IOBlockStorageServices.h [plain text]
#ifndef _IOKIT_IO_BLOCK_STORAGE_SERVICES_H_
#define _IOKIT_IO_BLOCK_STORAGE_SERVICES_H_
#if defined(KERNEL) && defined(__cplusplus)
#include <IOKit/IOTypes.h>
#include <IOKit/storage/IOBlockStorageDevice.h>
#include <IOKit/scsi/IOSCSIBlockCommandsDevice.h>
class IOBlockStorageServices : public IOBlockStorageDevice
{
OSDeclareDefaultStructors ( IOBlockStorageServices )
private:
bool fMediaChanged;
bool fMediaPresent;
protected:
IOSCSIBlockCommandsDevice * fProvider;
UInt64 fMaxReadBlocks;
UInt64 fMaxWriteBlocks;
virtual bool attach ( IOService * provider );
virtual void detach ( IOService * provider );
struct IOBlockStorageServicesExpansionData { };
IOBlockStorageServicesExpansionData * fIOBlockStorageServicesReserved;
public:
virtual IOReturn message ( UInt32 type, IOService * provider, void * argument );
static void AsyncReadWriteComplete ( void * clientData,
IOReturn status,
UInt64 actualByteCount );
virtual IOReturn doAsyncReadWrite ( IOMemoryDescriptor * buffer,
UInt32 block,
UInt32 nblks,
IOStorageCompletion completion );
virtual IOReturn doEjectMedia ( void );
virtual IOReturn doFormatMedia ( UInt64 byteCapacity );
virtual UInt32 doGetFormatCapacities ( UInt64 * capacities,
UInt32 capacitiesMaxCount ) const;
virtual IOReturn doLockUnlockMedia ( bool doLock );
virtual IOReturn doSynchronizeCache ( void );
virtual char * getVendorString ( void );
virtual char * getProductString ( void );
virtual char * getRevisionString ( void );
virtual char * getAdditionalDeviceInfoString ( void );
virtual IOReturn reportBlockSize ( UInt64 * blockSize );
virtual IOReturn reportEjectability ( bool * isEjectable );
virtual IOReturn reportLockability ( bool * isLockable );
virtual IOReturn reportMediaState ( bool * mediaPresent, bool * changed );
virtual IOReturn reportPollRequirements ( bool * pollIsRequired,
bool * pollIsExpensive );
virtual IOReturn reportMaxReadTransfer ( UInt64 blockSize, UInt64 * max );
virtual IOReturn reportMaxValidBlock ( UInt64 * maxBlock );
virtual IOReturn reportMaxWriteTransfer ( UInt64 blockSize, UInt64 * max );
virtual IOReturn reportRemovability ( bool * isRemovable );
virtual IOReturn reportWriteProtection ( bool * isWriteProtected );
virtual IOReturn getWriteCacheState ( bool * enabled );
virtual IOReturn setWriteCacheState ( bool enabled );
OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 1 );
OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 2 );
OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 3 );
OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 4 );
OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 5 );
OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 6 );
OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 7 );
OSMetaClassDeclareReservedUnused ( IOBlockStorageServices, 8 );
};
#endif
#endif