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24#include <scsi/scsi_host.h>
25#include <linux/ktime.h>
26#include <linux/workqueue.h>
27
28#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
29#define CONFIG_SCSI_LPFC_DEBUG_FS
30#endif
31
32struct lpfc_sli2_slim;
33
34#define ELX_MODEL_NAME_SIZE 80
35
36#define LPFC_PCI_DEV_LP 0x1
37#define LPFC_PCI_DEV_OC 0x2
38
39#define LPFC_SLI_REV2 2
40#define LPFC_SLI_REV3 3
41#define LPFC_SLI_REV4 4
42
43#define LPFC_MAX_TARGET 4096
44#define LPFC_MAX_DISC_THREADS 64
45
46#define LPFC_MAX_NS_RETRY 3
47
48#define LPFC_CMD_PER_LUN 3
49#define LPFC_DEFAULT_SG_SEG_CNT 64
50#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128
51
52
53
54#define LPFC_MIN_SG_SLI4_BUF_SZ 0x800
55#define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128
56#define LPFC_MAX_SG_SEG_CNT_DIF 512
57#define LPFC_MAX_SG_SEG_CNT 4096
58#define LPFC_MIN_SG_SEG_CNT 32
59#define LPFC_MAX_SGL_SEG_CNT 512
60#define LPFC_MAX_BPL_SEG_CNT 4096
61#define LPFC_MAX_NVME_SEG_CNT 256
62
63#define LPFC_MAX_SGE_SIZE 0x80000000
64#define LPFC_IOCB_LIST_CNT 2250
65#define LPFC_Q_RAMP_UP_INTERVAL 120
66#define LPFC_VNAME_LEN 100
67#define LPFC_TGTQ_RAMPUP_PCENT 5
68#define LPFC_MIN_TGT_QDEPTH 10
69#define LPFC_MAX_TGT_QDEPTH 0xFFFF
70
71#define LPFC_MAX_BUCKET_COUNT 20
72
73
74
75
76
77
78
79#define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))
80
81
82#define LPFC_DISC_IOCB_BUFF_COUNT 20
83
84#define LPFC_HB_MBOX_INTERVAL 5
85#define LPFC_HB_MBOX_TIMEOUT 30
86
87
88#define LPFC_ERATT_POLL_INTERVAL 5
89
90
91#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
92#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
93#define getPaddr(high, low) ((dma_addr_t)( \
94 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
95
96#define LPFC_DRVR_TIMEOUT 16
97#define FC_MAX_ADPTMSG 64
98
99#define MAX_HBAEVT 32
100#define MAX_HBAS_NO_RESET 16
101
102
103#define LPFC_MSIX_VECTORS 2
104
105
106#define LPFC_DATA_READY 0
107
108
109#define LPFC_LBUF_SZ 128
110
111
112#define LPFC_MBX_NO_WAIT 0
113#define LPFC_MBX_WAIT 1
114
115enum lpfc_polling_flags {
116 ENABLE_FCP_RING_POLLING = 0x1,
117 DISABLE_FCP_RING_INT = 0x2
118};
119
120struct perf_prof {
121 uint16_t cmd_cpu[40];
122 uint16_t rsp_cpu[40];
123 uint16_t qh_cpu[40];
124 uint16_t wqidx[40];
125};
126
127
128
129
130
131
132#define LPFC_FC4_TYPE_BITMASK 0x00000100
133
134
135struct lpfc_dmabuf {
136 struct list_head list;
137 void *virt;
138 dma_addr_t phys;
139 uint32_t buffer_tag;
140};
141
142struct lpfc_nvmet_ctxbuf {
143 struct list_head list;
144 struct lpfc_nvmet_rcv_ctx *context;
145 struct lpfc_iocbq *iocbq;
146 struct lpfc_sglq *sglq;
147 struct work_struct defer_work;
148};
149
150struct lpfc_dma_pool {
151 struct lpfc_dmabuf *elements;
152 uint32_t max_count;
153 uint32_t current_count;
154};
155
156struct hbq_dmabuf {
157 struct lpfc_dmabuf hbuf;
158 struct lpfc_dmabuf dbuf;
159 uint16_t total_size;
160 uint16_t bytes_recv;
161 uint32_t tag;
162 struct lpfc_cq_event cq_event;
163 unsigned long time_stamp;
164 void *context;
165};
166
167struct rqb_dmabuf {
168 struct lpfc_dmabuf hbuf;
169 struct lpfc_dmabuf dbuf;
170 uint16_t total_size;
171 uint16_t bytes_recv;
172 uint16_t idx;
173 struct lpfc_queue *hrq;
174 struct lpfc_queue *drq;
175};
176
177
178#define MEM_PRI 0x100
179
180
181
182
183
184typedef struct lpfc_vpd {
185 uint32_t status;
186 uint32_t length;
187 struct {
188 uint32_t rsvd1;
189 uint32_t biuRev;
190 uint32_t smRev;
191 uint32_t smFwRev;
192 uint32_t endecRev;
193 uint16_t rBit;
194 uint8_t fcphHigh;
195 uint8_t fcphLow;
196 uint8_t feaLevelHigh;
197 uint8_t feaLevelLow;
198 uint32_t postKernRev;
199 uint32_t opFwRev;
200 uint8_t opFwName[16];
201 uint32_t sli1FwRev;
202 uint8_t sli1FwName[16];
203 uint32_t sli2FwRev;
204 uint8_t sli2FwName[16];
205 } rev;
206 struct {
207#ifdef __BIG_ENDIAN_BITFIELD
208 uint32_t rsvd3 :19;
209 uint32_t cdss : 1;
210 uint32_t rsvd2 : 3;
211 uint32_t cbg : 1;
212 uint32_t cmv : 1;
213 uint32_t ccrp : 1;
214 uint32_t csah : 1;
215 uint32_t chbs : 1;
216 uint32_t cinb : 1;
217 uint32_t cerbm : 1;
218 uint32_t cmx : 1;
219 uint32_t cmr : 1;
220#else
221 uint32_t cmr : 1;
222 uint32_t cmx : 1;
223 uint32_t cerbm : 1;
224 uint32_t cinb : 1;
225 uint32_t chbs : 1;
226 uint32_t csah : 1;
227 uint32_t ccrp : 1;
228 uint32_t cmv : 1;
229 uint32_t cbg : 1;
230 uint32_t rsvd2 : 3;
231 uint32_t cdss : 1;
232 uint32_t rsvd3 :19;
233#endif
234 } sli3Feat;
235} lpfc_vpd_t;
236
237
238
239
240
241struct lpfc_stats {
242
243 uint32_t elsLogiCol;
244 uint32_t elsRetryExceeded;
245 uint32_t elsXmitRetry;
246 uint32_t elsDelayRetry;
247 uint32_t elsRcvDrop;
248 uint32_t elsRcvFrame;
249 uint32_t elsRcvRSCN;
250 uint32_t elsRcvRNID;
251 uint32_t elsRcvFARP;
252 uint32_t elsRcvFARPR;
253 uint32_t elsRcvFLOGI;
254 uint32_t elsRcvPLOGI;
255 uint32_t elsRcvADISC;
256 uint32_t elsRcvPDISC;
257 uint32_t elsRcvFAN;
258 uint32_t elsRcvLOGO;
259 uint32_t elsRcvPRLO;
260 uint32_t elsRcvPRLI;
261 uint32_t elsRcvLIRR;
262 uint32_t elsRcvRLS;
263 uint32_t elsRcvRPS;
264 uint32_t elsRcvRPL;
265 uint32_t elsRcvRRQ;
266 uint32_t elsRcvRTV;
267 uint32_t elsRcvECHO;
268 uint32_t elsRcvLCB;
269 uint32_t elsRcvRDP;
270 uint32_t elsXmitFLOGI;
271 uint32_t elsXmitFDISC;
272 uint32_t elsXmitPLOGI;
273 uint32_t elsXmitPRLI;
274 uint32_t elsXmitADISC;
275 uint32_t elsXmitLOGO;
276 uint32_t elsXmitSCR;
277 uint32_t elsXmitRNID;
278 uint32_t elsXmitFARP;
279 uint32_t elsXmitFARPR;
280 uint32_t elsXmitACC;
281 uint32_t elsXmitLSRJT;
282
283 uint32_t frameRcvBcast;
284 uint32_t frameRcvMulti;
285 uint32_t strayXmitCmpl;
286 uint32_t frameXmitDelay;
287 uint32_t xriCmdCmpl;
288 uint32_t xriStatErr;
289 uint32_t LinkUp;
290 uint32_t LinkDown;
291 uint32_t LinkMultiEvent;
292 uint32_t NoRcvBuf;
293 uint32_t fcpCmd;
294 uint32_t fcpCmpl;
295 uint32_t fcpRspErr;
296 uint32_t fcpRemoteStop;
297 uint32_t fcpPortRjt;
298 uint32_t fcpPortBusy;
299 uint32_t fcpError;
300 uint32_t fcpLocalErr;
301};
302
303struct lpfc_hba;
304
305
306enum discovery_state {
307 LPFC_VPORT_UNKNOWN = 0,
308 LPFC_VPORT_FAILED = 1,
309 LPFC_LOCAL_CFG_LINK = 6,
310 LPFC_FLOGI = 7,
311 LPFC_FDISC = 8,
312 LPFC_FABRIC_CFG_LINK = 9,
313
314 LPFC_NS_REG = 10,
315 LPFC_NS_QRY = 11,
316 LPFC_BUILD_DISC_LIST = 12,
317
318 LPFC_DISC_AUTH = 13,
319 LPFC_VPORT_READY = 32,
320};
321
322enum hba_state {
323 LPFC_LINK_UNKNOWN = 0,
324 LPFC_WARM_START = 1,
325 LPFC_INIT_START = 2,
326 LPFC_INIT_MBX_CMDS = 3,
327 LPFC_LINK_DOWN = 4,
328 LPFC_LINK_UP = 5,
329 LPFC_CLEAR_LA = 6,
330
331 LPFC_HBA_READY = 32,
332 LPFC_HBA_ERROR = -1
333};
334
335struct lpfc_trunk_link_state {
336 enum hba_state state;
337 uint8_t fault;
338};
339
340struct lpfc_trunk_link {
341 struct lpfc_trunk_link_state link0,
342 link1,
343 link2,
344 link3;
345};
346
347struct lpfc_vport {
348 struct lpfc_hba *phba;
349 struct list_head listentry;
350 uint8_t port_type;
351#define LPFC_PHYSICAL_PORT 1
352#define LPFC_NPIV_PORT 2
353#define LPFC_FABRIC_PORT 3
354 enum discovery_state port_state;
355
356 uint16_t vpi;
357 uint16_t vfi;
358 uint8_t vpi_state;
359#define LPFC_VPI_REGISTERED 0x1
360
361 uint32_t fc_flag;
362
363
364
365#define FC_PT2PT 0x1
366#define FC_PT2PT_PLOGI 0x2
367#define FC_DISC_TMO 0x4
368#define FC_PUBLIC_LOOP 0x8
369#define FC_LBIT 0x10
370#define FC_RSCN_MODE 0x20
371#define FC_NLP_MORE 0x40
372#define FC_OFFLINE_MODE 0x80
373#define FC_FABRIC 0x100
374#define FC_VPORT_LOGO_RCVD 0x200
375#define FC_RSCN_DISCOVERY 0x400
376#define FC_LOGO_RCVD_DID_CHNG 0x800
377#define FC_SCSI_SCAN_TMO 0x4000
378#define FC_ABORT_DISCOVERY 0x8000
379#define FC_NDISC_ACTIVE 0x10000
380#define FC_BYPASSED_MODE 0x20000
381#define FC_VPORT_NEEDS_REG_VPI 0x80000
382#define FC_RSCN_DEFERRED 0x100000
383#define FC_VPORT_NEEDS_INIT_VPI 0x200000
384#define FC_VPORT_CVL_RCVD 0x400000
385#define FC_VFI_REGISTERED 0x800000
386#define FC_FDISC_COMPLETED 0x1000000
387#define FC_DISC_DELAYED 0x2000000
388
389 uint32_t ct_flags;
390#define FC_CT_RFF_ID 0x1
391#define FC_CT_RNN_ID 0x2
392#define FC_CT_RSNN_NN 0x4
393#define FC_CT_RSPN_ID 0x8
394#define FC_CT_RFT_ID 0x10
395
396 struct list_head fc_nodes;
397
398
399 uint16_t fc_plogi_cnt;
400 uint16_t fc_adisc_cnt;
401 uint16_t fc_reglogin_cnt;
402 uint16_t fc_prli_cnt;
403 uint16_t fc_unmap_cnt;
404 uint16_t fc_map_cnt;
405 uint16_t fc_npr_cnt;
406 uint16_t fc_unused_cnt;
407 struct serv_parm fc_sparam;
408
409 uint32_t fc_myDID;
410 uint32_t fc_prevDID;
411 struct lpfc_name fabric_portname;
412 struct lpfc_name fabric_nodename;
413
414 int32_t stopped;
415 uint8_t fc_linkspeed;
416
417 uint32_t num_disc_nodes;
418 uint32_t gidft_inp;
419
420 uint32_t fc_nlp_cnt;
421 uint32_t fc_rscn_id_cnt;
422 uint32_t fc_rscn_flush;
423 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
424 struct lpfc_name fc_nodename;
425 struct lpfc_name fc_portname;
426
427 struct lpfc_work_evt disc_timeout_evt;
428
429 struct timer_list fc_disctmo;
430 uint8_t fc_ns_retry;
431 uint32_t fc_prli_sent;
432
433 spinlock_t work_port_lock;
434 uint32_t work_port_events;
435#define WORKER_DISC_TMO 0x1
436#define WORKER_ELS_TMO 0x2
437#define WORKER_DELAYED_DISC_TMO 0x8
438
439#define WORKER_MBOX_TMO 0x100
440#define WORKER_HB_TMO 0x200
441#define WORKER_FABRIC_BLOCK_TMO 0x400
442#define WORKER_RAMP_DOWN_QUEUE 0x800
443#define WORKER_RAMP_UP_QUEUE 0x1000
444#define WORKER_SERVICE_TXQ 0x2000
445
446 struct timer_list els_tmofunc;
447 struct timer_list delayed_disc_tmo;
448
449 int unreg_vpi_cmpl;
450
451 uint8_t load_flag;
452#define FC_LOADING 0x1
453#define FC_UNLOADING 0x2
454#define FC_ALLOW_FDMI 0x4
455
456 uint32_t cfg_scan_down;
457 uint32_t cfg_lun_queue_depth;
458 uint32_t cfg_nodev_tmo;
459 uint32_t cfg_devloss_tmo;
460 uint32_t cfg_restrict_login;
461 uint32_t cfg_peer_port_login;
462 uint32_t cfg_fcp_class;
463 uint32_t cfg_use_adisc;
464 uint32_t cfg_discovery_threads;
465 uint32_t cfg_log_verbose;
466 uint32_t cfg_enable_fc4_type;
467 uint32_t cfg_max_luns;
468 uint32_t cfg_enable_da_id;
469 uint32_t cfg_max_scsicmpl_time;
470 uint32_t cfg_tgt_queue_depth;
471 uint32_t cfg_first_burst_size;
472 uint32_t dev_loss_tmo_changed;
473
474 struct fc_vport *fc_vport;
475
476#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
477 struct dentry *debug_disc_trc;
478 struct dentry *debug_nodelist;
479 struct dentry *debug_nvmestat;
480 struct dentry *debug_scsistat;
481 struct dentry *debug_nvmektime;
482 struct dentry *debug_cpucheck;
483 struct dentry *vport_debugfs_root;
484 struct lpfc_debugfs_trc *disc_trc;
485 atomic_t disc_trc_cnt;
486#endif
487 uint8_t stat_data_enabled;
488 uint8_t stat_data_blocked;
489 struct list_head rcv_buffer_list;
490 unsigned long rcv_buffer_time_stamp;
491 uint32_t vport_flag;
492#define STATIC_VPORT 1
493#define FAWWPN_SET 2
494#define FAWWPN_PARAM_CHG 4
495
496 uint16_t fdmi_num_disc;
497 uint32_t fdmi_hba_mask;
498 uint32_t fdmi_port_mask;
499
500
501 struct nvme_fc_local_port *localport;
502 uint8_t nvmei_support;
503 uint32_t last_fcp_wqidx;
504 uint32_t rcv_flogi_cnt;
505};
506
507struct hbq_s {
508 uint16_t entry_count;
509 uint16_t buffer_count;
510 uint32_t next_hbqPutIdx;
511 uint32_t hbqPutIdx;
512 uint32_t local_hbqGetIdx;
513 void *hbq_virt;
514 struct list_head hbq_buffer_list;
515
516 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
517
518 void (*hbq_free_buffer) (struct lpfc_hba *,
519 struct hbq_dmabuf *);
520};
521
522
523#define LPFC_ELS_HBQ 0
524#define LPFC_MAX_HBQS 1
525
526enum hba_temp_state {
527 HBA_NORMAL_TEMP,
528 HBA_OVER_TEMP
529};
530
531enum intr_type_t {
532 NONE = 0,
533 INTx,
534 MSI,
535 MSIX,
536};
537
538#define LPFC_CT_CTX_MAX 64
539struct unsol_rcv_ct_ctx {
540 uint32_t ctxt_id;
541 uint32_t SID;
542 uint32_t valid;
543#define UNSOL_INVALID 0
544#define UNSOL_VALID 1
545 uint16_t oxid;
546 uint16_t rxid;
547};
548
549#define LPFC_USER_LINK_SPEED_AUTO 0
550#define LPFC_USER_LINK_SPEED_1G 1
551#define LPFC_USER_LINK_SPEED_2G 2
552#define LPFC_USER_LINK_SPEED_4G 4
553#define LPFC_USER_LINK_SPEED_8G 8
554#define LPFC_USER_LINK_SPEED_10G 10
555#define LPFC_USER_LINK_SPEED_16G 16
556#define LPFC_USER_LINK_SPEED_32G 32
557#define LPFC_USER_LINK_SPEED_64G 64
558#define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G
559
560#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
561
562enum nemb_type {
563 nemb_mse = 1,
564 nemb_hbd
565};
566
567enum mbox_type {
568 mbox_rd = 1,
569 mbox_wr
570};
571
572enum dma_type {
573 dma_mbox = 1,
574 dma_ebuf
575};
576
577enum sta_type {
578 sta_pre_addr = 1,
579 sta_pos_addr
580};
581
582struct lpfc_mbox_ext_buf_ctx {
583 uint32_t state;
584#define LPFC_BSG_MBOX_IDLE 0
585#define LPFC_BSG_MBOX_HOST 1
586#define LPFC_BSG_MBOX_PORT 2
587#define LPFC_BSG_MBOX_DONE 3
588#define LPFC_BSG_MBOX_ABTS 4
589 enum nemb_type nembType;
590 enum mbox_type mboxType;
591 uint32_t numBuf;
592 uint32_t mbxTag;
593 uint32_t seqNum;
594 struct lpfc_dmabuf *mbx_dmabuf;
595 struct list_head ext_dmabuf_list;
596};
597
598struct lpfc_epd_pool {
599
600 struct list_head list;
601 u32 count;
602 spinlock_t lock;
603};
604
605struct lpfc_ras_fwlog {
606 uint8_t *fwlog_buff;
607 uint32_t fw_buffcount;
608#define LPFC_RAS_BUFF_ENTERIES 16
609#define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
610#define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
611#define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
612 uint32_t fw_loglevel;
613 struct lpfc_dmabuf lwpd;
614 struct list_head fwlog_buff_list;
615
616
617 bool ras_hwsupport;
618 bool ras_enabled;
619#define LPFC_RAS_DISABLE_LOGGING 0x00
620#define LPFC_RAS_ENABLE_LOGGING 0x01
621 bool ras_active;
622};
623
624struct lpfc_hba {
625
626 struct lpfc_io_buf * (*lpfc_get_scsi_buf)
627 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
628 struct scsi_cmnd *cmnd);
629 int (*lpfc_scsi_prep_dma_buf)
630 (struct lpfc_hba *, struct lpfc_io_buf *);
631 void (*lpfc_scsi_unprep_dma_buf)
632 (struct lpfc_hba *, struct lpfc_io_buf *);
633 void (*lpfc_release_scsi_buf)
634 (struct lpfc_hba *, struct lpfc_io_buf *);
635 void (*lpfc_rampdown_queue_depth)
636 (struct lpfc_hba *);
637 void (*lpfc_scsi_prep_cmnd)
638 (struct lpfc_vport *, struct lpfc_io_buf *,
639 struct lpfc_nodelist *);
640
641
642 int (*__lpfc_sli_issue_iocb)
643 (struct lpfc_hba *, uint32_t,
644 struct lpfc_iocbq *, uint32_t);
645 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
646 struct lpfc_iocbq *);
647 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
648 IOCB_t * (*lpfc_get_iocb_from_iocbq)
649 (struct lpfc_iocbq *);
650 void (*lpfc_scsi_cmd_iocb_cmpl)
651 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
652
653
654 int (*lpfc_sli_issue_mbox)
655 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
656
657
658 void (*lpfc_sli_handle_slow_ring_event)
659 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
660 uint32_t mask);
661
662
663 int (*lpfc_sli_hbq_to_firmware)
664 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
665 int (*lpfc_sli_brdrestart)
666 (struct lpfc_hba *);
667 int (*lpfc_sli_brdready)
668 (struct lpfc_hba *, uint32_t);
669 void (*lpfc_handle_eratt)
670 (struct lpfc_hba *);
671 void (*lpfc_stop_port)
672 (struct lpfc_hba *);
673 int (*lpfc_hba_init_link)
674 (struct lpfc_hba *, uint32_t);
675 int (*lpfc_hba_down_link)
676 (struct lpfc_hba *, uint32_t);
677 int (*lpfc_selective_reset)
678 (struct lpfc_hba *);
679
680 int (*lpfc_bg_scsi_prep_dma_buf)
681 (struct lpfc_hba *, struct lpfc_io_buf *);
682
683
684
685 struct lpfc_epd_pool epd_pool;
686
687
688 struct lpfc_sli4_hba sli4_hba;
689
690 struct workqueue_struct *wq;
691 struct delayed_work eq_delay_work;
692
693 struct lpfc_sli sli;
694 uint8_t pci_dev_grp;
695 uint32_t sli_rev;
696 uint32_t sli3_options;
697#define LPFC_SLI3_HBQ_ENABLED 0x01
698#define LPFC_SLI3_NPIV_ENABLED 0x02
699#define LPFC_SLI3_VPORT_TEARDOWN 0x04
700#define LPFC_SLI3_CRP_ENABLED 0x08
701#define LPFC_SLI3_BG_ENABLED 0x20
702#define LPFC_SLI3_DSS_ENABLED 0x40
703#define LPFC_SLI4_PERFH_ENABLED 0x80
704#define LPFC_SLI4_PHWQ_ENABLED 0x100
705 uint32_t iocb_cmd_size;
706 uint32_t iocb_rsp_size;
707
708 struct lpfc_trunk_link trunk_link;
709 enum hba_state link_state;
710 uint32_t link_flag;
711#define LS_LOOPBACK_MODE 0x1
712
713
714#define LS_NPIV_FAB_SUPPORTED 0x2
715#define LS_IGNORE_ERATT 0x4
716#define LS_MDS_LINK_DOWN 0x8
717#define LS_MDS_LOOPBACK 0x10
718
719 uint32_t hba_flag;
720#define HBA_ERATT_HANDLED 0x1
721#define DEFER_ERATT 0x2
722#define HBA_FCOE_MODE 0x4
723#define HBA_SP_QUEUE_EVT 0x8
724#define HBA_POST_RECEIVE_BUFFER 0x10
725#define ELS_XRI_ABORT_EVENT 0x40
726#define ASYNC_EVENT 0x80
727#define LINK_DISABLED 0x100
728#define FCF_TS_INPROG 0x200
729#define FCF_RR_INPROG 0x400
730#define HBA_FIP_SUPPORT 0x800
731#define HBA_AER_ENABLED 0x1000
732#define HBA_DEVLOSS_TMO 0x2000
733#define HBA_RRQ_ACTIVE 0x4000
734#define HBA_FCP_IOQ_FLUSH 0x8000
735#define HBA_FW_DUMP_OP 0x10000
736#define HBA_RECOVERABLE_UE 0x20000
737#define HBA_FORCED_LINK_SPEED 0x40000
738
739
740
741#define HBA_NVME_IOQ_FLUSH 0x80000
742#define HBA_FLOGI_ISSUED 0x100000
743
744 uint32_t fcp_ring_in_use;
745 struct lpfc_dmabuf slim2p;
746
747 MAILBOX_t *mbox;
748 uint32_t *mbox_ext;
749 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
750 uint32_t ha_copy;
751 struct _PCB *pcb;
752 struct _IOCB *IOCBs;
753
754 struct lpfc_dmabuf hbqslimp;
755
756 uint16_t pci_cfg_value;
757
758 uint8_t fc_linkspeed;
759
760 uint32_t fc_eventTag;
761 uint32_t link_events;
762
763
764 uint32_t fc_pref_DID;
765 uint8_t fc_pref_ALPA;
766 uint32_t fc_edtovResol;
767 uint32_t fc_edtov;
768 uint32_t fc_arbtov;
769 uint32_t fc_ratov;
770 uint32_t fc_rttov;
771 uint32_t fc_altov;
772 uint32_t fc_crtov;
773
774 struct serv_parm fc_fabparam;
775 uint8_t alpa_map[128];
776
777 uint32_t lmt;
778
779 uint32_t fc_topology;
780 uint32_t fc_topology_changed;
781
782 struct lpfc_stats fc_stat;
783
784 struct lpfc_nodelist fc_fcpnodev;
785 uint32_t nport_event_cnt;
786
787 uint8_t wwnn[8];
788 uint8_t wwpn[8];
789 uint32_t RandomData[7];
790 uint8_t fcp_embed_io;
791 uint8_t nvme_support;
792 uint8_t nvmet_support;
793#define LPFC_NVMET_MAX_PORTS 32
794 uint8_t mds_diags_support;
795 uint8_t bbcredit_support;
796 uint8_t enab_exp_wqcq_pages;
797
798
799 uint32_t cfg_ack0;
800 uint32_t cfg_xri_rebalancing;
801 uint32_t cfg_enable_npiv;
802 uint32_t cfg_enable_rrq;
803 uint32_t cfg_topology;
804 uint32_t cfg_link_speed;
805#define LPFC_FCF_FOV 1
806#define LPFC_FCF_PRIORITY 2
807 uint32_t cfg_fcf_failover_policy;
808 uint32_t cfg_fcp_io_sched;
809 uint32_t cfg_ns_query;
810 uint32_t cfg_fcp2_no_tgt_reset;
811 uint32_t cfg_cr_delay;
812 uint32_t cfg_cr_count;
813 uint32_t cfg_multi_ring_support;
814 uint32_t cfg_multi_ring_rctl;
815 uint32_t cfg_multi_ring_type;
816 uint32_t cfg_poll;
817 uint32_t cfg_poll_tmo;
818 uint32_t cfg_task_mgmt_tmo;
819 uint32_t cfg_use_msi;
820 uint32_t cfg_auto_imax;
821 uint32_t cfg_fcp_imax;
822 uint32_t cfg_cq_poll_threshold;
823 uint32_t cfg_cq_max_proc_limit;
824 uint32_t cfg_fcp_cpu_map;
825 uint32_t cfg_hdw_queue;
826 uint32_t cfg_irq_chann;
827 uint32_t cfg_suppress_rsp;
828 uint32_t cfg_nvme_oas;
829 uint32_t cfg_nvme_embed_cmd;
830 uint32_t cfg_nvmet_mrq_post;
831 uint32_t cfg_nvmet_mrq;
832 uint32_t cfg_enable_nvmet;
833 uint32_t cfg_nvme_enable_fb;
834 uint32_t cfg_nvmet_fb_size;
835 uint32_t cfg_total_seg_cnt;
836 uint32_t cfg_sg_seg_cnt;
837 uint32_t cfg_nvme_seg_cnt;
838 uint32_t cfg_scsi_seg_cnt;
839 uint32_t cfg_sg_dma_buf_size;
840 uint64_t cfg_soft_wwnn;
841 uint64_t cfg_soft_wwpn;
842 uint32_t cfg_hba_queue_depth;
843 uint32_t cfg_enable_hba_reset;
844 uint32_t cfg_enable_hba_heartbeat;
845 uint32_t cfg_fof;
846 uint32_t cfg_EnableXLane;
847 uint8_t cfg_oas_tgt_wwpn[8];
848 uint8_t cfg_oas_vpt_wwpn[8];
849 uint32_t cfg_oas_lun_state;
850#define OAS_LUN_ENABLE 1
851#define OAS_LUN_DISABLE 0
852 uint32_t cfg_oas_lun_status;
853#define OAS_LUN_STATUS_EXISTS 0x01
854 uint32_t cfg_oas_flags;
855#define OAS_FIND_ANY_VPORT 0x01
856#define OAS_FIND_ANY_TARGET 0x02
857#define OAS_LUN_VALID 0x04
858 uint32_t cfg_oas_priority;
859 uint32_t cfg_XLanePriority;
860 uint32_t cfg_enable_bg;
861 uint32_t cfg_prot_mask;
862 uint32_t cfg_prot_guard;
863 uint32_t cfg_hostmem_hgp;
864 uint32_t cfg_log_verbose;
865 uint32_t cfg_enable_fc4_type;
866 uint32_t cfg_aer_support;
867 uint32_t cfg_sriov_nr_virtfn;
868 uint32_t cfg_request_firmware_upgrade;
869 uint32_t cfg_iocb_cnt;
870 uint32_t cfg_suppress_link_up;
871 uint32_t cfg_rrq_xri_bitmap_sz;
872 uint32_t cfg_delay_discovery;
873 uint32_t cfg_sli_mode;
874#define LPFC_INITIALIZE_LINK 0
875#define LPFC_DELAY_INIT_LINK 1
876#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2
877 uint32_t cfg_enable_dss;
878 uint32_t cfg_fdmi_on;
879#define LPFC_FDMI_NO_SUPPORT 0
880#define LPFC_FDMI_SUPPORT 1
881 uint32_t cfg_enable_SmartSAN;
882 uint32_t cfg_enable_mds_diags;
883 uint32_t cfg_ras_fwlog_level;
884 uint32_t cfg_ras_fwlog_buffsize;
885 uint32_t cfg_ras_fwlog_func;
886 uint32_t cfg_enable_bbcr;
887 uint32_t cfg_enable_dpp;
888#define LPFC_ENABLE_FCP 1
889#define LPFC_ENABLE_NVME 2
890#define LPFC_ENABLE_BOTH 3
891 uint32_t cfg_enable_pbde;
892 struct nvmet_fc_target_port *targetport;
893 lpfc_vpd_t vpd;
894
895 struct pci_dev *pcidev;
896 struct list_head work_list;
897 uint32_t work_ha;
898 uint32_t work_ha_mask;
899 uint32_t work_hs;
900 uint32_t work_status[2];
901
902 wait_queue_head_t work_waitq;
903 struct task_struct *worker_thread;
904 unsigned long data_flags;
905
906 uint32_t hbq_in_use;
907 uint32_t hbq_count;
908 struct hbq_s hbqs[LPFC_MAX_HBQS];
909
910 atomic_t fcp_qidx;
911 atomic_t nvme_qidx;
912
913 phys_addr_t pci_bar0_map;
914 phys_addr_t pci_bar1_map;
915 phys_addr_t pci_bar2_map;
916 void __iomem *slim_memmap_p;
917
918 void __iomem *ctrl_regs_memmap_p;
919
920
921 void __iomem *pci_bar0_memmap_p;
922
923 void __iomem *pci_bar2_memmap_p;
924
925 void __iomem *pci_bar4_memmap_p;
926
927#define PCI_64BIT_BAR0 0
928#define PCI_64BIT_BAR2 2
929#define PCI_64BIT_BAR4 4
930 void __iomem *MBslimaddr;
931 void __iomem *HAregaddr;
932 void __iomem *CAregaddr;
933 void __iomem *HSregaddr;
934
935 void __iomem *HCregaddr;
936
937 struct lpfc_hgp __iomem *host_gp;
938 struct lpfc_pgp *port_gp;
939 uint32_t __iomem *hbq_put;
940 uint32_t *hbq_get;
941
942 int brd_no;
943 char SerialNumber[32];
944 char OptionROMVersion[32];
945 char ModelDesc[256];
946 char ModelName[80];
947 char ProgramType[256];
948 char Port[20];
949 uint8_t vpd_flag;
950
951#define VPD_MODEL_DESC 0x1
952#define VPD_MODEL_NAME 0x2
953#define VPD_PROGRAM_TYPE 0x4
954#define VPD_PORT 0x8
955#define VPD_MASK 0xf
956
957 uint8_t soft_wwn_enable;
958
959 struct timer_list fcp_poll_timer;
960 struct timer_list eratt_poll;
961 uint32_t eratt_poll_interval;
962
963 uint64_t bg_guard_err_cnt;
964 uint64_t bg_apptag_err_cnt;
965 uint64_t bg_reftag_err_cnt;
966
967
968 spinlock_t scsi_buf_list_get_lock;
969 spinlock_t scsi_buf_list_put_lock;
970 struct list_head lpfc_scsi_buf_list_get;
971 struct list_head lpfc_scsi_buf_list_put;
972 uint32_t total_scsi_bufs;
973 struct list_head lpfc_iocb_list;
974 uint32_t total_iocbq_bufs;
975 struct list_head active_rrq_list;
976 spinlock_t hbalock;
977
978
979 struct dma_pool *lpfc_sg_dma_buf_pool;
980 struct dma_pool *lpfc_mbuf_pool;
981 struct dma_pool *lpfc_hrb_pool;
982 struct dma_pool *lpfc_drb_pool;
983 struct dma_pool *lpfc_nvmet_drb_pool;
984 struct dma_pool *lpfc_hbq_pool;
985 struct dma_pool *txrdy_payload_pool;
986 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
987
988 mempool_t *mbox_mem_pool;
989 mempool_t *nlp_mem_pool;
990 mempool_t *rrq_pool;
991 mempool_t *active_rrq_pool;
992
993 struct fc_host_statistics link_stats;
994 enum intr_type_t intr_type;
995 uint32_t intr_mode;
996#define LPFC_INTR_ERROR 0xFFFFFFFF
997 struct list_head port_list;
998 spinlock_t port_list_lock;
999 struct lpfc_vport *pport;
1000 uint16_t max_vpi;
1001#define LPFC_MAX_VPI 0xFF
1002#define LPFC_MAX_VPORTS 0x100
1003 uint16_t max_vports;
1004
1005
1006
1007
1008
1009 uint16_t vpi_base;
1010 uint16_t vfi_base;
1011 unsigned long *vpi_bmask;
1012 uint16_t *vpi_ids;
1013 uint16_t vpi_count;
1014 struct list_head lpfc_vpi_blk_list;
1015
1016
1017 struct list_head fabric_iocb_list;
1018 atomic_t fabric_iocb_count;
1019 struct timer_list fabric_block_timer;
1020 unsigned long bit_flags;
1021#define FABRIC_COMANDS_BLOCKED 0
1022 atomic_t num_rsrc_err;
1023 atomic_t num_cmd_success;
1024 unsigned long last_rsrc_error_time;
1025 unsigned long last_ramp_down_time;
1026#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1027 struct dentry *hba_debugfs_root;
1028 atomic_t debugfs_vport_count;
1029 struct dentry *debug_multixri_pools;
1030 struct dentry *debug_hbqinfo;
1031 struct dentry *debug_dumpHostSlim;
1032 struct dentry *debug_dumpHBASlim;
1033 struct dentry *debug_dumpData;
1034 struct dentry *debug_dumpDif;
1035 struct dentry *debug_InjErrLBA;
1036 struct dentry *debug_InjErrNPortID;
1037 struct dentry *debug_InjErrWWPN;
1038 struct dentry *debug_writeGuard;
1039 struct dentry *debug_writeApp;
1040 struct dentry *debug_writeRef;
1041 struct dentry *debug_readGuard;
1042 struct dentry *debug_readApp;
1043 struct dentry *debug_readRef;
1044
1045 struct dentry *debug_nvmeio_trc;
1046 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1047 struct dentry *debug_hdwqinfo;
1048#ifdef LPFC_HDWQ_LOCK_STAT
1049 struct dentry *debug_lockstat;
1050#endif
1051 atomic_t nvmeio_trc_cnt;
1052 uint32_t nvmeio_trc_size;
1053 uint32_t nvmeio_trc_output_idx;
1054
1055
1056 uint32_t lpfc_injerr_wgrd_cnt;
1057 uint32_t lpfc_injerr_wapp_cnt;
1058 uint32_t lpfc_injerr_wref_cnt;
1059 uint32_t lpfc_injerr_rgrd_cnt;
1060 uint32_t lpfc_injerr_rapp_cnt;
1061 uint32_t lpfc_injerr_rref_cnt;
1062 uint32_t lpfc_injerr_nportid;
1063 struct lpfc_name lpfc_injerr_wwpn;
1064 sector_t lpfc_injerr_lba;
1065#define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1066
1067 struct dentry *debug_slow_ring_trc;
1068 struct lpfc_debugfs_trc *slow_ring_trc;
1069 atomic_t slow_ring_trc_cnt;
1070
1071 struct dentry *idiag_root;
1072 struct dentry *idiag_pci_cfg;
1073 struct dentry *idiag_bar_acc;
1074 struct dentry *idiag_que_info;
1075 struct dentry *idiag_que_acc;
1076 struct dentry *idiag_drb_acc;
1077 struct dentry *idiag_ctl_acc;
1078 struct dentry *idiag_mbx_acc;
1079 struct dentry *idiag_ext_acc;
1080 uint8_t lpfc_idiag_last_eq;
1081#endif
1082 uint16_t nvmeio_trc_on;
1083
1084
1085 struct list_head elsbuf;
1086 int elsbuf_cnt;
1087 int elsbuf_prev_cnt;
1088
1089 uint8_t temp_sensor_support;
1090
1091 unsigned long last_completion_time;
1092 unsigned long skipped_hb;
1093 struct timer_list hb_tmofunc;
1094 uint8_t hb_outstanding;
1095 struct timer_list rrq_tmr;
1096 enum hba_temp_state over_temp_state;
1097
1098 spinlock_t ndlp_lock;
1099
1100
1101
1102
1103#define QUE_BUFTAG_BIT (1<<31)
1104 uint32_t buffer_tag_count;
1105 int wait_4_mlo_maint_flg;
1106 wait_queue_head_t wait_4_mlo_m_q;
1107
1108#define LPFC_NO_BUCKET 0
1109#define LPFC_LINEAR_BUCKET 1
1110#define LPFC_POWER2_BUCKET 2
1111 uint8_t bucket_type;
1112 uint32_t bucket_base;
1113 uint32_t bucket_step;
1114
1115
1116#define LPFC_MAX_EVT_COUNT 512
1117 atomic_t fast_event_count;
1118 uint32_t fcoe_eventtag;
1119 uint32_t fcoe_eventtag_at_fcf_scan;
1120 uint32_t fcoe_cvl_eventtag;
1121 uint32_t fcoe_cvl_eventtag_attn;
1122 struct lpfc_fcf fcf;
1123 uint8_t fc_map[3];
1124 uint8_t valid_vlan;
1125 uint16_t vlan_id;
1126 struct list_head fcf_conn_rec_list;
1127
1128 bool defer_flogi_acc_flag;
1129 uint16_t defer_flogi_acc_rx_id;
1130 uint16_t defer_flogi_acc_ox_id;
1131
1132 spinlock_t ct_ev_lock;
1133 struct list_head ct_ev_waiters;
1134 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1135 uint32_t ctx_idx;
1136
1137
1138 struct lpfc_ras_fwlog ras_fwlog;
1139
1140 uint8_t menlo_flag;
1141#define HBA_MENLO_SUPPORT 0x1
1142 uint32_t iocb_cnt;
1143 uint32_t iocb_max;
1144 atomic_t sdev_cnt;
1145 uint8_t fips_spec_rev;
1146 uint8_t fips_level;
1147 spinlock_t devicelock;
1148 mempool_t *device_data_mem_pool;
1149 struct list_head luns;
1150#define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1151#define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1152#define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1153#define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1154#define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1155#define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1156#define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1157#define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1158#define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1159#define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1160 uint16_t sfp_alarm;
1161 uint16_t sfp_warning;
1162
1163#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1164 uint16_t cpucheck_on;
1165#define LPFC_CHECK_OFF 0
1166#define LPFC_CHECK_NVME_IO 1
1167#define LPFC_CHECK_NVMET_RCV 2
1168#define LPFC_CHECK_NVMET_IO 4
1169#define LPFC_CHECK_SCSI_IO 8
1170 uint16_t ktime_on;
1171 uint64_t ktime_data_samples;
1172 uint64_t ktime_status_samples;
1173 uint64_t ktime_last_cmd;
1174 uint64_t ktime_seg1_total;
1175 uint64_t ktime_seg1_min;
1176 uint64_t ktime_seg1_max;
1177 uint64_t ktime_seg2_total;
1178 uint64_t ktime_seg2_min;
1179 uint64_t ktime_seg2_max;
1180 uint64_t ktime_seg3_total;
1181 uint64_t ktime_seg3_min;
1182 uint64_t ktime_seg3_max;
1183 uint64_t ktime_seg4_total;
1184 uint64_t ktime_seg4_min;
1185 uint64_t ktime_seg4_max;
1186 uint64_t ktime_seg5_total;
1187 uint64_t ktime_seg5_min;
1188 uint64_t ktime_seg5_max;
1189 uint64_t ktime_seg6_total;
1190 uint64_t ktime_seg6_min;
1191 uint64_t ktime_seg6_max;
1192 uint64_t ktime_seg7_total;
1193 uint64_t ktime_seg7_min;
1194 uint64_t ktime_seg7_max;
1195 uint64_t ktime_seg8_total;
1196 uint64_t ktime_seg8_min;
1197 uint64_t ktime_seg8_max;
1198 uint64_t ktime_seg9_total;
1199 uint64_t ktime_seg9_min;
1200 uint64_t ktime_seg9_max;
1201 uint64_t ktime_seg10_total;
1202 uint64_t ktime_seg10_min;
1203 uint64_t ktime_seg10_max;
1204#endif
1205};
1206
1207static inline struct Scsi_Host *
1208lpfc_shost_from_vport(struct lpfc_vport *vport)
1209{
1210 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1211}
1212
1213static inline void
1214lpfc_set_loopback_flag(struct lpfc_hba *phba)
1215{
1216 if (phba->cfg_topology == FLAGS_LOCAL_LB)
1217 phba->link_flag |= LS_LOOPBACK_MODE;
1218 else
1219 phba->link_flag &= ~LS_LOOPBACK_MODE;
1220}
1221
1222static inline int
1223lpfc_is_link_up(struct lpfc_hba *phba)
1224{
1225 return phba->link_state == LPFC_LINK_UP ||
1226 phba->link_state == LPFC_CLEAR_LA ||
1227 phba->link_state == LPFC_HBA_READY;
1228}
1229
1230static inline void
1231lpfc_worker_wake_up(struct lpfc_hba *phba)
1232{
1233
1234 set_bit(LPFC_DATA_READY, &phba->data_flags);
1235
1236
1237 wake_up(&phba->work_waitq);
1238 return;
1239}
1240
1241static inline int
1242lpfc_readl(void __iomem *addr, uint32_t *data)
1243{
1244 uint32_t temp;
1245 temp = readl(addr);
1246 if (temp == 0xffffffff)
1247 return -EIO;
1248 *data = temp;
1249 return 0;
1250}
1251
1252static inline int
1253lpfc_sli_read_hs(struct lpfc_hba *phba)
1254{
1255
1256
1257
1258
1259 phba->sli.slistat.err_attn_event++;
1260
1261
1262 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1263 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1264 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1265 return -EIO;
1266 }
1267
1268
1269 writel(HA_ERATT, phba->HAregaddr);
1270 readl(phba->HAregaddr);
1271 phba->pport->stopped = 1;
1272
1273 return 0;
1274}
1275
1276static inline struct lpfc_sli_ring *
1277lpfc_phba_elsring(struct lpfc_hba *phba)
1278{
1279
1280 if (phba->sli_rev != LPFC_SLI_REV4 &&
1281 phba->sli_rev != LPFC_SLI_REV3 &&
1282 phba->sli_rev != LPFC_SLI_REV2)
1283 return NULL;
1284
1285 if (phba->sli_rev == LPFC_SLI_REV4) {
1286 if (phba->sli4_hba.els_wq)
1287 return phba->sli4_hba.els_wq->pring;
1288 else
1289 return NULL;
1290 }
1291 return &phba->sli.sli3_ring[LPFC_ELS_RING];
1292}
1293
1294
1295
1296
1297
1298
1299
1300
1301static inline void
1302lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,
1303 u32 delay)
1304{
1305 struct lpfc_register reg_data;
1306
1307 reg_data.word0 = 0;
1308 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id);
1309 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay);
1310 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);
1311 eq->q_mode = delay;
1312}
1313