xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_sli4.h (revision a20eefae)
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.                        *
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 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
24 #define CONFIG_SCSI_LPFC_DEBUG_FS
25 #endif
26 
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
32 
33 #define LPFC_UNREG_FCF                          1
34 #define LPFC_SKIP_UNREG_FCF                     0
35 
36 /* Amount of time in seconds for waiting FCF rediscovery to complete */
37 #define LPFC_FCF_REDISCOVER_WAIT_TMO		2000 /* msec */
38 
39 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
40 #define LPFC_NEMBED_MBOX_SGL_CNT		254
41 
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
46 
47 /* Common buffer size to accomidate SCSI and NVME IO buffers */
48 #define LPFC_COMMON_IO_BUF_SZ	768
49 
50 /*
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.
54  */
55 #define LPFC_FCOE_FCF_DEF_INDEX	0
56 #define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
57 #define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF
58 
59 #define LPFC_FCOE_NULL_VID	0xFFF
60 #define LPFC_FCOE_IGNORE_VID	0xFFFF
61 
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
72 
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 | \
76 	 (fc_hdr)->fh_s_id[2])
77 
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 | \
81 	 (fc_hdr)->fh_d_id[2])
82 
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])
87 
88 #define sli4_type_from_fc_hdr(fc_hdr)  \
89 	((fc_hdr)->fh_type)
90 
91 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
92 
93 #define INT_FW_UPGRADE	0
94 #define RUN_FW_UPGRADE	1
95 
96 enum lpfc_sli4_queue_type {
97 	LPFC_EQ,
98 	LPFC_GCQ,
99 	LPFC_MCQ,
100 	LPFC_WCQ,
101 	LPFC_RCQ,
102 	LPFC_MQ,
103 	LPFC_WQ,
104 	LPFC_HRQ,
105 	LPFC_DRQ
106 };
107 
108 /* The queue sub-type defines the functional purpose of the queue */
109 enum lpfc_sli4_queue_subtype {
110 	LPFC_NONE,
111 	LPFC_MBOX,
112 	LPFC_FCP,
113 	LPFC_ELS,
114 	LPFC_NVME,
115 	LPFC_NVMET,
116 	LPFC_NVME_LS,
117 	LPFC_USOL
118 };
119 
120 /* RQ buffer list */
121 struct lpfc_rqb {
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 *);
130 };
131 
132 struct lpfc_queue {
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.
156 				   * Not used on an MQ.
157 				   */
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.
169 				  */
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 */
182 	uint32_t q_mode;
183 
184 	struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
185 	struct lpfc_rqb *rqbp;	/* ptr to RQ buffers */
186 
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
195 	uint8_t db_format;
196 #define LPFC_DB_RING_FORMAT	0x01
197 #define LPFC_DB_LIST_FORMAT	0x02
198 	uint8_t q_flag;
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;
203 	uint16_t dpp_enable;
204 	uint16_t dpp_id;
205 	void __iomem *dpp_regaddr;
206 
207 	/* For q stats */
208 	uint32_t q_cnt_1;
209 	uint32_t q_cnt_2;
210 	uint32_t q_cnt_3;
211 	uint64_t q_cnt_4;
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
217 
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
224 
225 /* defines for WQ stats */
226 #define	WQ_overflow		q_cnt_1
227 #define	WQ_posted		q_cnt_4
228 
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
234 
235 	struct work_struct	irqwork;
236 	struct work_struct	spwork;
237 	struct delayed_work	sched_irqwork;
238 	struct delayed_work	sched_spwork;
239 
240 	uint64_t isr_timestamp;
241 	uint16_t hdwq;
242 	uint16_t last_cpu;	/* most recent cpu */
243 	uint8_t	qe_valid;
244 	struct lpfc_queue *assoc_qp;
245 	void **q_pgs;	/* array to index entries per page */
246 };
247 
248 struct lpfc_sli4_link {
249 	uint32_t speed;
250 	uint8_t duplex;
251 	uint8_t status;
252 	uint8_t type;
253 	uint8_t number;
254 	uint8_t fault;
255 	uint32_t logical_speed;
256 	uint16_t topology;
257 };
258 
259 struct lpfc_fcf_rec {
260 	uint8_t  fabric_name[8];
261 	uint8_t  switch_name[8];
262 	uint8_t  mac_addr[6];
263 	uint16_t fcf_indx;
264 	uint32_t priority;
265 	uint16_t vlan_id;
266 	uint32_t addr_mode;
267 	uint32_t flag;
268 #define BOOT_ENABLE	0x01
269 #define RECORD_VALID	0x02
270 };
271 
272 struct lpfc_fcf_pri_rec {
273 	uint16_t fcf_index;
274 #define LPFC_FCF_ON_PRI_LIST 0x0001
275 #define LPFC_FCF_FLOGI_FAILED 0x0002
276 	uint16_t flag;
277 	uint32_t priority;
278 };
279 
280 struct lpfc_fcf_pri {
281 	struct list_head list;
282 	struct lpfc_fcf_pri_rec fcf_rec;
283 };
284 
285 /*
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.
288  */
289 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
290 
291 struct lpfc_fcf {
292 	uint16_t fcfi;
293 	uint32_t fcf_flag;
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;
307 	uint32_t addr_mode;
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 */
316 };
317 
318 
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
325 
326 struct lpfc_fip_param_hdr {
327 	uint8_t type;
328 #define FCOE_PARAM_TYPE		0xA0
329 	uint8_t length;
330 #define FCOE_PARAM_LENGTH	2
331 	uint8_t parm_version;
332 #define FIPP_VERSION		0x01
333 	uint8_t parm_flags;
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
340 };
341 
342 struct lpfc_fcoe_params {
343 	uint8_t fc_map[3];
344 	uint8_t reserved1;
345 	uint16_t vlan_tag;
346 	uint8_t reserved[2];
347 };
348 
349 struct lpfc_fcf_conn_hdr {
350 	uint8_t type;
351 #define FCOE_CONN_TBL_TYPE		0xA1
352 	uint8_t length;   /* words */
353 	uint8_t reserved[2];
354 };
355 
356 struct lpfc_fcf_conn_rec {
357 	uint16_t flags;
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 */
367 
368 	uint16_t vlan_tag;
369 	uint8_t fabric_name[8];
370 	uint8_t switch_name[8];
371 };
372 
373 struct lpfc_fcf_conn_entry {
374 	struct list_head list;
375 	struct lpfc_fcf_conn_rec conn_rec;
376 };
377 
378 /*
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.
382  *
383  * The macro definitions for the bmbx data structure are defined
384  * in lpfc_hw4.h with the register definition.
385  */
386 struct lpfc_bmbx {
387 	struct lpfc_dmabuf *dmabuf;
388 	struct dma_address dma_address;
389 	void *avirt;
390 	dma_addr_t aphys;
391 	uint32_t bmbx_size;
392 };
393 
394 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
395 
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
403 
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
411 
412 #define LPFC_QUEUE_NOARM	false
413 #define LPFC_QUEUE_REARM	true
414 
415 
416 /*
417  * SLI4 CT field defines
418  */
419 #define SLI4_CT_RPI 0
420 #define SLI4_CT_VPI 1
421 #define SLI4_CT_VFI 2
422 #define SLI4_CT_FCFI 3
423 
424 /*
425  * SLI4 specific data structures
426  */
427 struct lpfc_max_cfg_param {
428 	uint16_t max_xri;
429 	uint16_t xri_base;
430 	uint16_t xri_used;
431 	uint16_t max_rpi;
432 	uint16_t rpi_base;
433 	uint16_t rpi_used;
434 	uint16_t max_vpi;
435 	uint16_t vpi_base;
436 	uint16_t vpi_used;
437 	uint16_t max_vfi;
438 	uint16_t vfi_base;
439 	uint16_t vfi_used;
440 	uint16_t max_fcfi;
441 	uint16_t fcfi_used;
442 	uint16_t max_eq;
443 	uint16_t max_rq;
444 	uint16_t max_cq;
445 	uint16_t max_wq;
446 };
447 
448 struct lpfc_hba;
449 /* SLI4 HBA multi-fcp queue handler struct */
450 #define LPFC_SLI4_HANDLER_NAME_SZ	16
451 struct lpfc_hba_eq_hdl {
452 	uint32_t idx;
453 	char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
454 	struct lpfc_hba *phba;
455 	struct lpfc_queue *eq;
456 };
457 
458 /*BB Credit recovery value*/
459 struct lpfc_bbscn_params {
460 	uint32_t word0;
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
470 };
471 
472 /* Port Capabilities for SLI4 Parameters */
473 struct lpfc_pc_sli4_params {
474 	uint32_t supported;
475 	uint32_t if_type;
476 	uint32_t sli_rev;
477 	uint32_t sli_family;
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;
487 	uint32_t if_page_sz;
488 	uint32_t rq_db_window;
489 	uint32_t loopbk_scope;
490 	uint32_t oas_supported;
491 	uint32_t eq_pages_max;
492 	uint32_t eqe_size;
493 	uint32_t cq_pages_max;
494 	uint32_t cqe_size;
495 	uint32_t mq_pages_max;
496 	uint32_t mqe_size;
497 	uint32_t mq_elem_cnt;
498 	uint32_t wq_pages_max;
499 	uint32_t wqe_size;
500 	uint32_t rq_pages_max;
501 	uint32_t rqe_size;
502 	uint32_t hdr_pages_max;
503 	uint32_t hdr_size;
504 	uint32_t hdr_pp_align;
505 	uint32_t sgl_pages_max;
506 	uint32_t sgl_pp_align;
507 	uint8_t cqv;
508 	uint8_t mqv;
509 	uint8_t wqv;
510 	uint8_t rqv;
511 	uint8_t eqav;
512 	uint8_t cqav;
513 	uint8_t wqsize;
514 	uint8_t bv1s;
515 #define LPFC_WQ_SZ64_SUPPORT	1
516 #define LPFC_WQ_SZ128_SUPPORT	2
517 	uint8_t wqpcnt;
518 	uint8_t nvme;
519 };
520 
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
525 
526 struct lpfc_iov {
527 	uint32_t pf_number;
528 	uint32_t vf_number;
529 };
530 
531 struct lpfc_sli4_lnk_info {
532 	uint8_t lnk_dv;
533 #define LPFC_LNK_DAT_INVAL	0
534 #define LPFC_LNK_DAT_VAL	1
535 	uint8_t lnk_tp;
536 #define LPFC_LNK_GE		0x0 /* FCoE */
537 #define LPFC_LNK_FC		0x1 /* FC */
538 #define LPFC_LNK_FC_TRUNKED	0x2 /* FC_Trunked */
539 	uint8_t lnk_no;
540 	uint8_t optic_state;
541 };
542 
543 #define LPFC_SLI4_HANDLER_CNT		(LPFC_HBA_IO_CHAN_MAX+ \
544 					 LPFC_FOF_IO_CHAN_NUM)
545 
546 /* Used for IRQ vector to CPU mapping */
547 struct lpfc_vector_map_info {
548 	uint16_t	phys_id;
549 	uint16_t	core_id;
550 	uint16_t	irq;
551 	uint16_t	eq;
552 	uint16_t	hdwq;
553 	uint16_t	flag;
554 #define LPFC_CPU_MAP_HYPER	0x1
555 #define LPFC_CPU_MAP_UNASSIGN	0x2
556 #define LPFC_CPU_FIRST_IRQ	0x4
557 };
558 #define LPFC_VECTOR_MAP_EMPTY	0xffff
559 
560 /* Multi-XRI pool */
561 #define XRI_BATCH               8
562 
563 struct lpfc_pbl_pool {
564 	struct list_head list;
565 	u32 count;
566 	spinlock_t lock;	/* lock for pbl_pool*/
567 };
568 
569 struct lpfc_pvt_pool {
570 	u32 low_watermark;
571 	u32 high_watermark;
572 
573 	struct list_head list;
574 	u32 count;
575 	spinlock_t lock;	/* lock for pvt_pool */
576 };
577 
578 struct lpfc_multixri_pool {
579 	u32 xri_limit;
580 
581 	/* Starting point when searching a pbl_pool with round-robin method */
582 	u32 rrb_next_hwqid;
583 
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
587 	 * busy.
588 	 */
589 	u32 prev_io_req_count;
590 	u32 io_req_count;
591 
592 	/* statistics */
593 	u32 pbl_empty_count;
594 #ifdef LPFC_MXP_STAT
595 	u32 above_limit_count;
596 	u32 below_limit_count;
597 	u32 local_pbl_hit_count;
598 	u32 other_pbl_hit_count;
599 	u32 stat_max_hwm;
600 
601 #define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */
602 	u32 stat_pbl_count;
603 	u32 stat_pvt_count;
604 	u32 stat_busy_count;
605 	u32 stat_snapshot_taken;
606 #endif
607 
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 */
611 };
612 
613 struct lpfc_fc4_ctrl_stat {
614 	u32 input_requests;
615 	u32 output_requests;
616 	u32 control_requests;
617 	u32 io_cmpls;
618 };
619 
620 #ifdef LPFC_HDWQ_LOCK_STAT
621 struct lpfc_lock_stat {
622 	uint32_t alloc_xri_get;
623 	uint32_t alloc_xri_put;
624 	uint32_t free_xri;
625 	uint32_t wq_access;
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;
632 };
633 #endif
634 
635 struct lpfc_eq_intr_info {
636 	struct list_head list;
637 	uint32_t icnt;
638 };
639 
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 */
648 	uint16_t fcp_cq_map;
649 	uint16_t nvme_cq_map;
650 
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;
666 
667 	/* Multi-XRI pool per HWQ */
668 	struct lpfc_multixri_pool *p_multixri_pool;
669 
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;
675 #endif
676 
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];
682 #endif
683 };
684 
685 #ifdef LPFC_HDWQ_LOCK_STAT
686 /* compile time trylock stats */
687 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
688 	{ \
689 	int only_once = 1; \
690 	while (spin_trylock_irqsave(lock, flag) == 0) { \
691 		if (only_once) { \
692 			only_once = 0; \
693 			qp->lock_conflict.lstat++; \
694 		} \
695 	} \
696 	}
697 #define lpfc_qp_spin_lock(lock, qp, lstat) \
698 	{ \
699 	int only_once = 1; \
700 	while (spin_trylock(lock) == 0) { \
701 		if (only_once) { \
702 			only_once = 0; \
703 			qp->lock_conflict.lstat++; \
704 		} \
705 	} \
706 	}
707 #else
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)
711 #endif
712 
713 struct lpfc_sli4_hba {
714 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
715 					   * config space registers
716 					   */
717 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
718 					   * control registers
719 					   */
720 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
721 					   * doorbell registers
722 					   */
723 	void __iomem *dpp_regs_memmap_p;  /* Kernel memory mapped address for
724 					   * dpp registers
725 					   */
726 	union {
727 		struct {
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;
733 		} if_type0;
734 		struct {
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;
750 		} if_type2;
751 	} u;
752 
753 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
754 	void __iomem *PSMPHRregaddr;
755 
756 	/* Well-known SLI INTF register memory map. */
757 	void __iomem *SLIINTFregaddr;
758 
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 */
770 
771 	uint32_t ue_mask_lo;
772 	uint32_t ue_mask_hi;
773 	uint32_t ue_to_sr;
774 	uint32_t ue_to_rp;
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 */
779 
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);
785 
786 	/* Pointers to the constructed SLI4 queues */
787 	struct lpfc_sli4_hdw_queue *hdwq;
788 	struct list_head lpfc_wq_list;
789 
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 */
794 
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 */
803 
804 	struct lpfc_name wwnn;
805 	struct lpfc_name wwpn;
806 
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 */
810 
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];
815 
816 	/* Setup information for various queue parameters */
817 	int eq_esize;
818 	int eq_ecount;
819 	int cq_esize;
820 	int cq_ecount;
821 	int wq_esize;
822 	int wq_ecount;
823 	int mq_esize;
824 	int mq_ecount;
825 	int rq_esize;
826 	int rq_ecount;
827 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
828 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
829 
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 */
836 	uint16_t next_rpi;
837 	uint16_t io_xri_max;
838 	uint16_t io_xri_cnt;
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;
844 	uint16_t cq_max;
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;
860 	uint16_t *rpi_ids;
861 	uint16_t rpi_count;
862 	struct list_head lpfc_rpi_blk_list;
863 	unsigned long *xri_bmask;
864 	uint16_t *xri_ids;
865 	struct list_head lpfc_xri_blk_list;
866 	unsigned long *vfi_bmask;
867 	uint16_t *vfi_ids;
868 	uint16_t vfi_count;
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
882 	struct lpfc_iov iov;
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;
886 
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;
893 	uint32_t conf_trunk;
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
918 };
919 
920 enum lpfc_sge_type {
921 	GEN_BUFF_TYPE,
922 	SCSI_BUFF_TYPE,
923 	NVMET_BUFF_TYPE
924 };
925 
926 enum lpfc_sgl_state {
927 	SGL_FREED,
928 	SGL_ALLOCATED,
929 	SGL_XRI_ABORTED
930 };
931 
932 struct lpfc_sglq {
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 */
945 };
946 
947 struct lpfc_rpi_hdr {
948 	struct list_head list;
949 	uint32_t len;
950 	struct lpfc_dmabuf *dmabuf;
951 	uint32_t page_count;
952 	uint32_t start_rpi;
953 	uint16_t next_rpi;
954 };
955 
956 struct lpfc_rsrc_blks {
957 	struct list_head list;
958 	uint16_t rsrc_start;
959 	uint16_t rsrc_size;
960 	uint16_t rsrc_used;
961 };
962 
963 struct lpfc_rdp_context {
964 	struct lpfc_nodelist *ndlp;
965 	uint16_t ox_id;
966 	uint16_t rx_id;
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);
971 };
972 
973 struct lpfc_lcb_context {
974 	uint8_t  sub_command;
975 	uint8_t  type;
976 	uint8_t  capability;
977 	uint8_t  frequency;
978 	uint16_t  duration;
979 	uint16_t ox_id;
980 	uint16_t rx_id;
981 	struct lpfc_nodelist *ndlp;
982 };
983 
984 
985 /*
986  * SLI4 specific function prototypes
987  */
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 *,
998 			       uint16_t);
999 
1000 void lpfc_sli4_hba_reset(struct lpfc_hba *);
1001 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *phba,
1002 					 uint32_t page_size,
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,
1013 			uint32_t subtype);
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,
1022 			uint32_t subtype);
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)
1093 {
1094 	return q->q_pgs[idx / q->entry_cnt_per_pg] +
1095 		(q->entry_size * (idx % q->entry_cnt_per_pg));
1096 }
1097