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 bzero(afs_zeros, 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);
198 exit(CLD_EXITED, code);
202 else if (parm == AFSOP_START_AFS) {
206 if (AFS_Running) goto out;
208 while (afs_initState < AFSOP_START_AFS)
209 afs_osi_Sleep(&afs_initState);
211 #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)
212 temp = AFS_MINBUFFERS; /* Should fix this soon */
214 temp = ((afs_bufferpages * NBPG)>>11); /* number of 2k buffers we could get from all of the buffer space */
215 temp = temp>>2; /* don't take more than 25% (our magic parameter) */
216 if (temp < AFS_MINBUFFERS) temp = AFS_MINBUFFERS; /* although we really should have this many */
219 afs_initState = AFSOP_START_BKG;
220 afs_osi_Wakeup(&afs_initState);
228 else if (parm == AFSOP_START_CS) {
230 afs_CheckServerDaemon();
236 else if (parm == AFSOP_START_BKG) {
237 while (afs_initState < AFSOP_START_BKG)
238 afs_osi_Sleep(&afs_initState);
239 if (afs_initState < AFSOP_GO) {
240 afs_initState = AFSOP_GO;
241 afs_osi_Wakeup(&afs_initState);
243 /* start the bkg daemon */
247 afs_BioDaemon(parm2);
250 afs_BackgroundDaemon();
256 else if (parm == AFSOP_START_TRUNCDAEMON) {
257 while (afs_initState < AFSOP_GO)
258 afs_osi_Sleep(&afs_initState);
259 /* start the bkg daemon */
261 afs_CacheTruncateDaemon();
267 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
268 else if (parm == AFSOP_RXEVENT_DAEMON) {
269 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
271 afs_rxevent_daemon();
278 else if (parm == AFSOP_ADDCELL) {
279 /* add a cell. Parameter 2 is 8 hosts (in net order), parm 3 is the null-terminated
280 name. Parameter 4 is the length of the name, including the null. Parm 5 is the
281 home cell flag (0x1 bit) and the nosuid flag (0x2 bit) */
282 struct afsop_cell tcell;
284 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
285 AFS_COPYIN((char *)parm2, (char *)tcell.hosts, sizeof(tcell.hosts), code);
287 if (parm4 > sizeof(tcell.cellName))
290 AFS_COPYIN((char *)parm3, tcell.cellName, parm4, code);
292 afs_NewCell(tcell.cellName, tcell.hosts, parm5,
293 (char *)0, (u_short)0, (u_short)0, (int)0);
296 } else if (parm == AFSOP_ADDCELL2) {
297 struct afsop_cell tcell;
298 char *tbuffer = osi_AllocSmallSpace(AFS_SMALLOCSIZ), *lcnamep = 0;
299 char *tbuffer1 = osi_AllocSmallSpace(AFS_SMALLOCSIZ), *cnamep = 0;
300 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
302 #else /* AFS_SGI61_ENV */
304 #endif /* AFS_SGI61_ENV */
307 /* wait for basic init */
308 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
310 AFS_COPYIN((char *)parm2, (char *)tcell.hosts, sizeof(tcell.hosts), code);
312 AFS_COPYINSTR((char *)parm3, tbuffer1, AFS_SMALLOCSIZ, &bufferSize, code);
315 AFS_COPYINSTR((char *)parm5, tbuffer, AFS_SMALLOCSIZ, &bufferSize, code);
318 cflags |= CLinkedCell;
322 afs_NewCell(tbuffer1, tcell.hosts, cflags,
323 lcnamep, (u_short)0, (u_short)0, (int)0);
326 osi_FreeSmallSpace(tbuffer);
327 osi_FreeSmallSpace(tbuffer1);
329 else if (parm == AFSOP_CACHEINIT) {
330 struct afs_cacheParams cparms;
332 if (afs_CacheInit_Done) goto out;
334 /* wait for basic init */
335 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
336 AFS_COPYIN((char *)parm2, (caddr_t) &cparms, sizeof(cparms), code);
338 #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)
346 afs_CacheInit_Done = 1;
348 struct afs_icl_log *logp;
349 /* initialize the ICL system */
350 code = afs_icl_CreateLog("cmfx", 60*1024, &logp);
352 code = afs_icl_CreateSetWithFlags("cm", logp,
353 (struct icl_log *) 0,
354 ICL_CRSET_FLAG_DEFAULT_OFF,
356 code = afs_icl_CreateSet("cmlongterm", logp, (struct icl_log*) 0,
357 &afs_iclLongTermSetp);
359 afs_setTime = cparms.setTimeFlag;
361 code = afs_CacheInit(cparms.cacheScaches,
372 else if (parm == AFSOP_CACHEINODE) {
373 ino_t ainode = parm2;
374 /* wait for basic init */
375 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
379 ainode = (ainode << 32) | (parm3 & 0xffffffff);
381 code = afs_InitCacheFile((char *) 0, ainode);
383 else if (parm == AFSOP_ROOTVOLUME) {
384 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
386 #else /* AFS_SGI61_ENV */
388 #endif /* AFS_SGI61_ENV */
390 /* wait for basic init */
391 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
394 AFS_COPYINSTR((char *)parm2, afs_rootVolumeName, sizeof(afs_rootVolumeName), &bufferSize, code);
395 afs_rootVolumeName[sizeof(afs_rootVolumeName)-1] = 0;
399 else if (parm == AFSOP_CACHEFILE || parm == AFSOP_CACHEINFO ||
400 parm == AFSOP_VOLUMEINFO || parm == AFSOP_AFSLOG) {
401 char *tbuffer = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
402 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
404 #else /* AFS_SGI61_ENV */
406 #endif /* AFS_SGI61_ENV */
408 /* wait for basic init */
409 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
411 AFS_COPYINSTR((char *)parm2, tbuffer, AFS_SMALLOCSIZ, &bufferSize, code);
413 osi_FreeSmallSpace(tbuffer);
417 tbuffer[AFS_SMALLOCSIZ-1] = 0; /* null-terminate the name */
418 /* we now have the cache dir copied in. Call the cache init routines */
419 if (parm == AFSOP_CACHEFILE) code = afs_InitCacheFile(tbuffer, 0);
420 else if (parm == AFSOP_CACHEINFO) code = afs_InitCacheInfo(tbuffer);
421 else if (parm == AFSOP_VOLUMEINFO) code = afs_InitVolumeInfo(tbuffer);
423 osi_FreeSmallSpace(tbuffer);
425 else if (parm == AFSOP_GO) {
426 /* the generic initialization calls come here. One parameter: should we do the
427 set-time operation on this workstation */
428 if (afs_Go_Done) goto out;
430 while (afs_initState < AFSOP_GO) afs_osi_Sleep(&afs_initState);
433 afs_osi_Wakeup(&afs_initState);
434 #if (!defined(AFS_NONFSTRANS) && !defined(AFS_DEC_ENV)) || defined(AFS_AIX_IAUTH_ENV)
435 afs_nfsclient_init();
437 printf("found %d non-empty cache files (%d%%).\n", afs_stats_cmperf.cacheFilesReused,
438 (100*afs_stats_cmperf.cacheFilesReused) /
439 (afs_stats_cmperf.cacheNumEntries?afs_stats_cmperf.cacheNumEntries : 1));
441 else if (parm == AFSOP_ADVISEADDR) {
442 /* pass in the host address to the rx package */
443 afs_int32 count = parm2;
444 afs_int32 buffer[AFS_MAX_INTERFACE_ADDR];
445 afs_int32 maskbuffer[AFS_MAX_INTERFACE_ADDR];
446 afs_int32 mtubuffer[AFS_MAX_INTERFACE_ADDR];
450 if ( count > AFS_MAX_INTERFACE_ADDR ) {
452 count = AFS_MAX_INTERFACE_ADDR;
455 AFS_COPYIN( (char *)parm3, (char *)buffer, count*sizeof(afs_int32), code);
457 AFS_COPYIN((char *)parm4, (char *)maskbuffer, count*sizeof(afs_int32), code);
459 AFS_COPYIN((char *)parm5, (char *)mtubuffer, count*sizeof(afs_int32), code);
461 afs_cb_interface.numberOfInterfaces = count;
462 for (i=0; i < count ; i++) {
463 afs_cb_interface.addr_in[i] = buffer[i];
464 #ifdef AFS_USERSPACE_IP_ADDR
465 /* AFS_USERSPACE_IP_ADDR means we have no way of finding the
466 * machines IP addresses when in the kernel (the in_ifaddr
467 * struct is not available), so we pass the info in at
468 * startup. We also pass in the subnetmask and mtu size. The
469 * subnetmask is used when setting the rank:
470 * afsi_SetServerIPRank(); and the mtu size is used when
471 * finding the best mtu size. rxi_FindIfnet() is replaced
472 * with rxi_Findcbi().
474 afs_cb_interface.subnetmask[i] = (parm4 ? maskbuffer[i] : 0xffffffff);
475 afs_cb_interface.mtu[i] = (parm5 ? mtubuffer[i] : htonl(1500));
478 afs_uuid_create(&afs_cb_interface.uuid);
479 rxi_setaddr(buffer[0]);
483 else if (parm == AFSOP_NFSSTATICADDR) {
484 extern int (*nfs_rfsdisptab_v2)();
485 nfs_rfsdisptab_v2 = (int (*)())parm2;
487 else if (parm == AFSOP_NFSSTATICADDR2) {
488 extern int (*nfs_rfsdisptab_v2)();
490 nfs_rfsdisptab_v2 = (int (*)())((parm2<<32) | (parm3 & 0xffffffff));
492 nfs_rfsdisptab_v2 = (int (*)())(parm3 & 0xffffffff);
495 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
496 else if (parm == AFSOP_SBLOCKSTATICADDR2) {
497 extern int (*afs_sblockp)();
498 extern void (*afs_sbunlockp)();
500 afs_sblockp = (int (*)())((parm2<<32) | (parm3 & 0xffffffff));
501 afs_sbunlockp = (void (*)())((parm4<<32) | (parm5 & 0xffffffff));
503 afs_sblockp = (int (*)())(parm3 & 0xffffffff);
504 afs_sbunlockp = (void (*)())(parm5 & 0xffffffff);
507 #endif /* AFS_SGI62_ENV && !AFS_SGI65_ENV */
508 #endif /* AFS_SGI53_ENV */
509 else if (parm == AFSOP_SHUTDOWN) {
510 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
511 extern struct mount *afs_globalVFS;
512 #else /* AFS_OSF_ENV */
513 extern struct vfs *afs_globalVFS;
515 afs_cold_shutdown = 0;
516 if (parm == 1) afs_cold_shutdown = 1;
517 if (afs_globalVFS != 0) {
518 afs_warn("AFS isn't unmounted yet! Call aborted\n");
524 #if ! defined(AFS_HPUX90_ENV) || defined(AFS_HPUX100_ENV)
525 else if (parm == AFSOP_AFS_VFSMOUNT) {
527 #if defined(AFS_HPUX100_ENV)
528 vfsmount(parm2, parm3, parm4, parm5);
530 afs_vfs_mount(parm2, parm3, parm4, parm5);
531 #endif /* AFS_HPUX100_ENV */
532 #else /* defined(AFS_HPUX_ENV) */
533 #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)
538 #endif /* defined(AFS_HPUX_ENV) */
541 else if (parm == AFSOP_CLOSEWAIT) {
542 afs_SynchronousCloses = 'S';
544 else if (parm == AFSOP_GETMTU) {
546 #if !defined(AFS_SUN5_ENV) && !defined(AFS_LINUX20_ENV)
547 #ifdef AFS_USERSPACE_IP_ADDR
549 i = rxi_Findcbi(parm2);
550 mtu = ((i == -1) ? htonl(1500) : afs_cb_interface.mtu[i]);
551 #else /* AFS_USERSPACE_IP_ADDR */
553 struct in_ifaddr *tifadp = (struct in_ifaddr *) 0;
554 extern struct ifnet *rxi_FindIfnet();
556 tifnp = rxi_FindIfnet(parm2, &tifadp); /* make iterative */
557 mtu = (tifnp ? tifnp->if_mtu : htonl(1500));
558 #endif /* else AFS_USERSPACE_IP_ADDR */
559 #endif /* !AFS_SUN5_ENV */
561 AFS_COPYOUT ((caddr_t)&mtu, (caddr_t)parm3, sizeof(afs_int32), code);
563 /* this is disabled for now because I can't figure out how to get access
564 * to these kernel variables. It's only for supporting user-mode rx
565 * programs -- it makes a huge difference on the 220's in my testbed,
566 * though I don't know why. The bosserver does this with /etc/no, so it's
567 * being handled a different way for the servers right now. */
570 extern u_long sb_max_dflt;
573 if (sb_max_dflt < 131072) sb_max_dflt = 131072;
574 if (sb_max < 131072) sb_max = 131072;
577 #endif /* AFS_AIX32_ENV */
579 else if (parm == AFSOP_GETMASK) { /* parm2 == addr in net order */
581 #if !defined(AFS_SUN5_ENV)
582 #ifdef AFS_USERSPACE_IP_ADDR
584 i = rxi_Findcbi(parm2);
586 mask = afs_cb_interface.subnetmask[i];
590 #else /* AFS_USERSPACE_IP_ADDR */
592 struct in_ifaddr *tifadp = (struct in_ifaddr *) 0;
593 extern struct ifnet *rxi_FindIfnet();
594 tifnp = rxi_FindIfnet(parm2, &tifadp); /* make iterative */
595 if (tifnp && tifadp) {
596 mask = tifadp->ia_subnetmask;
600 #endif /* else AFS_USERSPACE_IP_ADDR */
601 #endif /* !AFS_SUN5_ENV */
603 AFS_COPYOUT ((caddr_t)&mask, (caddr_t)parm3, sizeof(afs_int32), code);
606 else if (parm == AFSOP_AFSDB_HANDLER) {
607 int sizeArg = (int)parm4;
608 int kmsgLen = sizeArg & 0xffff;
609 int cellLen = (sizeArg & 0xffff0000) >> 16;
610 afs_int32 *kmsg = afs_osi_Alloc(kmsgLen);
611 char *cellname = afs_osi_Alloc(cellLen);
612 AFS_COPYIN((afs_int32 *)parm3, kmsg, kmsgLen, code);
613 if (!code) code = afs_AfsdbHandler(cellname, cellLen, kmsg);
614 if (!code) AFS_COPYOUT(cellname, (char *)parm2, cellLen, code);
615 afs_osi_Free(kmsg, kmsgLen);
616 afs_osi_Free(cellname, cellLen);
624 #ifdef AFS_LINUX20_ENV
633 #include "sys/lockl.h"
636 * syscall - this is the VRMIX system call entry point.
639 * THIS SHOULD BE CHANGED TO afs_syscall(), but requires
640 * all the user-level calls to `syscall' to change.
642 syscall(syscall, p1, p2, p3, p4, p5, p6) {
643 register rval1=0, code;
646 #ifndef AFS_AIX41_ENV
647 extern lock_t kernel_lock;
648 monster = lockl(&kernel_lock, LOCK_SHORT);
649 #endif /* !AFS_AIX41_ENV */
651 AFS_STATCNT(syscall);
655 rval1 = afs_syscall_call(p1, p2, p3, p4, p5, p6);
660 rval1 = afs_setpag();
666 rval1 = afs_syscall_pioctl(p1, p2, p3, p4);
670 case AFSCALL_ICREATE:
671 rval1 = afs_syscall_icreate(p1, p2, p3, p4, p5, p6);
675 rval1 = afs_syscall_iopen(p1, p2, p3);
679 rval1 = afs_syscall_iincdec(p1, p2, p3, -1);
683 rval1 = afs_syscall_iincdec(p1, p2, p3, 1);
688 code = Afscall_icl(p1, p2, p3, p4, p5, &retval);
690 if (!code) rval1 = retval;
691 if (!rval1) rval1 = code;
701 #ifndef AFS_AIX41_ENV
702 if (monster != LOCK_NEST)
703 unlockl(&kernel_lock);
704 #endif /* !AFS_AIX41_ENV */
705 return getuerror() ? -1 : rval1;
709 * lsetpag - interface to afs_setpag().
713 AFS_STATCNT(lsetpag);
714 return syscall(AFSCALL_SETPAG, 0, 0, 0, 0, 0);
718 * lpioctl - interface to pioctl()
720 lpioctl(path, cmd, cmarg, follow)
721 char *path, *cmarg; {
723 AFS_STATCNT(lpioctl);
724 return syscall(AFSCALL_PIOCTL, path, cmd, cmarg, follow);
727 #else /* !AFS_AIX32_ENV */
729 #if defined(AFS_SGI_ENV)
742 Afs_syscall (struct afsargs *uap, rval_t *rvp)
747 AFS_STATCNT(afs_syscall);
748 switch(uap->syscall) {
752 error=Afscall_icl(uap->parm1,uap->parm2,uap->parm3,uap->parm4,uap->parm5, &retval);
754 rvp->r_val1 = retval;
756 #ifdef AFS_SGI_XFS_IOPS_ENV
758 error = afs_syscall_idec64(uap->parm1, uap->parm2, uap->parm3,
759 uap->parm4, uap->parm5);
762 error = afs_syscall_iinc64(uap->parm1, uap->parm2, uap->parm3,
763 uap->parm4, uap->parm5);
765 case AFSCALL_ILISTINODE64:
766 error = afs_syscall_ilistinode64(uap->parm1, uap->parm2, uap->parm3,
767 uap->parm4, uap->parm5);
769 case AFSCALL_ICREATENAME64:
770 error = afs_syscall_icreatename64(uap->parm1, uap->parm2, uap->parm3,
771 uap->parm4, uap->parm5);
774 #ifdef AFS_SGI_VNODE_GLUE
775 case AFSCALL_INIT_KERNEL_CONFIG:
776 error = afs_init_kernel_config(uap->parm1);
780 error = afs_syscall_call(uap->syscall, uap->parm1, uap->parm2,
781 uap->parm3, uap->parm4, uap->parm5);
786 #else /* AFS_SGI_ENV */
804 iparam32_to_iparam(const struct iparam32 *src, struct iparam *dst)
806 dst->param1 = src->param1;
807 dst->param2 = src->param2;
808 dst->param3 = src->param3;
809 dst->param4 = src->param4;
813 * If you need to change copyin_iparam(), you may also need to change
814 * copyin_afs_ioctl().
818 copyin_iparam(caddr_t cmarg, struct iparam *dst)
822 #if defined(AFS_HPUX_64BIT_ENV)
823 struct iparam32 dst32;
825 if (is_32bit(u.u_procp)) /* is_32bit() in proc_iface.h */
827 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
829 iparam32_to_iparam(&dst32, dst);
832 #endif /* AFS_HPUX_64BIT_ENV */
834 #if defined(AFS_SUN57_64BIT_ENV)
835 struct iparam32 dst32;
837 if (get_udatamodel() == DATAMODEL_ILP32) {
838 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
840 iparam32_to_iparam(&dst32, dst);
843 #endif /* AFS_SUN57_64BIT_ENV */
845 #if defined(AFS_LINUX_64BIT_KERNEL) && !defined(AFS_ALPHA_LINUX20_ENV)
846 struct iparam32 dst32;
848 #ifdef AFS_SPARC64_LINUX24_ENV
849 if (current->thread.flags & SPARC_FLAG_32BIT)
850 #elif AFS_SPARC64_LINUX20_ENV
851 if (current->tss.flags & SPARC_FLAG_32BIT)
853 #error Not done for this linux version
854 #endif /* AFS_SPARC64_LINUX20_ENV */
856 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
858 iparam32_to_iparam(&dst32, dst);
861 #endif /* AFS_LINUX_64BIT_KERNEL */
863 AFS_COPYIN(cmarg, (caddr_t) dst, sizeof *dst, code);
867 /* Main entry of all afs system calls */
869 extern int afs_sinited;
871 /** The 32 bit OS expects the members of this structure to be 32 bit
872 * quantities and the 64 bit OS expects them as 64 bit quanties. Hence
873 * to accomodate both, *long* is used instead of afs_int32
898 Afs_syscall (uap, rvp)
899 register struct afssysa *uap;
902 int *retval = &rvp->r_val1;
903 #else /* AFS_SUN5_ENV */
904 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
905 afs3_syscall(p, args, retval)
918 } *uap = (struct a *)args;
919 #else /* AFS_OSF_ENV */
920 #ifdef AFS_LINUX20_ENV
928 long parm6; /* not actually used - should be removed */
930 /* Linux system calls only set up for 5 arguments. */
931 asmlinkage int afs_syscall(long syscall, long parm1, long parm2, long parm3,
934 struct afssysargs args, *uap = &args;
936 long *retval = &linux_ret;
937 long eparm[4]; /* matches AFSCALL_ICL in fstrace.c */
950 } *uap = (struct a *)u.u_ap;
952 #if defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
956 #endif /* SUN && !SUN5 */
966 } *uap = (struct a *)u.u_ap;
968 #if defined(AFS_DEC_ENV)
969 int *retval = &u.u_r.r_val1;
971 #if defined(AFS_HPUX_ENV)
972 long *retval = &u.u_rval1;
974 int *retval = &u.u_rval1;
977 #endif /* AFS_LINUX20_ENV */
978 #endif /* AFS_OSF_ENV */
979 #endif /* AFS_SUN5_ENV */
980 register int code = 0;
982 AFS_STATCNT(afs_syscall);
989 #ifdef AFS_LINUX20_ENV
991 /* setup uap for use below - pull out the magic decoder ring to know
992 * which syscalls have folded argument lists.
994 uap->syscall = syscall;
998 if (syscall == AFSCALL_ICL) {
999 AFS_COPYIN((char*)parm4, (char*)eparm, sizeof(eparm), code);
1000 uap->parm4 = eparm[0];
1001 uap->parm5 = eparm[1];
1002 uap->parm6 = eparm[2];
1011 #if defined(AFS_HPUX_ENV)
1013 * There used to be code here (duplicated from osi_Init()) for
1014 * initializing the semaphore used by AFS_GLOCK(). Was the
1015 * duplication to handle the case of a dynamically loaded kernel
1020 if (uap->syscall == AFSCALL_CALL) {
1022 code = afs_syscall_call(uap->parm1, uap->parm2, uap->parm3,
1023 uap->parm4, uap->parm5, uap->parm6, rvp, CRED());
1025 code = afs_syscall_call(uap->parm1, uap->parm2, uap->parm3, uap->parm4, uap->parm5, uap->parm6);
1027 } else if (uap->syscall == AFSCALL_SETPAG) {
1030 register proc_t *procp;
1032 procp = ttoproc(curthread);
1033 mutex_enter(&procp->p_crlock);
1034 cred = procp->p_cred;
1036 code = afs_setpag(&cred);
1038 procp->p_cred = cred;
1039 mutex_exit(&procp->p_crlock);
1042 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1043 code = afs_setpag(p, args, retval);
1044 #else /* AFS_OSF_ENV */
1045 code = afs_setpag();
1049 } else if (uap->syscall == AFSCALL_PIOCTL) {
1052 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, rvp, CRED());
1054 #if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1055 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, p->p_cred->pc_ucred);
1057 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4);
1061 } else if (uap->syscall == AFSCALL_ICREATE) {
1062 struct iparam iparams;
1064 code = copyin_iparam((char *)uap->parm3, &iparams);
1066 #if !defined(AFS_SUN5_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1071 code = afs_syscall_icreate(uap->parm1, uap->parm2, iparams.param1, iparams.param2,
1072 iparams.param3, iparams.param4, rvp, CRED());
1074 code = afs_syscall_icreate(uap->parm1, uap->parm2, iparams.param1, iparams.param2,
1075 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1076 iparams.param3, iparams.param4, retval);
1078 iparams.param3, iparams.param4);
1080 #endif /* AFS_SUN5_ENV */
1081 } else if (uap->syscall == AFSCALL_IOPEN) {
1083 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3, rvp, CRED());
1085 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1086 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3, retval);
1088 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3);
1090 #endif /* AFS_SUN5_ENV */
1091 } else if (uap->syscall == AFSCALL_IDEC) {
1093 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, -1, rvp, CRED());
1095 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, -1);
1096 #endif /* AFS_SUN5_ENV */
1097 } else if (uap->syscall == AFSCALL_IINC) {
1099 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, 1, rvp, CRED());
1101 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, 1);
1102 #endif /* AFS_SUN5_ENV */
1103 } else if (uap->syscall == AFSCALL_ICL) {
1105 code = Afscall_icl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, uap->parm5, retval);
1107 #ifdef AFS_LINUX20_ENV
1109 /* ICL commands can return values. */
1110 code = -linux_ret; /* Gets negated again at exit below */
1114 #if !defined(AFS_SUN5_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1118 #endif /* !AFS_LINUX20_ENV */
1120 #if defined(AFS_SUN5_ENV) || defined(AFS_OSF_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1124 #endif /* AFS_SUN5_ENV */
1127 #ifdef AFS_LINUX20_ENV
1133 #endif /* AFS_SGI_ENV */
1134 #endif /* !AFS_AIX32_ENV */
1137 * Initstate in the range 0 < x < 100 are early initialization states.
1138 * Initstate of 100 means a AFSOP_START operation has been done. After this,
1139 * the cache may be initialized.
1140 * Initstate of 101 means a AFSOP_GO operation has been done. This operation
1141 * is done after all the cache initialization has been done.
1142 * Initstate of 200 means that the volume has been looked up once, possibly
1144 * Initstate of 300 means that the volume has been *successfully* looked up.
1147 register int code = 0;
1149 AFS_STATCNT(afs_CheckInit);
1150 if (afs_initState <= 100)
1151 code = ENXIO; /* never finished init phase */
1152 else if (afs_initState == 101) { /* init done, wait for afs_daemon */
1153 while (afs_initState < 200) afs_osi_Sleep(&afs_initState);
1154 } else if (afs_initState == 200)
1155 code = ETIMEDOUT; /* didn't find root volume */
1159 int afs_shuttingdown = 0;
1163 extern short afs_brsDaemons;
1164 extern afs_int32 afs_CheckServerDaemonStarted;
1165 extern struct afs_osi_WaitHandle AFS_WaitHandler, AFS_CSWaitHandler;
1166 extern struct osi_file *afs_cacheInodep;
1168 AFS_STATCNT(afs_shutdown);
1169 if (afs_shuttingdown) return;
1170 afs_shuttingdown = 1;
1171 if (afs_cold_shutdown) afs_warn("COLD ");
1172 else afs_warn("WARM ");
1173 afs_warn("shutting down of: CB... ");
1175 afs_termState = AFSOP_STOP_RXCALLBACK;
1176 rx_WakeupServerProcs();
1177 /* shutdown_rxkernel(); */
1178 while (afs_termState == AFSOP_STOP_RXCALLBACK)
1179 afs_osi_Sleep(&afs_termState);
1181 afs_warn("afs... ");
1182 while (afs_termState == AFSOP_STOP_AFS) {
1183 afs_osi_CancelWait(&AFS_WaitHandler);
1184 afs_osi_Sleep(&afs_termState);
1186 if (afs_CheckServerDaemonStarted) {
1187 while (afs_termState == AFSOP_STOP_CS) {
1188 afs_osi_CancelWait(&AFS_CSWaitHandler);
1189 afs_osi_Sleep(&afs_termState);
1192 afs_warn("BkG... ");
1193 /* Wake-up afs_brsDaemons so that we don't have to wait for a bkg job! */
1194 while (afs_termState == AFSOP_STOP_BKG) {
1195 afs_osi_Wakeup(&afs_brsDaemons);
1196 afs_osi_Sleep(&afs_termState);
1198 afs_warn("CTrunc... ");
1199 /* Cancel cache truncate daemon. */
1200 while (afs_termState == AFSOP_STOP_TRUNCDAEMON) {
1201 afs_osi_Wakeup((char*)&afs_CacheTruncateDaemon);
1202 afs_osi_Sleep(&afs_termState);
1204 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
1205 afs_warn("RxEvent... ");
1206 /* cancel rx event deamon */
1207 while (afs_termState == AFSOP_STOP_RXEVENT)
1208 afs_osi_Sleep(&afs_termState);
1209 #if defined(RXK_LISTENER_ENV)
1210 afs_warn("RxListener... ");
1211 /* cancel rx listener */
1212 osi_StopListener(); /* This closes rx_socket. */
1213 while (afs_termState == AFSOP_STOP_RXK_LISTENER)
1214 afs_osi_Sleep(&afs_termState);
1217 afs_termState = AFSOP_STOP_COMPLETE;
1221 /* Close file only after daemons which can write to it are stopped. */
1222 if (afs_cacheInodep) /* memcache won't set this */
1224 osi_UFSClose(afs_cacheInodep); /* Since we always leave it open */
1225 afs_cacheInodep = 0;
1227 return; /* Just kill daemons for now */
1231 shutdown_rxkernel();
1235 shutdown_bufferpackage();
1241 shutdown_vnodeops();
1243 shutdown_exporter();
1244 shutdown_memcache();
1245 #if !defined(AFS_NONFSTRANS) || defined(AFS_AIX_IAUTH_ENV)
1246 #if !defined(AFS_DEC_ENV) && !defined(AFS_OSF_ENV)
1247 /* this routine does not exist in Ultrix systems... 93.01.19 */
1249 #endif /* AFS_DEC_ENV */
1252 /* The following hold the cm stats */
1254 bzero(&afs_cmstats, sizeof(struct afs_CMStats));
1255 bzero(&afs_stats_cmperf, sizeof(struct afs_stats_CMPerf));
1256 bzero(&afs_stats_cmfullperf, sizeof(struct afs_stats_CMFullPerf));
1258 afs_warn(" ALL allocated tables\n");
1259 afs_shuttingdown = 0;
1265 AFS_STATCNT(shutdown_afstest);
1266 afs_initState = afs_termState = afs_setTime = 0;
1267 AFS_Running = afs_CB_Running = 0;
1268 afs_CacheInit_Done = afs_Go_Done = 0;
1269 if (afs_cold_shutdown) {
1270 *afs_rootVolumeName = 0;
1275 /* In case there is a bunch of dynamically build bkg daemons to free */
1277 { AFS_STATCNT(shutdown_BKG); }
1280 #if defined(AFS_ALPHA_ENV) || defined(AFS_SGI61_ENV)
1281 /* For SGI 6.2, this can is changed to 1 if it's a 32 bit kernel. */
1282 #if defined(AFS_SGI62_ENV) && defined(KERNEL) && !defined(_K64U64)
1283 int afs_icl_sizeofLong = 1;
1285 int afs_icl_sizeofLong = 2;
1288 int afs_icl_sizeofLong = 1;
1291 int afs_icl_inited = 0;
1293 /* init function, called once, under afs_icl_lock */
1300 extern struct afs_icl_log *afs_icl_FindLog();
1301 extern struct afs_icl_set *afs_icl_FindSet();
1305 Afscall_icl(long opcode, long p1, long p2, long p3, long p4, long *retval)
1308 afs_int32 *lp, elts, flags;
1309 register afs_int32 code;
1310 struct afs_icl_log *logp;
1311 struct afs_icl_set *setp;
1312 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1314 #else /* AFS_SGI61_ENV */
1316 #endif /* AFS_SGI61_ENV */
1318 afs_int32 startCookie;
1319 afs_int32 allocated;
1320 struct afs_icl_log *tlp;
1323 if (!afs_suser(CRED())) { /* only root can run this code */
1327 if (!afs_suser()) { /* only root can run this code */
1328 #if !defined(AFS_SGI_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1337 case ICL_OP_COPYOUTCLR: /* copy out data then clear */
1338 case ICL_OP_COPYOUT: /* copy ouy data */
1339 /* copyout: p1=logname, p2=&buffer, p3=size(words), p4=&cookie
1340 * return flags<<24 + nwords.
1341 * updates cookie to updated start (not end) if we had to
1342 * skip some records.
1344 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1345 if (code) return code;
1346 AFS_COPYIN((char *)p4, (char *)&startCookie, sizeof(afs_int32), code);
1347 if (code) return code;
1348 logp = afs_icl_FindLog(tname);
1349 if (!logp) return ENOENT;
1350 #define BUFFERSIZE AFS_LRALLOCSIZ
1351 lp = (afs_int32 *) osi_AllocLargeSpace(AFS_LRALLOCSIZ);
1352 elts = BUFFERSIZE / sizeof(afs_int32);
1353 if (p3 < elts) elts = p3;
1354 flags = (opcode == ICL_OP_COPYOUT) ? 0 : ICL_COPYOUTF_CLRAFTERREAD;
1355 code = afs_icl_CopyOut(logp, lp, &elts, (afs_uint32 *) &startCookie,
1358 osi_FreeLargeSpace((struct osi_buffer *) lp);
1361 AFS_COPYOUT((char *)lp, (char *)p2, elts * sizeof(afs_int32), code);
1362 if (code) goto done;
1363 AFS_COPYOUT((char *) &startCookie, (char *)p4, sizeof(afs_int32), code);
1364 if (code) goto done;
1365 *retval = (flags<<24) | (elts & 0xffffff);
1367 afs_icl_LogRele(logp);
1368 osi_FreeLargeSpace((struct osi_buffer *) lp);
1371 case ICL_OP_ENUMLOGS: /* enumerate logs */
1372 /* enumerate logs: p1=index, p2=&name, p3=sizeof(name), p4=&size.
1373 * return 0 for success, otherwise error.
1375 for(tlp = afs_icl_allLogs; tlp; tlp=tlp->nextp) {
1376 if (p1-- == 0) break;
1378 if (!tlp) return ENOENT; /* past the end of file */
1379 temp = strlen(tlp->name)+1;
1380 if (temp > p3) return EINVAL;
1381 AFS_COPYOUT(tlp->name, (char *) p2, temp, code);
1382 if (!code) /* copy out size of log */
1383 AFS_COPYOUT((char *)&tlp->logSize, (char *)p4, sizeof (afs_int32), code);
1386 case ICL_OP_ENUMLOGSBYSET: /* enumerate logs by set name */
1387 /* enumerate logs: p1=setname, p2=index, p3=&name, p4=sizeof(name).
1388 * return 0 for success, otherwise error.
1390 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1391 if (code) return code;
1392 setp = afs_icl_FindSet(tname);
1393 if (!setp) return ENOENT;
1394 if (p2 > ICL_LOGSPERSET)
1396 if (!(tlp = setp->logs[p2]))
1398 temp = strlen(tlp->name)+1;
1399 if (temp > p4) return EINVAL;
1400 AFS_COPYOUT(tlp->name, (char *)p3, temp, code);
1403 case ICL_OP_CLRLOG: /* clear specified log */
1404 /* zero out the specified log: p1=logname */
1405 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1406 if (code) return code;
1407 logp = afs_icl_FindLog(tname);
1408 if (!logp) return ENOENT;
1409 code = afs_icl_ZeroLog(logp);
1410 afs_icl_LogRele(logp);
1413 case ICL_OP_CLRSET: /* clear specified set */
1414 /* zero out the specified set: p1=setname */
1415 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1416 if (code) return code;
1417 setp = afs_icl_FindSet(tname);
1418 if (!setp) return ENOENT;
1419 code = afs_icl_ZeroSet(setp);
1420 afs_icl_SetRele(setp);
1423 case ICL_OP_CLRALL: /* clear all logs */
1424 /* zero out all logs -- no args */
1426 ObtainWriteLock(&afs_icl_lock,178);
1427 for(tlp = afs_icl_allLogs; tlp; tlp=tlp->nextp) {
1428 tlp->refCount++; /* hold this guy */
1429 ReleaseWriteLock(&afs_icl_lock);
1430 /* don't clear persistent logs */
1431 if ((tlp->states & ICL_LOGF_PERSISTENT) == 0)
1432 code = afs_icl_ZeroLog(tlp);
1433 ObtainWriteLock(&afs_icl_lock,179);
1434 if (--tlp->refCount == 0)
1435 afs_icl_ZapLog(tlp);
1438 ReleaseWriteLock(&afs_icl_lock);
1441 case ICL_OP_ENUMSETS: /* enumerate all sets */
1442 /* enumerate sets: p1=index, p2=&name, p3=sizeof(name), p4=&states.
1443 * return 0 for success, otherwise error.
1445 for(setp = afs_icl_allSets; setp; setp = setp->nextp) {
1446 if (p1-- == 0) break;
1448 if (!setp) return ENOENT; /* past the end of file */
1449 temp = strlen(setp->name)+1;
1450 if (temp > p3) return EINVAL;
1451 AFS_COPYOUT(setp->name, (char *)p2, temp, code);
1452 if (!code) /* copy out size of log */
1453 AFS_COPYOUT((char *)&setp->states,(char *)p4, sizeof (afs_int32), code);
1456 case ICL_OP_SETSTAT: /* set status on a set */
1457 /* activate the specified set: p1=setname, p2=op */
1458 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1459 if (code) return code;
1460 setp = afs_icl_FindSet(tname);
1461 if (!setp) return ENOENT;
1462 code = afs_icl_SetSetStat(setp, p2);
1463 afs_icl_SetRele(setp);
1466 case ICL_OP_SETSTATALL: /* set status on all sets */
1467 /* activate the specified set: p1=op */
1469 ObtainWriteLock(&afs_icl_lock,180);
1470 for(setp = afs_icl_allSets; setp; setp=setp->nextp) {
1471 setp->refCount++; /* hold this guy */
1472 ReleaseWriteLock(&afs_icl_lock);
1473 /* don't set states on persistent sets */
1474 if ((setp->states & ICL_SETF_PERSISTENT) == 0)
1475 code = afs_icl_SetSetStat(setp, p1);
1476 ObtainWriteLock(&afs_icl_lock,181);
1477 if (--setp->refCount == 0)
1478 afs_icl_ZapSet(setp);
1481 ReleaseWriteLock(&afs_icl_lock);
1484 case ICL_OP_SETLOGSIZE: /* set size of log */
1485 /* set the size of the specified log: p1=logname, p2=size (in words) */
1486 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1487 if (code) return code;
1488 logp = afs_icl_FindLog(tname);
1489 if (!logp) return ENOENT;
1490 code = afs_icl_LogSetSize(logp, p2);
1491 afs_icl_LogRele(logp);
1494 case ICL_OP_GETLOGINFO: /* get size of log */
1495 /* zero out the specified log: p1=logname, p2=&logSize, p3=&allocated */
1496 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1497 if (code) return code;
1498 logp = afs_icl_FindLog(tname);
1499 if (!logp) return ENOENT;
1500 allocated = !!logp->datap;
1501 AFS_COPYOUT((char *)&logp->logSize, (char *) p2, sizeof(afs_int32), code);
1503 AFS_COPYOUT((char *)&allocated, (char *) p3, sizeof(afs_int32), code);
1504 afs_icl_LogRele(logp);
1507 case ICL_OP_GETSETINFO: /* get state of set */
1508 /* zero out the specified set: p1=setname, p2=&state */
1509 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1510 if (code) return code;
1511 setp = afs_icl_FindSet(tname);
1512 if (!setp) return ENOENT;
1513 AFS_COPYOUT((char *)&setp->states, (char *) p2, sizeof(afs_int32), code);
1514 afs_icl_SetRele(setp);
1525 afs_lock_t afs_icl_lock;
1527 /* exported routine: a 4 parameter event */
1528 afs_icl_Event4(setp, eventID, lAndT, p1, p2, p3, p4)
1529 register struct afs_icl_set *setp;
1532 long p1, p2, p3, p4;
1534 register struct afs_icl_log *logp;
1537 register afs_int32 tmask;
1540 /* If things aren't init'ed yet (or the set is inactive), don't panic */
1541 if (!ICL_SETACTIVE(setp)) return;
1544 mask = lAndT>>24 & 0xff; /* mask of which logs to log to */
1545 ix = ICL_EVENTBYTE(eventID);
1546 ObtainReadLock(&setp->lock);
1547 if (setp->eventFlags[ix] & ICL_EVENTMASK(eventID)) {
1548 for(i=0, tmask = 1; i<ICL_LOGSPERSET; i++, tmask <<= 1) {
1550 afs_icl_AppendRecord(setp->logs[i], eventID, lAndT & 0xffffff,
1554 if (mask == 0) break; /* break early */
1557 ReleaseReadLock(&setp->lock);
1560 /* Next 4 routines should be implemented via var-args or something.
1561 * Whole purpose is to avoid compiler warnings about parameter # mismatches.
1562 * Otherwise, could call afs_icl_Event4 directly.
1564 afs_icl_Event3(setp, eventID, lAndT, p1, p2, p3)
1565 register struct afs_icl_set *setp;
1570 return afs_icl_Event4(setp, eventID, lAndT, p1, p2, p3, (long)0);
1573 afs_icl_Event2(setp, eventID, lAndT, p1, p2)
1574 register struct afs_icl_set *setp;
1579 return afs_icl_Event4(setp, eventID, lAndT, p1, p2, (long)0, (long)0);
1582 afs_icl_Event1(setp, eventID, lAndT, p1)
1583 register struct afs_icl_set *setp;
1588 return afs_icl_Event4(setp, eventID, lAndT, p1, (long)0, (long)0, (long)0);
1591 afs_icl_Event0(setp, eventID, lAndT)
1592 register struct afs_icl_set *setp;
1596 return afs_icl_Event4(setp, eventID, lAndT, (long)0, (long)0, (long)0, (long)0);
1599 struct afs_icl_log *afs_icl_allLogs = 0;
1601 /* function to purge records from the start of the log, until there
1602 * is at least minSpace long's worth of space available without
1603 * making the head and the tail point to the same word.
1605 * Log must be write-locked.
1607 static afs_icl_GetLogSpace(logp, minSpace)
1608 register struct afs_icl_log *logp;
1611 register unsigned int tsize;
1613 while (logp->logSize - logp->logElements <= minSpace) {
1615 tsize = ((logp->datap[logp->firstUsed]) >> 24) & 0xff;
1616 logp->logElements -= tsize;
1617 logp->firstUsed += tsize;
1618 if (logp->firstUsed >= logp->logSize)
1619 logp->firstUsed -= logp->logSize;
1620 logp->baseCookie += tsize;
1624 /* append string astr to buffer, including terminating null char.
1626 * log must be write-locked.
1628 #define ICL_CHARSPERLONG 4
1629 static afs_int32 afs_icl_AppendString(logp, astr)
1630 struct afs_icl_log *logp;
1633 char *op; /* ptr to char to write */
1635 register int bib; /* bytes in buffer */
1638 op = (char *) &(logp->datap[logp->firstFree]);
1642 if (++bib >= ICL_CHARSPERLONG) {
1645 if (++(logp->firstFree) >= logp->logSize) {
1646 logp->firstFree = 0;
1647 op = (char *) &(logp->datap[0]);
1649 logp->logElements++;
1654 /* if we've used this word at all, allocate it */
1655 if (++(logp->firstFree) >= logp->logSize) {
1656 logp->firstFree = 0;
1658 logp->logElements++;
1662 /* add a long to the log, ignoring overflow (checked already) */
1663 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1664 #define ICL_APPENDINT32(lp, x) \
1666 (lp)->datap[(lp)->firstFree] = (x); \
1667 if (++((lp)->firstFree) >= (lp)->logSize) { \
1668 (lp)->firstFree = 0; \
1670 (lp)->logElements++; \
1673 #define ICL_APPENDLONG(lp, x) \
1675 ICL_APPENDINT32((lp), ((x) >> 32) & 0xffffffffL); \
1676 ICL_APPENDINT32((lp), (x) & 0xffffffffL); \
1679 #else /* AFS_ALPHA_ENV */
1680 #define ICL_APPENDLONG(lp, x) \
1682 (lp)->datap[(lp)->firstFree] = (x); \
1683 if (++((lp)->firstFree) >= (lp)->logSize) { \
1684 (lp)->firstFree = 0; \
1686 (lp)->logElements++; \
1688 #define ICL_APPENDINT32(lp, x) ICL_APPENDLONG((lp), (x))
1689 #endif /* AFS_ALPHA_ENV */
1691 /* routine to tell whether we're dealing with the address or the
1694 afs_icl_UseAddr(type)
1697 if (type == ICL_TYPE_HYPER || type == ICL_TYPE_STRING
1698 || type == ICL_TYPE_FID)
1704 /* Function to append a record to the log. Written for speed
1705 * since we know that we're going to have to make this work fast
1706 * pretty soon, anyway. The log must be unlocked.
1709 afs_icl_AppendRecord(logp, op, types, p1, p2, p3, p4)
1710 register struct afs_icl_log *logp;
1713 long p1, p2, p3, p4;
1715 int rsize; /* record size in longs */
1716 register int tsize; /* temp size */
1720 t4 = types & 0x3f; /* decode types */
1728 osi_GetTime(&tv); /* It panics for solaris if inside */
1729 ObtainWriteLock(&logp->lock,182);
1731 ReleaseWriteLock(&logp->lock);
1735 /* get timestamp as # of microseconds since some time that doesn't
1736 * change that often. This algorithm ticks over every 20 minutes
1737 * or so (1000 seconds). Write a timestamp record if it has.
1739 if (tv.tv_sec - logp->lastTS > 1024)
1741 /* the timer has wrapped -- write a timestamp record */
1742 if (logp->logSize - logp->logElements <= 5)
1743 afs_icl_GetLogSpace(logp, 5);
1745 ICL_APPENDINT32(logp, (afs_int32)(5<<24) + (ICL_TYPE_UNIXDATE<<18));
1746 ICL_APPENDINT32(logp, (afs_int32)ICL_INFO_TIMESTAMP);
1747 ICL_APPENDINT32(logp, (afs_int32)0); /* use thread ID zero for clocks */
1748 ICL_APPENDINT32(logp,
1749 (afs_int32)(tv.tv_sec & 0x3ff) * 1000000 + tv.tv_usec);
1750 ICL_APPENDINT32(logp, (afs_int32)tv.tv_sec);
1752 logp->lastTS = tv.tv_sec;
1755 rsize = 4; /* base case */
1757 /* compute size of parameter p1. Only tricky case is string.
1758 * In that case, we have to call strlen to get the string length.
1760 ICL_SIZEHACK(t1, p1);
1763 /* compute size of parameter p2. Only tricky case is string.
1764 * In that case, we have to call strlen to get the string length.
1766 ICL_SIZEHACK(t2, p2);
1769 /* compute size of parameter p3. Only tricky case is string.
1770 * In that case, we have to call strlen to get the string length.
1772 ICL_SIZEHACK(t3, p3);
1775 /* compute size of parameter p4. Only tricky case is string.
1776 * In that case, we have to call strlen to get the string length.
1778 ICL_SIZEHACK(t4, p4);
1781 /* At this point, we've computed all of the parameter sizes, and
1782 * have in rsize the size of the entire record we want to append.
1783 * Next, we check that we actually have room in the log to do this
1784 * work, and then we do the append.
1787 ReleaseWriteLock(&logp->lock);
1788 return; /* log record too big to express */
1791 if (logp->logSize - logp->logElements <= rsize)
1792 afs_icl_GetLogSpace(logp, rsize);
1794 ICL_APPENDINT32(logp,
1795 (afs_int32)(rsize<<24) + (t1<<18) + (t2<<12) + (t3<<6) + t4);
1796 ICL_APPENDINT32(logp, (afs_int32)op);
1797 ICL_APPENDINT32(logp, (afs_int32)osi_ThreadUnique());
1798 ICL_APPENDINT32(logp, (afs_int32)(tv.tv_sec & 0x3ff) * 1000000 + tv.tv_usec);
1801 /* marshall parameter 1 now */
1802 if (t1 == ICL_TYPE_STRING) {
1803 afs_icl_AppendString(logp, (char *) p1);
1805 else if (t1 == ICL_TYPE_HYPER) {
1806 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p1)->high);
1807 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p1)->low);
1809 else if (t1 == ICL_TYPE_FID) {
1810 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[0]);
1811 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[1]);
1812 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[2]);
1813 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[3]);
1815 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1816 else if (t1 == ICL_TYPE_INT32)
1817 ICL_APPENDINT32(logp, (afs_int32)p1);
1818 #endif /* AFS_ALPHA_ENV */
1819 else ICL_APPENDLONG(logp, p1);
1822 /* marshall parameter 2 now */
1823 if (t2 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p2);
1824 else if (t2 == ICL_TYPE_HYPER) {
1825 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p2)->high);
1826 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p2)->low);
1828 else if (t2 == ICL_TYPE_FID) {
1829 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[0]);
1830 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[1]);
1831 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[2]);
1832 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[3]);
1834 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1835 else if (t2 == ICL_TYPE_INT32)
1836 ICL_APPENDINT32(logp, (afs_int32)p2);
1837 #endif /* AFS_ALPHA_ENV */
1838 else ICL_APPENDLONG(logp, p2);
1841 /* marshall parameter 3 now */
1842 if (t3 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p3);
1843 else if (t3 == ICL_TYPE_HYPER) {
1844 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p3)->high);
1845 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p3)->low);
1847 else if (t3 == ICL_TYPE_FID) {
1848 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[0]);
1849 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[1]);
1850 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[2]);
1851 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[3]);
1853 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1854 else if (t3 == ICL_TYPE_INT32)
1855 ICL_APPENDINT32(logp, (afs_int32)p3);
1856 #endif /* AFS_ALPHA_ENV */
1857 else ICL_APPENDLONG(logp, p3);
1860 /* marshall parameter 4 now */
1861 if (t4 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p4);
1862 else if (t4 == ICL_TYPE_HYPER) {
1863 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p4)->high);
1864 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p4)->low);
1866 else if (t4 == ICL_TYPE_FID) {
1867 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[0]);
1868 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[1]);
1869 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[2]);
1870 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[3]);
1872 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1873 else if (t4 == ICL_TYPE_INT32)
1874 ICL_APPENDINT32(logp, (afs_int32)p4);
1875 #endif /* AFS_ALPHA_ENV */
1876 else ICL_APPENDLONG(logp, p4);
1878 ReleaseWriteLock(&logp->lock);
1881 /* create a log with size logSize; return it in *outLogpp and tag
1882 * it with name "name."
1884 afs_icl_CreateLog(name, logSize, outLogpp)
1887 struct afs_icl_log **outLogpp;
1889 return afs_icl_CreateLogWithFlags(name, logSize, /*flags*/0, outLogpp);
1892 /* create a log with size logSize; return it in *outLogpp and tag
1893 * it with name "name." 'flags' can be set to make the log unclearable.
1895 afs_icl_CreateLogWithFlags(name, logSize, flags, outLogpp)
1899 struct afs_icl_log **outLogpp;
1901 register struct afs_icl_log *logp;
1903 /* add into global list under lock */
1904 ObtainWriteLock(&afs_icl_lock,183);
1905 if (!afs_icl_inited) afs_icl_Init();
1907 for (logp = afs_icl_allLogs; logp; logp=logp->nextp) {
1908 if (strcmp(logp->name, name) == 0) {
1909 /* found it already created, just return it */
1912 if (flags & ICL_CRLOG_FLAG_PERSISTENT)
1914 ObtainWriteLock(&logp->lock,184);
1915 logp->states |= ICL_LOGF_PERSISTENT;
1916 ReleaseWriteLock(&logp->lock);
1918 ReleaseWriteLock(&afs_icl_lock);
1923 logp = (struct afs_icl_log *)
1924 osi_AllocSmallSpace(sizeof(struct afs_icl_log));
1925 bzero((caddr_t)logp, sizeof(*logp));
1928 logp->name = osi_AllocSmallSpace(strlen(name)+1);
1929 strcpy(logp->name, name);
1930 LOCK_INIT(&logp->lock, "logp lock");
1931 logp->logSize = logSize;
1932 logp->datap = (afs_int32 *)0; /* don't allocate it until we need it */
1934 if (flags & ICL_CRLOG_FLAG_PERSISTENT)
1935 logp->states |= ICL_LOGF_PERSISTENT;
1937 logp->nextp = afs_icl_allLogs;
1938 afs_icl_allLogs = logp;
1939 ReleaseWriteLock(&afs_icl_lock);
1945 /* called with a log, a pointer to a buffer, the size of the buffer
1946 * (in *bufSizep), the starting cookie (in *cookiep, use 0 at the start)
1947 * and returns data in the provided buffer, and returns output flags
1948 * in *flagsp. The flag ICL_COPYOUTF_MISSEDSOME is set if we can't
1949 * find the record with cookie value cookie.
1951 afs_icl_CopyOut(logp, bufferp, bufSizep, cookiep, flagsp)
1952 register struct afs_icl_log *logp;
1954 afs_int32 *bufSizep;
1955 afs_uint32 *cookiep;
1958 afs_int32 nwords; /* number of words to copy out */
1959 afs_uint32 startCookie; /* first cookie to use */
1960 register afs_int32 i;
1961 afs_int32 outWords; /* words we've copied out */
1962 afs_int32 inWords; /* max words to copy out */
1963 afs_int32 code; /* return code */
1964 afs_int32 ix; /* index we're copying from */
1965 afs_int32 outFlags; /* return flags */
1966 afs_int32 inFlags; /* flags passed in */
1969 inWords = *bufSizep; /* max to copy out */
1970 outWords = 0; /* amount copied out */
1971 startCookie = *cookiep;
1976 ObtainWriteLock(&logp->lock,185);
1978 ReleaseWriteLock(&logp->lock);
1982 /* first, compute the index of the start cookie we've been passed */
1984 /* (re-)compute where we should start */
1985 if (startCookie < logp->baseCookie) {
1986 if (startCookie) /* missed some output */
1987 outFlags |= ICL_COPYOUTF_MISSEDSOME;
1988 /* skip to the first available record */
1989 startCookie = logp->baseCookie;
1990 *cookiep = startCookie;
1993 /* compute where we find the first element to copy out */
1994 ix = logp->firstUsed + startCookie - logp->baseCookie;
1995 if (ix >= logp->logSize) ix -= logp->logSize;
1997 /* if have some data now, break out and process it */
1998 if (startCookie - logp->baseCookie < logp->logElements) break;
2000 /* At end of log, so clear it if we need to */
2001 if (inFlags & ICL_COPYOUTF_CLRAFTERREAD)
2003 logp->firstUsed = logp->firstFree = 0;
2004 logp->logElements = 0;
2006 /* otherwise, either wait for the data to arrive, or return */
2007 if (!(inFlags & ICL_COPYOUTF_WAITIO)) {
2008 ReleaseWriteLock(&logp->lock);
2012 logp->states |= ICL_LOGF_WAITING;
2013 ReleaseWriteLock(&logp->lock);
2014 afs_osi_Sleep(&logp->lock);
2015 ObtainWriteLock(&logp->lock,186);
2017 /* copy out data from ix to logSize or firstFree, depending
2018 * upon whether firstUsed <= firstFree (no wrap) or otherwise.
2019 * be careful not to copy out more than nwords.
2021 if (ix >= logp->firstUsed) {
2022 if (logp->firstUsed <= logp->firstFree)
2024 end = logp->firstFree; /* first element not to copy */
2026 end = logp->logSize;
2027 nwords = inWords; /* don't copy more than this */
2028 if (end - ix < nwords)
2031 bcopy((char *) &logp->datap[ix], (char *) bufferp,
2032 sizeof(afs_int32) * nwords);
2037 /* if we're going to copy more out below, we'll start here */
2040 /* now, if active part of the log has wrapped, there's more stuff
2041 * starting at the head of the log. Copy out more from there.
2043 if (logp->firstUsed > logp->firstFree
2044 && ix < logp->firstFree && inWords > 0) {
2045 /* (more to) copy out from the wrapped section at the
2046 * start of the log. May get here even if didn't copy any
2047 * above, if the cookie points directly into the wrapped section.
2050 if (logp->firstFree - ix < nwords)
2051 nwords = logp->firstFree - ix;
2052 bcopy((char *) &logp->datap[ix], (char *) bufferp,
2053 sizeof(afs_int32) * nwords);
2059 ReleaseWriteLock(&logp->lock);
2063 *bufSizep = outWords;
2069 /* return basic parameter information about a log */
2070 afs_icl_GetLogParms(logp, maxSizep, curSizep)
2071 struct afs_icl_log *logp;
2072 afs_int32 *maxSizep;
2073 afs_int32 *curSizep;
2075 ObtainReadLock(&logp->lock);
2076 *maxSizep = logp->logSize;
2077 *curSizep = logp->logElements;
2078 ReleaseReadLock(&logp->lock);
2083 /* hold and release logs */
2084 afs_icl_LogHold(logp)
2085 register struct afs_icl_log *logp;
2087 ObtainWriteLock(&afs_icl_lock,187);
2089 ReleaseWriteLock(&afs_icl_lock);
2093 /* hold and release logs, called with lock already held */
2094 afs_icl_LogHoldNL(logp)
2095 register struct afs_icl_log *logp;
2101 /* keep track of how many sets believe the log itself is allocated */
2102 afs_icl_LogUse(logp)
2103 register struct afs_icl_log *logp;
2105 ObtainWriteLock(&logp->lock,188);
2106 if (logp->setCount == 0) {
2107 /* this is the first set actually using the log -- allocate it */
2108 if (logp->logSize == 0) {
2109 /* we weren't passed in a hint and it wasn't set */
2110 logp->logSize = ICL_DEFAULT_LOGSIZE;
2112 logp->datap = (afs_int32 *) afs_osi_Alloc(sizeof(afs_int32) * logp->logSize);
2113 #ifdef AFS_AIX32_ENV
2114 pin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2118 ReleaseWriteLock(&logp->lock);
2122 /* decrement the number of real users of the log, free if possible */
2123 afs_icl_LogFreeUse(logp)
2124 register struct afs_icl_log *logp;
2126 ObtainWriteLock(&logp->lock,189);
2127 if (--logp->setCount == 0) {
2128 /* no more users -- free it (but keep log structure around)*/
2129 afs_osi_Free(logp->datap, sizeof(afs_int32) * logp->logSize);
2130 #ifdef AFS_AIX32_ENV
2131 unpin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2133 logp->firstUsed = logp->firstFree = 0;
2134 logp->logElements = 0;
2135 logp->datap = (afs_int32 *)0;
2137 ReleaseWriteLock(&logp->lock);
2141 /* set the size of the log to 'logSize' */
2142 afs_icl_LogSetSize(logp, logSize)
2143 register struct afs_icl_log *logp;
2146 ObtainWriteLock(&logp->lock,190);
2148 /* nothing to worry about since it's not allocated */
2149 logp->logSize = logSize;
2153 logp->firstUsed = logp->firstFree = 0;
2154 logp->logElements = 0;
2156 /* free and allocate a new one */
2157 afs_osi_Free(logp->datap, sizeof(afs_int32) * logp->logSize);
2158 #ifdef AFS_AIX32_ENV
2159 unpin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2161 logp->datap = (afs_int32 *) afs_osi_Alloc(sizeof(afs_int32) * logSize);
2162 #ifdef AFS_AIX32_ENV
2163 pin((char *)logp->datap, sizeof(afs_int32) * logSize);
2165 logp->logSize = logSize;
2167 ReleaseWriteLock(&logp->lock);
2172 /* free a log. Called with afs_icl_lock locked. */
2173 afs_icl_ZapLog(logp)
2174 register struct afs_icl_log *logp;
2176 register struct afs_icl_log **lpp, *tp;
2178 for(lpp = &afs_icl_allLogs, tp = *lpp; tp; lpp = &tp->nextp, tp = *lpp) {
2180 /* found the dude we want to remove */
2182 osi_FreeSmallSpace(logp->name);
2183 osi_FreeSmallSpace(logp->datap);
2184 osi_FreeSmallSpace(logp);
2185 break; /* won't find it twice */
2191 /* do the release, watching for deleted entries */
2192 afs_icl_LogRele(logp)
2193 register struct afs_icl_log *logp;
2195 ObtainWriteLock(&afs_icl_lock,191);
2196 if (--logp->refCount == 0 && (logp->states & ICL_LOGF_DELETED)) {
2197 afs_icl_ZapLog(logp); /* destroys logp's lock! */
2199 ReleaseWriteLock(&afs_icl_lock);
2203 /* do the release, watching for deleted entries, log already held */
2204 afs_icl_LogReleNL(logp)
2205 register struct afs_icl_log *logp;
2207 if (--logp->refCount == 0 && (logp->states & ICL_LOGF_DELETED)) {
2208 afs_icl_ZapLog(logp); /* destroys logp's lock! */
2213 /* zero out the log */
2214 afs_icl_ZeroLog(logp)
2215 register struct afs_icl_log *logp;
2217 ObtainWriteLock(&logp->lock,192);
2218 logp->firstUsed = logp->firstFree = 0;
2219 logp->logElements = 0;
2220 logp->baseCookie = 0;
2221 ReleaseWriteLock(&logp->lock);
2225 /* free a log entry, and drop its reference count */
2226 afs_icl_LogFree(logp)
2227 register struct afs_icl_log *logp;
2229 ObtainWriteLock(&logp->lock,193);
2230 logp->states |= ICL_LOGF_DELETED;
2231 ReleaseWriteLock(&logp->lock);
2232 afs_icl_LogRele(logp);
2236 /* find a log by name, returning it held */
2237 struct afs_icl_log *afs_icl_FindLog(name)
2240 register struct afs_icl_log *tp;
2241 ObtainWriteLock(&afs_icl_lock,194);
2242 for(tp = afs_icl_allLogs; tp; tp=tp->nextp) {
2243 if (strcmp(tp->name, name) == 0) {
2244 /* this is the dude we want */
2249 ReleaseWriteLock(&afs_icl_lock);
2253 afs_icl_EnumerateLogs(aproc, arock)
2257 register struct afs_icl_log *tp;
2258 register afs_int32 code;
2261 ObtainWriteLock(&afs_icl_lock,195);
2262 for(tp = afs_icl_allLogs; tp; tp=tp->nextp) {
2263 tp->refCount++; /* hold this guy */
2264 ReleaseWriteLock(&afs_icl_lock);
2265 ObtainReadLock(&tp->lock);
2266 code = (*aproc)(tp->name, arock, tp);
2267 ReleaseReadLock(&tp->lock);
2268 ObtainWriteLock(&afs_icl_lock,196);
2269 if (--tp->refCount == 0)
2273 ReleaseWriteLock(&afs_icl_lock);
2277 struct afs_icl_set *afs_icl_allSets = 0;
2279 afs_icl_CreateSet(name, baseLogp, fatalLogp, outSetpp)
2281 struct afs_icl_log *baseLogp;
2282 struct afs_icl_log *fatalLogp;
2283 struct afs_icl_set **outSetpp;
2285 return afs_icl_CreateSetWithFlags(name, baseLogp, fatalLogp,
2286 /*flags*/0, outSetpp);
2289 /* create a set, given pointers to base and fatal logs, if any.
2290 * Logs are unlocked, but referenced, and *outSetpp is returned
2291 * referenced. Function bumps reference count on logs, since it
2292 * addds references from the new afs_icl_set. When the set is destroyed,
2293 * those references will be released.
2295 afs_icl_CreateSetWithFlags(name, baseLogp, fatalLogp, flags, outSetpp)
2297 struct afs_icl_log *baseLogp;
2298 struct afs_icl_log *fatalLogp;
2300 struct afs_icl_set **outSetpp;
2302 register struct afs_icl_set *setp;
2304 afs_int32 states = ICL_DEFAULT_SET_STATES;
2306 ObtainWriteLock(&afs_icl_lock,197);
2307 if (!afs_icl_inited) afs_icl_Init();
2309 for (setp = afs_icl_allSets; setp; setp = setp->nextp) {
2310 if (strcmp(setp->name, name) == 0) {
2313 if (flags & ICL_CRSET_FLAG_PERSISTENT)
2315 ObtainWriteLock(&setp->lock,198);
2316 setp->states |= ICL_SETF_PERSISTENT;
2317 ReleaseWriteLock(&setp->lock);
2319 ReleaseWriteLock(&afs_icl_lock);
2324 /* determine initial state */
2325 if (flags & ICL_CRSET_FLAG_DEFAULT_ON)
2326 states = ICL_SETF_ACTIVE;
2327 else if (flags & ICL_CRSET_FLAG_DEFAULT_OFF)
2328 states = ICL_SETF_FREED;
2329 if (flags & ICL_CRSET_FLAG_PERSISTENT)
2330 states |= ICL_SETF_PERSISTENT;
2332 setp = (struct afs_icl_set *) afs_osi_Alloc(sizeof(struct afs_icl_set));
2333 bzero((caddr_t)setp, sizeof(*setp));
2335 if (states & ICL_SETF_FREED)
2336 states &= ~ICL_SETF_ACTIVE; /* if freed, can't be active */
2337 setp->states = states;
2339 LOCK_INIT(&setp->lock, "setp lock");
2340 /* next lock is obtained in wrong order, hierarchy-wise, but
2341 * it doesn't matter, since no one can find this lock yet, since
2342 * the afs_icl_lock is still held, and thus the obtain can't block.
2344 ObtainWriteLock(&setp->lock,199);
2345 setp->name = osi_AllocSmallSpace(strlen(name)+1);
2346 strcpy(setp->name, name);
2347 setp->nevents = ICL_DEFAULTEVENTS;
2348 setp->eventFlags = afs_osi_Alloc(ICL_DEFAULTEVENTS);
2349 #ifdef AFS_AIX32_ENV
2350 pin((char *)setp->eventFlags, ICL_DEFAULTEVENTS);
2352 for(i=0; i<ICL_DEFAULTEVENTS; i++)
2353 setp->eventFlags[i] = 0xff; /* default to enabled */
2355 /* update this global info under the afs_icl_lock */
2356 setp->nextp = afs_icl_allSets;
2357 afs_icl_allSets = setp;
2358 ReleaseWriteLock(&afs_icl_lock);
2360 /* set's basic lock is still held, so we can finish init */
2362 setp->logs[0] = baseLogp;
2363 afs_icl_LogHold(baseLogp);
2364 if (!(setp->states & ICL_SETF_FREED))
2365 afs_icl_LogUse(baseLogp); /* log is actually being used */
2368 setp->logs[1] = fatalLogp;
2369 afs_icl_LogHold(fatalLogp);
2370 if (!(setp->states & ICL_SETF_FREED))
2371 afs_icl_LogUse(fatalLogp); /* log is actually being used */
2373 ReleaseWriteLock(&setp->lock);
2379 /* function to change event enabling information for a particular set */
2380 afs_icl_SetEnable(setp, eventID, setValue)
2381 struct afs_icl_set *setp;
2387 ObtainWriteLock(&setp->lock,200);
2388 if (!ICL_EVENTOK(setp, eventID)) {
2389 ReleaseWriteLock(&setp->lock);
2392 tp = &setp->eventFlags[ICL_EVENTBYTE(eventID)];
2394 *tp |= ICL_EVENTMASK(eventID);
2396 *tp &= ~(ICL_EVENTMASK(eventID));
2397 ReleaseWriteLock(&setp->lock);
2401 /* return indication of whether a particular event ID is enabled
2402 * for tracing. If *getValuep is set to 0, the event is disabled,
2403 * otherwise it is enabled. All events start out enabled by default.
2405 afs_icl_GetEnable(setp, eventID, getValuep)
2406 struct afs_icl_set *setp;
2410 ObtainReadLock(&setp->lock);
2411 if (!ICL_EVENTOK(setp, eventID)) {
2412 ReleaseWriteLock(&setp->lock);
2415 if (setp->eventFlags[ICL_EVENTBYTE(eventID)] & ICL_EVENTMASK(eventID))
2419 ReleaseReadLock(&setp->lock);
2423 /* hold and release event sets */
2424 afs_icl_SetHold(setp)
2425 register struct afs_icl_set *setp;
2427 ObtainWriteLock(&afs_icl_lock,201);
2429 ReleaseWriteLock(&afs_icl_lock);
2433 /* free a set. Called with afs_icl_lock locked */
2434 afs_icl_ZapSet(setp)
2435 register struct afs_icl_set *setp;
2437 register struct afs_icl_set **lpp, *tp;
2439 register struct afs_icl_log *tlp;
2441 for(lpp = &afs_icl_allSets, tp = *lpp; tp; lpp = &tp->nextp, tp = *lpp) {
2443 /* found the dude we want to remove */
2445 osi_FreeSmallSpace(setp->name);
2446 afs_osi_Free(setp->eventFlags, ICL_DEFAULTEVENTS);
2447 #ifdef AFS_AIX32_ENV
2448 unpin((char *)setp->eventFlags, ICL_DEFAULTEVENTS);
2450 for(i=0; i < ICL_LOGSPERSET; i++) {
2451 if (tlp = setp->logs[i])
2452 afs_icl_LogReleNL(tlp);
2454 osi_FreeSmallSpace(setp);
2455 break; /* won't find it twice */
2461 /* do the release, watching for deleted entries */
2462 afs_icl_SetRele(setp)
2463 register struct afs_icl_set *setp;
2465 ObtainWriteLock(&afs_icl_lock,202);
2466 if (--setp->refCount == 0 && (setp->states & ICL_SETF_DELETED)) {
2467 afs_icl_ZapSet(setp); /* destroys setp's lock! */
2469 ReleaseWriteLock(&afs_icl_lock);
2473 /* free a set entry, dropping its reference count */
2474 afs_icl_SetFree(setp)
2475 register struct afs_icl_set *setp;
2477 ObtainWriteLock(&setp->lock,203);
2478 setp->states |= ICL_SETF_DELETED;
2479 ReleaseWriteLock(&setp->lock);
2480 afs_icl_SetRele(setp);
2484 /* find a set by name, returning it held */
2485 struct afs_icl_set *afs_icl_FindSet(name)
2488 register struct afs_icl_set *tp;
2489 ObtainWriteLock(&afs_icl_lock,204);
2490 for(tp = afs_icl_allSets; tp; tp=tp->nextp) {
2491 if (strcmp(tp->name, name) == 0) {
2492 /* this is the dude we want */
2497 ReleaseWriteLock(&afs_icl_lock);
2501 /* zero out all the logs in the set */
2502 afs_icl_ZeroSet(setp)
2503 struct afs_icl_set *setp;
2508 struct afs_icl_log *logp;
2510 ObtainReadLock(&setp->lock);
2511 for(i = 0; i < ICL_LOGSPERSET; i++) {
2512 logp = setp->logs[i];
2514 afs_icl_LogHold(logp);
2515 tcode = afs_icl_ZeroLog(logp);
2516 if (tcode != 0) code = tcode; /* save the last bad one */
2517 afs_icl_LogRele(logp);
2520 ReleaseReadLock(&setp->lock);
2524 afs_icl_EnumerateSets(aproc, arock)
2528 register struct afs_icl_set *tp, *np;
2529 register afs_int32 code;
2532 ObtainWriteLock(&afs_icl_lock,205);
2533 for(tp = afs_icl_allSets; tp; tp=np) {
2534 tp->refCount++; /* hold this guy */
2535 ReleaseWriteLock(&afs_icl_lock);
2536 code = (*aproc)(tp->name, arock, tp);
2537 ObtainWriteLock(&afs_icl_lock,206);
2538 np = tp->nextp; /* tp may disappear next, but not np */
2539 if (--tp->refCount == 0 && (tp->states & ICL_SETF_DELETED))
2543 ReleaseWriteLock(&afs_icl_lock);
2547 afs_icl_AddLogToSet(setp, newlogp)
2548 struct afs_icl_set *setp;
2549 struct afs_icl_log *newlogp;
2553 struct afs_icl_log *logp;
2555 ObtainWriteLock(&setp->lock,207);
2556 for(i = 0; i < ICL_LOGSPERSET; i++) {
2557 if (!setp->logs[i]) {
2558 setp->logs[i] = newlogp;
2560 afs_icl_LogHold(newlogp);
2561 if (!(setp->states & ICL_SETF_FREED)) {
2562 /* bump up the number of sets using the log */
2563 afs_icl_LogUse(newlogp);
2568 ReleaseWriteLock(&setp->lock);
2572 afs_icl_SetSetStat(setp, op)
2573 struct afs_icl_set *setp;
2578 struct afs_icl_log *logp;
2580 ObtainWriteLock(&setp->lock,208);
2582 case ICL_OP_SS_ACTIVATE: /* activate a log */
2584 * If we are not already active, see if we have released
2585 * our demand that the log be allocated (FREED set). If
2586 * we have, reassert our desire.
2588 if (!(setp->states & ICL_SETF_ACTIVE)) {
2589 if (setp->states & ICL_SETF_FREED) {
2590 /* have to reassert desire for logs */
2591 for(i = 0; i < ICL_LOGSPERSET; i++) {
2592 logp = setp->logs[i];
2594 afs_icl_LogHold(logp);
2595 afs_icl_LogUse(logp);
2596 afs_icl_LogRele(logp);
2599 setp->states &= ~ICL_SETF_FREED;
2601 setp->states |= ICL_SETF_ACTIVE;
2606 case ICL_OP_SS_DEACTIVATE: /* deactivate a log */
2607 /* this doesn't require anything beyond clearing the ACTIVE flag */
2608 setp->states &= ~ICL_SETF_ACTIVE;
2612 case ICL_OP_SS_FREE: /* deassert design for log */
2614 * if we are already in this state, do nothing; otherwise
2615 * deassert desire for log
2617 if (setp->states & ICL_SETF_ACTIVE)
2620 if (!(setp->states & ICL_SETF_FREED)) {
2621 for(i = 0; i < ICL_LOGSPERSET; i++) {
2622 logp = setp->logs[i];
2624 afs_icl_LogHold(logp);
2625 afs_icl_LogFreeUse(logp);
2626 afs_icl_LogRele(logp);
2629 setp->states |= ICL_SETF_FREED;
2638 ReleaseWriteLock(&setp->lock);