1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2019 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/ktime.h>
26 #include <linux/workqueue.h>
27
28 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
29 #define CONFIG_SCSI_LPFC_DEBUG_FS
30 #endif
31
32 struct lpfc_sli2_slim;
33
34 #define ELX_MODEL_NAME_SIZE 80
35
36 #define LPFC_PCI_DEV_LP 0x1
37 #define LPFC_PCI_DEV_OC 0x2
38
39 #define LPFC_SLI_REV2 2
40 #define LPFC_SLI_REV3 3
41 #define LPFC_SLI_REV4 4
42
43 #define LPFC_MAX_TARGET 4096 /* max number of targets supported */
44 #define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
45 requests */
46 #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
47 the NameServer before giving up. */
48 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
49 #define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
50 #define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
51 cmnd for menlo needs nearly twice as for firmware
52 downloads using bsg */
53
54 #define LPFC_DEFAULT_XPSGL_SIZE 256
55 #define LPFC_MAX_SG_TABLESIZE 0xffff
56 #define LPFC_MIN_SG_SLI4_BUF_SZ 0x800 /* based on LPFC_DEFAULT_SG_SEG_CNT */
57 #define LPFC_MAX_BG_SLI4_SEG_CNT_DIF 128 /* sg element count for BlockGuard */
58 #define LPFC_MAX_SG_SEG_CNT_DIF 512 /* sg element count per scsi cmnd */
59 #define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
60 #define LPFC_MIN_SG_SEG_CNT 32 /* sg element count per scsi cmnd */
61 #define LPFC_MAX_SGL_SEG_CNT 512 /* SGL element count per scsi cmnd */
62 #define LPFC_MAX_BPL_SEG_CNT 4096 /* BPL element count per scsi cmnd */
63 #define LPFC_MAX_NVME_SEG_CNT 256 /* max SGL element cnt per NVME cmnd */
64
65 #define LPFC_MAX_SGE_SIZE 0x80000000 /* Maximum data allowed in a SGE */
66 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
67 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
68 #define LPFC_VNAME_LEN 100 /* vport symbolic name length */
69 #define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
70 #define LPFC_MIN_TGT_QDEPTH 10
71 #define LPFC_MAX_TGT_QDEPTH 0xFFFF
72
73 #define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
74 collection. */
75 /*
76 * Following time intervals are used of adjusting SCSI device
77 * queue depths when there are driver resource error or Firmware
78 * resource error.
79 */
80 /* 1 Second */
81 #define QUEUE_RAMP_DOWN_INTERVAL (msecs_to_jiffies(1000 * 1))
82
83 /* Number of exchanges reserved for discovery to complete */
84 #define LPFC_DISC_IOCB_BUFF_COUNT 20
85
86 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
87 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
88
89 /* Error Attention event polling interval */
90 #define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
91
92 /* Define macros for 64 bit support */
93 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
94 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
95 #define getPaddr(high, low) ((dma_addr_t)( \
96 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
97 /* Provide maximum configuration definitions. */
98 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
99 #define FC_MAX_ADPTMSG 64
100
101 #define MAX_HBAEVT 32
102 #define MAX_HBAS_NO_RESET 16
103
104 /* Number of MSI-X vectors the driver uses */
105 #define LPFC_MSIX_VECTORS 2
106
107 /* lpfc wait event data ready flag */
108 #define LPFC_DATA_READY 0 /* bit 0 */
109
110 /* queue dump line buffer size */
111 #define LPFC_LBUF_SZ 128
112
113 /* mailbox system shutdown options */
114 #define LPFC_MBX_NO_WAIT 0
115 #define LPFC_MBX_WAIT 1
116
117 enum lpfc_polling_flags {
118 ENABLE_FCP_RING_POLLING = 0x1,
119 DISABLE_FCP_RING_INT = 0x2
120 };
121
122 struct perf_prof {
123 uint16_t cmd_cpu[40];
124 uint16_t rsp_cpu[40];
125 uint16_t qh_cpu[40];
126 uint16_t wqidx[40];
127 };
128
129 /*
130 * Provide for FC4 TYPE x28 - NVME. The
131 * bit mask for FCP and NVME is 0x8 identically
132 * because they are 32 bit positions distance.
133 */
134 #define LPFC_FC4_TYPE_BITMASK 0x00000100
135
136 /* Provide DMA memory definitions the driver uses per port instance. */
137 struct lpfc_dmabuf {
138 struct list_head list;
139 void *virt; /* virtual address ptr */
140 dma_addr_t phys; /* mapped address */
141 uint32_t buffer_tag; /* used for tagged queue ring */
142 };
143
144 struct lpfc_nvmet_ctxbuf {
145 struct list_head list;
146 struct lpfc_nvmet_rcv_ctx *context;
147 struct lpfc_iocbq *iocbq;
148 struct lpfc_sglq *sglq;
149 struct work_struct defer_work;
150 };
151
152 struct lpfc_dma_pool {
153 struct lpfc_dmabuf *elements;
154 uint32_t max_count;
155 uint32_t current_count;
156 };
157
158 struct hbq_dmabuf {
159 struct lpfc_dmabuf hbuf;
160 struct lpfc_dmabuf dbuf;
161 uint16_t total_size;
162 uint16_t bytes_recv;
163 uint32_t tag;
164 struct lpfc_cq_event cq_event;
165 unsigned long time_stamp;
166 void *context;
167 };
168
169 struct rqb_dmabuf {
170 struct lpfc_dmabuf hbuf;
171 struct lpfc_dmabuf dbuf;
172 uint16_t total_size;
173 uint16_t bytes_recv;
174 uint16_t idx;
175 struct lpfc_queue *hrq; /* ptr to associated Header RQ */
176 struct lpfc_queue *drq; /* ptr to associated Data RQ */
177 };
178
179 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
180 #define MEM_PRI 0x100
181
182
183 /****************************************************************************/
184 /* Device VPD save area */
185 /****************************************************************************/
186 typedef struct lpfc_vpd {
187 uint32_t status; /* vpd status value */
188 uint32_t length; /* number of bytes actually returned */
189 struct {
190 uint32_t rsvd1; /* Revision numbers */
191 uint32_t biuRev;
192 uint32_t smRev;
193 uint32_t smFwRev;
194 uint32_t endecRev;
195 uint16_t rBit;
196 uint8_t fcphHigh;
197 uint8_t fcphLow;
198 uint8_t feaLevelHigh;
199 uint8_t feaLevelLow;
200 uint32_t postKernRev;
201 uint32_t opFwRev;
202 uint8_t opFwName[16];
203 uint32_t sli1FwRev;
204 uint8_t sli1FwName[16];
205 uint32_t sli2FwRev;
206 uint8_t sli2FwName[16];
207 } rev;
208 struct {
209 #ifdef __BIG_ENDIAN_BITFIELD
210 uint32_t rsvd3 :19; /* Reserved */
211 uint32_t cdss : 1; /* Configure Data Security SLI */
212 uint32_t rsvd2 : 3; /* Reserved */
213 uint32_t cbg : 1; /* Configure BlockGuard */
214 uint32_t cmv : 1; /* Configure Max VPIs */
215 uint32_t ccrp : 1; /* Config Command Ring Polling */
216 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
217 uint32_t chbs : 1; /* Cofigure Host Backing store */
218 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
219 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
220 uint32_t cmx : 1; /* Configure Max XRIs */
221 uint32_t cmr : 1; /* Configure Max RPIs */
222 #else /* __LITTLE_ENDIAN */
223 uint32_t cmr : 1; /* Configure Max RPIs */
224 uint32_t cmx : 1; /* Configure Max XRIs */
225 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
226 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
227 uint32_t chbs : 1; /* Cofigure Host Backing store */
228 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
229 uint32_t ccrp : 1; /* Config Command Ring Polling */
230 uint32_t cmv : 1; /* Configure Max VPIs */
231 uint32_t cbg : 1; /* Configure BlockGuard */
232 uint32_t rsvd2 : 3; /* Reserved */
233 uint32_t cdss : 1; /* Configure Data Security SLI */
234 uint32_t rsvd3 :19; /* 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 elsRcvRPS;
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 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 enum discovery_state {
310 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
311 LPFC_VPORT_FAILED = 1, /* vport has failed */
312 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
313 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
314 LPFC_FDISC = 8, /* FDISC sent for vport */
315 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
316 * configured */
317 LPFC_NS_REG = 10, /* Register with NameServer */
318 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
319 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
320 * device authentication / discovery */
321 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
322 LPFC_VPORT_READY = 32,
323 };
324
325 enum hba_state {
326 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
327 LPFC_WARM_START = 1, /* HBA state after selective reset */
328 LPFC_INIT_START = 2, /* Initial state after board reset */
329 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
330 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
331 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
332 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
333 * CLEAR_LA */
334 LPFC_HBA_READY = 32,
335 LPFC_HBA_ERROR = -1
336 };
337
338 struct lpfc_trunk_link_state {
339 enum hba_state state;
340 uint8_t fault;
341 };
342
343 struct lpfc_trunk_link {
344 struct lpfc_trunk_link_state link0,
345 link1,
346 link2,
347 link3;
348 };
349
350 struct lpfc_vport {
351 struct lpfc_hba *phba;
352 struct list_head listentry;
353 uint8_t port_type;
354 #define LPFC_PHYSICAL_PORT 1
355 #define LPFC_NPIV_PORT 2
356 #define LPFC_FABRIC_PORT 3
357 enum discovery_state port_state;
358
359 uint16_t vpi;
360 uint16_t vfi;
361 uint8_t vpi_state;
362 #define LPFC_VPI_REGISTERED 0x1
363
364 uint32_t fc_flag; /* FC flags */
365 /* Several of these flags are HBA centric and should be moved to
366 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
367 */
368 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
369 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
370 #define FC_DISC_TMO 0x4 /* Discovery timer running */
371 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
372 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
373 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
374 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
375 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
376 #define FC_FABRIC 0x100 /* We are fabric attached */
377 #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
378 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
379 #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
380 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
381 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
382 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
383 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
384 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
385 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
386 #define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
387 #define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
388 #define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
389 #define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
390 #define FC_DISC_DELAYED 0x2000000/* Delay NPort discovery */
391
392 uint32_t ct_flags;
393 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
394 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
395 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
396 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
397 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
398
399 struct list_head fc_nodes;
400
401 /* Keep counters for the number of entries in each list. */
402 uint16_t fc_plogi_cnt;
403 uint16_t fc_adisc_cnt;
404 uint16_t fc_reglogin_cnt;
405 uint16_t fc_prli_cnt;
406 uint16_t fc_unmap_cnt;
407 uint16_t fc_map_cnt;
408 uint16_t fc_npr_cnt;
409 uint16_t fc_unused_cnt;
410 struct serv_parm fc_sparam; /* buffer for our service parameters */
411
412 uint32_t fc_myDID; /* fibre channel S_ID */
413 uint32_t fc_prevDID; /* previous fibre channel S_ID */
414 struct lpfc_name fabric_portname;
415 struct lpfc_name fabric_nodename;
416
417 int32_t stopped; /* HBA has not been restarted since last ERATT */
418 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
419
420 uint32_t num_disc_nodes; /* in addition to hba_state */
421 uint32_t gidft_inp; /* cnt of outstanding GID_FTs */
422
423 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
424 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
425 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
426 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
427 struct lpfc_name fc_nodename; /* fc nodename */
428 struct lpfc_name fc_portname; /* fc portname */
429
430 struct lpfc_work_evt disc_timeout_evt;
431
432 struct timer_list fc_disctmo; /* Discovery rescue timer */
433 uint8_t fc_ns_retry; /* retries for fabric nameserver */
434 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
435
436 spinlock_t work_port_lock;
437 uint32_t work_port_events; /* Timeout to be handled */
438 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
439 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
440 #define WORKER_DELAYED_DISC_TMO 0x8 /* vport: delayed discovery */
441
442 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
443 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
444 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
445 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
446 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
447 #define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
448
449 struct timer_list els_tmofunc;
450 struct timer_list delayed_disc_tmo;
451
452 int unreg_vpi_cmpl;
453
454 uint8_t load_flag;
455 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
456 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
457 #define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */
458 /* Vport Config Parameters */
459 uint32_t cfg_scan_down;
460 uint32_t cfg_lun_queue_depth;
461 uint32_t cfg_nodev_tmo;
462 uint32_t cfg_devloss_tmo;
463 uint32_t cfg_restrict_login;
464 uint32_t cfg_peer_port_login;
465 uint32_t cfg_fcp_class;
466 uint32_t cfg_use_adisc;
467 uint32_t cfg_discovery_threads;
468 uint32_t cfg_log_verbose;
469 uint32_t cfg_enable_fc4_type;
470 uint32_t cfg_max_luns;
471 uint32_t cfg_enable_da_id;
472 uint32_t cfg_max_scsicmpl_time;
473 uint32_t cfg_tgt_queue_depth;
474 uint32_t cfg_first_burst_size;
475 uint32_t dev_loss_tmo_changed;
476
477 struct fc_vport *fc_vport;
478
479 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
480 struct dentry *debug_disc_trc;
481 struct dentry *debug_nodelist;
482 struct dentry *debug_nvmestat;
483 struct dentry *debug_scsistat;
484 struct dentry *debug_nvmektime;
485 struct dentry *debug_cpucheck;
486 struct dentry *vport_debugfs_root;
487 struct lpfc_debugfs_trc *disc_trc;
488 atomic_t disc_trc_cnt;
489 #endif
490 uint8_t stat_data_enabled;
491 uint8_t stat_data_blocked;
492 struct list_head rcv_buffer_list;
493 unsigned long rcv_buffer_time_stamp;
494 uint32_t vport_flag;
495 #define STATIC_VPORT 1
496 #define FAWWPN_SET 2
497 #define FAWWPN_PARAM_CHG 4
498
499 uint16_t fdmi_num_disc;
500 uint32_t fdmi_hba_mask;
501 uint32_t fdmi_port_mask;
502
503 /* There is a single nvme instance per vport. */
504 struct nvme_fc_local_port *localport;
505 uint8_t nvmei_support; /* driver supports NVME Initiator */
506 uint32_t last_fcp_wqidx;
507 uint32_t rcv_flogi_cnt; /* How many unsol FLOGIs ACK'd. */
508 };
509
510 struct hbq_s {
511 uint16_t entry_count; /* Current number of HBQ slots */
512 uint16_t buffer_count; /* Current number of buffers posted */
513 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
514 uint32_t hbqPutIdx; /* HBQ slot to use */
515 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
516 void *hbq_virt; /* Virtual ptr to this hbq */
517 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
518 /* Callback for HBQ buffer allocation */
519 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
520 /* Callback for HBQ buffer free */
521 void (*hbq_free_buffer) (struct lpfc_hba *,
522 struct hbq_dmabuf *);
523 };
524
525 /* this matches the position in the lpfc_hbq_defs array */
526 #define LPFC_ELS_HBQ 0
527 #define LPFC_MAX_HBQS 1
528
529 enum hba_temp_state {
530 HBA_NORMAL_TEMP,
531 HBA_OVER_TEMP
532 };
533
534 enum intr_type_t {
535 NONE = 0,
536 INTx,
537 MSI,
538 MSIX,
539 };
540
541 #define LPFC_CT_CTX_MAX 64
542 struct unsol_rcv_ct_ctx {
543 uint32_t ctxt_id;
544 uint32_t SID;
545 uint32_t valid;
546 #define UNSOL_INVALID 0
547 #define UNSOL_VALID 1
548 uint16_t oxid;
549 uint16_t rxid;
550 };
551
552 #define LPFC_USER_LINK_SPEED_AUTO 0 /* auto select (default)*/
553 #define LPFC_USER_LINK_SPEED_1G 1 /* 1 Gigabaud */
554 #define LPFC_USER_LINK_SPEED_2G 2 /* 2 Gigabaud */
555 #define LPFC_USER_LINK_SPEED_4G 4 /* 4 Gigabaud */
556 #define LPFC_USER_LINK_SPEED_8G 8 /* 8 Gigabaud */
557 #define LPFC_USER_LINK_SPEED_10G 10 /* 10 Gigabaud */
558 #define LPFC_USER_LINK_SPEED_16G 16 /* 16 Gigabaud */
559 #define LPFC_USER_LINK_SPEED_32G 32 /* 32 Gigabaud */
560 #define LPFC_USER_LINK_SPEED_64G 64 /* 64 Gigabaud */
561 #define LPFC_USER_LINK_SPEED_MAX LPFC_USER_LINK_SPEED_64G
562
563 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8, 10, 16, 32, 64"
564
565 enum nemb_type {
566 nemb_mse = 1,
567 nemb_hbd
568 };
569
570 enum mbox_type {
571 mbox_rd = 1,
572 mbox_wr
573 };
574
575 enum dma_type {
576 dma_mbox = 1,
577 dma_ebuf
578 };
579
580 enum sta_type {
581 sta_pre_addr = 1,
582 sta_pos_addr
583 };
584
585 struct lpfc_mbox_ext_buf_ctx {
586 uint32_t state;
587 #define LPFC_BSG_MBOX_IDLE 0
588 #define LPFC_BSG_MBOX_HOST 1
589 #define LPFC_BSG_MBOX_PORT 2
590 #define LPFC_BSG_MBOX_DONE 3
591 #define LPFC_BSG_MBOX_ABTS 4
592 enum nemb_type nembType;
593 enum mbox_type mboxType;
594 uint32_t numBuf;
595 uint32_t mbxTag;
596 uint32_t seqNum;
597 struct lpfc_dmabuf *mbx_dmabuf;
598 struct list_head ext_dmabuf_list;
599 };
600
601 struct lpfc_epd_pool {
602 /* Expedite pool */
603 struct list_head list;
604 u32 count;
605 spinlock_t lock; /* lock for expedite pool */
606 };
607
608 struct lpfc_ras_fwlog {
609 uint8_t *fwlog_buff;
610 uint32_t fw_buffcount; /* Buffer size posted to FW */
611 #define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */
612 #define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024)
613 #define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024)
614 #define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024)
615 uint32_t fw_loglevel; /* Log level set */
616 struct lpfc_dmabuf lwpd;
617 struct list_head fwlog_buff_list;
618
619 /* RAS support status on adapter */
620 bool ras_hwsupport; /* RAS Support available on HW or not */
621 bool ras_enabled; /* Ras Enabled for the function */
622 #define LPFC_RAS_DISABLE_LOGGING 0x00
623 #define LPFC_RAS_ENABLE_LOGGING 0x01
624 bool ras_active; /* RAS logging running state */
625 };
626
627 struct lpfc_hba {
628 /* SCSI interface function jump table entries */
629 struct lpfc_io_buf * (*lpfc_get_scsi_buf)
630 (struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
631 struct scsi_cmnd *cmnd);
632 int (*lpfc_scsi_prep_dma_buf)
633 (struct lpfc_hba *, struct lpfc_io_buf *);
634 void (*lpfc_scsi_unprep_dma_buf)
635 (struct lpfc_hba *, struct lpfc_io_buf *);
636 void (*lpfc_release_scsi_buf)
637 (struct lpfc_hba *, struct lpfc_io_buf *);
638 void (*lpfc_rampdown_queue_depth)
639 (struct lpfc_hba *);
640 void (*lpfc_scsi_prep_cmnd)
641 (struct lpfc_vport *, struct lpfc_io_buf *,
642 struct lpfc_nodelist *);
643
644 /* IOCB interface function jump table entries */
645 int (*__lpfc_sli_issue_iocb)
646 (struct lpfc_hba *, uint32_t,
647 struct lpfc_iocbq *, uint32_t);
648 void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *,
649 struct lpfc_iocbq *);
650 int (*lpfc_hba_down_post)(struct lpfc_hba *phba);
651 IOCB_t * (*lpfc_get_iocb_from_iocbq)
652 (struct lpfc_iocbq *);
653 void (*lpfc_scsi_cmd_iocb_cmpl)
654 (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *);
655
656 /* MBOX interface function jump table entries */
657 int (*lpfc_sli_issue_mbox)
658 (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
659
660 /* Slow-path IOCB process function jump table entries */
661 void (*lpfc_sli_handle_slow_ring_event)
662 (struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
663 uint32_t mask);
664
665 /* INIT device interface function jump table entries */
666 int (*lpfc_sli_hbq_to_firmware)
667 (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *);
668 int (*lpfc_sli_brdrestart)
669 (struct lpfc_hba *);
670 int (*lpfc_sli_brdready)
671 (struct lpfc_hba *, uint32_t);
672 void (*lpfc_handle_eratt)
673 (struct lpfc_hba *);
674 void (*lpfc_stop_port)
675 (struct lpfc_hba *);
676 int (*lpfc_hba_init_link)
677 (struct lpfc_hba *, uint32_t);
678 int (*lpfc_hba_down_link)
679 (struct lpfc_hba *, uint32_t);
680 int (*lpfc_selective_reset)
681 (struct lpfc_hba *);
682
683 int (*lpfc_bg_scsi_prep_dma_buf)
684 (struct lpfc_hba *, struct lpfc_io_buf *);
685 /* Add new entries here */
686
687 /* expedite pool */
688 struct lpfc_epd_pool epd_pool;
689
690 /* SLI4 specific HBA data structure */
691 struct lpfc_sli4_hba sli4_hba;
692
693 struct workqueue_struct *wq;
694 struct delayed_work eq_delay_work;
695
696 struct lpfc_sli sli;
697 uint8_t pci_dev_grp; /* lpfc PCI dev group: 0x0, 0x1, 0x2,... */
698 uint32_t sli_rev; /* SLI2, SLI3, or SLI4 */
699 uint32_t sli3_options; /* Mask of enabled SLI3 options */
700 #define LPFC_SLI3_HBQ_ENABLED 0x01
701 #define LPFC_SLI3_NPIV_ENABLED 0x02
702 #define LPFC_SLI3_VPORT_TEARDOWN 0x04
703 #define LPFC_SLI3_CRP_ENABLED 0x08
704 #define LPFC_SLI3_BG_ENABLED 0x20
705 #define LPFC_SLI3_DSS_ENABLED 0x40
706 #define LPFC_SLI4_PERFH_ENABLED 0x80
707 #define LPFC_SLI4_PHWQ_ENABLED 0x100
708 uint32_t iocb_cmd_size;
709 uint32_t iocb_rsp_size;
710
711 struct lpfc_trunk_link trunk_link;
712 enum hba_state link_state;
713 uint32_t link_flag; /* link state flags */
714 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
715 /* This flag is set while issuing */
716 /* INIT_LINK mailbox command */
717 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
718 #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
719 #define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */
720 #define LS_MDS_LOOPBACK 0x10 /* MDS Diagnostics Link Up (Loopback) */
721
722 uint32_t hba_flag; /* hba generic flags */
723 #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
724 #define DEFER_ERATT 0x2 /* Deferred error attention in progress */
725 #define HBA_FCOE_MODE 0x4 /* HBA function in FCoE Mode */
726 #define HBA_SP_QUEUE_EVT 0x8 /* Slow-path qevt posted to worker thread*/
727 #define HBA_POST_RECEIVE_BUFFER 0x10 /* Rcv buffers need to be posted */
728 #define ELS_XRI_ABORT_EVENT 0x40
729 #define ASYNC_EVENT 0x80
730 #define LINK_DISABLED 0x100 /* Link disabled by user */
731 #define FCF_TS_INPROG 0x200 /* FCF table scan in progress */
732 #define FCF_RR_INPROG 0x400 /* FCF roundrobin flogi in progress */
733 #define HBA_FIP_SUPPORT 0x800 /* FIP support in HBA */
734 #define HBA_AER_ENABLED 0x1000 /* AER enabled with HBA */
735 #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */
736 #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */
737 #define HBA_IOQ_FLUSH 0x8000 /* FCP/NVME I/O queues being flushed */
738 #define HBA_FW_DUMP_OP 0x10000 /* Skips fn reset before FW dump */
739 #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */
740 #define HBA_FORCED_LINK_SPEED 0x40000 /*
741 * Firmware supports Forced Link Speed
742 * capability
743 */
744 #define HBA_FLOGI_ISSUED 0x100000 /* FLOGI was issued */
745
746 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
747 struct lpfc_dmabuf slim2p;
748
749 MAILBOX_t *mbox;
750 uint32_t *mbox_ext;
751 struct lpfc_mbox_ext_buf_ctx mbox_ext_buf_ctx;
752 uint32_t ha_copy;
753 struct _PCB *pcb;
754 struct _IOCB *IOCBs;
755
756 struct lpfc_dmabuf hbqslimp;
757
758 uint16_t pci_cfg_value;
759
760 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
761
762 uint32_t fc_eventTag; /* event tag for link attention */
763 uint32_t link_events;
764
765 /* These fields used to be binfo */
766 uint32_t fc_pref_DID; /* preferred D_ID */
767 uint8_t fc_pref_ALPA; /* preferred AL_PA */
768 uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
769 uint32_t fc_edtov; /* E_D_TOV timer value */
770 uint32_t fc_arbtov; /* ARB_TOV timer value */
771 uint32_t fc_ratov; /* R_A_TOV timer value */
772 uint32_t fc_rttov; /* R_T_TOV timer value */
773 uint32_t fc_altov; /* AL_TOV timer value */
774 uint32_t fc_crtov; /* C_R_TOV timer value */
775
776 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
777 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
778
779 uint32_t lmt;
780
781 uint32_t fc_topology; /* link topology, from LINK INIT */
782 uint32_t fc_topology_changed; /* link topology, from LINK INIT */
783
784 struct lpfc_stats fc_stat;
785
786 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
787 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
788
789 uint8_t wwnn[8];
790 uint8_t wwpn[8];
791 uint32_t RandomData[7];
792 uint8_t fcp_embed_io;
793 uint8_t nvme_support; /* Firmware supports NVME */
794 uint8_t nvmet_support; /* driver supports NVMET */
795 #define LPFC_NVMET_MAX_PORTS 32
796 uint8_t mds_diags_support;
797 uint8_t bbcredit_support;
798 uint8_t enab_exp_wqcq_pages;
799 u8 nsler; /* Firmware supports FC-NVMe-2 SLER */
800
801 /* HBA Config Parameters */
802 uint32_t cfg_ack0;
803 uint32_t cfg_xri_rebalancing;
804 uint32_t cfg_xpsgl;
805 uint32_t cfg_enable_npiv;
806 uint32_t cfg_enable_rrq;
807 uint32_t cfg_topology;
808 uint32_t cfg_link_speed;
809 #define LPFC_FCF_FOV 1 /* Fast fcf failover */
810 #define LPFC_FCF_PRIORITY 2 /* Priority fcf failover */
811 uint32_t cfg_fcf_failover_policy;
812 uint32_t cfg_fcp_io_sched;
813 uint32_t cfg_ns_query;
814 uint32_t cfg_fcp2_no_tgt_reset;
815 uint32_t cfg_cr_delay;
816 uint32_t cfg_cr_count;
817 uint32_t cfg_multi_ring_support;
818 uint32_t cfg_multi_ring_rctl;
819 uint32_t cfg_multi_ring_type;
820 uint32_t cfg_poll;
821 uint32_t cfg_poll_tmo;
822 uint32_t cfg_task_mgmt_tmo;
823 uint32_t cfg_use_msi;
824 uint32_t cfg_auto_imax;
825 uint32_t cfg_fcp_imax;
826 uint32_t cfg_force_rscn;
827 uint32_t cfg_cq_poll_threshold;
828 uint32_t cfg_cq_max_proc_limit;
829 uint32_t cfg_fcp_cpu_map;
830 uint32_t cfg_fcp_mq_threshold;
831 uint32_t cfg_hdw_queue;
832 uint32_t cfg_irq_chann;
833 uint32_t cfg_suppress_rsp;
834 uint32_t cfg_nvme_oas;
835 uint32_t cfg_nvme_embed_cmd;
836 uint32_t cfg_nvmet_mrq_post;
837 uint32_t cfg_nvmet_mrq;
838 uint32_t cfg_enable_nvmet;
839 uint32_t cfg_nvme_enable_fb;
840 uint32_t cfg_nvmet_fb_size;
841 uint32_t cfg_total_seg_cnt;
842 uint32_t cfg_sg_seg_cnt;
843 uint32_t cfg_nvme_seg_cnt;
844 uint32_t cfg_scsi_seg_cnt;
845 uint32_t cfg_sg_dma_buf_size;
846 uint64_t cfg_soft_wwnn;
847 uint64_t cfg_soft_wwpn;
848 uint32_t cfg_hba_queue_depth;
849 uint32_t cfg_enable_hba_reset;
850 uint32_t cfg_enable_hba_heartbeat;
851 uint32_t cfg_fof;
852 uint32_t cfg_EnableXLane;
853 uint8_t cfg_oas_tgt_wwpn[8];
854 uint8_t cfg_oas_vpt_wwpn[8];
855 uint32_t cfg_oas_lun_state;
856 #define OAS_LUN_ENABLE 1
857 #define OAS_LUN_DISABLE 0
858 uint32_t cfg_oas_lun_status;
859 #define OAS_LUN_STATUS_EXISTS 0x01
860 uint32_t cfg_oas_flags;
861 #define OAS_FIND_ANY_VPORT 0x01
862 #define OAS_FIND_ANY_TARGET 0x02
863 #define OAS_LUN_VALID 0x04
864 uint32_t cfg_oas_priority;
865 uint32_t cfg_XLanePriority;
866 uint32_t cfg_enable_bg;
867 uint32_t cfg_prot_mask;
868 uint32_t cfg_prot_guard;
869 uint32_t cfg_hostmem_hgp;
870 uint32_t cfg_log_verbose;
871 uint32_t cfg_enable_fc4_type;
872 uint32_t cfg_aer_support;
873 uint32_t cfg_sriov_nr_virtfn;
874 uint32_t cfg_request_firmware_upgrade;
875 uint32_t cfg_iocb_cnt;
876 uint32_t cfg_suppress_link_up;
877 uint32_t cfg_rrq_xri_bitmap_sz;
878 uint32_t cfg_delay_discovery;
879 uint32_t cfg_sli_mode;
880 #define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */
881 #define LPFC_DELAY_INIT_LINK 1 /* layered driver hold off */
882 #define LPFC_DELAY_INIT_LINK_INDEFINITELY 2 /* wait, manual intervention */
883 uint32_t cfg_enable_dss;
884 uint32_t cfg_fdmi_on;
885 #define LPFC_FDMI_NO_SUPPORT 0 /* FDMI not supported */
886 #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */
887 uint32_t cfg_enable_SmartSAN;
888 uint32_t cfg_enable_mds_diags;
889 uint32_t cfg_ras_fwlog_level;
890 uint32_t cfg_ras_fwlog_buffsize;
891 uint32_t cfg_ras_fwlog_func;
892 uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */
893 uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */
894 #define LPFC_ENABLE_FCP 1
895 #define LPFC_ENABLE_NVME 2
896 #define LPFC_ENABLE_BOTH 3
897 uint32_t cfg_enable_pbde;
898 struct nvmet_fc_target_port *targetport;
899 lpfc_vpd_t vpd; /* vital product data */
900
901 struct pci_dev *pcidev;
902 struct list_head work_list;
903 uint32_t work_ha; /* Host Attention Bits for WT */
904 uint32_t work_ha_mask; /* HA Bits owned by WT */
905 uint32_t work_hs; /* HS stored in case of ERRAT */
906 uint32_t work_status[2]; /* Extra status from SLIM */
907
908 wait_queue_head_t work_waitq;
909 struct task_struct *worker_thread;
910 unsigned long data_flags;
911 uint32_t border_sge_num;
912
913 uint32_t hbq_in_use; /* HBQs in use flag */
914 uint32_t hbq_count; /* Count of configured HBQs */
915 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
916
917 atomic_t fcp_qidx; /* next FCP WQ (RR Policy) */
918 atomic_t nvme_qidx; /* next NVME WQ (RR Policy) */
919
920 phys_addr_t pci_bar0_map; /* Physical address for PCI BAR0 */
921 phys_addr_t pci_bar1_map; /* Physical address for PCI BAR1 */
922 phys_addr_t pci_bar2_map; /* Physical address for PCI BAR2 */
923 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
924 PCI BAR0 */
925 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
926 PCI BAR2 */
927
928 void __iomem *pci_bar0_memmap_p; /* Kernel memory mapped address for
929 PCI BAR0 with dual-ULP support */
930 void __iomem *pci_bar2_memmap_p; /* Kernel memory mapped address for
931 PCI BAR2 with dual-ULP support */
932 void __iomem *pci_bar4_memmap_p; /* Kernel memory mapped address for
933 PCI BAR4 with dual-ULP support */
934 #define PCI_64BIT_BAR0 0
935 #define PCI_64BIT_BAR2 2
936 #define PCI_64BIT_BAR4 4
937 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
938 void __iomem *HAregaddr; /* virtual address for host attn reg */
939 void __iomem *CAregaddr; /* virtual address for chip attn reg */
940 void __iomem *HSregaddr; /* virtual address for host status
941 reg */
942 void __iomem *HCregaddr; /* virtual address for host ctl reg */
943
944 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
945 struct lpfc_pgp *port_gp;
946 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
947 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
948
949 int brd_no; /* FC board number */
950 char SerialNumber[32]; /* adapter Serial Number */
951 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
952 char BIOSVersion[16]; /* Boot BIOS version */
953 char ModelDesc[256]; /* Model Description */
954 char ModelName[80]; /* Model Name */
955 char ProgramType[256]; /* Program Type */
956 char Port[20]; /* Port No */
957 uint8_t vpd_flag; /* VPD data flag */
958
959 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
960 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
961 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
962 #define VPD_PORT 0x8 /* valid vpd port data */
963 #define VPD_MASK 0xf /* mask for any vpd data */
964
965 uint8_t soft_wwn_enable;
966
967 struct timer_list fcp_poll_timer;
968 struct timer_list eratt_poll;
969 uint32_t eratt_poll_interval;
970
971 uint64_t bg_guard_err_cnt;
972 uint64_t bg_apptag_err_cnt;
973 uint64_t bg_reftag_err_cnt;
974
975 /* fastpath list. */
976 spinlock_t scsi_buf_list_get_lock; /* SCSI buf alloc list lock */
977 spinlock_t scsi_buf_list_put_lock; /* SCSI buf free list lock */
978 struct list_head lpfc_scsi_buf_list_get;
979 struct list_head lpfc_scsi_buf_list_put;
980 uint32_t total_scsi_bufs;
981 struct list_head lpfc_iocb_list;
982 uint32_t total_iocbq_bufs;
983 struct list_head active_rrq_list;
984 spinlock_t hbalock;
985
986 /* dma_mem_pools */
987 struct dma_pool *lpfc_sg_dma_buf_pool;
988 struct dma_pool *lpfc_mbuf_pool;
989 struct dma_pool *lpfc_hrb_pool; /* header receive buffer pool */
990 struct dma_pool *lpfc_drb_pool; /* data receive buffer pool */
991 struct dma_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */
992 struct dma_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */
993 struct dma_pool *txrdy_payload_pool;
994 struct dma_pool *lpfc_cmd_rsp_buf_pool;
995 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
996
997 mempool_t *mbox_mem_pool;
998 mempool_t *nlp_mem_pool;
999 mempool_t *rrq_pool;
1000 mempool_t *active_rrq_pool;
1001
1002 struct fc_host_statistics link_stats;
1003 enum intr_type_t intr_type;
1004 uint32_t intr_mode;
1005 #define LPFC_INTR_ERROR 0xFFFFFFFF
1006 struct list_head port_list;
1007 spinlock_t port_list_lock; /* lock for port_list mutations */
1008 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
1009 uint16_t max_vpi; /* Maximum virtual nports */
1010 #define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */
1011 #define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */
1012 uint16_t max_vports; /*
1013 * For IOV HBAs max_vpi can change
1014 * after a reset. max_vports is max
1015 * number of vports present. This can
1016 * be greater than max_vpi.
1017 */
1018 uint16_t vpi_base;
1019 uint16_t vfi_base;
1020 unsigned long *vpi_bmask; /* vpi allocation table */
1021 uint16_t *vpi_ids;
1022 uint16_t vpi_count;
1023 struct list_head lpfc_vpi_blk_list;
1024
1025 /* Data structure used by fabric iocb scheduler */
1026 struct list_head fabric_iocb_list;
1027 atomic_t fabric_iocb_count;
1028 struct timer_list fabric_block_timer;
1029 unsigned long bit_flags;
1030 #define FABRIC_COMANDS_BLOCKED 0
1031 atomic_t num_rsrc_err;
1032 atomic_t num_cmd_success;
1033 unsigned long last_rsrc_error_time;
1034 unsigned long last_ramp_down_time;
1035 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1036 struct dentry *hba_debugfs_root;
1037 atomic_t debugfs_vport_count;
1038 struct dentry *debug_multixri_pools;
1039 struct dentry *debug_hbqinfo;
1040 struct dentry *debug_dumpHostSlim;
1041 struct dentry *debug_dumpHBASlim;
1042 struct dentry *debug_InjErrLBA; /* LBA to inject errors at */
1043 struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */
1044 struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */
1045 struct dentry *debug_writeGuard; /* inject write guard_tag errors */
1046 struct dentry *debug_writeApp; /* inject write app_tag errors */
1047 struct dentry *debug_writeRef; /* inject write ref_tag errors */
1048 struct dentry *debug_readGuard; /* inject read guard_tag errors */
1049 struct dentry *debug_readApp; /* inject read app_tag errors */
1050 struct dentry *debug_readRef; /* inject read ref_tag errors */
1051
1052 struct dentry *debug_nvmeio_trc;
1053 struct lpfc_debugfs_nvmeio_trc *nvmeio_trc;
1054 struct dentry *debug_hdwqinfo;
1055 #ifdef LPFC_HDWQ_LOCK_STAT
1056 struct dentry *debug_lockstat;
1057 #endif
1058 atomic_t nvmeio_trc_cnt;
1059 uint32_t nvmeio_trc_size;
1060 uint32_t nvmeio_trc_output_idx;
1061
1062 /* T10 DIF error injection */
1063 uint32_t lpfc_injerr_wgrd_cnt;
1064 uint32_t lpfc_injerr_wapp_cnt;
1065 uint32_t lpfc_injerr_wref_cnt;
1066 uint32_t lpfc_injerr_rgrd_cnt;
1067 uint32_t lpfc_injerr_rapp_cnt;
1068 uint32_t lpfc_injerr_rref_cnt;
1069 uint32_t lpfc_injerr_nportid;
1070 struct lpfc_name lpfc_injerr_wwpn;
1071 sector_t lpfc_injerr_lba;
1072 #define LPFC_INJERR_LBA_OFF (sector_t)(-1)
1073
1074 struct dentry *debug_slow_ring_trc;
1075 struct lpfc_debugfs_trc *slow_ring_trc;
1076 atomic_t slow_ring_trc_cnt;
1077 /* iDiag debugfs sub-directory */
1078 struct dentry *idiag_root;
1079 struct dentry *idiag_pci_cfg;
1080 struct dentry *idiag_bar_acc;
1081 struct dentry *idiag_que_info;
1082 struct dentry *idiag_que_acc;
1083 struct dentry *idiag_drb_acc;
1084 struct dentry *idiag_ctl_acc;
1085 struct dentry *idiag_mbx_acc;
1086 struct dentry *idiag_ext_acc;
1087 uint8_t lpfc_idiag_last_eq;
1088 #endif
1089 uint16_t nvmeio_trc_on;
1090
1091 /* Used for deferred freeing of ELS data buffers */
1092 struct list_head elsbuf;
1093 int elsbuf_cnt;
1094 int elsbuf_prev_cnt;
1095
1096 uint8_t temp_sensor_support;
1097 /* Fields used for heart beat. */
1098 unsigned long last_completion_time;
1099 unsigned long skipped_hb;
1100 struct timer_list hb_tmofunc;
1101 uint8_t hb_outstanding;
1102 struct timer_list rrq_tmr;
1103 enum hba_temp_state over_temp_state;
1104 /* ndlp reference management */
1105 spinlock_t ndlp_lock;
1106 /*
1107 * Following bit will be set for all buffer tags which are not
1108 * associated with any HBQ.
1109 */
1110 #define QUE_BUFTAG_BIT (1<<31)
1111 uint32_t buffer_tag_count;
1112 int wait_4_mlo_maint_flg;
1113 wait_queue_head_t wait_4_mlo_m_q;
1114 /* data structure used for latency data collection */
1115 #define LPFC_NO_BUCKET 0
1116 #define LPFC_LINEAR_BUCKET 1
1117 #define LPFC_POWER2_BUCKET 2
1118 uint8_t bucket_type;
1119 uint32_t bucket_base;
1120 uint32_t bucket_step;
1121
1122 /* Maximum number of events that can be outstanding at any time*/
1123 #define LPFC_MAX_EVT_COUNT 512
1124 atomic_t fast_event_count;
1125 uint32_t fcoe_eventtag;
1126 uint32_t fcoe_eventtag_at_fcf_scan;
1127 uint32_t fcoe_cvl_eventtag;
1128 uint32_t fcoe_cvl_eventtag_attn;
1129 struct lpfc_fcf fcf;
1130 uint8_t fc_map[3];
1131 uint8_t valid_vlan;
1132 uint16_t vlan_id;
1133 struct list_head fcf_conn_rec_list;
1134
1135 bool defer_flogi_acc_flag;
1136 uint16_t defer_flogi_acc_rx_id;
1137 uint16_t defer_flogi_acc_ox_id;
1138
1139 spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
1140 struct list_head ct_ev_waiters;
1141 struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
1142 uint32_t ctx_idx;
1143
1144 /* RAS Support */
1145 struct lpfc_ras_fwlog ras_fwlog;
1146
1147 uint8_t menlo_flag; /* menlo generic flags */
1148 #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
1149 uint32_t iocb_cnt;
1150 uint32_t iocb_max;
1151 atomic_t sdev_cnt;
1152 uint8_t fips_spec_rev;
1153 uint8_t fips_level;
1154 spinlock_t devicelock; /* lock for luns list */
1155 mempool_t *device_data_mem_pool;
1156 struct list_head luns;
1157 #define LPFC_TRANSGRESSION_HIGH_TEMPERATURE 0x0080
1158 #define LPFC_TRANSGRESSION_LOW_TEMPERATURE 0x0040
1159 #define LPFC_TRANSGRESSION_HIGH_VOLTAGE 0x0020
1160 #define LPFC_TRANSGRESSION_LOW_VOLTAGE 0x0010
1161 #define LPFC_TRANSGRESSION_HIGH_TXBIAS 0x0008
1162 #define LPFC_TRANSGRESSION_LOW_TXBIAS 0x0004
1163 #define LPFC_TRANSGRESSION_HIGH_TXPOWER 0x0002
1164 #define LPFC_TRANSGRESSION_LOW_TXPOWER 0x0001
1165 #define LPFC_TRANSGRESSION_HIGH_RXPOWER 0x8000
1166 #define LPFC_TRANSGRESSION_LOW_RXPOWER 0x4000
1167 uint16_t sfp_alarm;
1168 uint16_t sfp_warning;
1169
1170 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
1171 uint16_t cpucheck_on;
1172 #define LPFC_CHECK_OFF 0
1173 #define LPFC_CHECK_NVME_IO 1
1174 #define LPFC_CHECK_NVMET_RCV 2
1175 #define LPFC_CHECK_NVMET_IO 4
1176 #define LPFC_CHECK_SCSI_IO 8
1177 uint16_t ktime_on;
1178 uint64_t ktime_data_samples;
1179 uint64_t ktime_status_samples;
1180 uint64_t ktime_last_cmd;
1181 uint64_t ktime_seg1_total;
1182 uint64_t ktime_seg1_min;
1183 uint64_t ktime_seg1_max;
1184 uint64_t ktime_seg2_total;
1185 uint64_t ktime_seg2_min;
1186 uint64_t ktime_seg2_max;
1187 uint64_t ktime_seg3_total;
1188 uint64_t ktime_seg3_min;
1189 uint64_t ktime_seg3_max;
1190 uint64_t ktime_seg4_total;
1191 uint64_t ktime_seg4_min;
1192 uint64_t ktime_seg4_max;
1193 uint64_t ktime_seg5_total;
1194 uint64_t ktime_seg5_min;
1195 uint64_t ktime_seg5_max;
1196 uint64_t ktime_seg6_total;
1197 uint64_t ktime_seg6_min;
1198 uint64_t ktime_seg6_max;
1199 uint64_t ktime_seg7_total;
1200 uint64_t ktime_seg7_min;
1201 uint64_t ktime_seg7_max;
1202 uint64_t ktime_seg8_total;
1203 uint64_t ktime_seg8_min;
1204 uint64_t ktime_seg8_max;
1205 uint64_t ktime_seg9_total;
1206 uint64_t ktime_seg9_min;
1207 uint64_t ktime_seg9_max;
1208 uint64_t ktime_seg10_total;
1209 uint64_t ktime_seg10_min;
1210 uint64_t ktime_seg10_max;
1211 #endif
1212 };
1213
1214 static inline struct Scsi_Host *
lpfc_shost_from_vport(struct lpfc_vport * vport)1215 lpfc_shost_from_vport(struct lpfc_vport *vport)
1216 {
1217 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
1218 }
1219
1220 static inline void
lpfc_set_loopback_flag(struct lpfc_hba * phba)1221 lpfc_set_loopback_flag(struct lpfc_hba *phba)
1222 {
1223 if (phba->cfg_topology == FLAGS_LOCAL_LB)
1224 phba->link_flag |= LS_LOOPBACK_MODE;
1225 else
1226 phba->link_flag &= ~LS_LOOPBACK_MODE;
1227 }
1228
1229 static inline int
lpfc_is_link_up(struct lpfc_hba * phba)1230 lpfc_is_link_up(struct lpfc_hba *phba)
1231 {
1232 return phba->link_state == LPFC_LINK_UP ||
1233 phba->link_state == LPFC_CLEAR_LA ||
1234 phba->link_state == LPFC_HBA_READY;
1235 }
1236
1237 static inline void
lpfc_worker_wake_up(struct lpfc_hba * phba)1238 lpfc_worker_wake_up(struct lpfc_hba *phba)
1239 {
1240 /* Set the lpfc data pending flag */
1241 set_bit(LPFC_DATA_READY, &phba->data_flags);
1242
1243 /* Wake up worker thread */
1244 wake_up(&phba->work_waitq);
1245 return;
1246 }
1247
1248 static inline int
lpfc_readl(void __iomem * addr,uint32_t * data)1249 lpfc_readl(void __iomem *addr, uint32_t *data)
1250 {
1251 uint32_t temp;
1252 temp = readl(addr);
1253 if (temp == 0xffffffff)
1254 return -EIO;
1255 *data = temp;
1256 return 0;
1257 }
1258
1259 static inline int
lpfc_sli_read_hs(struct lpfc_hba * phba)1260 lpfc_sli_read_hs(struct lpfc_hba *phba)
1261 {
1262 /*
1263 * There was a link/board error. Read the status register to retrieve
1264 * the error event and process it.
1265 */
1266 phba->sli.slistat.err_attn_event++;
1267
1268 /* Save status info and check for unplug error */
1269 if (lpfc_readl(phba->HSregaddr, &phba->work_hs) ||
1270 lpfc_readl(phba->MBslimaddr + 0xa8, &phba->work_status[0]) ||
1271 lpfc_readl(phba->MBslimaddr + 0xac, &phba->work_status[1])) {
1272 return -EIO;
1273 }
1274
1275 /* Clear chip Host Attention error bit */
1276 writel(HA_ERATT, phba->HAregaddr);
1277 readl(phba->HAregaddr); /* flush */
1278 phba->pport->stopped = 1;
1279
1280 return 0;
1281 }
1282
1283 static inline struct lpfc_sli_ring *
lpfc_phba_elsring(struct lpfc_hba * phba)1284 lpfc_phba_elsring(struct lpfc_hba *phba)
1285 {
1286 /* Return NULL if sli_rev has become invalid due to bad fw */
1287 if (phba->sli_rev != LPFC_SLI_REV4 &&
1288 phba->sli_rev != LPFC_SLI_REV3 &&
1289 phba->sli_rev != LPFC_SLI_REV2)
1290 return NULL;
1291
1292 if (phba->sli_rev == LPFC_SLI_REV4) {
1293 if (phba->sli4_hba.els_wq)
1294 return phba->sli4_hba.els_wq->pring;
1295 else
1296 return NULL;
1297 }
1298 return &phba->sli.sli3_ring[LPFC_ELS_RING];
1299 }
1300
1301 /**
1302 * lpfc_sli4_mod_hba_eq_delay - update EQ delay
1303 * @phba: Pointer to HBA context object.
1304 * @q: The Event Queue to update.
1305 * @delay: The delay value (in us) to be written.
1306 *
1307 **/
1308 static inline void
lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba * phba,struct lpfc_queue * eq,u32 delay)1309 lpfc_sli4_mod_hba_eq_delay(struct lpfc_hba *phba, struct lpfc_queue *eq,
1310 u32 delay)
1311 {
1312 struct lpfc_register reg_data;
1313
1314 reg_data.word0 = 0;
1315 bf_set(lpfc_sliport_eqdelay_id, ®_data, eq->queue_id);
1316 bf_set(lpfc_sliport_eqdelay_delay, ®_data, delay);
1317 writel(reg_data.word0, phba->sli4_hba.u.if_type2.EQDregaddr);
1318 eq->q_mode = delay;
1319 }
1320
