Partition.h

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#ifndef _PARTITION_H_
#define _PARTITION_H_
 
#include <Uefi.h>
#include <Protocol/BlockIo.h>
#include <Protocol/BlockIo2.h>
#include <Guid/Gpt.h>
#include <Protocol/ComponentName.h>
#include <Protocol/DevicePath.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/DiskIo.h>
#include <Protocol/DiskIo2.h>
#include <Protocol/PartitionInfo.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>
 
#include <IndustryStandard/Mbr.h>
#include <IndustryStandard/ElTorito.h>
#include <IndustryStandard/Udf.h>
 
//
// Partition private data
//
#define PARTITION_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('P', 'a', 'r', 't')
typedef struct {
  UINT64                         Signature;
 
  EFI_HANDLE                     Handle;
  EFI_DEVICE_PATH_PROTOCOL       *DevicePath;
  EFI_BLOCK_IO_PROTOCOL          BlockIo;
  EFI_BLOCK_IO2_PROTOCOL         BlockIo2;
  EFI_BLOCK_IO_MEDIA             Media;
  EFI_BLOCK_IO_MEDIA             Media2;// For BlockIO2
  EFI_PARTITION_INFO_PROTOCOL    PartitionInfo;
 
  EFI_DISK_IO_PROTOCOL           *DiskIo;
  EFI_DISK_IO2_PROTOCOL          *DiskIo2;
  EFI_BLOCK_IO_PROTOCOL          *ParentBlockIo;
  EFI_BLOCK_IO2_PROTOCOL         *ParentBlockIo2;
  UINT64                         Start;
  UINT64                         End;
  UINT32                         BlockSize;
  BOOLEAN                        InStop;
 
  EFI_GUID                       TypeGuid;
} PARTITION_PRIVATE_DATA;
 
typedef struct {
  EFI_DISK_IO2_TOKEN     DiskIo2Token;
  EFI_BLOCK_IO2_TOKEN    *BlockIo2Token;
} PARTITION_ACCESS_TASK;
 
#define PARTITION_DEVICE_FROM_BLOCK_IO_THIS(a)   CR (a, PARTITION_PRIVATE_DATA, BlockIo, PARTITION_PRIVATE_DATA_SIGNATURE)
#define PARTITION_DEVICE_FROM_BLOCK_IO2_THIS(a)  CR (a, PARTITION_PRIVATE_DATA, BlockIo2, PARTITION_PRIVATE_DATA_SIGNATURE)
 
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL   gPartitionDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL   gPartitionComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL  gPartitionComponentName2;
 
//
// Extract INT32 from char array
//
#define UNPACK_INT32(a)  (INT32)( (((UINT8 *) a)[0] <<  0) |   \
                                 (((UINT8 *) a)[1] <<  8) |    \
                                 (((UINT8 *) a)[2] << 16) |    \
                                 (((UINT8 *) a)[3] << 24) )
 
//
// Extract UINT32 from char array
//
#define UNPACK_UINT32(a)  (UINT32)( (((UINT8 *) a)[0] <<  0) |   \
                                   (((UINT8 *) a)[1] <<  8) |    \
                                   (((UINT8 *) a)[2] << 16) |    \
                                   (((UINT8 *) a)[3] << 24) )
 
//
// GPT Partition Entry Status
//
typedef struct {
  BOOLEAN    OutOfRange;
  BOOLEAN    Overlap;
  BOOLEAN    OsSpecific;
} EFI_PARTITION_ENTRY_STATUS;
 
//
// Function Prototypes
//
 
EFI_STATUS
EFIAPI
PartitionDriverBindingSupported (
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                   ControllerHandle,
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath
  );
 
EFI_STATUS
EFIAPI
PartitionDriverBindingStart (
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                   ControllerHandle,
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath
  );
 
EFI_STATUS
EFIAPI
PartitionDriverBindingStop (
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN  EFI_HANDLE                   ControllerHandle,
  IN  UINTN                        NumberOfChildren,
  IN  EFI_HANDLE                   *ChildHandleBuffer
  );
 
//
// EFI Component Name Functions
//
 
EFI_STATUS
EFIAPI
PartitionComponentNameGetDriverName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **DriverName
  );
 
EFI_STATUS
EFIAPI
PartitionComponentNameGetControllerName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  EFI_HANDLE                   ControllerHandle,
  IN  EFI_HANDLE                   ChildHandle        OPTIONAL,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **ControllerName
  );
 
EFI_STATUS
PartitionInstallChildHandle (
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN  EFI_HANDLE                   ParentHandle,
  IN  EFI_DISK_IO_PROTOCOL         *ParentDiskIo,
  IN  EFI_DISK_IO2_PROTOCOL        *ParentDiskIo2,
  IN  EFI_BLOCK_IO_PROTOCOL        *ParentBlockIo,
  IN  EFI_BLOCK_IO2_PROTOCOL       *ParentBlockIo2,
  IN  EFI_DEVICE_PATH_PROTOCOL     *ParentDevicePath,
  IN  EFI_DEVICE_PATH_PROTOCOL     *DevicePathNode,
  IN  EFI_PARTITION_INFO_PROTOCOL  *PartitionInfo,
  IN  EFI_LBA                      Start,
  IN  EFI_LBA                      End,
  IN  UINT32                       BlockSize,
  IN  EFI_GUID                     *TypeGuid
  );
 
BOOLEAN
HasChildren (
  IN EFI_HANDLE  ControllerHandle
  );
 
EFI_STATUS
PartitionInstallGptChildHandles (
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN  EFI_HANDLE                   Handle,
  IN  EFI_DISK_IO_PROTOCOL         *DiskIo,
  IN  EFI_DISK_IO2_PROTOCOL        *DiskIo2,
  IN  EFI_BLOCK_IO_PROTOCOL        *BlockIo,
  IN  EFI_BLOCK_IO2_PROTOCOL       *BlockIo2,
  IN  EFI_DEVICE_PATH_PROTOCOL     *DevicePath
  );
 
EFI_STATUS
PartitionInstallElToritoChildHandles (
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN  EFI_HANDLE                   Handle,
  IN  EFI_DISK_IO_PROTOCOL         *DiskIo,
  IN  EFI_DISK_IO2_PROTOCOL        *DiskIo2,
  IN  EFI_BLOCK_IO_PROTOCOL        *BlockIo,
  IN  EFI_BLOCK_IO2_PROTOCOL       *BlockIo2,
  IN  EFI_DEVICE_PATH_PROTOCOL     *DevicePath
  );
 
EFI_STATUS
PartitionInstallMbrChildHandles (
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN  EFI_HANDLE                   Handle,
  IN  EFI_DISK_IO_PROTOCOL         *DiskIo,
  IN  EFI_DISK_IO2_PROTOCOL        *DiskIo2,
  IN  EFI_BLOCK_IO_PROTOCOL        *BlockIo,
  IN  EFI_BLOCK_IO2_PROTOCOL       *BlockIo2,
  IN  EFI_DEVICE_PATH_PROTOCOL     *DevicePath
  );
 
EFI_STATUS
PartitionInstallUdfChildHandles (
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN  EFI_HANDLE                   Handle,
  IN  EFI_DISK_IO_PROTOCOL         *DiskIo,
  IN  EFI_DISK_IO2_PROTOCOL        *DiskIo2,
  IN  EFI_BLOCK_IO_PROTOCOL        *BlockIo,
  IN  EFI_BLOCK_IO2_PROTOCOL       *BlockIo2,
  IN  EFI_DEVICE_PATH_PROTOCOL     *DevicePath
  );
 
typedef
EFI_STATUS
(*PARTITION_DETECT_ROUTINE) (
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN  EFI_HANDLE                   Handle,
  IN  EFI_DISK_IO_PROTOCOL         *DiskIo,
  IN  EFI_DISK_IO2_PROTOCOL        *DiskIo2,
  IN  EFI_BLOCK_IO_PROTOCOL        *BlockIo,
  IN  EFI_BLOCK_IO2_PROTOCOL       *BlockIo2,
  IN  EFI_DEVICE_PATH_PROTOCOL     *DevicePath
  );
 
#endif