1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2009-2016 Emulex. All rights reserved. *
7 * EMULEX and SLI are trademarks of Emulex. *
10 * This program is free software; you can redistribute it and/or *
11 * modify it under the terms of version 2 of the GNU General *
12 * Public License as published by the Free Software Foundation. *
13 * This program is distributed in the hope that it will be useful. *
14 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
15 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
16 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
17 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
18 * TO BE LEGALLY INVALID. See the GNU General Public License for *
19 * more details, a copy of which can be found in the file COPYING *
20 * included with this package. *
21 *******************************************************************/
23 #include <linux/irq_poll.h>
24 #include <linux/cpufreq.h>
26 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
27 #define CONFIG_SCSI_LPFC_DEBUG_FS
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
36 #define LPFC_UNREG_FCF 1
37 #define LPFC_SKIP_UNREG_FCF 0
39 /* Amount of time in seconds for waiting FCF rediscovery to complete */
40 #define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
42 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
43 #define LPFC_NEMBED_MBOX_SGL_CNT 254
45 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
46 #define LPFC_HBA_HDWQ_MIN 0
47 #define LPFC_HBA_HDWQ_MAX 256
48 #define LPFC_HBA_HDWQ_DEF LPFC_HBA_HDWQ_MIN
50 /* irq_chann range, values */
51 #define LPFC_IRQ_CHANN_MIN 0
52 #define LPFC_IRQ_CHANN_MAX 256
53 #define LPFC_IRQ_CHANN_DEF LPFC_IRQ_CHANN_MIN
55 /* FCP MQ queue count limiting */
56 #define LPFC_FCP_MQ_THRESHOLD_MIN 0
57 #define LPFC_FCP_MQ_THRESHOLD_MAX 256
58 #define LPFC_FCP_MQ_THRESHOLD_DEF 8
61 * Provide the default FCF Record attributes used by the driver
62 * when nonFIP mode is configured and there is no other default
63 * FCF Record attributes.
65 #define LPFC_FCOE_FCF_DEF_INDEX 0
66 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
67 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
69 #define LPFC_FCOE_NULL_VID 0xFFF
70 #define LPFC_FCOE_IGNORE_VID 0xFFFF
72 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
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
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 | \
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 | \
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])
98 #define sli4_type_from_fc_hdr(fc_hdr) \
101 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
103 #define INT_FW_UPGRADE 0
104 #define RUN_FW_UPGRADE 1
106 enum lpfc_sli4_queue_type
{
118 /* The queue sub-type defines the functional purpose of the queue */
119 enum lpfc_sli4_queue_subtype
{
131 uint16_t entry_count
; /* Current number of RQ slots */
132 uint16_t buffer_count
; /* Current number of buffers posted */
133 struct list_head rqb_buffer_list
; /* buffers assigned to this HBQ */
134 /* Callback for HBQ buffer allocation */
135 struct rqb_dmabuf
*(*rqb_alloc_buffer
)(struct lpfc_hba
*);
136 /* Callback for HBQ buffer free */
137 void (*rqb_free_buffer
)(struct lpfc_hba
*,
138 struct rqb_dmabuf
*);
141 enum lpfc_poll_mode
{
146 struct lpfc_idle_stat
{
152 struct list_head list
;
153 struct list_head wq_list
;
156 * If interrupts are in effect on _all_ the eq's the footprint
157 * of polling code is zero (except mode). This memory is chec-
158 * ked for every io to see if the io needs to be polled and
159 * while completion to check if the eq's needs to be rearmed.
160 * Keep in same cacheline as the queue ptr to avoid cpu fetch
161 * stalls. Using 1B memory will leave us with 7B hole. Fill
162 * it with other frequently used members.
164 uint16_t last_cpu
; /* most recent cpu */
167 uint8_t mode
; /* interrupt or polling */
168 #define LPFC_EQ_INTERRUPT 0
169 #define LPFC_EQ_POLL 1
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
; /* Number of entries to support on the queue */
180 uint32_t entry_size
; /* Size of each queue entry. */
181 uint32_t entry_cnt_per_pg
;
182 uint32_t notify_interval
; /* Queue Notification Interval
183 * For chip->host queues (EQ, CQ, RQ):
184 * specifies the interval (number of
185 * entries) where the doorbell is rung to
186 * notify the chip of entry consumption.
187 * For host->chip queues (WQ):
188 * specifies the interval (number of
189 * entries) where consumption CQE is
190 * requested to indicate WQ entries
191 * consumed by the chip.
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
; /* Queue Processing Limit
199 * For chip->host queues (EQ, CQ):
200 * specifies the maximum number of
201 * entries to be consumed in one
202 * processing iteration sequence. Queue
203 * will be rearmed after each iteration.
204 * Not used on an MQ, RQ or WQ.
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 // 4096
209 #define LPFC_CQ_DEF_MAX_PROC_LIMIT LPFC_CQE_DEF_COUNT // 1024
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
; /* indicates queue is being processed */
214 uint32_t queue_id
; /* Queue ID assigned by the hardware */
215 uint32_t assoc_qid
; /* Queue ID associated with, for CQ/WQ/MQ */
216 uint32_t host_index
; /* The host's index for putting or getting */
217 uint32_t hba_index
; /* The last known hba index for get or put */
220 struct lpfc_sli_ring
*pring
; /* ptr to io ring associated with q */
221 struct lpfc_rqb
*rqbp
; /* ptr to RQ buffers */
223 uint16_t page_count
; /* Number of pages allocated for this queue */
224 uint16_t page_size
; /* size of page allocated for this queue */
225 #define LPFC_EXPANDED_PAGE_SIZE 16384
226 #define LPFC_DEFAULT_PAGE_SIZE 4096
227 uint16_t chann
; /* Hardware Queue association WQ/CQ */
228 /* CPU affinity for EQ */
229 #define LPFC_FIND_BY_EQ 0
230 #define LPFC_FIND_BY_HDWQ 1
232 #define LPFC_DB_RING_FORMAT 0x01
233 #define LPFC_DB_LIST_FORMAT 0x02
235 #define HBA_NVMET_WQFULL 0x1 /* We hit WQ Full condition for NVMET */
236 #define HBA_NVMET_CQ_NOTIFY 0x1 /* LPFC_NVMET_CQ_NOTIFY CQEs this EQE */
237 #define HBA_EQ_DELAY_CHK 0x2 /* EQ is a candidate for coalescing */
238 #define LPFC_NVMET_CQ_NOTIFY 4
239 void __iomem
*db_regaddr
;
242 void __iomem
*dpp_regaddr
;
249 /* defines for EQ stats */
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
255 /* defines for CQ stats */
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
262 /* defines for WQ stats */
263 #define WQ_overflow q_cnt_1
264 #define WQ_posted q_cnt_4
266 /* defines for RQ stats */
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
272 struct work_struct irqwork
;
273 struct work_struct spwork
;
274 struct delayed_work sched_irqwork
;
275 struct delayed_work sched_spwork
;
277 uint64_t isr_timestamp
;
278 struct lpfc_queue
*assoc_qp
;
279 struct list_head _poll_list
;
280 void **q_pgs
; /* array to index entries per page */
282 #define LPFC_IRQ_POLL_WEIGHT 256
284 enum lpfc_poll_mode poll_mode
;
287 struct lpfc_sli4_link
{
294 uint32_t logical_speed
;
298 struct lpfc_fcf_rec
{
299 uint8_t fabric_name
[8];
300 uint8_t switch_name
[8];
307 #define BOOT_ENABLE 0x01
308 #define RECORD_VALID 0x02
311 struct lpfc_fcf_pri_rec
{
313 #define LPFC_FCF_ON_PRI_LIST 0x0001
314 #define LPFC_FCF_FLOGI_FAILED 0x0002
319 struct lpfc_fcf_pri
{
320 struct list_head list
;
321 struct lpfc_fcf_pri_rec fcf_rec
;
325 * Maximum FCF table index, it is for driver internal book keeping, it
326 * just needs to be no less than the supported HBA's FCF table size.
328 #define LPFC_SLI4_FCF_TBL_INDX_MAX 32
333 #define FCF_AVAILABLE 0x01 /* FCF available for discovery */
334 #define FCF_REGISTERED 0x02 /* FCF registered with FW */
335 #define FCF_SCAN_DONE 0x04 /* FCF table scan done */
336 #define FCF_IN_USE 0x08 /* Atleast one discovery completed */
337 #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
338 #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
339 #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
340 #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
341 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
342 #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
343 #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
344 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
345 uint16_t fcf_redisc_attempted
;
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
; /* Eligible FCF indexes for RR failover */
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
365 struct lpfc_fip_param_hdr
{
367 #define FCOE_PARAM_TYPE 0xA0
369 #define FCOE_PARAM_LENGTH 2
370 uint8_t parm_version
;
371 #define FIPP_VERSION 0x01
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
381 struct lpfc_fcoe_params
{
388 struct lpfc_fcf_conn_hdr
{
390 #define FCOE_CONN_TBL_TYPE 0xA1
391 uint8_t length
; /* words */
395 struct lpfc_fcf_conn_rec
{
397 #define FCFCNCT_VALID 0x0001
398 #define FCFCNCT_BOOT 0x0002
399 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
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 /* if not set, AM Required */
405 #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
408 uint8_t fabric_name
[8];
409 uint8_t switch_name
[8];
412 struct lpfc_fcf_conn_entry
{
413 struct list_head list
;
414 struct lpfc_fcf_conn_rec conn_rec
;
418 * Define the host's bootstrap mailbox. This structure contains
419 * the member attributes needed to create, use, and destroy the
420 * bootstrap mailbox region.
422 * The macro definitions for the bmbx data structure are defined
423 * in lpfc_hw4.h with the register definition.
426 struct lpfc_dmabuf
*dmabuf
;
427 struct dma_address dma_address
;
433 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
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
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
451 #define LPFC_QUEUE_NOARM false
452 #define LPFC_QUEUE_REARM true
456 * SLI4 CT field defines
458 #define SLI4_CT_RPI 0
459 #define SLI4_CT_VPI 1
460 #define SLI4_CT_VFI 2
461 #define SLI4_CT_FCFI 3
464 * SLI4 specific data structures
466 struct lpfc_max_cfg_param
{
488 /* SLI4 HBA multi-fcp queue handler struct */
489 #define LPFC_SLI4_HANDLER_NAME_SZ 16
490 struct lpfc_hba_eq_hdl
{
493 char handler_name
[LPFC_SLI4_HANDLER_NAME_SZ
];
494 struct lpfc_hba
*phba
;
495 struct lpfc_queue
*eq
;
496 struct cpumask aff_mask
;
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)
503 /*BB Credit recovery value*/
504 struct lpfc_bbscn_params
{
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
517 /* Port Capabilities for SLI4 Parameters */
518 struct lpfc_pc_sli4_params
{
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
;
533 uint32_t rq_db_window
;
534 uint32_t loopbk_scope
;
535 uint32_t oas_supported
;
536 uint32_t eq_pages_max
;
538 uint32_t cq_pages_max
;
540 uint32_t mq_pages_max
;
542 uint32_t mq_elem_cnt
;
543 uint32_t wq_pages_max
;
545 uint32_t rq_pages_max
;
547 uint32_t hdr_pages_max
;
549 uint32_t hdr_pp_align
;
550 uint32_t sgl_pages_max
;
551 uint32_t sgl_pp_align
;
554 #define LPFC_MIB1_SUPPORT 1
555 #define LPFC_MIB2_SUPPORT 2
556 #define LPFC_MIB3_SUPPORT 3
558 #define LPFC_DFLT_MIB_VAL 2
569 #define LPFC_WQ_SZ64_SUPPORT 1
570 #define LPFC_WQ_SZ128_SUPPORT 2
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
585 struct lpfc_sli4_lnk_info
{
587 #define LPFC_LNK_DAT_INVAL 0
588 #define LPFC_LNK_DAT_VAL 1
590 #define LPFC_LNK_GE 0x0 /* FCoE */
591 #define LPFC_LNK_FC 0x1 /* FC */
592 #define LPFC_LNK_FC_TRUNKED 0x2 /* FC_Trunked */
597 #define LPFC_SLI4_HANDLER_CNT (LPFC_HBA_IO_CHAN_MAX+ \
598 LPFC_FOF_IO_CHAN_NUM)
600 /* Used for tracking CPU mapping attributes */
601 struct lpfc_vector_map_info
{
607 #define LPFC_CPU_MAP_HYPER 0x1
608 #define LPFC_CPU_MAP_UNASSIGN 0x2
609 #define LPFC_CPU_FIRST_IRQ 0x4
611 #define LPFC_VECTOR_MAP_EMPTY 0xffff
616 struct lpfc_pbl_pool
{
617 struct list_head list
;
619 spinlock_t lock
; /* lock for pbl_pool*/
622 struct lpfc_pvt_pool
{
626 struct list_head list
;
628 spinlock_t lock
; /* lock for pvt_pool */
631 struct lpfc_multixri_pool
{
634 /* Starting point when searching a pbl_pool with round-robin method */
637 /* Used by lpfc_adjust_pvt_pool_count.
638 * io_req_count is incremented by 1 during IO submission. The heartbeat
639 * handler uses these two variables to determine if pvt_pool is idle or
642 u32 prev_io_req_count
;
648 u32 above_limit_count
;
649 u32 below_limit_count
;
650 u32 local_pbl_hit_count
;
651 u32 other_pbl_hit_count
;
654 #define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */
658 u32 stat_snapshot_taken
;
661 /* TODO: Separate pvt_pool into get and put list */
662 struct lpfc_pbl_pool pbl_pool
; /* Public free XRI pool */
663 struct lpfc_pvt_pool pvt_pool
; /* Private free XRI pool */
666 struct lpfc_fc4_ctrl_stat
{
669 u32 control_requests
;
673 #ifdef LPFC_HDWQ_LOCK_STAT
674 struct lpfc_lock_stat
{
675 uint32_t alloc_xri_get
;
676 uint32_t alloc_xri_put
;
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
;
688 struct lpfc_eq_intr_info
{
689 struct list_head list
;
693 /* SLI4 HBA data structure entries */
694 struct lpfc_sli4_hdw_queue
{
695 /* Pointers to the constructed SLI4 queues */
696 struct lpfc_queue
*hba_eq
; /* Event queues for HBA */
697 struct lpfc_queue
*io_cq
; /* Fast-path FCP & NVME compl queue */
698 struct lpfc_queue
*io_wq
; /* Fast-path FCP & NVME work queue */
701 /* Keep track of IO buffers for this hardware queue */
702 spinlock_t io_buf_list_get_lock
; /* Common buf alloc list lock */
703 struct list_head lpfc_io_buf_list_get
;
704 spinlock_t io_buf_list_put_lock
; /* Common buf free list lock */
705 struct list_head lpfc_io_buf_list_put
;
706 spinlock_t abts_io_buf_list_lock
; /* list of aborted IOs */
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
;
715 /* Multi-XRI pool per HWQ */
716 struct lpfc_multixri_pool
*p_multixri_pool
;
718 /* FC-4 Stats counters */
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
;
725 /* Per HDWQ pool resources */
726 struct list_head sgl_list
;
727 struct list_head cmd_rsp_buf_list
;
729 /* Lock for syncing Per HDWQ pool resources */
730 spinlock_t hdwq_lock
;
733 #ifdef LPFC_HDWQ_LOCK_STAT
734 /* compile time trylock stats */
735 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
738 while (spin_trylock_irqsave(lock, flag) == 0) { \
741 qp->lock_conflict.lstat++; \
745 #define lpfc_qp_spin_lock(lock, qp, lstat) \
748 while (spin_trylock(lock) == 0) { \
751 qp->lock_conflict.lstat++; \
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)
761 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
762 struct lpfc_hdwq_stat
{
770 struct lpfc_sli4_hba
{
771 void __iomem
*conf_regs_memmap_p
; /* Kernel memory mapped address for
772 * config space registers
774 void __iomem
*ctrl_regs_memmap_p
; /* Kernel memory mapped address for
777 void __iomem
*drbl_regs_memmap_p
; /* Kernel memory mapped address for
780 void __iomem
*dpp_regs_memmap_p
; /* Kernel memory mapped address for
785 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
786 void __iomem
*UERRLOregaddr
;
787 void __iomem
*UERRHIregaddr
;
788 void __iomem
*UEMASKLOregaddr
;
789 void __iomem
*UEMASKHIregaddr
;
792 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
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
;
810 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
811 void __iomem
*PSMPHRregaddr
;
813 /* Well-known SLI INTF register memory map. */
814 void __iomem
*SLIINTFregaddr
;
816 /* IF type 0, BAR 1 function CSR register memory map */
817 void __iomem
*ISRregaddr
; /* HST_ISR register */
818 void __iomem
*IMRregaddr
; /* HST_IMR register */
819 void __iomem
*ISCRregaddr
; /* HST_ISCR register */
820 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
821 void __iomem
*RQDBregaddr
; /* RQ_DOORBELL register */
822 void __iomem
*WQDBregaddr
; /* WQ_DOORBELL register */
823 void __iomem
*CQDBregaddr
; /* CQ_DOORBELL register */
824 void __iomem
*EQDBregaddr
; /* EQ_DOORBELL register */
825 void __iomem
*MQDBregaddr
; /* MQ_DOORBELL register */
826 void __iomem
*BMBXregaddr
; /* BootStrap MBX register */
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
; /* HBA per-WQ handle */
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
);
843 /* Pointers to the constructed SLI4 queues */
844 struct lpfc_sli4_hdw_queue
*hdwq
;
845 struct list_head lpfc_wq_list
;
847 /* Pointers to the constructed SLI4 queues for NVMET */
848 struct lpfc_queue
**nvmet_cqset
; /* Fast-path NVMET CQ Set queues */
849 struct lpfc_queue
**nvmet_mrq_hdr
; /* Fast-path NVMET hdr MRQs */
850 struct lpfc_queue
**nvmet_mrq_data
; /* Fast-path NVMET data MRQs */
852 struct lpfc_queue
*mbx_cq
; /* Slow-path mailbox complete queue */
853 struct lpfc_queue
*els_cq
; /* Slow-path ELS response complete queue */
854 struct lpfc_queue
*nvmels_cq
; /* NVME LS complete queue */
855 struct lpfc_queue
*mbx_wq
; /* Slow-path MBOX work queue */
856 struct lpfc_queue
*els_wq
; /* Slow-path ELS work queue */
857 struct lpfc_queue
*nvmels_wq
; /* NVME LS work queue */
858 struct lpfc_queue
*hdr_rq
; /* Slow-path Header Receive queue */
859 struct lpfc_queue
*dat_rq
; /* Slow-path Data Receive queue */
861 struct lpfc_name wwnn
;
862 struct lpfc_name wwpn
;
864 uint32_t fw_func_mode
; /* FW function protocol mode */
865 uint32_t ulp0_mode
; /* ULP0 protocol mode */
866 uint32_t ulp1_mode
; /* ULP1 protocol mode */
868 /* Optimized Access Storage specific queues/structures */
869 uint64_t oas_next_lun
;
870 uint8_t oas_next_tgt_wwpn
[8];
871 uint8_t oas_next_vpt_wwpn
[8];
873 /* Setup information for various queue parameters */
884 #define LPFC_SP_EQ_MAX_INTR_SEC 10000
885 #define LPFC_FP_EQ_MAX_INTR_SEC 10000
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
; /* must allocate resource extents. */
891 uint16_t rpi_hdrs_in_use
; /* must post rpi hdrs if set. */
892 uint16_t next_xri
; /* last_xri - max_cfg_param.xri_base = used */
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
;
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
; /* list of aborted SCSI IOs */
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
; /* list of aborted NVMET IOs */
909 struct list_head lpfc_abts_nvmet_ctx_list
;
910 spinlock_t t_active_list_lock
; /* list of active NVMET IOs */
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
;
919 struct list_head lpfc_rpi_blk_list
;
920 unsigned long *xri_bmask
;
922 struct list_head lpfc_xri_blk_list
;
923 unsigned long *vfi_bmask
;
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
; /* protect sp_asynce_work_queue list */
932 struct list_head sp_els_xri_aborted_work_queue
;
933 spinlock_t els_xri_abrt_list_lock
; /* protect els_xri_aborted list */
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
941 spinlock_t sgl_list_lock
; /* list of aborted els IOs */
942 spinlock_t nvmet_io_wait_lock
; /* IOs waiting for ctx resources */
943 uint32_t physical_port
;
945 /* CPU to vector mapping information */
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
;
955 struct lpfc_idle_stat
*idle_stat
;
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
989 enum lpfc_sgl_state
{
996 /* lpfc_sglqs are used in double linked lists */
997 struct list_head list
;
998 struct list_head clist
;
999 enum lpfc_sge_type buff_type
; /* is this a scsi sgl */
1000 enum lpfc_sgl_state state
;
1001 struct lpfc_nodelist
*ndlp
; /* ndlp associated with IO */
1002 uint16_t iotag
; /* pre-assigned IO tag */
1003 uint16_t sli4_lxritag
; /* logical pre-assigned xri. */
1004 uint16_t sli4_xritag
; /* pre-assigned XRI, (OXID) tag. */
1005 struct sli4_sge
*sgl
; /* pre-assigned SGL */
1006 void *virt
; /* virtual address. */
1007 dma_addr_t phys
; /* physical address */
1010 struct lpfc_rpi_hdr
{
1011 struct list_head list
;
1013 struct lpfc_dmabuf
*dmabuf
;
1014 uint32_t page_count
;
1019 struct lpfc_rsrc_blks
{
1020 struct list_head list
;
1021 uint16_t rsrc_start
;
1026 struct lpfc_rdp_context
{
1027 struct lpfc_nodelist
*ndlp
;
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);
1036 struct lpfc_lcb_context
{
1037 uint8_t sub_command
;
1044 struct lpfc_nodelist
*ndlp
;
1049 * SLI4 specific function prototypes
1051 int lpfc_pci_function_reset(struct lpfc_hba
*);
1052 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba
*);
1053 int lpfc_sli4_hba_setup(struct lpfc_hba
*);
1054 int lpfc_sli4_config(struct lpfc_hba
*, struct lpfcMboxq
*, uint8_t,
1055 uint8_t, uint32_t, bool);
1056 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba
*, struct lpfcMboxq
*);
1057 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq
*, uint32_t, dma_addr_t
, uint32_t);
1058 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq
*, uint32_t,
1059 struct lpfc_mbx_sge
*);
1060 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba
*, struct lpfcMboxq
*,
1063 void lpfc_sli4_hba_reset(struct lpfc_hba
*);
1064 struct lpfc_queue
*lpfc_sli4_queue_alloc(struct lpfc_hba
*phba
,
1066 uint32_t entry_size
,
1067 uint32_t entry_count
, int cpu
);
1068 void lpfc_sli4_queue_free(struct lpfc_queue
*);
1069 int lpfc_eq_create(struct lpfc_hba
*, struct lpfc_queue
*, uint32_t);
1070 void lpfc_modify_hba_eq_delay(struct lpfc_hba
*phba
, uint32_t startq
,
1071 uint32_t numq
, uint32_t usdelay
);
1072 int lpfc_cq_create(struct lpfc_hba
*, struct lpfc_queue
*,
1073 struct lpfc_queue
*, uint32_t, uint32_t);
1074 int lpfc_cq_create_set(struct lpfc_hba
*phba
, struct lpfc_queue
**cqp
,
1075 struct lpfc_sli4_hdw_queue
*hdwq
, uint32_t type
,
1077 int32_t lpfc_mq_create(struct lpfc_hba
*, struct lpfc_queue
*,
1078 struct lpfc_queue
*, uint32_t);
1079 int lpfc_wq_create(struct lpfc_hba
*, struct lpfc_queue
*,
1080 struct lpfc_queue
*, uint32_t);
1081 int lpfc_rq_create(struct lpfc_hba
*, struct lpfc_queue
*,
1082 struct lpfc_queue
*, struct lpfc_queue
*, uint32_t);
1083 int lpfc_mrq_create(struct lpfc_hba
*phba
, struct lpfc_queue
**hrqp
,
1084 struct lpfc_queue
**drqp
, struct lpfc_queue
**cqp
,
1086 int lpfc_eq_destroy(struct lpfc_hba
*, struct lpfc_queue
*);
1087 int lpfc_cq_destroy(struct lpfc_hba
*, struct lpfc_queue
*);
1088 int lpfc_mq_destroy(struct lpfc_hba
*, struct lpfc_queue
*);
1089 int lpfc_wq_destroy(struct lpfc_hba
*, struct lpfc_queue
*);
1090 int lpfc_rq_destroy(struct lpfc_hba
*, struct lpfc_queue
*,
1091 struct lpfc_queue
*);
1092 int lpfc_sli4_queue_setup(struct lpfc_hba
*);
1093 void lpfc_sli4_queue_unset(struct lpfc_hba
*);
1094 int lpfc_sli4_post_sgl(struct lpfc_hba
*, dma_addr_t
, dma_addr_t
, uint16_t);
1095 int lpfc_repost_io_sgl_list(struct lpfc_hba
*phba
);
1096 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba
*);
1097 void lpfc_sli4_free_xri(struct lpfc_hba
*, int);
1098 int lpfc_sli4_post_async_mbox(struct lpfc_hba
*);
1099 struct lpfc_cq_event
*__lpfc_sli4_cq_event_alloc(struct lpfc_hba
*);
1100 struct lpfc_cq_event
*lpfc_sli4_cq_event_alloc(struct lpfc_hba
*);
1101 void __lpfc_sli4_cq_event_release(struct lpfc_hba
*, struct lpfc_cq_event
*);
1102 void lpfc_sli4_cq_event_release(struct lpfc_hba
*, struct lpfc_cq_event
*);
1103 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*);
1104 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba
*, struct lpfc_rpi_hdr
*);
1105 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba
*);
1106 struct lpfc_rpi_hdr
*lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*);
1107 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*);
1108 int lpfc_sli4_alloc_rpi(struct lpfc_hba
*);
1109 void lpfc_sli4_free_rpi(struct lpfc_hba
*, int);
1110 void lpfc_sli4_remove_rpis(struct lpfc_hba
*);
1111 void lpfc_sli4_async_event_proc(struct lpfc_hba
*);
1112 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*);
1113 int lpfc_sli4_resume_rpi(struct lpfc_nodelist
*,
1114 void (*)(struct lpfc_hba
*, LPFC_MBOXQ_t
*), void *);
1115 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba
*phba
);
1116 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba
*phba
,
1117 struct sli4_wcqe_xri_aborted
*axri
,
1118 struct lpfc_io_buf
*lpfc_ncmd
);
1119 void lpfc_sli4_io_xri_aborted(struct lpfc_hba
*phba
,
1120 struct sli4_wcqe_xri_aborted
*axri
, int idx
);
1121 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba
*phba
,
1122 struct sli4_wcqe_xri_aborted
*axri
);
1123 void lpfc_sli4_els_xri_aborted(struct lpfc_hba
*,
1124 struct sli4_wcqe_xri_aborted
*);
1125 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport
*);
1126 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport
*);
1127 int lpfc_sli4_brdreset(struct lpfc_hba
*);
1128 int lpfc_sli4_add_fcf_record(struct lpfc_hba
*, struct fcf_record
*);
1129 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba
*);
1130 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*);
1131 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba
*phba
);
1132 int lpfc_sli4_init_vpi(struct lpfc_vport
*);
1133 void lpfc_sli4_eq_clr_intr(struct lpfc_queue
*);
1134 void lpfc_sli4_write_cq_db(struct lpfc_hba
*phba
, struct lpfc_queue
*q
,
1135 uint32_t count
, bool arm
);
1136 void lpfc_sli4_write_eq_db(struct lpfc_hba
*phba
, struct lpfc_queue
*q
,
1137 uint32_t count
, bool arm
);
1138 void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue
*q
);
1139 void lpfc_sli4_if6_write_cq_db(struct lpfc_hba
*phba
, struct lpfc_queue
*q
,
1140 uint32_t count
, bool arm
);
1141 void lpfc_sli4_if6_write_eq_db(struct lpfc_hba
*phba
, struct lpfc_queue
*q
,
1142 uint32_t count
, bool arm
);
1143 void lpfc_sli4_fcfi_unreg(struct lpfc_hba
*, uint16_t);
1144 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba
*, uint16_t);
1145 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba
*, uint16_t);
1146 int lpfc_sli4_read_fcf_rec(struct lpfc_hba
*, uint16_t);
1147 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1148 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1149 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1150 int lpfc_sli4_unregister_fcf(struct lpfc_hba
*);
1151 int lpfc_sli4_post_status_check(struct lpfc_hba
*);
1152 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1153 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1154 void lpfc_sli4_ras_dma_free(struct lpfc_hba
*phba
);
1155 struct sli4_hybrid_sgl
*lpfc_get_sgl_per_hdwq(struct lpfc_hba
*phba
,
1156 struct lpfc_io_buf
*buf
);
1157 struct fcp_cmd_rsp_buf
*lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba
*phba
,
1158 struct lpfc_io_buf
*buf
);
1159 int lpfc_put_sgl_per_hdwq(struct lpfc_hba
*phba
, struct lpfc_io_buf
*buf
);
1160 int lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba
*phba
,
1161 struct lpfc_io_buf
*buf
);
1162 void lpfc_free_sgl_per_hdwq(struct lpfc_hba
*phba
,
1163 struct lpfc_sli4_hdw_queue
*hdwq
);
1164 void lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba
*phba
,
1165 struct lpfc_sli4_hdw_queue
*hdwq
);
1166 static inline void *lpfc_sli4_qe(struct lpfc_queue
*q
, uint16_t idx
)
1168 return q
->q_pgs
[idx
/ q
->entry_cnt_per_pg
] +
1169 (q
->entry_size
* (idx
% q
->entry_cnt_per_pg
));