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