LXR linux/drivers/scsi/lpfc/lpfc.h

   1/*******************************************************************
   2 * This file is part of the Emulex Linux Device Driver for         *
   3 * Fibre Channel Host Bus Adapters.                                *
   4 * Copyright (C) 2017 Broadcom. All Rights Reserved. The term      *
   5 * “Broadcom” refers to Broadcom Limited 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
  27#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
  28#define CONFIG_SCSI_LPFC_DEBUG_FS
  29#endif
  30
  31struct lpfc_sli2_slim;
  32
  33#define ELX_MODEL_NAME_SIZE     80
  34
  35#define LPFC_PCI_DEV_LP         0x1
  36#define LPFC_PCI_DEV_OC         0x2
  37
  38#define LPFC_SLI_REV2           2
  39#define LPFC_SLI_REV3           3
  40#define LPFC_SLI_REV4           4
  41
  42#define LPFC_MAX_TARGET         4096    /* max number of targets supported */
  43#define LPFC_MAX_DISC_THREADS   64      /* max outstanding discovery els
  44                                           requests */
  45#define LPFC_MAX_NS_RETRY       3       /* Number of retry attempts to contact
  46                                           the NameServer  before giving up. */
  47#define LPFC_CMD_PER_LUN        3       /* max outstanding cmds per lun */
  48#define LPFC_DEFAULT_SG_SEG_CNT 64      /* sg element count per scsi cmnd */
  49#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128       /* sg element count per scsi
  50                cmnd for menlo needs nearly twice as for firmware
  51                downloads using bsg */
  52
  53#define LPFC_MIN_SG_SLI4_BUF_SZ 0x800   /* based on LPFC_DEFAULT_SG_SEG_CNT */
  54#define LPFC_MAX_SG_SLI4_SEG_CNT_DIF 128 /* sg element count per scsi cmnd */
  55#define LPFC_MAX_SG_SEG_CNT_DIF 512     /* sg element count per scsi cmnd  */
  56#define LPFC_MAX_SG_SEG_CNT     4096    /* sg element count per scsi cmnd */
  57#define LPFC_MAX_SGL_SEG_CNT    512     /* SGL element count per scsi cmnd */
  58#define LPFC_MAX_BPL_SEG_CNT    4096    /* BPL element count per scsi cmnd */
  59#define LPFC_MAX_NVME_SEG_CNT   128     /* max SGL element cnt per NVME cmnd */
  60
  61#define LPFC_MAX_SGE_SIZE       0x80000000 /* Maximum data allowed in a SGE */
  62#define LPFC_IOCB_LIST_CNT      2250    /* list of IOCBs for fast-path usage. */
  63#define LPFC_Q_RAMP_UP_INTERVAL 120     /* lun q_depth ramp up interval */
  64#define LPFC_VNAME_LEN          100     /* vport symbolic name length */
  65#define LPFC_TGTQ_INTERVAL      40000   /* Min amount of time between tgt
  66                                           queue depth change in millisecs */
  67#define LPFC_TGTQ_RAMPUP_PCENT  5       /* Target queue rampup in percentage */
  68#define LPFC_MIN_TGT_QDEPTH     10
  69#define LPFC_MAX_TGT_QDEPTH     0xFFFF
  70
  71#define  LPFC_MAX_BUCKET_COUNT 20       /* Maximum no. of buckets for stat data
  72                                           collection. */
  73/*
  74 * Following time intervals are used of adjusting SCSI device
  75 * queue depths when there are driver resource error or Firmware
  76 * resource error.
  77 */
  78/* 1 Second */
  79#define QUEUE_RAMP_DOWN_INTERVAL        (msecs_to_jiffies(1000 * 1))
  80
  81/* Number of exchanges reserved for discovery to complete */
  82#define LPFC_DISC_IOCB_BUFF_COUNT 20
  83
  84#define LPFC_HB_MBOX_INTERVAL   5       /* Heart beat interval in seconds. */
  85#define LPFC_HB_MBOX_TIMEOUT    30      /* Heart beat timeout  in seconds. */
  86
  87#define LPFC_LOOK_AHEAD_OFF     0       /* Look ahead logic is turned off */
  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
 117enum lpfc_polling_flags {
 118        ENABLE_FCP_RING_POLLING = 0x1,
 119        DISABLE_FCP_RING_INT    = 0x2
 120};
 121
 122struct perf_prof {
 123        uint16_t cmd_cpu[40];
 124        uint16_t rsp_cpu[40];
 125        uint16_t qh_cpu[40];
 126        uint16_t wqidx[40];
 127};
 128
 129/*
 130 * Provide for FC4 TYPE x28 - NVME.  The
 131 * bit mask for FCP and NVME is 0x8 identically
 132 * because they are 32 bit positions distance.
 133 */
 134#define LPFC_FC4_TYPE_BITMASK   0x00000100
 135
 136/* Provide DMA memory definitions the driver uses per port instance. */
 137struct lpfc_dmabuf {
 138        struct list_head list;
 139        void *virt;             /* virtual address ptr */
 140        dma_addr_t phys;        /* mapped address */
 141        uint32_t   buffer_tag;  /* used for tagged queue ring */
 142};
 143
 144struct lpfc_nvmet_ctxbuf {
 145        struct list_head list;
 146        struct lpfc_nvmet_rcv_ctx *context;
 147        struct lpfc_iocbq *iocbq;
 148        struct lpfc_sglq *sglq;
 149};
 150
 151struct lpfc_dma_pool {
 152        struct lpfc_dmabuf   *elements;
 153        uint32_t    max_count;
 154        uint32_t    current_count;
 155};
 156
 157struct hbq_dmabuf {
 158        struct lpfc_dmabuf hbuf;
 159        struct lpfc_dmabuf dbuf;
 160        uint16_t total_size;
 161        uint16_t bytes_recv;
 162        uint32_t tag;
 163        struct lpfc_cq_event cq_event;
 164        unsigned long time_stamp;
 165        void *context;
 166};
 167
 168struct rqb_dmabuf {
 169        struct lpfc_dmabuf hbuf;
 170        struct lpfc_dmabuf dbuf;
 171        uint16_t total_size;
 172        uint16_t bytes_recv;
 173        uint16_t idx;
 174        struct lpfc_queue *hrq;   /* ptr to associated Header RQ */
 175        struct lpfc_queue *drq;   /* ptr to associated Data RQ */
 176};
 177
 178/* Priority bit.  Set value to exceed low water mark in lpfc_mem. */
 179#define MEM_PRI         0x100
 180
 181
 182/****************************************************************************/
 183/*      Device VPD save area                                                */
 184/****************************************************************************/
 185typedef struct lpfc_vpd {
 186        uint32_t status;        /* vpd status value */
 187        uint32_t length;        /* number of bytes actually returned */
 188        struct {
 189                uint32_t rsvd1; /* Revision numbers */
 190                uint32_t biuRev;
 191                uint32_t smRev;
 192                uint32_t smFwRev;
 193                uint32_t endecRev;
 194                uint16_t rBit;
 195                uint8_t fcphHigh;
 196                uint8_t fcphLow;
 197                uint8_t feaLevelHigh;
 198                uint8_t feaLevelLow;
 199                uint32_t postKernRev;
 200                uint32_t opFwRev;
 201                uint8_t opFwName[16];
 202                uint32_t sli1FwRev;
 203                uint8_t sli1FwName[16];
 204                uint32_t sli2FwRev;
 205                uint8_t sli2FwName[16];
 206        } rev;
 207        struct {
 208#ifdef __BIG_ENDIAN_BITFIELD
 209                uint32_t rsvd3  :19;  /* Reserved                             */
 210                uint32_t cdss   : 1;  /* Configure Data Security SLI          */
 211                uint32_t rsvd2  : 3;  /* Reserved                             */
 212                uint32_t cbg    : 1;  /* Configure BlockGuard                 */
 213                uint32_t cmv    : 1;  /* Configure Max VPIs                   */
 214                uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
 215                uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
 216                uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
 217                uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
 218                uint32_t cerbm  : 1;  /* Configure Enhanced Receive Buf Mgmt  */
 219                uint32_t cmx    : 1;  /* Configure Max XRIs                   */
 220                uint32_t cmr    : 1;  /* Configure Max RPIs                   */
 221#else   /*  __LITTLE_ENDIAN */
 222                uint32_t cmr    : 1;  /* Configure Max RPIs                   */
 223                uint32_t cmx    : 1;  /* Configure Max XRIs                   */
 224                uint32_t cerbm  : 1;  /* Configure Enhanced Receive Buf Mgmt  */
 225                uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
 226                uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
 227                uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
 228                uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
 229                uint32_t cmv    : 1;  /* Configure Max VPIs                   */
 230                uint32_t cbg    : 1;  /* Configure BlockGuard                 */
 231                uint32_t rsvd2  : 3;  /* Reserved                             */
 232                uint32_t cdss   : 1;  /* Configure Data Security SLI          */
 233                uint32_t rsvd3  :19;  /* Reserved                             */
 234#endif
 235        } sli3Feat;
 236} lpfc_vpd_t;
 237
 238struct lpfc_scsi_buf;
 239
 240
 241/*
 242 * lpfc stat counters
 243 */
 244struct lpfc_stats {
 245        /* Statistics for ELS commands */
 246        uint32_t elsLogiCol;
 247        uint32_t elsRetryExceeded;
 248        uint32_t elsXmitRetry;
 249        uint32_t elsDelayRetry;
 250        uint32_t elsRcvDrop;
 251        uint32_t elsRcvFrame;
 252        uint32_t elsRcvRSCN;
 253        uint32_t elsRcvRNID;
 254        uint32_t elsRcvFARP;
 255        uint32_t elsRcvFARPR;
 256        uint32_t elsRcvFLOGI;
 257        uint32_t elsRcvPLOGI;
 258        uint32_t elsRcvADISC;
 259        uint32_t elsRcvPDISC;
 260        uint32_t elsRcvFAN;
 261        uint32_t elsRcvLOGO;
 262        uint32_t elsRcvPRLO;
 263        uint32_t elsRcvPRLI;
 264        uint32_t elsRcvLIRR;
 265        uint32_t elsRcvRLS;
 266        uint32_t elsRcvRPS;
 267        uint32_t elsRcvRPL;
 268        uint32_t elsRcvRRQ;
 269        uint32_t elsRcvRTV;
 270        uint32_t elsRcvECHO;
 271        uint32_t elsRcvLCB;
 272        uint32_t elsRcvRDP;
 273        uint32_t elsXmitFLOGI;
 274        uint32_t elsXmitFDISC;
 275        uint32_t elsXmitPLOGI;
 276        uint32_t elsXmitPRLI;
 277        uint32_t elsXmitADISC;
 278        uint32_t elsXmitLOGO;
 279        uint32_t elsXmitSCR;
 280        uint32_t elsXmitRNID;
 281        uint32_t elsXmitFARP;
 282        uint32_t elsXmitFARPR;
 283        uint32_t elsXmitACC;
 284        uint32_t elsXmitLSRJT;
 285
 286        uint32_t frameRcvBcast;
 287        uint32_t frameRcvMulti;
 288        uint32_t strayXmitCmpl;
 289        uint32_t frameXmitDelay;
 290        uint32_t xriCmdCmpl;
 291        uint32_t xriStatErr;
 292        uint32_t LinkUp;
 293        uint32_t LinkDown;
 294        uint32_t LinkMultiEvent;
 295        uint32_t NoRcvBuf;
 296        uint32_t fcpCmd;
 297        uint32_t fcpCmpl;
 298        uint32_t fcpRspErr;
 299        uint32_t fcpRemoteStop;
 300        uint32_t fcpPortRjt;
 301        uint32_t fcpPortBusy;
 302        uint32_t fcpError;
 303        uint32_t fcpLocalErr;
 304};
 305
 306struct lpfc_hba;
 307
 308
 309enum discovery_state {
 310        LPFC_VPORT_UNKNOWN     =  0,    /* vport state is unknown */
 311        LPFC_VPORT_FAILED      =  1,    /* vport has failed */
 312        LPFC_LOCAL_CFG_LINK    =  6,    /* local NPORT Id configured */
 313        LPFC_FLOGI             =  7,    /* FLOGI sent to Fabric */
 314        LPFC_FDISC             =  8,    /* FDISC sent for vport */
 315        LPFC_FABRIC_CFG_LINK   =  9,    /* Fabric assigned NPORT Id
 316                                         * configured */
 317        LPFC_NS_REG            =  10,   /* Register with NameServer */
 318        LPFC_NS_QRY            =  11,   /* Query NameServer for NPort ID list */
 319        LPFC_BUILD_DISC_LIST   =  12,   /* Build ADISC and PLOGI lists for
 320                                         * device authentication / discovery */
 321        LPFC_DISC_AUTH         =  13,   /* Processing ADISC list */
 322        LPFC_VPORT_READY       =  32,
 323};
 324
 325enum hba_state {
 326        LPFC_LINK_UNKNOWN    =   0,   /* HBA state is unknown */
 327        LPFC_WARM_START      =   1,   /* HBA state after selective reset */
 328        LPFC_INIT_START      =   2,   /* Initial state after board reset */
 329        LPFC_INIT_MBX_CMDS   =   3,   /* Initialize HBA with mbox commands */
 330        LPFC_LINK_DOWN       =   4,   /* HBA initialized, link is down */
 331        LPFC_LINK_UP         =   5,   /* Link is up  - issue READ_LA */
 332        LPFC_CLEAR_LA        =   6,   /* authentication cmplt - issue
 333                                       * CLEAR_LA */
 334        LPFC_HBA_READY       =  32,
 335        LPFC_HBA_ERROR       =  -1
 336};
 337
 338struct lpfc_vport {
 339        struct lpfc_hba *phba;
 340        struct list_head listentry;
 341        uint8_t port_type;
 342#define LPFC_PHYSICAL_PORT 1
 343#define LPFC_NPIV_PORT  2
 344#define LPFC_FABRIC_PORT 3
 345        enum discovery_state port_state;
 346
 347        uint16_t vpi;
 348        uint16_t vfi;
 349        uint8_t vpi_state;
 350#define LPFC_VPI_REGISTERED     0x1
 351
 352        uint32_t fc_flag;       /* FC flags */
 353/* Several of these flags are HBA centric and should be moved to
 354 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
 355 */
 356#define FC_PT2PT                0x1      /* pt2pt with no fabric */
 357#define FC_PT2PT_PLOGI          0x2      /* pt2pt initiate PLOGI */
 358#define FC_DISC_TMO             0x4      /* Discovery timer running */
 359#define FC_PUBLIC_LOOP          0x8      /* Public loop */
 360#define FC_LBIT                 0x10     /* LOGIN bit in loopinit set */
 361#define FC_RSCN_MODE            0x20     /* RSCN cmd rcv'ed */
 362#define FC_NLP_MORE             0x40     /* More node to process in node tbl */
 363#define FC_OFFLINE_MODE         0x80     /* Interface is offline for diag */
 364#define FC_FABRIC               0x100    /* We are fabric attached */
 365#define FC_VPORT_LOGO_RCVD      0x200    /* LOGO received on vport */
 366#define FC_RSCN_DISCOVERY       0x400    /* Auth all devices after RSCN */
 367#define FC_LOGO_RCVD_DID_CHNG   0x800    /* FDISC on phys port detect DID chng*/
 368#define FC_SCSI_SCAN_TMO        0x4000   /* scsi scan timer running */
 369#define FC_ABORT_DISCOVERY      0x8000   /* we want to abort discovery */
 370#define FC_NDISC_ACTIVE         0x10000  /* NPort discovery active */
 371#define FC_BYPASSED_MODE        0x20000  /* NPort is in bypassed mode */
 372#define FC_VPORT_NEEDS_REG_VPI  0x80000  /* Needs to have its vpi registered */
 373#define FC_RSCN_DEFERRED        0x100000 /* A deferred RSCN being processed */
 374#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
 375#define FC_VPORT_CVL_RCVD       0x400000 /* VLink failed due to CVL      */
 376#define FC_VFI_REGISTERED       0x800000 /* VFI is registered */
 377#define FC_FDISC_COMPLETED      0x1000000/* FDISC completed */
 378#define FC_DISC_DELAYED         0x2000000/* Delay NPort discovery */
 379
 380        uint32_t ct_flags;
 381#define FC_CT_RFF_ID            0x1      /* RFF_ID accepted by switch */
 382#define FC_CT_RNN_ID            0x2      /* RNN_ID accepted by switch */
 383#define FC_CT_RSNN_NN           0x4      /* RSNN_NN accepted by switch */
 384#define FC_CT_RSPN_ID           0x8      /* RSPN_ID accepted by switch */
 385#define FC_CT_RFT_ID            0x10     /* RFT_ID accepted by switch */
 386
 387        struct list_head fc_nodes;
 388
 389        /* Keep counters for the number of entries in each list. */
 390        uint16_t fc_plogi_cnt;
 391        uint16_t fc_adisc_cnt;
 392        uint16_t fc_reglogin_cnt;
 393        uint16_t fc_prli_cnt;
 394        uint16_t fc_unmap_cnt;
 395        uint16_t fc_map_cnt;
 396        uint16_t fc_npr_cnt;
 397        uint16_t fc_unused_cnt;
 398        struct serv_parm fc_sparam;     /* buffer for our service parameters */
 399
 400        uint32_t fc_myDID;      /* fibre channel S_ID */
 401        uint32_t fc_prevDID;    /* previous fibre channel S_ID */
 402        struct lpfc_name fabric_portname;
 403        struct lpfc_name fabric_nodename;
 404
 405        int32_t stopped;   /* HBA has not been restarted since last ERATT */
 406        uint8_t fc_linkspeed;   /* Link speed after last READ_LA */
 407
 408        uint32_t num_disc_nodes;        /* in addition to hba_state */
 409        uint32_t gidft_inp;             /* cnt of outstanding GID_FTs */
 410
 411        uint32_t fc_nlp_cnt;    /* outstanding NODELIST requests */
 412        uint32_t fc_rscn_id_cnt;        /* count of RSCNs payloads in list */
 413        uint32_t fc_rscn_flush;         /* flag use of fc_rscn_id_list */
 414        struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
 415        struct lpfc_name fc_nodename;   /* fc nodename */
 416        struct lpfc_name fc_portname;   /* fc portname */
 417
 418        struct lpfc_work_evt disc_timeout_evt;
 419
 420        struct timer_list fc_disctmo;   /* Discovery rescue timer */
 421        uint8_t fc_ns_retry;    /* retries for fabric nameserver */
 422        uint32_t fc_prli_sent;  /* cntr for outstanding PRLIs */
 423
 424        spinlock_t work_port_lock;
 425        uint32_t work_port_events; /* Timeout to be handled  */
 426#define WORKER_DISC_TMO                0x1      /* vport: Discovery timeout */
 427#define WORKER_ELS_TMO                 0x2      /* vport: ELS timeout */
 428#define WORKER_DELAYED_DISC_TMO        0x8      /* vport: delayed discovery */
 429
 430#define WORKER_MBOX_TMO                0x100    /* hba: MBOX timeout */
 431#define WORKER_HB_TMO                  0x200    /* hba: Heart beat timeout */
 432#define WORKER_FABRIC_BLOCK_TMO        0x400    /* hba: fabric block timeout */
 433#define WORKER_RAMP_DOWN_QUEUE         0x800    /* hba: Decrease Q depth */
 434#define WORKER_RAMP_UP_QUEUE           0x1000   /* hba: Increase Q depth */
 435#define WORKER_SERVICE_TXQ             0x2000   /* hba: IOCBs on the txq */
 436
 437        struct timer_list els_tmofunc;
 438        struct timer_list delayed_disc_tmo;
 439
 440        int unreg_vpi_cmpl;
 441
 442        uint8_t load_flag;
 443#define FC_LOADING              0x1     /* HBA in process of loading drvr */
 444#define FC_UNLOADING            0x2     /* HBA in process of unloading drvr */
 445#define FC_ALLOW_FDMI           0x4     /* port is ready for FDMI requests */
 446        /* Vport Config Parameters */
 447        uint32_t cfg_scan_down;
 448        uint32_t cfg_lun_queue_depth;
 449        uint32_t cfg_nodev_tmo;
 450        uint32_t cfg_devloss_tmo;
 451        uint32_t cfg_restrict_login;
 452        uint32_t cfg_peer_port_login;
 453        uint32_t cfg_fcp_class;
 454        uint32_t cfg_use_adisc;
 455        uint32_t cfg_discovery_threads;
 456        uint32_t cfg_log_verbose;
 457        uint32_t cfg_max_luns;
 458        uint32_t cfg_enable_da_id;
 459        uint32_t cfg_max_scsicmpl_time;
 460        uint32_t cfg_tgt_queue_depth;
 461        uint32_t cfg_first_burst_size;
 462        uint32_t dev_loss_tmo_changed;
 463
 464        struct fc_vport *fc_vport;
 465
 466#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
 467        struct dentry *debug_disc_trc;
 468        struct dentry *debug_nodelist;
 469        struct dentry *debug_nvmestat;
 470        struct dentry *debug_nvmektime;
 471        struct dentry *debug_cpucheck;
 472        struct dentry *vport_debugfs_root;
 473        struct lpfc_debugfs_trc *disc_trc;
 474        atomic_t disc_trc_cnt;
 475#endif
 476        uint8_t stat_data_enabled;
 477        uint8_t stat_data_blocked;
 478        struct list_head rcv_buffer_list;
 479        unsigned long rcv_buffer_time_stamp;
 480        uint32_t vport_flag;
 481#define STATIC_VPORT    1
 482#define FAWWPN_SET      2
 483#define FAWWPN_PARAM_CHG        4
 484
 485        uint16_t fdmi_num_disc;
 486        uint32_t fdmi_hba_mask;
 487        uint32_t fdmi_port_mask;
 488
 489        /* There is a single nvme instance per vport. */
 490        struct nvme_fc_local_port *localport;
 491        uint8_t  nvmei_support; /* driver supports NVME Initiator */
 492        uint32_t last_fcp_wqidx;
 493};
 494
 495struct hbq_s {
 496        uint16_t entry_count;     /* Current number of HBQ slots */
 497        uint16_t buffer_count;    /* Current number of buffers posted */
 498        uint32_t next_hbqPutIdx;  /* Index to next HBQ slot to use */
 499        uint32_t hbqPutIdx;       /* HBQ slot to use */
 500        uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
 501        void    *hbq_virt;        /* Virtual ptr to this hbq */
 502        struct list_head hbq_buffer_list;  /* buffers assigned to this HBQ */
 503                                  /* Callback for HBQ buffer allocation */
 504        struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
 505                                  /* Callback for HBQ buffer free */
 506        void               (*hbq_free_buffer) (struct lpfc_hba *,
 507                                               struct hbq_dmabuf *);
 508};
 509
 510/* this matches the position in the lpfc_hbq_defs array */
 511#define LPFC_ELS_HBQ    0
 512#define LPFC_MAX_HBQS   1
 513
 514enum hba_temp_state {
 515        HBA_NORMAL_TEMP,
 516        HBA_OVER_TEMP
 517};
 518
 519enum intr_type_t {
 520        NONE = 0,
 521        INTx,
 522        MSI,
 523        MSIX,
 524};
 525
 526#define LPFC_CT_CTX_MAX         64
 527struct unsol_rcv_ct_ctx {
 528        uint32_t ctxt_id;
 529        uint32_t SID;
 530        uint32_t valid;
 531#define UNSOL_INVALID           0
 532#define UNSOL_VALID             1
 533        uint16_t oxid;
 534        uint16_t rxid;
 535};
 536
 537#define LPFC_USER_LINK_SPEED_AUTO       0       /* auto select (default)*/
 538#define LPFC_USER_LINK_SPEED_1G         1       /* 1 Gigabaud */
 539#define LPFC_USER_LINK_SPEED_2G         2       /* 2 Gigabaud */
 540#define LPFC_USER_LINK_SPEED_4G         4       /* 4 Gigabaud */
 541#define LPFC_USER_LINK_SPEED_8G         8       /* 8 Gigabaud */
 542#define LPFC_USER_LINK_SPEED_10G        10      /* 10 Gigabaud */
 543#define LPFC_USER_LINK_SPEED_16G        16      /* 16 Gigabaud */
 544#define LPFC_USER_LINK_SPEED_32G        32      /* 32 Gigabaud */
 545#define LPFC_USER_LINK_SPEED_MAX        LPFC_USER_LINK_SPEED_32G
 546#define LPFC_USER_LINK_SPEED_BITMAP  ((1ULL << LPFC_USER_LINK_SPEED_32G) | \
 547                                     (1 << LPFC_USER_LINK_SPEED_16G) | \
 548                                     (1 << LPFC_USER_LINK_SPEED_10G) | \
 549                                     (1 << LPFC_USER_LINK_SPEED_8G) | \
 550                                     (1 << LPFC_USER_LINK_SPEED_4G) | \
 551                                     (1 << LPFC_USER_LINK_SPEED_2G) | \
 552                                     (1 << LPFC_USER_LINK_SPEED_1G) | \
 553                                     (1 << LPFC_USER_LINK_SPEED_AUTO))
 554#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32"
 555
 556enum nemb_type {
 557        nemb_mse = 1,
 558        nemb_hbd
 559};
 560
 561enum mbox_type {
 562        mbox_rd = 1,
 563        mbox_wr
 564};
 565
 566enum dma_type {
 567        dma_mbox = 1,
 568        dma_ebuf
 569};
 570
 571enum sta_type {
 572        sta_pre_addr = 1,
 573        sta_pos_addr
 574};
 575
 576struct lpfc_mbox_ext_buf_ctx {
 577        uint32_t state;
 578#define LPFC_BSG_MBOX_IDLE              0
 579#define LPFC_BSG_MBOX_HOST              1
 580#define LPFC_BSG_MBOX_PORT              2
 581#define LPFC_BSG_MBOX_DONE              3
 582#define LPFC_BSG_MBOX_ABTS              4
 583        enum nemb_type nembType;
 584        enum mbox_type mboxType;
 585        uint32_t numBuf;
 586        uint32_t mbxTag;
 587        uint32_t seqNum;
 588        struct lpfc_dmabuf *mbx_dmabuf;
 589        struct list_head ext_dmabuf_list;
 590};
 591
 592struct lpfc_hba {
 593        /* SCSI interface function jump table entries */
 594        int (*lpfc_new_scsi_buf)
 595                (struct lpfc_vport *, int);
 596        struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
 597                (struct lpfc_hba *, struct lpfc_nodelist *);
 598        int (*lpfc_scsi_prep_dma_buf)
 599                (struct lpfc_hba *, struct lpfc_scsi_buf *);
 600        void (*lpfc_scsi_unprep_dma_buf)
 601                (struct lpfc_hba *, struct lpfc_scsi_buf *);
 602        void (*lpfc_release_scsi_buf)
 603                (struct lpfc_hba *, struct lpfc_scsi_buf *);
 604        void (*lpfc_rampdown_queue_depth)
 605                (struct lpfc_hba *);
 606        void (*lpfc_scsi_prep_cmnd)
 607                (struct lpfc_vport *, struct lpfc_scsi_buf *,
 608                 struct lpfc_nodelist *);
 609
 610        /* IOCB interface function jump table entries */
 611        int (*__lpfc_sli_issue_iocb)
 612                (struct lpfc_hba *, uint32_t,
 613                 struct lpfc_iocbq *, uint32_t);
 614        void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
 615                         struct lpfc_iocbq *);
 616        int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
 617        IOCB_t * (*lpfc_get_iocb_from_iocbq)
 618                (struct lpfc_iocbq *);
 619        void (*lpfc_scsi_cmd_iocb_cmpl)
 620                (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
 621
 622        /* MBOX interface function jump table entries */
 623        int (*lpfc_sli_issue_mbox)
 624                (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 625
 626        /* Slow-path IOCB process function jump table entries */
 627        void (*lpfc_sli_handle_slow_ring_event)
 628                (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 629                 uint32_t mask);
 630
 631        /* INIT device interface function jump table entries */
 632        int (*lpfc_sli_hbq_to_firmware)
 633                (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
 634        int (*lpfc_sli_brdrestart)
 635                (struct lpfc_hba *);
 636        int (*lpfc_sli_brdready)
 637                (struct lpfc_hba *, uint32_t);
 638        void (*lpfc_handle_eratt)
 639                (struct lpfc_hba *);
 640        void (*lpfc_stop_port)
 641                (struct lpfc_hba *);
 642        int (*lpfc_hba_init_link)
 643                (struct lpfc_hba *, uint32_t);
 644        int (*lpfc_hba_down_link)
 645                (struct lpfc_hba *, uint32_t);
 646        int (*lpfc_selective_reset)
 647                (struct lpfc_hba *);
 648
 649        int (*lpfc_bg_scsi_prep_dma_buf)
 650                (struct lpfc_hba *, struct lpfc_scsi_buf *);
 651        /* Add new entries here */
 652
 653        /* SLI4 specific HBA data structure */
 654        struct lpfc_sli4_hba sli4_hba;
 655
 656        struct lpfc_sli sli;
 657        uint8_t pci_dev_grp;    /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
 658        uint32_t sli_rev;               /* SLI2, SLI3, or SLI4 */
 659        uint32_t sli3_options;          /* Mask of enabled SLI3 options */
 660#define LPFC_SLI3_HBQ_ENABLED           0x01
 661#define LPFC_SLI3_NPIV_ENABLED          0x02
 662#define LPFC_SLI3_VPORT_TEARDOWN        0x04
 663#define LPFC_SLI3_CRP_ENABLED           0x08
 664#define LPFC_SLI3_BG_ENABLED            0x20
 665#define LPFC_SLI3_DSS_ENABLED           0x40
 666#define LPFC_SLI4_PERFH_ENABLED         0x80
 667#define LPFC_SLI4_PHWQ_ENABLED          0x100
 668        uint32_t iocb_cmd_size;
 669        uint32_t iocb_rsp_size;
 670
 671        enum hba_state link_state;
 672        uint32_t link_flag;     /* link state flags */
 673#define LS_LOOPBACK_MODE      0x1       /* NPort is in Loopback mode */
 674                                        /* This flag is set while issuing */
 675                                        /* INIT_LINK mailbox command */
 676#define LS_NPIV_FAB_SUPPORTED 0x2       /* Fabric supports NPIV */
 677#define LS_IGNORE_ERATT       0x4       /* intr handler should ignore ERATT */
 678#define LS_MDS_LINK_DOWN      0x8       /* MDS Diagnostics Link Down */
 679#define LS_MDS_LOOPBACK      0x16       /* MDS Diagnostics Link Up (Loopback) */
 680
 681        uint32_t hba_flag;      /* hba generic flags */
 682#define HBA_ERATT_HANDLED       0x1 /* This flag is set when eratt handled */
 683#define DEFER_ERATT             0x2 /* Deferred error attention in progress */
 684#define HBA_FCOE_MODE           0x4 /* HBA function in FCoE Mode */
 685#define HBA_SP_QUEUE_EVT        0x8 /* Slow-path qevt posted to worker thread*/
 686#define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
 687#define FCP_XRI_ABORT_EVENT     0x20
 688#define ELS_XRI_ABORT_EVENT     0x40
 689#define ASYNC_EVENT             0x80
 690#define LINK_DISABLED           0x100 /* Link disabled by user */
 691#define FCF_TS_INPROG           0x200 /* FCF table scan in progress */
 692#define FCF_RR_INPROG           0x400 /* FCF roundrobin flogi in progress */
 693#define HBA_FIP_SUPPORT         0x800 /* FIP support in HBA */
 694#define HBA_AER_ENABLED         0x1000 /* AER enabled with HBA */
 695#define HBA_DEVLOSS_TMO         0x2000 /* HBA in devloss timeout */
 696#define HBA_RRQ_ACTIVE          0x4000 /* process the rrq active list */
 697#define HBA_FCP_IOQ_FLUSH       0x8000 /* FCP I/O queues being flushed */
 698#define HBA_FW_DUMP_OP          0x10000 /* Skips fn reset before FW dump */
 699#define HBA_RECOVERABLE_UE      0x20000 /* Firmware supports recoverable UE */
 700#define HBA_FORCED_LINK_SPEED   0x40000 /*
 701                                         * Firmware supports Forced Link Speed
 702                                         * capability
 703                                         */
 704#define HBA_NVME_IOQ_FLUSH      0x80000 /* NVME IO queues flushed. */
 705#define NVME_XRI_ABORT_EVENT    0x100000
 706
 707        uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
 708        struct lpfc_dmabuf slim2p;
 709
 710        MAILBOX_t *mbox;
 711        uint32_t *mbox_ext;
 712        struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
 713        uint32_t ha_copy;
 714        struct _PCB *pcb;
 715        struct _IOCB *IOCBs;
 716
 717        struct lpfc_dmabuf hbqslimp;
 718
 719        uint16_t pci_cfg_value;
 720
 721        uint8_t fc_linkspeed;   /* Link speed after last READ_LA */
 722
 723        uint32_t fc_eventTag;   /* event tag for link attention */
 724        uint32_t link_events;
 725
 726        /* These fields used to be binfo */
 727        uint32_t fc_pref_DID;   /* preferred D_ID */
 728        uint8_t  fc_pref_ALPA;  /* preferred AL_PA */
 729        uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
 730        uint32_t fc_edtov;      /* E_D_TOV timer value */
 731        uint32_t fc_arbtov;     /* ARB_TOV timer value */
 732        uint32_t fc_ratov;      /* R_A_TOV timer value */
 733        uint32_t fc_rttov;      /* R_T_TOV timer value */
 734        uint32_t fc_altov;      /* AL_TOV timer value */
 735        uint32_t fc_crtov;      /* C_R_TOV timer value */
 736
 737        struct serv_parm fc_fabparam;   /* fabric service parameters buffer */
 738        uint8_t alpa_map[128];  /* AL_PA map from READ_LA */
 739
 740        uint32_t lmt;
 741
 742        uint32_t fc_topology;   /* link topology, from LINK INIT */
 743        uint32_t fc_topology_changed;   /* link topology, from LINK INIT */
 744
 745        struct lpfc_stats fc_stat;
 746
 747        struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
 748        uint32_t nport_event_cnt;       /* timestamp for nlplist entry */
 749
 750        uint8_t  wwnn[8];
 751        uint8_t  wwpn[8];
 752        uint32_t RandomData[7];
 753        uint8_t  fcp_embed_io;
 754        uint8_t  nvme_support;  /* Firmware supports NVME */
 755        uint8_t  nvmet_support; /* driver supports NVMET */
 756#define LPFC_NVMET_MAX_PORTS    32
 757        uint8_t  mds_diags_support;
 758        uint32_t initial_imax;
 759        uint8_t  bbcredit_support;
 760
 761        /* HBA Config Parameters */
 762        uint32_t cfg_ack0;
 763        uint32_t cfg_enable_npiv;
 764        uint32_t cfg_enable_rrq;
 765        uint32_t cfg_topology;
 766        uint32_t cfg_link_speed;
 767#define LPFC_FCF_FOV 1          /* Fast fcf failover */
 768#define LPFC_FCF_PRIORITY 2     /* Priority fcf failover */
 769        uint32_t cfg_fcf_failover_policy;
 770        uint32_t cfg_fcp_io_sched;
 771        uint32_t cfg_fcp2_no_tgt_reset;
 772        uint32_t cfg_cr_delay;
 773        uint32_t cfg_cr_count;
 774        uint32_t cfg_multi_ring_support;
 775        uint32_t cfg_multi_ring_rctl;
 776        uint32_t cfg_multi_ring_type;
 777        uint32_t cfg_poll;
 778        uint32_t cfg_poll_tmo;
 779        uint32_t cfg_task_mgmt_tmo;
 780        uint32_t cfg_use_msi;
 781        uint32_t cfg_auto_imax;
 782        uint32_t cfg_fcp_imax;
 783        uint32_t cfg_fcp_cpu_map;
 784        uint32_t cfg_fcp_io_channel;
 785        uint32_t cfg_suppress_rsp;
 786        uint32_t cfg_nvme_oas;
 787        uint32_t cfg_nvme_io_channel;
 788        uint32_t cfg_nvmet_mrq;
 789        uint32_t cfg_enable_nvmet;
 790        uint32_t cfg_nvme_enable_fb;
 791        uint32_t cfg_nvmet_fb_size;
 792        uint32_t cfg_total_seg_cnt;
 793        uint32_t cfg_sg_seg_cnt;
 794        uint32_t cfg_nvme_seg_cnt;
 795        uint32_t cfg_sg_dma_buf_size;
 796        uint64_t cfg_soft_wwnn;
 797        uint64_t cfg_soft_wwpn;
 798        uint32_t cfg_hba_queue_depth;
 799        uint32_t cfg_enable_hba_reset;
 800        uint32_t cfg_enable_hba_heartbeat;
 801        uint32_t cfg_fof;
 802        uint32_t cfg_EnableXLane;
 803        uint8_t cfg_oas_tgt_wwpn[8];
 804        uint8_t cfg_oas_vpt_wwpn[8];
 805        uint32_t cfg_oas_lun_state;
 806#define OAS_LUN_ENABLE  1
 807#define OAS_LUN_DISABLE 0
 808        uint32_t cfg_oas_lun_status;
 809#define OAS_LUN_STATUS_EXISTS   0x01
 810        uint32_t cfg_oas_flags;
 811#define OAS_FIND_ANY_VPORT      0x01
 812#define OAS_FIND_ANY_TARGET     0x02
 813#define OAS_LUN_VALID   0x04
 814        uint32_t cfg_oas_priority;
 815        uint32_t cfg_XLanePriority;
 816        uint32_t cfg_enable_bg;
 817        uint32_t cfg_prot_mask;
 818        uint32_t cfg_prot_guard;
 819        uint32_t cfg_hostmem_hgp;
 820        uint32_t cfg_log_verbose;
 821        uint32_t cfg_aer_support;
 822        uint32_t cfg_sriov_nr_virtfn;
 823        uint32_t cfg_request_firmware_upgrade;
 824        uint32_t cfg_iocb_cnt;
 825        uint32_t cfg_suppress_link_up;
 826        uint32_t cfg_rrq_xri_bitmap_sz;
 827        uint32_t cfg_delay_discovery;
 828        uint32_t cfg_sli_mode;
 829#define LPFC_INITIALIZE_LINK              0     /* do normal init_link mbox */
 830#define LPFC_DELAY_INIT_LINK              1     /* layered driver hold off */
 831#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2     /* wait, manual intervention */
 832        uint32_t cfg_enable_dss;
 833        uint32_t cfg_fdmi_on;
 834#define LPFC_FDMI_NO_SUPPORT    0       /* FDMI not supported */
 835#define LPFC_FDMI_SUPPORT       1       /* FDMI supported? */
 836        uint32_t cfg_enable_SmartSAN;
 837        uint32_t cfg_enable_mds_diags;
 838        uint32_t cfg_enable_fc4_type;
 839        uint32_t cfg_enable_bbcr;       /*Enable BB Credit Recovery*/
 840        uint32_t cfg_xri_split;
 841#define LPFC_ENABLE_FCP  1
 842#define LPFC_ENABLE_NVME 2
 843#define LPFC_ENABLE_BOTH 3
 844        uint32_t io_channel_irqs;       /* number of irqs for io channels */
 845        struct nvmet_fc_target_port *targetport;
 846        lpfc_vpd_t vpd;         /* vital product data */
 847
 848        struct pci_dev *pcidev;
 849        struct list_head      work_list;
 850        uint32_t              work_ha;      /* Host Attention Bits for WT */
 851        uint32_t              work_ha_mask; /* HA Bits owned by WT        */
 852        uint32_t              work_hs;      /* HS stored in case of ERRAT */
 853        uint32_t              work_status[2]; /* Extra status from SLIM */
 854
 855        wait_queue_head_t    work_waitq;
 856        struct task_struct   *worker_thread;
 857        unsigned long data_flags;
 858
 859        uint32_t hbq_in_use;            /* HBQs in use flag */
 860        uint32_t hbq_count;             /* Count of configured HBQs */
 861        struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies  */
 862
 863        atomic_t fcp_qidx;         /* next FCP WQ (RR Policy) */
 864        atomic_t nvme_qidx;        /* next NVME WQ (RR Policy) */
 865
 866        phys_addr_t pci_bar0_map;     /* Physical address for PCI BAR0 */
 867        phys_addr_t pci_bar1_map;     /* Physical address for PCI BAR1 */
 868        phys_addr_t pci_bar2_map;     /* Physical address for PCI BAR2 */
 869        void __iomem *slim_memmap_p;    /* Kernel memory mapped address for
 870                                           PCI BAR0 */
 871        void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
 872                                            PCI BAR2 */
 873
 874        void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
 875                                            PCI BAR0 with dual-ULP support */
 876        void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
 877                                            PCI BAR2 with dual-ULP support */
 878        void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
 879                                            PCI BAR4 with dual-ULP support */
 880#define PCI_64BIT_BAR0  0
 881#define PCI_64BIT_BAR2  2
 882#define PCI_64BIT_BAR4  4
 883        void __iomem *MBslimaddr;       /* virtual address for mbox cmds */
 884        void __iomem *HAregaddr;        /* virtual address for host attn reg */
 885        void __iomem *CAregaddr;        /* virtual address for chip attn reg */
 886        void __iomem *HSregaddr;        /* virtual address for host status
 887                                           reg */
 888        void __iomem *HCregaddr;        /* virtual address for host ctl reg */
 889
 890        struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
 891        struct lpfc_pgp   *port_gp;
 892        uint32_t __iomem  *hbq_put;     /* Address in SLIM to HBQ put ptrs */
 893        uint32_t          *hbq_get;     /* Host mem address of HBQ get ptrs */
 894
 895        int brd_no;                     /* FC board number */
 896        char SerialNumber[32];          /* adapter Serial Number */
 897        char OptionROMVersion[32];      /* adapter BIOS / Fcode version */
 898        char ModelDesc[256];            /* Model Description */
 899        char ModelName[80];             /* Model Name */
 900        char ProgramType[256];          /* Program Type */
 901        char Port[20];                  /* Port No */
 902        uint8_t vpd_flag;               /* VPD data flag */
 903
 904#define VPD_MODEL_DESC      0x1         /* valid vpd model description */
 905#define VPD_MODEL_NAME      0x2         /* valid vpd model name */
 906#define VPD_PROGRAM_TYPE    0x4         /* valid vpd program type */
 907#define VPD_PORT            0x8         /* valid vpd port data */
 908#define VPD_MASK            0xf         /* mask for any vpd data */
 909
 910        uint8_t soft_wwn_enable;
 911
 912        struct timer_list fcp_poll_timer;
 913        struct timer_list eratt_poll;
 914        uint32_t eratt_poll_interval;
 915
 916        /*
 917         * stat  counters
 918         */
 919        atomic_t fc4ScsiInputRequests;
 920        atomic_t fc4ScsiOutputRequests;
 921        atomic_t fc4ScsiControlRequests;
 922        atomic_t fc4ScsiIoCmpls;
 923        atomic_t fc4NvmeInputRequests;
 924        atomic_t fc4NvmeOutputRequests;
 925        atomic_t fc4NvmeControlRequests;
 926        atomic_t fc4NvmeIoCmpls;
 927        atomic_t fc4NvmeLsRequests;
 928        atomic_t fc4NvmeLsCmpls;
 929
 930        uint64_t bg_guard_err_cnt;
 931        uint64_t bg_apptag_err_cnt;
 932        uint64_t bg_reftag_err_cnt;
 933
 934        /* fastpath list. */
 935        spinlock_t scsi_buf_list_get_lock;  /* SCSI buf alloc list lock */
 936        spinlock_t scsi_buf_list_put_lock;  /* SCSI buf free list lock */
 937        struct list_head lpfc_scsi_buf_list_get;
 938        struct list_head lpfc_scsi_buf_list_put;
 939        uint32_t total_scsi_bufs;
 940        spinlock_t nvme_buf_list_get_lock;  /* NVME buf alloc list lock */
 941        spinlock_t nvme_buf_list_put_lock;  /* NVME buf free list lock */
 942        struct list_head lpfc_nvme_buf_list_get;
 943        struct list_head lpfc_nvme_buf_list_put;
 944        uint32_t total_nvme_bufs;
 945        struct list_head lpfc_iocb_list;
 946        uint32_t total_iocbq_bufs;
 947        struct list_head active_rrq_list;
 948        spinlock_t hbalock;
 949
 950        /* dma_mem_pools */
 951        struct dma_pool *lpfc_sg_dma_buf_pool;
 952        struct dma_pool *lpfc_mbuf_pool;
 953        struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
 954        struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
 955        struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
 956        struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
 957        struct dma_pool *txrdy_payload_pool;
 958        struct lpfc_dma_pool lpfc_mbuf_safety_pool;
 959
 960        mempool_t *mbox_mem_pool;
 961        mempool_t *nlp_mem_pool;
 962        mempool_t *rrq_pool;
 963        mempool_t *active_rrq_pool;
 964
 965        struct fc_host_statistics link_stats;
 966        enum intr_type_t intr_type;
 967        uint32_t intr_mode;
 968#define LPFC_INTR_ERROR 0xFFFFFFFF
 969        struct list_head port_list;
 970        struct lpfc_vport *pport;       /* physical lpfc_vport pointer */
 971        uint16_t max_vpi;               /* Maximum virtual nports */
 972#define LPFC_MAX_VPI 0xFFFF             /* Max number of VPI supported */
 973        uint16_t max_vports;            /*
 974                                         * For IOV HBAs max_vpi can change
 975                                         * after a reset. max_vports is max
 976                                         * number of vports present. This can
 977                                         * be greater than max_vpi.
 978                                         */
 979        uint16_t vpi_base;
 980        uint16_t vfi_base;
 981        unsigned long *vpi_bmask;       /* vpi allocation table */
 982        uint16_t *vpi_ids;
 983        uint16_t vpi_count;
 984        struct list_head lpfc_vpi_blk_list;
 985
 986        /* Data structure used by fabric iocb scheduler */
 987        struct list_head fabric_iocb_list;
 988        atomic_t fabric_iocb_count;
 989        struct timer_list fabric_block_timer;
 990        unsigned long bit_flags;
 991#define FABRIC_COMANDS_BLOCKED  0
 992        atomic_t num_rsrc_err;
 993        atomic_t num_cmd_success;
 994        unsigned long last_rsrc_error_time;
 995        unsigned long last_ramp_down_time;
 996#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
 997        struct dentry *hba_debugfs_root;
 998        atomic_t debugfs_vport_count;
 999        struct dentry *debug_hbqinfo;
1000        struct dentry *debug_dumpHostSlim;

1001        struct dentry *debug_dumpHBASlim;
1002        struct dentry *debug_dumpData;   /* BlockGuard BPL */
1003        struct dentry *debug_dumpDif;    /* BlockGuard BPL */
1004        struct dentry *debug_InjErrLBA;  /* LBA to inject errors at */
1005        struct dentry *debug_InjErrNPortID;  /* NPortID to inject errors at */
1006        struct dentry *debug_InjErrWWPN;  /* WWPN to inject errors at */
1007        struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1008        struct dentry *debug_writeApp;   /* inject write app_tag errors */
1009        struct dentry *debug_writeRef;   /* inject write ref_tag errors */
1010        struct dentry *debug_readGuard;  /* inject read guard_tag errors */
1011        struct dentry *debug_readApp;    /* inject read app_tag errors */
1012        struct dentry *debug_readRef;    /* inject read ref_tag errors */
1013
1014        struct dentry *debug_nvmeio_trc;
1015        struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1016        atomic_t nvmeio_trc_cnt;
1017        uint32_t nvmeio_trc_size;
1018        uint32_t nvmeio_trc_output_idx;
1019
1020        /* T10 DIF error injection */
1021        uint32_t lpfc_injerr_wgrd_cnt;
1022        uint32_t lpfc_injerr_wapp_cnt;
1023        uint32_t lpfc_injerr_wref_cnt;
1024        uint32_t lpfc_injerr_rgrd_cnt;
1025        uint32_t lpfc_injerr_rapp_cnt;
1026        uint32_t lpfc_injerr_rref_cnt;
1027        uint32_t lpfc_injerr_nportid;
1028        struct lpfc_name lpfc_injerr_wwpn;
1029        sector_t lpfc_injerr_lba;
1030#define LPFC_INJERR_LBA_OFF     (sector_t)(-1)
1031
1032        struct dentry *debug_slow_ring_trc;
1033        struct lpfc_debugfs_trc *slow_ring_trc;
1034        atomic_t slow_ring_trc_cnt;
1035        /* iDiag debugfs sub-directory */
1036        struct dentry *idiag_root;
1037        struct dentry *idiag_pci_cfg;
1038        struct dentry *idiag_bar_acc;
1039        struct dentry *idiag_que_info;
1040        struct dentry *idiag_que_acc;
1041        struct dentry *idiag_drb_acc;
1042        struct dentry *idiag_ctl_acc;
1043        struct dentry *idiag_mbx_acc;
1044        struct dentry *idiag_ext_acc;
1045        uint8_t lpfc_idiag_last_eq;
1046#endif
1047        uint16_t nvmeio_trc_on;
1048
1049        /* Used for deferred freeing of ELS data buffers */
1050        struct list_head elsbuf;
1051        int elsbuf_cnt;
1052        int elsbuf_prev_cnt;
1053
1054        uint8_t temp_sensor_support;
1055        /* Fields used for heart beat. */
1056        unsigned long last_eqdelay_time;
1057        unsigned long last_completion_time;
1058        unsigned long skipped_hb;
1059        struct timer_list hb_tmofunc;
1060        uint8_t hb_outstanding;
1061        struct timer_list rrq_tmr;
1062        enum hba_temp_state over_temp_state;
1063        /* ndlp reference management */
1064        spinlock_t ndlp_lock;
1065        /*
1066         * Following bit will be set for all buffer tags which are not
1067         * associated with any HBQ.
1068         */
1069#define QUE_BUFTAG_BIT  (1<<31)
1070        uint32_t buffer_tag_count;
1071        int wait_4_mlo_maint_flg;
1072        wait_queue_head_t wait_4_mlo_m_q;
1073        /* data structure used for latency data collection */
1074#define LPFC_NO_BUCKET     0
1075#define LPFC_LINEAR_BUCKET 1
1076#define LPFC_POWER2_BUCKET 2
1077        uint8_t  bucket_type;
1078        uint32_t bucket_base;
1079        uint32_t bucket_step;
1080
1081/* Maximum number of events that can be outstanding at any time*/
1082#define LPFC_MAX_EVT_COUNT 512
1083        atomic_t fast_event_count;
1084        uint32_t fcoe_eventtag;
1085        uint32_t fcoe_eventtag_at_fcf_scan;
1086        uint32_t fcoe_cvl_eventtag;
1087        uint32_t fcoe_cvl_eventtag_attn;
1088        struct lpfc_fcf fcf;
1089        uint8_t fc_map[3];
1090        uint8_t valid_vlan;
1091        uint16_t vlan_id;
1092        struct list_head fcf_conn_rec_list;
1093
1094        spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1095        struct list_head ct_ev_waiters;
1096        struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1097        uint32_t ctx_idx;
1098
1099        uint8_t menlo_flag;     /* menlo generic flags */
1100#define HBA_MENLO_SUPPORT       0x1 /* HBA supports menlo commands */
1101        uint32_t iocb_cnt;
1102        uint32_t iocb_max;
1103        atomic_t sdev_cnt;
1104        uint8_t fips_spec_rev;
1105        uint8_t fips_level;
1106        spinlock_t devicelock;  /* lock for luns list */
1107        mempool_t *device_data_mem_pool;
1108        struct list_head luns;
1109#define LPFC_TRANSGRESSION_HIGH_TEMPERATURE     0x0080
1110#define LPFC_TRANSGRESSION_LOW_TEMPERATURE      0x0040
1111#define LPFC_TRANSGRESSION_HIGH_VOLTAGE         0x0020
1112#define LPFC_TRANSGRESSION_LOW_VOLTAGE          0x0010
1113#define LPFC_TRANSGRESSION_HIGH_TXBIAS          0x0008
1114#define LPFC_TRANSGRESSION_LOW_TXBIAS           0x0004
1115#define LPFC_TRANSGRESSION_HIGH_TXPOWER         0x0002
1116#define LPFC_TRANSGRESSION_LOW_TXPOWER          0x0001
1117#define LPFC_TRANSGRESSION_HIGH_RXPOWER         0x8000
1118#define LPFC_TRANSGRESSION_LOW_RXPOWER          0x4000
1119        uint16_t sfp_alarm;
1120        uint16_t sfp_warning;
1121
1122#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1123#define LPFC_CHECK_CPU_CNT    32
1124        uint32_t cpucheck_rcv_io[LPFC_CHECK_CPU_CNT];
1125        uint32_t cpucheck_xmt_io[LPFC_CHECK_CPU_CNT];
1126        uint32_t cpucheck_cmpl_io[LPFC_CHECK_CPU_CNT];
1127        uint32_t cpucheck_ccmpl_io[LPFC_CHECK_CPU_CNT];
1128        uint16_t cpucheck_on;
1129#define LPFC_CHECK_OFF          0
1130#define LPFC_CHECK_NVME_IO      1
1131#define LPFC_CHECK_NVMET_RCV    2
1132#define LPFC_CHECK_NVMET_IO     4
1133        uint16_t ktime_on;
1134        uint64_t ktime_data_samples;
1135        uint64_t ktime_status_samples;
1136        uint64_t ktime_last_cmd;
1137        uint64_t ktime_seg1_total;
1138        uint64_t ktime_seg1_min;
1139        uint64_t ktime_seg1_max;
1140        uint64_t ktime_seg2_total;
1141        uint64_t ktime_seg2_min;
1142        uint64_t ktime_seg2_max;
1143        uint64_t ktime_seg3_total;
1144        uint64_t ktime_seg3_min;
1145        uint64_t ktime_seg3_max;
1146        uint64_t ktime_seg4_total;
1147        uint64_t ktime_seg4_min;
1148        uint64_t ktime_seg4_max;
1149        uint64_t ktime_seg5_total;
1150        uint64_t ktime_seg5_min;
1151        uint64_t ktime_seg5_max;
1152        uint64_t ktime_seg6_total;
1153        uint64_t ktime_seg6_min;
1154        uint64_t ktime_seg6_max;
1155        uint64_t ktime_seg7_total;
1156        uint64_t ktime_seg7_min;
1157        uint64_t ktime_seg7_max;
1158        uint64_t ktime_seg8_total;
1159        uint64_t ktime_seg8_min;
1160        uint64_t ktime_seg8_max;
1161        uint64_t ktime_seg9_total;
1162        uint64_t ktime_seg9_min;
1163        uint64_t ktime_seg9_max;
1164        uint64_t ktime_seg10_total;
1165        uint64_t ktime_seg10_min;
1166        uint64_t ktime_seg10_max;
1167#endif
1168};
1169
1170static inline struct Scsi_Host *
1171lpfc_shost_from_vport(struct lpfc_vport *vport)
1172{
1173        return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1174}
1175
1176static inline void
1177lpfc_set_loopback_flag(struct lpfc_hba *phba)
1178{
1179        if (phba->cfg_topology == FLAGS_LOCAL_LB)
1180                phba->link_flag |= LS_LOOPBACK_MODE;
1181        else
1182                phba->link_flag &= ~LS_LOOPBACK_MODE;
1183}
1184
1185static inline int
1186lpfc_is_link_up(struct lpfc_hba *phba)
1187{
1188        return  phba->link_state == LPFC_LINK_UP ||
1189                phba->link_state == LPFC_CLEAR_LA ||
1190                phba->link_state == LPFC_HBA_READY;
1191}
1192
1193static inline void
1194lpfc_worker_wake_up(struct lpfc_hba *phba)
1195{
1196        /* Set the lpfc data pending flag */
1197        set_bit(LPFC_DATA_READY, &phba->data_flags);
1198
1199        /* Wake up worker thread */
1200        wake_up(&phba->work_waitq);
1201        return;
1202}
1203
1204static inline int
1205lpfc_readl(void __iomem *addr, uint32_t *data)
1206{
1207        uint32_t temp;
1208        temp = readl(addr);
1209        if (temp == 0xffffffff)
1210                return -EIO;
1211        *data = temp;
1212        return 0;
1213}
1214
1215static inline int
1216lpfc_sli_read_hs(struct lpfc_hba *phba)
1217{
1218        /*
1219         * There was a link/board error. Read the status register to retrieve
1220         * the error event and process it.
1221         */
1222        phba->sli.slistat.err_attn_event++;
1223
1224        /* Save status info and check for unplug error */
1225        if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1226                lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1227                lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1228                return -EIO;
1229        }
1230
1231        /* Clear chip Host Attention error bit */
1232        writel(HA_ERATT, phba->HAregaddr);
1233        readl(phba->HAregaddr); /* flush */
1234        phba->pport->stopped = 1;
1235
1236        return 0;
1237}
1238
1239static inline struct lpfc_sli_ring *
1240lpfc_phba_elsring(struct lpfc_hba *phba)
1241{
1242        if (phba->sli_rev == LPFC_SLI_REV4) {
1243                if (phba->sli4_hba.els_wq)
1244                        return phba->sli4_hba.els_wq->pring;
1245                else
1246                        return NULL;
1247        }
1248        return &phba->sli.sli3_ring[LPFC_ELS_RING];
1249}
1250