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Diffstat (limited to 'ShellPkg/Include/Protocol/EfiShell.h')
-rw-r--r--ShellPkg/Include/Protocol/EfiShell.h222
1 files changed, 107 insertions, 115 deletions
diff --git a/ShellPkg/Include/Protocol/EfiShell.h b/ShellPkg/Include/Protocol/EfiShell.h
index f67ab82e5b..fd9064fe68 100644
--- a/ShellPkg/Include/Protocol/EfiShell.h
+++ b/ShellPkg/Include/Protocol/EfiShell.h
@@ -1,14 +1,14 @@
/** @file
EFI Shell protocol as defined in the UEFI Shell 2.0 specification including errata.
-
- Copyright (c) 2006 - 2009, 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
- 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.
+ Copyright (c) 2006 - 2010, 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
+ 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.
**/
@@ -50,11 +50,11 @@ BOOLEAN
/**
Closes the file handle.
- This function closes a specified file handle. All 'dirty' cached file data is
- flushed to the device, and the file is closed. In all cases, the handle is
+ This function closes a specified file handle. All 'dirty' cached file data is
+ flushed to the device, and the file is closed. In all cases, the handle is
closed.
- @param[in] FileHandle The file handle to be closed
+ @param[in] FileHandle The file handle to be closed.
@retval EFI_SUCCESS The file closed sucessfully.
**/
@@ -70,22 +70,22 @@ EFI_STATUS
This function creates an empty new file or directory with the specified attributes and
returns the new file's handle. If the file already exists and is read-only, then
EFI_INVALID_PARAMETER will be returned.
-
+
If the file already existed, it is truncated and its attributes updated. If the file is
created successfully, the FileHandle is the file's handle, else, the FileHandle is NULL.
-
+
If the file name begins with >v, then the file handle which is returned refers to the
shell environment variable with the specified name. If the shell environment variable
already exists and is non-volatile then EFI_INVALID_PARAMETER is returned.
- @param[in] FileName Pointer to null-terminated file path.
+ @param[in] FileName Pointer to NULL-terminated file path.
@param[in] FileAttribs The new file's attrbiutes. the different attributes are
described in EFI_FILE_PROTOCOL.Open().
@param[out] FileHandle On return, points to the created file handle or directory's handle
@retval EFI_SUCCESS The file was opened. FileHandle points to the new file's handle.
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
- @retval EFI_UNSUPPORTED could not open the file path
+ @retval EFI_UNSUPPORTED The file path could not be opened.
@retval EFI_NOT_FOUND The specified file could not be found on the device, or could not
file the file system on the device.
@retval EFI_NO_MEDIA The device has no medium.
@@ -117,7 +117,7 @@ EFI_STATUS
@param[in] FileHandle The file handle to delete.
- @retval EFI_SUCCESS The file was closed and deleted, and the handle was closed.
+ @retval EFI_SUCCESS The file was closed and deleted and the handle was closed.
@retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.
**/
typedef
@@ -131,9 +131,9 @@ EFI_STATUS
This function deletes a file.
- @param[in] FileName Points to the null-terminated file name.
+ @param[in] FileName Points to the NULL-terminated file name.
- @retval EFI_SUCCESS The file was closed and deleted, and the handle was closed.
+ @retval EFI_SUCCESS The file was deleted.
@retval EFI_WARN_DELETE_FAILURE The handle was closed but the file was not deleted.
**/
typedef
@@ -148,8 +148,8 @@ EFI_STATUS
typedef
VOID
(EFIAPI *EFI_SHELL_DISABLE_PAGE_BREAK) (
-VOID
-);
+ VOID
+ );
/**
Enables the page break output mode.
@@ -157,8 +157,8 @@ VOID
typedef
VOID
(EFIAPI *EFI_SHELL_ENABLE_PAGE_BREAK) (
-VOID
-);
+ VOID
+ );
/**
Execute the command line.
@@ -166,26 +166,26 @@ VOID
This function creates a nested instance of the shell and executes the specified
command (CommandLine) with the specified environment (Environment). Upon return,
the status code returned by the specified command is placed in StatusCode.
-
+
If Environment is NULL, then the current environment is used and all changes made
by the commands executed will be reflected in the current environment. If the
Environment is non-NULL, then the changes made will be discarded.
-
+
The CommandLine is executed from the current working directory on the current
device.
- @param[in] ParentImageHandle A handle of the image that is executing the specified
- command line.
- @param[in] CommandLine Points to the null-terminated UCS-2 encoded string
+ @param[in] ParentImageHandle A handle of the image that is executing the specified
+ command line.
+ @param[in] CommandLine Points to the NULL-terminated UCS-2 encoded string
containing the command line. If NULL then the command-
line will be empty.
- @param[in] Environment Points to a null-terminated array of environment
- variables with the format 'x=y', where x is the
+ @param[in] Environment Points to a NULL-terminated array of environment
+ variables with the format 'x=y', where x is the
environment variable name and y is the value. If this
is NULL, then the current shell environment is used.
@param[out] ErrorCode Points to the status code returned by the command.
- @retval EFI_SUCCESS The command executed successfully. The status code
+ @retval EFI_SUCCESS The command executed successfully. The status code
returned by the command is pointed to by StatusCode.
@retval EFI_INVALID_PARAMETER The parameters are invalid.
@retval EFI_OUT_OF_RESOURCES Out of resources.
@@ -210,9 +210,9 @@ EFI_STATUS
The files in the file list are not opened. The OpenMode field is set to 0 and the FileInfo
field is set to NULL.
- @param[in] FilePattern Points to a null-terminated shell file path, including wildcards.
- @param[out] FileList On return, points to the start of a file list containing the names
- of all matching files or else points to NULL if no matching files
+ @param[in] FilePattern Points to a NULL-terminated shell file path, including wildcards.
+ @param[out] FileList On return, points to the start of a file list containing the names
+ of all matching files or else points to NULL if no matching files
were found.
@retval EFI_SUCCESS Files found.
@@ -232,7 +232,7 @@ EFI_STATUS
Find all files in a specified directory.
@param[in] FileDirHandle Handle of the directory to search.
- @param[out] FileList On return, points to the list of files in the directory
+ @param[out] FileList On return, points to the list of files in the directory
or NULL if there are no files in the directory.
@retval EFI_SUCCESS File information was returned successfully.
@@ -249,10 +249,10 @@ OUT EFI_SHELL_FILE_INFO **FileList
/**
Flushes data back to a device.
-
+
This function flushes all modified data associated with a file to a device.
- @param[in] FileHandle The handle of the file to flush
+ @param[in] FileHandle The handle of the file to flush.
@retval EFI_SUCCESS The data was flushed.
@retval EFI_NO_MEDIA The device has no medium.
@@ -270,12 +270,12 @@ EFI_STATUS
/**
Frees the file list.
-
+
This function cleans up the file list and any related data structures. It has no
impact on the files themselves.
- @param[in] FileList The file list to free. Type EFI_SHELL_FILE_INFO is
- defined in OpenFileList()
+ @param[in] FileList The file list to free. Type EFI_SHELL_FILE_INFO is
+ defined in OpenFileList().
@retval EFI_SUCCESS Free the file list successfully.
**/
@@ -293,9 +293,9 @@ EFI_STATUS
FileSystemMapping. In both cases, the returned name includes the file system
mapping (i.e. fs0:\current-dir).
- @param[in] FileSystemMapping A pointer to the file system mapping. If NULL,
+ @param[in] FileSystemMapping A pointer to the file system mapping. If NULL,
then the current working directory is returned.
-
+
@retval !=NULL The current directory.
@retval NULL Current directory does not exist.
**/
@@ -327,13 +327,13 @@ typedef UINT32 EFI_SHELL_DEVICE_NAME_FLAGS;
EFI_DEVICE_NAME_USE_COMPONENT_NAME will have higher priority.
@param[in] DeviceHandle The handle of the device.
- @param[in] Flags Determines the possible sources of component names.
- @param[in] Language A pointer to the language specified for the device
- name, in the same format as described in the UEFI
+ @param[in] Flags Determines the possible sources of component names.
+ @param[in] Language A pointer to the language specified for the device
+ name, in the same format as described in the UEFI
specification, Appendix M.
- @param[out] BestDeviceName On return, points to the callee-allocated null-
- terminated name of the device. If no device name
- could be found, points to NULL. The name must be
+ @param[out] BestDeviceName On return, points to the callee-allocated NULL-
+ terminated name of the device. If no device name
+ could be found, points to NULL. The name must be
freed by the caller...
@retval EFI_SUCCESS Get the name successfully.
@@ -355,10 +355,10 @@ EFI_STATUS
@param[in] Mapping A pointer to the mapping
- @retval !=NULL Pointer to the device path that corresponds to the
- device mapping. The returned pointer does not need
+ @retval !=NULL Pointer to the device path that corresponds to the
+ device mapping. The returned pointer does not need
to be freed.
- @retval NULL There is no device path associated with the
+ @retval NULL There is no device path associated with the
specified mapping.
**/
typedef
@@ -375,7 +375,7 @@ CONST EFI_DEVICE_PATH_PROTOCOL *
@param[in] Path The pointer to the path.
- @return The pointer of the file path. The file path is callee
+ @return The pointer of the file path. The file path is callee
allocated and should be freed by the caller.
**/
typedef
@@ -385,28 +385,26 @@ EFI_DEVICE_PATH_PROTOCOL *
);
/**
- This function updated with errata.
-
Gets either a single or list of environment variables.
- If name is not NULL then this function returns the current value of the specified
+ If name is not NULL then this function returns the current value of the specified
environment variable.
- If Name is NULL than a list of all environment variable names is returned. Each a
+ If Name is NULL than a list of all environment variable names is returned. Each a
NULL terminated string with a double NULL terminating the list.
- @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
+ @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.
- @return !=NULL A pointer to the returned string.
+ @return A pointer to the returned string.
The returned pointer does not need to be freed by the caller.
- @retval NULL The environment variable doesn't exist or there are
+ @retval NULL The environment variable doesn't exist or there are
no environment variables.
**/
typedef
@@ -423,8 +421,8 @@ CONST CHAR16 *
@param[in] FileHandle A File Handle.
- @return !=NULL Cannot get the file info.
- @return NULL A pointer to a buffer with file information.
+ @retval NULL Cannot get the file info.
+ @return A pointer to a buffer with file information.
**/
typedef
EFI_FILE_INFO *
@@ -439,9 +437,9 @@ EFI_FILE_INFO *
the device path with the file-system mapping. If there are more than one application
file system mappings, the one that most closely matches Path will be used.
- @param[in] Path The pointer to the device path
+ @param[in] Path The pointer to the device path.
- @return all The pointer of the null-terminated file path. The path
+ @return The pointer of the NULL-terminated file path. The path
is callee-allocated and should be freed by the caller.
**/
typedef
@@ -458,7 +456,7 @@ CHAR16 *
operation is not supported.
@param[in] FileHandle The file handle on which to get the current position.
- @paramp[out] Position Byte position from the start of the file.
+ @param[out] Position Byte position from the start of the file.
@retval EFI_SUCCESS Data was accessed.
@retval EFI_UNSUPPORTED The request is not valid on open directories.
@@ -493,22 +491,22 @@ EFI_STATUS
This function returns the help information for the specified command. The help text
can be internal to the shell or can be from a UEFI Shell manual page.
-
+
If Sections is specified, then each section name listed will be compared in a casesensitive
manner, to the section names described in Appendix B. If the section exists,
it will be appended to the returned help text. If the section does not exist, no
information will be returned. If Sections is NULL, then all help text information
available will be returned.
- @param[in] Command Points to the null-terminated UEFI Shell command name.
- @param[in] Sections Points to the null-terminated comma-delimited
- section names to return. If NULL, then all
+ @param[in] Command Points to the NULL-terminated UEFI Shell command name.
+ @param[in] Sections Points to the NULL-terminated comma-delimited
+ section names to return. If NULL, then all
sections will be returned.
- @param[out] HelpText On return, points to a callee-allocated buffer
+ @param[out] HelpText On return, points to a callee-allocated buffer
containing all specified help text.
@retval EFI_SUCCESS The help text was returned.
- @retval EFI_OUT_OF_RESOURCES The necessary buffer could not be allocated to hold the
+ @retval EFI_OUT_OF_RESOURCES The necessary buffer could not be allocated to hold the
returned help text.
@retval EFI_INVALID_PARAMETER HelpText is NULL.
@retval EFI_NOT_FOUND There is no help text available for Command.
@@ -522,8 +520,6 @@ EFI_STATUS
);
/**
- This funciton is updated with Errata.
-
Gets the mapping(s) that most closely matches the device path.
This function gets the mapping which corresponds to the device path *DevicePath. If
@@ -532,15 +528,15 @@ EFI_STATUS
device path. If there is an exact match, the mapping is returned and *DevicePath
points to the end-of-device-path node.
- If there are multiple map names they will be semi-colon seperated in the
+ If there are multiple map names they will be semi-colon seperated in the
NULL-terminated string.
- @param[in,out] DevicePath On entry, points to a device path pointer. On
- exit, updates the pointer to point to the
+ @param[in,out] DevicePath On entry, points to a device path pointer. On
+ exit, updates the pointer to point to the
portion of the device path after the mapping.
@retval NULL No mapping was found.
- @retval !=NULL Pointer to null-terminated mapping. The buffer
+ @retval !=NULL Pointer to NULL-terminated mapping. The buffer
is callee allocated and should be freed by the caller.
**/
typedef
@@ -582,34 +578,34 @@ VOID
This function opens the specified file in the specified OpenMode and returns a file
handle.
- If the file name begins with >v, then the file handle which is returned refers to the
+ If the file name begins with '>v', then the file handle which is returned refers to the
shell environment variable with the specified name. If the shell environment variable
exists, is non-volatile and the OpenMode indicates EFI_FILE_MODE_WRITE, then
EFI_INVALID_PARAMETER is returned.
- If the file name is >i, then the file handle which is returned refers to the standard
+ If the file name is '>i', then the file handle which is returned refers to the standard
input. If the OpenMode indicates EFI_FILE_MODE_WRITE, then EFI_INVALID_PARAMETER
is returned.
- If the file name is >o, then the file handle which is returned refers to the standard
+ If the file name is '>o', then the file handle which is returned refers to the standard
output. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER
is returned.
- If the file name is >e, then the file handle which is returned refers to the standard
+ If the file name is '>e', then the file handle which is returned refers to the standard
error. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER
is returned.
- If the file name is NUL, then the file handle that is returned refers to the standard NUL
+ If the file name is 'NUL', then the file handle that is returned refers to the standard NUL
file. If the OpenMode indicates EFI_FILE_MODE_READ, then EFI_INVALID_PARAMETER is
returned.
If return EFI_SUCCESS, the FileHandle is the opened file's handle, else, the
FileHandle is NULL.
- @param[in] FileName Points to the null-terminated UCS-2 encoded file name.
+ @param[in] FileName Points to the NULL-terminated UCS-2 encoded file name.
@param[out] FileHandle On return, points to the file handle.
- @param[in] OpenMode File open mode. Either EFI_FILE_MODE_READ or
- EFI_FILE_MODE_WRITE from section 12.4 of the UEFI
+ @param[in] OpenMode File open mode. Either EFI_FILE_MODE_READ or
+ EFI_FILE_MODE_WRITE from section 12.4 of the UEFI
Specification.
@retval EFI_SUCCESS The file was opened. FileHandle has the opened file's handle.
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value. FileHandle is NULL.
@@ -641,7 +637,7 @@ EFI_STATUS
Opens the files that match the path specified.
This function opens all of the files specified by Path. Wildcards are processed
- according to the rules specified in UEFI Shell 2.0 spec section 3.7.1. Each
+ according to the rules specified in UEFI Shell 2.0 spec section 3.7.1. Each
matching file has an EFI_SHELL_FILE_INFO structure created in a linked list.
@param[in] Path A pointer to the path string.
@@ -745,23 +741,18 @@ EFI_STATUS
IN EFI_SHELL_FILE_INFO **FileList
);
-//
-// The SetAlias and GetAlias functions were affected by errata.
-// They are not UEFI Shell 2.0 (no errata) compliant.
-//
-
/**
Changes a shell command alias.
This function creates an alias for a shell command.
- @param[in] Command Points to the null-terminated shell command or existing alias.
- @param[in] Alias Points to the null-terminated alias for the shell command. If this is NULL, and
+ @param[in] Command Points to the NULL-terminated shell command or existing alias.
+ @param[in] Alias Points to the NULL-terminated alias for the shell command. If this is NULL, and
Command refers to an alias, that alias will be deleted.
@param[in] Replace If TRUE and the alias already exists, then the existing alias will be replaced. If
FALSE and the alias already exists, then the existing alias is unchanged and
EFI_ACCESS_DENIED is returned.
- @param[in] Volatile if TRUE the Alias being set will be stored in a volatile fashion. if FALSE the
+ @param[in] Volatile if TRUE the Alias being set will be stored in a volatile fashion. if FALSE the
Alias being set will be stored in a non-volatile fashion.
@retval EFI_SUCCESS Alias created or deleted successfully.
@@ -781,20 +772,20 @@ EFI_STATUS
This function returns the command associated with a alias or a list of all
alias'.
- @param[in] Alias Points to the null-terminated shell alias.
- If this parameter is NULL, then all
+ @param[in] Alias Points to the NULL-terminated shell alias.
+ If this parameter is NULL, then all
aliases will be returned in ReturnedData.
@param[out] Volatile Upon return of a single command if TRUE indicates
this is stored in a volatile fashion. FALSE otherwise.
- @return If Alias is not NULL, it will return a pointer to
- the null-terminated command for that alias.
- If Alias is NULL, ReturnedData points to a ';'
- delimited list of alias (e.g.
- ReturnedData = "dir;del;copy;mfp") that is null-terminated.
+ @return If Alias is not NULL, it will return a pointer to
+ the NULL-terminated command for that alias.
+ If Alias is NULL, ReturnedData points to a ';'
+ delimited list of alias (e.g.
+ ReturnedData = "dir;del;copy;mfp") that is NULL-terminated.
@retval NULL An error ocurred.
@retval NULL Alias was not a valid Alias.
**/
-typedef
+typedef
CONST CHAR16 *
(EFIAPI *EFI_SHELL_GET_ALIAS)(
IN CONST CHAR16 *Alias,
@@ -816,14 +807,14 @@ CONST CHAR16 *
directory on the specified file system.
If the current working directory or the current working file system is changed then the
- %cwd% environment variable will be updated
+ %cwd% environment variable will be updated.
@param[in] FileSystem A pointer to the file system's mapped name. If NULL, then the current working
directory is changed.
- @param[in] Dir Points to the null-terminated directory on the device specified by FileSystem.
+ @param[in] Dir Points to the NULL-terminated directory on the device specified by FileSystem.
- @return !=NULL The current directory.
@retval NULL Current directory does not exist.
+ @return The current directory.
**/
typedef
EFI_STATUS
@@ -842,12 +833,12 @@ EFI_STATUS
variable does not exist and the Value is an empty string, there is no action. If the
environment variable does not exist and the Value is a non-empty string, then the
environment variable is created and assigned the specified value.
-
- For a description of volatile and non-volatile environment variables, see UEFI Shell
+
+ For a description of volatile and non-volatile environment variables, see UEFI Shell
2.0 specification section 3.6.1.
- @param[in] Name Points to the null-terminated environment variable name.
- @param[in] Value Points to the null-terminated environment variable value. If the value is an
+ @param[in] Name Points to the NULL-terminated environment variable name.
+ @param[in] Value Points to the NULL-terminated environment variable value. If the value is an
empty string then the environment variable is deleted.
@param[in] Volatile Indicates whether the variable is non-volatile (FALSE) or volatile (TRUE).
@@ -864,9 +855,10 @@ EFI_STATUS
/**
Sets the file information to an opened file handle.
- This function changes file information.
+ This function changes file information. All file information in the EFI_FILE_INFO
+ struct will be updated to the passed in data.
- @param[in] FileHandle A file handle
+ @param[in] FileHandle A file handle.
@param[in] FileInfo Points to new file information.
@retval EFI_SUCCESS The information was set.
@@ -912,7 +904,7 @@ EFI_STATUS
@param[in] DevicePath Points to the device path. If this is NULL and Mapping points to a valid mapping,
then the mapping will be deleted.
- @param[in] Mapping Points to the null-terminated mapping for the device path.
+ @param[in] Mapping Points to the NULL-terminated mapping for the device path.
@retval EFI_SUCCESS Mapping created or deleted successfully.
@retval EFI_NO_MAPPING There is no handle that corresponds exactly to DevicePath. See the
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 15:38:47 +0000