xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_sli4.h (revision 9c1f8594)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2009-2011 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_GET_QE_REL_INT			32
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 fast-path FCP work queues */
39 #define LPFC_FN_EQN_MAX       8
40 #define LPFC_SP_EQN_DEF       1
41 #define LPFC_FP_EQN_DEF       4
42 #define LPFC_FP_EQN_MIN       1
43 #define LPFC_FP_EQN_MAX       (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
44 
45 #define LPFC_FN_WQN_MAX       32
46 #define LPFC_SP_WQN_DEF       1
47 #define LPFC_FP_WQN_DEF       4
48 #define LPFC_FP_WQN_MIN       1
49 #define LPFC_FP_WQN_MAX       (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)
50 
51 /*
52  * Provide the default FCF Record attributes used by the driver
53  * when nonFIP mode is configured and there is no other default
54  * FCF Record attributes.
55  */
56 #define LPFC_FCOE_FCF_DEF_INDEX	0
57 #define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
58 #define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF
59 
60 #define LPFC_FCOE_NULL_VID	0xFFF
61 #define LPFC_FCOE_IGNORE_VID	0xFFFF
62 
63 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
64 #define LPFC_FCOE_FCF_MAC3	0xFF
65 #define LPFC_FCOE_FCF_MAC4	0xFF
66 #define LPFC_FCOE_FCF_MAC5	0xFE
67 #define LPFC_FCOE_FCF_MAP0	0x0E
68 #define LPFC_FCOE_FCF_MAP1	0xFC
69 #define LPFC_FCOE_FCF_MAP2	0x00
70 #define LPFC_FCOE_MAX_RCV_SIZE	0x800
71 #define LPFC_FCOE_FKA_ADV_PER	0
72 #define LPFC_FCOE_FIP_PRIORITY	0x80
73 
74 #define sli4_sid_from_fc_hdr(fc_hdr)  \
75 	((fc_hdr)->fh_s_id[0] << 16 | \
76 	 (fc_hdr)->fh_s_id[1] <<  8 | \
77 	 (fc_hdr)->fh_s_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 LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
85 
86 enum lpfc_sli4_queue_type {
87 	LPFC_EQ,
88 	LPFC_GCQ,
89 	LPFC_MCQ,
90 	LPFC_WCQ,
91 	LPFC_RCQ,
92 	LPFC_MQ,
93 	LPFC_WQ,
94 	LPFC_HRQ,
95 	LPFC_DRQ
96 };
97 
98 /* The queue sub-type defines the functional purpose of the queue */
99 enum lpfc_sli4_queue_subtype {
100 	LPFC_NONE,
101 	LPFC_MBOX,
102 	LPFC_FCP,
103 	LPFC_ELS,
104 	LPFC_USOL
105 };
106 
107 union sli4_qe {
108 	void *address;
109 	struct lpfc_eqe *eqe;
110 	struct lpfc_cqe *cqe;
111 	struct lpfc_mcqe *mcqe;
112 	struct lpfc_wcqe_complete *wcqe_complete;
113 	struct lpfc_wcqe_release *wcqe_release;
114 	struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
115 	struct lpfc_rcqe_complete *rcqe_complete;
116 	struct lpfc_mqe *mqe;
117 	union  lpfc_wqe *wqe;
118 	struct lpfc_rqe *rqe;
119 };
120 
121 struct lpfc_queue {
122 	struct list_head list;
123 	enum lpfc_sli4_queue_type type;
124 	enum lpfc_sli4_queue_subtype subtype;
125 	struct lpfc_hba *phba;
126 	struct list_head child_list;
127 	uint32_t entry_count;	/* Number of entries to support on the queue */
128 	uint32_t entry_size;	/* Size of each queue entry. */
129 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
130 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
131 	struct list_head page_list;
132 	uint32_t page_count;	/* Number of pages allocated for this queue */
133 	uint32_t host_index;	/* The host's index for putting or getting */
134 	uint32_t hba_index;	/* The last known hba index for get or put */
135 	union sli4_qe qe[1];	/* array to index entries (must be last) */
136 };
137 
138 struct lpfc_sli4_link {
139 	uint8_t speed;
140 	uint8_t duplex;
141 	uint8_t status;
142 	uint8_t type;
143 	uint8_t number;
144 	uint8_t fault;
145 	uint16_t logical_speed;
146 	uint16_t topology;
147 };
148 
149 struct lpfc_fcf_rec {
150 	uint8_t  fabric_name[8];
151 	uint8_t  switch_name[8];
152 	uint8_t  mac_addr[6];
153 	uint16_t fcf_indx;
154 	uint32_t priority;
155 	uint16_t vlan_id;
156 	uint32_t addr_mode;
157 	uint32_t flag;
158 #define BOOT_ENABLE	0x01
159 #define RECORD_VALID	0x02
160 };
161 
162 struct lpfc_fcf_pri_rec {
163 	uint16_t fcf_index;
164 #define LPFC_FCF_ON_PRI_LIST 0x0001
165 #define LPFC_FCF_FLOGI_FAILED 0x0002
166 	uint16_t flag;
167 	uint32_t priority;
168 };
169 
170 struct lpfc_fcf_pri {
171 	struct list_head list;
172 	struct lpfc_fcf_pri_rec fcf_rec;
173 };
174 
175 /*
176  * Maximum FCF table index, it is for driver internal book keeping, it
177  * just needs to be no less than the supported HBA's FCF table size.
178  */
179 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
180 
181 struct lpfc_fcf {
182 	uint16_t fcfi;
183 	uint32_t fcf_flag;
184 #define FCF_AVAILABLE	0x01 /* FCF available for discovery */
185 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
186 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
187 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
188 #define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
189 #define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
190 #define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
191 #define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
192 #define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
193 #define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
194 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
195 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
196 	uint32_t addr_mode;
197 	uint32_t eligible_fcf_cnt;
198 	struct lpfc_fcf_rec current_rec;
199 	struct lpfc_fcf_rec failover_rec;
200 	struct list_head fcf_pri_list;
201 	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
202 	uint32_t current_fcf_scan_pri;
203 	struct timer_list redisc_wait;
204 	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
205 };
206 
207 
208 #define LPFC_REGION23_SIGNATURE "RG23"
209 #define LPFC_REGION23_VERSION	1
210 #define LPFC_REGION23_LAST_REC  0xff
211 #define DRIVER_SPECIFIC_TYPE	0xA2
212 #define LINUX_DRIVER_ID		0x20
213 #define PORT_STE_TYPE		0x1
214 
215 struct lpfc_fip_param_hdr {
216 	uint8_t type;
217 #define FCOE_PARAM_TYPE		0xA0
218 	uint8_t length;
219 #define FCOE_PARAM_LENGTH	2
220 	uint8_t parm_version;
221 #define FIPP_VERSION		0x01
222 	uint8_t parm_flags;
223 #define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
224 #define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
225 #define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
226 #define	FIPP_MODE_ON				0x1
227 #define	FIPP_MODE_OFF				0x0
228 #define FIPP_VLAN_VALID				0x1
229 };
230 
231 struct lpfc_fcoe_params {
232 	uint8_t fc_map[3];
233 	uint8_t reserved1;
234 	uint16_t vlan_tag;
235 	uint8_t reserved[2];
236 };
237 
238 struct lpfc_fcf_conn_hdr {
239 	uint8_t type;
240 #define FCOE_CONN_TBL_TYPE		0xA1
241 	uint8_t length;   /* words */
242 	uint8_t reserved[2];
243 };
244 
245 struct lpfc_fcf_conn_rec {
246 	uint16_t flags;
247 #define	FCFCNCT_VALID		0x0001
248 #define	FCFCNCT_BOOT		0x0002
249 #define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
250 #define	FCFCNCT_FBNM_VALID	0x0008
251 #define	FCFCNCT_SWNM_VALID	0x0010
252 #define	FCFCNCT_VLAN_VALID	0x0020
253 #define	FCFCNCT_AM_VALID	0x0040
254 #define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
255 #define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
256 
257 	uint16_t vlan_tag;
258 	uint8_t fabric_name[8];
259 	uint8_t switch_name[8];
260 };
261 
262 struct lpfc_fcf_conn_entry {
263 	struct list_head list;
264 	struct lpfc_fcf_conn_rec conn_rec;
265 };
266 
267 /*
268  * Define the host's bootstrap mailbox.  This structure contains
269  * the member attributes needed to create, use, and destroy the
270  * bootstrap mailbox region.
271  *
272  * The macro definitions for the bmbx data structure are defined
273  * in lpfc_hw4.h with the register definition.
274  */
275 struct lpfc_bmbx {
276 	struct lpfc_dmabuf *dmabuf;
277 	struct dma_address dma_address;
278 	void *avirt;
279 	dma_addr_t aphys;
280 	uint32_t bmbx_size;
281 };
282 
283 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
284 
285 #define LPFC_EQE_SIZE_4B 	4
286 #define LPFC_EQE_SIZE_16B	16
287 #define LPFC_CQE_SIZE		16
288 #define LPFC_WQE_SIZE		64
289 #define LPFC_MQE_SIZE		256
290 #define LPFC_RQE_SIZE		8
291 
292 #define LPFC_EQE_DEF_COUNT	1024
293 #define LPFC_CQE_DEF_COUNT      256
294 #define LPFC_WQE_DEF_COUNT      256
295 #define LPFC_MQE_DEF_COUNT      16
296 #define LPFC_RQE_DEF_COUNT	512
297 
298 #define LPFC_QUEUE_NOARM	false
299 #define LPFC_QUEUE_REARM	true
300 
301 
302 /*
303  * SLI4 CT field defines
304  */
305 #define SLI4_CT_RPI 0
306 #define SLI4_CT_VPI 1
307 #define SLI4_CT_VFI 2
308 #define SLI4_CT_FCFI 3
309 
310 #define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE	0x10000
311 #define LPFC_SLI4_FL1_MAX_BUF_SIZE	0X2000
312 #define LPFC_SLI4_MIN_BUF_SIZE		0x400
313 #define LPFC_SLI4_MAX_BUF_SIZE		0x20000
314 
315 /*
316  * SLI4 specific data structures
317  */
318 struct lpfc_max_cfg_param {
319 	uint16_t max_xri;
320 	uint16_t xri_base;
321 	uint16_t xri_used;
322 	uint16_t max_rpi;
323 	uint16_t rpi_base;
324 	uint16_t rpi_used;
325 	uint16_t max_vpi;
326 	uint16_t vpi_base;
327 	uint16_t vpi_used;
328 	uint16_t max_vfi;
329 	uint16_t vfi_base;
330 	uint16_t vfi_used;
331 	uint16_t max_fcfi;
332 	uint16_t fcfi_used;
333 	uint16_t max_eq;
334 	uint16_t max_rq;
335 	uint16_t max_cq;
336 	uint16_t max_wq;
337 };
338 
339 struct lpfc_hba;
340 /* SLI4 HBA multi-fcp queue handler struct */
341 struct lpfc_fcp_eq_hdl {
342 	uint32_t idx;
343 	struct lpfc_hba *phba;
344 };
345 
346 /* Port Capabilities for SLI4 Parameters */
347 struct lpfc_pc_sli4_params {
348 	uint32_t supported;
349 	uint32_t if_type;
350 	uint32_t sli_rev;
351 	uint32_t sli_family;
352 	uint32_t featurelevel_1;
353 	uint32_t featurelevel_2;
354 	uint32_t proto_types;
355 #define LPFC_SLI4_PROTO_FCOE	0x0000001
356 #define LPFC_SLI4_PROTO_FC	0x0000002
357 #define LPFC_SLI4_PROTO_NIC	0x0000004
358 #define LPFC_SLI4_PROTO_ISCSI	0x0000008
359 #define LPFC_SLI4_PROTO_RDMA	0x0000010
360 	uint32_t sge_supp_len;
361 	uint32_t if_page_sz;
362 	uint32_t rq_db_window;
363 	uint32_t loopbk_scope;
364 	uint32_t eq_pages_max;
365 	uint32_t eqe_size;
366 	uint32_t cq_pages_max;
367 	uint32_t cqe_size;
368 	uint32_t mq_pages_max;
369 	uint32_t mqe_size;
370 	uint32_t mq_elem_cnt;
371 	uint32_t wq_pages_max;
372 	uint32_t wqe_size;
373 	uint32_t rq_pages_max;
374 	uint32_t rqe_size;
375 	uint32_t hdr_pages_max;
376 	uint32_t hdr_size;
377 	uint32_t hdr_pp_align;
378 	uint32_t sgl_pages_max;
379 	uint32_t sgl_pp_align;
380 	uint8_t cqv;
381 	uint8_t mqv;
382 	uint8_t wqv;
383 	uint8_t rqv;
384 };
385 
386 struct lpfc_iov {
387 	uint32_t pf_number;
388 	uint32_t vf_number;
389 };
390 
391 /* SLI4 HBA data structure entries */
392 struct lpfc_sli4_hba {
393 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
394 					     PCI BAR0, config space registers */
395 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
396 					     PCI BAR1, control registers */
397 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
398 					     PCI BAR2, doorbell registers */
399 	union {
400 		struct {
401 			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
402 			void __iomem *UERRLOregaddr;
403 			void __iomem *UERRHIregaddr;
404 			void __iomem *UEMASKLOregaddr;
405 			void __iomem *UEMASKHIregaddr;
406 		} if_type0;
407 		struct {
408 			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
409 			void __iomem *STATUSregaddr;
410 			void __iomem *CTRLregaddr;
411 			void __iomem *ERR1regaddr;
412 			void __iomem *ERR2regaddr;
413 		} if_type2;
414 	} u;
415 
416 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
417 	void __iomem *PSMPHRregaddr;
418 
419 	/* Well-known SLI INTF register memory map. */
420 	void __iomem *SLIINTFregaddr;
421 
422 	/* IF type 0, BAR 1 function CSR register memory map */
423 	void __iomem *ISRregaddr;	/* HST_ISR register */
424 	void __iomem *IMRregaddr;	/* HST_IMR register */
425 	void __iomem *ISCRregaddr;	/* HST_ISCR register */
426 	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
427 	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
428 	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
429 	void __iomem *EQCQDBregaddr;	/* EQCQ_DOORBELL register */
430 	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
431 	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
432 
433 	uint32_t ue_mask_lo;
434 	uint32_t ue_mask_hi;
435 	struct lpfc_register sli_intf;
436 	struct lpfc_pc_sli4_params pc_sli4_params;
437 	struct msix_entry *msix_entries;
438 	uint32_t cfg_eqn;
439 	uint32_t msix_vec_nr;
440 	struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
441 	/* Pointers to the constructed SLI4 queues */
442 	struct lpfc_queue **fp_eq; /* Fast-path event queue */
443 	struct lpfc_queue *sp_eq;  /* Slow-path event queue */
444 	struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
445 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
446 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
447 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
448 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
449 	struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
450 	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
451 	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
452 
453 	/* Setup information for various queue parameters */
454 	int eq_esize;
455 	int eq_ecount;
456 	int cq_esize;
457 	int cq_ecount;
458 	int wq_esize;
459 	int wq_ecount;
460 	int mq_esize;
461 	int mq_ecount;
462 	int rq_esize;
463 	int rq_ecount;
464 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
465 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
466 
467 	uint32_t intr_enable;
468 	struct lpfc_bmbx bmbx;
469 	struct lpfc_max_cfg_param max_cfg_param;
470 	uint16_t extents_in_use; /* must allocate resource extents. */
471 	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
472 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
473 	uint16_t next_rpi;
474 	uint16_t scsi_xri_max;
475 	uint16_t scsi_xri_cnt;
476 	uint16_t scsi_xri_start;
477 	struct list_head lpfc_free_sgl_list;
478 	struct list_head lpfc_sgl_list;
479 	struct lpfc_sglq **lpfc_els_sgl_array;
480 	struct list_head lpfc_abts_els_sgl_list;
481 	struct lpfc_scsi_buf **lpfc_scsi_psb_array;
482 	struct list_head lpfc_abts_scsi_buf_list;
483 	uint32_t total_sglq_bufs;
484 	struct lpfc_sglq **lpfc_sglq_active_list;
485 	struct list_head lpfc_rpi_hdr_list;
486 	unsigned long *rpi_bmask;
487 	uint16_t *rpi_ids;
488 	uint16_t rpi_count;
489 	struct list_head lpfc_rpi_blk_list;
490 	unsigned long *xri_bmask;
491 	uint16_t *xri_ids;
492 	uint16_t xri_count;
493 	struct list_head lpfc_xri_blk_list;
494 	unsigned long *vfi_bmask;
495 	uint16_t *vfi_ids;
496 	uint16_t vfi_count;
497 	struct list_head lpfc_vfi_blk_list;
498 	struct lpfc_sli4_flags sli4_flags;
499 	struct list_head sp_queue_event;
500 	struct list_head sp_cqe_event_pool;
501 	struct list_head sp_asynce_work_queue;
502 	struct list_head sp_fcp_xri_aborted_work_queue;
503 	struct list_head sp_els_xri_aborted_work_queue;
504 	struct list_head sp_unsol_work_queue;
505 	struct lpfc_sli4_link link_state;
506 	struct lpfc_iov iov;
507 	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
508 	spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
509 };
510 
511 enum lpfc_sge_type {
512 	GEN_BUFF_TYPE,
513 	SCSI_BUFF_TYPE
514 };
515 
516 enum lpfc_sgl_state {
517 	SGL_FREED,
518 	SGL_ALLOCATED,
519 	SGL_XRI_ABORTED
520 };
521 
522 struct lpfc_sglq {
523 	/* lpfc_sglqs are used in double linked lists */
524 	struct list_head list;
525 	struct list_head clist;
526 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
527 	enum lpfc_sgl_state state;
528 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
529 	uint16_t iotag;         /* pre-assigned IO tag */
530 	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
531 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
532 	struct sli4_sge *sgl;	/* pre-assigned SGL */
533 	void *virt;		/* virtual address. */
534 	dma_addr_t phys;	/* physical address */
535 };
536 
537 struct lpfc_rpi_hdr {
538 	struct list_head list;
539 	uint32_t len;
540 	struct lpfc_dmabuf *dmabuf;
541 	uint32_t page_count;
542 	uint32_t start_rpi;
543 };
544 
545 struct lpfc_rsrc_blks {
546 	struct list_head list;
547 	uint16_t rsrc_start;
548 	uint16_t rsrc_size;
549 	uint16_t rsrc_used;
550 };
551 
552 /*
553  * SLI4 specific function prototypes
554  */
555 int lpfc_pci_function_reset(struct lpfc_hba *);
556 int lpfc_sli4_hba_setup(struct lpfc_hba *);
557 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
558 		     uint8_t, uint32_t, bool);
559 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
560 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
561 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
562 			   struct lpfc_mbx_sge *);
563 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
564 			       uint16_t);
565 
566 void lpfc_sli4_hba_reset(struct lpfc_hba *);
567 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
568 			uint32_t);
569 void lpfc_sli4_queue_free(struct lpfc_queue *);
570 uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
571 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
572 			struct lpfc_queue *, uint32_t, uint32_t);
573 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
574 		       struct lpfc_queue *, uint32_t);
575 uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
576 			struct lpfc_queue *, uint32_t);
577 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
578 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
579 uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
580 uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
581 uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
582 uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
583 uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
584 			 struct lpfc_queue *);
585 int lpfc_sli4_queue_setup(struct lpfc_hba *);
586 void lpfc_sli4_queue_unset(struct lpfc_hba *);
587 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
588 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
589 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
590 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
591 int lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba);
592 int lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba);
593 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
594 int lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *, struct list_head *,
595 				    int);
596 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
597 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
598 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
599 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
600 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
601 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
602 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
603 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
604 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
605 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
606 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
607 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
608 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
609 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
610 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
611 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
612 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
613 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
614 			       struct sli4_wcqe_xri_aborted *);
615 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
616 			       struct sli4_wcqe_xri_aborted *);
617 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
618 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
619 int lpfc_sli4_brdreset(struct lpfc_hba *);
620 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
621 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
622 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
623 int lpfc_sli4_init_vpi(struct lpfc_vport *);
624 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
625 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
626 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
627 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
628 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
629 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
630 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
631 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
632 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
633 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
634 int lpfc_sli4_post_status_check(struct lpfc_hba *);
635 uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);
636 
637