linux/include/linux/mlx4/device.h
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   1/*
   2 * Copyright (c) 2006, 2007 Cisco Systems, Inc.  All rights reserved.
   3 *
   4 * This software is available to you under a choice of one of two
   5 * licenses.  You may choose to be licensed under the terms of the GNU
   6 * General Public License (GPL) Version 2, available from the file
   7 * COPYING in the main directory of this source tree, or the
   8 * OpenIB.org BSD license below:
   9 *
  10 *     Redistribution and use in source and binary forms, with or
  11 *     without modification, are permitted provided that the following
  12 *     conditions are met:
  13 *
  14 *      - Redistributions of source code must retain the above
  15 *        copyright notice, this list of conditions and the following
  16 *        disclaimer.
  17 *
  18 *      - Redistributions in binary form must reproduce the above
  19 *        copyright notice, this list of conditions and the following
  20 *        disclaimer in the documentation and/or other materials
  21 *        provided with the distribution.
  22 *
  23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30 * SOFTWARE.
  31 */
  32
  33#ifndef MLX4_DEVICE_H
  34#define MLX4_DEVICE_H
  35
  36#include <linux/if_ether.h>
  37#include <linux/pci.h>
  38#include <linux/completion.h>
  39#include <linux/radix-tree.h>
  40#include <linux/cpu_rmap.h>
  41#include <linux/crash_dump.h>
  42
  43#include <linux/atomic.h>
  44
  45#include <linux/timecounter.h>
  46
  47#define MAX_MSIX_P_PORT         17
  48#define MAX_MSIX                64
  49#define MSIX_LEGACY_SZ          4
  50#define MIN_MSIX_P_PORT         5
  51
  52#define MLX4_MAX_100M_UNITS_VAL         255     /*
  53                                                 * work around: can't set values
  54                                                 * greater then this value when
  55                                                 * using 100 Mbps units.
  56                                                 */
  57#define MLX4_RATELIMIT_100M_UNITS       3       /* 100 Mbps */
  58#define MLX4_RATELIMIT_1G_UNITS         4       /* 1 Gbps */
  59#define MLX4_RATELIMIT_DEFAULT          0x00ff
  60
  61#define MLX4_ROCE_MAX_GIDS      128
  62#define MLX4_ROCE_PF_GIDS       16
  63
  64enum {
  65        MLX4_FLAG_MSI_X         = 1 << 0,
  66        MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
  67        MLX4_FLAG_MASTER        = 1 << 2,
  68        MLX4_FLAG_SLAVE         = 1 << 3,
  69        MLX4_FLAG_SRIOV         = 1 << 4,
  70        MLX4_FLAG_OLD_REG_MAC   = 1 << 6,
  71        MLX4_FLAG_BONDED        = 1 << 7
  72};
  73
  74enum {
  75        MLX4_PORT_CAP_IS_SM     = 1 << 1,
  76        MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
  77};
  78
  79enum {
  80        MLX4_MAX_PORTS          = 2,
  81        MLX4_MAX_PORT_PKEYS     = 128
  82};
  83
  84/* base qkey for use in sriov tunnel-qp/proxy-qp communication.
  85 * These qkeys must not be allowed for general use. This is a 64k range,
  86 * and to test for violation, we use the mask (protect against future chg).
  87 */
  88#define MLX4_RESERVED_QKEY_BASE  (0xFFFF0000)
  89#define MLX4_RESERVED_QKEY_MASK  (0xFFFF0000)
  90
  91enum {
  92        MLX4_BOARD_ID_LEN = 64
  93};
  94
  95enum {
  96        MLX4_MAX_NUM_PF         = 16,
  97        MLX4_MAX_NUM_VF         = 126,
  98        MLX4_MAX_NUM_VF_P_PORT  = 64,
  99        MLX4_MFUNC_MAX          = 128,
 100        MLX4_MAX_EQ_NUM         = 1024,
 101        MLX4_MFUNC_EQ_NUM       = 4,
 102        MLX4_MFUNC_MAX_EQES     = 8,
 103        MLX4_MFUNC_EQE_MASK     = (MLX4_MFUNC_MAX_EQES - 1)
 104};
 105
 106/* Driver supports 3 diffrent device methods to manage traffic steering:
 107 *      -device managed - High level API for ib and eth flow steering. FW is
 108 *                        managing flow steering tables.
 109 *      - B0 steering mode - Common low level API for ib and (if supported) eth.
 110 *      - A0 steering mode - Limited low level API for eth. In case of IB,
 111 *                           B0 mode is in use.
 112 */
 113enum {
 114        MLX4_STEERING_MODE_A0,
 115        MLX4_STEERING_MODE_B0,
 116        MLX4_STEERING_MODE_DEVICE_MANAGED
 117};
 118
 119enum {
 120        MLX4_STEERING_DMFS_A0_DEFAULT,
 121        MLX4_STEERING_DMFS_A0_DYNAMIC,
 122        MLX4_STEERING_DMFS_A0_STATIC,
 123        MLX4_STEERING_DMFS_A0_DISABLE,
 124        MLX4_STEERING_DMFS_A0_NOT_SUPPORTED
 125};
 126
 127static inline const char *mlx4_steering_mode_str(int steering_mode)
 128{
 129        switch (steering_mode) {
 130        case MLX4_STEERING_MODE_A0:
 131                return "A0 steering";
 132
 133        case MLX4_STEERING_MODE_B0:
 134                return "B0 steering";
 135
 136        case MLX4_STEERING_MODE_DEVICE_MANAGED:
 137                return "Device managed flow steering";
 138
 139        default:
 140                return "Unrecognize steering mode";
 141        }
 142}
 143
 144enum {
 145        MLX4_TUNNEL_OFFLOAD_MODE_NONE,
 146        MLX4_TUNNEL_OFFLOAD_MODE_VXLAN
 147};
 148
 149enum {
 150        MLX4_DEV_CAP_FLAG_RC            = 1LL <<  0,
 151        MLX4_DEV_CAP_FLAG_UC            = 1LL <<  1,
 152        MLX4_DEV_CAP_FLAG_UD            = 1LL <<  2,
 153        MLX4_DEV_CAP_FLAG_XRC           = 1LL <<  3,
 154        MLX4_DEV_CAP_FLAG_SRQ           = 1LL <<  6,
 155        MLX4_DEV_CAP_FLAG_IPOIB_CSUM    = 1LL <<  7,
 156        MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL <<  8,
 157        MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL <<  9,
 158        MLX4_DEV_CAP_FLAG_DPDP          = 1LL << 12,
 159        MLX4_DEV_CAP_FLAG_BLH           = 1LL << 15,
 160        MLX4_DEV_CAP_FLAG_MEM_WINDOW    = 1LL << 16,
 161        MLX4_DEV_CAP_FLAG_APM           = 1LL << 17,
 162        MLX4_DEV_CAP_FLAG_ATOMIC        = 1LL << 18,
 163        MLX4_DEV_CAP_FLAG_RAW_MCAST     = 1LL << 19,
 164        MLX4_DEV_CAP_FLAG_UD_AV_PORT    = 1LL << 20,
 165        MLX4_DEV_CAP_FLAG_UD_MCAST      = 1LL << 21,
 166        MLX4_DEV_CAP_FLAG_IBOE          = 1LL << 30,
 167        MLX4_DEV_CAP_FLAG_UC_LOOPBACK   = 1LL << 32,
 168        MLX4_DEV_CAP_FLAG_FCS_KEEP      = 1LL << 34,
 169        MLX4_DEV_CAP_FLAG_WOL_PORT1     = 1LL << 37,
 170        MLX4_DEV_CAP_FLAG_WOL_PORT2     = 1LL << 38,
 171        MLX4_DEV_CAP_FLAG_UDP_RSS       = 1LL << 40,
 172        MLX4_DEV_CAP_FLAG_VEP_UC_STEER  = 1LL << 41,
 173        MLX4_DEV_CAP_FLAG_VEP_MC_STEER  = 1LL << 42,
 174        MLX4_DEV_CAP_FLAG_COUNTERS      = 1LL << 48,
 175        MLX4_DEV_CAP_FLAG_RSS_IP_FRAG   = 1LL << 52,
 176        MLX4_DEV_CAP_FLAG_SET_ETH_SCHED = 1LL << 53,
 177        MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55,
 178        MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV = 1LL << 59,
 179        MLX4_DEV_CAP_FLAG_64B_EQE       = 1LL << 61,
 180        MLX4_DEV_CAP_FLAG_64B_CQE       = 1LL << 62
 181};
 182
 183enum {
 184        MLX4_DEV_CAP_FLAG2_RSS                  = 1LL <<  0,
 185        MLX4_DEV_CAP_FLAG2_RSS_TOP              = 1LL <<  1,
 186        MLX4_DEV_CAP_FLAG2_RSS_XOR              = 1LL <<  2,
 187        MLX4_DEV_CAP_FLAG2_FS_EN                = 1LL <<  3,
 188        MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN      = 1LL <<  4,
 189        MLX4_DEV_CAP_FLAG2_TS                   = 1LL <<  5,
 190        MLX4_DEV_CAP_FLAG2_VLAN_CONTROL         = 1LL <<  6,
 191        MLX4_DEV_CAP_FLAG2_FSM                  = 1LL <<  7,
 192        MLX4_DEV_CAP_FLAG2_UPDATE_QP            = 1LL <<  8,
 193        MLX4_DEV_CAP_FLAG2_DMFS_IPOIB           = 1LL <<  9,
 194        MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS       = 1LL <<  10,
 195        MLX4_DEV_CAP_FLAG2_MAD_DEMUX            = 1LL <<  11,
 196        MLX4_DEV_CAP_FLAG2_CQE_STRIDE           = 1LL <<  12,
 197        MLX4_DEV_CAP_FLAG2_EQE_STRIDE           = 1LL <<  13,
 198        MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL        = 1LL <<  14,
 199        MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP    = 1LL <<  15,
 200        MLX4_DEV_CAP_FLAG2_CONFIG_DEV           = 1LL <<  16,
 201        MLX4_DEV_CAP_FLAG2_SYS_EQS              = 1LL <<  17,
 202        MLX4_DEV_CAP_FLAG2_80_VFS               = 1LL <<  18,
 203        MLX4_DEV_CAP_FLAG2_FS_A0                = 1LL <<  19,
 204        MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT = 1LL << 20,
 205        MLX4_DEV_CAP_FLAG2_PORT_REMAP           = 1LL <<  21,
 206        MLX4_DEV_CAP_FLAG2_QCN                  = 1LL <<  22,
 207        MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT        = 1LL <<  23,
 208        MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN         = 1LL <<  24,
 209        MLX4_DEV_CAP_FLAG2_QOS_VPP              = 1LL <<  25,
 210        MLX4_DEV_CAP_FLAG2_ETS_CFG              = 1LL <<  26,
 211        MLX4_DEV_CAP_FLAG2_PORT_BEACON          = 1LL <<  27,
 212        MLX4_DEV_CAP_FLAG2_IGNORE_FCS           = 1LL <<  28,
 213};
 214
 215enum {
 216        MLX4_QUERY_FUNC_FLAGS_BF_RES_QP         = 1LL << 0,
 217        MLX4_QUERY_FUNC_FLAGS_A0_RES_QP         = 1LL << 1
 218};
 219
 220enum {
 221        MLX4_VF_CAP_FLAG_RESET                  = 1 << 0
 222};
 223
 224/* bit enums for an 8-bit flags field indicating special use
 225 * QPs which require special handling in qp_reserve_range.
 226 * Currently, this only includes QPs used by the ETH interface,
 227 * where we expect to use blueflame.  These QPs must not have
 228 * bits 6 and 7 set in their qp number.
 229 *
 230 * This enum may use only bits 0..7.
 231 */
 232enum {
 233        MLX4_RESERVE_A0_QP      = 1 << 6,
 234        MLX4_RESERVE_ETH_BF_QP  = 1 << 7,
 235};
 236
 237enum {
 238        MLX4_DEV_CAP_64B_EQE_ENABLED    = 1LL << 0,
 239        MLX4_DEV_CAP_64B_CQE_ENABLED    = 1LL << 1,
 240        MLX4_DEV_CAP_CQE_STRIDE_ENABLED = 1LL << 2,
 241        MLX4_DEV_CAP_EQE_STRIDE_ENABLED = 1LL << 3
 242};
 243
 244enum {
 245        MLX4_USER_DEV_CAP_LARGE_CQE     = 1L << 0
 246};
 247
 248enum {
 249        MLX4_FUNC_CAP_64B_EQE_CQE       = 1L << 0,
 250        MLX4_FUNC_CAP_EQE_CQE_STRIDE    = 1L << 1,
 251        MLX4_FUNC_CAP_DMFS_A0_STATIC    = 1L << 2
 252};
 253
 254
 255#define MLX4_ATTR_EXTENDED_PORT_INFO    cpu_to_be16(0xff90)
 256
 257enum {
 258        MLX4_BMME_FLAG_WIN_TYPE_2B      = 1 <<  1,
 259        MLX4_BMME_FLAG_LOCAL_INV        = 1 <<  6,
 260        MLX4_BMME_FLAG_REMOTE_INV       = 1 <<  7,
 261        MLX4_BMME_FLAG_TYPE_2_WIN       = 1 <<  9,
 262        MLX4_BMME_FLAG_RESERVED_LKEY    = 1 << 10,
 263        MLX4_BMME_FLAG_FAST_REG_WR      = 1 << 11,
 264        MLX4_BMME_FLAG_PORT_REMAP       = 1 << 24,
 265        MLX4_BMME_FLAG_VSD_INIT2RTR     = 1 << 28,
 266};
 267
 268enum {
 269        MLX4_FLAG_PORT_REMAP            = MLX4_BMME_FLAG_PORT_REMAP
 270};
 271
 272enum mlx4_event {
 273        MLX4_EVENT_TYPE_COMP               = 0x00,
 274        MLX4_EVENT_TYPE_PATH_MIG           = 0x01,
 275        MLX4_EVENT_TYPE_COMM_EST           = 0x02,
 276        MLX4_EVENT_TYPE_SQ_DRAINED         = 0x03,
 277        MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE    = 0x13,
 278        MLX4_EVENT_TYPE_SRQ_LIMIT          = 0x14,
 279        MLX4_EVENT_TYPE_CQ_ERROR           = 0x04,
 280        MLX4_EVENT_TYPE_WQ_CATAS_ERROR     = 0x05,
 281        MLX4_EVENT_TYPE_EEC_CATAS_ERROR    = 0x06,
 282        MLX4_EVENT_TYPE_PATH_MIG_FAILED    = 0x07,
 283        MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
 284        MLX4_EVENT_TYPE_WQ_ACCESS_ERROR    = 0x11,
 285        MLX4_EVENT_TYPE_SRQ_CATAS_ERROR    = 0x12,
 286        MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR  = 0x08,
 287        MLX4_EVENT_TYPE_PORT_CHANGE        = 0x09,
 288        MLX4_EVENT_TYPE_EQ_OVERFLOW        = 0x0f,
 289        MLX4_EVENT_TYPE_ECC_DETECT         = 0x0e,
 290        MLX4_EVENT_TYPE_CMD                = 0x0a,
 291        MLX4_EVENT_TYPE_VEP_UPDATE         = 0x19,
 292        MLX4_EVENT_TYPE_COMM_CHANNEL       = 0x18,
 293        MLX4_EVENT_TYPE_OP_REQUIRED        = 0x1a,
 294        MLX4_EVENT_TYPE_FATAL_WARNING      = 0x1b,
 295        MLX4_EVENT_TYPE_FLR_EVENT          = 0x1c,
 296        MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT = 0x1d,
 297        MLX4_EVENT_TYPE_RECOVERABLE_ERROR_EVENT  = 0x3e,
 298        MLX4_EVENT_TYPE_NONE               = 0xff,
 299};
 300
 301enum {
 302        MLX4_PORT_CHANGE_SUBTYPE_DOWN   = 1,
 303        MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
 304};
 305
 306enum {
 307        MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_BAD_CABLE          = 1,
 308        MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_UNSUPPORTED_CABLE  = 2,
 309};
 310
 311enum {
 312        MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
 313};
 314
 315enum slave_port_state {
 316        SLAVE_PORT_DOWN = 0,
 317        SLAVE_PENDING_UP,
 318        SLAVE_PORT_UP,
 319};
 320
 321enum slave_port_gen_event {
 322        SLAVE_PORT_GEN_EVENT_DOWN = 0,
 323        SLAVE_PORT_GEN_EVENT_UP,
 324        SLAVE_PORT_GEN_EVENT_NONE,
 325};
 326
 327enum slave_port_state_event {
 328        MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN,
 329        MLX4_PORT_STATE_DEV_EVENT_PORT_UP,
 330        MLX4_PORT_STATE_IB_PORT_STATE_EVENT_GID_VALID,
 331        MLX4_PORT_STATE_IB_EVENT_GID_INVALID,
 332};
 333
 334enum {
 335        MLX4_PERM_LOCAL_READ    = 1 << 10,
 336        MLX4_PERM_LOCAL_WRITE   = 1 << 11,
 337        MLX4_PERM_REMOTE_READ   = 1 << 12,
 338        MLX4_PERM_REMOTE_WRITE  = 1 << 13,
 339        MLX4_PERM_ATOMIC        = 1 << 14,
 340        MLX4_PERM_BIND_MW       = 1 << 15,
 341        MLX4_PERM_MASK          = 0xFC00
 342};
 343
 344enum {
 345        MLX4_OPCODE_NOP                 = 0x00,
 346        MLX4_OPCODE_SEND_INVAL          = 0x01,
 347        MLX4_OPCODE_RDMA_WRITE          = 0x08,
 348        MLX4_OPCODE_RDMA_WRITE_IMM      = 0x09,
 349        MLX4_OPCODE_SEND                = 0x0a,
 350        MLX4_OPCODE_SEND_IMM            = 0x0b,
 351        MLX4_OPCODE_LSO                 = 0x0e,
 352        MLX4_OPCODE_RDMA_READ           = 0x10,
 353        MLX4_OPCODE_ATOMIC_CS           = 0x11,
 354        MLX4_OPCODE_ATOMIC_FA           = 0x12,
 355        MLX4_OPCODE_MASKED_ATOMIC_CS    = 0x14,
 356        MLX4_OPCODE_MASKED_ATOMIC_FA    = 0x15,
 357        MLX4_OPCODE_BIND_MW             = 0x18,
 358        MLX4_OPCODE_FMR                 = 0x19,
 359        MLX4_OPCODE_LOCAL_INVAL         = 0x1b,
 360        MLX4_OPCODE_CONFIG_CMD          = 0x1f,
 361
 362        MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
 363        MLX4_RECV_OPCODE_SEND           = 0x01,
 364        MLX4_RECV_OPCODE_SEND_IMM       = 0x02,
 365        MLX4_RECV_OPCODE_SEND_INVAL     = 0x03,
 366
 367        MLX4_CQE_OPCODE_ERROR           = 0x1e,
 368        MLX4_CQE_OPCODE_RESIZE          = 0x16,
 369};
 370
 371enum {
 372        MLX4_STAT_RATE_OFFSET   = 5
 373};
 374
 375enum mlx4_protocol {
 376        MLX4_PROT_IB_IPV6 = 0,
 377        MLX4_PROT_ETH,
 378        MLX4_PROT_IB_IPV4,
 379        MLX4_PROT_FCOE
 380};
 381
 382enum {
 383        MLX4_MTT_FLAG_PRESENT           = 1
 384};
 385
 386enum mlx4_qp_region {
 387        MLX4_QP_REGION_FW = 0,
 388        MLX4_QP_REGION_RSS_RAW_ETH,
 389        MLX4_QP_REGION_BOTTOM = MLX4_QP_REGION_RSS_RAW_ETH,
 390        MLX4_QP_REGION_ETH_ADDR,
 391        MLX4_QP_REGION_FC_ADDR,
 392        MLX4_QP_REGION_FC_EXCH,
 393        MLX4_NUM_QP_REGION
 394};
 395
 396enum mlx4_port_type {
 397        MLX4_PORT_TYPE_NONE     = 0,
 398        MLX4_PORT_TYPE_IB       = 1,
 399        MLX4_PORT_TYPE_ETH      = 2,
 400        MLX4_PORT_TYPE_AUTO     = 3
 401};
 402
 403enum mlx4_special_vlan_idx {
 404        MLX4_NO_VLAN_IDX        = 0,
 405        MLX4_VLAN_MISS_IDX,
 406        MLX4_VLAN_REGULAR
 407};
 408
 409enum mlx4_steer_type {
 410        MLX4_MC_STEER = 0,
 411        MLX4_UC_STEER,
 412        MLX4_NUM_STEERS
 413};
 414
 415enum {
 416        MLX4_NUM_FEXCH          = 64 * 1024,
 417};
 418
 419enum {
 420        MLX4_MAX_FAST_REG_PAGES = 511,
 421};
 422
 423enum {
 424        MLX4_DEV_PMC_SUBTYPE_GUID_INFO   = 0x14,
 425        MLX4_DEV_PMC_SUBTYPE_PORT_INFO   = 0x15,
 426        MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE  = 0x16,
 427};
 428
 429/* Port mgmt change event handling */
 430enum {
 431        MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK       = 1 << 0,
 432        MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK           = 1 << 1,
 433        MLX4_EQ_PORT_INFO_LID_CHANGE_MASK               = 1 << 2,
 434        MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK             = 1 << 3,
 435        MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK        = 1 << 4,
 436};
 437
 438enum {
 439        MLX4_DEVICE_STATE_UP                    = 1 << 0,
 440        MLX4_DEVICE_STATE_INTERNAL_ERROR        = 1 << 1,
 441};
 442
 443enum {
 444        MLX4_INTERFACE_STATE_UP         = 1 << 0,
 445        MLX4_INTERFACE_STATE_DELETION   = 1 << 1,
 446};
 447
 448#define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
 449                             MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
 450
 451enum mlx4_module_id {
 452        MLX4_MODULE_ID_SFP              = 0x3,
 453        MLX4_MODULE_ID_QSFP             = 0xC,
 454        MLX4_MODULE_ID_QSFP_PLUS        = 0xD,
 455        MLX4_MODULE_ID_QSFP28           = 0x11,
 456};
 457
 458enum { /* rl */
 459        MLX4_QP_RATE_LIMIT_NONE         = 0,
 460        MLX4_QP_RATE_LIMIT_KBS          = 1,
 461        MLX4_QP_RATE_LIMIT_MBS          = 2,
 462        MLX4_QP_RATE_LIMIT_GBS          = 3
 463};
 464
 465struct mlx4_rate_limit_caps {
 466        u16     num_rates; /* Number of different rates */
 467        u8      min_unit;
 468        u16     min_val;
 469        u8      max_unit;
 470        u16     max_val;
 471};
 472
 473static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
 474{
 475        return (major << 32) | (minor << 16) | subminor;
 476}
 477
 478struct mlx4_phys_caps {
 479        u32                     gid_phys_table_len[MLX4_MAX_PORTS + 1];
 480        u32                     pkey_phys_table_len[MLX4_MAX_PORTS + 1];
 481        u32                     num_phys_eqs;
 482        u32                     base_sqpn;
 483        u32                     base_proxy_sqpn;
 484        u32                     base_tunnel_sqpn;
 485};
 486
 487struct mlx4_caps {
 488        u64                     fw_ver;
 489        u32                     function;
 490        int                     num_ports;
 491        int                     vl_cap[MLX4_MAX_PORTS + 1];
 492        int                     ib_mtu_cap[MLX4_MAX_PORTS + 1];
 493        __be32                  ib_port_def_cap[MLX4_MAX_PORTS + 1];
 494        u64                     def_mac[MLX4_MAX_PORTS + 1];
 495        int                     eth_mtu_cap[MLX4_MAX_PORTS + 1];
 496        int                     gid_table_len[MLX4_MAX_PORTS + 1];
 497        int                     pkey_table_len[MLX4_MAX_PORTS + 1];
 498        int                     trans_type[MLX4_MAX_PORTS + 1];
 499        int                     vendor_oui[MLX4_MAX_PORTS + 1];
 500        int                     wavelength[MLX4_MAX_PORTS + 1];
 501        u64                     trans_code[MLX4_MAX_PORTS + 1];
 502        int                     local_ca_ack_delay;
 503        int                     num_uars;
 504        u32                     uar_page_size;
 505        int                     bf_reg_size;
 506        int                     bf_regs_per_page;
 507        int                     max_sq_sg;
 508        int                     max_rq_sg;
 509        int                     num_qps;
 510        int                     max_wqes;
 511        int                     max_sq_desc_sz;
 512        int                     max_rq_desc_sz;
 513        int                     max_qp_init_rdma;
 514        int                     max_qp_dest_rdma;
 515        u32                     *qp0_qkey;
 516        u32                     *qp0_proxy;
 517        u32                     *qp1_proxy;
 518        u32                     *qp0_tunnel;
 519        u32                     *qp1_tunnel;
 520        int                     num_srqs;
 521        int                     max_srq_wqes;
 522        int                     max_srq_sge;
 523        int                     reserved_srqs;
 524        int                     num_cqs;
 525        int                     max_cqes;
 526        int                     reserved_cqs;
 527        int                     num_sys_eqs;
 528        int                     num_eqs;
 529        int                     reserved_eqs;
 530        int                     num_comp_vectors;
 531        int                     comp_pool;
 532        int                     num_mpts;
 533        int                     max_fmr_maps;
 534        int                     num_mtts;
 535        int                     fmr_reserved_mtts;
 536        int                     reserved_mtts;
 537        int                     reserved_mrws;
 538        int                     reserved_uars;
 539        int                     num_mgms;
 540        int                     num_amgms;
 541        int                     reserved_mcgs;
 542        int                     num_qp_per_mgm;
 543        int                     steering_mode;
 544        int                     dmfs_high_steer_mode;
 545        int                     fs_log_max_ucast_qp_range_size;
 546        int                     num_pds;
 547        int                     reserved_pds;
 548        int                     max_xrcds;
 549        int                     reserved_xrcds;
 550        int                     mtt_entry_sz;
 551        u32                     max_msg_sz;
 552        u32                     page_size_cap;
 553        u64                     flags;
 554        u64                     flags2;
 555        u32                     bmme_flags;
 556        u32                     reserved_lkey;
 557        u16                     stat_rate_support;
 558        u8                      port_width_cap[MLX4_MAX_PORTS + 1];
 559        int                     max_gso_sz;
 560        int                     max_rss_tbl_sz;
 561        int                     reserved_qps_cnt[MLX4_NUM_QP_REGION];
 562        int                     reserved_qps;
 563        int                     reserved_qps_base[MLX4_NUM_QP_REGION];
 564        int                     log_num_macs;
 565        int                     log_num_vlans;
 566        enum mlx4_port_type     port_type[MLX4_MAX_PORTS + 1];
 567        u8                      supported_type[MLX4_MAX_PORTS + 1];
 568        u8                      suggested_type[MLX4_MAX_PORTS + 1];
 569        u8                      default_sense[MLX4_MAX_PORTS + 1];
 570        u32                     port_mask[MLX4_MAX_PORTS + 1];
 571        enum mlx4_port_type     possible_type[MLX4_MAX_PORTS + 1];
 572        u32                     max_counters;
 573        u8                      port_ib_mtu[MLX4_MAX_PORTS + 1];
 574        u16                     sqp_demux;
 575        u32                     eqe_size;
 576        u32                     cqe_size;
 577        u8                      eqe_factor;
 578        u32                     userspace_caps; /* userspace must be aware of these */
 579        u32                     function_caps;  /* VFs must be aware of these */
 580        u16                     hca_core_clock;
 581        u64                     phys_port_id[MLX4_MAX_PORTS + 1];
 582        int                     tunnel_offload_mode;
 583        u8                      rx_checksum_flags_port[MLX4_MAX_PORTS + 1];
 584        u8                      alloc_res_qp_mask;
 585        u32                     dmfs_high_rate_qpn_base;
 586        u32                     dmfs_high_rate_qpn_range;
 587        u32                     vf_caps;
 588        struct mlx4_rate_limit_caps rl_caps;
 589};
 590
 591struct mlx4_buf_list {
 592        void                   *buf;
 593        dma_addr_t              map;
 594};
 595
 596struct mlx4_buf {
 597        struct mlx4_buf_list    direct;
 598        struct mlx4_buf_list   *page_list;
 599        int                     nbufs;
 600        int                     npages;
 601        int                     page_shift;
 602};
 603
 604struct mlx4_mtt {
 605        u32                     offset;
 606        int                     order;
 607        int                     page_shift;
 608};
 609
 610enum {
 611        MLX4_DB_PER_PAGE = PAGE_SIZE / 4
 612};
 613
 614struct mlx4_db_pgdir {
 615        struct list_head        list;
 616        DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
 617        DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
 618        unsigned long          *bits[2];
 619        __be32                 *db_page;
 620        dma_addr_t              db_dma;
 621};
 622
 623struct mlx4_ib_user_db_page;
 624
 625struct mlx4_db {
 626        __be32                  *db;
 627        union {
 628                struct mlx4_db_pgdir            *pgdir;
 629                struct mlx4_ib_user_db_page     *user_page;
 630        }                       u;
 631        dma_addr_t              dma;
 632        int                     index;
 633        int                     order;
 634};
 635
 636struct mlx4_hwq_resources {
 637        struct mlx4_db          db;
 638        struct mlx4_mtt         mtt;
 639        struct mlx4_buf         buf;
 640};
 641
 642struct mlx4_mr {
 643        struct mlx4_mtt         mtt;
 644        u64                     iova;
 645        u64                     size;
 646        u32                     key;
 647        u32                     pd;
 648        u32                     access;
 649        int                     enabled;
 650};
 651
 652enum mlx4_mw_type {
 653        MLX4_MW_TYPE_1 = 1,
 654        MLX4_MW_TYPE_2 = 2,
 655};
 656
 657struct mlx4_mw {
 658        u32                     key;
 659        u32                     pd;
 660        enum mlx4_mw_type       type;
 661        int                     enabled;
 662};
 663
 664struct mlx4_fmr {
 665        struct mlx4_mr          mr;
 666        struct mlx4_mpt_entry  *mpt;
 667        __be64                 *mtts;
 668        dma_addr_t              dma_handle;
 669        int                     max_pages;
 670        int                     max_maps;
 671        int                     maps;
 672        u8                      page_shift;
 673};
 674
 675struct mlx4_uar {
 676        unsigned long           pfn;
 677        int                     index;
 678        struct list_head        bf_list;
 679        unsigned                free_bf_bmap;
 680        void __iomem           *map;
 681        void __iomem           *bf_map;
 682};
 683
 684struct mlx4_bf {
 685        unsigned int            offset;
 686        int                     buf_size;
 687        struct mlx4_uar        *uar;
 688        void __iomem           *reg;
 689};
 690
 691struct mlx4_cq {
 692        void (*comp)            (struct mlx4_cq *);
 693        void (*event)           (struct mlx4_cq *, enum mlx4_event);
 694
 695        struct mlx4_uar        *uar;
 696
 697        u32                     cons_index;
 698
 699        u16                     irq;
 700        __be32                 *set_ci_db;
 701        __be32                 *arm_db;
 702        int                     arm_sn;
 703
 704        int                     cqn;
 705        unsigned                vector;
 706
 707        atomic_t                refcount;
 708        struct completion       free;
 709        struct {
 710                struct list_head list;
 711                void (*comp)(struct mlx4_cq *);
 712                void            *priv;
 713        } tasklet_ctx;
 714        int             reset_notify_added;
 715        struct list_head        reset_notify;
 716};
 717
 718struct mlx4_qp {
 719        void (*event)           (struct mlx4_qp *, enum mlx4_event);
 720
 721        int                     qpn;
 722
 723        atomic_t                refcount;
 724        struct completion       free;
 725};
 726
 727struct mlx4_srq {
 728        void (*event)           (struct mlx4_srq *, enum mlx4_event);
 729
 730        int                     srqn;
 731        int                     max;
 732        int                     max_gs;
 733        int                     wqe_shift;
 734
 735        atomic_t                refcount;
 736        struct completion       free;
 737};
 738
 739struct mlx4_av {
 740        __be32                  port_pd;
 741        u8                      reserved1;
 742        u8                      g_slid;
 743        __be16                  dlid;
 744        u8                      reserved2;
 745        u8                      gid_index;
 746        u8                      stat_rate;
 747        u8                      hop_limit;
 748        __be32                  sl_tclass_flowlabel;
 749        u8                      dgid[16];
 750};
 751
 752struct mlx4_eth_av {
 753        __be32          port_pd;
 754        u8              reserved1;
 755        u8              smac_idx;
 756        u16             reserved2;
 757        u8              reserved3;
 758        u8              gid_index;
 759        u8              stat_rate;
 760        u8              hop_limit;
 761        __be32          sl_tclass_flowlabel;
 762        u8              dgid[16];
 763        u8              s_mac[6];
 764        u8              reserved4[2];
 765        __be16          vlan;
 766        u8              mac[ETH_ALEN];
 767};
 768
 769union mlx4_ext_av {
 770        struct mlx4_av          ib;
 771        struct mlx4_eth_av      eth;
 772};
 773
 774struct mlx4_counter {
 775        u8      reserved1[3];
 776        u8      counter_mode;
 777        __be32  num_ifc;
 778        u32     reserved2[2];
 779        __be64  rx_frames;
 780        __be64  rx_bytes;
 781        __be64  tx_frames;
 782        __be64  tx_bytes;
 783};
 784
 785struct mlx4_quotas {
 786        int qp;
 787        int cq;
 788        int srq;
 789        int mpt;
 790        int mtt;
 791        int counter;
 792        int xrcd;
 793};
 794
 795struct mlx4_vf_dev {
 796        u8                      min_port;
 797        u8                      n_ports;
 798};
 799
 800struct mlx4_dev_persistent {
 801        struct pci_dev         *pdev;
 802        struct mlx4_dev        *dev;
 803        int                     nvfs[MLX4_MAX_PORTS + 1];
 804        int                     num_vfs;
 805        enum mlx4_port_type curr_port_type[MLX4_MAX_PORTS + 1];
 806        enum mlx4_port_type curr_port_poss_type[MLX4_MAX_PORTS + 1];
 807        struct work_struct      catas_work;
 808        struct workqueue_struct *catas_wq;
 809        struct mutex    device_state_mutex; /* protect HW state */
 810        u8              state;
 811        struct mutex    interface_state_mutex; /* protect SW state */
 812        u8      interface_state;
 813};
 814
 815struct mlx4_dev {
 816        struct mlx4_dev_persistent *persist;
 817        unsigned long           flags;
 818        unsigned long           num_slaves;
 819        struct mlx4_caps        caps;
 820        struct mlx4_phys_caps   phys_caps;
 821        struct mlx4_quotas      quotas;
 822        struct radix_tree_root  qp_table_tree;
 823        u8                      rev_id;
 824        char                    board_id[MLX4_BOARD_ID_LEN];
 825        int                     numa_node;
 826        int                     oper_log_mgm_entry_size;
 827        u64                     regid_promisc_array[MLX4_MAX_PORTS + 1];
 828        u64                     regid_allmulti_array[MLX4_MAX_PORTS + 1];
 829        struct mlx4_vf_dev     *dev_vfs;
 830};
 831
 832struct mlx4_eqe {
 833        u8                      reserved1;
 834        u8                      type;
 835        u8                      reserved2;
 836        u8                      subtype;
 837        union {
 838                u32             raw[6];
 839                struct {
 840                        __be32  cqn;
 841                } __packed comp;
 842                struct {
 843                        u16     reserved1;
 844                        __be16  token;
 845                        u32     reserved2;
 846                        u8      reserved3[3];
 847                        u8      status;
 848                        __be64  out_param;
 849                } __packed cmd;
 850                struct {
 851                        __be32  qpn;
 852                } __packed qp;
 853                struct {
 854                        __be32  srqn;
 855                } __packed srq;
 856                struct {
 857                        __be32  cqn;
 858                        u32     reserved1;
 859                        u8      reserved2[3];
 860                        u8      syndrome;
 861                } __packed cq_err;
 862                struct {
 863                        u32     reserved1[2];
 864                        __be32  port;
 865                } __packed port_change;
 866                struct {
 867                        #define COMM_CHANNEL_BIT_ARRAY_SIZE     4
 868                        u32 reserved;
 869                        u32 bit_vec[COMM_CHANNEL_BIT_ARRAY_SIZE];
 870                } __packed comm_channel_arm;
 871                struct {
 872                        u8      port;
 873                        u8      reserved[3];
 874                        __be64  mac;
 875                } __packed mac_update;
 876                struct {
 877                        __be32  slave_id;
 878                } __packed flr_event;
 879                struct {
 880                        __be16  current_temperature;
 881                        __be16  warning_threshold;
 882                } __packed warming;
 883                struct {
 884                        u8 reserved[3];
 885                        u8 port;
 886                        union {
 887                                struct {
 888                                        __be16 mstr_sm_lid;
 889                                        __be16 port_lid;
 890                                        __be32 changed_attr;
 891                                        u8 reserved[3];
 892                                        u8 mstr_sm_sl;
 893                                        __be64 gid_prefix;
 894                                } __packed port_info;
 895                                struct {
 896                                        __be32 block_ptr;
 897                                        __be32 tbl_entries_mask;
 898                                } __packed tbl_change_info;
 899                        } params;
 900                } __packed port_mgmt_change;
 901                struct {
 902                        u8 reserved[3];
 903                        u8 port;
 904                        u32 reserved1[5];
 905                } __packed bad_cable;
 906        }                       event;
 907        u8                      slave_id;
 908        u8                      reserved3[2];
 909        u8                      owner;
 910} __packed;
 911
 912struct mlx4_init_port_param {
 913        int                     set_guid0;
 914        int                     set_node_guid;
 915        int                     set_si_guid;
 916        u16                     mtu;
 917        int                     port_width_cap;
 918        u16                     vl_cap;
 919        u16                     max_gid;
 920        u16                     max_pkey;
 921        u64                     guid0;
 922        u64                     node_guid;
 923        u64                     si_guid;
 924};
 925
 926#define MAD_IFC_DATA_SZ 192
 927/* MAD IFC Mailbox */
 928struct mlx4_mad_ifc {
 929        u8      base_version;
 930        u8      mgmt_class;
 931        u8      class_version;
 932        u8      method;
 933        __be16  status;
 934        __be16  class_specific;
 935        __be64  tid;
 936        __be16  attr_id;
 937        __be16  resv;
 938        __be32  attr_mod;
 939        __be64  mkey;
 940        __be16  dr_slid;
 941        __be16  dr_dlid;
 942        u8      reserved[28];
 943        u8      data[MAD_IFC_DATA_SZ];
 944} __packed;
 945
 946#define mlx4_foreach_port(port, dev, type)                              \
 947        for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)     \
 948                if ((type) == (dev)->caps.port_mask[(port)])
 949
 950#define mlx4_foreach_non_ib_transport_port(port, dev)                     \
 951        for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)       \
 952                if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
 953
 954#define mlx4_foreach_ib_transport_port(port, dev)                         \
 955        for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)       \
 956                if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
 957                        ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
 958
 959#define MLX4_INVALID_SLAVE_ID   0xFF
 960
 961void handle_port_mgmt_change_event(struct work_struct *work);
 962
 963static inline int mlx4_master_func_num(struct mlx4_dev *dev)
 964{
 965        return dev->caps.function;
 966}
 967
 968static inline int mlx4_is_master(struct mlx4_dev *dev)
 969{
 970        return dev->flags & MLX4_FLAG_MASTER;
 971}
 972
 973static inline int mlx4_num_reserved_sqps(struct mlx4_dev *dev)
 974{
 975        return dev->phys_caps.base_sqpn + 8 +
 976                16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev);
 977}
 978
 979static inline int mlx4_is_qp_reserved(struct mlx4_dev *dev, u32 qpn)
 980{
 981        return (qpn < dev->phys_caps.base_sqpn + 8 +
 982                16 * MLX4_MFUNC_MAX * !!mlx4_is_master(dev) &&
 983                qpn >= dev->phys_caps.base_sqpn) ||
 984               (qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]);
 985}
 986
 987static inline int mlx4_is_guest_proxy(struct mlx4_dev *dev, int slave, u32 qpn)
 988{
 989        int guest_proxy_base = dev->phys_caps.base_proxy_sqpn + slave * 8;
 990
 991        if (qpn >= guest_proxy_base && qpn < guest_proxy_base + 8)
 992                return 1;
 993
 994        return 0;
 995}
 996
 997static inline int mlx4_is_mfunc(struct mlx4_dev *dev)
 998{
 999        return dev->flags & (MLX4_FLAG_SLAVE | MLX4_FLAG_MASTER);
1000}
1001
1002static inline int mlx4_is_slave(struct mlx4_dev *dev)
1003{
1004        return dev->flags & MLX4_FLAG_SLAVE;
1005}
1006
1007static inline int mlx4_is_eth(struct mlx4_dev *dev, int port)
1008{
1009        return dev->caps.port_type[port] == MLX4_PORT_TYPE_IB ? 0 : 1;
1010}
1011
1012int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
1013                   struct mlx4_buf *buf, gfp_t gfp);
1014void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
1015static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
1016{
1017        if (BITS_PER_LONG == 64 || buf->nbufs == 1)
1018                return buf->direct.buf + offset;
1019        else
1020                return buf->page_list[offset >> PAGE_SHIFT].buf +
1021                        (offset & (PAGE_SIZE - 1));
1022}
1023
1024int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
1025void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
1026int mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1027void mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1028
1029int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
1030void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
1031int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf, int node);
1032void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
1033
1034int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
1035                  struct mlx4_mtt *mtt);
1036void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
1037u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
1038
1039int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
1040                  int npages, int page_shift, struct mlx4_mr *mr);
1041int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
1042int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
1043int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
1044                  struct mlx4_mw *mw);
1045void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
1046int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
1047int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1048                   int start_index, int npages, u64 *page_list);
1049int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1050                       struct mlx4_buf *buf, gfp_t gfp);
1051
1052int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
1053                  gfp_t gfp);
1054void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
1055
1056int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
1057                       int size, int max_direct);
1058void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
1059                       int size);
1060
1061int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
1062                  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
1063                  unsigned vector, int collapsed, int timestamp_en);
1064void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
1065int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1066                          int *base, u8 flags);
1067void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1068
1069int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
1070                  gfp_t gfp);
1071void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
1072
1073int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
1074                   struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq);
1075void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
1076int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
1077int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
1078
1079int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
1080int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
1081
1082int mlx4_unicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1083                        int block_mcast_loopback, enum mlx4_protocol prot);
1084int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1085                        enum mlx4_protocol prot);
1086int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1087                          u8 port, int block_mcast_loopback,
1088                          enum mlx4_protocol protocol, u64 *reg_id);
1089int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1090                          enum mlx4_protocol protocol, u64 reg_id);
1091
1092enum {
1093        MLX4_DOMAIN_UVERBS      = 0x1000,
1094        MLX4_DOMAIN_ETHTOOL     = 0x2000,
1095        MLX4_DOMAIN_RFS         = 0x3000,
1096        MLX4_DOMAIN_NIC    = 0x5000,
1097};
1098
1099enum mlx4_net_trans_rule_id {
1100        MLX4_NET_TRANS_RULE_ID_ETH = 0,
1101        MLX4_NET_TRANS_RULE_ID_IB,
1102        MLX4_NET_TRANS_RULE_ID_IPV6,
1103        MLX4_NET_TRANS_RULE_ID_IPV4,
1104        MLX4_NET_TRANS_RULE_ID_TCP,
1105        MLX4_NET_TRANS_RULE_ID_UDP,
1106        MLX4_NET_TRANS_RULE_ID_VXLAN,
1107        MLX4_NET_TRANS_RULE_NUM, /* should be last */
1108};
1109
1110extern const u16 __sw_id_hw[];
1111
1112static inline int map_hw_to_sw_id(u16 header_id)
1113{
1114
1115        int i;
1116        for (i = 0; i < MLX4_NET_TRANS_RULE_NUM; i++) {
1117                if (header_id == __sw_id_hw[i])
1118                        return i;
1119        }
1120        return -EINVAL;
1121}
1122
1123enum mlx4_net_trans_promisc_mode {
1124        MLX4_FS_REGULAR = 1,
1125        MLX4_FS_ALL_DEFAULT,
1126        MLX4_FS_MC_DEFAULT,
1127        MLX4_FS_UC_SNIFFER,
1128        MLX4_FS_MC_SNIFFER,
1129        MLX4_FS_MODE_NUM, /* should be last */
1130};
1131
1132struct mlx4_spec_eth {
1133        u8      dst_mac[ETH_ALEN];
1134        u8      dst_mac_msk[ETH_ALEN];
1135        u8      src_mac[ETH_ALEN];
1136        u8      src_mac_msk[ETH_ALEN];
1137        u8      ether_type_enable;
1138        __be16  ether_type;
1139        __be16  vlan_id_msk;
1140        __be16  vlan_id;
1141};
1142
1143struct mlx4_spec_tcp_udp {
1144        __be16 dst_port;
1145        __be16 dst_port_msk;
1146        __be16 src_port;
1147        __be16 src_port_msk;
1148};
1149
1150struct mlx4_spec_ipv4 {
1151        __be32 dst_ip;
1152        __be32 dst_ip_msk;
1153        __be32 src_ip;
1154        __be32 src_ip_msk;
1155};
1156
1157struct mlx4_spec_ib {
1158        __be32  l3_qpn;
1159        __be32  qpn_msk;
1160        u8      dst_gid[16];
1161        u8      dst_gid_msk[16];
1162};
1163
1164struct mlx4_spec_vxlan {
1165        __be32 vni;
1166        __be32 vni_mask;
1167
1168};
1169
1170struct mlx4_spec_list {
1171        struct  list_head list;
1172        enum    mlx4_net_trans_rule_id id;
1173        union {
1174                struct mlx4_spec_eth eth;
1175                struct mlx4_spec_ib ib;
1176                struct mlx4_spec_ipv4 ipv4;
1177                struct mlx4_spec_tcp_udp tcp_udp;
1178                struct mlx4_spec_vxlan vxlan;
1179        };
1180};
1181
1182enum mlx4_net_trans_hw_rule_queue {
1183        MLX4_NET_TRANS_Q_FIFO,
1184        MLX4_NET_TRANS_Q_LIFO,
1185};
1186
1187struct mlx4_net_trans_rule {
1188        struct  list_head list;
1189        enum    mlx4_net_trans_hw_rule_queue queue_mode;
1190        bool    exclusive;
1191        bool    allow_loopback;
1192        enum    mlx4_net_trans_promisc_mode promisc_mode;
1193        u8      port;
1194        u16     priority;
1195        u32     qpn;
1196};
1197
1198struct mlx4_net_trans_rule_hw_ctrl {
1199        __be16 prio;
1200        u8 type;
1201        u8 flags;
1202        u8 rsvd1;
1203        u8 funcid;
1204        u8 vep;
1205        u8 port;
1206        __be32 qpn;
1207        __be32 rsvd2;
1208};
1209
1210struct mlx4_net_trans_rule_hw_ib {
1211        u8 size;
1212        u8 rsvd1;
1213        __be16 id;
1214        u32 rsvd2;
1215        __be32 l3_qpn;
1216        __be32 qpn_mask;
1217        u8 dst_gid[16];
1218        u8 dst_gid_msk[16];
1219} __packed;
1220
1221struct mlx4_net_trans_rule_hw_eth {
1222        u8      size;
1223        u8      rsvd;
1224        __be16  id;
1225        u8      rsvd1[6];
1226        u8      dst_mac[6];
1227        u16     rsvd2;
1228        u8      dst_mac_msk[6];
1229        u16     rsvd3;
1230        u8      src_mac[6];
1231        u16     rsvd4;
1232        u8      src_mac_msk[6];
1233        u8      rsvd5;
1234        u8      ether_type_enable;
1235        __be16  ether_type;
1236        __be16  vlan_tag_msk;
1237        __be16  vlan_tag;
1238} __packed;
1239
1240struct mlx4_net_trans_rule_hw_tcp_udp {
1241        u8      size;
1242        u8      rsvd;
1243        __be16  id;
1244        __be16  rsvd1[3];
1245        __be16  dst_port;
1246        __be16  rsvd2;
1247        __be16  dst_port_msk;
1248        __be16  rsvd3;
1249        __be16  src_port;
1250        __be16  rsvd4;
1251        __be16  src_port_msk;
1252} __packed;
1253
1254struct mlx4_net_trans_rule_hw_ipv4 {
1255        u8      size;
1256        u8      rsvd;
1257        __be16  id;
1258        __be32  rsvd1;
1259        __be32  dst_ip;
1260        __be32  dst_ip_msk;
1261        __be32  src_ip;
1262        __be32  src_ip_msk;
1263} __packed;
1264
1265struct mlx4_net_trans_rule_hw_vxlan {
1266        u8      size;
1267        u8      rsvd;
1268        __be16  id;
1269        __be32  rsvd1;
1270        __be32  vni;
1271        __be32  vni_mask;
1272} __packed;
1273
1274struct _rule_hw {
1275        union {
1276                struct {
1277                        u8 size;
1278                        u8 rsvd;
1279                        __be16 id;
1280                };
1281                struct mlx4_net_trans_rule_hw_eth eth;
1282                struct mlx4_net_trans_rule_hw_ib ib;
1283                struct mlx4_net_trans_rule_hw_ipv4 ipv4;
1284                struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
1285                struct mlx4_net_trans_rule_hw_vxlan vxlan;
1286        };
1287};
1288
1289enum {
1290        VXLAN_STEER_BY_OUTER_MAC        = 1 << 0,
1291        VXLAN_STEER_BY_OUTER_VLAN       = 1 << 1,
1292        VXLAN_STEER_BY_VSID_VNI         = 1 << 2,
1293        VXLAN_STEER_BY_INNER_MAC        = 1 << 3,
1294        VXLAN_STEER_BY_INNER_VLAN       = 1 << 4,
1295};
1296
1297
1298int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
1299                                enum mlx4_net_trans_promisc_mode mode);
1300int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
1301                                   enum mlx4_net_trans_promisc_mode mode);
1302int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1303int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1304int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
1305int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
1306int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
1307
1308int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1309void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1310int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port);
1311int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
1312int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
1313                          u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
1314int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
1315                           u8 promisc);
1316int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time);
1317int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port,
1318                            u8 ignore_fcs_value);
1319int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
1320int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
1321int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
1322int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1323void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1324
1325int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
1326                      int npages, u64 iova, u32 *lkey, u32 *rkey);
1327int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
1328                   int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
1329int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1330void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
1331                    u32 *lkey, u32 *rkey);
1332int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
1333int mlx4_SYNC_TPT(struct mlx4_dev *dev);
1334int mlx4_test_interrupts(struct mlx4_dev *dev);
1335int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap,
1336                   int *vector);
1337void mlx4_release_eq(struct mlx4_dev *dev, int vec);
1338
1339int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec);
1340
1341int mlx4_get_phys_port_id(struct mlx4_dev *dev);
1342int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
1343int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
1344
1345int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1346void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1347
1348void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry,
1349                         int port);
1350__be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port);
1351void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port);
1352int mlx4_flow_attach(struct mlx4_dev *dev,
1353                     struct mlx4_net_trans_rule *rule, u64 *reg_id);
1354int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
1355int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
1356                                    enum mlx4_net_trans_promisc_mode flow_type);
1357int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
1358                                  enum mlx4_net_trans_rule_id id);
1359int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);
1360
1361int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr,
1362                          int port, int qpn, u16 prio, u64 *reg_id);
1363
1364void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
1365                          int i, int val);
1366
1367int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey);
1368
1369int mlx4_is_slave_active(struct mlx4_dev *dev, int slave);
1370int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port);
1371int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port);
1372int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr);
1373int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change);
1374enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port);
1375int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event);
1376
1377void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid);
1378__be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave);
1379
1380int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
1381                                 int *slave_id);
1382int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
1383                                 u8 *gid);
1384
1385int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
1386                                      u32 max_range_qpn);
1387
1388cycle_t mlx4_read_clock(struct mlx4_dev *dev);
1389
1390struct mlx4_active_ports {
1391        DECLARE_BITMAP(ports, MLX4_MAX_PORTS);
1392};
1393/* Returns a bitmap of the physical ports which are assigned to slave */
1394struct mlx4_active_ports mlx4_get_active_ports(struct mlx4_dev *dev, int slave);
1395
1396/* Returns the physical port that represents the virtual port of the slave, */
1397/* or a value < 0 in case of an error. If a slave has 2 ports, the identity */
1398/* mapping is returned.                                                     */
1399int mlx4_slave_convert_port(struct mlx4_dev *dev, int slave, int port);
1400
1401struct mlx4_slaves_pport {
1402        DECLARE_BITMAP(slaves, MLX4_MFUNC_MAX);
1403};
1404/* Returns a bitmap of all slaves that are assigned to port. */
1405struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
1406                                                   int port);
1407
1408/* Returns a bitmap of all slaves that are assigned exactly to all the */
1409/* the ports that are set in crit_ports.                               */
1410struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
1411                struct mlx4_dev *dev,
1412                const struct mlx4_active_ports *crit_ports);
1413
1414/* Returns the slave's virtual port that represents the physical port. */
1415int mlx4_phys_to_slave_port(struct mlx4_dev *dev, int slave, int port);
1416
1417int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);
1418
1419int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
1420int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis);
1421int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2);
1422int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
1423int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
1424int mlx4_vf_set_enable_smi_admin(struct mlx4_dev *dev, int slave, int port,
1425                                 int enable);
1426int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
1427                       struct mlx4_mpt_entry ***mpt_entry);
1428int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
1429                         struct mlx4_mpt_entry **mpt_entry);
1430int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
1431                         u32 pdn);
1432int mlx4_mr_hw_change_access(struct mlx4_dev *dev,
1433                             struct mlx4_mpt_entry *mpt_entry,
1434                             u32 access);
1435void mlx4_mr_hw_put_mpt(struct mlx4_dev *dev,
1436                        struct mlx4_mpt_entry **mpt_entry);
1437void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr);
1438int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
1439                            u64 iova, u64 size, int npages,
1440                            int page_shift, struct mlx4_mpt_entry *mpt_entry);
1441
1442int mlx4_get_module_info(struct mlx4_dev *dev, u8 port,
1443                         u16 offset, u16 size, u8 *data);
1444
1445/* Returns true if running in low memory profile (kdump kernel) */
1446static inline bool mlx4_low_memory_profile(void)
1447{
1448        return is_kdump_kernel();
1449}
1450
1451/* ACCESS REG commands */
1452enum mlx4_access_reg_method {
1453        MLX4_ACCESS_REG_QUERY = 0x1,
1454        MLX4_ACCESS_REG_WRITE = 0x2,
1455};
1456
1457/* ACCESS PTYS Reg command */
1458enum mlx4_ptys_proto {
1459        MLX4_PTYS_IB = 1<<0,
1460        MLX4_PTYS_EN = 1<<2,
1461};
1462
1463struct mlx4_ptys_reg {
1464        u8 resrvd1;
1465        u8 local_port;
1466        u8 resrvd2;
1467        u8 proto_mask;
1468        __be32 resrvd3[2];
1469        __be32 eth_proto_cap;
1470        __be16 ib_width_cap;
1471        __be16 ib_speed_cap;
1472        __be32 resrvd4;
1473        __be32 eth_proto_admin;
1474        __be16 ib_width_admin;
1475        __be16 ib_speed_admin;
1476        __be32 resrvd5;
1477        __be32 eth_proto_oper;
1478        __be16 ib_width_oper;
1479        __be16 ib_speed_oper;
1480        __be32 resrvd6;
1481        __be32 eth_proto_lp_adv;
1482} __packed;
1483
1484int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
1485                         enum mlx4_access_reg_method method,
1486                         struct mlx4_ptys_reg *ptys_reg);
1487
1488#endif /* MLX4_DEVICE_H */
1489