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
10 #include <afsconfig.h>
11 #include "../afs/param.h"
15 #include "../afs/sysincludes.h" /* Standard vendor system headers */
16 #include "../afs/afsincludes.h" /* Afs-based standard headers */
17 #include "../afs/afs_stats.h"
18 #include "../rx/rx_globals.h"
19 #if !defined(UKERNEL) && !defined(AFS_LINUX20_ENV)
22 #include "../h/hashing.h"
24 #if !defined(AFS_HPUX110_ENV)
25 #include "netinet/in_var.h"
27 #endif /* !defined(UKERNEL) */
28 #ifdef AFS_LINUX22_ENV
29 #include "../h/smp_lock.h"
33 #if defined(AFS_AIX_ENV) || defined(AFS_SGI_ENV) || defined(AFS_SUN_ENV) || defined(AFS_HPUX_ENV)
34 #define AFS_MINBUFFERS 100
36 #define AFS_MINBUFFERS 50
40 afs_int32 hosts[MAXCELLHOSTS];
44 char afs_zeros[AFS_ZEROS];
45 char afs_rootVolumeName[64]="";
46 struct afs_icl_set *afs_iclSetp = (struct afs_icl_set*)0;
47 struct afs_icl_set *afs_iclLongTermSetp = (struct afs_icl_set*)0;
49 #if defined(AFS_GLOBAL_SUNLOCK) && !defined(AFS_HPUX_ENV) && !defined(AFS_AIX41_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_LINUX22_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
51 kmutex_t afs_global_lock;
52 kmutex_t afs_rxglobal_lock;
54 #if defined(AFS_SGI_ENV) && !defined(AFS_SGI64_ENV)
55 long afs_global_owner;
59 #if defined(AFS_OSF_ENV)
60 simple_lock_data_t afs_global_lock;
61 #elif defined(AFS_DARWIN_ENV)
62 struct lock__bsd__ afs_global_lock;
63 #elif defined(AFS_FBSD_ENV)
64 struct simplelock afs_global_lock;
66 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
67 thread_t afs_global_owner;
68 #endif /* AFS_OSF_ENV */
70 #if defined(AFS_AIX41_ENV)
71 simple_lock_data afs_global_lock;
74 afs_int32 afs_initState = 0;
75 afs_int32 afs_termState = 0;
76 afs_int32 afs_setTime = 0;
77 int afs_cold_shutdown = 0;
78 char afs_SynchronousCloses = '\0';
79 static int afs_CB_Running = 0;
80 static int AFS_Running = 0;
81 static int afs_CacheInit_Done = 0;
82 static int afs_Go_Done = 0;
83 extern struct interfaceAddr afs_cb_interface;
84 static int afs_RX_Running = 0;
87 Afscall_icl(long opcode, long p1, long p2, long p3, long p4, long *retval);
89 #if defined(AFS_HPUX_ENV)
90 extern int afs_vfs_mount();
91 #endif /* defined(AFS_HPUX_ENV) */
93 /* This is code which needs to be called once when the first daemon enters
94 * the client. A non-zero return means an error and AFS should not start.
96 static int afs_InitSetup(int preallocs)
98 extern void afs_InitStats();
103 * Set up all the AFS statistics variables. This should be done
104 * exactly once, and it should be done here, the first resource-setting
105 * routine to be called by the CM/RX.
108 #endif /* AFS_NOSTATS */
110 memset(afs_zeros, 0, AFS_ZEROS);
113 rx_extraPackets = AFS_NRXPACKETS; /* smaller # of packets */
114 code = rx_Init(htons(7001));
116 printf("AFS: RX failed to initialize.\n");
119 rx_SetRxDeadTime(AFS_RXDEADTIME);
120 /* resource init creates the services */
121 afs_ResourceInit(preallocs);
126 afs_syscall_call(parm, parm2, parm3, parm4, parm5, parm6)
127 long parm, parm2, parm3, parm4, parm5, parm6;
131 AFS_STATCNT(afs_syscall_call);
133 if (!afs_suser(CRED()) && (parm != AFSOP_GETMTU)
134 && (parm != AFSOP_GETMASK)) {
135 /* only root can run this code */
138 if (!afs_suser() && (parm != AFSOP_GETMTU)
139 && (parm != AFSOP_GETMASK)) {
140 /* only root can run this code */
141 #if !defined(AFS_SGI_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
145 #if defined(AFS_OSF_ENV)
147 #else /* AFS_OSF_ENV */
154 if (parm == AFSOP_START_RXCALLBACK) {
155 if (afs_CB_Running) goto out;
157 #ifndef RXK_LISTENER_ENV
158 code = afs_InitSetup(parm2);
160 #endif /* RXK_LISTENER_ENV */
162 #ifdef RXK_LISTENER_ENV
163 while (afs_RX_Running != 2)
164 afs_osi_Sleep(&afs_RX_Running);
166 afs_initState = AFSOP_START_AFS;
167 afs_osi_Wakeup(&afs_initState);
168 #endif /* RXK_LISTENER_ENV */
170 afs_RXCallBackServer();
174 exit(CLD_EXITED, code);
177 #ifdef RXK_LISTENER_ENV
178 else if (parm == AFSOP_RXLISTENER_DAEMON) {
179 if (afs_RX_Running) goto out;
181 code = afs_InitSetup(parm2);
183 rx_enablePeerRPCStats();
186 rx_enableProcessRPCStats();
189 afs_initState = AFSOP_START_AFS;
190 afs_osi_Wakeup(&afs_initState);
193 afs_osi_Wakeup(&afs_RX_Running);
195 afs_osi_RxkRegister();
201 exit(CLD_EXITED, code);
205 else if (parm == AFSOP_START_AFS) {
209 if (AFS_Running) goto out;
211 while (afs_initState < AFSOP_START_AFS)
212 afs_osi_Sleep(&afs_initState);
214 #if defined(AFS_SUN_ENV) || defined(AFS_SGI_ENV) || defined(AFS_HPUX_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
215 temp = AFS_MINBUFFERS; /* Should fix this soon */
217 temp = ((afs_bufferpages * NBPG)>>11); /* number of 2k buffers we could get from all of the buffer space */
218 temp = temp>>2; /* don't take more than 25% (our magic parameter) */
219 if (temp < AFS_MINBUFFERS) temp = AFS_MINBUFFERS; /* although we really should have this many */
222 afs_initState = AFSOP_START_BKG;
223 afs_osi_Wakeup(&afs_initState);
231 else if (parm == AFSOP_START_CS) {
233 afs_CheckServerDaemon();
239 else if (parm == AFSOP_START_BKG) {
240 while (afs_initState < AFSOP_START_BKG)
241 afs_osi_Sleep(&afs_initState);
242 if (afs_initState < AFSOP_GO) {
243 afs_initState = AFSOP_GO;
244 afs_osi_Wakeup(&afs_initState);
246 /* start the bkg daemon */
250 afs_BioDaemon(parm2);
253 afs_BackgroundDaemon();
259 else if (parm == AFSOP_START_TRUNCDAEMON) {
260 while (afs_initState < AFSOP_GO)
261 afs_osi_Sleep(&afs_initState);
262 /* start the bkg daemon */
264 afs_CacheTruncateDaemon();
270 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
271 else if (parm == AFSOP_RXEVENT_DAEMON) {
272 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
274 afs_rxevent_daemon();
281 else if (parm == AFSOP_ADDCELL) {
282 /* add a cell. Parameter 2 is 8 hosts (in net order), parm 3 is the null-terminated
283 name. Parameter 4 is the length of the name, including the null. Parm 5 is the
284 home cell flag (0x1 bit) and the nosuid flag (0x2 bit) */
285 struct afsop_cell tcell;
287 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
288 AFS_COPYIN((char *)parm2, (char *)tcell.hosts, sizeof(tcell.hosts), code);
290 if (parm4 > sizeof(tcell.cellName))
293 AFS_COPYIN((char *)parm3, tcell.cellName, parm4, code);
295 afs_NewCell(tcell.cellName, tcell.hosts, parm5,
296 (char *)0, (u_short)0, (u_short)0, (int)0);
299 } else if (parm == AFSOP_ADDCELL2) {
300 struct afsop_cell tcell;
301 char *tbuffer = osi_AllocSmallSpace(AFS_SMALLOCSIZ), *lcnamep = 0;
302 char *tbuffer1 = osi_AllocSmallSpace(AFS_SMALLOCSIZ), *cnamep = 0;
303 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
305 #else /* AFS_SGI61_ENV */
307 #endif /* AFS_SGI61_ENV */
310 /* wait for basic init */
311 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
313 AFS_COPYIN((char *)parm2, (char *)tcell.hosts, sizeof(tcell.hosts), code);
315 AFS_COPYINSTR((char *)parm3, tbuffer1, AFS_SMALLOCSIZ, &bufferSize, code);
318 AFS_COPYINSTR((char *)parm5, tbuffer, AFS_SMALLOCSIZ, &bufferSize, code);
321 cflags |= CLinkedCell;
325 afs_NewCell(tbuffer1, tcell.hosts, cflags,
326 lcnamep, (u_short)0, (u_short)0, (int)0);
329 osi_FreeSmallSpace(tbuffer);
330 osi_FreeSmallSpace(tbuffer1);
332 else if (parm == AFSOP_ADDCELLALIAS) {
335 * parm2 is the alias name
336 * parm3 is the real cell name
338 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
340 #else /* AFS_SGI61_ENV */
342 #endif /* AFS_SGI61_ENV */
343 char *aliasName = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
344 char *cellName = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
346 AFS_COPYINSTR((char *)parm2, aliasName, AFS_SMALLOCSIZ, &bufferSize, code);
347 if (!code) AFS_COPYINSTR((char *)parm3, cellName, AFS_SMALLOCSIZ, &bufferSize, code);
348 if (!code) afs_NewCell(aliasName, /* new entry name */
351 (char *) 0, /* linked cell */
352 0, 0, /* fs & vl ports */
354 cellName); /* real cell name */
356 osi_FreeSmallSpace(aliasName);
357 osi_FreeSmallSpace(cellName);
359 else if (parm == AFSOP_CACHEINIT) {
360 struct afs_cacheParams cparms;
362 if (afs_CacheInit_Done) goto out;
364 /* wait for basic init */
365 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
366 AFS_COPYIN((char *)parm2, (caddr_t) &cparms, sizeof(cparms), code);
368 #if defined(AFS_SUN5_ENV) || defined(AFS_OSF_ENV) || defined (AFS_SGI64_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
376 afs_CacheInit_Done = 1;
378 struct afs_icl_log *logp;
379 /* initialize the ICL system */
380 code = afs_icl_CreateLog("cmfx", 60*1024, &logp);
382 code = afs_icl_CreateSetWithFlags("cm", logp,
383 (struct icl_log *) 0,
384 ICL_CRSET_FLAG_DEFAULT_OFF,
386 code = afs_icl_CreateSet("cmlongterm", logp, (struct icl_log*) 0,
387 &afs_iclLongTermSetp);
389 afs_setTime = cparms.setTimeFlag;
391 code = afs_CacheInit(cparms.cacheScaches,
402 else if (parm == AFSOP_CACHEINODE) {
403 ino_t ainode = parm2;
404 /* wait for basic init */
405 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
409 ainode = (ainode << 32) | (parm3 & 0xffffffff);
411 code = afs_InitCacheFile((char *) 0, ainode);
413 else if (parm == AFSOP_ROOTVOLUME) {
414 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
416 #else /* AFS_SGI61_ENV */
418 #endif /* AFS_SGI61_ENV */
420 /* wait for basic init */
421 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
424 AFS_COPYINSTR((char *)parm2, afs_rootVolumeName, sizeof(afs_rootVolumeName), &bufferSize, code);
425 afs_rootVolumeName[sizeof(afs_rootVolumeName)-1] = 0;
429 else if (parm == AFSOP_CACHEFILE || parm == AFSOP_CACHEINFO ||
430 parm == AFSOP_VOLUMEINFO || parm == AFSOP_AFSLOG) {
431 char *tbuffer = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
432 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
434 #else /* AFS_SGI61_ENV */
436 #endif /* AFS_SGI61_ENV */
438 /* wait for basic init */
439 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
441 AFS_COPYINSTR((char *)parm2, tbuffer, AFS_SMALLOCSIZ, &bufferSize, code);
443 osi_FreeSmallSpace(tbuffer);
447 tbuffer[AFS_SMALLOCSIZ-1] = 0; /* null-terminate the name */
448 /* we now have the cache dir copied in. Call the cache init routines */
449 if (parm == AFSOP_CACHEFILE) code = afs_InitCacheFile(tbuffer, 0);
450 else if (parm == AFSOP_CACHEINFO) code = afs_InitCacheInfo(tbuffer);
451 else if (parm == AFSOP_VOLUMEINFO) code = afs_InitVolumeInfo(tbuffer);
453 osi_FreeSmallSpace(tbuffer);
455 else if (parm == AFSOP_GO) {
456 /* the generic initialization calls come here. One parameter: should we do the
457 set-time operation on this workstation */
458 if (afs_Go_Done) goto out;
460 while (afs_initState < AFSOP_GO) afs_osi_Sleep(&afs_initState);
463 afs_osi_Wakeup(&afs_initState);
464 #if (!defined(AFS_NONFSTRANS) && !defined(AFS_DEC_ENV)) || defined(AFS_AIX_IAUTH_ENV)
465 afs_nfsclient_init();
467 printf("found %d non-empty cache files (%d%%).\n", afs_stats_cmperf.cacheFilesReused,
468 (100*afs_stats_cmperf.cacheFilesReused) /
469 (afs_stats_cmperf.cacheNumEntries?afs_stats_cmperf.cacheNumEntries : 1));
471 else if (parm == AFSOP_ADVISEADDR) {
472 /* pass in the host address to the rx package */
473 afs_int32 count = parm2;
474 afs_int32 buffer[AFS_MAX_INTERFACE_ADDR];
475 afs_int32 maskbuffer[AFS_MAX_INTERFACE_ADDR];
476 afs_int32 mtubuffer[AFS_MAX_INTERFACE_ADDR];
480 if ( count > AFS_MAX_INTERFACE_ADDR ) {
482 count = AFS_MAX_INTERFACE_ADDR;
485 AFS_COPYIN( (char *)parm3, (char *)buffer, count*sizeof(afs_int32), code);
487 AFS_COPYIN((char *)parm4, (char *)maskbuffer, count*sizeof(afs_int32), code);
489 AFS_COPYIN((char *)parm5, (char *)mtubuffer, count*sizeof(afs_int32), code);
491 afs_cb_interface.numberOfInterfaces = count;
492 for (i=0; i < count ; i++) {
493 afs_cb_interface.addr_in[i] = buffer[i];
494 #ifdef AFS_USERSPACE_IP_ADDR
495 /* AFS_USERSPACE_IP_ADDR means we have no way of finding the
496 * machines IP addresses when in the kernel (the in_ifaddr
497 * struct is not available), so we pass the info in at
498 * startup. We also pass in the subnetmask and mtu size. The
499 * subnetmask is used when setting the rank:
500 * afsi_SetServerIPRank(); and the mtu size is used when
501 * finding the best mtu size. rxi_FindIfnet() is replaced
502 * with rxi_Findcbi().
504 afs_cb_interface.subnetmask[i] = (parm4 ? maskbuffer[i] : 0xffffffff);
505 afs_cb_interface.mtu[i] = (parm5 ? mtubuffer[i] : htonl(1500));
508 afs_uuid_create(&afs_cb_interface.uuid);
509 rxi_setaddr(buffer[0]);
513 else if (parm == AFSOP_NFSSTATICADDR) {
514 extern int (*nfs_rfsdisptab_v2)();
515 nfs_rfsdisptab_v2 = (int (*)())parm2;
517 else if (parm == AFSOP_NFSSTATICADDR2) {
518 extern int (*nfs_rfsdisptab_v2)();
520 nfs_rfsdisptab_v2 = (int (*)())((parm2<<32) | (parm3 & 0xffffffff));
522 nfs_rfsdisptab_v2 = (int (*)())(parm3 & 0xffffffff);
525 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
526 else if (parm == AFSOP_SBLOCKSTATICADDR2) {
527 extern int (*afs_sblockp)();
528 extern void (*afs_sbunlockp)();
530 afs_sblockp = (int (*)())((parm2<<32) | (parm3 & 0xffffffff));
531 afs_sbunlockp = (void (*)())((parm4<<32) | (parm5 & 0xffffffff));
533 afs_sblockp = (int (*)())(parm3 & 0xffffffff);
534 afs_sbunlockp = (void (*)())(parm5 & 0xffffffff);
537 #endif /* AFS_SGI62_ENV && !AFS_SGI65_ENV */
538 #endif /* AFS_SGI53_ENV */
539 else if (parm == AFSOP_SHUTDOWN) {
540 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
541 extern struct mount *afs_globalVFS;
542 #else /* AFS_OSF_ENV */
543 extern struct vfs *afs_globalVFS;
545 afs_cold_shutdown = 0;
546 if (parm == 1) afs_cold_shutdown = 1;
547 if (afs_globalVFS != 0) {
548 afs_warn("AFS isn't unmounted yet! Call aborted\n");
554 #if ! defined(AFS_HPUX90_ENV) || defined(AFS_HPUX100_ENV)
555 else if (parm == AFSOP_AFS_VFSMOUNT) {
557 #if defined(AFS_HPUX100_ENV)
558 vfsmount(parm2, parm3, parm4, parm5);
560 afs_vfs_mount(parm2, parm3, parm4, parm5);
561 #endif /* AFS_HPUX100_ENV */
562 #else /* defined(AFS_HPUX_ENV) */
563 #if defined(AFS_SGI_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_OSF_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
568 #endif /* defined(AFS_HPUX_ENV) */
571 else if (parm == AFSOP_CLOSEWAIT) {
572 afs_SynchronousCloses = 'S';
574 else if (parm == AFSOP_GETMTU) {
576 #if !defined(AFS_SUN5_ENV) && !defined(AFS_LINUX20_ENV)
577 #ifdef AFS_USERSPACE_IP_ADDR
579 i = rxi_Findcbi(parm2);
580 mtu = ((i == -1) ? htonl(1500) : afs_cb_interface.mtu[i]);
581 #else /* AFS_USERSPACE_IP_ADDR */
583 struct in_ifaddr *tifadp = (struct in_ifaddr *) 0;
584 extern struct ifnet *rxi_FindIfnet();
586 tifnp = rxi_FindIfnet(parm2, &tifadp); /* make iterative */
587 mtu = (tifnp ? tifnp->if_mtu : htonl(1500));
588 #endif /* else AFS_USERSPACE_IP_ADDR */
589 #endif /* !AFS_SUN5_ENV */
591 AFS_COPYOUT ((caddr_t)&mtu, (caddr_t)parm3, sizeof(afs_int32), code);
593 /* this is disabled for now because I can't figure out how to get access
594 * to these kernel variables. It's only for supporting user-mode rx
595 * programs -- it makes a huge difference on the 220's in my testbed,
596 * though I don't know why. The bosserver does this with /etc/no, so it's
597 * being handled a different way for the servers right now. */
600 extern u_long sb_max_dflt;
603 if (sb_max_dflt < 131072) sb_max_dflt = 131072;
604 if (sb_max < 131072) sb_max = 131072;
607 #endif /* AFS_AIX32_ENV */
609 else if (parm == AFSOP_GETMASK) { /* parm2 == addr in net order */
611 #if !defined(AFS_SUN5_ENV)
612 #ifdef AFS_USERSPACE_IP_ADDR
614 i = rxi_Findcbi(parm2);
616 mask = afs_cb_interface.subnetmask[i];
620 #else /* AFS_USERSPACE_IP_ADDR */
622 struct in_ifaddr *tifadp = (struct in_ifaddr *) 0;
623 extern struct ifnet *rxi_FindIfnet();
624 tifnp = rxi_FindIfnet(parm2, &tifadp); /* make iterative */
625 if (tifnp && tifadp) {
626 mask = tifadp->ia_subnetmask;
630 #endif /* else AFS_USERSPACE_IP_ADDR */
631 #endif /* !AFS_SUN5_ENV */
633 AFS_COPYOUT ((caddr_t)&mask, (caddr_t)parm3, sizeof(afs_int32), code);
636 else if (parm == AFSOP_AFSDB_HANDLER) {
637 int sizeArg = (int)parm4;
638 int kmsgLen = sizeArg & 0xffff;
639 int cellLen = (sizeArg & 0xffff0000) >> 16;
640 afs_int32 *kmsg = afs_osi_Alloc(kmsgLen);
641 char *cellname = afs_osi_Alloc(cellLen);
644 afs_osi_MaskSignals();
646 AFS_COPYIN((afs_int32 *)parm2, cellname, cellLen, code);
647 AFS_COPYIN((afs_int32 *)parm3, kmsg, kmsgLen, code);
649 code = afs_AfsdbHandler(cellname, cellLen, kmsg);
650 if (*cellname == 1) *cellname = 0;
651 if (code == -2) { /* Shutting down? */
656 if (!code) AFS_COPYOUT(cellname, (char *)parm2, cellLen, code);
657 afs_osi_Free(kmsg, kmsgLen);
658 afs_osi_Free(cellname, cellLen);
661 else if (parm == AFSOP_SET_DYNROOT) {
662 code = afs_SetDynrootEnable(parm2);
669 #ifdef AFS_LINUX20_ENV
678 #include "sys/lockl.h"
681 * syscall - this is the VRMIX system call entry point.
684 * THIS SHOULD BE CHANGED TO afs_syscall(), but requires
685 * all the user-level calls to `syscall' to change.
687 syscall(syscall, p1, p2, p3, p4, p5, p6) {
688 register rval1=0, code;
691 #ifndef AFS_AIX41_ENV
692 extern lock_t kernel_lock;
693 monster = lockl(&kernel_lock, LOCK_SHORT);
694 #endif /* !AFS_AIX41_ENV */
696 AFS_STATCNT(syscall);
700 rval1 = afs_syscall_call(p1, p2, p3, p4, p5, p6);
705 rval1 = afs_setpag();
711 rval1 = afs_syscall_pioctl(p1, p2, p3, p4);
715 case AFSCALL_ICREATE:
716 rval1 = afs_syscall_icreate(p1, p2, p3, p4, p5, p6);
720 rval1 = afs_syscall_iopen(p1, p2, p3);
724 rval1 = afs_syscall_iincdec(p1, p2, p3, -1);
728 rval1 = afs_syscall_iincdec(p1, p2, p3, 1);
733 code = Afscall_icl(p1, p2, p3, p4, p5, &retval);
735 if (!code) rval1 = retval;
736 if (!rval1) rval1 = code;
746 #ifndef AFS_AIX41_ENV
747 if (monster != LOCK_NEST)
748 unlockl(&kernel_lock);
749 #endif /* !AFS_AIX41_ENV */
750 return getuerror() ? -1 : rval1;
754 * lsetpag - interface to afs_setpag().
758 AFS_STATCNT(lsetpag);
759 return syscall(AFSCALL_SETPAG, 0, 0, 0, 0, 0);
763 * lpioctl - interface to pioctl()
765 lpioctl(path, cmd, cmarg, follow)
766 char *path, *cmarg; {
768 AFS_STATCNT(lpioctl);
769 return syscall(AFSCALL_PIOCTL, path, cmd, cmarg, follow);
772 #else /* !AFS_AIX32_ENV */
774 #if defined(AFS_SGI_ENV)
787 Afs_syscall (struct afsargs *uap, rval_t *rvp)
792 AFS_STATCNT(afs_syscall);
793 switch(uap->syscall) {
797 error=Afscall_icl(uap->parm1,uap->parm2,uap->parm3,uap->parm4,uap->parm5, &retval);
799 rvp->r_val1 = retval;
801 #ifdef AFS_SGI_XFS_IOPS_ENV
803 error = afs_syscall_idec64(uap->parm1, uap->parm2, uap->parm3,
804 uap->parm4, uap->parm5);
807 error = afs_syscall_iinc64(uap->parm1, uap->parm2, uap->parm3,
808 uap->parm4, uap->parm5);
810 case AFSCALL_ILISTINODE64:
811 error = afs_syscall_ilistinode64(uap->parm1, uap->parm2, uap->parm3,
812 uap->parm4, uap->parm5);
814 case AFSCALL_ICREATENAME64:
815 error = afs_syscall_icreatename64(uap->parm1, uap->parm2, uap->parm3,
816 uap->parm4, uap->parm5);
819 #ifdef AFS_SGI_VNODE_GLUE
820 case AFSCALL_INIT_KERNEL_CONFIG:
821 error = afs_init_kernel_config(uap->parm1);
825 error = afs_syscall_call(uap->syscall, uap->parm1, uap->parm2,
826 uap->parm3, uap->parm4, uap->parm5);
831 #else /* AFS_SGI_ENV */
849 iparam32_to_iparam(const struct iparam32 *src, struct iparam *dst)
851 dst->param1 = src->param1;
852 dst->param2 = src->param2;
853 dst->param3 = src->param3;
854 dst->param4 = src->param4;
858 * If you need to change copyin_iparam(), you may also need to change
859 * copyin_afs_ioctl().
863 copyin_iparam(caddr_t cmarg, struct iparam *dst)
867 #if defined(AFS_HPUX_64BIT_ENV)
868 struct iparam32 dst32;
870 if (is_32bit(u.u_procp)) /* is_32bit() in proc_iface.h */
872 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
874 iparam32_to_iparam(&dst32, dst);
877 #endif /* AFS_HPUX_64BIT_ENV */
879 #if defined(AFS_SUN57_64BIT_ENV)
880 struct iparam32 dst32;
882 if (get_udatamodel() == DATAMODEL_ILP32) {
883 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
885 iparam32_to_iparam(&dst32, dst);
888 #endif /* AFS_SUN57_64BIT_ENV */
890 #if defined(AFS_LINUX_64BIT_KERNEL) && !defined(AFS_ALPHA_LINUX20_ENV) && !defined(AFS_IA64_LINUX20_ENV)
891 struct iparam32 dst32;
893 #ifdef AFS_SPARC64_LINUX24_ENV
894 if (current->thread.flags & SPARC_FLAG_32BIT)
895 #elif AFS_SPARC64_LINUX20_ENV
896 if (current->tss.flags & SPARC_FLAG_32BIT)
898 #error Not done for this linux version
899 #endif /* AFS_SPARC64_LINUX20_ENV */
901 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
903 iparam32_to_iparam(&dst32, dst);
906 #endif /* AFS_LINUX_64BIT_KERNEL */
908 AFS_COPYIN(cmarg, (caddr_t) dst, sizeof *dst, code);
912 /* Main entry of all afs system calls */
914 extern int afs_sinited;
916 /** The 32 bit OS expects the members of this structure to be 32 bit
917 * quantities and the 64 bit OS expects them as 64 bit quanties. Hence
918 * to accomodate both, *long* is used instead of afs_int32
943 Afs_syscall (uap, rvp)
944 register struct afssysa *uap;
947 int *retval = &rvp->r_val1;
948 #else /* AFS_SUN5_ENV */
949 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
950 afs3_syscall(p, args, retval)
963 } *uap = (struct a *)args;
964 #else /* AFS_OSF_ENV */
965 #ifdef AFS_LINUX20_ENV
973 long parm6; /* not actually used - should be removed */
975 /* Linux system calls only set up for 5 arguments. */
976 asmlinkage int afs_syscall(long syscall, long parm1, long parm2, long parm3,
979 struct afssysargs args, *uap = &args;
981 long *retval = &linux_ret;
982 long eparm[4]; /* matches AFSCALL_ICL in fstrace.c */
983 /* eparm is also used by AFSCALL_CALL in afsd.c */
996 } *uap = (struct a *)u.u_ap;
998 #if defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
1002 #endif /* SUN && !SUN5 */
1012 } *uap = (struct a *)u.u_ap;
1013 #endif /* UKERNEL */
1014 #if defined(AFS_DEC_ENV)
1015 int *retval = &u.u_r.r_val1;
1017 #if defined(AFS_HPUX_ENV)
1018 long *retval = &u.u_rval1;
1020 int *retval = &u.u_rval1;
1023 #endif /* AFS_LINUX20_ENV */
1024 #endif /* AFS_OSF_ENV */
1025 #endif /* AFS_SUN5_ENV */
1026 register int code = 0;
1028 AFS_STATCNT(afs_syscall);
1035 #ifdef AFS_LINUX20_ENV
1037 /* setup uap for use below - pull out the magic decoder ring to know
1038 * which syscalls have folded argument lists.
1040 uap->syscall = syscall;
1044 if (syscall == AFSCALL_ICL || syscall == AFSCALL_CALL) {
1045 AFS_COPYIN((char*)parm4, (char*)eparm, sizeof(eparm), code);
1046 uap->parm4 = eparm[0];
1047 uap->parm5 = eparm[1];
1048 uap->parm6 = eparm[2];
1057 #if defined(AFS_HPUX_ENV)
1059 * There used to be code here (duplicated from osi_Init()) for
1060 * initializing the semaphore used by AFS_GLOCK(). Was the
1061 * duplication to handle the case of a dynamically loaded kernel
1066 if (uap->syscall == AFSCALL_CALL) {
1068 code = afs_syscall_call(uap->parm1, uap->parm2, uap->parm3,
1069 uap->parm4, uap->parm5, uap->parm6, rvp, CRED());
1071 code = afs_syscall_call(uap->parm1, uap->parm2, uap->parm3, uap->parm4, uap->parm5, uap->parm6);
1073 } else if (uap->syscall == AFSCALL_SETPAG) {
1075 register proc_t *procp;
1077 procp = ttoproc(curthread);
1079 code = afs_setpag(&procp->p_cred);
1083 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1084 code = afs_setpag(p, args, retval);
1085 #else /* AFS_OSF_ENV */
1086 code = afs_setpag();
1090 } else if (uap->syscall == AFSCALL_PIOCTL) {
1093 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, rvp, CRED());
1095 #if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1096 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, p->p_cred->pc_ucred);
1098 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4);
1102 } else if (uap->syscall == AFSCALL_ICREATE) {
1103 struct iparam iparams;
1105 code = copyin_iparam((char *)uap->parm3, &iparams);
1107 #if !defined(AFS_SUN5_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1112 code = afs_syscall_icreate(uap->parm1, uap->parm2, iparams.param1, iparams.param2,
1113 iparams.param3, iparams.param4, rvp, CRED());
1115 code = afs_syscall_icreate(uap->parm1, uap->parm2, iparams.param1, iparams.param2,
1116 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1117 iparams.param3, iparams.param4, retval);
1119 iparams.param3, iparams.param4);
1121 #endif /* AFS_SUN5_ENV */
1122 } else if (uap->syscall == AFSCALL_IOPEN) {
1124 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3, rvp, CRED());
1126 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1127 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3, retval);
1129 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3);
1131 #endif /* AFS_SUN5_ENV */
1132 } else if (uap->syscall == AFSCALL_IDEC) {
1134 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, -1, rvp, CRED());
1136 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, -1);
1137 #endif /* AFS_SUN5_ENV */
1138 } else if (uap->syscall == AFSCALL_IINC) {
1140 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, 1, rvp, CRED());
1142 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, 1);
1143 #endif /* AFS_SUN5_ENV */
1144 } else if (uap->syscall == AFSCALL_ICL) {
1146 code = Afscall_icl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, uap->parm5, retval);
1148 #ifdef AFS_LINUX20_ENV
1150 /* ICL commands can return values. */
1151 code = -linux_ret; /* Gets negated again at exit below */
1155 #if !defined(AFS_SUN5_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1159 #endif /* !AFS_LINUX20_ENV */
1161 #if defined(AFS_SUN5_ENV) || defined(AFS_OSF_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1165 #endif /* AFS_SUN5_ENV */
1168 #ifdef AFS_LINUX20_ENV
1174 #endif /* AFS_SGI_ENV */
1175 #endif /* !AFS_AIX32_ENV */
1178 * Initstate in the range 0 < x < 100 are early initialization states.
1179 * Initstate of 100 means a AFSOP_START operation has been done. After this,
1180 * the cache may be initialized.
1181 * Initstate of 101 means a AFSOP_GO operation has been done. This operation
1182 * is done after all the cache initialization has been done.
1183 * Initstate of 200 means that the volume has been looked up once, possibly
1185 * Initstate of 300 means that the volume has been *successfully* looked up.
1188 register int code = 0;
1190 AFS_STATCNT(afs_CheckInit);
1191 if (afs_initState <= 100)
1192 code = ENXIO; /* never finished init phase */
1193 else if (afs_initState == 101) { /* init done, wait for afs_daemon */
1194 while (afs_initState < 200) afs_osi_Sleep(&afs_initState);
1195 } else if (afs_initState == 200)
1196 code = ETIMEDOUT; /* didn't find root volume */
1200 int afs_shuttingdown = 0;
1204 extern short afs_brsDaemons;
1205 extern afs_int32 afs_CheckServerDaemonStarted;
1206 extern struct afs_osi_WaitHandle AFS_WaitHandler, AFS_CSWaitHandler;
1207 extern struct osi_file *afs_cacheInodep;
1209 AFS_STATCNT(afs_shutdown);
1210 if (afs_shuttingdown) return;
1211 afs_shuttingdown = 1;
1212 if (afs_cold_shutdown) afs_warn("COLD ");
1213 else afs_warn("WARM ");
1214 afs_warn("shutting down of: CB... ");
1216 afs_termState = AFSOP_STOP_RXCALLBACK;
1217 rx_WakeupServerProcs();
1218 /* shutdown_rxkernel(); */
1219 while (afs_termState == AFSOP_STOP_RXCALLBACK)
1220 afs_osi_Sleep(&afs_termState);
1222 afs_warn("afs... ");
1223 while (afs_termState == AFSOP_STOP_AFS) {
1224 afs_osi_CancelWait(&AFS_WaitHandler);
1225 afs_osi_Sleep(&afs_termState);
1227 if (afs_CheckServerDaemonStarted) {
1228 while (afs_termState == AFSOP_STOP_CS) {
1229 afs_osi_CancelWait(&AFS_CSWaitHandler);
1230 afs_osi_Sleep(&afs_termState);
1233 afs_warn("BkG... ");
1234 /* Wake-up afs_brsDaemons so that we don't have to wait for a bkg job! */
1235 while (afs_termState == AFSOP_STOP_BKG) {
1236 afs_osi_Wakeup(&afs_brsDaemons);
1237 afs_osi_Sleep(&afs_termState);
1239 afs_warn("CTrunc... ");
1240 /* Cancel cache truncate daemon. */
1241 while (afs_termState == AFSOP_STOP_TRUNCDAEMON) {
1242 afs_osi_Wakeup((char*)&afs_CacheTruncateDaemon);
1243 afs_osi_Sleep(&afs_termState);
1245 #ifdef AFS_AFSDB_ENV
1246 afs_warn("AFSDB... ");
1248 while (afs_termState == AFSOP_STOP_AFSDB)
1249 afs_osi_Sleep(&afs_termState);
1251 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
1252 afs_warn("RxEvent... ");
1253 /* cancel rx event deamon */
1254 while (afs_termState == AFSOP_STOP_RXEVENT)
1255 afs_osi_Sleep(&afs_termState);
1256 #if defined(RXK_LISTENER_ENV)
1257 afs_warn("RxListener... ");
1259 afs_osi_UnmaskRxkSignals();
1261 /* cancel rx listener */
1262 osi_StopListener(); /* This closes rx_socket. */
1263 while (afs_termState == AFSOP_STOP_RXK_LISTENER)
1264 afs_osi_Sleep(&afs_termState);
1267 afs_termState = AFSOP_STOP_COMPLETE;
1271 /* Close file only after daemons which can write to it are stopped. */
1272 if (afs_cacheInodep) /* memcache won't set this */
1274 osi_UFSClose(afs_cacheInodep); /* Since we always leave it open */
1275 afs_cacheInodep = 0;
1277 return; /* Just kill daemons for now */
1281 shutdown_rxkernel();
1285 shutdown_bufferpackage();
1291 shutdown_vnodeops();
1293 shutdown_exporter();
1294 shutdown_memcache();
1295 #if !defined(AFS_NONFSTRANS) || defined(AFS_AIX_IAUTH_ENV)
1296 #if !defined(AFS_DEC_ENV) && !defined(AFS_OSF_ENV)
1297 /* this routine does not exist in Ultrix systems... 93.01.19 */
1299 #endif /* AFS_DEC_ENV */
1302 /* The following hold the cm stats */
1304 memset(&afs_cmstats, 0, sizeof(struct afs_CMStats));
1305 memset(&afs_stats_cmperf, 0, sizeof(struct afs_stats_CMPerf));
1306 memset(&afs_stats_cmfullperf, 0, sizeof(struct afs_stats_CMFullPerf));
1308 afs_warn(" ALL allocated tables\n");
1309 afs_shuttingdown = 0;
1315 AFS_STATCNT(shutdown_afstest);
1316 afs_initState = afs_termState = afs_setTime = 0;
1317 AFS_Running = afs_CB_Running = 0;
1318 afs_CacheInit_Done = afs_Go_Done = 0;
1319 if (afs_cold_shutdown) {
1320 *afs_rootVolumeName = 0;
1325 /* In case there is a bunch of dynamically build bkg daemons to free */
1327 { AFS_STATCNT(shutdown_BKG); }
1330 #if defined(AFS_ALPHA_ENV) || defined(AFS_SGI61_ENV)
1331 /* For SGI 6.2, this can is changed to 1 if it's a 32 bit kernel. */
1332 #if defined(AFS_SGI62_ENV) && defined(KERNEL) && !defined(_K64U64)
1333 int afs_icl_sizeofLong = 1;
1335 int afs_icl_sizeofLong = 2;
1338 int afs_icl_sizeofLong = 1;
1341 int afs_icl_inited = 0;
1343 /* init function, called once, under afs_icl_lock */
1350 extern struct afs_icl_log *afs_icl_FindLog();
1351 extern struct afs_icl_set *afs_icl_FindSet();
1355 Afscall_icl(long opcode, long p1, long p2, long p3, long p4, long *retval)
1358 afs_int32 *lp, elts, flags;
1359 register afs_int32 code;
1360 struct afs_icl_log *logp;
1361 struct afs_icl_set *setp;
1362 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1364 #else /* AFS_SGI61_ENV */
1366 #endif /* AFS_SGI61_ENV */
1368 afs_int32 startCookie;
1369 afs_int32 allocated;
1370 struct afs_icl_log *tlp;
1373 if (!afs_suser(CRED())) { /* only root can run this code */
1377 if (!afs_suser()) { /* only root can run this code */
1378 #if !defined(AFS_SGI_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1387 case ICL_OP_COPYOUTCLR: /* copy out data then clear */
1388 case ICL_OP_COPYOUT: /* copy ouy data */
1389 /* copyout: p1=logname, p2=&buffer, p3=size(words), p4=&cookie
1390 * return flags<<24 + nwords.
1391 * updates cookie to updated start (not end) if we had to
1392 * skip some records.
1394 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1395 if (code) return code;
1396 AFS_COPYIN((char *)p4, (char *)&startCookie, sizeof(afs_int32), code);
1397 if (code) return code;
1398 logp = afs_icl_FindLog(tname);
1399 if (!logp) return ENOENT;
1400 #define BUFFERSIZE AFS_LRALLOCSIZ
1401 lp = (afs_int32 *) osi_AllocLargeSpace(AFS_LRALLOCSIZ);
1402 elts = BUFFERSIZE / sizeof(afs_int32);
1403 if (p3 < elts) elts = p3;
1404 flags = (opcode == ICL_OP_COPYOUT) ? 0 : ICL_COPYOUTF_CLRAFTERREAD;
1405 code = afs_icl_CopyOut(logp, lp, &elts, (afs_uint32 *) &startCookie,
1408 osi_FreeLargeSpace((struct osi_buffer *) lp);
1411 AFS_COPYOUT((char *)lp, (char *)p2, elts * sizeof(afs_int32), code);
1412 if (code) goto done;
1413 AFS_COPYOUT((char *) &startCookie, (char *)p4, sizeof(afs_int32), code);
1414 if (code) goto done;
1415 *retval = (flags<<24) | (elts & 0xffffff);
1417 afs_icl_LogRele(logp);
1418 osi_FreeLargeSpace((struct osi_buffer *) lp);
1421 case ICL_OP_ENUMLOGS: /* enumerate logs */
1422 /* enumerate logs: p1=index, p2=&name, p3=sizeof(name), p4=&size.
1423 * return 0 for success, otherwise error.
1425 for(tlp = afs_icl_allLogs; tlp; tlp=tlp->nextp) {
1426 if (p1-- == 0) break;
1428 if (!tlp) return ENOENT; /* past the end of file */
1429 temp = strlen(tlp->name)+1;
1430 if (temp > p3) return EINVAL;
1431 AFS_COPYOUT(tlp->name, (char *) p2, temp, code);
1432 if (!code) /* copy out size of log */
1433 AFS_COPYOUT((char *)&tlp->logSize, (char *)p4, sizeof (afs_int32), code);
1436 case ICL_OP_ENUMLOGSBYSET: /* enumerate logs by set name */
1437 /* enumerate logs: p1=setname, p2=index, p3=&name, p4=sizeof(name).
1438 * return 0 for success, otherwise error.
1440 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1441 if (code) return code;
1442 setp = afs_icl_FindSet(tname);
1443 if (!setp) return ENOENT;
1444 if (p2 > ICL_LOGSPERSET)
1446 if (!(tlp = setp->logs[p2]))
1448 temp = strlen(tlp->name)+1;
1449 if (temp > p4) return EINVAL;
1450 AFS_COPYOUT(tlp->name, (char *)p3, temp, code);
1453 case ICL_OP_CLRLOG: /* clear specified log */
1454 /* zero out the specified log: p1=logname */
1455 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1456 if (code) return code;
1457 logp = afs_icl_FindLog(tname);
1458 if (!logp) return ENOENT;
1459 code = afs_icl_ZeroLog(logp);
1460 afs_icl_LogRele(logp);
1463 case ICL_OP_CLRSET: /* clear specified set */
1464 /* zero out the specified set: p1=setname */
1465 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1466 if (code) return code;
1467 setp = afs_icl_FindSet(tname);
1468 if (!setp) return ENOENT;
1469 code = afs_icl_ZeroSet(setp);
1470 afs_icl_SetRele(setp);
1473 case ICL_OP_CLRALL: /* clear all logs */
1474 /* zero out all logs -- no args */
1476 ObtainWriteLock(&afs_icl_lock,178);
1477 for(tlp = afs_icl_allLogs; tlp; tlp=tlp->nextp) {
1478 tlp->refCount++; /* hold this guy */
1479 ReleaseWriteLock(&afs_icl_lock);
1480 /* don't clear persistent logs */
1481 if ((tlp->states & ICL_LOGF_PERSISTENT) == 0)
1482 code = afs_icl_ZeroLog(tlp);
1483 ObtainWriteLock(&afs_icl_lock,179);
1484 if (--tlp->refCount == 0)
1485 afs_icl_ZapLog(tlp);
1488 ReleaseWriteLock(&afs_icl_lock);
1491 case ICL_OP_ENUMSETS: /* enumerate all sets */
1492 /* enumerate sets: p1=index, p2=&name, p3=sizeof(name), p4=&states.
1493 * return 0 for success, otherwise error.
1495 for(setp = afs_icl_allSets; setp; setp = setp->nextp) {
1496 if (p1-- == 0) break;
1498 if (!setp) return ENOENT; /* past the end of file */
1499 temp = strlen(setp->name)+1;
1500 if (temp > p3) return EINVAL;
1501 AFS_COPYOUT(setp->name, (char *)p2, temp, code);
1502 if (!code) /* copy out size of log */
1503 AFS_COPYOUT((char *)&setp->states,(char *)p4, sizeof (afs_int32), code);
1506 case ICL_OP_SETSTAT: /* set status on a set */
1507 /* activate the specified set: p1=setname, p2=op */
1508 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1509 if (code) return code;
1510 setp = afs_icl_FindSet(tname);
1511 if (!setp) return ENOENT;
1512 code = afs_icl_SetSetStat(setp, p2);
1513 afs_icl_SetRele(setp);
1516 case ICL_OP_SETSTATALL: /* set status on all sets */
1517 /* activate the specified set: p1=op */
1519 ObtainWriteLock(&afs_icl_lock,180);
1520 for(setp = afs_icl_allSets; setp; setp=setp->nextp) {
1521 setp->refCount++; /* hold this guy */
1522 ReleaseWriteLock(&afs_icl_lock);
1523 /* don't set states on persistent sets */
1524 if ((setp->states & ICL_SETF_PERSISTENT) == 0)
1525 code = afs_icl_SetSetStat(setp, p1);
1526 ObtainWriteLock(&afs_icl_lock,181);
1527 if (--setp->refCount == 0)
1528 afs_icl_ZapSet(setp);
1531 ReleaseWriteLock(&afs_icl_lock);
1534 case ICL_OP_SETLOGSIZE: /* set size of log */
1535 /* set the size of the specified log: p1=logname, p2=size (in words) */
1536 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1537 if (code) return code;
1538 logp = afs_icl_FindLog(tname);
1539 if (!logp) return ENOENT;
1540 code = afs_icl_LogSetSize(logp, p2);
1541 afs_icl_LogRele(logp);
1544 case ICL_OP_GETLOGINFO: /* get size of log */
1545 /* zero out the specified log: p1=logname, p2=&logSize, p3=&allocated */
1546 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1547 if (code) return code;
1548 logp = afs_icl_FindLog(tname);
1549 if (!logp) return ENOENT;
1550 allocated = !!logp->datap;
1551 AFS_COPYOUT((char *)&logp->logSize, (char *) p2, sizeof(afs_int32), code);
1553 AFS_COPYOUT((char *)&allocated, (char *) p3, sizeof(afs_int32), code);
1554 afs_icl_LogRele(logp);
1557 case ICL_OP_GETSETINFO: /* get state of set */
1558 /* zero out the specified set: p1=setname, p2=&state */
1559 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1560 if (code) return code;
1561 setp = afs_icl_FindSet(tname);
1562 if (!setp) return ENOENT;
1563 AFS_COPYOUT((char *)&setp->states, (char *) p2, sizeof(afs_int32), code);
1564 afs_icl_SetRele(setp);
1575 afs_lock_t afs_icl_lock;
1577 /* exported routine: a 4 parameter event */
1578 afs_icl_Event4(setp, eventID, lAndT, p1, p2, p3, p4)
1579 register struct afs_icl_set *setp;
1582 long p1, p2, p3, p4;
1584 register struct afs_icl_log *logp;
1587 register afs_int32 tmask;
1590 /* If things aren't init'ed yet (or the set is inactive), don't panic */
1591 if (!ICL_SETACTIVE(setp)) return;
1594 mask = lAndT>>24 & 0xff; /* mask of which logs to log to */
1595 ix = ICL_EVENTBYTE(eventID);
1596 ObtainReadLock(&setp->lock);
1597 if (setp->eventFlags[ix] & ICL_EVENTMASK(eventID)) {
1598 for(i=0, tmask = 1; i<ICL_LOGSPERSET; i++, tmask <<= 1) {
1600 afs_icl_AppendRecord(setp->logs[i], eventID, lAndT & 0xffffff,
1604 if (mask == 0) break; /* break early */
1607 ReleaseReadLock(&setp->lock);
1610 /* Next 4 routines should be implemented via var-args or something.
1611 * Whole purpose is to avoid compiler warnings about parameter # mismatches.
1612 * Otherwise, could call afs_icl_Event4 directly.
1614 afs_icl_Event3(setp, eventID, lAndT, p1, p2, p3)
1615 register struct afs_icl_set *setp;
1620 return afs_icl_Event4(setp, eventID, lAndT, p1, p2, p3, (long)0);
1623 afs_icl_Event2(setp, eventID, lAndT, p1, p2)
1624 register struct afs_icl_set *setp;
1629 return afs_icl_Event4(setp, eventID, lAndT, p1, p2, (long)0, (long)0);
1632 afs_icl_Event1(setp, eventID, lAndT, p1)
1633 register struct afs_icl_set *setp;
1638 return afs_icl_Event4(setp, eventID, lAndT, p1, (long)0, (long)0, (long)0);
1641 afs_icl_Event0(setp, eventID, lAndT)
1642 register struct afs_icl_set *setp;
1646 return afs_icl_Event4(setp, eventID, lAndT, (long)0, (long)0, (long)0, (long)0);
1649 struct afs_icl_log *afs_icl_allLogs = 0;
1651 /* function to purge records from the start of the log, until there
1652 * is at least minSpace long's worth of space available without
1653 * making the head and the tail point to the same word.
1655 * Log must be write-locked.
1657 static afs_icl_GetLogSpace(logp, minSpace)
1658 register struct afs_icl_log *logp;
1661 register unsigned int tsize;
1663 while (logp->logSize - logp->logElements <= minSpace) {
1665 tsize = ((logp->datap[logp->firstUsed]) >> 24) & 0xff;
1666 logp->logElements -= tsize;
1667 logp->firstUsed += tsize;
1668 if (logp->firstUsed >= logp->logSize)
1669 logp->firstUsed -= logp->logSize;
1670 logp->baseCookie += tsize;
1674 /* append string astr to buffer, including terminating null char.
1676 * log must be write-locked.
1678 #define ICL_CHARSPERLONG 4
1679 static afs_int32 afs_icl_AppendString(logp, astr)
1680 struct afs_icl_log *logp;
1683 char *op; /* ptr to char to write */
1685 register int bib; /* bytes in buffer */
1688 op = (char *) &(logp->datap[logp->firstFree]);
1692 if (++bib >= ICL_CHARSPERLONG) {
1695 if (++(logp->firstFree) >= logp->logSize) {
1696 logp->firstFree = 0;
1697 op = (char *) &(logp->datap[0]);
1699 logp->logElements++;
1704 /* if we've used this word at all, allocate it */
1705 if (++(logp->firstFree) >= logp->logSize) {
1706 logp->firstFree = 0;
1708 logp->logElements++;
1712 /* add a long to the log, ignoring overflow (checked already) */
1713 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1714 #define ICL_APPENDINT32(lp, x) \
1716 (lp)->datap[(lp)->firstFree] = (x); \
1717 if (++((lp)->firstFree) >= (lp)->logSize) { \
1718 (lp)->firstFree = 0; \
1720 (lp)->logElements++; \
1723 #define ICL_APPENDLONG(lp, x) \
1725 ICL_APPENDINT32((lp), ((x) >> 32) & 0xffffffffL); \
1726 ICL_APPENDINT32((lp), (x) & 0xffffffffL); \
1729 #else /* AFS_ALPHA_ENV */
1730 #define ICL_APPENDLONG(lp, x) \
1732 (lp)->datap[(lp)->firstFree] = (x); \
1733 if (++((lp)->firstFree) >= (lp)->logSize) { \
1734 (lp)->firstFree = 0; \
1736 (lp)->logElements++; \
1738 #define ICL_APPENDINT32(lp, x) ICL_APPENDLONG((lp), (x))
1739 #endif /* AFS_ALPHA_ENV */
1741 /* routine to tell whether we're dealing with the address or the
1744 afs_icl_UseAddr(type)
1747 if (type == ICL_TYPE_HYPER || type == ICL_TYPE_STRING
1748 || type == ICL_TYPE_FID || type == ICL_TYPE_INT64)
1754 /* Function to append a record to the log. Written for speed
1755 * since we know that we're going to have to make this work fast
1756 * pretty soon, anyway. The log must be unlocked.
1759 afs_icl_AppendRecord(logp, op, types, p1, p2, p3, p4)
1760 register struct afs_icl_log *logp;
1763 long p1, p2, p3, p4;
1765 int rsize; /* record size in longs */
1766 register int tsize; /* temp size */
1770 t4 = types & 0x3f; /* decode types */
1778 osi_GetTime(&tv); /* It panics for solaris if inside */
1779 ObtainWriteLock(&logp->lock,182);
1781 ReleaseWriteLock(&logp->lock);
1785 /* get timestamp as # of microseconds since some time that doesn't
1786 * change that often. This algorithm ticks over every 20 minutes
1787 * or so (1000 seconds). Write a timestamp record if it has.
1789 if (tv.tv_sec - logp->lastTS > 1024)
1791 /* the timer has wrapped -- write a timestamp record */
1792 if (logp->logSize - logp->logElements <= 5)
1793 afs_icl_GetLogSpace(logp, 5);
1795 ICL_APPENDINT32(logp, (afs_int32)(5<<24) + (ICL_TYPE_UNIXDATE<<18));
1796 ICL_APPENDINT32(logp, (afs_int32)ICL_INFO_TIMESTAMP);
1797 ICL_APPENDINT32(logp, (afs_int32)0); /* use thread ID zero for clocks */
1798 ICL_APPENDINT32(logp,
1799 (afs_int32)(tv.tv_sec & 0x3ff) * 1000000 + tv.tv_usec);
1800 ICL_APPENDINT32(logp, (afs_int32)tv.tv_sec);
1802 logp->lastTS = tv.tv_sec;
1805 rsize = 4; /* base case */
1807 /* compute size of parameter p1. Only tricky case is string.
1808 * In that case, we have to call strlen to get the string length.
1810 ICL_SIZEHACK(t1, p1);
1813 /* compute size of parameter p2. Only tricky case is string.
1814 * In that case, we have to call strlen to get the string length.
1816 ICL_SIZEHACK(t2, p2);
1819 /* compute size of parameter p3. Only tricky case is string.
1820 * In that case, we have to call strlen to get the string length.
1822 ICL_SIZEHACK(t3, p3);
1825 /* compute size of parameter p4. Only tricky case is string.
1826 * In that case, we have to call strlen to get the string length.
1828 ICL_SIZEHACK(t4, p4);
1831 /* At this point, we've computed all of the parameter sizes, and
1832 * have in rsize the size of the entire record we want to append.
1833 * Next, we check that we actually have room in the log to do this
1834 * work, and then we do the append.
1837 ReleaseWriteLock(&logp->lock);
1838 return; /* log record too big to express */
1841 if (logp->logSize - logp->logElements <= rsize)
1842 afs_icl_GetLogSpace(logp, rsize);
1844 ICL_APPENDINT32(logp,
1845 (afs_int32)(rsize<<24) + (t1<<18) + (t2<<12) + (t3<<6) + t4);
1846 ICL_APPENDINT32(logp, (afs_int32)op);
1847 ICL_APPENDINT32(logp, (afs_int32)osi_ThreadUnique());
1848 ICL_APPENDINT32(logp, (afs_int32)(tv.tv_sec & 0x3ff) * 1000000 + tv.tv_usec);
1851 /* marshall parameter 1 now */
1852 if (t1 == ICL_TYPE_STRING) {
1853 afs_icl_AppendString(logp, (char *) p1);
1855 else if (t1 == ICL_TYPE_HYPER) {
1856 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p1)->high);
1857 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p1)->low);
1859 else if (t1 == ICL_TYPE_INT64) {
1860 #ifdef AFSLITTLE_ENDIAN
1861 #ifdef AFS_64BIT_CLIENT
1862 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[1]);
1863 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[0]);
1864 #else /* AFS_64BIT_CLIENT */
1865 ICL_APPENDINT32(logp, (afs_int32) p1);
1866 ICL_APPENDINT32(logp, (afs_int32) 0);
1867 #endif /* AFS_64BIT_CLIENT */
1868 #else /* AFSLITTLE_ENDIAN */
1869 #ifdef AFS_64BIT_CLIENT
1870 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[0]);
1871 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[1]);
1872 #else /* AFS_64BIT_CLIENT */
1873 ICL_APPENDINT32(logp, (afs_int32) 0);
1874 ICL_APPENDINT32(logp, (afs_int32) p1);
1875 #endif /* AFS_64BIT_CLIENT */
1876 #endif /* AFSLITTLE_ENDIAN */
1878 else if (t1 == ICL_TYPE_FID) {
1879 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[0]);
1880 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[1]);
1881 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[2]);
1882 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[3]);
1884 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1885 else if (t1 == ICL_TYPE_INT32)
1886 ICL_APPENDINT32(logp, (afs_int32)p1);
1887 #endif /* AFS_ALPHA_ENV */
1888 else ICL_APPENDLONG(logp, p1);
1891 /* marshall parameter 2 now */
1892 if (t2 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p2);
1893 else if (t2 == ICL_TYPE_HYPER) {
1894 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p2)->high);
1895 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p2)->low);
1897 else if (t2 == ICL_TYPE_INT64) {
1898 #ifdef AFSLITTLE_ENDIAN
1899 #ifdef AFS_64BIT_CLIENT
1900 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[1]);
1901 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[0]);
1902 #else /* AFS_64BIT_CLIENT */
1903 ICL_APPENDINT32(logp, (afs_int32) p2);
1904 ICL_APPENDINT32(logp, (afs_int32) 0);
1905 #endif /* AFS_64BIT_CLIENT */
1906 #else /* AFSLITTLE_ENDIAN */
1907 #ifdef AFS_64BIT_CLIENT
1908 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[0]);
1909 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[1]);
1910 #else /* AFS_64BIT_CLIENT */
1911 ICL_APPENDINT32(logp, (afs_int32) 0);
1912 ICL_APPENDINT32(logp, (afs_int32) p2);
1913 #endif /* AFS_64BIT_CLIENT */
1914 #endif /* AFSLITTLE_ENDIAN */
1916 else if (t2 == ICL_TYPE_FID) {
1917 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[0]);
1918 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[1]);
1919 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[2]);
1920 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[3]);
1922 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1923 else if (t2 == ICL_TYPE_INT32)
1924 ICL_APPENDINT32(logp, (afs_int32)p2);
1925 #endif /* AFS_ALPHA_ENV */
1926 else ICL_APPENDLONG(logp, p2);
1929 /* marshall parameter 3 now */
1930 if (t3 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p3);
1931 else if (t3 == ICL_TYPE_HYPER) {
1932 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p3)->high);
1933 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p3)->low);
1935 else if (t3 == ICL_TYPE_INT64) {
1936 #ifdef AFSLITTLE_ENDIAN
1937 #ifdef AFS_64BIT_CLIENT
1938 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[1]);
1939 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[0]);
1940 #else /* AFS_64BIT_CLIENT */
1941 ICL_APPENDINT32(logp, (afs_int32) p3);
1942 ICL_APPENDINT32(logp, (afs_int32) 0);
1943 #endif /* AFS_64BIT_CLIENT */
1944 #else /* AFSLITTLE_ENDIAN */
1945 #ifdef AFS_64BIT_CLIENT
1946 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[0]);
1947 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[1]);
1948 #else /* AFS_64BIT_CLIENT */
1949 ICL_APPENDINT32(logp, (afs_int32) 0);
1950 ICL_APPENDINT32(logp, (afs_int32) p3);
1951 #endif /* AFS_64BIT_CLIENT */
1952 #endif /* AFSLITTLE_ENDIAN */
1954 else if (t3 == ICL_TYPE_FID) {
1955 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[0]);
1956 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[1]);
1957 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[2]);
1958 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[3]);
1960 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1961 else if (t3 == ICL_TYPE_INT32)
1962 ICL_APPENDINT32(logp, (afs_int32)p3);
1963 #endif /* AFS_ALPHA_ENV */
1964 else ICL_APPENDLONG(logp, p3);
1967 /* marshall parameter 4 now */
1968 if (t4 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p4);
1969 else if (t4 == ICL_TYPE_HYPER) {
1970 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p4)->high);
1971 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p4)->low);
1973 else if (t4 == ICL_TYPE_INT64) {
1974 #ifdef AFSLITTLE_ENDIAN
1975 #ifdef AFS_64BIT_CLIENT
1976 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[1]);
1977 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[0]);
1978 #else /* AFS_64BIT_CLIENT */
1979 ICL_APPENDINT32(logp, (afs_int32) p4);
1980 ICL_APPENDINT32(logp, (afs_int32) 0);
1981 #endif /* AFS_64BIT_CLIENT */
1982 #else /* AFSLITTLE_ENDIAN */
1983 #ifdef AFS_64BIT_CLIENT
1984 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[0]);
1985 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[1]);
1986 #else /* AFS_64BIT_CLIENT */
1987 ICL_APPENDINT32(logp, (afs_int32) 0);
1988 ICL_APPENDINT32(logp, (afs_int32) p4);
1989 #endif /* AFS_64BIT_CLIENT */
1990 #endif /* AFSLITTLE_ENDIAN */
1992 else if (t4 == ICL_TYPE_FID) {
1993 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[0]);
1994 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[1]);
1995 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[2]);
1996 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[3]);
1998 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1999 else if (t4 == ICL_TYPE_INT32)
2000 ICL_APPENDINT32(logp, (afs_int32)p4);
2001 #endif /* AFS_ALPHA_ENV */
2002 else ICL_APPENDLONG(logp, p4);
2004 ReleaseWriteLock(&logp->lock);
2007 /* create a log with size logSize; return it in *outLogpp and tag
2008 * it with name "name."
2010 afs_icl_CreateLog(name, logSize, outLogpp)
2013 struct afs_icl_log **outLogpp;
2015 return afs_icl_CreateLogWithFlags(name, logSize, /*flags*/0, outLogpp);
2018 /* create a log with size logSize; return it in *outLogpp and tag
2019 * it with name "name." 'flags' can be set to make the log unclearable.
2021 afs_icl_CreateLogWithFlags(name, logSize, flags, outLogpp)
2025 struct afs_icl_log **outLogpp;
2027 register struct afs_icl_log *logp;
2029 /* add into global list under lock */
2030 ObtainWriteLock(&afs_icl_lock,183);
2031 if (!afs_icl_inited) afs_icl_Init();
2033 for (logp = afs_icl_allLogs; logp; logp=logp->nextp) {
2034 if (strcmp(logp->name, name) == 0) {
2035 /* found it already created, just return it */
2038 if (flags & ICL_CRLOG_FLAG_PERSISTENT)
2040 ObtainWriteLock(&logp->lock,184);
2041 logp->states |= ICL_LOGF_PERSISTENT;
2042 ReleaseWriteLock(&logp->lock);
2044 ReleaseWriteLock(&afs_icl_lock);
2049 logp = (struct afs_icl_log *)
2050 osi_AllocSmallSpace(sizeof(struct afs_icl_log));
2051 memset((caddr_t)logp, 0, sizeof(*logp));
2054 logp->name = osi_AllocSmallSpace(strlen(name)+1);
2055 strcpy(logp->name, name);
2056 LOCK_INIT(&logp->lock, "logp lock");
2057 logp->logSize = logSize;
2058 logp->datap = (afs_int32 *)0; /* don't allocate it until we need it */
2060 if (flags & ICL_CRLOG_FLAG_PERSISTENT)
2061 logp->states |= ICL_LOGF_PERSISTENT;
2063 logp->nextp = afs_icl_allLogs;
2064 afs_icl_allLogs = logp;
2065 ReleaseWriteLock(&afs_icl_lock);
2071 /* called with a log, a pointer to a buffer, the size of the buffer
2072 * (in *bufSizep), the starting cookie (in *cookiep, use 0 at the start)
2073 * and returns data in the provided buffer, and returns output flags
2074 * in *flagsp. The flag ICL_COPYOUTF_MISSEDSOME is set if we can't
2075 * find the record with cookie value cookie.
2077 afs_icl_CopyOut(logp, bufferp, bufSizep, cookiep, flagsp)
2078 register struct afs_icl_log *logp;
2080 afs_int32 *bufSizep;
2081 afs_uint32 *cookiep;
2084 afs_int32 nwords; /* number of words to copy out */
2085 afs_uint32 startCookie; /* first cookie to use */
2086 register afs_int32 i;
2087 afs_int32 outWords; /* words we've copied out */
2088 afs_int32 inWords; /* max words to copy out */
2089 afs_int32 code; /* return code */
2090 afs_int32 ix; /* index we're copying from */
2091 afs_int32 outFlags; /* return flags */
2092 afs_int32 inFlags; /* flags passed in */
2095 inWords = *bufSizep; /* max to copy out */
2096 outWords = 0; /* amount copied out */
2097 startCookie = *cookiep;
2102 ObtainWriteLock(&logp->lock,185);
2104 ReleaseWriteLock(&logp->lock);
2108 /* first, compute the index of the start cookie we've been passed */
2110 /* (re-)compute where we should start */
2111 if (startCookie < logp->baseCookie) {
2112 if (startCookie) /* missed some output */
2113 outFlags |= ICL_COPYOUTF_MISSEDSOME;
2114 /* skip to the first available record */
2115 startCookie = logp->baseCookie;
2116 *cookiep = startCookie;
2119 /* compute where we find the first element to copy out */
2120 ix = logp->firstUsed + startCookie - logp->baseCookie;
2121 if (ix >= logp->logSize) ix -= logp->logSize;
2123 /* if have some data now, break out and process it */
2124 if (startCookie - logp->baseCookie < logp->logElements) break;
2126 /* At end of log, so clear it if we need to */
2127 if (inFlags & ICL_COPYOUTF_CLRAFTERREAD)
2129 logp->firstUsed = logp->firstFree = 0;
2130 logp->logElements = 0;
2132 /* otherwise, either wait for the data to arrive, or return */
2133 if (!(inFlags & ICL_COPYOUTF_WAITIO)) {
2134 ReleaseWriteLock(&logp->lock);
2138 logp->states |= ICL_LOGF_WAITING;
2139 ReleaseWriteLock(&logp->lock);
2140 afs_osi_Sleep(&logp->lock);
2141 ObtainWriteLock(&logp->lock,186);
2143 /* copy out data from ix to logSize or firstFree, depending
2144 * upon whether firstUsed <= firstFree (no wrap) or otherwise.
2145 * be careful not to copy out more than nwords.
2147 if (ix >= logp->firstUsed) {
2148 if (logp->firstUsed <= logp->firstFree)
2150 end = logp->firstFree; /* first element not to copy */
2152 end = logp->logSize;
2153 nwords = inWords; /* don't copy more than this */
2154 if (end - ix < nwords)
2157 memcpy((char *) bufferp, (char *) &logp->datap[ix], sizeof(afs_int32) * nwords);
2162 /* if we're going to copy more out below, we'll start here */
2165 /* now, if active part of the log has wrapped, there's more stuff
2166 * starting at the head of the log. Copy out more from there.
2168 if (logp->firstUsed > logp->firstFree
2169 && ix < logp->firstFree && inWords > 0) {
2170 /* (more to) copy out from the wrapped section at the
2171 * start of the log. May get here even if didn't copy any
2172 * above, if the cookie points directly into the wrapped section.
2175 if (logp->firstFree - ix < nwords)
2176 nwords = logp->firstFree - ix;
2177 memcpy((char *) bufferp, (char *) &logp->datap[ix], sizeof(afs_int32) * nwords);
2183 ReleaseWriteLock(&logp->lock);
2187 *bufSizep = outWords;
2193 /* return basic parameter information about a log */
2194 afs_icl_GetLogParms(logp, maxSizep, curSizep)
2195 struct afs_icl_log *logp;
2196 afs_int32 *maxSizep;
2197 afs_int32 *curSizep;
2199 ObtainReadLock(&logp->lock);
2200 *maxSizep = logp->logSize;
2201 *curSizep = logp->logElements;
2202 ReleaseReadLock(&logp->lock);
2207 /* hold and release logs */
2208 afs_icl_LogHold(logp)
2209 register struct afs_icl_log *logp;
2211 ObtainWriteLock(&afs_icl_lock,187);
2213 ReleaseWriteLock(&afs_icl_lock);
2217 /* hold and release logs, called with lock already held */
2218 afs_icl_LogHoldNL(logp)
2219 register struct afs_icl_log *logp;
2225 /* keep track of how many sets believe the log itself is allocated */
2226 afs_icl_LogUse(logp)
2227 register struct afs_icl_log *logp;
2229 ObtainWriteLock(&logp->lock,188);
2230 if (logp->setCount == 0) {
2231 /* this is the first set actually using the log -- allocate it */
2232 if (logp->logSize == 0) {
2233 /* we weren't passed in a hint and it wasn't set */
2234 logp->logSize = ICL_DEFAULT_LOGSIZE;
2236 logp->datap = (afs_int32 *) afs_osi_Alloc(sizeof(afs_int32) * logp->logSize);
2237 #ifdef AFS_AIX32_ENV
2238 pin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2242 ReleaseWriteLock(&logp->lock);
2246 /* decrement the number of real users of the log, free if possible */
2247 afs_icl_LogFreeUse(logp)
2248 register struct afs_icl_log *logp;
2250 ObtainWriteLock(&logp->lock,189);
2251 if (--logp->setCount == 0) {
2252 /* no more users -- free it (but keep log structure around)*/
2253 afs_osi_Free(logp->datap, sizeof(afs_int32) * logp->logSize);
2254 #ifdef AFS_AIX32_ENV
2255 unpin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2257 logp->firstUsed = logp->firstFree = 0;
2258 logp->logElements = 0;
2259 logp->datap = (afs_int32 *)0;
2261 ReleaseWriteLock(&logp->lock);
2265 /* set the size of the log to 'logSize' */
2266 afs_icl_LogSetSize(logp, logSize)
2267 register struct afs_icl_log *logp;
2270 ObtainWriteLock(&logp->lock,190);
2272 /* nothing to worry about since it's not allocated */
2273 logp->logSize = logSize;
2277 logp->firstUsed = logp->firstFree = 0;
2278 logp->logElements = 0;
2280 /* free and allocate a new one */
2281 afs_osi_Free(logp->datap, sizeof(afs_int32) * logp->logSize);
2282 #ifdef AFS_AIX32_ENV
2283 unpin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2285 logp->datap = (afs_int32 *) afs_osi_Alloc(sizeof(afs_int32) * logSize);
2286 #ifdef AFS_AIX32_ENV
2287 pin((char *)logp->datap, sizeof(afs_int32) * logSize);
2289 logp->logSize = logSize;
2291 ReleaseWriteLock(&logp->lock);
2296 /* free a log. Called with afs_icl_lock locked. */
2297 afs_icl_ZapLog(logp)
2298 register struct afs_icl_log *logp;
2300 register struct afs_icl_log **lpp, *tp;
2302 for(lpp = &afs_icl_allLogs, tp = *lpp; tp; lpp = &tp->nextp, tp = *lpp) {
2304 /* found the dude we want to remove */
2306 osi_FreeSmallSpace(logp->name);
2307 osi_FreeSmallSpace(logp->datap);
2308 osi_FreeSmallSpace(logp);
2309 break; /* won't find it twice */
2315 /* do the release, watching for deleted entries */
2316 afs_icl_LogRele(logp)
2317 register struct afs_icl_log *logp;
2319 ObtainWriteLock(&afs_icl_lock,191);
2320 if (--logp->refCount == 0 && (logp->states & ICL_LOGF_DELETED)) {
2321 afs_icl_ZapLog(logp); /* destroys logp's lock! */
2323 ReleaseWriteLock(&afs_icl_lock);
2327 /* do the release, watching for deleted entries, log already held */
2328 afs_icl_LogReleNL(logp)
2329 register struct afs_icl_log *logp;
2331 if (--logp->refCount == 0 && (logp->states & ICL_LOGF_DELETED)) {
2332 afs_icl_ZapLog(logp); /* destroys logp's lock! */
2337 /* zero out the log */
2338 afs_icl_ZeroLog(logp)
2339 register struct afs_icl_log *logp;
2341 ObtainWriteLock(&logp->lock,192);
2342 logp->firstUsed = logp->firstFree = 0;
2343 logp->logElements = 0;
2344 logp->baseCookie = 0;
2345 ReleaseWriteLock(&logp->lock);
2349 /* free a log entry, and drop its reference count */
2350 afs_icl_LogFree(logp)
2351 register struct afs_icl_log *logp;
2353 ObtainWriteLock(&logp->lock,193);
2354 logp->states |= ICL_LOGF_DELETED;
2355 ReleaseWriteLock(&logp->lock);
2356 afs_icl_LogRele(logp);
2360 /* find a log by name, returning it held */
2361 struct afs_icl_log *afs_icl_FindLog(name)
2364 register struct afs_icl_log *tp;
2365 ObtainWriteLock(&afs_icl_lock,194);
2366 for(tp = afs_icl_allLogs; tp; tp=tp->nextp) {
2367 if (strcmp(tp->name, name) == 0) {
2368 /* this is the dude we want */
2373 ReleaseWriteLock(&afs_icl_lock);
2377 afs_icl_EnumerateLogs(aproc, arock)
2381 register struct afs_icl_log *tp;
2382 register afs_int32 code;
2385 ObtainWriteLock(&afs_icl_lock,195);
2386 for(tp = afs_icl_allLogs; tp; tp=tp->nextp) {
2387 tp->refCount++; /* hold this guy */
2388 ReleaseWriteLock(&afs_icl_lock);
2389 ObtainReadLock(&tp->lock);
2390 code = (*aproc)(tp->name, arock, tp);
2391 ReleaseReadLock(&tp->lock);
2392 ObtainWriteLock(&afs_icl_lock,196);
2393 if (--tp->refCount == 0)
2397 ReleaseWriteLock(&afs_icl_lock);
2401 struct afs_icl_set *afs_icl_allSets = 0;
2403 afs_icl_CreateSet(name, baseLogp, fatalLogp, outSetpp)
2405 struct afs_icl_log *baseLogp;
2406 struct afs_icl_log *fatalLogp;
2407 struct afs_icl_set **outSetpp;
2409 return afs_icl_CreateSetWithFlags(name, baseLogp, fatalLogp,
2410 /*flags*/0, outSetpp);
2413 /* create a set, given pointers to base and fatal logs, if any.
2414 * Logs are unlocked, but referenced, and *outSetpp is returned
2415 * referenced. Function bumps reference count on logs, since it
2416 * addds references from the new afs_icl_set. When the set is destroyed,
2417 * those references will be released.
2419 afs_icl_CreateSetWithFlags(name, baseLogp, fatalLogp, flags, outSetpp)
2421 struct afs_icl_log *baseLogp;
2422 struct afs_icl_log *fatalLogp;
2424 struct afs_icl_set **outSetpp;
2426 register struct afs_icl_set *setp;
2428 afs_int32 states = ICL_DEFAULT_SET_STATES;
2430 ObtainWriteLock(&afs_icl_lock,197);
2431 if (!afs_icl_inited) afs_icl_Init();
2433 for (setp = afs_icl_allSets; setp; setp = setp->nextp) {
2434 if (strcmp(setp->name, name) == 0) {
2437 if (flags & ICL_CRSET_FLAG_PERSISTENT)
2439 ObtainWriteLock(&setp->lock,198);
2440 setp->states |= ICL_SETF_PERSISTENT;
2441 ReleaseWriteLock(&setp->lock);
2443 ReleaseWriteLock(&afs_icl_lock);
2448 /* determine initial state */
2449 if (flags & ICL_CRSET_FLAG_DEFAULT_ON)
2450 states = ICL_SETF_ACTIVE;
2451 else if (flags & ICL_CRSET_FLAG_DEFAULT_OFF)
2452 states = ICL_SETF_FREED;
2453 if (flags & ICL_CRSET_FLAG_PERSISTENT)
2454 states |= ICL_SETF_PERSISTENT;
2456 setp = (struct afs_icl_set *) afs_osi_Alloc(sizeof(struct afs_icl_set));
2457 memset((caddr_t)setp, 0, sizeof(*setp));
2459 if (states & ICL_SETF_FREED)
2460 states &= ~ICL_SETF_ACTIVE; /* if freed, can't be active */
2461 setp->states = states;
2463 LOCK_INIT(&setp->lock, "setp lock");
2464 /* next lock is obtained in wrong order, hierarchy-wise, but
2465 * it doesn't matter, since no one can find this lock yet, since
2466 * the afs_icl_lock is still held, and thus the obtain can't block.
2468 ObtainWriteLock(&setp->lock,199);
2469 setp->name = osi_AllocSmallSpace(strlen(name)+1);
2470 strcpy(setp->name, name);
2471 setp->nevents = ICL_DEFAULTEVENTS;
2472 setp->eventFlags = afs_osi_Alloc(ICL_DEFAULTEVENTS);
2473 #ifdef AFS_AIX32_ENV
2474 pin((char *)setp->eventFlags, ICL_DEFAULTEVENTS);
2476 for(i=0; i<ICL_DEFAULTEVENTS; i++)
2477 setp->eventFlags[i] = 0xff; /* default to enabled */
2479 /* update this global info under the afs_icl_lock */
2480 setp->nextp = afs_icl_allSets;
2481 afs_icl_allSets = setp;
2482 ReleaseWriteLock(&afs_icl_lock);
2484 /* set's basic lock is still held, so we can finish init */
2486 setp->logs[0] = baseLogp;
2487 afs_icl_LogHold(baseLogp);
2488 if (!(setp->states & ICL_SETF_FREED))
2489 afs_icl_LogUse(baseLogp); /* log is actually being used */
2492 setp->logs[1] = fatalLogp;
2493 afs_icl_LogHold(fatalLogp);
2494 if (!(setp->states & ICL_SETF_FREED))
2495 afs_icl_LogUse(fatalLogp); /* log is actually being used */
2497 ReleaseWriteLock(&setp->lock);
2503 /* function to change event enabling information for a particular set */
2504 afs_icl_SetEnable(setp, eventID, setValue)
2505 struct afs_icl_set *setp;
2511 ObtainWriteLock(&setp->lock,200);
2512 if (!ICL_EVENTOK(setp, eventID)) {
2513 ReleaseWriteLock(&setp->lock);
2516 tp = &setp->eventFlags[ICL_EVENTBYTE(eventID)];
2518 *tp |= ICL_EVENTMASK(eventID);
2520 *tp &= ~(ICL_EVENTMASK(eventID));
2521 ReleaseWriteLock(&setp->lock);
2525 /* return indication of whether a particular event ID is enabled
2526 * for tracing. If *getValuep is set to 0, the event is disabled,
2527 * otherwise it is enabled. All events start out enabled by default.
2529 afs_icl_GetEnable(setp, eventID, getValuep)
2530 struct afs_icl_set *setp;
2534 ObtainReadLock(&setp->lock);
2535 if (!ICL_EVENTOK(setp, eventID)) {
2536 ReleaseWriteLock(&setp->lock);
2539 if (setp->eventFlags[ICL_EVENTBYTE(eventID)] & ICL_EVENTMASK(eventID))
2543 ReleaseReadLock(&setp->lock);
2547 /* hold and release event sets */
2548 afs_icl_SetHold(setp)
2549 register struct afs_icl_set *setp;
2551 ObtainWriteLock(&afs_icl_lock,201);
2553 ReleaseWriteLock(&afs_icl_lock);
2557 /* free a set. Called with afs_icl_lock locked */
2558 afs_icl_ZapSet(setp)
2559 register struct afs_icl_set *setp;
2561 register struct afs_icl_set **lpp, *tp;
2563 register struct afs_icl_log *tlp;
2565 for(lpp = &afs_icl_allSets, tp = *lpp; tp; lpp = &tp->nextp, tp = *lpp) {
2567 /* found the dude we want to remove */
2569 osi_FreeSmallSpace(setp->name);
2570 afs_osi_Free(setp->eventFlags, ICL_DEFAULTEVENTS);
2571 #ifdef AFS_AIX32_ENV
2572 unpin((char *)setp->eventFlags, ICL_DEFAULTEVENTS);
2574 for(i=0; i < ICL_LOGSPERSET; i++) {
2575 if (tlp = setp->logs[i])
2576 afs_icl_LogReleNL(tlp);
2578 osi_FreeSmallSpace(setp);
2579 break; /* won't find it twice */
2585 /* do the release, watching for deleted entries */
2586 afs_icl_SetRele(setp)
2587 register struct afs_icl_set *setp;
2589 ObtainWriteLock(&afs_icl_lock,202);
2590 if (--setp->refCount == 0 && (setp->states & ICL_SETF_DELETED)) {
2591 afs_icl_ZapSet(setp); /* destroys setp's lock! */
2593 ReleaseWriteLock(&afs_icl_lock);
2597 /* free a set entry, dropping its reference count */
2598 afs_icl_SetFree(setp)
2599 register struct afs_icl_set *setp;
2601 ObtainWriteLock(&setp->lock,203);
2602 setp->states |= ICL_SETF_DELETED;
2603 ReleaseWriteLock(&setp->lock);
2604 afs_icl_SetRele(setp);
2608 /* find a set by name, returning it held */
2609 struct afs_icl_set *afs_icl_FindSet(name)
2612 register struct afs_icl_set *tp;
2613 ObtainWriteLock(&afs_icl_lock,204);
2614 for(tp = afs_icl_allSets; tp; tp=tp->nextp) {
2615 if (strcmp(tp->name, name) == 0) {
2616 /* this is the dude we want */
2621 ReleaseWriteLock(&afs_icl_lock);
2625 /* zero out all the logs in the set */
2626 afs_icl_ZeroSet(setp)
2627 struct afs_icl_set *setp;
2632 struct afs_icl_log *logp;
2634 ObtainReadLock(&setp->lock);
2635 for(i = 0; i < ICL_LOGSPERSET; i++) {
2636 logp = setp->logs[i];
2638 afs_icl_LogHold(logp);
2639 tcode = afs_icl_ZeroLog(logp);
2640 if (tcode != 0) code = tcode; /* save the last bad one */
2641 afs_icl_LogRele(logp);
2644 ReleaseReadLock(&setp->lock);
2648 afs_icl_EnumerateSets(aproc, arock)
2652 register struct afs_icl_set *tp, *np;
2653 register afs_int32 code;
2656 ObtainWriteLock(&afs_icl_lock,205);
2657 for(tp = afs_icl_allSets; tp; tp=np) {
2658 tp->refCount++; /* hold this guy */
2659 ReleaseWriteLock(&afs_icl_lock);
2660 code = (*aproc)(tp->name, arock, tp);
2661 ObtainWriteLock(&afs_icl_lock,206);
2662 np = tp->nextp; /* tp may disappear next, but not np */
2663 if (--tp->refCount == 0 && (tp->states & ICL_SETF_DELETED))
2667 ReleaseWriteLock(&afs_icl_lock);
2671 afs_icl_AddLogToSet(setp, newlogp)
2672 struct afs_icl_set *setp;
2673 struct afs_icl_log *newlogp;
2677 struct afs_icl_log *logp;
2679 ObtainWriteLock(&setp->lock,207);
2680 for(i = 0; i < ICL_LOGSPERSET; i++) {
2681 if (!setp->logs[i]) {
2682 setp->logs[i] = newlogp;
2684 afs_icl_LogHold(newlogp);
2685 if (!(setp->states & ICL_SETF_FREED)) {
2686 /* bump up the number of sets using the log */
2687 afs_icl_LogUse(newlogp);
2692 ReleaseWriteLock(&setp->lock);
2696 afs_icl_SetSetStat(setp, op)
2697 struct afs_icl_set *setp;
2702 struct afs_icl_log *logp;
2704 ObtainWriteLock(&setp->lock,208);
2706 case ICL_OP_SS_ACTIVATE: /* activate a log */
2708 * If we are not already active, see if we have released
2709 * our demand that the log be allocated (FREED set). If
2710 * we have, reassert our desire.
2712 if (!(setp->states & ICL_SETF_ACTIVE)) {
2713 if (setp->states & ICL_SETF_FREED) {
2714 /* have to reassert desire for logs */
2715 for(i = 0; i < ICL_LOGSPERSET; i++) {
2716 logp = setp->logs[i];
2718 afs_icl_LogHold(logp);
2719 afs_icl_LogUse(logp);
2720 afs_icl_LogRele(logp);
2723 setp->states &= ~ICL_SETF_FREED;
2725 setp->states |= ICL_SETF_ACTIVE;
2730 case ICL_OP_SS_DEACTIVATE: /* deactivate a log */
2731 /* this doesn't require anything beyond clearing the ACTIVE flag */
2732 setp->states &= ~ICL_SETF_ACTIVE;
2736 case ICL_OP_SS_FREE: /* deassert design for log */
2738 * if we are already in this state, do nothing; otherwise
2739 * deassert desire for log
2741 if (setp->states & ICL_SETF_ACTIVE)
2744 if (!(setp->states & ICL_SETF_FREED)) {
2745 for(i = 0; i < ICL_LOGSPERSET; i++) {
2746 logp = setp->logs[i];
2748 afs_icl_LogHold(logp);
2749 afs_icl_LogFreeUse(logp);
2750 afs_icl_LogRele(logp);
2753 setp->states |= ICL_SETF_FREED;
2762 ReleaseWriteLock(&setp->lock);