1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2018 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 128
45 #define LPFC_HBA_HDWQ_DEF 0
47 /* Common buffer size to accomidate SCSI and NVME IO buffers */
48 #define LPFC_COMMON_IO_BUF_SZ 768
51 * Provide the default FCF Record attributes used by the driver
52 * when nonFIP mode is configured and there is no other default
53 * FCF Record attributes.
55 #define LPFC_FCOE_FCF_DEF_INDEX 0
56 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
57 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
59 #define LPFC_FCOE_NULL_VID 0xFFF
60 #define LPFC_FCOE_IGNORE_VID 0xFFFF
62 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
63 #define LPFC_FCOE_FCF_MAC3 0xFF
64 #define LPFC_FCOE_FCF_MAC4 0xFF
65 #define LPFC_FCOE_FCF_MAC5 0xFE
66 #define LPFC_FCOE_FCF_MAP0 0x0E
67 #define LPFC_FCOE_FCF_MAP1 0xFC
68 #define LPFC_FCOE_FCF_MAP2 0x00
69 #define LPFC_FCOE_MAX_RCV_SIZE 0x800
70 #define LPFC_FCOE_FKA_ADV_PER 0
71 #define LPFC_FCOE_FIP_PRIORITY 0x80
73 #define sli4_sid_from_fc_hdr(fc_hdr) \
74 ((fc_hdr)->fh_s_id[0] << 16 | \
75 (fc_hdr)->fh_s_id[1] << 8 | \
78 #define sli4_did_from_fc_hdr(fc_hdr) \
79 ((fc_hdr)->fh_d_id[0] << 16 | \
80 (fc_hdr)->fh_d_id[1] << 8 | \
83 #define sli4_fctl_from_fc_hdr(fc_hdr) \
84 ((fc_hdr)->fh_f_ctl[0] << 16 | \
85 (fc_hdr)->fh_f_ctl[1] << 8 | \
86 (fc_hdr)->fh_f_ctl[2])
88 #define sli4_type_from_fc_hdr(fc_hdr) \
91 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
93 #define INT_FW_UPGRADE 0
94 #define RUN_FW_UPGRADE 1
96 enum lpfc_sli4_queue_type {
108 /* The queue sub-type defines the functional purpose of the queue */
109 enum lpfc_sli4_queue_subtype {
122 struct lpfc_eqe *eqe;
123 struct lpfc_cqe *cqe;
124 struct lpfc_mcqe *mcqe;
125 struct lpfc_wcqe_complete *wcqe_complete;
126 struct lpfc_wcqe_release *wcqe_release;
127 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
128 struct lpfc_rcqe_complete *rcqe_complete;
129 struct lpfc_mqe *mqe;
131 union lpfc_wqe128 *wqe128;
132 struct lpfc_rqe *rqe;
137 uint16_t entry_count; /* Current number of RQ slots */
138 uint16_t buffer_count; /* Current number of buffers posted */
139 struct list_head rqb_buffer_list; /* buffers assigned to this HBQ */
140 /* Callback for HBQ buffer allocation */
141 struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
142 /* Callback for HBQ buffer free */
143 void (*rqb_free_buffer)(struct lpfc_hba *,
144 struct rqb_dmabuf *);
148 struct list_head list;
149 struct list_head wq_list;
150 struct list_head wqfull_list;
151 enum lpfc_sli4_queue_type type;
152 enum lpfc_sli4_queue_subtype subtype;
153 struct lpfc_hba *phba;
154 struct list_head child_list;
155 struct list_head page_list;
156 struct list_head sgl_list;
157 struct list_head cpu_list;
158 uint32_t entry_count; /* Number of entries to support on the queue */
159 uint32_t entry_size; /* Size of each queue entry. */
160 uint32_t notify_interval; /* Queue Notification Interval
161 * For chip->host queues (EQ, CQ, RQ):
162 * specifies the interval (number of
163 * entries) where the doorbell is rung to
164 * notify the chip of entry consumption.
165 * For host->chip queues (WQ):
166 * specifies the interval (number of
167 * entries) where consumption CQE is
168 * requested to indicate WQ entries
169 * consumed by the chip.
172 #define LPFC_EQ_NOTIFY_INTRVL 16
173 #define LPFC_CQ_NOTIFY_INTRVL 16
174 #define LPFC_WQ_NOTIFY_INTRVL 16
175 #define LPFC_RQ_NOTIFY_INTRVL 16
176 uint32_t max_proc_limit; /* Queue Processing Limit
177 * For chip->host queues (EQ, CQ):
178 * specifies the maximum number of
179 * entries to be consumed in one
180 * processing iteration sequence. Queue
181 * will be rearmed after each iteration.
182 * Not used on an MQ, RQ or WQ.
184 #define LPFC_EQ_MAX_PROC_LIMIT 256
185 #define LPFC_CQ_MIN_PROC_LIMIT 64
186 #define LPFC_CQ_MAX_PROC_LIMIT LPFC_CQE_EXP_COUNT // 4096
187 #define LPFC_CQ_DEF_MAX_PROC_LIMIT LPFC_CQE_DEF_COUNT // 1024
188 #define LPFC_CQ_MIN_THRESHOLD_TO_POLL 64
189 #define LPFC_CQ_MAX_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
190 #define LPFC_CQ_DEF_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
191 uint32_t queue_claimed; /* indicates queue is being processed */
192 uint32_t queue_id; /* Queue ID assigned by the hardware */
193 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
194 uint32_t host_index; /* The host's index for putting or getting */
195 uint32_t hba_index; /* The last known hba index for get or put */
198 struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
199 struct lpfc_rqb *rqbp; /* ptr to RQ buffers */
201 uint16_t page_count; /* Number of pages allocated for this queue */
202 uint16_t page_size; /* size of page allocated for this queue */
203 #define LPFC_EXPANDED_PAGE_SIZE 16384
204 #define LPFC_DEFAULT_PAGE_SIZE 4096
205 uint16_t chann; /* Hardware Queue association WQ/CQ */
206 /* CPU affinity for EQ */
207 #define LPFC_FIND_BY_EQ 0
208 #define LPFC_FIND_BY_HDWQ 1
210 #define LPFC_DB_RING_FORMAT 0x01
211 #define LPFC_DB_LIST_FORMAT 0x02
213 #define HBA_NVMET_WQFULL 0x1 /* We hit WQ Full condition for NVMET */
214 void __iomem *db_regaddr;
217 void __iomem *dpp_regaddr;
224 /* defines for EQ stats */
225 #define EQ_max_eqe q_cnt_1
226 #define EQ_no_entry q_cnt_2
227 #define EQ_cqe_cnt q_cnt_3
228 #define EQ_processed q_cnt_4
230 /* defines for CQ stats */
231 #define CQ_mbox q_cnt_1
232 #define CQ_max_cqe q_cnt_1
233 #define CQ_release_wqe q_cnt_2
234 #define CQ_xri_aborted q_cnt_3
235 #define CQ_wq q_cnt_4
237 /* defines for WQ stats */
238 #define WQ_overflow q_cnt_1
239 #define WQ_posted q_cnt_4
241 /* defines for RQ stats */
242 #define RQ_no_posted_buf q_cnt_1
243 #define RQ_no_buf_found q_cnt_2
244 #define RQ_buf_posted q_cnt_3
245 #define RQ_rcv_buf q_cnt_4
247 struct work_struct irqwork;
248 struct work_struct spwork;
249 struct delayed_work sched_irqwork;
250 struct delayed_work sched_spwork;
252 uint64_t isr_timestamp;
254 uint16_t last_cpu; /* most recent cpu */
256 struct lpfc_queue *assoc_qp;
257 union sli4_qe qe[1]; /* array to index entries (must be last) */
260 struct lpfc_sli4_link {
267 uint16_t logical_speed;
271 struct lpfc_fcf_rec {
272 uint8_t fabric_name[8];
273 uint8_t switch_name[8];
280 #define BOOT_ENABLE 0x01
281 #define RECORD_VALID 0x02
284 struct lpfc_fcf_pri_rec {
286 #define LPFC_FCF_ON_PRI_LIST 0x0001
287 #define LPFC_FCF_FLOGI_FAILED 0x0002
292 struct lpfc_fcf_pri {
293 struct list_head list;
294 struct lpfc_fcf_pri_rec fcf_rec;
298 * Maximum FCF table index, it is for driver internal book keeping, it
299 * just needs to be no less than the supported HBA's FCF table size.
301 #define LPFC_SLI4_FCF_TBL_INDX_MAX 32
306 #define FCF_AVAILABLE 0x01 /* FCF available for discovery */
307 #define FCF_REGISTERED 0x02 /* FCF registered with FW */
308 #define FCF_SCAN_DONE 0x04 /* FCF table scan done */
309 #define FCF_IN_USE 0x08 /* Atleast one discovery completed */
310 #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
311 #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
312 #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
313 #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
314 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
315 #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
316 #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
317 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
318 uint16_t fcf_redisc_attempted;
320 uint32_t eligible_fcf_cnt;
321 struct lpfc_fcf_rec current_rec;
322 struct lpfc_fcf_rec failover_rec;
323 struct list_head fcf_pri_list;
324 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
325 uint32_t current_fcf_scan_pri;
326 struct timer_list redisc_wait;
327 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
331 #define LPFC_REGION23_SIGNATURE "RG23"
332 #define LPFC_REGION23_VERSION 1
333 #define LPFC_REGION23_LAST_REC 0xff
334 #define DRIVER_SPECIFIC_TYPE 0xA2
335 #define LINUX_DRIVER_ID 0x20
336 #define PORT_STE_TYPE 0x1
338 struct lpfc_fip_param_hdr {
340 #define FCOE_PARAM_TYPE 0xA0
342 #define FCOE_PARAM_LENGTH 2
343 uint8_t parm_version;
344 #define FIPP_VERSION 0x01
346 #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
347 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
348 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
349 #define FIPP_MODE_ON 0x1
350 #define FIPP_MODE_OFF 0x0
351 #define FIPP_VLAN_VALID 0x1
354 struct lpfc_fcoe_params {
361 struct lpfc_fcf_conn_hdr {
363 #define FCOE_CONN_TBL_TYPE 0xA1
364 uint8_t length; /* words */
368 struct lpfc_fcf_conn_rec {
370 #define FCFCNCT_VALID 0x0001
371 #define FCFCNCT_BOOT 0x0002
372 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
373 #define FCFCNCT_FBNM_VALID 0x0008
374 #define FCFCNCT_SWNM_VALID 0x0010
375 #define FCFCNCT_VLAN_VALID 0x0020
376 #define FCFCNCT_AM_VALID 0x0040
377 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
378 #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
381 uint8_t fabric_name[8];
382 uint8_t switch_name[8];
385 struct lpfc_fcf_conn_entry {
386 struct list_head list;
387 struct lpfc_fcf_conn_rec conn_rec;
391 * Define the host's bootstrap mailbox. This structure contains
392 * the member attributes needed to create, use, and destroy the
393 * bootstrap mailbox region.
395 * The macro definitions for the bmbx data structure are defined
396 * in lpfc_hw4.h with the register definition.
399 struct lpfc_dmabuf *dmabuf;
400 struct dma_address dma_address;
406 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
408 #define LPFC_EQE_SIZE_4B 4
409 #define LPFC_EQE_SIZE_16B 16
410 #define LPFC_CQE_SIZE 16
411 #define LPFC_WQE_SIZE 64
412 #define LPFC_WQE128_SIZE 128
413 #define LPFC_MQE_SIZE 256
414 #define LPFC_RQE_SIZE 8
416 #define LPFC_EQE_DEF_COUNT 1024
417 #define LPFC_CQE_DEF_COUNT 1024
418 #define LPFC_CQE_EXP_COUNT 4096
419 #define LPFC_WQE_DEF_COUNT 256
420 #define LPFC_WQE_EXP_COUNT 1024
421 #define LPFC_MQE_DEF_COUNT 16
422 #define LPFC_RQE_DEF_COUNT 512
424 #define LPFC_QUEUE_NOARM false
425 #define LPFC_QUEUE_REARM true
429 * SLI4 CT field defines
431 #define SLI4_CT_RPI 0
432 #define SLI4_CT_VPI 1
433 #define SLI4_CT_VFI 2
434 #define SLI4_CT_FCFI 3
437 * SLI4 specific data structures
439 struct lpfc_max_cfg_param {
461 /* SLI4 HBA multi-fcp queue handler struct */
462 #define LPFC_SLI4_HANDLER_NAME_SZ 16
463 struct lpfc_hba_eq_hdl {
465 char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
466 struct lpfc_hba *phba;
469 /*BB Credit recovery value*/
470 struct lpfc_bbscn_params {
472 #define lpfc_bbscn_min_SHIFT 0
473 #define lpfc_bbscn_min_MASK 0x0000000F
474 #define lpfc_bbscn_min_WORD word0
475 #define lpfc_bbscn_max_SHIFT 4
476 #define lpfc_bbscn_max_MASK 0x0000000F
477 #define lpfc_bbscn_max_WORD word0
478 #define lpfc_bbscn_def_SHIFT 8
479 #define lpfc_bbscn_def_MASK 0x0000000F
480 #define lpfc_bbscn_def_WORD word0
483 /* Port Capabilities for SLI4 Parameters */
484 struct lpfc_pc_sli4_params {
489 uint32_t featurelevel_1;
490 uint32_t featurelevel_2;
491 uint32_t proto_types;
492 #define LPFC_SLI4_PROTO_FCOE 0x0000001
493 #define LPFC_SLI4_PROTO_FC 0x0000002
494 #define LPFC_SLI4_PROTO_NIC 0x0000004
495 #define LPFC_SLI4_PROTO_ISCSI 0x0000008
496 #define LPFC_SLI4_PROTO_RDMA 0x0000010
497 uint32_t sge_supp_len;
499 uint32_t rq_db_window;
500 uint32_t loopbk_scope;
501 uint32_t oas_supported;
502 uint32_t eq_pages_max;
504 uint32_t cq_pages_max;
506 uint32_t mq_pages_max;
508 uint32_t mq_elem_cnt;
509 uint32_t wq_pages_max;
511 uint32_t rq_pages_max;
513 uint32_t hdr_pages_max;
515 uint32_t hdr_pp_align;
516 uint32_t sgl_pages_max;
517 uint32_t sgl_pp_align;
526 #define LPFC_WQ_SZ64_SUPPORT 1
527 #define LPFC_WQ_SZ128_SUPPORT 2
531 #define LPFC_CQ_4K_PAGE_SZ 0x1
532 #define LPFC_CQ_16K_PAGE_SZ 0x4
533 #define LPFC_WQ_4K_PAGE_SZ 0x1
534 #define LPFC_WQ_16K_PAGE_SZ 0x4
541 struct lpfc_sli4_lnk_info {
543 #define LPFC_LNK_DAT_INVAL 0
544 #define LPFC_LNK_DAT_VAL 1
546 #define LPFC_LNK_GE 0x0 /* FCoE */
547 #define LPFC_LNK_FC 0x1 /* FC */
552 #define LPFC_SLI4_HANDLER_CNT (LPFC_HBA_IO_CHAN_MAX+ \
553 LPFC_FOF_IO_CHAN_NUM)
555 /* Used for IRQ vector to CPU mapping */
556 struct lpfc_vector_map_info {
564 #define LPFC_VECTOR_MAP_EMPTY 0xffff
569 struct lpfc_pbl_pool {
570 struct list_head list;
572 spinlock_t lock; /* lock for pbl_pool*/
575 struct lpfc_pvt_pool {
579 struct list_head list;
581 spinlock_t lock; /* lock for pvt_pool */
584 struct lpfc_multixri_pool {
587 /* Starting point when searching a pbl_pool with round-robin method */
590 /* Used by lpfc_adjust_pvt_pool_count.
591 * io_req_count is incremented by 1 during IO submission. The heartbeat
592 * handler uses these two variables to determine if pvt_pool is idle or
595 u32 prev_io_req_count;
601 u32 above_limit_count;
602 u32 below_limit_count;
603 u32 local_pbl_hit_count;
604 u32 other_pbl_hit_count;
607 #define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */
611 u32 stat_snapshot_taken;
614 /* TODO: Separate pvt_pool into get and put list */
615 struct lpfc_pbl_pool pbl_pool; /* Public free XRI pool */
616 struct lpfc_pvt_pool pvt_pool; /* Private free XRI pool */
619 struct lpfc_fc4_ctrl_stat {
622 u32 control_requests;
626 #ifdef LPFC_HDWQ_LOCK_STAT
627 struct lpfc_lock_stat {
628 uint32_t alloc_xri_get;
629 uint32_t alloc_xri_put;
632 uint32_t alloc_pvt_pool;
633 uint32_t mv_from_pvt_pool;
634 uint32_t mv_to_pub_pool;
635 uint32_t mv_to_pvt_pool;
636 uint32_t free_pub_pool;
637 uint32_t free_pvt_pool;
641 struct lpfc_eq_intr_info {
642 struct list_head list;
646 /* SLI4 HBA data structure entries */
647 struct lpfc_sli4_hdw_queue {
648 /* Pointers to the constructed SLI4 queues */
649 struct lpfc_queue *hba_eq; /* Event queues for HBA */
650 struct lpfc_queue *fcp_cq; /* Fast-path FCP compl queue */
651 struct lpfc_queue *nvme_cq; /* Fast-path NVME compl queue */
652 struct lpfc_queue *fcp_wq; /* Fast-path FCP work queue */
653 struct lpfc_queue *nvme_wq; /* Fast-path NVME work queue */
655 uint16_t nvme_cq_map;
657 /* Keep track of IO buffers for this hardware queue */
658 spinlock_t io_buf_list_get_lock; /* Common buf alloc list lock */
659 struct list_head lpfc_io_buf_list_get;
660 spinlock_t io_buf_list_put_lock; /* Common buf free list lock */
661 struct list_head lpfc_io_buf_list_put;
662 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
663 struct list_head lpfc_abts_scsi_buf_list;
664 spinlock_t abts_nvme_buf_list_lock; /* list of aborted NVME IOs */
665 struct list_head lpfc_abts_nvme_buf_list;
666 uint32_t total_io_bufs;
667 uint32_t get_io_bufs;
668 uint32_t put_io_bufs;
669 uint32_t empty_io_bufs;
670 uint32_t abts_scsi_io_bufs;
671 uint32_t abts_nvme_io_bufs;
673 /* Multi-XRI pool per HWQ */
674 struct lpfc_multixri_pool *p_multixri_pool;
676 /* FC-4 Stats counters */
677 struct lpfc_fc4_ctrl_stat nvme_cstat;
678 struct lpfc_fc4_ctrl_stat scsi_cstat;
679 #ifdef LPFC_HDWQ_LOCK_STAT
680 struct lpfc_lock_stat lock_conflict;
683 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
684 #define LPFC_CHECK_CPU_CNT 128
685 uint32_t cpucheck_rcv_io[LPFC_CHECK_CPU_CNT];
686 uint32_t cpucheck_xmt_io[LPFC_CHECK_CPU_CNT];
687 uint32_t cpucheck_cmpl_io[LPFC_CHECK_CPU_CNT];
691 #ifdef LPFC_HDWQ_LOCK_STAT
692 /* compile time trylock stats */
693 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
696 while (spin_trylock_irqsave(lock, flag) == 0) { \
699 qp->lock_conflict.lstat++; \
703 #define lpfc_qp_spin_lock(lock, qp, lstat) \
706 while (spin_trylock(lock) == 0) { \
709 qp->lock_conflict.lstat++; \
714 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
715 spin_lock_irqsave(lock, flag)
716 #define lpfc_qp_spin_lock(lock, qp, lstat) spin_lock(lock)
719 struct lpfc_sli4_hba {
720 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
721 * config space registers
723 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
726 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
729 void __iomem *dpp_regs_memmap_p; /* Kernel memory mapped address for
734 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
735 void __iomem *UERRLOregaddr;
736 void __iomem *UERRHIregaddr;
737 void __iomem *UEMASKLOregaddr;
738 void __iomem *UEMASKHIregaddr;
741 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
742 void __iomem *STATUSregaddr;
743 void __iomem *CTRLregaddr;
744 void __iomem *ERR1regaddr;
745 #define SLIPORT_ERR1_REG_ERR_CODE_1 0x1
746 #define SLIPORT_ERR1_REG_ERR_CODE_2 0x2
747 void __iomem *ERR2regaddr;
748 #define SLIPORT_ERR2_REG_FW_RESTART 0x0
749 #define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1
750 #define SLIPORT_ERR2_REG_FORCED_DUMP 0x2
751 #define SLIPORT_ERR2_REG_FAILURE_EQ 0x3
752 #define SLIPORT_ERR2_REG_FAILURE_CQ 0x4
753 #define SLIPORT_ERR2_REG_FAILURE_BUS 0x5
754 #define SLIPORT_ERR2_REG_FAILURE_RQ 0x6
755 void __iomem *EQDregaddr;
759 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
760 void __iomem *PSMPHRregaddr;
762 /* Well-known SLI INTF register memory map. */
763 void __iomem *SLIINTFregaddr;
765 /* IF type 0, BAR 1 function CSR register memory map */
766 void __iomem *ISRregaddr; /* HST_ISR register */
767 void __iomem *IMRregaddr; /* HST_IMR register */
768 void __iomem *ISCRregaddr; /* HST_ISCR register */
769 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
770 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */
771 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */
772 void __iomem *CQDBregaddr; /* CQ_DOORBELL register */
773 void __iomem *EQDBregaddr; /* EQ_DOORBELL register */
774 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */
775 void __iomem *BMBXregaddr; /* BootStrap MBX register */
781 struct lpfc_register sli_intf;
782 struct lpfc_pc_sli4_params pc_sli4_params;
783 struct lpfc_bbscn_params bbscn_params;
784 struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
786 void (*sli4_eq_clr_intr)(struct lpfc_queue *q);
787 void (*sli4_write_eq_db)(struct lpfc_hba *phba, struct lpfc_queue *eq,
788 uint32_t count, bool arm);
789 void (*sli4_write_cq_db)(struct lpfc_hba *phba, struct lpfc_queue *cq,
790 uint32_t count, bool arm);
792 /* Pointers to the constructed SLI4 queues */
793 struct lpfc_sli4_hdw_queue *hdwq;
794 struct list_head lpfc_wq_list;
796 /* Pointers to the constructed SLI4 queues for NVMET */
797 struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
798 struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
799 struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
801 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
802 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
803 struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
804 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
805 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
806 struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
807 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
808 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
810 struct lpfc_name wwnn;
811 struct lpfc_name wwpn;
813 uint32_t fw_func_mode; /* FW function protocol mode */
814 uint32_t ulp0_mode; /* ULP0 protocol mode */
815 uint32_t ulp1_mode; /* ULP1 protocol mode */
817 /* Optimized Access Storage specific queues/structures */
818 uint64_t oas_next_lun;
819 uint8_t oas_next_tgt_wwpn[8];
820 uint8_t oas_next_vpt_wwpn[8];
822 /* Setup information for various queue parameters */
833 #define LPFC_SP_EQ_MAX_INTR_SEC 10000
834 #define LPFC_FP_EQ_MAX_INTR_SEC 10000
836 uint32_t intr_enable;
837 struct lpfc_bmbx bmbx;
838 struct lpfc_max_cfg_param max_cfg_param;
839 uint16_t extents_in_use; /* must allocate resource extents. */
840 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
841 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
845 uint16_t io_xri_start;
846 uint16_t els_xri_cnt;
847 uint16_t nvmet_xri_cnt;
848 uint16_t nvmet_io_wait_cnt;
849 uint16_t nvmet_io_wait_total;
851 struct lpfc_queue **cq_lookup;
852 struct list_head lpfc_els_sgl_list;
853 struct list_head lpfc_abts_els_sgl_list;
854 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
855 struct list_head lpfc_abts_scsi_buf_list;
856 struct list_head lpfc_nvmet_sgl_list;
857 spinlock_t abts_nvmet_buf_list_lock; /* list of aborted NVMET IOs */
858 struct list_head lpfc_abts_nvmet_ctx_list;
859 struct list_head lpfc_nvmet_io_wait_list;
860 struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
861 struct lpfc_sglq **lpfc_sglq_active_list;
862 struct list_head lpfc_rpi_hdr_list;
863 unsigned long *rpi_bmask;
866 struct list_head lpfc_rpi_blk_list;
867 unsigned long *xri_bmask;
869 struct list_head lpfc_xri_blk_list;
870 unsigned long *vfi_bmask;
873 struct list_head lpfc_vfi_blk_list;
874 struct lpfc_sli4_flags sli4_flags;
875 struct list_head sp_queue_event;
876 struct list_head sp_cqe_event_pool;
877 struct list_head sp_asynce_work_queue;
878 struct list_head sp_fcp_xri_aborted_work_queue;
879 struct list_head sp_els_xri_aborted_work_queue;
880 struct list_head sp_unsol_work_queue;
881 struct lpfc_sli4_link link_state;
882 struct lpfc_sli4_lnk_info lnk_info;
883 uint32_t pport_name_sta;
884 #define LPFC_SLI4_PPNAME_NON 0
885 #define LPFC_SLI4_PPNAME_GET 1
887 spinlock_t sgl_list_lock; /* list of aborted els IOs */
888 spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
889 uint32_t physical_port;
891 /* CPU to vector mapping information */
892 struct lpfc_vector_map_info *cpu_map;
893 uint16_t num_online_cpu;
894 uint16_t num_present_cpu;
895 uint16_t curr_disp_cpu;
896 struct lpfc_eq_intr_info __percpu *eq_info;
898 #define lpfc_conf_trunk_port0_WORD conf_trunk
899 #define lpfc_conf_trunk_port0_SHIFT 0
900 #define lpfc_conf_trunk_port0_MASK 0x1
901 #define lpfc_conf_trunk_port1_WORD conf_trunk
902 #define lpfc_conf_trunk_port1_SHIFT 1
903 #define lpfc_conf_trunk_port1_MASK 0x1
904 #define lpfc_conf_trunk_port2_WORD conf_trunk
905 #define lpfc_conf_trunk_port2_SHIFT 2
906 #define lpfc_conf_trunk_port2_MASK 0x1
907 #define lpfc_conf_trunk_port3_WORD conf_trunk
908 #define lpfc_conf_trunk_port3_SHIFT 3
909 #define lpfc_conf_trunk_port3_MASK 0x1
918 enum lpfc_sgl_state {
925 /* lpfc_sglqs are used in double linked lists */
926 struct list_head list;
927 struct list_head clist;
928 enum lpfc_sge_type buff_type; /* is this a scsi sgl */
929 enum lpfc_sgl_state state;
930 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
931 uint16_t iotag; /* pre-assigned IO tag */
932 uint16_t sli4_lxritag; /* logical pre-assigned xri. */
933 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
934 struct sli4_sge *sgl; /* pre-assigned SGL */
935 void *virt; /* virtual address. */
936 dma_addr_t phys; /* physical address */
939 struct lpfc_rpi_hdr {
940 struct list_head list;
942 struct lpfc_dmabuf *dmabuf;
948 struct lpfc_rsrc_blks {
949 struct list_head list;
955 struct lpfc_rdp_context {
956 struct lpfc_nodelist *ndlp;
959 READ_LNK_VAR link_stat;
960 uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
961 uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
962 void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
965 struct lpfc_lcb_context {
973 struct lpfc_nodelist *ndlp;
978 * SLI4 specific function prototypes
980 int lpfc_pci_function_reset(struct lpfc_hba *);
981 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
982 int lpfc_sli4_hba_setup(struct lpfc_hba *);
983 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
984 uint8_t, uint32_t, bool);
985 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
986 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
987 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
988 struct lpfc_mbx_sge *);
989 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
992 void lpfc_sli4_hba_reset(struct lpfc_hba *);
993 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
995 void lpfc_sli4_queue_free(struct lpfc_queue *);
996 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
997 void lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
998 uint32_t numq, uint32_t usdelay);
999 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
1000 struct lpfc_queue *, uint32_t, uint32_t);
1001 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
1002 struct lpfc_sli4_hdw_queue *hdwq, uint32_t type,
1004 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
1005 struct lpfc_queue *, uint32_t);
1006 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
1007 struct lpfc_queue *, uint32_t);
1008 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
1009 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
1010 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
1011 struct lpfc_queue **drqp, struct lpfc_queue **cqp,
1013 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1014 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1015 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1016 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1017 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
1018 struct lpfc_queue *);
1019 int lpfc_sli4_queue_setup(struct lpfc_hba *);
1020 void lpfc_sli4_queue_unset(struct lpfc_hba *);
1021 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
1022 int lpfc_repost_io_sgl_list(struct lpfc_hba *phba);
1023 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
1024 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
1025 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
1026 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1027 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1028 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1029 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1030 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
1031 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
1032 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
1033 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
1034 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
1035 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
1036 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
1037 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
1038 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
1039 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
1040 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
1041 void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
1042 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
1043 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
1044 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
1045 struct sli4_wcqe_xri_aborted *, int);
1046 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
1047 struct sli4_wcqe_xri_aborted *axri, int idx);
1048 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
1049 struct sli4_wcqe_xri_aborted *axri);
1050 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
1051 struct sli4_wcqe_xri_aborted *);
1052 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
1053 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
1054 int lpfc_sli4_brdreset(struct lpfc_hba *);
1055 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
1056 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
1057 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
1058 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
1059 int lpfc_sli4_init_vpi(struct lpfc_vport *);
1060 inline void lpfc_sli4_eq_clr_intr(struct lpfc_queue *);
1061 void lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1062 uint32_t count, bool arm);
1063 void lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1064 uint32_t count, bool arm);
1065 inline void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q);
1066 void lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1067 uint32_t count, bool arm);
1068 void lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1069 uint32_t count, bool arm);
1070 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
1071 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
1072 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
1073 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
1074 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1075 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1076 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1077 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
1078 int lpfc_sli4_post_status_check(struct lpfc_hba *);
1079 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1080 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1081 void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba);