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
  50 #define MLX4_IB_DRV_NAME        "mlx4_ib"
  51
  52 #ifdef pr_fmt
  53 #undef pr_fmt
  54 #endif
  55 #define pr_fmt(fmt)     "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
  56
  57 #define mlx4_ib_warn(ibdev, format, arg...) \
  58         dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
  59
  60 enum {
  61         MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
  62         MLX4_IB_MAX_HEADROOM     = 2048
  63 };
  64
  65 #define MLX4_IB_SQ_HEADROOM(shift)      ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
  66 #define MLX4_IB_SQ_MAX_SPARE            (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
  67
  68 /*module param to indicate if SM assigns the alias_GUID*/
  69 extern int mlx4_ib_sm_guid_assign;
  70
  71 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
  72 #define MLX4_IB_UC_MAX_NUM_QPS     256
  73 struct mlx4_ib_ucontext {
  74         struct ib_ucontext      ibucontext;
  75         struct mlx4_uar         uar;
  76         struct list_head        db_page_list;
  77         struct mutex            db_page_mutex;
  78 };
  79
  80 struct mlx4_ib_pd {
  81         struct ib_pd            ibpd;
  82         u32                     pdn;
  83 };
  84
  85 struct mlx4_ib_xrcd {
  86         struct ib_xrcd          ibxrcd;
  87         u32                     xrcdn;
  88         struct ib_pd           *pd;
  89         struct ib_cq           *cq;
  90 };
  91
  92 struct mlx4_ib_cq_buf {
  93         struct mlx4_buf         buf;
  94         struct mlx4_mtt         mtt;
  95         int                     entry_size;
  96 };
  97
  98 struct mlx4_ib_cq_resize {
  99         struct mlx4_ib_cq_buf   buf;
 100         int                     cqe;
 101 };
 102
 103 struct mlx4_ib_cq {
 104         struct ib_cq            ibcq;
 105         struct mlx4_cq          mcq;
 106         struct mlx4_ib_cq_buf   buf;
 107         struct mlx4_ib_cq_resize *resize_buf;
 108         struct mlx4_db          db;
 109         spinlock_t              lock;
 110         struct mutex            resize_mutex;
 111         struct ib_umem         *umem;
 112         struct ib_umem         *resize_umem;
 113         int                     create_flags;
 114         /* List of qps that it serves.*/
 115         struct list_head                send_qp_list;
 116         struct list_head                recv_qp_list;
 117 };
 118
 119 struct mlx4_ib_mr {
 120         struct ib_mr            ibmr;
 121         struct mlx4_mr          mmr;
 122         struct ib_umem         *umem;
 123 };
 124
 125 struct mlx4_ib_mw {
 126         struct ib_mw            ibmw;
 127         struct mlx4_mw          mmw;
 128 };
 129
 130 struct mlx4_ib_fast_reg_page_list {
 131         struct ib_fast_reg_page_list    ibfrpl;
 132         __be64                         *mapped_page_list;
 133         dma_addr_t                      map;
 134 };
 135
 136 struct mlx4_ib_fmr {
 137         struct ib_fmr           ibfmr;
 138         struct mlx4_fmr         mfmr;
 139 };
 140
 141 #define MAX_REGS_PER_FLOW 2
 142
 143 struct mlx4_flow_reg_id {
 144         u64 id;
 145         u64 mirror;
 146 };
 147
 148 struct mlx4_ib_flow {
 149         struct ib_flow ibflow;
 150         /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
 151         struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
 152 };
 153
 154 struct mlx4_ib_wq {
 155         u64                    *wrid;
 156         spinlock_t              lock;
 157         int                     wqe_cnt;
 158         int                     max_post;
 159         int                     max_gs;
 160         int                     offset;
 161         int                     wqe_shift;
 162         unsigned                head;
 163         unsigned                tail;
 164 };
 165
 166 enum mlx4_ib_qp_flags {
 167         MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
 168         MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
 169         MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
 170         MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
 171         MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
 172         MLX4_IB_SRIOV_SQP = 1 << 31,
 173 };
 174
 175 struct mlx4_ib_gid_entry {
 176         struct list_head        list;
 177         union ib_gid            gid;
 178         int                     added;
 179         u8                      port;
 180 };
 181
 182 enum mlx4_ib_qp_type {
 183         /*
 184          * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
 185          * here (and in that order) since the MAD layer uses them as
 186          * indices into a 2-entry table.
 187          */
 188         MLX4_IB_QPT_SMI = IB_QPT_SMI,
 189         MLX4_IB_QPT_GSI = IB_QPT_GSI,
 190
 191         MLX4_IB_QPT_RC = IB_QPT_RC,
 192         MLX4_IB_QPT_UC = IB_QPT_UC,
 193         MLX4_IB_QPT_UD = IB_QPT_UD,
 194         MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
 195         MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
 196         MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
 197         MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
 198         MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
 199
 200         MLX4_IB_QPT_PROXY_SMI_OWNER     = 1 << 16,
 201         MLX4_IB_QPT_PROXY_SMI           = 1 << 17,
 202         MLX4_IB_QPT_PROXY_GSI           = 1 << 18,
 203         MLX4_IB_QPT_TUN_SMI_OWNER       = 1 << 19,
 204         MLX4_IB_QPT_TUN_SMI             = 1 << 20,
 205         MLX4_IB_QPT_TUN_GSI             = 1 << 21,
 206 };
 207
 208 #define MLX4_IB_QPT_ANY_SRIOV   (MLX4_IB_QPT_PROXY_SMI_OWNER | \
 209         MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
 210         MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
 211
 212 enum mlx4_ib_mad_ifc_flags {
 213         MLX4_MAD_IFC_IGNORE_MKEY        = 1,
 214         MLX4_MAD_IFC_IGNORE_BKEY        = 2,
 215         MLX4_MAD_IFC_IGNORE_KEYS        = (MLX4_MAD_IFC_IGNORE_MKEY |
 216                                            MLX4_MAD_IFC_IGNORE_BKEY),
 217         MLX4_MAD_IFC_NET_VIEW           = 4,
 218 };
 219
 220 enum {
 221         MLX4_NUM_TUNNEL_BUFS            = 256,
 222 };
 223
 224 struct mlx4_ib_tunnel_header {
 225         struct mlx4_av av;
 226         __be32 remote_qpn;
 227         __be32 qkey;
 228         __be16 vlan;
 229         u8 mac[6];
 230         __be16 pkey_index;
 231         u8 reserved[6];
 232 };
 233
 234 struct mlx4_ib_buf {
 235         void *addr;
 236         dma_addr_t map;
 237 };
 238
 239 struct mlx4_rcv_tunnel_hdr {
 240         __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
 241                               * 0x0 - no vlan was in the packet
 242                               * 0x01 - C-VLAN was in the packet */
 243         u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
 244         u8 reserved;
 245         __be16 pkey_index;
 246         __be16 sl_vid;
 247         __be16 slid_mac_47_32;
 248         __be32 mac_31_0;
 249 };
 250
 251 struct mlx4_ib_proxy_sqp_hdr {
 252         struct ib_grh grh;
 253         struct mlx4_rcv_tunnel_hdr tun;
 254 }  __packed;
 255
 256 struct mlx4_roce_smac_vlan_info {
 257         u64 smac;
 258         int smac_index;
 259         int smac_port;
 260         u64 candidate_smac;
 261         int candidate_smac_index;
 262         int candidate_smac_port;
 263         u16 vid;
 264         int vlan_index;
 265         int vlan_port;
 266         u16 candidate_vid;
 267         int candidate_vlan_index;
 268         int candidate_vlan_port;
 269         int update_vid;
 270 };
 271
 272 struct mlx4_ib_qp {
 273         struct ib_qp            ibqp;
 274         struct mlx4_qp          mqp;
 275         struct mlx4_buf         buf;
 276
 277         struct mlx4_db          db;
 278         struct mlx4_ib_wq       rq;
 279
 280         u32                     doorbell_qpn;
 281         __be32                  sq_signal_bits;
 282         unsigned                sq_next_wqe;
 283         int                     sq_max_wqes_per_wr;
 284         int                     sq_spare_wqes;
 285         struct mlx4_ib_wq       sq;
 286
 287         enum mlx4_ib_qp_type    mlx4_ib_qp_type;
 288         struct ib_umem         *umem;
 289         struct mlx4_mtt         mtt;
 290         int                     buf_size;
 291         struct mutex            mutex;
 292         u16                     xrcdn;
 293         u32                     flags;
 294         u8                      port;
 295         u8                      alt_port;
 296         u8                      atomic_rd_en;
 297         u8                      resp_depth;
 298         u8                      sq_no_prefetch;
 299         u8                      state;
 300         int                     mlx_type;
 301         struct list_head        gid_list;
 302         struct list_head        steering_rules;
 303         struct mlx4_ib_buf      *sqp_proxy_rcv;
 304         struct mlx4_roce_smac_vlan_info pri;
 305         struct mlx4_roce_smac_vlan_info alt;
 306         u64                     reg_id;
 307         struct list_head        qps_list;
 308         struct list_head        cq_recv_list;
 309         struct list_head        cq_send_list;
 310 };
 311
 312 struct mlx4_ib_srq {
 313         struct ib_srq           ibsrq;
 314         struct mlx4_srq         msrq;
 315         struct mlx4_buf         buf;
 316         struct mlx4_db          db;
 317         u64                    *wrid;
 318         spinlock_t              lock;
 319         int                     head;
 320         int                     tail;
 321         u16                     wqe_ctr;
 322         struct ib_umem         *umem;
 323         struct mlx4_mtt         mtt;
 324         struct mutex            mutex;
 325 };
 326
 327 struct mlx4_ib_ah {
 328         struct ib_ah            ibah;
 329         union mlx4_ext_av       av;
 330 };
 331
 332 /****************************************/
 333 /* alias guid support */
 334 /****************************************/
 335 #define NUM_PORT_ALIAS_GUID             2
 336 #define NUM_ALIAS_GUID_IN_REC           8
 337 #define NUM_ALIAS_GUID_REC_IN_PORT      16
 338 #define GUID_REC_SIZE                   8
 339 #define NUM_ALIAS_GUID_PER_PORT         128
 340 #define MLX4_NOT_SET_GUID               (0x00LL)
 341 #define MLX4_GUID_FOR_DELETE_VAL        (~(0x00LL))
 342
 343 enum mlx4_guid_alias_rec_status {
 344         MLX4_GUID_INFO_STATUS_IDLE,
 345         MLX4_GUID_INFO_STATUS_SET,
 346 };
 347
 348 #define GUID_STATE_NEED_PORT_INIT 0x01
 349
 350 enum mlx4_guid_alias_rec_method {
 351         MLX4_GUID_INFO_RECORD_SET       = IB_MGMT_METHOD_SET,
 352         MLX4_GUID_INFO_RECORD_DELETE    = IB_SA_METHOD_DELETE,
 353 };
 354
 355 struct mlx4_sriov_alias_guid_info_rec_det {
 356         u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
 357         ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
 358         enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
 359         unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
 360         u64 time_to_run;
 361 };
 362
 363 struct mlx4_sriov_alias_guid_port_rec_det {
 364         struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
 365         struct workqueue_struct *wq;
 366         struct delayed_work alias_guid_work;
 367         u8 port;
 368         u32 state_flags;
 369         struct mlx4_sriov_alias_guid *parent;
 370         struct list_head cb_list;
 371 };
 372
 373 struct mlx4_sriov_alias_guid {
 374         struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
 375         spinlock_t ag_work_lock;
 376         struct ib_sa_client *sa_client;
 377 };
 378
 379 struct mlx4_ib_demux_work {
 380         struct work_struct      work;
 381         struct mlx4_ib_dev     *dev;
 382         int                     slave;
 383         int                     do_init;
 384         u8                      port;
 385
 386 };
 387
 388 struct mlx4_ib_tun_tx_buf {
 389         struct mlx4_ib_buf buf;
 390         struct ib_ah *ah;
 391 };
 392
 393 struct mlx4_ib_demux_pv_qp {
 394         struct ib_qp *qp;
 395         enum ib_qp_type proxy_qpt;
 396         struct mlx4_ib_buf *ring;
 397         struct mlx4_ib_tun_tx_buf *tx_ring;
 398         spinlock_t tx_lock;
 399         unsigned tx_ix_head;
 400         unsigned tx_ix_tail;
 401 };
 402
 403 enum mlx4_ib_demux_pv_state {
 404         DEMUX_PV_STATE_DOWN,
 405         DEMUX_PV_STATE_STARTING,
 406         DEMUX_PV_STATE_ACTIVE,
 407         DEMUX_PV_STATE_DOWNING,
 408 };
 409
 410 struct mlx4_ib_demux_pv_ctx {
 411         int port;
 412         int slave;
 413         enum mlx4_ib_demux_pv_state state;
 414         int has_smi;
 415         struct ib_device *ib_dev;
 416         struct ib_cq *cq;
 417         struct ib_pd *pd;
 418         struct ib_mr *mr;
 419         struct work_struct work;
 420         struct workqueue_struct *wq;
 421         struct mlx4_ib_demux_pv_qp qp[2];
 422 };
 423
 424 struct mlx4_ib_demux_ctx {
 425         struct ib_device *ib_dev;
 426         int port;
 427         struct workqueue_struct *wq;
 428         struct workqueue_struct *ud_wq;
 429         spinlock_t ud_lock;
 430         __be64 subnet_prefix;
 431         __be64 guid_cache[128];
 432         struct mlx4_ib_dev *dev;
 433         /* the following lock protects both mcg_table and mcg_mgid0_list */
 434         struct mutex            mcg_table_lock;
 435         struct rb_root          mcg_table;
 436         struct list_head        mcg_mgid0_list;
 437         struct workqueue_struct *mcg_wq;
 438         struct mlx4_ib_demux_pv_ctx **tun;
 439         atomic_t tid;
 440         int    flushing; /* flushing the work queue */
 441 };
 442
 443 struct mlx4_ib_sriov {
 444         struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
 445         struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
 446         /* when using this spinlock you should use "irq" because
 447          * it may be called from interrupt context.*/
 448         spinlock_t going_down_lock;
 449         int is_going_down;
 450
 451         struct mlx4_sriov_alias_guid alias_guid;
 452
 453         /* CM paravirtualization fields */
 454         struct list_head cm_list;
 455         spinlock_t id_map_lock;
 456         struct rb_root sl_id_map;
 457         struct idr pv_id_table;
 458 };
 459
 460 struct mlx4_ib_iboe {
 461         spinlock_t              lock;
 462         struct net_device      *netdevs[MLX4_MAX_PORTS];
 463         struct net_device      *masters[MLX4_MAX_PORTS];
 464         atomic64_t              mac[MLX4_MAX_PORTS];
 465         struct notifier_block   nb;
 466         struct notifier_block   nb_inet;
 467         struct notifier_block   nb_inet6;
 468         union ib_gid            gid_table[MLX4_MAX_PORTS][128];
 469 };
 470
 471 struct pkey_mgt {
 472         u8                      virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 473         u16                     phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 474         struct list_head        pkey_port_list[MLX4_MFUNC_MAX];
 475         struct kobject         *device_parent[MLX4_MFUNC_MAX];
 476 };
 477
 478 struct mlx4_ib_iov_sysfs_attr {
 479         void *ctx;
 480         struct kobject *kobj;
 481         unsigned long data;
 482         u32 entry_num;
 483         char name[15];
 484         struct device_attribute dentry;
 485         struct device *dev;
 486 };
 487
 488 struct mlx4_ib_iov_sysfs_attr_ar {
 489         struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
 490 };
 491
 492 struct mlx4_ib_iov_port {
 493         char name[100];
 494         u8 num;
 495         struct mlx4_ib_dev *dev;
 496         struct list_head list;
 497         struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
 498         struct ib_port_attr attr;
 499         struct kobject  *cur_port;
 500         struct kobject  *admin_alias_parent;
 501         struct kobject  *gids_parent;
 502         struct kobject  *pkeys_parent;
 503         struct kobject  *mcgs_parent;
 504         struct mlx4_ib_iov_sysfs_attr mcg_dentry;
 505 };
 506
 507 struct counter_index {
 508         u32             index;
 509         u8              allocated;
 510 };
 511
 512 struct mlx4_ib_dev {
 513         struct ib_device        ib_dev;
 514         struct mlx4_dev        *dev;
 515         int                     num_ports;
 516         void __iomem           *uar_map;
 517
 518         struct mlx4_uar         priv_uar;
 519         u32                     priv_pdn;
 520         MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
 521
 522         struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
 523         struct ib_ah           *sm_ah[MLX4_MAX_PORTS];
 524         spinlock_t              sm_lock;
 525         struct mlx4_ib_sriov    sriov;
 526
 527         struct mutex            cap_mask_mutex;
 528         bool                    ib_active;
 529         struct mlx4_ib_iboe     iboe;
 530         struct counter_index    counters[MLX4_MAX_PORTS];
 531         int                    *eq_table;
 532         struct kobject         *iov_parent;
 533         struct kobject         *ports_parent;
 534         struct kobject         *dev_ports_parent[MLX4_MFUNC_MAX];
 535         struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
 536         struct pkey_mgt         pkeys;
 537         unsigned long *ib_uc_qpns_bitmap;
 538         int steer_qpn_count;
 539         int steer_qpn_base;
 540         int steering_support;
 541         struct mlx4_ib_qp      *qp1_proxy[MLX4_MAX_PORTS];
 542         /* lock when destroying qp1_proxy and getting netdev events */
 543         struct mutex            qp1_proxy_lock[MLX4_MAX_PORTS];
 544         u8                      bond_next_port;
 545         /* protect resources needed as part of reset flow */
 546         spinlock_t              reset_flow_resource_lock;
 547         struct list_head                qp_list;
 548 };
 549
 550 struct ib_event_work {
 551         struct work_struct      work;
 552         struct mlx4_ib_dev      *ib_dev;
 553         struct mlx4_eqe         ib_eqe;
 554 };
 555
 556 struct mlx4_ib_qp_tunnel_init_attr {
 557         struct ib_qp_init_attr init_attr;
 558         int slave;
 559         enum ib_qp_type proxy_qp_type;
 560         u8 port;
 561 };
 562
 563 struct mlx4_uverbs_ex_query_device {
 564         __u32 comp_mask;
 565         __u32 reserved;
 566 };
 567
 568 enum query_device_resp_mask {
 569         QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
 570 };
 571
 572 struct mlx4_uverbs_ex_query_device_resp {
 573         __u32 comp_mask;
 574         __u32 response_length;
 575         __u64 hca_core_clock_offset;
 576 };
 577
 578 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
 579 {
 580         return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
 581 }
 582
 583 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
 584 {
 585         return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
 586 }
 587
 588 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
 589 {
 590         return container_of(ibpd, struct mlx4_ib_pd, ibpd);
 591 }
 592
 593 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
 594 {
 595         return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
 596 }
 597
 598 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
 599 {
 600         return container_of(ibcq, struct mlx4_ib_cq, ibcq);
 601 }
 602
 603 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
 604 {
 605         return container_of(mcq, struct mlx4_ib_cq, mcq);
 606 }
 607
 608 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
 609 {
 610         return container_of(ibmr, struct mlx4_ib_mr, ibmr);
 611 }
 612
 613 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
 614 {
 615         return container_of(ibmw, struct mlx4_ib_mw, ibmw);
 616 }
 617
 618 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
 619 {
 620         return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
 621 }
 622
 623 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
 624 {
 625         return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
 626 }
 627
 628 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
 629 {
 630         return container_of(ibflow, struct mlx4_ib_flow, ibflow);
 631 }
 632
 633 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
 634 {
 635         return container_of(ibqp, struct mlx4_ib_qp, ibqp);
 636 }
 637
 638 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
 639 {
 640         return container_of(mqp, struct mlx4_ib_qp, mqp);
 641 }
 642
 643 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
 644 {
 645         return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
 646 }
 647
 648 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
 649 {
 650         return container_of(msrq, struct mlx4_ib_srq, msrq);
 651 }
 652
 653 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
 654 {
 655         return container_of(ibah, struct mlx4_ib_ah, ibah);
 656 }
 657
 658 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
 659 {
 660         dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
 661
 662         return dev->bond_next_port + 1;
 663 }
 664
 665 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
 666 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
 667
 668 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
 669                         struct mlx4_db *db);
 670 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
 671
 672 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
 673 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
 674                            struct ib_umem *umem);
 675 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 676                                   u64 virt_addr, int access_flags,
 677                                   struct ib_udata *udata);
 678 int mlx4_ib_dereg_mr(struct ib_mr *mr);
 679 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
 680 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
 681                     struct ib_mw_bind *mw_bind);
 682 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
 683 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
 684                                         int max_page_list_len);
 685 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
 686                                                                int page_list_len);
 687 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
 688
 689 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
 690 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
 691 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
 692                                 const struct ib_cq_init_attr *attr,
 693                                 struct ib_ucontext *context,
 694                                 struct ib_udata *udata);
 695 int mlx4_ib_destroy_cq(struct ib_cq *cq);
 696 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
 697 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
 698 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 699 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 700
 701 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
 702 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
 703 int mlx4_ib_destroy_ah(struct ib_ah *ah);
 704
 705 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
 706                                   struct ib_srq_init_attr *init_attr,
 707                                   struct ib_udata *udata);
 708 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 709                        enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
 710 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
 711 int mlx4_ib_destroy_srq(struct ib_srq *srq);
 712 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
 713 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 714                           struct ib_recv_wr **bad_wr);
 715
 716 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
 717                                 struct ib_qp_init_attr *init_attr,
 718                                 struct ib_udata *udata);
 719 int mlx4_ib_destroy_qp(struct ib_qp *qp);
 720 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 721                       int attr_mask, struct ib_udata *udata);
 722 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
 723                      struct ib_qp_init_attr *qp_init_attr);
 724 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 725                       struct ib_send_wr **bad_wr);
 726 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 727                       struct ib_recv_wr **bad_wr);
 728
 729 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
 730                  int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 731                  const void *in_mad, void *response_mad);
 732 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 733                         const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 734                         const struct ib_mad_hdr *in, size_t in_mad_size,
 735                         struct ib_mad_hdr *out, size_t *out_mad_size,
 736                         u16 *out_mad_pkey_index);
 737 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
 738 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
 739
 740 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
 741                                   struct ib_fmr_attr *fmr_attr);
 742 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
 743                          u64 iova);
 744 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
 745 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
 746 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
 747                          struct ib_port_attr *props, int netw_view);
 748 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
 749                          u16 *pkey, int netw_view);
 750
 751 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
 752                         union ib_gid *gid, int netw_view);
 753
 754 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
 755 {
 756         u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
 757
 758         if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
 759                 return true;
 760
 761         return !!(ah->av.ib.g_slid & 0x80);
 762 }
 763
 764 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
 765 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
 766 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
 767 int mlx4_ib_mcg_init(void);
 768 void mlx4_ib_mcg_destroy(void);
 769
 770 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
 771
 772 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
 773                                   struct ib_sa_mad *sa_mad);
 774 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
 775                               struct ib_sa_mad *mad);
 776
 777 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 778                    union ib_gid *gid);
 779
 780 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
 781                             enum ib_event_type type);
 782
 783 void mlx4_ib_tunnels_update_work(struct work_struct *work);
 784
 785 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
 786                           enum ib_qp_type qpt, struct ib_wc *wc,
 787                           struct ib_grh *grh, struct ib_mad *mad);
 788
 789 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
 790                          enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
 791                          u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
 792                          struct ib_mad *mad);
 793
 794 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
 795
 796 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
 797                 struct ib_mad *mad);
 798
 799 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
 800                 struct ib_mad *mad);
 801
 802 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
 803 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
 804
 805 /* alias guid support */
 806 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
 807 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
 808 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
 809 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
 810
 811 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
 812                                           int block_num,
 813                                           u8 port_num, u8 *p_data);
 814
 815 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
 816                                          int block_num, u8 port_num,
 817                                          u8 *p_data);
 818
 819 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 820                             struct attribute *attr);
 821 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 822                              struct attribute *attr);
 823 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
 824 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
 825                                     int port, int slave_init);
 826
 827 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
 828
 829 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
 830
 831 __be64 mlx4_ib_gen_node_guid(void);
 832
 833 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
 834 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
 835 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 836                          int is_attach);
 837 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
 838                           u64 start, u64 length, u64 virt_addr,
 839                           int mr_access_flags, struct ib_pd *pd,
 840                           struct ib_udata *udata);
 841
 842 #endif /* MLX4_IB_H */