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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) 2017-2024 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/hashtable.h>26#include <linux/ktime.h>27#include <linux/workqueue.h>28 29#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)30#define CONFIG_SCSI_LPFC_DEBUG_FS31#endif32 33struct lpfc_sli2_slim;34 35#define ELX_MODEL_NAME_SIZE 8036#define ELX_FW_NAME_SIZE 8437 38#define LPFC_PCI_DEV_LP 0x139#define LPFC_PCI_DEV_OC 0x240 41#define LPFC_SLI_REV2 242#define LPFC_SLI_REV3 343#define LPFC_SLI_REV4 444 45#define LPFC_MAX_TARGET 4096 /* max number of targets supported */46#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els47 requests */48#define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact49 the NameServer before giving up. */50#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */51#define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */52 53#define LPFC_DEFAULT_XPSGL_SIZE 25654#define LPFC_MAX_SG_TABLESIZE 0xffff55#define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */56#define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */57#define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */58#define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */59#define LPFC_MIN_SG_SEG_CNT 32 /* sg element count per scsi cmnd */60#define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */61#define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */62#define LPFC_MAX_NVME_SEG_CNT 256 /* max SGL element cnt per NVME cmnd */63 64#define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */65#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */66#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */67#define LPFC_VNAME_LEN 100 /* vport symbolic name length */68#define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */69#define LPFC_MIN_TGT_QDEPTH 1070#define LPFC_MAX_TGT_QDEPTH 0xFFFF71 72/*73 * Following time intervals are used of adjusting SCSI device74 * queue depths when there are driver resource error or Firmware75 * resource error.76 */77/* 1 Second */78#define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))79 80/* Number of exchanges reserved for discovery to complete */81#define LPFC_DISC_IOCB_BUFF_COUNT 2082 83#define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */84#define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */85 86/* Error Attention event polling interval */87#define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */88 89/* Define macros for 64 bit support */90#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))91#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))92#define getPaddr(high, low) ((dma_addr_t)( \93 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))94/* Provide maximum configuration definitions. */95#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */96#define FC_MAX_ADPTMSG 6497 98#define MAX_HBAEVT 3299#define MAX_HBAS_NO_RESET 16100 101/* Number of MSI-X vectors the driver uses */102#define LPFC_MSIX_VECTORS 2103 104/* lpfc wait event data ready flag */105#define LPFC_DATA_READY 0 /* bit 0 */106 107/* queue dump line buffer size */108#define LPFC_LBUF_SZ 128109 110/* mailbox system shutdown options */111#define LPFC_MBX_NO_WAIT 0112#define LPFC_MBX_WAIT 1113 114#define LPFC_CFG_PARAM_MAGIC_NUM 0xFEAA0005115#define LPFC_PORT_CFG_NAME "/cfg/port.cfg"116 117#define lpfc_rangecheck(val, min, max) \118 ((uint)(val) >= (uint)(min) && (val) <= (max))119 120enum lpfc_polling_flags {121 ENABLE_FCP_RING_POLLING = 0x1,122 DISABLE_FCP_RING_INT = 0x2123};124 125struct perf_prof {126 uint16_t cmd_cpu[40];127 uint16_t rsp_cpu[40];128 uint16_t qh_cpu[40];129 uint16_t wqidx[40];130};131 132/*133 * Provide for FC4 TYPE x28 - NVME. The134 * bit mask for FCP and NVME is 0x8 identically135 * because they are 32 bit positions distance.136 */137#define LPFC_FC4_TYPE_BITMASK 0x00000100138 139/* Provide DMA memory definitions the driver uses per port instance. */140struct lpfc_dmabuf {141 struct list_head list;142 void *virt; /* virtual address ptr */143 dma_addr_t phys; /* mapped address */144 uint32_t buffer_tag; /* used for tagged queue ring */145};146 147struct lpfc_nvmet_ctxbuf {148 struct list_head list;149 struct lpfc_async_xchg_ctx *context;150 struct lpfc_iocbq *iocbq;151 struct lpfc_sglq *sglq;152 struct work_struct defer_work;153};154 155struct lpfc_dma_pool {156 struct lpfc_dmabuf *elements;157 uint32_t max_count;158 uint32_t current_count;159};160 161struct hbq_dmabuf {162 struct lpfc_dmabuf hbuf;163 struct lpfc_dmabuf dbuf;164 uint16_t total_size;165 uint16_t bytes_recv;166 uint32_t tag;167 struct lpfc_cq_event cq_event;168 unsigned long time_stamp;169 void *context;170};171 172struct rqb_dmabuf {173 struct lpfc_dmabuf hbuf;174 struct lpfc_dmabuf dbuf;175 uint16_t total_size;176 uint16_t bytes_recv;177 uint16_t idx;178 struct lpfc_queue *hrq; /* ptr to associated Header RQ */179 struct lpfc_queue *drq; /* ptr to associated Data RQ */180};181 182/* Priority bit. Set value to exceed low water mark in lpfc_mem. */183#define MEM_PRI 0x100184 185 186/****************************************************************************/187/* Device VPD save area */188/****************************************************************************/189typedef struct lpfc_vpd {190 uint32_t status; /* vpd status value */191 uint32_t length; /* number of bytes actually returned */192 struct {193 uint32_t rsvd1; /* Revision numbers */194 uint32_t biuRev;195 uint32_t smRev;196 uint32_t smFwRev;197 uint32_t endecRev;198 uint16_t rBit;199 uint8_t fcphHigh;200 uint8_t fcphLow;201 uint8_t feaLevelHigh;202 uint8_t feaLevelLow;203 uint32_t postKernRev;204 uint32_t opFwRev;205 uint8_t opFwName[16];206 uint32_t sli1FwRev;207 uint8_t sli1FwName[16];208 uint32_t sli2FwRev;209 uint8_t sli2FwName[16];210 } rev;211 struct {212#ifdef __BIG_ENDIAN_BITFIELD213 uint32_t rsvd3 :20; /* Reserved */214 uint32_t rsvd2 : 3; /* Reserved */215 uint32_t cbg : 1; /* Configure BlockGuard */216 uint32_t cmv : 1; /* Configure Max VPIs */217 uint32_t ccrp : 1; /* Config Command Ring Polling */218 uint32_t csah : 1; /* Configure Synchronous Abort Handling */219 uint32_t chbs : 1; /* Cofigure Host Backing store */220 uint32_t cinb : 1; /* Enable Interrupt Notification Block */221 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */222 uint32_t cmx : 1; /* Configure Max XRIs */223 uint32_t cmr : 1; /* Configure Max RPIs */224#else /* __LITTLE_ENDIAN */225 uint32_t cmr : 1; /* Configure Max RPIs */226 uint32_t cmx : 1; /* Configure Max XRIs */227 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */228 uint32_t cinb : 1; /* Enable Interrupt Notification Block */229 uint32_t chbs : 1; /* Cofigure Host Backing store */230 uint32_t csah : 1; /* Configure Synchronous Abort Handling */231 uint32_t ccrp : 1; /* Config Command Ring Polling */232 uint32_t cmv : 1; /* Configure Max VPIs */233 uint32_t cbg : 1; /* Configure BlockGuard */234 uint32_t rsvd2 : 3; /* Reserved */235 uint32_t rsvd3 :20; /* Reserved */236#endif237 } sli3Feat;238} lpfc_vpd_t;239 240 241/*242 * lpfc stat counters243 */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 elsRcvRPL;267 uint32_t elsRcvRRQ;268 uint32_t elsRcvRTV;269 uint32_t elsRcvECHO;270 uint32_t elsRcvLCB;271 uint32_t elsRcvRDP;272 uint32_t elsRcvRDF;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 elsXmitRSCN;281 uint32_t elsXmitRNID;282 uint32_t elsXmitFARP;283 uint32_t elsXmitFARPR;284 uint32_t elsXmitACC;285 uint32_t elsXmitLSRJT;286 287 uint32_t frameRcvBcast;288 uint32_t frameRcvMulti;289 uint32_t strayXmitCmpl;290 uint32_t frameXmitDelay;291 uint32_t xriCmdCmpl;292 uint32_t xriStatErr;293 uint32_t LinkUp;294 uint32_t LinkDown;295 uint32_t LinkMultiEvent;296 uint32_t NoRcvBuf;297 uint32_t fcpCmd;298 uint32_t fcpCmpl;299 uint32_t fcpRspErr;300 uint32_t fcpRemoteStop;301 uint32_t fcpPortRjt;302 uint32_t fcpPortBusy;303 uint32_t fcpError;304 uint32_t fcpLocalErr;305};306 307struct lpfc_hba;308 309/* Data structure to keep withheld FLOGI_ACC information */310struct lpfc_defer_flogi_acc {311 bool flag;312 u16 rx_id;313 u16 ox_id;314 struct lpfc_nodelist *ndlp;315 316};317 318#define LPFC_VMID_TIMER 300 /* timer interval in seconds */319 320#define LPFC_MAX_VMID_SIZE 256321 322union lpfc_vmid_io_tag {323 u32 app_id; /* App Id vmid */324 u8 cs_ctl_vmid; /* Priority tag vmid */325};326 327#define JIFFIES_PER_HR (HZ * 60 * 60)328 329struct lpfc_vmid {330 u8 flag;331#define LPFC_VMID_SLOT_FREE 0x0332#define LPFC_VMID_SLOT_USED 0x1333#define LPFC_VMID_REQ_REGISTER 0x2334#define LPFC_VMID_REGISTERED 0x4335#define LPFC_VMID_DE_REGISTER 0x8336 char host_vmid[LPFC_MAX_VMID_SIZE];337 union lpfc_vmid_io_tag un;338 struct hlist_node hnode;339 u64 io_rd_cnt;340 u64 io_wr_cnt;341 u8 vmid_len;342 u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */343 u32 hash_index;344 u64 __percpu *last_io_time;345};346 347#define lpfc_vmid_is_type_priority_tag(vport)\348 (vport->vmid_priority_tagging ? 1 : 0)349 350#define LPFC_VMID_HASH_SIZE 256351#define LPFC_VMID_HASH_MASK 255352#define LPFC_VMID_HASH_SHIFT 6353 354struct lpfc_vmid_context {355 struct lpfc_vmid *vmp;356 struct lpfc_nodelist *nlp;357 bool instantiated;358};359 360struct lpfc_vmid_priority_range {361 u8 low;362 u8 high;363 u8 qos;364};365 366struct lpfc_vmid_priority_info {367 u32 num_descriptors;368 struct lpfc_vmid_priority_range *vmid_range;369};370 371#define QFPA_EVEN_ONLY 0x01372#define QFPA_ODD_ONLY 0x02373#define QFPA_EVEN_ODD 0x03374 375enum discovery_state {376 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */377 LPFC_VPORT_FAILED = 1, /* vport has failed */378 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */379 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */380 LPFC_FDISC = 8, /* FDISC sent for vport */381 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id382 * configured */383 LPFC_NS_REG = 10, /* Register with NameServer */384 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */385 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for386 * device authentication / discovery */387 LPFC_DISC_AUTH = 13, /* Processing ADISC list */388 LPFC_VPORT_READY = 32,389};390 391enum hba_state {392 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */393 LPFC_WARM_START = 1, /* HBA state after selective reset */394 LPFC_INIT_START = 2, /* Initial state after board reset */395 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */396 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */397 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */398 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue399 * CLEAR_LA */400 LPFC_HBA_READY = 32,401 LPFC_HBA_ERROR = -1402};403 404enum lpfc_hba_flag { /* hba generic flags */405 HBA_ERATT_HANDLED = 0, /* This flag is set when eratt handled */406 DEFER_ERATT = 1, /* Deferred error attn in progress */407 HBA_FCOE_MODE = 2, /* HBA function in FCoE Mode */408 HBA_SP_QUEUE_EVT = 3, /* Slow-path qevt posted to worker thread*/409 HBA_POST_RECEIVE_BUFFER = 4, /* Rcv buffers need to be posted */410 HBA_PERSISTENT_TOPO = 5, /* Persistent topology support in hba */411 ELS_XRI_ABORT_EVENT = 6, /* ELS_XRI abort event was queued */412 ASYNC_EVENT = 7,413 LINK_DISABLED = 8, /* Link disabled by user */414 FCF_TS_INPROG = 9, /* FCF table scan in progress */415 FCF_RR_INPROG = 10, /* FCF roundrobin flogi in progress */416 HBA_FIP_SUPPORT = 11, /* FIP support in HBA */417 HBA_DEVLOSS_TMO = 13, /* HBA in devloss timeout */418 HBA_RRQ_ACTIVE = 14, /* process the rrq active list */419 HBA_IOQ_FLUSH = 15, /* I/O queues being flushed */420 HBA_RECOVERABLE_UE = 17, /* FW supports recoverable UE */421 HBA_FORCED_LINK_SPEED = 18, /*422 * Firmware supports Forced Link423 * Speed capability424 */425 HBA_FLOGI_ISSUED = 20, /* FLOGI was issued */426 HBA_DEFER_FLOGI = 23, /* Defer FLOGI till read_sparm cmpl */427 HBA_SETUP = 24, /* HBA setup completed */428 HBA_NEEDS_CFG_PORT = 25, /* SLI3: CONFIG_PORT mbox needed */429 HBA_HBEAT_INP = 26, /* mbox HBEAT is in progress */430 HBA_HBEAT_TMO = 27, /* HBEAT initiated after timeout */431 HBA_FLOGI_OUTSTANDING = 28, /* FLOGI is outstanding */432 HBA_RHBA_CMPL = 29, /* RHBA FDMI cmd is successful */433};434 435struct lpfc_trunk_link_state {436 enum hba_state state;437 uint8_t fault;438};439 440struct lpfc_trunk_link {441 struct lpfc_trunk_link_state link0,442 link1,443 link2,444 link3;445 u32 phy_lnk_speed;446};447 448/* Format of congestion module parameters */449struct lpfc_cgn_param {450 uint32_t cgn_param_magic;451 uint8_t cgn_param_version; /* version 1 */452 uint8_t cgn_param_mode; /* 0=off 1=managed 2=monitor only */453#define LPFC_CFG_OFF 0454#define LPFC_CFG_MANAGED 1455#define LPFC_CFG_MONITOR 2456 uint8_t cgn_rsvd1;457 uint8_t cgn_rsvd2;458 uint8_t cgn_param_level0;459 uint8_t cgn_param_level1;460 uint8_t cgn_param_level2;461 uint8_t byte11;462 uint8_t byte12;463 uint8_t byte13;464 uint8_t byte14;465 uint8_t byte15;466};467 468/* Max number of days of congestion data */469#define LPFC_MAX_CGN_DAYS 10470 471struct lpfc_cgn_ts {472 uint8_t month;473 uint8_t day;474 uint8_t year;475 uint8_t hour;476 uint8_t minute;477 uint8_t second;478};479 480/* Format of congestion buffer info481 * This structure defines memory thats allocated and registered with482 * the HBA firmware. When adding or removing fields from this structure483 * the alignment must match the HBA firmware.484 */485 486struct lpfc_cgn_info {487 /* Header */488 __le16 cgn_info_size; /* is sizeof(struct lpfc_cgn_info) */489 uint8_t cgn_info_version; /* represents format of structure */490#define LPFC_CGN_INFO_V1 1491#define LPFC_CGN_INFO_V2 2492#define LPFC_CGN_INFO_V3 3493#define LPFC_CGN_INFO_V4 4494 uint8_t cgn_info_mode; /* 0=off 1=managed 2=monitor only */495 uint8_t cgn_info_detect;496 uint8_t cgn_info_action;497 uint8_t cgn_info_level0;498 uint8_t cgn_info_level1;499 uint8_t cgn_info_level2;500 501 /* Start Time */502 struct lpfc_cgn_ts base_time;503 504 /* minute / hours / daily indices */505 uint8_t cgn_index_minute;506 uint8_t cgn_index_hour;507 uint8_t cgn_index_day;508 509 __le16 cgn_warn_freq;510 __le16 cgn_alarm_freq;511 __le16 cgn_lunq;512 uint8_t cgn_pad1[8];513 514 /* Driver Information */515 __le16 cgn_drvr_min[60];516 __le32 cgn_drvr_hr[24];517 __le32 cgn_drvr_day[LPFC_MAX_CGN_DAYS];518 519 /* Congestion Warnings */520 __le16 cgn_warn_min[60];521 __le32 cgn_warn_hr[24];522 __le32 cgn_warn_day[LPFC_MAX_CGN_DAYS];523 524 /* Latency Information */525 __le32 cgn_latency_min[60];526 __le32 cgn_latency_hr[24];527 __le32 cgn_latency_day[LPFC_MAX_CGN_DAYS];528 529 /* Bandwidth Information */530 __le16 cgn_bw_min[60];531 __le16 cgn_bw_hr[24];532 __le16 cgn_bw_day[LPFC_MAX_CGN_DAYS];533 534 /* Congestion Alarms */535 __le16 cgn_alarm_min[60];536 __le32 cgn_alarm_hr[24];537 __le32 cgn_alarm_day[LPFC_MAX_CGN_DAYS];538 539 struct_group(cgn_stat,540 uint8_t cgn_stat_npm; /* Notifications per minute */541 542 /* Start Time */543 struct lpfc_cgn_ts stat_start; /* Base time */544 uint8_t cgn_pad2;545 546 __le32 cgn_notification;547 __le32 cgn_peer_notification;548 __le32 link_integ_notification;549 __le32 delivery_notification;550 struct lpfc_cgn_ts stat_fpin; /* Last congestion notification FPIN */551 struct lpfc_cgn_ts stat_peer; /* Last peer congestion FPIN */552 struct lpfc_cgn_ts stat_lnk; /* Last link integrity FPIN */553 struct lpfc_cgn_ts stat_delivery; /* Last delivery notification FPIN */554 );555 556 __le32 cgn_info_crc;557#define LPFC_CGN_CRC32_MAGIC_NUMBER 0x1EDC6F41558#define LPFC_CGN_CRC32_SEED 0xFFFFFFFF559};560 561#define LPFC_CGN_INFO_SZ (sizeof(struct lpfc_cgn_info) - \562 sizeof(uint32_t))563 564struct lpfc_cgn_stat {565 atomic64_t total_bytes;566 atomic64_t rcv_bytes;567 atomic64_t rx_latency;568#define LPFC_CGN_NOT_SENT 0xFFFFFFFFFFFFFFFFLL569 atomic_t rx_io_cnt;570};571 572struct lpfc_cgn_acqe_stat {573 atomic64_t alarm;574 atomic64_t warn;575};576 577enum lpfc_fc_flag {578 /* Several of these flags are HBA centric and should be moved to579 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)580 */581 FC_PT2PT, /* pt2pt with no fabric */582 FC_PT2PT_PLOGI, /* pt2pt initiate PLOGI */583 FC_DISC_TMO, /* Discovery timer running */584 FC_PUBLIC_LOOP, /* Public loop */585 FC_LBIT, /* LOGIN bit in loopinit set */586 FC_RSCN_MODE, /* RSCN cmd rcv'ed */587 FC_NLP_MORE, /* More node to process in node tbl */588 FC_OFFLINE_MODE, /* Interface is offline for diag */589 FC_FABRIC, /* We are fabric attached */590 FC_VPORT_LOGO_RCVD, /* LOGO received on vport */591 FC_RSCN_DISCOVERY, /* Auth all devices after RSCN */592 FC_LOGO_RCVD_DID_CHNG, /* FDISC on phys port detect DID chng */593 FC_PT2PT_NO_NVME, /* Don't send NVME PRLI */594 FC_SCSI_SCAN_TMO, /* scsi scan timer running */595 FC_ABORT_DISCOVERY, /* we want to abort discovery */596 FC_NDISC_ACTIVE, /* NPort discovery active */597 FC_BYPASSED_MODE, /* NPort is in bypassed mode */598 FC_VPORT_NEEDS_REG_VPI, /* Needs to have its vpi registered */599 FC_RSCN_DEFERRED, /* A deferred RSCN being processed */600 FC_VPORT_NEEDS_INIT_VPI, /* Need to INIT_VPI before FDISC */601 FC_VPORT_CVL_RCVD, /* VLink failed due to CVL */602 FC_VFI_REGISTERED, /* VFI is registered */603 FC_FDISC_COMPLETED, /* FDISC completed */604 FC_DISC_DELAYED, /* Delay NPort discovery */605};606 607enum lpfc_load_flag {608 FC_LOADING, /* HBA in process of loading drvr */609 FC_UNLOADING, /* HBA in process of unloading drvr */610 FC_ALLOW_FDMI, /* port is ready for FDMI requests */611 FC_ALLOW_VMID, /* Allow VMID I/Os */612 FC_DEREGISTER_ALL_APP_ID /* Deregister all VMIDs */613};614 615struct lpfc_vport {616 struct lpfc_hba *phba;617 struct list_head listentry;618 uint8_t port_type;619#define LPFC_PHYSICAL_PORT 1620#define LPFC_NPIV_PORT 2621#define LPFC_FABRIC_PORT 3622 enum discovery_state port_state;623 624 uint16_t vpi;625 uint16_t vfi;626 uint8_t vpi_state;627#define LPFC_VPI_REGISTERED 0x1628 629 unsigned long fc_flag; /* FC flags */630 631 uint32_t ct_flags;632#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */633#define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */634#define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */635#define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */636#define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */637#define FC_CT_RPRT_DEFER 0x20 /* Defer issuing FDMI RPRT */638 639 struct list_head fc_nodes;640 spinlock_t fc_nodes_list_lock; /* spinlock for fc_nodes list */641 642 /* Keep counters for the number of entries in each list. */643 atomic_t fc_plogi_cnt;644 atomic_t fc_adisc_cnt;645 atomic_t fc_reglogin_cnt;646 atomic_t fc_prli_cnt;647 atomic_t fc_unmap_cnt;648 atomic_t fc_map_cnt;649 atomic_t fc_npr_cnt;650 atomic_t fc_unused_cnt;651 652 struct serv_parm fc_sparam; /* buffer for our service parameters */653 654 uint32_t fc_myDID; /* fibre channel S_ID */655 uint32_t fc_prevDID; /* previous fibre channel S_ID */656 struct lpfc_name fabric_portname;657 struct lpfc_name fabric_nodename;658 659 int32_t stopped; /* HBA has not been restarted since last ERATT */660 uint8_t fc_linkspeed; /* Link speed after last READ_LA */661 662 uint32_t num_disc_nodes; /* in addition to hba_state */663 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */664 665 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */666 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */667 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */668 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];669 struct lpfc_name fc_nodename; /* fc nodename */670 struct lpfc_name fc_portname; /* fc portname */671 672 struct lpfc_work_evt disc_timeout_evt;673 674 struct timer_list fc_disctmo; /* Discovery rescue timer */675 uint8_t fc_ns_retry; /* retries for fabric nameserver */676 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */677 678 spinlock_t work_port_lock;679 uint32_t work_port_events; /* Timeout to be handled */680#define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */681#define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */682#define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */683 684#define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */685#define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */686#define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */687#define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */688#define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */689#define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */690#define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */691#define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs692 * to be issued */693 694 struct timer_list els_tmofunc;695 struct timer_list delayed_disc_tmo;696 697 unsigned long load_flag;698 /* Vport Config Parameters */699 uint32_t cfg_scan_down;700 uint32_t cfg_lun_queue_depth;701 uint32_t cfg_nodev_tmo;702 uint32_t cfg_devloss_tmo;703 uint32_t cfg_restrict_login;704 uint32_t cfg_peer_port_login;705 uint32_t cfg_fcp_class;706 uint32_t cfg_use_adisc;707 uint32_t cfg_discovery_threads;708 uint32_t cfg_log_verbose;709 uint32_t cfg_enable_fc4_type;710 uint32_t cfg_max_luns;711 uint32_t cfg_enable_da_id;712 uint32_t cfg_max_scsicmpl_time;713 uint32_t cfg_tgt_queue_depth;714 uint32_t cfg_first_burst_size;715 uint32_t dev_loss_tmo_changed;716 /* VMID parameters */717 u8 lpfc_vmid_host_uuid[16];718 u32 max_vmid; /* maximum VMIDs allowed per port */719 u32 cur_vmid_cnt; /* Current VMID count */720#define LPFC_MIN_VMID 4721#define LPFC_MAX_VMID 255722 u32 vmid_inactivity_timeout; /* Time after which the VMID */723 /* deregisters from switch */724 u32 vmid_priority_tagging;725#define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */726#define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */727#define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */728 unsigned long *vmid_priority_range;729#define LPFC_VMID_MAX_PRIORITY_RANGE 256730#define LPFC_VMID_PRIORITY_BITMAP_SIZE 32731 u8 vmid_flag;732#define LPFC_VMID_IN_USE 0x1733#define LPFC_VMID_ISSUE_QFPA 0x2734#define LPFC_VMID_QFPA_CMPL 0x4735#define LPFC_VMID_QOS_ENABLED 0x8736#define LPFC_VMID_TIMER_ENBLD 0x10737#define LPFC_VMID_TYPE_PRIO 0x20738 struct fc_qfpa_res *qfpa_res;739 740 struct fc_vport *fc_vport;741 742 struct lpfc_vmid *vmid;743 DECLARE_HASHTABLE(hash_table, 8);744 rwlock_t vmid_lock;745 struct lpfc_vmid_priority_info vmid_priority;746 747#ifdef CONFIG_SCSI_LPFC_DEBUG_FS748 struct dentry *debug_disc_trc;749 struct dentry *debug_nodelist;750 struct dentry *debug_nvmestat;751 struct dentry *debug_scsistat;752 struct dentry *debug_ioktime;753 struct dentry *debug_hdwqstat;754 struct dentry *vport_debugfs_root;755 struct lpfc_debugfs_trc *disc_trc;756 atomic_t disc_trc_cnt;757#endif758 struct list_head rcv_buffer_list;759 unsigned long rcv_buffer_time_stamp;760 uint32_t vport_flag;761#define STATIC_VPORT 0x1762#define FAWWPN_PARAM_CHG 0x2763 764 uint16_t fdmi_num_disc;765 uint32_t fdmi_hba_mask;766 uint32_t fdmi_port_mask;767 768 /* There is a single nvme instance per vport. */769 struct nvme_fc_local_port *localport;770 uint8_t nvmei_support; /* driver supports NVME Initiator */771 uint32_t last_fcp_wqidx;772 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */773};774 775struct hbq_s {776 uint16_t entry_count; /* Current number of HBQ slots */777 uint16_t buffer_count; /* Current number of buffers posted */778 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */779 uint32_t hbqPutIdx; /* HBQ slot to use */780 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */781 void *hbq_virt; /* Virtual ptr to this hbq */782 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */783 /* Callback for HBQ buffer allocation */784 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);785 /* Callback for HBQ buffer free */786 void (*hbq_free_buffer) (struct lpfc_hba *,787 struct hbq_dmabuf *);788};789 790/* this matches the position in the lpfc_hbq_defs array */791#define LPFC_ELS_HBQ 0792#define LPFC_MAX_HBQS 1793 794enum hba_temp_state {795 HBA_NORMAL_TEMP,796 HBA_OVER_TEMP797};798 799enum intr_type_t {800 NONE = 0,801 INTx,802 MSI,803 MSIX,804};805 806#define LPFC_CT_CTX_MAX 64807struct unsol_rcv_ct_ctx {808 uint32_t ctxt_id;809 uint32_t SID;810 uint32_t valid;811#define UNSOL_INVALID 0812#define UNSOL_VALID 1813 uint16_t oxid;814 uint16_t rxid;815};816 817#define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/818#define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */819#define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */820#define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */821#define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */822#define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */823#define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */824#define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */825#define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */826#define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G827 828#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"829 830enum nemb_type {831 nemb_mse = 1,832 nemb_hbd833};834 835enum mbox_type {836 mbox_rd = 1,837 mbox_wr838};839 840enum dma_type {841 dma_mbox = 1,842 dma_ebuf843};844 845enum sta_type {846 sta_pre_addr = 1,847 sta_pos_addr848};849 850struct lpfc_mbox_ext_buf_ctx {851 uint32_t state;852#define LPFC_BSG_MBOX_IDLE 0853#define LPFC_BSG_MBOX_HOST 1854#define LPFC_BSG_MBOX_PORT 2855#define LPFC_BSG_MBOX_DONE 3856#define LPFC_BSG_MBOX_ABTS 4857 enum nemb_type nembType;858 enum mbox_type mboxType;859 uint32_t numBuf;860 uint32_t mbxTag;861 uint32_t seqNum;862 struct lpfc_dmabuf *mbx_dmabuf;863 struct list_head ext_dmabuf_list;864};865 866struct lpfc_epd_pool {867 /* Expedite pool */868 struct list_head list;869 u32 count;870 spinlock_t lock; /* lock for expedite pool */871};872 873enum ras_state {874 INACTIVE,875 REG_INPROGRESS,876 ACTIVE877};878 879struct lpfc_ras_fwlog {880 uint8_t *fwlog_buff;881 uint32_t fw_buffcount; /* Buffer size posted to FW */882#define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */883#define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)884#define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)885#define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)886 uint32_t fw_loglevel; /* Log level set */887 struct lpfc_dmabuf lwpd;888 struct list_head fwlog_buff_list;889 890 /* RAS support status on adapter */891 bool ras_hwsupport; /* RAS Support available on HW or not */892 bool ras_enabled; /* Ras Enabled for the function */893#define LPFC_RAS_DISABLE_LOGGING 0x00894#define LPFC_RAS_ENABLE_LOGGING 0x01895 enum ras_state state; /* RAS logging running state */896};897 898#define DBG_LOG_STR_SZ 256899#define DBG_LOG_SZ 256900 901struct dbg_log_ent {902 char log[DBG_LOG_STR_SZ];903 u64 t_ns;904};905 906enum lpfc_irq_chann_mode {907 /* Assign IRQs to all possible cpus that have hardware queues */908 NORMAL_MODE,909 910 /* Assign IRQs only to cpus on the same numa node as HBA */911 NUMA_MODE,912 913 /* Assign IRQs only on non-hyperthreaded CPUs. This is the914 * same as normal_mode, but assign IRQS only on physical CPUs.915 */916 NHT_MODE,917};918 919enum lpfc_hba_bit_flags {920 FABRIC_COMANDS_BLOCKED,921 HBA_PCI_ERR,922 MBX_TMO_ERR,923};924 925struct lpfc_hba {926 /* SCSI interface function jump table entries */927 struct lpfc_io_buf * (*lpfc_get_scsi_buf)928 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,929 struct scsi_cmnd *cmnd);930 int (*lpfc_scsi_prep_dma_buf)931 (struct lpfc_hba *, struct lpfc_io_buf *);932 void (*lpfc_scsi_unprep_dma_buf)933 (struct lpfc_hba *, struct lpfc_io_buf *);934 void (*lpfc_release_scsi_buf)935 (struct lpfc_hba *, struct lpfc_io_buf *);936 void (*lpfc_rampdown_queue_depth)937 (struct lpfc_hba *);938 void (*lpfc_scsi_prep_cmnd)939 (struct lpfc_vport *, struct lpfc_io_buf *,940 struct lpfc_nodelist *);941 int (*lpfc_scsi_prep_cmnd_buf)942 (struct lpfc_vport *vport,943 struct lpfc_io_buf *lpfc_cmd,944 uint8_t tmo);945 int (*lpfc_scsi_prep_task_mgmt_cmd)946 (struct lpfc_vport *vport,947 struct lpfc_io_buf *lpfc_cmd,948 u64 lun, u8 task_mgmt_cmd);949 950 /* IOCB interface function jump table entries */951 int (*__lpfc_sli_issue_iocb)952 (struct lpfc_hba *, uint32_t,953 struct lpfc_iocbq *, uint32_t);954 int (*__lpfc_sli_issue_fcp_io)955 (struct lpfc_hba *phba, uint32_t ring_number,956 struct lpfc_iocbq *piocb, uint32_t flag);957 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,958 struct lpfc_iocbq *);959 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);960 961 /* MBOX interface function jump table entries */962 int (*lpfc_sli_issue_mbox)963 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);964 965 /* Slow-path IOCB process function jump table entries */966 void (*lpfc_sli_handle_slow_ring_event)967 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,968 uint32_t mask);969 970 /* INIT device interface function jump table entries */971 int (*lpfc_sli_hbq_to_firmware)972 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);973 int (*lpfc_sli_brdrestart)974 (struct lpfc_hba *);975 int (*lpfc_sli_brdready)976 (struct lpfc_hba *, uint32_t);977 void (*lpfc_handle_eratt)978 (struct lpfc_hba *);979 void (*lpfc_stop_port)980 (struct lpfc_hba *);981 int (*lpfc_hba_init_link)982 (struct lpfc_hba *, uint32_t);983 int (*lpfc_hba_down_link)984 (struct lpfc_hba *, uint32_t);985 int (*lpfc_selective_reset)986 (struct lpfc_hba *);987 988 int (*lpfc_bg_scsi_prep_dma_buf)989 (struct lpfc_hba *, struct lpfc_io_buf *);990 991 /* Prep SLI WQE/IOCB jump table entries */992 void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq,993 struct lpfc_vport *vport,994 struct lpfc_dmabuf *bmp,995 u16 cmd_size, u32 did, u32 elscmd,996 u8 tmo, u8 expect_rsp);997 void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq,998 struct lpfc_dmabuf *bmp, u16 rpi,999 u32 num_entry, u8 tmo);1000 void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq,1001 struct lpfc_dmabuf *bmp, u16 rpi,1002 u16 ox_id, u32 num_entry, u8 rctl,1003 u8 last_seq, u8 cr_cx_cmd);1004 void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq,1005 u16 ulp_context, u16 iotag,1006 u8 ulp_class, u16 cqid, bool ia,1007 bool wqec);1008 1009 /* expedite pool */1010 struct lpfc_epd_pool epd_pool;1011 1012 /* SLI4 specific HBA data structure */1013 struct lpfc_sli4_hba sli4_hba;1014 1015 struct workqueue_struct *wq;1016 struct delayed_work eq_delay_work;1017 1018#define LPFC_IDLE_STAT_DELAY 10001019 struct delayed_work idle_stat_delay_work;1020 1021 struct lpfc_sli sli;1022 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */1023 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */1024 uint32_t sli3_options; /* Mask of enabled SLI3 options */1025#define LPFC_SLI3_HBQ_ENABLED 0x011026#define LPFC_SLI3_NPIV_ENABLED 0x021027#define LPFC_SLI3_VPORT_TEARDOWN 0x041028#define LPFC_SLI3_CRP_ENABLED 0x081029#define LPFC_SLI3_BG_ENABLED 0x201030#define LPFC_SLI3_DSS_ENABLED 0x401031#define LPFC_SLI4_PERFH_ENABLED 0x801032#define LPFC_SLI4_PHWQ_ENABLED 0x1001033 uint32_t iocb_cmd_size;1034 uint32_t iocb_rsp_size;1035 1036 struct lpfc_trunk_link trunk_link;1037 enum hba_state link_state;1038 uint32_t link_flag; /* link state flags */1039#define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */1040 /* This flag is set while issuing */1041 /* INIT_LINK mailbox command */1042#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */1043#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */1044#define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */1045#define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */1046#define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */1047#define LS_EXTERNAL_LOOPBACK 0x40 /* External loopback plug inserted */1048 1049 unsigned long hba_flag; /* hba generic flags */1050 1051 struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */1052 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/1053 struct lpfc_dmabuf slim2p;1054 1055 MAILBOX_t *mbox;1056 uint32_t *mbox_ext;1057 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;1058 uint32_t ha_copy;1059 struct _PCB *pcb;1060 struct _IOCB *IOCBs;1061 1062 struct lpfc_dmabuf hbqslimp;1063 1064 uint16_t pci_cfg_value;1065 1066 uint8_t fc_linkspeed; /* Link speed after last READ_LA */1067 1068 uint32_t fc_eventTag; /* event tag for link attention */1069 uint32_t link_events;1070 1071 /* These fields used to be binfo */1072 uint32_t fc_pref_DID; /* preferred D_ID */1073 uint8_t fc_pref_ALPA; /* preferred AL_PA */1074 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */1075 uint32_t fc_edtov; /* E_D_TOV timer value */1076 uint32_t fc_arbtov; /* ARB_TOV timer value */1077 uint32_t fc_ratov; /* R_A_TOV timer value */1078 uint32_t fc_rttov; /* R_T_TOV timer value */1079 uint32_t fc_altov; /* AL_TOV timer value */1080 uint32_t fc_crtov; /* C_R_TOV timer value */1081 1082 struct serv_parm fc_fabparam; /* fabric service parameters buffer */1083 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */1084 1085 uint32_t lmt;1086 1087 uint32_t fc_topology; /* link topology, from LINK INIT */1088 uint32_t fc_topology_changed; /* link topology, from LINK INIT */1089 1090 struct lpfc_stats fc_stat;1091 1092 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */1093 uint32_t nport_event_cnt; /* timestamp for nlplist entry */1094 1095 uint8_t wwnn[8];1096 uint8_t wwpn[8];1097 uint32_t RandomData[7];1098 uint8_t fcp_embed_io;1099 uint8_t nvmet_support; /* driver supports NVMET */1100#define LPFC_NVMET_MAX_PORTS 321101 uint8_t mds_diags_support;1102 uint8_t bbcredit_support;1103 uint8_t enab_exp_wqcq_pages;1104 u8 nsler; /* Firmware supports FC-NVMe-2 SLER */1105 1106 /* HBA Config Parameters */1107 uint32_t cfg_ack0;1108 uint32_t cfg_xri_rebalancing;1109 uint32_t cfg_xpsgl;1110 uint32_t cfg_enable_npiv;1111 uint32_t cfg_enable_rrq;1112 uint32_t cfg_topology;1113 uint32_t cfg_link_speed;1114#define LPFC_FCF_FOV 1 /* Fast fcf failover */1115#define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */1116 uint32_t cfg_fcf_failover_policy;1117 uint32_t cfg_fcp_io_sched;1118 uint32_t cfg_ns_query;1119 uint32_t cfg_fcp2_no_tgt_reset;1120 uint32_t cfg_cr_delay;1121 uint32_t cfg_cr_count;1122 uint32_t cfg_multi_ring_support;1123 uint32_t cfg_multi_ring_rctl;1124 uint32_t cfg_multi_ring_type;1125 uint32_t cfg_poll;1126 uint32_t cfg_poll_tmo;1127 uint32_t cfg_task_mgmt_tmo;1128 uint32_t cfg_use_msi;1129 uint32_t cfg_auto_imax;1130 uint32_t cfg_fcp_imax;1131 uint32_t cfg_force_rscn;1132 uint32_t cfg_cq_poll_threshold;1133 uint32_t cfg_cq_max_proc_limit;1134 uint32_t cfg_fcp_cpu_map;1135 uint32_t cfg_fcp_mq_threshold;1136 uint32_t cfg_hdw_queue;1137 uint32_t cfg_irq_chann;1138 uint32_t cfg_suppress_rsp;1139 uint32_t cfg_nvme_oas;1140 uint32_t cfg_nvme_embed_cmd;1141 uint32_t cfg_nvmet_mrq_post;1142 uint32_t cfg_nvmet_mrq;1143 uint32_t cfg_enable_nvmet;1144 uint32_t cfg_nvme_enable_fb;1145 uint32_t cfg_nvmet_fb_size;1146 uint32_t cfg_total_seg_cnt;1147 uint32_t cfg_sg_seg_cnt;1148 uint32_t cfg_nvme_seg_cnt;1149 uint32_t cfg_scsi_seg_cnt;1150 uint32_t cfg_sg_dma_buf_size;1151 uint32_t cfg_hba_queue_depth;1152 uint32_t cfg_enable_hba_reset;1153 uint32_t cfg_enable_hba_heartbeat;1154 uint32_t cfg_fof;1155 uint32_t cfg_EnableXLane;1156 uint8_t cfg_oas_tgt_wwpn[8];1157 uint8_t cfg_oas_vpt_wwpn[8];1158 uint32_t cfg_oas_lun_state;1159#define OAS_LUN_ENABLE 11160#define OAS_LUN_DISABLE 01161 uint32_t cfg_oas_lun_status;1162#define OAS_LUN_STATUS_EXISTS 0x011163 uint32_t cfg_oas_flags;1164#define OAS_FIND_ANY_VPORT 0x011165#define OAS_FIND_ANY_TARGET 0x021166#define OAS_LUN_VALID 0x041167 uint32_t cfg_oas_priority;1168 uint32_t cfg_XLanePriority;1169 uint32_t cfg_enable_bg;1170 uint32_t cfg_prot_mask;1171 uint32_t cfg_prot_guard;1172 uint32_t cfg_hostmem_hgp;1173 uint32_t cfg_log_verbose;1174 uint32_t cfg_enable_fc4_type;1175#define LPFC_ENABLE_FCP 11176#define LPFC_ENABLE_NVME 21177#define LPFC_ENABLE_BOTH 31178#if (IS_ENABLED(CONFIG_NVME_FC))1179#define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH1180#define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH1181#else1182#define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP1183#define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP1184#endif1185 uint32_t cfg_sriov_nr_virtfn;1186 uint32_t cfg_request_firmware_upgrade;1187 uint32_t cfg_suppress_link_up;1188 uint32_t cfg_rrq_xri_bitmap_sz;1189 u32 cfg_fcp_wait_abts_rsp;1190 uint32_t cfg_delay_discovery;1191 uint32_t cfg_sli_mode;1192#define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */1193#define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */1194#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */1195 uint32_t cfg_fdmi_on;1196#define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */1197#define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */1198 uint32_t cfg_enable_SmartSAN;1199 uint32_t cfg_enable_mds_diags;1200 uint32_t cfg_ras_fwlog_level;1201 uint32_t cfg_ras_fwlog_buffsize;1202 uint32_t cfg_ras_fwlog_func;1203 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */1204 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */1205 uint32_t cfg_enable_pbde;1206 uint32_t cfg_enable_mi;1207 struct nvmet_fc_target_port *targetport;1208 lpfc_vpd_t vpd; /* vital product data */1209 1210 u32 cfg_max_vmid; /* maximum VMIDs allowed per port */1211 u32 cfg_vmid_app_header;1212#define LPFC_VMID_APP_HEADER_DISABLE 01213#define LPFC_VMID_APP_HEADER_ENABLE 11214 u32 cfg_vmid_priority_tagging;1215 u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */1216 /* deregisters from switch */1217 struct pci_dev *pcidev;1218 struct list_head work_list;1219 uint32_t work_ha; /* Host Attention Bits for WT */1220 uint32_t work_ha_mask; /* HA Bits owned by WT */1221 uint32_t work_hs; /* HS stored in case of ERRAT */1222 uint32_t work_status[2]; /* Extra status from SLIM */1223 1224 wait_queue_head_t work_waitq;1225 struct task_struct *worker_thread;1226 unsigned long data_flags;1227 uint32_t border_sge_num;1228 1229 uint32_t hbq_in_use; /* HBQs in use flag */1230 uint32_t hbq_count; /* Count of configured HBQs */1231 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */1232 1233 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */1234 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */1235 1236 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */1237 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */1238 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */1239 void __iomem *slim_memmap_p; /* Kernel memory mapped address for1240 PCI BAR0 */1241 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for1242 PCI BAR2 */1243 1244 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for1245 PCI BAR0 with dual-ULP support */1246 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for1247 PCI BAR2 with dual-ULP support */1248 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for1249 PCI BAR4 with dual-ULP support */1250#define PCI_64BIT_BAR0 01251#define PCI_64BIT_BAR2 21252#define PCI_64BIT_BAR4 41253 void __iomem *MBslimaddr; /* virtual address for mbox cmds */1254 void __iomem *HAregaddr; /* virtual address for host attn reg */1255 void __iomem *CAregaddr; /* virtual address for chip attn reg */1256 void __iomem *HSregaddr; /* virtual address for host status1257 reg */1258 void __iomem *HCregaddr; /* virtual address for host ctl reg */1259 1260 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */1261 struct lpfc_pgp *port_gp;1262 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */1263 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */1264 1265 int brd_no; /* FC board number */1266 char SerialNumber[32]; /* adapter Serial Number */1267 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */1268 char BIOSVersion[16]; /* Boot BIOS version */1269 char ModelDesc[256]; /* Model Description */1270 char ModelName[80]; /* Model Name */1271 char ProgramType[256]; /* Program Type */1272 char Port[20]; /* Port No */1273 uint8_t vpd_flag; /* VPD data flag */1274 1275#define VPD_MODEL_DESC 0x1 /* valid vpd model description */1276#define VPD_MODEL_NAME 0x2 /* valid vpd model name */1277#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */1278#define VPD_PORT 0x8 /* valid vpd port data */1279#define VPD_MASK 0xf /* mask for any vpd data */1280 1281 1282 struct timer_list fcp_poll_timer;1283 struct timer_list eratt_poll;1284 uint32_t eratt_poll_interval;1285 1286 uint64_t bg_guard_err_cnt;1287 uint64_t bg_apptag_err_cnt;1288 uint64_t bg_reftag_err_cnt;1289 1290 /* fastpath list. */1291 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */1292 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */1293 struct list_head lpfc_scsi_buf_list_get;1294 struct list_head lpfc_scsi_buf_list_put;1295 uint32_t total_scsi_bufs;1296 struct list_head lpfc_iocb_list;1297 uint32_t total_iocbq_bufs;1298 spinlock_t rrq_list_lock; /* lock for active_rrq_list */1299 struct list_head active_rrq_list;1300 spinlock_t hbalock;1301 struct work_struct unblock_request_work; /* SCSI layer unblock IOs */1302 1303 /* dma_mem_pools */1304 struct dma_pool *lpfc_sg_dma_buf_pool;1305 struct dma_pool *lpfc_mbuf_pool;1306 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */1307 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */1308 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */1309 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */1310 struct dma_pool *lpfc_cmd_rsp_buf_pool;1311 struct lpfc_dma_pool lpfc_mbuf_safety_pool;1312 1313 mempool_t *mbox_mem_pool;1314 mempool_t *nlp_mem_pool;1315 mempool_t *rrq_pool;1316 mempool_t *active_rrq_pool;1317 1318 struct fc_host_statistics link_stats;1319 enum lpfc_irq_chann_mode irq_chann_mode;1320 enum intr_type_t intr_type;1321 uint32_t intr_mode;1322#define LPFC_INTR_ERROR 0xFFFFFFFF1323 struct list_head port_list;1324 spinlock_t port_list_lock; /* lock for port_list mutations */1325 struct lpfc_vport *pport; /* physical lpfc_vport pointer */1326 uint16_t max_vpi; /* Maximum virtual nports */1327#define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */1328#define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */1329 uint16_t max_vports; /*1330 * For IOV HBAs max_vpi can change1331 * after a reset. max_vports is max1332 * number of vports present. This can1333 * be greater than max_vpi.1334 */1335 uint16_t vpi_base;1336 uint16_t vfi_base;1337 unsigned long *vpi_bmask; /* vpi allocation table */1338 uint16_t *vpi_ids;1339 uint16_t vpi_count;1340 struct list_head lpfc_vpi_blk_list;1341 1342 /* Data structure used by fabric iocb scheduler */1343 struct list_head fabric_iocb_list;1344 atomic_t fabric_iocb_count;1345 struct timer_list fabric_block_timer;1346 unsigned long bit_flags;1347 atomic_t num_rsrc_err;1348 unsigned long last_rsrc_error_time;1349 unsigned long last_ramp_down_time;1350#ifdef CONFIG_SCSI_LPFC_DEBUG_FS1351 struct dentry *hba_debugfs_root;1352 atomic_t debugfs_vport_count;1353 struct dentry *debug_multixri_pools;1354 struct dentry *debug_hbqinfo;1355 struct dentry *debug_dumpHostSlim;1356 struct dentry *debug_dumpHBASlim;1357 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */1358 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */1359 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */1360 struct dentry *debug_writeGuard; /* inject write guard_tag errors */1361 struct dentry *debug_writeApp; /* inject write app_tag errors */1362 struct dentry *debug_writeRef; /* inject write ref_tag errors */1363 struct dentry *debug_readGuard; /* inject read guard_tag errors */1364 struct dentry *debug_readApp; /* inject read app_tag errors */1365 struct dentry *debug_readRef; /* inject read ref_tag errors */1366 1367 struct dentry *debug_nvmeio_trc;1368 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;1369 struct dentry *debug_hdwqinfo;1370#ifdef LPFC_HDWQ_LOCK_STAT1371 struct dentry *debug_lockstat;1372#endif1373 struct dentry *debug_cgn_buffer;1374 struct dentry *debug_rx_monitor;1375 struct dentry *debug_ras_log;1376 atomic_t nvmeio_trc_cnt;1377 uint32_t nvmeio_trc_size;1378 uint32_t nvmeio_trc_output_idx;1379 1380 /* T10 DIF error injection */1381 uint32_t lpfc_injerr_wgrd_cnt;1382 uint32_t lpfc_injerr_wapp_cnt;1383 uint32_t lpfc_injerr_wref_cnt;1384 uint32_t lpfc_injerr_rgrd_cnt;1385 uint32_t lpfc_injerr_rapp_cnt;1386 uint32_t lpfc_injerr_rref_cnt;1387 uint32_t lpfc_injerr_nportid;1388 struct lpfc_name lpfc_injerr_wwpn;1389 sector_t lpfc_injerr_lba;1390#define LPFC_INJERR_LBA_OFF (sector_t)(-1)1391 1392 struct dentry *debug_slow_ring_trc;1393 struct lpfc_debugfs_trc *slow_ring_trc;1394 atomic_t slow_ring_trc_cnt;1395 /* iDiag debugfs sub-directory */1396 struct dentry *idiag_root;1397 struct dentry *idiag_pci_cfg;1398 struct dentry *idiag_bar_acc;1399 struct dentry *idiag_que_info;1400 struct dentry *idiag_que_acc;1401 struct dentry *idiag_drb_acc;1402 struct dentry *idiag_ctl_acc;1403 struct dentry *idiag_mbx_acc;1404 struct dentry *idiag_ext_acc;1405 uint8_t lpfc_idiag_last_eq;1406#endif1407 uint16_t nvmeio_trc_on;1408 1409 /* Used for deferred freeing of ELS data buffers */1410 struct list_head elsbuf;1411 int elsbuf_cnt;1412 int elsbuf_prev_cnt;1413 1414 uint8_t temp_sensor_support;1415 /* Fields used for heart beat. */1416 unsigned long last_completion_time;1417 unsigned long skipped_hb;1418 struct timer_list hb_tmofunc;1419 struct timer_list rrq_tmr;1420 enum hba_temp_state over_temp_state;1421 /*1422 * Following bit will be set for all buffer tags which are not1423 * associated with any HBQ.1424 */1425#define QUE_BUFTAG_BIT (1<<31)1426 uint32_t buffer_tag_count;1427 1428/* Maximum number of events that can be outstanding at any time*/1429#define LPFC_MAX_EVT_COUNT 5121430 atomic_t fast_event_count;1431 uint32_t fcoe_eventtag;1432 uint32_t fcoe_eventtag_at_fcf_scan;1433 uint32_t fcoe_cvl_eventtag;1434 uint32_t fcoe_cvl_eventtag_attn;1435 struct lpfc_fcf fcf;1436 uint8_t fc_map[3];1437 uint8_t valid_vlan;1438 uint16_t vlan_id;1439 struct list_head fcf_conn_rec_list;1440 1441 struct lpfc_defer_flogi_acc defer_flogi_acc;1442 1443 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */1444 struct list_head ct_ev_waiters;1445 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];1446 uint32_t ctx_idx;1447 struct timer_list inactive_vmid_poll;1448 1449 /* RAS Support */1450 spinlock_t ras_fwlog_lock; /* do not take while holding another lock */1451 struct lpfc_ras_fwlog ras_fwlog;1452 1453 uint32_t iocb_cnt;1454 uint32_t iocb_max;1455 atomic_t sdev_cnt;1456 spinlock_t devicelock; /* lock for luns list */1457 mempool_t *device_data_mem_pool;1458 struct list_head luns;1459#define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x00801460#define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x00401461#define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x00201462#define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x00101463#define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x00081464#define LPFC_TRANSGRESSION_LOW_TXBIAS 0x00041465#define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x00021466#define LPFC_TRANSGRESSION_LOW_TXPOWER 0x00011467#define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x80001468#define LPFC_TRANSGRESSION_LOW_RXPOWER 0x40001469 uint16_t sfp_alarm;1470 uint16_t sfp_warning;1471 1472#ifdef CONFIG_SCSI_LPFC_DEBUG_FS1473 uint16_t hdwqstat_on;1474#define LPFC_CHECK_OFF 01475#define LPFC_CHECK_NVME_IO 11476#define LPFC_CHECK_NVMET_IO 21477#define LPFC_CHECK_SCSI_IO 41478 uint16_t ktime_on;1479 uint64_t ktime_data_samples;1480 uint64_t ktime_status_samples;1481 uint64_t ktime_last_cmd;1482 uint64_t ktime_seg1_total;1483 uint64_t ktime_seg1_min;1484 uint64_t ktime_seg1_max;1485 uint64_t ktime_seg2_total;1486 uint64_t ktime_seg2_min;1487 uint64_t ktime_seg2_max;1488 uint64_t ktime_seg3_total;1489 uint64_t ktime_seg3_min;1490 uint64_t ktime_seg3_max;1491 uint64_t ktime_seg4_total;1492 uint64_t ktime_seg4_min;1493 uint64_t ktime_seg4_max;1494 uint64_t ktime_seg5_total;1495 uint64_t ktime_seg5_min;1496 uint64_t ktime_seg5_max;1497 uint64_t ktime_seg6_total;1498 uint64_t ktime_seg6_min;1499 uint64_t ktime_seg6_max;1500 uint64_t ktime_seg7_total;1501 uint64_t ktime_seg7_min;1502 uint64_t ktime_seg7_max;1503 uint64_t ktime_seg8_total;1504 uint64_t ktime_seg8_min;1505 uint64_t ktime_seg8_max;1506 uint64_t ktime_seg9_total;1507 uint64_t ktime_seg9_min;1508 uint64_t ktime_seg9_max;1509 uint64_t ktime_seg10_total;1510 uint64_t ktime_seg10_min;1511 uint64_t ktime_seg10_max;1512#endif1513 /* CMF objects */1514 struct lpfc_cgn_stat __percpu *cmf_stat;1515 uint32_t cmf_interval_rate; /* timer interval limit in ms */1516 uint32_t cmf_timer_cnt;1517#define LPFC_CMF_INTERVAL 901518 uint64_t cmf_link_byte_count;1519 uint64_t cmf_max_line_rate;1520 uint64_t cmf_max_bytes_per_interval;1521 uint64_t cmf_last_sync_bw;1522#define LPFC_CMF_BLK_SIZE 5121523 struct hrtimer cmf_timer;1524 struct hrtimer cmf_stats_timer; /* 1 minute stats timer */1525 atomic_t cmf_bw_wait;1526 atomic_t cmf_busy;1527 atomic_t cmf_stop_io; /* To block request and stop IO's */1528 uint32_t cmf_active_mode;1529 uint32_t cmf_info_per_interval;1530#define LPFC_MAX_CMF_INFO 321531 struct timespec64 cmf_latency; /* Interval congestion timestamp */1532 uint32_t cmf_last_ts; /* Interval congestion time (ms) */1533 uint32_t cmf_active_info;1534 1535 /* Signal / FPIN handling for Congestion Mgmt */1536 u8 cgn_reg_fpin; /* Negotiated value from RDF */1537 u8 cgn_init_reg_fpin; /* Initial value from READ_CONFIG */1538#define LPFC_CGN_FPIN_NONE 0x01539#define LPFC_CGN_FPIN_WARN 0x11540#define LPFC_CGN_FPIN_ALARM 0x21541#define LPFC_CGN_FPIN_BOTH (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM)1542 1543 u8 cgn_reg_signal; /* Negotiated value from EDC */1544 u8 cgn_init_reg_signal; /* Initial value from READ_CONFIG */1545 /* cgn_reg_signal and cgn_init_reg_signal use1546 * enum fc_edc_cg_signal_cap_types1547 */1548 u16 cgn_fpin_frequency; /* In units of msecs */1549#define LPFC_FPIN_INIT_FREQ 0xffff1550 u32 cgn_sig_freq;1551 u32 cgn_acqe_cnt;1552 1553 /* RX monitor handling for CMF */1554 struct lpfc_rx_info_monitor *rx_monitor;1555 atomic_t rx_max_read_cnt; /* Maximum read bytes */1556 uint64_t rx_block_cnt;1557 1558 /* Congestion parameters from flash */1559 struct lpfc_cgn_param cgn_p;1560 1561 /* Statistics counter for ACQE cgn alarms and warnings */1562 struct lpfc_cgn_acqe_stat cgn_acqe_stat;1563 1564 /* Congestion buffer information */1565 struct lpfc_dmabuf *cgn_i; /* Congestion Info buffer */1566 atomic_t cgn_fabric_warn_cnt; /* Total warning cgn events for info */1567 atomic_t cgn_fabric_alarm_cnt; /* Total alarm cgn events for info */1568 atomic_t cgn_sync_warn_cnt; /* Total warning events for SYNC wqe */1569 atomic_t cgn_sync_alarm_cnt; /* Total alarm events for SYNC wqe */1570 atomic_t cgn_driver_evt_cnt; /* Total driver cgn events for fmw */1571 atomic_t cgn_latency_evt_cnt;1572 atomic64_t cgn_latency_evt; /* Avg latency per minute */1573 unsigned long cgn_evt_timestamp;1574#define LPFC_CGN_TIMER_TO_MIN 60000 /* ms in a minute */1575 uint32_t cgn_evt_minute;1576#define LPFC_SEC_MIN 60UL1577#define LPFC_MIN_HOUR 601578#define LPFC_HOUR_DAY 241579#define LPFC_MIN_DAY (LPFC_MIN_HOUR * LPFC_HOUR_DAY)1580 1581 struct hlist_node cpuhp; /* used for cpuhp per hba callback */1582 struct timer_list cpuhp_poll_timer;1583 struct list_head poll_list; /* slowpath eq polling list */1584#define LPFC_POLL_HB 1 /* slowpath heartbeat */1585 1586 char os_host_name[MAXHOSTNAMELEN];1587 1588 /* LD Signaling */1589 u32 degrade_activate_threshold;1590 u32 degrade_deactivate_threshold;1591 u32 fec_degrade_interval;1592 1593 atomic_t dbg_log_idx;1594 atomic_t dbg_log_cnt;1595 atomic_t dbg_log_dmping;1596 struct dbg_log_ent dbg_log[DBG_LOG_SZ];1597};1598 1599#define LPFC_MAX_RXMONITOR_ENTRY 8001600#define LPFC_MAX_RXMONITOR_DUMP 321601struct rx_info_entry {1602 uint64_t cmf_bytes; /* Total no of read bytes for CMF_SYNC_WQE */1603 uint64_t total_bytes; /* Total no of read bytes requested */1604 uint64_t rcv_bytes; /* Total no of read bytes completed */1605 uint64_t avg_io_size;1606 uint64_t avg_io_latency;/* Average io latency in microseconds */1607 uint64_t max_read_cnt; /* Maximum read bytes */1608 uint64_t max_bytes_per_interval;1609 uint32_t cmf_busy;1610 uint32_t cmf_info; /* CMF_SYNC_WQE info */1611 uint32_t io_cnt;1612 uint32_t timer_utilization;1613 uint32_t timer_interval;1614};1615 1616struct lpfc_rx_info_monitor {1617 struct rx_info_entry *ring; /* info organized in a circular buffer */1618 u32 head_idx, tail_idx; /* index to head/tail of ring */1619 spinlock_t lock; /* spinlock for ring */1620 u32 entries; /* storing number entries/size of ring */1621};1622 1623static inline struct Scsi_Host *1624lpfc_shost_from_vport(struct lpfc_vport *vport)1625{1626 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);1627}1628 1629static inline void1630lpfc_set_loopback_flag(struct lpfc_hba *phba)1631{1632 if (phba->cfg_topology == FLAGS_LOCAL_LB)1633 phba->link_flag |= LS_LOOPBACK_MODE;1634 else1635 phba->link_flag &= ~LS_LOOPBACK_MODE;1636}1637 1638static inline int1639lpfc_is_link_up(struct lpfc_hba *phba)1640{1641 return phba->link_state == LPFC_LINK_UP ||1642 phba->link_state == LPFC_CLEAR_LA ||1643 phba->link_state == LPFC_HBA_READY;1644}1645 1646static inline void1647lpfc_worker_wake_up(struct lpfc_hba *phba)1648{1649 /* Set the lpfc data pending flag */1650 set_bit(LPFC_DATA_READY, &phba->data_flags);1651 1652 /* Wake up worker thread */1653 wake_up(&phba->work_waitq);1654 return;1655}1656 1657static inline int1658lpfc_readl(void __iomem *addr, uint32_t *data)1659{1660 uint32_t temp;1661 temp = readl(addr);1662 if (temp == 0xffffffff)1663 return -EIO;1664 *data = temp;1665 return 0;1666}1667 1668static inline int1669lpfc_sli_read_hs(struct lpfc_hba *phba)1670{1671 /*1672 * There was a link/board error. Read the status register to retrieve1673 * the error event and process it.1674 */1675 phba->sli.slistat.err_attn_event++;1676 1677 /* Save status info and check for unplug error */1678 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||1679 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||1680 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {1681 return -EIO;1682 }1683 1684 /* Clear chip Host Attention error bit */1685 writel(HA_ERATT, phba->HAregaddr);1686 readl(phba->HAregaddr); /* flush */1687 phba->pport->stopped = 1;1688 1689 return 0;1690}1691 1692static inline struct lpfc_sli_ring *1693lpfc_phba_elsring(struct lpfc_hba *phba)1694{1695 /* Return NULL if sli_rev has become invalid due to bad fw */1696 if (phba->sli_rev != LPFC_SLI_REV4 &&1697 phba->sli_rev != LPFC_SLI_REV3 &&1698 phba->sli_rev != LPFC_SLI_REV2)1699 return NULL;1700 1701 if (phba->sli_rev == LPFC_SLI_REV4) {1702 if (phba->sli4_hba.els_wq)1703 return phba->sli4_hba.els_wq->pring;1704 else1705 return NULL;1706 }1707 return &phba->sli.sli3_ring[LPFC_ELS_RING];1708}1709 1710/**1711 * lpfc_next_online_cpu - Finds next online CPU on cpumask1712 * @mask: Pointer to phba's cpumask member.1713 * @start: starting cpu index1714 *1715 * Note: If no valid cpu found, then nr_cpu_ids is returned.1716 *1717 **/1718static inline unsigned int1719lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start)1720{1721 unsigned int cpu_it;1722 1723 for_each_cpu_wrap(cpu_it, mask, start) {1724 if (cpu_online(cpu_it))1725 break;1726 }1727 1728 return cpu_it;1729}1730/**1731 * lpfc_next_present_cpu - Finds next present CPU after n1732 * @n: the cpu prior to search1733 *1734 * Note: If no next present cpu, then fallback to first present cpu.1735 *1736 **/1737static inline unsigned int lpfc_next_present_cpu(int n)1738{1739 unsigned int cpu;1740 1741 cpu = cpumask_next(n, cpu_present_mask);1742 1743 if (cpu >= nr_cpu_ids)1744 cpu = cpumask_first(cpu_present_mask);1745 1746 return cpu;1747}1748 1749/**1750 * lpfc_sli4_mod_hba_eq_delay - update EQ delay1751 * @phba: Pointer to HBA context object.1752 * @q: The Event Queue to update.1753 * @delay: The delay value (in us) to be written.1754 *1755 **/1756static inline void1757lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,1758 u32 delay)1759{1760 struct lpfc_register reg_data;1761 1762 reg_data.word0 = 0;1763 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id);1764 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay);1765 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);1766 eq->q_mode = delay;1767}1768 1769 1770/*1771 * Macro that declares tables and a routine to perform enum type to1772 * ascii string lookup.1773 *1774 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for1775 * the enum to populate the table. Macro defines a routine (named1776 * by caller) that will search all elements of the table for the key1777 * and return the name string if found or "Unrecognized" if not found.1778 */1779#define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \1780static struct { \1781 enum enum_name value; \1782 char *name; \1783} fc_##enum_name##_e2str_names[] = enum_init; \1784static const char *routine(enum enum_name table_key) \1785{ \1786 int i; \1787 char *name = "Unrecognized"; \1788 \1789 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\1790 if (fc_##enum_name##_e2str_names[i].value == table_key) {\1791 name = fc_##enum_name##_e2str_names[i].name; \1792 break; \1793 } \1794 } \1795 return name; \1796}1797 1798/**1799 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types1800 * @phba: Pointer to HBA context object.1801 *1802 * Relationship between the enable, target support and if vmid tag is required1803 * for the particular combination1804 * ---------------------------------------------------1805 * Switch Enable Flag Target Support VMID Needed1806 * ---------------------------------------------------1807 * App Id 0 NA N1808 * App Id 1 0 N1809 * App Id 1 1 Y1810 * Pr Tag 0 NA N1811 * Pr Tag 1 0 N1812 * Pr Tag 1 1 Y1813 * Pr Tag 2 * Y1814 ---------------------------------------------------1815 *1816 **/1817static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)1818{1819 return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;1820}1821 1822static inline1823u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)1824{1825 if (phba->sli_rev == LPFC_SLI_REV4)1826 return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl);1827 else1828 return iocbq->iocb.ulpStatus;1829}1830 1831static inline1832u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)1833{1834 if (phba->sli_rev == LPFC_SLI_REV4)1835 return iocbq->wcqe_cmpl.parameter;1836 else1837 return iocbq->iocb.un.ulpWord[4];1838}1839 1840static inline1841u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)1842{1843 if (phba->sli_rev == LPFC_SLI_REV4)1844 return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com);1845 else1846 return iocbq->iocb.ulpCommand;1847}1848 1849static inline1850u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)1851{1852 if (phba->sli_rev == LPFC_SLI_REV4)1853 return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com);1854 else1855 return iocbq->iocb.ulpContext;1856}1857 1858static inline1859u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)1860{1861 if (phba->sli_rev == LPFC_SLI_REV4)1862 return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com);1863 else1864 return iocbq->iocb.unsli3.rcvsli3.ox_id;1865}1866 1867static inline1868u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)1869{1870 if (phba->sli_rev == LPFC_SLI_REV4)1871 return iocbq->wcqe_cmpl.total_data_placed;1872 else1873 return iocbq->iocb.un.genreq64.bdl.bdeSize;1874}1875 1876static inline1877u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)1878{1879 if (phba->sli_rev == LPFC_SLI_REV4)1880 return iocbq->wqe.abort_cmd.wqe_com.abort_tag;1881 else1882 return iocbq->iocb.un.acxri.abortIoTag;1883}1884 1885static inline1886u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)1887{1888 if (phba->sli_rev == LPFC_SLI_REV4)1889 return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest);1890 else1891 return iocbq->iocb.un.elsreq64.remoteID;1892}1893