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_FS 31 #endif 32 33 struct lpfc_sli2_slim; 34 35 #define ELX_MODEL_NAME_SIZE 80 36 #define ELX_FW_NAME_SIZE 84 37 38 #define LPFC_PCI_DEV_LP 0x1 39 #define LPFC_PCI_DEV_OC 0x2 40 41 #define LPFC_SLI_REV2 2 42 #define LPFC_SLI_REV3 3 43 #define LPFC_SLI_REV4 4 44 45 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */ 46 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els 47 requests */ 48 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact 49 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 256 54 #define LPFC_MAX_SG_TABLESIZE 0xffff 55 #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 10 70 #define LPFC_MAX_TGT_QDEPTH 0xFFFF 71 72 /* 73 * Following time intervals are used of adjusting SCSI device 74 * queue depths when there are driver resource error or Firmware 75 * resource error. 76 */ 77 #define QUEUE_RAMP_DOWN_INTERVAL (secs_to_jiffies(1)) 78 79 /* Number of exchanges reserved for discovery to complete */ 80 #define LPFC_DISC_IOCB_BUFF_COUNT 20 81 82 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ 83 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ 84 85 /* Error Attention event polling interval */ 86 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */ 87 88 /* Define macros for 64 bit support */ 89 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) 90 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) 91 #define getPaddr(high, low) ((dma_addr_t)( \ 92 (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) 93 /* Provide maximum configuration definitions. */ 94 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ 95 #define FC_MAX_ADPTMSG 64 96 97 #define MAX_HBAEVT 32 98 #define MAX_HBAS_NO_RESET 16 99 100 /* Number of MSI-X vectors the driver uses */ 101 #define LPFC_MSIX_VECTORS 2 102 103 /* lpfc wait event data ready flag */ 104 #define LPFC_DATA_READY 0 /* bit 0 */ 105 106 /* queue dump line buffer size */ 107 #define LPFC_LBUF_SZ 128 108 109 /* mailbox system shutdown options */ 110 #define LPFC_MBX_NO_WAIT 0 111 #define LPFC_MBX_WAIT 1 112 113 #define LPFC_CFG_PARAM_MAGIC_NUM 0xFEAA0005 114 #define LPFC_PORT_CFG_NAME "/cfg/port.cfg" 115 116 #define lpfc_rangecheck(val, min, max) \ 117 ((uint)(val) >= (uint)(min) && (val) <= (max)) 118 119 enum lpfc_polling_flags { 120 ENABLE_FCP_RING_POLLING = 0x1, 121 DISABLE_FCP_RING_INT = 0x2 122 }; 123 124 struct perf_prof { 125 uint16_t cmd_cpu[40]; 126 uint16_t rsp_cpu[40]; 127 uint16_t qh_cpu[40]; 128 uint16_t wqidx[40]; 129 }; 130 131 /* 132 * Provide for FC4 TYPE x28 - NVME. The 133 * bit mask for FCP and NVME is 0x8 identically 134 * because they are 32 bit positions distance. 135 */ 136 #define LPFC_FC4_TYPE_BITMASK 0x00000100 137 138 /* Provide DMA memory definitions the driver uses per port instance. */ 139 struct lpfc_dmabuf { 140 struct list_head list; 141 void *virt; /* virtual address ptr */ 142 dma_addr_t phys; /* mapped address */ 143 uint32_t buffer_tag; /* used for tagged queue ring */ 144 }; 145 146 struct lpfc_nvmet_ctxbuf { 147 struct list_head list; 148 struct lpfc_async_xchg_ctx *context; 149 struct lpfc_iocbq *iocbq; 150 struct lpfc_sglq *sglq; 151 struct work_struct defer_work; 152 }; 153 154 struct lpfc_dma_pool { 155 struct lpfc_dmabuf *elements; 156 uint32_t max_count; 157 uint32_t current_count; 158 }; 159 160 struct hbq_dmabuf { 161 struct lpfc_dmabuf hbuf; 162 struct lpfc_dmabuf dbuf; 163 uint16_t total_size; 164 uint16_t bytes_recv; 165 uint32_t tag; 166 struct lpfc_cq_event cq_event; 167 unsigned long time_stamp; 168 void *context; 169 }; 170 171 struct rqb_dmabuf { 172 struct lpfc_dmabuf hbuf; 173 struct lpfc_dmabuf dbuf; 174 uint16_t total_size; 175 uint16_t bytes_recv; 176 uint16_t idx; 177 struct lpfc_queue *hrq; /* ptr to associated Header RQ */ 178 struct lpfc_queue *drq; /* ptr to associated Data RQ */ 179 }; 180 181 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ 182 #define MEM_PRI 0x100 183 184 185 /****************************************************************************/ 186 /* Device VPD save area */ 187 /****************************************************************************/ 188 typedef struct lpfc_vpd { 189 uint32_t status; /* vpd status value */ 190 uint32_t length; /* number of bytes actually returned */ 191 struct { 192 uint32_t rsvd1; /* Revision numbers */ 193 uint32_t biuRev; 194 uint32_t smRev; 195 uint32_t smFwRev; 196 uint32_t endecRev; 197 uint16_t rBit; 198 uint8_t fcphHigh; 199 uint8_t fcphLow; 200 uint8_t feaLevelHigh; 201 uint8_t feaLevelLow; 202 uint32_t postKernRev; 203 uint32_t opFwRev; 204 uint8_t opFwName[16]; 205 uint32_t sli1FwRev; 206 uint8_t sli1FwName[16]; 207 uint32_t sli2FwRev; 208 uint8_t sli2FwName[16]; 209 } rev; 210 struct { 211 #ifdef __BIG_ENDIAN_BITFIELD 212 uint32_t rsvd3 :20; /* Reserved */ 213 uint32_t rsvd2 : 3; /* Reserved */ 214 uint32_t cbg : 1; /* Configure BlockGuard */ 215 uint32_t cmv : 1; /* Configure Max VPIs */ 216 uint32_t ccrp : 1; /* Config Command Ring Polling */ 217 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 218 uint32_t chbs : 1; /* Cofigure Host Backing store */ 219 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 220 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 221 uint32_t cmx : 1; /* Configure Max XRIs */ 222 uint32_t cmr : 1; /* Configure Max RPIs */ 223 #else /* __LITTLE_ENDIAN */ 224 uint32_t cmr : 1; /* Configure Max RPIs */ 225 uint32_t cmx : 1; /* Configure Max XRIs */ 226 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 227 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 228 uint32_t chbs : 1; /* Cofigure Host Backing store */ 229 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 230 uint32_t ccrp : 1; /* Config Command Ring Polling */ 231 uint32_t cmv : 1; /* Configure Max VPIs */ 232 uint32_t cbg : 1; /* Configure BlockGuard */ 233 uint32_t rsvd2 : 3; /* Reserved */ 234 uint32_t rsvd3 :20; /* Reserved */ 235 #endif 236 } sli3Feat; 237 } lpfc_vpd_t; 238 239 240 /* 241 * lpfc stat counters 242 */ 243 struct lpfc_stats { 244 /* Statistics for ELS commands */ 245 uint32_t elsLogiCol; 246 uint32_t elsRetryExceeded; 247 uint32_t elsXmitRetry; 248 uint32_t elsDelayRetry; 249 uint32_t elsRcvDrop; 250 uint32_t elsRcvFrame; 251 uint32_t elsRcvRSCN; 252 uint32_t elsRcvRNID; 253 uint32_t elsRcvFARP; 254 uint32_t elsRcvFARPR; 255 uint32_t elsRcvFLOGI; 256 uint32_t elsRcvPLOGI; 257 uint32_t elsRcvADISC; 258 uint32_t elsRcvPDISC; 259 uint32_t elsRcvFAN; 260 uint32_t elsRcvLOGO; 261 uint32_t elsRcvPRLO; 262 uint32_t elsRcvPRLI; 263 uint32_t elsRcvLIRR; 264 uint32_t elsRcvRLS; 265 uint32_t elsRcvRPL; 266 uint32_t elsRcvRRQ; 267 uint32_t elsRcvRTV; 268 uint32_t elsRcvECHO; 269 uint32_t elsRcvLCB; 270 uint32_t elsRcvRDP; 271 uint32_t elsRcvRDF; 272 uint32_t elsXmitFLOGI; 273 uint32_t elsXmitFDISC; 274 uint32_t elsXmitPLOGI; 275 uint32_t elsXmitPRLI; 276 uint32_t elsXmitADISC; 277 uint32_t elsXmitLOGO; 278 uint32_t elsXmitSCR; 279 uint32_t elsXmitRSCN; 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 }; 305 306 struct lpfc_hba; 307 308 /* Data structure to keep withheld FLOGI_ACC information */ 309 struct lpfc_defer_flogi_acc { 310 bool flag; 311 u16 rx_id; 312 u16 ox_id; 313 struct lpfc_nodelist *ndlp; 314 315 }; 316 317 #define LPFC_VMID_TIMER 300 /* timer interval in seconds */ 318 319 #define LPFC_MAX_VMID_SIZE 256 320 321 union lpfc_vmid_io_tag { 322 u32 app_id; /* App Id vmid */ 323 u8 cs_ctl_vmid; /* Priority tag vmid */ 324 }; 325 326 #define JIFFIES_PER_HR (HZ * 60 * 60) 327 328 struct lpfc_vmid { 329 u8 flag; 330 #define LPFC_VMID_SLOT_FREE 0x0 331 #define LPFC_VMID_SLOT_USED 0x1 332 #define LPFC_VMID_REQ_REGISTER 0x2 333 #define LPFC_VMID_REGISTERED 0x4 334 #define LPFC_VMID_DE_REGISTER 0x8 335 char host_vmid[LPFC_MAX_VMID_SIZE]; 336 union lpfc_vmid_io_tag un; 337 struct hlist_node hnode; 338 u64 io_rd_cnt; 339 u64 io_wr_cnt; 340 u8 vmid_len; 341 u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */ 342 u32 hash_index; 343 u64 __percpu *last_io_time; 344 }; 345 346 #define lpfc_vmid_is_type_priority_tag(vport)\ 347 (vport->vmid_priority_tagging ? 1 : 0) 348 349 #define LPFC_VMID_HASH_SIZE 256 350 #define LPFC_VMID_HASH_MASK 255 351 #define LPFC_VMID_HASH_SHIFT 6 352 353 struct lpfc_vmid_context { 354 struct lpfc_vmid *vmp; 355 struct lpfc_nodelist *nlp; 356 bool instantiated; 357 }; 358 359 struct lpfc_vmid_priority_range { 360 u8 low; 361 u8 high; 362 u8 qos; 363 }; 364 365 struct lpfc_vmid_priority_info { 366 u32 num_descriptors; 367 struct lpfc_vmid_priority_range *vmid_range; 368 }; 369 370 #define QFPA_EVEN_ONLY 0x01 371 #define QFPA_ODD_ONLY 0x02 372 #define QFPA_EVEN_ODD 0x03 373 374 enum discovery_state { 375 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ 376 LPFC_VPORT_FAILED = 1, /* vport has failed */ 377 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ 378 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ 379 LPFC_FDISC = 8, /* FDISC sent for vport */ 380 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id 381 * configured */ 382 LPFC_NS_REG = 10, /* Register with NameServer */ 383 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ 384 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for 385 * device authentication / discovery */ 386 LPFC_DISC_AUTH = 13, /* Processing ADISC list */ 387 LPFC_VPORT_READY = 32, 388 }; 389 390 enum hba_state { 391 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ 392 LPFC_WARM_START = 1, /* HBA state after selective reset */ 393 LPFC_INIT_START = 2, /* Initial state after board reset */ 394 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ 395 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ 396 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ 397 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue 398 * CLEAR_LA */ 399 LPFC_HBA_READY = 32, 400 LPFC_HBA_ERROR = -1 401 }; 402 403 enum lpfc_hba_flag { /* hba generic flags */ 404 HBA_ERATT_HANDLED = 0, /* This flag is set when eratt handled */ 405 DEFER_ERATT = 1, /* Deferred error attn in progress */ 406 HBA_FCOE_MODE = 2, /* HBA function in FCoE Mode */ 407 HBA_SP_QUEUE_EVT = 3, /* Slow-path qevt posted to worker thread*/ 408 HBA_POST_RECEIVE_BUFFER = 4, /* Rcv buffers need to be posted */ 409 HBA_PERSISTENT_TOPO = 5, /* Persistent topology support in hba */ 410 ELS_XRI_ABORT_EVENT = 6, /* ELS_XRI abort event was queued */ 411 ASYNC_EVENT = 7, 412 LINK_DISABLED = 8, /* Link disabled by user */ 413 FCF_TS_INPROG = 9, /* FCF table scan in progress */ 414 FCF_RR_INPROG = 10, /* FCF roundrobin flogi in progress */ 415 HBA_FIP_SUPPORT = 11, /* FIP support in HBA */ 416 HBA_DEVLOSS_TMO = 13, /* HBA in devloss timeout */ 417 HBA_RRQ_ACTIVE = 14, /* process the rrq active list */ 418 HBA_IOQ_FLUSH = 15, /* I/O queues being flushed */ 419 HBA_RECOVERABLE_UE = 17, /* FW supports recoverable UE */ 420 HBA_FORCED_LINK_SPEED = 18, /* 421 * Firmware supports Forced Link 422 * Speed capability 423 */ 424 HBA_FLOGI_ISSUED = 20, /* FLOGI was issued */ 425 HBA_DEFER_FLOGI = 23, /* Defer FLOGI till read_sparm cmpl */ 426 HBA_SETUP = 24, /* HBA setup completed */ 427 HBA_NEEDS_CFG_PORT = 25, /* SLI3: CONFIG_PORT mbox needed */ 428 HBA_HBEAT_INP = 26, /* mbox HBEAT is in progress */ 429 HBA_HBEAT_TMO = 27, /* HBEAT initiated after timeout */ 430 HBA_FLOGI_OUTSTANDING = 28, /* FLOGI is outstanding */ 431 HBA_RHBA_CMPL = 29, /* RHBA FDMI cmd is successful */ 432 }; 433 434 struct lpfc_trunk_link_state { 435 enum hba_state state; 436 uint8_t fault; 437 }; 438 439 struct lpfc_trunk_link { 440 struct lpfc_trunk_link_state link0, 441 link1, 442 link2, 443 link3; 444 u32 phy_lnk_speed; 445 }; 446 447 /* Format of congestion module parameters */ 448 struct lpfc_cgn_param { 449 uint32_t cgn_param_magic; 450 uint8_t cgn_param_version; /* version 1 */ 451 uint8_t cgn_param_mode; /* 0=off 1=managed 2=monitor only */ 452 #define LPFC_CFG_OFF 0 453 #define LPFC_CFG_MANAGED 1 454 #define LPFC_CFG_MONITOR 2 455 uint8_t cgn_rsvd1; 456 uint8_t cgn_rsvd2; 457 uint8_t cgn_param_level0; 458 uint8_t cgn_param_level1; 459 uint8_t cgn_param_level2; 460 uint8_t byte11; 461 uint8_t byte12; 462 uint8_t byte13; 463 uint8_t byte14; 464 uint8_t byte15; 465 }; 466 467 /* Max number of days of congestion data */ 468 #define LPFC_MAX_CGN_DAYS 10 469 470 struct lpfc_cgn_ts { 471 uint8_t month; 472 uint8_t day; 473 uint8_t year; 474 uint8_t hour; 475 uint8_t minute; 476 uint8_t second; 477 }; 478 479 /* Format of congestion buffer info 480 * This structure defines memory thats allocated and registered with 481 * the HBA firmware. When adding or removing fields from this structure 482 * the alignment must match the HBA firmware. 483 */ 484 485 struct lpfc_cgn_info { 486 /* Header */ 487 __le16 cgn_info_size; /* is sizeof(struct lpfc_cgn_info) */ 488 uint8_t cgn_info_version; /* represents format of structure */ 489 #define LPFC_CGN_INFO_V1 1 490 #define LPFC_CGN_INFO_V2 2 491 #define LPFC_CGN_INFO_V3 3 492 #define LPFC_CGN_INFO_V4 4 493 uint8_t cgn_info_mode; /* 0=off 1=managed 2=monitor only */ 494 uint8_t cgn_info_detect; 495 uint8_t cgn_info_action; 496 uint8_t cgn_info_level0; 497 uint8_t cgn_info_level1; 498 uint8_t cgn_info_level2; 499 500 /* Start Time */ 501 struct lpfc_cgn_ts base_time; 502 503 /* minute / hours / daily indices */ 504 uint8_t cgn_index_minute; 505 uint8_t cgn_index_hour; 506 uint8_t cgn_index_day; 507 508 __le16 cgn_warn_freq; 509 __le16 cgn_alarm_freq; 510 __le16 cgn_lunq; 511 uint8_t cgn_pad1[8]; 512 513 /* Driver Information */ 514 __le16 cgn_drvr_min[60]; 515 __le32 cgn_drvr_hr[24]; 516 __le32 cgn_drvr_day[LPFC_MAX_CGN_DAYS]; 517 518 /* Congestion Warnings */ 519 __le16 cgn_warn_min[60]; 520 __le32 cgn_warn_hr[24]; 521 __le32 cgn_warn_day[LPFC_MAX_CGN_DAYS]; 522 523 /* Latency Information */ 524 __le32 cgn_latency_min[60]; 525 __le32 cgn_latency_hr[24]; 526 __le32 cgn_latency_day[LPFC_MAX_CGN_DAYS]; 527 528 /* Bandwidth Information */ 529 __le16 cgn_bw_min[60]; 530 __le16 cgn_bw_hr[24]; 531 __le16 cgn_bw_day[LPFC_MAX_CGN_DAYS]; 532 533 /* Congestion Alarms */ 534 __le16 cgn_alarm_min[60]; 535 __le32 cgn_alarm_hr[24]; 536 __le32 cgn_alarm_day[LPFC_MAX_CGN_DAYS]; 537 538 struct_group(cgn_stat, 539 uint8_t cgn_stat_npm; /* Notifications per minute */ 540 541 /* Start Time */ 542 struct lpfc_cgn_ts stat_start; /* Base time */ 543 uint8_t cgn_pad2; 544 545 __le32 cgn_notification; 546 __le32 cgn_peer_notification; 547 __le32 link_integ_notification; 548 __le32 delivery_notification; 549 struct lpfc_cgn_ts stat_fpin; /* Last congestion notification FPIN */ 550 struct lpfc_cgn_ts stat_peer; /* Last peer congestion FPIN */ 551 struct lpfc_cgn_ts stat_lnk; /* Last link integrity FPIN */ 552 struct lpfc_cgn_ts stat_delivery; /* Last delivery notification FPIN */ 553 ); 554 555 __le32 cgn_info_crc; 556 #define LPFC_CGN_CRC32_MAGIC_NUMBER 0x1EDC6F41 557 #define LPFC_CGN_CRC32_SEED 0xFFFFFFFF 558 }; 559 560 #define LPFC_CGN_INFO_SZ (sizeof(struct lpfc_cgn_info) - \ 561 sizeof(uint32_t)) 562 563 struct lpfc_cgn_stat { 564 atomic64_t total_bytes; 565 atomic64_t rcv_bytes; 566 atomic64_t rx_latency; 567 #define LPFC_CGN_NOT_SENT 0xFFFFFFFFFFFFFFFFLL 568 atomic_t rx_io_cnt; 569 }; 570 571 struct lpfc_cgn_acqe_stat { 572 atomic64_t alarm; 573 atomic64_t warn; 574 }; 575 576 enum lpfc_fc_flag { 577 /* Several of these flags are HBA centric and should be moved to 578 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) 579 */ 580 FC_PT2PT, /* pt2pt with no fabric */ 581 FC_PT2PT_PLOGI, /* pt2pt initiate PLOGI */ 582 FC_DISC_TMO, /* Discovery timer running */ 583 FC_PUBLIC_LOOP, /* Public loop */ 584 FC_LBIT, /* LOGIN bit in loopinit set */ 585 FC_RSCN_MODE, /* RSCN cmd rcv'ed */ 586 FC_NLP_MORE, /* More node to process in node tbl */ 587 FC_OFFLINE_MODE, /* Interface is offline for diag */ 588 FC_FABRIC, /* We are fabric attached */ 589 FC_VPORT_LOGO_RCVD, /* LOGO received on vport */ 590 FC_RSCN_DISCOVERY, /* Auth all devices after RSCN */ 591 FC_LOGO_RCVD_DID_CHNG, /* FDISC on phys port detect DID chng */ 592 FC_PT2PT_NO_NVME, /* Don't send NVME PRLI */ 593 FC_SCSI_SCAN_TMO, /* scsi scan timer running */ 594 FC_ABORT_DISCOVERY, /* we want to abort discovery */ 595 FC_NDISC_ACTIVE, /* NPort discovery active */ 596 FC_BYPASSED_MODE, /* NPort is in bypassed mode */ 597 FC_VPORT_NEEDS_REG_VPI, /* Needs to have its vpi registered */ 598 FC_RSCN_DEFERRED, /* A deferred RSCN being processed */ 599 FC_VPORT_NEEDS_INIT_VPI, /* Need to INIT_VPI before FDISC */ 600 FC_VPORT_CVL_RCVD, /* VLink failed due to CVL */ 601 FC_VFI_REGISTERED, /* VFI is registered */ 602 FC_FDISC_COMPLETED, /* FDISC completed */ 603 FC_DISC_DELAYED, /* Delay NPort discovery */ 604 }; 605 606 enum lpfc_load_flag { 607 FC_LOADING, /* HBA in process of loading drvr */ 608 FC_UNLOADING, /* HBA in process of unloading drvr */ 609 FC_ALLOW_FDMI, /* port is ready for FDMI requests */ 610 FC_ALLOW_VMID, /* Allow VMID I/Os */ 611 FC_DEREGISTER_ALL_APP_ID /* Deregister all VMIDs */ 612 }; 613 614 struct lpfc_vport { 615 struct lpfc_hba *phba; 616 struct list_head listentry; 617 uint8_t port_type; 618 #define LPFC_PHYSICAL_PORT 1 619 #define LPFC_NPIV_PORT 2 620 #define LPFC_FABRIC_PORT 3 621 enum discovery_state port_state; 622 623 uint16_t vpi; 624 uint16_t vfi; 625 uint8_t vpi_state; 626 #define LPFC_VPI_REGISTERED 0x1 627 628 unsigned long fc_flag; /* FC flags */ 629 630 uint32_t ct_flags; 631 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ 632 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ 633 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ 634 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ 635 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ 636 #define FC_CT_RPRT_DEFER 0x20 /* Defer issuing FDMI RPRT */ 637 638 struct list_head fc_nodes; 639 spinlock_t fc_nodes_list_lock; /* spinlock for fc_nodes list */ 640 641 /* Keep counters for the number of entries in each list. */ 642 atomic_t fc_plogi_cnt; 643 atomic_t fc_adisc_cnt; 644 atomic_t fc_reglogin_cnt; 645 atomic_t fc_prli_cnt; 646 atomic_t fc_unmap_cnt; 647 atomic_t fc_map_cnt; 648 atomic_t fc_npr_cnt; 649 atomic_t fc_unused_cnt; 650 651 struct serv_parm fc_sparam; /* buffer for our service parameters */ 652 653 uint32_t fc_myDID; /* fibre channel S_ID */ 654 uint32_t fc_prevDID; /* previous fibre channel S_ID */ 655 struct lpfc_name fabric_portname; 656 struct lpfc_name fabric_nodename; 657 658 int32_t stopped; /* HBA has not been restarted since last ERATT */ 659 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 660 661 uint32_t num_disc_nodes; /* in addition to hba_state */ 662 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */ 663 664 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ 665 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ 666 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ 667 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 668 struct lpfc_name fc_nodename; /* fc nodename */ 669 struct lpfc_name fc_portname; /* fc portname */ 670 671 struct lpfc_work_evt disc_timeout_evt; 672 673 struct timer_list fc_disctmo; /* Discovery rescue timer */ 674 uint8_t fc_ns_retry; /* retries for fabric nameserver */ 675 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ 676 677 spinlock_t work_port_lock; 678 uint32_t work_port_events; /* Timeout to be handled */ 679 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ 680 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ 681 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */ 682 683 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ 684 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ 685 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ 686 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ 687 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ 688 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */ 689 #define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */ 690 #define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs 691 * to be issued */ 692 693 struct timer_list els_tmofunc; 694 struct timer_list delayed_disc_tmo; 695 696 unsigned long load_flag; 697 /* Vport Config Parameters */ 698 uint32_t cfg_scan_down; 699 uint32_t cfg_lun_queue_depth; 700 uint32_t cfg_nodev_tmo; 701 uint32_t cfg_devloss_tmo; 702 uint32_t cfg_restrict_login; 703 uint32_t cfg_peer_port_login; 704 uint32_t cfg_fcp_class; 705 uint32_t cfg_use_adisc; 706 uint32_t cfg_discovery_threads; 707 uint32_t cfg_log_verbose; 708 uint32_t cfg_enable_fc4_type; 709 uint32_t cfg_max_luns; 710 uint32_t cfg_enable_da_id; 711 uint32_t cfg_max_scsicmpl_time; 712 uint32_t cfg_tgt_queue_depth; 713 uint32_t cfg_first_burst_size; 714 uint32_t dev_loss_tmo_changed; 715 /* VMID parameters */ 716 u8 lpfc_vmid_host_uuid[16]; 717 u32 max_vmid; /* maximum VMIDs allowed per port */ 718 u32 cur_vmid_cnt; /* Current VMID count */ 719 #define LPFC_MIN_VMID 4 720 #define LPFC_MAX_VMID 255 721 u32 vmid_inactivity_timeout; /* Time after which the VMID */ 722 /* deregisters from switch */ 723 u32 vmid_priority_tagging; 724 #define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */ 725 #define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */ 726 #define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */ 727 unsigned long *vmid_priority_range; 728 #define LPFC_VMID_MAX_PRIORITY_RANGE 256 729 #define LPFC_VMID_PRIORITY_BITMAP_SIZE 32 730 u8 vmid_flag; 731 #define LPFC_VMID_IN_USE 0x1 732 #define LPFC_VMID_ISSUE_QFPA 0x2 733 #define LPFC_VMID_QFPA_CMPL 0x4 734 #define LPFC_VMID_QOS_ENABLED 0x8 735 #define LPFC_VMID_TIMER_ENBLD 0x10 736 #define LPFC_VMID_TYPE_PRIO 0x20 737 struct fc_qfpa_res *qfpa_res; 738 739 struct fc_vport *fc_vport; 740 741 struct lpfc_vmid *vmid; 742 DECLARE_HASHTABLE(hash_table, 8); 743 rwlock_t vmid_lock; 744 struct lpfc_vmid_priority_info vmid_priority; 745 746 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 747 struct dentry *debug_disc_trc; 748 struct dentry *debug_nodelist; 749 struct dentry *debug_nvmestat; 750 struct dentry *debug_scsistat; 751 struct dentry *debug_ioktime; 752 struct dentry *debug_hdwqstat; 753 struct dentry *vport_debugfs_root; 754 struct lpfc_debugfs_trc *disc_trc; 755 atomic_t disc_trc_cnt; 756 #endif 757 struct list_head rcv_buffer_list; 758 unsigned long rcv_buffer_time_stamp; 759 uint32_t vport_flag; 760 #define STATIC_VPORT 0x1 761 #define FAWWPN_PARAM_CHG 0x2 762 763 uint16_t fdmi_num_disc; 764 uint32_t fdmi_hba_mask; 765 uint32_t fdmi_port_mask; 766 767 /* There is a single nvme instance per vport. */ 768 struct nvme_fc_local_port *localport; 769 uint8_t nvmei_support; /* driver supports NVME Initiator */ 770 uint32_t last_fcp_wqidx; 771 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */ 772 }; 773 774 struct hbq_s { 775 uint16_t entry_count; /* Current number of HBQ slots */ 776 uint16_t buffer_count; /* Current number of buffers posted */ 777 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ 778 uint32_t hbqPutIdx; /* HBQ slot to use */ 779 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ 780 void *hbq_virt; /* Virtual ptr to this hbq */ 781 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ 782 /* Callback for HBQ buffer allocation */ 783 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); 784 /* Callback for HBQ buffer free */ 785 void (*hbq_free_buffer) (struct lpfc_hba *, 786 struct hbq_dmabuf *); 787 }; 788 789 /* this matches the position in the lpfc_hbq_defs array */ 790 #define LPFC_ELS_HBQ 0 791 #define LPFC_MAX_HBQS 1 792 793 enum hba_temp_state { 794 HBA_NORMAL_TEMP, 795 HBA_OVER_TEMP 796 }; 797 798 enum intr_type_t { 799 NONE = 0, 800 INTx, 801 MSI, 802 MSIX, 803 }; 804 805 #define LPFC_CT_CTX_MAX 64 806 struct unsol_rcv_ct_ctx { 807 uint32_t ctxt_id; 808 uint32_t SID; 809 uint32_t valid; 810 #define UNSOL_INVALID 0 811 #define UNSOL_VALID 1 812 uint16_t oxid; 813 uint16_t rxid; 814 }; 815 816 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/ 817 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */ 818 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */ 819 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */ 820 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */ 821 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */ 822 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */ 823 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */ 824 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */ 825 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G 826 827 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64" 828 829 enum nemb_type { 830 nemb_mse = 1, 831 nemb_hbd 832 }; 833 834 enum mbox_type { 835 mbox_rd = 1, 836 mbox_wr 837 }; 838 839 enum dma_type { 840 dma_mbox = 1, 841 dma_ebuf 842 }; 843 844 enum sta_type { 845 sta_pre_addr = 1, 846 sta_pos_addr 847 }; 848 849 struct lpfc_mbox_ext_buf_ctx { 850 uint32_t state; 851 #define LPFC_BSG_MBOX_IDLE 0 852 #define LPFC_BSG_MBOX_HOST 1 853 #define LPFC_BSG_MBOX_PORT 2 854 #define LPFC_BSG_MBOX_DONE 3 855 #define LPFC_BSG_MBOX_ABTS 4 856 enum nemb_type nembType; 857 enum mbox_type mboxType; 858 uint32_t numBuf; 859 uint32_t mbxTag; 860 uint32_t seqNum; 861 struct lpfc_dmabuf *mbx_dmabuf; 862 struct list_head ext_dmabuf_list; 863 }; 864 865 struct lpfc_epd_pool { 866 /* Expedite pool */ 867 struct list_head list; 868 u32 count; 869 spinlock_t lock; /* lock for expedite pool */ 870 }; 871 872 enum ras_state { 873 INACTIVE, 874 REG_INPROGRESS, 875 ACTIVE 876 }; 877 878 struct lpfc_ras_fwlog { 879 uint8_t *fwlog_buff; 880 uint32_t fw_buffcount; /* Buffer size posted to FW */ 881 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */ 882 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024) 883 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024) 884 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024) 885 uint32_t fw_loglevel; /* Log level set */ 886 struct lpfc_dmabuf lwpd; 887 struct list_head fwlog_buff_list; 888 889 /* RAS support status on adapter */ 890 bool ras_hwsupport; /* RAS Support available on HW or not */ 891 bool ras_enabled; /* Ras Enabled for the function */ 892 #define LPFC_RAS_DISABLE_LOGGING 0x00 893 #define LPFC_RAS_ENABLE_LOGGING 0x01 894 enum ras_state state; /* RAS logging running state */ 895 }; 896 897 #define DBG_LOG_STR_SZ 256 898 #define DBG_LOG_SZ 256 899 900 struct dbg_log_ent { 901 char log[DBG_LOG_STR_SZ]; 902 u64 t_ns; 903 }; 904 905 enum lpfc_irq_chann_mode { 906 /* Assign IRQs to all possible cpus that have hardware queues */ 907 NORMAL_MODE, 908 909 /* Assign IRQs only to cpus on the same numa node as HBA */ 910 NUMA_MODE, 911 912 /* Assign IRQs only on non-hyperthreaded CPUs. This is the 913 * same as normal_mode, but assign IRQS only on physical CPUs. 914 */ 915 NHT_MODE, 916 }; 917 918 enum lpfc_hba_bit_flags { 919 FABRIC_COMANDS_BLOCKED, 920 HBA_PCI_ERR, 921 MBX_TMO_ERR, 922 }; 923 924 struct lpfc_hba { 925 /* SCSI interface function jump table entries */ 926 struct lpfc_io_buf * (*lpfc_get_scsi_buf) 927 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, 928 struct scsi_cmnd *cmnd); 929 int (*lpfc_scsi_prep_dma_buf) 930 (struct lpfc_hba *, struct lpfc_io_buf *); 931 void (*lpfc_scsi_unprep_dma_buf) 932 (struct lpfc_hba *, struct lpfc_io_buf *); 933 void (*lpfc_release_scsi_buf) 934 (struct lpfc_hba *, struct lpfc_io_buf *); 935 void (*lpfc_rampdown_queue_depth) 936 (struct lpfc_hba *); 937 void (*lpfc_scsi_prep_cmnd) 938 (struct lpfc_vport *, struct lpfc_io_buf *, 939 struct lpfc_nodelist *); 940 int (*lpfc_scsi_prep_cmnd_buf) 941 (struct lpfc_vport *vport, 942 struct lpfc_io_buf *lpfc_cmd, 943 uint8_t tmo); 944 int (*lpfc_scsi_prep_task_mgmt_cmd) 945 (struct lpfc_vport *vport, 946 struct lpfc_io_buf *lpfc_cmd, 947 u64 lun, u8 task_mgmt_cmd); 948 949 /* IOCB interface function jump table entries */ 950 int (*__lpfc_sli_issue_iocb) 951 (struct lpfc_hba *, uint32_t, 952 struct lpfc_iocbq *, uint32_t); 953 int (*__lpfc_sli_issue_fcp_io) 954 (struct lpfc_hba *phba, uint32_t ring_number, 955 struct lpfc_iocbq *piocb, uint32_t flag); 956 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, 957 struct lpfc_iocbq *); 958 int (*lpfc_hba_down_post)(struct lpfc_hba *phba); 959 960 /* MBOX interface function jump table entries */ 961 int (*lpfc_sli_issue_mbox) 962 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 963 964 /* Slow-path IOCB process function jump table entries */ 965 void (*lpfc_sli_handle_slow_ring_event) 966 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 967 uint32_t mask); 968 969 /* INIT device interface function jump table entries */ 970 int (*lpfc_sli_hbq_to_firmware) 971 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); 972 int (*lpfc_sli_brdrestart) 973 (struct lpfc_hba *); 974 int (*lpfc_sli_brdready) 975 (struct lpfc_hba *, uint32_t); 976 void (*lpfc_handle_eratt) 977 (struct lpfc_hba *); 978 void (*lpfc_stop_port) 979 (struct lpfc_hba *); 980 int (*lpfc_hba_init_link) 981 (struct lpfc_hba *, uint32_t); 982 int (*lpfc_hba_down_link) 983 (struct lpfc_hba *, uint32_t); 984 int (*lpfc_selective_reset) 985 (struct lpfc_hba *); 986 987 int (*lpfc_bg_scsi_prep_dma_buf) 988 (struct lpfc_hba *, struct lpfc_io_buf *); 989 990 /* Prep SLI WQE/IOCB jump table entries */ 991 void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq, 992 struct lpfc_vport *vport, 993 struct lpfc_dmabuf *bmp, 994 u16 cmd_size, u32 did, u32 elscmd, 995 u8 tmo, u8 expect_rsp); 996 void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq, 997 struct lpfc_dmabuf *bmp, u16 rpi, 998 u32 num_entry, u8 tmo); 999 void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq, 1000 struct lpfc_dmabuf *bmp, u16 rpi, 1001 u16 ox_id, u32 num_entry, u8 rctl, 1002 u8 last_seq, u8 cr_cx_cmd); 1003 void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq, 1004 u16 ulp_context, u16 iotag, 1005 u8 ulp_class, u16 cqid, bool ia, 1006 bool wqec); 1007 1008 /* expedite pool */ 1009 struct lpfc_epd_pool epd_pool; 1010 1011 /* SLI4 specific HBA data structure */ 1012 struct lpfc_sli4_hba sli4_hba; 1013 1014 struct workqueue_struct *wq; 1015 struct delayed_work eq_delay_work; 1016 1017 #define LPFC_IDLE_STAT_DELAY 1000 1018 struct delayed_work idle_stat_delay_work; 1019 1020 struct lpfc_sli sli; 1021 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */ 1022 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */ 1023 uint32_t sli3_options; /* Mask of enabled SLI3 options */ 1024 #define LPFC_SLI3_HBQ_ENABLED 0x01 1025 #define LPFC_SLI3_NPIV_ENABLED 0x02 1026 #define LPFC_SLI3_VPORT_TEARDOWN 0x04 1027 #define LPFC_SLI3_CRP_ENABLED 0x08 1028 #define LPFC_SLI3_BG_ENABLED 0x20 1029 #define LPFC_SLI3_DSS_ENABLED 0x40 1030 #define LPFC_SLI4_PERFH_ENABLED 0x80 1031 #define LPFC_SLI4_PHWQ_ENABLED 0x100 1032 uint32_t iocb_cmd_size; 1033 uint32_t iocb_rsp_size; 1034 1035 struct lpfc_trunk_link trunk_link; 1036 enum hba_state link_state; 1037 uint32_t link_flag; /* link state flags */ 1038 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ 1039 /* This flag is set while issuing */ 1040 /* INIT_LINK mailbox command */ 1041 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 1042 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ 1043 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */ 1044 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */ 1045 #define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */ 1046 #define LS_EXTERNAL_LOOPBACK 0x40 /* External loopback plug inserted */ 1047 1048 unsigned long hba_flag; /* hba generic flags */ 1049 1050 struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */ 1051 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ 1052 struct lpfc_dmabuf slim2p; 1053 1054 MAILBOX_t *mbox; 1055 uint32_t *mbox_ext; 1056 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx; 1057 uint32_t ha_copy; 1058 struct _PCB *pcb; 1059 struct _IOCB *IOCBs; 1060 1061 struct lpfc_dmabuf hbqslimp; 1062 1063 uint16_t pci_cfg_value; 1064 1065 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 1066 1067 uint32_t fc_eventTag; /* event tag for link attention */ 1068 uint32_t link_events; 1069 1070 /* These fields used to be binfo */ 1071 uint32_t fc_pref_DID; /* preferred D_ID */ 1072 uint8_t fc_pref_ALPA; /* preferred AL_PA */ 1073 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */ 1074 uint32_t fc_edtov; /* E_D_TOV timer value */ 1075 uint32_t fc_arbtov; /* ARB_TOV timer value */ 1076 uint32_t fc_ratov; /* R_A_TOV timer value */ 1077 uint32_t fc_rttov; /* R_T_TOV timer value */ 1078 uint32_t fc_altov; /* AL_TOV timer value */ 1079 uint32_t fc_crtov; /* C_R_TOV timer value */ 1080 1081 struct serv_parm fc_fabparam; /* fabric service parameters buffer */ 1082 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ 1083 1084 uint32_t lmt; 1085 1086 uint32_t fc_topology; /* link topology, from LINK INIT */ 1087 uint32_t fc_topology_changed; /* link topology, from LINK INIT */ 1088 1089 struct lpfc_stats fc_stat; 1090 1091 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ 1092 uint32_t nport_event_cnt; /* timestamp for nlplist entry */ 1093 1094 uint8_t wwnn[8]; 1095 uint8_t wwpn[8]; 1096 uint32_t RandomData[7]; 1097 uint8_t fcp_embed_io; 1098 uint8_t nvmet_support; /* driver supports NVMET */ 1099 #define LPFC_NVMET_MAX_PORTS 32 1100 uint8_t mds_diags_support; 1101 uint8_t bbcredit_support; 1102 uint8_t enab_exp_wqcq_pages; 1103 u8 nsler; /* Firmware supports FC-NVMe-2 SLER */ 1104 1105 /* HBA Config Parameters */ 1106 uint32_t cfg_ack0; 1107 uint32_t cfg_xri_rebalancing; 1108 uint32_t cfg_xpsgl; 1109 uint32_t cfg_enable_npiv; 1110 uint32_t cfg_enable_rrq; 1111 uint32_t cfg_topology; 1112 uint32_t cfg_link_speed; 1113 #define LPFC_FCF_FOV 1 /* Fast fcf failover */ 1114 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */ 1115 uint32_t cfg_fcf_failover_policy; 1116 uint32_t cfg_fcp_io_sched; 1117 uint32_t cfg_ns_query; 1118 uint32_t cfg_fcp2_no_tgt_reset; 1119 uint32_t cfg_cr_delay; 1120 uint32_t cfg_cr_count; 1121 uint32_t cfg_multi_ring_support; 1122 uint32_t cfg_multi_ring_rctl; 1123 uint32_t cfg_multi_ring_type; 1124 uint32_t cfg_poll; 1125 uint32_t cfg_poll_tmo; 1126 uint32_t cfg_task_mgmt_tmo; 1127 uint32_t cfg_use_msi; 1128 uint32_t cfg_auto_imax; 1129 uint32_t cfg_fcp_imax; 1130 uint32_t cfg_force_rscn; 1131 uint32_t cfg_cq_poll_threshold; 1132 uint32_t cfg_cq_max_proc_limit; 1133 uint32_t cfg_fcp_cpu_map; 1134 uint32_t cfg_fcp_mq_threshold; 1135 uint32_t cfg_hdw_queue; 1136 uint32_t cfg_irq_chann; 1137 uint32_t cfg_suppress_rsp; 1138 uint32_t cfg_nvme_oas; 1139 uint32_t cfg_nvme_embed_cmd; 1140 uint32_t cfg_nvmet_mrq_post; 1141 uint32_t cfg_nvmet_mrq; 1142 uint32_t cfg_enable_nvmet; 1143 uint32_t cfg_nvme_enable_fb; 1144 uint32_t cfg_nvmet_fb_size; 1145 uint32_t cfg_total_seg_cnt; 1146 uint32_t cfg_sg_seg_cnt; 1147 uint32_t cfg_nvme_seg_cnt; 1148 uint32_t cfg_scsi_seg_cnt; 1149 uint32_t cfg_sg_dma_buf_size; 1150 uint32_t cfg_hba_queue_depth; 1151 uint32_t cfg_enable_hba_reset; 1152 uint32_t cfg_enable_hba_heartbeat; 1153 uint32_t cfg_fof; 1154 uint32_t cfg_EnableXLane; 1155 uint8_t cfg_oas_tgt_wwpn[8]; 1156 uint8_t cfg_oas_vpt_wwpn[8]; 1157 uint32_t cfg_oas_lun_state; 1158 #define OAS_LUN_ENABLE 1 1159 #define OAS_LUN_DISABLE 0 1160 uint32_t cfg_oas_lun_status; 1161 #define OAS_LUN_STATUS_EXISTS 0x01 1162 uint32_t cfg_oas_flags; 1163 #define OAS_FIND_ANY_VPORT 0x01 1164 #define OAS_FIND_ANY_TARGET 0x02 1165 #define OAS_LUN_VALID 0x04 1166 uint32_t cfg_oas_priority; 1167 uint32_t cfg_XLanePriority; 1168 uint32_t cfg_enable_bg; 1169 uint32_t cfg_prot_mask; 1170 uint32_t cfg_prot_guard; 1171 uint32_t cfg_hostmem_hgp; 1172 uint32_t cfg_log_verbose; 1173 uint32_t cfg_enable_fc4_type; 1174 #define LPFC_ENABLE_FCP 1 1175 #define LPFC_ENABLE_NVME 2 1176 #define LPFC_ENABLE_BOTH 3 1177 #if (IS_ENABLED(CONFIG_NVME_FC)) 1178 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH 1179 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH 1180 #else 1181 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP 1182 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP 1183 #endif 1184 uint32_t cfg_sriov_nr_virtfn; 1185 uint32_t cfg_request_firmware_upgrade; 1186 uint32_t cfg_suppress_link_up; 1187 uint32_t cfg_rrq_xri_bitmap_sz; 1188 u32 cfg_fcp_wait_abts_rsp; 1189 uint32_t cfg_delay_discovery; 1190 uint32_t cfg_sli_mode; 1191 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */ 1192 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */ 1193 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */ 1194 uint32_t cfg_fdmi_on; 1195 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */ 1196 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */ 1197 uint32_t cfg_enable_SmartSAN; 1198 uint32_t cfg_enable_mds_diags; 1199 uint32_t cfg_ras_fwlog_level; 1200 uint32_t cfg_ras_fwlog_buffsize; 1201 uint32_t cfg_ras_fwlog_func; 1202 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */ 1203 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */ 1204 uint32_t cfg_enable_pbde; 1205 uint32_t cfg_enable_mi; 1206 struct nvmet_fc_target_port *targetport; 1207 lpfc_vpd_t vpd; /* vital product data */ 1208 1209 u32 cfg_max_vmid; /* maximum VMIDs allowed per port */ 1210 u32 cfg_vmid_app_header; 1211 #define LPFC_VMID_APP_HEADER_DISABLE 0 1212 #define LPFC_VMID_APP_HEADER_ENABLE 1 1213 u32 cfg_vmid_priority_tagging; 1214 u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */ 1215 /* deregisters from switch */ 1216 struct pci_dev *pcidev; 1217 struct list_head work_list; 1218 uint32_t work_ha; /* Host Attention Bits for WT */ 1219 uint32_t work_ha_mask; /* HA Bits owned by WT */ 1220 uint32_t work_hs; /* HS stored in case of ERRAT */ 1221 uint32_t work_status[2]; /* Extra status from SLIM */ 1222 1223 wait_queue_head_t work_waitq; 1224 struct task_struct *worker_thread; 1225 unsigned long data_flags; 1226 uint32_t border_sge_num; 1227 1228 uint32_t hbq_in_use; /* HBQs in use flag */ 1229 uint32_t hbq_count; /* Count of configured HBQs */ 1230 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 1231 1232 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */ 1233 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */ 1234 1235 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */ 1236 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */ 1237 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */ 1238 void __iomem *slim_memmap_p; /* Kernel memory mapped address for 1239 PCI BAR0 */ 1240 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for 1241 PCI BAR2 */ 1242 1243 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for 1244 PCI BAR0 with dual-ULP support */ 1245 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for 1246 PCI BAR2 with dual-ULP support */ 1247 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for 1248 PCI BAR4 with dual-ULP support */ 1249 #define PCI_64BIT_BAR0 0 1250 #define PCI_64BIT_BAR2 2 1251 #define PCI_64BIT_BAR4 4 1252 void __iomem *MBslimaddr; /* virtual address for mbox cmds */ 1253 void __iomem *HAregaddr; /* virtual address for host attn reg */ 1254 void __iomem *CAregaddr; /* virtual address for chip attn reg */ 1255 void __iomem *HSregaddr; /* virtual address for host status 1256 reg */ 1257 void __iomem *HCregaddr; /* virtual address for host ctl reg */ 1258 1259 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ 1260 struct lpfc_pgp *port_gp; 1261 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ 1262 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ 1263 1264 int brd_no; /* FC board number */ 1265 char SerialNumber[32]; /* adapter Serial Number */ 1266 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ 1267 char BIOSVersion[16]; /* Boot BIOS version */ 1268 char ModelDesc[256]; /* Model Description */ 1269 char ModelName[80]; /* Model Name */ 1270 char ProgramType[256]; /* Program Type */ 1271 char Port[20]; /* Port No */ 1272 uint8_t vpd_flag; /* VPD data flag */ 1273 1274 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ 1275 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ 1276 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ 1277 #define VPD_PORT 0x8 /* valid vpd port data */ 1278 #define VPD_MASK 0xf /* mask for any vpd data */ 1279 1280 1281 struct timer_list fcp_poll_timer; 1282 struct timer_list eratt_poll; 1283 uint32_t eratt_poll_interval; 1284 1285 uint64_t bg_guard_err_cnt; 1286 uint64_t bg_apptag_err_cnt; 1287 uint64_t bg_reftag_err_cnt; 1288 1289 /* fastpath list. */ 1290 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */ 1291 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */ 1292 struct list_head lpfc_scsi_buf_list_get; 1293 struct list_head lpfc_scsi_buf_list_put; 1294 uint32_t total_scsi_bufs; 1295 struct list_head lpfc_iocb_list; 1296 uint32_t total_iocbq_bufs; 1297 spinlock_t rrq_list_lock; /* lock for active_rrq_list */ 1298 struct list_head active_rrq_list; 1299 spinlock_t hbalock; 1300 struct work_struct unblock_request_work; /* SCSI layer unblock IOs */ 1301 1302 /* dma_mem_pools */ 1303 struct dma_pool *lpfc_sg_dma_buf_pool; 1304 struct dma_pool *lpfc_mbuf_pool; 1305 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */ 1306 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */ 1307 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */ 1308 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ 1309 struct dma_pool *lpfc_cmd_rsp_buf_pool; 1310 struct lpfc_dma_pool lpfc_mbuf_safety_pool; 1311 1312 mempool_t *mbox_mem_pool; 1313 mempool_t *nlp_mem_pool; 1314 mempool_t *rrq_pool; 1315 mempool_t *active_rrq_pool; 1316 1317 struct fc_host_statistics link_stats; 1318 enum lpfc_irq_chann_mode irq_chann_mode; 1319 enum intr_type_t intr_type; 1320 uint32_t intr_mode; 1321 #define LPFC_INTR_ERROR 0xFFFFFFFF 1322 struct list_head port_list; 1323 spinlock_t port_list_lock; /* lock for port_list mutations */ 1324 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 1325 uint16_t max_vpi; /* Maximum virtual nports */ 1326 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */ 1327 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */ 1328 uint16_t max_vports; /* 1329 * For IOV HBAs max_vpi can change 1330 * after a reset. max_vports is max 1331 * number of vports present. This can 1332 * be greater than max_vpi. 1333 */ 1334 uint16_t vpi_base; 1335 uint16_t vfi_base; 1336 unsigned long *vpi_bmask; /* vpi allocation table */ 1337 uint16_t *vpi_ids; 1338 uint16_t vpi_count; 1339 struct list_head lpfc_vpi_blk_list; 1340 1341 /* Data structure used by fabric iocb scheduler */ 1342 struct list_head fabric_iocb_list; 1343 atomic_t fabric_iocb_count; 1344 struct timer_list fabric_block_timer; 1345 unsigned long bit_flags; 1346 atomic_t num_rsrc_err; 1347 unsigned long last_rsrc_error_time; 1348 unsigned long last_ramp_down_time; 1349 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1350 struct dentry *hba_debugfs_root; 1351 atomic_t debugfs_vport_count; 1352 struct dentry *debug_multixri_pools; 1353 struct dentry *debug_hbqinfo; 1354 struct dentry *debug_dumpHostSlim; 1355 struct dentry *debug_dumpHBASlim; 1356 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */ 1357 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */ 1358 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */ 1359 struct dentry *debug_writeGuard; /* inject write guard_tag errors */ 1360 struct dentry *debug_writeApp; /* inject write app_tag errors */ 1361 struct dentry *debug_writeRef; /* inject write ref_tag errors */ 1362 struct dentry *debug_readGuard; /* inject read guard_tag errors */ 1363 struct dentry *debug_readApp; /* inject read app_tag errors */ 1364 struct dentry *debug_readRef; /* inject read ref_tag errors */ 1365 1366 struct dentry *debug_nvmeio_trc; 1367 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc; 1368 struct dentry *debug_hdwqinfo; 1369 #ifdef LPFC_HDWQ_LOCK_STAT 1370 struct dentry *debug_lockstat; 1371 #endif 1372 struct dentry *debug_cgn_buffer; 1373 struct dentry *debug_rx_monitor; 1374 struct dentry *debug_ras_log; 1375 atomic_t nvmeio_trc_cnt; 1376 uint32_t nvmeio_trc_size; 1377 uint32_t nvmeio_trc_output_idx; 1378 1379 /* T10 DIF error injection */ 1380 uint32_t lpfc_injerr_wgrd_cnt; 1381 uint32_t lpfc_injerr_wapp_cnt; 1382 uint32_t lpfc_injerr_wref_cnt; 1383 uint32_t lpfc_injerr_rgrd_cnt; 1384 uint32_t lpfc_injerr_rapp_cnt; 1385 uint32_t lpfc_injerr_rref_cnt; 1386 uint32_t lpfc_injerr_nportid; 1387 struct lpfc_name lpfc_injerr_wwpn; 1388 sector_t lpfc_injerr_lba; 1389 #define LPFC_INJERR_LBA_OFF (sector_t)(-1) 1390 1391 struct dentry *debug_slow_ring_trc; 1392 struct lpfc_debugfs_trc *slow_ring_trc; 1393 atomic_t slow_ring_trc_cnt; 1394 /* iDiag debugfs sub-directory */ 1395 struct dentry *idiag_root; 1396 struct dentry *idiag_pci_cfg; 1397 struct dentry *idiag_bar_acc; 1398 struct dentry *idiag_que_info; 1399 struct dentry *idiag_que_acc; 1400 struct dentry *idiag_drb_acc; 1401 struct dentry *idiag_ctl_acc; 1402 struct dentry *idiag_mbx_acc; 1403 struct dentry *idiag_ext_acc; 1404 uint8_t lpfc_idiag_last_eq; 1405 #endif 1406 uint16_t nvmeio_trc_on; 1407 1408 /* Used for deferred freeing of ELS data buffers */ 1409 struct list_head elsbuf; 1410 int elsbuf_cnt; 1411 int elsbuf_prev_cnt; 1412 1413 uint8_t temp_sensor_support; 1414 /* Fields used for heart beat. */ 1415 unsigned long last_completion_time; 1416 unsigned long skipped_hb; 1417 struct timer_list hb_tmofunc; 1418 struct timer_list rrq_tmr; 1419 enum hba_temp_state over_temp_state; 1420 /* 1421 * Following bit will be set for all buffer tags which are not 1422 * associated with any HBQ. 1423 */ 1424 #define QUE_BUFTAG_BIT (1<<31) 1425 uint32_t buffer_tag_count; 1426 1427 /* Maximum number of events that can be outstanding at any time*/ 1428 #define LPFC_MAX_EVT_COUNT 512 1429 atomic_t fast_event_count; 1430 uint32_t fcoe_eventtag; 1431 uint32_t fcoe_eventtag_at_fcf_scan; 1432 uint32_t fcoe_cvl_eventtag; 1433 uint32_t fcoe_cvl_eventtag_attn; 1434 struct lpfc_fcf fcf; 1435 uint8_t fc_map[3]; 1436 uint8_t valid_vlan; 1437 uint16_t vlan_id; 1438 struct list_head fcf_conn_rec_list; 1439 1440 struct lpfc_defer_flogi_acc defer_flogi_acc; 1441 1442 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */ 1443 struct list_head ct_ev_waiters; 1444 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; 1445 uint32_t ctx_idx; 1446 struct timer_list inactive_vmid_poll; 1447 1448 /* RAS Support */ 1449 spinlock_t ras_fwlog_lock; /* do not take while holding another lock */ 1450 struct lpfc_ras_fwlog ras_fwlog; 1451 1452 uint32_t iocb_cnt; 1453 uint32_t iocb_max; 1454 atomic_t sdev_cnt; 1455 spinlock_t devicelock; /* lock for luns list */ 1456 mempool_t *device_data_mem_pool; 1457 struct list_head luns; 1458 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080 1459 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040 1460 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020 1461 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010 1462 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008 1463 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004 1464 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002 1465 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001 1466 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000 1467 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000 1468 uint16_t sfp_alarm; 1469 uint16_t sfp_warning; 1470 1471 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1472 uint16_t hdwqstat_on; 1473 #define LPFC_CHECK_OFF 0 1474 #define LPFC_CHECK_NVME_IO 1 1475 #define LPFC_CHECK_NVMET_IO 2 1476 #define LPFC_CHECK_SCSI_IO 4 1477 uint16_t ktime_on; 1478 uint64_t ktime_data_samples; 1479 uint64_t ktime_status_samples; 1480 uint64_t ktime_last_cmd; 1481 uint64_t ktime_seg1_total; 1482 uint64_t ktime_seg1_min; 1483 uint64_t ktime_seg1_max; 1484 uint64_t ktime_seg2_total; 1485 uint64_t ktime_seg2_min; 1486 uint64_t ktime_seg2_max; 1487 uint64_t ktime_seg3_total; 1488 uint64_t ktime_seg3_min; 1489 uint64_t ktime_seg3_max; 1490 uint64_t ktime_seg4_total; 1491 uint64_t ktime_seg4_min; 1492 uint64_t ktime_seg4_max; 1493 uint64_t ktime_seg5_total; 1494 uint64_t ktime_seg5_min; 1495 uint64_t ktime_seg5_max; 1496 uint64_t ktime_seg6_total; 1497 uint64_t ktime_seg6_min; 1498 uint64_t ktime_seg6_max; 1499 uint64_t ktime_seg7_total; 1500 uint64_t ktime_seg7_min; 1501 uint64_t ktime_seg7_max; 1502 uint64_t ktime_seg8_total; 1503 uint64_t ktime_seg8_min; 1504 uint64_t ktime_seg8_max; 1505 uint64_t ktime_seg9_total; 1506 uint64_t ktime_seg9_min; 1507 uint64_t ktime_seg9_max; 1508 uint64_t ktime_seg10_total; 1509 uint64_t ktime_seg10_min; 1510 uint64_t ktime_seg10_max; 1511 #endif 1512 /* CMF objects */ 1513 struct lpfc_cgn_stat __percpu *cmf_stat; 1514 uint32_t cmf_interval_rate; /* timer interval limit in ms */ 1515 uint32_t cmf_timer_cnt; 1516 #define LPFC_CMF_INTERVAL 90 1517 uint64_t cmf_link_byte_count; 1518 uint64_t cmf_max_line_rate; 1519 uint64_t cmf_max_bytes_per_interval; 1520 uint64_t cmf_last_sync_bw; 1521 #define LPFC_CMF_BLK_SIZE 512 1522 struct hrtimer cmf_timer; 1523 struct hrtimer cmf_stats_timer; /* 1 minute stats timer */ 1524 atomic_t cmf_bw_wait; 1525 atomic_t cmf_busy; 1526 atomic_t cmf_stop_io; /* To block request and stop IO's */ 1527 uint32_t cmf_active_mode; 1528 uint32_t cmf_info_per_interval; 1529 #define LPFC_MAX_CMF_INFO 32 1530 struct timespec64 cmf_latency; /* Interval congestion timestamp */ 1531 uint32_t cmf_last_ts; /* Interval congestion time (ms) */ 1532 uint32_t cmf_active_info; 1533 1534 /* Signal / FPIN handling for Congestion Mgmt */ 1535 u8 cgn_reg_fpin; /* Negotiated value from RDF */ 1536 u8 cgn_init_reg_fpin; /* Initial value from READ_CONFIG */ 1537 #define LPFC_CGN_FPIN_NONE 0x0 1538 #define LPFC_CGN_FPIN_WARN 0x1 1539 #define LPFC_CGN_FPIN_ALARM 0x2 1540 #define LPFC_CGN_FPIN_BOTH (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM) 1541 1542 u8 cgn_reg_signal; /* Negotiated value from EDC */ 1543 u8 cgn_init_reg_signal; /* Initial value from READ_CONFIG */ 1544 /* cgn_reg_signal and cgn_init_reg_signal use 1545 * enum fc_edc_cg_signal_cap_types 1546 */ 1547 u16 cgn_fpin_frequency; /* In units of msecs */ 1548 #define LPFC_FPIN_INIT_FREQ 0xffff 1549 u32 cgn_sig_freq; 1550 u32 cgn_acqe_cnt; 1551 1552 /* RX monitor handling for CMF */ 1553 struct lpfc_rx_info_monitor *rx_monitor; 1554 atomic_t rx_max_read_cnt; /* Maximum read bytes */ 1555 uint64_t rx_block_cnt; 1556 1557 /* Congestion parameters from flash */ 1558 struct lpfc_cgn_param cgn_p; 1559 1560 /* Statistics counter for ACQE cgn alarms and warnings */ 1561 struct lpfc_cgn_acqe_stat cgn_acqe_stat; 1562 1563 /* Congestion buffer information */ 1564 struct lpfc_dmabuf *cgn_i; /* Congestion Info buffer */ 1565 atomic_t cgn_fabric_warn_cnt; /* Total warning cgn events for info */ 1566 atomic_t cgn_fabric_alarm_cnt; /* Total alarm cgn events for info */ 1567 atomic_t cgn_sync_warn_cnt; /* Total warning events for SYNC wqe */ 1568 atomic_t cgn_sync_alarm_cnt; /* Total alarm events for SYNC wqe */ 1569 atomic_t cgn_driver_evt_cnt; /* Total driver cgn events for fmw */ 1570 atomic_t cgn_latency_evt_cnt; 1571 atomic64_t cgn_latency_evt; /* Avg latency per minute */ 1572 unsigned long cgn_evt_timestamp; 1573 #define LPFC_CGN_TIMER_TO_MIN 60000 /* ms in a minute */ 1574 uint32_t cgn_evt_minute; 1575 #define LPFC_SEC_MIN 60UL 1576 #define LPFC_MIN_HOUR 60 1577 #define LPFC_HOUR_DAY 24 1578 #define LPFC_MIN_DAY (LPFC_MIN_HOUR * LPFC_HOUR_DAY) 1579 1580 struct hlist_node cpuhp; /* used for cpuhp per hba callback */ 1581 struct timer_list cpuhp_poll_timer; 1582 struct list_head poll_list; /* slowpath eq polling list */ 1583 #define LPFC_POLL_HB 1 /* slowpath heartbeat */ 1584 1585 char os_host_name[MAXHOSTNAMELEN]; 1586 1587 /* LD Signaling */ 1588 u32 degrade_activate_threshold; 1589 u32 degrade_deactivate_threshold; 1590 u32 fec_degrade_interval; 1591 1592 atomic_t dbg_log_idx; 1593 atomic_t dbg_log_cnt; 1594 atomic_t dbg_log_dmping; 1595 struct dbg_log_ent dbg_log[DBG_LOG_SZ]; 1596 }; 1597 1598 #define LPFC_MAX_RXMONITOR_ENTRY 800 1599 #define LPFC_MAX_RXMONITOR_DUMP 32 1600 struct rx_info_entry { 1601 uint64_t cmf_bytes; /* Total no of read bytes for CMF_SYNC_WQE */ 1602 uint64_t total_bytes; /* Total no of read bytes requested */ 1603 uint64_t rcv_bytes; /* Total no of read bytes completed */ 1604 uint64_t avg_io_size; 1605 uint64_t avg_io_latency;/* Average io latency in microseconds */ 1606 uint64_t max_read_cnt; /* Maximum read bytes */ 1607 uint64_t max_bytes_per_interval; 1608 uint32_t cmf_busy; 1609 uint32_t cmf_info; /* CMF_SYNC_WQE info */ 1610 uint32_t io_cnt; 1611 uint32_t timer_utilization; 1612 uint32_t timer_interval; 1613 }; 1614 1615 struct lpfc_rx_info_monitor { 1616 struct rx_info_entry *ring; /* info organized in a circular buffer */ 1617 u32 head_idx, tail_idx; /* index to head/tail of ring */ 1618 spinlock_t lock; /* spinlock for ring */ 1619 u32 entries; /* storing number entries/size of ring */ 1620 }; 1621 1622 static inline struct Scsi_Host * 1623 lpfc_shost_from_vport(struct lpfc_vport *vport) 1624 { 1625 return container_of((void *) vport, struct Scsi_Host, hostdata[0]); 1626 } 1627 1628 static inline void 1629 lpfc_set_loopback_flag(struct lpfc_hba *phba) 1630 { 1631 if (phba->cfg_topology == FLAGS_LOCAL_LB) 1632 phba->link_flag |= LS_LOOPBACK_MODE; 1633 else 1634 phba->link_flag &= ~LS_LOOPBACK_MODE; 1635 } 1636 1637 static inline int 1638 lpfc_is_link_up(struct lpfc_hba *phba) 1639 { 1640 return phba->link_state == LPFC_LINK_UP || 1641 phba->link_state == LPFC_CLEAR_LA || 1642 phba->link_state == LPFC_HBA_READY; 1643 } 1644 1645 static inline void 1646 lpfc_worker_wake_up(struct lpfc_hba *phba) 1647 { 1648 /* Set the lpfc data pending flag */ 1649 set_bit(LPFC_DATA_READY, &phba->data_flags); 1650 1651 /* Wake up worker thread */ 1652 wake_up(&phba->work_waitq); 1653 return; 1654 } 1655 1656 static inline int 1657 lpfc_readl(void __iomem *addr, uint32_t *data) 1658 { 1659 uint32_t temp; 1660 temp = readl(addr); 1661 if (temp == 0xffffffff) 1662 return -EIO; 1663 *data = temp; 1664 return 0; 1665 } 1666 1667 static inline int 1668 lpfc_sli_read_hs(struct lpfc_hba *phba) 1669 { 1670 /* 1671 * There was a link/board error. Read the status register to retrieve 1672 * the error event and process it. 1673 */ 1674 phba->sli.slistat.err_attn_event++; 1675 1676 /* Save status info and check for unplug error */ 1677 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) || 1678 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) || 1679 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) { 1680 return -EIO; 1681 } 1682 1683 /* Clear chip Host Attention error bit */ 1684 writel(HA_ERATT, phba->HAregaddr); 1685 readl(phba->HAregaddr); /* flush */ 1686 phba->pport->stopped = 1; 1687 1688 return 0; 1689 } 1690 1691 static inline struct lpfc_sli_ring * 1692 lpfc_phba_elsring(struct lpfc_hba *phba) 1693 { 1694 /* Return NULL if sli_rev has become invalid due to bad fw */ 1695 if (phba->sli_rev != LPFC_SLI_REV4 && 1696 phba->sli_rev != LPFC_SLI_REV3 && 1697 phba->sli_rev != LPFC_SLI_REV2) 1698 return NULL; 1699 1700 if (phba->sli_rev == LPFC_SLI_REV4) { 1701 if (phba->sli4_hba.els_wq) 1702 return phba->sli4_hba.els_wq->pring; 1703 else 1704 return NULL; 1705 } 1706 return &phba->sli.sli3_ring[LPFC_ELS_RING]; 1707 } 1708 1709 /** 1710 * lpfc_next_online_cpu - Finds next online CPU on cpumask 1711 * @mask: Pointer to phba's cpumask member. 1712 * @start: starting cpu index 1713 * 1714 * Note: If no valid cpu found, then nr_cpu_ids is returned. 1715 * 1716 **/ 1717 static __always_inline unsigned int 1718 lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start) 1719 { 1720 return cpumask_next_and_wrap(start, mask, cpu_online_mask); 1721 } 1722 1723 /** 1724 * lpfc_next_present_cpu - Finds next present CPU after n 1725 * @n: the cpu prior to search 1726 * 1727 * Note: If no next present cpu, then fallback to first present cpu. 1728 * 1729 **/ 1730 static __always_inline unsigned int lpfc_next_present_cpu(int n) 1731 { 1732 return cpumask_next_wrap(n, cpu_present_mask); 1733 } 1734 1735 /** 1736 * lpfc_sli4_mod_hba_eq_delay - update EQ delay 1737 * @phba: Pointer to HBA context object. 1738 * @q: The Event Queue to update. 1739 * @delay: The delay value (in us) to be written. 1740 * 1741 **/ 1742 static inline void 1743 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq, 1744 u32 delay) 1745 { 1746 struct lpfc_register reg_data; 1747 1748 reg_data.word0 = 0; 1749 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id); 1750 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay); 1751 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr); 1752 eq->q_mode = delay; 1753 } 1754 1755 1756 /* 1757 * Macro that declares tables and a routine to perform enum type to 1758 * ascii string lookup. 1759 * 1760 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for 1761 * the enum to populate the table. Macro defines a routine (named 1762 * by caller) that will search all elements of the table for the key 1763 * and return the name string if found or "Unrecognized" if not found. 1764 */ 1765 #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \ 1766 static struct { \ 1767 enum enum_name value; \ 1768 char *name; \ 1769 } fc_##enum_name##_e2str_names[] = enum_init; \ 1770 static const char *routine(enum enum_name table_key) \ 1771 { \ 1772 int i; \ 1773 char *name = "Unrecognized"; \ 1774 \ 1775 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\ 1776 if (fc_##enum_name##_e2str_names[i].value == table_key) {\ 1777 name = fc_##enum_name##_e2str_names[i].name; \ 1778 break; \ 1779 } \ 1780 } \ 1781 return name; \ 1782 } 1783 1784 /** 1785 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types 1786 * @phba: Pointer to HBA context object. 1787 * 1788 * Relationship between the enable, target support and if vmid tag is required 1789 * for the particular combination 1790 * --------------------------------------------------- 1791 * Switch Enable Flag Target Support VMID Needed 1792 * --------------------------------------------------- 1793 * App Id 0 NA N 1794 * App Id 1 0 N 1795 * App Id 1 1 Y 1796 * Pr Tag 0 NA N 1797 * Pr Tag 1 0 N 1798 * Pr Tag 1 1 Y 1799 * Pr Tag 2 * Y 1800 --------------------------------------------------- 1801 * 1802 **/ 1803 static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba) 1804 { 1805 return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging; 1806 } 1807 1808 static inline 1809 u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1810 { 1811 if (phba->sli_rev == LPFC_SLI_REV4) 1812 return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl); 1813 else 1814 return iocbq->iocb.ulpStatus; 1815 } 1816 1817 static inline 1818 u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1819 { 1820 if (phba->sli_rev == LPFC_SLI_REV4) 1821 return iocbq->wcqe_cmpl.parameter; 1822 else 1823 return iocbq->iocb.un.ulpWord[4]; 1824 } 1825 1826 static inline 1827 u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1828 { 1829 if (phba->sli_rev == LPFC_SLI_REV4) 1830 return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com); 1831 else 1832 return iocbq->iocb.ulpCommand; 1833 } 1834 1835 static inline 1836 u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1837 { 1838 if (phba->sli_rev == LPFC_SLI_REV4) 1839 return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com); 1840 else 1841 return iocbq->iocb.ulpContext; 1842 } 1843 1844 static inline 1845 u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1846 { 1847 if (phba->sli_rev == LPFC_SLI_REV4) 1848 return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com); 1849 else 1850 return iocbq->iocb.unsli3.rcvsli3.ox_id; 1851 } 1852 1853 static inline 1854 u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1855 { 1856 if (phba->sli_rev == LPFC_SLI_REV4) 1857 return iocbq->wcqe_cmpl.total_data_placed; 1858 else 1859 return iocbq->iocb.un.genreq64.bdl.bdeSize; 1860 } 1861 1862 static inline 1863 u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1864 { 1865 if (phba->sli_rev == LPFC_SLI_REV4) 1866 return iocbq->wqe.abort_cmd.wqe_com.abort_tag; 1867 else 1868 return iocbq->iocb.un.acxri.abortIoTag; 1869 } 1870 1871 static inline 1872 u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1873 { 1874 if (phba->sli_rev == LPFC_SLI_REV4) 1875 return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest); 1876 else 1877 return iocbq->iocb.un.elsreq64.remoteID; 1878 } 1879