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[SCSI] lpfc 8.2.2 : Attribute and Parameter splits for vport and physical port
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / lpfc / lpfc.h
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_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
33 #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
34 #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
35
36 /*
37 * Following time intervals are used of adjusting SCSI device
38 * queue depths when there are driver resource error or Firmware
39 * resource error.
40 */
41 #define QUEUE_RAMP_DOWN_INTERVAL (1 * HZ) /* 1 Second */
42 #define QUEUE_RAMP_UP_INTERVAL (300 * HZ) /* 5 minutes */
43
44 /* Number of exchanges reserved for discovery to complete */
45 #define LPFC_DISC_IOCB_BUFF_COUNT 20
46
47 #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */
48 #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */
49
50 /* Define macros for 64 bit support */
51 #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
52 #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
53 #define getPaddr(high, low) ((dma_addr_t)( \
54 (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
55 /* Provide maximum configuration definitions. */
56 #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */
57 #define FC_MAX_ADPTMSG 64
58
59 #define MAX_HBAEVT 32
60
61 enum lpfc_polling_flags {
62 ENABLE_FCP_RING_POLLING = 0x1,
63 DISABLE_FCP_RING_INT = 0x2
64 };
65
66 /* Provide DMA memory definitions the driver uses per port instance. */
67 struct lpfc_dmabuf {
68 struct list_head list;
69 void *virt; /* virtual address ptr */
70 dma_addr_t phys; /* mapped address */
71 };
72
73 struct lpfc_dma_pool {
74 struct lpfc_dmabuf *elements;
75 uint32_t max_count;
76 uint32_t current_count;
77 };
78
79 struct hbq_dmabuf {
80 struct lpfc_dmabuf dbuf;
81 uint32_t tag;
82 };
83
84 /* Priority bit. Set value to exceed low water mark in lpfc_mem. */
85 #define MEM_PRI 0x100
86
87
88 /****************************************************************************/
89 /* Device VPD save area */
90 /****************************************************************************/
91 typedef struct lpfc_vpd {
92 uint32_t status; /* vpd status value */
93 uint32_t length; /* number of bytes actually returned */
94 struct {
95 uint32_t rsvd1; /* Revision numbers */
96 uint32_t biuRev;
97 uint32_t smRev;
98 uint32_t smFwRev;
99 uint32_t endecRev;
100 uint16_t rBit;
101 uint8_t fcphHigh;
102 uint8_t fcphLow;
103 uint8_t feaLevelHigh;
104 uint8_t feaLevelLow;
105 uint32_t postKernRev;
106 uint32_t opFwRev;
107 uint8_t opFwName[16];
108 uint32_t sli1FwRev;
109 uint8_t sli1FwName[16];
110 uint32_t sli2FwRev;
111 uint8_t sli2FwName[16];
112 } rev;
113 struct {
114 #ifdef __BIG_ENDIAN_BITFIELD
115 uint32_t rsvd2 :24; /* Reserved */
116 uint32_t cmv : 1; /* Configure Max VPIs */
117 uint32_t ccrp : 1; /* Config Command Ring Polling */
118 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
119 uint32_t chbs : 1; /* Cofigure Host Backing store */
120 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
121 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
122 uint32_t cmx : 1; /* Configure Max XRIs */
123 uint32_t cmr : 1; /* Configure Max RPIs */
124 #else /* __LITTLE_ENDIAN */
125 uint32_t cmr : 1; /* Configure Max RPIs */
126 uint32_t cmx : 1; /* Configure Max XRIs */
127 uint32_t cerbm : 1; /* Configure Enhanced Receive Buf Mgmt */
128 uint32_t cinb : 1; /* Enable Interrupt Notification Block */
129 uint32_t chbs : 1; /* Cofigure Host Backing store */
130 uint32_t csah : 1; /* Configure Synchronous Abort Handling */
131 uint32_t ccrp : 1; /* Config Command Ring Polling */
132 uint32_t cmv : 1; /* Configure Max VPIs */
133 uint32_t rsvd2 :24; /* Reserved */
134 #endif
135 } sli3Feat;
136 } lpfc_vpd_t;
137
138 struct lpfc_scsi_buf;
139
140
141 /*
142 * lpfc stat counters
143 */
144 struct lpfc_stats {
145 /* Statistics for ELS commands */
146 uint32_t elsLogiCol;
147 uint32_t elsRetryExceeded;
148 uint32_t elsXmitRetry;
149 uint32_t elsDelayRetry;
150 uint32_t elsRcvDrop;
151 uint32_t elsRcvFrame;
152 uint32_t elsRcvRSCN;
153 uint32_t elsRcvRNID;
154 uint32_t elsRcvFARP;
155 uint32_t elsRcvFARPR;
156 uint32_t elsRcvFLOGI;
157 uint32_t elsRcvPLOGI;
158 uint32_t elsRcvADISC;
159 uint32_t elsRcvPDISC;
160 uint32_t elsRcvFAN;
161 uint32_t elsRcvLOGO;
162 uint32_t elsRcvPRLO;
163 uint32_t elsRcvPRLI;
164 uint32_t elsRcvLIRR;
165 uint32_t elsRcvRPS;
166 uint32_t elsRcvRPL;
167 uint32_t elsXmitFLOGI;
168 uint32_t elsXmitFDISC;
169 uint32_t elsXmitPLOGI;
170 uint32_t elsXmitPRLI;
171 uint32_t elsXmitADISC;
172 uint32_t elsXmitLOGO;
173 uint32_t elsXmitSCR;
174 uint32_t elsXmitRNID;
175 uint32_t elsXmitFARP;
176 uint32_t elsXmitFARPR;
177 uint32_t elsXmitACC;
178 uint32_t elsXmitLSRJT;
179
180 uint32_t frameRcvBcast;
181 uint32_t frameRcvMulti;
182 uint32_t strayXmitCmpl;
183 uint32_t frameXmitDelay;
184 uint32_t xriCmdCmpl;
185 uint32_t xriStatErr;
186 uint32_t LinkUp;
187 uint32_t LinkDown;
188 uint32_t LinkMultiEvent;
189 uint32_t NoRcvBuf;
190 uint32_t fcpCmd;
191 uint32_t fcpCmpl;
192 uint32_t fcpRspErr;
193 uint32_t fcpRemoteStop;
194 uint32_t fcpPortRjt;
195 uint32_t fcpPortBusy;
196 uint32_t fcpError;
197 uint32_t fcpLocalErr;
198 };
199
200 enum sysfs_mbox_state {
201 SMBOX_IDLE,
202 SMBOX_WRITING,
203 SMBOX_READING
204 };
205
206 struct lpfc_sysfs_mbox {
207 enum sysfs_mbox_state state;
208 size_t offset;
209 struct lpfcMboxq * mbox;
210 };
211
212 struct lpfc_hba;
213
214
215 enum discovery_state {
216 LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
217 LPFC_VPORT_FAILED = 1, /* vport has failed */
218 LPFC_LOCAL_CFG_LINK = 6, /* local NPORT Id configured */
219 LPFC_FLOGI = 7, /* FLOGI sent to Fabric */
220 LPFC_FDISC = 8, /* FDISC sent for vport */
221 LPFC_FABRIC_CFG_LINK = 9, /* Fabric assigned NPORT Id
222 * configured */
223 LPFC_NS_REG = 10, /* Register with NameServer */
224 LPFC_NS_QRY = 11, /* Query NameServer for NPort ID list */
225 LPFC_BUILD_DISC_LIST = 12, /* Build ADISC and PLOGI lists for
226 * device authentication / discovery */
227 LPFC_DISC_AUTH = 13, /* Processing ADISC list */
228 LPFC_VPORT_READY = 32,
229 };
230
231 enum hba_state {
232 LPFC_LINK_UNKNOWN = 0, /* HBA state is unknown */
233 LPFC_WARM_START = 1, /* HBA state after selective reset */
234 LPFC_INIT_START = 2, /* Initial state after board reset */
235 LPFC_INIT_MBX_CMDS = 3, /* Initialize HBA with mbox commands */
236 LPFC_LINK_DOWN = 4, /* HBA initialized, link is down */
237 LPFC_LINK_UP = 5, /* Link is up - issue READ_LA */
238 LPFC_CLEAR_LA = 6, /* authentication cmplt - issue
239 * CLEAR_LA */
240 LPFC_HBA_READY = 32,
241 LPFC_HBA_ERROR = -1
242 };
243
244 struct lpfc_vport {
245 struct list_head listentry;
246 struct lpfc_hba *phba;
247 uint8_t port_type;
248 #define LPFC_PHYSICAL_PORT 1
249 #define LPFC_NPIV_PORT 2
250 #define LPFC_FABRIC_PORT 3
251 enum discovery_state port_state;
252
253 uint16_t vpi;
254
255 uint32_t fc_flag; /* FC flags */
256 /* Several of these flags are HBA centric and should be moved to
257 * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
258 */
259 #define FC_PT2PT 0x1 /* pt2pt with no fabric */
260 #define FC_PT2PT_PLOGI 0x2 /* pt2pt initiate PLOGI */
261 #define FC_DISC_TMO 0x4 /* Discovery timer running */
262 #define FC_PUBLIC_LOOP 0x8 /* Public loop */
263 #define FC_LBIT 0x10 /* LOGIN bit in loopinit set */
264 #define FC_RSCN_MODE 0x20 /* RSCN cmd rcv'ed */
265 #define FC_NLP_MORE 0x40 /* More node to process in node tbl */
266 #define FC_OFFLINE_MODE 0x80 /* Interface is offline for diag */
267 #define FC_FABRIC 0x100 /* We are fabric attached */
268 #define FC_ESTABLISH_LINK 0x200 /* Reestablish Link */
269 #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
270 #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
271 #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
272 #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
273 #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */
274 #define FC_RFF_NOT_SUPPORTED 0x40000 /* RFF_ID was rejected by switch */
275 #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
276 #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
277
278 struct list_head fc_nodes;
279
280 /* Keep counters for the number of entries in each list. */
281 uint16_t fc_plogi_cnt;
282 uint16_t fc_adisc_cnt;
283 uint16_t fc_reglogin_cnt;
284 uint16_t fc_prli_cnt;
285 uint16_t fc_unmap_cnt;
286 uint16_t fc_map_cnt;
287 uint16_t fc_npr_cnt;
288 uint16_t fc_unused_cnt;
289 struct serv_parm fc_sparam; /* buffer for our service parameters */
290
291 uint32_t fc_myDID; /* fibre channel S_ID */
292 uint32_t fc_prevDID; /* previous fibre channel S_ID */
293
294 int32_t stopped; /* HBA has not been restarted since last ERATT */
295 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
296
297 uint32_t num_disc_nodes; /*in addition to hba_state */
298
299 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
300 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
301 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
302 struct lpfc_name fc_nodename; /* fc nodename */
303 struct lpfc_name fc_portname; /* fc portname */
304
305 struct lpfc_work_evt disc_timeout_evt;
306
307 struct timer_list fc_disctmo; /* Discovery rescue timer */
308 uint8_t fc_ns_retry; /* retries for fabric nameserver */
309 uint32_t fc_prli_sent; /* cntr for outstanding PRLIs */
310
311 spinlock_t work_port_lock;
312 uint32_t work_port_events; /* Timeout to be handled */
313 #define WORKER_DISC_TMO 0x1 /* vport: Discovery timeout */
314 #define WORKER_ELS_TMO 0x2 /* vport: ELS timeout */
315 #define WORKER_FDMI_TMO 0x4 /* vport: FDMI timeout */
316
317 #define WORKER_MBOX_TMO 0x100 /* hba: MBOX timeout */
318 #define WORKER_HB_TMO 0x200 /* hba: Heart beat timeout */
319 #define WORKER_FABRIC_BLOCK_TMO 0x400 /* hba: fabric block timout */
320 #define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
321 #define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
322
323 struct timer_list fc_fdmitmo;
324 struct timer_list els_tmofunc;
325
326 int unreg_vpi_cmpl;
327
328 uint8_t load_flag;
329 #define FC_LOADING 0x1 /* HBA in process of loading drvr */
330 #define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
331 char *vname; /* Application assigned name */
332 struct fc_vport *fc_vport;
333
334 #ifdef CONFIG_LPFC_DEBUG_FS
335 struct dentry *debug_disc_trc;
336 struct dentry *debug_nodelist;
337 struct dentry *vport_debugfs_root;
338 struct lpfc_debugfs_trc *disc_trc;
339 atomic_t disc_trc_cnt;
340 #endif
341 /* Vport Config Parameters */
342 uint32_t cfg_scan_down;
343 uint32_t cfg_lun_queue_depth;
344 uint32_t cfg_nodev_tmo;
345 uint32_t cfg_devloss_tmo;
346 uint32_t cfg_restrict_login;
347 uint32_t cfg_peer_port_login;
348 uint32_t cfg_fcp_class;
349 uint32_t cfg_use_adisc;
350 uint32_t cfg_fdmi_on;
351 uint32_t cfg_discovery_threads;
352 uint32_t cfg_max_luns;
353
354 uint32_t dev_loss_tmo_changed;
355 };
356
357 struct hbq_s {
358 uint16_t entry_count; /* Current number of HBQ slots */
359 uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */
360 uint32_t hbqPutIdx; /* HBQ slot to use */
361 uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
362 };
363
364 #define LPFC_MAX_HBQS 16
365 /* this matches the possition in the lpfc_hbq_defs array */
366 #define LPFC_ELS_HBQ 0
367
368 struct lpfc_hba {
369 struct lpfc_sli sli;
370 uint32_t sli_rev; /* SLI2 or SLI3 */
371 uint32_t sli3_options; /* Mask of enabled SLI3 options */
372 #define LPFC_SLI3_ENABLED 0x01
373 #define LPFC_SLI3_HBQ_ENABLED 0x02
374 #define LPFC_SLI3_NPIV_ENABLED 0x04
375 #define LPFC_SLI3_VPORT_TEARDOWN 0x08
376 uint32_t iocb_cmd_size;
377 uint32_t iocb_rsp_size;
378
379 enum hba_state link_state;
380 uint32_t link_flag; /* link state flags */
381 #define LS_LOOPBACK_MODE 0x1 /* NPort is in Loopback mode */
382 /* This flag is set while issuing */
383 /* INIT_LINK mailbox command */
384 #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
385 #define LS_IGNORE_ERATT 0x3 /* intr handler should ignore ERATT */
386
387 struct lpfc_sli2_slim *slim2p;
388 struct lpfc_dmabuf hbqslimp;
389
390 dma_addr_t slim2p_mapping;
391
392 uint16_t pci_cfg_value;
393
394 uint8_t work_found;
395 #define LPFC_MAX_WORKER_ITERATION 4
396
397 uint8_t fc_linkspeed; /* Link speed after last READ_LA */
398
399 uint32_t fc_eventTag; /* event tag for link attention */
400
401
402 struct timer_list fc_estabtmo; /* link establishment timer */
403 /* These fields used to be binfo */
404 uint32_t fc_pref_DID; /* preferred D_ID */
405 uint8_t fc_pref_ALPA; /* preferred AL_PA */
406 uint32_t fc_edtov; /* E_D_TOV timer value */
407 uint32_t fc_arbtov; /* ARB_TOV timer value */
408 uint32_t fc_ratov; /* R_A_TOV timer value */
409 uint32_t fc_rttov; /* R_T_TOV timer value */
410 uint32_t fc_altov; /* AL_TOV timer value */
411 uint32_t fc_crtov; /* C_R_TOV timer value */
412 uint32_t fc_citov; /* C_I_TOV timer value */
413
414 struct serv_parm fc_fabparam; /* fabric service parameters buffer */
415 uint8_t alpa_map[128]; /* AL_PA map from READ_LA */
416
417 uint32_t lmt;
418
419 uint32_t fc_topology; /* link topology, from LINK INIT */
420
421 struct lpfc_stats fc_stat;
422
423 struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
424 uint32_t nport_event_cnt; /* timestamp for nlplist entry */
425
426 uint8_t wwnn[8];
427 uint8_t wwpn[8];
428 uint32_t RandomData[7];
429
430 /* HBA Config Parameters */
431 uint32_t cfg_ack0;
432 uint32_t cfg_npiv_enable;
433 uint32_t cfg_topology;
434 uint32_t cfg_link_speed;
435 uint32_t cfg_cr_delay;
436 uint32_t cfg_cr_count;
437 uint32_t cfg_multi_ring_support;
438 uint32_t cfg_multi_ring_rctl;
439 uint32_t cfg_multi_ring_type;
440 uint32_t cfg_poll;
441 uint32_t cfg_poll_tmo;
442 uint32_t cfg_use_msi;
443 uint32_t cfg_sg_seg_cnt;
444 uint32_t cfg_sg_dma_buf_size;
445 uint64_t cfg_soft_wwnn;
446 uint64_t cfg_soft_wwpn;
447 uint32_t cfg_hba_queue_depth;
448
449 /* Config paramters that should be in the vport */
450 uint32_t cfg_log_verbose;
451
452 lpfc_vpd_t vpd; /* vital product data */
453
454 struct pci_dev *pcidev;
455 struct list_head work_list;
456 uint32_t work_ha; /* Host Attention Bits for WT */
457 uint32_t work_ha_mask; /* HA Bits owned by WT */
458 uint32_t work_hs; /* HS stored in case of ERRAT */
459 uint32_t work_status[2]; /* Extra status from SLIM */
460
461 wait_queue_head_t *work_wait;
462 struct task_struct *worker_thread;
463
464 struct list_head hbq_buffer_list;
465 uint32_t hbq_count; /* Count of configured HBQs */
466 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
467
468 unsigned long pci_bar0_map; /* Physical address for PCI BAR0 */
469 unsigned long pci_bar2_map; /* Physical address for PCI BAR2 */
470 void __iomem *slim_memmap_p; /* Kernel memory mapped address for
471 PCI BAR0 */
472 void __iomem *ctrl_regs_memmap_p;/* Kernel memory mapped address for
473 PCI BAR2 */
474
475 void __iomem *MBslimaddr; /* virtual address for mbox cmds */
476 void __iomem *HAregaddr; /* virtual address for host attn reg */
477 void __iomem *CAregaddr; /* virtual address for chip attn reg */
478 void __iomem *HSregaddr; /* virtual address for host status
479 reg */
480 void __iomem *HCregaddr; /* virtual address for host ctl reg */
481
482 struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
483 uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */
484 uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */
485
486 int brd_no; /* FC board number */
487
488 char SerialNumber[32]; /* adapter Serial Number */
489 char OptionROMVersion[32]; /* adapter BIOS / Fcode version */
490 char ModelDesc[256]; /* Model Description */
491 char ModelName[80]; /* Model Name */
492 char ProgramType[256]; /* Program Type */
493 char Port[20]; /* Port No */
494 uint8_t vpd_flag; /* VPD data flag */
495
496 #define VPD_MODEL_DESC 0x1 /* valid vpd model description */
497 #define VPD_MODEL_NAME 0x2 /* valid vpd model name */
498 #define VPD_PROGRAM_TYPE 0x4 /* valid vpd program type */
499 #define VPD_PORT 0x8 /* valid vpd port data */
500 #define VPD_MASK 0xf /* mask for any vpd data */
501
502 uint8_t soft_wwn_enable;
503
504 struct timer_list fcp_poll_timer;
505
506 /*
507 * stat counters
508 */
509 uint64_t fc4InputRequests;
510 uint64_t fc4OutputRequests;
511 uint64_t fc4ControlRequests;
512
513 struct lpfc_sysfs_mbox sysfs_mbox;
514
515 /* fastpath list. */
516 spinlock_t scsi_buf_list_lock;
517 struct list_head lpfc_scsi_buf_list;
518 uint32_t total_scsi_bufs;
519 struct list_head lpfc_iocb_list;
520 uint32_t total_iocbq_bufs;
521 spinlock_t hbalock;
522
523 /* pci_mem_pools */
524 struct pci_pool *lpfc_scsi_dma_buf_pool;
525 struct pci_pool *lpfc_mbuf_pool;
526 struct pci_pool *lpfc_hbq_pool;
527 struct lpfc_dma_pool lpfc_mbuf_safety_pool;
528
529 mempool_t *mbox_mem_pool;
530 mempool_t *nlp_mem_pool;
531
532 struct fc_host_statistics link_stats;
533
534 struct list_head port_list;
535 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
536 uint16_t max_vpi; /* Maximum virtual nports */
537 #define LPFC_MAX_VPI 100 /* Max number of VPI supported */
538 #define LPFC_MAX_VPORTS (LPFC_MAX_VPI+1)/* Max number of VPorts supported */
539 unsigned long *vpi_bmask; /* vpi allocation table */
540
541 /* Data structure used by fabric iocb scheduler */
542 struct list_head fabric_iocb_list;
543 atomic_t fabric_iocb_count;
544 struct timer_list fabric_block_timer;
545 unsigned long bit_flags;
546 #define FABRIC_COMANDS_BLOCKED 0
547 atomic_t num_rsrc_err;
548 atomic_t num_cmd_success;
549 unsigned long last_rsrc_error_time;
550 unsigned long last_ramp_down_time;
551 unsigned long last_ramp_up_time;
552 #ifdef CONFIG_LPFC_DEBUG_FS
553 struct dentry *hba_debugfs_root;
554 atomic_t debugfs_vport_count;
555 struct dentry *debug_dumpslim;
556 struct dentry *debug_slow_ring_trc;
557 struct lpfc_debugfs_trc *slow_ring_trc;
558 atomic_t slow_ring_trc_cnt;
559 #endif
560
561 /* Fields used for heart beat. */
562 unsigned long last_completion_time;
563 struct timer_list hb_tmofunc;
564 uint8_t hb_outstanding;
565 };
566
567 static inline struct Scsi_Host *
568 lpfc_shost_from_vport(struct lpfc_vport *vport)
569 {
570 return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
571 }
572
573 static inline void
574 lpfc_set_loopback_flag(struct lpfc_hba *phba)
575 {
576 if (phba->cfg_topology == FLAGS_LOCAL_LB)
577 phba->link_flag |= LS_LOOPBACK_MODE;
578 else
579 phba->link_flag &= ~LS_LOOPBACK_MODE;
580 }
581
582 static inline int
583 lpfc_is_link_up(struct lpfc_hba *phba)
584 {
585 return phba->link_state == LPFC_LINK_UP ||
586 phba->link_state == LPFC_CLEAR_LA ||
587 phba->link_state == LPFC_HBA_READY;
588 }
589
590 #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */
591
kernel source for telekom puls (alcatel/mediatek)