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