mirror of https://github.com/acidanthera/audk.git
Add doxygen style comments for functions in Partition & Disk IO modules.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5182 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
parent
1f4dfdd962
commit
a8d0c20e7a
|
@ -53,6 +53,19 @@ extern EFI_COMPONENT_NAME2_PROTOCOL gDiskIoComponentName2;
|
|||
// Prototypes
|
||||
// Driver model protocol interface
|
||||
//
|
||||
/**
|
||||
Test to see if this driver supports ControllerHandle.
|
||||
|
||||
@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
|
||||
DiskIoDriverBindingSupported (
|
||||
|
@ -61,6 +74,20 @@ DiskIoDriverBindingSupported (
|
|||
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
||||
);
|
||||
|
||||
/**
|
||||
Start this driver on ControllerHandle by opening a Block IO protocol and
|
||||
installing a Disk IO protocol on ControllerHandle.
|
||||
|
||||
@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
|
||||
DiskIoDriverBindingStart (
|
||||
|
@ -69,6 +96,20 @@ DiskIoDriverBindingStart (
|
|||
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
||||
);
|
||||
|
||||
/**
|
||||
Stop this driver on ControllerHandle by removing Disk IO protocol and closing
|
||||
the Block IO protocol on ControllerHandle.
|
||||
|
||||
@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
|
||||
DiskIoDriverBindingStop (
|
||||
|
@ -81,6 +122,29 @@ DiskIoDriverBindingStop (
|
|||
//
|
||||
// Disk I/O Protocol Interface
|
||||
//
|
||||
/**
|
||||
Read BufferSize bytes from Offset into Buffer.
|
||||
Reads may support reads that are not aligned on
|
||||
sector boundaries. There are three cases:
|
||||
UnderRun - The first byte is not on a sector boundary or the read request is
|
||||
less than a sector in length.
|
||||
Aligned - A read of N contiguous sectors.
|
||||
OverRun - The last byte is not on a sector boundary.
|
||||
|
||||
@param This Protocol instance pointer.
|
||||
@param MediaId Id of the media, changes every time the media is replaced.
|
||||
@param Offset The starting byte offset to read from
|
||||
@param BufferSize Size of Buffer
|
||||
@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_CHNAGED The MediaId does not matched the current device.
|
||||
@retval EFI_INVALID_PARAMETER The read request contains device addresses that are not
|
||||
valid for the device.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
DiskIoReadDisk (
|
||||
|
@ -91,6 +155,31 @@ DiskIoReadDisk (
|
|||
OUT VOID *Buffer
|
||||
);
|
||||
|
||||
/**
|
||||
Read BufferSize bytes from Offset into Buffer.
|
||||
Writes may require a read modify write to support writes that are not
|
||||
aligned on sector boundaries. There are three cases:
|
||||
UnderRun - The first byte is not on a sector boundary or the write request
|
||||
is less than a sector in length. Read modify write is required.
|
||||
Aligned - A write of N contiguous sectors.
|
||||
OverRun - The last byte is not on a sector boundary. Read modified write
|
||||
required.
|
||||
|
||||
@param This Protocol instance pointer.
|
||||
@param MediaId Id of the media, changes every time the media is replaced.
|
||||
@param Offset The starting byte offset to read from
|
||||
@param BufferSize Size of Buffer
|
||||
@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_INVALID_PARAMETER The write request contains device addresses that are not
|
||||
valid for the device.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
DiskIoWriteDisk (
|
||||
|
|
|
@ -17,6 +17,18 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|||
#include "Partition.h"
|
||||
|
||||
|
||||
/**
|
||||
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[out] 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,
|
||||
|
@ -26,6 +38,18 @@ PartitionValidGptTable (
|
|||
);
|
||||
|
||||
|
||||
/**
|
||||
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,
|
||||
|
@ -34,6 +58,18 @@ PartitionCheckGptEntryArrayCRC (
|
|||
);
|
||||
|
||||
|
||||
/**
|
||||
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,
|
||||
|
@ -42,6 +78,16 @@ PartitionRestoreGptTable (
|
|||
);
|
||||
|
||||
|
||||
/**
|
||||
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,
|
||||
|
@ -50,6 +96,17 @@ PartitionCheckGptEntry (
|
|||
);
|
||||
|
||||
|
||||
/**
|
||||
Checks the CRC32 value in the table header
|
||||
|
||||
@param MaxSize Max Size limit
|
||||
@param Size The size of the table
|
||||
@param Hdr Table to check
|
||||
|
||||
@return TRUE CRC Valid
|
||||
@return FALSE CRC Invalid
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
PartitionCheckCrcAltSize (
|
||||
IN UINTN MaxSize,
|
||||
|
@ -58,6 +115,16 @@ PartitionCheckCrcAltSize (
|
|||
);
|
||||
|
||||
|
||||
/**
|
||||
Checks the CRC32 value in the table header
|
||||
|
||||
@param MaxSize Max Size limit
|
||||
@param Hdr Table to check
|
||||
|
||||
@return TRUE CRC Valid
|
||||
@return FALSE CRC Invalid
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
PartitionCheckCrc (
|
||||
IN UINTN MaxSize,
|
||||
|
@ -65,6 +132,13 @@ PartitionCheckCrc (
|
|||
);
|
||||
|
||||
|
||||
/**
|
||||
Updates the CRC32 value in the table header
|
||||
|
||||
@param Size The size of the table
|
||||
@param Hdr Table to update
|
||||
|
||||
**/
|
||||
VOID
|
||||
PartitionSetCrcAltSize (
|
||||
IN UINTN Size,
|
||||
|
@ -72,6 +146,12 @@ PartitionSetCrcAltSize (
|
|||
);
|
||||
|
||||
|
||||
/**
|
||||
Updates the CRC32 value in the table header
|
||||
|
||||
@param Hdr Table to update
|
||||
|
||||
**/
|
||||
VOID
|
||||
PartitionSetCrc (
|
||||
IN OUT EFI_TABLE_HEADER *Hdr
|
||||
|
@ -325,7 +405,7 @@ Done:
|
|||
@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
|
||||
@param[out] PartHeader Stores the partition table that is read
|
||||
|
||||
@retval TRUE The partition table is valid
|
||||
@retval FALSE The partition table is not valid
|
||||
|
@ -546,6 +626,7 @@ Done:
|
|||
@param[in] PartEntry The partition entry array
|
||||
@param[out] PEntryStatus the partition entry status array
|
||||
recording the status of each partition
|
||||
|
||||
**/
|
||||
VOID
|
||||
PartitionCheckGptEntry (
|
||||
|
@ -602,7 +683,7 @@ PartitionCheckGptEntry (
|
|||
/**
|
||||
Updates the CRC32 value in the table header
|
||||
|
||||
@param[in,out] Hdr Table to update
|
||||
@param Hdr Table to update
|
||||
|
||||
**/
|
||||
VOID
|
||||
|
@ -617,8 +698,8 @@ PartitionSetCrc (
|
|||
/**
|
||||
Updates the CRC32 value in the table header
|
||||
|
||||
@param[in] Size The size of the table
|
||||
@param[in,out] Hdr Table to update
|
||||
@param Size The size of the table
|
||||
@param Hdr Table to update
|
||||
|
||||
**/
|
||||
VOID
|
||||
|
@ -639,11 +720,11 @@ PartitionSetCrcAltSize (
|
|||
/**
|
||||
Checks the CRC32 value in the table header
|
||||
|
||||
@param[in] MaxSize Max Size limit
|
||||
@param[in,out] Hdr Table to check
|
||||
@param MaxSize Max Size limit
|
||||
@param Hdr Table to check
|
||||
|
||||
@return TRUE CRC Valid
|
||||
@return FALSE CRC Invalid
|
||||
@return TRUE CRC Valid
|
||||
@return FALSE CRC Invalid
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
|
@ -659,9 +740,9 @@ PartitionCheckCrc (
|
|||
/**
|
||||
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
|
||||
@param MaxSize Max Size limit
|
||||
@param Size The size of the table
|
||||
@param Hdr Table to check
|
||||
|
||||
@return TRUE CRC Valid
|
||||
@return FALSE CRC Invalid
|
||||
|
|
|
@ -24,26 +24,22 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|||
|
||||
#include "Partition.h"
|
||||
|
||||
/**
|
||||
Test to see if the Mbr buffer is a valid MBR.
|
||||
|
||||
@param Mbr Parent Handle.
|
||||
@param LastLba Last Lba address on the device.
|
||||
|
||||
@retval TRUE Mbr is a Valid MBR.
|
||||
@retval FALSE Mbr is not a Valid MBR.
|
||||
|
||||
**/
|
||||
STATIC
|
||||
BOOLEAN
|
||||
PartitionValidMbr (
|
||||
IN MASTER_BOOT_RECORD *Mbr,
|
||||
IN EFI_LBA LastLba
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Test to see if the Mbr buffer is a valid MBR
|
||||
|
||||
Arguments:
|
||||
Mbr - Parent Handle
|
||||
LastLba - Last Lba address on the device.
|
||||
|
||||
Returns:
|
||||
TRUE - Mbr is a Valid MBR
|
||||
FALSE - Mbr is not a Valid MBR
|
||||
|
||||
--*/
|
||||
{
|
||||
UINT32 StartingLBA;
|
||||
UINT32 EndingLBA;
|
||||
|
@ -102,6 +98,21 @@ Returns:
|
|||
return MbrValid;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
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,
|
||||
|
@ -110,24 +121,6 @@ PartitionInstallMbrChildHandles (
|
|||
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
|
||||
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Install child handles if the Handle supports MBR format.
|
||||
|
||||
Arguments:
|
||||
This - Calling context.
|
||||
Handle - Parent Handle
|
||||
DiskIo - Parent DiskIo interface
|
||||
BlockIo - Parent BlockIo interface
|
||||
DevicePath - Parent Device Path
|
||||
|
||||
Returns:
|
||||
EFI_SUCCESS - If a child handle was added
|
||||
EFI_MEDIA_CHANGED - Media changed Detected
|
||||
!EFI_SUCCESS - Not found MBR partition.
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
MASTER_BOOT_RECORD *Mbr;
|
||||
|
|
|
@ -555,8 +555,7 @@ PartitionFlushBlocks (
|
|||
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] This Protocol instance pointer
|
||||
@param[in] ParentHandle Parent Handle for new child
|
||||
@param[in] ParentDiskIo Parent DiskIo interface
|
||||
@param[in] ParentBlockIo Parent BlockIo interface
|
||||
|
|
|
@ -88,6 +88,20 @@ extern EFI_COMPONENT_NAME2_PROTOCOL gPartitionComponentName2;
|
|||
//
|
||||
// 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 (
|
||||
|
@ -96,6 +110,21 @@ PartitionDriverBindingSupported (
|
|||
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 (
|
||||
|
@ -104,6 +133,20 @@ PartitionDriverBindingStart (
|
|||
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
||||
);
|
||||
|
||||
/**
|
||||
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 (
|
||||
|
@ -243,6 +286,25 @@ PartitionComponentNameGetControllerName (
|
|||
);
|
||||
|
||||
|
||||
/**
|
||||
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,
|
||||
|
@ -258,6 +320,20 @@ PartitionInstallChildHandle (
|
|||
)
|
||||
;
|
||||
|
||||
/**
|
||||
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,
|
||||
|
@ -268,6 +344,21 @@ PartitionInstallGptChildHandles (
|
|||
)
|
||||
;
|
||||
|
||||
/**
|
||||
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,
|
||||
|
@ -278,6 +369,20 @@ PartitionInstallElToritoChildHandles (
|
|||
)
|
||||
;
|
||||
|
||||
/**
|
||||
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,
|
||||
|
|
Loading…
Reference in New Issue