1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/** @file
Provides the parent dispatch service for the power button SMI source generator.
Copyright (c) 2007 - 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 that 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.
@par Revision Reference:
This Protocol is defined in Framework of EFI SMM Core Interface Spec
Version 0.9.
**/
#ifndef _EFI_SMM_POWER_BUTTON_DISPATCH_H_
#define _EFI_SMM_POWER_BUTTON_DISPATCH_H_
//
// Global ID for the Power Button SMI Protocol
//
#define EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL_GUID \
{ \
0xb709efa0, 0x47a6, 0x4b41, {0xb9, 0x31, 0x12, 0xec, 0xe7, 0xa8, 0xee, 0x56 } \
}
typedef struct _EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL;
//
// Related Definitions
//
//
// Power Button. Example, Use for changing LEDs before ACPI OS is on.
// - DXE/BDS Phase
// - OS Install Phase
//
typedef enum {
PowerButtonEntry,
PowerButtonExit
} EFI_POWER_BUTTON_PHASE;
typedef struct {
EFI_POWER_BUTTON_PHASE Phase;
} EFI_SMM_POWER_BUTTON_DISPATCH_CONTEXT;
//
// Member functions
//
/**
Dispatch function for a Power Button SMI handler.
@param[in] DispatchHandle The handle of this dispatch function.
@param[in] DispatchContext The pointer to the dispatch function's context.
The DispatchContext fields are filled in
by the dispatching driver prior to
invoking this dispatch function.
**/
typedef
VOID
(EFIAPI *EFI_SMM_POWER_BUTTON_DISPATCH)(
IN EFI_HANDLE DispatchHandle,
IN EFI_SMM_POWER_BUTTON_DISPATCH_CONTEXT *DispatchContext
);
/**
Provides the parent dispatch service for a given SMI source generator
@param[in] This The pointer to the
EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL instance.
@param[in] DispatchFunction The function to install.
@param[in] DispatchContext The pointer to the dispatch function's context.
Indicates to the register
function the Power Button SMI phase for which
to invoke the dispatch function.
@param[out] DispatchHandle Handle generated by the dispatcher to track
the function instance.
@retval EFI_SUCCESS The dispatch function has been successfully
registered and the SMI source has been enabled.
@retval EFI_DEVICE_ERROR The driver was unable to enable the SMI source.
@retval EFI_OUT_OF_RESOURCES Not enough memory (system or SMM) to manage this
child.
@retval EFI_INVALID_PARAMETER DispatchContext is invalid. The Power Button SMI
phase is not within valid range.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_POWER_BUTTON_REGISTER)(
IN EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL *This,
IN EFI_SMM_POWER_BUTTON_DISPATCH DispatchFunction,
IN EFI_SMM_POWER_BUTTON_DISPATCH_CONTEXT *DispatchContext,
OUT EFI_HANDLE *DispatchHandle
);
/**
Unregisters a power-button service.
@param[in] This The pointer to the EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL instance.
@param[in] DispatchHandle The handle of the service to remove.
@retval EFI_SUCCESS The dispatch function has been successfully
unregistered, and the SMI source has been
disabled, if there are no other registered
child dispatch functions for this SMI
source.
@retval EFI_INVALID_PARAMETER The handle is invalid.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SMM_POWER_BUTTON_UNREGISTER)(
IN EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL *This,
IN EFI_HANDLE DispatchHandle
);
/**
@par Protocol Description:
Provides the parent dispatch service for the SMM power button SMI source generator.
**/
struct _EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL {
///
/// Installs a child service to be dispatched by this protocol.
///
EFI_SMM_POWER_BUTTON_REGISTER Register;
///
/// Removes a child service dispatched by this protocol.
///
EFI_SMM_POWER_BUTTON_UNREGISTER UnRegister;
};
extern EFI_GUID gEfiSmmPowerButtonDispatchProtocolGuid;
#endif
|
