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         /* List of qps that it serves.*/
 114         struct list_head                send_qp_list;
 115         struct list_head                recv_qp_list;
 116 };
 117
 118 struct mlx4_ib_mr {
 119         struct ib_mr            ibmr;
 120         struct mlx4_mr          mmr;
 121         struct ib_umem         *umem;
 122 };
 123
 124 struct mlx4_ib_mw {
 125         struct ib_mw            ibmw;
 126         struct mlx4_mw          mmw;
 127 };
 128
 129 struct mlx4_ib_fast_reg_page_list {
 130         struct ib_fast_reg_page_list    ibfrpl;
 131         __be64                         *mapped_page_list;
 132         dma_addr_t                      map;
 133 };
 134
 135 struct mlx4_ib_fmr {
 136         struct ib_fmr           ibfmr;
 137         struct mlx4_fmr         mfmr;
 138 };
 139
 140 #define MAX_REGS_PER_FLOW 2
 141
 142 struct mlx4_flow_reg_id {
 143         u64 id;
 144         u64 mirror;
 145 };
 146
 147 struct mlx4_ib_flow {
 148         struct ib_flow ibflow;
 149         /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
 150         struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
 151 };
 152
 153 struct mlx4_ib_wq {
 154         u64                    *wrid;
 155         spinlock_t              lock;
 156         int                     wqe_cnt;
 157         int                     max_post;
 158         int                     max_gs;
 159         int                     offset;
 160         int                     wqe_shift;
 161         unsigned                head;
 162         unsigned                tail;
 163 };
 164
 165 enum mlx4_ib_qp_flags {
 166         MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
 167         MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
 168         MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
 169         MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
 170         MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
 171         MLX4_IB_SRIOV_SQP = 1 << 31,
 172 };
 173
 174 struct mlx4_ib_gid_entry {
 175         struct list_head        list;
 176         union ib_gid            gid;
 177         int                     added;
 178         u8                      port;
 179 };
 180
 181 enum mlx4_ib_qp_type {
 182         /*
 183          * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
 184          * here (and in that order) since the MAD layer uses them as
 185          * indices into a 2-entry table.
 186          */
 187         MLX4_IB_QPT_SMI = IB_QPT_SMI,
 188         MLX4_IB_QPT_GSI = IB_QPT_GSI,
 189
 190         MLX4_IB_QPT_RC = IB_QPT_RC,
 191         MLX4_IB_QPT_UC = IB_QPT_UC,
 192         MLX4_IB_QPT_UD = IB_QPT_UD,
 193         MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
 194         MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
 195         MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
 196         MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
 197         MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
 198
 199         MLX4_IB_QPT_PROXY_SMI_OWNER     = 1 << 16,
 200         MLX4_IB_QPT_PROXY_SMI           = 1 << 17,
 201         MLX4_IB_QPT_PROXY_GSI           = 1 << 18,
 202         MLX4_IB_QPT_TUN_SMI_OWNER       = 1 << 19,
 203         MLX4_IB_QPT_TUN_SMI             = 1 << 20,
 204         MLX4_IB_QPT_TUN_GSI             = 1 << 21,
 205 };
 206
 207 #define MLX4_IB_QPT_ANY_SRIOV   (MLX4_IB_QPT_PROXY_SMI_OWNER | \
 208         MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
 209         MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
 210
 211 enum mlx4_ib_mad_ifc_flags {
 212         MLX4_MAD_IFC_IGNORE_MKEY        = 1,
 213         MLX4_MAD_IFC_IGNORE_BKEY        = 2,
 214         MLX4_MAD_IFC_IGNORE_KEYS        = (MLX4_MAD_IFC_IGNORE_MKEY |
 215                                            MLX4_MAD_IFC_IGNORE_BKEY),
 216         MLX4_MAD_IFC_NET_VIEW           = 4,
 217 };
 218
 219 enum {
 220         MLX4_NUM_TUNNEL_BUFS            = 256,
 221 };
 222
 223 struct mlx4_ib_tunnel_header {
 224         struct mlx4_av av;
 225         __be32 remote_qpn;
 226         __be32 qkey;
 227         __be16 vlan;
 228         u8 mac[6];
 229         __be16 pkey_index;
 230         u8 reserved[6];
 231 };
 232
 233 struct mlx4_ib_buf {
 234         void *addr;
 235         dma_addr_t map;
 236 };
 237
 238 struct mlx4_rcv_tunnel_hdr {
 239         __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
 240                               * 0x0 - no vlan was in the packet
 241                               * 0x01 - C-VLAN was in the packet */
 242         u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
 243         u8 reserved;
 244         __be16 pkey_index;
 245         __be16 sl_vid;
 246         __be16 slid_mac_47_32;
 247         __be32 mac_31_0;
 248 };
 249
 250 struct mlx4_ib_proxy_sqp_hdr {
 251         struct ib_grh grh;
 252         struct mlx4_rcv_tunnel_hdr tun;
 253 }  __packed;
 254
 255 struct mlx4_roce_smac_vlan_info {
 256         u64 smac;
 257         int smac_index;
 258         int smac_port;
 259         u64 candidate_smac;
 260         int candidate_smac_index;
 261         int candidate_smac_port;
 262         u16 vid;
 263         int vlan_index;
 264         int vlan_port;
 265         u16 candidate_vid;
 266         int candidate_vlan_index;
 267         int candidate_vlan_port;
 268         int update_vid;
 269 };
 270
 271 struct mlx4_ib_qp {
 272         struct ib_qp            ibqp;
 273         struct mlx4_qp          mqp;
 274         struct mlx4_buf         buf;
 275
 276         struct mlx4_db          db;
 277         struct mlx4_ib_wq       rq;
 278
 279         u32                     doorbell_qpn;
 280         __be32                  sq_signal_bits;
 281         unsigned                sq_next_wqe;
 282         int                     sq_max_wqes_per_wr;
 283         int                     sq_spare_wqes;
 284         struct mlx4_ib_wq       sq;
 285
 286         enum mlx4_ib_qp_type    mlx4_ib_qp_type;
 287         struct ib_umem         *umem;
 288         struct mlx4_mtt         mtt;
 289         int                     buf_size;
 290         struct mutex            mutex;
 291         u16                     xrcdn;
 292         u32                     flags;
 293         u8                      port;
 294         u8                      alt_port;
 295         u8                      atomic_rd_en;
 296         u8                      resp_depth;
 297         u8                      sq_no_prefetch;
 298         u8                      state;
 299         int                     mlx_type;
 300         struct list_head        gid_list;
 301         struct list_head        steering_rules;
 302         struct mlx4_ib_buf      *sqp_proxy_rcv;
 303         struct mlx4_roce_smac_vlan_info pri;
 304         struct mlx4_roce_smac_vlan_info alt;
 305         u64                     reg_id;
 306         struct list_head        qps_list;
 307         struct list_head        cq_recv_list;
 308         struct list_head        cq_send_list;
 309 };
 310
 311 struct mlx4_ib_srq {
 312         struct ib_srq           ibsrq;
 313         struct mlx4_srq         msrq;
 314         struct mlx4_buf         buf;
 315         struct mlx4_db          db;
 316         u64                    *wrid;
 317         spinlock_t              lock;
 318         int                     head;
 319         int                     tail;
 320         u16                     wqe_ctr;
 321         struct ib_umem         *umem;
 322         struct mlx4_mtt         mtt;
 323         struct mutex            mutex;
 324 };
 325
 326 struct mlx4_ib_ah {
 327         struct ib_ah            ibah;
 328         union mlx4_ext_av       av;
 329 };
 330
 331 /****************************************/
 332 /* alias guid support */
 333 /****************************************/
 334 #define NUM_PORT_ALIAS_GUID             2
 335 #define NUM_ALIAS_GUID_IN_REC           8
 336 #define NUM_ALIAS_GUID_REC_IN_PORT      16
 337 #define GUID_REC_SIZE                   8
 338 #define NUM_ALIAS_GUID_PER_PORT         128
 339 #define MLX4_NOT_SET_GUID               (0x00LL)
 340 #define MLX4_GUID_FOR_DELETE_VAL        (~(0x00LL))
 341
 342 enum mlx4_guid_alias_rec_status {
 343         MLX4_GUID_INFO_STATUS_IDLE,
 344         MLX4_GUID_INFO_STATUS_SET,
 345         MLX4_GUID_INFO_STATUS_PENDING,
 346 };
 347
 348 enum mlx4_guid_alias_rec_ownership {
 349         MLX4_GUID_DRIVER_ASSIGN,
 350         MLX4_GUID_SYSADMIN_ASSIGN,
 351         MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
 352 };
 353
 354 enum mlx4_guid_alias_rec_method {
 355         MLX4_GUID_INFO_RECORD_SET       = IB_MGMT_METHOD_SET,
 356         MLX4_GUID_INFO_RECORD_DELETE    = IB_SA_METHOD_DELETE,
 357 };
 358
 359 struct mlx4_sriov_alias_guid_info_rec_det {
 360         u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
 361         ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
 362         enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
 363         u8 method; /*set or delete*/
 364         enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
 365 };
 366
 367 struct mlx4_sriov_alias_guid_port_rec_det {
 368         struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
 369         struct workqueue_struct *wq;
 370         struct delayed_work alias_guid_work;
 371         u8 port;
 372         struct mlx4_sriov_alias_guid *parent;
 373         struct list_head cb_list;
 374 };
 375
 376 struct mlx4_sriov_alias_guid {
 377         struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
 378         spinlock_t ag_work_lock;
 379         struct ib_sa_client *sa_client;
 380 };
 381
 382 struct mlx4_ib_demux_work {
 383         struct work_struct      work;
 384         struct mlx4_ib_dev     *dev;
 385         int                     slave;
 386         int                     do_init;
 387         u8                      port;
 388
 389 };
 390
 391 struct mlx4_ib_tun_tx_buf {
 392         struct mlx4_ib_buf buf;
 393         struct ib_ah *ah;
 394 };
 395
 396 struct mlx4_ib_demux_pv_qp {
 397         struct ib_qp *qp;
 398         enum ib_qp_type proxy_qpt;
 399         struct mlx4_ib_buf *ring;
 400         struct mlx4_ib_tun_tx_buf *tx_ring;
 401         spinlock_t tx_lock;
 402         unsigned tx_ix_head;
 403         unsigned tx_ix_tail;
 404 };
 405
 406 enum mlx4_ib_demux_pv_state {
 407         DEMUX_PV_STATE_DOWN,
 408         DEMUX_PV_STATE_STARTING,
 409         DEMUX_PV_STATE_ACTIVE,
 410         DEMUX_PV_STATE_DOWNING,
 411 };
 412
 413 struct mlx4_ib_demux_pv_ctx {
 414         int port;
 415         int slave;
 416         enum mlx4_ib_demux_pv_state state;
 417         int has_smi;
 418         struct ib_device *ib_dev;
 419         struct ib_cq *cq;
 420         struct ib_pd *pd;
 421         struct ib_mr *mr;
 422         struct work_struct work;
 423         struct workqueue_struct *wq;
 424         struct mlx4_ib_demux_pv_qp qp[2];
 425 };
 426
 427 struct mlx4_ib_demux_ctx {
 428         struct ib_device *ib_dev;
 429         int port;
 430         struct workqueue_struct *wq;
 431         struct workqueue_struct *ud_wq;
 432         spinlock_t ud_lock;
 433         __be64 subnet_prefix;
 434         __be64 guid_cache[128];
 435         struct mlx4_ib_dev *dev;
 436         /* the following lock protects both mcg_table and mcg_mgid0_list */
 437         struct mutex            mcg_table_lock;
 438         struct rb_root          mcg_table;
 439         struct list_head        mcg_mgid0_list;
 440         struct workqueue_struct *mcg_wq;
 441         struct mlx4_ib_demux_pv_ctx **tun;
 442         atomic_t tid;
 443         int    flushing; /* flushing the work queue */
 444 };
 445
 446 struct mlx4_ib_sriov {
 447         struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
 448         struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
 449         /* when using this spinlock you should use "irq" because
 450          * it may be called from interrupt context.*/
 451         spinlock_t going_down_lock;
 452         int is_going_down;
 453
 454         struct mlx4_sriov_alias_guid alias_guid;
 455
 456         /* CM paravirtualization fields */
 457         struct list_head cm_list;
 458         spinlock_t id_map_lock;
 459         struct rb_root sl_id_map;
 460         struct idr pv_id_table;
 461 };
 462
 463 struct mlx4_ib_iboe {
 464         spinlock_t              lock;
 465         struct net_device      *netdevs[MLX4_MAX_PORTS];
 466         struct net_device      *masters[MLX4_MAX_PORTS];
 467         atomic64_t              mac[MLX4_MAX_PORTS];
 468         struct notifier_block   nb;
 469         struct notifier_block   nb_inet;
 470         struct notifier_block   nb_inet6;
 471         union ib_gid            gid_table[MLX4_MAX_PORTS][128];
 472 };
 473
 474 struct pkey_mgt {
 475         u8                      virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 476         u16                     phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 477         struct list_head        pkey_port_list[MLX4_MFUNC_MAX];
 478         struct kobject         *device_parent[MLX4_MFUNC_MAX];
 479 };
 480
 481 struct mlx4_ib_iov_sysfs_attr {
 482         void *ctx;
 483         struct kobject *kobj;
 484         unsigned long data;
 485         u32 entry_num;
 486         char name[15];
 487         struct device_attribute dentry;
 488         struct device *dev;
 489 };
 490
 491 struct mlx4_ib_iov_sysfs_attr_ar {
 492         struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
 493 };
 494
 495 struct mlx4_ib_iov_port {
 496         char name[100];
 497         u8 num;
 498         struct mlx4_ib_dev *dev;
 499         struct list_head list;
 500         struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
 501         struct ib_port_attr attr;
 502         struct kobject  *cur_port;
 503         struct kobject  *admin_alias_parent;
 504         struct kobject  *gids_parent;
 505         struct kobject  *pkeys_parent;
 506         struct kobject  *mcgs_parent;
 507         struct mlx4_ib_iov_sysfs_attr mcg_dentry;
 508 };
 509
 510 struct mlx4_ib_dev {
 511         struct ib_device        ib_dev;
 512         struct mlx4_dev        *dev;
 513         int                     num_ports;
 514         void __iomem           *uar_map;
 515
 516         struct mlx4_uar         priv_uar;
 517         u32                     priv_pdn;
 518         MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
 519
 520         struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
 521         struct ib_ah           *sm_ah[MLX4_MAX_PORTS];
 522         spinlock_t              sm_lock;
 523         struct mlx4_ib_sriov    sriov;
 524
 525         struct mutex            cap_mask_mutex;
 526         bool                    ib_active;
 527         struct mlx4_ib_iboe     iboe;
 528         int                     counters[MLX4_MAX_PORTS];
 529         int                    *eq_table;
 530         int                     eq_added;
 531         struct kobject         *iov_parent;
 532         struct kobject         *ports_parent;
 533         struct kobject         *dev_ports_parent[MLX4_MFUNC_MAX];
 534         struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
 535         struct pkey_mgt         pkeys;
 536         unsigned long *ib_uc_qpns_bitmap;
 537         int steer_qpn_count;
 538         int steer_qpn_base;
 539         int steering_support;
 540         struct mlx4_ib_qp      *qp1_proxy[MLX4_MAX_PORTS];
 541         /* lock when destroying qp1_proxy and getting netdev events */
 542         struct mutex            qp1_proxy_lock[MLX4_MAX_PORTS];
 543         u8                      bond_next_port;
 544         /* protect resources needed as part of reset flow */
 545         spinlock_t              reset_flow_resource_lock;
 546         struct list_head                qp_list;
 547 };
 548
 549 struct ib_event_work {
 550         struct work_struct      work;
 551         struct mlx4_ib_dev      *ib_dev;
 552         struct mlx4_eqe         ib_eqe;
 553 };
 554
 555 struct mlx4_ib_qp_tunnel_init_attr {
 556         struct ib_qp_init_attr init_attr;
 557         int slave;
 558         enum ib_qp_type proxy_qp_type;
 559         u8 port;
 560 };
 561
 562 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
 563 {
 564         return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
 565 }
 566
 567 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
 568 {
 569         return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
 570 }
 571
 572 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
 573 {
 574         return container_of(ibpd, struct mlx4_ib_pd, ibpd);
 575 }
 576
 577 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
 578 {
 579         return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
 580 }
 581
 582 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
 583 {
 584         return container_of(ibcq, struct mlx4_ib_cq, ibcq);
 585 }
 586
 587 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
 588 {
 589         return container_of(mcq, struct mlx4_ib_cq, mcq);
 590 }
 591
 592 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
 593 {
 594         return container_of(ibmr, struct mlx4_ib_mr, ibmr);
 595 }
 596
 597 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
 598 {
 599         return container_of(ibmw, struct mlx4_ib_mw, ibmw);
 600 }
 601
 602 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
 603 {
 604         return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
 605 }
 606
 607 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
 608 {
 609         return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
 610 }
 611
 612 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
 613 {
 614         return container_of(ibflow, struct mlx4_ib_flow, ibflow);
 615 }
 616
 617 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
 618 {
 619         return container_of(ibqp, struct mlx4_ib_qp, ibqp);
 620 }
 621
 622 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
 623 {
 624         return container_of(mqp, struct mlx4_ib_qp, mqp);
 625 }
 626
 627 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
 628 {
 629         return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
 630 }
 631
 632 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
 633 {
 634         return container_of(msrq, struct mlx4_ib_srq, msrq);
 635 }
 636
 637 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
 638 {
 639         return container_of(ibah, struct mlx4_ib_ah, ibah);
 640 }
 641
 642 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
 643 {
 644         dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
 645
 646         return dev->bond_next_port + 1;
 647 }
 648
 649 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
 650 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
 651
 652 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
 653                         struct mlx4_db *db);
 654 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
 655
 656 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
 657 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
 658                            struct ib_umem *umem);
 659 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 660                                   u64 virt_addr, int access_flags,
 661                                   struct ib_udata *udata);
 662 int mlx4_ib_dereg_mr(struct ib_mr *mr);
 663 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
 664 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
 665                     struct ib_mw_bind *mw_bind);
 666 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
 667 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
 668                                         int max_page_list_len);
 669 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
 670                                                                int page_list_len);
 671 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
 672
 673 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
 674 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
 675 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
 676                                 struct ib_ucontext *context,
 677                                 struct ib_udata *udata);
 678 int mlx4_ib_destroy_cq(struct ib_cq *cq);
 679 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
 680 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
 681 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 682 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 683
 684 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
 685 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
 686 int mlx4_ib_destroy_ah(struct ib_ah *ah);
 687
 688 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
 689                                   struct ib_srq_init_attr *init_attr,
 690                                   struct ib_udata *udata);
 691 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 692                        enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
 693 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
 694 int mlx4_ib_destroy_srq(struct ib_srq *srq);
 695 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
 696 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 697                           struct ib_recv_wr **bad_wr);
 698
 699 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
 700                                 struct ib_qp_init_attr *init_attr,
 701                                 struct ib_udata *udata);
 702 int mlx4_ib_destroy_qp(struct ib_qp *qp);
 703 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 704                       int attr_mask, struct ib_udata *udata);
 705 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
 706                      struct ib_qp_init_attr *qp_init_attr);
 707 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 708                       struct ib_send_wr **bad_wr);
 709 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 710                       struct ib_recv_wr **bad_wr);
 711
 712 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
 713                  int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
 714                  void *in_mad, void *response_mad);
 715 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 716                         struct ib_wc *in_wc, struct ib_grh *in_grh,
 717                         struct ib_mad *in_mad, struct ib_mad *out_mad);
 718 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
 719 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
 720
 721 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
 722                                   struct ib_fmr_attr *fmr_attr);
 723 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
 724                          u64 iova);
 725 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
 726 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
 727 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
 728                          struct ib_port_attr *props, int netw_view);
 729 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
 730                          u16 *pkey, int netw_view);
 731
 732 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
 733                         union ib_gid *gid, int netw_view);
 734
 735 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
 736 {
 737         u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
 738
 739         if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
 740                 return true;
 741
 742         return !!(ah->av.ib.g_slid & 0x80);
 743 }
 744
 745 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
 746 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
 747 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
 748 int mlx4_ib_mcg_init(void);
 749 void mlx4_ib_mcg_destroy(void);
 750
 751 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
 752
 753 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
 754                                   struct ib_sa_mad *sa_mad);
 755 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
 756                               struct ib_sa_mad *mad);
 757
 758 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 759                    union ib_gid *gid);
 760
 761 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
 762                             enum ib_event_type type);
 763
 764 void mlx4_ib_tunnels_update_work(struct work_struct *work);
 765
 766 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
 767                           enum ib_qp_type qpt, struct ib_wc *wc,
 768                           struct ib_grh *grh, struct ib_mad *mad);
 769
 770 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
 771                          enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
 772                          u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
 773                          struct ib_mad *mad);
 774
 775 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
 776
 777 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
 778                 struct ib_mad *mad);
 779
 780 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
 781                 struct ib_mad *mad);
 782
 783 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
 784 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
 785
 786 /* alias guid support */
 787 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
 788 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
 789 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
 790 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
 791
 792 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
 793                                           int block_num,
 794                                           u8 port_num, u8 *p_data);
 795
 796 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
 797                                          int block_num, u8 port_num,
 798                                          u8 *p_data);
 799
 800 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 801                             struct attribute *attr);
 802 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 803                              struct attribute *attr);
 804 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
 805
 806 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
 807
 808 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
 809
 810 __be64 mlx4_ib_gen_node_guid(void);
 811
 812 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
 813 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
 814 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 815                          int is_attach);
 816 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
 817                           u64 start, u64 length, u64 virt_addr,
 818                           int mr_access_flags, struct ib_pd *pd,
 819                           struct ib_udata *udata);
 820
 821 #endif /* MLX4_IB_H */