1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2010 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>
23 struct lpfc_sli2_slim
;
25 #define LPFC_PCI_DEV_LP 0x1
26 #define LPFC_PCI_DEV_OC 0x2
28 #define LPFC_SLI_REV2 2
29 #define LPFC_SLI_REV3 3
30 #define LPFC_SLI_REV4 4
32 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */
33 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
35 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
36 the NameServer before giving up. */
37 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
38 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
39 #define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
40 cmnd for menlo needs nearly twice as for firmware
41 downloads using bsg */
42 #define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
43 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
44 #define LPFC_MAX_PROT_SG_SEG_CNT 4096 /* prot sg element count per scsi cmd*/
45 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
46 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
47 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */
48 #define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt
49 queue depth change in millisecs */
50 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
51 #define LPFC_MIN_TGT_QDEPTH 10
52 #define LPFC_MAX_TGT_QDEPTH 0xFFFF
54 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
57 * Following time intervals are used of adjusting SCSI device
58 * queue depths when there are driver resource error or Firmware
61 #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */
62 #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */
64 /* Number of exchanges reserved for discovery to complete */
65 #define LPFC_DISC_IOCB_BUFF_COUNT 20
67 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
68 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
70 /* Error Attention event polling interval */
71 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
73 /* Define macros for 64 bit support */
74 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
75 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
76 #define getPaddr(high, low) ((dma_addr_t)( \
77 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
78 /* Provide maximum configuration definitions. */
79 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
80 #define FC_MAX_ADPTMSG 64
84 /* Number of MSI-X vectors the driver uses */
85 #define LPFC_MSIX_VECTORS 2
87 /* lpfc wait event data ready flag */
88 #define LPFC_DATA_READY (1<<0)
90 enum lpfc_polling_flags
{
91 ENABLE_FCP_RING_POLLING
= 0x1,
92 DISABLE_FCP_RING_INT
= 0x2
95 /* Provide DMA memory definitions the driver uses per port instance. */
97 struct list_head list
;
98 void *virt
; /* virtual address ptr */
99 dma_addr_t phys
; /* mapped address */
100 uint32_t buffer_tag
; /* used for tagged queue ring */
103 struct lpfc_dma_pool
{
104 struct lpfc_dmabuf
*elements
;
106 uint32_t current_count
;
110 struct lpfc_dmabuf hbuf
;
111 struct lpfc_dmabuf dbuf
;
114 struct lpfc_cq_event cq_event
;
115 unsigned long time_stamp
;
118 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
119 #define MEM_PRI 0x100
122 /****************************************************************************/
123 /* Device VPD save area */
124 /****************************************************************************/
125 typedef struct lpfc_vpd
{
126 uint32_t status
; /* vpd status value */
127 uint32_t length
; /* number of bytes actually returned */
129 uint32_t rsvd1
; /* Revision numbers */
137 uint8_t feaLevelHigh
;
139 uint32_t postKernRev
;
141 uint8_t opFwName
[16];
143 uint8_t sli1FwName
[16];
145 uint8_t sli2FwName
[16];
148 #ifdef __BIG_ENDIAN_BITFIELD
149 uint32_t rsvd3
:19; /* Reserved */
150 uint32_t cdss
: 1; /* Configure Data Security SLI */
151 uint32_t rsvd2
: 3; /* Reserved */
152 uint32_t cbg
: 1; /* Configure BlockGuard */
153 uint32_t cmv
: 1; /* Configure Max VPIs */
154 uint32_t ccrp
: 1; /* Config Command Ring Polling */
155 uint32_t csah
: 1; /* Configure Synchronous Abort Handling */
156 uint32_t chbs
: 1; /* Cofigure Host Backing store */
157 uint32_t cinb
: 1; /* Enable Interrupt Notification Block */
158 uint32_t cerbm
: 1; /* Configure Enhanced Receive Buf Mgmt */
159 uint32_t cmx
: 1; /* Configure Max XRIs */
160 uint32_t cmr
: 1; /* Configure Max RPIs */
161 #else /* __LITTLE_ENDIAN */
162 uint32_t cmr
: 1; /* Configure Max RPIs */
163 uint32_t cmx
: 1; /* Configure Max XRIs */
164 uint32_t cerbm
: 1; /* Configure Enhanced Receive Buf Mgmt */
165 uint32_t cinb
: 1; /* Enable Interrupt Notification Block */
166 uint32_t chbs
: 1; /* Cofigure Host Backing store */
167 uint32_t csah
: 1; /* Configure Synchronous Abort Handling */
168 uint32_t ccrp
: 1; /* Config Command Ring Polling */
169 uint32_t cmv
: 1; /* Configure Max VPIs */
170 uint32_t cbg
: 1; /* Configure BlockGuard */
171 uint32_t rsvd2
: 3; /* Reserved */
172 uint32_t cdss
: 1; /* Configure Data Security SLI */
173 uint32_t rsvd3
:19; /* Reserved */
178 struct lpfc_scsi_buf
;
185 /* Statistics for ELS commands */
187 uint32_t elsRetryExceeded
;
188 uint32_t elsXmitRetry
;
189 uint32_t elsDelayRetry
;
191 uint32_t elsRcvFrame
;
195 uint32_t elsRcvFARPR
;
196 uint32_t elsRcvFLOGI
;
197 uint32_t elsRcvPLOGI
;
198 uint32_t elsRcvADISC
;
199 uint32_t elsRcvPDISC
;
208 uint32_t elsXmitFLOGI
;
209 uint32_t elsXmitFDISC
;
210 uint32_t elsXmitPLOGI
;
211 uint32_t elsXmitPRLI
;
212 uint32_t elsXmitADISC
;
213 uint32_t elsXmitLOGO
;
215 uint32_t elsXmitRNID
;
216 uint32_t elsXmitFARP
;
217 uint32_t elsXmitFARPR
;
219 uint32_t elsXmitLSRJT
;
221 uint32_t frameRcvBcast
;
222 uint32_t frameRcvMulti
;
223 uint32_t strayXmitCmpl
;
224 uint32_t frameXmitDelay
;
229 uint32_t LinkMultiEvent
;
234 uint32_t fcpRemoteStop
;
236 uint32_t fcpPortBusy
;
238 uint32_t fcpLocalErr
;
241 enum sysfs_mbox_state
{
247 struct lpfc_sysfs_mbox
{
248 enum sysfs_mbox_state state
;
250 struct lpfcMboxq
* mbox
;
256 enum discovery_state
{
257 LPFC_VPORT_UNKNOWN
= 0, /* vport state is unknown */
258 LPFC_VPORT_FAILED
= 1, /* vport has failed */
259 LPFC_LOCAL_CFG_LINK
= 6, /* local NPORT Id configured */
260 LPFC_FLOGI
= 7, /* FLOGI sent to Fabric */
261 LPFC_FDISC
= 8, /* FDISC sent for vport */
262 LPFC_FABRIC_CFG_LINK
= 9, /* Fabric assigned NPORT Id
264 LPFC_NS_REG
= 10, /* Register with NameServer */
265 LPFC_NS_QRY
= 11, /* Query NameServer for NPort ID list */
266 LPFC_BUILD_DISC_LIST
= 12, /* Build ADISC and PLOGI lists for
267 * device authentication / discovery */
268 LPFC_DISC_AUTH
= 13, /* Processing ADISC list */
269 LPFC_VPORT_READY
= 32,
273 LPFC_LINK_UNKNOWN
= 0, /* HBA state is unknown */
274 LPFC_WARM_START
= 1, /* HBA state after selective reset */
275 LPFC_INIT_START
= 2, /* Initial state after board reset */
276 LPFC_INIT_MBX_CMDS
= 3, /* Initialize HBA with mbox commands */
277 LPFC_LINK_DOWN
= 4, /* HBA initialized, link is down */
278 LPFC_LINK_UP
= 5, /* Link is up - issue READ_LA */
279 LPFC_CLEAR_LA
= 6, /* authentication cmplt - issue
286 struct lpfc_hba
*phba
;
287 struct list_head listentry
;
289 #define LPFC_PHYSICAL_PORT 1
290 #define LPFC_NPIV_PORT 2
291 #define LPFC_FABRIC_PORT 3
292 enum discovery_state port_state
;
297 #define LPFC_VPI_REGISTERED 0x1
299 uint32_t fc_flag
; /* FC flags */
300 /* Several of these flags are HBA centric and should be moved to
301 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
303 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
304 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
305 #define FC_DISC_TMO 0x4 /* Discovery timer running */
306 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
307 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
308 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
309 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
310 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
311 #define FC_FABRIC 0x100 /* We are fabric attached */
312 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
313 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
314 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
315 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
316 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
317 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
318 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
319 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
320 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
321 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
322 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
323 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
324 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
327 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
328 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
329 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
330 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
331 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
333 struct list_head fc_nodes
;
335 /* Keep counters for the number of entries in each list. */
336 uint16_t fc_plogi_cnt
;
337 uint16_t fc_adisc_cnt
;
338 uint16_t fc_reglogin_cnt
;
339 uint16_t fc_prli_cnt
;
340 uint16_t fc_unmap_cnt
;
343 uint16_t fc_unused_cnt
;
344 struct serv_parm fc_sparam
; /* buffer for our service parameters */
346 uint32_t fc_myDID
; /* fibre channel S_ID */
347 uint32_t fc_prevDID
; /* previous fibre channel S_ID */
349 int32_t stopped
; /* HBA has not been restarted since last ERATT */
350 uint8_t fc_linkspeed
; /* Link speed after last READ_LA */
352 uint32_t num_disc_nodes
; /*in addition to hba_state */
354 uint32_t fc_nlp_cnt
; /* outstanding NODELIST requests */
355 uint32_t fc_rscn_id_cnt
; /* count of RSCNs payloads in list */
356 uint32_t fc_rscn_flush
; /* flag use of fc_rscn_id_list */
357 struct lpfc_dmabuf
*fc_rscn_id_list
[FC_MAX_HOLD_RSCN
];
358 struct lpfc_name fc_nodename
; /* fc nodename */
359 struct lpfc_name fc_portname
; /* fc portname */
361 struct lpfc_work_evt disc_timeout_evt
;
363 struct timer_list fc_disctmo
; /* Discovery rescue timer */
364 uint8_t fc_ns_retry
; /* retries for fabric nameserver */
365 uint32_t fc_prli_sent
; /* cntr for outstanding PRLIs */
367 spinlock_t work_port_lock
;
368 uint32_t work_port_events
; /* Timeout to be handled */
369 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
370 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
371 #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
373 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
374 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
375 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
376 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
377 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
378 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
380 struct timer_list fc_fdmitmo
;
381 struct timer_list els_tmofunc
;
386 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
387 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
388 /* Vport Config Parameters */
389 uint32_t cfg_scan_down
;
390 uint32_t cfg_lun_queue_depth
;
391 uint32_t cfg_nodev_tmo
;
392 uint32_t cfg_devloss_tmo
;
393 uint32_t cfg_restrict_login
;
394 uint32_t cfg_peer_port_login
;
395 uint32_t cfg_fcp_class
;
396 uint32_t cfg_use_adisc
;
397 uint32_t cfg_fdmi_on
;
398 uint32_t cfg_discovery_threads
;
399 uint32_t cfg_log_verbose
;
400 uint32_t cfg_max_luns
;
401 uint32_t cfg_enable_da_id
;
402 uint32_t cfg_max_scsicmpl_time
;
403 uint32_t cfg_tgt_queue_depth
;
405 uint32_t dev_loss_tmo_changed
;
407 struct fc_vport
*fc_vport
;
409 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
410 struct dentry
*debug_disc_trc
;
411 struct dentry
*debug_nodelist
;
412 struct dentry
*vport_debugfs_root
;
413 struct lpfc_debugfs_trc
*disc_trc
;
414 atomic_t disc_trc_cnt
;
416 uint8_t stat_data_enabled
;
417 uint8_t stat_data_blocked
;
418 struct list_head rcv_buffer_list
;
419 unsigned long rcv_buffer_time_stamp
;
421 #define STATIC_VPORT 1
425 uint16_t entry_count
; /* Current number of HBQ slots */
426 uint16_t buffer_count
; /* Current number of buffers posted */
427 uint32_t next_hbqPutIdx
; /* Index to next HBQ slot to use */
428 uint32_t hbqPutIdx
; /* HBQ slot to use */
429 uint32_t local_hbqGetIdx
; /* Local copy of Get index from Port */
430 void *hbq_virt
; /* Virtual ptr to this hbq */
431 struct list_head hbq_buffer_list
; /* buffers assigned to this HBQ */
432 /* Callback for HBQ buffer allocation */
433 struct hbq_dmabuf
*(*hbq_alloc_buffer
) (struct lpfc_hba
*);
434 /* Callback for HBQ buffer free */
435 void (*hbq_free_buffer
) (struct lpfc_hba
*,
436 struct hbq_dmabuf
*);
439 #define LPFC_MAX_HBQS 4
440 /* this matches the position in the lpfc_hbq_defs array */
441 #define LPFC_ELS_HBQ 0
442 #define LPFC_EXTRA_HBQ 1
444 enum hba_temp_state
{
456 struct unsol_rcv_ct_ctx
{
461 #define UNSOL_VALID 0x00000001
465 /* SCSI interface function jump table entries */
466 int (*lpfc_new_scsi_buf
)
467 (struct lpfc_vport
*, int);
468 struct lpfc_scsi_buf
* (*lpfc_get_scsi_buf
)
470 int (*lpfc_scsi_prep_dma_buf
)
471 (struct lpfc_hba
*, struct lpfc_scsi_buf
*);
472 void (*lpfc_scsi_unprep_dma_buf
)
473 (struct lpfc_hba
*, struct lpfc_scsi_buf
*);
474 void (*lpfc_release_scsi_buf
)
475 (struct lpfc_hba
*, struct lpfc_scsi_buf
*);
476 void (*lpfc_rampdown_queue_depth
)
478 void (*lpfc_scsi_prep_cmnd
)
479 (struct lpfc_vport
*, struct lpfc_scsi_buf
*,
480 struct lpfc_nodelist
*);
481 /* IOCB interface function jump table entries */
482 int (*__lpfc_sli_issue_iocb
)
483 (struct lpfc_hba
*, uint32_t,
484 struct lpfc_iocbq
*, uint32_t);
485 void (*__lpfc_sli_release_iocbq
)(struct lpfc_hba
*,
486 struct lpfc_iocbq
*);
487 int (*lpfc_hba_down_post
)(struct lpfc_hba
*phba
);
490 IOCB_t
* (*lpfc_get_iocb_from_iocbq
)
491 (struct lpfc_iocbq
*);
492 void (*lpfc_scsi_cmd_iocb_cmpl
)
493 (struct lpfc_hba
*, struct lpfc_iocbq
*, struct lpfc_iocbq
*);
495 /* MBOX interface function jump table entries */
496 int (*lpfc_sli_issue_mbox
)
497 (struct lpfc_hba
*, LPFC_MBOXQ_t
*, uint32_t);
498 /* Slow-path IOCB process function jump table entries */
499 void (*lpfc_sli_handle_slow_ring_event
)
500 (struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
502 /* INIT device interface function jump table entries */
503 int (*lpfc_sli_hbq_to_firmware
)
504 (struct lpfc_hba
*, uint32_t, struct hbq_dmabuf
*);
505 int (*lpfc_sli_brdrestart
)
507 int (*lpfc_sli_brdready
)
508 (struct lpfc_hba
*, uint32_t);
509 void (*lpfc_handle_eratt
)
511 void (*lpfc_stop_port
)
513 int (*lpfc_hba_init_link
)
514 (struct lpfc_hba
*, uint32_t);
515 int (*lpfc_hba_down_link
)
516 (struct lpfc_hba
*, uint32_t);
518 /* SLI4 specific HBA data structure */
519 struct lpfc_sli4_hba sli4_hba
;
522 uint8_t pci_dev_grp
; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
523 uint32_t sli_rev
; /* SLI2, SLI3, or SLI4 */
524 uint32_t sli3_options
; /* Mask of enabled SLI3 options */
525 #define LPFC_SLI3_HBQ_ENABLED 0x01
526 #define LPFC_SLI3_NPIV_ENABLED 0x02
527 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
528 #define LPFC_SLI3_CRP_ENABLED 0x08
529 #define LPFC_SLI3_BG_ENABLED 0x20
530 #define LPFC_SLI3_DSS_ENABLED 0x40
531 uint32_t iocb_cmd_size
;
532 uint32_t iocb_rsp_size
;
534 enum hba_state link_state
;
535 uint32_t link_flag
; /* link state flags */
536 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
537 /* This flag is set while issuing */
538 /* INIT_LINK mailbox command */
539 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
540 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
542 uint32_t hba_flag
; /* hba generic flags */
543 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
544 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */
545 #define HBA_FCOE_SUPPORT 0x4 /* HBA function supports FCOE */
546 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
547 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
548 #define FCP_XRI_ABORT_EVENT 0x20
549 #define ELS_XRI_ABORT_EVENT 0x40
550 #define ASYNC_EVENT 0x80
551 #define LINK_DISABLED 0x100 /* Link disabled by user */
552 #define FCF_DISC_INPROGRESS 0x200 /* FCF discovery in progress */
553 #define HBA_FIP_SUPPORT 0x400 /* FIP support in HBA */
554 #define HBA_AER_ENABLED 0x800 /* AER enabled with HBA */
555 uint32_t fcp_ring_in_use
; /* When polling test if intr-hndlr active*/
556 struct lpfc_dmabuf slim2p
;
564 struct lpfc_dmabuf hbqslimp
;
566 uint16_t pci_cfg_value
;
568 uint8_t fc_linkspeed
; /* Link speed after last READ_LA */
570 uint32_t fc_eventTag
; /* event tag for link attention */
571 uint32_t link_events
;
573 /* These fields used to be binfo */
574 uint32_t fc_pref_DID
; /* preferred D_ID */
575 uint8_t fc_pref_ALPA
; /* preferred AL_PA */
576 uint32_t fc_edtov
; /* E_D_TOV timer value */
577 uint32_t fc_arbtov
; /* ARB_TOV timer value */
578 uint32_t fc_ratov
; /* R_A_TOV timer value */
579 uint32_t fc_rttov
; /* R_T_TOV timer value */
580 uint32_t fc_altov
; /* AL_TOV timer value */
581 uint32_t fc_crtov
; /* C_R_TOV timer value */
582 uint32_t fc_citov
; /* C_I_TOV timer value */
584 struct serv_parm fc_fabparam
; /* fabric service parameters buffer */
585 uint8_t alpa_map
[128]; /* AL_PA map from READ_LA */
589 uint32_t fc_topology
; /* link topology, from LINK INIT */
591 struct lpfc_stats fc_stat
;
593 struct lpfc_nodelist fc_fcpnodev
; /* nodelist entry for no device */
594 uint32_t nport_event_cnt
; /* timestamp for nlplist entry */
598 uint32_t RandomData
[7];
600 /* HBA Config Parameters */
602 uint32_t cfg_enable_npiv
;
603 uint32_t cfg_topology
;
604 uint32_t cfg_link_speed
;
605 uint32_t cfg_cr_delay
;
606 uint32_t cfg_cr_count
;
607 uint32_t cfg_multi_ring_support
;
608 uint32_t cfg_multi_ring_rctl
;
609 uint32_t cfg_multi_ring_type
;
611 uint32_t cfg_poll_tmo
;
612 uint32_t cfg_use_msi
;
613 uint32_t cfg_fcp_imax
;
614 uint32_t cfg_fcp_wq_count
;
615 uint32_t cfg_fcp_eq_count
;
616 uint32_t cfg_sg_seg_cnt
;
617 uint32_t cfg_prot_sg_seg_cnt
;
618 uint32_t cfg_sg_dma_buf_size
;
619 uint64_t cfg_soft_wwnn
;
620 uint64_t cfg_soft_wwpn
;
621 uint32_t cfg_hba_queue_depth
;
622 uint32_t cfg_enable_hba_reset
;
623 uint32_t cfg_enable_hba_heartbeat
;
624 uint32_t cfg_enable_bg
;
625 uint32_t cfg_hostmem_hgp
;
626 uint32_t cfg_log_verbose
;
627 uint32_t cfg_aer_support
;
628 uint32_t cfg_iocb_cnt
;
629 uint32_t cfg_suppress_link_up
;
630 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
631 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
632 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
634 lpfc_vpd_t vpd
; /* vital product data */
636 struct pci_dev
*pcidev
;
637 struct list_head work_list
;
638 uint32_t work_ha
; /* Host Attention Bits for WT */
639 uint32_t work_ha_mask
; /* HA Bits owned by WT */
640 uint32_t work_hs
; /* HS stored in case of ERRAT */
641 uint32_t work_status
[2]; /* Extra status from SLIM */
643 wait_queue_head_t work_waitq
;
644 struct task_struct
*worker_thread
;
645 unsigned long data_flags
;
647 uint32_t hbq_in_use
; /* HBQs in use flag */
648 struct list_head rb_pend_list
; /* Received buffers to be processed */
649 uint32_t hbq_count
; /* Count of configured HBQs */
650 struct hbq_s hbqs
[LPFC_MAX_HBQS
]; /* local copy of hbq indicies */
652 uint32_t fcp_qidx
; /* next work queue to post work to */
654 unsigned long pci_bar0_map
; /* Physical address for PCI BAR0 */
655 unsigned long pci_bar1_map
; /* Physical address for PCI BAR1 */
656 unsigned long pci_bar2_map
; /* Physical address for PCI BAR2 */
657 void __iomem
*slim_memmap_p
; /* Kernel memory mapped address for
659 void __iomem
*ctrl_regs_memmap_p
;/* Kernel memory mapped address for
662 void __iomem
*MBslimaddr
; /* virtual address for mbox cmds */
663 void __iomem
*HAregaddr
; /* virtual address for host attn reg */
664 void __iomem
*CAregaddr
; /* virtual address for chip attn reg */
665 void __iomem
*HSregaddr
; /* virtual address for host status
667 void __iomem
*HCregaddr
; /* virtual address for host ctl reg */
669 struct lpfc_hgp __iomem
*host_gp
; /* Host side get/put pointers */
670 struct lpfc_pgp
*port_gp
;
671 uint32_t __iomem
*hbq_put
; /* Address in SLIM to HBQ put ptrs */
672 uint32_t *hbq_get
; /* Host mem address of HBQ get ptrs */
674 int brd_no
; /* FC board number */
676 char SerialNumber
[32]; /* adapter Serial Number */
677 char OptionROMVersion
[32]; /* adapter BIOS / Fcode version */
678 char ModelDesc
[256]; /* Model Description */
679 char ModelName
[80]; /* Model Name */
680 char ProgramType
[256]; /* Program Type */
681 char Port
[20]; /* Port No */
682 uint8_t vpd_flag
; /* VPD data flag */
684 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
685 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
686 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
687 #define VPD_PORT 0x8 /* valid vpd port data */
688 #define VPD_MASK 0xf /* mask for any vpd data */
690 uint8_t soft_wwn_enable
;
692 struct timer_list fcp_poll_timer
;
693 struct timer_list eratt_poll
;
698 uint64_t fc4InputRequests
;
699 uint64_t fc4OutputRequests
;
700 uint64_t fc4ControlRequests
;
701 uint64_t bg_guard_err_cnt
;
702 uint64_t bg_apptag_err_cnt
;
703 uint64_t bg_reftag_err_cnt
;
705 struct lpfc_sysfs_mbox sysfs_mbox
;
708 spinlock_t scsi_buf_list_lock
;
709 struct list_head lpfc_scsi_buf_list
;
710 uint32_t total_scsi_bufs
;
711 struct list_head lpfc_iocb_list
;
712 uint32_t total_iocbq_bufs
;
716 struct pci_pool
*lpfc_scsi_dma_buf_pool
;
717 struct pci_pool
*lpfc_mbuf_pool
;
718 struct pci_pool
*lpfc_hrb_pool
; /* header receive buffer pool */
719 struct pci_pool
*lpfc_drb_pool
; /* data receive buffer pool */
720 struct pci_pool
*lpfc_hbq_pool
; /* SLI3 hbq buffer pool */
721 struct lpfc_dma_pool lpfc_mbuf_safety_pool
;
723 mempool_t
*mbox_mem_pool
;
724 mempool_t
*nlp_mem_pool
;
726 struct fc_host_statistics link_stats
;
727 enum intr_type_t intr_type
;
729 #define LPFC_INTR_ERROR 0xFFFFFFFF
730 struct msix_entry msix_entries
[LPFC_MSIX_VECTORS
];
732 struct list_head port_list
;
733 struct lpfc_vport
*pport
; /* physical lpfc_vport pointer */
734 uint16_t max_vpi
; /* Maximum virtual nports */
735 #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
736 uint16_t max_vports
; /*
737 * For IOV HBAs max_vpi can change
738 * after a reset. max_vports is max
739 * number of vports present. This can
740 * be greater than max_vpi.
744 unsigned long *vpi_bmask
; /* vpi allocation table */
746 /* Data structure used by fabric iocb scheduler */
747 struct list_head fabric_iocb_list
;
748 atomic_t fabric_iocb_count
;
749 struct timer_list fabric_block_timer
;
750 unsigned long bit_flags
;
751 #define FABRIC_COMANDS_BLOCKED 0
752 atomic_t num_rsrc_err
;
753 atomic_t num_cmd_success
;
754 unsigned long last_rsrc_error_time
;
755 unsigned long last_ramp_down_time
;
756 unsigned long last_ramp_up_time
;
757 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
758 struct dentry
*hba_debugfs_root
;
759 atomic_t debugfs_vport_count
;
760 struct dentry
*debug_hbqinfo
;
761 struct dentry
*debug_dumpHostSlim
;
762 struct dentry
*debug_dumpHBASlim
;
763 struct dentry
*debug_dumpData
; /* BlockGuard BPL*/
764 struct dentry
*debug_dumpDif
; /* BlockGuard BPL*/
765 struct dentry
*debug_slow_ring_trc
;
766 struct lpfc_debugfs_trc
*slow_ring_trc
;
767 atomic_t slow_ring_trc_cnt
;
770 /* Used for deferred freeing of ELS data buffers */
771 struct list_head elsbuf
;
775 uint8_t temp_sensor_support
;
776 /* Fields used for heart beat. */
777 unsigned long last_completion_time
;
778 struct timer_list hb_tmofunc
;
779 uint8_t hb_outstanding
;
780 enum hba_temp_state over_temp_state
;
781 /* ndlp reference management */
782 spinlock_t ndlp_lock
;
784 * Following bit will be set for all buffer tags which are not
785 * associated with any HBQ.
787 #define QUE_BUFTAG_BIT (1<<31)
788 uint32_t buffer_tag_count
;
789 int wait_4_mlo_maint_flg
;
790 wait_queue_head_t wait_4_mlo_m_q
;
791 /* data structure used for latency data collection */
792 #define LPFC_NO_BUCKET 0
793 #define LPFC_LINEAR_BUCKET 1
794 #define LPFC_POWER2_BUCKET 2
796 uint32_t bucket_base
;
797 uint32_t bucket_step
;
799 /* Maximum number of events that can be outstanding at any time*/
800 #define LPFC_MAX_EVT_COUNT 512
801 atomic_t fast_event_count
;
802 uint32_t fcoe_eventtag
;
803 uint32_t fcoe_eventtag_at_fcf_scan
;
808 struct list_head fcf_conn_rec_list
;
810 spinlock_t ct_ev_lock
; /* synchronize access to ct_ev_waiters */
811 struct list_head ct_ev_waiters
;
812 struct unsol_rcv_ct_ctx ct_ctx
[64];
815 uint8_t menlo_flag
; /* menlo generic flags */
816 #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
822 static inline struct Scsi_Host
*
823 lpfc_shost_from_vport(struct lpfc_vport
*vport
)
825 return container_of((void *) vport
, struct Scsi_Host
, hostdata
[0]);
829 lpfc_set_loopback_flag(struct lpfc_hba
*phba
)
831 if (phba
->cfg_topology
== FLAGS_LOCAL_LB
)
832 phba
->link_flag
|= LS_LOOPBACK_MODE
;
834 phba
->link_flag
&= ~LS_LOOPBACK_MODE
;
838 lpfc_is_link_up(struct lpfc_hba
*phba
)
840 return phba
->link_state
== LPFC_LINK_UP
||
841 phba
->link_state
== LPFC_CLEAR_LA
||
842 phba
->link_state
== LPFC_HBA_READY
;
846 lpfc_worker_wake_up(struct lpfc_hba
*phba
)
848 /* Set the lpfc data pending flag */
849 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
851 /* Wake up worker thread */
852 wake_up(&phba
->work_waitq
);
857 lpfc_sli_read_hs(struct lpfc_hba
*phba
)
860 * There was a link/board error. Read the status register to retrieve
861 * the error event and process it.
863 phba
->sli
.slistat
.err_attn_event
++;
865 /* Save status info */
866 phba
->work_hs
= readl(phba
->HSregaddr
);
867 phba
->work_status
[0] = readl(phba
->MBslimaddr
+ 0xa8);
868 phba
->work_status
[1] = readl(phba
->MBslimaddr
+ 0xac);
870 /* Clear chip Host Attention error bit */
871 writel(HA_ERATT
, phba
->HAregaddr
);
872 readl(phba
->HAregaddr
); /* flush */
873 phba
->pport
->stopped
= 1;