xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_sli4.h (revision 726bd223)
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_RELEASE_NOTIFICATION_INTERVAL	32
28 #define LPFC_RPI_LOW_WATER_MARK			10
29 
30 #define LPFC_UNREG_FCF                          1
31 #define LPFC_SKIP_UNREG_FCF                     0
32 
33 /* Amount of time in seconds for waiting FCF rediscovery to complete */
34 #define LPFC_FCF_REDISCOVER_WAIT_TMO		2000 /* msec */
35 
36 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
37 #define LPFC_NEMBED_MBOX_SGL_CNT		254
38 
39 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
40 #define LPFC_HBA_IO_CHAN_MIN	0
41 #define LPFC_HBA_IO_CHAN_MAX	32
42 #define LPFC_FCP_IO_CHAN_DEF	4
43 #define LPFC_NVME_IO_CHAN_DEF	0
44 
45 /* Number of channels used for Flash Optimized Fabric (FOF) operations */
46 
47 #define LPFC_FOF_IO_CHAN_NUM       1
48 
49 /*
50  * Provide the default FCF Record attributes used by the driver
51  * when nonFIP mode is configured and there is no other default
52  * FCF Record attributes.
53  */
54 #define LPFC_FCOE_FCF_DEF_INDEX	0
55 #define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
56 #define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF
57 
58 #define LPFC_FCOE_NULL_VID	0xFFF
59 #define LPFC_FCOE_IGNORE_VID	0xFFFF
60 
61 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
62 #define LPFC_FCOE_FCF_MAC3	0xFF
63 #define LPFC_FCOE_FCF_MAC4	0xFF
64 #define LPFC_FCOE_FCF_MAC5	0xFE
65 #define LPFC_FCOE_FCF_MAP0	0x0E
66 #define LPFC_FCOE_FCF_MAP1	0xFC
67 #define LPFC_FCOE_FCF_MAP2	0x00
68 #define LPFC_FCOE_MAX_RCV_SIZE	0x800
69 #define LPFC_FCOE_FKA_ADV_PER	0
70 #define LPFC_FCOE_FIP_PRIORITY	0x80
71 
72 #define sli4_sid_from_fc_hdr(fc_hdr)  \
73 	((fc_hdr)->fh_s_id[0] << 16 | \
74 	 (fc_hdr)->fh_s_id[1] <<  8 | \
75 	 (fc_hdr)->fh_s_id[2])
76 
77 #define sli4_did_from_fc_hdr(fc_hdr)  \
78 	((fc_hdr)->fh_d_id[0] << 16 | \
79 	 (fc_hdr)->fh_d_id[1] <<  8 | \
80 	 (fc_hdr)->fh_d_id[2])
81 
82 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
83 	((fc_hdr)->fh_f_ctl[0] << 16 | \
84 	 (fc_hdr)->fh_f_ctl[1] <<  8 | \
85 	 (fc_hdr)->fh_f_ctl[2])
86 
87 #define sli4_type_from_fc_hdr(fc_hdr)  \
88 	((fc_hdr)->fh_type)
89 
90 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
91 
92 #define INT_FW_UPGRADE	0
93 #define RUN_FW_UPGRADE	1
94 
95 enum lpfc_sli4_queue_type {
96 	LPFC_EQ,
97 	LPFC_GCQ,
98 	LPFC_MCQ,
99 	LPFC_WCQ,
100 	LPFC_RCQ,
101 	LPFC_MQ,
102 	LPFC_WQ,
103 	LPFC_HRQ,
104 	LPFC_DRQ
105 };
106 
107 /* The queue sub-type defines the functional purpose of the queue */
108 enum lpfc_sli4_queue_subtype {
109 	LPFC_NONE,
110 	LPFC_MBOX,
111 	LPFC_FCP,
112 	LPFC_ELS,
113 	LPFC_NVME,
114 	LPFC_NVMET,
115 	LPFC_NVME_LS,
116 	LPFC_USOL
117 };
118 
119 union sli4_qe {
120 	void *address;
121 	struct lpfc_eqe *eqe;
122 	struct lpfc_cqe *cqe;
123 	struct lpfc_mcqe *mcqe;
124 	struct lpfc_wcqe_complete *wcqe_complete;
125 	struct lpfc_wcqe_release *wcqe_release;
126 	struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
127 	struct lpfc_rcqe_complete *rcqe_complete;
128 	struct lpfc_mqe *mqe;
129 	union  lpfc_wqe *wqe;
130 	union  lpfc_wqe128 *wqe128;
131 	struct lpfc_rqe *rqe;
132 };
133 
134 /* RQ buffer list */
135 struct lpfc_rqb {
136 	uint16_t entry_count;	  /* Current number of RQ slots */
137 	uint16_t buffer_count;	  /* Current number of buffers posted */
138 	struct list_head rqb_buffer_list;  /* buffers assigned to this HBQ */
139 				  /* Callback for HBQ buffer allocation */
140 	struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
141 				  /* Callback for HBQ buffer free */
142 	void               (*rqb_free_buffer)(struct lpfc_hba *,
143 					       struct rqb_dmabuf *);
144 };
145 
146 struct lpfc_queue {
147 	struct list_head list;
148 	struct list_head wq_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_QUEUE_MIN_REPOST	8
159 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
160 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
161 	uint32_t page_count;	/* Number of pages allocated for this queue */
162 	uint32_t host_index;	/* The host's index for putting or getting */
163 	uint32_t hba_index;	/* The last known hba index for get or put */
164 
165 	struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
166 	struct lpfc_rqb *rqbp;	/* ptr to RQ buffers */
167 
168 	uint16_t sgl_list_cnt;
169 	uint16_t db_format;
170 #define LPFC_DB_RING_FORMAT	0x01
171 #define LPFC_DB_LIST_FORMAT	0x02
172 	void __iomem *db_regaddr;
173 	/* For q stats */
174 	uint32_t q_cnt_1;
175 	uint32_t q_cnt_2;
176 	uint32_t q_cnt_3;
177 	uint64_t q_cnt_4;
178 /* defines for EQ stats */
179 #define	EQ_max_eqe		q_cnt_1
180 #define	EQ_no_entry		q_cnt_2
181 #define	EQ_badstate		q_cnt_3
182 #define	EQ_processed		q_cnt_4
183 
184 /* defines for CQ stats */
185 #define	CQ_mbox			q_cnt_1
186 #define	CQ_max_cqe		q_cnt_1
187 #define	CQ_release_wqe		q_cnt_2
188 #define	CQ_xri_aborted		q_cnt_3
189 #define	CQ_wq			q_cnt_4
190 
191 /* defines for WQ stats */
192 #define	WQ_overflow		q_cnt_1
193 #define	WQ_posted		q_cnt_4
194 
195 /* defines for RQ stats */
196 #define	RQ_no_posted_buf	q_cnt_1
197 #define	RQ_no_buf_found		q_cnt_2
198 #define	RQ_buf_trunc		q_cnt_3
199 #define	RQ_rcv_buf		q_cnt_4
200 
201 	uint64_t isr_timestamp;
202 	struct lpfc_queue *assoc_qp;
203 	union sli4_qe qe[1];	/* array to index entries (must be last) */
204 };
205 
206 struct lpfc_sli4_link {
207 	uint16_t speed;
208 	uint8_t duplex;
209 	uint8_t status;
210 	uint8_t type;
211 	uint8_t number;
212 	uint8_t fault;
213 	uint16_t logical_speed;
214 	uint16_t topology;
215 };
216 
217 struct lpfc_fcf_rec {
218 	uint8_t  fabric_name[8];
219 	uint8_t  switch_name[8];
220 	uint8_t  mac_addr[6];
221 	uint16_t fcf_indx;
222 	uint32_t priority;
223 	uint16_t vlan_id;
224 	uint32_t addr_mode;
225 	uint32_t flag;
226 #define BOOT_ENABLE	0x01
227 #define RECORD_VALID	0x02
228 };
229 
230 struct lpfc_fcf_pri_rec {
231 	uint16_t fcf_index;
232 #define LPFC_FCF_ON_PRI_LIST 0x0001
233 #define LPFC_FCF_FLOGI_FAILED 0x0002
234 	uint16_t flag;
235 	uint32_t priority;
236 };
237 
238 struct lpfc_fcf_pri {
239 	struct list_head list;
240 	struct lpfc_fcf_pri_rec fcf_rec;
241 };
242 
243 /*
244  * Maximum FCF table index, it is for driver internal book keeping, it
245  * just needs to be no less than the supported HBA's FCF table size.
246  */
247 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
248 
249 struct lpfc_fcf {
250 	uint16_t fcfi;
251 	uint32_t fcf_flag;
252 #define FCF_AVAILABLE	0x01 /* FCF available for discovery */
253 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
254 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
255 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
256 #define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
257 #define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
258 #define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
259 #define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
260 #define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
261 #define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
262 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
263 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
264 	uint32_t addr_mode;
265 	uint32_t eligible_fcf_cnt;
266 	struct lpfc_fcf_rec current_rec;
267 	struct lpfc_fcf_rec failover_rec;
268 	struct list_head fcf_pri_list;
269 	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
270 	uint32_t current_fcf_scan_pri;
271 	struct timer_list redisc_wait;
272 	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
273 };
274 
275 
276 #define LPFC_REGION23_SIGNATURE "RG23"
277 #define LPFC_REGION23_VERSION	1
278 #define LPFC_REGION23_LAST_REC  0xff
279 #define DRIVER_SPECIFIC_TYPE	0xA2
280 #define LINUX_DRIVER_ID		0x20
281 #define PORT_STE_TYPE		0x1
282 
283 struct lpfc_fip_param_hdr {
284 	uint8_t type;
285 #define FCOE_PARAM_TYPE		0xA0
286 	uint8_t length;
287 #define FCOE_PARAM_LENGTH	2
288 	uint8_t parm_version;
289 #define FIPP_VERSION		0x01
290 	uint8_t parm_flags;
291 #define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
292 #define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
293 #define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
294 #define	FIPP_MODE_ON				0x1
295 #define	FIPP_MODE_OFF				0x0
296 #define FIPP_VLAN_VALID				0x1
297 };
298 
299 struct lpfc_fcoe_params {
300 	uint8_t fc_map[3];
301 	uint8_t reserved1;
302 	uint16_t vlan_tag;
303 	uint8_t reserved[2];
304 };
305 
306 struct lpfc_fcf_conn_hdr {
307 	uint8_t type;
308 #define FCOE_CONN_TBL_TYPE		0xA1
309 	uint8_t length;   /* words */
310 	uint8_t reserved[2];
311 };
312 
313 struct lpfc_fcf_conn_rec {
314 	uint16_t flags;
315 #define	FCFCNCT_VALID		0x0001
316 #define	FCFCNCT_BOOT		0x0002
317 #define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
318 #define	FCFCNCT_FBNM_VALID	0x0008
319 #define	FCFCNCT_SWNM_VALID	0x0010
320 #define	FCFCNCT_VLAN_VALID	0x0020
321 #define	FCFCNCT_AM_VALID	0x0040
322 #define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
323 #define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
324 
325 	uint16_t vlan_tag;
326 	uint8_t fabric_name[8];
327 	uint8_t switch_name[8];
328 };
329 
330 struct lpfc_fcf_conn_entry {
331 	struct list_head list;
332 	struct lpfc_fcf_conn_rec conn_rec;
333 };
334 
335 /*
336  * Define the host's bootstrap mailbox.  This structure contains
337  * the member attributes needed to create, use, and destroy the
338  * bootstrap mailbox region.
339  *
340  * The macro definitions for the bmbx data structure are defined
341  * in lpfc_hw4.h with the register definition.
342  */
343 struct lpfc_bmbx {
344 	struct lpfc_dmabuf *dmabuf;
345 	struct dma_address dma_address;
346 	void *avirt;
347 	dma_addr_t aphys;
348 	uint32_t bmbx_size;
349 };
350 
351 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
352 
353 #define LPFC_EQE_SIZE_4B 	4
354 #define LPFC_EQE_SIZE_16B	16
355 #define LPFC_CQE_SIZE		16
356 #define LPFC_WQE_SIZE		64
357 #define LPFC_WQE128_SIZE	128
358 #define LPFC_MQE_SIZE		256
359 #define LPFC_RQE_SIZE		8
360 
361 #define LPFC_EQE_DEF_COUNT	1024
362 #define LPFC_CQE_DEF_COUNT      1024
363 #define LPFC_WQE_DEF_COUNT      256
364 #define LPFC_WQE128_DEF_COUNT   128
365 #define LPFC_WQE128_MAX_COUNT   256
366 #define LPFC_MQE_DEF_COUNT      16
367 #define LPFC_RQE_DEF_COUNT	512
368 
369 #define LPFC_QUEUE_NOARM	false
370 #define LPFC_QUEUE_REARM	true
371 
372 
373 /*
374  * SLI4 CT field defines
375  */
376 #define SLI4_CT_RPI 0
377 #define SLI4_CT_VPI 1
378 #define SLI4_CT_VFI 2
379 #define SLI4_CT_FCFI 3
380 
381 /*
382  * SLI4 specific data structures
383  */
384 struct lpfc_max_cfg_param {
385 	uint16_t max_xri;
386 	uint16_t xri_base;
387 	uint16_t xri_used;
388 	uint16_t max_rpi;
389 	uint16_t rpi_base;
390 	uint16_t rpi_used;
391 	uint16_t max_vpi;
392 	uint16_t vpi_base;
393 	uint16_t vpi_used;
394 	uint16_t max_vfi;
395 	uint16_t vfi_base;
396 	uint16_t vfi_used;
397 	uint16_t max_fcfi;
398 	uint16_t fcfi_used;
399 	uint16_t max_eq;
400 	uint16_t max_rq;
401 	uint16_t max_cq;
402 	uint16_t max_wq;
403 };
404 
405 struct lpfc_hba;
406 /* SLI4 HBA multi-fcp queue handler struct */
407 struct lpfc_hba_eq_hdl {
408 	uint32_t idx;
409 	struct lpfc_hba *phba;
410 	atomic_t hba_eq_in_use;
411 	struct cpumask *cpumask;
412 	/* CPU affinitsed to or 0xffffffff if multiple */
413 	uint32_t cpu;
414 #define LPFC_MULTI_CPU_AFFINITY 0xffffffff
415 };
416 
417 /* Port Capabilities for SLI4 Parameters */
418 struct lpfc_pc_sli4_params {
419 	uint32_t supported;
420 	uint32_t if_type;
421 	uint32_t sli_rev;
422 	uint32_t sli_family;
423 	uint32_t featurelevel_1;
424 	uint32_t featurelevel_2;
425 	uint32_t proto_types;
426 #define LPFC_SLI4_PROTO_FCOE	0x0000001
427 #define LPFC_SLI4_PROTO_FC	0x0000002
428 #define LPFC_SLI4_PROTO_NIC	0x0000004
429 #define LPFC_SLI4_PROTO_ISCSI	0x0000008
430 #define LPFC_SLI4_PROTO_RDMA	0x0000010
431 	uint32_t sge_supp_len;
432 	uint32_t if_page_sz;
433 	uint32_t rq_db_window;
434 	uint32_t loopbk_scope;
435 	uint32_t oas_supported;
436 	uint32_t eq_pages_max;
437 	uint32_t eqe_size;
438 	uint32_t cq_pages_max;
439 	uint32_t cqe_size;
440 	uint32_t mq_pages_max;
441 	uint32_t mqe_size;
442 	uint32_t mq_elem_cnt;
443 	uint32_t wq_pages_max;
444 	uint32_t wqe_size;
445 	uint32_t rq_pages_max;
446 	uint32_t rqe_size;
447 	uint32_t hdr_pages_max;
448 	uint32_t hdr_size;
449 	uint32_t hdr_pp_align;
450 	uint32_t sgl_pages_max;
451 	uint32_t sgl_pp_align;
452 	uint8_t cqv;
453 	uint8_t mqv;
454 	uint8_t wqv;
455 	uint8_t rqv;
456 	uint8_t wqsize;
457 #define LPFC_WQ_SZ64_SUPPORT	1
458 #define LPFC_WQ_SZ128_SUPPORT	2
459 	uint8_t wqpcnt;
460 };
461 
462 struct lpfc_iov {
463 	uint32_t pf_number;
464 	uint32_t vf_number;
465 };
466 
467 struct lpfc_sli4_lnk_info {
468 	uint8_t lnk_dv;
469 #define LPFC_LNK_DAT_INVAL	0
470 #define LPFC_LNK_DAT_VAL	1
471 	uint8_t lnk_tp;
472 #define LPFC_LNK_GE	0x0 /* FCoE */
473 #define LPFC_LNK_FC	0x1 /* FC   */
474 	uint8_t lnk_no;
475 	uint8_t optic_state;
476 };
477 
478 #define LPFC_SLI4_HANDLER_CNT		(LPFC_HBA_IO_CHAN_MAX+ \
479 					 LPFC_FOF_IO_CHAN_NUM)
480 #define LPFC_SLI4_HANDLER_NAME_SZ	16
481 
482 /* Used for IRQ vector to CPU mapping */
483 struct lpfc_vector_map_info {
484 	uint16_t	phys_id;
485 	uint16_t	core_id;
486 	uint16_t	irq;
487 	uint16_t	channel_id;
488 };
489 #define LPFC_VECTOR_MAP_EMPTY	0xffff
490 
491 /* SLI4 HBA data structure entries */
492 struct lpfc_sli4_hba {
493 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
494 					     PCI BAR0, config space registers */
495 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
496 					     PCI BAR1, control registers */
497 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
498 					     PCI BAR2, doorbell registers */
499 	union {
500 		struct {
501 			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
502 			void __iomem *UERRLOregaddr;
503 			void __iomem *UERRHIregaddr;
504 			void __iomem *UEMASKLOregaddr;
505 			void __iomem *UEMASKHIregaddr;
506 		} if_type0;
507 		struct {
508 			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
509 			void __iomem *STATUSregaddr;
510 			void __iomem *CTRLregaddr;
511 			void __iomem *ERR1regaddr;
512 #define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
513 #define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
514 			void __iomem *ERR2regaddr;
515 #define SLIPORT_ERR2_REG_FW_RESTART		0x0
516 #define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
517 #define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
518 #define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
519 #define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
520 #define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
521 #define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
522 		} if_type2;
523 	} u;
524 
525 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
526 	void __iomem *PSMPHRregaddr;
527 
528 	/* Well-known SLI INTF register memory map. */
529 	void __iomem *SLIINTFregaddr;
530 
531 	/* IF type 0, BAR 1 function CSR register memory map */
532 	void __iomem *ISRregaddr;	/* HST_ISR register */
533 	void __iomem *IMRregaddr;	/* HST_IMR register */
534 	void __iomem *ISCRregaddr;	/* HST_ISCR register */
535 	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
536 	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
537 	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
538 	void __iomem *EQCQDBregaddr;	/* EQCQ_DOORBELL register */
539 	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
540 	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
541 
542 	uint32_t ue_mask_lo;
543 	uint32_t ue_mask_hi;
544 	uint32_t ue_to_sr;
545 	uint32_t ue_to_rp;
546 	struct lpfc_register sli_intf;
547 	struct lpfc_pc_sli4_params pc_sli4_params;
548 	uint8_t handler_name[LPFC_SLI4_HANDLER_CNT][LPFC_SLI4_HANDLER_NAME_SZ];
549 	struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
550 
551 	/* Pointers to the constructed SLI4 queues */
552 	struct lpfc_queue **hba_eq;  /* Event queues for HBA */
553 	struct lpfc_queue **fcp_cq;  /* Fast-path FCP compl queue */
554 	struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */
555 	struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
556 	struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
557 	struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
558 	struct lpfc_queue **fcp_wq;  /* Fast-path FCP work queue */
559 	struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */
560 	uint16_t *fcp_cq_map;
561 	uint16_t *nvme_cq_map;
562 	struct list_head lpfc_wq_list;
563 
564 	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
565 	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
566 	struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
567 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
568 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
569 	struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
570 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
571 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
572 
573 	struct lpfc_name wwnn;
574 	struct lpfc_name wwpn;
575 
576 	uint32_t fw_func_mode;	/* FW function protocol mode */
577 	uint32_t ulp0_mode;	/* ULP0 protocol mode */
578 	uint32_t ulp1_mode;	/* ULP1 protocol mode */
579 
580 	struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
581 
582 	/* Optimized Access Storage specific queues/structures */
583 
584 	struct lpfc_queue *oas_cq; /* OAS completion queue */
585 	struct lpfc_queue *oas_wq; /* OAS Work queue */
586 	struct lpfc_sli_ring *oas_ring;
587 	uint64_t oas_next_lun;
588 	uint8_t oas_next_tgt_wwpn[8];
589 	uint8_t oas_next_vpt_wwpn[8];
590 
591 	/* Setup information for various queue parameters */
592 	int eq_esize;
593 	int eq_ecount;
594 	int cq_esize;
595 	int cq_ecount;
596 	int wq_esize;
597 	int wq_ecount;
598 	int mq_esize;
599 	int mq_ecount;
600 	int rq_esize;
601 	int rq_ecount;
602 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
603 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
604 
605 	uint32_t intr_enable;
606 	struct lpfc_bmbx bmbx;
607 	struct lpfc_max_cfg_param max_cfg_param;
608 	uint16_t extents_in_use; /* must allocate resource extents. */
609 	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
610 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
611 	uint16_t next_rpi;
612 	uint16_t nvme_xri_max;
613 	uint16_t nvme_xri_cnt;
614 	uint16_t nvme_xri_start;
615 	uint16_t scsi_xri_max;
616 	uint16_t scsi_xri_cnt;
617 	uint16_t scsi_xri_start;
618 	uint16_t els_xri_cnt;
619 	uint16_t nvmet_xri_cnt;
620 	struct list_head lpfc_els_sgl_list;
621 	struct list_head lpfc_abts_els_sgl_list;
622 	struct list_head lpfc_nvmet_sgl_list;
623 	struct list_head lpfc_abts_nvmet_sgl_list;
624 	struct list_head lpfc_abts_scsi_buf_list;
625 	struct list_head lpfc_abts_nvme_buf_list;
626 	struct lpfc_sglq **lpfc_sglq_active_list;
627 	struct list_head lpfc_rpi_hdr_list;
628 	unsigned long *rpi_bmask;
629 	uint16_t *rpi_ids;
630 	uint16_t rpi_count;
631 	struct list_head lpfc_rpi_blk_list;
632 	unsigned long *xri_bmask;
633 	uint16_t *xri_ids;
634 	struct list_head lpfc_xri_blk_list;
635 	unsigned long *vfi_bmask;
636 	uint16_t *vfi_ids;
637 	uint16_t vfi_count;
638 	struct list_head lpfc_vfi_blk_list;
639 	struct lpfc_sli4_flags sli4_flags;
640 	struct list_head sp_queue_event;
641 	struct list_head sp_cqe_event_pool;
642 	struct list_head sp_asynce_work_queue;
643 	struct list_head sp_fcp_xri_aborted_work_queue;
644 	struct list_head sp_els_xri_aborted_work_queue;
645 	struct list_head sp_nvme_xri_aborted_work_queue;
646 	struct list_head sp_unsol_work_queue;
647 	struct lpfc_sli4_link link_state;
648 	struct lpfc_sli4_lnk_info lnk_info;
649 	uint32_t pport_name_sta;
650 #define LPFC_SLI4_PPNAME_NON	0
651 #define LPFC_SLI4_PPNAME_GET	1
652 	struct lpfc_iov iov;
653 	spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
654 	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
655 	spinlock_t sgl_list_lock; /* list of aborted els IOs */
656 	spinlock_t nvmet_io_lock;
657 	uint32_t physical_port;
658 
659 	/* CPU to vector mapping information */
660 	struct lpfc_vector_map_info *cpu_map;
661 	uint16_t num_online_cpu;
662 	uint16_t num_present_cpu;
663 	uint16_t curr_disp_cpu;
664 
665 	uint16_t nvmet_mrq_post_idx;
666 };
667 
668 enum lpfc_sge_type {
669 	GEN_BUFF_TYPE,
670 	SCSI_BUFF_TYPE,
671 	NVMET_BUFF_TYPE
672 };
673 
674 enum lpfc_sgl_state {
675 	SGL_FREED,
676 	SGL_ALLOCATED,
677 	SGL_XRI_ABORTED
678 };
679 
680 struct lpfc_sglq {
681 	/* lpfc_sglqs are used in double linked lists */
682 	struct list_head list;
683 	struct list_head clist;
684 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
685 	enum lpfc_sgl_state state;
686 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
687 	uint16_t iotag;         /* pre-assigned IO tag */
688 	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
689 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
690 	struct sli4_sge *sgl;	/* pre-assigned SGL */
691 	void *virt;		/* virtual address. */
692 	dma_addr_t phys;	/* physical address */
693 };
694 
695 struct lpfc_rpi_hdr {
696 	struct list_head list;
697 	uint32_t len;
698 	struct lpfc_dmabuf *dmabuf;
699 	uint32_t page_count;
700 	uint32_t start_rpi;
701 };
702 
703 struct lpfc_rsrc_blks {
704 	struct list_head list;
705 	uint16_t rsrc_start;
706 	uint16_t rsrc_size;
707 	uint16_t rsrc_used;
708 };
709 
710 struct lpfc_rdp_context {
711 	struct lpfc_nodelist *ndlp;
712 	uint16_t ox_id;
713 	uint16_t rx_id;
714 	READ_LNK_VAR link_stat;
715 	uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
716 	uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
717 	void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
718 };
719 
720 struct lpfc_lcb_context {
721 	uint8_t  sub_command;
722 	uint8_t  type;
723 	uint8_t  frequency;
724 	uint16_t ox_id;
725 	uint16_t rx_id;
726 	struct lpfc_nodelist *ndlp;
727 };
728 
729 
730 /*
731  * SLI4 specific function prototypes
732  */
733 int lpfc_pci_function_reset(struct lpfc_hba *);
734 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
735 int lpfc_sli4_hba_setup(struct lpfc_hba *);
736 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
737 		     uint8_t, uint32_t, bool);
738 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
739 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
740 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
741 			   struct lpfc_mbx_sge *);
742 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
743 			       uint16_t);
744 
745 void lpfc_sli4_hba_reset(struct lpfc_hba *);
746 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
747 			uint32_t);
748 void lpfc_sli4_queue_free(struct lpfc_queue *);
749 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
750 int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq);
751 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
752 			struct lpfc_queue *, uint32_t, uint32_t);
753 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
754 			struct lpfc_queue **eqp, uint32_t type,
755 			uint32_t subtype);
756 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
757 		       struct lpfc_queue *, uint32_t);
758 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
759 			struct lpfc_queue *, uint32_t);
760 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
761 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
762 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
763 			struct lpfc_queue **drqp, struct lpfc_queue **cqp,
764 			uint32_t subtype);
765 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
766 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
767 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
768 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
769 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
770 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
771 			 struct lpfc_queue *);
772 int lpfc_sli4_queue_setup(struct lpfc_hba *);
773 void lpfc_sli4_queue_unset(struct lpfc_hba *);
774 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
775 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
776 int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba);
777 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
778 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
779 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
780 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
781 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
782 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
783 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
784 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
785 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
786 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
787 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
788 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
789 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
790 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
791 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
792 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
793 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
794 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
795 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
796 			void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
797 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
798 void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba);
799 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
800 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
801 			       struct sli4_wcqe_xri_aborted *);
802 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
803 				struct sli4_wcqe_xri_aborted *axri);
804 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
805 				 struct sli4_wcqe_xri_aborted *axri);
806 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
807 			       struct sli4_wcqe_xri_aborted *);
808 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
809 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
810 int lpfc_sli4_brdreset(struct lpfc_hba *);
811 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
812 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
813 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
814 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
815 int lpfc_sli4_init_vpi(struct lpfc_vport *);
816 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
817 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
818 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
819 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
820 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
821 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
822 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
823 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
824 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
825 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
826 int lpfc_sli4_post_status_check(struct lpfc_hba *);
827 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
828 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
829