diff options
author | eric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-09-23 07:35:34 +0000 |
---|---|---|
committer | eric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-09-23 07:35:34 +0000 |
commit | ec90508b3d3ff22a698a0446cb09d551d7466045 (patch) | |
tree | 35f8e34be2eb7198e3d61acf3d9a35a8ed8593e4 /MdeModulePkg/Core/Dxe/FwVol | |
parent | 1046284db9ec38ad6478160a57d8030331d6c5b2 (diff) | |
download | edk2-ec90508b3d3ff22a698a0446cb09d551d7466045.zip edk2-ec90508b3d3ff22a698a0446cb09d551d7466045.tar.gz edk2-ec90508b3d3ff22a698a0446cb09d551d7466045.tar.bz2 |
move header files in MdeModulePkg\Core\Dxe except DxeMain.h into their corresponding sub-module directories. It is used to provide good modularity.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5949 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Core/Dxe/FwVol')
-rw-r--r-- | MdeModulePkg/Core/Dxe/FwVol/Ffs.c | 1 | ||||
-rw-r--r-- | MdeModulePkg/Core/Dxe/FwVol/FwVol.c | 6 | ||||
-rw-r--r-- | MdeModulePkg/Core/Dxe/FwVol/FwVolAttrib.c | 1 | ||||
-rw-r--r-- | MdeModulePkg/Core/Dxe/FwVol/FwVolDriver.h | 458 | ||||
-rw-r--r-- | MdeModulePkg/Core/Dxe/FwVol/FwVolRead.c | 10 | ||||
-rw-r--r-- | MdeModulePkg/Core/Dxe/FwVol/FwVolWrite.c | 2 |
6 files changed, 468 insertions, 10 deletions
diff --git a/MdeModulePkg/Core/Dxe/FwVol/Ffs.c b/MdeModulePkg/Core/Dxe/FwVol/Ffs.c index 1c11dde..3a50f9d 100644 --- a/MdeModulePkg/Core/Dxe/FwVol/Ffs.c +++ b/MdeModulePkg/Core/Dxe/FwVol/Ffs.c @@ -14,6 +14,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include "DxeMain.h"
+#include "FwVolDriver.h"
/**
diff --git a/MdeModulePkg/Core/Dxe/FwVol/FwVol.c b/MdeModulePkg/Core/Dxe/FwVol/FwVol.c index 16d66fa..9e26e4f 100644 --- a/MdeModulePkg/Core/Dxe/FwVol/FwVol.c +++ b/MdeModulePkg/Core/Dxe/FwVol/FwVol.c @@ -15,8 +15,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/
#include "DxeMain.h"
+#include "FwVolDriver.h"
-#define KEYSIZE sizeof (UINTN)
//
// Protocol notify related globals
@@ -34,8 +34,8 @@ FV_DEVICE mFvDevice = { FvReadFile,
FvReadFileSection,
FvWriteFile,
- FvGetNextFile,
- KEYSIZE,
+ FvGetNextFile,
+ sizeof (UINTN),
NULL,
FvGetVolumeInfo,
FvSetVolumeInfo
diff --git a/MdeModulePkg/Core/Dxe/FwVol/FwVolAttrib.c b/MdeModulePkg/Core/Dxe/FwVol/FwVolAttrib.c index 4c7dd99..f60af52 100644 --- a/MdeModulePkg/Core/Dxe/FwVol/FwVolAttrib.c +++ b/MdeModulePkg/Core/Dxe/FwVol/FwVolAttrib.c @@ -13,6 +13,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/
#include "DxeMain.h"
+#include "FwVolDriver.h"
/**
diff --git a/MdeModulePkg/Core/Dxe/FwVol/FwVolDriver.h b/MdeModulePkg/Core/Dxe/FwVol/FwVolDriver.h new file mode 100644 index 0000000..bb29cc4 --- /dev/null +++ b/MdeModulePkg/Core/Dxe/FwVol/FwVolDriver.h @@ -0,0 +1,458 @@ +/** @file
+ Firmware File System protocol. Layers on top of Firmware
+ Block protocol to produce a file abstraction of FV based files.
+
+Copyright (c) 2006 - 2008, 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
+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.
+
+**/
+
+#ifndef __FW_VOL_DRIVER_H_
+#define __FW_VOL_DRIVER_H_
+
+
+#define FV2_DEVICE_SIGNATURE EFI_SIGNATURE_32 ('_', 'F', 'V', '2')
+
+//
+// Used to track all non-deleted files
+//
+typedef struct {
+ LIST_ENTRY Link;
+ EFI_FFS_FILE_HEADER *FfsHeader;
+ UINTN StreamHandle;
+} FFS_FILE_LIST_ENTRY;
+
+typedef struct {
+ UINTN Signature;
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;
+ EFI_HANDLE Handle;
+ EFI_FIRMWARE_VOLUME2_PROTOCOL Fv;
+
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ UINT8 *CachedFv;
+ UINT8 *EndOfCachedFv;
+
+ FFS_FILE_LIST_ENTRY *LastKey;
+
+ LIST_ENTRY FfsFileListHeader;
+
+ UINT8 ErasePolarity;
+} FV_DEVICE;
+
+#define FV_DEVICE_FROM_THIS(a) CR(a, FV_DEVICE, Fv, FV2_DEVICE_SIGNATURE)
+
+/**
+ Retrieves attributes, insures positive polarity of attribute bits, returns
+ resulting attributes in output parameter.
+
+ @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
+ @param Attributes output buffer which contains attributes.
+
+ @retval EFI_SUCCESS Successfully got volume attributes.
+
+**/
+EFI_STATUS
+EFIAPI
+FvGetVolumeAttributes (
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
+ OUT EFI_FV_ATTRIBUTES *Attributes
+ );
+
+
+/**
+ Sets current attributes for volume
+
+ @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
+ @param Attributes At input, contains attributes to be set. At output
+ contains new value of FV.
+
+ @retval EFI_UNSUPPORTED Could not be set.
+
+**/
+EFI_STATUS
+EFIAPI
+FvSetVolumeAttributes (
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
+ IN OUT EFI_FV_ATTRIBUTES *Attributes
+ );
+
+
+/**
+ Given the input key, search for the next matching file in the volume.
+
+ @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
+ @param Key Key is a pointer to a caller allocated
+ buffer that contains implementation specific
+ data that is used to track where to begin
+ the search for the next file. The size of
+ the buffer must be at least This->KeySize
+ bytes long. To reinitialize the search and
+ begin from the beginning of the firmware
+ volume, the entire buffer must be cleared to
+ zero. Other than clearing the buffer to
+ initiate a new search, the caller must not
+ modify the data in the buffer between calls
+ to GetNextFile().
+ @param FileType FileType is a pointer to a caller allocated
+ EFI_FV_FILETYPE. The GetNextFile() API can
+ filter it's search for files based on the
+ value of *FileType input. A *FileType input
+ of 0 causes GetNextFile() to search for
+ files of all types. If a file is found, the
+ file's type is returned in *FileType.
+ *FileType is not modified if no file is
+ found.
+ @param NameGuid NameGuid is a pointer to a caller allocated
+ EFI_GUID. If a file is found, the file's
+ name is returned in *NameGuid. *NameGuid is
+ not modified if no file is found.
+ @param Attributes Attributes is a pointer to a caller
+ allocated EFI_FV_FILE_ATTRIBUTES. If a file
+ is found, the file's attributes are returned
+ in *Attributes. *Attributes is not modified
+ if no file is found.
+ @param Size Size is a pointer to a caller allocated
+ UINTN. If a file is found, the file's size
+ is returned in *Size. *Size is not modified
+ if no file is found.
+
+ @retval EFI_SUCCESS Successfully find the file.
+ @retval EFI_DEVICE_ERROR Device error.
+ @retval EFI_ACCESS_DENIED Fv could not read.
+ @retval EFI_NOT_FOUND No matching file found.
+ @retval EFI_INVALID_PARAMETER Invalid parameter
+
+**/
+EFI_STATUS
+EFIAPI
+FvGetNextFile (
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
+ IN OUT VOID *Key,
+ IN OUT EFI_FV_FILETYPE *FileType,
+ OUT EFI_GUID *NameGuid,
+ OUT EFI_FV_FILE_ATTRIBUTES *Attributes,
+ OUT UINTN *Size
+ );
+
+
+
+/**
+ Locates a file in the firmware volume and
+ copies it to the supplied buffer.
+
+ @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
+ @param NameGuid Pointer to an EFI_GUID, which is the
+ filename.
+ @param Buffer Buffer is a pointer to pointer to a buffer
+ in which the file or section contents or are
+ returned.
+ @param BufferSize BufferSize is a pointer to caller allocated
+ UINTN. On input *BufferSize indicates the
+ size in bytes of the memory region pointed
+ to by Buffer. On output, *BufferSize
+ contains the number of bytes required to
+ read the file.
+ @param FoundType FoundType is a pointer to a caller allocated
+ EFI_FV_FILETYPE that on successful return
+ from Read() contains the type of file read.
+ This output reflects the file type
+ irrespective of the value of the SectionType
+ input.
+ @param FileAttributes FileAttributes is a pointer to a caller
+ allocated EFI_FV_FILE_ATTRIBUTES. On
+ successful return from Read(),
+ *FileAttributes contains the attributes of
+ the file read.
+ @param AuthenticationStatus AuthenticationStatus is a pointer to a
+ caller allocated UINTN in which the
+ authentication status is returned.
+
+ @retval EFI_SUCCESS Successfully read to memory buffer.
+ @retval EFI_WARN_BUFFER_TOO_SMALL Buffer too small.
+ @retval EFI_NOT_FOUND Not found.
+ @retval EFI_DEVICE_ERROR Device error.
+ @retval EFI_ACCESS_DENIED Could not read.
+ @retval EFI_INVALID_PARAMETER Invalid parameter.
+ @retval EFI_OUT_OF_RESOURCES Not enough buffer to be allocated.
+
+**/
+EFI_STATUS
+EFIAPI
+FvReadFile (
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
+ IN CONST EFI_GUID *NameGuid,
+ IN OUT VOID **Buffer,
+ IN OUT UINTN *BufferSize,
+ OUT EFI_FV_FILETYPE *FoundType,
+ OUT EFI_FV_FILE_ATTRIBUTES *FileAttributes,
+ OUT UINT32 *AuthenticationStatus
+ );
+
+
+/**
+ Locates a section in a given FFS File and
+ copies it to the supplied buffer (not including section header).
+
+ @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
+ @param NameGuid Pointer to an EFI_GUID, which is the
+ filename.
+ @param SectionType Indicates the section type to return.
+ @param SectionInstance Indicates which instance of sections with a
+ type of SectionType to return.
+ @param Buffer Buffer is a pointer to pointer to a buffer
+ in which the file or section contents or are
+ returned.
+ @param BufferSize BufferSize is a pointer to caller allocated
+ UINTN.
+ @param AuthenticationStatus AuthenticationStatus is a pointer to a
+ caller allocated UINT32 in which the
+ authentication status is returned.
+
+ @retval EFI_SUCCESS Successfully read the file section into
+ buffer.
+ @retval EFI_WARN_BUFFER_TOO_SMALL Buffer too small.
+ @retval EFI_NOT_FOUND Section not found.
+ @retval EFI_DEVICE_ERROR Device error.
+ @retval EFI_ACCESS_DENIED Could not read.
+ @retval EFI_INVALID_PARAMETER Invalid parameter.
+
+**/
+EFI_STATUS
+EFIAPI
+FvReadFileSection (
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
+ IN CONST EFI_GUID *NameGuid,
+ IN EFI_SECTION_TYPE SectionType,
+ IN UINTN SectionInstance,
+ IN OUT VOID **Buffer,
+ IN OUT UINTN *BufferSize,
+ OUT UINT32 *AuthenticationStatus
+ );
+
+
+/**
+ Writes one or more files to the firmware volume.
+
+ @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
+ @param NumberOfFiles Number of files.
+ @param WritePolicy WritePolicy indicates the level of reliability
+ for the write in the event of a power failure or
+ other system failure during the write operation.
+ @param FileData FileData is an pointer to an array of
+ EFI_FV_WRITE_DATA. Each element of array
+ FileData represents a file to be written.
+
+ @retval EFI_SUCCESS Files successfully written to firmware volume
+ @retval EFI_OUT_OF_RESOURCES Not enough buffer to be allocated.
+ @retval EFI_DEVICE_ERROR Device error.
+ @retval EFI_WRITE_PROTECTED Write protected.
+ @retval EFI_NOT_FOUND Not found.
+ @retval EFI_INVALID_PARAMETER Invalid parameter.
+ @retval EFI_UNSUPPORTED This function not supported.
+
+**/
+EFI_STATUS
+EFIAPI
+FvWriteFile (
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
+ IN UINT32 NumberOfFiles,
+ IN EFI_FV_WRITE_POLICY WritePolicy,
+ IN EFI_FV_WRITE_FILE_DATA *FileData
+ );
+
+
+/**
+ Return information of type InformationType for the requested firmware
+ volume.
+
+ @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
+ @param InformationType InformationType for requested.
+ @param BufferSize On input, size of Buffer.On output, the amount of data
+ returned in Buffer.
+ @param Buffer A poniter to the data buffer to return.
+
+ @retval EFI_SUCCESS Successfully got volume Information.
+
+**/
+EFI_STATUS
+EFIAPI
+FvGetVolumeInfo (
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
+ IN CONST EFI_GUID *InformationType,
+ IN OUT UINTN *BufferSize,
+ OUT VOID *Buffer
+ );
+
+
+
+/**
+ Set information of type InformationType for the requested firmware
+ volume.
+
+ @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
+ @param InformationType InformationType for requested.
+ @param BufferSize On input, size of Buffer.On output, the amount of data
+ returned in Buffer.
+ @param Buffer A poniter to the data buffer to return.
+
+ @retval EFI_SUCCESS Successfully set volume Information.
+
+**/
+EFI_STATUS
+EFIAPI
+FvSetVolumeInfo (
+ IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
+ IN CONST EFI_GUID *InformationType,
+ IN UINTN BufferSize,
+ IN CONST VOID *Buffer
+ );
+
+
+
+/**
+ Check if a block of buffer is erased.
+
+ @param ErasePolarity Erase polarity attribute of the firmware volume
+ @param InBuffer The buffer to be checked
+ @param BufferSize Size of the buffer in bytes
+
+ @retval TRUE The block of buffer is erased
+ @retval FALSE The block of buffer is not erased
+
+**/
+BOOLEAN
+IsBufferErased (
+ IN UINT8 ErasePolarity,
+ IN VOID *InBuffer,
+ IN UINTN BufferSize
+ );
+
+
+/**
+ Get the FFS file state by checking the highest bit set in the header's state field.
+
+ @param ErasePolarity Erase polarity attribute of the firmware volume
+ @param FfsHeader Points to the FFS file header
+
+ @return FFS File state
+
+**/
+EFI_FFS_FILE_STATE
+GetFileState (
+ IN UINT8 ErasePolarity,
+ IN EFI_FFS_FILE_HEADER *FfsHeader
+ );
+
+
+/**
+ Set the FFS file state.
+
+ @param State The state to be set.
+ @param FfsHeader Points to the FFS file header
+
+ @return None.
+
+**/
+VOID
+SetFileState (
+ IN UINT8 State,
+ IN EFI_FFS_FILE_HEADER *FfsHeader
+ );
+
+
+/**
+ Verify checksum of the firmware volume header.
+
+ @param FvHeader Points to the firmware volume header to be checked
+
+ @retval TRUE Checksum verification passed
+ @retval FALSE Checksum verification failed
+
+**/
+BOOLEAN
+VerifyFvHeaderChecksum (
+ IN EFI_FIRMWARE_VOLUME_HEADER *FvHeader
+ );
+
+
+/**
+ Check if it's a valid FFS file header.
+
+ @param ErasePolarity Erase polarity attribute of the firmware volume
+ @param FfsHeader Points to the FFS file header to be checked
+ @param FileState FFS file state to be returned
+
+ @retval TRUE Valid FFS file header
+ @retval FALSE Invalid FFS file header
+
+**/
+BOOLEAN
+IsValidFfsHeader (
+ IN UINT8 ErasePolarity,
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ OUT EFI_FFS_FILE_STATE *FileState
+ );
+
+
+/**
+ Check if it's a valid FFS file.
+ Here we are sure that it has a valid FFS file header since we must call IsValidFfsHeader() first.
+
+ @param ErasePolarity Erase polarity attribute of the firmware volume
+ @param FfsHeader Points to the FFS file to be checked
+
+ @retval TRUE Valid FFS file
+ @retval FALSE Invalid FFS file
+
+**/
+BOOLEAN
+IsValidFfsFile (
+ IN UINT8 ErasePolarity,
+ IN EFI_FFS_FILE_HEADER *FfsHeader
+ );
+
+
+/**
+ given the supplied FW_VOL_BLOCK_PROTOCOL, allocate a buffer for output and
+ copy the volume header into it.
+
+ @param Fvb The FW_VOL_BLOCK_PROTOCOL instance from which to
+ read the volume header
+ @param FwVolHeader Pointer to pointer to allocated buffer in which
+ the volume header is returned.
+
+ @retval EFI_OUT_OF_RESOURCES No enough buffer could be allocated.
+ @retval EFI_SUCCESS Successfully read volume header to the allocated
+ buffer.
+
+**/
+EFI_STATUS
+GetFwVolHeader (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb,
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader
+ );
+
+
+
+/**
+ Check if an FV is consistent and allocate cache for it.
+
+ @param FvDevice A pointer to the FvDevice to be checked.
+
+ @retval EFI_OUT_OF_RESOURCES No enough buffer could be allocated.
+ @retval EFI_SUCCESS FV is consistent and cache is allocated.
+ @retval EFI_VOLUME_CORRUPTED File system is corrupted.
+
+**/
+EFI_STATUS
+FvCheck (
+ IN OUT FV_DEVICE *FvDevice
+ );
+
+#endif
diff --git a/MdeModulePkg/Core/Dxe/FwVol/FwVolRead.c b/MdeModulePkg/Core/Dxe/FwVol/FwVolRead.c index fbf6d0a..e7cac45 100644 --- a/MdeModulePkg/Core/Dxe/FwVol/FwVolRead.c +++ b/MdeModulePkg/Core/Dxe/FwVol/FwVolRead.c @@ -13,10 +13,10 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/
#include "DxeMain.h"
+#include "FwVolDriver.h"
-/*++
-
-Required Alignment Alignment Value in FFS Alignment Value in
+/**
+Required Alignment Alignment Value in FFS Alignment Value in
(bytes) Attributes Field Firmware Volume Interfaces
1 0 0
2 0 1
@@ -29,9 +29,7 @@ Required Alignment Alignment Value in FFS Alignment Value in 4 KB 5 12
32 KB 6 15
64 KB 7 16
-
---*/
-
+**/
UINT8 mFvAttributes[] = {0, 4, 7, 9, 10, 12, 15, 16};
diff --git a/MdeModulePkg/Core/Dxe/FwVol/FwVolWrite.c b/MdeModulePkg/Core/Dxe/FwVol/FwVolWrite.c index 1e0263e..b54053e 100644 --- a/MdeModulePkg/Core/Dxe/FwVol/FwVolWrite.c +++ b/MdeModulePkg/Core/Dxe/FwVol/FwVolWrite.c @@ -13,7 +13,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/
#include "DxeMain.h"
-
+#include "FwVolDriver.h"
/**
|