinlock_t going_down_lock; 449 int is_going_down; 450 451 struct mlx4_sriov_alias_guid alias_guid; 452 453 /* CM paravirtualization fields */ 454 struct list_head cm_list; 455 spinlock_t id_map_lock; 456 struct rb_root sl_id_map; 457 struct idr pv_id_table; 458 }; 459 460 struct mlx4_ib_iboe { 461 spinlock_t lock; 462 struct net_device *netdevs[MLX4_MAX_PORTS]; 463 struct net_device *masters[MLX4_MAX_PORTS]; 464 atomic64_t mac[MLX4_MAX_PORTS]; 465 struct notifier_block nb; 466 struct notifier_block nb_inet; 467 struct notifier_block nb_inet6; 468 union ib_gid gid_table[MLX4_MAX_PORTS][128]; 469 }; 470 471 struct pkey_mgt { 472 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 473 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 474 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 475 struct kobject *device_parent[MLX4_MFUNC_MAX]; 476 }; 477 478 struct mlx4_ib_iov_sysfs_attr { 479 void *ctx; 480 struct kobject *kobj; 481 unsigned long data; 482 u32 entry_num; 483 char name[15]; 484 struct device_attribute dentry; 485 struct device *dev; 486 }; 487 488 struct mlx4_ib_iov_sysfs_attr_ar { 489 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 490 }; 491 492 struct mlx4_ib_iov_port { 493 char name[100]; 494 u8 num; 495 struct mlx4_ib_dev *dev; 496 struct list_head list; 497 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 498 struct ib_port_attr attr; 499 struct kobject *cur_port; 500 struct kobject *admin_alias_parent; 501 struct kobject *gids_parent; 502 struct kobject *pkeys_parent; 503 struct kobject *mcgs_parent; 504 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 505 }; 506 507 struct counter_index { 508 u32 index; 509 u8 allocated; 510 }; 511 512 struct mlx4_ib_dev { 513 struct ib_device ib_dev; 514 struct mlx4_dev *dev; 515 int num_ports; 516 void __iomem *uar_map; 517 518 struct mlx4_uar priv_uar; 519 u32 priv_pdn; 520 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 521 522 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 523 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 524 spinlock_t sm_lock; 525 struct mlx4_ib_sriov sriov; 526 527 struct mutex cap_mask_mutex; 528 bool ib_active; 529 struct mlx4_ib_iboe iboe; 530 struct counter_index counters[MLX4_MAX_PORTS]; 531 int *eq_table; 532 struct kobject *iov_parent; 533 struct kobject *ports_parent; 534 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 535 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 536 struct pkey_mgt pkeys; 537 unsigned long *ib_uc_qpns_bitmap; 538 int steer_qpn_count; 539 int steer_qpn_base; 540 int steering_support; 541 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 542 /* lock when destroying qp1_proxy and getting netdev events */ 543 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 544 u8 bond_next_port; 545 /* protect resources needed as part of reset flow */ 546 spinlock_t reset_flow_resource_lock; 547 struct list_head qp_list; 548 }; 549 550 struct ib_event_work { 551 struct work_struct work; 552 struct mlx4_ib_dev *ib_dev; 553 struct mlx4_eqe ib_eqe; 554 }; 555 556 struct mlx4_ib_qp_tunnel_init_attr { 557 struct ib_qp_init_attr init_attr; 558 int slave; 559 enum ib_qp_type proxy_qp_type; 560 u8 port; 561 }; 562 563 struct mlx4_uverbs_ex_query_device { 564 __u32 comp_mask; 565 __u32 reserved; 566 }; 567 568 enum query_device_resp_mask { 569 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, 570 }; 571 572 struct mlx4_uverbs_ex_query_device_resp { 573 __u32 comp_mask; 574 __u32 response_length; 575 __u64 hca_core_clock_offset; 576 }; 577 578 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 579 { 580 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 581 } 582 583 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 584 { 585 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 586 } 587 588 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 589 { 590 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 591 } 592 593 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 594 { 595 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 596 } 597 598 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 599 { 600 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 601 } 602 603 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 604 { 605 return container_of(mcq, struct mlx4_ib_cq, mcq); 606 } 607 608 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 609 { 610 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 611 } 612 613 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 614 { 615 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 616 } 617 618 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) 619 { 620 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); 621 } 622 623 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 624 { 625 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 626 } 627 628 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 629 { 630 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 631 } 632 633 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 634 { 635 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 636 } 637 638 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 639 { 640 return container_of(mqp, struct mlx4_ib_qp, mqp); 641 } 642 643 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 644 { 645 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 646 } 647 648 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 649 { 650 return container_of(msrq, struct mlx4_ib_srq, msrq); 651 } 652 653 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 654 { 655 return container_of(ibah, struct mlx4_ib_ah, ibah); 656 } 657 658 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 659 { 660 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 661 662 return dev->bond_next_port + 1; 663 } 664 665 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 666 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 667 668 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 669 struct mlx4_db *db); 670 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 671 672 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 673 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 674 struct ib_umem *umem); 675 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 676 u64 virt_addr, int access_flags, 677 struct ib_udata *udata); 678 int mlx4_ib_dereg_mr(struct ib_mr *mr); 679 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); 680 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 681 struct ib_mw_bind *mw_bind); 682 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 683 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, 684 int max_page_list_len); 685 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, 686 int page_list_len); 687 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); 688 689 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 690 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 691 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, 692 const struct ib_cq_init_attr *attr, 693 struct ib_ucontext *context, 694 struct ib_udata *udata); 695 int mlx4_ib_destroy_cq(struct ib_cq *cq); 696 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 697 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 698 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 699 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 700 701 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 702 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 703 int mlx4_ib_destroy_ah(struct ib_ah *ah); 704 705 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 706 struct ib_srq_init_attr *init_attr, 707 struct ib_udata *udata); 708 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 709 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 710 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 711 int mlx4_ib_destroy_srq(struct ib_srq *srq); 712 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 713 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 714 struct ib_recv_wr **bad_wr); 715 716 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 717 struct ib_qp_init_attr *init_attr, 718 struct ib_udata *udata); 719 int mlx4_ib_destroy_qp(struct ib_qp *qp); 720 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 721 int attr_mask, struct ib_udata *udata); 722 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 723 struct ib_qp_init_attr *qp_init_attr); 724 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 725 struct ib_send_wr **bad_wr); 726 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 727 struct ib_recv_wr **bad_wr); 728 729 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 730 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 731 const void *in_mad, void *response_mad); 732 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 733 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 734 const struct ib_mad_hdr *in, size_t in_mad_size, 735 struct ib_mad_hdr *out, size_t *out_mad_size, 736 u16 *out_mad_pkey_index); 737 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 738 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 739 740 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 741 struct ib_fmr_attr *fmr_attr); 742 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 743 u64 iova); 744 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 745 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 746 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 747 struct ib_port_attr *props, int netw_view); 748 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 749 u16 *pkey, int netw_view); 750 751 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 752 union ib_gid *gid, int netw_view); 753 754 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 755 { 756 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 757 758 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 759 return true; 760 761 return !!(ah->av.ib.g_slid & 0x80); 762 } 763 764 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 765 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 766 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 767 int mlx4_ib_mcg_init(void); 768 void mlx4_ib_mcg_destroy(void); 769 770 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 771 772 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 773 struct ib_sa_mad *sa_mad); 774 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 775 struct ib_sa_mad *mad); 776 777 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 778 union ib_gid *gid); 779 780 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 781 enum ib_event_type type); 782 783 void mlx4_ib_tunnels_update_work(struct work_struct *work); 784 785 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 786 enum ib_qp_type qpt, struct ib_wc *wc, 787 struct ib_grh *grh, struct ib_mad *mad); 788 789 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 790 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 791 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, 792 struct ib_mad *mad); 793 794 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 795 796 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 797 struct ib_mad *mad); 798 799 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 800 struct ib_mad *mad); 801 802 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 803 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 804 805 /* alias guid support */ 806 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 807 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 808 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 809 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 810 811 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 812 int block_num, 813 u8 port_num, u8 *p_data); 814 815 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 816 int block_num, u8 port_num, 817 u8 *p_data); 818 819 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 820 struct attribute *attr); 821 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 822 struct attribute *attr); 823 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 824 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 825 int port, int slave_init); 826 827 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 828 829 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 830 831 __be64 mlx4_ib_gen_node_guid(void); 832 833 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 834 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 835 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 836 int is_attach); 837 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 838 u64 start, u64 length, u64 virt_addr, 839 int mr_access_flags, struct ib_pd *pd, 840 struct ib_udata *udata); 841 842 #endif /* MLX4_IB_H */ 843