1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for         *
3 * Fibre Channel Host Bus Adapters.                                *
4 * Copyright (C) 2017-2024 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.                        *
8 * www.broadcom.com                                                *
9 *                                                                 *
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 *******************************************************************/
22
23#include <linux/irq_poll.h>
24#include <linux/cpufreq.h>
25
26#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
27#define CONFIG_SCSI_LPFC_DEBUG_FS
28#endif
29
30#define LPFC_ACTIVE_MBOX_WAIT_CNT               100
31#define LPFC_XRI_EXCH_BUSY_WAIT_TMO		10000
32#define LPFC_XRI_EXCH_BUSY_WAIT_T1   		10
33#define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
34#define LPFC_RPI_LOW_WATER_MARK			10
35
36#define LPFC_UNREG_FCF                          1
37#define LPFC_SKIP_UNREG_FCF                     0
38
39/* Amount of time in seconds for waiting FCF rediscovery to complete */
40#define LPFC_FCF_REDISCOVER_WAIT_TMO		2000 /* msec */
41
42/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
43#define LPFC_NEMBED_MBOX_SGL_CNT		254
44
45/* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
46#define LPFC_HBA_HDWQ_MIN	0
47#define LPFC_HBA_HDWQ_MAX	256
48#define LPFC_HBA_HDWQ_DEF	LPFC_HBA_HDWQ_MIN
49
50/* irq_chann range, values */
51#define LPFC_IRQ_CHANN_MIN	0
52#define LPFC_IRQ_CHANN_MAX	256
53#define LPFC_IRQ_CHANN_DEF	LPFC_IRQ_CHANN_MIN
54
55/* FCP MQ queue count limiting */
56#define LPFC_FCP_MQ_THRESHOLD_MIN	0
57#define LPFC_FCP_MQ_THRESHOLD_MAX	256
58#define LPFC_FCP_MQ_THRESHOLD_DEF	8
59
60/*
61 * Provide the default FCF Record attributes used by the driver
62 * when nonFIP mode is configured and there is no other default
63 * FCF Record attributes.
64 */
65#define LPFC_FCOE_FCF_DEF_INDEX	0
66#define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
67#define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF
68
69#define LPFC_FCOE_NULL_VID	0xFFF
70#define LPFC_FCOE_IGNORE_VID	0xFFFF
71
72/* First 3 bytes of default FCF MAC is specified by FC_MAP */
73#define LPFC_FCOE_FCF_MAC3	0xFF
74#define LPFC_FCOE_FCF_MAC4	0xFF
75#define LPFC_FCOE_FCF_MAC5	0xFE
76#define LPFC_FCOE_FCF_MAP0	0x0E
77#define LPFC_FCOE_FCF_MAP1	0xFC
78#define LPFC_FCOE_FCF_MAP2	0x00
79#define LPFC_FCOE_MAX_RCV_SIZE	0x800
80#define LPFC_FCOE_FKA_ADV_PER	0
81#define LPFC_FCOE_FIP_PRIORITY	0x80
82
83#define sli4_sid_from_fc_hdr(fc_hdr)  \
84	((fc_hdr)->fh_s_id[0] << 16 | \
85	 (fc_hdr)->fh_s_id[1] <<  8 | \
86	 (fc_hdr)->fh_s_id[2])
87
88#define sli4_did_from_fc_hdr(fc_hdr)  \
89	((fc_hdr)->fh_d_id[0] << 16 | \
90	 (fc_hdr)->fh_d_id[1] <<  8 | \
91	 (fc_hdr)->fh_d_id[2])
92
93#define sli4_fctl_from_fc_hdr(fc_hdr)  \
94	((fc_hdr)->fh_f_ctl[0] << 16 | \
95	 (fc_hdr)->fh_f_ctl[1] <<  8 | \
96	 (fc_hdr)->fh_f_ctl[2])
97
98#define sli4_type_from_fc_hdr(fc_hdr)  \
99	((fc_hdr)->fh_type)
100
101#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
102
103#define INT_FW_UPGRADE	0
104#define RUN_FW_UPGRADE	1
105
106enum lpfc_sli4_queue_type {
107	LPFC_EQ,
108	LPFC_GCQ,
109	LPFC_MCQ,
110	LPFC_WCQ,
111	LPFC_RCQ,
112	LPFC_MQ,
113	LPFC_WQ,
114	LPFC_HRQ,
115	LPFC_DRQ
116};
117
118/* The queue sub-type defines the functional purpose of the queue */
119enum lpfc_sli4_queue_subtype {
120	LPFC_NONE,
121	LPFC_MBOX,
122	LPFC_IO,
123	LPFC_ELS,
124	LPFC_NVMET,
125	LPFC_NVME_LS,
126	LPFC_USOL
127};
128
129/* RQ buffer list */
130struct lpfc_rqb {
131	uint16_t entry_count;	  /* Current number of RQ slots */
132	uint16_t buffer_count;	  /* Current number of buffers posted */
133	struct list_head rqb_buffer_list;  /* buffers assigned to this HBQ */
134				  /* Callback for HBQ buffer allocation */
135	struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
136				  /* Callback for HBQ buffer free */
137	void               (*rqb_free_buffer)(struct lpfc_hba *,
138					       struct rqb_dmabuf *);
139};
140
141enum lpfc_poll_mode {
142	LPFC_QUEUE_WORK,
143	LPFC_THREADED_IRQ,
144};
145
146struct lpfc_idle_stat {
147	u64 prev_idle;
148	u64 prev_wall;
149};
150
151struct lpfc_queue {
152	struct list_head list;
153	struct list_head wq_list;
154
155	/*
156	 * If interrupts are in effect on _all_ the eq's the footprint
157	 * of polling code is zero (except mode). This memory is chec-
158	 * ked for every io to see if the io needs to be polled and
159	 * while completion to check if the eq's needs to be rearmed.
160	 * Keep in same cacheline as the queue ptr to avoid cpu fetch
161	 * stalls. Using 1B memory will leave us with 7B hole. Fill
162	 * it with other frequently used members.
163	 */
164	uint16_t last_cpu;	/* most recent cpu */
165	uint16_t hdwq;
166	uint8_t	 qe_valid;
167	uint8_t  mode;	/* interrupt or polling */
168#define LPFC_EQ_INTERRUPT	0
169#define LPFC_EQ_POLL		1
170
171	struct list_head wqfull_list;
172	enum lpfc_sli4_queue_type type;
173	enum lpfc_sli4_queue_subtype subtype;
174	struct lpfc_hba *phba;
175	struct list_head child_list;
176	struct list_head page_list;
177	struct list_head sgl_list;
178	struct list_head cpu_list;
179	uint32_t entry_count;	/* Number of entries to support on the queue */
180	uint32_t entry_size;	/* Size of each queue entry. */
181	uint32_t entry_cnt_per_pg;
182	uint32_t notify_interval; /* Queue Notification Interval
183				   * For chip->host queues (EQ, CQ, RQ):
184				   *  specifies the interval (number of
185				   *  entries) where the doorbell is rung to
186				   *  notify the chip of entry consumption.
187				   * For host->chip queues (WQ):
188				   *  specifies the interval (number of
189				   *  entries) where consumption CQE is
190				   *  requested to indicate WQ entries
191				   *  consumed by the chip.
192				   * Not used on an MQ.
193				   */
194#define LPFC_EQ_NOTIFY_INTRVL	16
195#define LPFC_CQ_NOTIFY_INTRVL	16
196#define LPFC_WQ_NOTIFY_INTRVL	16
197#define LPFC_RQ_NOTIFY_INTRVL	16
198	uint32_t max_proc_limit; /* Queue Processing Limit
199				  * For chip->host queues (EQ, CQ):
200				  *  specifies the maximum number of
201				  *  entries to be consumed in one
202				  *  processing iteration sequence. Queue
203				  *  will be rearmed after each iteration.
204				  * Not used on an MQ, RQ or WQ.
205				  */
206#define LPFC_EQ_MAX_PROC_LIMIT		256
207#define LPFC_CQ_MIN_PROC_LIMIT		64
208#define LPFC_CQ_MAX_PROC_LIMIT		LPFC_CQE_EXP_COUNT	// 4096
209#define LPFC_CQ_DEF_MAX_PROC_LIMIT	LPFC_CQE_DEF_COUNT	// 1024
210#define LPFC_CQ_MIN_THRESHOLD_TO_POLL	64
211#define LPFC_CQ_MAX_THRESHOLD_TO_POLL	LPFC_CQ_DEF_MAX_PROC_LIMIT
212#define LPFC_CQ_DEF_THRESHOLD_TO_POLL	LPFC_CQ_DEF_MAX_PROC_LIMIT
213	uint32_t queue_claimed; /* indicates queue is being processed */
214	uint32_t queue_id;	/* Queue ID assigned by the hardware */
215	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
216	uint32_t host_index;	/* The host's index for putting or getting */
217	uint32_t hba_index;	/* The last known hba index for get or put */
218	uint32_t q_mode;
219
220	struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
221	struct lpfc_rqb *rqbp;	/* ptr to RQ buffers */
222
223	uint16_t page_count;	/* Number of pages allocated for this queue */
224	uint16_t page_size;	/* size of page allocated for this queue */
225#define LPFC_EXPANDED_PAGE_SIZE	16384
226#define LPFC_DEFAULT_PAGE_SIZE	4096
227	uint16_t chann;		/* Hardware Queue association WQ/CQ */
228				/* CPU affinity for EQ */
229#define LPFC_FIND_BY_EQ		0
230#define LPFC_FIND_BY_HDWQ	1
231	uint8_t db_format;
232#define LPFC_DB_RING_FORMAT	0x01
233#define LPFC_DB_LIST_FORMAT	0x02
234	uint8_t q_flag;
235#define HBA_NVMET_WQFULL	0x1 /* We hit WQ Full condition for NVMET */
236#define HBA_NVMET_CQ_NOTIFY	0x1 /* LPFC_NVMET_CQ_NOTIFY CQEs this EQE */
237#define HBA_EQ_DELAY_CHK	0x2 /* EQ is a candidate for coalescing */
238#define LPFC_NVMET_CQ_NOTIFY	4
239	void __iomem *db_regaddr;
240	uint16_t dpp_enable;
241	uint16_t dpp_id;
242	void __iomem *dpp_regaddr;
243
244	/* For q stats */
245	uint32_t q_cnt_1;
246	uint32_t q_cnt_2;
247	uint32_t q_cnt_3;
248	uint64_t q_cnt_4;
249/* defines for EQ stats */
250#define	EQ_max_eqe		q_cnt_1
251#define	EQ_no_entry		q_cnt_2
252#define	EQ_cqe_cnt		q_cnt_3
253#define	EQ_processed		q_cnt_4
254
255/* defines for CQ stats */
256#define	CQ_mbox			q_cnt_1
257#define	CQ_max_cqe		q_cnt_1
258#define	CQ_release_wqe		q_cnt_2
259#define	CQ_xri_aborted		q_cnt_3
260#define	CQ_wq			q_cnt_4
261
262/* defines for WQ stats */
263#define	WQ_overflow		q_cnt_1
264#define	WQ_posted		q_cnt_4
265
266/* defines for RQ stats */
267#define	RQ_no_posted_buf	q_cnt_1
268#define	RQ_no_buf_found		q_cnt_2
269#define	RQ_buf_posted		q_cnt_3
270#define	RQ_rcv_buf		q_cnt_4
271
272	struct work_struct	irqwork;
273	struct work_struct	spwork;
274	struct delayed_work	sched_irqwork;
275	struct delayed_work	sched_spwork;
276
277	uint64_t isr_timestamp;
278	struct lpfc_queue *assoc_qp;
279	struct list_head _poll_list;
280	void **q_pgs;	/* array to index entries per page */
281
282	enum lpfc_poll_mode poll_mode;
283};
284
285struct lpfc_sli4_link {
286	uint32_t speed;
287	uint8_t duplex;
288	uint8_t status;
289	uint8_t type;
290	uint8_t number;
291	uint8_t fault;
292	uint8_t link_status;
293	uint16_t topology;
294	uint32_t logical_speed;
295};
296
297struct lpfc_fcf_rec {
298	uint8_t  fabric_name[8];
299	uint8_t  switch_name[8];
300	uint8_t  mac_addr[6];
301	uint16_t fcf_indx;
302	uint32_t priority;
303	uint16_t vlan_id;
304	uint32_t addr_mode;
305	uint32_t flag;
306#define BOOT_ENABLE	0x01
307#define RECORD_VALID	0x02
308};
309
310struct lpfc_fcf_pri_rec {
311	uint16_t fcf_index;
312#define LPFC_FCF_ON_PRI_LIST 0x0001
313#define LPFC_FCF_FLOGI_FAILED 0x0002
314	uint16_t flag;
315	uint32_t priority;
316};
317
318struct lpfc_fcf_pri {
319	struct list_head list;
320	struct lpfc_fcf_pri_rec fcf_rec;
321};
322
323/*
324 * Maximum FCF table index, it is for driver internal book keeping, it
325 * just needs to be no less than the supported HBA's FCF table size.
326 */
327#define LPFC_SLI4_FCF_TBL_INDX_MAX	32
328
329struct lpfc_fcf {
330	uint16_t fcfi;
331	uint32_t fcf_flag;
332#define FCF_AVAILABLE	0x01 /* FCF available for discovery */
333#define FCF_REGISTERED	0x02 /* FCF registered with FW */
334#define FCF_SCAN_DONE	0x04 /* FCF table scan done */
335#define FCF_IN_USE	0x08 /* Atleast one discovery completed */
336#define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
337#define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
338#define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
339#define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
340#define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
341#define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
342#define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
343#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
344	uint16_t fcf_redisc_attempted;
345	uint32_t addr_mode;
346	uint32_t eligible_fcf_cnt;
347	struct lpfc_fcf_rec current_rec;
348	struct lpfc_fcf_rec failover_rec;
349	struct list_head fcf_pri_list;
350	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
351	uint32_t current_fcf_scan_pri;
352	struct timer_list redisc_wait;
353	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
354};
355
356
357#define LPFC_REGION23_SIGNATURE "RG23"
358#define LPFC_REGION23_VERSION	1
359#define LPFC_REGION23_LAST_REC  0xff
360#define DRIVER_SPECIFIC_TYPE	0xA2
361#define LINUX_DRIVER_ID		0x20
362#define PORT_STE_TYPE		0x1
363
364struct lpfc_fip_param_hdr {
365	uint8_t type;
366#define FCOE_PARAM_TYPE		0xA0
367	uint8_t length;
368#define FCOE_PARAM_LENGTH	2
369	uint8_t parm_version;
370#define FIPP_VERSION		0x01
371	uint8_t parm_flags;
372#define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
373#define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
374#define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
375#define	FIPP_MODE_ON				0x1
376#define	FIPP_MODE_OFF				0x0
377#define FIPP_VLAN_VALID				0x1
378};
379
380struct lpfc_fcoe_params {
381	uint8_t fc_map[3];
382	uint8_t reserved1;
383	uint16_t vlan_tag;
384	uint8_t reserved[2];
385};
386
387struct lpfc_fcf_conn_hdr {
388	uint8_t type;
389#define FCOE_CONN_TBL_TYPE		0xA1
390	uint8_t length;   /* words */
391	uint8_t reserved[2];
392};
393
394struct lpfc_fcf_conn_rec {
395	uint16_t flags;
396#define	FCFCNCT_VALID		0x0001
397#define	FCFCNCT_BOOT		0x0002
398#define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
399#define	FCFCNCT_FBNM_VALID	0x0008
400#define	FCFCNCT_SWNM_VALID	0x0010
401#define	FCFCNCT_VLAN_VALID	0x0020
402#define	FCFCNCT_AM_VALID	0x0040
403#define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
404#define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
405
406	uint16_t vlan_tag;
407	uint8_t fabric_name[8];
408	uint8_t switch_name[8];
409};
410
411struct lpfc_fcf_conn_entry {
412	struct list_head list;
413	struct lpfc_fcf_conn_rec conn_rec;
414};
415
416/*
417 * Define the host's bootstrap mailbox.  This structure contains
418 * the member attributes needed to create, use, and destroy the
419 * bootstrap mailbox region.
420 *
421 * The macro definitions for the bmbx data structure are defined
422 * in lpfc_hw4.h with the register definition.
423 */
424struct lpfc_bmbx {
425	struct lpfc_dmabuf *dmabuf;
426	struct dma_address dma_address;
427	void *avirt;
428	dma_addr_t aphys;
429	uint32_t bmbx_size;
430};
431
432#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
433
434#define LPFC_EQE_SIZE_4B 	4
435#define LPFC_EQE_SIZE_16B	16
436#define LPFC_CQE_SIZE		16
437#define LPFC_WQE_SIZE		64
438#define LPFC_WQE128_SIZE	128
439#define LPFC_MQE_SIZE		256
440#define LPFC_RQE_SIZE		8
441
442#define LPFC_EQE_DEF_COUNT	1024
443#define LPFC_CQE_DEF_COUNT      1024
444#define LPFC_CQE_EXP_COUNT      4096
445#define LPFC_WQE_DEF_COUNT      256
446#define LPFC_WQE_EXP_COUNT      1024
447#define LPFC_MQE_DEF_COUNT      16
448#define LPFC_RQE_DEF_COUNT	512
449
450#define LPFC_QUEUE_NOARM	false
451#define LPFC_QUEUE_REARM	true
452
453
454/*
455 * SLI4 CT field defines
456 */
457#define SLI4_CT_RPI 0
458#define SLI4_CT_VPI 1
459#define SLI4_CT_VFI 2
460#define SLI4_CT_FCFI 3
461
462/*
463 * SLI4 specific data structures
464 */
465struct lpfc_max_cfg_param {
466	uint16_t max_xri;
467	uint16_t xri_base;
468	uint16_t xri_used;
469	uint16_t max_rpi;
470	uint16_t rpi_base;
471	uint16_t rpi_used;
472	uint16_t max_vpi;
473	uint16_t vpi_base;
474	uint16_t vpi_used;
475	uint16_t max_vfi;
476	uint16_t vfi_base;
477	uint16_t vfi_used;
478	uint16_t max_fcfi;
479	uint16_t fcfi_used;
480	uint16_t max_eq;
481	uint16_t max_rq;
482	uint16_t max_cq;
483	uint16_t max_wq;
484};
485
486struct lpfc_hba;
487/* SLI4 HBA multi-fcp queue handler struct */
488#define LPFC_SLI4_HANDLER_NAME_SZ	16
489struct lpfc_hba_eq_hdl {
490	uint32_t idx;
491	int irq;
492	char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
493	struct lpfc_hba *phba;
494	struct lpfc_queue *eq;
495	struct cpumask aff_mask;
496};
497
498#define lpfc_get_eq_hdl(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx])
499#define lpfc_get_aff_mask(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx].aff_mask)
500#define lpfc_get_irq(eqidx) (phba->sli4_hba.hba_eq_hdl[eqidx].irq)
501
502/*BB Credit recovery value*/
503struct lpfc_bbscn_params {
504	uint32_t word0;
505#define lpfc_bbscn_min_SHIFT		0
506#define lpfc_bbscn_min_MASK		0x0000000F
507#define lpfc_bbscn_min_WORD		word0
508#define lpfc_bbscn_max_SHIFT		4
509#define lpfc_bbscn_max_MASK		0x0000000F
510#define lpfc_bbscn_max_WORD		word0
511#define lpfc_bbscn_def_SHIFT		8
512#define lpfc_bbscn_def_MASK		0x0000000F
513#define lpfc_bbscn_def_WORD		word0
514};
515
516/* Port Capabilities for SLI4 Parameters */
517struct lpfc_pc_sli4_params {
518	uint32_t supported;
519	uint32_t if_type;
520	uint32_t sli_rev;
521	uint32_t sli_family;
522	uint32_t featurelevel_1;
523	uint32_t featurelevel_2;
524	uint32_t proto_types;
525#define LPFC_SLI4_PROTO_FCOE	0x0000001
526#define LPFC_SLI4_PROTO_FC	0x0000002
527#define LPFC_SLI4_PROTO_NIC	0x0000004
528#define LPFC_SLI4_PROTO_ISCSI	0x0000008
529#define LPFC_SLI4_PROTO_RDMA	0x0000010
530	uint32_t sge_supp_len;
531	uint32_t if_page_sz;
532	uint32_t rq_db_window;
533	uint32_t loopbk_scope;
534	uint32_t oas_supported;
535	uint32_t eq_pages_max;
536	uint32_t eqe_size;
537	uint32_t cq_pages_max;
538	uint32_t cqe_size;
539	uint32_t mq_pages_max;
540	uint32_t mqe_size;
541	uint32_t mq_elem_cnt;
542	uint32_t wq_pages_max;
543	uint32_t wqe_size;
544	uint32_t rq_pages_max;
545	uint32_t rqe_size;
546	uint32_t hdr_pages_max;
547	uint32_t hdr_size;
548	uint32_t hdr_pp_align;
549	uint32_t sgl_pages_max;
550	uint32_t sgl_pp_align;
551	uint32_t mib_size;
552	uint16_t mi_ver;
553#define LPFC_MIB1_SUPPORT	1
554#define LPFC_MIB2_SUPPORT	2
555#define LPFC_MIB3_SUPPORT	3
556	uint16_t mi_value;
557#define LPFC_DFLT_MIB_VAL	2
558	uint8_t mi_cap;
559	uint8_t mib_bde_cnt;
560	uint8_t cmf;
561	uint8_t cqv;
562	uint8_t mqv;
563	uint8_t wqv;
564	uint8_t rqv;
565	uint8_t eqav;
566	uint8_t cqav;
567	uint8_t wqsize;
568	uint8_t bv1s;
569	uint8_t pls;
570#define LPFC_WQ_SZ64_SUPPORT	1
571#define LPFC_WQ_SZ128_SUPPORT	2
572	uint8_t wqpcnt;
573	uint8_t nvme;
574};
575
576#define LPFC_CQ_4K_PAGE_SZ	0x1
577#define LPFC_CQ_16K_PAGE_SZ	0x4
578#define LPFC_WQ_4K_PAGE_SZ	0x1
579#define LPFC_WQ_16K_PAGE_SZ	0x4
580
581struct lpfc_iov {
582	uint32_t pf_number;
583	uint32_t vf_number;
584};
585
586struct lpfc_sli4_lnk_info {
587	uint8_t lnk_dv;
588#define LPFC_LNK_DAT_INVAL	0
589#define LPFC_LNK_DAT_VAL	1
590	uint8_t lnk_tp;
591#define LPFC_LNK_GE		0x0 /* FCoE */
592#define LPFC_LNK_FC		0x1 /* FC */
593#define LPFC_LNK_FC_TRUNKED	0x2 /* FC_Trunked */
594	uint8_t lnk_no;
595	uint8_t optic_state;
596};
597
598#define LPFC_SLI4_HANDLER_CNT		(LPFC_HBA_IO_CHAN_MAX+ \
599					 LPFC_FOF_IO_CHAN_NUM)
600
601/* Used for tracking CPU mapping attributes */
602struct lpfc_vector_map_info {
603	uint16_t	phys_id;
604	uint16_t	core_id;
605	uint16_t	eq;
606	uint16_t	hdwq;
607	uint16_t	flag;
608#define LPFC_CPU_MAP_HYPER	0x1
609#define LPFC_CPU_MAP_UNASSIGN	0x2
610#define LPFC_CPU_FIRST_IRQ	0x4
611};
612#define LPFC_VECTOR_MAP_EMPTY	0xffff
613
614#define LPFC_IRQ_EMPTY 0xffffffff
615
616/* Multi-XRI pool */
617#define XRI_BATCH               8
618
619struct lpfc_pbl_pool {
620	struct list_head list;
621	u32 count;
622	spinlock_t lock;	/* lock for pbl_pool*/
623};
624
625struct lpfc_pvt_pool {
626	u32 low_watermark;
627	u32 high_watermark;
628
629	struct list_head list;
630	u32 count;
631	spinlock_t lock;	/* lock for pvt_pool */
632};
633
634struct lpfc_multixri_pool {
635	u32 xri_limit;
636
637	/* Starting point when searching a pbl_pool with round-robin method */
638	u32 rrb_next_hwqid;
639
640	/* Used by lpfc_adjust_pvt_pool_count.
641	 * io_req_count is incremented by 1 during IO submission. The heartbeat
642	 * handler uses these two variables to determine if pvt_pool is idle or
643	 * busy.
644	 */
645	u32 prev_io_req_count;
646	u32 io_req_count;
647
648	/* statistics */
649	u32 pbl_empty_count;
650#ifdef LPFC_MXP_STAT
651	u32 above_limit_count;
652	u32 below_limit_count;
653	u32 local_pbl_hit_count;
654	u32 other_pbl_hit_count;
655	u32 stat_max_hwm;
656
657#define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */
658	u32 stat_pbl_count;
659	u32 stat_pvt_count;
660	u32 stat_busy_count;
661	u32 stat_snapshot_taken;
662#endif
663
664	/* TODO: Separate pvt_pool into get and put list */
665	struct lpfc_pbl_pool pbl_pool;   /* Public free XRI pool */
666	struct lpfc_pvt_pool pvt_pool;   /* Private free XRI pool */
667};
668
669struct lpfc_fc4_ctrl_stat {
670	u32 input_requests;
671	u32 output_requests;
672	u32 control_requests;
673	u32 io_cmpls;
674};
675
676#ifdef LPFC_HDWQ_LOCK_STAT
677struct lpfc_lock_stat {
678	uint32_t alloc_xri_get;
679	uint32_t alloc_xri_put;
680	uint32_t free_xri;
681	uint32_t wq_access;
682	uint32_t alloc_pvt_pool;
683	uint32_t mv_from_pvt_pool;
684	uint32_t mv_to_pub_pool;
685	uint32_t mv_to_pvt_pool;
686	uint32_t free_pub_pool;
687	uint32_t free_pvt_pool;
688};
689#endif
690
691struct lpfc_eq_intr_info {
692	struct list_head list;
693	uint32_t icnt;
694};
695
696/* SLI4 HBA data structure entries */
697struct lpfc_sli4_hdw_queue {
698	/* Pointers to the constructed SLI4 queues */
699	struct lpfc_queue *hba_eq;  /* Event queues for HBA */
700	struct lpfc_queue *io_cq;   /* Fast-path FCP & NVME compl queue */
701	struct lpfc_queue *io_wq;   /* Fast-path FCP & NVME work queue */
702	uint16_t io_cq_map;
703
704	/* Keep track of IO buffers for this hardware queue */
705	spinlock_t io_buf_list_get_lock;  /* Common buf alloc list lock */
706	struct list_head lpfc_io_buf_list_get;
707	spinlock_t io_buf_list_put_lock;  /* Common buf free list lock */
708	struct list_head lpfc_io_buf_list_put;
709	spinlock_t abts_io_buf_list_lock; /* list of aborted IOs */
710	struct list_head lpfc_abts_io_buf_list;
711	uint32_t total_io_bufs;
712	uint32_t get_io_bufs;
713	uint32_t put_io_bufs;
714	uint32_t empty_io_bufs;
715	uint32_t abts_scsi_io_bufs;
716	uint32_t abts_nvme_io_bufs;
717
718	/* Multi-XRI pool per HWQ */
719	struct lpfc_multixri_pool *p_multixri_pool;
720
721	/* FC-4 Stats counters */
722	struct lpfc_fc4_ctrl_stat nvme_cstat;
723	struct lpfc_fc4_ctrl_stat scsi_cstat;
724#ifdef LPFC_HDWQ_LOCK_STAT
725	struct lpfc_lock_stat lock_conflict;
726#endif
727
728	/* Per HDWQ pool resources */
729	struct list_head sgl_list;
730	struct list_head cmd_rsp_buf_list;
731
732	/* Lock for syncing Per HDWQ pool resources */
733	spinlock_t hdwq_lock;
734};
735
736#ifdef LPFC_HDWQ_LOCK_STAT
737/* compile time trylock stats */
738#define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
739	{ \
740	int only_once = 1; \
741	while (spin_trylock_irqsave(lock, flag) == 0) { \
742		if (only_once) { \
743			only_once = 0; \
744			qp->lock_conflict.lstat++; \
745		} \
746	} \
747	}
748#define lpfc_qp_spin_lock(lock, qp, lstat) \
749	{ \
750	int only_once = 1; \
751	while (spin_trylock(lock) == 0) { \
752		if (only_once) { \
753			only_once = 0; \
754			qp->lock_conflict.lstat++; \
755		} \
756	} \
757	}
758#else
759#define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
760	spin_lock_irqsave(lock, flag)
761#define lpfc_qp_spin_lock(lock, qp, lstat) spin_lock(lock)
762#endif
763
764#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
765struct lpfc_hdwq_stat {
766	u32 hdwq_no;
767	u32 rcv_io;
768	u32 xmt_io;
769	u32 cmpl_io;
770};
771#endif
772
773struct lpfc_sli4_hba {
774	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
775					   * config space registers
776					   */
777	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
778					   * control registers
779					   */
780	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
781					   * doorbell registers
782					   */
783	void __iomem *dpp_regs_memmap_p;  /* Kernel memory mapped address for
784					   * dpp registers
785					   */
786	union {
787		struct {
788			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
789			void __iomem *UERRLOregaddr;
790			void __iomem *UERRHIregaddr;
791			void __iomem *UEMASKLOregaddr;
792			void __iomem *UEMASKHIregaddr;
793		} if_type0;
794		struct {
795			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
796			void __iomem *STATUSregaddr;
797			void __iomem *CTRLregaddr;
798			void __iomem *ERR1regaddr;
799#define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
800#define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
801			void __iomem *ERR2regaddr;
802#define SLIPORT_ERR2_REG_FW_RESTART		0x0
803#define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
804#define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
805#define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
806#define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
807#define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
808#define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
809			void __iomem *EQDregaddr;
810		} if_type2;
811	} u;
812
813	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
814	void __iomem *PSMPHRregaddr;
815
816	/* Well-known SLI INTF register memory map. */
817	void __iomem *SLIINTFregaddr;
818
819	/* IF type 0, BAR 1 function CSR register memory map */
820	void __iomem *ISRregaddr;	/* HST_ISR register */
821	void __iomem *IMRregaddr;	/* HST_IMR register */
822	void __iomem *ISCRregaddr;	/* HST_ISCR register */
823	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
824	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
825	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
826	void __iomem *CQDBregaddr;	/* CQ_DOORBELL register */
827	void __iomem *EQDBregaddr;	/* EQ_DOORBELL register */
828	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
829	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
830
831	uint32_t ue_mask_lo;
832	uint32_t ue_mask_hi;
833	uint32_t ue_to_sr;
834	uint32_t ue_to_rp;
835	struct lpfc_register sli_intf;
836	struct lpfc_pc_sli4_params pc_sli4_params;
837	struct lpfc_bbscn_params bbscn_params;
838	struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
839
840	void (*sli4_eq_clr_intr)(struct lpfc_queue *q);
841	void (*sli4_write_eq_db)(struct lpfc_hba *phba, struct lpfc_queue *eq,
842				uint32_t count, bool arm);
843	void (*sli4_write_cq_db)(struct lpfc_hba *phba, struct lpfc_queue *cq,
844				uint32_t count, bool arm);
845
846	/* Pointers to the constructed SLI4 queues */
847	struct lpfc_sli4_hdw_queue *hdwq;
848	struct list_head lpfc_wq_list;
849
850	/* Pointers to the constructed SLI4 queues for NVMET */
851	struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
852	struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
853	struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
854
855	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
856	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
857	struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
858	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
859	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
860	struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
861	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
862	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
863
864	struct lpfc_name wwnn;
865	struct lpfc_name wwpn;
866
867	uint32_t fw_func_mode;	/* FW function protocol mode */
868	uint32_t ulp0_mode;	/* ULP0 protocol mode */
869	uint32_t ulp1_mode;	/* ULP1 protocol mode */
870
871	/* Optimized Access Storage specific queues/structures */
872	uint64_t oas_next_lun;
873	uint8_t oas_next_tgt_wwpn[8];
874	uint8_t oas_next_vpt_wwpn[8];
875
876	/* Setup information for various queue parameters */
877	int eq_esize;
878	int eq_ecount;
879	int cq_esize;
880	int cq_ecount;
881	int wq_esize;
882	int wq_ecount;
883	int mq_esize;
884	int mq_ecount;
885	int rq_esize;
886	int rq_ecount;
887#define LPFC_SP_EQ_MAX_INTR_SEC         10000
888#define LPFC_FP_EQ_MAX_INTR_SEC         10000
889
890	uint32_t intr_enable;
891	struct lpfc_bmbx bmbx;
892	struct lpfc_max_cfg_param max_cfg_param;
893	uint16_t extents_in_use; /* must allocate resource extents. */
894	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
895	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
896	uint16_t next_rpi;
897	uint16_t io_xri_max;
898	uint16_t io_xri_cnt;
899	uint16_t io_xri_start;
900	uint16_t els_xri_cnt;
901	uint16_t nvmet_xri_cnt;
902	uint16_t nvmet_io_wait_cnt;
903	uint16_t nvmet_io_wait_total;
904	uint16_t cq_max;
905	struct lpfc_queue **cq_lookup;
906	struct list_head lpfc_els_sgl_list;
907	struct list_head lpfc_abts_els_sgl_list;
908	spinlock_t abts_io_buf_list_lock; /* list of aborted SCSI IOs */
909	struct list_head lpfc_abts_io_buf_list;
910	struct list_head lpfc_nvmet_sgl_list;
911	spinlock_t abts_nvmet_buf_list_lock; /* list of aborted NVMET IOs */
912	struct list_head lpfc_abts_nvmet_ctx_list;
913	spinlock_t t_active_list_lock; /* list of active NVMET IOs */
914	struct list_head t_active_ctx_list;
915	struct list_head lpfc_nvmet_io_wait_list;
916	struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
917	struct lpfc_sglq **lpfc_sglq_active_list;
918	struct list_head lpfc_rpi_hdr_list;
919	unsigned long *rpi_bmask;
920	uint16_t *rpi_ids;
921	uint16_t rpi_count;
922	struct list_head lpfc_rpi_blk_list;
923	unsigned long *xri_bmask;
924	uint16_t *xri_ids;
925	struct list_head lpfc_xri_blk_list;
926	unsigned long *vfi_bmask;
927	uint16_t *vfi_ids;
928	uint16_t vfi_count;
929	struct list_head lpfc_vfi_blk_list;
930	struct lpfc_sli4_flags sli4_flags;
931	struct list_head sp_queue_event;
932	struct list_head sp_cqe_event_pool;
933	struct list_head sp_asynce_work_queue;
934	spinlock_t asynce_list_lock; /* protect sp_asynce_work_queue list */
935	struct list_head sp_els_xri_aborted_work_queue;
936	spinlock_t els_xri_abrt_list_lock; /* protect els_xri_aborted list */
937	struct list_head sp_unsol_work_queue;
938	struct lpfc_sli4_link link_state;
939	struct lpfc_sli4_lnk_info lnk_info;
940	uint32_t pport_name_sta;
941#define LPFC_SLI4_PPNAME_NON	0
942#define LPFC_SLI4_PPNAME_GET	1
943	struct lpfc_iov iov;
944	spinlock_t sgl_list_lock; /* list of aborted els IOs */
945	spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
946	uint32_t physical_port;
947
948	/* CPU to vector mapping information */
949	struct lpfc_vector_map_info *cpu_map;
950	uint16_t num_possible_cpu;
951	uint16_t num_present_cpu;
952	struct cpumask irq_aff_mask;
953	uint16_t curr_disp_cpu;
954	struct lpfc_eq_intr_info __percpu *eq_info;
955#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
956	struct lpfc_hdwq_stat __percpu *c_stat;
957#endif
958	struct lpfc_idle_stat *idle_stat;
959	uint32_t conf_trunk;
960#define lpfc_conf_trunk_port0_WORD	conf_trunk
961#define lpfc_conf_trunk_port0_SHIFT	0
962#define lpfc_conf_trunk_port0_MASK	0x1
963#define lpfc_conf_trunk_port1_WORD	conf_trunk
964#define lpfc_conf_trunk_port1_SHIFT	1
965#define lpfc_conf_trunk_port1_MASK	0x1
966#define lpfc_conf_trunk_port2_WORD	conf_trunk
967#define lpfc_conf_trunk_port2_SHIFT	2
968#define lpfc_conf_trunk_port2_MASK	0x1
969#define lpfc_conf_trunk_port3_WORD	conf_trunk
970#define lpfc_conf_trunk_port3_SHIFT	3
971#define lpfc_conf_trunk_port3_MASK	0x1
972#define lpfc_conf_trunk_port0_nd_WORD	conf_trunk
973#define lpfc_conf_trunk_port0_nd_SHIFT	4
974#define lpfc_conf_trunk_port0_nd_MASK	0x1
975#define lpfc_conf_trunk_port1_nd_WORD	conf_trunk
976#define lpfc_conf_trunk_port1_nd_SHIFT	5
977#define lpfc_conf_trunk_port1_nd_MASK	0x1
978#define lpfc_conf_trunk_port2_nd_WORD	conf_trunk
979#define lpfc_conf_trunk_port2_nd_SHIFT	6
980#define lpfc_conf_trunk_port2_nd_MASK	0x1
981#define lpfc_conf_trunk_port3_nd_WORD	conf_trunk
982#define lpfc_conf_trunk_port3_nd_SHIFT	7
983#define lpfc_conf_trunk_port3_nd_MASK	0x1
984	uint8_t flash_id;
985	uint8_t asic_rev;
986	uint16_t fawwpn_flag;	/* FA-WWPN support state */
987#define LPFC_FAWWPN_CONFIG	0x1 /* FA-PWWN is configured */
988#define LPFC_FAWWPN_FABRIC	0x2 /* FA-PWWN success with Fabric */
989};
990
991enum lpfc_sge_type {
992	GEN_BUFF_TYPE,
993	SCSI_BUFF_TYPE,
994	NVMET_BUFF_TYPE
995};
996
997enum lpfc_sgl_state {
998	SGL_FREED,
999	SGL_ALLOCATED,
1000	SGL_XRI_ABORTED
1001};
1002
1003struct lpfc_sglq {
1004	/* lpfc_sglqs are used in double linked lists */
1005	struct list_head list;
1006	struct list_head clist;
1007	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
1008	enum lpfc_sgl_state state;
1009	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
1010	uint16_t iotag;         /* pre-assigned IO tag */
1011	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
1012	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
1013	struct sli4_sge *sgl;	/* pre-assigned SGL */
1014	void *virt;		/* virtual address. */
1015	dma_addr_t phys;	/* physical address */
1016};
1017
1018struct lpfc_rpi_hdr {
1019	struct list_head list;
1020	uint32_t len;
1021	struct lpfc_dmabuf *dmabuf;
1022	uint32_t page_count;
1023	uint32_t start_rpi;
1024	uint16_t next_rpi;
1025};
1026
1027struct lpfc_rsrc_blks {
1028	struct list_head list;
1029	uint16_t rsrc_start;
1030	uint16_t rsrc_size;
1031	uint16_t rsrc_used;
1032};
1033
1034struct lpfc_rdp_context {
1035	struct lpfc_nodelist *ndlp;
1036	uint16_t ox_id;
1037	uint16_t rx_id;
1038	READ_LNK_VAR link_stat;
1039	uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
1040	uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
1041	void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
1042};
1043
1044struct lpfc_lcb_context {
1045	uint8_t  sub_command;
1046	uint8_t  type;
1047	uint8_t  capability;
1048	uint8_t  frequency;
1049	uint16_t  duration;
1050	uint16_t ox_id;
1051	uint16_t rx_id;
1052	struct lpfc_nodelist *ndlp;
1053};
1054
1055
1056/*
1057 * SLI4 specific function prototypes
1058 */
1059int lpfc_pci_function_reset(struct lpfc_hba *);
1060int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
1061int lpfc_sli4_hba_setup(struct lpfc_hba *);
1062int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
1063		     uint8_t, uint32_t, bool);
1064void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
1065void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
1066void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
1067			   struct lpfc_mbx_sge *);
1068int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
1069			       uint16_t);
1070
1071void lpfc_sli4_hba_reset(struct lpfc_hba *);
1072struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *phba,
1073					 uint32_t page_size,
1074					 uint32_t entry_size,
1075					 uint32_t entry_count, int cpu);
1076void lpfc_sli4_queue_free(struct lpfc_queue *);
1077int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
1078void lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
1079			     uint32_t numq, uint32_t usdelay);
1080int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
1081			struct lpfc_queue *, uint32_t, uint32_t);
1082int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
1083			struct lpfc_sli4_hdw_queue *hdwq, uint32_t type,
1084			uint32_t subtype);
1085int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
1086		       struct lpfc_queue *, uint32_t);
1087int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
1088			struct lpfc_queue *, uint32_t);
1089int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
1090			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
1091int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
1092			struct lpfc_queue **drqp, struct lpfc_queue **cqp,
1093			uint32_t subtype);
1094int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1095int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1096int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1097int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1098int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
1099			 struct lpfc_queue *);
1100int lpfc_sli4_queue_setup(struct lpfc_hba *);
1101void lpfc_sli4_queue_unset(struct lpfc_hba *);
1102int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
1103int lpfc_repost_io_sgl_list(struct lpfc_hba *phba);
1104uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
1105void lpfc_sli4_free_xri(struct lpfc_hba *, int);
1106int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
1107struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1108struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1109void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1110void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1111int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
1112int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
1113int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
1114struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
1115void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
1116int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
1117void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
1118void lpfc_sli4_remove_rpis(struct lpfc_hba *);
1119void lpfc_sli4_async_event_proc(struct lpfc_hba *);
1120void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
1121int lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp,
1122			 void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *),
1123			 struct lpfc_iocbq *iocbq);
1124void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba);
1125void lpfc_sli4_nvme_pci_offline_aborted(struct lpfc_hba *phba,
1126					struct lpfc_io_buf *lpfc_ncmd);
1127void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
1128				struct sli4_wcqe_xri_aborted *axri,
1129				struct lpfc_io_buf *lpfc_ncmd);
1130void lpfc_sli4_io_xri_aborted(struct lpfc_hba *phba,
1131			      struct sli4_wcqe_xri_aborted *axri, int idx);
1132void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
1133				 struct sli4_wcqe_xri_aborted *axri);
1134void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
1135			       struct sli4_wcqe_xri_aborted *);
1136void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
1137void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
1138int lpfc_sli4_brdreset(struct lpfc_hba *);
1139int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
1140void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
1141int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
1142int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
1143int lpfc_sli4_init_vpi(struct lpfc_vport *);
1144void lpfc_sli4_eq_clr_intr(struct lpfc_queue *);
1145void lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1146			   uint32_t count, bool arm);
1147void lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1148			   uint32_t count, bool arm);
1149void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q);
1150void lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1151			       uint32_t count, bool arm);
1152void lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1153			       uint32_t count, bool arm);
1154void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
1155int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
1156int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
1157int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
1158void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1159void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1160void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1161int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
1162int lpfc_sli4_post_status_check(struct lpfc_hba *);
1163uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1164uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1165void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba);
1166struct sli4_hybrid_sgl *lpfc_get_sgl_per_hdwq(struct lpfc_hba *phba,
1167					      struct lpfc_io_buf *buf);
1168struct fcp_cmd_rsp_buf *lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1169						      struct lpfc_io_buf *buf);
1170int lpfc_put_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *buf);
1171int lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1172				  struct lpfc_io_buf *buf);
1173void lpfc_free_sgl_per_hdwq(struct lpfc_hba *phba,
1174			    struct lpfc_sli4_hdw_queue *hdwq);
1175void lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1176				    struct lpfc_sli4_hdw_queue *hdwq);
1177static inline void *lpfc_sli4_qe(struct lpfc_queue *q, uint16_t idx)
1178{
1179	return q->q_pgs[idx / q->entry_cnt_per_pg] +
1180		(q->entry_size * (idx % q->entry_cnt_per_pg));
1181}
1182
1183/**
1184 * lpfc_sli4_unrecoverable_port - Check ERR and RN bits in portstat_reg
1185 * @portstat_reg: portstat_reg pointer containing portstat_reg contents
1186 *
1187 * Description:
1188 * Use only for SLI4 interface type-2 or later.  If ERR is set && RN is 0, then
1189 * port is deemed unrecoverable.
1190 *
1191 * Returns:
1192 * true		- ERR && !RN
1193 * false	- otherwise
1194 */
1195static inline bool
1196lpfc_sli4_unrecoverable_port(struct lpfc_register *portstat_reg)
1197{
1198	return bf_get(lpfc_sliport_status_err, portstat_reg) &&
1199	       !bf_get(lpfc_sliport_status_rn, portstat_reg);
1200}
1201