1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2023 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 
106 enum 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 */
119 enum 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 */
130 struct 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 
141 enum lpfc_poll_mode {
142 	LPFC_QUEUE_WORK,
143 	LPFC_THREADED_IRQ,
144 };
145 
146 struct lpfc_idle_stat {
147 	u64 prev_idle;
148 	u64 prev_wall;
149 };
150 
151 struct 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 
285 struct 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 
297 struct 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 
310 struct 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 
318 struct 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 
329 struct 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 
364 struct 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 
380 struct 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 
387 struct 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 
394 struct 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 
411 struct 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  */
424 struct 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  */
465 struct 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 
486 struct lpfc_hba;
487 /* SLI4 HBA multi-fcp queue handler struct */
488 #define LPFC_SLI4_HANDLER_NAME_SZ	16
489 struct 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*/
503 struct 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 */
517 struct 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 
581 struct lpfc_iov {
582 	uint32_t pf_number;
583 	uint32_t vf_number;
584 };
585 
586 struct 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 */
602 struct 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 
619 struct lpfc_pbl_pool {
620 	struct list_head list;
621 	u32 count;
622 	spinlock_t lock;	/* lock for pbl_pool*/
623 };
624 
625 struct 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 
634 struct 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 
669 struct 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
677 struct 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 
691 struct lpfc_eq_intr_info {
692 	struct list_head list;
693 	uint32_t icnt;
694 };
695 
696 /* SLI4 HBA data structure entries */
697 struct 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
765 struct lpfc_hdwq_stat {
766 	u32 hdwq_no;
767 	u32 rcv_io;
768 	u32 xmt_io;
769 	u32 cmpl_io;
770 };
771 #endif
772 
773 struct 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 
991 enum lpfc_sge_type {
992 	GEN_BUFF_TYPE,
993 	SCSI_BUFF_TYPE,
994 	NVMET_BUFF_TYPE
995 };
996 
997 enum lpfc_sgl_state {
998 	SGL_FREED,
999 	SGL_ALLOCATED,
1000 	SGL_XRI_ABORTED
1001 };
1002 
1003 struct 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 
1018 struct 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 
1027 struct 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 
1034 struct 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 
1044 struct 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  */
1059 int lpfc_pci_function_reset(struct lpfc_hba *);
1060 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
1061 int lpfc_sli4_hba_setup(struct lpfc_hba *);
1062 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
1063 		     uint8_t, uint32_t, bool);
1064 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
1065 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
1066 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
1067 			   struct lpfc_mbx_sge *);
1068 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
1069 			       uint16_t);
1070 
1071 void lpfc_sli4_hba_reset(struct lpfc_hba *);
1072 struct 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);
1076 void lpfc_sli4_queue_free(struct lpfc_queue *);
1077 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
1078 void lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
1079 			     uint32_t numq, uint32_t usdelay);
1080 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
1081 			struct lpfc_queue *, uint32_t, uint32_t);
1082 int 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);
1085 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
1086 		       struct lpfc_queue *, uint32_t);
1087 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
1088 			struct lpfc_queue *, uint32_t);
1089 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
1090 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
1091 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
1092 			struct lpfc_queue **drqp, struct lpfc_queue **cqp,
1093 			uint32_t subtype);
1094 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1095 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1096 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1097 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1098 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
1099 			 struct lpfc_queue *);
1100 int lpfc_sli4_queue_setup(struct lpfc_hba *);
1101 void lpfc_sli4_queue_unset(struct lpfc_hba *);
1102 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
1103 int lpfc_repost_io_sgl_list(struct lpfc_hba *phba);
1104 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
1105 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
1106 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
1107 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1108 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1109 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1110 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1111 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
1112 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
1113 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
1114 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
1115 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
1116 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
1117 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
1118 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
1119 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
1120 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
1121 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
1122 			void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
1123 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba);
1124 void lpfc_sli4_nvme_pci_offline_aborted(struct lpfc_hba *phba,
1125 					struct lpfc_io_buf *lpfc_ncmd);
1126 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
1127 				struct sli4_wcqe_xri_aborted *axri,
1128 				struct lpfc_io_buf *lpfc_ncmd);
1129 void lpfc_sli4_io_xri_aborted(struct lpfc_hba *phba,
1130 			      struct sli4_wcqe_xri_aborted *axri, int idx);
1131 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
1132 				 struct sli4_wcqe_xri_aborted *axri);
1133 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
1134 			       struct sli4_wcqe_xri_aborted *);
1135 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
1136 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
1137 int lpfc_sli4_brdreset(struct lpfc_hba *);
1138 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
1139 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
1140 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
1141 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
1142 int lpfc_sli4_init_vpi(struct lpfc_vport *);
1143 void lpfc_sli4_eq_clr_intr(struct lpfc_queue *);
1144 void lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1145 			   uint32_t count, bool arm);
1146 void lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1147 			   uint32_t count, bool arm);
1148 void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q);
1149 void lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1150 			       uint32_t count, bool arm);
1151 void lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1152 			       uint32_t count, bool arm);
1153 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
1154 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
1155 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
1156 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
1157 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1158 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1159 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1160 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
1161 int lpfc_sli4_post_status_check(struct lpfc_hba *);
1162 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1163 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1164 void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba);
1165 struct sli4_hybrid_sgl *lpfc_get_sgl_per_hdwq(struct lpfc_hba *phba,
1166 					      struct lpfc_io_buf *buf);
1167 struct fcp_cmd_rsp_buf *lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1168 						      struct lpfc_io_buf *buf);
1169 int lpfc_put_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *buf);
1170 int lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1171 				  struct lpfc_io_buf *buf);
1172 void lpfc_free_sgl_per_hdwq(struct lpfc_hba *phba,
1173 			    struct lpfc_sli4_hdw_queue *hdwq);
1174 void lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1175 				    struct lpfc_sli4_hdw_queue *hdwq);
lpfc_sli4_qe(struct lpfc_queue * q,uint16_t idx)1176 static inline void *lpfc_sli4_qe(struct lpfc_queue *q, uint16_t idx)
1177 {
1178 	return q->q_pgs[idx / q->entry_cnt_per_pg] +
1179 		(q->entry_size * (idx % q->entry_cnt_per_pg));
1180 }
1181 
1182 /**
1183  * lpfc_sli4_unrecoverable_port - Check ERR and RN bits in portstat_reg
1184  * @portstat_reg: portstat_reg pointer containing portstat_reg contents
1185  *
1186  * Description:
1187  * Use only for SLI4 interface type-2 or later.  If ERR is set && RN is 0, then
1188  * port is deemed unrecoverable.
1189  *
1190  * Returns:
1191  * true		- ERR && !RN
1192  * false	- otherwise
1193  */
1194 static inline bool
lpfc_sli4_unrecoverable_port(struct lpfc_register * portstat_reg)1195 lpfc_sli4_unrecoverable_port(struct lpfc_register *portstat_reg)
1196 {
1197 	return bf_get(lpfc_sliport_status_err, portstat_reg) &&
1198 	       !bf_get(lpfc_sliport_status_rn, portstat_reg);
1199 }
1200