1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2004-2007 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 256 /* 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 37 /* 38 * Following time intervals are used of adjusting SCSI device 39 * queue depths when there are driver resource error or Firmware 40 * resource error. 41 */ 42 #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */ 43 #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */ 44 45 /* Number of exchanges reserved for discovery to complete */ 46 #define LPFC_DISC_IOCB_BUFF_COUNT 20 47 48 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ 49 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ 50 51 /* Define macros for 64 bit support */ 52 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) 53 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) 54 #define getPaddr(high, low) ((dma_addr_t)( \ 55 (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) 56 /* Provide maximum configuration definitions. */ 57 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ 58 #define FC_MAX_ADPTMSG 64 59 60 #define MAX_HBAEVT 32 61 62 enum lpfc_polling_flags { 63 ENABLE_FCP_RING_POLLING = 0x1, 64 DISABLE_FCP_RING_INT = 0x2 65 }; 66 67 /* Provide DMA memory definitions the driver uses per port instance. */ 68 struct lpfc_dmabuf { 69 struct list_head list; 70 void *virt; /* virtual address ptr */ 71 dma_addr_t phys; /* mapped address */ 72 uint32_t buffer_tag; /* used for tagged queue ring */ 73 }; 74 75 struct lpfc_dma_pool { 76 struct lpfc_dmabuf *elements; 77 uint32_t max_count; 78 uint32_t current_count; 79 }; 80 81 struct hbq_dmabuf { 82 struct lpfc_dmabuf dbuf; 83 uint32_t size; 84 uint32_t tag; 85 }; 86 87 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */ 88 #define MEM_PRI 0x100 89 90 91 /****************************************************************************/ 92 /* Device VPD save area */ 93 /****************************************************************************/ 94 typedef struct lpfc_vpd { 95 uint32_t status; /* vpd status value */ 96 uint32_t length; /* number of bytes actually returned */ 97 struct { 98 uint32_t rsvd1; /* Revision numbers */ 99 uint32_t biuRev; 100 uint32_t smRev; 101 uint32_t smFwRev; 102 uint32_t endecRev; 103 uint16_t rBit; 104 uint8_t fcphHigh; 105 uint8_t fcphLow; 106 uint8_t feaLevelHigh; 107 uint8_t feaLevelLow; 108 uint32_t postKernRev; 109 uint32_t opFwRev; 110 uint8_t opFwName[16]; 111 uint32_t sli1FwRev; 112 uint8_t sli1FwName[16]; 113 uint32_t sli2FwRev; 114 uint8_t sli2FwName[16]; 115 } rev; 116 struct { 117 #ifdef __BIG_ENDIAN_BITFIELD 118 uint32_t rsvd2 :24; /* Reserved */ 119 uint32_t cmv : 1; /* Configure Max VPIs */ 120 uint32_t ccrp : 1; /* Config Command Ring Polling */ 121 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 122 uint32_t chbs : 1; /* Cofigure Host Backing store */ 123 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 124 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 125 uint32_t cmx : 1; /* Configure Max XRIs */ 126 uint32_t cmr : 1; /* Configure Max RPIs */ 127 #else /* __LITTLE_ENDIAN */ 128 uint32_t cmr : 1; /* Configure Max RPIs */ 129 uint32_t cmx : 1; /* Configure Max XRIs */ 130 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */ 131 uint32_t cinb : 1; /* Enable Interrupt Notification Block */ 132 uint32_t chbs : 1; /* Cofigure Host Backing store */ 133 uint32_t csah : 1; /* Configure Synchronous Abort Handling */ 134 uint32_t ccrp : 1; /* Config Command Ring Polling */ 135 uint32_t cmv : 1; /* Configure Max VPIs */ 136 uint32_t rsvd2 :24; /* Reserved */ 137 #endif 138 } sli3Feat; 139 } lpfc_vpd_t; 140 141 struct lpfc_scsi_buf; 142 143 144 /* 145 * lpfc stat counters 146 */ 147 struct lpfc_stats { 148 /* Statistics for ELS commands */ 149 uint32_t elsLogiCol; 150 uint32_t elsRetryExceeded; 151 uint32_t elsXmitRetry; 152 uint32_t elsDelayRetry; 153 uint32_t elsRcvDrop; 154 uint32_t elsRcvFrame; 155 uint32_t elsRcvRSCN; 156 uint32_t elsRcvRNID; 157 uint32_t elsRcvFARP; 158 uint32_t elsRcvFARPR; 159 uint32_t elsRcvFLOGI; 160 uint32_t elsRcvPLOGI; 161 uint32_t elsRcvADISC; 162 uint32_t elsRcvPDISC; 163 uint32_t elsRcvFAN; 164 uint32_t elsRcvLOGO; 165 uint32_t elsRcvPRLO; 166 uint32_t elsRcvPRLI; 167 uint32_t elsRcvLIRR; 168 uint32_t elsRcvRPS; 169 uint32_t elsRcvRPL; 170 uint32_t elsXmitFLOGI; 171 uint32_t elsXmitFDISC; 172 uint32_t elsXmitPLOGI; 173 uint32_t elsXmitPRLI; 174 uint32_t elsXmitADISC; 175 uint32_t elsXmitLOGO; 176 uint32_t elsXmitSCR; 177 uint32_t elsXmitRNID; 178 uint32_t elsXmitFARP; 179 uint32_t elsXmitFARPR; 180 uint32_t elsXmitACC; 181 uint32_t elsXmitLSRJT; 182 183 uint32_t frameRcvBcast; 184 uint32_t frameRcvMulti; 185 uint32_t strayXmitCmpl; 186 uint32_t frameXmitDelay; 187 uint32_t xriCmdCmpl; 188 uint32_t xriStatErr; 189 uint32_t LinkUp; 190 uint32_t LinkDown; 191 uint32_t LinkMultiEvent; 192 uint32_t NoRcvBuf; 193 uint32_t fcpCmd; 194 uint32_t fcpCmpl; 195 uint32_t fcpRspErr; 196 uint32_t fcpRemoteStop; 197 uint32_t fcpPortRjt; 198 uint32_t fcpPortBusy; 199 uint32_t fcpError; 200 uint32_t fcpLocalErr; 201 }; 202 203 enum sysfs_mbox_state { 204 SMBOX_IDLE, 205 SMBOX_WRITING, 206 SMBOX_READING 207 }; 208 209 struct lpfc_sysfs_mbox { 210 enum sysfs_mbox_state state; 211 size_t offset; 212 struct lpfcMboxq * mbox; 213 }; 214 215 struct lpfc_hba; 216 217 218 enum discovery_state { 219 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */ 220 LPFC_VPORT_FAILED = 1, /* vport has failed */ 221 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */ 222 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */ 223 LPFC_FDISC = 8, /* FDISC sent for vport */ 224 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id 225 * configured */ 226 LPFC_NS_REG = 10, /* Register with NameServer */ 227 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */ 228 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for 229 * device authentication / discovery */ 230 LPFC_DISC_AUTH = 13, /* Processing ADISC list */ 231 LPFC_VPORT_READY = 32, 232 }; 233 234 enum hba_state { 235 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */ 236 LPFC_WARM_START = 1, /* HBA state after selective reset */ 237 LPFC_INIT_START = 2, /* Initial state after board reset */ 238 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */ 239 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */ 240 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */ 241 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue 242 * CLEAR_LA */ 243 LPFC_HBA_READY = 32, 244 LPFC_HBA_ERROR = -1 245 }; 246 247 struct lpfc_vport { 248 struct list_head listentry; 249 struct lpfc_hba *phba; 250 uint8_t port_type; 251 #define LPFC_PHYSICAL_PORT 1 252 #define LPFC_NPIV_PORT 2 253 #define LPFC_FABRIC_PORT 3 254 enum discovery_state port_state; 255 256 uint16_t vpi; 257 258 uint32_t fc_flag; /* FC flags */ 259 /* Several of these flags are HBA centric and should be moved to 260 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP) 261 */ 262 #define FC_PT2PT 0x1 /* pt2pt with no fabric */ 263 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */ 264 #define FC_DISC_TMO 0x4 /* Discovery timer running */ 265 #define FC_PUBLIC_LOOP 0x8 /* Public loop */ 266 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */ 267 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */ 268 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */ 269 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */ 270 #define FC_FABRIC 0x100 /* We are fabric attached */ 271 #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */ 272 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ 273 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ 274 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ 275 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ 276 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ 277 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ 278 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ 279 280 uint32_t ct_flags; 281 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ 282 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ 283 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ 284 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ 285 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ 286 287 struct list_head fc_nodes; 288 289 /* Keep counters for the number of entries in each list. */ 290 uint16_t fc_plogi_cnt; 291 uint16_t fc_adisc_cnt; 292 uint16_t fc_reglogin_cnt; 293 uint16_t fc_prli_cnt; 294 uint16_t fc_unmap_cnt; 295 uint16_t fc_map_cnt; 296 uint16_t fc_npr_cnt; 297 uint16_t fc_unused_cnt; 298 struct serv_parm fc_sparam; /* buffer for our service parameters */ 299 300 uint32_t fc_myDID; /* fibre channel S_ID */ 301 uint32_t fc_prevDID; /* previous fibre channel S_ID */ 302 303 int32_t stopped; /* HBA has not been restarted since last ERATT */ 304 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 305 306 uint32_t num_disc_nodes; /*in addition to hba_state */ 307 308 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ 309 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ 310 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 311 struct lpfc_name fc_nodename; /* fc nodename */ 312 struct lpfc_name fc_portname; /* fc portname */ 313 314 struct lpfc_work_evt disc_timeout_evt; 315 316 struct timer_list fc_disctmo; /* Discovery rescue timer */ 317 uint8_t fc_ns_retry; /* retries for fabric nameserver */ 318 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */ 319 320 spinlock_t work_port_lock; 321 uint32_t work_port_events; /* Timeout to be handled */ 322 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */ 323 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */ 324 #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */ 325 326 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */ 327 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */ 328 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */ 329 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */ 330 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */ 331 332 struct timer_list fc_fdmitmo; 333 struct timer_list els_tmofunc; 334 335 int unreg_vpi_cmpl; 336 337 uint8_t load_flag; 338 #define FC_LOADING 0x1 /* HBA in process of loading drvr */ 339 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */ 340 char *vname; /* Application assigned name */ 341 342 /* Vport Config Parameters */ 343 uint32_t cfg_scan_down; 344 uint32_t cfg_lun_queue_depth; 345 uint32_t cfg_nodev_tmo; 346 uint32_t cfg_devloss_tmo; 347 uint32_t cfg_restrict_login; 348 uint32_t cfg_peer_port_login; 349 uint32_t cfg_fcp_class; 350 uint32_t cfg_use_adisc; 351 uint32_t cfg_fdmi_on; 352 uint32_t cfg_discovery_threads; 353 uint32_t cfg_log_verbose; 354 uint32_t cfg_max_luns; 355 uint32_t cfg_enable_da_id; 356 357 uint32_t dev_loss_tmo_changed; 358 359 struct fc_vport *fc_vport; 360 361 #ifdef CONFIG_LPFC_DEBUG_FS 362 struct dentry *debug_disc_trc; 363 struct dentry *debug_nodelist; 364 struct dentry *vport_debugfs_root; 365 struct lpfc_debugfs_trc *disc_trc; 366 atomic_t disc_trc_cnt; 367 #endif 368 }; 369 370 struct hbq_s { 371 uint16_t entry_count; /* Current number of HBQ slots */ 372 uint16_t buffer_count; /* Current number of buffers posted */ 373 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ 374 uint32_t hbqPutIdx; /* HBQ slot to use */ 375 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ 376 void *hbq_virt; /* Virtual ptr to this hbq */ 377 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */ 378 /* Callback for HBQ buffer allocation */ 379 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *); 380 /* Callback for HBQ buffer free */ 381 void (*hbq_free_buffer) (struct lpfc_hba *, 382 struct hbq_dmabuf *); 383 }; 384 385 #define LPFC_MAX_HBQS 4 386 /* this matches the position in the lpfc_hbq_defs array */ 387 #define LPFC_ELS_HBQ 0 388 #define LPFC_EXTRA_HBQ 1 389 390 enum hba_temp_state { 391 HBA_NORMAL_TEMP, 392 HBA_OVER_TEMP 393 }; 394 395 struct lpfc_hba { 396 struct lpfc_sli sli; 397 uint32_t sli_rev; /* SLI2 or SLI3 */ 398 uint32_t sli3_options; /* Mask of enabled SLI3 options */ 399 #define LPFC_SLI3_ENABLED 0x01 400 #define LPFC_SLI3_HBQ_ENABLED 0x02 401 #define LPFC_SLI3_NPIV_ENABLED 0x04 402 #define LPFC_SLI3_VPORT_TEARDOWN 0x08 403 uint32_t iocb_cmd_size; 404 uint32_t iocb_rsp_size; 405 406 enum hba_state link_state; 407 uint32_t link_flag; /* link state flags */ 408 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */ 409 /* This flag is set while issuing */ 410 /* INIT_LINK mailbox command */ 411 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 412 #define LS_IGNORE_ERATT 0x3 /* intr handler should ignore ERATT */ 413 414 struct lpfc_sli2_slim *slim2p; 415 struct lpfc_dmabuf hbqslimp; 416 417 dma_addr_t slim2p_mapping; 418 419 uint16_t pci_cfg_value; 420 421 uint8_t work_found; 422 #define LPFC_MAX_WORKER_ITERATION 4 423 424 uint8_t fc_linkspeed; /* Link speed after last READ_LA */ 425 426 uint32_t fc_eventTag; /* event tag for link attention */ 427 428 429 struct timer_list fc_estabtmo; /* link establishment timer */ 430 /* These fields used to be binfo */ 431 uint32_t fc_pref_DID; /* preferred D_ID */ 432 uint8_t fc_pref_ALPA; /* preferred AL_PA */ 433 uint32_t fc_edtov; /* E_D_TOV timer value */ 434 uint32_t fc_arbtov; /* ARB_TOV timer value */ 435 uint32_t fc_ratov; /* R_A_TOV timer value */ 436 uint32_t fc_rttov; /* R_T_TOV timer value */ 437 uint32_t fc_altov; /* AL_TOV timer value */ 438 uint32_t fc_crtov; /* C_R_TOV timer value */ 439 uint32_t fc_citov; /* C_I_TOV timer value */ 440 441 struct serv_parm fc_fabparam; /* fabric service parameters buffer */ 442 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */ 443 444 uint32_t lmt; 445 446 uint32_t fc_topology; /* link topology, from LINK INIT */ 447 448 struct lpfc_stats fc_stat; 449 450 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */ 451 uint32_t nport_event_cnt; /* timestamp for nlplist entry */ 452 453 uint8_t wwnn[8]; 454 uint8_t wwpn[8]; 455 uint32_t RandomData[7]; 456 457 /* HBA Config Parameters */ 458 uint32_t cfg_ack0; 459 uint32_t cfg_enable_npiv; 460 uint32_t cfg_topology; 461 uint32_t cfg_link_speed; 462 uint32_t cfg_cr_delay; 463 uint32_t cfg_cr_count; 464 uint32_t cfg_multi_ring_support; 465 uint32_t cfg_multi_ring_rctl; 466 uint32_t cfg_multi_ring_type; 467 uint32_t cfg_poll; 468 uint32_t cfg_poll_tmo; 469 uint32_t cfg_use_msi; 470 uint32_t cfg_sg_seg_cnt; 471 uint32_t cfg_sg_dma_buf_size; 472 uint64_t cfg_soft_wwnn; 473 uint64_t cfg_soft_wwpn; 474 uint32_t cfg_hba_queue_depth; 475 uint32_t cfg_enable_hba_reset; 476 uint32_t cfg_enable_hba_heartbeat; 477 478 lpfc_vpd_t vpd; /* vital product data */ 479 480 struct pci_dev *pcidev; 481 struct list_head work_list; 482 uint32_t work_ha; /* Host Attention Bits for WT */ 483 uint32_t work_ha_mask; /* HA Bits owned by WT */ 484 uint32_t work_hs; /* HS stored in case of ERRAT */ 485 uint32_t work_status[2]; /* Extra status from SLIM */ 486 487 wait_queue_head_t *work_wait; 488 struct task_struct *worker_thread; 489 490 uint32_t hbq_count; /* Count of configured HBQs */ 491 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 492 493 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */ 494 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */ 495 void __iomem *slim_memmap_p; /* Kernel memory mapped address for 496 PCI BAR0 */ 497 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for 498 PCI BAR2 */ 499 500 void __iomem *MBslimaddr; /* virtual address for mbox cmds */ 501 void __iomem *HAregaddr; /* virtual address for host attn reg */ 502 void __iomem *CAregaddr; /* virtual address for chip attn reg */ 503 void __iomem *HSregaddr; /* virtual address for host status 504 reg */ 505 void __iomem *HCregaddr; /* virtual address for host ctl reg */ 506 507 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ 508 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ 509 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ 510 511 int brd_no; /* FC board number */ 512 513 char SerialNumber[32]; /* adapter Serial Number */ 514 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */ 515 char ModelDesc[256]; /* Model Description */ 516 char ModelName[80]; /* Model Name */ 517 char ProgramType[256]; /* Program Type */ 518 char Port[20]; /* Port No */ 519 uint8_t vpd_flag; /* VPD data flag */ 520 521 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */ 522 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */ 523 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */ 524 #define VPD_PORT 0x8 /* valid vpd port data */ 525 #define VPD_MASK 0xf /* mask for any vpd data */ 526 527 uint8_t soft_wwn_enable; 528 529 struct timer_list fcp_poll_timer; 530 531 /* 532 * stat counters 533 */ 534 uint64_t fc4InputRequests; 535 uint64_t fc4OutputRequests; 536 uint64_t fc4ControlRequests; 537 538 struct lpfc_sysfs_mbox sysfs_mbox; 539 540 /* fastpath list. */ 541 spinlock_t scsi_buf_list_lock; 542 struct list_head lpfc_scsi_buf_list; 543 uint32_t total_scsi_bufs; 544 struct list_head lpfc_iocb_list; 545 uint32_t total_iocbq_bufs; 546 spinlock_t hbalock; 547 548 /* pci_mem_pools */ 549 struct pci_pool *lpfc_scsi_dma_buf_pool; 550 struct pci_pool *lpfc_mbuf_pool; 551 struct pci_pool *lpfc_hbq_pool; 552 struct lpfc_dma_pool lpfc_mbuf_safety_pool; 553 554 mempool_t *mbox_mem_pool; 555 mempool_t *nlp_mem_pool; 556 557 struct fc_host_statistics link_stats; 558 uint8_t using_msi; 559 560 struct list_head port_list; 561 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 562 uint16_t max_vpi; /* Maximum virtual nports */ 563 #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ 564 unsigned long *vpi_bmask; /* vpi allocation table */ 565 566 /* Data structure used by fabric iocb scheduler */ 567 struct list_head fabric_iocb_list; 568 atomic_t fabric_iocb_count; 569 struct timer_list fabric_block_timer; 570 unsigned long bit_flags; 571 #define FABRIC_COMANDS_BLOCKED 0 572 atomic_t num_rsrc_err; 573 atomic_t num_cmd_success; 574 unsigned long last_rsrc_error_time; 575 unsigned long last_ramp_down_time; 576 unsigned long last_ramp_up_time; 577 #ifdef CONFIG_LPFC_DEBUG_FS 578 struct dentry *hba_debugfs_root; 579 atomic_t debugfs_vport_count; 580 struct dentry *debug_hbqinfo; 581 struct dentry *debug_dumpHostSlim; 582 struct dentry *debug_dumpHBASlim; 583 struct dentry *debug_slow_ring_trc; 584 struct lpfc_debugfs_trc *slow_ring_trc; 585 atomic_t slow_ring_trc_cnt; 586 #endif 587 588 /* Used for deferred freeing of ELS data buffers */ 589 struct list_head elsbuf; 590 int elsbuf_cnt; 591 int elsbuf_prev_cnt; 592 593 uint8_t temp_sensor_support; 594 /* Fields used for heart beat. */ 595 unsigned long last_completion_time; 596 struct timer_list hb_tmofunc; 597 uint8_t hb_outstanding; 598 /* 599 * Following bit will be set for all buffer tags which are not 600 * associated with any HBQ. 601 */ 602 #define QUE_BUFTAG_BIT (1<<31) 603 uint32_t buffer_tag_count; 604 enum hba_temp_state over_temp_state; 605 }; 606 607 static inline struct Scsi_Host * 608 lpfc_shost_from_vport(struct lpfc_vport *vport) 609 { 610 return container_of((void *) vport, struct Scsi_Host, hostdata[0]); 611 } 612 613 static inline void 614 lpfc_set_loopback_flag(struct lpfc_hba *phba) 615 { 616 if (phba->cfg_topology == FLAGS_LOCAL_LB) 617 phba->link_flag |= LS_LOOPBACK_MODE; 618 else 619 phba->link_flag &= ~LS_LOOPBACK_MODE; 620 } 621 622 static inline int 623 lpfc_is_link_up(struct lpfc_hba *phba) 624 { 625 return phba->link_state == LPFC_LINK_UP || 626 phba->link_state == LPFC_CLEAR_LA || 627 phba->link_state == LPFC_HBA_READY; 628 } 629 630 #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ 631 #define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature 632 event */ 633 634 struct temp_event { 635 uint32_t event_type; 636 uint32_t event_code; 637 uint32_t data; 638 }; 639 #define LPFC_CRIT_TEMP 0x1 640 #define LPFC_THRESHOLD_TEMP 0x2 641 #define LPFC_NORMAL_TEMP 0x3 642