1) Framework module consuming FV is present\r
2) And the platform only produces FV2\r
\r
-Copyright (c) 2006 - 2010 Intel Corporation. <BR>\r
+Copyright (c) 2006 - 2010, Intel Corporation. <BR>\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#include <Library/UefiLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
\r
-/**\r
- Retrieves attributes, insures positive polarity of attribute bits, returns\r
- resulting attributes in output parameter\r
-\r
- @param This Calling context\r
- @param Attributes output buffer which contains attributes\r
-\r
- @retval EFI_INVALID_PARAMETER\r
- @retval EFI_SUCCESS\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-FvGetVolumeAttributes (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- OUT FRAMEWORK_EFI_FV_ATTRIBUTES *Attributes\r
- );\r
-\r
-/**\r
- Sets volume attributes\r
-\r
- @param This Calling context\r
- @param Attributes Buffer which contains attributes\r
-\r
- @retval EFI_INVALID_PARAMETER\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_SUCCESS\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-FvSetVolumeAttributes (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- IN OUT FRAMEWORK_EFI_FV_ATTRIBUTES *Attributes\r
- );\r
-\r
-/**\r
- Read the requested file (NameGuid) and returns data in Buffer.\r
-\r
- @param This Calling context\r
- @param NameGuid Filename identifying which file to read\r
- @param Buffer Pointer to pointer to buffer in which contents of file are returned.\r
- <br>\r
- If Buffer is NULL, only type, attributes, and size are returned as\r
- there is no output buffer.\r
- <br>\r
- If Buffer != NULL and *Buffer == NULL, the output buffer is allocated\r
- from BS pool by ReadFile\r
- <br>\r
- If Buffer != NULL and *Buffer != NULL, the output buffer has been\r
- allocated by the caller and is being passed in.\r
- @param BufferSize Indicates the buffer size passed in, and on output the size\r
- required to complete the read\r
- @param FoundType Indicates the type of the file who's data is returned\r
- @param FileAttributes Indicates the attributes of the file who's data is resturned\r
- @param AuthenticationStatus Indicates the authentication status of the data\r
-\r
- @retval EFI_SUCCESS\r
- @retval EFI_WARN_BUFFER_TOO_SMALL\r
- @retval EFI_NOT_FOUND\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_ACCESS_DENIED\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-FvReadFile (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- IN EFI_GUID *NameGuid,\r
- IN OUT VOID **Buffer,\r
- IN OUT UINTN *BufferSize,\r
- OUT EFI_FV_FILETYPE *FoundType,\r
- OUT EFI_FV_FILE_ATTRIBUTES *FileAttributes,\r
- OUT UINT32 *AuthenticationStatus\r
- );\r
-\r
-/**\r
- Read the requested section from the specified file and returns data in Buffer.\r
-\r
- @param This Calling context\r
- @param NameGuid Filename identifying the file from which to read\r
- @param SectionType Indicates what section type to retrieve\r
- @param SectionInstance Indicates which instance of SectionType to retrieve\r
- @param Buffer Pointer to pointer to buffer in which contents of file are returned.\r
- <br>\r
- If Buffer is NULL, only type, attributes, and size are returned as\r
- there is no output buffer.\r
- <br>\r
- If Buffer != NULL and *Buffer == NULL, the output buffer is allocated\r
- from BS pool by ReadFile\r
- <br>\r
- If Buffer != NULL and *Buffer != NULL, the output buffer has been\r
- allocated by the caller and is being passed in.\r
- @param BufferSize Indicates the buffer size passed in, and on output the size\r
- required to complete the read\r
- @param AuthenticationStatus Indicates the authentication status of the data\r
-\r
- @retval EFI_SUCCESS\r
- @retval EFI_WARN_BUFFER_TOO_SMALL\r
- @retval EFI_OUT_OF_RESOURCES\r
- @retval EFI_NOT_FOUND\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_ACCESS_DENIED\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI \r
-FvReadSection (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- IN EFI_GUID *NameGuid,\r
- IN EFI_SECTION_TYPE SectionType,\r
- IN UINTN SectionInstance,\r
- IN OUT VOID **Buffer,\r
- IN OUT UINTN *BufferSize,\r
- OUT UINT32 *AuthenticationStatus\r
- );\r
-\r
-/**\r
- Write the supplied file (NameGuid) to the FV.\r
-\r
- @param This Calling context\r
- @param NumberOfFiles Indicates the number of file records pointed to by FileData\r
- @param WritePolicy Indicates the level of reliability of the write with respect to\r
- things like power failure events.\r
- @param FileData A pointer to an array of EFI_FV_WRITE_FILE_DATA structures. Each\r
- element in the array indicates a file to write, and there are\r
- NumberOfFiles elements in the input array.\r
-\r
- @retval EFI_SUCCESS\r
- @retval EFI_OUT_OF_RESOURCES\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_WRITE_PROTECTED\r
- @retval EFI_NOT_FOUND\r
- @retval EFI_INVALID_PARAMETER\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI \r
-FvWriteFile (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- IN UINT32 NumberOfFiles,\r
- IN FRAMEWORK_EFI_FV_WRITE_POLICY WritePolicy,\r
- IN FRAMEWORK_EFI_FV_WRITE_FILE_DATA *FileData\r
- );\r
-\r
-/**\r
- Given the input key, search for the next matching file in the volume.\r
-\r
- @param This Calling context\r
- @param Key Pointer to a caller allocated buffer that contains an implementation\r
- specific key that is used to track where to begin searching on\r
- successive calls.\r
- @param FileType Indicates the file type to filter for\r
- @param NameGuid Guid filename of the file found\r
- @param Attributes Attributes of the file found\r
- @param Size Size in bytes of the file found\r
-\r
- @retval EFI_SUCCESS\r
- @retval EFI_NOT_FOUND\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_ACCESS_DENIED\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI \r
-FvGetNextFile (\r
- IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r
- IN OUT VOID *Key,\r
- IN OUT EFI_FV_FILETYPE *FileType,\r
- OUT EFI_GUID *NameGuid,\r
- OUT EFI_FV_FILE_ATTRIBUTES *Attributes,\r
- OUT UINTN *Size\r
- );\r
-\r
#define FIRMWARE_VOLUME_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('f', 'v', 't', 'h')\r
\r
typedef struct {\r
\r
#define FIRMWARE_VOLUME_PRIVATE_DATA_FROM_THIS(a) CR (a, FIRMWARE_VOLUME_PRIVATE_DATA, FirmwareVolume, FIRMWARE_VOLUME_PRIVATE_DATA_SIGNATURE)\r
\r
-//\r
-// Firmware Volume Protocol template\r
-//\r
-EFI_EVENT mFvRegistration;\r
-\r
-FIRMWARE_VOLUME_PRIVATE_DATA gFirmwareVolumePrivateDataTemplate = {\r
- FIRMWARE_VOLUME_PRIVATE_DATA_SIGNATURE,\r
- {\r
- FvGetVolumeAttributes,\r
- FvSetVolumeAttributes,\r
- FvReadFile,\r
- FvReadSection,\r
- FvWriteFile,\r
- FvGetNextFile,\r
- 0,\r
- NULL\r
- },\r
- NULL\r
-};\r
-\r
-//\r
-// Module globals\r
-//\r
-\r
-VOID\r
-EFIAPI\r
-FvNotificationEvent (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINTN BufferSize;\r
- EFI_HANDLE Handle;\r
- FIRMWARE_VOLUME_PRIVATE_DATA *Private;\r
- EFI_FIRMWARE_VOLUME_PROTOCOL *FirmwareVolume;\r
-\r
- while (TRUE) {\r
- BufferSize = sizeof (Handle);\r
- Status = gBS->LocateHandle (\r
- ByRegisterNotify,\r
- &gEfiFirmwareVolume2ProtocolGuid,\r
- mFvRegistration,\r
- &BufferSize,\r
- &Handle\r
- );\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // Exit Path of While Loop....\r
- //\r
- break;\r
- }\r
-\r
- //\r
- // Skip this handle if the Firmware Volume Protocol is already installed\r
- //\r
- Status = gBS->HandleProtocol (\r
- Handle,\r
- &gEfiFirmwareVolumeProtocolGuid,\r
- (VOID **)&FirmwareVolume\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- continue;\r
- }\r
-\r
- //\r
- // Allocate private data structure\r
- //\r
- Private = AllocateCopyPool (sizeof (FIRMWARE_VOLUME_PRIVATE_DATA), &gFirmwareVolumePrivateDataTemplate);\r
- if (Private == NULL) {\r
- continue;\r
- }\r
-\r
- //\r
- // Retrieve the Firmware Volume2 Protocol\r
- //\r
- Status = gBS->HandleProtocol (\r
- Handle,\r
- &gEfiFirmwareVolume2ProtocolGuid,\r
- (VOID **)&Private->FirmwareVolume2\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Fill in rest of private data structure\r
- //\r
- Private->FirmwareVolume.KeySize = Private->FirmwareVolume2->KeySize;\r
- Private->FirmwareVolume.ParentHandle = Private->FirmwareVolume2->ParentHandle;\r
-\r
- //\r
- // Install Firmware Volume Protocol onto same handle\r
- //\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &Handle,\r
- &gEfiFirmwareVolumeProtocolGuid,\r
- &Private->FirmwareVolume,\r
- NULL\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
-}\r
-\r
-\r
-/**\r
- The user Entry Point for DXE driver. The user code starts with this function\r
- as the real entry point for the image goes into a library that calls this \r
- function.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
- @param[in] SystemTable A pointer to the EFI System Table.\r
- \r
- @retval EFI_SUCCESS The entry point is executed successfully.\r
- @retval other Some error occurs when executing this entry point.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-InitializeFirmwareVolume2 (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EfiCreateProtocolNotifyEvent (\r
- &gEfiFirmwareVolume2ProtocolGuid,\r
- TPL_CALLBACK,\r
- FvNotificationEvent,\r
- NULL,\r
- &mFvRegistration\r
- );\r
- return EFI_SUCCESS;\r
-}\r
-\r
/**\r
Convert FV attrbiutes to FV2 attributes.\r
\r
\r
/**\r
Retrieves attributes, insures positive polarity of attribute bits, returns\r
- resulting attributes in output parameter\r
+ resulting attributes in output parameter.\r
\r
@param This Calling context\r
@param Attributes output buffer which contains attributes\r
\r
- @retval EFI_INVALID_PARAMETER\r
- @retval EFI_SUCCESS\r
+ @retval EFI_SUCCESS The firmware volume attributes were returned.\r
\r
**/\r
EFI_STATUS\r
}\r
\r
/**\r
- Sets volume attributes\r
+ Sets volume attributes.\r
\r
@param This Calling context\r
@param Attributes Buffer which contains attributes\r
\r
- @retval EFI_INVALID_PARAMETER\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_SUCCESS\r
+ @retval EFI_INVALID_PARAMETER A bit in Attributes was invalid\r
+ @retval EFI_SUCCESS The requested firmware volume attributes were set \r
+ and the resulting EFI_FV_ATTRIBUTES is returned in\r
+ Attributes.\r
+ @retval EFI_ACCESS_DENIED The Device is locked and does not permit modification. \r
\r
**/\r
EFI_STATUS\r
@param FileAttributes Indicates the attributes of the file who's data is resturned\r
@param AuthenticationStatus Indicates the authentication status of the data\r
\r
- @retval EFI_SUCCESS\r
- @retval EFI_WARN_BUFFER_TOO_SMALL\r
- @retval EFI_NOT_FOUND\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_ACCESS_DENIED\r
+ @retval EFI_SUCCESS The call completed successfully\r
+ @retval EFI_WARN_BUFFER_TOO_SMALL The buffer is too small to contain the requested output.\r
+ The buffer is filled and the output is truncated.\r
+ @retval EFI_NOT_FOUND NameGuid was not found in the firmware volume.\r
+ @retval EFI_DEVICE_ERROR A hardware error occurred when attempting to access the firmware volume.\r
+ @retval EFI_ACCESS_DENIED The firmware volume is configured to disallow reads.\r
+ @retval EFI_OUT_OF_RESOURCES An allocation failure occurred.\r
\r
**/\r
EFI_STATUS\r
required to complete the read\r
@param AuthenticationStatus Indicates the authentication status of the data\r
\r
- @retval EFI_SUCCESS\r
- @retval EFI_WARN_BUFFER_TOO_SMALL\r
- @retval EFI_OUT_OF_RESOURCES\r
- @retval EFI_NOT_FOUND\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_ACCESS_DENIED\r
+ @retval EFI_SUCCESS The call completed successfully.\r
+ @retval EFI_WARN_BUFFER_TOO_SMALL The buffer is too small to contain the requested output. \r
+ The buffer is filled and the output is truncated.\r
+ @retval EFI_OUT_OF_RESOURCES An allocation failure occurred.\r
+ @retval EFI_NOT_FOUND Name was not found in the firmware volume.\r
+ @retval EFI_DEVICE_ERROR A hardware error occurred when attempting to access the firmware volume.\r
+ @retval EFI_ACCESS_DENIED The firmware volume is configured to disallow reads.\r
\r
**/\r
EFI_STATUS\r
element in the array indicates a file to write, and there are\r
NumberOfFiles elements in the input array.\r
\r
- @retval EFI_SUCCESS\r
- @retval EFI_OUT_OF_RESOURCES\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_WRITE_PROTECTED\r
- @retval EFI_NOT_FOUND\r
- @retval EFI_INVALID_PARAMETER\r
+ @retval EFI_SUCCESS The write completed successfully.\r
+ @retval EFI_OUT_OF_RESOURCES The firmware volume does not have enough free space to store file(s).\r
+ @retval EFI_DEVICE_ERROR A hardware error occurred when attempting to access the firmware volume.\r
+ @retval EFI_WRITE_PROTECTED The firmware volume is configured to disallow writes.\r
+ @retval EFI_NOT_FOUND A delete was requested, but the requested file was not \r
+ found in the firmware volume.\r
+ @retval EFI_INVALID_PARAMETER A delete was requested with a multiple file write.\r
+ An unsupported WritePolicy was requested.\r
+ An unknown file type was specified.\r
+ A file system specific error has occurred.\r
\r
**/\r
EFI_STATUS\r
@param Attributes Attributes of the file found\r
@param Size Size in bytes of the file found\r
\r
- @retval EFI_SUCCESS\r
- @retval EFI_NOT_FOUND\r
- @retval EFI_DEVICE_ERROR\r
- @retval EFI_ACCESS_DENIED\r
+ @retval EFI_SUCCESS The output parameters are filled with data obtained from \r
+ the first matching file that was found.\r
+ @retval EFI_NOT_FOUND No files of type FileType were found.\r
+ @retval EFI_DEVICE_ERROR A hardware error occurred when attempting to access \r
+ the firmware volume.\r
+ @retval EFI_ACCESS_DENIED The firmware volume is configured to disallow reads.\r
\r
**/\r
EFI_STATUS\r
\r
return Status;\r
}\r
+\r
+//\r
+// Firmware Volume Protocol template\r
+//\r
+EFI_EVENT mFvRegistration;\r
+\r
+FIRMWARE_VOLUME_PRIVATE_DATA gFirmwareVolumePrivateDataTemplate = {\r
+ FIRMWARE_VOLUME_PRIVATE_DATA_SIGNATURE,\r
+ {\r
+ FvGetVolumeAttributes,\r
+ FvSetVolumeAttributes,\r
+ FvReadFile,\r
+ FvReadSection,\r
+ FvWriteFile,\r
+ FvGetNextFile,\r
+ 0,\r
+ NULL\r
+ },\r
+ NULL\r
+};\r
+\r
+//\r
+// Module globals\r
+//\r
+/**\r
+ This notification function is invoked when an instance of the\r
+ EFI_FIRMWARE_VOLUME2_PROTOCOL is produced. It installs another instance of the\r
+ EFI_FIRMWARE_VOLUME_PROTOCOL on the same handle.\r
+\r
+ @param Event The event that occured\r
+ @param Context Context of event. Not used in this nofication function.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+FvNotificationEvent (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINTN BufferSize;\r
+ EFI_HANDLE Handle;\r
+ FIRMWARE_VOLUME_PRIVATE_DATA *Private;\r
+ EFI_FIRMWARE_VOLUME_PROTOCOL *FirmwareVolume;\r
+\r
+ while (TRUE) {\r
+ BufferSize = sizeof (Handle);\r
+ Status = gBS->LocateHandle (\r
+ ByRegisterNotify,\r
+ &gEfiFirmwareVolume2ProtocolGuid,\r
+ mFvRegistration,\r
+ &BufferSize,\r
+ &Handle\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Exit Path of While Loop....\r
+ //\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Skip this handle if the Firmware Volume Protocol is already installed\r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ Handle,\r
+ &gEfiFirmwareVolumeProtocolGuid,\r
+ (VOID **)&FirmwareVolume\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ continue;\r
+ }\r
+\r
+ //\r
+ // Allocate private data structure\r
+ //\r
+ Private = AllocateCopyPool (sizeof (FIRMWARE_VOLUME_PRIVATE_DATA), &gFirmwareVolumePrivateDataTemplate);\r
+ if (Private == NULL) {\r
+ continue;\r
+ }\r
+\r
+ //\r
+ // Retrieve the Firmware Volume2 Protocol\r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ Handle,\r
+ &gEfiFirmwareVolume2ProtocolGuid,\r
+ (VOID **)&Private->FirmwareVolume2\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Fill in rest of private data structure\r
+ //\r
+ Private->FirmwareVolume.KeySize = Private->FirmwareVolume2->KeySize;\r
+ Private->FirmwareVolume.ParentHandle = Private->FirmwareVolume2->ParentHandle;\r
+\r
+ //\r
+ // Install Firmware Volume Protocol onto same handle\r
+ //\r
+ Status = gBS->InstallMultipleProtocolInterfaces (\r
+ &Handle,\r
+ &gEfiFirmwareVolumeProtocolGuid,\r
+ &Private->FirmwareVolume,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+}\r
+\r
+\r
+/**\r
+ The user Entry Point for DXE driver. The user code starts with this function\r
+ as the real entry point for the image goes into a library that calls this \r
+ function.\r
+\r
+ @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
+ @param[in] SystemTable A pointer to the EFI System Table.\r
+ \r
+ @retval EFI_SUCCESS The entry point is executed successfully.\r
+ @retval other Some error occurs when executing this entry point.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InitializeFirmwareVolume2 (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ EfiCreateProtocolNotifyEvent (\r
+ &gEfiFirmwareVolume2ProtocolGuid,\r
+ TPL_CALLBACK,\r
+ FvNotificationEvent,\r
+ NULL,\r
+ &mFvRegistration\r
+ );\r
+ return EFI_SUCCESS;\r
+}\r
projects / mirror_edk2.git / blobdiff