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 (default).
33 * -settime Keep checking the time to avoid drift.
35 * -debug Print out additional debugging info.
36 * -kerndev [OBSOLETE] The kernel device for AFS.
37 * -dontfork [OBSOLETE] Don't fork off as a new process.
38 * -daemons The number of background daemons to start (Default: 2).
39 * -rmtsys Also fires up an afs remote sys call (e.g. pioctl, setpag)
41 * -chunksize [n] 2^n is the chunksize to be used. 0 is default.
42 * -dcache The number of data cache entries.
43 * -biods Number of bkg I/O daemons (AIX3.1 only)
44 * -prealloc Number of preallocated "small" memory blocks
45 * -pininodes Number of inodes which can be spared from inode[] for
46 * pointing at Vfiles. If this is set too high, you may have
47 * system problems, which can only be ameliorated by changing
48 * NINODE (or equivalent) and rebuilding the kernel.
49 * This option is now disabled.
50 * -logfile [OBSOLETE] Place where to put the logfile (default in
52 * -waitclose make close calls always synchronous (slows em down, tho)
53 * -files_per_subdir [n] number of files per cache subdir. (def=2048)
54 * -shutdown Shutdown afs daemons
55 *---------------------------------------------------------------------------*/
57 #include <afsconfig.h>
58 #include <afs/param.h>
68 #include <potpourri.h>
69 #include <afs/afsutil.h>
76 #include <sys/types.h>
85 #ifdef HAVE_SYS_PARAM_H
86 #include <sys/param.h>
89 #ifdef HAVE_SYS_FS_TYPES_H
90 #include <sys/fs_types.h>
93 #ifdef HAVE_SYS_MOUNT_H
94 #include <sys/mount.h>
97 #ifdef HAVE_SYS_FCNTL_H
98 #include <sys/fcntl.h>
101 #ifdef HAVE_SYS_MNTTAB_H
102 #include <sys/mnttab.h>
105 #ifdef HAVE_SYS_MNTENT_H
106 #include <sys/mntent.h>
113 #ifdef HAVE_SYS_MOUNT_H
114 #include <sys/mount.h>
117 #ifdef HAVE_SYS_VFS_H
121 #ifdef HAVE_SYS_FSTYP_H
122 #include <sys/fstyp.h>
133 #include <netinet/in.h>
134 #include <afs/afs_args.h>
135 #include <afs/cellconfig.h>
136 #include <afs/auth.h>
138 #include <afs/afssyscalls.h>
139 #include <afs/afsutil.h>
145 #include <libdwarf.h>
146 void set_staticaddrs(void);
147 #endif /* AFS_SGI61_ENV */
148 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
150 #include <symconst.h>
155 #ifdef AFS_LINUX20_ENV
156 #include <sys/resource.h>
158 #ifdef AFS_DARWIN_ENV
159 #ifdef AFS_DARWIN80_ENV
160 #include <sys/ioctl.h>
162 #include <mach/mach.h>
163 /* Symbols from the DiskArbitration framework */
164 kern_return_t DiskArbStart(mach_port_t *);
165 kern_return_t DiskArbDiskAppearedWithMountpointPing_auto(char *, unsigned int,
167 #define DISK_ARB_NETWORK_DISK_FLAG 8
168 #endif /* AFS_DARWIN_ENV */
171 #define MOUNT_AFS AFS_MOUNT_AFS
172 #endif /* MOUNT_AFS */
175 #include <sys/statvfs.h>
177 #if defined(AFS_SUN_ENV)
180 #if !defined(AFS_OSF_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_XBSD_ENV)
181 #include <sys/statfs.h>
191 #define CACHEINFOFILE "cacheinfo"
192 #define DCACHEFILE "CacheItems"
193 #define VOLINFOFILE "VolumeItems"
194 #define CELLINFOFILE "CellItems"
196 #define MAXIPADDRS 1024
198 char LclCellName[64];
200 #define MAX_CACHE_LOOPS 4
204 * Internet address (old style... should be updated). This was pulled out of the old 4.2
205 * version of <netinet/in.h>, since it's still useful.
210 u_char s_b1, s_b2, s_b3, s_b4;
217 #define s_host S_un.S_un_b.s_b2 /* host on imp */
218 #define s_net S_un.S_un_b.s_b1 /* network */
219 #define s_imp S_un.S_un_w.s_w2 /* imp */
220 #define s_impno S_un.S_un_b.s_b4 /* imp # */
221 #define s_lh S_un.S_un_b.s_b3 /* logical host */
224 #define mPrintIPAddr(ipaddr) printf("[%d.%d.%d.%d] ", \
225 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b1, \
226 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b2, \
227 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b3, \
228 ((struct in_addr_42 *) &(ipaddr))->S_un.S_un_b.s_b4)
231 * Global configuration variables.
233 afs_int32 enable_rxbind = 0;
234 afs_int32 afs_shutdown = 0;
235 afs_int32 cacheBlocks; /*Num blocks in the cache */
236 afs_int32 cacheFiles; /*Optimal # of files in workstation cache */
239 afs_int32 cacheStatEntries; /*Number of stat cache entries */
240 char cacheBaseDir[1024]; /*Where the workstation AFS cache lives */
241 char confDir[1024]; /*Where the workstation AFS configuration lives */
242 char fullpn_DCacheFile[1024]; /*Full pathname of DCACHEFILE */
243 char fullpn_VolInfoFile[1024]; /*Full pathname of VOLINFOFILE */
244 char fullpn_CellInfoFile[1024]; /*Full pathanem of CELLINFOFILE */
245 char fullpn_CacheInfo[1024]; /*Full pathname of CACHEINFO */
246 char fullpn_VFile[1024]; /*Full pathname of data cache files */
247 char *vFilePtr; /*Ptr to the number part of above pathname */
248 int sawCacheMountDir = 0; /* from cmd line */
249 int sawCacheBaseDir = 0;
250 int sawCacheBlocks = 0;
251 int sawDCacheSize = 0;
253 int sawCacheStatEntries = 0;
254 char cacheMountDir[1024]; /*Mount directory for AFS */
255 char rootVolume[64] = "root.afs"; /*AFS root volume name */
256 afs_int32 cacheSetTime = FALSE; /*Keep checking time to avoid drift? */
257 afs_int32 isHomeCell; /*Is current cell info for the home cell? */
259 int createAndTrunc = O_RDWR | O_CREAT | O_TRUNC; /*Create & truncate on open */
261 int createAndTrunc = O_CREAT | O_TRUNC; /*Create & truncate on open */
263 int ownerRWmode = 0600; /*Read/write OK by owner */
264 static int filesSet = 0; /*True if number of files explicitly set */
265 static int nFilesPerDir = 2048; /* # files per cache dir */
266 static int nDaemons = 2; /* Number of background daemons */
267 static int chunkSize = 0; /* 2^chunkSize bytes per chunk */
268 static int dCacheSize; /* # of dcache entries */
269 static int vCacheSize = 200; /* # of volume cache entries */
270 static int rootVolSet = 0; /*True if root volume name explicitly set */
271 int addrNum; /*Cell server address index being printed */
272 static int cacheFlags = 0; /*Flags to cache manager */
273 static int nBiods = 5; /* AIX3.1 only */
274 static int preallocs = 400; /* Def # of allocated memory blocks */
275 static int enable_peer_stats = 0; /* enable rx stats */
276 static int enable_process_stats = 0; /* enable rx stats */
278 static int enable_afsdb = 0; /* enable AFSDB support */
280 static int enable_dynroot = 0; /* enable dynroot support */
281 static int enable_fakestat = 0; /* enable fakestat support */
282 static int enable_backuptree = 0; /* enable backup tree support */
283 static int enable_nomount = 0; /* do not mount */
284 static int enable_splitcache = 0;
286 static int inodes = 60; /* VERY conservative, but has to be */
288 int afsd_verbose = 0; /*Are we being chatty? */
289 int afsd_debug = 0; /*Are we printing debugging info? */
290 int afsd_CloseSynch = 0; /*Are closes synchronous or not? */
293 #define AFSD_INO_T ino64_t
295 #define AFSD_INO_T afs_uint32
297 struct afsd_file_list {
299 struct afsd_file_list *next;
301 struct afsd_file_list **cache_dir_filelist = NULL;
302 int *cache_dir_list = NULL; /* Array of cache subdirs */
303 int *dir_for_V = NULL; /* Array: dir of each cache file.
304 * -1: file does not exist
305 * -2: file exists in top-level
306 * >=0: file exists in Dxxx
308 AFSD_INO_T *inode_for_V; /* Array of inodes for desired
310 int missing_DCacheFile = 1; /*Is the DCACHEFILE missing? */
311 int missing_VolInfoFile = 1; /*Is the VOLINFOFILE missing? */
312 int missing_CellInfoFile = 1; /*Is the CELLINFOFILE missing? */
313 int afsd_rmtsys = 0; /* Default: don't support rmtsys */
314 struct afs_cacheParams cparams; /* params passed to cache manager */
316 static int HandleMTab();
318 /* ParseArgs is now obsolete, being handled by cmd */
320 /*------------------------------------------------------------------------------
324 * Open the file containing the description of the workstation's AFS cache
325 * and pull out its contents. The format of this file is as follows:
327 * cacheMountDir:cacheBaseDir:cacheBlocks
333 * 0 if everything went well,
337 * Nothing interesting.
341 *---------------------------------------------------------------------------*/
344 ParseCacheInfoFile(void)
346 static char rn[] = "ParseCacheInfoFile"; /*This routine's name */
347 FILE *cachefd; /*Descriptor for cache info file */
348 int parseResult; /*Result of our fscanf() */
349 afs_int32 tCacheBlocks;
350 char tCacheBaseDir[1024], *tbd, tCacheMountDir[1024], *tmd;
353 printf("%s: Opening cache info file '%s'...\n", rn, fullpn_CacheInfo);
355 cachefd = fopen(fullpn_CacheInfo, "r");
357 printf("%s: Can't read cache info file '%s'\n", rn, fullpn_CacheInfo);
362 * Parse the contents of the cache info file. All chars up to the first
363 * colon are the AFS mount directory, all chars to the next colon are the
364 * full path name of the workstation cache directory and all remaining chars
365 * represent the number of blocks in the cache.
367 tCacheMountDir[0] = tCacheBaseDir[0] = '\0';
369 fscanf(cachefd, "%1024[^:]:%1024[^:]:%d", tCacheMountDir,
370 tCacheBaseDir, &tCacheBlocks);
373 * Regardless of how the parse went, we close the cache info file.
377 if (parseResult == EOF || parseResult < 3) {
378 printf("%s: Format error in cache info file!\n", rn);
379 if (parseResult == EOF)
380 printf("\tEOF encountered before any field parsed.\n");
382 printf("\t%d out of 3 fields successfully parsed.\n",
388 for (tmd = tCacheMountDir; *tmd == '\n' || *tmd == ' ' || *tmd == '\t';
390 for (tbd = tCacheBaseDir; *tbd == '\n' || *tbd == ' ' || *tbd == '\t';
392 /* now copy in the fields not explicitly overridden by cmd args */
393 if (!sawCacheMountDir)
394 strcpy(cacheMountDir, tmd);
395 if (!sawCacheBaseDir)
396 strcpy(cacheBaseDir, tbd);
398 cacheBlocks = tCacheBlocks;
401 printf("%s: Cache info file successfully parsed:\n", rn);
403 ("\tcacheMountDir: '%s'\n\tcacheBaseDir: '%s'\n\tcacheBlocks: %d\n",
404 tmd, tbd, tCacheBlocks);
406 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
407 return (PartSizeOverflow(tbd, cacheBlocks));
414 * All failures to open the partition are ignored. Also if the cache dir
415 * isn't a mounted partition it's also ignored since we can't guarantee
416 * what will be stored afterwards. Too many if's. This is now purely
417 * advisory. ODS with over 2G partition also gives warning message.
420 * 0 if everything went well,
424 PartSizeOverflow(char *path, int cs)
426 int bsize = -1, totalblks, mint;
428 struct statvfs statbuf;
430 if (statvfs(path, &statbuf) != 0) {
433 ("statvfs failed on %s; skip checking for adequate partition space\n",
437 totalblks = statbuf.f_blocks;
438 bsize = statbuf.f_frsize;
440 if (strcmp(statbuf.f_basetype, "jfs")) {
441 fprintf(stderr, "Cache filesystem '%s' must be jfs (now %s)\n",
442 path, statbuf.f_basetype);
445 #endif /* AFS_AIX51_ENV */
447 #else /* AFS_HAVE_STATVFS */
448 struct statfs statbuf;
450 if (statfs(path, &statbuf) < 0) {
453 ("statfs failed on %s; skip checking for adequate partition space\n",
457 totalblks = statbuf.f_blocks;
458 bsize = statbuf.f_bsize;
461 return 0; /* sucess */
463 /* now free and totalblks are in fragment units, but we want them in 1K units */
465 totalblks *= (bsize / 1024);
467 totalblks /= (1024 / bsize);
470 mint = totalblks / 100 * 95;
473 ("Cache size (%d) must be less than 95%% of partition size (which is %d). Lower cache size\n",
481 /*-----------------------------------------------------------------------------
485 * Given the final component of a filename expected to be a data cache file,
486 * return the integer corresponding to the file. Note: we reject names that
487 * are not a ``V'' followed by an integer. We also reject those names having
488 * the right format but lying outside the range [0..cacheFiles-1].
491 * fname : Char ptr to the filename to parse.
492 * max : integer for the highest number to accept
495 * >= 0 iff the file is really a data cache file numbered from 0 to cacheFiles-1, or
499 * Nothing interesting.
503 *---------------------------------------------------------------------------*/
506 doGetXFileNumber(fname, filechar, maxNum)
511 int computedVNumber; /*The computed file number we return */
512 int filenameLen; /*Number of chars in filename */
513 int currDigit; /*Current digit being processed */
516 * The filename must have at least two characters, the first of which must be a ``filechar''
517 * and the second of which cannot be a zero unless the file is exactly two chars long.
519 filenameLen = strlen(fname);
522 if (fname[0] != filechar)
524 if ((filenameLen > 2) && (fname[1] == '0'))
528 * Scan through the characters in the given filename, failing immediately if a non-digit
531 for (currDigit = 1; currDigit < filenameLen; currDigit++)
532 if (isdigit(fname[currDigit]) == 0)
536 * All relevant characters are digits. Pull out the decimal number they represent.
537 * Reject it if it's out of range, otherwise return it.
539 computedVNumber = atoi(++fname);
540 if (computedVNumber < cacheFiles)
541 return (computedVNumber);
547 GetVFileNumber(fname, maxFile)
551 return doGetXFileNumber(fname, 'V', maxFile);
555 GetDDirNumber(fname, maxDir)
559 return doGetXFileNumber(fname, 'D', maxDir);
563 /*-----------------------------------------------------------------------------
567 * Given a full pathname for a file we need to create for the workstation AFS
568 * cache, go ahead and create the file.
571 * fname : Full pathname of file to create.
572 * statp : A pointer to a stat buffer which, if NON-NULL, will be
576 * 0 iff the file was created,
580 * The given cache file has been found to be missing.
584 *---------------------------------------------------------------------------*/
587 CreateCacheSubDir(basename, dirNum)
591 static char rn[] = "CreateCacheSubDir"; /* Routine Name */
595 /* Build the new cache subdirectory */
596 sprintf(dir, "%s/D%d", basename, dirNum);
599 printf("%s: Creating cache subdir '%s'\n", rn, dir);
601 if ((ret = mkdir(dir, 0700)) != 0) {
602 printf("%s: Can't create '%s', error return is %d (%d)\n", rn, dir,
608 /* Mark this directory as created */
609 cache_dir_list[dirNum] = 0;
611 /* And return success */
616 MoveCacheFile(basename, fromDir, toDir, cacheFile, maxDir)
618 int fromDir, toDir, cacheFile, maxDir;
620 static char rn[] = "MoveCacheFile";
621 char from[1024], to[1024];
624 if (cache_dir_list[toDir] < 0
625 && (ret = CreateCacheSubDir(basename, toDir))) {
626 printf("%s: Can't create directory '%s/D%d'\n", rn, basename, toDir);
630 /* Build the from,to dir */
632 /* old-style location */
633 snprintf(from, sizeof(from), "%s/V%d", basename, cacheFile);
635 snprintf(from, sizeof(from), "%s/D%d/V%d", basename, fromDir,
639 snprintf(to, sizeof(from), "%s/D%d/V%d", basename, toDir, cacheFile);
642 printf("%s: Moving cacheFile from '%s' to '%s'\n", rn, from, to);
644 if ((ret = rename(from, to)) != 0) {
645 printf("%s: Can't rename '%s' to '%s', error return is %d (%d)\n", rn,
646 from, to, ret, errno);
650 /* Reset directory pointer; fix file counts */
651 dir_for_V[cacheFile] = toDir;
652 cache_dir_list[toDir]++;
653 if (fromDir < maxDir && fromDir >= 0)
654 cache_dir_list[fromDir]--;
660 CreateCacheFile(fname, statp)
664 static char rn[] = "CreateCacheFile"; /*Routine name */
665 int cfd; /*File descriptor to AFS cache file */
666 int closeResult; /*Result of close() */
669 printf("%s: Creating cache file '%s'\n", rn, fname);
670 cfd = open(fname, createAndTrunc, ownerRWmode);
672 printf("%s: Can't create '%s', error return is %d (%d)\n", rn, fname,
677 closeResult = fstat(cfd, statp);
680 ("%s: Can't stat newly-created AFS cache file '%s' (code %d)\n",
685 closeResult = close(cfd);
688 ("%s: Can't close newly-created AFS cache file '%s' (code %d)\n",
697 CreateFileIfMissing(char *fullpn, int missing)
700 if (CreateCacheFile(fullpn, NULL))
701 printf("CreateFileIfMissing: Can't create '%s'\n", fullpn);
706 UnlinkUnwantedFile(char *rn, char *fullpn_FileToDelete, char *fileToDelete)
708 if (unlink(fullpn_FileToDelete)) {
709 if ((errno == EISDIR || errno == EPERM) && *fileToDelete == 'D') {
710 if (rmdir(fullpn_FileToDelete)) {
711 printf("%s: Can't rmdir '%s', errno is %d\n", rn,
712 fullpn_FileToDelete, errno);
715 printf("%s: Can't unlink '%s', errno is %d\n", rn,
716 fullpn_FileToDelete, errno);
720 /*-----------------------------------------------------------------------------
724 * Sweep through the AFS cache directory, recording the inode number for
725 * each valid data cache file there. Also, delete any file that doesn't belong
726 * in the cache directory during this sweep, and remember which of the other
727 * residents of this directory were seen. After the sweep, we create any data
728 * cache files that were missing.
731 * vFilesFound : Set to the number of data cache files found.
734 * 0 if everything went well,
738 * This routine may be called several times. If the number of data cache files
739 * found is less than the global cacheFiles, then the caller will need to call it
740 * again to record the inodes of the missing zero-length data cache files created
741 * in the previous call.
744 * Fills up the global inode_for_V array, may create and/or delete files as
746 *---------------------------------------------------------------------------*/
750 doSweepAFSCache(vFilesFound, directory, dirNum, maxDir)
752 char *directory; /* /path/to/cache/directory */
753 int dirNum; /* current directory number */
754 int maxDir; /* maximum directory number */
756 static char rn[] = "doSweepAFSCache"; /* Routine Name */
757 char fullpn_FileToDelete[1024]; /*File to be deleted from cache */
758 char *fileToDelete; /*Ptr to last component of above */
759 DIR *cdirp; /*Ptr to cache directory structure */
761 struct dirent64 *currp; /*Current directory entry */
763 struct dirent *currp; /*Current directory entry */
765 int vFileNum; /*Data cache file's associated number */
766 int thisDir; /* A directory number */
770 printf("%s: Opening cache directory '%s'\n", rn, directory);
772 if (chmod(directory, 0700)) { /* force it to be 700 */
773 printf("%s: Can't 'chmod 0700' the cache dir, '%s'.\n", rn,
777 cdirp = opendir(directory);
778 if (cdirp == (DIR *) 0) {
779 printf("%s: Can't open AFS cache directory, '%s'.\n", rn, directory);
784 * Scan the directory entries, remembering data cache file inodes
785 * and the existance of other important residents. Recurse into
786 * the data subdirectories.
788 * Delete all files and directories that don't belong here.
790 sprintf(fullpn_FileToDelete, "%s/", directory);
791 fileToDelete = fullpn_FileToDelete + strlen(fullpn_FileToDelete);
794 for (currp = readdir64(cdirp); currp; currp = readdir64(cdirp))
796 for (currp = readdir(cdirp); currp; currp = readdir(cdirp))
800 printf("%s: Current directory entry:\n", rn);
802 printf("\tinode=%lld, reclen=%d, name='%s'\n", currp->d_ino,
803 currp->d_reclen, currp->d_name);
805 printf("\tinode=%d, reclen=%d, name='%s'\n", currp->d_ino,
806 currp->d_reclen, currp->d_name);
811 * If dirNum < 0, we are a top-level cache directory and should
812 * only contain sub-directories and other sundry files. Therefore,
813 * V-files are valid only if dirNum >= 0, and Directories are only
814 * valid if dirNum < 0.
817 if (*(currp->d_name) == 'V'
818 && ((vFileNum = GetVFileNumber(currp->d_name, cacheFiles)) >=
821 * Found a valid data cache filename. Remember this
822 * file's inode, directory, and bump the number of files found
823 * total and in this directory.
825 inode_for_V[vFileNum] = currp->d_ino;
826 dir_for_V[vFileNum] = dirNum; /* remember this directory */
829 /* If we're in a real subdir, mark this file to be moved
830 * if we've already got too many files in this directory
833 cache_dir_list[dirNum]++; /* keep directory's file count */
834 if (cache_dir_list[dirNum] > nFilesPerDir) {
835 /* Too many files -- add to filelist */
836 struct afsd_file_list *tmp = (struct afsd_file_list *)
837 malloc(sizeof(*tmp));
840 ("%s: MALLOC FAILED allocating file_list entry\n",
843 tmp->fileNum = vFileNum;
844 tmp->next = cache_dir_filelist[dirNum];
845 cache_dir_filelist[dirNum] = tmp;
850 } else if (dirNum < 0 && (*(currp->d_name) == 'D')
851 && GetDDirNumber(currp->d_name, 1 << 30) >= 0) {
853 if ((vFileNum = GetDDirNumber(currp->d_name, maxDir)) >= 0) {
854 /* Found a valid cachefile sub-Directory. Remember this number
855 * and recurse into it. Note that subdirs cannot have subdirs.
858 } else if ((vFileNum = GetDDirNumber(currp->d_name, 1 << 30)) >=
860 /* This directory is going away, but figure out if there
861 * are any cachefiles in here that should be saved by
862 * moving them to other cache directories. This directory
863 * will be removed later.
868 /* Save the highest directory number we've seen */
869 if (vFileNum > highDir)
872 /* If this directory is staying, be sure to mark it as 'found' */
874 cache_dir_list[vFileNum] = 0;
876 /* Print the dirname for recursion */
877 sprintf(fileToDelete, "%s", currp->d_name);
879 /* Note: vFileNum is the directory number */
881 doSweepAFSCache(vFilesFound, fullpn_FileToDelete, vFileNum,
882 (retval == 1 ? 0 : -1));
884 printf("%s: Recursive sweep failed on directory %s\n", rn,
888 } else if (dirNum < 0 && strcmp(currp->d_name, DCACHEFILE) == 0) {
890 * Found the file holding the dcache entries.
892 missing_DCacheFile = 0;
893 } else if (dirNum < 0 && strcmp(currp->d_name, VOLINFOFILE) == 0) {
895 * Found the file holding the volume info.
897 missing_VolInfoFile = 0;
898 } else if (dirNum < 0 && strcmp(currp->d_name, CELLINFOFILE) == 0) {
900 * Found the file holding the cell info.
902 missing_CellInfoFile = 0;
903 } else if ((strcmp(currp->d_name, ".") == 0)
904 || (strcmp(currp->d_name, "..") == 0) ||
905 #ifdef AFS_DECOSF_ENV
906 /* these are magic AdvFS files */
907 (strcmp(currp->d_name, ".tags") == 0)
908 || (strcmp(currp->d_name, "quota.user") == 0)
909 || (strcmp(currp->d_name, "quota.group") == 0) ||
911 #ifdef AFS_LINUX22_ENV
912 /* this is the ext3 journal file */
913 (strcmp(currp->d_name, ".journal") == 0) ||
915 (strcmp(currp->d_name, "lost+found") == 0)) {
917 * Don't do anything - this file is legit, and is to be left alone.
921 * This file/directory doesn't belong in the cache. Nuke it.
923 sprintf(fileToDelete, "%s", currp->d_name);
925 printf("%s: Deleting '%s'\n", rn, fullpn_FileToDelete);
926 UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
933 * Create all the cache files that are missing.
935 CreateFileIfMissing(fullpn_DCacheFile, missing_DCacheFile);
936 CreateFileIfMissing(fullpn_VolInfoFile, missing_VolInfoFile);
937 CreateFileIfMissing(fullpn_CellInfoFile, missing_CellInfoFile);
939 /* ADJUST CACHE FILES */
941 /* First, let's walk through the list of files and figure out
942 * if there are any leftover files in extra directories or
943 * missing files. Move the former and create the latter in
944 * subdirs with extra space.
947 thisDir = 0; /* Keep track of which subdir has space */
949 for (vFileNum = 0; vFileNum < cacheFiles; vFileNum++) {
950 if (dir_for_V[vFileNum] == -1) {
951 /* This file does not exist. Create it in the first
952 * subdir that still has extra space.
954 while (thisDir < maxDir
955 && cache_dir_list[thisDir] >= nFilesPerDir)
957 if (thisDir >= maxDir)
958 printf("%s: can't find directory to create V%d\n", rn,
962 assert(inode_for_V[vFileNum] == (AFSD_INO_T) 0);
963 sprintf(vFilePtr, "D%d/V%d", thisDir, vFileNum);
965 printf("%s: Creating '%s'\n", rn, fullpn_VFile);
966 if (cache_dir_list[thisDir] < 0
967 && CreateCacheSubDir(directory, thisDir))
968 printf("%s: Can't create directory for '%s'\n", rn,
970 if (CreateCacheFile(fullpn_VFile, &statb))
971 printf("%s: Can't create '%s'\n", rn, fullpn_VFile);
973 inode_for_V[vFileNum] = statb.st_ino;
974 dir_for_V[vFileNum] = thisDir;
975 cache_dir_list[thisDir]++;
980 } else if (dir_for_V[vFileNum] >= maxDir
981 || dir_for_V[vFileNum] == -2) {
982 /* This file needs to move; move it to the first subdir
983 * that has extra space. (-2 means it's in the toplevel)
985 while (thisDir < maxDir
986 && cache_dir_list[thisDir] >= nFilesPerDir)
988 if (thisDir >= maxDir)
989 printf("%s: can't find directory to move V%d\n", rn,
993 (directory, dir_for_V[vFileNum], thisDir, vFileNum,
995 /* Cannot move. Ignore this file??? */
1002 /* At this point, we've moved all of the valid cache files
1003 * into the valid subdirs, and created all the extra
1004 * cachefiles we need to create. Next, rebalance any subdirs
1005 * with too many cache files into the directories with not
1006 * enough cache files. Note that thisDir currently sits at
1007 * the lowest subdir that _may_ have room.
1010 for (dirNum = 0; dirNum < maxDir; dirNum++) {
1011 struct afsd_file_list *thisFile;
1013 for (thisFile = cache_dir_filelist[dirNum];
1014 thisFile && cache_dir_list[dirNum] >= nFilesPerDir;
1015 thisFile = thisFile->next) {
1016 while (thisDir < maxDir
1017 && cache_dir_list[thisDir] >= nFilesPerDir)
1019 if (thisDir >= maxDir)
1020 printf("%s: can't find directory to move V%d\n", rn,
1024 (directory, dirNum, thisDir, thisFile->fileNum,
1026 /* Cannot move. Ignore this file??? */
1030 } /* for each file to move */
1031 } /* for each directory */
1033 /* Remove any directories >= maxDir -- they should be empty */
1034 for (; highDir >= maxDir; highDir--) {
1035 sprintf(fileToDelete, "D%d", highDir);
1036 UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
1042 * Close the directory, return success.
1045 printf("%s: Closing cache directory.\n", rn);
1051 CheckCacheBaseDir(char *dir)
1053 struct stat statbuf;
1056 return "cache base dir not specified";
1058 if (stat(dir, &statbuf) != 0) {
1059 return "unable to stat cache base directory";
1062 /* might want to check here for anything else goofy, like cache pointed at a non-dedicated directory, etc */
1064 #ifdef AFS_LINUX24_ENV
1067 struct statfs statfsbuf;
1069 res = statfs(dir, &statfsbuf);
1071 return "unable to statfs cache base directory";
1073 if (statfsbuf.f_type == 0x52654973) { /* REISERFS_SUPER_MAGIC */
1074 return "cannot use reiserfs as cache partition";
1075 } else if (statfsbuf.f_type == 0x58465342) { /* XFS_SUPER_MAGIC */
1076 return "cannot use xfs as cache partition";
1077 } else if (statfsbuf.f_type == 0x01021994) { /* TMPFS_SUPER_MAGIC */
1078 return "cannot use tmpfs as cache partition";
1079 } else if (statfsbuf.f_type != 0xEF53) {
1080 return "must use ext2 or ext3 for cache partition";
1088 struct statfs statfsbuf;
1091 res = statfs(dir, &statfsbuf);
1093 return "unable to statfs cache base directory";
1096 if (sysfs(GETFSTYP, statfsbuf.f_fsid[1], name) != 0) {
1097 return "unable to determine filesystem type for cache base dir";
1100 if (strcmp(name, "hfs")) {
1101 return "can only use hfs filesystem for cache partition on hpux";
1110 struct stat statmnt, statci;
1112 if ((stat(dir, &statci) == 0)
1113 && ((vfstab = fopen(MNTTAB, "r")) != NULL)) {
1114 while (getmntent(vfstab, &mnt) == 0) {
1115 if (strcmp(dir, mnt.mnt_mountp) != 0) {
1119 if (cp = hasmntopt(&mnt, "dev="))
1121 (int)strtol(cp + strlen("dev="), (char **)NULL,
1124 if ((rdev == 0) && (stat(mnt.mnt_mountp, &statmnt) == 0))
1125 rdev = statmnt.st_dev;
1127 if ((rdev == statci.st_dev)
1128 && (hasmntopt(&mnt, "logging") != NULL)) {
1132 "mounting a multi-use partition which contains the AFS cache with the\n\"logging\" option may deadlock your system.\n\n";
1146 SweepAFSCache(vFilesFound)
1149 static char rn[] = "SweepAFSCache"; /*Routine name */
1150 int maxDir = (cacheFiles + nFilesPerDir - 1) / nFilesPerDir;
1155 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1157 printf("%s: Memory Cache, no cache sweep done\n", rn);
1161 if (cache_dir_list == NULL) {
1162 cache_dir_list = (int *)malloc(maxDir * sizeof(*cache_dir_list));
1163 if (cache_dir_list == NULL) {
1164 printf("%s: Malloc Failed!\n", rn);
1167 for (i = 0; i < maxDir; i++)
1168 cache_dir_list[i] = -1; /* Does not exist */
1171 if (cache_dir_filelist == NULL) {
1172 cache_dir_filelist = (struct afsd_file_list **)
1173 malloc(maxDir * sizeof(*cache_dir_filelist));
1174 if (cache_dir_filelist == NULL) {
1175 printf("%s: Malloc Failed!\n", rn);
1178 memset(cache_dir_filelist, 0, maxDir * sizeof(*cache_dir_filelist));
1181 if (dir_for_V == NULL) {
1182 dir_for_V = (int *)malloc(cacheFiles * sizeof(*dir_for_V));
1183 if (dir_for_V == NULL) {
1184 printf("%s: Malloc Failed!\n", rn);
1187 for (i = 0; i < cacheFiles; i++)
1188 dir_for_V[i] = -1; /* Does not exist */
1191 /* Note, setting dirNum to -2 here will cause cachefiles found in
1192 * the toplevel directory to be marked in directory "-2". This
1193 * allows us to differentiate between 'file not seen' (-1) and
1194 * 'file seen in top-level' (-2). Then when we try to move the
1195 * file into a subdirectory, we know it's in the top-level instead
1196 * of some other cache subdir.
1198 return doSweepAFSCache(vFilesFound, cacheBaseDir, -2, maxDir);
1202 ConfigCell(struct afsconf_cell *aci, char *arock, struct afsconf_dir *adir)
1206 afs_int32 cellFlags = 0;
1207 afs_int32 hosts[MAXHOSTSPERCELL];
1209 /* figure out if this is the home cell */
1210 isHomeCell = (strcmp(aci->name, LclCellName) == 0);
1212 cellFlags = 2; /* not home, suid is forbidden */
1214 /* build address list */
1215 for (i = 0; i < MAXHOSTSPERCELL; i++)
1216 memcpy(&hosts[i], &aci->hostAddr[i].sin_addr, sizeof(afs_int32));
1218 if (aci->linkedCell)
1219 cellFlags |= 4; /* Flag that linkedCell arg exists,
1220 * for upwards compatibility */
1222 /* configure one cell */
1223 code = call_syscall(AFSOP_ADDCELL2, hosts, /* server addresses */
1224 aci->name, /* cell name */
1225 cellFlags, /* is this the home cell? */
1226 aci->linkedCell); /* Linked cell, if any */
1228 printf("Adding cell '%s': error %d\n", aci->name, code);
1233 ConfigCellAlias(struct afsconf_cellalias *aca,
1234 char *arock, struct afsconf_dir *adir)
1236 /* push the alias into the kernel */
1237 call_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName);
1241 #ifdef AFS_AFSDB_ENV
1243 AfsdbLookupHandler()
1245 afs_int32 kernelMsg[64];
1246 char acellName[128];
1248 struct afsconf_cell acellInfo;
1253 acellName[0] = '\0';
1256 /* On some platforms you only get 4 args to an AFS call */
1257 int sizeArg = ((sizeof acellName) << 16) | (sizeof kernelMsg);
1259 call_syscall(AFSOP_AFSDB_HANDLER, acellName, kernelMsg, sizeArg);
1260 if (code) { /* Something is wrong? */
1265 if (*acellName == 1) /* Shutting down */
1268 code = afsconf_GetAfsdbInfo(acellName, 0, &acellInfo);
1273 kernelMsg[0] = acellInfo.numServers;
1274 if (acellInfo.timeout)
1275 kernelMsg[1] = acellInfo.timeout - time(0);
1278 for (i = 0; i < acellInfo.numServers; i++)
1279 kernelMsg[i + 2] = acellInfo.hostAddr[i].sin_addr.s_addr;
1280 strncpy(acellName, acellInfo.name, sizeof(acellName));
1281 acellName[sizeof(acellName) - 1] = '\0';
1290 #include <sys/ioctl.h>
1293 #ifdef AFS_SGI65_ENV
1294 #define SET_RTPRI(P) { \
1295 struct sched_param sp; \
1296 sp.sched_priority = P; \
1297 if (sched_setscheduler(0, SCHED_RR, &sp)<0) { \
1298 perror("sched_setscheduler"); \
1301 #define SET_AFSD_RTPRI() SET_RTPRI(68)
1302 #define SET_RX_RTPRI() SET_RTPRI(199)
1304 #ifdef AFS_LINUX20_ENV
1305 #define SET_AFSD_RTPRI()
1306 #define SET_RX_RTPRI() do { if (setpriority(PRIO_PROCESS, 0, -10)<0) \
1307 perror("setting rx priority"); \
1310 #define SET_AFSD_RTPRI()
1311 #define SET_RX_RTPRI()
1315 mainproc(struct cmd_syndesc *as, char *arock)
1317 static char rn[] = "afsd"; /*Name of this routine */
1318 afs_int32 code; /*Result of fork() */
1320 int currVFile; /*Current AFS cache file number passed in */
1321 int mountFlags; /*Flags passed to mount() */
1322 int lookupResult; /*Result of GetLocalCellName() */
1323 int cacheIteration; /*How many times through cache verification */
1324 int vFilesFound; /*How many data cache files were found in sweep */
1325 struct afsconf_dir *cdir; /* config dir */
1327 char *fsTypeMsg = NULL;
1331 afs_int32 vfs1_type = -1;
1332 #ifdef AFS_SGI65_ENV
1333 struct sched_param sp;
1336 #ifdef AFS_SGI_VNODE_GLUE
1337 if (afs_init_kernel_config(-1) < 0) {
1338 printf("Can't determine NUMA configuration, not starting AFS.\n");
1343 /* call atoi on the appropriate parsed results */
1344 if (as->parms[0].items) {
1346 cacheBlocks = atoi(as->parms[0].items->data);
1349 if (as->parms[1].items) {
1351 cacheFiles = atoi(as->parms[1].items->data);
1352 filesSet = 1; /* set when spec'd on cmd line */
1354 if (as->parms[2].items) {
1356 strcpy(rootVolume, as->parms[2].items->data);
1359 if (as->parms[3].items) {
1361 cacheStatEntries = atoi(as->parms[3].items->data);
1362 sawCacheStatEntries = 1;
1364 if (as->parms[4].items) {
1366 cacheBaseDir[0] = '\0';
1367 sawCacheBaseDir = 1;
1368 cacheFlags |= AFSCALL_INIT_MEMCACHE;
1370 if (as->parms[5].items) {
1372 strcpy(cacheBaseDir, as->parms[5].items->data);
1373 sawCacheBaseDir = 1;
1375 if (as->parms[6].items) {
1377 strcpy(cacheMountDir, as->parms[6].items->data);
1378 sawCacheMountDir = 1;
1380 if (as->parms[7].items) {
1382 nDaemons = atoi(as->parms[7].items->data);
1384 if (as->parms[8].items) {
1386 cacheSetTime = FALSE;
1388 if (as->parms[9].items) {
1392 if (as->parms[10].items) {
1396 if (as->parms[11].items) {
1401 if (as->parms[12].items) {
1403 chunkSize = atoi(as->parms[12].items->data);
1404 if (chunkSize < 0 || chunkSize > 30) {
1406 ("afsd:invalid chunk size (not in range 0-30), using default\n");
1410 if (as->parms[13].items) {
1412 dCacheSize = atoi(as->parms[13].items->data);
1415 if (as->parms[14].items) {
1417 vCacheSize = atoi(as->parms[14].items->data);
1419 if (as->parms[15].items) {
1421 #ifndef AFS_AIX32_ENV
1423 ("afsd: [-biods] currently only enabled for aix3.x VM supported systems\n");
1425 nBiods = atoi(as->parms[15].items->data);
1429 if (as->parms[16].items) {
1431 preallocs = atoi(as->parms[16].items->data);
1434 if (as->parms[17].items) {
1436 inodes = atoi(as->parms[17].items->data);
1439 strcpy(confDir, AFSDIR_CLIENT_ETC_DIRPATH);
1440 if (as->parms[17].items) {
1442 strcpy(confDir, as->parms[17].items->data);
1444 sprintf(fullpn_CacheInfo, "%s/%s", confDir, CACHEINFOFILE);
1445 if (as->parms[18].items) {
1447 printf("afsd: Ignoring obsolete -logfile flag\n");
1449 if (as->parms[19].items) {
1451 afsd_CloseSynch = 1;
1453 if (as->parms[20].items) {
1457 * Cold shutdown is the default
1459 printf("afsd: Shutting down all afs processes and afs state\n");
1460 code = call_syscall(AFSOP_SHUTDOWN, 1);
1462 printf("afsd: AFS still mounted; Not shutting down\n");
1467 if (as->parms[21].items) {
1468 /* -enable_peer_stats */
1469 enable_peer_stats = 1;
1471 if (as->parms[22].items) {
1472 /* -enable_process_stats */
1473 enable_process_stats = 1;
1475 if (as->parms[23].items) {
1476 /* -mem_alloc_sleep */
1477 cacheFlags |= AFSCALL_INIT_MEMCACHE_SLEEP;
1479 if (as->parms[24].items) {
1481 #ifdef AFS_AFSDB_ENV
1484 printf("afsd: No AFSDB support; ignoring -afsdb");
1487 if (as->parms[25].items) {
1488 /* -files_per_subdir */
1489 int res = atoi(as->parms[25].items->data);
1490 if (res < 10 || res > (1 << 30)) {
1492 ("afsd:invalid number of files per subdir, \"%s\". Ignored\n",
1493 as->parms[25].items->data);
1498 if (as->parms[26].items) {
1502 if (as->parms[27].items) {
1504 enable_fakestat = 2;
1506 if (as->parms[28].items) {
1508 enable_fakestat = 1;
1510 if (as->parms[29].items) {
1514 if (as->parms[30].items) {
1516 enable_backuptree = 1;
1518 if (as->parms[31].items) {
1522 if (as->parms[32].items) {
1524 cacheSetTime = TRUE;
1527 /* set rx_extraPackets */
1528 if (as->parms[33].items) {
1530 int rxpck = atoi(as->parms[33].items->data);
1531 printf("afsd: set rxpck = %d\n", rxpck);
1532 code = call_syscall(AFSOP_SET_RXPCK, rxpck);
1534 printf("afsd: failed to set rxpck\n");
1538 if (as->parms[34].items) {
1540 if (!as->parms[34].items->data ||
1541 ((c = strchr(as->parms[34].items->data, '/')) == NULL))
1543 ("ignoring splitcache (specify as RW/RO percentages: 60/40)\n");
1545 ropct = atoi((char *)c + 1);
1547 rwpct = atoi((char *)as->parms[30].items->data);
1548 if ((rwpct != 0) && (ropct != 0) && (ropct + rwpct == 100)) {
1550 enable_splitcache = 1;
1555 * Pull out all the configuration info for the workstation's AFS cache and
1556 * the cellular community we're willing to let our users see.
1558 cdir = afsconf_Open(confDir);
1560 printf("afsd: some file missing or bad in %s\n", confDir);
1565 afsconf_GetLocalCell(cdir, LclCellName, sizeof(LclCellName));
1567 printf("%s: Can't get my home cell name! [Error is %d]\n", rn,
1571 printf("%s: My home cell is '%s'\n", rn, LclCellName);
1574 /* parse cacheinfo file if this is a diskcache */
1575 if (ParseCacheInfoFile()) {
1579 /* do some random computations in memcache case to get things to work
1580 * reasonably no matter which parameters you set.
1582 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1583 /* memory cache: size described either as blocks or dcache entries, but
1587 fprintf(stderr, "%s: -files ignored with -memcache\n", rn);
1589 if (sawDCacheSize) {
1590 if (chunkSize == 0) {
1591 chunkSize = 13; /* 8k default chunksize for memcache */
1593 if (sawCacheBlocks) {
1595 ("%s: can't set cache blocks and dcache size simultaneously when diskless.\n",
1599 /* compute the cache size based on # of chunks times the chunk size */
1600 i = (1 << chunkSize); /* bytes per chunk */
1601 cacheBlocks = i * dCacheSize;
1602 sawCacheBlocks = 1; /* so that ParseCacheInfoFile doesn't overwrite */
1604 if (chunkSize == 0) {
1605 /* Try to autotune the memcache chunksize based on size
1606 * of memcache. This is done on the assumption that approx
1607 * 1024 chunks is suitable, it's a balance between enough
1608 * chunks to be useful and ramping up nicely when using larger
1609 * memcache to improve bulk read/write performance
1612 i <= 21 && (1 << i) / 1024 < (cacheBlocks / 1024); i++);
1615 /* compute the dcache size from overall cache size and chunk size */
1616 if (chunkSize > 10) {
1617 dCacheSize = (cacheBlocks >> (chunkSize - 10));
1618 } else if (chunkSize < 10) {
1619 dCacheSize = (cacheBlocks << (10 - chunkSize));
1621 dCacheSize = cacheBlocks;
1623 /* don't have to set sawDCacheSize here since it isn't overwritten
1624 * by ParseCacheInfoFile.
1628 printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
1630 /* kernel computes # of dcache entries as min of cacheFiles and
1631 * dCacheSize, so we now make them equal.
1633 cacheFiles = dCacheSize;
1636 * Compute the number of cache files based on cache size,
1637 * but only if -files isn't given on the command line.
1638 * Don't let # files be so small as to prevent full utilization
1639 * of the cache unless user has explicitly asked for it.
1641 if (chunkSize == 0) {
1642 /* Set chunksize to 256kB - 1MB depending on cache size */
1643 if (cacheBlocks < 500000) {
1645 } else if (cacheBlocks < 1000000) {
1652 cacheFiles = cacheBlocks / 32; /* Assume 32k avg filesize */
1654 cacheFiles = max(cacheFiles, 1000);
1656 /* Always allow more files than chunks. Presume average V-file
1657 * is ~67% of a chunk... (another guess, perhaps Honeyman will
1658 * have a grad student write a paper). i is KILOBYTES.
1660 i = 1 << (chunkSize < 10 ? 0 : chunkSize - 10);
1661 cacheFiles = max(cacheFiles, 1.5 * (cacheBlocks / i));
1663 /* never permit more files than blocks, while leaving space for
1664 * VolumeInfo and CacheItems files. VolumeInfo is usually 20K,
1665 * CacheItems is 50 Bytes / file (== 1K/20)
1667 #define CACHEITMSZ (cacheFiles / 20)
1668 #define VOLINFOSZ 50 /* 40kB has been seen, be conservative */
1669 #define CELLINFOSZ 4 /* Assuming disk block size is 4k ... */
1670 #define INFOSZ (VOLINFOSZ+CELLINFOSZ+CACHEITMSZ)
1672 /* Sanity check: If the obtained number of disk cache files
1673 * is larger than the number of available (4k) disk blocks, we're
1674 * doing something wrong. Fail hard so we can fix the bug instead
1675 * of silently hiding it like before */
1677 if (cacheFiles > (cacheBlocks - INFOSZ) / 4) {
1679 "%s: ASSERT: cacheFiles %d diskblocks %d\n",
1680 rn, cacheFiles, (cacheBlocks - INFOSZ) / 4);
1683 if (cacheFiles < 100)
1684 fprintf(stderr, "%s: WARNING: cache probably too small!\n",
1688 printf("%s: cacheFiles autotuned to %d\n", rn, cacheFiles);
1691 /* This actually needs to
1693 2) not second-guess when a chunksize comes from the command line
1694 3) be less, um, small. 2^2??
1696 /* Sanity check chunkSize */
1697 i = max(cacheBlocks / 1000, cacheBlocks / cacheFiles);
1698 chunkSize = min(chunkSize, i);
1699 chunkSize = max(chunkSize, 2);
1701 printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
1704 if (!sawDCacheSize) {
1705 dCacheSize = cacheFiles / 2;
1706 if (dCacheSize > 10000) {
1709 if (dCacheSize < 2000) {
1713 printf("%s: dCacheSize autotuned to %d\n", rn, dCacheSize);
1716 if (!sawCacheStatEntries) {
1717 if (chunkSize <= 13) {
1718 cacheStatEntries = dCacheSize / 4;
1719 } else if (chunkSize >= 16) {
1720 cacheStatEntries = dCacheSize * 1.5;
1722 cacheStatEntries = dCacheSize;
1725 printf("%s: cacheStatEntries autotuned to %d\n", rn,
1730 * Create and zero the inode table for the desired cache files.
1732 inode_for_V = (AFSD_INO_T *) malloc(cacheFiles * sizeof(AFSD_INO_T));
1733 if (inode_for_V == (AFSD_INO_T *) 0) {
1735 ("%s: malloc() failed for cache file inode table with %d entries.\n",
1739 memset(inode_for_V, '\0', (cacheFiles * sizeof(AFSD_INO_T)));
1741 printf("%s: %d inode_for_V entries at 0x%x, %d bytes\n", rn,
1742 cacheFiles, inode_for_V, (cacheFiles * sizeof(AFSD_INO_T)));
1745 * Set up all the pathnames we'll need for later.
1747 sprintf(fullpn_DCacheFile, "%s/%s", cacheBaseDir, DCACHEFILE);
1748 sprintf(fullpn_VolInfoFile, "%s/%s", cacheBaseDir, VOLINFOFILE);
1749 sprintf(fullpn_CellInfoFile, "%s/%s", cacheBaseDir, CELLINFOFILE);
1750 sprintf(fullpn_VFile, "%s/", cacheBaseDir);
1751 vFilePtr = fullpn_VFile + strlen(fullpn_VFile);
1753 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)
1754 && (fsTypeMsg = CheckCacheBaseDir(cacheBaseDir))) {
1756 printf("%s: WARNING: Cache dir check failed (%s)\n", rn, fsTypeMsg);
1758 printf("%s: ERROR: Cache dir check failed (%s)\n", rn, fsTypeMsg);
1763 fputs(AFS_GOVERNMENT_MESSAGE, stdout);
1768 * Set up all the kernel processes needed for AFS.
1771 setpgrp(getpid(), 0);
1774 /* Initialize RX daemons and services */
1776 /* initialize the rx random number generator from user space */
1778 /* parse multihomed address files */
1779 afs_int32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
1783 parseNetFiles(addrbuf, maskbuf, mtubuf, MAXIPADDRS, reason,
1784 AFSDIR_CLIENT_NETINFO_FILEPATH,
1785 AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
1788 code = code | 0x80000000;
1789 call_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
1791 printf("ADVISEADDR: Error in specifying interface addresses:%s\n",
1795 /* Set realtime priority for most threads to same as for biod's. */
1798 #ifdef AFS_SGI53_ENV
1799 #ifdef AFS_SGI61_ENV
1801 #else /* AFS_SGI61_ENV */
1802 code = get_nfsstaticaddr();
1804 call_syscall(AFSOP_NFSSTATICADDR, code);
1805 #endif /* AFS_SGI61_ENV */
1806 #endif /* AFS_SGI_53_ENV */
1808 /* Start listener, then callback listener. Lastly, start rx event daemon.
1809 * Change in ordering is so that Linux port has socket fd in listener
1811 * preallocs are passed for both listener and callback server. Only
1812 * the one which actually does the initialization uses them though.
1814 if (preallocs < cacheStatEntries + 50)
1815 preallocs = cacheStatEntries + 50;
1816 #ifdef RXK_LISTENER_ENV
1818 printf("%s: Forking rx listener daemon.\n", rn);
1822 SET_RX_RTPRI(); /* max advised for non-interrupts */
1823 call_syscall(AFSOP_RXLISTENER_DAEMON, preallocs, enable_peer_stats,
1824 enable_process_stats);
1827 #ifdef AFS_SUN510_ENV
1828 waitpid((pid_t) -1, NULL, 0);
1832 printf("%s: Forking rx callback listener.\n", rn);
1836 call_syscall(AFSOP_START_RXCALLBACK, preallocs);
1839 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
1841 printf("%s: Forking rxevent daemon.\n", rn);
1845 SET_RX_RTPRI(); /* max advised for non-interrupts */
1846 call_syscall(AFSOP_RXEVENT_DAEMON);
1851 #ifdef AFS_AFSDB_ENV
1854 printf("%s: Forking AFSDB lookup handler.\n", rn);
1857 /* Since the AFSDB lookup handler runs as a user process,
1858 * need to drop the controlling TTY, etc.
1860 if (daemon(0, 0) == -1) {
1861 printf("Error starting AFSDB lookup handler: %s\n",
1865 AfsdbLookupHandler();
1871 code = call_syscall(AFSOP_BASIC_INIT, 1);
1873 printf("%s: Error %d in basic initialization.\n", rn, code);
1878 * Tell the kernel some basic information about the workstation's cache.
1882 ("%s: Calling AFSOP_CACHEINIT: %d stat cache entries, %d optimum cache files, %d blocks in the cache, flags = 0x%x, dcache entries %d\n",
1883 rn, cacheStatEntries, cacheFiles, cacheBlocks, cacheFlags,
1885 memset(&cparams, '\0', sizeof(cparams));
1886 cparams.cacheScaches = cacheStatEntries;
1887 cparams.cacheFiles = cacheFiles;
1888 cparams.cacheBlocks = cacheBlocks;
1889 cparams.cacheDcaches = dCacheSize;
1890 cparams.cacheVolumes = vCacheSize;
1891 cparams.chunkSize = chunkSize;
1892 cparams.setTimeFlag = cacheSetTime;
1893 cparams.memCacheFlag = cacheFlags;
1895 cparams.inodes = inodes;
1897 call_syscall(AFSOP_CACHEINIT, &cparams);
1899 /* do it before we init the cache inodes */
1900 if (enable_splitcache) {
1901 call_syscall(AFSOP_BUCKETPCT, 1, rwpct);
1902 call_syscall(AFSOP_BUCKETPCT, 2, ropct);
1905 if (afsd_CloseSynch)
1906 call_syscall(AFSOP_CLOSEWAIT);
1909 * Sweep the workstation AFS cache directory, remembering the inodes of
1910 * valid files and deleting extraneous files. Keep sweeping until we
1911 * have the right number of data cache files or we've swept too many
1914 * This also creates files in the cache directory like VolumeItems and
1915 * CellItems, and thus must be ran before those are sent to the kernel.
1918 printf("%s: Sweeping workstation's AFS cache directory.\n", rn);
1920 /* Memory-cache based system doesn't need any of this */
1921 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
1924 if (SweepAFSCache(&vFilesFound)) {
1925 printf("%s: Error on sweep %d of workstation AFS cache \
1926 directory.\n", rn, cacheIteration);
1931 ("%s: %d out of %d data cache files found in sweep %d.\n",
1932 rn, vFilesFound, cacheFiles, cacheIteration);
1933 } while ((vFilesFound < cacheFiles)
1934 && (cacheIteration < MAX_CACHE_LOOPS));
1935 } else if (afsd_verbose)
1936 printf("%s: Using memory cache, not swept\n", rn);
1939 * Pass the kernel the name of the workstation cache file holding the
1943 printf("%s: Calling AFSOP_CACHEINFO: dcache file is '%s'\n", rn,
1945 /* once again, meaningless for a memory-based cache. */
1946 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
1947 call_syscall(AFSOP_CACHEINFO, fullpn_DCacheFile);
1950 * Pass the kernel the name of the workstation cache file holding the
1954 printf("%s: Calling AFSOP_CELLINFO: cell info file is '%s'\n", rn,
1955 fullpn_CellInfoFile);
1956 call_syscall(AFSOP_CELLINFO, fullpn_CellInfoFile);
1958 if (enable_dynroot) {
1960 printf("%s: Enabling dynroot support in kernel.\n", rn);
1961 code = call_syscall(AFSOP_SET_DYNROOT, 1);
1963 printf("%s: Error enabling dynroot support.\n", rn);
1966 if (enable_fakestat) {
1968 printf("%s: Enabling fakestat support in kernel.\n", rn);
1969 code = call_syscall(AFSOP_SET_FAKESTAT, enable_fakestat);
1971 printf("%s: Error enabling fakestat support.\n", rn);
1974 if (enable_backuptree) {
1976 printf("%s: Enabling backup tree support in kernel.\n", rn);
1977 code = call_syscall(AFSOP_SET_BACKUPTREE, enable_backuptree);
1979 printf("%s: Error enabling backup tree support.\n", rn);
1983 * Tell the kernel about each cell in the configuration.
1985 afsconf_CellApply(cdir, ConfigCell, NULL);
1986 afsconf_CellAliasApply(cdir, ConfigCellAlias, NULL);
1989 * Set the primary cell name.
1991 call_syscall(AFSOP_SET_THISCELL, LclCellName);
1993 /* Initialize AFS daemon threads. */
1995 printf("%s: Forking AFS daemon.\n", rn);
1999 call_syscall(AFSOP_START_AFS);
2004 printf("%s: Forking Check Server Daemon.\n", rn);
2008 code = call_syscall(AFSOP_START_CS);
2010 printf("%s: No check server daemon in client.\n", rn);
2015 printf("%s: Forking %d background daemons.\n", rn, nDaemons);
2016 #if defined(AFS_SGI_ENV) && defined(AFS_SGI_SHORTSTACK)
2017 /* Add one because for sgi we always "steal" the first daemon for a
2018 * different task if we only have a 4K stack.
2022 for (i = 0; i < nDaemons; i++) {
2026 #ifdef AFS_AIX32_ENV
2027 call_syscall(AFSOP_START_BKG, 0);
2029 call_syscall(AFSOP_START_BKG);
2034 #ifdef AFS_AIX32_ENV
2036 nBiods = nDaemons * 2;
2039 for (i = 0; i < nBiods; i++) {
2041 if (code == 0) { /* Child */
2042 call_syscall(AFSOP_START_BKG, nBiods);
2049 * If the root volume has been explicitly set, tell the kernel.
2053 printf("%s: Calling AFSOP_ROOTVOLUME with '%s'\n", rn,
2055 call_syscall(AFSOP_ROOTVOLUME, rootVolume);
2059 * Pass the kernel the name of the workstation cache file holding the
2060 * volume information.
2063 printf("%s: Calling AFSOP_VOLUMEINFO: volume info file is '%s'\n", rn,
2064 fullpn_VolInfoFile);
2065 /* once again, meaningless for a memory-based cache. */
2066 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
2067 call_syscall(AFSOP_VOLUMEINFO, fullpn_VolInfoFile);
2070 * Give the kernel the names of the AFS files cached on the workstation's
2075 ("%s: Calling AFSOP_CACHEINODE for each of the %d files in '%s'\n",
2076 rn, cacheFiles, cacheBaseDir);
2077 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... and again ... */
2078 for (currVFile = 0; currVFile < cacheFiles; currVFile++) {
2079 #ifdef AFS_SGI62_ENV
2080 call_syscall(AFSOP_CACHEINODE,
2081 (afs_uint32) (inode_for_V[currVFile] >> 32),
2082 (afs_uint32) (inode_for_V[currVFile] & 0xffffffff));
2084 call_syscall(AFSOP_CACHEINODE, inode_for_V[currVFile]);
2091 * All the necessary info has been passed into the kernel to run an AFS
2092 * system. Give the kernel our go-ahead.
2095 printf("%s: Calling AFSOP_GO with cacheSetTime = %d\n", rn,
2097 call_syscall(AFSOP_GO, cacheSetTime);
2100 * At this point, we have finished passing the kernel all the info
2101 * it needs to set up the AFS. Mount the AFS root.
2103 printf("%s: All AFS daemons started.\n", rn);
2106 printf("%s: Forking trunc-cache daemon.\n", rn);
2110 call_syscall(AFSOP_START_TRUNCDAEMON);
2114 if (!enable_nomount) {
2116 mountFlags = 0; /* Read/write file system, can do setuid() */
2117 #if defined(AFS_SUN_ENV) || defined(AFS_SUN5_ENV)
2119 mountFlags |= MS_DATA;
2121 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... */
2125 #if defined(AFS_HPUX100_ENV)
2126 mountFlags |= MS_DATA;
2130 printf("%s: Mounting the AFS root on '%s', flags: %d.\n", rn,
2131 cacheMountDir, mountFlags);
2132 #if defined(AFS_FBSD60_ENV)
2133 /* data must be non-NULL but is otherwise ignored */
2134 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, rn)) < 0) {
2135 #elif defined(AFS_FBSD_ENV)
2136 if ((mount("AFS", cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
2137 #elif defined(AFS_AIX_ENV)
2139 #elif defined(AFS_HPUX100_ENV)
2140 if ((mount("", cacheMountDir, mountFlags, "afs", NULL, 0)) < 0) {
2141 #elif defined(AFS_SUN5_ENV)
2142 if ((mount("AFS", cacheMountDir, mountFlags, "afs", NULL, 0)) < 0) {
2143 #elif defined(AFS_SGI_ENV)
2144 mountFlags = MS_FSS;
2145 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) MOUNT_AFS))
2147 #elif defined(AFS_LINUX20_ENV)
2148 if ((mount("AFS", cacheMountDir, MOUNT_AFS, 0, NULL)) < 0) {
2150 /* This is the standard mount used by the suns and rts */
2151 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
2153 printf("%s: Can't mount AFS on %s(%d)\n", rn, cacheMountDir,
2164 printf("%s: Forking 'rmtsys' daemon.\n", rn);
2173 * Exit successfully.
2178 #include "AFS_component_version_number.c"
2182 main(int argc, char **argv)
2184 struct cmd_syndesc *ts;
2186 ts = cmd_CreateSyntax(NULL, mainproc, NULL, "start AFS");
2187 cmd_AddParm(ts, "-blocks", CMD_SINGLE, CMD_OPTIONAL,
2188 "1024 byte blocks in cache");
2189 cmd_AddParm(ts, "-files", CMD_SINGLE, CMD_OPTIONAL, "files in cache");
2190 cmd_AddParm(ts, "-rootvol", CMD_SINGLE, CMD_OPTIONAL,
2191 "name of AFS root volume");
2192 cmd_AddParm(ts, "-stat", CMD_SINGLE, CMD_OPTIONAL,
2193 "number of stat entries");
2194 cmd_AddParm(ts, "-memcache", CMD_FLAG, CMD_OPTIONAL, "run diskless");
2195 cmd_AddParm(ts, "-cachedir", CMD_SINGLE, CMD_OPTIONAL, "cache directory");
2196 cmd_AddParm(ts, "-mountdir", CMD_SINGLE, CMD_OPTIONAL, "mount location");
2197 cmd_AddParm(ts, "-daemons", CMD_SINGLE, CMD_OPTIONAL,
2198 "number of daemons to use");
2199 cmd_AddParm(ts, "-nosettime", CMD_FLAG, CMD_OPTIONAL,
2200 "don't set the time");
2201 cmd_AddParm(ts, "-verbose", CMD_FLAG, CMD_OPTIONAL,
2202 "display lots of information");
2203 cmd_AddParm(ts, "-rmtsys", CMD_FLAG, CMD_OPTIONAL,
2204 "start NFS rmtsysd program");
2205 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL, "display debug info");
2206 cmd_AddParm(ts, "-chunksize", CMD_SINGLE, CMD_OPTIONAL,
2207 "log(2) of chunk size");
2208 cmd_AddParm(ts, "-dcache", CMD_SINGLE, CMD_OPTIONAL,
2209 "number of dcache entries");
2210 cmd_AddParm(ts, "-volumes", CMD_SINGLE, CMD_OPTIONAL,
2211 "number of volume entries");
2212 cmd_AddParm(ts, "-biods", CMD_SINGLE, CMD_OPTIONAL,
2213 "number of bkg I/O daemons (aix vm)");
2215 cmd_AddParm(ts, "-prealloc", CMD_SINGLE, CMD_OPTIONAL,
2216 "number of 'small' preallocated blocks");
2218 cmd_AddParm(ts, "-pininodes", CMD_SINGLE, CMD_OPTIONAL,
2219 "number of inodes to hog");
2221 cmd_AddParm(ts, "-confdir", CMD_SINGLE, CMD_OPTIONAL,
2222 "configuration directory");
2223 cmd_AddParm(ts, "-logfile", CMD_SINGLE, CMD_OPTIONAL,
2224 "Place to keep the CM log");
2225 cmd_AddParm(ts, "-waitclose", CMD_FLAG, CMD_OPTIONAL,
2226 "make close calls synchronous");
2227 cmd_AddParm(ts, "-shutdown", CMD_FLAG, CMD_OPTIONAL,
2228 "Shutdown all afs state");
2229 cmd_AddParm(ts, "-enable_peer_stats", CMD_FLAG, CMD_OPTIONAL | CMD_HIDE,
2230 "Collect rpc statistics by peer");
2231 cmd_AddParm(ts, "-enable_process_stats", CMD_FLAG,
2232 CMD_OPTIONAL | CMD_HIDE,
2233 "Collect rpc statistics for this process");
2234 cmd_AddParm(ts, "-mem_alloc_sleep", CMD_FLAG, (CMD_OPTIONAL | CMD_HIDE),
2235 "Allow sleeps when allocating memory cache");
2236 cmd_AddParm(ts, "-afsdb", CMD_FLAG, (CMD_OPTIONAL
2237 #ifndef AFS_AFSDB_ENV
2240 ), "Enable AFSDB support");
2241 cmd_AddParm(ts, "-files_per_subdir", CMD_SINGLE, CMD_OPTIONAL,
2242 "log(2) of the number of cache files per cache subdirectory");
2243 cmd_AddParm(ts, "-dynroot", CMD_FLAG, CMD_OPTIONAL,
2244 "Enable dynroot support");
2245 cmd_AddParm(ts, "-fakestat", CMD_FLAG, CMD_OPTIONAL,
2246 "Enable fakestat support for cross-cell mounts");
2247 cmd_AddParm(ts, "-fakestat-all", CMD_FLAG, CMD_OPTIONAL,
2248 "Enable fakestat support for all mounts");
2249 cmd_AddParm(ts, "-nomount", CMD_FLAG, CMD_OPTIONAL, "Do not mount AFS");
2250 cmd_AddParm(ts, "-backuptree", CMD_FLAG, CMD_OPTIONAL,
2251 "Prefer backup volumes for mointpoints in backup volumes");
2252 cmd_AddParm(ts, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
2253 "Bind the Rx socket (one interface only)");
2254 cmd_AddParm(ts, "-settime", CMD_FLAG, CMD_OPTIONAL, "set the time");
2255 cmd_AddParm(ts, "-rxpck", CMD_SINGLE, CMD_OPTIONAL,
2256 "set rx_extraPackets to this value");
2257 cmd_AddParm(ts, "-splitcache", CMD_SINGLE, CMD_OPTIONAL,
2258 "Percentage RW versus RO in cache (specify as 60/40)");
2260 return (cmd_Dispatch(argc, argv));
2265 #define MOUNTED_TABLE MNT_MNTTAB
2268 #define MOUNTED_TABLE MNTTAB
2270 #define MOUNTED_TABLE MOUNTED
2277 #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)
2281 struct mnttab tmntent;
2283 memset(&tmntent, '\0', sizeof(struct mnttab));
2284 if (!(tfilep = fopen(MOUNTED_TABLE, "a+"))) {
2285 printf("Can't open %s\n", MOUNTED_TABLE);
2289 tmntent.mnt_special = "AFS";
2290 tmntent.mnt_mountp = cacheMountDir;
2291 tmntent.mnt_fstype = "xx";
2292 tmntent.mnt_mntopts = "rw";
2293 sprintf(tbuf, "%ld", (long)time((time_t *) 0));
2294 tmntent.mnt_time = tbuf;
2295 putmntent(tfilep, &tmntent);
2298 #if defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)
2299 struct mntent tmntent;
2301 tfilep = setmntent("/etc/mtab", "a+");
2302 tmntent.mnt_fsname = "AFS";
2303 tmntent.mnt_dir = cacheMountDir;
2304 tmntent.mnt_type = "afs";
2305 tmntent.mnt_opts = "rw";
2306 tmntent.mnt_freq = 1;
2307 tmntent.mnt_passno = 3;
2308 addmntent(tfilep, &tmntent);
2311 struct mntent tmntent;
2313 memset(&tmntent, '\0', sizeof(struct mntent));
2314 tfilep = setmntent(MOUNTED_TABLE, "a+");
2316 printf("Can't open %s for write; Not adding afs entry to it\n",
2320 tmntent.mnt_fsname = "AFS";
2321 tmntent.mnt_dir = cacheMountDir;
2322 tmntent.mnt_type = "xx";
2323 tmntent.mnt_opts = "rw";
2324 tmntent.mnt_freq = 1;
2325 tmntent.mnt_passno = 3;
2327 tmntent.mnt_type = "afs";
2328 tmntent.mnt_time = time(0);
2329 tmntent.mnt_cnode = 0;
2331 addmntent(tfilep, &tmntent);
2333 #endif /* AFS_SGI_ENV */
2334 #endif /* AFS_SUN5_ENV */
2335 #endif /* unreasonable systems */
2336 #ifdef AFS_DARWIN_ENV
2337 mach_port_t diskarb_port;
2338 kern_return_t status;
2340 status = DiskArbStart(&diskarb_port);
2341 if (status == KERN_SUCCESS) {
2343 DiskArbDiskAppearedWithMountpointPing_auto("AFS",
2344 DISK_ARB_NETWORK_DISK_FLAG,
2349 #endif /* AFS_DARWIN_ENV */
2353 #if !defined(AFS_SGI_ENV) && !defined(AFS_AIX32_ENV)
2355 call_syscall(param1, param2, param3, param4, param5, param6, param7)
2356 long param1, param2, param3, param4, param5, param6, param7;
2359 #ifdef AFS_LINUX20_ENV
2361 struct afsprocdata syscall_data;
2362 int fd = open(PROC_SYSCALL_FNAME, O_RDWR);
2364 fd = open(PROC_SYSCALL_ARLA_FNAME, O_RDWR);
2370 param4 = (long)eparm;
2372 syscall_data.syscall = AFSCALL_CALL;
2373 syscall_data.param1 = param1;
2374 syscall_data.param2 = param2;
2375 syscall_data.param3 = param3;
2376 syscall_data.param4 = param4;
2378 error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
2382 #ifdef AFS_DARWIN80_ENV
2383 struct afssysargs syscall_data;
2384 int fd = open(SYSCALL_DEV_FNAME,O_RDWR);
2385 syscall_data.syscall = AFSCALL_CALL;
2386 syscall_data.param1 = param1;
2387 syscall_data.param2 = param2;
2388 syscall_data.param3 = param3;
2389 syscall_data.param4 = param4;
2390 syscall_data.param5 = param5;
2391 syscall_data.param6 = param6;
2393 error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
2399 error=syscall_data.retval;
2402 syscall(AFS_SYSCALL, AFSCALL_CALL, param1, param2, param3, param4,
2403 param5, param6, param7);
2407 printf("SScall(%d, %d, %d)=%d ", AFS_SYSCALL, AFSCALL_CALL, param1,
2411 #else /* AFS_AIX32_ENV */
2412 #if defined(AFS_SGI_ENV)
2413 call_syscall(call, parm0, parm1, parm2, parm3, parm4)
2418 error = afs_syscall(call, parm0, parm1, parm2, parm3, parm4);
2420 printf("SScall(%d, %d)=%d ", call, parm0, error);
2425 call_syscall(call, parm0, parm1, parm2, parm3, parm4, parm5, parm6)
2428 return syscall(AFSCALL_CALL, call, parm0, parm1, parm2, parm3, parm4,
2431 #endif /* AFS_SGI_ENV */
2432 #endif /* AFS_AIX32_ENV */
2436 /* Special handling for AIX's afs mount operation since they require much more miscl. information before making the vmount(2) syscall */
2437 #include <sys/vfs.h>
2439 #define ROUNDUP(x) (((x) + 3) & ~3)
2443 struct vmount *vmountp;
2446 size = sizeof(struct vmount) + ROUNDUP(strlen(cacheMountDir) + 1) + 5 * 4;
2447 /* Malloc the vmount structure */
2448 if ((vmountp = (struct vmount *)malloc(size)) == (struct vmount *)NULL) {
2449 printf("Can't allocate space for the vmount structure (AIX)\n");
2453 /* zero out the vmount structure */
2454 memset(vmountp, '\0', size);
2456 /* transfer info into the vmount structure */
2457 vmountp->vmt_revision = VMT_REVISION;
2458 vmountp->vmt_length = size;
2459 vmountp->vmt_fsid.fsid_dev = 0;
2460 vmountp->vmt_fsid.fsid_type = AFS_MOUNT_AFS;
2461 vmountp->vmt_vfsnumber = 0;
2462 vmountp->vmt_time = 0; /* We'll put the time soon! */
2463 vmountp->vmt_flags = VFS_DEVMOUNT; /* read/write permission */
2464 vmountp->vmt_gfstype = AFS_MOUNT_AFS;
2465 vmountdata(vmountp, "AFS", cacheMountDir, "", "", "", "rw");
2467 /* Do the actual mount system call */
2468 error = vmount(vmountp, size);
2473 vmountdata(struct vmount * vmtp, char *obj, char *stub, char *host,
2474 char *hostsname, char *info, char *args)
2482 vdp = (struct data *)vmtp->vmt_data;
2483 vdp->vmt_off = sizeof(struct vmount);
2484 size = ROUNDUP(strlen(obj) + 1);
2485 vdp->vmt_size = size;
2486 strcpy(vmt2dataptr(vmtp, VMT_OBJECT), obj);
2490 vdp->vmt_off = vdprev->vmt_off + size;
2491 size = ROUNDUP(strlen(stub) + 1);
2492 vdp->vmt_size = size;
2493 strcpy(vmt2dataptr(vmtp, VMT_STUB), stub);
2497 vdp->vmt_off = vdprev->vmt_off + size;
2498 size = ROUNDUP(strlen(host) + 1);
2499 vdp->vmt_size = size;
2500 strcpy(vmt2dataptr(vmtp, VMT_HOST), host);
2504 vdp->vmt_off = vdprev->vmt_off + size;
2505 size = ROUNDUP(strlen(hostsname) + 1);
2506 vdp->vmt_size = size;
2507 strcpy(vmt2dataptr(vmtp, VMT_HOSTNAME), hostsname);
2512 vdp->vmt_off = vdprev->vmt_off + size;
2513 size = ROUNDUP(strlen(info) + 1);
2514 vdp->vmt_size = size;
2515 strcpy(vmt2dataptr(vmtp, VMT_INFO), info);
2519 vdp->vmt_off = vdprev->vmt_off + size;
2520 size = ROUNDUP(strlen(args) + 1);
2521 vdp->vmt_size = size;
2522 strcpy(vmt2dataptr(vmtp, VMT_ARGS), args);
2524 #endif /* AFS_AIX_ENV */
2526 #ifdef AFS_SGI53_ENV
2527 #ifdef AFS_SGI61_ENV
2528 /* The dwarf structures are searched to find entry points of static functions
2529 * and the addresses of static variables. The file name as well as the
2530 * sybmol name is reaquired.
2533 /* Contains list of names to find in given file. */
2535 char *name; /* Name of variable or function. */
2536 afs_hyper_t addr; /* Address of function, undefined if not found. */
2537 Dwarf_Half type; /* DW_AT_location for vars, DW_AT_lowpc for func's */
2538 char found; /* set if found. */
2542 char *file; /* Name of file containing vars or funcs */
2543 staticAddrList *addrList; /* List of vars and/or funcs. */
2544 int nAddrs; /* # of addrList's */
2545 int found; /* set if we've found this file already. */
2548 /* routines used to find addresses in /unix */
2549 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2550 void findMDebugStaticAddresses(staticNameList *, int, int);
2552 void findDwarfStaticAddresses(staticNameList *, int);
2553 void findElfAddresses(Dwarf_Debug, Dwarf_Die, staticNameList *);
2554 void getElfAddress(Dwarf_Debug, Dwarf_Die, staticAddrList *);
2556 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2557 #define AFS_N_FILELISTS 2
2558 #define AFS_SYMS_NEEDED 3
2559 #else /* AFS_SGI62_ENV */
2560 #define AFS_N_FILELISTS 1
2561 #endif /* AFS_SGI62_ENV */
2566 set_staticaddrs(void)
2568 staticNameList fileList[AFS_N_FILELISTS];
2570 fileList[0].addrList =
2571 (staticAddrList *) calloc(1, sizeof(staticAddrList));
2572 if (!fileList[0].addrList) {
2573 printf("set_staticaddrs: Can't calloc fileList[0].addrList\n");
2576 fileList[0].file = "nfs_server.c";
2577 fileList[0].found = 0;
2578 fileList[0].nAddrs = 1;
2579 fileList[0].addrList[0].name = "rfsdisptab_v2";
2580 fileList[0].addrList[0].type = DW_AT_location;
2581 fileList[0].addrList[0].found = 0;
2583 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2584 fileList[1].addrList =
2585 (staticAddrList *) calloc(2, sizeof(staticAddrList));
2586 if (!fileList[1].addrList) {
2587 printf("set_staticaddrs: Can't malloc fileList[1].addrList\n");
2590 fileList[1].file = "uipc_socket.c";
2591 fileList[1].found = 0;
2592 fileList[1].nAddrs = 2;
2593 fileList[1].addrList[0].name = "sblock";
2594 fileList[1].addrList[0].type = DW_AT_low_pc;
2595 fileList[1].addrList[0].found = 0;
2596 fileList[1].addrList[1].name = "sbunlock";
2597 fileList[1].addrList[1].type = DW_AT_low_pc;
2598 fileList[1].addrList[1].found = 0;
2600 if (64 != sysconf(_SC_KERN_POINTERS))
2601 findMDebugStaticAddresses(fileList, AFS_N_FILELISTS, AFS_SYMS_NEEDED);
2603 #endif /* AFS_SGI62_ENV */
2604 findDwarfStaticAddresses(fileList, AFS_N_FILELISTS);
2606 if (fileList[0].addrList[0].found) {
2607 call_syscall(AFSOP_NFSSTATICADDR2, fileList[0].addrList[0].addr.high,
2608 fileList[0].addrList[0].addr.low);
2611 printf("NFS V2 is not present in the kernel.\n");
2613 free(fileList[0].addrList);
2614 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2615 if (fileList[1].addrList[0].found && fileList[1].addrList[1].found) {
2616 call_syscall(AFSOP_SBLOCKSTATICADDR2,
2617 fileList[1].addrList[0].addr.high,
2618 fileList[1].addrList[0].addr.low,
2619 fileList[1].addrList[1].addr.high,
2620 fileList[1].addrList[1].addr.low);
2622 if (!fileList[1].addrList[0].found)
2623 printf("Can't find %s in kernel. Exiting.\n",
2624 fileList[1].addrList[0].name);
2625 if (!fileList[1].addrList[0].found)
2626 printf("Can't find %s in kernel. Exiting.\n",
2627 fileList[1].addrList[1].name);
2630 free(fileList[1].addrList);
2631 #endif /* AFS_SGI62_ENV */
2635 /* Find addresses for static variables and functions. */
2637 findDwarfStaticAddresses(staticNameList * nameList, int nLists)
2644 char *hname = (char *)0;
2645 Dwarf_Unsigned dwarf_access = O_RDONLY;
2646 Dwarf_Debug dwarf_debug;
2647 Dwarf_Error dwarf_error;
2648 Dwarf_Unsigned dwarf_cu_header_length;
2649 Dwarf_Unsigned dwarf_abbrev_offset;
2650 Dwarf_Half dwarf_address_size;
2651 Dwarf_Unsigned next_cu_header;
2652 Dwarf_Die dwarf_die;
2653 Dwarf_Die dwarf_next_die;
2654 Dwarf_Die dwarf_child_die;
2656 if (elf_version(EV_CURRENT) == EV_NONE) {
2657 printf("findDwarfStaticAddresses: Bad elf version.\n");
2661 if ((fd = open("/unix", O_RDONLY, 0)) < 0) {
2662 printf("findDwarfStaticAddresses: Failed to open /unix.\n");
2666 dwarf_init(fd, dwarf_access, NULL, NULL, &dwarf_debug, &dwarf_error);
2667 if (code != DW_DLV_OK) {
2668 /* Nope hope for the elves and dwarves, try intermediate code. */
2675 /* Run through the headers until we find ones for files we've
2676 * specified in nameList.
2679 dwarf_next_cu_header(dwarf_debug, &dwarf_cu_header_length, NULL,
2680 &dwarf_abbrev_offset, &dwarf_address_size,
2681 &next_cu_header, &dwarf_error);
2682 if (code == DW_DLV_NO_ENTRY) {
2684 } else if (code == DW_DLV_ERROR) {
2685 printf("findDwarfStaticAddresses: Error reading headers: %s\n",
2686 dwarf_errmsg(dwarf_error));
2690 code = dwarf_siblingof(dwarf_debug, NULL, &dwarf_die, &dwarf_error);
2691 if (code != DW_DLV_OK) {
2692 printf("findDwarfStaticAddresses: Can't get first die. %s\n",
2693 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2697 /* This is the header, test the name. */
2698 code = dwarf_diename(dwarf_die, &hname, &dwarf_error);
2699 if (code == DW_DLV_OK) {
2700 s = strrchr(hname, '/');
2701 for (i = 0; i < nLists; i++) {
2702 if (s && !strcmp(s + 1, nameList[i].file)) {
2703 findElfAddresses(dwarf_debug, dwarf_die, &nameList[i]);
2710 ("findDwarfStaticAddresses: Can't get name of current header. %s\n",
2711 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2714 dwarf_dealloc(dwarf_debug, hname, DW_DLA_STRING);
2716 if (found >= nLists) { /* we're done */
2721 /* Frees up all allocated space. */
2722 (void)dwarf_finish(dwarf_debug, &dwarf_error);
2727 findElfAddresses(Dwarf_Debug dwarf_debug, Dwarf_Die dwarf_die,
2728 staticNameList * nameList)
2731 Dwarf_Error dwarf_error;
2732 Dwarf_Die dwarf_next_die;
2733 Dwarf_Die dwarf_child_die;
2734 Dwarf_Attribute dwarf_return_attr;
2735 char *vname = (char *)0;
2739 /* Drop into this die to find names in addrList. */
2740 code = dwarf_child(dwarf_die, &dwarf_child_die, &dwarf_error);
2741 if (code != DW_DLV_OK) {
2742 printf("findElfAddresses: Can't get child die. %s\n",
2743 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2747 /* Try to find names in each sibling. */
2748 dwarf_next_die = (Dwarf_Die) 0;
2750 code = dwarf_diename(dwarf_child_die, &vname, &dwarf_error);
2751 /* It's possible that some siblings don't have names. */
2752 if (code == DW_DLV_OK) {
2753 for (i = 0; i < nameList->nAddrs; i++) {
2754 if (!nameList->addrList[i].found) {
2755 if (!strcmp(vname, nameList->addrList[i].name)) {
2756 getElfAddress(dwarf_debug, dwarf_child_die,
2757 &(nameList->addrList[i]));
2765 dwarf_dealloc(dwarf_debug, dwarf_next_die, DW_DLA_DIE);
2767 if (found >= nameList->nAddrs) { /* we're done. */
2771 dwarf_next_die = dwarf_child_die;
2773 dwarf_siblingof(dwarf_debug, dwarf_next_die, &dwarf_child_die,
2776 } while (code == DW_DLV_OK);
2779 /* Get address out of current die. */
2781 getElfAddress(Dwarf_Debug dwarf_debug, Dwarf_Die dwarf_child_die,
2782 staticAddrList * addrList)
2785 Dwarf_Error dwarf_error;
2786 Dwarf_Attribute dwarf_return_attr;
2787 Dwarf_Bool dwarf_return_bool;
2788 Dwarf_Locdesc *llbuf = NULL;
2789 Dwarf_Signed listlen;
2790 off64_t addr = (off64_t) 0;
2794 dwarf_hasattr(dwarf_child_die, addrList->type, &dwarf_return_bool,
2796 if ((code != DW_DLV_OK) || (!dwarf_return_bool)) {
2797 printf("getElfAddress: no address given for %s. %s\n", addrList->name,
2798 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2802 dwarf_attr(dwarf_child_die, addrList->type, &dwarf_return_attr,
2804 if (code != DW_DLV_OK) {
2805 printf("getElfAddress: Can't get attribute. %s\n",
2806 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2810 switch (addrList->type) {
2811 case DW_AT_location:
2813 dwarf_loclist(dwarf_return_attr, &llbuf, &listlen, &dwarf_error);
2814 if (code != DW_DLV_OK) {
2815 printf("getElfAddress: Can't get location for %s. %s\n",
2817 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2820 if ((listlen != 1) || (llbuf[0].ld_cents != 1)) {
2821 printf("getElfAddress: %s has more than one address.\n",
2825 addr = llbuf[0].ld_s[0].lr_number;
2830 dwarf_lowpc(dwarf_child_die, (Dwarf_Addr *) & addr, &dwarf_error);
2831 if (code != DW_DLV_OK) {
2832 printf("getElfAddress: Can't get lowpc for %s. %s\n",
2834 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2840 printf("getElfAddress: Bad case %d in switch.\n", addrList->type);
2844 addrList->addr.high = (addr >> 32) & 0xffffffff;
2845 addrList->addr.low = addr & 0xffffffff;
2846 addrList->found = 1;
2849 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2850 /* Find symbols in the .mdebug section for 32 bit kernels. */
2853 * On 32bit platforms, we're still using the ucode compilers to build
2854 * the kernel, so we need to get our static text/data from the .mdebug
2855 * section instead of the .dwarf sections.
2857 /* SearchNameList searches our bizarre structs for the given string.
2858 * If found, sets the found bit and the address and returns 1.
2859 * Not found returns 0.
2862 SearchNameList(char *name, afs_uint32 addr, staticNameList * nameList,
2866 for (i = 0; i < nLists; i++) {
2867 for (j = 0; j < nameList[i].nAddrs; j++) {
2868 if (nameList[i].addrList[j].found)
2870 if (!strcmp(name, nameList[i].addrList[j].name)) {
2871 nameList[i].addrList[j].addr.high = 0;
2872 nameList[i].addrList[j].addr.low = addr;
2873 nameList[i].addrList[j].found = 1;
2882 SearchMDebug(Elf_Scn * scnp, Elf32_Shdr * shdrp, staticNameList * nameList,
2883 int nLists, int needed)
2885 long *buf = (long *)(elf_getdata(scnp, NULL)->d_buf);
2886 u_long addr, mdoff = shdrp->sh_offset;
2888 SYMR *symbase, *symp, *symend;
2889 FDR *fdrbase, *fdrp;
2891 char *strbase, *str;
2896 addr = (__psunsigned_t) buf;
2897 hdrp = (HDRR *) addr;
2899 /* setup base addresses */
2900 addr = (u_long) buf + (u_long) (hdrp->cbFdOffset - mdoff);
2901 fdrbase = (FDR *) addr;
2902 addr = (u_long) buf + (u_long) (hdrp->cbSymOffset - mdoff);
2903 symbase = (SYMR *) addr;
2904 addr = (u_long) buf + (u_long) (hdrp->cbSsOffset - mdoff);
2905 strbase = (char *)addr;
2907 #define KEEPER(a,b) ((a == stStaticProc && b == scText) || \
2908 (a == stStatic && (b == scData || b == scBss || \
2909 b == scSBss || b == scSData)))
2911 for (fdrp = fdrbase; fdrp < &fdrbase[hdrp->ifdMax]; fdrp++) {
2912 str = strbase + fdrp->issBase + fdrp->rss;
2914 /* local symbols for each fd */
2915 for (symp = &symbase[fdrp->isymBase];
2916 symp < &symbase[fdrp->isymBase + fdrp->csym]; symp++) {
2917 if (KEEPER(symp->st, symp->sc)) {
2918 if (symp->value == 0)
2921 str = strbase + fdrp->issBase + symp->iss;
2922 /* Look for AFS symbols of interest */
2923 if (SearchNameList(str, symp->value, nameList, nLists)) {
2925 if (nFound >= needed)
2934 * returns section with the name of scn_name, & puts its header in shdr64 or
2935 * shdr32 based on elf's file type
2939 findMDebugSection(Elf * elf, char *scn_name)
2943 Elf_Scn *scn = NULL;
2947 if ((ehdr32 = elf32_getehdr(elf)) == NULL)
2950 if ((scn = elf_nextscn(elf, scn)) == NULL)
2952 if ((shdr32 = elf32_getshdr(scn)) == NULL)
2956 elf_strptr(elf, ehdr32->e_shstrndx, shdr32->sh_name)));
2963 findMDebugStaticAddresses(staticNameList * nameList, int nLists, int needed)
2967 Elf_Scn *mdebug_scn;
2968 Elf32_Shdr *mdebug_shdr;
2971 if ((fd = open("/unix", O_RDONLY)) == -1) {
2972 printf("findMDebugStaticAddresses: Failed to open /unix.\n");
2976 (void)elf_version(EV_CURRENT);
2977 if ((elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
2979 ("findMDebugStaticAddresses: /unix doesn't seem to be an elf file\n");
2983 mdebug_scn = findMDebugSection(elf, ".mdebug");
2985 printf("findMDebugStaticAddresses: Can't find .mdebug section.\n");
2988 mdebug_shdr = elf32_getshdr(mdebug_scn);
2990 printf("findMDebugStaticAddresses: Can't find .mdebug header.\n");
2994 (void)SearchMDebug(mdebug_scn, mdebug_shdr, nameList, nLists, needed);
3000 #endif /* AFS_SGI62_ENV */
3002 #else /* AFS_SGI61_ENV */
3004 struct nlist nlunix[] = {
3011 int i, j, kmem, count;
3013 if ((kmem = open("/dev/kmem", O_RDONLY)) < 0) {
3014 printf("Warning: can't open /dev/kmem\n");
3017 if ((j = nlist("/unix", nlunix)) < 0) {
3018 printf("Warning: can't nlist /unix\n");
3021 i = nlunix[0].n_value;
3022 if (lseek(kmem, i, L_SET /*0 */ ) != i) {
3023 printf("Warning: can't lseek to %x\n", i);
3026 if ((j = read(kmem, &count, sizeof count)) != sizeof count) {
3027 printf("WARNING: kmem read at %x failed\n", i);
3032 #endif /* AFS_SGI61_ENV */
3033 #endif /* AFS_SGI53_ENV */