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
  74 enum hw_bar_type {
  75         HW_BAR_BF,
  76         HW_BAR_DB,
  77         HW_BAR_CLOCK,
  78         HW_BAR_COUNT
  79 };
  80
  81 struct mlx4_ib_vma_private_data {
  82         struct vm_area_struct *vma;
  83 };
  84
  85 struct mlx4_ib_ucontext {
  86         struct ib_ucontext      ibucontext;
  87         struct mlx4_uar         uar;
  88         struct list_head        db_page_list;
  89         struct mutex            db_page_mutex;
  90         struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT];
  91 };
  92
  93 struct mlx4_ib_pd {
  94         struct ib_pd            ibpd;
  95         u32                     pdn;
  96 };
  97
  98 struct mlx4_ib_xrcd {
  99         struct ib_xrcd          ibxrcd;
 100         u32                     xrcdn;
 101         struct ib_pd           *pd;
 102         struct ib_cq           *cq;
 103 };
 104
 105 struct mlx4_ib_cq_buf {
 106         struct mlx4_buf         buf;
 107         struct mlx4_mtt         mtt;
 108         int                     entry_size;
 109 };
 110
 111 struct mlx4_ib_cq_resize {
 112         struct mlx4_ib_cq_buf   buf;
 113         int                     cqe;
 114 };
 115
 116 struct mlx4_ib_cq {
 117         struct ib_cq            ibcq;
 118         struct mlx4_cq          mcq;
 119         struct mlx4_ib_cq_buf   buf;
 120         struct mlx4_ib_cq_resize *resize_buf;
 121         struct mlx4_db          db;
 122         spinlock_t              lock;
 123         struct mutex            resize_mutex;
 124         struct ib_umem         *umem;
 125         struct ib_umem         *resize_umem;
 126         int                     create_flags;
 127         /* List of qps that it serves.*/
 128         struct list_head                send_qp_list;
 129         struct list_head                recv_qp_list;
 130 };
 131
 132 struct mlx4_ib_mr {
 133         struct ib_mr            ibmr;
 134         struct mlx4_mr          mmr;
 135         struct ib_umem         *umem;
 136 };
 137
 138 struct mlx4_ib_mw {
 139         struct ib_mw            ibmw;
 140         struct mlx4_mw          mmw;
 141 };
 142
 143 struct mlx4_ib_fast_reg_page_list {
 144         struct ib_fast_reg_page_list    ibfrpl;
 145         __be64                         *mapped_page_list;
 146         dma_addr_t                      map;
 147 };
 148
 149 struct mlx4_ib_fmr {
 150         struct ib_fmr           ibfmr;
 151         struct mlx4_fmr         mfmr;
 152 };
 153
 154 #define MAX_REGS_PER_FLOW 2
 155
 156 struct mlx4_flow_reg_id {
 157         u64 id;
 158         u64 mirror;
 159 };
 160
 161 struct mlx4_ib_flow {
 162         struct ib_flow ibflow;
 163         /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
 164         struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
 165 };
 166
 167 struct mlx4_ib_wq {
 168         u64                    *wrid;
 169         spinlock_t              lock;
 170         int                     wqe_cnt;
 171         int                     max_post;
 172         int                     max_gs;
 173         int                     offset;
 174         int                     wqe_shift;
 175         unsigned                head;
 176         unsigned                tail;
 177 };
 178
 179 enum mlx4_ib_qp_flags {
 180         MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
 181         MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
 182         MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
 183         MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
 184         MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
 185         MLX4_IB_SRIOV_SQP = 1 << 31,
 186 };
 187
 188 struct mlx4_ib_gid_entry {
 189         struct list_head        list;
 190         union ib_gid            gid;
 191         int                     added;
 192         u8                      port;
 193 };
 194
 195 enum mlx4_ib_qp_type {
 196         /*
 197          * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
 198          * here (and in that order) since the MAD layer uses them as
 199          * indices into a 2-entry table.
 200          */
 201         MLX4_IB_QPT_SMI = IB_QPT_SMI,
 202         MLX4_IB_QPT_GSI = IB_QPT_GSI,
 203
 204         MLX4_IB_QPT_RC = IB_QPT_RC,
 205         MLX4_IB_QPT_UC = IB_QPT_UC,
 206         MLX4_IB_QPT_UD = IB_QPT_UD,
 207         MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
 208         MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
 209         MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
 210         MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
 211         MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
 212
 213         MLX4_IB_QPT_PROXY_SMI_OWNER     = 1 << 16,
 214         MLX4_IB_QPT_PROXY_SMI           = 1 << 17,
 215         MLX4_IB_QPT_PROXY_GSI           = 1 << 18,
 216         MLX4_IB_QPT_TUN_SMI_OWNER       = 1 << 19,
 217         MLX4_IB_QPT_TUN_SMI             = 1 << 20,
 218         MLX4_IB_QPT_TUN_GSI             = 1 << 21,
 219 };
 220
 221 #define MLX4_IB_QPT_ANY_SRIOV   (MLX4_IB_QPT_PROXY_SMI_OWNER | \
 222         MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
 223         MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
 224
 225 enum mlx4_ib_mad_ifc_flags {
 226         MLX4_MAD_IFC_IGNORE_MKEY        = 1,
 227         MLX4_MAD_IFC_IGNORE_BKEY        = 2,
 228         MLX4_MAD_IFC_IGNORE_KEYS        = (MLX4_MAD_IFC_IGNORE_MKEY |
 229                                            MLX4_MAD_IFC_IGNORE_BKEY),
 230         MLX4_MAD_IFC_NET_VIEW           = 4,
 231 };
 232
 233 enum {
 234         MLX4_NUM_TUNNEL_BUFS            = 256,
 235 };
 236
 237 struct mlx4_ib_tunnel_header {
 238         struct mlx4_av av;
 239         __be32 remote_qpn;
 240         __be32 qkey;
 241         __be16 vlan;
 242         u8 mac[6];
 243         __be16 pkey_index;
 244         u8 reserved[6];
 245 };
 246
 247 struct mlx4_ib_buf {
 248         void *addr;
 249         dma_addr_t map;
 250 };
 251
 252 struct mlx4_rcv_tunnel_hdr {
 253         __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
 254                               * 0x0 - no vlan was in the packet
 255                               * 0x01 - C-VLAN was in the packet */
 256         u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
 257         u8 reserved;
 258         __be16 pkey_index;
 259         __be16 sl_vid;
 260         __be16 slid_mac_47_32;
 261         __be32 mac_31_0;
 262 };
 263
 264 struct mlx4_ib_proxy_sqp_hdr {
 265         struct ib_grh grh;
 266         struct mlx4_rcv_tunnel_hdr tun;
 267 }  __packed;
 268
 269 struct mlx4_roce_smac_vlan_info {
 270         u64 smac;
 271         int smac_index;
 272         int smac_port;
 273         u64 candidate_smac;
 274         int candidate_smac_index;
 275         int candidate_smac_port;
 276         u16 vid;
 277         int vlan_index;
 278         int vlan_port;
 279         u16 candidate_vid;
 280         int candidate_vlan_index;
 281         int candidate_vlan_port;
 282         int update_vid;
 283 };
 284
 285 struct mlx4_ib_qp {
 286         struct ib_qp            ibqp;
 287         struct mlx4_qp          mqp;
 288         struct mlx4_buf         buf;
 289
 290         struct mlx4_db          db;
 291         struct mlx4_ib_wq       rq;
 292
 293         u32                     doorbell_qpn;
 294         __be32                  sq_signal_bits;
 295         unsigned                sq_next_wqe;
 296         int                     sq_max_wqes_per_wr;
 297         int                     sq_spare_wqes;
 298         struct mlx4_ib_wq       sq;
 299
 300         enum mlx4_ib_qp_type    mlx4_ib_qp_type;
 301         struct ib_umem         *umem;
 302         struct mlx4_mtt         mtt;
 303         int                     buf_size;
 304         struct mutex            mutex;
 305         u16                     xrcdn;
 306         u32                     flags;
 307         u8                      port;
 308         u8                      alt_port;
 309         u8                      atomic_rd_en;
 310         u8                      resp_depth;
 311         u8                      sq_no_prefetch;
 312         u8                      state;
 313         int                     mlx_type;
 314         struct list_head        gid_list;
 315         struct list_head        steering_rules;
 316         struct mlx4_ib_buf      *sqp_proxy_rcv;
 317         struct mlx4_roce_smac_vlan_info pri;
 318         struct mlx4_roce_smac_vlan_info alt;
 319         u64                     reg_id;
 320         struct list_head        qps_list;
 321         struct list_head        cq_recv_list;
 322         struct list_head        cq_send_list;
 323 };
 324
 325 struct mlx4_ib_srq {
 326         struct ib_srq           ibsrq;
 327         struct mlx4_srq         msrq;
 328         struct mlx4_buf         buf;
 329         struct mlx4_db          db;
 330         u64                    *wrid;
 331         spinlock_t              lock;
 332         int                     head;
 333         int                     tail;
 334         u16                     wqe_ctr;
 335         struct ib_umem         *umem;
 336         struct mlx4_mtt         mtt;
 337         struct mutex            mutex;
 338 };
 339
 340 struct mlx4_ib_ah {
 341         struct ib_ah            ibah;
 342         union mlx4_ext_av       av;
 343 };
 344
 345 /****************************************/
 346 /* alias guid support */
 347 /****************************************/
 348 #define NUM_PORT_ALIAS_GUID             2
 349 #define NUM_ALIAS_GUID_IN_REC           8
 350 #define NUM_ALIAS_GUID_REC_IN_PORT      16
 351 #define GUID_REC_SIZE                   8
 352 #define NUM_ALIAS_GUID_PER_PORT         128
 353 #define MLX4_NOT_SET_GUID               (0x00LL)
 354 #define MLX4_GUID_FOR_DELETE_VAL        (~(0x00LL))
 355
 356 enum mlx4_guid_alias_rec_status {
 357         MLX4_GUID_INFO_STATUS_IDLE,
 358         MLX4_GUID_INFO_STATUS_SET,
 359 };
 360
 361 #define GUID_STATE_NEED_PORT_INIT 0x01
 362
 363 enum mlx4_guid_alias_rec_method {
 364         MLX4_GUID_INFO_RECORD_SET       = IB_MGMT_METHOD_SET,
 365         MLX4_GUID_INFO_RECORD_DELETE    = IB_SA_METHOD_DELETE,
 366 };
 367
 368 struct mlx4_sriov_alias_guid_info_rec_det {
 369         u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
 370         ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
 371         enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
 372         unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
 373         u64 time_to_run;
 374 };
 375
 376 struct mlx4_sriov_alias_guid_port_rec_det {
 377         struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
 378         struct workqueue_struct *wq;
 379         struct delayed_work alias_guid_work;
 380         u8 port;
 381         u32 state_flags;
 382         struct mlx4_sriov_alias_guid *parent;
 383         struct list_head cb_list;
 384 };
 385
 386 struct mlx4_sriov_alias_guid {
 387         struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
 388         spinlock_t ag_work_lock;
 389         struct ib_sa_client *sa_client;
 390 };
 391
 392 struct mlx4_ib_demux_work {
 393         struct work_struct      work;
 394         struct mlx4_ib_dev     *dev;
 395         int                     slave;
 396         int                     do_init;
 397         u8                      port;
 398
 399 };
 400
 401 struct mlx4_ib_tun_tx_buf {
 402         struct mlx4_ib_buf buf;
 403         struct ib_ah *ah;
 404 };
 405
 406 struct mlx4_ib_demux_pv_qp {
 407         struct ib_qp *qp;
 408         enum ib_qp_type proxy_qpt;
 409         struct mlx4_ib_buf *ring;
 410         struct mlx4_ib_tun_tx_buf *tx_ring;
 411         spinlock_t tx_lock;
 412         unsigned tx_ix_head;
 413         unsigned tx_ix_tail;
 414 };
 415
 416 enum mlx4_ib_demux_pv_state {
 417         DEMUX_PV_STATE_DOWN,
 418         DEMUX_PV_STATE_STARTING,
 419         DEMUX_PV_STATE_ACTIVE,
 420         DEMUX_PV_STATE_DOWNING,
 421 };
 422
 423 struct mlx4_ib_demux_pv_ctx {
 424         int port;
 425         int slave;
 426         enum mlx4_ib_demux_pv_state state;
 427         int has_smi;
 428         struct ib_device *ib_dev;
 429         struct ib_cq *cq;
 430         struct ib_pd *pd;
 431         struct work_struct work;
 432         struct workqueue_struct *wq;
 433         struct mlx4_ib_demux_pv_qp qp[2];
 434 };
 435
 436 struct mlx4_ib_demux_ctx {
 437         struct ib_device *ib_dev;
 438         int port;
 439         struct workqueue_struct *wq;
 440         struct workqueue_struct *ud_wq;
 441         spinlock_t ud_lock;
 442         __be64 subnet_prefix;
 443         __be64 guid_cache[128];
 444         struct mlx4_ib_dev *dev;
 445         /* the following lock protects both mcg_table and mcg_mgid0_list */
 446         struct mutex            mcg_table_lock;
 447         struct rb_root          mcg_table;
 448         struct list_head        mcg_mgid0_list;
 449         struct workqueue_struct *mcg_wq;
 450         struct mlx4_ib_demux_pv_ctx **tun;
 451         atomic_t tid;
 452         int    flushing; /* flushing the work queue */
 453 };
 454
 455 struct mlx4_ib_sriov {
 456         struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
 457         struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
 458         /* when using this spinlock you should use "irq" because
 459          * it may be called from interrupt context.*/
 460         spinlock_t going_down_lock;
 461         int is_going_down;
 462
 463         struct mlx4_sriov_alias_guid alias_guid;
 464
 465         /* CM paravirtualization fields */
 466         struct list_head cm_list;
 467         spinlock_t id_map_lock;
 468         struct rb_root sl_id_map;
 469         struct idr pv_id_table;
 470 };
 471
 472 struct gid_cache_context {
 473         int real_index;
 474         int refcount;
 475 };
 476
 477 struct gid_entry {
 478         union ib_gid    gid;
 479         struct gid_cache_context *ctx;
 480 };
 481
 482 struct mlx4_port_gid_table {
 483         struct gid_entry gids[MLX4_MAX_PORT_GIDS];
 484 };
 485
 486 struct mlx4_ib_iboe {
 487         spinlock_t              lock;
 488         struct net_device      *netdevs[MLX4_MAX_PORTS];
 489         atomic64_t              mac[MLX4_MAX_PORTS];
 490         struct notifier_block   nb;
 491         struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
 492 };
 493
 494 struct pkey_mgt {
 495         u8                      virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 496         u16                     phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 497         struct list_head        pkey_port_list[MLX4_MFUNC_MAX];
 498         struct kobject         *device_parent[MLX4_MFUNC_MAX];
 499 };
 500
 501 struct mlx4_ib_iov_sysfs_attr {
 502         void *ctx;
 503         struct kobject *kobj;
 504         unsigned long data;
 505         u32 entry_num;
 506         char name[15];
 507         struct device_attribute dentry;
 508         struct device *dev;
 509 };
 510
 511 struct mlx4_ib_iov_sysfs_attr_ar {
 512         struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
 513 };
 514
 515 struct mlx4_ib_iov_port {
 516         char name[100];
 517         u8 num;
 518         struct mlx4_ib_dev *dev;
 519         struct list_head list;
 520         struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
 521         struct ib_port_attr attr;
 522         struct kobject  *cur_port;
 523         struct kobject  *admin_alias_parent;
 524         struct kobject  *gids_parent;
 525         struct kobject  *pkeys_parent;
 526         struct kobject  *mcgs_parent;
 527         struct mlx4_ib_iov_sysfs_attr mcg_dentry;
 528 };
 529
 530 struct counter_index {
 531         u32             index;
 532         u8              allocated;
 533 };
 534
 535 struct mlx4_ib_dev {
 536         struct ib_device        ib_dev;
 537         struct mlx4_dev        *dev;
 538         int                     num_ports;
 539         void __iomem           *uar_map;
 540
 541         struct mlx4_uar         priv_uar;
 542         u32                     priv_pdn;
 543         MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
 544
 545         struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
 546         struct ib_ah           *sm_ah[MLX4_MAX_PORTS];
 547         spinlock_t              sm_lock;
 548         struct mlx4_ib_sriov    sriov;
 549
 550         struct mutex            cap_mask_mutex;
 551         bool                    ib_active;
 552         struct mlx4_ib_iboe     iboe;
 553         struct counter_index    counters[MLX4_MAX_PORTS];
 554         int                    *eq_table;
 555         struct kobject         *iov_parent;
 556         struct kobject         *ports_parent;
 557         struct kobject         *dev_ports_parent[MLX4_MFUNC_MAX];
 558         struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
 559         struct pkey_mgt         pkeys;
 560         unsigned long *ib_uc_qpns_bitmap;
 561         int steer_qpn_count;
 562         int steer_qpn_base;
 563         int steering_support;
 564         struct mlx4_ib_qp      *qp1_proxy[MLX4_MAX_PORTS];
 565         /* lock when destroying qp1_proxy and getting netdev events */
 566         struct mutex            qp1_proxy_lock[MLX4_MAX_PORTS];
 567         u8                      bond_next_port;
 568         /* protect resources needed as part of reset flow */
 569         spinlock_t              reset_flow_resource_lock;
 570         struct list_head                qp_list;
 571 };
 572
 573 struct ib_event_work {
 574         struct work_struct      work;
 575         struct mlx4_ib_dev      *ib_dev;
 576         struct mlx4_eqe         ib_eqe;
 577 };
 578
 579 struct mlx4_ib_qp_tunnel_init_attr {
 580         struct ib_qp_init_attr init_attr;
 581         int slave;
 582         enum ib_qp_type proxy_qp_type;
 583         u8 port;
 584 };
 585
 586 struct mlx4_uverbs_ex_query_device {
 587         __u32 comp_mask;
 588         __u32 reserved;
 589 };
 590
 591 enum query_device_resp_mask {
 592         QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
 593 };
 594
 595 struct mlx4_uverbs_ex_query_device_resp {
 596         __u32 comp_mask;
 597         __u32 response_length;
 598         __u64 hca_core_clock_offset;
 599 };
 600
 601 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
 602 {
 603         return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
 604 }
 605
 606 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
 607 {
 608         return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
 609 }
 610
 611 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
 612 {
 613         return container_of(ibpd, struct mlx4_ib_pd, ibpd);
 614 }
 615
 616 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
 617 {
 618         return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
 619 }
 620
 621 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
 622 {
 623         return container_of(ibcq, struct mlx4_ib_cq, ibcq);
 624 }
 625
 626 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
 627 {
 628         return container_of(mcq, struct mlx4_ib_cq, mcq);
 629 }
 630
 631 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
 632 {
 633         return container_of(ibmr, struct mlx4_ib_mr, ibmr);
 634 }
 635
 636 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
 637 {
 638         return container_of(ibmw, struct mlx4_ib_mw, ibmw);
 639 }
 640
 641 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
 642 {
 643         return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
 644 }
 645
 646 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
 647 {
 648         return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
 649 }
 650
 651 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
 652 {
 653         return container_of(ibflow, struct mlx4_ib_flow, ibflow);
 654 }
 655
 656 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
 657 {
 658         return container_of(ibqp, struct mlx4_ib_qp, ibqp);
 659 }
 660
 661 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
 662 {
 663         return container_of(mqp, struct mlx4_ib_qp, mqp);
 664 }
 665
 666 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
 667 {
 668         return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
 669 }
 670
 671 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
 672 {
 673         return container_of(msrq, struct mlx4_ib_srq, msrq);
 674 }
 675
 676 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
 677 {
 678         return container_of(ibah, struct mlx4_ib_ah, ibah);
 679 }
 680
 681 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
 682 {
 683         dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
 684
 685         return dev->bond_next_port + 1;
 686 }
 687
 688 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
 689 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
 690
 691 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
 692                         struct mlx4_db *db);
 693 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
 694
 695 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
 696 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
 697                            struct ib_umem *umem);
 698 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 699                                   u64 virt_addr, int access_flags,
 700                                   struct ib_udata *udata);
 701 int mlx4_ib_dereg_mr(struct ib_mr *mr);
 702 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
 703 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
 704                     struct ib_mw_bind *mw_bind);
 705 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
 706 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
 707                                enum ib_mr_type mr_type,
 708                                u32 max_num_sg);
 709 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
 710                                                                int page_list_len);
 711 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
 712
 713 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
 714 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
 715 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
 716                                 const struct ib_cq_init_attr *attr,
 717                                 struct ib_ucontext *context,
 718                                 struct ib_udata *udata);
 719 int mlx4_ib_destroy_cq(struct ib_cq *cq);
 720 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
 721 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
 722 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 723 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
 724
 725 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
 726 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
 727 int mlx4_ib_destroy_ah(struct ib_ah *ah);
 728
 729 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
 730                                   struct ib_srq_init_attr *init_attr,
 731                                   struct ib_udata *udata);
 732 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
 733                        enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
 734 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
 735 int mlx4_ib_destroy_srq(struct ib_srq *srq);
 736 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
 737 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 738                           struct ib_recv_wr **bad_wr);
 739
 740 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
 741                                 struct ib_qp_init_attr *init_attr,
 742                                 struct ib_udata *udata);
 743 int mlx4_ib_destroy_qp(struct ib_qp *qp);
 744 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 745                       int attr_mask, struct ib_udata *udata);
 746 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
 747                      struct ib_qp_init_attr *qp_init_attr);
 748 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 749                       struct ib_send_wr **bad_wr);
 750 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 751                       struct ib_recv_wr **bad_wr);
 752
 753 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
 754                  int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 755                  const void *in_mad, void *response_mad);
 756 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 757                         const struct ib_wc *in_wc, const struct ib_grh *in_grh,
 758                         const struct ib_mad_hdr *in, size_t in_mad_size,
 759                         struct ib_mad_hdr *out, size_t *out_mad_size,
 760                         u16 *out_mad_pkey_index);
 761 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
 762 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
 763
 764 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
 765                                   struct ib_fmr_attr *fmr_attr);
 766 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
 767                          u64 iova);
 768 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
 769 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
 770 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
 771                          struct ib_port_attr *props, int netw_view);
 772 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
 773                          u16 *pkey, int netw_view);
 774
 775 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
 776                         union ib_gid *gid, int netw_view);
 777
 778 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
 779 {
 780         u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
 781
 782         if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
 783                 return true;
 784
 785         return !!(ah->av.ib.g_slid & 0x80);
 786 }
 787
 788 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
 789 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
 790 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
 791 int mlx4_ib_mcg_init(void);
 792 void mlx4_ib_mcg_destroy(void);
 793
 794 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
 795
 796 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
 797                                   struct ib_sa_mad *sa_mad);
 798 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
 799                               struct ib_sa_mad *mad);
 800
 801 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 802                    union ib_gid *gid);
 803
 804 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
 805                             enum ib_event_type type);
 806
 807 void mlx4_ib_tunnels_update_work(struct work_struct *work);
 808
 809 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
 810                           enum ib_qp_type qpt, struct ib_wc *wc,
 811                           struct ib_grh *grh, struct ib_mad *mad);
 812
 813 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
 814                          enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
 815                          u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
 816                          struct ib_mad *mad);
 817
 818 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
 819
 820 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
 821                 struct ib_mad *mad);
 822
 823 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
 824                 struct ib_mad *mad);
 825
 826 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
 827 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
 828
 829 /* alias guid support */
 830 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
 831 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
 832 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
 833 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
 834
 835 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
 836                                           int block_num,
 837                                           u8 port_num, u8 *p_data);
 838
 839 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
 840                                          int block_num, u8 port_num,
 841                                          u8 *p_data);
 842
 843 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 844                             struct attribute *attr);
 845 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
 846                              struct attribute *attr);
 847 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
 848 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
 849                                     int port, int slave_init);
 850
 851 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
 852
 853 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
 854
 855 __be64 mlx4_ib_gen_node_guid(void);
 856
 857 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
 858 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
 859 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 860                          int is_attach);
 861 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
 862                           u64 start, u64 length, u64 virt_addr,
 863                           int mr_access_flags, struct ib_pd *pd,
 864                           struct ib_udata *udata);
 865 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
 866                                     u8 port_num, int index);
 867
 868 #endif /* MLX4_IB_H */