linux/drivers/scsi/lpfc/lpfc.h
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   1/*******************************************************************
   2 * This file is part of the Emulex Linux Device Driver for         *
   3 * Fibre Channel Host Bus Adapters.                                *
   4 * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term *
   5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
   6 * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
   7 * EMULEX and SLI are trademarks of Emulex.                        *
   8 * www.broadcom.com                                                *
   9 * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
  10 *                                                                 *
  11 * This program is free software; you can redistribute it and/or   *
  12 * modify it under the terms of version 2 of the GNU General       *
  13 * Public License as published by the Free Software Foundation.    *
  14 * This program is distributed in the hope that it will be useful. *
  15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  19 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  20 * more details, a copy of which can be found in the file COPYING  *
  21 * included with this package.                                     *
  22 *******************************************************************/
  23
  24#include <scsi/scsi_host.h>
  25#include <linux/ktime.h>
  26#include <linux/workqueue.h>
  27
  28#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
  29#define CONFIG_SCSI_LPFC_DEBUG_FS
  30#endif
  31
  32struct lpfc_sli2_slim;
  33
  34#define ELX_MODEL_NAME_SIZE     80
  35
  36#define LPFC_PCI_DEV_LP         0x1
  37#define LPFC_PCI_DEV_OC         0x2
  38
  39#define LPFC_SLI_REV2           2
  40#define LPFC_SLI_REV3           3
  41#define LPFC_SLI_REV4           4
  42
  43#define LPFC_MAX_TARGET         4096    /* max number of targets supported */
  44#define LPFC_MAX_DISC_THREADS   64      /* max outstanding discovery els
  45                                           requests */
  46#define LPFC_MAX_NS_RETRY       3       /* Number of retry attempts to contact
  47                                           the NameServer  before giving up. */
  48#define LPFC_CMD_PER_LUN        3       /* max outstanding cmds per lun */
  49#define LPFC_DEFAULT_SG_SEG_CNT 64      /* sg element count per scsi cmnd */
  50#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128       /* sg element count per scsi
  51                cmnd for menlo needs nearly twice as for firmware
  52                downloads using bsg */
  53
  54#define LPFC_DEFAULT_XPSGL_SIZE 256
  55#define LPFC_MAX_SG_TABLESIZE   0xffff
  56#define LPFC_MIN_SG_SLI4_BUF_SZ 0x800   /* based on LPFC_DEFAULT_SG_SEG_CNT */
  57#define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */
  58#define LPFC_MAX_SG_SEG_CNT_DIF 512     /* sg element count per scsi cmnd  */
  59#define LPFC_MAX_SG_SEG_CNT     4096    /* sg element count per scsi cmnd */
  60#define LPFC_MIN_SG_SEG_CNT     32      /* sg element count per scsi cmnd */
  61#define LPFC_MAX_SGL_SEG_CNT    512     /* SGL element count per scsi cmnd */
  62#define LPFC_MAX_BPL_SEG_CNT    4096    /* BPL element count per scsi cmnd */
  63#define LPFC_MAX_NVME_SEG_CNT   256     /* max SGL element cnt per NVME cmnd */
  64
  65#define LPFC_MAX_SGE_SIZE       0x80000000 /* Maximum data allowed in a SGE */
  66#define LPFC_IOCB_LIST_CNT      2250    /* list of IOCBs for fast-path usage. */
  67#define LPFC_Q_RAMP_UP_INTERVAL 120     /* lun q_depth ramp up interval */
  68#define LPFC_VNAME_LEN          100     /* vport symbolic name length */
  69#define LPFC_TGTQ_RAMPUP_PCENT  5       /* Target queue rampup in percentage */
  70#define LPFC_MIN_TGT_QDEPTH     10
  71#define LPFC_MAX_TGT_QDEPTH     0xFFFF
  72
  73#define  LPFC_MAX_BUCKET_COUNT 20       /* Maximum no. of buckets for stat data
  74                                           collection. */
  75/*
  76 * Following time intervals are used of adjusting SCSI device
  77 * queue depths when there are driver resource error or Firmware
  78 * resource error.
  79 */
  80/* 1 Second */
  81#define QUEUE_RAMP_DOWN_INTERVAL        (msecs_to_jiffies(1000 * 1))
  82
  83/* Number of exchanges reserved for discovery to complete */
  84#define LPFC_DISC_IOCB_BUFF_COUNT 20
  85
  86#define LPFC_HB_MBOX_INTERVAL   5       /* Heart beat interval in seconds. */
  87#define LPFC_HB_MBOX_TIMEOUT    30      /* Heart beat timeout  in seconds. */
  88
  89/* Error Attention event polling interval */
  90#define LPFC_ERATT_POLL_INTERVAL        5 /* EATT poll interval in seconds */
  91
  92/* Define macros for 64 bit support */
  93#define putPaddrLow(addr)    ((uint32_t) (0xffffffff & (u64)(addr)))
  94#define putPaddrHigh(addr)   ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
  95#define getPaddr(high, low)  ((dma_addr_t)( \
  96                             (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
  97/* Provide maximum configuration definitions. */
  98#define LPFC_DRVR_TIMEOUT       16      /* driver iocb timeout value in sec */
  99#define FC_MAX_ADPTMSG          64
 100
 101#define MAX_HBAEVT      32
 102#define MAX_HBAS_NO_RESET 16
 103
 104/* Number of MSI-X vectors the driver uses */
 105#define LPFC_MSIX_VECTORS       2
 106
 107/* lpfc wait event data ready flag */
 108#define LPFC_DATA_READY         0       /* bit 0 */
 109
 110/* queue dump line buffer size */
 111#define LPFC_LBUF_SZ            128
 112
 113/* mailbox system shutdown options */
 114#define LPFC_MBX_NO_WAIT        0
 115#define LPFC_MBX_WAIT           1
 116
 117#define LPFC_CFG_PARAM_MAGIC_NUM 0xFEAA0005
 118#define LPFC_PORT_CFG_NAME "/cfg/port.cfg"
 119
 120#define lpfc_rangecheck(val, min, max) \
 121        ((uint)(val) >= (uint)(min) && (val) <= (max))
 122
 123enum lpfc_polling_flags {
 124        ENABLE_FCP_RING_POLLING = 0x1,
 125        DISABLE_FCP_RING_INT    = 0x2
 126};
 127
 128struct perf_prof {
 129        uint16_t cmd_cpu[40];
 130        uint16_t rsp_cpu[40];
 131        uint16_t qh_cpu[40];
 132        uint16_t wqidx[40];
 133};
 134
 135/*
 136 * Provide for FC4 TYPE x28 - NVME.  The
 137 * bit mask for FCP and NVME is 0x8 identically
 138 * because they are 32 bit positions distance.
 139 */
 140#define LPFC_FC4_TYPE_BITMASK   0x00000100
 141
 142/* Provide DMA memory definitions the driver uses per port instance. */
 143struct lpfc_dmabuf {
 144        struct list_head list;
 145        void *virt;             /* virtual address ptr */
 146        dma_addr_t phys;        /* mapped address */
 147        uint32_t   buffer_tag;  /* used for tagged queue ring */
 148};
 149
 150struct lpfc_nvmet_ctxbuf {
 151        struct list_head list;
 152        struct lpfc_async_xchg_ctx *context;
 153        struct lpfc_iocbq *iocbq;
 154        struct lpfc_sglq *sglq;
 155        struct work_struct defer_work;
 156};
 157
 158struct lpfc_dma_pool {
 159        struct lpfc_dmabuf   *elements;
 160        uint32_t    max_count;
 161        uint32_t    current_count;
 162};
 163
 164struct hbq_dmabuf {
 165        struct lpfc_dmabuf hbuf;
 166        struct lpfc_dmabuf dbuf;
 167        uint16_t total_size;
 168        uint16_t bytes_recv;
 169        uint32_t tag;
 170        struct lpfc_cq_event cq_event;
 171        unsigned long time_stamp;
 172        void *context;
 173};
 174
 175struct rqb_dmabuf {
 176        struct lpfc_dmabuf hbuf;
 177        struct lpfc_dmabuf dbuf;
 178        uint16_t total_size;
 179        uint16_t bytes_recv;
 180        uint16_t idx;
 181        struct lpfc_queue *hrq;   /* ptr to associated Header RQ */
 182        struct lpfc_queue *drq;   /* ptr to associated Data RQ */
 183};
 184
 185/* Priority bit.  Set value to exceed low water mark in lpfc_mem. */
 186#define MEM_PRI         0x100
 187
 188
 189/****************************************************************************/
 190/*      Device VPD save area                                                */
 191/****************************************************************************/
 192typedef struct lpfc_vpd {
 193        uint32_t status;        /* vpd status value */
 194        uint32_t length;        /* number of bytes actually returned */
 195        struct {
 196                uint32_t rsvd1; /* Revision numbers */
 197                uint32_t biuRev;
 198                uint32_t smRev;
 199                uint32_t smFwRev;
 200                uint32_t endecRev;
 201                uint16_t rBit;
 202                uint8_t fcphHigh;
 203                uint8_t fcphLow;
 204                uint8_t feaLevelHigh;
 205                uint8_t feaLevelLow;
 206                uint32_t postKernRev;
 207                uint32_t opFwRev;
 208                uint8_t opFwName[16];
 209                uint32_t sli1FwRev;
 210                uint8_t sli1FwName[16];
 211                uint32_t sli2FwRev;
 212                uint8_t sli2FwName[16];
 213        } rev;
 214        struct {
 215#ifdef __BIG_ENDIAN_BITFIELD
 216                uint32_t rsvd3  :20;  /* Reserved                             */
 217                uint32_t rsvd2  : 3;  /* Reserved                             */
 218                uint32_t cbg    : 1;  /* Configure BlockGuard                 */
 219                uint32_t cmv    : 1;  /* Configure Max VPIs                   */
 220                uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
 221                uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
 222                uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
 223                uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
 224                uint32_t cerbm  : 1;  /* Configure Enhanced Receive Buf Mgmt  */
 225                uint32_t cmx    : 1;  /* Configure Max XRIs                   */
 226                uint32_t cmr    : 1;  /* Configure Max RPIs                   */
 227#else   /*  __LITTLE_ENDIAN */
 228                uint32_t cmr    : 1;  /* Configure Max RPIs                   */
 229                uint32_t cmx    : 1;  /* Configure Max XRIs                   */
 230                uint32_t cerbm  : 1;  /* Configure Enhanced Receive Buf Mgmt  */
 231                uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
 232                uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
 233                uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
 234                uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
 235                uint32_t cmv    : 1;  /* Configure Max VPIs                   */
 236                uint32_t cbg    : 1;  /* Configure BlockGuard                 */
 237                uint32_t rsvd2  : 3;  /* Reserved                             */
 238                uint32_t rsvd3  :20;  /* Reserved                             */
 239#endif
 240        } sli3Feat;
 241} lpfc_vpd_t;
 242
 243
 244/*
 245 * lpfc stat counters
 246 */
 247struct lpfc_stats {
 248        /* Statistics for ELS commands */
 249        uint32_t elsLogiCol;
 250        uint32_t elsRetryExceeded;
 251        uint32_t elsXmitRetry;
 252        uint32_t elsDelayRetry;
 253        uint32_t elsRcvDrop;
 254        uint32_t elsRcvFrame;
 255        uint32_t elsRcvRSCN;
 256        uint32_t elsRcvRNID;
 257        uint32_t elsRcvFARP;
 258        uint32_t elsRcvFARPR;
 259        uint32_t elsRcvFLOGI;
 260        uint32_t elsRcvPLOGI;
 261        uint32_t elsRcvADISC;
 262        uint32_t elsRcvPDISC;
 263        uint32_t elsRcvFAN;
 264        uint32_t elsRcvLOGO;
 265        uint32_t elsRcvPRLO;
 266        uint32_t elsRcvPRLI;
 267        uint32_t elsRcvLIRR;
 268        uint32_t elsRcvRLS;
 269        uint32_t elsRcvRPL;
 270        uint32_t elsRcvRRQ;
 271        uint32_t elsRcvRTV;
 272        uint32_t elsRcvECHO;
 273        uint32_t elsRcvLCB;
 274        uint32_t elsRcvRDP;
 275        uint32_t elsRcvRDF;
 276        uint32_t elsXmitFLOGI;
 277        uint32_t elsXmitFDISC;
 278        uint32_t elsXmitPLOGI;
 279        uint32_t elsXmitPRLI;
 280        uint32_t elsXmitADISC;
 281        uint32_t elsXmitLOGO;
 282        uint32_t elsXmitSCR;
 283        uint32_t elsXmitRSCN;
 284        uint32_t elsXmitRNID;
 285        uint32_t elsXmitFARP;
 286        uint32_t elsXmitFARPR;
 287        uint32_t elsXmitACC;
 288        uint32_t elsXmitLSRJT;
 289
 290        uint32_t frameRcvBcast;
 291        uint32_t frameRcvMulti;
 292        uint32_t strayXmitCmpl;
 293        uint32_t frameXmitDelay;
 294        uint32_t xriCmdCmpl;
 295        uint32_t xriStatErr;
 296        uint32_t LinkUp;
 297        uint32_t LinkDown;
 298        uint32_t LinkMultiEvent;
 299        uint32_t NoRcvBuf;
 300        uint32_t fcpCmd;
 301        uint32_t fcpCmpl;
 302        uint32_t fcpRspErr;
 303        uint32_t fcpRemoteStop;
 304        uint32_t fcpPortRjt;
 305        uint32_t fcpPortBusy;
 306        uint32_t fcpError;
 307        uint32_t fcpLocalErr;
 308};
 309
 310struct lpfc_hba;
 311
 312
 313#define LPFC_VMID_TIMER   300   /* timer interval in seconds */
 314
 315#define LPFC_MAX_VMID_SIZE      256
 316#define LPFC_COMPRESS_VMID_SIZE 16
 317
 318union lpfc_vmid_io_tag {
 319        u32 app_id;     /* App Id vmid */
 320        u8 cs_ctl_vmid; /* Priority tag vmid */
 321};
 322
 323#define JIFFIES_PER_HR  (HZ * 60 * 60)
 324
 325struct lpfc_vmid {
 326        u8 flag;
 327#define LPFC_VMID_SLOT_FREE     0x0
 328#define LPFC_VMID_SLOT_USED     0x1
 329#define LPFC_VMID_REQ_REGISTER  0x2
 330#define LPFC_VMID_REGISTERED    0x4
 331#define LPFC_VMID_DE_REGISTER   0x8
 332        char host_vmid[LPFC_MAX_VMID_SIZE];
 333        union lpfc_vmid_io_tag un;
 334        struct hlist_node hnode;
 335        u64 io_rd_cnt;
 336        u64 io_wr_cnt;
 337        u8 vmid_len;
 338        u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */
 339        u32 hash_index;
 340        u64 __percpu *last_io_time;
 341};
 342
 343#define lpfc_vmid_is_type_priority_tag(vport)\
 344        (vport->vmid_priority_tagging ? 1 : 0)
 345
 346#define LPFC_VMID_HASH_SIZE     256
 347#define LPFC_VMID_HASH_MASK     255
 348#define LPFC_VMID_HASH_SHIFT    6
 349
 350struct lpfc_vmid_context {
 351        struct lpfc_vmid *vmp;
 352        struct lpfc_nodelist *nlp;
 353        bool instantiated;
 354};
 355
 356struct lpfc_vmid_priority_range {
 357        u8 low;
 358        u8 high;
 359        u8 qos;
 360};
 361
 362struct lpfc_vmid_priority_info {
 363        u32 num_descriptors;
 364        struct lpfc_vmid_priority_range *vmid_range;
 365};
 366
 367#define QFPA_EVEN_ONLY 0x01
 368#define QFPA_ODD_ONLY  0x02
 369#define QFPA_EVEN_ODD  0x03
 370
 371enum discovery_state {
 372        LPFC_VPORT_UNKNOWN     =  0,    /* vport state is unknown */
 373        LPFC_VPORT_FAILED      =  1,    /* vport has failed */
 374        LPFC_LOCAL_CFG_LINK    =  6,    /* local NPORT Id configured */
 375        LPFC_FLOGI             =  7,    /* FLOGI sent to Fabric */
 376        LPFC_FDISC             =  8,    /* FDISC sent for vport */
 377        LPFC_FABRIC_CFG_LINK   =  9,    /* Fabric assigned NPORT Id
 378                                         * configured */
 379        LPFC_NS_REG            =  10,   /* Register with NameServer */
 380        LPFC_NS_QRY            =  11,   /* Query NameServer for NPort ID list */
 381        LPFC_BUILD_DISC_LIST   =  12,   /* Build ADISC and PLOGI lists for
 382                                         * device authentication / discovery */
 383        LPFC_DISC_AUTH         =  13,   /* Processing ADISC list */
 384        LPFC_VPORT_READY       =  32,
 385};
 386
 387enum hba_state {
 388        LPFC_LINK_UNKNOWN    =   0,   /* HBA state is unknown */
 389        LPFC_WARM_START      =   1,   /* HBA state after selective reset */
 390        LPFC_INIT_START      =   2,   /* Initial state after board reset */
 391        LPFC_INIT_MBX_CMDS   =   3,   /* Initialize HBA with mbox commands */
 392        LPFC_LINK_DOWN       =   4,   /* HBA initialized, link is down */
 393        LPFC_LINK_UP         =   5,   /* Link is up  - issue READ_LA */
 394        LPFC_CLEAR_LA        =   6,   /* authentication cmplt - issue
 395                                       * CLEAR_LA */
 396        LPFC_HBA_READY       =  32,
 397        LPFC_HBA_ERROR       =  -1
 398};
 399
 400struct lpfc_trunk_link_state {
 401        enum hba_state state;
 402        uint8_t fault;
 403};
 404
 405struct lpfc_trunk_link  {
 406        struct lpfc_trunk_link_state link0,
 407                                     link1,
 408                                     link2,
 409                                     link3;
 410};
 411
 412/* Format of congestion module parameters */
 413struct lpfc_cgn_param {
 414        uint32_t cgn_param_magic;
 415        uint8_t  cgn_param_version;     /* version 1 */
 416        uint8_t  cgn_param_mode;        /* 0=off 1=managed 2=monitor only */
 417#define LPFC_CFG_OFF            0
 418#define LPFC_CFG_MANAGED        1
 419#define LPFC_CFG_MONITOR        2
 420        uint8_t  cgn_rsvd1;
 421        uint8_t  cgn_rsvd2;
 422        uint8_t  cgn_param_level0;
 423        uint8_t  cgn_param_level1;
 424        uint8_t  cgn_param_level2;
 425        uint8_t  byte11;
 426        uint8_t  byte12;
 427        uint8_t  byte13;
 428        uint8_t  byte14;
 429        uint8_t  byte15;
 430};
 431
 432/* Max number of days of congestion data */
 433#define LPFC_MAX_CGN_DAYS 10
 434
 435/* Format of congestion buffer info
 436 * This structure defines memory thats allocated and registered with
 437 * the HBA firmware. When adding or removing fields from this structure
 438 * the alignment must match the HBA firmware.
 439 */
 440
 441struct lpfc_cgn_info {
 442        /* Header */
 443        __le16   cgn_info_size;         /* is sizeof(struct lpfc_cgn_info) */
 444        uint8_t  cgn_info_version;      /* represents format of structure */
 445#define LPFC_CGN_INFO_V1        1
 446#define LPFC_CGN_INFO_V2        2
 447#define LPFC_CGN_INFO_V3        3
 448        uint8_t  cgn_info_mode;         /* 0=off 1=managed 2=monitor only */
 449        uint8_t  cgn_info_detect;
 450        uint8_t  cgn_info_action;
 451        uint8_t  cgn_info_level0;
 452        uint8_t  cgn_info_level1;
 453        uint8_t  cgn_info_level2;
 454
 455        /* Start Time */
 456        uint8_t  cgn_info_month;
 457        uint8_t  cgn_info_day;
 458        uint8_t  cgn_info_year;
 459        uint8_t  cgn_info_hour;
 460        uint8_t  cgn_info_minute;
 461        uint8_t  cgn_info_second;
 462
 463        /* minute / hours / daily indices */
 464        uint8_t  cgn_index_minute;
 465        uint8_t  cgn_index_hour;
 466        uint8_t  cgn_index_day;
 467
 468        __le16   cgn_warn_freq;
 469        __le16   cgn_alarm_freq;
 470        __le16   cgn_lunq;
 471        uint8_t  cgn_pad1[8];
 472
 473        /* Driver Information */
 474        __le16   cgn_drvr_min[60];
 475        __le32   cgn_drvr_hr[24];
 476        __le32   cgn_drvr_day[LPFC_MAX_CGN_DAYS];
 477
 478        /* Congestion Warnings */
 479        __le16   cgn_warn_min[60];
 480        __le32   cgn_warn_hr[24];
 481        __le32   cgn_warn_day[LPFC_MAX_CGN_DAYS];
 482
 483        /* Latency Information */
 484        __le32   cgn_latency_min[60];
 485        __le32   cgn_latency_hr[24];
 486        __le32   cgn_latency_day[LPFC_MAX_CGN_DAYS];
 487
 488        /* Bandwidth Information */
 489        __le16   cgn_bw_min[60];
 490        __le16   cgn_bw_hr[24];
 491        __le16   cgn_bw_day[LPFC_MAX_CGN_DAYS];
 492
 493        /* Congestion Alarms */
 494        __le16   cgn_alarm_min[60];
 495        __le32   cgn_alarm_hr[24];
 496        __le32   cgn_alarm_day[LPFC_MAX_CGN_DAYS];
 497
 498        /* Start of congestion statistics */
 499        uint8_t  cgn_stat_npm;          /* Notifications per minute */
 500
 501        /* Start Time */
 502        uint8_t  cgn_stat_month;
 503        uint8_t  cgn_stat_day;
 504        uint8_t  cgn_stat_year;
 505        uint8_t  cgn_stat_hour;
 506        uint8_t  cgn_stat_minute;
 507        uint8_t  cgn_pad2[2];
 508
 509        __le32   cgn_notification;
 510        __le32   cgn_peer_notification;
 511        __le32   link_integ_notification;
 512        __le32   delivery_notification;
 513
 514        uint8_t  cgn_stat_cgn_month; /* Last congestion notification FPIN */
 515        uint8_t  cgn_stat_cgn_day;
 516        uint8_t  cgn_stat_cgn_year;
 517        uint8_t  cgn_stat_cgn_hour;
 518        uint8_t  cgn_stat_cgn_min;
 519        uint8_t  cgn_stat_cgn_sec;
 520
 521        uint8_t  cgn_stat_peer_month; /* Last peer congestion FPIN */
 522        uint8_t  cgn_stat_peer_day;
 523        uint8_t  cgn_stat_peer_year;
 524        uint8_t  cgn_stat_peer_hour;
 525        uint8_t  cgn_stat_peer_min;
 526        uint8_t  cgn_stat_peer_sec;
 527
 528        uint8_t  cgn_stat_lnk_month; /* Last link integrity FPIN */
 529        uint8_t  cgn_stat_lnk_day;
 530        uint8_t  cgn_stat_lnk_year;
 531        uint8_t  cgn_stat_lnk_hour;
 532        uint8_t  cgn_stat_lnk_min;
 533        uint8_t  cgn_stat_lnk_sec;
 534
 535        uint8_t  cgn_stat_del_month; /* Last delivery notification FPIN */
 536        uint8_t  cgn_stat_del_day;
 537        uint8_t  cgn_stat_del_year;
 538        uint8_t  cgn_stat_del_hour;
 539        uint8_t  cgn_stat_del_min;
 540        uint8_t  cgn_stat_del_sec;
 541#define LPFC_CGN_STAT_SIZE      48
 542#define LPFC_CGN_DATA_SIZE      (sizeof(struct lpfc_cgn_info) -  \
 543                                LPFC_CGN_STAT_SIZE - sizeof(uint32_t))
 544
 545        __le32   cgn_info_crc;
 546#define LPFC_CGN_CRC32_MAGIC_NUMBER     0x1EDC6F41
 547#define LPFC_CGN_CRC32_SEED             0xFFFFFFFF
 548};
 549
 550#define LPFC_CGN_INFO_SZ        (sizeof(struct lpfc_cgn_info) -  \
 551                                sizeof(uint32_t))
 552
 553struct lpfc_cgn_stat {
 554        atomic64_t total_bytes;
 555        atomic64_t rcv_bytes;
 556        atomic64_t rx_latency;
 557#define LPFC_CGN_NOT_SENT       0xFFFFFFFFFFFFFFFFLL
 558        atomic_t rx_io_cnt;
 559};
 560
 561struct lpfc_cgn_acqe_stat {
 562        atomic64_t alarm;
 563        atomic64_t warn;
 564};
 565
 566struct lpfc_vport {
 567        struct lpfc_hba *phba;
 568        struct list_head listentry;
 569        uint8_t port_type;
 570#define LPFC_PHYSICAL_PORT 1
 571#define LPFC_NPIV_PORT  2
 572#define LPFC_FABRIC_PORT 3
 573        enum discovery_state port_state;
 574
 575        uint16_t vpi;
 576        uint16_t vfi;
 577        uint8_t vpi_state;
 578#define LPFC_VPI_REGISTERED     0x1
 579
 580        uint32_t fc_flag;       /* FC flags */
 581/* Several of these flags are HBA centric and should be moved to
 582 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
 583 */
 584#define FC_PT2PT                0x1      /* pt2pt with no fabric */
 585#define FC_PT2PT_PLOGI          0x2      /* pt2pt initiate PLOGI */
 586#define FC_DISC_TMO             0x4      /* Discovery timer running */
 587#define FC_PUBLIC_LOOP          0x8      /* Public loop */
 588#define FC_LBIT                 0x10     /* LOGIN bit in loopinit set */
 589#define FC_RSCN_MODE            0x20     /* RSCN cmd rcv'ed */
 590#define FC_NLP_MORE             0x40     /* More node to process in node tbl */
 591#define FC_OFFLINE_MODE         0x80     /* Interface is offline for diag */
 592#define FC_FABRIC               0x100    /* We are fabric attached */
 593#define FC_VPORT_LOGO_RCVD      0x200    /* LOGO received on vport */
 594#define FC_RSCN_DISCOVERY       0x400    /* Auth all devices after RSCN */
 595#define FC_LOGO_RCVD_DID_CHNG   0x800    /* FDISC on phys port detect DID chng*/
 596#define FC_SCSI_SCAN_TMO        0x4000   /* scsi scan timer running */
 597#define FC_ABORT_DISCOVERY      0x8000   /* we want to abort discovery */
 598#define FC_NDISC_ACTIVE         0x10000  /* NPort discovery active */
 599#define FC_BYPASSED_MODE        0x20000  /* NPort is in bypassed mode */
 600#define FC_VPORT_NEEDS_REG_VPI  0x80000  /* Needs to have its vpi registered */
 601#define FC_RSCN_DEFERRED        0x100000 /* A deferred RSCN being processed */
 602#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
 603#define FC_VPORT_CVL_RCVD       0x400000 /* VLink failed due to CVL      */
 604#define FC_VFI_REGISTERED       0x800000 /* VFI is registered */
 605#define FC_FDISC_COMPLETED      0x1000000/* FDISC completed */
 606#define FC_DISC_DELAYED         0x2000000/* Delay NPort discovery */
 607
 608        uint32_t ct_flags;
 609#define FC_CT_RFF_ID            0x1      /* RFF_ID accepted by switch */
 610#define FC_CT_RNN_ID            0x2      /* RNN_ID accepted by switch */
 611#define FC_CT_RSNN_NN           0x4      /* RSNN_NN accepted by switch */
 612#define FC_CT_RSPN_ID           0x8      /* RSPN_ID accepted by switch */
 613#define FC_CT_RFT_ID            0x10     /* RFT_ID accepted by switch */
 614
 615        struct list_head fc_nodes;
 616
 617        /* Keep counters for the number of entries in each list. */
 618        uint16_t fc_plogi_cnt;
 619        uint16_t fc_adisc_cnt;
 620        uint16_t fc_reglogin_cnt;
 621        uint16_t fc_prli_cnt;
 622        uint16_t fc_unmap_cnt;
 623        uint16_t fc_map_cnt;
 624        uint16_t fc_npr_cnt;
 625        uint16_t fc_unused_cnt;
 626        struct serv_parm fc_sparam;     /* buffer for our service parameters */
 627
 628        uint32_t fc_myDID;      /* fibre channel S_ID */
 629        uint32_t fc_prevDID;    /* previous fibre channel S_ID */
 630        struct lpfc_name fabric_portname;
 631        struct lpfc_name fabric_nodename;
 632
 633        int32_t stopped;   /* HBA has not been restarted since last ERATT */
 634        uint8_t fc_linkspeed;   /* Link speed after last READ_LA */
 635
 636        uint32_t num_disc_nodes;        /* in addition to hba_state */
 637        uint32_t gidft_inp;             /* cnt of outstanding GID_FTs */
 638
 639        uint32_t fc_nlp_cnt;    /* outstanding NODELIST requests */
 640        uint32_t fc_rscn_id_cnt;        /* count of RSCNs payloads in list */
 641        uint32_t fc_rscn_flush;         /* flag use of fc_rscn_id_list */
 642        struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
 643        struct lpfc_name fc_nodename;   /* fc nodename */
 644        struct lpfc_name fc_portname;   /* fc portname */
 645
 646        struct lpfc_work_evt disc_timeout_evt;
 647
 648        struct timer_list fc_disctmo;   /* Discovery rescue timer */
 649        uint8_t fc_ns_retry;    /* retries for fabric nameserver */
 650        uint32_t fc_prli_sent;  /* cntr for outstanding PRLIs */
 651
 652        spinlock_t work_port_lock;
 653        uint32_t work_port_events; /* Timeout to be handled  */
 654#define WORKER_DISC_TMO                0x1      /* vport: Discovery timeout */
 655#define WORKER_ELS_TMO                 0x2      /* vport: ELS timeout */
 656#define WORKER_DELAYED_DISC_TMO        0x8      /* vport: delayed discovery */
 657
 658#define WORKER_MBOX_TMO                0x100    /* hba: MBOX timeout */
 659#define WORKER_HB_TMO                  0x200    /* hba: Heart beat timeout */
 660#define WORKER_FABRIC_BLOCK_TMO        0x400    /* hba: fabric block timeout */
 661#define WORKER_RAMP_DOWN_QUEUE         0x800    /* hba: Decrease Q depth */
 662#define WORKER_RAMP_UP_QUEUE           0x1000   /* hba: Increase Q depth */
 663#define WORKER_SERVICE_TXQ             0x2000   /* hba: IOCBs on the txq */
 664#define WORKER_CHECK_INACTIVE_VMID     0x4000   /* hba: check inactive vmids */
 665#define WORKER_CHECK_VMID_ISSUE_QFPA   0x8000   /* vport: Check if qfpa needs
 666                                                 * to be issued */
 667
 668        struct timer_list els_tmofunc;
 669        struct timer_list delayed_disc_tmo;
 670
 671        int unreg_vpi_cmpl;
 672
 673        uint8_t load_flag;
 674#define FC_LOADING              0x1     /* HBA in process of loading drvr */
 675#define FC_UNLOADING            0x2     /* HBA in process of unloading drvr */
 676#define FC_ALLOW_FDMI           0x4     /* port is ready for FDMI requests */
 677#define FC_ALLOW_VMID           0x8     /* Allow VMID I/Os */
 678#define FC_DEREGISTER_ALL_APP_ID        0x10    /* Deregister all VMIDs */
 679        /* Vport Config Parameters */
 680        uint32_t cfg_scan_down;
 681        uint32_t cfg_lun_queue_depth;
 682        uint32_t cfg_nodev_tmo;
 683        uint32_t cfg_devloss_tmo;
 684        uint32_t cfg_restrict_login;
 685        uint32_t cfg_peer_port_login;
 686        uint32_t cfg_fcp_class;
 687        uint32_t cfg_use_adisc;
 688        uint32_t cfg_discovery_threads;
 689        uint32_t cfg_log_verbose;
 690        uint32_t cfg_enable_fc4_type;
 691        uint32_t cfg_max_luns;
 692        uint32_t cfg_enable_da_id;
 693        uint32_t cfg_max_scsicmpl_time;
 694        uint32_t cfg_tgt_queue_depth;
 695        uint32_t cfg_first_burst_size;
 696        uint32_t dev_loss_tmo_changed;
 697        /* VMID parameters */
 698        u8 lpfc_vmid_host_uuid[LPFC_COMPRESS_VMID_SIZE];
 699        u32 max_vmid;   /* maximum VMIDs allowed per port */
 700        u32 cur_vmid_cnt;       /* Current VMID count */
 701#define LPFC_MIN_VMID   4
 702#define LPFC_MAX_VMID   255
 703        u32 vmid_inactivity_timeout;    /* Time after which the VMID */
 704                                                /* deregisters from switch */
 705        u32 vmid_priority_tagging;
 706#define LPFC_VMID_PRIO_TAG_DISABLE      0 /* Disable */
 707#define LPFC_VMID_PRIO_TAG_SUP_TARGETS  1 /* Allow supported targets only */
 708#define LPFC_VMID_PRIO_TAG_ALL_TARGETS  2 /* Allow all targets */
 709        unsigned long *vmid_priority_range;
 710#define LPFC_VMID_MAX_PRIORITY_RANGE    256
 711#define LPFC_VMID_PRIORITY_BITMAP_SIZE  32
 712        u8 vmid_flag;
 713#define LPFC_VMID_IN_USE                0x1
 714#define LPFC_VMID_ISSUE_QFPA            0x2
 715#define LPFC_VMID_QFPA_CMPL             0x4
 716#define LPFC_VMID_QOS_ENABLED           0x8
 717#define LPFC_VMID_TIMER_ENBLD           0x10
 718        struct fc_qfpa_res *qfpa_res;
 719
 720        struct fc_vport *fc_vport;
 721
 722        struct lpfc_vmid *vmid;
 723        DECLARE_HASHTABLE(hash_table, 8);
 724        rwlock_t vmid_lock;
 725        struct lpfc_vmid_priority_info vmid_priority;
 726
 727#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
 728        struct dentry *debug_disc_trc;
 729        struct dentry *debug_nodelist;
 730        struct dentry *debug_nvmestat;
 731        struct dentry *debug_scsistat;
 732        struct dentry *debug_ioktime;
 733        struct dentry *debug_hdwqstat;
 734        struct dentry *vport_debugfs_root;
 735        struct lpfc_debugfs_trc *disc_trc;
 736        atomic_t disc_trc_cnt;
 737#endif
 738        uint8_t stat_data_enabled;
 739        uint8_t stat_data_blocked;
 740        struct list_head rcv_buffer_list;
 741        unsigned long rcv_buffer_time_stamp;
 742        uint32_t vport_flag;
 743#define STATIC_VPORT    1
 744#define FAWWPN_SET      2
 745#define FAWWPN_PARAM_CHG        4
 746
 747        uint16_t fdmi_num_disc;
 748        uint32_t fdmi_hba_mask;
 749        uint32_t fdmi_port_mask;
 750
 751        /* There is a single nvme instance per vport. */
 752        struct nvme_fc_local_port *localport;
 753        uint8_t  nvmei_support; /* driver supports NVME Initiator */
 754        uint32_t last_fcp_wqidx;
 755        uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */
 756};
 757
 758struct hbq_s {
 759        uint16_t entry_count;     /* Current number of HBQ slots */
 760        uint16_t buffer_count;    /* Current number of buffers posted */
 761        uint32_t next_hbqPutIdx;  /* Index to next HBQ slot to use */
 762        uint32_t hbqPutIdx;       /* HBQ slot to use */
 763        uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
 764        void    *hbq_virt;        /* Virtual ptr to this hbq */
 765        struct list_head hbq_buffer_list;  /* buffers assigned to this HBQ */
 766                                  /* Callback for HBQ buffer allocation */
 767        struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
 768                                  /* Callback for HBQ buffer free */
 769        void               (*hbq_free_buffer) (struct lpfc_hba *,
 770                                               struct hbq_dmabuf *);
 771};
 772
 773/* this matches the position in the lpfc_hbq_defs array */
 774#define LPFC_ELS_HBQ    0
 775#define LPFC_MAX_HBQS   1
 776
 777enum hba_temp_state {
 778        HBA_NORMAL_TEMP,
 779        HBA_OVER_TEMP
 780};
 781
 782enum intr_type_t {
 783        NONE = 0,
 784        INTx,
 785        MSI,
 786        MSIX,
 787};
 788
 789#define LPFC_CT_CTX_MAX         64
 790struct unsol_rcv_ct_ctx {
 791        uint32_t ctxt_id;
 792        uint32_t SID;
 793        uint32_t valid;
 794#define UNSOL_INVALID           0
 795#define UNSOL_VALID             1
 796        uint16_t oxid;
 797        uint16_t rxid;
 798};
 799
 800#define LPFC_USER_LINK_SPEED_AUTO       0       /* auto select (default)*/
 801#define LPFC_USER_LINK_SPEED_1G         1       /* 1 Gigabaud */
 802#define LPFC_USER_LINK_SPEED_2G         2       /* 2 Gigabaud */
 803#define LPFC_USER_LINK_SPEED_4G         4       /* 4 Gigabaud */
 804#define LPFC_USER_LINK_SPEED_8G         8       /* 8 Gigabaud */
 805#define LPFC_USER_LINK_SPEED_10G        10      /* 10 Gigabaud */
 806#define LPFC_USER_LINK_SPEED_16G        16      /* 16 Gigabaud */
 807#define LPFC_USER_LINK_SPEED_32G        32      /* 32 Gigabaud */
 808#define LPFC_USER_LINK_SPEED_64G        64      /* 64 Gigabaud */
 809#define LPFC_USER_LINK_SPEED_MAX        LPFC_USER_LINK_SPEED_64G
 810
 811#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
 812
 813enum nemb_type {
 814        nemb_mse = 1,
 815        nemb_hbd
 816};
 817
 818enum mbox_type {
 819        mbox_rd = 1,
 820        mbox_wr
 821};
 822
 823enum dma_type {
 824        dma_mbox = 1,
 825        dma_ebuf
 826};
 827
 828enum sta_type {
 829        sta_pre_addr = 1,
 830        sta_pos_addr
 831};
 832
 833struct lpfc_mbox_ext_buf_ctx {
 834        uint32_t state;
 835#define LPFC_BSG_MBOX_IDLE              0
 836#define LPFC_BSG_MBOX_HOST              1
 837#define LPFC_BSG_MBOX_PORT              2
 838#define LPFC_BSG_MBOX_DONE              3
 839#define LPFC_BSG_MBOX_ABTS              4
 840        enum nemb_type nembType;
 841        enum mbox_type mboxType;
 842        uint32_t numBuf;
 843        uint32_t mbxTag;
 844        uint32_t seqNum;
 845        struct lpfc_dmabuf *mbx_dmabuf;
 846        struct list_head ext_dmabuf_list;
 847};
 848
 849struct lpfc_epd_pool {
 850        /* Expedite pool */
 851        struct list_head list;
 852        u32 count;
 853        spinlock_t lock;        /* lock for expedite pool */
 854};
 855
 856enum ras_state {
 857        INACTIVE,
 858        REG_INPROGRESS,
 859        ACTIVE
 860};
 861
 862struct lpfc_ras_fwlog {
 863        uint8_t *fwlog_buff;
 864        uint32_t fw_buffcount; /* Buffer size posted to FW */
 865#define LPFC_RAS_BUFF_ENTERIES  16      /* Each entry can hold max of 64k */
 866#define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
 867#define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
 868#define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
 869        uint32_t fw_loglevel; /* Log level set */
 870        struct lpfc_dmabuf lwpd;
 871        struct list_head fwlog_buff_list;
 872
 873        /* RAS support status on adapter */
 874        bool ras_hwsupport; /* RAS Support available on HW or not */
 875        bool ras_enabled;   /* Ras Enabled for the function */
 876#define LPFC_RAS_DISABLE_LOGGING 0x00
 877#define LPFC_RAS_ENABLE_LOGGING 0x01
 878        enum ras_state state;    /* RAS logging running state */
 879};
 880
 881#define DBG_LOG_STR_SZ 256
 882#define DBG_LOG_SZ 256
 883
 884struct dbg_log_ent {
 885        char log[DBG_LOG_STR_SZ];
 886        u64     t_ns;
 887};
 888
 889enum lpfc_irq_chann_mode {
 890        /* Assign IRQs to all possible cpus that have hardware queues */
 891        NORMAL_MODE,
 892
 893        /* Assign IRQs only to cpus on the same numa node as HBA */
 894        NUMA_MODE,
 895
 896        /* Assign IRQs only on non-hyperthreaded CPUs. This is the
 897         * same as normal_mode, but assign IRQS only on physical CPUs.
 898         */
 899        NHT_MODE,
 900};
 901
 902struct lpfc_hba {
 903        /* SCSI interface function jump table entries */
 904        struct lpfc_io_buf * (*lpfc_get_scsi_buf)
 905                (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
 906                struct scsi_cmnd *cmnd);
 907        int (*lpfc_scsi_prep_dma_buf)
 908                (struct lpfc_hba *, struct lpfc_io_buf *);
 909        void (*lpfc_scsi_unprep_dma_buf)
 910                (struct lpfc_hba *, struct lpfc_io_buf *);
 911        void (*lpfc_release_scsi_buf)
 912                (struct lpfc_hba *, struct lpfc_io_buf *);
 913        void (*lpfc_rampdown_queue_depth)
 914                (struct lpfc_hba *);
 915        void (*lpfc_scsi_prep_cmnd)
 916                (struct lpfc_vport *, struct lpfc_io_buf *,
 917                 struct lpfc_nodelist *);
 918        int (*lpfc_scsi_prep_cmnd_buf)
 919                (struct lpfc_vport *vport,
 920                 struct lpfc_io_buf *lpfc_cmd,
 921                 uint8_t tmo);
 922
 923        /* IOCB interface function jump table entries */
 924        int (*__lpfc_sli_issue_iocb)
 925                (struct lpfc_hba *, uint32_t,
 926                 struct lpfc_iocbq *, uint32_t);
 927        int (*__lpfc_sli_issue_fcp_io)
 928                (struct lpfc_hba *phba, uint32_t ring_number,
 929                 struct lpfc_iocbq *piocb, uint32_t flag);
 930        void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
 931                         struct lpfc_iocbq *);
 932        int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
 933        IOCB_t * (*lpfc_get_iocb_from_iocbq)
 934                (struct lpfc_iocbq *);
 935        void (*lpfc_scsi_cmd_iocb_cmpl)
 936                (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
 937
 938        /* MBOX interface function jump table entries */
 939        int (*lpfc_sli_issue_mbox)
 940                (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 941
 942        /* Slow-path IOCB process function jump table entries */
 943        void (*lpfc_sli_handle_slow_ring_event)
 944                (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 945                 uint32_t mask);
 946
 947        /* INIT device interface function jump table entries */
 948        int (*lpfc_sli_hbq_to_firmware)
 949                (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
 950        int (*lpfc_sli_brdrestart)
 951                (struct lpfc_hba *);
 952        int (*lpfc_sli_brdready)
 953                (struct lpfc_hba *, uint32_t);
 954        void (*lpfc_handle_eratt)
 955                (struct lpfc_hba *);
 956        void (*lpfc_stop_port)
 957                (struct lpfc_hba *);
 958        int (*lpfc_hba_init_link)
 959                (struct lpfc_hba *, uint32_t);
 960        int (*lpfc_hba_down_link)
 961                (struct lpfc_hba *, uint32_t);
 962        int (*lpfc_selective_reset)
 963                (struct lpfc_hba *);
 964
 965        int (*lpfc_bg_scsi_prep_dma_buf)
 966                (struct lpfc_hba *, struct lpfc_io_buf *);
 967        /* Add new entries here */
 968
 969        /* expedite pool */
 970        struct lpfc_epd_pool epd_pool;
 971
 972        /* SLI4 specific HBA data structure */
 973        struct lpfc_sli4_hba sli4_hba;
 974
 975        struct workqueue_struct *wq;
 976        struct delayed_work     eq_delay_work;
 977
 978#define LPFC_IDLE_STAT_DELAY 1000
 979        struct delayed_work     idle_stat_delay_work;
 980
 981        struct lpfc_sli sli;
 982        uint8_t pci_dev_grp;    /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
 983        uint32_t sli_rev;               /* SLI2, SLI3, or SLI4 */
 984        uint32_t sli3_options;          /* Mask of enabled SLI3 options */
 985#define LPFC_SLI3_HBQ_ENABLED           0x01
 986#define LPFC_SLI3_NPIV_ENABLED          0x02
 987#define LPFC_SLI3_VPORT_TEARDOWN        0x04
 988#define LPFC_SLI3_CRP_ENABLED           0x08
 989#define LPFC_SLI3_BG_ENABLED            0x20
 990#define LPFC_SLI3_DSS_ENABLED           0x40
 991#define LPFC_SLI4_PERFH_ENABLED         0x80
 992#define LPFC_SLI4_PHWQ_ENABLED          0x100
 993        uint32_t iocb_cmd_size;
 994        uint32_t iocb_rsp_size;
 995
 996        struct lpfc_trunk_link  trunk_link;
 997        enum hba_state link_state;
 998        uint32_t link_flag;     /* link state flags */
 999#define LS_LOOPBACK_MODE      0x1       /* NPort is in Loopback mode */
1000                                        /* This flag is set while issuing */
1001                                        /* INIT_LINK mailbox command */
1002#define LS_NPIV_FAB_SUPPORTED 0x2       /* Fabric supports NPIV */
1003#define LS_IGNORE_ERATT       0x4       /* intr handler should ignore ERATT */
1004#define LS_MDS_LINK_DOWN      0x8       /* MDS Diagnostics Link Down */
1005#define LS_MDS_LOOPBACK       0x10      /* MDS Diagnostics Link Up (Loopback) */
1006#define LS_CT_VEN_RPA         0x20      /* Vendor RPA sent to switch */
1007
1008        uint32_t hba_flag;      /* hba generic flags */
1009#define HBA_ERATT_HANDLED       0x1 /* This flag is set when eratt handled */
1010#define DEFER_ERATT             0x2 /* Deferred error attention in progress */
1011#define HBA_FCOE_MODE           0x4 /* HBA function in FCoE Mode */
1012#define HBA_SP_QUEUE_EVT        0x8 /* Slow-path qevt posted to worker thread*/
1013#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
1014#define HBA_PERSISTENT_TOPO     0x20 /* Persistent topology support in hba */
1015#define ELS_XRI_ABORT_EVENT     0x40 /* ELS_XRI abort event was queued */
1016#define ASYNC_EVENT             0x80
1017#define LINK_DISABLED           0x100 /* Link disabled by user */
1018#define FCF_TS_INPROG           0x200 /* FCF table scan in progress */
1019#define FCF_RR_INPROG           0x400 /* FCF roundrobin flogi in progress */
1020#define HBA_FIP_SUPPORT         0x800 /* FIP support in HBA */
1021#define HBA_AER_ENABLED         0x1000 /* AER enabled with HBA */
1022#define HBA_DEVLOSS_TMO         0x2000 /* HBA in devloss timeout */
1023#define HBA_RRQ_ACTIVE          0x4000 /* process the rrq active list */
1024#define HBA_IOQ_FLUSH           0x8000 /* FCP/NVME I/O queues being flushed */
1025#define HBA_FW_DUMP_OP          0x10000 /* Skips fn reset before FW dump */
1026#define HBA_RECOVERABLE_UE      0x20000 /* Firmware supports recoverable UE */
1027#define HBA_FORCED_LINK_SPEED   0x40000 /*
1028                                         * Firmware supports Forced Link Speed
1029                                         * capability
1030                                         */
1031#define HBA_FLOGI_ISSUED        0x100000 /* FLOGI was issued */
1032#define HBA_CGN_RSVD1           0x200000 /* Reserved CGN flag */
1033#define HBA_CGN_DAY_WRAP        0x400000 /* HBA Congestion info day wraps */
1034#define HBA_DEFER_FLOGI         0x800000 /* Defer FLOGI till read_sparm cmpl */
1035#define HBA_SETUP               0x1000000 /* Signifies HBA setup is completed */
1036#define HBA_NEEDS_CFG_PORT      0x2000000 /* SLI3 - needs a CONFIG_PORT mbox */
1037#define HBA_HBEAT_INP           0x4000000 /* mbox HBEAT is in progress */
1038#define HBA_HBEAT_TMO           0x8000000 /* HBEAT initiated after timeout */
1039#define HBA_FLOGI_OUTSTANDING   0x10000000 /* FLOGI is outstanding */
1040
1041        uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
1042        struct lpfc_dmabuf slim2p;
1043
1044        MAILBOX_t *mbox;
1045        uint32_t *mbox_ext;
1046        struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
1047        uint32_t ha_copy;
1048        struct _PCB *pcb;
1049        struct _IOCB *IOCBs;
1050
1051        struct lpfc_dmabuf hbqslimp;
1052
1053        uint16_t pci_cfg_value;
1054
1055        uint8_t fc_linkspeed;   /* Link speed after last READ_LA */
1056
1057        uint32_t fc_eventTag;   /* event tag for link attention */
1058        uint32_t link_events;
1059
1060        /* These fields used to be binfo */
1061        uint32_t fc_pref_DID;   /* preferred D_ID */
1062        uint8_t  fc_pref_ALPA;  /* preferred AL_PA */
1063        uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
1064        uint32_t fc_edtov;      /* E_D_TOV timer value */
1065        uint32_t fc_arbtov;     /* ARB_TOV timer value */
1066        uint32_t fc_ratov;      /* R_A_TOV timer value */
1067        uint32_t fc_rttov;      /* R_T_TOV timer value */
1068        uint32_t fc_altov;      /* AL_TOV timer value */
1069        uint32_t fc_crtov;      /* C_R_TOV timer value */
1070
1071        struct serv_parm fc_fabparam;   /* fabric service parameters buffer */
1072        uint8_t alpa_map[128];  /* AL_PA map from READ_LA */
1073
1074        uint32_t lmt;
1075
1076        uint32_t fc_topology;   /* link topology, from LINK INIT */
1077        uint32_t fc_topology_changed;   /* link topology, from LINK INIT */
1078
1079        struct lpfc_stats fc_stat;
1080
1081        struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
1082        uint32_t nport_event_cnt;       /* timestamp for nlplist entry */
1083
1084        uint8_t  wwnn[8];
1085        uint8_t  wwpn[8];
1086        uint32_t RandomData[7];
1087        uint8_t  fcp_embed_io;
1088        uint8_t  nvmet_support; /* driver supports NVMET */
1089#define LPFC_NVMET_MAX_PORTS    32
1090        uint8_t  mds_diags_support;
1091        uint8_t  bbcredit_support;
1092        uint8_t  enab_exp_wqcq_pages;
1093        u8       nsler; /* Firmware supports FC-NVMe-2 SLER */
1094
1095        /* HBA Config Parameters */
1096        uint32_t cfg_ack0;
1097        uint32_t cfg_xri_rebalancing;
1098        uint32_t cfg_xpsgl;
1099        uint32_t cfg_enable_npiv;
1100        uint32_t cfg_enable_rrq;
1101        uint32_t cfg_topology;
1102        uint32_t cfg_link_speed;
1103#define LPFC_FCF_FOV 1          /* Fast fcf failover */
1104#define LPFC_FCF_PRIORITY 2     /* Priority fcf failover */
1105        uint32_t cfg_fcf_failover_policy;
1106        uint32_t cfg_fcp_io_sched;
1107        uint32_t cfg_ns_query;
1108        uint32_t cfg_fcp2_no_tgt_reset;
1109        uint32_t cfg_cr_delay;
1110        uint32_t cfg_cr_count;
1111        uint32_t cfg_multi_ring_support;
1112        uint32_t cfg_multi_ring_rctl;
1113        uint32_t cfg_multi_ring_type;
1114        uint32_t cfg_poll;
1115        uint32_t cfg_poll_tmo;
1116        uint32_t cfg_task_mgmt_tmo;
1117        uint32_t cfg_use_msi;
1118        uint32_t cfg_auto_imax;
1119        uint32_t cfg_fcp_imax;
1120        uint32_t cfg_force_rscn;
1121        uint32_t cfg_cq_poll_threshold;
1122        uint32_t cfg_cq_max_proc_limit;
1123        uint32_t cfg_fcp_cpu_map;
1124        uint32_t cfg_fcp_mq_threshold;
1125        uint32_t cfg_hdw_queue;
1126        uint32_t cfg_irq_chann;
1127        uint32_t cfg_suppress_rsp;
1128        uint32_t cfg_nvme_oas;
1129        uint32_t cfg_nvme_embed_cmd;
1130        uint32_t cfg_nvmet_mrq_post;
1131        uint32_t cfg_nvmet_mrq;
1132        uint32_t cfg_enable_nvmet;
1133        uint32_t cfg_nvme_enable_fb;
1134        uint32_t cfg_nvmet_fb_size;
1135        uint32_t cfg_total_seg_cnt;
1136        uint32_t cfg_sg_seg_cnt;
1137        uint32_t cfg_nvme_seg_cnt;
1138        uint32_t cfg_scsi_seg_cnt;
1139        uint32_t cfg_sg_dma_buf_size;
1140        uint64_t cfg_soft_wwnn;
1141        uint64_t cfg_soft_wwpn;
1142        uint32_t cfg_hba_queue_depth;
1143        uint32_t cfg_enable_hba_reset;
1144        uint32_t cfg_enable_hba_heartbeat;
1145        uint32_t cfg_fof;
1146        uint32_t cfg_EnableXLane;
1147        uint8_t cfg_oas_tgt_wwpn[8];
1148        uint8_t cfg_oas_vpt_wwpn[8];
1149        uint32_t cfg_oas_lun_state;
1150#define OAS_LUN_ENABLE  1
1151#define OAS_LUN_DISABLE 0
1152        uint32_t cfg_oas_lun_status;
1153#define OAS_LUN_STATUS_EXISTS   0x01
1154        uint32_t cfg_oas_flags;
1155#define OAS_FIND_ANY_VPORT      0x01
1156#define OAS_FIND_ANY_TARGET     0x02
1157#define OAS_LUN_VALID   0x04
1158        uint32_t cfg_oas_priority;
1159        uint32_t cfg_XLanePriority;
1160        uint32_t cfg_enable_bg;
1161        uint32_t cfg_prot_mask;
1162        uint32_t cfg_prot_guard;
1163        uint32_t cfg_hostmem_hgp;
1164        uint32_t cfg_log_verbose;
1165        uint32_t cfg_enable_fc4_type;
1166        uint32_t cfg_aer_support;
1167        uint32_t cfg_sriov_nr_virtfn;
1168        uint32_t cfg_request_firmware_upgrade;
1169        uint32_t cfg_suppress_link_up;
1170        uint32_t cfg_rrq_xri_bitmap_sz;
1171        u32      cfg_fcp_wait_abts_rsp;
1172        uint32_t cfg_delay_discovery;
1173        uint32_t cfg_sli_mode;
1174#define LPFC_INITIALIZE_LINK              0     /* do normal init_link mbox */
1175#define LPFC_DELAY_INIT_LINK              1     /* layered driver hold off */
1176#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2     /* wait, manual intervention */
1177        uint32_t cfg_fdmi_on;
1178#define LPFC_FDMI_NO_SUPPORT    0       /* FDMI not supported */
1179#define LPFC_FDMI_SUPPORT       1       /* FDMI supported? */
1180        uint32_t cfg_enable_SmartSAN;
1181        uint32_t cfg_enable_mds_diags;
1182        uint32_t cfg_ras_fwlog_level;
1183        uint32_t cfg_ras_fwlog_buffsize;
1184        uint32_t cfg_ras_fwlog_func;
1185        uint32_t cfg_enable_bbcr;       /* Enable BB Credit Recovery */
1186        uint32_t cfg_enable_dpp;        /* Enable Direct Packet Push */
1187#define LPFC_ENABLE_FCP  1
1188#define LPFC_ENABLE_NVME 2
1189#define LPFC_ENABLE_BOTH 3
1190        uint32_t cfg_enable_pbde;
1191        uint32_t cfg_enable_mi;
1192        struct nvmet_fc_target_port *targetport;
1193        lpfc_vpd_t vpd;         /* vital product data */
1194
1195        u32 cfg_max_vmid;       /* maximum VMIDs allowed per port */
1196        u32 cfg_vmid_app_header;
1197#define LPFC_VMID_APP_HEADER_DISABLE    0
1198#define LPFC_VMID_APP_HEADER_ENABLE     1
1199        u32 cfg_vmid_priority_tagging;
1200        u32 cfg_vmid_inactivity_timeout;        /* Time after which the VMID */
1201                                                /* deregisters from switch */
1202        struct pci_dev *pcidev;
1203        struct list_head      work_list;
1204        uint32_t              work_ha;      /* Host Attention Bits for WT */
1205        uint32_t              work_ha_mask; /* HA Bits owned by WT        */
1206        uint32_t              work_hs;      /* HS stored in case of ERRAT */
1207        uint32_t              work_status[2]; /* Extra status from SLIM */
1208
1209        wait_queue_head_t    work_waitq;
1210        struct task_struct   *worker_thread;
1211        unsigned long data_flags;
1212        uint32_t border_sge_num;
1213
1214        uint32_t hbq_in_use;            /* HBQs in use flag */
1215        uint32_t hbq_count;             /* Count of configured HBQs */
1216        struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies  */
1217
1218        atomic_t fcp_qidx;         /* next FCP WQ (RR Policy) */
1219        atomic_t nvme_qidx;        /* next NVME WQ (RR Policy) */
1220
1221        phys_addr_t pci_bar0_map;     /* Physical address for PCI BAR0 */
1222        phys_addr_t pci_bar1_map;     /* Physical address for PCI BAR1 */
1223        phys_addr_t pci_bar2_map;     /* Physical address for PCI BAR2 */
1224        void __iomem *slim_memmap_p;    /* Kernel memory mapped address for
1225                                           PCI BAR0 */
1226        void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
1227                                            PCI BAR2 */
1228
1229        void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
1230                                            PCI BAR0 with dual-ULP support */
1231        void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
1232                                            PCI BAR2 with dual-ULP support */
1233        void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
1234                                            PCI BAR4 with dual-ULP support */
1235#define PCI_64BIT_BAR0  0
1236#define PCI_64BIT_BAR2  2
1237#define PCI_64BIT_BAR4  4
1238        void __iomem *MBslimaddr;       /* virtual address for mbox cmds */
1239        void __iomem *HAregaddr;        /* virtual address for host attn reg */
1240        void __iomem *CAregaddr;        /* virtual address for chip attn reg */
1241        void __iomem *HSregaddr;        /* virtual address for host status
1242                                           reg */
1243        void __iomem *HCregaddr;        /* virtual address for host ctl reg */
1244
1245        struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
1246        struct lpfc_pgp   *port_gp;
1247        uint32_t __iomem  *hbq_put;     /* Address in SLIM to HBQ put ptrs */
1248        uint32_t          *hbq_get;     /* Host mem address of HBQ get ptrs */
1249
1250        int brd_no;                     /* FC board number */
1251        char SerialNumber[32];          /* adapter Serial Number */
1252        char OptionROMVersion[32];      /* adapter BIOS / Fcode version */
1253        char BIOSVersion[16];           /* Boot BIOS version */
1254        char ModelDesc[256];            /* Model Description */
1255        char ModelName[80];             /* Model Name */
1256        char ProgramType[256];          /* Program Type */
1257        char Port[20];                  /* Port No */
1258        uint8_t vpd_flag;               /* VPD data flag */
1259
1260#define VPD_MODEL_DESC      0x1         /* valid vpd model description */
1261#define VPD_MODEL_NAME      0x2         /* valid vpd model name */
1262#define VPD_PROGRAM_TYPE    0x4         /* valid vpd program type */
1263#define VPD_PORT            0x8         /* valid vpd port data */
1264#define VPD_MASK            0xf         /* mask for any vpd data */
1265
1266        uint8_t soft_wwn_enable;
1267
1268        struct timer_list fcp_poll_timer;
1269        struct timer_list eratt_poll;
1270        uint32_t eratt_poll_interval;
1271
1272        uint64_t bg_guard_err_cnt;
1273        uint64_t bg_apptag_err_cnt;
1274        uint64_t bg_reftag_err_cnt;
1275
1276        /* fastpath list. */
1277        spinlock_t scsi_buf_list_get_lock;  /* SCSI buf alloc list lock */
1278        spinlock_t scsi_buf_list_put_lock;  /* SCSI buf free list lock */
1279        struct list_head lpfc_scsi_buf_list_get;
1280        struct list_head lpfc_scsi_buf_list_put;
1281        uint32_t total_scsi_bufs;
1282        struct list_head lpfc_iocb_list;
1283        uint32_t total_iocbq_bufs;
1284        struct list_head active_rrq_list;
1285        spinlock_t hbalock;
1286        struct work_struct  unblock_request_work; /* SCSI layer unblock IOs */
1287
1288        /* dma_mem_pools */
1289        struct dma_pool *lpfc_sg_dma_buf_pool;
1290        struct dma_pool *lpfc_mbuf_pool;
1291        struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
1292        struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
1293        struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
1294        struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
1295        struct dma_pool *lpfc_cmd_rsp_buf_pool;
1296        struct lpfc_dma_pool lpfc_mbuf_safety_pool;
1297
1298        mempool_t *mbox_mem_pool;
1299        mempool_t *nlp_mem_pool;
1300        mempool_t *rrq_pool;
1301        mempool_t *active_rrq_pool;
1302
1303        struct fc_host_statistics link_stats;
1304        enum lpfc_irq_chann_mode irq_chann_mode;
1305        enum intr_type_t intr_type;
1306        uint32_t intr_mode;
1307#define LPFC_INTR_ERROR 0xFFFFFFFF
1308        struct list_head port_list;
1309        spinlock_t port_list_lock;      /* lock for port_list mutations */
1310        struct lpfc_vport *pport;       /* physical lpfc_vport pointer */
1311        uint16_t max_vpi;               /* Maximum virtual nports */
1312#define LPFC_MAX_VPI    0xFF            /* Max number VPI supported 0 - 0xff */
1313#define LPFC_MAX_VPORTS 0x100           /* Max vports per port, with pport */
1314        uint16_t max_vports;            /*
1315                                         * For IOV HBAs max_vpi can change
1316                                         * after a reset. max_vports is max
1317                                         * number of vports present. This can
1318                                         * be greater than max_vpi.
1319                                         */
1320        uint16_t vpi_base;
1321        uint16_t vfi_base;
1322        unsigned long *vpi_bmask;       /* vpi allocation table */
1323        uint16_t *vpi_ids;
1324        uint16_t vpi_count;
1325        struct list_head lpfc_vpi_blk_list;
1326
1327        /* Data structure used by fabric iocb scheduler */
1328        struct list_head fabric_iocb_list;
1329        atomic_t fabric_iocb_count;
1330        struct timer_list fabric_block_timer;
1331        unsigned long bit_flags;
1332#define FABRIC_COMANDS_BLOCKED  0
1333        atomic_t num_rsrc_err;
1334        atomic_t num_cmd_success;
1335        unsigned long last_rsrc_error_time;
1336        unsigned long last_ramp_down_time;
1337#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1338        struct dentry *hba_debugfs_root;
1339        atomic_t debugfs_vport_count;
1340        struct dentry *debug_multixri_pools;
1341        struct dentry *debug_hbqinfo;
1342        struct dentry *debug_dumpHostSlim;
1343        struct dentry *debug_dumpHBASlim;
1344        struct dentry *debug_InjErrLBA;  /* LBA to inject errors at */
1345        struct dentry *debug_InjErrNPortID;  /* NPortID to inject errors at */
1346        struct dentry *debug_InjErrWWPN;  /* WWPN to inject errors at */
1347        struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1348        struct dentry *debug_writeApp;   /* inject write app_tag errors */
1349        struct dentry *debug_writeRef;   /* inject write ref_tag errors */
1350        struct dentry *debug_readGuard;  /* inject read guard_tag errors */
1351        struct dentry *debug_readApp;    /* inject read app_tag errors */
1352        struct dentry *debug_readRef;    /* inject read ref_tag errors */
1353
1354        struct dentry *debug_nvmeio_trc;
1355        struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1356        struct dentry *debug_hdwqinfo;
1357#ifdef LPFC_HDWQ_LOCK_STAT
1358        struct dentry *debug_lockstat;
1359#endif
1360        struct dentry *debug_cgn_buffer;
1361        struct dentry *debug_rx_monitor;
1362        struct dentry *debug_ras_log;
1363        atomic_t nvmeio_trc_cnt;
1364        uint32_t nvmeio_trc_size;
1365        uint32_t nvmeio_trc_output_idx;
1366
1367        /* T10 DIF error injection */
1368        uint32_t lpfc_injerr_wgrd_cnt;
1369        uint32_t lpfc_injerr_wapp_cnt;
1370        uint32_t lpfc_injerr_wref_cnt;
1371        uint32_t lpfc_injerr_rgrd_cnt;
1372        uint32_t lpfc_injerr_rapp_cnt;
1373        uint32_t lpfc_injerr_rref_cnt;
1374        uint32_t lpfc_injerr_nportid;
1375        struct lpfc_name lpfc_injerr_wwpn;
1376        sector_t lpfc_injerr_lba;
1377#define LPFC_INJERR_LBA_OFF     (sector_t)(-1)
1378
1379        struct dentry *debug_slow_ring_trc;
1380        struct lpfc_debugfs_trc *slow_ring_trc;
1381        atomic_t slow_ring_trc_cnt;
1382        /* iDiag debugfs sub-directory */
1383        struct dentry *idiag_root;
1384        struct dentry *idiag_pci_cfg;
1385        struct dentry *idiag_bar_acc;
1386        struct dentry *idiag_que_info;
1387        struct dentry *idiag_que_acc;
1388        struct dentry *idiag_drb_acc;
1389        struct dentry *idiag_ctl_acc;
1390        struct dentry *idiag_mbx_acc;
1391        struct dentry *idiag_ext_acc;
1392        uint8_t lpfc_idiag_last_eq;
1393#endif
1394        uint16_t nvmeio_trc_on;
1395
1396        /* Used for deferred freeing of ELS data buffers */
1397        struct list_head elsbuf;
1398        int elsbuf_cnt;
1399        int elsbuf_prev_cnt;
1400
1401        uint8_t temp_sensor_support;
1402        /* Fields used for heart beat. */
1403        unsigned long last_completion_time;
1404        unsigned long skipped_hb;
1405        struct timer_list hb_tmofunc;
1406        struct timer_list rrq_tmr;
1407        enum hba_temp_state over_temp_state;
1408        /*
1409         * Following bit will be set for all buffer tags which are not
1410         * associated with any HBQ.
1411         */
1412#define QUE_BUFTAG_BIT  (1<<31)
1413        uint32_t buffer_tag_count;
1414        int wait_4_mlo_maint_flg;
1415        wait_queue_head_t wait_4_mlo_m_q;
1416        /* data structure used for latency data collection */
1417#define LPFC_NO_BUCKET     0
1418#define LPFC_LINEAR_BUCKET 1
1419#define LPFC_POWER2_BUCKET 2
1420        uint8_t  bucket_type;
1421        uint32_t bucket_base;
1422        uint32_t bucket_step;
1423
1424/* Maximum number of events that can be outstanding at any time*/
1425#define LPFC_MAX_EVT_COUNT 512
1426        atomic_t fast_event_count;
1427        uint32_t fcoe_eventtag;
1428        uint32_t fcoe_eventtag_at_fcf_scan;
1429        uint32_t fcoe_cvl_eventtag;
1430        uint32_t fcoe_cvl_eventtag_attn;
1431        struct lpfc_fcf fcf;
1432        uint8_t fc_map[3];
1433        uint8_t valid_vlan;
1434        uint16_t vlan_id;
1435        struct list_head fcf_conn_rec_list;
1436
1437        bool defer_flogi_acc_flag;
1438        uint16_t defer_flogi_acc_rx_id;
1439        uint16_t defer_flogi_acc_ox_id;
1440
1441        spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1442        struct list_head ct_ev_waiters;
1443        struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1444        uint32_t ctx_idx;
1445        struct timer_list inactive_vmid_poll;
1446
1447        /* RAS Support */
1448        struct lpfc_ras_fwlog ras_fwlog;
1449
1450        uint8_t menlo_flag;     /* menlo generic flags */
1451#define HBA_MENLO_SUPPORT       0x1 /* HBA supports menlo commands */
1452        uint32_t iocb_cnt;
1453        uint32_t iocb_max;
1454        atomic_t sdev_cnt;
1455        spinlock_t devicelock;  /* lock for luns list */
1456        mempool_t *device_data_mem_pool;
1457        struct list_head luns;
1458#define LPFC_TRANSGRESSION_HIGH_TEMPERATURE     0x0080
1459#define LPFC_TRANSGRESSION_LOW_TEMPERATURE      0x0040
1460#define LPFC_TRANSGRESSION_HIGH_VOLTAGE         0x0020
1461#define LPFC_TRANSGRESSION_LOW_VOLTAGE          0x0010
1462#define LPFC_TRANSGRESSION_HIGH_TXBIAS          0x0008
1463#define LPFC_TRANSGRESSION_LOW_TXBIAS           0x0004
1464#define LPFC_TRANSGRESSION_HIGH_TXPOWER         0x0002
1465#define LPFC_TRANSGRESSION_LOW_TXPOWER          0x0001
1466#define LPFC_TRANSGRESSION_HIGH_RXPOWER         0x8000
1467#define LPFC_TRANSGRESSION_LOW_RXPOWER          0x4000
1468        uint16_t sfp_alarm;
1469        uint16_t sfp_warning;
1470
1471#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1472        uint16_t hdwqstat_on;
1473#define LPFC_CHECK_OFF          0
1474#define LPFC_CHECK_NVME_IO      1
1475#define LPFC_CHECK_NVMET_IO     2
1476#define LPFC_CHECK_SCSI_IO      4
1477        uint16_t ktime_on;
1478        uint64_t ktime_data_samples;
1479        uint64_t ktime_status_samples;
1480        uint64_t ktime_last_cmd;
1481        uint64_t ktime_seg1_total;
1482        uint64_t ktime_seg1_min;
1483        uint64_t ktime_seg1_max;
1484        uint64_t ktime_seg2_total;
1485        uint64_t ktime_seg2_min;
1486        uint64_t ktime_seg2_max;
1487        uint64_t ktime_seg3_total;
1488        uint64_t ktime_seg3_min;
1489        uint64_t ktime_seg3_max;
1490        uint64_t ktime_seg4_total;
1491        uint64_t ktime_seg4_min;
1492        uint64_t ktime_seg4_max;
1493        uint64_t ktime_seg5_total;
1494        uint64_t ktime_seg5_min;
1495        uint64_t ktime_seg5_max;
1496        uint64_t ktime_seg6_total;
1497        uint64_t ktime_seg6_min;
1498        uint64_t ktime_seg6_max;
1499        uint64_t ktime_seg7_total;
1500        uint64_t ktime_seg7_min;
1501        uint64_t ktime_seg7_max;
1502        uint64_t ktime_seg8_total;
1503        uint64_t ktime_seg8_min;
1504        uint64_t ktime_seg8_max;
1505        uint64_t ktime_seg9_total;
1506        uint64_t ktime_seg9_min;
1507        uint64_t ktime_seg9_max;
1508        uint64_t ktime_seg10_total;
1509        uint64_t ktime_seg10_min;
1510        uint64_t ktime_seg10_max;
1511#endif
1512        /* CMF objects */
1513        struct lpfc_cgn_stat __percpu *cmf_stat;
1514        uint32_t cmf_interval_rate;  /* timer interval limit in ms */
1515        uint32_t cmf_timer_cnt;
1516#define LPFC_CMF_INTERVAL 90
1517        uint64_t cmf_link_byte_count;
1518        uint64_t cmf_max_line_rate;
1519        uint64_t cmf_max_bytes_per_interval;
1520        uint64_t cmf_last_sync_bw;
1521#define  LPFC_CMF_BLK_SIZE 512
1522        struct hrtimer cmf_timer;
1523        atomic_t cmf_bw_wait;
1524        atomic_t cmf_busy;
1525        atomic_t cmf_stop_io;      /* To block request and stop IO's */
1526        uint32_t cmf_active_mode;
1527        uint32_t cmf_info_per_interval;
1528#define LPFC_MAX_CMF_INFO 32
1529        struct timespec64 cmf_latency;  /* Interval congestion timestamp */
1530        uint32_t cmf_last_ts;   /* Interval congestion time (ms) */
1531        uint32_t cmf_active_info;
1532
1533        /* Signal / FPIN handling for Congestion Mgmt */
1534        u8 cgn_reg_fpin;           /* Negotiated value from RDF */
1535        u8 cgn_init_reg_fpin;      /* Initial value from READ_CONFIG */
1536#define LPFC_CGN_FPIN_NONE      0x0
1537#define LPFC_CGN_FPIN_WARN      0x1
1538#define LPFC_CGN_FPIN_ALARM     0x2
1539#define LPFC_CGN_FPIN_BOTH      (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM)
1540
1541        u8 cgn_reg_signal;          /* Negotiated value from EDC */
1542        u8 cgn_init_reg_signal;     /* Initial value from READ_CONFIG */
1543                /* cgn_reg_signal and cgn_init_reg_signal use
1544                 * enum fc_edc_cg_signal_cap_types
1545                 */
1546        u16 cgn_fpin_frequency;
1547#define LPFC_FPIN_INIT_FREQ     0xffff
1548        u32 cgn_sig_freq;
1549        u32 cgn_acqe_cnt;
1550
1551        /* RX monitor handling for CMF */
1552        struct rxtable_entry *rxtable;  /* RX_monitor information */
1553        atomic_t rxtable_idx_head;
1554#define LPFC_RXMONITOR_TABLE_IN_USE     (LPFC_MAX_RXMONITOR_ENTRY + 73)
1555        atomic_t rxtable_idx_tail;
1556        atomic_t rx_max_read_cnt;       /* Maximum read bytes */
1557        uint64_t rx_block_cnt;
1558
1559        /* Congestion parameters from flash */
1560        struct lpfc_cgn_param cgn_p;
1561
1562        /* Statistics counter for ACQE cgn alarms and warnings */
1563        struct lpfc_cgn_acqe_stat cgn_acqe_stat;
1564
1565        /* Congestion buffer information */
1566        struct lpfc_dmabuf *cgn_i;      /* Congestion Info buffer */
1567        atomic_t cgn_fabric_warn_cnt;   /* Total warning cgn events for info */
1568        atomic_t cgn_fabric_alarm_cnt;  /* Total alarm cgn events for info */
1569        atomic_t cgn_sync_warn_cnt;     /* Total warning events for SYNC wqe */
1570        atomic_t cgn_sync_alarm_cnt;    /* Total alarm events for SYNC wqe */
1571        atomic_t cgn_driver_evt_cnt;    /* Total driver cgn events for fmw */
1572        atomic_t cgn_latency_evt_cnt;
1573        struct timespec64 cgn_daily_ts;
1574        atomic64_t cgn_latency_evt;     /* Avg latency per minute */
1575        unsigned long cgn_evt_timestamp;
1576#define LPFC_CGN_TIMER_TO_MIN   60000 /* ms in a minute */
1577        uint32_t cgn_evt_minute;
1578#define LPFC_SEC_MIN            60
1579#define LPFC_MIN_HOUR           60
1580#define LPFC_HOUR_DAY           24
1581#define LPFC_MIN_DAY            (LPFC_MIN_HOUR * LPFC_HOUR_DAY)
1582
1583        struct hlist_node cpuhp;        /* used for cpuhp per hba callback */
1584        struct timer_list cpuhp_poll_timer;
1585        struct list_head poll_list;     /* slowpath eq polling list */
1586#define LPFC_POLL_HB    1               /* slowpath heartbeat */
1587#define LPFC_POLL_FASTPATH      0       /* called from fastpath */
1588#define LPFC_POLL_SLOWPATH      1       /* called from slowpath */
1589
1590        char os_host_name[MAXHOSTNAMELEN];
1591
1592        /* SCSI host template information - for physical port */
1593        struct scsi_host_template port_template;
1594        /* SCSI host template information - for all vports */
1595        struct scsi_host_template vport_template;
1596        atomic_t dbg_log_idx;
1597        atomic_t dbg_log_cnt;
1598        atomic_t dbg_log_dmping;
1599        struct dbg_log_ent dbg_log[DBG_LOG_SZ];
1600};
1601
1602#define LPFC_MAX_RXMONITOR_ENTRY        800
1603#define LPFC_MAX_RXMONITOR_DUMP         32
1604struct rxtable_entry {
1605        uint64_t total_bytes;   /* Total no of read bytes requested */
1606        uint64_t rcv_bytes;     /* Total no of read bytes completed */
1607        uint64_t avg_io_size;
1608        uint64_t avg_io_latency;/* Average io latency in microseconds */
1609        uint64_t max_read_cnt;  /* Maximum read bytes */
1610        uint64_t max_bytes_per_interval;
1611        uint32_t cmf_busy;
1612        uint32_t cmf_info;      /* CMF_SYNC_WQE info */
1613        uint32_t io_cnt;
1614        uint32_t timer_utilization;
1615        uint32_t timer_interval;
1616};
1617
1618static inline struct Scsi_Host *
1619lpfc_shost_from_vport(struct lpfc_vport *vport)
1620{
1621        return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1622}
1623
1624static inline void
1625lpfc_set_loopback_flag(struct lpfc_hba *phba)
1626{
1627        if (phba->cfg_topology == FLAGS_LOCAL_LB)
1628                phba->link_flag |= LS_LOOPBACK_MODE;
1629        else
1630                phba->link_flag &= ~LS_LOOPBACK_MODE;
1631}
1632
1633static inline int
1634lpfc_is_link_up(struct lpfc_hba *phba)
1635{
1636        return  phba->link_state == LPFC_LINK_UP ||
1637                phba->link_state == LPFC_CLEAR_LA ||
1638                phba->link_state == LPFC_HBA_READY;
1639}
1640
1641static inline void
1642lpfc_worker_wake_up(struct lpfc_hba *phba)
1643{
1644        /* Set the lpfc data pending flag */
1645        set_bit(LPFC_DATA_READY, &phba->data_flags);
1646
1647        /* Wake up worker thread */
1648        wake_up(&phba->work_waitq);
1649        return;
1650}
1651
1652static inline int
1653lpfc_readl(void __iomem *addr, uint32_t *data)
1654{
1655        uint32_t temp;
1656        temp = readl(addr);
1657        if (temp == 0xffffffff)
1658                return -EIO;
1659        *data = temp;
1660        return 0;
1661}
1662
1663static inline int
1664lpfc_sli_read_hs(struct lpfc_hba *phba)
1665{
1666        /*
1667         * There was a link/board error. Read the status register to retrieve
1668         * the error event and process it.
1669         */
1670        phba->sli.slistat.err_attn_event++;
1671
1672        /* Save status info and check for unplug error */
1673        if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1674                lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1675                lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1676                return -EIO;
1677        }
1678
1679        /* Clear chip Host Attention error bit */
1680        writel(HA_ERATT, phba->HAregaddr);
1681        readl(phba->HAregaddr); /* flush */
1682        phba->pport->stopped = 1;
1683
1684        return 0;
1685}
1686
1687static inline struct lpfc_sli_ring *
1688lpfc_phba_elsring(struct lpfc_hba *phba)
1689{
1690        /* Return NULL if sli_rev has become invalid due to bad fw */
1691        if (phba->sli_rev != LPFC_SLI_REV4  &&
1692            phba->sli_rev != LPFC_SLI_REV3  &&
1693            phba->sli_rev != LPFC_SLI_REV2)
1694                return NULL;
1695
1696        if (phba->sli_rev == LPFC_SLI_REV4) {
1697                if (phba->sli4_hba.els_wq)
1698                        return phba->sli4_hba.els_wq->pring;
1699                else
1700                        return NULL;
1701        }
1702        return &phba->sli.sli3_ring[LPFC_ELS_RING];
1703}
1704
1705/**
1706 * lpfc_next_online_cpu - Finds next online CPU on cpumask
1707 * @mask: Pointer to phba's cpumask member.
1708 * @start: starting cpu index
1709 *
1710 * Note: If no valid cpu found, then nr_cpu_ids is returned.
1711 *
1712 **/
1713static inline unsigned int
1714lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start)
1715{
1716        unsigned int cpu_it;
1717
1718        for_each_cpu_wrap(cpu_it, mask, start) {
1719                if (cpu_online(cpu_it))
1720                        break;
1721        }
1722
1723        return cpu_it;
1724}
1725/**
1726 * lpfc_sli4_mod_hba_eq_delay - update EQ delay
1727 * @phba: Pointer to HBA context object.
1728 * @q: The Event Queue to update.
1729 * @delay: The delay value (in us) to be written.
1730 *
1731 **/
1732static inline void
1733lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,
1734                           u32 delay)
1735{
1736        struct lpfc_register reg_data;
1737
1738        reg_data.word0 = 0;
1739        bf_set(lpfc_sliport_eqdelay_id, &reg_data, eq->queue_id);
1740        bf_set(lpfc_sliport_eqdelay_delay, &reg_data, delay);
1741        writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);
1742        eq->q_mode = delay;
1743}
1744
1745
1746/*
1747 * Macro that declares tables and a routine to perform enum type to
1748 * ascii string lookup.
1749 *
1750 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for
1751 * the enum to populate the table.  Macro defines a routine (named
1752 * by caller) that will search all elements of the table for the key
1753 * and return the name string if found or "Unrecognized" if not found.
1754 */
1755#define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init)          \
1756static struct {                                                         \
1757        enum enum_name          value;                                  \
1758        char                    *name;                                  \
1759} fc_##enum_name##_e2str_names[] = enum_init;                           \
1760static const char *routine(enum enum_name table_key)                    \
1761{                                                                       \
1762        int i;                                                          \
1763        char *name = "Unrecognized";                                    \
1764                                                                        \
1765        for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\
1766                if (fc_##enum_name##_e2str_names[i].value == table_key) {\
1767                        name = fc_##enum_name##_e2str_names[i].name;    \
1768                        break;                                          \
1769                }                                                       \
1770        }                                                               \
1771        return name;                                                    \
1772}
1773
1774/**
1775 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
1776 * @phba: Pointer to HBA context object.
1777 *
1778 * Relationship between the enable, target support and if vmid tag is required
1779 * for the particular combination
1780 * ---------------------------------------------------
1781 * Switch    Enable Flag  Target Support  VMID Needed
1782 * ---------------------------------------------------
1783 * App Id     0              NA              N
1784 * App Id     1               0              N
1785 * App Id     1               1              Y
1786 * Pr Tag     0              NA              N
1787 * Pr Tag     1               0              N
1788 * Pr Tag     1               1              Y
1789 * Pr Tag     2               *              Y
1790 ---------------------------------------------------
1791 *
1792 **/
1793static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
1794{
1795        return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;
1796}
1797