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[SCSI] lpfc 8.3.0 : Fix multiple NPIV issues
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc.h
CommitLineData
dea3101e 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173 3 * Fibre Channel Host Bus Adapters. *
1b32f6aa 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
c44ce173 5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
dea3101e 20 *******************************************************************/
21
2e0fef85
JS		 22#include <scsi/scsi_host.h>
23
dea3101e 24struct lpfc_sli2_slim;
25
97eab634 26#define LPFC_MAX_TARGET 4096 /* max number of targets supported */
e17da18e
JS		 27#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
28 requests */
29#define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact
30 the NameServer before giving up. */
445cf4f4 31#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
83108bd3
JS		 32#define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
33#define LPFC_MAX_SG_SEG_CNT 256 /* sg element count per scsi cmnd */
dea3101e 34#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
445cf4f4 35#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
495a714c 36#define LPFC_VNAME_LEN 100 /* vport symbolic name length */
977b5a0a
JS		 37#define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt
38 queue depth change in millisecs */
39#define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */
40#define LPFC_MIN_TGT_QDEPTH 100
41#define LPFC_MAX_TGT_QDEPTH 0xFFFF
dea3101e 42
ea2151b4
JS		 43#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data
44 collection. */
92d7f7b0
JS		 45/*
46 * Following time intervals are used of adjusting SCSI device
47 * queue depths when there are driver resource error or Firmware
48 * resource error.
49 */
50#define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */
51#define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */
52
53/* Number of exchanges reserved for discovery to complete */
54#define LPFC_DISC_IOCB_BUFF_COUNT 20
55
858c9f6c 56#define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
311464ec 57#define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
858c9f6c 58
9399627f
JS		 59/* Error Attention event polling interval */
60#define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */
61
dea3101e 62/* Define macros for 64 bit support */
63#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
64#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
65#define getPaddr(high, low) ((dma_addr_t)( \
66 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
67/* Provide maximum configuration definitions. */
68#define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
dea3101e 69#define FC_MAX_ADPTMSG 64
70
71#define MAX_HBAEVT 32
72
9399627f
JS		 73/* Number of MSI-X vectors the driver uses */
74#define LPFC_MSIX_VECTORS 2
75
5e9d9b82
JS		 76/* lpfc wait event data ready flag */
77#define LPFC_DATA_READY (1<<0)
78
875fbdfe
JSEC		 79enum lpfc_polling_flags {
80 ENABLE_FCP_RING_POLLING = 0x1,
81 DISABLE_FCP_RING_INT = 0x2
82};
83
dea3101e 84/* Provide DMA memory definitions the driver uses per port instance. */
85struct lpfc_dmabuf {
86 struct list_head list;
87 void *virt; /* virtual address ptr */
88 dma_addr_t phys; /* mapped address */
76bb24ef 89 uint32_t buffer_tag; /* used for tagged queue ring */
dea3101e 90};
91
92struct lpfc_dma_pool {
93 struct lpfc_dmabuf *elements;
94 uint32_t max_count;
95 uint32_t current_count;
96};
97
ed957684
JS		 98struct hbq_dmabuf {
99 struct lpfc_dmabuf dbuf;
51ef4c26 100 uint32_t size;
ed957684
JS		 101 uint32_t tag;
102};
103
dea3101e 104/* Priority bit. Set value to exceed low water mark in lpfc_mem. */
105#define MEM_PRI 0x100
106
107
108/****************************************************************************/
109/* Device VPD save area */
110/****************************************************************************/
111typedef struct lpfc_vpd {
112 uint32_t status; /* vpd status value */
113 uint32_t length; /* number of bytes actually returned */
114 struct {
115 uint32_t rsvd1; /* Revision numbers */
116 uint32_t biuRev;
117 uint32_t smRev;
118 uint32_t smFwRev;
119 uint32_t endecRev;
120 uint16_t rBit;
121 uint8_t fcphHigh;
122 uint8_t fcphLow;
123 uint8_t feaLevelHigh;
124 uint8_t feaLevelLow;
125 uint32_t postKernRev;
126 uint32_t opFwRev;
127 uint8_t opFwName[16];
128 uint32_t sli1FwRev;
129 uint8_t sli1FwName[16];
130 uint32_t sli2FwRev;
131 uint8_t sli2FwName[16];
132 } rev;
92d7f7b0
JS		 133 struct {
134#ifdef __BIG_ENDIAN_BITFIELD
135 uint32_t rsvd2 :24; /* Reserved */
136 uint32_t cmv : 1; /* Configure Max VPIs */
137 uint32_t ccrp : 1; /* Config Command Ring Polling */
138 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
139 uint32_t chbs : 1; /* Cofigure Host Backing store */
140 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
141 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
142 uint32_t cmx : 1; /* Configure Max XRIs */
143 uint32_t cmr : 1; /* Configure Max RPIs */
144#else /* __LITTLE_ENDIAN */
145 uint32_t cmr : 1; /* Configure Max RPIs */
146 uint32_t cmx : 1; /* Configure Max XRIs */
147 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
148 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
149 uint32_t chbs : 1; /* Cofigure Host Backing store */
150 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
151 uint32_t ccrp : 1; /* Config Command Ring Polling */
152 uint32_t cmv : 1; /* Configure Max VPIs */
153 uint32_t rsvd2 :24; /* Reserved */
154#endif
155 } sli3Feat;
dea3101e 156} lpfc_vpd_t;
157
158struct lpfc_scsi_buf;
159
160
161/*
162 * lpfc stat counters
163 */
164struct lpfc_stats {
165 /* Statistics for ELS commands */
166 uint32_t elsLogiCol;
167 uint32_t elsRetryExceeded;
168 uint32_t elsXmitRetry;
169 uint32_t elsDelayRetry;
170 uint32_t elsRcvDrop;
171 uint32_t elsRcvFrame;
172 uint32_t elsRcvRSCN;
173 uint32_t elsRcvRNID;
174 uint32_t elsRcvFARP;
175 uint32_t elsRcvFARPR;
176 uint32_t elsRcvFLOGI;
177 uint32_t elsRcvPLOGI;
178 uint32_t elsRcvADISC;
179 uint32_t elsRcvPDISC;
180 uint32_t elsRcvFAN;
181 uint32_t elsRcvLOGO;
182 uint32_t elsRcvPRLO;
183 uint32_t elsRcvPRLI;
7bb3b137
JW		 184 uint32_t elsRcvLIRR;
185 uint32_t elsRcvRPS;
186 uint32_t elsRcvRPL;
dea3101e 187 uint32_t elsXmitFLOGI;
92d7f7b0 188 uint32_t elsXmitFDISC;
dea3101e 189 uint32_t elsXmitPLOGI;
190 uint32_t elsXmitPRLI;
191 uint32_t elsXmitADISC;
192 uint32_t elsXmitLOGO;
193 uint32_t elsXmitSCR;
194 uint32_t elsXmitRNID;
195 uint32_t elsXmitFARP;
196 uint32_t elsXmitFARPR;
197 uint32_t elsXmitACC;
198 uint32_t elsXmitLSRJT;
199
200 uint32_t frameRcvBcast;
201 uint32_t frameRcvMulti;
202 uint32_t strayXmitCmpl;
203 uint32_t frameXmitDelay;
204 uint32_t xriCmdCmpl;
205 uint32_t xriStatErr;
206 uint32_t LinkUp;
207 uint32_t LinkDown;
208 uint32_t LinkMultiEvent;
209 uint32_t NoRcvBuf;
210 uint32_t fcpCmd;
211 uint32_t fcpCmpl;
212 uint32_t fcpRspErr;
213 uint32_t fcpRemoteStop;
214 uint32_t fcpPortRjt;
215 uint32_t fcpPortBusy;
216 uint32_t fcpError;
217 uint32_t fcpLocalErr;
218};
219
220enum sysfs_mbox_state {
221 SMBOX_IDLE,
222 SMBOX_WRITING,
223 SMBOX_READING
224};
225
226struct lpfc_sysfs_mbox {
227 enum sysfs_mbox_state state;
228 size_t offset;
229 struct lpfcMboxq * mbox;
230};
231
2e0fef85
JS		 232struct lpfc_hba;
233
92d7f7b0 234
2e0fef85 235enum discovery_state {
92d7f7b0
JS		 236 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
237 LPFC_VPORT_FAILED = 1, /* vport has failed */
238 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
239 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
240 LPFC_FDISC = 8, /* FDISC sent for vport */
241 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
242 * configured */
243 LPFC_NS_REG = 10, /* Register with NameServer */
244 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
245 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
246 * device authentication / discovery */
247 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
248 LPFC_VPORT_READY = 32,
2e0fef85
JS		 249};
250
251enum hba_state {
252 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
253 LPFC_WARM_START = 1, /* HBA state after selective reset */
254 LPFC_INIT_START = 2, /* Initial state after board reset */
255 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
256 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
257 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
92d7f7b0 258 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
2e0fef85 259 * CLEAR_LA */
92d7f7b0 260 LPFC_HBA_READY = 32,
2e0fef85
JS		 261 LPFC_HBA_ERROR = -1
262};
263
264struct lpfc_vport {
265 struct list_head listentry;
266 struct lpfc_hba *phba;
267 uint8_t port_type;
268#define LPFC_PHYSICAL_PORT 1
269#define LPFC_NPIV_PORT 2
270#define LPFC_FABRIC_PORT 3
271 enum discovery_state port_state;
272
92d7f7b0 273 uint16_t vpi;
2e0fef85
JS		 274
275 uint32_t fc_flag; /* FC flags */
276/* Several of these flags are HBA centric and should be moved to
277 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
278 */
92d7f7b0
JS		 279#define FC_PT2PT 0x1 /* pt2pt with no fabric */
280#define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
281#define FC_DISC_TMO 0x4 /* Discovery timer running */
282#define FC_PUBLIC_LOOP 0x8 /* Public loop */
283#define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
284#define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
285#define FC_NLP_MORE 0x40 /* More node to process in node tbl */
286#define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
287#define FC_FABRIC 0x100 /* We are fabric attached */
92d7f7b0
JS		 288#define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
289#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
290#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
291#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
292#define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
92d7f7b0
JS		 293#define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
294#define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
2e0fef85 295
7ee5d43e
JS		 296 uint32_t ct_flags;
297#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
298#define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
299#define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
300#define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
301#define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
302
2e0fef85
JS		 303 struct list_head fc_nodes;
304
305 /* Keep counters for the number of entries in each list. */
306 uint16_t fc_plogi_cnt;
307 uint16_t fc_adisc_cnt;
308 uint16_t fc_reglogin_cnt;
309 uint16_t fc_prli_cnt;
310 uint16_t fc_unmap_cnt;
311 uint16_t fc_map_cnt;
312 uint16_t fc_npr_cnt;
313 uint16_t fc_unused_cnt;
314 struct serv_parm fc_sparam; /* buffer for our service parameters */
315
316 uint32_t fc_myDID; /* fibre channel S_ID */
317 uint32_t fc_prevDID; /* previous fibre channel S_ID */
318
319 int32_t stopped; /* HBA has not been restarted since last ERATT */
320 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
321
322 uint32_t num_disc_nodes; /*in addition to hba_state */
323
324 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
325 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
7f5f3d0d 326 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
2e0fef85
JS		 327 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
328 struct lpfc_name fc_nodename; /* fc nodename */
329 struct lpfc_name fc_portname; /* fc portname */
330
331 struct lpfc_work_evt disc_timeout_evt;
332
333 struct timer_list fc_disctmo; /* Discovery rescue timer */
334 uint8_t fc_ns_retry; /* retries for fabric nameserver */
335 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
336
337 spinlock_t work_port_lock;
338 uint32_t work_port_events; /* Timeout to be handled */
858c9f6c
JS		 339#define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
340#define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
341#define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
342
343#define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
344#define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
b1c11812 345#define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timeout */
858c9f6c
JS		 346#define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
347#define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
2e0fef85
JS		 348
349 struct timer_list fc_fdmitmo;
350 struct timer_list els_tmofunc;
351
352 int unreg_vpi_cmpl;
353
354 uint8_t load_flag;
355#define FC_LOADING 0x1 /* HBA in process of loading drvr */
356#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
3de2a653
JS		 357 /* Vport Config Parameters */
358 uint32_t cfg_scan_down;
359 uint32_t cfg_lun_queue_depth;
360 uint32_t cfg_nodev_tmo;
361 uint32_t cfg_devloss_tmo;
362 uint32_t cfg_restrict_login;
363 uint32_t cfg_peer_port_login;
364 uint32_t cfg_fcp_class;
365 uint32_t cfg_use_adisc;
366 uint32_t cfg_fdmi_on;
367 uint32_t cfg_discovery_threads;
e8b62011 368 uint32_t cfg_log_verbose;
3de2a653 369 uint32_t cfg_max_luns;
7ee5d43e 370 uint32_t cfg_enable_da_id;
977b5a0a 371 uint32_t cfg_max_scsicmpl_time;
3de2a653
JS		 372
373 uint32_t dev_loss_tmo_changed;
51ef4c26
JS		 374
375 struct fc_vport *fc_vport;
376
377#ifdef CONFIG_LPFC_DEBUG_FS
378 struct dentry *debug_disc_trc;
379 struct dentry *debug_nodelist;
380 struct dentry *vport_debugfs_root;
381 struct lpfc_debugfs_trc *disc_trc;
382 atomic_t disc_trc_cnt;
383#endif
ea2151b4
JS		 384 uint8_t stat_data_enabled;
385 uint8_t stat_data_blocked;
2e0fef85
JS		 386};
387
ed957684
JS		 388struct hbq_s {
389 uint16_t entry_count; /* Current number of HBQ slots */
a8adb832 390 uint16_t buffer_count; /* Current number of buffers posted */
ed957684
JS		 391 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
392 uint32_t hbqPutIdx; /* HBQ slot to use */
393 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
51ef4c26
JS		 394 void *hbq_virt; /* Virtual ptr to this hbq */
395 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
396 /* Callback for HBQ buffer allocation */
397 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
398 /* Callback for HBQ buffer free */
399 void (*hbq_free_buffer) (struct lpfc_hba *,
400 struct hbq_dmabuf *);
ed957684
JS		 401};
402
51ef4c26
JS		 403#define LPFC_MAX_HBQS 4
404/* this matches the position in the lpfc_hbq_defs array */
92d7f7b0 405#define LPFC_ELS_HBQ 0
51ef4c26 406#define LPFC_EXTRA_HBQ 1
ed957684 407
7af67051
JS		 408enum hba_temp_state {
409 HBA_NORMAL_TEMP,
410 HBA_OVER_TEMP
411};
412
db2378e0
JS		 413enum intr_type_t {
414 NONE = 0,
415 INTx,
416 MSI,
417 MSIX,
418};
419
dea3101e 420struct lpfc_hba {
dea3101e 421 struct lpfc_sli sli;
ed957684
JS		 422 uint32_t sli_rev; /* SLI2 or SLI3 */
423 uint32_t sli3_options; /* Mask of enabled SLI3 options */
34b02dcd
JS		 424#define LPFC_SLI3_HBQ_ENABLED 0x01
425#define LPFC_SLI3_NPIV_ENABLED 0x02
426#define LPFC_SLI3_VPORT_TEARDOWN 0x04
427#define LPFC_SLI3_CRP_ENABLED 0x08
428#define LPFC_SLI3_INB_ENABLED 0x10
ed957684
JS		 429 uint32_t iocb_cmd_size;
430 uint32_t iocb_rsp_size;
2e0fef85
JS		 431
432 enum hba_state link_state;
433 uint32_t link_flag; /* link state flags */
311464ec 434#define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
2e0fef85
JS		 435 /* This flag is set while issuing */
436 /* INIT_LINK mailbox command */
92d7f7b0 437#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
1b32f6aa 438#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
2e0fef85 439
9399627f
JS		 440 uint32_t hba_flag; /* hba generic flags */
441#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */
442
34b02dcd
JS		 443 struct lpfc_dmabuf slim2p;
444
445 MAILBOX_t *mbox;
446 uint32_t *inb_ha_copy;
447 uint32_t *inb_counter;
448 uint32_t inb_last_counter;
9399627f 449 uint32_t ha_copy;
34b02dcd
JS		 450 struct _PCB *pcb;
451 struct _IOCB *IOCBs;
2e0fef85 452
34b02dcd 453 struct lpfc_dmabuf hbqslimp;
2e0fef85 454
dea3101e 455 uint16_t pci_cfg_value;
456
dea3101e 457 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
458
459 uint32_t fc_eventTag; /* event tag for link attention */
dea3101e 460
dea3101e 461 /* These fields used to be binfo */
dea3101e 462 uint32_t fc_pref_DID; /* preferred D_ID */
92d7f7b0 463 uint8_t fc_pref_ALPA; /* preferred AL_PA */
dea3101e 464 uint32_t fc_edtov; /* E_D_TOV timer value */
465 uint32_t fc_arbtov; /* ARB_TOV timer value */
466 uint32_t fc_ratov; /* R_A_TOV timer value */
467 uint32_t fc_rttov; /* R_T_TOV timer value */
468 uint32_t fc_altov; /* AL_TOV timer value */
469 uint32_t fc_crtov; /* C_R_TOV timer value */
470 uint32_t fc_citov; /* C_I_TOV timer value */
dea3101e 471
dea3101e 472 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
473 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
474
dea3101e 475 uint32_t lmt;
dea3101e 476
477 uint32_t fc_topology; /* link topology, from LINK INIT */
478
479 struct lpfc_stats fc_stat;
480
dea3101e 481 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
482 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
483
2e0fef85
JS		 484 uint8_t wwnn[8];
485 uint8_t wwpn[8];
dea3101e 486 uint32_t RandomData[7];
487
3de2a653 488 /* HBA Config Parameters */
dea3101e 489 uint32_t cfg_ack0;
78b2d852 490 uint32_t cfg_enable_npiv;
dea3101e 491 uint32_t cfg_topology;
dea3101e 492 uint32_t cfg_link_speed;
493 uint32_t cfg_cr_delay;
494 uint32_t cfg_cr_count;
cf5bf97e 495 uint32_t cfg_multi_ring_support;
a4bc3379
JS		 496 uint32_t cfg_multi_ring_rctl;
497 uint32_t cfg_multi_ring_type;
875fbdfe
JSEC		 498 uint32_t cfg_poll;
499 uint32_t cfg_poll_tmo;
4ff43246 500 uint32_t cfg_use_msi;
dea3101e 501 uint32_t cfg_sg_seg_cnt;
502 uint32_t cfg_sg_dma_buf_size;
a12e07bc 503 uint64_t cfg_soft_wwnn;
c3f28afa 504 uint64_t cfg_soft_wwpn;
3de2a653 505 uint32_t cfg_hba_queue_depth;
13815c83
JS		 506 uint32_t cfg_enable_hba_reset;
507 uint32_t cfg_enable_hba_heartbeat;
c01f3208 508
dea3101e 509 lpfc_vpd_t vpd; /* vital product data */
510
dea3101e 511 struct pci_dev *pcidev;
512 struct list_head work_list;
513 uint32_t work_ha; /* Host Attention Bits for WT */
514 uint32_t work_ha_mask; /* HA Bits owned by WT */
515 uint32_t work_hs; /* HS stored in case of ERRAT */
516 uint32_t work_status[2]; /* Extra status from SLIM */
dea3101e 517
5e9d9b82 518 wait_queue_head_t work_waitq;
dea3101e 519 struct task_struct *worker_thread;
d7c255b2 520 unsigned long data_flags;
dea3101e 521
3163f725
JS		 522 uint32_t hbq_in_use; /* HBQs in use flag */
523 struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */
ed957684 524 uint32_t hbq_count; /* Count of configured HBQs */
92d7f7b0 525 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
ed957684 526
dea3101e 527 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
528 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
529 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
530 PCI BAR0 */
531 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
532 PCI BAR2 */
533
534 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
535 void __iomem *HAregaddr; /* virtual address for host attn reg */
536 void __iomem *CAregaddr; /* virtual address for chip attn reg */
537 void __iomem *HSregaddr; /* virtual address for host status
538 reg */
539 void __iomem *HCregaddr; /* virtual address for host ctl reg */
540
ed957684 541 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
34b02dcd 542 struct lpfc_pgp *port_gp;
ed957684 543 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
92d7f7b0 544 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
ed957684 545
dea3101e 546 int brd_no; /* FC board number */
547
548 char SerialNumber[32]; /* adapter Serial Number */
549 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
550 char ModelDesc[256]; /* Model Description */
551 char ModelName[80]; /* Model Name */
552 char ProgramType[256]; /* Program Type */
553 char Port[20]; /* Port No */
554 uint8_t vpd_flag; /* VPD data flag */
555
556#define VPD_MODEL_DESC 0x1 /* valid vpd model description */
557#define VPD_MODEL_NAME 0x2 /* valid vpd model name */
558#define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
559#define VPD_PORT 0x8 /* valid vpd port data */
560#define VPD_MASK 0xf /* mask for any vpd data */
561
a12e07bc 562 uint8_t soft_wwn_enable;
c3f28afa 563
875fbdfe 564 struct timer_list fcp_poll_timer;
9399627f 565 struct timer_list eratt_poll;
875fbdfe 566
dea3101e 567 /*
568 * stat counters
569 */
570 uint64_t fc4InputRequests;
571 uint64_t fc4OutputRequests;
572 uint64_t fc4ControlRequests;
573
574 struct lpfc_sysfs_mbox sysfs_mbox;
575
576 /* fastpath list. */
875fbdfe 577 spinlock_t scsi_buf_list_lock;
dea3101e 578 struct list_head lpfc_scsi_buf_list;
579 uint32_t total_scsi_bufs;
580 struct list_head lpfc_iocb_list;
581 uint32_t total_iocbq_bufs;
2e0fef85 582 spinlock_t hbalock;
dea3101e 583
584 /* pci_mem_pools */
585 struct pci_pool *lpfc_scsi_dma_buf_pool;
586 struct pci_pool *lpfc_mbuf_pool;
ed957684 587 struct pci_pool *lpfc_hbq_pool;
dea3101e 588 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
589
590 mempool_t *mbox_mem_pool;
591 mempool_t *nlp_mem_pool;
f888ba3c
JSEC		 592
593 struct fc_host_statistics link_stats;
db2378e0 594 enum intr_type_t intr_type;
9399627f 595 struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
858c9f6c 596
2e0fef85 597 struct list_head port_list;
549e55cd
JS		 598 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
599 uint16_t max_vpi; /* Maximum virtual nports */
09372820 600#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
549e55cd 601 unsigned long *vpi_bmask; /* vpi allocation table */
92d7f7b0
JS		 602
603 /* Data structure used by fabric iocb scheduler */
604 struct list_head fabric_iocb_list;
605 atomic_t fabric_iocb_count;
606 struct timer_list fabric_block_timer;
607 unsigned long bit_flags;
608#define FABRIC_COMANDS_BLOCKED 0
609 atomic_t num_rsrc_err;
610 atomic_t num_cmd_success;
611 unsigned long last_rsrc_error_time;
612 unsigned long last_ramp_down_time;
613 unsigned long last_ramp_up_time;
858c9f6c
JS		 614#ifdef CONFIG_LPFC_DEBUG_FS
615 struct dentry *hba_debugfs_root;
616 atomic_t debugfs_vport_count;
78b2d852 617 struct dentry *debug_hbqinfo;
c95d6c6c
JS		 618 struct dentry *debug_dumpHostSlim;
619 struct dentry *debug_dumpHBASlim;
a58cbd52
JS		 620 struct dentry *debug_slow_ring_trc;
621 struct lpfc_debugfs_trc *slow_ring_trc;
622 atomic_t slow_ring_trc_cnt;
858c9f6c
JS		 623#endif
624
0ff10d46
JS		 625 /* Used for deferred freeing of ELS data buffers */
626 struct list_head elsbuf;
627 int elsbuf_cnt;
628 int elsbuf_prev_cnt;
629
57127f15 630 uint8_t temp_sensor_support;
858c9f6c
JS		 631 /* Fields used for heart beat. */
632 unsigned long last_completion_time;
633 struct timer_list hb_tmofunc;
634 uint8_t hb_outstanding;
84774a4d 635 enum hba_temp_state over_temp_state;
e47c9093
JS		 636 /* ndlp reference management */
637 spinlock_t ndlp_lock;
76bb24ef
JS		 638 /*
639 * Following bit will be set for all buffer tags which are not
640 * associated with any HBQ.
641 */
642#define QUE_BUFTAG_BIT (1<<31)
643 uint32_t buffer_tag_count;
84774a4d
JS		 644 int wait_4_mlo_maint_flg;
645 wait_queue_head_t wait_4_mlo_m_q;
ea2151b4
JS		 646 /* data structure used for latency data collection */
647#define LPFC_NO_BUCKET 0
648#define LPFC_LINEAR_BUCKET 1
649#define LPFC_POWER2_BUCKET 2
650 uint8_t bucket_type;
651 uint32_t bucket_base;
652 uint32_t bucket_step;
653
654/* Maximum number of events that can be outstanding at any time*/
655#define LPFC_MAX_EVT_COUNT 512
656 atomic_t fast_event_count;
dea3101e 657};
658
2e0fef85
JS		 659static inline struct Scsi_Host *
660lpfc_shost_from_vport(struct lpfc_vport *vport)
661{
662 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
663}
664
5b8bd0c9 665static inline void
2e0fef85
JS		 666lpfc_set_loopback_flag(struct lpfc_hba *phba)
667{
5b8bd0c9 668 if (phba->cfg_topology == FLAGS_LOCAL_LB)
2e0fef85 669 phba->link_flag |= LS_LOOPBACK_MODE;
5b8bd0c9 670 else
2e0fef85
JS		 671 phba->link_flag &= ~LS_LOOPBACK_MODE;
672}
673
674static inline int
675lpfc_is_link_up(struct lpfc_hba *phba)
676{
677 return phba->link_state == LPFC_LINK_UP ||
92d7f7b0
JS		 678 phba->link_state == LPFC_CLEAR_LA ||
679 phba->link_state == LPFC_HBA_READY;
5b8bd0c9 680}
dea3101e 681
5e9d9b82
JS		 682static inline void
683lpfc_worker_wake_up(struct lpfc_hba *phba)
684{
685 /* Set the lpfc data pending flag */
686 set_bit(LPFC_DATA_READY, &phba->data_flags);
687
688 /* Wake up worker thread */
689 wake_up(&phba->work_waitq);
690 return;
691}
692
9399627f
JS		 693static inline void
694lpfc_sli_read_hs(struct lpfc_hba *phba)
695{
696 /*
697 * There was a link/board error. Read the status register to retrieve
698 * the error event and process it.
699 */
700 phba->sli.slistat.err_attn_event++;
701
702 /* Save status info */
703 phba->work_hs = readl(phba->HSregaddr);
704 phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
705 phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
706
707 /* Clear chip Host Attention error bit */
708 writel(HA_ERATT, phba->HAregaddr);
709 readl(phba->HAregaddr); /* flush */
710 phba->pport->stopped = 1;
711
712 return;
713}
714
Linux kernel - Deliverables
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