2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
11 * Information Technology Center
15 * The Andrew File System startup process. It is responsible for
16 * reading and parsing the various configuration files, starting up
17 * the kernel processes required by AFS and feeding the configuration
18 * information to the kernel.
20 * Recognized flags are:
21 * -blocks The number of blocks available in the workstation cache.
22 * -files The target number of files in the workstation cache (Default:
24 * -rootvol The name of the root volume to use.
25 * -stat The number of stat cache entries.
26 * -hosts List of servers to check for volume location info FOR THE
28 * -memcache Use an in-memory cache rather than disk.
29 * -cachedir The base directory for the workstation cache.
30 * -mountdir The directory on which the AFS is to be mounted.
31 * -confdir The configuration directory .
32 * -nosettime Don't keep checking the time to avoid drift.
34 * -debug Print out additional debugging info.
35 * -kerndev [OBSOLETE] The kernel device for AFS.
36 * -dontfork [OBSOLETE] Don't fork off as a new process.
37 * -daemons The number of background daemons to start (Default: 2).
38 * -rmtsys Also fires up an afs remote sys call (e.g. pioctl, setpag)
40 * -chunksize [n] 2^n is the chunksize to be used. 0 is default.
41 * -dcache The number of data cache entries.
42 * -biods Number of bkg I/O daemons (AIX3.1 only)
43 * -prealloc Number of preallocated "small" memory blocks
44 * -pininodes Number of inodes which can be spared from inode[] for
45 * pointing at Vfiles. If this is set too high, you may have
46 * system problems, which can only be ameliorated by changing
47 * NINODE (or equivalent) and rebuilding the kernel.
48 * This option is now disabled.
49 * -logfile Place where to put the logfile (default in <cache>/etc/AFSLog.
50 * -waitclose make close calls always synchronous (slows em down, tho)
51 * -files_per_subdir [n] number of files per cache subdir. (def=2048)
52 * -shutdown Shutdown afs daemons
53 *---------------------------------------------------------------------------*/
55 #include <afsconfig.h>
56 #include <afs/param.h>
65 #include <potpourri.h>
66 #include <afs/afsutil.h>
73 #include <sys/types.h>
80 #ifdef HAVE_SYS_PARAM_H
81 #include <sys/param.h>
84 #ifdef HAVE_SYS_FS_TYPES_H
85 #include <sys/fs_types.h>
88 #ifdef HAVE_SYS_MOUNT_H
89 #include <sys/mount.h>
92 #ifdef HAVE_SYS_FCNTL_H
93 #include <sys/fcntl.h>
96 #ifdef HAVE_SYS_MNTTAB_H
97 #include <sys/mnttab.h>
100 #ifdef HAVE_SYS_MNTENT_H
101 #include <sys/mntent.h>
108 #ifdef HAVE_SYS_MOUNT_H
109 #include <sys/mount.h>
112 #ifdef HAVE_SYS_VFS_H
124 #include <netinet/in.h>
125 #include <afs/afs_args.h>
126 #include <afs/cellconfig.h>
127 #include <afs/auth.h>
129 #include <afs/afssyscalls.h>
130 #include <afs/afsutil.h>
136 #include <libdwarf.h>
137 void set_staticaddrs(void);
138 #endif /* AFS_SGI61_ENV */
139 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
141 #include <symconst.h>
146 #ifdef AFS_LINUX20_ENV
147 #include <sys/resource.h>
151 #define MOUNT_AFS AFS_MOUNT_AFS
152 #endif /* MOUNT_AFS */
155 #include <sys/statvfs.h>
157 #if defined(AFS_SUN_ENV)
160 #if !defined(AFS_OSF_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_XBSD_ENV)
161 #include <sys/statfs.h>
169 #define CACHEINFOFILE "cacheinfo"
170 #define AFSLOGFILE "AFSLog"
171 #define DCACHEFILE "CacheItems"
172 #define VOLINFOFILE "VolumeItems"
173 #define CELLINFOFILE "CellItems"
175 #define MAXIPADDRS 1024
177 char LclCellName[64];
179 #define MAX_CACHE_LOOPS 4
182 * Internet address (old style... should be updated). This was pulled out of the old 4.2
183 * version of <netinet/in.h>, since it's still useful.
187 struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
188 struct { u_short s_w1,s_w2; } S_un_w;
191 #define s_host S_un.S_un_b.s_b2 /* host on imp */
192 #define s_net S_un.S_un_b.s_b1 /* network */
193 #define s_imp S_un.S_un_w.s_w2 /* imp */
194 #define s_impno S_un.S_un_b.s_b4 /* imp # */
195 #define s_lh S_un.S_un_b.s_b3 /* logical host */
198 #define mPrintIPAddr(ipaddr) printf("[%d.%d.%d.%d] ", \
199 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b1, \
200 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b2, \
201 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b3, \
202 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b4)
205 * Global configuration variables.
207 afs_int32 afs_shutdown = 0;
208 afs_int32 cacheBlocks; /*Num blocks in the cache*/
209 afs_int32 cacheFiles = 1000; /*Optimal # of files in workstation cache*/
210 afs_int32 cacheStatEntries = 300; /*Number of stat cache entries*/
211 char cacheBaseDir[1024]; /*Where the workstation AFS cache lives*/
212 char confDir[1024]; /*Where the workstation AFS configuration lives*/
213 char fullpn_DCacheFile[1024]; /*Full pathname of DCACHEFILE*/
214 char fullpn_VolInfoFile[1024]; /*Full pathname of VOLINFOFILE*/
215 char fullpn_CellInfoFile[1024]; /*Full pathanem of CELLINFOFILE*/
216 char fullpn_AFSLogFile[1024]; /*Full pathname of AFSLOGFILE*/
217 char fullpn_CacheInfo[1024]; /*Full pathname of CACHEINFO*/
218 char fullpn_VFile[1024]; /*Full pathname of data cache files*/
219 char *vFilePtr; /*Ptr to the number part of above pathname*/
220 int sawCacheMountDir = 0; /* from cmd line */
221 int sawCacheBaseDir = 0;
222 int sawCacheBlocks = 0;
223 int sawDCacheSize = 0;
225 char cacheMountDir[1024]; /*Mount directory for AFS*/
226 char rootVolume[64] = "root.afs"; /*AFS root volume name*/
227 afs_int32 cacheSetTime = 1; /*Keep checking time to avoid drift?*/
228 afs_int32 isHomeCell; /*Is current cell info for the home cell?*/
230 int createAndTrunc = O_RDWR | O_CREAT | O_TRUNC; /*Create & truncate on open*/
232 int createAndTrunc = O_CREAT | O_TRUNC; /*Create & truncate on open*/
234 int ownerRWmode = 0600; /*Read/write OK by owner*/
235 static int filesSet = 0; /*True if number of files explicitly set*/
236 static int nFilesPerDir = 2048; /* # files per cache dir */
237 static int nDaemons = 2; /* Number of background daemons */
238 static int chunkSize = 0; /* 2^chunkSize bytes per chunk */
239 static int dCacheSize = 300; /* # of dcache entries */
240 static int vCacheSize = 50; /* # of volume cache entries */
241 static int rootVolSet = 0; /*True if root volume name explicitly set*/
242 int addrNum; /*Cell server address index being printed*/
243 static int cacheFlags = 0; /*Flags to cache manager*/
244 static int nBiods = 5; /* AIX3.1 only */
245 static int preallocs = 400; /* Def # of allocated memory blocks */
246 static int enable_peer_stats = 0; /* enable rx stats */
247 static int enable_process_stats = 0; /* enable rx stats */
249 static int enable_afsdb = 0; /* enable AFSDB support */
251 static int enable_dynroot = 0; /* enable dynroot support */
252 static int enable_fakestat = 0; /* enable fakestat support */
254 static int inodes = 60; /* VERY conservative, but has to be */
256 int afsd_verbose = 0; /*Are we being chatty?*/
257 int afsd_debug = 0; /*Are we printing debugging info?*/
258 int afsd_CloseSynch = 0; /*Are closes synchronous or not? */
261 #define AFSD_INO_T ino64_t
263 #define AFSD_INO_T afs_uint32
265 struct afsd_file_list {
267 struct afsd_file_list *next;
269 struct afsd_file_list **cache_dir_filelist = NULL;
270 int *cache_dir_list = NULL; /* Array of cache subdirs */
271 int *dir_for_V = NULL; /* Array: dir of each cache file.
272 * -1: file does not exist
273 * -2: file exists in top-level
274 * >=0: file exists in Dxxx
276 AFSD_INO_T *inode_for_V; /* Array of inodes for desired
278 int missing_DCacheFile = 1; /*Is the DCACHEFILE missing?*/
279 int missing_VolInfoFile = 1; /*Is the VOLINFOFILE missing?*/
280 int missing_CellInfoFile = 1; /*Is the CELLINFOFILE missing?*/
281 int afsd_rmtsys = 0; /* Default: don't support rmtsys */
282 struct afs_cacheParams cparams; /* params passed to cache manager */
284 static int HandleMTab();
286 /* ParseArgs is now obsolete, being handled by cmd */
288 /*------------------------------------------------------------------------------
292 * Open the file containing the description of the workstation's AFS cache
293 * and pull out its contents. The format of this file is as follows:
295 * cacheMountDir:cacheBaseDir:cacheBlocks
301 * 0 if everything went well,
305 * Nothing interesting.
309 *---------------------------------------------------------------------------*/
311 int ParseCacheInfoFile()
313 static char rn[]="ParseCacheInfoFile"; /*This routine's name*/
314 FILE *cachefd; /*Descriptor for cache info file*/
315 int parseResult; /*Result of our fscanf()*/
316 afs_int32 tCacheBlocks;
317 char tCacheBaseDir[1024], *tbd, tCacheMountDir[1024], *tmd;
320 printf("%s: Opening cache info file '%s'...\n",
321 rn, fullpn_CacheInfo);
323 cachefd = fopen(fullpn_CacheInfo, "r");
325 printf("%s: Can't read cache info file '%s'\n",
326 rn, fullpn_CacheInfo);
331 * Parse the contents of the cache info file. All chars up to the first
332 * colon are the AFS mount directory, all chars to the next colon are the
333 * full path name of the workstation cache directory and all remaining chars
334 * represent the number of blocks in the cache.
336 tCacheMountDir[0] = tCacheBaseDir[0] = '\0';
337 parseResult = fscanf(cachefd,
338 "%1024[^:]:%1024[^:]:%d",
339 tCacheMountDir, tCacheBaseDir, &tCacheBlocks);
342 * Regardless of how the parse went, we close the cache info file.
346 if (parseResult == EOF || parseResult < 3) {
347 printf("%s: Format error in cache info file!\n",
349 if (parseResult == EOF)
350 printf("\tEOF encountered before any field parsed.\n");
352 printf("\t%d out of 3 fields successfully parsed.\n",
358 for (tmd = tCacheMountDir; *tmd == '\n' || *tmd == ' ' || *tmd == '\t'; tmd++) ;
359 for (tbd = tCacheBaseDir; *tbd == '\n' || *tbd == ' ' || *tbd == '\t'; tbd++) ;
360 /* now copy in the fields not explicitly overridden by cmd args */
361 if (!sawCacheMountDir)
362 strcpy(cacheMountDir, tmd);
363 if (!sawCacheBaseDir)
364 strcpy(cacheBaseDir, tbd);
366 cacheBlocks = tCacheBlocks;
369 printf("%s: Cache info file successfully parsed:\n",
371 printf("\tcacheMountDir: '%s'\n\tcacheBaseDir: '%s'\n\tcacheBlocks: %d\n",
372 tmd, tbd, tCacheBlocks);
374 if (! (cacheFlags & AFSCALL_INIT_MEMCACHE))
375 PartSizeOverflow(tbd, cacheBlocks);
381 * All failures to open the partition are ignored. Also if the cache dir
382 * isn't a mounted partition it's also ignored since we can't guarantee
383 * what will be stored afterwards. Too many if's. This is now purely
384 * advisory. ODS with over 2G partition also gives warning message.
386 PartSizeOverflow(path, cs)
390 int bsize=-1, totalblks, mint;
392 struct statvfs statbuf;
394 if (statvfs(path, &statbuf) != 0) {
395 if (afsd_debug) printf("statvfs failed on %s; skip checking for adequate partition space\n", path);
398 totalblks = statbuf.f_blocks;
399 bsize = statbuf.f_frsize;
401 struct statfs statbuf;
403 if (statfs(path, &statbuf) < 0) {
404 if (afsd_debug) printf("statfs failed on %s; skip checking for adequate partition space\n", path);
407 totalblks = statbuf.f_blocks;
408 bsize = statbuf.f_bsize;
410 if (bsize == -1) return 0; /* sucess */
412 /* now free and totalblks are in fragment units, but we want them in 1K units */
414 totalblks *= (bsize / 1024);
416 totalblks /= (1024/bsize);
419 mint = totalblks - ((totalblks * 5) / 100);
421 printf("Cache size (%d) must be less than 95%% of partition size (which is %d). Lower cache size\n",
426 /*-----------------------------------------------------------------------------
430 * Given the final component of a filename expected to be a data cache file,
431 * return the integer corresponding to the file. Note: we reject names that
432 * are not a ``V'' followed by an integer. We also reject those names having
433 * the right format but lying outside the range [0..cacheFiles-1].
436 * fname : Char ptr to the filename to parse.
437 * max : integer for the highest number to accept
440 * >= 0 iff the file is really a data cache file numbered from 0 to cacheFiles-1, or
444 * Nothing interesting.
448 *---------------------------------------------------------------------------*/
450 static int doGetXFileNumber(fname, filechar, maxNum)
455 int computedVNumber; /*The computed file number we return*/
456 int filenameLen; /*Number of chars in filename*/
457 int currDigit; /*Current digit being processed*/
460 * The filename must have at least two characters, the first of which must be a ``filechar''
461 * and the second of which cannot be a zero unless the file is exactly two chars long.
463 filenameLen = strlen(fname);
466 if (fname[0] != filechar)
468 if ((filenameLen > 2) && (fname[1] == '0'))
472 * Scan through the characters in the given filename, failing immediately if a non-digit
475 for (currDigit = 1; currDigit < filenameLen; currDigit++)
476 if (isdigit(fname[currDigit]) == 0)
480 * All relevant characters are digits. Pull out the decimal number they represent.
481 * Reject it if it's out of range, otherwise return it.
483 computedVNumber = atoi(++fname);
484 if (computedVNumber < cacheFiles)
485 return(computedVNumber);
490 int GetVFileNumber(fname, maxFile)
494 return doGetXFileNumber(fname, 'V', maxFile);
497 int GetDDirNumber(fname, maxDir)
501 return doGetXFileNumber(fname, 'D', maxDir);
505 /*-----------------------------------------------------------------------------
509 * Given a full pathname for a file we need to create for the workstation AFS
510 * cache, go ahead and create the file.
513 * fname : Full pathname of file to create.
514 * statp : A pointer to a stat buffer which, if NON-NULL, will be
518 * 0 iff the file was created,
522 * The given cache file has been found to be missing.
526 *---------------------------------------------------------------------------*/
528 static int CreateCacheSubDir (basename, dirNum)
532 static char rn[] = "CreateCacheSubDir"; /* Routine Name */
536 /* Build the new cache subdirectory */
537 sprintf (dir, "%s/D%d", basename, dirNum);
540 printf("%s: Creating cache subdir '%s'\n",
543 if ((ret = mkdir(dir, 0700)) != 0) {
544 printf("%s: Can't create '%s', error return is %d (%d)\n",
545 rn, dir, ret, errno);
550 /* Mark this directory as created */
551 cache_dir_list[dirNum] = 0;
553 /* And return success */
557 static int MoveCacheFile (basename, fromDir, toDir, cacheFile, maxDir)
559 int fromDir, toDir, cacheFile, maxDir;
561 static char rn[] = "MoveCacheFile";
562 char from[1024], to[1024];
565 if (cache_dir_list[toDir] < 0 &&
566 (ret = CreateCacheSubDir(basename, toDir))) {
567 printf("%s: Can't create directory '%s/D%d'\n", rn, basename, toDir);
571 /* Build the from,to dir */
573 /* old-style location */
574 snprintf (from, sizeof(from), "%s/V%d", basename, cacheFile);
576 snprintf (from, sizeof(from), "%s/D%d/V%d", basename, fromDir, cacheFile);
579 snprintf (to, sizeof(from), "%s/D%d/V%d", basename, toDir, cacheFile);
582 printf("%s: Moving cacheFile from '%s' to '%s'\n",
585 if ((ret = rename (from, to)) != 0) {
586 printf("%s: Can't rename '%s' to '%s', error return is %d (%d)\n",
587 rn, from, to, ret, errno);
591 /* Reset directory pointer; fix file counts */
592 dir_for_V[cacheFile] = toDir;
593 cache_dir_list[toDir]++;
594 if (fromDir < maxDir && fromDir >= 0)
595 cache_dir_list[fromDir]--;
600 int CreateCacheFile(fname, statp)
604 static char rn[] = "CreateCacheFile"; /*Routine name*/
605 int cfd; /*File descriptor to AFS cache file*/
606 int closeResult; /*Result of close()*/
609 printf("%s: Creating cache file '%s'\n",
611 cfd = open(fname, createAndTrunc, ownerRWmode);
613 printf("%s: Can't create '%s', error return is %d (%d)\n",
614 rn, fname, cfd, errno);
618 closeResult = fstat (cfd, statp);
620 printf("%s: Can't stat newly-created AFS cache file '%s' (code %d)\n",
625 closeResult = close(cfd);
627 printf("%s: Can't close newly-created AFS cache file '%s' (code %d)\n",
635 static void CreateFileIfMissing(char *fullpn, int missing)
639 printf("CreateFileIfMissing: Creating '%s'\n", fullpn);
640 if (CreateCacheFile(fullpn, NULL))
641 printf("CreateFileIfMissing: Can't create '%s'\n", fullpn);
645 /*-----------------------------------------------------------------------------
649 * Sweep through the AFS cache directory, recording the inode number for
650 * each valid data cache file there. Also, delete any file that doesn't belong
651 * in the cache directory during this sweep, and remember which of the other
652 * residents of this directory were seen. After the sweep, we create any data
653 * cache files that were missing.
656 * vFilesFound : Set to the number of data cache files found.
659 * 0 if everything went well,
663 * This routine may be called several times. If the number of data cache files
664 * found is less than the global cacheFiles, then the caller will need to call it
665 * again to record the inodes of the missing zero-length data cache files created
666 * in the previous call.
669 * Fills up the global inode_for_V array, may create and/or delete files as
671 *---------------------------------------------------------------------------*/
674 static int doSweepAFSCache(vFilesFound,directory,dirNum,maxDir)
676 char *directory; /* /path/to/cache/directory */
677 int dirNum; /* current directory number */
678 int maxDir; /* maximum directory number */
680 static char rn[] = "doSweepAFSCache"; /* Routine Name */
681 char fullpn_FileToDelete[1024]; /*File to be deleted from cache*/
682 char *fileToDelete; /*Ptr to last component of above*/
683 DIR *cdirp; /*Ptr to cache directory structure*/
685 struct dirent64 *currp; /*Current directory entry*/
687 struct dirent *currp; /*Current directory entry*/
689 int vFileNum; /*Data cache file's associated number*/
690 int thisDir; /* A directory number */
694 printf("%s: Opening cache directory '%s'\n", rn, directory);
696 if (chmod(directory, 0700)) { /* force it to be 700 */
697 printf("%s: Can't 'chmod 0700' the cache dir, '%s'.\n", rn, directory);
700 cdirp = opendir(directory);
701 if (cdirp == (DIR *)0) {
702 printf("%s: Can't open AFS cache directory, '%s'.\n", rn, directory);
707 * Scan the directory entries, remembering data cache file inodes
708 * and the existance of other important residents. Recurse into
709 * the data subdirectories.
711 * Delete all files and directories that don't belong here.
713 sprintf(fullpn_FileToDelete, "%s/", directory);
714 fileToDelete = fullpn_FileToDelete + strlen(fullpn_FileToDelete);
717 for (currp = readdir64(cdirp); currp; currp = readdir64(cdirp))
719 for (currp = readdir(cdirp); currp; currp = readdir(cdirp))
723 printf("%s: Current directory entry:\n",
726 printf("\tinode=%lld, reclen=%d, name='%s'\n",
727 currp->d_ino, currp->d_reclen, currp->d_name);
729 printf("\tinode=%d, reclen=%d, name='%s'\n",
730 currp->d_ino, currp->d_reclen, currp->d_name);
735 * If dirNum < 0, we are a top-level cache directory and should
736 * only contain sub-directories and other sundry files. Therefore,
737 * V-files are valid only if dirNum >= 0, and Directories are only
738 * valid if dirNum < 0.
741 if (*(currp->d_name) == 'V' &&
742 ((vFileNum = GetVFileNumber(currp->d_name, cacheFiles)) >= 0)) {
744 * Found a valid data cache filename. Remember this
745 * file's inode, directory, and bump the number of files found
746 * total and in this directory.
748 inode_for_V[vFileNum] = currp->d_ino;
749 dir_for_V[vFileNum] = dirNum; /* remember this directory */
752 /* If we're in a real subdir, mark this file to be moved
753 * if we've already got too many files in this directory
756 cache_dir_list[dirNum]++; /* keep directory's file count */
757 if (cache_dir_list[dirNum] > nFilesPerDir) {
758 /* Too many files -- add to filelist */
759 struct afsd_file_list *tmp = (struct afsd_file_list *)
760 malloc(sizeof(*tmp));
762 printf ("%s: MALLOC FAILED allocating file_list entry\n",
765 tmp->fileNum = vFileNum;
766 tmp->next = cache_dir_filelist[dirNum];
767 cache_dir_filelist[dirNum] = tmp;
773 else if (dirNum < 0 && (*(currp->d_name) == 'D') &&
774 GetDDirNumber(currp->d_name, 1<<30) >= 0) {
776 if ((vFileNum = GetDDirNumber(currp->d_name, maxDir)) >= 0) {
777 /* Found a valid cachefile sub-Directory. Remember this number
778 * and recurse into it. Note that subdirs cannot have subdirs.
781 } else if ((vFileNum = GetDDirNumber(currp->d_name, 1<<30)) >= 0) {
782 /* This directory is going away, but figure out if there
783 * are any cachefiles in here that should be saved by
784 * moving them to other cache directories. This directory
785 * will be removed later.
790 /* Save the highest directory number we've seen */
791 if (vFileNum > highDir)
794 /* If this directory is staying, be sure to mark it as 'found' */
795 if (retval == 1) cache_dir_list[vFileNum] = 0;
797 /* Print the dirname for recursion */
798 sprintf(fileToDelete, "%s", currp->d_name);
800 /* Note: vFileNum is the directory number */
801 retval = doSweepAFSCache(vFilesFound, fullpn_FileToDelete,
802 vFileNum, (retval == 1 ? 0 : -1));
804 printf ("%s: Recursive sweep failed on directory %s\n",
809 else if (dirNum < 0 && strcmp(currp->d_name, DCACHEFILE) == 0) {
811 * Found the file holding the dcache entries.
813 missing_DCacheFile = 0;
815 else if (dirNum < 0 && strcmp(currp->d_name, VOLINFOFILE) == 0) {
817 * Found the file holding the volume info.
819 missing_VolInfoFile = 0;
821 else if (dirNum < 0 && strcmp(currp->d_name, CELLINFOFILE) == 0) {
823 * Found the file holding the cell info.
825 missing_CellInfoFile = 0;
827 else if ((strcmp(currp->d_name, ".") == 0) ||
828 (strcmp(currp->d_name, "..") == 0) ||
829 #ifdef AFS_DECOSF_ENV
830 /* these are magic AdvFS files */
831 (strcmp(currp->d_name, ".tags") == 0) ||
832 (strcmp(currp->d_name, "quota.user") == 0) ||
833 (strcmp(currp->d_name, "quota.group") == 0) ||
835 #ifdef AFS_LINUX22_ENV
836 /* this is the ext3 journal file */
837 (strcmp(currp->d_name, ".journal") == 0) ||
839 (strcmp(currp->d_name, "lost+found") == 0)) {
841 * Don't do anything - this file is legit, and is to be left alone.
846 * This file/directory doesn't belong in the cache. Nuke it.
848 sprintf(fileToDelete, "%s", currp->d_name);
850 printf("%s: Deleting '%s'\n",
851 rn, fullpn_FileToDelete);
852 if (unlink(fullpn_FileToDelete)) {
853 if (errno == EISDIR && *fileToDelete == 'D') {
854 if (rmdir(fullpn_FileToDelete)) {
855 printf("%s: Can't rmdir '%s', errno is %d\n",
856 rn, fullpn_FileToDelete, errno);
859 printf("%s: Can't unlink '%s', errno is %d\n",
860 rn, fullpn_FileToDelete, errno);
868 * Create all the cache files that are missing.
870 CreateFileIfMissing(fullpn_DCacheFile, missing_DCacheFile);
871 CreateFileIfMissing(fullpn_VolInfoFile, missing_VolInfoFile);
872 CreateFileIfMissing(fullpn_CellInfoFile, missing_CellInfoFile);
874 /* ADJUST CACHE FILES */
876 /* First, let's walk through the list of files and figure out
877 * if there are any leftover files in extra directories or
878 * missing files. Move the former and create the latter in
879 * subdirs with extra space.
882 thisDir = 0; /* Keep track of which subdir has space */
884 for (vFileNum = 0; vFileNum < cacheFiles; vFileNum++) {
885 if (dir_for_V[vFileNum] == -1) {
886 /* This file does not exist. Create it in the first
887 * subdir that still has extra space.
889 while (thisDir < maxDir &&
890 cache_dir_list[thisDir] >= nFilesPerDir)
892 if (thisDir >= maxDir)
893 printf("%s: can't find directory to create V%d\n", rn, vFileNum);
896 assert (inode_for_V[vFileNum] == (AFSD_INO_T)0);
897 sprintf(vFilePtr, "D%d/V%d", thisDir, vFileNum);
899 printf("%s: Creating '%s'\n", rn, fullpn_VFile);
900 if (cache_dir_list[thisDir] < 0 &&
901 CreateCacheSubDir(directory, thisDir))
902 printf("%s: Can't create directory for '%s'\n",
904 if (CreateCacheFile(fullpn_VFile, &statb))
905 printf("%s: Can't create '%s'\n", rn, fullpn_VFile);
907 inode_for_V[vFileNum] = statb.st_ino;
908 dir_for_V[vFileNum] = thisDir;
909 cache_dir_list[thisDir]++;
914 } else if (dir_for_V[vFileNum] >= maxDir ||
915 dir_for_V[vFileNum] == -2) {
916 /* This file needs to move; move it to the first subdir
917 * that has extra space. (-2 means it's in the toplevel)
919 while (thisDir < maxDir && cache_dir_list[thisDir] >= nFilesPerDir)
921 if (thisDir >= maxDir)
922 printf("%s: can't find directory to move V%d\n", rn, vFileNum);
924 if (MoveCacheFile (directory, dir_for_V[vFileNum], thisDir,
926 /* Cannot move. Ignore this file??? */
933 /* At this point, we've moved all of the valid cache files
934 * into the valid subdirs, and created all the extra
935 * cachefiles we need to create. Next, rebalance any subdirs
936 * with too many cache files into the directories with not
937 * enough cache files. Note that thisDir currently sits at
938 * the lowest subdir that _may_ have room.
941 for (dirNum = 0; dirNum < maxDir; dirNum++) {
942 struct afsd_file_list *thisFile;
944 for (thisFile = cache_dir_filelist[dirNum];
945 thisFile && cache_dir_list[dirNum] >= nFilesPerDir;
946 thisFile = thisFile->next) {
947 while (thisDir < maxDir && cache_dir_list[thisDir] >= nFilesPerDir)
949 if (thisDir >= maxDir)
950 printf("%s: can't find directory to move V%d\n", rn, vFileNum);
952 if (MoveCacheFile (directory, dirNum, thisDir,
953 thisFile->fileNum, maxDir)) {
954 /* Cannot move. Ignore this file??? */
958 } /* for each file to move */
959 } /* for each directory */
961 /* Remove any directories >= maxDir -- they should be empty */
962 for (; highDir >= maxDir; highDir--) {
963 sprintf(fileToDelete, "D%d", highDir);
964 if (unlink(fullpn_FileToDelete)) {
965 if (errno == EISDIR && *fileToDelete == 'D') {
966 if (rmdir(fullpn_FileToDelete)) {
967 printf("%s: Can't rmdir '%s', errno is %d\n",
968 rn, fullpn_FileToDelete, errno);
971 printf("%s: Can't unlink '%s', errno is %d\n",
972 rn, fullpn_FileToDelete, errno);
978 * Close the directory, return success.
981 printf("%s: Closing cache directory.\n",
987 int SweepAFSCache(vFilesFound)
990 static char rn[] = "SweepAFSCache"; /*Routine name*/
991 int maxDir = (cacheFiles + nFilesPerDir - 1 ) / nFilesPerDir;
996 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
998 printf("%s: Memory Cache, no cache sweep done\n", rn);
1002 if (cache_dir_list == NULL) {
1003 cache_dir_list = (int *) malloc (maxDir * sizeof(*cache_dir_list));
1004 if (cache_dir_list == NULL) {
1005 printf("%s: Malloc Failed!\n", rn);
1008 for (i=0; i < maxDir; i++)
1009 cache_dir_list[i] = -1; /* Does not exist */
1012 if (cache_dir_filelist == NULL) {
1013 cache_dir_filelist = (struct afsd_file_list **)
1014 malloc (maxDir * sizeof(*cache_dir_filelist));
1015 if (cache_dir_filelist == NULL) {
1016 printf("%s: Malloc Failed!\n", rn);
1019 memset (cache_dir_filelist, 0, maxDir * sizeof(*cache_dir_filelist));
1022 if (dir_for_V == NULL) {
1023 dir_for_V = (int *) malloc (cacheFiles * sizeof(*dir_for_V));
1024 if (dir_for_V == NULL) {
1025 printf("%s: Malloc Failed!\n", rn);
1028 for (i=0; i < cacheFiles; i++)
1029 dir_for_V[i] = -1; /* Does not exist */
1032 /* Note, setting dirNum to -2 here will cause cachefiles found in
1033 * the toplevel directory to be marked in directory "-2". This
1034 * allows us to differentiate between 'file not seen' (-1) and
1035 * 'file seen in top-level' (-2). Then when we try to move the
1036 * file into a subdirectory, we know it's in the top-level instead
1037 * of some other cache subdir.
1039 return doSweepAFSCache (vFilesFound, cacheBaseDir, -2, maxDir);
1042 static ConfigCell(aci, arock, adir)
1043 register struct afsconf_cell *aci;
1045 struct afsconf_dir *adir; {
1046 register int isHomeCell;
1047 register int i, code;
1048 afs_int32 cellFlags = 0;
1049 afs_int32 hosts[MAXHOSTSPERCELL];
1051 /* figure out if this is the home cell */
1052 isHomeCell = (strcmp(aci->name, LclCellName) == 0);
1054 cellFlags = 2; /* not home, suid is forbidden */
1056 /* build address list */
1057 for(i=0;i<MAXHOSTSPERCELL;i++)
1058 memcpy(&hosts[i], &aci->hostAddr[i].sin_addr, sizeof(afs_int32));
1060 if (aci->linkedCell) cellFlags |= 4; /* Flag that linkedCell arg exists,
1061 for upwards compatibility */
1063 /* configure one cell */
1064 code = call_syscall(AFSOP_ADDCELL2,
1065 hosts, /* server addresses */
1066 aci->name, /* cell name */
1067 cellFlags, /* is this the home cell? */
1068 aci->linkedCell); /* Linked cell, if any */
1070 printf("Adding cell '%s': error %d\n", aci->name, code);
1074 static ConfigCellAlias(aca, arock, adir)
1075 register struct afsconf_cellalias *aca;
1077 struct afsconf_dir *adir;
1079 /* push the alias into the kernel */
1080 call_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName);
1084 #ifdef AFS_AFSDB_ENV
1085 static AfsdbLookupHandler()
1087 afs_int32 kernelMsg[64];
1088 char acellName[128];
1090 struct afsconf_cell acellInfo;
1095 acellName[0] = '\0';
1098 /* On some platforms you only get 4 args to an AFS call */
1099 int sizeArg = ((sizeof acellName) << 16) | (sizeof kernelMsg);
1100 code = call_syscall(AFSOP_AFSDB_HANDLER, acellName, kernelMsg, sizeArg);
1101 if (code) { /* Something is wrong? */
1106 if (*acellName == 1) /* Shutting down */
1109 code = afsconf_GetAfsdbInfo(acellName, 0, &acellInfo);
1114 kernelMsg[0] = acellInfo.numServers;
1115 if (acellInfo.timeout)
1116 kernelMsg[1] = acellInfo.timeout - time(0);
1119 for (i=0; i<acellInfo.numServers; i++)
1120 kernelMsg[i+2] = acellInfo.hostAddr[i].sin_addr.s_addr;
1121 strncpy(acellName, acellInfo.name, sizeof(acellName));
1122 acellName[sizeof(acellName) - 1] = '\0';
1131 #include <sys/ioctl.h>
1134 #ifdef AFS_SGI65_ENV
1135 #define SET_RTPRI(P) { \
1136 struct sched_param sp; \
1137 sp.sched_priority = P; \
1138 if (sched_setscheduler(0, SCHED_RR, &sp)<0) { \
1139 perror("sched_setscheduler"); \
1142 #define SET_AFSD_RTPRI() SET_RTPRI(68)
1143 #define SET_RX_RTPRI() SET_RTPRI(199)
1145 #ifdef AFS_LINUX20_ENV
1146 #define SET_AFSD_RTPRI()
1147 #define SET_RX_RTPRI() do { if (setpriority(PRIO_PROCESS, 0, -10)<0) \
1148 perror("setting rx priority"); \
1151 #define SET_AFSD_RTPRI()
1152 #define SET_RX_RTPRI()
1157 register struct cmd_syndesc *as;
1160 static char rn[] = "afsd"; /*Name of this routine*/
1161 register afs_int32 code; /*Result of fork()*/
1163 int currVFile; /*Current AFS cache file number passed in*/
1164 int mountFlags; /*Flags passed to mount()*/
1165 int lookupResult; /*Result of GetLocalCellName()*/
1166 int cacheIteration; /*How many times through cache verification*/
1167 int vFilesFound; /*How many data cache files were found in sweep*/
1168 struct afsconf_dir *cdir; /* config dir */
1173 afs_int32 vfs1_type = -1;
1174 #ifdef AFS_SGI65_ENV
1175 struct sched_param sp;
1178 #ifdef AFS_SGI_VNODE_GLUE
1179 if (afs_init_kernel_config(-1) <0) {
1180 printf("Can't determine NUMA configuration, not starting AFS.\n");
1185 /* call atoi on the appropriate parsed results */
1186 if (as->parms[0].items) {
1188 cacheBlocks = atoi(as->parms[0].items->data);
1191 if (as->parms[1].items) {
1193 cacheFiles = atoi(as->parms[1].items->data);
1194 filesSet = 1; /* set when spec'd on cmd line */
1196 if (as->parms[2].items) {
1198 strcpy(rootVolume, as->parms[2].items->data);
1201 if (as->parms[3].items) {
1203 cacheStatEntries = atoi(as->parms[3].items->data);
1205 if (as->parms[4].items) {
1207 cacheBaseDir[0] = '\0';
1208 sawCacheBaseDir = 1;
1209 cacheFlags |= AFSCALL_INIT_MEMCACHE;
1213 if (as->parms[5].items) {
1215 strcpy(cacheBaseDir, as->parms[5].items->data);
1216 sawCacheBaseDir = 1;
1218 if (as->parms[6].items) {
1220 strcpy(cacheMountDir, as->parms[6].items->data);
1221 sawCacheMountDir = 1;
1223 if (as->parms[7].items) {
1225 nDaemons = atoi(as->parms[7].items->data);
1227 if (as->parms[8].items) {
1229 cacheSetTime = FALSE;
1231 if (as->parms[9].items) {
1235 if (as->parms[10].items) {
1239 if (as->parms[11].items) {
1244 if (as->parms[12].items) {
1246 chunkSize = atoi(as->parms[12].items->data);
1247 if (chunkSize < 0 || chunkSize > 30) {
1248 printf("afsd:invalid chunk size spec'd, using default\n");
1252 if (as->parms[13].items) {
1254 dCacheSize = atoi(as->parms[13].items->data);
1257 if (as->parms[14].items) {
1259 vCacheSize = atoi(as->parms[14].items->data);
1261 if (as->parms[15].items) {
1263 #ifndef AFS_AIX32_ENV
1264 printf("afsd: [-biods] currently only enabled for aix3.x VM supported systems\n");
1266 nBiods = atoi(as->parms[15].items->data);
1270 if (as->parms[16].items) {
1272 preallocs = atoi(as->parms[16].items->data);
1275 if (as->parms[17].items) {
1277 inodes = atoi(as->parms[17].items->data);
1280 strcpy(confDir, AFSDIR_CLIENT_ETC_DIRPATH);
1281 if (as->parms[17].items) {
1283 strcpy(confDir, as->parms[17].items->data);
1285 sprintf(fullpn_CacheInfo, "%s/%s", confDir, CACHEINFOFILE);
1286 sprintf(fullpn_AFSLogFile, "%s/%s", confDir, AFSLOGFILE);
1287 if (as->parms[18].items) {
1289 strcpy(fullpn_AFSLogFile, as->parms[18].items->data);
1291 if (as->parms[19].items) {
1293 afsd_CloseSynch = 1;
1295 if (as->parms[20].items) {
1299 * Cold shutdown is the default
1301 printf("afsd: Shutting down all afs processes and afs state\n");
1302 code = call_syscall(AFSOP_SHUTDOWN, 1);
1304 printf("afsd: AFS still mounted; Not shutting down\n");
1309 if (as->parms[21].items) {
1310 /* -enable_peer_stats */
1311 enable_peer_stats = 1;
1313 if (as->parms[22].items) {
1314 /* -enable_process_stats */
1315 enable_process_stats = 1;
1317 if (as->parms[23].items) {
1318 /* -mem_alloc_sleep */
1319 cacheFlags |= AFSCALL_INIT_MEMCACHE_SLEEP;
1321 if (as->parms[24].items) {
1323 #ifdef AFS_AFSDB_ENV
1326 printf("afsd: No AFSDB support; ignoring -afsdb");
1329 if (as->parms[25].items) {
1330 /* -files_per_subdir */
1331 int res = atoi(as->parms[25].items->data);
1332 if ( res < 10 || res > 2^30) {
1333 printf("afsd:invalid number of files per subdir, \"%s\". Ignored\n", as->parms[25].items->data);
1338 if (as->parms[26].items) {
1342 if (as->parms[27].items) {
1344 enable_fakestat = 2;
1346 if (as->parms[28].items) {
1348 enable_fakestat = 1;
1352 * Pull out all the configuration info for the workstation's AFS cache and
1353 * the cellular community we're willing to let our users see.
1355 cdir = afsconf_Open(confDir);
1357 printf("afsd: some file missing or bad in %s\n", confDir);
1361 lookupResult = afsconf_GetLocalCell(cdir, LclCellName, sizeof(LclCellName));
1363 printf("%s: Can't get my home cell name! [Error is %d]\n",
1368 printf("%s: My home cell is '%s'\n",
1372 /* parse cacheinfo file if this is a diskcache */
1373 if (ParseCacheInfoFile()) {
1377 if ((logfd = fopen(fullpn_AFSLogFile,"r+")) == 0) {
1378 if (afsd_verbose) printf("%s: Creating '%s'\n", rn, fullpn_AFSLogFile);
1379 if (CreateCacheFile(fullpn_AFSLogFile, NULL)) {
1380 printf("%s: Can't create '%s' (You may want to use the -logfile option)\n", rn, fullpn_AFSLogFile);
1386 /* do some random computations in memcache case to get things to work
1387 * reasonably no matter which parameters you set.
1389 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1390 /* memory cache: size described either as blocks or dcache entries, but
1393 if (sawDCacheSize) {
1394 if (sawCacheBlocks) {
1395 printf("%s: can't set cache blocks and dcache size simultaneously when diskless.\n", rn);
1398 /* compute the cache size based on # of chunks times the chunk size */
1399 i = (chunkSize == 0? 13 : chunkSize);
1400 i = (1<<i); /* bytes per chunk */
1401 cacheBlocks = i * dCacheSize;
1402 sawCacheBlocks = 1; /* so that ParseCacheInfoFile doesn't overwrite */
1405 /* compute the dcache size from overall cache size and chunk size */
1406 i = (chunkSize == 0? 13 : chunkSize);
1407 /* dCacheSize = (cacheBlocks << 10) / (1<<i); */
1409 dCacheSize = (cacheBlocks >> (i-10));
1410 } else if (i < 10) {
1411 dCacheSize = (cacheBlocks << (10-i));
1413 dCacheSize = cacheBlocks;
1415 /* don't have to set sawDCacheSize here since it isn't overwritten
1416 * by ParseCacheInfoFile.
1419 /* kernel computes # of dcache entries as min of cacheFiles and dCacheSize,
1420 * so we now make them equal.
1422 cacheFiles = dCacheSize;
1426 * Compute the number of cache files based on cache size,
1427 * but only if -files isn't given on the command line.
1428 * Don't let # files be so small as to prevent full utilization
1429 * of the cache unless user has explicitly asked for it.
1430 * average V-file is ~10K, according to tentative empirical studies.
1433 cacheFiles = cacheBlocks / 10;
1434 if (cacheFiles < 100) cacheFiles = 100;
1435 /* Always allow more files than chunks. Presume average V-file
1436 * is ~67% of a chunk... (another guess, perhaps Honeyman will
1437 * have a grad student write a paper). i is KILOBYTES.
1439 i = 1 << (chunkSize == 0? 6 : (chunkSize<10 ? 0 : chunkSize -10));
1440 cacheFiles = max(cacheFiles, 1.5 * (cacheBlocks / i));
1441 /* never permit more files than blocks, while leaving space for
1442 * VolumeInfo and CacheItems files. VolumeInfo is usually 20K,
1443 * CacheItems is 50 Bytes / file (== 1K/20)
1445 #define VOLINFOSZ 20
1446 #define CACHEITMSZ (cacheFiles / 20)
1448 cacheFiles= min(cacheFiles,(cacheBlocks -VOLINFOSZ -CACHEITMSZ)/4);
1450 cacheFiles = min(cacheFiles, cacheBlocks - VOLINFOSZ - CACHEITMSZ);
1452 if (cacheFiles < 100)
1453 fprintf (stderr, "%s: WARNING: cache probably too small!\n", rn);
1455 if (!sawDCacheSize) {
1456 if ((cacheFiles / 2) > dCacheSize)
1457 dCacheSize = cacheFiles / 2;
1458 if (dCacheSize > 2000)
1464 * Create and zero the inode table for the desired cache files.
1466 inode_for_V = (AFSD_INO_T *) malloc(cacheFiles * sizeof(AFSD_INO_T));
1467 if (inode_for_V == (AFSD_INO_T *)0) {
1468 printf("%s: malloc() failed for cache file inode table with %d entries.\n",
1472 memset(inode_for_V, '\0', (cacheFiles * sizeof(AFSD_INO_T)));
1474 printf("%s: %d inode_for_V entries at 0x%x, %d bytes\n",
1475 rn, cacheFiles, inode_for_V,
1476 (cacheFiles * sizeof(AFSD_INO_T)));
1479 * Set up all the pathnames we'll need for later.
1481 sprintf(fullpn_DCacheFile, "%s/%s", cacheBaseDir, DCACHEFILE);
1482 sprintf(fullpn_VolInfoFile, "%s/%s", cacheBaseDir, VOLINFOFILE);
1483 sprintf(fullpn_CellInfoFile, "%s/%s", cacheBaseDir, CELLINFOFILE);
1484 sprintf(fullpn_VFile, "%s/", cacheBaseDir);
1485 vFilePtr = fullpn_VFile + strlen(fullpn_VFile);
1488 fputs(AFS_GOVERNMENT_MESSAGE, stdout);
1493 * Set up all the kernel processes needed for AFS.
1496 setpgrp(getpid(), 0);
1499 /* Initialize RX daemons and services */
1501 /* initialize the rx random number generator from user space */
1503 /* parse multihomed address files */
1504 afs_int32 addrbuf[MAXIPADDRS],maskbuf[MAXIPADDRS],mtubuf[MAXIPADDRS];
1506 code=parseNetFiles(addrbuf,maskbuf,mtubuf,MAXIPADDRS,reason,
1507 AFSDIR_CLIENT_NETINFO_FILEPATH,
1508 AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
1510 call_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
1512 printf("ADVISEADDR: Error in specifying interface addresses:%s\n",reason);
1515 /* Set realtime priority for most threads to same as for biod's. */
1518 #ifdef AFS_SGI53_ENV
1519 #ifdef AFS_SGI61_ENV
1521 #else /* AFS_SGI61_ENV */
1522 code = get_nfsstaticaddr();
1524 call_syscall(AFSOP_NFSSTATICADDR, code);
1525 #endif /* AFS_SGI61_ENV */
1526 #endif /* AFS_SGI_53_ENV */
1528 /* Start listener, then callback listener. Lastly, start rx event daemon.
1529 * Change in ordering is so that Linux port has socket fd in listener
1531 * preallocs are passed for both listener and callback server. Only
1532 * the one which actually does the initialization uses them though.
1534 if (preallocs < cacheStatEntries+50)
1535 preallocs = cacheStatEntries+50;
1536 #ifdef RXK_LISTENER_ENV
1538 printf("%s: Forking rx listener daemon.\n", rn);
1542 SET_RX_RTPRI(); /* max advised for non-interrupts */
1543 call_syscall(AFSOP_RXLISTENER_DAEMON,
1546 enable_process_stats);
1551 printf("%s: Forking rx callback listener.\n", rn);
1555 call_syscall(AFSOP_START_RXCALLBACK, preallocs);
1558 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
1560 printf("%s: Forking rxevent daemon.\n", rn);
1564 SET_RX_RTPRI(); /* max advised for non-interrupts */
1565 call_syscall(AFSOP_RXEVENT_DAEMON);
1570 #ifdef AFS_AFSDB_ENV
1573 printf("%s: Forking AFSDB lookup handler.\n", rn);
1576 AfsdbLookupHandler();
1582 code = call_syscall(AFSOP_BASIC_INIT, 1);
1584 printf("%s: Error %d in basic initialization.\n", rn, code);
1587 * Tell the kernel some basic information about the workstation's cache.
1590 printf("%s: Calling AFSOP_CACHEINIT: %d stat cache entries, %d optimum cache files, %d blocks in the cache, flags = 0x%x, dcache entries %d\n",
1591 rn, cacheStatEntries, cacheFiles, cacheBlocks, cacheFlags,
1593 memset(&cparams, '\0', sizeof(cparams));
1594 cparams.cacheScaches = cacheStatEntries;
1595 cparams.cacheFiles = cacheFiles;
1596 cparams.cacheBlocks = cacheBlocks;
1597 cparams.cacheDcaches = dCacheSize;
1598 cparams.cacheVolumes = vCacheSize;
1599 cparams.chunkSize = chunkSize;
1600 cparams.setTimeFlag = cacheSetTime;
1601 cparams.memCacheFlag = cacheFlags;
1603 cparams.inodes = inodes;
1605 call_syscall(AFSOP_CACHEINIT, &cparams);
1606 if (afsd_CloseSynch)
1607 call_syscall(AFSOP_CLOSEWAIT);
1610 * Sweep the workstation AFS cache directory, remembering the inodes of
1611 * valid files and deleting extraneous files. Keep sweeping until we
1612 * have the right number of data cache files or we've swept too many
1615 * This also creates files in the cache directory like VolumeItems and
1616 * CellItems, and thus must be ran before those are sent to the kernel.
1619 printf("%s: Sweeping workstation's AFS cache directory.\n",
1622 /* Memory-cache based system doesn't need any of this */
1623 if(!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
1626 if (SweepAFSCache(&vFilesFound)) {
1627 printf("%s: Error on sweep %d of workstation AFS cache \
1628 directory.\n", rn, cacheIteration);
1632 printf("%s: %d out of %d data cache files found in sweep %d.\n",
1633 rn, vFilesFound, cacheFiles, cacheIteration);
1634 } while ((vFilesFound < cacheFiles) &&
1635 (cacheIteration < MAX_CACHE_LOOPS));
1636 } else if(afsd_verbose)
1637 printf("%s: Using memory cache, not swept\n", rn);
1640 * Pass the kernel the name of the workstation cache file holding the
1644 printf("%s: Calling AFSOP_CACHEINFO: dcache file is '%s'\n",
1645 rn, fullpn_DCacheFile);
1646 /* once again, meaningless for a memory-based cache. */
1647 if(!(cacheFlags & AFSCALL_INIT_MEMCACHE))
1648 call_syscall(AFSOP_CACHEINFO, fullpn_DCacheFile);
1651 * Pass the kernel the name of the workstation cache file holding the
1655 printf("%s: Calling AFSOP_CELLINFO: cell info file is '%s'\n",
1656 rn, fullpn_CellInfoFile);
1657 call_syscall(AFSOP_CELLINFO, fullpn_CellInfoFile);
1659 if (enable_dynroot) {
1661 printf("%s: Enabling dynroot support in kernel.\n", rn);
1662 code = call_syscall(AFSOP_SET_DYNROOT, 1);
1664 printf("%s: Error enabling dynroot support.\n", rn);
1667 if (enable_fakestat) {
1669 printf("%s: Enabling fakestat support in kernel.\n", rn);
1670 code = call_syscall(AFSOP_SET_FAKESTAT, enable_fakestat);
1672 printf("%s: Error enabling fakestat support.\n", rn);
1675 /* Initialize AFS daemon threads. */
1677 printf("%s: Forking AFS daemon.\n", rn);
1681 call_syscall(AFSOP_START_AFS);
1686 printf("%s: Forking Check Server Daemon.\n", rn);
1690 code = call_syscall(AFSOP_START_CS);
1692 printf("%s: No check server daemon in client.\n", rn);
1697 printf("%s: Forking %d background daemons.\n", rn, nDaemons);
1698 #if defined(AFS_SGI_ENV) && defined(AFS_SGI_SHORTSTACK)
1699 /* Add one because for sgi we always "steal" the first daemon for a
1700 * different task if we only have a 4K stack.
1704 for (i=0;i<nDaemons;i++) {
1708 #ifdef AFS_AIX32_ENV
1709 call_syscall(AFSOP_START_BKG, 0);
1711 call_syscall(AFSOP_START_BKG);
1716 #ifdef AFS_AIX32_ENV
1718 nBiods = nDaemons * 2;
1721 for (i=0; i< nBiods;i++) {
1723 if (code == 0) { /* Child */
1724 call_syscall(AFSOP_START_BKG, nBiods);
1731 * Tell the kernel about each cell in the configuration.
1733 afsconf_CellApply(cdir, ConfigCell, NULL);
1734 afsconf_CellAliasApply(cdir, ConfigCellAlias, NULL);
1737 * Set the primary cell name.
1739 call_syscall(AFSOP_SET_THISCELL, LclCellName);
1742 * If the root volume has been explicitly set, tell the kernel.
1746 printf("%s: Calling AFSOP_ROOTVOLUME with '%s'\n",
1748 call_syscall(AFSOP_ROOTVOLUME, rootVolume);
1752 * Pass the kernel the name of the workstation cache file holding the
1753 * volume information.
1756 printf("%s: Calling AFSOP_VOLUMEINFO: volume info file is '%s'\n",
1757 rn, fullpn_VolInfoFile);
1758 call_syscall(AFSOP_VOLUMEINFO,fullpn_VolInfoFile);
1761 * Pass the kernel the name of the afs logging file holding the volume
1765 printf("%s: Calling AFSOP_AFSLOG: volume info file is '%s'\n",
1766 rn, fullpn_AFSLogFile);
1767 #if defined(AFS_SGI_ENV)
1768 /* permit explicit -logfile argument to enable logging on memcache systems */
1769 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE) || as->parms[18].items)
1771 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... nor this ... */
1773 call_syscall(AFSOP_AFSLOG,fullpn_AFSLogFile);
1776 * Give the kernel the names of the AFS files cached on the workstation's
1780 printf("%s: Calling AFSOP_CACHEINODE for each of the %d files in '%s'\n",
1781 rn, cacheFiles, cacheBaseDir);
1782 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... and again ... */
1783 for (currVFile = 0; currVFile < cacheFiles; currVFile++) {
1784 #ifdef AFS_SGI62_ENV
1785 call_syscall(AFSOP_CACHEINODE,
1786 (afs_uint32)(inode_for_V[currVFile]>>32),
1787 (afs_uint32)(inode_for_V[currVFile] & 0xffffffff));
1789 call_syscall(AFSOP_CACHEINODE, inode_for_V[currVFile]);
1795 * All the necessary info has been passed into the kernel to run an AFS
1796 * system. Give the kernel our go-ahead.
1799 printf("%s: Calling AFSOP_GO with cacheSetTime = %d\n",
1801 call_syscall(AFSOP_GO, cacheSetTime);
1804 * At this point, we have finished passing the kernel all the info
1805 * it needs to set up the AFS. Mount the AFS root.
1807 printf("%s: All AFS daemons started.\n", rn);
1810 printf("%s: Forking trunc-cache daemon.\n", rn);
1814 call_syscall(AFSOP_START_TRUNCDAEMON);
1818 mountFlags = 0; /* Read/write file system, can do setuid() */
1819 #if defined(AFS_SUN_ENV) || defined(AFS_SUN5_ENV)
1821 mountFlags |= MS_DATA;
1823 mountFlags |= M_NEWTYPE; /* This searches by name in vfs_conf.c so don't need to recompile vfs.c because MOUNT_MAXTYPE has changed; it seems that Sun fixed this at last... */
1827 #if defined(AFS_HPUX100_ENV)
1828 mountFlags |= MS_DATA;
1832 printf("%s: Mounting the AFS root on '%s', flags: %d.\n",
1833 rn, cacheMountDir, mountFlags);
1835 if ((mount("AFS",cacheMountDir,mountFlags,GT_AFS,(caddr_t) 0)) < 0) {
1838 if ((mount("AFS",cacheMountDir,mountFlags,(caddr_t) 0)) < 0) {
1841 if ((fsmount(MOUNT_AFS,cacheMountDir,mountFlags,(caddr_t) 0)) < 0) {
1846 #if defined(AFS_HPUX100_ENV)
1847 if ((mount("",cacheMountDir,mountFlags,"afs", NULL, 0)) < 0) {
1850 #if defined(AFS_HPUX90_ENV)
1855 strcpy(buffer, "afs");
1856 code = vfsmount(-1,cacheMountDir,mountFlags,(caddr_t) buffer);
1857 sscanf(buffer, "%d", &vfs1_type);
1859 printf("Can't find 'afs' type in the registered filesystem table!\n");
1862 sscanf(buffer, "%d", &vfs1_type);
1864 printf("AFS vfs slot number is %d\n", vfs1_type);
1866 if ((vfsmount(vfs1_type,cacheMountDir,mountFlags,(caddr_t) 0)) < 0) {
1868 if (call_syscall(AFSOP_AFS_VFSMOUNT, MOUNT_AFS, cacheMountDir,
1869 mountFlags, (caddr_t)NULL) < 0) {
1873 if ((mount("AFS",cacheMountDir,mountFlags,"afs", NULL, 0)) < 0) {
1875 #if defined(AFS_SGI_ENV)
1876 mountFlags = MS_FSS;
1877 if ((mount(MOUNT_AFS,cacheMountDir,mountFlags,(caddr_t) MOUNT_AFS)) < 0) {
1879 #ifdef AFS_LINUX20_ENV
1880 if ((mount("AFS", cacheMountDir, MOUNT_AFS, 0, NULL))<0) {
1882 /* This is the standard mount used by the suns and rts */
1883 if ((mount(MOUNT_AFS,cacheMountDir,mountFlags,(caddr_t) 0)) < 0) {
1884 #endif /* AFS_LINUX20_ENV */
1885 #endif /* AFS_SGI_ENV */
1886 #endif /* AFS_SUN5_ENV */
1887 #endif /* AFS_HPUX100_ENV */
1888 #endif /* AFS_HPUX_ENV */
1889 #endif /* AFS_AIX_ENV */
1890 #endif /* AFS_AUX_ENV */
1891 #endif /* AFS_FBSD_ENV */
1892 #endif /* AFS_DEC_ENV */
1893 printf("%s: Can't mount AFS on %s(%d)\n",
1894 rn, cacheMountDir, errno);
1902 printf("%s: Forking 'rmtsys' daemon.\n", rn);
1911 * Exit successfully.
1916 #include "AFS_component_version_number.c"
1923 register struct cmd_syndesc *ts;
1925 ts = cmd_CreateSyntax(NULL, mainproc, NULL, "start AFS");
1926 cmd_AddParm(ts, "-blocks", CMD_SINGLE, CMD_OPTIONAL, "1024 byte blocks in cache");
1927 cmd_AddParm(ts, "-files", CMD_SINGLE, CMD_OPTIONAL, "files in cache");
1928 cmd_AddParm(ts, "-rootvol", CMD_SINGLE, CMD_OPTIONAL, "name of AFS root volume");
1929 cmd_AddParm(ts, "-stat", CMD_SINGLE, CMD_OPTIONAL, "number of stat entries");
1930 cmd_AddParm(ts, "-memcache", CMD_FLAG, CMD_OPTIONAL, "run diskless");
1931 cmd_AddParm(ts, "-cachedir", CMD_SINGLE, CMD_OPTIONAL, "cache directory");
1932 cmd_AddParm(ts, "-mountdir", CMD_SINGLE, CMD_OPTIONAL, "mount location");
1933 cmd_AddParm(ts, "-daemons", CMD_SINGLE, CMD_OPTIONAL, "number of daemons to use");
1934 cmd_AddParm(ts, "-nosettime", CMD_FLAG, CMD_OPTIONAL, "don't set the time");
1935 cmd_AddParm(ts, "-verbose", CMD_FLAG, CMD_OPTIONAL, "display lots of information");
1936 cmd_AddParm(ts, "-rmtsys", CMD_FLAG, CMD_OPTIONAL, "start NFS rmtsysd program");
1937 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL, "display debug info");
1938 cmd_AddParm(ts, "-chunksize", CMD_SINGLE, CMD_OPTIONAL, "log(2) of chunk size");
1939 cmd_AddParm(ts, "-dcache", CMD_SINGLE, CMD_OPTIONAL, "number of dcache entries");
1940 cmd_AddParm(ts, "-volumes", CMD_SINGLE, CMD_OPTIONAL, "number of volume entries");
1941 cmd_AddParm(ts, "-biods", CMD_SINGLE, CMD_OPTIONAL, "number of bkg I/O daemons (aix vm)");
1943 cmd_AddParm(ts, "-prealloc", CMD_SINGLE, CMD_OPTIONAL, "number of 'small' preallocated blocks");
1945 cmd_AddParm(ts, "-pininodes", CMD_SINGLE, CMD_OPTIONAL, "number of inodes to hog");
1947 cmd_AddParm(ts, "-confdir", CMD_SINGLE, CMD_OPTIONAL, "configuration directory");
1948 cmd_AddParm(ts, "-logfile", CMD_SINGLE, CMD_OPTIONAL, "Place to keep the CM log");
1949 cmd_AddParm(ts, "-waitclose", CMD_FLAG, CMD_OPTIONAL, "make close calls synchronous");
1950 cmd_AddParm(ts, "-shutdown", CMD_FLAG, CMD_OPTIONAL, "Shutdown all afs state");
1951 cmd_AddParm(ts, "-enable_peer_stats", CMD_FLAG, CMD_OPTIONAL|CMD_HIDE, "Collect rpc statistics by peer");
1952 cmd_AddParm(ts, "-enable_process_stats", CMD_FLAG, CMD_OPTIONAL|CMD_HIDE, "Collect rpc statistics for this process");
1953 cmd_AddParm(ts, "-mem_alloc_sleep", CMD_FLAG, (CMD_OPTIONAL | CMD_HIDE), "Allow sleeps when allocating memory cache");
1954 cmd_AddParm(ts, "-afsdb", CMD_FLAG, (CMD_OPTIONAL
1955 #ifndef AFS_AFSDB_ENV
1958 ), "Enable AFSDB support");
1959 cmd_AddParm(ts, "-files_per_subdir", CMD_SINGLE, CMD_OPTIONAL, "log(2) of the number of cache files per cache subdirectory");
1960 cmd_AddParm(ts, "-dynroot", CMD_FLAG, CMD_OPTIONAL, "Enable dynroot support");
1961 cmd_AddParm(ts, "-fakestat", CMD_FLAG, CMD_OPTIONAL, "Enable fakestat support for cross-cell mounts");
1962 cmd_AddParm(ts, "-fakestat-all", CMD_FLAG, CMD_OPTIONAL, "Enable fakestat support for all mounts");
1963 return (cmd_Dispatch(argc, argv));
1968 #define MOUNTED_TABLE MNT_MNTTAB
1971 #define MOUNTED_TABLE MNTTAB
1973 #define MOUNTED_TABLE MOUNTED
1977 static int HandleMTab() {
1978 #if (defined (AFS_SUN_ENV) || defined (AFS_HPUX_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)) && !defined(AFS_SUN58_ENV)
1982 struct mnttab tmntent;
1984 memset(&tmntent, '\0', sizeof(struct mnttab));
1985 if (!(tfilep = fopen(MOUNTED_TABLE, "a+"))) {
1986 printf("Can't open %s\n", MOUNTED_TABLE);
1990 tmntent.mnt_special = "AFS";
1991 tmntent.mnt_mountp = cacheMountDir;
1992 tmntent.mnt_fstype = "xx";
1993 tmntent.mnt_mntopts = "rw";
1994 sprintf(tbuf, "%ld", (long)time((time_t *)0));
1995 tmntent.mnt_time = tbuf;
1996 putmntent(tfilep, &tmntent);
1999 #if defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)
2000 struct mntent tmntent;
2002 tfilep = setmntent("/etc/mtab", "a+");
2003 tmntent.mnt_fsname = "AFS";
2004 tmntent.mnt_dir = cacheMountDir;
2005 tmntent.mnt_type = "afs";
2006 tmntent.mnt_opts = "rw";
2007 tmntent.mnt_freq = 1;
2008 tmntent.mnt_passno = 3;
2009 addmntent(tfilep, &tmntent);
2012 struct mntent tmntent;
2014 memset(&tmntent, '\0', sizeof(struct mntent));
2015 tfilep = setmntent(MOUNTED_TABLE, "a+");
2017 printf("Can't open %s for write; Not adding afs entry to it\n",
2021 tmntent.mnt_fsname = "AFS";
2022 tmntent.mnt_dir = cacheMountDir;
2023 tmntent.mnt_type = "xx";
2024 tmntent.mnt_opts = "rw";
2025 tmntent.mnt_freq = 1;
2026 tmntent.mnt_passno = 3;
2028 tmntent.mnt_time = time(0);
2029 tmntent.mnt_cnode = 0;
2031 addmntent(tfilep, &tmntent);
2033 #endif /* AFS_SGI_ENV */
2034 #endif /* AFS_SUN5_ENV */
2035 #endif /* unreasonable systems */
2039 #if !defined(AFS_SGI_ENV) && !defined(AFS_AIX32_ENV)
2040 call_syscall(param1, param2, param3, param4, param5, param6, param7)
2041 long param1, param2, param3, param4, param5, param6, param7;
2044 #ifdef AFS_LINUX20_ENV
2055 error = syscall(AFS_SYSCALL, AFSCALL_CALL, param1, param2, param3, param4, param5, param6, param7);
2056 if (afsd_verbose) printf("SScall(%d, %d, %d)=%d ", AFS_SYSCALL, AFSCALL_CALL, param1, error);
2059 #else /* AFS_AIX32_ENV */
2060 #if defined(AFS_SGI_ENV)
2061 call_syscall(call, parm0, parm1, parm2, parm3, parm4)
2066 error = afs_syscall(call, parm0, parm1, parm2, parm3, parm4);
2067 if (afsd_verbose) printf("SScall(%d, %d)=%d ", call, parm0, error);
2072 call_syscall(call, parm0, parm1, parm2, parm3, parm4, parm5, parm6) {
2074 return syscall(AFSCALL_CALL, call, parm0, parm1, parm2, parm3, parm4, parm5, parm6);
2076 #endif /* AFS_SGI_ENV */
2077 #endif /* AFS_AIX32_ENV */
2081 /* Special handling for AIX's afs mount operation since they require much more miscl. information before making the vmount(2) syscall */
2082 #include <sys/vfs.h>
2084 #define ROUNDUP(x) (((x) + 3) & ~3)
2087 struct vmount *vmountp;
2090 size = sizeof(struct vmount) + ROUNDUP(strlen(cacheMountDir)+1) + 5*4;
2091 /* Malloc the vmount structure */
2092 if ((vmountp = (struct vmount *)malloc(size)) == (struct vmount *)NULL) {
2093 printf("Can't allocate space for the vmount structure (AIX)\n");
2097 /* zero out the vmount structure */
2098 memset(vmountp, '\0', size);
2100 /* transfer info into the vmount structure */
2101 vmountp->vmt_revision = VMT_REVISION;
2102 vmountp->vmt_length = size;
2103 vmountp->vmt_fsid.fsid_dev = 0;
2104 vmountp->vmt_fsid.fsid_type = AFS_MOUNT_AFS;
2105 vmountp->vmt_vfsnumber = 0;
2106 vmountp->vmt_time = 0;/* We'll put the time soon! */
2107 vmountp->vmt_flags = VFS_DEVMOUNT; /* read/write permission */
2108 vmountp->vmt_gfstype = AFS_MOUNT_AFS;
2109 vmountdata(vmountp, "AFS", cacheMountDir, "", "", "", "rw");
2111 /* Do the actual mount system call */
2112 error = vmount(vmountp, size);
2117 vmountdata(vmtp, obj, stub, host, hostsname, info, args)
2118 struct vmount *vmtp;
2119 char *obj, *stub, *host, *hostsname, *info, *args;
2121 register struct data {
2127 vdp = (struct data *)vmtp->vmt_data;
2128 vdp->vmt_off = sizeof(struct vmount);
2129 size = ROUNDUP(strlen(obj) + 1);
2130 vdp->vmt_size = size;
2131 strcpy(vmt2dataptr(vmtp, VMT_OBJECT), obj);
2135 vdp->vmt_off = vdprev->vmt_off + size;
2136 size = ROUNDUP(strlen(stub) + 1);
2137 vdp->vmt_size = size;
2138 strcpy(vmt2dataptr(vmtp, VMT_STUB), stub);
2142 vdp->vmt_off = vdprev->vmt_off + size;
2143 size = ROUNDUP(strlen(host) + 1);
2144 vdp->vmt_size = size;
2145 strcpy(vmt2dataptr(vmtp, VMT_HOST), host);
2149 vdp->vmt_off = vdprev->vmt_off + size;
2150 size = ROUNDUP(strlen(hostsname) + 1);
2151 vdp->vmt_size = size;
2152 strcpy(vmt2dataptr(vmtp, VMT_HOSTNAME), hostsname);
2157 vdp->vmt_off = vdprev->vmt_off + size;
2158 size = ROUNDUP(strlen(info) + 1);
2159 vdp->vmt_size = size;
2160 strcpy(vmt2dataptr(vmtp, VMT_INFO), info);
2164 vdp->vmt_off = vdprev->vmt_off + size;
2165 size = ROUNDUP(strlen(args) + 1);
2166 vdp->vmt_size = size;
2167 strcpy(vmt2dataptr(vmtp, VMT_ARGS), args);
2169 #endif /* AFS_AIX_ENV */
2171 #ifdef AFS_SGI53_ENV
2172 #ifdef AFS_SGI61_ENV
2173 /* The dwarf structures are searched to find entry points of static functions
2174 * and the addresses of static variables. The file name as well as the
2175 * sybmol name is reaquired.
2178 /* Contains list of names to find in given file. */
2180 char *name; /* Name of variable or function. */
2181 afs_hyper_t addr; /* Address of function, undefined if not found. */
2182 Dwarf_Half type; /* DW_AT_location for vars, DW_AT_lowpc for func's */
2183 char found; /* set if found. */
2187 char *file; /* Name of file containing vars or funcs */
2188 staticAddrList *addrList; /* List of vars and/or funcs. */
2189 int nAddrs; /* # of addrList's */
2190 int found; /* set if we've found this file already. */
2193 /* routines used to find addresses in /unix */
2194 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2195 void findMDebugStaticAddresses(staticNameList *, int, int);
2197 void findDwarfStaticAddresses(staticNameList *, int);
2198 void findElfAddresses(Dwarf_Debug, Dwarf_Die, staticNameList *);
2199 void getElfAddress(Dwarf_Debug, Dwarf_Die, staticAddrList *);
2201 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2202 #define AFS_N_FILELISTS 2
2203 #define AFS_SYMS_NEEDED 3
2204 #else /* AFS_SGI62_ENV */
2205 #define AFS_N_FILELISTS 1
2206 #endif /* AFS_SGI62_ENV */
2210 void set_staticaddrs(void)
2212 staticNameList fileList[AFS_N_FILELISTS];
2214 fileList[0].addrList = (staticAddrList*)calloc(1, sizeof(staticAddrList));
2215 if (!fileList[0].addrList) {
2216 printf("set_staticaddrs: Can't calloc fileList[0].addrList\n");
2219 fileList[0].file = "nfs_server.c";
2220 fileList[0].found = 0;
2221 fileList[0].nAddrs = 1;
2222 fileList[0].addrList[0].name = "rfsdisptab_v2";
2223 fileList[0].addrList[0].type = DW_AT_location;
2224 fileList[0].addrList[0].found = 0;
2226 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2227 fileList[1].addrList = (staticAddrList*)calloc(2, sizeof(staticAddrList));
2228 if (!fileList[1].addrList) {
2229 printf("set_staticaddrs: Can't malloc fileList[1].addrList\n");
2232 fileList[1].file = "uipc_socket.c";
2233 fileList[1].found = 0;
2234 fileList[1].nAddrs = 2;
2235 fileList[1].addrList[0].name = "sblock";
2236 fileList[1].addrList[0].type = DW_AT_low_pc;
2237 fileList[1].addrList[0].found = 0;
2238 fileList[1].addrList[1].name = "sbunlock";
2239 fileList[1].addrList[1].type = DW_AT_low_pc;
2240 fileList[1].addrList[1].found = 0;
2242 if (64 != sysconf(_SC_KERN_POINTERS))
2243 findMDebugStaticAddresses(fileList, AFS_N_FILELISTS, AFS_SYMS_NEEDED);
2245 #endif /* AFS_SGI62_ENV */
2246 findDwarfStaticAddresses(fileList, AFS_N_FILELISTS);
2248 if (fileList[0].addrList[0].found) {
2249 call_syscall(AFSOP_NFSSTATICADDR2, fileList[0].addrList[0].addr.high,
2250 fileList[0].addrList[0].addr.low);
2254 printf("NFS V2 is not present in the kernel.\n");
2256 free(fileList[0].addrList);
2257 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2258 if (fileList[1].addrList[0].found && fileList[1].addrList[1].found) {
2259 call_syscall(AFSOP_SBLOCKSTATICADDR2,
2260 fileList[1].addrList[0].addr.high,
2261 fileList[1].addrList[0].addr.low,
2262 fileList[1].addrList[1].addr.high,
2263 fileList[1].addrList[1].addr.low);
2266 if (!fileList[1].addrList[0].found)
2267 printf("Can't find %s in kernel. Exiting.\n",
2268 fileList[1].addrList[0].name);
2269 if (!fileList[1].addrList[0].found)
2270 printf("Can't find %s in kernel. Exiting.\n",
2271 fileList[1].addrList[1].name);
2274 free(fileList[1].addrList);
2275 #endif /* AFS_SGI62_ENV */
2279 /* Find addresses for static variables and functions. */
2281 findDwarfStaticAddresses(staticNameList * nameList, int nLists)
2288 char *hname = (char*)0;
2289 Dwarf_Unsigned dwarf_access = O_RDONLY;
2290 Dwarf_Debug dwarf_debug;
2291 Dwarf_Error dwarf_error;
2292 Dwarf_Unsigned dwarf_cu_header_length;
2293 Dwarf_Unsigned dwarf_abbrev_offset;
2294 Dwarf_Half dwarf_address_size;
2295 Dwarf_Unsigned next_cu_header;
2296 Dwarf_Die dwarf_die;
2297 Dwarf_Die dwarf_next_die;
2298 Dwarf_Die dwarf_child_die;
2300 if (elf_version(EV_CURRENT) == EV_NONE) {
2301 printf("findDwarfStaticAddresses: Bad elf version.\n");
2305 if ((fd=open("/unix", O_RDONLY,0))<0) {
2306 printf("findDwarfStaticAddresses: Failed to open /unix.\n");
2309 code = dwarf_init(fd, dwarf_access, NULL, NULL, &dwarf_debug,
2311 if (code != DW_DLV_OK) {
2312 /* Nope hope for the elves and dwarves, try intermediate code. */
2319 /* Run through the headers until we find ones for files we've
2320 * specified in nameList.
2322 code = dwarf_next_cu_header(dwarf_debug,
2323 &dwarf_cu_header_length, NULL,
2324 &dwarf_abbrev_offset,
2325 &dwarf_address_size,
2328 if (code == DW_DLV_NO_ENTRY) {
2331 else if (code == DW_DLV_ERROR) {
2332 printf("findDwarfStaticAddresses: Error reading headers: %s\n",
2333 dwarf_errmsg(dwarf_error));
2337 code = dwarf_siblingof(dwarf_debug, NULL, &dwarf_die, &dwarf_error);
2338 if (code != DW_DLV_OK) {
2339 printf("findDwarfStaticAddresses: Can't get first die. %s\n",
2340 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2344 /* This is the header, test the name. */
2345 code = dwarf_diename(dwarf_die, &hname, &dwarf_error);
2346 if (code == DW_DLV_OK) {
2347 s = strrchr(hname, '/');
2348 for (i=0; i<nLists; i++) {
2349 if (s && !strcmp(s+1, nameList[i].file)) {
2350 findElfAddresses(dwarf_debug, dwarf_die, &nameList[i]);
2357 printf("findDwarfStaticAddresses: Can't get name of current header. %s\n",
2358 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2361 dwarf_dealloc(dwarf_debug, hname, DW_DLA_STRING);
2363 if (found >= nLists) { /* we're done */
2368 /* Frees up all allocated space. */
2369 (void) dwarf_finish(dwarf_debug, &dwarf_error);
2374 findElfAddresses(Dwarf_Debug dwarf_debug, Dwarf_Die dwarf_die,
2375 staticNameList * nameList)
2378 Dwarf_Error dwarf_error;
2379 Dwarf_Die dwarf_next_die;
2380 Dwarf_Die dwarf_child_die;
2381 Dwarf_Attribute dwarf_return_attr;
2382 char *vname = (char*)0;
2386 /* Drop into this die to find names in addrList. */
2387 code = dwarf_child(dwarf_die, &dwarf_child_die, &dwarf_error);
2388 if (code != DW_DLV_OK) {
2389 printf("findElfAddresses: Can't get child die. %s\n",
2390 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2394 /* Try to find names in each sibling. */
2395 dwarf_next_die = (Dwarf_Die)0;
2397 code = dwarf_diename(dwarf_child_die, &vname,
2399 /* It's possible that some siblings don't have names. */
2400 if (code == DW_DLV_OK) {
2401 for (i=0; i<nameList->nAddrs; i++) {
2402 if (!nameList->addrList[i].found) {
2403 if (!strcmp(vname, nameList->addrList[i].name)) {
2404 getElfAddress(dwarf_debug, dwarf_child_die,
2405 &(nameList->addrList[i]));
2413 dwarf_dealloc(dwarf_debug, dwarf_next_die, DW_DLA_DIE);
2415 if (found >= nameList->nAddrs) { /* we're done. */
2419 dwarf_next_die = dwarf_child_die;
2420 code = dwarf_siblingof(dwarf_debug, dwarf_next_die,
2424 } while(code == DW_DLV_OK);
2427 /* Get address out of current die. */
2429 getElfAddress(Dwarf_Debug dwarf_debug,
2430 Dwarf_Die dwarf_child_die, staticAddrList *addrList)
2433 Dwarf_Error dwarf_error;
2434 Dwarf_Attribute dwarf_return_attr;
2435 Dwarf_Bool dwarf_return_bool;
2436 Dwarf_Locdesc *llbuf = NULL;
2437 Dwarf_Signed listlen;
2438 off64_t addr = (off64_t)0;
2441 code = dwarf_hasattr(dwarf_child_die, addrList->type,
2442 &dwarf_return_bool, &dwarf_error);
2443 if ((code != DW_DLV_OK) || (!dwarf_return_bool)) {
2444 printf("getElfAddress: no address given for %s. %s\n",
2445 addrList->name, (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2448 code = dwarf_attr(dwarf_child_die, addrList->type,
2449 &dwarf_return_attr, &dwarf_error);
2450 if (code != DW_DLV_OK) {
2451 printf("getElfAddress: Can't get attribute. %s\n",
2452 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2456 switch (addrList->type) {
2457 case DW_AT_location:
2458 code = dwarf_loclist(dwarf_return_attr, &llbuf,
2459 &listlen, &dwarf_error);
2460 if (code != DW_DLV_OK) {
2461 printf("getElfAddress: Can't get location for %s. %s\n",
2463 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2466 if ((listlen != 1) || (llbuf[0].ld_cents != 1)) {
2467 printf("getElfAddress: %s has more than one address.\n",
2471 addr = llbuf[0].ld_s[0].lr_number;
2475 code = dwarf_lowpc(dwarf_child_die, (Dwarf_Addr*)&addr, &dwarf_error);
2476 if ( code != DW_DLV_OK) {
2477 printf("getElfAddress: Can't get lowpc for %s. %s\n",
2479 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2485 printf("getElfAddress: Bad case %d in switch.\n", addrList->type);
2489 addrList->addr.high = (addr>>32) & 0xffffffff;
2490 addrList->addr.low = addr & 0xffffffff;
2491 addrList->found = 1;
2494 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2495 /* Find symbols in the .mdebug section for 32 bit kernels. */
2498 * On 32bit platforms, we're still using the ucode compilers to build
2499 * the kernel, so we need to get our static text/data from the .mdebug
2500 * section instead of the .dwarf sections.
2502 /* SearchNameList searches our bizarre structs for the given string.
2503 * If found, sets the found bit and the address and returns 1.
2504 * Not found returns 0.
2506 int SearchNameList(char *name, afs_uint32 addr, staticNameList *nameList,
2510 for (i=0; i<nLists; i++) {
2511 for (j=0; j<nameList[i].nAddrs; j++) {
2512 if (nameList[i].addrList[j].found)
2514 if (!strcmp(name, nameList[i].addrList[j].name)) {
2515 nameList[i].addrList[j].addr.high = 0;
2516 nameList[i].addrList[j].addr.low = addr;
2517 nameList[i].addrList[j].found = 1;
2526 SearchMDebug(Elf_Scn *scnp, Elf32_Shdr *shdrp, staticNameList * nameList,
2527 int nLists, int needed)
2529 long *buf = (long *)(elf_getdata(scnp, NULL)->d_buf);
2530 u_long addr, mdoff = shdrp->sh_offset;
2532 SYMR *symbase, *symp, *symend;
2533 FDR *fdrbase, *fdrp;
2535 char *strbase, *str;
2540 addr = (__psunsigned_t)buf;
2541 hdrp = (HDRR *)addr;
2543 /* setup base addresses */
2544 addr = (u_long)buf + (u_long)(hdrp->cbFdOffset - mdoff);
2545 fdrbase = (FDR *)addr;
2546 addr = (u_long)buf + (u_long)(hdrp->cbSymOffset - mdoff);
2547 symbase = (SYMR *)addr;
2548 addr = (u_long)buf + (u_long)(hdrp->cbSsOffset - mdoff);
2549 strbase = (char *)addr;
2551 #define KEEPER(a,b) ((a == stStaticProc && b == scText) || \
2552 (a == stStatic && (b == scData || b == scBss || \
2553 b == scSBss || b == scSData)))
2555 for (fdrp = fdrbase; fdrp < &fdrbase[hdrp->ifdMax]; fdrp++) {
2556 str = strbase + fdrp->issBase + fdrp->rss;
2558 /* local symbols for each fd */
2559 for (symp = &symbase[fdrp->isymBase];
2560 symp < &symbase[fdrp->isymBase+fdrp->csym];
2562 if (KEEPER(symp->st, symp->sc)) {
2563 if (symp->value == 0)
2566 str = strbase + fdrp->issBase + symp->iss;
2567 /* Look for AFS symbols of interest */
2568 if (SearchNameList(str, symp->value,
2569 nameList, nLists)) {
2571 if (nFound >= needed)
2580 * returns section with the name of scn_name, & puts its header in shdr64 or
2581 * shdr32 based on elf's file type
2585 findMDebugSection(Elf *elf, char *scn_name)
2589 Elf_Scn *scn = NULL;
2593 if ((ehdr32 = elf32_getehdr(elf)) == NULL)
2596 if ((scn = elf_nextscn(elf, scn)) == NULL)
2598 if ((shdr32 = elf32_getshdr(scn)) == NULL)
2600 } while (strcmp(scn_name, elf_strptr(elf, ehdr32->e_shstrndx,
2607 void findMDebugStaticAddresses(staticNameList * nameList, int nLists,
2612 Elf_Scn *mdebug_scn;
2613 Elf32_Shdr *mdebug_shdr;
2616 if ((fd = open("/unix", O_RDONLY)) == -1) {
2617 printf("findMDebugStaticAddresses: Failed to open /unix.\n");
2621 (void)elf_version(EV_CURRENT);
2622 if((elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
2623 printf("findMDebugStaticAddresses: /unix doesn't seem to be an elf file\n");
2627 mdebug_scn = findMDebugSection(elf, ".mdebug");
2629 printf("findMDebugStaticAddresses: Can't find .mdebug section.\n");
2632 mdebug_shdr = elf32_getshdr(mdebug_scn);
2634 printf("findMDebugStaticAddresses: Can't find .mdebug header.\n");
2638 (void) SearchMDebug(mdebug_scn, mdebug_shdr, nameList, nLists, needed);
2644 #endif /* AFS_SGI62_ENV */
2646 #else /* AFS_SGI61_ENV */
2648 struct nlist nlunix[] = {
2649 { "rfsdisptab_v2" },
2653 get_nfsstaticaddr() {
2654 int i, j, kmem, count;
2656 if ((kmem = open("/dev/kmem", O_RDONLY)) < 0) {
2657 printf("Warning: can't open /dev/kmem\n");
2660 if ((j = nlist("/unix", nlunix)) < 0) {
2661 printf("Warning: can't nlist /unix\n");
2664 i = nlunix[0].n_value;
2665 if (lseek(kmem, i, L_SET/*0*/) != i) {
2666 printf("Warning: can't lseek to %x\n", i);
2669 if ((j = read(kmem, &count, sizeof count)) != sizeof count) {
2670 printf("WARNING: kmem read at %x failed\n", i);
2675 #endif /* AFS_SGI61_ENV */
2676 #endif /* AFS_SGI53_ENV */