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pdated code per coding standard. Changed comments, converted all \ to / and removed the extra generated files by merging them into existing files.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2736 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
AJFISH
2007-06-26 00:32:26 +00:00
parent cf61682357
commit b9575d6030
18 changed files with 996 additions and 1063 deletions
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211
MdeModulePkg/Universal/Disk/Partition/Dxe/ComponentName.c
View File

@@ -1,26 +1,16 @@
/*++
/** @file
UEFI Component Name protocol for Partition driver.
Copyright (c) 2006 - 2007, Intel Corporation
All rights reserved. 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
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
ComponentName.c
Abstract:
--*/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
**/
#include "Partition.h"
@@ -44,6 +34,44 @@ static EFI_UNICODE_STRING_TABLE mPartitionDriverNameTable[] = {
}
};
/**
Retrieves a Unicode string that is the user readable name of
the EFI Driver.
@param This A pointer to the
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language 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 3066 language code
format.
@param DriverName 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 (
@@ -51,32 +79,6 @@ PartitionComponentNameGetDriverName (
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
/*++
Routine Description:
Retrieves a Unicode string that is the user readable name of the EFI Driver.
Arguments:
This - A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
Language - A pointer to a three character ISO 639-2 language identifier.
This is the language of the driver name that 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.
DriverName - 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.
Returns:
EFI_SUCCESS - The Unicode string for the Driver specified by This
and the language specified by Language was returned
in DriverName.
EFI_INVALID_PARAMETER - Language is NULL.
EFI_INVALID_PARAMETER - DriverName is NULL.
EFI_UNSUPPORTED - The driver specified by This does not support the
language specified by Language.
--*/
{
return LookupUnicodeString (
Language,
@@ -86,6 +88,77 @@ PartitionComponentNameGetDriverName (
);
}
/**
Retrieves a Unicode string that is the user readable name of
the controller that is being managed by an EFI Driver.
@param This A pointer to the
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle 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 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 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 3066 language code
format.
@param ControllerName 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 (
@@ -95,50 +168,6 @@ PartitionComponentNameGetControllerName (
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
/*++
Routine Description:
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by an EFI Driver.
Arguments:
This - A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
ControllerHandle - The handle of a controller that the driver specified by
This is managing. This handle specifies the controller
whose name is to be returned.
ChildHandle - 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.
Language - A pointer to a three character ISO 639-2 language
identifier. This is the language of the controller name
that 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.
ControllerName - 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.
Returns:
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.
EFI_INVALID_PARAMETER - ControllerHandle is not a valid EFI_HANDLE.
EFI_INVALID_PARAMETER - ChildHandle is not NULL and it is not a valid EFI_HANDLE.
EFI_INVALID_PARAMETER - Language is NULL.
EFI_INVALID_PARAMETER - ControllerName is NULL.
EFI_UNSUPPORTED - The driver specified by This is not currently managing
the controller specified by ControllerHandle and
ChildHandle.
EFI_UNSUPPORTED - The driver specified by This does not support the
language specified by Language.
--*/
{
return EFI_UNSUPPORTED;
}

67
MdeModulePkg/Universal/Disk/Partition/Dxe/ElTorito.c
View File

@@ -1,33 +1,36 @@
/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
Module Name:
ElTorito.c
Abstract:
/** @file
Decode an El Torito formatted CD-ROM
Revision History
Copyright (c) 2006 - 2007, Intel Corporation
All rights reserved. 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.
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#include "Partition.h"
/**
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,
@@ -36,24 +39,6 @@ PartitionInstallElToritoChildHandles (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
/*++
Routine Description:
Install child handles if the Handle supports El Torito format.
Arguments:
This - Calling context.
Handle - Parent Handle
DiskIo - Parent DiskIo interface
BlockIo - Parent BlockIo interface
DevicePath - Parent Device Path
Returns:
EFI_SUCCESS - some child handle(s) was added
EFI_MEDIA_CHANGED - Media changed Detected
!EFI_SUCCESS - no child handle was added
--*/
{
EFI_STATUS Status;
UINT32 VolDescriptorLba;

310
MdeModulePkg/Universal/Disk/Partition/Dxe/Gpt.c
View File

@@ -1,33 +1,22 @@
/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
Module Name:
Gpt.c
Abstract:
/** @file
Decode a hard disk partitioned with the GPT scheme in the EFI 1.0
specification.
--*/
Copyright (c) 2006 - 2007, Intel Corporation
All rights reserved. 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.
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#include "Partition.h"
STATIC
BOOLEAN
PartitionValidGptTable (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
@@ -36,7 +25,7 @@ PartitionValidGptTable (
OUT EFI_PARTITION_TABLE_HEADER *PartHeader
);
STATIC
BOOLEAN
PartitionCheckGptEntryArrayCRC (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
@@ -44,7 +33,7 @@ PartitionCheckGptEntryArrayCRC (
IN EFI_PARTITION_TABLE_HEADER *PartHeader
);
STATIC
BOOLEAN
PartitionRestoreGptTable (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
@@ -52,7 +41,7 @@ PartitionRestoreGptTable (
IN EFI_PARTITION_TABLE_HEADER *PartHeader
);
STATIC
VOID
PartitionCheckGptEntry (
IN EFI_PARTITION_TABLE_HEADER *PartHeader,
@@ -60,7 +49,7 @@ PartitionCheckGptEntry (
OUT EFI_PARTITION_ENTRY_STATUS *PEntryStatus
);
STATIC
BOOLEAN
PartitionCheckCrcAltSize (
IN UINTN MaxSize,
@@ -68,26 +57,40 @@ PartitionCheckCrcAltSize (
IN OUT EFI_TABLE_HEADER *Hdr
);
STATIC
BOOLEAN
PartitionCheckCrc (
IN UINTN MaxSize,
IN OUT EFI_TABLE_HEADER *Hdr
);
STATIC
VOID
PartitionSetCrcAltSize (
IN UINTN Size,
IN OUT EFI_TABLE_HEADER *Hdr
);
STATIC
VOID
PartitionSetCrc (
IN OUT EFI_TABLE_HEADER *Hdr
);
/**
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,
@@ -96,24 +99,6 @@ PartitionInstallGptChildHandles (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
/*++
Routine Description:
Install child handles if the Handle supports GPT partition structure.
Arguments:
This - Calling context.
Handle - Parent Handle
DiskIo - Parent DiskIo interface
BlockIo - Parent BlockIo interface
DevicePath - Parent Device Path
Returns:
EFI_SUCCESS - Valid GPT disk
EFI_MEDIA_CHANGED - Media changed Detected
!EFI_SUCCESS - Not a valid GPT disk
--*/
{
EFI_STATUS Status;
UINT32 BlockSize;
@@ -333,7 +318,19 @@ Done:
return GptValid;
}
STATIC
/**
Install child handles if the Handle supports GPT partition structure.
@param[in] BlockIo Parent BlockIo interface
@param[in] DiskIo Disk Io protocol.
@param[in] Lba The starting Lba of the Partition Table
@param[in] PartHeader Stores the partition table that is read
@retval TRUE The partition table is valid
@retval FALSE The partition table is not valid
**/
BOOLEAN
PartitionValidGptTable (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
@@ -341,22 +338,6 @@ PartitionValidGptTable (
IN EFI_LBA Lba,
OUT EFI_PARTITION_TABLE_HEADER *PartHeader
)
/*++
Routine Description:
Check if the GPT partition table is valid
Arguments:
BlockIo - Parent BlockIo interface
DiskIo - Disk Io protocol.
Lba - The starting Lba of the Partition Table
PartHeader - Stores the partition table that is read
Returns:
TRUE - The partition table is valid
FALSE - The partition table is not valid
--*/
{
EFI_STATUS Status;
UINT32 BlockSize;
@@ -405,32 +386,25 @@ Returns:
return TRUE;
}
STATIC
/**
Check if the CRC field in the Partition table header is valid
for Partition entry array.
@param[in] BlockIo Parent BlockIo interface
@param[in] DiskIo Disk Io Protocol.
@param[in] PartHeader Partition table header structure
@retval TRUE the CRC is valid
@retval FALSE the CRC is invalid
**/
BOOLEAN
PartitionCheckGptEntryArrayCRC (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_PARTITION_TABLE_HEADER *PartHeader
)
/*++
Routine Description:
Check if the CRC field in the Partition table header is valid
for Partition entry array
Arguments:
BlockIo - parent BlockIo interface
DiskIo - Disk Io Protocol.
PartHeader - Partition table header structure
Returns:
TRUE - the CRC is valid
FALSE - the CRC is invalid
--*/
{
EFI_STATUS Status;
UINT8 *Ptr;
@@ -472,32 +446,25 @@ Returns:
return (BOOLEAN) (PartHeader->PartitionEntryArrayCRC32 == Crc);
}
STATIC
/**
Restore Partition Table to its alternate place
(Primary -> Backup or Backup -> Primary)
@param[in] BlockIo Parent BlockIo interface
@param[in] DiskIo Disk Io Protocol.
@param[in] PartHeader Partition table header structure
@retval TRUE Restoring succeeds
@retval FALSE Restoring failed
**/
BOOLEAN
PartitionRestoreGptTable (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_PARTITION_TABLE_HEADER *PartHeader
)
/*++
Routine Description:
Restore Partition Table to its alternate place
(Primary -> Backup or Backup -> Primary)
Arguments:
BlockIo - parent BlockIo interface
DiskIo - Disk Io Protocol.
PartHeader - the source Partition table header structure
Returns:
TRUE - Restoring succeeds
FALSE - Restoring failed
--*/
{
EFI_STATUS Status;
UINTN BlockSize;
@@ -570,30 +537,22 @@ Done:
return TRUE;
}
STATIC
/**
Restore Partition Table to its alternate place
(Primary -> Backup or Backup -> Primary)
@param[in] PartHeader Partition table header structure
@param[in] PartEntry The partition entry array
@param[out] PEntryStatus the partition entry status array
recording the status of each partition
**/
VOID
PartitionCheckGptEntry (
IN EFI_PARTITION_TABLE_HEADER *PartHeader,
IN EFI_PARTITION_ENTRY *PartEntry,
OUT EFI_PARTITION_ENTRY_STATUS *PEntryStatus
)
/*++
Routine Description:
Check each partition entry for its range
Arguments:
PartHeader - the partition table header
PartEntry - the partition entry array
PEntryStatus - the partition entry status array recording the status of
each partition
Returns:
VOID
--*/
{
EFI_LBA StartingLBA;
EFI_LBA EndingLBA;
@@ -639,52 +598,35 @@ Returns:
DEBUG ((EFI_D_INFO, " End check partition entries\n"));
}
STATIC
/**
Updates the CRC32 value in the table header
@param[in,out] Hdr Table to update
**/
VOID
PartitionSetCrc (
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Updates the CRC32 value in the table header
Arguments:
Hdr - The table to update
Returns:
None
--*/
{
PartitionSetCrcAltSize (Hdr->HeaderSize, Hdr);
}
STATIC
/**
Updates the CRC32 value in the table header
@param[in] Size The size of the table
@param[in,out] Hdr Table to update
**/
VOID
PartitionSetCrcAltSize (
IN UINTN Size,
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Updates the CRC32 value in the table header
Arguments:
Size - The size of the table
Hdr - The table to update
Returns:
None
--*/
{
UINT32 Crc;
@@ -693,56 +635,44 @@ Returns:
Hdr->CRC32 = Crc;
}
STATIC
/**
Checks the CRC32 value in the table header
@param[in] MaxSize Max Size limit
@param[in,out] Hdr Table to check
@return TRUE CRC Valid
@return FALSE CRC Invalid
**/
BOOLEAN
PartitionCheckCrc (
IN UINTN MaxSize,
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Checks the CRC32 value in the table header
Arguments:
MaxSize - Max Size limit
Hdr - The table to check
Returns:
TRUE if the CRC is OK in the table
--*/
{
return PartitionCheckCrcAltSize (MaxSize, Hdr->HeaderSize, Hdr);
}
STATIC
/**
Checks the CRC32 value in the table header
@param[in] MaxSize Max Size limit
@param[in] Size The size of the table
@param[in,out] Hdr Table to check
@return TRUE CRC Valid
@return FALSE CRC Invalid
**/
BOOLEAN
PartitionCheckCrcAltSize (
IN UINTN MaxSize,
IN UINTN Size,
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Checks the CRC32 value in the table header
Arguments:
MaxSize - Max Size Limit
Size - The size of the table
Hdr - The table to check
Returns:
TRUE if the CRC is OK in the table
--*/
{
UINT32 Crc;
UINT32 OrgCrc;

5
MdeModulePkg/Universal/Disk/Partition/Dxe/Mbr.c
View File

@@ -29,11 +29,6 @@ Abstract:
--*/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#include "Partition.h"
STATIC

356
MdeModulePkg/Universal/Disk/Partition/Dxe/Partition.c
View File

@@ -1,31 +1,20 @@
/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
Module Name:
Partition.c
Abstract:
/** @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 - 2007, Intel Corporation
All rights reserved. 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.
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#include "Partition.h"
@@ -50,6 +39,21 @@ PARTITION_DETECT_ROUTINE mPartitionDetectRoutineTable[] = {
};
/**
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 (
@@ -57,23 +61,6 @@ PartitionDriverBindingSupported (
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Test to see if this driver supports ControllerHandle. Any ControllerHandle
than contains a BlockIo and DiskIo protocol can be supported.
Arguments:
This - Protocol instance pointer.
ControllerHandle - Handle of device to test
RemainingDevicePath - Not used
Returns:
EFI_SUCCESS - This driver supports this device
EFI_ALREADY_STARTED - This driver is already running on this device
EFI_UNSUPPORTED - This driver does not support this device
--*/
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
@@ -160,6 +147,22 @@ PartitionDriverBindingSupported (
return Status;
}
/**
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 (
@@ -167,24 +170,6 @@ PartitionDriverBindingStart (
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
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.
Arguments:
This - Protocol instance pointer.
ControllerHandle - Handle of device to bind driver to
RemainingDevicePath - Not used
Returns:
EFI_SUCCESS - This driver is added to DeviceHandle
EFI_ALREADY_STARTED - This driver is already running on DeviceHandle
other - This driver does not support this device
--*/
{
EFI_STATUS Status;
EFI_STATUS OpenStatus;
@@ -289,6 +274,21 @@ PartitionDriverBindingStart (
return Status;
}
/**
Stop this driver on ControllerHandle. Support stoping 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 (
@@ -297,23 +297,6 @@ PartitionDriverBindingStop (
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
/*++
Routine Description:
Stop this driver on ControllerHandle. Support stoping any child handles
created by this driver.
Arguments:
This - Protocol instance pointer.
ControllerHandle - Handle of device to stop driver on
NumberOfChildren - Number of Children in the ChildHandleBuffer
ChildHandleBuffer - List of handles for the children we need to stop.
Returns:
EFI_SUCCESS - This driver is removed DeviceHandle
EFI_DEVICE_ERROR - This driver was not removed from this device
--*/
{
EFI_STATUS Status;
UINTN Index;
@@ -407,6 +390,18 @@ PartitionDriverBindingStop (
return EFI_SUCCESS;
}
/**
Reset the Block Device.
@param This Protocol instance pointer.
@param ExtendedVerification Driver may perform diagnostics on reset.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning properly and could
not be reset.
**/
STATIC
EFI_STATUS
EFIAPI
@@ -414,21 +409,6 @@ PartitionReset (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
/*++
Routine Description:
Reset the parent Block Device.
Arguments:
This - Protocol instance pointer.
ExtendedVerification - Driver may perform diagnostics on reset.
Returns:
EFI_SUCCESS - The device was reset.
EFI_DEVICE_ERROR - The device is not functioning properly and could
not be reset.
--*/
{
PARTITION_PRIVATE_DATA *Private;
@@ -440,6 +420,26 @@ PartitionReset (
);
}
/**
Read by using the Disk IO protocol on the parent device. Lba addresses
must be converted to byte offsets.
@param This Protocol instance pointer.
@param MediaId Id of the media, changes every time the media is replaced.
@param Lba The starting Logical Block Address to read from
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param Buffer Buffer containing read data
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_DEVICE_ERROR The device reported an error while performing the read.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
@retval EFI_INVALID_PARAMETER The read request contains device addresses that are not
valid for the device.
**/
STATIC
EFI_STATUS
EFIAPI
@@ -450,30 +450,6 @@ PartitionReadBlocks (
IN UINTN BufferSize,
OUT VOID *Buffer
)
/*++
Routine Description:
Read by using the Disk IO protocol on the parent device. Lba addresses
must be converted to byte offsets.
Arguments:
This - Protocol instance pointer.
MediaId - Id of the media, changes every time the media is replaced.
Lba - The starting Logical Block Address to read from
BufferSize - Size of Buffer, must be a multiple of device block size.
Buffer - Buffer containing read data
Returns:
EFI_SUCCESS - The data was read correctly from the device.
EFI_DEVICE_ERROR - The device reported an error while performing the read.
EFI_NO_MEDIA - There is no media in the device.
EFI_MEDIA_CHANGED - The MediaId does not matched the current device.
EFI_BAD_BUFFER_SIZE - The Buffer was not a multiple of the block size of the
device.
EFI_INVALID_PARAMETER - The read request contains device addresses that are not
valid for the device.
--*/
{
PARTITION_PRIVATE_DATA *Private;
UINT64 Offset;
@@ -496,6 +472,26 @@ PartitionReadBlocks (
return Private->DiskIo->ReadDisk (Private->DiskIo, MediaId, Offset, BufferSize, Buffer);
}
/**
Write by using the Disk IO protocol on the parent device. Lba addresses
must be converted to byte offsets.
@param This Protocol instance pointer.
@param MediaId Id of the media, changes every time the media is replaced.
@param Lba The starting Logical Block Address to read from
@param BufferSize Size of Buffer, must be a multiple of device block size.
@param Buffer Buffer containing read data
@retval EFI_SUCCESS The data was written correctly to the device.
@retval EFI_WRITE_PROTECTED The device can not be written to.
@retval EFI_DEVICE_ERROR The device reported an error while performing the write.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
@retval EFI_INVALID_PARAMETER The write request contains a LBA that is not
valid for the device.
**/
STATIC
EFI_STATUS
EFIAPI
@@ -506,31 +502,6 @@ PartitionWriteBlocks (
IN UINTN BufferSize,
OUT VOID *Buffer
)
/*++
Routine Description:
Write by using the Disk IO protocol on the parent device. Lba addresses
must be converted to byte offsets.
Arguments:
This - Protocol instance pointer.
MediaId - Id of the media, changes every time the media is replaced.
Lba - The starting Logical Block Address to read from
BufferSize - Size of Buffer, must be a multiple of device block size.
Buffer - Buffer containing read data
Returns:
EFI_SUCCESS - The data was written correctly to the device.
EFI_WRITE_PROTECTED - The device can not be written to.
EFI_DEVICE_ERROR - The device reported an error while performing the write.
EFI_NO_MEDIA - There is no media in the device.
EFI_MEDIA_CHNAGED - The MediaId does not matched the current device.
EFI_BAD_BUFFER_SIZE - The Buffer was not a multiple of the block size of the
device.
EFI_INVALID_PARAMETER - The write request contains a LBA that is not
valid for the device.
--*/
{
PARTITION_PRIVATE_DATA *Private;
UINT64 Offset;
@@ -553,26 +524,23 @@ PartitionWriteBlocks (
return Private->DiskIo->WriteDisk (Private->DiskIo, MediaId, Offset, BufferSize, Buffer);
}
/**
Flush the parent Block Device.
@param This Protocol instance pointer.
@retval EFI_SUCCESS All outstanding data was written to the device
@retval EFI_DEVICE_ERROR The device reported an error while writting back the data
@retval EFI_NO_MEDIA There is no media in the device.
**/
STATIC
EFI_STATUS
EFIAPI
PartitionFlushBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This
)
/*++
Routine Description:
Flush the parent Block Device.
Arguments:
This - Protocol instance pointer.
Returns:
EFI_SUCCESS - All outstanding data was written to the device
EFI_DEVICE_ERROR - The device reported an error while writing back the data
EFI_NO_MEDIA - There is no media in the device.
--*/
{
PARTITION_PRIVATE_DATA *Private;
@@ -581,6 +549,28 @@ PartitionFlushBlocks (
return Private->ParentBlockIo->FlushBlocks (Private->ParentBlockIo);
}
/**
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] This Calling context.
@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,
@@ -594,29 +584,6 @@ PartitionInstallChildHandle (
IN UINT32 BlockSize,
IN BOOLEAN InstallEspGuid
)
/*++
Routine Description:
Create a child handle for a logical block device that represents the
bytes Start to End of the Parent Block IO device.
Arguments:
This - Calling context.
ParentHandle - Parent Handle for new child
ParentDiskIo - Parent DiskIo interface
ParentBlockIo - Parent BlockIo interface
ParentDevicePath - Parent Device Path
DevicePathNode - Child Device Path node
Start - Start Block
End - End Block
BlockSize - Child block size
InstallEspGuid - Flag to install EFI System Partition GUID on handle
Returns:
EFI_SUCCESS - If a child handle was added
EFI_OUT_OF_RESOURCES - A child handle was not added
--*/
{
EFI_STATUS Status;
PARTITION_PRIVATE_DATA *Private;
@@ -704,3 +671,42 @@ Returns:
return Status;
}
/**
The user Entry Point for module Partition. The user code starts with this function.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
InitializePartition (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Install driver model protocol(s).
//
Status = EfiLibInstallAllDriverProtocols (
ImageHandle,
SystemTable,
&gPartitionDriverBinding,
ImageHandle,
&gPartitionComponentName,
NULL,
NULL
);
ASSERT_EFI_ERROR (Status);
return Status;
}

53
MdeModulePkg/Universal/Disk/Partition/Dxe/Partition.h
View File

@@ -1,36 +1,42 @@
/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
Module Name:
Partition.h
Abstract:
/** @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.
Revision History
Copyright (c) 2006 - 2007, Intel Corporation
All rights reserved. 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 common header file for this module.
// Driver Binding Externs
//
#include "CommonHeader.h"
extern EFI_DRIVER_BINDING_PROTOCOL gPartitionDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gPartitionComponentName;
#include <IndustryStandard/Mbr.h>
#include <IndustryStandard/ElTorito.h>
@@ -186,4 +192,3 @@ EFI_STATUS
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
);
#endif

7
MdeModulePkg/Universal/Disk/Partition/Dxe/Partition.inf
View File

@@ -5,12 +5,13 @@
# that represents the bytes Start to End of the Parent Block IO
# device (one partition of physical BlockIo device,
# which can be one of GPT, MBR, ElTorito partition).
# Copyright (c) 2006 - 2007, Intel Corporation
#
# Copyright (c) 2006 - 2007, Intel Corporation
# All rights reserved. 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.
#
@@ -55,8 +56,6 @@
ElTorito.c
Partition.c
Partition.h
CommonHeader.h
EntryPoint.c
################################################################################
@@ -67,7 +66,7 @@
################################################################################
[Includes]
$(WORKSPACE)/MdePkg\Include/Library
$(WORKSPACE)/MdePkg/Include/Library
################################################################################
#