]> git.saurik.com Git - apple/xnu.git/blobdiff - iokit/bsddev/IOKitBSDInit.cpp
xnu-2422.1.72.tar.gz
[apple/xnu.git] / iokit / bsddev / IOKitBSDInit.cpp
index e7ec120be3f9340b724e623c168d0e7721c30e12..ac28f446bed91bae7e1b1471f86a49f0534eeb7f 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2011 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -28,6 +28,7 @@
 #include <IOKit/IOBSD.h>
 #include <IOKit/IOLib.h>
 #include <IOKit/IOService.h>
+#include <IOKit/IOCatalogue.h>
 #include <IOKit/IODeviceTreeSupport.h>
 #include <IOKit/IOKitKeys.h>
 #include <IOKit/IOPlatformExpert.h>
@@ -36,21 +37,91 @@ extern "C" {
 
 #include <pexpert/pexpert.h>
 #include <kern/clock.h>
+#include <uuid/uuid.h>
 
 // how long to wait for matching root device, secs
-#define ROOTDEVICETIMEOUT      60
+#if DEBUG
+#define ROOTDEVICETIMEOUT       120
+#else
+#define ROOTDEVICETIMEOUT       60
+#endif
 
-extern dev_t mdevadd(int devid, ppnum_t base, unsigned int size, int phys);
+extern dev_t mdevadd(int devid, uint64_t base, unsigned int size, int phys);
 extern dev_t mdevlookup(int devid);
+extern void mdevremoveall(void);
+extern void di_root_ramfile(IORegistryEntry * entry);
 
 kern_return_t
 IOKitBSDInit( void )
 {
     IOService::publishResource("IOBSD");
+
     return( kIOReturnSuccess );
 }
 
+void
+IOServicePublishResource( const char * property, boolean_t value )
+{
+    if ( value)
+        IOService::publishResource( property, kOSBooleanTrue );
+    else
+        IOService::getResourceService()->removeProperty( property );
+}
+
+boolean_t
+IOServiceWaitForMatchingResource( const char * property, uint64_t timeout )
+{
+    OSDictionary *     dict = 0;
+    IOService *         match = 0;
+    boolean_t          found = false;
+    
+    do {
+        
+        dict = IOService::resourceMatching( property );
+        if( !dict)
+            continue;
+        match = IOService::waitForMatchingService( dict, timeout );
+        if ( match)
+            found = true;
+        
+    } while( false );
+    
+    if( dict)
+        dict->release();
+    if( match)
+        match->release();
+    
+    return( found );
+}
+
+boolean_t
+IOCatalogueMatchingDriversPresent( const char * property )
+{
+    OSDictionary *     dict = 0;
+    OSOrderedSet *     set = 0;
+    SInt32             generationCount = 0;
+    boolean_t          found = false;
+    
+    do {
+        
+        dict = OSDictionary::withCapacity(1);
+        if( !dict)
+            continue;
+        dict->setObject( property, kOSBooleanTrue );
+        set = gIOCatalogue->findDrivers( dict, &generationCount );
+        if ( set && (set->getCount() > 0))
+            found = true;
+        
+    } while( false );
+    
+    if( dict)
+        dict->release();
+    if( set)
+        set->release();
+    
+    return( found );
+}
+
 OSDictionary * IOBSDNameMatching( const char * name )
 {
     OSDictionary *     dict;
@@ -84,90 +155,13 @@ OSDictionary * IOUUIDMatching( void )
     return IOService::resourceMatching( "boot-uuid-media" );
 }
 
-
-OSDictionary * IOCDMatching( void )
-{
-    OSDictionary *     dict;
-    const OSSymbol *   str;
-    
-    dict = IOService::serviceMatching( "IOMedia" );
-    if( dict == 0 ) {
-        IOLog("Unable to find IOMedia\n");
-        return 0;
-    }
-    
-    str = OSSymbol::withCString( "CD_ROM_Mode_1" );
-    if( str == 0 ) {
-        dict->release();
-        return 0;
-    }
-    
-    dict->setObject( "Content Hint", (OSObject *)str );
-    str->release();        
-    return( dict );
-}
-
-OSDictionary * IONetworkMatching(  const char * path,
-                                  char * buf, int maxLen )
-{
-    OSDictionary *     matching = 0;
-    OSDictionary *     dict;
-    OSString *         str;
-    char *             comp;
-    const char *       skip;
-    int                        len;
-
-    do {
-
-       len = strlen( kIODeviceTreePlane ":" );
-       maxLen -= len;
-       if( maxLen < 0)
-           continue;
-
-       strcpy( buf, kIODeviceTreePlane ":" );
-       comp = buf + len;
-
-        // remove parameters following ':' from the path
-        skip = strchr( path, ':');
-       if( !skip)
-           continue;
-
-        len = skip - path;
-       maxLen -= len;
-       if( maxLen < 0)
-           continue;
-        strncpy( comp, path, len );
-        comp[ len ] = 0;
-
-       matching = IOService::serviceMatching( "IONetworkInterface" );
-       if( !matching)
-           continue;
-       dict = IOService::addLocation( matching );
-       if( !dict)
-           continue;
-
-       str = OSString::withCString( buf );
-       if( !str)
-           continue;
-        dict->setObject( kIOPathMatchKey, str );
-       str->release();
-
-       return( matching );
-
-    } while( false );
-
-    if( matching)
-        matching->release();
-
-    return( 0 );
-}
-
 OSDictionary * IONetworkNamePrefixMatching( const char * prefix )
 {
     OSDictionary *      matching;
     OSDictionary *   propDict = 0;
     const OSSymbol * str      = 0;
-
+       char networkType[128];
+       
     do {
         matching = IOService::serviceMatching( "IONetworkInterface" );
         if ( matching == 0 )
@@ -185,6 +179,18 @@ OSDictionary * IONetworkNamePrefixMatching( const char * prefix )
         str->release();
         str = 0;
 
+               // see if we're contrained to netroot off of specific network type
+               if(PE_parse_boot_argn( "network-type", networkType, 128 ))
+               {
+                       str = OSSymbol::withCString( networkType );
+                       if(str)
+                       {
+                               propDict->setObject( "IONetworkRootType", str);
+                               str->release();
+                               str = 0;
+                       }
+               }
+
         if ( matching->setObject( gIOPropertyMatchKey,
                                   (OSObject *) propDict ) != true )
             continue;
@@ -256,118 +262,28 @@ static bool IORegisterNetworkInterface( IOService * netif )
        return ( netif->getProperty( kIOBSDNameKey ) != 0 );
 }
 
-OSDictionary * IODiskMatching( const char * path, char * buf, int maxLen )
-{
-    const char * look;
-    const char * alias;
-    char *       comp;
-    long         unit = -1;
-    long         partition = -1;
-    long                lun = -1;
-    char         c;
-
-    // scan the tail of the path for "@unit:partition"
-    do {
-        // Have to get the full path to the controller - an alias may
-        // tell us next to nothing, like "hd:8"
-        alias = IORegistryEntry::dealiasPath( &path, gIODTPlane );
-               
-        look = path + strlen( path);
-        c = ':';
-        while( look != path) {
-            if( *(--look) == c) {
-                if( c == ':') {
-                    partition = strtol( look + 1, 0, 0 );
-                    c = '@';
-                } else if( c == '@') {
-                    unit = strtol( look + 1, &comp, 16 );
-
-                    if( *comp == ',') {
-                        lun = strtol( comp + 1, 0, 16 );
-                    }
-                    
-                    c = '/';
-                } else if( c == '/') {
-                    c = 0;
-                    break;
-                }
-            }
-
-               if( alias && (look == path)) {
-                path = alias;
-                look = path + strlen( path);
-                alias = 0;
-            }
-        }
-        if( c || unit == -1 || partition == -1)
-            continue;
-               
-        maxLen -= strlen( "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
-        maxLen -= ( alias ? strlen( alias ) : 0 ) + (look - path);
-        maxLen -= strlen( "/@hhhhhhhh,hhhhhhhh:dddddddddd';}" );
-
-        if( maxLen > 0) {
-            sprintf( buf, "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
-            comp = buf + strlen( buf );
-                       
-            if( alias) {
-                strcpy( comp, alias );
-                comp += strlen( alias );
-            }
-                       
-            if ( (look - path)) {
-                strncpy( comp, path, look - path);
-                comp += look - path;
-            }
-                       
-                       if ( lun != -1 )
-                       {
-                               sprintf ( comp, "/@%lx,%lx:%ld';}", unit, lun, partition );
-                       }
-                       else
-                       {
-               sprintf( comp, "/@%lx:%ld';}", unit, partition );
-            }
-        } else
-            continue;
-               
-        return( OSDynamicCast(OSDictionary, OSUnserialize( buf, 0 )) );
-
-    } while( false );
-
-    return( 0 );
-}
-
 OSDictionary * IOOFPathMatching( const char * path, char * buf, int maxLen )
 {
-    OSDictionary *     matching;
+    OSDictionary *     matching = NULL;
     OSString *         str;
     char *             comp;
     int                        len;
 
-    /* need to look up path, get device type,
-        call matching help based on device type */
-
-    matching = IODiskMatching( path, buf, maxLen );
-    if( matching)
-       return( matching );
-
     do {
 
        len = strlen( kIODeviceTreePlane ":" );
        maxLen -= len;
-       if( maxLen < 0)
+       if( maxLen <= 0)
            continue;
 
-       strcpy( buf, kIODeviceTreePlane ":" );
+       strlcpy( buf, kIODeviceTreePlane ":", len + 1 );
        comp = buf + len;
 
        len = strlen( path );
        maxLen -= len;
-       if( maxLen < 0)
+       if( maxLen <= 0)
            continue;
-        strncpy( comp, path, len );
-        comp[ len ] = 0;
+       strlcpy( comp, path, len + 1 );
 
        matching = OSDictionary::withCapacity( 1 );
        if( !matching)
@@ -389,45 +305,10 @@ OSDictionary * IOOFPathMatching( const char * path, char * buf, int maxLen )
     return( 0 );
 }
 
-IOService * IOFindMatchingChild( IOService * service )
-{
-    // find a matching child service
-    IOService * child = 0;
-    OSIterator * iter = service->getClientIterator();
-    if ( iter ) {
-        while( ( child = (IOService *) iter->getNextObject() ) ) {
-            OSDictionary * dict = OSDictionary::withCapacity( 1 );
-            if( dict == 0 ) {
-                iter->release();
-                return 0;
-            }
-            const OSSymbol * str = OSSymbol::withCString( "Apple_HFS" );
-            if( str == 0 ) {
-                dict->release();
-                iter->release();
-                return 0;
-            }
-            dict->setObject( "Content", (OSObject *)str );
-            str->release();
-            if ( child->compareProperty( dict, "Content" ) ) {
-                dict->release();
-                break;
-            }
-            dict->release();
-            IOService * subchild = IOFindMatchingChild( child );
-            if ( subchild ) {
-                child = subchild;
-                break;
-            }
-        }
-        iter->release();
-    }
-    return child;
-}
-
 static int didRam = 0;
+enum { kMaxPathBuf = 512, kMaxBootVar = 128 };
 
-kern_return_t IOFindBSDRoot( char * rootName,
+kern_return_t IOFindBSDRoot( char * rootName, unsigned int rootNameSize,
                                dev_t * root, u_int32_t * oflags )
 {
     mach_timespec_t    t;
@@ -437,18 +318,14 @@ kern_return_t IOFindBSDRoot( char * rootName,
     OSString *         iostr;
     OSNumber *         off;
     OSData *           data = 0;
-    UInt32             *ramdParms = 0;
 
     UInt32             flags = 0;
-    int                        minor, major;
-    bool               findHFSChild = false;
-    char *              mediaProperty = 0;
+    int                        mnr, mjr;
+    const char *        mediaProperty = 0;
     char *             rdBootVar;
-    enum {             kMaxPathBuf = 512, kMaxBootVar = 128 };
     char *             str;
     const char *       look = 0;
     int                        len;
-    bool               forceNet = false;
     bool               debugInfoPrintedOnce = false;
     const char *       uuidStr = NULL;
 
@@ -465,12 +342,21 @@ kern_return_t IOFindBSDRoot( char * rootName,
        return( kIOReturnNoMemory );
     rdBootVar = str + kMaxPathBuf;
 
-    if (!PE_parse_boot_arg("rd", rdBootVar )
-     && !PE_parse_boot_arg("rootdev", rdBootVar ))
+    if (!PE_parse_boot_argn("rd", rdBootVar, kMaxBootVar )
+     && !PE_parse_boot_argn("rootdev", rdBootVar, kMaxBootVar ))
        rdBootVar[0] = 0;
 
     do {
        if( (regEntry = IORegistryEntry::fromPath( "/chosen", gIODTPlane ))) {
+           di_root_ramfile(regEntry);
+            data = OSDynamicCast(OSData, regEntry->getProperty( "root-matching" ));
+            if (data) {
+               matching = OSDynamicCast(OSDictionary, OSUnserializeXML((char *)data->getBytesNoCopy()));
+                if (matching) {
+                    continue;
+                }
+            }
+
            data = (OSData *) regEntry->getProperty( "boot-uuid" );
            if( data) {
                uuidStr = (const char*)data->getBytesNoCopy();
@@ -489,34 +375,10 @@ kern_return_t IOFindBSDRoot( char * rootName,
                    uuidStr = NULL;
                }
            }
-
-           // else try for an OF Path
-           data = (OSData *) regEntry->getProperty( "rootpath" );
-           regEntry->release();
-           if( data) continue;
-       }
-        if( (regEntry = IORegistryEntry::fromPath( "/options", gIODTPlane ))) {
-           data = (OSData *) regEntry->getProperty( "boot-file" );
            regEntry->release();
-           if( data) continue;
        }
     } while( false );
 
-    if( data && !uuidStr)
-        look = (const char *) data->getBytesNoCopy();
-
-    if( rdBootVar[0] == '*') {
-        look = rdBootVar + 1;
-               forceNet = false;
-    } else {
-        if( (regEntry = IORegistryEntry::fromPath( "/", gIODTPlane ))) {
-            forceNet = (0 != regEntry->getProperty( "net-boot" ));
-               regEntry->release();
-               }
-    }
-
-
-
 //
 //     See if we have a RAMDisk property in /chosen/memory-map.  If so, make it into a device.
 //     It will become /dev/mdx, where x is 0-f. 
@@ -527,9 +389,9 @@ kern_return_t IOFindBSDRoot( char * rootName,
                if((regEntry = IORegistryEntry::fromPath( "/chosen/memory-map", gIODTPlane ))) {        /* Find the map node */
                        data = (OSData *)regEntry->getProperty("RAMDisk");      /* Find the ram disk, if there */
                        if(data) {                                                                                      /* We found one */
-
-                               ramdParms = (UInt32 *)data->getBytesNoCopy();   /* Point to the ram disk base and size */
-                               (void)mdevadd(-1, ramdParms[0] >> 12, ramdParms[1] >> 12, 0);   /* Initialize it and pass back the device number */
+                               uintptr_t *ramdParms;
+                               ramdParms = (uintptr_t *)data->getBytesNoCopy();        /* Point to the ram disk base and size */
+                               (void)mdevadd(-1, ml_static_ptovirt(ramdParms[0]) >> 12, ramdParms[1] >> 12, 0);        /* Initialize it and pass back the device number */
                        }
                        regEntry->release();                                                            /* Toss the entry */
                }
@@ -566,17 +428,6 @@ kern_return_t IOFindBSDRoot( char * rootName,
                }
        }
 
-    if( look) {
-       // from OpenFirmware path
-       IOLog("From path: \"%s\", ", look);
-
-       if( forceNet || (0 == strncmp( look, "enet", strlen( "enet" ))) ) {
-            matching = IONetworkMatching( look, str, kMaxPathBuf );
-        } else {
-            matching = IODiskMatching( look, str, kMaxPathBuf );
-        }
-    }
-    
       if( (!matching) && rdBootVar[0] ) {
        // by BSD name
        look = rdBootVar;
@@ -585,17 +436,14 @@ kern_return_t IOFindBSDRoot( char * rootName,
     
        if ( strncmp( look, "en", strlen( "en" )) == 0 ) {
            matching = IONetworkNamePrefixMatching( "en" );
-       } else if ( strncmp( look, "cdrom", strlen( "cdrom" )) == 0 ) {
-            matching = IOCDMatching();
-            findHFSChild = true;
-        } else if ( strncmp( look, "uuid", strlen( "uuid" )) == 0 ) {
+       } else if ( strncmp( look, "uuid", strlen( "uuid" )) == 0 ) {
             char *uuid;
             OSString *uuidString;
 
             uuid = (char *)IOMalloc( kMaxBootVar );
                   
             if ( uuid ) {
-                if (!PE_parse_boot_arg( "boot-uuid", uuid )) {
+                if (!PE_parse_boot_argn( "boot-uuid", uuid, kMaxBootVar )) {
                     panic( "rd=uuid but no boot-uuid=<value> specified" ); 
                 } 
                 uuidString = OSString::withCString( uuid );
@@ -614,8 +462,9 @@ kern_return_t IOFindBSDRoot( char * rootName,
     }
 
     if( !matching) {
-        OSString * astring;
-       // any HFS
+       OSString * astring;
+       // Match any HFS media
+       
         matching = IOService::serviceMatching( "IOMedia" );
         astring = OSString::withCStringNoCopy("Apple_HFS");
         if ( astring ) {
@@ -659,27 +508,12 @@ kern_return_t IOFindBSDRoot( char * rootName,
     } while( !service);
     matching->release();
 
-    if ( service && findHFSChild ) {
-        bool waiting = true;
-        // wait for children services to finish registering
-        while ( waiting ) {
-            t.tv_sec = ROOTDEVICETIMEOUT;
-            t.tv_nsec = 0;
-            if ( service->waitQuiet( &t ) == kIOReturnSuccess ) {
-                waiting = false;
-            } else {
-                IOLog( "Waiting for child registration\n" );
-            }
-        }
-        // look for a subservice with an Apple_HFS child
-        IOService * subservice = IOFindMatchingChild( service );
-        if ( subservice ) service = subservice;
-    } else if ( service && mediaProperty ) {
-        service = service->getProperty(mediaProperty);
+    if ( service && mediaProperty ) {
+        service = (IOService *)service->getProperty(mediaProperty);
     }
 
-    major = 0;
-    minor = 0;
+    mjr = 0;
+    mnr = 0;
 
     // If the IOService we matched to is a subclass of IONetworkInterface,
     // then make sure it has been registered with BSD and has a BSD name
@@ -700,13 +534,13 @@ kern_return_t IOFindBSDRoot( char * rootName,
 
        iostr = (OSString *) service->getProperty( kIOBSDNameKey );
        if( iostr)
-           strcpy( rootName, iostr->getCStringNoCopy() );
+           strlcpy( rootName, iostr->getCStringNoCopy(), rootNameSize );
        off = (OSNumber *) service->getProperty( kIOBSDMajorKey );
        if( off)
-           major = off->unsigned32BitValue();
+           mjr = off->unsigned32BitValue();
        off = (OSNumber *) service->getProperty( kIOBSDMinorKey );
        if( off)
-           minor = off->unsigned32BitValue();
+           mnr = off->unsigned32BitValue();
 
        if( service->metaCast( "IONetworkInterface" ))
            flags |= 1;
@@ -714,17 +548,17 @@ kern_return_t IOFindBSDRoot( char * rootName,
     } else {
 
        IOLog( "Wait for root failed\n" );
-        strcpy( rootName, "en0");
+        strlcpy( rootName, "en0", rootNameSize );
         flags |= 1;
     }
 
     IOLog( "BSD root: %s", rootName );
-    if( major)
-       IOLog(", major %d, minor %d\n", major, minor );
+    if( mjr)
+       IOLog(", major %d, minor %d\n", mjr, mnr );
     else
        IOLog("\n");
 
-    *root = makedev( major, minor );
+    *root = makedev( mjr, mnr );
     *oflags = flags;
 
     IOFree( str,  kMaxPathBuf + kMaxBootVar );
@@ -748,6 +582,22 @@ iofrootx:
     return( kIOReturnSuccess );
 }
 
+bool IORamDiskBSDRoot(void)
+{
+    char rdBootVar[kMaxBootVar];
+    if (PE_parse_boot_argn("rd", rdBootVar, kMaxBootVar )
+     || PE_parse_boot_argn("rootdev", rdBootVar, kMaxBootVar )) {
+        if((rdBootVar[0] == 'm') && (rdBootVar[1] == 'd') && (rdBootVar[3] == 0)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+void IOSecureBSDRoot(const char * rootName)
+{
+}
+
 void *
 IOBSDRegistryEntryForDeviceTree(char * path)
 {
@@ -779,4 +629,131 @@ IOBSDRegistryEntryGetData(void * entry, char * property_name,
     return (NULL);
 }
 
+kern_return_t IOBSDGetPlatformUUID( uuid_t uuid, mach_timespec_t timeout )
+{
+    IOService * resources;
+    OSString *  string;
+
+    resources = IOService::waitForService( IOService::resourceMatching( kIOPlatformUUIDKey ), ( timeout.tv_sec || timeout.tv_nsec ) ? &timeout : 0 );
+    if ( resources == 0 ) return KERN_OPERATION_TIMED_OUT;
+
+    string = ( OSString * ) IOService::getPlatform( )->getProvider( )->getProperty( kIOPlatformUUIDKey );
+    if ( string == 0 ) return KERN_NOT_SUPPORTED;
+
+    uuid_parse( string->getCStringNoCopy( ), uuid );
+
+    return KERN_SUCCESS;
+}
+
+kern_return_t IOBSDGetPlatformSerialNumber( char *serial_number_str, u_int32_t len )
+{
+    OSDictionary * platform_dict;
+    IOService *platform;
+    OSString *  string;
+
+    if (len < 1) {
+           return 0;
+    }
+    serial_number_str[0] = '\0';
+
+    platform_dict = IOService::serviceMatching( "IOPlatformExpertDevice" );
+    if (platform_dict == NULL) {
+           return KERN_NOT_SUPPORTED;
+    }
+
+    platform = IOService::waitForService( platform_dict );
+    if (platform) {
+           string = ( OSString * ) platform->getProperty( kIOPlatformSerialNumberKey );
+           if ( string == 0 ) {
+                   return KERN_NOT_SUPPORTED;
+           } else {
+                   strlcpy( serial_number_str, string->getCStringNoCopy( ), len );
+           }
+    }
+    
+    return KERN_SUCCESS;
+}
+
+void IOBSDIterateMediaWithContent(const char *content_uuid_cstring, int (*func)(const char *bsd_dev_name, const char *uuid_str, void *arg), void *arg)
+{
+    OSDictionary *dictionary;
+    OSString *content_uuid_string;
+
+    dictionary = IOService::serviceMatching( "IOMedia" );
+    if( dictionary ) {
+       content_uuid_string = OSString::withCString( content_uuid_cstring );
+       if( content_uuid_string ) {
+           IOService *service;
+           OSIterator *iter;
+
+           dictionary->setObject( "Content", content_uuid_string );
+           dictionary->retain();
+
+           iter = IOService::getMatchingServices(dictionary);
+           while (iter && (service = (IOService *)iter->getNextObject())) {
+                   if( service ) {
+                           OSString *iostr = (OSString *) service->getProperty( kIOBSDNameKey );
+                           OSString *uuidstr = (OSString *) service->getProperty( "UUID" );
+                           const char *uuid;
+
+                           if( iostr) {
+                                   if (uuidstr) {
+                                           uuid = uuidstr->getCStringNoCopy();
+                                   } else {
+                                           uuid = "00000000-0000-0000-0000-000000000000";
+                                   }
+
+                                   // call the callback
+                                   if (func && func(iostr->getCStringNoCopy(), uuid, arg) == 0) {
+                                           break;
+                                   }
+                           }
+                   }
+           }
+           if (iter)
+                   iter->release();
+           
+           content_uuid_string->release();
+       }
+       dictionary->release();
+    }
+}
+
+
+int IOBSDIsMediaEjectable( const char *cdev_name )
+{
+    int ret = 0;
+    OSDictionary *dictionary;
+    OSString *dev_name;
+
+    if (strncmp(cdev_name, "/dev/", 5) == 0) {
+           cdev_name += 5;
+    }
+
+    dictionary = IOService::serviceMatching( "IOMedia" );
+    if( dictionary ) {
+       dev_name = OSString::withCString( cdev_name );
+       if( dev_name ) {
+           IOService *service;
+           mach_timespec_t tv = { 5, 0 };    // wait up to "timeout" seconds for the device
+
+           dictionary->setObject( kIOBSDNameKey, dev_name );
+           dictionary->retain();
+           service = IOService::waitForService( dictionary, &tv );
+           if( service ) {
+               OSBoolean *ejectable = (OSBoolean *) service->getProperty( "Ejectable" );
+
+               if( ejectable ) {
+                       ret = (int)ejectable->getValue();
+               }
+
+           }
+           dev_name->release();
+       }
+       dictionary->release();
+    }
+
+    return ret;
+}
+
 } /* extern "C" */