1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2021 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/ktime.h>
26 #include <linux/workqueue.h>
28 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
29 #define CONFIG_SCSI_LPFC_DEBUG_FS
32 struct lpfc_sli2_slim;
34 #define ELX_MODEL_NAME_SIZE 80
36 #define LPFC_PCI_DEV_LP 0x1
37 #define LPFC_PCI_DEV_OC 0x2
39 #define LPFC_SLI_REV2 2
40 #define LPFC_SLI_REV3 3
41 #define LPFC_SLI_REV4 4
43 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */
44 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
46 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
47 the NameServer before giving up. */
48 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
49 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
50 #define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
51 cmnd for menlo needs nearly twice as for firmware
52 downloads using bsg */
54 #define LPFC_DEFAULT_XPSGL_SIZE 256
55 #define LPFC_MAX_SG_TABLESIZE 0xffff
56 #define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */
57 #define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */
58 #define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */
59 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
60 #define LPFC_MIN_SG_SEG_CNT 32 /* sg element count per scsi cmnd */
61 #define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */
62 #define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */
63 #define LPFC_MAX_NVME_SEG_CNT 256 /* max SGL element cnt per NVME cmnd */
65 #define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */
66 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
67 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
68 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */
69 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
70 #define LPFC_MIN_TGT_QDEPTH 10
71 #define LPFC_MAX_TGT_QDEPTH 0xFFFF
73 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
76 * Following time intervals are used of adjusting SCSI device
77 * queue depths when there are driver resource error or Firmware
81 #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))
83 /* Number of exchanges reserved for discovery to complete */
84 #define LPFC_DISC_IOCB_BUFF_COUNT 20
86 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
87 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
89 /* Error Attention event polling interval */
90 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
92 /* Define macros for 64 bit support */
93 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
94 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
95 #define getPaddr(high, low) ((dma_addr_t)( \
96 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
97 /* Provide maximum configuration definitions. */
98 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
99 #define FC_MAX_ADPTMSG 64
101 #define MAX_HBAEVT 32
102 #define MAX_HBAS_NO_RESET 16
104 /* Number of MSI-X vectors the driver uses */
105 #define LPFC_MSIX_VECTORS 2
107 /* lpfc wait event data ready flag */
108 #define LPFC_DATA_READY 0 /* bit 0 */
110 /* queue dump line buffer size */
111 #define LPFC_LBUF_SZ 128
113 /* mailbox system shutdown options */
114 #define LPFC_MBX_NO_WAIT 0
115 #define LPFC_MBX_WAIT 1
117 enum lpfc_polling_flags {
118 ENABLE_FCP_RING_POLLING = 0x1,
119 DISABLE_FCP_RING_INT = 0x2
123 uint16_t cmd_cpu[40];
124 uint16_t rsp_cpu[40];
130 * Provide for FC4 TYPE x28 - NVME. The
131 * bit mask for FCP and NVME is 0x8 identically
132 * because they are 32 bit positions distance.
134 #define LPFC_FC4_TYPE_BITMASK 0x00000100
136 /* Provide DMA memory definitions the driver uses per port instance. */
138 struct list_head list;
139 void *virt; /* virtual address ptr */
140 dma_addr_t phys; /* mapped address */
141 uint32_t buffer_tag; /* used for tagged queue ring */
144 struct lpfc_nvmet_ctxbuf {
145 struct list_head list;
146 struct lpfc_async_xchg_ctx *context;
147 struct lpfc_iocbq *iocbq;
148 struct lpfc_sglq *sglq;
149 struct work_struct defer_work;
152 struct lpfc_dma_pool {
153 struct lpfc_dmabuf *elements;
155 uint32_t current_count;
159 struct lpfc_dmabuf hbuf;
160 struct lpfc_dmabuf dbuf;
164 struct lpfc_cq_event cq_event;
165 unsigned long time_stamp;
170 struct lpfc_dmabuf hbuf;
171 struct lpfc_dmabuf dbuf;
175 struct lpfc_queue *hrq; /* ptr to associated Header RQ */
176 struct lpfc_queue *drq; /* ptr to associated Data RQ */
179 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
180 #define MEM_PRI 0x100
183 /****************************************************************************/
184 /* Device VPD save area */
185 /****************************************************************************/
186 typedef struct lpfc_vpd {
187 uint32_t status; /* vpd status value */
188 uint32_t length; /* number of bytes actually returned */
190 uint32_t rsvd1; /* Revision numbers */
198 uint8_t feaLevelHigh;
200 uint32_t postKernRev;
202 uint8_t opFwName[16];
204 uint8_t sli1FwName[16];
206 uint8_t sli2FwName[16];
209 #ifdef __BIG_ENDIAN_BITFIELD
210 uint32_t rsvd3 :20; /* Reserved */
211 uint32_t rsvd2 : 3; /* Reserved */
212 uint32_t cbg : 1; /* Configure BlockGuard */
213 uint32_t cmv : 1; /* Configure Max VPIs */
214 uint32_t ccrp : 1; /* Config Command Ring Polling */
215 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
216 uint32_t chbs : 1; /* Cofigure Host Backing store */
217 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
218 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
219 uint32_t cmx : 1; /* Configure Max XRIs */
220 uint32_t cmr : 1; /* Configure Max RPIs */
221 #else /* __LITTLE_ENDIAN */
222 uint32_t cmr : 1; /* Configure Max RPIs */
223 uint32_t cmx : 1; /* Configure Max XRIs */
224 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
225 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
226 uint32_t chbs : 1; /* Cofigure Host Backing store */
227 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
228 uint32_t ccrp : 1; /* Config Command Ring Polling */
229 uint32_t cmv : 1; /* Configure Max VPIs */
230 uint32_t cbg : 1; /* Configure BlockGuard */
231 uint32_t rsvd2 : 3; /* Reserved */
232 uint32_t rsvd3 :20; /* Reserved */
242 /* Statistics for ELS commands */
244 uint32_t elsRetryExceeded;
245 uint32_t elsXmitRetry;
246 uint32_t elsDelayRetry;
248 uint32_t elsRcvFrame;
252 uint32_t elsRcvFARPR;
253 uint32_t elsRcvFLOGI;
254 uint32_t elsRcvPLOGI;
255 uint32_t elsRcvADISC;
256 uint32_t elsRcvPDISC;
270 uint32_t elsXmitFLOGI;
271 uint32_t elsXmitFDISC;
272 uint32_t elsXmitPLOGI;
273 uint32_t elsXmitPRLI;
274 uint32_t elsXmitADISC;
275 uint32_t elsXmitLOGO;
277 uint32_t elsXmitRSCN;
278 uint32_t elsXmitRNID;
279 uint32_t elsXmitFARP;
280 uint32_t elsXmitFARPR;
282 uint32_t elsXmitLSRJT;
284 uint32_t frameRcvBcast;
285 uint32_t frameRcvMulti;
286 uint32_t strayXmitCmpl;
287 uint32_t frameXmitDelay;
292 uint32_t LinkMultiEvent;
297 uint32_t fcpRemoteStop;
299 uint32_t fcpPortBusy;
301 uint32_t fcpLocalErr;
307 #define LPFC_VMID_TIMER 300 /* timer interval in seconds */
309 #define LPFC_MAX_VMID_SIZE 256
310 #define LPFC_COMPRESS_VMID_SIZE 16
312 union lpfc_vmid_io_tag {
313 u32 app_id; /* App Id vmid */
314 u8 cs_ctl_vmid; /* Priority tag vmid */
317 #define JIFFIES_PER_HR (HZ * 60 * 60)
321 #define LPFC_VMID_SLOT_FREE 0x0
322 #define LPFC_VMID_SLOT_USED 0x1
323 #define LPFC_VMID_REQ_REGISTER 0x2
324 #define LPFC_VMID_REGISTERED 0x4
325 #define LPFC_VMID_DE_REGISTER 0x8
326 char host_vmid[LPFC_MAX_VMID_SIZE];
327 union lpfc_vmid_io_tag un;
328 struct hlist_node hnode;
332 u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */
334 u64 __percpu *last_io_time;
337 #define lpfc_vmid_is_type_priority_tag(vport)\
338 (vport->vmid_priority_tagging ? 1 : 0)
340 #define LPFC_VMID_HASH_SIZE 256
341 #define LPFC_VMID_HASH_MASK 255
342 #define LPFC_VMID_HASH_SHIFT 6
344 struct lpfc_vmid_context {
345 struct lpfc_vmid *vmp;
346 struct lpfc_nodelist *nlp;
350 struct lpfc_vmid_priority_range {
356 struct lpfc_vmid_priority_info {
358 struct lpfc_vmid_priority_range *vmid_range;
361 #define QFPA_EVEN_ONLY 0x01
362 #define QFPA_ODD_ONLY 0x02
363 #define QFPA_EVEN_ODD 0x03
365 enum discovery_state {
366 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
367 LPFC_VPORT_FAILED = 1, /* vport has failed */
368 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
369 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
370 LPFC_FDISC = 8, /* FDISC sent for vport */
371 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
373 LPFC_NS_REG = 10, /* Register with NameServer */
374 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
375 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
376 * device authentication / discovery */
377 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
378 LPFC_VPORT_READY = 32,
382 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
383 LPFC_WARM_START = 1, /* HBA state after selective reset */
384 LPFC_INIT_START = 2, /* Initial state after board reset */
385 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
386 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
387 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
388 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
394 struct lpfc_trunk_link_state {
395 enum hba_state state;
399 struct lpfc_trunk_link {
400 struct lpfc_trunk_link_state link0,
407 struct lpfc_hba *phba;
408 struct list_head listentry;
410 #define LPFC_PHYSICAL_PORT 1
411 #define LPFC_NPIV_PORT 2
412 #define LPFC_FABRIC_PORT 3
413 enum discovery_state port_state;
418 #define LPFC_VPI_REGISTERED 0x1
420 uint32_t fc_flag; /* FC flags */
421 /* Several of these flags are HBA centric and should be moved to
422 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
424 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
425 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
426 #define FC_DISC_TMO 0x4 /* Discovery timer running */
427 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
428 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
429 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
430 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
431 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
432 #define FC_FABRIC 0x100 /* We are fabric attached */
433 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
434 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
435 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
436 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
437 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
438 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
439 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
440 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
441 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
442 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
443 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
444 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
445 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
446 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */
449 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
450 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
451 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
452 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
453 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
455 struct list_head fc_nodes;
457 /* Keep counters for the number of entries in each list. */
458 uint16_t fc_plogi_cnt;
459 uint16_t fc_adisc_cnt;
460 uint16_t fc_reglogin_cnt;
461 uint16_t fc_prli_cnt;
462 uint16_t fc_unmap_cnt;
465 uint16_t fc_unused_cnt;
466 struct serv_parm fc_sparam; /* buffer for our service parameters */
468 uint32_t fc_myDID; /* fibre channel S_ID */
469 uint32_t fc_prevDID; /* previous fibre channel S_ID */
470 struct lpfc_name fabric_portname;
471 struct lpfc_name fabric_nodename;
473 int32_t stopped; /* HBA has not been restarted since last ERATT */
474 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
476 uint32_t num_disc_nodes; /* in addition to hba_state */
477 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */
479 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
480 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
481 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
482 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
483 struct lpfc_name fc_nodename; /* fc nodename */
484 struct lpfc_name fc_portname; /* fc portname */
486 struct lpfc_work_evt disc_timeout_evt;
488 struct timer_list fc_disctmo; /* Discovery rescue timer */
489 uint8_t fc_ns_retry; /* retries for fabric nameserver */
490 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
492 spinlock_t work_port_lock;
493 uint32_t work_port_events; /* Timeout to be handled */
494 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
495 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
496 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
498 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
499 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
500 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
501 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
502 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
503 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
504 #define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */
505 #define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs
508 struct timer_list els_tmofunc;
509 struct timer_list delayed_disc_tmo;
514 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
515 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
516 #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */
517 #define FC_ALLOW_VMID 0x8 /* Allow VMID I/Os */
518 #define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all VMIDs */
519 /* Vport Config Parameters */
520 uint32_t cfg_scan_down;
521 uint32_t cfg_lun_queue_depth;
522 uint32_t cfg_nodev_tmo;
523 uint32_t cfg_devloss_tmo;
524 uint32_t cfg_restrict_login;
525 uint32_t cfg_peer_port_login;
526 uint32_t cfg_fcp_class;
527 uint32_t cfg_use_adisc;
528 uint32_t cfg_discovery_threads;
529 uint32_t cfg_log_verbose;
530 uint32_t cfg_enable_fc4_type;
531 uint32_t cfg_max_luns;
532 uint32_t cfg_enable_da_id;
533 uint32_t cfg_max_scsicmpl_time;
534 uint32_t cfg_tgt_queue_depth;
535 uint32_t cfg_first_burst_size;
536 uint32_t dev_loss_tmo_changed;
537 /* VMID parameters */
538 u8 lpfc_vmid_host_uuid[LPFC_COMPRESS_VMID_SIZE];
539 u32 max_vmid; /* maximum VMIDs allowed per port */
540 u32 cur_vmid_cnt; /* Current VMID count */
541 #define LPFC_MIN_VMID 4
542 #define LPFC_MAX_VMID 255
543 u32 vmid_inactivity_timeout; /* Time after which the VMID */
544 /* deregisters from switch */
545 u32 vmid_priority_tagging;
546 #define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */
547 #define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */
548 #define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */
549 unsigned long *vmid_priority_range;
550 #define LPFC_VMID_MAX_PRIORITY_RANGE 256
551 #define LPFC_VMID_PRIORITY_BITMAP_SIZE 32
553 #define LPFC_VMID_IN_USE 0x1
554 #define LPFC_VMID_ISSUE_QFPA 0x2
555 #define LPFC_VMID_QFPA_CMPL 0x4
556 #define LPFC_VMID_QOS_ENABLED 0x8
557 #define LPFC_VMID_TIMER_ENBLD 0x10
558 struct fc_qfpa_res *qfpa_res;
560 struct fc_vport *fc_vport;
562 struct lpfc_vmid *vmid;
563 DECLARE_HASHTABLE(hash_table, 8);
565 struct lpfc_vmid_priority_info vmid_priority;
567 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
568 struct dentry *debug_disc_trc;
569 struct dentry *debug_nodelist;
570 struct dentry *debug_nvmestat;
571 struct dentry *debug_scsistat;
572 struct dentry *debug_ioktime;
573 struct dentry *debug_hdwqstat;
574 struct dentry *vport_debugfs_root;
575 struct lpfc_debugfs_trc *disc_trc;
576 atomic_t disc_trc_cnt;
578 uint8_t stat_data_enabled;
579 uint8_t stat_data_blocked;
580 struct list_head rcv_buffer_list;
581 unsigned long rcv_buffer_time_stamp;
583 #define STATIC_VPORT 1
585 #define FAWWPN_PARAM_CHG 4
587 uint16_t fdmi_num_disc;
588 uint32_t fdmi_hba_mask;
589 uint32_t fdmi_port_mask;
591 /* There is a single nvme instance per vport. */
592 struct nvme_fc_local_port *localport;
593 uint8_t nvmei_support; /* driver supports NVME Initiator */
594 uint32_t last_fcp_wqidx;
595 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */
599 uint16_t entry_count; /* Current number of HBQ slots */
600 uint16_t buffer_count; /* Current number of buffers posted */
601 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
602 uint32_t hbqPutIdx; /* HBQ slot to use */
603 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
604 void *hbq_virt; /* Virtual ptr to this hbq */
605 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
606 /* Callback for HBQ buffer allocation */
607 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
608 /* Callback for HBQ buffer free */
609 void (*hbq_free_buffer) (struct lpfc_hba *,
610 struct hbq_dmabuf *);
613 /* this matches the position in the lpfc_hbq_defs array */
614 #define LPFC_ELS_HBQ 0
615 #define LPFC_MAX_HBQS 1
617 enum hba_temp_state {
629 #define LPFC_CT_CTX_MAX 64
630 struct unsol_rcv_ct_ctx {
634 #define UNSOL_INVALID 0
635 #define UNSOL_VALID 1
640 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
641 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
642 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
643 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
644 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
645 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
646 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
647 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */
648 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */
649 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G
651 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
673 struct lpfc_mbox_ext_buf_ctx {
675 #define LPFC_BSG_MBOX_IDLE 0
676 #define LPFC_BSG_MBOX_HOST 1
677 #define LPFC_BSG_MBOX_PORT 2
678 #define LPFC_BSG_MBOX_DONE 3
679 #define LPFC_BSG_MBOX_ABTS 4
680 enum nemb_type nembType;
681 enum mbox_type mboxType;
685 struct lpfc_dmabuf *mbx_dmabuf;
686 struct list_head ext_dmabuf_list;
689 struct lpfc_epd_pool {
691 struct list_head list;
693 spinlock_t lock; /* lock for expedite pool */
702 struct lpfc_ras_fwlog {
704 uint32_t fw_buffcount; /* Buffer size posted to FW */
705 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */
706 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
707 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
708 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
709 uint32_t fw_loglevel; /* Log level set */
710 struct lpfc_dmabuf lwpd;
711 struct list_head fwlog_buff_list;
713 /* RAS support status on adapter */
714 bool ras_hwsupport; /* RAS Support available on HW or not */
715 bool ras_enabled; /* Ras Enabled for the function */
716 #define LPFC_RAS_DISABLE_LOGGING 0x00
717 #define LPFC_RAS_ENABLE_LOGGING 0x01
718 enum ras_state state; /* RAS logging running state */
721 #define DBG_LOG_STR_SZ 256
722 #define DBG_LOG_SZ 256
725 char log[DBG_LOG_STR_SZ];
729 enum lpfc_irq_chann_mode {
730 /* Assign IRQs to all possible cpus that have hardware queues */
733 /* Assign IRQs only to cpus on the same numa node as HBA */
736 /* Assign IRQs only on non-hyperthreaded CPUs. This is the
737 * same as normal_mode, but assign IRQS only on physical CPUs.
743 /* SCSI interface function jump table entries */
744 struct lpfc_io_buf * (*lpfc_get_scsi_buf)
745 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
746 struct scsi_cmnd *cmnd);
747 int (*lpfc_scsi_prep_dma_buf)
748 (struct lpfc_hba *, struct lpfc_io_buf *);
749 void (*lpfc_scsi_unprep_dma_buf)
750 (struct lpfc_hba *, struct lpfc_io_buf *);
751 void (*lpfc_release_scsi_buf)
752 (struct lpfc_hba *, struct lpfc_io_buf *);
753 void (*lpfc_rampdown_queue_depth)
755 void (*lpfc_scsi_prep_cmnd)
756 (struct lpfc_vport *, struct lpfc_io_buf *,
757 struct lpfc_nodelist *);
758 int (*lpfc_scsi_prep_cmnd_buf)
759 (struct lpfc_vport *vport,
760 struct lpfc_io_buf *lpfc_cmd,
763 /* IOCB interface function jump table entries */
764 int (*__lpfc_sli_issue_iocb)
765 (struct lpfc_hba *, uint32_t,
766 struct lpfc_iocbq *, uint32_t);
767 int (*__lpfc_sli_issue_fcp_io)
768 (struct lpfc_hba *phba, uint32_t ring_number,
769 struct lpfc_iocbq *piocb, uint32_t flag);
770 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
771 struct lpfc_iocbq *);
772 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
773 IOCB_t * (*lpfc_get_iocb_from_iocbq)
774 (struct lpfc_iocbq *);
775 void (*lpfc_scsi_cmd_iocb_cmpl)
776 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
778 /* MBOX interface function jump table entries */
779 int (*lpfc_sli_issue_mbox)
780 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
782 /* Slow-path IOCB process function jump table entries */
783 void (*lpfc_sli_handle_slow_ring_event)
784 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
787 /* INIT device interface function jump table entries */
788 int (*lpfc_sli_hbq_to_firmware)
789 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
790 int (*lpfc_sli_brdrestart)
792 int (*lpfc_sli_brdready)
793 (struct lpfc_hba *, uint32_t);
794 void (*lpfc_handle_eratt)
796 void (*lpfc_stop_port)
798 int (*lpfc_hba_init_link)
799 (struct lpfc_hba *, uint32_t);
800 int (*lpfc_hba_down_link)
801 (struct lpfc_hba *, uint32_t);
802 int (*lpfc_selective_reset)
805 int (*lpfc_bg_scsi_prep_dma_buf)
806 (struct lpfc_hba *, struct lpfc_io_buf *);
807 /* Add new entries here */
810 struct lpfc_epd_pool epd_pool;
812 /* SLI4 specific HBA data structure */
813 struct lpfc_sli4_hba sli4_hba;
815 struct workqueue_struct *wq;
816 struct delayed_work eq_delay_work;
818 #define LPFC_IDLE_STAT_DELAY 1000
819 struct delayed_work idle_stat_delay_work;
822 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
823 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
824 uint32_t sli3_options; /* Mask of enabled SLI3 options */
825 #define LPFC_SLI3_HBQ_ENABLED 0x01
826 #define LPFC_SLI3_NPIV_ENABLED 0x02
827 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
828 #define LPFC_SLI3_CRP_ENABLED 0x08
829 #define LPFC_SLI3_BG_ENABLED 0x20
830 #define LPFC_SLI3_DSS_ENABLED 0x40
831 #define LPFC_SLI4_PERFH_ENABLED 0x80
832 #define LPFC_SLI4_PHWQ_ENABLED 0x100
833 uint32_t iocb_cmd_size;
834 uint32_t iocb_rsp_size;
836 struct lpfc_trunk_link trunk_link;
837 enum hba_state link_state;
838 uint32_t link_flag; /* link state flags */
839 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
840 /* This flag is set while issuing */
841 /* INIT_LINK mailbox command */
842 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
843 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
844 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */
845 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */
846 #define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */
848 uint32_t hba_flag; /* hba generic flags */
849 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
850 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */
851 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */
852 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
853 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
854 #define HBA_PERSISTENT_TOPO 0x20 /* Persistent topology support in hba */
855 #define ELS_XRI_ABORT_EVENT 0x40 /* ELS_XRI abort event was queued */
856 #define ASYNC_EVENT 0x80
857 #define LINK_DISABLED 0x100 /* Link disabled by user */
858 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
859 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
860 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
861 #define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */
862 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
863 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */
864 #define HBA_IOQ_FLUSH 0x8000 /* FCP/NVME I/O queues being flushed */
865 #define HBA_FW_DUMP_OP 0x10000 /* Skips fn reset before FW dump */
866 #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */
867 #define HBA_FORCED_LINK_SPEED 0x40000 /*
868 * Firmware supports Forced Link Speed
871 #define HBA_FLOGI_ISSUED 0x100000 /* FLOGI was issued */
872 #define HBA_DEFER_FLOGI 0x800000 /* Defer FLOGI till read_sparm cmpl */
873 #define HBA_NEEDS_CFG_PORT 0x2000000 /* SLI3 - needs a CONFIG_PORT mbox */
874 #define HBA_HBEAT_INP 0x4000000 /* mbox HBEAT is in progress */
875 #define HBA_HBEAT_TMO 0x8000000 /* HBEAT initiated after timeout */
876 #define HBA_FLOGI_OUTSTANDING 0x10000000 /* FLOGI is outstanding */
878 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
879 struct lpfc_dmabuf slim2p;
883 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
888 struct lpfc_dmabuf hbqslimp;
890 uint16_t pci_cfg_value;
892 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
894 uint32_t fc_eventTag; /* event tag for link attention */
895 uint32_t link_events;
897 /* These fields used to be binfo */
898 uint32_t fc_pref_DID; /* preferred D_ID */
899 uint8_t fc_pref_ALPA; /* preferred AL_PA */
900 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
901 uint32_t fc_edtov; /* E_D_TOV timer value */
902 uint32_t fc_arbtov; /* ARB_TOV timer value */
903 uint32_t fc_ratov; /* R_A_TOV timer value */
904 uint32_t fc_rttov; /* R_T_TOV timer value */
905 uint32_t fc_altov; /* AL_TOV timer value */
906 uint32_t fc_crtov; /* C_R_TOV timer value */
908 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
909 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
913 uint32_t fc_topology; /* link topology, from LINK INIT */
914 uint32_t fc_topology_changed; /* link topology, from LINK INIT */
916 struct lpfc_stats fc_stat;
918 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
919 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
923 uint32_t RandomData[7];
924 uint8_t fcp_embed_io;
925 uint8_t nvme_support; /* Firmware supports NVME */
926 uint8_t nvmet_support; /* driver supports NVMET */
927 #define LPFC_NVMET_MAX_PORTS 32
928 uint8_t mds_diags_support;
929 uint8_t bbcredit_support;
930 uint8_t enab_exp_wqcq_pages;
931 u8 nsler; /* Firmware supports FC-NVMe-2 SLER */
933 /* HBA Config Parameters */
935 uint32_t cfg_xri_rebalancing;
937 uint32_t cfg_enable_npiv;
938 uint32_t cfg_enable_rrq;
939 uint32_t cfg_topology;
940 uint32_t cfg_link_speed;
941 #define LPFC_FCF_FOV 1 /* Fast fcf failover */
942 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */
943 uint32_t cfg_fcf_failover_policy;
944 uint32_t cfg_fcp_io_sched;
945 uint32_t cfg_ns_query;
946 uint32_t cfg_fcp2_no_tgt_reset;
947 uint32_t cfg_cr_delay;
948 uint32_t cfg_cr_count;
949 uint32_t cfg_multi_ring_support;
950 uint32_t cfg_multi_ring_rctl;
951 uint32_t cfg_multi_ring_type;
953 uint32_t cfg_poll_tmo;
954 uint32_t cfg_task_mgmt_tmo;
955 uint32_t cfg_use_msi;
956 uint32_t cfg_auto_imax;
957 uint32_t cfg_fcp_imax;
958 uint32_t cfg_force_rscn;
959 uint32_t cfg_cq_poll_threshold;
960 uint32_t cfg_cq_max_proc_limit;
961 uint32_t cfg_fcp_cpu_map;
962 uint32_t cfg_fcp_mq_threshold;
963 uint32_t cfg_hdw_queue;
964 uint32_t cfg_irq_chann;
965 uint32_t cfg_suppress_rsp;
966 uint32_t cfg_nvme_oas;
967 uint32_t cfg_nvme_embed_cmd;
968 uint32_t cfg_nvmet_mrq_post;
969 uint32_t cfg_nvmet_mrq;
970 uint32_t cfg_enable_nvmet;
971 uint32_t cfg_nvme_enable_fb;
972 uint32_t cfg_nvmet_fb_size;
973 uint32_t cfg_total_seg_cnt;
974 uint32_t cfg_sg_seg_cnt;
975 uint32_t cfg_nvme_seg_cnt;
976 uint32_t cfg_scsi_seg_cnt;
977 uint32_t cfg_sg_dma_buf_size;
978 uint64_t cfg_soft_wwnn;
979 uint64_t cfg_soft_wwpn;
980 uint32_t cfg_hba_queue_depth;
981 uint32_t cfg_enable_hba_reset;
982 uint32_t cfg_enable_hba_heartbeat;
984 uint32_t cfg_EnableXLane;
985 uint8_t cfg_oas_tgt_wwpn[8];
986 uint8_t cfg_oas_vpt_wwpn[8];
987 uint32_t cfg_oas_lun_state;
988 #define OAS_LUN_ENABLE 1
989 #define OAS_LUN_DISABLE 0
990 uint32_t cfg_oas_lun_status;
991 #define OAS_LUN_STATUS_EXISTS 0x01
992 uint32_t cfg_oas_flags;
993 #define OAS_FIND_ANY_VPORT 0x01
994 #define OAS_FIND_ANY_TARGET 0x02
995 #define OAS_LUN_VALID 0x04
996 uint32_t cfg_oas_priority;
997 uint32_t cfg_XLanePriority;
998 uint32_t cfg_enable_bg;
999 uint32_t cfg_prot_mask;
1000 uint32_t cfg_prot_guard;
1001 uint32_t cfg_hostmem_hgp;
1002 uint32_t cfg_log_verbose;
1003 uint32_t cfg_enable_fc4_type;
1004 uint32_t cfg_aer_support;
1005 uint32_t cfg_sriov_nr_virtfn;
1006 uint32_t cfg_request_firmware_upgrade;
1007 uint32_t cfg_suppress_link_up;
1008 uint32_t cfg_rrq_xri_bitmap_sz;
1009 u32 cfg_fcp_wait_abts_rsp;
1010 uint32_t cfg_delay_discovery;
1011 uint32_t cfg_sli_mode;
1012 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
1013 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
1014 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
1015 uint32_t cfg_fdmi_on;
1016 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */
1017 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */
1018 uint32_t cfg_enable_SmartSAN;
1019 uint32_t cfg_enable_mds_diags;
1020 uint32_t cfg_ras_fwlog_level;
1021 uint32_t cfg_ras_fwlog_buffsize;
1022 uint32_t cfg_ras_fwlog_func;
1023 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */
1024 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */
1025 #define LPFC_ENABLE_FCP 1
1026 #define LPFC_ENABLE_NVME 2
1027 #define LPFC_ENABLE_BOTH 3
1028 uint32_t cfg_enable_pbde;
1029 uint32_t cfg_enable_mi;
1030 struct nvmet_fc_target_port *targetport;
1031 lpfc_vpd_t vpd; /* vital product data */
1033 u32 cfg_max_vmid; /* maximum VMIDs allowed per port */
1034 u32 cfg_vmid_app_header;
1035 #define LPFC_VMID_APP_HEADER_DISABLE 0
1036 #define LPFC_VMID_APP_HEADER_ENABLE 1
1037 u32 cfg_vmid_priority_tagging;
1038 u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */
1039 /* deregisters from switch */
1040 struct pci_dev *pcidev;
1041 struct list_head work_list;
1042 uint32_t work_ha; /* Host Attention Bits for WT */
1043 uint32_t work_ha_mask; /* HA Bits owned by WT */
1044 uint32_t work_hs; /* HS stored in case of ERRAT */
1045 uint32_t work_status[2]; /* Extra status from SLIM */
1047 wait_queue_head_t work_waitq;
1048 struct task_struct *worker_thread;
1049 unsigned long data_flags;
1050 uint32_t border_sge_num;
1052 uint32_t hbq_in_use; /* HBQs in use flag */
1053 uint32_t hbq_count; /* Count of configured HBQs */
1054 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
1056 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */
1057 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */
1059 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */
1060 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */
1061 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */
1062 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
1064 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
1067 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
1068 PCI BAR0 with dual-ULP support */
1069 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
1070 PCI BAR2 with dual-ULP support */
1071 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
1072 PCI BAR4 with dual-ULP support */
1073 #define PCI_64BIT_BAR0 0
1074 #define PCI_64BIT_BAR2 2
1075 #define PCI_64BIT_BAR4 4
1076 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
1077 void __iomem *HAregaddr; /* virtual address for host attn reg */
1078 void __iomem *CAregaddr; /* virtual address for chip attn reg */
1079 void __iomem *HSregaddr; /* virtual address for host status
1081 void __iomem *HCregaddr; /* virtual address for host ctl reg */
1083 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
1084 struct lpfc_pgp *port_gp;
1085 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
1086 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
1088 int brd_no; /* FC board number */
1089 char SerialNumber[32]; /* adapter Serial Number */
1090 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
1091 char BIOSVersion[16]; /* Boot BIOS version */
1092 char ModelDesc[256]; /* Model Description */
1093 char ModelName[80]; /* Model Name */
1094 char ProgramType[256]; /* Program Type */
1095 char Port[20]; /* Port No */
1096 uint8_t vpd_flag; /* VPD data flag */
1098 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
1099 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
1100 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
1101 #define VPD_PORT 0x8 /* valid vpd port data */
1102 #define VPD_MASK 0xf /* mask for any vpd data */
1104 uint8_t soft_wwn_enable;
1106 struct timer_list fcp_poll_timer;
1107 struct timer_list eratt_poll;
1108 uint32_t eratt_poll_interval;
1110 uint64_t bg_guard_err_cnt;
1111 uint64_t bg_apptag_err_cnt;
1112 uint64_t bg_reftag_err_cnt;
1114 /* fastpath list. */
1115 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */
1116 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */
1117 struct list_head lpfc_scsi_buf_list_get;
1118 struct list_head lpfc_scsi_buf_list_put;
1119 uint32_t total_scsi_bufs;
1120 struct list_head lpfc_iocb_list;
1121 uint32_t total_iocbq_bufs;
1122 struct list_head active_rrq_list;
1126 struct dma_pool *lpfc_sg_dma_buf_pool;
1127 struct dma_pool *lpfc_mbuf_pool;
1128 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
1129 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
1130 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
1131 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
1132 struct dma_pool *lpfc_cmd_rsp_buf_pool;
1133 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
1135 mempool_t *mbox_mem_pool;
1136 mempool_t *nlp_mem_pool;
1137 mempool_t *rrq_pool;
1138 mempool_t *active_rrq_pool;
1140 struct fc_host_statistics link_stats;
1141 enum lpfc_irq_chann_mode irq_chann_mode;
1142 enum intr_type_t intr_type;
1144 #define LPFC_INTR_ERROR 0xFFFFFFFF
1145 struct list_head port_list;
1146 spinlock_t port_list_lock; /* lock for port_list mutations */
1147 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
1148 uint16_t max_vpi; /* Maximum virtual nports */
1149 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */
1150 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */
1151 uint16_t max_vports; /*
1152 * For IOV HBAs max_vpi can change
1153 * after a reset. max_vports is max
1154 * number of vports present. This can
1155 * be greater than max_vpi.
1159 unsigned long *vpi_bmask; /* vpi allocation table */
1162 struct list_head lpfc_vpi_blk_list;
1164 /* Data structure used by fabric iocb scheduler */
1165 struct list_head fabric_iocb_list;
1166 atomic_t fabric_iocb_count;
1167 struct timer_list fabric_block_timer;
1168 unsigned long bit_flags;
1169 #define FABRIC_COMANDS_BLOCKED 0
1170 atomic_t num_rsrc_err;
1171 atomic_t num_cmd_success;
1172 unsigned long last_rsrc_error_time;
1173 unsigned long last_ramp_down_time;
1174 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1175 struct dentry *hba_debugfs_root;
1176 atomic_t debugfs_vport_count;
1177 struct dentry *debug_multixri_pools;
1178 struct dentry *debug_hbqinfo;
1179 struct dentry *debug_dumpHostSlim;
1180 struct dentry *debug_dumpHBASlim;
1181 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */
1182 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */
1183 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */
1184 struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1185 struct dentry *debug_writeApp; /* inject write app_tag errors */
1186 struct dentry *debug_writeRef; /* inject write ref_tag errors */
1187 struct dentry *debug_readGuard; /* inject read guard_tag errors */
1188 struct dentry *debug_readApp; /* inject read app_tag errors */
1189 struct dentry *debug_readRef; /* inject read ref_tag errors */
1191 struct dentry *debug_nvmeio_trc;
1192 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1193 struct dentry *debug_hdwqinfo;
1194 #ifdef LPFC_HDWQ_LOCK_STAT
1195 struct dentry *debug_lockstat;
1197 struct dentry *debug_ras_log;
1198 atomic_t nvmeio_trc_cnt;
1199 uint32_t nvmeio_trc_size;
1200 uint32_t nvmeio_trc_output_idx;
1202 /* T10 DIF error injection */
1203 uint32_t lpfc_injerr_wgrd_cnt;
1204 uint32_t lpfc_injerr_wapp_cnt;
1205 uint32_t lpfc_injerr_wref_cnt;
1206 uint32_t lpfc_injerr_rgrd_cnt;
1207 uint32_t lpfc_injerr_rapp_cnt;
1208 uint32_t lpfc_injerr_rref_cnt;
1209 uint32_t lpfc_injerr_nportid;
1210 struct lpfc_name lpfc_injerr_wwpn;
1211 sector_t lpfc_injerr_lba;
1212 #define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1214 struct dentry *debug_slow_ring_trc;
1215 struct lpfc_debugfs_trc *slow_ring_trc;
1216 atomic_t slow_ring_trc_cnt;
1217 /* iDiag debugfs sub-directory */
1218 struct dentry *idiag_root;
1219 struct dentry *idiag_pci_cfg;
1220 struct dentry *idiag_bar_acc;
1221 struct dentry *idiag_que_info;
1222 struct dentry *idiag_que_acc;
1223 struct dentry *idiag_drb_acc;
1224 struct dentry *idiag_ctl_acc;
1225 struct dentry *idiag_mbx_acc;
1226 struct dentry *idiag_ext_acc;
1227 uint8_t lpfc_idiag_last_eq;
1229 uint16_t nvmeio_trc_on;
1231 /* Used for deferred freeing of ELS data buffers */
1232 struct list_head elsbuf;
1234 int elsbuf_prev_cnt;
1236 uint8_t temp_sensor_support;
1237 /* Fields used for heart beat. */
1238 unsigned long last_completion_time;
1239 unsigned long skipped_hb;
1240 struct timer_list hb_tmofunc;
1241 struct timer_list rrq_tmr;
1242 enum hba_temp_state over_temp_state;
1244 * Following bit will be set for all buffer tags which are not
1245 * associated with any HBQ.
1247 #define QUE_BUFTAG_BIT (1<<31)
1248 uint32_t buffer_tag_count;
1249 int wait_4_mlo_maint_flg;
1250 wait_queue_head_t wait_4_mlo_m_q;
1251 /* data structure used for latency data collection */
1252 #define LPFC_NO_BUCKET 0
1253 #define LPFC_LINEAR_BUCKET 1
1254 #define LPFC_POWER2_BUCKET 2
1255 uint8_t bucket_type;
1256 uint32_t bucket_base;
1257 uint32_t bucket_step;
1259 /* Maximum number of events that can be outstanding at any time*/
1260 #define LPFC_MAX_EVT_COUNT 512
1261 atomic_t fast_event_count;
1262 uint32_t fcoe_eventtag;
1263 uint32_t fcoe_eventtag_at_fcf_scan;
1264 uint32_t fcoe_cvl_eventtag;
1265 uint32_t fcoe_cvl_eventtag_attn;
1266 struct lpfc_fcf fcf;
1270 struct list_head fcf_conn_rec_list;
1272 bool defer_flogi_acc_flag;
1273 uint16_t defer_flogi_acc_rx_id;
1274 uint16_t defer_flogi_acc_ox_id;
1276 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1277 struct list_head ct_ev_waiters;
1278 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1280 struct timer_list inactive_vmid_poll;
1283 struct lpfc_ras_fwlog ras_fwlog;
1285 uint8_t menlo_flag; /* menlo generic flags */
1286 #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
1290 spinlock_t devicelock; /* lock for luns list */
1291 mempool_t *device_data_mem_pool;
1292 struct list_head luns;
1293 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1294 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1295 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1296 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1297 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1298 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1299 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1300 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1301 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1302 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1304 uint16_t sfp_warning;
1306 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1307 uint16_t hdwqstat_on;
1308 #define LPFC_CHECK_OFF 0
1309 #define LPFC_CHECK_NVME_IO 1
1310 #define LPFC_CHECK_NVMET_IO 2
1311 #define LPFC_CHECK_SCSI_IO 4
1313 uint64_t ktime_data_samples;
1314 uint64_t ktime_status_samples;
1315 uint64_t ktime_last_cmd;
1316 uint64_t ktime_seg1_total;
1317 uint64_t ktime_seg1_min;
1318 uint64_t ktime_seg1_max;
1319 uint64_t ktime_seg2_total;
1320 uint64_t ktime_seg2_min;
1321 uint64_t ktime_seg2_max;
1322 uint64_t ktime_seg3_total;
1323 uint64_t ktime_seg3_min;
1324 uint64_t ktime_seg3_max;
1325 uint64_t ktime_seg4_total;
1326 uint64_t ktime_seg4_min;
1327 uint64_t ktime_seg4_max;
1328 uint64_t ktime_seg5_total;
1329 uint64_t ktime_seg5_min;
1330 uint64_t ktime_seg5_max;
1331 uint64_t ktime_seg6_total;
1332 uint64_t ktime_seg6_min;
1333 uint64_t ktime_seg6_max;
1334 uint64_t ktime_seg7_total;
1335 uint64_t ktime_seg7_min;
1336 uint64_t ktime_seg7_max;
1337 uint64_t ktime_seg8_total;
1338 uint64_t ktime_seg8_min;
1339 uint64_t ktime_seg8_max;
1340 uint64_t ktime_seg9_total;
1341 uint64_t ktime_seg9_min;
1342 uint64_t ktime_seg9_max;
1343 uint64_t ktime_seg10_total;
1344 uint64_t ktime_seg10_min;
1345 uint64_t ktime_seg10_max;
1348 struct hlist_node cpuhp; /* used for cpuhp per hba callback */
1349 struct timer_list cpuhp_poll_timer;
1350 struct list_head poll_list; /* slowpath eq polling list */
1351 #define LPFC_POLL_HB 1 /* slowpath heartbeat */
1352 #define LPFC_POLL_FASTPATH 0 /* called from fastpath */
1353 #define LPFC_POLL_SLOWPATH 1 /* called from slowpath */
1355 char os_host_name[MAXHOSTNAMELEN];
1357 /* SCSI host template information - for physical port */
1358 struct scsi_host_template port_template;
1359 /* SCSI host template information - for all vports */
1360 struct scsi_host_template vport_template;
1361 atomic_t dbg_log_idx;
1362 atomic_t dbg_log_cnt;
1363 atomic_t dbg_log_dmping;
1364 struct dbg_log_ent dbg_log[DBG_LOG_SZ];
1367 static inline struct Scsi_Host *
1368 lpfc_shost_from_vport(struct lpfc_vport *vport)
1370 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1374 lpfc_set_loopback_flag(struct lpfc_hba *phba)
1376 if (phba->cfg_topology == FLAGS_LOCAL_LB)
1377 phba->link_flag |= LS_LOOPBACK_MODE;
1379 phba->link_flag &= ~LS_LOOPBACK_MODE;
1383 lpfc_is_link_up(struct lpfc_hba *phba)
1385 return phba->link_state == LPFC_LINK_UP ||
1386 phba->link_state == LPFC_CLEAR_LA ||
1387 phba->link_state == LPFC_HBA_READY;
1391 lpfc_worker_wake_up(struct lpfc_hba *phba)
1393 /* Set the lpfc data pending flag */
1394 set_bit(LPFC_DATA_READY, &phba->data_flags);
1396 /* Wake up worker thread */
1397 wake_up(&phba->work_waitq);
1402 lpfc_readl(void __iomem *addr, uint32_t *data)
1406 if (temp == 0xffffffff)
1413 lpfc_sli_read_hs(struct lpfc_hba *phba)
1416 * There was a link/board error. Read the status register to retrieve
1417 * the error event and process it.
1419 phba->sli.slistat.err_attn_event++;
1421 /* Save status info and check for unplug error */
1422 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1423 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1424 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1428 /* Clear chip Host Attention error bit */
1429 writel(HA_ERATT, phba->HAregaddr);
1430 readl(phba->HAregaddr); /* flush */
1431 phba->pport->stopped = 1;
1436 static inline struct lpfc_sli_ring *
1437 lpfc_phba_elsring(struct lpfc_hba *phba)
1439 /* Return NULL if sli_rev has become invalid due to bad fw */
1440 if (phba->sli_rev != LPFC_SLI_REV4 &&
1441 phba->sli_rev != LPFC_SLI_REV3 &&
1442 phba->sli_rev != LPFC_SLI_REV2)
1445 if (phba->sli_rev == LPFC_SLI_REV4) {
1446 if (phba->sli4_hba.els_wq)
1447 return phba->sli4_hba.els_wq->pring;
1451 return &phba->sli.sli3_ring[LPFC_ELS_RING];
1455 * lpfc_next_online_cpu - Finds next online CPU on cpumask
1456 * @mask: Pointer to phba's cpumask member.
1457 * @start: starting cpu index
1459 * Note: If no valid cpu found, then nr_cpu_ids is returned.
1462 static inline unsigned int
1463 lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start)
1465 unsigned int cpu_it;
1467 for_each_cpu_wrap(cpu_it, mask, start) {
1468 if (cpu_online(cpu_it))
1475 * lpfc_sli4_mod_hba_eq_delay - update EQ delay
1476 * @phba: Pointer to HBA context object.
1477 * @q: The Event Queue to update.
1478 * @delay: The delay value (in us) to be written.
1482 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,
1485 struct lpfc_register reg_data;
1488 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id);
1489 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay);
1490 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);
1496 * Macro that declares tables and a routine to perform enum type to
1497 * ascii string lookup.
1499 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for
1500 * the enum to populate the table. Macro defines a routine (named
1501 * by caller) that will search all elements of the table for the key
1502 * and return the name string if found or "Unrecognized" if not found.
1504 #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \
1506 enum enum_name value; \
1508 } fc_##enum_name##_e2str_names[] = enum_init; \
1509 static const char *routine(enum enum_name table_key) \
1512 char *name = "Unrecognized"; \
1514 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\
1515 if (fc_##enum_name##_e2str_names[i].value == table_key) {\
1516 name = fc_##enum_name##_e2str_names[i].name; \
1524 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
1525 * @phba: Pointer to HBA context object.
1527 * Relationship between the enable, target support and if vmid tag is required
1528 * for the particular combination
1529 * ---------------------------------------------------
1530 * Switch Enable Flag Target Support VMID Needed
1531 * ---------------------------------------------------
1539 ---------------------------------------------------
1542 static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
1544 return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;