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Update HiiConfigAccess.ExtractConfig interface to support NULL request string and ConfigHdr request string.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10180 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
2010-03-04 06:48:52 +00:00
parent 5bdfa4e58a
commit 59aefb7e0d
10 changed files with 625 additions and 180 deletions
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218
MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
View File

@@ -2,7 +2,7 @@
This is an example of how a driver might export data to the HII protocol to be
later utilized by the Setup Protocol
Copyright (c) 2004 - 2009, Intel Corporation
Copyright (c) 2004 - 2010, 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
@@ -380,9 +380,9 @@ ExtractConfig (
UINTN ValueStrLen;
CHAR16 BackupChar;
CHAR16 *StrPointer;
BOOLEAN AllocatedRequest;
if (Progress == NULL || Results == NULL || Request == NULL) {
if (Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
//
@@ -392,6 +392,7 @@ ExtractConfig (
ConfigRequest = NULL;
Size = 0;
*Progress = Request;
AllocatedRequest = FALSE;
PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
HiiConfigRouting = PrivateData->HiiConfigRouting;
@@ -422,8 +423,9 @@ ExtractConfig (
// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
//
ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, VariableName, PrivateData->DriverHandle[0]);
Size = (StrLen (ConfigRequest) + 32 + 1) * sizeof (CHAR16);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
AllocatedRequest = TRUE;
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
FreePool (ConfigRequestHdr);
} else {
@@ -434,110 +436,140 @@ ExtractConfig (
if (!HiiIsConfigHdrMatch (Request, &mFormSetGuid, NULL)) {
return EFI_NOT_FOUND;
}
ConfigRequest = Request;
//
// Check if requesting Name/Value storage
// Set Request to the unified request string.
//
ConfigRequest = Request;
//
// Check whether Request includes Request Element.
//
if (StrStr (Request, L"OFFSET") == NULL) {
//
// Update Name/Value storage Names
// Check Request Element does exist in Reques String
//
Status = LoadNameValueNames (PrivateData);
if (EFI_ERROR (Status)) {
return Status;
StrPointer = StrStr (Request, L"PATH");
if (StrPointer == NULL) {
return EFI_INVALID_PARAMETER;
}
//
// Allocate memory for <ConfigResp>, e.g. Name0=0x11, Name1=0x1234, Name2="ABCD"
// <Request> ::=<ConfigHdr>&Name0&Name1&Name2
// <ConfigResp>::=<ConfigHdr>&Name0=11&Name1=1234&Name2=0041004200430044
//
BufferSize = (StrLen (Request) +
1 + sizeof (PrivateData->Configuration.NameValueVar0) * 2 +
1 + sizeof (PrivateData->Configuration.NameValueVar1) * 2 +
1 + sizeof (PrivateData->Configuration.NameValueVar2) * 2 + 1) * sizeof (CHAR16);
*Results = AllocateZeroPool (BufferSize);
ASSERT (*Results != NULL);
StrCpy (*Results, Request);
Value = *Results;
//
// Append value of NameValueVar0, type is UINT8
//
if ((Value = StrStr (*Results, PrivateData->NameValueName[0])) != NULL) {
Value += StrLen (PrivateData->NameValueName[0]);
ValueStrLen = ((sizeof (PrivateData->Configuration.NameValueVar0) * 2) + 1);
CopyMem (Value + ValueStrLen, Value, StrSize (Value));
BackupChar = Value[ValueStrLen];
*Value++ = L'=';
Value += UnicodeValueToString (
Value,
PREFIX_ZERO | RADIX_HEX,
PrivateData->Configuration.NameValueVar0,
sizeof (PrivateData->Configuration.NameValueVar0) * 2
);
*Value = BackupChar;
if (StrStr (StrPointer, L"&") == NULL) {
Size = (StrLen (Request) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
AllocatedRequest = TRUE;
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", Request, (UINT64)BufferSize);
}
//
// Append value of NameValueVar1, type is UINT16
//
if ((Value = StrStr (*Results, PrivateData->NameValueName[1])) != NULL) {
Value += StrLen (PrivateData->NameValueName[1]);
ValueStrLen = ((sizeof (PrivateData->Configuration.NameValueVar1) * 2) + 1);
CopyMem (Value + ValueStrLen, Value, StrSize (Value));
BackupChar = Value[ValueStrLen];
*Value++ = L'=';
Value += UnicodeValueToString (
Value,
PREFIX_ZERO | RADIX_HEX,
PrivateData->Configuration.NameValueVar1,
sizeof (PrivateData->Configuration.NameValueVar1) * 2
);
*Value = BackupChar;
}
//
// Append value of NameValueVar2, type is CHAR16 *
//
if ((Value = StrStr (*Results, PrivateData->NameValueName[2])) != NULL) {
Value += StrLen (PrivateData->NameValueName[2]);
ValueStrLen = StrLen (PrivateData->Configuration.NameValueVar2) * 4 + 1;
CopyMem (Value + ValueStrLen, Value, StrSize (Value));
*Value++ = L'=';
//
// Convert Unicode String to Config String, e.g. "ABCD" => "0041004200430044"
//
StrPointer = (CHAR16 *) PrivateData->Configuration.NameValueVar2;
for (; *StrPointer != L'\0'; StrPointer++) {
Value += UnicodeValueToString (Value, PREFIX_ZERO | RADIX_HEX, *StrPointer, 4);
}
}
Progress = (EFI_STRING *) Request + StrLen (Request);
return EFI_SUCCESS;
}
}
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
// Check if requesting Name/Value storage
//
Status = HiiConfigRouting->BlockToConfig (
HiiConfigRouting,
ConfigRequest,
(UINT8 *) &PrivateData->Configuration,
BufferSize,
Results,
Progress
);
if (StrStr (ConfigRequest, L"OFFSET") == NULL) {
//
// Update Name/Value storage Names
//
Status = LoadNameValueNames (PrivateData);
if (EFI_ERROR (Status)) {
return Status;
}
if (Request == NULL) {
//
// Allocate memory for <ConfigResp>, e.g. Name0=0x11, Name1=0x1234, Name2="ABCD"
// <Request> ::=<ConfigHdr>&Name0&Name1&Name2
// <ConfigResp>::=<ConfigHdr>&Name0=11&Name1=1234&Name2=0041004200430044
//
BufferSize = (StrLen (ConfigRequest) +
1 + sizeof (PrivateData->Configuration.NameValueVar0) * 2 +
1 + sizeof (PrivateData->Configuration.NameValueVar1) * 2 +
1 + sizeof (PrivateData->Configuration.NameValueVar2) * 2 + 1) * sizeof (CHAR16);
*Results = AllocateZeroPool (BufferSize);
ASSERT (*Results != NULL);
StrCpy (*Results, ConfigRequest);
Value = *Results;
//
// Append value of NameValueVar0, type is UINT8
//
if ((Value = StrStr (*Results, PrivateData->NameValueName[0])) != NULL) {
Value += StrLen (PrivateData->NameValueName[0]);
ValueStrLen = ((sizeof (PrivateData->Configuration.NameValueVar0) * 2) + 1);
CopyMem (Value + ValueStrLen, Value, StrSize (Value));
BackupChar = Value[ValueStrLen];
*Value++ = L'=';
Value += UnicodeValueToString (
Value,
PREFIX_ZERO | RADIX_HEX,
PrivateData->Configuration.NameValueVar0,
sizeof (PrivateData->Configuration.NameValueVar0) * 2
);
*Value = BackupChar;
}
//
// Append value of NameValueVar1, type is UINT16
//
if ((Value = StrStr (*Results, PrivateData->NameValueName[1])) != NULL) {
Value += StrLen (PrivateData->NameValueName[1]);
ValueStrLen = ((sizeof (PrivateData->Configuration.NameValueVar1) * 2) + 1);
CopyMem (Value + ValueStrLen, Value, StrSize (Value));
BackupChar = Value[ValueStrLen];
*Value++ = L'=';
Value += UnicodeValueToString (
Value,
PREFIX_ZERO | RADIX_HEX,
PrivateData->Configuration.NameValueVar1,
sizeof (PrivateData->Configuration.NameValueVar1) * 2
);
*Value = BackupChar;
}
//
// Append value of NameValueVar2, type is CHAR16 *
//
if ((Value = StrStr (*Results, PrivateData->NameValueName[2])) != NULL) {
Value += StrLen (PrivateData->NameValueName[2]);
ValueStrLen = StrLen (PrivateData->Configuration.NameValueVar2) * 4 + 1;
CopyMem (Value + ValueStrLen, Value, StrSize (Value));
*Value++ = L'=';
//
// Convert Unicode String to Config String, e.g. "ABCD" => "0041004200430044"
//
StrPointer = (CHAR16 *) PrivateData->Configuration.NameValueVar2;
for (; *StrPointer != L'\0'; StrPointer++) {
Value += UnicodeValueToString (Value, PREFIX_ZERO | RADIX_HEX, *StrPointer, 4);
}
}
Status = EFI_SUCCESS;
} else {
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
Status = HiiConfigRouting->BlockToConfig (
HiiConfigRouting,
ConfigRequest,
(UINT8 *) &PrivateData->Configuration,
BufferSize,
Results,
Progress
);
}
//
// Free the allocated config request string.
//
if (AllocatedRequest) {
FreePool (ConfigRequest);
}
//
// Set Progress string to the original request string.
//
if (Request == NULL) {
*Progress = NULL;
} else if (StrStr (Request, L"OFFSET") == NULL) {
*Progress = Request + StrLen (Request);
}
return Status;

51
MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.c
View File

@@ -1,7 +1,7 @@
/** @file
Helper functions for configuring or getting the parameters relating to iSCSI.
Copyright (c) 2004 - 2009, Intel Corporation.<BR>
Copyright (c) 2004 - 2010, Intel Corporation.<BR>
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
@@ -360,11 +360,24 @@ IScsiFormExtractConfig (
ISCSI_CONFIG_IFR_NVDATA *IfrNvData;
ISCSI_FORM_CALLBACK_INFO *Private;
EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
EFI_STRING ConfigRequestHdr;
EFI_STRING ConfigRequest;
BOOLEAN AllocatedRequest;
UINTN Size;
if (Request == NULL || Progress == NULL || Results == NULL) {
if (Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Request;
if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &mVendorGuid, mVendorStorageName)) {
return EFI_NOT_FOUND;
}
ConfigRequestHdr = NULL;
ConfigRequest = NULL;
AllocatedRequest = FALSE;
Size = 0;
if (!mIScsiDeviceListUpdated) {
//
@@ -394,15 +407,47 @@ IScsiFormExtractConfig (
//
HiiConfigRouting = Private->ConfigRouting;
BufferSize = sizeof (ISCSI_CONFIG_IFR_NVDATA);
ConfigRequest = Request;
if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
//
// Request has no request element, construct full request string.
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
//
ConfigRequestHdr = HiiConstructConfigHdr (&mVendorGuid, mVendorStorageName, Private->DriverHandle);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
ASSERT (ConfigRequest != NULL);
AllocatedRequest = TRUE;
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
FreePool (ConfigRequestHdr);
}
Status = HiiConfigRouting->BlockToConfig (
HiiConfigRouting,
Request,
ConfigRequest,
(UINT8 *) IfrNvData,
BufferSize,
Results,
Progress
);
FreePool (IfrNvData);
//
// Free the allocated config request string.
//
if (AllocatedRequest) {
FreePool (ConfigRequest);
ConfigRequest = NULL;
}
//
// Set Progress string to the original request string.
//
if (Request == NULL) {
*Progress = NULL;
} else if (StrStr (Request, L"OFFSET") == NULL) {
*Progress = Request + StrLen (Request);
}
return Status;
}

117
MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigNv.c
View File

@@ -342,19 +342,32 @@ Ip4DeviceExtractConfig (
NIC_IP4_CONFIG_INFO *IfrDeviceNvData;
IP4_CONFIG_INSTANCE *Ip4ConfigInstance;
IP4_CONFIG_IFR_NVDATA *IfrFormNvData;
EFI_STRING ConfigRequestHdr;
EFI_STRING ConfigRequest;
EFI_STRING DeviceResult;
EFI_STRING FormResult;
CHAR16 *StrPointer;
BOOLEAN AllocatedRequest;
UINTN Size;
UINTN BufferSize;
if (Request == NULL || Progress == NULL || Results == NULL) {
if (Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Request;
*Progress = Request;
Size = 0;
DeviceResult = NULL;
FormResult = NULL;
ConfigRequest = NULL;
Status = EFI_SUCCESS;
AllocatedRequest = FALSE;
Ip4ConfigInstance = IP4_CONFIG_INSTANCE_FROM_CONFIG_ACCESS (This);
//
// Check Request data in <ConfigHdr>.
//
if (HiiIsConfigHdrMatch (Request, &gEfiNicIp4ConfigVariableGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
if ((Request == NULL) || HiiIsConfigHdrMatch (Request, &gEfiNicIp4ConfigVariableGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
IfrDeviceNvData = AllocateZeroPool (NIC_ITEM_CONFIG_SIZE);
if (IfrDeviceNvData == NULL) {
return EFI_OUT_OF_RESOURCES;
@@ -367,21 +380,50 @@ Ip4DeviceExtractConfig (
return EFI_NOT_FOUND;
}
ConfigRequest = Request;
if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
//
// Request has no request element, construct full request string.
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
//
ConfigRequestHdr = HiiConstructConfigHdr (&gEfiNicIp4ConfigVariableGuid, EFI_NIC_IP4_CONFIG_VARIABLE, Ip4ConfigInstance->ChildHandle);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
ASSERT (ConfigRequest != NULL);
AllocatedRequest = TRUE;
BufferSize = NIC_ITEM_CONFIG_SIZE;
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
FreePool (ConfigRequestHdr);
}
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
Status = gHiiConfigRouting->BlockToConfig (
gHiiConfigRouting,
Request,
ConfigRequest,
(UINT8 *) IfrDeviceNvData,
NIC_ITEM_CONFIG_SIZE,
Results,
&DeviceResult,
Progress
);
FreePool (IfrDeviceNvData);
//
// Free the allocated config request string.
//
if (AllocatedRequest) {
FreePool (ConfigRequest);
ConfigRequest = NULL;
}
} else if (HiiIsConfigHdrMatch (Request, &mNicIp4ConfigNvDataGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
if (EFI_ERROR (Status)) {
goto Failure;
}
}
if ((Request == NULL) || HiiIsConfigHdrMatch (Request, &mNicIp4ConfigNvDataGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
IfrFormNvData = AllocateZeroPool (NIC_ITEM_CONFIG_SIZE);
if (IfrFormNvData == NULL) {
@@ -390,25 +432,80 @@ Ip4DeviceExtractConfig (
Ip4ConfigConvertDeviceConfigDataToIfrNvData (Ip4ConfigInstance, IfrFormNvData);
ConfigRequest = Request;
if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
//
// Request has no request element, construct full request string.
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
//
ConfigRequestHdr = HiiConstructConfigHdr (&mNicIp4ConfigNvDataGuid, EFI_NIC_IP4_CONFIG_VARIABLE, Ip4ConfigInstance->ChildHandle);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
ASSERT (ConfigRequest != NULL);
AllocatedRequest = TRUE;
BufferSize = sizeof (IP4_CONFIG_IFR_NVDATA);
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
FreePool (ConfigRequestHdr);
}
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
Status = gHiiConfigRouting->BlockToConfig (
gHiiConfigRouting,
Request,
ConfigRequest,
(UINT8 *) IfrFormNvData,
sizeof (IP4_CONFIG_IFR_NVDATA),
Results,
&FormResult,
Progress
);
FreePool (IfrFormNvData);
//
// Free the allocated config request string.
//
if (AllocatedRequest) {
FreePool (ConfigRequest);
ConfigRequest = NULL;
}
if (EFI_ERROR (Status)) {
goto Failure;
}
}
if (Request == NULL) {
Size = StrLen (DeviceResult);
Size = Size + 1;
Size = Size + StrLen (FormResult) + 1;
*Results = AllocateZeroPool (Size * sizeof (CHAR16));
ASSERT (*Results != NULL);
StrPointer = *Results;
StrCpy (StrPointer, DeviceResult);
StrPointer = StrPointer + StrLen (StrPointer);
*StrPointer = L'&';
StrCpy (StrPointer + 1, FormResult);
FreePool (DeviceResult);
FreePool (FormResult);
} else if (HiiIsConfigHdrMatch (ConfigRequest, &gEfiNicIp4ConfigVariableGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
*Results = DeviceResult;
} else if (HiiIsConfigHdrMatch (ConfigRequest, &mNicIp4ConfigNvDataGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
*Results = FormResult;
} else {
return EFI_NOT_FOUND;
}
Failure:
//
// Set Progress string to the original request string.
//
if (Request == NULL) {
*Progress = NULL;
} else if (StrStr (Request, L"OFFSET") == NULL) {
*Progress = Request + StrLen (Request);
}
return Status;
}

58
MdeModulePkg/Universal/Network/VlanConfigDxe/VlanConfigImpl.c
View File

@@ -75,14 +75,29 @@ VlanExtractConfig (
OUT EFI_STRING *Results
)
{
EFI_STATUS Status;
UINTN BufferSize;
VLAN_CONFIGURATION Configuration;
EFI_STATUS Status;
UINTN BufferSize;
VLAN_CONFIGURATION Configuration;
VLAN_CONFIG_PRIVATE_DATA *PrivateData;
EFI_STRING ConfigRequestHdr;
EFI_STRING ConfigRequest;
BOOLEAN AllocatedRequest;
UINTN Size;
if (Request == NULL) {
if (Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Request;
if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &mVlanFormSetGuid, mVlanStorageName)) {
return EFI_NOT_FOUND;
}
ConfigRequestHdr = NULL;
ConfigRequest = NULL;
AllocatedRequest = FALSE;
Size = 0;
//
// Retrieve the pointer to the UEFI HII Config Routing Protocol
//
@@ -94,16 +109,49 @@ VlanExtractConfig (
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
PrivateData = VLAN_CONFIG_PRIVATE_DATA_FROM_THIS (This);
ZeroMem (&Configuration, sizeof (VLAN_CONFIGURATION));
BufferSize = sizeof (VLAN_CONFIG_PRIVATE_DATA);
ConfigRequest = Request;
if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
//
// Request has no request element, construct full request string.
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
//
ConfigRequestHdr = HiiConstructConfigHdr (&mVlanFormSetGuid, mVlanStorageName, PrivateData->DriverHandle);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
ASSERT (ConfigRequest != NULL);
AllocatedRequest = TRUE;
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
FreePool (ConfigRequestHdr);
}
Status = mHiiConfigRouting->BlockToConfig (
mHiiConfigRouting,
Request,
ConfigRequest,
(UINT8 *) &Configuration,
BufferSize,
Results,
Progress
);
//
// Free the allocated config request string.
//
if (AllocatedRequest) {
FreePool (ConfigRequest);
ConfigRequest = NULL;
}
//
// Set Progress string to the original request string.
//
if (Request == NULL) {
*Progress = NULL;
} else if (StrStr (Request, L"OFFSET") == NULL) {
*Progress = Request + StrLen (Request);
}
return Status;
}

56
MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c
View File

@@ -13,7 +13,7 @@
4. It save all the mapping info in NV variables which will be consumed
by platform override protocol driver to publish the platform override protocol.
Copyright (c) 2007 - 2009, Intel Corporation
Copyright (c) 2007 - 2010, 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
@@ -1161,25 +1161,73 @@ PlatOverMngrExtractConfig (
EFI_STATUS Status;
EFI_CALLBACK_INFO *Private;
EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
EFI_STRING ConfigRequestHdr;
EFI_STRING ConfigRequest;
BOOLEAN AllocatedRequest;
UINTN Size;
UINTN BufferSize;
if (Progress == NULL || Results == NULL || Request == NULL) {
if (Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Request;
*Progress = Request;
if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &mPlatformOverridesManagerGuid, mVariableName)) {
return EFI_NOT_FOUND;
}
ConfigRequestHdr = NULL;
ConfigRequest = NULL;
Size = 0;
AllocatedRequest = FALSE;
Private = EFI_CALLBACK_INFO_FROM_THIS (This);
HiiConfigRouting = Private->HiiConfigRouting;
ConfigRequest = Request;
if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
//
// Request has no request element, construct full request string.
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
//
ConfigRequestHdr = HiiConstructConfigHdr (&mPlatformOverridesManagerGuid, mVariableName, Private->DriverHandle);
Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (Size);
ASSERT (ConfigRequest != NULL);
AllocatedRequest = TRUE;
BufferSize = sizeof (PLAT_OVER_MNGR_DATA);
UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
FreePool (ConfigRequestHdr);
}
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
Status = HiiConfigRouting->BlockToConfig (
HiiConfigRouting,
Request,
ConfigRequest,
(UINT8 *) &Private->FakeNvData,
sizeof (PLAT_OVER_MNGR_DATA),
Results,
Progress
);
//
// Free the allocated config request string.
//
if (AllocatedRequest) {
FreePool (ConfigRequest);
ConfigRequest = NULL;
}
//
// Set Progress string to the original request string.
//
if (Request == NULL) {
*Progress = NULL;
} else if (StrStr (Request, L"OFFSET") == NULL) {
*Progress = Request + StrLen (Request);
}
return Status;
}