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