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Clean up FaultTolerantWriteDxe for Doxygen comments requirement.
[mirror_edk2.git] / MdeModulePkg / Universal / FirmwareVolume / FaultTolerantWriteDxe / Ipf / IpfFtwMisc.c
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1/** @file\r
2\r
3 Ipf platform related code to support FtwLite..\r
4\r
5Copyright (c) 2006 - 2008, Intel Corporation \r
6All rights reserved. This program and the accompanying materials \r
7are licensed and made available under the terms and conditions of the BSD License \r
8which accompanies this distribution. The full text of the license may be found at \r
9http://opensource.org/licenses/bsd-license.php \r
10 \r
11THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
12WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
13\r
14**/\r
15\r
16\r
17#include <FtwLite.h>\r
18\r
19//\r
20// MACROs for boot block update\r
21//\r
22#define BOOT_BLOCK_BASE\r
23\r
24/**\r
25\r
26 Get swap state\r
27 This is a internal function.\r
28\r
29 @param FtwLiteDevice Calling context\r
30 @param SwapState Swap state\r
31\r
32 @retval EFI_SUCCESS State successfully got\r
33\r
34**/\r
35EFI_STATUS\r
36GetSwapState (\r
37 IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r
38 OUT BOOLEAN *SwapState\r
39 )\r
40{\r
41 return EFI_SUCCESS;\r
42}\r
43\r
44/**\r
45 Set swap state.\r
46 This is a internal function.\r
47\r
48\r
49 @param FtwLiteDevice Indicates a pointer to the calling context.\r
50 @param TopSwap New swap state\r
51\r
52 @retval EFI_SUCCESS The function completed successfully\r
53 Note:\r
54 the Top-Swap bit (bit 13, D31: F0, Offset D4h). Note that\r
55 software will not be able to clear the Top-Swap bit until the system is\r
56 rebooted without GNT[A]# being pulled down.\r
57\r
58**/\r
59EFI_STATUS\r
60SetSwapState (\r
61 IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r
62 IN BOOLEAN TopSwap\r
63 )\r
64{\r
65 return EFI_SUCCESS;\r
66}\r
67\r
68/**\r
69\r
70 Check whether the block is a boot block.\r
71\r
72\r
73 @param FtwLiteDevice Calling context\r
74 @param FvBlock Fvb protocol instance\r
75 @param Lba Lba value\r
76\r
77 @retval FALSE This is a boot block.\r
78 @retval TRUE This is not a boot block.\r
79\r
80**/\r
81BOOLEAN\r
82IsBootBlock (\r
83 EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r
84 EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvBlock,\r
85 EFI_LBA Lba\r
86 )\r
87{\r
88 //\r
89 // IPF doesn't support safe bootblock update\r
90 // so treat bootblock as normal block\r
91 //\r
92 return FALSE;\r
93}\r
94\r
95/**\r
96 Copy the content of spare block to a boot block. Size is FTW_BLOCK_SIZE.\r
97 Spare block is accessed by FTW backup FVB protocol interface. LBA is\r
98 FtwLiteDevice->FtwSpareLba.\r
99 Boot block is accessed by BootFvb protocol interface. LBA is 0.\r
100\r
101\r
102 @param FtwLiteDevice The private data of FTW_LITE driver\r
103\r
104 @retval EFI_SUCCESS Spare block content is copied to boot block\r
105 @retval EFI_INVALID_PARAMETER Input parameter error\r
106 @retval EFI_OUT_OF_RESOURCES Allocate memory error\r
107 @retval EFI_ABORTED The function could not complete successfully\r
108 Notes:\r
109\r
110**/\r
111EFI_STATUS\r
112FlushSpareBlockToBootBlock (\r
113 EFI_FTW_LITE_DEVICE *FtwLiteDevice\r
114 )\r
115{\r
116 return EFI_SUCCESS;\r
117}\r