xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_sli4.h (revision 80483c3a)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2009-2016 Emulex.  All rights reserved.           *
5  * EMULEX and SLI are trademarks of Emulex.                        *
6  * www.emulex.com                                                  *
7  *                                                                 *
8  * This program is free software; you can redistribute it and/or   *
9  * modify it under the terms of version 2 of the GNU General       *
10  * Public License as published by the Free Software Foundation.    *
11  * This program is distributed in the hope that it will be useful. *
12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
17  * more details, a copy of which can be found in the file COPYING  *
18  * included with this package.                                     *
19  *******************************************************************/
20 
21 #define LPFC_ACTIVE_MBOX_WAIT_CNT               100
22 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO		10000
23 #define LPFC_XRI_EXCH_BUSY_WAIT_T1   		10
24 #define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
25 #define LPFC_RELEASE_NOTIFICATION_INTERVAL	32
26 #define LPFC_RPI_LOW_WATER_MARK			10
27 
28 #define LPFC_UNREG_FCF                          1
29 #define LPFC_SKIP_UNREG_FCF                     0
30 
31 /* Amount of time in seconds for waiting FCF rediscovery to complete */
32 #define LPFC_FCF_REDISCOVER_WAIT_TMO		2000 /* msec */
33 
34 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
35 #define LPFC_NEMBED_MBOX_SGL_CNT		254
36 
37 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
38 #define LPFC_FCP_IO_CHAN_DEF       4
39 #define LPFC_FCP_IO_CHAN_MIN       1
40 #define LPFC_FCP_IO_CHAN_MAX       16
41 
42 /* Number of channels used for Flash Optimized Fabric (FOF) operations */
43 
44 #define LPFC_FOF_IO_CHAN_NUM       1
45 
46 /*
47  * Provide the default FCF Record attributes used by the driver
48  * when nonFIP mode is configured and there is no other default
49  * FCF Record attributes.
50  */
51 #define LPFC_FCOE_FCF_DEF_INDEX	0
52 #define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
53 #define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF
54 
55 #define LPFC_FCOE_NULL_VID	0xFFF
56 #define LPFC_FCOE_IGNORE_VID	0xFFFF
57 
58 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
59 #define LPFC_FCOE_FCF_MAC3	0xFF
60 #define LPFC_FCOE_FCF_MAC4	0xFF
61 #define LPFC_FCOE_FCF_MAC5	0xFE
62 #define LPFC_FCOE_FCF_MAP0	0x0E
63 #define LPFC_FCOE_FCF_MAP1	0xFC
64 #define LPFC_FCOE_FCF_MAP2	0x00
65 #define LPFC_FCOE_MAX_RCV_SIZE	0x800
66 #define LPFC_FCOE_FKA_ADV_PER	0
67 #define LPFC_FCOE_FIP_PRIORITY	0x80
68 
69 #define sli4_sid_from_fc_hdr(fc_hdr)  \
70 	((fc_hdr)->fh_s_id[0] << 16 | \
71 	 (fc_hdr)->fh_s_id[1] <<  8 | \
72 	 (fc_hdr)->fh_s_id[2])
73 
74 #define sli4_did_from_fc_hdr(fc_hdr)  \
75 	((fc_hdr)->fh_d_id[0] << 16 | \
76 	 (fc_hdr)->fh_d_id[1] <<  8 | \
77 	 (fc_hdr)->fh_d_id[2])
78 
79 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
80 	((fc_hdr)->fh_f_ctl[0] << 16 | \
81 	 (fc_hdr)->fh_f_ctl[1] <<  8 | \
82 	 (fc_hdr)->fh_f_ctl[2])
83 
84 #define sli4_type_from_fc_hdr(fc_hdr)  \
85 	((fc_hdr)->fh_type)
86 
87 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
88 
89 #define INT_FW_UPGRADE	0
90 #define RUN_FW_UPGRADE	1
91 
92 enum lpfc_sli4_queue_type {
93 	LPFC_EQ,
94 	LPFC_GCQ,
95 	LPFC_MCQ,
96 	LPFC_WCQ,
97 	LPFC_RCQ,
98 	LPFC_MQ,
99 	LPFC_WQ,
100 	LPFC_HRQ,
101 	LPFC_DRQ
102 };
103 
104 /* The queue sub-type defines the functional purpose of the queue */
105 enum lpfc_sli4_queue_subtype {
106 	LPFC_NONE,
107 	LPFC_MBOX,
108 	LPFC_FCP,
109 	LPFC_ELS,
110 	LPFC_USOL
111 };
112 
113 union sli4_qe {
114 	void *address;
115 	struct lpfc_eqe *eqe;
116 	struct lpfc_cqe *cqe;
117 	struct lpfc_mcqe *mcqe;
118 	struct lpfc_wcqe_complete *wcqe_complete;
119 	struct lpfc_wcqe_release *wcqe_release;
120 	struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
121 	struct lpfc_rcqe_complete *rcqe_complete;
122 	struct lpfc_mqe *mqe;
123 	union  lpfc_wqe *wqe;
124 	union  lpfc_wqe128 *wqe128;
125 	struct lpfc_rqe *rqe;
126 };
127 
128 struct lpfc_queue {
129 	struct list_head list;
130 	enum lpfc_sli4_queue_type type;
131 	enum lpfc_sli4_queue_subtype subtype;
132 	struct lpfc_hba *phba;
133 	struct list_head child_list;
134 	uint32_t entry_count;	/* Number of entries to support on the queue */
135 	uint32_t entry_size;	/* Size of each queue entry. */
136 	uint32_t entry_repost;	/* Count of entries before doorbell is rung */
137 #define LPFC_QUEUE_MIN_REPOST	8
138 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
139 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
140 	struct list_head page_list;
141 	uint32_t page_count;	/* Number of pages allocated for this queue */
142 	uint32_t host_index;	/* The host's index for putting or getting */
143 	uint32_t hba_index;	/* The last known hba index for get or put */
144 
145 	struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
146 
147 	uint16_t db_format;
148 #define LPFC_DB_RING_FORMAT	0x01
149 #define LPFC_DB_LIST_FORMAT	0x02
150 	void __iomem *db_regaddr;
151 	/* For q stats */
152 	uint32_t q_cnt_1;
153 	uint32_t q_cnt_2;
154 	uint32_t q_cnt_3;
155 	uint64_t q_cnt_4;
156 /* defines for EQ stats */
157 #define	EQ_max_eqe		q_cnt_1
158 #define	EQ_no_entry		q_cnt_2
159 #define	EQ_badstate		q_cnt_3
160 #define	EQ_processed		q_cnt_4
161 
162 /* defines for CQ stats */
163 #define	CQ_mbox			q_cnt_1
164 #define	CQ_max_cqe		q_cnt_1
165 #define	CQ_release_wqe		q_cnt_2
166 #define	CQ_xri_aborted		q_cnt_3
167 #define	CQ_wq			q_cnt_4
168 
169 /* defines for WQ stats */
170 #define	WQ_overflow		q_cnt_1
171 #define	WQ_posted		q_cnt_4
172 
173 /* defines for RQ stats */
174 #define	RQ_no_posted_buf	q_cnt_1
175 #define	RQ_no_buf_found		q_cnt_2
176 #define	RQ_buf_trunc		q_cnt_3
177 #define	RQ_rcv_buf		q_cnt_4
178 
179 	union sli4_qe qe[1];	/* array to index entries (must be last) */
180 };
181 
182 struct lpfc_sli4_link {
183 	uint16_t speed;
184 	uint8_t duplex;
185 	uint8_t status;
186 	uint8_t type;
187 	uint8_t number;
188 	uint8_t fault;
189 	uint16_t logical_speed;
190 	uint16_t topology;
191 };
192 
193 struct lpfc_fcf_rec {
194 	uint8_t  fabric_name[8];
195 	uint8_t  switch_name[8];
196 	uint8_t  mac_addr[6];
197 	uint16_t fcf_indx;
198 	uint32_t priority;
199 	uint16_t vlan_id;
200 	uint32_t addr_mode;
201 	uint32_t flag;
202 #define BOOT_ENABLE	0x01
203 #define RECORD_VALID	0x02
204 };
205 
206 struct lpfc_fcf_pri_rec {
207 	uint16_t fcf_index;
208 #define LPFC_FCF_ON_PRI_LIST 0x0001
209 #define LPFC_FCF_FLOGI_FAILED 0x0002
210 	uint16_t flag;
211 	uint32_t priority;
212 };
213 
214 struct lpfc_fcf_pri {
215 	struct list_head list;
216 	struct lpfc_fcf_pri_rec fcf_rec;
217 };
218 
219 /*
220  * Maximum FCF table index, it is for driver internal book keeping, it
221  * just needs to be no less than the supported HBA's FCF table size.
222  */
223 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
224 
225 struct lpfc_fcf {
226 	uint16_t fcfi;
227 	uint32_t fcf_flag;
228 #define FCF_AVAILABLE	0x01 /* FCF available for discovery */
229 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
230 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
231 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
232 #define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
233 #define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
234 #define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
235 #define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
236 #define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
237 #define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
238 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
239 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
240 	uint32_t addr_mode;
241 	uint32_t eligible_fcf_cnt;
242 	struct lpfc_fcf_rec current_rec;
243 	struct lpfc_fcf_rec failover_rec;
244 	struct list_head fcf_pri_list;
245 	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
246 	uint32_t current_fcf_scan_pri;
247 	struct timer_list redisc_wait;
248 	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
249 };
250 
251 
252 #define LPFC_REGION23_SIGNATURE "RG23"
253 #define LPFC_REGION23_VERSION	1
254 #define LPFC_REGION23_LAST_REC  0xff
255 #define DRIVER_SPECIFIC_TYPE	0xA2
256 #define LINUX_DRIVER_ID		0x20
257 #define PORT_STE_TYPE		0x1
258 
259 struct lpfc_fip_param_hdr {
260 	uint8_t type;
261 #define FCOE_PARAM_TYPE		0xA0
262 	uint8_t length;
263 #define FCOE_PARAM_LENGTH	2
264 	uint8_t parm_version;
265 #define FIPP_VERSION		0x01
266 	uint8_t parm_flags;
267 #define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
268 #define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
269 #define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
270 #define	FIPP_MODE_ON				0x1
271 #define	FIPP_MODE_OFF				0x0
272 #define FIPP_VLAN_VALID				0x1
273 };
274 
275 struct lpfc_fcoe_params {
276 	uint8_t fc_map[3];
277 	uint8_t reserved1;
278 	uint16_t vlan_tag;
279 	uint8_t reserved[2];
280 };
281 
282 struct lpfc_fcf_conn_hdr {
283 	uint8_t type;
284 #define FCOE_CONN_TBL_TYPE		0xA1
285 	uint8_t length;   /* words */
286 	uint8_t reserved[2];
287 };
288 
289 struct lpfc_fcf_conn_rec {
290 	uint16_t flags;
291 #define	FCFCNCT_VALID		0x0001
292 #define	FCFCNCT_BOOT		0x0002
293 #define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
294 #define	FCFCNCT_FBNM_VALID	0x0008
295 #define	FCFCNCT_SWNM_VALID	0x0010
296 #define	FCFCNCT_VLAN_VALID	0x0020
297 #define	FCFCNCT_AM_VALID	0x0040
298 #define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
299 #define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
300 
301 	uint16_t vlan_tag;
302 	uint8_t fabric_name[8];
303 	uint8_t switch_name[8];
304 };
305 
306 struct lpfc_fcf_conn_entry {
307 	struct list_head list;
308 	struct lpfc_fcf_conn_rec conn_rec;
309 };
310 
311 /*
312  * Define the host's bootstrap mailbox.  This structure contains
313  * the member attributes needed to create, use, and destroy the
314  * bootstrap mailbox region.
315  *
316  * The macro definitions for the bmbx data structure are defined
317  * in lpfc_hw4.h with the register definition.
318  */
319 struct lpfc_bmbx {
320 	struct lpfc_dmabuf *dmabuf;
321 	struct dma_address dma_address;
322 	void *avirt;
323 	dma_addr_t aphys;
324 	uint32_t bmbx_size;
325 };
326 
327 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
328 
329 #define LPFC_EQE_SIZE_4B 	4
330 #define LPFC_EQE_SIZE_16B	16
331 #define LPFC_CQE_SIZE		16
332 #define LPFC_WQE_SIZE		64
333 #define LPFC_WQE128_SIZE	128
334 #define LPFC_MQE_SIZE		256
335 #define LPFC_RQE_SIZE		8
336 
337 #define LPFC_EQE_DEF_COUNT	1024
338 #define LPFC_CQE_DEF_COUNT      1024
339 #define LPFC_WQE_DEF_COUNT      256
340 #define LPFC_WQE128_DEF_COUNT   128
341 #define LPFC_MQE_DEF_COUNT      16
342 #define LPFC_RQE_DEF_COUNT	512
343 
344 #define LPFC_QUEUE_NOARM	false
345 #define LPFC_QUEUE_REARM	true
346 
347 
348 /*
349  * SLI4 CT field defines
350  */
351 #define SLI4_CT_RPI 0
352 #define SLI4_CT_VPI 1
353 #define SLI4_CT_VFI 2
354 #define SLI4_CT_FCFI 3
355 
356 /*
357  * SLI4 specific data structures
358  */
359 struct lpfc_max_cfg_param {
360 	uint16_t max_xri;
361 	uint16_t xri_base;
362 	uint16_t xri_used;
363 	uint16_t max_rpi;
364 	uint16_t rpi_base;
365 	uint16_t rpi_used;
366 	uint16_t max_vpi;
367 	uint16_t vpi_base;
368 	uint16_t vpi_used;
369 	uint16_t max_vfi;
370 	uint16_t vfi_base;
371 	uint16_t vfi_used;
372 	uint16_t max_fcfi;
373 	uint16_t fcfi_used;
374 	uint16_t max_eq;
375 	uint16_t max_rq;
376 	uint16_t max_cq;
377 	uint16_t max_wq;
378 };
379 
380 struct lpfc_hba;
381 /* SLI4 HBA multi-fcp queue handler struct */
382 struct lpfc_fcp_eq_hdl {
383 	uint32_t idx;
384 	struct lpfc_hba *phba;
385 	atomic_t fcp_eq_in_use;
386 };
387 
388 /* Port Capabilities for SLI4 Parameters */
389 struct lpfc_pc_sli4_params {
390 	uint32_t supported;
391 	uint32_t if_type;
392 	uint32_t sli_rev;
393 	uint32_t sli_family;
394 	uint32_t featurelevel_1;
395 	uint32_t featurelevel_2;
396 	uint32_t proto_types;
397 #define LPFC_SLI4_PROTO_FCOE	0x0000001
398 #define LPFC_SLI4_PROTO_FC	0x0000002
399 #define LPFC_SLI4_PROTO_NIC	0x0000004
400 #define LPFC_SLI4_PROTO_ISCSI	0x0000008
401 #define LPFC_SLI4_PROTO_RDMA	0x0000010
402 	uint32_t sge_supp_len;
403 	uint32_t if_page_sz;
404 	uint32_t rq_db_window;
405 	uint32_t loopbk_scope;
406 	uint32_t oas_supported;
407 	uint32_t eq_pages_max;
408 	uint32_t eqe_size;
409 	uint32_t cq_pages_max;
410 	uint32_t cqe_size;
411 	uint32_t mq_pages_max;
412 	uint32_t mqe_size;
413 	uint32_t mq_elem_cnt;
414 	uint32_t wq_pages_max;
415 	uint32_t wqe_size;
416 	uint32_t rq_pages_max;
417 	uint32_t rqe_size;
418 	uint32_t hdr_pages_max;
419 	uint32_t hdr_size;
420 	uint32_t hdr_pp_align;
421 	uint32_t sgl_pages_max;
422 	uint32_t sgl_pp_align;
423 	uint8_t cqv;
424 	uint8_t mqv;
425 	uint8_t wqv;
426 	uint8_t rqv;
427 	uint8_t wqsize;
428 #define LPFC_WQ_SZ64_SUPPORT	1
429 #define LPFC_WQ_SZ128_SUPPORT	2
430 };
431 
432 struct lpfc_iov {
433 	uint32_t pf_number;
434 	uint32_t vf_number;
435 };
436 
437 struct lpfc_sli4_lnk_info {
438 	uint8_t lnk_dv;
439 #define LPFC_LNK_DAT_INVAL	0
440 #define LPFC_LNK_DAT_VAL	1
441 	uint8_t lnk_tp;
442 #define LPFC_LNK_GE	0x0 /* FCoE */
443 #define LPFC_LNK_FC	0x1 /* FC   */
444 	uint8_t lnk_no;
445 	uint8_t optic_state;
446 };
447 
448 #define LPFC_SLI4_HANDLER_CNT		(LPFC_FCP_IO_CHAN_MAX+ \
449 					 LPFC_FOF_IO_CHAN_NUM)
450 #define LPFC_SLI4_HANDLER_NAME_SZ	16
451 
452 /* Used for IRQ vector to CPU mapping */
453 struct lpfc_vector_map_info {
454 	uint16_t	phys_id;
455 	uint16_t	core_id;
456 	uint16_t	irq;
457 	uint16_t	channel_id;
458 };
459 #define LPFC_VECTOR_MAP_EMPTY	0xffff
460 
461 /* SLI4 HBA data structure entries */
462 struct lpfc_sli4_hba {
463 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
464 					     PCI BAR0, config space registers */
465 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
466 					     PCI BAR1, control registers */
467 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
468 					     PCI BAR2, doorbell registers */
469 	union {
470 		struct {
471 			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
472 			void __iomem *UERRLOregaddr;
473 			void __iomem *UERRHIregaddr;
474 			void __iomem *UEMASKLOregaddr;
475 			void __iomem *UEMASKHIregaddr;
476 		} if_type0;
477 		struct {
478 			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
479 			void __iomem *STATUSregaddr;
480 			void __iomem *CTRLregaddr;
481 			void __iomem *ERR1regaddr;
482 #define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
483 #define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
484 			void __iomem *ERR2regaddr;
485 #define SLIPORT_ERR2_REG_FW_RESTART		0x0
486 #define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
487 #define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
488 #define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
489 #define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
490 #define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
491 #define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
492 		} if_type2;
493 	} u;
494 
495 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
496 	void __iomem *PSMPHRregaddr;
497 
498 	/* Well-known SLI INTF register memory map. */
499 	void __iomem *SLIINTFregaddr;
500 
501 	/* IF type 0, BAR 1 function CSR register memory map */
502 	void __iomem *ISRregaddr;	/* HST_ISR register */
503 	void __iomem *IMRregaddr;	/* HST_IMR register */
504 	void __iomem *ISCRregaddr;	/* HST_ISCR register */
505 	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
506 	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
507 	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
508 	void __iomem *EQCQDBregaddr;	/* EQCQ_DOORBELL register */
509 	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
510 	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
511 
512 	uint32_t ue_mask_lo;
513 	uint32_t ue_mask_hi;
514 	uint32_t ue_to_sr;
515 	uint32_t ue_to_rp;
516 	struct lpfc_register sli_intf;
517 	struct lpfc_pc_sli4_params pc_sli4_params;
518 	struct msix_entry *msix_entries;
519 	uint8_t handler_name[LPFC_SLI4_HANDLER_CNT][LPFC_SLI4_HANDLER_NAME_SZ];
520 	struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
521 
522 	/* Pointers to the constructed SLI4 queues */
523 	struct lpfc_queue **hba_eq;/* Event queues for HBA */
524 	struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
525 	struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
526 	uint16_t *fcp_cq_map;
527 
528 	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
529 	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
530 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
531 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
532 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
533 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
534 
535 	uint32_t fw_func_mode;	/* FW function protocol mode */
536 	uint32_t ulp0_mode;	/* ULP0 protocol mode */
537 	uint32_t ulp1_mode;	/* ULP1 protocol mode */
538 
539 	struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
540 
541 	/* Optimized Access Storage specific queues/structures */
542 
543 	struct lpfc_queue *oas_cq; /* OAS completion queue */
544 	struct lpfc_queue *oas_wq; /* OAS Work queue */
545 	struct lpfc_sli_ring *oas_ring;
546 	uint64_t oas_next_lun;
547 	uint8_t oas_next_tgt_wwpn[8];
548 	uint8_t oas_next_vpt_wwpn[8];
549 
550 	/* Setup information for various queue parameters */
551 	int eq_esize;
552 	int eq_ecount;
553 	int cq_esize;
554 	int cq_ecount;
555 	int wq_esize;
556 	int wq_ecount;
557 	int mq_esize;
558 	int mq_ecount;
559 	int rq_esize;
560 	int rq_ecount;
561 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
562 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
563 
564 	uint32_t intr_enable;
565 	struct lpfc_bmbx bmbx;
566 	struct lpfc_max_cfg_param max_cfg_param;
567 	uint16_t extents_in_use; /* must allocate resource extents. */
568 	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
569 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
570 	uint16_t next_rpi;
571 	uint16_t scsi_xri_max;
572 	uint16_t scsi_xri_cnt;
573 	uint16_t els_xri_cnt;
574 	uint16_t scsi_xri_start;
575 	struct list_head lpfc_free_sgl_list;
576 	struct list_head lpfc_sgl_list;
577 	struct list_head lpfc_abts_els_sgl_list;
578 	struct list_head lpfc_abts_scsi_buf_list;
579 	struct lpfc_sglq **lpfc_sglq_active_list;
580 	struct list_head lpfc_rpi_hdr_list;
581 	unsigned long *rpi_bmask;
582 	uint16_t *rpi_ids;
583 	uint16_t rpi_count;
584 	struct list_head lpfc_rpi_blk_list;
585 	unsigned long *xri_bmask;
586 	uint16_t *xri_ids;
587 	struct list_head lpfc_xri_blk_list;
588 	unsigned long *vfi_bmask;
589 	uint16_t *vfi_ids;
590 	uint16_t vfi_count;
591 	struct list_head lpfc_vfi_blk_list;
592 	struct lpfc_sli4_flags sli4_flags;
593 	struct list_head sp_queue_event;
594 	struct list_head sp_cqe_event_pool;
595 	struct list_head sp_asynce_work_queue;
596 	struct list_head sp_fcp_xri_aborted_work_queue;
597 	struct list_head sp_els_xri_aborted_work_queue;
598 	struct list_head sp_unsol_work_queue;
599 	struct lpfc_sli4_link link_state;
600 	struct lpfc_sli4_lnk_info lnk_info;
601 	uint32_t pport_name_sta;
602 #define LPFC_SLI4_PPNAME_NON	0
603 #define LPFC_SLI4_PPNAME_GET	1
604 	struct lpfc_iov iov;
605 	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
606 	spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
607 	uint32_t physical_port;
608 
609 	/* CPU to vector mapping information */
610 	struct lpfc_vector_map_info *cpu_map;
611 	uint16_t num_online_cpu;
612 	uint16_t num_present_cpu;
613 	uint16_t curr_disp_cpu;
614 };
615 
616 enum lpfc_sge_type {
617 	GEN_BUFF_TYPE,
618 	SCSI_BUFF_TYPE
619 };
620 
621 enum lpfc_sgl_state {
622 	SGL_FREED,
623 	SGL_ALLOCATED,
624 	SGL_XRI_ABORTED
625 };
626 
627 struct lpfc_sglq {
628 	/* lpfc_sglqs are used in double linked lists */
629 	struct list_head list;
630 	struct list_head clist;
631 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
632 	enum lpfc_sgl_state state;
633 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
634 	uint16_t iotag;         /* pre-assigned IO tag */
635 	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
636 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
637 	struct sli4_sge *sgl;	/* pre-assigned SGL */
638 	void *virt;		/* virtual address. */
639 	dma_addr_t phys;	/* physical address */
640 };
641 
642 struct lpfc_rpi_hdr {
643 	struct list_head list;
644 	uint32_t len;
645 	struct lpfc_dmabuf *dmabuf;
646 	uint32_t page_count;
647 	uint32_t start_rpi;
648 };
649 
650 struct lpfc_rsrc_blks {
651 	struct list_head list;
652 	uint16_t rsrc_start;
653 	uint16_t rsrc_size;
654 	uint16_t rsrc_used;
655 };
656 
657 struct lpfc_rdp_context {
658 	struct lpfc_nodelist *ndlp;
659 	uint16_t ox_id;
660 	uint16_t rx_id;
661 	READ_LNK_VAR link_stat;
662 	uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
663 	uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
664 	void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
665 };
666 
667 struct lpfc_lcb_context {
668 	uint8_t  sub_command;
669 	uint8_t  type;
670 	uint8_t  frequency;
671 	uint16_t ox_id;
672 	uint16_t rx_id;
673 	struct lpfc_nodelist *ndlp;
674 };
675 
676 
677 /*
678  * SLI4 specific function prototypes
679  */
680 int lpfc_pci_function_reset(struct lpfc_hba *);
681 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
682 int lpfc_sli4_hba_setup(struct lpfc_hba *);
683 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
684 		     uint8_t, uint32_t, bool);
685 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
686 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
687 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
688 			   struct lpfc_mbx_sge *);
689 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
690 			       uint16_t);
691 
692 void lpfc_sli4_hba_reset(struct lpfc_hba *);
693 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
694 			uint32_t);
695 void lpfc_sli4_queue_free(struct lpfc_queue *);
696 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
697 int lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint32_t);
698 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
699 			struct lpfc_queue *, uint32_t, uint32_t);
700 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
701 		       struct lpfc_queue *, uint32_t);
702 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
703 			struct lpfc_queue *, uint32_t);
704 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
705 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
706 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
707 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
708 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
709 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
710 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
711 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
712 			 struct lpfc_queue *);
713 int lpfc_sli4_queue_setup(struct lpfc_hba *);
714 void lpfc_sli4_queue_unset(struct lpfc_hba *);
715 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
716 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
717 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
718 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
719 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
720 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
721 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
722 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
723 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
724 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
725 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
726 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
727 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
728 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
729 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
730 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
731 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
732 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
733 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
734 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
735 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
736 			void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
737 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
738 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
739 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
740 			       struct sli4_wcqe_xri_aborted *);
741 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
742 			       struct sli4_wcqe_xri_aborted *);
743 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
744 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
745 int lpfc_sli4_brdreset(struct lpfc_hba *);
746 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
747 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
748 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
749 int lpfc_sli4_init_vpi(struct lpfc_vport *);
750 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
751 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
752 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
753 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
754 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
755 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
756 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
757 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
758 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
759 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
760 int lpfc_sli4_post_status_check(struct lpfc_hba *);
761 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
762 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
763