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 #include <linux/rbtree.h> 42 #include <linux/notifier.h> 43 44 #include <rdma/ib_verbs.h> 45 #include <rdma/ib_umem.h> 46 #include <rdma/ib_mad.h> 47 #include <rdma/ib_sa.h> 48 49 #include <dev/mlx4/device.h> 50 #include <dev/mlx4/doorbell.h> 51 52 #define MLX4_IB_DRV_NAME "mlx4_ib" 53 54 #ifdef pr_fmt 55 #undef pr_fmt 56 #endif 57 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__ 58 59 #define mlx4_ib_warn(ibdev, format, arg...) \ 60 dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg) 61 62 #define mlx4_ib_info(ibdev, format, arg...) \ 63 dev_info((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg) 64 65 enum { 66 MLX4_IB_SQ_MIN_WQE_SHIFT = 6, 67 MLX4_IB_MAX_HEADROOM = 2048 68 }; 69 70 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1) 71 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT)) 72 73 /*module param to indicate if SM assigns the alias_GUID*/ 74 extern int mlx4_ib_sm_guid_assign; 75 extern struct proc_dir_entry *mlx4_mrs_dir_entry; 76 77 #define MLX4_IB_UC_STEER_QPN_ALIGN 1 78 #define MLX4_IB_UC_MAX_NUM_QPS (256 * 1024) 79 80 81 #define MLX4_IB_MMAP_CMD_MASK 0xFF 82 #define MLX4_IB_MMAP_CMD_BITS 8 83 84 struct mlx4_ib_ucontext { 85 struct ib_ucontext ibucontext; 86 struct mlx4_uar uar; 87 struct list_head db_page_list; 88 struct mutex db_page_mutex; 89 }; 90 91 struct mlx4_ib_pd { 92 struct ib_pd ibpd; 93 u32 pdn; 94 }; 95 96 struct mlx4_ib_xrcd { 97 struct ib_xrcd ibxrcd; 98 u32 xrcdn; 99 struct ib_pd *pd; 100 struct ib_cq *cq; 101 }; 102 103 struct mlx4_ib_cq_buf { 104 struct mlx4_buf buf; 105 struct mlx4_mtt mtt; 106 int entry_size; 107 }; 108 109 struct mlx4_ib_cq_resize { 110 struct mlx4_ib_cq_buf buf; 111 int cqe; 112 }; 113 114 struct mlx4_shared_mr_info { 115 int mr_id; 116 struct ib_umem *umem; 117 }; 118 119 struct mlx4_ib_cq { 120 struct ib_cq ibcq; 121 struct mlx4_cq mcq; 122 struct mlx4_ib_cq_buf buf; 123 struct mlx4_ib_cq_resize *resize_buf; 124 struct mlx4_db db; 125 spinlock_t lock; 126 struct mutex resize_mutex; 127 struct ib_umem *umem; 128 struct ib_umem *resize_umem; 129 int create_flags; 130 }; 131 132 struct mlx4_ib_mr { 133 struct ib_mr ibmr; 134 struct mlx4_mr mmr; 135 struct ib_umem *umem; 136 struct mlx4_shared_mr_info *smr_info; 137 atomic_t invalidated; 138 struct completion invalidation_comp; 139 }; 140 141 struct mlx4_ib_mw { 142 struct ib_mw ibmw; 143 struct mlx4_mw mmw; 144 }; 145 146 struct mlx4_ib_fast_reg_page_list { 147 struct ib_fast_reg_page_list ibfrpl; 148 __be64 *mapped_page_list; 149 dma_addr_t map; 150 }; 151 152 struct mlx4_ib_fmr { 153 struct ib_fmr ibfmr; 154 struct mlx4_fmr mfmr; 155 }; 156 157 struct mlx4_ib_flow { 158 struct ib_flow ibflow; 159 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 160 u64 reg_id[2]; 161 }; 162 163 struct mlx4_ib_wq { 164 u64 *wrid; 165 spinlock_t lock; 166 int wqe_cnt; 167 int max_post; 168 int max_gs; 169 int offset; 170 int wqe_shift; 171 unsigned head; 172 unsigned tail; 173 }; 174 175 enum mlx4_ib_qp_flags { 176 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 177 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 178 MLX4_IB_QP_CAP_CROSS_CHANNEL = IB_QP_CREATE_CROSS_CHANNEL, 179 MLX4_IB_QP_CAP_MANAGED_SEND = IB_QP_CREATE_MANAGED_SEND, 180 MLX4_IB_QP_CAP_MANAGED_RECV = IB_QP_CREATE_MANAGED_RECV, 181 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 182 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 183 MLX4_IB_SRIOV_SQP = 1 << 31, 184 }; 185 186 struct mlx4_ib_gid_entry { 187 struct list_head list; 188 union ib_gid gid; 189 int added; 190 u8 port; 191 }; 192 193 enum mlx4_ib_mmap_cmd { 194 MLX4_IB_MMAP_UAR_PAGE = 0, 195 MLX4_IB_MMAP_BLUE_FLAME_PAGE = 1, 196 MLX4_IB_MMAP_GET_CONTIGUOUS_PAGES = 2, 197 MLX4_IB_MMAP_GET_HW_CLOCK = 3, 198 }; 199 200 enum mlx4_ib_qp_type { 201 /* 202 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 203 * here (and in that order) since the MAD layer uses them as 204 * indices into a 2-entry table. 205 */ 206 MLX4_IB_QPT_SMI = IB_QPT_SMI, 207 MLX4_IB_QPT_GSI = IB_QPT_GSI, 208 209 MLX4_IB_QPT_RC = IB_QPT_RC, 210 MLX4_IB_QPT_UC = IB_QPT_UC, 211 MLX4_IB_QPT_UD = IB_QPT_UD, 212 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 213 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 214 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 215 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 216 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 217 218 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 219 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 220 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 221 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 222 MLX4_IB_QPT_TUN_SMI = 1 << 20, 223 MLX4_IB_QPT_TUN_GSI = 1 << 21, 224 }; 225 226 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 227 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 228 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 229 230 enum mlx4_ib_mad_ifc_flags { 231 MLX4_MAD_IFC_IGNORE_MKEY = 1, 232 MLX4_MAD_IFC_IGNORE_BKEY = 2, 233 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 234 MLX4_MAD_IFC_IGNORE_BKEY), 235 MLX4_MAD_IFC_NET_VIEW = 4, 236 }; 237 238 enum { 239 MLX4_NUM_TUNNEL_BUFS = 256, 240 }; 241 242 struct mlx4_ib_tunnel_header { 243 struct mlx4_av av; 244 __be32 remote_qpn; 245 __be32 qkey; 246 __be16 vlan; 247 u8 mac[6]; 248 __be16 pkey_index; 249 u8 reserved[6]; 250 }; 251 252 struct mlx4_ib_buf { 253 void *addr; 254 dma_addr_t map; 255 }; 256 257 struct mlx4_rcv_tunnel_hdr { 258 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 259 * 0x0 - no vlan was in the packet 260 * 0x01 - C-VLAN was in the packet */ 261 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 262 u8 reserved; 263 __be16 pkey_index; 264 __be16 sl_vid; 265 __be16 slid_mac_47_32; 266 __be32 mac_31_0; 267 }; 268 269 struct mlx4_ib_proxy_sqp_hdr { 270 struct ib_grh grh; 271 struct mlx4_rcv_tunnel_hdr tun; 272 } __packed; 273 274 struct mlx4_roce_smac_vlan_info { 275 u64 smac; 276 int smac_index; 277 int smac_port; 278 u64 candidate_smac; 279 int candidate_smac_index; 280 int candidate_smac_port; 281 u16 vid; 282 int vlan_index; 283 int vlan_port; 284 u16 candidate_vid; 285 int candidate_vlan_index; 286 int candidate_vlan_port; 287 int update_vid; 288 }; 289 290 struct mlx4_ib_qpg_data { 291 unsigned long *tss_bitmap; 292 unsigned long *rss_bitmap; 293 struct mlx4_ib_qp *qpg_parent; 294 int tss_qpn_base; 295 int rss_qpn_base; 296 u32 tss_child_count; 297 u32 rss_child_count; 298 u32 qpg_tss_mask_sz; 299 }; 300 301 struct mlx4_ib_qp { 302 struct ib_qp ibqp; 303 struct mlx4_qp mqp; 304 struct mlx4_buf buf; 305 306 struct mlx4_db db; 307 struct mlx4_ib_wq rq; 308 309 u32 doorbell_qpn; 310 __be32 sq_signal_bits; 311 unsigned sq_next_wqe; 312 int sq_max_wqes_per_wr; 313 int sq_spare_wqes; 314 struct mlx4_ib_wq sq; 315 316 enum mlx4_ib_qp_type mlx4_ib_qp_type; 317 struct ib_umem *umem; 318 struct mlx4_mtt mtt; 319 int buf_size; 320 struct mutex mutex; 321 u16 xrcdn; 322 u32 flags; 323 u8 port; 324 u8 alt_port; 325 u8 atomic_rd_en; 326 u8 resp_depth; 327 u8 sq_no_prefetch; 328 u8 state; 329 int mlx_type; 330 enum ib_qpg_type qpg_type; 331 struct mlx4_ib_qpg_data *qpg_data; 332 struct list_head gid_list; 333 struct list_head steering_rules; 334 struct mlx4_ib_buf *sqp_proxy_rcv; 335 struct mlx4_roce_smac_vlan_info pri; 336 struct mlx4_roce_smac_vlan_info alt; 337 struct list_head rules_list; 338 u64 reg_id; 339 int max_inline_data; 340 struct mlx4_bf bf; 341 342 /* 343 * Experimental data 344 */ 345 int max_inlr_data; 346 }; 347 348 struct mlx4_ib_srq { 349 struct ib_srq ibsrq; 350 struct mlx4_srq msrq; 351 struct mlx4_buf buf; 352 struct mlx4_db db; 353 u64 *wrid; 354 spinlock_t lock; 355 int head; 356 int tail; 357 u16 wqe_ctr; 358 struct ib_umem *umem; 359 struct mlx4_mtt mtt; 360 struct mutex mutex; 361 }; 362 363 struct mlx4_ib_ah { 364 struct ib_ah ibah; 365 union mlx4_ext_av av; 366 }; 367 368 /****************************************/ 369 /* alias guid support */ 370 /****************************************/ 371 #define NUM_PORT_ALIAS_GUID 2 372 #define NUM_ALIAS_GUID_IN_REC 8 373 #define NUM_ALIAS_GUID_REC_IN_PORT 16 374 #define GUID_REC_SIZE 8 375 #define NUM_ALIAS_GUID_PER_PORT 128 376 #define MLX4_NOT_SET_GUID (0x00LL) 377 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 378 379 /****************************************/ 380 /* ioctl codes */ 381 /****************************************/ 382 #define MLX4_IOC_MAGIC 'm' 383 #define MLX4_IOCHWCLOCKOFFSET _IOR(MLX4_IOC_MAGIC, 1, int) 384 385 enum mlx4_guid_alias_rec_status { 386 MLX4_GUID_INFO_STATUS_IDLE, 387 MLX4_GUID_INFO_STATUS_SET, 388 MLX4_GUID_INFO_STATUS_PENDING, 389 }; 390 391 enum mlx4_guid_alias_rec_ownership { 392 MLX4_GUID_DRIVER_ASSIGN, 393 MLX4_GUID_SYSADMIN_ASSIGN, 394 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/ 395 }; 396 397 enum mlx4_guid_alias_rec_method { 398 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 399 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 400 }; 401 402 struct mlx4_sriov_alias_guid_info_rec_det { 403 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 404 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 405 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 406 u8 method; /*set or delete*/ 407 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/ 408 }; 409 410 struct mlx4_sriov_alias_guid_port_rec_det { 411 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 412 struct workqueue_struct *wq; 413 struct delayed_work alias_guid_work; 414 u8 port; 415 struct mlx4_sriov_alias_guid *parent; 416 struct list_head cb_list; 417 }; 418 419 struct mlx4_sriov_alias_guid { 420 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 421 spinlock_t ag_work_lock; 422 struct ib_sa_client *sa_client; 423 }; 424 425 struct mlx4_ib_demux_work { 426 struct work_struct work; 427 struct mlx4_ib_dev *dev; 428 int slave; 429 int do_init; 430 u8 port; 431 432 }; 433 434 struct mlx4_ib_tun_tx_buf { 435 struct mlx4_ib_buf buf; 436 struct ib_ah *ah; 437 }; 438 439 struct mlx4_ib_demux_pv_qp { 440 struct ib_qp *qp; 441 enum ib_qp_type proxy_qpt; 442 struct mlx4_ib_buf *ring; 443 struct mlx4_ib_tun_tx_buf *tx_ring; 444 spinlock_t tx_lock; 445 unsigned tx_ix_head; 446 unsigned tx_ix_tail; 447 }; 448 449 enum mlx4_ib_demux_pv_state { 450 DEMUX_PV_STATE_DOWN, 451 DEMUX_PV_STATE_STARTING, 452 DEMUX_PV_STATE_ACTIVE, 453 DEMUX_PV_STATE_DOWNING, 454 }; 455 456 struct mlx4_ib_demux_pv_ctx { 457 int port; 458 int slave; 459 enum mlx4_ib_demux_pv_state state; 460 int has_smi; 461 struct ib_device *ib_dev; 462 struct ib_cq *cq; 463 struct ib_pd *pd; 464 struct ib_mr *mr; 465 struct work_struct work; 466 struct workqueue_struct *wq; 467 struct mlx4_ib_demux_pv_qp qp[2]; 468 }; 469 470 struct mlx4_ib_demux_ctx { 471 struct ib_device *ib_dev; 472 int port; 473 struct workqueue_struct *wq; 474 struct workqueue_struct *ud_wq; 475 spinlock_t ud_lock; 476 __be64 subnet_prefix; 477 __be64 guid_cache[128]; 478 struct mlx4_ib_dev *dev; 479 /* the following lock protects both mcg_table and mcg_mgid0_list */ 480 struct mutex mcg_table_lock; 481 struct rb_root mcg_table; 482 struct list_head mcg_mgid0_list; 483 struct workqueue_struct *mcg_wq; 484 struct mlx4_ib_demux_pv_ctx **tun; 485 atomic_t tid; 486 int flushing; /* flushing the work queue */ 487 }; 488 489 struct mlx4_ib_sriov { 490 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 491 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 492 /* when using this spinlock you should use "irq" because 493 * it may be called from interrupt context.*/ 494 spinlock_t going_down_lock; 495 int is_going_down; 496 497 struct mlx4_sriov_alias_guid alias_guid; 498 499 /* CM paravirtualization fields */ 500 struct list_head cm_list; 501 spinlock_t id_map_lock; 502 struct rb_root sl_id_map; 503 struct idr pv_id_table; 504 }; 505 506 struct mlx4_ib_iboe { 507 spinlock_t lock; 508 struct net_device *netdevs[MLX4_MAX_PORTS]; 509 struct net_device *masters[MLX4_MAX_PORTS]; 510 struct notifier_block nb; 511 struct notifier_block nb_inet; 512 union ib_gid gid_table[MLX4_MAX_PORTS][128]; 513 }; 514 515 struct pkey_mgt { 516 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 517 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 518 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 519 struct kobject *device_parent[MLX4_MFUNC_MAX]; 520 }; 521 522 struct mlx4_ib_iov_sysfs_attr { 523 void *ctx; 524 struct kobject *kobj; 525 unsigned long data; 526 u32 entry_num; 527 char name[15]; 528 struct device_attribute dentry; 529 struct device *dev; 530 }; 531 532 struct mlx4_ib_iov_sysfs_attr_ar { 533 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 534 }; 535 536 struct mlx4_ib_iov_port { 537 char name[100]; 538 u8 num; 539 struct mlx4_ib_dev *dev; 540 struct list_head list; 541 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 542 struct ib_port_attr attr; 543 struct kobject *cur_port; 544 struct kobject *admin_alias_parent; 545 struct kobject *gids_parent; 546 struct kobject *pkeys_parent; 547 struct kobject *mcgs_parent; 548 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 549 }; 550 551 struct mlx4_ib_counter { 552 int counter_index; 553 int status; 554 }; 555 556 struct mlx4_ib_dev { 557 struct ib_device ib_dev; 558 struct mlx4_dev *dev; 559 int num_ports; 560 struct mlx4_uar priv_uar; 561 u32 priv_pdn; 562 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 563 564 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 565 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 566 spinlock_t sm_lock; 567 struct mlx4_ib_sriov sriov; 568 569 struct mutex cap_mask_mutex; 570 bool ib_active; 571 struct mlx4_ib_iboe iboe; 572 struct mlx4_ib_counter counters[MLX4_MAX_PORTS]; 573 int *eq_table; 574 int eq_added; 575 struct kobject *iov_parent; 576 struct kobject *ports_parent; 577 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 578 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 579 struct pkey_mgt pkeys; 580 unsigned long *ib_uc_qpns_bitmap; 581 int steer_qpn_count; 582 int steer_qpn_base; 583 }; 584 585 struct ib_event_work { 586 struct work_struct work; 587 struct mlx4_ib_dev *ib_dev; 588 struct mlx4_eqe ib_eqe; 589 }; 590 591 struct mlx4_ib_qp_tunnel_init_attr { 592 struct ib_qp_init_attr init_attr; 593 int slave; 594 enum ib_qp_type proxy_qp_type; 595 u8 port; 596 }; 597 598 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 599 { 600 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 601 } 602 603 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 604 { 605 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 606 } 607 608 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 609 { 610 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 611 } 612 613 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 614 { 615 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 616 } 617 618 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 619 { 620 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 621 } 622 623 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 624 { 625 return container_of(mcq, struct mlx4_ib_cq, mcq); 626 } 627 628 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 629 { 630 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 631 } 632 633 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 634 { 635 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 636 } 637 638 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) 639 { 640 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); 641 } 642 643 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 644 { 645 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 646 } 647 648 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 649 { 650 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 651 } 652 653 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 654 { 655 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 656 } 657 658 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 659 { 660 return container_of(mqp, struct mlx4_ib_qp, mqp); 661 } 662 663 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 664 { 665 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 666 } 667 668 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 669 { 670 return container_of(msrq, struct mlx4_ib_srq, msrq); 671 } 672 673 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 674 { 675 return container_of(ibah, struct mlx4_ib_ah, ibah); 676 } 677 678 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 679 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 680 681 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 682 struct mlx4_db *db); 683 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 684 685 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 686 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 687 struct ib_umem *umem); 688 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, 689 u64 start_va, 690 int *num_of_mtts); 691 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 692 u64 virt_addr, int access_flags, 693 struct ib_udata *udata, int mr_id); 694 int mlx4_ib_dereg_mr(struct ib_mr *mr); 695 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); 696 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 697 struct ib_mw_bind *mw_bind); 698 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 699 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, 700 int max_page_list_len); 701 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, 702 int page_list_len); 703 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); 704 705 int mlx4_ib_modify_cq(struct ib_cq *cq, 706 struct ib_cq_attr *cq_attr, 707 int cq_attr_mask); 708 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 709 int mlx4_ib_ignore_overrun_cq(struct ib_cq *ibcq); 710 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, 711 struct ib_cq_init_attr *attr, 712 struct ib_ucontext *context, 713 struct ib_udata *udata); 714 int mlx4_ib_destroy_cq(struct ib_cq *cq); 715 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 716 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 717 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 718 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 719 720 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); 721 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 722 int mlx4_ib_destroy_ah(struct ib_ah *ah); 723 724 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 725 struct ib_srq_init_attr *init_attr, 726 struct ib_udata *udata); 727 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 728 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 729 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 730 int mlx4_ib_destroy_srq(struct ib_srq *srq); 731 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 732 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 733 struct ib_recv_wr **bad_wr); 734 735 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 736 struct ib_qp_init_attr *init_attr, 737 struct ib_udata *udata); 738 int mlx4_ib_destroy_qp(struct ib_qp *qp); 739 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 740 int attr_mask, struct ib_udata *udata); 741 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 742 struct ib_qp_init_attr *qp_init_attr); 743 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 744 struct ib_send_wr **bad_wr); 745 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 746 struct ib_recv_wr **bad_wr); 747 748 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 749 int port, struct ib_wc *in_wc, struct ib_grh *in_grh, 750 void *in_mad, void *response_mad); 751 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 752 struct ib_wc *in_wc, struct ib_grh *in_grh, 753 struct ib_mad *in_mad, struct ib_mad *out_mad); 754 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 755 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 756 757 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 758 struct ib_fmr_attr *fmr_attr); 759 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 760 u64 iova); 761 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 762 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 763 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 764 struct ib_port_attr *props, int netw_view); 765 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 766 u16 *pkey, int netw_view); 767 768 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 769 union ib_gid *gid, int netw_view); 770 771 int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr, 772 u8 *mac, int *is_mcast, u8 port); 773 774 int mlx4_ib_query_if_stat(struct mlx4_ib_dev *dev, u32 counter_index, 775 union mlx4_counter *counter, u8 clear); 776 777 static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 778 { 779 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 780 781 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 782 return 1; 783 784 return !!(ah->av.ib.g_slid & 0x80); 785 } 786 static inline int mlx4_ib_qp_has_rq(struct ib_qp_init_attr *attr) 787 { 788 if (attr->qp_type == IB_QPT_XRC_INI || attr->qp_type == IB_QPT_XRC_TGT) 789 return 0; 790 791 return !attr->srq; 792 } 793 794 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 795 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 796 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 797 int mlx4_ib_mcg_init(void); 798 void mlx4_ib_mcg_destroy(void); 799 800 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 801 802 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 803 struct ib_sa_mad *sa_mad); 804 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 805 struct ib_sa_mad *mad); 806 807 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 808 union ib_gid *gid); 809 810 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 811 enum ib_event_type type); 812 813 void mlx4_ib_tunnels_update_work(struct work_struct *work); 814 815 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 816 enum ib_qp_type qpt, struct ib_wc *wc, 817 struct ib_grh *grh, struct ib_mad *mad); 818 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 819 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 820 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, struct ib_mad *mad); 821 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 822 823 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 824 struct ib_mad *mad, int is_eth); 825 826 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 827 struct ib_mad *mad); 828 829 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 830 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 831 832 /* alias guid support */ 833 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 834 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 835 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 836 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 837 838 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 839 int block_num, 840 u8 port_num, u8 *p_data); 841 842 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 843 int block_num, u8 port_num, 844 u8 *p_data); 845 846 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 847 struct attribute *attr); 848 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 849 struct attribute *attr); 850 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 851 852 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 853 854 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 855 856 __be64 mlx4_ib_gen_node_guid(void); 857 858 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 859 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 860 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 861 int is_attach); 862 int mlx4_ib_query_device(struct ib_device *ibdev, 863 struct ib_device_attr *props); 864 865 #endif /* MLX4_IB_H */ 866