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Diffstat (limited to 'ShellPkg/Include/Library/HandleParsingLib.h')
| -rw-r--r-- | ShellPkg/Include/Library/HandleParsingLib.h | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/ShellPkg/Include/Library/HandleParsingLib.h b/ShellPkg/Include/Library/HandleParsingLib.h new file mode 100644 index 0000000000..f08768c152 --- /dev/null +++ b/ShellPkg/Include/Library/HandleParsingLib.h @@ -0,0 +1,342 @@ +/** @file
+ Provides interface to advanced shell functionality for parsing both handle and protocol database.
+
+ Copyright (c) 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.
+
+**/
+
+#ifndef __HANDLE_PARSING_LIB__
+#define __HANDLE_PARSING_LIB__
+
+#include <Uefi.h>
+
+/**
+ Function to get the name of a protocol or struct from it's GUID.
+
+ If Guid is NULL, then ASSERT.
+
+ @param[in] Guid The GUID to look for the name of.
+ @param[in] Lang The language to use.
+
+ @return The pointer to a string of the name. The caller
+ is responsible to free this memory.
+**/
+CHAR16*
+EFIAPI
+GetStringNameFromGuid(
+ IN CONST EFI_GUID *Guid,
+ IN CONST CHAR8 *Lang OPTIONAL
+ );
+
+/**
+ Function to get the Guid for a protocol or struct based on it's string name.
+
+ @param[in] Name The pointer to the string name.
+ @param[in] Lang The pointer to the language code (string).
+ @param[in] Guid The pointer to the pointer to the Guid.
+
+ @retval EFI_SUCCESS The operation was successful.
+**/
+EFI_STATUS
+EFIAPI
+GetGuidFromStringName(
+ IN CONST CHAR16 *Name,
+ IN CONST CHAR8 *Lang OPTIONAL,
+ IN EFI_GUID **Guid
+ );
+
+/**
+ Function to dump protocol information from a handle.
+
+ This function will return a allocated string buffer containing the
+ information. The caller is responsible for freeing the memory.
+
+ If Guid is NULL, ASSERT().
+ If TheHandle is NULL, ASSERT().
+
+ @param[in] TheHandle The handle to dump information from.
+ @param[in] Guid The GUID of the protocol to dump.
+ @param[in] Verbose TRUE for extra info. FALSE otherwise.
+
+ @return The pointer to string.
+ @retval NULL An error was encountered.
+**/
+CHAR16*
+EFIAPI
+GetProtocolInformationDump(
+ IN CONST EFI_HANDLE TheHandle,
+ IN CONST EFI_GUID *Guid,
+ IN CONST BOOLEAN Verbose
+ );
+
+/**
+ Function to retrieve the driver name (if possible) from the ComponentName or
+ ComponentName2 protocol.
+
+ The string returned must be callee freed.
+
+ @param[in] TheHandle The driver handle to get the name of.
+ @param[in] Language The language to use.
+
+ @retval NULL The name could not be found.
+ @return A pointer to the string name. Do not de-allocate the memory.
+**/
+CONST CHAR16*
+EFIAPI
+GetStringNameFromHandle(
+ IN CONST EFI_HANDLE TheHandle,
+ IN CONST CHAR8 *Language
+ );
+
+#define HR_UNKNOWN 0
+#define HR_IMAGE_HANDLE BIT1
+#define HR_DRIVER_BINDING_HANDLE BIT2 // has driver binding
+#define HR_DEVICE_DRIVER BIT3 // device driver (hybrid?)
+#define HR_BUS_DRIVER BIT4 // a bus driver (hybrid?)
+#define HR_DRIVER_CONFIGURATION_HANDLE BIT5
+#define HR_DRIVER_DIAGNOSTICS_HANDLE BIT6
+#define HR_COMPONENT_NAME_HANDLE BIT7
+#define HR_DEVICE_HANDLE BIT8
+#define HR_PARENT_HANDLE BIT9
+#define HR_CONTROLLER_HANDLE BIT10
+#define HR_CHILD_HANDLE BIT11
+#define HR_VALID_MASK (BIT1|BIT2|BIT3|BIT4|BIT5|BIT6|BIT7|BIT8|BIT9|BIT10|BIT11)
+
+/**
+ Gets all the related EFI_HANDLEs based on the mask supplied.
+
+ This function will scan all EFI_HANDLES in the UEFI environment's handle database
+ and return all the ones with the specified relationship (Mask) to the specified
+ controller handle.
+
+ If both DriverBindingHandle and ControllerHandle are NULL, then ASSERT.
+ If MatchingHandleCount is NULL, then ASSERT.
+
+ If MatchingHandleBuffer is not NULL upon a successful return, the memory must be
+ caller freed.
+
+ @param[in] DriverBindingHandle The handle with Driver Binding protocol on it.
+ @param[in] ControllerHandle The handle with Device Path protocol on it.
+ @param[in] Mask The mask of what relationship(s) is desired.
+ @param[in] MatchingHandleCount The pointer to UINTN specifying number of HANDLES in
+ MatchingHandleBuffer.
+ @param[out] MatchingHandleBuffer On a successful return, a buffer of MatchingHandleCount
+ EFI_HANDLEs with a terminating NULL EFI_HANDLE.
+
+ @retval EFI_SUCCESS The operation was successful, and any related handles
+ are in MatchingHandleBuffer.
+ @retval EFI_NOT_FOUND No matching handles were found.
+ @retval EFI_INVALID_PARAMETER A parameter was invalid or out of range.
+ @sa ParseHandleDatabaseByRelationshipWithType
+**/
+EFI_STATUS
+EFIAPI
+ParseHandleDatabaseByRelationship (
+ IN CONST EFI_HANDLE DriverBindingHandle OPTIONAL,
+ IN CONST EFI_HANDLE ControllerHandle OPTIONAL,
+ IN CONST UINTN Mask,
+ IN UINTN *MatchingHandleCount,
+ OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL
+ );
+
+/**
+ Gets all the related EFI_HANDLEs based on the mask supplied.
+
+ This function scans all EFI_HANDLES in the UEFI environment's handle database
+ and returns the ones with the specified relationship (Mask) to the specified
+ controller handle.
+
+ If both DriverBindingHandle and ControllerHandle are NULL, then ASSERT.
+ If MatchingHandleCount is NULL, then ASSERT.
+
+ If MatchingHandleBuffer is not NULL upon a successful return the memory must be
+ caller freed.
+
+ @param[in] DriverBindingHandle The handle with Driver Binding protocol on it.
+ @param[in] ControllerHandle The handle with Device Path protocol on it.
+ @param[in] MatchingHandleCount The pointer to UINTN that specifies the number of HANDLES in
+ MatchingHandleBuffer.
+ @param[out] MatchingHandleBuffer On a successful return, a buffer of MatchingHandleCount
+ EFI_HANDLEs with a terminating NULL EFI_HANDLE.
+ @param[out] HandleType An array of type information.
+
+ @retval EFI_SUCCESS The operation was successful, and any related handles
+ are in MatchingHandleBuffer.
+ @retval EFI_NOT_FOUND No matching handles were found.
+ @retval EFI_INVALID_PARAMETER A parameter was invalid or out of range.
+**/
+EFI_STATUS
+EFIAPI
+ParseHandleDatabaseByRelationshipWithType (
+ IN CONST EFI_HANDLE DriverBindingHandle OPTIONAL,
+ IN CONST EFI_HANDLE ControllerHandle OPTIONAL,
+ IN UINTN *HandleCount,
+ OUT EFI_HANDLE **HandleBuffer,
+ OUT UINTN **HandleType
+ );
+
+/**
+ Gets handles for any parents of the passed in controller.
+
+ @param[in] ControllerHandle The handle of the controller.
+ @param[in] Count The pointer to the number of handles in
+ MatchingHandleBuffer on return.
+ @param[out] Buffer The buffer containing handles on a successful
+ return.
+ @retval EFI_SUCCESS The operation was successful.
+ @sa ParseHandleDatabaseByRelationship
+**/
+#define PARSE_HANDLE_DATABASE_PARENTS(ControllerHandle, Count, Buffer) \
+ ParseHandleDatabaseByRelationship(NULL, ControllerHandle, HR_PARENT_HANDLE, Count, Buffer)
+
+/**
+ Gets handles for any UEFI drivers of the passed in controller.
+
+ @param[in] ControllerHandle The handle of the controller.
+ @param[in] Count The pointer to the number of handles in
+ MatchingHandleBuffer on return.
+ @param[out] Buffer The buffer containing handles on a successful
+ return.
+ @retval EFI_SUCCESS The operation was successful.
+ @sa ParseHandleDatabaseByRelationship
+**/
+#define PARSE_HANDLE_DATABASE_UEFI_DRIVERS(ControllerHandle, Count, Buffer) \
+ ParseHandleDatabaseByRelationship(NULL, ControllerHandle, HR_DRIVER_BINDING_HANDLE|HR_DEVICE_DRIVER, Count, Buffer)
+
+/**
+ Gets handles for any children of the passed in controller by the passed in driver handle.
+
+ @param[in] DriverHandle The handle of the driver.
+ @param[in] ControllerHandle The handle of the controller.
+ @param[in] Count The pointer to the number of handles in
+ MatchingHandleBuffer on return.
+ @param[out] Buffer The buffer containing handles on a successful
+ return.
+ @retval EFI_SUCCESS The operation was successful.
+ @sa ParseHandleDatabaseByRelationship
+**/
+#define PARSE_HANDLE_DATABASE_MANAGED_CHILDREN(DriverHandle, ControllerHandle, Count, Buffer) \
+ ParseHandleDatabaseByRelationship(DriverHandle, ControllerHandle, HR_CHILD_HANDLE|HR_DEVICE_HANDLE, Count, Buffer)
+
+/**
+ Gets handles for any devices managed by the passed in driver.
+
+ @param[in] DriverHandle The handle of the driver.
+ @param[in] Count The pointer to the number of handles in
+ MatchingHandleBuffer on return.
+ @param[out] Buffer The buffer containing handles on a successful
+ return.
+ @retval EFI_SUCCESS The operation was successful.
+ @sa ParseHandleDatabaseByRelationship
+**/
+#define PARSE_HANDLE_DATABASE_DEVICES(DriverHandle, Count, Buffer) \
+ ParseHandleDatabaseByRelationship(DriverHandle, NULL, HR_CONTROLLER_HANDLE|HR_DEVICE_HANDLE, Count, Buffer)
+
+/**
+ Gets handles for any child devices produced by the passed in driver.
+
+ @param[in] DriverHandle The handle of the driver.
+ @param[in] MatchingHandleCount The pointer to the number of handles in
+ MatchingHandleBuffer on return.
+ @param[out] MatchingHandleBuffer The buffer containing handles on a successful
+ return.
+ @retval EFI_SUCCESS The operation was successful.
+ @sa ParseHandleDatabaseByRelationship
+**/
+EFI_STATUS
+EFIAPI
+ParseHandleDatabaseForChildDevices(
+ IN CONST EFI_HANDLE DriverHandle,
+ IN UINTN *MatchingHandleCount,
+ OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL
+ );
+
+/**
+ Gets handles for any child controllers of the passed in controller.
+
+ @param[in] ControllerHandle The handle of the "parent controller".
+ @param[in] MatchingHandleCount The pointer to the number of handles in
+ MatchingHandleBuffer on return.
+ @param[out] MatchingHandleBuffer The buffer containing handles on a successful
+ return.
+ @retval EFI_SUCCESS The operation was successful.
+ @sa ParseHandleDatabaseByRelationship
+**/
+EFI_STATUS
+EFIAPI
+ParseHandleDatabaseForChildControllers(
+ IN CONST EFI_HANDLE ControllerHandle,
+ IN UINTN *MatchingHandleCount,
+ OUT EFI_HANDLE **MatchingHandleBuffer OPTIONAL
+ );
+
+
+/**
+ Function to retrieve the human-friendly index of a given handle. If the handle
+ does not have a index one will be automatically assigned. The index value is valid
+ until the termination of the shell application.
+
+ @param[in] TheHandle The handle to retrieve an index for.
+
+ @retval 0 A memory allocation failed.
+ @return The index of the handle.
+
+**/
+UINTN
+EFIAPI
+ConvertHandleToHandleIndex(
+ IN CONST EFI_HANDLE TheHandle
+ );
+
+/**
+ Function to retrieve the EFI_HANDLE from the human-friendly index.
+
+ @param[in] TheIndex The index to retrieve the EFI_HANDLE for.
+
+ @retval NULL The index was invalid.
+ @return The EFI_HANDLE that index represents.
+
+**/
+EFI_HANDLE
+EFIAPI
+ConvertHandleIndexToHandle(
+ IN CONST UINTN TheIndex
+ );
+
+/**
+ Function to get all handles that support a given protocol or all handles.
+
+ @param[in] ProtocolGuid The guid of the protocol to get handles for. If NULL
+ then the function will return all handles.
+
+ @retval NULL A memory allocation failed.
+ @return A NULL terminated list of handles.
+**/
+EFI_HANDLE*
+EFIAPI
+GetHandleListByPotocol (
+ IN CONST EFI_GUID *ProtocolGuid OPTIONAL
+ );
+
+/**
+ Function to get all handles that support some protocols.
+
+ @param[in] ProtocolGuids A NULL terminated list of protocol GUIDs.
+
+ @retval NULL A memory allocation failed.
+ @return A NULL terminated list of handles.
+**/
+EFI_HANDLE*
+EFIAPI
+GetHandleListByPotocolList (
+ IN CONST EFI_GUID **ProtocolGuids
+ );
+
+#endif // __HANDLE_PARSING_LIB__
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