/*
- * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2011 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <pexpert/pexpert.h>
#include <kern/clock.h>
#include <uuid/uuid.h>
+#include <sys/vnode_internal.h>
// how long to wait for matching root device, secs
#if DEBUG
#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 )
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;
-
- strlcpy( buf, kIODeviceTreePlane ":", len + 1 );
- comp = buf + len;
-
- // remove parameters following ':' from the path
- skip = strchr( path, ':');
- if( !skip)
- continue;
-
- len = skip - path;
- maxLen -= len;
- if( maxLen <= 0)
- continue;
- strlcpy( comp, path, len + 1 );
-
- 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;
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;
- int len;
-
- // 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;
-
- len = strlen( "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- snprintf( buf, len + 1, "{" kIOPathMatchKey "='" kIODeviceTreePlane ":" );
- comp = buf + len;
-
- if( alias) {
- len = strlen( alias );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- strlcpy( comp, alias, len + 1 );
- comp += len;
- }
-
- if ( (look - path)) {
- len = (look - path);
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- strlcpy( comp, path, len + 1 );
- comp += len;
- }
-
- if ( lun != -1 )
- {
- len = strlen( "/@hhhhhhhh,hhhhhhhh:dddddddddd';}" );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- snprintf( comp, len + 1, "/@%lx,%lx:%ld';}", unit, lun, partition );
- }
- else
- {
- len = strlen( "/@hhhhhhhh:dddddddddd';}" );
- maxLen -= len;
- if( maxLen <= 0)
- continue;
-
- snprintf( comp, len + 1, "/@%lx:%ld';}", unit, partition );
- }
-
- 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 ":" );
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, unsigned int rootNameSize,
dev_t * root, u_int32_t * oflags )
OSString * iostr;
OSNumber * off;
OSData * data = 0;
- UInt32 *ramdParms = 0;
UInt32 flags = 0;
int mnr, mjr;
- bool findHFSChild = false;
- char * mediaProperty = 0;
+ 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;
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()));
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.
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 */
+ 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 */
}
}
- if( look) {
- // from OpenFirmware path
- IOLog("From path: \"%s\", ", look);
-
- if (!matching) {
- 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;
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;
}
}
+ if( gIOKitDebug & kIOWaitQuietBeforeRoot ) {
+ IOLog( "Waiting for matching to complete\n" );
+ IOService::getPlatform()->waitQuiet();
+ }
+
if( true && matching) {
OSSerialize * s = OSSerialize::withCapacity( 5 );
} while( !service);
matching->release();
- if ( service && findHFSChild ) {
- bool waiting = true;
- uint64_t timeoutNS;
-
- // wait for children services to finish registering
- while ( waiting ) {
- timeoutNS = ROOTDEVICETIMEOUT;
- timeoutNS *= kSecondScale;
-
- if ( (service->waitQuiet(timeoutNS) ) == 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 ) {
+ if ( service && mediaProperty ) {
service = (IOService *)service->getProperty(mediaProperty);
}
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)
{
-#if CONFIG_EMBEDDED
- IOReturn result;
- IOPlatformExpert *pe;
- const OSSymbol *functionName = OSSymbol::withCStringNoCopy("SecureRootName");
-
- while ((pe = IOService::getPlatform()) == 0) IOSleep(1 * 1000);
-
- // Returns kIOReturnNotPrivileged is the root device is not secure.
- // Returns kIOReturnUnsupported if "SecureRootName" is not implemented.
- result = pe->callPlatformFunction(functionName, false, (void *)rootName, (void *)0, (void *)0, (void *)0);
-
- functionName->release();
-
- if (result == kIOReturnNotPrivileged) mdevremoveall();
-#endif
}
void *
IOService * resources;
OSString * string;
- resources = IOService::waitForService( IOService::resourceMatching( kIOPlatformUUIDKey ), &timeout );
+ 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 );
return KERN_SUCCESS;
}
-dev_t IOBSDGetMediaWithUUID( const char *uuid_cstring, char *bsd_name, int bsd_name_len, int timeout)
-{
- dev_t dev = 0;
- OSDictionary *dictionary;
- OSString *uuid_string;
-
- if (bsd_name_len < 1) {
- return 0;
- }
- bsd_name[0] = '\0';
-
- dictionary = IOService::serviceMatching( "IOMedia" );
- if( dictionary ) {
- uuid_string = OSString::withCString( uuid_cstring );
- if( uuid_string ) {
- IOService *service;
- mach_timespec_t tv = { timeout, 0 }; // wait up to "timeout" seconds for the device
-
- dictionary->setObject( "UUID", uuid_string );
- dictionary->retain();
- service = IOService::waitForService( dictionary, &tv );
- if( service ) {
- OSNumber *dev_major = (OSNumber *) service->getProperty( kIOBSDMajorKey );
- OSNumber *dev_minor = (OSNumber *) service->getProperty( kIOBSDMinorKey );
- OSString *iostr = (OSString *) service->getProperty( kIOBSDNameKey );
-
- if( iostr)
- strlcpy( bsd_name, iostr->getCStringNoCopy(), bsd_name_len );
-
- if ( dev_major && dev_minor )
- dev = makedev( dev_major->unsigned32BitValue(), dev_minor->unsigned32BitValue() );
- }
- uuid_string->release();
- }
- dictionary->release();
- }
-
- return dev;
-}
-
-
void IOBSDIterateMediaWithContent(const char *content_uuid_cstring, int (*func)(const char *bsd_dev_name, const char *uuid_str, void *arg), void *arg)
{
OSDictionary *dictionary;
projects / apple / xnu.git / blobdiff