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b9575d60 A |
1 | /** @file\r |
2 | DiskIo driver that layers it's self on every Block IO protocol in the system.\r | |
3 | DiskIo converts a block oriented device to a byte oriented device.\r | |
4 | \r | |
5 | Copyright (c) 2006 - 2007, Intel Corporation \r | |
6 | All rights reserved. This program and the accompanying materials \r | |
7 | are licensed and made available under the terms and conditions of the BSD License \r | |
8 | which accompanies this distribution. The full text of the license may be found at \r | |
9 | http://opensource.org/licenses/bsd-license.php \r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
42bc7f77 A |
16 | #ifndef _DISK_IO_H\r |
17 | #define _DISK_IO_H\r | |
39da6730 | 18 | \r |
b9575d60 A |
19 | #include <Uefi.h>\r |
20 | #include <Protocol/BlockIo.h>\r | |
21 | #include <Protocol/ComponentName.h>\r | |
22 | #include <Protocol/DriverBinding.h>\r | |
23 | #include <Protocol/DiskIo.h>\r | |
24 | #include <Library/DebugLib.h>\r | |
25 | #include <Library/UefiDriverEntryPoint.h>\r | |
26 | #include <Library/UefiLib.h>\r | |
27 | #include <Library/BaseLib.h>\r | |
28 | #include <Library/BaseMemoryLib.h>\r | |
29 | #include <Library/MemoryAllocationLib.h>\r | |
30 | #include <Library/UefiBootServicesTableLib.h>\r | |
79840ee1 | 31 | \r |
79840ee1 | 32 | \r |
33 | #define DISK_IO_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('d', 's', 'k', 'I')\r | |
34 | \r | |
35 | #define DATA_BUFFER_BLOCK_NUM (64)\r | |
36 | \r | |
37 | typedef struct {\r | |
38 | UINTN Signature;\r | |
39 | EFI_DISK_IO_PROTOCOL DiskIo;\r | |
40 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
41 | } DISK_IO_PRIVATE_DATA;\r | |
42 | \r | |
43 | #define DISK_IO_PRIVATE_DATA_FROM_THIS(a) CR (a, DISK_IO_PRIVATE_DATA, DiskIo, DISK_IO_PRIVATE_DATA_SIGNATURE)\r | |
44 | \r | |
45 | //\r | |
46 | // Global Variables\r | |
47 | //\r | |
48 | extern EFI_DRIVER_BINDING_PROTOCOL gDiskIoDriverBinding;\r | |
49 | extern EFI_COMPONENT_NAME_PROTOCOL gDiskIoComponentName;\r | |
50 | \r | |
51 | //\r | |
52 | // Prototypes\r | |
53 | // Driver model protocol interface\r | |
54 | //\r | |
55 | EFI_STATUS\r | |
56 | EFIAPI\r | |
57 | DiskIoDriverBindingSupported (\r | |
58 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
59 | IN EFI_HANDLE ControllerHandle,\r | |
60 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
61 | );\r | |
62 | \r | |
63 | EFI_STATUS\r | |
64 | EFIAPI\r | |
65 | DiskIoDriverBindingStart (\r | |
66 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
67 | IN EFI_HANDLE ControllerHandle,\r | |
68 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
69 | );\r | |
70 | \r | |
71 | EFI_STATUS\r | |
72 | EFIAPI\r | |
73 | DiskIoDriverBindingStop (\r | |
74 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
75 | IN EFI_HANDLE ControllerHandle,\r | |
76 | IN UINTN NumberOfChildren,\r | |
77 | IN EFI_HANDLE *ChildHandleBuffer\r | |
78 | );\r | |
79 | \r | |
80 | //\r | |
81 | // Disk I/O Protocol Interface\r | |
82 | //\r | |
83 | EFI_STATUS\r | |
84 | EFIAPI\r | |
85 | DiskIoReadDisk (\r | |
86 | IN EFI_DISK_IO_PROTOCOL *This,\r | |
87 | IN UINT32 MediaId,\r | |
88 | IN UINT64 Offset,\r | |
89 | IN UINTN BufferSize,\r | |
90 | OUT VOID *Buffer\r | |
91 | );\r | |
92 | \r | |
93 | EFI_STATUS\r | |
94 | EFIAPI\r | |
95 | DiskIoWriteDisk (\r | |
96 | IN EFI_DISK_IO_PROTOCOL *This,\r | |
97 | IN UINT32 MediaId,\r | |
98 | IN UINT64 Offset,\r | |
99 | IN UINTN BufferSize,\r | |
100 | IN VOID *Buffer\r | |
101 | );\r | |
102 | \r | |
103 | //\r | |
104 | // EFI Component Name Functions\r | |
105 | //\r | |
106 | EFI_STATUS\r | |
107 | EFIAPI\r | |
108 | DiskIoComponentNameGetDriverName (\r | |
109 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
110 | IN CHAR8 *Language,\r | |
111 | OUT CHAR16 **DriverName\r | |
112 | );\r | |
113 | \r | |
114 | EFI_STATUS\r | |
115 | EFIAPI\r | |
116 | DiskIoComponentNameGetControllerName (\r | |
117 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
118 | IN EFI_HANDLE ControllerHandle,\r | |
119 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
120 | IN CHAR8 *Language,\r | |
121 | OUT CHAR16 **ControllerName\r | |
122 | );\r | |
123 | \r | |
39da6730 | 124 | #endif\r |