1 /** @file
2   The platform boot manager reference implement
3 
4 Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution.  The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
9 
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 
13 **/
14 
15 #ifndef _EFI_BOOT_MANAGER_H_
16 #define _EFI_BOOT_MANAGER_H_
17 
18 #include "Bds.h"
19 #include "FrontPage.h"
20 
21 #define BOOT_MANAGER_FORM_ID     0x1000
22 
23 #define LABEL_BOOT_OPTION        0x00
24 #define LABEL_BOOT_OPTION_END    0x01
25 
26 //
27 // These are the VFR compiler generated data representing our VFR data.
28 //
29 extern UINT8 BootManagerVfrBin[];
30 
31 #define BOOT_MANAGER_CALLBACK_DATA_SIGNATURE  SIGNATURE_32 ('B', 'M', 'C', 'B')
32 
33 typedef struct {
34   UINTN                           Signature;
35 
36   //
37   // HII relative handles
38   //
39   EFI_HII_HANDLE                  HiiHandle;
40   EFI_HANDLE                      DriverHandle;
41 
42   //
43   // Produced protocols
44   //
45   EFI_HII_CONFIG_ACCESS_PROTOCOL   ConfigAccess;
46 } BOOT_MANAGER_CALLBACK_DATA;
47 
48 /**
49   This call back function is registered with Boot Manager formset.
50   When user selects a boot option, this call back function will
51   be triggered. The boot option is saved for later processing.
52 
53 
54   @param This            Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
55   @param Action          Specifies the type of action taken by the browser.
56   @param QuestionId      A unique value which is sent to the original exporting driver
57                          so that it can identify the type of data to expect.
58   @param Type            The type of value for the question.
59   @param Value           A pointer to the data being sent to the original exporting driver.
60   @param ActionRequest   On return, points to the action requested by the callback function.
61 
62   @retval  EFI_SUCCESS           The callback successfully handled the action.
63   @retval  EFI_INVALID_PARAMETER The setup browser call this function with invalid parameters.
64 
65 **/
66 EFI_STATUS
67 EFIAPI
68 BootManagerCallback (
69   IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,
70   IN  EFI_BROWSER_ACTION                     Action,
71   IN  EFI_QUESTION_ID                        QuestionId,
72   IN  UINT8                                  Type,
73   IN  EFI_IFR_TYPE_VALUE                     *Value,
74   OUT EFI_BROWSER_ACTION_REQUEST             *ActionRequest
75   );
76 
77 /**
78 
79   Registers HII packages for the Boot Manger to HII Database.
80   It also registers the browser call back function.
81 
82   @retval  EFI_SUCCESS           HII packages for the Boot Manager were registered successfully.
83   @retval  EFI_OUT_OF_RESOURCES  HII packages for the Boot Manager failed to be registered.
84 
85 **/
86 EFI_STATUS
87 InitializeBootManager (
88   VOID
89   );
90 
91 /**
92   This function invokes Boot Manager. If all devices have not a chance to be connected,
93   the connect all will be triggered. It then enumerate all boot options. If
94   a boot option from the Boot Manager page is selected, Boot Manager will boot
95   from this boot option.
96 
97 **/
98 VOID
99 CallBootManager (
100   VOID
101   );
102 
103 #endif
104