1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2024 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 #define ELX_FW_NAME_SIZE 84
37
38 #define LPFC_PCI_DEV_LP 0x1
39 #define LPFC_PCI_DEV_OC 0x2
40
41 #define LPFC_SLI_REV2 2
42 #define LPFC_SLI_REV3 3
43 #define LPFC_SLI_REV4 4
44
45 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */
46 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
47 requests */
48 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
49 the NameServer before giving up. */
50 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
51 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
52
53 #define LPFC_DEFAULT_XPSGL_SIZE 256
54 #define LPFC_MAX_SG_TABLESIZE 0xffff
55 #define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */
56 #define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */
57 #define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */
58 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
59 #define LPFC_MIN_SG_SEG_CNT 32 /* sg element count per scsi cmnd */
60 #define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */
61 #define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */
62 #define LPFC_MAX_NVME_SEG_CNT 256 /* max SGL element cnt per NVME cmnd */
63
64 #define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */
65 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
66 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
67 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */
68 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
69 #define LPFC_MIN_TGT_QDEPTH 10
70 #define LPFC_MAX_TGT_QDEPTH 0xFFFF
71
72 /*
73 * Following time intervals are used of adjusting SCSI device
74 * queue depths when there are driver resource error or Firmware
75 * resource error.
76 */
77 /* 1 Second */
78 #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))
79
80 /* Number of exchanges reserved for discovery to complete */
81 #define LPFC_DISC_IOCB_BUFF_COUNT 20
82
83 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
84 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
85
86 /* Error Attention event polling interval */
87 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
88
89 /* Define macros for 64 bit support */
90 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
91 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
92 #define getPaddr(high, low) ((dma_addr_t)( \
93 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
94 /* Provide maximum configuration definitions. */
95 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
96 #define FC_MAX_ADPTMSG 64
97
98 #define MAX_HBAEVT 32
99 #define MAX_HBAS_NO_RESET 16
100
101 /* Number of MSI-X vectors the driver uses */
102 #define LPFC_MSIX_VECTORS 2
103
104 /* lpfc wait event data ready flag */
105 #define LPFC_DATA_READY 0 /* bit 0 */
106
107 /* queue dump line buffer size */
108 #define LPFC_LBUF_SZ 128
109
110 /* mailbox system shutdown options */
111 #define LPFC_MBX_NO_WAIT 0
112 #define LPFC_MBX_WAIT 1
113
114 #define LPFC_CFG_PARAM_MAGIC_NUM 0xFEAA0005
115 #define LPFC_PORT_CFG_NAME "/cfg/port.cfg"
116
117 #define lpfc_rangecheck(val, min, max) \
118 ((uint)(val) >= (uint)(min) && (val) <= (max))
119
120 enum lpfc_polling_flags {
121 ENABLE_FCP_RING_POLLING = 0x1,
122 DISABLE_FCP_RING_INT = 0x2
123 };
124
125 struct perf_prof {
126 uint16_t cmd_cpu[40];
127 uint16_t rsp_cpu[40];
128 uint16_t qh_cpu[40];
129 uint16_t wqidx[40];
130 };
131
132 /*
133 * Provide for FC4 TYPE x28 - NVME. The
134 * bit mask for FCP and NVME is 0x8 identically
135 * because they are 32 bit positions distance.
136 */
137 #define LPFC_FC4_TYPE_BITMASK 0x00000100
138
139 /* Provide DMA memory definitions the driver uses per port instance. */
140 struct lpfc_dmabuf {
141 struct list_head list;
142 void *virt; /* virtual address ptr */
143 dma_addr_t phys; /* mapped address */
144 uint32_t buffer_tag; /* used for tagged queue ring */
145 };
146
147 struct lpfc_nvmet_ctxbuf {
148 struct list_head list;
149 struct lpfc_async_xchg_ctx *context;
150 struct lpfc_iocbq *iocbq;
151 struct lpfc_sglq *sglq;
152 struct work_struct defer_work;
153 };
154
155 struct lpfc_dma_pool {
156 struct lpfc_dmabuf *elements;
157 uint32_t max_count;
158 uint32_t current_count;
159 };
160
161 struct hbq_dmabuf {
162 struct lpfc_dmabuf hbuf;
163 struct lpfc_dmabuf dbuf;
164 uint16_t total_size;
165 uint16_t bytes_recv;
166 uint32_t tag;
167 struct lpfc_cq_event cq_event;
168 unsigned long time_stamp;
169 void *context;
170 };
171
172 struct rqb_dmabuf {
173 struct lpfc_dmabuf hbuf;
174 struct lpfc_dmabuf dbuf;
175 uint16_t total_size;
176 uint16_t bytes_recv;
177 uint16_t idx;
178 struct lpfc_queue *hrq; /* ptr to associated Header RQ */
179 struct lpfc_queue *drq; /* ptr to associated Data RQ */
180 };
181
182 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
183 #define MEM_PRI 0x100
184
185
186 /****************************************************************************/
187 /* Device VPD save area */
188 /****************************************************************************/
189 typedef struct lpfc_vpd {
190 uint32_t status; /* vpd status value */
191 uint32_t length; /* number of bytes actually returned */
192 struct {
193 uint32_t rsvd1; /* Revision numbers */
194 uint32_t biuRev;
195 uint32_t smRev;
196 uint32_t smFwRev;
197 uint32_t endecRev;
198 uint16_t rBit;
199 uint8_t fcphHigh;
200 uint8_t fcphLow;
201 uint8_t feaLevelHigh;
202 uint8_t feaLevelLow;
203 uint32_t postKernRev;
204 uint32_t opFwRev;
205 uint8_t opFwName[16];
206 uint32_t sli1FwRev;
207 uint8_t sli1FwName[16];
208 uint32_t sli2FwRev;
209 uint8_t sli2FwName[16];
210 } rev;
211 struct {
212 #ifdef __BIG_ENDIAN_BITFIELD
213 uint32_t rsvd3 :20; /* Reserved */
214 uint32_t rsvd2 : 3; /* Reserved */
215 uint32_t cbg : 1; /* Configure BlockGuard */
216 uint32_t cmv : 1; /* Configure Max VPIs */
217 uint32_t ccrp : 1; /* Config Command Ring Polling */
218 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
219 uint32_t chbs : 1; /* Cofigure Host Backing store */
220 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
221 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
222 uint32_t cmx : 1; /* Configure Max XRIs */
223 uint32_t cmr : 1; /* Configure Max RPIs */
224 #else /* __LITTLE_ENDIAN */
225 uint32_t cmr : 1; /* Configure Max RPIs */
226 uint32_t cmx : 1; /* Configure Max XRIs */
227 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
228 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
229 uint32_t chbs : 1; /* Cofigure Host Backing store */
230 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
231 uint32_t ccrp : 1; /* Config Command Ring Polling */
232 uint32_t cmv : 1; /* Configure Max VPIs */
233 uint32_t cbg : 1; /* Configure BlockGuard */
234 uint32_t rsvd2 : 3; /* Reserved */
235 uint32_t rsvd3 :20; /* Reserved */
236 #endif
237 } sli3Feat;
238 } lpfc_vpd_t;
239
240
241 /*
242 * lpfc stat counters
243 */
244 struct lpfc_stats {
245 /* Statistics for ELS commands */
246 uint32_t elsLogiCol;
247 uint32_t elsRetryExceeded;
248 uint32_t elsXmitRetry;
249 uint32_t elsDelayRetry;
250 uint32_t elsRcvDrop;
251 uint32_t elsRcvFrame;
252 uint32_t elsRcvRSCN;
253 uint32_t elsRcvRNID;
254 uint32_t elsRcvFARP;
255 uint32_t elsRcvFARPR;
256 uint32_t elsRcvFLOGI;
257 uint32_t elsRcvPLOGI;
258 uint32_t elsRcvADISC;
259 uint32_t elsRcvPDISC;
260 uint32_t elsRcvFAN;
261 uint32_t elsRcvLOGO;
262 uint32_t elsRcvPRLO;
263 uint32_t elsRcvPRLI;
264 uint32_t elsRcvLIRR;
265 uint32_t elsRcvRLS;
266 uint32_t elsRcvRPL;
267 uint32_t elsRcvRRQ;
268 uint32_t elsRcvRTV;
269 uint32_t elsRcvECHO;
270 uint32_t elsRcvLCB;
271 uint32_t elsRcvRDP;
272 uint32_t elsRcvRDF;
273 uint32_t elsXmitFLOGI;
274 uint32_t elsXmitFDISC;
275 uint32_t elsXmitPLOGI;
276 uint32_t elsXmitPRLI;
277 uint32_t elsXmitADISC;
278 uint32_t elsXmitLOGO;
279 uint32_t elsXmitSCR;
280 uint32_t elsXmitRSCN;
281 uint32_t elsXmitRNID;
282 uint32_t elsXmitFARP;
283 uint32_t elsXmitFARPR;
284 uint32_t elsXmitACC;
285 uint32_t elsXmitLSRJT;
286
287 uint32_t frameRcvBcast;
288 uint32_t frameRcvMulti;
289 uint32_t strayXmitCmpl;
290 uint32_t frameXmitDelay;
291 uint32_t xriCmdCmpl;
292 uint32_t xriStatErr;
293 uint32_t LinkUp;
294 uint32_t LinkDown;
295 uint32_t LinkMultiEvent;
296 uint32_t NoRcvBuf;
297 uint32_t fcpCmd;
298 uint32_t fcpCmpl;
299 uint32_t fcpRspErr;
300 uint32_t fcpRemoteStop;
301 uint32_t fcpPortRjt;
302 uint32_t fcpPortBusy;
303 uint32_t fcpError;
304 uint32_t fcpLocalErr;
305 };
306
307 struct lpfc_hba;
308
309 /* Data structure to keep withheld FLOGI_ACC information */
310 struct lpfc_defer_flogi_acc {
311 bool flag;
312 u16 rx_id;
313 u16 ox_id;
314 struct lpfc_nodelist *ndlp;
315
316 };
317
318 #define LPFC_VMID_TIMER 300 /* timer interval in seconds */
319
320 #define LPFC_MAX_VMID_SIZE 256
321
322 union lpfc_vmid_io_tag {
323 u32 app_id; /* App Id vmid */
324 u8 cs_ctl_vmid; /* Priority tag vmid */
325 };
326
327 #define JIFFIES_PER_HR (HZ * 60 * 60)
328
329 struct lpfc_vmid {
330 u8 flag;
331 #define LPFC_VMID_SLOT_FREE 0x0
332 #define LPFC_VMID_SLOT_USED 0x1
333 #define LPFC_VMID_REQ_REGISTER 0x2
334 #define LPFC_VMID_REGISTERED 0x4
335 #define LPFC_VMID_DE_REGISTER 0x8
336 char host_vmid[LPFC_MAX_VMID_SIZE];
337 union lpfc_vmid_io_tag un;
338 struct hlist_node hnode;
339 u64 io_rd_cnt;
340 u64 io_wr_cnt;
341 u8 vmid_len;
342 u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */
343 u32 hash_index;
344 u64 __percpu *last_io_time;
345 };
346
347 #define lpfc_vmid_is_type_priority_tag(vport)\
348 (vport->vmid_priority_tagging ? 1 : 0)
349
350 #define LPFC_VMID_HASH_SIZE 256
351 #define LPFC_VMID_HASH_MASK 255
352 #define LPFC_VMID_HASH_SHIFT 6
353
354 struct lpfc_vmid_context {
355 struct lpfc_vmid *vmp;
356 struct lpfc_nodelist *nlp;
357 bool instantiated;
358 };
359
360 struct lpfc_vmid_priority_range {
361 u8 low;
362 u8 high;
363 u8 qos;
364 };
365
366 struct lpfc_vmid_priority_info {
367 u32 num_descriptors;
368 struct lpfc_vmid_priority_range *vmid_range;
369 };
370
371 #define QFPA_EVEN_ONLY 0x01
372 #define QFPA_ODD_ONLY 0x02
373 #define QFPA_EVEN_ODD 0x03
374
375 enum discovery_state {
376 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
377 LPFC_VPORT_FAILED = 1, /* vport has failed */
378 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
379 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
380 LPFC_FDISC = 8, /* FDISC sent for vport */
381 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
382 * configured */
383 LPFC_NS_REG = 10, /* Register with NameServer */
384 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
385 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
386 * device authentication / discovery */
387 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
388 LPFC_VPORT_READY = 32,
389 };
390
391 enum hba_state {
392 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
393 LPFC_WARM_START = 1, /* HBA state after selective reset */
394 LPFC_INIT_START = 2, /* Initial state after board reset */
395 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
396 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
397 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
398 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
399 * CLEAR_LA */
400 LPFC_HBA_READY = 32,
401 LPFC_HBA_ERROR = -1
402 };
403
404 enum lpfc_hba_flag { /* hba generic flags */
405 HBA_ERATT_HANDLED = 0, /* This flag is set when eratt handled */
406 DEFER_ERATT = 1, /* Deferred error attn in progress */
407 HBA_FCOE_MODE = 2, /* HBA function in FCoE Mode */
408 HBA_SP_QUEUE_EVT = 3, /* Slow-path qevt posted to worker thread*/
409 HBA_POST_RECEIVE_BUFFER = 4, /* Rcv buffers need to be posted */
410 HBA_PERSISTENT_TOPO = 5, /* Persistent topology support in hba */
411 ELS_XRI_ABORT_EVENT = 6, /* ELS_XRI abort event was queued */
412 ASYNC_EVENT = 7,
413 LINK_DISABLED = 8, /* Link disabled by user */
414 FCF_TS_INPROG = 9, /* FCF table scan in progress */
415 FCF_RR_INPROG = 10, /* FCF roundrobin flogi in progress */
416 HBA_FIP_SUPPORT = 11, /* FIP support in HBA */
417 HBA_DEVLOSS_TMO = 13, /* HBA in devloss timeout */
418 HBA_RRQ_ACTIVE = 14, /* process the rrq active list */
419 HBA_IOQ_FLUSH = 15, /* I/O queues being flushed */
420 HBA_RECOVERABLE_UE = 17, /* FW supports recoverable UE */
421 HBA_FORCED_LINK_SPEED = 18, /*
422 * Firmware supports Forced Link
423 * Speed capability
424 */
425 HBA_FLOGI_ISSUED = 20, /* FLOGI was issued */
426 HBA_DEFER_FLOGI = 23, /* Defer FLOGI till read_sparm cmpl */
427 HBA_SETUP = 24, /* HBA setup completed */
428 HBA_NEEDS_CFG_PORT = 25, /* SLI3: CONFIG_PORT mbox needed */
429 HBA_HBEAT_INP = 26, /* mbox HBEAT is in progress */
430 HBA_HBEAT_TMO = 27, /* HBEAT initiated after timeout */
431 HBA_FLOGI_OUTSTANDING = 28, /* FLOGI is outstanding */
432 HBA_RHBA_CMPL = 29, /* RHBA FDMI cmd is successful */
433 };
434
435 struct lpfc_trunk_link_state {
436 enum hba_state state;
437 uint8_t fault;
438 };
439
440 struct lpfc_trunk_link {
441 struct lpfc_trunk_link_state link0,
442 link1,
443 link2,
444 link3;
445 u32 phy_lnk_speed;
446 };
447
448 /* Format of congestion module parameters */
449 struct lpfc_cgn_param {
450 uint32_t cgn_param_magic;
451 uint8_t cgn_param_version; /* version 1 */
452 uint8_t cgn_param_mode; /* 0=off 1=managed 2=monitor only */
453 #define LPFC_CFG_OFF 0
454 #define LPFC_CFG_MANAGED 1
455 #define LPFC_CFG_MONITOR 2
456 uint8_t cgn_rsvd1;
457 uint8_t cgn_rsvd2;
458 uint8_t cgn_param_level0;
459 uint8_t cgn_param_level1;
460 uint8_t cgn_param_level2;
461 uint8_t byte11;
462 uint8_t byte12;
463 uint8_t byte13;
464 uint8_t byte14;
465 uint8_t byte15;
466 };
467
468 /* Max number of days of congestion data */
469 #define LPFC_MAX_CGN_DAYS 10
470
471 struct lpfc_cgn_ts {
472 uint8_t month;
473 uint8_t day;
474 uint8_t year;
475 uint8_t hour;
476 uint8_t minute;
477 uint8_t second;
478 };
479
480 /* Format of congestion buffer info
481 * This structure defines memory thats allocated and registered with
482 * the HBA firmware. When adding or removing fields from this structure
483 * the alignment must match the HBA firmware.
484 */
485
486 struct lpfc_cgn_info {
487 /* Header */
488 __le16 cgn_info_size; /* is sizeof(struct lpfc_cgn_info) */
489 uint8_t cgn_info_version; /* represents format of structure */
490 #define LPFC_CGN_INFO_V1 1
491 #define LPFC_CGN_INFO_V2 2
492 #define LPFC_CGN_INFO_V3 3
493 #define LPFC_CGN_INFO_V4 4
494 uint8_t cgn_info_mode; /* 0=off 1=managed 2=monitor only */
495 uint8_t cgn_info_detect;
496 uint8_t cgn_info_action;
497 uint8_t cgn_info_level0;
498 uint8_t cgn_info_level1;
499 uint8_t cgn_info_level2;
500
501 /* Start Time */
502 struct lpfc_cgn_ts base_time;
503
504 /* minute / hours / daily indices */
505 uint8_t cgn_index_minute;
506 uint8_t cgn_index_hour;
507 uint8_t cgn_index_day;
508
509 __le16 cgn_warn_freq;
510 __le16 cgn_alarm_freq;
511 __le16 cgn_lunq;
512 uint8_t cgn_pad1[8];
513
514 /* Driver Information */
515 __le16 cgn_drvr_min[60];
516 __le32 cgn_drvr_hr[24];
517 __le32 cgn_drvr_day[LPFC_MAX_CGN_DAYS];
518
519 /* Congestion Warnings */
520 __le16 cgn_warn_min[60];
521 __le32 cgn_warn_hr[24];
522 __le32 cgn_warn_day[LPFC_MAX_CGN_DAYS];
523
524 /* Latency Information */
525 __le32 cgn_latency_min[60];
526 __le32 cgn_latency_hr[24];
527 __le32 cgn_latency_day[LPFC_MAX_CGN_DAYS];
528
529 /* Bandwidth Information */
530 __le16 cgn_bw_min[60];
531 __le16 cgn_bw_hr[24];
532 __le16 cgn_bw_day[LPFC_MAX_CGN_DAYS];
533
534 /* Congestion Alarms */
535 __le16 cgn_alarm_min[60];
536 __le32 cgn_alarm_hr[24];
537 __le32 cgn_alarm_day[LPFC_MAX_CGN_DAYS];
538
539 struct_group(cgn_stat,
540 uint8_t cgn_stat_npm; /* Notifications per minute */
541
542 /* Start Time */
543 struct lpfc_cgn_ts stat_start; /* Base time */
544 uint8_t cgn_pad2;
545
546 __le32 cgn_notification;
547 __le32 cgn_peer_notification;
548 __le32 link_integ_notification;
549 __le32 delivery_notification;
550 struct lpfc_cgn_ts stat_fpin; /* Last congestion notification FPIN */
551 struct lpfc_cgn_ts stat_peer; /* Last peer congestion FPIN */
552 struct lpfc_cgn_ts stat_lnk; /* Last link integrity FPIN */
553 struct lpfc_cgn_ts stat_delivery; /* Last delivery notification FPIN */
554 );
555
556 __le32 cgn_info_crc;
557 #define LPFC_CGN_CRC32_MAGIC_NUMBER 0x1EDC6F41
558 #define LPFC_CGN_CRC32_SEED 0xFFFFFFFF
559 };
560
561 #define LPFC_CGN_INFO_SZ (sizeof(struct lpfc_cgn_info) - \
562 sizeof(uint32_t))
563
564 struct lpfc_cgn_stat {
565 atomic64_t total_bytes;
566 atomic64_t rcv_bytes;
567 atomic64_t rx_latency;
568 #define LPFC_CGN_NOT_SENT 0xFFFFFFFFFFFFFFFFLL
569 atomic_t rx_io_cnt;
570 };
571
572 struct lpfc_cgn_acqe_stat {
573 atomic64_t alarm;
574 atomic64_t warn;
575 };
576
577 enum lpfc_fc_flag {
578 /* Several of these flags are HBA centric and should be moved to
579 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
580 */
581 FC_PT2PT, /* pt2pt with no fabric */
582 FC_PT2PT_PLOGI, /* pt2pt initiate PLOGI */
583 FC_DISC_TMO, /* Discovery timer running */
584 FC_PUBLIC_LOOP, /* Public loop */
585 FC_LBIT, /* LOGIN bit in loopinit set */
586 FC_RSCN_MODE, /* RSCN cmd rcv'ed */
587 FC_NLP_MORE, /* More node to process in node tbl */
588 FC_OFFLINE_MODE, /* Interface is offline for diag */
589 FC_FABRIC, /* We are fabric attached */
590 FC_VPORT_LOGO_RCVD, /* LOGO received on vport */
591 FC_RSCN_DISCOVERY, /* Auth all devices after RSCN */
592 FC_LOGO_RCVD_DID_CHNG, /* FDISC on phys port detect DID chng */
593 FC_PT2PT_NO_NVME, /* Don't send NVME PRLI */
594 FC_SCSI_SCAN_TMO, /* scsi scan timer running */
595 FC_ABORT_DISCOVERY, /* we want to abort discovery */
596 FC_NDISC_ACTIVE, /* NPort discovery active */
597 FC_BYPASSED_MODE, /* NPort is in bypassed mode */
598 FC_VPORT_NEEDS_REG_VPI, /* Needs to have its vpi registered */
599 FC_RSCN_DEFERRED, /* A deferred RSCN being processed */
600 FC_VPORT_NEEDS_INIT_VPI, /* Need to INIT_VPI before FDISC */
601 FC_VPORT_CVL_RCVD, /* VLink failed due to CVL */
602 FC_VFI_REGISTERED, /* VFI is registered */
603 FC_FDISC_COMPLETED, /* FDISC completed */
604 FC_DISC_DELAYED, /* Delay NPort discovery */
605 };
606
607 enum lpfc_load_flag {
608 FC_LOADING, /* HBA in process of loading drvr */
609 FC_UNLOADING, /* HBA in process of unloading drvr */
610 FC_ALLOW_FDMI, /* port is ready for FDMI requests */
611 FC_ALLOW_VMID, /* Allow VMID I/Os */
612 FC_DEREGISTER_ALL_APP_ID /* Deregister all VMIDs */
613 };
614
615 struct lpfc_vport {
616 struct lpfc_hba *phba;
617 struct list_head listentry;
618 uint8_t port_type;
619 #define LPFC_PHYSICAL_PORT 1
620 #define LPFC_NPIV_PORT 2
621 #define LPFC_FABRIC_PORT 3
622 enum discovery_state port_state;
623
624 uint16_t vpi;
625 uint16_t vfi;
626 uint8_t vpi_state;
627 #define LPFC_VPI_REGISTERED 0x1
628
629 unsigned long fc_flag; /* FC flags */
630
631 uint32_t ct_flags;
632 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
633 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
634 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
635 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
636 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
637 #define FC_CT_RPRT_DEFER 0x20 /* Defer issuing FDMI RPRT */
638
639 struct list_head fc_nodes;
640 spinlock_t fc_nodes_list_lock; /* spinlock for fc_nodes list */
641
642 /* Keep counters for the number of entries in each list. */
643 atomic_t fc_plogi_cnt;
644 atomic_t fc_adisc_cnt;
645 atomic_t fc_reglogin_cnt;
646 atomic_t fc_prli_cnt;
647 atomic_t fc_unmap_cnt;
648 atomic_t fc_map_cnt;
649 atomic_t fc_npr_cnt;
650 atomic_t fc_unused_cnt;
651
652 struct serv_parm fc_sparam; /* buffer for our service parameters */
653
654 uint32_t fc_myDID; /* fibre channel S_ID */
655 uint32_t fc_prevDID; /* previous fibre channel S_ID */
656 struct lpfc_name fabric_portname;
657 struct lpfc_name fabric_nodename;
658
659 int32_t stopped; /* HBA has not been restarted since last ERATT */
660 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
661
662 uint32_t num_disc_nodes; /* in addition to hba_state */
663 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */
664
665 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
666 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
667 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
668 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
669 struct lpfc_name fc_nodename; /* fc nodename */
670 struct lpfc_name fc_portname; /* fc portname */
671
672 struct lpfc_work_evt disc_timeout_evt;
673
674 struct timer_list fc_disctmo; /* Discovery rescue timer */
675 uint8_t fc_ns_retry; /* retries for fabric nameserver */
676 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
677
678 spinlock_t work_port_lock;
679 uint32_t work_port_events; /* Timeout to be handled */
680 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
681 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
682 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
683
684 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
685 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
686 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
687 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
688 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
689 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
690 #define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */
691 #define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs
692 * to be issued */
693
694 struct timer_list els_tmofunc;
695 struct timer_list delayed_disc_tmo;
696
697 unsigned long load_flag;
698 /* Vport Config Parameters */
699 uint32_t cfg_scan_down;
700 uint32_t cfg_lun_queue_depth;
701 uint32_t cfg_nodev_tmo;
702 uint32_t cfg_devloss_tmo;
703 uint32_t cfg_restrict_login;
704 uint32_t cfg_peer_port_login;
705 uint32_t cfg_fcp_class;
706 uint32_t cfg_use_adisc;
707 uint32_t cfg_discovery_threads;
708 uint32_t cfg_log_verbose;
709 uint32_t cfg_enable_fc4_type;
710 uint32_t cfg_max_luns;
711 uint32_t cfg_enable_da_id;
712 uint32_t cfg_max_scsicmpl_time;
713 uint32_t cfg_tgt_queue_depth;
714 uint32_t cfg_first_burst_size;
715 uint32_t dev_loss_tmo_changed;
716 /* VMID parameters */
717 u8 lpfc_vmid_host_uuid[16];
718 u32 max_vmid; /* maximum VMIDs allowed per port */
719 u32 cur_vmid_cnt; /* Current VMID count */
720 #define LPFC_MIN_VMID 4
721 #define LPFC_MAX_VMID 255
722 u32 vmid_inactivity_timeout; /* Time after which the VMID */
723 /* deregisters from switch */
724 u32 vmid_priority_tagging;
725 #define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */
726 #define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */
727 #define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */
728 unsigned long *vmid_priority_range;
729 #define LPFC_VMID_MAX_PRIORITY_RANGE 256
730 #define LPFC_VMID_PRIORITY_BITMAP_SIZE 32
731 u8 vmid_flag;
732 #define LPFC_VMID_IN_USE 0x1
733 #define LPFC_VMID_ISSUE_QFPA 0x2
734 #define LPFC_VMID_QFPA_CMPL 0x4
735 #define LPFC_VMID_QOS_ENABLED 0x8
736 #define LPFC_VMID_TIMER_ENBLD 0x10
737 #define LPFC_VMID_TYPE_PRIO 0x20
738 struct fc_qfpa_res *qfpa_res;
739
740 struct fc_vport *fc_vport;
741
742 struct lpfc_vmid *vmid;
743 DECLARE_HASHTABLE(hash_table, 8);
744 rwlock_t vmid_lock;
745 struct lpfc_vmid_priority_info vmid_priority;
746
747 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
748 struct dentry *debug_disc_trc;
749 struct dentry *debug_nodelist;
750 struct dentry *debug_nvmestat;
751 struct dentry *debug_scsistat;
752 struct dentry *debug_ioktime;
753 struct dentry *debug_hdwqstat;
754 struct dentry *vport_debugfs_root;
755 struct lpfc_debugfs_trc *disc_trc;
756 atomic_t disc_trc_cnt;
757 #endif
758 struct list_head rcv_buffer_list;
759 unsigned long rcv_buffer_time_stamp;
760 uint32_t vport_flag;
761 #define STATIC_VPORT 0x1
762 #define FAWWPN_PARAM_CHG 0x2
763
764 uint16_t fdmi_num_disc;
765 uint32_t fdmi_hba_mask;
766 uint32_t fdmi_port_mask;
767
768 /* There is a single nvme instance per vport. */
769 struct nvme_fc_local_port *localport;
770 uint8_t nvmei_support; /* driver supports NVME Initiator */
771 uint32_t last_fcp_wqidx;
772 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */
773 };
774
775 struct hbq_s {
776 uint16_t entry_count; /* Current number of HBQ slots */
777 uint16_t buffer_count; /* Current number of buffers posted */
778 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
779 uint32_t hbqPutIdx; /* HBQ slot to use */
780 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
781 void *hbq_virt; /* Virtual ptr to this hbq */
782 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
783 /* Callback for HBQ buffer allocation */
784 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
785 /* Callback for HBQ buffer free */
786 void (*hbq_free_buffer) (struct lpfc_hba *,
787 struct hbq_dmabuf *);
788 };
789
790 /* this matches the position in the lpfc_hbq_defs array */
791 #define LPFC_ELS_HBQ 0
792 #define LPFC_MAX_HBQS 1
793
794 enum hba_temp_state {
795 HBA_NORMAL_TEMP,
796 HBA_OVER_TEMP
797 };
798
799 enum intr_type_t {
800 NONE = 0,
801 INTx,
802 MSI,
803 MSIX,
804 };
805
806 #define LPFC_CT_CTX_MAX 64
807 struct unsol_rcv_ct_ctx {
808 uint32_t ctxt_id;
809 uint32_t SID;
810 uint32_t valid;
811 #define UNSOL_INVALID 0
812 #define UNSOL_VALID 1
813 uint16_t oxid;
814 uint16_t rxid;
815 };
816
817 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
818 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
819 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
820 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
821 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
822 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
823 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
824 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */
825 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */
826 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G
827
828 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
829
830 enum nemb_type {
831 nemb_mse = 1,
832 nemb_hbd
833 };
834
835 enum mbox_type {
836 mbox_rd = 1,
837 mbox_wr
838 };
839
840 enum dma_type {
841 dma_mbox = 1,
842 dma_ebuf
843 };
844
845 enum sta_type {
846 sta_pre_addr = 1,
847 sta_pos_addr
848 };
849
850 struct lpfc_mbox_ext_buf_ctx {
851 uint32_t state;
852 #define LPFC_BSG_MBOX_IDLE 0
853 #define LPFC_BSG_MBOX_HOST 1
854 #define LPFC_BSG_MBOX_PORT 2
855 #define LPFC_BSG_MBOX_DONE 3
856 #define LPFC_BSG_MBOX_ABTS 4
857 enum nemb_type nembType;
858 enum mbox_type mboxType;
859 uint32_t numBuf;
860 uint32_t mbxTag;
861 uint32_t seqNum;
862 struct lpfc_dmabuf *mbx_dmabuf;
863 struct list_head ext_dmabuf_list;
864 };
865
866 struct lpfc_epd_pool {
867 /* Expedite pool */
868 struct list_head list;
869 u32 count;
870 spinlock_t lock; /* lock for expedite pool */
871 };
872
873 enum ras_state {
874 INACTIVE,
875 REG_INPROGRESS,
876 ACTIVE
877 };
878
879 struct lpfc_ras_fwlog {
880 uint8_t *fwlog_buff;
881 uint32_t fw_buffcount; /* Buffer size posted to FW */
882 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */
883 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
884 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
885 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
886 uint32_t fw_loglevel; /* Log level set */
887 struct lpfc_dmabuf lwpd;
888 struct list_head fwlog_buff_list;
889
890 /* RAS support status on adapter */
891 bool ras_hwsupport; /* RAS Support available on HW or not */
892 bool ras_enabled; /* Ras Enabled for the function */
893 #define LPFC_RAS_DISABLE_LOGGING 0x00
894 #define LPFC_RAS_ENABLE_LOGGING 0x01
895 enum ras_state state; /* RAS logging running state */
896 };
897
898 #define DBG_LOG_STR_SZ 256
899 #define DBG_LOG_SZ 256
900
901 struct dbg_log_ent {
902 char log[DBG_LOG_STR_SZ];
903 u64 t_ns;
904 };
905
906 enum lpfc_irq_chann_mode {
907 /* Assign IRQs to all possible cpus that have hardware queues */
908 NORMAL_MODE,
909
910 /* Assign IRQs only to cpus on the same numa node as HBA */
911 NUMA_MODE,
912
913 /* Assign IRQs only on non-hyperthreaded CPUs. This is the
914 * same as normal_mode, but assign IRQS only on physical CPUs.
915 */
916 NHT_MODE,
917 };
918
919 enum lpfc_hba_bit_flags {
920 FABRIC_COMANDS_BLOCKED,
921 HBA_PCI_ERR,
922 MBX_TMO_ERR,
923 };
924
925 struct lpfc_hba {
926 /* SCSI interface function jump table entries */
927 struct lpfc_io_buf * (*lpfc_get_scsi_buf)
928 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
929 struct scsi_cmnd *cmnd);
930 int (*lpfc_scsi_prep_dma_buf)
931 (struct lpfc_hba *, struct lpfc_io_buf *);
932 void (*lpfc_scsi_unprep_dma_buf)
933 (struct lpfc_hba *, struct lpfc_io_buf *);
934 void (*lpfc_release_scsi_buf)
935 (struct lpfc_hba *, struct lpfc_io_buf *);
936 void (*lpfc_rampdown_queue_depth)
937 (struct lpfc_hba *);
938 void (*lpfc_scsi_prep_cmnd)
939 (struct lpfc_vport *, struct lpfc_io_buf *,
940 struct lpfc_nodelist *);
941 int (*lpfc_scsi_prep_cmnd_buf)
942 (struct lpfc_vport *vport,
943 struct lpfc_io_buf *lpfc_cmd,
944 uint8_t tmo);
945 int (*lpfc_scsi_prep_task_mgmt_cmd)
946 (struct lpfc_vport *vport,
947 struct lpfc_io_buf *lpfc_cmd,
948 u64 lun, u8 task_mgmt_cmd);
949
950 /* IOCB interface function jump table entries */
951 int (*__lpfc_sli_issue_iocb)
952 (struct lpfc_hba *, uint32_t,
953 struct lpfc_iocbq *, uint32_t);
954 int (*__lpfc_sli_issue_fcp_io)
955 (struct lpfc_hba *phba, uint32_t ring_number,
956 struct lpfc_iocbq *piocb, uint32_t flag);
957 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
958 struct lpfc_iocbq *);
959 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
960
961 /* MBOX interface function jump table entries */
962 int (*lpfc_sli_issue_mbox)
963 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
964
965 /* Slow-path IOCB process function jump table entries */
966 void (*lpfc_sli_handle_slow_ring_event)
967 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
968 uint32_t mask);
969
970 /* INIT device interface function jump table entries */
971 int (*lpfc_sli_hbq_to_firmware)
972 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
973 int (*lpfc_sli_brdrestart)
974 (struct lpfc_hba *);
975 int (*lpfc_sli_brdready)
976 (struct lpfc_hba *, uint32_t);
977 void (*lpfc_handle_eratt)
978 (struct lpfc_hba *);
979 void (*lpfc_stop_port)
980 (struct lpfc_hba *);
981 int (*lpfc_hba_init_link)
982 (struct lpfc_hba *, uint32_t);
983 int (*lpfc_hba_down_link)
984 (struct lpfc_hba *, uint32_t);
985 int (*lpfc_selective_reset)
986 (struct lpfc_hba *);
987
988 int (*lpfc_bg_scsi_prep_dma_buf)
989 (struct lpfc_hba *, struct lpfc_io_buf *);
990
991 /* Prep SLI WQE/IOCB jump table entries */
992 void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq,
993 struct lpfc_vport *vport,
994 struct lpfc_dmabuf *bmp,
995 u16 cmd_size, u32 did, u32 elscmd,
996 u8 tmo, u8 expect_rsp);
997 void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq,
998 struct lpfc_dmabuf *bmp, u16 rpi,
999 u32 num_entry, u8 tmo);
1000 void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq,
1001 struct lpfc_dmabuf *bmp, u16 rpi,
1002 u16 ox_id, u32 num_entry, u8 rctl,
1003 u8 last_seq, u8 cr_cx_cmd);
1004 void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq,
1005 u16 ulp_context, u16 iotag,
1006 u8 ulp_class, u16 cqid, bool ia,
1007 bool wqec);
1008
1009 /* expedite pool */
1010 struct lpfc_epd_pool epd_pool;
1011
1012 /* SLI4 specific HBA data structure */
1013 struct lpfc_sli4_hba sli4_hba;
1014
1015 struct workqueue_struct *wq;
1016 struct delayed_work eq_delay_work;
1017
1018 #define LPFC_IDLE_STAT_DELAY 1000
1019 struct delayed_work idle_stat_delay_work;
1020
1021 struct lpfc_sli sli;
1022 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
1023 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
1024 uint32_t sli3_options; /* Mask of enabled SLI3 options */
1025 #define LPFC_SLI3_HBQ_ENABLED 0x01
1026 #define LPFC_SLI3_NPIV_ENABLED 0x02
1027 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
1028 #define LPFC_SLI3_CRP_ENABLED 0x08
1029 #define LPFC_SLI3_BG_ENABLED 0x20
1030 #define LPFC_SLI3_DSS_ENABLED 0x40
1031 #define LPFC_SLI4_PERFH_ENABLED 0x80
1032 #define LPFC_SLI4_PHWQ_ENABLED 0x100
1033 uint32_t iocb_cmd_size;
1034 uint32_t iocb_rsp_size;
1035
1036 struct lpfc_trunk_link trunk_link;
1037 enum hba_state link_state;
1038 uint32_t link_flag; /* link state flags */
1039 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
1040 /* This flag is set while issuing */
1041 /* INIT_LINK mailbox command */
1042 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
1043 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
1044 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */
1045 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */
1046 #define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */
1047 #define LS_EXTERNAL_LOOPBACK 0x40 /* External loopback plug inserted */
1048
1049 unsigned long hba_flag; /* hba generic flags */
1050
1051 struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */
1052 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
1053 struct lpfc_dmabuf slim2p;
1054
1055 MAILBOX_t *mbox;
1056 uint32_t *mbox_ext;
1057 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
1058 uint32_t ha_copy;
1059 struct _PCB *pcb;
1060 struct _IOCB *IOCBs;
1061
1062 struct lpfc_dmabuf hbqslimp;
1063
1064 uint16_t pci_cfg_value;
1065
1066 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
1067
1068 uint32_t fc_eventTag; /* event tag for link attention */
1069 uint32_t link_events;
1070
1071 /* These fields used to be binfo */
1072 uint32_t fc_pref_DID; /* preferred D_ID */
1073 uint8_t fc_pref_ALPA; /* preferred AL_PA */
1074 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
1075 uint32_t fc_edtov; /* E_D_TOV timer value */
1076 uint32_t fc_arbtov; /* ARB_TOV timer value */
1077 uint32_t fc_ratov; /* R_A_TOV timer value */
1078 uint32_t fc_rttov; /* R_T_TOV timer value */
1079 uint32_t fc_altov; /* AL_TOV timer value */
1080 uint32_t fc_crtov; /* C_R_TOV timer value */
1081
1082 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
1083 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
1084
1085 uint32_t lmt;
1086
1087 uint32_t fc_topology; /* link topology, from LINK INIT */
1088 uint32_t fc_topology_changed; /* link topology, from LINK INIT */
1089
1090 struct lpfc_stats fc_stat;
1091
1092 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
1093 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
1094
1095 uint8_t wwnn[8];
1096 uint8_t wwpn[8];
1097 uint32_t RandomData[7];
1098 uint8_t fcp_embed_io;
1099 uint8_t nvmet_support; /* driver supports NVMET */
1100 #define LPFC_NVMET_MAX_PORTS 32
1101 uint8_t mds_diags_support;
1102 uint8_t bbcredit_support;
1103 uint8_t enab_exp_wqcq_pages;
1104 u8 nsler; /* Firmware supports FC-NVMe-2 SLER */
1105
1106 /* HBA Config Parameters */
1107 uint32_t cfg_ack0;
1108 uint32_t cfg_xri_rebalancing;
1109 uint32_t cfg_xpsgl;
1110 uint32_t cfg_enable_npiv;
1111 uint32_t cfg_enable_rrq;
1112 uint32_t cfg_topology;
1113 uint32_t cfg_link_speed;
1114 #define LPFC_FCF_FOV 1 /* Fast fcf failover */
1115 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */
1116 uint32_t cfg_fcf_failover_policy;
1117 uint32_t cfg_fcp_io_sched;
1118 uint32_t cfg_ns_query;
1119 uint32_t cfg_fcp2_no_tgt_reset;
1120 uint32_t cfg_cr_delay;
1121 uint32_t cfg_cr_count;
1122 uint32_t cfg_multi_ring_support;
1123 uint32_t cfg_multi_ring_rctl;
1124 uint32_t cfg_multi_ring_type;
1125 uint32_t cfg_poll;
1126 uint32_t cfg_poll_tmo;
1127 uint32_t cfg_task_mgmt_tmo;
1128 uint32_t cfg_use_msi;
1129 uint32_t cfg_auto_imax;
1130 uint32_t cfg_fcp_imax;
1131 uint32_t cfg_force_rscn;
1132 uint32_t cfg_cq_poll_threshold;
1133 uint32_t cfg_cq_max_proc_limit;
1134 uint32_t cfg_fcp_cpu_map;
1135 uint32_t cfg_fcp_mq_threshold;
1136 uint32_t cfg_hdw_queue;
1137 uint32_t cfg_irq_chann;
1138 uint32_t cfg_suppress_rsp;
1139 uint32_t cfg_nvme_oas;
1140 uint32_t cfg_nvme_embed_cmd;
1141 uint32_t cfg_nvmet_mrq_post;
1142 uint32_t cfg_nvmet_mrq;
1143 uint32_t cfg_enable_nvmet;
1144 uint32_t cfg_nvme_enable_fb;
1145 uint32_t cfg_nvmet_fb_size;
1146 uint32_t cfg_total_seg_cnt;
1147 uint32_t cfg_sg_seg_cnt;
1148 uint32_t cfg_nvme_seg_cnt;
1149 uint32_t cfg_scsi_seg_cnt;
1150 uint32_t cfg_sg_dma_buf_size;
1151 uint32_t cfg_hba_queue_depth;
1152 uint32_t cfg_enable_hba_reset;
1153 uint32_t cfg_enable_hba_heartbeat;
1154 uint32_t cfg_fof;
1155 uint32_t cfg_EnableXLane;
1156 uint8_t cfg_oas_tgt_wwpn[8];
1157 uint8_t cfg_oas_vpt_wwpn[8];
1158 uint32_t cfg_oas_lun_state;
1159 #define OAS_LUN_ENABLE 1
1160 #define OAS_LUN_DISABLE 0
1161 uint32_t cfg_oas_lun_status;
1162 #define OAS_LUN_STATUS_EXISTS 0x01
1163 uint32_t cfg_oas_flags;
1164 #define OAS_FIND_ANY_VPORT 0x01
1165 #define OAS_FIND_ANY_TARGET 0x02
1166 #define OAS_LUN_VALID 0x04
1167 uint32_t cfg_oas_priority;
1168 uint32_t cfg_XLanePriority;
1169 uint32_t cfg_enable_bg;
1170 uint32_t cfg_prot_mask;
1171 uint32_t cfg_prot_guard;
1172 uint32_t cfg_hostmem_hgp;
1173 uint32_t cfg_log_verbose;
1174 uint32_t cfg_enable_fc4_type;
1175 #define LPFC_ENABLE_FCP 1
1176 #define LPFC_ENABLE_NVME 2
1177 #define LPFC_ENABLE_BOTH 3
1178 #if (IS_ENABLED(CONFIG_NVME_FC))
1179 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH
1180 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH
1181 #else
1182 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP
1183 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP
1184 #endif
1185 uint32_t cfg_sriov_nr_virtfn;
1186 uint32_t cfg_request_firmware_upgrade;
1187 uint32_t cfg_suppress_link_up;
1188 uint32_t cfg_rrq_xri_bitmap_sz;
1189 u32 cfg_fcp_wait_abts_rsp;
1190 uint32_t cfg_delay_discovery;
1191 uint32_t cfg_sli_mode;
1192 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
1193 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
1194 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
1195 uint32_t cfg_fdmi_on;
1196 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */
1197 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */
1198 uint32_t cfg_enable_SmartSAN;
1199 uint32_t cfg_enable_mds_diags;
1200 uint32_t cfg_ras_fwlog_level;
1201 uint32_t cfg_ras_fwlog_buffsize;
1202 uint32_t cfg_ras_fwlog_func;
1203 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */
1204 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */
1205 uint32_t cfg_enable_pbde;
1206 uint32_t cfg_enable_mi;
1207 struct nvmet_fc_target_port *targetport;
1208 lpfc_vpd_t vpd; /* vital product data */
1209
1210 u32 cfg_max_vmid; /* maximum VMIDs allowed per port */
1211 u32 cfg_vmid_app_header;
1212 #define LPFC_VMID_APP_HEADER_DISABLE 0
1213 #define LPFC_VMID_APP_HEADER_ENABLE 1
1214 u32 cfg_vmid_priority_tagging;
1215 u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */
1216 /* deregisters from switch */
1217 struct pci_dev *pcidev;
1218 struct list_head work_list;
1219 uint32_t work_ha; /* Host Attention Bits for WT */
1220 uint32_t work_ha_mask; /* HA Bits owned by WT */
1221 uint32_t work_hs; /* HS stored in case of ERRAT */
1222 uint32_t work_status[2]; /* Extra status from SLIM */
1223
1224 wait_queue_head_t work_waitq;
1225 struct task_struct *worker_thread;
1226 unsigned long data_flags;
1227 uint32_t border_sge_num;
1228
1229 uint32_t hbq_in_use; /* HBQs in use flag */
1230 uint32_t hbq_count; /* Count of configured HBQs */
1231 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
1232
1233 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */
1234 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */
1235
1236 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */
1237 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */
1238 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */
1239 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
1240 PCI BAR0 */
1241 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
1242 PCI BAR2 */
1243
1244 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
1245 PCI BAR0 with dual-ULP support */
1246 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
1247 PCI BAR2 with dual-ULP support */
1248 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
1249 PCI BAR4 with dual-ULP support */
1250 #define PCI_64BIT_BAR0 0
1251 #define PCI_64BIT_BAR2 2
1252 #define PCI_64BIT_BAR4 4
1253 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
1254 void __iomem *HAregaddr; /* virtual address for host attn reg */
1255 void __iomem *CAregaddr; /* virtual address for chip attn reg */
1256 void __iomem *HSregaddr; /* virtual address for host status
1257 reg */
1258 void __iomem *HCregaddr; /* virtual address for host ctl reg */
1259
1260 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
1261 struct lpfc_pgp *port_gp;
1262 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
1263 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
1264
1265 int brd_no; /* FC board number */
1266 char SerialNumber[32]; /* adapter Serial Number */
1267 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
1268 char BIOSVersion[16]; /* Boot BIOS version */
1269 char ModelDesc[256]; /* Model Description */
1270 char ModelName[80]; /* Model Name */
1271 char ProgramType[256]; /* Program Type */
1272 char Port[20]; /* Port No */
1273 uint8_t vpd_flag; /* VPD data flag */
1274
1275 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
1276 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
1277 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
1278 #define VPD_PORT 0x8 /* valid vpd port data */
1279 #define VPD_MASK 0xf /* mask for any vpd data */
1280
1281
1282 struct timer_list fcp_poll_timer;
1283 struct timer_list eratt_poll;
1284 uint32_t eratt_poll_interval;
1285
1286 uint64_t bg_guard_err_cnt;
1287 uint64_t bg_apptag_err_cnt;
1288 uint64_t bg_reftag_err_cnt;
1289
1290 /* fastpath list. */
1291 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */
1292 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */
1293 struct list_head lpfc_scsi_buf_list_get;
1294 struct list_head lpfc_scsi_buf_list_put;
1295 uint32_t total_scsi_bufs;
1296 struct list_head lpfc_iocb_list;
1297 uint32_t total_iocbq_bufs;
1298 spinlock_t rrq_list_lock; /* lock for active_rrq_list */
1299 struct list_head active_rrq_list;
1300 spinlock_t hbalock;
1301 struct work_struct unblock_request_work; /* SCSI layer unblock IOs */
1302
1303 /* dma_mem_pools */
1304 struct dma_pool *lpfc_sg_dma_buf_pool;
1305 struct dma_pool *lpfc_mbuf_pool;
1306 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
1307 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
1308 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
1309 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
1310 struct dma_pool *lpfc_cmd_rsp_buf_pool;
1311 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
1312
1313 mempool_t *mbox_mem_pool;
1314 mempool_t *nlp_mem_pool;
1315 mempool_t *rrq_pool;
1316 mempool_t *active_rrq_pool;
1317
1318 struct fc_host_statistics link_stats;
1319 enum lpfc_irq_chann_mode irq_chann_mode;
1320 enum intr_type_t intr_type;
1321 uint32_t intr_mode;
1322 #define LPFC_INTR_ERROR 0xFFFFFFFF
1323 struct list_head port_list;
1324 spinlock_t port_list_lock; /* lock for port_list mutations */
1325 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
1326 uint16_t max_vpi; /* Maximum virtual nports */
1327 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */
1328 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */
1329 uint16_t max_vports; /*
1330 * For IOV HBAs max_vpi can change
1331 * after a reset. max_vports is max
1332 * number of vports present. This can
1333 * be greater than max_vpi.
1334 */
1335 uint16_t vpi_base;
1336 uint16_t vfi_base;
1337 unsigned long *vpi_bmask; /* vpi allocation table */
1338 uint16_t *vpi_ids;
1339 uint16_t vpi_count;
1340 struct list_head lpfc_vpi_blk_list;
1341
1342 /* Data structure used by fabric iocb scheduler */
1343 struct list_head fabric_iocb_list;
1344 atomic_t fabric_iocb_count;
1345 struct timer_list fabric_block_timer;
1346 unsigned long bit_flags;
1347 atomic_t num_rsrc_err;
1348 unsigned long last_rsrc_error_time;
1349 unsigned long last_ramp_down_time;
1350 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1351 struct dentry *hba_debugfs_root;
1352 atomic_t debugfs_vport_count;
1353 struct dentry *debug_multixri_pools;
1354 struct dentry *debug_hbqinfo;
1355 struct dentry *debug_dumpHostSlim;
1356 struct dentry *debug_dumpHBASlim;
1357 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */
1358 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */
1359 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */
1360 struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1361 struct dentry *debug_writeApp; /* inject write app_tag errors */
1362 struct dentry *debug_writeRef; /* inject write ref_tag errors */
1363 struct dentry *debug_readGuard; /* inject read guard_tag errors */
1364 struct dentry *debug_readApp; /* inject read app_tag errors */
1365 struct dentry *debug_readRef; /* inject read ref_tag errors */
1366
1367 struct dentry *debug_nvmeio_trc;
1368 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1369 struct dentry *debug_hdwqinfo;
1370 #ifdef LPFC_HDWQ_LOCK_STAT
1371 struct dentry *debug_lockstat;
1372 #endif
1373 struct dentry *debug_cgn_buffer;
1374 struct dentry *debug_rx_monitor;
1375 struct dentry *debug_ras_log;
1376 atomic_t nvmeio_trc_cnt;
1377 uint32_t nvmeio_trc_size;
1378 uint32_t nvmeio_trc_output_idx;
1379
1380 /* T10 DIF error injection */
1381 uint32_t lpfc_injerr_wgrd_cnt;
1382 uint32_t lpfc_injerr_wapp_cnt;
1383 uint32_t lpfc_injerr_wref_cnt;
1384 uint32_t lpfc_injerr_rgrd_cnt;
1385 uint32_t lpfc_injerr_rapp_cnt;
1386 uint32_t lpfc_injerr_rref_cnt;
1387 uint32_t lpfc_injerr_nportid;
1388 struct lpfc_name lpfc_injerr_wwpn;
1389 sector_t lpfc_injerr_lba;
1390 #define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1391
1392 struct dentry *debug_slow_ring_trc;
1393 struct lpfc_debugfs_trc *slow_ring_trc;
1394 atomic_t slow_ring_trc_cnt;
1395 /* iDiag debugfs sub-directory */
1396 struct dentry *idiag_root;
1397 struct dentry *idiag_pci_cfg;
1398 struct dentry *idiag_bar_acc;
1399 struct dentry *idiag_que_info;
1400 struct dentry *idiag_que_acc;
1401 struct dentry *idiag_drb_acc;
1402 struct dentry *idiag_ctl_acc;
1403 struct dentry *idiag_mbx_acc;
1404 struct dentry *idiag_ext_acc;
1405 uint8_t lpfc_idiag_last_eq;
1406 #endif
1407 uint16_t nvmeio_trc_on;
1408
1409 /* Used for deferred freeing of ELS data buffers */
1410 struct list_head elsbuf;
1411 int elsbuf_cnt;
1412 int elsbuf_prev_cnt;
1413
1414 uint8_t temp_sensor_support;
1415 /* Fields used for heart beat. */
1416 unsigned long last_completion_time;
1417 unsigned long skipped_hb;
1418 struct timer_list hb_tmofunc;
1419 struct timer_list rrq_tmr;
1420 enum hba_temp_state over_temp_state;
1421 /*
1422 * Following bit will be set for all buffer tags which are not
1423 * associated with any HBQ.
1424 */
1425 #define QUE_BUFTAG_BIT (1<<31)
1426 uint32_t buffer_tag_count;
1427
1428 /* Maximum number of events that can be outstanding at any time*/
1429 #define LPFC_MAX_EVT_COUNT 512
1430 atomic_t fast_event_count;
1431 uint32_t fcoe_eventtag;
1432 uint32_t fcoe_eventtag_at_fcf_scan;
1433 uint32_t fcoe_cvl_eventtag;
1434 uint32_t fcoe_cvl_eventtag_attn;
1435 struct lpfc_fcf fcf;
1436 uint8_t fc_map[3];
1437 uint8_t valid_vlan;
1438 uint16_t vlan_id;
1439 struct list_head fcf_conn_rec_list;
1440
1441 struct lpfc_defer_flogi_acc defer_flogi_acc;
1442
1443 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1444 struct list_head ct_ev_waiters;
1445 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1446 uint32_t ctx_idx;
1447 struct timer_list inactive_vmid_poll;
1448
1449 /* RAS Support */
1450 spinlock_t ras_fwlog_lock; /* do not take while holding another lock */
1451 struct lpfc_ras_fwlog ras_fwlog;
1452
1453 uint32_t iocb_cnt;
1454 uint32_t iocb_max;
1455 atomic_t sdev_cnt;
1456 spinlock_t devicelock; /* lock for luns list */
1457 mempool_t *device_data_mem_pool;
1458 struct list_head luns;
1459 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1460 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1461 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1462 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1463 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1464 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1465 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1466 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1467 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1468 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1469 uint16_t sfp_alarm;
1470 uint16_t sfp_warning;
1471
1472 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1473 uint16_t hdwqstat_on;
1474 #define LPFC_CHECK_OFF 0
1475 #define LPFC_CHECK_NVME_IO 1
1476 #define LPFC_CHECK_NVMET_IO 2
1477 #define LPFC_CHECK_SCSI_IO 4
1478 uint16_t ktime_on;
1479 uint64_t ktime_data_samples;
1480 uint64_t ktime_status_samples;
1481 uint64_t ktime_last_cmd;
1482 uint64_t ktime_seg1_total;
1483 uint64_t ktime_seg1_min;
1484 uint64_t ktime_seg1_max;
1485 uint64_t ktime_seg2_total;
1486 uint64_t ktime_seg2_min;
1487 uint64_t ktime_seg2_max;
1488 uint64_t ktime_seg3_total;
1489 uint64_t ktime_seg3_min;
1490 uint64_t ktime_seg3_max;
1491 uint64_t ktime_seg4_total;
1492 uint64_t ktime_seg4_min;
1493 uint64_t ktime_seg4_max;
1494 uint64_t ktime_seg5_total;
1495 uint64_t ktime_seg5_min;
1496 uint64_t ktime_seg5_max;
1497 uint64_t ktime_seg6_total;
1498 uint64_t ktime_seg6_min;
1499 uint64_t ktime_seg6_max;
1500 uint64_t ktime_seg7_total;
1501 uint64_t ktime_seg7_min;
1502 uint64_t ktime_seg7_max;
1503 uint64_t ktime_seg8_total;
1504 uint64_t ktime_seg8_min;
1505 uint64_t ktime_seg8_max;
1506 uint64_t ktime_seg9_total;
1507 uint64_t ktime_seg9_min;
1508 uint64_t ktime_seg9_max;
1509 uint64_t ktime_seg10_total;
1510 uint64_t ktime_seg10_min;
1511 uint64_t ktime_seg10_max;
1512 #endif
1513 /* CMF objects */
1514 struct lpfc_cgn_stat __percpu *cmf_stat;
1515 uint32_t cmf_interval_rate; /* timer interval limit in ms */
1516 uint32_t cmf_timer_cnt;
1517 #define LPFC_CMF_INTERVAL 90
1518 uint64_t cmf_link_byte_count;
1519 uint64_t cmf_max_line_rate;
1520 uint64_t cmf_max_bytes_per_interval;
1521 uint64_t cmf_last_sync_bw;
1522 #define LPFC_CMF_BLK_SIZE 512
1523 struct hrtimer cmf_timer;
1524 struct hrtimer cmf_stats_timer; /* 1 minute stats timer */
1525 atomic_t cmf_bw_wait;
1526 atomic_t cmf_busy;
1527 atomic_t cmf_stop_io; /* To block request and stop IO's */
1528 uint32_t cmf_active_mode;
1529 uint32_t cmf_info_per_interval;
1530 #define LPFC_MAX_CMF_INFO 32
1531 struct timespec64 cmf_latency; /* Interval congestion timestamp */
1532 uint32_t cmf_last_ts; /* Interval congestion time (ms) */
1533 uint32_t cmf_active_info;
1534
1535 /* Signal / FPIN handling for Congestion Mgmt */
1536 u8 cgn_reg_fpin; /* Negotiated value from RDF */
1537 u8 cgn_init_reg_fpin; /* Initial value from READ_CONFIG */
1538 #define LPFC_CGN_FPIN_NONE 0x0
1539 #define LPFC_CGN_FPIN_WARN 0x1
1540 #define LPFC_CGN_FPIN_ALARM 0x2
1541 #define LPFC_CGN_FPIN_BOTH (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM)
1542
1543 u8 cgn_reg_signal; /* Negotiated value from EDC */
1544 u8 cgn_init_reg_signal; /* Initial value from READ_CONFIG */
1545 /* cgn_reg_signal and cgn_init_reg_signal use
1546 * enum fc_edc_cg_signal_cap_types
1547 */
1548 u16 cgn_fpin_frequency; /* In units of msecs */
1549 #define LPFC_FPIN_INIT_FREQ 0xffff
1550 u32 cgn_sig_freq;
1551 u32 cgn_acqe_cnt;
1552
1553 /* RX monitor handling for CMF */
1554 struct lpfc_rx_info_monitor *rx_monitor;
1555 atomic_t rx_max_read_cnt; /* Maximum read bytes */
1556 uint64_t rx_block_cnt;
1557
1558 /* Congestion parameters from flash */
1559 struct lpfc_cgn_param cgn_p;
1560
1561 /* Statistics counter for ACQE cgn alarms and warnings */
1562 struct lpfc_cgn_acqe_stat cgn_acqe_stat;
1563
1564 /* Congestion buffer information */
1565 struct lpfc_dmabuf *cgn_i; /* Congestion Info buffer */
1566 atomic_t cgn_fabric_warn_cnt; /* Total warning cgn events for info */
1567 atomic_t cgn_fabric_alarm_cnt; /* Total alarm cgn events for info */
1568 atomic_t cgn_sync_warn_cnt; /* Total warning events for SYNC wqe */
1569 atomic_t cgn_sync_alarm_cnt; /* Total alarm events for SYNC wqe */
1570 atomic_t cgn_driver_evt_cnt; /* Total driver cgn events for fmw */
1571 atomic_t cgn_latency_evt_cnt;
1572 atomic64_t cgn_latency_evt; /* Avg latency per minute */
1573 unsigned long cgn_evt_timestamp;
1574 #define LPFC_CGN_TIMER_TO_MIN 60000 /* ms in a minute */
1575 uint32_t cgn_evt_minute;
1576 #define LPFC_SEC_MIN 60UL
1577 #define LPFC_MIN_HOUR 60
1578 #define LPFC_HOUR_DAY 24
1579 #define LPFC_MIN_DAY (LPFC_MIN_HOUR * LPFC_HOUR_DAY)
1580
1581 struct hlist_node cpuhp; /* used for cpuhp per hba callback */
1582 struct timer_list cpuhp_poll_timer;
1583 struct list_head poll_list; /* slowpath eq polling list */
1584 #define LPFC_POLL_HB 1 /* slowpath heartbeat */
1585
1586 char os_host_name[MAXHOSTNAMELEN];
1587
1588 /* LD Signaling */
1589 u32 degrade_activate_threshold;
1590 u32 degrade_deactivate_threshold;
1591 u32 fec_degrade_interval;
1592
1593 atomic_t dbg_log_idx;
1594 atomic_t dbg_log_cnt;
1595 atomic_t dbg_log_dmping;
1596 struct dbg_log_ent dbg_log[DBG_LOG_SZ];
1597 };
1598
1599 #define LPFC_MAX_RXMONITOR_ENTRY 800
1600 #define LPFC_MAX_RXMONITOR_DUMP 32
1601 struct rx_info_entry {
1602 uint64_t cmf_bytes; /* Total no of read bytes for CMF_SYNC_WQE */
1603 uint64_t total_bytes; /* Total no of read bytes requested */
1604 uint64_t rcv_bytes; /* Total no of read bytes completed */
1605 uint64_t avg_io_size;
1606 uint64_t avg_io_latency;/* Average io latency in microseconds */
1607 uint64_t max_read_cnt; /* Maximum read bytes */
1608 uint64_t max_bytes_per_interval;
1609 uint32_t cmf_busy;
1610 uint32_t cmf_info; /* CMF_SYNC_WQE info */
1611 uint32_t io_cnt;
1612 uint32_t timer_utilization;
1613 uint32_t timer_interval;
1614 };
1615
1616 struct lpfc_rx_info_monitor {
1617 struct rx_info_entry *ring; /* info organized in a circular buffer */
1618 u32 head_idx, tail_idx; /* index to head/tail of ring */
1619 spinlock_t lock; /* spinlock for ring */
1620 u32 entries; /* storing number entries/size of ring */
1621 };
1622
1623 static inline struct Scsi_Host *
lpfc_shost_from_vport(struct lpfc_vport * vport)1624 lpfc_shost_from_vport(struct lpfc_vport *vport)
1625 {
1626 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1627 }
1628
1629 static inline void
lpfc_set_loopback_flag(struct lpfc_hba * phba)1630 lpfc_set_loopback_flag(struct lpfc_hba *phba)
1631 {
1632 if (phba->cfg_topology == FLAGS_LOCAL_LB)
1633 phba->link_flag |= LS_LOOPBACK_MODE;
1634 else
1635 phba->link_flag &= ~LS_LOOPBACK_MODE;
1636 }
1637
1638 static inline int
lpfc_is_link_up(struct lpfc_hba * phba)1639 lpfc_is_link_up(struct lpfc_hba *phba)
1640 {
1641 return phba->link_state == LPFC_LINK_UP ||
1642 phba->link_state == LPFC_CLEAR_LA ||
1643 phba->link_state == LPFC_HBA_READY;
1644 }
1645
1646 static inline void
lpfc_worker_wake_up(struct lpfc_hba * phba)1647 lpfc_worker_wake_up(struct lpfc_hba *phba)
1648 {
1649 /* Set the lpfc data pending flag */
1650 set_bit(LPFC_DATA_READY, &phba->data_flags);
1651
1652 /* Wake up worker thread */
1653 wake_up(&phba->work_waitq);
1654 return;
1655 }
1656
1657 static inline int
lpfc_readl(void __iomem * addr,uint32_t * data)1658 lpfc_readl(void __iomem *addr, uint32_t *data)
1659 {
1660 uint32_t temp;
1661 temp = readl(addr);
1662 if (temp == 0xffffffff)
1663 return -EIO;
1664 *data = temp;
1665 return 0;
1666 }
1667
1668 static inline int
lpfc_sli_read_hs(struct lpfc_hba * phba)1669 lpfc_sli_read_hs(struct lpfc_hba *phba)
1670 {
1671 /*
1672 * There was a link/board error. Read the status register to retrieve
1673 * the error event and process it.
1674 */
1675 phba->sli.slistat.err_attn_event++;
1676
1677 /* Save status info and check for unplug error */
1678 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1679 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1680 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1681 return -EIO;
1682 }
1683
1684 /* Clear chip Host Attention error bit */
1685 writel(HA_ERATT, phba->HAregaddr);
1686 readl(phba->HAregaddr); /* flush */
1687 phba->pport->stopped = 1;
1688
1689 return 0;
1690 }
1691
1692 static inline struct lpfc_sli_ring *
lpfc_phba_elsring(struct lpfc_hba * phba)1693 lpfc_phba_elsring(struct lpfc_hba *phba)
1694 {
1695 /* Return NULL if sli_rev has become invalid due to bad fw */
1696 if (phba->sli_rev != LPFC_SLI_REV4 &&
1697 phba->sli_rev != LPFC_SLI_REV3 &&
1698 phba->sli_rev != LPFC_SLI_REV2)
1699 return NULL;
1700
1701 if (phba->sli_rev == LPFC_SLI_REV4) {
1702 if (phba->sli4_hba.els_wq)
1703 return phba->sli4_hba.els_wq->pring;
1704 else
1705 return NULL;
1706 }
1707 return &phba->sli.sli3_ring[LPFC_ELS_RING];
1708 }
1709
1710 /**
1711 * lpfc_next_online_cpu - Finds next online CPU on cpumask
1712 * @mask: Pointer to phba's cpumask member.
1713 * @start: starting cpu index
1714 *
1715 * Note: If no valid cpu found, then nr_cpu_ids is returned.
1716 *
1717 **/
1718 static inline unsigned int
lpfc_next_online_cpu(const struct cpumask * mask,unsigned int start)1719 lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start)
1720 {
1721 unsigned int cpu_it;
1722
1723 for_each_cpu_wrap(cpu_it, mask, start) {
1724 if (cpu_online(cpu_it))
1725 break;
1726 }
1727
1728 return cpu_it;
1729 }
1730 /**
1731 * lpfc_next_present_cpu - Finds next present CPU after n
1732 * @n: the cpu prior to search
1733 *
1734 * Note: If no next present cpu, then fallback to first present cpu.
1735 *
1736 **/
lpfc_next_present_cpu(int n)1737 static inline unsigned int lpfc_next_present_cpu(int n)
1738 {
1739 unsigned int cpu;
1740
1741 cpu = cpumask_next(n, cpu_present_mask);
1742
1743 if (cpu >= nr_cpu_ids)
1744 cpu = cpumask_first(cpu_present_mask);
1745
1746 return cpu;
1747 }
1748
1749 /**
1750 * lpfc_sli4_mod_hba_eq_delay - update EQ delay
1751 * @phba: Pointer to HBA context object.
1752 * @q: The Event Queue to update.
1753 * @delay: The delay value (in us) to be written.
1754 *
1755 **/
1756 static inline void
lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba * phba,struct lpfc_queue * eq,u32 delay)1757 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,
1758 u32 delay)
1759 {
1760 struct lpfc_register reg_data;
1761
1762 reg_data.word0 = 0;
1763 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id);
1764 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay);
1765 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);
1766 eq->q_mode = delay;
1767 }
1768
1769
1770 /*
1771 * Macro that declares tables and a routine to perform enum type to
1772 * ascii string lookup.
1773 *
1774 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for
1775 * the enum to populate the table. Macro defines a routine (named
1776 * by caller) that will search all elements of the table for the key
1777 * and return the name string if found or "Unrecognized" if not found.
1778 */
1779 #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \
1780 static struct { \
1781 enum enum_name value; \
1782 char *name; \
1783 } fc_##enum_name##_e2str_names[] = enum_init; \
1784 static const char *routine(enum enum_name table_key) \
1785 { \
1786 int i; \
1787 char *name = "Unrecognized"; \
1788 \
1789 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\
1790 if (fc_##enum_name##_e2str_names[i].value == table_key) {\
1791 name = fc_##enum_name##_e2str_names[i].name; \
1792 break; \
1793 } \
1794 } \
1795 return name; \
1796 }
1797
1798 /**
1799 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
1800 * @phba: Pointer to HBA context object.
1801 *
1802 * Relationship between the enable, target support and if vmid tag is required
1803 * for the particular combination
1804 * ---------------------------------------------------
1805 * Switch Enable Flag Target Support VMID Needed
1806 * ---------------------------------------------------
1807 * App Id 0 NA N
1808 * App Id 1 0 N
1809 * App Id 1 1 Y
1810 * Pr Tag 0 NA N
1811 * Pr Tag 1 0 N
1812 * Pr Tag 1 1 Y
1813 * Pr Tag 2 * Y
1814 ---------------------------------------------------
1815 *
1816 **/
lpfc_is_vmid_enabled(struct lpfc_hba * phba)1817 static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
1818 {
1819 return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;
1820 }
1821
1822 static inline
get_job_ulpstatus(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1823 u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1824 {
1825 if (phba->sli_rev == LPFC_SLI_REV4)
1826 return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl);
1827 else
1828 return iocbq->iocb.ulpStatus;
1829 }
1830
1831 static inline
get_job_word4(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1832 u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1833 {
1834 if (phba->sli_rev == LPFC_SLI_REV4)
1835 return iocbq->wcqe_cmpl.parameter;
1836 else
1837 return iocbq->iocb.un.ulpWord[4];
1838 }
1839
1840 static inline
get_job_cmnd(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1841 u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1842 {
1843 if (phba->sli_rev == LPFC_SLI_REV4)
1844 return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com);
1845 else
1846 return iocbq->iocb.ulpCommand;
1847 }
1848
1849 static inline
get_job_ulpcontext(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1850 u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1851 {
1852 if (phba->sli_rev == LPFC_SLI_REV4)
1853 return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com);
1854 else
1855 return iocbq->iocb.ulpContext;
1856 }
1857
1858 static inline
get_job_rcvoxid(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1859 u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1860 {
1861 if (phba->sli_rev == LPFC_SLI_REV4)
1862 return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com);
1863 else
1864 return iocbq->iocb.unsli3.rcvsli3.ox_id;
1865 }
1866
1867 static inline
get_job_data_placed(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1868 u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1869 {
1870 if (phba->sli_rev == LPFC_SLI_REV4)
1871 return iocbq->wcqe_cmpl.total_data_placed;
1872 else
1873 return iocbq->iocb.un.genreq64.bdl.bdeSize;
1874 }
1875
1876 static inline
get_job_abtsiotag(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1877 u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1878 {
1879 if (phba->sli_rev == LPFC_SLI_REV4)
1880 return iocbq->wqe.abort_cmd.wqe_com.abort_tag;
1881 else
1882 return iocbq->iocb.un.acxri.abortIoTag;
1883 }
1884
1885 static inline
get_job_els_rsp64_did(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1886 u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1887 {
1888 if (phba->sli_rev == LPFC_SLI_REV4)
1889 return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest);
1890 else
1891 return iocbq->iocb.un.elsreq64.remoteID;
1892 }
1893