1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 8 * * 9 * This program is free software; you can redistribute it and/or * 10 * modify it under the terms of version 2 of the GNU General * 11 * Public License as published by the Free Software Foundation. * 12 * This program is distributed in the hope that it will be useful. * 13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 17 * TO BE LEGALLY INVALID. See the GNU General Public License for * 18 * more details, a copy of which can be found in the file COPYING * 19 * included with this package. * 20 *******************************************************************/ 21 22 #include <scsi/scsi_host.h> 23 24 struct lpfc_sli2_slim; 25 26 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */ 27 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els 28 requests */ 29 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact 30 the NameServer before giving up. */ 31 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ 32 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ 33 #define LPFC_MAX_SG_SEG_CNT 256 /* sg element count per scsi cmnd */ 34 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ 35 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ 36 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */ 37 #define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt 38 queue depth change in millisecs */ 39 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */ 40 #define LPFC_MIN_TGT_QDEPTH 100 41 #define LPFC_MAX_TGT_QDEPTH 0xFFFF 42 43 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data 44 collection. */ 45 /* 46 * Following time intervals are used of adjusting SCSI device 47 * queue depths when there are driver resource error or Firmware 48 * resource error. 49 */ 50 #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */ 51 #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */ 52 53 /* Number of exchanges reserved for discovery to complete */ 54 #define LPFC_DISC_IOCB_BUFF_COUNT 20 55 56 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ 57 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ 58 59 /* Error Attention event polling interval */ 60 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */ 61 62 /* Define macros for 64 bit support */ 63 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) 64 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) 65 #define getPaddr(high, low) ((dma_addr_t)( \ 66 (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) 67 /* Provide maximum configuration definitions. */ 68 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ 69 #define FC_MAX_ADPTMSG 64 70 71 #define MAX_HBAEVT 32 72 73 /* Number of MSI-X vectors the driver uses */ 74 #define LPFC_MSIX_VECTORS 2 75 76 /* lpfc wait event data ready flag */ 77 #define LPFC_DATA_READY (1<<0) 78 79 enum lpfc_polling_flags { 80 ENABLE_FCP_RING_POLLING = 0x1, 81 DISABLE_FCP_RING_INT = 0x2 82 }; 83 84 /* Provide DMA memory definitions the driver uses per port instance. */ 85 struct lpfc_dmabuf { 86 struct list_head list; 87 void *virt; /* virtual address ptr */ 88 dma_addr_t phys; /* mapped address */ 89 uint32_t buffer_tag; /* used for tagged queue ring */ 90 }; 91 92 struct lpfc_dma_pool { 93 struct lpfc_dmabuf *elements; 94 uint32_t max_count; 95 uint32_t current_count; 96 }; 97 98 struct hbq_dmabuf { 99 struct lpfc_dmabuf dbuf; 100 uint32_t size; 101 uint32_t tag; 102 }; 103 104 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ 105 #define MEM_PRI 0x100 106 107 108 /****************************************************************************/ 109 /* Device VPD save area */ 110 /****************************************************************************/ 111 typedef struct lpfc_vpd { 112 uint32_t status; /* vpd status value */ 113 uint32_t length; /* number of bytes actually returned */ 114 struct { 115 uint32_t rsvd1; /* Revision numbers */ 116 uint32_t biuRev; 117 uint32_t smRev; 118 uint32_t smFwRev; 119 uint32_t endecRev; 120 uint16_t rBit; 121 uint8_t fcphHigh; 122 uint8_t fcphLow; 123 uint8_t feaLevelHigh; 124 uint8_t feaLevelLow; 125 uint32_t postKernRev; 126 uint32_t opFwRev; 127 uint8_t opFwName[16]; 128 uint32_t sli1FwRev; 129 uint8_t sli1FwName[16]; 130 uint32_t sli2FwRev; 131 uint8_t sli2FwName[16]; 132 } rev; 133 struct { 134 #ifdef __BIG_ENDIAN_BITFIELD 135 uint32_t rsvd2 :24; /* Reserved */ 136 uint32_t cmv : 1; /* Configure Max VPIs */ 137 uint32_t ccrp : 1; /* Config Command Ring Polling */ 138 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 139 uint32_t chbs : 1; /* Cofigure Host Backing store */ 140 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 141 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 142 uint32_t cmx : 1; /* Configure Max XRIs */ 143 uint32_t cmr : 1; /* Configure Max RPIs */ 144 #else /* __LITTLE_ENDIAN */ 145 uint32_t cmr : 1; /* Configure Max RPIs */ 146 uint32_t cmx : 1; /* Configure Max XRIs */ 147 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 148 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 149 uint32_t chbs : 1; /* Cofigure Host Backing store */ 150 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 151 uint32_t ccrp : 1; /* Config Command Ring Polling */ 152 uint32_t cmv : 1; /* Configure Max VPIs */ 153 uint32_t rsvd2 :24; /* Reserved */ 154 #endif 155 } sli3Feat; 156 } lpfc_vpd_t; 157 158 struct lpfc_scsi_buf; 159 160 161 /* 162 * lpfc stat counters 163 */ 164 struct lpfc_stats { 165 /* Statistics for ELS commands */ 166 uint32_t elsLogiCol; 167 uint32_t elsRetryExceeded; 168 uint32_t elsXmitRetry; 169 uint32_t elsDelayRetry; 170 uint32_t elsRcvDrop; 171 uint32_t elsRcvFrame; 172 uint32_t elsRcvRSCN; 173 uint32_t elsRcvRNID; 174 uint32_t elsRcvFARP; 175 uint32_t elsRcvFARPR; 176 uint32_t elsRcvFLOGI; 177 uint32_t elsRcvPLOGI; 178 uint32_t elsRcvADISC; 179 uint32_t elsRcvPDISC; 180 uint32_t elsRcvFAN; 181 uint32_t elsRcvLOGO; 182 uint32_t elsRcvPRLO; 183 uint32_t elsRcvPRLI; 184 uint32_t elsRcvLIRR; 185 uint32_t elsRcvRPS; 186 uint32_t elsRcvRPL; 187 uint32_t elsXmitFLOGI; 188 uint32_t elsXmitFDISC; 189 uint32_t elsXmitPLOGI; 190 uint32_t elsXmitPRLI; 191 uint32_t elsXmitADISC; 192 uint32_t elsXmitLOGO; 193 uint32_t elsXmitSCR; 194 uint32_t elsXmitRNID; 195 uint32_t elsXmitFARP; 196 uint32_t elsXmitFARPR; 197 uint32_t elsXmitACC; 198 uint32_t elsXmitLSRJT; 199 200 uint32_t frameRcvBcast; 201 uint32_t frameRcvMulti; 202 uint32_t strayXmitCmpl; 203 uint32_t frameXmitDelay; 204 uint32_t xriCmdCmpl; 205 uint32_t xriStatErr; 206 uint32_t LinkUp; 207 uint32_t LinkDown; 208 uint32_t LinkMultiEvent; 209 uint32_t NoRcvBuf; 210 uint32_t fcpCmd; 211 uint32_t fcpCmpl; 212 uint32_t fcpRspErr; 213 uint32_t fcpRemoteStop; 214 uint32_t fcpPortRjt; 215 uint32_t fcpPortBusy; 216 uint32_t fcpError; 217 uint32_t fcpLocalErr; 218 }; 219 220 enum sysfs_mbox_state { 221 SMBOX_IDLE, 222 SMBOX_WRITING, 223 SMBOX_READING 224 }; 225 226 struct lpfc_sysfs_mbox { 227 enum sysfs_mbox_state state; 228 size_t offset; 229 struct lpfcMboxq * mbox; 230 }; 231 232 struct lpfc_hba; 233 234 235 enum discovery_state { 236 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ 237 LPFC_VPORT_FAILED = 1, /* vport has failed */ 238 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ 239 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ 240 LPFC_FDISC = 8, /* FDISC sent for vport */ 241 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id 242 * configured */ 243 LPFC_NS_REG = 10, /* Register with NameServer */ 244 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ 245 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for 246 * device authentication / discovery */ 247 LPFC_DISC_AUTH = 13, /* Processing ADISC list */ 248 LPFC_VPORT_READY = 32, 249 }; 250 251 enum hba_state { 252 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ 253 LPFC_WARM_START = 1, /* HBA state after selective reset */ 254 LPFC_INIT_START = 2, /* Initial state after board reset */ 255 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ 256 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ 257 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ 258 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue 259 * CLEAR_LA */ 260 LPFC_HBA_READY = 32, 261 LPFC_HBA_ERROR = -1 262 }; 263 264 struct lpfc_vport { 265 struct list_head listentry; 266 struct lpfc_hba *phba; 267 uint8_t port_type; 268 #define LPFC_PHYSICAL_PORT 1 269 #define LPFC_NPIV_PORT 2 270 #define LPFC_FABRIC_PORT 3 271 enum discovery_state port_state; 272 273 uint16_t vpi; 274 275 uint32_t fc_flag; /* FC flags */ 276 /* Several of these flags are HBA centric and should be moved to 277 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) 278 */ 279 #define FC_PT2PT 0x1 /* pt2pt with no fabric */ 280 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ 281 #define FC_DISC_TMO 0x4 /* Discovery timer running */ 282 #define FC_PUBLIC_LOOP 0x8 /* Public loop */ 283 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ 284 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ 285 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ 286 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ 287 #define FC_FABRIC 0x100 /* We are fabric attached */ 288 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ 289 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ 290 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ 291 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ 292 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ 293 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ 294 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ 295 296 uint32_t ct_flags; 297 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ 298 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ 299 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ 300 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ 301 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ 302 303 struct list_head fc_nodes; 304 305 /* Keep counters for the number of entries in each list. */ 306 uint16_t fc_plogi_cnt; 307 uint16_t fc_adisc_cnt; 308 uint16_t fc_reglogin_cnt; 309 uint16_t fc_prli_cnt; 310 uint16_t fc_unmap_cnt; 311 uint16_t fc_map_cnt; 312 uint16_t fc_npr_cnt; 313 uint16_t fc_unused_cnt; 314 struct serv_parm fc_sparam; /* buffer for our service parameters */ 315 316 uint32_t fc_myDID; /* fibre channel S_ID */ 317 uint32_t fc_prevDID; /* previous fibre channel S_ID */ 318 319 int32_t stopped; /* HBA has not been restarted since last ERATT */ 320 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 321 322 uint32_t num_disc_nodes; /*in addition to hba_state */ 323 324 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ 325 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ 326 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ 327 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 328 struct lpfc_name fc_nodename; /* fc nodename */ 329 struct lpfc_name fc_portname; /* fc portname */ 330 331 struct lpfc_work_evt disc_timeout_evt; 332 333 struct timer_list fc_disctmo; /* Discovery rescue timer */ 334 uint8_t fc_ns_retry; /* retries for fabric nameserver */ 335 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ 336 337 spinlock_t work_port_lock; 338 uint32_t work_port_events; /* Timeout to be handled */ 339 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ 340 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ 341 #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */ 342 343 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ 344 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ 345 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ 346 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ 347 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ 348 349 struct timer_list fc_fdmitmo; 350 struct timer_list els_tmofunc; 351 352 int unreg_vpi_cmpl; 353 354 uint8_t load_flag; 355 #define FC_LOADING 0x1 /* HBA in process of loading drvr */ 356 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ 357 char *vname; /* Application assigned name */ 358 359 /* Vport Config Parameters */ 360 uint32_t cfg_scan_down; 361 uint32_t cfg_lun_queue_depth; 362 uint32_t cfg_nodev_tmo; 363 uint32_t cfg_devloss_tmo; 364 uint32_t cfg_restrict_login; 365 uint32_t cfg_peer_port_login; 366 uint32_t cfg_fcp_class; 367 uint32_t cfg_use_adisc; 368 uint32_t cfg_fdmi_on; 369 uint32_t cfg_discovery_threads; 370 uint32_t cfg_log_verbose; 371 uint32_t cfg_max_luns; 372 uint32_t cfg_enable_da_id; 373 uint32_t cfg_max_scsicmpl_time; 374 375 uint32_t dev_loss_tmo_changed; 376 377 struct fc_vport *fc_vport; 378 379 #ifdef CONFIG_LPFC_DEBUG_FS 380 struct dentry *debug_disc_trc; 381 struct dentry *debug_nodelist; 382 struct dentry *vport_debugfs_root; 383 struct lpfc_debugfs_trc *disc_trc; 384 atomic_t disc_trc_cnt; 385 #endif 386 uint8_t stat_data_enabled; 387 uint8_t stat_data_blocked; 388 }; 389 390 struct hbq_s { 391 uint16_t entry_count; /* Current number of HBQ slots */ 392 uint16_t buffer_count; /* Current number of buffers posted */ 393 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ 394 uint32_t hbqPutIdx; /* HBQ slot to use */ 395 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ 396 void *hbq_virt; /* Virtual ptr to this hbq */ 397 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ 398 /* Callback for HBQ buffer allocation */ 399 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); 400 /* Callback for HBQ buffer free */ 401 void (*hbq_free_buffer) (struct lpfc_hba *, 402 struct hbq_dmabuf *); 403 }; 404 405 #define LPFC_MAX_HBQS 4 406 /* this matches the position in the lpfc_hbq_defs array */ 407 #define LPFC_ELS_HBQ 0 408 #define LPFC_EXTRA_HBQ 1 409 410 enum hba_temp_state { 411 HBA_NORMAL_TEMP, 412 HBA_OVER_TEMP 413 }; 414 415 enum intr_type_t { 416 NONE = 0, 417 INTx, 418 MSI, 419 MSIX, 420 }; 421 422 struct lpfc_hba { 423 struct lpfc_sli sli; 424 uint32_t sli_rev; /* SLI2 or SLI3 */ 425 uint32_t sli3_options; /* Mask of enabled SLI3 options */ 426 #define LPFC_SLI3_HBQ_ENABLED 0x01 427 #define LPFC_SLI3_NPIV_ENABLED 0x02 428 #define LPFC_SLI3_VPORT_TEARDOWN 0x04 429 #define LPFC_SLI3_CRP_ENABLED 0x08 430 #define LPFC_SLI3_INB_ENABLED 0x10 431 uint32_t iocb_cmd_size; 432 uint32_t iocb_rsp_size; 433 434 enum hba_state link_state; 435 uint32_t link_flag; /* link state flags */ 436 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ 437 /* This flag is set while issuing */ 438 /* INIT_LINK mailbox command */ 439 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 440 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ 441 442 uint32_t hba_flag; /* hba generic flags */ 443 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ 444 445 struct lpfc_dmabuf slim2p; 446 447 MAILBOX_t *mbox; 448 uint32_t *inb_ha_copy; 449 uint32_t *inb_counter; 450 uint32_t inb_last_counter; 451 uint32_t ha_copy; 452 struct _PCB *pcb; 453 struct _IOCB *IOCBs; 454 455 struct lpfc_dmabuf hbqslimp; 456 457 uint16_t pci_cfg_value; 458 459 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 460 461 uint32_t fc_eventTag; /* event tag for link attention */ 462 463 /* These fields used to be binfo */ 464 uint32_t fc_pref_DID; /* preferred D_ID */ 465 uint8_t fc_pref_ALPA; /* preferred AL_PA */ 466 uint32_t fc_edtov; /* E_D_TOV timer value */ 467 uint32_t fc_arbtov; /* ARB_TOV timer value */ 468 uint32_t fc_ratov; /* R_A_TOV timer value */ 469 uint32_t fc_rttov; /* R_T_TOV timer value */ 470 uint32_t fc_altov; /* AL_TOV timer value */ 471 uint32_t fc_crtov; /* C_R_TOV timer value */ 472 uint32_t fc_citov; /* C_I_TOV timer value */ 473 474 struct serv_parm fc_fabparam; /* fabric service parameters buffer */ 475 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ 476 477 uint32_t lmt; 478 479 uint32_t fc_topology; /* link topology, from LINK INIT */ 480 481 struct lpfc_stats fc_stat; 482 483 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ 484 uint32_t nport_event_cnt; /* timestamp for nlplist entry */ 485 486 uint8_t wwnn[8]; 487 uint8_t wwpn[8]; 488 uint32_t RandomData[7]; 489 490 /* HBA Config Parameters */ 491 uint32_t cfg_ack0; 492 uint32_t cfg_enable_npiv; 493 uint32_t cfg_topology; 494 uint32_t cfg_link_speed; 495 uint32_t cfg_cr_delay; 496 uint32_t cfg_cr_count; 497 uint32_t cfg_multi_ring_support; 498 uint32_t cfg_multi_ring_rctl; 499 uint32_t cfg_multi_ring_type; 500 uint32_t cfg_poll; 501 uint32_t cfg_poll_tmo; 502 uint32_t cfg_use_msi; 503 uint32_t cfg_sg_seg_cnt; 504 uint32_t cfg_sg_dma_buf_size; 505 uint64_t cfg_soft_wwnn; 506 uint64_t cfg_soft_wwpn; 507 uint32_t cfg_hba_queue_depth; 508 uint32_t cfg_enable_hba_reset; 509 uint32_t cfg_enable_hba_heartbeat; 510 511 lpfc_vpd_t vpd; /* vital product data */ 512 513 struct pci_dev *pcidev; 514 struct list_head work_list; 515 uint32_t work_ha; /* Host Attention Bits for WT */ 516 uint32_t work_ha_mask; /* HA Bits owned by WT */ 517 uint32_t work_hs; /* HS stored in case of ERRAT */ 518 uint32_t work_status[2]; /* Extra status from SLIM */ 519 520 wait_queue_head_t work_waitq; 521 struct task_struct *worker_thread; 522 unsigned long data_flags; 523 524 uint32_t hbq_in_use; /* HBQs in use flag */ 525 struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */ 526 uint32_t hbq_count; /* Count of configured HBQs */ 527 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 528 529 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ 530 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ 531 void __iomem *slim_memmap_p; /* Kernel memory mapped address for 532 PCI BAR0 */ 533 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for 534 PCI BAR2 */ 535 536 void __iomem *MBslimaddr; /* virtual address for mbox cmds */ 537 void __iomem *HAregaddr; /* virtual address for host attn reg */ 538 void __iomem *CAregaddr; /* virtual address for chip attn reg */ 539 void __iomem *HSregaddr; /* virtual address for host status 540 reg */ 541 void __iomem *HCregaddr; /* virtual address for host ctl reg */ 542 543 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ 544 struct lpfc_pgp *port_gp; 545 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ 546 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ 547 548 int brd_no; /* FC board number */ 549 550 char SerialNumber[32]; /* adapter Serial Number */ 551 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ 552 char ModelDesc[256]; /* Model Description */ 553 char ModelName[80]; /* Model Name */ 554 char ProgramType[256]; /* Program Type */ 555 char Port[20]; /* Port No */ 556 uint8_t vpd_flag; /* VPD data flag */ 557 558 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ 559 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ 560 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ 561 #define VPD_PORT 0x8 /* valid vpd port data */ 562 #define VPD_MASK 0xf /* mask for any vpd data */ 563 564 uint8_t soft_wwn_enable; 565 566 struct timer_list fcp_poll_timer; 567 struct timer_list eratt_poll; 568 569 /* 570 * stat counters 571 */ 572 uint64_t fc4InputRequests; 573 uint64_t fc4OutputRequests; 574 uint64_t fc4ControlRequests; 575 576 struct lpfc_sysfs_mbox sysfs_mbox; 577 578 /* fastpath list. */ 579 spinlock_t scsi_buf_list_lock; 580 struct list_head lpfc_scsi_buf_list; 581 uint32_t total_scsi_bufs; 582 struct list_head lpfc_iocb_list; 583 uint32_t total_iocbq_bufs; 584 spinlock_t hbalock; 585 586 /* pci_mem_pools */ 587 struct pci_pool *lpfc_scsi_dma_buf_pool; 588 struct pci_pool *lpfc_mbuf_pool; 589 struct pci_pool *lpfc_hbq_pool; 590 struct lpfc_dma_pool lpfc_mbuf_safety_pool; 591 592 mempool_t *mbox_mem_pool; 593 mempool_t *nlp_mem_pool; 594 595 struct fc_host_statistics link_stats; 596 enum intr_type_t intr_type; 597 struct msix_entry msix_entries[LPFC_MSIX_VECTORS]; 598 599 struct list_head port_list; 600 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 601 uint16_t max_vpi; /* Maximum virtual nports */ 602 #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ 603 unsigned long *vpi_bmask; /* vpi allocation table */ 604 605 /* Data structure used by fabric iocb scheduler */ 606 struct list_head fabric_iocb_list; 607 atomic_t fabric_iocb_count; 608 struct timer_list fabric_block_timer; 609 unsigned long bit_flags; 610 #define FABRIC_COMANDS_BLOCKED 0 611 atomic_t num_rsrc_err; 612 atomic_t num_cmd_success; 613 unsigned long last_rsrc_error_time; 614 unsigned long last_ramp_down_time; 615 unsigned long last_ramp_up_time; 616 #ifdef CONFIG_LPFC_DEBUG_FS 617 struct dentry *hba_debugfs_root; 618 atomic_t debugfs_vport_count; 619 struct dentry *debug_hbqinfo; 620 struct dentry *debug_dumpHostSlim; 621 struct dentry *debug_dumpHBASlim; 622 struct dentry *debug_slow_ring_trc; 623 struct lpfc_debugfs_trc *slow_ring_trc; 624 atomic_t slow_ring_trc_cnt; 625 #endif 626 627 /* Used for deferred freeing of ELS data buffers */ 628 struct list_head elsbuf; 629 int elsbuf_cnt; 630 int elsbuf_prev_cnt; 631 632 uint8_t temp_sensor_support; 633 /* Fields used for heart beat. */ 634 unsigned long last_completion_time; 635 struct timer_list hb_tmofunc; 636 uint8_t hb_outstanding; 637 enum hba_temp_state over_temp_state; 638 /* ndlp reference management */ 639 spinlock_t ndlp_lock; 640 /* 641 * Following bit will be set for all buffer tags which are not 642 * associated with any HBQ. 643 */ 644 #define QUE_BUFTAG_BIT (1<<31) 645 uint32_t buffer_tag_count; 646 int wait_4_mlo_maint_flg; 647 wait_queue_head_t wait_4_mlo_m_q; 648 /* data structure used for latency data collection */ 649 #define LPFC_NO_BUCKET 0 650 #define LPFC_LINEAR_BUCKET 1 651 #define LPFC_POWER2_BUCKET 2 652 uint8_t bucket_type; 653 uint32_t bucket_base; 654 uint32_t bucket_step; 655 656 /* Maximum number of events that can be outstanding at any time*/ 657 #define LPFC_MAX_EVT_COUNT 512 658 atomic_t fast_event_count; 659 }; 660 661 static inline struct Scsi_Host * 662 lpfc_shost_from_vport(struct lpfc_vport *vport) 663 { 664 return container_of((void *) vport, struct Scsi_Host, hostdata[0]); 665 } 666 667 static inline void 668 lpfc_set_loopback_flag(struct lpfc_hba *phba) 669 { 670 if (phba->cfg_topology == FLAGS_LOCAL_LB) 671 phba->link_flag |= LS_LOOPBACK_MODE; 672 else 673 phba->link_flag &= ~LS_LOOPBACK_MODE; 674 } 675 676 static inline int 677 lpfc_is_link_up(struct lpfc_hba *phba) 678 { 679 return phba->link_state == LPFC_LINK_UP || 680 phba->link_state == LPFC_CLEAR_LA || 681 phba->link_state == LPFC_HBA_READY; 682 } 683 684 static inline void 685 lpfc_worker_wake_up(struct lpfc_hba *phba) 686 { 687 /* Set the lpfc data pending flag */ 688 set_bit(LPFC_DATA_READY, &phba->data_flags); 689 690 /* Wake up worker thread */ 691 wake_up(&phba->work_waitq); 692 return; 693 } 694 695 static inline void 696 lpfc_sli_read_hs(struct lpfc_hba *phba) 697 { 698 /* 699 * There was a link/board error. Read the status register to retrieve 700 * the error event and process it. 701 */ 702 phba->sli.slistat.err_attn_event++; 703 704 /* Save status info */ 705 phba->work_hs = readl(phba->HSregaddr); 706 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); 707 phba->work_status[1] = readl(phba->MBslimaddr + 0xac); 708 709 /* Clear chip Host Attention error bit */ 710 writel(HA_ERATT, phba->HAregaddr); 711 readl(phba->HAregaddr); /* flush */ 712 phba->pport->stopped = 1; 713 714 return; 715 } 716 717