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23#include <linux/irq_poll.h>
24#include <linux/cpufreq.h>
25
26#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
27#define CONFIG_SCSI_LPFC_DEBUG_FS
28#endif
29
30#define LPFC_ACTIVE_MBOX_WAIT_CNT 100
31#define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000
32#define LPFC_XRI_EXCH_BUSY_WAIT_T1 10
33#define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000
34#define LPFC_RPI_LOW_WATER_MARK 10
35
36#define LPFC_UNREG_FCF 1
37#define LPFC_SKIP_UNREG_FCF 0
38
39
40#define LPFC_FCF_REDISCOVER_WAIT_TMO 2000
41
42
43#define LPFC_NEMBED_MBOX_SGL_CNT 254
44
45
46#define LPFC_HBA_HDWQ_MIN 0
47#define LPFC_HBA_HDWQ_MAX 256
48#define LPFC_HBA_HDWQ_DEF LPFC_HBA_HDWQ_MIN
49
50
51#define LPFC_IRQ_CHANN_MIN 0
52#define LPFC_IRQ_CHANN_MAX 256
53#define LPFC_IRQ_CHANN_DEF LPFC_IRQ_CHANN_MIN
54
55
56#define LPFC_FCP_MQ_THRESHOLD_MIN 0
57#define LPFC_FCP_MQ_THRESHOLD_MAX 256
58#define LPFC_FCP_MQ_THRESHOLD_DEF 8
59
60
61
62
63
64
65#define LPFC_FCOE_FCF_DEF_INDEX 0
66#define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
67#define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
68
69#define LPFC_FCOE_NULL_VID 0xFFF
70#define LPFC_FCOE_IGNORE_VID 0xFFFF
71
72
73#define LPFC_FCOE_FCF_MAC3 0xFF
74#define LPFC_FCOE_FCF_MAC4 0xFF
75#define LPFC_FCOE_FCF_MAC5 0xFE
76#define LPFC_FCOE_FCF_MAP0 0x0E
77#define LPFC_FCOE_FCF_MAP1 0xFC
78#define LPFC_FCOE_FCF_MAP2 0x00
79#define LPFC_FCOE_MAX_RCV_SIZE 0x800
80#define LPFC_FCOE_FKA_ADV_PER 0
81#define LPFC_FCOE_FIP_PRIORITY 0x80
82
83#define sli4_sid_from_fc_hdr(fc_hdr) \
84 ((fc_hdr)->fh_s_id[0] << 16 | \
85 (fc_hdr)->fh_s_id[1] << 8 | \
86 (fc_hdr)->fh_s_id[2])
87
88#define sli4_did_from_fc_hdr(fc_hdr) \
89 ((fc_hdr)->fh_d_id[0] << 16 | \
90 (fc_hdr)->fh_d_id[1] << 8 | \
91 (fc_hdr)->fh_d_id[2])
92
93#define sli4_fctl_from_fc_hdr(fc_hdr) \
94 ((fc_hdr)->fh_f_ctl[0] << 16 | \
95 (fc_hdr)->fh_f_ctl[1] << 8 | \
96 (fc_hdr)->fh_f_ctl[2])
97
98#define sli4_type_from_fc_hdr(fc_hdr) \
99 ((fc_hdr)->fh_type)
100
101#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
102
103#define INT_FW_UPGRADE 0
104#define RUN_FW_UPGRADE 1
105
106enum lpfc_sli4_queue_type {
107 LPFC_EQ,
108 LPFC_GCQ,
109 LPFC_MCQ,
110 LPFC_WCQ,
111 LPFC_RCQ,
112 LPFC_MQ,
113 LPFC_WQ,
114 LPFC_HRQ,
115 LPFC_DRQ
116};
117
118
119enum lpfc_sli4_queue_subtype {
120 LPFC_NONE,
121 LPFC_MBOX,
122 LPFC_IO,
123 LPFC_ELS,
124 LPFC_NVMET,
125 LPFC_NVME_LS,
126 LPFC_USOL
127};
128
129
130struct lpfc_rqb {
131 uint16_t entry_count;
132 uint16_t buffer_count;
133 struct list_head rqb_buffer_list;
134
135 struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
136
137 void (*rqb_free_buffer)(struct lpfc_hba *,
138 struct rqb_dmabuf *);
139};
140
141enum lpfc_poll_mode {
142 LPFC_QUEUE_WORK,
143 LPFC_IRQ_POLL
144};
145
146struct lpfc_idle_stat {
147 u64 prev_idle;
148 u64 prev_wall;
149};
150
151struct lpfc_queue {
152 struct list_head list;
153 struct list_head wq_list;
154
155
156
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158
159
160
161
162
163
164 uint16_t last_cpu;
165 uint16_t hdwq;
166 uint8_t qe_valid;
167 uint8_t mode;
168#define LPFC_EQ_INTERRUPT 0
169#define LPFC_EQ_POLL 1
170
171 struct list_head wqfull_list;
172 enum lpfc_sli4_queue_type type;
173 enum lpfc_sli4_queue_subtype subtype;
174 struct lpfc_hba *phba;
175 struct list_head child_list;
176 struct list_head page_list;
177 struct list_head sgl_list;
178 struct list_head cpu_list;
179 uint32_t entry_count;
180 uint32_t entry_size;
181 uint32_t entry_cnt_per_pg;
182 uint32_t notify_interval;
183
184
185
186
187
188
189
190
191
192
193
194#define LPFC_EQ_NOTIFY_INTRVL 16
195#define LPFC_CQ_NOTIFY_INTRVL 16
196#define LPFC_WQ_NOTIFY_INTRVL 16
197#define LPFC_RQ_NOTIFY_INTRVL 16
198 uint32_t max_proc_limit;
199
200
201
202
203
204
205
206#define LPFC_EQ_MAX_PROC_LIMIT 256
207#define LPFC_CQ_MIN_PROC_LIMIT 64
208#define LPFC_CQ_MAX_PROC_LIMIT LPFC_CQE_EXP_COUNT
209#define LPFC_CQ_DEF_MAX_PROC_LIMIT LPFC_CQE_DEF_COUNT
210#define LPFC_CQ_MIN_THRESHOLD_TO_POLL 64
211#define LPFC_CQ_MAX_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
212#define LPFC_CQ_DEF_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
213 uint32_t queue_claimed;
214 uint32_t queue_id;
215 uint32_t assoc_qid;
216 uint32_t host_index;
217 uint32_t hba_index;
218 uint32_t q_mode;
219
220 struct lpfc_sli_ring *pring;
221 struct lpfc_rqb *rqbp;
222
223 uint16_t page_count;
224 uint16_t page_size;
225#define LPFC_EXPANDED_PAGE_SIZE 16384
226#define LPFC_DEFAULT_PAGE_SIZE 4096
227 uint16_t chann;
228
229#define LPFC_FIND_BY_EQ 0
230#define LPFC_FIND_BY_HDWQ 1
231 uint8_t db_format;
232#define LPFC_DB_RING_FORMAT 0x01
233#define LPFC_DB_LIST_FORMAT 0x02
234 uint8_t q_flag;
235#define HBA_NVMET_WQFULL 0x1
236#define HBA_NVMET_CQ_NOTIFY 0x1
237#define HBA_EQ_DELAY_CHK 0x2
238#define LPFC_NVMET_CQ_NOTIFY 4
239 void __iomem *db_regaddr;
240 uint16_t dpp_enable;
241 uint16_t dpp_id;
242 void __iomem *dpp_regaddr;
243
244
245 uint32_t q_cnt_1;
246 uint32_t q_cnt_2;
247 uint32_t q_cnt_3;
248 uint64_t q_cnt_4;
249
250#define EQ_max_eqe q_cnt_1
251#define EQ_no_entry q_cnt_2
252#define EQ_cqe_cnt q_cnt_3
253#define EQ_processed q_cnt_4
254
255
256#define CQ_mbox q_cnt_1
257#define CQ_max_cqe q_cnt_1
258#define CQ_release_wqe q_cnt_2
259#define CQ_xri_aborted q_cnt_3
260#define CQ_wq q_cnt_4
261
262
263#define WQ_overflow q_cnt_1
264#define WQ_posted q_cnt_4
265
266
267#define RQ_no_posted_buf q_cnt_1
268#define RQ_no_buf_found q_cnt_2
269#define RQ_buf_posted q_cnt_3
270#define RQ_rcv_buf q_cnt_4
271
272 struct work_struct irqwork;
273 struct work_struct spwork;
274 struct delayed_work sched_irqwork;
275 struct delayed_work sched_spwork;
276
277 uint64_t isr_timestamp;
278 struct lpfc_queue *assoc_qp;
279 struct list_head _poll_list;
280 void **q_pgs;
281
282#define LPFC_IRQ_POLL_WEIGHT 256
283 struct irq_poll iop;
284 enum lpfc_poll_mode poll_mode;
285};
286
287struct lpfc_sli4_link {
288 uint32_t speed;
289 uint8_t duplex;
290 uint8_t status;
291 uint8_t type;
292 uint8_t number;
293 uint8_t fault;
294 uint32_t logical_speed;
295 uint16_t topology;
296};
297
298struct lpfc_fcf_rec {
299 uint8_t fabric_name[8];
300 uint8_t switch_name[8];
301 uint8_t mac_addr[6];
302 uint16_t fcf_indx;
303 uint32_t priority;
304 uint16_t vlan_id;
305 uint32_t addr_mode;
306 uint32_t flag;
307#define BOOT_ENABLE 0x01
308#define RECORD_VALID 0x02
309};
310
311struct lpfc_fcf_pri_rec {
312 uint16_t fcf_index;
313#define LPFC_FCF_ON_PRI_LIST 0x0001
314#define LPFC_FCF_FLOGI_FAILED 0x0002
315 uint16_t flag;
316 uint32_t priority;
317};
318
319struct lpfc_fcf_pri {
320 struct list_head list;
321 struct lpfc_fcf_pri_rec fcf_rec;
322};
323
324
325
326
327
328#define LPFC_SLI4_FCF_TBL_INDX_MAX 32
329
330struct lpfc_fcf {
331 uint16_t fcfi;
332 uint32_t fcf_flag;
333#define FCF_AVAILABLE 0x01
334#define FCF_REGISTERED 0x02
335#define FCF_SCAN_DONE 0x04
336#define FCF_IN_USE 0x08
337#define FCF_INIT_DISC 0x10
338#define FCF_DEAD_DISC 0x20
339#define FCF_ACVL_DISC 0x40
340#define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
341#define FCF_REDISC_PEND 0x80
342#define FCF_REDISC_EVT 0x100
343#define FCF_REDISC_FOV 0x200
344#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
345 uint16_t fcf_redisc_attempted;
346 uint32_t addr_mode;
347 uint32_t eligible_fcf_cnt;
348 struct lpfc_fcf_rec current_rec;
349 struct lpfc_fcf_rec failover_rec;
350 struct list_head fcf_pri_list;
351 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
352 uint32_t current_fcf_scan_pri;
353 struct timer_list redisc_wait;
354 unsigned long *fcf_rr_bmask;
355};
356
357
358#define LPFC_REGION23_SIGNATURE "RG23"
359#define LPFC_REGION23_VERSION 1
360#define LPFC_REGION23_LAST_REC 0xff
361#define DRIVER_SPECIFIC_TYPE 0xA2
362#define LINUX_DRIVER_ID 0x20
363#define PORT_STE_TYPE 0x1
364
365struct lpfc_fip_param_hdr {
366 uint8_t type;
367#define FCOE_PARAM_TYPE 0xA0
368 uint8_t length;
369#define FCOE_PARAM_LENGTH 2
370 uint8_t parm_version;
371#define FIPP_VERSION 0x01
372 uint8_t parm_flags;
373#define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
374#define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
375#define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
376#define FIPP_MODE_ON 0x1
377#define FIPP_MODE_OFF 0x0
378#define FIPP_VLAN_VALID 0x1
379};
380
381struct lpfc_fcoe_params {
382 uint8_t fc_map[3];
383 uint8_t reserved1;
384 uint16_t vlan_tag;
385 uint8_t reserved[2];
386};
387
388struct lpfc_fcf_conn_hdr {
389 uint8_t type;
390#define FCOE_CONN_TBL_TYPE 0xA1
391 uint8_t length;
392 uint8_t reserved[2];
393};
394
395struct lpfc_fcf_conn_rec {
396 uint16_t flags;
397#define FCFCNCT_VALID 0x0001
398#define FCFCNCT_BOOT 0x0002
399#define FCFCNCT_PRIMARY 0x0004
400#define FCFCNCT_FBNM_VALID 0x0008
401#define FCFCNCT_SWNM_VALID 0x0010
402#define FCFCNCT_VLAN_VALID 0x0020
403#define FCFCNCT_AM_VALID 0x0040
404#define FCFCNCT_AM_PREFERRED 0x0080
405#define FCFCNCT_AM_SPMA 0x0100
406
407 uint16_t vlan_tag;
408 uint8_t fabric_name[8];
409 uint8_t switch_name[8];
410};
411
412struct lpfc_fcf_conn_entry {
413 struct list_head list;
414 struct lpfc_fcf_conn_rec conn_rec;
415};
416
417
418
419
420
421
422
423
424
425struct lpfc_bmbx {
426 struct lpfc_dmabuf *dmabuf;
427 struct dma_address dma_address;
428 void *avirt;
429 dma_addr_t aphys;
430 uint32_t bmbx_size;
431};
432
433#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
434
435#define LPFC_EQE_SIZE_4B 4
436#define LPFC_EQE_SIZE_16B 16
437#define LPFC_CQE_SIZE 16
438#define LPFC_WQE_SIZE 64
439#define LPFC_WQE128_SIZE 128
440#define LPFC_MQE_SIZE 256
441#define LPFC_RQE_SIZE 8
442
443#define LPFC_EQE_DEF_COUNT 1024
444#define LPFC_CQE_DEF_COUNT 1024
445#define LPFC_CQE_EXP_COUNT 4096
446#define LPFC_WQE_DEF_COUNT 256
447#define LPFC_WQE_EXP_COUNT 1024
448#define LPFC_MQE_DEF_COUNT 16
449#define LPFC_RQE_DEF_COUNT 512
450
451#define LPFC_QUEUE_NOARM false
452#define LPFC_QUEUE_REARM true
453
454
455
456
457
458#define SLI4_CT_RPI 0
459#define SLI4_CT_VPI 1
460#define SLI4_CT_VFI 2
461#define SLI4_CT_FCFI 3
462
463
464
465
466struct lpfc_max_cfg_param {
467 uint16_t max_xri;
468 uint16_t xri_base;
469 uint16_t xri_used;
470 uint16_t max_rpi;
471 uint16_t rpi_base;
472 uint16_t rpi_used;
473 uint16_t max_vpi;
474 uint16_t vpi_base;
475 uint16_t vpi_used;
476 uint16_t max_vfi;
477 uint16_t vfi_base;
478 uint16_t vfi_used;
479 uint16_t max_fcfi;
480 uint16_t fcfi_used;
481 uint16_t max_eq;
482 uint16_t max_rq;
483 uint16_t max_cq;
484 uint16_t max_wq;
485};
486
487struct lpfc_hba;
488
489#define LPFC_SLI4_HANDLER_NAME_SZ 16
490struct lpfc_hba_eq_hdl {
491 uint32_t idx;
492 uint16_t irq;
493 char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
494 struct lpfc_hba *phba;
495 struct lpfc_queue *eq;
496 struct cpumask aff_mask;
497};
498
499#define lpfc_get_eq_hdl(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx])
500#define lpfc_get_aff_mask(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx].aff_mask)
501#define lpfc_get_irq(eqidx) (phba->sli4_hba.hba_eq_hdl[eqidx].irq)
502
503
504struct lpfc_bbscn_params {
505 uint32_t word0;
506#define lpfc_bbscn_min_SHIFT 0
507#define lpfc_bbscn_min_MASK 0x0000000F
508#define lpfc_bbscn_min_WORD word0
509#define lpfc_bbscn_max_SHIFT 4
510#define lpfc_bbscn_max_MASK 0x0000000F
511#define lpfc_bbscn_max_WORD word0
512#define lpfc_bbscn_def_SHIFT 8
513#define lpfc_bbscn_def_MASK 0x0000000F
514#define lpfc_bbscn_def_WORD word0
515};
516
517
518struct lpfc_pc_sli4_params {
519 uint32_t supported;
520 uint32_t if_type;
521 uint32_t sli_rev;
522 uint32_t sli_family;
523 uint32_t featurelevel_1;
524 uint32_t featurelevel_2;
525 uint32_t proto_types;
526#define LPFC_SLI4_PROTO_FCOE 0x0000001
527#define LPFC_SLI4_PROTO_FC 0x0000002
528#define LPFC_SLI4_PROTO_NIC 0x0000004
529#define LPFC_SLI4_PROTO_ISCSI 0x0000008
530#define LPFC_SLI4_PROTO_RDMA 0x0000010
531 uint32_t sge_supp_len;
532 uint32_t if_page_sz;
533 uint32_t rq_db_window;
534 uint32_t loopbk_scope;
535 uint32_t oas_supported;
536 uint32_t eq_pages_max;
537 uint32_t eqe_size;
538 uint32_t cq_pages_max;
539 uint32_t cqe_size;
540 uint32_t mq_pages_max;
541 uint32_t mqe_size;
542 uint32_t mq_elem_cnt;
543 uint32_t wq_pages_max;
544 uint32_t wqe_size;
545 uint32_t rq_pages_max;
546 uint32_t rqe_size;
547 uint32_t hdr_pages_max;
548 uint32_t hdr_size;
549 uint32_t hdr_pp_align;
550 uint32_t sgl_pages_max;
551 uint32_t sgl_pp_align;
552 uint32_t mib_size;
553 uint16_t mi_ver;
554#define LPFC_MIB1_SUPPORT 1
555#define LPFC_MIB2_SUPPORT 2
556#define LPFC_MIB3_SUPPORT 3
557 uint16_t mi_value;
558#define LPFC_DFLT_MIB_VAL 2
559 uint8_t mib_bde_cnt;
560 uint8_t cqv;
561 uint8_t mqv;
562 uint8_t wqv;
563 uint8_t rqv;
564 uint8_t eqav;
565 uint8_t cqav;
566 uint8_t wqsize;
567 uint8_t bv1s;
568 uint8_t pls;
569#define LPFC_WQ_SZ64_SUPPORT 1
570#define LPFC_WQ_SZ128_SUPPORT 2
571 uint8_t wqpcnt;
572 uint8_t nvme;
573};
574
575#define LPFC_CQ_4K_PAGE_SZ 0x1
576#define LPFC_CQ_16K_PAGE_SZ 0x4
577#define LPFC_WQ_4K_PAGE_SZ 0x1
578#define LPFC_WQ_16K_PAGE_SZ 0x4
579
580struct lpfc_iov {
581 uint32_t pf_number;
582 uint32_t vf_number;
583};
584
585struct lpfc_sli4_lnk_info {
586 uint8_t lnk_dv;
587#define LPFC_LNK_DAT_INVAL 0
588#define LPFC_LNK_DAT_VAL 1
589 uint8_t lnk_tp;
590#define LPFC_LNK_GE 0x0
591#define LPFC_LNK_FC 0x1
592#define LPFC_LNK_FC_TRUNKED 0x2
593 uint8_t lnk_no;
594 uint8_t optic_state;
595};
596
597#define LPFC_SLI4_HANDLER_CNT (LPFC_HBA_IO_CHAN_MAX+ \
598 LPFC_FOF_IO_CHAN_NUM)
599
600
601struct lpfc_vector_map_info {
602 uint16_t phys_id;
603 uint16_t core_id;
604 uint16_t eq;
605 uint16_t hdwq;
606 uint16_t flag;
607#define LPFC_CPU_MAP_HYPER 0x1
608#define LPFC_CPU_MAP_UNASSIGN 0x2
609#define LPFC_CPU_FIRST_IRQ 0x4
610};
611#define LPFC_VECTOR_MAP_EMPTY 0xffff
612
613
614#define XRI_BATCH 8
615
616struct lpfc_pbl_pool {
617 struct list_head list;
618 u32 count;
619 spinlock_t lock;
620};
621
622struct lpfc_pvt_pool {
623 u32 low_watermark;
624 u32 high_watermark;
625
626 struct list_head list;
627 u32 count;
628 spinlock_t lock;
629};
630
631struct lpfc_multixri_pool {
632 u32 xri_limit;
633
634
635 u32 rrb_next_hwqid;
636
637
638
639
640
641
642 u32 prev_io_req_count;
643 u32 io_req_count;
644
645
646 u32 pbl_empty_count;
647#ifdef LPFC_MXP_STAT
648 u32 above_limit_count;
649 u32 below_limit_count;
650 u32 local_pbl_hit_count;
651 u32 other_pbl_hit_count;
652 u32 stat_max_hwm;
653
654#define LPFC_MXP_SNAPSHOT_TAKEN 3
655 u32 stat_pbl_count;
656 u32 stat_pvt_count;
657 u32 stat_busy_count;
658 u32 stat_snapshot_taken;
659#endif
660
661
662 struct lpfc_pbl_pool pbl_pool;
663 struct lpfc_pvt_pool pvt_pool;
664};
665
666struct lpfc_fc4_ctrl_stat {
667 u32 input_requests;
668 u32 output_requests;
669 u32 control_requests;
670 u32 io_cmpls;
671};
672
673#ifdef LPFC_HDWQ_LOCK_STAT
674struct lpfc_lock_stat {
675 uint32_t alloc_xri_get;
676 uint32_t alloc_xri_put;
677 uint32_t free_xri;
678 uint32_t wq_access;
679 uint32_t alloc_pvt_pool;
680 uint32_t mv_from_pvt_pool;
681 uint32_t mv_to_pub_pool;
682 uint32_t mv_to_pvt_pool;
683 uint32_t free_pub_pool;
684 uint32_t free_pvt_pool;
685};
686#endif
687
688struct lpfc_eq_intr_info {
689 struct list_head list;
690 uint32_t icnt;
691};
692
693
694struct lpfc_sli4_hdw_queue {
695
696 struct lpfc_queue *hba_eq;
697 struct lpfc_queue *io_cq;
698 struct lpfc_queue *io_wq;
699 uint16_t io_cq_map;
700
701
702 spinlock_t io_buf_list_get_lock;
703 struct list_head lpfc_io_buf_list_get;
704 spinlock_t io_buf_list_put_lock;
705 struct list_head lpfc_io_buf_list_put;
706 spinlock_t abts_io_buf_list_lock;
707 struct list_head lpfc_abts_io_buf_list;
708 uint32_t total_io_bufs;
709 uint32_t get_io_bufs;
710 uint32_t put_io_bufs;
711 uint32_t empty_io_bufs;
712 uint32_t abts_scsi_io_bufs;
713 uint32_t abts_nvme_io_bufs;
714
715
716 struct lpfc_multixri_pool *p_multixri_pool;
717
718
719 struct lpfc_fc4_ctrl_stat nvme_cstat;
720 struct lpfc_fc4_ctrl_stat scsi_cstat;
721#ifdef LPFC_HDWQ_LOCK_STAT
722 struct lpfc_lock_stat lock_conflict;
723#endif
724
725
726 struct list_head sgl_list;
727 struct list_head cmd_rsp_buf_list;
728
729
730 spinlock_t hdwq_lock;
731};
732
733#ifdef LPFC_HDWQ_LOCK_STAT
734
735#define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
736 { \
737 int only_once = 1; \
738 while (spin_trylock_irqsave(lock, flag) == 0) { \
739 if (only_once) { \
740 only_once = 0; \
741 qp->lock_conflict.lstat++; \
742 } \
743 } \
744 }
745#define lpfc_qp_spin_lock(lock, qp, lstat) \
746 { \
747 int only_once = 1; \
748 while (spin_trylock(lock) == 0) { \
749 if (only_once) { \
750 only_once = 0; \
751 qp->lock_conflict.lstat++; \
752 } \
753 } \
754 }
755#else
756#define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
757 spin_lock_irqsave(lock, flag)
758#define lpfc_qp_spin_lock(lock, qp, lstat) spin_lock(lock)
759#endif
760
761#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
762struct lpfc_hdwq_stat {
763 u32 hdwq_no;
764 u32 rcv_io;
765 u32 xmt_io;
766 u32 cmpl_io;
767};
768#endif
769
770struct lpfc_sli4_hba {
771 void __iomem *conf_regs_memmap_p;
772
773
774 void __iomem *ctrl_regs_memmap_p;
775
776
777 void __iomem *drbl_regs_memmap_p;
778
779
780 void __iomem *dpp_regs_memmap_p;
781
782
783 union {
784 struct {
785
786 void __iomem *UERRLOregaddr;
787 void __iomem *UERRHIregaddr;
788 void __iomem *UEMASKLOregaddr;
789 void __iomem *UEMASKHIregaddr;
790 } if_type0;
791 struct {
792
793 void __iomem *STATUSregaddr;
794 void __iomem *CTRLregaddr;
795 void __iomem *ERR1regaddr;
796#define SLIPORT_ERR1_REG_ERR_CODE_1 0x1
797#define SLIPORT_ERR1_REG_ERR_CODE_2 0x2
798 void __iomem *ERR2regaddr;
799#define SLIPORT_ERR2_REG_FW_RESTART 0x0
800#define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1
801#define SLIPORT_ERR2_REG_FORCED_DUMP 0x2
802#define SLIPORT_ERR2_REG_FAILURE_EQ 0x3
803#define SLIPORT_ERR2_REG_FAILURE_CQ 0x4
804#define SLIPORT_ERR2_REG_FAILURE_BUS 0x5
805#define SLIPORT_ERR2_REG_FAILURE_RQ 0x6
806 void __iomem *EQDregaddr;
807 } if_type2;
808 } u;
809
810
811 void __iomem *PSMPHRregaddr;
812
813
814 void __iomem *SLIINTFregaddr;
815
816
817 void __iomem *ISRregaddr;
818 void __iomem *IMRregaddr;
819 void __iomem *ISCRregaddr;
820
821 void __iomem *RQDBregaddr;
822 void __iomem *WQDBregaddr;
823 void __iomem *CQDBregaddr;
824 void __iomem *EQDBregaddr;
825 void __iomem *MQDBregaddr;
826 void __iomem *BMBXregaddr;
827
828 uint32_t ue_mask_lo;
829 uint32_t ue_mask_hi;
830 uint32_t ue_to_sr;
831 uint32_t ue_to_rp;
832 struct lpfc_register sli_intf;
833 struct lpfc_pc_sli4_params pc_sli4_params;
834 struct lpfc_bbscn_params bbscn_params;
835 struct lpfc_hba_eq_hdl *hba_eq_hdl;
836
837 void (*sli4_eq_clr_intr)(struct lpfc_queue *q);
838 void (*sli4_write_eq_db)(struct lpfc_hba *phba, struct lpfc_queue *eq,
839 uint32_t count, bool arm);
840 void (*sli4_write_cq_db)(struct lpfc_hba *phba, struct lpfc_queue *cq,
841 uint32_t count, bool arm);
842
843
844 struct lpfc_sli4_hdw_queue *hdwq;
845 struct list_head lpfc_wq_list;
846
847
848 struct lpfc_queue **nvmet_cqset;
849 struct lpfc_queue **nvmet_mrq_hdr;
850 struct lpfc_queue **nvmet_mrq_data;
851
852 struct lpfc_queue *mbx_cq;
853 struct lpfc_queue *els_cq;
854 struct lpfc_queue *nvmels_cq;
855 struct lpfc_queue *mbx_wq;
856 struct lpfc_queue *els_wq;
857 struct lpfc_queue *nvmels_wq;
858 struct lpfc_queue *hdr_rq;
859 struct lpfc_queue *dat_rq;
860
861 struct lpfc_name wwnn;
862 struct lpfc_name wwpn;
863
864 uint32_t fw_func_mode;
865 uint32_t ulp0_mode;
866 uint32_t ulp1_mode;
867
868
869 uint64_t oas_next_lun;
870 uint8_t oas_next_tgt_wwpn[8];
871 uint8_t oas_next_vpt_wwpn[8];
872
873
874 int eq_esize;
875 int eq_ecount;
876 int cq_esize;
877 int cq_ecount;
878 int wq_esize;
879 int wq_ecount;
880 int mq_esize;
881 int mq_ecount;
882 int rq_esize;
883 int rq_ecount;
884#define LPFC_SP_EQ_MAX_INTR_SEC 10000
885#define LPFC_FP_EQ_MAX_INTR_SEC 10000
886
887 uint32_t intr_enable;
888 struct lpfc_bmbx bmbx;
889 struct lpfc_max_cfg_param max_cfg_param;
890 uint16_t extents_in_use;
891 uint16_t rpi_hdrs_in_use;
892 uint16_t next_xri;
893 uint16_t next_rpi;
894 uint16_t io_xri_max;
895 uint16_t io_xri_cnt;
896 uint16_t io_xri_start;
897 uint16_t els_xri_cnt;
898 uint16_t nvmet_xri_cnt;
899 uint16_t nvmet_io_wait_cnt;
900 uint16_t nvmet_io_wait_total;
901 uint16_t cq_max;
902 struct lpfc_queue **cq_lookup;
903 struct list_head lpfc_els_sgl_list;
904 struct list_head lpfc_abts_els_sgl_list;
905 spinlock_t abts_io_buf_list_lock;
906 struct list_head lpfc_abts_io_buf_list;
907 struct list_head lpfc_nvmet_sgl_list;
908 spinlock_t abts_nvmet_buf_list_lock;
909 struct list_head lpfc_abts_nvmet_ctx_list;
910 spinlock_t t_active_list_lock;
911 struct list_head t_active_ctx_list;
912 struct list_head lpfc_nvmet_io_wait_list;
913 struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
914 struct lpfc_sglq **lpfc_sglq_active_list;
915 struct list_head lpfc_rpi_hdr_list;
916 unsigned long *rpi_bmask;
917 uint16_t *rpi_ids;
918 uint16_t rpi_count;
919 struct list_head lpfc_rpi_blk_list;
920 unsigned long *xri_bmask;
921 uint16_t *xri_ids;
922 struct list_head lpfc_xri_blk_list;
923 unsigned long *vfi_bmask;
924 uint16_t *vfi_ids;
925 uint16_t vfi_count;
926 struct list_head lpfc_vfi_blk_list;
927 struct lpfc_sli4_flags sli4_flags;
928 struct list_head sp_queue_event;
929 struct list_head sp_cqe_event_pool;
930 struct list_head sp_asynce_work_queue;
931 spinlock_t asynce_list_lock;
932 struct list_head sp_els_xri_aborted_work_queue;
933 spinlock_t els_xri_abrt_list_lock;
934 struct list_head sp_unsol_work_queue;
935 struct lpfc_sli4_link link_state;
936 struct lpfc_sli4_lnk_info lnk_info;
937 uint32_t pport_name_sta;
938#define LPFC_SLI4_PPNAME_NON 0
939#define LPFC_SLI4_PPNAME_GET 1
940 struct lpfc_iov iov;
941 spinlock_t sgl_list_lock;
942 spinlock_t nvmet_io_wait_lock;
943 uint32_t physical_port;
944
945
946 struct lpfc_vector_map_info *cpu_map;
947 uint16_t num_possible_cpu;
948 uint16_t num_present_cpu;
949 struct cpumask irq_aff_mask;
950 uint16_t curr_disp_cpu;
951 struct lpfc_eq_intr_info __percpu *eq_info;
952#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
953 struct lpfc_hdwq_stat __percpu *c_stat;
954#endif
955 struct lpfc_idle_stat *idle_stat;
956 uint32_t conf_trunk;
957#define lpfc_conf_trunk_port0_WORD conf_trunk
958#define lpfc_conf_trunk_port0_SHIFT 0
959#define lpfc_conf_trunk_port0_MASK 0x1
960#define lpfc_conf_trunk_port1_WORD conf_trunk
961#define lpfc_conf_trunk_port1_SHIFT 1
962#define lpfc_conf_trunk_port1_MASK 0x1
963#define lpfc_conf_trunk_port2_WORD conf_trunk
964#define lpfc_conf_trunk_port2_SHIFT 2
965#define lpfc_conf_trunk_port2_MASK 0x1
966#define lpfc_conf_trunk_port3_WORD conf_trunk
967#define lpfc_conf_trunk_port3_SHIFT 3
968#define lpfc_conf_trunk_port3_MASK 0x1
969#define lpfc_conf_trunk_port0_nd_WORD conf_trunk
970#define lpfc_conf_trunk_port0_nd_SHIFT 4
971#define lpfc_conf_trunk_port0_nd_MASK 0x1
972#define lpfc_conf_trunk_port1_nd_WORD conf_trunk
973#define lpfc_conf_trunk_port1_nd_SHIFT 5
974#define lpfc_conf_trunk_port1_nd_MASK 0x1
975#define lpfc_conf_trunk_port2_nd_WORD conf_trunk
976#define lpfc_conf_trunk_port2_nd_SHIFT 6
977#define lpfc_conf_trunk_port2_nd_MASK 0x1
978#define lpfc_conf_trunk_port3_nd_WORD conf_trunk
979#define lpfc_conf_trunk_port3_nd_SHIFT 7
980#define lpfc_conf_trunk_port3_nd_MASK 0x1
981};
982
983enum lpfc_sge_type {
984 GEN_BUFF_TYPE,
985 SCSI_BUFF_TYPE,
986 NVMET_BUFF_TYPE
987};
988
989enum lpfc_sgl_state {
990 SGL_FREED,
991 SGL_ALLOCATED,
992 SGL_XRI_ABORTED
993};
994
995struct lpfc_sglq {
996
997 struct list_head list;
998 struct list_head clist;
999 enum lpfc_sge_type buff_type;
1000 enum lpfc_sgl_state state;
1001 struct lpfc_nodelist *ndlp;
1002 uint16_t iotag;
1003 uint16_t sli4_lxritag;
1004 uint16_t sli4_xritag;
1005 struct sli4_sge *sgl;
1006 void *virt;
1007 dma_addr_t phys;
1008};
1009
1010struct lpfc_rpi_hdr {
1011 struct list_head list;
1012 uint32_t len;
1013 struct lpfc_dmabuf *dmabuf;
1014 uint32_t page_count;
1015 uint32_t start_rpi;
1016 uint16_t next_rpi;
1017};
1018
1019struct lpfc_rsrc_blks {
1020 struct list_head list;
1021 uint16_t rsrc_start;
1022 uint16_t rsrc_size;
1023 uint16_t rsrc_used;
1024};
1025
1026struct lpfc_rdp_context {
1027 struct lpfc_nodelist *ndlp;
1028 uint16_t ox_id;
1029 uint16_t rx_id;
1030 READ_LNK_VAR link_stat;
1031 uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
1032 uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
1033 void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
1034};
1035
1036struct lpfc_lcb_context {
1037 uint8_t sub_command;
1038 uint8_t type;
1039 uint8_t capability;
1040 uint8_t frequency;
1041 uint16_t duration;
1042 uint16_t ox_id;
1043 uint16_t rx_id;
1044 struct lpfc_nodelist *ndlp;
1045};
1046
1047
1048
1049
1050
1051int lpfc_pci_function_reset(struct lpfc_hba *);
1052int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
1053int lpfc_sli4_hba_setup(struct lpfc_hba *);
1054int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
1055 uint8_t, uint32_t, bool);
1056void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
1057void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
1058void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
1059 struct lpfc_mbx_sge *);
1060int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
1061 uint16_t);
1062
1063void lpfc_sli4_hba_reset(struct lpfc_hba *);
1064struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *phba,
1065 uint32_t page_size,
1066 uint32_t entry_size,
1067 uint32_t entry_count, int cpu);
1068void lpfc_sli4_queue_free(struct lpfc_queue *);
1069int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
1070void lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
1071 uint32_t numq, uint32_t usdelay);
1072int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
1073 struct lpfc_queue *, uint32_t, uint32_t);
1074int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
1075 struct lpfc_sli4_hdw_queue *hdwq, uint32_t type,
1076 uint32_t subtype);
1077int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
1078 struct lpfc_queue *, uint32_t);
1079int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
1080 struct lpfc_queue *, uint32_t);
1081int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
1082 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
1083int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
1084 struct lpfc_queue **drqp, struct lpfc_queue **cqp,
1085 uint32_t subtype);
1086int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1087int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1088int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1089int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1090int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
1091 struct lpfc_queue *);
1092int lpfc_sli4_queue_setup(struct lpfc_hba *);
1093void lpfc_sli4_queue_unset(struct lpfc_hba *);
1094int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
1095int lpfc_repost_io_sgl_list(struct lpfc_hba *phba);
1096uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
1097void lpfc_sli4_free_xri(struct lpfc_hba *, int);
1098int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
1099struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1100struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1101void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1102void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1103int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
1104int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
1105int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
1106struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
1107void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
1108int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
1109void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
1110void lpfc_sli4_remove_rpis(struct lpfc_hba *);
1111void lpfc_sli4_async_event_proc(struct lpfc_hba *);
1112void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
1113int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
1114 void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
1115void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba);
1116void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
1117 struct sli4_wcqe_xri_aborted *axri,
1118 struct lpfc_io_buf *lpfc_ncmd);
1119void lpfc_sli4_io_xri_aborted(struct lpfc_hba *phba,
1120 struct sli4_wcqe_xri_aborted *axri, int idx);
1121void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
1122 struct sli4_wcqe_xri_aborted *axri);
1123void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
1124 struct sli4_wcqe_xri_aborted *);
1125void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
1126void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
1127int lpfc_sli4_brdreset(struct lpfc_hba *);
1128int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
1129void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
1130int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
1131int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
1132int lpfc_sli4_init_vpi(struct lpfc_vport *);
1133void lpfc_sli4_eq_clr_intr(struct lpfc_queue *);
1134void lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1135 uint32_t count, bool arm);
1136void lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1137 uint32_t count, bool arm);
1138void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q);
1139void lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1140 uint32_t count, bool arm);
1141void lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1142 uint32_t count, bool arm);
1143void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
1144int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
1145int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
1146int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
1147void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1148void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1149void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1150int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
1151int lpfc_sli4_post_status_check(struct lpfc_hba *);
1152uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1153uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1154void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba);
1155struct sli4_hybrid_sgl *lpfc_get_sgl_per_hdwq(struct lpfc_hba *phba,
1156 struct lpfc_io_buf *buf);
1157struct fcp_cmd_rsp_buf *lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1158 struct lpfc_io_buf *buf);
1159int lpfc_put_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *buf);
1160int lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1161 struct lpfc_io_buf *buf);
1162void lpfc_free_sgl_per_hdwq(struct lpfc_hba *phba,
1163 struct lpfc_sli4_hdw_queue *hdwq);
1164void lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1165 struct lpfc_sli4_hdw_queue *hdwq);
1166static inline void *lpfc_sli4_qe(struct lpfc_queue *q, uint16_t idx)
1167{
1168 return q->q_pgs[idx / q->entry_cnt_per_pg] +
1169 (q->entry_size * (idx % q->entry_cnt_per_pg));
1170}
1171