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 };
 114
 115 struct mlx4_ib_mr {
 116         struct ib_mr            ibmr;
 117         struct mlx4_mr          mmr;
 118         struct ib_umem         *umem;
 119 };
 120
 121 struct mlx4_ib_mw {
 122         struct ib_mw            ibmw;
 123         struct mlx4_mw          mmw;
 124 };
 125
 126 struct mlx4_ib_fast_reg_page_list {
 127         struct ib_fast_reg_page_list    ibfrpl;
 128         __be64                         *mapped_page_list;
 129         dma_addr_t                      map;
 130 };
 131
 132 struct mlx4_ib_fmr {
 133         struct ib_fmr           ibfmr;
 134         struct mlx4_fmr         mfmr;
 135 };
 136
 137 struct mlx4_ib_flow {
 138         struct ib_flow ibflow;
 139         /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
 140         u64 reg_id[2];
 141 };
 142
 143 struct mlx4_ib_wq {
 144         u64                    *wrid;
 145         spinlock_t              lock;
 146         int                     wqe_cnt;
 147         int                     max_post;
 148         int                     max_gs;
 149         int                     offset;
 150         int                     wqe_shift;
 151         unsigned                head;
 152         unsigned                tail;
 153 };
 154
 155 enum mlx4_ib_qp_flags {
 156         MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
 157         MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
 158         MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
 159         MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
 160         MLX4_IB_SRIOV_SQP = 1 << 31,
 161 };
 162
 163 struct mlx4_ib_gid_entry {
 164         struct list_head        list;
 165         union ib_gid            gid;
 166         int                     added;
 167         u8                      port;
 168 };
 169
 170 enum mlx4_ib_qp_type {
 171         /*
 172          * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
 173          * here (and in that order) since the MAD layer uses them as
 174          * indices into a 2-entry table.
 175          */
 176         MLX4_IB_QPT_SMI = IB_QPT_SMI,
 177         MLX4_IB_QPT_GSI = IB_QPT_GSI,
 178
 179         MLX4_IB_QPT_RC = IB_QPT_RC,
 180         MLX4_IB_QPT_UC = IB_QPT_UC,
 181         MLX4_IB_QPT_UD = IB_QPT_UD,
 182         MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
 183         MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
 184         MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
 185         MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
 186         MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
 187
 188         MLX4_IB_QPT_PROXY_SMI_OWNER     = 1 << 16,
 189         MLX4_IB_QPT_PROXY_SMI           = 1 << 17,
 190         MLX4_IB_QPT_PROXY_GSI           = 1 << 18,
 191         MLX4_IB_QPT_TUN_SMI_OWNER       = 1 << 19,
 192         MLX4_IB_QPT_TUN_SMI             = 1 << 20,
 193         MLX4_IB_QPT_TUN_GSI             = 1 << 21,
 194 };
 195
 196 #define MLX4_IB_QPT_ANY_SRIOV   (MLX4_IB_QPT_PROXY_SMI_OWNER | \
 197         MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
 198         MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
 199
 200 enum mlx4_ib_mad_ifc_flags {
 201         MLX4_MAD_IFC_IGNORE_MKEY        = 1,
 202         MLX4_MAD_IFC_IGNORE_BKEY        = 2,
 203         MLX4_MAD_IFC_IGNORE_KEYS        = (MLX4_MAD_IFC_IGNORE_MKEY |
 204                                            MLX4_MAD_IFC_IGNORE_BKEY),
 205         MLX4_MAD_IFC_NET_VIEW           = 4,
 206 };
 207
 208 enum {
 209         MLX4_NUM_TUNNEL_BUFS            = 256,
 210 };
 211
 212 struct mlx4_ib_tunnel_header {
 213         struct mlx4_av av;
 214         __be32 remote_qpn;
 215         __be32 qkey;
 216         __be16 vlan;
 217         u8 mac[6];
 218         __be16 pkey_index;
 219         u8 reserved[6];
 220 };
 221
 222 struct mlx4_ib_buf {
 223         void *addr;
 224         dma_addr_t map;
 225 };
 226
 227 struct mlx4_rcv_tunnel_hdr {
 228         __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
 229                               * 0x0 - no vlan was in the packet
 230                               * 0x01 - C-VLAN was in the packet */
 231         u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
 232         u8 reserved;
 233         __be16 pkey_index;
 234         __be16 sl_vid;
 235         __be16 slid_mac_47_32;
 236         __be32 mac_31_0;
 237 };
 238
 239 struct mlx4_ib_proxy_sqp_hdr {
 240         struct ib_grh grh;
 241         struct mlx4_rcv_tunnel_hdr tun;
 242 }  __packed;
 243
 244 struct mlx4_ib_qp {
 245         struct ib_qp            ibqp;
 246         struct mlx4_qp          mqp;
 247         struct mlx4_buf         buf;
 248
 249         struct mlx4_db          db;
 250         struct mlx4_ib_wq       rq;
 251
 252         u32                     doorbell_qpn;
 253         __be32                  sq_signal_bits;
 254         unsigned                sq_next_wqe;
 255         int                     sq_max_wqes_per_wr;
 256         int                     sq_spare_wqes;
 257         struct mlx4_ib_wq       sq;
 258
 259         enum mlx4_ib_qp_type    mlx4_ib_qp_type;
 260         struct ib_umem         *umem;
 261         struct mlx4_mtt         mtt;
 262         int                     buf_size;
 263         struct mutex            mutex;
 264         u16                     xrcdn;
 265         u32                     flags;
 266         u8                      port;
 267         u8                      alt_port;
 268         u8                      atomic_rd_en;
 269         u8                      resp_depth;
 270         u8                      sq_no_prefetch;
 271         u8                      state;
 272         int                     mlx_type;
 273         struct list_head        gid_list;
 274         struct list_head        steering_rules;
 275         struct mlx4_ib_buf      *sqp_proxy_rcv;
 276         u64                     reg_id;
 277
 278 };
 279
 280 struct mlx4_ib_srq {
 281         struct ib_srq           ibsrq;
 282         struct mlx4_srq         msrq;
 283         struct mlx4_buf         buf;
 284         struct mlx4_db          db;
 285         u64                    *wrid;
 286         spinlock_t              lock;
 287         int                     head;
 288         int                     tail;
 289         u16                     wqe_ctr;
 290         struct ib_umem         *umem;
 291         struct mlx4_mtt         mtt;
 292         struct mutex            mutex;
 293 };
 294
 295 struct mlx4_ib_ah {
 296         struct ib_ah            ibah;
 297         union mlx4_ext_av       av;
 298 };
 299
 300 /****************************************/
 301 /* alias guid support */
 302 /****************************************/
 303 #define NUM_PORT_ALIAS_GUID             2
 304 #define NUM_ALIAS_GUID_IN_REC           8
 305 #define NUM_ALIAS_GUID_REC_IN_PORT      16
 306 #define GUID_REC_SIZE                   8
 307 #define NUM_ALIAS_GUID_PER_PORT         128
 308 #define MLX4_NOT_SET_GUID               (0x00LL)
 309 #define MLX4_GUID_FOR_DELETE_VAL        (~(0x00LL))
 310
 311 enum mlx4_guid_alias_rec_status {
 312         MLX4_GUID_INFO_STATUS_IDLE,
 313         MLX4_GUID_INFO_STATUS_SET,
 314         MLX4_GUID_INFO_STATUS_PENDING,
 315 };
 316
 317 enum mlx4_guid_alias_rec_ownership {
 318         MLX4_GUID_DRIVER_ASSIGN,
 319         MLX4_GUID_SYSADMIN_ASSIGN,
 320         MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
 321 };
 322
 323 enum mlx4_guid_alias_rec_method {
 324         MLX4_GUID_INFO_RECORD_SET       = IB_MGMT_METHOD_SET,
 325         MLX4_GUID_INFO_RECORD_DELETE    = IB_SA_METHOD_DELETE,
 326 };
 327
 328 struct mlx4_sriov_alias_guid_info_rec_det {
 329         u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
 330         ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
 331         enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
 332         u8 method; /*set or delete*/
 333         enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
 334 };
 335
 336 struct mlx4_sriov_alias_guid_port_rec_det {
 337         struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
 338         struct workqueue_struct *wq;
 339         struct delayed_work alias_guid_work;
 340         u8 port;
 341         struct mlx4_sriov_alias_guid *parent;
 342         struct list_head cb_list;
 343 };
 344
 345 struct mlx4_sriov_alias_guid {
 346         struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
 347         spinlock_t ag_work_lock;
 348         struct ib_sa_client *sa_client;
 349 };
 350
 351 struct mlx4_ib_demux_work {
 352         struct work_struct      work;
 353         struct mlx4_ib_dev     *dev;
 354         int                     slave;
 355         int                     do_init;
 356         u8                      port;
 357
 358 };
 359
 360 struct mlx4_ib_tun_tx_buf {
 361         struct mlx4_ib_buf buf;
 362         struct ib_ah *ah;
 363 };
 364
 365 struct mlx4_ib_demux_pv_qp {
 366         struct ib_qp *qp;
 367         enum ib_qp_type proxy_qpt;
 368         struct mlx4_ib_buf *ring;
 369         struct mlx4_ib_tun_tx_buf *tx_ring;
 370         spinlock_t tx_lock;
 371         unsigned tx_ix_head;
 372         unsigned tx_ix_tail;
 373 };
 374
 375 enum mlx4_ib_demux_pv_state {
 376         DEMUX_PV_STATE_DOWN,
 377         DEMUX_PV_STATE_STARTING,
 378         DEMUX_PV_STATE_ACTIVE,
 379         DEMUX_PV_STATE_DOWNING,
 380 };
 381
 382 struct mlx4_ib_demux_pv_ctx {
 383         int port;
 384         int slave;
 385         enum mlx4_ib_demux_pv_state state;
 386         int has_smi;
 387         struct ib_device *ib_dev;
 388         struct ib_cq *cq;
 389         struct ib_pd *pd;
 390         struct ib_mr *mr;
 391         struct work_struct work;
 392         struct workqueue_struct *wq;
 393         struct mlx4_ib_demux_pv_qp qp[2];
 394 };
 395
 396 struct mlx4_ib_demux_ctx {
 397         struct ib_device *ib_dev;
 398         int port;
 399         struct workqueue_struct *wq;
 400         struct workqueue_struct *ud_wq;
 401         spinlock_t ud_lock;
 402         __be64 subnet_prefix;
 403         __be64 guid_cache[128];
 404         struct mlx4_ib_dev *dev;
 405         /* the following lock protects both mcg_table and mcg_mgid0_list */
 406         struct mutex            mcg_table_lock;
 407         struct rb_root          mcg_table;
 408         struct list_head        mcg_mgid0_list;
 409         struct workqueue_struct *mcg_wq;
 410         struct mlx4_ib_demux_pv_ctx **tun;
 411         atomic_t tid;
 412         int    flushing; /* flushing the work queue */
 413 };
 414
 415 struct mlx4_ib_sriov {
 416         struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
 417         struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
 418         /* when using this spinlock you should use "irq" because
 419          * it may be called from interrupt context.*/
 420         spinlock_t going_down_lock;
 421         int is_going_down;
 422
 423         struct mlx4_sriov_alias_guid alias_guid;
 424
 425         /* CM paravirtualization fields */
 426         struct list_head cm_list;
 427         spinlock_t id_map_lock;
 428         struct rb_root sl_id_map;
 429         struct idr pv_id_table;
 430 };
 431
 432 struct mlx4_ib_iboe {
 433         spinlock_t              lock;
 434         struct net_device      *netdevs[MLX4_MAX_PORTS];
 435         struct net_device      *masters[MLX4_MAX_PORTS];
 436         struct notifier_block   nb;
 437         struct notifier_block   nb_inet;
 438         struct notifier_block   nb_inet6;
 439         union ib_gid            gid_table[MLX4_MAX_PORTS][128];
 440 };
 441
 442 struct pkey_mgt {
 443         u8                      virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 444         u16                     phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 445         struct list_head        pkey_port_list[MLX4_MFUNC_MAX];
 446         struct kobject         *device_parent[MLX4_MFUNC_MAX];
 447 };
 448
 449 struct mlx4_ib_iov_sysfs_attr {
 450         void *ctx;
 451         struct kobject *kobj;
 452         unsigned long data;
 453         u32 entry_num;
 454         char name[15];
 455         struct device_attribute dentry;
 456         struct device *dev;
 457 };
 458
 459 struct mlx4_ib_iov_sysfs_attr_ar {
 460         struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
 461 };
 462
 463 struct mlx4_ib_iov_port {
 464         char name[100];
 465         u8 num;
 466         struct mlx4_ib_dev *dev;
 467         struct list_head list;
 468         struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
 469         struct ib_port_attr attr;
 470         struct kobject  *cur_port;
 471         struct kobject  *admin_alias_parent;
 472         struct kobject  *gids_parent;
 473         struct kobject  *pkeys_parent;
 474         struct kobject  *mcgs_parent;
 475         struct mlx4_ib_iov_sysfs_attr mcg_dentry;
 476 };
 477
 478 struct mlx4_ib_dev {
 479         struct ib_device        ib_dev;
 480         struct mlx4_dev        *dev;
 481         int                     num_ports;
 482         void __iomem           *uar_map;
 483
 484         struct mlx4_uar         priv_uar;
 485         u32                     priv_pdn;
 486         MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
 487
 488         struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
 489         struct ib_ah           *sm_ah[MLX4_MAX_PORTS];
 490         spinlock_t              sm_lock;
 491         struct mlx4_ib_sriov    sriov;
 492
 493         struct mutex            cap_mask_mutex;
 494         bool                    ib_active;
 495         struct mlx4_ib_iboe     iboe;
 496         int                     counters[MLX4_MAX_PORTS];
 497         int                    *eq_table;
 498         int                     eq_added;
 499         struct kobject         *iov_parent;
 500         struct kobject         *ports_parent;
 501         struct kobject         *dev_ports_parent[MLX4_MFUNC_MAX];
 502         struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
 503         struct pkey_mgt         pkeys;
 504         unsigned long *ib_uc_qpns_bitmap;
 505         int steer_qpn_count;
 506         int steer_qpn_base;
 507         int steering_support;
 508 };
 509
 510 struct ib_event_work {
 511         struct work_struct      work;
 512         struct mlx4_ib_dev      *ib_dev;
 513         struct mlx4_eqe         ib_eqe;
 514 };
 515
 516 struct mlx4_ib_qp_tunnel_init_attr {
 517         struct ib_qp_init_attr init_attr;
 518         int slave;
 519         enum ib_qp_type proxy_qp_type;
 520         u8 port;
 521 };
 522
 523 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
 524 {
 525         return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
 526 }
 527
 528 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
 529 {
 530         return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
 531 }
 532
 533 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
 534 {
 535         return container_of(ibpd, struct mlx4_ib_pd, ibpd);
 536 }
 537
 538 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
 539 {
 540         return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
 541 }
 542
 543 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
 544 {
 545         return container_of(ibcq, struct mlx4_ib_cq, ibcq);
 546 }
 547
 548 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
 549 {
 550         return container_of(mcq, struct mlx4_ib_cq, mcq);
 551 }
 552
 553 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
 554 {
 555         return container_of(ibmr, struct mlx4_ib_mr, ibmr);
 556 }
 557
 558 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
 559 {
 560         return container_of(ibmw, struct mlx4_ib_mw, ibmw);
 561 }
 562
 563 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
 564 {
 565         return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
 566 }
 567
 568 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
 569 {
 570         return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
 571 }
 572
 573 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
 574 {
 575         return container_of(ibflow, struct mlx4_ib_flow, ibflow);
 576 }
 577
 578 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
 579 {
 580         return container_of(ibqp, struct mlx4_ib_qp, ibqp);
 581 }
 582
 583 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
 584 {
 585         return container_of(mqp, struct mlx4_ib_qp, mqp);
 586 }
 587
 588 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
 589 {
 590         return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
 591 }
 592
 593 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
 594 {
 595         return container_of(msrq, struct mlx4_ib_srq, msrq);
 596 }
 597
 598 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
 599 {
 600         return container_of(ibah, struct mlx4_ib_ah, ibah);
 601 }
 602
 603 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
 604 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
 605
 606 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
 607                         struct mlx4_db *db);
 608 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
 609
 610 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
 611 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
 612                            struct ib_umem *umem);
 613 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 614                                   u64 virt_addr, int access_flags,
 615                                   struct ib_udata *udata);
 616 int mlx4_ib_dereg_mr(struct ib_mr *mr);
 617 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
 618 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
 619                     struct ib_mw_bind *mw_bind);
 620 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
 621 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
 622                                         int max_page_list_len);
 623 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
 624                                                                int page_list_len);
 625 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
 626
 627 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
 628 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
 629 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
 630                                 struct ib_ucontext *context,
 631                                 struct ib_udata *udata);
 632 int mlx4_ib_destroy_cq(struct ib_cq *cq);
 633 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
 634 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
 635 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 636 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 637
 638 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
 639 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
 640 int mlx4_ib_destroy_ah(struct ib_ah *ah);
 641
 642 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
 643                                   struct ib_srq_init_attr *init_attr,
 644                                   struct ib_udata *udata);
 645 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 646                        enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
 647 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
 648 int mlx4_ib_destroy_srq(struct ib_srq *srq);
 649 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
 650 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 651                           struct ib_recv_wr **bad_wr);
 652
 653 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
 654                                 struct ib_qp_init_attr *init_attr,
 655                                 struct ib_udata *udata);
 656 int mlx4_ib_destroy_qp(struct ib_qp *qp);
 657 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 658                       int attr_mask, struct ib_udata *udata);
 659 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
 660                      struct ib_qp_init_attr *qp_init_attr);
 661 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 662                       struct ib_send_wr **bad_wr);
 663 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 664                       struct ib_recv_wr **bad_wr);
 665
 666 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
 667                  int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
 668                  void *in_mad, void *response_mad);
 669 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 670                         struct ib_wc *in_wc, struct ib_grh *in_grh,
 671                         struct ib_mad *in_mad, struct ib_mad *out_mad);
 672 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
 673 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
 674
 675 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
 676                                   struct ib_fmr_attr *fmr_attr);
 677 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
 678                          u64 iova);
 679 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
 680 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
 681 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
 682                          struct ib_port_attr *props, int netw_view);
 683 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
 684                          u16 *pkey, int netw_view);
 685
 686 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
 687                         union ib_gid *gid, int netw_view);
 688
 689 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
 690 {
 691         u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
 692
 693         if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
 694                 return true;
 695
 696         return !!(ah->av.ib.g_slid & 0x80);
 697 }
 698
 699 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
 700 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
 701 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
 702 int mlx4_ib_mcg_init(void);
 703 void mlx4_ib_mcg_destroy(void);
 704
 705 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
 706
 707 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
 708                                   struct ib_sa_mad *sa_mad);
 709 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
 710                               struct ib_sa_mad *mad);
 711
 712 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 713                    union ib_gid *gid);
 714
 715 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
 716                             enum ib_event_type type);
 717
 718 void mlx4_ib_tunnels_update_work(struct work_struct *work);
 719
 720 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
 721                           enum ib_qp_type qpt, struct ib_wc *wc,
 722                           struct ib_grh *grh, struct ib_mad *mad);
 723 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
 724                          enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
 725                          u32 qkey, struct ib_ah_attr *attr, struct ib_mad *mad);
 726 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
 727
 728 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
 729                 struct ib_mad *mad);
 730
 731 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
 732                 struct ib_mad *mad);
 733
 734 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
 735 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
 736
 737 /* alias guid support */
 738 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
 739 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
 740 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
 741 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
 742
 743 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
 744                                           int block_num,
 745                                           u8 port_num, u8 *p_data);
 746
 747 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
 748                                          int block_num, u8 port_num,
 749                                          u8 *p_data);
 750
 751 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 752                             struct attribute *attr);
 753 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 754                              struct attribute *attr);
 755 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
 756
 757 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
 758
 759 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
 760
 761 __be64 mlx4_ib_gen_node_guid(void);
 762
 763 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
 764 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
 765 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 766                          int is_attach);
 767
 768 #endif /* MLX4_IB_H */