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 38 /* 39 * Following time intervals are used of adjusting SCSI device 40 * queue depths when there are driver resource error or Firmware 41 * resource error. 42 */ 43 #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */ 44 #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */ 45 46 /* Number of exchanges reserved for discovery to complete */ 47 #define LPFC_DISC_IOCB_BUFF_COUNT 20 48 49 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ 50 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ 51 52 /* Define macros for 64 bit support */ 53 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) 54 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) 55 #define getPaddr(high, low) ((dma_addr_t)( \ 56 (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) 57 /* Provide maximum configuration definitions. */ 58 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ 59 #define FC_MAX_ADPTMSG 64 60 61 #define MAX_HBAEVT 32 62 63 /* lpfc wait event data ready flag */ 64 #define LPFC_DATA_READY (1<<0) 65 66 enum lpfc_polling_flags { 67 ENABLE_FCP_RING_POLLING = 0x1, 68 DISABLE_FCP_RING_INT = 0x2 69 }; 70 71 /* Provide DMA memory definitions the driver uses per port instance. */ 72 struct lpfc_dmabuf { 73 struct list_head list; 74 void *virt; /* virtual address ptr */ 75 dma_addr_t phys; /* mapped address */ 76 uint32_t buffer_tag; /* used for tagged queue ring */ 77 }; 78 79 struct lpfc_dma_pool { 80 struct lpfc_dmabuf *elements; 81 uint32_t max_count; 82 uint32_t current_count; 83 }; 84 85 struct hbq_dmabuf { 86 struct lpfc_dmabuf dbuf; 87 uint32_t size; 88 uint32_t tag; 89 }; 90 91 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ 92 #define MEM_PRI 0x100 93 94 95 /****************************************************************************/ 96 /* Device VPD save area */ 97 /****************************************************************************/ 98 typedef struct lpfc_vpd { 99 uint32_t status; /* vpd status value */ 100 uint32_t length; /* number of bytes actually returned */ 101 struct { 102 uint32_t rsvd1; /* Revision numbers */ 103 uint32_t biuRev; 104 uint32_t smRev; 105 uint32_t smFwRev; 106 uint32_t endecRev; 107 uint16_t rBit; 108 uint8_t fcphHigh; 109 uint8_t fcphLow; 110 uint8_t feaLevelHigh; 111 uint8_t feaLevelLow; 112 uint32_t postKernRev; 113 uint32_t opFwRev; 114 uint8_t opFwName[16]; 115 uint32_t sli1FwRev; 116 uint8_t sli1FwName[16]; 117 uint32_t sli2FwRev; 118 uint8_t sli2FwName[16]; 119 } rev; 120 struct { 121 #ifdef __BIG_ENDIAN_BITFIELD 122 uint32_t rsvd2 :24; /* Reserved */ 123 uint32_t cmv : 1; /* Configure Max VPIs */ 124 uint32_t ccrp : 1; /* Config Command Ring Polling */ 125 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 126 uint32_t chbs : 1; /* Cofigure Host Backing store */ 127 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 128 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 129 uint32_t cmx : 1; /* Configure Max XRIs */ 130 uint32_t cmr : 1; /* Configure Max RPIs */ 131 #else /* __LITTLE_ENDIAN */ 132 uint32_t cmr : 1; /* Configure Max RPIs */ 133 uint32_t cmx : 1; /* Configure Max XRIs */ 134 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 135 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 136 uint32_t chbs : 1; /* Cofigure Host Backing store */ 137 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 138 uint32_t ccrp : 1; /* Config Command Ring Polling */ 139 uint32_t cmv : 1; /* Configure Max VPIs */ 140 uint32_t rsvd2 :24; /* Reserved */ 141 #endif 142 } sli3Feat; 143 } lpfc_vpd_t; 144 145 struct lpfc_scsi_buf; 146 147 148 /* 149 * lpfc stat counters 150 */ 151 struct lpfc_stats { 152 /* Statistics for ELS commands */ 153 uint32_t elsLogiCol; 154 uint32_t elsRetryExceeded; 155 uint32_t elsXmitRetry; 156 uint32_t elsDelayRetry; 157 uint32_t elsRcvDrop; 158 uint32_t elsRcvFrame; 159 uint32_t elsRcvRSCN; 160 uint32_t elsRcvRNID; 161 uint32_t elsRcvFARP; 162 uint32_t elsRcvFARPR; 163 uint32_t elsRcvFLOGI; 164 uint32_t elsRcvPLOGI; 165 uint32_t elsRcvADISC; 166 uint32_t elsRcvPDISC; 167 uint32_t elsRcvFAN; 168 uint32_t elsRcvLOGO; 169 uint32_t elsRcvPRLO; 170 uint32_t elsRcvPRLI; 171 uint32_t elsRcvLIRR; 172 uint32_t elsRcvRPS; 173 uint32_t elsRcvRPL; 174 uint32_t elsXmitFLOGI; 175 uint32_t elsXmitFDISC; 176 uint32_t elsXmitPLOGI; 177 uint32_t elsXmitPRLI; 178 uint32_t elsXmitADISC; 179 uint32_t elsXmitLOGO; 180 uint32_t elsXmitSCR; 181 uint32_t elsXmitRNID; 182 uint32_t elsXmitFARP; 183 uint32_t elsXmitFARPR; 184 uint32_t elsXmitACC; 185 uint32_t elsXmitLSRJT; 186 187 uint32_t frameRcvBcast; 188 uint32_t frameRcvMulti; 189 uint32_t strayXmitCmpl; 190 uint32_t frameXmitDelay; 191 uint32_t xriCmdCmpl; 192 uint32_t xriStatErr; 193 uint32_t LinkUp; 194 uint32_t LinkDown; 195 uint32_t LinkMultiEvent; 196 uint32_t NoRcvBuf; 197 uint32_t fcpCmd; 198 uint32_t fcpCmpl; 199 uint32_t fcpRspErr; 200 uint32_t fcpRemoteStop; 201 uint32_t fcpPortRjt; 202 uint32_t fcpPortBusy; 203 uint32_t fcpError; 204 uint32_t fcpLocalErr; 205 }; 206 207 enum sysfs_mbox_state { 208 SMBOX_IDLE, 209 SMBOX_WRITING, 210 SMBOX_READING 211 }; 212 213 struct lpfc_sysfs_mbox { 214 enum sysfs_mbox_state state; 215 size_t offset; 216 struct lpfcMboxq * mbox; 217 }; 218 219 struct lpfc_hba; 220 221 222 enum discovery_state { 223 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ 224 LPFC_VPORT_FAILED = 1, /* vport has failed */ 225 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ 226 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ 227 LPFC_FDISC = 8, /* FDISC sent for vport */ 228 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id 229 * configured */ 230 LPFC_NS_REG = 10, /* Register with NameServer */ 231 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ 232 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for 233 * device authentication / discovery */ 234 LPFC_DISC_AUTH = 13, /* Processing ADISC list */ 235 LPFC_VPORT_READY = 32, 236 }; 237 238 enum hba_state { 239 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ 240 LPFC_WARM_START = 1, /* HBA state after selective reset */ 241 LPFC_INIT_START = 2, /* Initial state after board reset */ 242 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ 243 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ 244 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ 245 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue 246 * CLEAR_LA */ 247 LPFC_HBA_READY = 32, 248 LPFC_HBA_ERROR = -1 249 }; 250 251 struct lpfc_vport { 252 struct list_head listentry; 253 struct lpfc_hba *phba; 254 uint8_t port_type; 255 #define LPFC_PHYSICAL_PORT 1 256 #define LPFC_NPIV_PORT 2 257 #define LPFC_FABRIC_PORT 3 258 enum discovery_state port_state; 259 260 uint16_t vpi; 261 262 uint32_t fc_flag; /* FC flags */ 263 /* Several of these flags are HBA centric and should be moved to 264 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) 265 */ 266 #define FC_PT2PT 0x1 /* pt2pt with no fabric */ 267 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ 268 #define FC_DISC_TMO 0x4 /* Discovery timer running */ 269 #define FC_PUBLIC_LOOP 0x8 /* Public loop */ 270 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ 271 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ 272 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ 273 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ 274 #define FC_FABRIC 0x100 /* We are fabric attached */ 275 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ 276 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ 277 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ 278 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ 279 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ 280 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ 281 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ 282 283 uint32_t ct_flags; 284 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ 285 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ 286 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ 287 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ 288 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ 289 290 struct list_head fc_nodes; 291 292 /* Keep counters for the number of entries in each list. */ 293 uint16_t fc_plogi_cnt; 294 uint16_t fc_adisc_cnt; 295 uint16_t fc_reglogin_cnt; 296 uint16_t fc_prli_cnt; 297 uint16_t fc_unmap_cnt; 298 uint16_t fc_map_cnt; 299 uint16_t fc_npr_cnt; 300 uint16_t fc_unused_cnt; 301 struct serv_parm fc_sparam; /* buffer for our service parameters */ 302 303 uint32_t fc_myDID; /* fibre channel S_ID */ 304 uint32_t fc_prevDID; /* previous fibre channel S_ID */ 305 306 int32_t stopped; /* HBA has not been restarted since last ERATT */ 307 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 308 309 uint32_t num_disc_nodes; /*in addition to hba_state */ 310 311 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ 312 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ 313 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */ 314 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 315 struct lpfc_name fc_nodename; /* fc nodename */ 316 struct lpfc_name fc_portname; /* fc portname */ 317 318 struct lpfc_work_evt disc_timeout_evt; 319 320 struct timer_list fc_disctmo; /* Discovery rescue timer */ 321 uint8_t fc_ns_retry; /* retries for fabric nameserver */ 322 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ 323 324 spinlock_t work_port_lock; 325 uint32_t work_port_events; /* Timeout to be handled */ 326 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ 327 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ 328 #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */ 329 330 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ 331 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ 332 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ 333 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ 334 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ 335 336 struct timer_list fc_fdmitmo; 337 struct timer_list els_tmofunc; 338 339 int unreg_vpi_cmpl; 340 341 uint8_t load_flag; 342 #define FC_LOADING 0x1 /* HBA in process of loading drvr */ 343 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ 344 char *vname; /* Application assigned name */ 345 346 /* Vport Config Parameters */ 347 uint32_t cfg_scan_down; 348 uint32_t cfg_lun_queue_depth; 349 uint32_t cfg_nodev_tmo; 350 uint32_t cfg_devloss_tmo; 351 uint32_t cfg_restrict_login; 352 uint32_t cfg_peer_port_login; 353 uint32_t cfg_fcp_class; 354 uint32_t cfg_use_adisc; 355 uint32_t cfg_fdmi_on; 356 uint32_t cfg_discovery_threads; 357 uint32_t cfg_log_verbose; 358 uint32_t cfg_max_luns; 359 uint32_t cfg_enable_da_id; 360 361 uint32_t dev_loss_tmo_changed; 362 363 struct fc_vport *fc_vport; 364 365 #ifdef CONFIG_LPFC_DEBUG_FS 366 struct dentry *debug_disc_trc; 367 struct dentry *debug_nodelist; 368 struct dentry *vport_debugfs_root; 369 struct lpfc_debugfs_trc *disc_trc; 370 atomic_t disc_trc_cnt; 371 #endif 372 }; 373 374 struct hbq_s { 375 uint16_t entry_count; /* Current number of HBQ slots */ 376 uint16_t buffer_count; /* Current number of buffers posted */ 377 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ 378 uint32_t hbqPutIdx; /* HBQ slot to use */ 379 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ 380 void *hbq_virt; /* Virtual ptr to this hbq */ 381 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ 382 /* Callback for HBQ buffer allocation */ 383 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); 384 /* Callback for HBQ buffer free */ 385 void (*hbq_free_buffer) (struct lpfc_hba *, 386 struct hbq_dmabuf *); 387 }; 388 389 #define LPFC_MAX_HBQS 4 390 /* this matches the position in the lpfc_hbq_defs array */ 391 #define LPFC_ELS_HBQ 0 392 #define LPFC_EXTRA_HBQ 1 393 394 enum hba_temp_state { 395 HBA_NORMAL_TEMP, 396 HBA_OVER_TEMP 397 }; 398 399 enum intr_type_t { 400 NONE = 0, 401 INTx, 402 MSI, 403 MSIX, 404 }; 405 406 struct lpfc_hba { 407 struct lpfc_sli sli; 408 uint32_t sli_rev; /* SLI2 or SLI3 */ 409 uint32_t sli3_options; /* Mask of enabled SLI3 options */ 410 #define LPFC_SLI3_ENABLED 0x01 411 #define LPFC_SLI3_HBQ_ENABLED 0x02 412 #define LPFC_SLI3_NPIV_ENABLED 0x04 413 #define LPFC_SLI3_VPORT_TEARDOWN 0x08 414 uint32_t iocb_cmd_size; 415 uint32_t iocb_rsp_size; 416 417 enum hba_state link_state; 418 uint32_t link_flag; /* link state flags */ 419 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ 420 /* This flag is set while issuing */ 421 /* INIT_LINK mailbox command */ 422 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 423 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ 424 425 struct lpfc_sli2_slim *slim2p; 426 struct lpfc_dmabuf hbqslimp; 427 428 dma_addr_t slim2p_mapping; 429 430 uint16_t pci_cfg_value; 431 432 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 433 434 uint32_t fc_eventTag; /* event tag for link attention */ 435 436 /* These fields used to be binfo */ 437 uint32_t fc_pref_DID; /* preferred D_ID */ 438 uint8_t fc_pref_ALPA; /* preferred AL_PA */ 439 uint32_t fc_edtov; /* E_D_TOV timer value */ 440 uint32_t fc_arbtov; /* ARB_TOV timer value */ 441 uint32_t fc_ratov; /* R_A_TOV timer value */ 442 uint32_t fc_rttov; /* R_T_TOV timer value */ 443 uint32_t fc_altov; /* AL_TOV timer value */ 444 uint32_t fc_crtov; /* C_R_TOV timer value */ 445 uint32_t fc_citov; /* C_I_TOV timer value */ 446 447 struct serv_parm fc_fabparam; /* fabric service parameters buffer */ 448 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ 449 450 uint32_t lmt; 451 452 uint32_t fc_topology; /* link topology, from LINK INIT */ 453 454 struct lpfc_stats fc_stat; 455 456 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ 457 uint32_t nport_event_cnt; /* timestamp for nlplist entry */ 458 459 uint8_t wwnn[8]; 460 uint8_t wwpn[8]; 461 uint32_t RandomData[7]; 462 463 /* HBA Config Parameters */ 464 uint32_t cfg_ack0; 465 uint32_t cfg_enable_npiv; 466 uint32_t cfg_topology; 467 uint32_t cfg_link_speed; 468 uint32_t cfg_cr_delay; 469 uint32_t cfg_cr_count; 470 uint32_t cfg_multi_ring_support; 471 uint32_t cfg_multi_ring_rctl; 472 uint32_t cfg_multi_ring_type; 473 uint32_t cfg_poll; 474 uint32_t cfg_poll_tmo; 475 uint32_t cfg_use_msi; 476 uint32_t cfg_sg_seg_cnt; 477 uint32_t cfg_sg_dma_buf_size; 478 uint64_t cfg_soft_wwnn; 479 uint64_t cfg_soft_wwpn; 480 uint32_t cfg_hba_queue_depth; 481 uint32_t cfg_enable_hba_reset; 482 uint32_t cfg_enable_hba_heartbeat; 483 484 lpfc_vpd_t vpd; /* vital product data */ 485 486 struct pci_dev *pcidev; 487 struct list_head work_list; 488 uint32_t work_ha; /* Host Attention Bits for WT */ 489 uint32_t work_ha_mask; /* HA Bits owned by WT */ 490 uint32_t work_hs; /* HS stored in case of ERRAT */ 491 uint32_t work_status[2]; /* Extra status from SLIM */ 492 493 wait_queue_head_t work_waitq; 494 struct task_struct *worker_thread; 495 long data_flags; 496 497 uint32_t hbq_in_use; /* HBQs in use flag */ 498 struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */ 499 uint32_t hbq_count; /* Count of configured HBQs */ 500 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 501 502 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ 503 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ 504 void __iomem *slim_memmap_p; /* Kernel memory mapped address for 505 PCI BAR0 */ 506 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for 507 PCI BAR2 */ 508 509 void __iomem *MBslimaddr; /* virtual address for mbox cmds */ 510 void __iomem *HAregaddr; /* virtual address for host attn reg */ 511 void __iomem *CAregaddr; /* virtual address for chip attn reg */ 512 void __iomem *HSregaddr; /* virtual address for host status 513 reg */ 514 void __iomem *HCregaddr; /* virtual address for host ctl reg */ 515 516 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ 517 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ 518 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ 519 520 int brd_no; /* FC board number */ 521 522 char SerialNumber[32]; /* adapter Serial Number */ 523 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ 524 char ModelDesc[256]; /* Model Description */ 525 char ModelName[80]; /* Model Name */ 526 char ProgramType[256]; /* Program Type */ 527 char Port[20]; /* Port No */ 528 uint8_t vpd_flag; /* VPD data flag */ 529 530 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ 531 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ 532 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ 533 #define VPD_PORT 0x8 /* valid vpd port data */ 534 #define VPD_MASK 0xf /* mask for any vpd data */ 535 536 uint8_t soft_wwn_enable; 537 538 struct timer_list fcp_poll_timer; 539 540 /* 541 * stat counters 542 */ 543 uint64_t fc4InputRequests; 544 uint64_t fc4OutputRequests; 545 uint64_t fc4ControlRequests; 546 547 struct lpfc_sysfs_mbox sysfs_mbox; 548 549 /* fastpath list. */ 550 spinlock_t scsi_buf_list_lock; 551 struct list_head lpfc_scsi_buf_list; 552 uint32_t total_scsi_bufs; 553 struct list_head lpfc_iocb_list; 554 uint32_t total_iocbq_bufs; 555 spinlock_t hbalock; 556 557 /* pci_mem_pools */ 558 struct pci_pool *lpfc_scsi_dma_buf_pool; 559 struct pci_pool *lpfc_mbuf_pool; 560 struct pci_pool *lpfc_hbq_pool; 561 struct lpfc_dma_pool lpfc_mbuf_safety_pool; 562 563 mempool_t *mbox_mem_pool; 564 mempool_t *nlp_mem_pool; 565 566 struct fc_host_statistics link_stats; 567 enum intr_type_t intr_type; 568 struct msix_entry msix_entries[1]; 569 570 struct list_head port_list; 571 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 572 uint16_t max_vpi; /* Maximum virtual nports */ 573 #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ 574 unsigned long *vpi_bmask; /* vpi allocation table */ 575 576 /* Data structure used by fabric iocb scheduler */ 577 struct list_head fabric_iocb_list; 578 atomic_t fabric_iocb_count; 579 struct timer_list fabric_block_timer; 580 unsigned long bit_flags; 581 #define FABRIC_COMANDS_BLOCKED 0 582 atomic_t num_rsrc_err; 583 atomic_t num_cmd_success; 584 unsigned long last_rsrc_error_time; 585 unsigned long last_ramp_down_time; 586 unsigned long last_ramp_up_time; 587 #ifdef CONFIG_LPFC_DEBUG_FS 588 struct dentry *hba_debugfs_root; 589 atomic_t debugfs_vport_count; 590 struct dentry *debug_hbqinfo; 591 struct dentry *debug_dumpHostSlim; 592 struct dentry *debug_dumpHBASlim; 593 struct dentry *debug_slow_ring_trc; 594 struct lpfc_debugfs_trc *slow_ring_trc; 595 atomic_t slow_ring_trc_cnt; 596 #endif 597 598 /* Used for deferred freeing of ELS data buffers */ 599 struct list_head elsbuf; 600 int elsbuf_cnt; 601 int elsbuf_prev_cnt; 602 603 uint8_t temp_sensor_support; 604 /* Fields used for heart beat. */ 605 unsigned long last_completion_time; 606 struct timer_list hb_tmofunc; 607 uint8_t hb_outstanding; 608 /* ndlp reference management */ 609 spinlock_t ndlp_lock; 610 /* 611 * Following bit will be set for all buffer tags which are not 612 * associated with any HBQ. 613 */ 614 #define QUE_BUFTAG_BIT (1<<31) 615 uint32_t buffer_tag_count; 616 enum hba_temp_state over_temp_state; 617 }; 618 619 static inline struct Scsi_Host * 620 lpfc_shost_from_vport(struct lpfc_vport *vport) 621 { 622 return container_of((void *) vport, struct Scsi_Host, hostdata[0]); 623 } 624 625 static inline void 626 lpfc_set_loopback_flag(struct lpfc_hba *phba) 627 { 628 if (phba->cfg_topology == FLAGS_LOCAL_LB) 629 phba->link_flag |= LS_LOOPBACK_MODE; 630 else 631 phba->link_flag &= ~LS_LOOPBACK_MODE; 632 } 633 634 static inline int 635 lpfc_is_link_up(struct lpfc_hba *phba) 636 { 637 return phba->link_state == LPFC_LINK_UP || 638 phba->link_state == LPFC_CLEAR_LA || 639 phba->link_state == LPFC_HBA_READY; 640 } 641 642 static inline void 643 lpfc_worker_wake_up(struct lpfc_hba *phba) 644 { 645 /* Set the lpfc data pending flag */ 646 set_bit(LPFC_DATA_READY, &phba->data_flags); 647 648 /* Wake up worker thread */ 649 wake_up(&phba->work_waitq); 650 return; 651 } 652 653 #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ 654 #define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature 655 event */ 656 657 struct temp_event { 658 uint32_t event_type; 659 uint32_t event_code; 660 uint32_t data; 661 }; 662 #define LPFC_CRIT_TEMP 0x1 663 #define LPFC_THRESHOLD_TEMP 0x2 664 #define LPFC_NORMAL_TEMP 0x3 665