xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_sli4.h (revision c00f62e6c5468ed0673c583f1ff284274e817410)
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_IO,
113 	LPFC_ELS,
114 	LPFC_NVMET,
115 	LPFC_NVME_LS,
116 	LPFC_USOL
117 };
118 
119 /* RQ buffer list */
120 struct lpfc_rqb {
121 	uint16_t entry_count;	  /* Current number of RQ slots */
122 	uint16_t buffer_count;	  /* Current number of buffers posted */
123 	struct list_head rqb_buffer_list;  /* buffers assigned to this HBQ */
124 				  /* Callback for HBQ buffer allocation */
125 	struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
126 				  /* Callback for HBQ buffer free */
127 	void               (*rqb_free_buffer)(struct lpfc_hba *,
128 					       struct rqb_dmabuf *);
129 };
130 
131 struct lpfc_queue {
132 	struct list_head list;
133 	struct list_head wq_list;
134 	struct list_head wqfull_list;
135 	enum lpfc_sli4_queue_type type;
136 	enum lpfc_sli4_queue_subtype subtype;
137 	struct lpfc_hba *phba;
138 	struct list_head child_list;
139 	struct list_head page_list;
140 	struct list_head sgl_list;
141 	struct list_head cpu_list;
142 	uint32_t entry_count;	/* Number of entries to support on the queue */
143 	uint32_t entry_size;	/* Size of each queue entry. */
144 	uint32_t entry_cnt_per_pg;
145 	uint32_t notify_interval; /* Queue Notification Interval
146 				   * For chip->host queues (EQ, CQ, RQ):
147 				   *  specifies the interval (number of
148 				   *  entries) where the doorbell is rung to
149 				   *  notify the chip of entry consumption.
150 				   * For host->chip queues (WQ):
151 				   *  specifies the interval (number of
152 				   *  entries) where consumption CQE is
153 				   *  requested to indicate WQ entries
154 				   *  consumed by the chip.
155 				   * Not used on an MQ.
156 				   */
157 #define LPFC_EQ_NOTIFY_INTRVL	16
158 #define LPFC_CQ_NOTIFY_INTRVL	16
159 #define LPFC_WQ_NOTIFY_INTRVL	16
160 #define LPFC_RQ_NOTIFY_INTRVL	16
161 	uint32_t max_proc_limit; /* Queue Processing Limit
162 				  * For chip->host queues (EQ, CQ):
163 				  *  specifies the maximum number of
164 				  *  entries to be consumed in one
165 				  *  processing iteration sequence. Queue
166 				  *  will be rearmed after each iteration.
167 				  * Not used on an MQ, RQ or WQ.
168 				  */
169 #define LPFC_EQ_MAX_PROC_LIMIT		256
170 #define LPFC_CQ_MIN_PROC_LIMIT		64
171 #define LPFC_CQ_MAX_PROC_LIMIT		LPFC_CQE_EXP_COUNT	// 4096
172 #define LPFC_CQ_DEF_MAX_PROC_LIMIT	LPFC_CQE_DEF_COUNT	// 1024
173 #define LPFC_CQ_MIN_THRESHOLD_TO_POLL	64
174 #define LPFC_CQ_MAX_THRESHOLD_TO_POLL	LPFC_CQ_DEF_MAX_PROC_LIMIT
175 #define LPFC_CQ_DEF_THRESHOLD_TO_POLL	LPFC_CQ_DEF_MAX_PROC_LIMIT
176 	uint32_t queue_claimed; /* indicates queue is being processed */
177 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
178 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
179 	uint32_t host_index;	/* The host's index for putting or getting */
180 	uint32_t hba_index;	/* The last known hba index for get or put */
181 	uint32_t q_mode;
182 
183 	struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
184 	struct lpfc_rqb *rqbp;	/* ptr to RQ buffers */
185 
186 	uint16_t page_count;	/* Number of pages allocated for this queue */
187 	uint16_t page_size;	/* size of page allocated for this queue */
188 #define LPFC_EXPANDED_PAGE_SIZE	16384
189 #define LPFC_DEFAULT_PAGE_SIZE	4096
190 	uint16_t chann;		/* Hardware Queue association WQ/CQ */
191 				/* CPU affinity for EQ */
192 #define LPFC_FIND_BY_EQ		0
193 #define LPFC_FIND_BY_HDWQ	1
194 	uint8_t db_format;
195 #define LPFC_DB_RING_FORMAT	0x01
196 #define LPFC_DB_LIST_FORMAT	0x02
197 	uint8_t q_flag;
198 #define HBA_NVMET_WQFULL	0x1 /* We hit WQ Full condition for NVMET */
199 #define HBA_NVMET_CQ_NOTIFY	0x1 /* LPFC_NVMET_CQ_NOTIFY CQEs this EQE */
200 #define LPFC_NVMET_CQ_NOTIFY	4
201 	void __iomem *db_regaddr;
202 	uint16_t dpp_enable;
203 	uint16_t dpp_id;
204 	void __iomem *dpp_regaddr;
205 
206 	/* For q stats */
207 	uint32_t q_cnt_1;
208 	uint32_t q_cnt_2;
209 	uint32_t q_cnt_3;
210 	uint64_t q_cnt_4;
211 /* defines for EQ stats */
212 #define	EQ_max_eqe		q_cnt_1
213 #define	EQ_no_entry		q_cnt_2
214 #define	EQ_cqe_cnt		q_cnt_3
215 #define	EQ_processed		q_cnt_4
216 
217 /* defines for CQ stats */
218 #define	CQ_mbox			q_cnt_1
219 #define	CQ_max_cqe		q_cnt_1
220 #define	CQ_release_wqe		q_cnt_2
221 #define	CQ_xri_aborted		q_cnt_3
222 #define	CQ_wq			q_cnt_4
223 
224 /* defines for WQ stats */
225 #define	WQ_overflow		q_cnt_1
226 #define	WQ_posted		q_cnt_4
227 
228 /* defines for RQ stats */
229 #define	RQ_no_posted_buf	q_cnt_1
230 #define	RQ_no_buf_found		q_cnt_2
231 #define	RQ_buf_posted		q_cnt_3
232 #define	RQ_rcv_buf		q_cnt_4
233 
234 	struct work_struct	irqwork;
235 	struct work_struct	spwork;
236 	struct delayed_work	sched_irqwork;
237 	struct delayed_work	sched_spwork;
238 
239 	uint64_t isr_timestamp;
240 	uint16_t hdwq;
241 	uint16_t last_cpu;	/* most recent cpu */
242 	uint8_t	qe_valid;
243 	struct lpfc_queue *assoc_qp;
244 	void **q_pgs;	/* array to index entries per page */
245 };
246 
247 struct lpfc_sli4_link {
248 	uint32_t speed;
249 	uint8_t duplex;
250 	uint8_t status;
251 	uint8_t type;
252 	uint8_t number;
253 	uint8_t fault;
254 	uint32_t logical_speed;
255 	uint16_t topology;
256 };
257 
258 struct lpfc_fcf_rec {
259 	uint8_t  fabric_name[8];
260 	uint8_t  switch_name[8];
261 	uint8_t  mac_addr[6];
262 	uint16_t fcf_indx;
263 	uint32_t priority;
264 	uint16_t vlan_id;
265 	uint32_t addr_mode;
266 	uint32_t flag;
267 #define BOOT_ENABLE	0x01
268 #define RECORD_VALID	0x02
269 };
270 
271 struct lpfc_fcf_pri_rec {
272 	uint16_t fcf_index;
273 #define LPFC_FCF_ON_PRI_LIST 0x0001
274 #define LPFC_FCF_FLOGI_FAILED 0x0002
275 	uint16_t flag;
276 	uint32_t priority;
277 };
278 
279 struct lpfc_fcf_pri {
280 	struct list_head list;
281 	struct lpfc_fcf_pri_rec fcf_rec;
282 };
283 
284 /*
285  * Maximum FCF table index, it is for driver internal book keeping, it
286  * just needs to be no less than the supported HBA's FCF table size.
287  */
288 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
289 
290 struct lpfc_fcf {
291 	uint16_t fcfi;
292 	uint32_t fcf_flag;
293 #define FCF_AVAILABLE	0x01 /* FCF available for discovery */
294 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
295 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
296 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
297 #define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
298 #define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
299 #define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
300 #define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
301 #define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
302 #define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
303 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
304 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
305 	uint16_t fcf_redisc_attempted;
306 	uint32_t addr_mode;
307 	uint32_t eligible_fcf_cnt;
308 	struct lpfc_fcf_rec current_rec;
309 	struct lpfc_fcf_rec failover_rec;
310 	struct list_head fcf_pri_list;
311 	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
312 	uint32_t current_fcf_scan_pri;
313 	struct timer_list redisc_wait;
314 	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
315 };
316 
317 
318 #define LPFC_REGION23_SIGNATURE "RG23"
319 #define LPFC_REGION23_VERSION	1
320 #define LPFC_REGION23_LAST_REC  0xff
321 #define DRIVER_SPECIFIC_TYPE	0xA2
322 #define LINUX_DRIVER_ID		0x20
323 #define PORT_STE_TYPE		0x1
324 
325 struct lpfc_fip_param_hdr {
326 	uint8_t type;
327 #define FCOE_PARAM_TYPE		0xA0
328 	uint8_t length;
329 #define FCOE_PARAM_LENGTH	2
330 	uint8_t parm_version;
331 #define FIPP_VERSION		0x01
332 	uint8_t parm_flags;
333 #define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
334 #define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
335 #define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
336 #define	FIPP_MODE_ON				0x1
337 #define	FIPP_MODE_OFF				0x0
338 #define FIPP_VLAN_VALID				0x1
339 };
340 
341 struct lpfc_fcoe_params {
342 	uint8_t fc_map[3];
343 	uint8_t reserved1;
344 	uint16_t vlan_tag;
345 	uint8_t reserved[2];
346 };
347 
348 struct lpfc_fcf_conn_hdr {
349 	uint8_t type;
350 #define FCOE_CONN_TBL_TYPE		0xA1
351 	uint8_t length;   /* words */
352 	uint8_t reserved[2];
353 };
354 
355 struct lpfc_fcf_conn_rec {
356 	uint16_t flags;
357 #define	FCFCNCT_VALID		0x0001
358 #define	FCFCNCT_BOOT		0x0002
359 #define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
360 #define	FCFCNCT_FBNM_VALID	0x0008
361 #define	FCFCNCT_SWNM_VALID	0x0010
362 #define	FCFCNCT_VLAN_VALID	0x0020
363 #define	FCFCNCT_AM_VALID	0x0040
364 #define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
365 #define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
366 
367 	uint16_t vlan_tag;
368 	uint8_t fabric_name[8];
369 	uint8_t switch_name[8];
370 };
371 
372 struct lpfc_fcf_conn_entry {
373 	struct list_head list;
374 	struct lpfc_fcf_conn_rec conn_rec;
375 };
376 
377 /*
378  * Define the host's bootstrap mailbox.  This structure contains
379  * the member attributes needed to create, use, and destroy the
380  * bootstrap mailbox region.
381  *
382  * The macro definitions for the bmbx data structure are defined
383  * in lpfc_hw4.h with the register definition.
384  */
385 struct lpfc_bmbx {
386 	struct lpfc_dmabuf *dmabuf;
387 	struct dma_address dma_address;
388 	void *avirt;
389 	dma_addr_t aphys;
390 	uint32_t bmbx_size;
391 };
392 
393 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
394 
395 #define LPFC_EQE_SIZE_4B 	4
396 #define LPFC_EQE_SIZE_16B	16
397 #define LPFC_CQE_SIZE		16
398 #define LPFC_WQE_SIZE		64
399 #define LPFC_WQE128_SIZE	128
400 #define LPFC_MQE_SIZE		256
401 #define LPFC_RQE_SIZE		8
402 
403 #define LPFC_EQE_DEF_COUNT	1024
404 #define LPFC_CQE_DEF_COUNT      1024
405 #define LPFC_CQE_EXP_COUNT      4096
406 #define LPFC_WQE_DEF_COUNT      256
407 #define LPFC_WQE_EXP_COUNT      1024
408 #define LPFC_MQE_DEF_COUNT      16
409 #define LPFC_RQE_DEF_COUNT	512
410 
411 #define LPFC_QUEUE_NOARM	false
412 #define LPFC_QUEUE_REARM	true
413 
414 
415 /*
416  * SLI4 CT field defines
417  */
418 #define SLI4_CT_RPI 0
419 #define SLI4_CT_VPI 1
420 #define SLI4_CT_VFI 2
421 #define SLI4_CT_FCFI 3
422 
423 /*
424  * SLI4 specific data structures
425  */
426 struct lpfc_max_cfg_param {
427 	uint16_t max_xri;
428 	uint16_t xri_base;
429 	uint16_t xri_used;
430 	uint16_t max_rpi;
431 	uint16_t rpi_base;
432 	uint16_t rpi_used;
433 	uint16_t max_vpi;
434 	uint16_t vpi_base;
435 	uint16_t vpi_used;
436 	uint16_t max_vfi;
437 	uint16_t vfi_base;
438 	uint16_t vfi_used;
439 	uint16_t max_fcfi;
440 	uint16_t fcfi_used;
441 	uint16_t max_eq;
442 	uint16_t max_rq;
443 	uint16_t max_cq;
444 	uint16_t max_wq;
445 };
446 
447 struct lpfc_hba;
448 /* SLI4 HBA multi-fcp queue handler struct */
449 #define LPFC_SLI4_HANDLER_NAME_SZ	16
450 struct lpfc_hba_eq_hdl {
451 	uint32_t idx;
452 	char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
453 	struct lpfc_hba *phba;
454 	struct lpfc_queue *eq;
455 };
456 
457 /*BB Credit recovery value*/
458 struct lpfc_bbscn_params {
459 	uint32_t word0;
460 #define lpfc_bbscn_min_SHIFT		0
461 #define lpfc_bbscn_min_MASK		0x0000000F
462 #define lpfc_bbscn_min_WORD		word0
463 #define lpfc_bbscn_max_SHIFT		4
464 #define lpfc_bbscn_max_MASK		0x0000000F
465 #define lpfc_bbscn_max_WORD		word0
466 #define lpfc_bbscn_def_SHIFT		8
467 #define lpfc_bbscn_def_MASK		0x0000000F
468 #define lpfc_bbscn_def_WORD		word0
469 };
470 
471 /* Port Capabilities for SLI4 Parameters */
472 struct lpfc_pc_sli4_params {
473 	uint32_t supported;
474 	uint32_t if_type;
475 	uint32_t sli_rev;
476 	uint32_t sli_family;
477 	uint32_t featurelevel_1;
478 	uint32_t featurelevel_2;
479 	uint32_t proto_types;
480 #define LPFC_SLI4_PROTO_FCOE	0x0000001
481 #define LPFC_SLI4_PROTO_FC	0x0000002
482 #define LPFC_SLI4_PROTO_NIC	0x0000004
483 #define LPFC_SLI4_PROTO_ISCSI	0x0000008
484 #define LPFC_SLI4_PROTO_RDMA	0x0000010
485 	uint32_t sge_supp_len;
486 	uint32_t if_page_sz;
487 	uint32_t rq_db_window;
488 	uint32_t loopbk_scope;
489 	uint32_t oas_supported;
490 	uint32_t eq_pages_max;
491 	uint32_t eqe_size;
492 	uint32_t cq_pages_max;
493 	uint32_t cqe_size;
494 	uint32_t mq_pages_max;
495 	uint32_t mqe_size;
496 	uint32_t mq_elem_cnt;
497 	uint32_t wq_pages_max;
498 	uint32_t wqe_size;
499 	uint32_t rq_pages_max;
500 	uint32_t rqe_size;
501 	uint32_t hdr_pages_max;
502 	uint32_t hdr_size;
503 	uint32_t hdr_pp_align;
504 	uint32_t sgl_pages_max;
505 	uint32_t sgl_pp_align;
506 	uint8_t cqv;
507 	uint8_t mqv;
508 	uint8_t wqv;
509 	uint8_t rqv;
510 	uint8_t eqav;
511 	uint8_t cqav;
512 	uint8_t wqsize;
513 	uint8_t bv1s;
514 #define LPFC_WQ_SZ64_SUPPORT	1
515 #define LPFC_WQ_SZ128_SUPPORT	2
516 	uint8_t wqpcnt;
517 	uint8_t nvme;
518 };
519 
520 #define LPFC_CQ_4K_PAGE_SZ	0x1
521 #define LPFC_CQ_16K_PAGE_SZ	0x4
522 #define LPFC_WQ_4K_PAGE_SZ	0x1
523 #define LPFC_WQ_16K_PAGE_SZ	0x4
524 
525 struct lpfc_iov {
526 	uint32_t pf_number;
527 	uint32_t vf_number;
528 };
529 
530 struct lpfc_sli4_lnk_info {
531 	uint8_t lnk_dv;
532 #define LPFC_LNK_DAT_INVAL	0
533 #define LPFC_LNK_DAT_VAL	1
534 	uint8_t lnk_tp;
535 #define LPFC_LNK_GE		0x0 /* FCoE */
536 #define LPFC_LNK_FC		0x1 /* FC */
537 #define LPFC_LNK_FC_TRUNKED	0x2 /* FC_Trunked */
538 	uint8_t lnk_no;
539 	uint8_t optic_state;
540 };
541 
542 #define LPFC_SLI4_HANDLER_CNT		(LPFC_HBA_IO_CHAN_MAX+ \
543 					 LPFC_FOF_IO_CHAN_NUM)
544 
545 /* Used for IRQ vector to CPU mapping */
546 struct lpfc_vector_map_info {
547 	uint16_t	phys_id;
548 	uint16_t	core_id;
549 	uint16_t	irq;
550 	uint16_t	eq;
551 	uint16_t	hdwq;
552 	uint16_t	flag;
553 #define LPFC_CPU_MAP_HYPER	0x1
554 #define LPFC_CPU_MAP_UNASSIGN	0x2
555 #define LPFC_CPU_FIRST_IRQ	0x4
556 };
557 #define LPFC_VECTOR_MAP_EMPTY	0xffff
558 
559 /* Multi-XRI pool */
560 #define XRI_BATCH               8
561 
562 struct lpfc_pbl_pool {
563 	struct list_head list;
564 	u32 count;
565 	spinlock_t lock;	/* lock for pbl_pool*/
566 };
567 
568 struct lpfc_pvt_pool {
569 	u32 low_watermark;
570 	u32 high_watermark;
571 
572 	struct list_head list;
573 	u32 count;
574 	spinlock_t lock;	/* lock for pvt_pool */
575 };
576 
577 struct lpfc_multixri_pool {
578 	u32 xri_limit;
579 
580 	/* Starting point when searching a pbl_pool with round-robin method */
581 	u32 rrb_next_hwqid;
582 
583 	/* Used by lpfc_adjust_pvt_pool_count.
584 	 * io_req_count is incremented by 1 during IO submission. The heartbeat
585 	 * handler uses these two variables to determine if pvt_pool is idle or
586 	 * busy.
587 	 */
588 	u32 prev_io_req_count;
589 	u32 io_req_count;
590 
591 	/* statistics */
592 	u32 pbl_empty_count;
593 #ifdef LPFC_MXP_STAT
594 	u32 above_limit_count;
595 	u32 below_limit_count;
596 	u32 local_pbl_hit_count;
597 	u32 other_pbl_hit_count;
598 	u32 stat_max_hwm;
599 
600 #define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */
601 	u32 stat_pbl_count;
602 	u32 stat_pvt_count;
603 	u32 stat_busy_count;
604 	u32 stat_snapshot_taken;
605 #endif
606 
607 	/* TODO: Separate pvt_pool into get and put list */
608 	struct lpfc_pbl_pool pbl_pool;   /* Public free XRI pool */
609 	struct lpfc_pvt_pool pvt_pool;   /* Private free XRI pool */
610 };
611 
612 struct lpfc_fc4_ctrl_stat {
613 	u32 input_requests;
614 	u32 output_requests;
615 	u32 control_requests;
616 	u32 io_cmpls;
617 };
618 
619 #ifdef LPFC_HDWQ_LOCK_STAT
620 struct lpfc_lock_stat {
621 	uint32_t alloc_xri_get;
622 	uint32_t alloc_xri_put;
623 	uint32_t free_xri;
624 	uint32_t wq_access;
625 	uint32_t alloc_pvt_pool;
626 	uint32_t mv_from_pvt_pool;
627 	uint32_t mv_to_pub_pool;
628 	uint32_t mv_to_pvt_pool;
629 	uint32_t free_pub_pool;
630 	uint32_t free_pvt_pool;
631 };
632 #endif
633 
634 struct lpfc_eq_intr_info {
635 	struct list_head list;
636 	uint32_t icnt;
637 };
638 
639 /* SLI4 HBA data structure entries */
640 struct lpfc_sli4_hdw_queue {
641 	/* Pointers to the constructed SLI4 queues */
642 	struct lpfc_queue *hba_eq;  /* Event queues for HBA */
643 	struct lpfc_queue *io_cq;   /* Fast-path FCP & NVME compl queue */
644 	struct lpfc_queue *io_wq;   /* Fast-path FCP & NVME work queue */
645 	uint16_t io_cq_map;
646 
647 	/* Keep track of IO buffers for this hardware queue */
648 	spinlock_t io_buf_list_get_lock;  /* Common buf alloc list lock */
649 	struct list_head lpfc_io_buf_list_get;
650 	spinlock_t io_buf_list_put_lock;  /* Common buf free list lock */
651 	struct list_head lpfc_io_buf_list_put;
652 	spinlock_t abts_io_buf_list_lock; /* list of aborted IOs */
653 	struct list_head lpfc_abts_io_buf_list;
654 	uint32_t total_io_bufs;
655 	uint32_t get_io_bufs;
656 	uint32_t put_io_bufs;
657 	uint32_t empty_io_bufs;
658 	uint32_t abts_scsi_io_bufs;
659 	uint32_t abts_nvme_io_bufs;
660 
661 	/* Multi-XRI pool per HWQ */
662 	struct lpfc_multixri_pool *p_multixri_pool;
663 
664 	/* FC-4 Stats counters */
665 	struct lpfc_fc4_ctrl_stat nvme_cstat;
666 	struct lpfc_fc4_ctrl_stat scsi_cstat;
667 #ifdef LPFC_HDWQ_LOCK_STAT
668 	struct lpfc_lock_stat lock_conflict;
669 #endif
670 
671 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
672 #define LPFC_CHECK_CPU_CNT    128
673 	uint32_t cpucheck_rcv_io[LPFC_CHECK_CPU_CNT];
674 	uint32_t cpucheck_xmt_io[LPFC_CHECK_CPU_CNT];
675 	uint32_t cpucheck_cmpl_io[LPFC_CHECK_CPU_CNT];
676 #endif
677 
678 	/* Per HDWQ pool resources */
679 	struct list_head sgl_list;
680 	struct list_head cmd_rsp_buf_list;
681 
682 	/* Lock for syncing Per HDWQ pool resources */
683 	spinlock_t hdwq_lock;
684 };
685 
686 #ifdef LPFC_HDWQ_LOCK_STAT
687 /* compile time trylock stats */
688 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
689 	{ \
690 	int only_once = 1; \
691 	while (spin_trylock_irqsave(lock, flag) == 0) { \
692 		if (only_once) { \
693 			only_once = 0; \
694 			qp->lock_conflict.lstat++; \
695 		} \
696 	} \
697 	}
698 #define lpfc_qp_spin_lock(lock, qp, lstat) \
699 	{ \
700 	int only_once = 1; \
701 	while (spin_trylock(lock) == 0) { \
702 		if (only_once) { \
703 			only_once = 0; \
704 			qp->lock_conflict.lstat++; \
705 		} \
706 	} \
707 	}
708 #else
709 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
710 	spin_lock_irqsave(lock, flag)
711 #define lpfc_qp_spin_lock(lock, qp, lstat) spin_lock(lock)
712 #endif
713 
714 struct lpfc_sli4_hba {
715 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
716 					   * config space registers
717 					   */
718 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
719 					   * control registers
720 					   */
721 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
722 					   * doorbell registers
723 					   */
724 	void __iomem *dpp_regs_memmap_p;  /* Kernel memory mapped address for
725 					   * dpp registers
726 					   */
727 	union {
728 		struct {
729 			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
730 			void __iomem *UERRLOregaddr;
731 			void __iomem *UERRHIregaddr;
732 			void __iomem *UEMASKLOregaddr;
733 			void __iomem *UEMASKHIregaddr;
734 		} if_type0;
735 		struct {
736 			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
737 			void __iomem *STATUSregaddr;
738 			void __iomem *CTRLregaddr;
739 			void __iomem *ERR1regaddr;
740 #define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
741 #define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
742 			void __iomem *ERR2regaddr;
743 #define SLIPORT_ERR2_REG_FW_RESTART		0x0
744 #define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
745 #define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
746 #define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
747 #define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
748 #define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
749 #define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
750 			void __iomem *EQDregaddr;
751 		} if_type2;
752 	} u;
753 
754 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
755 	void __iomem *PSMPHRregaddr;
756 
757 	/* Well-known SLI INTF register memory map. */
758 	void __iomem *SLIINTFregaddr;
759 
760 	/* IF type 0, BAR 1 function CSR register memory map */
761 	void __iomem *ISRregaddr;	/* HST_ISR register */
762 	void __iomem *IMRregaddr;	/* HST_IMR register */
763 	void __iomem *ISCRregaddr;	/* HST_ISCR register */
764 	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
765 	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
766 	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
767 	void __iomem *CQDBregaddr;	/* CQ_DOORBELL register */
768 	void __iomem *EQDBregaddr;	/* EQ_DOORBELL register */
769 	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
770 	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
771 
772 	uint32_t ue_mask_lo;
773 	uint32_t ue_mask_hi;
774 	uint32_t ue_to_sr;
775 	uint32_t ue_to_rp;
776 	struct lpfc_register sli_intf;
777 	struct lpfc_pc_sli4_params pc_sli4_params;
778 	struct lpfc_bbscn_params bbscn_params;
779 	struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
780 
781 	void (*sli4_eq_clr_intr)(struct lpfc_queue *q);
782 	void (*sli4_write_eq_db)(struct lpfc_hba *phba, struct lpfc_queue *eq,
783 				uint32_t count, bool arm);
784 	void (*sli4_write_cq_db)(struct lpfc_hba *phba, struct lpfc_queue *cq,
785 				uint32_t count, bool arm);
786 
787 	/* Pointers to the constructed SLI4 queues */
788 	struct lpfc_sli4_hdw_queue *hdwq;
789 	struct list_head lpfc_wq_list;
790 
791 	/* Pointers to the constructed SLI4 queues for NVMET */
792 	struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
793 	struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
794 	struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
795 
796 	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
797 	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
798 	struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
799 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
800 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
801 	struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
802 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
803 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
804 
805 	struct lpfc_name wwnn;
806 	struct lpfc_name wwpn;
807 
808 	uint32_t fw_func_mode;	/* FW function protocol mode */
809 	uint32_t ulp0_mode;	/* ULP0 protocol mode */
810 	uint32_t ulp1_mode;	/* ULP1 protocol mode */
811 
812 	/* Optimized Access Storage specific queues/structures */
813 	uint64_t oas_next_lun;
814 	uint8_t oas_next_tgt_wwpn[8];
815 	uint8_t oas_next_vpt_wwpn[8];
816 
817 	/* Setup information for various queue parameters */
818 	int eq_esize;
819 	int eq_ecount;
820 	int cq_esize;
821 	int cq_ecount;
822 	int wq_esize;
823 	int wq_ecount;
824 	int mq_esize;
825 	int mq_ecount;
826 	int rq_esize;
827 	int rq_ecount;
828 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
829 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
830 
831 	uint32_t intr_enable;
832 	struct lpfc_bmbx bmbx;
833 	struct lpfc_max_cfg_param max_cfg_param;
834 	uint16_t extents_in_use; /* must allocate resource extents. */
835 	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
836 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
837 	uint16_t next_rpi;
838 	uint16_t io_xri_max;
839 	uint16_t io_xri_cnt;
840 	uint16_t io_xri_start;
841 	uint16_t els_xri_cnt;
842 	uint16_t nvmet_xri_cnt;
843 	uint16_t nvmet_io_wait_cnt;
844 	uint16_t nvmet_io_wait_total;
845 	uint16_t cq_max;
846 	struct lpfc_queue **cq_lookup;
847 	struct list_head lpfc_els_sgl_list;
848 	struct list_head lpfc_abts_els_sgl_list;
849 	spinlock_t abts_io_buf_list_lock; /* list of aborted SCSI IOs */
850 	struct list_head lpfc_abts_io_buf_list;
851 	struct list_head lpfc_nvmet_sgl_list;
852 	spinlock_t abts_nvmet_buf_list_lock; /* list of aborted NVMET IOs */
853 	struct list_head lpfc_abts_nvmet_ctx_list;
854 	spinlock_t t_active_list_lock; /* list of active NVMET IOs */
855 	struct list_head t_active_ctx_list;
856 	struct list_head lpfc_nvmet_io_wait_list;
857 	struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
858 	struct lpfc_sglq **lpfc_sglq_active_list;
859 	struct list_head lpfc_rpi_hdr_list;
860 	unsigned long *rpi_bmask;
861 	uint16_t *rpi_ids;
862 	uint16_t rpi_count;
863 	struct list_head lpfc_rpi_blk_list;
864 	unsigned long *xri_bmask;
865 	uint16_t *xri_ids;
866 	struct list_head lpfc_xri_blk_list;
867 	unsigned long *vfi_bmask;
868 	uint16_t *vfi_ids;
869 	uint16_t vfi_count;
870 	struct list_head lpfc_vfi_blk_list;
871 	struct lpfc_sli4_flags sli4_flags;
872 	struct list_head sp_queue_event;
873 	struct list_head sp_cqe_event_pool;
874 	struct list_head sp_asynce_work_queue;
875 	struct list_head sp_fcp_xri_aborted_work_queue;
876 	struct list_head sp_els_xri_aborted_work_queue;
877 	struct list_head sp_unsol_work_queue;
878 	struct lpfc_sli4_link link_state;
879 	struct lpfc_sli4_lnk_info lnk_info;
880 	uint32_t pport_name_sta;
881 #define LPFC_SLI4_PPNAME_NON	0
882 #define LPFC_SLI4_PPNAME_GET	1
883 	struct lpfc_iov iov;
884 	spinlock_t sgl_list_lock; /* list of aborted els IOs */
885 	spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
886 	uint32_t physical_port;
887 
888 	/* CPU to vector mapping information */
889 	struct lpfc_vector_map_info *cpu_map;
890 	uint16_t num_possible_cpu;
891 	uint16_t num_present_cpu;
892 	uint16_t curr_disp_cpu;
893 	struct lpfc_eq_intr_info __percpu *eq_info;
894 	uint32_t conf_trunk;
895 #define lpfc_conf_trunk_port0_WORD	conf_trunk
896 #define lpfc_conf_trunk_port0_SHIFT	0
897 #define lpfc_conf_trunk_port0_MASK	0x1
898 #define lpfc_conf_trunk_port1_WORD	conf_trunk
899 #define lpfc_conf_trunk_port1_SHIFT	1
900 #define lpfc_conf_trunk_port1_MASK	0x1
901 #define lpfc_conf_trunk_port2_WORD	conf_trunk
902 #define lpfc_conf_trunk_port2_SHIFT	2
903 #define lpfc_conf_trunk_port2_MASK	0x1
904 #define lpfc_conf_trunk_port3_WORD	conf_trunk
905 #define lpfc_conf_trunk_port3_SHIFT	3
906 #define lpfc_conf_trunk_port3_MASK	0x1
907 #define lpfc_conf_trunk_port0_nd_WORD	conf_trunk
908 #define lpfc_conf_trunk_port0_nd_SHIFT	4
909 #define lpfc_conf_trunk_port0_nd_MASK	0x1
910 #define lpfc_conf_trunk_port1_nd_WORD	conf_trunk
911 #define lpfc_conf_trunk_port1_nd_SHIFT	5
912 #define lpfc_conf_trunk_port1_nd_MASK	0x1
913 #define lpfc_conf_trunk_port2_nd_WORD	conf_trunk
914 #define lpfc_conf_trunk_port2_nd_SHIFT	6
915 #define lpfc_conf_trunk_port2_nd_MASK	0x1
916 #define lpfc_conf_trunk_port3_nd_WORD	conf_trunk
917 #define lpfc_conf_trunk_port3_nd_SHIFT	7
918 #define lpfc_conf_trunk_port3_nd_MASK	0x1
919 };
920 
921 enum lpfc_sge_type {
922 	GEN_BUFF_TYPE,
923 	SCSI_BUFF_TYPE,
924 	NVMET_BUFF_TYPE
925 };
926 
927 enum lpfc_sgl_state {
928 	SGL_FREED,
929 	SGL_ALLOCATED,
930 	SGL_XRI_ABORTED
931 };
932 
933 struct lpfc_sglq {
934 	/* lpfc_sglqs are used in double linked lists */
935 	struct list_head list;
936 	struct list_head clist;
937 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
938 	enum lpfc_sgl_state state;
939 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
940 	uint16_t iotag;         /* pre-assigned IO tag */
941 	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
942 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
943 	struct sli4_sge *sgl;	/* pre-assigned SGL */
944 	void *virt;		/* virtual address. */
945 	dma_addr_t phys;	/* physical address */
946 };
947 
948 struct lpfc_rpi_hdr {
949 	struct list_head list;
950 	uint32_t len;
951 	struct lpfc_dmabuf *dmabuf;
952 	uint32_t page_count;
953 	uint32_t start_rpi;
954 	uint16_t next_rpi;
955 };
956 
957 struct lpfc_rsrc_blks {
958 	struct list_head list;
959 	uint16_t rsrc_start;
960 	uint16_t rsrc_size;
961 	uint16_t rsrc_used;
962 };
963 
964 struct lpfc_rdp_context {
965 	struct lpfc_nodelist *ndlp;
966 	uint16_t ox_id;
967 	uint16_t rx_id;
968 	READ_LNK_VAR link_stat;
969 	uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
970 	uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
971 	void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
972 };
973 
974 struct lpfc_lcb_context {
975 	uint8_t  sub_command;
976 	uint8_t  type;
977 	uint8_t  capability;
978 	uint8_t  frequency;
979 	uint16_t  duration;
980 	uint16_t ox_id;
981 	uint16_t rx_id;
982 	struct lpfc_nodelist *ndlp;
983 };
984 
985 
986 /*
987  * SLI4 specific function prototypes
988  */
989 int lpfc_pci_function_reset(struct lpfc_hba *);
990 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
991 int lpfc_sli4_hba_setup(struct lpfc_hba *);
992 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
993 		     uint8_t, uint32_t, bool);
994 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
995 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
996 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
997 			   struct lpfc_mbx_sge *);
998 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
999 			       uint16_t);
1000 
1001 void lpfc_sli4_hba_reset(struct lpfc_hba *);
1002 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *phba,
1003 					 uint32_t page_size,
1004 					 uint32_t entry_size,
1005 					 uint32_t entry_count, int cpu);
1006 void lpfc_sli4_queue_free(struct lpfc_queue *);
1007 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
1008 void lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
1009 			     uint32_t numq, uint32_t usdelay);
1010 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
1011 			struct lpfc_queue *, uint32_t, uint32_t);
1012 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
1013 			struct lpfc_sli4_hdw_queue *hdwq, uint32_t type,
1014 			uint32_t subtype);
1015 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
1016 		       struct lpfc_queue *, uint32_t);
1017 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
1018 			struct lpfc_queue *, uint32_t);
1019 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
1020 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
1021 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
1022 			struct lpfc_queue **drqp, struct lpfc_queue **cqp,
1023 			uint32_t subtype);
1024 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1025 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1026 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1027 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1028 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
1029 			 struct lpfc_queue *);
1030 int lpfc_sli4_queue_setup(struct lpfc_hba *);
1031 void lpfc_sli4_queue_unset(struct lpfc_hba *);
1032 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
1033 int lpfc_repost_io_sgl_list(struct lpfc_hba *phba);
1034 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
1035 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
1036 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
1037 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1038 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1039 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1040 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1041 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
1042 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
1043 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
1044 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
1045 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
1046 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
1047 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
1048 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
1049 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
1050 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
1051 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
1052 			void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
1053 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
1054 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
1055 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
1056 				struct sli4_wcqe_xri_aborted *axri,
1057 				struct lpfc_io_buf *lpfc_ncmd);
1058 void lpfc_sli4_io_xri_aborted(struct lpfc_hba *phba,
1059 			      struct sli4_wcqe_xri_aborted *axri, int idx);
1060 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
1061 				 struct sli4_wcqe_xri_aborted *axri);
1062 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
1063 			       struct sli4_wcqe_xri_aborted *);
1064 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
1065 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
1066 int lpfc_sli4_brdreset(struct lpfc_hba *);
1067 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
1068 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
1069 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
1070 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
1071 int lpfc_sli4_init_vpi(struct lpfc_vport *);
1072 void lpfc_sli4_eq_clr_intr(struct lpfc_queue *);
1073 void lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1074 			   uint32_t count, bool arm);
1075 void lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1076 			   uint32_t count, bool arm);
1077 void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q);
1078 void lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1079 			       uint32_t count, bool arm);
1080 void lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1081 			       uint32_t count, bool arm);
1082 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
1083 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
1084 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
1085 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
1086 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1087 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1088 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1089 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
1090 int lpfc_sli4_post_status_check(struct lpfc_hba *);
1091 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1092 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1093 void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba);
1094 struct sli4_hybrid_sgl *lpfc_get_sgl_per_hdwq(struct lpfc_hba *phba,
1095 					      struct lpfc_io_buf *buf);
1096 struct fcp_cmd_rsp_buf *lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1097 						      struct lpfc_io_buf *buf);
1098 int lpfc_put_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *buf);
1099 int lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1100 				  struct lpfc_io_buf *buf);
1101 void lpfc_free_sgl_per_hdwq(struct lpfc_hba *phba,
1102 			    struct lpfc_sli4_hdw_queue *hdwq);
1103 void lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1104 				    struct lpfc_sli4_hdw_queue *hdwq);
1105 static inline void *lpfc_sli4_qe(struct lpfc_queue *q, uint16_t idx)
1106 {
1107 	return q->q_pgs[idx / q->entry_cnt_per_pg] +
1108 		(q->entry_size * (idx % q->entry_cnt_per_pg));
1109 }
1110