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 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 uint16_t entry_count; /* Current number of RQ slots */
123 uint16_t buffer_count; /* Current number of buffers posted */
124 struct list_head rqb_buffer_list; /* buffers assigned to this HBQ */
125 /* Callback for HBQ buffer allocation */
126 struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
127 /* Callback for HBQ buffer free */
128 void (*rqb_free_buffer)(struct lpfc_hba *,
129 struct rqb_dmabuf *);
133 struct list_head list;
134 struct list_head wq_list;
135 struct list_head wqfull_list;
136 enum lpfc_sli4_queue_type type;
137 enum lpfc_sli4_queue_subtype subtype;
138 struct lpfc_hba *phba;
139 struct list_head child_list;
140 struct list_head page_list;
141 struct list_head sgl_list;
142 struct list_head cpu_list;
143 uint32_t entry_count; /* Number of entries to support on the queue */
144 uint32_t entry_size; /* Size of each queue entry. */
145 uint32_t entry_cnt_per_pg;
146 uint32_t notify_interval; /* Queue Notification Interval
147 * For chip->host queues (EQ, CQ, RQ):
148 * specifies the interval (number of
149 * entries) where the doorbell is rung to
150 * notify the chip of entry consumption.
151 * For host->chip queues (WQ):
152 * specifies the interval (number of
153 * entries) where consumption CQE is
154 * requested to indicate WQ entries
155 * consumed by the chip.
158 #define LPFC_EQ_NOTIFY_INTRVL 16
159 #define LPFC_CQ_NOTIFY_INTRVL 16
160 #define LPFC_WQ_NOTIFY_INTRVL 16
161 #define LPFC_RQ_NOTIFY_INTRVL 16
162 uint32_t max_proc_limit; /* Queue Processing Limit
163 * For chip->host queues (EQ, CQ):
164 * specifies the maximum number of
165 * entries to be consumed in one
166 * processing iteration sequence. Queue
167 * will be rearmed after each iteration.
168 * Not used on an MQ, RQ or WQ.
170 #define LPFC_EQ_MAX_PROC_LIMIT 256
171 #define LPFC_CQ_MIN_PROC_LIMIT 64
172 #define LPFC_CQ_MAX_PROC_LIMIT LPFC_CQE_EXP_COUNT // 4096
173 #define LPFC_CQ_DEF_MAX_PROC_LIMIT LPFC_CQE_DEF_COUNT // 1024
174 #define LPFC_CQ_MIN_THRESHOLD_TO_POLL 64
175 #define LPFC_CQ_MAX_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
176 #define LPFC_CQ_DEF_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
177 uint32_t queue_claimed; /* indicates queue is being processed */
178 uint32_t queue_id; /* Queue ID assigned by the hardware */
179 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
180 uint32_t host_index; /* The host's index for putting or getting */
181 uint32_t hba_index; /* The last known hba index for get or put */
184 struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
185 struct lpfc_rqb *rqbp; /* ptr to RQ buffers */
187 uint16_t page_count; /* Number of pages allocated for this queue */
188 uint16_t page_size; /* size of page allocated for this queue */
189 #define LPFC_EXPANDED_PAGE_SIZE 16384
190 #define LPFC_DEFAULT_PAGE_SIZE 4096
191 uint16_t chann; /* Hardware Queue association WQ/CQ */
192 /* CPU affinity for EQ */
193 #define LPFC_FIND_BY_EQ 0
194 #define LPFC_FIND_BY_HDWQ 1
196 #define LPFC_DB_RING_FORMAT 0x01
197 #define LPFC_DB_LIST_FORMAT 0x02
199 #define HBA_NVMET_WQFULL 0x1 /* We hit WQ Full condition for NVMET */
200 #define HBA_NVMET_CQ_NOTIFY 0x1 /* LPFC_NVMET_CQ_NOTIFY CQEs this EQE */
201 #define LPFC_NVMET_CQ_NOTIFY 4
202 void __iomem *db_regaddr;
205 void __iomem *dpp_regaddr;
212 /* defines for EQ stats */
213 #define EQ_max_eqe q_cnt_1
214 #define EQ_no_entry q_cnt_2
215 #define EQ_cqe_cnt q_cnt_3
216 #define EQ_processed q_cnt_4
218 /* defines for CQ stats */
219 #define CQ_mbox q_cnt_1
220 #define CQ_max_cqe q_cnt_1
221 #define CQ_release_wqe q_cnt_2
222 #define CQ_xri_aborted q_cnt_3
223 #define CQ_wq q_cnt_4
225 /* defines for WQ stats */
226 #define WQ_overflow q_cnt_1
227 #define WQ_posted q_cnt_4
229 /* defines for RQ stats */
230 #define RQ_no_posted_buf q_cnt_1
231 #define RQ_no_buf_found q_cnt_2
232 #define RQ_buf_posted q_cnt_3
233 #define RQ_rcv_buf q_cnt_4
235 struct work_struct irqwork;
236 struct work_struct spwork;
237 struct delayed_work sched_irqwork;
238 struct delayed_work sched_spwork;
240 uint64_t isr_timestamp;
242 uint16_t last_cpu; /* most recent cpu */
244 struct lpfc_queue *assoc_qp;
245 void **q_pgs; /* array to index entries per page */
248 struct lpfc_sli4_link {
255 uint32_t logical_speed;
259 struct lpfc_fcf_rec {
260 uint8_t fabric_name[8];
261 uint8_t switch_name[8];
268 #define BOOT_ENABLE 0x01
269 #define RECORD_VALID 0x02
272 struct lpfc_fcf_pri_rec {
274 #define LPFC_FCF_ON_PRI_LIST 0x0001
275 #define LPFC_FCF_FLOGI_FAILED 0x0002
280 struct lpfc_fcf_pri {
281 struct list_head list;
282 struct lpfc_fcf_pri_rec fcf_rec;
286 * Maximum FCF table index, it is for driver internal book keeping, it
287 * just needs to be no less than the supported HBA's FCF table size.
289 #define LPFC_SLI4_FCF_TBL_INDX_MAX 32
294 #define FCF_AVAILABLE 0x01 /* FCF available for discovery */
295 #define FCF_REGISTERED 0x02 /* FCF registered with FW */
296 #define FCF_SCAN_DONE 0x04 /* FCF table scan done */
297 #define FCF_IN_USE 0x08 /* Atleast one discovery completed */
298 #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
299 #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
300 #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
301 #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
302 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
303 #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
304 #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
305 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
306 uint16_t fcf_redisc_attempted;
308 uint32_t eligible_fcf_cnt;
309 struct lpfc_fcf_rec current_rec;
310 struct lpfc_fcf_rec failover_rec;
311 struct list_head fcf_pri_list;
312 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
313 uint32_t current_fcf_scan_pri;
314 struct timer_list redisc_wait;
315 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
319 #define LPFC_REGION23_SIGNATURE "RG23"
320 #define LPFC_REGION23_VERSION 1
321 #define LPFC_REGION23_LAST_REC 0xff
322 #define DRIVER_SPECIFIC_TYPE 0xA2
323 #define LINUX_DRIVER_ID 0x20
324 #define PORT_STE_TYPE 0x1
326 struct lpfc_fip_param_hdr {
328 #define FCOE_PARAM_TYPE 0xA0
330 #define FCOE_PARAM_LENGTH 2
331 uint8_t parm_version;
332 #define FIPP_VERSION 0x01
334 #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
335 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
336 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
337 #define FIPP_MODE_ON 0x1
338 #define FIPP_MODE_OFF 0x0
339 #define FIPP_VLAN_VALID 0x1
342 struct lpfc_fcoe_params {
349 struct lpfc_fcf_conn_hdr {
351 #define FCOE_CONN_TBL_TYPE 0xA1
352 uint8_t length; /* words */
356 struct lpfc_fcf_conn_rec {
358 #define FCFCNCT_VALID 0x0001
359 #define FCFCNCT_BOOT 0x0002
360 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
361 #define FCFCNCT_FBNM_VALID 0x0008
362 #define FCFCNCT_SWNM_VALID 0x0010
363 #define FCFCNCT_VLAN_VALID 0x0020
364 #define FCFCNCT_AM_VALID 0x0040
365 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
366 #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
369 uint8_t fabric_name[8];
370 uint8_t switch_name[8];
373 struct lpfc_fcf_conn_entry {
374 struct list_head list;
375 struct lpfc_fcf_conn_rec conn_rec;
379 * Define the host's bootstrap mailbox. This structure contains
380 * the member attributes needed to create, use, and destroy the
381 * bootstrap mailbox region.
383 * The macro definitions for the bmbx data structure are defined
384 * in lpfc_hw4.h with the register definition.
387 struct lpfc_dmabuf *dmabuf;
388 struct dma_address dma_address;
394 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
396 #define LPFC_EQE_SIZE_4B 4
397 #define LPFC_EQE_SIZE_16B 16
398 #define LPFC_CQE_SIZE 16
399 #define LPFC_WQE_SIZE 64
400 #define LPFC_WQE128_SIZE 128
401 #define LPFC_MQE_SIZE 256
402 #define LPFC_RQE_SIZE 8
404 #define LPFC_EQE_DEF_COUNT 1024
405 #define LPFC_CQE_DEF_COUNT 1024
406 #define LPFC_CQE_EXP_COUNT 4096
407 #define LPFC_WQE_DEF_COUNT 256
408 #define LPFC_WQE_EXP_COUNT 1024
409 #define LPFC_MQE_DEF_COUNT 16
410 #define LPFC_RQE_DEF_COUNT 512
412 #define LPFC_QUEUE_NOARM false
413 #define LPFC_QUEUE_REARM true
417 * SLI4 CT field defines
419 #define SLI4_CT_RPI 0
420 #define SLI4_CT_VPI 1
421 #define SLI4_CT_VFI 2
422 #define SLI4_CT_FCFI 3
425 * SLI4 specific data structures
427 struct lpfc_max_cfg_param {
449 /* SLI4 HBA multi-fcp queue handler struct */
450 #define LPFC_SLI4_HANDLER_NAME_SZ 16
451 struct lpfc_hba_eq_hdl {
453 char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
454 struct lpfc_hba *phba;
455 struct lpfc_queue *eq;
458 /*BB Credit recovery value*/
459 struct lpfc_bbscn_params {
461 #define lpfc_bbscn_min_SHIFT 0
462 #define lpfc_bbscn_min_MASK 0x0000000F
463 #define lpfc_bbscn_min_WORD word0
464 #define lpfc_bbscn_max_SHIFT 4
465 #define lpfc_bbscn_max_MASK 0x0000000F
466 #define lpfc_bbscn_max_WORD word0
467 #define lpfc_bbscn_def_SHIFT 8
468 #define lpfc_bbscn_def_MASK 0x0000000F
469 #define lpfc_bbscn_def_WORD word0
472 /* Port Capabilities for SLI4 Parameters */
473 struct lpfc_pc_sli4_params {
478 uint32_t featurelevel_1;
479 uint32_t featurelevel_2;
480 uint32_t proto_types;
481 #define LPFC_SLI4_PROTO_FCOE 0x0000001
482 #define LPFC_SLI4_PROTO_FC 0x0000002
483 #define LPFC_SLI4_PROTO_NIC 0x0000004
484 #define LPFC_SLI4_PROTO_ISCSI 0x0000008
485 #define LPFC_SLI4_PROTO_RDMA 0x0000010
486 uint32_t sge_supp_len;
488 uint32_t rq_db_window;
489 uint32_t loopbk_scope;
490 uint32_t oas_supported;
491 uint32_t eq_pages_max;
493 uint32_t cq_pages_max;
495 uint32_t mq_pages_max;
497 uint32_t mq_elem_cnt;
498 uint32_t wq_pages_max;
500 uint32_t rq_pages_max;
502 uint32_t hdr_pages_max;
504 uint32_t hdr_pp_align;
505 uint32_t sgl_pages_max;
506 uint32_t sgl_pp_align;
515 #define LPFC_WQ_SZ64_SUPPORT 1
516 #define LPFC_WQ_SZ128_SUPPORT 2
521 #define LPFC_CQ_4K_PAGE_SZ 0x1
522 #define LPFC_CQ_16K_PAGE_SZ 0x4
523 #define LPFC_WQ_4K_PAGE_SZ 0x1
524 #define LPFC_WQ_16K_PAGE_SZ 0x4
531 struct lpfc_sli4_lnk_info {
533 #define LPFC_LNK_DAT_INVAL 0
534 #define LPFC_LNK_DAT_VAL 1
536 #define LPFC_LNK_GE 0x0 /* FCoE */
537 #define LPFC_LNK_FC 0x1 /* FC */
538 #define LPFC_LNK_FC_TRUNKED 0x2 /* FC_Trunked */
543 #define LPFC_SLI4_HANDLER_CNT (LPFC_HBA_IO_CHAN_MAX+ \
544 LPFC_FOF_IO_CHAN_NUM)
546 /* Used for IRQ vector to CPU mapping */
547 struct lpfc_vector_map_info {
554 #define LPFC_CPU_MAP_HYPER 0x1
555 #define LPFC_CPU_MAP_UNASSIGN 0x2
556 #define LPFC_CPU_FIRST_IRQ 0x4
558 #define LPFC_VECTOR_MAP_EMPTY 0xffff
563 struct lpfc_pbl_pool {
564 struct list_head list;
566 spinlock_t lock; /* lock for pbl_pool*/
569 struct lpfc_pvt_pool {
573 struct list_head list;
575 spinlock_t lock; /* lock for pvt_pool */
578 struct lpfc_multixri_pool {
581 /* Starting point when searching a pbl_pool with round-robin method */
584 /* Used by lpfc_adjust_pvt_pool_count.
585 * io_req_count is incremented by 1 during IO submission. The heartbeat
586 * handler uses these two variables to determine if pvt_pool is idle or
589 u32 prev_io_req_count;
595 u32 above_limit_count;
596 u32 below_limit_count;
597 u32 local_pbl_hit_count;
598 u32 other_pbl_hit_count;
601 #define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */
605 u32 stat_snapshot_taken;
608 /* TODO: Separate pvt_pool into get and put list */
609 struct lpfc_pbl_pool pbl_pool; /* Public free XRI pool */
610 struct lpfc_pvt_pool pvt_pool; /* Private free XRI pool */
613 struct lpfc_fc4_ctrl_stat {
616 u32 control_requests;
620 #ifdef LPFC_HDWQ_LOCK_STAT
621 struct lpfc_lock_stat {
622 uint32_t alloc_xri_get;
623 uint32_t alloc_xri_put;
626 uint32_t alloc_pvt_pool;
627 uint32_t mv_from_pvt_pool;
628 uint32_t mv_to_pub_pool;
629 uint32_t mv_to_pvt_pool;
630 uint32_t free_pub_pool;
631 uint32_t free_pvt_pool;
635 struct lpfc_eq_intr_info {
636 struct list_head list;
640 /* SLI4 HBA data structure entries */
641 struct lpfc_sli4_hdw_queue {
642 /* Pointers to the constructed SLI4 queues */
643 struct lpfc_queue *hba_eq; /* Event queues for HBA */
644 struct lpfc_queue *fcp_cq; /* Fast-path FCP compl queue */
645 struct lpfc_queue *nvme_cq; /* Fast-path NVME compl queue */
646 struct lpfc_queue *fcp_wq; /* Fast-path FCP work queue */
647 struct lpfc_queue *nvme_wq; /* Fast-path NVME work queue */
649 uint16_t nvme_cq_map;
651 /* Keep track of IO buffers for this hardware queue */
652 spinlock_t io_buf_list_get_lock; /* Common buf alloc list lock */
653 struct list_head lpfc_io_buf_list_get;
654 spinlock_t io_buf_list_put_lock; /* Common buf free list lock */
655 struct list_head lpfc_io_buf_list_put;
656 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
657 struct list_head lpfc_abts_scsi_buf_list;
658 spinlock_t abts_nvme_buf_list_lock; /* list of aborted NVME IOs */
659 struct list_head lpfc_abts_nvme_buf_list;
660 uint32_t total_io_bufs;
661 uint32_t get_io_bufs;
662 uint32_t put_io_bufs;
663 uint32_t empty_io_bufs;
664 uint32_t abts_scsi_io_bufs;
665 uint32_t abts_nvme_io_bufs;
667 /* Multi-XRI pool per HWQ */
668 struct lpfc_multixri_pool *p_multixri_pool;
670 /* FC-4 Stats counters */
671 struct lpfc_fc4_ctrl_stat nvme_cstat;
672 struct lpfc_fc4_ctrl_stat scsi_cstat;
673 #ifdef LPFC_HDWQ_LOCK_STAT
674 struct lpfc_lock_stat lock_conflict;
677 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
678 #define LPFC_CHECK_CPU_CNT 128
679 uint32_t cpucheck_rcv_io[LPFC_CHECK_CPU_CNT];
680 uint32_t cpucheck_xmt_io[LPFC_CHECK_CPU_CNT];
681 uint32_t cpucheck_cmpl_io[LPFC_CHECK_CPU_CNT];
685 #ifdef LPFC_HDWQ_LOCK_STAT
686 /* compile time trylock stats */
687 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
690 while (spin_trylock_irqsave(lock, flag) == 0) { \
693 qp->lock_conflict.lstat++; \
697 #define lpfc_qp_spin_lock(lock, qp, lstat) \
700 while (spin_trylock(lock) == 0) { \
703 qp->lock_conflict.lstat++; \
708 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
709 spin_lock_irqsave(lock, flag)
710 #define lpfc_qp_spin_lock(lock, qp, lstat) spin_lock(lock)
713 struct lpfc_sli4_hba {
714 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
715 * config space registers
717 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
720 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
723 void __iomem *dpp_regs_memmap_p; /* Kernel memory mapped address for
728 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
729 void __iomem *UERRLOregaddr;
730 void __iomem *UERRHIregaddr;
731 void __iomem *UEMASKLOregaddr;
732 void __iomem *UEMASKHIregaddr;
735 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
736 void __iomem *STATUSregaddr;
737 void __iomem *CTRLregaddr;
738 void __iomem *ERR1regaddr;
739 #define SLIPORT_ERR1_REG_ERR_CODE_1 0x1
740 #define SLIPORT_ERR1_REG_ERR_CODE_2 0x2
741 void __iomem *ERR2regaddr;
742 #define SLIPORT_ERR2_REG_FW_RESTART 0x0
743 #define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1
744 #define SLIPORT_ERR2_REG_FORCED_DUMP 0x2
745 #define SLIPORT_ERR2_REG_FAILURE_EQ 0x3
746 #define SLIPORT_ERR2_REG_FAILURE_CQ 0x4
747 #define SLIPORT_ERR2_REG_FAILURE_BUS 0x5
748 #define SLIPORT_ERR2_REG_FAILURE_RQ 0x6
749 void __iomem *EQDregaddr;
753 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
754 void __iomem *PSMPHRregaddr;
756 /* Well-known SLI INTF register memory map. */
757 void __iomem *SLIINTFregaddr;
759 /* IF type 0, BAR 1 function CSR register memory map */
760 void __iomem *ISRregaddr; /* HST_ISR register */
761 void __iomem *IMRregaddr; /* HST_IMR register */
762 void __iomem *ISCRregaddr; /* HST_ISCR register */
763 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
764 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */
765 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */
766 void __iomem *CQDBregaddr; /* CQ_DOORBELL register */
767 void __iomem *EQDBregaddr; /* EQ_DOORBELL register */
768 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */
769 void __iomem *BMBXregaddr; /* BootStrap MBX register */
775 struct lpfc_register sli_intf;
776 struct lpfc_pc_sli4_params pc_sli4_params;
777 struct lpfc_bbscn_params bbscn_params;
778 struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
780 void (*sli4_eq_clr_intr)(struct lpfc_queue *q);
781 void (*sli4_write_eq_db)(struct lpfc_hba *phba, struct lpfc_queue *eq,
782 uint32_t count, bool arm);
783 void (*sli4_write_cq_db)(struct lpfc_hba *phba, struct lpfc_queue *cq,
784 uint32_t count, bool arm);
786 /* Pointers to the constructed SLI4 queues */
787 struct lpfc_sli4_hdw_queue *hdwq;
788 struct list_head lpfc_wq_list;
790 /* Pointers to the constructed SLI4 queues for NVMET */
791 struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
792 struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
793 struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
795 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
796 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
797 struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
798 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
799 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
800 struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
801 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
802 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
804 struct lpfc_name wwnn;
805 struct lpfc_name wwpn;
807 uint32_t fw_func_mode; /* FW function protocol mode */
808 uint32_t ulp0_mode; /* ULP0 protocol mode */
809 uint32_t ulp1_mode; /* ULP1 protocol mode */
811 /* Optimized Access Storage specific queues/structures */
812 uint64_t oas_next_lun;
813 uint8_t oas_next_tgt_wwpn[8];
814 uint8_t oas_next_vpt_wwpn[8];
816 /* Setup information for various queue parameters */
827 #define LPFC_SP_EQ_MAX_INTR_SEC 10000
828 #define LPFC_FP_EQ_MAX_INTR_SEC 10000
830 uint32_t intr_enable;
831 struct lpfc_bmbx bmbx;
832 struct lpfc_max_cfg_param max_cfg_param;
833 uint16_t extents_in_use; /* must allocate resource extents. */
834 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
835 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
839 uint16_t io_xri_start;
840 uint16_t els_xri_cnt;
841 uint16_t nvmet_xri_cnt;
842 uint16_t nvmet_io_wait_cnt;
843 uint16_t nvmet_io_wait_total;
845 struct lpfc_queue **cq_lookup;
846 struct list_head lpfc_els_sgl_list;
847 struct list_head lpfc_abts_els_sgl_list;
848 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
849 struct list_head lpfc_abts_scsi_buf_list;
850 struct list_head lpfc_nvmet_sgl_list;
851 spinlock_t abts_nvmet_buf_list_lock; /* list of aborted NVMET IOs */
852 struct list_head lpfc_abts_nvmet_ctx_list;
853 spinlock_t t_active_list_lock; /* list of active NVMET IOs */
854 struct list_head t_active_ctx_list;
855 struct list_head lpfc_nvmet_io_wait_list;
856 struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
857 struct lpfc_sglq **lpfc_sglq_active_list;
858 struct list_head lpfc_rpi_hdr_list;
859 unsigned long *rpi_bmask;
862 struct list_head lpfc_rpi_blk_list;
863 unsigned long *xri_bmask;
865 struct list_head lpfc_xri_blk_list;
866 unsigned long *vfi_bmask;
869 struct list_head lpfc_vfi_blk_list;
870 struct lpfc_sli4_flags sli4_flags;
871 struct list_head sp_queue_event;
872 struct list_head sp_cqe_event_pool;
873 struct list_head sp_asynce_work_queue;
874 struct list_head sp_fcp_xri_aborted_work_queue;
875 struct list_head sp_els_xri_aborted_work_queue;
876 struct list_head sp_unsol_work_queue;
877 struct lpfc_sli4_link link_state;
878 struct lpfc_sli4_lnk_info lnk_info;
879 uint32_t pport_name_sta;
880 #define LPFC_SLI4_PPNAME_NON 0
881 #define LPFC_SLI4_PPNAME_GET 1
883 spinlock_t sgl_list_lock; /* list of aborted els IOs */
884 spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
885 uint32_t physical_port;
887 /* CPU to vector mapping information */
888 struct lpfc_vector_map_info *cpu_map;
889 uint16_t num_possible_cpu;
890 uint16_t num_present_cpu;
891 uint16_t curr_disp_cpu;
892 struct lpfc_eq_intr_info __percpu *eq_info;
894 #define lpfc_conf_trunk_port0_WORD conf_trunk
895 #define lpfc_conf_trunk_port0_SHIFT 0
896 #define lpfc_conf_trunk_port0_MASK 0x1
897 #define lpfc_conf_trunk_port1_WORD conf_trunk
898 #define lpfc_conf_trunk_port1_SHIFT 1
899 #define lpfc_conf_trunk_port1_MASK 0x1
900 #define lpfc_conf_trunk_port2_WORD conf_trunk
901 #define lpfc_conf_trunk_port2_SHIFT 2
902 #define lpfc_conf_trunk_port2_MASK 0x1
903 #define lpfc_conf_trunk_port3_WORD conf_trunk
904 #define lpfc_conf_trunk_port3_SHIFT 3
905 #define lpfc_conf_trunk_port3_MASK 0x1
906 #define lpfc_conf_trunk_port0_nd_WORD conf_trunk
907 #define lpfc_conf_trunk_port0_nd_SHIFT 4
908 #define lpfc_conf_trunk_port0_nd_MASK 0x1
909 #define lpfc_conf_trunk_port1_nd_WORD conf_trunk
910 #define lpfc_conf_trunk_port1_nd_SHIFT 5
911 #define lpfc_conf_trunk_port1_nd_MASK 0x1
912 #define lpfc_conf_trunk_port2_nd_WORD conf_trunk
913 #define lpfc_conf_trunk_port2_nd_SHIFT 6
914 #define lpfc_conf_trunk_port2_nd_MASK 0x1
915 #define lpfc_conf_trunk_port3_nd_WORD conf_trunk
916 #define lpfc_conf_trunk_port3_nd_SHIFT 7
917 #define lpfc_conf_trunk_port3_nd_MASK 0x1
926 enum lpfc_sgl_state {
933 /* lpfc_sglqs are used in double linked lists */
934 struct list_head list;
935 struct list_head clist;
936 enum lpfc_sge_type buff_type; /* is this a scsi sgl */
937 enum lpfc_sgl_state state;
938 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
939 uint16_t iotag; /* pre-assigned IO tag */
940 uint16_t sli4_lxritag; /* logical pre-assigned xri. */
941 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
942 struct sli4_sge *sgl; /* pre-assigned SGL */
943 void *virt; /* virtual address. */
944 dma_addr_t phys; /* physical address */
947 struct lpfc_rpi_hdr {
948 struct list_head list;
950 struct lpfc_dmabuf *dmabuf;
956 struct lpfc_rsrc_blks {
957 struct list_head list;
963 struct lpfc_rdp_context {
964 struct lpfc_nodelist *ndlp;
967 READ_LNK_VAR link_stat;
968 uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
969 uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
970 void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
973 struct lpfc_lcb_context {
981 struct lpfc_nodelist *ndlp;
986 * SLI4 specific function prototypes
988 int lpfc_pci_function_reset(struct lpfc_hba *);
989 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
990 int lpfc_sli4_hba_setup(struct lpfc_hba *);
991 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
992 uint8_t, uint32_t, bool);
993 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
994 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
995 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
996 struct lpfc_mbx_sge *);
997 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
1000 void lpfc_sli4_hba_reset(struct lpfc_hba *);
1001 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *phba,
1003 uint32_t entry_size,
1004 uint32_t entry_count, int cpu);
1005 void lpfc_sli4_queue_free(struct lpfc_queue *);
1006 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
1007 void lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
1008 uint32_t numq, uint32_t usdelay);
1009 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
1010 struct lpfc_queue *, uint32_t, uint32_t);
1011 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
1012 struct lpfc_sli4_hdw_queue *hdwq, uint32_t type,
1014 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
1015 struct lpfc_queue *, uint32_t);
1016 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
1017 struct lpfc_queue *, uint32_t);
1018 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
1019 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
1020 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
1021 struct lpfc_queue **drqp, struct lpfc_queue **cqp,
1023 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1024 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1025 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1026 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1027 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
1028 struct lpfc_queue *);
1029 int lpfc_sli4_queue_setup(struct lpfc_hba *);
1030 void lpfc_sli4_queue_unset(struct lpfc_hba *);
1031 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
1032 int lpfc_repost_io_sgl_list(struct lpfc_hba *phba);
1033 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
1034 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
1035 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
1036 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1037 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1038 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1039 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1040 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
1041 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
1042 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
1043 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
1044 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
1045 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
1046 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
1047 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
1048 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
1049 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
1050 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
1051 void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
1052 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
1053 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
1054 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
1055 struct sli4_wcqe_xri_aborted *, int);
1056 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
1057 struct sli4_wcqe_xri_aborted *axri, int idx);
1058 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
1059 struct sli4_wcqe_xri_aborted *axri);
1060 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
1061 struct sli4_wcqe_xri_aborted *);
1062 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
1063 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
1064 int lpfc_sli4_brdreset(struct lpfc_hba *);
1065 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
1066 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
1067 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
1068 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
1069 int lpfc_sli4_init_vpi(struct lpfc_vport *);
1070 void lpfc_sli4_eq_clr_intr(struct lpfc_queue *);
1071 void lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1072 uint32_t count, bool arm);
1073 void lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1074 uint32_t count, bool arm);
1075 void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q);
1076 void lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1077 uint32_t count, bool arm);
1078 void lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1079 uint32_t count, bool arm);
1080 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
1081 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
1082 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
1083 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
1084 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1085 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1086 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1087 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
1088 int lpfc_sli4_post_status_check(struct lpfc_hba *);
1089 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1090 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1091 void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba);
1092 static inline void *lpfc_sli4_qe(struct lpfc_queue *q, uint16_t idx)
1094 return q->q_pgs[idx / q->entry_cnt_per_pg] +
1095 (q->entry_size * (idx % q->entry_cnt_per_pg));