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kbuild: Fix instrumentation removal breakage on avr32
[wrt350n-kernel.git] / drivers / scsi / lpfc / lpfc.h
blobf26b9538affe232079d94cd4b9179815af441958
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
8 * *
9 * This program is free software; you can redistribute it and/or *
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. *
20 *******************************************************************/
21
22 #include <scsi/scsi_host.h>
23
24 struct lpfc_sli2_slim;
25
26 #define LPFC_MAX_TARGET 256 /* max number of targets supported */
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. */
31 #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
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 */
34 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
35 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
36
37 /*
38 * Following time intervals are used of adjusting SCSI device
39 * queue depths when there are driver resource error or Firmware
40 * resource error.
41 */
42 #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */
43 #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */
44
45 /* Number of exchanges reserved for discovery to complete */
46 #define LPFC_DISC_IOCB_BUFF_COUNT 20
47
48 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
49 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
50
51 /* Define macros for 64 bit support */
52 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
53 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
54 #define getPaddr(high, low) ((dma_addr_t)( \
55 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
56 /* Provide maximum configuration definitions. */
57 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
58 #define FC_MAX_ADPTMSG 64
59
60 #define MAX_HBAEVT 32
61
62 enum lpfc_polling_flags {
63 ENABLE_FCP_RING_POLLING = 0x1,
64 DISABLE_FCP_RING_INT = 0x2
65 };
66
67 /* Provide DMA memory definitions the driver uses per port instance. */
68 struct lpfc_dmabuf {
69 struct list_head list;
70 void *virt; /* virtual address ptr */
71 dma_addr_t phys; /* mapped address */
72 uint32_t buffer_tag; /* used for tagged queue ring */
73 };
74
75 struct lpfc_dma_pool {
76 struct lpfc_dmabuf *elements;
77 uint32_t max_count;
78 uint32_t current_count;
79 };
80
81 struct hbq_dmabuf {
82 struct lpfc_dmabuf dbuf;
83 uint32_t size;
84 uint32_t tag;
85 };
86
87 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
88 #define MEM_PRI 0x100
89
90
91 /****************************************************************************/
92 /* Device VPD save area */
93 /****************************************************************************/
94 typedef struct lpfc_vpd {
95 uint32_t status; /* vpd status value */
96 uint32_t length; /* number of bytes actually returned */
97 struct {
98 uint32_t rsvd1; /* Revision numbers */
99 uint32_t biuRev;
100 uint32_t smRev;
101 uint32_t smFwRev;
102 uint32_t endecRev;
103 uint16_t rBit;
104 uint8_t fcphHigh;
105 uint8_t fcphLow;
106 uint8_t feaLevelHigh;
107 uint8_t feaLevelLow;
108 uint32_t postKernRev;
109 uint32_t opFwRev;
110 uint8_t opFwName[16];
111 uint32_t sli1FwRev;
112 uint8_t sli1FwName[16];
113 uint32_t sli2FwRev;
114 uint8_t sli2FwName[16];
115 } rev;
116 struct {
117 #ifdef __BIG_ENDIAN_BITFIELD
118 uint32_t rsvd2 :24; /* Reserved */
119 uint32_t cmv : 1; /* Configure Max VPIs */
120 uint32_t ccrp : 1; /* Config Command Ring Polling */
121 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
122 uint32_t chbs : 1; /* Cofigure Host Backing store */
123 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
124 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
125 uint32_t cmx : 1; /* Configure Max XRIs */
126 uint32_t cmr : 1; /* Configure Max RPIs */
127 #else /* __LITTLE_ENDIAN */
128 uint32_t cmr : 1; /* Configure Max RPIs */
129 uint32_t cmx : 1; /* Configure Max XRIs */
130 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
131 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
132 uint32_t chbs : 1; /* Cofigure Host Backing store */
133 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
134 uint32_t ccrp : 1; /* Config Command Ring Polling */
135 uint32_t cmv : 1; /* Configure Max VPIs */
136 uint32_t rsvd2 :24; /* Reserved */
137 #endif
138 } sli3Feat;
139 } lpfc_vpd_t;
140
141 struct lpfc_scsi_buf;
142
143
144 /*
145 * lpfc stat counters
146 */
147 struct lpfc_stats {
148 /* Statistics for ELS commands */
149 uint32_t elsLogiCol;
150 uint32_t elsRetryExceeded;
151 uint32_t elsXmitRetry;
152 uint32_t elsDelayRetry;
153 uint32_t elsRcvDrop;
154 uint32_t elsRcvFrame;
155 uint32_t elsRcvRSCN;
156 uint32_t elsRcvRNID;
157 uint32_t elsRcvFARP;
158 uint32_t elsRcvFARPR;
159 uint32_t elsRcvFLOGI;
160 uint32_t elsRcvPLOGI;
161 uint32_t elsRcvADISC;
162 uint32_t elsRcvPDISC;
163 uint32_t elsRcvFAN;
164 uint32_t elsRcvLOGO;
165 uint32_t elsRcvPRLO;
166 uint32_t elsRcvPRLI;
167 uint32_t elsRcvLIRR;
168 uint32_t elsRcvRPS;
169 uint32_t elsRcvRPL;
170 uint32_t elsXmitFLOGI;
171 uint32_t elsXmitFDISC;
172 uint32_t elsXmitPLOGI;
173 uint32_t elsXmitPRLI;
174 uint32_t elsXmitADISC;
175 uint32_t elsXmitLOGO;
176 uint32_t elsXmitSCR;
177 uint32_t elsXmitRNID;
178 uint32_t elsXmitFARP;
179 uint32_t elsXmitFARPR;
180 uint32_t elsXmitACC;
181 uint32_t elsXmitLSRJT;
182
183 uint32_t frameRcvBcast;
184 uint32_t frameRcvMulti;
185 uint32_t strayXmitCmpl;
186 uint32_t frameXmitDelay;
187 uint32_t xriCmdCmpl;
188 uint32_t xriStatErr;
189 uint32_t LinkUp;
190 uint32_t LinkDown;
191 uint32_t LinkMultiEvent;
192 uint32_t NoRcvBuf;
193 uint32_t fcpCmd;
194 uint32_t fcpCmpl;
195 uint32_t fcpRspErr;
196 uint32_t fcpRemoteStop;
197 uint32_t fcpPortRjt;
198 uint32_t fcpPortBusy;
199 uint32_t fcpError;
200 uint32_t fcpLocalErr;
201 };
202
203 enum sysfs_mbox_state {
204 SMBOX_IDLE,
205 SMBOX_WRITING,
206 SMBOX_READING
207 };
208
209 struct lpfc_sysfs_mbox {
210 enum sysfs_mbox_state state;
211 size_t offset;
212 struct lpfcMboxq * mbox;
213 };
214
215 struct lpfc_hba;
216
217
218 enum discovery_state {
219 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
220 LPFC_VPORT_FAILED = 1, /* vport has failed */
221 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
222 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
223 LPFC_FDISC = 8, /* FDISC sent for vport */
224 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
225 * configured */
226 LPFC_NS_REG = 10, /* Register with NameServer */
227 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
228 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
229 * device authentication / discovery */
230 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
231 LPFC_VPORT_READY = 32,
232 };
233
234 enum hba_state {
235 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
236 LPFC_WARM_START = 1, /* HBA state after selective reset */
237 LPFC_INIT_START = 2, /* Initial state after board reset */
238 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
239 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
240 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
241 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
242 * CLEAR_LA */
243 LPFC_HBA_READY = 32,
244 LPFC_HBA_ERROR = -1
245 };
246
247 struct lpfc_vport {
248 struct list_head listentry;
249 struct lpfc_hba *phba;
250 uint8_t port_type;
251 #define LPFC_PHYSICAL_PORT 1
252 #define LPFC_NPIV_PORT 2
253 #define LPFC_FABRIC_PORT 3
254 enum discovery_state port_state;
255
256 uint16_t vpi;
257
258 uint32_t fc_flag; /* FC flags */
259 /* Several of these flags are HBA centric and should be moved to
260 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
261 */
262 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
263 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
264 #define FC_DISC_TMO 0x4 /* Discovery timer running */
265 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
266 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
267 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
268 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
269 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
270 #define FC_FABRIC 0x100 /* We are fabric attached */
271 #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
272 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
273 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
274 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
275 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
276 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
277 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
278 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
279
280 uint32_t ct_flags;
281 #define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
282 #define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */
283 #define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */
284 #define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */
285 #define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */
286
287 struct list_head fc_nodes;
288
289 /* Keep counters for the number of entries in each list. */
290 uint16_t fc_plogi_cnt;
291 uint16_t fc_adisc_cnt;
292 uint16_t fc_reglogin_cnt;
293 uint16_t fc_prli_cnt;
294 uint16_t fc_unmap_cnt;
295 uint16_t fc_map_cnt;
296 uint16_t fc_npr_cnt;
297 uint16_t fc_unused_cnt;
298 struct serv_parm fc_sparam; /* buffer for our service parameters */
299
300 uint32_t fc_myDID; /* fibre channel S_ID */
301 uint32_t fc_prevDID; /* previous fibre channel S_ID */
302
303 int32_t stopped; /* HBA has not been restarted since last ERATT */
304 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
305
306 uint32_t num_disc_nodes; /*in addition to hba_state */
307
308 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
309 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
310 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
311 struct lpfc_name fc_nodename; /* fc nodename */
312 struct lpfc_name fc_portname; /* fc portname */
313
314 struct lpfc_work_evt disc_timeout_evt;
315
316 struct timer_list fc_disctmo; /* Discovery rescue timer */
317 uint8_t fc_ns_retry; /* retries for fabric nameserver */
318 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
319
320 spinlock_t work_port_lock;
321 uint32_t work_port_events; /* Timeout to be handled */
322 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
323 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
324 #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
325
326 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
327 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
328 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timout */
329 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
330 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
331
332 struct timer_list fc_fdmitmo;
333 struct timer_list els_tmofunc;
334
335 int unreg_vpi_cmpl;
336
337 uint8_t load_flag;
338 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
339 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
340 char *vname; /* Application assigned name */
341
342 /* Vport Config Parameters */
343 uint32_t cfg_scan_down;
344 uint32_t cfg_lun_queue_depth;
345 uint32_t cfg_nodev_tmo;
346 uint32_t cfg_devloss_tmo;
347 uint32_t cfg_restrict_login;
348 uint32_t cfg_peer_port_login;
349 uint32_t cfg_fcp_class;
350 uint32_t cfg_use_adisc;
351 uint32_t cfg_fdmi_on;
352 uint32_t cfg_discovery_threads;
353 uint32_t cfg_log_verbose;
354 uint32_t cfg_max_luns;
355 uint32_t cfg_enable_da_id;
356
357 uint32_t dev_loss_tmo_changed;
358
359 struct fc_vport *fc_vport;
360
361 #ifdef CONFIG_LPFC_DEBUG_FS
362 struct dentry *debug_disc_trc;
363 struct dentry *debug_nodelist;
364 struct dentry *vport_debugfs_root;
365 struct lpfc_debugfs_trc *disc_trc;
366 atomic_t disc_trc_cnt;
367 #endif
368 };
369
370 struct hbq_s {
371 uint16_t entry_count; /* Current number of HBQ slots */
372 uint16_t buffer_count; /* Current number of buffers posted */
373 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
374 uint32_t hbqPutIdx; /* HBQ slot to use */
375 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
376 void *hbq_virt; /* Virtual ptr to this hbq */
377 struct list_head hbq_buffer_list; /* buffers assigned to this HBQ */
378 /* Callback for HBQ buffer allocation */
379 struct hbq_dmabuf *(*hbq_alloc_buffer) (struct lpfc_hba *);
380 /* Callback for HBQ buffer free */
381 void (*hbq_free_buffer) (struct lpfc_hba *,
382 struct hbq_dmabuf *);
383 };
384
385 #define LPFC_MAX_HBQS 4
386 /* this matches the position in the lpfc_hbq_defs array */
387 #define LPFC_ELS_HBQ 0
388 #define LPFC_EXTRA_HBQ 1
389
390 enum hba_temp_state {
391 HBA_NORMAL_TEMP,
392 HBA_OVER_TEMP
393 };
394
395 struct lpfc_hba {
396 struct lpfc_sli sli;
397 uint32_t sli_rev; /* SLI2 or SLI3 */
398 uint32_t sli3_options; /* Mask of enabled SLI3 options */
399 #define LPFC_SLI3_ENABLED 0x01
400 #define LPFC_SLI3_HBQ_ENABLED 0x02
401 #define LPFC_SLI3_NPIV_ENABLED 0x04
402 #define LPFC_SLI3_VPORT_TEARDOWN 0x08
403 uint32_t iocb_cmd_size;
404 uint32_t iocb_rsp_size;
405
406 enum hba_state link_state;
407 uint32_t link_flag; /* link state flags */
408 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
409 /* This flag is set while issuing */
410 /* INIT_LINK mailbox command */
411 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
412 #define LS_IGNORE_ERATT 0x3 /* intr handler should ignore ERATT */
413
414 struct lpfc_sli2_slim *slim2p;
415 struct lpfc_dmabuf hbqslimp;
416
417 dma_addr_t slim2p_mapping;
418
419 uint16_t pci_cfg_value;
420
421 uint8_t work_found;
422 #define LPFC_MAX_WORKER_ITERATION 4
423
424 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
425
426 uint32_t fc_eventTag; /* event tag for link attention */
427
428
429 struct timer_list fc_estabtmo; /* link establishment timer */
430 /* These fields used to be binfo */
431 uint32_t fc_pref_DID; /* preferred D_ID */
432 uint8_t fc_pref_ALPA; /* preferred AL_PA */
433 uint32_t fc_edtov; /* E_D_TOV timer value */
434 uint32_t fc_arbtov; /* ARB_TOV timer value */
435 uint32_t fc_ratov; /* R_A_TOV timer value */
436 uint32_t fc_rttov; /* R_T_TOV timer value */
437 uint32_t fc_altov; /* AL_TOV timer value */
438 uint32_t fc_crtov; /* C_R_TOV timer value */
439 uint32_t fc_citov; /* C_I_TOV timer value */
440
441 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
442 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
443
444 uint32_t lmt;
445
446 uint32_t fc_topology; /* link topology, from LINK INIT */
447
448 struct lpfc_stats fc_stat;
449
450 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
451 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
452
453 uint8_t wwnn[8];
454 uint8_t wwpn[8];
455 uint32_t RandomData[7];
456
457 /* HBA Config Parameters */
458 uint32_t cfg_ack0;
459 uint32_t cfg_enable_npiv;
460 uint32_t cfg_topology;
461 uint32_t cfg_link_speed;
462 uint32_t cfg_cr_delay;
463 uint32_t cfg_cr_count;
464 uint32_t cfg_multi_ring_support;
465 uint32_t cfg_multi_ring_rctl;
466 uint32_t cfg_multi_ring_type;
467 uint32_t cfg_poll;
468 uint32_t cfg_poll_tmo;
469 uint32_t cfg_use_msi;
470 uint32_t cfg_sg_seg_cnt;
471 uint32_t cfg_sg_dma_buf_size;
472 uint64_t cfg_soft_wwnn;
473 uint64_t cfg_soft_wwpn;
474 uint32_t cfg_hba_queue_depth;
475 uint32_t cfg_enable_hba_reset;
476 uint32_t cfg_enable_hba_heartbeat;
477
478 lpfc_vpd_t vpd; /* vital product data */
479
480 struct pci_dev *pcidev;
481 struct list_head work_list;
482 uint32_t work_ha; /* Host Attention Bits for WT */
483 uint32_t work_ha_mask; /* HA Bits owned by WT */
484 uint32_t work_hs; /* HS stored in case of ERRAT */
485 uint32_t work_status[2]; /* Extra status from SLIM */
486
487 wait_queue_head_t *work_wait;
488 struct task_struct *worker_thread;
489
490 uint32_t hbq_count; /* Count of configured HBQs */
491 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
492
493 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
494 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
495 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
496 PCI BAR0 */
497 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
498 PCI BAR2 */
499
500 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
501 void __iomem *HAregaddr; /* virtual address for host attn reg */
502 void __iomem *CAregaddr; /* virtual address for chip attn reg */
503 void __iomem *HSregaddr; /* virtual address for host status
504 reg */
505 void __iomem *HCregaddr; /* virtual address for host ctl reg */
506
507 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
508 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
509 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
510
511 int brd_no; /* FC board number */
512
513 char SerialNumber[32]; /* adapter Serial Number */
514 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
515 char ModelDesc[256]; /* Model Description */
516 char ModelName[80]; /* Model Name */
517 char ProgramType[256]; /* Program Type */
518 char Port[20]; /* Port No */
519 uint8_t vpd_flag; /* VPD data flag */
520
521 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
522 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
523 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
524 #define VPD_PORT 0x8 /* valid vpd port data */
525 #define VPD_MASK 0xf /* mask for any vpd data */
526
527 uint8_t soft_wwn_enable;
528
529 struct timer_list fcp_poll_timer;
530
531 /*
532 * stat counters
533 */
534 uint64_t fc4InputRequests;
535 uint64_t fc4OutputRequests;
536 uint64_t fc4ControlRequests;
537
538 struct lpfc_sysfs_mbox sysfs_mbox;
539
540 /* fastpath list. */
541 spinlock_t scsi_buf_list_lock;
542 struct list_head lpfc_scsi_buf_list;
543 uint32_t total_scsi_bufs;
544 struct list_head lpfc_iocb_list;
545 uint32_t total_iocbq_bufs;
546 spinlock_t hbalock;
547
548 /* pci_mem_pools */
549 struct pci_pool *lpfc_scsi_dma_buf_pool;
550 struct pci_pool *lpfc_mbuf_pool;
551 struct pci_pool *lpfc_hbq_pool;
552 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
553
554 mempool_t *mbox_mem_pool;
555 mempool_t *nlp_mem_pool;
556
557 struct fc_host_statistics link_stats;
558 uint8_t using_msi;
559
560 struct list_head port_list;
561 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
562 uint16_t max_vpi; /* Maximum virtual nports */
563 #define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
564 unsigned long *vpi_bmask; /* vpi allocation table */
565
566 /* Data structure used by fabric iocb scheduler */
567 struct list_head fabric_iocb_list;
568 atomic_t fabric_iocb_count;
569 struct timer_list fabric_block_timer;
570 unsigned long bit_flags;
571 #define FABRIC_COMANDS_BLOCKED 0
572 atomic_t num_rsrc_err;
573 atomic_t num_cmd_success;
574 unsigned long last_rsrc_error_time;
575 unsigned long last_ramp_down_time;
576 unsigned long last_ramp_up_time;
577 #ifdef CONFIG_LPFC_DEBUG_FS
578 struct dentry *hba_debugfs_root;
579 atomic_t debugfs_vport_count;
580 struct dentry *debug_hbqinfo;
581 struct dentry *debug_dumpHostSlim;
582 struct dentry *debug_dumpHBASlim;
583 struct dentry *debug_slow_ring_trc;
584 struct lpfc_debugfs_trc *slow_ring_trc;
585 atomic_t slow_ring_trc_cnt;
586 #endif
587
588 /* Used for deferred freeing of ELS data buffers */
589 struct list_head elsbuf;
590 int elsbuf_cnt;
591 int elsbuf_prev_cnt;
592
593 uint8_t temp_sensor_support;
594 /* Fields used for heart beat. */
595 unsigned long last_completion_time;
596 struct timer_list hb_tmofunc;
597 uint8_t hb_outstanding;
598 /*
599 * Following bit will be set for all buffer tags which are not
600 * associated with any HBQ.
601 */
602 #define QUE_BUFTAG_BIT (1<<31)
603 uint32_t buffer_tag_count;
604 enum hba_temp_state over_temp_state;
605 };
606
607 static inline struct Scsi_Host *
608 lpfc_shost_from_vport(struct lpfc_vport *vport)
609 {
610 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
611 }
612
613 static inline void
614 lpfc_set_loopback_flag(struct lpfc_hba *phba)
615 {
616 if (phba->cfg_topology == FLAGS_LOCAL_LB)
617 phba->link_flag |= LS_LOOPBACK_MODE;
618 else
619 phba->link_flag &= ~LS_LOOPBACK_MODE;
620 }
621
622 static inline int
623 lpfc_is_link_up(struct lpfc_hba *phba)
624 {
625 return phba->link_state == LPFC_LINK_UP ||
626 phba->link_state == LPFC_CLEAR_LA ||
627 phba->link_state == LPFC_HBA_READY;
628 }
629
630 #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */
631 #define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature
632 event */
633
634 struct temp_event {
635 uint32_t event_type;
636 uint32_t event_code;
637 uint32_t data;
638 };
639 #define LPFC_CRIT_TEMP 0x1
640 #define LPFC_THRESHOLD_TEMP 0x2
641 #define LPFC_NORMAL_TEMP 0x3
WRT350N Kernel Patches