xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_sli4.h (revision 12eb4683)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2009-2013 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 /*
43  * Provide the default FCF Record attributes used by the driver
44  * when nonFIP mode is configured and there is no other default
45  * FCF Record attributes.
46  */
47 #define LPFC_FCOE_FCF_DEF_INDEX	0
48 #define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
49 #define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF
50 
51 #define LPFC_FCOE_NULL_VID	0xFFF
52 #define LPFC_FCOE_IGNORE_VID	0xFFFF
53 
54 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
55 #define LPFC_FCOE_FCF_MAC3	0xFF
56 #define LPFC_FCOE_FCF_MAC4	0xFF
57 #define LPFC_FCOE_FCF_MAC5	0xFE
58 #define LPFC_FCOE_FCF_MAP0	0x0E
59 #define LPFC_FCOE_FCF_MAP1	0xFC
60 #define LPFC_FCOE_FCF_MAP2	0x00
61 #define LPFC_FCOE_MAX_RCV_SIZE	0x800
62 #define LPFC_FCOE_FKA_ADV_PER	0
63 #define LPFC_FCOE_FIP_PRIORITY	0x80
64 
65 #define sli4_sid_from_fc_hdr(fc_hdr)  \
66 	((fc_hdr)->fh_s_id[0] << 16 | \
67 	 (fc_hdr)->fh_s_id[1] <<  8 | \
68 	 (fc_hdr)->fh_s_id[2])
69 
70 #define sli4_did_from_fc_hdr(fc_hdr)  \
71 	((fc_hdr)->fh_d_id[0] << 16 | \
72 	 (fc_hdr)->fh_d_id[1] <<  8 | \
73 	 (fc_hdr)->fh_d_id[2])
74 
75 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
76 	((fc_hdr)->fh_f_ctl[0] << 16 | \
77 	 (fc_hdr)->fh_f_ctl[1] <<  8 | \
78 	 (fc_hdr)->fh_f_ctl[2])
79 
80 #define sli4_type_from_fc_hdr(fc_hdr)  \
81 	((fc_hdr)->fh_type)
82 
83 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
84 
85 #define INT_FW_UPGRADE	0
86 #define RUN_FW_UPGRADE	1
87 
88 enum lpfc_sli4_queue_type {
89 	LPFC_EQ,
90 	LPFC_GCQ,
91 	LPFC_MCQ,
92 	LPFC_WCQ,
93 	LPFC_RCQ,
94 	LPFC_MQ,
95 	LPFC_WQ,
96 	LPFC_HRQ,
97 	LPFC_DRQ
98 };
99 
100 /* The queue sub-type defines the functional purpose of the queue */
101 enum lpfc_sli4_queue_subtype {
102 	LPFC_NONE,
103 	LPFC_MBOX,
104 	LPFC_FCP,
105 	LPFC_ELS,
106 	LPFC_USOL
107 };
108 
109 union sli4_qe {
110 	void *address;
111 	struct lpfc_eqe *eqe;
112 	struct lpfc_cqe *cqe;
113 	struct lpfc_mcqe *mcqe;
114 	struct lpfc_wcqe_complete *wcqe_complete;
115 	struct lpfc_wcqe_release *wcqe_release;
116 	struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
117 	struct lpfc_rcqe_complete *rcqe_complete;
118 	struct lpfc_mqe *mqe;
119 	union  lpfc_wqe *wqe;
120 	union  lpfc_wqe128 *wqe128;
121 	struct lpfc_rqe *rqe;
122 };
123 
124 struct lpfc_queue {
125 	struct list_head list;
126 	enum lpfc_sli4_queue_type type;
127 	enum lpfc_sli4_queue_subtype subtype;
128 	struct lpfc_hba *phba;
129 	struct list_head child_list;
130 	uint32_t entry_count;	/* Number of entries to support on the queue */
131 	uint32_t entry_size;	/* Size of each queue entry. */
132 	uint32_t entry_repost;	/* Count of entries before doorbell is rung */
133 #define LPFC_QUEUE_MIN_REPOST	8
134 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
135 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
136 	struct list_head page_list;
137 	uint32_t page_count;	/* Number of pages allocated for this queue */
138 	uint32_t host_index;	/* The host's index for putting or getting */
139 	uint32_t hba_index;	/* The last known hba index for get or put */
140 
141 	struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
142 
143 	uint16_t db_format;
144 #define LPFC_DB_RING_FORMAT	0x01
145 #define LPFC_DB_LIST_FORMAT	0x02
146 	void __iomem *db_regaddr;
147 	/* For q stats */
148 	uint32_t q_cnt_1;
149 	uint32_t q_cnt_2;
150 	uint32_t q_cnt_3;
151 	uint64_t q_cnt_4;
152 /* defines for EQ stats */
153 #define	EQ_max_eqe		q_cnt_1
154 #define	EQ_no_entry		q_cnt_2
155 #define	EQ_badstate		q_cnt_3
156 #define	EQ_processed		q_cnt_4
157 
158 /* defines for CQ stats */
159 #define	CQ_mbox			q_cnt_1
160 #define	CQ_max_cqe		q_cnt_1
161 #define	CQ_release_wqe		q_cnt_2
162 #define	CQ_xri_aborted		q_cnt_3
163 #define	CQ_wq			q_cnt_4
164 
165 /* defines for WQ stats */
166 #define	WQ_overflow		q_cnt_1
167 #define	WQ_posted		q_cnt_4
168 
169 /* defines for RQ stats */
170 #define	RQ_no_posted_buf	q_cnt_1
171 #define	RQ_no_buf_found		q_cnt_2
172 #define	RQ_buf_trunc		q_cnt_3
173 #define	RQ_rcv_buf		q_cnt_4
174 
175 	union sli4_qe qe[1];	/* array to index entries (must be last) */
176 };
177 
178 struct lpfc_sli4_link {
179 	uint16_t speed;
180 	uint8_t duplex;
181 	uint8_t status;
182 	uint8_t type;
183 	uint8_t number;
184 	uint8_t fault;
185 	uint16_t logical_speed;
186 	uint16_t topology;
187 };
188 
189 struct lpfc_fcf_rec {
190 	uint8_t  fabric_name[8];
191 	uint8_t  switch_name[8];
192 	uint8_t  mac_addr[6];
193 	uint16_t fcf_indx;
194 	uint32_t priority;
195 	uint16_t vlan_id;
196 	uint32_t addr_mode;
197 	uint32_t flag;
198 #define BOOT_ENABLE	0x01
199 #define RECORD_VALID	0x02
200 };
201 
202 struct lpfc_fcf_pri_rec {
203 	uint16_t fcf_index;
204 #define LPFC_FCF_ON_PRI_LIST 0x0001
205 #define LPFC_FCF_FLOGI_FAILED 0x0002
206 	uint16_t flag;
207 	uint32_t priority;
208 };
209 
210 struct lpfc_fcf_pri {
211 	struct list_head list;
212 	struct lpfc_fcf_pri_rec fcf_rec;
213 };
214 
215 /*
216  * Maximum FCF table index, it is for driver internal book keeping, it
217  * just needs to be no less than the supported HBA's FCF table size.
218  */
219 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
220 
221 struct lpfc_fcf {
222 	uint16_t fcfi;
223 	uint32_t fcf_flag;
224 #define FCF_AVAILABLE	0x01 /* FCF available for discovery */
225 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
226 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
227 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
228 #define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
229 #define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
230 #define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
231 #define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
232 #define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
233 #define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
234 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
235 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
236 	uint32_t addr_mode;
237 	uint32_t eligible_fcf_cnt;
238 	struct lpfc_fcf_rec current_rec;
239 	struct lpfc_fcf_rec failover_rec;
240 	struct list_head fcf_pri_list;
241 	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
242 	uint32_t current_fcf_scan_pri;
243 	struct timer_list redisc_wait;
244 	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
245 };
246 
247 
248 #define LPFC_REGION23_SIGNATURE "RG23"
249 #define LPFC_REGION23_VERSION	1
250 #define LPFC_REGION23_LAST_REC  0xff
251 #define DRIVER_SPECIFIC_TYPE	0xA2
252 #define LINUX_DRIVER_ID		0x20
253 #define PORT_STE_TYPE		0x1
254 
255 struct lpfc_fip_param_hdr {
256 	uint8_t type;
257 #define FCOE_PARAM_TYPE		0xA0
258 	uint8_t length;
259 #define FCOE_PARAM_LENGTH	2
260 	uint8_t parm_version;
261 #define FIPP_VERSION		0x01
262 	uint8_t parm_flags;
263 #define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
264 #define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
265 #define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
266 #define	FIPP_MODE_ON				0x1
267 #define	FIPP_MODE_OFF				0x0
268 #define FIPP_VLAN_VALID				0x1
269 };
270 
271 struct lpfc_fcoe_params {
272 	uint8_t fc_map[3];
273 	uint8_t reserved1;
274 	uint16_t vlan_tag;
275 	uint8_t reserved[2];
276 };
277 
278 struct lpfc_fcf_conn_hdr {
279 	uint8_t type;
280 #define FCOE_CONN_TBL_TYPE		0xA1
281 	uint8_t length;   /* words */
282 	uint8_t reserved[2];
283 };
284 
285 struct lpfc_fcf_conn_rec {
286 	uint16_t flags;
287 #define	FCFCNCT_VALID		0x0001
288 #define	FCFCNCT_BOOT		0x0002
289 #define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
290 #define	FCFCNCT_FBNM_VALID	0x0008
291 #define	FCFCNCT_SWNM_VALID	0x0010
292 #define	FCFCNCT_VLAN_VALID	0x0020
293 #define	FCFCNCT_AM_VALID	0x0040
294 #define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
295 #define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
296 
297 	uint16_t vlan_tag;
298 	uint8_t fabric_name[8];
299 	uint8_t switch_name[8];
300 };
301 
302 struct lpfc_fcf_conn_entry {
303 	struct list_head list;
304 	struct lpfc_fcf_conn_rec conn_rec;
305 };
306 
307 /*
308  * Define the host's bootstrap mailbox.  This structure contains
309  * the member attributes needed to create, use, and destroy the
310  * bootstrap mailbox region.
311  *
312  * The macro definitions for the bmbx data structure are defined
313  * in lpfc_hw4.h with the register definition.
314  */
315 struct lpfc_bmbx {
316 	struct lpfc_dmabuf *dmabuf;
317 	struct dma_address dma_address;
318 	void *avirt;
319 	dma_addr_t aphys;
320 	uint32_t bmbx_size;
321 };
322 
323 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
324 
325 #define LPFC_EQE_SIZE_4B 	4
326 #define LPFC_EQE_SIZE_16B	16
327 #define LPFC_CQE_SIZE		16
328 #define LPFC_WQE_SIZE		64
329 #define LPFC_WQE128_SIZE	128
330 #define LPFC_MQE_SIZE		256
331 #define LPFC_RQE_SIZE		8
332 
333 #define LPFC_EQE_DEF_COUNT	1024
334 #define LPFC_CQE_DEF_COUNT      1024
335 #define LPFC_WQE_DEF_COUNT      256
336 #define LPFC_WQE128_DEF_COUNT   128
337 #define LPFC_MQE_DEF_COUNT      16
338 #define LPFC_RQE_DEF_COUNT	512
339 
340 #define LPFC_QUEUE_NOARM	false
341 #define LPFC_QUEUE_REARM	true
342 
343 
344 /*
345  * SLI4 CT field defines
346  */
347 #define SLI4_CT_RPI 0
348 #define SLI4_CT_VPI 1
349 #define SLI4_CT_VFI 2
350 #define SLI4_CT_FCFI 3
351 
352 /*
353  * SLI4 specific data structures
354  */
355 struct lpfc_max_cfg_param {
356 	uint16_t max_xri;
357 	uint16_t xri_base;
358 	uint16_t xri_used;
359 	uint16_t max_rpi;
360 	uint16_t rpi_base;
361 	uint16_t rpi_used;
362 	uint16_t max_vpi;
363 	uint16_t vpi_base;
364 	uint16_t vpi_used;
365 	uint16_t max_vfi;
366 	uint16_t vfi_base;
367 	uint16_t vfi_used;
368 	uint16_t max_fcfi;
369 	uint16_t fcfi_used;
370 	uint16_t max_eq;
371 	uint16_t max_rq;
372 	uint16_t max_cq;
373 	uint16_t max_wq;
374 };
375 
376 struct lpfc_hba;
377 /* SLI4 HBA multi-fcp queue handler struct */
378 struct lpfc_fcp_eq_hdl {
379 	uint32_t idx;
380 	struct lpfc_hba *phba;
381 	atomic_t fcp_eq_in_use;
382 };
383 
384 /* Port Capabilities for SLI4 Parameters */
385 struct lpfc_pc_sli4_params {
386 	uint32_t supported;
387 	uint32_t if_type;
388 	uint32_t sli_rev;
389 	uint32_t sli_family;
390 	uint32_t featurelevel_1;
391 	uint32_t featurelevel_2;
392 	uint32_t proto_types;
393 #define LPFC_SLI4_PROTO_FCOE	0x0000001
394 #define LPFC_SLI4_PROTO_FC	0x0000002
395 #define LPFC_SLI4_PROTO_NIC	0x0000004
396 #define LPFC_SLI4_PROTO_ISCSI	0x0000008
397 #define LPFC_SLI4_PROTO_RDMA	0x0000010
398 	uint32_t sge_supp_len;
399 	uint32_t if_page_sz;
400 	uint32_t rq_db_window;
401 	uint32_t loopbk_scope;
402 	uint32_t eq_pages_max;
403 	uint32_t eqe_size;
404 	uint32_t cq_pages_max;
405 	uint32_t cqe_size;
406 	uint32_t mq_pages_max;
407 	uint32_t mqe_size;
408 	uint32_t mq_elem_cnt;
409 	uint32_t wq_pages_max;
410 	uint32_t wqe_size;
411 	uint32_t rq_pages_max;
412 	uint32_t rqe_size;
413 	uint32_t hdr_pages_max;
414 	uint32_t hdr_size;
415 	uint32_t hdr_pp_align;
416 	uint32_t sgl_pages_max;
417 	uint32_t sgl_pp_align;
418 	uint8_t cqv;
419 	uint8_t mqv;
420 	uint8_t wqv;
421 	uint8_t rqv;
422 	uint8_t wqsize;
423 #define LPFC_WQ_SZ64_SUPPORT	1
424 #define LPFC_WQ_SZ128_SUPPORT	2
425 };
426 
427 struct lpfc_iov {
428 	uint32_t pf_number;
429 	uint32_t vf_number;
430 };
431 
432 struct lpfc_sli4_lnk_info {
433 	uint8_t lnk_dv;
434 #define LPFC_LNK_DAT_INVAL	0
435 #define LPFC_LNK_DAT_VAL	1
436 	uint8_t lnk_tp;
437 #define LPFC_LNK_GE	0x0 /* FCoE */
438 #define LPFC_LNK_FC	0x1 /* FC   */
439 	uint8_t lnk_no;
440 };
441 
442 #define LPFC_SLI4_HANDLER_NAME_SZ	16
443 
444 /* Used for IRQ vector to CPU mapping */
445 struct lpfc_vector_map_info {
446 	uint16_t	phys_id;
447 	uint16_t	core_id;
448 	uint16_t	irq;
449 	uint16_t	channel_id;
450 	struct cpumask	maskbits;
451 };
452 #define LPFC_VECTOR_MAP_EMPTY	0xffff
453 
454 /* SLI4 HBA data structure entries */
455 struct lpfc_sli4_hba {
456 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
457 					     PCI BAR0, config space registers */
458 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
459 					     PCI BAR1, control registers */
460 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
461 					     PCI BAR2, doorbell registers */
462 	union {
463 		struct {
464 			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
465 			void __iomem *UERRLOregaddr;
466 			void __iomem *UERRHIregaddr;
467 			void __iomem *UEMASKLOregaddr;
468 			void __iomem *UEMASKHIregaddr;
469 		} if_type0;
470 		struct {
471 			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
472 			void __iomem *STATUSregaddr;
473 			void __iomem *CTRLregaddr;
474 			void __iomem *ERR1regaddr;
475 #define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
476 #define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
477 			void __iomem *ERR2regaddr;
478 #define SLIPORT_ERR2_REG_FW_RESTART		0x0
479 #define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
480 #define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
481 #define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
482 #define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
483 #define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
484 #define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
485 		} if_type2;
486 	} u;
487 
488 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
489 	void __iomem *PSMPHRregaddr;
490 
491 	/* Well-known SLI INTF register memory map. */
492 	void __iomem *SLIINTFregaddr;
493 
494 	/* IF type 0, BAR 1 function CSR register memory map */
495 	void __iomem *ISRregaddr;	/* HST_ISR register */
496 	void __iomem *IMRregaddr;	/* HST_IMR register */
497 	void __iomem *ISCRregaddr;	/* HST_ISCR register */
498 	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
499 	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
500 	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
501 	void __iomem *EQCQDBregaddr;	/* EQCQ_DOORBELL register */
502 	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
503 	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
504 
505 	uint32_t ue_mask_lo;
506 	uint32_t ue_mask_hi;
507 	struct lpfc_register sli_intf;
508 	struct lpfc_pc_sli4_params pc_sli4_params;
509 	struct msix_entry *msix_entries;
510 	uint8_t handler_name[LPFC_FCP_IO_CHAN_MAX][LPFC_SLI4_HANDLER_NAME_SZ];
511 	struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
512 
513 	/* Pointers to the constructed SLI4 queues */
514 	struct lpfc_queue **hba_eq;/* Event queues for HBA */
515 	struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
516 	struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
517 	uint16_t *fcp_cq_map;
518 
519 	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
520 	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
521 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
522 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
523 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
524 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
525 
526 	uint32_t fw_func_mode;	/* FW function protocol mode */
527 	uint32_t ulp0_mode;	/* ULP0 protocol mode */
528 	uint32_t ulp1_mode;	/* ULP1 protocol mode */
529 
530 	/* Setup information for various queue parameters */
531 	int eq_esize;
532 	int eq_ecount;
533 	int cq_esize;
534 	int cq_ecount;
535 	int wq_esize;
536 	int wq_ecount;
537 	int mq_esize;
538 	int mq_ecount;
539 	int rq_esize;
540 	int rq_ecount;
541 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
542 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
543 
544 	uint32_t intr_enable;
545 	struct lpfc_bmbx bmbx;
546 	struct lpfc_max_cfg_param max_cfg_param;
547 	uint16_t extents_in_use; /* must allocate resource extents. */
548 	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
549 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
550 	uint16_t next_rpi;
551 	uint16_t scsi_xri_max;
552 	uint16_t scsi_xri_cnt;
553 	uint16_t els_xri_cnt;
554 	uint16_t scsi_xri_start;
555 	struct list_head lpfc_free_sgl_list;
556 	struct list_head lpfc_sgl_list;
557 	struct list_head lpfc_abts_els_sgl_list;
558 	struct list_head lpfc_abts_scsi_buf_list;
559 	struct lpfc_sglq **lpfc_sglq_active_list;
560 	struct list_head lpfc_rpi_hdr_list;
561 	unsigned long *rpi_bmask;
562 	uint16_t *rpi_ids;
563 	uint16_t rpi_count;
564 	struct list_head lpfc_rpi_blk_list;
565 	unsigned long *xri_bmask;
566 	uint16_t *xri_ids;
567 	struct list_head lpfc_xri_blk_list;
568 	unsigned long *vfi_bmask;
569 	uint16_t *vfi_ids;
570 	uint16_t vfi_count;
571 	struct list_head lpfc_vfi_blk_list;
572 	struct lpfc_sli4_flags sli4_flags;
573 	struct list_head sp_queue_event;
574 	struct list_head sp_cqe_event_pool;
575 	struct list_head sp_asynce_work_queue;
576 	struct list_head sp_fcp_xri_aborted_work_queue;
577 	struct list_head sp_els_xri_aborted_work_queue;
578 	struct list_head sp_unsol_work_queue;
579 	struct lpfc_sli4_link link_state;
580 	struct lpfc_sli4_lnk_info lnk_info;
581 	uint32_t pport_name_sta;
582 #define LPFC_SLI4_PPNAME_NON	0
583 #define LPFC_SLI4_PPNAME_GET	1
584 	struct lpfc_iov iov;
585 	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
586 	spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
587 
588 	/* CPU to vector mapping information */
589 	struct lpfc_vector_map_info *cpu_map;
590 	uint16_t num_online_cpu;
591 	uint16_t num_present_cpu;
592 };
593 
594 enum lpfc_sge_type {
595 	GEN_BUFF_TYPE,
596 	SCSI_BUFF_TYPE
597 };
598 
599 enum lpfc_sgl_state {
600 	SGL_FREED,
601 	SGL_ALLOCATED,
602 	SGL_XRI_ABORTED
603 };
604 
605 struct lpfc_sglq {
606 	/* lpfc_sglqs are used in double linked lists */
607 	struct list_head list;
608 	struct list_head clist;
609 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
610 	enum lpfc_sgl_state state;
611 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
612 	uint16_t iotag;         /* pre-assigned IO tag */
613 	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
614 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
615 	struct sli4_sge *sgl;	/* pre-assigned SGL */
616 	void *virt;		/* virtual address. */
617 	dma_addr_t phys;	/* physical address */
618 };
619 
620 struct lpfc_rpi_hdr {
621 	struct list_head list;
622 	uint32_t len;
623 	struct lpfc_dmabuf *dmabuf;
624 	uint32_t page_count;
625 	uint32_t start_rpi;
626 };
627 
628 struct lpfc_rsrc_blks {
629 	struct list_head list;
630 	uint16_t rsrc_start;
631 	uint16_t rsrc_size;
632 	uint16_t rsrc_used;
633 };
634 
635 /*
636  * SLI4 specific function prototypes
637  */
638 int lpfc_pci_function_reset(struct lpfc_hba *);
639 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
640 int lpfc_sli4_hba_setup(struct lpfc_hba *);
641 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
642 		     uint8_t, uint32_t, bool);
643 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
644 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
645 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
646 			   struct lpfc_mbx_sge *);
647 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
648 			       uint16_t);
649 
650 void lpfc_sli4_hba_reset(struct lpfc_hba *);
651 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
652 			uint32_t);
653 void lpfc_sli4_queue_free(struct lpfc_queue *);
654 uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
655 uint32_t lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint16_t);
656 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
657 			struct lpfc_queue *, uint32_t, uint32_t);
658 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
659 		       struct lpfc_queue *, uint32_t);
660 uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
661 			struct lpfc_queue *, uint32_t);
662 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
663 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
664 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
665 uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
666 uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
667 uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
668 uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
669 uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
670 			 struct lpfc_queue *);
671 int lpfc_sli4_queue_setup(struct lpfc_hba *);
672 void lpfc_sli4_queue_unset(struct lpfc_hba *);
673 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
674 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
675 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
676 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
677 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
678 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
679 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
680 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
681 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
682 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
683 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
684 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
685 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
686 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
687 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
688 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
689 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
690 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
691 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
692 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
693 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
694 			void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
695 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
696 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
697 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
698 			       struct sli4_wcqe_xri_aborted *);
699 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
700 			       struct sli4_wcqe_xri_aborted *);
701 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
702 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
703 int lpfc_sli4_brdreset(struct lpfc_hba *);
704 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
705 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
706 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
707 int lpfc_sli4_init_vpi(struct lpfc_vport *);
708 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
709 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
710 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
711 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
712 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
713 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
714 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
715 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
716 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
717 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
718 int lpfc_sli4_post_status_check(struct lpfc_hba *);
719 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
720 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
721