2 DiskIo driver that layers it's self on every Block IO protocol in the system.
3 DiskIo converts a block oriented device to a byte oriented device.
5 Copyright (c) 2006 - 2007, Intel Corporation
6 All rights reserved. This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
20 #include <Protocol/BlockIo.h>
21 #include <Protocol/ComponentName.h>
22 #include <Protocol/DriverBinding.h>
23 #include <Protocol/DiskIo.h>
24 #include <Library/DebugLib.h>
25 #include <Library/UefiDriverEntryPoint.h>
26 #include <Library/UefiLib.h>
27 #include <Library/BaseLib.h>
28 #include <Library/BaseMemoryLib.h>
29 #include <Library/MemoryAllocationLib.h>
30 #include <Library/UefiBootServicesTableLib.h>
33 #define DISK_IO_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('d', 's', 'k', 'I')
35 #define DATA_BUFFER_BLOCK_NUM (64)
39 EFI_DISK_IO_PROTOCOL DiskIo
;
40 EFI_BLOCK_IO_PROTOCOL
*BlockIo
;
41 } DISK_IO_PRIVATE_DATA
;
43 #define DISK_IO_PRIVATE_DATA_FROM_THIS(a) CR (a, DISK_IO_PRIVATE_DATA, DiskIo, DISK_IO_PRIVATE_DATA_SIGNATURE)
48 extern EFI_DRIVER_BINDING_PROTOCOL gDiskIoDriverBinding
;
49 extern EFI_COMPONENT_NAME_PROTOCOL gDiskIoComponentName
;
53 // Driver model protocol interface
57 DiskIoDriverBindingSupported (
58 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
59 IN EFI_HANDLE ControllerHandle
,
60 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
65 DiskIoDriverBindingStart (
66 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
67 IN EFI_HANDLE ControllerHandle
,
68 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
73 DiskIoDriverBindingStop (
74 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
75 IN EFI_HANDLE ControllerHandle
,
76 IN UINTN NumberOfChildren
,
77 IN EFI_HANDLE
*ChildHandleBuffer
81 // Disk I/O Protocol Interface
86 IN EFI_DISK_IO_PROTOCOL
*This
,
96 IN EFI_DISK_IO_PROTOCOL
*This
,
104 // EFI Component Name Functions
108 DiskIoComponentNameGetDriverName (
109 IN EFI_COMPONENT_NAME_PROTOCOL
*This
,
111 OUT CHAR16
**DriverName
116 DiskIoComponentNameGetControllerName (
117 IN EFI_COMPONENT_NAME_PROTOCOL
*This
,
118 IN EFI_HANDLE ControllerHandle
,
119 IN EFI_HANDLE ChildHandle OPTIONAL
,
121 OUT CHAR16
**ControllerName