1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
5  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
6  * Copyright (C) 2004-2016 Emulex.  All rights reserved.           *
7  * EMULEX and SLI are trademarks of Emulex.                        *
8  * www.broadcom.com                                                *
9  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
10  *                                                                 *
11  * This program is free software; you can redistribute it and/or   *
12  * modify it under the terms of version 2 of the GNU General       *
13  * Public License as published by the Free Software Foundation.    *
14  * This program is distributed in the hope that it will be useful. *
15  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
16  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
17  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
18  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
19  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
20  * more details, a copy of which can be found in the file COPYING  *
21  * included with this package.                                     *
22  *******************************************************************/
23 
24 #include <scsi/scsi_host.h>
25 #include <linux/hashtable.h>
26 #include <linux/ktime.h>
27 #include <linux/workqueue.h>
28 
29 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
30 #define CONFIG_SCSI_LPFC_DEBUG_FS
31 #endif
32 
33 struct lpfc_sli2_slim;
34 
35 #define ELX_MODEL_NAME_SIZE	80
36 
37 #define LPFC_PCI_DEV_LP		0x1
38 #define LPFC_PCI_DEV_OC		0x2
39 
40 #define LPFC_SLI_REV2		2
41 #define LPFC_SLI_REV3		3
42 #define LPFC_SLI_REV4		4
43 
44 #define LPFC_MAX_TARGET		4096	/* max number of targets supported */
45 #define LPFC_MAX_DISC_THREADS	64	/* max outstanding discovery els
46 					   requests */
47 #define LPFC_MAX_NS_RETRY	3	/* Number of retry attempts to contact
48 					   the NameServer  before giving up. */
49 #define LPFC_CMD_PER_LUN	3	/* max outstanding cmds per lun */
50 #define LPFC_DEFAULT_SG_SEG_CNT 64	/* sg element count per scsi cmnd */
51 
52 #define LPFC_DEFAULT_XPSGL_SIZE	256
53 #define LPFC_MAX_SG_TABLESIZE	0xffff
54 #define LPFC_MIN_SG_SLI4_BUF_SZ	0x800	/* based on LPFC_DEFAULT_SG_SEG_CNT */
55 #define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */
56 #define LPFC_MAX_SG_SEG_CNT_DIF 512	/* sg element count per scsi cmnd  */
57 #define LPFC_MAX_SG_SEG_CNT	4096	/* sg element count per scsi cmnd */
58 #define LPFC_MIN_SG_SEG_CNT	32	/* sg element count per scsi cmnd */
59 #define LPFC_MAX_SGL_SEG_CNT	512	/* SGL element count per scsi cmnd */
60 #define LPFC_MAX_BPL_SEG_CNT	4096	/* BPL element count per scsi cmnd */
61 #define LPFC_MAX_NVME_SEG_CNT	256	/* max SGL element cnt per NVME cmnd */
62 
63 #define LPFC_MAX_SGE_SIZE       0x80000000 /* Maximum data allowed in a SGE */
64 #define LPFC_IOCB_LIST_CNT	2250	/* list of IOCBs for fast-path usage. */
65 #define LPFC_Q_RAMP_UP_INTERVAL 120     /* lun q_depth ramp up interval */
66 #define LPFC_VNAME_LEN		100	/* vport symbolic name length */
67 #define LPFC_TGTQ_RAMPUP_PCENT	5	/* Target queue rampup in percentage */
68 #define LPFC_MIN_TGT_QDEPTH	10
69 #define LPFC_MAX_TGT_QDEPTH	0xFFFF
70 
71 /*
72  * Following time intervals are used of adjusting SCSI device
73  * queue depths when there are driver resource error or Firmware
74  * resource error.
75  */
76 /* 1 Second */
77 #define QUEUE_RAMP_DOWN_INTERVAL	(msecs_to_jiffies(1000 * 1))
78 
79 /* Number of exchanges reserved for discovery to complete */
80 #define LPFC_DISC_IOCB_BUFF_COUNT 20
81 
82 #define LPFC_HB_MBOX_INTERVAL   5	/* Heart beat interval in seconds. */
83 #define LPFC_HB_MBOX_TIMEOUT    30	/* Heart beat timeout  in seconds. */
84 
85 /* Error Attention event polling interval */
86 #define LPFC_ERATT_POLL_INTERVAL	5 /* EATT poll interval in seconds */
87 
88 /* Define macros for 64 bit support */
89 #define putPaddrLow(addr)    ((uint32_t) (0xffffffff & (u64)(addr)))
90 #define putPaddrHigh(addr)   ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
91 #define getPaddr(high, low)  ((dma_addr_t)( \
92 			     (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
93 /* Provide maximum configuration definitions. */
94 #define LPFC_DRVR_TIMEOUT	16	/* driver iocb timeout value in sec */
95 #define FC_MAX_ADPTMSG		64
96 
97 #define MAX_HBAEVT	32
98 #define MAX_HBAS_NO_RESET 16
99 
100 /* Number of MSI-X vectors the driver uses */
101 #define LPFC_MSIX_VECTORS	2
102 
103 /* lpfc wait event data ready flag */
104 #define LPFC_DATA_READY		0	/* bit 0 */
105 
106 /* queue dump line buffer size */
107 #define LPFC_LBUF_SZ		128
108 
109 /* mailbox system shutdown options */
110 #define LPFC_MBX_NO_WAIT	0
111 #define LPFC_MBX_WAIT		1
112 
113 #define LPFC_CFG_PARAM_MAGIC_NUM 0xFEAA0005
114 #define LPFC_PORT_CFG_NAME "/cfg/port.cfg"
115 
116 #define lpfc_rangecheck(val, min, max) \
117 	((uint)(val) >= (uint)(min) && (val) <= (max))
118 
119 enum lpfc_polling_flags {
120 	ENABLE_FCP_RING_POLLING = 0x1,
121 	DISABLE_FCP_RING_INT    = 0x2
122 };
123 
124 struct perf_prof {
125 	uint16_t cmd_cpu[40];
126 	uint16_t rsp_cpu[40];
127 	uint16_t qh_cpu[40];
128 	uint16_t wqidx[40];
129 };
130 
131 /*
132  * Provide for FC4 TYPE x28 - NVME.  The
133  * bit mask for FCP and NVME is 0x8 identically
134  * because they are 32 bit positions distance.
135  */
136 #define LPFC_FC4_TYPE_BITMASK	0x00000100
137 
138 /* Provide DMA memory definitions the driver uses per port instance. */
139 struct lpfc_dmabuf {
140 	struct list_head list;
141 	void *virt;		/* virtual address ptr */
142 	dma_addr_t phys;	/* mapped address */
143 	uint32_t   buffer_tag;	/* used for tagged queue ring */
144 };
145 
146 struct lpfc_nvmet_ctxbuf {
147 	struct list_head list;
148 	struct lpfc_async_xchg_ctx *context;
149 	struct lpfc_iocbq *iocbq;
150 	struct lpfc_sglq *sglq;
151 	struct work_struct defer_work;
152 };
153 
154 struct lpfc_dma_pool {
155 	struct lpfc_dmabuf   *elements;
156 	uint32_t    max_count;
157 	uint32_t    current_count;
158 };
159 
160 struct hbq_dmabuf {
161 	struct lpfc_dmabuf hbuf;
162 	struct lpfc_dmabuf dbuf;
163 	uint16_t total_size;
164 	uint16_t bytes_recv;
165 	uint32_t tag;
166 	struct lpfc_cq_event cq_event;
167 	unsigned long time_stamp;
168 	void *context;
169 };
170 
171 struct rqb_dmabuf {
172 	struct lpfc_dmabuf hbuf;
173 	struct lpfc_dmabuf dbuf;
174 	uint16_t total_size;
175 	uint16_t bytes_recv;
176 	uint16_t idx;
177 	struct lpfc_queue *hrq;	  /* ptr to associated Header RQ */
178 	struct lpfc_queue *drq;	  /* ptr to associated Data RQ */
179 };
180 
181 /* Priority bit.  Set value to exceed low water mark in lpfc_mem. */
182 #define MEM_PRI		0x100
183 
184 
185 /****************************************************************************/
186 /*      Device VPD save area                                                */
187 /****************************************************************************/
188 typedef struct lpfc_vpd {
189 	uint32_t status;	/* vpd status value */
190 	uint32_t length;	/* number of bytes actually returned */
191 	struct {
192 		uint32_t rsvd1;	/* Revision numbers */
193 		uint32_t biuRev;
194 		uint32_t smRev;
195 		uint32_t smFwRev;
196 		uint32_t endecRev;
197 		uint16_t rBit;
198 		uint8_t fcphHigh;
199 		uint8_t fcphLow;
200 		uint8_t feaLevelHigh;
201 		uint8_t feaLevelLow;
202 		uint32_t postKernRev;
203 		uint32_t opFwRev;
204 		uint8_t opFwName[16];
205 		uint32_t sli1FwRev;
206 		uint8_t sli1FwName[16];
207 		uint32_t sli2FwRev;
208 		uint8_t sli2FwName[16];
209 	} rev;
210 	struct {
211 #ifdef __BIG_ENDIAN_BITFIELD
212 		uint32_t rsvd3  :20;  /* Reserved                             */
213 		uint32_t rsvd2	: 3;  /* Reserved                             */
214 		uint32_t cbg	: 1;  /* Configure BlockGuard                 */
215 		uint32_t cmv	: 1;  /* Configure Max VPIs                   */
216 		uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
217 		uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
218 		uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
219 		uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
220 		uint32_t cerbm	: 1;  /* Configure Enhanced Receive Buf Mgmt  */
221 		uint32_t cmx	: 1;  /* Configure Max XRIs                   */
222 		uint32_t cmr	: 1;  /* Configure Max RPIs                   */
223 #else	/*  __LITTLE_ENDIAN */
224 		uint32_t cmr	: 1;  /* Configure Max RPIs                   */
225 		uint32_t cmx	: 1;  /* Configure Max XRIs                   */
226 		uint32_t cerbm	: 1;  /* Configure Enhanced Receive Buf Mgmt  */
227 		uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
228 		uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
229 		uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
230 		uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
231 		uint32_t cmv	: 1;  /* Configure Max VPIs                   */
232 		uint32_t cbg	: 1;  /* Configure BlockGuard                 */
233 		uint32_t rsvd2	: 3;  /* Reserved                             */
234 		uint32_t rsvd3  :20;  /* Reserved                             */
235 #endif
236 	} sli3Feat;
237 } lpfc_vpd_t;
238 
239 
240 /*
241  * lpfc stat counters
242  */
243 struct lpfc_stats {
244 	/* Statistics for ELS commands */
245 	uint32_t elsLogiCol;
246 	uint32_t elsRetryExceeded;
247 	uint32_t elsXmitRetry;
248 	uint32_t elsDelayRetry;
249 	uint32_t elsRcvDrop;
250 	uint32_t elsRcvFrame;
251 	uint32_t elsRcvRSCN;
252 	uint32_t elsRcvRNID;
253 	uint32_t elsRcvFARP;
254 	uint32_t elsRcvFARPR;
255 	uint32_t elsRcvFLOGI;
256 	uint32_t elsRcvPLOGI;
257 	uint32_t elsRcvADISC;
258 	uint32_t elsRcvPDISC;
259 	uint32_t elsRcvFAN;
260 	uint32_t elsRcvLOGO;
261 	uint32_t elsRcvPRLO;
262 	uint32_t elsRcvPRLI;
263 	uint32_t elsRcvLIRR;
264 	uint32_t elsRcvRLS;
265 	uint32_t elsRcvRPL;
266 	uint32_t elsRcvRRQ;
267 	uint32_t elsRcvRTV;
268 	uint32_t elsRcvECHO;
269 	uint32_t elsRcvLCB;
270 	uint32_t elsRcvRDP;
271 	uint32_t elsRcvRDF;
272 	uint32_t elsXmitFLOGI;
273 	uint32_t elsXmitFDISC;
274 	uint32_t elsXmitPLOGI;
275 	uint32_t elsXmitPRLI;
276 	uint32_t elsXmitADISC;
277 	uint32_t elsXmitLOGO;
278 	uint32_t elsXmitSCR;
279 	uint32_t elsXmitRSCN;
280 	uint32_t elsXmitRNID;
281 	uint32_t elsXmitFARP;
282 	uint32_t elsXmitFARPR;
283 	uint32_t elsXmitACC;
284 	uint32_t elsXmitLSRJT;
285 
286 	uint32_t frameRcvBcast;
287 	uint32_t frameRcvMulti;
288 	uint32_t strayXmitCmpl;
289 	uint32_t frameXmitDelay;
290 	uint32_t xriCmdCmpl;
291 	uint32_t xriStatErr;
292 	uint32_t LinkUp;
293 	uint32_t LinkDown;
294 	uint32_t LinkMultiEvent;
295 	uint32_t NoRcvBuf;
296 	uint32_t fcpCmd;
297 	uint32_t fcpCmpl;
298 	uint32_t fcpRspErr;
299 	uint32_t fcpRemoteStop;
300 	uint32_t fcpPortRjt;
301 	uint32_t fcpPortBusy;
302 	uint32_t fcpError;
303 	uint32_t fcpLocalErr;
304 };
305 
306 struct lpfc_hba;
307 
308 
309 #define LPFC_VMID_TIMER   300	/* timer interval in seconds */
310 
311 #define LPFC_MAX_VMID_SIZE      256
312 #define LPFC_COMPRESS_VMID_SIZE 16
313 
314 union lpfc_vmid_io_tag {
315 	u32 app_id;	/* App Id vmid */
316 	u8 cs_ctl_vmid;	/* Priority tag vmid */
317 };
318 
319 #define JIFFIES_PER_HR	(HZ * 60 * 60)
320 
321 struct lpfc_vmid {
322 	u8 flag;
323 #define LPFC_VMID_SLOT_FREE     0x0
324 #define LPFC_VMID_SLOT_USED     0x1
325 #define LPFC_VMID_REQ_REGISTER  0x2
326 #define LPFC_VMID_REGISTERED    0x4
327 #define LPFC_VMID_DE_REGISTER   0x8
328 	char host_vmid[LPFC_MAX_VMID_SIZE];
329 	union lpfc_vmid_io_tag un;
330 	struct hlist_node hnode;
331 	u64 io_rd_cnt;
332 	u64 io_wr_cnt;
333 	u8 vmid_len;
334 	u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */
335 	u32 hash_index;
336 	u64 __percpu *last_io_time;
337 };
338 
339 #define lpfc_vmid_is_type_priority_tag(vport)\
340 	(vport->vmid_priority_tagging ? 1 : 0)
341 
342 #define LPFC_VMID_HASH_SIZE     256
343 #define LPFC_VMID_HASH_MASK     255
344 #define LPFC_VMID_HASH_SHIFT    6
345 
346 struct lpfc_vmid_context {
347 	struct lpfc_vmid *vmp;
348 	struct lpfc_nodelist *nlp;
349 	bool instantiated;
350 };
351 
352 struct lpfc_vmid_priority_range {
353 	u8 low;
354 	u8 high;
355 	u8 qos;
356 };
357 
358 struct lpfc_vmid_priority_info {
359 	u32 num_descriptors;
360 	struct lpfc_vmid_priority_range *vmid_range;
361 };
362 
363 #define QFPA_EVEN_ONLY 0x01
364 #define QFPA_ODD_ONLY  0x02
365 #define QFPA_EVEN_ODD  0x03
366 
367 enum discovery_state {
368 	LPFC_VPORT_UNKNOWN     =  0,    /* vport state is unknown */
369 	LPFC_VPORT_FAILED      =  1,    /* vport has failed */
370 	LPFC_LOCAL_CFG_LINK    =  6,    /* local NPORT Id configured */
371 	LPFC_FLOGI             =  7,    /* FLOGI sent to Fabric */
372 	LPFC_FDISC             =  8,    /* FDISC sent for vport */
373 	LPFC_FABRIC_CFG_LINK   =  9,    /* Fabric assigned NPORT Id
374 				         * configured */
375 	LPFC_NS_REG            =  10,   /* Register with NameServer */
376 	LPFC_NS_QRY            =  11,   /* Query NameServer for NPort ID list */
377 	LPFC_BUILD_DISC_LIST   =  12,   /* Build ADISC and PLOGI lists for
378 				         * device authentication / discovery */
379 	LPFC_DISC_AUTH         =  13,   /* Processing ADISC list */
380 	LPFC_VPORT_READY       =  32,
381 };
382 
383 enum hba_state {
384 	LPFC_LINK_UNKNOWN    =   0,   /* HBA state is unknown */
385 	LPFC_WARM_START      =   1,   /* HBA state after selective reset */
386 	LPFC_INIT_START      =   2,   /* Initial state after board reset */
387 	LPFC_INIT_MBX_CMDS   =   3,   /* Initialize HBA with mbox commands */
388 	LPFC_LINK_DOWN       =   4,   /* HBA initialized, link is down */
389 	LPFC_LINK_UP         =   5,   /* Link is up  - issue READ_LA */
390 	LPFC_CLEAR_LA        =   6,   /* authentication cmplt - issue
391 				       * CLEAR_LA */
392 	LPFC_HBA_READY       =  32,
393 	LPFC_HBA_ERROR       =  -1
394 };
395 
396 struct lpfc_trunk_link_state {
397 	enum hba_state state;
398 	uint8_t fault;
399 };
400 
401 struct lpfc_trunk_link  {
402 	struct lpfc_trunk_link_state link0,
403 				     link1,
404 				     link2,
405 				     link3;
406 	u32 phy_lnk_speed;
407 };
408 
409 /* Format of congestion module parameters */
410 struct lpfc_cgn_param {
411 	uint32_t cgn_param_magic;
412 	uint8_t  cgn_param_version;	/* version 1 */
413 	uint8_t  cgn_param_mode;	/* 0=off 1=managed 2=monitor only */
414 #define LPFC_CFG_OFF		0
415 #define LPFC_CFG_MANAGED	1
416 #define LPFC_CFG_MONITOR	2
417 	uint8_t  cgn_rsvd1;
418 	uint8_t  cgn_rsvd2;
419 	uint8_t  cgn_param_level0;
420 	uint8_t  cgn_param_level1;
421 	uint8_t  cgn_param_level2;
422 	uint8_t  byte11;
423 	uint8_t  byte12;
424 	uint8_t  byte13;
425 	uint8_t  byte14;
426 	uint8_t  byte15;
427 };
428 
429 /* Max number of days of congestion data */
430 #define LPFC_MAX_CGN_DAYS 10
431 
432 /* Format of congestion buffer info
433  * This structure defines memory thats allocated and registered with
434  * the HBA firmware. When adding or removing fields from this structure
435  * the alignment must match the HBA firmware.
436  */
437 
438 struct lpfc_cgn_info {
439 	/* Header */
440 	__le16   cgn_info_size;		/* is sizeof(struct lpfc_cgn_info) */
441 	uint8_t  cgn_info_version;	/* represents format of structure */
442 #define LPFC_CGN_INFO_V1	1
443 #define LPFC_CGN_INFO_V2	2
444 #define LPFC_CGN_INFO_V3	3
445 	uint8_t  cgn_info_mode;		/* 0=off 1=managed 2=monitor only */
446 	uint8_t  cgn_info_detect;
447 	uint8_t  cgn_info_action;
448 	uint8_t  cgn_info_level0;
449 	uint8_t  cgn_info_level1;
450 	uint8_t  cgn_info_level2;
451 
452 	/* Start Time */
453 	uint8_t  cgn_info_month;
454 	uint8_t  cgn_info_day;
455 	uint8_t  cgn_info_year;
456 	uint8_t  cgn_info_hour;
457 	uint8_t  cgn_info_minute;
458 	uint8_t  cgn_info_second;
459 
460 	/* minute / hours / daily indices */
461 	uint8_t  cgn_index_minute;
462 	uint8_t  cgn_index_hour;
463 	uint8_t  cgn_index_day;
464 
465 	__le16   cgn_warn_freq;
466 	__le16   cgn_alarm_freq;
467 	__le16   cgn_lunq;
468 	uint8_t  cgn_pad1[8];
469 
470 	/* Driver Information */
471 	__le16   cgn_drvr_min[60];
472 	__le32   cgn_drvr_hr[24];
473 	__le32   cgn_drvr_day[LPFC_MAX_CGN_DAYS];
474 
475 	/* Congestion Warnings */
476 	__le16   cgn_warn_min[60];
477 	__le32   cgn_warn_hr[24];
478 	__le32   cgn_warn_day[LPFC_MAX_CGN_DAYS];
479 
480 	/* Latency Information */
481 	__le32   cgn_latency_min[60];
482 	__le32   cgn_latency_hr[24];
483 	__le32   cgn_latency_day[LPFC_MAX_CGN_DAYS];
484 
485 	/* Bandwidth Information */
486 	__le16   cgn_bw_min[60];
487 	__le16   cgn_bw_hr[24];
488 	__le16   cgn_bw_day[LPFC_MAX_CGN_DAYS];
489 
490 	/* Congestion Alarms */
491 	__le16   cgn_alarm_min[60];
492 	__le32   cgn_alarm_hr[24];
493 	__le32   cgn_alarm_day[LPFC_MAX_CGN_DAYS];
494 
495 	struct_group(cgn_stat,
496 		uint8_t  cgn_stat_npm;		/* Notifications per minute */
497 
498 		/* Start Time */
499 		uint8_t  cgn_stat_month;
500 		uint8_t  cgn_stat_day;
501 		uint8_t  cgn_stat_year;
502 		uint8_t  cgn_stat_hour;
503 		uint8_t  cgn_stat_minute;
504 		uint8_t  cgn_pad2[2];
505 
506 		__le32   cgn_notification;
507 		__le32   cgn_peer_notification;
508 		__le32   link_integ_notification;
509 		__le32   delivery_notification;
510 
511 		uint8_t  cgn_stat_cgn_month; /* Last congestion notification FPIN */
512 		uint8_t  cgn_stat_cgn_day;
513 		uint8_t  cgn_stat_cgn_year;
514 		uint8_t  cgn_stat_cgn_hour;
515 		uint8_t  cgn_stat_cgn_min;
516 		uint8_t  cgn_stat_cgn_sec;
517 
518 		uint8_t  cgn_stat_peer_month; /* Last peer congestion FPIN */
519 		uint8_t  cgn_stat_peer_day;
520 		uint8_t  cgn_stat_peer_year;
521 		uint8_t  cgn_stat_peer_hour;
522 		uint8_t  cgn_stat_peer_min;
523 		uint8_t  cgn_stat_peer_sec;
524 
525 		uint8_t  cgn_stat_lnk_month; /* Last link integrity FPIN */
526 		uint8_t  cgn_stat_lnk_day;
527 		uint8_t  cgn_stat_lnk_year;
528 		uint8_t  cgn_stat_lnk_hour;
529 		uint8_t  cgn_stat_lnk_min;
530 		uint8_t  cgn_stat_lnk_sec;
531 
532 		uint8_t  cgn_stat_del_month; /* Last delivery notification FPIN */
533 		uint8_t  cgn_stat_del_day;
534 		uint8_t  cgn_stat_del_year;
535 		uint8_t  cgn_stat_del_hour;
536 		uint8_t  cgn_stat_del_min;
537 		uint8_t  cgn_stat_del_sec;
538 	);
539 
540 	__le32   cgn_info_crc;
541 #define LPFC_CGN_CRC32_MAGIC_NUMBER	0x1EDC6F41
542 #define LPFC_CGN_CRC32_SEED		0xFFFFFFFF
543 };
544 
545 #define LPFC_CGN_INFO_SZ	(sizeof(struct lpfc_cgn_info) -  \
546 				sizeof(uint32_t))
547 
548 struct lpfc_cgn_stat {
549 	atomic64_t total_bytes;
550 	atomic64_t rcv_bytes;
551 	atomic64_t rx_latency;
552 #define LPFC_CGN_NOT_SENT	0xFFFFFFFFFFFFFFFFLL
553 	atomic_t rx_io_cnt;
554 };
555 
556 struct lpfc_cgn_acqe_stat {
557 	atomic64_t alarm;
558 	atomic64_t warn;
559 };
560 
561 struct lpfc_vport {
562 	struct lpfc_hba *phba;
563 	struct list_head listentry;
564 	uint8_t port_type;
565 #define LPFC_PHYSICAL_PORT 1
566 #define LPFC_NPIV_PORT  2
567 #define LPFC_FABRIC_PORT 3
568 	enum discovery_state port_state;
569 
570 	uint16_t vpi;
571 	uint16_t vfi;
572 	uint8_t vpi_state;
573 #define LPFC_VPI_REGISTERED	0x1
574 
575 	uint32_t fc_flag;	/* FC flags */
576 /* Several of these flags are HBA centric and should be moved to
577  * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
578  */
579 #define FC_PT2PT                0x1	 /* pt2pt with no fabric */
580 #define FC_PT2PT_PLOGI          0x2	 /* pt2pt initiate PLOGI */
581 #define FC_DISC_TMO             0x4	 /* Discovery timer running */
582 #define FC_PUBLIC_LOOP          0x8	 /* Public loop */
583 #define FC_LBIT                 0x10	 /* LOGIN bit in loopinit set */
584 #define FC_RSCN_MODE            0x20	 /* RSCN cmd rcv'ed */
585 #define FC_NLP_MORE             0x40	 /* More node to process in node tbl */
586 #define FC_OFFLINE_MODE         0x80	 /* Interface is offline for diag */
587 #define FC_FABRIC               0x100	 /* We are fabric attached */
588 #define FC_VPORT_LOGO_RCVD      0x200    /* LOGO received on vport */
589 #define FC_RSCN_DISCOVERY       0x400	 /* Auth all devices after RSCN */
590 #define FC_LOGO_RCVD_DID_CHNG   0x800    /* FDISC on phys port detect DID chng*/
591 #define FC_PT2PT_NO_NVME        0x1000   /* Don't send NVME PRLI */
592 #define FC_SCSI_SCAN_TMO        0x4000	 /* scsi scan timer running */
593 #define FC_ABORT_DISCOVERY      0x8000	 /* we want to abort discovery */
594 #define FC_NDISC_ACTIVE         0x10000	 /* NPort discovery active */
595 #define FC_BYPASSED_MODE        0x20000	 /* NPort is in bypassed mode */
596 #define FC_VPORT_NEEDS_REG_VPI	0x80000  /* Needs to have its vpi registered */
597 #define FC_RSCN_DEFERRED	0x100000 /* A deferred RSCN being processed */
598 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
599 #define FC_VPORT_CVL_RCVD	0x400000 /* VLink failed due to CVL	 */
600 #define FC_VFI_REGISTERED	0x800000 /* VFI is registered */
601 #define FC_FDISC_COMPLETED	0x1000000/* FDISC completed */
602 #define FC_DISC_DELAYED		0x2000000/* Delay NPort discovery */
603 
604 	uint32_t ct_flags;
605 #define FC_CT_RFF_ID		0x1	 /* RFF_ID accepted by switch */
606 #define FC_CT_RNN_ID		0x2	 /* RNN_ID accepted by switch */
607 #define FC_CT_RSNN_NN		0x4	 /* RSNN_NN accepted by switch */
608 #define FC_CT_RSPN_ID		0x8	 /* RSPN_ID accepted by switch */
609 #define FC_CT_RFT_ID		0x10	 /* RFT_ID accepted by switch */
610 #define FC_CT_RPRT_DEFER	0x20	 /* Defer issuing FDMI RPRT */
611 
612 	struct list_head fc_nodes;
613 
614 	/* Keep counters for the number of entries in each list. */
615 	uint16_t fc_plogi_cnt;
616 	uint16_t fc_adisc_cnt;
617 	uint16_t fc_reglogin_cnt;
618 	uint16_t fc_prli_cnt;
619 	uint16_t fc_unmap_cnt;
620 	uint16_t fc_map_cnt;
621 	uint16_t fc_npr_cnt;
622 	uint16_t fc_unused_cnt;
623 	struct serv_parm fc_sparam;	/* buffer for our service parameters */
624 
625 	uint32_t fc_myDID;	/* fibre channel S_ID */
626 	uint32_t fc_prevDID;	/* previous fibre channel S_ID */
627 	struct lpfc_name fabric_portname;
628 	struct lpfc_name fabric_nodename;
629 
630 	int32_t stopped;   /* HBA has not been restarted since last ERATT */
631 	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */
632 
633 	uint32_t num_disc_nodes;	/* in addition to hba_state */
634 	uint32_t gidft_inp;		/* cnt of outstanding GID_FTs */
635 
636 	uint32_t fc_nlp_cnt;	/* outstanding NODELIST requests */
637 	uint32_t fc_rscn_id_cnt;	/* count of RSCNs payloads in list */
638 	uint32_t fc_rscn_flush;		/* flag use of fc_rscn_id_list */
639 	struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
640 	struct lpfc_name fc_nodename;	/* fc nodename */
641 	struct lpfc_name fc_portname;	/* fc portname */
642 
643 	struct lpfc_work_evt disc_timeout_evt;
644 
645 	struct timer_list fc_disctmo;	/* Discovery rescue timer */
646 	uint8_t fc_ns_retry;	/* retries for fabric nameserver */
647 	uint32_t fc_prli_sent;	/* cntr for outstanding PRLIs */
648 
649 	spinlock_t work_port_lock;
650 	uint32_t work_port_events; /* Timeout to be handled  */
651 #define WORKER_DISC_TMO                0x1	/* vport: Discovery timeout */
652 #define WORKER_ELS_TMO                 0x2	/* vport: ELS timeout */
653 #define WORKER_DELAYED_DISC_TMO        0x8	/* vport: delayed discovery */
654 
655 #define WORKER_MBOX_TMO                0x100	/* hba: MBOX timeout */
656 #define WORKER_HB_TMO                  0x200	/* hba: Heart beat timeout */
657 #define WORKER_FABRIC_BLOCK_TMO        0x400	/* hba: fabric block timeout */
658 #define WORKER_RAMP_DOWN_QUEUE         0x800	/* hba: Decrease Q depth */
659 #define WORKER_RAMP_UP_QUEUE           0x1000	/* hba: Increase Q depth */
660 #define WORKER_SERVICE_TXQ             0x2000	/* hba: IOCBs on the txq */
661 #define WORKER_CHECK_INACTIVE_VMID     0x4000	/* hba: check inactive vmids */
662 #define WORKER_CHECK_VMID_ISSUE_QFPA   0x8000	/* vport: Check if qfpa needs
663 						 * to be issued */
664 
665 	struct timer_list els_tmofunc;
666 	struct timer_list delayed_disc_tmo;
667 
668 	uint8_t load_flag;
669 #define FC_LOADING		0x1	/* HBA in process of loading drvr */
670 #define FC_UNLOADING		0x2	/* HBA in process of unloading drvr */
671 #define FC_ALLOW_FDMI		0x4	/* port is ready for FDMI requests */
672 #define FC_ALLOW_VMID		0x8	/* Allow VMID I/Os */
673 #define FC_DEREGISTER_ALL_APP_ID	0x10	/* Deregister all VMIDs */
674 	/* Vport Config Parameters */
675 	uint32_t cfg_scan_down;
676 	uint32_t cfg_lun_queue_depth;
677 	uint32_t cfg_nodev_tmo;
678 	uint32_t cfg_devloss_tmo;
679 	uint32_t cfg_restrict_login;
680 	uint32_t cfg_peer_port_login;
681 	uint32_t cfg_fcp_class;
682 	uint32_t cfg_use_adisc;
683 	uint32_t cfg_discovery_threads;
684 	uint32_t cfg_log_verbose;
685 	uint32_t cfg_enable_fc4_type;
686 	uint32_t cfg_max_luns;
687 	uint32_t cfg_enable_da_id;
688 	uint32_t cfg_max_scsicmpl_time;
689 	uint32_t cfg_tgt_queue_depth;
690 	uint32_t cfg_first_burst_size;
691 	uint32_t dev_loss_tmo_changed;
692 	/* VMID parameters */
693 	u8 lpfc_vmid_host_uuid[LPFC_COMPRESS_VMID_SIZE];
694 	u32 max_vmid;	/* maximum VMIDs allowed per port */
695 	u32 cur_vmid_cnt;	/* Current VMID count */
696 #define LPFC_MIN_VMID	4
697 #define LPFC_MAX_VMID	255
698 	u32 vmid_inactivity_timeout;	/* Time after which the VMID */
699 						/* deregisters from switch */
700 	u32 vmid_priority_tagging;
701 #define LPFC_VMID_PRIO_TAG_DISABLE	0 /* Disable */
702 #define LPFC_VMID_PRIO_TAG_SUP_TARGETS	1 /* Allow supported targets only */
703 #define LPFC_VMID_PRIO_TAG_ALL_TARGETS	2 /* Allow all targets */
704 	unsigned long *vmid_priority_range;
705 #define LPFC_VMID_MAX_PRIORITY_RANGE    256
706 #define LPFC_VMID_PRIORITY_BITMAP_SIZE  32
707 	u8 vmid_flag;
708 #define LPFC_VMID_IN_USE		0x1
709 #define LPFC_VMID_ISSUE_QFPA		0x2
710 #define LPFC_VMID_QFPA_CMPL		0x4
711 #define LPFC_VMID_QOS_ENABLED		0x8
712 #define LPFC_VMID_TIMER_ENBLD		0x10
713 #define LPFC_VMID_TYPE_PRIO		0x20
714 	struct fc_qfpa_res *qfpa_res;
715 
716 	struct fc_vport *fc_vport;
717 
718 	struct lpfc_vmid *vmid;
719 	DECLARE_HASHTABLE(hash_table, 8);
720 	rwlock_t vmid_lock;
721 	struct lpfc_vmid_priority_info vmid_priority;
722 
723 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
724 	struct dentry *debug_disc_trc;
725 	struct dentry *debug_nodelist;
726 	struct dentry *debug_nvmestat;
727 	struct dentry *debug_scsistat;
728 	struct dentry *debug_ioktime;
729 	struct dentry *debug_hdwqstat;
730 	struct dentry *vport_debugfs_root;
731 	struct lpfc_debugfs_trc *disc_trc;
732 	atomic_t disc_trc_cnt;
733 #endif
734 	struct list_head rcv_buffer_list;
735 	unsigned long rcv_buffer_time_stamp;
736 	uint32_t vport_flag;
737 #define STATIC_VPORT		0x1
738 #define FAWWPN_PARAM_CHG	0x2
739 
740 	uint16_t fdmi_num_disc;
741 	uint32_t fdmi_hba_mask;
742 	uint32_t fdmi_port_mask;
743 
744 	/* There is a single nvme instance per vport. */
745 	struct nvme_fc_local_port *localport;
746 	uint8_t  nvmei_support; /* driver supports NVME Initiator */
747 	uint32_t last_fcp_wqidx;
748 	uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */
749 };
750 
751 struct hbq_s {
752 	uint16_t entry_count;	  /* Current number of HBQ slots */
753 	uint16_t buffer_count;	  /* Current number of buffers posted */
754 	uint32_t next_hbqPutIdx;  /* Index to next HBQ slot to use */
755 	uint32_t hbqPutIdx;	  /* HBQ slot to use */
756 	uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
757 	void    *hbq_virt;	  /* Virtual ptr to this hbq */
758 	struct list_head hbq_buffer_list;  /* buffers assigned to this HBQ */
759 				  /* Callback for HBQ buffer allocation */
760 	struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
761 				  /* Callback for HBQ buffer free */
762 	void               (*hbq_free_buffer) (struct lpfc_hba *,
763 					       struct hbq_dmabuf *);
764 };
765 
766 /* this matches the position in the lpfc_hbq_defs array */
767 #define LPFC_ELS_HBQ	0
768 #define LPFC_MAX_HBQS	1
769 
770 enum hba_temp_state {
771 	HBA_NORMAL_TEMP,
772 	HBA_OVER_TEMP
773 };
774 
775 enum intr_type_t {
776 	NONE = 0,
777 	INTx,
778 	MSI,
779 	MSIX,
780 };
781 
782 #define LPFC_CT_CTX_MAX		64
783 struct unsol_rcv_ct_ctx {
784 	uint32_t ctxt_id;
785 	uint32_t SID;
786 	uint32_t valid;
787 #define UNSOL_INVALID		0
788 #define UNSOL_VALID		1
789 	uint16_t oxid;
790 	uint16_t rxid;
791 };
792 
793 #define LPFC_USER_LINK_SPEED_AUTO	0	/* auto select (default)*/
794 #define LPFC_USER_LINK_SPEED_1G		1	/* 1 Gigabaud */
795 #define LPFC_USER_LINK_SPEED_2G		2	/* 2 Gigabaud */
796 #define LPFC_USER_LINK_SPEED_4G		4	/* 4 Gigabaud */
797 #define LPFC_USER_LINK_SPEED_8G		8	/* 8 Gigabaud */
798 #define LPFC_USER_LINK_SPEED_10G	10	/* 10 Gigabaud */
799 #define LPFC_USER_LINK_SPEED_16G	16	/* 16 Gigabaud */
800 #define LPFC_USER_LINK_SPEED_32G	32	/* 32 Gigabaud */
801 #define LPFC_USER_LINK_SPEED_64G	64	/* 64 Gigabaud */
802 #define LPFC_USER_LINK_SPEED_MAX	LPFC_USER_LINK_SPEED_64G
803 
804 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
805 
806 enum nemb_type {
807 	nemb_mse = 1,
808 	nemb_hbd
809 };
810 
811 enum mbox_type {
812 	mbox_rd = 1,
813 	mbox_wr
814 };
815 
816 enum dma_type {
817 	dma_mbox = 1,
818 	dma_ebuf
819 };
820 
821 enum sta_type {
822 	sta_pre_addr = 1,
823 	sta_pos_addr
824 };
825 
826 struct lpfc_mbox_ext_buf_ctx {
827 	uint32_t state;
828 #define LPFC_BSG_MBOX_IDLE		0
829 #define LPFC_BSG_MBOX_HOST              1
830 #define LPFC_BSG_MBOX_PORT		2
831 #define LPFC_BSG_MBOX_DONE		3
832 #define LPFC_BSG_MBOX_ABTS		4
833 	enum nemb_type nembType;
834 	enum mbox_type mboxType;
835 	uint32_t numBuf;
836 	uint32_t mbxTag;
837 	uint32_t seqNum;
838 	struct lpfc_dmabuf *mbx_dmabuf;
839 	struct list_head ext_dmabuf_list;
840 };
841 
842 struct lpfc_epd_pool {
843 	/* Expedite pool */
844 	struct list_head list;
845 	u32 count;
846 	spinlock_t lock;	/* lock for expedite pool */
847 };
848 
849 enum ras_state {
850 	INACTIVE,
851 	REG_INPROGRESS,
852 	ACTIVE
853 };
854 
855 struct lpfc_ras_fwlog {
856 	uint8_t *fwlog_buff;
857 	uint32_t fw_buffcount; /* Buffer size posted to FW */
858 #define LPFC_RAS_BUFF_ENTERIES  16      /* Each entry can hold max of 64k */
859 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
860 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
861 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
862 	uint32_t fw_loglevel; /* Log level set */
863 	struct lpfc_dmabuf lwpd;
864 	struct list_head fwlog_buff_list;
865 
866 	/* RAS support status on adapter */
867 	bool ras_hwsupport; /* RAS Support available on HW or not */
868 	bool ras_enabled;   /* Ras Enabled for the function */
869 #define LPFC_RAS_DISABLE_LOGGING 0x00
870 #define LPFC_RAS_ENABLE_LOGGING 0x01
871 	enum ras_state state;    /* RAS logging running state */
872 };
873 
874 #define DBG_LOG_STR_SZ 256
875 #define DBG_LOG_SZ 256
876 
877 struct dbg_log_ent {
878 	char log[DBG_LOG_STR_SZ];
879 	u64     t_ns;
880 };
881 
882 enum lpfc_irq_chann_mode {
883 	/* Assign IRQs to all possible cpus that have hardware queues */
884 	NORMAL_MODE,
885 
886 	/* Assign IRQs only to cpus on the same numa node as HBA */
887 	NUMA_MODE,
888 
889 	/* Assign IRQs only on non-hyperthreaded CPUs. This is the
890 	 * same as normal_mode, but assign IRQS only on physical CPUs.
891 	 */
892 	NHT_MODE,
893 };
894 
895 enum lpfc_hba_bit_flags {
896 	FABRIC_COMANDS_BLOCKED,
897 	HBA_PCI_ERR,
898 };
899 
900 struct lpfc_hba {
901 	/* SCSI interface function jump table entries */
902 	struct lpfc_io_buf * (*lpfc_get_scsi_buf)
903 		(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
904 		struct scsi_cmnd *cmnd);
905 	int (*lpfc_scsi_prep_dma_buf)
906 		(struct lpfc_hba *, struct lpfc_io_buf *);
907 	void (*lpfc_scsi_unprep_dma_buf)
908 		(struct lpfc_hba *, struct lpfc_io_buf *);
909 	void (*lpfc_release_scsi_buf)
910 		(struct lpfc_hba *, struct lpfc_io_buf *);
911 	void (*lpfc_rampdown_queue_depth)
912 		(struct lpfc_hba *);
913 	void (*lpfc_scsi_prep_cmnd)
914 		(struct lpfc_vport *, struct lpfc_io_buf *,
915 		 struct lpfc_nodelist *);
916 	int (*lpfc_scsi_prep_cmnd_buf)
917 		(struct lpfc_vport *vport,
918 		 struct lpfc_io_buf *lpfc_cmd,
919 		 uint8_t tmo);
920 	int (*lpfc_scsi_prep_task_mgmt_cmd)
921 		(struct lpfc_vport *vport,
922 		 struct lpfc_io_buf *lpfc_cmd,
923 		 u64 lun, u8 task_mgmt_cmd);
924 
925 	/* IOCB interface function jump table entries */
926 	int (*__lpfc_sli_issue_iocb)
927 		(struct lpfc_hba *, uint32_t,
928 		 struct lpfc_iocbq *, uint32_t);
929 	int (*__lpfc_sli_issue_fcp_io)
930 		(struct lpfc_hba *phba, uint32_t ring_number,
931 		 struct lpfc_iocbq *piocb, uint32_t flag);
932 	void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
933 			 struct lpfc_iocbq *);
934 	int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
935 	void (*lpfc_scsi_cmd_iocb_cmpl)
936 		(struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
937 
938 	/* MBOX interface function jump table entries */
939 	int (*lpfc_sli_issue_mbox)
940 		(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
941 
942 	/* Slow-path IOCB process function jump table entries */
943 	void (*lpfc_sli_handle_slow_ring_event)
944 		(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
945 		 uint32_t mask);
946 
947 	/* INIT device interface function jump table entries */
948 	int (*lpfc_sli_hbq_to_firmware)
949 		(struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
950 	int (*lpfc_sli_brdrestart)
951 		(struct lpfc_hba *);
952 	int (*lpfc_sli_brdready)
953 		(struct lpfc_hba *, uint32_t);
954 	void (*lpfc_handle_eratt)
955 		(struct lpfc_hba *);
956 	void (*lpfc_stop_port)
957 		(struct lpfc_hba *);
958 	int (*lpfc_hba_init_link)
959 		(struct lpfc_hba *, uint32_t);
960 	int (*lpfc_hba_down_link)
961 		(struct lpfc_hba *, uint32_t);
962 	int (*lpfc_selective_reset)
963 		(struct lpfc_hba *);
964 
965 	int (*lpfc_bg_scsi_prep_dma_buf)
966 		(struct lpfc_hba *, struct lpfc_io_buf *);
967 
968 	/* Prep SLI WQE/IOCB jump table entries */
969 	void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq,
970 					    struct lpfc_vport *vport,
971 					    struct lpfc_dmabuf *bmp,
972 					    u16 cmd_size, u32 did, u32 elscmd,
973 					    u8 tmo, u8 expect_rsp);
974 	void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq,
975 					struct lpfc_dmabuf *bmp, u16 rpi,
976 					u32 num_entry, u8 tmo);
977 	void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq,
978 					   struct lpfc_dmabuf *bmp, u16 rpi,
979 					   u16 ox_id, u32 num_entry, u8 rctl,
980 					   u8 last_seq, u8 cr_cx_cmd);
981 	void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq,
982 					  u16 ulp_context, u16 iotag,
983 					  u8 ulp_class, u16 cqid, bool ia,
984 					  bool wqec);
985 
986 	/* expedite pool */
987 	struct lpfc_epd_pool epd_pool;
988 
989 	/* SLI4 specific HBA data structure */
990 	struct lpfc_sli4_hba sli4_hba;
991 
992 	struct workqueue_struct *wq;
993 	struct delayed_work     eq_delay_work;
994 
995 #define LPFC_IDLE_STAT_DELAY 1000
996 	struct delayed_work	idle_stat_delay_work;
997 
998 	struct lpfc_sli sli;
999 	uint8_t pci_dev_grp;	/* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
1000 	uint32_t sli_rev;		/* SLI2, SLI3, or SLI4 */
1001 	uint32_t sli3_options;		/* Mask of enabled SLI3 options */
1002 #define LPFC_SLI3_HBQ_ENABLED		0x01
1003 #define LPFC_SLI3_NPIV_ENABLED		0x02
1004 #define LPFC_SLI3_VPORT_TEARDOWN	0x04
1005 #define LPFC_SLI3_CRP_ENABLED		0x08
1006 #define LPFC_SLI3_BG_ENABLED		0x20
1007 #define LPFC_SLI3_DSS_ENABLED		0x40
1008 #define LPFC_SLI4_PERFH_ENABLED		0x80
1009 #define LPFC_SLI4_PHWQ_ENABLED		0x100
1010 	uint32_t iocb_cmd_size;
1011 	uint32_t iocb_rsp_size;
1012 
1013 	struct lpfc_trunk_link  trunk_link;
1014 	enum hba_state link_state;
1015 	uint32_t link_flag;	/* link state flags */
1016 #define LS_LOOPBACK_MODE      0x1	/* NPort is in Loopback mode */
1017 					/* This flag is set while issuing */
1018 					/* INIT_LINK mailbox command */
1019 #define LS_NPIV_FAB_SUPPORTED 0x2	/* Fabric supports NPIV */
1020 #define LS_IGNORE_ERATT       0x4	/* intr handler should ignore ERATT */
1021 #define LS_MDS_LINK_DOWN      0x8	/* MDS Diagnostics Link Down */
1022 #define LS_MDS_LOOPBACK       0x10	/* MDS Diagnostics Link Up (Loopback) */
1023 #define LS_CT_VEN_RPA         0x20	/* Vendor RPA sent to switch */
1024 #define LS_EXTERNAL_LOOPBACK  0x40	/* External loopback plug inserted */
1025 
1026 	uint32_t hba_flag;	/* hba generic flags */
1027 #define HBA_ERATT_HANDLED	0x1 /* This flag is set when eratt handled */
1028 #define DEFER_ERATT		0x2 /* Deferred error attention in progress */
1029 #define HBA_FCOE_MODE		0x4 /* HBA function in FCoE Mode */
1030 #define HBA_SP_QUEUE_EVT	0x8 /* Slow-path qevt posted to worker thread*/
1031 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
1032 #define HBA_PERSISTENT_TOPO	0x20 /* Persistent topology support in hba */
1033 #define ELS_XRI_ABORT_EVENT	0x40 /* ELS_XRI abort event was queued */
1034 #define ASYNC_EVENT		0x80
1035 #define LINK_DISABLED		0x100 /* Link disabled by user */
1036 #define FCF_TS_INPROG           0x200 /* FCF table scan in progress */
1037 #define FCF_RR_INPROG           0x400 /* FCF roundrobin flogi in progress */
1038 #define HBA_FIP_SUPPORT		0x800 /* FIP support in HBA */
1039 #define HBA_AER_ENABLED		0x1000 /* AER enabled with HBA */
1040 #define HBA_DEVLOSS_TMO         0x2000 /* HBA in devloss timeout */
1041 #define HBA_RRQ_ACTIVE		0x4000 /* process the rrq active list */
1042 #define HBA_IOQ_FLUSH		0x8000 /* FCP/NVME I/O queues being flushed */
1043 #define HBA_RECOVERABLE_UE	0x20000 /* Firmware supports recoverable UE */
1044 #define HBA_FORCED_LINK_SPEED	0x40000 /*
1045 					 * Firmware supports Forced Link Speed
1046 					 * capability
1047 					 */
1048 #define HBA_FLOGI_ISSUED	0x100000 /* FLOGI was issued */
1049 #define HBA_SHORT_CMF		0x200000 /* shorter CMF timer routine */
1050 #define HBA_CGN_DAY_WRAP	0x400000 /* HBA Congestion info day wraps */
1051 #define HBA_DEFER_FLOGI		0x800000 /* Defer FLOGI till read_sparm cmpl */
1052 #define HBA_SETUP		0x1000000 /* Signifies HBA setup is completed */
1053 #define HBA_NEEDS_CFG_PORT	0x2000000 /* SLI3 - needs a CONFIG_PORT mbox */
1054 #define HBA_HBEAT_INP		0x4000000 /* mbox HBEAT is in progress */
1055 #define HBA_HBEAT_TMO		0x8000000 /* HBEAT initiated after timeout */
1056 #define HBA_FLOGI_OUTSTANDING	0x10000000 /* FLOGI is outstanding */
1057 #define HBA_RHBA_CMPL		0x20000000 /* RHBA FDMI command is successful */
1058 
1059 	struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */
1060 	uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
1061 	struct lpfc_dmabuf slim2p;
1062 
1063 	MAILBOX_t *mbox;
1064 	uint32_t *mbox_ext;
1065 	struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
1066 	uint32_t ha_copy;
1067 	struct _PCB *pcb;
1068 	struct _IOCB *IOCBs;
1069 
1070 	struct lpfc_dmabuf hbqslimp;
1071 
1072 	uint16_t pci_cfg_value;
1073 
1074 	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */
1075 
1076 	uint32_t fc_eventTag;	/* event tag for link attention */
1077 	uint32_t link_events;
1078 
1079 	/* These fields used to be binfo */
1080 	uint32_t fc_pref_DID;	/* preferred D_ID */
1081 	uint8_t  fc_pref_ALPA;	/* preferred AL_PA */
1082 	uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
1083 	uint32_t fc_edtov;	/* E_D_TOV timer value */
1084 	uint32_t fc_arbtov;	/* ARB_TOV timer value */
1085 	uint32_t fc_ratov;	/* R_A_TOV timer value */
1086 	uint32_t fc_rttov;	/* R_T_TOV timer value */
1087 	uint32_t fc_altov;	/* AL_TOV timer value */
1088 	uint32_t fc_crtov;	/* C_R_TOV timer value */
1089 
1090 	struct serv_parm fc_fabparam;	/* fabric service parameters buffer */
1091 	uint8_t alpa_map[128];	/* AL_PA map from READ_LA */
1092 
1093 	uint32_t lmt;
1094 
1095 	uint32_t fc_topology;	/* link topology, from LINK INIT */
1096 	uint32_t fc_topology_changed;	/* link topology, from LINK INIT */
1097 
1098 	struct lpfc_stats fc_stat;
1099 
1100 	struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
1101 	uint32_t nport_event_cnt;	/* timestamp for nlplist entry */
1102 
1103 	uint8_t  wwnn[8];
1104 	uint8_t  wwpn[8];
1105 	uint32_t RandomData[7];
1106 	uint8_t  fcp_embed_io;
1107 	uint8_t  nvmet_support;	/* driver supports NVMET */
1108 #define LPFC_NVMET_MAX_PORTS	32
1109 	uint8_t  mds_diags_support;
1110 	uint8_t  bbcredit_support;
1111 	uint8_t  enab_exp_wqcq_pages;
1112 	u8	 nsler; /* Firmware supports FC-NVMe-2 SLER */
1113 
1114 	/* HBA Config Parameters */
1115 	uint32_t cfg_ack0;
1116 	uint32_t cfg_xri_rebalancing;
1117 	uint32_t cfg_xpsgl;
1118 	uint32_t cfg_enable_npiv;
1119 	uint32_t cfg_enable_rrq;
1120 	uint32_t cfg_topology;
1121 	uint32_t cfg_link_speed;
1122 #define LPFC_FCF_FOV 1		/* Fast fcf failover */
1123 #define LPFC_FCF_PRIORITY 2	/* Priority fcf failover */
1124 	uint32_t cfg_fcf_failover_policy;
1125 	uint32_t cfg_fcp_io_sched;
1126 	uint32_t cfg_ns_query;
1127 	uint32_t cfg_fcp2_no_tgt_reset;
1128 	uint32_t cfg_cr_delay;
1129 	uint32_t cfg_cr_count;
1130 	uint32_t cfg_multi_ring_support;
1131 	uint32_t cfg_multi_ring_rctl;
1132 	uint32_t cfg_multi_ring_type;
1133 	uint32_t cfg_poll;
1134 	uint32_t cfg_poll_tmo;
1135 	uint32_t cfg_task_mgmt_tmo;
1136 	uint32_t cfg_use_msi;
1137 	uint32_t cfg_auto_imax;
1138 	uint32_t cfg_fcp_imax;
1139 	uint32_t cfg_force_rscn;
1140 	uint32_t cfg_cq_poll_threshold;
1141 	uint32_t cfg_cq_max_proc_limit;
1142 	uint32_t cfg_fcp_cpu_map;
1143 	uint32_t cfg_fcp_mq_threshold;
1144 	uint32_t cfg_hdw_queue;
1145 	uint32_t cfg_irq_chann;
1146 	uint32_t cfg_suppress_rsp;
1147 	uint32_t cfg_nvme_oas;
1148 	uint32_t cfg_nvme_embed_cmd;
1149 	uint32_t cfg_nvmet_mrq_post;
1150 	uint32_t cfg_nvmet_mrq;
1151 	uint32_t cfg_enable_nvmet;
1152 	uint32_t cfg_nvme_enable_fb;
1153 	uint32_t cfg_nvmet_fb_size;
1154 	uint32_t cfg_total_seg_cnt;
1155 	uint32_t cfg_sg_seg_cnt;
1156 	uint32_t cfg_nvme_seg_cnt;
1157 	uint32_t cfg_scsi_seg_cnt;
1158 	uint32_t cfg_sg_dma_buf_size;
1159 	uint32_t cfg_hba_queue_depth;
1160 	uint32_t cfg_enable_hba_reset;
1161 	uint32_t cfg_enable_hba_heartbeat;
1162 	uint32_t cfg_fof;
1163 	uint32_t cfg_EnableXLane;
1164 	uint8_t cfg_oas_tgt_wwpn[8];
1165 	uint8_t cfg_oas_vpt_wwpn[8];
1166 	uint32_t cfg_oas_lun_state;
1167 #define OAS_LUN_ENABLE	1
1168 #define OAS_LUN_DISABLE	0
1169 	uint32_t cfg_oas_lun_status;
1170 #define OAS_LUN_STATUS_EXISTS	0x01
1171 	uint32_t cfg_oas_flags;
1172 #define OAS_FIND_ANY_VPORT	0x01
1173 #define OAS_FIND_ANY_TARGET	0x02
1174 #define OAS_LUN_VALID	0x04
1175 	uint32_t cfg_oas_priority;
1176 	uint32_t cfg_XLanePriority;
1177 	uint32_t cfg_enable_bg;
1178 	uint32_t cfg_prot_mask;
1179 	uint32_t cfg_prot_guard;
1180 	uint32_t cfg_hostmem_hgp;
1181 	uint32_t cfg_log_verbose;
1182 	uint32_t cfg_enable_fc4_type;
1183 #define LPFC_ENABLE_FCP  1
1184 #define LPFC_ENABLE_NVME 2
1185 #define LPFC_ENABLE_BOTH 3
1186 #if (IS_ENABLED(CONFIG_NVME_FC))
1187 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH
1188 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH
1189 #else
1190 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP
1191 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP
1192 #endif
1193 	uint32_t cfg_aer_support;
1194 	uint32_t cfg_sriov_nr_virtfn;
1195 	uint32_t cfg_request_firmware_upgrade;
1196 	uint32_t cfg_suppress_link_up;
1197 	uint32_t cfg_rrq_xri_bitmap_sz;
1198 	u32      cfg_fcp_wait_abts_rsp;
1199 	uint32_t cfg_delay_discovery;
1200 	uint32_t cfg_sli_mode;
1201 #define LPFC_INITIALIZE_LINK              0	/* do normal init_link mbox */
1202 #define LPFC_DELAY_INIT_LINK              1	/* layered driver hold off */
1203 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2	/* wait, manual intervention */
1204 	uint32_t cfg_fdmi_on;
1205 #define LPFC_FDMI_NO_SUPPORT	0	/* FDMI not supported */
1206 #define LPFC_FDMI_SUPPORT	1	/* FDMI supported? */
1207 	uint32_t cfg_enable_SmartSAN;
1208 	uint32_t cfg_enable_mds_diags;
1209 	uint32_t cfg_ras_fwlog_level;
1210 	uint32_t cfg_ras_fwlog_buffsize;
1211 	uint32_t cfg_ras_fwlog_func;
1212 	uint32_t cfg_enable_bbcr;	/* Enable BB Credit Recovery */
1213 	uint32_t cfg_enable_dpp;	/* Enable Direct Packet Push */
1214 	uint32_t cfg_enable_pbde;
1215 	uint32_t cfg_enable_mi;
1216 	struct nvmet_fc_target_port *targetport;
1217 	lpfc_vpd_t vpd;		/* vital product data */
1218 
1219 	u32 cfg_max_vmid;	/* maximum VMIDs allowed per port */
1220 	u32 cfg_vmid_app_header;
1221 #define LPFC_VMID_APP_HEADER_DISABLE	0
1222 #define LPFC_VMID_APP_HEADER_ENABLE	1
1223 	u32 cfg_vmid_priority_tagging;
1224 	u32 cfg_vmid_inactivity_timeout;	/* Time after which the VMID */
1225 						/* deregisters from switch */
1226 	struct pci_dev *pcidev;
1227 	struct list_head      work_list;
1228 	uint32_t              work_ha;      /* Host Attention Bits for WT */
1229 	uint32_t              work_ha_mask; /* HA Bits owned by WT        */
1230 	uint32_t              work_hs;      /* HS stored in case of ERRAT */
1231 	uint32_t              work_status[2]; /* Extra status from SLIM */
1232 
1233 	wait_queue_head_t    work_waitq;
1234 	struct task_struct   *worker_thread;
1235 	unsigned long data_flags;
1236 	uint32_t border_sge_num;
1237 
1238 	uint32_t hbq_in_use;		/* HBQs in use flag */
1239 	uint32_t hbq_count;	        /* Count of configured HBQs */
1240 	struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies  */
1241 
1242 	atomic_t fcp_qidx;         /* next FCP WQ (RR Policy) */
1243 	atomic_t nvme_qidx;        /* next NVME WQ (RR Policy) */
1244 
1245 	phys_addr_t pci_bar0_map;     /* Physical address for PCI BAR0 */
1246 	phys_addr_t pci_bar1_map;     /* Physical address for PCI BAR1 */
1247 	phys_addr_t pci_bar2_map;     /* Physical address for PCI BAR2 */
1248 	void __iomem *slim_memmap_p;	/* Kernel memory mapped address for
1249 					   PCI BAR0 */
1250 	void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
1251 					    PCI BAR2 */
1252 
1253 	void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
1254 					    PCI BAR0 with dual-ULP support */
1255 	void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
1256 					    PCI BAR2 with dual-ULP support */
1257 	void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
1258 					    PCI BAR4 with dual-ULP support */
1259 #define PCI_64BIT_BAR0	0
1260 #define PCI_64BIT_BAR2	2
1261 #define PCI_64BIT_BAR4	4
1262 	void __iomem *MBslimaddr;	/* virtual address for mbox cmds */
1263 	void __iomem *HAregaddr;	/* virtual address for host attn reg */
1264 	void __iomem *CAregaddr;	/* virtual address for chip attn reg */
1265 	void __iomem *HSregaddr;	/* virtual address for host status
1266 					   reg */
1267 	void __iomem *HCregaddr;	/* virtual address for host ctl reg */
1268 
1269 	struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
1270 	struct lpfc_pgp   *port_gp;
1271 	uint32_t __iomem  *hbq_put;     /* Address in SLIM to HBQ put ptrs */
1272 	uint32_t          *hbq_get;     /* Host mem address of HBQ get ptrs */
1273 
1274 	int brd_no;			/* FC board number */
1275 	char SerialNumber[32];		/* adapter Serial Number */
1276 	char OptionROMVersion[32];	/* adapter BIOS / Fcode version */
1277 	char BIOSVersion[16];		/* Boot BIOS version */
1278 	char ModelDesc[256];		/* Model Description */
1279 	char ModelName[80];		/* Model Name */
1280 	char ProgramType[256];		/* Program Type */
1281 	char Port[20];			/* Port No */
1282 	uint8_t vpd_flag;               /* VPD data flag */
1283 
1284 #define VPD_MODEL_DESC      0x1         /* valid vpd model description */
1285 #define VPD_MODEL_NAME      0x2         /* valid vpd model name */
1286 #define VPD_PROGRAM_TYPE    0x4         /* valid vpd program type */
1287 #define VPD_PORT            0x8         /* valid vpd port data */
1288 #define VPD_MASK            0xf         /* mask for any vpd data */
1289 
1290 
1291 	struct timer_list fcp_poll_timer;
1292 	struct timer_list eratt_poll;
1293 	uint32_t eratt_poll_interval;
1294 
1295 	uint64_t bg_guard_err_cnt;
1296 	uint64_t bg_apptag_err_cnt;
1297 	uint64_t bg_reftag_err_cnt;
1298 
1299 	/* fastpath list. */
1300 	spinlock_t scsi_buf_list_get_lock;  /* SCSI buf alloc list lock */
1301 	spinlock_t scsi_buf_list_put_lock;  /* SCSI buf free list lock */
1302 	struct list_head lpfc_scsi_buf_list_get;
1303 	struct list_head lpfc_scsi_buf_list_put;
1304 	uint32_t total_scsi_bufs;
1305 	struct list_head lpfc_iocb_list;
1306 	uint32_t total_iocbq_bufs;
1307 	struct list_head active_rrq_list;
1308 	spinlock_t hbalock;
1309 	struct work_struct  unblock_request_work; /* SCSI layer unblock IOs */
1310 
1311 	/* dma_mem_pools */
1312 	struct dma_pool *lpfc_sg_dma_buf_pool;
1313 	struct dma_pool *lpfc_mbuf_pool;
1314 	struct dma_pool *lpfc_hrb_pool;	/* header receive buffer pool */
1315 	struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
1316 	struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
1317 	struct dma_pool *lpfc_hbq_pool;	/* SLI3 hbq buffer pool */
1318 	struct dma_pool *lpfc_cmd_rsp_buf_pool;
1319 	struct lpfc_dma_pool lpfc_mbuf_safety_pool;
1320 
1321 	mempool_t *mbox_mem_pool;
1322 	mempool_t *nlp_mem_pool;
1323 	mempool_t *rrq_pool;
1324 	mempool_t *active_rrq_pool;
1325 
1326 	struct fc_host_statistics link_stats;
1327 	enum lpfc_irq_chann_mode irq_chann_mode;
1328 	enum intr_type_t intr_type;
1329 	uint32_t intr_mode;
1330 #define LPFC_INTR_ERROR	0xFFFFFFFF
1331 	struct list_head port_list;
1332 	spinlock_t port_list_lock;	/* lock for port_list mutations */
1333 	struct lpfc_vport *pport;	/* physical lpfc_vport pointer */
1334 	uint16_t max_vpi;		/* Maximum virtual nports */
1335 #define LPFC_MAX_VPI	0xFF		/* Max number VPI supported 0 - 0xff */
1336 #define LPFC_MAX_VPORTS	0x100		/* Max vports per port, with pport */
1337 	uint16_t max_vports;            /*
1338 					 * For IOV HBAs max_vpi can change
1339 					 * after a reset. max_vports is max
1340 					 * number of vports present. This can
1341 					 * be greater than max_vpi.
1342 					 */
1343 	uint16_t vpi_base;
1344 	uint16_t vfi_base;
1345 	unsigned long *vpi_bmask;	/* vpi allocation table */
1346 	uint16_t *vpi_ids;
1347 	uint16_t vpi_count;
1348 	struct list_head lpfc_vpi_blk_list;
1349 
1350 	/* Data structure used by fabric iocb scheduler */
1351 	struct list_head fabric_iocb_list;
1352 	atomic_t fabric_iocb_count;
1353 	struct timer_list fabric_block_timer;
1354 	unsigned long bit_flags;
1355 	atomic_t num_rsrc_err;
1356 	atomic_t num_cmd_success;
1357 	unsigned long last_rsrc_error_time;
1358 	unsigned long last_ramp_down_time;
1359 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1360 	struct dentry *hba_debugfs_root;
1361 	atomic_t debugfs_vport_count;
1362 	struct dentry *debug_multixri_pools;
1363 	struct dentry *debug_hbqinfo;
1364 	struct dentry *debug_dumpHostSlim;
1365 	struct dentry *debug_dumpHBASlim;
1366 	struct dentry *debug_InjErrLBA;  /* LBA to inject errors at */
1367 	struct dentry *debug_InjErrNPortID;  /* NPortID to inject errors at */
1368 	struct dentry *debug_InjErrWWPN;  /* WWPN to inject errors at */
1369 	struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1370 	struct dentry *debug_writeApp;   /* inject write app_tag errors */
1371 	struct dentry *debug_writeRef;   /* inject write ref_tag errors */
1372 	struct dentry *debug_readGuard;  /* inject read guard_tag errors */
1373 	struct dentry *debug_readApp;    /* inject read app_tag errors */
1374 	struct dentry *debug_readRef;    /* inject read ref_tag errors */
1375 
1376 	struct dentry *debug_nvmeio_trc;
1377 	struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1378 	struct dentry *debug_hdwqinfo;
1379 #ifdef LPFC_HDWQ_LOCK_STAT
1380 	struct dentry *debug_lockstat;
1381 #endif
1382 	struct dentry *debug_cgn_buffer;
1383 	struct dentry *debug_rx_monitor;
1384 	struct dentry *debug_ras_log;
1385 	atomic_t nvmeio_trc_cnt;
1386 	uint32_t nvmeio_trc_size;
1387 	uint32_t nvmeio_trc_output_idx;
1388 
1389 	/* T10 DIF error injection */
1390 	uint32_t lpfc_injerr_wgrd_cnt;
1391 	uint32_t lpfc_injerr_wapp_cnt;
1392 	uint32_t lpfc_injerr_wref_cnt;
1393 	uint32_t lpfc_injerr_rgrd_cnt;
1394 	uint32_t lpfc_injerr_rapp_cnt;
1395 	uint32_t lpfc_injerr_rref_cnt;
1396 	uint32_t lpfc_injerr_nportid;
1397 	struct lpfc_name lpfc_injerr_wwpn;
1398 	sector_t lpfc_injerr_lba;
1399 #define LPFC_INJERR_LBA_OFF	(sector_t)(-1)
1400 
1401 	struct dentry *debug_slow_ring_trc;
1402 	struct lpfc_debugfs_trc *slow_ring_trc;
1403 	atomic_t slow_ring_trc_cnt;
1404 	/* iDiag debugfs sub-directory */
1405 	struct dentry *idiag_root;
1406 	struct dentry *idiag_pci_cfg;
1407 	struct dentry *idiag_bar_acc;
1408 	struct dentry *idiag_que_info;
1409 	struct dentry *idiag_que_acc;
1410 	struct dentry *idiag_drb_acc;
1411 	struct dentry *idiag_ctl_acc;
1412 	struct dentry *idiag_mbx_acc;
1413 	struct dentry *idiag_ext_acc;
1414 	uint8_t lpfc_idiag_last_eq;
1415 #endif
1416 	uint16_t nvmeio_trc_on;
1417 
1418 	/* Used for deferred freeing of ELS data buffers */
1419 	struct list_head elsbuf;
1420 	int elsbuf_cnt;
1421 	int elsbuf_prev_cnt;
1422 
1423 	uint8_t temp_sensor_support;
1424 	/* Fields used for heart beat. */
1425 	unsigned long last_completion_time;
1426 	unsigned long skipped_hb;
1427 	struct timer_list hb_tmofunc;
1428 	struct timer_list rrq_tmr;
1429 	enum hba_temp_state over_temp_state;
1430 	/*
1431 	 * Following bit will be set for all buffer tags which are not
1432 	 * associated with any HBQ.
1433 	 */
1434 #define QUE_BUFTAG_BIT  (1<<31)
1435 	uint32_t buffer_tag_count;
1436 
1437 /* Maximum number of events that can be outstanding at any time*/
1438 #define LPFC_MAX_EVT_COUNT 512
1439 	atomic_t fast_event_count;
1440 	uint32_t fcoe_eventtag;
1441 	uint32_t fcoe_eventtag_at_fcf_scan;
1442 	uint32_t fcoe_cvl_eventtag;
1443 	uint32_t fcoe_cvl_eventtag_attn;
1444 	struct lpfc_fcf fcf;
1445 	uint8_t fc_map[3];
1446 	uint8_t valid_vlan;
1447 	uint16_t vlan_id;
1448 	struct list_head fcf_conn_rec_list;
1449 
1450 	bool defer_flogi_acc_flag;
1451 	uint16_t defer_flogi_acc_rx_id;
1452 	uint16_t defer_flogi_acc_ox_id;
1453 
1454 	spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1455 	struct list_head ct_ev_waiters;
1456 	struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1457 	uint32_t ctx_idx;
1458 	struct timer_list inactive_vmid_poll;
1459 
1460 	/* RAS Support */
1461 	struct lpfc_ras_fwlog ras_fwlog;
1462 
1463 	uint32_t iocb_cnt;
1464 	uint32_t iocb_max;
1465 	atomic_t sdev_cnt;
1466 	spinlock_t devicelock;	/* lock for luns list */
1467 	mempool_t *device_data_mem_pool;
1468 	struct list_head luns;
1469 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE	0x0080
1470 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE	0x0040
1471 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE		0x0020
1472 #define LPFC_TRANSGRESSION_LOW_VOLTAGE		0x0010
1473 #define LPFC_TRANSGRESSION_HIGH_TXBIAS		0x0008
1474 #define LPFC_TRANSGRESSION_LOW_TXBIAS		0x0004
1475 #define LPFC_TRANSGRESSION_HIGH_TXPOWER		0x0002
1476 #define LPFC_TRANSGRESSION_LOW_TXPOWER		0x0001
1477 #define LPFC_TRANSGRESSION_HIGH_RXPOWER		0x8000
1478 #define LPFC_TRANSGRESSION_LOW_RXPOWER		0x4000
1479 	uint16_t sfp_alarm;
1480 	uint16_t sfp_warning;
1481 
1482 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1483 	uint16_t hdwqstat_on;
1484 #define LPFC_CHECK_OFF		0
1485 #define LPFC_CHECK_NVME_IO	1
1486 #define LPFC_CHECK_NVMET_IO	2
1487 #define LPFC_CHECK_SCSI_IO	4
1488 	uint16_t ktime_on;
1489 	uint64_t ktime_data_samples;
1490 	uint64_t ktime_status_samples;
1491 	uint64_t ktime_last_cmd;
1492 	uint64_t ktime_seg1_total;
1493 	uint64_t ktime_seg1_min;
1494 	uint64_t ktime_seg1_max;
1495 	uint64_t ktime_seg2_total;
1496 	uint64_t ktime_seg2_min;
1497 	uint64_t ktime_seg2_max;
1498 	uint64_t ktime_seg3_total;
1499 	uint64_t ktime_seg3_min;
1500 	uint64_t ktime_seg3_max;
1501 	uint64_t ktime_seg4_total;
1502 	uint64_t ktime_seg4_min;
1503 	uint64_t ktime_seg4_max;
1504 	uint64_t ktime_seg5_total;
1505 	uint64_t ktime_seg5_min;
1506 	uint64_t ktime_seg5_max;
1507 	uint64_t ktime_seg6_total;
1508 	uint64_t ktime_seg6_min;
1509 	uint64_t ktime_seg6_max;
1510 	uint64_t ktime_seg7_total;
1511 	uint64_t ktime_seg7_min;
1512 	uint64_t ktime_seg7_max;
1513 	uint64_t ktime_seg8_total;
1514 	uint64_t ktime_seg8_min;
1515 	uint64_t ktime_seg8_max;
1516 	uint64_t ktime_seg9_total;
1517 	uint64_t ktime_seg9_min;
1518 	uint64_t ktime_seg9_max;
1519 	uint64_t ktime_seg10_total;
1520 	uint64_t ktime_seg10_min;
1521 	uint64_t ktime_seg10_max;
1522 #endif
1523 	/* CMF objects */
1524 	struct lpfc_cgn_stat __percpu *cmf_stat;
1525 	uint32_t cmf_interval_rate;  /* timer interval limit in ms */
1526 	uint32_t cmf_timer_cnt;
1527 #define LPFC_CMF_INTERVAL 90
1528 	uint64_t cmf_link_byte_count;
1529 	uint64_t cmf_max_line_rate;
1530 	uint64_t cmf_max_bytes_per_interval;
1531 	uint64_t cmf_last_sync_bw;
1532 #define  LPFC_CMF_BLK_SIZE 512
1533 	struct hrtimer cmf_timer;
1534 	atomic_t cmf_bw_wait;
1535 	atomic_t cmf_busy;
1536 	atomic_t cmf_stop_io;      /* To block request and stop IO's */
1537 	uint32_t cmf_active_mode;
1538 	uint32_t cmf_info_per_interval;
1539 #define LPFC_MAX_CMF_INFO 32
1540 	struct timespec64 cmf_latency;  /* Interval congestion timestamp */
1541 	uint32_t cmf_last_ts;   /* Interval congestion time (ms) */
1542 	uint32_t cmf_active_info;
1543 
1544 	/* Signal / FPIN handling for Congestion Mgmt */
1545 	u8 cgn_reg_fpin;           /* Negotiated value from RDF */
1546 	u8 cgn_init_reg_fpin;      /* Initial value from READ_CONFIG */
1547 #define LPFC_CGN_FPIN_NONE	0x0
1548 #define LPFC_CGN_FPIN_WARN	0x1
1549 #define LPFC_CGN_FPIN_ALARM	0x2
1550 #define LPFC_CGN_FPIN_BOTH	(LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM)
1551 
1552 	u8 cgn_reg_signal;          /* Negotiated value from EDC */
1553 	u8 cgn_init_reg_signal;     /* Initial value from READ_CONFIG */
1554 		/* cgn_reg_signal and cgn_init_reg_signal use
1555 		 * enum fc_edc_cg_signal_cap_types
1556 		 */
1557 	u16 cgn_fpin_frequency;		/* In units of msecs */
1558 #define LPFC_FPIN_INIT_FREQ	0xffff
1559 	u32 cgn_sig_freq;
1560 	u32 cgn_acqe_cnt;
1561 
1562 	/* RX monitor handling for CMF */
1563 	struct lpfc_rx_info_monitor *rx_monitor;
1564 	atomic_t rx_max_read_cnt;       /* Maximum read bytes */
1565 	uint64_t rx_block_cnt;
1566 
1567 	/* Congestion parameters from flash */
1568 	struct lpfc_cgn_param cgn_p;
1569 
1570 	/* Statistics counter for ACQE cgn alarms and warnings */
1571 	struct lpfc_cgn_acqe_stat cgn_acqe_stat;
1572 
1573 	/* Congestion buffer information */
1574 	struct lpfc_dmabuf *cgn_i;      /* Congestion Info buffer */
1575 	atomic_t cgn_fabric_warn_cnt;   /* Total warning cgn events for info */
1576 	atomic_t cgn_fabric_alarm_cnt;  /* Total alarm cgn events for info */
1577 	atomic_t cgn_sync_warn_cnt;     /* Total warning events for SYNC wqe */
1578 	atomic_t cgn_sync_alarm_cnt;    /* Total alarm events for SYNC wqe */
1579 	atomic_t cgn_driver_evt_cnt;    /* Total driver cgn events for fmw */
1580 	atomic_t cgn_latency_evt_cnt;
1581 	struct timespec64 cgn_daily_ts;
1582 	atomic64_t cgn_latency_evt;     /* Avg latency per minute */
1583 	unsigned long cgn_evt_timestamp;
1584 #define LPFC_CGN_TIMER_TO_MIN   60000 /* ms in a minute */
1585 	uint32_t cgn_evt_minute;
1586 #define LPFC_SEC_MIN		60
1587 #define LPFC_MIN_HOUR		60
1588 #define LPFC_HOUR_DAY		24
1589 #define LPFC_MIN_DAY		(LPFC_MIN_HOUR * LPFC_HOUR_DAY)
1590 
1591 	struct hlist_node cpuhp;	/* used for cpuhp per hba callback */
1592 	struct timer_list cpuhp_poll_timer;
1593 	struct list_head poll_list;	/* slowpath eq polling list */
1594 #define LPFC_POLL_HB	1		/* slowpath heartbeat */
1595 #define LPFC_POLL_FASTPATH	0	/* called from fastpath */
1596 #define LPFC_POLL_SLOWPATH	1	/* called from slowpath */
1597 
1598 	char os_host_name[MAXHOSTNAMELEN];
1599 
1600 	/* LD Signaling */
1601 	u32 degrade_activate_threshold;
1602 	u32 degrade_deactivate_threshold;
1603 	u32 fec_degrade_interval;
1604 
1605 	atomic_t dbg_log_idx;
1606 	atomic_t dbg_log_cnt;
1607 	atomic_t dbg_log_dmping;
1608 	struct dbg_log_ent dbg_log[DBG_LOG_SZ];
1609 };
1610 
1611 #define LPFC_MAX_RXMONITOR_ENTRY	800
1612 #define LPFC_MAX_RXMONITOR_DUMP		32
1613 struct rx_info_entry {
1614 	uint64_t cmf_bytes;	/* Total no of read bytes for CMF_SYNC_WQE */
1615 	uint64_t total_bytes;   /* Total no of read bytes requested */
1616 	uint64_t rcv_bytes;     /* Total no of read bytes completed */
1617 	uint64_t avg_io_size;
1618 	uint64_t avg_io_latency;/* Average io latency in microseconds */
1619 	uint64_t max_read_cnt;  /* Maximum read bytes */
1620 	uint64_t max_bytes_per_interval;
1621 	uint32_t cmf_busy;
1622 	uint32_t cmf_info;      /* CMF_SYNC_WQE info */
1623 	uint32_t io_cnt;
1624 	uint32_t timer_utilization;
1625 	uint32_t timer_interval;
1626 };
1627 
1628 struct lpfc_rx_info_monitor {
1629 	struct rx_info_entry *ring; /* info organized in a circular buffer */
1630 	u32 head_idx, tail_idx; /* index to head/tail of ring */
1631 	spinlock_t lock; /* spinlock for ring */
1632 	u32 entries; /* storing number entries/size of ring */
1633 };
1634 
1635 static inline struct Scsi_Host *
lpfc_shost_from_vport(struct lpfc_vport * vport)1636 lpfc_shost_from_vport(struct lpfc_vport *vport)
1637 {
1638 	return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1639 }
1640 
1641 static inline void
lpfc_set_loopback_flag(struct lpfc_hba * phba)1642 lpfc_set_loopback_flag(struct lpfc_hba *phba)
1643 {
1644 	if (phba->cfg_topology == FLAGS_LOCAL_LB)
1645 		phba->link_flag |= LS_LOOPBACK_MODE;
1646 	else
1647 		phba->link_flag &= ~LS_LOOPBACK_MODE;
1648 }
1649 
1650 static inline int
lpfc_is_link_up(struct lpfc_hba * phba)1651 lpfc_is_link_up(struct lpfc_hba *phba)
1652 {
1653 	return  phba->link_state == LPFC_LINK_UP ||
1654 		phba->link_state == LPFC_CLEAR_LA ||
1655 		phba->link_state == LPFC_HBA_READY;
1656 }
1657 
1658 static inline void
lpfc_worker_wake_up(struct lpfc_hba * phba)1659 lpfc_worker_wake_up(struct lpfc_hba *phba)
1660 {
1661 	/* Set the lpfc data pending flag */
1662 	set_bit(LPFC_DATA_READY, &phba->data_flags);
1663 
1664 	/* Wake up worker thread */
1665 	wake_up(&phba->work_waitq);
1666 	return;
1667 }
1668 
1669 static inline int
lpfc_readl(void __iomem * addr,uint32_t * data)1670 lpfc_readl(void __iomem *addr, uint32_t *data)
1671 {
1672 	uint32_t temp;
1673 	temp = readl(addr);
1674 	if (temp == 0xffffffff)
1675 		return -EIO;
1676 	*data = temp;
1677 	return 0;
1678 }
1679 
1680 static inline int
lpfc_sli_read_hs(struct lpfc_hba * phba)1681 lpfc_sli_read_hs(struct lpfc_hba *phba)
1682 {
1683 	/*
1684 	 * There was a link/board error. Read the status register to retrieve
1685 	 * the error event and process it.
1686 	 */
1687 	phba->sli.slistat.err_attn_event++;
1688 
1689 	/* Save status info and check for unplug error */
1690 	if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1691 		lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1692 		lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1693 		return -EIO;
1694 	}
1695 
1696 	/* Clear chip Host Attention error bit */
1697 	writel(HA_ERATT, phba->HAregaddr);
1698 	readl(phba->HAregaddr); /* flush */
1699 	phba->pport->stopped = 1;
1700 
1701 	return 0;
1702 }
1703 
1704 static inline struct lpfc_sli_ring *
lpfc_phba_elsring(struct lpfc_hba * phba)1705 lpfc_phba_elsring(struct lpfc_hba *phba)
1706 {
1707 	/* Return NULL if sli_rev has become invalid due to bad fw */
1708 	if (phba->sli_rev != LPFC_SLI_REV4  &&
1709 	    phba->sli_rev != LPFC_SLI_REV3  &&
1710 	    phba->sli_rev != LPFC_SLI_REV2)
1711 		return NULL;
1712 
1713 	if (phba->sli_rev == LPFC_SLI_REV4) {
1714 		if (phba->sli4_hba.els_wq)
1715 			return phba->sli4_hba.els_wq->pring;
1716 		else
1717 			return NULL;
1718 	}
1719 	return &phba->sli.sli3_ring[LPFC_ELS_RING];
1720 }
1721 
1722 /**
1723  * lpfc_next_online_cpu - Finds next online CPU on cpumask
1724  * @mask: Pointer to phba's cpumask member.
1725  * @start: starting cpu index
1726  *
1727  * Note: If no valid cpu found, then nr_cpu_ids is returned.
1728  *
1729  **/
1730 static inline unsigned int
lpfc_next_online_cpu(const struct cpumask * mask,unsigned int start)1731 lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start)
1732 {
1733 	unsigned int cpu_it;
1734 
1735 	for_each_cpu_wrap(cpu_it, mask, start) {
1736 		if (cpu_online(cpu_it))
1737 			break;
1738 	}
1739 
1740 	return cpu_it;
1741 }
1742 /**
1743  * lpfc_sli4_mod_hba_eq_delay - update EQ delay
1744  * @phba: Pointer to HBA context object.
1745  * @q: The Event Queue to update.
1746  * @delay: The delay value (in us) to be written.
1747  *
1748  **/
1749 static inline void
lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba * phba,struct lpfc_queue * eq,u32 delay)1750 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,
1751 			   u32 delay)
1752 {
1753 	struct lpfc_register reg_data;
1754 
1755 	reg_data.word0 = 0;
1756 	bf_set(lpfc_sliport_eqdelay_id, &reg_data, eq->queue_id);
1757 	bf_set(lpfc_sliport_eqdelay_delay, &reg_data, delay);
1758 	writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);
1759 	eq->q_mode = delay;
1760 }
1761 
1762 
1763 /*
1764  * Macro that declares tables and a routine to perform enum type to
1765  * ascii string lookup.
1766  *
1767  * Defines a <key,value> table for an enum. Uses xxx_INIT defines for
1768  * the enum to populate the table.  Macro defines a routine (named
1769  * by caller) that will search all elements of the table for the key
1770  * and return the name string if found or "Unrecognized" if not found.
1771  */
1772 #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init)		\
1773 static struct {								\
1774 	enum enum_name		value;					\
1775 	char			*name;					\
1776 } fc_##enum_name##_e2str_names[] = enum_init;				\
1777 static const char *routine(enum enum_name table_key)			\
1778 {									\
1779 	int i;								\
1780 	char *name = "Unrecognized";					\
1781 									\
1782 	for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\
1783 		if (fc_##enum_name##_e2str_names[i].value == table_key) {\
1784 			name = fc_##enum_name##_e2str_names[i].name;	\
1785 			break;						\
1786 		}							\
1787 	}								\
1788 	return name;							\
1789 }
1790 
1791 /**
1792  * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
1793  * @phba: Pointer to HBA context object.
1794  *
1795  * Relationship between the enable, target support and if vmid tag is required
1796  * for the particular combination
1797  * ---------------------------------------------------
1798  * Switch    Enable Flag  Target Support  VMID Needed
1799  * ---------------------------------------------------
1800  * App Id     0              NA              N
1801  * App Id     1               0              N
1802  * App Id     1               1              Y
1803  * Pr Tag     0              NA              N
1804  * Pr Tag     1               0              N
1805  * Pr Tag     1               1              Y
1806  * Pr Tag     2               *              Y
1807  ---------------------------------------------------
1808  *
1809  **/
lpfc_is_vmid_enabled(struct lpfc_hba * phba)1810 static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
1811 {
1812 	return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;
1813 }
1814 
1815 static inline
get_job_ulpstatus(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1816 u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1817 {
1818 	if (phba->sli_rev == LPFC_SLI_REV4)
1819 		return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl);
1820 	else
1821 		return iocbq->iocb.ulpStatus;
1822 }
1823 
1824 static inline
get_job_word4(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1825 u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1826 {
1827 	if (phba->sli_rev == LPFC_SLI_REV4)
1828 		return iocbq->wcqe_cmpl.parameter;
1829 	else
1830 		return iocbq->iocb.un.ulpWord[4];
1831 }
1832 
1833 static inline
get_job_cmnd(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1834 u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1835 {
1836 	if (phba->sli_rev == LPFC_SLI_REV4)
1837 		return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com);
1838 	else
1839 		return iocbq->iocb.ulpCommand;
1840 }
1841 
1842 static inline
get_job_ulpcontext(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1843 u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1844 {
1845 	if (phba->sli_rev == LPFC_SLI_REV4)
1846 		return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com);
1847 	else
1848 		return iocbq->iocb.ulpContext;
1849 }
1850 
1851 static inline
get_job_rcvoxid(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1852 u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1853 {
1854 	if (phba->sli_rev == LPFC_SLI_REV4)
1855 		return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com);
1856 	else
1857 		return iocbq->iocb.unsli3.rcvsli3.ox_id;
1858 }
1859 
1860 static inline
get_job_data_placed(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1861 u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1862 {
1863 	if (phba->sli_rev == LPFC_SLI_REV4)
1864 		return iocbq->wcqe_cmpl.total_data_placed;
1865 	else
1866 		return iocbq->iocb.un.genreq64.bdl.bdeSize;
1867 }
1868 
1869 static inline
get_job_abtsiotag(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1870 u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1871 {
1872 	if (phba->sli_rev == LPFC_SLI_REV4)
1873 		return iocbq->wqe.abort_cmd.wqe_com.abort_tag;
1874 	else
1875 		return iocbq->iocb.un.acxri.abortIoTag;
1876 }
1877 
1878 static inline
get_job_els_rsp64_did(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1879 u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1880 {
1881 	if (phba->sli_rev == LPFC_SLI_REV4)
1882 		return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest);
1883 	else
1884 		return iocbq->iocb.un.elsreq64.remoteID;
1885 }
1886