drivers/net/ethernet/mellanox/mlx4/mlx4.h

   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
  50 #include <linux/mlx4/device.h>
  51 #include <linux/mlx4/driver.h>
  52 #include <linux/mlx4/doorbell.h>
  53 #include <linux/mlx4/cmd.h>
  54 #include "fw_qos.h"
  55
  56 #define DRV_NAME        "mlx4_core"
  57 #define PFX             DRV_NAME ": "
  58 #define DRV_VERSION     "2.2-1"
  59 #define DRV_RELDATE     "Feb, 2014"
  60
  61 #define MLX4_FS_UDP_UC_EN               (1 << 1)
  62 #define MLX4_FS_TCP_UC_EN               (1 << 2)
  63 #define MLX4_FS_NUM_OF_L2_ADDR          8
  64 #define MLX4_FS_MGM_LOG_ENTRY_SIZE      7
  65 #define MLX4_FS_NUM_MCG                 (1 << 17)
  66
  67 #define INIT_HCA_TPT_MW_ENABLE          (1 << 7)
  68
  69 #define MLX4_QUERY_IF_STAT_RESET        BIT(31)
  70
  71 enum {
  72         MLX4_HCR_BASE           = 0x80680,
  73         MLX4_HCR_SIZE           = 0x0001c,
  74         MLX4_CLR_INT_SIZE       = 0x00008,
  75         MLX4_SLAVE_COMM_BASE    = 0x0,
  76         MLX4_COMM_PAGESIZE      = 0x1000,
  77         MLX4_CLOCK_SIZE         = 0x00008,
  78         MLX4_COMM_CHAN_CAPS     = 0x8,
  79         MLX4_COMM_CHAN_FLAGS    = 0xc
  80 };
  81
  82 enum {
  83         MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10,
  84         MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7,
  85         MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12,
  86         MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE) / 16 - 2),
  87         MLX4_MTT_ENTRY_PER_SEG  = 8,
  88 };
  89
  90 enum {
  91         MLX4_NUM_PDS            = 1 << 15
  92 };
  93
  94 enum {
  95         MLX4_CMPT_TYPE_QP       = 0,
  96         MLX4_CMPT_TYPE_SRQ      = 1,
  97         MLX4_CMPT_TYPE_CQ       = 2,
  98         MLX4_CMPT_TYPE_EQ       = 3,
  99         MLX4_CMPT_NUM_TYPE
 100 };
 101
 102 enum {
 103         MLX4_CMPT_SHIFT         = 24,
 104         MLX4_NUM_CMPTS          = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
 105 };
 106
 107 enum mlx4_mpt_state {
 108         MLX4_MPT_DISABLED = 0,
 109         MLX4_MPT_EN_HW,
 110         MLX4_MPT_EN_SW
 111 };
 112
 113 #define MLX4_COMM_TIME          10000
 114 #define MLX4_COMM_OFFLINE_TIME_OUT 30000
 115 #define MLX4_COMM_CMD_NA_OP    0x0
 116
 117
 118 enum {
 119         MLX4_COMM_CMD_RESET,
 120         MLX4_COMM_CMD_VHCR0,
 121         MLX4_COMM_CMD_VHCR1,
 122         MLX4_COMM_CMD_VHCR2,
 123         MLX4_COMM_CMD_VHCR_EN,
 124         MLX4_COMM_CMD_VHCR_POST,
 125         MLX4_COMM_CMD_FLR = 254
 126 };
 127
 128 enum {
 129         MLX4_VF_SMI_DISABLED,
 130         MLX4_VF_SMI_ENABLED
 131 };
 132
 133 /*The flag indicates that the slave should delay the RESET cmd*/
 134 #define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
 135 /*indicates how many retries will be done if we are in the middle of FLR*/
 136 #define NUM_OF_RESET_RETRIES    10
 137 #define SLEEP_TIME_IN_RESET     (2 * 1000)
 138 enum mlx4_resource {
 139         RES_QP,
 140         RES_CQ,
 141         RES_SRQ,
 142         RES_XRCD,
 143         RES_MPT,
 144         RES_MTT,
 145         RES_MAC,
 146         RES_VLAN,
 147         RES_EQ,
 148         RES_COUNTER,
 149         RES_FS_RULE,
 150         MLX4_NUM_OF_RESOURCE_TYPE
 151 };
 152
 153 enum mlx4_alloc_mode {
 154         RES_OP_RESERVE,
 155         RES_OP_RESERVE_AND_MAP,
 156         RES_OP_MAP_ICM,
 157 };
 158
 159 enum mlx4_res_tracker_free_type {
 160         RES_TR_FREE_ALL,
 161         RES_TR_FREE_SLAVES_ONLY,
 162         RES_TR_FREE_STRUCTS_ONLY,
 163 };
 164
 165 /*
 166  *Virtual HCR structures.
 167  * mlx4_vhcr is the sw representation, in machine endianness
 168  *
 169  * mlx4_vhcr_cmd is the formalized structure, the one that is passed
 170  * to FW to go through communication channel.
 171  * It is big endian, and has the same structure as the physical HCR
 172  * used by command interface
 173  */
 174 struct mlx4_vhcr {
 175         u64     in_param;
 176         u64     out_param;
 177         u32     in_modifier;
 178         u32     errno;
 179         u16     op;
 180         u16     token;
 181         u8      op_modifier;
 182         u8      e_bit;
 183 };
 184
 185 struct mlx4_vhcr_cmd {
 186         __be64 in_param;
 187         __be32 in_modifier;
 188         u32 reserved1;
 189         __be64 out_param;
 190         __be16 token;
 191         u16 reserved;
 192         u8 status;
 193         u8 flags;
 194         __be16 opcode;
 195 };
 196
 197 struct mlx4_cmd_info {
 198         u16 opcode;
 199         bool has_inbox;
 200         bool has_outbox;
 201         bool out_is_imm;
 202         bool encode_slave_id;
 203         int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
 204                       struct mlx4_cmd_mailbox *inbox);
 205         int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
 206                        struct mlx4_cmd_mailbox *inbox,
 207                        struct mlx4_cmd_mailbox *outbox,
 208                        struct mlx4_cmd_info *cmd);
 209 };
 210
 211 #ifdef CONFIG_MLX4_DEBUG
 212 extern int mlx4_debug_level;
 213 #else /* CONFIG_MLX4_DEBUG */
 214 #define mlx4_debug_level        (0)
 215 #endif /* CONFIG_MLX4_DEBUG */
 216
 217 #define mlx4_dbg(mdev, format, ...)                                     \
 218 do {                                                                    \
 219         if (mlx4_debug_level)                                           \
 220                 dev_printk(KERN_DEBUG,                                  \
 221                            &(mdev)->persist->pdev->dev, format,         \
 222                            ##__VA_ARGS__);                              \
 223 } while (0)
 224
 225 #define mlx4_err(mdev, format, ...)                                     \
 226         dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 227 #define mlx4_info(mdev, format, ...)                                    \
 228         dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 229 #define mlx4_warn(mdev, format, ...)                                    \
 230         dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 231
 232 extern int mlx4_log_num_mgm_entry_size;
 233 extern int log_mtts_per_seg;
 234 extern int mlx4_internal_err_reset;
 235
 236 #define MLX4_MAX_NUM_SLAVES     (min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
 237                                      MLX4_MFUNC_MAX))
 238 #define ALL_SLAVES 0xff
 239
 240 struct mlx4_bitmap {
 241         u32                     last;
 242         u32                     top;
 243         u32                     max;
 244         u32                     reserved_top;
 245         u32                     mask;
 246         u32                     avail;
 247         u32                     effective_len;
 248         spinlock_t              lock;
 249         unsigned long          *table;
 250 };
 251
 252 struct mlx4_buddy {
 253         unsigned long         **bits;
 254         unsigned int           *num_free;
 255         u32                     max_order;
 256         spinlock_t              lock;
 257 };
 258
 259 struct mlx4_icm;
 260
 261 struct mlx4_icm_table {
 262         u64                     virt;
 263         int                     num_icm;
 264         u32                     num_obj;
 265         int                     obj_size;
 266         int                     lowmem;
 267         int                     coherent;
 268         struct mutex            mutex;
 269         struct mlx4_icm       **icm;
 270 };
 271
 272 #define MLX4_MPT_FLAG_SW_OWNS       (0xfUL << 28)
 273 #define MLX4_MPT_FLAG_FREE          (0x3UL << 28)
 274 #define MLX4_MPT_FLAG_MIO           (1 << 17)
 275 #define MLX4_MPT_FLAG_BIND_ENABLE   (1 << 15)
 276 #define MLX4_MPT_FLAG_PHYSICAL      (1 <<  9)
 277 #define MLX4_MPT_FLAG_REGION        (1 <<  8)
 278
 279 #define MLX4_MPT_PD_MASK            (0x1FFFFUL)
 280 #define MLX4_MPT_PD_VF_MASK         (0xFE0000UL)
 281 #define MLX4_MPT_PD_FLAG_FAST_REG   (1 << 27)
 282 #define MLX4_MPT_PD_FLAG_RAE        (1 << 28)
 283 #define MLX4_MPT_PD_FLAG_EN_INV     (3 << 24)
 284
 285 #define MLX4_MPT_QP_FLAG_BOUND_QP   (1 << 7)
 286
 287 #define MLX4_MPT_STATUS_SW              0xF0
 288 #define MLX4_MPT_STATUS_HW              0x00
 289
 290 #define MLX4_CQE_SIZE_MASK_STRIDE       0x3
 291 #define MLX4_EQE_SIZE_MASK_STRIDE       0x30
 292
 293 #define MLX4_EQ_ASYNC                   0
 294 #define MLX4_EQ_TO_CQ_VECTOR(vector)    ((vector) - \
 295                                          !!((int)(vector) >= MLX4_EQ_ASYNC))
 296 #define MLX4_CQ_TO_EQ_VECTOR(vector)    ((vector) + \
 297                                          !!((int)(vector) >= MLX4_EQ_ASYNC))
 298
 299 /*
 300  * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
 301  */
 302 struct mlx4_mpt_entry {
 303         __be32 flags;
 304         __be32 qpn;
 305         __be32 key;
 306         __be32 pd_flags;
 307         __be64 start;
 308         __be64 length;
 309         __be32 lkey;
 310         __be32 win_cnt;
 311         u8      reserved1[3];
 312         u8      mtt_rep;
 313         __be64 mtt_addr;
 314         __be32 mtt_sz;
 315         __be32 entity_size;
 316         __be32 first_byte_offset;
 317 } __packed;
 318
 319 /*
 320  * Must be packed because start is 64 bits but only aligned to 32 bits.
 321  */
 322 struct mlx4_eq_context {
 323         __be32                  flags;
 324         u16                     reserved1[3];
 325         __be16                  page_offset;
 326         u8                      log_eq_size;
 327         u8                      reserved2[4];
 328         u8                      eq_period;
 329         u8                      reserved3;
 330         u8                      eq_max_count;
 331         u8                      reserved4[3];
 332         u8                      intr;
 333         u8                      log_page_size;
 334         u8                      reserved5[2];
 335         u8                      mtt_base_addr_h;
 336         __be32                  mtt_base_addr_l;
 337         u32                     reserved6[2];
 338         __be32                  consumer_index;
 339         __be32                  producer_index;
 340         u32                     reserved7[4];
 341 };
 342
 343 struct mlx4_cq_context {
 344         __be32                  flags;
 345         u16                     reserved1[3];
 346         __be16                  page_offset;
 347         __be32                  logsize_usrpage;
 348         __be16                  cq_period;
 349         __be16                  cq_max_count;
 350         u8                      reserved2[3];
 351         u8                      comp_eqn;
 352         u8                      log_page_size;
 353         u8                      reserved3[2];
 354         u8                      mtt_base_addr_h;
 355         __be32                  mtt_base_addr_l;
 356         __be32                  last_notified_index;
 357         __be32                  solicit_producer_index;
 358         __be32                  consumer_index;
 359         __be32                  producer_index;
 360         u32                     reserved4[2];
 361         __be64                  db_rec_addr;
 362 };
 363
 364 struct mlx4_srq_context {
 365         __be32                  state_logsize_srqn;
 366         u8                      logstride;
 367         u8                      reserved1;
 368         __be16                  xrcd;
 369         __be32                  pg_offset_cqn;
 370         u32                     reserved2;
 371         u8                      log_page_size;
 372         u8                      reserved3[2];
 373         u8                      mtt_base_addr_h;
 374         __be32                  mtt_base_addr_l;
 375         __be32                  pd;
 376         __be16                  limit_watermark;
 377         __be16                  wqe_cnt;
 378         u16                     reserved4;
 379         __be16                  wqe_counter;
 380         u32                     reserved5;
 381         __be64                  db_rec_addr;
 382 };
 383
 384 struct mlx4_eq_tasklet {
 385         struct list_head list;
 386         struct list_head process_list;
 387         struct tasklet_struct task;
 388         /* lock on completion tasklet list */
 389         spinlock_t lock;
 390 };
 391
 392 struct mlx4_eq {
 393         struct mlx4_dev        *dev;
 394         void __iomem           *doorbell;
 395         int                     eqn;
 396         u32                     cons_index;
 397         u16                     irq;
 398         u16                     have_irq;
 399         int                     nent;
 400         struct mlx4_buf_list   *page_list;
 401         struct mlx4_mtt         mtt;
 402         struct mlx4_eq_tasklet  tasklet_ctx;
 403         struct mlx4_active_ports actv_ports;
 404         u32                     ref_count;
 405         cpumask_var_t           affinity_mask;
 406 };
 407
 408 struct mlx4_slave_eqe {
 409         u8 type;
 410         u8 port;
 411         u32 param;
 412 };
 413
 414 struct mlx4_slave_event_eq_info {
 415         int eqn;
 416         u16 token;
 417 };
 418
 419 struct mlx4_profile {
 420         int                     num_qp;
 421         int                     rdmarc_per_qp;
 422         int                     num_srq;
 423         int                     num_cq;
 424         int                     num_mcg;
 425         int                     num_mpt;
 426         unsigned                num_mtt;
 427 };
 428
 429 struct mlx4_fw {
 430         u64                     clr_int_base;
 431         u64                     catas_offset;
 432         u64                     comm_base;
 433         u64                     clock_offset;
 434         struct mlx4_icm        *fw_icm;
 435         struct mlx4_icm        *aux_icm;
 436         u32                     catas_size;
 437         u16                     fw_pages;
 438         u8                      clr_int_bar;
 439         u8                      catas_bar;
 440         u8                      comm_bar;
 441         u8                      clock_bar;
 442 };
 443
 444 struct mlx4_comm {
 445         u32                     slave_write;
 446         u32                     slave_read;
 447 };
 448
 449 enum {
 450         MLX4_MCAST_CONFIG       = 0,
 451         MLX4_MCAST_DISABLE      = 1,
 452         MLX4_MCAST_ENABLE       = 2,
 453 };
 454
 455 #define VLAN_FLTR_SIZE  128
 456
 457 struct mlx4_vlan_fltr {
 458         __be32 entry[VLAN_FLTR_SIZE];
 459 };
 460
 461 struct mlx4_mcast_entry {
 462         struct list_head list;
 463         u64 addr;
 464 };
 465
 466 struct mlx4_promisc_qp {
 467         struct list_head list;
 468         u32 qpn;
 469 };
 470
 471 struct mlx4_steer_index {
 472         struct list_head list;
 473         unsigned int index;
 474         struct list_head duplicates;
 475 };
 476
 477 #define MLX4_EVENT_TYPES_NUM 64
 478
 479 struct mlx4_slave_state {
 480         u8 comm_toggle;
 481         u8 last_cmd;
 482         u8 init_port_mask;
 483         bool active;
 484         bool old_vlan_api;
 485         u8 function;
 486         dma_addr_t vhcr_dma;
 487         u16 mtu[MLX4_MAX_PORTS + 1];
 488         __be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
 489         struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
 490         struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
 491         struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
 492         /* event type to eq number lookup */
 493         struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
 494         u16 eq_pi;
 495         u16 eq_ci;
 496         spinlock_t lock;
 497         /*initialized via the kzalloc*/
 498         u8 is_slave_going_down;
 499         u32 cookie;
 500         enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
 501 };
 502
 503 #define MLX4_VGT 4095
 504 #define NO_INDX  (-1)
 505
 506 struct mlx4_vport_state {
 507         u64 mac;
 508         u16 default_vlan;
 509         u8  default_qos;
 510         u32 tx_rate;
 511         bool spoofchk;
 512         u32 link_state;
 513         u8 qos_vport;
 514         __be64 guid;
 515 };
 516
 517 struct mlx4_vf_admin_state {
 518         struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
 519         u8 enable_smi[MLX4_MAX_PORTS + 1];
 520 };
 521
 522 struct mlx4_vport_oper_state {
 523         struct mlx4_vport_state state;
 524         int mac_idx;
 525         int vlan_idx;
 526 };
 527
 528 struct mlx4_vf_oper_state {
 529         struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
 530         u8 smi_enabled[MLX4_MAX_PORTS + 1];
 531 };
 532
 533 struct slave_list {
 534         struct mutex mutex;
 535         struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
 536 };
 537
 538 struct resource_allocator {
 539         spinlock_t alloc_lock; /* protect quotas */
 540         union {
 541                 int res_reserved;
 542                 int res_port_rsvd[MLX4_MAX_PORTS];
 543         };
 544         union {
 545                 int res_free;
 546                 int res_port_free[MLX4_MAX_PORTS];
 547         };
 548         int *quota;
 549         int *allocated;
 550         int *guaranteed;
 551 };
 552
 553 struct mlx4_resource_tracker {
 554         spinlock_t lock;
 555         /* tree for each resources */
 556         struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
 557         /* num_of_slave's lists, one per slave */
 558         struct slave_list *slave_list;
 559         struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
 560 };
 561
 562 #define SLAVE_EVENT_EQ_SIZE     128
 563 struct mlx4_slave_event_eq {
 564         u32 eqn;
 565         u32 cons;
 566         u32 prod;
 567         spinlock_t event_lock;
 568         struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
 569 };
 570
 571 struct mlx4_qos_manager {
 572         int num_of_qos_vfs;
 573         DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
 574 };
 575
 576 struct mlx4_master_qp0_state {
 577         int proxy_qp0_active;
 578         int qp0_active;
 579         int port_active;
 580 };
 581
 582 struct mlx4_mfunc_master_ctx {
 583         struct mlx4_slave_state *slave_state;
 584         struct mlx4_vf_admin_state *vf_admin;
 585         struct mlx4_vf_oper_state *vf_oper;
 586         struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
 587         int                     init_port_ref[MLX4_MAX_PORTS + 1];
 588         u16                     max_mtu[MLX4_MAX_PORTS + 1];
 589         u8                      pptx;
 590         u8                      pprx;
 591         int                     disable_mcast_ref[MLX4_MAX_PORTS + 1];
 592         struct mlx4_resource_tracker res_tracker;
 593         struct workqueue_struct *comm_wq;
 594         struct work_struct      comm_work;
 595         struct work_struct      slave_event_work;
 596         struct work_struct      slave_flr_event_work;
 597         spinlock_t              slave_state_lock;
 598         __be32                  comm_arm_bit_vector[4];
 599         struct mlx4_eqe         cmd_eqe;
 600         struct mlx4_slave_event_eq slave_eq;
 601         struct mutex            gen_eqe_mutex[MLX4_MFUNC_MAX];
 602         struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
 603 };
 604
 605 struct mlx4_mfunc {
 606         struct mlx4_comm __iomem       *comm;
 607         struct mlx4_vhcr_cmd           *vhcr;
 608         dma_addr_t                      vhcr_dma;
 609
 610         struct mlx4_mfunc_master_ctx    master;
 611 };
 612
 613 #define MGM_QPN_MASK       0x00FFFFFF
 614 #define MGM_BLCK_LB_BIT    30
 615
 616 struct mlx4_mgm {
 617         __be32                  next_gid_index;
 618         __be32                  members_count;
 619         u32                     reserved[2];
 620         u8                      gid[16];
 621         __be32                  qp[MLX4_MAX_QP_PER_MGM];
 622 };
 623
 624 struct mlx4_cmd {
 625         struct pci_pool        *pool;
 626         void __iomem           *hcr;
 627         struct mutex            slave_cmd_mutex;
 628         struct semaphore        poll_sem;
 629         struct semaphore        event_sem;
 630         int                     max_cmds;
 631         spinlock_t              context_lock;
 632         int                     free_head;
 633         struct mlx4_cmd_context *context;
 634         u16                     token_mask;
 635         u8                      use_events;
 636         u8                      toggle;
 637         u8                      comm_toggle;
 638         u8                      initialized;
 639 };
 640
 641 enum {
 642         MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
 643         MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
 644         MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
 645 };
 646 struct mlx4_vf_immed_vlan_work {
 647         struct work_struct      work;
 648         struct mlx4_priv        *priv;
 649         int                     flags;
 650         int                     slave;
 651         int                     vlan_ix;
 652         int                     orig_vlan_ix;
 653         u8                      port;
 654         u8                      qos;
 655         u8                      qos_vport;
 656         u16                     vlan_id;
 657         u16                     orig_vlan_id;
 658 };
 659
 660
 661 struct mlx4_uar_table {
 662         struct mlx4_bitmap      bitmap;
 663 };
 664
 665 struct mlx4_mr_table {
 666         struct mlx4_bitmap      mpt_bitmap;
 667         struct mlx4_buddy       mtt_buddy;
 668         u64                     mtt_base;
 669         u64                     mpt_base;
 670         struct mlx4_icm_table   mtt_table;
 671         struct mlx4_icm_table   dmpt_table;
 672 };
 673
 674 struct mlx4_cq_table {
 675         struct mlx4_bitmap      bitmap;
 676         spinlock_t              lock;
 677         struct radix_tree_root  tree;
 678         struct mlx4_icm_table   table;
 679         struct mlx4_icm_table   cmpt_table;
 680 };
 681
 682 struct mlx4_eq_table {
 683         struct mlx4_bitmap      bitmap;
 684         char                   *irq_names;
 685         void __iomem           *clr_int;
 686         void __iomem          **uar_map;
 687         u32                     clr_mask;
 688         struct mlx4_eq         *eq;
 689         struct mlx4_icm_table   table;
 690         struct mlx4_icm_table   cmpt_table;
 691         int                     have_irq;
 692         u8                      inta_pin;
 693 };
 694
 695 struct mlx4_srq_table {
 696         struct mlx4_bitmap      bitmap;
 697         spinlock_t              lock;
 698         struct radix_tree_root  tree;
 699         struct mlx4_icm_table   table;
 700         struct mlx4_icm_table   cmpt_table;
 701 };
 702
 703 enum mlx4_qp_table_zones {
 704         MLX4_QP_TABLE_ZONE_GENERAL,
 705         MLX4_QP_TABLE_ZONE_RSS,
 706         MLX4_QP_TABLE_ZONE_RAW_ETH,
 707         MLX4_QP_TABLE_ZONE_NUM
 708 };
 709
 710 struct mlx4_qp_table {
 711         struct mlx4_bitmap      *bitmap_gen;
 712         struct mlx4_zone_allocator *zones;
 713         u32                     zones_uids[MLX4_QP_TABLE_ZONE_NUM];
 714         u32                     rdmarc_base;
 715         int                     rdmarc_shift;
 716         spinlock_t              lock;
 717         struct mlx4_icm_table   qp_table;
 718         struct mlx4_icm_table   auxc_table;
 719         struct mlx4_icm_table   altc_table;
 720         struct mlx4_icm_table   rdmarc_table;
 721         struct mlx4_icm_table   cmpt_table;
 722 };
 723
 724 struct mlx4_mcg_table {
 725         struct mutex            mutex;
 726         struct mlx4_bitmap      bitmap;
 727         struct mlx4_icm_table   table;
 728 };
 729
 730 struct mlx4_catas_err {
 731         u32 __iomem            *map;
 732         struct timer_list       timer;
 733         struct list_head        list;
 734 };
 735
 736 #define MLX4_MAX_MAC_NUM        128
 737 #define MLX4_MAC_TABLE_SIZE     (MLX4_MAX_MAC_NUM << 3)
 738
 739 struct mlx4_mac_table {
 740         __be64                  entries[MLX4_MAX_MAC_NUM];
 741         int                     refs[MLX4_MAX_MAC_NUM];
 742         bool                    is_dup[MLX4_MAX_MAC_NUM];
 743         struct mutex            mutex;
 744         int                     total;
 745         int                     max;
 746 };
 747
 748 #define MLX4_ROCE_GID_ENTRY_SIZE        16
 749
 750 struct mlx4_roce_gid_entry {
 751         u8 raw[MLX4_ROCE_GID_ENTRY_SIZE];
 752 };
 753
 754 struct mlx4_roce_gid_table {
 755         struct mlx4_roce_gid_entry      roce_gids[MLX4_ROCE_MAX_GIDS];
 756         struct mutex                    mutex;
 757 };
 758
 759 #define MLX4_MAX_VLAN_NUM       128
 760 #define MLX4_VLAN_TABLE_SIZE    (MLX4_MAX_VLAN_NUM << 2)
 761
 762 struct mlx4_vlan_table {
 763         __be32                  entries[MLX4_MAX_VLAN_NUM];
 764         int                     refs[MLX4_MAX_VLAN_NUM];
 765         int                     is_dup[MLX4_MAX_VLAN_NUM];
 766         struct mutex            mutex;
 767         int                     total;
 768         int                     max;
 769 };
 770
 771 #define SET_PORT_GEN_ALL_VALID          0x7
 772 #define SET_PORT_PROMISC_SHIFT          31
 773 #define SET_PORT_MC_PROMISC_SHIFT       30
 774
 775 enum {
 776         MCAST_DIRECT_ONLY       = 0,
 777         MCAST_DIRECT            = 1,
 778         MCAST_DEFAULT           = 2
 779 };
 780
 781
 782 struct mlx4_set_port_general_context {
 783         u16 reserved1;
 784         u8 v_ignore_fcs;
 785         u8 flags;
 786         union {
 787                 u8 ignore_fcs;
 788                 u8 roce_mode;
 789         };
 790         u8 reserved2;
 791         __be16 mtu;
 792         u8 pptx;
 793         u8 pfctx;
 794         u16 reserved3;
 795         u8 pprx;
 796         u8 pfcrx;
 797         u16 reserved4;
 798         u32 reserved5;
 799         u8 phv_en;
 800         u8 reserved6[3];
 801 };
 802
 803 struct mlx4_set_port_rqp_calc_context {
 804         __be32 base_qpn;
 805         u8 rererved;
 806         u8 n_mac;
 807         u8 n_vlan;
 808         u8 n_prio;
 809         u8 reserved2[3];
 810         u8 mac_miss;
 811         u8 intra_no_vlan;
 812         u8 no_vlan;
 813         u8 intra_vlan_miss;
 814         u8 vlan_miss;
 815         u8 reserved3[3];
 816         u8 no_vlan_prio;
 817         __be32 promisc;
 818         __be32 mcast;
 819 };
 820
 821 struct mlx4_port_info {
 822         struct mlx4_dev        *dev;
 823         int                     port;
 824         char                    dev_name[16];
 825         struct device_attribute port_attr;
 826         enum mlx4_port_type     tmp_type;
 827         char                    dev_mtu_name[16];
 828         struct device_attribute port_mtu_attr;
 829         struct mlx4_mac_table   mac_table;
 830         struct mlx4_vlan_table  vlan_table;
 831         struct mlx4_roce_gid_table gid_table;
 832         int                     base_qpn;
 833         struct cpu_rmap         *rmap;
 834         struct devlink_port     devlink_port;
 835 };
 836
 837 struct mlx4_sense {
 838         struct mlx4_dev         *dev;
 839         u8                      do_sense_port[MLX4_MAX_PORTS + 1];
 840         u8                      sense_allowed[MLX4_MAX_PORTS + 1];
 841         struct delayed_work     sense_poll;
 842 };
 843
 844 struct mlx4_msix_ctl {
 845         DECLARE_BITMAP(pool_bm, MAX_MSIX);
 846         struct mutex    pool_lock;
 847 };
 848
 849 struct mlx4_steer {
 850         struct list_head promisc_qps[MLX4_NUM_STEERS];
 851         struct list_head steer_entries[MLX4_NUM_STEERS];
 852 };
 853
 854 enum {
 855         MLX4_PCI_DEV_IS_VF              = 1 << 0,
 856         MLX4_PCI_DEV_FORCE_SENSE_PORT   = 1 << 1,
 857 };
 858
 859 enum {
 860         MLX4_NO_RR      = 0,
 861         MLX4_USE_RR     = 1,
 862 };
 863
 864 struct mlx4_priv {
 865         struct mlx4_dev         dev;
 866
 867         struct list_head        dev_list;
 868         struct list_head        ctx_list;
 869         spinlock_t              ctx_lock;
 870
 871         int                     pci_dev_data;
 872         int                     removed;
 873
 874         struct list_head        pgdir_list;
 875         struct mutex            pgdir_mutex;
 876
 877         struct mlx4_fw          fw;
 878         struct mlx4_cmd         cmd;
 879         struct mlx4_mfunc       mfunc;
 880
 881         struct mlx4_bitmap      pd_bitmap;
 882         struct mlx4_bitmap      xrcd_bitmap;
 883         struct mlx4_uar_table   uar_table;
 884         struct mlx4_mr_table    mr_table;
 885         struct mlx4_cq_table    cq_table;
 886         struct mlx4_eq_table    eq_table;
 887         struct mlx4_srq_table   srq_table;
 888         struct mlx4_qp_table    qp_table;
 889         struct mlx4_mcg_table   mcg_table;
 890         struct mlx4_bitmap      counters_bitmap;
 891         int                     def_counter[MLX4_MAX_PORTS];
 892
 893         struct mlx4_catas_err   catas_err;
 894
 895         void __iomem           *clr_base;
 896
 897         struct mlx4_uar         driver_uar;
 898         void __iomem           *kar;
 899         struct mlx4_port_info   port[MLX4_MAX_PORTS + 1];
 900         struct mlx4_sense       sense;
 901         struct mutex            port_mutex;
 902         struct mlx4_msix_ctl    msix_ctl;
 903         struct mlx4_steer       *steer;
 904         struct list_head        bf_list;
 905         struct mutex            bf_mutex;
 906         struct io_mapping       *bf_mapping;
 907         void __iomem            *clock_mapping;
 908         int                     reserved_mtts;
 909         int                     fs_hash_mode;
 910         u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
 911         struct mlx4_port_map    v2p; /* cached port mapping configuration */
 912         struct mutex            bond_mutex; /* for bond mode */
 913         __be64                  slave_node_guids[MLX4_MFUNC_MAX];
 914
 915         atomic_t                opreq_count;
 916         struct work_struct      opreq_task;
 917 };
 918
 919 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
 920 {
 921         return container_of(dev, struct mlx4_priv, dev);
 922 }
 923
 924 #define MLX4_SENSE_RANGE        (HZ * 3)
 925
 926 extern struct workqueue_struct *mlx4_wq;
 927
 928 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
 929 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
 930 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
 931                             int align, u32 skip_mask);
 932 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
 933                             int use_rr);
 934 u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
 935 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
 936                      u32 reserved_bot, u32 resetrved_top);
 937 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
 938
 939 int mlx4_reset(struct mlx4_dev *dev);
 940
 941 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
 942 void mlx4_free_eq_table(struct mlx4_dev *dev);
 943
 944 int mlx4_init_pd_table(struct mlx4_dev *dev);
 945 int mlx4_init_xrcd_table(struct mlx4_dev *dev);
 946 int mlx4_init_uar_table(struct mlx4_dev *dev);
 947 int mlx4_init_mr_table(struct mlx4_dev *dev);
 948 int mlx4_init_eq_table(struct mlx4_dev *dev);
 949 int mlx4_init_cq_table(struct mlx4_dev *dev);
 950 int mlx4_init_qp_table(struct mlx4_dev *dev);
 951 int mlx4_init_srq_table(struct mlx4_dev *dev);
 952 int mlx4_init_mcg_table(struct mlx4_dev *dev);
 953
 954 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
 955 void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
 956 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
 957 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
 958 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
 959 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
 960 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
 961 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
 962 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
 963 int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp);
 964 void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
 965 int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
 966 void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
 967 int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
 968 void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
 969 int __mlx4_mpt_reserve(struct mlx4_dev *dev);
 970 void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
 971 int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp);
 972 void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
 973 u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
 974 void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
 975
 976 int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
 977                            struct mlx4_vhcr *vhcr,
 978                            struct mlx4_cmd_mailbox *inbox,
 979                            struct mlx4_cmd_mailbox *outbox,
 980                            struct mlx4_cmd_info *cmd);
 981 int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
 982                            struct mlx4_vhcr *vhcr,
 983                            struct mlx4_cmd_mailbox *inbox,
 984                            struct mlx4_cmd_mailbox *outbox,
 985                            struct mlx4_cmd_info *cmd);
 986 int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
 987                            struct mlx4_vhcr *vhcr,
 988                            struct mlx4_cmd_mailbox *inbox,
 989                            struct mlx4_cmd_mailbox *outbox,
 990                            struct mlx4_cmd_info *cmd);
 991 int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
 992                            struct mlx4_vhcr *vhcr,
 993                            struct mlx4_cmd_mailbox *inbox,
 994                            struct mlx4_cmd_mailbox *outbox,
 995                            struct mlx4_cmd_info *cmd);
 996 int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
 997                            struct mlx4_vhcr *vhcr,
 998                            struct mlx4_cmd_mailbox *inbox,
 999                            struct mlx4_cmd_mailbox *outbox,
1000                            struct mlx4_cmd_info *cmd);
1001 int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1002                           struct mlx4_vhcr *vhcr,
1003                           struct mlx4_cmd_mailbox *inbox,
1004                           struct mlx4_cmd_mailbox *outbox,
1005                           struct mlx4_cmd_info *cmd);
1006 int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
1007                             struct mlx4_vhcr *vhcr,
1008                             struct mlx4_cmd_mailbox *inbox,
1009                             struct mlx4_cmd_mailbox *outbox,
1010                             struct mlx4_cmd_info *cmd);
1011 int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
1012                      struct mlx4_vhcr *vhcr,
1013                      struct mlx4_cmd_mailbox *inbox,
1014                      struct mlx4_cmd_mailbox *outbox,
1015                      struct mlx4_cmd_info *cmd);
1016 int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1017                             int *base, u8 flags);
1018 void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1019 int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1020 void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1021 int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1022                      int start_index, int npages, u64 *page_list);
1023 int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1024 void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1025 int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
1026                           struct mlx4_counter *data);
1027 int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1028 void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1029
1030 void mlx4_start_catas_poll(struct mlx4_dev *dev);
1031 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
1032 int mlx4_catas_init(struct mlx4_dev *dev);
1033 void mlx4_catas_end(struct mlx4_dev *dev);
1034 int mlx4_restart_one(struct pci_dev *pdev);
1035 int mlx4_register_device(struct mlx4_dev *dev);
1036 void mlx4_unregister_device(struct mlx4_dev *dev);
1037 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
1038                          unsigned long param);
1039
1040 struct mlx4_dev_cap;
1041 struct mlx4_init_hca_param;
1042
1043 u64 mlx4_make_profile(struct mlx4_dev *dev,
1044                       struct mlx4_profile *request,
1045                       struct mlx4_dev_cap *dev_cap,
1046                       struct mlx4_init_hca_param *init_hca);
1047 void mlx4_master_comm_channel(struct work_struct *work);
1048 void mlx4_gen_slave_eqe(struct work_struct *work);
1049 void mlx4_master_handle_slave_flr(struct work_struct *work);
1050
1051 int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
1052                            struct mlx4_vhcr *vhcr,
1053                            struct mlx4_cmd_mailbox *inbox,
1054                            struct mlx4_cmd_mailbox *outbox,
1055                            struct mlx4_cmd_info *cmd);
1056 int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
1057                           struct mlx4_vhcr *vhcr,
1058                           struct mlx4_cmd_mailbox *inbox,
1059                           struct mlx4_cmd_mailbox *outbox,
1060                           struct mlx4_cmd_info *cmd);
1061 int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
1062                         struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
1063                         struct mlx4_cmd_mailbox *outbox,
1064                         struct mlx4_cmd_info *cmd);
1065 int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
1066                           struct mlx4_vhcr *vhcr,
1067                           struct mlx4_cmd_mailbox *inbox,
1068                           struct mlx4_cmd_mailbox *outbox,
1069                           struct mlx4_cmd_info *cmd);
1070 int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1071                             struct mlx4_vhcr *vhcr,
1072                             struct mlx4_cmd_mailbox *inbox,
1073                             struct mlx4_cmd_mailbox *outbox,
1074                           struct mlx4_cmd_info *cmd);
1075 int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
1076                           struct mlx4_vhcr *vhcr,
1077                           struct mlx4_cmd_mailbox *inbox,
1078                           struct mlx4_cmd_mailbox *outbox,
1079                           struct mlx4_cmd_info *cmd);
1080 int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1081                           struct mlx4_vhcr *vhcr,
1082                           struct mlx4_cmd_mailbox *inbox,
1083                           struct mlx4_cmd_mailbox *outbox,
1084                           struct mlx4_cmd_info *cmd);
1085 int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1086                           struct mlx4_vhcr *vhcr,
1087                           struct mlx4_cmd_mailbox *inbox,
1088                           struct mlx4_cmd_mailbox *outbox,
1089                           struct mlx4_cmd_info *cmd);
1090 int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1091                           struct mlx4_vhcr *vhcr,
1092                           struct mlx4_cmd_mailbox *inbox,
1093                           struct mlx4_cmd_mailbox *outbox,
1094                           struct mlx4_cmd_info *cmd);
1095 int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1096                           struct mlx4_vhcr *vhcr,
1097                           struct mlx4_cmd_mailbox *inbox,
1098                           struct mlx4_cmd_mailbox *outbox,
1099                            struct mlx4_cmd_info *cmd);
1100 int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1101                            struct mlx4_vhcr *vhcr,
1102                            struct mlx4_cmd_mailbox *inbox,
1103                            struct mlx4_cmd_mailbox *outbox,
1104                            struct mlx4_cmd_info *cmd);
1105 int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1106                            struct mlx4_vhcr *vhcr,
1107                            struct mlx4_cmd_mailbox *inbox,
1108                            struct mlx4_cmd_mailbox *outbox,
1109                            struct mlx4_cmd_info *cmd);
1110 int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1111                            struct mlx4_vhcr *vhcr,
1112                            struct mlx4_cmd_mailbox *inbox,
1113                            struct mlx4_cmd_mailbox *outbox,
1114                            struct mlx4_cmd_info *cmd);
1115 int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1116                          struct mlx4_vhcr *vhcr,
1117                          struct mlx4_cmd_mailbox *inbox,
1118                          struct mlx4_cmd_mailbox *outbox,
1119                          struct mlx4_cmd_info *cmd);
1120 int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
1121                         struct mlx4_vhcr *vhcr,
1122                         struct mlx4_cmd_mailbox *inbox,
1123                         struct mlx4_cmd_mailbox *outbox,
1124                         struct mlx4_cmd_info *cmd);
1125 int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1126                              struct mlx4_vhcr *vhcr,
1127                              struct mlx4_cmd_mailbox *inbox,
1128                              struct mlx4_cmd_mailbox *outbox,
1129                              struct mlx4_cmd_info *cmd);
1130 int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1131                               struct mlx4_vhcr *vhcr,
1132                               struct mlx4_cmd_mailbox *inbox,
1133                               struct mlx4_cmd_mailbox *outbox,
1134                               struct mlx4_cmd_info *cmd);
1135 int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
1136                              struct mlx4_vhcr *vhcr,
1137                              struct mlx4_cmd_mailbox *inbox,
1138                              struct mlx4_cmd_mailbox *outbox,
1139                              struct mlx4_cmd_info *cmd);
1140 int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1141                             struct mlx4_vhcr *vhcr,
1142                             struct mlx4_cmd_mailbox *inbox,
1143                             struct mlx4_cmd_mailbox *outbox,
1144                             struct mlx4_cmd_info *cmd);
1145 int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1146                             struct mlx4_vhcr *vhcr,
1147                             struct mlx4_cmd_mailbox *inbox,
1148                             struct mlx4_cmd_mailbox *outbox,
1149                             struct mlx4_cmd_info *cmd);
1150 int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1151                               struct mlx4_vhcr *vhcr,
1152                               struct mlx4_cmd_mailbox *inbox,
1153                               struct mlx4_cmd_mailbox *outbox,
1154                               struct mlx4_cmd_info *cmd);
1155 int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
1156                          struct mlx4_vhcr *vhcr,
1157                          struct mlx4_cmd_mailbox *inbox,
1158                          struct mlx4_cmd_mailbox *outbox,
1159                          struct mlx4_cmd_info *cmd);
1160 int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1161                             struct mlx4_vhcr *vhcr,
1162                             struct mlx4_cmd_mailbox *inbox,
1163                             struct mlx4_cmd_mailbox *outbox,
1164                             struct mlx4_cmd_info *cmd);
1165 int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1166                             struct mlx4_vhcr *vhcr,
1167                             struct mlx4_cmd_mailbox *inbox,
1168                             struct mlx4_cmd_mailbox *outbox,
1169                             struct mlx4_cmd_info *cmd);
1170 int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1171                             struct mlx4_vhcr *vhcr,
1172                             struct mlx4_cmd_mailbox *inbox,
1173                             struct mlx4_cmd_mailbox *outbox,
1174                             struct mlx4_cmd_info *cmd);
1175 int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
1176                          struct mlx4_vhcr *vhcr,
1177                          struct mlx4_cmd_mailbox *inbox,
1178                          struct mlx4_cmd_mailbox *outbox,
1179                          struct mlx4_cmd_info *cmd);
1180 int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
1181                           struct mlx4_vhcr *vhcr,
1182                           struct mlx4_cmd_mailbox *inbox,
1183                           struct mlx4_cmd_mailbox *outbox,
1184                           struct mlx4_cmd_info *cmd);
1185
1186 int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
1187
1188 enum {
1189         MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
1190         MLX4_CMD_CLEANUP_POOL   = 1UL << 1,
1191         MLX4_CMD_CLEANUP_HCR    = 1UL << 2,
1192         MLX4_CMD_CLEANUP_VHCR   = 1UL << 3,
1193         MLX4_CMD_CLEANUP_ALL    = (MLX4_CMD_CLEANUP_VHCR << 1) - 1
1194 };
1195
1196 int mlx4_cmd_init(struct mlx4_dev *dev);
1197 void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
1198 int mlx4_multi_func_init(struct mlx4_dev *dev);
1199 int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
1200 void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
1201 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
1202 int mlx4_cmd_use_events(struct mlx4_dev *dev);
1203 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
1204
1205 int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
1206                   u16 op, unsigned long timeout);
1207
1208 void mlx4_cq_tasklet_cb(unsigned long data);
1209 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
1210 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
1211
1212 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
1213
1214 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
1215
1216 void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
1217
1218 int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
1219                     enum mlx4_port_type *type);
1220 void mlx4_do_sense_ports(struct mlx4_dev *dev,
1221                          enum mlx4_port_type *stype,
1222                          enum mlx4_port_type *defaults);
1223 void mlx4_start_sense(struct mlx4_dev *dev);
1224 void mlx4_stop_sense(struct mlx4_dev *dev);
1225 void mlx4_sense_init(struct mlx4_dev *dev);
1226 int mlx4_check_port_params(struct mlx4_dev *dev,
1227                            enum mlx4_port_type *port_type);
1228 int mlx4_change_port_types(struct mlx4_dev *dev,
1229                            enum mlx4_port_type *port_types);
1230
1231 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
1232 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1233 void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
1234                               struct mlx4_roce_gid_table *table);
1235 void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1236 int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1237 int mlx4_bond_vlan_table(struct mlx4_dev *dev);
1238 int mlx4_unbond_vlan_table(struct mlx4_dev *dev);
1239 int mlx4_bond_mac_table(struct mlx4_dev *dev);
1240 int mlx4_unbond_mac_table(struct mlx4_dev *dev);
1241
1242 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
1243 /* resource tracker functions*/
1244 int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1245                                     enum mlx4_resource resource_type,
1246                                     u64 resource_id, int *slave);
1247 void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1248 void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
1249 int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1250
1251 void mlx4_free_resource_tracker(struct mlx4_dev *dev,
1252                                 enum mlx4_res_tracker_free_type type);
1253
1254 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1255                           struct mlx4_vhcr *vhcr,
1256                           struct mlx4_cmd_mailbox *inbox,
1257                           struct mlx4_cmd_mailbox *outbox,
1258                           struct mlx4_cmd_info *cmd);
1259 int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
1260                           struct mlx4_vhcr *vhcr,
1261                           struct mlx4_cmd_mailbox *inbox,
1262                           struct mlx4_cmd_mailbox *outbox,
1263                           struct mlx4_cmd_info *cmd);
1264 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1265                            struct mlx4_vhcr *vhcr,
1266                            struct mlx4_cmd_mailbox *inbox,
1267                            struct mlx4_cmd_mailbox *outbox,
1268                            struct mlx4_cmd_info *cmd);
1269 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1270                             struct mlx4_vhcr *vhcr,
1271                             struct mlx4_cmd_mailbox *inbox,
1272                             struct mlx4_cmd_mailbox *outbox,
1273                             struct mlx4_cmd_info *cmd);
1274 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1275                                struct mlx4_vhcr *vhcr,
1276                                struct mlx4_cmd_mailbox *inbox,
1277                                struct mlx4_cmd_mailbox *outbox,
1278                                struct mlx4_cmd_info *cmd);
1279 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1280                             struct mlx4_vhcr *vhcr,
1281                             struct mlx4_cmd_mailbox *inbox,
1282                             struct mlx4_cmd_mailbox *outbox,
1283                             struct mlx4_cmd_info *cmd);
1284 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1285
1286 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1287                                     int *gid_tbl_len, int *pkey_tbl_len);
1288
1289 int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1290                            struct mlx4_vhcr *vhcr,
1291                            struct mlx4_cmd_mailbox *inbox,
1292                            struct mlx4_cmd_mailbox *outbox,
1293                            struct mlx4_cmd_info *cmd);
1294
1295 int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
1296                            struct mlx4_vhcr *vhcr,
1297                            struct mlx4_cmd_mailbox *inbox,
1298                            struct mlx4_cmd_mailbox *outbox,
1299                            struct mlx4_cmd_info *cmd);
1300
1301 int mlx4_PROMISC_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 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1307                           enum mlx4_protocol prot, enum mlx4_steer_type steer);
1308 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1309                           int block_mcast_loopback, enum mlx4_protocol prot,
1310                           enum mlx4_steer_type steer);
1311 int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1312                               u8 gid[16], u8 port,
1313                               int block_mcast_loopback,
1314                               enum mlx4_protocol prot, u64 *reg_id);
1315 int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1316                                 struct mlx4_vhcr *vhcr,
1317                                 struct mlx4_cmd_mailbox *inbox,
1318                                 struct mlx4_cmd_mailbox *outbox,
1319                                 struct mlx4_cmd_info *cmd);
1320 int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1321                                struct mlx4_vhcr *vhcr,
1322                                struct mlx4_cmd_mailbox *inbox,
1323                                struct mlx4_cmd_mailbox *outbox,
1324                                struct mlx4_cmd_info *cmd);
1325 int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1326                                      int port, void *buf);
1327 int mlx4_common_dump_eth_stats(struct mlx4_dev *dev, int slave, u32 in_mod,
1328                                 struct mlx4_cmd_mailbox *outbox);
1329 int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
1330                                    struct mlx4_vhcr *vhcr,
1331                                    struct mlx4_cmd_mailbox *inbox,
1332                                    struct mlx4_cmd_mailbox *outbox,
1333                                 struct mlx4_cmd_info *cmd);
1334 int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave,
1335                             struct mlx4_vhcr *vhcr,
1336                             struct mlx4_cmd_mailbox *inbox,
1337                             struct mlx4_cmd_mailbox *outbox,
1338                             struct mlx4_cmd_info *cmd);
1339 int mlx4_QUERY_IF_STAT_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);
1344 int mlx4_QP_FLOW_STEERING_ATTACH_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);
1349 int mlx4_QP_FLOW_STEERING_DETACH_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);
1354 int mlx4_ACCESS_REG_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);
1359
1360 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1361 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1362
1363 static inline void set_param_l(u64 *arg, u32 val)
1364 {
1365         *arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
1366 }
1367
1368 static inline void set_param_h(u64 *arg, u32 val)
1369 {
1370         *arg = (*arg & 0xffffffff) | ((u64) val << 32);
1371 }
1372
1373 static inline u32 get_param_l(u64 *arg)
1374 {
1375         return (u32) (*arg & 0xffffffff);
1376 }
1377
1378 static inline u32 get_param_h(u64 *arg)
1379 {
1380         return (u32)(*arg >> 32);
1381 }
1382
1383 static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1384 {
1385         return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1386 }
1387
1388 #define NOT_MASKED_PD_BITS 17
1389
1390 void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
1391
1392 void mlx4_init_quotas(struct mlx4_dev *dev);
1393
1394 /* for VFs, replace zero MACs with randomly-generated MACs at driver start */
1395 void mlx4_replace_zero_macs(struct mlx4_dev *dev);
1396 int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
1397 /* Returns the VF index of slave */
1398 int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
1399 int mlx4_config_mad_demux(struct mlx4_dev *dev);
1400 int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
1401 int mlx4_bond_fs_rules(struct mlx4_dev *dev);
1402 int mlx4_unbond_fs_rules(struct mlx4_dev *dev);
1403
1404 enum mlx4_zone_flags {
1405         MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO   = 1UL << 0,
1406         MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO      = 1UL << 1,
1407         MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO       = 1UL << 2,
1408         MLX4_ZONE_USE_RR                        = 1UL << 3,
1409 };
1410
1411 enum mlx4_zone_alloc_flags {
1412         /* No two objects could overlap between zones. UID
1413          * could be left unused. If this flag is given and
1414          * two overlapped zones are used, an object will be free'd
1415          * from the smallest possible matching zone.
1416          */
1417         MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP        = 1UL << 0,
1418 };
1419
1420 struct mlx4_zone_allocator;
1421
1422 /* Create a new zone allocator */
1423 struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);
1424
1425 /* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
1426  * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
1427  * Similarly, when searching for an object to free, this offset it taken into
1428  * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
1429  * is given through the MLX4_ZONE_USE_RR flag in <flags>.
1430  * When an allocation fails, <zone_alloc> tries to allocate from other zones
1431  * according to the policy set by <flags>. <puid> is the unique identifier
1432  * received to this zone.
1433  */
1434 int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
1435                       struct mlx4_bitmap *bitmap,
1436                       u32 flags,
1437                       int priority,
1438                       int offset,
1439                       u32 *puid);
1440
1441 /* Remove bitmap indicated by <uid> from <zone_alloc> */
1442 int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);
1443
1444 /* Delete the zone allocator <zone_alloc. This function doesn't destroy
1445  * the attached bitmaps.
1446  */
1447 void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);
1448
1449 /* Allocate <count> objects with align <align> and skip_mask <skip_mask>
1450  * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
1451  * allocated from is returned in <puid>. If the allocation fails, a negative
1452  * number is returned. Otherwise, the offset of the first object is returned.
1453  */
1454 u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
1455                             int align, u32 skip_mask, u32 *puid);
1456
1457 /* Free <count> objects, start from <obj> of the uid <uid> from zone_allocator
1458  * <zones>.
1459  */
1460 u32 mlx4_zone_free_entries(struct mlx4_zone_allocator *zones,
1461                            u32 uid, u32 obj, u32 count);
1462
1463 /* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
1464  * specifying the uid when freeing an object, zone allocator could figure it by
1465  * itself. Other parameters are similar to mlx4_zone_free.
1466  */
1467 u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);
1468
1469 /* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
1470 struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);
1471
1472 #endif /* MLX4_H */