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 Place where to put the logfile (default in <cache>/etc/AFSLog.
51 * -waitclose make close calls always synchronous (slows em down, tho)
52 * -files_per_subdir [n] number of files per cache subdir. (def=2048)
53 * -shutdown Shutdown afs daemons
54 *---------------------------------------------------------------------------*/
56 #include <afsconfig.h>
57 #include <afs/param.h>
67 #include <potpourri.h>
68 #include <afs/afsutil.h>
75 #include <sys/types.h>
84 #ifdef HAVE_SYS_PARAM_H
85 #include <sys/param.h>
88 #ifdef HAVE_SYS_FS_TYPES_H
89 #include <sys/fs_types.h>
92 #ifdef HAVE_SYS_MOUNT_H
93 #include <sys/mount.h>
96 #ifdef HAVE_SYS_FCNTL_H
97 #include <sys/fcntl.h>
100 #ifdef HAVE_SYS_MNTTAB_H
101 #include <sys/mnttab.h>
104 #ifdef HAVE_SYS_MNTENT_H
105 #include <sys/mntent.h>
112 #ifdef HAVE_SYS_MOUNT_H
113 #include <sys/mount.h>
116 #ifdef HAVE_SYS_VFS_H
120 #ifdef HAVE_SYS_FSTYP_H
121 #include <sys/fstyp.h>
132 #include <netinet/in.h>
133 #include <afs/afs_args.h>
134 #include <afs/cellconfig.h>
135 #include <afs/auth.h>
137 #include <afs/afssyscalls.h>
138 #include <afs/afsutil.h>
144 #include <libdwarf.h>
145 void set_staticaddrs(void);
146 #endif /* AFS_SGI61_ENV */
147 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
149 #include <symconst.h>
154 #ifdef AFS_LINUX20_ENV
155 #include <sys/resource.h>
157 #ifdef AFS_DARWIN_ENV
158 #ifdef AFS_DARWIN80_ENV
159 #include <sys/ioctl.h>
161 #include <mach/mach.h>
162 /* Symbols from the DiskArbitration framework */
163 kern_return_t DiskArbStart(mach_port_t *);
164 kern_return_t DiskArbDiskAppearedWithMountpointPing_auto(char *, unsigned int,
166 #define DISK_ARB_NETWORK_DISK_FLAG 8
167 #endif /* AFS_DARWIN_ENV */
170 #define MOUNT_AFS AFS_MOUNT_AFS
171 #endif /* MOUNT_AFS */
174 #include <sys/statvfs.h>
176 #if defined(AFS_SUN_ENV)
179 #if !defined(AFS_OSF_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_XBSD_ENV)
180 #include <sys/statfs.h>
190 #define CACHEINFOFILE "cacheinfo"
191 #define AFSLOGFILE "AFSLog"
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_AFSLogFile[1024]; /*Full pathname of AFSLOGFILE */
246 char fullpn_CacheInfo[1024]; /*Full pathname of CACHEINFO */
247 char fullpn_VFile[1024]; /*Full pathname of data cache files */
248 char *vFilePtr; /*Ptr to the number part of above pathname */
249 int sawCacheMountDir = 0; /* from cmd line */
250 int sawCacheBaseDir = 0;
251 int sawCacheBlocks = 0;
252 int sawDCacheSize = 0;
254 int sawCacheStatEntries = 0;
255 char cacheMountDir[1024]; /*Mount directory for AFS */
256 char rootVolume[64] = "root.afs"; /*AFS root volume name */
257 afs_int32 cacheSetTime = FALSE; /*Keep checking time to avoid drift? */
258 afs_int32 isHomeCell; /*Is current cell info for the home cell? */
260 int createAndTrunc = O_RDWR | O_CREAT | O_TRUNC; /*Create & truncate on open */
262 int createAndTrunc = O_CREAT | O_TRUNC; /*Create & truncate on open */
264 int ownerRWmode = 0600; /*Read/write OK by owner */
265 static int filesSet = 0; /*True if number of files explicitly set */
266 static int nFilesPerDir = 2048; /* # files per cache dir */
267 static int nDaemons = 2; /* Number of background daemons */
268 static int chunkSize = 0; /* 2^chunkSize bytes per chunk */
269 static int dCacheSize; /* # of dcache entries */
270 static int vCacheSize = 200; /* # of volume cache entries */
271 static int rootVolSet = 0; /*True if root volume name explicitly set */
272 int addrNum; /*Cell server address index being printed */
273 static int cacheFlags = 0; /*Flags to cache manager */
274 static int nBiods = 5; /* AIX3.1 only */
275 static int preallocs = 400; /* Def # of allocated memory blocks */
276 static int enable_peer_stats = 0; /* enable rx stats */
277 static int enable_process_stats = 0; /* enable rx stats */
279 static int enable_afsdb = 0; /* enable AFSDB support */
281 static int enable_dynroot = 0; /* enable dynroot support */
282 static int enable_fakestat = 0; /* enable fakestat support */
283 static int enable_backuptree = 0; /* enable backup tree support */
284 static int enable_nomount = 0; /* do not mount */
285 static int enable_splitcache = 0;
287 static int inodes = 60; /* VERY conservative, but has to be */
289 int afsd_verbose = 0; /*Are we being chatty? */
290 int afsd_debug = 0; /*Are we printing debugging info? */
291 int afsd_CloseSynch = 0; /*Are closes synchronous or not? */
294 #define AFSD_INO_T ino64_t
296 #define AFSD_INO_T afs_uint32
298 struct afsd_file_list {
300 struct afsd_file_list *next;
302 struct afsd_file_list **cache_dir_filelist = NULL;
303 int *cache_dir_list = NULL; /* Array of cache subdirs */
304 int *dir_for_V = NULL; /* Array: dir of each cache file.
305 * -1: file does not exist
306 * -2: file exists in top-level
307 * >=0: file exists in Dxxx
309 AFSD_INO_T *inode_for_V; /* Array of inodes for desired
311 int missing_DCacheFile = 1; /*Is the DCACHEFILE missing? */
312 int missing_VolInfoFile = 1; /*Is the VOLINFOFILE missing? */
313 int missing_CellInfoFile = 1; /*Is the CELLINFOFILE missing? */
314 int afsd_rmtsys = 0; /* Default: don't support rmtsys */
315 struct afs_cacheParams cparams; /* params passed to cache manager */
317 static int HandleMTab();
319 /* ParseArgs is now obsolete, being handled by cmd */
321 /*------------------------------------------------------------------------------
325 * Open the file containing the description of the workstation's AFS cache
326 * and pull out its contents. The format of this file is as follows:
328 * cacheMountDir:cacheBaseDir:cacheBlocks
334 * 0 if everything went well,
338 * Nothing interesting.
342 *---------------------------------------------------------------------------*/
345 ParseCacheInfoFile(void)
347 static char rn[] = "ParseCacheInfoFile"; /*This routine's name */
348 FILE *cachefd; /*Descriptor for cache info file */
349 int parseResult; /*Result of our fscanf() */
350 afs_int32 tCacheBlocks;
351 char tCacheBaseDir[1024], *tbd, tCacheMountDir[1024], *tmd;
354 printf("%s: Opening cache info file '%s'...\n", rn, fullpn_CacheInfo);
356 cachefd = fopen(fullpn_CacheInfo, "r");
358 printf("%s: Can't read cache info file '%s'\n", rn, fullpn_CacheInfo);
363 * Parse the contents of the cache info file. All chars up to the first
364 * colon are the AFS mount directory, all chars to the next colon are the
365 * full path name of the workstation cache directory and all remaining chars
366 * represent the number of blocks in the cache.
368 tCacheMountDir[0] = tCacheBaseDir[0] = '\0';
370 fscanf(cachefd, "%1024[^:]:%1024[^:]:%d", tCacheMountDir,
371 tCacheBaseDir, &tCacheBlocks);
374 * Regardless of how the parse went, we close the cache info file.
378 if (parseResult == EOF || parseResult < 3) {
379 printf("%s: Format error in cache info file!\n", rn);
380 if (parseResult == EOF)
381 printf("\tEOF encountered before any field parsed.\n");
383 printf("\t%d out of 3 fields successfully parsed.\n",
389 for (tmd = tCacheMountDir; *tmd == '\n' || *tmd == ' ' || *tmd == '\t';
391 for (tbd = tCacheBaseDir; *tbd == '\n' || *tbd == ' ' || *tbd == '\t';
393 /* now copy in the fields not explicitly overridden by cmd args */
394 if (!sawCacheMountDir)
395 strcpy(cacheMountDir, tmd);
396 if (!sawCacheBaseDir)
397 strcpy(cacheBaseDir, tbd);
399 cacheBlocks = tCacheBlocks;
402 printf("%s: Cache info file successfully parsed:\n", rn);
404 ("\tcacheMountDir: '%s'\n\tcacheBaseDir: '%s'\n\tcacheBlocks: %d\n",
405 tmd, tbd, tCacheBlocks);
407 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
408 return (PartSizeOverflow(tbd, cacheBlocks));
415 * All failures to open the partition are ignored. Also if the cache dir
416 * isn't a mounted partition it's also ignored since we can't guarantee
417 * what will be stored afterwards. Too many if's. This is now purely
418 * advisory. ODS with over 2G partition also gives warning message.
421 * 0 if everything went well,
425 PartSizeOverflow(char *path, int cs)
427 int bsize = -1, totalblks, mint;
429 struct statvfs statbuf;
431 if (statvfs(path, &statbuf) != 0) {
434 ("statvfs failed on %s; skip checking for adequate partition space\n",
438 totalblks = statbuf.f_blocks;
439 bsize = statbuf.f_frsize;
441 if (strcmp(statbuf.f_basetype, "jfs")) {
442 fprintf(stderr, "Cache filesystem '%s' must be jfs (now %s)\n",
443 path, statbuf.f_basetype);
446 #endif /* AFS_AIX51_ENV */
448 #else /* AFS_HAVE_STATVFS */
449 struct statfs statbuf;
451 if (statfs(path, &statbuf) < 0) {
454 ("statfs failed on %s; skip checking for adequate partition space\n",
458 totalblks = statbuf.f_blocks;
459 bsize = statbuf.f_bsize;
462 return 0; /* sucess */
464 /* now free and totalblks are in fragment units, but we want them in 1K units */
466 totalblks *= (bsize / 1024);
468 totalblks /= (1024 / bsize);
471 mint = totalblks / 100 * 95;
474 ("Cache size (%d) must be less than 95%% of partition size (which is %d). Lower cache size\n",
482 /*-----------------------------------------------------------------------------
486 * Given the final component of a filename expected to be a data cache file,
487 * return the integer corresponding to the file. Note: we reject names that
488 * are not a ``V'' followed by an integer. We also reject those names having
489 * the right format but lying outside the range [0..cacheFiles-1].
492 * fname : Char ptr to the filename to parse.
493 * max : integer for the highest number to accept
496 * >= 0 iff the file is really a data cache file numbered from 0 to cacheFiles-1, or
500 * Nothing interesting.
504 *---------------------------------------------------------------------------*/
507 doGetXFileNumber(fname, filechar, maxNum)
512 int computedVNumber; /*The computed file number we return */
513 int filenameLen; /*Number of chars in filename */
514 int currDigit; /*Current digit being processed */
517 * The filename must have at least two characters, the first of which must be a ``filechar''
518 * and the second of which cannot be a zero unless the file is exactly two chars long.
520 filenameLen = strlen(fname);
523 if (fname[0] != filechar)
525 if ((filenameLen > 2) && (fname[1] == '0'))
529 * Scan through the characters in the given filename, failing immediately if a non-digit
532 for (currDigit = 1; currDigit < filenameLen; currDigit++)
533 if (isdigit(fname[currDigit]) == 0)
537 * All relevant characters are digits. Pull out the decimal number they represent.
538 * Reject it if it's out of range, otherwise return it.
540 computedVNumber = atoi(++fname);
541 if (computedVNumber < cacheFiles)
542 return (computedVNumber);
548 GetVFileNumber(fname, maxFile)
552 return doGetXFileNumber(fname, 'V', maxFile);
556 GetDDirNumber(fname, maxDir)
560 return doGetXFileNumber(fname, 'D', maxDir);
564 /*-----------------------------------------------------------------------------
568 * Given a full pathname for a file we need to create for the workstation AFS
569 * cache, go ahead and create the file.
572 * fname : Full pathname of file to create.
573 * statp : A pointer to a stat buffer which, if NON-NULL, will be
577 * 0 iff the file was created,
581 * The given cache file has been found to be missing.
585 *---------------------------------------------------------------------------*/
588 CreateCacheSubDir(basename, dirNum)
592 static char rn[] = "CreateCacheSubDir"; /* Routine Name */
596 /* Build the new cache subdirectory */
597 sprintf(dir, "%s/D%d", basename, dirNum);
600 printf("%s: Creating cache subdir '%s'\n", rn, dir);
602 if ((ret = mkdir(dir, 0700)) != 0) {
603 printf("%s: Can't create '%s', error return is %d (%d)\n", rn, dir,
609 /* Mark this directory as created */
610 cache_dir_list[dirNum] = 0;
612 /* And return success */
617 MoveCacheFile(basename, fromDir, toDir, cacheFile, maxDir)
619 int fromDir, toDir, cacheFile, maxDir;
621 static char rn[] = "MoveCacheFile";
622 char from[1024], to[1024];
625 if (cache_dir_list[toDir] < 0
626 && (ret = CreateCacheSubDir(basename, toDir))) {
627 printf("%s: Can't create directory '%s/D%d'\n", rn, basename, toDir);
631 /* Build the from,to dir */
633 /* old-style location */
634 snprintf(from, sizeof(from), "%s/V%d", basename, cacheFile);
636 snprintf(from, sizeof(from), "%s/D%d/V%d", basename, fromDir,
640 snprintf(to, sizeof(from), "%s/D%d/V%d", basename, toDir, cacheFile);
643 printf("%s: Moving cacheFile from '%s' to '%s'\n", rn, from, to);
645 if ((ret = rename(from, to)) != 0) {
646 printf("%s: Can't rename '%s' to '%s', error return is %d (%d)\n", rn,
647 from, to, ret, errno);
651 /* Reset directory pointer; fix file counts */
652 dir_for_V[cacheFile] = toDir;
653 cache_dir_list[toDir]++;
654 if (fromDir < maxDir && fromDir >= 0)
655 cache_dir_list[fromDir]--;
661 CreateCacheFile(fname, statp)
665 static char rn[] = "CreateCacheFile"; /*Routine name */
666 int cfd; /*File descriptor to AFS cache file */
667 int closeResult; /*Result of close() */
670 printf("%s: Creating cache file '%s'\n", rn, fname);
671 cfd = open(fname, createAndTrunc, ownerRWmode);
673 printf("%s: Can't create '%s', error return is %d (%d)\n", rn, fname,
678 closeResult = fstat(cfd, statp);
681 ("%s: Can't stat newly-created AFS cache file '%s' (code %d)\n",
686 closeResult = close(cfd);
689 ("%s: Can't close newly-created AFS cache file '%s' (code %d)\n",
698 CreateFileIfMissing(char *fullpn, int missing)
701 if (CreateCacheFile(fullpn, NULL))
702 printf("CreateFileIfMissing: Can't create '%s'\n", fullpn);
707 UnlinkUnwantedFile(char *rn, char *fullpn_FileToDelete, char *fileToDelete)
709 if (unlink(fullpn_FileToDelete)) {
710 if ((errno == EISDIR || errno == EPERM) && *fileToDelete == 'D') {
711 if (rmdir(fullpn_FileToDelete)) {
712 printf("%s: Can't rmdir '%s', errno is %d\n", rn,
713 fullpn_FileToDelete, errno);
716 printf("%s: Can't unlink '%s', errno is %d\n", rn,
717 fullpn_FileToDelete, errno);
721 /*-----------------------------------------------------------------------------
725 * Sweep through the AFS cache directory, recording the inode number for
726 * each valid data cache file there. Also, delete any file that doesn't belong
727 * in the cache directory during this sweep, and remember which of the other
728 * residents of this directory were seen. After the sweep, we create any data
729 * cache files that were missing.
732 * vFilesFound : Set to the number of data cache files found.
735 * 0 if everything went well,
739 * This routine may be called several times. If the number of data cache files
740 * found is less than the global cacheFiles, then the caller will need to call it
741 * again to record the inodes of the missing zero-length data cache files created
742 * in the previous call.
745 * Fills up the global inode_for_V array, may create and/or delete files as
747 *---------------------------------------------------------------------------*/
751 doSweepAFSCache(vFilesFound, directory, dirNum, maxDir)
753 char *directory; /* /path/to/cache/directory */
754 int dirNum; /* current directory number */
755 int maxDir; /* maximum directory number */
757 static char rn[] = "doSweepAFSCache"; /* Routine Name */
758 char fullpn_FileToDelete[1024]; /*File to be deleted from cache */
759 char *fileToDelete; /*Ptr to last component of above */
760 DIR *cdirp; /*Ptr to cache directory structure */
762 struct dirent64 *currp; /*Current directory entry */
764 struct dirent *currp; /*Current directory entry */
766 int vFileNum; /*Data cache file's associated number */
767 int thisDir; /* A directory number */
771 printf("%s: Opening cache directory '%s'\n", rn, directory);
773 if (chmod(directory, 0700)) { /* force it to be 700 */
774 printf("%s: Can't 'chmod 0700' the cache dir, '%s'.\n", rn,
778 cdirp = opendir(directory);
779 if (cdirp == (DIR *) 0) {
780 printf("%s: Can't open AFS cache directory, '%s'.\n", rn, directory);
785 * Scan the directory entries, remembering data cache file inodes
786 * and the existance of other important residents. Recurse into
787 * the data subdirectories.
789 * Delete all files and directories that don't belong here.
791 sprintf(fullpn_FileToDelete, "%s/", directory);
792 fileToDelete = fullpn_FileToDelete + strlen(fullpn_FileToDelete);
795 for (currp = readdir64(cdirp); currp; currp = readdir64(cdirp))
797 for (currp = readdir(cdirp); currp; currp = readdir(cdirp))
801 printf("%s: Current directory entry:\n", rn);
803 printf("\tinode=%lld, reclen=%d, name='%s'\n", currp->d_ino,
804 currp->d_reclen, currp->d_name);
806 printf("\tinode=%d, reclen=%d, name='%s'\n", currp->d_ino,
807 currp->d_reclen, currp->d_name);
812 * If dirNum < 0, we are a top-level cache directory and should
813 * only contain sub-directories and other sundry files. Therefore,
814 * V-files are valid only if dirNum >= 0, and Directories are only
815 * valid if dirNum < 0.
818 if (*(currp->d_name) == 'V'
819 && ((vFileNum = GetVFileNumber(currp->d_name, cacheFiles)) >=
822 * Found a valid data cache filename. Remember this
823 * file's inode, directory, and bump the number of files found
824 * total and in this directory.
826 inode_for_V[vFileNum] = currp->d_ino;
827 dir_for_V[vFileNum] = dirNum; /* remember this directory */
830 /* If we're in a real subdir, mark this file to be moved
831 * if we've already got too many files in this directory
834 cache_dir_list[dirNum]++; /* keep directory's file count */
835 if (cache_dir_list[dirNum] > nFilesPerDir) {
836 /* Too many files -- add to filelist */
837 struct afsd_file_list *tmp = (struct afsd_file_list *)
838 malloc(sizeof(*tmp));
841 ("%s: MALLOC FAILED allocating file_list entry\n",
844 tmp->fileNum = vFileNum;
845 tmp->next = cache_dir_filelist[dirNum];
846 cache_dir_filelist[dirNum] = tmp;
851 } else if (dirNum < 0 && (*(currp->d_name) == 'D')
852 && GetDDirNumber(currp->d_name, 1 << 30) >= 0) {
854 if ((vFileNum = GetDDirNumber(currp->d_name, maxDir)) >= 0) {
855 /* Found a valid cachefile sub-Directory. Remember this number
856 * and recurse into it. Note that subdirs cannot have subdirs.
859 } else if ((vFileNum = GetDDirNumber(currp->d_name, 1 << 30)) >=
861 /* This directory is going away, but figure out if there
862 * are any cachefiles in here that should be saved by
863 * moving them to other cache directories. This directory
864 * will be removed later.
869 /* Save the highest directory number we've seen */
870 if (vFileNum > highDir)
873 /* If this directory is staying, be sure to mark it as 'found' */
875 cache_dir_list[vFileNum] = 0;
877 /* Print the dirname for recursion */
878 sprintf(fileToDelete, "%s", currp->d_name);
880 /* Note: vFileNum is the directory number */
882 doSweepAFSCache(vFilesFound, fullpn_FileToDelete, vFileNum,
883 (retval == 1 ? 0 : -1));
885 printf("%s: Recursive sweep failed on directory %s\n", rn,
889 } else if (dirNum < 0 && strcmp(currp->d_name, DCACHEFILE) == 0) {
891 * Found the file holding the dcache entries.
893 missing_DCacheFile = 0;
894 } else if (dirNum < 0 && strcmp(currp->d_name, VOLINFOFILE) == 0) {
896 * Found the file holding the volume info.
898 missing_VolInfoFile = 0;
899 } else if (dirNum < 0 && strcmp(currp->d_name, CELLINFOFILE) == 0) {
901 * Found the file holding the cell info.
903 missing_CellInfoFile = 0;
904 } else if ((strcmp(currp->d_name, ".") == 0)
905 || (strcmp(currp->d_name, "..") == 0) ||
906 #ifdef AFS_DECOSF_ENV
907 /* these are magic AdvFS files */
908 (strcmp(currp->d_name, ".tags") == 0)
909 || (strcmp(currp->d_name, "quota.user") == 0)
910 || (strcmp(currp->d_name, "quota.group") == 0) ||
912 #ifdef AFS_LINUX22_ENV
913 /* this is the ext3 journal file */
914 (strcmp(currp->d_name, ".journal") == 0) ||
916 (strcmp(currp->d_name, "lost+found") == 0)) {
918 * Don't do anything - this file is legit, and is to be left alone.
922 * This file/directory doesn't belong in the cache. Nuke it.
924 sprintf(fileToDelete, "%s", currp->d_name);
926 printf("%s: Deleting '%s'\n", rn, fullpn_FileToDelete);
927 UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
934 * Create all the cache files that are missing.
936 CreateFileIfMissing(fullpn_DCacheFile, missing_DCacheFile);
937 CreateFileIfMissing(fullpn_VolInfoFile, missing_VolInfoFile);
938 CreateFileIfMissing(fullpn_CellInfoFile, missing_CellInfoFile);
940 /* ADJUST CACHE FILES */
942 /* First, let's walk through the list of files and figure out
943 * if there are any leftover files in extra directories or
944 * missing files. Move the former and create the latter in
945 * subdirs with extra space.
948 thisDir = 0; /* Keep track of which subdir has space */
950 for (vFileNum = 0; vFileNum < cacheFiles; vFileNum++) {
951 if (dir_for_V[vFileNum] == -1) {
952 /* This file does not exist. Create it in the first
953 * subdir that still has extra space.
955 while (thisDir < maxDir
956 && cache_dir_list[thisDir] >= nFilesPerDir)
958 if (thisDir >= maxDir)
959 printf("%s: can't find directory to create V%d\n", rn,
963 assert(inode_for_V[vFileNum] == (AFSD_INO_T) 0);
964 sprintf(vFilePtr, "D%d/V%d", thisDir, vFileNum);
966 printf("%s: Creating '%s'\n", rn, fullpn_VFile);
967 if (cache_dir_list[thisDir] < 0
968 && CreateCacheSubDir(directory, thisDir))
969 printf("%s: Can't create directory for '%s'\n", rn,
971 if (CreateCacheFile(fullpn_VFile, &statb))
972 printf("%s: Can't create '%s'\n", rn, fullpn_VFile);
974 inode_for_V[vFileNum] = statb.st_ino;
975 dir_for_V[vFileNum] = thisDir;
976 cache_dir_list[thisDir]++;
981 } else if (dir_for_V[vFileNum] >= maxDir
982 || dir_for_V[vFileNum] == -2) {
983 /* This file needs to move; move it to the first subdir
984 * that has extra space. (-2 means it's in the toplevel)
986 while (thisDir < maxDir
987 && cache_dir_list[thisDir] >= nFilesPerDir)
989 if (thisDir >= maxDir)
990 printf("%s: can't find directory to move V%d\n", rn,
994 (directory, dir_for_V[vFileNum], thisDir, vFileNum,
996 /* Cannot move. Ignore this file??? */
1003 /* At this point, we've moved all of the valid cache files
1004 * into the valid subdirs, and created all the extra
1005 * cachefiles we need to create. Next, rebalance any subdirs
1006 * with too many cache files into the directories with not
1007 * enough cache files. Note that thisDir currently sits at
1008 * the lowest subdir that _may_ have room.
1011 for (dirNum = 0; dirNum < maxDir; dirNum++) {
1012 struct afsd_file_list *thisFile;
1014 for (thisFile = cache_dir_filelist[dirNum];
1015 thisFile && cache_dir_list[dirNum] >= nFilesPerDir;
1016 thisFile = thisFile->next) {
1017 while (thisDir < maxDir
1018 && cache_dir_list[thisDir] >= nFilesPerDir)
1020 if (thisDir >= maxDir)
1021 printf("%s: can't find directory to move V%d\n", rn,
1025 (directory, dirNum, thisDir, thisFile->fileNum,
1027 /* Cannot move. Ignore this file??? */
1031 } /* for each file to move */
1032 } /* for each directory */
1034 /* Remove any directories >= maxDir -- they should be empty */
1035 for (; highDir >= maxDir; highDir--) {
1036 sprintf(fileToDelete, "D%d", highDir);
1037 UnlinkUnwantedFile(rn, fullpn_FileToDelete, fileToDelete);
1043 * Close the directory, return success.
1046 printf("%s: Closing cache directory.\n", rn);
1052 CheckCacheBaseDir(char *dir)
1054 struct stat statbuf;
1057 return "cache base dir not specified";
1059 if (stat(dir, &statbuf) != 0) {
1060 return "unable to stat cache base directory";
1063 /* might want to check here for anything else goofy, like cache pointed at a non-dedicated directory, etc */
1065 #ifdef AFS_LINUX24_ENV
1068 struct statfs statfsbuf;
1070 res = statfs(dir, &statfsbuf);
1072 return "unable to statfs cache base directory";
1074 if (statfsbuf.f_type == 0x52654973) { /* REISERFS_SUPER_MAGIC */
1075 return "cannot use reiserfs as cache partition";
1076 } else if (statfsbuf.f_type == 0x58465342) { /* XFS_SUPER_MAGIC */
1077 return "cannot use xfs as cache partition";
1085 struct statfs statfsbuf;
1088 res = statfs(dir, &statfsbuf);
1090 return "unable to statfs cache base directory";
1093 if (sysfs(GETFSTYP, statfsbuf.f_fsid[1], name) != 0) {
1094 return "unable to determine filesystem type for cache base dir";
1097 if (strcmp(name, "hfs")) {
1098 return "can only use hfs filesystem for cache partition on hpux";
1107 struct stat statmnt, statci;
1109 if ((stat(dir, &statci) == 0)
1110 && ((vfstab = fopen(MNTTAB, "r")) != NULL)) {
1111 while (getmntent(vfstab, &mnt) == 0) {
1112 if (strcmp(dir, mnt.mnt_mountp) != 0) {
1116 if (cp = hasmntopt(&mnt, "dev="))
1118 (int)strtol(cp + strlen("dev="), (char **)NULL,
1121 if ((rdev == 0) && (stat(mnt.mnt_mountp, &statmnt) == 0))
1122 rdev = statmnt.st_dev;
1124 if ((rdev == statci.st_dev)
1125 && (hasmntopt(&mnt, "logging") != NULL)) {
1129 "mounting a multi-use partition which contains the AFS cache with the\n\"logging\" option may deadlock your system.\n\n";
1143 SweepAFSCache(vFilesFound)
1146 static char rn[] = "SweepAFSCache"; /*Routine name */
1147 int maxDir = (cacheFiles + nFilesPerDir - 1) / nFilesPerDir;
1152 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1154 printf("%s: Memory Cache, no cache sweep done\n", rn);
1158 if (cache_dir_list == NULL) {
1159 cache_dir_list = (int *)malloc(maxDir * sizeof(*cache_dir_list));
1160 if (cache_dir_list == NULL) {
1161 printf("%s: Malloc Failed!\n", rn);
1164 for (i = 0; i < maxDir; i++)
1165 cache_dir_list[i] = -1; /* Does not exist */
1168 if (cache_dir_filelist == NULL) {
1169 cache_dir_filelist = (struct afsd_file_list **)
1170 malloc(maxDir * sizeof(*cache_dir_filelist));
1171 if (cache_dir_filelist == NULL) {
1172 printf("%s: Malloc Failed!\n", rn);
1175 memset(cache_dir_filelist, 0, maxDir * sizeof(*cache_dir_filelist));
1178 if (dir_for_V == NULL) {
1179 dir_for_V = (int *)malloc(cacheFiles * sizeof(*dir_for_V));
1180 if (dir_for_V == NULL) {
1181 printf("%s: Malloc Failed!\n", rn);
1184 for (i = 0; i < cacheFiles; i++)
1185 dir_for_V[i] = -1; /* Does not exist */
1188 /* Note, setting dirNum to -2 here will cause cachefiles found in
1189 * the toplevel directory to be marked in directory "-2". This
1190 * allows us to differentiate between 'file not seen' (-1) and
1191 * 'file seen in top-level' (-2). Then when we try to move the
1192 * file into a subdirectory, we know it's in the top-level instead
1193 * of some other cache subdir.
1195 return doSweepAFSCache(vFilesFound, cacheBaseDir, -2, maxDir);
1199 ConfigCell(struct afsconf_cell *aci, char *arock, struct afsconf_dir *adir)
1203 afs_int32 cellFlags = 0;
1204 afs_int32 hosts[MAXHOSTSPERCELL];
1206 /* figure out if this is the home cell */
1207 isHomeCell = (strcmp(aci->name, LclCellName) == 0);
1209 cellFlags = 2; /* not home, suid is forbidden */
1211 /* build address list */
1212 for (i = 0; i < MAXHOSTSPERCELL; i++)
1213 memcpy(&hosts[i], &aci->hostAddr[i].sin_addr, sizeof(afs_int32));
1215 if (aci->linkedCell)
1216 cellFlags |= 4; /* Flag that linkedCell arg exists,
1217 * for upwards compatibility */
1219 /* configure one cell */
1220 code = call_syscall(AFSOP_ADDCELL2, hosts, /* server addresses */
1221 aci->name, /* cell name */
1222 cellFlags, /* is this the home cell? */
1223 aci->linkedCell); /* Linked cell, if any */
1225 printf("Adding cell '%s': error %d\n", aci->name, code);
1230 ConfigCellAlias(struct afsconf_cellalias *aca,
1231 char *arock, struct afsconf_dir *adir)
1233 /* push the alias into the kernel */
1234 call_syscall(AFSOP_ADDCELLALIAS, aca->aliasName, aca->realName);
1238 #ifdef AFS_AFSDB_ENV
1240 AfsdbLookupHandler()
1242 afs_int32 kernelMsg[64];
1243 char acellName[128];
1245 struct afsconf_cell acellInfo;
1250 acellName[0] = '\0';
1253 /* On some platforms you only get 4 args to an AFS call */
1254 int sizeArg = ((sizeof acellName) << 16) | (sizeof kernelMsg);
1256 call_syscall(AFSOP_AFSDB_HANDLER, acellName, kernelMsg, sizeArg);
1257 if (code) { /* Something is wrong? */
1262 if (*acellName == 1) /* Shutting down */
1265 code = afsconf_GetAfsdbInfo(acellName, 0, &acellInfo);
1270 kernelMsg[0] = acellInfo.numServers;
1271 if (acellInfo.timeout)
1272 kernelMsg[1] = acellInfo.timeout - time(0);
1275 for (i = 0; i < acellInfo.numServers; i++)
1276 kernelMsg[i + 2] = acellInfo.hostAddr[i].sin_addr.s_addr;
1277 strncpy(acellName, acellInfo.name, sizeof(acellName));
1278 acellName[sizeof(acellName) - 1] = '\0';
1287 #include <sys/ioctl.h>
1290 #ifdef AFS_SGI65_ENV
1291 #define SET_RTPRI(P) { \
1292 struct sched_param sp; \
1293 sp.sched_priority = P; \
1294 if (sched_setscheduler(0, SCHED_RR, &sp)<0) { \
1295 perror("sched_setscheduler"); \
1298 #define SET_AFSD_RTPRI() SET_RTPRI(68)
1299 #define SET_RX_RTPRI() SET_RTPRI(199)
1301 #ifdef AFS_LINUX20_ENV
1302 #define SET_AFSD_RTPRI()
1303 #define SET_RX_RTPRI() do { if (setpriority(PRIO_PROCESS, 0, -10)<0) \
1304 perror("setting rx priority"); \
1307 #define SET_AFSD_RTPRI()
1308 #define SET_RX_RTPRI()
1312 mainproc(struct cmd_syndesc *as, char *arock)
1314 static char rn[] = "afsd"; /*Name of this routine */
1315 afs_int32 code; /*Result of fork() */
1317 int currVFile; /*Current AFS cache file number passed in */
1318 int mountFlags; /*Flags passed to mount() */
1319 int lookupResult; /*Result of GetLocalCellName() */
1320 int cacheIteration; /*How many times through cache verification */
1321 int vFilesFound; /*How many data cache files were found in sweep */
1322 struct afsconf_dir *cdir; /* config dir */
1324 char *fsTypeMsg = NULL;
1328 afs_int32 vfs1_type = -1;
1329 #ifdef AFS_SGI65_ENV
1330 struct sched_param sp;
1333 #ifdef AFS_SGI_VNODE_GLUE
1334 if (afs_init_kernel_config(-1) < 0) {
1335 printf("Can't determine NUMA configuration, not starting AFS.\n");
1340 /* call atoi on the appropriate parsed results */
1341 if (as->parms[0].items) {
1343 cacheBlocks = atoi(as->parms[0].items->data);
1346 if (as->parms[1].items) {
1348 cacheFiles = atoi(as->parms[1].items->data);
1349 filesSet = 1; /* set when spec'd on cmd line */
1351 if (as->parms[2].items) {
1353 strcpy(rootVolume, as->parms[2].items->data);
1356 if (as->parms[3].items) {
1358 cacheStatEntries = atoi(as->parms[3].items->data);
1359 sawCacheStatEntries = 1;
1361 if (as->parms[4].items) {
1363 cacheBaseDir[0] = '\0';
1364 sawCacheBaseDir = 1;
1365 cacheFlags |= AFSCALL_INIT_MEMCACHE;
1367 if (as->parms[5].items) {
1369 strcpy(cacheBaseDir, as->parms[5].items->data);
1370 sawCacheBaseDir = 1;
1372 if (as->parms[6].items) {
1374 strcpy(cacheMountDir, as->parms[6].items->data);
1375 sawCacheMountDir = 1;
1377 if (as->parms[7].items) {
1379 nDaemons = atoi(as->parms[7].items->data);
1381 if (as->parms[8].items) {
1383 cacheSetTime = FALSE;
1385 if (as->parms[9].items) {
1389 if (as->parms[10].items) {
1393 if (as->parms[11].items) {
1398 if (as->parms[12].items) {
1400 chunkSize = atoi(as->parms[12].items->data);
1401 if (chunkSize < 0 || chunkSize > 30) {
1403 ("afsd:invalid chunk size (not in range 0-30), using default\n");
1407 if (as->parms[13].items) {
1409 dCacheSize = atoi(as->parms[13].items->data);
1412 if (as->parms[14].items) {
1414 vCacheSize = atoi(as->parms[14].items->data);
1416 if (as->parms[15].items) {
1418 #ifndef AFS_AIX32_ENV
1420 ("afsd: [-biods] currently only enabled for aix3.x VM supported systems\n");
1422 nBiods = atoi(as->parms[15].items->data);
1426 if (as->parms[16].items) {
1428 preallocs = atoi(as->parms[16].items->data);
1431 if (as->parms[17].items) {
1433 inodes = atoi(as->parms[17].items->data);
1436 strcpy(confDir, AFSDIR_CLIENT_ETC_DIRPATH);
1437 if (as->parms[17].items) {
1439 strcpy(confDir, as->parms[17].items->data);
1441 sprintf(fullpn_CacheInfo, "%s/%s", confDir, CACHEINFOFILE);
1442 sprintf(fullpn_AFSLogFile, "%s/%s", confDir, AFSLOGFILE);
1443 if (as->parms[18].items) {
1445 strcpy(fullpn_AFSLogFile, as->parms[18].items->data);
1447 if (as->parms[19].items) {
1449 afsd_CloseSynch = 1;
1451 if (as->parms[20].items) {
1455 * Cold shutdown is the default
1457 printf("afsd: Shutting down all afs processes and afs state\n");
1458 code = call_syscall(AFSOP_SHUTDOWN, 1);
1460 printf("afsd: AFS still mounted; Not shutting down\n");
1465 if (as->parms[21].items) {
1466 /* -enable_peer_stats */
1467 enable_peer_stats = 1;
1469 if (as->parms[22].items) {
1470 /* -enable_process_stats */
1471 enable_process_stats = 1;
1473 if (as->parms[23].items) {
1474 /* -mem_alloc_sleep */
1475 cacheFlags |= AFSCALL_INIT_MEMCACHE_SLEEP;
1477 if (as->parms[24].items) {
1479 #ifdef AFS_AFSDB_ENV
1482 printf("afsd: No AFSDB support; ignoring -afsdb");
1485 if (as->parms[25].items) {
1486 /* -files_per_subdir */
1487 int res = atoi(as->parms[25].items->data);
1488 if (res < 10 || res > 2 ^ 30) {
1490 ("afsd:invalid number of files per subdir, \"%s\". Ignored\n",
1491 as->parms[25].items->data);
1496 if (as->parms[26].items) {
1500 if (as->parms[27].items) {
1502 enable_fakestat = 2;
1504 if (as->parms[28].items) {
1506 enable_fakestat = 1;
1508 if (as->parms[29].items) {
1512 if (as->parms[30].items) {
1514 enable_backuptree = 1;
1516 if (as->parms[31].items) {
1520 if (as->parms[32].items) {
1522 cacheSetTime = TRUE;
1525 /* set rx_extraPackets */
1526 if (as->parms[33].items) {
1528 int rxpck = atoi(as->parms[33].items->data);
1529 printf("afsd: set rxpck = %d\n", rxpck);
1530 code = call_syscall(AFSOP_SET_RXPCK, rxpck);
1532 printf("afsd: failed to set rxpck\n");
1536 if (as->parms[34].items) {
1538 if (!as->parms[34].items->data ||
1539 ((c = strchr(as->parms[34].items->data, '/')) == NULL))
1541 ("ignoring splitcache (specify as RW/RO percentages: 60/40)\n");
1543 ropct = atoi((char *)c + 1);
1545 rwpct = atoi((char *)as->parms[30].items->data);
1546 if ((rwpct != 0) && (ropct != 0) && (ropct + rwpct == 100)) {
1548 enable_splitcache = 1;
1553 * Pull out all the configuration info for the workstation's AFS cache and
1554 * the cellular community we're willing to let our users see.
1556 cdir = afsconf_Open(confDir);
1558 printf("afsd: some file missing or bad in %s\n", confDir);
1563 afsconf_GetLocalCell(cdir, LclCellName, sizeof(LclCellName));
1565 printf("%s: Can't get my home cell name! [Error is %d]\n", rn,
1569 printf("%s: My home cell is '%s'\n", rn, LclCellName);
1572 /* parse cacheinfo file if this is a diskcache */
1573 if (ParseCacheInfoFile()) {
1577 if ((logfd = fopen(fullpn_AFSLogFile, "r+")) == 0) {
1579 printf("%s: Creating '%s'\n", rn, fullpn_AFSLogFile);
1580 if (CreateCacheFile(fullpn_AFSLogFile, NULL)) {
1582 ("%s: Can't create '%s' (You may want to use the -logfile option)\n",
1583 rn, fullpn_AFSLogFile);
1589 /* do some random computations in memcache case to get things to work
1590 * reasonably no matter which parameters you set.
1592 if (cacheFlags & AFSCALL_INIT_MEMCACHE) {
1593 /* memory cache: size described either as blocks or dcache entries, but
1597 fprintf(stderr, "%s: -files ignored with -memcache\n", rn);
1599 if (sawDCacheSize) {
1600 if (chunkSize == 0) {
1601 chunkSize = 13; /* 8k default chunksize for memcache */
1603 if (sawCacheBlocks) {
1605 ("%s: can't set cache blocks and dcache size simultaneously when diskless.\n",
1609 /* compute the cache size based on # of chunks times the chunk size */
1610 i = (1 << chunkSize); /* bytes per chunk */
1611 cacheBlocks = i * dCacheSize;
1612 sawCacheBlocks = 1; /* so that ParseCacheInfoFile doesn't overwrite */
1614 if (chunkSize == 0) {
1615 /* Try to autotune the memcache chunksize based on size
1616 * of memcache. This is done on the assumption that approx
1617 * 1024 chunks is suitable, it's a balance between enough
1618 * chunks to be useful and ramping up nicely when using larger
1619 * memcache to improve bulk read/write performance
1622 i <= 21 && (1 << i) / 1024 < (cacheBlocks / 1024); i++);
1625 /* compute the dcache size from overall cache size and chunk size */
1626 if (chunkSize > 10) {
1627 dCacheSize = (cacheBlocks >> (chunkSize - 10));
1628 } else if (chunkSize < 10) {
1629 dCacheSize = (cacheBlocks << (10 - chunkSize));
1631 dCacheSize = cacheBlocks;
1633 /* don't have to set sawDCacheSize here since it isn't overwritten
1634 * by ParseCacheInfoFile.
1638 printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
1640 /* kernel computes # of dcache entries as min of cacheFiles and
1641 * dCacheSize, so we now make them equal.
1643 cacheFiles = dCacheSize;
1646 * Compute the number of cache files based on cache size,
1647 * but only if -files isn't given on the command line.
1648 * Don't let # files be so small as to prevent full utilization
1649 * of the cache unless user has explicitly asked for it.
1651 if (chunkSize == 0) {
1652 /* Set chunksize to 256kB - 1MB depending on cache size */
1653 if (cacheBlocks < 500000) {
1655 } else if (cacheBlocks < 1000000) {
1662 cacheFiles = cacheBlocks / 32; /* Assume 32k avg filesize */
1664 cacheFiles = max(cacheFiles, 1000);
1666 /* Always allow more files than chunks. Presume average V-file
1667 * is ~67% of a chunk... (another guess, perhaps Honeyman will
1668 * have a grad student write a paper). i is KILOBYTES.
1670 i = 1 << (chunkSize < 10 ? 0 : chunkSize - 10);
1671 cacheFiles = max(cacheFiles, 1.5 * (cacheBlocks / i));
1673 /* never permit more files than blocks, while leaving space for
1674 * VolumeInfo and CacheItems files. VolumeInfo is usually 20K,
1675 * CacheItems is 50 Bytes / file (== 1K/20)
1677 #define CACHEITMSZ (cacheFiles / 20)
1678 #define VOLINFOSZ 50 /* 40kB has been seen, be conservative */
1679 #define CELLINFOSZ 4 /* Assuming disk block size is 4k ... */
1680 #define INFOSZ (VOLINFOSZ+CELLINFOSZ+CACHEITMSZ)
1682 /* Sanity check: If the obtained number of disk cache files
1683 * is larger than the number of available (4k) disk blocks, we're
1684 * doing something wrong. Fail hard so we can fix the bug instead
1685 * of silently hiding it like before */
1687 if (cacheFiles > (cacheBlocks - INFOSZ) / 4) {
1689 "%s: ASSERT: cacheFiles %d diskblocks %d\n",
1690 rn, cacheFiles, (cacheBlocks - INFOSZ) / 4);
1693 if (cacheFiles < 100)
1694 fprintf(stderr, "%s: WARNING: cache probably too small!\n",
1698 printf("%s: cacheFiles autotuned to %d\n", rn, cacheFiles);
1700 /* Sanity check chunkSize */
1701 i = max(cacheBlocks / 1000, cacheBlocks / cacheFiles);
1702 chunkSize = min(chunkSize, i);
1703 chunkSize = max(chunkSize, 2);
1705 printf("%s: chunkSize autotuned to %d\n", rn, chunkSize);
1707 if (!sawDCacheSize) {
1708 dCacheSize = cacheFiles / 2;
1709 if (dCacheSize > 10000) {
1712 if (dCacheSize < 2000) {
1716 printf("%s: dCacheSize autotuned to %d\n", rn, dCacheSize);
1719 if (!sawCacheStatEntries) {
1720 if (chunkSize <= 13) {
1721 cacheStatEntries = dCacheSize / 4;
1722 } else if (chunkSize >= 16) {
1723 cacheStatEntries = dCacheSize * 1.5;
1725 cacheStatEntries = dCacheSize;
1728 printf("%s: cacheStatEntries autotuned to %d\n", rn,
1733 * Create and zero the inode table for the desired cache files.
1735 inode_for_V = (AFSD_INO_T *) malloc(cacheFiles * sizeof(AFSD_INO_T));
1736 if (inode_for_V == (AFSD_INO_T *) 0) {
1738 ("%s: malloc() failed for cache file inode table with %d entries.\n",
1742 memset(inode_for_V, '\0', (cacheFiles * sizeof(AFSD_INO_T)));
1744 printf("%s: %d inode_for_V entries at 0x%x, %d bytes\n", rn,
1745 cacheFiles, inode_for_V, (cacheFiles * sizeof(AFSD_INO_T)));
1748 * Set up all the pathnames we'll need for later.
1750 sprintf(fullpn_DCacheFile, "%s/%s", cacheBaseDir, DCACHEFILE);
1751 sprintf(fullpn_VolInfoFile, "%s/%s", cacheBaseDir, VOLINFOFILE);
1752 sprintf(fullpn_CellInfoFile, "%s/%s", cacheBaseDir, CELLINFOFILE);
1753 sprintf(fullpn_VFile, "%s/", cacheBaseDir);
1754 vFilePtr = fullpn_VFile + strlen(fullpn_VFile);
1756 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)
1757 && (fsTypeMsg = CheckCacheBaseDir(cacheBaseDir))) {
1758 printf("%s: WARNING: Cache dir check failed (%s)\n", rn, fsTypeMsg);
1761 fputs(AFS_GOVERNMENT_MESSAGE, stdout);
1766 * Set up all the kernel processes needed for AFS.
1769 setpgrp(getpid(), 0);
1772 /* Initialize RX daemons and services */
1774 /* initialize the rx random number generator from user space */
1776 /* parse multihomed address files */
1777 afs_int32 addrbuf[MAXIPADDRS], maskbuf[MAXIPADDRS],
1781 parseNetFiles(addrbuf, maskbuf, mtubuf, MAXIPADDRS, reason,
1782 AFSDIR_CLIENT_NETINFO_FILEPATH,
1783 AFSDIR_CLIENT_NETRESTRICT_FILEPATH);
1786 code = code | 0x80000000;
1787 call_syscall(AFSOP_ADVISEADDR, code, addrbuf, maskbuf, mtubuf);
1789 printf("ADVISEADDR: Error in specifying interface addresses:%s\n",
1793 /* Set realtime priority for most threads to same as for biod's. */
1796 #ifdef AFS_SGI53_ENV
1797 #ifdef AFS_SGI61_ENV
1799 #else /* AFS_SGI61_ENV */
1800 code = get_nfsstaticaddr();
1802 call_syscall(AFSOP_NFSSTATICADDR, code);
1803 #endif /* AFS_SGI61_ENV */
1804 #endif /* AFS_SGI_53_ENV */
1806 /* Start listener, then callback listener. Lastly, start rx event daemon.
1807 * Change in ordering is so that Linux port has socket fd in listener
1809 * preallocs are passed for both listener and callback server. Only
1810 * the one which actually does the initialization uses them though.
1812 if (preallocs < cacheStatEntries + 50)
1813 preallocs = cacheStatEntries + 50;
1814 #ifdef RXK_LISTENER_ENV
1816 printf("%s: Forking rx listener daemon.\n", rn);
1820 SET_RX_RTPRI(); /* max advised for non-interrupts */
1821 call_syscall(AFSOP_RXLISTENER_DAEMON, preallocs, enable_peer_stats,
1822 enable_process_stats);
1825 #ifdef AFS_SUN510_ENV
1826 waitpid((pid_t) -1, NULL, 0);
1830 printf("%s: Forking rx callback listener.\n", rn);
1834 call_syscall(AFSOP_START_RXCALLBACK, preallocs);
1837 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
1839 printf("%s: Forking rxevent daemon.\n", rn);
1843 SET_RX_RTPRI(); /* max advised for non-interrupts */
1844 call_syscall(AFSOP_RXEVENT_DAEMON);
1849 #ifdef AFS_AFSDB_ENV
1852 printf("%s: Forking AFSDB lookup handler.\n", rn);
1855 /* Since the AFSDB lookup handler runs as a user process,
1856 * need to drop the controlling TTY, etc.
1858 if (daemon(0, 0) == -1) {
1859 printf("Error starting AFSDB lookup handler: %s\n",
1863 AfsdbLookupHandler();
1869 code = call_syscall(AFSOP_BASIC_INIT, 1);
1871 printf("%s: Error %d in basic initialization.\n", rn, code);
1876 * Tell the kernel some basic information about the workstation's cache.
1880 ("%s: Calling AFSOP_CACHEINIT: %d stat cache entries, %d optimum cache files, %d blocks in the cache, flags = 0x%x, dcache entries %d\n",
1881 rn, cacheStatEntries, cacheFiles, cacheBlocks, cacheFlags,
1883 memset(&cparams, '\0', sizeof(cparams));
1884 cparams.cacheScaches = cacheStatEntries;
1885 cparams.cacheFiles = cacheFiles;
1886 cparams.cacheBlocks = cacheBlocks;
1887 cparams.cacheDcaches = dCacheSize;
1888 cparams.cacheVolumes = vCacheSize;
1889 cparams.chunkSize = chunkSize;
1890 cparams.setTimeFlag = cacheSetTime;
1891 cparams.memCacheFlag = cacheFlags;
1893 cparams.inodes = inodes;
1895 call_syscall(AFSOP_CACHEINIT, &cparams);
1897 /* do it before we init the cache inodes */
1898 if (enable_splitcache) {
1899 call_syscall(AFSOP_BUCKETPCT, 1, rwpct);
1900 call_syscall(AFSOP_BUCKETPCT, 2, ropct);
1903 if (afsd_CloseSynch)
1904 call_syscall(AFSOP_CLOSEWAIT);
1907 * Sweep the workstation AFS cache directory, remembering the inodes of
1908 * valid files and deleting extraneous files. Keep sweeping until we
1909 * have the right number of data cache files or we've swept too many
1912 * This also creates files in the cache directory like VolumeItems and
1913 * CellItems, and thus must be ran before those are sent to the kernel.
1916 printf("%s: Sweeping workstation's AFS cache directory.\n", rn);
1918 /* Memory-cache based system doesn't need any of this */
1919 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) {
1922 if (SweepAFSCache(&vFilesFound)) {
1923 printf("%s: Error on sweep %d of workstation AFS cache \
1924 directory.\n", rn, cacheIteration);
1929 ("%s: %d out of %d data cache files found in sweep %d.\n",
1930 rn, vFilesFound, cacheFiles, cacheIteration);
1931 } while ((vFilesFound < cacheFiles)
1932 && (cacheIteration < MAX_CACHE_LOOPS));
1933 } else if (afsd_verbose)
1934 printf("%s: Using memory cache, not swept\n", rn);
1937 * Pass the kernel the name of the workstation cache file holding the
1941 printf("%s: Calling AFSOP_CACHEINFO: dcache file is '%s'\n", rn,
1943 /* once again, meaningless for a memory-based cache. */
1944 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
1945 call_syscall(AFSOP_CACHEINFO, fullpn_DCacheFile);
1948 * Pass the kernel the name of the workstation cache file holding the
1952 printf("%s: Calling AFSOP_CELLINFO: cell info file is '%s'\n", rn,
1953 fullpn_CellInfoFile);
1954 call_syscall(AFSOP_CELLINFO, fullpn_CellInfoFile);
1956 if (enable_dynroot) {
1958 printf("%s: Enabling dynroot support in kernel.\n", rn);
1959 code = call_syscall(AFSOP_SET_DYNROOT, 1);
1961 printf("%s: Error enabling dynroot support.\n", rn);
1964 if (enable_fakestat) {
1966 printf("%s: Enabling fakestat support in kernel.\n", rn);
1967 code = call_syscall(AFSOP_SET_FAKESTAT, enable_fakestat);
1969 printf("%s: Error enabling fakestat support.\n", rn);
1972 if (enable_backuptree) {
1974 printf("%s: Enabling backup tree support in kernel.\n", rn);
1975 code = call_syscall(AFSOP_SET_BACKUPTREE, enable_backuptree);
1977 printf("%s: Error enabling backup tree support.\n", rn);
1981 * Tell the kernel about each cell in the configuration.
1983 afsconf_CellApply(cdir, ConfigCell, NULL);
1984 afsconf_CellAliasApply(cdir, ConfigCellAlias, NULL);
1987 * Set the primary cell name.
1989 call_syscall(AFSOP_SET_THISCELL, LclCellName);
1991 /* Initialize AFS daemon threads. */
1993 printf("%s: Forking AFS daemon.\n", rn);
1997 call_syscall(AFSOP_START_AFS);
2002 printf("%s: Forking Check Server Daemon.\n", rn);
2006 code = call_syscall(AFSOP_START_CS);
2008 printf("%s: No check server daemon in client.\n", rn);
2013 printf("%s: Forking %d background daemons.\n", rn, nDaemons);
2014 #if defined(AFS_SGI_ENV) && defined(AFS_SGI_SHORTSTACK)
2015 /* Add one because for sgi we always "steal" the first daemon for a
2016 * different task if we only have a 4K stack.
2020 for (i = 0; i < nDaemons; i++) {
2024 #ifdef AFS_AIX32_ENV
2025 call_syscall(AFSOP_START_BKG, 0);
2027 call_syscall(AFSOP_START_BKG);
2032 #ifdef AFS_AIX32_ENV
2034 nBiods = nDaemons * 2;
2037 for (i = 0; i < nBiods; i++) {
2039 if (code == 0) { /* Child */
2040 call_syscall(AFSOP_START_BKG, nBiods);
2047 * If the root volume has been explicitly set, tell the kernel.
2051 printf("%s: Calling AFSOP_ROOTVOLUME with '%s'\n", rn,
2053 call_syscall(AFSOP_ROOTVOLUME, rootVolume);
2057 * Pass the kernel the name of the workstation cache file holding the
2058 * volume information.
2061 printf("%s: Calling AFSOP_VOLUMEINFO: volume info file is '%s'\n", rn,
2062 fullpn_VolInfoFile);
2063 /* once again, meaningless for a memory-based cache. */
2064 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE))
2065 call_syscall(AFSOP_VOLUMEINFO, fullpn_VolInfoFile);
2068 * Pass the kernel the name of the afs logging file holding the volume
2072 printf("%s: Calling AFSOP_AFSLOG: volume info file is '%s'\n", rn,
2074 #if defined(AFS_SGI_ENV)
2075 /* permit explicit -logfile argument to enable logging on memcache systems */
2076 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE) || as->parms[18].items)
2078 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... nor this ... */
2080 call_syscall(AFSOP_AFSLOG, fullpn_AFSLogFile);
2083 * Give the kernel the names of the AFS files cached on the workstation's
2088 ("%s: Calling AFSOP_CACHEINODE for each of the %d files in '%s'\n",
2089 rn, cacheFiles, cacheBaseDir);
2090 if (!(cacheFlags & AFSCALL_INIT_MEMCACHE)) /* ... and again ... */
2091 for (currVFile = 0; currVFile < cacheFiles; currVFile++) {
2092 #ifdef AFS_SGI62_ENV
2093 call_syscall(AFSOP_CACHEINODE,
2094 (afs_uint32) (inode_for_V[currVFile] >> 32),
2095 (afs_uint32) (inode_for_V[currVFile] & 0xffffffff));
2097 call_syscall(AFSOP_CACHEINODE, inode_for_V[currVFile]);
2104 * All the necessary info has been passed into the kernel to run an AFS
2105 * system. Give the kernel our go-ahead.
2108 printf("%s: Calling AFSOP_GO with cacheSetTime = %d\n", rn,
2110 call_syscall(AFSOP_GO, cacheSetTime);
2113 * At this point, we have finished passing the kernel all the info
2114 * it needs to set up the AFS. Mount the AFS root.
2116 printf("%s: All AFS daemons started.\n", rn);
2119 printf("%s: Forking trunc-cache daemon.\n", rn);
2123 call_syscall(AFSOP_START_TRUNCDAEMON);
2127 if (!enable_nomount) {
2129 mountFlags = 0; /* Read/write file system, can do setuid() */
2130 #if defined(AFS_SUN_ENV) || defined(AFS_SUN5_ENV)
2132 mountFlags |= MS_DATA;
2134 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... */
2138 #if defined(AFS_HPUX100_ENV)
2139 mountFlags |= MS_DATA;
2143 printf("%s: Mounting the AFS root on '%s', flags: %d.\n", rn,
2144 cacheMountDir, mountFlags);
2145 #if defined(AFS_FBSD60_ENV)
2146 /* data must be non-NULL but is otherwise ignored */
2147 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, rn)) < 0) {
2148 #elif defined(AFS_FBSD_ENV)
2149 if ((mount("AFS", cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
2150 #elif defined(AFS_AIX_ENV)
2152 #elif defined(AFS_HPUX100_ENV)
2153 if ((mount("", cacheMountDir, mountFlags, "afs", NULL, 0)) < 0) {
2154 #elif defined(AFS_SUN5_ENV)
2155 if ((mount("AFS", cacheMountDir, mountFlags, "afs", NULL, 0)) < 0) {
2156 #elif defined(AFS_SGI_ENV)
2157 mountFlags = MS_FSS;
2158 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) MOUNT_AFS))
2160 #elif defined(AFS_LINUX20_ENV)
2161 if ((mount("AFS", cacheMountDir, MOUNT_AFS, 0, NULL)) < 0) {
2163 /* This is the standard mount used by the suns and rts */
2164 if ((mount(MOUNT_AFS, cacheMountDir, mountFlags, (caddr_t) 0)) < 0) {
2166 printf("%s: Can't mount AFS on %s(%d)\n", rn, cacheMountDir,
2177 printf("%s: Forking 'rmtsys' daemon.\n", rn);
2186 * Exit successfully.
2191 #include "AFS_component_version_number.c"
2195 main(int argc, char **argv)
2197 struct cmd_syndesc *ts;
2199 ts = cmd_CreateSyntax(NULL, mainproc, NULL, "start AFS");
2200 cmd_AddParm(ts, "-blocks", CMD_SINGLE, CMD_OPTIONAL,
2201 "1024 byte blocks in cache");
2202 cmd_AddParm(ts, "-files", CMD_SINGLE, CMD_OPTIONAL, "files in cache");
2203 cmd_AddParm(ts, "-rootvol", CMD_SINGLE, CMD_OPTIONAL,
2204 "name of AFS root volume");
2205 cmd_AddParm(ts, "-stat", CMD_SINGLE, CMD_OPTIONAL,
2206 "number of stat entries");
2207 cmd_AddParm(ts, "-memcache", CMD_FLAG, CMD_OPTIONAL, "run diskless");
2208 cmd_AddParm(ts, "-cachedir", CMD_SINGLE, CMD_OPTIONAL, "cache directory");
2209 cmd_AddParm(ts, "-mountdir", CMD_SINGLE, CMD_OPTIONAL, "mount location");
2210 cmd_AddParm(ts, "-daemons", CMD_SINGLE, CMD_OPTIONAL,
2211 "number of daemons to use");
2212 cmd_AddParm(ts, "-nosettime", CMD_FLAG, CMD_OPTIONAL,
2213 "don't set the time");
2214 cmd_AddParm(ts, "-verbose", CMD_FLAG, CMD_OPTIONAL,
2215 "display lots of information");
2216 cmd_AddParm(ts, "-rmtsys", CMD_FLAG, CMD_OPTIONAL,
2217 "start NFS rmtsysd program");
2218 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL, "display debug info");
2219 cmd_AddParm(ts, "-chunksize", CMD_SINGLE, CMD_OPTIONAL,
2220 "log(2) of chunk size");
2221 cmd_AddParm(ts, "-dcache", CMD_SINGLE, CMD_OPTIONAL,
2222 "number of dcache entries");
2223 cmd_AddParm(ts, "-volumes", CMD_SINGLE, CMD_OPTIONAL,
2224 "number of volume entries");
2225 cmd_AddParm(ts, "-biods", CMD_SINGLE, CMD_OPTIONAL,
2226 "number of bkg I/O daemons (aix vm)");
2228 cmd_AddParm(ts, "-prealloc", CMD_SINGLE, CMD_OPTIONAL,
2229 "number of 'small' preallocated blocks");
2231 cmd_AddParm(ts, "-pininodes", CMD_SINGLE, CMD_OPTIONAL,
2232 "number of inodes to hog");
2234 cmd_AddParm(ts, "-confdir", CMD_SINGLE, CMD_OPTIONAL,
2235 "configuration directory");
2236 cmd_AddParm(ts, "-logfile", CMD_SINGLE, CMD_OPTIONAL,
2237 "Place to keep the CM log");
2238 cmd_AddParm(ts, "-waitclose", CMD_FLAG, CMD_OPTIONAL,
2239 "make close calls synchronous");
2240 cmd_AddParm(ts, "-shutdown", CMD_FLAG, CMD_OPTIONAL,
2241 "Shutdown all afs state");
2242 cmd_AddParm(ts, "-enable_peer_stats", CMD_FLAG, CMD_OPTIONAL | CMD_HIDE,
2243 "Collect rpc statistics by peer");
2244 cmd_AddParm(ts, "-enable_process_stats", CMD_FLAG,
2245 CMD_OPTIONAL | CMD_HIDE,
2246 "Collect rpc statistics for this process");
2247 cmd_AddParm(ts, "-mem_alloc_sleep", CMD_FLAG, (CMD_OPTIONAL | CMD_HIDE),
2248 "Allow sleeps when allocating memory cache");
2249 cmd_AddParm(ts, "-afsdb", CMD_FLAG, (CMD_OPTIONAL
2250 #ifndef AFS_AFSDB_ENV
2253 ), "Enable AFSDB support");
2254 cmd_AddParm(ts, "-files_per_subdir", CMD_SINGLE, CMD_OPTIONAL,
2255 "log(2) of the number of cache files per cache subdirectory");
2256 cmd_AddParm(ts, "-dynroot", CMD_FLAG, CMD_OPTIONAL,
2257 "Enable dynroot support");
2258 cmd_AddParm(ts, "-fakestat", CMD_FLAG, CMD_OPTIONAL,
2259 "Enable fakestat support for cross-cell mounts");
2260 cmd_AddParm(ts, "-fakestat-all", CMD_FLAG, CMD_OPTIONAL,
2261 "Enable fakestat support for all mounts");
2262 cmd_AddParm(ts, "-nomount", CMD_FLAG, CMD_OPTIONAL, "Do not mount AFS");
2263 cmd_AddParm(ts, "-backuptree", CMD_FLAG, CMD_OPTIONAL,
2264 "Prefer backup volumes for mointpoints in backup volumes");
2265 cmd_AddParm(ts, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
2266 "Bind the Rx socket (one interface only)");
2267 cmd_AddParm(ts, "-settime", CMD_FLAG, CMD_OPTIONAL, "set the time");
2268 cmd_AddParm(ts, "-rxpck", CMD_SINGLE, CMD_OPTIONAL,
2269 "set rx_extraPackets to this value");
2270 cmd_AddParm(ts, "-splitcache", CMD_SINGLE, CMD_OPTIONAL,
2271 "Percentage RW versus RO in cache (specify as 60/40)");
2273 return (cmd_Dispatch(argc, argv));
2278 #define MOUNTED_TABLE MNT_MNTTAB
2281 #define MOUNTED_TABLE MNTTAB
2283 #define MOUNTED_TABLE MOUNTED
2290 #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)
2294 struct mnttab tmntent;
2296 memset(&tmntent, '\0', sizeof(struct mnttab));
2297 if (!(tfilep = fopen(MOUNTED_TABLE, "a+"))) {
2298 printf("Can't open %s\n", MOUNTED_TABLE);
2302 tmntent.mnt_special = "AFS";
2303 tmntent.mnt_mountp = cacheMountDir;
2304 tmntent.mnt_fstype = "xx";
2305 tmntent.mnt_mntopts = "rw";
2306 sprintf(tbuf, "%ld", (long)time((time_t *) 0));
2307 tmntent.mnt_time = tbuf;
2308 putmntent(tfilep, &tmntent);
2311 #if defined(AFS_SGI_ENV) || defined(AFS_LINUX20_ENV)
2312 struct mntent tmntent;
2314 tfilep = setmntent("/etc/mtab", "a+");
2315 tmntent.mnt_fsname = "AFS";
2316 tmntent.mnt_dir = cacheMountDir;
2317 tmntent.mnt_type = "afs";
2318 tmntent.mnt_opts = "rw";
2319 tmntent.mnt_freq = 1;
2320 tmntent.mnt_passno = 3;
2321 addmntent(tfilep, &tmntent);
2324 struct mntent tmntent;
2326 memset(&tmntent, '\0', sizeof(struct mntent));
2327 tfilep = setmntent(MOUNTED_TABLE, "a+");
2329 printf("Can't open %s for write; Not adding afs entry to it\n",
2333 tmntent.mnt_fsname = "AFS";
2334 tmntent.mnt_dir = cacheMountDir;
2335 tmntent.mnt_type = "xx";
2336 tmntent.mnt_opts = "rw";
2337 tmntent.mnt_freq = 1;
2338 tmntent.mnt_passno = 3;
2340 tmntent.mnt_type = "afs";
2341 tmntent.mnt_time = time(0);
2342 tmntent.mnt_cnode = 0;
2344 addmntent(tfilep, &tmntent);
2346 #endif /* AFS_SGI_ENV */
2347 #endif /* AFS_SUN5_ENV */
2348 #endif /* unreasonable systems */
2349 #ifdef AFS_DARWIN_ENV
2350 mach_port_t diskarb_port;
2351 kern_return_t status;
2353 status = DiskArbStart(&diskarb_port);
2354 if (status == KERN_SUCCESS) {
2356 DiskArbDiskAppearedWithMountpointPing_auto("AFS",
2357 DISK_ARB_NETWORK_DISK_FLAG,
2362 #endif /* AFS_DARWIN_ENV */
2366 #if !defined(AFS_SGI_ENV) && !defined(AFS_AIX32_ENV)
2368 call_syscall(param1, param2, param3, param4, param5, param6, param7)
2369 long param1, param2, param3, param4, param5, param6, param7;
2372 #ifdef AFS_LINUX20_ENV
2374 struct afsprocdata syscall_data;
2375 int fd = open(PROC_SYSCALL_FNAME, O_RDWR);
2377 fd = open(PROC_SYSCALL_ARLA_FNAME, O_RDWR);
2383 param4 = (long)eparm;
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;
2391 error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
2395 #ifdef AFS_DARWIN80_ENV
2396 struct afssysargs syscall_data;
2397 int fd = open(SYSCALL_DEV_FNAME,O_RDWR);
2398 syscall_data.syscall = AFSCALL_CALL;
2399 syscall_data.param1 = param1;
2400 syscall_data.param2 = param2;
2401 syscall_data.param3 = param3;
2402 syscall_data.param4 = param4;
2403 syscall_data.param5 = param5;
2404 syscall_data.param6 = param6;
2406 error = ioctl(fd, VIOC_SYSCALL, &syscall_data);
2412 error=syscall_data.retval;
2415 syscall(AFS_SYSCALL, AFSCALL_CALL, param1, param2, param3, param4,
2416 param5, param6, param7);
2420 printf("SScall(%d, %d, %d)=%d ", AFS_SYSCALL, AFSCALL_CALL, param1,
2424 #else /* AFS_AIX32_ENV */
2425 #if defined(AFS_SGI_ENV)
2426 call_syscall(call, parm0, parm1, parm2, parm3, parm4)
2431 error = afs_syscall(call, parm0, parm1, parm2, parm3, parm4);
2433 printf("SScall(%d, %d)=%d ", call, parm0, error);
2438 call_syscall(call, parm0, parm1, parm2, parm3, parm4, parm5, parm6)
2441 return syscall(AFSCALL_CALL, call, parm0, parm1, parm2, parm3, parm4,
2444 #endif /* AFS_SGI_ENV */
2445 #endif /* AFS_AIX32_ENV */
2449 /* Special handling for AIX's afs mount operation since they require much more miscl. information before making the vmount(2) syscall */
2450 #include <sys/vfs.h>
2452 #define ROUNDUP(x) (((x) + 3) & ~3)
2456 struct vmount *vmountp;
2459 size = sizeof(struct vmount) + ROUNDUP(strlen(cacheMountDir) + 1) + 5 * 4;
2460 /* Malloc the vmount structure */
2461 if ((vmountp = (struct vmount *)malloc(size)) == (struct vmount *)NULL) {
2462 printf("Can't allocate space for the vmount structure (AIX)\n");
2466 /* zero out the vmount structure */
2467 memset(vmountp, '\0', size);
2469 /* transfer info into the vmount structure */
2470 vmountp->vmt_revision = VMT_REVISION;
2471 vmountp->vmt_length = size;
2472 vmountp->vmt_fsid.fsid_dev = 0;
2473 vmountp->vmt_fsid.fsid_type = AFS_MOUNT_AFS;
2474 vmountp->vmt_vfsnumber = 0;
2475 vmountp->vmt_time = 0; /* We'll put the time soon! */
2476 vmountp->vmt_flags = VFS_DEVMOUNT; /* read/write permission */
2477 vmountp->vmt_gfstype = AFS_MOUNT_AFS;
2478 vmountdata(vmountp, "AFS", cacheMountDir, "", "", "", "rw");
2480 /* Do the actual mount system call */
2481 error = vmount(vmountp, size);
2486 vmountdata(struct vmount * vmtp, char *obj, char *stub, char *host,
2487 char *hostsname, char *info, char *args)
2495 vdp = (struct data *)vmtp->vmt_data;
2496 vdp->vmt_off = sizeof(struct vmount);
2497 size = ROUNDUP(strlen(obj) + 1);
2498 vdp->vmt_size = size;
2499 strcpy(vmt2dataptr(vmtp, VMT_OBJECT), obj);
2503 vdp->vmt_off = vdprev->vmt_off + size;
2504 size = ROUNDUP(strlen(stub) + 1);
2505 vdp->vmt_size = size;
2506 strcpy(vmt2dataptr(vmtp, VMT_STUB), stub);
2510 vdp->vmt_off = vdprev->vmt_off + size;
2511 size = ROUNDUP(strlen(host) + 1);
2512 vdp->vmt_size = size;
2513 strcpy(vmt2dataptr(vmtp, VMT_HOST), host);
2517 vdp->vmt_off = vdprev->vmt_off + size;
2518 size = ROUNDUP(strlen(hostsname) + 1);
2519 vdp->vmt_size = size;
2520 strcpy(vmt2dataptr(vmtp, VMT_HOSTNAME), hostsname);
2525 vdp->vmt_off = vdprev->vmt_off + size;
2526 size = ROUNDUP(strlen(info) + 1);
2527 vdp->vmt_size = size;
2528 strcpy(vmt2dataptr(vmtp, VMT_INFO), info);
2532 vdp->vmt_off = vdprev->vmt_off + size;
2533 size = ROUNDUP(strlen(args) + 1);
2534 vdp->vmt_size = size;
2535 strcpy(vmt2dataptr(vmtp, VMT_ARGS), args);
2537 #endif /* AFS_AIX_ENV */
2539 #ifdef AFS_SGI53_ENV
2540 #ifdef AFS_SGI61_ENV
2541 /* The dwarf structures are searched to find entry points of static functions
2542 * and the addresses of static variables. The file name as well as the
2543 * sybmol name is reaquired.
2546 /* Contains list of names to find in given file. */
2548 char *name; /* Name of variable or function. */
2549 afs_hyper_t addr; /* Address of function, undefined if not found. */
2550 Dwarf_Half type; /* DW_AT_location for vars, DW_AT_lowpc for func's */
2551 char found; /* set if found. */
2555 char *file; /* Name of file containing vars or funcs */
2556 staticAddrList *addrList; /* List of vars and/or funcs. */
2557 int nAddrs; /* # of addrList's */
2558 int found; /* set if we've found this file already. */
2561 /* routines used to find addresses in /unix */
2562 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2563 void findMDebugStaticAddresses(staticNameList *, int, int);
2565 void findDwarfStaticAddresses(staticNameList *, int);
2566 void findElfAddresses(Dwarf_Debug, Dwarf_Die, staticNameList *);
2567 void getElfAddress(Dwarf_Debug, Dwarf_Die, staticAddrList *);
2569 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2570 #define AFS_N_FILELISTS 2
2571 #define AFS_SYMS_NEEDED 3
2572 #else /* AFS_SGI62_ENV */
2573 #define AFS_N_FILELISTS 1
2574 #endif /* AFS_SGI62_ENV */
2579 set_staticaddrs(void)
2581 staticNameList fileList[AFS_N_FILELISTS];
2583 fileList[0].addrList =
2584 (staticAddrList *) calloc(1, sizeof(staticAddrList));
2585 if (!fileList[0].addrList) {
2586 printf("set_staticaddrs: Can't calloc fileList[0].addrList\n");
2589 fileList[0].file = "nfs_server.c";
2590 fileList[0].found = 0;
2591 fileList[0].nAddrs = 1;
2592 fileList[0].addrList[0].name = "rfsdisptab_v2";
2593 fileList[0].addrList[0].type = DW_AT_location;
2594 fileList[0].addrList[0].found = 0;
2596 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2597 fileList[1].addrList =
2598 (staticAddrList *) calloc(2, sizeof(staticAddrList));
2599 if (!fileList[1].addrList) {
2600 printf("set_staticaddrs: Can't malloc fileList[1].addrList\n");
2603 fileList[1].file = "uipc_socket.c";
2604 fileList[1].found = 0;
2605 fileList[1].nAddrs = 2;
2606 fileList[1].addrList[0].name = "sblock";
2607 fileList[1].addrList[0].type = DW_AT_low_pc;
2608 fileList[1].addrList[0].found = 0;
2609 fileList[1].addrList[1].name = "sbunlock";
2610 fileList[1].addrList[1].type = DW_AT_low_pc;
2611 fileList[1].addrList[1].found = 0;
2613 if (64 != sysconf(_SC_KERN_POINTERS))
2614 findMDebugStaticAddresses(fileList, AFS_N_FILELISTS, AFS_SYMS_NEEDED);
2616 #endif /* AFS_SGI62_ENV */
2617 findDwarfStaticAddresses(fileList, AFS_N_FILELISTS);
2619 if (fileList[0].addrList[0].found) {
2620 call_syscall(AFSOP_NFSSTATICADDR2, fileList[0].addrList[0].addr.high,
2621 fileList[0].addrList[0].addr.low);
2624 printf("NFS V2 is not present in the kernel.\n");
2626 free(fileList[0].addrList);
2627 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2628 if (fileList[1].addrList[0].found && fileList[1].addrList[1].found) {
2629 call_syscall(AFSOP_SBLOCKSTATICADDR2,
2630 fileList[1].addrList[0].addr.high,
2631 fileList[1].addrList[0].addr.low,
2632 fileList[1].addrList[1].addr.high,
2633 fileList[1].addrList[1].addr.low);
2635 if (!fileList[1].addrList[0].found)
2636 printf("Can't find %s in kernel. Exiting.\n",
2637 fileList[1].addrList[0].name);
2638 if (!fileList[1].addrList[0].found)
2639 printf("Can't find %s in kernel. Exiting.\n",
2640 fileList[1].addrList[1].name);
2643 free(fileList[1].addrList);
2644 #endif /* AFS_SGI62_ENV */
2648 /* Find addresses for static variables and functions. */
2650 findDwarfStaticAddresses(staticNameList * nameList, int nLists)
2657 char *hname = (char *)0;
2658 Dwarf_Unsigned dwarf_access = O_RDONLY;
2659 Dwarf_Debug dwarf_debug;
2660 Dwarf_Error dwarf_error;
2661 Dwarf_Unsigned dwarf_cu_header_length;
2662 Dwarf_Unsigned dwarf_abbrev_offset;
2663 Dwarf_Half dwarf_address_size;
2664 Dwarf_Unsigned next_cu_header;
2665 Dwarf_Die dwarf_die;
2666 Dwarf_Die dwarf_next_die;
2667 Dwarf_Die dwarf_child_die;
2669 if (elf_version(EV_CURRENT) == EV_NONE) {
2670 printf("findDwarfStaticAddresses: Bad elf version.\n");
2674 if ((fd = open("/unix", O_RDONLY, 0)) < 0) {
2675 printf("findDwarfStaticAddresses: Failed to open /unix.\n");
2679 dwarf_init(fd, dwarf_access, NULL, NULL, &dwarf_debug, &dwarf_error);
2680 if (code != DW_DLV_OK) {
2681 /* Nope hope for the elves and dwarves, try intermediate code. */
2688 /* Run through the headers until we find ones for files we've
2689 * specified in nameList.
2692 dwarf_next_cu_header(dwarf_debug, &dwarf_cu_header_length, NULL,
2693 &dwarf_abbrev_offset, &dwarf_address_size,
2694 &next_cu_header, &dwarf_error);
2695 if (code == DW_DLV_NO_ENTRY) {
2697 } else if (code == DW_DLV_ERROR) {
2698 printf("findDwarfStaticAddresses: Error reading headers: %s\n",
2699 dwarf_errmsg(dwarf_error));
2703 code = dwarf_siblingof(dwarf_debug, NULL, &dwarf_die, &dwarf_error);
2704 if (code != DW_DLV_OK) {
2705 printf("findDwarfStaticAddresses: Can't get first die. %s\n",
2706 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2710 /* This is the header, test the name. */
2711 code = dwarf_diename(dwarf_die, &hname, &dwarf_error);
2712 if (code == DW_DLV_OK) {
2713 s = strrchr(hname, '/');
2714 for (i = 0; i < nLists; i++) {
2715 if (s && !strcmp(s + 1, nameList[i].file)) {
2716 findElfAddresses(dwarf_debug, dwarf_die, &nameList[i]);
2723 ("findDwarfStaticAddresses: Can't get name of current header. %s\n",
2724 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2727 dwarf_dealloc(dwarf_debug, hname, DW_DLA_STRING);
2729 if (found >= nLists) { /* we're done */
2734 /* Frees up all allocated space. */
2735 (void)dwarf_finish(dwarf_debug, &dwarf_error);
2740 findElfAddresses(Dwarf_Debug dwarf_debug, Dwarf_Die dwarf_die,
2741 staticNameList * nameList)
2744 Dwarf_Error dwarf_error;
2745 Dwarf_Die dwarf_next_die;
2746 Dwarf_Die dwarf_child_die;
2747 Dwarf_Attribute dwarf_return_attr;
2748 char *vname = (char *)0;
2752 /* Drop into this die to find names in addrList. */
2753 code = dwarf_child(dwarf_die, &dwarf_child_die, &dwarf_error);
2754 if (code != DW_DLV_OK) {
2755 printf("findElfAddresses: Can't get child die. %s\n",
2756 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2760 /* Try to find names in each sibling. */
2761 dwarf_next_die = (Dwarf_Die) 0;
2763 code = dwarf_diename(dwarf_child_die, &vname, &dwarf_error);
2764 /* It's possible that some siblings don't have names. */
2765 if (code == DW_DLV_OK) {
2766 for (i = 0; i < nameList->nAddrs; i++) {
2767 if (!nameList->addrList[i].found) {
2768 if (!strcmp(vname, nameList->addrList[i].name)) {
2769 getElfAddress(dwarf_debug, dwarf_child_die,
2770 &(nameList->addrList[i]));
2778 dwarf_dealloc(dwarf_debug, dwarf_next_die, DW_DLA_DIE);
2780 if (found >= nameList->nAddrs) { /* we're done. */
2784 dwarf_next_die = dwarf_child_die;
2786 dwarf_siblingof(dwarf_debug, dwarf_next_die, &dwarf_child_die,
2789 } while (code == DW_DLV_OK);
2792 /* Get address out of current die. */
2794 getElfAddress(Dwarf_Debug dwarf_debug, Dwarf_Die dwarf_child_die,
2795 staticAddrList * addrList)
2798 Dwarf_Error dwarf_error;
2799 Dwarf_Attribute dwarf_return_attr;
2800 Dwarf_Bool dwarf_return_bool;
2801 Dwarf_Locdesc *llbuf = NULL;
2802 Dwarf_Signed listlen;
2803 off64_t addr = (off64_t) 0;
2807 dwarf_hasattr(dwarf_child_die, addrList->type, &dwarf_return_bool,
2809 if ((code != DW_DLV_OK) || (!dwarf_return_bool)) {
2810 printf("getElfAddress: no address given for %s. %s\n", addrList->name,
2811 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2815 dwarf_attr(dwarf_child_die, addrList->type, &dwarf_return_attr,
2817 if (code != DW_DLV_OK) {
2818 printf("getElfAddress: Can't get attribute. %s\n",
2819 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2823 switch (addrList->type) {
2824 case DW_AT_location:
2826 dwarf_loclist(dwarf_return_attr, &llbuf, &listlen, &dwarf_error);
2827 if (code != DW_DLV_OK) {
2828 printf("getElfAddress: Can't get location for %s. %s\n",
2830 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2833 if ((listlen != 1) || (llbuf[0].ld_cents != 1)) {
2834 printf("getElfAddress: %s has more than one address.\n",
2838 addr = llbuf[0].ld_s[0].lr_number;
2843 dwarf_lowpc(dwarf_child_die, (Dwarf_Addr *) & addr, &dwarf_error);
2844 if (code != DW_DLV_OK) {
2845 printf("getElfAddress: Can't get lowpc for %s. %s\n",
2847 (code == DW_DLV_ERROR) ? dwarf_errmsg(dwarf_error) : "");
2853 printf("getElfAddress: Bad case %d in switch.\n", addrList->type);
2857 addrList->addr.high = (addr >> 32) & 0xffffffff;
2858 addrList->addr.low = addr & 0xffffffff;
2859 addrList->found = 1;
2862 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
2863 /* Find symbols in the .mdebug section for 32 bit kernels. */
2866 * On 32bit platforms, we're still using the ucode compilers to build
2867 * the kernel, so we need to get our static text/data from the .mdebug
2868 * section instead of the .dwarf sections.
2870 /* SearchNameList searches our bizarre structs for the given string.
2871 * If found, sets the found bit and the address and returns 1.
2872 * Not found returns 0.
2875 SearchNameList(char *name, afs_uint32 addr, staticNameList * nameList,
2879 for (i = 0; i < nLists; i++) {
2880 for (j = 0; j < nameList[i].nAddrs; j++) {
2881 if (nameList[i].addrList[j].found)
2883 if (!strcmp(name, nameList[i].addrList[j].name)) {
2884 nameList[i].addrList[j].addr.high = 0;
2885 nameList[i].addrList[j].addr.low = addr;
2886 nameList[i].addrList[j].found = 1;
2895 SearchMDebug(Elf_Scn * scnp, Elf32_Shdr * shdrp, staticNameList * nameList,
2896 int nLists, int needed)
2898 long *buf = (long *)(elf_getdata(scnp, NULL)->d_buf);
2899 u_long addr, mdoff = shdrp->sh_offset;
2901 SYMR *symbase, *symp, *symend;
2902 FDR *fdrbase, *fdrp;
2904 char *strbase, *str;
2909 addr = (__psunsigned_t) buf;
2910 hdrp = (HDRR *) addr;
2912 /* setup base addresses */
2913 addr = (u_long) buf + (u_long) (hdrp->cbFdOffset - mdoff);
2914 fdrbase = (FDR *) addr;
2915 addr = (u_long) buf + (u_long) (hdrp->cbSymOffset - mdoff);
2916 symbase = (SYMR *) addr;
2917 addr = (u_long) buf + (u_long) (hdrp->cbSsOffset - mdoff);
2918 strbase = (char *)addr;
2920 #define KEEPER(a,b) ((a == stStaticProc && b == scText) || \
2921 (a == stStatic && (b == scData || b == scBss || \
2922 b == scSBss || b == scSData)))
2924 for (fdrp = fdrbase; fdrp < &fdrbase[hdrp->ifdMax]; fdrp++) {
2925 str = strbase + fdrp->issBase + fdrp->rss;
2927 /* local symbols for each fd */
2928 for (symp = &symbase[fdrp->isymBase];
2929 symp < &symbase[fdrp->isymBase + fdrp->csym]; symp++) {
2930 if (KEEPER(symp->st, symp->sc)) {
2931 if (symp->value == 0)
2934 str = strbase + fdrp->issBase + symp->iss;
2935 /* Look for AFS symbols of interest */
2936 if (SearchNameList(str, symp->value, nameList, nLists)) {
2938 if (nFound >= needed)
2947 * returns section with the name of scn_name, & puts its header in shdr64 or
2948 * shdr32 based on elf's file type
2952 findMDebugSection(Elf * elf, char *scn_name)
2956 Elf_Scn *scn = NULL;
2960 if ((ehdr32 = elf32_getehdr(elf)) == NULL)
2963 if ((scn = elf_nextscn(elf, scn)) == NULL)
2965 if ((shdr32 = elf32_getshdr(scn)) == NULL)
2969 elf_strptr(elf, ehdr32->e_shstrndx, shdr32->sh_name)));
2976 findMDebugStaticAddresses(staticNameList * nameList, int nLists, int needed)
2980 Elf_Scn *mdebug_scn;
2981 Elf32_Shdr *mdebug_shdr;
2984 if ((fd = open("/unix", O_RDONLY)) == -1) {
2985 printf("findMDebugStaticAddresses: Failed to open /unix.\n");
2989 (void)elf_version(EV_CURRENT);
2990 if ((elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
2992 ("findMDebugStaticAddresses: /unix doesn't seem to be an elf file\n");
2996 mdebug_scn = findMDebugSection(elf, ".mdebug");
2998 printf("findMDebugStaticAddresses: Can't find .mdebug section.\n");
3001 mdebug_shdr = elf32_getshdr(mdebug_scn);
3003 printf("findMDebugStaticAddresses: Can't find .mdebug header.\n");
3007 (void)SearchMDebug(mdebug_scn, mdebug_shdr, nameList, nLists, needed);
3013 #endif /* AFS_SGI62_ENV */
3015 #else /* AFS_SGI61_ENV */
3017 struct nlist nlunix[] = {
3024 int i, j, kmem, count;
3026 if ((kmem = open("/dev/kmem", O_RDONLY)) < 0) {
3027 printf("Warning: can't open /dev/kmem\n");
3030 if ((j = nlist("/unix", nlunix)) < 0) {
3031 printf("Warning: can't nlist /unix\n");
3034 i = nlunix[0].n_value;
3035 if (lseek(kmem, i, L_SET /*0 */ ) != i) {
3036 printf("Warning: can't lseek to %x\n", i);
3039 if ((j = read(kmem, &count, sizeof count)) != sizeof count) {
3040 printf("WARNING: kmem read at %x failed\n", i);
3045 #endif /* AFS_SGI61_ENV */
3046 #endif /* AFS_SGI53_ENV */