1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
11 * This program is free software; you can redistribute it and/or *
12 * modify it under the terms of version 2 of the GNU General *
13 * Public License as published by the Free Software Foundation. *
14 * This program is distributed in the hope that it will be useful. *
15 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
16 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
18 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19 * TO BE LEGALLY INVALID. See the GNU General Public License for *
20 * more details, a copy of which can be found in the file COPYING *
21 * included with this package. *
22 *******************************************************************/
24 #include <scsi/scsi_host.h>
25 #include <linux/hashtable.h>
26 #include <linux/ktime.h>
27 #include <linux/workqueue.h>
29 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
30 #define CONFIG_SCSI_LPFC_DEBUG_FS
33 struct lpfc_sli2_slim
;
35 #define ELX_MODEL_NAME_SIZE 80
37 #define LPFC_PCI_DEV_LP 0x1
38 #define LPFC_PCI_DEV_OC 0x2
40 #define LPFC_SLI_REV2 2
41 #define LPFC_SLI_REV3 3
42 #define LPFC_SLI_REV4 4
44 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */
45 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
47 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
48 the NameServer before giving up. */
49 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
50 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
51 #define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
52 cmnd for menlo needs nearly twice as for firmware
53 downloads using bsg */
55 #define LPFC_DEFAULT_XPSGL_SIZE 256
56 #define LPFC_MAX_SG_TABLESIZE 0xffff
57 #define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */
58 #define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */
59 #define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */
60 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
61 #define LPFC_MIN_SG_SEG_CNT 32 /* sg element count per scsi cmnd */
62 #define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */
63 #define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */
64 #define LPFC_MAX_NVME_SEG_CNT 256 /* max SGL element cnt per NVME cmnd */
66 #define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */
67 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
68 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
69 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */
70 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
71 #define LPFC_MIN_TGT_QDEPTH 10
72 #define LPFC_MAX_TGT_QDEPTH 0xFFFF
74 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
77 * Following time intervals are used of adjusting SCSI device
78 * queue depths when there are driver resource error or Firmware
82 #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))
84 /* Number of exchanges reserved for discovery to complete */
85 #define LPFC_DISC_IOCB_BUFF_COUNT 20
87 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
88 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
90 /* Error Attention event polling interval */
91 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
93 /* Define macros for 64 bit support */
94 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
95 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
96 #define getPaddr(high, low) ((dma_addr_t)( \
97 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
98 /* Provide maximum configuration definitions. */
99 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
100 #define FC_MAX_ADPTMSG 64
102 #define MAX_HBAEVT 32
103 #define MAX_HBAS_NO_RESET 16
105 /* Number of MSI-X vectors the driver uses */
106 #define LPFC_MSIX_VECTORS 2
108 /* lpfc wait event data ready flag */
109 #define LPFC_DATA_READY 0 /* bit 0 */
111 /* queue dump line buffer size */
112 #define LPFC_LBUF_SZ 128
114 /* mailbox system shutdown options */
115 #define LPFC_MBX_NO_WAIT 0
116 #define LPFC_MBX_WAIT 1
118 #define LPFC_CFG_PARAM_MAGIC_NUM 0xFEAA0005
119 #define LPFC_PORT_CFG_NAME "/cfg/port.cfg"
121 #define lpfc_rangecheck(val, min, max) \
122 ((uint)(val) >= (uint)(min) && (val) <= (max))
124 enum lpfc_polling_flags
{
125 ENABLE_FCP_RING_POLLING
= 0x1,
126 DISABLE_FCP_RING_INT
= 0x2
130 uint16_t cmd_cpu
[40];
131 uint16_t rsp_cpu
[40];
137 * Provide for FC4 TYPE x28 - NVME. The
138 * bit mask for FCP and NVME is 0x8 identically
139 * because they are 32 bit positions distance.
141 #define LPFC_FC4_TYPE_BITMASK 0x00000100
143 /* Provide DMA memory definitions the driver uses per port instance. */
145 struct list_head list
;
146 void *virt
; /* virtual address ptr */
147 dma_addr_t phys
; /* mapped address */
148 uint32_t buffer_tag
; /* used for tagged queue ring */
151 struct lpfc_nvmet_ctxbuf
{
152 struct list_head list
;
153 struct lpfc_async_xchg_ctx
*context
;
154 struct lpfc_iocbq
*iocbq
;
155 struct lpfc_sglq
*sglq
;
156 struct work_struct defer_work
;
159 struct lpfc_dma_pool
{
160 struct lpfc_dmabuf
*elements
;
162 uint32_t current_count
;
166 struct lpfc_dmabuf hbuf
;
167 struct lpfc_dmabuf dbuf
;
171 struct lpfc_cq_event cq_event
;
172 unsigned long time_stamp
;
177 struct lpfc_dmabuf hbuf
;
178 struct lpfc_dmabuf dbuf
;
182 struct lpfc_queue
*hrq
; /* ptr to associated Header RQ */
183 struct lpfc_queue
*drq
; /* ptr to associated Data RQ */
186 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
187 #define MEM_PRI 0x100
190 /****************************************************************************/
191 /* Device VPD save area */
192 /****************************************************************************/
193 typedef struct lpfc_vpd
{
194 uint32_t status
; /* vpd status value */
195 uint32_t length
; /* number of bytes actually returned */
197 uint32_t rsvd1
; /* Revision numbers */
205 uint8_t feaLevelHigh
;
207 uint32_t postKernRev
;
209 uint8_t opFwName
[16];
211 uint8_t sli1FwName
[16];
213 uint8_t sli2FwName
[16];
216 #ifdef __BIG_ENDIAN_BITFIELD
217 uint32_t rsvd3
:20; /* Reserved */
218 uint32_t rsvd2
: 3; /* Reserved */
219 uint32_t cbg
: 1; /* Configure BlockGuard */
220 uint32_t cmv
: 1; /* Configure Max VPIs */
221 uint32_t ccrp
: 1; /* Config Command Ring Polling */
222 uint32_t csah
: 1; /* Configure Synchronous Abort Handling */
223 uint32_t chbs
: 1; /* Cofigure Host Backing store */
224 uint32_t cinb
: 1; /* Enable Interrupt Notification Block */
225 uint32_t cerbm
: 1; /* Configure Enhanced Receive Buf Mgmt */
226 uint32_t cmx
: 1; /* Configure Max XRIs */
227 uint32_t cmr
: 1; /* Configure Max RPIs */
228 #else /* __LITTLE_ENDIAN */
229 uint32_t cmr
: 1; /* Configure Max RPIs */
230 uint32_t cmx
: 1; /* Configure Max XRIs */
231 uint32_t cerbm
: 1; /* Configure Enhanced Receive Buf Mgmt */
232 uint32_t cinb
: 1; /* Enable Interrupt Notification Block */
233 uint32_t chbs
: 1; /* Cofigure Host Backing store */
234 uint32_t csah
: 1; /* Configure Synchronous Abort Handling */
235 uint32_t ccrp
: 1; /* Config Command Ring Polling */
236 uint32_t cmv
: 1; /* Configure Max VPIs */
237 uint32_t cbg
: 1; /* Configure BlockGuard */
238 uint32_t rsvd2
: 3; /* Reserved */
239 uint32_t rsvd3
:20; /* Reserved */
249 /* Statistics for ELS commands */
251 uint32_t elsRetryExceeded
;
252 uint32_t elsXmitRetry
;
253 uint32_t elsDelayRetry
;
255 uint32_t elsRcvFrame
;
259 uint32_t elsRcvFARPR
;
260 uint32_t elsRcvFLOGI
;
261 uint32_t elsRcvPLOGI
;
262 uint32_t elsRcvADISC
;
263 uint32_t elsRcvPDISC
;
277 uint32_t elsXmitFLOGI
;
278 uint32_t elsXmitFDISC
;
279 uint32_t elsXmitPLOGI
;
280 uint32_t elsXmitPRLI
;
281 uint32_t elsXmitADISC
;
282 uint32_t elsXmitLOGO
;
284 uint32_t elsXmitRSCN
;
285 uint32_t elsXmitRNID
;
286 uint32_t elsXmitFARP
;
287 uint32_t elsXmitFARPR
;
289 uint32_t elsXmitLSRJT
;
291 uint32_t frameRcvBcast
;
292 uint32_t frameRcvMulti
;
293 uint32_t strayXmitCmpl
;
294 uint32_t frameXmitDelay
;
299 uint32_t LinkMultiEvent
;
304 uint32_t fcpRemoteStop
;
306 uint32_t fcpPortBusy
;
308 uint32_t fcpLocalErr
;
314 #define LPFC_VMID_TIMER 300 /* timer interval in seconds */
316 #define LPFC_MAX_VMID_SIZE 256
317 #define LPFC_COMPRESS_VMID_SIZE 16
319 union lpfc_vmid_io_tag
{
320 u32 app_id
; /* App Id vmid */
321 u8 cs_ctl_vmid
; /* Priority tag vmid */
324 #define JIFFIES_PER_HR (HZ * 60 * 60)
328 #define LPFC_VMID_SLOT_FREE 0x0
329 #define LPFC_VMID_SLOT_USED 0x1
330 #define LPFC_VMID_REQ_REGISTER 0x2
331 #define LPFC_VMID_REGISTERED 0x4
332 #define LPFC_VMID_DE_REGISTER 0x8
333 char host_vmid
[LPFC_MAX_VMID_SIZE
];
334 union lpfc_vmid_io_tag un
;
335 struct hlist_node hnode
;
339 u8 delete_inactive
; /* Delete if inactive flag 0 = no, 1 = yes */
341 u64 __percpu
*last_io_time
;
344 #define lpfc_vmid_is_type_priority_tag(vport)\
345 (vport->vmid_priority_tagging ? 1 : 0)
347 #define LPFC_VMID_HASH_SIZE 256
348 #define LPFC_VMID_HASH_MASK 255
349 #define LPFC_VMID_HASH_SHIFT 6
351 struct lpfc_vmid_context
{
352 struct lpfc_vmid
*vmp
;
353 struct lpfc_nodelist
*nlp
;
357 struct lpfc_vmid_priority_range
{
363 struct lpfc_vmid_priority_info
{
365 struct lpfc_vmid_priority_range
*vmid_range
;
368 #define QFPA_EVEN_ONLY 0x01
369 #define QFPA_ODD_ONLY 0x02
370 #define QFPA_EVEN_ODD 0x03
372 enum discovery_state
{
373 LPFC_VPORT_UNKNOWN
= 0, /* vport state is unknown */
374 LPFC_VPORT_FAILED
= 1, /* vport has failed */
375 LPFC_LOCAL_CFG_LINK
= 6, /* local NPORT Id configured */
376 LPFC_FLOGI
= 7, /* FLOGI sent to Fabric */
377 LPFC_FDISC
= 8, /* FDISC sent for vport */
378 LPFC_FABRIC_CFG_LINK
= 9, /* Fabric assigned NPORT Id
380 LPFC_NS_REG
= 10, /* Register with NameServer */
381 LPFC_NS_QRY
= 11, /* Query NameServer for NPort ID list */
382 LPFC_BUILD_DISC_LIST
= 12, /* Build ADISC and PLOGI lists for
383 * device authentication / discovery */
384 LPFC_DISC_AUTH
= 13, /* Processing ADISC list */
385 LPFC_VPORT_READY
= 32,
389 LPFC_LINK_UNKNOWN
= 0, /* HBA state is unknown */
390 LPFC_WARM_START
= 1, /* HBA state after selective reset */
391 LPFC_INIT_START
= 2, /* Initial state after board reset */
392 LPFC_INIT_MBX_CMDS
= 3, /* Initialize HBA with mbox commands */
393 LPFC_LINK_DOWN
= 4, /* HBA initialized, link is down */
394 LPFC_LINK_UP
= 5, /* Link is up - issue READ_LA */
395 LPFC_CLEAR_LA
= 6, /* authentication cmplt - issue
401 struct lpfc_trunk_link_state
{
402 enum hba_state state
;
406 struct lpfc_trunk_link
{
407 struct lpfc_trunk_link_state link0
,
413 /* Format of congestion module parameters */
414 struct lpfc_cgn_param
{
415 uint32_t cgn_param_magic
;
416 uint8_t cgn_param_version
; /* version 1 */
417 uint8_t cgn_param_mode
; /* 0=off 1=managed 2=monitor only */
418 #define LPFC_CFG_OFF 0
419 #define LPFC_CFG_MANAGED 1
420 #define LPFC_CFG_MONITOR 2
423 uint8_t cgn_param_level0
;
424 uint8_t cgn_param_level1
;
425 uint8_t cgn_param_level2
;
433 /* Max number of days of congestion data */
434 #define LPFC_MAX_CGN_DAYS 10
436 /* Format of congestion buffer info
437 * This structure defines memory thats allocated and registered with
438 * the HBA firmware. When adding or removing fields from this structure
439 * the alignment must match the HBA firmware.
442 struct lpfc_cgn_info
{
444 __le16 cgn_info_size
; /* is sizeof(struct lpfc_cgn_info) */
445 uint8_t cgn_info_version
; /* represents format of structure */
446 #define LPFC_CGN_INFO_V1 1
447 #define LPFC_CGN_INFO_V2 2
448 #define LPFC_CGN_INFO_V3 3
449 uint8_t cgn_info_mode
; /* 0=off 1=managed 2=monitor only */
450 uint8_t cgn_info_detect
;
451 uint8_t cgn_info_action
;
452 uint8_t cgn_info_level0
;
453 uint8_t cgn_info_level1
;
454 uint8_t cgn_info_level2
;
457 uint8_t cgn_info_month
;
458 uint8_t cgn_info_day
;
459 uint8_t cgn_info_year
;
460 uint8_t cgn_info_hour
;
461 uint8_t cgn_info_minute
;
462 uint8_t cgn_info_second
;
464 /* minute / hours / daily indices */
465 uint8_t cgn_index_minute
;
466 uint8_t cgn_index_hour
;
467 uint8_t cgn_index_day
;
469 __le16 cgn_warn_freq
;
470 __le16 cgn_alarm_freq
;
474 /* Driver Information */
475 __le16 cgn_drvr_min
[60];
476 __le32 cgn_drvr_hr
[24];
477 __le32 cgn_drvr_day
[LPFC_MAX_CGN_DAYS
];
479 /* Congestion Warnings */
480 __le16 cgn_warn_min
[60];
481 __le32 cgn_warn_hr
[24];
482 __le32 cgn_warn_day
[LPFC_MAX_CGN_DAYS
];
484 /* Latency Information */
485 __le32 cgn_latency_min
[60];
486 __le32 cgn_latency_hr
[24];
487 __le32 cgn_latency_day
[LPFC_MAX_CGN_DAYS
];
489 /* Bandwidth Information */
490 __le16 cgn_bw_min
[60];
491 __le16 cgn_bw_hr
[24];
492 __le16 cgn_bw_day
[LPFC_MAX_CGN_DAYS
];
494 /* Congestion Alarms */
495 __le16 cgn_alarm_min
[60];
496 __le32 cgn_alarm_hr
[24];
497 __le32 cgn_alarm_day
[LPFC_MAX_CGN_DAYS
];
499 struct_group(cgn_stat
,
500 uint8_t cgn_stat_npm
; /* Notifications per minute */
503 uint8_t cgn_stat_month
;
504 uint8_t cgn_stat_day
;
505 uint8_t cgn_stat_year
;
506 uint8_t cgn_stat_hour
;
507 uint8_t cgn_stat_minute
;
510 __le32 cgn_notification
;
511 __le32 cgn_peer_notification
;
512 __le32 link_integ_notification
;
513 __le32 delivery_notification
;
515 uint8_t cgn_stat_cgn_month
; /* Last congestion notification FPIN */
516 uint8_t cgn_stat_cgn_day
;
517 uint8_t cgn_stat_cgn_year
;
518 uint8_t cgn_stat_cgn_hour
;
519 uint8_t cgn_stat_cgn_min
;
520 uint8_t cgn_stat_cgn_sec
;
522 uint8_t cgn_stat_peer_month
; /* Last peer congestion FPIN */
523 uint8_t cgn_stat_peer_day
;
524 uint8_t cgn_stat_peer_year
;
525 uint8_t cgn_stat_peer_hour
;
526 uint8_t cgn_stat_peer_min
;
527 uint8_t cgn_stat_peer_sec
;
529 uint8_t cgn_stat_lnk_month
; /* Last link integrity FPIN */
530 uint8_t cgn_stat_lnk_day
;
531 uint8_t cgn_stat_lnk_year
;
532 uint8_t cgn_stat_lnk_hour
;
533 uint8_t cgn_stat_lnk_min
;
534 uint8_t cgn_stat_lnk_sec
;
536 uint8_t cgn_stat_del_month
; /* Last delivery notification FPIN */
537 uint8_t cgn_stat_del_day
;
538 uint8_t cgn_stat_del_year
;
539 uint8_t cgn_stat_del_hour
;
540 uint8_t cgn_stat_del_min
;
541 uint8_t cgn_stat_del_sec
;
545 #define LPFC_CGN_CRC32_MAGIC_NUMBER 0x1EDC6F41
546 #define LPFC_CGN_CRC32_SEED 0xFFFFFFFF
549 #define LPFC_CGN_INFO_SZ (sizeof(struct lpfc_cgn_info) - \
552 struct lpfc_cgn_stat
{
553 atomic64_t total_bytes
;
554 atomic64_t rcv_bytes
;
555 atomic64_t rx_latency
;
556 #define LPFC_CGN_NOT_SENT 0xFFFFFFFFFFFFFFFFLL
560 struct lpfc_cgn_acqe_stat
{
566 struct lpfc_hba
*phba
;
567 struct list_head listentry
;
569 #define LPFC_PHYSICAL_PORT 1
570 #define LPFC_NPIV_PORT 2
571 #define LPFC_FABRIC_PORT 3
572 enum discovery_state port_state
;
577 #define LPFC_VPI_REGISTERED 0x1
579 uint32_t fc_flag
; /* FC flags */
580 /* Several of these flags are HBA centric and should be moved to
581 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
583 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
584 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
585 #define FC_DISC_TMO 0x4 /* Discovery timer running */
586 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
587 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
588 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
589 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
590 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
591 #define FC_FABRIC 0x100 /* We are fabric attached */
592 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
593 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
594 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
595 #define FC_PT2PT_NO_NVME 0x1000 /* Don't send NVME PRLI */
596 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
597 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
598 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
599 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
600 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
601 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
602 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
603 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
604 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
605 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
606 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */
609 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
610 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
611 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
612 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
613 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
615 struct list_head fc_nodes
;
617 /* Keep counters for the number of entries in each list. */
618 uint16_t fc_plogi_cnt
;
619 uint16_t fc_adisc_cnt
;
620 uint16_t fc_reglogin_cnt
;
621 uint16_t fc_prli_cnt
;
622 uint16_t fc_unmap_cnt
;
625 uint16_t fc_unused_cnt
;
626 struct serv_parm fc_sparam
; /* buffer for our service parameters */
628 uint32_t fc_myDID
; /* fibre channel S_ID */
629 uint32_t fc_prevDID
; /* previous fibre channel S_ID */
630 struct lpfc_name fabric_portname
;
631 struct lpfc_name fabric_nodename
;
633 int32_t stopped
; /* HBA has not been restarted since last ERATT */
634 uint8_t fc_linkspeed
; /* Link speed after last READ_LA */
636 uint32_t num_disc_nodes
; /* in addition to hba_state */
637 uint32_t gidft_inp
; /* cnt of outstanding GID_FTs */
639 uint32_t fc_nlp_cnt
; /* outstanding NODELIST requests */
640 uint32_t fc_rscn_id_cnt
; /* count of RSCNs payloads in list */
641 uint32_t fc_rscn_flush
; /* flag use of fc_rscn_id_list */
642 struct lpfc_dmabuf
*fc_rscn_id_list
[FC_MAX_HOLD_RSCN
];
643 struct lpfc_name fc_nodename
; /* fc nodename */
644 struct lpfc_name fc_portname
; /* fc portname */
646 struct lpfc_work_evt disc_timeout_evt
;
648 struct timer_list fc_disctmo
; /* Discovery rescue timer */
649 uint8_t fc_ns_retry
; /* retries for fabric nameserver */
650 uint32_t fc_prli_sent
; /* cntr for outstanding PRLIs */
652 spinlock_t work_port_lock
;
653 uint32_t work_port_events
; /* Timeout to be handled */
654 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
655 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
656 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
658 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
659 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
660 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
661 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
662 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
663 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
664 #define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */
665 #define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs
668 struct timer_list els_tmofunc
;
669 struct timer_list delayed_disc_tmo
;
672 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
673 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
674 #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */
675 #define FC_ALLOW_VMID 0x8 /* Allow VMID I/Os */
676 #define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all VMIDs */
677 /* Vport Config Parameters */
678 uint32_t cfg_scan_down
;
679 uint32_t cfg_lun_queue_depth
;
680 uint32_t cfg_nodev_tmo
;
681 uint32_t cfg_devloss_tmo
;
682 uint32_t cfg_restrict_login
;
683 uint32_t cfg_peer_port_login
;
684 uint32_t cfg_fcp_class
;
685 uint32_t cfg_use_adisc
;
686 uint32_t cfg_discovery_threads
;
687 uint32_t cfg_log_verbose
;
688 uint32_t cfg_enable_fc4_type
;
689 uint32_t cfg_max_luns
;
690 uint32_t cfg_enable_da_id
;
691 uint32_t cfg_max_scsicmpl_time
;
692 uint32_t cfg_tgt_queue_depth
;
693 uint32_t cfg_first_burst_size
;
694 uint32_t dev_loss_tmo_changed
;
695 /* VMID parameters */
696 u8 lpfc_vmid_host_uuid
[LPFC_COMPRESS_VMID_SIZE
];
697 u32 max_vmid
; /* maximum VMIDs allowed per port */
698 u32 cur_vmid_cnt
; /* Current VMID count */
699 #define LPFC_MIN_VMID 4
700 #define LPFC_MAX_VMID 255
701 u32 vmid_inactivity_timeout
; /* Time after which the VMID */
702 /* deregisters from switch */
703 u32 vmid_priority_tagging
;
704 #define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */
705 #define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */
706 #define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */
707 unsigned long *vmid_priority_range
;
708 #define LPFC_VMID_MAX_PRIORITY_RANGE 256
709 #define LPFC_VMID_PRIORITY_BITMAP_SIZE 32
711 #define LPFC_VMID_IN_USE 0x1
712 #define LPFC_VMID_ISSUE_QFPA 0x2
713 #define LPFC_VMID_QFPA_CMPL 0x4
714 #define LPFC_VMID_QOS_ENABLED 0x8
715 #define LPFC_VMID_TIMER_ENBLD 0x10
716 struct fc_qfpa_res
*qfpa_res
;
718 struct fc_vport
*fc_vport
;
720 struct lpfc_vmid
*vmid
;
721 DECLARE_HASHTABLE(hash_table
, 8);
723 struct lpfc_vmid_priority_info vmid_priority
;
725 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
726 struct dentry
*debug_disc_trc
;
727 struct dentry
*debug_nodelist
;
728 struct dentry
*debug_nvmestat
;
729 struct dentry
*debug_scsistat
;
730 struct dentry
*debug_ioktime
;
731 struct dentry
*debug_hdwqstat
;
732 struct dentry
*vport_debugfs_root
;
733 struct lpfc_debugfs_trc
*disc_trc
;
734 atomic_t disc_trc_cnt
;
736 uint8_t stat_data_enabled
;
737 uint8_t stat_data_blocked
;
738 struct list_head rcv_buffer_list
;
739 unsigned long rcv_buffer_time_stamp
;
741 #define STATIC_VPORT 1
743 #define FAWWPN_PARAM_CHG 4
745 uint16_t fdmi_num_disc
;
746 uint32_t fdmi_hba_mask
;
747 uint32_t fdmi_port_mask
;
749 /* There is a single nvme instance per vport. */
750 struct nvme_fc_local_port
*localport
;
751 uint8_t nvmei_support
; /* driver supports NVME Initiator */
752 uint32_t last_fcp_wqidx
;
753 uint32_t rcv_flogi_cnt
; /* How many unsol FLOGIs ACK'd. */
757 uint16_t entry_count
; /* Current number of HBQ slots */
758 uint16_t buffer_count
; /* Current number of buffers posted */
759 uint32_t next_hbqPutIdx
; /* Index to next HBQ slot to use */
760 uint32_t hbqPutIdx
; /* HBQ slot to use */
761 uint32_t local_hbqGetIdx
; /* Local copy of Get index from Port */
762 void *hbq_virt
; /* Virtual ptr to this hbq */
763 struct list_head hbq_buffer_list
; /* buffers assigned to this HBQ */
764 /* Callback for HBQ buffer allocation */
765 struct hbq_dmabuf
*(*hbq_alloc_buffer
) (struct lpfc_hba
*);
766 /* Callback for HBQ buffer free */
767 void (*hbq_free_buffer
) (struct lpfc_hba
*,
768 struct hbq_dmabuf
*);
771 /* this matches the position in the lpfc_hbq_defs array */
772 #define LPFC_ELS_HBQ 0
773 #define LPFC_MAX_HBQS 1
775 enum hba_temp_state
{
787 #define LPFC_CT_CTX_MAX 64
788 struct unsol_rcv_ct_ctx
{
792 #define UNSOL_INVALID 0
793 #define UNSOL_VALID 1
798 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
799 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
800 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
801 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
802 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
803 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
804 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
805 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */
806 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */
807 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G
809 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
831 struct lpfc_mbox_ext_buf_ctx
{
833 #define LPFC_BSG_MBOX_IDLE 0
834 #define LPFC_BSG_MBOX_HOST 1
835 #define LPFC_BSG_MBOX_PORT 2
836 #define LPFC_BSG_MBOX_DONE 3
837 #define LPFC_BSG_MBOX_ABTS 4
838 enum nemb_type nembType
;
839 enum mbox_type mboxType
;
843 struct lpfc_dmabuf
*mbx_dmabuf
;
844 struct list_head ext_dmabuf_list
;
847 struct lpfc_epd_pool
{
849 struct list_head list
;
851 spinlock_t lock
; /* lock for expedite pool */
860 struct lpfc_ras_fwlog
{
862 uint32_t fw_buffcount
; /* Buffer size posted to FW */
863 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */
864 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
865 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
866 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
867 uint32_t fw_loglevel
; /* Log level set */
868 struct lpfc_dmabuf lwpd
;
869 struct list_head fwlog_buff_list
;
871 /* RAS support status on adapter */
872 bool ras_hwsupport
; /* RAS Support available on HW or not */
873 bool ras_enabled
; /* Ras Enabled for the function */
874 #define LPFC_RAS_DISABLE_LOGGING 0x00
875 #define LPFC_RAS_ENABLE_LOGGING 0x01
876 enum ras_state state
; /* RAS logging running state */
879 #define DBG_LOG_STR_SZ 256
880 #define DBG_LOG_SZ 256
883 char log
[DBG_LOG_STR_SZ
];
887 enum lpfc_irq_chann_mode
{
888 /* Assign IRQs to all possible cpus that have hardware queues */
891 /* Assign IRQs only to cpus on the same numa node as HBA */
894 /* Assign IRQs only on non-hyperthreaded CPUs. This is the
895 * same as normal_mode, but assign IRQS only on physical CPUs.
901 /* SCSI interface function jump table entries */
902 struct lpfc_io_buf
* (*lpfc_get_scsi_buf
)
903 (struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
904 struct scsi_cmnd
*cmnd
);
905 int (*lpfc_scsi_prep_dma_buf
)
906 (struct lpfc_hba
*, struct lpfc_io_buf
*);
907 void (*lpfc_scsi_unprep_dma_buf
)
908 (struct lpfc_hba
*, struct lpfc_io_buf
*);
909 void (*lpfc_release_scsi_buf
)
910 (struct lpfc_hba
*, struct lpfc_io_buf
*);
911 void (*lpfc_rampdown_queue_depth
)
913 void (*lpfc_scsi_prep_cmnd
)
914 (struct lpfc_vport
*, struct lpfc_io_buf
*,
915 struct lpfc_nodelist
*);
916 int (*lpfc_scsi_prep_cmnd_buf
)
917 (struct lpfc_vport
*vport
,
918 struct lpfc_io_buf
*lpfc_cmd
,
920 int (*lpfc_scsi_prep_task_mgmt_cmd
)
921 (struct lpfc_vport
*vport
,
922 struct lpfc_io_buf
*lpfc_cmd
,
923 u64 lun
, u8 task_mgmt_cmd
);
925 /* IOCB interface function jump table entries */
926 int (*__lpfc_sli_issue_iocb
)
927 (struct lpfc_hba
*, uint32_t,
928 struct lpfc_iocbq
*, uint32_t);
929 int (*__lpfc_sli_issue_fcp_io
)
930 (struct lpfc_hba
*phba
, uint32_t ring_number
,
931 struct lpfc_iocbq
*piocb
, uint32_t flag
);
932 void (*__lpfc_sli_release_iocbq
)(struct lpfc_hba
*,
933 struct lpfc_iocbq
*);
934 int (*lpfc_hba_down_post
)(struct lpfc_hba
*phba
);
935 void (*lpfc_scsi_cmd_iocb_cmpl
)
936 (struct lpfc_hba
*, struct lpfc_iocbq
*, struct lpfc_iocbq
*);
938 /* MBOX interface function jump table entries */
939 int (*lpfc_sli_issue_mbox
)
940 (struct lpfc_hba
*, LPFC_MBOXQ_t
*, uint32_t);
942 /* Slow-path IOCB process function jump table entries */
943 void (*lpfc_sli_handle_slow_ring_event
)
944 (struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
947 /* INIT device interface function jump table entries */
948 int (*lpfc_sli_hbq_to_firmware
)
949 (struct lpfc_hba
*, uint32_t, struct hbq_dmabuf
*);
950 int (*lpfc_sli_brdrestart
)
952 int (*lpfc_sli_brdready
)
953 (struct lpfc_hba
*, uint32_t);
954 void (*lpfc_handle_eratt
)
956 void (*lpfc_stop_port
)
958 int (*lpfc_hba_init_link
)
959 (struct lpfc_hba
*, uint32_t);
960 int (*lpfc_hba_down_link
)
961 (struct lpfc_hba
*, uint32_t);
962 int (*lpfc_selective_reset
)
965 int (*lpfc_bg_scsi_prep_dma_buf
)
966 (struct lpfc_hba
*, struct lpfc_io_buf
*);
968 /* Prep SLI WQE/IOCB jump table entries */
969 void (*__lpfc_sli_prep_els_req_rsp
)(struct lpfc_iocbq
*cmdiocbq
,
970 struct lpfc_vport
*vport
,
971 struct lpfc_dmabuf
*bmp
,
972 u16 cmd_size
, u32 did
, u32 elscmd
,
973 u8 tmo
, u8 expect_rsp
);
974 void (*__lpfc_sli_prep_gen_req
)(struct lpfc_iocbq
*cmdiocbq
,
975 struct lpfc_dmabuf
*bmp
, u16 rpi
,
976 u32 num_entry
, u8 tmo
);
977 void (*__lpfc_sli_prep_xmit_seq64
)(struct lpfc_iocbq
*cmdiocbq
,
978 struct lpfc_dmabuf
*bmp
, u16 rpi
,
979 u16 ox_id
, u32 num_entry
, u8 rctl
,
980 u8 last_seq
, u8 cr_cx_cmd
);
981 void (*__lpfc_sli_prep_abort_xri
)(struct lpfc_iocbq
*cmdiocbq
,
982 u16 ulp_context
, u16 iotag
,
983 u8 ulp_class
, u16 cqid
, bool ia
);
986 struct lpfc_epd_pool epd_pool
;
988 /* SLI4 specific HBA data structure */
989 struct lpfc_sli4_hba sli4_hba
;
991 struct workqueue_struct
*wq
;
992 struct delayed_work eq_delay_work
;
994 #define LPFC_IDLE_STAT_DELAY 1000
995 struct delayed_work idle_stat_delay_work
;
998 uint8_t pci_dev_grp
; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
999 uint32_t sli_rev
; /* SLI2, SLI3, or SLI4 */
1000 uint32_t sli3_options
; /* Mask of enabled SLI3 options */
1001 #define LPFC_SLI3_HBQ_ENABLED 0x01
1002 #define LPFC_SLI3_NPIV_ENABLED 0x02
1003 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
1004 #define LPFC_SLI3_CRP_ENABLED 0x08
1005 #define LPFC_SLI3_BG_ENABLED 0x20
1006 #define LPFC_SLI3_DSS_ENABLED 0x40
1007 #define LPFC_SLI4_PERFH_ENABLED 0x80
1008 #define LPFC_SLI4_PHWQ_ENABLED 0x100
1009 uint32_t iocb_cmd_size
;
1010 uint32_t iocb_rsp_size
;
1012 struct lpfc_trunk_link trunk_link
;
1013 enum hba_state link_state
;
1014 uint32_t link_flag
; /* link state flags */
1015 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
1016 /* This flag is set while issuing */
1017 /* INIT_LINK mailbox command */
1018 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
1019 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
1020 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */
1021 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */
1022 #define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */
1024 uint32_t hba_flag
; /* hba generic flags */
1025 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
1026 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */
1027 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */
1028 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
1029 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
1030 #define HBA_PERSISTENT_TOPO 0x20 /* Persistent topology support in hba */
1031 #define ELS_XRI_ABORT_EVENT 0x40 /* ELS_XRI abort event was queued */
1032 #define ASYNC_EVENT 0x80
1033 #define LINK_DISABLED 0x100 /* Link disabled by user */
1034 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
1035 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
1036 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
1037 #define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */
1038 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
1039 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */
1040 #define HBA_IOQ_FLUSH 0x8000 /* FCP/NVME I/O queues being flushed */
1041 #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */
1042 #define HBA_FORCED_LINK_SPEED 0x40000 /*
1043 * Firmware supports Forced Link Speed
1046 #define HBA_PCI_ERR 0x80000 /* The PCI slot is offline */
1047 #define HBA_FLOGI_ISSUED 0x100000 /* FLOGI was issued */
1048 #define HBA_SHORT_CMF 0x200000 /* shorter CMF timer routine */
1049 #define HBA_CGN_DAY_WRAP 0x400000 /* HBA Congestion info day wraps */
1050 #define HBA_DEFER_FLOGI 0x800000 /* Defer FLOGI till read_sparm cmpl */
1051 #define HBA_SETUP 0x1000000 /* Signifies HBA setup is completed */
1052 #define HBA_NEEDS_CFG_PORT 0x2000000 /* SLI3 - needs a CONFIG_PORT mbox */
1053 #define HBA_HBEAT_INP 0x4000000 /* mbox HBEAT is in progress */
1054 #define HBA_HBEAT_TMO 0x8000000 /* HBEAT initiated after timeout */
1055 #define HBA_FLOGI_OUTSTANDING 0x10000000 /* FLOGI is outstanding */
1057 struct completion
*fw_dump_cmpl
; /* cmpl event tracker for fw_dump */
1058 uint32_t fcp_ring_in_use
; /* When polling test if intr-hndlr active*/
1059 struct lpfc_dmabuf slim2p
;
1063 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx
;
1066 struct _IOCB
*IOCBs
;
1068 struct lpfc_dmabuf hbqslimp
;
1070 uint16_t pci_cfg_value
;
1072 uint8_t fc_linkspeed
; /* Link speed after last READ_LA */
1074 uint32_t fc_eventTag
; /* event tag for link attention */
1075 uint32_t link_events
;
1077 /* These fields used to be binfo */
1078 uint32_t fc_pref_DID
; /* preferred D_ID */
1079 uint8_t fc_pref_ALPA
; /* preferred AL_PA */
1080 uint32_t fc_edtovResol
; /* E_D_TOV timer resolution */
1081 uint32_t fc_edtov
; /* E_D_TOV timer value */
1082 uint32_t fc_arbtov
; /* ARB_TOV timer value */
1083 uint32_t fc_ratov
; /* R_A_TOV timer value */
1084 uint32_t fc_rttov
; /* R_T_TOV timer value */
1085 uint32_t fc_altov
; /* AL_TOV timer value */
1086 uint32_t fc_crtov
; /* C_R_TOV timer value */
1088 struct serv_parm fc_fabparam
; /* fabric service parameters buffer */
1089 uint8_t alpa_map
[128]; /* AL_PA map from READ_LA */
1093 uint32_t fc_topology
; /* link topology, from LINK INIT */
1094 uint32_t fc_topology_changed
; /* link topology, from LINK INIT */
1096 struct lpfc_stats fc_stat
;
1098 struct lpfc_nodelist fc_fcpnodev
; /* nodelist entry for no device */
1099 uint32_t nport_event_cnt
; /* timestamp for nlplist entry */
1103 uint32_t RandomData
[7];
1104 uint8_t fcp_embed_io
;
1105 uint8_t nvmet_support
; /* driver supports NVMET */
1106 #define LPFC_NVMET_MAX_PORTS 32
1107 uint8_t mds_diags_support
;
1108 uint8_t bbcredit_support
;
1109 uint8_t enab_exp_wqcq_pages
;
1110 u8 nsler
; /* Firmware supports FC-NVMe-2 SLER */
1112 /* HBA Config Parameters */
1114 uint32_t cfg_xri_rebalancing
;
1116 uint32_t cfg_enable_npiv
;
1117 uint32_t cfg_enable_rrq
;
1118 uint32_t cfg_topology
;
1119 uint32_t cfg_link_speed
;
1120 #define LPFC_FCF_FOV 1 /* Fast fcf failover */
1121 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */
1122 uint32_t cfg_fcf_failover_policy
;
1123 uint32_t cfg_fcp_io_sched
;
1124 uint32_t cfg_ns_query
;
1125 uint32_t cfg_fcp2_no_tgt_reset
;
1126 uint32_t cfg_cr_delay
;
1127 uint32_t cfg_cr_count
;
1128 uint32_t cfg_multi_ring_support
;
1129 uint32_t cfg_multi_ring_rctl
;
1130 uint32_t cfg_multi_ring_type
;
1132 uint32_t cfg_poll_tmo
;
1133 uint32_t cfg_task_mgmt_tmo
;
1134 uint32_t cfg_use_msi
;
1135 uint32_t cfg_auto_imax
;
1136 uint32_t cfg_fcp_imax
;
1137 uint32_t cfg_force_rscn
;
1138 uint32_t cfg_cq_poll_threshold
;
1139 uint32_t cfg_cq_max_proc_limit
;
1140 uint32_t cfg_fcp_cpu_map
;
1141 uint32_t cfg_fcp_mq_threshold
;
1142 uint32_t cfg_hdw_queue
;
1143 uint32_t cfg_irq_chann
;
1144 uint32_t cfg_suppress_rsp
;
1145 uint32_t cfg_nvme_oas
;
1146 uint32_t cfg_nvme_embed_cmd
;
1147 uint32_t cfg_nvmet_mrq_post
;
1148 uint32_t cfg_nvmet_mrq
;
1149 uint32_t cfg_enable_nvmet
;
1150 uint32_t cfg_nvme_enable_fb
;
1151 uint32_t cfg_nvmet_fb_size
;
1152 uint32_t cfg_total_seg_cnt
;
1153 uint32_t cfg_sg_seg_cnt
;
1154 uint32_t cfg_nvme_seg_cnt
;
1155 uint32_t cfg_scsi_seg_cnt
;
1156 uint32_t cfg_sg_dma_buf_size
;
1157 uint32_t cfg_hba_queue_depth
;
1158 uint32_t cfg_enable_hba_reset
;
1159 uint32_t cfg_enable_hba_heartbeat
;
1161 uint32_t cfg_EnableXLane
;
1162 uint8_t cfg_oas_tgt_wwpn
[8];
1163 uint8_t cfg_oas_vpt_wwpn
[8];
1164 uint32_t cfg_oas_lun_state
;
1165 #define OAS_LUN_ENABLE 1
1166 #define OAS_LUN_DISABLE 0
1167 uint32_t cfg_oas_lun_status
;
1168 #define OAS_LUN_STATUS_EXISTS 0x01
1169 uint32_t cfg_oas_flags
;
1170 #define OAS_FIND_ANY_VPORT 0x01
1171 #define OAS_FIND_ANY_TARGET 0x02
1172 #define OAS_LUN_VALID 0x04
1173 uint32_t cfg_oas_priority
;
1174 uint32_t cfg_XLanePriority
;
1175 uint32_t cfg_enable_bg
;
1176 uint32_t cfg_prot_mask
;
1177 uint32_t cfg_prot_guard
;
1178 uint32_t cfg_hostmem_hgp
;
1179 uint32_t cfg_log_verbose
;
1180 uint32_t cfg_enable_fc4_type
;
1181 #define LPFC_ENABLE_FCP 1
1182 #define LPFC_ENABLE_NVME 2
1183 #define LPFC_ENABLE_BOTH 3
1184 #if (IS_ENABLED(CONFIG_NVME_FC))
1185 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH
1186 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH
1188 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP
1189 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP
1191 uint32_t cfg_aer_support
;
1192 uint32_t cfg_sriov_nr_virtfn
;
1193 uint32_t cfg_request_firmware_upgrade
;
1194 uint32_t cfg_suppress_link_up
;
1195 uint32_t cfg_rrq_xri_bitmap_sz
;
1196 u32 cfg_fcp_wait_abts_rsp
;
1197 uint32_t cfg_delay_discovery
;
1198 uint32_t cfg_sli_mode
;
1199 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
1200 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
1201 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
1202 uint32_t cfg_fdmi_on
;
1203 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */
1204 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */
1205 uint32_t cfg_enable_SmartSAN
;
1206 uint32_t cfg_enable_mds_diags
;
1207 uint32_t cfg_ras_fwlog_level
;
1208 uint32_t cfg_ras_fwlog_buffsize
;
1209 uint32_t cfg_ras_fwlog_func
;
1210 uint32_t cfg_enable_bbcr
; /* Enable BB Credit Recovery */
1211 uint32_t cfg_enable_dpp
; /* Enable Direct Packet Push */
1212 uint32_t cfg_enable_pbde
;
1213 uint32_t cfg_enable_mi
;
1214 struct nvmet_fc_target_port
*targetport
;
1215 lpfc_vpd_t vpd
; /* vital product data */
1217 u32 cfg_max_vmid
; /* maximum VMIDs allowed per port */
1218 u32 cfg_vmid_app_header
;
1219 #define LPFC_VMID_APP_HEADER_DISABLE 0
1220 #define LPFC_VMID_APP_HEADER_ENABLE 1
1221 u32 cfg_vmid_priority_tagging
;
1222 u32 cfg_vmid_inactivity_timeout
; /* Time after which the VMID */
1223 /* deregisters from switch */
1224 struct pci_dev
*pcidev
;
1225 struct list_head work_list
;
1226 uint32_t work_ha
; /* Host Attention Bits for WT */
1227 uint32_t work_ha_mask
; /* HA Bits owned by WT */
1228 uint32_t work_hs
; /* HS stored in case of ERRAT */
1229 uint32_t work_status
[2]; /* Extra status from SLIM */
1231 wait_queue_head_t work_waitq
;
1232 struct task_struct
*worker_thread
;
1233 unsigned long data_flags
;
1234 uint32_t border_sge_num
;
1236 uint32_t hbq_in_use
; /* HBQs in use flag */
1237 uint32_t hbq_count
; /* Count of configured HBQs */
1238 struct hbq_s hbqs
[LPFC_MAX_HBQS
]; /* local copy of hbq indicies */
1240 atomic_t fcp_qidx
; /* next FCP WQ (RR Policy) */
1241 atomic_t nvme_qidx
; /* next NVME WQ (RR Policy) */
1243 phys_addr_t pci_bar0_map
; /* Physical address for PCI BAR0 */
1244 phys_addr_t pci_bar1_map
; /* Physical address for PCI BAR1 */
1245 phys_addr_t pci_bar2_map
; /* Physical address for PCI BAR2 */
1246 void __iomem
*slim_memmap_p
; /* Kernel memory mapped address for
1248 void __iomem
*ctrl_regs_memmap_p
;/* Kernel memory mapped address for
1251 void __iomem
*pci_bar0_memmap_p
; /* Kernel memory mapped address for
1252 PCI BAR0 with dual-ULP support */
1253 void __iomem
*pci_bar2_memmap_p
; /* Kernel memory mapped address for
1254 PCI BAR2 with dual-ULP support */
1255 void __iomem
*pci_bar4_memmap_p
; /* Kernel memory mapped address for
1256 PCI BAR4 with dual-ULP support */
1257 #define PCI_64BIT_BAR0 0
1258 #define PCI_64BIT_BAR2 2
1259 #define PCI_64BIT_BAR4 4
1260 void __iomem
*MBslimaddr
; /* virtual address for mbox cmds */
1261 void __iomem
*HAregaddr
; /* virtual address for host attn reg */
1262 void __iomem
*CAregaddr
; /* virtual address for chip attn reg */
1263 void __iomem
*HSregaddr
; /* virtual address for host status
1265 void __iomem
*HCregaddr
; /* virtual address for host ctl reg */
1267 struct lpfc_hgp __iomem
*host_gp
; /* Host side get/put pointers */
1268 struct lpfc_pgp
*port_gp
;
1269 uint32_t __iomem
*hbq_put
; /* Address in SLIM to HBQ put ptrs */
1270 uint32_t *hbq_get
; /* Host mem address of HBQ get ptrs */
1272 int brd_no
; /* FC board number */
1273 char SerialNumber
[32]; /* adapter Serial Number */
1274 char OptionROMVersion
[32]; /* adapter BIOS / Fcode version */
1275 char BIOSVersion
[16]; /* Boot BIOS version */
1276 char ModelDesc
[256]; /* Model Description */
1277 char ModelName
[80]; /* Model Name */
1278 char ProgramType
[256]; /* Program Type */
1279 char Port
[20]; /* Port No */
1280 uint8_t vpd_flag
; /* VPD data flag */
1282 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
1283 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
1284 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
1285 #define VPD_PORT 0x8 /* valid vpd port data */
1286 #define VPD_MASK 0xf /* mask for any vpd data */
1289 struct timer_list fcp_poll_timer
;
1290 struct timer_list eratt_poll
;
1291 uint32_t eratt_poll_interval
;
1293 uint64_t bg_guard_err_cnt
;
1294 uint64_t bg_apptag_err_cnt
;
1295 uint64_t bg_reftag_err_cnt
;
1297 /* fastpath list. */
1298 spinlock_t scsi_buf_list_get_lock
; /* SCSI buf alloc list lock */
1299 spinlock_t scsi_buf_list_put_lock
; /* SCSI buf free list lock */
1300 struct list_head lpfc_scsi_buf_list_get
;
1301 struct list_head lpfc_scsi_buf_list_put
;
1302 uint32_t total_scsi_bufs
;
1303 struct list_head lpfc_iocb_list
;
1304 uint32_t total_iocbq_bufs
;
1305 struct list_head active_rrq_list
;
1307 struct work_struct unblock_request_work
; /* SCSI layer unblock IOs */
1310 struct dma_pool
*lpfc_sg_dma_buf_pool
;
1311 struct dma_pool
*lpfc_mbuf_pool
;
1312 struct dma_pool
*lpfc_hrb_pool
; /* header receive buffer pool */
1313 struct dma_pool
*lpfc_drb_pool
; /* data receive buffer pool */
1314 struct dma_pool
*lpfc_nvmet_drb_pool
; /* data receive buffer pool */
1315 struct dma_pool
*lpfc_hbq_pool
; /* SLI3 hbq buffer pool */
1316 struct dma_pool
*lpfc_cmd_rsp_buf_pool
;
1317 struct lpfc_dma_pool lpfc_mbuf_safety_pool
;
1319 mempool_t
*mbox_mem_pool
;
1320 mempool_t
*nlp_mem_pool
;
1321 mempool_t
*rrq_pool
;
1322 mempool_t
*active_rrq_pool
;
1324 struct fc_host_statistics link_stats
;
1325 enum lpfc_irq_chann_mode irq_chann_mode
;
1326 enum intr_type_t intr_type
;
1328 #define LPFC_INTR_ERROR 0xFFFFFFFF
1329 struct list_head port_list
;
1330 spinlock_t port_list_lock
; /* lock for port_list mutations */
1331 struct lpfc_vport
*pport
; /* physical lpfc_vport pointer */
1332 uint16_t max_vpi
; /* Maximum virtual nports */
1333 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */
1334 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */
1335 uint16_t max_vports
; /*
1336 * For IOV HBAs max_vpi can change
1337 * after a reset. max_vports is max
1338 * number of vports present. This can
1339 * be greater than max_vpi.
1343 unsigned long *vpi_bmask
; /* vpi allocation table */
1346 struct list_head lpfc_vpi_blk_list
;
1348 /* Data structure used by fabric iocb scheduler */
1349 struct list_head fabric_iocb_list
;
1350 atomic_t fabric_iocb_count
;
1351 struct timer_list fabric_block_timer
;
1352 unsigned long bit_flags
;
1353 #define FABRIC_COMANDS_BLOCKED 0
1354 atomic_t num_rsrc_err
;
1355 atomic_t num_cmd_success
;
1356 unsigned long last_rsrc_error_time
;
1357 unsigned long last_ramp_down_time
;
1358 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1359 struct dentry
*hba_debugfs_root
;
1360 atomic_t debugfs_vport_count
;
1361 struct dentry
*debug_multixri_pools
;
1362 struct dentry
*debug_hbqinfo
;
1363 struct dentry
*debug_dumpHostSlim
;
1364 struct dentry
*debug_dumpHBASlim
;
1365 struct dentry
*debug_InjErrLBA
; /* LBA to inject errors at */
1366 struct dentry
*debug_InjErrNPortID
; /* NPortID to inject errors at */
1367 struct dentry
*debug_InjErrWWPN
; /* WWPN to inject errors at */
1368 struct dentry
*debug_writeGuard
; /* inject write guard_tag errors */
1369 struct dentry
*debug_writeApp
; /* inject write app_tag errors */
1370 struct dentry
*debug_writeRef
; /* inject write ref_tag errors */
1371 struct dentry
*debug_readGuard
; /* inject read guard_tag errors */
1372 struct dentry
*debug_readApp
; /* inject read app_tag errors */
1373 struct dentry
*debug_readRef
; /* inject read ref_tag errors */
1375 struct dentry
*debug_nvmeio_trc
;
1376 struct lpfc_debugfs_nvmeio_trc
*nvmeio_trc
;
1377 struct dentry
*debug_hdwqinfo
;
1378 #ifdef LPFC_HDWQ_LOCK_STAT
1379 struct dentry
*debug_lockstat
;
1381 struct dentry
*debug_cgn_buffer
;
1382 struct dentry
*debug_rx_monitor
;
1383 struct dentry
*debug_ras_log
;
1384 atomic_t nvmeio_trc_cnt
;
1385 uint32_t nvmeio_trc_size
;
1386 uint32_t nvmeio_trc_output_idx
;
1388 /* T10 DIF error injection */
1389 uint32_t lpfc_injerr_wgrd_cnt
;
1390 uint32_t lpfc_injerr_wapp_cnt
;
1391 uint32_t lpfc_injerr_wref_cnt
;
1392 uint32_t lpfc_injerr_rgrd_cnt
;
1393 uint32_t lpfc_injerr_rapp_cnt
;
1394 uint32_t lpfc_injerr_rref_cnt
;
1395 uint32_t lpfc_injerr_nportid
;
1396 struct lpfc_name lpfc_injerr_wwpn
;
1397 sector_t lpfc_injerr_lba
;
1398 #define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1400 struct dentry
*debug_slow_ring_trc
;
1401 struct lpfc_debugfs_trc
*slow_ring_trc
;
1402 atomic_t slow_ring_trc_cnt
;
1403 /* iDiag debugfs sub-directory */
1404 struct dentry
*idiag_root
;
1405 struct dentry
*idiag_pci_cfg
;
1406 struct dentry
*idiag_bar_acc
;
1407 struct dentry
*idiag_que_info
;
1408 struct dentry
*idiag_que_acc
;
1409 struct dentry
*idiag_drb_acc
;
1410 struct dentry
*idiag_ctl_acc
;
1411 struct dentry
*idiag_mbx_acc
;
1412 struct dentry
*idiag_ext_acc
;
1413 uint8_t lpfc_idiag_last_eq
;
1415 uint16_t nvmeio_trc_on
;
1417 /* Used for deferred freeing of ELS data buffers */
1418 struct list_head elsbuf
;
1420 int elsbuf_prev_cnt
;
1422 uint8_t temp_sensor_support
;
1423 /* Fields used for heart beat. */
1424 unsigned long last_completion_time
;
1425 unsigned long skipped_hb
;
1426 struct timer_list hb_tmofunc
;
1427 struct timer_list rrq_tmr
;
1428 enum hba_temp_state over_temp_state
;
1430 * Following bit will be set for all buffer tags which are not
1431 * associated with any HBQ.
1433 #define QUE_BUFTAG_BIT (1<<31)
1434 uint32_t buffer_tag_count
;
1435 int wait_4_mlo_maint_flg
;
1436 wait_queue_head_t wait_4_mlo_m_q
;
1437 /* data structure used for latency data collection */
1438 #define LPFC_NO_BUCKET 0
1439 #define LPFC_LINEAR_BUCKET 1
1440 #define LPFC_POWER2_BUCKET 2
1441 uint8_t bucket_type
;
1442 uint32_t bucket_base
;
1443 uint32_t bucket_step
;
1445 /* Maximum number of events that can be outstanding at any time*/
1446 #define LPFC_MAX_EVT_COUNT 512
1447 atomic_t fast_event_count
;
1448 uint32_t fcoe_eventtag
;
1449 uint32_t fcoe_eventtag_at_fcf_scan
;
1450 uint32_t fcoe_cvl_eventtag
;
1451 uint32_t fcoe_cvl_eventtag_attn
;
1452 struct lpfc_fcf fcf
;
1456 struct list_head fcf_conn_rec_list
;
1458 bool defer_flogi_acc_flag
;
1459 uint16_t defer_flogi_acc_rx_id
;
1460 uint16_t defer_flogi_acc_ox_id
;
1462 spinlock_t ct_ev_lock
; /* synchronize access to ct_ev_waiters */
1463 struct list_head ct_ev_waiters
;
1464 struct unsol_rcv_ct_ctx ct_ctx
[LPFC_CT_CTX_MAX
];
1466 struct timer_list inactive_vmid_poll
;
1469 struct lpfc_ras_fwlog ras_fwlog
;
1471 uint8_t menlo_flag
; /* menlo generic flags */
1472 #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
1476 spinlock_t devicelock
; /* lock for luns list */
1477 mempool_t
*device_data_mem_pool
;
1478 struct list_head luns
;
1479 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1480 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1481 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1482 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1483 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1484 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1485 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1486 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1487 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1488 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1490 uint16_t sfp_warning
;
1492 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1493 uint16_t hdwqstat_on
;
1494 #define LPFC_CHECK_OFF 0
1495 #define LPFC_CHECK_NVME_IO 1
1496 #define LPFC_CHECK_NVMET_IO 2
1497 #define LPFC_CHECK_SCSI_IO 4
1499 uint64_t ktime_data_samples
;
1500 uint64_t ktime_status_samples
;
1501 uint64_t ktime_last_cmd
;
1502 uint64_t ktime_seg1_total
;
1503 uint64_t ktime_seg1_min
;
1504 uint64_t ktime_seg1_max
;
1505 uint64_t ktime_seg2_total
;
1506 uint64_t ktime_seg2_min
;
1507 uint64_t ktime_seg2_max
;
1508 uint64_t ktime_seg3_total
;
1509 uint64_t ktime_seg3_min
;
1510 uint64_t ktime_seg3_max
;
1511 uint64_t ktime_seg4_total
;
1512 uint64_t ktime_seg4_min
;
1513 uint64_t ktime_seg4_max
;
1514 uint64_t ktime_seg5_total
;
1515 uint64_t ktime_seg5_min
;
1516 uint64_t ktime_seg5_max
;
1517 uint64_t ktime_seg6_total
;
1518 uint64_t ktime_seg6_min
;
1519 uint64_t ktime_seg6_max
;
1520 uint64_t ktime_seg7_total
;
1521 uint64_t ktime_seg7_min
;
1522 uint64_t ktime_seg7_max
;
1523 uint64_t ktime_seg8_total
;
1524 uint64_t ktime_seg8_min
;
1525 uint64_t ktime_seg8_max
;
1526 uint64_t ktime_seg9_total
;
1527 uint64_t ktime_seg9_min
;
1528 uint64_t ktime_seg9_max
;
1529 uint64_t ktime_seg10_total
;
1530 uint64_t ktime_seg10_min
;
1531 uint64_t ktime_seg10_max
;
1534 struct lpfc_cgn_stat __percpu
*cmf_stat
;
1535 uint32_t cmf_interval_rate
; /* timer interval limit in ms */
1536 uint32_t cmf_timer_cnt
;
1537 #define LPFC_CMF_INTERVAL 90
1538 uint64_t cmf_link_byte_count
;
1539 uint64_t cmf_max_line_rate
;
1540 uint64_t cmf_max_bytes_per_interval
;
1541 uint64_t cmf_last_sync_bw
;
1542 #define LPFC_CMF_BLK_SIZE 512
1543 struct hrtimer cmf_timer
;
1544 atomic_t cmf_bw_wait
;
1546 atomic_t cmf_stop_io
; /* To block request and stop IO's */
1547 uint32_t cmf_active_mode
;
1548 uint32_t cmf_info_per_interval
;
1549 #define LPFC_MAX_CMF_INFO 32
1550 struct timespec64 cmf_latency
; /* Interval congestion timestamp */
1551 uint32_t cmf_last_ts
; /* Interval congestion time (ms) */
1552 uint32_t cmf_active_info
;
1554 /* Signal / FPIN handling for Congestion Mgmt */
1555 u8 cgn_reg_fpin
; /* Negotiated value from RDF */
1556 u8 cgn_init_reg_fpin
; /* Initial value from READ_CONFIG */
1557 #define LPFC_CGN_FPIN_NONE 0x0
1558 #define LPFC_CGN_FPIN_WARN 0x1
1559 #define LPFC_CGN_FPIN_ALARM 0x2
1560 #define LPFC_CGN_FPIN_BOTH (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM)
1562 u8 cgn_reg_signal
; /* Negotiated value from EDC */
1563 u8 cgn_init_reg_signal
; /* Initial value from READ_CONFIG */
1564 /* cgn_reg_signal and cgn_init_reg_signal use
1565 * enum fc_edc_cg_signal_cap_types
1567 u16 cgn_fpin_frequency
;
1568 #define LPFC_FPIN_INIT_FREQ 0xffff
1572 /* RX monitor handling for CMF */
1573 struct rxtable_entry
*rxtable
; /* RX_monitor information */
1574 atomic_t rxtable_idx_head
;
1575 #define LPFC_RXMONITOR_TABLE_IN_USE (LPFC_MAX_RXMONITOR_ENTRY + 73)
1576 atomic_t rxtable_idx_tail
;
1577 atomic_t rx_max_read_cnt
; /* Maximum read bytes */
1578 uint64_t rx_block_cnt
;
1580 /* Congestion parameters from flash */
1581 struct lpfc_cgn_param cgn_p
;
1583 /* Statistics counter for ACQE cgn alarms and warnings */
1584 struct lpfc_cgn_acqe_stat cgn_acqe_stat
;
1586 /* Congestion buffer information */
1587 struct lpfc_dmabuf
*cgn_i
; /* Congestion Info buffer */
1588 atomic_t cgn_fabric_warn_cnt
; /* Total warning cgn events for info */
1589 atomic_t cgn_fabric_alarm_cnt
; /* Total alarm cgn events for info */
1590 atomic_t cgn_sync_warn_cnt
; /* Total warning events for SYNC wqe */
1591 atomic_t cgn_sync_alarm_cnt
; /* Total alarm events for SYNC wqe */
1592 atomic_t cgn_driver_evt_cnt
; /* Total driver cgn events for fmw */
1593 atomic_t cgn_latency_evt_cnt
;
1594 struct timespec64 cgn_daily_ts
;
1595 atomic64_t cgn_latency_evt
; /* Avg latency per minute */
1596 unsigned long cgn_evt_timestamp
;
1597 #define LPFC_CGN_TIMER_TO_MIN 60000 /* ms in a minute */
1598 uint32_t cgn_evt_minute
;
1599 #define LPFC_SEC_MIN 60
1600 #define LPFC_MIN_HOUR 60
1601 #define LPFC_HOUR_DAY 24
1602 #define LPFC_MIN_DAY (LPFC_MIN_HOUR * LPFC_HOUR_DAY)
1604 struct hlist_node cpuhp
; /* used for cpuhp per hba callback */
1605 struct timer_list cpuhp_poll_timer
;
1606 struct list_head poll_list
; /* slowpath eq polling list */
1607 #define LPFC_POLL_HB 1 /* slowpath heartbeat */
1608 #define LPFC_POLL_FASTPATH 0 /* called from fastpath */
1609 #define LPFC_POLL_SLOWPATH 1 /* called from slowpath */
1611 char os_host_name
[MAXHOSTNAMELEN
];
1613 /* SCSI host template information - for physical port */
1614 struct scsi_host_template port_template
;
1615 /* SCSI host template information - for all vports */
1616 struct scsi_host_template vport_template
;
1617 atomic_t dbg_log_idx
;
1618 atomic_t dbg_log_cnt
;
1619 atomic_t dbg_log_dmping
;
1620 struct dbg_log_ent dbg_log
[DBG_LOG_SZ
];
1623 #define LPFC_MAX_RXMONITOR_ENTRY 800
1624 #define LPFC_MAX_RXMONITOR_DUMP 32
1625 struct rxtable_entry
{
1626 uint64_t cmf_bytes
; /* Total no of read bytes for CMF_SYNC_WQE */
1627 uint64_t total_bytes
; /* Total no of read bytes requested */
1628 uint64_t rcv_bytes
; /* Total no of read bytes completed */
1629 uint64_t avg_io_size
;
1630 uint64_t avg_io_latency
;/* Average io latency in microseconds */
1631 uint64_t max_read_cnt
; /* Maximum read bytes */
1632 uint64_t max_bytes_per_interval
;
1634 uint32_t cmf_info
; /* CMF_SYNC_WQE info */
1636 uint32_t timer_utilization
;
1637 uint32_t timer_interval
;
1640 static inline struct Scsi_Host
*
1641 lpfc_shost_from_vport(struct lpfc_vport
*vport
)
1643 return container_of((void *) vport
, struct Scsi_Host
, hostdata
[0]);
1647 lpfc_set_loopback_flag(struct lpfc_hba
*phba
)
1649 if (phba
->cfg_topology
== FLAGS_LOCAL_LB
)
1650 phba
->link_flag
|= LS_LOOPBACK_MODE
;
1652 phba
->link_flag
&= ~LS_LOOPBACK_MODE
;
1656 lpfc_is_link_up(struct lpfc_hba
*phba
)
1658 return phba
->link_state
== LPFC_LINK_UP
||
1659 phba
->link_state
== LPFC_CLEAR_LA
||
1660 phba
->link_state
== LPFC_HBA_READY
;
1664 lpfc_worker_wake_up(struct lpfc_hba
*phba
)
1666 /* Set the lpfc data pending flag */
1667 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
1669 /* Wake up worker thread */
1670 wake_up(&phba
->work_waitq
);
1675 lpfc_readl(void __iomem
*addr
, uint32_t *data
)
1679 if (temp
== 0xffffffff)
1686 lpfc_sli_read_hs(struct lpfc_hba
*phba
)
1689 * There was a link/board error. Read the status register to retrieve
1690 * the error event and process it.
1692 phba
->sli
.slistat
.err_attn_event
++;
1694 /* Save status info and check for unplug error */
1695 if (lpfc_readl(phba
->HSregaddr
, &phba
->work_hs
) ||
1696 lpfc_readl(phba
->MBslimaddr
+ 0xa8, &phba
->work_status
[0]) ||
1697 lpfc_readl(phba
->MBslimaddr
+ 0xac, &phba
->work_status
[1])) {
1701 /* Clear chip Host Attention error bit */
1702 writel(HA_ERATT
, phba
->HAregaddr
);
1703 readl(phba
->HAregaddr
); /* flush */
1704 phba
->pport
->stopped
= 1;
1709 static inline struct lpfc_sli_ring
*
1710 lpfc_phba_elsring(struct lpfc_hba
*phba
)
1712 /* Return NULL if sli_rev has become invalid due to bad fw */
1713 if (phba
->sli_rev
!= LPFC_SLI_REV4
&&
1714 phba
->sli_rev
!= LPFC_SLI_REV3
&&
1715 phba
->sli_rev
!= LPFC_SLI_REV2
)
1718 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
1719 if (phba
->sli4_hba
.els_wq
)
1720 return phba
->sli4_hba
.els_wq
->pring
;
1724 return &phba
->sli
.sli3_ring
[LPFC_ELS_RING
];
1728 * lpfc_next_online_cpu - Finds next online CPU on cpumask
1729 * @mask: Pointer to phba's cpumask member.
1730 * @start: starting cpu index
1732 * Note: If no valid cpu found, then nr_cpu_ids is returned.
1735 static inline unsigned int
1736 lpfc_next_online_cpu(const struct cpumask
*mask
, unsigned int start
)
1738 unsigned int cpu_it
;
1740 for_each_cpu_wrap(cpu_it
, mask
, start
) {
1741 if (cpu_online(cpu_it
))
1748 * lpfc_sli4_mod_hba_eq_delay - update EQ delay
1749 * @phba: Pointer to HBA context object.
1750 * @q: The Event Queue to update.
1751 * @delay: The delay value (in us) to be written.
1755 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
,
1758 struct lpfc_register reg_data
;
1761 bf_set(lpfc_sliport_eqdelay_id
, ®_data
, eq
->queue_id
);
1762 bf_set(lpfc_sliport_eqdelay_delay
, ®_data
, delay
);
1763 writel(reg_data
.word0
, phba
->sli4_hba
.u
.if_type2
.EQDregaddr
);
1769 * Macro that declares tables and a routine to perform enum type to
1770 * ascii string lookup.
1772 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for
1773 * the enum to populate the table. Macro defines a routine (named
1774 * by caller) that will search all elements of the table for the key
1775 * and return the name string if found or "Unrecognized" if not found.
1777 #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \
1779 enum enum_name value; \
1781 } fc_##enum_name##_e2str_names[] = enum_init; \
1782 static const char *routine(enum enum_name table_key) \
1785 char *name = "Unrecognized"; \
1787 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\
1788 if (fc_##enum_name##_e2str_names[i].value == table_key) {\
1789 name = fc_##enum_name##_e2str_names[i].name; \
1797 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
1798 * @phba: Pointer to HBA context object.
1800 * Relationship between the enable, target support and if vmid tag is required
1801 * for the particular combination
1802 * ---------------------------------------------------
1803 * Switch Enable Flag Target Support VMID Needed
1804 * ---------------------------------------------------
1812 ---------------------------------------------------
1815 static inline int lpfc_is_vmid_enabled(struct lpfc_hba
*phba
)
1817 return phba
->cfg_vmid_app_header
|| phba
->cfg_vmid_priority_tagging
;
1821 u8
get_job_ulpstatus(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1823 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1824 return bf_get(lpfc_wcqe_c_status
, &iocbq
->wcqe_cmpl
);
1826 return iocbq
->iocb
.ulpStatus
;
1830 u32
get_job_word4(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1832 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1833 return iocbq
->wcqe_cmpl
.parameter
;
1835 return iocbq
->iocb
.un
.ulpWord
[4];
1839 u8
get_job_cmnd(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1841 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1842 return bf_get(wqe_cmnd
, &iocbq
->wqe
.generic
.wqe_com
);
1844 return iocbq
->iocb
.ulpCommand
;
1848 u16
get_job_ulpcontext(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1850 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1851 return bf_get(wqe_ctxt_tag
, &iocbq
->wqe
.generic
.wqe_com
);
1853 return iocbq
->iocb
.ulpContext
;
1857 u16
get_job_rcvoxid(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1859 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1860 return bf_get(wqe_rcvoxid
, &iocbq
->wqe
.generic
.wqe_com
);
1862 return iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
;
1866 u32
get_job_data_placed(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1868 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1869 return iocbq
->wcqe_cmpl
.total_data_placed
;
1871 return iocbq
->iocb
.un
.genreq64
.bdl
.bdeSize
;
1875 u32
get_job_abtsiotag(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1877 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1878 return iocbq
->wqe
.abort_cmd
.wqe_com
.abort_tag
;
1880 return iocbq
->iocb
.un
.acxri
.abortIoTag
;
1884 u32
get_job_els_rsp64_did(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1886 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1887 return bf_get(wqe_els_did
, &iocbq
->wqe
.els_req
.wqe_dest
);
1889 return iocbq
->iocb
.un
.elsreq64
.remoteID
;