ReactOS 0.4.15-dev-5666-gc548b97
wdfcore.h
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1/*++
2
3Copyright (c) Microsoft Corporation. All rights reserved.
4
5_WdfVersionBuild_
6
7Module Name:
8
9 wdfcore.h
10
11Abstract:
12
13 This is the main driver framework.
14
15Environment:
16
17 kernel mode only
18
19Revision History:
20
21--*/
22
23//
24// NOTE: This header is generated by stubwork. Please make any
25// modifications to the corresponding template files
26// (.x or .y) and use stubwork to regenerate the header
27//
28
29#ifndef _WDFCORE_H_
30#define _WDFCORE_H_
31
32#ifndef WDF_EXTERN_C
33 #ifdef __cplusplus
34 #define WDF_EXTERN_C extern "C"
35 #define WDF_EXTERN_C_START extern "C" {
36 #define WDF_EXTERN_C_END }
37 #else
38 #define WDF_EXTERN_C
39 #define WDF_EXTERN_C_START
40 #define WDF_EXTERN_C_END
41 #endif
42#endif
43
45
46
47
48#if (NTDDI_VERSION >= NTDDI_WIN2K)
49
50
51
52//
53// Time conversion related macros
54//
55// to to to
56// us ms sec
57#define WDF_TIMEOUT_TO_SEC ((LONGLONG) 1 * 10 * 1000 * 1000)
58#define WDF_TIMEOUT_TO_MS ((LONGLONG) 1 * 10 * 1000)
59#define WDF_TIMEOUT_TO_US ((LONGLONG) 1 * 10)
64 )
65{
66 return Time * -1 * WDF_TIMEOUT_TO_SEC;
67}
68
73 )
74{
75 return Time * 1 * WDF_TIMEOUT_TO_SEC;
76}
77
82 )
83{
84 return Time * -1 * WDF_TIMEOUT_TO_MS;
85}
86
91 )
92{
93 return Time * 1 * WDF_TIMEOUT_TO_MS;
94}
95
100 )
101{
102 return Time * -1 * WDF_TIMEOUT_TO_US;
103}
104
109 )
110{
111 return Time * 1 * WDF_TIMEOUT_TO_US;
112}
113
114//
115// Rounding functions
116//
118size_t
120 _In_ size_t Length,
121 _In_ size_t AlignTo
122 )
123{
124 return Length & ~(AlignTo - 1);
125}
126
128size_t
130 _In_ size_t Length,
131 _In_ size_t AlignTo
132 )
133{
134 return WDF_ALIGN_SIZE_DOWN(Length + AlignTo - 1, AlignTo);
135}
136
137
138//
139// Pointer math
140//
141#define WDF_PTR_ADD_OFFSET_TYPE(_ptr, _offset, _type) \
142 ((_type) (((PUCHAR) (_ptr)) + (_offset)))
143
144#define WDF_PTR_ADD_OFFSET(_ptr, _offset) \
145 WDF_PTR_ADD_OFFSET_TYPE(_ptr, _offset, PVOID)
146
147#define WDF_PTR_GET_OFFSET(_base, _addr) \
148 (size_t) (((PUCHAR) _addr) - ((PUCHAR) _base))
149
150#if (OSVER(NTDDI_VERSION) == NTDDI_WIN2K)
151//
152// These definitions are necessary for building under a Win2K Environment.
153//
154#ifndef DECLARE_UNICODE_STRING_SIZE
155#define DECLARE_UNICODE_STRING_SIZE(_var, _size) \
156WCHAR _var ## _buffer[_size]; \
157UNICODE_STRING _var = { 0, _size * sizeof(WCHAR) , _var ## _buffer }
158#endif
159
160#undef DECLARE_CONST_UNICODE_STRING
161#define DECLARE_CONST_UNICODE_STRING(_variablename, _string) \
162const WCHAR _variablename ## _buffer[] = _string; \
163__pragma(warning(suppress:4204)) __pragma(warning(suppress:4221)) \
164const UNICODE_STRING _variablename = { sizeof(_string) - sizeof(WCHAR), sizeof(_string), (PWSTR) _variablename ## _buffer }
165
166#endif // (OSVER(NTDDI_VERSION) == NTDDI_WIN2K)
167
168
169
170#endif // (NTDDI_VERSION >= NTDDI_WIN2K)
171
172
174
175#endif // _WDFCORE_H_
176
static PLARGE_INTEGER Time
Definition: time.c:105
#define _In_
Definition: ms_sal.h:308
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
int64_t LONGLONG
Definition: typedefs.h:68
uint64_t ULONGLONG
Definition: typedefs.h:67
#define WDF_TIMEOUT_TO_MS
Definition: wdfcore.h:58
#define WDF_TIMEOUT_TO_SEC
Definition: wdfcore.h:57
#define WDF_EXTERN_C_END
Definition: wdfcore.h:40
FORCEINLINE LONGLONG WDF_ABS_TIMEOUT_IN_SEC(_In_ ULONGLONG Time)
Definition: wdfcore.h:71
FORCEINLINE LONGLONG WDF_REL_TIMEOUT_IN_SEC(_In_ ULONGLONG Time)
Definition: wdfcore.h:62
#define WDF_TIMEOUT_TO_US
Definition: wdfcore.h:59
FORCEINLINE LONGLONG WDF_ABS_TIMEOUT_IN_US(_In_ ULONGLONG Time)
Definition: wdfcore.h:107
#define WDF_EXTERN_C_START
Definition: wdfcore.h:39
FORCEINLINE LONGLONG WDF_REL_TIMEOUT_IN_US(_In_ ULONGLONG Time)
Definition: wdfcore.h:98
FORCEINLINE LONGLONG WDF_ABS_TIMEOUT_IN_MS(_In_ ULONGLONG Time)
Definition: wdfcore.h:89
FORCEINLINE LONGLONG WDF_REL_TIMEOUT_IN_MS(_In_ ULONGLONG Time)
Definition: wdfcore.h:80
FORCEINLINE size_t WDF_ALIGN_SIZE_UP(_In_ size_t Length, _In_ size_t AlignTo)
Definition: wdfcore.h:129
FORCEINLINE size_t WDF_ALIGN_SIZE_DOWN(_In_ size_t Length, _In_ size_t AlignTo)
Definition: wdfcore.h:119
#define FORCEINLINE
Definition: wdftypes.h:67