xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_sli4.h (revision d2c43ff1)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017 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 	enum lpfc_sli4_queue_type type;
149 	enum lpfc_sli4_queue_subtype subtype;
150 	struct lpfc_hba *phba;
151 	struct list_head child_list;
152 	struct list_head page_list;
153 	struct list_head sgl_list;
154 	uint32_t entry_count;	/* Number of entries to support on the queue */
155 	uint32_t entry_size;	/* Size of each queue entry. */
156 	uint32_t entry_repost;	/* Count of entries before doorbell is rung */
157 #define LPFC_EQ_REPOST		8
158 #define LPFC_MQ_REPOST		8
159 #define LPFC_CQ_REPOST		64
160 #define LPFC_RQ_REPOST		64
161 #define LPFC_RELEASE_NOTIFICATION_INTERVAL	32  /* For WQs */
162 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
163 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
164 	uint32_t page_count;	/* Number of pages allocated for this queue */
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 db_format;
173 #define LPFC_DB_RING_FORMAT	0x01
174 #define LPFC_DB_LIST_FORMAT	0x02
175 	void __iomem *db_regaddr;
176 	/* For q stats */
177 	uint32_t q_cnt_1;
178 	uint32_t q_cnt_2;
179 	uint32_t q_cnt_3;
180 	uint64_t q_cnt_4;
181 /* defines for EQ stats */
182 #define	EQ_max_eqe		q_cnt_1
183 #define	EQ_no_entry		q_cnt_2
184 #define	EQ_cqe_cnt		q_cnt_3
185 #define	EQ_processed		q_cnt_4
186 
187 /* defines for CQ stats */
188 #define	CQ_mbox			q_cnt_1
189 #define	CQ_max_cqe		q_cnt_1
190 #define	CQ_release_wqe		q_cnt_2
191 #define	CQ_xri_aborted		q_cnt_3
192 #define	CQ_wq			q_cnt_4
193 
194 /* defines for WQ stats */
195 #define	WQ_overflow		q_cnt_1
196 #define	WQ_posted		q_cnt_4
197 
198 /* defines for RQ stats */
199 #define	RQ_no_posted_buf	q_cnt_1
200 #define	RQ_no_buf_found		q_cnt_2
201 #define	RQ_buf_posted		q_cnt_3
202 #define	RQ_rcv_buf		q_cnt_4
203 
204 	uint64_t isr_timestamp;
205 	struct lpfc_queue *assoc_qp;
206 	union sli4_qe qe[1];	/* array to index entries (must be last) */
207 };
208 
209 struct lpfc_sli4_link {
210 	uint16_t speed;
211 	uint8_t duplex;
212 	uint8_t status;
213 	uint8_t type;
214 	uint8_t number;
215 	uint8_t fault;
216 	uint16_t logical_speed;
217 	uint16_t topology;
218 };
219 
220 struct lpfc_fcf_rec {
221 	uint8_t  fabric_name[8];
222 	uint8_t  switch_name[8];
223 	uint8_t  mac_addr[6];
224 	uint16_t fcf_indx;
225 	uint32_t priority;
226 	uint16_t vlan_id;
227 	uint32_t addr_mode;
228 	uint32_t flag;
229 #define BOOT_ENABLE	0x01
230 #define RECORD_VALID	0x02
231 };
232 
233 struct lpfc_fcf_pri_rec {
234 	uint16_t fcf_index;
235 #define LPFC_FCF_ON_PRI_LIST 0x0001
236 #define LPFC_FCF_FLOGI_FAILED 0x0002
237 	uint16_t flag;
238 	uint32_t priority;
239 };
240 
241 struct lpfc_fcf_pri {
242 	struct list_head list;
243 	struct lpfc_fcf_pri_rec fcf_rec;
244 };
245 
246 /*
247  * Maximum FCF table index, it is for driver internal book keeping, it
248  * just needs to be no less than the supported HBA's FCF table size.
249  */
250 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
251 
252 struct lpfc_fcf {
253 	uint16_t fcfi;
254 	uint32_t fcf_flag;
255 #define FCF_AVAILABLE	0x01 /* FCF available for discovery */
256 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
257 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
258 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
259 #define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
260 #define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
261 #define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
262 #define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
263 #define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
264 #define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
265 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
266 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
267 	uint32_t addr_mode;
268 	uint32_t eligible_fcf_cnt;
269 	struct lpfc_fcf_rec current_rec;
270 	struct lpfc_fcf_rec failover_rec;
271 	struct list_head fcf_pri_list;
272 	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
273 	uint32_t current_fcf_scan_pri;
274 	struct timer_list redisc_wait;
275 	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
276 };
277 
278 
279 #define LPFC_REGION23_SIGNATURE "RG23"
280 #define LPFC_REGION23_VERSION	1
281 #define LPFC_REGION23_LAST_REC  0xff
282 #define DRIVER_SPECIFIC_TYPE	0xA2
283 #define LINUX_DRIVER_ID		0x20
284 #define PORT_STE_TYPE		0x1
285 
286 struct lpfc_fip_param_hdr {
287 	uint8_t type;
288 #define FCOE_PARAM_TYPE		0xA0
289 	uint8_t length;
290 #define FCOE_PARAM_LENGTH	2
291 	uint8_t parm_version;
292 #define FIPP_VERSION		0x01
293 	uint8_t parm_flags;
294 #define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
295 #define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
296 #define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
297 #define	FIPP_MODE_ON				0x1
298 #define	FIPP_MODE_OFF				0x0
299 #define FIPP_VLAN_VALID				0x1
300 };
301 
302 struct lpfc_fcoe_params {
303 	uint8_t fc_map[3];
304 	uint8_t reserved1;
305 	uint16_t vlan_tag;
306 	uint8_t reserved[2];
307 };
308 
309 struct lpfc_fcf_conn_hdr {
310 	uint8_t type;
311 #define FCOE_CONN_TBL_TYPE		0xA1
312 	uint8_t length;   /* words */
313 	uint8_t reserved[2];
314 };
315 
316 struct lpfc_fcf_conn_rec {
317 	uint16_t flags;
318 #define	FCFCNCT_VALID		0x0001
319 #define	FCFCNCT_BOOT		0x0002
320 #define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
321 #define	FCFCNCT_FBNM_VALID	0x0008
322 #define	FCFCNCT_SWNM_VALID	0x0010
323 #define	FCFCNCT_VLAN_VALID	0x0020
324 #define	FCFCNCT_AM_VALID	0x0040
325 #define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
326 #define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
327 
328 	uint16_t vlan_tag;
329 	uint8_t fabric_name[8];
330 	uint8_t switch_name[8];
331 };
332 
333 struct lpfc_fcf_conn_entry {
334 	struct list_head list;
335 	struct lpfc_fcf_conn_rec conn_rec;
336 };
337 
338 /*
339  * Define the host's bootstrap mailbox.  This structure contains
340  * the member attributes needed to create, use, and destroy the
341  * bootstrap mailbox region.
342  *
343  * The macro definitions for the bmbx data structure are defined
344  * in lpfc_hw4.h with the register definition.
345  */
346 struct lpfc_bmbx {
347 	struct lpfc_dmabuf *dmabuf;
348 	struct dma_address dma_address;
349 	void *avirt;
350 	dma_addr_t aphys;
351 	uint32_t bmbx_size;
352 };
353 
354 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
355 
356 #define LPFC_EQE_SIZE_4B 	4
357 #define LPFC_EQE_SIZE_16B	16
358 #define LPFC_CQE_SIZE		16
359 #define LPFC_WQE_SIZE		64
360 #define LPFC_WQE128_SIZE	128
361 #define LPFC_MQE_SIZE		256
362 #define LPFC_RQE_SIZE		8
363 
364 #define LPFC_EQE_DEF_COUNT	1024
365 #define LPFC_CQE_DEF_COUNT      1024
366 #define LPFC_WQE_DEF_COUNT      256
367 #define LPFC_WQE128_DEF_COUNT   128
368 #define LPFC_WQE128_MAX_COUNT   256
369 #define LPFC_MQE_DEF_COUNT      16
370 #define LPFC_RQE_DEF_COUNT	512
371 
372 #define LPFC_QUEUE_NOARM	false
373 #define LPFC_QUEUE_REARM	true
374 
375 
376 /*
377  * SLI4 CT field defines
378  */
379 #define SLI4_CT_RPI 0
380 #define SLI4_CT_VPI 1
381 #define SLI4_CT_VFI 2
382 #define SLI4_CT_FCFI 3
383 
384 /*
385  * SLI4 specific data structures
386  */
387 struct lpfc_max_cfg_param {
388 	uint16_t max_xri;
389 	uint16_t xri_base;
390 	uint16_t xri_used;
391 	uint16_t max_rpi;
392 	uint16_t rpi_base;
393 	uint16_t rpi_used;
394 	uint16_t max_vpi;
395 	uint16_t vpi_base;
396 	uint16_t vpi_used;
397 	uint16_t max_vfi;
398 	uint16_t vfi_base;
399 	uint16_t vfi_used;
400 	uint16_t max_fcfi;
401 	uint16_t fcfi_used;
402 	uint16_t max_eq;
403 	uint16_t max_rq;
404 	uint16_t max_cq;
405 	uint16_t max_wq;
406 };
407 
408 struct lpfc_hba;
409 /* SLI4 HBA multi-fcp queue handler struct */
410 #define LPFC_SLI4_HANDLER_NAME_SZ	16
411 struct lpfc_hba_eq_hdl {
412 	uint32_t idx;
413 	char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
414 	struct lpfc_hba *phba;
415 	atomic_t hba_eq_in_use;
416 	struct cpumask *cpumask;
417 	/* CPU affinitsed to or 0xffffffff if multiple */
418 	uint32_t cpu;
419 #define LPFC_MULTI_CPU_AFFINITY 0xffffffff
420 };
421 
422 /* Port Capabilities for SLI4 Parameters */
423 struct lpfc_pc_sli4_params {
424 	uint32_t supported;
425 	uint32_t if_type;
426 	uint32_t sli_rev;
427 	uint32_t sli_family;
428 	uint32_t featurelevel_1;
429 	uint32_t featurelevel_2;
430 	uint32_t proto_types;
431 #define LPFC_SLI4_PROTO_FCOE	0x0000001
432 #define LPFC_SLI4_PROTO_FC	0x0000002
433 #define LPFC_SLI4_PROTO_NIC	0x0000004
434 #define LPFC_SLI4_PROTO_ISCSI	0x0000008
435 #define LPFC_SLI4_PROTO_RDMA	0x0000010
436 	uint32_t sge_supp_len;
437 	uint32_t if_page_sz;
438 	uint32_t rq_db_window;
439 	uint32_t loopbk_scope;
440 	uint32_t oas_supported;
441 	uint32_t eq_pages_max;
442 	uint32_t eqe_size;
443 	uint32_t cq_pages_max;
444 	uint32_t cqe_size;
445 	uint32_t mq_pages_max;
446 	uint32_t mqe_size;
447 	uint32_t mq_elem_cnt;
448 	uint32_t wq_pages_max;
449 	uint32_t wqe_size;
450 	uint32_t rq_pages_max;
451 	uint32_t rqe_size;
452 	uint32_t hdr_pages_max;
453 	uint32_t hdr_size;
454 	uint32_t hdr_pp_align;
455 	uint32_t sgl_pages_max;
456 	uint32_t sgl_pp_align;
457 	uint8_t cqv;
458 	uint8_t mqv;
459 	uint8_t wqv;
460 	uint8_t rqv;
461 	uint8_t wqsize;
462 #define LPFC_WQ_SZ64_SUPPORT	1
463 #define LPFC_WQ_SZ128_SUPPORT	2
464 	uint8_t wqpcnt;
465 };
466 
467 struct lpfc_iov {
468 	uint32_t pf_number;
469 	uint32_t vf_number;
470 };
471 
472 struct lpfc_sli4_lnk_info {
473 	uint8_t lnk_dv;
474 #define LPFC_LNK_DAT_INVAL	0
475 #define LPFC_LNK_DAT_VAL	1
476 	uint8_t lnk_tp;
477 #define LPFC_LNK_GE	0x0 /* FCoE */
478 #define LPFC_LNK_FC	0x1 /* FC   */
479 	uint8_t lnk_no;
480 	uint8_t optic_state;
481 };
482 
483 #define LPFC_SLI4_HANDLER_CNT		(LPFC_HBA_IO_CHAN_MAX+ \
484 					 LPFC_FOF_IO_CHAN_NUM)
485 
486 /* Used for IRQ vector to CPU mapping */
487 struct lpfc_vector_map_info {
488 	uint16_t	phys_id;
489 	uint16_t	core_id;
490 	uint16_t	irq;
491 	uint16_t	channel_id;
492 };
493 #define LPFC_VECTOR_MAP_EMPTY	0xffff
494 
495 /* SLI4 HBA data structure entries */
496 struct lpfc_sli4_hba {
497 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
498 					     PCI BAR0, config space registers */
499 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
500 					     PCI BAR1, control registers */
501 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
502 					     PCI BAR2, doorbell registers */
503 	union {
504 		struct {
505 			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
506 			void __iomem *UERRLOregaddr;
507 			void __iomem *UERRHIregaddr;
508 			void __iomem *UEMASKLOregaddr;
509 			void __iomem *UEMASKHIregaddr;
510 		} if_type0;
511 		struct {
512 			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
513 			void __iomem *STATUSregaddr;
514 			void __iomem *CTRLregaddr;
515 			void __iomem *ERR1regaddr;
516 #define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
517 #define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
518 			void __iomem *ERR2regaddr;
519 #define SLIPORT_ERR2_REG_FW_RESTART		0x0
520 #define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
521 #define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
522 #define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
523 #define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
524 #define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
525 #define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
526 			void __iomem *EQDregaddr;
527 		} if_type2;
528 	} u;
529 
530 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
531 	void __iomem *PSMPHRregaddr;
532 
533 	/* Well-known SLI INTF register memory map. */
534 	void __iomem *SLIINTFregaddr;
535 
536 	/* IF type 0, BAR 1 function CSR register memory map */
537 	void __iomem *ISRregaddr;	/* HST_ISR register */
538 	void __iomem *IMRregaddr;	/* HST_IMR register */
539 	void __iomem *ISCRregaddr;	/* HST_ISCR register */
540 	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
541 	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
542 	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
543 	void __iomem *EQCQDBregaddr;	/* EQCQ_DOORBELL register */
544 	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
545 	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
546 
547 	uint32_t ue_mask_lo;
548 	uint32_t ue_mask_hi;
549 	uint32_t ue_to_sr;
550 	uint32_t ue_to_rp;
551 	struct lpfc_register sli_intf;
552 	struct lpfc_pc_sli4_params pc_sli4_params;
553 	struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
554 
555 	/* Pointers to the constructed SLI4 queues */
556 	struct lpfc_queue **hba_eq;  /* Event queues for HBA */
557 	struct lpfc_queue **fcp_cq;  /* Fast-path FCP compl queue */
558 	struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */
559 	struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
560 	struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
561 	struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
562 	struct lpfc_queue **fcp_wq;  /* Fast-path FCP work queue */
563 	struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */
564 	uint16_t *fcp_cq_map;
565 	uint16_t *nvme_cq_map;
566 	struct list_head lpfc_wq_list;
567 
568 	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
569 	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
570 	struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
571 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
572 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
573 	struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
574 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
575 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
576 
577 	struct lpfc_name wwnn;
578 	struct lpfc_name wwpn;
579 
580 	uint32_t fw_func_mode;	/* FW function protocol mode */
581 	uint32_t ulp0_mode;	/* ULP0 protocol mode */
582 	uint32_t ulp1_mode;	/* ULP1 protocol mode */
583 
584 	struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
585 
586 	/* Optimized Access Storage specific queues/structures */
587 
588 	struct lpfc_queue *oas_cq; /* OAS completion queue */
589 	struct lpfc_queue *oas_wq; /* OAS Work queue */
590 	struct lpfc_sli_ring *oas_ring;
591 	uint64_t oas_next_lun;
592 	uint8_t oas_next_tgt_wwpn[8];
593 	uint8_t oas_next_vpt_wwpn[8];
594 
595 	/* Setup information for various queue parameters */
596 	int eq_esize;
597 	int eq_ecount;
598 	int cq_esize;
599 	int cq_ecount;
600 	int wq_esize;
601 	int wq_ecount;
602 	int mq_esize;
603 	int mq_ecount;
604 	int rq_esize;
605 	int rq_ecount;
606 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
607 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
608 
609 	uint32_t intr_enable;
610 	struct lpfc_bmbx bmbx;
611 	struct lpfc_max_cfg_param max_cfg_param;
612 	uint16_t extents_in_use; /* must allocate resource extents. */
613 	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
614 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
615 	uint16_t next_rpi;
616 	uint16_t nvme_xri_max;
617 	uint16_t nvme_xri_cnt;
618 	uint16_t nvme_xri_start;
619 	uint16_t scsi_xri_max;
620 	uint16_t scsi_xri_cnt;
621 	uint16_t scsi_xri_start;
622 	uint16_t els_xri_cnt;
623 	uint16_t nvmet_xri_cnt;
624 	uint16_t nvmet_ctx_get_cnt;
625 	uint16_t nvmet_ctx_put_cnt;
626 	uint16_t nvmet_io_wait_cnt;
627 	uint16_t nvmet_io_wait_total;
628 	struct list_head lpfc_els_sgl_list;
629 	struct list_head lpfc_abts_els_sgl_list;
630 	struct list_head lpfc_nvmet_sgl_list;
631 	struct list_head lpfc_abts_nvmet_ctx_list;
632 	struct list_head lpfc_abts_scsi_buf_list;
633 	struct list_head lpfc_abts_nvme_buf_list;
634 	struct list_head lpfc_nvmet_ctx_get_list;
635 	struct list_head lpfc_nvmet_ctx_put_list;
636 	struct list_head lpfc_nvmet_io_wait_list;
637 	struct lpfc_sglq **lpfc_sglq_active_list;
638 	struct list_head lpfc_rpi_hdr_list;
639 	unsigned long *rpi_bmask;
640 	uint16_t *rpi_ids;
641 	uint16_t rpi_count;
642 	struct list_head lpfc_rpi_blk_list;
643 	unsigned long *xri_bmask;
644 	uint16_t *xri_ids;
645 	struct list_head lpfc_xri_blk_list;
646 	unsigned long *vfi_bmask;
647 	uint16_t *vfi_ids;
648 	uint16_t vfi_count;
649 	struct list_head lpfc_vfi_blk_list;
650 	struct lpfc_sli4_flags sli4_flags;
651 	struct list_head sp_queue_event;
652 	struct list_head sp_cqe_event_pool;
653 	struct list_head sp_asynce_work_queue;
654 	struct list_head sp_fcp_xri_aborted_work_queue;
655 	struct list_head sp_els_xri_aborted_work_queue;
656 	struct list_head sp_nvme_xri_aborted_work_queue;
657 	struct list_head sp_unsol_work_queue;
658 	struct lpfc_sli4_link link_state;
659 	struct lpfc_sli4_lnk_info lnk_info;
660 	uint32_t pport_name_sta;
661 #define LPFC_SLI4_PPNAME_NON	0
662 #define LPFC_SLI4_PPNAME_GET	1
663 	struct lpfc_iov iov;
664 	spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
665 	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
666 	spinlock_t sgl_list_lock; /* list of aborted els IOs */
667 	spinlock_t nvmet_ctx_get_lock; /* list of avail XRI contexts */
668 	spinlock_t nvmet_ctx_put_lock; /* list of avail XRI contexts */
669 	spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
670 	uint32_t physical_port;
671 
672 	/* CPU to vector mapping information */
673 	struct lpfc_vector_map_info *cpu_map;
674 	uint16_t num_online_cpu;
675 	uint16_t num_present_cpu;
676 	uint16_t curr_disp_cpu;
677 };
678 
679 enum lpfc_sge_type {
680 	GEN_BUFF_TYPE,
681 	SCSI_BUFF_TYPE,
682 	NVMET_BUFF_TYPE
683 };
684 
685 enum lpfc_sgl_state {
686 	SGL_FREED,
687 	SGL_ALLOCATED,
688 	SGL_XRI_ABORTED
689 };
690 
691 struct lpfc_sglq {
692 	/* lpfc_sglqs are used in double linked lists */
693 	struct list_head list;
694 	struct list_head clist;
695 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
696 	enum lpfc_sgl_state state;
697 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
698 	uint16_t iotag;         /* pre-assigned IO tag */
699 	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
700 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
701 	struct sli4_sge *sgl;	/* pre-assigned SGL */
702 	void *virt;		/* virtual address. */
703 	dma_addr_t phys;	/* physical address */
704 };
705 
706 struct lpfc_rpi_hdr {
707 	struct list_head list;
708 	uint32_t len;
709 	struct lpfc_dmabuf *dmabuf;
710 	uint32_t page_count;
711 	uint32_t start_rpi;
712 	uint16_t next_rpi;
713 };
714 
715 struct lpfc_rsrc_blks {
716 	struct list_head list;
717 	uint16_t rsrc_start;
718 	uint16_t rsrc_size;
719 	uint16_t rsrc_used;
720 };
721 
722 struct lpfc_rdp_context {
723 	struct lpfc_nodelist *ndlp;
724 	uint16_t ox_id;
725 	uint16_t rx_id;
726 	READ_LNK_VAR link_stat;
727 	uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
728 	uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
729 	void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
730 };
731 
732 struct lpfc_lcb_context {
733 	uint8_t  sub_command;
734 	uint8_t  type;
735 	uint8_t  frequency;
736 	uint16_t ox_id;
737 	uint16_t rx_id;
738 	struct lpfc_nodelist *ndlp;
739 };
740 
741 
742 /*
743  * SLI4 specific function prototypes
744  */
745 int lpfc_pci_function_reset(struct lpfc_hba *);
746 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
747 int lpfc_sli4_hba_setup(struct lpfc_hba *);
748 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
749 		     uint8_t, uint32_t, bool);
750 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
751 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
752 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
753 			   struct lpfc_mbx_sge *);
754 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
755 			       uint16_t);
756 
757 void lpfc_sli4_hba_reset(struct lpfc_hba *);
758 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
759 			uint32_t);
760 void lpfc_sli4_queue_free(struct lpfc_queue *);
761 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
762 int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
763 			     uint32_t numq, uint32_t imax);
764 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
765 			struct lpfc_queue *, uint32_t, uint32_t);
766 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
767 			struct lpfc_queue **eqp, uint32_t type,
768 			uint32_t subtype);
769 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
770 		       struct lpfc_queue *, uint32_t);
771 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
772 			struct lpfc_queue *, uint32_t);
773 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
774 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
775 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
776 			struct lpfc_queue **drqp, struct lpfc_queue **cqp,
777 			uint32_t subtype);
778 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
779 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
780 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
781 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
782 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
783 			 struct lpfc_queue *);
784 int lpfc_sli4_queue_setup(struct lpfc_hba *);
785 void lpfc_sli4_queue_unset(struct lpfc_hba *);
786 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
787 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
788 int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba);
789 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
790 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
791 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
792 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
793 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
794 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
795 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
796 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
797 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
798 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
799 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
800 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
801 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
802 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
803 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
804 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
805 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
806 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
807 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
808 			void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
809 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
810 void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba);
811 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
812 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
813 			       struct sli4_wcqe_xri_aborted *);
814 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
815 				struct sli4_wcqe_xri_aborted *axri);
816 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
817 				 struct sli4_wcqe_xri_aborted *axri);
818 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
819 			       struct sli4_wcqe_xri_aborted *);
820 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
821 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
822 int lpfc_sli4_brdreset(struct lpfc_hba *);
823 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
824 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
825 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
826 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
827 int lpfc_sli4_init_vpi(struct lpfc_vport *);
828 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
829 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
830 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
831 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
832 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
833 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
834 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
835 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
836 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
837 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
838 int lpfc_sli4_post_status_check(struct lpfc_hba *);
839 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
840 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
841