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_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 fast-path FCP work queues */
38 #define LPFC_FN_EQN_MAX       8
39 #define LPFC_SP_EQN_DEF       1
40 #define LPFC_FP_EQN_DEF       4
41 #define LPFC_FP_EQN_MIN       1
42 #define LPFC_FP_EQN_MAX       (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
43 
44 #define LPFC_FN_WQN_MAX       32
45 #define LPFC_SP_WQN_DEF       1
46 #define LPFC_FP_WQN_DEF       4
47 #define LPFC_FP_WQN_MIN       1
48 #define LPFC_FP_WQN_MAX       (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)
49 
50 /*
51  * Provide the default FCF Record attributes used by the driver
52  * when nonFIP mode is configured and there is no other default
53  * FCF Record attributes.
54  */
55 #define LPFC_FCOE_FCF_DEF_INDEX	0
56 #define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
57 #define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF
58 
59 #define LPFC_FCOE_NULL_VID	0xFFF
60 #define LPFC_FCOE_IGNORE_VID	0xFFFF
61 
62 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
63 #define LPFC_FCOE_FCF_MAC3	0xFF
64 #define LPFC_FCOE_FCF_MAC4	0xFF
65 #define LPFC_FCOE_FCF_MAC5	0xFE
66 #define LPFC_FCOE_FCF_MAP0	0x0E
67 #define LPFC_FCOE_FCF_MAP1	0xFC
68 #define LPFC_FCOE_FCF_MAP2	0x00
69 #define LPFC_FCOE_MAX_RCV_SIZE	0x800
70 #define LPFC_FCOE_FKA_ADV_PER	0
71 #define LPFC_FCOE_FIP_PRIORITY	0x80
72 
73 #define sli4_sid_from_fc_hdr(fc_hdr)  \
74 	((fc_hdr)->fh_s_id[0] << 16 | \
75 	 (fc_hdr)->fh_s_id[1] <<  8 | \
76 	 (fc_hdr)->fh_s_id[2])
77 
78 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
79 	((fc_hdr)->fh_f_ctl[0] << 16 | \
80 	 (fc_hdr)->fh_f_ctl[1] <<  8 | \
81 	 (fc_hdr)->fh_f_ctl[2])
82 
83 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
84 
85 enum lpfc_sli4_queue_type {
86 	LPFC_EQ,
87 	LPFC_GCQ,
88 	LPFC_MCQ,
89 	LPFC_WCQ,
90 	LPFC_RCQ,
91 	LPFC_MQ,
92 	LPFC_WQ,
93 	LPFC_HRQ,
94 	LPFC_DRQ
95 };
96 
97 /* The queue sub-type defines the functional purpose of the queue */
98 enum lpfc_sli4_queue_subtype {
99 	LPFC_NONE,
100 	LPFC_MBOX,
101 	LPFC_FCP,
102 	LPFC_ELS,
103 	LPFC_USOL
104 };
105 
106 union sli4_qe {
107 	void *address;
108 	struct lpfc_eqe *eqe;
109 	struct lpfc_cqe *cqe;
110 	struct lpfc_mcqe *mcqe;
111 	struct lpfc_wcqe_complete *wcqe_complete;
112 	struct lpfc_wcqe_release *wcqe_release;
113 	struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
114 	struct lpfc_rcqe_complete *rcqe_complete;
115 	struct lpfc_mqe *mqe;
116 	union  lpfc_wqe *wqe;
117 	struct lpfc_rqe *rqe;
118 };
119 
120 struct lpfc_queue {
121 	struct list_head list;
122 	enum lpfc_sli4_queue_type type;
123 	enum lpfc_sli4_queue_subtype subtype;
124 	struct lpfc_hba *phba;
125 	struct list_head child_list;
126 	uint32_t entry_count;	/* Number of entries to support on the queue */
127 	uint32_t entry_size;	/* Size of each queue entry. */
128 	uint32_t entry_repost;	/* Count of entries before doorbell is rung */
129 #define LPFC_QUEUE_MIN_REPOST	8
130 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
131 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
132 	struct list_head page_list;
133 	uint32_t page_count;	/* Number of pages allocated for this queue */
134 	uint32_t host_index;	/* The host's index for putting or getting */
135 	uint32_t hba_index;	/* The last known hba index for get or put */
136 	union sli4_qe qe[1];	/* array to index entries (must be last) */
137 };
138 
139 struct lpfc_sli4_link {
140 	uint8_t speed;
141 	uint8_t duplex;
142 	uint8_t status;
143 	uint8_t type;
144 	uint8_t number;
145 	uint8_t fault;
146 	uint16_t logical_speed;
147 	uint16_t topology;
148 };
149 
150 struct lpfc_fcf_rec {
151 	uint8_t  fabric_name[8];
152 	uint8_t  switch_name[8];
153 	uint8_t  mac_addr[6];
154 	uint16_t fcf_indx;
155 	uint32_t priority;
156 	uint16_t vlan_id;
157 	uint32_t addr_mode;
158 	uint32_t flag;
159 #define BOOT_ENABLE	0x01
160 #define RECORD_VALID	0x02
161 };
162 
163 struct lpfc_fcf_pri_rec {
164 	uint16_t fcf_index;
165 #define LPFC_FCF_ON_PRI_LIST 0x0001
166 #define LPFC_FCF_FLOGI_FAILED 0x0002
167 	uint16_t flag;
168 	uint32_t priority;
169 };
170 
171 struct lpfc_fcf_pri {
172 	struct list_head list;
173 	struct lpfc_fcf_pri_rec fcf_rec;
174 };
175 
176 /*
177  * Maximum FCF table index, it is for driver internal book keeping, it
178  * just needs to be no less than the supported HBA's FCF table size.
179  */
180 #define LPFC_SLI4_FCF_TBL_INDX_MAX	32
181 
182 struct lpfc_fcf {
183 	uint16_t fcfi;
184 	uint32_t fcf_flag;
185 #define FCF_AVAILABLE	0x01 /* FCF available for discovery */
186 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
187 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
188 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
189 #define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
190 #define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
191 #define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
192 #define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
193 #define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
194 #define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
195 #define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
196 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
197 	uint32_t addr_mode;
198 	uint32_t eligible_fcf_cnt;
199 	struct lpfc_fcf_rec current_rec;
200 	struct lpfc_fcf_rec failover_rec;
201 	struct list_head fcf_pri_list;
202 	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
203 	uint32_t current_fcf_scan_pri;
204 	struct timer_list redisc_wait;
205 	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
206 };
207 
208 
209 #define LPFC_REGION23_SIGNATURE "RG23"
210 #define LPFC_REGION23_VERSION	1
211 #define LPFC_REGION23_LAST_REC  0xff
212 #define DRIVER_SPECIFIC_TYPE	0xA2
213 #define LINUX_DRIVER_ID		0x20
214 #define PORT_STE_TYPE		0x1
215 
216 struct lpfc_fip_param_hdr {
217 	uint8_t type;
218 #define FCOE_PARAM_TYPE		0xA0
219 	uint8_t length;
220 #define FCOE_PARAM_LENGTH	2
221 	uint8_t parm_version;
222 #define FIPP_VERSION		0x01
223 	uint8_t parm_flags;
224 #define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
225 #define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
226 #define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
227 #define	FIPP_MODE_ON				0x1
228 #define	FIPP_MODE_OFF				0x0
229 #define FIPP_VLAN_VALID				0x1
230 };
231 
232 struct lpfc_fcoe_params {
233 	uint8_t fc_map[3];
234 	uint8_t reserved1;
235 	uint16_t vlan_tag;
236 	uint8_t reserved[2];
237 };
238 
239 struct lpfc_fcf_conn_hdr {
240 	uint8_t type;
241 #define FCOE_CONN_TBL_TYPE		0xA1
242 	uint8_t length;   /* words */
243 	uint8_t reserved[2];
244 };
245 
246 struct lpfc_fcf_conn_rec {
247 	uint16_t flags;
248 #define	FCFCNCT_VALID		0x0001
249 #define	FCFCNCT_BOOT		0x0002
250 #define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
251 #define	FCFCNCT_FBNM_VALID	0x0008
252 #define	FCFCNCT_SWNM_VALID	0x0010
253 #define	FCFCNCT_VLAN_VALID	0x0020
254 #define	FCFCNCT_AM_VALID	0x0040
255 #define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
256 #define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */
257 
258 	uint16_t vlan_tag;
259 	uint8_t fabric_name[8];
260 	uint8_t switch_name[8];
261 };
262 
263 struct lpfc_fcf_conn_entry {
264 	struct list_head list;
265 	struct lpfc_fcf_conn_rec conn_rec;
266 };
267 
268 /*
269  * Define the host's bootstrap mailbox.  This structure contains
270  * the member attributes needed to create, use, and destroy the
271  * bootstrap mailbox region.
272  *
273  * The macro definitions for the bmbx data structure are defined
274  * in lpfc_hw4.h with the register definition.
275  */
276 struct lpfc_bmbx {
277 	struct lpfc_dmabuf *dmabuf;
278 	struct dma_address dma_address;
279 	void *avirt;
280 	dma_addr_t aphys;
281 	uint32_t bmbx_size;
282 };
283 
284 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
285 
286 #define LPFC_EQE_SIZE_4B 	4
287 #define LPFC_EQE_SIZE_16B	16
288 #define LPFC_CQE_SIZE		16
289 #define LPFC_WQE_SIZE		64
290 #define LPFC_MQE_SIZE		256
291 #define LPFC_RQE_SIZE		8
292 
293 #define LPFC_EQE_DEF_COUNT	1024
294 #define LPFC_CQE_DEF_COUNT      1024
295 #define LPFC_WQE_DEF_COUNT      256
296 #define LPFC_MQE_DEF_COUNT      16
297 #define LPFC_RQE_DEF_COUNT	512
298 
299 #define LPFC_QUEUE_NOARM	false
300 #define LPFC_QUEUE_REARM	true
301 
302 
303 /*
304  * SLI4 CT field defines
305  */
306 #define SLI4_CT_RPI 0
307 #define SLI4_CT_VPI 1
308 #define SLI4_CT_VFI 2
309 #define SLI4_CT_FCFI 3
310 
311 #define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE	0x10000
312 #define LPFC_SLI4_FL1_MAX_BUF_SIZE	0X2000
313 #define LPFC_SLI4_MIN_BUF_SIZE		0x400
314 #define LPFC_SLI4_MAX_BUF_SIZE		0x20000
315 
316 /*
317  * SLI4 specific data structures
318  */
319 struct lpfc_max_cfg_param {
320 	uint16_t max_xri;
321 	uint16_t xri_base;
322 	uint16_t xri_used;
323 	uint16_t max_rpi;
324 	uint16_t rpi_base;
325 	uint16_t rpi_used;
326 	uint16_t max_vpi;
327 	uint16_t vpi_base;
328 	uint16_t vpi_used;
329 	uint16_t max_vfi;
330 	uint16_t vfi_base;
331 	uint16_t vfi_used;
332 	uint16_t max_fcfi;
333 	uint16_t fcfi_used;
334 	uint16_t max_eq;
335 	uint16_t max_rq;
336 	uint16_t max_cq;
337 	uint16_t max_wq;
338 };
339 
340 struct lpfc_hba;
341 /* SLI4 HBA multi-fcp queue handler struct */
342 struct lpfc_fcp_eq_hdl {
343 	uint32_t idx;
344 	struct lpfc_hba *phba;
345 };
346 
347 /* Port Capabilities for SLI4 Parameters */
348 struct lpfc_pc_sli4_params {
349 	uint32_t supported;
350 	uint32_t if_type;
351 	uint32_t sli_rev;
352 	uint32_t sli_family;
353 	uint32_t featurelevel_1;
354 	uint32_t featurelevel_2;
355 	uint32_t proto_types;
356 #define LPFC_SLI4_PROTO_FCOE	0x0000001
357 #define LPFC_SLI4_PROTO_FC	0x0000002
358 #define LPFC_SLI4_PROTO_NIC	0x0000004
359 #define LPFC_SLI4_PROTO_ISCSI	0x0000008
360 #define LPFC_SLI4_PROTO_RDMA	0x0000010
361 	uint32_t sge_supp_len;
362 	uint32_t if_page_sz;
363 	uint32_t rq_db_window;
364 	uint32_t loopbk_scope;
365 	uint32_t eq_pages_max;
366 	uint32_t eqe_size;
367 	uint32_t cq_pages_max;
368 	uint32_t cqe_size;
369 	uint32_t mq_pages_max;
370 	uint32_t mqe_size;
371 	uint32_t mq_elem_cnt;
372 	uint32_t wq_pages_max;
373 	uint32_t wqe_size;
374 	uint32_t rq_pages_max;
375 	uint32_t rqe_size;
376 	uint32_t hdr_pages_max;
377 	uint32_t hdr_size;
378 	uint32_t hdr_pp_align;
379 	uint32_t sgl_pages_max;
380 	uint32_t sgl_pp_align;
381 	uint8_t cqv;
382 	uint8_t mqv;
383 	uint8_t wqv;
384 	uint8_t rqv;
385 };
386 
387 struct lpfc_iov {
388 	uint32_t pf_number;
389 	uint32_t vf_number;
390 };
391 
392 struct lpfc_sli4_lnk_info {
393 	uint8_t lnk_dv;
394 #define LPFC_LNK_DAT_INVAL	0
395 #define LPFC_LNK_DAT_VAL	1
396 	uint8_t lnk_tp;
397 #define LPFC_LNK_GE	0x0 /* FCoE */
398 #define LPFC_LNK_FC	0x1 /* FC   */
399 	uint8_t lnk_no;
400 };
401 
402 /* SLI4 HBA data structure entries */
403 struct lpfc_sli4_hba {
404 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
405 					     PCI BAR0, config space registers */
406 	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
407 					     PCI BAR1, control registers */
408 	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
409 					     PCI BAR2, doorbell registers */
410 	union {
411 		struct {
412 			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
413 			void __iomem *UERRLOregaddr;
414 			void __iomem *UERRHIregaddr;
415 			void __iomem *UEMASKLOregaddr;
416 			void __iomem *UEMASKHIregaddr;
417 		} if_type0;
418 		struct {
419 			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
420 			void __iomem *STATUSregaddr;
421 			void __iomem *CTRLregaddr;
422 			void __iomem *ERR1regaddr;
423 #define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
424 #define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
425 			void __iomem *ERR2regaddr;
426 #define SLIPORT_ERR2_REG_FW_RESTART		0x0
427 #define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
428 #define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
429 #define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
430 #define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
431 #define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
432 #define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
433 		} if_type2;
434 	} u;
435 
436 	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
437 	void __iomem *PSMPHRregaddr;
438 
439 	/* Well-known SLI INTF register memory map. */
440 	void __iomem *SLIINTFregaddr;
441 
442 	/* IF type 0, BAR 1 function CSR register memory map */
443 	void __iomem *ISRregaddr;	/* HST_ISR register */
444 	void __iomem *IMRregaddr;	/* HST_IMR register */
445 	void __iomem *ISCRregaddr;	/* HST_ISCR register */
446 	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
447 	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
448 	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
449 	void __iomem *EQCQDBregaddr;	/* EQCQ_DOORBELL register */
450 	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
451 	void __iomem *BMBXregaddr;	/* BootStrap MBX register */
452 
453 	uint32_t ue_mask_lo;
454 	uint32_t ue_mask_hi;
455 	struct lpfc_register sli_intf;
456 	struct lpfc_pc_sli4_params pc_sli4_params;
457 	struct msix_entry *msix_entries;
458 	uint32_t cfg_eqn;
459 	uint32_t msix_vec_nr;
460 	struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
461 	/* Pointers to the constructed SLI4 queues */
462 	struct lpfc_queue **fp_eq; /* Fast-path event queue */
463 	struct lpfc_queue *sp_eq;  /* Slow-path event queue */
464 	struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
465 	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
466 	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
467 	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
468 	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
469 	struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
470 	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
471 	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
472 
473 	/* Setup information for various queue parameters */
474 	int eq_esize;
475 	int eq_ecount;
476 	int cq_esize;
477 	int cq_ecount;
478 	int wq_esize;
479 	int wq_ecount;
480 	int mq_esize;
481 	int mq_ecount;
482 	int rq_esize;
483 	int rq_ecount;
484 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
485 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
486 
487 	uint32_t intr_enable;
488 	struct lpfc_bmbx bmbx;
489 	struct lpfc_max_cfg_param max_cfg_param;
490 	uint16_t extents_in_use; /* must allocate resource extents. */
491 	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
492 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
493 	uint16_t next_rpi;
494 	uint16_t scsi_xri_max;
495 	uint16_t scsi_xri_cnt;
496 	uint16_t scsi_xri_start;
497 	struct list_head lpfc_free_sgl_list;
498 	struct list_head lpfc_sgl_list;
499 	struct lpfc_sglq **lpfc_els_sgl_array;
500 	struct list_head lpfc_abts_els_sgl_list;
501 	struct lpfc_scsi_buf **lpfc_scsi_psb_array;
502 	struct list_head lpfc_abts_scsi_buf_list;
503 	uint32_t total_sglq_bufs;
504 	struct lpfc_sglq **lpfc_sglq_active_list;
505 	struct list_head lpfc_rpi_hdr_list;
506 	unsigned long *rpi_bmask;
507 	uint16_t *rpi_ids;
508 	uint16_t rpi_count;
509 	struct list_head lpfc_rpi_blk_list;
510 	unsigned long *xri_bmask;
511 	uint16_t *xri_ids;
512 	uint16_t xri_count;
513 	struct list_head lpfc_xri_blk_list;
514 	unsigned long *vfi_bmask;
515 	uint16_t *vfi_ids;
516 	uint16_t vfi_count;
517 	struct list_head lpfc_vfi_blk_list;
518 	struct lpfc_sli4_flags sli4_flags;
519 	struct list_head sp_queue_event;
520 	struct list_head sp_cqe_event_pool;
521 	struct list_head sp_asynce_work_queue;
522 	struct list_head sp_fcp_xri_aborted_work_queue;
523 	struct list_head sp_els_xri_aborted_work_queue;
524 	struct list_head sp_unsol_work_queue;
525 	struct lpfc_sli4_link link_state;
526 	struct lpfc_sli4_lnk_info lnk_info;
527 	uint32_t pport_name_sta;
528 #define LPFC_SLI4_PPNAME_NON	0
529 #define LPFC_SLI4_PPNAME_GET	1
530 	struct lpfc_iov iov;
531 	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
532 	spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
533 };
534 
535 enum lpfc_sge_type {
536 	GEN_BUFF_TYPE,
537 	SCSI_BUFF_TYPE
538 };
539 
540 enum lpfc_sgl_state {
541 	SGL_FREED,
542 	SGL_ALLOCATED,
543 	SGL_XRI_ABORTED
544 };
545 
546 struct lpfc_sglq {
547 	/* lpfc_sglqs are used in double linked lists */
548 	struct list_head list;
549 	struct list_head clist;
550 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
551 	enum lpfc_sgl_state state;
552 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
553 	uint16_t iotag;         /* pre-assigned IO tag */
554 	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
555 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
556 	struct sli4_sge *sgl;	/* pre-assigned SGL */
557 	void *virt;		/* virtual address. */
558 	dma_addr_t phys;	/* physical address */
559 };
560 
561 struct lpfc_rpi_hdr {
562 	struct list_head list;
563 	uint32_t len;
564 	struct lpfc_dmabuf *dmabuf;
565 	uint32_t page_count;
566 	uint32_t start_rpi;
567 };
568 
569 struct lpfc_rsrc_blks {
570 	struct list_head list;
571 	uint16_t rsrc_start;
572 	uint16_t rsrc_size;
573 	uint16_t rsrc_used;
574 };
575 
576 /*
577  * SLI4 specific function prototypes
578  */
579 int lpfc_pci_function_reset(struct lpfc_hba *);
580 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
581 int lpfc_sli4_hba_setup(struct lpfc_hba *);
582 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
583 		     uint8_t, uint32_t, bool);
584 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
585 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
586 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
587 			   struct lpfc_mbx_sge *);
588 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
589 			       uint16_t);
590 
591 void lpfc_sli4_hba_reset(struct lpfc_hba *);
592 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
593 			uint32_t);
594 void lpfc_sli4_queue_free(struct lpfc_queue *);
595 uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
596 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
597 			struct lpfc_queue *, uint32_t, uint32_t);
598 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
599 		       struct lpfc_queue *, uint32_t);
600 uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
601 			struct lpfc_queue *, uint32_t);
602 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
603 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
604 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
605 uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
606 uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
607 uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
608 uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
609 uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
610 			 struct lpfc_queue *);
611 int lpfc_sli4_queue_setup(struct lpfc_hba *);
612 void lpfc_sli4_queue_unset(struct lpfc_hba *);
613 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
614 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
615 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
616 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
617 int lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba);
618 int lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba);
619 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
620 int lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *, struct list_head *,
621 				    int);
622 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
623 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
624 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
625 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
626 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
627 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
628 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
629 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
630 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
631 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
632 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
633 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
634 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
635 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
636 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
637 			void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
638 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
639 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
640 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
641 			       struct sli4_wcqe_xri_aborted *);
642 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
643 			       struct sli4_wcqe_xri_aborted *);
644 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
645 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
646 int lpfc_sli4_brdreset(struct lpfc_hba *);
647 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
648 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
649 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
650 int lpfc_sli4_init_vpi(struct lpfc_vport *);
651 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
652 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
653 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
654 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
655 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
656 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
657 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
658 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
659 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
660 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
661 int lpfc_sli4_post_status_check(struct lpfc_hba *);
662 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
663 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
664