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";
1084 struct statfs statfsbuf;
1087 res = statfs(dir, &statfsbuf);
1089 return "unable to statfs cache base directory";
1092 if (sysfs(GETFSTYP, statfsbuf.f_fsid[1], name) != 0) {
1093 return "unable to determine filesystem type for cache base dir";
1096 if (strcmp(name, "hfs")) {
1097 return "can only use hfs filesystem for cache partition on hpux";
1106 struct stat statmnt, statci;
1108 if ((stat(dir, &statci) == 0)
1109 && ((vfstab = fopen(MNTTAB, "r")) != NULL)) {
1110 while (getmntent(vfstab, &mnt) == 0) {
1111 if (strcmp(dir, mnt.mnt_mountp) != 0) {
1115 if (cp = hasmntopt(&mnt, "dev="))
1117 (int)strtol(cp + strlen("dev="), (char **)NULL,
1120 if ((rdev == 0) && (stat(mnt.mnt_mountp, &statmnt) == 0))
1121 rdev = statmnt.st_dev;
1123 if ((rdev == statci.st_dev)
1124 && (hasmntopt(&mnt, "logging") != NULL)) {
1128 "mounting a multi-use partition which contains the AFS cache with the\n\"logging\" option may deadlock your system.\n\n";
1142 SweepAFSCache(vFilesFound)
1145 static char rn[] = "SweepAFSCache"; /*Routine name */
1146 int maxDir = (cacheFiles + nFilesPerDir - 1) / nFilesPerDir;
1151 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1153 printf("%s: Memory Cache, no cache sweep done\n", rn);
1157 if (cache_dir_list == NULL) {
1158 cache_dir_list = (int *)malloc(maxDir * sizeof(*cache_dir_list));
1159 if (cache_dir_list == NULL) {
1160 printf("%s: Malloc Failed!\n", rn);
1163 for (i = 0; i < maxDir; i++)
1164 cache_dir_list[i] = -1; /* Does not exist */
1167 if (cache_dir_filelist == NULL) {
1168 cache_dir_filelist = (struct afsd_file_list **)
1169 malloc(maxDir * sizeof(*cache_dir_filelist));
1170 if (cache_dir_filelist == NULL) {
1171 printf("%s: Malloc Failed!\n", rn);
1174 memset(cache_dir_filelist, 0, maxDir * sizeof(*cache_dir_filelist));
1177 if (dir_for_V == NULL) {
1178 dir_for_V = (int *)malloc(cacheFiles * sizeof(*dir_for_V));
1179 if (dir_for_V == NULL) {
1180 printf("%s: Malloc Failed!\n", rn);
1183 for (i = 0; i < cacheFiles; i++)
1184 dir_for_V[i] = -1; /* Does not exist */
1187 /* Note, setting dirNum to -2 here will cause cachefiles found in
1188 * the toplevel directory to be marked in directory "-2". This
1189 * allows us to differentiate between 'file not seen' (-1) and
1190 * 'file seen in top-level' (-2). Then when we try to move the
1191 * file into a subdirectory, we know it's in the top-level instead
1192 * of some other cache subdir.
1194 return doSweepAFSCache(vFilesFound, cacheBaseDir, -2, maxDir);
1198 ConfigCell(struct afsconf_cell *aci, char *arock, struct afsconf_dir *adir)
1202 afs_int32 cellFlags = 0;
1203 afs_int32 hosts[MAXHOSTSPERCELL];
1205 /* figure out if this is the home cell */
1206 isHomeCell = (strcmp(aci->name, LclCellName) == 0);
1208 cellFlags = 2; /* not home, suid is forbidden */
1210 /* build address list */
1211 for (i = 0; i < MAXHOSTSPERCELL; i++)
1212 memcpy(&hosts[i], &aci->hostAddr[i].sin_addr, sizeof(afs_int32));
1214 if (aci->linkedCell)
1215 cellFlags |= 4; /* Flag that linkedCell arg exists,
1216 * for upwards compatibility */
1218 /* configure one cell */
1219 code = call_syscall(AFSOP_ADDCELL2, hosts, /* server addresses */
1220 aci->name, /* cell name */
1221 cellFlags, /* is this the home cell? */
1222 aci->linkedCell); /* Linked cell, if any */
1224 printf("Adding cell '%s': error %d\n", aci->name, code);
1229 ConfigCellAlias(struct afsconf_cellalias *aca,
1230 char *arock, struct afsconf_dir *adir)
1232 /* push the alias into the kernel */
1233 call_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName);
1237 #ifdef AFS_AFSDB_ENV
1239 AfsdbLookupHandler()
1241 afs_int32 kernelMsg[64];
1242 char acellName[128];
1244 struct afsconf_cell acellInfo;
1249 acellName[0] = '\0';
1252 /* On some platforms you only get 4 args to an AFS call */
1253 int sizeArg = ((sizeof acellName) << 16) | (sizeof kernelMsg);
1255 call_syscall(AFSOP_AFSDB_HANDLER, acellName, kernelMsg, sizeArg);
1256 if (code) { /* Something is wrong? */
1261 if (*acellName == 1) /* Shutting down */
1264 code = afsconf_GetAfsdbInfo(acellName, 0, &acellInfo);
1269 kernelMsg[0] = acellInfo.numServers;
1270 if (acellInfo.timeout)
1271 kernelMsg[1] = acellInfo.timeout - time(0);
1274 for (i = 0; i < acellInfo.numServers; i++)
1275 kernelMsg[i + 2] = acellInfo.hostAddr[i].sin_addr.s_addr;
1276 strncpy(acellName, acellInfo.name, sizeof(acellName));
1277 acellName[sizeof(acellName) - 1] = '\0';
1286 #include <sys/ioctl.h>
1289 #ifdef AFS_SGI65_ENV
1290 #define SET_RTPRI(P) { \
1291 struct sched_param sp; \
1292 sp.sched_priority = P; \
1293 if (sched_setscheduler(0, SCHED_RR, &sp)<0) { \
1294 perror("sched_setscheduler"); \
1297 #define SET_AFSD_RTPRI() SET_RTPRI(68)
1298 #define SET_RX_RTPRI() SET_RTPRI(199)
1300 #ifdef AFS_LINUX20_ENV
1301 #define SET_AFSD_RTPRI()
1302 #define SET_RX_RTPRI() do { if (setpriority(PRIO_PROCESS, 0, -10)<0) \
1303 perror("setting rx priority"); \
1306 #define SET_AFSD_RTPRI()
1307 #define SET_RX_RTPRI()
1311 mainproc(struct cmd_syndesc *as, char *arock)
1313 static char rn[] = "afsd"; /*Name of this routine */
1314 afs_int32 code; /*Result of fork() */
1316 int currVFile; /*Current AFS cache file number passed in */
1317 int mountFlags; /*Flags passed to mount() */
1318 int lookupResult; /*Result of GetLocalCellName() */
1319 int cacheIteration; /*How many times through cache verification */
1320 int vFilesFound; /*How many data cache files were found in sweep */
1321 struct afsconf_dir *cdir; /* config dir */
1323 char *fsTypeMsg = NULL;
1327 afs_int32 vfs1_type = -1;
1328 #ifdef AFS_SGI65_ENV
1329 struct sched_param sp;
1332 #ifdef AFS_SGI_VNODE_GLUE
1333 if (afs_init_kernel_config(-1) < 0) {
1334 printf("Can't determine NUMA configuration, not starting AFS.\n");
1339 /* call atoi on the appropriate parsed results */
1340 if (as->parms[0].items) {
1342 cacheBlocks = atoi(as->parms[0].items->data);
1345 if (as->parms[1].items) {
1347 cacheFiles = atoi(as->parms[1].items->data);
1348 filesSet = 1; /* set when spec'd on cmd line */
1350 if (as->parms[2].items) {
1352 strcpy(rootVolume, as->parms[2].items->data);
1355 if (as->parms[3].items) {
1357 cacheStatEntries = atoi(as->parms[3].items->data);
1358 sawCacheStatEntries = 1;
1360 if (as->parms[4].items) {
1362 cacheBaseDir[0] = '\0';
1363 sawCacheBaseDir = 1;
1364 cacheFlags |= AFSCALL_INIT_MEMCACHE;
1366 if (as->parms[5].items) {
1368 strcpy(cacheBaseDir, as->parms[5].items->data);
1369 sawCacheBaseDir = 1;
1371 if (as->parms[6].items) {
1373 strcpy(cacheMountDir, as->parms[6].items->data);
1374 sawCacheMountDir = 1;
1376 if (as->parms[7].items) {
1378 nDaemons = atoi(as->parms[7].items->data);
1380 if (as->parms[8].items) {
1382 cacheSetTime = FALSE;
1384 if (as->parms[9].items) {
1388 if (as->parms[10].items) {
1392 if (as->parms[11].items) {
1397 if (as->parms[12].items) {
1399 chunkSize = atoi(as->parms[12].items->data);
1400 if (chunkSize < 0 || chunkSize > 30) {
1402 ("afsd:invalid chunk size (not in range 0-30), using default\n");
1406 if (as->parms[13].items) {
1408 dCacheSize = atoi(as->parms[13].items->data);
1411 if (as->parms[14].items) {
1413 vCacheSize = atoi(as->parms[14].items->data);
1415 if (as->parms[15].items) {
1417 #ifndef AFS_AIX32_ENV
1419 ("afsd: [-biods] currently only enabled for aix3.x VM supported systems\n");
1421 nBiods = atoi(as->parms[15].items->data);
1425 if (as->parms[16].items) {
1427 preallocs = atoi(as->parms[16].items->data);
1430 if (as->parms[17].items) {
1432 inodes = atoi(as->parms[17].items->data);
1435 strcpy(confDir, AFSDIR_CLIENT_ETC_DIRPATH);
1436 if (as->parms[17].items) {
1438 strcpy(confDir, as->parms[17].items->data);
1440 sprintf(fullpn_CacheInfo, "%s/%s", confDir, CACHEINFOFILE);
1441 if (as->parms[18].items) {
1443 printf("afsd: Ignoring obsolete -logfile flag\n");
1445 if (as->parms[19].items) {
1447 afsd_CloseSynch = 1;
1449 if (as->parms[20].items) {
1453 * Cold shutdown is the default
1455 printf("afsd: Shutting down all afs processes and afs state\n");
1456 code = call_syscall(AFSOP_SHUTDOWN, 1);
1458 printf("afsd: AFS still mounted; Not shutting down\n");
1463 if (as->parms[21].items) {
1464 /* -enable_peer_stats */
1465 enable_peer_stats = 1;
1467 if (as->parms[22].items) {
1468 /* -enable_process_stats */
1469 enable_process_stats = 1;
1471 if (as->parms[23].items) {
1472 /* -mem_alloc_sleep */
1473 cacheFlags |= AFSCALL_INIT_MEMCACHE_SLEEP;
1475 if (as->parms[24].items) {
1477 #ifdef AFS_AFSDB_ENV
1480 printf("afsd: No AFSDB support; ignoring -afsdb");
1483 if (as->parms[25].items) {
1484 /* -files_per_subdir */
1485 int res = atoi(as->parms[25].items->data);
1486 if (res < 10 || res > 2 ^ 30) {
1488 ("afsd:invalid number of files per subdir, \"%s\". Ignored\n",
1489 as->parms[25].items->data);
1494 if (as->parms[26].items) {
1498 if (as->parms[27].items) {
1500 enable_fakestat = 2;
1502 if (as->parms[28].items) {
1504 enable_fakestat = 1;
1506 if (as->parms[29].items) {
1510 if (as->parms[30].items) {
1512 enable_backuptree = 1;
1514 if (as->parms[31].items) {
1518 if (as->parms[32].items) {
1520 cacheSetTime = TRUE;
1523 /* set rx_extraPackets */
1524 if (as->parms[33].items) {
1526 int rxpck = atoi(as->parms[33].items->data);
1527 printf("afsd: set rxpck = %d\n", rxpck);
1528 code = call_syscall(AFSOP_SET_RXPCK, rxpck);
1530 printf("afsd: failed to set rxpck\n");
1534 if (as->parms[34].items) {
1536 if (!as->parms[34].items->data ||
1537 ((c = strchr(as->parms[34].items->data, '/')) == NULL))
1539 ("ignoring splitcache (specify as RW/RO percentages: 60/40)\n");
1541 ropct = atoi((char *)c + 1);
1543 rwpct = atoi((char *)as->parms[30].items->data);
1544 if ((rwpct != 0) && (ropct != 0) && (ropct + rwpct == 100)) {
1546 enable_splitcache = 1;
1551 * Pull out all the configuration info for the workstation's AFS cache and
1552 * the cellular community we're willing to let our users see.
1554 cdir = afsconf_Open(confDir);
1556 printf("afsd: some file missing or bad in %s\n", confDir);
1561 afsconf_GetLocalCell(cdir, LclCellName, sizeof(LclCellName));
1563 printf("%s: Can't get my home cell name! [Error is %d]\n", rn,
1567 printf("%s: My home cell is '%s'\n", rn, LclCellName);
1570 /* parse cacheinfo file if this is a diskcache */
1571 if (ParseCacheInfoFile()) {
1575 /* do some random computations in memcache case to get things to work
1576 * reasonably no matter which parameters you set.
1578 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1579 /* memory cache: size described either as blocks or dcache entries, but
1583 fprintf(stderr, "%s: -files ignored with -memcache\n", rn);
1585 if (sawDCacheSize) {
1586 if (chunkSize == 0) {
1587 chunkSize = 13; /* 8k default chunksize for memcache */
1589 if (sawCacheBlocks) {
1591 ("%s: can't set cache blocks and dcache size simultaneously when diskless.\n",
1595 /* compute the cache size based on # of chunks times the chunk size */
1596 i = (1 << chunkSize); /* bytes per chunk */
1597 cacheBlocks = i * dCacheSize;
1598 sawCacheBlocks = 1; /* so that ParseCacheInfoFile doesn't overwrite */
1600 if (chunkSize == 0) {
1601 /* Try to autotune the memcache chunksize based on size
1602 * of memcache. This is done on the assumption that approx
1603 * 1024 chunks is suitable, it's a balance between enough
1604 * chunks to be useful and ramping up nicely when using larger
1605 * memcache to improve bulk read/write performance
1608 i <= 21 && (1 << i) / 1024 < (cacheBlocks / 1024); i++);
1611 /* compute the dcache size from overall cache size and chunk size */
1612 if (chunkSize > 10) {
1613 dCacheSize = (cacheBlocks >> (chunkSize - 10));
1614 } else if (chunkSize < 10) {
1615 dCacheSize = (cacheBlocks << (10 - chunkSize));
1617 dCacheSize = cacheBlocks;
1619 /* don't have to set sawDCacheSize here since it isn't overwritten
1620 * by ParseCacheInfoFile.
1624 printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
1626 /* kernel computes # of dcache entries as min of cacheFiles and
1627 * dCacheSize, so we now make them equal.
1629 cacheFiles = dCacheSize;
1632 * Compute the number of cache files based on cache size,
1633 * but only if -files isn't given on the command line.
1634 * Don't let # files be so small as to prevent full utilization
1635 * of the cache unless user has explicitly asked for it.
1637 if (chunkSize == 0) {
1638 /* Set chunksize to 256kB - 1MB depending on cache size */
1639 if (cacheBlocks < 500000) {
1641 } else if (cacheBlocks < 1000000) {
1648 cacheFiles = cacheBlocks / 32; /* Assume 32k avg filesize */
1650 cacheFiles = max(cacheFiles, 1000);
1652 /* Always allow more files than chunks. Presume average V-file
1653 * is ~67% of a chunk... (another guess, perhaps Honeyman will
1654 * have a grad student write a paper). i is KILOBYTES.
1656 i = 1 << (chunkSize < 10 ? 0 : chunkSize - 10);
1657 cacheFiles = max(cacheFiles, 1.5 * (cacheBlocks / i));
1659 /* never permit more files than blocks, while leaving space for
1660 * VolumeInfo and CacheItems files. VolumeInfo is usually 20K,
1661 * CacheItems is 50 Bytes / file (== 1K/20)
1663 #define CACHEITMSZ (cacheFiles / 20)
1664 #define VOLINFOSZ 50 /* 40kB has been seen, be conservative */
1665 #define CELLINFOSZ 4 /* Assuming disk block size is 4k ... */
1666 #define INFOSZ (VOLINFOSZ+CELLINFOSZ+CACHEITMSZ)
1668 /* Sanity check: If the obtained number of disk cache files
1669 * is larger than the number of available (4k) disk blocks, we're
1670 * doing something wrong. Fail hard so we can fix the bug instead
1671 * of silently hiding it like before */
1673 if (cacheFiles > (cacheBlocks - INFOSZ) / 4) {
1675 "%s: ASSERT: cacheFiles %d diskblocks %d\n",
1676 rn, cacheFiles, (cacheBlocks - INFOSZ) / 4);
1679 if (cacheFiles < 100)
1680 fprintf(stderr, "%s: WARNING: cache probably too small!\n",
1684 printf("%s: cacheFiles autotuned to %d\n", rn, cacheFiles);
1686 /* Sanity check chunkSize */
1687 i = max(cacheBlocks / 1000, cacheBlocks / cacheFiles);
1688 chunkSize = min(chunkSize, i);
1689 chunkSize = max(chunkSize, 2);
1691 printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
1693 if (!sawDCacheSize) {
1694 dCacheSize = cacheFiles / 2;
1695 if (dCacheSize > 10000) {
1698 if (dCacheSize < 2000) {
1702 printf("%s: dCacheSize autotuned to %d\n", rn, dCacheSize);
1705 if (!sawCacheStatEntries) {
1706 if (chunkSize <= 13) {
1707 cacheStatEntries = dCacheSize / 4;
1708 } else if (chunkSize >= 16) {
1709 cacheStatEntries = dCacheSize * 1.5;
1711 cacheStatEntries = dCacheSize;
1714 printf("%s: cacheStatEntries autotuned to %d\n", rn,
1719 * Create and zero the inode table for the desired cache files.
1721 inode_for_V = (AFSD_INO_T *) malloc(cacheFiles * sizeof(AFSD_INO_T));
1722 if (inode_for_V == (AFSD_INO_T *) 0) {
1724 ("%s: malloc() failed for cache file inode table with %d entries.\n",
1728 memset(inode_for_V, '\0', (cacheFiles * sizeof(AFSD_INO_T)));
1730 printf("%s: %d inode_for_V entries at 0x%x, %d bytes\n", rn,
1731 cacheFiles, inode_for_V, (cacheFiles * sizeof(AFSD_INO_T)));
1734 * Set up all the pathnames we'll need for later.
1736 sprintf(fullpn_DCacheFile, "%s/%s", cacheBaseDir, DCACHEFILE);
1737 sprintf(fullpn_VolInfoFile, "%s/%s", cacheBaseDir, VOLINFOFILE);
1738 sprintf(fullpn_CellInfoFile, "%s/%s", cacheBaseDir, CELLINFOFILE);
1739 sprintf(fullpn_VFile, "%s/", cacheBaseDir);
1740 vFilePtr = fullpn_VFile + strlen(fullpn_VFile);
1742 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)
1743 && (fsTypeMsg = CheckCacheBaseDir(cacheBaseDir))) {
1744 printf("%s: WARNING: Cache dir check failed (%s)\n", rn, fsTypeMsg);
1747 fputs(AFS_GOVERNMENT_MESSAGE, stdout);
1752 * Set up all the kernel processes needed for AFS.
1755 setpgrp(getpid(), 0);
1758 /* Initialize RX daemons and services */
1760 /* initialize the rx random number generator from user space */
1762 /* parse multihomed address files */
1763 afs_int32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
1767 parseNetFiles(addrbuf, maskbuf, mtubuf, MAXIPADDRS, reason,
1768 AFSDIR_CLIENT_NETINFO_FILEPATH,
1769 AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
1772 code = code | 0x80000000;
1773 call_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
1775 printf("ADVISEADDR: Error in specifying interface addresses:%s\n",
1779 /* Set realtime priority for most threads to same as for biod's. */
1782 #ifdef AFS_SGI53_ENV
1783 #ifdef AFS_SGI61_ENV
1785 #else /* AFS_SGI61_ENV */
1786 code = get_nfsstaticaddr();
1788 call_syscall(AFSOP_NFSSTATICADDR, code);
1789 #endif /* AFS_SGI61_ENV */
1790 #endif /* AFS_SGI_53_ENV */
1792 /* Start listener, then callback listener. Lastly, start rx event daemon.
1793 * Change in ordering is so that Linux port has socket fd in listener
1795 * preallocs are passed for both listener and callback server. Only
1796 * the one which actually does the initialization uses them though.
1798 if (preallocs < cacheStatEntries + 50)
1799 preallocs = cacheStatEntries + 50;
1800 #ifdef RXK_LISTENER_ENV
1802 printf("%s: Forking rx listener daemon.\n", rn);
1806 SET_RX_RTPRI(); /* max advised for non-interrupts */
1807 call_syscall(AFSOP_RXLISTENER_DAEMON, preallocs, enable_peer_stats,
1808 enable_process_stats);
1811 #ifdef AFS_SUN510_ENV
1812 waitpid((pid_t) -1, NULL, 0);
1816 printf("%s: Forking rx callback listener.\n", rn);
1820 call_syscall(AFSOP_START_RXCALLBACK, preallocs);
1823 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
1825 printf("%s: Forking rxevent daemon.\n", rn);
1829 SET_RX_RTPRI(); /* max advised for non-interrupts */
1830 call_syscall(AFSOP_RXEVENT_DAEMON);
1835 #ifdef AFS_AFSDB_ENV
1838 printf("%s: Forking AFSDB lookup handler.\n", rn);
1841 /* Since the AFSDB lookup handler runs as a user process,
1842 * need to drop the controlling TTY, etc.
1844 if (daemon(0, 0) == -1) {
1845 printf("Error starting AFSDB lookup handler: %s\n",
1849 AfsdbLookupHandler();
1855 code = call_syscall(AFSOP_BASIC_INIT, 1);
1857 printf("%s: Error %d in basic initialization.\n", rn, code);
1862 * Tell the kernel some basic information about the workstation's cache.
1866 ("%s: Calling AFSOP_CACHEINIT: %d stat cache entries, %d optimum cache files, %d blocks in the cache, flags = 0x%x, dcache entries %d\n",
1867 rn, cacheStatEntries, cacheFiles, cacheBlocks, cacheFlags,
1869 memset(&cparams, '\0', sizeof(cparams));
1870 cparams.cacheScaches = cacheStatEntries;
1871 cparams.cacheFiles = cacheFiles;
1872 cparams.cacheBlocks = cacheBlocks;
1873 cparams.cacheDcaches = dCacheSize;
1874 cparams.cacheVolumes = vCacheSize;
1875 cparams.chunkSize = chunkSize;
1876 cparams.setTimeFlag = cacheSetTime;
1877 cparams.memCacheFlag = cacheFlags;
1879 cparams.inodes = inodes;
1881 call_syscall(AFSOP_CACHEINIT, &cparams);
1883 /* do it before we init the cache inodes */
1884 if (enable_splitcache) {
1885 call_syscall(AFSOP_BUCKETPCT, 1, rwpct);
1886 call_syscall(AFSOP_BUCKETPCT, 2, ropct);
1889 if (afsd_CloseSynch)
1890 call_syscall(AFSOP_CLOSEWAIT);
1893 * Sweep the workstation AFS cache directory, remembering the inodes of
1894 * valid files and deleting extraneous files. Keep sweeping until we
1895 * have the right number of data cache files or we've swept too many
1898 * This also creates files in the cache directory like VolumeItems and
1899 * CellItems, and thus must be ran before those are sent to the kernel.
1902 printf("%s: Sweeping workstation's AFS cache directory.\n", rn);
1904 /* Memory-cache based system doesn't need any of this */
1905 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
1908 if (SweepAFSCache(&vFilesFound)) {
1909 printf("%s: Error on sweep %d of workstation AFS cache \
1910 directory.\n", rn, cacheIteration);
1915 ("%s: %d out of %d data cache files found in sweep %d.\n",
1916 rn, vFilesFound, cacheFiles, cacheIteration);
1917 } while ((vFilesFound < cacheFiles)
1918 && (cacheIteration < MAX_CACHE_LOOPS));
1919 } else if (afsd_verbose)
1920 printf("%s: Using memory cache, not swept\n", rn);
1923 * Pass the kernel the name of the workstation cache file holding the
1927 printf("%s: Calling AFSOP_CACHEINFO: dcache file is '%s'\n", rn,
1929 /* once again, meaningless for a memory-based cache. */
1930 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
1931 call_syscall(AFSOP_CACHEINFO, fullpn_DCacheFile);
1934 * Pass the kernel the name of the workstation cache file holding the
1938 printf("%s: Calling AFSOP_CELLINFO: cell info file is '%s'\n", rn,
1939 fullpn_CellInfoFile);
1940 call_syscall(AFSOP_CELLINFO, fullpn_CellInfoFile);
1942 if (enable_dynroot) {
1944 printf("%s: Enabling dynroot support in kernel.\n", rn);
1945 code = call_syscall(AFSOP_SET_DYNROOT, 1);
1947 printf("%s: Error enabling dynroot support.\n", rn);
1950 if (enable_fakestat) {
1952 printf("%s: Enabling fakestat support in kernel.\n", rn);
1953 code = call_syscall(AFSOP_SET_FAKESTAT, enable_fakestat);
1955 printf("%s: Error enabling fakestat support.\n", rn);
1958 if (enable_backuptree) {
1960 printf("%s: Enabling backup tree support in kernel.\n", rn);
1961 code = call_syscall(AFSOP_SET_BACKUPTREE, enable_backuptree);
1963 printf("%s: Error enabling backup tree support.\n", rn);
1967 * Tell the kernel about each cell in the configuration.
1969 afsconf_CellApply(cdir, ConfigCell, NULL);
1970 afsconf_CellAliasApply(cdir, ConfigCellAlias, NULL);
1973 * Set the primary cell name.
1975 call_syscall(AFSOP_SET_THISCELL, LclCellName);
1977 /* Initialize AFS daemon threads. */
1979 printf("%s: Forking AFS daemon.\n", rn);
1983 call_syscall(AFSOP_START_AFS);
1988 printf("%s: Forking Check Server Daemon.\n", rn);
1992 code = call_syscall(AFSOP_START_CS);
1994 printf("%s: No check server daemon in client.\n", rn);
1999 printf("%s: Forking %d background daemons.\n", rn, nDaemons);
2000 #if defined(AFS_SGI_ENV) && defined(AFS_SGI_SHORTSTACK)
2001 /* Add one because for sgi we always "steal" the first daemon for a
2002 * different task if we only have a 4K stack.
2006 for (i = 0; i < nDaemons; i++) {
2010 #ifdef AFS_AIX32_ENV
2011 call_syscall(AFSOP_START_BKG, 0);
2013 call_syscall(AFSOP_START_BKG);
2018 #ifdef AFS_AIX32_ENV
2020 nBiods = nDaemons * 2;
2023 for (i = 0; i < nBiods; i++) {
2025 if (code == 0) { /* Child */
2026 call_syscall(AFSOP_START_BKG, nBiods);
2033 * If the root volume has been explicitly set, tell the kernel.
2037 printf("%s: Calling AFSOP_ROOTVOLUME with '%s'\n", rn,
2039 call_syscall(AFSOP_ROOTVOLUME, rootVolume);
2043 * Pass the kernel the name of the workstation cache file holding the
2044 * volume information.
2047 printf("%s: Calling AFSOP_VOLUMEINFO: volume info file is '%s'\n", rn,
2048 fullpn_VolInfoFile);
2049 /* once again, meaningless for a memory-based cache. */
2050 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
2051 call_syscall(AFSOP_VOLUMEINFO, fullpn_VolInfoFile);
2054 * Give the kernel the names of the AFS files cached on the workstation's
2059 ("%s: Calling AFSOP_CACHEINODE for each of the %d files in '%s'\n",
2060 rn, cacheFiles, cacheBaseDir);
2061 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... and again ... */
2062 for (currVFile = 0; currVFile < cacheFiles; currVFile++) {
2063 #ifdef AFS_SGI62_ENV
2064 call_syscall(AFSOP_CACHEINODE,
2065 (afs_uint32) (inode_for_V[currVFile] >> 32),
2066 (afs_uint32) (inode_for_V[currVFile] & 0xffffffff));
2068 call_syscall(AFSOP_CACHEINODE, inode_for_V[currVFile]);
2075 * All the necessary info has been passed into the kernel to run an AFS
2076 * system. Give the kernel our go-ahead.
2079 printf("%s: Calling AFSOP_GO with cacheSetTime = %d\n", rn,
2081 call_syscall(AFSOP_GO, cacheSetTime);
2084 * At this point, we have finished passing the kernel all the info
2085 * it needs to set up the AFS. Mount the AFS root.
2087 printf("%s: All AFS daemons started.\n", rn);
2090 printf("%s: Forking trunc-cache daemon.\n", rn);
2094 call_syscall(AFSOP_START_TRUNCDAEMON);
2098 if (!enable_nomount) {
2100 mountFlags = 0; /* Read/write file system, can do setuid() */
2101 #if defined(AFS_SUN_ENV) || defined(AFS_SUN5_ENV)
2103 mountFlags |= MS_DATA;
2105 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... */
2109 #if defined(AFS_HPUX100_ENV)
2110 mountFlags |= MS_DATA;
2114 printf("%s: Mounting the AFS root on '%s', flags: %d.\n", rn,
2115 cacheMountDir, mountFlags);
2116 #if defined(AFS_FBSD60_ENV)
2117 /* data must be non-NULL but is otherwise ignored */
2118 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, rn)) < 0) {
2119 #elif defined(AFS_FBSD_ENV)
2120 if ((mount("AFS", cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
2121 #elif defined(AFS_AIX_ENV)
2123 #elif defined(AFS_HPUX100_ENV)
2124 if ((mount("", cacheMountDir, mountFlags, "afs", NULL, 0)) < 0) {
2125 #elif defined(AFS_SUN5_ENV)
2126 if ((mount("AFS", cacheMountDir, mountFlags, "afs", NULL, 0)) < 0) {
2127 #elif defined(AFS_SGI_ENV)
2128 mountFlags = MS_FSS;
2129 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) MOUNT_AFS))
2131 #elif defined(AFS_LINUX20_ENV)
2132 if ((mount("AFS", cacheMountDir, MOUNT_AFS, 0, NULL)) < 0) {
2134 /* This is the standard mount used by the suns and rts */
2135 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
2137 printf("%s: Can't mount AFS on %s(%d)\n", rn, cacheMountDir,
2148 printf("%s: Forking 'rmtsys' daemon.\n", rn);
2157 * Exit successfully.
2162 #include "AFS_component_version_number.c"
2166 main(int argc, char **argv)
2168 struct cmd_syndesc *ts;
2170 ts = cmd_CreateSyntax(NULL, mainproc, NULL, "start AFS");
2171 cmd_AddParm(ts, "-blocks", CMD_SINGLE, CMD_OPTIONAL,
2172 "1024 byte blocks in cache");
2173 cmd_AddParm(ts, "-files", CMD_SINGLE, CMD_OPTIONAL, "files in cache");
2174 cmd_AddParm(ts, "-rootvol", CMD_SINGLE, CMD_OPTIONAL,
2175 "name of AFS root volume");
2176 cmd_AddParm(ts, "-stat", CMD_SINGLE, CMD_OPTIONAL,
2177 "number of stat entries");
2178 cmd_AddParm(ts, "-memcache", CMD_FLAG, CMD_OPTIONAL, "run diskless");
2179 cmd_AddParm(ts, "-cachedir", CMD_SINGLE, CMD_OPTIONAL, "cache directory");
2180 cmd_AddParm(ts, "-mountdir", CMD_SINGLE, CMD_OPTIONAL, "mount location");
2181 cmd_AddParm(ts, "-daemons", CMD_SINGLE, CMD_OPTIONAL,
2182 "number of daemons to use");
2183 cmd_AddParm(ts, "-nosettime", CMD_FLAG, CMD_OPTIONAL,
2184 "don't set the time");
2185 cmd_AddParm(ts, "-verbose", CMD_FLAG, CMD_OPTIONAL,
2186 "display lots of information");
2187 cmd_AddParm(ts, "-rmtsys", CMD_FLAG, CMD_OPTIONAL,
2188 "start NFS rmtsysd program");
2189 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL, "display debug info");
2190 cmd_AddParm(ts, "-chunksize", CMD_SINGLE, CMD_OPTIONAL,
2191 "log(2) of chunk size");
2192 cmd_AddParm(ts, "-dcache", CMD_SINGLE, CMD_OPTIONAL,
2193 "number of dcache entries");
2194 cmd_AddParm(ts, "-volumes", CMD_SINGLE, CMD_OPTIONAL,
2195 "number of volume entries");
2196 cmd_AddParm(ts, "-biods", CMD_SINGLE, CMD_OPTIONAL,
2197 "number of bkg I/O daemons (aix vm)");
2199 cmd_AddParm(ts, "-prealloc", CMD_SINGLE, CMD_OPTIONAL,
2200 "number of 'small' preallocated blocks");
2202 cmd_AddParm(ts, "-pininodes", CMD_SINGLE, CMD_OPTIONAL,
2203 "number of inodes to hog");
2205 cmd_AddParm(ts, "-confdir", CMD_SINGLE, CMD_OPTIONAL,
2206 "configuration directory");
2207 cmd_AddParm(ts, "-logfile", CMD_SINGLE, CMD_OPTIONAL,
2208 "Place to keep the CM log");
2209 cmd_AddParm(ts, "-waitclose", CMD_FLAG, CMD_OPTIONAL,
2210 "make close calls synchronous");
2211 cmd_AddParm(ts, "-shutdown", CMD_FLAG, CMD_OPTIONAL,
2212 "Shutdown all afs state");
2213 cmd_AddParm(ts, "-enable_peer_stats", CMD_FLAG, CMD_OPTIONAL | CMD_HIDE,
2214 "Collect rpc statistics by peer");
2215 cmd_AddParm(ts, "-enable_process_stats", CMD_FLAG,
2216 CMD_OPTIONAL | CMD_HIDE,
2217 "Collect rpc statistics for this process");
2218 cmd_AddParm(ts, "-mem_alloc_sleep", CMD_FLAG, (CMD_OPTIONAL | CMD_HIDE),
2219 "Allow sleeps when allocating memory cache");
2220 cmd_AddParm(ts, "-afsdb", CMD_FLAG, (CMD_OPTIONAL
2221 #ifndef AFS_AFSDB_ENV
2224 ), "Enable AFSDB support");
2225 cmd_AddParm(ts, "-files_per_subdir", CMD_SINGLE, CMD_OPTIONAL,
2226 "log(2) of the number of cache files per cache subdirectory");
2227 cmd_AddParm(ts, "-dynroot", CMD_FLAG, CMD_OPTIONAL,
2228 "Enable dynroot support");
2229 cmd_AddParm(ts, "-fakestat", CMD_FLAG, CMD_OPTIONAL,
2230 "Enable fakestat support for cross-cell mounts");
2231 cmd_AddParm(ts, "-fakestat-all", CMD_FLAG, CMD_OPTIONAL,
2232 "Enable fakestat support for all mounts");
2233 cmd_AddParm(ts, "-nomount", CMD_FLAG, CMD_OPTIONAL, "Do not mount AFS");
2234 cmd_AddParm(ts, "-backuptree", CMD_FLAG, CMD_OPTIONAL,
2235 "Prefer backup volumes for mointpoints in backup volumes");
2236 cmd_AddParm(ts, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
2237 "Bind the Rx socket (one interface only)");
2238 cmd_AddParm(ts, "-settime", CMD_FLAG, CMD_OPTIONAL, "set the time");
2239 cmd_AddParm(ts, "-rxpck", CMD_SINGLE, CMD_OPTIONAL,
2240 "set rx_extraPackets to this value");
2241 cmd_AddParm(ts, "-splitcache", CMD_SINGLE, CMD_OPTIONAL,
2242 "Percentage RW versus RO in cache (specify as 60/40)");
2244 return (cmd_Dispatch(argc, argv));
2249 #define MOUNTED_TABLE MNT_MNTTAB
2252 #define MOUNTED_TABLE MNTTAB
2254 #define MOUNTED_TABLE MOUNTED
2261 #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)
2265 struct mnttab tmntent;
2267 memset(&tmntent, '\0', sizeof(struct mnttab));
2268 if (!(tfilep = fopen(MOUNTED_TABLE, "a+"))) {
2269 printf("Can't open %s\n", MOUNTED_TABLE);
2273 tmntent.mnt_special = "AFS";
2274 tmntent.mnt_mountp = cacheMountDir;
2275 tmntent.mnt_fstype = "xx";
2276 tmntent.mnt_mntopts = "rw";
2277 sprintf(tbuf, "%ld", (long)time((time_t *) 0));
2278 tmntent.mnt_time = tbuf;
2279 putmntent(tfilep, &tmntent);
2282 #if defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)
2283 struct mntent tmntent;
2285 tfilep = setmntent("/etc/mtab", "a+");
2286 tmntent.mnt_fsname = "AFS";
2287 tmntent.mnt_dir = cacheMountDir;
2288 tmntent.mnt_type = "afs";
2289 tmntent.mnt_opts = "rw";
2290 tmntent.mnt_freq = 1;
2291 tmntent.mnt_passno = 3;
2292 addmntent(tfilep, &tmntent);
2295 struct mntent tmntent;
2297 memset(&tmntent, '\0', sizeof(struct mntent));
2298 tfilep = setmntent(MOUNTED_TABLE, "a+");
2300 printf("Can't open %s for write; Not adding afs entry to it\n",
2304 tmntent.mnt_fsname = "AFS";
2305 tmntent.mnt_dir = cacheMountDir;
2306 tmntent.mnt_type = "xx";
2307 tmntent.mnt_opts = "rw";
2308 tmntent.mnt_freq = 1;
2309 tmntent.mnt_passno = 3;
2311 tmntent.mnt_type = "afs";
2312 tmntent.mnt_time = time(0);
2313 tmntent.mnt_cnode = 0;
2315 addmntent(tfilep, &tmntent);
2317 #endif /* AFS_SGI_ENV */
2318 #endif /* AFS_SUN5_ENV */
2319 #endif /* unreasonable systems */
2320 #ifdef AFS_DARWIN_ENV
2321 mach_port_t diskarb_port;
2322 kern_return_t status;
2324 status = DiskArbStart(&diskarb_port);
2325 if (status == KERN_SUCCESS) {
2327 DiskArbDiskAppearedWithMountpointPing_auto("AFS",
2328 DISK_ARB_NETWORK_DISK_FLAG,
2333 #endif /* AFS_DARWIN_ENV */
2337 #if !defined(AFS_SGI_ENV) && !defined(AFS_AIX32_ENV)
2339 call_syscall(param1, param2, param3, param4, param5, param6, param7)
2340 long param1, param2, param3, param4, param5, param6, param7;
2343 #ifdef AFS_LINUX20_ENV
2345 struct afsprocdata syscall_data;
2346 int fd = open(PROC_SYSCALL_FNAME, O_RDWR);
2348 fd = open(PROC_SYSCALL_ARLA_FNAME, O_RDWR);
2354 param4 = (long)eparm;
2356 syscall_data.syscall = AFSCALL_CALL;
2357 syscall_data.param1 = param1;
2358 syscall_data.param2 = param2;
2359 syscall_data.param3 = param3;
2360 syscall_data.param4 = param4;
2362 error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
2366 #ifdef AFS_DARWIN80_ENV
2367 struct afssysargs syscall_data;
2368 int fd = open(SYSCALL_DEV_FNAME,O_RDWR);
2369 syscall_data.syscall = AFSCALL_CALL;
2370 syscall_data.param1 = param1;
2371 syscall_data.param2 = param2;
2372 syscall_data.param3 = param3;
2373 syscall_data.param4 = param4;
2374 syscall_data.param5 = param5;
2375 syscall_data.param6 = param6;
2377 error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
2383 error=syscall_data.retval;
2386 syscall(AFS_SYSCALL, AFSCALL_CALL, param1, param2, param3, param4,
2387 param5, param6, param7);
2391 printf("SScall(%d, %d, %d)=%d ", AFS_SYSCALL, AFSCALL_CALL, param1,
2395 #else /* AFS_AIX32_ENV */
2396 #if defined(AFS_SGI_ENV)
2397 call_syscall(call, parm0, parm1, parm2, parm3, parm4)
2402 error = afs_syscall(call, parm0, parm1, parm2, parm3, parm4);
2404 printf("SScall(%d, %d)=%d ", call, parm0, error);
2409 call_syscall(call, parm0, parm1, parm2, parm3, parm4, parm5, parm6)
2412 return syscall(AFSCALL_CALL, call, parm0, parm1, parm2, parm3, parm4,
2415 #endif /* AFS_SGI_ENV */
2416 #endif /* AFS_AIX32_ENV */
2420 /* Special handling for AIX's afs mount operation since they require much more miscl. information before making the vmount(2) syscall */
2421 #include <sys/vfs.h>
2423 #define ROUNDUP(x) (((x) + 3) & ~3)
2427 struct vmount *vmountp;
2430 size = sizeof(struct vmount) + ROUNDUP(strlen(cacheMountDir) + 1) + 5 * 4;
2431 /* Malloc the vmount structure */
2432 if ((vmountp = (struct vmount *)malloc(size)) == (struct vmount *)NULL) {
2433 printf("Can't allocate space for the vmount structure (AIX)\n");
2437 /* zero out the vmount structure */
2438 memset(vmountp, '\0', size);
2440 /* transfer info into the vmount structure */
2441 vmountp->vmt_revision = VMT_REVISION;
2442 vmountp->vmt_length = size;
2443 vmountp->vmt_fsid.fsid_dev = 0;
2444 vmountp->vmt_fsid.fsid_type = AFS_MOUNT_AFS;
2445 vmountp->vmt_vfsnumber = 0;
2446 vmountp->vmt_time = 0; /* We'll put the time soon! */
2447 vmountp->vmt_flags = VFS_DEVMOUNT; /* read/write permission */
2448 vmountp->vmt_gfstype = AFS_MOUNT_AFS;
2449 vmountdata(vmountp, "AFS", cacheMountDir, "", "", "", "rw");
2451 /* Do the actual mount system call */
2452 error = vmount(vmountp, size);
2457 vmountdata(struct vmount * vmtp, char *obj, char *stub, char *host,
2458 char *hostsname, char *info, char *args)
2466 vdp = (struct data *)vmtp->vmt_data;
2467 vdp->vmt_off = sizeof(struct vmount);
2468 size = ROUNDUP(strlen(obj) + 1);
2469 vdp->vmt_size = size;
2470 strcpy(vmt2dataptr(vmtp, VMT_OBJECT), obj);
2474 vdp->vmt_off = vdprev->vmt_off + size;
2475 size = ROUNDUP(strlen(stub) + 1);
2476 vdp->vmt_size = size;
2477 strcpy(vmt2dataptr(vmtp, VMT_STUB), stub);
2481 vdp->vmt_off = vdprev->vmt_off + size;
2482 size = ROUNDUP(strlen(host) + 1);
2483 vdp->vmt_size = size;
2484 strcpy(vmt2dataptr(vmtp, VMT_HOST), host);
2488 vdp->vmt_off = vdprev->vmt_off + size;
2489 size = ROUNDUP(strlen(hostsname) + 1);
2490 vdp->vmt_size = size;
2491 strcpy(vmt2dataptr(vmtp, VMT_HOSTNAME), hostsname);
2496 vdp->vmt_off = vdprev->vmt_off + size;
2497 size = ROUNDUP(strlen(info) + 1);
2498 vdp->vmt_size = size;
2499 strcpy(vmt2dataptr(vmtp, VMT_INFO), info);
2503 vdp->vmt_off = vdprev->vmt_off + size;
2504 size = ROUNDUP(strlen(args) + 1);
2505 vdp->vmt_size = size;
2506 strcpy(vmt2dataptr(vmtp, VMT_ARGS), args);
2508 #endif /* AFS_AIX_ENV */
2510 #ifdef AFS_SGI53_ENV
2511 #ifdef AFS_SGI61_ENV
2512 /* The dwarf structures are searched to find entry points of static functions
2513 * and the addresses of static variables. The file name as well as the
2514 * sybmol name is reaquired.
2517 /* Contains list of names to find in given file. */
2519 char *name; /* Name of variable or function. */
2520 afs_hyper_t addr; /* Address of function, undefined if not found. */
2521 Dwarf_Half type; /* DW_AT_location for vars, DW_AT_lowpc for func's */
2522 char found; /* set if found. */
2526 char *file; /* Name of file containing vars or funcs */
2527 staticAddrList *addrList; /* List of vars and/or funcs. */
2528 int nAddrs; /* # of addrList's */
2529 int found; /* set if we've found this file already. */
2532 /* routines used to find addresses in /unix */
2533 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2534 void findMDebugStaticAddresses(staticNameList *, int, int);
2536 void findDwarfStaticAddresses(staticNameList *, int);
2537 void findElfAddresses(Dwarf_Debug, Dwarf_Die, staticNameList *);
2538 void getElfAddress(Dwarf_Debug, Dwarf_Die, staticAddrList *);
2540 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2541 #define AFS_N_FILELISTS 2
2542 #define AFS_SYMS_NEEDED 3
2543 #else /* AFS_SGI62_ENV */
2544 #define AFS_N_FILELISTS 1
2545 #endif /* AFS_SGI62_ENV */
2550 set_staticaddrs(void)
2552 staticNameList fileList[AFS_N_FILELISTS];
2554 fileList[0].addrList =
2555 (staticAddrList *) calloc(1, sizeof(staticAddrList));
2556 if (!fileList[0].addrList) {
2557 printf("set_staticaddrs: Can't calloc fileList[0].addrList\n");
2560 fileList[0].file = "nfs_server.c";
2561 fileList[0].found = 0;
2562 fileList[0].nAddrs = 1;
2563 fileList[0].addrList[0].name = "rfsdisptab_v2";
2564 fileList[0].addrList[0].type = DW_AT_location;
2565 fileList[0].addrList[0].found = 0;
2567 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2568 fileList[1].addrList =
2569 (staticAddrList *) calloc(2, sizeof(staticAddrList));
2570 if (!fileList[1].addrList) {
2571 printf("set_staticaddrs: Can't malloc fileList[1].addrList\n");
2574 fileList[1].file = "uipc_socket.c";
2575 fileList[1].found = 0;
2576 fileList[1].nAddrs = 2;
2577 fileList[1].addrList[0].name = "sblock";
2578 fileList[1].addrList[0].type = DW_AT_low_pc;
2579 fileList[1].addrList[0].found = 0;
2580 fileList[1].addrList[1].name = "sbunlock";
2581 fileList[1].addrList[1].type = DW_AT_low_pc;
2582 fileList[1].addrList[1].found = 0;
2584 if (64 != sysconf(_SC_KERN_POINTERS))
2585 findMDebugStaticAddresses(fileList, AFS_N_FILELISTS, AFS_SYMS_NEEDED);
2587 #endif /* AFS_SGI62_ENV */
2588 findDwarfStaticAddresses(fileList, AFS_N_FILELISTS);
2590 if (fileList[0].addrList[0].found) {
2591 call_syscall(AFSOP_NFSSTATICADDR2, fileList[0].addrList[0].addr.high,
2592 fileList[0].addrList[0].addr.low);
2595 printf("NFS V2 is not present in the kernel.\n");
2597 free(fileList[0].addrList);
2598 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2599 if (fileList[1].addrList[0].found && fileList[1].addrList[1].found) {
2600 call_syscall(AFSOP_SBLOCKSTATICADDR2,
2601 fileList[1].addrList[0].addr.high,
2602 fileList[1].addrList[0].addr.low,
2603 fileList[1].addrList[1].addr.high,
2604 fileList[1].addrList[1].addr.low);
2606 if (!fileList[1].addrList[0].found)
2607 printf("Can't find %s in kernel. Exiting.\n",
2608 fileList[1].addrList[0].name);
2609 if (!fileList[1].addrList[0].found)
2610 printf("Can't find %s in kernel. Exiting.\n",
2611 fileList[1].addrList[1].name);
2614 free(fileList[1].addrList);
2615 #endif /* AFS_SGI62_ENV */
2619 /* Find addresses for static variables and functions. */
2621 findDwarfStaticAddresses(staticNameList * nameList, int nLists)
2628 char *hname = (char *)0;
2629 Dwarf_Unsigned dwarf_access = O_RDONLY;
2630 Dwarf_Debug dwarf_debug;
2631 Dwarf_Error dwarf_error;
2632 Dwarf_Unsigned dwarf_cu_header_length;
2633 Dwarf_Unsigned dwarf_abbrev_offset;
2634 Dwarf_Half dwarf_address_size;
2635 Dwarf_Unsigned next_cu_header;
2636 Dwarf_Die dwarf_die;
2637 Dwarf_Die dwarf_next_die;
2638 Dwarf_Die dwarf_child_die;
2640 if (elf_version(EV_CURRENT) == EV_NONE) {
2641 printf("findDwarfStaticAddresses: Bad elf version.\n");
2645 if ((fd = open("/unix", O_RDONLY, 0)) < 0) {
2646 printf("findDwarfStaticAddresses: Failed to open /unix.\n");
2650 dwarf_init(fd, dwarf_access, NULL, NULL, &dwarf_debug, &dwarf_error);
2651 if (code != DW_DLV_OK) {
2652 /* Nope hope for the elves and dwarves, try intermediate code. */
2659 /* Run through the headers until we find ones for files we've
2660 * specified in nameList.
2663 dwarf_next_cu_header(dwarf_debug, &dwarf_cu_header_length, NULL,
2664 &dwarf_abbrev_offset, &dwarf_address_size,
2665 &next_cu_header, &dwarf_error);
2666 if (code == DW_DLV_NO_ENTRY) {
2668 } else if (code == DW_DLV_ERROR) {
2669 printf("findDwarfStaticAddresses: Error reading headers: %s\n",
2670 dwarf_errmsg(dwarf_error));
2674 code = dwarf_siblingof(dwarf_debug, NULL, &dwarf_die, &dwarf_error);
2675 if (code != DW_DLV_OK) {
2676 printf("findDwarfStaticAddresses: Can't get first die. %s\n",
2677 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2681 /* This is the header, test the name. */
2682 code = dwarf_diename(dwarf_die, &hname, &dwarf_error);
2683 if (code == DW_DLV_OK) {
2684 s = strrchr(hname, '/');
2685 for (i = 0; i < nLists; i++) {
2686 if (s && !strcmp(s + 1, nameList[i].file)) {
2687 findElfAddresses(dwarf_debug, dwarf_die, &nameList[i]);
2694 ("findDwarfStaticAddresses: Can't get name of current header. %s\n",
2695 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2698 dwarf_dealloc(dwarf_debug, hname, DW_DLA_STRING);
2700 if (found >= nLists) { /* we're done */
2705 /* Frees up all allocated space. */
2706 (void)dwarf_finish(dwarf_debug, &dwarf_error);
2711 findElfAddresses(Dwarf_Debug dwarf_debug, Dwarf_Die dwarf_die,
2712 staticNameList * nameList)
2715 Dwarf_Error dwarf_error;
2716 Dwarf_Die dwarf_next_die;
2717 Dwarf_Die dwarf_child_die;
2718 Dwarf_Attribute dwarf_return_attr;
2719 char *vname = (char *)0;
2723 /* Drop into this die to find names in addrList. */
2724 code = dwarf_child(dwarf_die, &dwarf_child_die, &dwarf_error);
2725 if (code != DW_DLV_OK) {
2726 printf("findElfAddresses: Can't get child die. %s\n",
2727 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2731 /* Try to find names in each sibling. */
2732 dwarf_next_die = (Dwarf_Die) 0;
2734 code = dwarf_diename(dwarf_child_die, &vname, &dwarf_error);
2735 /* It's possible that some siblings don't have names. */
2736 if (code == DW_DLV_OK) {
2737 for (i = 0; i < nameList->nAddrs; i++) {
2738 if (!nameList->addrList[i].found) {
2739 if (!strcmp(vname, nameList->addrList[i].name)) {
2740 getElfAddress(dwarf_debug, dwarf_child_die,
2741 &(nameList->addrList[i]));
2749 dwarf_dealloc(dwarf_debug, dwarf_next_die, DW_DLA_DIE);
2751 if (found >= nameList->nAddrs) { /* we're done. */
2755 dwarf_next_die = dwarf_child_die;
2757 dwarf_siblingof(dwarf_debug, dwarf_next_die, &dwarf_child_die,
2760 } while (code == DW_DLV_OK);
2763 /* Get address out of current die. */
2765 getElfAddress(Dwarf_Debug dwarf_debug, Dwarf_Die dwarf_child_die,
2766 staticAddrList * addrList)
2769 Dwarf_Error dwarf_error;
2770 Dwarf_Attribute dwarf_return_attr;
2771 Dwarf_Bool dwarf_return_bool;
2772 Dwarf_Locdesc *llbuf = NULL;
2773 Dwarf_Signed listlen;
2774 off64_t addr = (off64_t) 0;
2778 dwarf_hasattr(dwarf_child_die, addrList->type, &dwarf_return_bool,
2780 if ((code != DW_DLV_OK) || (!dwarf_return_bool)) {
2781 printf("getElfAddress: no address given for %s. %s\n", addrList->name,
2782 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2786 dwarf_attr(dwarf_child_die, addrList->type, &dwarf_return_attr,
2788 if (code != DW_DLV_OK) {
2789 printf("getElfAddress: Can't get attribute. %s\n",
2790 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2794 switch (addrList->type) {
2795 case DW_AT_location:
2797 dwarf_loclist(dwarf_return_attr, &llbuf, &listlen, &dwarf_error);
2798 if (code != DW_DLV_OK) {
2799 printf("getElfAddress: Can't get location for %s. %s\n",
2801 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2804 if ((listlen != 1) || (llbuf[0].ld_cents != 1)) {
2805 printf("getElfAddress: %s has more than one address.\n",
2809 addr = llbuf[0].ld_s[0].lr_number;
2814 dwarf_lowpc(dwarf_child_die, (Dwarf_Addr *) & addr, &dwarf_error);
2815 if (code != DW_DLV_OK) {
2816 printf("getElfAddress: Can't get lowpc for %s. %s\n",
2818 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2824 printf("getElfAddress: Bad case %d in switch.\n", addrList->type);
2828 addrList->addr.high = (addr >> 32) & 0xffffffff;
2829 addrList->addr.low = addr & 0xffffffff;
2830 addrList->found = 1;
2833 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2834 /* Find symbols in the .mdebug section for 32 bit kernels. */
2837 * On 32bit platforms, we're still using the ucode compilers to build
2838 * the kernel, so we need to get our static text/data from the .mdebug
2839 * section instead of the .dwarf sections.
2841 /* SearchNameList searches our bizarre structs for the given string.
2842 * If found, sets the found bit and the address and returns 1.
2843 * Not found returns 0.
2846 SearchNameList(char *name, afs_uint32 addr, staticNameList * nameList,
2850 for (i = 0; i < nLists; i++) {
2851 for (j = 0; j < nameList[i].nAddrs; j++) {
2852 if (nameList[i].addrList[j].found)
2854 if (!strcmp(name, nameList[i].addrList[j].name)) {
2855 nameList[i].addrList[j].addr.high = 0;
2856 nameList[i].addrList[j].addr.low = addr;
2857 nameList[i].addrList[j].found = 1;
2866 SearchMDebug(Elf_Scn * scnp, Elf32_Shdr * shdrp, staticNameList * nameList,
2867 int nLists, int needed)
2869 long *buf = (long *)(elf_getdata(scnp, NULL)->d_buf);
2870 u_long addr, mdoff = shdrp->sh_offset;
2872 SYMR *symbase, *symp, *symend;
2873 FDR *fdrbase, *fdrp;
2875 char *strbase, *str;
2880 addr = (__psunsigned_t) buf;
2881 hdrp = (HDRR *) addr;
2883 /* setup base addresses */
2884 addr = (u_long) buf + (u_long) (hdrp->cbFdOffset - mdoff);
2885 fdrbase = (FDR *) addr;
2886 addr = (u_long) buf + (u_long) (hdrp->cbSymOffset - mdoff);
2887 symbase = (SYMR *) addr;
2888 addr = (u_long) buf + (u_long) (hdrp->cbSsOffset - mdoff);
2889 strbase = (char *)addr;
2891 #define KEEPER(a,b) ((a == stStaticProc && b == scText) || \
2892 (a == stStatic && (b == scData || b == scBss || \
2893 b == scSBss || b == scSData)))
2895 for (fdrp = fdrbase; fdrp < &fdrbase[hdrp->ifdMax]; fdrp++) {
2896 str = strbase + fdrp->issBase + fdrp->rss;
2898 /* local symbols for each fd */
2899 for (symp = &symbase[fdrp->isymBase];
2900 symp < &symbase[fdrp->isymBase + fdrp->csym]; symp++) {
2901 if (KEEPER(symp->st, symp->sc)) {
2902 if (symp->value == 0)
2905 str = strbase + fdrp->issBase + symp->iss;
2906 /* Look for AFS symbols of interest */
2907 if (SearchNameList(str, symp->value, nameList, nLists)) {
2909 if (nFound >= needed)
2918 * returns section with the name of scn_name, & puts its header in shdr64 or
2919 * shdr32 based on elf's file type
2923 findMDebugSection(Elf * elf, char *scn_name)
2927 Elf_Scn *scn = NULL;
2931 if ((ehdr32 = elf32_getehdr(elf)) == NULL)
2934 if ((scn = elf_nextscn(elf, scn)) == NULL)
2936 if ((shdr32 = elf32_getshdr(scn)) == NULL)
2940 elf_strptr(elf, ehdr32->e_shstrndx, shdr32->sh_name)));
2947 findMDebugStaticAddresses(staticNameList * nameList, int nLists, int needed)
2951 Elf_Scn *mdebug_scn;
2952 Elf32_Shdr *mdebug_shdr;
2955 if ((fd = open("/unix", O_RDONLY)) == -1) {
2956 printf("findMDebugStaticAddresses: Failed to open /unix.\n");
2960 (void)elf_version(EV_CURRENT);
2961 if ((elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
2963 ("findMDebugStaticAddresses: /unix doesn't seem to be an elf file\n");
2967 mdebug_scn = findMDebugSection(elf, ".mdebug");
2969 printf("findMDebugStaticAddresses: Can't find .mdebug section.\n");
2972 mdebug_shdr = elf32_getshdr(mdebug_scn);
2974 printf("findMDebugStaticAddresses: Can't find .mdebug header.\n");
2978 (void)SearchMDebug(mdebug_scn, mdebug_shdr, nameList, nLists, needed);
2984 #endif /* AFS_SGI62_ENV */
2986 #else /* AFS_SGI61_ENV */
2988 struct nlist nlunix[] = {
2995 int i, j, kmem, count;
2997 if ((kmem = open("/dev/kmem", O_RDONLY)) < 0) {
2998 printf("Warning: can't open /dev/kmem\n");
3001 if ((j = nlist("/unix", nlunix)) < 0) {
3002 printf("Warning: can't nlist /unix\n");
3005 i = nlunix[0].n_value;
3006 if (lseek(kmem, i, L_SET /*0 */ ) != i) {
3007 printf("Warning: can't lseek to %x\n", i);
3010 if ((j = read(kmem, &count, sizeof count)) != sizeof count) {
3011 printf("WARNING: kmem read at %x failed\n", i);
3016 #endif /* AFS_SGI61_ENV */
3017 #endif /* AFS_SGI53_ENV */