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