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 struct mlx4_ib_ucontext { 72 struct ib_ucontext ibucontext; 73 struct mlx4_uar uar; 74 struct list_head db_page_list; 75 struct mutex db_page_mutex; 76 }; 77 78 struct mlx4_ib_pd { 79 struct ib_pd ibpd; 80 u32 pdn; 81 }; 82 83 struct mlx4_ib_xrcd { 84 struct ib_xrcd ibxrcd; 85 u32 xrcdn; 86 struct ib_pd *pd; 87 struct ib_cq *cq; 88 }; 89 90 struct mlx4_ib_cq_buf { 91 struct mlx4_buf buf; 92 struct mlx4_mtt mtt; 93 int entry_size; 94 }; 95 96 struct mlx4_ib_cq_resize { 97 struct mlx4_ib_cq_buf buf; 98 int cqe; 99 }; 100 101 struct mlx4_ib_cq { 102 struct ib_cq ibcq; 103 struct mlx4_cq mcq; 104 struct mlx4_ib_cq_buf buf; 105 struct mlx4_ib_cq_resize *resize_buf; 106 struct mlx4_db db; 107 spinlock_t lock; 108 struct mutex resize_mutex; 109 struct ib_umem *umem; 110 struct ib_umem *resize_umem; 111 }; 112 113 struct mlx4_ib_mr { 114 struct ib_mr ibmr; 115 struct mlx4_mr mmr; 116 struct ib_umem *umem; 117 }; 118 119 struct mlx4_ib_mw { 120 struct ib_mw ibmw; 121 struct mlx4_mw mmw; 122 }; 123 124 struct mlx4_ib_fast_reg_page_list { 125 struct ib_fast_reg_page_list ibfrpl; 126 __be64 *mapped_page_list; 127 dma_addr_t map; 128 }; 129 130 struct mlx4_ib_fmr { 131 struct ib_fmr ibfmr; 132 struct mlx4_fmr mfmr; 133 }; 134 135 struct mlx4_ib_flow { 136 struct ib_flow ibflow; 137 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 138 u64 reg_id[2]; 139 }; 140 141 struct mlx4_ib_wq { 142 u64 *wrid; 143 spinlock_t lock; 144 int wqe_cnt; 145 int max_post; 146 int max_gs; 147 int offset; 148 int wqe_shift; 149 unsigned head; 150 unsigned tail; 151 }; 152 153 enum mlx4_ib_qp_flags { 154 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 155 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 156 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 157 MLX4_IB_SRIOV_SQP = 1 << 31, 158 }; 159 160 struct mlx4_ib_gid_entry { 161 struct list_head list; 162 union ib_gid gid; 163 int added; 164 u8 port; 165 }; 166 167 enum mlx4_ib_qp_type { 168 /* 169 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 170 * here (and in that order) since the MAD layer uses them as 171 * indices into a 2-entry table. 172 */ 173 MLX4_IB_QPT_SMI = IB_QPT_SMI, 174 MLX4_IB_QPT_GSI = IB_QPT_GSI, 175 176 MLX4_IB_QPT_RC = IB_QPT_RC, 177 MLX4_IB_QPT_UC = IB_QPT_UC, 178 MLX4_IB_QPT_UD = IB_QPT_UD, 179 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 180 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 181 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 182 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 183 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 184 185 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 186 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 187 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 188 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 189 MLX4_IB_QPT_TUN_SMI = 1 << 20, 190 MLX4_IB_QPT_TUN_GSI = 1 << 21, 191 }; 192 193 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 194 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 195 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 196 197 enum mlx4_ib_mad_ifc_flags { 198 MLX4_MAD_IFC_IGNORE_MKEY = 1, 199 MLX4_MAD_IFC_IGNORE_BKEY = 2, 200 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 201 MLX4_MAD_IFC_IGNORE_BKEY), 202 MLX4_MAD_IFC_NET_VIEW = 4, 203 }; 204 205 enum { 206 MLX4_NUM_TUNNEL_BUFS = 256, 207 }; 208 209 struct mlx4_ib_tunnel_header { 210 struct mlx4_av av; 211 __be32 remote_qpn; 212 __be32 qkey; 213 __be16 vlan; 214 u8 mac[6]; 215 __be16 pkey_index; 216 u8 reserved[6]; 217 }; 218 219 struct mlx4_ib_buf { 220 void *addr; 221 dma_addr_t map; 222 }; 223 224 struct mlx4_rcv_tunnel_hdr { 225 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 226 * 0x0 - no vlan was in the packet 227 * 0x01 - C-VLAN was in the packet */ 228 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 229 u8 reserved; 230 __be16 pkey_index; 231 __be16 sl_vid; 232 __be16 slid_mac_47_32; 233 __be32 mac_31_0; 234 }; 235 236 struct mlx4_ib_proxy_sqp_hdr { 237 struct ib_grh grh; 238 struct mlx4_rcv_tunnel_hdr tun; 239 } __packed; 240 241 struct mlx4_ib_qp { 242 struct ib_qp ibqp; 243 struct mlx4_qp mqp; 244 struct mlx4_buf buf; 245 246 struct mlx4_db db; 247 struct mlx4_ib_wq rq; 248 249 u32 doorbell_qpn; 250 __be32 sq_signal_bits; 251 unsigned sq_next_wqe; 252 int sq_max_wqes_per_wr; 253 int sq_spare_wqes; 254 struct mlx4_ib_wq sq; 255 256 enum mlx4_ib_qp_type mlx4_ib_qp_type; 257 struct ib_umem *umem; 258 struct mlx4_mtt mtt; 259 int buf_size; 260 struct mutex mutex; 261 u16 xrcdn; 262 u32 flags; 263 u8 port; 264 u8 alt_port; 265 u8 atomic_rd_en; 266 u8 resp_depth; 267 u8 sq_no_prefetch; 268 u8 state; 269 int mlx_type; 270 struct list_head gid_list; 271 struct list_head steering_rules; 272 struct mlx4_ib_buf *sqp_proxy_rcv; 273 274 }; 275 276 struct mlx4_ib_srq { 277 struct ib_srq ibsrq; 278 struct mlx4_srq msrq; 279 struct mlx4_buf buf; 280 struct mlx4_db db; 281 u64 *wrid; 282 spinlock_t lock; 283 int head; 284 int tail; 285 u16 wqe_ctr; 286 struct ib_umem *umem; 287 struct mlx4_mtt mtt; 288 struct mutex mutex; 289 }; 290 291 struct mlx4_ib_ah { 292 struct ib_ah ibah; 293 union mlx4_ext_av av; 294 }; 295 296 /****************************************/ 297 /* alias guid support */ 298 /****************************************/ 299 #define NUM_PORT_ALIAS_GUID 2 300 #define NUM_ALIAS_GUID_IN_REC 8 301 #define NUM_ALIAS_GUID_REC_IN_PORT 16 302 #define GUID_REC_SIZE 8 303 #define NUM_ALIAS_GUID_PER_PORT 128 304 #define MLX4_NOT_SET_GUID (0x00LL) 305 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 306 307 enum mlx4_guid_alias_rec_status { 308 MLX4_GUID_INFO_STATUS_IDLE, 309 MLX4_GUID_INFO_STATUS_SET, 310 MLX4_GUID_INFO_STATUS_PENDING, 311 }; 312 313 enum mlx4_guid_alias_rec_ownership { 314 MLX4_GUID_DRIVER_ASSIGN, 315 MLX4_GUID_SYSADMIN_ASSIGN, 316 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/ 317 }; 318 319 enum mlx4_guid_alias_rec_method { 320 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 321 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 322 }; 323 324 struct mlx4_sriov_alias_guid_info_rec_det { 325 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 326 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 327 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 328 u8 method; /*set or delete*/ 329 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/ 330 }; 331 332 struct mlx4_sriov_alias_guid_port_rec_det { 333 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 334 struct workqueue_struct *wq; 335 struct delayed_work alias_guid_work; 336 u8 port; 337 struct mlx4_sriov_alias_guid *parent; 338 struct list_head cb_list; 339 }; 340 341 struct mlx4_sriov_alias_guid { 342 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 343 spinlock_t ag_work_lock; 344 struct ib_sa_client *sa_client; 345 }; 346 347 struct mlx4_ib_demux_work { 348 struct work_struct work; 349 struct mlx4_ib_dev *dev; 350 int slave; 351 int do_init; 352 u8 port; 353 354 }; 355 356 struct mlx4_ib_tun_tx_buf { 357 struct mlx4_ib_buf buf; 358 struct ib_ah *ah; 359 }; 360 361 struct mlx4_ib_demux_pv_qp { 362 struct ib_qp *qp; 363 enum ib_qp_type proxy_qpt; 364 struct mlx4_ib_buf *ring; 365 struct mlx4_ib_tun_tx_buf *tx_ring; 366 spinlock_t tx_lock; 367 unsigned tx_ix_head; 368 unsigned tx_ix_tail; 369 }; 370 371 enum mlx4_ib_demux_pv_state { 372 DEMUX_PV_STATE_DOWN, 373 DEMUX_PV_STATE_STARTING, 374 DEMUX_PV_STATE_ACTIVE, 375 DEMUX_PV_STATE_DOWNING, 376 }; 377 378 struct mlx4_ib_demux_pv_ctx { 379 int port; 380 int slave; 381 enum mlx4_ib_demux_pv_state state; 382 int has_smi; 383 struct ib_device *ib_dev; 384 struct ib_cq *cq; 385 struct ib_pd *pd; 386 struct ib_mr *mr; 387 struct work_struct work; 388 struct workqueue_struct *wq; 389 struct mlx4_ib_demux_pv_qp qp[2]; 390 }; 391 392 struct mlx4_ib_demux_ctx { 393 struct ib_device *ib_dev; 394 int port; 395 struct workqueue_struct *wq; 396 struct workqueue_struct *ud_wq; 397 spinlock_t ud_lock; 398 __be64 subnet_prefix; 399 __be64 guid_cache[128]; 400 struct mlx4_ib_dev *dev; 401 /* the following lock protects both mcg_table and mcg_mgid0_list */ 402 struct mutex mcg_table_lock; 403 struct rb_root mcg_table; 404 struct list_head mcg_mgid0_list; 405 struct workqueue_struct *mcg_wq; 406 struct mlx4_ib_demux_pv_ctx **tun; 407 atomic_t tid; 408 int flushing; /* flushing the work queue */ 409 }; 410 411 struct mlx4_ib_sriov { 412 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 413 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 414 /* when using this spinlock you should use "irq" because 415 * it may be called from interrupt context.*/ 416 spinlock_t going_down_lock; 417 int is_going_down; 418 419 struct mlx4_sriov_alias_guid alias_guid; 420 421 /* CM paravirtualization fields */ 422 struct list_head cm_list; 423 spinlock_t id_map_lock; 424 struct rb_root sl_id_map; 425 struct idr pv_id_table; 426 }; 427 428 struct mlx4_ib_iboe { 429 spinlock_t lock; 430 struct net_device *netdevs[MLX4_MAX_PORTS]; 431 struct notifier_block nb; 432 union ib_gid gid_table[MLX4_MAX_PORTS][128]; 433 }; 434 435 struct pkey_mgt { 436 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 437 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 438 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 439 struct kobject *device_parent[MLX4_MFUNC_MAX]; 440 }; 441 442 struct mlx4_ib_iov_sysfs_attr { 443 void *ctx; 444 struct kobject *kobj; 445 unsigned long data; 446 u32 entry_num; 447 char name[15]; 448 struct device_attribute dentry; 449 struct device *dev; 450 }; 451 452 struct mlx4_ib_iov_sysfs_attr_ar { 453 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 454 }; 455 456 struct mlx4_ib_iov_port { 457 char name[100]; 458 u8 num; 459 struct mlx4_ib_dev *dev; 460 struct list_head list; 461 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 462 struct ib_port_attr attr; 463 struct kobject *cur_port; 464 struct kobject *admin_alias_parent; 465 struct kobject *gids_parent; 466 struct kobject *pkeys_parent; 467 struct kobject *mcgs_parent; 468 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 469 }; 470 471 struct mlx4_ib_dev { 472 struct ib_device ib_dev; 473 struct mlx4_dev *dev; 474 int num_ports; 475 void __iomem *uar_map; 476 477 struct mlx4_uar priv_uar; 478 u32 priv_pdn; 479 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 480 481 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 482 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 483 spinlock_t sm_lock; 484 struct mlx4_ib_sriov sriov; 485 486 struct mutex cap_mask_mutex; 487 bool ib_active; 488 struct mlx4_ib_iboe iboe; 489 int counters[MLX4_MAX_PORTS]; 490 int *eq_table; 491 int eq_added; 492 struct kobject *iov_parent; 493 struct kobject *ports_parent; 494 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 495 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 496 struct pkey_mgt pkeys; 497 }; 498 499 struct ib_event_work { 500 struct work_struct work; 501 struct mlx4_ib_dev *ib_dev; 502 struct mlx4_eqe ib_eqe; 503 }; 504 505 struct mlx4_ib_qp_tunnel_init_attr { 506 struct ib_qp_init_attr init_attr; 507 int slave; 508 enum ib_qp_type proxy_qp_type; 509 u8 port; 510 }; 511 512 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 513 { 514 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 515 } 516 517 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 518 { 519 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 520 } 521 522 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 523 { 524 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 525 } 526 527 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 528 { 529 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 530 } 531 532 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 533 { 534 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 535 } 536 537 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 538 { 539 return container_of(mcq, struct mlx4_ib_cq, mcq); 540 } 541 542 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 543 { 544 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 545 } 546 547 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 548 { 549 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 550 } 551 552 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) 553 { 554 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); 555 } 556 557 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 558 { 559 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 560 } 561 562 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 563 { 564 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 565 } 566 567 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 568 { 569 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 570 } 571 572 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 573 { 574 return container_of(mqp, struct mlx4_ib_qp, mqp); 575 } 576 577 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 578 { 579 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 580 } 581 582 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 583 { 584 return container_of(msrq, struct mlx4_ib_srq, msrq); 585 } 586 587 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 588 { 589 return container_of(ibah, struct mlx4_ib_ah, ibah); 590 } 591 592 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 593 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 594 595 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 596 struct mlx4_db *db); 597 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 598 599 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 600 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 601 struct ib_umem *umem); 602 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 603 u64 virt_addr, int access_flags, 604 struct ib_udata *udata); 605 int mlx4_ib_dereg_mr(struct ib_mr *mr); 606 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); 607 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 608 struct ib_mw_bind *mw_bind); 609 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 610 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, 611 int max_page_list_len); 612 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, 613 int page_list_len); 614 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); 615 616 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 617 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 618 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector, 619 struct ib_ucontext *context, 620 struct ib_udata *udata); 621 int mlx4_ib_destroy_cq(struct ib_cq *cq); 622 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 623 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 624 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 625 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 626 627 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 628 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 629 int mlx4_ib_destroy_ah(struct ib_ah *ah); 630 631 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 632 struct ib_srq_init_attr *init_attr, 633 struct ib_udata *udata); 634 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 635 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 636 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 637 int mlx4_ib_destroy_srq(struct ib_srq *srq); 638 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 639 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 640 struct ib_recv_wr **bad_wr); 641 642 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 643 struct ib_qp_init_attr *init_attr, 644 struct ib_udata *udata); 645 int mlx4_ib_destroy_qp(struct ib_qp *qp); 646 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 647 int attr_mask, struct ib_udata *udata); 648 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 649 struct ib_qp_init_attr *qp_init_attr); 650 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 651 struct ib_send_wr **bad_wr); 652 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 653 struct ib_recv_wr **bad_wr); 654 655 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 656 int port, struct ib_wc *in_wc, struct ib_grh *in_grh, 657 void *in_mad, void *response_mad); 658 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 659 struct ib_wc *in_wc, struct ib_grh *in_grh, 660 struct ib_mad *in_mad, struct ib_mad *out_mad); 661 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 662 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 663 664 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 665 struct ib_fmr_attr *fmr_attr); 666 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 667 u64 iova); 668 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 669 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 670 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 671 struct ib_port_attr *props, int netw_view); 672 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 673 u16 *pkey, int netw_view); 674 675 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 676 union ib_gid *gid, int netw_view); 677 678 int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr, 679 u8 *mac, int *is_mcast, u8 port); 680 681 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 682 { 683 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 684 685 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 686 return true; 687 688 return !!(ah->av.ib.g_slid & 0x80); 689 } 690 691 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 692 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 693 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 694 int mlx4_ib_mcg_init(void); 695 void mlx4_ib_mcg_destroy(void); 696 697 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 698 699 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 700 struct ib_sa_mad *sa_mad); 701 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 702 struct ib_sa_mad *mad); 703 704 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 705 union ib_gid *gid); 706 707 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 708 enum ib_event_type type); 709 710 void mlx4_ib_tunnels_update_work(struct work_struct *work); 711 712 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 713 enum ib_qp_type qpt, struct ib_wc *wc, 714 struct ib_grh *grh, struct ib_mad *mad); 715 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 716 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 717 u32 qkey, struct ib_ah_attr *attr, struct ib_mad *mad); 718 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 719 720 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 721 struct ib_mad *mad); 722 723 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 724 struct ib_mad *mad); 725 726 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 727 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 728 729 /* alias guid support */ 730 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 731 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 732 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 733 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 734 735 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 736 int block_num, 737 u8 port_num, u8 *p_data); 738 739 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 740 int block_num, u8 port_num, 741 u8 *p_data); 742 743 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 744 struct attribute *attr); 745 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 746 struct attribute *attr); 747 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 748 749 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 750 751 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 752 753 __be64 mlx4_ib_gen_node_guid(void); 754 755 756 #endif /* MLX4_IB_H */ 757