1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2025 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 #define LPFC_VMID_TIMER 300 /* timer interval in seconds */ 317 318 #define LPFC_MAX_VMID_SIZE 256 319 320 union lpfc_vmid_io_tag { 321 u32 app_id; /* App Id vmid */ 322 u8 cs_ctl_vmid; /* Priority tag vmid */ 323 }; 324 325 #define JIFFIES_PER_HR (HZ * 60 * 60) 326 327 struct lpfc_vmid { 328 u8 flag; 329 #define LPFC_VMID_SLOT_FREE 0x0 330 #define LPFC_VMID_SLOT_USED 0x1 331 #define LPFC_VMID_REQ_REGISTER 0x2 332 #define LPFC_VMID_REGISTERED 0x4 333 #define LPFC_VMID_DE_REGISTER 0x8 334 char host_vmid[LPFC_MAX_VMID_SIZE]; 335 union lpfc_vmid_io_tag un; 336 struct hlist_node hnode; 337 u64 io_rd_cnt; 338 u64 io_wr_cnt; 339 u8 vmid_len; 340 u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */ 341 u32 hash_index; 342 u64 __percpu *last_io_time; 343 }; 344 345 #define lpfc_vmid_is_type_priority_tag(vport)\ 346 (vport->vmid_priority_tagging ? 1 : 0) 347 348 #define LPFC_VMID_HASH_SIZE 256 349 #define LPFC_VMID_HASH_MASK 255 350 #define LPFC_VMID_HASH_SHIFT 6 351 352 struct lpfc_vmid_context { 353 struct lpfc_vmid *vmp; 354 struct lpfc_nodelist *nlp; 355 bool instantiated; 356 }; 357 358 struct lpfc_vmid_priority_range { 359 u8 low; 360 u8 high; 361 u8 qos; 362 }; 363 364 struct lpfc_vmid_priority_info { 365 u32 num_descriptors; 366 struct lpfc_vmid_priority_range *vmid_range; 367 }; 368 369 #define QFPA_EVEN_ONLY 0x01 370 #define QFPA_ODD_ONLY 0x02 371 #define QFPA_EVEN_ODD 0x03 372 373 enum discovery_state { 374 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ 375 LPFC_VPORT_FAILED = 1, /* vport has failed */ 376 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ 377 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ 378 LPFC_FDISC = 8, /* FDISC sent for vport */ 379 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id 380 * configured */ 381 LPFC_NS_REG = 10, /* Register with NameServer */ 382 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ 383 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for 384 * device authentication / discovery */ 385 LPFC_DISC_AUTH = 13, /* Processing ADISC list */ 386 LPFC_VPORT_READY = 32, 387 }; 388 389 enum hba_state { 390 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ 391 LPFC_WARM_START = 1, /* HBA state after selective reset */ 392 LPFC_INIT_START = 2, /* Initial state after board reset */ 393 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ 394 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ 395 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ 396 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue 397 * CLEAR_LA */ 398 LPFC_HBA_READY = 32, 399 LPFC_HBA_ERROR = -1 400 }; 401 402 enum lpfc_hba_flag { /* hba generic flags */ 403 HBA_ERATT_HANDLED = 0, /* This flag is set when eratt handled */ 404 DEFER_ERATT = 1, /* Deferred error attn in progress */ 405 HBA_FCOE_MODE = 2, /* HBA function in FCoE Mode */ 406 HBA_SP_QUEUE_EVT = 3, /* Slow-path qevt posted to worker thread*/ 407 HBA_POST_RECEIVE_BUFFER = 4, /* Rcv buffers need to be posted */ 408 HBA_PERSISTENT_TOPO = 5, /* Persistent topology support in hba */ 409 ELS_XRI_ABORT_EVENT = 6, /* ELS_XRI abort event was queued */ 410 ASYNC_EVENT = 7, 411 LINK_DISABLED = 8, /* Link disabled by user */ 412 FCF_TS_INPROG = 9, /* FCF table scan in progress */ 413 FCF_RR_INPROG = 10, /* FCF roundrobin flogi in progress */ 414 HBA_FIP_SUPPORT = 11, /* FIP support in HBA */ 415 HBA_DEVLOSS_TMO = 13, /* HBA in devloss timeout */ 416 HBA_RRQ_ACTIVE = 14, /* process the rrq active list */ 417 HBA_IOQ_FLUSH = 15, /* I/O queues being flushed */ 418 HBA_RECOVERABLE_UE = 17, /* FW supports recoverable UE */ 419 HBA_FORCED_LINK_SPEED = 18, /* 420 * Firmware supports Forced Link 421 * Speed capability 422 */ 423 HBA_FLOGI_ISSUED = 20, /* FLOGI was issued */ 424 HBA_DEFER_FLOGI = 23, /* Defer FLOGI till read_sparm cmpl */ 425 HBA_SETUP = 24, /* HBA setup completed */ 426 HBA_NEEDS_CFG_PORT = 25, /* SLI3: CONFIG_PORT mbox needed */ 427 HBA_HBEAT_INP = 26, /* mbox HBEAT is in progress */ 428 HBA_HBEAT_TMO = 27, /* HBEAT initiated after timeout */ 429 HBA_FLOGI_OUTSTANDING = 28, /* FLOGI is outstanding */ 430 HBA_RHBA_CMPL = 29, /* RHBA FDMI cmd is successful */ 431 }; 432 433 struct lpfc_trunk_link_state { 434 enum hba_state state; 435 uint8_t fault; 436 }; 437 438 struct lpfc_trunk_link { 439 struct lpfc_trunk_link_state link0, 440 link1, 441 link2, 442 link3; 443 u32 phy_lnk_speed; 444 }; 445 446 /* Format of congestion module parameters */ 447 struct lpfc_cgn_param { 448 uint32_t cgn_param_magic; 449 uint8_t cgn_param_version; /* version 1 */ 450 uint8_t cgn_param_mode; /* 0=off 1=managed 2=monitor only */ 451 #define LPFC_CFG_OFF 0 452 #define LPFC_CFG_MANAGED 1 453 #define LPFC_CFG_MONITOR 2 454 uint8_t cgn_rsvd1; 455 uint8_t cgn_rsvd2; 456 uint8_t cgn_param_level0; 457 uint8_t cgn_param_level1; 458 uint8_t cgn_param_level2; 459 uint8_t byte11; 460 uint8_t byte12; 461 uint8_t byte13; 462 uint8_t byte14; 463 uint8_t byte15; 464 }; 465 466 /* Max number of days of congestion data */ 467 #define LPFC_MAX_CGN_DAYS 10 468 469 struct lpfc_cgn_ts { 470 uint8_t month; 471 uint8_t day; 472 uint8_t year; 473 uint8_t hour; 474 uint8_t minute; 475 uint8_t second; 476 }; 477 478 /* Format of congestion buffer info 479 * This structure defines memory thats allocated and registered with 480 * the HBA firmware. When adding or removing fields from this structure 481 * the alignment must match the HBA firmware. 482 */ 483 484 struct lpfc_cgn_info { 485 /* Header */ 486 __le16 cgn_info_size; /* is sizeof(struct lpfc_cgn_info) */ 487 uint8_t cgn_info_version; /* represents format of structure */ 488 #define LPFC_CGN_INFO_V1 1 489 #define LPFC_CGN_INFO_V2 2 490 #define LPFC_CGN_INFO_V3 3 491 #define LPFC_CGN_INFO_V4 4 492 uint8_t cgn_info_mode; /* 0=off 1=managed 2=monitor only */ 493 uint8_t cgn_info_detect; 494 uint8_t cgn_info_action; 495 uint8_t cgn_info_level0; 496 uint8_t cgn_info_level1; 497 uint8_t cgn_info_level2; 498 499 /* Start Time */ 500 struct lpfc_cgn_ts base_time; 501 502 /* minute / hours / daily indices */ 503 uint8_t cgn_index_minute; 504 uint8_t cgn_index_hour; 505 uint8_t cgn_index_day; 506 507 __le16 cgn_warn_freq; 508 __le16 cgn_alarm_freq; 509 __le16 cgn_lunq; 510 uint8_t cgn_pad1[8]; 511 512 /* Driver Information */ 513 __le16 cgn_drvr_min[60]; 514 __le32 cgn_drvr_hr[24]; 515 __le32 cgn_drvr_day[LPFC_MAX_CGN_DAYS]; 516 517 /* Congestion Warnings */ 518 __le16 cgn_warn_min[60]; 519 __le32 cgn_warn_hr[24]; 520 __le32 cgn_warn_day[LPFC_MAX_CGN_DAYS]; 521 522 /* Latency Information */ 523 __le32 cgn_latency_min[60]; 524 __le32 cgn_latency_hr[24]; 525 __le32 cgn_latency_day[LPFC_MAX_CGN_DAYS]; 526 527 /* Bandwidth Information */ 528 __le16 cgn_bw_min[60]; 529 __le16 cgn_bw_hr[24]; 530 __le16 cgn_bw_day[LPFC_MAX_CGN_DAYS]; 531 532 /* Congestion Alarms */ 533 __le16 cgn_alarm_min[60]; 534 __le32 cgn_alarm_hr[24]; 535 __le32 cgn_alarm_day[LPFC_MAX_CGN_DAYS]; 536 537 struct_group(cgn_stat, 538 uint8_t cgn_stat_npm; /* Notifications per minute */ 539 540 /* Start Time */ 541 struct lpfc_cgn_ts stat_start; /* Base time */ 542 uint8_t cgn_pad2; 543 544 __le32 cgn_notification; 545 __le32 cgn_peer_notification; 546 __le32 link_integ_notification; 547 __le32 delivery_notification; 548 struct lpfc_cgn_ts stat_fpin; /* Last congestion notification FPIN */ 549 struct lpfc_cgn_ts stat_peer; /* Last peer congestion FPIN */ 550 struct lpfc_cgn_ts stat_lnk; /* Last link integrity FPIN */ 551 struct lpfc_cgn_ts stat_delivery; /* Last delivery notification FPIN */ 552 ); 553 554 __le32 cgn_info_crc; 555 #define LPFC_CGN_CRC32_MAGIC_NUMBER 0x1EDC6F41 556 #define LPFC_CGN_CRC32_SEED 0xFFFFFFFF 557 }; 558 559 #define LPFC_CGN_INFO_SZ (sizeof(struct lpfc_cgn_info) - \ 560 sizeof(uint32_t)) 561 562 struct lpfc_cgn_stat { 563 atomic64_t total_bytes; 564 atomic64_t rcv_bytes; 565 atomic64_t rx_latency; 566 #define LPFC_CGN_NOT_SENT 0xFFFFFFFFFFFFFFFFLL 567 atomic_t rx_io_cnt; 568 }; 569 570 struct lpfc_cgn_acqe_stat { 571 atomic64_t alarm; 572 atomic64_t warn; 573 }; 574 575 enum lpfc_fc_flag { 576 /* Several of these flags are HBA centric and should be moved to 577 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) 578 */ 579 FC_PT2PT, /* pt2pt with no fabric */ 580 FC_PT2PT_PLOGI, /* pt2pt initiate PLOGI */ 581 FC_DISC_TMO, /* Discovery timer running */ 582 FC_PUBLIC_LOOP, /* Public loop */ 583 FC_LBIT, /* LOGIN bit in loopinit set */ 584 FC_RSCN_MODE, /* RSCN cmd rcv'ed */ 585 FC_NLP_MORE, /* More node to process in node tbl */ 586 FC_OFFLINE_MODE, /* Interface is offline for diag */ 587 FC_FABRIC, /* We are fabric attached */ 588 FC_VPORT_LOGO_RCVD, /* LOGO received on vport */ 589 FC_RSCN_DISCOVERY, /* Auth all devices after RSCN */ 590 FC_LOGO_RCVD_DID_CHNG, /* FDISC on phys port detect DID chng */ 591 FC_PT2PT_NO_NVME, /* Don't send NVME PRLI */ 592 FC_SCSI_SCAN_TMO, /* scsi scan timer running */ 593 FC_ABORT_DISCOVERY, /* we want to abort discovery */ 594 FC_NDISC_ACTIVE, /* NPort discovery active */ 595 FC_BYPASSED_MODE, /* NPort is in bypassed mode */ 596 FC_VPORT_NEEDS_REG_VPI, /* Needs to have its vpi registered */ 597 FC_RSCN_DEFERRED, /* A deferred RSCN being processed */ 598 FC_VPORT_NEEDS_INIT_VPI, /* Need to INIT_VPI before FDISC */ 599 FC_VPORT_CVL_RCVD, /* VLink failed due to CVL */ 600 FC_VFI_REGISTERED, /* VFI is registered */ 601 FC_FDISC_COMPLETED, /* FDISC completed */ 602 FC_DISC_DELAYED, /* Delay NPort discovery */ 603 }; 604 605 enum lpfc_load_flag { 606 FC_LOADING, /* HBA in process of loading drvr */ 607 FC_UNLOADING, /* HBA in process of unloading drvr */ 608 FC_ALLOW_FDMI, /* port is ready for FDMI requests */ 609 FC_ALLOW_VMID, /* Allow VMID I/Os */ 610 FC_DEREGISTER_ALL_APP_ID /* Deregister all VMIDs */ 611 }; 612 613 struct lpfc_vport { 614 struct lpfc_hba *phba; 615 struct list_head listentry; 616 uint8_t port_type; 617 #define LPFC_PHYSICAL_PORT 1 618 #define LPFC_NPIV_PORT 2 619 #define LPFC_FABRIC_PORT 3 620 enum discovery_state port_state; 621 622 uint16_t vpi; 623 uint16_t vfi; 624 uint8_t vpi_state; 625 #define LPFC_VPI_REGISTERED 0x1 626 627 unsigned long fc_flag; /* FC flags */ 628 629 uint32_t ct_flags; 630 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ 631 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ 632 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ 633 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ 634 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ 635 #define FC_CT_RPRT_DEFER 0x20 /* Defer issuing FDMI RPRT */ 636 #define FC_CT_RSPNI_PNI 0x40 /* RSPNI_PNI accepted by switch */ 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_rscn_id_cnt; /* count of RSCNs payloads in list */ 665 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ 666 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 667 struct lpfc_name fc_nodename; /* fc nodename */ 668 struct lpfc_name fc_portname; /* fc portname */ 669 670 struct timer_list fc_disctmo; /* Discovery rescue timer */ 671 uint8_t fc_ns_retry; /* retries for fabric nameserver */ 672 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ 673 674 spinlock_t work_port_lock; 675 uint32_t work_port_events; /* Timeout to be handled */ 676 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ 677 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ 678 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */ 679 680 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ 681 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ 682 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ 683 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ 684 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ 685 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */ 686 #define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */ 687 #define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs 688 * to be issued */ 689 690 struct timer_list els_tmofunc; 691 struct timer_list delayed_disc_tmo; 692 693 unsigned long load_flag; 694 /* Vport Config Parameters */ 695 uint32_t cfg_scan_down; 696 uint32_t cfg_lun_queue_depth; 697 uint32_t cfg_nodev_tmo; 698 uint32_t cfg_devloss_tmo; 699 uint32_t cfg_restrict_login; 700 uint32_t cfg_peer_port_login; 701 uint32_t cfg_fcp_class; 702 uint32_t cfg_use_adisc; 703 uint32_t cfg_discovery_threads; 704 uint32_t cfg_log_verbose; 705 uint32_t cfg_enable_fc4_type; 706 uint32_t cfg_max_luns; 707 uint32_t cfg_enable_da_id; 708 uint32_t cfg_max_scsicmpl_time; 709 uint32_t cfg_tgt_queue_depth; 710 uint32_t cfg_first_burst_size; 711 uint32_t dev_loss_tmo_changed; 712 /* VMID parameters */ 713 u8 lpfc_vmid_host_uuid[16]; 714 u32 max_vmid; /* maximum VMIDs allowed per port */ 715 u32 cur_vmid_cnt; /* Current VMID count */ 716 #define LPFC_MIN_VMID 4 717 #define LPFC_MAX_VMID 255 718 u32 vmid_inactivity_timeout; /* Time after which the VMID */ 719 /* deregisters from switch */ 720 u32 vmid_priority_tagging; 721 #define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */ 722 #define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */ 723 #define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */ 724 unsigned long *vmid_priority_range; 725 #define LPFC_VMID_MAX_PRIORITY_RANGE 256 726 #define LPFC_VMID_PRIORITY_BITMAP_SIZE 32 727 u8 vmid_flag; 728 #define LPFC_VMID_IN_USE 0x1 729 #define LPFC_VMID_ISSUE_QFPA 0x2 730 #define LPFC_VMID_QFPA_CMPL 0x4 731 #define LPFC_VMID_QOS_ENABLED 0x8 732 #define LPFC_VMID_TIMER_ENBLD 0x10 733 #define LPFC_VMID_TYPE_PRIO 0x20 734 struct fc_qfpa_res *qfpa_res; 735 736 struct fc_vport *fc_vport; 737 738 struct lpfc_vmid *vmid; 739 DECLARE_HASHTABLE(hash_table, 8); 740 rwlock_t vmid_lock; 741 struct lpfc_vmid_priority_info vmid_priority; 742 743 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 744 struct dentry *vport_debugfs_root; 745 struct lpfc_debugfs_trc *disc_trc; 746 atomic_t disc_trc_cnt; 747 #endif 748 struct list_head rcv_buffer_list; 749 unsigned long rcv_buffer_time_stamp; 750 uint32_t vport_flag; 751 #define STATIC_VPORT 0x1 752 #define FAWWPN_PARAM_CHG 0x2 753 754 uint16_t fdmi_num_disc; 755 uint32_t fdmi_hba_mask; 756 uint32_t fdmi_port_mask; 757 758 /* There is a single nvme instance per vport. */ 759 struct nvme_fc_local_port *localport; 760 uint8_t nvmei_support; /* driver supports NVME Initiator */ 761 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */ 762 }; 763 764 struct hbq_s { 765 uint16_t entry_count; /* Current number of HBQ slots */ 766 uint16_t buffer_count; /* Current number of buffers posted */ 767 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ 768 uint32_t hbqPutIdx; /* HBQ slot to use */ 769 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ 770 void *hbq_virt; /* Virtual ptr to this hbq */ 771 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ 772 /* Callback for HBQ buffer allocation */ 773 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); 774 /* Callback for HBQ buffer free */ 775 void (*hbq_free_buffer) (struct lpfc_hba *, 776 struct hbq_dmabuf *); 777 }; 778 779 /* this matches the position in the lpfc_hbq_defs array */ 780 #define LPFC_ELS_HBQ 0 781 #define LPFC_MAX_HBQS 1 782 783 enum hba_temp_state { 784 HBA_NORMAL_TEMP, 785 HBA_OVER_TEMP 786 }; 787 788 enum intr_type_t { 789 NONE = 0, 790 INTx, 791 MSI, 792 MSIX, 793 }; 794 795 #define LPFC_CT_CTX_MAX 64 796 struct unsol_rcv_ct_ctx { 797 uint32_t ctxt_id; 798 uint32_t SID; 799 uint32_t valid; 800 #define UNSOL_INVALID 0 801 #define UNSOL_VALID 1 802 uint16_t oxid; 803 uint16_t rxid; 804 }; 805 806 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/ 807 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */ 808 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */ 809 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */ 810 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */ 811 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */ 812 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */ 813 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */ 814 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */ 815 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G 816 817 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64" 818 819 enum nemb_type { 820 nemb_mse = 1, 821 nemb_hbd 822 }; 823 824 enum mbox_type { 825 mbox_rd = 1, 826 mbox_wr 827 }; 828 829 enum dma_type { 830 dma_mbox = 1, 831 dma_ebuf 832 }; 833 834 enum sta_type { 835 sta_pre_addr = 1, 836 sta_pos_addr 837 }; 838 839 struct lpfc_mbox_ext_buf_ctx { 840 uint32_t state; 841 #define LPFC_BSG_MBOX_IDLE 0 842 #define LPFC_BSG_MBOX_HOST 1 843 #define LPFC_BSG_MBOX_PORT 2 844 #define LPFC_BSG_MBOX_DONE 3 845 #define LPFC_BSG_MBOX_ABTS 4 846 enum nemb_type nembType; 847 enum mbox_type mboxType; 848 uint32_t numBuf; 849 uint32_t mbxTag; 850 uint32_t seqNum; 851 struct lpfc_dmabuf *mbx_dmabuf; 852 struct list_head ext_dmabuf_list; 853 }; 854 855 struct lpfc_epd_pool { 856 /* Expedite pool */ 857 struct list_head list; 858 u32 count; 859 spinlock_t lock; /* lock for expedite pool */ 860 }; 861 862 enum ras_state { 863 INACTIVE, 864 REG_INPROGRESS, 865 ACTIVE 866 }; 867 868 struct lpfc_ras_fwlog { 869 uint8_t *fwlog_buff; 870 uint32_t fw_buffcount; /* Buffer size posted to FW */ 871 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */ 872 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024) 873 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024) 874 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024) 875 uint32_t fw_loglevel; /* Log level set */ 876 struct lpfc_dmabuf lwpd; 877 struct list_head fwlog_buff_list; 878 879 /* RAS support status on adapter */ 880 bool ras_hwsupport; /* RAS Support available on HW or not */ 881 bool ras_enabled; /* Ras Enabled for the function */ 882 #define LPFC_RAS_DISABLE_LOGGING 0x00 883 #define LPFC_RAS_ENABLE_LOGGING 0x01 884 enum ras_state state; /* RAS logging running state */ 885 }; 886 887 #define DBG_LOG_STR_SZ 256 888 #define DBG_LOG_SZ 256 889 890 struct dbg_log_ent { 891 char log[DBG_LOG_STR_SZ]; 892 u64 t_ns; 893 }; 894 895 enum lpfc_irq_chann_mode { 896 /* Assign IRQs to all possible cpus that have hardware queues */ 897 NORMAL_MODE, 898 899 /* Assign IRQs only to cpus on the same numa node as HBA */ 900 NUMA_MODE, 901 902 /* Assign IRQs only on non-hyperthreaded CPUs. This is the 903 * same as normal_mode, but assign IRQS only on physical CPUs. 904 */ 905 NHT_MODE, 906 }; 907 908 enum lpfc_hba_bit_flags { 909 FABRIC_COMANDS_BLOCKED, 910 HBA_PCI_ERR, 911 MBX_TMO_ERR, 912 }; 913 914 struct lpfc_hba { 915 /* SCSI interface function jump table entries */ 916 struct lpfc_io_buf * (*lpfc_get_scsi_buf) 917 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, 918 struct scsi_cmnd *cmnd); 919 int (*lpfc_scsi_prep_dma_buf) 920 (struct lpfc_hba *, struct lpfc_io_buf *); 921 void (*lpfc_scsi_unprep_dma_buf) 922 (struct lpfc_hba *, struct lpfc_io_buf *); 923 void (*lpfc_release_scsi_buf) 924 (struct lpfc_hba *, struct lpfc_io_buf *); 925 void (*lpfc_rampdown_queue_depth) 926 (struct lpfc_hba *); 927 void (*lpfc_scsi_prep_cmnd) 928 (struct lpfc_vport *, struct lpfc_io_buf *, 929 struct lpfc_nodelist *); 930 int (*lpfc_scsi_prep_cmnd_buf) 931 (struct lpfc_vport *vport, 932 struct lpfc_io_buf *lpfc_cmd, 933 uint8_t tmo); 934 int (*lpfc_scsi_prep_task_mgmt_cmd) 935 (struct lpfc_vport *vport, 936 struct lpfc_io_buf *lpfc_cmd, 937 u64 lun, u8 task_mgmt_cmd); 938 939 /* IOCB interface function jump table entries */ 940 int (*__lpfc_sli_issue_iocb) 941 (struct lpfc_hba *, uint32_t, 942 struct lpfc_iocbq *, uint32_t); 943 int (*__lpfc_sli_issue_fcp_io) 944 (struct lpfc_hba *phba, uint32_t ring_number, 945 struct lpfc_iocbq *piocb, uint32_t flag); 946 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, 947 struct lpfc_iocbq *); 948 int (*lpfc_hba_down_post)(struct lpfc_hba *phba); 949 950 /* MBOX interface function jump table entries */ 951 int (*lpfc_sli_issue_mbox) 952 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 953 954 /* Slow-path IOCB process function jump table entries */ 955 void (*lpfc_sli_handle_slow_ring_event) 956 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 957 uint32_t mask); 958 959 /* INIT device interface function jump table entries */ 960 int (*lpfc_sli_hbq_to_firmware) 961 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); 962 int (*lpfc_sli_brdrestart) 963 (struct lpfc_hba *); 964 int (*lpfc_sli_brdready) 965 (struct lpfc_hba *, uint32_t); 966 void (*lpfc_handle_eratt) 967 (struct lpfc_hba *); 968 void (*lpfc_stop_port) 969 (struct lpfc_hba *); 970 int (*lpfc_hba_init_link) 971 (struct lpfc_hba *, uint32_t); 972 int (*lpfc_hba_down_link) 973 (struct lpfc_hba *, uint32_t); 974 int (*lpfc_selective_reset) 975 (struct lpfc_hba *); 976 977 int (*lpfc_bg_scsi_prep_dma_buf) 978 (struct lpfc_hba *, struct lpfc_io_buf *); 979 980 /* Prep SLI WQE/IOCB jump table entries */ 981 void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq, 982 struct lpfc_vport *vport, 983 struct lpfc_dmabuf *bmp, 984 u16 cmd_size, u32 did, u32 elscmd, 985 u8 tmo, u8 expect_rsp); 986 void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq, 987 struct lpfc_dmabuf *bmp, u16 rpi, 988 u32 num_entry, u8 tmo); 989 void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq, 990 struct lpfc_dmabuf *bmp, u16 rpi, 991 u16 ox_id, u32 num_entry, u8 rctl, 992 u8 last_seq, u8 cr_cx_cmd); 993 void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq, 994 u16 ulp_context, u16 iotag, 995 u8 ulp_class, u16 cqid, bool ia, 996 bool wqec); 997 998 /* expedite pool */ 999 struct lpfc_epd_pool epd_pool; 1000 1001 /* SLI4 specific HBA data structure */ 1002 struct lpfc_sli4_hba sli4_hba; 1003 1004 struct workqueue_struct *wq; 1005 struct delayed_work eq_delay_work; 1006 1007 #define LPFC_IDLE_STAT_DELAY 1000 1008 struct delayed_work idle_stat_delay_work; 1009 1010 struct lpfc_sli sli; 1011 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */ 1012 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */ 1013 uint32_t sli3_options; /* Mask of enabled SLI3 options */ 1014 #define LPFC_SLI3_HBQ_ENABLED 0x01 1015 #define LPFC_SLI3_NPIV_ENABLED 0x02 1016 #define LPFC_SLI3_VPORT_TEARDOWN 0x04 1017 #define LPFC_SLI3_CRP_ENABLED 0x08 1018 #define LPFC_SLI3_BG_ENABLED 0x20 1019 #define LPFC_SLI3_DSS_ENABLED 0x40 1020 #define LPFC_SLI4_PERFH_ENABLED 0x80 1021 #define LPFC_SLI4_PHWQ_ENABLED 0x100 1022 uint32_t iocb_cmd_size; 1023 uint32_t iocb_rsp_size; 1024 1025 struct lpfc_trunk_link trunk_link; 1026 enum hba_state link_state; 1027 uint32_t link_flag; /* link state flags */ 1028 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ 1029 /* This flag is set while issuing */ 1030 /* INIT_LINK mailbox command */ 1031 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 1032 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ 1033 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */ 1034 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */ 1035 #define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */ 1036 #define LS_EXTERNAL_LOOPBACK 0x40 /* External loopback plug inserted */ 1037 1038 unsigned long hba_flag; /* hba generic flags */ 1039 1040 struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */ 1041 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ 1042 struct lpfc_dmabuf slim2p; 1043 1044 MAILBOX_t *mbox; 1045 uint32_t *mbox_ext; 1046 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx; 1047 uint32_t ha_copy; 1048 struct _PCB *pcb; 1049 struct _IOCB *IOCBs; 1050 1051 struct lpfc_dmabuf hbqslimp; 1052 1053 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 1054 1055 uint32_t fc_eventTag; /* event tag for link attention */ 1056 uint32_t link_events; 1057 1058 /* These fields used to be binfo */ 1059 uint32_t fc_pref_DID; /* preferred D_ID */ 1060 uint8_t fc_pref_ALPA; /* preferred AL_PA */ 1061 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */ 1062 uint32_t fc_edtov; /* E_D_TOV timer value */ 1063 uint32_t fc_arbtov; /* ARB_TOV timer value */ 1064 uint32_t fc_ratov; /* R_A_TOV timer value */ 1065 uint32_t fc_rttov; /* R_T_TOV timer value */ 1066 uint32_t fc_altov; /* AL_TOV timer value */ 1067 uint32_t fc_crtov; /* C_R_TOV timer value */ 1068 1069 struct serv_parm fc_fabparam; /* fabric service parameters buffer */ 1070 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ 1071 1072 uint32_t lmt; 1073 1074 uint32_t fc_topology; /* link topology, from LINK INIT */ 1075 uint32_t fc_topology_changed; /* link topology, from LINK INIT */ 1076 1077 struct lpfc_stats fc_stat; 1078 1079 uint32_t nport_event_cnt; /* timestamp for nlplist entry */ 1080 1081 unsigned long pni; /* 64-bit Platform Name Identifier */ 1082 1083 uint8_t wwnn[8]; 1084 uint8_t wwpn[8]; 1085 uint32_t RandomData[7]; 1086 uint8_t fcp_embed_io; 1087 uint8_t nvmet_support; /* driver supports NVMET */ 1088 #define LPFC_NVMET_MAX_PORTS 32 1089 uint8_t mds_diags_support; 1090 uint8_t bbcredit_support; 1091 uint8_t enab_exp_wqcq_pages; 1092 u8 nsler; /* Firmware supports FC-NVMe-2 SLER */ 1093 1094 /* HBA Config Parameters */ 1095 uint32_t cfg_ack0; 1096 uint32_t cfg_xri_rebalancing; 1097 uint32_t cfg_xpsgl; 1098 uint32_t cfg_enable_npiv; 1099 uint32_t cfg_enable_rrq; 1100 uint32_t cfg_topology; 1101 uint32_t cfg_link_speed; 1102 #define LPFC_FCF_FOV 1 /* Fast fcf failover */ 1103 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */ 1104 uint32_t cfg_fcf_failover_policy; 1105 uint32_t cfg_fcp_io_sched; 1106 uint32_t cfg_ns_query; 1107 uint32_t cfg_fcp2_no_tgt_reset; 1108 uint32_t cfg_cr_delay; 1109 uint32_t cfg_cr_count; 1110 uint32_t cfg_multi_ring_support; 1111 uint32_t cfg_multi_ring_rctl; 1112 uint32_t cfg_multi_ring_type; 1113 uint32_t cfg_poll; 1114 uint32_t cfg_poll_tmo; 1115 uint32_t cfg_task_mgmt_tmo; 1116 uint32_t cfg_use_msi; 1117 uint32_t cfg_auto_imax; 1118 uint32_t cfg_fcp_imax; 1119 uint32_t cfg_force_rscn; 1120 uint32_t cfg_cq_poll_threshold; 1121 uint32_t cfg_cq_max_proc_limit; 1122 uint32_t cfg_fcp_cpu_map; 1123 uint32_t cfg_fcp_mq_threshold; 1124 uint32_t cfg_hdw_queue; 1125 uint32_t cfg_irq_chann; 1126 uint32_t cfg_suppress_rsp; 1127 uint32_t cfg_nvme_oas; 1128 uint32_t cfg_nvme_embed_cmd; 1129 uint32_t cfg_nvmet_mrq_post; 1130 uint32_t cfg_nvmet_mrq; 1131 uint32_t cfg_enable_nvmet; 1132 uint32_t cfg_nvme_enable_fb; 1133 uint32_t cfg_nvmet_fb_size; 1134 uint32_t cfg_total_seg_cnt; 1135 uint32_t cfg_sg_seg_cnt; 1136 uint32_t cfg_nvme_seg_cnt; 1137 uint32_t cfg_scsi_seg_cnt; 1138 uint32_t cfg_sg_dma_buf_size; 1139 uint32_t cfg_hba_queue_depth; 1140 uint32_t cfg_enable_hba_reset; 1141 uint32_t cfg_enable_hba_heartbeat; 1142 uint32_t cfg_fof; 1143 uint32_t cfg_EnableXLane; 1144 uint8_t cfg_oas_tgt_wwpn[8]; 1145 uint8_t cfg_oas_vpt_wwpn[8]; 1146 uint32_t cfg_oas_lun_state; 1147 #define OAS_LUN_ENABLE 1 1148 #define OAS_LUN_DISABLE 0 1149 uint32_t cfg_oas_lun_status; 1150 #define OAS_LUN_STATUS_EXISTS 0x01 1151 uint32_t cfg_oas_flags; 1152 #define OAS_FIND_ANY_VPORT 0x01 1153 #define OAS_FIND_ANY_TARGET 0x02 1154 #define OAS_LUN_VALID 0x04 1155 uint32_t cfg_oas_priority; 1156 uint32_t cfg_XLanePriority; 1157 uint32_t cfg_enable_bg; 1158 uint32_t cfg_prot_mask; 1159 uint32_t cfg_prot_guard; 1160 uint32_t cfg_hostmem_hgp; 1161 uint32_t cfg_log_verbose; 1162 uint32_t cfg_enable_fc4_type; 1163 #define LPFC_ENABLE_FCP 1 1164 #define LPFC_ENABLE_NVME 2 1165 #define LPFC_ENABLE_BOTH 3 1166 #if (IS_ENABLED(CONFIG_NVME_FC)) 1167 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH 1168 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH 1169 #else 1170 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP 1171 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP 1172 #endif 1173 uint32_t cfg_sriov_nr_virtfn; 1174 uint32_t cfg_request_firmware_upgrade; 1175 uint32_t cfg_suppress_link_up; 1176 uint32_t cfg_rrq_xri_bitmap_sz; 1177 u32 cfg_fcp_wait_abts_rsp; 1178 uint32_t cfg_delay_discovery; 1179 uint32_t cfg_sli_mode; 1180 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */ 1181 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */ 1182 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */ 1183 uint32_t cfg_fdmi_on; 1184 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */ 1185 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */ 1186 uint32_t cfg_enable_SmartSAN; 1187 uint32_t cfg_enable_mds_diags; 1188 uint32_t cfg_ras_fwlog_level; 1189 uint32_t cfg_ras_fwlog_buffsize; 1190 uint32_t cfg_ras_fwlog_func; 1191 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */ 1192 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */ 1193 uint32_t cfg_enable_pbde; 1194 uint32_t cfg_enable_mi; 1195 struct nvmet_fc_target_port *targetport; 1196 lpfc_vpd_t vpd; /* vital product data */ 1197 1198 u32 cfg_max_vmid; /* maximum VMIDs allowed per port */ 1199 u32 cfg_vmid_app_header; 1200 #define LPFC_VMID_APP_HEADER_DISABLE 0 1201 #define LPFC_VMID_APP_HEADER_ENABLE 1 1202 u32 cfg_vmid_priority_tagging; 1203 u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */ 1204 /* deregisters from switch */ 1205 struct pci_dev *pcidev; 1206 struct list_head work_list; 1207 uint32_t work_ha; /* Host Attention Bits for WT */ 1208 uint32_t work_ha_mask; /* HA Bits owned by WT */ 1209 uint32_t work_hs; /* HS stored in case of ERRAT */ 1210 uint32_t work_status[2]; /* Extra status from SLIM */ 1211 1212 wait_queue_head_t work_waitq; 1213 struct task_struct *worker_thread; 1214 unsigned long data_flags; 1215 uint32_t border_sge_num; 1216 1217 uint32_t hbq_in_use; /* HBQs in use flag */ 1218 uint32_t hbq_count; /* Count of configured HBQs */ 1219 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 1220 1221 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */ 1222 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */ 1223 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */ 1224 void __iomem *slim_memmap_p; /* Kernel memory mapped address for 1225 PCI BAR0 */ 1226 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for 1227 PCI BAR2 */ 1228 1229 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for 1230 PCI BAR0 with dual-ULP support */ 1231 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for 1232 PCI BAR2 with dual-ULP support */ 1233 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for 1234 PCI BAR4 with dual-ULP support */ 1235 #define PCI_64BIT_BAR0 0 1236 #define PCI_64BIT_BAR2 2 1237 #define PCI_64BIT_BAR4 4 1238 void __iomem *MBslimaddr; /* virtual address for mbox cmds */ 1239 void __iomem *HAregaddr; /* virtual address for host attn reg */ 1240 void __iomem *CAregaddr; /* virtual address for chip attn reg */ 1241 void __iomem *HSregaddr; /* virtual address for host status 1242 reg */ 1243 void __iomem *HCregaddr; /* virtual address for host ctl reg */ 1244 1245 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ 1246 struct lpfc_pgp *port_gp; 1247 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ 1248 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ 1249 1250 int brd_no; /* FC board number */ 1251 char SerialNumber[32]; /* adapter Serial Number */ 1252 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ 1253 char BIOSVersion[16]; /* Boot BIOS version */ 1254 char ModelDesc[256]; /* Model Description */ 1255 char ModelName[80]; /* Model Name */ 1256 char ProgramType[256]; /* Program Type */ 1257 char Port[20]; /* Port No */ 1258 uint8_t vpd_flag; /* VPD data flag */ 1259 1260 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ 1261 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ 1262 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ 1263 #define VPD_PORT 0x8 /* valid vpd port data */ 1264 #define VPD_MASK 0xf /* mask for any vpd data */ 1265 1266 1267 struct timer_list fcp_poll_timer; 1268 struct timer_list eratt_poll; 1269 uint32_t eratt_poll_interval; 1270 1271 uint64_t bg_guard_err_cnt; 1272 uint64_t bg_apptag_err_cnt; 1273 uint64_t bg_reftag_err_cnt; 1274 1275 /* fastpath list. */ 1276 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */ 1277 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */ 1278 struct list_head lpfc_scsi_buf_list_get; 1279 struct list_head lpfc_scsi_buf_list_put; 1280 uint32_t total_scsi_bufs; 1281 struct list_head lpfc_iocb_list; 1282 uint32_t total_iocbq_bufs; 1283 spinlock_t rrq_list_lock; /* lock for active_rrq_list */ 1284 struct list_head active_rrq_list; 1285 spinlock_t hbalock; 1286 struct work_struct unblock_request_work; /* SCSI layer unblock IOs */ 1287 1288 /* dma_mem_pools */ 1289 struct dma_pool *lpfc_sg_dma_buf_pool; 1290 struct dma_pool *lpfc_mbuf_pool; 1291 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */ 1292 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */ 1293 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */ 1294 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ 1295 struct dma_pool *lpfc_cmd_rsp_buf_pool; 1296 struct lpfc_dma_pool lpfc_mbuf_safety_pool; 1297 1298 mempool_t *mbox_mem_pool; 1299 mempool_t *nlp_mem_pool; 1300 mempool_t *rrq_pool; 1301 mempool_t *active_rrq_pool; 1302 1303 struct fc_host_statistics link_stats; 1304 enum lpfc_irq_chann_mode irq_chann_mode; 1305 enum intr_type_t intr_type; 1306 uint32_t intr_mode; 1307 #define LPFC_INTR_ERROR 0xFFFFFFFF 1308 struct list_head port_list; 1309 spinlock_t port_list_lock; /* lock for port_list mutations */ 1310 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 1311 uint16_t max_vpi; /* Maximum virtual nports */ 1312 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */ 1313 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */ 1314 uint16_t max_vports; /* 1315 * For IOV HBAs max_vpi can change 1316 * after a reset. max_vports is max 1317 * number of vports present. This can 1318 * be greater than max_vpi. 1319 */ 1320 uint16_t vpi_base; 1321 uint16_t vfi_base; 1322 unsigned long *vpi_bmask; /* vpi allocation table */ 1323 uint16_t *vpi_ids; 1324 uint16_t vpi_count; 1325 struct list_head lpfc_vpi_blk_list; 1326 1327 /* Data structure used by fabric iocb scheduler */ 1328 struct list_head fabric_iocb_list; 1329 atomic_t fabric_iocb_count; 1330 struct timer_list fabric_block_timer; 1331 unsigned long bit_flags; 1332 atomic_t num_rsrc_err; 1333 unsigned long last_rsrc_error_time; 1334 unsigned long last_ramp_down_time; 1335 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1336 struct dentry *hba_debugfs_root; 1337 unsigned int debugfs_vport_count; 1338 1339 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc; 1340 atomic_t nvmeio_trc_cnt; 1341 uint32_t nvmeio_trc_size; 1342 uint32_t nvmeio_trc_output_idx; 1343 1344 /* T10 DIF error injection */ 1345 uint32_t lpfc_injerr_wgrd_cnt; 1346 uint32_t lpfc_injerr_wapp_cnt; 1347 uint32_t lpfc_injerr_wref_cnt; 1348 uint32_t lpfc_injerr_rgrd_cnt; 1349 uint32_t lpfc_injerr_rapp_cnt; 1350 uint32_t lpfc_injerr_rref_cnt; 1351 uint32_t lpfc_injerr_nportid; 1352 struct lpfc_name lpfc_injerr_wwpn; 1353 sector_t lpfc_injerr_lba; 1354 #define LPFC_INJERR_LBA_OFF (sector_t)(-1) 1355 1356 struct lpfc_debugfs_trc *slow_ring_trc; 1357 atomic_t slow_ring_trc_cnt; 1358 /* iDiag debugfs sub-directory */ 1359 struct dentry *idiag_root; 1360 uint8_t lpfc_idiag_last_eq; 1361 #endif 1362 uint16_t nvmeio_trc_on; 1363 1364 /* Used for deferred freeing of ELS data buffers */ 1365 struct list_head elsbuf; 1366 int elsbuf_cnt; 1367 int elsbuf_prev_cnt; 1368 1369 uint8_t temp_sensor_support; 1370 /* Fields used for heart beat. */ 1371 unsigned long last_completion_time; 1372 unsigned long skipped_hb; 1373 struct timer_list hb_tmofunc; 1374 struct timer_list rrq_tmr; 1375 enum hba_temp_state over_temp_state; 1376 /* 1377 * Following bit will be set for all buffer tags which are not 1378 * associated with any HBQ. 1379 */ 1380 #define QUE_BUFTAG_BIT (1<<31) 1381 uint32_t buffer_tag_count; 1382 1383 /* Maximum number of events that can be outstanding at any time*/ 1384 #define LPFC_MAX_EVT_COUNT 512 1385 atomic_t fast_event_count; 1386 uint32_t fcoe_eventtag; 1387 uint32_t fcoe_eventtag_at_fcf_scan; 1388 uint32_t fcoe_cvl_eventtag; 1389 uint32_t fcoe_cvl_eventtag_attn; 1390 struct lpfc_fcf fcf; 1391 uint8_t fc_map[3]; 1392 uint8_t valid_vlan; 1393 uint16_t vlan_id; 1394 struct list_head fcf_conn_rec_list; 1395 1396 struct lpfc_defer_flogi_acc defer_flogi_acc; 1397 1398 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */ 1399 struct list_head ct_ev_waiters; 1400 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; 1401 uint32_t ctx_idx; 1402 struct timer_list inactive_vmid_poll; 1403 1404 /* RAS Support */ 1405 spinlock_t ras_fwlog_lock; /* do not take while holding another lock */ 1406 struct lpfc_ras_fwlog ras_fwlog; 1407 1408 uint32_t iocb_cnt; 1409 uint32_t iocb_max; 1410 atomic_t sdev_cnt; 1411 spinlock_t devicelock; /* lock for luns list */ 1412 mempool_t *device_data_mem_pool; 1413 struct list_head luns; 1414 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080 1415 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040 1416 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020 1417 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010 1418 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008 1419 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004 1420 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002 1421 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001 1422 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000 1423 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000 1424 uint16_t sfp_alarm; 1425 uint16_t sfp_warning; 1426 1427 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1428 uint16_t hdwqstat_on; 1429 #define LPFC_CHECK_OFF 0 1430 #define LPFC_CHECK_NVME_IO 1 1431 #define LPFC_CHECK_NVMET_IO 2 1432 #define LPFC_CHECK_SCSI_IO 4 1433 uint16_t ktime_on; 1434 uint64_t ktime_data_samples; 1435 uint64_t ktime_status_samples; 1436 uint64_t ktime_last_cmd; 1437 uint64_t ktime_seg1_total; 1438 uint64_t ktime_seg1_min; 1439 uint64_t ktime_seg1_max; 1440 uint64_t ktime_seg2_total; 1441 uint64_t ktime_seg2_min; 1442 uint64_t ktime_seg2_max; 1443 uint64_t ktime_seg3_total; 1444 uint64_t ktime_seg3_min; 1445 uint64_t ktime_seg3_max; 1446 uint64_t ktime_seg4_total; 1447 uint64_t ktime_seg4_min; 1448 uint64_t ktime_seg4_max; 1449 uint64_t ktime_seg5_total; 1450 uint64_t ktime_seg5_min; 1451 uint64_t ktime_seg5_max; 1452 uint64_t ktime_seg6_total; 1453 uint64_t ktime_seg6_min; 1454 uint64_t ktime_seg6_max; 1455 uint64_t ktime_seg7_total; 1456 uint64_t ktime_seg7_min; 1457 uint64_t ktime_seg7_max; 1458 uint64_t ktime_seg8_total; 1459 uint64_t ktime_seg8_min; 1460 uint64_t ktime_seg8_max; 1461 uint64_t ktime_seg9_total; 1462 uint64_t ktime_seg9_min; 1463 uint64_t ktime_seg9_max; 1464 uint64_t ktime_seg10_total; 1465 uint64_t ktime_seg10_min; 1466 uint64_t ktime_seg10_max; 1467 #endif 1468 /* CMF objects */ 1469 struct lpfc_cgn_stat __percpu *cmf_stat; 1470 uint32_t cmf_interval_rate; /* timer interval limit in ms */ 1471 uint32_t cmf_timer_cnt; 1472 #define LPFC_CMF_INTERVAL 90 1473 uint64_t cmf_link_byte_count; 1474 uint64_t cmf_max_line_rate; 1475 uint64_t cmf_max_bytes_per_interval; 1476 uint64_t cmf_last_sync_bw; 1477 #define LPFC_CMF_BLK_SIZE 512 1478 struct hrtimer cmf_timer; 1479 struct hrtimer cmf_stats_timer; /* 1 minute stats timer */ 1480 atomic_t cmf_bw_wait; 1481 atomic_t cmf_busy; 1482 atomic_t cmf_stop_io; /* To block request and stop IO's */ 1483 uint32_t cmf_active_mode; 1484 uint32_t cmf_info_per_interval; 1485 #define LPFC_MAX_CMF_INFO 32 1486 struct timespec64 cmf_latency; /* Interval congestion timestamp */ 1487 uint32_t cmf_last_ts; /* Interval congestion time (ms) */ 1488 uint32_t cmf_active_info; 1489 1490 /* Signal / FPIN handling for Congestion Mgmt */ 1491 u8 cgn_reg_fpin; /* Negotiated value from RDF */ 1492 u8 cgn_init_reg_fpin; /* Initial value from READ_CONFIG */ 1493 #define LPFC_CGN_FPIN_NONE 0x0 1494 #define LPFC_CGN_FPIN_WARN 0x1 1495 #define LPFC_CGN_FPIN_ALARM 0x2 1496 #define LPFC_CGN_FPIN_BOTH (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM) 1497 1498 u8 cgn_reg_signal; /* Negotiated value from EDC */ 1499 u8 cgn_init_reg_signal; /* Initial value from READ_CONFIG */ 1500 /* cgn_reg_signal and cgn_init_reg_signal use 1501 * enum fc_edc_cg_signal_cap_types 1502 */ 1503 u16 cgn_fpin_frequency; /* In units of msecs */ 1504 #define LPFC_FPIN_INIT_FREQ 0xffff 1505 u32 cgn_sig_freq; 1506 u32 cgn_acqe_cnt; 1507 1508 /* RX monitor handling for CMF */ 1509 struct lpfc_rx_info_monitor *rx_monitor; 1510 atomic_t rx_max_read_cnt; /* Maximum read bytes */ 1511 uint64_t rx_block_cnt; 1512 1513 /* Congestion parameters from flash */ 1514 struct lpfc_cgn_param cgn_p; 1515 1516 /* Statistics counter for ACQE cgn alarms and warnings */ 1517 struct lpfc_cgn_acqe_stat cgn_acqe_stat; 1518 1519 /* Congestion buffer information */ 1520 struct lpfc_dmabuf *cgn_i; /* Congestion Info buffer */ 1521 atomic_t cgn_fabric_warn_cnt; /* Total warning cgn events for info */ 1522 atomic_t cgn_fabric_alarm_cnt; /* Total alarm cgn events for info */ 1523 atomic_t cgn_sync_warn_cnt; /* Total warning events for SYNC wqe */ 1524 atomic_t cgn_sync_alarm_cnt; /* Total alarm events for SYNC wqe */ 1525 atomic_t cgn_driver_evt_cnt; /* Total driver cgn events for fmw */ 1526 atomic_t cgn_latency_evt_cnt; 1527 atomic64_t cgn_latency_evt; /* Avg latency per minute */ 1528 unsigned long cgn_evt_timestamp; 1529 #define LPFC_CGN_TIMER_TO_MIN 60000 /* ms in a minute */ 1530 uint32_t cgn_evt_minute; 1531 #define LPFC_SEC_MIN 60UL 1532 #define LPFC_MIN_HOUR 60 1533 #define LPFC_HOUR_DAY 24 1534 #define LPFC_MIN_DAY (LPFC_MIN_HOUR * LPFC_HOUR_DAY) 1535 1536 struct hlist_node cpuhp; /* used for cpuhp per hba callback */ 1537 struct timer_list cpuhp_poll_timer; 1538 struct list_head poll_list; /* slowpath eq polling list */ 1539 #define LPFC_POLL_HB 1 /* slowpath heartbeat */ 1540 1541 char os_host_name[MAXHOSTNAMELEN]; 1542 1543 /* LD Signaling */ 1544 u32 degrade_activate_threshold; 1545 u32 degrade_deactivate_threshold; 1546 u32 fec_degrade_interval; 1547 1548 atomic_t dbg_log_idx; 1549 atomic_t dbg_log_cnt; 1550 atomic_t dbg_log_dmping; 1551 struct dbg_log_ent dbg_log[DBG_LOG_SZ]; 1552 }; 1553 1554 #define LPFC_MAX_RXMONITOR_ENTRY 800 1555 #define LPFC_MAX_RXMONITOR_DUMP 32 1556 struct rx_info_entry { 1557 uint64_t cmf_bytes; /* Total no of read bytes for CMF_SYNC_WQE */ 1558 uint64_t total_bytes; /* Total no of read bytes requested */ 1559 uint64_t rcv_bytes; /* Total no of read bytes completed */ 1560 uint64_t avg_io_size; 1561 uint64_t avg_io_latency;/* Average io latency in microseconds */ 1562 uint64_t max_read_cnt; /* Maximum read bytes */ 1563 uint64_t max_bytes_per_interval; 1564 uint32_t cmf_busy; 1565 uint32_t cmf_info; /* CMF_SYNC_WQE info */ 1566 uint32_t io_cnt; 1567 uint32_t timer_utilization; 1568 uint32_t timer_interval; 1569 }; 1570 1571 struct lpfc_rx_info_monitor { 1572 struct rx_info_entry *ring; /* info organized in a circular buffer */ 1573 u32 head_idx, tail_idx; /* index to head/tail of ring */ 1574 spinlock_t lock; /* spinlock for ring */ 1575 u32 entries; /* storing number entries/size of ring */ 1576 }; 1577 1578 static inline struct Scsi_Host * 1579 lpfc_shost_from_vport(struct lpfc_vport *vport) 1580 { 1581 return container_of((void *) vport, struct Scsi_Host, hostdata[0]); 1582 } 1583 1584 static inline void 1585 lpfc_set_loopback_flag(struct lpfc_hba *phba) 1586 { 1587 if (phba->cfg_topology == FLAGS_LOCAL_LB) 1588 phba->link_flag |= LS_LOOPBACK_MODE; 1589 else 1590 phba->link_flag &= ~LS_LOOPBACK_MODE; 1591 } 1592 1593 static inline int 1594 lpfc_is_link_up(struct lpfc_hba *phba) 1595 { 1596 return phba->link_state == LPFC_LINK_UP || 1597 phba->link_state == LPFC_CLEAR_LA || 1598 phba->link_state == LPFC_HBA_READY; 1599 } 1600 1601 static inline void 1602 lpfc_worker_wake_up(struct lpfc_hba *phba) 1603 { 1604 /* Set the lpfc data pending flag */ 1605 set_bit(LPFC_DATA_READY, &phba->data_flags); 1606 1607 /* Wake up worker thread */ 1608 wake_up(&phba->work_waitq); 1609 return; 1610 } 1611 1612 static inline int 1613 lpfc_readl(void __iomem *addr, uint32_t *data) 1614 { 1615 uint32_t temp; 1616 temp = readl(addr); 1617 if (temp == 0xffffffff) 1618 return -EIO; 1619 *data = temp; 1620 return 0; 1621 } 1622 1623 static inline int 1624 lpfc_sli_read_hs(struct lpfc_hba *phba) 1625 { 1626 /* 1627 * There was a link/board error. Read the status register to retrieve 1628 * the error event and process it. 1629 */ 1630 phba->sli.slistat.err_attn_event++; 1631 1632 /* Save status info and check for unplug error */ 1633 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) || 1634 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) || 1635 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) { 1636 return -EIO; 1637 } 1638 1639 /* Clear chip Host Attention error bit */ 1640 writel(HA_ERATT, phba->HAregaddr); 1641 readl(phba->HAregaddr); /* flush */ 1642 phba->pport->stopped = 1; 1643 1644 return 0; 1645 } 1646 1647 static inline struct lpfc_sli_ring * 1648 lpfc_phba_elsring(struct lpfc_hba *phba) 1649 { 1650 /* Return NULL if sli_rev has become invalid due to bad fw */ 1651 if (phba->sli_rev != LPFC_SLI_REV4 && 1652 phba->sli_rev != LPFC_SLI_REV3 && 1653 phba->sli_rev != LPFC_SLI_REV2) 1654 return NULL; 1655 1656 if (phba->sli_rev == LPFC_SLI_REV4) { 1657 if (phba->sli4_hba.els_wq) 1658 return phba->sli4_hba.els_wq->pring; 1659 else 1660 return NULL; 1661 } 1662 return &phba->sli.sli3_ring[LPFC_ELS_RING]; 1663 } 1664 1665 /** 1666 * lpfc_next_online_cpu - Finds next online CPU on cpumask 1667 * @mask: Pointer to phba's cpumask member. 1668 * @start: starting cpu index 1669 * 1670 * Note: If no valid cpu found, then nr_cpu_ids is returned. 1671 * 1672 **/ 1673 static __always_inline unsigned int 1674 lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start) 1675 { 1676 return cpumask_next_and_wrap(start, mask, cpu_online_mask); 1677 } 1678 1679 /** 1680 * lpfc_next_present_cpu - Finds next present CPU after n 1681 * @n: the cpu prior to search 1682 * 1683 * Note: If no next present cpu, then fallback to first present cpu. 1684 * 1685 **/ 1686 static __always_inline unsigned int lpfc_next_present_cpu(int n) 1687 { 1688 return cpumask_next_wrap(n, cpu_present_mask); 1689 } 1690 1691 /** 1692 * lpfc_sli4_mod_hba_eq_delay - update EQ delay 1693 * @phba: Pointer to HBA context object. 1694 * @q: The Event Queue to update. 1695 * @delay: The delay value (in us) to be written. 1696 * 1697 **/ 1698 static inline void 1699 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq, 1700 u32 delay) 1701 { 1702 struct lpfc_register reg_data; 1703 1704 reg_data.word0 = 0; 1705 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id); 1706 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay); 1707 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr); 1708 eq->q_mode = delay; 1709 } 1710 1711 1712 /* 1713 * Macro that declares tables and a routine to perform enum type to 1714 * ascii string lookup. 1715 * 1716 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for 1717 * the enum to populate the table. Macro defines a routine (named 1718 * by caller) that will search all elements of the table for the key 1719 * and return the name string if found or "Unrecognized" if not found. 1720 */ 1721 #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \ 1722 static struct { \ 1723 enum enum_name value; \ 1724 char *name; \ 1725 } fc_##enum_name##_e2str_names[] = enum_init; \ 1726 static const char *routine(enum enum_name table_key) \ 1727 { \ 1728 int i; \ 1729 char *name = "Unrecognized"; \ 1730 \ 1731 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\ 1732 if (fc_##enum_name##_e2str_names[i].value == table_key) {\ 1733 name = fc_##enum_name##_e2str_names[i].name; \ 1734 break; \ 1735 } \ 1736 } \ 1737 return name; \ 1738 } 1739 1740 /** 1741 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types 1742 * @phba: Pointer to HBA context object. 1743 * 1744 * Relationship between the enable, target support and if vmid tag is required 1745 * for the particular combination 1746 * --------------------------------------------------- 1747 * Switch Enable Flag Target Support VMID Needed 1748 * --------------------------------------------------- 1749 * App Id 0 NA N 1750 * App Id 1 0 N 1751 * App Id 1 1 Y 1752 * Pr Tag 0 NA N 1753 * Pr Tag 1 0 N 1754 * Pr Tag 1 1 Y 1755 * Pr Tag 2 * Y 1756 --------------------------------------------------- 1757 * 1758 **/ 1759 static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba) 1760 { 1761 return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging; 1762 } 1763 1764 static inline 1765 u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1766 { 1767 if (phba->sli_rev == LPFC_SLI_REV4) 1768 return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl); 1769 else 1770 return iocbq->iocb.ulpStatus; 1771 } 1772 1773 static inline 1774 u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1775 { 1776 if (phba->sli_rev == LPFC_SLI_REV4) 1777 return iocbq->wcqe_cmpl.parameter; 1778 else 1779 return iocbq->iocb.un.ulpWord[4]; 1780 } 1781 1782 static inline 1783 u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1784 { 1785 if (phba->sli_rev == LPFC_SLI_REV4) 1786 return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com); 1787 else 1788 return iocbq->iocb.ulpCommand; 1789 } 1790 1791 static inline 1792 u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1793 { 1794 if (phba->sli_rev == LPFC_SLI_REV4) 1795 return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com); 1796 else 1797 return iocbq->iocb.ulpContext; 1798 } 1799 1800 static inline 1801 u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1802 { 1803 if (phba->sli_rev == LPFC_SLI_REV4) 1804 return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com); 1805 else 1806 return iocbq->iocb.unsli3.rcvsli3.ox_id; 1807 } 1808 1809 static inline 1810 u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1811 { 1812 if (phba->sli_rev == LPFC_SLI_REV4) 1813 return iocbq->wcqe_cmpl.total_data_placed; 1814 else 1815 return iocbq->iocb.un.genreq64.bdl.bdeSize; 1816 } 1817 1818 static inline 1819 u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1820 { 1821 if (phba->sli_rev == LPFC_SLI_REV4) 1822 return iocbq->wqe.abort_cmd.wqe_com.abort_tag; 1823 else 1824 return iocbq->iocb.un.acxri.abortIoTag; 1825 } 1826 1827 static inline 1828 u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1829 { 1830 if (phba->sli_rev == LPFC_SLI_REV4) 1831 return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest); 1832 else 1833 return iocbq->iocb.un.elsreq64.remoteID; 1834 } 1835