mirror of https://github.com/acidanthera/audk.git
413 lines
16 KiB
C
413 lines
16 KiB
C
/** @file
|
|
Partition driver that produces logical BlockIo devices from a physical
|
|
BlockIo device. The logical BlockIo devices are based on the format
|
|
of the raw block devices media. Currently "El Torito CD-ROM", Legacy
|
|
MBR, and GPT partition schemes are supported.
|
|
|
|
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _PARTITION_H_
|
|
#define _PARTITION_H_
|
|
|
|
#include <Uefi.h>
|
|
#include <Protocol/BlockIo.h>
|
|
#include <Guid/Gpt.h>
|
|
#include <Protocol/ComponentName.h>
|
|
#include <Protocol/DevicePath.h>
|
|
#include <Protocol/DriverBinding.h>
|
|
#include <Protocol/DiskIo.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>
|
|
|
|
|
|
//
|
|
// 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_IO_MEDIA Media;
|
|
|
|
EFI_DISK_IO_PROTOCOL *DiskIo;
|
|
EFI_BLOCK_IO_PROTOCOL *ParentBlockIo;
|
|
UINT64 Start;
|
|
UINT64 End;
|
|
UINT32 BlockSize;
|
|
|
|
EFI_GUID *EspGuid;
|
|
|
|
} PARTITION_PRIVATE_DATA;
|
|
|
|
#define PARTITION_DEVICE_FROM_BLOCK_IO_THIS(a) CR (a, PARTITION_PRIVATE_DATA, BlockIo, 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
|
|
//
|
|
/**
|
|
Test to see if this driver supports ControllerHandle. Any ControllerHandle
|
|
than contains a BlockIo and DiskIo protocol can be supported.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param ControllerHandle Handle of device to test
|
|
@param RemainingDevicePath Optional parameter use to pick a specific child
|
|
device to start.
|
|
|
|
@retval EFI_SUCCESS This driver supports this device
|
|
@retval EFI_ALREADY_STARTED This driver is already running on this device
|
|
@retval other This driver does not support this device
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PartitionDriverBindingSupported (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Start this driver on ControllerHandle by opening a Block IO and Disk IO
|
|
protocol, reading Device Path, and creating a child handle with a
|
|
Disk IO and device path protocol.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param ControllerHandle Handle of device to bind driver to
|
|
@param RemainingDevicePath Optional parameter use to pick a specific child
|
|
device to start.
|
|
|
|
@retval EFI_SUCCESS This driver is added to ControllerHandle
|
|
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
|
|
@retval other This driver does not support this device
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PartitionDriverBindingStart (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Stop this driver on ControllerHandle. Support stopping any child handles
|
|
created by this driver.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param ControllerHandle Handle of device to stop driver on
|
|
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
|
|
children is zero stop the entire bus driver.
|
|
@param ChildHandleBuffer List of Child Handles to Stop.
|
|
|
|
@retval EFI_SUCCESS This driver is removed ControllerHandle
|
|
@retval other This driver was not removed from this device
|
|
|
|
**/
|
|
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
|
|
//
|
|
/**
|
|
Retrieves a Unicode string that is the user readable name of the driver.
|
|
|
|
This function retrieves the user readable name of a driver in the form of a
|
|
Unicode string. If the driver specified by This has a user readable name in
|
|
the language specified by Language, then a pointer to the driver name is
|
|
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
|
|
by This does not support the language specified by Language,
|
|
then EFI_UNSUPPORTED is returned.
|
|
|
|
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
|
EFI_COMPONENT_NAME_PROTOCOL instance.
|
|
|
|
@param Language[in] A pointer to a Null-terminated ASCII string
|
|
array indicating the language. This is the
|
|
language of the driver name that the caller is
|
|
requesting, and it must match one of the
|
|
languages specified in SupportedLanguages. The
|
|
number of languages supported by a driver is up
|
|
to the driver writer. Language is specified
|
|
in RFC 4646 or ISO 639-2 language code format.
|
|
|
|
@param DriverName[out] A pointer to the Unicode string to return.
|
|
This Unicode string is the name of the
|
|
driver specified by This in the language
|
|
specified by Language.
|
|
|
|
@retval EFI_SUCCESS The Unicode string for the Driver specified by
|
|
This and the language specified by Language was
|
|
returned in DriverName.
|
|
|
|
@retval EFI_INVALID_PARAMETER Language is NULL.
|
|
|
|
@retval EFI_INVALID_PARAMETER DriverName is NULL.
|
|
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support
|
|
the language specified by Language.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PartitionComponentNameGetDriverName (
|
|
IN EFI_COMPONENT_NAME_PROTOCOL *This,
|
|
IN CHAR8 *Language,
|
|
OUT CHAR16 **DriverName
|
|
);
|
|
|
|
|
|
/**
|
|
Retrieves a Unicode string that is the user readable name of the controller
|
|
that is being managed by a driver.
|
|
|
|
This function retrieves the user readable name of the controller specified by
|
|
ControllerHandle and ChildHandle in the form of a Unicode string. If the
|
|
driver specified by This has a user readable name in the language specified by
|
|
Language, then a pointer to the controller name is returned in ControllerName,
|
|
and EFI_SUCCESS is returned. If the driver specified by This is not currently
|
|
managing the controller specified by ControllerHandle and ChildHandle,
|
|
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
|
|
support the language specified by Language, then EFI_UNSUPPORTED is returned.
|
|
|
|
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
|
EFI_COMPONENT_NAME_PROTOCOL instance.
|
|
|
|
@param ControllerHandle[in] The handle of a controller that the driver
|
|
specified by This is managing. This handle
|
|
specifies the controller whose name is to be
|
|
returned.
|
|
|
|
@param ChildHandle[in] The handle of the child controller to retrieve
|
|
the name of. This is an optional parameter that
|
|
may be NULL. It will be NULL for device
|
|
drivers. It will also be NULL for a bus drivers
|
|
that wish to retrieve the name of the bus
|
|
controller. It will not be NULL for a bus
|
|
driver that wishes to retrieve the name of a
|
|
child controller.
|
|
|
|
@param Language[in] A pointer to a Null-terminated ASCII string
|
|
array indicating the language. This is the
|
|
language of the driver name that the caller is
|
|
requesting, and it must match one of the
|
|
languages specified in SupportedLanguages. The
|
|
number of languages supported by a driver is up
|
|
to the driver writer. Language is specified in
|
|
RFC 4646 or ISO 639-2 language code format.
|
|
|
|
@param ControllerName[out] A pointer to the Unicode string to return.
|
|
This Unicode string is the name of the
|
|
controller specified by ControllerHandle and
|
|
ChildHandle in the language specified by
|
|
Language from the point of view of the driver
|
|
specified by This.
|
|
|
|
@retval EFI_SUCCESS The Unicode string for the user readable name in
|
|
the language specified by Language for the
|
|
driver specified by This was returned in
|
|
DriverName.
|
|
|
|
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
|
|
|
|
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
|
|
EFI_HANDLE.
|
|
|
|
@retval EFI_INVALID_PARAMETER Language is NULL.
|
|
|
|
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
|
|
|
|
@retval EFI_UNSUPPORTED The driver specified by This is not currently
|
|
managing the controller specified by
|
|
ControllerHandle and ChildHandle.
|
|
|
|
@retval EFI_UNSUPPORTED The driver specified by This does not support
|
|
the language specified by Language.
|
|
|
|
**/
|
|
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
|
|
);
|
|
|
|
|
|
/**
|
|
Create a child handle for a logical block device that represents the
|
|
bytes Start to End of the Parent Block IO device.
|
|
|
|
@param[in] This Protocol instance pointer
|
|
@param[in] ParentHandle Parent Handle for new child
|
|
@param[in] ParentDiskIo Parent DiskIo interface
|
|
@param[in] ParentBlockIo Parent BlockIo interface
|
|
@param[in] ParentDevicePath Parent Device Path
|
|
@param[in] DevicePathNode Child Device Path node
|
|
@param[in] Start Start Block
|
|
@param[in] End End Block
|
|
@param[in] BlockSize Child block size
|
|
@param[in] InstallEspGuid Flag to install EFI System Partition GUID on handle
|
|
|
|
@retval EFI_SUCCESS A child handle was added
|
|
@retval other A child handle was not added
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PartitionInstallChildHandle (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ParentHandle,
|
|
IN EFI_DISK_IO_PROTOCOL *ParentDiskIo,
|
|
IN EFI_BLOCK_IO_PROTOCOL *ParentBlockIo,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePathNode,
|
|
IN EFI_LBA Start,
|
|
IN EFI_LBA End,
|
|
IN UINT32 BlockSize,
|
|
IN BOOLEAN InstallEspGuid
|
|
);
|
|
|
|
/**
|
|
Install child handles if the Handle supports GPT partition structure.
|
|
|
|
@param[in] This - Calling context.
|
|
@param[in] Handle - Parent Handle
|
|
@param[in] DiskIo - Parent DiskIo interface
|
|
@param[in] BlockIo - Parent BlockIo interface
|
|
@param[in] DevicePath - Parent Device Path
|
|
|
|
@retval EFI_SUCCESS Valid GPT disk
|
|
@retval EFI_MEDIA_CHANGED Media changed Detected
|
|
@retval other Not a valid GPT disk
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PartitionInstallGptChildHandles (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Handle,
|
|
IN EFI_DISK_IO_PROTOCOL *DiskIo,
|
|
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
|
);
|
|
|
|
/**
|
|
Install child handles if the Handle supports El Torito format.
|
|
|
|
@param[in] This Calling context.
|
|
@param[in] Handle Parent Handle
|
|
@param[in] DiskIo Parent DiskIo interface
|
|
@param[in] BlockIo Parent BlockIo interface
|
|
@param[in] DevicePath Parent Device Path
|
|
|
|
|
|
@retval EFI_SUCCESS Child handle(s) was added
|
|
@retval EFI_MEDIA_CHANGED Media changed Detected
|
|
@retval other no child handle was added
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PartitionInstallElToritoChildHandles (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Handle,
|
|
IN EFI_DISK_IO_PROTOCOL *DiskIo,
|
|
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
|
);
|
|
|
|
/**
|
|
Install child handles if the Handle supports MBR format.
|
|
|
|
@param This Calling context.
|
|
@param Handle Parent Handle.
|
|
@param DiskIo Parent DiskIo interface.
|
|
@param BlockIo Parent BlockIo interface.
|
|
@param DevicePath Parent Device Path.
|
|
|
|
@retval EFI_SUCCESS A child handle was added.
|
|
@retval EFI_MEDIA_CHANGED Media change was detected.
|
|
@retval Others MBR partition was not found.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PartitionInstallMbrChildHandles (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Handle,
|
|
IN EFI_DISK_IO_PROTOCOL *DiskIo,
|
|
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
|
|
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_BLOCK_IO_PROTOCOL *BlockIo,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
|
);
|
|
|
|
#endif
|