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_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */
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
338 struct lpfc_trunk_link_state {
339 enum hba_state state;
343 struct lpfc_trunk_link {
344 struct lpfc_trunk_link_state link0,
351 struct lpfc_hba *phba;
352 struct list_head listentry;
354 #define LPFC_PHYSICAL_PORT 1
355 #define LPFC_NPIV_PORT 2
356 #define LPFC_FABRIC_PORT 3
357 enum discovery_state port_state;
362 #define LPFC_VPI_REGISTERED 0x1
364 uint32_t fc_flag; /* FC flags */
365 /* Several of these flags are HBA centric and should be moved to
366 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
368 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
369 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
370 #define FC_DISC_TMO 0x4 /* Discovery timer running */
371 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
372 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
373 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
374 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
375 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
376 #define FC_FABRIC 0x100 /* We are fabric attached */
377 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
378 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
379 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
380 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
381 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
382 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
383 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
384 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
385 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
386 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
387 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
388 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
389 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
390 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */
393 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
394 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
395 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
396 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
397 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
399 struct list_head fc_nodes;
401 /* Keep counters for the number of entries in each list. */
402 uint16_t fc_plogi_cnt;
403 uint16_t fc_adisc_cnt;
404 uint16_t fc_reglogin_cnt;
405 uint16_t fc_prli_cnt;
406 uint16_t fc_unmap_cnt;
409 uint16_t fc_unused_cnt;
410 struct serv_parm fc_sparam; /* buffer for our service parameters */
412 uint32_t fc_myDID; /* fibre channel S_ID */
413 uint32_t fc_prevDID; /* previous fibre channel S_ID */
414 struct lpfc_name fabric_portname;
415 struct lpfc_name fabric_nodename;
417 int32_t stopped; /* HBA has not been restarted since last ERATT */
418 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
420 uint32_t num_disc_nodes; /* in addition to hba_state */
421 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */
423 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
424 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
425 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
426 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
427 struct lpfc_name fc_nodename; /* fc nodename */
428 struct lpfc_name fc_portname; /* fc portname */
430 struct lpfc_work_evt disc_timeout_evt;
432 struct timer_list fc_disctmo; /* Discovery rescue timer */
433 uint8_t fc_ns_retry; /* retries for fabric nameserver */
434 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
436 spinlock_t work_port_lock;
437 uint32_t work_port_events; /* Timeout to be handled */
438 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
439 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
440 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
442 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
443 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
444 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
445 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
446 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
447 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
449 struct timer_list els_tmofunc;
450 struct timer_list delayed_disc_tmo;
455 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
456 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
457 #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */
458 /* Vport Config Parameters */
459 uint32_t cfg_scan_down;
460 uint32_t cfg_lun_queue_depth;
461 uint32_t cfg_nodev_tmo;
462 uint32_t cfg_devloss_tmo;
463 uint32_t cfg_restrict_login;
464 uint32_t cfg_peer_port_login;
465 uint32_t cfg_fcp_class;
466 uint32_t cfg_use_adisc;
467 uint32_t cfg_discovery_threads;
468 uint32_t cfg_log_verbose;
469 uint32_t cfg_max_luns;
470 uint32_t cfg_enable_da_id;
471 uint32_t cfg_max_scsicmpl_time;
472 uint32_t cfg_tgt_queue_depth;
473 uint32_t cfg_first_burst_size;
474 uint32_t dev_loss_tmo_changed;
476 struct fc_vport *fc_vport;
478 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
479 struct dentry *debug_disc_trc;
480 struct dentry *debug_nodelist;
481 struct dentry *debug_nvmestat;
482 struct dentry *debug_nvmektime;
483 struct dentry *debug_cpucheck;
484 struct dentry *vport_debugfs_root;
485 struct lpfc_debugfs_trc *disc_trc;
486 atomic_t disc_trc_cnt;
488 uint8_t stat_data_enabled;
489 uint8_t stat_data_blocked;
490 struct list_head rcv_buffer_list;
491 unsigned long rcv_buffer_time_stamp;
493 #define STATIC_VPORT 1
495 #define FAWWPN_PARAM_CHG 4
497 uint16_t fdmi_num_disc;
498 uint32_t fdmi_hba_mask;
499 uint32_t fdmi_port_mask;
501 /* There is a single nvme instance per vport. */
502 struct nvme_fc_local_port *localport;
503 uint8_t nvmei_support; /* driver supports NVME Initiator */
504 uint32_t last_fcp_wqidx;
505 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */
509 uint16_t entry_count; /* Current number of HBQ slots */
510 uint16_t buffer_count; /* Current number of buffers posted */
511 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
512 uint32_t hbqPutIdx; /* HBQ slot to use */
513 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
514 void *hbq_virt; /* Virtual ptr to this hbq */
515 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
516 /* Callback for HBQ buffer allocation */
517 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
518 /* Callback for HBQ buffer free */
519 void (*hbq_free_buffer) (struct lpfc_hba *,
520 struct hbq_dmabuf *);
523 /* this matches the position in the lpfc_hbq_defs array */
524 #define LPFC_ELS_HBQ 0
525 #define LPFC_MAX_HBQS 1
527 enum hba_temp_state {
539 #define LPFC_CT_CTX_MAX 64
540 struct unsol_rcv_ct_ctx {
544 #define UNSOL_INVALID 0
545 #define UNSOL_VALID 1
550 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
551 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
552 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
553 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
554 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
555 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
556 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
557 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */
558 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */
559 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G
561 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
583 struct lpfc_mbox_ext_buf_ctx {
585 #define LPFC_BSG_MBOX_IDLE 0
586 #define LPFC_BSG_MBOX_HOST 1
587 #define LPFC_BSG_MBOX_PORT 2
588 #define LPFC_BSG_MBOX_DONE 3
589 #define LPFC_BSG_MBOX_ABTS 4
590 enum nemb_type nembType;
591 enum mbox_type mboxType;
595 struct lpfc_dmabuf *mbx_dmabuf;
596 struct list_head ext_dmabuf_list;
599 struct lpfc_ras_fwlog {
601 uint32_t fw_buffcount; /* Buffer size posted to FW */
602 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */
603 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
604 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
605 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
606 uint32_t fw_loglevel; /* Log level set */
607 struct lpfc_dmabuf lwpd;
608 struct list_head fwlog_buff_list;
610 /* RAS support status on adapter */
611 bool ras_hwsupport; /* RAS Support available on HW or not */
612 bool ras_enabled; /* Ras Enabled for the function */
613 #define LPFC_RAS_DISABLE_LOGGING 0x00
614 #define LPFC_RAS_ENABLE_LOGGING 0x01
615 bool ras_active; /* RAS logging running state */
619 /* SCSI interface function jump table entries */
620 struct lpfc_scsi_buf * (*lpfc_get_scsi_buf)
621 (struct lpfc_hba *, struct lpfc_nodelist *);
622 int (*lpfc_scsi_prep_dma_buf)
623 (struct lpfc_hba *, struct lpfc_scsi_buf *);
624 void (*lpfc_scsi_unprep_dma_buf)
625 (struct lpfc_hba *, struct lpfc_scsi_buf *);
626 void (*lpfc_release_scsi_buf)
627 (struct lpfc_hba *, struct lpfc_scsi_buf *);
628 void (*lpfc_rampdown_queue_depth)
630 void (*lpfc_scsi_prep_cmnd)
631 (struct lpfc_vport *, struct lpfc_scsi_buf *,
632 struct lpfc_nodelist *);
634 /* IOCB interface function jump table entries */
635 int (*__lpfc_sli_issue_iocb)
636 (struct lpfc_hba *, uint32_t,
637 struct lpfc_iocbq *, uint32_t);
638 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
639 struct lpfc_iocbq *);
640 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
641 IOCB_t * (*lpfc_get_iocb_from_iocbq)
642 (struct lpfc_iocbq *);
643 void (*lpfc_scsi_cmd_iocb_cmpl)
644 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
646 /* MBOX interface function jump table entries */
647 int (*lpfc_sli_issue_mbox)
648 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
650 /* Slow-path IOCB process function jump table entries */
651 void (*lpfc_sli_handle_slow_ring_event)
652 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
655 /* INIT device interface function jump table entries */
656 int (*lpfc_sli_hbq_to_firmware)
657 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
658 int (*lpfc_sli_brdrestart)
660 int (*lpfc_sli_brdready)
661 (struct lpfc_hba *, uint32_t);
662 void (*lpfc_handle_eratt)
664 void (*lpfc_stop_port)
666 int (*lpfc_hba_init_link)
667 (struct lpfc_hba *, uint32_t);
668 int (*lpfc_hba_down_link)
669 (struct lpfc_hba *, uint32_t);
670 int (*lpfc_selective_reset)
673 int (*lpfc_bg_scsi_prep_dma_buf)
674 (struct lpfc_hba *, struct lpfc_scsi_buf *);
675 /* Add new entries here */
677 /* SLI4 specific HBA data structure */
678 struct lpfc_sli4_hba sli4_hba;
680 struct workqueue_struct *wq;
683 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
684 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
685 uint32_t sli3_options; /* Mask of enabled SLI3 options */
686 #define LPFC_SLI3_HBQ_ENABLED 0x01
687 #define LPFC_SLI3_NPIV_ENABLED 0x02
688 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
689 #define LPFC_SLI3_CRP_ENABLED 0x08
690 #define LPFC_SLI3_BG_ENABLED 0x20
691 #define LPFC_SLI3_DSS_ENABLED 0x40
692 #define LPFC_SLI4_PERFH_ENABLED 0x80
693 #define LPFC_SLI4_PHWQ_ENABLED 0x100
694 uint32_t iocb_cmd_size;
695 uint32_t iocb_rsp_size;
697 struct lpfc_trunk_link trunk_link;
698 enum hba_state link_state;
699 uint32_t link_flag; /* link state flags */
700 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
701 /* This flag is set while issuing */
702 /* INIT_LINK mailbox command */
703 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
704 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
705 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */
706 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */
708 uint32_t hba_flag; /* hba generic flags */
709 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
710 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */
711 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */
712 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
713 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
714 #define ELS_XRI_ABORT_EVENT 0x40
715 #define ASYNC_EVENT 0x80
716 #define LINK_DISABLED 0x100 /* Link disabled by user */
717 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
718 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
719 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
720 #define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */
721 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
722 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */
723 #define HBA_FCP_IOQ_FLUSH 0x8000 /* FCP I/O queues being flushed */
724 #define HBA_FW_DUMP_OP 0x10000 /* Skips fn reset before FW dump */
725 #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */
726 #define HBA_FORCED_LINK_SPEED 0x40000 /*
727 * Firmware supports Forced Link Speed
730 #define HBA_NVME_IOQ_FLUSH 0x80000 /* NVME IO queues flushed. */
731 #define HBA_FLOGI_ISSUED 0x100000 /* FLOGI was issued */
733 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
734 struct lpfc_dmabuf slim2p;
738 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
743 struct lpfc_dmabuf hbqslimp;
745 uint16_t pci_cfg_value;
747 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
749 uint32_t fc_eventTag; /* event tag for link attention */
750 uint32_t link_events;
752 /* These fields used to be binfo */
753 uint32_t fc_pref_DID; /* preferred D_ID */
754 uint8_t fc_pref_ALPA; /* preferred AL_PA */
755 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
756 uint32_t fc_edtov; /* E_D_TOV timer value */
757 uint32_t fc_arbtov; /* ARB_TOV timer value */
758 uint32_t fc_ratov; /* R_A_TOV timer value */
759 uint32_t fc_rttov; /* R_T_TOV timer value */
760 uint32_t fc_altov; /* AL_TOV timer value */
761 uint32_t fc_crtov; /* C_R_TOV timer value */
763 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
764 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
768 uint32_t fc_topology; /* link topology, from LINK INIT */
769 uint32_t fc_topology_changed; /* link topology, from LINK INIT */
771 struct lpfc_stats fc_stat;
773 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
774 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
778 uint32_t RandomData[7];
779 uint8_t fcp_embed_io;
780 uint8_t nvme_support; /* Firmware supports NVME */
781 uint8_t nvmet_support; /* driver supports NVMET */
782 #define LPFC_NVMET_MAX_PORTS 32
783 uint8_t mds_diags_support;
784 uint32_t initial_imax;
785 uint8_t bbcredit_support;
786 uint8_t enab_exp_wqcq_pages;
788 /* HBA Config Parameters */
790 uint32_t cfg_enable_npiv;
791 uint32_t cfg_enable_rrq;
792 uint32_t cfg_topology;
793 uint32_t cfg_link_speed;
794 #define LPFC_FCF_FOV 1 /* Fast fcf failover */
795 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */
796 uint32_t cfg_fcf_failover_policy;
797 uint32_t cfg_fcp_io_sched;
798 uint32_t cfg_ns_query;
799 uint32_t cfg_fcp2_no_tgt_reset;
800 uint32_t cfg_cr_delay;
801 uint32_t cfg_cr_count;
802 uint32_t cfg_multi_ring_support;
803 uint32_t cfg_multi_ring_rctl;
804 uint32_t cfg_multi_ring_type;
806 uint32_t cfg_poll_tmo;
807 uint32_t cfg_task_mgmt_tmo;
808 uint32_t cfg_use_msi;
809 uint32_t cfg_auto_imax;
810 uint32_t cfg_fcp_imax;
811 uint32_t cfg_fcp_cpu_map;
812 uint32_t cfg_hdw_queue;
813 uint32_t cfg_suppress_rsp;
814 uint32_t cfg_nvme_oas;
815 uint32_t cfg_nvme_embed_cmd;
816 uint32_t cfg_nvmet_mrq_post;
817 uint32_t cfg_nvmet_mrq;
818 uint32_t cfg_enable_nvmet;
819 uint32_t cfg_nvme_enable_fb;
820 uint32_t cfg_nvmet_fb_size;
821 uint32_t cfg_total_seg_cnt;
822 uint32_t cfg_sg_seg_cnt;
823 uint32_t cfg_nvme_seg_cnt;
824 uint32_t cfg_scsi_seg_cnt;
825 uint32_t cfg_sg_dma_buf_size;
826 uint64_t cfg_soft_wwnn;
827 uint64_t cfg_soft_wwpn;
828 uint32_t cfg_hba_queue_depth;
829 uint32_t cfg_enable_hba_reset;
830 uint32_t cfg_enable_hba_heartbeat;
832 uint32_t cfg_EnableXLane;
833 uint8_t cfg_oas_tgt_wwpn[8];
834 uint8_t cfg_oas_vpt_wwpn[8];
835 uint32_t cfg_oas_lun_state;
836 #define OAS_LUN_ENABLE 1
837 #define OAS_LUN_DISABLE 0
838 uint32_t cfg_oas_lun_status;
839 #define OAS_LUN_STATUS_EXISTS 0x01
840 uint32_t cfg_oas_flags;
841 #define OAS_FIND_ANY_VPORT 0x01
842 #define OAS_FIND_ANY_TARGET 0x02
843 #define OAS_LUN_VALID 0x04
844 uint32_t cfg_oas_priority;
845 uint32_t cfg_XLanePriority;
846 uint32_t cfg_enable_bg;
847 uint32_t cfg_prot_mask;
848 uint32_t cfg_prot_guard;
849 uint32_t cfg_hostmem_hgp;
850 uint32_t cfg_log_verbose;
851 uint32_t cfg_aer_support;
852 uint32_t cfg_sriov_nr_virtfn;
853 uint32_t cfg_request_firmware_upgrade;
854 uint32_t cfg_iocb_cnt;
855 uint32_t cfg_suppress_link_up;
856 uint32_t cfg_rrq_xri_bitmap_sz;
857 uint32_t cfg_delay_discovery;
858 uint32_t cfg_sli_mode;
859 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
860 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
861 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
862 uint32_t cfg_enable_dss;
863 uint32_t cfg_fdmi_on;
864 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */
865 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */
866 uint32_t cfg_enable_SmartSAN;
867 uint32_t cfg_enable_mds_diags;
868 uint32_t cfg_ras_fwlog_level;
869 uint32_t cfg_ras_fwlog_buffsize;
870 uint32_t cfg_ras_fwlog_func;
871 uint32_t cfg_enable_fc4_type;
872 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */
873 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */
874 #define LPFC_ENABLE_FCP 1
875 #define LPFC_ENABLE_NVME 2
876 #define LPFC_ENABLE_BOTH 3
877 uint32_t cfg_enable_pbde;
878 struct nvmet_fc_target_port *targetport;
879 lpfc_vpd_t vpd; /* vital product data */
881 struct pci_dev *pcidev;
882 struct list_head work_list;
883 uint32_t work_ha; /* Host Attention Bits for WT */
884 uint32_t work_ha_mask; /* HA Bits owned by WT */
885 uint32_t work_hs; /* HS stored in case of ERRAT */
886 uint32_t work_status[2]; /* Extra status from SLIM */
888 wait_queue_head_t work_waitq;
889 struct task_struct *worker_thread;
890 unsigned long data_flags;
892 uint32_t hbq_in_use; /* HBQs in use flag */
893 uint32_t hbq_count; /* Count of configured HBQs */
894 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
896 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */
897 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */
899 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */
900 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */
901 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */
902 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
904 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
907 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
908 PCI BAR0 with dual-ULP support */
909 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
910 PCI BAR2 with dual-ULP support */
911 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
912 PCI BAR4 with dual-ULP support */
913 #define PCI_64BIT_BAR0 0
914 #define PCI_64BIT_BAR2 2
915 #define PCI_64BIT_BAR4 4
916 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
917 void __iomem *HAregaddr; /* virtual address for host attn reg */
918 void __iomem *CAregaddr; /* virtual address for chip attn reg */
919 void __iomem *HSregaddr; /* virtual address for host status
921 void __iomem *HCregaddr; /* virtual address for host ctl reg */
923 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
924 struct lpfc_pgp *port_gp;
925 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
926 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
928 int brd_no; /* FC board number */
929 char SerialNumber[32]; /* adapter Serial Number */
930 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
931 char ModelDesc[256]; /* Model Description */
932 char ModelName[80]; /* Model Name */
933 char ProgramType[256]; /* Program Type */
934 char Port[20]; /* Port No */
935 uint8_t vpd_flag; /* VPD data flag */
937 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
938 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
939 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
940 #define VPD_PORT 0x8 /* valid vpd port data */
941 #define VPD_MASK 0xf /* mask for any vpd data */
943 uint8_t soft_wwn_enable;
945 struct timer_list fcp_poll_timer;
946 struct timer_list eratt_poll;
947 uint32_t eratt_poll_interval;
952 atomic_t fc4ScsiInputRequests;
953 atomic_t fc4ScsiOutputRequests;
954 atomic_t fc4ScsiControlRequests;
955 atomic_t fc4ScsiIoCmpls;
957 uint64_t bg_guard_err_cnt;
958 uint64_t bg_apptag_err_cnt;
959 uint64_t bg_reftag_err_cnt;
962 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */
963 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */
964 struct list_head lpfc_scsi_buf_list_get;
965 struct list_head lpfc_scsi_buf_list_put;
966 uint32_t total_scsi_bufs;
967 struct list_head lpfc_iocb_list;
968 uint32_t total_iocbq_bufs;
969 struct list_head active_rrq_list;
973 struct dma_pool *lpfc_sg_dma_buf_pool;
974 struct dma_pool *lpfc_mbuf_pool;
975 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
976 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
977 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
978 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
979 struct dma_pool *txrdy_payload_pool;
980 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
982 mempool_t *mbox_mem_pool;
983 mempool_t *nlp_mem_pool;
985 mempool_t *active_rrq_pool;
987 struct fc_host_statistics link_stats;
988 enum intr_type_t intr_type;
990 #define LPFC_INTR_ERROR 0xFFFFFFFF
991 struct list_head port_list;
992 spinlock_t port_list_lock; /* lock for port_list mutations */
993 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
994 uint16_t max_vpi; /* Maximum virtual nports */
995 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */
996 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */
997 uint16_t max_vports; /*
998 * For IOV HBAs max_vpi can change
999 * after a reset. max_vports is max
1000 * number of vports present. This can
1001 * be greater than max_vpi.
1005 unsigned long *vpi_bmask; /* vpi allocation table */
1008 struct list_head lpfc_vpi_blk_list;
1010 /* Data structure used by fabric iocb scheduler */
1011 struct list_head fabric_iocb_list;
1012 atomic_t fabric_iocb_count;
1013 struct timer_list fabric_block_timer;
1014 unsigned long bit_flags;
1015 #define FABRIC_COMANDS_BLOCKED 0
1016 atomic_t num_rsrc_err;
1017 atomic_t num_cmd_success;
1018 unsigned long last_rsrc_error_time;
1019 unsigned long last_ramp_down_time;
1020 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1021 struct dentry *hba_debugfs_root;
1022 atomic_t debugfs_vport_count;
1023 struct dentry *debug_hbqinfo;
1024 struct dentry *debug_dumpHostSlim;
1025 struct dentry *debug_dumpHBASlim;
1026 struct dentry *debug_dumpData; /* BlockGuard BPL */
1027 struct dentry *debug_dumpDif; /* BlockGuard BPL */
1028 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */
1029 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */
1030 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */
1031 struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1032 struct dentry *debug_writeApp; /* inject write app_tag errors */
1033 struct dentry *debug_writeRef; /* inject write ref_tag errors */
1034 struct dentry *debug_readGuard; /* inject read guard_tag errors */
1035 struct dentry *debug_readApp; /* inject read app_tag errors */
1036 struct dentry *debug_readRef; /* inject read ref_tag errors */
1038 struct dentry *debug_nvmeio_trc;
1039 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1040 struct dentry *debug_hdwqinfo;
1041 atomic_t nvmeio_trc_cnt;
1042 uint32_t nvmeio_trc_size;
1043 uint32_t nvmeio_trc_output_idx;
1045 /* T10 DIF error injection */
1046 uint32_t lpfc_injerr_wgrd_cnt;
1047 uint32_t lpfc_injerr_wapp_cnt;
1048 uint32_t lpfc_injerr_wref_cnt;
1049 uint32_t lpfc_injerr_rgrd_cnt;
1050 uint32_t lpfc_injerr_rapp_cnt;
1051 uint32_t lpfc_injerr_rref_cnt;
1052 uint32_t lpfc_injerr_nportid;
1053 struct lpfc_name lpfc_injerr_wwpn;
1054 sector_t lpfc_injerr_lba;
1055 #define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1057 struct dentry *debug_slow_ring_trc;
1058 struct lpfc_debugfs_trc *slow_ring_trc;
1059 atomic_t slow_ring_trc_cnt;
1060 /* iDiag debugfs sub-directory */
1061 struct dentry *idiag_root;
1062 struct dentry *idiag_pci_cfg;
1063 struct dentry *idiag_bar_acc;
1064 struct dentry *idiag_que_info;
1065 struct dentry *idiag_que_acc;
1066 struct dentry *idiag_drb_acc;
1067 struct dentry *idiag_ctl_acc;
1068 struct dentry *idiag_mbx_acc;
1069 struct dentry *idiag_ext_acc;
1070 uint8_t lpfc_idiag_last_eq;
1072 uint16_t nvmeio_trc_on;
1074 /* Used for deferred freeing of ELS data buffers */
1075 struct list_head elsbuf;
1077 int elsbuf_prev_cnt;
1079 uint8_t temp_sensor_support;
1080 /* Fields used for heart beat. */
1081 unsigned long last_eqdelay_time;
1082 unsigned long last_completion_time;
1083 unsigned long skipped_hb;
1084 struct timer_list hb_tmofunc;
1085 uint8_t hb_outstanding;
1086 struct timer_list rrq_tmr;
1087 enum hba_temp_state over_temp_state;
1088 /* ndlp reference management */
1089 spinlock_t ndlp_lock;
1091 * Following bit will be set for all buffer tags which are not
1092 * associated with any HBQ.
1094 #define QUE_BUFTAG_BIT (1<<31)
1095 uint32_t buffer_tag_count;
1096 int wait_4_mlo_maint_flg;
1097 wait_queue_head_t wait_4_mlo_m_q;
1098 /* data structure used for latency data collection */
1099 #define LPFC_NO_BUCKET 0
1100 #define LPFC_LINEAR_BUCKET 1
1101 #define LPFC_POWER2_BUCKET 2
1102 uint8_t bucket_type;
1103 uint32_t bucket_base;
1104 uint32_t bucket_step;
1106 /* Maximum number of events that can be outstanding at any time*/
1107 #define LPFC_MAX_EVT_COUNT 512
1108 atomic_t fast_event_count;
1109 uint32_t fcoe_eventtag;
1110 uint32_t fcoe_eventtag_at_fcf_scan;
1111 uint32_t fcoe_cvl_eventtag;
1112 uint32_t fcoe_cvl_eventtag_attn;
1113 struct lpfc_fcf fcf;
1117 struct list_head fcf_conn_rec_list;
1119 bool defer_flogi_acc_flag;
1120 uint16_t defer_flogi_acc_rx_id;
1121 uint16_t defer_flogi_acc_ox_id;
1123 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1124 struct list_head ct_ev_waiters;
1125 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1129 struct lpfc_ras_fwlog ras_fwlog;
1131 uint8_t menlo_flag; /* menlo generic flags */
1132 #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
1136 uint8_t fips_spec_rev;
1138 spinlock_t devicelock; /* lock for luns list */
1139 mempool_t *device_data_mem_pool;
1140 struct list_head luns;
1141 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1142 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1143 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1144 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1145 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1146 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1147 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1148 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1149 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1150 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1152 uint16_t sfp_warning;
1154 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1155 uint16_t cpucheck_on;
1156 #define LPFC_CHECK_OFF 0
1157 #define LPFC_CHECK_NVME_IO 1
1158 #define LPFC_CHECK_NVMET_RCV 2
1159 #define LPFC_CHECK_NVMET_IO 4
1161 uint64_t ktime_data_samples;
1162 uint64_t ktime_status_samples;
1163 uint64_t ktime_last_cmd;
1164 uint64_t ktime_seg1_total;
1165 uint64_t ktime_seg1_min;
1166 uint64_t ktime_seg1_max;
1167 uint64_t ktime_seg2_total;
1168 uint64_t ktime_seg2_min;
1169 uint64_t ktime_seg2_max;
1170 uint64_t ktime_seg3_total;
1171 uint64_t ktime_seg3_min;
1172 uint64_t ktime_seg3_max;
1173 uint64_t ktime_seg4_total;
1174 uint64_t ktime_seg4_min;
1175 uint64_t ktime_seg4_max;
1176 uint64_t ktime_seg5_total;
1177 uint64_t ktime_seg5_min;
1178 uint64_t ktime_seg5_max;
1179 uint64_t ktime_seg6_total;
1180 uint64_t ktime_seg6_min;
1181 uint64_t ktime_seg6_max;
1182 uint64_t ktime_seg7_total;
1183 uint64_t ktime_seg7_min;
1184 uint64_t ktime_seg7_max;
1185 uint64_t ktime_seg8_total;
1186 uint64_t ktime_seg8_min;
1187 uint64_t ktime_seg8_max;
1188 uint64_t ktime_seg9_total;
1189 uint64_t ktime_seg9_min;
1190 uint64_t ktime_seg9_max;
1191 uint64_t ktime_seg10_total;
1192 uint64_t ktime_seg10_min;
1193 uint64_t ktime_seg10_max;
1197 static inline struct Scsi_Host *
1198 lpfc_shost_from_vport(struct lpfc_vport *vport)
1200 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1204 lpfc_set_loopback_flag(struct lpfc_hba *phba)
1206 if (phba->cfg_topology == FLAGS_LOCAL_LB)
1207 phba->link_flag |= LS_LOOPBACK_MODE;
1209 phba->link_flag &= ~LS_LOOPBACK_MODE;
1213 lpfc_is_link_up(struct lpfc_hba *phba)
1215 return phba->link_state == LPFC_LINK_UP ||
1216 phba->link_state == LPFC_CLEAR_LA ||
1217 phba->link_state == LPFC_HBA_READY;
1221 lpfc_worker_wake_up(struct lpfc_hba *phba)
1223 /* Set the lpfc data pending flag */
1224 set_bit(LPFC_DATA_READY, &phba->data_flags);
1226 /* Wake up worker thread */
1227 wake_up(&phba->work_waitq);
1232 lpfc_readl(void __iomem *addr, uint32_t *data)
1236 if (temp == 0xffffffff)
1243 lpfc_sli_read_hs(struct lpfc_hba *phba)
1246 * There was a link/board error. Read the status register to retrieve
1247 * the error event and process it.
1249 phba->sli.slistat.err_attn_event++;
1251 /* Save status info and check for unplug error */
1252 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1253 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1254 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1258 /* Clear chip Host Attention error bit */
1259 writel(HA_ERATT, phba->HAregaddr);
1260 readl(phba->HAregaddr); /* flush */
1261 phba->pport->stopped = 1;
1266 static inline struct lpfc_sli_ring *
1267 lpfc_phba_elsring(struct lpfc_hba *phba)
1269 /* Return NULL if sli_rev has become invalid due to bad fw */
1270 if (phba->sli_rev != LPFC_SLI_REV4 &&
1271 phba->sli_rev != LPFC_SLI_REV3 &&
1272 phba->sli_rev != LPFC_SLI_REV2)
1275 if (phba->sli_rev == LPFC_SLI_REV4) {
1276 if (phba->sli4_hba.els_wq)
1277 return phba->sli4_hba.els_wq->pring;
1281 return &phba->sli.sli3_ring[LPFC_ELS_RING];