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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2338 6f19259b-4bc3-4df7-8a09-765794883524
118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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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Module Name:
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DiskIo.h
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Abstract:
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Private Data definition for Disk IO driver
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--*/
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#ifndef _DISK_IO_H
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#define _DISK_IO_H
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#define DISK_IO_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('d', 's', 'k', 'I')
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#define DATA_BUFFER_BLOCK_NUM (64)
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typedef struct {
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UINTN Signature;
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EFI_DISK_IO_PROTOCOL DiskIo;
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EFI_BLOCK_IO_PROTOCOL *BlockIo;
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} DISK_IO_PRIVATE_DATA;
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#define DISK_IO_PRIVATE_DATA_FROM_THIS(a) CR (a, DISK_IO_PRIVATE_DATA, DiskIo, DISK_IO_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 gDiskIoDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gDiskIoComponentName;
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//
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// Prototypes
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// Driver model protocol interface
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//
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EFI_STATUS
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EFIAPI
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DiskIoDriverBindingSupported (
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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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EFI_STATUS
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EFIAPI
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DiskIoDriverBindingStart (
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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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EFI_STATUS
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EFIAPI
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DiskIoDriverBindingStop (
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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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// Disk I/O Protocol Interface
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//
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EFI_STATUS
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EFIAPI
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DiskIoReadDisk (
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IN EFI_DISK_IO_PROTOCOL *This,
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IN UINT32 MediaId,
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IN UINT64 Offset,
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IN UINTN BufferSize,
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OUT VOID *Buffer
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);
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EFI_STATUS
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EFIAPI
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DiskIoWriteDisk (
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IN EFI_DISK_IO_PROTOCOL *This,
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IN UINT32 MediaId,
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IN UINT64 Offset,
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IN UINTN BufferSize,
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IN VOID *Buffer
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);
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//
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// EFI Component Name Functions
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//
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EFI_STATUS
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EFIAPI
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DiskIoComponentNameGetDriverName (
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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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EFI_STATUS
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EFIAPI
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DiskIoComponentNameGetControllerName (
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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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#endif
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