drivers/infiniband/hw/mlx4/mlx4_ib.h

   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 #include <linux/mlx4/cq.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)->dev.parent, MLX4_IB_DRV_NAME ": " format, ## arg)
  61
  62 enum {
  63         MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
  64         MLX4_IB_MAX_HEADROOM     = 2048
  65 };
  66
  67 #define MLX4_IB_SQ_HEADROOM(shift)      ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
  68 #define MLX4_IB_SQ_MAX_SPARE            (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
  69
  70 /*module param to indicate if SM assigns the alias_GUID*/
  71 extern int mlx4_ib_sm_guid_assign;
  72
  73 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
  74 #define MLX4_IB_UC_MAX_NUM_QPS     256
  75
  76 enum hw_bar_type {
  77         HW_BAR_BF,
  78         HW_BAR_DB,
  79         HW_BAR_CLOCK,
  80         HW_BAR_COUNT
  81 };
  82
  83 struct mlx4_ib_ucontext {
  84         struct ib_ucontext      ibucontext;
  85         struct mlx4_uar         uar;
  86         struct list_head        db_page_list;
  87         struct mutex            db_page_mutex;
  88         struct list_head        wqn_ranges_list;
  89         struct mutex            wqn_ranges_mutex; /* protect wqn_ranges_list */
  90 };
  91
  92 struct mlx4_ib_pd {
  93         struct ib_pd            ibpd;
  94         u32                     pdn;
  95 };
  96
  97 struct mlx4_ib_xrcd {
  98         struct ib_xrcd          ibxrcd;
  99         u32                     xrcdn;
 100         struct ib_pd           *pd;
 101         struct ib_cq           *cq;
 102 };
 103
 104 struct mlx4_ib_cq_buf {
 105         struct mlx4_buf         buf;
 106         struct mlx4_mtt         mtt;
 107         int                     entry_size;
 108 };
 109
 110 struct mlx4_ib_cq_resize {
 111         struct mlx4_ib_cq_buf   buf;
 112         int                     cqe;
 113 };
 114
 115 struct mlx4_ib_cq {
 116         struct ib_cq            ibcq;
 117         struct mlx4_cq          mcq;
 118         struct mlx4_ib_cq_buf   buf;
 119         struct mlx4_ib_cq_resize *resize_buf;
 120         struct mlx4_db          db;
 121         spinlock_t              lock;
 122         struct mutex            resize_mutex;
 123         struct ib_umem         *umem;
 124         struct ib_umem         *resize_umem;
 125         int                     create_flags;
 126         /* List of qps that it serves.*/
 127         struct list_head                send_qp_list;
 128         struct list_head                recv_qp_list;
 129 };
 130
 131 #define MLX4_MR_PAGES_ALIGN 0x40
 132
 133 struct mlx4_ib_mr {
 134         struct ib_mr            ibmr;
 135         __be64                  *pages;
 136         dma_addr_t              page_map;
 137         u32                     npages;
 138         u32                     max_pages;
 139         struct mlx4_mr          mmr;
 140         struct ib_umem         *umem;
 141         size_t                  page_map_size;
 142 };
 143
 144 struct mlx4_ib_mw {
 145         struct ib_mw            ibmw;
 146         struct mlx4_mw          mmw;
 147 };
 148
 149 struct mlx4_ib_fmr {
 150         struct ib_fmr           ibfmr;
 151         struct mlx4_fmr         mfmr;
 152 };
 153
 154 #define MAX_REGS_PER_FLOW 2
 155
 156 struct mlx4_flow_reg_id {
 157         u64 id;
 158         u64 mirror;
 159 };
 160
 161 struct mlx4_ib_flow {
 162         struct ib_flow ibflow;
 163         /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
 164         struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
 165 };
 166
 167 struct mlx4_ib_wq {
 168         u64                    *wrid;
 169         spinlock_t              lock;
 170         int                     wqe_cnt;
 171         int                     max_post;
 172         int                     max_gs;
 173         int                     offset;
 174         int                     wqe_shift;
 175         unsigned                head;
 176         unsigned                tail;
 177 };
 178
 179 enum {
 180         MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
 181 };
 182
 183 enum mlx4_ib_qp_flags {
 184         MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
 185         MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
 186         MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
 187         MLX4_IB_QP_SCATTER_FCS = IB_QP_CREATE_SCATTER_FCS,
 188
 189         /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
 190         MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
 191         MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
 192         MLX4_IB_SRIOV_SQP = 1 << 31,
 193 };
 194
 195 struct mlx4_ib_gid_entry {
 196         struct list_head        list;
 197         union ib_gid            gid;
 198         int                     added;
 199         u8                      port;
 200 };
 201
 202 enum mlx4_ib_qp_type {
 203         /*
 204          * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
 205          * here (and in that order) since the MAD layer uses them as
 206          * indices into a 2-entry table.
 207          */
 208         MLX4_IB_QPT_SMI = IB_QPT_SMI,
 209         MLX4_IB_QPT_GSI = IB_QPT_GSI,
 210
 211         MLX4_IB_QPT_RC = IB_QPT_RC,
 212         MLX4_IB_QPT_UC = IB_QPT_UC,
 213         MLX4_IB_QPT_UD = IB_QPT_UD,
 214         MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
 215         MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
 216         MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
 217         MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
 218         MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
 219
 220         MLX4_IB_QPT_PROXY_SMI_OWNER     = 1 << 16,
 221         MLX4_IB_QPT_PROXY_SMI           = 1 << 17,
 222         MLX4_IB_QPT_PROXY_GSI           = 1 << 18,
 223         MLX4_IB_QPT_TUN_SMI_OWNER       = 1 << 19,
 224         MLX4_IB_QPT_TUN_SMI             = 1 << 20,
 225         MLX4_IB_QPT_TUN_GSI             = 1 << 21,
 226 };
 227
 228 #define MLX4_IB_QPT_ANY_SRIOV   (MLX4_IB_QPT_PROXY_SMI_OWNER | \
 229         MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
 230         MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
 231
 232 enum mlx4_ib_mad_ifc_flags {
 233         MLX4_MAD_IFC_IGNORE_MKEY        = 1,
 234         MLX4_MAD_IFC_IGNORE_BKEY        = 2,
 235         MLX4_MAD_IFC_IGNORE_KEYS        = (MLX4_MAD_IFC_IGNORE_MKEY |
 236                                            MLX4_MAD_IFC_IGNORE_BKEY),
 237         MLX4_MAD_IFC_NET_VIEW           = 4,
 238 };
 239
 240 enum {
 241         MLX4_NUM_TUNNEL_BUFS            = 256,
 242 };
 243
 244 struct mlx4_ib_tunnel_header {
 245         struct mlx4_av av;
 246         __be32 remote_qpn;
 247         __be32 qkey;
 248         __be16 vlan;
 249         u8 mac[6];
 250         __be16 pkey_index;
 251         u8 reserved[6];
 252 };
 253
 254 struct mlx4_ib_buf {
 255         void *addr;
 256         dma_addr_t map;
 257 };
 258
 259 struct mlx4_rcv_tunnel_hdr {
 260         __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
 261                               * 0x0 - no vlan was in the packet
 262                               * 0x01 - C-VLAN was in the packet */
 263         u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
 264         u8 reserved;
 265         __be16 pkey_index;
 266         __be16 sl_vid;
 267         __be16 slid_mac_47_32;
 268         __be32 mac_31_0;
 269 };
 270
 271 struct mlx4_ib_proxy_sqp_hdr {
 272         struct ib_grh grh;
 273         struct mlx4_rcv_tunnel_hdr tun;
 274 }  __packed;
 275
 276 struct mlx4_roce_smac_vlan_info {
 277         u64 smac;
 278         int smac_index;
 279         int smac_port;
 280         u64 candidate_smac;
 281         int candidate_smac_index;
 282         int candidate_smac_port;
 283         u16 vid;
 284         int vlan_index;
 285         int vlan_port;
 286         u16 candidate_vid;
 287         int candidate_vlan_index;
 288         int candidate_vlan_port;
 289         int update_vid;
 290 };
 291
 292 struct mlx4_wqn_range {
 293         int                     base_wqn;
 294         int                     size;
 295         int                     refcount;
 296         bool                    dirty;
 297         struct list_head        list;
 298 };
 299
 300 struct mlx4_ib_rss {
 301         unsigned int            base_qpn_tbl_sz;
 302         u8                      flags;
 303         u8                      rss_key[MLX4_EN_RSS_KEY_SIZE];
 304 };
 305
 306 struct mlx4_ib_qp {
 307         union {
 308                 struct ib_qp    ibqp;
 309                 struct ib_wq    ibwq;
 310         };
 311         struct mlx4_qp          mqp;
 312         struct mlx4_buf         buf;
 313
 314         struct mlx4_db          db;
 315         struct mlx4_ib_wq       rq;
 316
 317         u32                     doorbell_qpn;
 318         __be32                  sq_signal_bits;
 319         unsigned                sq_next_wqe;
 320         int                     sq_spare_wqes;
 321         struct mlx4_ib_wq       sq;
 322
 323         enum mlx4_ib_qp_type    mlx4_ib_qp_type;
 324         struct ib_umem         *umem;
 325         struct mlx4_mtt         mtt;
 326         int                     buf_size;
 327         struct mutex            mutex;
 328         u16                     xrcdn;
 329         u32                     flags;
 330         u8                      port;
 331         u8                      alt_port;
 332         u8                      atomic_rd_en;
 333         u8                      resp_depth;
 334         u8                      sq_no_prefetch;
 335         u8                      state;
 336         int                     mlx_type;
 337         u32                     inl_recv_sz;
 338         struct list_head        gid_list;
 339         struct list_head        steering_rules;
 340         struct mlx4_ib_buf      *sqp_proxy_rcv;
 341         struct mlx4_roce_smac_vlan_info pri;
 342         struct mlx4_roce_smac_vlan_info alt;
 343         u64                     reg_id;
 344         struct list_head        qps_list;
 345         struct list_head        cq_recv_list;
 346         struct list_head        cq_send_list;
 347         struct counter_index    *counter_index;
 348         struct mlx4_wqn_range   *wqn_range;
 349         /* Number of RSS QP parents that uses this WQ */
 350         u32                     rss_usecnt;
 351         struct mlx4_ib_rss      *rss_ctx;
 352 };
 353
 354 struct mlx4_ib_srq {
 355         struct ib_srq           ibsrq;
 356         struct mlx4_srq         msrq;
 357         struct mlx4_buf         buf;
 358         struct mlx4_db          db;
 359         u64                    *wrid;
 360         spinlock_t              lock;
 361         int                     head;
 362         int                     tail;
 363         u16                     wqe_ctr;
 364         struct ib_umem         *umem;
 365         struct mlx4_mtt         mtt;
 366         struct mutex            mutex;
 367 };
 368
 369 struct mlx4_ib_ah {
 370         struct ib_ah            ibah;
 371         union mlx4_ext_av       av;
 372 };
 373
 374 /****************************************/
 375 /* alias guid support */
 376 /****************************************/
 377 #define NUM_PORT_ALIAS_GUID             2
 378 #define NUM_ALIAS_GUID_IN_REC           8
 379 #define NUM_ALIAS_GUID_REC_IN_PORT      16
 380 #define GUID_REC_SIZE                   8
 381 #define NUM_ALIAS_GUID_PER_PORT         128
 382 #define MLX4_NOT_SET_GUID               (0x00LL)
 383 #define MLX4_GUID_FOR_DELETE_VAL        (~(0x00LL))
 384
 385 enum mlx4_guid_alias_rec_status {
 386         MLX4_GUID_INFO_STATUS_IDLE,
 387         MLX4_GUID_INFO_STATUS_SET,
 388 };
 389
 390 #define GUID_STATE_NEED_PORT_INIT 0x01
 391
 392 enum mlx4_guid_alias_rec_method {
 393         MLX4_GUID_INFO_RECORD_SET       = IB_MGMT_METHOD_SET,
 394         MLX4_GUID_INFO_RECORD_DELETE    = IB_SA_METHOD_DELETE,
 395 };
 396
 397 struct mlx4_sriov_alias_guid_info_rec_det {
 398         u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
 399         ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
 400         enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
 401         unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
 402         u64 time_to_run;
 403 };
 404
 405 struct mlx4_sriov_alias_guid_port_rec_det {
 406         struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
 407         struct workqueue_struct *wq;
 408         struct delayed_work alias_guid_work;
 409         u8 port;
 410         u32 state_flags;
 411         struct mlx4_sriov_alias_guid *parent;
 412         struct list_head cb_list;
 413 };
 414
 415 struct mlx4_sriov_alias_guid {
 416         struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
 417         spinlock_t ag_work_lock;
 418         struct ib_sa_client *sa_client;
 419 };
 420
 421 struct mlx4_ib_demux_work {
 422         struct work_struct      work;
 423         struct mlx4_ib_dev     *dev;
 424         int                     slave;
 425         int                     do_init;
 426         u8                      port;
 427
 428 };
 429
 430 struct mlx4_ib_tun_tx_buf {
 431         struct mlx4_ib_buf buf;
 432         struct ib_ah *ah;
 433 };
 434
 435 struct mlx4_ib_demux_pv_qp {
 436         struct ib_qp *qp;
 437         enum ib_qp_type proxy_qpt;
 438         struct mlx4_ib_buf *ring;
 439         struct mlx4_ib_tun_tx_buf *tx_ring;
 440         spinlock_t tx_lock;
 441         unsigned tx_ix_head;
 442         unsigned tx_ix_tail;
 443 };
 444
 445 enum mlx4_ib_demux_pv_state {
 446         DEMUX_PV_STATE_DOWN,
 447         DEMUX_PV_STATE_STARTING,
 448         DEMUX_PV_STATE_ACTIVE,
 449         DEMUX_PV_STATE_DOWNING,
 450 };
 451
 452 struct mlx4_ib_demux_pv_ctx {
 453         int port;
 454         int slave;
 455         enum mlx4_ib_demux_pv_state state;
 456         int has_smi;
 457         struct ib_device *ib_dev;
 458         struct ib_cq *cq;
 459         struct ib_pd *pd;
 460         struct work_struct work;
 461         struct workqueue_struct *wq;
 462         struct mlx4_ib_demux_pv_qp qp[2];
 463 };
 464
 465 struct mlx4_ib_demux_ctx {
 466         struct ib_device *ib_dev;
 467         int port;
 468         struct workqueue_struct *wq;
 469         struct workqueue_struct *ud_wq;
 470         spinlock_t ud_lock;
 471         atomic64_t subnet_prefix;
 472         __be64 guid_cache[128];
 473         struct mlx4_ib_dev *dev;
 474         /* the following lock protects both mcg_table and mcg_mgid0_list */
 475         struct mutex            mcg_table_lock;
 476         struct rb_root          mcg_table;
 477         struct list_head        mcg_mgid0_list;
 478         struct workqueue_struct *mcg_wq;
 479         struct mlx4_ib_demux_pv_ctx **tun;
 480         atomic_t tid;
 481         int    flushing; /* flushing the work queue */
 482 };
 483
 484 struct mlx4_ib_sriov {
 485         struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
 486         struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
 487         /* when using this spinlock you should use "irq" because
 488          * it may be called from interrupt context.*/
 489         spinlock_t going_down_lock;
 490         int is_going_down;
 491
 492         struct mlx4_sriov_alias_guid alias_guid;
 493
 494         /* CM paravirtualization fields */
 495         struct list_head cm_list;
 496         spinlock_t id_map_lock;
 497         struct rb_root sl_id_map;
 498         struct idr pv_id_table;
 499 };
 500
 501 struct gid_cache_context {
 502         int real_index;
 503         int refcount;
 504 };
 505
 506 struct gid_entry {
 507         union ib_gid    gid;
 508         enum ib_gid_type gid_type;
 509         struct gid_cache_context *ctx;
 510 };
 511
 512 struct mlx4_port_gid_table {
 513         struct gid_entry gids[MLX4_MAX_PORT_GIDS];
 514 };
 515
 516 struct mlx4_ib_iboe {
 517         spinlock_t              lock;
 518         struct net_device      *netdevs[MLX4_MAX_PORTS];
 519         atomic64_t              mac[MLX4_MAX_PORTS];
 520         struct notifier_block   nb;
 521         struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
 522         enum ib_port_state      last_port_state[MLX4_MAX_PORTS];
 523 };
 524
 525 struct pkey_mgt {
 526         u8                      virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 527         u16                     phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 528         struct list_head        pkey_port_list[MLX4_MFUNC_MAX];
 529         struct kobject         *device_parent[MLX4_MFUNC_MAX];
 530 };
 531
 532 struct mlx4_ib_iov_sysfs_attr {
 533         void *ctx;
 534         struct kobject *kobj;
 535         unsigned long data;
 536         u32 entry_num;
 537         char name[15];
 538         struct device_attribute dentry;
 539         struct device *dev;
 540 };
 541
 542 struct mlx4_ib_iov_sysfs_attr_ar {
 543         struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
 544 };
 545
 546 struct mlx4_ib_iov_port {
 547         char name[100];
 548         u8 num;
 549         struct mlx4_ib_dev *dev;
 550         struct list_head list;
 551         struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
 552         struct ib_port_attr attr;
 553         struct kobject  *cur_port;
 554         struct kobject  *admin_alias_parent;
 555         struct kobject  *gids_parent;
 556         struct kobject  *pkeys_parent;
 557         struct kobject  *mcgs_parent;
 558         struct mlx4_ib_iov_sysfs_attr mcg_dentry;
 559 };
 560
 561 struct counter_index {
 562         struct  list_head       list;
 563         u32             index;
 564         u8              allocated;
 565 };
 566
 567 struct mlx4_ib_counters {
 568         struct list_head        counters_list;
 569         struct mutex            mutex; /* mutex for accessing counters list */
 570         u32                     default_counter;
 571 };
 572
 573 #define MLX4_DIAG_COUNTERS_TYPES 2
 574
 575 struct mlx4_ib_diag_counters {
 576         const char **name;
 577         u32 *offset;
 578         u32 num_counters;
 579 };
 580
 581 struct mlx4_ib_dev {
 582         struct ib_device        ib_dev;
 583         struct mlx4_dev        *dev;
 584         int                     num_ports;
 585         void __iomem           *uar_map;
 586
 587         struct mlx4_uar         priv_uar;
 588         u32                     priv_pdn;
 589         MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
 590
 591         struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
 592         struct ib_ah           *sm_ah[MLX4_MAX_PORTS];
 593         spinlock_t              sm_lock;
 594         atomic64_t              sl2vl[MLX4_MAX_PORTS];
 595         struct mlx4_ib_sriov    sriov;
 596
 597         struct mutex            cap_mask_mutex;
 598         bool                    ib_active;
 599         struct mlx4_ib_iboe     iboe;
 600         struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
 601         int                    *eq_table;
 602         struct kobject         *iov_parent;
 603         struct kobject         *ports_parent;
 604         struct kobject         *dev_ports_parent[MLX4_MFUNC_MAX];
 605         struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
 606         struct pkey_mgt         pkeys;
 607         unsigned long *ib_uc_qpns_bitmap;
 608         int steer_qpn_count;
 609         int steer_qpn_base;
 610         int steering_support;
 611         struct mlx4_ib_qp      *qp1_proxy[MLX4_MAX_PORTS];
 612         /* lock when destroying qp1_proxy and getting netdev events */
 613         struct mutex            qp1_proxy_lock[MLX4_MAX_PORTS];
 614         u8                      bond_next_port;
 615         /* protect resources needed as part of reset flow */
 616         spinlock_t              reset_flow_resource_lock;
 617         struct list_head                qp_list;
 618         struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
 619 };
 620
 621 struct ib_event_work {
 622         struct work_struct      work;
 623         struct mlx4_ib_dev      *ib_dev;
 624         struct mlx4_eqe         ib_eqe;
 625         int                     port;
 626 };
 627
 628 struct mlx4_ib_qp_tunnel_init_attr {
 629         struct ib_qp_init_attr init_attr;
 630         int slave;
 631         enum ib_qp_type proxy_qp_type;
 632         u8 port;
 633 };
 634
 635 struct mlx4_uverbs_ex_query_device {
 636         __u32 comp_mask;
 637         __u32 reserved;
 638 };
 639
 640 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
 641 {
 642         return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
 643 }
 644
 645 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
 646 {
 647         return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
 648 }
 649
 650 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
 651 {
 652         return container_of(ibpd, struct mlx4_ib_pd, ibpd);
 653 }
 654
 655 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
 656 {
 657         return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
 658 }
 659
 660 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
 661 {
 662         return container_of(ibcq, struct mlx4_ib_cq, ibcq);
 663 }
 664
 665 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
 666 {
 667         return container_of(mcq, struct mlx4_ib_cq, mcq);
 668 }
 669
 670 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
 671 {
 672         return container_of(ibmr, struct mlx4_ib_mr, ibmr);
 673 }
 674
 675 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
 676 {
 677         return container_of(ibmw, struct mlx4_ib_mw, ibmw);
 678 }
 679
 680 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
 681 {
 682         return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
 683 }
 684
 685 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
 686 {
 687         return container_of(ibflow, struct mlx4_ib_flow, ibflow);
 688 }
 689
 690 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
 691 {
 692         return container_of(ibqp, struct mlx4_ib_qp, ibqp);
 693 }
 694
 695 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
 696 {
 697         return container_of(mqp, struct mlx4_ib_qp, mqp);
 698 }
 699
 700 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
 701 {
 702         return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
 703 }
 704
 705 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
 706 {
 707         return container_of(msrq, struct mlx4_ib_srq, msrq);
 708 }
 709
 710 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
 711 {
 712         return container_of(ibah, struct mlx4_ib_ah, ibah);
 713 }
 714
 715 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
 716 {
 717         dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
 718
 719         return dev->bond_next_port + 1;
 720 }
 721
 722 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
 723 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
 724
 725 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
 726                         struct mlx4_db *db);
 727 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
 728
 729 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
 730 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
 731                            struct ib_umem *umem);
 732 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 733                                   u64 virt_addr, int access_flags,
 734                                   struct ib_udata *udata);
 735 int mlx4_ib_dereg_mr(struct ib_mr *mr);
 736 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
 737                                struct ib_udata *udata);
 738 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
 739 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
 740                                enum ib_mr_type mr_type,
 741                                u32 max_num_sg);
 742 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
 743                       unsigned int *sg_offset);
 744 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
 745 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
 746 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
 747                                 const struct ib_cq_init_attr *attr,
 748                                 struct ib_ucontext *context,
 749                                 struct ib_udata *udata);
 750 int mlx4_ib_destroy_cq(struct ib_cq *cq);
 751 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
 752 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
 753 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 754 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 755
 756 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
 757                                 u32 flags, struct ib_udata *udata);
 758 struct ib_ah *mlx4_ib_create_ah_slave(struct ib_pd *pd,
 759                                       struct rdma_ah_attr *ah_attr,
 760                                       int slave_sgid_index, u8 *s_mac,
 761                                       u16 vlan_tag);
 762 int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
 763 int mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags);
 764
 765 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
 766                                   struct ib_srq_init_attr *init_attr,
 767                                   struct ib_udata *udata);
 768 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 769                        enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
 770 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
 771 int mlx4_ib_destroy_srq(struct ib_srq *srq);
 772 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
 773 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
 774                           const struct ib_recv_wr **bad_wr);
 775
 776 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
 777                                 struct ib_qp_init_attr *init_attr,
 778                                 struct ib_udata *udata);
 779 int mlx4_ib_destroy_qp(struct ib_qp *qp);
 780 void mlx4_ib_drain_sq(struct ib_qp *qp);
 781 void mlx4_ib_drain_rq(struct ib_qp *qp);
 782 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 783                       int attr_mask, struct ib_udata *udata);
 784 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
 785                      struct ib_qp_init_attr *qp_init_attr);
 786 int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
 787                       const struct ib_send_wr **bad_wr);
 788 int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
 789                       const struct ib_recv_wr **bad_wr);
 790
 791 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
 792                  int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 793                  const void *in_mad, void *response_mad);
 794 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 795                         const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 796                         const struct ib_mad_hdr *in, size_t in_mad_size,
 797                         struct ib_mad_hdr *out, size_t *out_mad_size,
 798                         u16 *out_mad_pkey_index);
 799 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
 800 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
 801
 802 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
 803                                   struct ib_fmr_attr *fmr_attr);
 804 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
 805                          u64 iova);
 806 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
 807 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
 808 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
 809                          struct ib_port_attr *props, int netw_view);
 810 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
 811                          u16 *pkey, int netw_view);
 812
 813 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
 814                         union ib_gid *gid, int netw_view);
 815
 816 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
 817 {
 818         u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
 819
 820         if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
 821                 return true;
 822
 823         return !!(ah->av.ib.g_slid & 0x80);
 824 }
 825
 826 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
 827 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
 828 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
 829 int mlx4_ib_mcg_init(void);
 830 void mlx4_ib_mcg_destroy(void);
 831
 832 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
 833
 834 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
 835                                   struct ib_sa_mad *sa_mad);
 836 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
 837                               struct ib_sa_mad *mad);
 838
 839 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 840                    union ib_gid *gid);
 841
 842 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
 843                             enum ib_event_type type);
 844
 845 void mlx4_ib_tunnels_update_work(struct work_struct *work);
 846
 847 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
 848                           enum ib_qp_type qpt, struct ib_wc *wc,
 849                           struct ib_grh *grh, struct ib_mad *mad);
 850
 851 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
 852                          enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
 853                          u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac,
 854                          u16 vlan_id, struct ib_mad *mad);
 855
 856 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
 857
 858 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
 859                 struct ib_mad *mad);
 860
 861 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
 862                 struct ib_mad *mad);
 863
 864 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
 865 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
 866
 867 /* alias guid support */
 868 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
 869 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
 870 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
 871 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
 872
 873 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
 874                                           int block_num,
 875                                           u8 port_num, u8 *p_data);
 876
 877 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
 878                                          int block_num, u8 port_num,
 879                                          u8 *p_data);
 880
 881 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 882                             struct attribute *attr);
 883 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 884                              struct attribute *attr);
 885 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
 886 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
 887                                     int port, int slave_init);
 888
 889 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
 890
 891 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
 892
 893 __be64 mlx4_ib_gen_node_guid(void);
 894
 895 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
 896 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
 897 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 898                          int is_attach);
 899 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
 900                           u64 start, u64 length, u64 virt_addr,
 901                           int mr_access_flags, struct ib_pd *pd,
 902                           struct ib_udata *udata);
 903 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
 904                                     const struct ib_gid_attr *attr);
 905
 906 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
 907                                      int port);
 908
 909 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
 910
 911 struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
 912                                 struct ib_wq_init_attr *init_attr,
 913                                 struct ib_udata *udata);
 914 int mlx4_ib_destroy_wq(struct ib_wq *wq);
 915 int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
 916                       u32 wq_attr_mask, struct ib_udata *udata);
 917
 918 struct ib_rwq_ind_table
 919 *mlx4_ib_create_rwq_ind_table(struct ib_device *device,
 920                               struct ib_rwq_ind_table_init_attr *init_attr,
 921                               struct ib_udata *udata);
 922 int mlx4_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
 923 int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va,
 924                                        int *num_of_mtts);
 925
 926 #endif /* MLX4_IB_H */