xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_sli4.h (revision 98ddec80)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
5  * “Broadcom” refers to Broadcom Limited 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 #define LPFC_ACTIVE_MBOX_WAIT_CNT               100
24 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO		10000
25 #define LPFC_XRI_EXCH_BUSY_WAIT_T1   		10
26 #define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
27 #define LPFC_RPI_LOW_WATER_MARK			10
28 
29 #define LPFC_UNREG_FCF                          1
30 #define LPFC_SKIP_UNREG_FCF                     0
31 
32 /* Amount of time in seconds for waiting FCF rediscovery to complete */
33 #define LPFC_FCF_REDISCOVER_WAIT_TMO		2000 /* msec */
34 
35 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
36 #define LPFC_NEMBED_MBOX_SGL_CNT		254
37 
38 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
39 #define LPFC_HBA_IO_CHAN_MIN	0
40 #define LPFC_HBA_IO_CHAN_MAX	32
41 #define LPFC_FCP_IO_CHAN_DEF	4
42 #define LPFC_NVME_IO_CHAN_DEF	0
43 
44 /* Number of channels used for Flash Optimized Fabric (FOF) operations */
45 
46 #define LPFC_FOF_IO_CHAN_NUM       1
47 
48 /*
49  * Provide the default FCF Record attributes used by the driver
50  * when nonFIP mode is configured and there is no other default
51  * FCF Record attributes.
52  */
53 #define LPFC_FCOE_FCF_DEF_INDEX	0
54 #define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
55 #define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF
56 
57 #define LPFC_FCOE_NULL_VID	0xFFF
58 #define LPFC_FCOE_IGNORE_VID	0xFFFF
59 
60 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
61 #define LPFC_FCOE_FCF_MAC3	0xFF
62 #define LPFC_FCOE_FCF_MAC4	0xFF
63 #define LPFC_FCOE_FCF_MAC5	0xFE
64 #define LPFC_FCOE_FCF_MAP0	0x0E
65 #define LPFC_FCOE_FCF_MAP1	0xFC
66 #define LPFC_FCOE_FCF_MAP2	0x00
67 #define LPFC_FCOE_MAX_RCV_SIZE	0x800
68 #define LPFC_FCOE_FKA_ADV_PER	0
69 #define LPFC_FCOE_FIP_PRIORITY	0x80
70 
71 #define sli4_sid_from_fc_hdr(fc_hdr)  \
72 	((fc_hdr)->fh_s_id[0] << 16 | \
73 	 (fc_hdr)->fh_s_id[1] <<  8 | \
74 	 (fc_hdr)->fh_s_id[2])
75 
76 #define sli4_did_from_fc_hdr(fc_hdr)  \
77 	((fc_hdr)->fh_d_id[0] << 16 | \
78 	 (fc_hdr)->fh_d_id[1] <<  8 | \
79 	 (fc_hdr)->fh_d_id[2])
80 
81 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
82 	((fc_hdr)->fh_f_ctl[0] << 16 | \
83 	 (fc_hdr)->fh_f_ctl[1] <<  8 | \
84 	 (fc_hdr)->fh_f_ctl[2])
85 
86 #define sli4_type_from_fc_hdr(fc_hdr)  \
87 	((fc_hdr)->fh_type)
88 
89 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
90 
91 #define INT_FW_UPGRADE	0
92 #define RUN_FW_UPGRADE	1
93 
94 enum lpfc_sli4_queue_type {
95 	LPFC_EQ,
96 	LPFC_GCQ,
97 	LPFC_MCQ,
98 	LPFC_WCQ,
99 	LPFC_RCQ,
100 	LPFC_MQ,
101 	LPFC_WQ,
102 	LPFC_HRQ,
103 	LPFC_DRQ
104 };
105 
106 /* The queue sub-type defines the functional purpose of the queue */
107 enum lpfc_sli4_queue_subtype {
108 	LPFC_NONE,
109 	LPFC_MBOX,
110 	LPFC_FCP,
111 	LPFC_ELS,
112 	LPFC_NVME,
113 	LPFC_NVMET,
114 	LPFC_NVME_LS,
115 	LPFC_USOL
116 };
117 
118 union sli4_qe {
119 	void *address;
120 	struct lpfc_eqe *eqe;
121 	struct lpfc_cqe *cqe;
122 	struct lpfc_mcqe *mcqe;
123 	struct lpfc_wcqe_complete *wcqe_complete;
124 	struct lpfc_wcqe_release *wcqe_release;
125 	struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
126 	struct lpfc_rcqe_complete *rcqe_complete;
127 	struct lpfc_mqe *mqe;
128 	union  lpfc_wqe *wqe;
129 	union  lpfc_wqe128 *wqe128;
130 	struct lpfc_rqe *rqe;
131 };
132 
133 /* RQ buffer list */
134 struct lpfc_rqb {
135 	uint16_t entry_count;	  /* Current number of RQ slots */
136 	uint16_t buffer_count;	  /* Current number of buffers posted */
137 	struct list_head rqb_buffer_list;  /* buffers assigned to this HBQ */
138 				  /* Callback for HBQ buffer allocation */
139 	struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
140 				  /* Callback for HBQ buffer free */
141 	void               (*rqb_free_buffer)(struct lpfc_hba *,
142 					       struct rqb_dmabuf *);
143 };
144 
145 struct lpfc_queue {
146 	struct list_head list;
147 	struct list_head wq_list;
148 	struct list_head wqfull_list;
149 	enum lpfc_sli4_queue_type type;
150 	enum lpfc_sli4_queue_subtype subtype;
151 	struct lpfc_hba *phba;
152 	struct list_head child_list;
153 	struct list_head page_list;
154 	struct list_head sgl_list;
155 	uint32_t entry_count;	/* Number of entries to support on the queue */
156 	uint32_t entry_size;	/* Size of each queue entry. */
157 	uint32_t entry_repost;	/* Count of entries before doorbell is rung */
158 #define LPFC_EQ_REPOST		8
159 #define LPFC_MQ_REPOST		8
160 #define LPFC_CQ_REPOST		64
161 #define LPFC_RQ_REPOST		64
162 #define LPFC_RELEASE_NOTIFICATION_INTERVAL	32  /* For WQs */
163 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
164 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
165 	uint32_t host_index;	/* The host's index for putting or getting */
166 	uint32_t hba_index;	/* The last known hba index for get or put */
167 
168 	struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
169 	struct lpfc_rqb *rqbp;	/* ptr to RQ buffers */
170 
171 	uint32_t q_mode;
172 	uint16_t page_count;	/* Number of pages allocated for this queue */
173 	uint16_t page_size;	/* size of page allocated for this queue */
174 #define LPFC_EXPANDED_PAGE_SIZE	16384
175 #define LPFC_DEFAULT_PAGE_SIZE	4096
176 	uint16_t chann;		/* IO channel this queue is associated with */
177 	uint8_t db_format;
178 #define LPFC_DB_RING_FORMAT	0x01
179 #define LPFC_DB_LIST_FORMAT	0x02
180 	uint8_t q_flag;
181 #define HBA_NVMET_WQFULL	0x1 /* We hit WQ Full condition for NVMET */
182 	void __iomem *db_regaddr;
183 	uint16_t dpp_enable;
184 	uint16_t dpp_id;
185 	void __iomem *dpp_regaddr;
186 
187 	/* For q stats */
188 	uint32_t q_cnt_1;
189 	uint32_t q_cnt_2;
190 	uint32_t q_cnt_3;
191 	uint64_t q_cnt_4;
192 /* defines for EQ stats */
193 #define	EQ_max_eqe		q_cnt_1
194 #define	EQ_no_entry		q_cnt_2
195 #define	EQ_cqe_cnt		q_cnt_3
196 #define	EQ_processed		q_cnt_4
197 
198 /* defines for CQ stats */
199 #define	CQ_mbox			q_cnt_1
200 #define	CQ_max_cqe		q_cnt_1
201 #define	CQ_release_wqe		q_cnt_2
202 #define	CQ_xri_aborted		q_cnt_3
203 #define	CQ_wq			q_cnt_4
204 
205 /* defines for WQ stats */
206 #define	WQ_overflow		q_cnt_1
207 #define	WQ_posted		q_cnt_4
208 
209 /* defines for RQ stats */
210 #define	RQ_no_posted_buf	q_cnt_1
211 #define	RQ_no_buf_found		q_cnt_2
212 #define	RQ_buf_posted		q_cnt_3
213 #define	RQ_rcv_buf		q_cnt_4
214 
215 	struct work_struct irqwork;
216 	struct work_struct spwork;
217 
218 	uint64_t isr_timestamp;
219 	uint8_t	qe_valid;
220 	struct lpfc_queue *assoc_qp;
221 	union sli4_qe qe[1];	/* array to index entries (must be last) */
222 };
223 
224 struct lpfc_sli4_link {
225 	uint16_t speed;
226 	uint8_t duplex;
227 	uint8_t status;
228 	uint8_t type;
229 	uint8_t number;
230 	uint8_t fault;
231 	uint16_t logical_speed;
232 	uint16_t topology;
233 };
234 
235 struct lpfc_fcf_rec {
236 	uint8_t  fabric_name[8];
237 	uint8_t  switch_name[8];
238 	uint8_t  mac_addr[6];
239 	uint16_t fcf_indx;
240 	uint32_t priority;
241 	uint16_t vlan_id;
242 	uint32_t addr_mode;
243 	uint32_t flag;
244 #define BOOT_ENABLE	0x01
245 #define RECORD_VALID	0x02
246 };
247 
248 struct lpfc_fcf_pri_rec {
249 	uint16_t fcf_index;
250 #define LPFC_FCF_ON_PRI_LIST 0x0001
251 #define LPFC_FCF_FLOGI_FAILED 0x0002
252 	uint16_t flag;
253 	uint32_t priority;
254 };
255 
256 struct lpfc_fcf_pri {
257 	struct list_head list;
258 	struct lpfc_fcf_pri_rec fcf_rec;
259 };
260 
261 /*
262  * Maximum FCF table index, it is for driver internal book keeping, it
263  * just needs to be no less than the supported HBA's FCF table size.
264  */
265 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
266 
267 struct lpfc_fcf {
268 	uint16_t fcfi;
269 	uint32_t fcf_flag;
270 #define FCF_AVAILABLE	0x01 /* FCF available for discovery */
271 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
272 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
273 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
274 #define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
275 #define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
276 #define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
277 #define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
278 #define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
279 #define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
280 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
281 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
282 	uint32_t addr_mode;
283 	uint32_t eligible_fcf_cnt;
284 	struct lpfc_fcf_rec current_rec;
285 	struct lpfc_fcf_rec failover_rec;
286 	struct list_head fcf_pri_list;
287 	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
288 	uint32_t current_fcf_scan_pri;
289 	struct timer_list redisc_wait;
290 	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
291 };
292 
293 
294 #define LPFC_REGION23_SIGNATURE "RG23"
295 #define LPFC_REGION23_VERSION	1
296 #define LPFC_REGION23_LAST_REC  0xff
297 #define DRIVER_SPECIFIC_TYPE	0xA2
298 #define LINUX_DRIVER_ID		0x20
299 #define PORT_STE_TYPE		0x1
300 
301 struct lpfc_fip_param_hdr {
302 	uint8_t type;
303 #define FCOE_PARAM_TYPE		0xA0
304 	uint8_t length;
305 #define FCOE_PARAM_LENGTH	2
306 	uint8_t parm_version;
307 #define FIPP_VERSION		0x01
308 	uint8_t parm_flags;
309 #define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
310 #define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
311 #define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
312 #define	FIPP_MODE_ON				0x1
313 #define	FIPP_MODE_OFF				0x0
314 #define FIPP_VLAN_VALID				0x1
315 };
316 
317 struct lpfc_fcoe_params {
318 	uint8_t fc_map[3];
319 	uint8_t reserved1;
320 	uint16_t vlan_tag;
321 	uint8_t reserved[2];
322 };
323 
324 struct lpfc_fcf_conn_hdr {
325 	uint8_t type;
326 #define FCOE_CONN_TBL_TYPE		0xA1
327 	uint8_t length;   /* words */
328 	uint8_t reserved[2];
329 };
330 
331 struct lpfc_fcf_conn_rec {
332 	uint16_t flags;
333 #define	FCFCNCT_VALID		0x0001
334 #define	FCFCNCT_BOOT		0x0002
335 #define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
336 #define	FCFCNCT_FBNM_VALID	0x0008
337 #define	FCFCNCT_SWNM_VALID	0x0010
338 #define	FCFCNCT_VLAN_VALID	0x0020
339 #define	FCFCNCT_AM_VALID	0x0040
340 #define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
341 #define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
342 
343 	uint16_t vlan_tag;
344 	uint8_t fabric_name[8];
345 	uint8_t switch_name[8];
346 };
347 
348 struct lpfc_fcf_conn_entry {
349 	struct list_head list;
350 	struct lpfc_fcf_conn_rec conn_rec;
351 };
352 
353 /*
354  * Define the host's bootstrap mailbox.  This structure contains
355  * the member attributes needed to create, use, and destroy the
356  * bootstrap mailbox region.
357  *
358  * The macro definitions for the bmbx data structure are defined
359  * in lpfc_hw4.h with the register definition.
360  */
361 struct lpfc_bmbx {
362 	struct lpfc_dmabuf *dmabuf;
363 	struct dma_address dma_address;
364 	void *avirt;
365 	dma_addr_t aphys;
366 	uint32_t bmbx_size;
367 };
368 
369 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
370 
371 #define LPFC_EQE_SIZE_4B 	4
372 #define LPFC_EQE_SIZE_16B	16
373 #define LPFC_CQE_SIZE		16
374 #define LPFC_WQE_SIZE		64
375 #define LPFC_WQE128_SIZE	128
376 #define LPFC_MQE_SIZE		256
377 #define LPFC_RQE_SIZE		8
378 
379 #define LPFC_EQE_DEF_COUNT	1024
380 #define LPFC_CQE_DEF_COUNT      1024
381 #define LPFC_CQE_EXP_COUNT      4096
382 #define LPFC_WQE_DEF_COUNT      256
383 #define LPFC_WQE_EXP_COUNT      1024
384 #define LPFC_MQE_DEF_COUNT      16
385 #define LPFC_RQE_DEF_COUNT	512
386 
387 #define LPFC_QUEUE_NOARM	false
388 #define LPFC_QUEUE_REARM	true
389 
390 
391 /*
392  * SLI4 CT field defines
393  */
394 #define SLI4_CT_RPI 0
395 #define SLI4_CT_VPI 1
396 #define SLI4_CT_VFI 2
397 #define SLI4_CT_FCFI 3
398 
399 /*
400  * SLI4 specific data structures
401  */
402 struct lpfc_max_cfg_param {
403 	uint16_t max_xri;
404 	uint16_t xri_base;
405 	uint16_t xri_used;
406 	uint16_t max_rpi;
407 	uint16_t rpi_base;
408 	uint16_t rpi_used;
409 	uint16_t max_vpi;
410 	uint16_t vpi_base;
411 	uint16_t vpi_used;
412 	uint16_t max_vfi;
413 	uint16_t vfi_base;
414 	uint16_t vfi_used;
415 	uint16_t max_fcfi;
416 	uint16_t fcfi_used;
417 	uint16_t max_eq;
418 	uint16_t max_rq;
419 	uint16_t max_cq;
420 	uint16_t max_wq;
421 };
422 
423 struct lpfc_hba;
424 /* SLI4 HBA multi-fcp queue handler struct */
425 #define LPFC_SLI4_HANDLER_NAME_SZ	16
426 struct lpfc_hba_eq_hdl {
427 	uint32_t idx;
428 	char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
429 	struct lpfc_hba *phba;
430 	atomic_t hba_eq_in_use;
431 	struct cpumask *cpumask;
432 	/* CPU affinitsed to or 0xffffffff if multiple */
433 	uint32_t cpu;
434 #define LPFC_MULTI_CPU_AFFINITY 0xffffffff
435 };
436 
437 /*BB Credit recovery value*/
438 struct lpfc_bbscn_params {
439 	uint32_t word0;
440 #define lpfc_bbscn_min_SHIFT		0
441 #define lpfc_bbscn_min_MASK		0x0000000F
442 #define lpfc_bbscn_min_WORD		word0
443 #define lpfc_bbscn_max_SHIFT		4
444 #define lpfc_bbscn_max_MASK		0x0000000F
445 #define lpfc_bbscn_max_WORD		word0
446 #define lpfc_bbscn_def_SHIFT		8
447 #define lpfc_bbscn_def_MASK		0x0000000F
448 #define lpfc_bbscn_def_WORD		word0
449 };
450 
451 /* Port Capabilities for SLI4 Parameters */
452 struct lpfc_pc_sli4_params {
453 	uint32_t supported;
454 	uint32_t if_type;
455 	uint32_t sli_rev;
456 	uint32_t sli_family;
457 	uint32_t featurelevel_1;
458 	uint32_t featurelevel_2;
459 	uint32_t proto_types;
460 #define LPFC_SLI4_PROTO_FCOE	0x0000001
461 #define LPFC_SLI4_PROTO_FC	0x0000002
462 #define LPFC_SLI4_PROTO_NIC	0x0000004
463 #define LPFC_SLI4_PROTO_ISCSI	0x0000008
464 #define LPFC_SLI4_PROTO_RDMA	0x0000010
465 	uint32_t sge_supp_len;
466 	uint32_t if_page_sz;
467 	uint32_t rq_db_window;
468 	uint32_t loopbk_scope;
469 	uint32_t oas_supported;
470 	uint32_t eq_pages_max;
471 	uint32_t eqe_size;
472 	uint32_t cq_pages_max;
473 	uint32_t cqe_size;
474 	uint32_t mq_pages_max;
475 	uint32_t mqe_size;
476 	uint32_t mq_elem_cnt;
477 	uint32_t wq_pages_max;
478 	uint32_t wqe_size;
479 	uint32_t rq_pages_max;
480 	uint32_t rqe_size;
481 	uint32_t hdr_pages_max;
482 	uint32_t hdr_size;
483 	uint32_t hdr_pp_align;
484 	uint32_t sgl_pages_max;
485 	uint32_t sgl_pp_align;
486 	uint8_t cqv;
487 	uint8_t mqv;
488 	uint8_t wqv;
489 	uint8_t rqv;
490 	uint8_t eqav;
491 	uint8_t cqav;
492 	uint8_t wqsize;
493 #define LPFC_WQ_SZ64_SUPPORT	1
494 #define LPFC_WQ_SZ128_SUPPORT	2
495 	uint8_t wqpcnt;
496 };
497 
498 #define LPFC_CQ_4K_PAGE_SZ	0x1
499 #define LPFC_CQ_16K_PAGE_SZ	0x4
500 #define LPFC_WQ_4K_PAGE_SZ	0x1
501 #define LPFC_WQ_16K_PAGE_SZ	0x4
502 
503 struct lpfc_iov {
504 	uint32_t pf_number;
505 	uint32_t vf_number;
506 };
507 
508 struct lpfc_sli4_lnk_info {
509 	uint8_t lnk_dv;
510 #define LPFC_LNK_DAT_INVAL	0
511 #define LPFC_LNK_DAT_VAL	1
512 	uint8_t lnk_tp;
513 #define LPFC_LNK_GE	0x0 /* FCoE */
514 #define LPFC_LNK_FC	0x1 /* FC   */
515 	uint8_t lnk_no;
516 	uint8_t optic_state;
517 };
518 
519 #define LPFC_SLI4_HANDLER_CNT		(LPFC_HBA_IO_CHAN_MAX+ \
520 					 LPFC_FOF_IO_CHAN_NUM)
521 
522 /* Used for IRQ vector to CPU mapping */
523 struct lpfc_vector_map_info {
524 	uint16_t	phys_id;
525 	uint16_t	core_id;
526 	uint16_t	irq;
527 	uint16_t	channel_id;
528 };
529 #define LPFC_VECTOR_MAP_EMPTY	0xffff
530 
531 /* SLI4 HBA data structure entries */
532 struct lpfc_sli4_hba {
533 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
534 					   * config space registers
535 					   */
536 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
537 					   * control registers
538 					   */
539 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
540 					   * doorbell registers
541 					   */
542 	void __iomem *dpp_regs_memmap_p;  /* Kernel memory mapped address for
543 					   * dpp registers
544 					   */
545 	union {
546 		struct {
547 			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
548 			void __iomem *UERRLOregaddr;
549 			void __iomem *UERRHIregaddr;
550 			void __iomem *UEMASKLOregaddr;
551 			void __iomem *UEMASKHIregaddr;
552 		} if_type0;
553 		struct {
554 			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
555 			void __iomem *STATUSregaddr;
556 			void __iomem *CTRLregaddr;
557 			void __iomem *ERR1regaddr;
558 #define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
559 #define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
560 			void __iomem *ERR2regaddr;
561 #define SLIPORT_ERR2_REG_FW_RESTART		0x0
562 #define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
563 #define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
564 #define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
565 #define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
566 #define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
567 #define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
568 			void __iomem *EQDregaddr;
569 		} if_type2;
570 	} u;
571 
572 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
573 	void __iomem *PSMPHRregaddr;
574 
575 	/* Well-known SLI INTF register memory map. */
576 	void __iomem *SLIINTFregaddr;
577 
578 	/* IF type 0, BAR 1 function CSR register memory map */
579 	void __iomem *ISRregaddr;	/* HST_ISR register */
580 	void __iomem *IMRregaddr;	/* HST_IMR register */
581 	void __iomem *ISCRregaddr;	/* HST_ISCR register */
582 	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
583 	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
584 	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
585 	void __iomem *CQDBregaddr;	/* CQ_DOORBELL register */
586 	void __iomem *EQDBregaddr;	/* EQ_DOORBELL register */
587 	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
588 	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
589 
590 	uint32_t ue_mask_lo;
591 	uint32_t ue_mask_hi;
592 	uint32_t ue_to_sr;
593 	uint32_t ue_to_rp;
594 	struct lpfc_register sli_intf;
595 	struct lpfc_pc_sli4_params pc_sli4_params;
596 	struct lpfc_bbscn_params bbscn_params;
597 	struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
598 
599 	void (*sli4_eq_clr_intr)(struct lpfc_queue *q);
600 	uint32_t (*sli4_eq_release)(struct lpfc_queue *q, bool arm);
601 	uint32_t (*sli4_cq_release)(struct lpfc_queue *q, bool arm);
602 
603 	/* Pointers to the constructed SLI4 queues */
604 	struct lpfc_queue **hba_eq;  /* Event queues for HBA */
605 	struct lpfc_queue **fcp_cq;  /* Fast-path FCP compl queue */
606 	struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */
607 	struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
608 	struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
609 	struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
610 	struct lpfc_queue **fcp_wq;  /* Fast-path FCP work queue */
611 	struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */
612 	uint16_t *fcp_cq_map;
613 	uint16_t *nvme_cq_map;
614 	struct list_head lpfc_wq_list;
615 
616 	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
617 	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
618 	struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
619 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
620 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
621 	struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
622 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
623 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
624 
625 	struct lpfc_name wwnn;
626 	struct lpfc_name wwpn;
627 
628 	uint32_t fw_func_mode;	/* FW function protocol mode */
629 	uint32_t ulp0_mode;	/* ULP0 protocol mode */
630 	uint32_t ulp1_mode;	/* ULP1 protocol mode */
631 
632 	struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
633 
634 	/* Optimized Access Storage specific queues/structures */
635 
636 	struct lpfc_queue *oas_cq; /* OAS completion queue */
637 	struct lpfc_queue *oas_wq; /* OAS Work queue */
638 	struct lpfc_sli_ring *oas_ring;
639 	uint64_t oas_next_lun;
640 	uint8_t oas_next_tgt_wwpn[8];
641 	uint8_t oas_next_vpt_wwpn[8];
642 
643 	/* Setup information for various queue parameters */
644 	int eq_esize;
645 	int eq_ecount;
646 	int cq_esize;
647 	int cq_ecount;
648 	int wq_esize;
649 	int wq_ecount;
650 	int mq_esize;
651 	int mq_ecount;
652 	int rq_esize;
653 	int rq_ecount;
654 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
655 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
656 
657 	uint32_t intr_enable;
658 	struct lpfc_bmbx bmbx;
659 	struct lpfc_max_cfg_param max_cfg_param;
660 	uint16_t extents_in_use; /* must allocate resource extents. */
661 	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
662 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
663 	uint16_t next_rpi;
664 	uint16_t nvme_xri_max;
665 	uint16_t nvme_xri_cnt;
666 	uint16_t nvme_xri_start;
667 	uint16_t scsi_xri_max;
668 	uint16_t scsi_xri_cnt;
669 	uint16_t scsi_xri_start;
670 	uint16_t els_xri_cnt;
671 	uint16_t nvmet_xri_cnt;
672 	uint16_t nvmet_io_wait_cnt;
673 	uint16_t nvmet_io_wait_total;
674 	struct list_head lpfc_els_sgl_list;
675 	struct list_head lpfc_abts_els_sgl_list;
676 	struct list_head lpfc_nvmet_sgl_list;
677 	struct list_head lpfc_abts_nvmet_ctx_list;
678 	struct list_head lpfc_abts_scsi_buf_list;
679 	struct list_head lpfc_abts_nvme_buf_list;
680 	struct list_head lpfc_nvmet_io_wait_list;
681 	struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
682 	struct lpfc_sglq **lpfc_sglq_active_list;
683 	struct list_head lpfc_rpi_hdr_list;
684 	unsigned long *rpi_bmask;
685 	uint16_t *rpi_ids;
686 	uint16_t rpi_count;
687 	struct list_head lpfc_rpi_blk_list;
688 	unsigned long *xri_bmask;
689 	uint16_t *xri_ids;
690 	struct list_head lpfc_xri_blk_list;
691 	unsigned long *vfi_bmask;
692 	uint16_t *vfi_ids;
693 	uint16_t vfi_count;
694 	struct list_head lpfc_vfi_blk_list;
695 	struct lpfc_sli4_flags sli4_flags;
696 	struct list_head sp_queue_event;
697 	struct list_head sp_cqe_event_pool;
698 	struct list_head sp_asynce_work_queue;
699 	struct list_head sp_fcp_xri_aborted_work_queue;
700 	struct list_head sp_els_xri_aborted_work_queue;
701 	struct list_head sp_unsol_work_queue;
702 	struct lpfc_sli4_link link_state;
703 	struct lpfc_sli4_lnk_info lnk_info;
704 	uint32_t pport_name_sta;
705 #define LPFC_SLI4_PPNAME_NON	0
706 #define LPFC_SLI4_PPNAME_GET	1
707 	struct lpfc_iov iov;
708 	spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
709 	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
710 	spinlock_t sgl_list_lock; /* list of aborted els IOs */
711 	spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
712 	uint32_t physical_port;
713 
714 	/* CPU to vector mapping information */
715 	struct lpfc_vector_map_info *cpu_map;
716 	uint16_t num_online_cpu;
717 	uint16_t num_present_cpu;
718 	uint16_t curr_disp_cpu;
719 };
720 
721 enum lpfc_sge_type {
722 	GEN_BUFF_TYPE,
723 	SCSI_BUFF_TYPE,
724 	NVMET_BUFF_TYPE
725 };
726 
727 enum lpfc_sgl_state {
728 	SGL_FREED,
729 	SGL_ALLOCATED,
730 	SGL_XRI_ABORTED
731 };
732 
733 struct lpfc_sglq {
734 	/* lpfc_sglqs are used in double linked lists */
735 	struct list_head list;
736 	struct list_head clist;
737 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
738 	enum lpfc_sgl_state state;
739 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
740 	uint16_t iotag;         /* pre-assigned IO tag */
741 	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
742 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
743 	struct sli4_sge *sgl;	/* pre-assigned SGL */
744 	void *virt;		/* virtual address. */
745 	dma_addr_t phys;	/* physical address */
746 };
747 
748 struct lpfc_rpi_hdr {
749 	struct list_head list;
750 	uint32_t len;
751 	struct lpfc_dmabuf *dmabuf;
752 	uint32_t page_count;
753 	uint32_t start_rpi;
754 	uint16_t next_rpi;
755 };
756 
757 struct lpfc_rsrc_blks {
758 	struct list_head list;
759 	uint16_t rsrc_start;
760 	uint16_t rsrc_size;
761 	uint16_t rsrc_used;
762 };
763 
764 struct lpfc_rdp_context {
765 	struct lpfc_nodelist *ndlp;
766 	uint16_t ox_id;
767 	uint16_t rx_id;
768 	READ_LNK_VAR link_stat;
769 	uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
770 	uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
771 	void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
772 };
773 
774 struct lpfc_lcb_context {
775 	uint8_t  sub_command;
776 	uint8_t  type;
777 	uint8_t  frequency;
778 	uint16_t ox_id;
779 	uint16_t rx_id;
780 	struct lpfc_nodelist *ndlp;
781 };
782 
783 
784 /*
785  * SLI4 specific function prototypes
786  */
787 int lpfc_pci_function_reset(struct lpfc_hba *);
788 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
789 int lpfc_sli4_hba_setup(struct lpfc_hba *);
790 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
791 		     uint8_t, uint32_t, bool);
792 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
793 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
794 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
795 			   struct lpfc_mbx_sge *);
796 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
797 			       uint16_t);
798 
799 void lpfc_sli4_hba_reset(struct lpfc_hba *);
800 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
801 					 uint32_t, uint32_t);
802 void lpfc_sli4_queue_free(struct lpfc_queue *);
803 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
804 int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
805 			     uint32_t numq, uint32_t imax);
806 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
807 			struct lpfc_queue *, uint32_t, uint32_t);
808 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
809 			struct lpfc_queue **eqp, uint32_t type,
810 			uint32_t subtype);
811 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
812 		       struct lpfc_queue *, uint32_t);
813 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
814 			struct lpfc_queue *, uint32_t);
815 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
816 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
817 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
818 			struct lpfc_queue **drqp, struct lpfc_queue **cqp,
819 			uint32_t subtype);
820 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
821 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
822 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
823 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
824 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
825 			 struct lpfc_queue *);
826 int lpfc_sli4_queue_setup(struct lpfc_hba *);
827 void lpfc_sli4_queue_unset(struct lpfc_hba *);
828 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
829 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
830 int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba);
831 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
832 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
833 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
834 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
835 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
836 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
837 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
838 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
839 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
840 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
841 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
842 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
843 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
844 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
845 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
846 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
847 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
848 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
849 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
850 			void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
851 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
852 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
853 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
854 			       struct sli4_wcqe_xri_aborted *);
855 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
856 				struct sli4_wcqe_xri_aborted *axri);
857 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
858 				 struct sli4_wcqe_xri_aborted *axri);
859 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
860 			       struct sli4_wcqe_xri_aborted *);
861 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
862 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
863 int lpfc_sli4_brdreset(struct lpfc_hba *);
864 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
865 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
866 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
867 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
868 int lpfc_sli4_init_vpi(struct lpfc_vport *);
869 inline void lpfc_sli4_eq_clr_intr(struct lpfc_queue *);
870 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
871 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
872 inline void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q);
873 uint32_t lpfc_sli4_if6_cq_release(struct lpfc_queue *q, bool arm);
874 uint32_t lpfc_sli4_if6_eq_release(struct lpfc_queue *q, bool arm);
875 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
876 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
877 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
878 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
879 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
880 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
881 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
882 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
883 int lpfc_sli4_post_status_check(struct lpfc_hba *);
884 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
885 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
886