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 #include <linux/mlx4/qp.h> 50 51 #define MLX4_IB_DRV_NAME "mlx4_ib" 52 53 #ifdef pr_fmt 54 #undef pr_fmt 55 #endif 56 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__ 57 58 #define mlx4_ib_warn(ibdev, format, arg...) \ 59 dev_warn((ibdev)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg) 60 61 enum { 62 MLX4_IB_SQ_MIN_WQE_SHIFT = 6, 63 MLX4_IB_MAX_HEADROOM = 2048 64 }; 65 66 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1) 67 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT)) 68 69 /*module param to indicate if SM assigns the alias_GUID*/ 70 extern int mlx4_ib_sm_guid_assign; 71 72 #define MLX4_IB_UC_STEER_QPN_ALIGN 1 73 #define MLX4_IB_UC_MAX_NUM_QPS 256 74 75 enum hw_bar_type { 76 HW_BAR_BF, 77 HW_BAR_DB, 78 HW_BAR_CLOCK, 79 HW_BAR_COUNT 80 }; 81 82 struct mlx4_ib_vma_private_data { 83 struct vm_area_struct *vma; 84 }; 85 86 struct mlx4_ib_ucontext { 87 struct ib_ucontext ibucontext; 88 struct mlx4_uar uar; 89 struct list_head db_page_list; 90 struct mutex db_page_mutex; 91 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT]; 92 struct list_head wqn_ranges_list; 93 struct mutex wqn_ranges_mutex; /* protect wqn_ranges_list */ 94 }; 95 96 struct mlx4_ib_pd { 97 struct ib_pd ibpd; 98 u32 pdn; 99 }; 100 101 struct mlx4_ib_xrcd { 102 struct ib_xrcd ibxrcd; 103 u32 xrcdn; 104 struct ib_pd *pd; 105 struct ib_cq *cq; 106 }; 107 108 struct mlx4_ib_cq_buf { 109 struct mlx4_buf buf; 110 struct mlx4_mtt mtt; 111 int entry_size; 112 }; 113 114 struct mlx4_ib_cq_resize { 115 struct mlx4_ib_cq_buf buf; 116 int cqe; 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 /* List of qps that it serves.*/ 131 struct list_head send_qp_list; 132 struct list_head recv_qp_list; 133 }; 134 135 #define MLX4_MR_PAGES_ALIGN 0x40 136 137 struct mlx4_ib_mr { 138 struct ib_mr ibmr; 139 __be64 *pages; 140 dma_addr_t page_map; 141 u32 npages; 142 u32 max_pages; 143 struct mlx4_mr mmr; 144 struct ib_umem *umem; 145 size_t page_map_size; 146 }; 147 148 struct mlx4_ib_mw { 149 struct ib_mw ibmw; 150 struct mlx4_mw mmw; 151 }; 152 153 struct mlx4_ib_fmr { 154 struct ib_fmr ibfmr; 155 struct mlx4_fmr mfmr; 156 }; 157 158 #define MAX_REGS_PER_FLOW 2 159 160 struct mlx4_flow_reg_id { 161 u64 id; 162 u64 mirror; 163 }; 164 165 struct mlx4_ib_flow { 166 struct ib_flow ibflow; 167 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 168 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 169 }; 170 171 struct mlx4_ib_wq { 172 u64 *wrid; 173 spinlock_t lock; 174 int wqe_cnt; 175 int max_post; 176 int max_gs; 177 int offset; 178 int wqe_shift; 179 unsigned head; 180 unsigned tail; 181 }; 182 183 enum { 184 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START 185 }; 186 187 enum mlx4_ib_qp_flags { 188 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 189 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 190 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 191 192 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */ 193 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI, 194 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 195 MLX4_IB_SRIOV_SQP = 1 << 31, 196 }; 197 198 struct mlx4_ib_gid_entry { 199 struct list_head list; 200 union ib_gid gid; 201 int added; 202 u8 port; 203 }; 204 205 enum mlx4_ib_qp_type { 206 /* 207 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 208 * here (and in that order) since the MAD layer uses them as 209 * indices into a 2-entry table. 210 */ 211 MLX4_IB_QPT_SMI = IB_QPT_SMI, 212 MLX4_IB_QPT_GSI = IB_QPT_GSI, 213 214 MLX4_IB_QPT_RC = IB_QPT_RC, 215 MLX4_IB_QPT_UC = IB_QPT_UC, 216 MLX4_IB_QPT_UD = IB_QPT_UD, 217 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 218 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 219 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 220 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 221 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 222 223 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 224 MLX4_IB_QPT_PROXY_SMI = 1 << 17, 225 MLX4_IB_QPT_PROXY_GSI = 1 << 18, 226 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 227 MLX4_IB_QPT_TUN_SMI = 1 << 20, 228 MLX4_IB_QPT_TUN_GSI = 1 << 21, 229 }; 230 231 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 232 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 233 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 234 235 enum mlx4_ib_mad_ifc_flags { 236 MLX4_MAD_IFC_IGNORE_MKEY = 1, 237 MLX4_MAD_IFC_IGNORE_BKEY = 2, 238 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 239 MLX4_MAD_IFC_IGNORE_BKEY), 240 MLX4_MAD_IFC_NET_VIEW = 4, 241 }; 242 243 enum { 244 MLX4_NUM_TUNNEL_BUFS = 256, 245 }; 246 247 struct mlx4_ib_tunnel_header { 248 struct mlx4_av av; 249 __be32 remote_qpn; 250 __be32 qkey; 251 __be16 vlan; 252 u8 mac[6]; 253 __be16 pkey_index; 254 u8 reserved[6]; 255 }; 256 257 struct mlx4_ib_buf { 258 void *addr; 259 dma_addr_t map; 260 }; 261 262 struct mlx4_rcv_tunnel_hdr { 263 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 264 * 0x0 - no vlan was in the packet 265 * 0x01 - C-VLAN was in the packet */ 266 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 267 u8 reserved; 268 __be16 pkey_index; 269 __be16 sl_vid; 270 __be16 slid_mac_47_32; 271 __be32 mac_31_0; 272 }; 273 274 struct mlx4_ib_proxy_sqp_hdr { 275 struct ib_grh grh; 276 struct mlx4_rcv_tunnel_hdr tun; 277 } __packed; 278 279 struct mlx4_roce_smac_vlan_info { 280 u64 smac; 281 int smac_index; 282 int smac_port; 283 u64 candidate_smac; 284 int candidate_smac_index; 285 int candidate_smac_port; 286 u16 vid; 287 int vlan_index; 288 int vlan_port; 289 u16 candidate_vid; 290 int candidate_vlan_index; 291 int candidate_vlan_port; 292 int update_vid; 293 }; 294 295 struct mlx4_wqn_range { 296 int base_wqn; 297 int size; 298 int refcount; 299 bool dirty; 300 struct list_head list; 301 }; 302 303 struct mlx4_ib_rss { 304 unsigned int base_qpn_tbl_sz; 305 u8 flags; 306 u8 rss_key[MLX4_EN_RSS_KEY_SIZE]; 307 }; 308 309 struct mlx4_ib_qp { 310 union { 311 struct ib_qp ibqp; 312 struct ib_wq ibwq; 313 }; 314 struct mlx4_qp mqp; 315 struct mlx4_buf buf; 316 317 struct mlx4_db db; 318 struct mlx4_ib_wq rq; 319 320 u32 doorbell_qpn; 321 __be32 sq_signal_bits; 322 unsigned sq_next_wqe; 323 int sq_max_wqes_per_wr; 324 int sq_spare_wqes; 325 struct mlx4_ib_wq sq; 326 327 enum mlx4_ib_qp_type mlx4_ib_qp_type; 328 struct ib_umem *umem; 329 struct mlx4_mtt mtt; 330 int buf_size; 331 struct mutex mutex; 332 u16 xrcdn; 333 u32 flags; 334 u8 port; 335 u8 alt_port; 336 u8 atomic_rd_en; 337 u8 resp_depth; 338 u8 sq_no_prefetch; 339 u8 state; 340 int mlx_type; 341 u32 inl_recv_sz; 342 struct list_head gid_list; 343 struct list_head steering_rules; 344 struct mlx4_ib_buf *sqp_proxy_rcv; 345 struct mlx4_roce_smac_vlan_info pri; 346 struct mlx4_roce_smac_vlan_info alt; 347 u64 reg_id; 348 struct list_head qps_list; 349 struct list_head cq_recv_list; 350 struct list_head cq_send_list; 351 struct counter_index *counter_index; 352 struct mlx4_wqn_range *wqn_range; 353 /* Number of RSS QP parents that uses this WQ */ 354 u32 rss_usecnt; 355 struct mlx4_ib_rss *rss_ctx; 356 }; 357 358 struct mlx4_ib_srq { 359 struct ib_srq ibsrq; 360 struct mlx4_srq msrq; 361 struct mlx4_buf buf; 362 struct mlx4_db db; 363 u64 *wrid; 364 spinlock_t lock; 365 int head; 366 int tail; 367 u16 wqe_ctr; 368 struct ib_umem *umem; 369 struct mlx4_mtt mtt; 370 struct mutex mutex; 371 }; 372 373 struct mlx4_ib_ah { 374 struct ib_ah ibah; 375 union mlx4_ext_av av; 376 }; 377 378 /****************************************/ 379 /* alias guid support */ 380 /****************************************/ 381 #define NUM_PORT_ALIAS_GUID 2 382 #define NUM_ALIAS_GUID_IN_REC 8 383 #define NUM_ALIAS_GUID_REC_IN_PORT 16 384 #define GUID_REC_SIZE 8 385 #define NUM_ALIAS_GUID_PER_PORT 128 386 #define MLX4_NOT_SET_GUID (0x00LL) 387 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 388 389 enum mlx4_guid_alias_rec_status { 390 MLX4_GUID_INFO_STATUS_IDLE, 391 MLX4_GUID_INFO_STATUS_SET, 392 }; 393 394 #define GUID_STATE_NEED_PORT_INIT 0x01 395 396 enum mlx4_guid_alias_rec_method { 397 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 398 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 399 }; 400 401 struct mlx4_sriov_alias_guid_info_rec_det { 402 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 403 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 404 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 405 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 406 u64 time_to_run; 407 }; 408 409 struct mlx4_sriov_alias_guid_port_rec_det { 410 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 411 struct workqueue_struct *wq; 412 struct delayed_work alias_guid_work; 413 u8 port; 414 u32 state_flags; 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 work_struct work; 465 struct workqueue_struct *wq; 466 struct mlx4_ib_demux_pv_qp qp[2]; 467 }; 468 469 struct mlx4_ib_demux_ctx { 470 struct ib_device *ib_dev; 471 int port; 472 struct workqueue_struct *wq; 473 struct workqueue_struct *ud_wq; 474 spinlock_t ud_lock; 475 atomic64_t subnet_prefix; 476 __be64 guid_cache[128]; 477 struct mlx4_ib_dev *dev; 478 /* the following lock protects both mcg_table and mcg_mgid0_list */ 479 struct mutex mcg_table_lock; 480 struct rb_root mcg_table; 481 struct list_head mcg_mgid0_list; 482 struct workqueue_struct *mcg_wq; 483 struct mlx4_ib_demux_pv_ctx **tun; 484 atomic_t tid; 485 int flushing; /* flushing the work queue */ 486 }; 487 488 struct mlx4_ib_sriov { 489 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 490 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 491 /* when using this spinlock you should use "irq" because 492 * it may be called from interrupt context.*/ 493 spinlock_t going_down_lock; 494 int is_going_down; 495 496 struct mlx4_sriov_alias_guid alias_guid; 497 498 /* CM paravirtualization fields */ 499 struct list_head cm_list; 500 spinlock_t id_map_lock; 501 struct rb_root sl_id_map; 502 struct idr pv_id_table; 503 }; 504 505 struct gid_cache_context { 506 int real_index; 507 int refcount; 508 }; 509 510 struct gid_entry { 511 union ib_gid gid; 512 enum ib_gid_type gid_type; 513 struct gid_cache_context *ctx; 514 }; 515 516 struct mlx4_port_gid_table { 517 struct gid_entry gids[MLX4_MAX_PORT_GIDS]; 518 }; 519 520 struct mlx4_ib_iboe { 521 spinlock_t lock; 522 struct net_device *netdevs[MLX4_MAX_PORTS]; 523 atomic64_t mac[MLX4_MAX_PORTS]; 524 struct notifier_block nb; 525 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS]; 526 }; 527 528 struct pkey_mgt { 529 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 530 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 531 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 532 struct kobject *device_parent[MLX4_MFUNC_MAX]; 533 }; 534 535 struct mlx4_ib_iov_sysfs_attr { 536 void *ctx; 537 struct kobject *kobj; 538 unsigned long data; 539 u32 entry_num; 540 char name[15]; 541 struct device_attribute dentry; 542 struct device *dev; 543 }; 544 545 struct mlx4_ib_iov_sysfs_attr_ar { 546 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 547 }; 548 549 struct mlx4_ib_iov_port { 550 char name[100]; 551 u8 num; 552 struct mlx4_ib_dev *dev; 553 struct list_head list; 554 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 555 struct ib_port_attr attr; 556 struct kobject *cur_port; 557 struct kobject *admin_alias_parent; 558 struct kobject *gids_parent; 559 struct kobject *pkeys_parent; 560 struct kobject *mcgs_parent; 561 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 562 }; 563 564 struct counter_index { 565 struct list_head list; 566 u32 index; 567 u8 allocated; 568 }; 569 570 struct mlx4_ib_counters { 571 struct list_head counters_list; 572 struct mutex mutex; /* mutex for accessing counters list */ 573 u32 default_counter; 574 }; 575 576 #define MLX4_DIAG_COUNTERS_TYPES 2 577 578 struct mlx4_ib_diag_counters { 579 const char **name; 580 u32 *offset; 581 u32 num_counters; 582 }; 583 584 struct mlx4_ib_dev { 585 struct ib_device ib_dev; 586 struct mlx4_dev *dev; 587 int num_ports; 588 void __iomem *uar_map; 589 590 struct mlx4_uar priv_uar; 591 u32 priv_pdn; 592 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 593 594 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 595 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 596 spinlock_t sm_lock; 597 atomic64_t sl2vl[MLX4_MAX_PORTS]; 598 struct mlx4_ib_sriov sriov; 599 600 struct mutex cap_mask_mutex; 601 bool ib_active; 602 struct mlx4_ib_iboe iboe; 603 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS]; 604 int *eq_table; 605 struct kobject *iov_parent; 606 struct kobject *ports_parent; 607 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 608 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 609 struct pkey_mgt pkeys; 610 unsigned long *ib_uc_qpns_bitmap; 611 int steer_qpn_count; 612 int steer_qpn_base; 613 int steering_support; 614 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 615 /* lock when destroying qp1_proxy and getting netdev events */ 616 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 617 u8 bond_next_port; 618 /* protect resources needed as part of reset flow */ 619 spinlock_t reset_flow_resource_lock; 620 struct list_head qp_list; 621 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES]; 622 }; 623 624 struct ib_event_work { 625 struct work_struct work; 626 struct mlx4_ib_dev *ib_dev; 627 struct mlx4_eqe ib_eqe; 628 int port; 629 }; 630 631 struct mlx4_ib_qp_tunnel_init_attr { 632 struct ib_qp_init_attr init_attr; 633 int slave; 634 enum ib_qp_type proxy_qp_type; 635 u8 port; 636 }; 637 638 struct mlx4_uverbs_ex_query_device { 639 __u32 comp_mask; 640 __u32 reserved; 641 }; 642 643 enum query_device_resp_mask { 644 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, 645 }; 646 647 struct mlx4_uverbs_ex_query_device_resp { 648 __u32 comp_mask; 649 __u32 response_length; 650 __u64 hca_core_clock_offset; 651 __u32 max_inl_recv_sz; 652 __u32 reserved; 653 }; 654 655 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 656 { 657 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 658 } 659 660 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 661 { 662 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 663 } 664 665 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 666 { 667 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 668 } 669 670 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 671 { 672 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 673 } 674 675 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 676 { 677 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 678 } 679 680 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 681 { 682 return container_of(mcq, struct mlx4_ib_cq, mcq); 683 } 684 685 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 686 { 687 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 688 } 689 690 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 691 { 692 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 693 } 694 695 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 696 { 697 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 698 } 699 700 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 701 { 702 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 703 } 704 705 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 706 { 707 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 708 } 709 710 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 711 { 712 return container_of(mqp, struct mlx4_ib_qp, mqp); 713 } 714 715 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 716 { 717 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 718 } 719 720 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 721 { 722 return container_of(msrq, struct mlx4_ib_srq, msrq); 723 } 724 725 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 726 { 727 return container_of(ibah, struct mlx4_ib_ah, ibah); 728 } 729 730 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 731 { 732 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 733 734 return dev->bond_next_port + 1; 735 } 736 737 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 738 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 739 740 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 741 struct mlx4_db *db); 742 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 743 744 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 745 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 746 struct ib_umem *umem); 747 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 748 u64 virt_addr, int access_flags, 749 struct ib_udata *udata); 750 int mlx4_ib_dereg_mr(struct ib_mr *mr); 751 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, 752 struct ib_udata *udata); 753 int mlx4_ib_dealloc_mw(struct ib_mw *mw); 754 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, 755 enum ib_mr_type mr_type, 756 u32 max_num_sg); 757 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, 758 unsigned int *sg_offset); 759 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 760 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 761 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, 762 const struct ib_cq_init_attr *attr, 763 struct ib_ucontext *context, 764 struct ib_udata *udata); 765 int mlx4_ib_destroy_cq(struct ib_cq *cq); 766 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 767 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 768 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 769 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 770 771 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr, 772 struct ib_udata *udata); 773 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr); 774 int mlx4_ib_destroy_ah(struct ib_ah *ah); 775 776 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, 777 struct ib_srq_init_attr *init_attr, 778 struct ib_udata *udata); 779 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 780 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 781 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 782 int mlx4_ib_destroy_srq(struct ib_srq *srq); 783 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 784 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, 785 struct ib_recv_wr **bad_wr); 786 787 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 788 struct ib_qp_init_attr *init_attr, 789 struct ib_udata *udata); 790 int mlx4_ib_destroy_qp(struct ib_qp *qp); 791 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 792 int attr_mask, struct ib_udata *udata); 793 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 794 struct ib_qp_init_attr *qp_init_attr); 795 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 796 struct ib_send_wr **bad_wr); 797 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, 798 struct ib_recv_wr **bad_wr); 799 800 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 801 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 802 const void *in_mad, void *response_mad); 803 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 804 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 805 const struct ib_mad_hdr *in, size_t in_mad_size, 806 struct ib_mad_hdr *out, size_t *out_mad_size, 807 u16 *out_mad_pkey_index); 808 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 809 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 810 811 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 812 struct ib_fmr_attr *fmr_attr); 813 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 814 u64 iova); 815 int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 816 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 817 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 818 struct ib_port_attr *props, int netw_view); 819 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 820 u16 *pkey, int netw_view); 821 822 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 823 union ib_gid *gid, int netw_view); 824 825 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 826 { 827 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 828 829 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 830 return true; 831 832 return !!(ah->av.ib.g_slid & 0x80); 833 } 834 835 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 836 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 837 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 838 int mlx4_ib_mcg_init(void); 839 void mlx4_ib_mcg_destroy(void); 840 841 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 842 843 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 844 struct ib_sa_mad *sa_mad); 845 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 846 struct ib_sa_mad *mad); 847 848 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 849 union ib_gid *gid); 850 851 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 852 enum ib_event_type type); 853 854 void mlx4_ib_tunnels_update_work(struct work_struct *work); 855 856 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 857 enum ib_qp_type qpt, struct ib_wc *wc, 858 struct ib_grh *grh, struct ib_mad *mad); 859 860 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 861 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 862 u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac, 863 u16 vlan_id, struct ib_mad *mad); 864 865 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 866 867 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 868 struct ib_mad *mad); 869 870 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 871 struct ib_mad *mad); 872 873 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 874 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 875 876 /* alias guid support */ 877 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 878 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 879 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 880 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 881 882 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 883 int block_num, 884 u8 port_num, u8 *p_data); 885 886 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 887 int block_num, u8 port_num, 888 u8 *p_data); 889 890 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 891 struct attribute *attr); 892 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 893 struct attribute *attr); 894 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 895 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 896 int port, int slave_init); 897 898 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 899 900 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 901 902 __be64 mlx4_ib_gen_node_guid(void); 903 904 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 905 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 906 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 907 int is_attach); 908 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 909 u64 start, u64 length, u64 virt_addr, 910 int mr_access_flags, struct ib_pd *pd, 911 struct ib_udata *udata); 912 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, 913 u8 port_num, int index); 914 915 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev, 916 int port); 917 918 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port); 919 920 struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd, 921 struct ib_wq_init_attr *init_attr, 922 struct ib_udata *udata); 923 int mlx4_ib_destroy_wq(struct ib_wq *wq); 924 int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, 925 u32 wq_attr_mask, struct ib_udata *udata); 926 927 struct ib_rwq_ind_table 928 *mlx4_ib_create_rwq_ind_table(struct ib_device *device, 929 struct ib_rwq_ind_table_init_attr *init_attr, 930 struct ib_udata *udata); 931 int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table); 932 933 #endif /* MLX4_IB_H */ 934