1 /** @file
2   EFI Shell Dynamic Command registration protocol
3 
4   (C) Copyright 2012-2014 Hewlett-Packard Development Company, L.P.<BR>
5   Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
6   This program and the accompanying materials
7   are licensed and made available under the terms and conditions of the BSD License
8   which accompanies this distribution.  The full text of the license may be found at
9   http://opensource.org/licenses/bsd-license.php
10 
11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 
14 **/
15 
16 #ifndef __EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL_H__
17 #define __EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL_H__
18 
19 #include <Protocol/Shell.h>
20 #include <Protocol/ShellParameters.h>
21 
22 // {3C7200E9-005F-4EA4-87DE-A3DFAC8A27C3}
23 #define EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL_GUID \
24   { \
25   0x3c7200e9, 0x005f, 0x4ea4, { 0x87, 0xde, 0xa3, 0xdf, 0xac, 0x8a, 0x27, 0xc3 } \
26   }
27 
28 
29 //
30 // Define for forward reference.
31 //
32 typedef struct _EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL;
33 
34 
35 /**
36   This is the shell command handler function pointer callback type.  This
37   function handles the command when it is invoked in the shell.
38 
39   @param[in] This                   The instance of the EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL.
40   @param[in] SystemTable            The pointer to the system table.
41   @param[in] ShellParameters        The parameters associated with the command.
42   @param[in] Shell                  The instance of the shell protocol used in the context
43                                     of processing this command.
44 
45   @return EFI_SUCCESS               the operation was sucessful
46   @return other                     the operation failed.
47 **/
48 typedef
49 SHELL_STATUS
50 (EFIAPI * SHELL_COMMAND_HANDLER)(
51   IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL    *This,
52   IN EFI_SYSTEM_TABLE                      *SystemTable,
53   IN EFI_SHELL_PARAMETERS_PROTOCOL         *ShellParameters,
54   IN EFI_SHELL_PROTOCOL                    *Shell
55   );
56 
57 /**
58   This is the command help handler function pointer callback type.  This
59   function is responsible for displaying help information for the associated
60   command.
61 
62   @param[in] This                   The instance of the EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL.
63   @param[in] Language               The pointer to the language string to use.
64 
65   @return string                    Pool allocated help string, must be freed by caller
66 **/
67 typedef
68 CHAR16*
69 (EFIAPI * SHELL_COMMAND_GETHELP)(
70   IN EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL    *This,
71   IN CONST CHAR8                           *Language
72   );
73 
74 /// EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL protocol structure.
75 struct _EFI_SHELL_DYNAMIC_COMMAND_PROTOCOL {
76 
77   CONST CHAR16           *CommandName;
78   SHELL_COMMAND_HANDLER  Handler;
79   SHELL_COMMAND_GETHELP  GetHelp;
80 
81 };
82 
83 extern EFI_GUID gEfiShellDynamicCommandProtocolGuid;
84 
85 #endif
86