1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2023 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
310 #define LPFC_VMID_TIMER 300 /* timer interval in seconds */
311
312 #define LPFC_MAX_VMID_SIZE 256
313
314 union lpfc_vmid_io_tag {
315 u32 app_id; /* App Id vmid */
316 u8 cs_ctl_vmid; /* Priority tag vmid */
317 };
318
319 #define JIFFIES_PER_HR (HZ * 60 * 60)
320
321 struct lpfc_vmid {
322 u8 flag;
323 #define LPFC_VMID_SLOT_FREE 0x0
324 #define LPFC_VMID_SLOT_USED 0x1
325 #define LPFC_VMID_REQ_REGISTER 0x2
326 #define LPFC_VMID_REGISTERED 0x4
327 #define LPFC_VMID_DE_REGISTER 0x8
328 char host_vmid[LPFC_MAX_VMID_SIZE];
329 union lpfc_vmid_io_tag un;
330 struct hlist_node hnode;
331 u64 io_rd_cnt;
332 u64 io_wr_cnt;
333 u8 vmid_len;
334 u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */
335 u32 hash_index;
336 u64 __percpu *last_io_time;
337 };
338
339 #define lpfc_vmid_is_type_priority_tag(vport)\
340 (vport->vmid_priority_tagging ? 1 : 0)
341
342 #define LPFC_VMID_HASH_SIZE 256
343 #define LPFC_VMID_HASH_MASK 255
344 #define LPFC_VMID_HASH_SHIFT 6
345
346 struct lpfc_vmid_context {
347 struct lpfc_vmid *vmp;
348 struct lpfc_nodelist *nlp;
349 bool instantiated;
350 };
351
352 struct lpfc_vmid_priority_range {
353 u8 low;
354 u8 high;
355 u8 qos;
356 };
357
358 struct lpfc_vmid_priority_info {
359 u32 num_descriptors;
360 struct lpfc_vmid_priority_range *vmid_range;
361 };
362
363 #define QFPA_EVEN_ONLY 0x01
364 #define QFPA_ODD_ONLY 0x02
365 #define QFPA_EVEN_ODD 0x03
366
367 enum discovery_state {
368 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
369 LPFC_VPORT_FAILED = 1, /* vport has failed */
370 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
371 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
372 LPFC_FDISC = 8, /* FDISC sent for vport */
373 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
374 * configured */
375 LPFC_NS_REG = 10, /* Register with NameServer */
376 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
377 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
378 * device authentication / discovery */
379 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
380 LPFC_VPORT_READY = 32,
381 };
382
383 enum hba_state {
384 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
385 LPFC_WARM_START = 1, /* HBA state after selective reset */
386 LPFC_INIT_START = 2, /* Initial state after board reset */
387 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
388 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
389 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
390 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
391 * CLEAR_LA */
392 LPFC_HBA_READY = 32,
393 LPFC_HBA_ERROR = -1
394 };
395
396 struct lpfc_trunk_link_state {
397 enum hba_state state;
398 uint8_t fault;
399 };
400
401 struct lpfc_trunk_link {
402 struct lpfc_trunk_link_state link0,
403 link1,
404 link2,
405 link3;
406 u32 phy_lnk_speed;
407 };
408
409 /* Format of congestion module parameters */
410 struct lpfc_cgn_param {
411 uint32_t cgn_param_magic;
412 uint8_t cgn_param_version; /* version 1 */
413 uint8_t cgn_param_mode; /* 0=off 1=managed 2=monitor only */
414 #define LPFC_CFG_OFF 0
415 #define LPFC_CFG_MANAGED 1
416 #define LPFC_CFG_MONITOR 2
417 uint8_t cgn_rsvd1;
418 uint8_t cgn_rsvd2;
419 uint8_t cgn_param_level0;
420 uint8_t cgn_param_level1;
421 uint8_t cgn_param_level2;
422 uint8_t byte11;
423 uint8_t byte12;
424 uint8_t byte13;
425 uint8_t byte14;
426 uint8_t byte15;
427 };
428
429 /* Max number of days of congestion data */
430 #define LPFC_MAX_CGN_DAYS 10
431
432 struct lpfc_cgn_ts {
433 uint8_t month;
434 uint8_t day;
435 uint8_t year;
436 uint8_t hour;
437 uint8_t minute;
438 uint8_t second;
439 };
440
441 /* Format of congestion buffer info
442 * This structure defines memory thats allocated and registered with
443 * the HBA firmware. When adding or removing fields from this structure
444 * the alignment must match the HBA firmware.
445 */
446
447 struct lpfc_cgn_info {
448 /* Header */
449 __le16 cgn_info_size; /* is sizeof(struct lpfc_cgn_info) */
450 uint8_t cgn_info_version; /* represents format of structure */
451 #define LPFC_CGN_INFO_V1 1
452 #define LPFC_CGN_INFO_V2 2
453 #define LPFC_CGN_INFO_V3 3
454 #define LPFC_CGN_INFO_V4 4
455 uint8_t cgn_info_mode; /* 0=off 1=managed 2=monitor only */
456 uint8_t cgn_info_detect;
457 uint8_t cgn_info_action;
458 uint8_t cgn_info_level0;
459 uint8_t cgn_info_level1;
460 uint8_t cgn_info_level2;
461
462 /* Start Time */
463 struct lpfc_cgn_ts base_time;
464
465 /* minute / hours / daily indices */
466 uint8_t cgn_index_minute;
467 uint8_t cgn_index_hour;
468 uint8_t cgn_index_day;
469
470 __le16 cgn_warn_freq;
471 __le16 cgn_alarm_freq;
472 __le16 cgn_lunq;
473 uint8_t cgn_pad1[8];
474
475 /* Driver Information */
476 __le16 cgn_drvr_min[60];
477 __le32 cgn_drvr_hr[24];
478 __le32 cgn_drvr_day[LPFC_MAX_CGN_DAYS];
479
480 /* Congestion Warnings */
481 __le16 cgn_warn_min[60];
482 __le32 cgn_warn_hr[24];
483 __le32 cgn_warn_day[LPFC_MAX_CGN_DAYS];
484
485 /* Latency Information */
486 __le32 cgn_latency_min[60];
487 __le32 cgn_latency_hr[24];
488 __le32 cgn_latency_day[LPFC_MAX_CGN_DAYS];
489
490 /* Bandwidth Information */
491 __le16 cgn_bw_min[60];
492 __le16 cgn_bw_hr[24];
493 __le16 cgn_bw_day[LPFC_MAX_CGN_DAYS];
494
495 /* Congestion Alarms */
496 __le16 cgn_alarm_min[60];
497 __le32 cgn_alarm_hr[24];
498 __le32 cgn_alarm_day[LPFC_MAX_CGN_DAYS];
499
500 struct_group(cgn_stat,
501 uint8_t cgn_stat_npm; /* Notifications per minute */
502
503 /* Start Time */
504 struct lpfc_cgn_ts stat_start; /* Base time */
505 uint8_t cgn_pad2;
506
507 __le32 cgn_notification;
508 __le32 cgn_peer_notification;
509 __le32 link_integ_notification;
510 __le32 delivery_notification;
511 struct lpfc_cgn_ts stat_fpin; /* Last congestion notification FPIN */
512 struct lpfc_cgn_ts stat_peer; /* Last peer congestion FPIN */
513 struct lpfc_cgn_ts stat_lnk; /* Last link integrity FPIN */
514 struct lpfc_cgn_ts stat_delivery; /* Last delivery notification FPIN */
515 );
516
517 __le32 cgn_info_crc;
518 #define LPFC_CGN_CRC32_MAGIC_NUMBER 0x1EDC6F41
519 #define LPFC_CGN_CRC32_SEED 0xFFFFFFFF
520 };
521
522 #define LPFC_CGN_INFO_SZ (sizeof(struct lpfc_cgn_info) - \
523 sizeof(uint32_t))
524
525 struct lpfc_cgn_stat {
526 atomic64_t total_bytes;
527 atomic64_t rcv_bytes;
528 atomic64_t rx_latency;
529 #define LPFC_CGN_NOT_SENT 0xFFFFFFFFFFFFFFFFLL
530 atomic_t rx_io_cnt;
531 };
532
533 struct lpfc_cgn_acqe_stat {
534 atomic64_t alarm;
535 atomic64_t warn;
536 };
537
538 struct lpfc_vport {
539 struct lpfc_hba *phba;
540 struct list_head listentry;
541 uint8_t port_type;
542 #define LPFC_PHYSICAL_PORT 1
543 #define LPFC_NPIV_PORT 2
544 #define LPFC_FABRIC_PORT 3
545 enum discovery_state port_state;
546
547 uint16_t vpi;
548 uint16_t vfi;
549 uint8_t vpi_state;
550 #define LPFC_VPI_REGISTERED 0x1
551
552 uint32_t fc_flag; /* FC flags */
553 /* Several of these flags are HBA centric and should be moved to
554 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
555 */
556 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
557 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
558 #define FC_DISC_TMO 0x4 /* Discovery timer running */
559 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
560 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
561 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
562 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
563 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
564 #define FC_FABRIC 0x100 /* We are fabric attached */
565 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
566 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
567 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
568 #define FC_PT2PT_NO_NVME 0x1000 /* Don't send NVME PRLI */
569 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
570 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
571 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
572 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
573 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
574 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
575 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
576 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
577 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
578 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
579 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */
580
581 uint32_t ct_flags;
582 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
583 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
584 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
585 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
586 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
587 #define FC_CT_RPRT_DEFER 0x20 /* Defer issuing FDMI RPRT */
588
589 struct list_head fc_nodes;
590
591 /* Keep counters for the number of entries in each list. */
592 uint16_t fc_plogi_cnt;
593 uint16_t fc_adisc_cnt;
594 uint16_t fc_reglogin_cnt;
595 uint16_t fc_prli_cnt;
596 uint16_t fc_unmap_cnt;
597 uint16_t fc_map_cnt;
598 uint16_t fc_npr_cnt;
599 uint16_t fc_unused_cnt;
600 struct serv_parm fc_sparam; /* buffer for our service parameters */
601
602 uint32_t fc_myDID; /* fibre channel S_ID */
603 uint32_t fc_prevDID; /* previous fibre channel S_ID */
604 struct lpfc_name fabric_portname;
605 struct lpfc_name fabric_nodename;
606
607 int32_t stopped; /* HBA has not been restarted since last ERATT */
608 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
609
610 uint32_t num_disc_nodes; /* in addition to hba_state */
611 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */
612
613 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
614 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
615 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
616 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
617 struct lpfc_name fc_nodename; /* fc nodename */
618 struct lpfc_name fc_portname; /* fc portname */
619
620 struct lpfc_work_evt disc_timeout_evt;
621
622 struct timer_list fc_disctmo; /* Discovery rescue timer */
623 uint8_t fc_ns_retry; /* retries for fabric nameserver */
624 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
625
626 spinlock_t work_port_lock;
627 uint32_t work_port_events; /* Timeout to be handled */
628 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
629 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
630 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
631
632 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
633 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
634 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
635 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
636 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
637 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
638 #define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */
639 #define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs
640 * to be issued */
641
642 struct timer_list els_tmofunc;
643 struct timer_list delayed_disc_tmo;
644
645 uint8_t load_flag;
646 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
647 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
648 #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */
649 #define FC_ALLOW_VMID 0x8 /* Allow VMID I/Os */
650 #define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all VMIDs */
651 /* Vport Config Parameters */
652 uint32_t cfg_scan_down;
653 uint32_t cfg_lun_queue_depth;
654 uint32_t cfg_nodev_tmo;
655 uint32_t cfg_devloss_tmo;
656 uint32_t cfg_restrict_login;
657 uint32_t cfg_peer_port_login;
658 uint32_t cfg_fcp_class;
659 uint32_t cfg_use_adisc;
660 uint32_t cfg_discovery_threads;
661 uint32_t cfg_log_verbose;
662 uint32_t cfg_enable_fc4_type;
663 uint32_t cfg_max_luns;
664 uint32_t cfg_enable_da_id;
665 uint32_t cfg_max_scsicmpl_time;
666 uint32_t cfg_tgt_queue_depth;
667 uint32_t cfg_first_burst_size;
668 uint32_t dev_loss_tmo_changed;
669 /* VMID parameters */
670 u8 lpfc_vmid_host_uuid[16];
671 u32 max_vmid; /* maximum VMIDs allowed per port */
672 u32 cur_vmid_cnt; /* Current VMID count */
673 #define LPFC_MIN_VMID 4
674 #define LPFC_MAX_VMID 255
675 u32 vmid_inactivity_timeout; /* Time after which the VMID */
676 /* deregisters from switch */
677 u32 vmid_priority_tagging;
678 #define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */
679 #define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */
680 #define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */
681 unsigned long *vmid_priority_range;
682 #define LPFC_VMID_MAX_PRIORITY_RANGE 256
683 #define LPFC_VMID_PRIORITY_BITMAP_SIZE 32
684 u8 vmid_flag;
685 #define LPFC_VMID_IN_USE 0x1
686 #define LPFC_VMID_ISSUE_QFPA 0x2
687 #define LPFC_VMID_QFPA_CMPL 0x4
688 #define LPFC_VMID_QOS_ENABLED 0x8
689 #define LPFC_VMID_TIMER_ENBLD 0x10
690 #define LPFC_VMID_TYPE_PRIO 0x20
691 struct fc_qfpa_res *qfpa_res;
692
693 struct fc_vport *fc_vport;
694
695 struct lpfc_vmid *vmid;
696 DECLARE_HASHTABLE(hash_table, 8);
697 rwlock_t vmid_lock;
698 struct lpfc_vmid_priority_info vmid_priority;
699
700 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
701 struct dentry *debug_disc_trc;
702 struct dentry *debug_nodelist;
703 struct dentry *debug_nvmestat;
704 struct dentry *debug_scsistat;
705 struct dentry *debug_ioktime;
706 struct dentry *debug_hdwqstat;
707 struct dentry *vport_debugfs_root;
708 struct lpfc_debugfs_trc *disc_trc;
709 atomic_t disc_trc_cnt;
710 #endif
711 struct list_head rcv_buffer_list;
712 unsigned long rcv_buffer_time_stamp;
713 uint32_t vport_flag;
714 #define STATIC_VPORT 0x1
715 #define FAWWPN_PARAM_CHG 0x2
716
717 uint16_t fdmi_num_disc;
718 uint32_t fdmi_hba_mask;
719 uint32_t fdmi_port_mask;
720
721 /* There is a single nvme instance per vport. */
722 struct nvme_fc_local_port *localport;
723 uint8_t nvmei_support; /* driver supports NVME Initiator */
724 uint32_t last_fcp_wqidx;
725 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */
726 };
727
728 struct hbq_s {
729 uint16_t entry_count; /* Current number of HBQ slots */
730 uint16_t buffer_count; /* Current number of buffers posted */
731 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
732 uint32_t hbqPutIdx; /* HBQ slot to use */
733 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
734 void *hbq_virt; /* Virtual ptr to this hbq */
735 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
736 /* Callback for HBQ buffer allocation */
737 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
738 /* Callback for HBQ buffer free */
739 void (*hbq_free_buffer) (struct lpfc_hba *,
740 struct hbq_dmabuf *);
741 };
742
743 /* this matches the position in the lpfc_hbq_defs array */
744 #define LPFC_ELS_HBQ 0
745 #define LPFC_MAX_HBQS 1
746
747 enum hba_temp_state {
748 HBA_NORMAL_TEMP,
749 HBA_OVER_TEMP
750 };
751
752 enum intr_type_t {
753 NONE = 0,
754 INTx,
755 MSI,
756 MSIX,
757 };
758
759 #define LPFC_CT_CTX_MAX 64
760 struct unsol_rcv_ct_ctx {
761 uint32_t ctxt_id;
762 uint32_t SID;
763 uint32_t valid;
764 #define UNSOL_INVALID 0
765 #define UNSOL_VALID 1
766 uint16_t oxid;
767 uint16_t rxid;
768 };
769
770 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
771 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
772 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
773 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
774 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
775 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
776 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
777 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */
778 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */
779 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G
780
781 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
782
783 enum nemb_type {
784 nemb_mse = 1,
785 nemb_hbd
786 };
787
788 enum mbox_type {
789 mbox_rd = 1,
790 mbox_wr
791 };
792
793 enum dma_type {
794 dma_mbox = 1,
795 dma_ebuf
796 };
797
798 enum sta_type {
799 sta_pre_addr = 1,
800 sta_pos_addr
801 };
802
803 struct lpfc_mbox_ext_buf_ctx {
804 uint32_t state;
805 #define LPFC_BSG_MBOX_IDLE 0
806 #define LPFC_BSG_MBOX_HOST 1
807 #define LPFC_BSG_MBOX_PORT 2
808 #define LPFC_BSG_MBOX_DONE 3
809 #define LPFC_BSG_MBOX_ABTS 4
810 enum nemb_type nembType;
811 enum mbox_type mboxType;
812 uint32_t numBuf;
813 uint32_t mbxTag;
814 uint32_t seqNum;
815 struct lpfc_dmabuf *mbx_dmabuf;
816 struct list_head ext_dmabuf_list;
817 };
818
819 struct lpfc_epd_pool {
820 /* Expedite pool */
821 struct list_head list;
822 u32 count;
823 spinlock_t lock; /* lock for expedite pool */
824 };
825
826 enum ras_state {
827 INACTIVE,
828 REG_INPROGRESS,
829 ACTIVE
830 };
831
832 struct lpfc_ras_fwlog {
833 uint8_t *fwlog_buff;
834 uint32_t fw_buffcount; /* Buffer size posted to FW */
835 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */
836 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
837 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
838 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
839 uint32_t fw_loglevel; /* Log level set */
840 struct lpfc_dmabuf lwpd;
841 struct list_head fwlog_buff_list;
842
843 /* RAS support status on adapter */
844 bool ras_hwsupport; /* RAS Support available on HW or not */
845 bool ras_enabled; /* Ras Enabled for the function */
846 #define LPFC_RAS_DISABLE_LOGGING 0x00
847 #define LPFC_RAS_ENABLE_LOGGING 0x01
848 enum ras_state state; /* RAS logging running state */
849 };
850
851 #define DBG_LOG_STR_SZ 256
852 #define DBG_LOG_SZ 256
853
854 struct dbg_log_ent {
855 char log[DBG_LOG_STR_SZ];
856 u64 t_ns;
857 };
858
859 enum lpfc_irq_chann_mode {
860 /* Assign IRQs to all possible cpus that have hardware queues */
861 NORMAL_MODE,
862
863 /* Assign IRQs only to cpus on the same numa node as HBA */
864 NUMA_MODE,
865
866 /* Assign IRQs only on non-hyperthreaded CPUs. This is the
867 * same as normal_mode, but assign IRQS only on physical CPUs.
868 */
869 NHT_MODE,
870 };
871
872 enum lpfc_hba_bit_flags {
873 FABRIC_COMANDS_BLOCKED,
874 HBA_PCI_ERR,
875 MBX_TMO_ERR,
876 };
877
878 struct lpfc_hba {
879 /* SCSI interface function jump table entries */
880 struct lpfc_io_buf * (*lpfc_get_scsi_buf)
881 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
882 struct scsi_cmnd *cmnd);
883 int (*lpfc_scsi_prep_dma_buf)
884 (struct lpfc_hba *, struct lpfc_io_buf *);
885 void (*lpfc_scsi_unprep_dma_buf)
886 (struct lpfc_hba *, struct lpfc_io_buf *);
887 void (*lpfc_release_scsi_buf)
888 (struct lpfc_hba *, struct lpfc_io_buf *);
889 void (*lpfc_rampdown_queue_depth)
890 (struct lpfc_hba *);
891 void (*lpfc_scsi_prep_cmnd)
892 (struct lpfc_vport *, struct lpfc_io_buf *,
893 struct lpfc_nodelist *);
894 int (*lpfc_scsi_prep_cmnd_buf)
895 (struct lpfc_vport *vport,
896 struct lpfc_io_buf *lpfc_cmd,
897 uint8_t tmo);
898 int (*lpfc_scsi_prep_task_mgmt_cmd)
899 (struct lpfc_vport *vport,
900 struct lpfc_io_buf *lpfc_cmd,
901 u64 lun, u8 task_mgmt_cmd);
902
903 /* IOCB interface function jump table entries */
904 int (*__lpfc_sli_issue_iocb)
905 (struct lpfc_hba *, uint32_t,
906 struct lpfc_iocbq *, uint32_t);
907 int (*__lpfc_sli_issue_fcp_io)
908 (struct lpfc_hba *phba, uint32_t ring_number,
909 struct lpfc_iocbq *piocb, uint32_t flag);
910 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
911 struct lpfc_iocbq *);
912 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
913
914 /* MBOX interface function jump table entries */
915 int (*lpfc_sli_issue_mbox)
916 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
917
918 /* Slow-path IOCB process function jump table entries */
919 void (*lpfc_sli_handle_slow_ring_event)
920 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
921 uint32_t mask);
922
923 /* INIT device interface function jump table entries */
924 int (*lpfc_sli_hbq_to_firmware)
925 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
926 int (*lpfc_sli_brdrestart)
927 (struct lpfc_hba *);
928 int (*lpfc_sli_brdready)
929 (struct lpfc_hba *, uint32_t);
930 void (*lpfc_handle_eratt)
931 (struct lpfc_hba *);
932 void (*lpfc_stop_port)
933 (struct lpfc_hba *);
934 int (*lpfc_hba_init_link)
935 (struct lpfc_hba *, uint32_t);
936 int (*lpfc_hba_down_link)
937 (struct lpfc_hba *, uint32_t);
938 int (*lpfc_selective_reset)
939 (struct lpfc_hba *);
940
941 int (*lpfc_bg_scsi_prep_dma_buf)
942 (struct lpfc_hba *, struct lpfc_io_buf *);
943
944 /* Prep SLI WQE/IOCB jump table entries */
945 void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq,
946 struct lpfc_vport *vport,
947 struct lpfc_dmabuf *bmp,
948 u16 cmd_size, u32 did, u32 elscmd,
949 u8 tmo, u8 expect_rsp);
950 void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq,
951 struct lpfc_dmabuf *bmp, u16 rpi,
952 u32 num_entry, u8 tmo);
953 void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq,
954 struct lpfc_dmabuf *bmp, u16 rpi,
955 u16 ox_id, u32 num_entry, u8 rctl,
956 u8 last_seq, u8 cr_cx_cmd);
957 void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq,
958 u16 ulp_context, u16 iotag,
959 u8 ulp_class, u16 cqid, bool ia,
960 bool wqec);
961
962 /* expedite pool */
963 struct lpfc_epd_pool epd_pool;
964
965 /* SLI4 specific HBA data structure */
966 struct lpfc_sli4_hba sli4_hba;
967
968 struct workqueue_struct *wq;
969 struct delayed_work eq_delay_work;
970
971 #define LPFC_IDLE_STAT_DELAY 1000
972 struct delayed_work idle_stat_delay_work;
973
974 struct lpfc_sli sli;
975 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
976 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
977 uint32_t sli3_options; /* Mask of enabled SLI3 options */
978 #define LPFC_SLI3_HBQ_ENABLED 0x01
979 #define LPFC_SLI3_NPIV_ENABLED 0x02
980 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
981 #define LPFC_SLI3_CRP_ENABLED 0x08
982 #define LPFC_SLI3_BG_ENABLED 0x20
983 #define LPFC_SLI3_DSS_ENABLED 0x40
984 #define LPFC_SLI4_PERFH_ENABLED 0x80
985 #define LPFC_SLI4_PHWQ_ENABLED 0x100
986 uint32_t iocb_cmd_size;
987 uint32_t iocb_rsp_size;
988
989 struct lpfc_trunk_link trunk_link;
990 enum hba_state link_state;
991 uint32_t link_flag; /* link state flags */
992 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
993 /* This flag is set while issuing */
994 /* INIT_LINK mailbox command */
995 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
996 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
997 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */
998 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */
999 #define LS_CT_VEN_RPA 0x20 /* Vendor RPA sent to switch */
1000 #define LS_EXTERNAL_LOOPBACK 0x40 /* External loopback plug inserted */
1001
1002 uint32_t hba_flag; /* hba generic flags */
1003 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
1004 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */
1005 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */
1006 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
1007 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
1008 #define HBA_PERSISTENT_TOPO 0x20 /* Persistent topology support in hba */
1009 #define ELS_XRI_ABORT_EVENT 0x40 /* ELS_XRI abort event was queued */
1010 #define ASYNC_EVENT 0x80
1011 #define LINK_DISABLED 0x100 /* Link disabled by user */
1012 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
1013 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
1014 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
1015 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
1016 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */
1017 #define HBA_IOQ_FLUSH 0x8000 /* FCP/NVME I/O queues being flushed */
1018 #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */
1019 #define HBA_FORCED_LINK_SPEED 0x40000 /*
1020 * Firmware supports Forced Link Speed
1021 * capability
1022 */
1023 #define HBA_FLOGI_ISSUED 0x100000 /* FLOGI was issued */
1024 #define HBA_DEFER_FLOGI 0x800000 /* Defer FLOGI till read_sparm cmpl */
1025 #define HBA_SETUP 0x1000000 /* Signifies HBA setup is completed */
1026 #define HBA_NEEDS_CFG_PORT 0x2000000 /* SLI3 - needs a CONFIG_PORT mbox */
1027 #define HBA_HBEAT_INP 0x4000000 /* mbox HBEAT is in progress */
1028 #define HBA_HBEAT_TMO 0x8000000 /* HBEAT initiated after timeout */
1029 #define HBA_FLOGI_OUTSTANDING 0x10000000 /* FLOGI is outstanding */
1030 #define HBA_RHBA_CMPL 0x20000000 /* RHBA FDMI command is successful */
1031
1032 struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */
1033 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
1034 struct lpfc_dmabuf slim2p;
1035
1036 MAILBOX_t *mbox;
1037 uint32_t *mbox_ext;
1038 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
1039 uint32_t ha_copy;
1040 struct _PCB *pcb;
1041 struct _IOCB *IOCBs;
1042
1043 struct lpfc_dmabuf hbqslimp;
1044
1045 uint16_t pci_cfg_value;
1046
1047 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
1048
1049 uint32_t fc_eventTag; /* event tag for link attention */
1050 uint32_t link_events;
1051
1052 /* These fields used to be binfo */
1053 uint32_t fc_pref_DID; /* preferred D_ID */
1054 uint8_t fc_pref_ALPA; /* preferred AL_PA */
1055 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
1056 uint32_t fc_edtov; /* E_D_TOV timer value */
1057 uint32_t fc_arbtov; /* ARB_TOV timer value */
1058 uint32_t fc_ratov; /* R_A_TOV timer value */
1059 uint32_t fc_rttov; /* R_T_TOV timer value */
1060 uint32_t fc_altov; /* AL_TOV timer value */
1061 uint32_t fc_crtov; /* C_R_TOV timer value */
1062
1063 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
1064 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
1065
1066 uint32_t lmt;
1067
1068 uint32_t fc_topology; /* link topology, from LINK INIT */
1069 uint32_t fc_topology_changed; /* link topology, from LINK INIT */
1070
1071 struct lpfc_stats fc_stat;
1072
1073 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
1074 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
1075
1076 uint8_t wwnn[8];
1077 uint8_t wwpn[8];
1078 uint32_t RandomData[7];
1079 uint8_t fcp_embed_io;
1080 uint8_t nvmet_support; /* driver supports NVMET */
1081 #define LPFC_NVMET_MAX_PORTS 32
1082 uint8_t mds_diags_support;
1083 uint8_t bbcredit_support;
1084 uint8_t enab_exp_wqcq_pages;
1085 u8 nsler; /* Firmware supports FC-NVMe-2 SLER */
1086
1087 /* HBA Config Parameters */
1088 uint32_t cfg_ack0;
1089 uint32_t cfg_xri_rebalancing;
1090 uint32_t cfg_xpsgl;
1091 uint32_t cfg_enable_npiv;
1092 uint32_t cfg_enable_rrq;
1093 uint32_t cfg_topology;
1094 uint32_t cfg_link_speed;
1095 #define LPFC_FCF_FOV 1 /* Fast fcf failover */
1096 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */
1097 uint32_t cfg_fcf_failover_policy;
1098 uint32_t cfg_fcp_io_sched;
1099 uint32_t cfg_ns_query;
1100 uint32_t cfg_fcp2_no_tgt_reset;
1101 uint32_t cfg_cr_delay;
1102 uint32_t cfg_cr_count;
1103 uint32_t cfg_multi_ring_support;
1104 uint32_t cfg_multi_ring_rctl;
1105 uint32_t cfg_multi_ring_type;
1106 uint32_t cfg_poll;
1107 uint32_t cfg_poll_tmo;
1108 uint32_t cfg_task_mgmt_tmo;
1109 uint32_t cfg_use_msi;
1110 uint32_t cfg_auto_imax;
1111 uint32_t cfg_fcp_imax;
1112 uint32_t cfg_force_rscn;
1113 uint32_t cfg_cq_poll_threshold;
1114 uint32_t cfg_cq_max_proc_limit;
1115 uint32_t cfg_fcp_cpu_map;
1116 uint32_t cfg_fcp_mq_threshold;
1117 uint32_t cfg_hdw_queue;
1118 uint32_t cfg_irq_chann;
1119 uint32_t cfg_suppress_rsp;
1120 uint32_t cfg_nvme_oas;
1121 uint32_t cfg_nvme_embed_cmd;
1122 uint32_t cfg_nvmet_mrq_post;
1123 uint32_t cfg_nvmet_mrq;
1124 uint32_t cfg_enable_nvmet;
1125 uint32_t cfg_nvme_enable_fb;
1126 uint32_t cfg_nvmet_fb_size;
1127 uint32_t cfg_total_seg_cnt;
1128 uint32_t cfg_sg_seg_cnt;
1129 uint32_t cfg_nvme_seg_cnt;
1130 uint32_t cfg_scsi_seg_cnt;
1131 uint32_t cfg_sg_dma_buf_size;
1132 uint32_t cfg_hba_queue_depth;
1133 uint32_t cfg_enable_hba_reset;
1134 uint32_t cfg_enable_hba_heartbeat;
1135 uint32_t cfg_fof;
1136 uint32_t cfg_EnableXLane;
1137 uint8_t cfg_oas_tgt_wwpn[8];
1138 uint8_t cfg_oas_vpt_wwpn[8];
1139 uint32_t cfg_oas_lun_state;
1140 #define OAS_LUN_ENABLE 1
1141 #define OAS_LUN_DISABLE 0
1142 uint32_t cfg_oas_lun_status;
1143 #define OAS_LUN_STATUS_EXISTS 0x01
1144 uint32_t cfg_oas_flags;
1145 #define OAS_FIND_ANY_VPORT 0x01
1146 #define OAS_FIND_ANY_TARGET 0x02
1147 #define OAS_LUN_VALID 0x04
1148 uint32_t cfg_oas_priority;
1149 uint32_t cfg_XLanePriority;
1150 uint32_t cfg_enable_bg;
1151 uint32_t cfg_prot_mask;
1152 uint32_t cfg_prot_guard;
1153 uint32_t cfg_hostmem_hgp;
1154 uint32_t cfg_log_verbose;
1155 uint32_t cfg_enable_fc4_type;
1156 #define LPFC_ENABLE_FCP 1
1157 #define LPFC_ENABLE_NVME 2
1158 #define LPFC_ENABLE_BOTH 3
1159 #if (IS_ENABLED(CONFIG_NVME_FC))
1160 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH
1161 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH
1162 #else
1163 #define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP
1164 #define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP
1165 #endif
1166 uint32_t cfg_sriov_nr_virtfn;
1167 uint32_t cfg_request_firmware_upgrade;
1168 uint32_t cfg_suppress_link_up;
1169 uint32_t cfg_rrq_xri_bitmap_sz;
1170 u32 cfg_fcp_wait_abts_rsp;
1171 uint32_t cfg_delay_discovery;
1172 uint32_t cfg_sli_mode;
1173 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
1174 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
1175 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
1176 uint32_t cfg_fdmi_on;
1177 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */
1178 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */
1179 uint32_t cfg_enable_SmartSAN;
1180 uint32_t cfg_enable_mds_diags;
1181 uint32_t cfg_ras_fwlog_level;
1182 uint32_t cfg_ras_fwlog_buffsize;
1183 uint32_t cfg_ras_fwlog_func;
1184 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */
1185 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */
1186 uint32_t cfg_enable_pbde;
1187 uint32_t cfg_enable_mi;
1188 struct nvmet_fc_target_port *targetport;
1189 lpfc_vpd_t vpd; /* vital product data */
1190
1191 u32 cfg_max_vmid; /* maximum VMIDs allowed per port */
1192 u32 cfg_vmid_app_header;
1193 #define LPFC_VMID_APP_HEADER_DISABLE 0
1194 #define LPFC_VMID_APP_HEADER_ENABLE 1
1195 u32 cfg_vmid_priority_tagging;
1196 u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */
1197 /* deregisters from switch */
1198 struct pci_dev *pcidev;
1199 struct list_head work_list;
1200 uint32_t work_ha; /* Host Attention Bits for WT */
1201 uint32_t work_ha_mask; /* HA Bits owned by WT */
1202 uint32_t work_hs; /* HS stored in case of ERRAT */
1203 uint32_t work_status[2]; /* Extra status from SLIM */
1204
1205 wait_queue_head_t work_waitq;
1206 struct task_struct *worker_thread;
1207 unsigned long data_flags;
1208 uint32_t border_sge_num;
1209
1210 uint32_t hbq_in_use; /* HBQs in use flag */
1211 uint32_t hbq_count; /* Count of configured HBQs */
1212 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
1213
1214 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */
1215 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */
1216
1217 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */
1218 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */
1219 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */
1220 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
1221 PCI BAR0 */
1222 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
1223 PCI BAR2 */
1224
1225 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
1226 PCI BAR0 with dual-ULP support */
1227 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
1228 PCI BAR2 with dual-ULP support */
1229 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
1230 PCI BAR4 with dual-ULP support */
1231 #define PCI_64BIT_BAR0 0
1232 #define PCI_64BIT_BAR2 2
1233 #define PCI_64BIT_BAR4 4
1234 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
1235 void __iomem *HAregaddr; /* virtual address for host attn reg */
1236 void __iomem *CAregaddr; /* virtual address for chip attn reg */
1237 void __iomem *HSregaddr; /* virtual address for host status
1238 reg */
1239 void __iomem *HCregaddr; /* virtual address for host ctl reg */
1240
1241 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
1242 struct lpfc_pgp *port_gp;
1243 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
1244 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
1245
1246 int brd_no; /* FC board number */
1247 char SerialNumber[32]; /* adapter Serial Number */
1248 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
1249 char BIOSVersion[16]; /* Boot BIOS version */
1250 char ModelDesc[256]; /* Model Description */
1251 char ModelName[80]; /* Model Name */
1252 char ProgramType[256]; /* Program Type */
1253 char Port[20]; /* Port No */
1254 uint8_t vpd_flag; /* VPD data flag */
1255
1256 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
1257 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
1258 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
1259 #define VPD_PORT 0x8 /* valid vpd port data */
1260 #define VPD_MASK 0xf /* mask for any vpd data */
1261
1262
1263 struct timer_list fcp_poll_timer;
1264 struct timer_list eratt_poll;
1265 uint32_t eratt_poll_interval;
1266
1267 uint64_t bg_guard_err_cnt;
1268 uint64_t bg_apptag_err_cnt;
1269 uint64_t bg_reftag_err_cnt;
1270
1271 /* fastpath list. */
1272 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */
1273 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */
1274 struct list_head lpfc_scsi_buf_list_get;
1275 struct list_head lpfc_scsi_buf_list_put;
1276 uint32_t total_scsi_bufs;
1277 struct list_head lpfc_iocb_list;
1278 uint32_t total_iocbq_bufs;
1279 struct list_head active_rrq_list;
1280 spinlock_t hbalock;
1281 struct work_struct unblock_request_work; /* SCSI layer unblock IOs */
1282
1283 /* dma_mem_pools */
1284 struct dma_pool *lpfc_sg_dma_buf_pool;
1285 struct dma_pool *lpfc_mbuf_pool;
1286 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
1287 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
1288 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
1289 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
1290 struct dma_pool *lpfc_cmd_rsp_buf_pool;
1291 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
1292
1293 mempool_t *mbox_mem_pool;
1294 mempool_t *nlp_mem_pool;
1295 mempool_t *rrq_pool;
1296 mempool_t *active_rrq_pool;
1297
1298 struct fc_host_statistics link_stats;
1299 enum lpfc_irq_chann_mode irq_chann_mode;
1300 enum intr_type_t intr_type;
1301 uint32_t intr_mode;
1302 #define LPFC_INTR_ERROR 0xFFFFFFFF
1303 struct list_head port_list;
1304 spinlock_t port_list_lock; /* lock for port_list mutations */
1305 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
1306 uint16_t max_vpi; /* Maximum virtual nports */
1307 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */
1308 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */
1309 uint16_t max_vports; /*
1310 * For IOV HBAs max_vpi can change
1311 * after a reset. max_vports is max
1312 * number of vports present. This can
1313 * be greater than max_vpi.
1314 */
1315 uint16_t vpi_base;
1316 uint16_t vfi_base;
1317 unsigned long *vpi_bmask; /* vpi allocation table */
1318 uint16_t *vpi_ids;
1319 uint16_t vpi_count;
1320 struct list_head lpfc_vpi_blk_list;
1321
1322 /* Data structure used by fabric iocb scheduler */
1323 struct list_head fabric_iocb_list;
1324 atomic_t fabric_iocb_count;
1325 struct timer_list fabric_block_timer;
1326 unsigned long bit_flags;
1327 atomic_t num_rsrc_err;
1328 unsigned long last_rsrc_error_time;
1329 unsigned long last_ramp_down_time;
1330 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1331 struct dentry *hba_debugfs_root;
1332 atomic_t debugfs_vport_count;
1333 struct dentry *debug_multixri_pools;
1334 struct dentry *debug_hbqinfo;
1335 struct dentry *debug_dumpHostSlim;
1336 struct dentry *debug_dumpHBASlim;
1337 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */
1338 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */
1339 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */
1340 struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1341 struct dentry *debug_writeApp; /* inject write app_tag errors */
1342 struct dentry *debug_writeRef; /* inject write ref_tag errors */
1343 struct dentry *debug_readGuard; /* inject read guard_tag errors */
1344 struct dentry *debug_readApp; /* inject read app_tag errors */
1345 struct dentry *debug_readRef; /* inject read ref_tag errors */
1346
1347 struct dentry *debug_nvmeio_trc;
1348 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1349 struct dentry *debug_hdwqinfo;
1350 #ifdef LPFC_HDWQ_LOCK_STAT
1351 struct dentry *debug_lockstat;
1352 #endif
1353 struct dentry *debug_cgn_buffer;
1354 struct dentry *debug_rx_monitor;
1355 struct dentry *debug_ras_log;
1356 atomic_t nvmeio_trc_cnt;
1357 uint32_t nvmeio_trc_size;
1358 uint32_t nvmeio_trc_output_idx;
1359
1360 /* T10 DIF error injection */
1361 uint32_t lpfc_injerr_wgrd_cnt;
1362 uint32_t lpfc_injerr_wapp_cnt;
1363 uint32_t lpfc_injerr_wref_cnt;
1364 uint32_t lpfc_injerr_rgrd_cnt;
1365 uint32_t lpfc_injerr_rapp_cnt;
1366 uint32_t lpfc_injerr_rref_cnt;
1367 uint32_t lpfc_injerr_nportid;
1368 struct lpfc_name lpfc_injerr_wwpn;
1369 sector_t lpfc_injerr_lba;
1370 #define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1371
1372 struct dentry *debug_slow_ring_trc;
1373 struct lpfc_debugfs_trc *slow_ring_trc;
1374 atomic_t slow_ring_trc_cnt;
1375 /* iDiag debugfs sub-directory */
1376 struct dentry *idiag_root;
1377 struct dentry *idiag_pci_cfg;
1378 struct dentry *idiag_bar_acc;
1379 struct dentry *idiag_que_info;
1380 struct dentry *idiag_que_acc;
1381 struct dentry *idiag_drb_acc;
1382 struct dentry *idiag_ctl_acc;
1383 struct dentry *idiag_mbx_acc;
1384 struct dentry *idiag_ext_acc;
1385 uint8_t lpfc_idiag_last_eq;
1386 #endif
1387 uint16_t nvmeio_trc_on;
1388
1389 /* Used for deferred freeing of ELS data buffers */
1390 struct list_head elsbuf;
1391 int elsbuf_cnt;
1392 int elsbuf_prev_cnt;
1393
1394 uint8_t temp_sensor_support;
1395 /* Fields used for heart beat. */
1396 unsigned long last_completion_time;
1397 unsigned long skipped_hb;
1398 struct timer_list hb_tmofunc;
1399 struct timer_list rrq_tmr;
1400 enum hba_temp_state over_temp_state;
1401 /*
1402 * Following bit will be set for all buffer tags which are not
1403 * associated with any HBQ.
1404 */
1405 #define QUE_BUFTAG_BIT (1<<31)
1406 uint32_t buffer_tag_count;
1407
1408 /* Maximum number of events that can be outstanding at any time*/
1409 #define LPFC_MAX_EVT_COUNT 512
1410 atomic_t fast_event_count;
1411 uint32_t fcoe_eventtag;
1412 uint32_t fcoe_eventtag_at_fcf_scan;
1413 uint32_t fcoe_cvl_eventtag;
1414 uint32_t fcoe_cvl_eventtag_attn;
1415 struct lpfc_fcf fcf;
1416 uint8_t fc_map[3];
1417 uint8_t valid_vlan;
1418 uint16_t vlan_id;
1419 struct list_head fcf_conn_rec_list;
1420
1421 bool defer_flogi_acc_flag;
1422 uint16_t defer_flogi_acc_rx_id;
1423 uint16_t defer_flogi_acc_ox_id;
1424
1425 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1426 struct list_head ct_ev_waiters;
1427 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1428 uint32_t ctx_idx;
1429 struct timer_list inactive_vmid_poll;
1430
1431 /* RAS Support */
1432 spinlock_t ras_fwlog_lock; /* do not take while holding another lock */
1433 struct lpfc_ras_fwlog ras_fwlog;
1434
1435 uint32_t iocb_cnt;
1436 uint32_t iocb_max;
1437 atomic_t sdev_cnt;
1438 spinlock_t devicelock; /* lock for luns list */
1439 mempool_t *device_data_mem_pool;
1440 struct list_head luns;
1441 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1442 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1443 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1444 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1445 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1446 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1447 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1448 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1449 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1450 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1451 uint16_t sfp_alarm;
1452 uint16_t sfp_warning;
1453
1454 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1455 uint16_t hdwqstat_on;
1456 #define LPFC_CHECK_OFF 0
1457 #define LPFC_CHECK_NVME_IO 1
1458 #define LPFC_CHECK_NVMET_IO 2
1459 #define LPFC_CHECK_SCSI_IO 4
1460 uint16_t ktime_on;
1461 uint64_t ktime_data_samples;
1462 uint64_t ktime_status_samples;
1463 uint64_t ktime_last_cmd;
1464 uint64_t ktime_seg1_total;
1465 uint64_t ktime_seg1_min;
1466 uint64_t ktime_seg1_max;
1467 uint64_t ktime_seg2_total;
1468 uint64_t ktime_seg2_min;
1469 uint64_t ktime_seg2_max;
1470 uint64_t ktime_seg3_total;
1471 uint64_t ktime_seg3_min;
1472 uint64_t ktime_seg3_max;
1473 uint64_t ktime_seg4_total;
1474 uint64_t ktime_seg4_min;
1475 uint64_t ktime_seg4_max;
1476 uint64_t ktime_seg5_total;
1477 uint64_t ktime_seg5_min;
1478 uint64_t ktime_seg5_max;
1479 uint64_t ktime_seg6_total;
1480 uint64_t ktime_seg6_min;
1481 uint64_t ktime_seg6_max;
1482 uint64_t ktime_seg7_total;
1483 uint64_t ktime_seg7_min;
1484 uint64_t ktime_seg7_max;
1485 uint64_t ktime_seg8_total;
1486 uint64_t ktime_seg8_min;
1487 uint64_t ktime_seg8_max;
1488 uint64_t ktime_seg9_total;
1489 uint64_t ktime_seg9_min;
1490 uint64_t ktime_seg9_max;
1491 uint64_t ktime_seg10_total;
1492 uint64_t ktime_seg10_min;
1493 uint64_t ktime_seg10_max;
1494 #endif
1495 /* CMF objects */
1496 struct lpfc_cgn_stat __percpu *cmf_stat;
1497 uint32_t cmf_interval_rate; /* timer interval limit in ms */
1498 uint32_t cmf_timer_cnt;
1499 #define LPFC_CMF_INTERVAL 90
1500 uint64_t cmf_link_byte_count;
1501 uint64_t cmf_max_line_rate;
1502 uint64_t cmf_max_bytes_per_interval;
1503 uint64_t cmf_last_sync_bw;
1504 #define LPFC_CMF_BLK_SIZE 512
1505 struct hrtimer cmf_timer;
1506 struct hrtimer cmf_stats_timer; /* 1 minute stats timer */
1507 atomic_t cmf_bw_wait;
1508 atomic_t cmf_busy;
1509 atomic_t cmf_stop_io; /* To block request and stop IO's */
1510 uint32_t cmf_active_mode;
1511 uint32_t cmf_info_per_interval;
1512 #define LPFC_MAX_CMF_INFO 32
1513 struct timespec64 cmf_latency; /* Interval congestion timestamp */
1514 uint32_t cmf_last_ts; /* Interval congestion time (ms) */
1515 uint32_t cmf_active_info;
1516
1517 /* Signal / FPIN handling for Congestion Mgmt */
1518 u8 cgn_reg_fpin; /* Negotiated value from RDF */
1519 u8 cgn_init_reg_fpin; /* Initial value from READ_CONFIG */
1520 #define LPFC_CGN_FPIN_NONE 0x0
1521 #define LPFC_CGN_FPIN_WARN 0x1
1522 #define LPFC_CGN_FPIN_ALARM 0x2
1523 #define LPFC_CGN_FPIN_BOTH (LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM)
1524
1525 u8 cgn_reg_signal; /* Negotiated value from EDC */
1526 u8 cgn_init_reg_signal; /* Initial value from READ_CONFIG */
1527 /* cgn_reg_signal and cgn_init_reg_signal use
1528 * enum fc_edc_cg_signal_cap_types
1529 */
1530 u16 cgn_fpin_frequency; /* In units of msecs */
1531 #define LPFC_FPIN_INIT_FREQ 0xffff
1532 u32 cgn_sig_freq;
1533 u32 cgn_acqe_cnt;
1534
1535 /* RX monitor handling for CMF */
1536 struct lpfc_rx_info_monitor *rx_monitor;
1537 atomic_t rx_max_read_cnt; /* Maximum read bytes */
1538 uint64_t rx_block_cnt;
1539
1540 /* Congestion parameters from flash */
1541 struct lpfc_cgn_param cgn_p;
1542
1543 /* Statistics counter for ACQE cgn alarms and warnings */
1544 struct lpfc_cgn_acqe_stat cgn_acqe_stat;
1545
1546 /* Congestion buffer information */
1547 struct lpfc_dmabuf *cgn_i; /* Congestion Info buffer */
1548 atomic_t cgn_fabric_warn_cnt; /* Total warning cgn events for info */
1549 atomic_t cgn_fabric_alarm_cnt; /* Total alarm cgn events for info */
1550 atomic_t cgn_sync_warn_cnt; /* Total warning events for SYNC wqe */
1551 atomic_t cgn_sync_alarm_cnt; /* Total alarm events for SYNC wqe */
1552 atomic_t cgn_driver_evt_cnt; /* Total driver cgn events for fmw */
1553 atomic_t cgn_latency_evt_cnt;
1554 atomic64_t cgn_latency_evt; /* Avg latency per minute */
1555 unsigned long cgn_evt_timestamp;
1556 #define LPFC_CGN_TIMER_TO_MIN 60000 /* ms in a minute */
1557 uint32_t cgn_evt_minute;
1558 #define LPFC_SEC_MIN 60UL
1559 #define LPFC_MIN_HOUR 60
1560 #define LPFC_HOUR_DAY 24
1561 #define LPFC_MIN_DAY (LPFC_MIN_HOUR * LPFC_HOUR_DAY)
1562
1563 struct hlist_node cpuhp; /* used for cpuhp per hba callback */
1564 struct timer_list cpuhp_poll_timer;
1565 struct list_head poll_list; /* slowpath eq polling list */
1566 #define LPFC_POLL_HB 1 /* slowpath heartbeat */
1567
1568 char os_host_name[MAXHOSTNAMELEN];
1569
1570 /* LD Signaling */
1571 u32 degrade_activate_threshold;
1572 u32 degrade_deactivate_threshold;
1573 u32 fec_degrade_interval;
1574
1575 atomic_t dbg_log_idx;
1576 atomic_t dbg_log_cnt;
1577 atomic_t dbg_log_dmping;
1578 struct dbg_log_ent dbg_log[DBG_LOG_SZ];
1579 };
1580
1581 #define LPFC_MAX_RXMONITOR_ENTRY 800
1582 #define LPFC_MAX_RXMONITOR_DUMP 32
1583 struct rx_info_entry {
1584 uint64_t cmf_bytes; /* Total no of read bytes for CMF_SYNC_WQE */
1585 uint64_t total_bytes; /* Total no of read bytes requested */
1586 uint64_t rcv_bytes; /* Total no of read bytes completed */
1587 uint64_t avg_io_size;
1588 uint64_t avg_io_latency;/* Average io latency in microseconds */
1589 uint64_t max_read_cnt; /* Maximum read bytes */
1590 uint64_t max_bytes_per_interval;
1591 uint32_t cmf_busy;
1592 uint32_t cmf_info; /* CMF_SYNC_WQE info */
1593 uint32_t io_cnt;
1594 uint32_t timer_utilization;
1595 uint32_t timer_interval;
1596 };
1597
1598 struct lpfc_rx_info_monitor {
1599 struct rx_info_entry *ring; /* info organized in a circular buffer */
1600 u32 head_idx, tail_idx; /* index to head/tail of ring */
1601 spinlock_t lock; /* spinlock for ring */
1602 u32 entries; /* storing number entries/size of ring */
1603 };
1604
1605 static inline struct Scsi_Host *
lpfc_shost_from_vport(struct lpfc_vport * vport)1606 lpfc_shost_from_vport(struct lpfc_vport *vport)
1607 {
1608 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1609 }
1610
1611 static inline void
lpfc_set_loopback_flag(struct lpfc_hba * phba)1612 lpfc_set_loopback_flag(struct lpfc_hba *phba)
1613 {
1614 if (phba->cfg_topology == FLAGS_LOCAL_LB)
1615 phba->link_flag |= LS_LOOPBACK_MODE;
1616 else
1617 phba->link_flag &= ~LS_LOOPBACK_MODE;
1618 }
1619
1620 static inline int
lpfc_is_link_up(struct lpfc_hba * phba)1621 lpfc_is_link_up(struct lpfc_hba *phba)
1622 {
1623 return phba->link_state == LPFC_LINK_UP ||
1624 phba->link_state == LPFC_CLEAR_LA ||
1625 phba->link_state == LPFC_HBA_READY;
1626 }
1627
1628 static inline void
lpfc_worker_wake_up(struct lpfc_hba * phba)1629 lpfc_worker_wake_up(struct lpfc_hba *phba)
1630 {
1631 /* Set the lpfc data pending flag */
1632 set_bit(LPFC_DATA_READY, &phba->data_flags);
1633
1634 /* Wake up worker thread */
1635 wake_up(&phba->work_waitq);
1636 return;
1637 }
1638
1639 static inline int
lpfc_readl(void __iomem * addr,uint32_t * data)1640 lpfc_readl(void __iomem *addr, uint32_t *data)
1641 {
1642 uint32_t temp;
1643 temp = readl(addr);
1644 if (temp == 0xffffffff)
1645 return -EIO;
1646 *data = temp;
1647 return 0;
1648 }
1649
1650 static inline int
lpfc_sli_read_hs(struct lpfc_hba * phba)1651 lpfc_sli_read_hs(struct lpfc_hba *phba)
1652 {
1653 /*
1654 * There was a link/board error. Read the status register to retrieve
1655 * the error event and process it.
1656 */
1657 phba->sli.slistat.err_attn_event++;
1658
1659 /* Save status info and check for unplug error */
1660 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1661 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1662 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1663 return -EIO;
1664 }
1665
1666 /* Clear chip Host Attention error bit */
1667 writel(HA_ERATT, phba->HAregaddr);
1668 readl(phba->HAregaddr); /* flush */
1669 phba->pport->stopped = 1;
1670
1671 return 0;
1672 }
1673
1674 static inline struct lpfc_sli_ring *
lpfc_phba_elsring(struct lpfc_hba * phba)1675 lpfc_phba_elsring(struct lpfc_hba *phba)
1676 {
1677 /* Return NULL if sli_rev has become invalid due to bad fw */
1678 if (phba->sli_rev != LPFC_SLI_REV4 &&
1679 phba->sli_rev != LPFC_SLI_REV3 &&
1680 phba->sli_rev != LPFC_SLI_REV2)
1681 return NULL;
1682
1683 if (phba->sli_rev == LPFC_SLI_REV4) {
1684 if (phba->sli4_hba.els_wq)
1685 return phba->sli4_hba.els_wq->pring;
1686 else
1687 return NULL;
1688 }
1689 return &phba->sli.sli3_ring[LPFC_ELS_RING];
1690 }
1691
1692 /**
1693 * lpfc_next_online_cpu - Finds next online CPU on cpumask
1694 * @mask: Pointer to phba's cpumask member.
1695 * @start: starting cpu index
1696 *
1697 * Note: If no valid cpu found, then nr_cpu_ids is returned.
1698 *
1699 **/
1700 static inline unsigned int
lpfc_next_online_cpu(const struct cpumask * mask,unsigned int start)1701 lpfc_next_online_cpu(const struct cpumask *mask, unsigned int start)
1702 {
1703 unsigned int cpu_it;
1704
1705 for_each_cpu_wrap(cpu_it, mask, start) {
1706 if (cpu_online(cpu_it))
1707 break;
1708 }
1709
1710 return cpu_it;
1711 }
1712 /**
1713 * lpfc_next_present_cpu - Finds next present CPU after n
1714 * @n: the cpu prior to search
1715 *
1716 * Note: If no next present cpu, then fallback to first present cpu.
1717 *
1718 **/
lpfc_next_present_cpu(int n)1719 static inline unsigned int lpfc_next_present_cpu(int n)
1720 {
1721 unsigned int cpu;
1722
1723 cpu = cpumask_next(n, cpu_present_mask);
1724
1725 if (cpu >= nr_cpu_ids)
1726 cpu = cpumask_first(cpu_present_mask);
1727
1728 return cpu;
1729 }
1730
1731 /**
1732 * lpfc_sli4_mod_hba_eq_delay - update EQ delay
1733 * @phba: Pointer to HBA context object.
1734 * @q: The Event Queue to update.
1735 * @delay: The delay value (in us) to be written.
1736 *
1737 **/
1738 static inline void
lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba * phba,struct lpfc_queue * eq,u32 delay)1739 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,
1740 u32 delay)
1741 {
1742 struct lpfc_register reg_data;
1743
1744 reg_data.word0 = 0;
1745 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id);
1746 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay);
1747 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);
1748 eq->q_mode = delay;
1749 }
1750
1751
1752 /*
1753 * Macro that declares tables and a routine to perform enum type to
1754 * ascii string lookup.
1755 *
1756 * Defines a <key,value> table for an enum. Uses xxx_INIT defines for
1757 * the enum to populate the table. Macro defines a routine (named
1758 * by caller) that will search all elements of the table for the key
1759 * and return the name string if found or "Unrecognized" if not found.
1760 */
1761 #define DECLARE_ENUM2STR_LOOKUP(routine, enum_name, enum_init) \
1762 static struct { \
1763 enum enum_name value; \
1764 char *name; \
1765 } fc_##enum_name##_e2str_names[] = enum_init; \
1766 static const char *routine(enum enum_name table_key) \
1767 { \
1768 int i; \
1769 char *name = "Unrecognized"; \
1770 \
1771 for (i = 0; i < ARRAY_SIZE(fc_##enum_name##_e2str_names); i++) {\
1772 if (fc_##enum_name##_e2str_names[i].value == table_key) {\
1773 name = fc_##enum_name##_e2str_names[i].name; \
1774 break; \
1775 } \
1776 } \
1777 return name; \
1778 }
1779
1780 /**
1781 * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
1782 * @phba: Pointer to HBA context object.
1783 *
1784 * Relationship between the enable, target support and if vmid tag is required
1785 * for the particular combination
1786 * ---------------------------------------------------
1787 * Switch Enable Flag Target Support VMID Needed
1788 * ---------------------------------------------------
1789 * App Id 0 NA N
1790 * App Id 1 0 N
1791 * App Id 1 1 Y
1792 * Pr Tag 0 NA N
1793 * Pr Tag 1 0 N
1794 * Pr Tag 1 1 Y
1795 * Pr Tag 2 * Y
1796 ---------------------------------------------------
1797 *
1798 **/
lpfc_is_vmid_enabled(struct lpfc_hba * phba)1799 static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
1800 {
1801 return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;
1802 }
1803
1804 static inline
get_job_ulpstatus(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1805 u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1806 {
1807 if (phba->sli_rev == LPFC_SLI_REV4)
1808 return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl);
1809 else
1810 return iocbq->iocb.ulpStatus;
1811 }
1812
1813 static inline
get_job_word4(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1814 u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1815 {
1816 if (phba->sli_rev == LPFC_SLI_REV4)
1817 return iocbq->wcqe_cmpl.parameter;
1818 else
1819 return iocbq->iocb.un.ulpWord[4];
1820 }
1821
1822 static inline
get_job_cmnd(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1823 u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1824 {
1825 if (phba->sli_rev == LPFC_SLI_REV4)
1826 return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com);
1827 else
1828 return iocbq->iocb.ulpCommand;
1829 }
1830
1831 static inline
get_job_ulpcontext(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1832 u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1833 {
1834 if (phba->sli_rev == LPFC_SLI_REV4)
1835 return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com);
1836 else
1837 return iocbq->iocb.ulpContext;
1838 }
1839
1840 static inline
get_job_rcvoxid(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1841 u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1842 {
1843 if (phba->sli_rev == LPFC_SLI_REV4)
1844 return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com);
1845 else
1846 return iocbq->iocb.unsli3.rcvsli3.ox_id;
1847 }
1848
1849 static inline
get_job_data_placed(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1850 u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1851 {
1852 if (phba->sli_rev == LPFC_SLI_REV4)
1853 return iocbq->wcqe_cmpl.total_data_placed;
1854 else
1855 return iocbq->iocb.un.genreq64.bdl.bdeSize;
1856 }
1857
1858 static inline
get_job_abtsiotag(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1859 u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1860 {
1861 if (phba->sli_rev == LPFC_SLI_REV4)
1862 return iocbq->wqe.abort_cmd.wqe_com.abort_tag;
1863 else
1864 return iocbq->iocb.un.acxri.abortIoTag;
1865 }
1866
1867 static inline
get_job_els_rsp64_did(struct lpfc_hba * phba,struct lpfc_iocbq * iocbq)1868 u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1869 {
1870 if (phba->sli_rev == LPFC_SLI_REV4)
1871 return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest);
1872 else
1873 return iocbq->iocb.un.elsreq64.remoteID;
1874 }
1875