1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Partition.h
Abstract:
Partition driver that produces logical BlockIo devices from a physical
BlockIo device. The logical BlockIo devices are based on the format
of the raw block devices media. Currently "El Torito CD-ROM", Legacy
MBR, and GPT partition schemes are supported.
Revision History
--*/
#ifndef __PARTITION_H__
#define __PARTITION_H__
#include <IndustryStandard/Mbr.h>
#include <IndustryStandard/ElTorito.h>
#include <IndustryStandard/EfiGpt.h>
//
// Partition private data
//
#define PARTITION_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('P', 'a', 'r', 't')
typedef struct {
UINT64 Signature;
EFI_HANDLE Handle;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_BLOCK_IO_PROTOCOL BlockIo;
EFI_BLOCK_IO_MEDIA Media;
EFI_DISK_IO_PROTOCOL *DiskIo;
EFI_BLOCK_IO_PROTOCOL *ParentBlockIo;
UINT64 Start;
UINT64 End;
UINT32 BlockSize;
EFI_GUID *EspGuid;
} PARTITION_PRIVATE_DATA;
#define PARTITION_DEVICE_FROM_BLOCK_IO_THIS(a) CR (a, PARTITION_PRIVATE_DATA, BlockIo, PARTITION_PRIVATE_DATA_SIGNATURE)
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gPartitionDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gPartitionComponentName;
//
// Extract INT32 from char array
//
#define UNPACK_INT32(a) (INT32)( (((UINT8 *) a)[0] << 0) | \
(((UINT8 *) a)[1] << 8) | \
(((UINT8 *) a)[2] << 16) | \
(((UINT8 *) a)[3] << 24) )
//
// Extract UINT32 from char array
//
#define UNPACK_UINT32(a) (UINT32)( (((UINT8 *) a)[0] << 0) | \
(((UINT8 *) a)[1] << 8) | \
(((UINT8 *) a)[2] << 16) | \
(((UINT8 *) a)[3] << 24) )
//
// Function Prototypes
//
EFI_STATUS
EFIAPI
PartitionDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
PartitionDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
PartitionDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
//
// EFI Component Name Functions
//
EFI_STATUS
EFIAPI
PartitionComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
EFI_STATUS
EFIAPI
PartitionComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
EFI_STATUS
PartitionInstallChildHandle (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ParentHandle,
IN EFI_DISK_IO_PROTOCOL *ParentDiskIo,
IN EFI_BLOCK_IO_PROTOCOL *ParentBlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePathNode,
IN UINT64 Start,
IN UINT64 End,
IN UINT32 BlockSize,
IN BOOLEAN InstallEspGuid
)
;
EFI_STATUS
PartitionInstallGptChildHandles (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
;
EFI_STATUS
PartitionInstallElToritoChildHandles (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
;
EFI_STATUS
PartitionInstallMbrChildHandles (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
;
typedef
EFI_STATUS
(*PARTITION_DETECT_ROUTINE) (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
);
#endif
|
