extern ipc_port_t master_device_port;
+extern void iokit_retain_port( ipc_port_t port );
+extern void iokit_release_port( ipc_port_t port );
+
#include <vm/vm_map.h>
} /* extern "C" */
public:
OSObject * object;
ipc_port_t port;
+ UInt32 mscount;
static IOMachPort * portForObject( OSObject * obj,
ipc_kobject_type_t type );
+ static bool noMoreSendersForObject( OSObject * obj,
+ ipc_kobject_type_t type, mach_port_mscount_t * mscount );
static void releasePortForObject( OSObject * obj,
ipc_kobject_type_t type );
static OSDictionary * dictForType( ipc_kobject_type_t type );
continue;
if( (inst = (IOMachPort *)
- dict->getObject( (const OSSymbol *) obj )))
+ dict->getObject( (const OSSymbol *) obj ))) {
+ inst->mscount++;
+ inst->retain();
continue;
+ }
inst = new IOMachPort;
if( inst && !inst->init()) {
if( inst->port) {
// retains obj
dict->setObject( (const OSSymbol *) obj, inst );
- inst->release(); // one more to free port => release obj
+ inst->mscount++;
} else {
inst->release();
return( inst );
}
+bool IOMachPort::noMoreSendersForObject( OSObject * obj,
+ ipc_kobject_type_t type, mach_port_mscount_t * mscount )
+{
+ OSDictionary * dict;
+ IOMachPort * machPort;
+ bool destroyed = true;
+
+ IOTakeLock( gIOObjectPortLock);
+
+ if( (dict = dictForType( type ))) {
+ obj->retain();
+
+ machPort = (IOMachPort *) dict->getObject( (const OSSymbol *) obj );
+ if( machPort) {
+ destroyed = (machPort->mscount == *mscount);
+ if( destroyed)
+ dict->removeObject( (const OSSymbol *) obj );
+ else
+ *mscount = machPort->mscount;
+ }
+ obj->release();
+ }
+
+ IOUnlock( gIOObjectPortLock);
+
+ return( destroyed );
+}
+
void IOMachPort::releasePortForObject( OSObject * obj,
ipc_kobject_type_t type )
{
iokit_port_for_object( io_object_t obj, ipc_kobject_type_t type )
{
IOMachPort * machPort;
+ ipc_port_t port;
- if( (machPort = IOMachPort::portForObject( obj, type )))
- return( machPort->port );
- else
- return( 0 );
+ if( (machPort = IOMachPort::portForObject( obj, type ))) {
+
+ port = machPort->port;
+ if( port)
+ iokit_retain_port( port );
+
+ machPort->release();
+
+ } else
+ port = NULL;
+
+ return( port );
}
kern_return_t
iokit_client_died( io_object_t obj, ipc_port_t /* port */,
- ipc_kobject_type_t type )
+ ipc_kobject_type_t type, mach_port_mscount_t * mscount )
{
IOUserClient * client;
IOMemoryMap * map;
+ if( !IOMachPort::noMoreSendersForObject( obj, type, mscount ))
+ return( kIOReturnNotReady );
+
if( (IKOT_IOKIT_CONNECT == type)
&& (client = OSDynamicCast( IOUserClient, obj )))
client->clientDied();
&& (map = OSDynamicCast( IOMemoryMap, obj )))
map->taskDied();
- IOMachPort::releasePortForObject( obj, type );
-
- return( kIOReturnSuccess);
+ return( kIOReturnSuccess );
}
}; /* extern "C" */
pingMsg->msgHdr.msgh_remote_port = port;
pingMsg->msgHdr.msgh_bits = MACH_MSGH_BITS(
MACH_MSG_TYPE_COPY_SEND,
- MACH_MSG_TYPE_COPY_SEND );
+ MACH_MSG_TYPE_MAKE_SEND );
pingMsg->msgHdr.msgh_size = msgSize;
pingMsg->msgHdr.msgh_id = kOSNotificationMessageID;
{
unsigned int count;
kern_return_t kr;
- IOMachPort * machPort;
+ ipc_port_t port = NULL;
bool sendPing = false;
IOTakeLock( lock );
IOUnlock( lock );
if( sendPing) {
- if( (0 == pingMsg->msgHdr.msgh_local_port)
- && (machPort = IOMachPort::portForObject( this, IKOT_IOKIT_OBJECT ) ))
- pingMsg->msgHdr.msgh_local_port = machPort->port;
+ if( (port = iokit_port_for_object( this, IKOT_IOKIT_OBJECT ) ))
+ pingMsg->msgHdr.msgh_local_port = port;
+ else
+ pingMsg->msgHdr.msgh_local_port = NULL;
kr = mach_msg_send_from_kernel( &pingMsg->msgHdr,
pingMsg->msgHdr.msgh_size);
+ if( port)
+ iokit_release_port( port );
+
if( KERN_SUCCESS != kr)
IOLog("%s: mach_msg_send_from_kernel {%x}\n", __FILE__, kr );
}
void * messageArgument, vm_size_t argSize )
{
kern_return_t kr;
- IOMachPort * machPort;
+ ipc_port_t port;
IOServiceInterestContent * data = (IOServiceInterestContent *)
pingMsg->notifyHeader.content;
- sizeof( data->messageArgument)
+ argSize;
- if( (machPort = IOMachPort::portForObject( provider, IKOT_IOKIT_OBJECT ) ))
- pingMsg->msgHdr.msgh_local_port = machPort->port;
+ if( (port = iokit_port_for_object( provider, IKOT_IOKIT_OBJECT ) ))
+ pingMsg->msgHdr.msgh_local_port = port;
else
- pingMsg->msgHdr.msgh_local_port = MACH_PORT_NULL;
+ pingMsg->msgHdr.msgh_local_port = NULL;
kr = mach_msg_send_from_kernel( &pingMsg->msgHdr,
pingMsg->msgHdr.msgh_size);
+
+ if( port)
+ iokit_release_port( port );
+
if( KERN_SUCCESS != kr)
IOLog("%s: mach_msg_send_from_kernel {%x}\n", __FILE__, kr );
IOMemoryMap * IOUserClient::mapClientMemory(
IOOptionBits type,
task_t task,
- IOOptionBits mapFlags = kIOMapAnywhere,
- IOVirtualAddress atAddress = 0 )
+ IOOptionBits mapFlags,
+ IOVirtualAddress atAddress )
{
IOReturn err;
IOOptionBits options = 0;
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-#include <IOKit/pci/IOPCIDevice.h>
-
-static void makeMatchingCompatible( OSDictionary * dict )
-{
- const char * key;
- const char * newKey;
- OSObject * value;
- OSString * str;
- int i = 0;
-
- static const char * gratuitousNameChanges[] = {
- "IOImports", kIOProviderClassKey,
- "IOClass Names", kIOClassKey,
- "IOProbe Score", kIOProbeScoreKey,
- "IOKit Debug", kIOKitDebugKey,
- "IONeededResources", kIOResourceMatchKey,
- "IOName Match", kIONameMatchKey,
- "IOPCI Match", kIOPCIMatchKey,
- "IOPCI Primary Match", kIOPCIPrimaryMatchKey,
- "IOPCI Secondary Match",kIOPCISecondaryMatchKey,
- "IOPCI Class Match", kIOPCIClassMatchKey,
- 0
- };
-
- while( (key = gratuitousNameChanges[i++])) {
- newKey = gratuitousNameChanges[i++];
- if( (value = dict->getObject( key))
- && (0 == dict->getObject( newKey))) {
-
- dict->setObject( newKey, value);
- dict->removeObject( key);
-
- if( (str = OSDynamicCast(OSString, dict->getObject("CFBundleIdentifier"))))
- IOLog("kext \"%s\" ", str->getCStringNoCopy());
- IOLog("must change \"%s\" to \"%s\"\n", key, newKey);
- }
- }
-}
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
extern "C" {
#define CHECK(cls,obj,out) \
obj = OSUnserializeXML( matching );
if( (dict = OSDynamicCast( OSDictionary, obj))) {
- makeMatchingCompatible( dict ); // temp for binary compatibility
*existing = IOService::getMatchingServices( dict );
kr = kIOReturnSuccess;
} else
err = kIOReturnBadArgument;
continue;
}
- makeMatchingCompatible( dict ); // temp for binary compatibility
if( (sym == gIOPublishNotification)
|| (sym == gIOFirstPublishNotification))
/* Routine io_registry_entry_get_name_in_plane */
kern_return_t is_io_registry_entry_get_name_in_plane(
io_object_t registry_entry,
- io_name_t plane,
+ io_name_t planeName,
io_name_t name )
{
+ const IORegistryPlane * plane;
CHECK( IORegistryEntry, registry_entry, entry );
- strncpy( name, entry->getName( IORegistryEntry::getPlane( plane )),
- sizeof( io_name_t));
+ if( planeName[0])
+ plane = IORegistryEntry::getPlane( planeName );
+ else
+ plane = 0;
+
+ strncpy( name, entry->getName( plane), sizeof( io_name_t));
return( kIOReturnSuccess );
}
+/* Routine io_registry_entry_get_location_in_plane */
+kern_return_t is_io_registry_entry_get_location_in_plane(
+ io_object_t registry_entry,
+ io_name_t planeName,
+ io_name_t location )
+{
+ const IORegistryPlane * plane;
+ CHECK( IORegistryEntry, registry_entry, entry );
+
+ if( planeName[0])
+ plane = IORegistryEntry::getPlane( planeName );
+ else
+ plane = 0;
+
+ const char * cstr = entry->getLocation( plane );
+
+ if( cstr) {
+ strncpy( location, cstr, sizeof( io_name_t));
+ return( kIOReturnSuccess );
+ } else
+ return( kIOReturnNotFound );
+}
+
// Create a vm_map_copy_t or kalloc'ed data for memory
// to be copied out. ipc will free after the copyout.
kern_return_t err;
vm_map_copy_t copy;
- err = vm_map_copyin( kernel_map, (vm_offset_t) data, len,
- false /* src_destroy */, ©);
+ err = vm_map_copyin( kernel_map, (vm_offset_t) data, len,
+ false /* src_destroy */, ©);
+
+ assert( err == KERN_SUCCESS );
+ if( err == KERN_SUCCESS )
+ *buf = (char *) copy;
+
+ return( err );
+}
+
+/* Routine io_registry_entry_get_property */
+kern_return_t is_io_registry_entry_get_property_bytes(
+ io_object_t registry_entry,
+ io_name_t property_name,
+ io_scalar_inband_t buf,
+ mach_msg_type_number_t *dataCnt )
+{
+ OSObject * obj;
+ OSData * data;
+ OSString * str;
+ OSBoolean * boo;
+ OSNumber * off;
+ UInt64 offsetBytes;
+ unsigned int len = 0;
+ const void * bytes = 0;
+ IOReturn ret = kIOReturnSuccess;
+
+ CHECK( IORegistryEntry, registry_entry, entry );
+
+ obj = entry->copyProperty(property_name);
+ if( !obj)
+ return( kIOReturnNoResources );
+
+ // One day OSData will be a common container base class
+ // until then...
+ if( (data = OSDynamicCast( OSData, obj ))) {
+ len = data->getLength();
+ bytes = data->getBytesNoCopy();
+
+ } else if( (str = OSDynamicCast( OSString, obj ))) {
+ len = str->getLength() + 1;
+ bytes = str->getCStringNoCopy();
+
+ } else if( (boo = OSDynamicCast( OSBoolean, obj ))) {
+ len = boo->isTrue() ? sizeof("Yes") : sizeof("No");
+ bytes = boo->isTrue() ? "Yes" : "No";
+
+ } else if( (off = OSDynamicCast( OSNumber, obj ))) {
+ offsetBytes = off->unsigned64BitValue();
+ len = off->numberOfBytes();
+ bytes = &offsetBytes;
+#if __BIG_ENDIAN__
+ bytes = (const void *)
+ (((UInt32) bytes) + (sizeof( UInt64) - len));
+#endif
+
+ } else
+ ret = kIOReturnBadArgument;
+
+ if( bytes) {
+ if( *dataCnt < len)
+ ret = kIOReturnIPCError;
+ else {
+ *dataCnt = len;
+ bcopy( bytes, buf, len );
+ }
+ }
+ obj->release();
+
+ return( ret );
+}
+
+/* Routine io_registry_entry_get_property */
+kern_return_t is_io_registry_entry_get_property(
+ io_object_t registry_entry,
+ io_name_t property_name,
+ io_buf_ptr_t *properties,
+ mach_msg_type_number_t *propertiesCnt )
+{
+ kern_return_t err;
+ vm_size_t len;
+ OSObject * obj;
+
+ CHECK( IORegistryEntry, registry_entry, entry );
+
+ obj = entry->copyProperty(property_name);
+ if( !obj)
+ return( kIOReturnNotFound );
+
+ OSSerialize * s = OSSerialize::withCapacity(4096);
+ if( !s) {
+ obj->release();
+ return( kIOReturnNoMemory );
+ }
+ s->clearText();
+
+ if( obj->serialize( s )) {
+ len = s->getLength();
+ *propertiesCnt = len;
+ err = copyoutkdata( s->text(), len, properties );
+
+ } else
+ err = kIOReturnUnsupported;
+
+ s->release();
+ obj->release();
- assert( err == KERN_SUCCESS );
- if( err == KERN_SUCCESS )
- *buf = (char *) copy;
return( err );
}
+/* Routine io_registry_entry_get_property_recursively */
+kern_return_t is_io_registry_entry_get_property_recursively(
+ io_object_t registry_entry,
+ io_name_t plane,
+ io_name_t property_name,
+ int options,
+ io_buf_ptr_t *properties,
+ mach_msg_type_number_t *propertiesCnt )
+{
+ kern_return_t err;
+ vm_size_t len;
+ OSObject * obj;
+
+ CHECK( IORegistryEntry, registry_entry, entry );
+
+ obj = entry->copyProperty( property_name,
+ IORegistryEntry::getPlane( plane ), options);
+ if( !obj)
+ return( kIOReturnNotFound );
+
+ OSSerialize * s = OSSerialize::withCapacity(4096);
+ if( !s) {
+ obj->release();
+ return( kIOReturnNoMemory );
+ }
+
+ s->clearText();
+
+ if( obj->serialize( s )) {
+ len = s->getLength();
+ *propertiesCnt = len;
+ err = copyoutkdata( s->text(), len, properties );
+
+ } else
+ err = kIOReturnUnsupported;
+
+ s->release();
+ obj->release();
+
+ return( err );
+}
/* Routine io_registry_entry_get_properties */
kern_return_t is_io_registry_entry_get_properties(
CHECK( IORegistryEntry, registry_entry, entry );
OSSerialize * s = OSSerialize::withCapacity(4096);
-
if( !s)
return( kIOReturnNoMemory );
} else
err = kIOReturnUnsupported;
- s->release();
+ s->release();
return( err );
}
return( err );
}
-
-/* Routine io_registry_entry_get_property */
-kern_return_t is_io_registry_entry_get_property(
- io_object_t registry_entry,
- io_name_t property_name,
- io_scalar_inband_t buf,
- mach_msg_type_number_t *dataCnt )
-{
- OSObject * obj;
- OSData * data;
- OSString * str;
- OSBoolean * boo;
- OSNumber * off;
- UInt64 offsetBytes;
- unsigned int len = 0;
- const void * bytes = 0;
- IOReturn ret = kIOReturnSuccess;
-
- CHECK( IORegistryEntry, registry_entry, entry );
-
- obj = entry->getProperty( property_name );
- if( !obj)
- return( kIOReturnNoResources );
-
- // One day OSData will be a common container base class
- // until then...
- if( (data = OSDynamicCast( OSData, obj ))) {
- len = data->getLength();
- bytes = data->getBytesNoCopy();
-
- } else if( (str = OSDynamicCast( OSString, obj ))) {
- len = str->getLength() + 1;
- bytes = str->getCStringNoCopy();
-
- } else if( (boo = OSDynamicCast( OSBoolean, obj ))) {
- len = boo->isTrue() ? sizeof("Yes") : sizeof("No");
- bytes = boo->isTrue() ? "Yes" : "No";
-
- } else if( (off = OSDynamicCast( OSNumber, obj ))) {
- offsetBytes = off->unsigned64BitValue();
- len = off->numberOfBytes();
- bytes = &offsetBytes;
-#if __BIG_ENDIAN__
- bytes = (const void *)
- (((UInt32) bytes) + (sizeof( UInt64) - len));
-#endif
-
- } else
- ret = kIOReturnBadArgument;
-
- if( bytes) {
- if( *dataCnt < len)
- ret = kIOReturnIPCError;
- else {
- *dataCnt = len;
- bcopy( bytes, buf, len );
- }
- }
-
- return( ret );
-}
-
-
/* Routine io_registry_entry_get_child_iterator */
kern_return_t is_io_registry_entry_get_child_iterator(
io_object_t registry_entry,
IOLockLock( gIOObjectPortLock);
if( client->mappings)
client->mappings->removeObject( map);
- IOMachPort::releasePortForObject( map, IKOT_IOKIT_OBJECT );
IOLockUnlock( gIOObjectPortLock);
+ IOMachPort::releasePortForObject( map, IKOT_IOKIT_OBJECT );
map->release();
} else
err = kIOReturnBadArgument;
array = OSDynamicCast(OSArray, obj);
if ( array ) {
-//--
- OSDictionary * dict;
- int i = 0;
- while( (dict = OSDynamicCast(OSDictionary, array->getObject(i++))))
- makeMatchingCompatible( dict );
-//--
if ( !gIOCatalogue->addDrivers( array ,
flag == kIOCatalogAddDrivers) ) {
kr = kIOReturnError;
dict = OSDynamicCast(OSDictionary, obj);
if ( dict ) {
- makeMatchingCompatible( dict );
if ( !gIOCatalogue->removeDrivers( dict,
flag == kIOCatalogRemoveDrivers ) ) {
kr = kIOReturnError;
dict = OSDynamicCast(OSDictionary, obj);
if ( dict ) {
- makeMatchingCompatible( dict );
if ( !gIOCatalogue->startMatching( dict ) ) {
kr = kIOReturnError;
}
case kIOCatalogRemoveKernelLinker: {
if (gIOCatalogue->removeKernelLinker() != KERN_SUCCESS) {
kr = kIOReturnError;
+ } else {
+ kr = kIOReturnSuccess;
}
}
break;
return kIOReturnSuccess;
}
-kern_return_t iokit_user_client_trap(io_object_t userClientRef, UInt32 index, void *p1, void *p2, void *p3, void *p4, void *p5, void *p6)
+kern_return_t iokit_user_client_trap(io_object_t userClientRef, UInt32 index,
+ void *p1, void *p2, void *p3,
+ void *p4, void *p5, void *p6)
{
- kern_return_t result = kIOReturnBadArgument;
- IOUserClient *userClient;
+ kern_return_t result = kIOReturnBadArgument;
+ IOUserClient *userClient;
- if ((userClient = OSDynamicCast(IOUserClient, iokit_lookup_connect_ref_current_task(userClientRef)))) {
- IOExternalTrap *trap;
- IOService *target = NULL;
+ if ((userClient = OSDynamicCast(IOUserClient,
+ iokit_lookup_connect_ref_current_task(userClientRef)))) {
+ IOExternalTrap *trap;
+ IOService *target = NULL;
- trap = userClient->getTargetAndTrapForIndex(&target, index);
+ trap = userClient->getTargetAndTrapForIndex(&target, index);
- if (trap && target) {
- IOTrap func;
+ if (trap && target) {
+ IOTrap func;
- func = trap->func;
+ func = trap->func;
- if (func) {
- result = (target->*func)(p1, p2, p3, p4, p5, p6);
- }
- }
+ if (func) {
+ result = (target->*func)(p1, p2, p3, p4, p5, p6);
+ }
+ }
- userClient->release();
- }
+ userClient->release();
+ }
- return result;
+ return result;
}
}; /* extern "C" */
projects / apple / xnu.git / blobdiff