mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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476 lines
18 KiB
C
476 lines
18 KiB
C
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/** @file
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Partition driver that produces logical BlockIo devices from a physical
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BlockIo device. The logical BlockIo devices are based on the format
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of the raw block devices media. Currently "El Torito CD-ROM", Legacy
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MBR, and GPT partition schemes are supported.
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _PARTITION_H_
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#define _PARTITION_H_
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#include <Uefi.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/BlockIo2.h>
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#include <Guid/Gpt.h>
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#include <Protocol/ComponentName.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/DriverBinding.h>
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#include <Protocol/DiskIo.h>
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#include <Protocol/DiskIo2.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DevicePathLib.h>
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#include <IndustryStandard/Mbr.h>
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#include <IndustryStandard/ElTorito.h>
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#include <Protocol/MsgLog.h>
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#include <Library/PrintLib.h>
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extern CHAR8 *msgCursor;
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extern MESSAGE_LOG_PROTOCOL *Msg;
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//
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// Partition private data
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//
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#define PARTITION_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('P', 'a', 'r', 't')
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typedef struct {
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UINT64 Signature;
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EFI_HANDLE Handle;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_BLOCK_IO_PROTOCOL BlockIo;
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EFI_BLOCK_IO2_PROTOCOL BlockIo2;
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EFI_BLOCK_IO_MEDIA Media;
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EFI_BLOCK_IO_MEDIA Media2;//For BlockIO2
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EFI_DISK_IO_PROTOCOL *DiskIo;
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EFI_DISK_IO2_PROTOCOL *DiskIo2;
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EFI_BLOCK_IO_PROTOCOL *ParentBlockIo;
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EFI_BLOCK_IO2_PROTOCOL *ParentBlockIo2;
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UINT64 Start;
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UINT64 End;
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UINT32 BlockSize;
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EFI_GUID *EspGuid;
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} PARTITION_PRIVATE_DATA;
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typedef struct {
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EFI_DISK_IO2_TOKEN DiskIo2Token;
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EFI_BLOCK_IO2_TOKEN *BlockIo2Token;
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} PARTITION_ACCESS_TASK;
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#define PARTITION_DEVICE_FROM_BLOCK_IO_THIS(a) CR (a, PARTITION_PRIVATE_DATA, BlockIo, PARTITION_PRIVATE_DATA_SIGNATURE)
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#define PARTITION_DEVICE_FROM_BLOCK_IO2_THIS(a) CR (a, PARTITION_PRIVATE_DATA, BlockIo2, PARTITION_PRIVATE_DATA_SIGNATURE)
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gPartitionDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gPartitionComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gPartitionComponentName2;
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//
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// Extract INT32 from char array
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//
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#define UNPACK_INT32(a) (INT32)( (((UINT8 *) a)[0] << 0) | \
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(((UINT8 *) a)[1] << 8) | \
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(((UINT8 *) a)[2] << 16) | \
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(((UINT8 *) a)[3] << 24) )
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//
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// Extract UINT32 from char array
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//
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#define UNPACK_UINT32(a) (UINT32)( (((UINT8 *) a)[0] << 0) | \
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(((UINT8 *) a)[1] << 8) | \
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(((UINT8 *) a)[2] << 16) | \
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(((UINT8 *) a)[3] << 24) )
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//
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// GPT Partition Entry Status
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//
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typedef struct {
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BOOLEAN OutOfRange;
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BOOLEAN Overlap;
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BOOLEAN OsSpecific;
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} EFI_PARTITION_ENTRY_STATUS;
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//
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// Function Prototypes
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//
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/**
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Test to see if this driver supports ControllerHandle. Any ControllerHandle
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than contains a BlockIo and DiskIo protocol can be supported.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to test
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver supports this device
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@retval EFI_ALREADY_STARTED This driver is already running on this device
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PartitionDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Start this driver on ControllerHandle by opening a Block IO and Disk IO
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protocol, reading Device Path, and creating a child handle with a
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Disk IO and device path protocol.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to bind driver to
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver is added to ControllerHandle
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@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PartitionDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop this driver on ControllerHandle. Support stopping any child handles
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created by this driver.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed ControllerHandle
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@retval other This driver was not removed from this device
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**/
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EFI_STATUS
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EFIAPI
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PartitionDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// EFI Component Name Functions
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//
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/**
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Retrieves a Unicode string that is the user readable name of the driver.
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This function retrieves the user readable name of a driver in the form of a
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Unicode string. If the driver specified by This has a user readable name in
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the language specified by Language, then a pointer to the driver name is
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returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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by This does not support the language specified by Language,
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then EFI_UNSUPPORTED is returned.
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@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language[in] A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified
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in RFC 4646 or ISO 639-2 language code format.
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@param DriverName[out] A pointer to the Unicode string to return.
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This Unicode string is the name of the
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driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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PartitionComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by a driver.
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This function retrieves the user readable name of the controller specified by
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ControllerHandle and ChildHandle in the form of a Unicode string. If the
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driver specified by This has a user readable name in the language specified by
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Language, then a pointer to the controller name is returned in ControllerName,
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and EFI_SUCCESS is returned. If the driver specified by This is not currently
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managing the controller specified by ControllerHandle and ChildHandle,
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then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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support the language specified by Language, then EFI_UNSUPPORTED is returned.
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@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle[in] The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param ChildHandle[in] The handle of the child controller to retrieve
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the name of. This is an optional parameter that
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may be NULL. It will be NULL for device
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drivers. It will also be NULL for a bus drivers
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that wish to retrieve the name of the bus
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controller. It will not be NULL for a bus
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driver that wishes to retrieve the name of a
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child controller.
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@param Language[in] A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified in
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RFC 4646 or ISO 639-2 language code format.
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@param ControllerName[out] A pointer to the Unicode string to return.
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This Unicode string is the name of the
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controller specified by ControllerHandle and
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ChildHandle in the language specified by
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Language from the point of view of the driver
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specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name in
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the language specified by Language for the
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driver specified by This was returned in
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DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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PartitionComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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/**
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Create a child handle for a logical block device that represents the
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bytes Start to End of the Parent Block IO device.
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@param[in] This Protocol instance pointer.
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@param[in] ParentHandle Parent Handle for new child.
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@param[in] ParentDiskIo Parent DiskIo interface.
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@param[in] ParentDiskIo2 Parent DiskIo2 interface.
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@param[in] ParentBlockIo Parent BlockIo interface.
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@param[in] ParentBlockIo2 Parent BlockIo2 interface.
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@param[in] ParentDevicePath Parent Device Path.
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@param[in] DevicePathNode Child Device Path node.
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@param[in] Start Start Block.
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@param[in] End End Block.
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@param[in] BlockSize Child block size.
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@param[in] InstallEspGuid Flag to install EFI System Partition GUID on handle.
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@retval EFI_SUCCESS A child handle was added.
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@retval other A child handle was not added.
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**/
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EFI_STATUS
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PartitionInstallChildHandle (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ParentHandle,
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IN EFI_DISK_IO_PROTOCOL *ParentDiskIo,
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IN EFI_DISK_IO2_PROTOCOL *ParentDiskIo2,
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IN EFI_BLOCK_IO_PROTOCOL *ParentBlockIo,
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IN EFI_BLOCK_IO2_PROTOCOL *ParentBlockIo2,
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IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePathNode,
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IN EFI_LBA Start,
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IN EFI_LBA End,
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IN UINT32 BlockSize,
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IN BOOLEAN InstallEspGuid
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);
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/**
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Install child handles if the Handle supports GPT partition structure.
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@param[in] This Calling context.
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@param[in] Handle Parent Handle.
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@param[in] DiskIo Parent DiskIo interface.
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@param[in] DiskIo2 Parent DiskIo2 interface.
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@param[in] BlockIo Parent BlockIo interface.
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@param[in] BlockIo2 Parent BlockIo2 interface.
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@param[in] DevicePath Parent Device Path.
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@retval EFI_SUCCESS Valid GPT disk.
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@retval EFI_MEDIA_CHANGED Media changed Detected.
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@retval EFI_INVALID_PARAMETER If both BlockIo and BlockIo2 are NULL;
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@retval other Not a valid GPT disk.
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||
|
|
**/
|
||
|
|
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
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
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] DiskIo2 Parent DiskIo2 interface.
|
||
|
|
@param[in] BlockIo Parent BlockIo interface.
|
||
|
|
@param[in] BlockIo2 Parent BlockIo2 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_DISK_IO2_PROTOCOL *DiskIo2,
|
||
|
|
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
|
||
|
|
IN EFI_BLOCK_IO2_PROTOCOL *BlockIo2,
|
||
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Install child handles if the Handle supports MBR format.
|
||
|
|
|
||
|
|
@param[in] This Calling context.
|
||
|
|
@param[in] Handle Parent Handle.
|
||
|
|
@param[in] DiskIo Parent DiskIo interface.
|
||
|
|
@param[in] DiskIo2 Parent DiskIo2 interface.
|
||
|
|
@param[in] BlockIo Parent BlockIo interface.
|
||
|
|
@param[in] BlockIo2 Parent BlockIo2 interface.
|
||
|
|
@param[in] 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_DISK_IO2_PROTOCOL *DiskIo2,
|
||
|
|
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
|
||
|
|
IN EFI_BLOCK_IO2_PROTOCOL *BlockIo2,
|
||
|
|
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Install child handles if the Handle supports Apple 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
|
||
|
|
PartitionInstallAppleChildHandles (
|
||
|
|
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
|