1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2023 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 37 #define LPFC_PCI_DEV_LP 0x1 38 #define LPFC_PCI_DEV_OC 0x2 39 40 #define LPFC_SLI_REV2 2 41 #define LPFC_SLI_REV3 3 42 #define LPFC_SLI_REV4 4 43 44 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */ 45 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els 46 requests */ 47 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact 48 the NameServer before giving up. */ 49 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ 50 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ 51 52 #define LPFC_DEFAULT_XPSGL_SIZE 256 53 #define LPFC_MAX_SG_TABLESIZE 0xffff 54 #define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */ 55 #define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */ 56 #define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */ 57 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */ 58 #define LPFC_MIN_SG_SEG_CNT 32 /* sg element count per scsi cmnd */ 59 #define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */ 60 #define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */ 61 #define LPFC_MAX_NVME_SEG_CNT 256 /* max SGL element cnt per NVME cmnd */ 62 63 #define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */ 64 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ 65 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ 66 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */ 67 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */ 68 #define LPFC_MIN_TGT_QDEPTH 10 69 #define LPFC_MAX_TGT_QDEPTH 0xFFFF 70 71 /* 72 * Following time intervals are used of adjusting SCSI device 73 * queue depths when there are driver resource error or Firmware 74 * resource error. 75 */ 76 /* 1 Second */ 77 #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 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; 307 308 309 #define LPFC_VMID_TIMER 300 /* timer interval in seconds */ 310 311 #define LPFC_MAX_VMID_SIZE 256 312 313 union lpfc_vmid_io_tag { 314 u32 app_id; /* App Id vmid */ 315 u8 cs_ctl_vmid; /* Priority tag vmid */ 316 }; 317 318 #define JIFFIES_PER_HR (HZ * 60 * 60) 319 320 struct lpfc_vmid { 321 u8 flag; 322 #define LPFC_VMID_SLOT_FREE 0x0 323 #define LPFC_VMID_SLOT_USED 0x1 324 #define LPFC_VMID_REQ_REGISTER 0x2 325 #define LPFC_VMID_REGISTERED 0x4 326 #define LPFC_VMID_DE_REGISTER 0x8 327 char host_vmid[LPFC_MAX_VMID_SIZE]; 328 union lpfc_vmid_io_tag un; 329 struct hlist_node hnode; 330 u64 io_rd_cnt; 331 u64 io_wr_cnt; 332 u8 vmid_len; 333 u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */ 334 u32 hash_index; 335 u64 __percpu *last_io_time; 336 }; 337 338 #define lpfc_vmid_is_type_priority_tag(vport)\ 339 (vport->vmid_priority_tagging ? 1 : 0) 340 341 #define LPFC_VMID_HASH_SIZE 256 342 #define LPFC_VMID_HASH_MASK 255 343 #define LPFC_VMID_HASH_SHIFT 6 344 345 struct lpfc_vmid_context { 346 struct lpfc_vmid *vmp; 347 struct lpfc_nodelist *nlp; 348 bool instantiated; 349 }; 350 351 struct lpfc_vmid_priority_range { 352 u8 low; 353 u8 high; 354 u8 qos; 355 }; 356 357 struct lpfc_vmid_priority_info { 358 u32 num_descriptors; 359 struct lpfc_vmid_priority_range *vmid_range; 360 }; 361 362 #define QFPA_EVEN_ONLY 0x01 363 #define QFPA_ODD_ONLY 0x02 364 #define QFPA_EVEN_ODD 0x03 365 366 enum discovery_state { 367 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ 368 LPFC_VPORT_FAILED = 1, /* vport has failed */ 369 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ 370 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ 371 LPFC_FDISC = 8, /* FDISC sent for vport */ 372 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id 373 * configured */ 374 LPFC_NS_REG = 10, /* Register with NameServer */ 375 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ 376 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for 377 * device authentication / discovery */ 378 LPFC_DISC_AUTH = 13, /* Processing ADISC list */ 379 LPFC_VPORT_READY = 32, 380 }; 381 382 enum hba_state { 383 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ 384 LPFC_WARM_START = 1, /* HBA state after selective reset */ 385 LPFC_INIT_START = 2, /* Initial state after board reset */ 386 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ 387 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ 388 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ 389 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue 390 * CLEAR_LA */ 391 LPFC_HBA_READY = 32, 392 LPFC_HBA_ERROR = -1 393 }; 394 395 struct lpfc_trunk_link_state { 396 enum hba_state state; 397 uint8_t fault; 398 }; 399 400 struct lpfc_trunk_link { 401 struct lpfc_trunk_link_state link0, 402 link1, 403 link2, 404 link3; 405 u32 phy_lnk_speed; 406 }; 407 408 /* Format of congestion module parameters */ 409 struct lpfc_cgn_param { 410 uint32_t cgn_param_magic; 411 uint8_t cgn_param_version; /* version 1 */ 412 uint8_t cgn_param_mode; /* 0=off 1=managed 2=monitor only */ 413 #define LPFC_CFG_OFF 0 414 #define LPFC_CFG_MANAGED 1 415 #define LPFC_CFG_MONITOR 2 416 uint8_t cgn_rsvd1; 417 uint8_t cgn_rsvd2; 418 uint8_t cgn_param_level0; 419 uint8_t cgn_param_level1; 420 uint8_t cgn_param_level2; 421 uint8_t byte11; 422 uint8_t byte12; 423 uint8_t byte13; 424 uint8_t byte14; 425 uint8_t byte15; 426 }; 427 428 /* Max number of days of congestion data */ 429 #define LPFC_MAX_CGN_DAYS 10 430 431 struct lpfc_cgn_ts { 432 uint8_t month; 433 uint8_t day; 434 uint8_t year; 435 uint8_t hour; 436 uint8_t minute; 437 uint8_t second; 438 }; 439 440 /* Format of congestion buffer info 441 * This structure defines memory thats allocated and registered with 442 * the HBA firmware. When adding or removing fields from this structure 443 * the alignment must match the HBA firmware. 444 */ 445 446 struct lpfc_cgn_info { 447 /* Header */ 448 __le16 cgn_info_size; /* is sizeof(struct lpfc_cgn_info) */ 449 uint8_t cgn_info_version; /* represents format of structure */ 450 #define LPFC_CGN_INFO_V1 1 451 #define LPFC_CGN_INFO_V2 2 452 #define LPFC_CGN_INFO_V3 3 453 #define LPFC_CGN_INFO_V4 4 454 uint8_t cgn_info_mode; /* 0=off 1=managed 2=monitor only */ 455 uint8_t cgn_info_detect; 456 uint8_t cgn_info_action; 457 uint8_t cgn_info_level0; 458 uint8_t cgn_info_level1; 459 uint8_t cgn_info_level2; 460 461 /* Start Time */ 462 struct lpfc_cgn_ts base_time; 463 464 /* minute / hours / daily indices */ 465 uint8_t cgn_index_minute; 466 uint8_t cgn_index_hour; 467 uint8_t cgn_index_day; 468 469 __le16 cgn_warn_freq; 470 __le16 cgn_alarm_freq; 471 __le16 cgn_lunq; 472 uint8_t cgn_pad1[8]; 473 474 /* Driver Information */ 475 __le16 cgn_drvr_min[60]; 476 __le32 cgn_drvr_hr[24]; 477 __le32 cgn_drvr_day[LPFC_MAX_CGN_DAYS]; 478 479 /* Congestion Warnings */ 480 __le16 cgn_warn_min[60]; 481 __le32 cgn_warn_hr[24]; 482 __le32 cgn_warn_day[LPFC_MAX_CGN_DAYS]; 483 484 /* Latency Information */ 485 __le32 cgn_latency_min[60]; 486 __le32 cgn_latency_hr[24]; 487 __le32 cgn_latency_day[LPFC_MAX_CGN_DAYS]; 488 489 /* Bandwidth Information */ 490 __le16 cgn_bw_min[60]; 491 __le16 cgn_bw_hr[24]; 492 __le16 cgn_bw_day[LPFC_MAX_CGN_DAYS]; 493 494 /* Congestion Alarms */ 495 __le16 cgn_alarm_min[60]; 496 __le32 cgn_alarm_hr[24]; 497 __le32 cgn_alarm_day[LPFC_MAX_CGN_DAYS]; 498 499 struct_group(cgn_stat, 500 uint8_t cgn_stat_npm; /* Notifications per minute */ 501 502 /* Start Time */ 503 struct lpfc_cgn_ts stat_start; /* Base time */ 504 uint8_t cgn_pad2; 505 506 __le32 cgn_notification; 507 __le32 cgn_peer_notification; 508 __le32 link_integ_notification; 509 __le32 delivery_notification; 510 struct lpfc_cgn_ts stat_fpin; /* Last congestion notification FPIN */ 511 struct lpfc_cgn_ts stat_peer; /* Last peer congestion FPIN */ 512 struct lpfc_cgn_ts stat_lnk; /* Last link integrity FPIN */ 513 struct lpfc_cgn_ts stat_delivery; /* Last delivery notification FPIN */ 514 ); 515 516 __le32 cgn_info_crc; 517 #define LPFC_CGN_CRC32_MAGIC_NUMBER 0x1EDC6F41 518 #define LPFC_CGN_CRC32_SEED 0xFFFFFFFF 519 }; 520 521 #define LPFC_CGN_INFO_SZ (sizeof(struct lpfc_cgn_info) - \ 522 sizeof(uint32_t)) 523 524 struct lpfc_cgn_stat { 525 atomic64_t total_bytes; 526 atomic64_t rcv_bytes; 527 atomic64_t rx_latency; 528 #define LPFC_CGN_NOT_SENT 0xFFFFFFFFFFFFFFFFLL 529 atomic_t rx_io_cnt; 530 }; 531 532 struct lpfc_cgn_acqe_stat { 533 atomic64_t alarm; 534 atomic64_t warn; 535 }; 536 537 struct lpfc_vport { 538 struct lpfc_hba *phba; 539 struct list_head listentry; 540 uint8_t port_type; 541 #define LPFC_PHYSICAL_PORT 1 542 #define LPFC_NPIV_PORT 2 543 #define LPFC_FABRIC_PORT 3 544 enum discovery_state port_state; 545 546 uint16_t vpi; 547 uint16_t vfi; 548 uint8_t vpi_state; 549 #define LPFC_VPI_REGISTERED 0x1 550 551 uint32_t fc_flag; /* FC flags */ 552 /* Several of these flags are HBA centric and should be moved to 553 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) 554 */ 555 #define FC_PT2PT 0x1 /* pt2pt with no fabric */ 556 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ 557 #define FC_DISC_TMO 0x4 /* Discovery timer running */ 558 #define FC_PUBLIC_LOOP 0x8 /* Public loop */ 559 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ 560 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ 561 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ 562 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ 563 #define FC_FABRIC 0x100 /* We are fabric attached */ 564 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */ 565 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ 566 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/ 567 #define FC_PT2PT_NO_NVME 0x1000 /* Don't send NVME PRLI */ 568 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ 569 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ 570 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ 571 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ 572 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ 573 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ 574 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */ 575 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */ 576 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */ 577 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */ 578 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */ 579 580 uint32_t ct_flags; 581 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ 582 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ 583 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ 584 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ 585 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ 586 #define FC_CT_RPRT_DEFER 0x20 /* Defer issuing FDMI RPRT */ 587 588 struct list_head fc_nodes; 589 590 /* Keep counters for the number of entries in each list. */ 591 uint16_t fc_plogi_cnt; 592 uint16_t fc_adisc_cnt; 593 uint16_t fc_reglogin_cnt; 594 uint16_t fc_prli_cnt; 595 uint16_t fc_unmap_cnt; 596 uint16_t fc_map_cnt; 597 uint16_t fc_npr_cnt; 598 uint16_t fc_unused_cnt; 599 struct serv_parm fc_sparam; /* buffer for our service parameters */ 600 601 uint32_t fc_myDID; /* fibre channel S_ID */ 602 uint32_t fc_prevDID; /* previous fibre channel S_ID */ 603 struct lpfc_name fabric_portname; 604 struct lpfc_name fabric_nodename; 605 606 int32_t stopped; /* HBA has not been restarted since last ERATT */ 607 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 608 609 uint32_t num_disc_nodes; /* in addition to hba_state */ 610 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */ 611 612 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ 613 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ 614 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ 615 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 616 struct lpfc_name fc_nodename; /* fc nodename */ 617 struct lpfc_name fc_portname; /* fc portname */ 618 619 struct lpfc_work_evt disc_timeout_evt; 620 621 struct timer_list fc_disctmo; /* Discovery rescue timer */ 622 uint8_t fc_ns_retry; /* retries for fabric nameserver */ 623 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ 624 625 spinlock_t work_port_lock; 626 uint32_t work_port_events; /* Timeout to be handled */ 627 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ 628 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ 629 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */ 630 631 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ 632 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ 633 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ 634 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ 635 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ 636 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */ 637 #define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */ 638 #define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs 639 * to be issued */ 640 641 struct timer_list els_tmofunc; 642 struct timer_list delayed_disc_tmo; 643 644 uint8_t load_flag; 645 #define FC_LOADING 0x1 /* HBA in process of loading drvr */ 646 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ 647 #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */ 648 #define FC_ALLOW_VMID 0x8 /* Allow VMID I/Os */ 649 #define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all VMIDs */ 650 /* Vport Config Parameters */ 651 uint32_t cfg_scan_down; 652 uint32_t cfg_lun_queue_depth; 653 uint32_t cfg_nodev_tmo; 654 uint32_t cfg_devloss_tmo; 655 uint32_t cfg_restrict_login; 656 uint32_t cfg_peer_port_login; 657 uint32_t cfg_fcp_class; 658 uint32_t cfg_use_adisc; 659 uint32_t cfg_discovery_threads; 660 uint32_t cfg_log_verbose; 661 uint32_t cfg_enable_fc4_type; 662 uint32_t cfg_max_luns; 663 uint32_t cfg_enable_da_id; 664 uint32_t cfg_max_scsicmpl_time; 665 uint32_t cfg_tgt_queue_depth; 666 uint32_t cfg_first_burst_size; 667 uint32_t dev_loss_tmo_changed; 668 /* VMID parameters */ 669 u8 lpfc_vmid_host_uuid[16]; 670 u32 max_vmid; /* maximum VMIDs allowed per port */ 671 u32 cur_vmid_cnt; /* Current VMID count */ 672 #define LPFC_MIN_VMID 4 673 #define LPFC_MAX_VMID 255 674 u32 vmid_inactivity_timeout; /* Time after which the VMID */ 675 /* deregisters from switch */ 676 u32 vmid_priority_tagging; 677 #define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */ 678 #define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */ 679 #define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */ 680 unsigned long *vmid_priority_range; 681 #define LPFC_VMID_MAX_PRIORITY_RANGE 256 682 #define LPFC_VMID_PRIORITY_BITMAP_SIZE 32 683 u8 vmid_flag; 684 #define LPFC_VMID_IN_USE 0x1 685 #define LPFC_VMID_ISSUE_QFPA 0x2 686 #define LPFC_VMID_QFPA_CMPL 0x4 687 #define LPFC_VMID_QOS_ENABLED 0x8 688 #define LPFC_VMID_TIMER_ENBLD 0x10 689 #define LPFC_VMID_TYPE_PRIO 0x20 690 struct fc_qfpa_res *qfpa_res; 691 692 struct fc_vport *fc_vport; 693 694 struct lpfc_vmid *vmid; 695 DECLARE_HASHTABLE(hash_table, 8); 696 rwlock_t vmid_lock; 697 struct lpfc_vmid_priority_info vmid_priority; 698 699 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 700 struct dentry *debug_disc_trc; 701 struct dentry *debug_nodelist; 702 struct dentry *debug_nvmestat; 703 struct dentry *debug_scsistat; 704 struct dentry *debug_ioktime; 705 struct dentry *debug_hdwqstat; 706 struct dentry *vport_debugfs_root; 707 struct lpfc_debugfs_trc *disc_trc; 708 atomic_t disc_trc_cnt; 709 #endif 710 struct list_head rcv_buffer_list; 711 unsigned long rcv_buffer_time_stamp; 712 uint32_t vport_flag; 713 #define STATIC_VPORT 0x1 714 #define FAWWPN_PARAM_CHG 0x2 715 716 uint16_t fdmi_num_disc; 717 uint32_t fdmi_hba_mask; 718 uint32_t fdmi_port_mask; 719 720 /* There is a single nvme instance per vport. */ 721 struct nvme_fc_local_port *localport; 722 uint8_t nvmei_support; /* driver supports NVME Initiator */ 723 uint32_t last_fcp_wqidx; 724 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */ 725 }; 726 727 struct hbq_s { 728 uint16_t entry_count; /* Current number of HBQ slots */ 729 uint16_t buffer_count; /* Current number of buffers posted */ 730 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ 731 uint32_t hbqPutIdx; /* HBQ slot to use */ 732 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ 733 void *hbq_virt; /* Virtual ptr to this hbq */ 734 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ 735 /* Callback for HBQ buffer allocation */ 736 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); 737 /* Callback for HBQ buffer free */ 738 void (*hbq_free_buffer) (struct lpfc_hba *, 739 struct hbq_dmabuf *); 740 }; 741 742 /* this matches the position in the lpfc_hbq_defs array */ 743 #define LPFC_ELS_HBQ 0 744 #define LPFC_MAX_HBQS 1 745 746 enum hba_temp_state { 747 HBA_NORMAL_TEMP, 748 HBA_OVER_TEMP 749 }; 750 751 enum intr_type_t { 752 NONE = 0, 753 INTx, 754 MSI, 755 MSIX, 756 }; 757 758 #define LPFC_CT_CTX_MAX 64 759 struct unsol_rcv_ct_ctx { 760 uint32_t ctxt_id; 761 uint32_t SID; 762 uint32_t valid; 763 #define UNSOL_INVALID 0 764 #define UNSOL_VALID 1 765 uint16_t oxid; 766 uint16_t rxid; 767 }; 768 769 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/ 770 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */ 771 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */ 772 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */ 773 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */ 774 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */ 775 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */ 776 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */ 777 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */ 778 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G 779 780 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64" 781 782 enum nemb_type { 783 nemb_mse = 1, 784 nemb_hbd 785 }; 786 787 enum mbox_type { 788 mbox_rd = 1, 789 mbox_wr 790 }; 791 792 enum dma_type { 793 dma_mbox = 1, 794 dma_ebuf 795 }; 796 797 enum sta_type { 798 sta_pre_addr = 1, 799 sta_pos_addr 800 }; 801 802 struct lpfc_mbox_ext_buf_ctx { 803 uint32_t state; 804 #define LPFC_BSG_MBOX_IDLE 0 805 #define LPFC_BSG_MBOX_HOST 1 806 #define LPFC_BSG_MBOX_PORT 2 807 #define LPFC_BSG_MBOX_DONE 3 808 #define LPFC_BSG_MBOX_ABTS 4 809 enum nemb_type nembType; 810 enum mbox_type mboxType; 811 uint32_t numBuf; 812 uint32_t mbxTag; 813 uint32_t seqNum; 814 struct lpfc_dmabuf *mbx_dmabuf; 815 struct list_head ext_dmabuf_list; 816 }; 817 818 struct lpfc_epd_pool { 819 /* Expedite pool */ 820 struct list_head list; 821 u32 count; 822 spinlock_t lock; /* lock for expedite pool */ 823 }; 824 825 enum ras_state { 826 INACTIVE, 827 REG_INPROGRESS, 828 ACTIVE 829 }; 830 831 struct lpfc_ras_fwlog { 832 uint8_t *fwlog_buff; 833 uint32_t fw_buffcount; /* Buffer size posted to FW */ 834 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */ 835 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024) 836 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024) 837 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024) 838 uint32_t fw_loglevel; /* Log level set */ 839 struct lpfc_dmabuf lwpd; 840 struct list_head fwlog_buff_list; 841 842 /* RAS support status on adapter */ 843 bool ras_hwsupport; /* RAS Support available on HW or not */ 844 bool ras_enabled; /* Ras Enabled for the function */ 845 #define LPFC_RAS_DISABLE_LOGGING 0x00 846 #define LPFC_RAS_ENABLE_LOGGING 0x01 847 enum ras_state state; /* RAS logging running state */ 848 }; 849 850 #define DBG_LOG_STR_SZ 256 851 #define DBG_LOG_SZ 256 852 853 struct dbg_log_ent { 854 char log[DBG_LOG_STR_SZ]; 855 u64 t_ns; 856 }; 857 858 enum lpfc_irq_chann_mode { 859 /* Assign IRQs to all possible cpus that have hardware queues */ 860 NORMAL_MODE, 861 862 /* Assign IRQs only to cpus on the same numa node as HBA */ 863 NUMA_MODE, 864 865 /* Assign IRQs only on non-hyperthreaded CPUs. This is the 866 * same as normal_mode, but assign IRQS only on physical CPUs. 867 */ 868 NHT_MODE, 869 }; 870 871 enum lpfc_hba_bit_flags { 872 FABRIC_COMANDS_BLOCKED, 873 HBA_PCI_ERR, 874 MBX_TMO_ERR, 875 }; 876 877 struct lpfc_hba { 878 /* SCSI interface function jump table entries */ 879 struct lpfc_io_buf * (*lpfc_get_scsi_buf) 880 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, 881 struct scsi_cmnd *cmnd); 882 int (*lpfc_scsi_prep_dma_buf) 883 (struct lpfc_hba *, struct lpfc_io_buf *); 884 void (*lpfc_scsi_unprep_dma_buf) 885 (struct lpfc_hba *, struct lpfc_io_buf *); 886 void (*lpfc_release_scsi_buf) 887 (struct lpfc_hba *, struct lpfc_io_buf *); 888 void (*lpfc_rampdown_queue_depth) 889 (struct lpfc_hba *); 890 void (*lpfc_scsi_prep_cmnd) 891 (struct lpfc_vport *, struct lpfc_io_buf *, 892 struct lpfc_nodelist *); 893 int (*lpfc_scsi_prep_cmnd_buf) 894 (struct lpfc_vport *vport, 895 struct lpfc_io_buf *lpfc_cmd, 896 uint8_t tmo); 897 int (*lpfc_scsi_prep_task_mgmt_cmd) 898 (struct lpfc_vport *vport, 899 struct lpfc_io_buf *lpfc_cmd, 900 u64 lun, u8 task_mgmt_cmd); 901 902 /* IOCB interface function jump table entries */ 903 int (*__lpfc_sli_issue_iocb) 904 (struct lpfc_hba *, uint32_t, 905 struct lpfc_iocbq *, uint32_t); 906 int (*__lpfc_sli_issue_fcp_io) 907 (struct lpfc_hba *phba, uint32_t ring_number, 908 struct lpfc_iocbq *piocb, uint32_t flag); 909 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, 910 struct lpfc_iocbq *); 911 int (*lpfc_hba_down_post)(struct lpfc_hba *phba); 912 913 /* MBOX interface function jump table entries */ 914 int (*lpfc_sli_issue_mbox) 915 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 916 917 /* Slow-path IOCB process function jump table entries */ 918 void (*lpfc_sli_handle_slow_ring_event) 919 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 920 uint32_t mask); 921 922 /* INIT device interface function jump table entries */ 923 int (*lpfc_sli_hbq_to_firmware) 924 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); 925 int (*lpfc_sli_brdrestart) 926 (struct lpfc_hba *); 927 int (*lpfc_sli_brdready) 928 (struct lpfc_hba *, uint32_t); 929 void (*lpfc_handle_eratt) 930 (struct lpfc_hba *); 931 void (*lpfc_stop_port) 932 (struct lpfc_hba *); 933 int (*lpfc_hba_init_link) 934 (struct lpfc_hba *, uint32_t); 935 int (*lpfc_hba_down_link) 936 (struct lpfc_hba *, uint32_t); 937 int (*lpfc_selective_reset) 938 (struct lpfc_hba *); 939 940 int (*lpfc_bg_scsi_prep_dma_buf) 941 (struct lpfc_hba *, struct lpfc_io_buf *); 942 943 /* Prep SLI WQE/IOCB jump table entries */ 944 void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq, 945 struct lpfc_vport *vport, 946 struct lpfc_dmabuf *bmp, 947 u16 cmd_size, u32 did, u32 elscmd, 948 u8 tmo, u8 expect_rsp); 949 void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq, 950 struct lpfc_dmabuf *bmp, u16 rpi, 951 u32 num_entry, u8 tmo); 952 void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq, 953 struct lpfc_dmabuf *bmp, u16 rpi, 954 u16 ox_id, u32 num_entry, u8 rctl, 955 u8 last_seq, u8 cr_cx_cmd); 956 void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq, 957 u16 ulp_context, u16 iotag, 958 u8 ulp_class, u16 cqid, bool ia, 959 bool wqec); 960 961 /* expedite pool */ 962 struct lpfc_epd_pool epd_pool; 963 964 /* SLI4 specific HBA data structure */ 965 struct lpfc_sli4_hba sli4_hba; 966 967 struct workqueue_struct *wq; 968 struct delayed_work eq_delay_work; 969 970 #define LPFC_IDLE_STAT_DELAY 1000 971 struct delayed_work idle_stat_delay_work; 972 973 struct lpfc_sli sli; 974 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */ 975 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */ 976 uint32_t sli3_options; /* Mask of enabled SLI3 options */ 977 #define LPFC_SLI3_HBQ_ENABLED 0x01 978 #define LPFC_SLI3_NPIV_ENABLED 0x02 979 #define LPFC_SLI3_VPORT_TEARDOWN 0x04 980 #define LPFC_SLI3_CRP_ENABLED 0x08 981 #define LPFC_SLI3_BG_ENABLED 0x20 982 #define LPFC_SLI3_DSS_ENABLED 0x40 983 #define LPFC_SLI4_PERFH_ENABLED 0x80 984 #define LPFC_SLI4_PHWQ_ENABLED 0x100 985 uint32_t iocb_cmd_size; 986 uint32_t iocb_rsp_size; 987 988 struct lpfc_trunk_link trunk_link; 989 enum hba_state link_state; 990 uint32_t link_flag; /* link state flags */ 991 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ 992 /* This flag is set while issuing */ 993 /* INIT_LINK mailbox command */ 994 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 995 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ 996 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */ 997 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */ 998 #define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */ 999 #define LS_EXTERNAL_LOOPBACK 0x40 /* External loopback plug inserted */ 1000 1001 uint32_t hba_flag; /* hba generic flags */ 1002 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ 1003 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */ 1004 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */ 1005 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/ 1006 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */ 1007 #define HBA_PERSISTENT_TOPO 0x20 /* Persistent topology support in hba */ 1008 #define ELS_XRI_ABORT_EVENT 0x40 /* ELS_XRI abort event was queued */ 1009 #define ASYNC_EVENT 0x80 1010 #define LINK_DISABLED 0x100 /* Link disabled by user */ 1011 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */ 1012 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */ 1013 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */ 1014 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */ 1015 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */ 1016 #define HBA_IOQ_FLUSH 0x8000 /* FCP/NVME I/O queues being flushed */ 1017 #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */ 1018 #define HBA_FORCED_LINK_SPEED 0x40000 /* 1019 * Firmware supports Forced Link Speed 1020 * capability 1021 */ 1022 #define HBA_FLOGI_ISSUED 0x100000 /* FLOGI was issued */ 1023 #define HBA_DEFER_FLOGI 0x800000 /* Defer FLOGI till read_sparm cmpl */ 1024 #define HBA_SETUP 0x1000000 /* Signifies HBA setup is completed */ 1025 #define HBA_NEEDS_CFG_PORT 0x2000000 /* SLI3 - needs a CONFIG_PORT mbox */ 1026 #define HBA_HBEAT_INP 0x4000000 /* mbox HBEAT is in progress */ 1027 #define HBA_HBEAT_TMO 0x8000000 /* HBEAT initiated after timeout */ 1028 #define HBA_FLOGI_OUTSTANDING 0x10000000 /* FLOGI is outstanding */ 1029 #define HBA_RHBA_CMPL 0x20000000 /* RHBA FDMI command is successful */ 1030 1031 struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */ 1032 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ 1033 struct lpfc_dmabuf slim2p; 1034 1035 MAILBOX_t *mbox; 1036 uint32_t *mbox_ext; 1037 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx; 1038 uint32_t ha_copy; 1039 struct _PCB *pcb; 1040 struct _IOCB *IOCBs; 1041 1042 struct lpfc_dmabuf hbqslimp; 1043 1044 uint16_t pci_cfg_value; 1045 1046 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 1047 1048 uint32_t fc_eventTag; /* event tag for link attention */ 1049 uint32_t link_events; 1050 1051 /* These fields used to be binfo */ 1052 uint32_t fc_pref_DID; /* preferred D_ID */ 1053 uint8_t fc_pref_ALPA; /* preferred AL_PA */ 1054 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */ 1055 uint32_t fc_edtov; /* E_D_TOV timer value */ 1056 uint32_t fc_arbtov; /* ARB_TOV timer value */ 1057 uint32_t fc_ratov; /* R_A_TOV timer value */ 1058 uint32_t fc_rttov; /* R_T_TOV timer value */ 1059 uint32_t fc_altov; /* AL_TOV timer value */ 1060 uint32_t fc_crtov; /* C_R_TOV timer value */ 1061 1062 struct serv_parm fc_fabparam; /* fabric service parameters buffer */ 1063 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ 1064 1065 uint32_t lmt; 1066 1067 uint32_t fc_topology; /* link topology, from LINK INIT */ 1068 uint32_t fc_topology_changed; /* link topology, from LINK INIT */ 1069 1070 struct lpfc_stats fc_stat; 1071 1072 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ 1073 uint32_t nport_event_cnt; /* timestamp for nlplist entry */ 1074 1075 uint8_t wwnn[8]; 1076 uint8_t wwpn[8]; 1077 uint32_t RandomData[7]; 1078 uint8_t fcp_embed_io; 1079 uint8_t nvmet_support; /* driver supports NVMET */ 1080 #define LPFC_NVMET_MAX_PORTS 32 1081 uint8_t mds_diags_support; 1082 uint8_t bbcredit_support; 1083 uint8_t enab_exp_wqcq_pages; 1084 u8 nsler; /* Firmware supports FC-NVMe-2 SLER */ 1085 1086 /* HBA Config Parameters */ 1087 uint32_t cfg_ack0; 1088 uint32_t cfg_xri_rebalancing; 1089 uint32_t cfg_xpsgl; 1090 uint32_t cfg_enable_npiv; 1091 uint32_t cfg_enable_rrq; 1092 uint32_t cfg_topology; 1093 uint32_t cfg_link_speed; 1094 #define LPFC_FCF_FOV 1 /* Fast fcf failover */ 1095 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */ 1096 uint32_t cfg_fcf_failover_policy; 1097 uint32_t cfg_fcp_io_sched; 1098 uint32_t cfg_ns_query; 1099 uint32_t cfg_fcp2_no_tgt_reset; 1100 uint32_t cfg_cr_delay; 1101 uint32_t cfg_cr_count; 1102 uint32_t cfg_multi_ring_support; 1103 uint32_t cfg_multi_ring_rctl; 1104 uint32_t cfg_multi_ring_type; 1105 uint32_t cfg_poll; 1106 uint32_t cfg_poll_tmo; 1107 uint32_t cfg_task_mgmt_tmo; 1108 uint32_t cfg_use_msi; 1109 uint32_t cfg_auto_imax; 1110 uint32_t cfg_fcp_imax; 1111 uint32_t cfg_force_rscn; 1112 uint32_t cfg_cq_poll_threshold; 1113 uint32_t cfg_cq_max_proc_limit; 1114 uint32_t cfg_fcp_cpu_map; 1115 uint32_t cfg_fcp_mq_threshold; 1116 uint32_t cfg_hdw_queue; 1117 uint32_t cfg_irq_chann; 1118 uint32_t cfg_suppress_rsp; 1119 uint32_t cfg_nvme_oas; 1120 uint32_t cfg_nvme_embed_cmd; 1121 uint32_t cfg_nvmet_mrq_post; 1122 uint32_t cfg_nvmet_mrq; 1123 uint32_t cfg_enable_nvmet; 1124 uint32_t cfg_nvme_enable_fb; 1125 uint32_t cfg_nvmet_fb_size; 1126 uint32_t cfg_total_seg_cnt; 1127 uint32_t cfg_sg_seg_cnt; 1128 uint32_t cfg_nvme_seg_cnt; 1129 uint32_t cfg_scsi_seg_cnt; 1130 uint32_t cfg_sg_dma_buf_size; 1131 uint32_t cfg_hba_queue_depth; 1132 uint32_t cfg_enable_hba_reset; 1133 uint32_t cfg_enable_hba_heartbeat; 1134 uint32_t cfg_fof; 1135 uint32_t cfg_EnableXLane; 1136 uint8_t cfg_oas_tgt_wwpn[8]; 1137 uint8_t cfg_oas_vpt_wwpn[8]; 1138 uint32_t cfg_oas_lun_state; 1139 #define OAS_LUN_ENABLE 1 1140 #define OAS_LUN_DISABLE 0 1141 uint32_t cfg_oas_lun_status; 1142 #define OAS_LUN_STATUS_EXISTS 0x01 1143 uint32_t cfg_oas_flags; 1144 #define OAS_FIND_ANY_VPORT 0x01 1145 #define OAS_FIND_ANY_TARGET 0x02 1146 #define OAS_LUN_VALID 0x04 1147 uint32_t cfg_oas_priority; 1148 uint32_t cfg_XLanePriority; 1149 uint32_t cfg_enable_bg; 1150 uint32_t cfg_prot_mask; 1151 uint32_t cfg_prot_guard; 1152 uint32_t cfg_hostmem_hgp; 1153 uint32_t cfg_log_verbose; 1154 uint32_t cfg_enable_fc4_type; 1155 #define LPFC_ENABLE_FCP 1 1156 #define LPFC_ENABLE_NVME 2 1157 #define LPFC_ENABLE_BOTH 3 1158 #if (IS_ENABLED(CONFIG_NVME_FC)) 1159 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH 1160 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH 1161 #else 1162 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP 1163 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP 1164 #endif 1165 uint32_t cfg_sriov_nr_virtfn; 1166 uint32_t cfg_request_firmware_upgrade; 1167 uint32_t cfg_suppress_link_up; 1168 uint32_t cfg_rrq_xri_bitmap_sz; 1169 u32 cfg_fcp_wait_abts_rsp; 1170 uint32_t cfg_delay_discovery; 1171 uint32_t cfg_sli_mode; 1172 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */ 1173 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */ 1174 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */ 1175 uint32_t cfg_fdmi_on; 1176 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */ 1177 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */ 1178 uint32_t cfg_enable_SmartSAN; 1179 uint32_t cfg_enable_mds_diags; 1180 uint32_t cfg_ras_fwlog_level; 1181 uint32_t cfg_ras_fwlog_buffsize; 1182 uint32_t cfg_ras_fwlog_func; 1183 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */ 1184 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */ 1185 uint32_t cfg_enable_pbde; 1186 uint32_t cfg_enable_mi; 1187 struct nvmet_fc_target_port *targetport; 1188 lpfc_vpd_t vpd; /* vital product data */ 1189 1190 u32 cfg_max_vmid; /* maximum VMIDs allowed per port */ 1191 u32 cfg_vmid_app_header; 1192 #define LPFC_VMID_APP_HEADER_DISABLE 0 1193 #define LPFC_VMID_APP_HEADER_ENABLE 1 1194 u32 cfg_vmid_priority_tagging; 1195 u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */ 1196 /* deregisters from switch */ 1197 struct pci_dev *pcidev; 1198 struct list_head work_list; 1199 uint32_t work_ha; /* Host Attention Bits for WT */ 1200 uint32_t work_ha_mask; /* HA Bits owned by WT */ 1201 uint32_t work_hs; /* HS stored in case of ERRAT */ 1202 uint32_t work_status[2]; /* Extra status from SLIM */ 1203 1204 wait_queue_head_t work_waitq; 1205 struct task_struct *worker_thread; 1206 unsigned long data_flags; 1207 uint32_t border_sge_num; 1208 1209 uint32_t hbq_in_use; /* HBQs in use flag */ 1210 uint32_t hbq_count; /* Count of configured HBQs */ 1211 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 1212 1213 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */ 1214 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */ 1215 1216 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */ 1217 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */ 1218 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */ 1219 void __iomem *slim_memmap_p; /* Kernel memory mapped address for 1220 PCI BAR0 */ 1221 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for 1222 PCI BAR2 */ 1223 1224 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for 1225 PCI BAR0 with dual-ULP support */ 1226 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for 1227 PCI BAR2 with dual-ULP support */ 1228 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for 1229 PCI BAR4 with dual-ULP support */ 1230 #define PCI_64BIT_BAR0 0 1231 #define PCI_64BIT_BAR2 2 1232 #define PCI_64BIT_BAR4 4 1233 void __iomem *MBslimaddr; /* virtual address for mbox cmds */ 1234 void __iomem *HAregaddr; /* virtual address for host attn reg */ 1235 void __iomem *CAregaddr; /* virtual address for chip attn reg */ 1236 void __iomem *HSregaddr; /* virtual address for host status 1237 reg */ 1238 void __iomem *HCregaddr; /* virtual address for host ctl reg */ 1239 1240 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ 1241 struct lpfc_pgp *port_gp; 1242 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ 1243 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ 1244 1245 int brd_no; /* FC board number */ 1246 char SerialNumber[32]; /* adapter Serial Number */ 1247 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ 1248 char BIOSVersion[16]; /* Boot BIOS version */ 1249 char ModelDesc[256]; /* Model Description */ 1250 char ModelName[80]; /* Model Name */ 1251 char ProgramType[256]; /* Program Type */ 1252 char Port[20]; /* Port No */ 1253 uint8_t vpd_flag; /* VPD data flag */ 1254 1255 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ 1256 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ 1257 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ 1258 #define VPD_PORT 0x8 /* valid vpd port data */ 1259 #define VPD_MASK 0xf /* mask for any vpd data */ 1260 1261 1262 struct timer_list fcp_poll_timer; 1263 struct timer_list eratt_poll; 1264 uint32_t eratt_poll_interval; 1265 1266 uint64_t bg_guard_err_cnt; 1267 uint64_t bg_apptag_err_cnt; 1268 uint64_t bg_reftag_err_cnt; 1269 1270 /* fastpath list. */ 1271 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */ 1272 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */ 1273 struct list_head lpfc_scsi_buf_list_get; 1274 struct list_head lpfc_scsi_buf_list_put; 1275 uint32_t total_scsi_bufs; 1276 struct list_head lpfc_iocb_list; 1277 uint32_t total_iocbq_bufs; 1278 struct list_head active_rrq_list; 1279 spinlock_t hbalock; 1280 struct work_struct unblock_request_work; /* SCSI layer unblock IOs */ 1281 1282 /* dma_mem_pools */ 1283 struct dma_pool *lpfc_sg_dma_buf_pool; 1284 struct dma_pool *lpfc_mbuf_pool; 1285 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */ 1286 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */ 1287 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */ 1288 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ 1289 struct dma_pool *lpfc_cmd_rsp_buf_pool; 1290 struct lpfc_dma_pool lpfc_mbuf_safety_pool; 1291 1292 mempool_t *mbox_mem_pool; 1293 mempool_t *nlp_mem_pool; 1294 mempool_t *rrq_pool; 1295 mempool_t *active_rrq_pool; 1296 1297 struct fc_host_statistics link_stats; 1298 enum lpfc_irq_chann_mode irq_chann_mode; 1299 enum intr_type_t intr_type; 1300 uint32_t intr_mode; 1301 #define LPFC_INTR_ERROR 0xFFFFFFFF 1302 struct list_head port_list; 1303 spinlock_t port_list_lock; /* lock for port_list mutations */ 1304 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 1305 uint16_t max_vpi; /* Maximum virtual nports */ 1306 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */ 1307 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */ 1308 uint16_t max_vports; /* 1309 * For IOV HBAs max_vpi can change 1310 * after a reset. max_vports is max 1311 * number of vports present. This can 1312 * be greater than max_vpi. 1313 */ 1314 uint16_t vpi_base; 1315 uint16_t vfi_base; 1316 unsigned long *vpi_bmask; /* vpi allocation table */ 1317 uint16_t *vpi_ids; 1318 uint16_t vpi_count; 1319 struct list_head lpfc_vpi_blk_list; 1320 1321 /* Data structure used by fabric iocb scheduler */ 1322 struct list_head fabric_iocb_list; 1323 atomic_t fabric_iocb_count; 1324 struct timer_list fabric_block_timer; 1325 unsigned long bit_flags; 1326 atomic_t num_rsrc_err; 1327 atomic_t num_cmd_success; 1328 unsigned long last_rsrc_error_time; 1329 unsigned long last_ramp_down_time; 1330 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1331 struct dentry *hba_debugfs_root; 1332 atomic_t debugfs_vport_count; 1333 struct dentry *debug_multixri_pools; 1334 struct dentry *debug_hbqinfo; 1335 struct dentry *debug_dumpHostSlim; 1336 struct dentry *debug_dumpHBASlim; 1337 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */ 1338 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */ 1339 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */ 1340 struct dentry *debug_writeGuard; /* inject write guard_tag errors */ 1341 struct dentry *debug_writeApp; /* inject write app_tag errors */ 1342 struct dentry *debug_writeRef; /* inject write ref_tag errors */ 1343 struct dentry *debug_readGuard; /* inject read guard_tag errors */ 1344 struct dentry *debug_readApp; /* inject read app_tag errors */ 1345 struct dentry *debug_readRef; /* inject read ref_tag errors */ 1346 1347 struct dentry *debug_nvmeio_trc; 1348 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc; 1349 struct dentry *debug_hdwqinfo; 1350 #ifdef LPFC_HDWQ_LOCK_STAT 1351 struct dentry *debug_lockstat; 1352 #endif 1353 struct dentry *debug_cgn_buffer; 1354 struct dentry *debug_rx_monitor; 1355 struct dentry *debug_ras_log; 1356 atomic_t nvmeio_trc_cnt; 1357 uint32_t nvmeio_trc_size; 1358 uint32_t nvmeio_trc_output_idx; 1359 1360 /* T10 DIF error injection */ 1361 uint32_t lpfc_injerr_wgrd_cnt; 1362 uint32_t lpfc_injerr_wapp_cnt; 1363 uint32_t lpfc_injerr_wref_cnt; 1364 uint32_t lpfc_injerr_rgrd_cnt; 1365 uint32_t lpfc_injerr_rapp_cnt; 1366 uint32_t lpfc_injerr_rref_cnt; 1367 uint32_t lpfc_injerr_nportid; 1368 struct lpfc_name lpfc_injerr_wwpn; 1369 sector_t lpfc_injerr_lba; 1370 #define LPFC_INJERR_LBA_OFF (sector_t)(-1) 1371 1372 struct dentry *debug_slow_ring_trc; 1373 struct lpfc_debugfs_trc *slow_ring_trc; 1374 atomic_t slow_ring_trc_cnt; 1375 /* iDiag debugfs sub-directory */ 1376 struct dentry *idiag_root; 1377 struct dentry *idiag_pci_cfg; 1378 struct dentry *idiag_bar_acc; 1379 struct dentry *idiag_que_info; 1380 struct dentry *idiag_que_acc; 1381 struct dentry *idiag_drb_acc; 1382 struct dentry *idiag_ctl_acc; 1383 struct dentry *idiag_mbx_acc; 1384 struct dentry *idiag_ext_acc; 1385 uint8_t lpfc_idiag_last_eq; 1386 #endif 1387 uint16_t nvmeio_trc_on; 1388 1389 /* Used for deferred freeing of ELS data buffers */ 1390 struct list_head elsbuf; 1391 int elsbuf_cnt; 1392 int elsbuf_prev_cnt; 1393 1394 uint8_t temp_sensor_support; 1395 /* Fields used for heart beat. */ 1396 unsigned long last_completion_time; 1397 unsigned long skipped_hb; 1398 struct timer_list hb_tmofunc; 1399 struct timer_list rrq_tmr; 1400 enum hba_temp_state over_temp_state; 1401 /* 1402 * Following bit will be set for all buffer tags which are not 1403 * associated with any HBQ. 1404 */ 1405 #define QUE_BUFTAG_BIT (1<<31) 1406 uint32_t buffer_tag_count; 1407 1408 /* Maximum number of events that can be outstanding at any time*/ 1409 #define LPFC_MAX_EVT_COUNT 512 1410 atomic_t fast_event_count; 1411 uint32_t fcoe_eventtag; 1412 uint32_t fcoe_eventtag_at_fcf_scan; 1413 uint32_t fcoe_cvl_eventtag; 1414 uint32_t fcoe_cvl_eventtag_attn; 1415 struct lpfc_fcf fcf; 1416 uint8_t fc_map[3]; 1417 uint8_t valid_vlan; 1418 uint16_t vlan_id; 1419 struct list_head fcf_conn_rec_list; 1420 1421 bool defer_flogi_acc_flag; 1422 uint16_t defer_flogi_acc_rx_id; 1423 uint16_t defer_flogi_acc_ox_id; 1424 1425 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */ 1426 struct list_head ct_ev_waiters; 1427 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; 1428 uint32_t ctx_idx; 1429 struct timer_list inactive_vmid_poll; 1430 1431 /* RAS Support */ 1432 struct lpfc_ras_fwlog ras_fwlog; 1433 1434 uint32_t iocb_cnt; 1435 uint32_t iocb_max; 1436 atomic_t sdev_cnt; 1437 spinlock_t devicelock; /* lock for luns list */ 1438 mempool_t *device_data_mem_pool; 1439 struct list_head luns; 1440 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080 1441 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040 1442 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020 1443 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010 1444 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008 1445 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004 1446 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002 1447 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001 1448 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000 1449 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000 1450 uint16_t sfp_alarm; 1451 uint16_t sfp_warning; 1452 1453 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1454 uint16_t hdwqstat_on; 1455 #define LPFC_CHECK_OFF 0 1456 #define LPFC_CHECK_NVME_IO 1 1457 #define LPFC_CHECK_NVMET_IO 2 1458 #define LPFC_CHECK_SCSI_IO 4 1459 uint16_t ktime_on; 1460 uint64_t ktime_data_samples; 1461 uint64_t ktime_status_samples; 1462 uint64_t ktime_last_cmd; 1463 uint64_t ktime_seg1_total; 1464 uint64_t ktime_seg1_min; 1465 uint64_t ktime_seg1_max; 1466 uint64_t ktime_seg2_total; 1467 uint64_t ktime_seg2_min; 1468 uint64_t ktime_seg2_max; 1469 uint64_t ktime_seg3_total; 1470 uint64_t ktime_seg3_min; 1471 uint64_t ktime_seg3_max; 1472 uint64_t ktime_seg4_total; 1473 uint64_t ktime_seg4_min; 1474 uint64_t ktime_seg4_max; 1475 uint64_t ktime_seg5_total; 1476 uint64_t ktime_seg5_min; 1477 uint64_t ktime_seg5_max; 1478 uint64_t ktime_seg6_total; 1479 uint64_t ktime_seg6_min; 1480 uint64_t ktime_seg6_max; 1481 uint64_t ktime_seg7_total; 1482 uint64_t ktime_seg7_min; 1483 uint64_t ktime_seg7_max; 1484 uint64_t ktime_seg8_total; 1485 uint64_t ktime_seg8_min; 1486 uint64_t ktime_seg8_max; 1487 uint64_t ktime_seg9_total; 1488 uint64_t ktime_seg9_min; 1489 uint64_t ktime_seg9_max; 1490 uint64_t ktime_seg10_total; 1491 uint64_t ktime_seg10_min; 1492 uint64_t ktime_seg10_max; 1493 #endif 1494 /* CMF objects */ 1495 struct lpfc_cgn_stat __percpu *cmf_stat; 1496 uint32_t cmf_interval_rate; /* timer interval limit in ms */ 1497 uint32_t cmf_timer_cnt; 1498 #define LPFC_CMF_INTERVAL 90 1499 uint64_t cmf_link_byte_count; 1500 uint64_t cmf_max_line_rate; 1501 uint64_t cmf_max_bytes_per_interval; 1502 uint64_t cmf_last_sync_bw; 1503 #define LPFC_CMF_BLK_SIZE 512 1504 struct hrtimer cmf_timer; 1505 struct hrtimer cmf_stats_timer; /* 1 minute stats timer */ 1506 atomic_t cmf_bw_wait; 1507 atomic_t cmf_busy; 1508 atomic_t cmf_stop_io; /* To block request and stop IO's */ 1509 uint32_t cmf_active_mode; 1510 uint32_t cmf_info_per_interval; 1511 #define LPFC_MAX_CMF_INFO 32 1512 struct timespec64 cmf_latency; /* Interval congestion timestamp */ 1513 uint32_t cmf_last_ts; /* Interval congestion time (ms) */ 1514 uint32_t cmf_active_info; 1515 1516 /* Signal / FPIN handling for Congestion Mgmt */ 1517 u8 cgn_reg_fpin; /* Negotiated value from RDF */ 1518 u8 cgn_init_reg_fpin; /* Initial value from READ_CONFIG */ 1519 #define LPFC_CGN_FPIN_NONE 0x0 1520 #define LPFC_CGN_FPIN_WARN 0x1 1521 #define LPFC_CGN_FPIN_ALARM 0x2 1522 #define LPFC_CGN_FPIN_BOTH (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM) 1523 1524 u8 cgn_reg_signal; /* Negotiated value from EDC */ 1525 u8 cgn_init_reg_signal; /* Initial value from READ_CONFIG */ 1526 /* cgn_reg_signal and cgn_init_reg_signal use 1527 * enum fc_edc_cg_signal_cap_types 1528 */ 1529 u16 cgn_fpin_frequency; /* In units of msecs */ 1530 #define LPFC_FPIN_INIT_FREQ 0xffff 1531 u32 cgn_sig_freq; 1532 u32 cgn_acqe_cnt; 1533 1534 /* RX monitor handling for CMF */ 1535 struct lpfc_rx_info_monitor *rx_monitor; 1536 atomic_t rx_max_read_cnt; /* Maximum read bytes */ 1537 uint64_t rx_block_cnt; 1538 1539 /* Congestion parameters from flash */ 1540 struct lpfc_cgn_param cgn_p; 1541 1542 /* Statistics counter for ACQE cgn alarms and warnings */ 1543 struct lpfc_cgn_acqe_stat cgn_acqe_stat; 1544 1545 /* Congestion buffer information */ 1546 struct lpfc_dmabuf *cgn_i; /* Congestion Info buffer */ 1547 atomic_t cgn_fabric_warn_cnt; /* Total warning cgn events for info */ 1548 atomic_t cgn_fabric_alarm_cnt; /* Total alarm cgn events for info */ 1549 atomic_t cgn_sync_warn_cnt; /* Total warning events for SYNC wqe */ 1550 atomic_t cgn_sync_alarm_cnt; /* Total alarm events for SYNC wqe */ 1551 atomic_t cgn_driver_evt_cnt; /* Total driver cgn events for fmw */ 1552 atomic_t cgn_latency_evt_cnt; 1553 atomic64_t cgn_latency_evt; /* Avg latency per minute */ 1554 unsigned long cgn_evt_timestamp; 1555 #define LPFC_CGN_TIMER_TO_MIN 60000 /* ms in a minute */ 1556 uint32_t cgn_evt_minute; 1557 #define LPFC_SEC_MIN 60UL 1558 #define LPFC_MIN_HOUR 60 1559 #define LPFC_HOUR_DAY 24 1560 #define LPFC_MIN_DAY (LPFC_MIN_HOUR * LPFC_HOUR_DAY) 1561 1562 struct hlist_node cpuhp; /* used for cpuhp per hba callback */ 1563 struct timer_list cpuhp_poll_timer; 1564 struct list_head poll_list; /* slowpath eq polling list */ 1565 #define LPFC_POLL_HB 1 /* slowpath heartbeat */ 1566 1567 char os_host_name[MAXHOSTNAMELEN]; 1568 1569 /* LD Signaling */ 1570 u32 degrade_activate_threshold; 1571 u32 degrade_deactivate_threshold; 1572 u32 fec_degrade_interval; 1573 1574 atomic_t dbg_log_idx; 1575 atomic_t dbg_log_cnt; 1576 atomic_t dbg_log_dmping; 1577 struct dbg_log_ent dbg_log[DBG_LOG_SZ]; 1578 }; 1579 1580 #define LPFC_MAX_RXMONITOR_ENTRY 800 1581 #define LPFC_MAX_RXMONITOR_DUMP 32 1582 struct rx_info_entry { 1583 uint64_t cmf_bytes; /* Total no of read bytes for CMF_SYNC_WQE */ 1584 uint64_t total_bytes; /* Total no of read bytes requested */ 1585 uint64_t rcv_bytes; /* Total no of read bytes completed */ 1586 uint64_t avg_io_size; 1587 uint64_t avg_io_latency;/* Average io latency in microseconds */ 1588 uint64_t max_read_cnt; /* Maximum read bytes */ 1589 uint64_t max_bytes_per_interval; 1590 uint32_t cmf_busy; 1591 uint32_t cmf_info; /* CMF_SYNC_WQE info */ 1592 uint32_t io_cnt; 1593 uint32_t timer_utilization; 1594 uint32_t timer_interval; 1595 }; 1596 1597 struct lpfc_rx_info_monitor { 1598 struct rx_info_entry *ring; /* info organized in a circular buffer */ 1599 u32 head_idx, tail_idx; /* index to head/tail of ring */ 1600 spinlock_t lock; /* spinlock for ring */ 1601 u32 entries; /* storing number entries/size of ring */ 1602 }; 1603 1604 static inline struct Scsi_Host * 1605 lpfc_shost_from_vport(struct lpfc_vport *vport) 1606 { 1607 return container_of((void *) vport, struct Scsi_Host, hostdata[0]); 1608 } 1609 1610 static inline void 1611 lpfc_set_loopback_flag(struct lpfc_hba *phba) 1612 { 1613 if (phba->cfg_topology == FLAGS_LOCAL_LB) 1614 phba->link_flag |= LS_LOOPBACK_MODE; 1615 else 1616 phba->link_flag &= ~LS_LOOPBACK_MODE; 1617 } 1618 1619 static inline int 1620 lpfc_is_link_up(struct lpfc_hba *phba) 1621 { 1622 return phba->link_state == LPFC_LINK_UP || 1623 phba->link_state == LPFC_CLEAR_LA || 1624 phba->link_state == LPFC_HBA_READY; 1625 } 1626 1627 static inline void 1628 lpfc_worker_wake_up(struct lpfc_hba *phba) 1629 { 1630 /* Set the lpfc data pending flag */ 1631 set_bit(LPFC_DATA_READY, &phba->data_flags); 1632 1633 /* Wake up worker thread */ 1634 wake_up(&phba->work_waitq); 1635 return; 1636 } 1637 1638 static inline int 1639 lpfc_readl(void __iomem *addr, uint32_t *data) 1640 { 1641 uint32_t temp; 1642 temp = readl(addr); 1643 if (temp == 0xffffffff) 1644 return -EIO; 1645 *data = temp; 1646 return 0; 1647 } 1648 1649 static inline int 1650 lpfc_sli_read_hs(struct lpfc_hba *phba) 1651 { 1652 /* 1653 * There was a link/board error. Read the status register to retrieve 1654 * the error event and process it. 1655 */ 1656 phba->sli.slistat.err_attn_event++; 1657 1658 /* Save status info and check for unplug error */ 1659 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) || 1660 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) || 1661 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) { 1662 return -EIO; 1663 } 1664 1665 /* Clear chip Host Attention error bit */ 1666 writel(HA_ERATT, phba->HAregaddr); 1667 readl(phba->HAregaddr); /* flush */ 1668 phba->pport->stopped = 1; 1669 1670 return 0; 1671 } 1672 1673 static inline struct lpfc_sli_ring * 1674 lpfc_phba_elsring(struct lpfc_hba *phba) 1675 { 1676 /* Return NULL if sli_rev has become invalid due to bad fw */ 1677 if (phba->sli_rev != LPFC_SLI_REV4 && 1678 phba->sli_rev != LPFC_SLI_REV3 && 1679 phba->sli_rev != LPFC_SLI_REV2) 1680 return NULL; 1681 1682 if (phba->sli_rev == LPFC_SLI_REV4) { 1683 if (phba->sli4_hba.els_wq) 1684 return phba->sli4_hba.els_wq->pring; 1685 else 1686 return NULL; 1687 } 1688 return &phba->sli.sli3_ring[LPFC_ELS_RING]; 1689 } 1690 1691 /** 1692 * lpfc_next_online_cpu - Finds next online CPU on cpumask 1693 * @mask: Pointer to phba's cpumask member. 1694 * @start: starting cpu index 1695 * 1696 * Note: If no valid cpu found, then nr_cpu_ids is returned. 1697 * 1698 **/ 1699 static inline unsigned int 1700 lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start) 1701 { 1702 unsigned int cpu_it; 1703 1704 for_each_cpu_wrap(cpu_it, mask, start) { 1705 if (cpu_online(cpu_it)) 1706 break; 1707 } 1708 1709 return cpu_it; 1710 } 1711 /** 1712 * lpfc_next_present_cpu - Finds next present CPU after n 1713 * @n: the cpu prior to search 1714 * 1715 * Note: If no next present cpu, then fallback to first present cpu. 1716 * 1717 **/ 1718 static inline unsigned int lpfc_next_present_cpu(int n) 1719 { 1720 unsigned int cpu; 1721 1722 cpu = cpumask_next(n, cpu_present_mask); 1723 1724 if (cpu >= nr_cpu_ids) 1725 cpu = cpumask_first(cpu_present_mask); 1726 1727 return cpu; 1728 } 1729 1730 /** 1731 * lpfc_sli4_mod_hba_eq_delay - update EQ delay 1732 * @phba: Pointer to HBA context object. 1733 * @q: The Event Queue to update. 1734 * @delay: The delay value (in us) to be written. 1735 * 1736 **/ 1737 static inline void 1738 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq, 1739 u32 delay) 1740 { 1741 struct lpfc_register reg_data; 1742 1743 reg_data.word0 = 0; 1744 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id); 1745 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay); 1746 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr); 1747 eq->q_mode = delay; 1748 } 1749 1750 1751 /* 1752 * Macro that declares tables and a routine to perform enum type to 1753 * ascii string lookup. 1754 * 1755 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for 1756 * the enum to populate the table. Macro defines a routine (named 1757 * by caller) that will search all elements of the table for the key 1758 * and return the name string if found or "Unrecognized" if not found. 1759 */ 1760 #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \ 1761 static struct { \ 1762 enum enum_name value; \ 1763 char *name; \ 1764 } fc_##enum_name##_e2str_names[] = enum_init; \ 1765 static const char *routine(enum enum_name table_key) \ 1766 { \ 1767 int i; \ 1768 char *name = "Unrecognized"; \ 1769 \ 1770 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\ 1771 if (fc_##enum_name##_e2str_names[i].value == table_key) {\ 1772 name = fc_##enum_name##_e2str_names[i].name; \ 1773 break; \ 1774 } \ 1775 } \ 1776 return name; \ 1777 } 1778 1779 /** 1780 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types 1781 * @phba: Pointer to HBA context object. 1782 * 1783 * Relationship between the enable, target support and if vmid tag is required 1784 * for the particular combination 1785 * --------------------------------------------------- 1786 * Switch Enable Flag Target Support VMID Needed 1787 * --------------------------------------------------- 1788 * App Id 0 NA N 1789 * App Id 1 0 N 1790 * App Id 1 1 Y 1791 * Pr Tag 0 NA N 1792 * Pr Tag 1 0 N 1793 * Pr Tag 1 1 Y 1794 * Pr Tag 2 * Y 1795 --------------------------------------------------- 1796 * 1797 **/ 1798 static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba) 1799 { 1800 return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging; 1801 } 1802 1803 static inline 1804 u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1805 { 1806 if (phba->sli_rev == LPFC_SLI_REV4) 1807 return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl); 1808 else 1809 return iocbq->iocb.ulpStatus; 1810 } 1811 1812 static inline 1813 u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1814 { 1815 if (phba->sli_rev == LPFC_SLI_REV4) 1816 return iocbq->wcqe_cmpl.parameter; 1817 else 1818 return iocbq->iocb.un.ulpWord[4]; 1819 } 1820 1821 static inline 1822 u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1823 { 1824 if (phba->sli_rev == LPFC_SLI_REV4) 1825 return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com); 1826 else 1827 return iocbq->iocb.ulpCommand; 1828 } 1829 1830 static inline 1831 u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1832 { 1833 if (phba->sli_rev == LPFC_SLI_REV4) 1834 return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com); 1835 else 1836 return iocbq->iocb.ulpContext; 1837 } 1838 1839 static inline 1840 u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1841 { 1842 if (phba->sli_rev == LPFC_SLI_REV4) 1843 return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com); 1844 else 1845 return iocbq->iocb.unsli3.rcvsli3.ox_id; 1846 } 1847 1848 static inline 1849 u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1850 { 1851 if (phba->sli_rev == LPFC_SLI_REV4) 1852 return iocbq->wcqe_cmpl.total_data_placed; 1853 else 1854 return iocbq->iocb.un.genreq64.bdl.bdeSize; 1855 } 1856 1857 static inline 1858 u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1859 { 1860 if (phba->sli_rev == LPFC_SLI_REV4) 1861 return iocbq->wqe.abort_cmd.wqe_com.abort_tag; 1862 else 1863 return iocbq->iocb.un.acxri.abortIoTag; 1864 } 1865 1866 static inline 1867 u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) 1868 { 1869 if (phba->sli_rev == LPFC_SLI_REV4) 1870 return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest); 1871 else 1872 return iocbq->iocb.un.elsreq64.remoteID; 1873 } 1874