+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2006, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-Module Name:\r
-\r
- Partition.c\r
-\r
-Abstract:\r
-\r
- Partition driver that produces logical BlockIo devices from a physical\r
- BlockIo device. The logical BlockIo devices are based on the format\r
- of the raw block devices media. Currently "El Torito CD-ROM", Legacy\r
- MBR, and GPT partition schemes are supported.\r
-\r
---*/\r
-\r
-#include "Partition.h"\r
-\r
-//\r
-// Partition Driver Global Variables\r
-//\r
-EFI_DRIVER_BINDING_PROTOCOL gPartitionDriverBinding = {\r
- PartitionDriverBindingSupported,\r
- PartitionDriverBindingStart,\r
- PartitionDriverBindingStop,\r
- 0xa,\r
- NULL,\r
- NULL\r
-};\r
-\r
-STATIC \r
-PARTITION_DETECT_ROUTINE mPartitionDetectRoutineTable[] = {\r
- PartitionInstallGptChildHandles,\r
- PartitionInstallElToritoChildHandles,\r
- PartitionInstallMbrChildHandles,\r
- NULL\r
-};\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-PartitionDriverBindingSupported (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- )\r
-/*++\r
-\r
- Routine Description:\r
- Test to see if this driver supports ControllerHandle. Any ControllerHandle\r
- than contains a BlockIo and DiskIo protocol can be supported.\r
-\r
- Arguments:\r
- This - Protocol instance pointer.\r
- ControllerHandle - Handle of device to test\r
- RemainingDevicePath - Not used\r
-\r
- Returns:\r
- EFI_SUCCESS - This driver supports this device\r
- EFI_ALREADY_STARTED - This driver is already running on this device\r
- EFI_UNSUPPORTED - This driver does not support this device\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
- EFI_DISK_IO_PROTOCOL *DiskIo;\r
- EFI_DEV_PATH *Node;\r
-\r
- if (RemainingDevicePath != NULL) {\r
- Node = (EFI_DEV_PATH *) RemainingDevicePath;\r
- if (Node->DevPath.Type != MEDIA_DEVICE_PATH ||\r
- Node->DevPath.SubType != MEDIA_HARDDRIVE_DP ||\r
- DevicePathNodeLength (&Node->DevPath) != sizeof (HARDDRIVE_DEVICE_PATH)\r
- ) {\r
- return EFI_UNSUPPORTED;\r
- }\r
- }\r
- //\r
- // Open the IO Abstraction(s) needed to perform the supported test\r
- //\r
- Status = gBS->OpenProtocol (\r
- ControllerHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath,\r
- This->DriverBindingHandle,\r
- ControllerHandle,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (Status == EFI_ALREADY_STARTED) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- //\r
- // Close the I/O Abstraction(s) used to perform the supported test\r
- //\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
-\r
- //\r
- // Open the IO Abstraction(s) needed to perform the supported test\r
- //\r
- Status = gBS->OpenProtocol (\r
- ControllerHandle,\r
- &gEfiDiskIoProtocolGuid,\r
- (VOID **) &DiskIo,\r
- This->DriverBindingHandle,\r
- ControllerHandle,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (Status == EFI_ALREADY_STARTED) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- //\r
- // Close the I/O Abstraction(s) used to perform the supported test\r
- //\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiDiskIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
-\r
- //\r
- // Open the IO Abstraction(s) needed to perform the supported test\r
- //\r
- Status = gBS->OpenProtocol (\r
- ControllerHandle,\r
- &gEfiBlockIoProtocolGuid,\r
- NULL,\r
- This->DriverBindingHandle,\r
- ControllerHandle,\r
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
- );\r
-\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-PartitionDriverBindingStart (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- )\r
-/*++\r
-\r
- Routine Description:\r
- Start this driver on ControllerHandle by opening a Block IO and Disk IO\r
- protocol, reading Device Path, and creating a child handle with a\r
- Disk IO and device path protocol.\r
-\r
- Arguments:\r
- This - Protocol instance pointer.\r
- ControllerHandle - Handle of device to bind driver to\r
- RemainingDevicePath - Not used\r
-\r
- Returns:\r
- EFI_SUCCESS - This driver is added to DeviceHandle\r
- EFI_ALREADY_STARTED - This driver is already running on DeviceHandle\r
- other - This driver does not support this device\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- EFI_STATUS OpenStatus;\r
- EFI_BLOCK_IO_PROTOCOL *BlockIo;\r
- EFI_DISK_IO_PROTOCOL *DiskIo;\r
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
- PARTITION_DETECT_ROUTINE *Routine;\r
-\r
- Status = gBS->OpenProtocol (\r
- ControllerHandle,\r
- &gEfiBlockIoProtocolGuid,\r
- (VOID **) &BlockIo,\r
- This->DriverBindingHandle,\r
- ControllerHandle,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- //\r
- // Get the Device Path Protocol on ControllerHandle's handle\r
- //\r
- Status = gBS->OpenProtocol (\r
- ControllerHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath,\r
- This->DriverBindingHandle,\r
- ControllerHandle,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r
- return Status;\r
- }\r
-\r
- Status = gBS->OpenProtocol (\r
- ControllerHandle,\r
- &gEfiDiskIoProtocolGuid,\r
- (VOID **) &DiskIo,\r
- This->DriverBindingHandle,\r
- ControllerHandle,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
- return Status;\r
- }\r
-\r
- OpenStatus = Status;\r
-\r
- //\r
- // If no media is present, do nothing here.\r
- //\r
- Status = EFI_UNSUPPORTED;\r
- if (BlockIo->Media->MediaPresent) {\r
- //\r
- // Try for GPT, then El Torito, and then legacy MBR partition types. If the\r
- // media supports a given partition type install child handles to represent\r
- // the partitions described by the media.\r
- //\r
- Routine = &mPartitionDetectRoutineTable[0];\r
- while (*Routine != NULL) {\r
- Status = (*Routine) (\r
- This,\r
- ControllerHandle,\r
- DiskIo,\r
- BlockIo,\r
- ParentDevicePath\r
- );\r
- if (!EFI_ERROR (Status) || Status == EFI_MEDIA_CHANGED) {\r
- break;\r
- }\r
- Routine++;\r
- }\r
- }\r
- //\r
- // In the case that the driver is already started (OpenStatus == EFI_ALREADY_STARTED),\r
- // the DevicePathProtocol and the DiskIoProtocol are not actually opened by the\r
- // driver. So don't try to close them. Otherwise, we will break the dependency\r
- // between the controller and the driver set up before.\r
- //\r
- if (EFI_ERROR (Status) && !EFI_ERROR (OpenStatus) && Status != EFI_MEDIA_CHANGED) {\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiDiskIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
-\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-PartitionDriverBindingStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE *ChildHandleBuffer\r
- )\r
-/*++\r
-\r
- Routine Description:\r
- Stop this driver on ControllerHandle. Support stoping any child handles\r
- created by this driver.\r
-\r
- Arguments:\r
- This - Protocol instance pointer.\r
- ControllerHandle - Handle of device to stop driver on\r
- NumberOfChildren - Number of Children in the ChildHandleBuffer\r
- ChildHandleBuffer - List of handles for the children we need to stop.\r
-\r
- Returns:\r
- EFI_SUCCESS - This driver is removed DeviceHandle\r
- EFI_DEVICE_ERROR - This driver was not removed from this device\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- UINTN Index;\r
- EFI_BLOCK_IO_PROTOCOL *BlockIo;\r
- BOOLEAN AllChildrenStopped;\r
- PARTITION_PRIVATE_DATA *Private;\r
- EFI_DISK_IO_PROTOCOL *DiskIo;\r
-\r
- if (NumberOfChildren == 0) {\r
- //\r
- // Close the bus driver\r
- //\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiDiskIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
-\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
-\r
- return EFI_SUCCESS;\r
- }\r
-\r
- AllChildrenStopped = TRUE;\r
- for (Index = 0; Index < NumberOfChildren; Index++) {\r
- Status = gBS->OpenProtocol (\r
- ChildHandleBuffer[Index],\r
- &gEfiBlockIoProtocolGuid,\r
- (VOID **) &BlockIo,\r
- This->DriverBindingHandle,\r
- ControllerHandle,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (!EFI_ERROR (Status)) {\r
-\r
- Private = PARTITION_DEVICE_FROM_BLOCK_IO_THIS (BlockIo);\r
-\r
- //\r
- // All Software protocols have be freed from the handle so remove it.\r
- //\r
- BlockIo->FlushBlocks (BlockIo);\r
-\r
- Status = gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiDiskIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- ChildHandleBuffer[Index]\r
- );\r
-\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- ChildHandleBuffer[Index],\r
- &gEfiDevicePathProtocolGuid,\r
- Private->DevicePath,\r
- &gEfiBlockIoProtocolGuid,\r
- &Private->BlockIo,\r
- Private->EspGuid,\r
- NULL,\r
- NULL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- gBS->OpenProtocol (\r
- ControllerHandle,\r
- &gEfiDiskIoProtocolGuid,\r
- (VOID **) &DiskIo,\r
- This->DriverBindingHandle,\r
- ChildHandleBuffer[Index],\r
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
- );\r
- } else {\r
- FreePool (Private->DevicePath);\r
- FreePool (Private);\r
- }\r
-\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- AllChildrenStopped = FALSE;\r
- }\r
- }\r
-\r
- if (!AllChildrenStopped) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-STATIC\r
-EFI_STATUS\r
-EFIAPI\r
-PartitionReset (\r
- IN EFI_BLOCK_IO_PROTOCOL *This,\r
- IN BOOLEAN ExtendedVerification\r
- )\r
-/*++\r
-\r
- Routine Description:\r
- Reset the parent Block Device.\r
-\r
- Arguments:\r
- This - Protocol instance pointer.\r
- ExtendedVerification - Driver may perform diagnostics on reset.\r
-\r
- Returns:\r
- EFI_SUCCESS - The device was reset.\r
- EFI_DEVICE_ERROR - The device is not functioning properly and could\r
- not be reset.\r
-\r
---*/\r
-{\r
- PARTITION_PRIVATE_DATA *Private;\r
-\r
- Private = PARTITION_DEVICE_FROM_BLOCK_IO_THIS (This);\r
-\r
- return Private->ParentBlockIo->Reset (\r
- Private->ParentBlockIo,\r
- ExtendedVerification\r
- );\r
-}\r
-\r
-STATIC\r
-EFI_STATUS\r
-EFIAPI\r
-PartitionReadBlocks (\r
- IN EFI_BLOCK_IO_PROTOCOL *This,\r
- IN UINT32 MediaId,\r
- IN EFI_LBA Lba,\r
- IN UINTN BufferSize,\r
- OUT VOID *Buffer\r
- )\r
-/*++\r
-\r
- Routine Description:\r
- Read by using the Disk IO protocol on the parent device. Lba addresses\r
- must be converted to byte offsets.\r
-\r
- Arguments:\r
- This - Protocol instance pointer.\r
- MediaId - Id of the media, changes every time the media is replaced.\r
- Lba - The starting Logical Block Address to read from\r
- BufferSize - Size of Buffer, must be a multiple of device block size.\r
- Buffer - Buffer containing read data\r
-\r
- Returns:\r
- EFI_SUCCESS - The data was read correctly from the device.\r
- EFI_DEVICE_ERROR - The device reported an error while performing the read.\r
- EFI_NO_MEDIA - There is no media in the device.\r
- EFI_MEDIA_CHANGED - The MediaId does not matched the current device.\r
- EFI_BAD_BUFFER_SIZE - The Buffer was not a multiple of the block size of the\r
- device.\r
- EFI_INVALID_PARAMETER - The read request contains device addresses that are not\r
- valid for the device.\r
-\r
---*/\r
-{\r
- PARTITION_PRIVATE_DATA *Private;\r
- UINT64 Offset;\r
-\r
- Private = PARTITION_DEVICE_FROM_BLOCK_IO_THIS (This);\r
-\r
- if (BufferSize % Private->BlockSize != 0) {\r
- return EFI_BAD_BUFFER_SIZE;\r
- }\r
-\r
- Offset = MultU64x32 (Lba, Private->BlockSize) + Private->Start;\r
- if (Offset + BufferSize > Private->End) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // Because some kinds of partition have different block size from their parent\r
- // device, we call the Disk IO protocol on the parent device, not the Block IO\r
- // protocol\r
- //\r
- return Private->DiskIo->ReadDisk (Private->DiskIo, MediaId, Offset, BufferSize, Buffer);\r
-}\r
-\r
-STATIC\r
-EFI_STATUS\r
-EFIAPI\r
-PartitionWriteBlocks (\r
- IN EFI_BLOCK_IO_PROTOCOL *This,\r
- IN UINT32 MediaId,\r
- IN EFI_LBA Lba,\r
- IN UINTN BufferSize,\r
- OUT VOID *Buffer\r
- )\r
-/*++\r
-\r
- Routine Description:\r
- Write by using the Disk IO protocol on the parent device. Lba addresses\r
- must be converted to byte offsets.\r
-\r
- Arguments:\r
- This - Protocol instance pointer.\r
- MediaId - Id of the media, changes every time the media is replaced.\r
- Lba - The starting Logical Block Address to read from\r
- BufferSize - Size of Buffer, must be a multiple of device block size.\r
- Buffer - Buffer containing read data\r
-\r
- Returns:\r
- EFI_SUCCESS - The data was written correctly to the device.\r
- EFI_WRITE_PROTECTED - The device can not be written to.\r
- EFI_DEVICE_ERROR - The device reported an error while performing the write.\r
- EFI_NO_MEDIA - There is no media in the device.\r
- EFI_MEDIA_CHNAGED - The MediaId does not matched the current device.\r
- EFI_BAD_BUFFER_SIZE - The Buffer was not a multiple of the block size of the\r
- device.\r
- EFI_INVALID_PARAMETER - The write request contains a LBA that is not\r
- valid for the device.\r
-\r
---*/\r
-{\r
- PARTITION_PRIVATE_DATA *Private;\r
- UINT64 Offset;\r
-\r
- Private = PARTITION_DEVICE_FROM_BLOCK_IO_THIS (This);\r
-\r
- if (BufferSize % Private->BlockSize != 0) {\r
- return EFI_BAD_BUFFER_SIZE;\r
- }\r
-\r
- Offset = MultU64x32 (Lba, Private->BlockSize) + Private->Start;\r
- if (Offset + BufferSize > Private->End) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // Because some kinds of partition have different block size from their parent\r
- // device, we call the Disk IO protocol on the parent device, not the Block IO\r
- // protocol\r
- //\r
- return Private->DiskIo->WriteDisk (Private->DiskIo, MediaId, Offset, BufferSize, Buffer);\r
-}\r
-\r
-STATIC\r
-EFI_STATUS\r
-EFIAPI\r
-PartitionFlushBlocks (\r
- IN EFI_BLOCK_IO_PROTOCOL *This\r
- )\r
-/*++\r
-\r
- Routine Description:\r
- Flush the parent Block Device.\r
-\r
- Arguments:\r
- This - Protocol instance pointer.\r
-\r
- Returns:\r
- EFI_SUCCESS - All outstanding data was written to the device\r
- EFI_DEVICE_ERROR - The device reported an error while writing back the data\r
- EFI_NO_MEDIA - There is no media in the device.\r
-\r
---*/\r
-{\r
- PARTITION_PRIVATE_DATA *Private;\r
-\r
- Private = PARTITION_DEVICE_FROM_BLOCK_IO_THIS (This);\r
-\r
- return Private->ParentBlockIo->FlushBlocks (Private->ParentBlockIo);\r
-}\r
-\r
-EFI_STATUS\r
-PartitionInstallChildHandle (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE ParentHandle,\r
- IN EFI_DISK_IO_PROTOCOL *ParentDiskIo,\r
- IN EFI_BLOCK_IO_PROTOCOL *ParentBlockIo,\r
- IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,\r
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePathNode,\r
- IN EFI_LBA Start,\r
- IN EFI_LBA End,\r
- IN UINT32 BlockSize,\r
- IN BOOLEAN InstallEspGuid\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Create a child handle for a logical block device that represents the\r
- bytes Start to End of the Parent Block IO device.\r
-\r
-Arguments:\r
- This - Calling context.\r
- ParentHandle - Parent Handle for new child\r
- ParentDiskIo - Parent DiskIo interface\r
- ParentBlockIo - Parent BlockIo interface\r
- ParentDevicePath - Parent Device Path\r
- DevicePathNode - Child Device Path node\r
- Start - Start Block\r
- End - End Block\r
- BlockSize - Child block size\r
- InstallEspGuid - Flag to install EFI System Partition GUID on handle\r
-\r
-Returns:\r
- EFI_SUCCESS - If a child handle was added\r
- EFI_OUT_OF_RESOURCES - A child handle was not added\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- PARTITION_PRIVATE_DATA *Private;\r
-\r
- Private = AllocateZeroPool (sizeof (PARTITION_PRIVATE_DATA));\r
- if (Private == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Private->Signature = PARTITION_PRIVATE_DATA_SIGNATURE;\r
-\r
- Private->Start = MultU64x32 (Start, ParentBlockIo->Media->BlockSize);\r
- Private->End = MultU64x32 (End + 1, ParentBlockIo->Media->BlockSize);\r
-\r
- Private->BlockSize = BlockSize;\r
- Private->ParentBlockIo = ParentBlockIo;\r
- Private->DiskIo = ParentDiskIo;\r
-\r
- Private->BlockIo.Revision = EFI_BLOCK_IO_PROTOCOL_REVISION;\r
-\r
- Private->BlockIo.Media = &Private->Media;\r
- CopyMem (Private->BlockIo.Media, ParentBlockIo->Media, sizeof (EFI_BLOCK_IO_MEDIA));\r
- Private->Media.LogicalPartition = TRUE;\r
- Private->Media.LastBlock = DivU64x32 (\r
- MultU64x32 (\r
- End - Start + 1,\r
- ParentBlockIo->Media->BlockSize\r
- ),\r
- BlockSize\r
- ) - 1;\r
-\r
- Private->Media.BlockSize = (UINT32) BlockSize;\r
-\r
- Private->BlockIo.Reset = PartitionReset;\r
- Private->BlockIo.ReadBlocks = PartitionReadBlocks;\r
- Private->BlockIo.WriteBlocks = PartitionWriteBlocks;\r
- Private->BlockIo.FlushBlocks = PartitionFlushBlocks;\r
-\r
- Private->DevicePath = AppendDevicePathNode (ParentDevicePath, DevicePathNode);\r
-\r
- if (Private->DevicePath == NULL) {\r
- FreePool (Private);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- if (InstallEspGuid) {\r
- Private->EspGuid = &gEfiPartTypeSystemPartGuid;\r
- } else {\r
- //\r
- // If NULL InstallMultipleProtocolInterfaces will ignore it.\r
- //\r
- Private->EspGuid = NULL;\r
- }\r
- //\r
- // Create the new handle\r
- //\r
- Private->Handle = NULL;\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &Private->Handle,\r
- &gEfiDevicePathProtocolGuid,\r
- Private->DevicePath,\r
- &gEfiBlockIoProtocolGuid,\r
- &Private->BlockIo,\r
- Private->EspGuid,\r
- NULL,\r
- NULL\r
- );\r
-\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Open the Parent Handle for the child\r
- //\r
- Status = gBS->OpenProtocol (\r
- ParentHandle,\r
- &gEfiDiskIoProtocolGuid,\r
- (VOID **) &ParentDiskIo,\r
- This->DriverBindingHandle,\r
- Private->Handle,\r
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
- );\r
- } else {\r
- FreePool (Private->DevicePath);\r
- FreePool (Private);\r
- }\r
-\r
- return Status;\r
-}\r
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