linux/drivers/net/ethernet/mellanox/mlx4/mlx4.h
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   1/*
   2 * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
   3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
   4 * Copyright (c) 2005, 2006, 2007 Cisco Systems.  All rights reserved.
   5 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
   6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
   7 *
   8 * This software is available to you under a choice of one of two
   9 * licenses.  You may choose to be licensed under the terms of the GNU
  10 * General Public License (GPL) Version 2, available from the file
  11 * COPYING in the main directory of this source tree, or the
  12 * OpenIB.org BSD license below:
  13 *
  14 *     Redistribution and use in source and binary forms, with or
  15 *     without modification, are permitted provided that the following
  16 *     conditions are met:
  17 *
  18 *      - Redistributions of source code must retain the above
  19 *        copyright notice, this list of conditions and the following
  20 *        disclaimer.
  21 *
  22 *      - Redistributions in binary form must reproduce the above
  23 *        copyright notice, this list of conditions and the following
  24 *        disclaimer in the documentation and/or other materials
  25 *        provided with the distribution.
  26 *
  27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  34 * SOFTWARE.
  35 */
  36
  37#ifndef MLX4_H
  38#define MLX4_H
  39
  40#include <linux/mutex.h>
  41#include <linux/radix-tree.h>
  42#include <linux/rbtree.h>
  43#include <linux/timer.h>
  44#include <linux/semaphore.h>
  45#include <linux/workqueue.h>
  46#include <linux/interrupt.h>
  47#include <linux/spinlock.h>
  48#include <net/devlink.h>
  49#include <linux/rwsem.h>
  50
  51#include <linux/mlx4/device.h>
  52#include <linux/mlx4/driver.h>
  53#include <linux/mlx4/doorbell.h>
  54#include <linux/mlx4/cmd.h>
  55#include "fw_qos.h"
  56
  57#define DRV_NAME        "mlx4_core"
  58#define PFX             DRV_NAME ": "
  59#define DRV_VERSION     "2.2-1"
  60#define DRV_RELDATE     "Feb, 2014"
  61
  62#define MLX4_FS_UDP_UC_EN               (1 << 1)
  63#define MLX4_FS_TCP_UC_EN               (1 << 2)
  64#define MLX4_FS_NUM_OF_L2_ADDR          8
  65#define MLX4_FS_MGM_LOG_ENTRY_SIZE      7
  66#define MLX4_FS_NUM_MCG                 (1 << 17)
  67
  68#define INIT_HCA_TPT_MW_ENABLE          (1 << 7)
  69
  70#define MLX4_QUERY_IF_STAT_RESET        BIT(31)
  71
  72enum {
  73        MLX4_HCR_BASE           = 0x80680,
  74        MLX4_HCR_SIZE           = 0x0001c,
  75        MLX4_CLR_INT_SIZE       = 0x00008,
  76        MLX4_SLAVE_COMM_BASE    = 0x0,
  77        MLX4_COMM_PAGESIZE      = 0x1000,
  78        MLX4_CLOCK_SIZE         = 0x00008,
  79        MLX4_COMM_CHAN_CAPS     = 0x8,
  80        MLX4_COMM_CHAN_FLAGS    = 0xc
  81};
  82
  83enum {
  84        MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10,
  85        MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7,
  86        MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12,
  87        MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE) / 16 - 2),
  88        MLX4_MTT_ENTRY_PER_SEG  = 8,
  89};
  90
  91enum {
  92        MLX4_NUM_PDS            = 1 << 15
  93};
  94
  95enum {
  96        MLX4_CMPT_TYPE_QP       = 0,
  97        MLX4_CMPT_TYPE_SRQ      = 1,
  98        MLX4_CMPT_TYPE_CQ       = 2,
  99        MLX4_CMPT_TYPE_EQ       = 3,
 100        MLX4_CMPT_NUM_TYPE
 101};
 102
 103enum {
 104        MLX4_CMPT_SHIFT         = 24,
 105        MLX4_NUM_CMPTS          = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
 106};
 107
 108enum mlx4_mpt_state {
 109        MLX4_MPT_DISABLED = 0,
 110        MLX4_MPT_EN_HW,
 111        MLX4_MPT_EN_SW
 112};
 113
 114#define MLX4_COMM_TIME          10000
 115#define MLX4_COMM_OFFLINE_TIME_OUT 30000
 116#define MLX4_COMM_CMD_NA_OP    0x0
 117
 118
 119enum {
 120        MLX4_COMM_CMD_RESET,
 121        MLX4_COMM_CMD_VHCR0,
 122        MLX4_COMM_CMD_VHCR1,
 123        MLX4_COMM_CMD_VHCR2,
 124        MLX4_COMM_CMD_VHCR_EN,
 125        MLX4_COMM_CMD_VHCR_POST,
 126        MLX4_COMM_CMD_FLR = 254
 127};
 128
 129enum {
 130        MLX4_VF_SMI_DISABLED,
 131        MLX4_VF_SMI_ENABLED
 132};
 133
 134/*The flag indicates that the slave should delay the RESET cmd*/
 135#define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
 136/*indicates how many retries will be done if we are in the middle of FLR*/
 137#define NUM_OF_RESET_RETRIES    10
 138#define SLEEP_TIME_IN_RESET     (2 * 1000)
 139enum mlx4_resource {
 140        RES_QP,
 141        RES_CQ,
 142        RES_SRQ,
 143        RES_XRCD,
 144        RES_MPT,
 145        RES_MTT,
 146        RES_MAC,
 147        RES_VLAN,
 148        RES_NPORT_ID,
 149        RES_COUNTER,
 150        RES_FS_RULE,
 151        RES_EQ,
 152        MLX4_NUM_OF_RESOURCE_TYPE
 153};
 154
 155enum mlx4_alloc_mode {
 156        RES_OP_RESERVE,
 157        RES_OP_RESERVE_AND_MAP,
 158        RES_OP_MAP_ICM,
 159};
 160
 161enum mlx4_res_tracker_free_type {
 162        RES_TR_FREE_ALL,
 163        RES_TR_FREE_SLAVES_ONLY,
 164        RES_TR_FREE_STRUCTS_ONLY,
 165};
 166
 167/*
 168 *Virtual HCR structures.
 169 * mlx4_vhcr is the sw representation, in machine endianness
 170 *
 171 * mlx4_vhcr_cmd is the formalized structure, the one that is passed
 172 * to FW to go through communication channel.
 173 * It is big endian, and has the same structure as the physical HCR
 174 * used by command interface
 175 */
 176struct mlx4_vhcr {
 177        u64     in_param;
 178        u64     out_param;
 179        u32     in_modifier;
 180        u32     errno;
 181        u16     op;
 182        u16     token;
 183        u8      op_modifier;
 184        u8      e_bit;
 185};
 186
 187struct mlx4_vhcr_cmd {
 188        __be64 in_param;
 189        __be32 in_modifier;
 190        u32 reserved1;
 191        __be64 out_param;
 192        __be16 token;
 193        u16 reserved;
 194        u8 status;
 195        u8 flags;
 196        __be16 opcode;
 197};
 198
 199struct mlx4_cmd_info {
 200        u16 opcode;
 201        bool has_inbox;
 202        bool has_outbox;
 203        bool out_is_imm;
 204        bool encode_slave_id;
 205        int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
 206                      struct mlx4_cmd_mailbox *inbox);
 207        int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
 208                       struct mlx4_cmd_mailbox *inbox,
 209                       struct mlx4_cmd_mailbox *outbox,
 210                       struct mlx4_cmd_info *cmd);
 211};
 212
 213#ifdef CONFIG_MLX4_DEBUG
 214extern int mlx4_debug_level;
 215#else /* CONFIG_MLX4_DEBUG */
 216#define mlx4_debug_level        (0)
 217#endif /* CONFIG_MLX4_DEBUG */
 218
 219#define mlx4_dbg(mdev, format, ...)                                     \
 220do {                                                                    \
 221        if (mlx4_debug_level)                                           \
 222                dev_printk(KERN_DEBUG,                                  \
 223                           &(mdev)->persist->pdev->dev, format,         \
 224                           ##__VA_ARGS__);                              \
 225} while (0)
 226
 227#define mlx4_err(mdev, format, ...)                                     \
 228        dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 229#define mlx4_info(mdev, format, ...)                                    \
 230        dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 231#define mlx4_warn(mdev, format, ...)                                    \
 232        dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 233
 234extern int mlx4_log_num_mgm_entry_size;
 235extern int log_mtts_per_seg;
 236extern int mlx4_internal_err_reset;
 237
 238#define MLX4_MAX_NUM_SLAVES     (min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
 239                                     MLX4_MFUNC_MAX))
 240#define ALL_SLAVES 0xff
 241
 242struct mlx4_bitmap {
 243        u32                     last;
 244        u32                     top;
 245        u32                     max;
 246        u32                     reserved_top;
 247        u32                     mask;
 248        u32                     avail;
 249        u32                     effective_len;
 250        spinlock_t              lock;
 251        unsigned long          *table;
 252};
 253
 254struct mlx4_buddy {
 255        unsigned long         **bits;
 256        unsigned int           *num_free;
 257        u32                     max_order;
 258        spinlock_t              lock;
 259};
 260
 261struct mlx4_icm;
 262
 263struct mlx4_icm_table {
 264        u64                     virt;
 265        int                     num_icm;
 266        u32                     num_obj;
 267        int                     obj_size;
 268        int                     lowmem;
 269        int                     coherent;
 270        struct mutex            mutex;
 271        struct mlx4_icm       **icm;
 272};
 273
 274#define MLX4_MPT_FLAG_SW_OWNS       (0xfUL << 28)
 275#define MLX4_MPT_FLAG_FREE          (0x3UL << 28)
 276#define MLX4_MPT_FLAG_MIO           (1 << 17)
 277#define MLX4_MPT_FLAG_BIND_ENABLE   (1 << 15)
 278#define MLX4_MPT_FLAG_PHYSICAL      (1 <<  9)
 279#define MLX4_MPT_FLAG_REGION        (1 <<  8)
 280
 281#define MLX4_MPT_PD_MASK            (0x1FFFFUL)
 282#define MLX4_MPT_PD_VF_MASK         (0xFE0000UL)
 283#define MLX4_MPT_PD_FLAG_FAST_REG   (1 << 27)
 284#define MLX4_MPT_PD_FLAG_RAE        (1 << 28)
 285#define MLX4_MPT_PD_FLAG_EN_INV     (3 << 24)
 286
 287#define MLX4_MPT_QP_FLAG_BOUND_QP   (1 << 7)
 288
 289#define MLX4_MPT_STATUS_SW              0xF0
 290#define MLX4_MPT_STATUS_HW              0x00
 291
 292#define MLX4_CQE_SIZE_MASK_STRIDE       0x3
 293#define MLX4_EQE_SIZE_MASK_STRIDE       0x30
 294
 295#define MLX4_EQ_ASYNC                   0
 296#define MLX4_EQ_TO_CQ_VECTOR(vector)    ((vector) - \
 297                                         !!((int)(vector) >= MLX4_EQ_ASYNC))
 298#define MLX4_CQ_TO_EQ_VECTOR(vector)    ((vector) + \
 299                                         !!((int)(vector) >= MLX4_EQ_ASYNC))
 300
 301/*
 302 * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
 303 */
 304struct mlx4_mpt_entry {
 305        __be32 flags;
 306        __be32 qpn;
 307        __be32 key;
 308        __be32 pd_flags;
 309        __be64 start;
 310        __be64 length;
 311        __be32 lkey;
 312        __be32 win_cnt;
 313        u8      reserved1[3];
 314        u8      mtt_rep;
 315        __be64 mtt_addr;
 316        __be32 mtt_sz;
 317        __be32 entity_size;
 318        __be32 first_byte_offset;
 319} __packed;
 320
 321/*
 322 * Must be packed because start is 64 bits but only aligned to 32 bits.
 323 */
 324struct mlx4_eq_context {
 325        __be32                  flags;
 326        u16                     reserved1[3];
 327        __be16                  page_offset;
 328        u8                      log_eq_size;
 329        u8                      reserved2[4];
 330        u8                      eq_period;
 331        u8                      reserved3;
 332        u8                      eq_max_count;
 333        u8                      reserved4[3];
 334        u8                      intr;
 335        u8                      log_page_size;
 336        u8                      reserved5[2];
 337        u8                      mtt_base_addr_h;
 338        __be32                  mtt_base_addr_l;
 339        u32                     reserved6[2];
 340        __be32                  consumer_index;
 341        __be32                  producer_index;
 342        u32                     reserved7[4];
 343};
 344
 345struct mlx4_cq_context {
 346        __be32                  flags;
 347        u16                     reserved1[3];
 348        __be16                  page_offset;
 349        __be32                  logsize_usrpage;
 350        __be16                  cq_period;
 351        __be16                  cq_max_count;
 352        u8                      reserved2[3];
 353        u8                      comp_eqn;
 354        u8                      log_page_size;
 355        u8                      reserved3[2];
 356        u8                      mtt_base_addr_h;
 357        __be32                  mtt_base_addr_l;
 358        __be32                  last_notified_index;
 359        __be32                  solicit_producer_index;
 360        __be32                  consumer_index;
 361        __be32                  producer_index;
 362        u32                     reserved4[2];
 363        __be64                  db_rec_addr;
 364};
 365
 366struct mlx4_srq_context {
 367        __be32                  state_logsize_srqn;
 368        u8                      logstride;
 369        u8                      reserved1;
 370        __be16                  xrcd;
 371        __be32                  pg_offset_cqn;
 372        u32                     reserved2;
 373        u8                      log_page_size;
 374        u8                      reserved3[2];
 375        u8                      mtt_base_addr_h;
 376        __be32                  mtt_base_addr_l;
 377        __be32                  pd;
 378        __be16                  limit_watermark;
 379        __be16                  wqe_cnt;
 380        u16                     reserved4;
 381        __be16                  wqe_counter;
 382        u32                     reserved5;
 383        __be64                  db_rec_addr;
 384};
 385
 386struct mlx4_eq_tasklet {
 387        struct list_head list;
 388        struct list_head process_list;
 389        struct tasklet_struct task;
 390        /* lock on completion tasklet list */
 391        spinlock_t lock;
 392};
 393
 394struct mlx4_eq {
 395        struct mlx4_dev        *dev;
 396        void __iomem           *doorbell;
 397        int                     eqn;
 398        u32                     cons_index;
 399        u16                     irq;
 400        u16                     have_irq;
 401        int                     nent;
 402        struct mlx4_buf_list   *page_list;
 403        struct mlx4_mtt         mtt;
 404        struct mlx4_eq_tasklet  tasklet_ctx;
 405        struct mlx4_active_ports actv_ports;
 406        u32                     ref_count;
 407        cpumask_var_t           affinity_mask;
 408};
 409
 410struct mlx4_slave_eqe {
 411        u8 type;
 412        u8 port;
 413        u32 param;
 414};
 415
 416struct mlx4_slave_event_eq_info {
 417        int eqn;
 418        u16 token;
 419};
 420
 421struct mlx4_profile {
 422        int                     num_qp;
 423        int                     rdmarc_per_qp;
 424        int                     num_srq;
 425        int                     num_cq;
 426        int                     num_mcg;
 427        int                     num_mpt;
 428        unsigned                num_mtt;
 429};
 430
 431struct mlx4_fw {
 432        u64                     clr_int_base;
 433        u64                     catas_offset;
 434        u64                     comm_base;
 435        u64                     clock_offset;
 436        struct mlx4_icm        *fw_icm;
 437        struct mlx4_icm        *aux_icm;
 438        u32                     catas_size;
 439        u16                     fw_pages;
 440        u8                      clr_int_bar;
 441        u8                      catas_bar;
 442        u8                      comm_bar;
 443        u8                      clock_bar;
 444};
 445
 446struct mlx4_comm {
 447        u32                     slave_write;
 448        u32                     slave_read;
 449};
 450
 451enum {
 452        MLX4_MCAST_CONFIG       = 0,
 453        MLX4_MCAST_DISABLE      = 1,
 454        MLX4_MCAST_ENABLE       = 2,
 455};
 456
 457#define VLAN_FLTR_SIZE  128
 458
 459struct mlx4_vlan_fltr {
 460        __be32 entry[VLAN_FLTR_SIZE];
 461};
 462
 463struct mlx4_mcast_entry {
 464        struct list_head list;
 465        u64 addr;
 466};
 467
 468struct mlx4_promisc_qp {
 469        struct list_head list;
 470        u32 qpn;
 471};
 472
 473struct mlx4_steer_index {
 474        struct list_head list;
 475        unsigned int index;
 476        struct list_head duplicates;
 477};
 478
 479#define MLX4_EVENT_TYPES_NUM 64
 480
 481struct mlx4_slave_state {
 482        u8 comm_toggle;
 483        u8 last_cmd;
 484        u8 init_port_mask;
 485        bool active;
 486        bool old_vlan_api;
 487        bool vst_qinq_supported;
 488        u8 function;
 489        dma_addr_t vhcr_dma;
 490        u16 user_mtu[MLX4_MAX_PORTS + 1];
 491        u16 mtu[MLX4_MAX_PORTS + 1];
 492        __be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
 493        struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
 494        struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
 495        struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
 496        /* event type to eq number lookup */
 497        struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
 498        u16 eq_pi;
 499        u16 eq_ci;
 500        spinlock_t lock;
 501        /*initialized via the kzalloc*/
 502        u8 is_slave_going_down;
 503        u32 cookie;
 504        enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
 505};
 506
 507#define MLX4_VGT 4095
 508#define NO_INDX  (-1)
 509
 510struct mlx4_vport_state {
 511        u64 mac;
 512        u16 default_vlan;
 513        u8  default_qos;
 514        __be16 vlan_proto;
 515        u32 tx_rate;
 516        bool spoofchk;
 517        u32 link_state;
 518        u8 qos_vport;
 519        __be64 guid;
 520};
 521
 522struct mlx4_vf_admin_state {
 523        struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
 524        u8 enable_smi[MLX4_MAX_PORTS + 1];
 525};
 526
 527struct mlx4_vport_oper_state {
 528        struct mlx4_vport_state state;
 529        int mac_idx;
 530        int vlan_idx;
 531};
 532
 533struct mlx4_vf_oper_state {
 534        struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
 535        u8 smi_enabled[MLX4_MAX_PORTS + 1];
 536};
 537
 538struct slave_list {
 539        struct mutex mutex;
 540        struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
 541};
 542
 543struct resource_allocator {
 544        spinlock_t alloc_lock; /* protect quotas */
 545        union {
 546                int res_reserved;
 547                int res_port_rsvd[MLX4_MAX_PORTS];
 548        };
 549        union {
 550                int res_free;
 551                int res_port_free[MLX4_MAX_PORTS];
 552        };
 553        int *quota;
 554        int *allocated;
 555        int *guaranteed;
 556};
 557
 558struct mlx4_resource_tracker {
 559        spinlock_t lock;
 560        /* tree for each resources */
 561        struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
 562        /* num_of_slave's lists, one per slave */
 563        struct slave_list *slave_list;
 564        struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
 565};
 566
 567#define SLAVE_EVENT_EQ_SIZE     128
 568struct mlx4_slave_event_eq {
 569        u32 eqn;
 570        u32 cons;
 571        u32 prod;
 572        spinlock_t event_lock;
 573        struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
 574};
 575
 576struct mlx4_qos_manager {
 577        int num_of_qos_vfs;
 578        DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
 579};
 580
 581struct mlx4_master_qp0_state {
 582        int proxy_qp0_active;
 583        int qp0_active;
 584        int port_active;
 585};
 586
 587struct mlx4_mfunc_master_ctx {
 588        struct mlx4_slave_state *slave_state;
 589        struct mlx4_vf_admin_state *vf_admin;
 590        struct mlx4_vf_oper_state *vf_oper;
 591        struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
 592        int                     init_port_ref[MLX4_MAX_PORTS + 1];
 593        u16                     max_mtu[MLX4_MAX_PORTS + 1];
 594        u16                     max_user_mtu[MLX4_MAX_PORTS + 1];
 595        u8                      pptx;
 596        u8                      pprx;
 597        int                     disable_mcast_ref[MLX4_MAX_PORTS + 1];
 598        struct mlx4_resource_tracker res_tracker;
 599        struct workqueue_struct *comm_wq;
 600        struct work_struct      comm_work;
 601        struct work_struct      slave_event_work;
 602        struct work_struct      slave_flr_event_work;
 603        spinlock_t              slave_state_lock;
 604        __be32                  comm_arm_bit_vector[4];
 605        struct mlx4_eqe         cmd_eqe;
 606        struct mlx4_slave_event_eq slave_eq;
 607        struct mutex            gen_eqe_mutex[MLX4_MFUNC_MAX];
 608        struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
 609};
 610
 611struct mlx4_mfunc {
 612        struct mlx4_comm __iomem       *comm;
 613        struct mlx4_vhcr_cmd           *vhcr;
 614        dma_addr_t                      vhcr_dma;
 615
 616        struct mlx4_mfunc_master_ctx    master;
 617};
 618
 619#define MGM_QPN_MASK       0x00FFFFFF
 620#define MGM_BLCK_LB_BIT    30
 621
 622struct mlx4_mgm {
 623        __be32                  next_gid_index;
 624        __be32                  members_count;
 625        u32                     reserved[2];
 626        u8                      gid[16];
 627        __be32                  qp[MLX4_MAX_QP_PER_MGM];
 628};
 629
 630struct mlx4_cmd {
 631        struct pci_pool        *pool;
 632        void __iomem           *hcr;
 633        struct mutex            slave_cmd_mutex;
 634        struct semaphore        poll_sem;
 635        struct semaphore        event_sem;
 636        struct rw_semaphore     switch_sem;
 637        int                     max_cmds;
 638        spinlock_t              context_lock;
 639        int                     free_head;
 640        struct mlx4_cmd_context *context;
 641        u16                     token_mask;
 642        u8                      use_events;
 643        u8                      toggle;
 644        u8                      comm_toggle;
 645        u8                      initialized;
 646};
 647
 648enum {
 649        MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
 650        MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
 651        MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
 652};
 653struct mlx4_vf_immed_vlan_work {
 654        struct work_struct      work;
 655        struct mlx4_priv        *priv;
 656        int                     flags;
 657        int                     slave;
 658        int                     vlan_ix;
 659        int                     orig_vlan_ix;
 660        u8                      port;
 661        u8                      qos;
 662        u8                      qos_vport;
 663        u16                     vlan_id;
 664        u16                     orig_vlan_id;
 665        __be16                  vlan_proto;
 666};
 667
 668
 669struct mlx4_uar_table {
 670        struct mlx4_bitmap      bitmap;
 671};
 672
 673struct mlx4_mr_table {
 674        struct mlx4_bitmap      mpt_bitmap;
 675        struct mlx4_buddy       mtt_buddy;
 676        u64                     mtt_base;
 677        u64                     mpt_base;
 678        struct mlx4_icm_table   mtt_table;
 679        struct mlx4_icm_table   dmpt_table;
 680};
 681
 682struct mlx4_cq_table {
 683        struct mlx4_bitmap      bitmap;
 684        spinlock_t              lock;
 685        struct radix_tree_root  tree;
 686        struct mlx4_icm_table   table;
 687        struct mlx4_icm_table   cmpt_table;
 688};
 689
 690struct mlx4_eq_table {
 691        struct mlx4_bitmap      bitmap;
 692        char                   *irq_names;
 693        void __iomem           *clr_int;
 694        void __iomem          **uar_map;
 695        u32                     clr_mask;
 696        struct mlx4_eq         *eq;
 697        struct mlx4_icm_table   table;
 698        struct mlx4_icm_table   cmpt_table;
 699        int                     have_irq;
 700        u8                      inta_pin;
 701};
 702
 703struct mlx4_srq_table {
 704        struct mlx4_bitmap      bitmap;
 705        spinlock_t              lock;
 706        struct radix_tree_root  tree;
 707        struct mlx4_icm_table   table;
 708        struct mlx4_icm_table   cmpt_table;
 709};
 710
 711enum mlx4_qp_table_zones {
 712        MLX4_QP_TABLE_ZONE_GENERAL,
 713        MLX4_QP_TABLE_ZONE_RSS,
 714        MLX4_QP_TABLE_ZONE_RAW_ETH,
 715        MLX4_QP_TABLE_ZONE_NUM
 716};
 717
 718struct mlx4_qp_table {
 719        struct mlx4_bitmap      *bitmap_gen;
 720        struct mlx4_zone_allocator *zones;
 721        u32                     zones_uids[MLX4_QP_TABLE_ZONE_NUM];
 722        u32                     rdmarc_base;
 723        int                     rdmarc_shift;
 724        spinlock_t              lock;
 725        struct mlx4_icm_table   qp_table;
 726        struct mlx4_icm_table   auxc_table;
 727        struct mlx4_icm_table   altc_table;
 728        struct mlx4_icm_table   rdmarc_table;
 729        struct mlx4_icm_table   cmpt_table;
 730};
 731
 732struct mlx4_mcg_table {
 733        struct mutex            mutex;
 734        struct mlx4_bitmap      bitmap;
 735        struct mlx4_icm_table   table;
 736};
 737
 738struct mlx4_catas_err {
 739        u32 __iomem            *map;
 740        struct timer_list       timer;
 741        struct list_head        list;
 742};
 743
 744#define MLX4_MAX_MAC_NUM        128
 745#define MLX4_MAC_TABLE_SIZE     (MLX4_MAX_MAC_NUM << 3)
 746
 747struct mlx4_mac_table {
 748        __be64                  entries[MLX4_MAX_MAC_NUM];
 749        int                     refs[MLX4_MAX_MAC_NUM];
 750        bool                    is_dup[MLX4_MAX_MAC_NUM];
 751        struct mutex            mutex;
 752        int                     total;
 753        int                     max;
 754};
 755
 756#define MLX4_ROCE_GID_ENTRY_SIZE        16
 757
 758struct mlx4_roce_gid_entry {
 759        u8 raw[MLX4_ROCE_GID_ENTRY_SIZE];
 760};
 761
 762struct mlx4_roce_gid_table {
 763        struct mlx4_roce_gid_entry      roce_gids[MLX4_ROCE_MAX_GIDS];
 764        struct mutex                    mutex;
 765};
 766
 767#define MLX4_MAX_VLAN_NUM       128
 768#define MLX4_VLAN_TABLE_SIZE    (MLX4_MAX_VLAN_NUM << 2)
 769
 770struct mlx4_vlan_table {
 771        __be32                  entries[MLX4_MAX_VLAN_NUM];
 772        int                     refs[MLX4_MAX_VLAN_NUM];
 773        int                     is_dup[MLX4_MAX_VLAN_NUM];
 774        struct mutex            mutex;
 775        int                     total;
 776        int                     max;
 777};
 778
 779#define SET_PORT_GEN_ALL_VALID  (MLX4_FLAG_V_MTU_MASK   | \
 780                                 MLX4_FLAG_V_PPRX_MASK  | \
 781                                 MLX4_FLAG_V_PPTX_MASK)
 782#define SET_PORT_PROMISC_SHIFT          31
 783#define SET_PORT_MC_PROMISC_SHIFT       30
 784
 785enum {
 786        MCAST_DIRECT_ONLY       = 0,
 787        MCAST_DIRECT            = 1,
 788        MCAST_DEFAULT           = 2
 789};
 790
 791
 792struct mlx4_set_port_general_context {
 793        u16 reserved1;
 794        u8 flags2;
 795        u8 flags;
 796        union {
 797                u8 ignore_fcs;
 798                u8 roce_mode;
 799        };
 800        u8 reserved2;
 801        __be16 mtu;
 802        u8 pptx;
 803        u8 pfctx;
 804        u16 reserved3;
 805        u8 pprx;
 806        u8 pfcrx;
 807        u16 reserved4;
 808        u32 reserved5;
 809        u8 phv_en;
 810        u8 reserved6[5];
 811        __be16 user_mtu;
 812};
 813
 814struct mlx4_set_port_rqp_calc_context {
 815        __be32 base_qpn;
 816        u8 rererved;
 817        u8 n_mac;
 818        u8 n_vlan;
 819        u8 n_prio;
 820        u8 reserved2[3];
 821        u8 mac_miss;
 822        u8 intra_no_vlan;
 823        u8 no_vlan;
 824        u8 intra_vlan_miss;
 825        u8 vlan_miss;
 826        u8 reserved3[3];
 827        u8 no_vlan_prio;
 828        __be32 promisc;
 829        __be32 mcast;
 830};
 831
 832struct mlx4_port_info {
 833        struct mlx4_dev        *dev;
 834        int                     port;
 835        char                    dev_name[16];
 836        struct device_attribute port_attr;
 837        enum mlx4_port_type     tmp_type;
 838        char                    dev_mtu_name[16];
 839        struct device_attribute port_mtu_attr;
 840        struct mlx4_mac_table   mac_table;
 841        struct mlx4_vlan_table  vlan_table;
 842        struct mlx4_roce_gid_table gid_table;
 843        int                     base_qpn;
 844        struct cpu_rmap         *rmap;
 845        struct devlink_port     devlink_port;
 846};
 847
 848struct mlx4_sense {
 849        struct mlx4_dev         *dev;
 850        u8                      do_sense_port[MLX4_MAX_PORTS + 1];
 851        u8                      sense_allowed[MLX4_MAX_PORTS + 1];
 852        struct delayed_work     sense_poll;
 853};
 854
 855struct mlx4_msix_ctl {
 856        DECLARE_BITMAP(pool_bm, MAX_MSIX);
 857        struct mutex    pool_lock;
 858};
 859
 860struct mlx4_steer {
 861        struct list_head promisc_qps[MLX4_NUM_STEERS];
 862        struct list_head steer_entries[MLX4_NUM_STEERS];
 863};
 864
 865enum {
 866        MLX4_PCI_DEV_IS_VF              = 1 << 0,
 867        MLX4_PCI_DEV_FORCE_SENSE_PORT   = 1 << 1,
 868};
 869
 870enum {
 871        MLX4_NO_RR      = 0,
 872        MLX4_USE_RR     = 1,
 873};
 874
 875struct mlx4_priv {
 876        struct mlx4_dev         dev;
 877
 878        struct list_head        dev_list;
 879        struct list_head        ctx_list;
 880        spinlock_t              ctx_lock;
 881
 882        int                     pci_dev_data;
 883        int                     removed;
 884
 885        struct list_head        pgdir_list;
 886        struct mutex            pgdir_mutex;
 887
 888        struct mlx4_fw          fw;
 889        struct mlx4_cmd         cmd;
 890        struct mlx4_mfunc       mfunc;
 891
 892        struct mlx4_bitmap      pd_bitmap;
 893        struct mlx4_bitmap      xrcd_bitmap;
 894        struct mlx4_uar_table   uar_table;
 895        struct mlx4_mr_table    mr_table;
 896        struct mlx4_cq_table    cq_table;
 897        struct mlx4_eq_table    eq_table;
 898        struct mlx4_srq_table   srq_table;
 899        struct mlx4_qp_table    qp_table;
 900        struct mlx4_mcg_table   mcg_table;
 901        struct mlx4_bitmap      counters_bitmap;
 902        int                     def_counter[MLX4_MAX_PORTS];
 903
 904        struct mlx4_catas_err   catas_err;
 905
 906        void __iomem           *clr_base;
 907
 908        struct mlx4_uar         driver_uar;
 909        void __iomem           *kar;
 910        struct mlx4_port_info   port[MLX4_MAX_PORTS + 1];
 911        struct mlx4_sense       sense;
 912        struct mutex            port_mutex;
 913        struct mlx4_msix_ctl    msix_ctl;
 914        struct mlx4_steer       *steer;
 915        struct list_head        bf_list;
 916        struct mutex            bf_mutex;
 917        struct io_mapping       *bf_mapping;
 918        void __iomem            *clock_mapping;
 919        int                     reserved_mtts;
 920        int                     fs_hash_mode;
 921        u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 922        struct mlx4_port_map    v2p; /* cached port mapping configuration */
 923        struct mutex            bond_mutex; /* for bond mode */
 924        __be64                  slave_node_guids[MLX4_MFUNC_MAX];
 925
 926        atomic_t                opreq_count;
 927        struct work_struct      opreq_task;
 928};
 929
 930static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
 931{
 932        return container_of(dev, struct mlx4_priv, dev);
 933}
 934
 935#define MLX4_SENSE_RANGE        (HZ * 3)
 936
 937extern struct workqueue_struct *mlx4_wq;
 938
 939u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
 940void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
 941u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
 942                            int align, u32 skip_mask);
 943void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
 944                            int use_rr);
 945u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
 946int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
 947                     u32 reserved_bot, u32 resetrved_top);
 948void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
 949
 950int mlx4_reset(struct mlx4_dev *dev);
 951
 952int mlx4_alloc_eq_table(struct mlx4_dev *dev);
 953void mlx4_free_eq_table(struct mlx4_dev *dev);
 954
 955int mlx4_init_pd_table(struct mlx4_dev *dev);
 956int mlx4_init_xrcd_table(struct mlx4_dev *dev);
 957int mlx4_init_uar_table(struct mlx4_dev *dev);
 958int mlx4_init_mr_table(struct mlx4_dev *dev);
 959int mlx4_init_eq_table(struct mlx4_dev *dev);
 960int mlx4_init_cq_table(struct mlx4_dev *dev);
 961int mlx4_init_qp_table(struct mlx4_dev *dev);
 962int mlx4_init_srq_table(struct mlx4_dev *dev);
 963int mlx4_init_mcg_table(struct mlx4_dev *dev);
 964
 965void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
 966void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
 967void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
 968void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
 969void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
 970void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
 971void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
 972void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
 973void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
 974int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp);
 975void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
 976int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
 977void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
 978int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
 979void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
 980int __mlx4_mpt_reserve(struct mlx4_dev *dev);
 981void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
 982int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp);
 983void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
 984u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
 985void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
 986
 987int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
 988                           struct mlx4_vhcr *vhcr,
 989                           struct mlx4_cmd_mailbox *inbox,
 990                           struct mlx4_cmd_mailbox *outbox,
 991                           struct mlx4_cmd_info *cmd);
 992int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
 993                           struct mlx4_vhcr *vhcr,
 994                           struct mlx4_cmd_mailbox *inbox,
 995                           struct mlx4_cmd_mailbox *outbox,
 996                           struct mlx4_cmd_info *cmd);
 997int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
 998                           struct mlx4_vhcr *vhcr,
 999                           struct mlx4_cmd_mailbox *inbox,
1000                           struct mlx4_cmd_mailbox *outbox,
1001                           struct mlx4_cmd_info *cmd);
1002int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
1003                           struct mlx4_vhcr *vhcr,
1004                           struct mlx4_cmd_mailbox *inbox,
1005                           struct mlx4_cmd_mailbox *outbox,
1006                           struct mlx4_cmd_info *cmd);
1007int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
1008                           struct mlx4_vhcr *vhcr,
1009                           struct mlx4_cmd_mailbox *inbox,
1010                           struct mlx4_cmd_mailbox *outbox,
1011                           struct mlx4_cmd_info *cmd);
1012int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1013                          struct mlx4_vhcr *vhcr,
1014                          struct mlx4_cmd_mailbox *inbox,
1015                          struct mlx4_cmd_mailbox *outbox,
1016                          struct mlx4_cmd_info *cmd);
1017int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
1018                            struct mlx4_vhcr *vhcr,
1019                            struct mlx4_cmd_mailbox *inbox,
1020                            struct mlx4_cmd_mailbox *outbox,
1021                            struct mlx4_cmd_info *cmd);
1022int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
1023                     struct mlx4_vhcr *vhcr,
1024                     struct mlx4_cmd_mailbox *inbox,
1025                     struct mlx4_cmd_mailbox *outbox,
1026                     struct mlx4_cmd_info *cmd);
1027int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1028                            int *base, u8 flags);
1029void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1030int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1031void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1032int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1033                     int start_index, int npages, u64 *page_list);
1034int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1035void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1036int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
1037                          struct mlx4_counter *data);
1038int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1039void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1040
1041void mlx4_start_catas_poll(struct mlx4_dev *dev);
1042void mlx4_stop_catas_poll(struct mlx4_dev *dev);
1043int mlx4_catas_init(struct mlx4_dev *dev);
1044void mlx4_catas_end(struct mlx4_dev *dev);
1045int mlx4_restart_one(struct pci_dev *pdev);
1046int mlx4_register_device(struct mlx4_dev *dev);
1047void mlx4_unregister_device(struct mlx4_dev *dev);
1048void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
1049                         unsigned long param);
1050
1051struct mlx4_dev_cap;
1052struct mlx4_init_hca_param;
1053
1054u64 mlx4_make_profile(struct mlx4_dev *dev,
1055                      struct mlx4_profile *request,
1056                      struct mlx4_dev_cap *dev_cap,
1057                      struct mlx4_init_hca_param *init_hca);
1058void mlx4_master_comm_channel(struct work_struct *work);
1059void mlx4_gen_slave_eqe(struct work_struct *work);
1060void mlx4_master_handle_slave_flr(struct work_struct *work);
1061
1062int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
1063                           struct mlx4_vhcr *vhcr,
1064                           struct mlx4_cmd_mailbox *inbox,
1065                           struct mlx4_cmd_mailbox *outbox,
1066                           struct mlx4_cmd_info *cmd);
1067int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
1068                          struct mlx4_vhcr *vhcr,
1069                          struct mlx4_cmd_mailbox *inbox,
1070                          struct mlx4_cmd_mailbox *outbox,
1071                          struct mlx4_cmd_info *cmd);
1072int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
1073                        struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
1074                        struct mlx4_cmd_mailbox *outbox,
1075                        struct mlx4_cmd_info *cmd);
1076int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
1077                          struct mlx4_vhcr *vhcr,
1078                          struct mlx4_cmd_mailbox *inbox,
1079                          struct mlx4_cmd_mailbox *outbox,
1080                          struct mlx4_cmd_info *cmd);
1081int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1082                            struct mlx4_vhcr *vhcr,
1083                            struct mlx4_cmd_mailbox *inbox,
1084                            struct mlx4_cmd_mailbox *outbox,
1085                          struct mlx4_cmd_info *cmd);
1086int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
1087                          struct mlx4_vhcr *vhcr,
1088                          struct mlx4_cmd_mailbox *inbox,
1089                          struct mlx4_cmd_mailbox *outbox,
1090                          struct mlx4_cmd_info *cmd);
1091int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1092                          struct mlx4_vhcr *vhcr,
1093                          struct mlx4_cmd_mailbox *inbox,
1094                          struct mlx4_cmd_mailbox *outbox,
1095                          struct mlx4_cmd_info *cmd);
1096int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1097                          struct mlx4_vhcr *vhcr,
1098                          struct mlx4_cmd_mailbox *inbox,
1099                          struct mlx4_cmd_mailbox *outbox,
1100                          struct mlx4_cmd_info *cmd);
1101int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1102                          struct mlx4_vhcr *vhcr,
1103                          struct mlx4_cmd_mailbox *inbox,
1104                          struct mlx4_cmd_mailbox *outbox,
1105                          struct mlx4_cmd_info *cmd);
1106int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1107                          struct mlx4_vhcr *vhcr,
1108                          struct mlx4_cmd_mailbox *inbox,
1109                          struct mlx4_cmd_mailbox *outbox,
1110                           struct mlx4_cmd_info *cmd);
1111int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1112                           struct mlx4_vhcr *vhcr,
1113                           struct mlx4_cmd_mailbox *inbox,
1114                           struct mlx4_cmd_mailbox *outbox,
1115                           struct mlx4_cmd_info *cmd);
1116int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1117                           struct mlx4_vhcr *vhcr,
1118                           struct mlx4_cmd_mailbox *inbox,
1119                           struct mlx4_cmd_mailbox *outbox,
1120                           struct mlx4_cmd_info *cmd);
1121int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1122                           struct mlx4_vhcr *vhcr,
1123                           struct mlx4_cmd_mailbox *inbox,
1124                           struct mlx4_cmd_mailbox *outbox,
1125                           struct mlx4_cmd_info *cmd);
1126int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1127                         struct mlx4_vhcr *vhcr,
1128                         struct mlx4_cmd_mailbox *inbox,
1129                         struct mlx4_cmd_mailbox *outbox,
1130                         struct mlx4_cmd_info *cmd);
1131int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
1132                        struct mlx4_vhcr *vhcr,
1133                        struct mlx4_cmd_mailbox *inbox,
1134                        struct mlx4_cmd_mailbox *outbox,
1135                        struct mlx4_cmd_info *cmd);
1136int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1137                             struct mlx4_vhcr *vhcr,
1138                             struct mlx4_cmd_mailbox *inbox,
1139                             struct mlx4_cmd_mailbox *outbox,
1140                             struct mlx4_cmd_info *cmd);
1141int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1142                              struct mlx4_vhcr *vhcr,
1143                              struct mlx4_cmd_mailbox *inbox,
1144                              struct mlx4_cmd_mailbox *outbox,
1145                              struct mlx4_cmd_info *cmd);
1146int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
1147                             struct mlx4_vhcr *vhcr,
1148                             struct mlx4_cmd_mailbox *inbox,
1149                             struct mlx4_cmd_mailbox *outbox,
1150                             struct mlx4_cmd_info *cmd);
1151int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1152                            struct mlx4_vhcr *vhcr,
1153                            struct mlx4_cmd_mailbox *inbox,
1154                            struct mlx4_cmd_mailbox *outbox,
1155                            struct mlx4_cmd_info *cmd);
1156int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1157                            struct mlx4_vhcr *vhcr,
1158                            struct mlx4_cmd_mailbox *inbox,
1159                            struct mlx4_cmd_mailbox *outbox,
1160                            struct mlx4_cmd_info *cmd);
1161int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1162                              struct mlx4_vhcr *vhcr,
1163                              struct mlx4_cmd_mailbox *inbox,
1164                              struct mlx4_cmd_mailbox *outbox,
1165                              struct mlx4_cmd_info *cmd);
1166int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
1167                         struct mlx4_vhcr *vhcr,
1168                         struct mlx4_cmd_mailbox *inbox,
1169                         struct mlx4_cmd_mailbox *outbox,
1170                         struct mlx4_cmd_info *cmd);
1171int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1172                            struct mlx4_vhcr *vhcr,
1173                            struct mlx4_cmd_mailbox *inbox,
1174                            struct mlx4_cmd_mailbox *outbox,
1175                            struct mlx4_cmd_info *cmd);
1176int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1177                            struct mlx4_vhcr *vhcr,
1178                            struct mlx4_cmd_mailbox *inbox,
1179                            struct mlx4_cmd_mailbox *outbox,
1180                            struct mlx4_cmd_info *cmd);
1181int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1182                            struct mlx4_vhcr *vhcr,
1183                            struct mlx4_cmd_mailbox *inbox,
1184                            struct mlx4_cmd_mailbox *outbox,
1185                            struct mlx4_cmd_info *cmd);
1186int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
1187                         struct mlx4_vhcr *vhcr,
1188                         struct mlx4_cmd_mailbox *inbox,
1189                         struct mlx4_cmd_mailbox *outbox,
1190                         struct mlx4_cmd_info *cmd);
1191int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
1192                          struct mlx4_vhcr *vhcr,
1193                          struct mlx4_cmd_mailbox *inbox,
1194                          struct mlx4_cmd_mailbox *outbox,
1195                          struct mlx4_cmd_info *cmd);
1196
1197int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
1198
1199enum {
1200        MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
1201        MLX4_CMD_CLEANUP_POOL   = 1UL << 1,
1202        MLX4_CMD_CLEANUP_HCR    = 1UL << 2,
1203        MLX4_CMD_CLEANUP_VHCR   = 1UL << 3,
1204        MLX4_CMD_CLEANUP_ALL    = (MLX4_CMD_CLEANUP_VHCR << 1) - 1
1205};
1206
1207int mlx4_cmd_init(struct mlx4_dev *dev);
1208void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
1209int mlx4_multi_func_init(struct mlx4_dev *dev);
1210int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
1211void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
1212void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
1213int mlx4_cmd_use_events(struct mlx4_dev *dev);
1214void mlx4_cmd_use_polling(struct mlx4_dev *dev);
1215
1216int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
1217                  u16 op, unsigned long timeout);
1218
1219void mlx4_cq_tasklet_cb(unsigned long data);
1220void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
1221void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
1222
1223void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
1224
1225void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
1226
1227void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
1228int mlx4_comm_internal_err(u32 slave_read);
1229
1230int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
1231                    enum mlx4_port_type *type);
1232void mlx4_do_sense_ports(struct mlx4_dev *dev,
1233                         enum mlx4_port_type *stype,
1234                         enum mlx4_port_type *defaults);
1235void mlx4_start_sense(struct mlx4_dev *dev);
1236void mlx4_stop_sense(struct mlx4_dev *dev);
1237void mlx4_sense_init(struct mlx4_dev *dev);
1238int mlx4_check_port_params(struct mlx4_dev *dev,
1239                           enum mlx4_port_type *port_type);
1240int mlx4_change_port_types(struct mlx4_dev *dev,
1241                           enum mlx4_port_type *port_types);
1242
1243void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
1244void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1245void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
1246                              struct mlx4_roce_gid_table *table);
1247void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1248int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1249int mlx4_bond_vlan_table(struct mlx4_dev *dev);
1250int mlx4_unbond_vlan_table(struct mlx4_dev *dev);
1251int mlx4_bond_mac_table(struct mlx4_dev *dev);
1252int mlx4_unbond_mac_table(struct mlx4_dev *dev);
1253
1254int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
1255/* resource tracker functions*/
1256int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1257                                    enum mlx4_resource resource_type,
1258                                    u64 resource_id, int *slave);
1259void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1260void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
1261int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1262
1263void mlx4_free_resource_tracker(struct mlx4_dev *dev,
1264                                enum mlx4_res_tracker_free_type type);
1265
1266int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1267                          struct mlx4_vhcr *vhcr,
1268                          struct mlx4_cmd_mailbox *inbox,
1269                          struct mlx4_cmd_mailbox *outbox,
1270                          struct mlx4_cmd_info *cmd);
1271int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
1272                          struct mlx4_vhcr *vhcr,
1273                          struct mlx4_cmd_mailbox *inbox,
1274                          struct mlx4_cmd_mailbox *outbox,
1275                          struct mlx4_cmd_info *cmd);
1276int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1277                           struct mlx4_vhcr *vhcr,
1278                           struct mlx4_cmd_mailbox *inbox,
1279                           struct mlx4_cmd_mailbox *outbox,
1280                           struct mlx4_cmd_info *cmd);
1281int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1282                            struct mlx4_vhcr *vhcr,
1283                            struct mlx4_cmd_mailbox *inbox,
1284                            struct mlx4_cmd_mailbox *outbox,
1285                            struct mlx4_cmd_info *cmd);
1286int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1287                               struct mlx4_vhcr *vhcr,
1288                               struct mlx4_cmd_mailbox *inbox,
1289                               struct mlx4_cmd_mailbox *outbox,
1290                               struct mlx4_cmd_info *cmd);
1291int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1292                            struct mlx4_vhcr *vhcr,
1293                            struct mlx4_cmd_mailbox *inbox,
1294                            struct mlx4_cmd_mailbox *outbox,
1295                            struct mlx4_cmd_info *cmd);
1296int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1297
1298int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1299                                    int *gid_tbl_len, int *pkey_tbl_len);
1300
1301int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1302                           struct mlx4_vhcr *vhcr,
1303                           struct mlx4_cmd_mailbox *inbox,
1304                           struct mlx4_cmd_mailbox *outbox,
1305                           struct mlx4_cmd_info *cmd);
1306
1307int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
1308                           struct mlx4_vhcr *vhcr,
1309                           struct mlx4_cmd_mailbox *inbox,
1310                           struct mlx4_cmd_mailbox *outbox,
1311                           struct mlx4_cmd_info *cmd);
1312
1313int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1314                         struct mlx4_vhcr *vhcr,
1315                         struct mlx4_cmd_mailbox *inbox,
1316                         struct mlx4_cmd_mailbox *outbox,
1317                         struct mlx4_cmd_info *cmd);
1318int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1319                          enum mlx4_protocol prot, enum mlx4_steer_type steer);
1320int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1321                          int block_mcast_loopback, enum mlx4_protocol prot,
1322                          enum mlx4_steer_type steer);
1323int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1324                              u8 gid[16], u8 port,
1325                              int block_mcast_loopback,
1326                              enum mlx4_protocol prot, u64 *reg_id);
1327int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1328                                struct mlx4_vhcr *vhcr,
1329                                struct mlx4_cmd_mailbox *inbox,
1330                                struct mlx4_cmd_mailbox *outbox,
1331                                struct mlx4_cmd_info *cmd);
1332int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1333                               struct mlx4_vhcr *vhcr,
1334                               struct mlx4_cmd_mailbox *inbox,
1335                               struct mlx4_cmd_mailbox *outbox,
1336                               struct mlx4_cmd_info *cmd);
1337int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1338                                     int port, void *buf);
1339int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
1340                                   struct mlx4_vhcr *vhcr,
1341                                   struct mlx4_cmd_mailbox *inbox,
1342                                   struct mlx4_cmd_mailbox *outbox,
1343                                struct mlx4_cmd_info *cmd);
1344int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave,
1345                            struct mlx4_vhcr *vhcr,
1346                            struct mlx4_cmd_mailbox *inbox,
1347                            struct mlx4_cmd_mailbox *outbox,
1348                            struct mlx4_cmd_info *cmd);
1349int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
1350                               struct mlx4_vhcr *vhcr,
1351                               struct mlx4_cmd_mailbox *inbox,
1352                               struct mlx4_cmd_mailbox *outbox,
1353                               struct mlx4_cmd_info *cmd);
1354int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1355                                         struct mlx4_vhcr *vhcr,
1356                                         struct mlx4_cmd_mailbox *inbox,
1357                                         struct mlx4_cmd_mailbox *outbox,
1358                                         struct mlx4_cmd_info *cmd);
1359int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
1360                                         struct mlx4_vhcr *vhcr,
1361                                         struct mlx4_cmd_mailbox *inbox,
1362                                         struct mlx4_cmd_mailbox *outbox,
1363                                         struct mlx4_cmd_info *cmd);
1364int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
1365                            struct mlx4_vhcr *vhcr,
1366                            struct mlx4_cmd_mailbox *inbox,
1367                            struct mlx4_cmd_mailbox *outbox,
1368                            struct mlx4_cmd_info *cmd);
1369
1370int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1371int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1372
1373static inline void set_param_l(u64 *arg, u32 val)
1374{
1375        *arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
1376}
1377
1378static inline void set_param_h(u64 *arg, u32 val)
1379{
1380        *arg = (*arg & 0xffffffff) | ((u64) val << 32);
1381}
1382
1383static inline u32 get_param_l(u64 *arg)
1384{
1385        return (u32) (*arg & 0xffffffff);
1386}
1387
1388static inline u32 get_param_h(u64 *arg)
1389{
1390        return (u32)(*arg >> 32);
1391}
1392
1393static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1394{
1395        return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1396}
1397
1398#define NOT_MASKED_PD_BITS 17
1399
1400void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
1401
1402void mlx4_init_quotas(struct mlx4_dev *dev);
1403
1404/* for VFs, replace zero MACs with randomly-generated MACs at driver start */
1405void mlx4_replace_zero_macs(struct mlx4_dev *dev);
1406int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
1407/* Returns the VF index of slave */
1408int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
1409int mlx4_config_mad_demux(struct mlx4_dev *dev);
1410int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
1411int mlx4_bond_fs_rules(struct mlx4_dev *dev);
1412int mlx4_unbond_fs_rules(struct mlx4_dev *dev);
1413
1414enum mlx4_zone_flags {
1415        MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO   = 1UL << 0,
1416        MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO      = 1UL << 1,
1417        MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO       = 1UL << 2,
1418        MLX4_ZONE_USE_RR                        = 1UL << 3,
1419};
1420
1421enum mlx4_zone_alloc_flags {
1422        /* No two objects could overlap between zones. UID
1423         * could be left unused. If this flag is given and
1424         * two overlapped zones are used, an object will be free'd
1425         * from the smallest possible matching zone.
1426         */
1427        MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP        = 1UL << 0,
1428};
1429
1430struct mlx4_zone_allocator;
1431
1432/* Create a new zone allocator */
1433struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);
1434
1435/* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
1436 * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
1437 * Similarly, when searching for an object to free, this offset it taken into
1438 * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
1439 * is given through the MLX4_ZONE_USE_RR flag in <flags>.
1440 * When an allocation fails, <zone_alloc> tries to allocate from other zones
1441 * according to the policy set by <flags>. <puid> is the unique identifier
1442 * received to this zone.
1443 */
1444int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
1445                      struct mlx4_bitmap *bitmap,
1446                      u32 flags,
1447                      int priority,
1448                      int offset,
1449                      u32 *puid);
1450
1451/* Remove bitmap indicated by <uid> from <zone_alloc> */
1452int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);
1453
1454/* Delete the zone allocator <zone_alloc. This function doesn't destroy
1455 * the attached bitmaps.
1456 */
1457void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);
1458
1459/* Allocate <count> objects with align <align> and skip_mask <skip_mask>
1460 * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
1461 * allocated from is returned in <puid>. If the allocation fails, a negative
1462 * number is returned. Otherwise, the offset of the first object is returned.
1463 */
1464u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
1465                            int align, u32 skip_mask, u32 *puid);
1466
1467/* Free <count> objects, start from <obj> of the uid <uid> from zone_allocator
1468 * <zones>.
1469 */
1470u32 mlx4_zone_free_entries(struct mlx4_zone_allocator *zones,
1471                           u32 uid, u32 obj, u32 count);
1472
1473/* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
1474 * specifying the uid when freeing an object, zone allocator could figure it by
1475 * itself. Other parameters are similar to mlx4_zone_free.
1476 */
1477u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);
1478
1479/* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
1480struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);
1481
1482#endif /* MLX4_H */
1483