text: /*
   * Copyright 2000, International Business Machines Corporation and others.
   * All Rights Reserved.
   *
   * This software has been released under the terms of the IBM Public
   * License.  For details, see the LICENSE file in the top-level source
   * directory or online at http://www.openafs.org/dl/license10.html
   */
  
  #include <afsconfig.h>
  #include "afs/param.h"
  
  #if defined(HAVE_LINUX_KTHREAD_RUN) && !defined(UKERNEL)
  #  include "h/kthread.h"
  #endif
  
  #include "afs/sysincludes.h"	/* Standard vendor system headers */
  #include "afsincludes.h"	/* Afs-based standard headers */
  #include "afs/afs_stats.h"
  #include "rx/rx_globals.h"
  #if !defined(UKERNEL)
  # if !defined(AFS_LINUX20_ENV)
  #  include "net/if.h"
  #  ifdef AFS_SGI62_ENV
  #   include "h/hashing.h"
  #  endif
  #  if !defined(AFS_HPUX110_ENV) && !defined(AFS_DARWIN_ENV)
  #   include "netinet/in_var.h"
  #  endif
  # endif
  #endif /* !defined(UKERNEL) */
  #ifdef AFS_SUN510_ENV
  #include "h/ksynch.h"
  #include "h/sunddi.h"
  #endif
  #include <hcrypto/rand.h>
  
  #if defined(AFS_SUN5_ENV) || defined(AFS_AIX_ENV) || defined(AFS_SGI_ENV) || defined(AFS_HPUX_ENV)
  #define	AFS_MINBUFFERS	100
  #else
  #define	AFS_MINBUFFERS	50
  #endif
  
  #if (defined(AFS_SUN5_ENV) || defined(AFS_LINUX26_ENV) || defined(AFS_DARWIN80_ENV)) && !defined(UKERNEL)
  /* If AFS_DAEMONOP_ENV is defined, it indicates we run "daemon" AFS syscalls by
   * spawning a kernel thread to do the work, instead of running them in the
   * calling process. */
  # define AFS_DAEMONOP_ENV
  #endif
  
  struct afsop_cell {
      afs_int32 hosts[AFS_MAXCELLHOSTS];
      char cellName[100];
  };
  
  char afs_zeros[AFS_ZEROS];
  char afs_rootVolumeName[64] = "";
  afs_uint32 rx_bindhost;
  
  #ifdef AFS_SUN510_ENV
  ddi_taskq_t *afs_taskq;
  krwlock_t afsifinfo_lock;
  #endif
  
  afs_int32 afs_initState = 0;
  afs_int32 afs_termState = 0;
  int afs_cold_shutdown = 0;
  char afs_SynchronousCloses = '\0';
  static int afs_CB_Running = 0;
  static int AFS_Running = 0;
  static int afs_CacheInit_Done = 0;
  static int afs_Go_Done = 0;
  extern struct interfaceAddr afs_cb_interface;
  #ifdef RXK_LISTENER_ENV
  static int afs_RX_Running = 0;
  #endif
  static int afs_InitSetup_done = 0;
  afs_int32 afs_numcachefiles = -1;
  afs_int32 afs_numfilesperdir = -1;
  char afs_cachebasedir[1024];
  afs_int32 afs_rmtsys_enable = 0;
  
  afs_int32 afs_rx_deadtime = AFS_RXDEADTIME;
  afs_int32 afs_rx_harddead = AFS_HARDDEADTIME;
  afs_int32 afs_rx_idledead = AFS_IDLEDEADTIME;
  afs_int32 afs_rx_idledead_rep = AFS_IDLEDEADTIME_REP;
  
  static int afscall_set_rxpck_received = 0;
  
  extern afs_int32 afs_volume_ttl;
  
  /* From afs_util.c */
  extern afs_int32 afs_md5inum;
  
  /* This is code which needs to be called once when the first daemon enters
   * the client. A non-zero return means an error and AFS should not start.
   */
  static int
  afs_InitSetup(int preallocs)
  {
      int code;
      afs_uint32 host;
  
      if (afs_InitSetup_done)
  	return EAGAIN;
  
  #ifdef AFS_SUN510_ENV
      /* Initialize a RW lock for the ifinfo global array */
      rw_init(&afsifinfo_lock, NULL, RW_DRIVER, NULL);
  
      /* Create a taskq */
      afs_taskq = ddi_taskq_create(NULL, "afs_taskq", 2, TASKQ_DEFAULTPRI, 0);
  
      osi_StartNetIfPoller();
  #endif
  
  #ifndef AFS_NOSTATS
      /*
       * Set up all the AFS statistics variables.  This should be done
       * exactly once, and it should be done here, the first resource-setting
       * routine to be called by the CM/RX.
       */
      afs_InitStats();
  #endif /* AFS_NOSTATS */
  
      memset(afs_zeros, 0, AFS_ZEROS);
  
      /* start RX */
      if(!afscall_set_rxpck_received)
      rx_extraPackets = AFS_NRXPACKETS;	/* smaller # of packets */
  
      host = ntohl(rx_bindhost);
      afs_warn("afs: Binding rx to %d.%d.%d.%d:%d\n",
               (host >> 24),
               (host >> 16) & 0xff,
               (host >>  8) & 0xff,
               (host)       & 0xff,
               7001);
      code = rx_InitHost(rx_bindhost, htons(7001));
      if (code) {
  	afs_warn("AFS: RX failed to initialize %d).\n", code);
  	return code;
      }
      rx_SetRxDeadTime(afs_rx_deadtime);
      /* resource init creates the services */
      afs_ResourceInit(preallocs);
  
      afs_InitSetup_done = 1;
      afs_osi_Wakeup(&afs_InitSetup_done);
  
      return code;
  }
  
  #ifdef AFS_DAEMONOP_ENV
  static int
  daemonOp_common(long parm, long parm2, long parm3, long parm4, long parm5,
                  long parm6)
  {
      int code;
      if (parm == AFSOP_START_RXCALLBACK) {
  	if (afs_CB_Running)
  	    return -1;
  # ifdef RXK_LISTENER_ENV
      } else if (parm == AFSOP_RXLISTENER_DAEMON) {
  	if (afs_RX_Running)
  	    return -1;
  	afs_RX_Running = 1;
  # endif
  	code = afs_InitSetup(parm2);
  	if (parm3) {
  	    rx_enablePeerRPCStats();
  	}
  	if (parm4) {
  	    rx_enableProcessRPCStats();
  	}
  	if (code)
  	    return -1;
      } else if (parm == AFSOP_START_AFS) {
  	if (AFS_Running)
  	    return -1;
      }				/* other functions don't need setup in the parent */
      return 0;
  }
  #endif /* AFS_DAEMONOP_ENV */
  
  #if defined(AFS_DARWIN80_ENV)
  struct afsd_thread_info {
      unsigned long parm;
  };
  static int
  afsd_thread(int *rock)
  {
      struct afsd_thread_info *arg = (struct afsd_thread_info *)rock;
      unsigned long parm = arg->parm;
  
      switch (parm) {
      case AFSOP_START_RXCALLBACK:
  	AFS_GLOCK();
  	wakeup(arg);
  	afs_CB_Running = 1;
  #ifndef RXK_LISTENER_ENV
  	afs_initState = AFSOP_START_AFS;
  	afs_osi_Wakeup(&afs_initState);
  #else
  	while (afs_RX_Running != 2)
  	    afs_osi_Sleep(&afs_RX_Running);
  #endif
  	afs_RXCallBackServer();
  	AFS_GUNLOCK();
  	thread_terminate(current_thread());
  	break;
      case AFSOP_START_AFS:
  	AFS_GLOCK();
  	wakeup(arg);
  	AFS_Running = 1;
  	while (afs_initState < AFSOP_START_AFS)
  	    afs_osi_Sleep(&afs_initState);
  	afs_initState = AFSOP_START_BKG;
  	afs_osi_Wakeup(&afs_initState);
  	afs_Daemon();
  	AFS_GUNLOCK();
  	thread_terminate(current_thread());
  	break;
      case AFSOP_START_BKG:
  	afs_warn("Install matching afsd! Old background daemons not supported.\n");
  	thread_terminate(current_thread());
  	break;
      case AFSOP_START_TRUNCDAEMON:
  	AFS_GLOCK();
  	wakeup(arg);
  	while (afs_initState < AFSOP_GO)
  	    afs_osi_Sleep(&afs_initState);
  	afs_CacheTruncateDaemon();
  	AFS_GUNLOCK();
  	thread_terminate(current_thread());
  	break;
      case AFSOP_START_CS:
  	AFS_GLOCK();
  	wakeup(arg);
  	afs_CheckServerDaemon();
  	AFS_GUNLOCK();
  	thread_terminate(current_thread());
  	break;
      case AFSOP_RXEVENT_DAEMON:
  	AFS_GLOCK();
  	wakeup(arg);
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  	afs_rxevent_daemon();
  	AFS_GUNLOCK();
  	thread_terminate(current_thread());
  	break;
  #ifdef RXK_LISTENER_ENV
      case AFSOP_RXLISTENER_DAEMON:
  	AFS_GLOCK();
  	wakeup(arg);
  	afs_initState = AFSOP_START_AFS;
  	afs_osi_Wakeup(&afs_initState);
  	afs_RX_Running = 2;
  	afs_osi_Wakeup(&afs_RX_Running);
  	afs_osi_RxkRegister();
  	rxk_Listener();
  	AFS_GUNLOCK();
  	thread_terminate(current_thread());
  	break;
  #endif
      default:
  	afs_warn("Unknown op %ld in StartDaemon()\n", (long)parm);
  	break;
      }
  }
  
  void
  afs_DaemonOp(long parm, long parm2, long parm3, long parm4, long parm5,
  	     long parm6)
  {
      struct afsd_thread_info info;
      thread_t thread;
      if (daemonOp_common(parm, parm2, parm3, parm4, parm5, parm6)) {
  	return;
      }
      info.parm = parm;
      kernel_thread_start((thread_continue_t)afsd_thread, &info, &thread);
      AFS_GUNLOCK();
      /* we need to wait cause we passed stack pointers around.... */
      msleep(&info, NULL, PVFS, "afs_DaemonOp", NULL);
      AFS_GLOCK();
      thread_deallocate(thread);
  }
  #endif
  
  
  #if defined(AFS_LINUX26_ENV)
  struct afsd_thread_info {
  # if !defined(INIT_WORK_HAS_DATA)
      struct work_struct tq;
  # endif
      unsigned long parm;
      struct completion *complete;
  };
  
  static int
  afsd_thread(void *rock)
  {
      struct afsd_thread_info *arg = rock;
      unsigned long parm = arg->parm;
  # ifdef SYS_SETPRIORITY_EXPORTED
      int (*sys_setpriority) (int, int, int) = sys_call_table[__NR_setpriority];
  # endif
  # if !defined(HAVE_LINUX_KTHREAD_RUN)
  #  if defined(AFS_LINUX26_ENV)
      daemonize("afsd");
  #  else
      daemonize();
  #  endif
  # endif /* !HAVE_LINUX_KTHREAD_RUN */
  				/* doesn't do much, since we were forked from keventd, but
  				 * does call mm_release, which wakes up our parent (since it
  				 * used CLONE_VFORK) */
  # if !defined(AFS_LINUX26_ENV)
      reparent_to_init();
  # endif
      afs_osi_MaskSignals();
      switch (parm) {
      case AFSOP_START_RXCALLBACK:
  	sprintf(current->comm, "afs_cbstart");
  	AFS_GLOCK();
  	complete(arg->complete);
  	afs_CB_Running = 1;
  #if !defined(RXK_LISTENER_ENV)
  	afs_initState = AFSOP_START_AFS;
  	afs_osi_Wakeup(&afs_initState);
  #else
  	while (afs_RX_Running != 2)
  	    afs_osi_Sleep(&afs_RX_Running);
  #endif
  	sprintf(current->comm, "afs_callback");
  	afs_RXCallBackServer();
  	AFS_GUNLOCK();
  	complete_and_exit(0, 0);
  	break;
      case AFSOP_START_AFS:
  	sprintf(current->comm, "afs_afsstart");
  	AFS_GLOCK();
  	complete(arg->complete);
  	AFS_Running = 1;
  	while (afs_initState < AFSOP_START_AFS)
  	    afs_osi_Sleep(&afs_initState);
  	afs_initState = AFSOP_START_BKG;
  	afs_osi_Wakeup(&afs_initState);
  	sprintf(current->comm, "afsd");
  	afs_Daemon();
  	AFS_GUNLOCK();
  	complete_and_exit(0, 0);
  	break;
      case AFSOP_START_BKG:
  #ifdef AFS_NEW_BKG
  	afs_warn("Install matching afsd! Old background daemons not supported.\n");
  #else
  	sprintf(current->comm, "afs_bkgstart");
  	AFS_GLOCK();
  	complete(arg->complete);
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  	if (afs_initState < AFSOP_GO) {
  	    afs_initState = AFSOP_GO;
  	    afs_osi_Wakeup(&afs_initState);
  	}
  	sprintf(current->comm, "afs_background");
  	afs_BackgroundDaemon();
  	AFS_GUNLOCK();
  #endif
  	complete_and_exit(0, 0);
  	break;
      case AFSOP_START_TRUNCDAEMON:
  	sprintf(current->comm, "afs_trimstart");
  	AFS_GLOCK();
  	complete(arg->complete);
  	while (afs_initState < AFSOP_GO)
  	    afs_osi_Sleep(&afs_initState);
  	sprintf(current->comm, "afs_cachetrim");
  	afs_CacheTruncateDaemon();
  	AFS_GUNLOCK();
  	complete_and_exit(0, 0);
  	break;
      case AFSOP_START_CS:
  	sprintf(current->comm, "afs_checkserver");
  	AFS_GLOCK();
  	complete(arg->complete);
  	afs_CheckServerDaemon();
  	AFS_GUNLOCK();
  	complete_and_exit(0, 0);
  	break;
      case AFSOP_RXEVENT_DAEMON:
  	sprintf(current->comm, "afs_evtstart");
  # ifdef SYS_SETPRIORITY_EXPORTED
  	sys_setpriority(PRIO_PROCESS, 0, -10);
  # else
  #  ifdef CURRENT_INCLUDES_NICE
  	current->nice = -10;
  #  endif
  # endif
  	AFS_GLOCK();
  	complete(arg->complete);
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  	sprintf(current->comm, "afs_rxevent");
  	afs_rxevent_daemon();
  	AFS_GUNLOCK();
  	complete_and_exit(0, 0);
  	break;
  #ifdef RXK_LISTENER_ENV
      case AFSOP_RXLISTENER_DAEMON:
  	sprintf(current->comm, "afs_lsnstart");
  # ifdef SYS_SETPRIORITY_EXPORTED
  	sys_setpriority(PRIO_PROCESS, 0, -10);
  # else
  #  ifdef CURRENT_INCLUDES_NICE
  	current->nice = -10;
  #  endif
  # endif
  	AFS_GLOCK();
  	complete(arg->complete);
  	afs_initState = AFSOP_START_AFS;
  	afs_osi_Wakeup(&afs_initState);
  	afs_RX_Running = 2;
  	afs_osi_Wakeup(&afs_RX_Running);
  	afs_osi_RxkRegister();
  	sprintf(current->comm, "afs_rxlistener");
  	rxk_Listener();
  	AFS_GUNLOCK();
  	complete_and_exit(0, 0);
  	break;
  #endif
      default:
  	afs_warn("Unknown op %ld in StartDaemon()\n", (long)parm);
  	break;
      }
      return 0;
  }
  
  void
  # if defined(AFS_LINUX26_ENV) && !defined(INIT_WORK_HAS_DATA)
  afsd_launcher(struct work_struct *work)
  # else
  afsd_launcher(void *rock)
  # endif
  {
  # if defined(AFS_LINUX26_ENV) && !defined(INIT_WORK_HAS_DATA)
      struct afsd_thread_info *rock = container_of(work, struct afsd_thread_info, tq);
  # endif
  
  # if defined(HAVE_LINUX_KTHREAD_RUN)
      if (IS_ERR(kthread_run(afsd_thread, (void *)rock, "afsd"))) {
  	afs_warn("kthread_run failed; afs startup will not complete\n");
      }
  # else /* !HAVE_LINUX_KTHREAD_RUN */
      if (!kernel_thread(afsd_thread, (void *)rock, CLONE_VFORK | SIGCHLD))
  	afs_warn("kernel_thread failed. afs startup will not complete\n");
  # endif /* !HAVE_LINUX_KTHREAD_RUN */
  }
  
  void
  afs_DaemonOp(long parm, long parm2, long parm3, long parm4, long parm5,
  	     long parm6)
  {
      DECLARE_COMPLETION(c);
  # if defined(AFS_LINUX26_ENV)
  #  if defined(INIT_WORK_HAS_DATA)
      struct work_struct tq;
  #  endif
  # else
      struct tq_struct tq;
  # endif
      struct afsd_thread_info info;
      if (daemonOp_common(parm, parm2, parm3, parm4, parm5, parm6)) {
  	return;
      }
      info.complete = &c;
      info.parm = parm;
  # if defined(AFS_LINUX26_ENV)
  #  if !defined(INIT_WORK_HAS_DATA)
      INIT_WORK(&info.tq, afsd_launcher);
      schedule_work(&info.tq);
  #  else
      INIT_WORK(&tq, afsd_launcher, &info);
      schedule_work(&tq);
  #  endif
  # else
      tq.sync = 0;
      INIT_LIST_HEAD(&tq.list);
      tq.routine = afsd_launcher;
      tq.data = &info;
      schedule_task(&tq);
  # endif
      AFS_GUNLOCK();
      /* we need to wait cause we passed stack pointers around.... */
      wait_for_completion(&c);
      AFS_GLOCK();
  }
  #endif
  
  #ifdef AFS_SUN5_ENV
  struct afs_daemonop_args {
      kcondvar_t cv;
      long parm;
  };
  
  static void
  afsd_thread(struct afs_daemonop_args *args)
  {
      long parm = args->parm;
  
      AFS_GLOCK();
      cv_signal(&args->cv);
  
      switch (parm) {
      case AFSOP_START_RXCALLBACK:
  	if (afs_CB_Running)
  	    goto out;
  	afs_CB_Running = 1;
  	while (afs_RX_Running != 2)
  	    afs_osi_Sleep(&afs_RX_Running);
  	afs_RXCallBackServer();
  	AFS_GUNLOCK();
  	return;
      case AFSOP_START_AFS:
  	if (AFS_Running)
  	    goto out;
  	AFS_Running = 1;
  	while (afs_initState < AFSOP_START_AFS)
  	    afs_osi_Sleep(&afs_initState);
  	afs_initState = AFSOP_START_BKG;
  	afs_osi_Wakeup(&afs_initState);
  	afs_Daemon();
  	AFS_GUNLOCK();
  	return;
      case AFSOP_START_BKG:
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  	if (afs_initState < AFSOP_GO) {
  	    afs_initState = AFSOP_GO;
  	    afs_osi_Wakeup(&afs_initState);
  	}
  	afs_BackgroundDaemon();
  	AFS_GUNLOCK();
  	return;
      case AFSOP_START_TRUNCDAEMON:
  	while (afs_initState < AFSOP_GO)
  	    afs_osi_Sleep(&afs_initState);
  	afs_CacheTruncateDaemon();
  	AFS_GUNLOCK();
  	return;
      case AFSOP_START_CS:
  	afs_CheckServerDaemon();
  	AFS_GUNLOCK();
  	return;
      case AFSOP_RXEVENT_DAEMON:
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  	afs_rxevent_daemon();
  	AFS_GUNLOCK();
  	return;
      case AFSOP_RXLISTENER_DAEMON:
  	afs_initState = AFSOP_START_AFS;
  	afs_osi_Wakeup(&afs_initState);
  	afs_RX_Running = 2;
  	afs_osi_Wakeup(&afs_RX_Running);
  	afs_osi_RxkRegister();
  	rxk_Listener();
  	AFS_GUNLOCK();
  	return;
      default:
  	AFS_GUNLOCK();
  	afs_warn("Unknown op %ld in afsd_thread()\n", parm);
  	return;
      }
   out:
      AFS_GUNLOCK();
      return;
  }
  
  static void
  afs_DaemonOp(long parm, long parm2, long parm3, long parm4, long parm5,
  	     long parm6)
  {
      struct afs_daemonop_args args;
  
      if (daemonOp_common(parm, parm2, parm3, parm4, parm5, parm6)) {
  	return;
      }
  
      args.parm = parm;
  
      cv_init(&args.cv, "AFS DaemonOp cond var", CV_DEFAULT, NULL);
  
      if (thread_create(NULL, 0, afsd_thread, &args, 0, &p0, TS_RUN,
          minclsyspri) == NULL) {
  
  	afs_warn("thread_create failed: AFS startup will not complete\n");
      }
  
      /* we passed &args to the new thread, which is on the stack. wait until
       * it has read the arguments so it doesn't try to read the args after we
       * have returned */
      cv_wait(&args.cv, &afs_global_lock);
  
      cv_destroy(&args.cv);
  }
  #endif /* AFS_SUN5_ENV */
  
  #ifdef AFS_DARWIN100_ENV
  # define AFSKPTR(X) k ## X
  int
  afs_syscall_call(long parm, long parm2, long parm3,
  		 long parm4, long parm5, long parm6)
  {
      return afs_syscall64_call(CAST_USER_ADDR_T((parm)),
  			      CAST_USER_ADDR_T((parm2)),
  			      CAST_USER_ADDR_T((parm3)),
  			      CAST_USER_ADDR_T((parm4)),
  			      CAST_USER_ADDR_T((parm5)),
  			      CAST_USER_ADDR_T((parm6)));
  }
  #else
  # define AFSKPTR(X) ((caddr_t)X)
  #endif
  int
  #ifdef AFS_DARWIN100_ENV
  afs_syscall64_call(user_addr_t kparm, user_addr_t kparm2, user_addr_t kparm3,
  		 user_addr_t kparm4, user_addr_t kparm5, user_addr_t kparm6)
  #else
  afs_syscall_call(long parm, long parm2, long parm3,
  		 long parm4, long parm5, long parm6)
  #endif
  {
      afs_int32 code = 0;
  #if defined(AFS_SGI61_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
      size_t bufferSize;
  #else /* AFS_SGI61_ENV */
      u_int bufferSize;
  #endif /* AFS_SGI61_ENV */
  #ifdef AFS_DARWIN100_ENV
      /* AFSKPTR macro relies on this name format/mapping */
      afs_uint32 parm = (afs_uint32)kparm;
      afs_uint32 parm2 = (afs_uint32)kparm2;
      afs_uint32 parm3 = (afs_uint32)kparm3;
      afs_uint32 parm4 = (afs_uint32)kparm4;
      afs_uint32 parm5 = (afs_uint32)kparm5;
      afs_uint32 parm6 = (afs_uint32)kparm6;
  #endif
  
      AFS_STATCNT(afs_syscall_call);
      if (
  #ifdef	AFS_SUN5_ENV
  	!afs_suser(CRED())
  #else
  	!afs_suser(NULL)
  #endif
  		    && (parm != AFSOP_GETMTU) && (parm != AFSOP_GETMASK)) {
  	/* only root can run this code */
  #if defined(AFS_SUN5_ENV) || defined(KERNEL_HAVE_UERROR)
  # if defined(KERNEL_HAVE_UERROR)
  	setuerror(EACCES);
  # endif
  	code = EACCES;
  #else
  	code = EPERM;
  #endif
  	AFS_GLOCK();
  #ifdef AFS_DARWIN80_ENV
  	put_vfs_context();
  #endif
  	goto out;
      }
      AFS_GLOCK();
  #ifdef AFS_DARWIN80_ENV
      put_vfs_context();
  #endif
  #ifdef AFS_DAEMONOP_ENV
  # if defined(AFS_NEW_BKG)
      if (parm == AFSOP_BKG_HANDLER) {
  	/* if afs_uspc_param grows this should be checked */
  	struct afs_uspc_param *mvParam = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
  	void *param2;
  	void *param1;
  	int namebufsz;
  
  	AFS_COPYIN(AFSKPTR(parm2), (caddr_t)mvParam,
  		   sizeof(struct afs_uspc_param), code);
  	namebufsz = mvParam->bufSz;
  	param1 = afs_osi_Alloc(namebufsz);
  	osi_Assert(param1 != NULL);
  	param2 = afs_osi_Alloc(namebufsz);
  	osi_Assert(param2 != NULL);
  
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  	if (afs_initState < AFSOP_GO) {
  	    afs_initState = AFSOP_GO;
  	    afs_osi_Wakeup(&afs_initState);
  	}
  
  	code = afs_BackgroundDaemon(mvParam, param1, param2);
  
  	if (!code) {
  	    mvParam->retval = 0;
  	    /* for reqs where pointers are strings: */
  #  ifdef AFS_DARWIN_ENV
  	    if (mvParam->reqtype == AFS_USPC_UMV) {
  		/* don't copy out random kernel memory */
  		AFS_COPYOUT(param2, AFSKPTR(parm4),
  			    MIN(namebufsz, strlen((char *)param2)+1), code);
  		AFS_COPYOUT(param1, AFSKPTR(parm3),
  			    MIN(namebufsz, strlen((char *)param1)+1), code);
  	    }
  #  endif /* AFS_DARWIN_ENV */
  	    AFS_COPYOUT((caddr_t)mvParam, AFSKPTR(parm2),
  		       sizeof(struct afs_uspc_param), code);
  	}
  
  	afs_osi_Free(param1, namebufsz);
  	afs_osi_Free(param2, namebufsz);
  	osi_FreeSmallSpace(mvParam);
      } else
  # endif /* AFS_NEW_BKG */
      if (parm < AFSOP_ADDCELL || parm == AFSOP_RXEVENT_DAEMON
  	|| parm == AFSOP_RXLISTENER_DAEMON) {
  	afs_DaemonOp(parm, parm2, parm3, parm4, parm5, parm6);
      }
  #else /* !AFS_DAEMONOP_ENV */
      if (parm == AFSOP_START_RXCALLBACK) {
  	if (afs_CB_Running)
  	    goto out;
  	afs_CB_Running = 1;
  # ifndef RXK_LISTENER_ENV
  	code = afs_InitSetup(parm2);
  	if (!code)
  # endif /* !RXK_LISTENER_ENV */
  	{
  # ifdef RXK_LISTENER_ENV
  	    while (afs_RX_Running != 2)
  		afs_osi_Sleep(&afs_RX_Running);
  # else /* !RXK_LISTENER_ENV */
  	    if (parm3) {
  		rx_enablePeerRPCStats();
  	    }
  	    if (parm4) {
  		rx_enableProcessRPCStats();
  	    }
  	    afs_initState = AFSOP_START_AFS;
  	    afs_osi_Wakeup(&afs_initState);
  # endif /* RXK_LISTENER_ENV */
  	    afs_osi_Invisible();
  	    afs_RXCallBackServer();
  	    afs_osi_Visible();
  	}
  # ifdef AFS_SGI_ENV
  	AFS_GUNLOCK();
  	exit(CLD_EXITED, code);
  # endif /* AFS_SGI_ENV */
      }
  # ifdef RXK_LISTENER_ENV
      else if (parm == AFSOP_RXLISTENER_DAEMON) {
  	if (afs_RX_Running)
  	    goto out;
  	afs_RX_Running = 1;
  	code = afs_InitSetup(parm2);
  	if (parm3) {
  	    rx_enablePeerRPCStats();
  	}
  	if (parm4) {
  	    rx_enableProcessRPCStats();
  	}
  	if (!code) {
  	    afs_initState = AFSOP_START_AFS;
  	    afs_osi_Wakeup(&afs_initState);
  	    afs_osi_Invisible();
  	    afs_RX_Running = 2;
  	    afs_osi_Wakeup(&afs_RX_Running);
  #  ifndef UKERNEL
  	    afs_osi_RxkRegister();
  #  endif /* !UKERNEL */
  	    rxk_Listener();
  	    afs_osi_Visible();
  	}
  #  ifdef	AFS_SGI_ENV
  	AFS_GUNLOCK();
  	exit(CLD_EXITED, code);
  #  endif /* AFS_SGI_ENV */
      }
  # endif /* RXK_LISTENER_ENV */
      else if (parm == AFSOP_START_AFS) {
  	/* afs daemon */
  	if (AFS_Running)
  	    goto out;
  	AFS_Running = 1;
  	while (afs_initState < AFSOP_START_AFS)
  	    afs_osi_Sleep(&afs_initState);
  
  	afs_initState = AFSOP_START_BKG;
  	afs_osi_Wakeup(&afs_initState);
  	afs_osi_Invisible();
  	afs_Daemon();
  	afs_osi_Visible();
  # ifdef AFS_SGI_ENV
  	AFS_GUNLOCK();
  	exit(CLD_EXITED, 0);
  # endif /* AFS_SGI_ENV */
      } else if (parm == AFSOP_START_CS) {
  	afs_osi_Invisible();
  	afs_CheckServerDaemon();
  	afs_osi_Visible();
  # ifdef AFS_SGI_ENV
  	AFS_GUNLOCK();
  	exit(CLD_EXITED, 0);
  # endif /* AFS_SGI_ENV */
  # ifndef AFS_NEW_BKG
      } else if (parm == AFSOP_START_BKG) {
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  	if (afs_initState < AFSOP_GO) {
  	    afs_initState = AFSOP_GO;
  	    afs_osi_Wakeup(&afs_initState);
  	}
  	/* start the bkg daemon */
  	afs_osi_Invisible();
  #  ifdef AFS_AIX32_ENV
  	if (parm2)
  	    afs_BioDaemon(parm2);
  	else
  #  endif /* AFS_AIX32_ENV */
  	    afs_BackgroundDaemon();
  	afs_osi_Visible();
  #  ifdef AFS_SGI_ENV
  	AFS_GUNLOCK();
  	exit(CLD_EXITED, 0);
  #  endif /* AFS_SGI_ENV */
  # endif /* ! AFS_NEW_BKG */
      } else if (parm == AFSOP_START_TRUNCDAEMON) {
  	while (afs_initState < AFSOP_GO)
  	    afs_osi_Sleep(&afs_initState);
  	/* start the bkg daemon */
  	afs_osi_Invisible();
  	afs_CacheTruncateDaemon();
  	afs_osi_Visible();
  # ifdef	AFS_SGI_ENV
  	AFS_GUNLOCK();
  	exit(CLD_EXITED, 0);
  # endif /* AFS_SGI_ENV */
      }
  # if defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV) || defined(RXK_UPCALL_ENV)
      else if (parm == AFSOP_RXEVENT_DAEMON) {
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  	afs_osi_Invisible();
  	afs_rxevent_daemon();
  	afs_osi_Visible();
  #  ifdef AFS_SGI_ENV
  	AFS_GUNLOCK();
  	exit(CLD_EXITED, 0);
  #  endif /* AFS_SGI_ENV */
      }
  # endif /* AFS_SUN5_ENV || RXK_LISTENER_ENV || RXK_UPCALL_ENV */
  #endif /* AFS_DAEMONOP_ENV */
      else if (parm == AFSOP_BASIC_INIT) {
  	afs_int32 temp;
  
  	while (!afs_InitSetup_done)
  	    afs_osi_Sleep(&afs_InitSetup_done);
  
  #if defined(AFS_SGI_ENV) || defined(AFS_HPUX_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV) || defined(AFS_SUN5_ENV)
  	temp = AFS_MINBUFFERS;	/* Should fix this soon */
  #else
  	/* number of 2k buffers we could get from all of the buffer space */
  	temp = ((afs_bufferpages * NBPG) >> 11);
  	temp = temp >> 2;	/* don't take more than 25% (our magic parameter) */
  	if (temp < AFS_MINBUFFERS)
  	    temp = AFS_MINBUFFERS;	/* though we really should have this many */
  #endif
  	DInit(temp);
  	afs_rootFid.Fid.Volume = 0;
  	code = 0;
      } else if (parm == AFSOP_BUCKETPCT) {
  	/* need to enable this now, will disable again before GO
  	   if we don't have 100% */
  	splitdcache = 1;
  	switch (parm2) {
  	case 1:
  	    afs_tpct1 = parm3;
  	    break;
  	case 2:
  	    afs_tpct2 = parm3;
  	    break;
  	}
      } else if (parm == AFSOP_ADDCELL) {
  	/* add a cell.  Parameter 2 is 8 hosts (in net order),  parm 3 is the null-terminated
  	 * name.  Parameter 4 is the length of the name, including the null.  Parm 5 is the
  	 * home cell flag (0x1 bit) and the nosuid flag (0x2 bit) */
  	struct afsop_cell *tcell = afs_osi_Alloc(sizeof(struct afsop_cell));
  
  	osi_Assert(tcell != NULL);
  	code = afs_InitDynroot();
  	if (!code) {
  	    AFS_COPYIN(AFSKPTR(parm2), (caddr_t)tcell->hosts, sizeof(tcell->hosts),
  		       code);
  	}
  	if (!code) {
  	    if (parm4 > sizeof(tcell->cellName))
  		code = EFAULT;
  	    else {
  	      AFS_COPYIN(AFSKPTR(parm3), (caddr_t)tcell->cellName, parm4, code);
  		if (!code)
  		    afs_NewCell(tcell->cellName, tcell->hosts, parm5, NULL, 0,
  				0, 0);
  	    }
  	}
  	afs_osi_Free(tcell, sizeof(struct afsop_cell));
      } else if (parm == AFSOP_ADDCELL2) {
  	struct afsop_cell *tcell = afs_osi_Alloc(sizeof(struct afsop_cell));
  	char *tbuffer = osi_AllocSmallSpace(AFS_SMALLOCSIZ), *lcnamep = 0;
  	char *tbuffer1 = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
  	int cflags = parm4;
  
  	osi_Assert(tcell != NULL);
  	osi_Assert(tbuffer != NULL);
  	osi_Assert(tbuffer1 != NULL);
  	code = afs_InitDynroot();
  	if (!code) {
  	    AFS_COPYIN(AFSKPTR(parm2), (caddr_t)tcell->hosts, sizeof(tcell->hosts),
  		       code);
  	}
  	if (!code) {
  	    AFS_COPYINSTR(AFSKPTR(parm3), tbuffer1, AFS_SMALLOCSIZ,
  			  &bufferSize, code);
  	    if (!code) {
  		if (parm4 & 4) {
  		    AFS_COPYINSTR(AFSKPTR(parm5), tbuffer, AFS_SMALLOCSIZ,
  				  &bufferSize, code);
  		    if (!code) {
  			lcnamep = tbuffer;
  			cflags |= CLinkedCell;
  		    }
  		}
  		if (parm4 & 8) {
  		    cflags |= CHush;
  		}
  		if (!code)
  		    code =
  			afs_NewCell(tbuffer1, tcell->hosts, cflags, lcnamep,
  				    0, 0, 0);
  	    }
  	}
  	afs_osi_Free(tcell, sizeof(struct afsop_cell));
  	osi_FreeSmallSpace(tbuffer);
  	osi_FreeSmallSpace(tbuffer1);
      } else if (parm == AFSOP_ADDCELLALIAS) {
  	/*
  	 * Call arguments:
  	 * parm2 is the alias name
  	 * parm3 is the real cell name
  	 */
  	char *aliasName = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
  	char *cellName = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
  
  	code = afs_InitDynroot();
  	if (!code) {
  	    AFS_COPYINSTR(AFSKPTR(parm2), aliasName, AFS_SMALLOCSIZ, &bufferSize,
  			  code);
  	}
  	if (!code)
  	    AFS_COPYINSTR(AFSKPTR(parm3), cellName, AFS_SMALLOCSIZ,
  			  &bufferSize, code);
  	if (!code)
  	    afs_NewCellAlias(aliasName, cellName);
  	osi_FreeSmallSpace(aliasName);
  	osi_FreeSmallSpace(cellName);
      } else if (parm == AFSOP_SET_THISCELL) {
  	/*
  	 * Call arguments:
  	 * parm2 is the primary cell name
  	 */
  	char *cell = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
  
  	afs_CellInit();
  	AFS_COPYINSTR(AFSKPTR(parm2), cell, AFS_SMALLOCSIZ, &bufferSize, code);
  	if (!code)
  	    afs_SetPrimaryCell(cell);
  	osi_FreeSmallSpace(cell);
  	if (!code) {
  	    code = afs_InitDynroot();
  	}
      } else if (parm == AFSOP_CACHEINIT) {
  	struct afs_cacheParams cparms;
  
  	if (afs_CacheInit_Done)
  	    goto out;
  
  	AFS_COPYIN(AFSKPTR(parm2), (caddr_t) & cparms, sizeof(cparms), code);
  	if (code) {
  #if defined(KERNEL_HAVE_UERROR)
  	    setuerror(code);
  	    code = -1;
  #endif
  	    goto out;
  	}
  	afs_CacheInit_Done = 1;
          code = afs_icl_InitLogs();
  	if (cparms.setTimeFlag) {
  	    afs_warn("afs: AFSOP_CACHEINIT setTimeFlag ignored; are you "
  	             "running an old afsd?\n");
  	}
  
  	code =
  	    afs_CacheInit(cparms.cacheScaches, cparms.cacheFiles,
  			  cparms.cacheBlocks, cparms.cacheDcaches,
  			  cparms.cacheVolumes, cparms.chunkSize,
  			  cparms.memCacheFlag, cparms.inodes, cparms.users,
  			  cparms.dynamic_vcaches);
  
      } else if (parm == AFSOP_CACHEINODE) {
  	ino_t ainode = parm2;
  	/* wait for basic init */
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  
  #ifdef AFS_DARWIN80_ENV
  	get_vfs_context();
  #endif
  	/* do it by inode */
  #ifdef AFS_SGI62_ENV
  	ainode = (ainode << 32) | (parm3 & 0xffffffff);
  #endif
  	code = afs_InitCacheFile(NULL, ainode);
  #ifdef AFS_DARWIN80_ENV
  	put_vfs_context();
  #endif
      } else if (parm == AFSOP_CACHEDIRS) {
  	afs_numfilesperdir = parm2;
  	afs_osi_Wakeup(&afs_initState);
      } else if (parm == AFSOP_CACHEFILES) {
  	afs_numcachefiles = parm2;
  	afs_osi_Wakeup(&afs_initState);
      } else if (parm == AFSOP_ROOTVOLUME) {
  	/* wait for basic init */
  	while (afs_initState < AFSOP_START_BKG)
  	    afs_osi_Sleep(&afs_initState);
  
  	if (parm2) {
  	    AFS_COPYINSTR(AFSKPTR(parm2), afs_rootVolumeName,
  			  sizeof(afs_rootVolumeName), &bufferSize, code);
  	    afs_rootVolumeName[sizeof(afs_rootVolumeName) - 1] = 0;
  	} else
  	    code = 0;
      } else if (parm == AFSOP_CACHEFILE || parm == AFSOP_CACHEINFO
  	       || parm == AFSOP_VOLUMEINFO || parm == AFSOP_CELLINFO) {
  	char *tbuffer = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
  
  	code = 0;
  	AFS_COPYINSTR(AFSKPTR(parm2), tbuffer, AFS_SMALLOCSIZ, &bufferSize,
  		      code);
  	if (!code) {
  	    tbuffer[AFS_SMALLOCSIZ - 1] = '\0';	/* null-terminate the name */
  	    /* We have the cache dir copied in.  Call the cache init routine */
  #ifdef AFS_DARWIN80_ENV
  	    get_vfs_context();
  #endif
  	    if (parm == AFSOP_CACHEFILE) {
  		code = afs_InitCacheFile(tbuffer, 0);
  	    } else if (parm == AFSOP_CACHEINFO) {
  		code = afs_InitCacheInfo(tbuffer);
  	    } else if (parm == AFSOP_VOLUMEINFO) {
  		code = afs_InitVolumeInfo(tbuffer);
  	    } else if (parm == AFSOP_CELLINFO) {
  		code = afs_InitCellInfo(tbuffer);
  	    }
  #ifdef AFS_DARWIN80_ENV
  	    put_vfs_context();
  #endif
  	}
  	osi_FreeSmallSpace(tbuffer);
      } else if (parm == AFSOP_GO) {
  	/* the generic initialization calls come here.  One parameter: should we do the
  	 * set-time operation on this workstation */
  	if (afs_Go_Done)
  	    goto out;
  	afs_Go_Done = 1;
  	while (afs_initState < AFSOP_GO)
  	    afs_osi_Sleep(&afs_initState);
  	afs_initState = 101;
  	if (parm2) {
  	    /* parm2 used to set afs_setTime */
  	    afs_warn("afs: AFSOP_GO setTime flag ignored; are you running an "
  	             "old afsd?\n");
  	}
  	if (afs_tpct1 + afs_tpct2 != 100) {
  	    afs_tpct1 = 0;
  	    afs_tpct2 = 0;
  	    splitdcache = 0;
  	} else {
  	    splitdcache = 1;
  	}
  	afs_osi_Wakeup(&afs_initState);
  #if	(!defined(AFS_NONFSTRANS)) || defined(AFS_AIX_IAUTH_ENV)
  	afs_nfsclient_init();
  #endif
  	if (afs_uuid_create(&afs_cb_interface.uuid) != 0)
  	    memset(&afs_cb_interface.uuid, 0, sizeof(afsUUID));
  
  	printf("found %d non-empty cache files (%d%%).\n",
  	       afs_stats_cmperf.cacheFilesReused,
  	       (100 * afs_stats_cmperf.cacheFilesReused) /
  	       (afs_stats_cmperf.cacheNumEntries ? afs_stats_cmperf.
  		cacheNumEntries : 1));
      } else if (parm == AFSOP_ADVISEADDR) {
  	/* pass in the host address to the rx package */
  	int rxbind = 0;
  	int refresh = 0;
  
  	afs_int32 count = parm2;
  	afs_int32 *buffer =
  	    afs_osi_Alloc(sizeof(afs_int32) * AFS_MAX_INTERFACE_ADDR);
  	afs_int32 *maskbuffer =
  	    afs_osi_Alloc(sizeof(afs_int32) * AFS_MAX_INTERFACE_ADDR);
  	afs_int32 *mtubuffer =
  	    afs_osi_Alloc(sizeof(afs_int32) * AFS_MAX_INTERFACE_ADDR);
  	int i;
  
  	osi_Assert(buffer != NULL);
  	osi_Assert(maskbuffer != NULL);
  	osi_Assert(mtubuffer != NULL);
  	/* This is a refresh */
  	if (count & 0x40000000) {
  	    count &= ~0x40000000;
  	    /* Can't bind after we start. Fix? */
  	    count &= ~0x80000000;
  	    refresh = 1;
  	}
  
  	/* Bind, but only if there's only one address configured */
  	if ( count & 0x80000000) {
  	    count &= ~0x80000000;
  	    if (count == 1)
  		rxbind=1;
  	}
  
  	if (count > AFS_MAX_INTERFACE_ADDR) {
  	    code = ENOMEM;
  	    count = AFS_MAX_INTERFACE_ADDR;
  	}
  
  	AFS_COPYIN(AFSKPTR(parm3), (caddr_t)buffer, count * sizeof(afs_int32),
  		   code);
  	if (parm4 && !code)
  	    AFS_COPYIN(AFSKPTR(parm4), (caddr_t)maskbuffer,
  		       count * sizeof(afs_int32), code);
  	if (parm5 && !code)
  	    AFS_COPYIN(AFSKPTR(parm5), (caddr_t)mtubuffer,
  		       count * sizeof(afs_int32), code);
  
  	if (!code) {
  	    afs_cb_interface.numberOfInterfaces = count;
  	    for (i = 0; i < count; i++) {
  		afs_cb_interface.addr_in[i] = buffer[i];
  #ifdef AFS_USERSPACE_IP_ADDR
  		/* AFS_USERSPACE_IP_ADDR means we have no way of finding the
  		 * machines IP addresses when in the kernel (the in_ifaddr
  		 * struct is not available), so we pass the info in at
  		 * startup. We also pass in the subnetmask and mtu size. The
  		 * subnetmask is used when setting the rank:
  		 * afsi_SetServerIPRank(); and the mtu size is used when
  		 * finding the best mtu size. rxi_FindIfnet() is replaced
  		 * with rxi_Findcbi().
  		 */
  		afs_cb_interface.subnetmask[i] =
  		    (parm4 ? maskbuffer[i] : 0xffffffff);
  		afs_cb_interface.mtu[i] = (parm5 ? mtubuffer[i] : htonl(1500));
  #endif
  	    }
  	    rxi_setaddr(buffer[0]);
  	    if (!refresh) {
  		if (rxbind)
  		    rx_bindhost = buffer[0];
  		else
  		    rx_bindhost = htonl(INADDR_ANY);
  	    }
  	} else {
  	    refresh = 0;
  	}
  
  	afs_osi_Free(buffer, sizeof(afs_int32) * AFS_MAX_INTERFACE_ADDR);
  	afs_osi_Free(maskbuffer, sizeof(afs_int32) * AFS_MAX_INTERFACE_ADDR);
  	afs_osi_Free(mtubuffer, sizeof(afs_int32) * AFS_MAX_INTERFACE_ADDR);
  
  	if (refresh) {
  	    afs_CheckServers(1, NULL);     /* check down servers */
  	    afs_CheckServers(0, NULL);     /* check up servers */
  	}
      }
      else if (parm == AFSOP_SHUTDOWN) {
  	afs_cold_shutdown = 0;
  	if (parm2 == 1)
  	    afs_cold_shutdown = 1;
  	if (afs_globalVFS != 0) {
  	    afs_warn("AFS isn't unmounted yet! Call aborted\n");
  	    code = EACCES;
  	} else
  	    afs_shutdown();
      } else if (parm == AFSOP_AFS_VFSMOUNT) {
  #ifdef	AFS_HPUX_ENV
  	vfsmount(parm2, parm3, parm4, parm5);
  #else /* defined(AFS_HPUX_ENV) */
  # if defined(KERNEL_HAVE_UERROR)
  	setuerror(EINVAL);
  # else
  	code = EINVAL;
  # endif
  #endif /* defined(AFS_HPUX_ENV) */
      } else if (parm == AFSOP_CLOSEWAIT) {
  	afs_SynchronousCloses = 'S';
      } else if (parm == AFSOP_GETMTU) {
  	afs_uint32 mtu = 0;
  #if	!defined(AFS_SUN5_ENV) && !defined(AFS_LINUX20_ENV)
  # ifdef AFS_USERSPACE_IP_ADDR
  	afs_int32 i;
  	i = rxi_Findcbi(parm2);
  	mtu = ((i == -1) ? htonl(1500) : afs_cb_interface.mtu[i]);
  # else /* AFS_USERSPACE_IP_ADDR */
  	rx_ifnet_t tifnp;
  
  	tifnp = rxi_FindIfnet(parm2, NULL);	/*  make iterative */
  	mtu = (tifnp ? rx_ifnet_mtu(tifnp) : htonl(1500));
  # endif /* else AFS_USERSPACE_IP_ADDR */
  #endif /* !AFS_SUN5_ENV */
  	if (!code)
  	    AFS_COPYOUT((caddr_t) & mtu, AFSKPTR(parm3),
  			sizeof(afs_int32), code);
      } else if (parm == AFSOP_GETMASK) {	/* parm2 == addr in net order */
  	afs_uint32 mask = 0;
  #if	!defined(AFS_SUN5_ENV)
  # ifdef AFS_USERSPACE_IP_ADDR
  	afs_int32 i;
  	i = rxi_Findcbi(parm2);
  	if (i != -1) {
  	    mask = afs_cb_interface.subnetmask[i];
  	} else {
  	    code = -1;
  	}
  # else /* AFS_USERSPACE_IP_ADDR */
  	rx_ifnet_t tifnp;
  
  	tifnp = rxi_FindIfnet(parm2, &mask);	/* make iterative */
  	if (!tifnp)
  	    code = -1;
  # endif /* else AFS_USERSPACE_IP_ADDR */
  #endif /* !AFS_SUN5_ENV */
  	if (!code)
  	    AFS_COPYOUT((caddr_t) & mask, AFSKPTR(parm3),
  			sizeof(afs_int32), code);
      }
      else if (parm == AFSOP_AFSDB_HANDLER) {
  	int sizeArg = (int)parm4;
  	int kmsgLen = sizeArg & 0xffff;
  	int cellLen = (sizeArg & 0xffff0000) >> 16;
  	afs_int32 *kmsg = afs_osi_Alloc(kmsgLen);
  	char *cellname = afs_osi_Alloc(cellLen);
  
  	osi_Assert(kmsg != NULL);
  	osi_Assert(cellname != NULL);
  #ifndef UKERNEL
  	afs_osi_MaskUserLoop();
  #endif
  	AFS_COPYIN(AFSKPTR(parm2), cellname, cellLen, code);
  	AFS_COPYIN(AFSKPTR(parm3), kmsg, kmsgLen, code);
  	if (!code) {
  	    code = afs_AFSDBHandler(cellname, cellLen, kmsg);
  	    if (*cellname == 1)
  		*cellname = 0;
  	    if (code == -2) {	/* Shutting down? */
  		*cellname = 1;
  		code = 0;
  	    }
  	}
  	if (!code)
  	    AFS_COPYOUT(cellname, AFSKPTR(parm2), cellLen, code);
  	afs_osi_Free(kmsg, kmsgLen);
  	afs_osi_Free(cellname, cellLen);
      }
      else if (parm == AFSOP_SET_DYNROOT) {
  	code = afs_SetDynrootEnable(parm2);
      } else if (parm == AFSOP_SET_FAKESTAT) {
  	if (parm2 >= 0 && parm2 <= 2) {
  	    afs_fakestat_enable = parm2;
  	    code = 0;
  	} else {
  	    afs_warn("afs: afsd gave us unknown fakestat value %ld (are afsd "
  	             "and libafs running the same version?\n", parm2);
  	    code = EINVAL;
  	}
      } else if (parm == AFSOP_SET_BACKUPTREE) {
  	afs_bkvolpref = parm2;
      } else if (parm == AFSOP_SET_RXPCK) {
  	rx_extraPackets = parm2;
  	afscall_set_rxpck_received = 1;
      } else if (parm == AFSOP_SET_RXMAXMTU) {
  	rx_MyMaxSendSize = rx_maxReceiveSizeUser = rx_maxReceiveSize = parm2;
      } else if (parm == AFSOP_SET_RXMAXFRAGS) {
  	rxi_nSendFrags = rxi_nRecvFrags = parm2;
      } else if (parm == AFSOP_SET_RMTSYS_FLAG) {
  	afs_rmtsys_enable = parm2;
  	code = 0;
  #ifndef UKERNEL
      } else if (parm == AFSOP_SEED_ENTROPY) {
  	unsigned char *seedbuf;
  
  	if (parm3 > 4096) {
  	    code = EFAULT;
  	} else {
  	    seedbuf = afs_osi_Alloc(parm3);
  	    AFS_COPYIN(AFSKPTR(parm2), seedbuf, parm3, code);
  	    RAND_seed(seedbuf, parm3);
  	    memset(seedbuf, 0, parm3);
  	    afs_osi_Free(seedbuf, parm3);
  	}
  #endif
      } else if (parm == AFSOP_SET_INUMCALC) {
  	switch (parm2) {
  	case AFS_INUMCALC_COMPAT:
  	    afs_md5inum = 0;
  	    code = 0;
  	    break;
  	case AFS_INUMCALC_MD5:
  	    afs_md5inum = 1;
  	    code = 0;
  	    break;
  	default:
  	    code = EINVAL;
  	}
      } else if (parm == AFSOP_SET_VOLUME_TTL) {
  	if ((parm2 < AFS_MIN_VOLUME_TTL) || (parm2 > AFS_MAX_VOLUME_TTL)) {
  	    code = EFAULT;
  	} else {
  	    afs_volume_ttl = parm2;
  	    code = 0;
  	}
      } else {
  	code = EINVAL;
      }
  
    out:
      AFS_GUNLOCK();
  #ifdef AFS_LINUX20_ENV
      return -code;
  #else
      return code;
  #endif
  }
  
  /*
   * Initstate in the range 0 < x < 100 are early initialization states.
   * Initstate of 100 means a AFSOP_START operation has been done.  After this,
   *  the cache may be initialized.
   * Initstate of 101 means a AFSOP_GO operation has been done.  This operation
   *  is done after all the cache initialization has been done.
   * Initstate of 200 means that the volume has been looked up once, possibly
   *  incorrectly.
   * Initstate of 300 means that the volume has been *successfully* looked up.
   */
  int
  afs_CheckInit(void)
  {
      int code = 0;
  
      AFS_STATCNT(afs_CheckInit);
      if (afs_initState <= 100)
  	code = ENXIO;		/* never finished init phase */
      else if (afs_initState == 101) {	/* init done, wait for afs_daemon */
  	while (afs_initState < 200)
  	    afs_osi_Sleep(&afs_initState);
      } else if (afs_initState == 200)
  	code = ETIMEDOUT;	/* didn't find root volume */
      return code;
  }
  
  enum afs_shutdown_state afs_shuttingdown = AFS_RUNNING;
  void
  afs_shutdown(void)
  {
      extern short afs_brsDaemons;
      extern afs_int32 afs_CheckServerDaemonStarted;
      extern struct afs_osi_WaitHandle AFS_WaitHandler, AFS_CSWaitHandler;
      extern struct osi_file *afs_cacheInodep;
  
      AFS_STATCNT(afs_shutdown);
      if (afs_initState == 0) {
          afs_warn("AFS not initialized - not shutting down\n");
        return;
      }
  
      if (afs_shuttingdown != AFS_RUNNING)
  	return;
  
      afs_shuttingdown = AFS_FLUSHING_CB;
  
      /* Give up all of our callbacks if we can. */
      afs_FlushVCBs(2);
  
      afs_shuttingdown = AFS_SHUTDOWN;
  
      if (afs_cold_shutdown)
  	afs_warn("afs: COLD ");
      else
  	afs_warn("afs: WARM ");
      afs_warn("shutting down of: vcaches... ");
  
  #if !defined(AFS_FBSD_ENV)
      /* The FBSD afs_unmount() calls vflush(), which reclaims all vnodes
       * on the mountpoint, flushing them in the process.  In the presence
       * of bugs, flushing again here can cause panics. */
      afs_FlushAllVCaches();
  #endif
  
      afs_termState = AFSOP_STOP_BKG;
  
      afs_warn("BkG... ");
      /* Wake-up afs_brsDaemons so that we don't have to wait for a bkg job! */
      while (afs_termState == AFSOP_STOP_BKG) {
  	afs_osi_Wakeup(&afs_brsDaemons);
  	afs_osi_Sleep(&afs_termState);
      }
  
      afs_warn("CB... ");
  
      afs_termState = AFSOP_STOP_RXCALLBACK;
      rx_WakeupServerProcs();
  #ifdef AFS_AIX51_ENV
      shutdown_rxkernel();
  #endif
      /* close rx server connections here? */
      while (afs_termState == AFSOP_STOP_RXCALLBACK)
  	afs_osi_Sleep(&afs_termState);
  
      afs_warn("afs... ");
      while (afs_termState == AFSOP_STOP_AFS) {
  	afs_osi_CancelWait(&AFS_WaitHandler);
  	afs_osi_Sleep(&afs_termState);
      }
      if (afs_CheckServerDaemonStarted) {
  	while (afs_termState == AFSOP_STOP_CS) {
  	    afs_osi_CancelWait(&AFS_CSWaitHandler);
  	    afs_osi_Sleep(&afs_termState);
  	}
      }
      afs_warn("CTrunc... ");
      /* Cancel cache truncate daemon. */
      while (afs_termState == AFSOP_STOP_TRUNCDAEMON) {
  	afs_osi_Wakeup((char *)&afs_CacheTruncateDaemon);
  	afs_osi_Sleep(&afs_termState);
      }
      afs_warn("AFSDB... ");
      afs_StopAFSDB();
      while (afs_termState == AFSOP_STOP_AFSDB)
  	afs_osi_Sleep(&afs_termState);
  #if	defined(AFS_SUN5_ENV) || defined(RXK_LISTENER_ENV) || defined(RXK_UPCALL_ENV)
      afs_warn("RxEvent... ");
      /* cancel rx event daemon */
      while (afs_termState == AFSOP_STOP_RXEVENT)
  	afs_osi_Sleep(&afs_termState);
  # if defined(RXK_LISTENER_ENV)
  #  ifndef UKERNEL
      afs_warn("UnmaskRxkSignals... ");
      afs_osi_UnmaskRxkSignals();
  #  endif
      /* cancel rx listener */
      afs_warn("RxListener... ");
      osi_StopListener();		/* This closes rx_socket. */
      while (afs_termState == AFSOP_STOP_RXK_LISTENER) {
  	afs_warn("Sleep... ");
  	afs_osi_Sleep(&afs_termState);
      }
  # endif
  #endif
  
  #if defined(AFS_SUN510_ENV) || defined(RXK_UPCALL_ENV)
      afs_warn("NetIfPoller... ");
      osi_StopNetIfPoller();
  #endif
      rxi_FreeAllPackets();
  
      afs_termState = AFSOP_STOP_COMPLETE;
  
  #ifdef AFS_AIX51_ENV
      shutdown_daemons();
  #endif
      shutdown_CB();
      shutdown_bufferpackage();
      shutdown_cache();
      shutdown_osi();
      /*
       * Close file only after daemons which can write to it are stopped.
       * Need to close before the osinet shutdown to avoid failing check
       * for dangling memory allocations.
       */
      if (afs_cacheInodep) {	/* memcache won't set this */
  	osi_UFSClose(afs_cacheInodep);	/* Since we always leave it open */
  	afs_cacheInodep = 0;
      }
      /*
       * Shutdown the ICL logs - needed to free allocated memory space and avoid
       * warnings from shutdown_osinet
       */
      shutdown_icl();
      shutdown_osinet();
      shutdown_osifile();
      shutdown_vnodeops();
      shutdown_memcache();
      shutdown_xscache();
  #if (!defined(AFS_NONFSTRANS) || defined(AFS_AIX_IAUTH_ENV))
      shutdown_exporter();
      shutdown_nfsclnt();
  #endif
      shutdown_afstest();
      shutdown_dynroot();
      shutdown_AFS();
      /* The following hold the cm stats */
      memset(&afs_cmstats, 0, sizeof(struct afs_CMStats));
      memset(&afs_stats_cmperf, 0, sizeof(struct afs_stats_CMPerf));
      memset(&afs_stats_cmfullperf, 0, sizeof(struct afs_stats_CMFullPerf));
      afs_warn(" ALL allocated tables... ");
  
      afs_shuttingdown = AFS_RUNNING;
      afs_warn("done\n");
  
      return;			/* Just kill daemons for now */
  }
  
  void
  shutdown_afstest(void)
  {
      AFS_STATCNT(shutdown_afstest);
      afs_initState = afs_termState = 0;
      AFS_Running = afs_CB_Running = 0;
      afs_CacheInit_Done = afs_Go_Done = 0;
      if (afs_cold_shutdown) {
  	*afs_rootVolumeName = 0;
      }
  }
  