1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2009 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
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 *******************************************************************/
22 #include <scsi/scsi_host.h>
24 struct lpfc_sli2_slim;
26 #define LPFC_PCI_DEV_LP 0x1
27 #define LPFC_PCI_DEV_OC 0x2
29 #define LPFC_SLI_REV2 2
30 #define LPFC_SLI_REV3 3
31 #define LPFC_SLI_REV4 4
33 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */
34 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
36 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
37 the NameServer before giving up. */
38 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
39 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
40 #define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
41 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
42 #define LPFC_MAX_PROT_SG_SEG_CNT 4096 /* prot sg element count per scsi cmd*/
43 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
44 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
45 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */
46 #define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt
47 queue depth change in millisecs */
48 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
49 #define LPFC_MIN_TGT_QDEPTH 100
50 #define LPFC_MAX_TGT_QDEPTH 0xFFFF
52 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
55 * Following time intervals are used of adjusting SCSI device
56 * queue depths when there are driver resource error or Firmware
59 #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */
60 #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */
62 /* Number of exchanges reserved for discovery to complete */
63 #define LPFC_DISC_IOCB_BUFF_COUNT 20
65 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
66 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
68 /* Error Attention event polling interval */
69 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
71 /* Define macros for 64 bit support */
72 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
73 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
74 #define getPaddr(high, low) ((dma_addr_t)( \
75 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
76 /* Provide maximum configuration definitions. */
77 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
78 #define FC_MAX_ADPTMSG 64
82 /* Number of MSI-X vectors the driver uses */
83 #define LPFC_MSIX_VECTORS 2
85 /* lpfc wait event data ready flag */
86 #define LPFC_DATA_READY (1<<0)
88 enum lpfc_polling_flags {
89 ENABLE_FCP_RING_POLLING = 0x1,
90 DISABLE_FCP_RING_INT = 0x2
93 /* Provide DMA memory definitions the driver uses per port instance. */
95 struct list_head list;
96 void *virt; /* virtual address ptr */
97 dma_addr_t phys; /* mapped address */
98 uint32_t buffer_tag; /* used for tagged queue ring */
101 struct lpfc_dma_pool {
102 struct lpfc_dmabuf *elements;
104 uint32_t current_count;
108 struct lpfc_dmabuf hbuf;
109 struct lpfc_dmabuf dbuf;
112 struct lpfc_cq_event cq_event;
113 unsigned long time_stamp;
116 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
117 #define MEM_PRI 0x100
120 /****************************************************************************/
121 /* Device VPD save area */
122 /****************************************************************************/
123 typedef struct lpfc_vpd {
124 uint32_t status; /* vpd status value */
125 uint32_t length; /* number of bytes actually returned */
127 uint32_t rsvd1; /* Revision numbers */
135 uint8_t feaLevelHigh;
137 uint32_t postKernRev;
139 uint8_t opFwName[16];
141 uint8_t sli1FwName[16];
143 uint8_t sli2FwName[16];
146 #ifdef __BIG_ENDIAN_BITFIELD
147 uint32_t rsvd3 :19; /* Reserved */
148 uint32_t cdss : 1; /* Configure Data Security SLI */
149 uint32_t rsvd2 : 3; /* Reserved */
150 uint32_t cbg : 1; /* Configure BlockGuard */
151 uint32_t cmv : 1; /* Configure Max VPIs */
152 uint32_t ccrp : 1; /* Config Command Ring Polling */
153 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
154 uint32_t chbs : 1; /* Cofigure Host Backing store */
155 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
156 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
157 uint32_t cmx : 1; /* Configure Max XRIs */
158 uint32_t cmr : 1; /* Configure Max RPIs */
159 #else /* __LITTLE_ENDIAN */
160 uint32_t cmr : 1; /* Configure Max RPIs */
161 uint32_t cmx : 1; /* Configure Max XRIs */
162 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
163 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
164 uint32_t chbs : 1; /* Cofigure Host Backing store */
165 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
166 uint32_t ccrp : 1; /* Config Command Ring Polling */
167 uint32_t cmv : 1; /* Configure Max VPIs */
168 uint32_t cbg : 1; /* Configure BlockGuard */
169 uint32_t rsvd2 : 3; /* Reserved */
170 uint32_t cdss : 1; /* Configure Data Security SLI */
171 uint32_t rsvd3 :19; /* Reserved */
176 struct lpfc_scsi_buf;
183 /* Statistics for ELS commands */
185 uint32_t elsRetryExceeded;
186 uint32_t elsXmitRetry;
187 uint32_t elsDelayRetry;
189 uint32_t elsRcvFrame;
193 uint32_t elsRcvFARPR;
194 uint32_t elsRcvFLOGI;
195 uint32_t elsRcvPLOGI;
196 uint32_t elsRcvADISC;
197 uint32_t elsRcvPDISC;
205 uint32_t elsXmitFLOGI;
206 uint32_t elsXmitFDISC;
207 uint32_t elsXmitPLOGI;
208 uint32_t elsXmitPRLI;
209 uint32_t elsXmitADISC;
210 uint32_t elsXmitLOGO;
212 uint32_t elsXmitRNID;
213 uint32_t elsXmitFARP;
214 uint32_t elsXmitFARPR;
216 uint32_t elsXmitLSRJT;
218 uint32_t frameRcvBcast;
219 uint32_t frameRcvMulti;
220 uint32_t strayXmitCmpl;
221 uint32_t frameXmitDelay;
226 uint32_t LinkMultiEvent;
231 uint32_t fcpRemoteStop;
233 uint32_t fcpPortBusy;
235 uint32_t fcpLocalErr;
238 enum sysfs_mbox_state {
244 struct lpfc_sysfs_mbox {
245 enum sysfs_mbox_state state;
247 struct lpfcMboxq * mbox;
253 enum discovery_state {
254 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
255 LPFC_VPORT_FAILED = 1, /* vport has failed */
256 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
257 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
258 LPFC_FDISC = 8, /* FDISC sent for vport */
259 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
261 LPFC_NS_REG = 10, /* Register with NameServer */
262 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
263 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
264 * device authentication / discovery */
265 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
266 LPFC_VPORT_READY = 32,
270 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
271 LPFC_WARM_START = 1, /* HBA state after selective reset */
272 LPFC_INIT_START = 2, /* Initial state after board reset */
273 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
274 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
275 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
276 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
283 struct lpfc_hba *phba;
284 struct list_head listentry;
286 #define LPFC_PHYSICAL_PORT 1
287 #define LPFC_NPIV_PORT 2
288 #define LPFC_FABRIC_PORT 3
289 enum discovery_state port_state;
294 #define LPFC_VPI_REGISTERED 0x1
296 uint32_t fc_flag; /* FC flags */
297 /* Several of these flags are HBA centric and should be moved to
298 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
300 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
301 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
302 #define FC_DISC_TMO 0x4 /* Discovery timer running */
303 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
304 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
305 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
306 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
307 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
308 #define FC_FABRIC 0x100 /* We are fabric attached */
309 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
310 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
311 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
312 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
313 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
314 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
315 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
316 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
319 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
320 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
321 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
322 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
323 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
325 struct list_head fc_nodes;
327 /* Keep counters for the number of entries in each list. */
328 uint16_t fc_plogi_cnt;
329 uint16_t fc_adisc_cnt;
330 uint16_t fc_reglogin_cnt;
331 uint16_t fc_prli_cnt;
332 uint16_t fc_unmap_cnt;
335 uint16_t fc_unused_cnt;
336 struct serv_parm fc_sparam; /* buffer for our service parameters */
338 uint32_t fc_myDID; /* fibre channel S_ID */
339 uint32_t fc_prevDID; /* previous fibre channel S_ID */
341 int32_t stopped; /* HBA has not been restarted since last ERATT */
342 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
344 uint32_t num_disc_nodes; /*in addition to hba_state */
346 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
347 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
348 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
349 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
350 struct lpfc_name fc_nodename; /* fc nodename */
351 struct lpfc_name fc_portname; /* fc portname */
353 struct lpfc_work_evt disc_timeout_evt;
355 struct timer_list fc_disctmo; /* Discovery rescue timer */
356 uint8_t fc_ns_retry; /* retries for fabric nameserver */
357 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
359 spinlock_t work_port_lock;
360 uint32_t work_port_events; /* Timeout to be handled */
361 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
362 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
363 #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
365 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
366 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
367 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
368 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
369 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
371 struct timer_list fc_fdmitmo;
372 struct timer_list els_tmofunc;
377 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
378 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
379 /* Vport Config Parameters */
380 uint32_t cfg_scan_down;
381 uint32_t cfg_lun_queue_depth;
382 uint32_t cfg_nodev_tmo;
383 uint32_t cfg_devloss_tmo;
384 uint32_t cfg_restrict_login;
385 uint32_t cfg_peer_port_login;
386 uint32_t cfg_fcp_class;
387 uint32_t cfg_use_adisc;
388 uint32_t cfg_fdmi_on;
389 uint32_t cfg_discovery_threads;
390 uint32_t cfg_log_verbose;
391 uint32_t cfg_max_luns;
392 uint32_t cfg_enable_da_id;
393 uint32_t cfg_max_scsicmpl_time;
395 uint32_t dev_loss_tmo_changed;
397 struct fc_vport *fc_vport;
399 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
400 struct dentry *debug_disc_trc;
401 struct dentry *debug_nodelist;
402 struct dentry *vport_debugfs_root;
403 struct lpfc_debugfs_trc *disc_trc;
404 atomic_t disc_trc_cnt;
406 uint8_t stat_data_enabled;
407 uint8_t stat_data_blocked;
408 struct list_head rcv_buffer_list;
409 unsigned long rcv_buffer_time_stamp;
411 #define STATIC_VPORT 1
415 uint16_t entry_count; /* Current number of HBQ slots */
416 uint16_t buffer_count; /* Current number of buffers posted */
417 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
418 uint32_t hbqPutIdx; /* HBQ slot to use */
419 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
420 void *hbq_virt; /* Virtual ptr to this hbq */
421 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
422 /* Callback for HBQ buffer allocation */
423 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
424 /* Callback for HBQ buffer free */
425 void (*hbq_free_buffer) (struct lpfc_hba *,
426 struct hbq_dmabuf *);
429 #define LPFC_MAX_HBQS 4
430 /* this matches the position in the lpfc_hbq_defs array */
431 #define LPFC_ELS_HBQ 0
432 #define LPFC_EXTRA_HBQ 1
434 enum hba_temp_state {
446 struct unsol_rcv_ct_ctx {
453 /* SCSI interface function jump table entries */
454 int (*lpfc_new_scsi_buf)
455 (struct lpfc_vport *, int);
456 struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
458 int (*lpfc_scsi_prep_dma_buf)
459 (struct lpfc_hba *, struct lpfc_scsi_buf *);
460 void (*lpfc_scsi_unprep_dma_buf)
461 (struct lpfc_hba *, struct lpfc_scsi_buf *);
462 void (*lpfc_release_scsi_buf)
463 (struct lpfc_hba *, struct lpfc_scsi_buf *);
464 void (*lpfc_rampdown_queue_depth)
466 void (*lpfc_scsi_prep_cmnd)
467 (struct lpfc_vport *, struct lpfc_scsi_buf *,
468 struct lpfc_nodelist *);
469 /* IOCB interface function jump table entries */
470 int (*__lpfc_sli_issue_iocb)
471 (struct lpfc_hba *, uint32_t,
472 struct lpfc_iocbq *, uint32_t);
473 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
474 struct lpfc_iocbq *);
475 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
478 IOCB_t * (*lpfc_get_iocb_from_iocbq)
479 (struct lpfc_iocbq *);
480 void (*lpfc_scsi_cmd_iocb_cmpl)
481 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
483 /* MBOX interface function jump table entries */
484 int (*lpfc_sli_issue_mbox)
485 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
486 /* Slow-path IOCB process function jump table entries */
487 void (*lpfc_sli_handle_slow_ring_event)
488 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
490 /* INIT device interface function jump table entries */
491 int (*lpfc_sli_hbq_to_firmware)
492 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
493 int (*lpfc_sli_brdrestart)
495 int (*lpfc_sli_brdready)
496 (struct lpfc_hba *, uint32_t);
497 void (*lpfc_handle_eratt)
499 void (*lpfc_stop_port)
503 /* SLI4 specific HBA data structure */
504 struct lpfc_sli4_hba sli4_hba;
507 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
508 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
509 uint32_t sli3_options; /* Mask of enabled SLI3 options */
510 #define LPFC_SLI3_HBQ_ENABLED 0x01
511 #define LPFC_SLI3_NPIV_ENABLED 0x02
512 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
513 #define LPFC_SLI3_CRP_ENABLED 0x08
514 #define LPFC_SLI3_INB_ENABLED 0x10
515 #define LPFC_SLI3_BG_ENABLED 0x20
516 #define LPFC_SLI3_DSS_ENABLED 0x40
517 uint32_t iocb_cmd_size;
518 uint32_t iocb_rsp_size;
520 enum hba_state link_state;
521 uint32_t link_flag; /* link state flags */
522 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
523 /* This flag is set while issuing */
524 /* INIT_LINK mailbox command */
525 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
526 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
528 uint32_t hba_flag; /* hba generic flags */
529 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
530 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */
531 #define HBA_FCOE_SUPPORT 0x4 /* HBA function supports FCOE */
532 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
533 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
534 #define FCP_XRI_ABORT_EVENT 0x20
535 #define ELS_XRI_ABORT_EVENT 0x40
536 #define ASYNC_EVENT 0x80
537 #define LINK_DISABLED 0x100 /* Link disabled by user */
538 #define FCF_DISC_INPROGRESS 0x200 /* FCF discovery in progress */
539 #define HBA_FIP_SUPPORT 0x400 /* FIP support in HBA */
540 #define HBA_AER_ENABLED 0x800 /* AER enabled with HBA */
541 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
542 struct lpfc_dmabuf slim2p;
545 uint32_t *inb_ha_copy;
546 uint32_t *inb_counter;
547 uint32_t inb_last_counter;
552 struct lpfc_dmabuf hbqslimp;
554 uint16_t pci_cfg_value;
556 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
558 uint32_t fc_eventTag; /* event tag for link attention */
559 uint32_t link_events;
561 /* These fields used to be binfo */
562 uint32_t fc_pref_DID; /* preferred D_ID */
563 uint8_t fc_pref_ALPA; /* preferred AL_PA */
564 uint32_t fc_edtov; /* E_D_TOV timer value */
565 uint32_t fc_arbtov; /* ARB_TOV timer value */
566 uint32_t fc_ratov; /* R_A_TOV timer value */
567 uint32_t fc_rttov; /* R_T_TOV timer value */
568 uint32_t fc_altov; /* AL_TOV timer value */
569 uint32_t fc_crtov; /* C_R_TOV timer value */
570 uint32_t fc_citov; /* C_I_TOV timer value */
572 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
573 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
577 uint32_t fc_topology; /* link topology, from LINK INIT */
579 struct lpfc_stats fc_stat;
581 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
582 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
586 uint32_t RandomData[7];
588 /* HBA Config Parameters */
590 uint32_t cfg_enable_npiv;
591 uint32_t cfg_topology;
592 uint32_t cfg_link_speed;
593 uint32_t cfg_cr_delay;
594 uint32_t cfg_cr_count;
595 uint32_t cfg_multi_ring_support;
596 uint32_t cfg_multi_ring_rctl;
597 uint32_t cfg_multi_ring_type;
599 uint32_t cfg_poll_tmo;
600 uint32_t cfg_use_msi;
601 uint32_t cfg_fcp_imax;
602 uint32_t cfg_fcp_wq_count;
603 uint32_t cfg_fcp_eq_count;
604 uint32_t cfg_sg_seg_cnt;
605 uint32_t cfg_prot_sg_seg_cnt;
606 uint32_t cfg_sg_dma_buf_size;
607 uint64_t cfg_soft_wwnn;
608 uint64_t cfg_soft_wwpn;
609 uint32_t cfg_hba_queue_depth;
610 uint32_t cfg_enable_hba_reset;
611 uint32_t cfg_enable_hba_heartbeat;
612 uint32_t cfg_enable_bg;
613 uint32_t cfg_log_verbose;
614 uint32_t cfg_aer_support;
616 lpfc_vpd_t vpd; /* vital product data */
618 struct pci_dev *pcidev;
619 struct list_head work_list;
620 uint32_t work_ha; /* Host Attention Bits for WT */
621 uint32_t work_ha_mask; /* HA Bits owned by WT */
622 uint32_t work_hs; /* HS stored in case of ERRAT */
623 uint32_t work_status[2]; /* Extra status from SLIM */
625 wait_queue_head_t work_waitq;
626 struct task_struct *worker_thread;
627 unsigned long data_flags;
629 uint32_t hbq_in_use; /* HBQs in use flag */
630 struct list_head rb_pend_list; /* Received buffers to be processed */
631 uint32_t hbq_count; /* Count of configured HBQs */
632 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
634 uint32_t fcp_qidx; /* next work queue to post work to */
636 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
637 unsigned long pci_bar1_map; /* Physical address for PCI BAR1 */
638 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
639 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
641 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
644 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
645 void __iomem *HAregaddr; /* virtual address for host attn reg */
646 void __iomem *CAregaddr; /* virtual address for chip attn reg */
647 void __iomem *HSregaddr; /* virtual address for host status
649 void __iomem *HCregaddr; /* virtual address for host ctl reg */
651 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
652 struct lpfc_pgp *port_gp;
653 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
654 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
656 int brd_no; /* FC board number */
658 char SerialNumber[32]; /* adapter Serial Number */
659 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
660 char ModelDesc[256]; /* Model Description */
661 char ModelName[80]; /* Model Name */
662 char ProgramType[256]; /* Program Type */
663 char Port[20]; /* Port No */
664 uint8_t vpd_flag; /* VPD data flag */
666 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
667 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
668 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
669 #define VPD_PORT 0x8 /* valid vpd port data */
670 #define VPD_MASK 0xf /* mask for any vpd data */
672 uint8_t soft_wwn_enable;
674 struct timer_list fcp_poll_timer;
675 struct timer_list eratt_poll;
680 uint64_t fc4InputRequests;
681 uint64_t fc4OutputRequests;
682 uint64_t fc4ControlRequests;
683 uint64_t bg_guard_err_cnt;
684 uint64_t bg_apptag_err_cnt;
685 uint64_t bg_reftag_err_cnt;
687 struct lpfc_sysfs_mbox sysfs_mbox;
690 spinlock_t scsi_buf_list_lock;
691 struct list_head lpfc_scsi_buf_list;
692 uint32_t total_scsi_bufs;
693 struct list_head lpfc_iocb_list;
694 uint32_t total_iocbq_bufs;
698 struct pci_pool *lpfc_scsi_dma_buf_pool;
699 struct pci_pool *lpfc_mbuf_pool;
700 struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */
701 struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */
702 struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
703 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
705 mempool_t *mbox_mem_pool;
706 mempool_t *nlp_mem_pool;
708 struct fc_host_statistics link_stats;
709 enum intr_type_t intr_type;
711 #define LPFC_INTR_ERROR 0xFFFFFFFF
712 struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
714 struct list_head port_list;
715 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
716 uint16_t max_vpi; /* Maximum virtual nports */
717 #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
718 uint16_t max_vports; /*
719 * For IOV HBAs max_vpi can change
720 * after a reset. max_vports is max
721 * number of vports present. This can
722 * be greater than max_vpi.
726 unsigned long *vpi_bmask; /* vpi allocation table */
728 /* Data structure used by fabric iocb scheduler */
729 struct list_head fabric_iocb_list;
730 atomic_t fabric_iocb_count;
731 struct timer_list fabric_block_timer;
732 unsigned long bit_flags;
733 #define FABRIC_COMANDS_BLOCKED 0
734 atomic_t num_rsrc_err;
735 atomic_t num_cmd_success;
736 unsigned long last_rsrc_error_time;
737 unsigned long last_ramp_down_time;
738 unsigned long last_ramp_up_time;
739 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
740 struct dentry *hba_debugfs_root;
741 atomic_t debugfs_vport_count;
742 struct dentry *debug_hbqinfo;
743 struct dentry *debug_dumpHostSlim;
744 struct dentry *debug_dumpHBASlim;
745 struct dentry *debug_dumpData; /* BlockGuard BPL*/
746 struct dentry *debug_dumpDif; /* BlockGuard BPL*/
747 struct dentry *debug_slow_ring_trc;
748 struct lpfc_debugfs_trc *slow_ring_trc;
749 atomic_t slow_ring_trc_cnt;
752 /* Used for deferred freeing of ELS data buffers */
753 struct list_head elsbuf;
757 uint8_t temp_sensor_support;
758 /* Fields used for heart beat. */
759 unsigned long last_completion_time;
760 struct timer_list hb_tmofunc;
761 uint8_t hb_outstanding;
762 enum hba_temp_state over_temp_state;
763 /* ndlp reference management */
764 spinlock_t ndlp_lock;
766 * Following bit will be set for all buffer tags which are not
767 * associated with any HBQ.
769 #define QUE_BUFTAG_BIT (1<<31)
770 uint32_t buffer_tag_count;
771 int wait_4_mlo_maint_flg;
772 wait_queue_head_t wait_4_mlo_m_q;
773 /* data structure used for latency data collection */
774 #define LPFC_NO_BUCKET 0
775 #define LPFC_LINEAR_BUCKET 1
776 #define LPFC_POWER2_BUCKET 2
778 uint32_t bucket_base;
779 uint32_t bucket_step;
781 /* Maximum number of events that can be outstanding at any time*/
782 #define LPFC_MAX_EVT_COUNT 512
783 atomic_t fast_event_count;
784 uint32_t fcoe_eventtag;
785 uint32_t fcoe_eventtag_at_fcf_scan;
790 struct list_head fcf_conn_rec_list;
792 struct mutex ct_event_mutex; /* synchronize access to ct_ev_waiters */
793 struct list_head ct_ev_waiters;
794 struct unsol_rcv_ct_ctx ct_ctx[64];
798 static inline struct Scsi_Host *
799 lpfc_shost_from_vport(struct lpfc_vport *vport)
801 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
805 lpfc_set_loopback_flag(struct lpfc_hba *phba)
807 if (phba->cfg_topology == FLAGS_LOCAL_LB)
808 phba->link_flag |= LS_LOOPBACK_MODE;
810 phba->link_flag &= ~LS_LOOPBACK_MODE;
814 lpfc_is_link_up(struct lpfc_hba *phba)
816 return phba->link_state == LPFC_LINK_UP ||
817 phba->link_state == LPFC_CLEAR_LA ||
818 phba->link_state == LPFC_HBA_READY;
822 lpfc_worker_wake_up(struct lpfc_hba *phba)
824 /* Set the lpfc data pending flag */
825 set_bit(LPFC_DATA_READY, &phba->data_flags);
827 /* Wake up worker thread */
828 wake_up(&phba->work_waitq);
833 lpfc_sli_read_hs(struct lpfc_hba *phba)
836 * There was a link/board error. Read the status register to retrieve
837 * the error event and process it.
839 phba->sli.slistat.err_attn_event++;
841 /* Save status info */
842 phba->work_hs = readl(phba->HSregaddr);
843 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
844 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
846 /* Clear chip Host Attention error bit */
847 writel(HA_ERATT, phba->HAregaddr);
848 readl(phba->HAregaddr); /* flush */
849 phba->pport->stopped = 1;