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