ZFCP HBA API Library  1
vlib.h
Go to the documentation of this file.
1 /*
2  * Copyright IBM Corp. 2003,2010
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Common Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.ibm.com/developerworks/library/os-cpl.html
7  *
8  * Authors: Andreas Herrmann
9  * Stefan Voelkel
10  * Sven Schuetz <sven@de.ibm.com>
11  *
12  * File: vlib.h
13  *
14  * Description:
15  * Contains typedefs, structure definitions, some inline functions and macros
16  * needed in the library.
17  *
18  */
19 
20 #ifndef _VLIB_H_
21 #define _VLIB_H_
22 
126 #include "config.h"
127 
129 #define _GNU_SOURCE
130 
131 #include <execinfo.h>
132 #include <stdlib.h>
133 #include <string.h>
134 #include <stdarg.h>
135 #include <unistd.h>
136 #include <stdio.h>
137 #include <sys/types.h>
138 #include <sys/stat.h>
139 #include <sys/ioctl.h>
140 #include <sys/time.h>
141 #include <fcntl.h>
142 #include <signal.h>
143 #include <errno.h>
144 #include <pthread.h>
145 #include <signal.h>
146 #include <time.h>
147 #include <stdint.h>
148 #include <dirent.h>
149 #include <sys/socket.h>
150 #include <linux/netlink.h>
151 #include <scsi/scsi_netlink_fc.h>
152 #include <dirent.h>
153 
154 #include <hbaapi.h>
155 
156 
157 #ifdef HBAAPI_VENDOR_LIB /* compile as vendor specific library */
158 /*
159  * prototypes for vendor libraries
160  */
161 
162 /* library control */
163 typedef HBA_UINT32(*HBAGetVersionFunc)(void);
164 typedef HBA_STATUS(*HBALoadLibraryFunc)(void);
165 typedef HBA_STATUS(*HBAFreeLibraryFunc)(void);
166 typedef HBA_UINT32(*HBAGetVendorLibraryAttributesFunc)(HBA_LIBRARYATTRIBUTES *);
167 typedef HBA_UINT32(*HBAGetNumberOfAdaptersFunc)(void);
168 typedef void(*HBARefreshInformationFunc)(HBA_HANDLE);
169 typedef void(*HBARefreshAdapterConfigurationFunc)(void);
170 typedef void(*HBAResetStatisticsFunc)(HBA_HANDLE, HBA_UINT32);
171 
172 /* adapter and port information */
173 typedef HBA_STATUS(*HBAGetAdapterNameFunc)(HBA_UINT32, char *);
174 typedef HBA_HANDLE(*HBAOpenAdapterFunc)(char *);
175 typedef HBA_STATUS(*HBAOpenAdapterByWWNFunc)(HBA_HANDLE *, HBA_WWN);
176 typedef void(*HBACloseAdapterFunc)(HBA_HANDLE);
177 typedef HBA_STATUS(*HBAGetAdapterAttributesFunc)
178  (HBA_HANDLE, HBA_ADAPTERATTRIBUTES *);
179 typedef HBA_STATUS(*HBAGetAdapterPortAttributesFunc)
180  (HBA_HANDLE, HBA_UINT32, HBA_PORTATTRIBUTES *);
181 typedef HBA_STATUS(*HBAGetDiscoveredPortAttributesFunc)
182  (HBA_HANDLE, HBA_UINT32, HBA_UINT32, HBA_PORTATTRIBUTES *);
183 typedef HBA_STATUS(*HBAGetPortAttributesByWWNFunc)
184  (HBA_HANDLE, HBA_WWN, HBA_PORTATTRIBUTES *);
185 typedef HBA_STATUS(*HBAGetPortStatisticsFunc)
186  (HBA_HANDLE, HBA_UINT32, HBA_PORTSTATISTICS *);
187 typedef HBA_STATUS(*HBAGetFC4StatisticsFunc)
188  (HBA_HANDLE, HBA_WWN, HBA_UINT8, HBA_FC4STATISTICS *);
189 
190 /* FCP information */
191 typedef HBA_STATUS(*HBAGetBindingCapabilityFunc)
192  (HBA_HANDLE, HBA_WWN, HBA_BIND_CAPABILITY *);
193 typedef HBA_STATUS(*HBAGetBindingSupportFunc)
194  (HBA_HANDLE, HBA_WWN, HBA_BIND_CAPABILITY *);
195 typedef HBA_STATUS(*HBASetBindingSupportFunc)
196  (HBA_HANDLE, HBA_WWN, HBA_BIND_CAPABILITY);
197 typedef HBA_STATUS(*HBAGetFcpTargetMappingFunc)
198  (HBA_HANDLE, HBA_FCPTARGETMAPPING *);
199 typedef HBA_STATUS(*HBAGetFcpTargetMappingV2Func)
200  (HBA_HANDLE, HBA_WWN, HBA_FCPTARGETMAPPINGV2 *);
201 typedef HBA_STATUS(*HBAGetFcpPersistentBindingFunc)
202  (HBA_HANDLE, HBA_FCPBINDING *);
203 typedef HBA_STATUS(*HBAGetPersistentBindingV2Func)
204  (HBA_HANDLE, HBA_WWN, HBA_FCPBINDING2 *);
205 typedef HBA_STATUS(*HBASetPersistentBindingV2Func)
206  (HBA_HANDLE, HBA_WWN, HBA_FCPBINDING2 *);
207 typedef HBA_STATUS(*HBARemovePersistentBindingFunc)
208  (HBA_HANDLE, HBA_WWN, HBA_FCPBINDING2 *);
209 typedef HBA_STATUS(*HBARemoveAllPersistentBindingsFunc)(HBA_HANDLE, HBA_WWN);
210 typedef HBA_STATUS(*HBAGetFCPStatisticsFunc)
211  (HBA_HANDLE, const HBA_SCSIID *, HBA_FC4STATISTICS *);
212 
213 /* SCSI information */
214 typedef HBA_STATUS(*HBASendScsiInquiryFunc)
215  (HBA_HANDLE, HBA_WWN, HBA_UINT64, HBA_UINT8, HBA_UINT32, void *,
216  HBA_UINT32, void *, HBA_UINT32);
217 typedef HBA_STATUS(*HBAScsiInquiryV2Func)
218  (HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_UINT64, HBA_UINT8, HBA_UINT8, void *,
219  HBA_UINT32 *, HBA_UINT8 *, void *, HBA_UINT32 *);
220 typedef HBA_STATUS(*HBASendReportLUNsFunc)
221  (HBA_HANDLE, HBA_WWN, void *, HBA_UINT32, void *, HBA_UINT32);
222 typedef HBA_STATUS(*HBAScsiReportLUNsV2Func)
223  (HBA_HANDLE, HBA_WWN, HBA_WWN, void *, HBA_UINT32 *, HBA_UINT8 *, void *,
224  HBA_UINT32 *);
225 typedef HBA_STATUS(*HBASendReadCapacityFunc)
226  (HBA_HANDLE, HBA_WWN, HBA_UINT64, void *, HBA_UINT32, void *, HBA_UINT32);
227 typedef HBA_STATUS(*HBAScsiReadCapacityV2Func)
228  (HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_UINT64, void *, HBA_UINT32 *,
229  HBA_UINT8 *, void *, HBA_UINT32 *);
230 
231 /* fabric management */
232 typedef HBA_STATUS(*HBASendCTPassThruFunc)
233  (HBA_HANDLE, void *, HBA_UINT32, void *, HBA_UINT32);
234 typedef HBA_STATUS(*HBASendCTPassThruV2Func)
235  (HBA_HANDLE, HBA_WWN, void *, HBA_UINT32, void *, HBA_UINT32 *);
236 typedef HBA_STATUS(*HBASetRNIDMgmtInfoFunc)(HBA_HANDLE, HBA_MGMTINFO *);
237 typedef HBA_STATUS(*HBAGetRNIDMgmtInfoFunc)(HBA_HANDLE, HBA_MGMTINFO *);
238 typedef HBA_STATUS(*HBASendRNIDFunc)
239  (HBA_HANDLE, HBA_WWN, HBA_WWNTYPE, void *, HBA_UINT32 *);
240 typedef HBA_STATUS(*HBASendRNIDV2Func)
241  (HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_UINT32, HBA_UINT32, void *,
242  HBA_UINT32 *);
243 typedef HBA_STATUS(*HBASendRPLFunc)
244  (HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_UINT32, HBA_UINT32, void *,
245  HBA_UINT32 *);
246 typedef HBA_STATUS(*HBASendRPSFunc)
247  (HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_UINT32, HBA_WWN, HBA_UINT32, void *,
248  HBA_UINT32 *);
249 typedef HBA_STATUS(*HBASendSRLFunc)
250  (HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_UINT32, void *, HBA_UINT32 *);
251 typedef HBA_STATUS(*HBASendLIRRFunc)
252  (HBA_HANDLE, HBA_WWN, HBA_WWN, HBA_UINT8, HBA_UINT8, void *, HBA_UINT32 *);
253 typedef HBA_STATUS(*HBASendRLSFunc)
254  (HBA_HANDLE, HBA_WWN, HBA_WWN, void *, HBA_UINT32 *);
255 
256 /* event handling */
257 typedef HBA_STATUS(*HBAGetEventBufferFunc)
258  (HBA_HANDLE, HBA_EVENTINFO *, HBA_UINT32 *);
259 typedef HBA_STATUS(*HBARegisterForAdapterAddEventsFunc)
260  (void (*)(void *, HBA_WWN, HBA_UINT32), void *, HBA_CALLBACKHANDLE *);
261 typedef HBA_STATUS(*HBARegisterForAdapterEventsFunc)
262  (void (*)(void *, HBA_WWN, HBA_UINT32), void *, HBA_HANDLE,
263  HBA_CALLBACKHANDLE *);
264 typedef HBA_STATUS(*HBARegisterForAdapterPortEventsFunc)
265  (void (*)(void *, HBA_WWN, HBA_UINT32, HBA_UINT32), void *, HBA_HANDLE,
266  HBA_WWN, HBA_CALLBACKHANDLE *);
267 typedef HBA_STATUS(*HBARegisterForAdapterPortStatEventsFunc)
268  (void (*)(void *, HBA_WWN, HBA_UINT32), void *, HBA_HANDLE, HBA_WWN,
269  HBA_PORTSTATISTICS, HBA_UINT32, HBA_CALLBACKHANDLE *);
270 typedef HBA_STATUS(*HBARegisterForTargetEventsFunc)
271  (void (*)(void *, HBA_WWN, HBA_WWN, HBA_UINT32), void *, HBA_HANDLE,
272  HBA_WWN, HBA_WWN, HBA_CALLBACKHANDLE *, HBA_UINT32);
273 typedef HBA_STATUS(*HBARegisterForLinkEventsFunc)
274  (void (*)(void *, HBA_WWN, HBA_UINT32, void *, HBA_UINT32), void *,
275  void *, HBA_UINT32, HBA_HANDLE, HBA_CALLBACKHANDLE *);
276 typedef HBA_STATUS(*HBARemoveCallbackFunc)(HBA_CALLBACKHANDLE);
277 
278 /* libraries with support for HBA API Phase 1 and 2 must provide both structs,
279  HBA_EntryPoints and HBA_EntryPoints2 */
280 typedef struct HBA_EntryPoints {
281  HBAGetVersionFunc GetVersionHandler;
282  HBALoadLibraryFunc LoadLibraryHandler;
283  HBAFreeLibraryFunc FreeLibraryHandler;
284  HBAGetNumberOfAdaptersFunc GetNumberOfAdaptersHandler;
285  HBAGetAdapterNameFunc GetAdapterNameHandler;
286  HBAOpenAdapterFunc OpenAdapterHandler;
287  HBACloseAdapterFunc CloseAdapterHandler;
288  HBAGetAdapterAttributesFunc GetAdapterAttributesHandler;
289  HBAGetAdapterPortAttributesFunc GetAdapterPortAttributesHandler;
290  HBAGetPortStatisticsFunc GetPortStatisticsHandler;
291  HBAGetDiscoveredPortAttributesFunc
292  GetDiscoveredPortAttributesHandler;
293  HBAGetPortAttributesByWWNFunc GetPortAttributesByWWNHandler;
294  HBASendCTPassThruFunc SendCTPassThruHandler;
295  HBARefreshInformationFunc RefreshInformationHandler;
296  HBAResetStatisticsFunc ResetStatisticsHandler;
297  HBAGetFcpTargetMappingFunc GetFcpTargetMappingHandler;
298  HBAGetFcpPersistentBindingFunc GetFcpPersistentBindingHandler;
299  HBAGetEventBufferFunc GetEventBufferHandler;
300  HBASetRNIDMgmtInfoFunc SetRNIDMgmtInfoHandler;
301  HBAGetRNIDMgmtInfoFunc GetRNIDMgmtInfoHandler;
302  HBASendRNIDFunc SendRNIDHandler;
303  HBASendScsiInquiryFunc ScsiInquiryHandler;
304  HBASendReportLUNsFunc ReportLUNsHandler;
305  HBASendReadCapacityFunc ReadCapacityHandler;
306 } HBA_ENTRYPOINTS;
307 
308 HBA_STATUS HBA_RegisterLibrary(HBA_ENTRYPOINTS *);
309 
310 typedef struct HBA_EntryPointsV2 {
311  HBAGetVersionFunc GetVersionHandler;
312  HBALoadLibraryFunc LoadLibraryHandler;
313  HBAFreeLibraryFunc FreeLibraryHandler;
314  HBAGetNumberOfAdaptersFunc GetNumberOfAdaptersHandler;
315  HBAGetAdapterNameFunc GetAdapterNameHandler;
316  HBAOpenAdapterFunc OpenAdapterHandler;
317  HBACloseAdapterFunc CloseAdapterHandler;
318  HBAGetAdapterAttributesFunc GetAdapterAttributesHandler;
319  HBAGetAdapterPortAttributesFunc GetAdapterPortAttributesHandler;
320  HBAGetPortStatisticsFunc GetPortStatisticsHandler;
321  HBAGetDiscoveredPortAttributesFunc
322  GetDiscoveredPortAttributesHandler;
323  HBAGetPortAttributesByWWNFunc GetPortAttributesByWWNHandler;
324  HBASendCTPassThruFunc SendCTPassThruHandler;
325  HBARefreshInformationFunc RefreshInformationHandler;
326  HBAResetStatisticsFunc ResetStatisticsHandler;
327  HBAGetFcpTargetMappingFunc GetFcpTargetMappingHandler;
328  HBAGetFcpPersistentBindingFunc GetFcpPersistentBindingHandler;
329  HBAGetEventBufferFunc GetEventBufferHandler;
330  HBASetRNIDMgmtInfoFunc SetRNIDMgmtInfoHandler;
331  HBAGetRNIDMgmtInfoFunc GetRNIDMgmtInfoHandler;
332  HBASendRNIDFunc SendRNIDHandler;
333  HBASendScsiInquiryFunc ScsiInquiryHandler;
334  HBASendReportLUNsFunc ReportLUNsHandler;
335  HBASendReadCapacityFunc ReadCapacityHandler;
336  HBAOpenAdapterByWWNFunc OpenAdapterByWWNHandler;
337  HBAGetFcpTargetMappingV2Func GetFcpTargetMappingV2Handler;
338  HBASendCTPassThruV2Func SendCTPassThruV2Handler;
339  HBARefreshAdapterConfigurationFunc RefreshAdapterConfigurationHandler;
340  HBAGetBindingCapabilityFunc GetBindingCapabilityHandler;
341  HBAGetBindingSupportFunc GetBindingSupportHandler;
342  HBASetBindingSupportFunc SetBindingSupportHandler;
343  HBASetPersistentBindingV2Func SetPersistentBindingV2Handler;
344  HBAGetPersistentBindingV2Func GetPersistentBindingV2Handler;
345  HBARemovePersistentBindingFunc RemovePersistentBindingHandler;
346  HBARemoveAllPersistentBindingsFunc
347  RemoveAllPersistentBindingsHandler;
348  HBASendRNIDV2Func SendRNIDV2Handler;
349  HBAScsiInquiryV2Func ScsiInquiryV2Handler;
350  HBAScsiReportLUNsV2Func ScsiReportLUNsV2Handler;
351  HBAScsiReadCapacityV2Func ScsiReadCapacityV2Handler;
352  HBAGetVendorLibraryAttributesFunc
353  GetVendorLibraryAttributesHandler;
354  HBARemoveCallbackFunc RemoveCallbackHandler;
355  HBARegisterForAdapterAddEventsFunc
356  RegisterForAdapterAddEventsHandler;
357  HBARegisterForAdapterEventsFunc RegisterForAdapterEventsHandler;
358  HBARegisterForAdapterPortEventsFunc
359  RegisterForAdapterPortEventsHandler;
360  HBARegisterForAdapterPortStatEventsFunc
361  RegisterForAdapterPortStatEventsHandler;
362  HBARegisterForTargetEventsFunc RegisterForTargetEventsHandler;
363  HBARegisterForLinkEventsFunc RegisterForLinkEventsHandler;
364  HBASendRPLFunc SendRPLHandler;
365  HBASendRPSFunc SendRPSHandler;
366  HBASendSRLFunc SendSRLHandler;
367  HBASendLIRRFunc SendLIRRHandler;
368  HBAGetFC4StatisticsFunc GetFC4StatisticsHandler;
369  HBAGetFCPStatisticsFunc GetFCPStatisticsHandler;
370  HBASendRLSFunc SendRLSHandler;
371 } HBA_ENTRYPOINTSV2;
372 
373 HBA_STATUS HBA_RegisterLibraryV2(HBA_ENTRYPOINTSV2 *);
374 
375 #endif /* HBAAPI_VENDOR_LIB */
376 
378 #define HBAAPI_LIBRARY_VERSION 2
379 
382 #define HBAAPI_LIBRARY_FINAL 0
383 
385 #define HBAAPI_LIBRARY_REVISION VERSION
386 
388 #define VLIB_ENV_LOG_LEVEL "LIB_ZFCP_HBAAPI_LOG_LEVEL"
389 
391 #define VLIB_ENV_LOG_FILE "LIB_ZFCP_HBAAPI_LOG_FILE"
392 
394 #define VLIB_ADAPTERNAME_PREFIX "com.ibm-FICON-FCP-"
395 
397 #define VLIB_ADAPTERNAME_LEN 256
398 
400 #define VLIB_INVALID_HANDLE 0
401 
403 #define REPORTLUNS_WLUN 0xc101000000000000
404 #define REPORTLUNS_WLUN_DEC 49409
405 
406 typedef uint64_t devid_t;
407 typedef uint64_t wwn_t;
408 typedef uint32_t fc_id_t;
409 typedef uint64_t fcp_lun_t;
410 
412 struct vlib_event {
413  HBA_EVENTINFO hbaapi_event;
414  struct vlib_event *next;
415 };
416 
419  unsigned int slots_used;
420  struct vlib_event *first;
421  struct vlib_event *last;
422 };
423 
425 struct block {
426  void *data;
427  size_t used;
428  size_t allocated;
429 };
430 
432 struct vlib_unit {
433  unsigned int isInvalid:1;
434  unsigned int host;
435  unsigned int channel;
436  unsigned int target;
437  unsigned int lun;
438  uint64_t fcLun;
439  char sg_dev[16];
440 };
441 
443 struct vlib_port {
444  unsigned int isInvalid:1;
445  wwn_t wwpn;
446  wwn_t wwnn;
447  fc_id_t did;
448  struct block units;
449  char name[32];
451  unsigned int host;
452  unsigned int channel;
453  unsigned int target;
454 };
455 
458  devid_t devid;
459  wwn_t wwnn;
460  wwn_t wwpn;
461  unsigned short host;
462  fc_id_t did;
463  char bus_dev_name[9];
466  char class_dev_name[9];
469  char sysfsPath[PATH_MAX];
471 };
472 
474 struct vlib_adapter {
475  unsigned int isInvalid:1;
477  HBA_HANDLE handle;
478  struct block ports;
481 };
482 
484 struct vlib_data {
485  unsigned int isLoaded:1;
486  unsigned int unloading:1;
487  unsigned int isValid:1;
490  int loglevel;
492  FILE *errfp;
494  struct block adapters;
497  pthread_t id;
499  pthread_mutex_t mutex;
500 };
501 
511 extern struct vlib_data vlib_data;
512 
514 static inline void vlib_print_error(int errnum, const char *function,
515  const char *file, int line,
516  char *fmt, ...)
517 {
518  char buffer[256];
519  va_list ap;
520 
521  if (0 == vlib_data.loglevel)
522  return;
523 
524  fprintf(vlib_data.errfp, "(%s:%d)%s: ", file, line, function);
525 
526  va_start(ap, fmt);
527  vfprintf(vlib_data.errfp, fmt, ap);
528  va_end(ap);
529 
530  if (errnum != 0) {
531  fprintf(vlib_data.errfp, ": %s\n",
532  strerror_r(errnum, buffer, 256));
533  }
534 }
535 
538 #define VLIB_PERROR(errnum, fmt, args...) \
539 vlib_print_error(errnum, __func__, __FILE__, __LINE__, fmt, ##args)
540 
542 #define VLIB_LOG(fmt, args...) \
543 vlib_print_error(0, __func__, __FILE__, __LINE__, fmt, ##args)
544 
550 #ifdef HBAAPI_BACKTRACE
551 #define BT_SIZE 50
552 static inline void vlib_bt(void)
553 {
554  int num;
555  void *array[BT_SIZE] = { 0 };
556 
557  num = backtrace(array, BT_SIZE);
558  backtrace_symbols_fd(array, num, fileno(stderr));
559 }
560 #else
561 #define vlib_bt()
562 #endif
563 
571 #define VLIB_MUTEX_LOCK(mutex) \
572 do { \
573  int __ret; \
574  __ret = pthread_mutex_lock(mutex); \
575  if (__ret == EDEADLK) { \
576  VLIB_LOG("BUG: VLIB_MUTEX_LOCK: deadlock detected!\n"); \
577  vlib_bt(); \
578  exit(1); \
579  } else if (__ret == EINVAL) { \
580  VLIB_LOG("BUG: VLIB_MUTEX_LOCK: mutex not properly " \
581  "initialized\n"); \
582  vlib_bt(); \
583  exit(1); \
584  } \
585 } while (0)
586 
594 #define VLIB_MUTEX_UNLOCK(mutex) \
595 do { \
596  int __ret; \
597  __ret = pthread_mutex_unlock(mutex); \
598  if (__ret == EPERM) { \
599  VLIB_LOG("BUG: VLIB_MUTEX_UNLOCK: thread does not own " \
600  "mutex!\n"); \
601  vlib_bt(); \
602  exit(1); \
603  } else if (__ret == EINVAL) { \
604  VLIB_LOG("BUG: VLIB_MUTEX_UNLOCK: " \
605  "mutex not properly initialized\n"); \
606  vlib_bt(); \
607  exit(1); \
608  } \
609 } while (0)
610 
611 /* Include auxiliary stuff, like inline and helper functions etc. */
612 #include "vlib_aux.h"
613 #include "vlib_sysfs.h"
614 #include "vlib_sg.h"
615 #include "vlib_sg_io.h"
616 #include "vlib_events.h"
617 #include "vlib_sfhelper.h"
618 
619 #endif /* _VLIB_H_ */
static void vlib_print_error(int errnum, const char *function, const char *file, int line, char *fmt,...)
This is a wrapper for the usage of strerror_r().
Definition: vlib.h:514
char sysfsPath[PATH_MAX]
path of adapter in sysfs in the form /sys/devices/css0/0.0.0010/0.0.5923
Definition: vlib.h:469
size_t allocated
total number of elements in the array
Definition: vlib.h:428
char name[32]
name as in sysfs under fc_remote_ports
Definition: vlib.h:449
unsigned int target
SCSI id.
Definition: vlib.h:436
char bus_dev_name[9]
name of device as in /sys/bus/ccw/drivers/zfcp in the form "x.x.xxxx"
Definition: vlib.h:463
Event queue data structure used in the library.
Definition: vlib.h:418
Primary data structure used in the library.
Definition: vlib.h:484
wwn_t wwnn
WWNN of the port.
Definition: vlib.h:446
fc_id_t did
FC did of the port.
Definition: vlib.h:462
wwn_t wwpn
WWPN of the port.
Definition: vlib.h:445
FILE * errfp
file used for logging Default is stderr.
Definition: vlib.h:492
char class_dev_name[9]
name of device as in /sys/class/fc_host in the form "hostxxxx"
Definition: vlib.h:466
Configuration header file after configure script was run.
unsigned int isInvalid
Adapter invalid or not.
Definition: vlib.h:475
struct block ports
List of ports.
Definition: vlib.h:478
Auxiliary functions used in the library.
void * data
pointer to an array
Definition: vlib.h:426
pthread_t id
Pthread ID of event handling thread.
Definition: vlib.h:497
struct vlib_event_queue free_event_list
Free slots.
Definition: vlib.h:480
HBA_HANDLE handle
Handle for this adapter.
Definition: vlib.h:477
fc_id_t did
FC did of the port.
Definition: vlib.h:447
unsigned int isValid
Repositoy valid or not This flag is set for instance if a loss of events is detected.
Definition: vlib.h:487
size_t used
number of used elements in the array
Definition: vlib.h:427
uint64_t fcLun
FCP LUN.
Definition: vlib.h:438
unsigned int isInvalid
Unit invalid or not.
Definition: vlib.h:433
struct vlib_event_queue event_queue
Event queue.
Definition: vlib.h:479
int loglevel
loglevel for library Default is 0 – no logging.
Definition: vlib.h:490
struct block adapters
List of adapters In fact this is the anchor of the library&#39;s repository.
Definition: vlib.h:494
Event data structure used in the library.
Definition: vlib.h:412
wwn_t wwnn
WWN of adapter node.
Definition: vlib.h:459
unsigned int isInvalid
Port invalid or not.
Definition: vlib.h:444
wwn_t wwpn
WWN of adapter port.
Definition: vlib.h:460
unsigned int target
SCSI id.
Definition: vlib.h:453
pthread_mutex_t mutex
Protects this structure.
Definition: vlib.h:499
char sg_dev[16]
name of sg device
Definition: vlib.h:439
Block structure used to hold all needed data for growable arrays.
Definition: vlib.h:425
HBA_STATUS HBA_RegisterLibrary(HBA_ENTRYPOINTS *)
Register the functionality of FC-MI with the wrapper library.
Definition: vlib.c:220
Identification of an adapter in the library.
Definition: vlib.h:457
unsigned int host
SCSI host.
Definition: vlib.h:434
struct block units
List of units.
Definition: vlib.h:448
All calls that need the sysfs.
struct vlib_adapter_ident ident
Adapter identification.
Definition: vlib.h:476
Represenation of an adapter in the library.
Definition: vlib.h:474
unsigned int channel
SCSI channel.
Definition: vlib.h:452
unsigned int channel
SCSI channel.
Definition: vlib.h:435
unsigned int unloading
Library unloaded.
Definition: vlib.h:486
devid_t devid
Unique id for adapter device.
Definition: vlib.h:458
HBA_STATUS HBA_RegisterLibraryV2(HBA_ENTRYPOINTSV2 *)
Register the functionality of HBA API phase 2 with the wrapper library.
Definition: vlib.c:262
unsigned int lun
SCSI LUN.
Definition: vlib.h:437
C header file descriping the HBA API.
unsigned int host
SCSI host.
Definition: vlib.h:451
#define vlib_bt()
Print a stack backtrace.
Definition: vlib.h:561
Representation of a FC port in the library.
Definition: vlib.h:443
unsigned int isLoaded
Library loaded or not.
Definition: vlib.h:485
Represenation of an FCP unit in the library.
Definition: vlib.h:432
unsigned short host
SCSI host id of this adapter.
Definition: vlib.h:461