14Srgrimes/* 21690Sdg * Copyright (c) 2006, 2007 Cisco Systems. All rights reserved. 31690Sdg * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. 41690Sdg * 54Srgrimes * This software is available to you under a choice of one of two 64Srgrimes * licenses. You may choose to be licensed under the terms of the GNU 74Srgrimes * General Public License (GPL) Version 2, available from the file 84Srgrimes * COPYING in the main directory of this source tree, or the 94Srgrimes * OpenIB.org BSD license below: 104Srgrimes * 114Srgrimes * Redistribution and use in source and binary forms, with or 124Srgrimes * without modification, are permitted provided that the following 134Srgrimes * conditions are met: 144Srgrimes * 154Srgrimes * - Redistributions of source code must retain the above 164Srgrimes * copyright notice, this list of conditions and the following 174Srgrimes * disclaimer. 184Srgrimes * 194Srgrimes * - Redistributions in binary form must reproduce the above 204Srgrimes * copyright notice, this list of conditions and the following 214Srgrimes * disclaimer in the documentation and/or other materials 224Srgrimes * provided with the distribution. 234Srgrimes * 244Srgrimes * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 254Srgrimes * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 264Srgrimes * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 274Srgrimes * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 284Srgrimes * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 294Srgrimes * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 304Srgrimes * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 314Srgrimes * SOFTWARE. 324Srgrimes */ 334Srgrimes 344Srgrimes#ifndef MLX4_IB_H 354Srgrimes#define MLX4_IB_H 364Srgrimes 37608Srgrimes#include <linux/compiler.h> 384Srgrimes#include <linux/list.h> 394Srgrimes#include <linux/mutex.h> 40116182Sobrien#include <linux/idr.h> 41116182Sobrien#include <linux/rbtree.h> 42116182Sobrien#include <linux/notifier.h> 43118240Speter 44104338Srwatson#include <asm/atomic64.h> 4578983Sjhb 4671257Speter#include <rdma/ib_verbs.h> 4778983Sjhb#include <rdma/ib_umem.h> 4813203Swollman#include <rdma/ib_mad.h> 491549Srgrimes#include <rdma/ib_sa.h> 5065557Sjasone 511549Srgrimes#include <dev/mlx4/device.h> 5278983Sjhb#include <dev/mlx4/doorbell.h> 53104338Srwatson 5467365Sjhb#define MLX4_IB_DRV_NAME "mlx4_ib" 5578983Sjhb 5699072Sjulian#ifdef pr_fmt 5731389Sbde#undef pr_fmt 58104964Sjeff#endif 5931389Sbde#define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__ 6078983Sjhb 6112662Sdg#define mlx4_ib_warn(ibdev, format, arg...) \ 62118240Speter dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg) 63118240Speter 64118240Speterenum { 65118240Speter MLX4_IB_SQ_MIN_WQE_SHIFT = 6, 66118240Speter MLX4_IB_MAX_HEADROOM = 2048 671549Srgrimes}; 6831389Sbde 691549Srgrimes#define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1) 7078983Sjhb#define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT)) 7178983Sjhb 7278983Sjhb/*module param to indicate if SM assigns the alias_GUID*/ 7382585Sdillonextern int mlx4_ib_sm_guid_assign; 7482585Sdillonextern struct proc_dir_entry *mlx4_mrs_dir_entry; 7578983Sjhb 7671527Sjhb#define MLX4_IB_UC_STEER_QPN_ALIGN 1 7783366Sjulian#define MLX4_IB_UC_MAX_NUM_QPS 256 7883366Sjulian 791690Sdgenum hw_bar_type { 8081493Sjhb HW_BAR_BF, 811690Sdg HW_BAR_DB, 8283366Sjulian HW_BAR_CLOCK, 83757Sdg HW_BAR_COUNT 8499072Sjulian}; 8599072Sjulian 86126661Srwatsonstruct mlx4_ib_ucontext { 87110190Sjulian struct ib_ucontext ibucontext; 8878636Sjhb struct mlx4_uar uar; 8993793Sbde struct list_head db_page_list; 90112888Sjeff struct mutex db_page_mutex; 91111032Sjulian}; 92102266Srwatson 9393793Sbdestruct mlx4_ib_pd { 9482585Sdillon struct ib_pd ibpd; 9593793Sbde u32 pdn; 9628013Sdyson}; 9793793Sbde 98104964Sjeffstruct mlx4_ib_xrcd { 9993793Sbde struct ib_xrcd ibxrcd; 100104964Sjeff u32 xrcdn; 10171527Sjhb struct ib_pd *pd; 1026296Sdg struct ib_cq *cq; 103105974Sjulian}; 104105974Sjulian 105105974Sjulianstruct mlx4_ib_cq_buf { 106105974Sjulian struct mlx4_buf buf; 10799072Sjulian struct mlx4_mtt mtt; 108105974Sjulian int entry_size; 109105974Sjulian}; 110105974Sjulian 111105974Sjulianstruct mlx4_ib_cq_resize { 112105974Sjulian struct mlx4_ib_cq_buf buf; 113105974Sjulian int cqe; 114105974Sjulian}; 115105974Sjulian 116105974Sjulianstruct mlx4_ib_cq { 117126932Speter struct ib_cq ibcq; 118103838Sjulian struct mlx4_cq mcq; 119110190Sjulian struct mlx4_ib_cq_buf buf; 120110190Sjulian struct mlx4_ib_cq_resize *resize_buf; 121110190Sjulian struct mlx4_db db; 122110190Sjulian spinlock_t lock; 123113874Sjhb struct mutex resize_mutex; 124110190Sjulian struct ib_umem *umem; 125110190Sjulian struct ib_umem *resize_umem; 126110190Sjulian int create_flags; 127111024Sjeff /* List of qps that it serves.*/ 128110190Sjulian struct list_head send_qp_list; 129111032Sjulian struct list_head recv_qp_list; 130110190Sjulian}; 1311690Sdg 1321690Sdg#define MLX4_MR_PAGES_ALIGN 0x40 1334Srgrimes 13478983Sjhbstruct mlx4_ib_mr { 13578983Sjhb struct ib_mr ibmr; 13681493Sjhb __be64 *pages; 1374Srgrimes dma_addr_t page_map; 138798Swollman u32 npages; 13999072Sjulian u32 max_pages; 14065557Sjasone struct mlx4_mr mmr; 141104297Sjhb struct ib_umem *umem; 142104297Sjhb size_t page_map_size; 143104297Sjhb}; 144125454Sjhb 145131437Sjhbstruct mlx4_ib_mw { 14681493Sjhb struct ib_mw ibmw; 14783366Sjulian struct mlx4_mw mmw; 14893793Sbde}; 14977015Sbde 15077015Sbdestruct mlx4_ib_fmr { 15177015Sbde struct ib_fmr ibfmr; 15265557Sjasone struct mlx4_fmr mfmr; 153104297Sjhb}; 154104297Sjhb 155104378Sjmallett#define MAX_REGS_PER_FLOW 2 156104378Sjmallett 15799072Sjulianstruct mlx4_flow_reg_id { 15899072Sjulian u64 id; 15972911Sjhb u64 mirror; 160111883Sjhb}; 16181493Sjhb 16293793Sbdestruct mlx4_ib_flow { 16393390Sjake struct ib_flow ibflow; 164104297Sjhb /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */ 16593390Sjake struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW]; 16693390Sjake}; 16793390Sjake 16893390Sjakestruct mlx4_ib_wq { 16993390Sjake u64 *wrid; 17093390Sjake spinlock_t lock; 17193390Sjake int wqe_cnt; 17293390Sjake int max_post; 173111024Sjeff int max_gs; 174111032Sjulian int offset; 17593390Sjake int wqe_shift; 176112888Sjeff unsigned head; 177106655Srwatson unsigned tail; 178106655Srwatson}; 179106655Srwatson 180112888Sjeffenum { 181132266Sjhb MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START 18293390Sjake}; 18393390Sjake 18499072Sjulianenum mlx4_ib_qp_flags { 18599072Sjulian MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO, 18699072Sjulian MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK, 18799072Sjulian MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP, 18899072Sjulian MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO, 18999072Sjulian 19099072Sjulian /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */ 19191090Sjulian MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI, 19293390Sjake MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30, 19393390Sjake MLX4_IB_SRIOV_SQP = 1U << 31, 194132266Sjhb}; 195132266Sjhb 196132266Sjhbstruct mlx4_ib_gid_entry { 197132266Sjhb struct list_head list; 198131437Sjhb union ib_gid gid; 19993390Sjake int added; 20093390Sjake u8 port; 20193390Sjake}; 20293390Sjake 20393390Sjakeenum mlx4_ib_qp_type { 20477015Sbde /* 20593390Sjake * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries 20693390Sjake * here (and in that order) since the MAD layer uses them as 20793390Sjake * indices into a 2-entry table. 20893390Sjake */ 20993390Sjake MLX4_IB_QPT_SMI = IB_QPT_SMI, 210112883Sjeff MLX4_IB_QPT_GSI = IB_QPT_GSI, 21177015Sbde 21293390Sjake MLX4_IB_QPT_RC = IB_QPT_RC, 21377015Sbde MLX4_IB_QPT_UC = IB_QPT_UC, 21493390Sjake MLX4_IB_QPT_UD = IB_QPT_UD, 21593390Sjake MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6, 21693390Sjake MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE, 21793390Sjake MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET, 21893390Sjake MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI, 219104240Sjhb MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT, 220104240Sjhb 221125454Sjhb MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16, 222113636Sjhb MLX4_IB_QPT_PROXY_SMI = 1 << 17, 223125454Sjhb MLX4_IB_QPT_PROXY_GSI = 1 << 18, 224113636Sjhb MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19, 225104240Sjhb MLX4_IB_QPT_TUN_SMI = 1 << 20, 226113636Sjhb MLX4_IB_QPT_TUN_GSI = 1 << 21, 227125454Sjhb}; 228104719Sjhb 229104719Sjhb#define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \ 230113636Sjhb MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \ 231104240Sjhb MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI) 232104240Sjhb 233104240Sjhbenum mlx4_ib_mad_ifc_flags { 234106655Srwatson MLX4_MAD_IFC_IGNORE_MKEY = 1, 235106655Srwatson MLX4_MAD_IFC_IGNORE_BKEY = 2, 236106655Srwatson MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY | 237106655Srwatson MLX4_MAD_IFC_IGNORE_BKEY), 238111032Sjulian MLX4_MAD_IFC_NET_VIEW = 4, 239118240Speter}; 240118240Speter 241119781Speterenum { 242118240Speter MLX4_NUM_TUNNEL_BUFS = 256, 24393793Sbde}; 244104964Sjeff 245131473Sjhbstruct mlx4_ib_tunnel_header { 24693793Sbde struct mlx4_av av; 247118240Speter __be32 remote_qpn; 248118240Speter __be32 qkey; 249119781Speter __be16 vlan; 250118240Speter u8 mac[6]; 25193793Sbde __be16 pkey_index; 252112888Sjeff u8 reserved[6]; 25393793Sbde}; 254114983Sjhb 255116963Sdavidxustruct mlx4_ib_buf { 25693793Sbde void *addr; 257114983Sjhb dma_addr_t map; 25893793Sbde}; 25993793Sbde 26065557Sjasonestruct mlx4_rcv_tunnel_hdr { 26193390Sjake __be32 flags_src_qp; /* flags[6:5] is defined for VLANs: 26299753Smini * 0x0 - no vlan was in the packet 26399753Smini * 0x01 - C-VLAN was in the packet */ 26499753Smini u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */ 26581493Sjhb u8 reserved; 26624691Speter __be16 pkey_index; 267 __be16 sl_vid; 268 __be16 slid_mac_47_32; 269 __be32 mac_31_0; 270}; 271 272struct mlx4_ib_proxy_sqp_hdr { 273 struct ib_grh grh; 274 struct mlx4_rcv_tunnel_hdr tun; 275} __packed; 276 277struct mlx4_roce_smac_vlan_info { 278 u64 smac; 279 int smac_index; 280 int smac_port; 281 u64 candidate_smac; 282 int candidate_smac_index; 283 int candidate_smac_port; 284 u16 vid; 285 int vlan_index; 286 int vlan_port; 287 u16 candidate_vid; 288 int candidate_vlan_index; 289 int candidate_vlan_port; 290 int update_vid; 291}; 292 293struct mlx4_ib_qp { 294 struct ib_qp ibqp; 295 struct mlx4_qp mqp; 296 struct mlx4_buf buf; 297 298 struct mlx4_db db; 299 struct mlx4_ib_wq rq; 300 301 u32 doorbell_qpn; 302 __be32 sq_signal_bits; 303 unsigned sq_next_wqe; 304 int sq_max_wqes_per_wr; 305 int sq_spare_wqes; 306 struct mlx4_ib_wq sq; 307 308 enum mlx4_ib_qp_type mlx4_ib_qp_type; 309 struct ib_umem *umem; 310 struct mlx4_mtt mtt; 311 int buf_size; 312 struct mutex mutex; 313 u16 xrcdn; 314 u32 flags; 315 u8 port; 316 u8 alt_port; 317 u8 atomic_rd_en; 318 u8 resp_depth; 319 u8 sq_no_prefetch; 320 u8 state; 321 int mlx_type; 322 struct list_head gid_list; 323 struct list_head steering_rules; 324 struct mlx4_ib_buf *sqp_proxy_rcv; 325 struct mlx4_roce_smac_vlan_info pri; 326 struct mlx4_roce_smac_vlan_info alt; 327 u64 reg_id; 328 struct list_head qps_list; 329 struct list_head cq_recv_list; 330 struct list_head cq_send_list; 331 struct counter_index *counter_index; 332}; 333 334struct mlx4_ib_srq { 335 struct ib_srq ibsrq; 336 struct mlx4_srq msrq; 337 struct mlx4_buf buf; 338 struct mlx4_db db; 339 u64 *wrid; 340 spinlock_t lock; 341 int head; 342 int tail; 343 u16 wqe_ctr; 344 struct ib_umem *umem; 345 struct mlx4_mtt mtt; 346 struct mutex mutex; 347}; 348 349struct mlx4_ib_ah { 350 struct ib_ah ibah; 351 union mlx4_ext_av av; 352}; 353 354/****************************************/ 355/* alias guid support */ 356/****************************************/ 357#define NUM_PORT_ALIAS_GUID 2 358#define NUM_ALIAS_GUID_IN_REC 8 359#define NUM_ALIAS_GUID_REC_IN_PORT 16 360#define GUID_REC_SIZE 8 361#define NUM_ALIAS_GUID_PER_PORT 128 362#define MLX4_NOT_SET_GUID (0x00LL) 363#define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL)) 364 365enum mlx4_guid_alias_rec_status { 366 MLX4_GUID_INFO_STATUS_IDLE, 367 MLX4_GUID_INFO_STATUS_SET, 368}; 369 370#define GUID_STATE_NEED_PORT_INIT 0x01 371 372enum mlx4_guid_alias_rec_method { 373 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET, 374 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE, 375}; 376 377struct mlx4_sriov_alias_guid_info_rec_det { 378 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC]; 379 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/ 380 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/ 381 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC]; 382 u64 time_to_run; 383}; 384 385struct mlx4_sriov_alias_guid_port_rec_det { 386 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT]; 387 struct workqueue_struct *wq; 388 struct delayed_work alias_guid_work; 389 u8 port; 390 u32 state_flags; 391 struct mlx4_sriov_alias_guid *parent; 392 struct list_head cb_list; 393}; 394 395struct mlx4_sriov_alias_guid { 396 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS]; 397 spinlock_t ag_work_lock; 398 struct ib_sa_client *sa_client; 399}; 400 401struct mlx4_ib_demux_work { 402 struct work_struct work; 403 struct mlx4_ib_dev *dev; 404 int slave; 405 int do_init; 406 u8 port; 407 408}; 409 410struct mlx4_ib_tun_tx_buf { 411 struct mlx4_ib_buf buf; 412 struct ib_ah *ah; 413}; 414 415struct mlx4_ib_demux_pv_qp { 416 struct ib_qp *qp; 417 enum ib_qp_type proxy_qpt; 418 struct mlx4_ib_buf *ring; 419 struct mlx4_ib_tun_tx_buf *tx_ring; 420 spinlock_t tx_lock; 421 unsigned tx_ix_head; 422 unsigned tx_ix_tail; 423}; 424 425enum mlx4_ib_demux_pv_state { 426 DEMUX_PV_STATE_DOWN, 427 DEMUX_PV_STATE_STARTING, 428 DEMUX_PV_STATE_ACTIVE, 429 DEMUX_PV_STATE_DOWNING, 430}; 431 432struct mlx4_ib_demux_pv_ctx { 433 int port; 434 int slave; 435 enum mlx4_ib_demux_pv_state state; 436 int has_smi; 437 struct ib_device *ib_dev; 438 struct ib_cq *cq; 439 struct ib_pd *pd; 440 struct work_struct work; 441 struct workqueue_struct *wq; 442 struct mlx4_ib_demux_pv_qp qp[2]; 443}; 444 445struct mlx4_ib_demux_ctx { 446 struct ib_device *ib_dev; 447 int port; 448 struct workqueue_struct *wq; 449 struct workqueue_struct *ud_wq; 450 spinlock_t ud_lock; 451 atomic64_t subnet_prefix; 452 __be64 guid_cache[128]; 453 struct mlx4_ib_dev *dev; 454 /* the following lock protects both mcg_table and mcg_mgid0_list */ 455 struct mutex mcg_table_lock; 456 struct rb_root mcg_table; 457 struct list_head mcg_mgid0_list; 458 struct workqueue_struct *mcg_wq; 459 struct mlx4_ib_demux_pv_ctx **tun; 460 atomic_t tid; 461 int flushing; /* flushing the work queue */ 462}; 463 464struct mlx4_ib_sriov { 465 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS]; 466 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS]; 467 /* when using this spinlock you should use "irq" because 468 * it may be called from interrupt context.*/ 469 spinlock_t going_down_lock; 470 int is_going_down; 471 472 struct mlx4_sriov_alias_guid alias_guid; 473 474 /* CM paravirtualization fields */ 475 struct list_head cm_list; 476 spinlock_t id_map_lock; 477 struct rb_root sl_id_map; 478 struct idr pv_id_table; 479}; 480 481struct gid_cache_context { 482 int real_index; 483 int refcount; 484}; 485 486struct gid_entry { 487 union ib_gid gid; 488 enum ib_gid_type gid_type; 489 struct gid_cache_context *ctx; 490}; 491 492struct mlx4_port_gid_table { 493 struct gid_entry gids[MLX4_MAX_PORT_GIDS]; 494}; 495 496struct mlx4_ib_iboe { 497 spinlock_t lock; 498 if_t netdevs[MLX4_MAX_PORTS]; 499 atomic64_t mac[MLX4_MAX_PORTS]; 500 struct notifier_block nb; 501 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS]; 502}; 503 504struct pkey_mgt { 505 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 506 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS]; 507 struct list_head pkey_port_list[MLX4_MFUNC_MAX]; 508 struct kobject *device_parent[MLX4_MFUNC_MAX]; 509}; 510 511struct mlx4_ib_iov_sysfs_attr { 512 void *ctx; 513 struct kobject *kobj; 514 unsigned long data; 515 u32 entry_num; 516 char name[15]; 517 struct device_attribute dentry; 518 struct device *dev; 519}; 520 521struct mlx4_ib_iov_sysfs_attr_ar { 522 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1]; 523}; 524 525struct mlx4_ib_iov_port { 526 char name[100]; 527 u8 num; 528 struct mlx4_ib_dev *dev; 529 struct list_head list; 530 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar; 531 struct ib_port_attr attr; 532 struct kobject *cur_port; 533 struct kobject *admin_alias_parent; 534 struct kobject *gids_parent; 535 struct kobject *pkeys_parent; 536 struct kobject *mcgs_parent; 537 struct mlx4_ib_iov_sysfs_attr mcg_dentry; 538}; 539 540struct counter_index { 541 struct list_head list; 542 u32 index; 543 u8 allocated; 544}; 545 546struct mlx4_ib_counters { 547 struct list_head counters_list; 548 struct mutex mutex; /* mutex for accessing counters list */ 549 u32 default_counter; 550}; 551 552#define MLX4_DIAG_COUNTERS_TYPES 2 553 554struct mlx4_ib_diag_counters { 555 const char **name; 556 u32 *offset; 557 u32 num_counters; 558}; 559 560struct mlx4_ib_dev { 561 struct ib_device ib_dev; 562 struct mlx4_dev *dev; 563 int num_ports; 564 void __iomem *uar_map; 565 566 struct mlx4_uar priv_uar; 567 u32 priv_pdn; 568 MLX4_DECLARE_DOORBELL_LOCK(uar_lock); 569 570 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; 571 struct ib_ah *sm_ah[MLX4_MAX_PORTS]; 572 spinlock_t sm_lock; 573 atomic64_t sl2vl[MLX4_MAX_PORTS]; 574 struct mlx4_ib_sriov sriov; 575 576 struct mutex cap_mask_mutex; 577 bool ib_active; 578 struct mlx4_ib_iboe iboe; 579 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS]; 580 int *eq_table; 581 struct kobject *iov_parent; 582 struct kobject *ports_parent; 583 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX]; 584 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS]; 585 struct pkey_mgt pkeys; 586 unsigned long *ib_uc_qpns_bitmap; 587 int steer_qpn_count; 588 int steer_qpn_base; 589 int steering_support; 590 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; 591 /* lock when destroying qp1_proxy and getting netdev events */ 592 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; 593 u8 bond_next_port; 594 /* protect resources needed as part of reset flow */ 595 spinlock_t reset_flow_resource_lock; 596 struct list_head qp_list; 597 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES]; 598}; 599 600struct ib_event_work { 601 struct work_struct work; 602 struct mlx4_ib_dev *ib_dev; 603 struct mlx4_eqe ib_eqe; 604 int port; 605}; 606 607struct mlx4_ib_qp_tunnel_init_attr { 608 struct ib_qp_init_attr init_attr; 609 int slave; 610 enum ib_qp_type proxy_qp_type; 611 u8 port; 612}; 613 614struct mlx4_uverbs_ex_query_device { 615 __u32 comp_mask; 616 __u32 reserved; 617}; 618 619enum query_device_resp_mask { 620 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0, 621}; 622 623struct mlx4_uverbs_ex_query_device_resp { 624 __u32 comp_mask; 625 __u32 response_length; 626 __u64 hca_core_clock_offset; 627}; 628 629static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) 630{ 631 return container_of(ibdev, struct mlx4_ib_dev, ib_dev); 632} 633 634static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) 635{ 636 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); 637} 638 639static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) 640{ 641 return container_of(ibpd, struct mlx4_ib_pd, ibpd); 642} 643 644static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) 645{ 646 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); 647} 648 649static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) 650{ 651 return container_of(ibcq, struct mlx4_ib_cq, ibcq); 652} 653 654static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) 655{ 656 return container_of(mcq, struct mlx4_ib_cq, mcq); 657} 658 659static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) 660{ 661 return container_of(ibmr, struct mlx4_ib_mr, ibmr); 662} 663 664static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw) 665{ 666 return container_of(ibmw, struct mlx4_ib_mw, ibmw); 667} 668 669static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) 670{ 671 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); 672} 673 674static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow) 675{ 676 return container_of(ibflow, struct mlx4_ib_flow, ibflow); 677} 678 679static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) 680{ 681 return container_of(ibqp, struct mlx4_ib_qp, ibqp); 682} 683 684static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) 685{ 686 return container_of(mqp, struct mlx4_ib_qp, mqp); 687} 688 689static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) 690{ 691 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); 692} 693 694static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) 695{ 696 return container_of(msrq, struct mlx4_ib_srq, msrq); 697} 698 699static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) 700{ 701 return container_of(ibah, struct mlx4_ib_ah, ibah); 702} 703 704static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) 705{ 706 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; 707 708 return dev->bond_next_port + 1; 709} 710 711int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); 712void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); 713 714int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, 715 struct mlx4_db *db); 716void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); 717 718struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); 719int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, 720 struct ib_umem *umem); 721struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, 722 u64 virt_addr, int access_flags, 723 struct ib_udata *udata); 724int mlx4_ib_dereg_mr(struct ib_mr *mr, struct ib_udata *udata); 725struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, 726 struct ib_udata *udata); 727int mlx4_ib_dealloc_mw(struct ib_mw *mw); 728struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, 729 u32 max_num_sg, struct ib_udata *udata); 730int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, 731 unsigned int *sg_offset); 732int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); 733int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); 734int mlx4_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, 735 struct ib_udata *udata); 736void mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata); 737int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 738int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); 739void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 740void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); 741 742int mlx4_ib_create_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr, u32 flags, 743 struct ib_udata *udata); 744int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct ib_ah_attr *ah_attr, 745 int slave_sgid_index, u8 *s_mac, u16 vlan_tag); 746int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); 747void mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags); 748 749int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr, 750 struct ib_udata *udata); 751int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, 752 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); 753int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); 754void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); 755void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); 756int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, 757 const struct ib_recv_wr **bad_wr); 758 759struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, 760 struct ib_qp_init_attr *init_attr, 761 struct ib_udata *udata); 762int mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata); 763int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 764 int attr_mask, struct ib_udata *udata); 765int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, 766 struct ib_qp_init_attr *qp_init_attr); 767int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, 768 const struct ib_send_wr **bad_wr); 769int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, 770 const struct ib_recv_wr **bad_wr); 771 772int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, 773 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, 774 const void *in_mad, void *response_mad); 775int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 776 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 777 const struct ib_mad_hdr *in, size_t in_mad_size, 778 struct ib_mad_hdr *out, size_t *out_mad_size, 779 u16 *out_mad_pkey_index); 780int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); 781void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); 782 783struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, 784 struct ib_fmr_attr *fmr_attr); 785int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, 786 u64 iova); 787int mlx4_ib_unmap_fmr(struct list_head *fmr_list); 788int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); 789int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, 790 struct ib_port_attr *props, int netw_view); 791int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 792 u16 *pkey, int netw_view); 793 794int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 795 union ib_gid *gid, int netw_view); 796 797static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) 798{ 799 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; 800 801 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) 802 return true; 803 804 return !!(ah->av.ib.g_slid & 0x80); 805} 806 807int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx); 808void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq); 809void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave); 810int mlx4_ib_mcg_init(void); 811void mlx4_ib_mcg_destroy(void); 812 813int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid); 814 815int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave, 816 struct ib_sa_mad *sa_mad); 817int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave, 818 struct ib_sa_mad *mad); 819 820int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 821 union ib_gid *gid); 822 823void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num, 824 enum ib_event_type type); 825 826void mlx4_ib_tunnels_update_work(struct work_struct *work); 827 828int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 829 enum ib_qp_type qpt, struct ib_wc *wc, 830 struct ib_grh *grh, struct ib_mad *mad); 831 832int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port, 833 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, 834 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac, 835 u16 vlan_id, struct ib_mad *mad); 836 837__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx); 838 839int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, 840 struct ib_mad *mad); 841 842int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id, 843 struct ib_mad *mad); 844 845void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev); 846void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id); 847 848/* alias guid support */ 849void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port); 850int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev); 851void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev); 852void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port); 853 854void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev, 855 int block_num, 856 u8 port_num, u8 *p_data); 857 858void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev, 859 int block_num, u8 port_num, 860 u8 *p_data); 861 862int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 863 struct attribute *attr); 864void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num, 865 struct attribute *attr); 866ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index); 867void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave, 868 int port, int slave_init); 869 870int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ; 871 872void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device); 873 874__be64 mlx4_ib_gen_node_guid(void); 875 876int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn); 877void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count); 878int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, 879 int is_attach); 880int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, 881 u64 start, u64 length, u64 virt_addr, 882 int mr_access_flags, struct ib_pd *pd, 883 struct ib_udata *udata); 884int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev, 885 u8 port_num, int index); 886 887void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev, 888 int port); 889 890void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port); 891 892#endif /* MLX4_IB_H */ 893