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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_DEFAULT_XPSGL_SIZE 256
55#define LPFC_MAX_SG_TABLESIZE 0xffff
56#define LPFC_MIN_SG_SLI4_BUF_SZ 0x800
57#define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128
58#define LPFC_MAX_SG_SEG_CNT_DIF 512
59#define LPFC_MAX_SG_SEG_CNT 4096
60#define LPFC_MIN_SG_SEG_CNT 32
61#define LPFC_MAX_SGL_SEG_CNT 512
62#define LPFC_MAX_BPL_SEG_CNT 4096
63#define LPFC_MAX_NVME_SEG_CNT 256
64
65#define LPFC_MAX_SGE_SIZE 0x80000000
66#define LPFC_IOCB_LIST_CNT 2250
67#define LPFC_Q_RAMP_UP_INTERVAL 120
68#define LPFC_VNAME_LEN 100
69#define LPFC_TGTQ_RAMPUP_PCENT 5
70#define LPFC_MIN_TGT_QDEPTH 10
71#define LPFC_MAX_TGT_QDEPTH 0xFFFF
72
73#define LPFC_MAX_BUCKET_COUNT 20
74
75
76
77
78
79
80
81#define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))
82
83
84#define LPFC_DISC_IOCB_BUFF_COUNT 20
85
86#define LPFC_HB_MBOX_INTERVAL 5
87#define LPFC_HB_MBOX_TIMEOUT 30
88
89
90#define LPFC_ERATT_POLL_INTERVAL 5
91
92
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
98#define LPFC_DRVR_TIMEOUT 16
99#define FC_MAX_ADPTMSG 64
100
101#define MAX_HBAEVT 32
102#define MAX_HBAS_NO_RESET 16
103
104
105#define LPFC_MSIX_VECTORS 2
106
107
108#define LPFC_DATA_READY 0
109
110
111#define LPFC_LBUF_SZ 128
112
113
114#define LPFC_MBX_NO_WAIT 0
115#define LPFC_MBX_WAIT 1
116
117enum lpfc_polling_flags {
118 ENABLE_FCP_RING_POLLING = 0x1,
119 DISABLE_FCP_RING_INT = 0x2
120};
121
122struct perf_prof {
123 uint16_t cmd_cpu[40];
124 uint16_t rsp_cpu[40];
125 uint16_t qh_cpu[40];
126 uint16_t wqidx[40];
127};
128
129
130
131
132
133
134#define LPFC_FC4_TYPE_BITMASK 0x00000100
135
136
137struct lpfc_dmabuf {
138 struct list_head list;
139 void *virt;
140 dma_addr_t phys;
141 uint32_t buffer_tag;
142};
143
144struct lpfc_nvmet_ctxbuf {
145 struct list_head list;
146 struct lpfc_async_xchg_ctx *context;
147 struct lpfc_iocbq *iocbq;
148 struct lpfc_sglq *sglq;
149 struct work_struct defer_work;
150};
151
152struct lpfc_dma_pool {
153 struct lpfc_dmabuf *elements;
154 uint32_t max_count;
155 uint32_t current_count;
156};
157
158struct hbq_dmabuf {
159 struct lpfc_dmabuf hbuf;
160 struct lpfc_dmabuf dbuf;
161 uint16_t total_size;
162 uint16_t bytes_recv;
163 uint32_t tag;
164 struct lpfc_cq_event cq_event;
165 unsigned long time_stamp;
166 void *context;
167};
168
169struct rqb_dmabuf {
170 struct lpfc_dmabuf hbuf;
171 struct lpfc_dmabuf dbuf;
172 uint16_t total_size;
173 uint16_t bytes_recv;
174 uint16_t idx;
175 struct lpfc_queue *hrq;
176 struct lpfc_queue *drq;
177};
178
179
180#define MEM_PRI 0x100
181
182
183
184
185
186typedef struct lpfc_vpd {
187 uint32_t status;
188 uint32_t length;
189 struct {
190 uint32_t rsvd1;
191 uint32_t biuRev;
192 uint32_t smRev;
193 uint32_t smFwRev;
194 uint32_t endecRev;
195 uint16_t rBit;
196 uint8_t fcphHigh;
197 uint8_t fcphLow;
198 uint8_t feaLevelHigh;
199 uint8_t feaLevelLow;
200 uint32_t postKernRev;
201 uint32_t opFwRev;
202 uint8_t opFwName[16];
203 uint32_t sli1FwRev;
204 uint8_t sli1FwName[16];
205 uint32_t sli2FwRev;
206 uint8_t sli2FwName[16];
207 } rev;
208 struct {
209#ifdef __BIG_ENDIAN_BITFIELD
210 uint32_t rsvd3 :20;
211 uint32_t rsvd2 : 3;
212 uint32_t cbg : 1;
213 uint32_t cmv : 1;
214 uint32_t ccrp : 1;
215 uint32_t csah : 1;
216 uint32_t chbs : 1;
217 uint32_t cinb : 1;
218 uint32_t cerbm : 1;
219 uint32_t cmx : 1;
220 uint32_t cmr : 1;
221#else
222 uint32_t cmr : 1;
223 uint32_t cmx : 1;
224 uint32_t cerbm : 1;
225 uint32_t cinb : 1;
226 uint32_t chbs : 1;
227 uint32_t csah : 1;
228 uint32_t ccrp : 1;
229 uint32_t cmv : 1;
230 uint32_t cbg : 1;
231 uint32_t rsvd2 : 3;
232 uint32_t rsvd3 :20;
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 elsRcvRPL;
264 uint32_t elsRcvRRQ;
265 uint32_t elsRcvRTV;
266 uint32_t elsRcvECHO;
267 uint32_t elsRcvLCB;
268 uint32_t elsRcvRDP;
269 uint32_t elsXmitFLOGI;
270 uint32_t elsXmitFDISC;
271 uint32_t elsXmitPLOGI;
272 uint32_t elsXmitPRLI;
273 uint32_t elsXmitADISC;
274 uint32_t elsXmitLOGO;
275 uint32_t elsXmitSCR;
276 uint32_t elsXmitRSCN;
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_ioktime;
482 struct dentry *debug_hdwqstat;
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
605enum ras_state {
606 INACTIVE,
607 REG_INPROGRESS,
608 ACTIVE
609};
610
611struct lpfc_ras_fwlog {
612 uint8_t *fwlog_buff;
613 uint32_t fw_buffcount;
614#define LPFC_RAS_BUFF_ENTERIES 16
615#define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
616#define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
617#define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
618 uint32_t fw_loglevel;
619 struct lpfc_dmabuf lwpd;
620 struct list_head fwlog_buff_list;
621
622
623 bool ras_hwsupport;
624 bool ras_enabled;
625#define LPFC_RAS_DISABLE_LOGGING 0x00
626#define LPFC_RAS_ENABLE_LOGGING 0x01
627 enum ras_state state;
628};
629
630#define DBG_LOG_STR_SZ 256
631#define DBG_LOG_SZ 256
632
633struct dbg_log_ent {
634 char log[DBG_LOG_STR_SZ];
635 u64 t_ns;
636};
637
638enum lpfc_irq_chann_mode {
639
640 NORMAL_MODE,
641
642
643 NUMA_MODE,
644
645
646
647
648 NHT_MODE,
649};
650
651struct lpfc_hba {
652
653 struct lpfc_io_buf * (*lpfc_get_scsi_buf)
654 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
655 struct scsi_cmnd *cmnd);
656 int (*lpfc_scsi_prep_dma_buf)
657 (struct lpfc_hba *, struct lpfc_io_buf *);
658 void (*lpfc_scsi_unprep_dma_buf)
659 (struct lpfc_hba *, struct lpfc_io_buf *);
660 void (*lpfc_release_scsi_buf)
661 (struct lpfc_hba *, struct lpfc_io_buf *);
662 void (*lpfc_rampdown_queue_depth)
663 (struct lpfc_hba *);
664 void (*lpfc_scsi_prep_cmnd)
665 (struct lpfc_vport *, struct lpfc_io_buf *,
666 struct lpfc_nodelist *);
667 int (*lpfc_scsi_prep_cmnd_buf)
668 (struct lpfc_vport *vport,
669 struct lpfc_io_buf *lpfc_cmd,
670 uint8_t tmo);
671
672
673 int (*__lpfc_sli_issue_iocb)
674 (struct lpfc_hba *, uint32_t,
675 struct lpfc_iocbq *, uint32_t);
676 int (*__lpfc_sli_issue_fcp_io)
677 (struct lpfc_hba *phba, uint32_t ring_number,
678 struct lpfc_iocbq *piocb, uint32_t flag);
679 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
680 struct lpfc_iocbq *);
681 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
682 IOCB_t * (*lpfc_get_iocb_from_iocbq)
683 (struct lpfc_iocbq *);
684 void (*lpfc_scsi_cmd_iocb_cmpl)
685 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
686
687
688 int (*lpfc_sli_issue_mbox)
689 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
690
691
692 void (*lpfc_sli_handle_slow_ring_event)
693 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
694 uint32_t mask);
695
696
697 int (*lpfc_sli_hbq_to_firmware)
698 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
699 int (*lpfc_sli_brdrestart)
700 (struct lpfc_hba *);
701 int (*lpfc_sli_brdready)
702 (struct lpfc_hba *, uint32_t);
703 void (*lpfc_handle_eratt)
704 (struct lpfc_hba *);
705 void (*lpfc_stop_port)
706 (struct lpfc_hba *);
707 int (*lpfc_hba_init_link)
708 (struct lpfc_hba *, uint32_t);
709 int (*lpfc_hba_down_link)
710 (struct lpfc_hba *, uint32_t);
711 int (*lpfc_selective_reset)
712 (struct lpfc_hba *);
713
714 int (*lpfc_bg_scsi_prep_dma_buf)
715 (struct lpfc_hba *, struct lpfc_io_buf *);
716
717
718
719 struct lpfc_epd_pool epd_pool;
720
721
722 struct lpfc_sli4_hba sli4_hba;
723
724 struct workqueue_struct *wq;
725 struct delayed_work eq_delay_work;
726
727#define LPFC_IDLE_STAT_DELAY 1000
728 struct delayed_work idle_stat_delay_work;
729
730 struct lpfc_sli sli;
731 uint8_t pci_dev_grp;
732 uint32_t sli_rev;
733 uint32_t sli3_options;
734#define LPFC_SLI3_HBQ_ENABLED 0x01
735#define LPFC_SLI3_NPIV_ENABLED 0x02
736#define LPFC_SLI3_VPORT_TEARDOWN 0x04
737#define LPFC_SLI3_CRP_ENABLED 0x08
738#define LPFC_SLI3_BG_ENABLED 0x20
739#define LPFC_SLI3_DSS_ENABLED 0x40
740#define LPFC_SLI4_PERFH_ENABLED 0x80
741#define LPFC_SLI4_PHWQ_ENABLED 0x100
742 uint32_t iocb_cmd_size;
743 uint32_t iocb_rsp_size;
744
745 struct lpfc_trunk_link trunk_link;
746 enum hba_state link_state;
747 uint32_t link_flag;
748#define LS_LOOPBACK_MODE 0x1
749
750
751#define LS_NPIV_FAB_SUPPORTED 0x2
752#define LS_IGNORE_ERATT 0x4
753#define LS_MDS_LINK_DOWN 0x8
754#define LS_MDS_LOOPBACK 0x10
755#define LS_CT_VEN_RPA 0x20
756
757 uint32_t hba_flag;
758#define HBA_ERATT_HANDLED 0x1
759#define DEFER_ERATT 0x2
760#define HBA_FCOE_MODE 0x4
761#define HBA_SP_QUEUE_EVT 0x8
762#define HBA_POST_RECEIVE_BUFFER 0x10
763#define HBA_PERSISTENT_TOPO 0x20
764#define ELS_XRI_ABORT_EVENT 0x40
765#define ASYNC_EVENT 0x80
766#define LINK_DISABLED 0x100
767#define FCF_TS_INPROG 0x200
768#define FCF_RR_INPROG 0x400
769#define HBA_FIP_SUPPORT 0x800
770#define HBA_AER_ENABLED 0x1000
771#define HBA_DEVLOSS_TMO 0x2000
772#define HBA_RRQ_ACTIVE 0x4000
773#define HBA_IOQ_FLUSH 0x8000
774#define HBA_FW_DUMP_OP 0x10000
775#define HBA_RECOVERABLE_UE 0x20000
776#define HBA_FORCED_LINK_SPEED 0x40000
777
778
779
780#define HBA_FLOGI_ISSUED 0x100000
781#define HBA_DEFER_FLOGI 0x800000
782
783 uint32_t fcp_ring_in_use;
784 struct lpfc_dmabuf slim2p;
785
786 MAILBOX_t *mbox;
787 uint32_t *mbox_ext;
788 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
789 uint32_t ha_copy;
790 struct _PCB *pcb;
791 struct _IOCB *IOCBs;
792
793 struct lpfc_dmabuf hbqslimp;
794
795 uint16_t pci_cfg_value;
796
797 uint8_t fc_linkspeed;
798
799 uint32_t fc_eventTag;
800 uint32_t link_events;
801
802
803 uint32_t fc_pref_DID;
804 uint8_t fc_pref_ALPA;
805 uint32_t fc_edtovResol;
806 uint32_t fc_edtov;
807 uint32_t fc_arbtov;
808 uint32_t fc_ratov;
809 uint32_t fc_rttov;
810 uint32_t fc_altov;
811 uint32_t fc_crtov;
812
813 struct serv_parm fc_fabparam;
814 uint8_t alpa_map[128];
815
816 uint32_t lmt;
817
818 uint32_t fc_topology;
819 uint32_t fc_topology_changed;
820
821 struct lpfc_stats fc_stat;
822
823 struct lpfc_nodelist fc_fcpnodev;
824 uint32_t nport_event_cnt;
825
826 uint8_t wwnn[8];
827 uint8_t wwpn[8];
828 uint32_t RandomData[7];
829 uint8_t fcp_embed_io;
830 uint8_t nvme_support;
831 uint8_t nvmet_support;
832#define LPFC_NVMET_MAX_PORTS 32
833 uint8_t mds_diags_support;
834 uint8_t bbcredit_support;
835 uint8_t enab_exp_wqcq_pages;
836 u8 nsler;
837
838
839 uint32_t cfg_ack0;
840 uint32_t cfg_xri_rebalancing;
841 uint32_t cfg_xpsgl;
842 uint32_t cfg_enable_npiv;
843 uint32_t cfg_enable_rrq;
844 uint32_t cfg_topology;
845 uint32_t cfg_link_speed;
846#define LPFC_FCF_FOV 1
847#define LPFC_FCF_PRIORITY 2
848 uint32_t cfg_fcf_failover_policy;
849 uint32_t cfg_fcp_io_sched;
850 uint32_t cfg_ns_query;
851 uint32_t cfg_fcp2_no_tgt_reset;
852 uint32_t cfg_cr_delay;
853 uint32_t cfg_cr_count;
854 uint32_t cfg_multi_ring_support;
855 uint32_t cfg_multi_ring_rctl;
856 uint32_t cfg_multi_ring_type;
857 uint32_t cfg_poll;
858 uint32_t cfg_poll_tmo;
859 uint32_t cfg_task_mgmt_tmo;
860 uint32_t cfg_use_msi;
861 uint32_t cfg_auto_imax;
862 uint32_t cfg_fcp_imax;
863 uint32_t cfg_force_rscn;
864 uint32_t cfg_cq_poll_threshold;
865 uint32_t cfg_cq_max_proc_limit;
866 uint32_t cfg_fcp_cpu_map;
867 uint32_t cfg_fcp_mq_threshold;
868 uint32_t cfg_hdw_queue;
869 uint32_t cfg_irq_chann;
870 uint32_t cfg_suppress_rsp;
871 uint32_t cfg_nvme_oas;
872 uint32_t cfg_nvme_embed_cmd;
873 uint32_t cfg_nvmet_mrq_post;
874 uint32_t cfg_nvmet_mrq;
875 uint32_t cfg_enable_nvmet;
876 uint32_t cfg_nvme_enable_fb;
877 uint32_t cfg_nvmet_fb_size;
878 uint32_t cfg_total_seg_cnt;
879 uint32_t cfg_sg_seg_cnt;
880 uint32_t cfg_nvme_seg_cnt;
881 uint32_t cfg_scsi_seg_cnt;
882 uint32_t cfg_sg_dma_buf_size;
883 uint64_t cfg_soft_wwnn;
884 uint64_t cfg_soft_wwpn;
885 uint32_t cfg_hba_queue_depth;
886 uint32_t cfg_enable_hba_reset;
887 uint32_t cfg_enable_hba_heartbeat;
888 uint32_t cfg_fof;
889 uint32_t cfg_EnableXLane;
890 uint8_t cfg_oas_tgt_wwpn[8];
891 uint8_t cfg_oas_vpt_wwpn[8];
892 uint32_t cfg_oas_lun_state;
893#define OAS_LUN_ENABLE 1
894#define OAS_LUN_DISABLE 0
895 uint32_t cfg_oas_lun_status;
896#define OAS_LUN_STATUS_EXISTS 0x01
897 uint32_t cfg_oas_flags;
898#define OAS_FIND_ANY_VPORT 0x01
899#define OAS_FIND_ANY_TARGET 0x02
900#define OAS_LUN_VALID 0x04
901 uint32_t cfg_oas_priority;
902 uint32_t cfg_XLanePriority;
903 uint32_t cfg_enable_bg;
904 uint32_t cfg_prot_mask;
905 uint32_t cfg_prot_guard;
906 uint32_t cfg_hostmem_hgp;
907 uint32_t cfg_log_verbose;
908 uint32_t cfg_enable_fc4_type;
909 uint32_t cfg_aer_support;
910 uint32_t cfg_sriov_nr_virtfn;
911 uint32_t cfg_request_firmware_upgrade;
912 uint32_t cfg_suppress_link_up;
913 uint32_t cfg_rrq_xri_bitmap_sz;
914 uint32_t cfg_delay_discovery;
915 uint32_t cfg_sli_mode;
916#define LPFC_INITIALIZE_LINK 0
917#define LPFC_DELAY_INIT_LINK 1
918#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2
919 uint32_t cfg_fdmi_on;
920#define LPFC_FDMI_NO_SUPPORT 0
921#define LPFC_FDMI_SUPPORT 1
922 uint32_t cfg_enable_SmartSAN;
923 uint32_t cfg_enable_mds_diags;
924 uint32_t cfg_ras_fwlog_level;
925 uint32_t cfg_ras_fwlog_buffsize;
926 uint32_t cfg_ras_fwlog_func;
927 uint32_t cfg_enable_bbcr;
928 uint32_t cfg_enable_dpp;
929#define LPFC_ENABLE_FCP 1
930#define LPFC_ENABLE_NVME 2
931#define LPFC_ENABLE_BOTH 3
932 uint32_t cfg_enable_pbde;
933 uint32_t cfg_enable_mi;
934 struct nvmet_fc_target_port *targetport;
935 lpfc_vpd_t vpd;
936
937 struct pci_dev *pcidev;
938 struct list_head work_list;
939 uint32_t work_ha;
940 uint32_t work_ha_mask;
941 uint32_t work_hs;
942 uint32_t work_status[2];
943
944 wait_queue_head_t work_waitq;
945 struct task_struct *worker_thread;
946 unsigned long data_flags;
947 uint32_t border_sge_num;
948
949 uint32_t hbq_in_use;
950 uint32_t hbq_count;
951 struct hbq_s hbqs[LPFC_MAX_HBQS];
952
953 atomic_t fcp_qidx;
954 atomic_t nvme_qidx;
955
956 phys_addr_t pci_bar0_map;
957 phys_addr_t pci_bar1_map;
958 phys_addr_t pci_bar2_map;
959 void __iomem *slim_memmap_p;
960
961 void __iomem *ctrl_regs_memmap_p;
962
963
964 void __iomem *pci_bar0_memmap_p;
965
966 void __iomem *pci_bar2_memmap_p;
967
968 void __iomem *pci_bar4_memmap_p;
969
970#define PCI_64BIT_BAR0 0
971#define PCI_64BIT_BAR2 2
972#define PCI_64BIT_BAR4 4
973 void __iomem *MBslimaddr;
974 void __iomem *HAregaddr;
975 void __iomem *CAregaddr;
976 void __iomem *HSregaddr;
977
978 void __iomem *HCregaddr;
979
980 struct lpfc_hgp __iomem *host_gp;
981 struct lpfc_pgp *port_gp;
982 uint32_t __iomem *hbq_put;
983 uint32_t *hbq_get;
984
985 int brd_no;
986 char SerialNumber[32];
987 char OptionROMVersion[32];
988 char BIOSVersion[16];
989 char ModelDesc[256];
990 char ModelName[80];
991 char ProgramType[256];
992 char Port[20];
993 uint8_t vpd_flag;
994
995#define VPD_MODEL_DESC 0x1
996#define VPD_MODEL_NAME 0x2
997#define VPD_PROGRAM_TYPE 0x4
998#define VPD_PORT 0x8
999#define VPD_MASK 0xf
1000
1001 uint8_t soft_wwn_enable;
1002
1003 struct timer_list fcp_poll_timer;
1004 struct timer_list eratt_poll;
1005 uint32_t eratt_poll_interval;
1006
1007 uint64_t bg_guard_err_cnt;
1008 uint64_t bg_apptag_err_cnt;
1009 uint64_t bg_reftag_err_cnt;
1010
1011
1012 spinlock_t scsi_buf_list_get_lock;
1013 spinlock_t scsi_buf_list_put_lock;
1014 struct list_head lpfc_scsi_buf_list_get;
1015 struct list_head lpfc_scsi_buf_list_put;
1016 uint32_t total_scsi_bufs;
1017 struct list_head lpfc_iocb_list;
1018 uint32_t total_iocbq_bufs;
1019 struct list_head active_rrq_list;
1020 spinlock_t hbalock;
1021
1022
1023 struct dma_pool *lpfc_sg_dma_buf_pool;
1024 struct dma_pool *lpfc_mbuf_pool;
1025 struct dma_pool *lpfc_hrb_pool;
1026 struct dma_pool *lpfc_drb_pool;
1027 struct dma_pool *lpfc_nvmet_drb_pool;
1028 struct dma_pool *lpfc_hbq_pool;
1029 struct dma_pool *lpfc_cmd_rsp_buf_pool;
1030 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
1031
1032 mempool_t *mbox_mem_pool;
1033 mempool_t *nlp_mem_pool;
1034 mempool_t *rrq_pool;
1035 mempool_t *active_rrq_pool;
1036
1037 struct fc_host_statistics link_stats;
1038 enum lpfc_irq_chann_mode irq_chann_mode;
1039 enum intr_type_t intr_type;
1040 uint32_t intr_mode;
1041#define LPFC_INTR_ERROR 0xFFFFFFFF
1042 struct list_head port_list;
1043 spinlock_t port_list_lock;
1044 struct lpfc_vport *pport;
1045 uint16_t max_vpi;
1046#define LPFC_MAX_VPI 0xFF
1047#define LPFC_MAX_VPORTS 0x100
1048 uint16_t max_vports;
1049
1050
1051
1052
1053
1054 uint16_t vpi_base;
1055 uint16_t vfi_base;
1056 unsigned long *vpi_bmask;
1057 uint16_t *vpi_ids;
1058 uint16_t vpi_count;
1059 struct list_head lpfc_vpi_blk_list;
1060
1061
1062 struct list_head fabric_iocb_list;
1063 atomic_t fabric_iocb_count;
1064 struct timer_list fabric_block_timer;
1065 unsigned long bit_flags;
1066#define FABRIC_COMANDS_BLOCKED 0
1067 atomic_t num_rsrc_err;
1068 atomic_t num_cmd_success;
1069 unsigned long last_rsrc_error_time;
1070 unsigned long last_ramp_down_time;
1071#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1072 struct dentry *hba_debugfs_root;
1073 atomic_t debugfs_vport_count;
1074 struct dentry *debug_multixri_pools;
1075 struct dentry *debug_hbqinfo;
1076 struct dentry *debug_dumpHostSlim;
1077 struct dentry *debug_dumpHBASlim;
1078 struct dentry *debug_InjErrLBA;
1079 struct dentry *debug_InjErrNPortID;
1080 struct dentry *debug_InjErrWWPN;
1081 struct dentry *debug_writeGuard;
1082 struct dentry *debug_writeApp;
1083 struct dentry *debug_writeRef;
1084 struct dentry *debug_readGuard;
1085 struct dentry *debug_readApp;
1086 struct dentry *debug_readRef;
1087
1088 struct dentry *debug_nvmeio_trc;
1089 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1090 struct dentry *debug_hdwqinfo;
1091#ifdef LPFC_HDWQ_LOCK_STAT
1092 struct dentry *debug_lockstat;
1093#endif
1094 struct dentry *debug_ras_log;
1095 atomic_t nvmeio_trc_cnt;
1096 uint32_t nvmeio_trc_size;
1097 uint32_t nvmeio_trc_output_idx;
1098
1099
1100 uint32_t lpfc_injerr_wgrd_cnt;
1101 uint32_t lpfc_injerr_wapp_cnt;
1102 uint32_t lpfc_injerr_wref_cnt;
1103 uint32_t lpfc_injerr_rgrd_cnt;
1104 uint32_t lpfc_injerr_rapp_cnt;
1105 uint32_t lpfc_injerr_rref_cnt;
1106 uint32_t lpfc_injerr_nportid;
1107 struct lpfc_name lpfc_injerr_wwpn;
1108 sector_t lpfc_injerr_lba;
1109#define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1110
1111 struct dentry *debug_slow_ring_trc;
1112 struct lpfc_debugfs_trc *slow_ring_trc;
1113 atomic_t slow_ring_trc_cnt;
1114
1115 struct dentry *idiag_root;
1116 struct dentry *idiag_pci_cfg;
1117 struct dentry *idiag_bar_acc;
1118 struct dentry *idiag_que_info;
1119 struct dentry *idiag_que_acc;
1120 struct dentry *idiag_drb_acc;
1121 struct dentry *idiag_ctl_acc;
1122 struct dentry *idiag_mbx_acc;
1123 struct dentry *idiag_ext_acc;
1124 uint8_t lpfc_idiag_last_eq;
1125#endif
1126 uint16_t nvmeio_trc_on;
1127
1128
1129 struct list_head elsbuf;
1130 int elsbuf_cnt;
1131 int elsbuf_prev_cnt;
1132
1133 uint8_t temp_sensor_support;
1134
1135 unsigned long last_completion_time;
1136 unsigned long skipped_hb;
1137 struct timer_list hb_tmofunc;
1138 uint8_t hb_outstanding;
1139 struct timer_list rrq_tmr;
1140 enum hba_temp_state over_temp_state;
1141
1142
1143
1144
1145#define QUE_BUFTAG_BIT (1<<31)
1146 uint32_t buffer_tag_count;
1147 int wait_4_mlo_maint_flg;
1148 wait_queue_head_t wait_4_mlo_m_q;
1149
1150#define LPFC_NO_BUCKET 0
1151#define LPFC_LINEAR_BUCKET 1
1152#define LPFC_POWER2_BUCKET 2
1153 uint8_t bucket_type;
1154 uint32_t bucket_base;
1155 uint32_t bucket_step;
1156
1157
1158#define LPFC_MAX_EVT_COUNT 512
1159 atomic_t fast_event_count;
1160 uint32_t fcoe_eventtag;
1161 uint32_t fcoe_eventtag_at_fcf_scan;
1162 uint32_t fcoe_cvl_eventtag;
1163 uint32_t fcoe_cvl_eventtag_attn;
1164 struct lpfc_fcf fcf;
1165 uint8_t fc_map[3];
1166 uint8_t valid_vlan;
1167 uint16_t vlan_id;
1168 struct list_head fcf_conn_rec_list;
1169
1170 bool defer_flogi_acc_flag;
1171 uint16_t defer_flogi_acc_rx_id;
1172 uint16_t defer_flogi_acc_ox_id;
1173
1174 spinlock_t ct_ev_lock;
1175 struct list_head ct_ev_waiters;
1176 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1177 uint32_t ctx_idx;
1178
1179
1180 struct lpfc_ras_fwlog ras_fwlog;
1181
1182 uint8_t menlo_flag;
1183#define HBA_MENLO_SUPPORT 0x1
1184 uint32_t iocb_cnt;
1185 uint32_t iocb_max;
1186 atomic_t sdev_cnt;
1187 spinlock_t devicelock;
1188 mempool_t *device_data_mem_pool;
1189 struct list_head luns;
1190#define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1191#define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1192#define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1193#define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1194#define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1195#define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1196#define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1197#define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1198#define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1199#define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1200 uint16_t sfp_alarm;
1201 uint16_t sfp_warning;
1202
1203#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1204 uint16_t hdwqstat_on;
1205#define LPFC_CHECK_OFF 0
1206#define LPFC_CHECK_NVME_IO 1
1207#define LPFC_CHECK_NVMET_IO 2
1208#define LPFC_CHECK_SCSI_IO 4
1209 uint16_t ktime_on;
1210 uint64_t ktime_data_samples;
1211 uint64_t ktime_status_samples;
1212 uint64_t ktime_last_cmd;
1213 uint64_t ktime_seg1_total;
1214 uint64_t ktime_seg1_min;
1215 uint64_t ktime_seg1_max;
1216 uint64_t ktime_seg2_total;
1217 uint64_t ktime_seg2_min;
1218 uint64_t ktime_seg2_max;
1219 uint64_t ktime_seg3_total;
1220 uint64_t ktime_seg3_min;
1221 uint64_t ktime_seg3_max;
1222 uint64_t ktime_seg4_total;
1223 uint64_t ktime_seg4_min;
1224 uint64_t ktime_seg4_max;
1225 uint64_t ktime_seg5_total;
1226 uint64_t ktime_seg5_min;
1227 uint64_t ktime_seg5_max;
1228 uint64_t ktime_seg6_total;
1229 uint64_t ktime_seg6_min;
1230 uint64_t ktime_seg6_max;
1231 uint64_t ktime_seg7_total;
1232 uint64_t ktime_seg7_min;
1233 uint64_t ktime_seg7_max;
1234 uint64_t ktime_seg8_total;
1235 uint64_t ktime_seg8_min;
1236 uint64_t ktime_seg8_max;
1237 uint64_t ktime_seg9_total;
1238 uint64_t ktime_seg9_min;
1239 uint64_t ktime_seg9_max;
1240 uint64_t ktime_seg10_total;
1241 uint64_t ktime_seg10_min;
1242 uint64_t ktime_seg10_max;
1243#endif
1244
1245 struct hlist_node cpuhp;
1246 struct timer_list cpuhp_poll_timer;
1247 struct list_head poll_list;
1248#define LPFC_POLL_HB 1
1249#define LPFC_POLL_FASTPATH 0
1250#define LPFC_POLL_SLOWPATH 1
1251
1252 char os_host_name[MAXHOSTNAMELEN];
1253
1254
1255 struct scsi_host_template port_template;
1256
1257 struct scsi_host_template vport_template;
1258 atomic_t dbg_log_idx;
1259 atomic_t dbg_log_cnt;
1260 atomic_t dbg_log_dmping;
1261 struct dbg_log_ent dbg_log[DBG_LOG_SZ];
1262};
1263
1264static inline struct Scsi_Host *
1265lpfc_shost_from_vport(struct lpfc_vport *vport)
1266{
1267 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1268}
1269
1270static inline void
1271lpfc_set_loopback_flag(struct lpfc_hba *phba)
1272{
1273 if (phba->cfg_topology == FLAGS_LOCAL_LB)
1274 phba->link_flag |= LS_LOOPBACK_MODE;
1275 else
1276 phba->link_flag &= ~LS_LOOPBACK_MODE;
1277}
1278
1279static inline int
1280lpfc_is_link_up(struct lpfc_hba *phba)
1281{
1282 return phba->link_state == LPFC_LINK_UP ||
1283 phba->link_state == LPFC_CLEAR_LA ||
1284 phba->link_state == LPFC_HBA_READY;
1285}
1286
1287static inline void
1288lpfc_worker_wake_up(struct lpfc_hba *phba)
1289{
1290
1291 set_bit(LPFC_DATA_READY, &phba->data_flags);
1292
1293
1294 wake_up(&phba->work_waitq);
1295 return;
1296}
1297
1298static inline int
1299lpfc_readl(void __iomem *addr, uint32_t *data)
1300{
1301 uint32_t temp;
1302 temp = readl(addr);
1303 if (temp == 0xffffffff)
1304 return -EIO;
1305 *data = temp;
1306 return 0;
1307}
1308
1309static inline int
1310lpfc_sli_read_hs(struct lpfc_hba *phba)
1311{
1312
1313
1314
1315
1316 phba->sli.slistat.err_attn_event++;
1317
1318
1319 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1320 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1321 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1322 return -EIO;
1323 }
1324
1325
1326 writel(HA_ERATT, phba->HAregaddr);
1327 readl(phba->HAregaddr);
1328 phba->pport->stopped = 1;
1329
1330 return 0;
1331}
1332
1333static inline struct lpfc_sli_ring *
1334lpfc_phba_elsring(struct lpfc_hba *phba)
1335{
1336
1337 if (phba->sli_rev != LPFC_SLI_REV4 &&
1338 phba->sli_rev != LPFC_SLI_REV3 &&
1339 phba->sli_rev != LPFC_SLI_REV2)
1340 return NULL;
1341
1342 if (phba->sli_rev == LPFC_SLI_REV4) {
1343 if (phba->sli4_hba.els_wq)
1344 return phba->sli4_hba.els_wq->pring;
1345 else
1346 return NULL;
1347 }
1348 return &phba->sli.sli3_ring[LPFC_ELS_RING];
1349}
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359static inline unsigned int
1360lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start)
1361{
1362 unsigned int cpu_it;
1363
1364 for_each_cpu_wrap(cpu_it, mask, start) {
1365 if (cpu_online(cpu_it))
1366 break;
1367 }
1368
1369 return cpu_it;
1370}
1371
1372
1373
1374
1375
1376
1377
1378static inline void
1379lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,
1380 u32 delay)
1381{
1382 struct lpfc_register reg_data;
1383
1384 reg_data.word0 = 0;
1385 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id);
1386 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay);
1387 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);
1388 eq->q_mode = delay;
1389}
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401#define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \
1402static struct { \
1403 enum enum_name value; \
1404 char *name; \
1405} fc_##enum_name##_e2str_names[] = enum_init; \
1406static const char *routine(enum enum_name table_key) \
1407{ \
1408 int i; \
1409 char *name = "Unrecognized"; \
1410 \
1411 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\
1412 if (fc_##enum_name##_e2str_names[i].value == table_key) {\
1413 name = fc_##enum_name##_e2str_names[i].name; \
1414 break; \
1415 } \
1416 } \
1417 return name; \
1418}
1419