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 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
24 #define CONFIG_SCSI_LPFC_DEBUG_FS
27 #define LPFC_ACTIVE_MBOX_WAIT_CNT 100
28 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000
29 #define LPFC_XRI_EXCH_BUSY_WAIT_T1 10
30 #define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000
31 #define LPFC_RPI_LOW_WATER_MARK 10
33 #define LPFC_UNREG_FCF 1
34 #define LPFC_SKIP_UNREG_FCF 0
36 /* Amount of time in seconds for waiting FCF rediscovery to complete */
37 #define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
39 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
40 #define LPFC_NEMBED_MBOX_SGL_CNT 254
42 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
43 #define LPFC_HBA_HDWQ_MIN 0
44 #define LPFC_HBA_HDWQ_MAX 256
45 #define LPFC_HBA_HDWQ_DEF LPFC_HBA_HDWQ_MIN
47 /* irq_chann range, values */
48 #define LPFC_IRQ_CHANN_MIN 0
49 #define LPFC_IRQ_CHANN_MAX 256
50 #define LPFC_IRQ_CHANN_DEF LPFC_IRQ_CHANN_MIN
52 /* FCP MQ queue count limiting */
53 #define LPFC_FCP_MQ_THRESHOLD_MIN 0
54 #define LPFC_FCP_MQ_THRESHOLD_MAX 256
55 #define LPFC_FCP_MQ_THRESHOLD_DEF 8
58 * Provide the default FCF Record attributes used by the driver
59 * when nonFIP mode is configured and there is no other default
60 * FCF Record attributes.
62 #define LPFC_FCOE_FCF_DEF_INDEX 0
63 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
64 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
66 #define LPFC_FCOE_NULL_VID 0xFFF
67 #define LPFC_FCOE_IGNORE_VID 0xFFFF
69 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
70 #define LPFC_FCOE_FCF_MAC3 0xFF
71 #define LPFC_FCOE_FCF_MAC4 0xFF
72 #define LPFC_FCOE_FCF_MAC5 0xFE
73 #define LPFC_FCOE_FCF_MAP0 0x0E
74 #define LPFC_FCOE_FCF_MAP1 0xFC
75 #define LPFC_FCOE_FCF_MAP2 0x00
76 #define LPFC_FCOE_MAX_RCV_SIZE 0x800
77 #define LPFC_FCOE_FKA_ADV_PER 0
78 #define LPFC_FCOE_FIP_PRIORITY 0x80
80 #define sli4_sid_from_fc_hdr(fc_hdr) \
81 ((fc_hdr)->fh_s_id[0] << 16 | \
82 (fc_hdr)->fh_s_id[1] << 8 | \
85 #define sli4_did_from_fc_hdr(fc_hdr) \
86 ((fc_hdr)->fh_d_id[0] << 16 | \
87 (fc_hdr)->fh_d_id[1] << 8 | \
90 #define sli4_fctl_from_fc_hdr(fc_hdr) \
91 ((fc_hdr)->fh_f_ctl[0] << 16 | \
92 (fc_hdr)->fh_f_ctl[1] << 8 | \
93 (fc_hdr)->fh_f_ctl[2])
95 #define sli4_type_from_fc_hdr(fc_hdr) \
98 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
100 #define INT_FW_UPGRADE 0
101 #define RUN_FW_UPGRADE 1
103 enum lpfc_sli4_queue_type
{
115 /* The queue sub-type defines the functional purpose of the queue */
116 enum lpfc_sli4_queue_subtype
{
128 uint16_t entry_count
; /* Current number of RQ slots */
129 uint16_t buffer_count
; /* Current number of buffers posted */
130 struct list_head rqb_buffer_list
; /* buffers assigned to this HBQ */
131 /* Callback for HBQ buffer allocation */
132 struct rqb_dmabuf
*(*rqb_alloc_buffer
)(struct lpfc_hba
*);
133 /* Callback for HBQ buffer free */
134 void (*rqb_free_buffer
)(struct lpfc_hba
*,
135 struct rqb_dmabuf
*);
139 struct list_head list
;
140 struct list_head wq_list
;
143 * If interrupts are in effect on _all_ the eq's the footprint
144 * of polling code is zero (except mode). This memory is chec-
145 * ked for every io to see if the io needs to be polled and
146 * while completion to check if the eq's needs to be rearmed.
147 * Keep in same cacheline as the queue ptr to avoid cpu fetch
148 * stalls. Using 1B memory will leave us with 7B hole. Fill
149 * it with other frequently used members.
151 uint16_t last_cpu
; /* most recent cpu */
154 uint8_t mode
; /* interrupt or polling */
155 #define LPFC_EQ_INTERRUPT 0
156 #define LPFC_EQ_POLL 1
158 struct list_head wqfull_list
;
159 enum lpfc_sli4_queue_type type
;
160 enum lpfc_sli4_queue_subtype subtype
;
161 struct lpfc_hba
*phba
;
162 struct list_head child_list
;
163 struct list_head page_list
;
164 struct list_head sgl_list
;
165 struct list_head cpu_list
;
166 uint32_t entry_count
; /* Number of entries to support on the queue */
167 uint32_t entry_size
; /* Size of each queue entry. */
168 uint32_t entry_cnt_per_pg
;
169 uint32_t notify_interval
; /* Queue Notification Interval
170 * For chip->host queues (EQ, CQ, RQ):
171 * specifies the interval (number of
172 * entries) where the doorbell is rung to
173 * notify the chip of entry consumption.
174 * For host->chip queues (WQ):
175 * specifies the interval (number of
176 * entries) where consumption CQE is
177 * requested to indicate WQ entries
178 * consumed by the chip.
181 #define LPFC_EQ_NOTIFY_INTRVL 16
182 #define LPFC_CQ_NOTIFY_INTRVL 16
183 #define LPFC_WQ_NOTIFY_INTRVL 16
184 #define LPFC_RQ_NOTIFY_INTRVL 16
185 uint32_t max_proc_limit
; /* Queue Processing Limit
186 * For chip->host queues (EQ, CQ):
187 * specifies the maximum number of
188 * entries to be consumed in one
189 * processing iteration sequence. Queue
190 * will be rearmed after each iteration.
191 * Not used on an MQ, RQ or WQ.
193 #define LPFC_EQ_MAX_PROC_LIMIT 256
194 #define LPFC_CQ_MIN_PROC_LIMIT 64
195 #define LPFC_CQ_MAX_PROC_LIMIT LPFC_CQE_EXP_COUNT // 4096
196 #define LPFC_CQ_DEF_MAX_PROC_LIMIT LPFC_CQE_DEF_COUNT // 1024
197 #define LPFC_CQ_MIN_THRESHOLD_TO_POLL 64
198 #define LPFC_CQ_MAX_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
199 #define LPFC_CQ_DEF_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
200 uint32_t queue_claimed
; /* indicates queue is being processed */
201 uint32_t queue_id
; /* Queue ID assigned by the hardware */
202 uint32_t assoc_qid
; /* Queue ID associated with, for CQ/WQ/MQ */
203 uint32_t host_index
; /* The host's index for putting or getting */
204 uint32_t hba_index
; /* The last known hba index for get or put */
207 struct lpfc_sli_ring
*pring
; /* ptr to io ring associated with q */
208 struct lpfc_rqb
*rqbp
; /* ptr to RQ buffers */
210 uint16_t page_count
; /* Number of pages allocated for this queue */
211 uint16_t page_size
; /* size of page allocated for this queue */
212 #define LPFC_EXPANDED_PAGE_SIZE 16384
213 #define LPFC_DEFAULT_PAGE_SIZE 4096
214 uint16_t chann
; /* Hardware Queue association WQ/CQ */
215 /* CPU affinity for EQ */
216 #define LPFC_FIND_BY_EQ 0
217 #define LPFC_FIND_BY_HDWQ 1
219 #define LPFC_DB_RING_FORMAT 0x01
220 #define LPFC_DB_LIST_FORMAT 0x02
222 #define HBA_NVMET_WQFULL 0x1 /* We hit WQ Full condition for NVMET */
223 #define HBA_NVMET_CQ_NOTIFY 0x1 /* LPFC_NVMET_CQ_NOTIFY CQEs this EQE */
224 #define HBA_EQ_DELAY_CHK 0x2 /* EQ is a candidate for coalescing */
225 #define LPFC_NVMET_CQ_NOTIFY 4
226 void __iomem
*db_regaddr
;
229 void __iomem
*dpp_regaddr
;
236 /* defines for EQ stats */
237 #define EQ_max_eqe q_cnt_1
238 #define EQ_no_entry q_cnt_2
239 #define EQ_cqe_cnt q_cnt_3
240 #define EQ_processed q_cnt_4
242 /* defines for CQ stats */
243 #define CQ_mbox q_cnt_1
244 #define CQ_max_cqe q_cnt_1
245 #define CQ_release_wqe q_cnt_2
246 #define CQ_xri_aborted q_cnt_3
247 #define CQ_wq q_cnt_4
249 /* defines for WQ stats */
250 #define WQ_overflow q_cnt_1
251 #define WQ_posted q_cnt_4
253 /* defines for RQ stats */
254 #define RQ_no_posted_buf q_cnt_1
255 #define RQ_no_buf_found q_cnt_2
256 #define RQ_buf_posted q_cnt_3
257 #define RQ_rcv_buf q_cnt_4
259 struct work_struct irqwork
;
260 struct work_struct spwork
;
261 struct delayed_work sched_irqwork
;
262 struct delayed_work sched_spwork
;
264 uint64_t isr_timestamp
;
265 struct lpfc_queue
*assoc_qp
;
266 struct list_head _poll_list
;
267 void **q_pgs
; /* array to index entries per page */
270 struct lpfc_sli4_link
{
277 uint32_t logical_speed
;
281 struct lpfc_fcf_rec
{
282 uint8_t fabric_name
[8];
283 uint8_t switch_name
[8];
290 #define BOOT_ENABLE 0x01
291 #define RECORD_VALID 0x02
294 struct lpfc_fcf_pri_rec
{
296 #define LPFC_FCF_ON_PRI_LIST 0x0001
297 #define LPFC_FCF_FLOGI_FAILED 0x0002
302 struct lpfc_fcf_pri
{
303 struct list_head list
;
304 struct lpfc_fcf_pri_rec fcf_rec
;
308 * Maximum FCF table index, it is for driver internal book keeping, it
309 * just needs to be no less than the supported HBA's FCF table size.
311 #define LPFC_SLI4_FCF_TBL_INDX_MAX 32
316 #define FCF_AVAILABLE 0x01 /* FCF available for discovery */
317 #define FCF_REGISTERED 0x02 /* FCF registered with FW */
318 #define FCF_SCAN_DONE 0x04 /* FCF table scan done */
319 #define FCF_IN_USE 0x08 /* Atleast one discovery completed */
320 #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
321 #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
322 #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
323 #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
324 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
325 #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
326 #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
327 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
328 uint16_t fcf_redisc_attempted
;
330 uint32_t eligible_fcf_cnt
;
331 struct lpfc_fcf_rec current_rec
;
332 struct lpfc_fcf_rec failover_rec
;
333 struct list_head fcf_pri_list
;
334 struct lpfc_fcf_pri fcf_pri
[LPFC_SLI4_FCF_TBL_INDX_MAX
];
335 uint32_t current_fcf_scan_pri
;
336 struct timer_list redisc_wait
;
337 unsigned long *fcf_rr_bmask
; /* Eligible FCF indexes for RR failover */
341 #define LPFC_REGION23_SIGNATURE "RG23"
342 #define LPFC_REGION23_VERSION 1
343 #define LPFC_REGION23_LAST_REC 0xff
344 #define DRIVER_SPECIFIC_TYPE 0xA2
345 #define LINUX_DRIVER_ID 0x20
346 #define PORT_STE_TYPE 0x1
348 struct lpfc_fip_param_hdr
{
350 #define FCOE_PARAM_TYPE 0xA0
352 #define FCOE_PARAM_LENGTH 2
353 uint8_t parm_version
;
354 #define FIPP_VERSION 0x01
356 #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
357 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
358 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
359 #define FIPP_MODE_ON 0x1
360 #define FIPP_MODE_OFF 0x0
361 #define FIPP_VLAN_VALID 0x1
364 struct lpfc_fcoe_params
{
371 struct lpfc_fcf_conn_hdr
{
373 #define FCOE_CONN_TBL_TYPE 0xA1
374 uint8_t length
; /* words */
378 struct lpfc_fcf_conn_rec
{
380 #define FCFCNCT_VALID 0x0001
381 #define FCFCNCT_BOOT 0x0002
382 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
383 #define FCFCNCT_FBNM_VALID 0x0008
384 #define FCFCNCT_SWNM_VALID 0x0010
385 #define FCFCNCT_VLAN_VALID 0x0020
386 #define FCFCNCT_AM_VALID 0x0040
387 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
388 #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
391 uint8_t fabric_name
[8];
392 uint8_t switch_name
[8];
395 struct lpfc_fcf_conn_entry
{
396 struct list_head list
;
397 struct lpfc_fcf_conn_rec conn_rec
;
401 * Define the host's bootstrap mailbox. This structure contains
402 * the member attributes needed to create, use, and destroy the
403 * bootstrap mailbox region.
405 * The macro definitions for the bmbx data structure are defined
406 * in lpfc_hw4.h with the register definition.
409 struct lpfc_dmabuf
*dmabuf
;
410 struct dma_address dma_address
;
416 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
418 #define LPFC_EQE_SIZE_4B 4
419 #define LPFC_EQE_SIZE_16B 16
420 #define LPFC_CQE_SIZE 16
421 #define LPFC_WQE_SIZE 64
422 #define LPFC_WQE128_SIZE 128
423 #define LPFC_MQE_SIZE 256
424 #define LPFC_RQE_SIZE 8
426 #define LPFC_EQE_DEF_COUNT 1024
427 #define LPFC_CQE_DEF_COUNT 1024
428 #define LPFC_CQE_EXP_COUNT 4096
429 #define LPFC_WQE_DEF_COUNT 256
430 #define LPFC_WQE_EXP_COUNT 1024
431 #define LPFC_MQE_DEF_COUNT 16
432 #define LPFC_RQE_DEF_COUNT 512
434 #define LPFC_QUEUE_NOARM false
435 #define LPFC_QUEUE_REARM true
439 * SLI4 CT field defines
441 #define SLI4_CT_RPI 0
442 #define SLI4_CT_VPI 1
443 #define SLI4_CT_VFI 2
444 #define SLI4_CT_FCFI 3
447 * SLI4 specific data structures
449 struct lpfc_max_cfg_param
{
471 /* SLI4 HBA multi-fcp queue handler struct */
472 #define LPFC_SLI4_HANDLER_NAME_SZ 16
473 struct lpfc_hba_eq_hdl
{
476 char handler_name
[LPFC_SLI4_HANDLER_NAME_SZ
];
477 struct lpfc_hba
*phba
;
478 struct lpfc_queue
*eq
;
479 struct cpumask aff_mask
;
482 #define lpfc_get_eq_hdl(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx])
483 #define lpfc_get_aff_mask(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx].aff_mask)
484 #define lpfc_get_irq(eqidx) (phba->sli4_hba.hba_eq_hdl[eqidx].irq)
486 /*BB Credit recovery value*/
487 struct lpfc_bbscn_params
{
489 #define lpfc_bbscn_min_SHIFT 0
490 #define lpfc_bbscn_min_MASK 0x0000000F
491 #define lpfc_bbscn_min_WORD word0
492 #define lpfc_bbscn_max_SHIFT 4
493 #define lpfc_bbscn_max_MASK 0x0000000F
494 #define lpfc_bbscn_max_WORD word0
495 #define lpfc_bbscn_def_SHIFT 8
496 #define lpfc_bbscn_def_MASK 0x0000000F
497 #define lpfc_bbscn_def_WORD word0
500 /* Port Capabilities for SLI4 Parameters */
501 struct lpfc_pc_sli4_params
{
506 uint32_t featurelevel_1
;
507 uint32_t featurelevel_2
;
508 uint32_t proto_types
;
509 #define LPFC_SLI4_PROTO_FCOE 0x0000001
510 #define LPFC_SLI4_PROTO_FC 0x0000002
511 #define LPFC_SLI4_PROTO_NIC 0x0000004
512 #define LPFC_SLI4_PROTO_ISCSI 0x0000008
513 #define LPFC_SLI4_PROTO_RDMA 0x0000010
514 uint32_t sge_supp_len
;
516 uint32_t rq_db_window
;
517 uint32_t loopbk_scope
;
518 uint32_t oas_supported
;
519 uint32_t eq_pages_max
;
521 uint32_t cq_pages_max
;
523 uint32_t mq_pages_max
;
525 uint32_t mq_elem_cnt
;
526 uint32_t wq_pages_max
;
528 uint32_t rq_pages_max
;
530 uint32_t hdr_pages_max
;
532 uint32_t hdr_pp_align
;
533 uint32_t sgl_pages_max
;
534 uint32_t sgl_pp_align
;
544 #define LPFC_WQ_SZ64_SUPPORT 1
545 #define LPFC_WQ_SZ128_SUPPORT 2
550 #define LPFC_CQ_4K_PAGE_SZ 0x1
551 #define LPFC_CQ_16K_PAGE_SZ 0x4
552 #define LPFC_WQ_4K_PAGE_SZ 0x1
553 #define LPFC_WQ_16K_PAGE_SZ 0x4
560 struct lpfc_sli4_lnk_info
{
562 #define LPFC_LNK_DAT_INVAL 0
563 #define LPFC_LNK_DAT_VAL 1
565 #define LPFC_LNK_GE 0x0 /* FCoE */
566 #define LPFC_LNK_FC 0x1 /* FC */
567 #define LPFC_LNK_FC_TRUNKED 0x2 /* FC_Trunked */
572 #define LPFC_SLI4_HANDLER_CNT (LPFC_HBA_IO_CHAN_MAX+ \
573 LPFC_FOF_IO_CHAN_NUM)
575 /* Used for tracking CPU mapping attributes */
576 struct lpfc_vector_map_info
{
582 #define LPFC_CPU_MAP_HYPER 0x1
583 #define LPFC_CPU_MAP_UNASSIGN 0x2
584 #define LPFC_CPU_FIRST_IRQ 0x4
586 #define LPFC_VECTOR_MAP_EMPTY 0xffff
591 struct lpfc_pbl_pool
{
592 struct list_head list
;
594 spinlock_t lock
; /* lock for pbl_pool*/
597 struct lpfc_pvt_pool
{
601 struct list_head list
;
603 spinlock_t lock
; /* lock for pvt_pool */
606 struct lpfc_multixri_pool
{
609 /* Starting point when searching a pbl_pool with round-robin method */
612 /* Used by lpfc_adjust_pvt_pool_count.
613 * io_req_count is incremented by 1 during IO submission. The heartbeat
614 * handler uses these two variables to determine if pvt_pool is idle or
617 u32 prev_io_req_count
;
623 u32 above_limit_count
;
624 u32 below_limit_count
;
625 u32 local_pbl_hit_count
;
626 u32 other_pbl_hit_count
;
629 #define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */
633 u32 stat_snapshot_taken
;
636 /* TODO: Separate pvt_pool into get and put list */
637 struct lpfc_pbl_pool pbl_pool
; /* Public free XRI pool */
638 struct lpfc_pvt_pool pvt_pool
; /* Private free XRI pool */
641 struct lpfc_fc4_ctrl_stat
{
644 u32 control_requests
;
648 #ifdef LPFC_HDWQ_LOCK_STAT
649 struct lpfc_lock_stat
{
650 uint32_t alloc_xri_get
;
651 uint32_t alloc_xri_put
;
654 uint32_t alloc_pvt_pool
;
655 uint32_t mv_from_pvt_pool
;
656 uint32_t mv_to_pub_pool
;
657 uint32_t mv_to_pvt_pool
;
658 uint32_t free_pub_pool
;
659 uint32_t free_pvt_pool
;
663 struct lpfc_eq_intr_info
{
664 struct list_head list
;
668 /* SLI4 HBA data structure entries */
669 struct lpfc_sli4_hdw_queue
{
670 /* Pointers to the constructed SLI4 queues */
671 struct lpfc_queue
*hba_eq
; /* Event queues for HBA */
672 struct lpfc_queue
*io_cq
; /* Fast-path FCP & NVME compl queue */
673 struct lpfc_queue
*io_wq
; /* Fast-path FCP & NVME work queue */
676 /* Keep track of IO buffers for this hardware queue */
677 spinlock_t io_buf_list_get_lock
; /* Common buf alloc list lock */
678 struct list_head lpfc_io_buf_list_get
;
679 spinlock_t io_buf_list_put_lock
; /* Common buf free list lock */
680 struct list_head lpfc_io_buf_list_put
;
681 spinlock_t abts_io_buf_list_lock
; /* list of aborted IOs */
682 struct list_head lpfc_abts_io_buf_list
;
683 uint32_t total_io_bufs
;
684 uint32_t get_io_bufs
;
685 uint32_t put_io_bufs
;
686 uint32_t empty_io_bufs
;
687 uint32_t abts_scsi_io_bufs
;
688 uint32_t abts_nvme_io_bufs
;
690 /* Multi-XRI pool per HWQ */
691 struct lpfc_multixri_pool
*p_multixri_pool
;
693 /* FC-4 Stats counters */
694 struct lpfc_fc4_ctrl_stat nvme_cstat
;
695 struct lpfc_fc4_ctrl_stat scsi_cstat
;
696 #ifdef LPFC_HDWQ_LOCK_STAT
697 struct lpfc_lock_stat lock_conflict
;
700 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
701 #define LPFC_CHECK_CPU_CNT 128
702 uint32_t cpucheck_rcv_io
[LPFC_CHECK_CPU_CNT
];
703 uint32_t cpucheck_xmt_io
[LPFC_CHECK_CPU_CNT
];
704 uint32_t cpucheck_cmpl_io
[LPFC_CHECK_CPU_CNT
];
707 /* Per HDWQ pool resources */
708 struct list_head sgl_list
;
709 struct list_head cmd_rsp_buf_list
;
711 /* Lock for syncing Per HDWQ pool resources */
712 spinlock_t hdwq_lock
;
715 #ifdef LPFC_HDWQ_LOCK_STAT
716 /* compile time trylock stats */
717 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
720 while (spin_trylock_irqsave(lock, flag) == 0) { \
723 qp->lock_conflict.lstat++; \
727 #define lpfc_qp_spin_lock(lock, qp, lstat) \
730 while (spin_trylock(lock) == 0) { \
733 qp->lock_conflict.lstat++; \
738 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
739 spin_lock_irqsave(lock, flag)
740 #define lpfc_qp_spin_lock(lock, qp, lstat) spin_lock(lock)
743 struct lpfc_sli4_hba
{
744 void __iomem
*conf_regs_memmap_p
; /* Kernel memory mapped address for
745 * config space registers
747 void __iomem
*ctrl_regs_memmap_p
; /* Kernel memory mapped address for
750 void __iomem
*drbl_regs_memmap_p
; /* Kernel memory mapped address for
753 void __iomem
*dpp_regs_memmap_p
; /* Kernel memory mapped address for
758 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
759 void __iomem
*UERRLOregaddr
;
760 void __iomem
*UERRHIregaddr
;
761 void __iomem
*UEMASKLOregaddr
;
762 void __iomem
*UEMASKHIregaddr
;
765 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
766 void __iomem
*STATUSregaddr
;
767 void __iomem
*CTRLregaddr
;
768 void __iomem
*ERR1regaddr
;
769 #define SLIPORT_ERR1_REG_ERR_CODE_1 0x1
770 #define SLIPORT_ERR1_REG_ERR_CODE_2 0x2
771 void __iomem
*ERR2regaddr
;
772 #define SLIPORT_ERR2_REG_FW_RESTART 0x0
773 #define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1
774 #define SLIPORT_ERR2_REG_FORCED_DUMP 0x2
775 #define SLIPORT_ERR2_REG_FAILURE_EQ 0x3
776 #define SLIPORT_ERR2_REG_FAILURE_CQ 0x4
777 #define SLIPORT_ERR2_REG_FAILURE_BUS 0x5
778 #define SLIPORT_ERR2_REG_FAILURE_RQ 0x6
779 void __iomem
*EQDregaddr
;
783 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
784 void __iomem
*PSMPHRregaddr
;
786 /* Well-known SLI INTF register memory map. */
787 void __iomem
*SLIINTFregaddr
;
789 /* IF type 0, BAR 1 function CSR register memory map */
790 void __iomem
*ISRregaddr
; /* HST_ISR register */
791 void __iomem
*IMRregaddr
; /* HST_IMR register */
792 void __iomem
*ISCRregaddr
; /* HST_ISCR register */
793 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
794 void __iomem
*RQDBregaddr
; /* RQ_DOORBELL register */
795 void __iomem
*WQDBregaddr
; /* WQ_DOORBELL register */
796 void __iomem
*CQDBregaddr
; /* CQ_DOORBELL register */
797 void __iomem
*EQDBregaddr
; /* EQ_DOORBELL register */
798 void __iomem
*MQDBregaddr
; /* MQ_DOORBELL register */
799 void __iomem
*BMBXregaddr
; /* BootStrap MBX register */
805 struct lpfc_register sli_intf
;
806 struct lpfc_pc_sli4_params pc_sli4_params
;
807 struct lpfc_bbscn_params bbscn_params
;
808 struct lpfc_hba_eq_hdl
*hba_eq_hdl
; /* HBA per-WQ handle */
810 void (*sli4_eq_clr_intr
)(struct lpfc_queue
*q
);
811 void (*sli4_write_eq_db
)(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
,
812 uint32_t count
, bool arm
);
813 void (*sli4_write_cq_db
)(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
814 uint32_t count
, bool arm
);
816 /* Pointers to the constructed SLI4 queues */
817 struct lpfc_sli4_hdw_queue
*hdwq
;
818 struct list_head lpfc_wq_list
;
820 /* Pointers to the constructed SLI4 queues for NVMET */
821 struct lpfc_queue
**nvmet_cqset
; /* Fast-path NVMET CQ Set queues */
822 struct lpfc_queue
**nvmet_mrq_hdr
; /* Fast-path NVMET hdr MRQs */
823 struct lpfc_queue
**nvmet_mrq_data
; /* Fast-path NVMET data MRQs */
825 struct lpfc_queue
*mbx_cq
; /* Slow-path mailbox complete queue */
826 struct lpfc_queue
*els_cq
; /* Slow-path ELS response complete queue */
827 struct lpfc_queue
*nvmels_cq
; /* NVME LS complete queue */
828 struct lpfc_queue
*mbx_wq
; /* Slow-path MBOX work queue */
829 struct lpfc_queue
*els_wq
; /* Slow-path ELS work queue */
830 struct lpfc_queue
*nvmels_wq
; /* NVME LS work queue */
831 struct lpfc_queue
*hdr_rq
; /* Slow-path Header Receive queue */
832 struct lpfc_queue
*dat_rq
; /* Slow-path Data Receive queue */
834 struct lpfc_name wwnn
;
835 struct lpfc_name wwpn
;
837 uint32_t fw_func_mode
; /* FW function protocol mode */
838 uint32_t ulp0_mode
; /* ULP0 protocol mode */
839 uint32_t ulp1_mode
; /* ULP1 protocol mode */
841 /* Optimized Access Storage specific queues/structures */
842 uint64_t oas_next_lun
;
843 uint8_t oas_next_tgt_wwpn
[8];
844 uint8_t oas_next_vpt_wwpn
[8];
846 /* Setup information for various queue parameters */
857 #define LPFC_SP_EQ_MAX_INTR_SEC 10000
858 #define LPFC_FP_EQ_MAX_INTR_SEC 10000
860 uint32_t intr_enable
;
861 struct lpfc_bmbx bmbx
;
862 struct lpfc_max_cfg_param max_cfg_param
;
863 uint16_t extents_in_use
; /* must allocate resource extents. */
864 uint16_t rpi_hdrs_in_use
; /* must post rpi hdrs if set. */
865 uint16_t next_xri
; /* last_xri - max_cfg_param.xri_base = used */
869 uint16_t io_xri_start
;
870 uint16_t els_xri_cnt
;
871 uint16_t nvmet_xri_cnt
;
872 uint16_t nvmet_io_wait_cnt
;
873 uint16_t nvmet_io_wait_total
;
875 struct lpfc_queue
**cq_lookup
;
876 struct list_head lpfc_els_sgl_list
;
877 struct list_head lpfc_abts_els_sgl_list
;
878 spinlock_t abts_io_buf_list_lock
; /* list of aborted SCSI IOs */
879 struct list_head lpfc_abts_io_buf_list
;
880 struct list_head lpfc_nvmet_sgl_list
;
881 spinlock_t abts_nvmet_buf_list_lock
; /* list of aborted NVMET IOs */
882 struct list_head lpfc_abts_nvmet_ctx_list
;
883 spinlock_t t_active_list_lock
; /* list of active NVMET IOs */
884 struct list_head t_active_ctx_list
;
885 struct list_head lpfc_nvmet_io_wait_list
;
886 struct lpfc_nvmet_ctx_info
*nvmet_ctx_info
;
887 struct lpfc_sglq
**lpfc_sglq_active_list
;
888 struct list_head lpfc_rpi_hdr_list
;
889 unsigned long *rpi_bmask
;
892 struct list_head lpfc_rpi_blk_list
;
893 unsigned long *xri_bmask
;
895 struct list_head lpfc_xri_blk_list
;
896 unsigned long *vfi_bmask
;
899 struct list_head lpfc_vfi_blk_list
;
900 struct lpfc_sli4_flags sli4_flags
;
901 struct list_head sp_queue_event
;
902 struct list_head sp_cqe_event_pool
;
903 struct list_head sp_asynce_work_queue
;
904 struct list_head sp_fcp_xri_aborted_work_queue
;
905 struct list_head sp_els_xri_aborted_work_queue
;
906 struct list_head sp_unsol_work_queue
;
907 struct lpfc_sli4_link link_state
;
908 struct lpfc_sli4_lnk_info lnk_info
;
909 uint32_t pport_name_sta
;
910 #define LPFC_SLI4_PPNAME_NON 0
911 #define LPFC_SLI4_PPNAME_GET 1
913 spinlock_t sgl_list_lock
; /* list of aborted els IOs */
914 spinlock_t nvmet_io_wait_lock
; /* IOs waiting for ctx resources */
915 uint32_t physical_port
;
917 /* CPU to vector mapping information */
918 struct lpfc_vector_map_info
*cpu_map
;
919 uint16_t num_possible_cpu
;
920 uint16_t num_present_cpu
;
921 struct cpumask numa_mask
;
922 uint16_t curr_disp_cpu
;
923 struct lpfc_eq_intr_info __percpu
*eq_info
;
925 #define lpfc_conf_trunk_port0_WORD conf_trunk
926 #define lpfc_conf_trunk_port0_SHIFT 0
927 #define lpfc_conf_trunk_port0_MASK 0x1
928 #define lpfc_conf_trunk_port1_WORD conf_trunk
929 #define lpfc_conf_trunk_port1_SHIFT 1
930 #define lpfc_conf_trunk_port1_MASK 0x1
931 #define lpfc_conf_trunk_port2_WORD conf_trunk
932 #define lpfc_conf_trunk_port2_SHIFT 2
933 #define lpfc_conf_trunk_port2_MASK 0x1
934 #define lpfc_conf_trunk_port3_WORD conf_trunk
935 #define lpfc_conf_trunk_port3_SHIFT 3
936 #define lpfc_conf_trunk_port3_MASK 0x1
937 #define lpfc_conf_trunk_port0_nd_WORD conf_trunk
938 #define lpfc_conf_trunk_port0_nd_SHIFT 4
939 #define lpfc_conf_trunk_port0_nd_MASK 0x1
940 #define lpfc_conf_trunk_port1_nd_WORD conf_trunk
941 #define lpfc_conf_trunk_port1_nd_SHIFT 5
942 #define lpfc_conf_trunk_port1_nd_MASK 0x1
943 #define lpfc_conf_trunk_port2_nd_WORD conf_trunk
944 #define lpfc_conf_trunk_port2_nd_SHIFT 6
945 #define lpfc_conf_trunk_port2_nd_MASK 0x1
946 #define lpfc_conf_trunk_port3_nd_WORD conf_trunk
947 #define lpfc_conf_trunk_port3_nd_SHIFT 7
948 #define lpfc_conf_trunk_port3_nd_MASK 0x1
957 enum lpfc_sgl_state
{
964 /* lpfc_sglqs are used in double linked lists */
965 struct list_head list
;
966 struct list_head clist
;
967 enum lpfc_sge_type buff_type
; /* is this a scsi sgl */
968 enum lpfc_sgl_state state
;
969 struct lpfc_nodelist
*ndlp
; /* ndlp associated with IO */
970 uint16_t iotag
; /* pre-assigned IO tag */
971 uint16_t sli4_lxritag
; /* logical pre-assigned xri. */
972 uint16_t sli4_xritag
; /* pre-assigned XRI, (OXID) tag. */
973 struct sli4_sge
*sgl
; /* pre-assigned SGL */
974 void *virt
; /* virtual address. */
975 dma_addr_t phys
; /* physical address */
978 struct lpfc_rpi_hdr
{
979 struct list_head list
;
981 struct lpfc_dmabuf
*dmabuf
;
987 struct lpfc_rsrc_blks
{
988 struct list_head list
;
994 struct lpfc_rdp_context
{
995 struct lpfc_nodelist
*ndlp
;
998 READ_LNK_VAR link_stat
;
999 uint8_t page_a0
[DMP_SFF_PAGE_A0_SIZE
];
1000 uint8_t page_a2
[DMP_SFF_PAGE_A2_SIZE
];
1001 void (*cmpl
)(struct lpfc_hba
*, struct lpfc_rdp_context
*, int);
1004 struct lpfc_lcb_context
{
1005 uint8_t sub_command
;
1012 struct lpfc_nodelist
*ndlp
;
1017 * SLI4 specific function prototypes
1019 int lpfc_pci_function_reset(struct lpfc_hba
*);
1020 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba
*);
1021 int lpfc_sli4_hba_setup(struct lpfc_hba
*);
1022 int lpfc_sli4_config(struct lpfc_hba
*, struct lpfcMboxq
*, uint8_t,
1023 uint8_t, uint32_t, bool);
1024 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba
*, struct lpfcMboxq
*);
1025 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq
*, uint32_t, dma_addr_t
, uint32_t);
1026 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq
*, uint32_t,
1027 struct lpfc_mbx_sge
*);
1028 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba
*, struct lpfcMboxq
*,
1031 void lpfc_sli4_hba_reset(struct lpfc_hba
*);
1032 struct lpfc_queue
*lpfc_sli4_queue_alloc(struct lpfc_hba
*phba
,
1034 uint32_t entry_size
,
1035 uint32_t entry_count
, int cpu
);
1036 void lpfc_sli4_queue_free(struct lpfc_queue
*);
1037 int lpfc_eq_create(struct lpfc_hba
*, struct lpfc_queue
*, uint32_t);
1038 void lpfc_modify_hba_eq_delay(struct lpfc_hba
*phba
, uint32_t startq
,
1039 uint32_t numq
, uint32_t usdelay
);
1040 int lpfc_cq_create(struct lpfc_hba
*, struct lpfc_queue
*,
1041 struct lpfc_queue
*, uint32_t, uint32_t);
1042 int lpfc_cq_create_set(struct lpfc_hba
*phba
, struct lpfc_queue
**cqp
,
1043 struct lpfc_sli4_hdw_queue
*hdwq
, uint32_t type
,
1045 int32_t lpfc_mq_create(struct lpfc_hba
*, struct lpfc_queue
*,
1046 struct lpfc_queue
*, uint32_t);
1047 int lpfc_wq_create(struct lpfc_hba
*, struct lpfc_queue
*,
1048 struct lpfc_queue
*, uint32_t);
1049 int lpfc_rq_create(struct lpfc_hba
*, struct lpfc_queue
*,
1050 struct lpfc_queue
*, struct lpfc_queue
*, uint32_t);
1051 int lpfc_mrq_create(struct lpfc_hba
*phba
, struct lpfc_queue
**hrqp
,
1052 struct lpfc_queue
**drqp
, struct lpfc_queue
**cqp
,
1054 int lpfc_eq_destroy(struct lpfc_hba
*, struct lpfc_queue
*);
1055 int lpfc_cq_destroy(struct lpfc_hba
*, struct lpfc_queue
*);
1056 int lpfc_mq_destroy(struct lpfc_hba
*, struct lpfc_queue
*);
1057 int lpfc_wq_destroy(struct lpfc_hba
*, struct lpfc_queue
*);
1058 int lpfc_rq_destroy(struct lpfc_hba
*, struct lpfc_queue
*,
1059 struct lpfc_queue
*);
1060 int lpfc_sli4_queue_setup(struct lpfc_hba
*);
1061 void lpfc_sli4_queue_unset(struct lpfc_hba
*);
1062 int lpfc_sli4_post_sgl(struct lpfc_hba
*, dma_addr_t
, dma_addr_t
, uint16_t);
1063 int lpfc_repost_io_sgl_list(struct lpfc_hba
*phba
);
1064 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba
*);
1065 void lpfc_sli4_free_xri(struct lpfc_hba
*, int);
1066 int lpfc_sli4_post_async_mbox(struct lpfc_hba
*);
1067 struct lpfc_cq_event
*__lpfc_sli4_cq_event_alloc(struct lpfc_hba
*);
1068 struct lpfc_cq_event
*lpfc_sli4_cq_event_alloc(struct lpfc_hba
*);
1069 void __lpfc_sli4_cq_event_release(struct lpfc_hba
*, struct lpfc_cq_event
*);
1070 void lpfc_sli4_cq_event_release(struct lpfc_hba
*, struct lpfc_cq_event
*);
1071 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba
*);
1072 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba
*, struct lpfc_rpi_hdr
*);
1073 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba
*);
1074 struct lpfc_rpi_hdr
*lpfc_sli4_create_rpi_hdr(struct lpfc_hba
*);
1075 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba
*);
1076 int lpfc_sli4_alloc_rpi(struct lpfc_hba
*);
1077 void lpfc_sli4_free_rpi(struct lpfc_hba
*, int);
1078 void lpfc_sli4_remove_rpis(struct lpfc_hba
*);
1079 void lpfc_sli4_async_event_proc(struct lpfc_hba
*);
1080 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba
*);
1081 int lpfc_sli4_resume_rpi(struct lpfc_nodelist
*,
1082 void (*)(struct lpfc_hba
*, LPFC_MBOXQ_t
*), void *);
1083 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba
*);
1084 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba
*);
1085 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba
*phba
,
1086 struct sli4_wcqe_xri_aborted
*axri
,
1087 struct lpfc_io_buf
*lpfc_ncmd
);
1088 void lpfc_sli4_io_xri_aborted(struct lpfc_hba
*phba
,
1089 struct sli4_wcqe_xri_aborted
*axri
, int idx
);
1090 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba
*phba
,
1091 struct sli4_wcqe_xri_aborted
*axri
);
1092 void lpfc_sli4_els_xri_aborted(struct lpfc_hba
*,
1093 struct sli4_wcqe_xri_aborted
*);
1094 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport
*);
1095 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport
*);
1096 int lpfc_sli4_brdreset(struct lpfc_hba
*);
1097 int lpfc_sli4_add_fcf_record(struct lpfc_hba
*, struct fcf_record
*);
1098 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba
*);
1099 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba
*);
1100 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba
*phba
);
1101 int lpfc_sli4_init_vpi(struct lpfc_vport
*);
1102 void lpfc_sli4_eq_clr_intr(struct lpfc_queue
*);
1103 void lpfc_sli4_write_cq_db(struct lpfc_hba
*phba
, struct lpfc_queue
*q
,
1104 uint32_t count
, bool arm
);
1105 void lpfc_sli4_write_eq_db(struct lpfc_hba
*phba
, struct lpfc_queue
*q
,
1106 uint32_t count
, bool arm
);
1107 void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue
*q
);
1108 void lpfc_sli4_if6_write_cq_db(struct lpfc_hba
*phba
, struct lpfc_queue
*q
,
1109 uint32_t count
, bool arm
);
1110 void lpfc_sli4_if6_write_eq_db(struct lpfc_hba
*phba
, struct lpfc_queue
*q
,
1111 uint32_t count
, bool arm
);
1112 void lpfc_sli4_fcfi_unreg(struct lpfc_hba
*, uint16_t);
1113 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba
*, uint16_t);
1114 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba
*, uint16_t);
1115 int lpfc_sli4_read_fcf_rec(struct lpfc_hba
*, uint16_t);
1116 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1117 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1118 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1119 int lpfc_sli4_unregister_fcf(struct lpfc_hba
*);
1120 int lpfc_sli4_post_status_check(struct lpfc_hba
*);
1121 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1122 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba
*, LPFC_MBOXQ_t
*);
1123 void lpfc_sli4_ras_dma_free(struct lpfc_hba
*phba
);
1124 struct sli4_hybrid_sgl
*lpfc_get_sgl_per_hdwq(struct lpfc_hba
*phba
,
1125 struct lpfc_io_buf
*buf
);
1126 struct fcp_cmd_rsp_buf
*lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba
*phba
,
1127 struct lpfc_io_buf
*buf
);
1128 int lpfc_put_sgl_per_hdwq(struct lpfc_hba
*phba
, struct lpfc_io_buf
*buf
);
1129 int lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba
*phba
,
1130 struct lpfc_io_buf
*buf
);
1131 void lpfc_free_sgl_per_hdwq(struct lpfc_hba
*phba
,
1132 struct lpfc_sli4_hdw_queue
*hdwq
);
1133 void lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba
*phba
,
1134 struct lpfc_sli4_hdw_queue
*hdwq
);
1135 static inline void *lpfc_sli4_qe(struct lpfc_queue
*q
, uint16_t idx
)
1137 return q
->q_pgs
[idx
/ q
->entry_cnt_per_pg
] +
1138 (q
->entry_size
* (idx
% q
->entry_cnt_per_pg
));