1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2018 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/ktime.h> 26 #include <linux/workqueue.h> 27 28 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS) 29 #define CONFIG_SCSI_LPFC_DEBUG_FS 30 #endif 31 32 struct lpfc_sli2_slim; 33 34 #define ELX_MODEL_NAME_SIZE 80 35 36 #define LPFC_PCI_DEV_LP 0x1 37 #define LPFC_PCI_DEV_OC 0x2 38 39 #define LPFC_SLI_REV2 2 40 #define LPFC_SLI_REV3 3 41 #define LPFC_SLI_REV4 4 42 43 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */ 44 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els 45 requests */ 46 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact 47 the NameServer before giving up. */ 48 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ 49 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ 50 #define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi 51 cmnd for menlo needs nearly twice as for firmware 52 downloads using bsg */ 53 54 #define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */ 55 #define LPFC_MAX_SG_SLI4_SEG_CNT_DIF 128 /* sg element count per scsi cmnd */ 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 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data 72 collection. */ 73 /* 74 * Following time intervals are used of adjusting SCSI device 75 * queue depths when there are driver resource error or Firmware 76 * resource error. 77 */ 78 /* 1 Second */ 79 #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1)) 80 81 /* Number of exchanges reserved for discovery to complete */ 82 #define LPFC_DISC_IOCB_BUFF_COUNT 20 83 84 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ 85 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ 86 87 #define LPFC_LOOK_AHEAD_OFF 0 /* Look ahead logic is turned off */ 88 89 /* Error Attention event polling interval */ 90 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */ 91 92 /* Define macros for 64 bit support */ 93 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) 94 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) 95 #define getPaddr(high, low) ((dma_addr_t)( \ 96 (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) 97 /* Provide maximum configuration definitions. */ 98 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ 99 #define FC_MAX_ADPTMSG 64 100 101 #define MAX_HBAEVT 32 102 #define MAX_HBAS_NO_RESET 16 103 104 /* Number of MSI-X vectors the driver uses */ 105 #define LPFC_MSIX_VECTORS 2 106 107 /* lpfc wait event data ready flag */ 108 #define LPFC_DATA_READY 0 /* bit 0 */ 109 110 /* queue dump line buffer size */ 111 #define LPFC_LBUF_SZ 128 112 113 /* mailbox system shutdown options */ 114 #define LPFC_MBX_NO_WAIT 0 115 #define LPFC_MBX_WAIT 1 116 117 enum lpfc_polling_flags { 118 ENABLE_FCP_RING_POLLING = 0x1, 119 DISABLE_FCP_RING_INT = 0x2 120 }; 121 122 struct perf_prof { 123 uint16_t cmd_cpu[40]; 124 uint16_t rsp_cpu[40]; 125 uint16_t qh_cpu[40]; 126 uint16_t wqidx[40]; 127 }; 128 129 /* 130 * Provide for FC4 TYPE x28 - NVME. The 131 * bit mask for FCP and NVME is 0x8 identically 132 * because they are 32 bit positions distance. 133 */ 134 #define LPFC_FC4_TYPE_BITMASK 0x00000100 135 136 /* Provide DMA memory definitions the driver uses per port instance. */ 137 struct lpfc_dmabuf { 138 struct list_head list; 139 void *virt; /* virtual address ptr */ 140 dma_addr_t phys; /* mapped address */ 141 uint32_t buffer_tag; /* used for tagged queue ring */ 142 }; 143 144 struct lpfc_nvmet_ctxbuf { 145 struct list_head list; 146 struct lpfc_nvmet_rcv_ctx *context; 147 struct lpfc_iocbq *iocbq; 148 struct lpfc_sglq *sglq; 149 }; 150 151 struct lpfc_dma_pool { 152 struct lpfc_dmabuf *elements; 153 uint32_t max_count; 154 uint32_t current_count; 155 }; 156 157 struct hbq_dmabuf { 158 struct lpfc_dmabuf hbuf; 159 struct lpfc_dmabuf dbuf; 160 uint16_t total_size; 161 uint16_t bytes_recv; 162 uint32_t tag; 163 struct lpfc_cq_event cq_event; 164 unsigned long time_stamp; 165 void *context; 166 }; 167 168 struct rqb_dmabuf { 169 struct lpfc_dmabuf hbuf; 170 struct lpfc_dmabuf dbuf; 171 uint16_t total_size; 172 uint16_t bytes_recv; 173 uint16_t idx; 174 struct lpfc_queue *hrq; /* ptr to associated Header RQ */ 175 struct lpfc_queue *drq; /* ptr to associated Data RQ */ 176 }; 177 178 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ 179 #define MEM_PRI 0x100 180 181 182 /****************************************************************************/ 183 /* Device VPD save area */ 184 /****************************************************************************/ 185 typedef struct lpfc_vpd { 186 uint32_t status; /* vpd status value */ 187 uint32_t length; /* number of bytes actually returned */ 188 struct { 189 uint32_t rsvd1; /* Revision numbers */ 190 uint32_t biuRev; 191 uint32_t smRev; 192 uint32_t smFwRev; 193 uint32_t endecRev; 194 uint16_t rBit; 195 uint8_t fcphHigh; 196 uint8_t fcphLow; 197 uint8_t feaLevelHigh; 198 uint8_t feaLevelLow; 199 uint32_t postKernRev; 200 uint32_t opFwRev; 201 uint8_t opFwName[16]; 202 uint32_t sli1FwRev; 203 uint8_t sli1FwName[16]; 204 uint32_t sli2FwRev; 205 uint8_t sli2FwName[16]; 206 } rev; 207 struct { 208 #ifdef __BIG_ENDIAN_BITFIELD 209 uint32_t rsvd3 :19; /* Reserved */ 210 uint32_t cdss : 1; /* Configure Data Security SLI */ 211 uint32_t rsvd2 : 3; /* Reserved */ 212 uint32_t cbg : 1; /* Configure BlockGuard */ 213 uint32_t cmv : 1; /* Configure Max VPIs */ 214 uint32_t ccrp : 1; /* Config Command Ring Polling */ 215 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 216 uint32_t chbs : 1; /* Cofigure Host Backing store */ 217 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 218 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 219 uint32_t cmx : 1; /* Configure Max XRIs */ 220 uint32_t cmr : 1; /* Configure Max RPIs */ 221 #else /* __LITTLE_ENDIAN */ 222 uint32_t cmr : 1; /* Configure Max RPIs */ 223 uint32_t cmx : 1; /* Configure Max XRIs */ 224 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 225 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 226 uint32_t chbs : 1; /* Cofigure Host Backing store */ 227 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 228 uint32_t ccrp : 1; /* Config Command Ring Polling */ 229 uint32_t cmv : 1; /* Configure Max VPIs */ 230 uint32_t cbg : 1; /* Configure BlockGuard */ 231 uint32_t rsvd2 : 3; /* Reserved */ 232 uint32_t cdss : 1; /* Configure Data Security SLI */ 233 uint32_t rsvd3 :19; /* Reserved */ 234 #endif 235 } sli3Feat; 236 } lpfc_vpd_t; 237 238 struct lpfc_scsi_buf; 239 240 241 /* 242 * lpfc stat counters 243 */ 244 struct lpfc_stats { 245 /* Statistics for ELS commands */ 246 uint32_t elsLogiCol; 247 uint32_t elsRetryExceeded; 248 uint32_t elsXmitRetry; 249 uint32_t elsDelayRetry; 250 uint32_t elsRcvDrop; 251 uint32_t elsRcvFrame; 252 uint32_t elsRcvRSCN; 253 uint32_t elsRcvRNID; 254 uint32_t elsRcvFARP; 255 uint32_t elsRcvFARPR; 256 uint32_t elsRcvFLOGI; 257 uint32_t elsRcvPLOGI; 258 uint32_t elsRcvADISC; 259 uint32_t elsRcvPDISC; 260 uint32_t elsRcvFAN; 261 uint32_t elsRcvLOGO; 262 uint32_t elsRcvPRLO; 263 uint32_t elsRcvPRLI; 264 uint32_t elsRcvLIRR; 265 uint32_t elsRcvRLS; 266 uint32_t elsRcvRPS; 267 uint32_t elsRcvRPL; 268 uint32_t elsRcvRRQ; 269 uint32_t elsRcvRTV; 270 uint32_t elsRcvECHO; 271 uint32_t elsRcvLCB; 272 uint32_t elsRcvRDP; 273 uint32_t elsXmitFLOGI; 274 uint32_t elsXmitFDISC; 275 uint32_t elsXmitPLOGI; 276 uint32_t elsXmitPRLI; 277 uint32_t elsXmitADISC; 278 uint32_t elsXmitLOGO; 279 uint32_t elsXmitSCR; 280 uint32_t elsXmitRNID; 281 uint32_t elsXmitFARP; 282 uint32_t elsXmitFARPR; 283 uint32_t elsXmitACC; 284 uint32_t elsXmitLSRJT; 285 286 uint32_t frameRcvBcast; 287 uint32_t frameRcvMulti; 288 uint32_t strayXmitCmpl; 289 uint32_t frameXmitDelay; 290 uint32_t xriCmdCmpl; 291 uint32_t xriStatErr; 292 uint32_t LinkUp; 293 uint32_t LinkDown; 294 uint32_t LinkMultiEvent; 295 uint32_t NoRcvBuf; 296 uint32_t fcpCmd; 297 uint32_t fcpCmpl; 298 uint32_t fcpRspErr; 299 uint32_t fcpRemoteStop; 300 uint32_t fcpPortRjt; 301 uint32_t fcpPortBusy; 302 uint32_t fcpError; 303 uint32_t fcpLocalErr; 304 }; 305 306 struct lpfc_hba; 307 308 309 enum discovery_state { 310 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ 311 LPFC_VPORT_FAILED = 1, /* vport has failed */ 312 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ 313 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ 314 LPFC_FDISC = 8, /* FDISC sent for vport */ 315 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id 316 * configured */ 317 LPFC_NS_REG = 10, /* Register with NameServer */ 318 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ 319 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for 320 * device authentication / discovery */ 321 LPFC_DISC_AUTH = 13, /* Processing ADISC list */ 322 LPFC_VPORT_READY = 32, 323 }; 324 325 enum hba_state { 326 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ 327 LPFC_WARM_START = 1, /* HBA state after selective reset */ 328 LPFC_INIT_START = 2, /* Initial state after board reset */ 329 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ 330 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ 331 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ 332 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue 333 * CLEAR_LA */ 334 LPFC_HBA_READY = 32, 335 LPFC_HBA_ERROR = -1 336 }; 337 338 struct lpfc_vport { 339 struct lpfc_hba *phba; 340 struct list_head listentry; 341 uint8_t port_type; 342 #define LPFC_PHYSICAL_PORT 1 343 #define LPFC_NPIV_PORT 2 344 #define LPFC_FABRIC_PORT 3 345 enum discovery_state port_state; 346 347 uint16_t vpi; 348 uint16_t vfi; 349 uint8_t vpi_state; 350 #define LPFC_VPI_REGISTERED 0x1 351 352 uint32_t fc_flag; /* FC flags */ 353 /* Several of these flags are HBA centric and should be moved to 354 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) 355 */ 356 #define FC_PT2PT 0x1 /* pt2pt with no fabric */ 357 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ 358 #define FC_DISC_TMO 0x4 /* Discovery timer running */ 359 #define FC_PUBLIC_LOOP 0x8 /* Public loop */ 360 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ 361 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ 362 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ 363 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ 364 #define FC_FABRIC 0x100 /* We are fabric attached */ 365 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */ 366 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ 367 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/ 368 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ 369 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ 370 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ 371 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ 372 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ 373 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ 374 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */ 375 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */ 376 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */ 377 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */ 378 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */ 379 380 uint32_t ct_flags; 381 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ 382 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ 383 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ 384 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ 385 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ 386 387 struct list_head fc_nodes; 388 389 /* Keep counters for the number of entries in each list. */ 390 uint16_t fc_plogi_cnt; 391 uint16_t fc_adisc_cnt; 392 uint16_t fc_reglogin_cnt; 393 uint16_t fc_prli_cnt; 394 uint16_t fc_unmap_cnt; 395 uint16_t fc_map_cnt; 396 uint16_t fc_npr_cnt; 397 uint16_t fc_unused_cnt; 398 struct serv_parm fc_sparam; /* buffer for our service parameters */ 399 400 uint32_t fc_myDID; /* fibre channel S_ID */ 401 uint32_t fc_prevDID; /* previous fibre channel S_ID */ 402 struct lpfc_name fabric_portname; 403 struct lpfc_name fabric_nodename; 404 405 int32_t stopped; /* HBA has not been restarted since last ERATT */ 406 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 407 408 uint32_t num_disc_nodes; /* in addition to hba_state */ 409 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */ 410 411 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ 412 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ 413 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ 414 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 415 struct lpfc_name fc_nodename; /* fc nodename */ 416 struct lpfc_name fc_portname; /* fc portname */ 417 418 struct lpfc_work_evt disc_timeout_evt; 419 420 struct timer_list fc_disctmo; /* Discovery rescue timer */ 421 uint8_t fc_ns_retry; /* retries for fabric nameserver */ 422 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ 423 424 spinlock_t work_port_lock; 425 uint32_t work_port_events; /* Timeout to be handled */ 426 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ 427 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ 428 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */ 429 430 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ 431 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ 432 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ 433 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ 434 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ 435 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */ 436 437 struct timer_list els_tmofunc; 438 struct timer_list delayed_disc_tmo; 439 440 int unreg_vpi_cmpl; 441 442 uint8_t load_flag; 443 #define FC_LOADING 0x1 /* HBA in process of loading drvr */ 444 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ 445 #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */ 446 /* Vport Config Parameters */ 447 uint32_t cfg_scan_down; 448 uint32_t cfg_lun_queue_depth; 449 uint32_t cfg_nodev_tmo; 450 uint32_t cfg_devloss_tmo; 451 uint32_t cfg_restrict_login; 452 uint32_t cfg_peer_port_login; 453 uint32_t cfg_fcp_class; 454 uint32_t cfg_use_adisc; 455 uint32_t cfg_discovery_threads; 456 uint32_t cfg_log_verbose; 457 uint32_t cfg_max_luns; 458 uint32_t cfg_enable_da_id; 459 uint32_t cfg_max_scsicmpl_time; 460 uint32_t cfg_tgt_queue_depth; 461 uint32_t cfg_first_burst_size; 462 uint32_t dev_loss_tmo_changed; 463 464 struct fc_vport *fc_vport; 465 466 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 467 struct dentry *debug_disc_trc; 468 struct dentry *debug_nodelist; 469 struct dentry *debug_nvmestat; 470 struct dentry *debug_nvmektime; 471 struct dentry *debug_cpucheck; 472 struct dentry *vport_debugfs_root; 473 struct lpfc_debugfs_trc *disc_trc; 474 atomic_t disc_trc_cnt; 475 #endif 476 uint8_t stat_data_enabled; 477 uint8_t stat_data_blocked; 478 struct list_head rcv_buffer_list; 479 unsigned long rcv_buffer_time_stamp; 480 uint32_t vport_flag; 481 #define STATIC_VPORT 1 482 #define FAWWPN_SET 2 483 #define FAWWPN_PARAM_CHG 4 484 485 uint16_t fdmi_num_disc; 486 uint32_t fdmi_hba_mask; 487 uint32_t fdmi_port_mask; 488 489 /* There is a single nvme instance per vport. */ 490 struct nvme_fc_local_port *localport; 491 uint8_t nvmei_support; /* driver supports NVME Initiator */ 492 uint32_t last_fcp_wqidx; 493 }; 494 495 struct hbq_s { 496 uint16_t entry_count; /* Current number of HBQ slots */ 497 uint16_t buffer_count; /* Current number of buffers posted */ 498 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ 499 uint32_t hbqPutIdx; /* HBQ slot to use */ 500 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ 501 void *hbq_virt; /* Virtual ptr to this hbq */ 502 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ 503 /* Callback for HBQ buffer allocation */ 504 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); 505 /* Callback for HBQ buffer free */ 506 void (*hbq_free_buffer) (struct lpfc_hba *, 507 struct hbq_dmabuf *); 508 }; 509 510 /* this matches the position in the lpfc_hbq_defs array */ 511 #define LPFC_ELS_HBQ 0 512 #define LPFC_MAX_HBQS 1 513 514 enum hba_temp_state { 515 HBA_NORMAL_TEMP, 516 HBA_OVER_TEMP 517 }; 518 519 enum intr_type_t { 520 NONE = 0, 521 INTx, 522 MSI, 523 MSIX, 524 }; 525 526 #define LPFC_CT_CTX_MAX 64 527 struct unsol_rcv_ct_ctx { 528 uint32_t ctxt_id; 529 uint32_t SID; 530 uint32_t valid; 531 #define UNSOL_INVALID 0 532 #define UNSOL_VALID 1 533 uint16_t oxid; 534 uint16_t rxid; 535 }; 536 537 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/ 538 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */ 539 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */ 540 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */ 541 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */ 542 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */ 543 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */ 544 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */ 545 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */ 546 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G 547 548 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64" 549 550 enum nemb_type { 551 nemb_mse = 1, 552 nemb_hbd 553 }; 554 555 enum mbox_type { 556 mbox_rd = 1, 557 mbox_wr 558 }; 559 560 enum dma_type { 561 dma_mbox = 1, 562 dma_ebuf 563 }; 564 565 enum sta_type { 566 sta_pre_addr = 1, 567 sta_pos_addr 568 }; 569 570 struct lpfc_mbox_ext_buf_ctx { 571 uint32_t state; 572 #define LPFC_BSG_MBOX_IDLE 0 573 #define LPFC_BSG_MBOX_HOST 1 574 #define LPFC_BSG_MBOX_PORT 2 575 #define LPFC_BSG_MBOX_DONE 3 576 #define LPFC_BSG_MBOX_ABTS 4 577 enum nemb_type nembType; 578 enum mbox_type mboxType; 579 uint32_t numBuf; 580 uint32_t mbxTag; 581 uint32_t seqNum; 582 struct lpfc_dmabuf *mbx_dmabuf; 583 struct list_head ext_dmabuf_list; 584 }; 585 586 struct lpfc_hba { 587 /* SCSI interface function jump table entries */ 588 int (*lpfc_new_scsi_buf) 589 (struct lpfc_vport *, int); 590 struct lpfc_scsi_buf * (*lpfc_get_scsi_buf) 591 (struct lpfc_hba *, struct lpfc_nodelist *); 592 int (*lpfc_scsi_prep_dma_buf) 593 (struct lpfc_hba *, struct lpfc_scsi_buf *); 594 void (*lpfc_scsi_unprep_dma_buf) 595 (struct lpfc_hba *, struct lpfc_scsi_buf *); 596 void (*lpfc_release_scsi_buf) 597 (struct lpfc_hba *, struct lpfc_scsi_buf *); 598 void (*lpfc_rampdown_queue_depth) 599 (struct lpfc_hba *); 600 void (*lpfc_scsi_prep_cmnd) 601 (struct lpfc_vport *, struct lpfc_scsi_buf *, 602 struct lpfc_nodelist *); 603 604 /* IOCB interface function jump table entries */ 605 int (*__lpfc_sli_issue_iocb) 606 (struct lpfc_hba *, uint32_t, 607 struct lpfc_iocbq *, uint32_t); 608 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, 609 struct lpfc_iocbq *); 610 int (*lpfc_hba_down_post)(struct lpfc_hba *phba); 611 IOCB_t * (*lpfc_get_iocb_from_iocbq) 612 (struct lpfc_iocbq *); 613 void (*lpfc_scsi_cmd_iocb_cmpl) 614 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *); 615 616 /* MBOX interface function jump table entries */ 617 int (*lpfc_sli_issue_mbox) 618 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); 619 620 /* Slow-path IOCB process function jump table entries */ 621 void (*lpfc_sli_handle_slow_ring_event) 622 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 623 uint32_t mask); 624 625 /* INIT device interface function jump table entries */ 626 int (*lpfc_sli_hbq_to_firmware) 627 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); 628 int (*lpfc_sli_brdrestart) 629 (struct lpfc_hba *); 630 int (*lpfc_sli_brdready) 631 (struct lpfc_hba *, uint32_t); 632 void (*lpfc_handle_eratt) 633 (struct lpfc_hba *); 634 void (*lpfc_stop_port) 635 (struct lpfc_hba *); 636 int (*lpfc_hba_init_link) 637 (struct lpfc_hba *, uint32_t); 638 int (*lpfc_hba_down_link) 639 (struct lpfc_hba *, uint32_t); 640 int (*lpfc_selective_reset) 641 (struct lpfc_hba *); 642 643 int (*lpfc_bg_scsi_prep_dma_buf) 644 (struct lpfc_hba *, struct lpfc_scsi_buf *); 645 /* Add new entries here */ 646 647 /* SLI4 specific HBA data structure */ 648 struct lpfc_sli4_hba sli4_hba; 649 650 struct workqueue_struct *wq; 651 652 struct lpfc_sli sli; 653 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */ 654 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */ 655 uint32_t sli3_options; /* Mask of enabled SLI3 options */ 656 #define LPFC_SLI3_HBQ_ENABLED 0x01 657 #define LPFC_SLI3_NPIV_ENABLED 0x02 658 #define LPFC_SLI3_VPORT_TEARDOWN 0x04 659 #define LPFC_SLI3_CRP_ENABLED 0x08 660 #define LPFC_SLI3_BG_ENABLED 0x20 661 #define LPFC_SLI3_DSS_ENABLED 0x40 662 #define LPFC_SLI4_PERFH_ENABLED 0x80 663 #define LPFC_SLI4_PHWQ_ENABLED 0x100 664 uint32_t iocb_cmd_size; 665 uint32_t iocb_rsp_size; 666 667 enum hba_state link_state; 668 uint32_t link_flag; /* link state flags */ 669 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ 670 /* This flag is set while issuing */ 671 /* INIT_LINK mailbox command */ 672 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 673 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ 674 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */ 675 #define LS_MDS_LOOPBACK 0x16 /* MDS Diagnostics Link Up (Loopback) */ 676 677 uint32_t hba_flag; /* hba generic flags */ 678 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ 679 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */ 680 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */ 681 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/ 682 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */ 683 #define FCP_XRI_ABORT_EVENT 0x20 684 #define ELS_XRI_ABORT_EVENT 0x40 685 #define ASYNC_EVENT 0x80 686 #define LINK_DISABLED 0x100 /* Link disabled by user */ 687 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */ 688 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */ 689 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */ 690 #define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */ 691 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */ 692 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */ 693 #define HBA_FCP_IOQ_FLUSH 0x8000 /* FCP I/O queues being flushed */ 694 #define HBA_FW_DUMP_OP 0x10000 /* Skips fn reset before FW dump */ 695 #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */ 696 #define HBA_FORCED_LINK_SPEED 0x40000 /* 697 * Firmware supports Forced Link Speed 698 * capability 699 */ 700 #define HBA_NVME_IOQ_FLUSH 0x80000 /* NVME IO queues flushed. */ 701 702 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ 703 struct lpfc_dmabuf slim2p; 704 705 MAILBOX_t *mbox; 706 uint32_t *mbox_ext; 707 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx; 708 uint32_t ha_copy; 709 struct _PCB *pcb; 710 struct _IOCB *IOCBs; 711 712 struct lpfc_dmabuf hbqslimp; 713 714 uint16_t pci_cfg_value; 715 716 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 717 718 uint32_t fc_eventTag; /* event tag for link attention */ 719 uint32_t link_events; 720 721 /* These fields used to be binfo */ 722 uint32_t fc_pref_DID; /* preferred D_ID */ 723 uint8_t fc_pref_ALPA; /* preferred AL_PA */ 724 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */ 725 uint32_t fc_edtov; /* E_D_TOV timer value */ 726 uint32_t fc_arbtov; /* ARB_TOV timer value */ 727 uint32_t fc_ratov; /* R_A_TOV timer value */ 728 uint32_t fc_rttov; /* R_T_TOV timer value */ 729 uint32_t fc_altov; /* AL_TOV timer value */ 730 uint32_t fc_crtov; /* C_R_TOV timer value */ 731 732 struct serv_parm fc_fabparam; /* fabric service parameters buffer */ 733 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ 734 735 uint32_t lmt; 736 737 uint32_t fc_topology; /* link topology, from LINK INIT */ 738 uint32_t fc_topology_changed; /* link topology, from LINK INIT */ 739 740 struct lpfc_stats fc_stat; 741 742 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ 743 uint32_t nport_event_cnt; /* timestamp for nlplist entry */ 744 745 uint8_t wwnn[8]; 746 uint8_t wwpn[8]; 747 uint32_t RandomData[7]; 748 uint8_t fcp_embed_io; 749 uint8_t nvme_support; /* Firmware supports NVME */ 750 uint8_t nvmet_support; /* driver supports NVMET */ 751 #define LPFC_NVMET_MAX_PORTS 32 752 uint8_t mds_diags_support; 753 uint32_t initial_imax; 754 uint8_t bbcredit_support; 755 uint8_t enab_exp_wqcq_pages; 756 757 /* HBA Config Parameters */ 758 uint32_t cfg_ack0; 759 uint32_t cfg_enable_npiv; 760 uint32_t cfg_enable_rrq; 761 uint32_t cfg_topology; 762 uint32_t cfg_link_speed; 763 #define LPFC_FCF_FOV 1 /* Fast fcf failover */ 764 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */ 765 uint32_t cfg_fcf_failover_policy; 766 uint32_t cfg_fcp_io_sched; 767 uint32_t cfg_fcp2_no_tgt_reset; 768 uint32_t cfg_cr_delay; 769 uint32_t cfg_cr_count; 770 uint32_t cfg_multi_ring_support; 771 uint32_t cfg_multi_ring_rctl; 772 uint32_t cfg_multi_ring_type; 773 uint32_t cfg_poll; 774 uint32_t cfg_poll_tmo; 775 uint32_t cfg_task_mgmt_tmo; 776 uint32_t cfg_use_msi; 777 uint32_t cfg_auto_imax; 778 uint32_t cfg_fcp_imax; 779 uint32_t cfg_fcp_cpu_map; 780 uint32_t cfg_fcp_io_channel; 781 uint32_t cfg_suppress_rsp; 782 uint32_t cfg_nvme_oas; 783 uint32_t cfg_nvme_embed_cmd; 784 uint32_t cfg_nvme_io_channel; 785 uint32_t cfg_nvmet_mrq_post; 786 uint32_t cfg_nvmet_mrq; 787 uint32_t cfg_enable_nvmet; 788 uint32_t cfg_nvme_enable_fb; 789 uint32_t cfg_nvmet_fb_size; 790 uint32_t cfg_total_seg_cnt; 791 uint32_t cfg_sg_seg_cnt; 792 uint32_t cfg_nvme_seg_cnt; 793 uint32_t cfg_sg_dma_buf_size; 794 uint64_t cfg_soft_wwnn; 795 uint64_t cfg_soft_wwpn; 796 uint32_t cfg_hba_queue_depth; 797 uint32_t cfg_enable_hba_reset; 798 uint32_t cfg_enable_hba_heartbeat; 799 uint32_t cfg_fof; 800 uint32_t cfg_EnableXLane; 801 uint8_t cfg_oas_tgt_wwpn[8]; 802 uint8_t cfg_oas_vpt_wwpn[8]; 803 uint32_t cfg_oas_lun_state; 804 #define OAS_LUN_ENABLE 1 805 #define OAS_LUN_DISABLE 0 806 uint32_t cfg_oas_lun_status; 807 #define OAS_LUN_STATUS_EXISTS 0x01 808 uint32_t cfg_oas_flags; 809 #define OAS_FIND_ANY_VPORT 0x01 810 #define OAS_FIND_ANY_TARGET 0x02 811 #define OAS_LUN_VALID 0x04 812 uint32_t cfg_oas_priority; 813 uint32_t cfg_XLanePriority; 814 uint32_t cfg_enable_bg; 815 uint32_t cfg_prot_mask; 816 uint32_t cfg_prot_guard; 817 uint32_t cfg_hostmem_hgp; 818 uint32_t cfg_log_verbose; 819 uint32_t cfg_aer_support; 820 uint32_t cfg_sriov_nr_virtfn; 821 uint32_t cfg_request_firmware_upgrade; 822 uint32_t cfg_iocb_cnt; 823 uint32_t cfg_suppress_link_up; 824 uint32_t cfg_rrq_xri_bitmap_sz; 825 uint32_t cfg_delay_discovery; 826 uint32_t cfg_sli_mode; 827 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */ 828 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */ 829 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */ 830 uint32_t cfg_enable_dss; 831 uint32_t cfg_fdmi_on; 832 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */ 833 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */ 834 uint32_t cfg_enable_SmartSAN; 835 uint32_t cfg_enable_mds_diags; 836 uint32_t cfg_enable_fc4_type; 837 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */ 838 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */ 839 uint32_t cfg_xri_split; 840 #define LPFC_ENABLE_FCP 1 841 #define LPFC_ENABLE_NVME 2 842 #define LPFC_ENABLE_BOTH 3 843 uint32_t cfg_enable_pbde; 844 uint32_t io_channel_irqs; /* number of irqs for io channels */ 845 struct nvmet_fc_target_port *targetport; 846 lpfc_vpd_t vpd; /* vital product data */ 847 848 struct pci_dev *pcidev; 849 struct list_head work_list; 850 uint32_t work_ha; /* Host Attention Bits for WT */ 851 uint32_t work_ha_mask; /* HA Bits owned by WT */ 852 uint32_t work_hs; /* HS stored in case of ERRAT */ 853 uint32_t work_status[2]; /* Extra status from SLIM */ 854 855 wait_queue_head_t work_waitq; 856 struct task_struct *worker_thread; 857 unsigned long data_flags; 858 859 uint32_t hbq_in_use; /* HBQs in use flag */ 860 uint32_t hbq_count; /* Count of configured HBQs */ 861 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 862 863 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */ 864 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */ 865 866 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */ 867 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */ 868 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */ 869 void __iomem *slim_memmap_p; /* Kernel memory mapped address for 870 PCI BAR0 */ 871 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for 872 PCI BAR2 */ 873 874 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for 875 PCI BAR0 with dual-ULP support */ 876 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for 877 PCI BAR2 with dual-ULP support */ 878 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for 879 PCI BAR4 with dual-ULP support */ 880 #define PCI_64BIT_BAR0 0 881 #define PCI_64BIT_BAR2 2 882 #define PCI_64BIT_BAR4 4 883 void __iomem *MBslimaddr; /* virtual address for mbox cmds */ 884 void __iomem *HAregaddr; /* virtual address for host attn reg */ 885 void __iomem *CAregaddr; /* virtual address for chip attn reg */ 886 void __iomem *HSregaddr; /* virtual address for host status 887 reg */ 888 void __iomem *HCregaddr; /* virtual address for host ctl reg */ 889 890 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ 891 struct lpfc_pgp *port_gp; 892 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ 893 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ 894 895 int brd_no; /* FC board number */ 896 char SerialNumber[32]; /* adapter Serial Number */ 897 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ 898 char ModelDesc[256]; /* Model Description */ 899 char ModelName[80]; /* Model Name */ 900 char ProgramType[256]; /* Program Type */ 901 char Port[20]; /* Port No */ 902 uint8_t vpd_flag; /* VPD data flag */ 903 904 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ 905 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ 906 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ 907 #define VPD_PORT 0x8 /* valid vpd port data */ 908 #define VPD_MASK 0xf /* mask for any vpd data */ 909 910 uint8_t soft_wwn_enable; 911 912 struct timer_list fcp_poll_timer; 913 struct timer_list eratt_poll; 914 uint32_t eratt_poll_interval; 915 916 /* 917 * stat counters 918 */ 919 atomic_t fc4ScsiInputRequests; 920 atomic_t fc4ScsiOutputRequests; 921 atomic_t fc4ScsiControlRequests; 922 atomic_t fc4ScsiIoCmpls; 923 924 uint64_t bg_guard_err_cnt; 925 uint64_t bg_apptag_err_cnt; 926 uint64_t bg_reftag_err_cnt; 927 928 /* fastpath list. */ 929 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */ 930 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */ 931 struct list_head lpfc_scsi_buf_list_get; 932 struct list_head lpfc_scsi_buf_list_put; 933 uint32_t total_scsi_bufs; 934 spinlock_t nvme_buf_list_get_lock; /* NVME buf alloc list lock */ 935 spinlock_t nvme_buf_list_put_lock; /* NVME buf free list lock */ 936 struct list_head lpfc_nvme_buf_list_get; 937 struct list_head lpfc_nvme_buf_list_put; 938 uint32_t total_nvme_bufs; 939 uint32_t get_nvme_bufs; 940 uint32_t put_nvme_bufs; 941 struct list_head lpfc_iocb_list; 942 uint32_t total_iocbq_bufs; 943 struct list_head active_rrq_list; 944 spinlock_t hbalock; 945 946 /* dma_mem_pools */ 947 struct dma_pool *lpfc_sg_dma_buf_pool; 948 struct dma_pool *lpfc_mbuf_pool; 949 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */ 950 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */ 951 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */ 952 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ 953 struct dma_pool *txrdy_payload_pool; 954 struct lpfc_dma_pool lpfc_mbuf_safety_pool; 955 956 mempool_t *mbox_mem_pool; 957 mempool_t *nlp_mem_pool; 958 mempool_t *rrq_pool; 959 mempool_t *active_rrq_pool; 960 961 struct fc_host_statistics link_stats; 962 enum intr_type_t intr_type; 963 uint32_t intr_mode; 964 #define LPFC_INTR_ERROR 0xFFFFFFFF 965 struct list_head port_list; 966 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 967 uint16_t max_vpi; /* Maximum virtual nports */ 968 #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ 969 uint16_t max_vports; /* 970 * For IOV HBAs max_vpi can change 971 * after a reset. max_vports is max 972 * number of vports present. This can 973 * be greater than max_vpi. 974 */ 975 uint16_t vpi_base; 976 uint16_t vfi_base; 977 unsigned long *vpi_bmask; /* vpi allocation table */ 978 uint16_t *vpi_ids; 979 uint16_t vpi_count; 980 struct list_head lpfc_vpi_blk_list; 981 982 /* Data structure used by fabric iocb scheduler */ 983 struct list_head fabric_iocb_list; 984 atomic_t fabric_iocb_count; 985 struct timer_list fabric_block_timer; 986 unsigned long bit_flags; 987 #define FABRIC_COMANDS_BLOCKED 0 988 atomic_t num_rsrc_err; 989 atomic_t num_cmd_success; 990 unsigned long last_rsrc_error_time; 991 unsigned long last_ramp_down_time; 992 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 993 struct dentry *hba_debugfs_root; 994 atomic_t debugfs_vport_count; 995 struct dentry *debug_hbqinfo; 996 struct dentry *debug_dumpHostSlim; 997 struct dentry *debug_dumpHBASlim; 998 struct dentry *debug_dumpData; /* BlockGuard BPL */ 999 struct dentry *debug_dumpDif; /* BlockGuard BPL */ 1000 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */ 1001 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */ 1002 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */ 1003 struct dentry *debug_writeGuard; /* inject write guard_tag errors */ 1004 struct dentry *debug_writeApp; /* inject write app_tag errors */ 1005 struct dentry *debug_writeRef; /* inject write ref_tag errors */ 1006 struct dentry *debug_readGuard; /* inject read guard_tag errors */ 1007 struct dentry *debug_readApp; /* inject read app_tag errors */ 1008 struct dentry *debug_readRef; /* inject read ref_tag errors */ 1009 1010 struct dentry *debug_nvmeio_trc; 1011 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc; 1012 atomic_t nvmeio_trc_cnt; 1013 uint32_t nvmeio_trc_size; 1014 uint32_t nvmeio_trc_output_idx; 1015 1016 /* T10 DIF error injection */ 1017 uint32_t lpfc_injerr_wgrd_cnt; 1018 uint32_t lpfc_injerr_wapp_cnt; 1019 uint32_t lpfc_injerr_wref_cnt; 1020 uint32_t lpfc_injerr_rgrd_cnt; 1021 uint32_t lpfc_injerr_rapp_cnt; 1022 uint32_t lpfc_injerr_rref_cnt; 1023 uint32_t lpfc_injerr_nportid; 1024 struct lpfc_name lpfc_injerr_wwpn; 1025 sector_t lpfc_injerr_lba; 1026 #define LPFC_INJERR_LBA_OFF (sector_t)(-1) 1027 1028 struct dentry *debug_slow_ring_trc; 1029 struct lpfc_debugfs_trc *slow_ring_trc; 1030 atomic_t slow_ring_trc_cnt; 1031 /* iDiag debugfs sub-directory */ 1032 struct dentry *idiag_root; 1033 struct dentry *idiag_pci_cfg; 1034 struct dentry *idiag_bar_acc; 1035 struct dentry *idiag_que_info; 1036 struct dentry *idiag_que_acc; 1037 struct dentry *idiag_drb_acc; 1038 struct dentry *idiag_ctl_acc; 1039 struct dentry *idiag_mbx_acc; 1040 struct dentry *idiag_ext_acc; 1041 uint8_t lpfc_idiag_last_eq; 1042 #endif 1043 uint16_t nvmeio_trc_on; 1044 1045 /* Used for deferred freeing of ELS data buffers */ 1046 struct list_head elsbuf; 1047 int elsbuf_cnt; 1048 int elsbuf_prev_cnt; 1049 1050 uint8_t temp_sensor_support; 1051 /* Fields used for heart beat. */ 1052 unsigned long last_eqdelay_time; 1053 unsigned long last_completion_time; 1054 unsigned long skipped_hb; 1055 struct timer_list hb_tmofunc; 1056 uint8_t hb_outstanding; 1057 struct timer_list rrq_tmr; 1058 enum hba_temp_state over_temp_state; 1059 /* ndlp reference management */ 1060 spinlock_t ndlp_lock; 1061 /* 1062 * Following bit will be set for all buffer tags which are not 1063 * associated with any HBQ. 1064 */ 1065 #define QUE_BUFTAG_BIT (1<<31) 1066 uint32_t buffer_tag_count; 1067 int wait_4_mlo_maint_flg; 1068 wait_queue_head_t wait_4_mlo_m_q; 1069 /* data structure used for latency data collection */ 1070 #define LPFC_NO_BUCKET 0 1071 #define LPFC_LINEAR_BUCKET 1 1072 #define LPFC_POWER2_BUCKET 2 1073 uint8_t bucket_type; 1074 uint32_t bucket_base; 1075 uint32_t bucket_step; 1076 1077 /* Maximum number of events that can be outstanding at any time*/ 1078 #define LPFC_MAX_EVT_COUNT 512 1079 atomic_t fast_event_count; 1080 uint32_t fcoe_eventtag; 1081 uint32_t fcoe_eventtag_at_fcf_scan; 1082 uint32_t fcoe_cvl_eventtag; 1083 uint32_t fcoe_cvl_eventtag_attn; 1084 struct lpfc_fcf fcf; 1085 uint8_t fc_map[3]; 1086 uint8_t valid_vlan; 1087 uint16_t vlan_id; 1088 struct list_head fcf_conn_rec_list; 1089 1090 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */ 1091 struct list_head ct_ev_waiters; 1092 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; 1093 uint32_t ctx_idx; 1094 1095 uint8_t menlo_flag; /* menlo generic flags */ 1096 #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */ 1097 uint32_t iocb_cnt; 1098 uint32_t iocb_max; 1099 atomic_t sdev_cnt; 1100 uint8_t fips_spec_rev; 1101 uint8_t fips_level; 1102 spinlock_t devicelock; /* lock for luns list */ 1103 mempool_t *device_data_mem_pool; 1104 struct list_head luns; 1105 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080 1106 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040 1107 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020 1108 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010 1109 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008 1110 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004 1111 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002 1112 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001 1113 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000 1114 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000 1115 uint16_t sfp_alarm; 1116 uint16_t sfp_warning; 1117 1118 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1119 #define LPFC_CHECK_CPU_CNT 32 1120 uint32_t cpucheck_rcv_io[LPFC_CHECK_CPU_CNT]; 1121 uint32_t cpucheck_xmt_io[LPFC_CHECK_CPU_CNT]; 1122 uint32_t cpucheck_cmpl_io[LPFC_CHECK_CPU_CNT]; 1123 uint32_t cpucheck_ccmpl_io[LPFC_CHECK_CPU_CNT]; 1124 uint16_t cpucheck_on; 1125 #define LPFC_CHECK_OFF 0 1126 #define LPFC_CHECK_NVME_IO 1 1127 #define LPFC_CHECK_NVMET_RCV 2 1128 #define LPFC_CHECK_NVMET_IO 4 1129 uint16_t ktime_on; 1130 uint64_t ktime_data_samples; 1131 uint64_t ktime_status_samples; 1132 uint64_t ktime_last_cmd; 1133 uint64_t ktime_seg1_total; 1134 uint64_t ktime_seg1_min; 1135 uint64_t ktime_seg1_max; 1136 uint64_t ktime_seg2_total; 1137 uint64_t ktime_seg2_min; 1138 uint64_t ktime_seg2_max; 1139 uint64_t ktime_seg3_total; 1140 uint64_t ktime_seg3_min; 1141 uint64_t ktime_seg3_max; 1142 uint64_t ktime_seg4_total; 1143 uint64_t ktime_seg4_min; 1144 uint64_t ktime_seg4_max; 1145 uint64_t ktime_seg5_total; 1146 uint64_t ktime_seg5_min; 1147 uint64_t ktime_seg5_max; 1148 uint64_t ktime_seg6_total; 1149 uint64_t ktime_seg6_min; 1150 uint64_t ktime_seg6_max; 1151 uint64_t ktime_seg7_total; 1152 uint64_t ktime_seg7_min; 1153 uint64_t ktime_seg7_max; 1154 uint64_t ktime_seg8_total; 1155 uint64_t ktime_seg8_min; 1156 uint64_t ktime_seg8_max; 1157 uint64_t ktime_seg9_total; 1158 uint64_t ktime_seg9_min; 1159 uint64_t ktime_seg9_max; 1160 uint64_t ktime_seg10_total; 1161 uint64_t ktime_seg10_min; 1162 uint64_t ktime_seg10_max; 1163 #endif 1164 }; 1165 1166 static inline struct Scsi_Host * 1167 lpfc_shost_from_vport(struct lpfc_vport *vport) 1168 { 1169 return container_of((void *) vport, struct Scsi_Host, hostdata[0]); 1170 } 1171 1172 static inline void 1173 lpfc_set_loopback_flag(struct lpfc_hba *phba) 1174 { 1175 if (phba->cfg_topology == FLAGS_LOCAL_LB) 1176 phba->link_flag |= LS_LOOPBACK_MODE; 1177 else 1178 phba->link_flag &= ~LS_LOOPBACK_MODE; 1179 } 1180 1181 static inline int 1182 lpfc_is_link_up(struct lpfc_hba *phba) 1183 { 1184 return phba->link_state == LPFC_LINK_UP || 1185 phba->link_state == LPFC_CLEAR_LA || 1186 phba->link_state == LPFC_HBA_READY; 1187 } 1188 1189 static inline void 1190 lpfc_worker_wake_up(struct lpfc_hba *phba) 1191 { 1192 /* Set the lpfc data pending flag */ 1193 set_bit(LPFC_DATA_READY, &phba->data_flags); 1194 1195 /* Wake up worker thread */ 1196 wake_up(&phba->work_waitq); 1197 return; 1198 } 1199 1200 static inline int 1201 lpfc_readl(void __iomem *addr, uint32_t *data) 1202 { 1203 uint32_t temp; 1204 temp = readl(addr); 1205 if (temp == 0xffffffff) 1206 return -EIO; 1207 *data = temp; 1208 return 0; 1209 } 1210 1211 static inline int 1212 lpfc_sli_read_hs(struct lpfc_hba *phba) 1213 { 1214 /* 1215 * There was a link/board error. Read the status register to retrieve 1216 * the error event and process it. 1217 */ 1218 phba->sli.slistat.err_attn_event++; 1219 1220 /* Save status info and check for unplug error */ 1221 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) || 1222 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) || 1223 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) { 1224 return -EIO; 1225 } 1226 1227 /* Clear chip Host Attention error bit */ 1228 writel(HA_ERATT, phba->HAregaddr); 1229 readl(phba->HAregaddr); /* flush */ 1230 phba->pport->stopped = 1; 1231 1232 return 0; 1233 } 1234 1235 static inline struct lpfc_sli_ring * 1236 lpfc_phba_elsring(struct lpfc_hba *phba) 1237 { 1238 if (phba->sli_rev == LPFC_SLI_REV4) { 1239 if (phba->sli4_hba.els_wq) 1240 return phba->sli4_hba.els_wq->pring; 1241 else 1242 return NULL; 1243 } 1244 return &phba->sli.sli3_ring[LPFC_ELS_RING]; 1245 } 1246