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This adds the new APIs for UEFI Shell 2.1 and makes a new structure for shell implementations that are conformant to this new spec. It does not affect existing implementations. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15752 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jaben Carsey 2014-08-05 17:52:18 +00:00 committed by jcarsey
parent 5ce0e51851
commit 044ea4e54e
1 changed files with 156 additions and 2 deletions
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158
ShellPkg/Include/Protocol/EfiShell.h
View File

@ -1,7 +1,7 @@
/** @file
EFI Shell protocol as defined in the UEFI Shell 2.0 specification including errata.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
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
@ -413,6 +413,35 @@ CONST CHAR16 *
IN CONST CHAR16 *Name OPTIONAL
);
/**
Gets the environment variable and Attributes, or list of environment variables. Can be
used instead of GetEnv().
This function returns the current value of the specified environment variable and
the Attributes. If no variable name was specified, then all of the known
variables will be returned.
@param[in] Name A pointer to the environment variable name. If Name is NULL,
then the function will return all of the defined shell
environment variables. In the case where multiple environment
variables are being returned, each variable will be terminated
by a NULL, and the list will be terminated by a double NULL.
@param[out] Attributes If not NULL, a pointer to the returned attributes bitmask for
the environment variable. In the case where Name is NULL, and
multiple environment variables are being returned, Attributes
is undefined.
@retval NULL The environment variable doesn’t exist.
@return The environment variable’s value. The returned pointer does not
need to be freed by the caller.
**/
typedef
CONST CHAR16 *
(EFIAPI *EFI_SHELL_GET_ENV_EX) (
IN CONST CHAR16 *Name,
OUT UINT32 *Attributes OPTIONAL
);
/**
Gets the file information from an open file handle.
@ -486,6 +515,54 @@ EFI_STATUS
OUT UINT64 *Size
);
/**
Get the GUID value from a human readable name.
If GuidName is a known GUID name, then update Guid to have the correct value for
that GUID.
This function is only available when the major and minor versions in the
EfiShellProtocol are greater than or equal to 2 and 1, respectively.
@param[in] GuidName A pointer to the localized name for the GUID being queried.
@param[out] Guid A pointer to the GUID structure to be filled in.
@retval EFI_SUCCESS The operation was successful.
@retval EFI_INVALID_PARAMETER Guid was NULL.
@retval EFI_INVALID_PARAMETER GuidName was NULL.
@retval EFI_NOT_FOUND GuidName is not a known GUID Name.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SHELL_GET_GUID_FROM_NAME)(
IN CONST CHAR16 *GuidName,
OUT EFI_GUID *Guid
);
/**
Get the human readable name for a GUID from the value.
If Guid is assigned a name, then update *GuidName to point to the name. The callee
should not modify the value.
This function is only available when the major and minor versions in the
EfiShellProtocol are greater than or equal to 2 and 1, respectively.
@param[in] Guid A pointer to the GUID being queried.
@param[out] GuidName A pointer to a pointer the localized to name for the GUID being requested
@retval EFI_SUCCESS The operation was successful.
@retval EFI_INVALID_PARAMETER Guid was NULL.
@retval EFI_INVALID_PARAMETER GuidName was NULL.
@retval EFI_NOT_FOUND Guid is not assigned a name.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SHELL_GET_GUID_NAME)(
IN CONST EFI_GUID *Guid,
OUT CONST CHAR16 **GuidName
);
/**
Return help information about a specific command.
@ -728,6 +805,30 @@ EFI_STATUS
IN OUT VOID *Buffer
);
/**
Register a GUID and a localized human readable name for it.
If Guid is not assigned a name, then assign GuidName to Guid. This list of GUID
names must be used whenever a shell command outputs GUID information.
This function is only available when the major and minor versions in the
EfiShellProtocol are greater than or equal to 2 and 1, respectively.
@param[in] Guid A pointer to the GUID being registered.
@param[in] GuidName A pointer to the localized name for the GUID being registered.
@retval EFI_SUCCESS The operation was successful.
@retval EFI_INVALID_PARAMETER Guid was NULL.
@retval EFI_INVALID_PARAMETER GuidName was NULL.
@retval EFI_ACCESS_DENIED Guid already is assigned a name.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SHELL_REGISTER_GUID_NAME)(
IN CONST EFI_GUID *Guid,
IN CONST CHAR16 *GuidName
);
/**
Deletes the duplicate file names files in the given file list.
@ -995,11 +1096,64 @@ typedef struct _EFI_SHELL_PROTOCOL {
UINT32 MinorVersion;
} EFI_SHELL_PROTOCOL;
//
// The new structure with extra functions for UEFI Shell Specification 2.1
//
typedef struct _EFI_SHELL_PROTOCOL21 {
EFI_SHELL_EXECUTE Execute;
EFI_SHELL_GET_ENV GetEnv;
EFI_SHELL_SET_ENV SetEnv;
EFI_SHELL_GET_ALIAS GetAlias;
EFI_SHELL_SET_ALIAS SetAlias;
EFI_SHELL_GET_HELP_TEXT GetHelpText;
EFI_SHELL_GET_DEVICE_PATH_FROM_MAP GetDevicePathFromMap;
EFI_SHELL_GET_MAP_FROM_DEVICE_PATH GetMapFromDevicePath;
EFI_SHELL_GET_DEVICE_PATH_FROM_FILE_PATH GetDevicePathFromFilePath;
EFI_SHELL_GET_FILE_PATH_FROM_DEVICE_PATH GetFilePathFromDevicePath;
EFI_SHELL_SET_MAP SetMap;
EFI_SHELL_GET_CUR_DIR GetCurDir;
EFI_SHELL_SET_CUR_DIR SetCurDir;
EFI_SHELL_OPEN_FILE_LIST OpenFileList;
EFI_SHELL_FREE_FILE_LIST FreeFileList;
EFI_SHELL_REMOVE_DUP_IN_FILE_LIST RemoveDupInFileList;
EFI_SHELL_BATCH_IS_ACTIVE BatchIsActive;
EFI_SHELL_IS_ROOT_SHELL IsRootShell;
EFI_SHELL_ENABLE_PAGE_BREAK EnablePageBreak;
EFI_SHELL_DISABLE_PAGE_BREAK DisablePageBreak;
EFI_SHELL_GET_PAGE_BREAK GetPageBreak;
EFI_SHELL_GET_DEVICE_NAME GetDeviceName;
EFI_SHELL_GET_FILE_INFO GetFileInfo;
EFI_SHELL_SET_FILE_INFO SetFileInfo;
EFI_SHELL_OPEN_FILE_BY_NAME OpenFileByName;
EFI_SHELL_CLOSE_FILE CloseFile;
EFI_SHELL_CREATE_FILE CreateFile;
EFI_SHELL_READ_FILE ReadFile;
EFI_SHELL_WRITE_FILE WriteFile;
EFI_SHELL_DELETE_FILE DeleteFile;
EFI_SHELL_DELETE_FILE_BY_NAME DeleteFileByName;
EFI_SHELL_GET_FILE_POSITION GetFilePosition;
EFI_SHELL_SET_FILE_POSITION SetFilePosition;
EFI_SHELL_FLUSH_FILE FlushFile;
EFI_SHELL_FIND_FILES FindFiles;
EFI_SHELL_FIND_FILES_IN_DIR FindFilesInDir;
EFI_SHELL_GET_FILE_SIZE GetFileSize;
EFI_SHELL_OPEN_ROOT OpenRoot;
EFI_SHELL_OPEN_ROOT_BY_HANDLE OpenRootByHandle;
EFI_EVENT ExecutionBreak;
UINT32 MajorVersion;
UINT32 MinorVersion;
// Added for Shell 2.1
EFI_SHELL_REGISTER_GUID_NAME RegisterGuidName;
EFI_SHELL_GET_GUID_NAME GetGuidName;
EFI_SHELL_GET_GUID_FROM_NAME GetGuidFromName;
EFI_SHELL_GET_ENV_EX GetEnvEx;
} EFI_SHELL_PROTOCOL21;
extern EFI_GUID gEfiShellProtocolGuid;
enum ShellVersion {
SHELL_MAJOR_VERSION = 2,
SHELL_MINOR_VERSION = 0
SHELL_MINOR_VERSION = 1
};
#endif