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);
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_ADDCELLALIAS) {
332 * parm2 is the alias name
333 * parm3 is the real cell name
335 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
337 #else /* AFS_SGI61_ENV */
339 #endif /* AFS_SGI61_ENV */
340 char *aliasName = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
341 char *cellName = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
343 AFS_COPYINSTR((char *)parm2, aliasName, AFS_SMALLOCSIZ, &bufferSize, code);
344 if (!code) AFS_COPYINSTR((char *)parm3, cellName, AFS_SMALLOCSIZ, &bufferSize, code);
345 if (!code) afs_NewCell(aliasName, /* new entry name */
348 (char *) 0, /* linked cell */
349 0, 0, /* fs & vl ports */
351 cellName); /* real cell name */
353 osi_FreeSmallSpace(aliasName);
354 osi_FreeSmallSpace(cellName);
356 else if (parm == AFSOP_CACHEINIT) {
357 struct afs_cacheParams cparms;
359 if (afs_CacheInit_Done) goto out;
361 /* wait for basic init */
362 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
363 AFS_COPYIN((char *)parm2, (caddr_t) &cparms, sizeof(cparms), code);
365 #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)
373 afs_CacheInit_Done = 1;
375 struct afs_icl_log *logp;
376 /* initialize the ICL system */
377 code = afs_icl_CreateLog("cmfx", 60*1024, &logp);
379 code = afs_icl_CreateSetWithFlags("cm", logp,
380 (struct icl_log *) 0,
381 ICL_CRSET_FLAG_DEFAULT_OFF,
383 code = afs_icl_CreateSet("cmlongterm", logp, (struct icl_log*) 0,
384 &afs_iclLongTermSetp);
386 afs_setTime = cparms.setTimeFlag;
388 code = afs_CacheInit(cparms.cacheScaches,
399 else if (parm == AFSOP_CACHEINODE) {
400 ino_t ainode = parm2;
401 /* wait for basic init */
402 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
406 ainode = (ainode << 32) | (parm3 & 0xffffffff);
408 code = afs_InitCacheFile((char *) 0, ainode);
410 else if (parm == AFSOP_ROOTVOLUME) {
411 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
413 #else /* AFS_SGI61_ENV */
415 #endif /* AFS_SGI61_ENV */
417 /* wait for basic init */
418 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
421 AFS_COPYINSTR((char *)parm2, afs_rootVolumeName, sizeof(afs_rootVolumeName), &bufferSize, code);
422 afs_rootVolumeName[sizeof(afs_rootVolumeName)-1] = 0;
426 else if (parm == AFSOP_CACHEFILE || parm == AFSOP_CACHEINFO ||
427 parm == AFSOP_VOLUMEINFO || parm == AFSOP_AFSLOG) {
428 char *tbuffer = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
429 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
431 #else /* AFS_SGI61_ENV */
433 #endif /* AFS_SGI61_ENV */
435 /* wait for basic init */
436 while (afs_initState < AFSOP_START_BKG) afs_osi_Sleep(&afs_initState);
438 AFS_COPYINSTR((char *)parm2, tbuffer, AFS_SMALLOCSIZ, &bufferSize, code);
440 osi_FreeSmallSpace(tbuffer);
444 tbuffer[AFS_SMALLOCSIZ-1] = 0; /* null-terminate the name */
445 /* we now have the cache dir copied in. Call the cache init routines */
446 if (parm == AFSOP_CACHEFILE) code = afs_InitCacheFile(tbuffer, 0);
447 else if (parm == AFSOP_CACHEINFO) code = afs_InitCacheInfo(tbuffer);
448 else if (parm == AFSOP_VOLUMEINFO) code = afs_InitVolumeInfo(tbuffer);
450 osi_FreeSmallSpace(tbuffer);
452 else if (parm == AFSOP_GO) {
453 /* the generic initialization calls come here. One parameter: should we do the
454 set-time operation on this workstation */
455 if (afs_Go_Done) goto out;
457 while (afs_initState < AFSOP_GO) afs_osi_Sleep(&afs_initState);
460 afs_osi_Wakeup(&afs_initState);
461 #if (!defined(AFS_NONFSTRANS) && !defined(AFS_DEC_ENV)) || defined(AFS_AIX_IAUTH_ENV)
462 afs_nfsclient_init();
464 printf("found %d non-empty cache files (%d%%).\n", afs_stats_cmperf.cacheFilesReused,
465 (100*afs_stats_cmperf.cacheFilesReused) /
466 (afs_stats_cmperf.cacheNumEntries?afs_stats_cmperf.cacheNumEntries : 1));
468 else if (parm == AFSOP_ADVISEADDR) {
469 /* pass in the host address to the rx package */
470 afs_int32 count = parm2;
471 afs_int32 buffer[AFS_MAX_INTERFACE_ADDR];
472 afs_int32 maskbuffer[AFS_MAX_INTERFACE_ADDR];
473 afs_int32 mtubuffer[AFS_MAX_INTERFACE_ADDR];
477 if ( count > AFS_MAX_INTERFACE_ADDR ) {
479 count = AFS_MAX_INTERFACE_ADDR;
482 AFS_COPYIN( (char *)parm3, (char *)buffer, count*sizeof(afs_int32), code);
484 AFS_COPYIN((char *)parm4, (char *)maskbuffer, count*sizeof(afs_int32), code);
486 AFS_COPYIN((char *)parm5, (char *)mtubuffer, count*sizeof(afs_int32), code);
488 afs_cb_interface.numberOfInterfaces = count;
489 for (i=0; i < count ; i++) {
490 afs_cb_interface.addr_in[i] = buffer[i];
491 #ifdef AFS_USERSPACE_IP_ADDR
492 /* AFS_USERSPACE_IP_ADDR means we have no way of finding the
493 * machines IP addresses when in the kernel (the in_ifaddr
494 * struct is not available), so we pass the info in at
495 * startup. We also pass in the subnetmask and mtu size. The
496 * subnetmask is used when setting the rank:
497 * afsi_SetServerIPRank(); and the mtu size is used when
498 * finding the best mtu size. rxi_FindIfnet() is replaced
499 * with rxi_Findcbi().
501 afs_cb_interface.subnetmask[i] = (parm4 ? maskbuffer[i] : 0xffffffff);
502 afs_cb_interface.mtu[i] = (parm5 ? mtubuffer[i] : htonl(1500));
505 afs_uuid_create(&afs_cb_interface.uuid);
506 rxi_setaddr(buffer[0]);
510 else if (parm == AFSOP_NFSSTATICADDR) {
511 extern int (*nfs_rfsdisptab_v2)();
512 nfs_rfsdisptab_v2 = (int (*)())parm2;
514 else if (parm == AFSOP_NFSSTATICADDR2) {
515 extern int (*nfs_rfsdisptab_v2)();
517 nfs_rfsdisptab_v2 = (int (*)())((parm2<<32) | (parm3 & 0xffffffff));
519 nfs_rfsdisptab_v2 = (int (*)())(parm3 & 0xffffffff);
522 #if defined(AFS_SGI62_ENV) && !defined(AFS_SGI65_ENV)
523 else if (parm == AFSOP_SBLOCKSTATICADDR2) {
524 extern int (*afs_sblockp)();
525 extern void (*afs_sbunlockp)();
527 afs_sblockp = (int (*)())((parm2<<32) | (parm3 & 0xffffffff));
528 afs_sbunlockp = (void (*)())((parm4<<32) | (parm5 & 0xffffffff));
530 afs_sblockp = (int (*)())(parm3 & 0xffffffff);
531 afs_sbunlockp = (void (*)())(parm5 & 0xffffffff);
534 #endif /* AFS_SGI62_ENV && !AFS_SGI65_ENV */
535 #endif /* AFS_SGI53_ENV */
536 else if (parm == AFSOP_SHUTDOWN) {
537 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
538 extern struct mount *afs_globalVFS;
539 #else /* AFS_OSF_ENV */
540 extern struct vfs *afs_globalVFS;
542 afs_cold_shutdown = 0;
543 if (parm == 1) afs_cold_shutdown = 1;
544 if (afs_globalVFS != 0) {
545 afs_warn("AFS isn't unmounted yet! Call aborted\n");
551 #if ! defined(AFS_HPUX90_ENV) || defined(AFS_HPUX100_ENV)
552 else if (parm == AFSOP_AFS_VFSMOUNT) {
554 #if defined(AFS_HPUX100_ENV)
555 vfsmount(parm2, parm3, parm4, parm5);
557 afs_vfs_mount(parm2, parm3, parm4, parm5);
558 #endif /* AFS_HPUX100_ENV */
559 #else /* defined(AFS_HPUX_ENV) */
560 #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)
565 #endif /* defined(AFS_HPUX_ENV) */
568 else if (parm == AFSOP_CLOSEWAIT) {
569 afs_SynchronousCloses = 'S';
571 else if (parm == AFSOP_GETMTU) {
573 #if !defined(AFS_SUN5_ENV) && !defined(AFS_LINUX20_ENV)
574 #ifdef AFS_USERSPACE_IP_ADDR
576 i = rxi_Findcbi(parm2);
577 mtu = ((i == -1) ? htonl(1500) : afs_cb_interface.mtu[i]);
578 #else /* AFS_USERSPACE_IP_ADDR */
580 struct in_ifaddr *tifadp = (struct in_ifaddr *) 0;
581 extern struct ifnet *rxi_FindIfnet();
583 tifnp = rxi_FindIfnet(parm2, &tifadp); /* make iterative */
584 mtu = (tifnp ? tifnp->if_mtu : htonl(1500));
585 #endif /* else AFS_USERSPACE_IP_ADDR */
586 #endif /* !AFS_SUN5_ENV */
588 AFS_COPYOUT ((caddr_t)&mtu, (caddr_t)parm3, sizeof(afs_int32), code);
590 /* this is disabled for now because I can't figure out how to get access
591 * to these kernel variables. It's only for supporting user-mode rx
592 * programs -- it makes a huge difference on the 220's in my testbed,
593 * though I don't know why. The bosserver does this with /etc/no, so it's
594 * being handled a different way for the servers right now. */
597 extern u_long sb_max_dflt;
600 if (sb_max_dflt < 131072) sb_max_dflt = 131072;
601 if (sb_max < 131072) sb_max = 131072;
604 #endif /* AFS_AIX32_ENV */
606 else if (parm == AFSOP_GETMASK) { /* parm2 == addr in net order */
608 #if !defined(AFS_SUN5_ENV)
609 #ifdef AFS_USERSPACE_IP_ADDR
611 i = rxi_Findcbi(parm2);
613 mask = afs_cb_interface.subnetmask[i];
617 #else /* AFS_USERSPACE_IP_ADDR */
619 struct in_ifaddr *tifadp = (struct in_ifaddr *) 0;
620 extern struct ifnet *rxi_FindIfnet();
621 tifnp = rxi_FindIfnet(parm2, &tifadp); /* make iterative */
622 if (tifnp && tifadp) {
623 mask = tifadp->ia_subnetmask;
627 #endif /* else AFS_USERSPACE_IP_ADDR */
628 #endif /* !AFS_SUN5_ENV */
630 AFS_COPYOUT ((caddr_t)&mask, (caddr_t)parm3, sizeof(afs_int32), code);
633 else if (parm == AFSOP_AFSDB_HANDLER) {
634 int sizeArg = (int)parm4;
635 int kmsgLen = sizeArg & 0xffff;
636 int cellLen = (sizeArg & 0xffff0000) >> 16;
637 afs_int32 *kmsg = afs_osi_Alloc(kmsgLen);
638 char *cellname = afs_osi_Alloc(cellLen);
640 AFS_COPYIN((afs_int32 *)parm2, cellname, cellLen, code);
641 AFS_COPYIN((afs_int32 *)parm3, kmsg, kmsgLen, code);
643 code = afs_AfsdbHandler(cellname, cellLen, kmsg);
644 if (*cellname == 1) *cellname = 0;
645 if (code == -2) { /* Shutting down? */
650 if (!code) AFS_COPYOUT(cellname, (char *)parm2, cellLen, code);
651 afs_osi_Free(kmsg, kmsgLen);
652 afs_osi_Free(cellname, cellLen);
655 else if (parm == AFSOP_SET_DYNROOT) {
656 code = afs_SetDynrootEnable(parm2);
663 #ifdef AFS_LINUX20_ENV
672 #include "sys/lockl.h"
675 * syscall - this is the VRMIX system call entry point.
678 * THIS SHOULD BE CHANGED TO afs_syscall(), but requires
679 * all the user-level calls to `syscall' to change.
681 syscall(syscall, p1, p2, p3, p4, p5, p6) {
682 register rval1=0, code;
685 #ifndef AFS_AIX41_ENV
686 extern lock_t kernel_lock;
687 monster = lockl(&kernel_lock, LOCK_SHORT);
688 #endif /* !AFS_AIX41_ENV */
690 AFS_STATCNT(syscall);
694 rval1 = afs_syscall_call(p1, p2, p3, p4, p5, p6);
699 rval1 = afs_setpag();
705 rval1 = afs_syscall_pioctl(p1, p2, p3, p4);
709 case AFSCALL_ICREATE:
710 rval1 = afs_syscall_icreate(p1, p2, p3, p4, p5, p6);
714 rval1 = afs_syscall_iopen(p1, p2, p3);
718 rval1 = afs_syscall_iincdec(p1, p2, p3, -1);
722 rval1 = afs_syscall_iincdec(p1, p2, p3, 1);
727 code = Afscall_icl(p1, p2, p3, p4, p5, &retval);
729 if (!code) rval1 = retval;
730 if (!rval1) rval1 = code;
740 #ifndef AFS_AIX41_ENV
741 if (monster != LOCK_NEST)
742 unlockl(&kernel_lock);
743 #endif /* !AFS_AIX41_ENV */
744 return getuerror() ? -1 : rval1;
748 * lsetpag - interface to afs_setpag().
752 AFS_STATCNT(lsetpag);
753 return syscall(AFSCALL_SETPAG, 0, 0, 0, 0, 0);
757 * lpioctl - interface to pioctl()
759 lpioctl(path, cmd, cmarg, follow)
760 char *path, *cmarg; {
762 AFS_STATCNT(lpioctl);
763 return syscall(AFSCALL_PIOCTL, path, cmd, cmarg, follow);
766 #else /* !AFS_AIX32_ENV */
768 #if defined(AFS_SGI_ENV)
781 Afs_syscall (struct afsargs *uap, rval_t *rvp)
786 AFS_STATCNT(afs_syscall);
787 switch(uap->syscall) {
791 error=Afscall_icl(uap->parm1,uap->parm2,uap->parm3,uap->parm4,uap->parm5, &retval);
793 rvp->r_val1 = retval;
795 #ifdef AFS_SGI_XFS_IOPS_ENV
797 error = afs_syscall_idec64(uap->parm1, uap->parm2, uap->parm3,
798 uap->parm4, uap->parm5);
801 error = afs_syscall_iinc64(uap->parm1, uap->parm2, uap->parm3,
802 uap->parm4, uap->parm5);
804 case AFSCALL_ILISTINODE64:
805 error = afs_syscall_ilistinode64(uap->parm1, uap->parm2, uap->parm3,
806 uap->parm4, uap->parm5);
808 case AFSCALL_ICREATENAME64:
809 error = afs_syscall_icreatename64(uap->parm1, uap->parm2, uap->parm3,
810 uap->parm4, uap->parm5);
813 #ifdef AFS_SGI_VNODE_GLUE
814 case AFSCALL_INIT_KERNEL_CONFIG:
815 error = afs_init_kernel_config(uap->parm1);
819 error = afs_syscall_call(uap->syscall, uap->parm1, uap->parm2,
820 uap->parm3, uap->parm4, uap->parm5);
825 #else /* AFS_SGI_ENV */
843 iparam32_to_iparam(const struct iparam32 *src, struct iparam *dst)
845 dst->param1 = src->param1;
846 dst->param2 = src->param2;
847 dst->param3 = src->param3;
848 dst->param4 = src->param4;
852 * If you need to change copyin_iparam(), you may also need to change
853 * copyin_afs_ioctl().
857 copyin_iparam(caddr_t cmarg, struct iparam *dst)
861 #if defined(AFS_HPUX_64BIT_ENV)
862 struct iparam32 dst32;
864 if (is_32bit(u.u_procp)) /* is_32bit() in proc_iface.h */
866 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
868 iparam32_to_iparam(&dst32, dst);
871 #endif /* AFS_HPUX_64BIT_ENV */
873 #if defined(AFS_SUN57_64BIT_ENV)
874 struct iparam32 dst32;
876 if (get_udatamodel() == DATAMODEL_ILP32) {
877 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
879 iparam32_to_iparam(&dst32, dst);
882 #endif /* AFS_SUN57_64BIT_ENV */
884 #if defined(AFS_LINUX_64BIT_KERNEL) && !defined(AFS_ALPHA_LINUX20_ENV) && !defined(AFS_IA64_LINUX20_ENV)
885 struct iparam32 dst32;
887 #ifdef AFS_SPARC64_LINUX24_ENV
888 if (current->thread.flags & SPARC_FLAG_32BIT)
889 #elif AFS_SPARC64_LINUX20_ENV
890 if (current->tss.flags & SPARC_FLAG_32BIT)
892 #error Not done for this linux version
893 #endif /* AFS_SPARC64_LINUX20_ENV */
895 AFS_COPYIN(cmarg, (caddr_t) &dst32, sizeof dst32, code);
897 iparam32_to_iparam(&dst32, dst);
900 #endif /* AFS_LINUX_64BIT_KERNEL */
902 AFS_COPYIN(cmarg, (caddr_t) dst, sizeof *dst, code);
906 /* Main entry of all afs system calls */
908 extern int afs_sinited;
910 /** The 32 bit OS expects the members of this structure to be 32 bit
911 * quantities and the 64 bit OS expects them as 64 bit quanties. Hence
912 * to accomodate both, *long* is used instead of afs_int32
937 Afs_syscall (uap, rvp)
938 register struct afssysa *uap;
941 int *retval = &rvp->r_val1;
942 #else /* AFS_SUN5_ENV */
943 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
944 afs3_syscall(p, args, retval)
957 } *uap = (struct a *)args;
958 #else /* AFS_OSF_ENV */
959 #ifdef AFS_LINUX20_ENV
967 long parm6; /* not actually used - should be removed */
969 /* Linux system calls only set up for 5 arguments. */
970 asmlinkage int afs_syscall(long syscall, long parm1, long parm2, long parm3,
973 struct afssysargs args, *uap = &args;
975 long *retval = &linux_ret;
976 long eparm[4]; /* matches AFSCALL_ICL in fstrace.c */
977 /* eparm is also used by AFSCALL_CALL in afsd.c */
990 } *uap = (struct a *)u.u_ap;
992 #if defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV)
996 #endif /* SUN && !SUN5 */
1006 } *uap = (struct a *)u.u_ap;
1007 #endif /* UKERNEL */
1008 #if defined(AFS_DEC_ENV)
1009 int *retval = &u.u_r.r_val1;
1011 #if defined(AFS_HPUX_ENV)
1012 long *retval = &u.u_rval1;
1014 int *retval = &u.u_rval1;
1017 #endif /* AFS_LINUX20_ENV */
1018 #endif /* AFS_OSF_ENV */
1019 #endif /* AFS_SUN5_ENV */
1020 register int code = 0;
1022 AFS_STATCNT(afs_syscall);
1029 #ifdef AFS_LINUX20_ENV
1031 /* setup uap for use below - pull out the magic decoder ring to know
1032 * which syscalls have folded argument lists.
1034 uap->syscall = syscall;
1038 if (syscall == AFSCALL_ICL || syscall == AFSCALL_CALL) {
1039 AFS_COPYIN((char*)parm4, (char*)eparm, sizeof(eparm), code);
1040 uap->parm4 = eparm[0];
1041 uap->parm5 = eparm[1];
1042 uap->parm6 = eparm[2];
1051 #if defined(AFS_HPUX_ENV)
1053 * There used to be code here (duplicated from osi_Init()) for
1054 * initializing the semaphore used by AFS_GLOCK(). Was the
1055 * duplication to handle the case of a dynamically loaded kernel
1060 if (uap->syscall == AFSCALL_CALL) {
1062 code = afs_syscall_call(uap->parm1, uap->parm2, uap->parm3,
1063 uap->parm4, uap->parm5, uap->parm6, rvp, CRED());
1065 code = afs_syscall_call(uap->parm1, uap->parm2, uap->parm3, uap->parm4, uap->parm5, uap->parm6);
1067 } else if (uap->syscall == AFSCALL_SETPAG) {
1070 register proc_t *procp;
1072 procp = ttoproc(curthread);
1073 mutex_enter(&procp->p_crlock);
1074 cred = procp->p_cred;
1076 code = afs_setpag(&cred);
1078 procp->p_cred = cred;
1079 mutex_exit(&procp->p_crlock);
1082 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1083 code = afs_setpag(p, args, retval);
1084 #else /* AFS_OSF_ENV */
1085 code = afs_setpag();
1089 } else if (uap->syscall == AFSCALL_PIOCTL) {
1092 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, rvp, CRED());
1094 #if defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1095 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, p->p_cred->pc_ucred);
1097 code = afs_syscall_pioctl(uap->parm1, uap->parm2, uap->parm3, uap->parm4);
1101 } else if (uap->syscall == AFSCALL_ICREATE) {
1102 struct iparam iparams;
1104 code = copyin_iparam((char *)uap->parm3, &iparams);
1106 #if !defined(AFS_SUN5_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1111 code = afs_syscall_icreate(uap->parm1, uap->parm2, iparams.param1, iparams.param2,
1112 iparams.param3, iparams.param4, rvp, CRED());
1114 code = afs_syscall_icreate(uap->parm1, uap->parm2, iparams.param1, iparams.param2,
1115 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1116 iparams.param3, iparams.param4, retval);
1118 iparams.param3, iparams.param4);
1120 #endif /* AFS_SUN5_ENV */
1121 } else if (uap->syscall == AFSCALL_IOPEN) {
1123 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3, rvp, CRED());
1125 #if defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1126 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3, retval);
1128 code = afs_syscall_iopen(uap->parm1, uap->parm2, uap->parm3);
1130 #endif /* AFS_SUN5_ENV */
1131 } else if (uap->syscall == AFSCALL_IDEC) {
1133 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, -1, rvp, CRED());
1135 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, -1);
1136 #endif /* AFS_SUN5_ENV */
1137 } else if (uap->syscall == AFSCALL_IINC) {
1139 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, 1, rvp, CRED());
1141 code = afs_syscall_iincdec(uap->parm1, uap->parm2, uap->parm3, 1);
1142 #endif /* AFS_SUN5_ENV */
1143 } else if (uap->syscall == AFSCALL_ICL) {
1145 code = Afscall_icl(uap->parm1, uap->parm2, uap->parm3, uap->parm4, uap->parm5, retval);
1147 #ifdef AFS_LINUX20_ENV
1149 /* ICL commands can return values. */
1150 code = -linux_ret; /* Gets negated again at exit below */
1154 #if !defined(AFS_SUN5_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1158 #endif /* !AFS_LINUX20_ENV */
1160 #if defined(AFS_SUN5_ENV) || defined(AFS_OSF_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1164 #endif /* AFS_SUN5_ENV */
1167 #ifdef AFS_LINUX20_ENV
1173 #endif /* AFS_SGI_ENV */
1174 #endif /* !AFS_AIX32_ENV */
1177 * Initstate in the range 0 < x < 100 are early initialization states.
1178 * Initstate of 100 means a AFSOP_START operation has been done. After this,
1179 * the cache may be initialized.
1180 * Initstate of 101 means a AFSOP_GO operation has been done. This operation
1181 * is done after all the cache initialization has been done.
1182 * Initstate of 200 means that the volume has been looked up once, possibly
1184 * Initstate of 300 means that the volume has been *successfully* looked up.
1187 register int code = 0;
1189 AFS_STATCNT(afs_CheckInit);
1190 if (afs_initState <= 100)
1191 code = ENXIO; /* never finished init phase */
1192 else if (afs_initState == 101) { /* init done, wait for afs_daemon */
1193 while (afs_initState < 200) afs_osi_Sleep(&afs_initState);
1194 } else if (afs_initState == 200)
1195 code = ETIMEDOUT; /* didn't find root volume */
1199 int afs_shuttingdown = 0;
1203 extern short afs_brsDaemons;
1204 extern afs_int32 afs_CheckServerDaemonStarted;
1205 extern struct afs_osi_WaitHandle AFS_WaitHandler, AFS_CSWaitHandler;
1206 extern struct osi_file *afs_cacheInodep;
1208 AFS_STATCNT(afs_shutdown);
1209 if (afs_shuttingdown) return;
1210 afs_shuttingdown = 1;
1211 if (afs_cold_shutdown) afs_warn("COLD ");
1212 else afs_warn("WARM ");
1213 afs_warn("shutting down of: CB... ");
1215 afs_termState = AFSOP_STOP_RXCALLBACK;
1216 rx_WakeupServerProcs();
1217 /* shutdown_rxkernel(); */
1218 while (afs_termState == AFSOP_STOP_RXCALLBACK)
1219 afs_osi_Sleep(&afs_termState);
1221 afs_warn("afs... ");
1222 while (afs_termState == AFSOP_STOP_AFS) {
1223 afs_osi_CancelWait(&AFS_WaitHandler);
1224 afs_osi_Sleep(&afs_termState);
1226 if (afs_CheckServerDaemonStarted) {
1227 while (afs_termState == AFSOP_STOP_CS) {
1228 afs_osi_CancelWait(&AFS_CSWaitHandler);
1229 afs_osi_Sleep(&afs_termState);
1232 afs_warn("BkG... ");
1233 /* Wake-up afs_brsDaemons so that we don't have to wait for a bkg job! */
1234 while (afs_termState == AFSOP_STOP_BKG) {
1235 afs_osi_Wakeup(&afs_brsDaemons);
1236 afs_osi_Sleep(&afs_termState);
1238 afs_warn("CTrunc... ");
1239 /* Cancel cache truncate daemon. */
1240 while (afs_termState == AFSOP_STOP_TRUNCDAEMON) {
1241 afs_osi_Wakeup((char*)&afs_CacheTruncateDaemon);
1242 afs_osi_Sleep(&afs_termState);
1244 #ifdef AFS_AFSDB_ENV
1245 afs_warn("AFSDB... ");
1247 while (afs_termState == AFSOP_STOP_AFSDB)
1248 afs_osi_Sleep(&afs_termState);
1250 #if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV)
1251 afs_warn("RxEvent... ");
1252 /* cancel rx event deamon */
1253 while (afs_termState == AFSOP_STOP_RXEVENT)
1254 afs_osi_Sleep(&afs_termState);
1255 #if defined(RXK_LISTENER_ENV)
1256 afs_warn("RxListener... ");
1257 /* cancel rx listener */
1258 osi_StopListener(); /* This closes rx_socket. */
1259 while (afs_termState == AFSOP_STOP_RXK_LISTENER)
1260 afs_osi_Sleep(&afs_termState);
1263 afs_termState = AFSOP_STOP_COMPLETE;
1267 /* Close file only after daemons which can write to it are stopped. */
1268 if (afs_cacheInodep) /* memcache won't set this */
1270 osi_UFSClose(afs_cacheInodep); /* Since we always leave it open */
1271 afs_cacheInodep = 0;
1273 return; /* Just kill daemons for now */
1277 shutdown_rxkernel();
1281 shutdown_bufferpackage();
1287 shutdown_vnodeops();
1289 shutdown_exporter();
1290 shutdown_memcache();
1291 #if !defined(AFS_NONFSTRANS) || defined(AFS_AIX_IAUTH_ENV)
1292 #if !defined(AFS_DEC_ENV) && !defined(AFS_OSF_ENV)
1293 /* this routine does not exist in Ultrix systems... 93.01.19 */
1295 #endif /* AFS_DEC_ENV */
1298 /* The following hold the cm stats */
1300 memset(&afs_cmstats, 0, sizeof(struct afs_CMStats));
1301 memset(&afs_stats_cmperf, 0, sizeof(struct afs_stats_CMPerf));
1302 memset(&afs_stats_cmfullperf, 0, sizeof(struct afs_stats_CMFullPerf));
1304 afs_warn(" ALL allocated tables\n");
1305 afs_shuttingdown = 0;
1311 AFS_STATCNT(shutdown_afstest);
1312 afs_initState = afs_termState = afs_setTime = 0;
1313 AFS_Running = afs_CB_Running = 0;
1314 afs_CacheInit_Done = afs_Go_Done = 0;
1315 if (afs_cold_shutdown) {
1316 *afs_rootVolumeName = 0;
1321 /* In case there is a bunch of dynamically build bkg daemons to free */
1323 { AFS_STATCNT(shutdown_BKG); }
1326 #if defined(AFS_ALPHA_ENV) || defined(AFS_SGI61_ENV)
1327 /* For SGI 6.2, this can is changed to 1 if it's a 32 bit kernel. */
1328 #if defined(AFS_SGI62_ENV) && defined(KERNEL) && !defined(_K64U64)
1329 int afs_icl_sizeofLong = 1;
1331 int afs_icl_sizeofLong = 2;
1334 int afs_icl_sizeofLong = 1;
1337 int afs_icl_inited = 0;
1339 /* init function, called once, under afs_icl_lock */
1346 extern struct afs_icl_log *afs_icl_FindLog();
1347 extern struct afs_icl_set *afs_icl_FindSet();
1351 Afscall_icl(long opcode, long p1, long p2, long p3, long p4, long *retval)
1354 afs_int32 *lp, elts, flags;
1355 register afs_int32 code;
1356 struct afs_icl_log *logp;
1357 struct afs_icl_set *setp;
1358 #if defined(AFS_SGI61_ENV) || defined(AFS_SUN57_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_FBSD_ENV)
1360 #else /* AFS_SGI61_ENV */
1362 #endif /* AFS_SGI61_ENV */
1364 afs_int32 startCookie;
1365 afs_int32 allocated;
1366 struct afs_icl_log *tlp;
1369 if (!afs_suser(CRED())) { /* only root can run this code */
1373 if (!afs_suser()) { /* only root can run this code */
1374 #if !defined(AFS_SGI_ENV) && !defined(AFS_OSF_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_FBSD_ENV)
1383 case ICL_OP_COPYOUTCLR: /* copy out data then clear */
1384 case ICL_OP_COPYOUT: /* copy ouy data */
1385 /* copyout: p1=logname, p2=&buffer, p3=size(words), p4=&cookie
1386 * return flags<<24 + nwords.
1387 * updates cookie to updated start (not end) if we had to
1388 * skip some records.
1390 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1391 if (code) return code;
1392 AFS_COPYIN((char *)p4, (char *)&startCookie, sizeof(afs_int32), code);
1393 if (code) return code;
1394 logp = afs_icl_FindLog(tname);
1395 if (!logp) return ENOENT;
1396 #define BUFFERSIZE AFS_LRALLOCSIZ
1397 lp = (afs_int32 *) osi_AllocLargeSpace(AFS_LRALLOCSIZ);
1398 elts = BUFFERSIZE / sizeof(afs_int32);
1399 if (p3 < elts) elts = p3;
1400 flags = (opcode == ICL_OP_COPYOUT) ? 0 : ICL_COPYOUTF_CLRAFTERREAD;
1401 code = afs_icl_CopyOut(logp, lp, &elts, (afs_uint32 *) &startCookie,
1404 osi_FreeLargeSpace((struct osi_buffer *) lp);
1407 AFS_COPYOUT((char *)lp, (char *)p2, elts * sizeof(afs_int32), code);
1408 if (code) goto done;
1409 AFS_COPYOUT((char *) &startCookie, (char *)p4, sizeof(afs_int32), code);
1410 if (code) goto done;
1411 *retval = (flags<<24) | (elts & 0xffffff);
1413 afs_icl_LogRele(logp);
1414 osi_FreeLargeSpace((struct osi_buffer *) lp);
1417 case ICL_OP_ENUMLOGS: /* enumerate logs */
1418 /* enumerate logs: p1=index, p2=&name, p3=sizeof(name), p4=&size.
1419 * return 0 for success, otherwise error.
1421 for(tlp = afs_icl_allLogs; tlp; tlp=tlp->nextp) {
1422 if (p1-- == 0) break;
1424 if (!tlp) return ENOENT; /* past the end of file */
1425 temp = strlen(tlp->name)+1;
1426 if (temp > p3) return EINVAL;
1427 AFS_COPYOUT(tlp->name, (char *) p2, temp, code);
1428 if (!code) /* copy out size of log */
1429 AFS_COPYOUT((char *)&tlp->logSize, (char *)p4, sizeof (afs_int32), code);
1432 case ICL_OP_ENUMLOGSBYSET: /* enumerate logs by set name */
1433 /* enumerate logs: p1=setname, p2=index, p3=&name, p4=sizeof(name).
1434 * return 0 for success, otherwise error.
1436 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1437 if (code) return code;
1438 setp = afs_icl_FindSet(tname);
1439 if (!setp) return ENOENT;
1440 if (p2 > ICL_LOGSPERSET)
1442 if (!(tlp = setp->logs[p2]))
1444 temp = strlen(tlp->name)+1;
1445 if (temp > p4) return EINVAL;
1446 AFS_COPYOUT(tlp->name, (char *)p3, temp, code);
1449 case ICL_OP_CLRLOG: /* clear specified log */
1450 /* zero out the specified log: p1=logname */
1451 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1452 if (code) return code;
1453 logp = afs_icl_FindLog(tname);
1454 if (!logp) return ENOENT;
1455 code = afs_icl_ZeroLog(logp);
1456 afs_icl_LogRele(logp);
1459 case ICL_OP_CLRSET: /* clear specified set */
1460 /* zero out the specified set: p1=setname */
1461 AFS_COPYINSTR((char *)p1, tname, sizeof (tname), &temp, code);
1462 if (code) return code;
1463 setp = afs_icl_FindSet(tname);
1464 if (!setp) return ENOENT;
1465 code = afs_icl_ZeroSet(setp);
1466 afs_icl_SetRele(setp);
1469 case ICL_OP_CLRALL: /* clear all logs */
1470 /* zero out all logs -- no args */
1472 ObtainWriteLock(&afs_icl_lock,178);
1473 for(tlp = afs_icl_allLogs; tlp; tlp=tlp->nextp) {
1474 tlp->refCount++; /* hold this guy */
1475 ReleaseWriteLock(&afs_icl_lock);
1476 /* don't clear persistent logs */
1477 if ((tlp->states & ICL_LOGF_PERSISTENT) == 0)
1478 code = afs_icl_ZeroLog(tlp);
1479 ObtainWriteLock(&afs_icl_lock,179);
1480 if (--tlp->refCount == 0)
1481 afs_icl_ZapLog(tlp);
1484 ReleaseWriteLock(&afs_icl_lock);
1487 case ICL_OP_ENUMSETS: /* enumerate all sets */
1488 /* enumerate sets: p1=index, p2=&name, p3=sizeof(name), p4=&states.
1489 * return 0 for success, otherwise error.
1491 for(setp = afs_icl_allSets; setp; setp = setp->nextp) {
1492 if (p1-- == 0) break;
1494 if (!setp) return ENOENT; /* past the end of file */
1495 temp = strlen(setp->name)+1;
1496 if (temp > p3) return EINVAL;
1497 AFS_COPYOUT(setp->name, (char *)p2, temp, code);
1498 if (!code) /* copy out size of log */
1499 AFS_COPYOUT((char *)&setp->states,(char *)p4, sizeof (afs_int32), code);
1502 case ICL_OP_SETSTAT: /* set status on a set */
1503 /* activate the specified set: p1=setname, p2=op */
1504 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1505 if (code) return code;
1506 setp = afs_icl_FindSet(tname);
1507 if (!setp) return ENOENT;
1508 code = afs_icl_SetSetStat(setp, p2);
1509 afs_icl_SetRele(setp);
1512 case ICL_OP_SETSTATALL: /* set status on all sets */
1513 /* activate the specified set: p1=op */
1515 ObtainWriteLock(&afs_icl_lock,180);
1516 for(setp = afs_icl_allSets; setp; setp=setp->nextp) {
1517 setp->refCount++; /* hold this guy */
1518 ReleaseWriteLock(&afs_icl_lock);
1519 /* don't set states on persistent sets */
1520 if ((setp->states & ICL_SETF_PERSISTENT) == 0)
1521 code = afs_icl_SetSetStat(setp, p1);
1522 ObtainWriteLock(&afs_icl_lock,181);
1523 if (--setp->refCount == 0)
1524 afs_icl_ZapSet(setp);
1527 ReleaseWriteLock(&afs_icl_lock);
1530 case ICL_OP_SETLOGSIZE: /* set size of log */
1531 /* set the size of the specified log: p1=logname, p2=size (in words) */
1532 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1533 if (code) return code;
1534 logp = afs_icl_FindLog(tname);
1535 if (!logp) return ENOENT;
1536 code = afs_icl_LogSetSize(logp, p2);
1537 afs_icl_LogRele(logp);
1540 case ICL_OP_GETLOGINFO: /* get size of log */
1541 /* zero out the specified log: p1=logname, p2=&logSize, p3=&allocated */
1542 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1543 if (code) return code;
1544 logp = afs_icl_FindLog(tname);
1545 if (!logp) return ENOENT;
1546 allocated = !!logp->datap;
1547 AFS_COPYOUT((char *)&logp->logSize, (char *) p2, sizeof(afs_int32), code);
1549 AFS_COPYOUT((char *)&allocated, (char *) p3, sizeof(afs_int32), code);
1550 afs_icl_LogRele(logp);
1553 case ICL_OP_GETSETINFO: /* get state of set */
1554 /* zero out the specified set: p1=setname, p2=&state */
1555 AFS_COPYINSTR((char *)p1, tname, sizeof(tname), &temp, code);
1556 if (code) return code;
1557 setp = afs_icl_FindSet(tname);
1558 if (!setp) return ENOENT;
1559 AFS_COPYOUT((char *)&setp->states, (char *) p2, sizeof(afs_int32), code);
1560 afs_icl_SetRele(setp);
1571 afs_lock_t afs_icl_lock;
1573 /* exported routine: a 4 parameter event */
1574 afs_icl_Event4(setp, eventID, lAndT, p1, p2, p3, p4)
1575 register struct afs_icl_set *setp;
1578 long p1, p2, p3, p4;
1580 register struct afs_icl_log *logp;
1583 register afs_int32 tmask;
1586 /* If things aren't init'ed yet (or the set is inactive), don't panic */
1587 if (!ICL_SETACTIVE(setp)) return;
1590 mask = lAndT>>24 & 0xff; /* mask of which logs to log to */
1591 ix = ICL_EVENTBYTE(eventID);
1592 ObtainReadLock(&setp->lock);
1593 if (setp->eventFlags[ix] & ICL_EVENTMASK(eventID)) {
1594 for(i=0, tmask = 1; i<ICL_LOGSPERSET; i++, tmask <<= 1) {
1596 afs_icl_AppendRecord(setp->logs[i], eventID, lAndT & 0xffffff,
1600 if (mask == 0) break; /* break early */
1603 ReleaseReadLock(&setp->lock);
1606 /* Next 4 routines should be implemented via var-args or something.
1607 * Whole purpose is to avoid compiler warnings about parameter # mismatches.
1608 * Otherwise, could call afs_icl_Event4 directly.
1610 afs_icl_Event3(setp, eventID, lAndT, p1, p2, p3)
1611 register struct afs_icl_set *setp;
1616 return afs_icl_Event4(setp, eventID, lAndT, p1, p2, p3, (long)0);
1619 afs_icl_Event2(setp, eventID, lAndT, p1, p2)
1620 register struct afs_icl_set *setp;
1625 return afs_icl_Event4(setp, eventID, lAndT, p1, p2, (long)0, (long)0);
1628 afs_icl_Event1(setp, eventID, lAndT, p1)
1629 register struct afs_icl_set *setp;
1634 return afs_icl_Event4(setp, eventID, lAndT, p1, (long)0, (long)0, (long)0);
1637 afs_icl_Event0(setp, eventID, lAndT)
1638 register struct afs_icl_set *setp;
1642 return afs_icl_Event4(setp, eventID, lAndT, (long)0, (long)0, (long)0, (long)0);
1645 struct afs_icl_log *afs_icl_allLogs = 0;
1647 /* function to purge records from the start of the log, until there
1648 * is at least minSpace long's worth of space available without
1649 * making the head and the tail point to the same word.
1651 * Log must be write-locked.
1653 static afs_icl_GetLogSpace(logp, minSpace)
1654 register struct afs_icl_log *logp;
1657 register unsigned int tsize;
1659 while (logp->logSize - logp->logElements <= minSpace) {
1661 tsize = ((logp->datap[logp->firstUsed]) >> 24) & 0xff;
1662 logp->logElements -= tsize;
1663 logp->firstUsed += tsize;
1664 if (logp->firstUsed >= logp->logSize)
1665 logp->firstUsed -= logp->logSize;
1666 logp->baseCookie += tsize;
1670 /* append string astr to buffer, including terminating null char.
1672 * log must be write-locked.
1674 #define ICL_CHARSPERLONG 4
1675 static afs_int32 afs_icl_AppendString(logp, astr)
1676 struct afs_icl_log *logp;
1679 char *op; /* ptr to char to write */
1681 register int bib; /* bytes in buffer */
1684 op = (char *) &(logp->datap[logp->firstFree]);
1688 if (++bib >= ICL_CHARSPERLONG) {
1691 if (++(logp->firstFree) >= logp->logSize) {
1692 logp->firstFree = 0;
1693 op = (char *) &(logp->datap[0]);
1695 logp->logElements++;
1700 /* if we've used this word at all, allocate it */
1701 if (++(logp->firstFree) >= logp->logSize) {
1702 logp->firstFree = 0;
1704 logp->logElements++;
1708 /* add a long to the log, ignoring overflow (checked already) */
1709 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1710 #define ICL_APPENDINT32(lp, x) \
1712 (lp)->datap[(lp)->firstFree] = (x); \
1713 if (++((lp)->firstFree) >= (lp)->logSize) { \
1714 (lp)->firstFree = 0; \
1716 (lp)->logElements++; \
1719 #define ICL_APPENDLONG(lp, x) \
1721 ICL_APPENDINT32((lp), ((x) >> 32) & 0xffffffffL); \
1722 ICL_APPENDINT32((lp), (x) & 0xffffffffL); \
1725 #else /* AFS_ALPHA_ENV */
1726 #define ICL_APPENDLONG(lp, x) \
1728 (lp)->datap[(lp)->firstFree] = (x); \
1729 if (++((lp)->firstFree) >= (lp)->logSize) { \
1730 (lp)->firstFree = 0; \
1732 (lp)->logElements++; \
1734 #define ICL_APPENDINT32(lp, x) ICL_APPENDLONG((lp), (x))
1735 #endif /* AFS_ALPHA_ENV */
1737 /* routine to tell whether we're dealing with the address or the
1740 afs_icl_UseAddr(type)
1743 if (type == ICL_TYPE_HYPER || type == ICL_TYPE_STRING
1744 || type == ICL_TYPE_FID || type == ICL_TYPE_INT64)
1750 /* Function to append a record to the log. Written for speed
1751 * since we know that we're going to have to make this work fast
1752 * pretty soon, anyway. The log must be unlocked.
1755 afs_icl_AppendRecord(logp, op, types, p1, p2, p3, p4)
1756 register struct afs_icl_log *logp;
1759 long p1, p2, p3, p4;
1761 int rsize; /* record size in longs */
1762 register int tsize; /* temp size */
1766 t4 = types & 0x3f; /* decode types */
1774 osi_GetTime(&tv); /* It panics for solaris if inside */
1775 ObtainWriteLock(&logp->lock,182);
1777 ReleaseWriteLock(&logp->lock);
1781 /* get timestamp as # of microseconds since some time that doesn't
1782 * change that often. This algorithm ticks over every 20 minutes
1783 * or so (1000 seconds). Write a timestamp record if it has.
1785 if (tv.tv_sec - logp->lastTS > 1024)
1787 /* the timer has wrapped -- write a timestamp record */
1788 if (logp->logSize - logp->logElements <= 5)
1789 afs_icl_GetLogSpace(logp, 5);
1791 ICL_APPENDINT32(logp, (afs_int32)(5<<24) + (ICL_TYPE_UNIXDATE<<18));
1792 ICL_APPENDINT32(logp, (afs_int32)ICL_INFO_TIMESTAMP);
1793 ICL_APPENDINT32(logp, (afs_int32)0); /* use thread ID zero for clocks */
1794 ICL_APPENDINT32(logp,
1795 (afs_int32)(tv.tv_sec & 0x3ff) * 1000000 + tv.tv_usec);
1796 ICL_APPENDINT32(logp, (afs_int32)tv.tv_sec);
1798 logp->lastTS = tv.tv_sec;
1801 rsize = 4; /* base case */
1803 /* compute size of parameter p1. Only tricky case is string.
1804 * In that case, we have to call strlen to get the string length.
1806 ICL_SIZEHACK(t1, p1);
1809 /* compute size of parameter p2. Only tricky case is string.
1810 * In that case, we have to call strlen to get the string length.
1812 ICL_SIZEHACK(t2, p2);
1815 /* compute size of parameter p3. Only tricky case is string.
1816 * In that case, we have to call strlen to get the string length.
1818 ICL_SIZEHACK(t3, p3);
1821 /* compute size of parameter p4. Only tricky case is string.
1822 * In that case, we have to call strlen to get the string length.
1824 ICL_SIZEHACK(t4, p4);
1827 /* At this point, we've computed all of the parameter sizes, and
1828 * have in rsize the size of the entire record we want to append.
1829 * Next, we check that we actually have room in the log to do this
1830 * work, and then we do the append.
1833 ReleaseWriteLock(&logp->lock);
1834 return; /* log record too big to express */
1837 if (logp->logSize - logp->logElements <= rsize)
1838 afs_icl_GetLogSpace(logp, rsize);
1840 ICL_APPENDINT32(logp,
1841 (afs_int32)(rsize<<24) + (t1<<18) + (t2<<12) + (t3<<6) + t4);
1842 ICL_APPENDINT32(logp, (afs_int32)op);
1843 ICL_APPENDINT32(logp, (afs_int32)osi_ThreadUnique());
1844 ICL_APPENDINT32(logp, (afs_int32)(tv.tv_sec & 0x3ff) * 1000000 + tv.tv_usec);
1847 /* marshall parameter 1 now */
1848 if (t1 == ICL_TYPE_STRING) {
1849 afs_icl_AppendString(logp, (char *) p1);
1851 else if (t1 == ICL_TYPE_HYPER) {
1852 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p1)->high);
1853 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p1)->low);
1855 else if (t1 == ICL_TYPE_INT64) {
1856 #ifdef AFSLITTLE_ENDIAN
1857 #ifdef AFS_64BIT_CLIENT
1858 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[1]);
1859 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[0]);
1860 #else /* AFS_64BIT_CLIENT */
1861 ICL_APPENDINT32(logp, (afs_int32) p1);
1862 ICL_APPENDINT32(logp, (afs_int32) 0);
1863 #endif /* AFS_64BIT_CLIENT */
1864 #else /* AFSLITTLE_ENDIAN */
1865 #ifdef AFS_64BIT_CLIENT
1866 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[0]);
1867 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[1]);
1868 #else /* AFS_64BIT_CLIENT */
1869 ICL_APPENDINT32(logp, (afs_int32) 0);
1870 ICL_APPENDINT32(logp, (afs_int32) p1);
1871 #endif /* AFS_64BIT_CLIENT */
1872 #endif /* AFSLITTLE_ENDIAN */
1874 else if (t1 == ICL_TYPE_FID) {
1875 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[0]);
1876 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[1]);
1877 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[2]);
1878 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p1)[3]);
1880 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1881 else if (t1 == ICL_TYPE_INT32)
1882 ICL_APPENDINT32(logp, (afs_int32)p1);
1883 #endif /* AFS_ALPHA_ENV */
1884 else ICL_APPENDLONG(logp, p1);
1887 /* marshall parameter 2 now */
1888 if (t2 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p2);
1889 else if (t2 == ICL_TYPE_HYPER) {
1890 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p2)->high);
1891 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p2)->low);
1893 else if (t2 == ICL_TYPE_INT64) {
1894 #ifdef AFSLITTLE_ENDIAN
1895 #ifdef AFS_64BIT_CLIENT
1896 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[1]);
1897 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[0]);
1898 #else /* AFS_64BIT_CLIENT */
1899 ICL_APPENDINT32(logp, (afs_int32) p2);
1900 ICL_APPENDINT32(logp, (afs_int32) 0);
1901 #endif /* AFS_64BIT_CLIENT */
1902 #else /* AFSLITTLE_ENDIAN */
1903 #ifdef AFS_64BIT_CLIENT
1904 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[0]);
1905 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[1]);
1906 #else /* AFS_64BIT_CLIENT */
1907 ICL_APPENDINT32(logp, (afs_int32) 0);
1908 ICL_APPENDINT32(logp, (afs_int32) p2);
1909 #endif /* AFS_64BIT_CLIENT */
1910 #endif /* AFSLITTLE_ENDIAN */
1912 else if (t2 == ICL_TYPE_FID) {
1913 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[0]);
1914 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[1]);
1915 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[2]);
1916 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p2)[3]);
1918 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1919 else if (t2 == ICL_TYPE_INT32)
1920 ICL_APPENDINT32(logp, (afs_int32)p2);
1921 #endif /* AFS_ALPHA_ENV */
1922 else ICL_APPENDLONG(logp, p2);
1925 /* marshall parameter 3 now */
1926 if (t3 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p3);
1927 else if (t3 == ICL_TYPE_HYPER) {
1928 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p3)->high);
1929 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p3)->low);
1931 else if (t3 == ICL_TYPE_INT64) {
1932 #ifdef AFSLITTLE_ENDIAN
1933 #ifdef AFS_64BIT_CLIENT
1934 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[1]);
1935 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[0]);
1936 #else /* AFS_64BIT_CLIENT */
1937 ICL_APPENDINT32(logp, (afs_int32) p3);
1938 ICL_APPENDINT32(logp, (afs_int32) 0);
1939 #endif /* AFS_64BIT_CLIENT */
1940 #else /* AFSLITTLE_ENDIAN */
1941 #ifdef AFS_64BIT_CLIENT
1942 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[0]);
1943 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[1]);
1944 #else /* AFS_64BIT_CLIENT */
1945 ICL_APPENDINT32(logp, (afs_int32) 0);
1946 ICL_APPENDINT32(logp, (afs_int32) p3);
1947 #endif /* AFS_64BIT_CLIENT */
1948 #endif /* AFSLITTLE_ENDIAN */
1950 else if (t3 == ICL_TYPE_FID) {
1951 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[0]);
1952 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[1]);
1953 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[2]);
1954 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p3)[3]);
1956 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1957 else if (t3 == ICL_TYPE_INT32)
1958 ICL_APPENDINT32(logp, (afs_int32)p3);
1959 #endif /* AFS_ALPHA_ENV */
1960 else ICL_APPENDLONG(logp, p3);
1963 /* marshall parameter 4 now */
1964 if (t4 == ICL_TYPE_STRING) afs_icl_AppendString(logp, (char *) p4);
1965 else if (t4 == ICL_TYPE_HYPER) {
1966 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p4)->high);
1967 ICL_APPENDINT32(logp, (afs_int32)((struct afs_hyper_t *)p4)->low);
1969 else if (t4 == ICL_TYPE_INT64) {
1970 #ifdef AFSLITTLE_ENDIAN
1971 #ifdef AFS_64BIT_CLIENT
1972 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[1]);
1973 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[0]);
1974 #else /* AFS_64BIT_CLIENT */
1975 ICL_APPENDINT32(logp, (afs_int32) p4);
1976 ICL_APPENDINT32(logp, (afs_int32) 0);
1977 #endif /* AFS_64BIT_CLIENT */
1978 #else /* AFSLITTLE_ENDIAN */
1979 #ifdef AFS_64BIT_CLIENT
1980 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[0]);
1981 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[1]);
1982 #else /* AFS_64BIT_CLIENT */
1983 ICL_APPENDINT32(logp, (afs_int32) 0);
1984 ICL_APPENDINT32(logp, (afs_int32) p4);
1985 #endif /* AFS_64BIT_CLIENT */
1986 #endif /* AFSLITTLE_ENDIAN */
1988 else if (t4 == ICL_TYPE_FID) {
1989 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[0]);
1990 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[1]);
1991 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[2]);
1992 ICL_APPENDINT32(logp, (afs_int32)((afs_int32 *)p4)[3]);
1994 #if defined(AFS_ALPHA_ENV) || (defined(AFS_SGI61_ENV) && (_MIPS_SZLONG==64))
1995 else if (t4 == ICL_TYPE_INT32)
1996 ICL_APPENDINT32(logp, (afs_int32)p4);
1997 #endif /* AFS_ALPHA_ENV */
1998 else ICL_APPENDLONG(logp, p4);
2000 ReleaseWriteLock(&logp->lock);
2003 /* create a log with size logSize; return it in *outLogpp and tag
2004 * it with name "name."
2006 afs_icl_CreateLog(name, logSize, outLogpp)
2009 struct afs_icl_log **outLogpp;
2011 return afs_icl_CreateLogWithFlags(name, logSize, /*flags*/0, outLogpp);
2014 /* create a log with size logSize; return it in *outLogpp and tag
2015 * it with name "name." 'flags' can be set to make the log unclearable.
2017 afs_icl_CreateLogWithFlags(name, logSize, flags, outLogpp)
2021 struct afs_icl_log **outLogpp;
2023 register struct afs_icl_log *logp;
2025 /* add into global list under lock */
2026 ObtainWriteLock(&afs_icl_lock,183);
2027 if (!afs_icl_inited) afs_icl_Init();
2029 for (logp = afs_icl_allLogs; logp; logp=logp->nextp) {
2030 if (strcmp(logp->name, name) == 0) {
2031 /* found it already created, just return it */
2034 if (flags & ICL_CRLOG_FLAG_PERSISTENT)
2036 ObtainWriteLock(&logp->lock,184);
2037 logp->states |= ICL_LOGF_PERSISTENT;
2038 ReleaseWriteLock(&logp->lock);
2040 ReleaseWriteLock(&afs_icl_lock);
2045 logp = (struct afs_icl_log *)
2046 osi_AllocSmallSpace(sizeof(struct afs_icl_log));
2047 memset((caddr_t)logp, 0, sizeof(*logp));
2050 logp->name = osi_AllocSmallSpace(strlen(name)+1);
2051 strcpy(logp->name, name);
2052 LOCK_INIT(&logp->lock, "logp lock");
2053 logp->logSize = logSize;
2054 logp->datap = (afs_int32 *)0; /* don't allocate it until we need it */
2056 if (flags & ICL_CRLOG_FLAG_PERSISTENT)
2057 logp->states |= ICL_LOGF_PERSISTENT;
2059 logp->nextp = afs_icl_allLogs;
2060 afs_icl_allLogs = logp;
2061 ReleaseWriteLock(&afs_icl_lock);
2067 /* called with a log, a pointer to a buffer, the size of the buffer
2068 * (in *bufSizep), the starting cookie (in *cookiep, use 0 at the start)
2069 * and returns data in the provided buffer, and returns output flags
2070 * in *flagsp. The flag ICL_COPYOUTF_MISSEDSOME is set if we can't
2071 * find the record with cookie value cookie.
2073 afs_icl_CopyOut(logp, bufferp, bufSizep, cookiep, flagsp)
2074 register struct afs_icl_log *logp;
2076 afs_int32 *bufSizep;
2077 afs_uint32 *cookiep;
2080 afs_int32 nwords; /* number of words to copy out */
2081 afs_uint32 startCookie; /* first cookie to use */
2082 register afs_int32 i;
2083 afs_int32 outWords; /* words we've copied out */
2084 afs_int32 inWords; /* max words to copy out */
2085 afs_int32 code; /* return code */
2086 afs_int32 ix; /* index we're copying from */
2087 afs_int32 outFlags; /* return flags */
2088 afs_int32 inFlags; /* flags passed in */
2091 inWords = *bufSizep; /* max to copy out */
2092 outWords = 0; /* amount copied out */
2093 startCookie = *cookiep;
2098 ObtainWriteLock(&logp->lock,185);
2100 ReleaseWriteLock(&logp->lock);
2104 /* first, compute the index of the start cookie we've been passed */
2106 /* (re-)compute where we should start */
2107 if (startCookie < logp->baseCookie) {
2108 if (startCookie) /* missed some output */
2109 outFlags |= ICL_COPYOUTF_MISSEDSOME;
2110 /* skip to the first available record */
2111 startCookie = logp->baseCookie;
2112 *cookiep = startCookie;
2115 /* compute where we find the first element to copy out */
2116 ix = logp->firstUsed + startCookie - logp->baseCookie;
2117 if (ix >= logp->logSize) ix -= logp->logSize;
2119 /* if have some data now, break out and process it */
2120 if (startCookie - logp->baseCookie < logp->logElements) break;
2122 /* At end of log, so clear it if we need to */
2123 if (inFlags & ICL_COPYOUTF_CLRAFTERREAD)
2125 logp->firstUsed = logp->firstFree = 0;
2126 logp->logElements = 0;
2128 /* otherwise, either wait for the data to arrive, or return */
2129 if (!(inFlags & ICL_COPYOUTF_WAITIO)) {
2130 ReleaseWriteLock(&logp->lock);
2134 logp->states |= ICL_LOGF_WAITING;
2135 ReleaseWriteLock(&logp->lock);
2136 afs_osi_Sleep(&logp->lock);
2137 ObtainWriteLock(&logp->lock,186);
2139 /* copy out data from ix to logSize or firstFree, depending
2140 * upon whether firstUsed <= firstFree (no wrap) or otherwise.
2141 * be careful not to copy out more than nwords.
2143 if (ix >= logp->firstUsed) {
2144 if (logp->firstUsed <= logp->firstFree)
2146 end = logp->firstFree; /* first element not to copy */
2148 end = logp->logSize;
2149 nwords = inWords; /* don't copy more than this */
2150 if (end - ix < nwords)
2153 memcpy((char *) bufferp, (char *) &logp->datap[ix], sizeof(afs_int32) * nwords);
2158 /* if we're going to copy more out below, we'll start here */
2161 /* now, if active part of the log has wrapped, there's more stuff
2162 * starting at the head of the log. Copy out more from there.
2164 if (logp->firstUsed > logp->firstFree
2165 && ix < logp->firstFree && inWords > 0) {
2166 /* (more to) copy out from the wrapped section at the
2167 * start of the log. May get here even if didn't copy any
2168 * above, if the cookie points directly into the wrapped section.
2171 if (logp->firstFree - ix < nwords)
2172 nwords = logp->firstFree - ix;
2173 memcpy((char *) bufferp, (char *) &logp->datap[ix], sizeof(afs_int32) * nwords);
2179 ReleaseWriteLock(&logp->lock);
2183 *bufSizep = outWords;
2189 /* return basic parameter information about a log */
2190 afs_icl_GetLogParms(logp, maxSizep, curSizep)
2191 struct afs_icl_log *logp;
2192 afs_int32 *maxSizep;
2193 afs_int32 *curSizep;
2195 ObtainReadLock(&logp->lock);
2196 *maxSizep = logp->logSize;
2197 *curSizep = logp->logElements;
2198 ReleaseReadLock(&logp->lock);
2203 /* hold and release logs */
2204 afs_icl_LogHold(logp)
2205 register struct afs_icl_log *logp;
2207 ObtainWriteLock(&afs_icl_lock,187);
2209 ReleaseWriteLock(&afs_icl_lock);
2213 /* hold and release logs, called with lock already held */
2214 afs_icl_LogHoldNL(logp)
2215 register struct afs_icl_log *logp;
2221 /* keep track of how many sets believe the log itself is allocated */
2222 afs_icl_LogUse(logp)
2223 register struct afs_icl_log *logp;
2225 ObtainWriteLock(&logp->lock,188);
2226 if (logp->setCount == 0) {
2227 /* this is the first set actually using the log -- allocate it */
2228 if (logp->logSize == 0) {
2229 /* we weren't passed in a hint and it wasn't set */
2230 logp->logSize = ICL_DEFAULT_LOGSIZE;
2232 logp->datap = (afs_int32 *) afs_osi_Alloc(sizeof(afs_int32) * logp->logSize);
2233 #ifdef AFS_AIX32_ENV
2234 pin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2238 ReleaseWriteLock(&logp->lock);
2242 /* decrement the number of real users of the log, free if possible */
2243 afs_icl_LogFreeUse(logp)
2244 register struct afs_icl_log *logp;
2246 ObtainWriteLock(&logp->lock,189);
2247 if (--logp->setCount == 0) {
2248 /* no more users -- free it (but keep log structure around)*/
2249 afs_osi_Free(logp->datap, sizeof(afs_int32) * logp->logSize);
2250 #ifdef AFS_AIX32_ENV
2251 unpin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2253 logp->firstUsed = logp->firstFree = 0;
2254 logp->logElements = 0;
2255 logp->datap = (afs_int32 *)0;
2257 ReleaseWriteLock(&logp->lock);
2261 /* set the size of the log to 'logSize' */
2262 afs_icl_LogSetSize(logp, logSize)
2263 register struct afs_icl_log *logp;
2266 ObtainWriteLock(&logp->lock,190);
2268 /* nothing to worry about since it's not allocated */
2269 logp->logSize = logSize;
2273 logp->firstUsed = logp->firstFree = 0;
2274 logp->logElements = 0;
2276 /* free and allocate a new one */
2277 afs_osi_Free(logp->datap, sizeof(afs_int32) * logp->logSize);
2278 #ifdef AFS_AIX32_ENV
2279 unpin((char *)logp->datap, sizeof(afs_int32) * logp->logSize);
2281 logp->datap = (afs_int32 *) afs_osi_Alloc(sizeof(afs_int32) * logSize);
2282 #ifdef AFS_AIX32_ENV
2283 pin((char *)logp->datap, sizeof(afs_int32) * logSize);
2285 logp->logSize = logSize;
2287 ReleaseWriteLock(&logp->lock);
2292 /* free a log. Called with afs_icl_lock locked. */
2293 afs_icl_ZapLog(logp)
2294 register struct afs_icl_log *logp;
2296 register struct afs_icl_log **lpp, *tp;
2298 for(lpp = &afs_icl_allLogs, tp = *lpp; tp; lpp = &tp->nextp, tp = *lpp) {
2300 /* found the dude we want to remove */
2302 osi_FreeSmallSpace(logp->name);
2303 osi_FreeSmallSpace(logp->datap);
2304 osi_FreeSmallSpace(logp);
2305 break; /* won't find it twice */
2311 /* do the release, watching for deleted entries */
2312 afs_icl_LogRele(logp)
2313 register struct afs_icl_log *logp;
2315 ObtainWriteLock(&afs_icl_lock,191);
2316 if (--logp->refCount == 0 && (logp->states & ICL_LOGF_DELETED)) {
2317 afs_icl_ZapLog(logp); /* destroys logp's lock! */
2319 ReleaseWriteLock(&afs_icl_lock);
2323 /* do the release, watching for deleted entries, log already held */
2324 afs_icl_LogReleNL(logp)
2325 register struct afs_icl_log *logp;
2327 if (--logp->refCount == 0 && (logp->states & ICL_LOGF_DELETED)) {
2328 afs_icl_ZapLog(logp); /* destroys logp's lock! */
2333 /* zero out the log */
2334 afs_icl_ZeroLog(logp)
2335 register struct afs_icl_log *logp;
2337 ObtainWriteLock(&logp->lock,192);
2338 logp->firstUsed = logp->firstFree = 0;
2339 logp->logElements = 0;
2340 logp->baseCookie = 0;
2341 ReleaseWriteLock(&logp->lock);
2345 /* free a log entry, and drop its reference count */
2346 afs_icl_LogFree(logp)
2347 register struct afs_icl_log *logp;
2349 ObtainWriteLock(&logp->lock,193);
2350 logp->states |= ICL_LOGF_DELETED;
2351 ReleaseWriteLock(&logp->lock);
2352 afs_icl_LogRele(logp);
2356 /* find a log by name, returning it held */
2357 struct afs_icl_log *afs_icl_FindLog(name)
2360 register struct afs_icl_log *tp;
2361 ObtainWriteLock(&afs_icl_lock,194);
2362 for(tp = afs_icl_allLogs; tp; tp=tp->nextp) {
2363 if (strcmp(tp->name, name) == 0) {
2364 /* this is the dude we want */
2369 ReleaseWriteLock(&afs_icl_lock);
2373 afs_icl_EnumerateLogs(aproc, arock)
2377 register struct afs_icl_log *tp;
2378 register afs_int32 code;
2381 ObtainWriteLock(&afs_icl_lock,195);
2382 for(tp = afs_icl_allLogs; tp; tp=tp->nextp) {
2383 tp->refCount++; /* hold this guy */
2384 ReleaseWriteLock(&afs_icl_lock);
2385 ObtainReadLock(&tp->lock);
2386 code = (*aproc)(tp->name, arock, tp);
2387 ReleaseReadLock(&tp->lock);
2388 ObtainWriteLock(&afs_icl_lock,196);
2389 if (--tp->refCount == 0)
2393 ReleaseWriteLock(&afs_icl_lock);
2397 struct afs_icl_set *afs_icl_allSets = 0;
2399 afs_icl_CreateSet(name, baseLogp, fatalLogp, outSetpp)
2401 struct afs_icl_log *baseLogp;
2402 struct afs_icl_log *fatalLogp;
2403 struct afs_icl_set **outSetpp;
2405 return afs_icl_CreateSetWithFlags(name, baseLogp, fatalLogp,
2406 /*flags*/0, outSetpp);
2409 /* create a set, given pointers to base and fatal logs, if any.
2410 * Logs are unlocked, but referenced, and *outSetpp is returned
2411 * referenced. Function bumps reference count on logs, since it
2412 * addds references from the new afs_icl_set. When the set is destroyed,
2413 * those references will be released.
2415 afs_icl_CreateSetWithFlags(name, baseLogp, fatalLogp, flags, outSetpp)
2417 struct afs_icl_log *baseLogp;
2418 struct afs_icl_log *fatalLogp;
2420 struct afs_icl_set **outSetpp;
2422 register struct afs_icl_set *setp;
2424 afs_int32 states = ICL_DEFAULT_SET_STATES;
2426 ObtainWriteLock(&afs_icl_lock,197);
2427 if (!afs_icl_inited) afs_icl_Init();
2429 for (setp = afs_icl_allSets; setp; setp = setp->nextp) {
2430 if (strcmp(setp->name, name) == 0) {
2433 if (flags & ICL_CRSET_FLAG_PERSISTENT)
2435 ObtainWriteLock(&setp->lock,198);
2436 setp->states |= ICL_SETF_PERSISTENT;
2437 ReleaseWriteLock(&setp->lock);
2439 ReleaseWriteLock(&afs_icl_lock);
2444 /* determine initial state */
2445 if (flags & ICL_CRSET_FLAG_DEFAULT_ON)
2446 states = ICL_SETF_ACTIVE;
2447 else if (flags & ICL_CRSET_FLAG_DEFAULT_OFF)
2448 states = ICL_SETF_FREED;
2449 if (flags & ICL_CRSET_FLAG_PERSISTENT)
2450 states |= ICL_SETF_PERSISTENT;
2452 setp = (struct afs_icl_set *) afs_osi_Alloc(sizeof(struct afs_icl_set));
2453 memset((caddr_t)setp, 0, sizeof(*setp));
2455 if (states & ICL_SETF_FREED)
2456 states &= ~ICL_SETF_ACTIVE; /* if freed, can't be active */
2457 setp->states = states;
2459 LOCK_INIT(&setp->lock, "setp lock");
2460 /* next lock is obtained in wrong order, hierarchy-wise, but
2461 * it doesn't matter, since no one can find this lock yet, since
2462 * the afs_icl_lock is still held, and thus the obtain can't block.
2464 ObtainWriteLock(&setp->lock,199);
2465 setp->name = osi_AllocSmallSpace(strlen(name)+1);
2466 strcpy(setp->name, name);
2467 setp->nevents = ICL_DEFAULTEVENTS;
2468 setp->eventFlags = afs_osi_Alloc(ICL_DEFAULTEVENTS);
2469 #ifdef AFS_AIX32_ENV
2470 pin((char *)setp->eventFlags, ICL_DEFAULTEVENTS);
2472 for(i=0; i<ICL_DEFAULTEVENTS; i++)
2473 setp->eventFlags[i] = 0xff; /* default to enabled */
2475 /* update this global info under the afs_icl_lock */
2476 setp->nextp = afs_icl_allSets;
2477 afs_icl_allSets = setp;
2478 ReleaseWriteLock(&afs_icl_lock);
2480 /* set's basic lock is still held, so we can finish init */
2482 setp->logs[0] = baseLogp;
2483 afs_icl_LogHold(baseLogp);
2484 if (!(setp->states & ICL_SETF_FREED))
2485 afs_icl_LogUse(baseLogp); /* log is actually being used */
2488 setp->logs[1] = fatalLogp;
2489 afs_icl_LogHold(fatalLogp);
2490 if (!(setp->states & ICL_SETF_FREED))
2491 afs_icl_LogUse(fatalLogp); /* log is actually being used */
2493 ReleaseWriteLock(&setp->lock);
2499 /* function to change event enabling information for a particular set */
2500 afs_icl_SetEnable(setp, eventID, setValue)
2501 struct afs_icl_set *setp;
2507 ObtainWriteLock(&setp->lock,200);
2508 if (!ICL_EVENTOK(setp, eventID)) {
2509 ReleaseWriteLock(&setp->lock);
2512 tp = &setp->eventFlags[ICL_EVENTBYTE(eventID)];
2514 *tp |= ICL_EVENTMASK(eventID);
2516 *tp &= ~(ICL_EVENTMASK(eventID));
2517 ReleaseWriteLock(&setp->lock);
2521 /* return indication of whether a particular event ID is enabled
2522 * for tracing. If *getValuep is set to 0, the event is disabled,
2523 * otherwise it is enabled. All events start out enabled by default.
2525 afs_icl_GetEnable(setp, eventID, getValuep)
2526 struct afs_icl_set *setp;
2530 ObtainReadLock(&setp->lock);
2531 if (!ICL_EVENTOK(setp, eventID)) {
2532 ReleaseWriteLock(&setp->lock);
2535 if (setp->eventFlags[ICL_EVENTBYTE(eventID)] & ICL_EVENTMASK(eventID))
2539 ReleaseReadLock(&setp->lock);
2543 /* hold and release event sets */
2544 afs_icl_SetHold(setp)
2545 register struct afs_icl_set *setp;
2547 ObtainWriteLock(&afs_icl_lock,201);
2549 ReleaseWriteLock(&afs_icl_lock);
2553 /* free a set. Called with afs_icl_lock locked */
2554 afs_icl_ZapSet(setp)
2555 register struct afs_icl_set *setp;
2557 register struct afs_icl_set **lpp, *tp;
2559 register struct afs_icl_log *tlp;
2561 for(lpp = &afs_icl_allSets, tp = *lpp; tp; lpp = &tp->nextp, tp = *lpp) {
2563 /* found the dude we want to remove */
2565 osi_FreeSmallSpace(setp->name);
2566 afs_osi_Free(setp->eventFlags, ICL_DEFAULTEVENTS);
2567 #ifdef AFS_AIX32_ENV
2568 unpin((char *)setp->eventFlags, ICL_DEFAULTEVENTS);
2570 for(i=0; i < ICL_LOGSPERSET; i++) {
2571 if (tlp = setp->logs[i])
2572 afs_icl_LogReleNL(tlp);
2574 osi_FreeSmallSpace(setp);
2575 break; /* won't find it twice */
2581 /* do the release, watching for deleted entries */
2582 afs_icl_SetRele(setp)
2583 register struct afs_icl_set *setp;
2585 ObtainWriteLock(&afs_icl_lock,202);
2586 if (--setp->refCount == 0 && (setp->states & ICL_SETF_DELETED)) {
2587 afs_icl_ZapSet(setp); /* destroys setp's lock! */
2589 ReleaseWriteLock(&afs_icl_lock);
2593 /* free a set entry, dropping its reference count */
2594 afs_icl_SetFree(setp)
2595 register struct afs_icl_set *setp;
2597 ObtainWriteLock(&setp->lock,203);
2598 setp->states |= ICL_SETF_DELETED;
2599 ReleaseWriteLock(&setp->lock);
2600 afs_icl_SetRele(setp);
2604 /* find a set by name, returning it held */
2605 struct afs_icl_set *afs_icl_FindSet(name)
2608 register struct afs_icl_set *tp;
2609 ObtainWriteLock(&afs_icl_lock,204);
2610 for(tp = afs_icl_allSets; tp; tp=tp->nextp) {
2611 if (strcmp(tp->name, name) == 0) {
2612 /* this is the dude we want */
2617 ReleaseWriteLock(&afs_icl_lock);
2621 /* zero out all the logs in the set */
2622 afs_icl_ZeroSet(setp)
2623 struct afs_icl_set *setp;
2628 struct afs_icl_log *logp;
2630 ObtainReadLock(&setp->lock);
2631 for(i = 0; i < ICL_LOGSPERSET; i++) {
2632 logp = setp->logs[i];
2634 afs_icl_LogHold(logp);
2635 tcode = afs_icl_ZeroLog(logp);
2636 if (tcode != 0) code = tcode; /* save the last bad one */
2637 afs_icl_LogRele(logp);
2640 ReleaseReadLock(&setp->lock);
2644 afs_icl_EnumerateSets(aproc, arock)
2648 register struct afs_icl_set *tp, *np;
2649 register afs_int32 code;
2652 ObtainWriteLock(&afs_icl_lock,205);
2653 for(tp = afs_icl_allSets; tp; tp=np) {
2654 tp->refCount++; /* hold this guy */
2655 ReleaseWriteLock(&afs_icl_lock);
2656 code = (*aproc)(tp->name, arock, tp);
2657 ObtainWriteLock(&afs_icl_lock,206);
2658 np = tp->nextp; /* tp may disappear next, but not np */
2659 if (--tp->refCount == 0 && (tp->states & ICL_SETF_DELETED))
2663 ReleaseWriteLock(&afs_icl_lock);
2667 afs_icl_AddLogToSet(setp, newlogp)
2668 struct afs_icl_set *setp;
2669 struct afs_icl_log *newlogp;
2673 struct afs_icl_log *logp;
2675 ObtainWriteLock(&setp->lock,207);
2676 for(i = 0; i < ICL_LOGSPERSET; i++) {
2677 if (!setp->logs[i]) {
2678 setp->logs[i] = newlogp;
2680 afs_icl_LogHold(newlogp);
2681 if (!(setp->states & ICL_SETF_FREED)) {
2682 /* bump up the number of sets using the log */
2683 afs_icl_LogUse(newlogp);
2688 ReleaseWriteLock(&setp->lock);
2692 afs_icl_SetSetStat(setp, op)
2693 struct afs_icl_set *setp;
2698 struct afs_icl_log *logp;
2700 ObtainWriteLock(&setp->lock,208);
2702 case ICL_OP_SS_ACTIVATE: /* activate a log */
2704 * If we are not already active, see if we have released
2705 * our demand that the log be allocated (FREED set). If
2706 * we have, reassert our desire.
2708 if (!(setp->states & ICL_SETF_ACTIVE)) {
2709 if (setp->states & ICL_SETF_FREED) {
2710 /* have to reassert desire for logs */
2711 for(i = 0; i < ICL_LOGSPERSET; i++) {
2712 logp = setp->logs[i];
2714 afs_icl_LogHold(logp);
2715 afs_icl_LogUse(logp);
2716 afs_icl_LogRele(logp);
2719 setp->states &= ~ICL_SETF_FREED;
2721 setp->states |= ICL_SETF_ACTIVE;
2726 case ICL_OP_SS_DEACTIVATE: /* deactivate a log */
2727 /* this doesn't require anything beyond clearing the ACTIVE flag */
2728 setp->states &= ~ICL_SETF_ACTIVE;
2732 case ICL_OP_SS_FREE: /* deassert design for log */
2734 * if we are already in this state, do nothing; otherwise
2735 * deassert desire for log
2737 if (setp->states & ICL_SETF_ACTIVE)
2740 if (!(setp->states & ICL_SETF_FREED)) {
2741 for(i = 0; i < ICL_LOGSPERSET; i++) {
2742 logp = setp->logs[i];
2744 afs_icl_LogHold(logp);
2745 afs_icl_LogFreeUse(logp);
2746 afs_icl_LogRele(logp);
2749 setp->states |= ICL_SETF_FREED;
2758 ReleaseWriteLock(&setp->lock);