1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2018 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_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */
55 #define LPFC_MAX_SG_SLI4_SEG_CNT_DIF 128 /* sg element count per scsi cmnd */
56 #define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */
57 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
58 #define LPFC_MIN_SG_SEG_CNT 32 /* sg element count per scsi cmnd */
59 #define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */
60 #define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */
61 #define LPFC_MAX_NVME_SEG_CNT 256 /* max SGL element cnt per NVME cmnd */
63 #define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */
64 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
65 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
66 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */
67 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
68 #define LPFC_MIN_TGT_QDEPTH 10
69 #define LPFC_MAX_TGT_QDEPTH 0xFFFF
71 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
74 * Following time intervals are used of adjusting SCSI device
75 * queue depths when there are driver resource error or Firmware
79 #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))
81 /* Number of exchanges reserved for discovery to complete */
82 #define LPFC_DISC_IOCB_BUFF_COUNT 20
84 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
85 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
87 #define LPFC_LOOK_AHEAD_OFF 0 /* Look ahead logic is turned off */
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_nvmet_rcv_ctx *context;
147 struct lpfc_iocbq *iocbq;
148 struct lpfc_sglq *sglq;
151 struct lpfc_dma_pool {
152 struct lpfc_dmabuf *elements;
154 uint32_t current_count;
158 struct lpfc_dmabuf hbuf;
159 struct lpfc_dmabuf dbuf;
163 struct lpfc_cq_event cq_event;
164 unsigned long time_stamp;
169 struct lpfc_dmabuf hbuf;
170 struct lpfc_dmabuf dbuf;
174 struct lpfc_queue *hrq; /* ptr to associated Header RQ */
175 struct lpfc_queue *drq; /* ptr to associated Data RQ */
178 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
179 #define MEM_PRI 0x100
182 /****************************************************************************/
183 /* Device VPD save area */
184 /****************************************************************************/
185 typedef struct lpfc_vpd {
186 uint32_t status; /* vpd status value */
187 uint32_t length; /* number of bytes actually returned */
189 uint32_t rsvd1; /* Revision numbers */
197 uint8_t feaLevelHigh;
199 uint32_t postKernRev;
201 uint8_t opFwName[16];
203 uint8_t sli1FwName[16];
205 uint8_t sli2FwName[16];
208 #ifdef __BIG_ENDIAN_BITFIELD
209 uint32_t rsvd3 :19; /* Reserved */
210 uint32_t cdss : 1; /* Configure Data Security SLI */
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 cdss : 1; /* Configure Data Security SLI */
233 uint32_t rsvd3 :19; /* Reserved */
238 struct lpfc_scsi_buf;
245 /* Statistics for ELS commands */
247 uint32_t elsRetryExceeded;
248 uint32_t elsXmitRetry;
249 uint32_t elsDelayRetry;
251 uint32_t elsRcvFrame;
255 uint32_t elsRcvFARPR;
256 uint32_t elsRcvFLOGI;
257 uint32_t elsRcvPLOGI;
258 uint32_t elsRcvADISC;
259 uint32_t elsRcvPDISC;
273 uint32_t elsXmitFLOGI;
274 uint32_t elsXmitFDISC;
275 uint32_t elsXmitPLOGI;
276 uint32_t elsXmitPRLI;
277 uint32_t elsXmitADISC;
278 uint32_t elsXmitLOGO;
280 uint32_t elsXmitRNID;
281 uint32_t elsXmitFARP;
282 uint32_t elsXmitFARPR;
284 uint32_t elsXmitLSRJT;
286 uint32_t frameRcvBcast;
287 uint32_t frameRcvMulti;
288 uint32_t strayXmitCmpl;
289 uint32_t frameXmitDelay;
294 uint32_t LinkMultiEvent;
299 uint32_t fcpRemoteStop;
301 uint32_t fcpPortBusy;
303 uint32_t fcpLocalErr;
309 enum discovery_state {
310 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
311 LPFC_VPORT_FAILED = 1, /* vport has failed */
312 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
313 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
314 LPFC_FDISC = 8, /* FDISC sent for vport */
315 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
317 LPFC_NS_REG = 10, /* Register with NameServer */
318 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
319 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
320 * device authentication / discovery */
321 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
322 LPFC_VPORT_READY = 32,
326 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
327 LPFC_WARM_START = 1, /* HBA state after selective reset */
328 LPFC_INIT_START = 2, /* Initial state after board reset */
329 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
330 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
331 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
332 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
339 struct lpfc_hba *phba;
340 struct list_head listentry;
342 #define LPFC_PHYSICAL_PORT 1
343 #define LPFC_NPIV_PORT 2
344 #define LPFC_FABRIC_PORT 3
345 enum discovery_state port_state;
350 #define LPFC_VPI_REGISTERED 0x1
352 uint32_t fc_flag; /* FC flags */
353 /* Several of these flags are HBA centric and should be moved to
354 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
356 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
357 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
358 #define FC_DISC_TMO 0x4 /* Discovery timer running */
359 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
360 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
361 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
362 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
363 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
364 #define FC_FABRIC 0x100 /* We are fabric attached */
365 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
366 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
367 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
368 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
369 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
370 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
371 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
372 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
373 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
374 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
375 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
376 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
377 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
378 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */
381 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
382 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
383 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
384 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
385 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
387 struct list_head fc_nodes;
389 /* Keep counters for the number of entries in each list. */
390 uint16_t fc_plogi_cnt;
391 uint16_t fc_adisc_cnt;
392 uint16_t fc_reglogin_cnt;
393 uint16_t fc_prli_cnt;
394 uint16_t fc_unmap_cnt;
397 uint16_t fc_unused_cnt;
398 struct serv_parm fc_sparam; /* buffer for our service parameters */
400 uint32_t fc_myDID; /* fibre channel S_ID */
401 uint32_t fc_prevDID; /* previous fibre channel S_ID */
402 struct lpfc_name fabric_portname;
403 struct lpfc_name fabric_nodename;
405 int32_t stopped; /* HBA has not been restarted since last ERATT */
406 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
408 uint32_t num_disc_nodes; /* in addition to hba_state */
409 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */
411 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
412 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
413 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
414 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
415 struct lpfc_name fc_nodename; /* fc nodename */
416 struct lpfc_name fc_portname; /* fc portname */
418 struct lpfc_work_evt disc_timeout_evt;
420 struct timer_list fc_disctmo; /* Discovery rescue timer */
421 uint8_t fc_ns_retry; /* retries for fabric nameserver */
422 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
424 spinlock_t work_port_lock;
425 uint32_t work_port_events; /* Timeout to be handled */
426 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
427 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
428 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
430 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
431 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
432 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
433 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
434 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
435 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
437 struct timer_list els_tmofunc;
438 struct timer_list delayed_disc_tmo;
443 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
444 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
445 #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */
446 /* Vport Config Parameters */
447 uint32_t cfg_scan_down;
448 uint32_t cfg_lun_queue_depth;
449 uint32_t cfg_nodev_tmo;
450 uint32_t cfg_devloss_tmo;
451 uint32_t cfg_restrict_login;
452 uint32_t cfg_peer_port_login;
453 uint32_t cfg_fcp_class;
454 uint32_t cfg_use_adisc;
455 uint32_t cfg_discovery_threads;
456 uint32_t cfg_log_verbose;
457 uint32_t cfg_max_luns;
458 uint32_t cfg_enable_da_id;
459 uint32_t cfg_max_scsicmpl_time;
460 uint32_t cfg_tgt_queue_depth;
461 uint32_t cfg_first_burst_size;
462 uint32_t dev_loss_tmo_changed;
464 struct fc_vport *fc_vport;
466 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
467 struct dentry *debug_disc_trc;
468 struct dentry *debug_nodelist;
469 struct dentry *debug_nvmestat;
470 struct dentry *debug_nvmektime;
471 struct dentry *debug_cpucheck;
472 struct dentry *vport_debugfs_root;
473 struct lpfc_debugfs_trc *disc_trc;
474 atomic_t disc_trc_cnt;
476 uint8_t stat_data_enabled;
477 uint8_t stat_data_blocked;
478 struct list_head rcv_buffer_list;
479 unsigned long rcv_buffer_time_stamp;
481 #define STATIC_VPORT 1
483 #define FAWWPN_PARAM_CHG 4
485 uint16_t fdmi_num_disc;
486 uint32_t fdmi_hba_mask;
487 uint32_t fdmi_port_mask;
489 /* There is a single nvme instance per vport. */
490 struct nvme_fc_local_port *localport;
491 uint8_t nvmei_support; /* driver supports NVME Initiator */
492 uint32_t last_fcp_wqidx;
493 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */
497 uint16_t entry_count; /* Current number of HBQ slots */
498 uint16_t buffer_count; /* Current number of buffers posted */
499 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
500 uint32_t hbqPutIdx; /* HBQ slot to use */
501 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
502 void *hbq_virt; /* Virtual ptr to this hbq */
503 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
504 /* Callback for HBQ buffer allocation */
505 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
506 /* Callback for HBQ buffer free */
507 void (*hbq_free_buffer) (struct lpfc_hba *,
508 struct hbq_dmabuf *);
511 /* this matches the position in the lpfc_hbq_defs array */
512 #define LPFC_ELS_HBQ 0
513 #define LPFC_MAX_HBQS 1
515 enum hba_temp_state {
527 #define LPFC_CT_CTX_MAX 64
528 struct unsol_rcv_ct_ctx {
532 #define UNSOL_INVALID 0
533 #define UNSOL_VALID 1
538 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
539 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
540 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
541 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
542 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
543 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
544 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
545 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */
546 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */
547 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G
549 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
571 struct lpfc_mbox_ext_buf_ctx {
573 #define LPFC_BSG_MBOX_IDLE 0
574 #define LPFC_BSG_MBOX_HOST 1
575 #define LPFC_BSG_MBOX_PORT 2
576 #define LPFC_BSG_MBOX_DONE 3
577 #define LPFC_BSG_MBOX_ABTS 4
578 enum nemb_type nembType;
579 enum mbox_type mboxType;
583 struct lpfc_dmabuf *mbx_dmabuf;
584 struct list_head ext_dmabuf_list;
588 /* SCSI interface function jump table entries */
589 int (*lpfc_new_scsi_buf)
590 (struct lpfc_vport *, int);
591 struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
592 (struct lpfc_hba *, struct lpfc_nodelist *);
593 int (*lpfc_scsi_prep_dma_buf)
594 (struct lpfc_hba *, struct lpfc_scsi_buf *);
595 void (*lpfc_scsi_unprep_dma_buf)
596 (struct lpfc_hba *, struct lpfc_scsi_buf *);
597 void (*lpfc_release_scsi_buf)
598 (struct lpfc_hba *, struct lpfc_scsi_buf *);
599 void (*lpfc_rampdown_queue_depth)
601 void (*lpfc_scsi_prep_cmnd)
602 (struct lpfc_vport *, struct lpfc_scsi_buf *,
603 struct lpfc_nodelist *);
605 /* IOCB interface function jump table entries */
606 int (*__lpfc_sli_issue_iocb)
607 (struct lpfc_hba *, uint32_t,
608 struct lpfc_iocbq *, uint32_t);
609 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
610 struct lpfc_iocbq *);
611 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
612 IOCB_t * (*lpfc_get_iocb_from_iocbq)
613 (struct lpfc_iocbq *);
614 void (*lpfc_scsi_cmd_iocb_cmpl)
615 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
617 /* MBOX interface function jump table entries */
618 int (*lpfc_sli_issue_mbox)
619 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
621 /* Slow-path IOCB process function jump table entries */
622 void (*lpfc_sli_handle_slow_ring_event)
623 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
626 /* INIT device interface function jump table entries */
627 int (*lpfc_sli_hbq_to_firmware)
628 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
629 int (*lpfc_sli_brdrestart)
631 int (*lpfc_sli_brdready)
632 (struct lpfc_hba *, uint32_t);
633 void (*lpfc_handle_eratt)
635 void (*lpfc_stop_port)
637 int (*lpfc_hba_init_link)
638 (struct lpfc_hba *, uint32_t);
639 int (*lpfc_hba_down_link)
640 (struct lpfc_hba *, uint32_t);
641 int (*lpfc_selective_reset)
644 int (*lpfc_bg_scsi_prep_dma_buf)
645 (struct lpfc_hba *, struct lpfc_scsi_buf *);
646 /* Add new entries here */
648 /* SLI4 specific HBA data structure */
649 struct lpfc_sli4_hba sli4_hba;
651 struct workqueue_struct *wq;
654 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
655 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
656 uint32_t sli3_options; /* Mask of enabled SLI3 options */
657 #define LPFC_SLI3_HBQ_ENABLED 0x01
658 #define LPFC_SLI3_NPIV_ENABLED 0x02
659 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
660 #define LPFC_SLI3_CRP_ENABLED 0x08
661 #define LPFC_SLI3_BG_ENABLED 0x20
662 #define LPFC_SLI3_DSS_ENABLED 0x40
663 #define LPFC_SLI4_PERFH_ENABLED 0x80
664 #define LPFC_SLI4_PHWQ_ENABLED 0x100
665 uint32_t iocb_cmd_size;
666 uint32_t iocb_rsp_size;
668 enum hba_state link_state;
669 uint32_t link_flag; /* link state flags */
670 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
671 /* This flag is set while issuing */
672 /* INIT_LINK mailbox command */
673 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
674 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
675 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */
676 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */
678 uint32_t hba_flag; /* hba generic flags */
679 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
680 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */
681 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */
682 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
683 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
684 #define FCP_XRI_ABORT_EVENT 0x20
685 #define ELS_XRI_ABORT_EVENT 0x40
686 #define ASYNC_EVENT 0x80
687 #define LINK_DISABLED 0x100 /* Link disabled by user */
688 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
689 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
690 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
691 #define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */
692 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
693 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */
694 #define HBA_FCP_IOQ_FLUSH 0x8000 /* FCP I/O queues being flushed */
695 #define HBA_FW_DUMP_OP 0x10000 /* Skips fn reset before FW dump */
696 #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */
697 #define HBA_FORCED_LINK_SPEED 0x40000 /*
698 * Firmware supports Forced Link Speed
701 #define HBA_NVME_IOQ_FLUSH 0x80000 /* NVME IO queues flushed. */
703 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
704 struct lpfc_dmabuf slim2p;
708 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
713 struct lpfc_dmabuf hbqslimp;
715 uint16_t pci_cfg_value;
717 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
719 uint32_t fc_eventTag; /* event tag for link attention */
720 uint32_t link_events;
722 /* These fields used to be binfo */
723 uint32_t fc_pref_DID; /* preferred D_ID */
724 uint8_t fc_pref_ALPA; /* preferred AL_PA */
725 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
726 uint32_t fc_edtov; /* E_D_TOV timer value */
727 uint32_t fc_arbtov; /* ARB_TOV timer value */
728 uint32_t fc_ratov; /* R_A_TOV timer value */
729 uint32_t fc_rttov; /* R_T_TOV timer value */
730 uint32_t fc_altov; /* AL_TOV timer value */
731 uint32_t fc_crtov; /* C_R_TOV timer value */
733 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
734 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
738 uint32_t fc_topology; /* link topology, from LINK INIT */
739 uint32_t fc_topology_changed; /* link topology, from LINK INIT */
741 struct lpfc_stats fc_stat;
743 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
744 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
748 uint32_t RandomData[7];
749 uint8_t fcp_embed_io;
750 uint8_t nvme_support; /* Firmware supports NVME */
751 uint8_t nvmet_support; /* driver supports NVMET */
752 #define LPFC_NVMET_MAX_PORTS 32
753 uint8_t mds_diags_support;
754 uint32_t initial_imax;
755 uint8_t bbcredit_support;
756 uint8_t enab_exp_wqcq_pages;
758 /* HBA Config Parameters */
760 uint32_t cfg_enable_npiv;
761 uint32_t cfg_enable_rrq;
762 uint32_t cfg_topology;
763 uint32_t cfg_link_speed;
764 #define LPFC_FCF_FOV 1 /* Fast fcf failover */
765 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */
766 uint32_t cfg_fcf_failover_policy;
767 uint32_t cfg_fcp_io_sched;
768 uint32_t cfg_fcp2_no_tgt_reset;
769 uint32_t cfg_cr_delay;
770 uint32_t cfg_cr_count;
771 uint32_t cfg_multi_ring_support;
772 uint32_t cfg_multi_ring_rctl;
773 uint32_t cfg_multi_ring_type;
775 uint32_t cfg_poll_tmo;
776 uint32_t cfg_task_mgmt_tmo;
777 uint32_t cfg_use_msi;
778 uint32_t cfg_auto_imax;
779 uint32_t cfg_fcp_imax;
780 uint32_t cfg_fcp_cpu_map;
781 uint32_t cfg_fcp_io_channel;
782 uint32_t cfg_suppress_rsp;
783 uint32_t cfg_nvme_oas;
784 uint32_t cfg_nvme_embed_cmd;
785 uint32_t cfg_nvme_io_channel;
786 uint32_t cfg_nvmet_mrq_post;
787 uint32_t cfg_nvmet_mrq;
788 uint32_t cfg_enable_nvmet;
789 uint32_t cfg_nvme_enable_fb;
790 uint32_t cfg_nvmet_fb_size;
791 uint32_t cfg_total_seg_cnt;
792 uint32_t cfg_sg_seg_cnt;
793 uint32_t cfg_nvme_seg_cnt;
794 uint32_t cfg_sg_dma_buf_size;
795 uint64_t cfg_soft_wwnn;
796 uint64_t cfg_soft_wwpn;
797 uint32_t cfg_hba_queue_depth;
798 uint32_t cfg_enable_hba_reset;
799 uint32_t cfg_enable_hba_heartbeat;
801 uint32_t cfg_EnableXLane;
802 uint8_t cfg_oas_tgt_wwpn[8];
803 uint8_t cfg_oas_vpt_wwpn[8];
804 uint32_t cfg_oas_lun_state;
805 #define OAS_LUN_ENABLE 1
806 #define OAS_LUN_DISABLE 0
807 uint32_t cfg_oas_lun_status;
808 #define OAS_LUN_STATUS_EXISTS 0x01
809 uint32_t cfg_oas_flags;
810 #define OAS_FIND_ANY_VPORT 0x01
811 #define OAS_FIND_ANY_TARGET 0x02
812 #define OAS_LUN_VALID 0x04
813 uint32_t cfg_oas_priority;
814 uint32_t cfg_XLanePriority;
815 uint32_t cfg_enable_bg;
816 uint32_t cfg_prot_mask;
817 uint32_t cfg_prot_guard;
818 uint32_t cfg_hostmem_hgp;
819 uint32_t cfg_log_verbose;
820 uint32_t cfg_aer_support;
821 uint32_t cfg_sriov_nr_virtfn;
822 uint32_t cfg_request_firmware_upgrade;
823 uint32_t cfg_iocb_cnt;
824 uint32_t cfg_suppress_link_up;
825 uint32_t cfg_rrq_xri_bitmap_sz;
826 uint32_t cfg_delay_discovery;
827 uint32_t cfg_sli_mode;
828 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
829 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
830 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
831 uint32_t cfg_enable_dss;
832 uint32_t cfg_fdmi_on;
833 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */
834 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */
835 uint32_t cfg_enable_SmartSAN;
836 uint32_t cfg_enable_mds_diags;
837 uint32_t cfg_enable_fc4_type;
838 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */
839 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */
840 uint32_t cfg_xri_split;
841 #define LPFC_ENABLE_FCP 1
842 #define LPFC_ENABLE_NVME 2
843 #define LPFC_ENABLE_BOTH 3
844 uint32_t cfg_enable_pbde;
845 uint32_t io_channel_irqs; /* number of irqs for io channels */
846 struct nvmet_fc_target_port *targetport;
847 lpfc_vpd_t vpd; /* vital product data */
849 struct pci_dev *pcidev;
850 struct list_head work_list;
851 uint32_t work_ha; /* Host Attention Bits for WT */
852 uint32_t work_ha_mask; /* HA Bits owned by WT */
853 uint32_t work_hs; /* HS stored in case of ERRAT */
854 uint32_t work_status[2]; /* Extra status from SLIM */
856 wait_queue_head_t work_waitq;
857 struct task_struct *worker_thread;
858 unsigned long data_flags;
860 uint32_t hbq_in_use; /* HBQs in use flag */
861 uint32_t hbq_count; /* Count of configured HBQs */
862 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
864 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */
865 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */
867 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */
868 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */
869 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */
870 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
872 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
875 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
876 PCI BAR0 with dual-ULP support */
877 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
878 PCI BAR2 with dual-ULP support */
879 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
880 PCI BAR4 with dual-ULP support */
881 #define PCI_64BIT_BAR0 0
882 #define PCI_64BIT_BAR2 2
883 #define PCI_64BIT_BAR4 4
884 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
885 void __iomem *HAregaddr; /* virtual address for host attn reg */
886 void __iomem *CAregaddr; /* virtual address for chip attn reg */
887 void __iomem *HSregaddr; /* virtual address for host status
889 void __iomem *HCregaddr; /* virtual address for host ctl reg */
891 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
892 struct lpfc_pgp *port_gp;
893 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
894 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
896 int brd_no; /* FC board number */
897 char SerialNumber[32]; /* adapter Serial Number */
898 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
899 char ModelDesc[256]; /* Model Description */
900 char ModelName[80]; /* Model Name */
901 char ProgramType[256]; /* Program Type */
902 char Port[20]; /* Port No */
903 uint8_t vpd_flag; /* VPD data flag */
905 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
906 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
907 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
908 #define VPD_PORT 0x8 /* valid vpd port data */
909 #define VPD_MASK 0xf /* mask for any vpd data */
911 uint8_t soft_wwn_enable;
913 struct timer_list fcp_poll_timer;
914 struct timer_list eratt_poll;
915 uint32_t eratt_poll_interval;
920 atomic_t fc4ScsiInputRequests;
921 atomic_t fc4ScsiOutputRequests;
922 atomic_t fc4ScsiControlRequests;
923 atomic_t fc4ScsiIoCmpls;
925 uint64_t bg_guard_err_cnt;
926 uint64_t bg_apptag_err_cnt;
927 uint64_t bg_reftag_err_cnt;
930 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */
931 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */
932 struct list_head lpfc_scsi_buf_list_get;
933 struct list_head lpfc_scsi_buf_list_put;
934 uint32_t total_scsi_bufs;
935 spinlock_t nvme_buf_list_get_lock; /* NVME buf alloc list lock */
936 spinlock_t nvme_buf_list_put_lock; /* NVME buf free list lock */
937 struct list_head lpfc_nvme_buf_list_get;
938 struct list_head lpfc_nvme_buf_list_put;
939 uint32_t total_nvme_bufs;
940 uint32_t get_nvme_bufs;
941 uint32_t put_nvme_bufs;
942 struct list_head lpfc_iocb_list;
943 uint32_t total_iocbq_bufs;
944 struct list_head active_rrq_list;
948 struct dma_pool *lpfc_sg_dma_buf_pool;
949 struct dma_pool *lpfc_mbuf_pool;
950 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
951 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
952 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
953 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
954 struct dma_pool *txrdy_payload_pool;
955 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
957 mempool_t *mbox_mem_pool;
958 mempool_t *nlp_mem_pool;
960 mempool_t *active_rrq_pool;
962 struct fc_host_statistics link_stats;
963 enum intr_type_t intr_type;
965 #define LPFC_INTR_ERROR 0xFFFFFFFF
966 struct list_head port_list;
967 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
968 uint16_t max_vpi; /* Maximum virtual nports */
969 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */
970 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */
971 uint16_t max_vports; /*
972 * For IOV HBAs max_vpi can change
973 * after a reset. max_vports is max
974 * number of vports present. This can
975 * be greater than max_vpi.
979 unsigned long *vpi_bmask; /* vpi allocation table */
982 struct list_head lpfc_vpi_blk_list;
984 /* Data structure used by fabric iocb scheduler */
985 struct list_head fabric_iocb_list;
986 atomic_t fabric_iocb_count;
987 struct timer_list fabric_block_timer;
988 unsigned long bit_flags;
989 #define FABRIC_COMANDS_BLOCKED 0
990 atomic_t num_rsrc_err;
991 atomic_t num_cmd_success;
992 unsigned long last_rsrc_error_time;
993 unsigned long last_ramp_down_time;
994 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
995 struct dentry *hba_debugfs_root;
996 atomic_t debugfs_vport_count;
997 struct dentry *debug_hbqinfo;
998 struct dentry *debug_dumpHostSlim;
999 struct dentry *debug_dumpHBASlim;
1000 struct dentry *debug_dumpData; /* BlockGuard BPL */
1001 struct dentry *debug_dumpDif; /* BlockGuard BPL */
1002 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */
1003 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */
1004 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */
1005 struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1006 struct dentry *debug_writeApp; /* inject write app_tag errors */
1007 struct dentry *debug_writeRef; /* inject write ref_tag errors */
1008 struct dentry *debug_readGuard; /* inject read guard_tag errors */
1009 struct dentry *debug_readApp; /* inject read app_tag errors */
1010 struct dentry *debug_readRef; /* inject read ref_tag errors */
1012 struct dentry *debug_nvmeio_trc;
1013 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1014 atomic_t nvmeio_trc_cnt;
1015 uint32_t nvmeio_trc_size;
1016 uint32_t nvmeio_trc_output_idx;
1018 /* T10 DIF error injection */
1019 uint32_t lpfc_injerr_wgrd_cnt;
1020 uint32_t lpfc_injerr_wapp_cnt;
1021 uint32_t lpfc_injerr_wref_cnt;
1022 uint32_t lpfc_injerr_rgrd_cnt;
1023 uint32_t lpfc_injerr_rapp_cnt;
1024 uint32_t lpfc_injerr_rref_cnt;
1025 uint32_t lpfc_injerr_nportid;
1026 struct lpfc_name lpfc_injerr_wwpn;
1027 sector_t lpfc_injerr_lba;
1028 #define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1030 struct dentry *debug_slow_ring_trc;
1031 struct lpfc_debugfs_trc *slow_ring_trc;
1032 atomic_t slow_ring_trc_cnt;
1033 /* iDiag debugfs sub-directory */
1034 struct dentry *idiag_root;
1035 struct dentry *idiag_pci_cfg;
1036 struct dentry *idiag_bar_acc;
1037 struct dentry *idiag_que_info;
1038 struct dentry *idiag_que_acc;
1039 struct dentry *idiag_drb_acc;
1040 struct dentry *idiag_ctl_acc;
1041 struct dentry *idiag_mbx_acc;
1042 struct dentry *idiag_ext_acc;
1043 uint8_t lpfc_idiag_last_eq;
1045 uint16_t nvmeio_trc_on;
1047 /* Used for deferred freeing of ELS data buffers */
1048 struct list_head elsbuf;
1050 int elsbuf_prev_cnt;
1052 uint8_t temp_sensor_support;
1053 /* Fields used for heart beat. */
1054 unsigned long last_eqdelay_time;
1055 unsigned long last_completion_time;
1056 unsigned long skipped_hb;
1057 struct timer_list hb_tmofunc;
1058 uint8_t hb_outstanding;
1059 struct timer_list rrq_tmr;
1060 enum hba_temp_state over_temp_state;
1061 /* ndlp reference management */
1062 spinlock_t ndlp_lock;
1064 * Following bit will be set for all buffer tags which are not
1065 * associated with any HBQ.
1067 #define QUE_BUFTAG_BIT (1<<31)
1068 uint32_t buffer_tag_count;
1069 int wait_4_mlo_maint_flg;
1070 wait_queue_head_t wait_4_mlo_m_q;
1071 /* data structure used for latency data collection */
1072 #define LPFC_NO_BUCKET 0
1073 #define LPFC_LINEAR_BUCKET 1
1074 #define LPFC_POWER2_BUCKET 2
1075 uint8_t bucket_type;
1076 uint32_t bucket_base;
1077 uint32_t bucket_step;
1079 /* Maximum number of events that can be outstanding at any time*/
1080 #define LPFC_MAX_EVT_COUNT 512
1081 atomic_t fast_event_count;
1082 uint32_t fcoe_eventtag;
1083 uint32_t fcoe_eventtag_at_fcf_scan;
1084 uint32_t fcoe_cvl_eventtag;
1085 uint32_t fcoe_cvl_eventtag_attn;
1086 struct lpfc_fcf fcf;
1090 struct list_head fcf_conn_rec_list;
1092 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1093 struct list_head ct_ev_waiters;
1094 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1097 uint8_t menlo_flag; /* menlo generic flags */
1098 #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
1102 uint8_t fips_spec_rev;
1104 spinlock_t devicelock; /* lock for luns list */
1105 mempool_t *device_data_mem_pool;
1106 struct list_head luns;
1107 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1108 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1109 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1110 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1111 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1112 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1113 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1114 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1115 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1116 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1118 uint16_t sfp_warning;
1120 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1121 #define LPFC_CHECK_CPU_CNT 32
1122 uint32_t cpucheck_rcv_io[LPFC_CHECK_CPU_CNT];
1123 uint32_t cpucheck_xmt_io[LPFC_CHECK_CPU_CNT];
1124 uint32_t cpucheck_cmpl_io[LPFC_CHECK_CPU_CNT];
1125 uint32_t cpucheck_ccmpl_io[LPFC_CHECK_CPU_CNT];
1126 uint16_t cpucheck_on;
1127 #define LPFC_CHECK_OFF 0
1128 #define LPFC_CHECK_NVME_IO 1
1129 #define LPFC_CHECK_NVMET_RCV 2
1130 #define LPFC_CHECK_NVMET_IO 4
1132 uint64_t ktime_data_samples;
1133 uint64_t ktime_status_samples;
1134 uint64_t ktime_last_cmd;
1135 uint64_t ktime_seg1_total;
1136 uint64_t ktime_seg1_min;
1137 uint64_t ktime_seg1_max;
1138 uint64_t ktime_seg2_total;
1139 uint64_t ktime_seg2_min;
1140 uint64_t ktime_seg2_max;
1141 uint64_t ktime_seg3_total;
1142 uint64_t ktime_seg3_min;
1143 uint64_t ktime_seg3_max;
1144 uint64_t ktime_seg4_total;
1145 uint64_t ktime_seg4_min;
1146 uint64_t ktime_seg4_max;
1147 uint64_t ktime_seg5_total;
1148 uint64_t ktime_seg5_min;
1149 uint64_t ktime_seg5_max;
1150 uint64_t ktime_seg6_total;
1151 uint64_t ktime_seg6_min;
1152 uint64_t ktime_seg6_max;
1153 uint64_t ktime_seg7_total;
1154 uint64_t ktime_seg7_min;
1155 uint64_t ktime_seg7_max;
1156 uint64_t ktime_seg8_total;
1157 uint64_t ktime_seg8_min;
1158 uint64_t ktime_seg8_max;
1159 uint64_t ktime_seg9_total;
1160 uint64_t ktime_seg9_min;
1161 uint64_t ktime_seg9_max;
1162 uint64_t ktime_seg10_total;
1163 uint64_t ktime_seg10_min;
1164 uint64_t ktime_seg10_max;
1168 static inline struct Scsi_Host *
1169 lpfc_shost_from_vport(struct lpfc_vport *vport)
1171 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1175 lpfc_set_loopback_flag(struct lpfc_hba *phba)
1177 if (phba->cfg_topology == FLAGS_LOCAL_LB)
1178 phba->link_flag |= LS_LOOPBACK_MODE;
1180 phba->link_flag &= ~LS_LOOPBACK_MODE;
1184 lpfc_is_link_up(struct lpfc_hba *phba)
1186 return phba->link_state == LPFC_LINK_UP ||
1187 phba->link_state == LPFC_CLEAR_LA ||
1188 phba->link_state == LPFC_HBA_READY;
1192 lpfc_worker_wake_up(struct lpfc_hba *phba)
1194 /* Set the lpfc data pending flag */
1195 set_bit(LPFC_DATA_READY, &phba->data_flags);
1197 /* Wake up worker thread */
1198 wake_up(&phba->work_waitq);
1203 lpfc_readl(void __iomem *addr, uint32_t *data)
1207 if (temp == 0xffffffff)
1214 lpfc_sli_read_hs(struct lpfc_hba *phba)
1217 * There was a link/board error. Read the status register to retrieve
1218 * the error event and process it.
1220 phba->sli.slistat.err_attn_event++;
1222 /* Save status info and check for unplug error */
1223 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1224 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1225 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1229 /* Clear chip Host Attention error bit */
1230 writel(HA_ERATT, phba->HAregaddr);
1231 readl(phba->HAregaddr); /* flush */
1232 phba->pport->stopped = 1;
1237 static inline struct lpfc_sli_ring *
1238 lpfc_phba_elsring(struct lpfc_hba *phba)
1240 /* Return NULL if sli_rev has become invalid due to bad fw */
1241 if (phba->sli_rev != LPFC_SLI_REV4 &&
1242 phba->sli_rev != LPFC_SLI_REV3 &&
1243 phba->sli_rev != LPFC_SLI_REV2)
1246 if (phba->sli_rev == LPFC_SLI_REV4) {
1247 if (phba->sli4_hba.els_wq)
1248 return phba->sli4_hba.els_wq->pring;
1252 return &phba->sli.sli3_ring[LPFC_ELS_RING];