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