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1 /** @file
2   Common defines and definitions for a component update driver.
3 
4   Copyright (c) 2002 - 2010, Intel Corporation. All rights reserved.<BR>
5 
6   This program and the accompanying materials
7   are licensed and made available under the terms and conditions
8   of the BSD License which accompanies this distribution.  The
9   full text of the license may be found at
10   http://opensource.org/licenses/bsd-license.php
11 
12   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14 
15 **/
16 
17 #ifndef _EFI_UPDATE_DRIVER_H_
18 #define _EFI_UPDATE_DRIVER_H_
19 
20 #include <PiDxe.h>
21 
22 #include <Protocol/LoadedImage.h>
23 #include <Guid/Capsule.h>
24 #include <Guid/CapsuleDataFile.h>
25 #include <Protocol/FaultTolerantWrite.h>
26 #include <Protocol/FirmwareVolumeBlock.h>
27 #include <Protocol/FirmwareVolume2.h>
28 
29 #include <Library/BaseLib.h>
30 #include <Library/DebugLib.h>
31 #include <Library/BaseMemoryLib.h>
32 #include <Library/UefiRuntimeServicesTableLib.h>
33 #include <Library/UefiDriverEntryPoint.h>
34 #include <Library/UefiBootServicesTableLib.h>
35 #include <Library/UefiLib.h>
36 #include <Library/MemoryAllocationLib.h>
37 #include <Library/DxeServicesTableLib.h>
38 #include <Library/HiiLib.h>
39 #include <Library/PrintLib.h>
40 #include <Library/DevicePathLib.h>
41 
42 extern EFI_HII_HANDLE gHiiHandle;
43 
44 typedef enum {
45   UpdateWholeFV = 0,              // 0, update whole FV
46   UpdateFvFile,                   // 1, update a set of FV files asynchronously
47   UpdateFvRange,                  // 2, update part of FV or flash
48   UpdateOperationMaximum          // 3
49 } UPDATE_OPERATION_TYPE;
50 
51 typedef struct {
52   UINTN                           Index;
53   UPDATE_OPERATION_TYPE           UpdateType;
54   EFI_DEVICE_PATH_PROTOCOL        DevicePath;
55   EFI_PHYSICAL_ADDRESS            BaseAddress;
56   EFI_GUID                        FileGuid;
57   UINTN                           Length;
58   BOOLEAN                         FaultTolerant;
59 } UPDATE_CONFIG_DATA;
60 
61 typedef struct _SECTION_ITEM SECTION_ITEM;
62 struct _SECTION_ITEM {
63   CHAR8                           *ptrSection;
64   UINTN                           SecNameLen;
65   CHAR8                           *ptrEntry;
66   CHAR8                           *ptrValue;
67   SECTION_ITEM                    *ptrNext;
68 };
69 
70 typedef struct _COMMENT_LINE COMMENT_LINE;
71 struct _COMMENT_LINE {
72   CHAR8                           *ptrComment;
73   COMMENT_LINE                    *ptrNext;
74 };
75 
76 typedef struct {
77   EFI_GUID                        FileGuid;
78 } UPDATE_PRIVATE_DATA;
79 
80 #define MAX_LINE_LENGTH           512
81 #define EFI_D_UPDATE              EFI_D_ERROR
82 
83 #define MIN_ALIGNMENT_SIZE        4
84 #define ALIGN_SIZE(a)   ((a % MIN_ALIGNMENT_SIZE) ? MIN_ALIGNMENT_SIZE - (a % MIN_ALIGNMENT_SIZE) : 0)
85 
86 /**
87   Parse Config data file to get the updated data array.
88 
89   @param DataBuffer      Config raw file buffer.
90   @param BufferSize      Size of raw buffer.
91   @param NumOfUpdates    Pointer to the number of update data.
92   @param UpdateArray     Pointer to the config of update data.
93 
94   @retval EFI_NOT_FOUND         No config data is found.
95   @retval EFI_OUT_OF_RESOURCES  No enough memory is allocated.
96   @retval EFI_SUCCESS           Parse the config file successfully.
97 
98 **/
99 EFI_STATUS
100 ParseUpdateDataFile (
101   IN      UINT8                         *DataBuffer,
102   IN      UINTN                         BufferSize,
103   IN OUT  UINTN                         *NumOfUpdates,
104   IN OUT  UPDATE_CONFIG_DATA            **UpdateArray
105   );
106 
107 /**
108   Update the whole FV image, and reinsall FVB protocol for the updated FV image.
109 
110   @param FvbHandle       Handle of FVB protocol for the updated flash range.
111   @param FvbProtocol     FVB protocol.
112   @param ConfigData      Config data on updating driver.
113   @param ImageBuffer     Image buffer to be updated.
114   @param ImageSize       Image size.
115 
116   @retval EFI_INVALID_PARAMETER  Update type is not UpdateWholeFV.
117                                  Or Image size is not same to the size of whole FV.
118   @retval EFI_OUT_OF_RESOURCES   No enoug memory is allocated.
119   @retval EFI_SUCCESS            FV image is updated, and its FVB protocol is reinstalled.
120 
121 **/
122 EFI_STATUS
123 PerformUpdateOnWholeFv (
124   IN EFI_HANDLE                         FvbHandle,
125   IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol,
126   IN UPDATE_CONFIG_DATA                 *ConfigData,
127   IN UINT8                              *ImageBuffer,
128   IN UINTN                              ImageSize
129   );
130 
131 /**
132   Update certain file in the FV.
133 
134   @param FvbHandle       Handle of FVB protocol for the updated flash range.
135   @param FvbProtocol     FVB protocol.
136   @param ConfigData      Config data on updating driver.
137   @param ImageBuffer     Image buffer to be updated.
138   @param ImageSize       Image size.
139   @param FileType        FFS file type.
140   @param FileAttributes  FFS file attribute
141 
142   @retval EFI_INVALID_PARAMETER  Update type is not UpdateFvFile.
143                                  Or Image size is not same to the size of whole FV.
144   @retval EFI_UNSUPPORTED        PEIM FFS is unsupported to be updated.
145   @retval EFI_SUCCESS            The FFS file is added into FV.
146 
147 **/
148 EFI_STATUS
149 PerformUpdateOnFvFile (
150   IN EFI_HANDLE                         FvbHandle,
151   IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol,
152   IN UPDATE_CONFIG_DATA                 *ConfigData,
153   IN UINT8                              *ImageBuffer,
154   IN UINTN                              ImageSize,
155   IN EFI_FV_FILETYPE                    FileType,
156   IN EFI_FV_FILE_ATTRIBUTES             FileAttributes
157   );
158 
159 /**
160   Update the buffer into flash area in fault tolerant write method.
161 
162   @param ImageBuffer     Image buffer to be updated.
163   @param SizeLeft        Size of the image buffer.
164   @param UpdatedSize     Size of the updated buffer.
165   @param ConfigData      Config data on updating driver.
166   @param FlashAddress    Flash address to be updated as start address.
167   @param FvbProtocol     FVB protocol.
168   @param FvbHandle       Handle of FVB protocol for the updated flash range.
169 
170   @retval EFI_SUCCESS            Buffer data is updated into flash.
171   @retval EFI_INVALID_PARAMETER  Base flash address is not in FVB flash area.
172   @retval EFI_NOT_FOUND          FTW protocol doesn't exist.
173   @retval EFI_OUT_OF_RESOURCES   No enough backup space.
174   @retval EFI_ABORTED            Error happen when update flash area.
175 
176 **/
177 EFI_STATUS
178 FaultTolerantUpdateOnPartFv (
179   IN       UINT8                         *ImageBuffer,
180   IN       UINTN                         SizeLeft,
181   IN OUT   UINTN                         *UpdatedSize,
182   IN       UPDATE_CONFIG_DATA            *ConfigData,
183   IN       EFI_PHYSICAL_ADDRESS          FlashAddress,
184   IN       EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol,
185   IN       EFI_HANDLE                    FvbHandle
186   );
187 
188 /**
189   Directly update the buffer into flash area without fault tolerant write method.
190 
191   @param ImageBuffer     Image buffer to be updated.
192   @param SizeLeft        Size of the image buffer.
193   @param UpdatedSize     Size of the updated buffer.
194   @param FlashAddress    Flash address to be updated as start address.
195   @param FvbProtocol     FVB protocol.
196   @param FvbHandle       Handle of FVB protocol for the updated flash range.
197 
198   @retval EFI_SUCCESS            Buffer data is updated into flash.
199   @retval EFI_INVALID_PARAMETER  Base flash address is not in FVB flash area.
200   @retval EFI_OUT_OF_RESOURCES   No enough backup space.
201 
202 **/
203 EFI_STATUS
204 NonFaultTolerantUpdateOnPartFv (
205   IN      UINT8                         *ImageBuffer,
206   IN      UINTN                         SizeLeft,
207   IN OUT  UINTN                         *UpdatedSize,
208   IN      EFI_PHYSICAL_ADDRESS          FlashAddress,
209   IN      EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol,
210   IN      EFI_HANDLE                    FvbHandle
211   );
212 
213 #endif
214