[STORPORT] Fix x64 build
[reactos.git] / ntoskrnl / fsrtl / mcb.c
1 /*
2 * PROJECT: ReactOS Kernel
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: ntoskrnl/fsrtl/mcb.c
5 * PURPOSE: Mapped Control Block (MCB) support for File System Drivers
6 * PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
7 */
8
9 /* INCLUDES ******************************************************************/
10
11 #include <ntoskrnl.h>
12 #define NDEBUG
13 #include <debug.h>
14
15 /* PUBLIC FUNCTIONS **********************************************************/
16
17 /*
18 * @implemented
19 */
20 BOOLEAN
21 NTAPI
22 FsRtlAddMcbEntry(IN PMCB Mcb,
23 IN VBN Vbn,
24 IN LBN Lbn,
25 IN ULONG SectorCount)
26 {
27 /* Call the newer function */
28 return FsRtlAddLargeMcbEntry(&Mcb->
29 DummyFieldThatSizesThisStructureCorrectly,
30 (LONGLONG)Vbn,
31 (LONGLONG)Lbn,
32 (LONGLONG)SectorCount);
33 }
34
35 /*
36 * @implemented
37 */
38 BOOLEAN
39 NTAPI
40 FsRtlGetNextMcbEntry(IN PMCB Mcb,
41 IN ULONG RunIndex,
42 OUT PVBN Vbn,
43 OUT PLBN Lbn,
44 OUT PULONG SectorCount)
45 {
46 BOOLEAN Return = FALSE;
47 LONGLONG llVbn;
48 LONGLONG llLbn;
49 LONGLONG llSectorCount;
50
51 /* Call the Large version */
52 Return = FsRtlGetNextLargeMcbEntry(
53 &Mcb->DummyFieldThatSizesThisStructureCorrectly,
54 RunIndex,
55 &llVbn,
56 &llLbn,
57 &llSectorCount);
58
59 /* Return the lower 32 bits */
60 *Vbn = (ULONG)llVbn;
61 *Lbn = (ULONG)llLbn;
62 *SectorCount = (ULONG)llSectorCount;
63
64 /* And return the original value */
65 return Return;
66 }
67
68 /*
69 * @implemented
70 */
71 VOID
72 NTAPI
73 FsRtlInitializeMcb(IN PMCB Mcb,
74 IN POOL_TYPE PoolType)
75 {
76 /* Call the newer function */
77 FsRtlInitializeLargeMcb(&Mcb->DummyFieldThatSizesThisStructureCorrectly,
78 PoolType);
79 }
80
81 /*
82 * @implemented
83 */
84 BOOLEAN
85 NTAPI
86 FsRtlLookupLastMcbEntry(IN PMCB Mcb,
87 OUT PVBN Vbn,
88 OUT PLBN Lbn)
89 {
90 BOOLEAN Return = FALSE;
91 LONGLONG llVbn = 0;
92 LONGLONG llLbn = 0;
93
94 /* Call the Large version */
95 Return = FsRtlLookupLastLargeMcbEntry(
96 &Mcb->DummyFieldThatSizesThisStructureCorrectly,
97 &llVbn,
98 &llLbn);
99
100 /* Return the lower 32-bits */
101 *Vbn = (ULONG)llVbn;
102 *Lbn = (ULONG)llLbn;
103
104 /* And return the original value */
105 return Return;
106 }
107
108 /*
109 * @implemented
110 */
111 BOOLEAN
112 NTAPI
113 FsRtlLookupMcbEntry(IN PMCB Mcb,
114 IN VBN Vbn,
115 OUT PLBN Lbn,
116 OUT PULONG SectorCount OPTIONAL,
117 OUT PULONG Index)
118 {
119 BOOLEAN Return = FALSE;
120 LONGLONG llLbn;
121 LONGLONG llSectorCount;
122
123 /* Call the Large version */
124 Return = FsRtlLookupLargeMcbEntry(&Mcb->
125 DummyFieldThatSizesThisStructureCorrectly,
126 (LONGLONG)Vbn,
127 &llLbn,
128 &llSectorCount,
129 NULL,
130 NULL,
131 Index);
132
133 /* Return the lower 32-bits */
134 *Lbn = (ULONG)llLbn;
135 if (SectorCount) *SectorCount = (ULONG)llSectorCount;
136
137 /* And return the original value */
138 return Return;
139 }
140
141 /*
142 * @implemented
143 */
144 ULONG
145 NTAPI
146 FsRtlNumberOfRunsInMcb(IN PMCB Mcb)
147 {
148 /* Call the newer function */
149 return FsRtlNumberOfRunsInLargeMcb(
150 &Mcb->DummyFieldThatSizesThisStructureCorrectly);
151 }
152
153 /*
154 * @implemented
155 */
156 VOID
157 NTAPI
158 FsRtlRemoveMcbEntry(IN PMCB Mcb,
159 IN VBN Vbn,
160 IN ULONG SectorCount)
161 {
162 /* Call the large function */
163 FsRtlRemoveLargeMcbEntry(&Mcb->DummyFieldThatSizesThisStructureCorrectly,
164 (LONGLONG)Vbn,
165 (LONGLONG)SectorCount);
166 }
167
168 /*
169 * @implemented
170 */
171 VOID
172 NTAPI
173 FsRtlTruncateMcb(IN PMCB Mcb,
174 IN VBN Vbn)
175 {
176 /* Call the newer function */
177 FsRtlTruncateLargeMcb(&Mcb->DummyFieldThatSizesThisStructureCorrectly,
178 (LONGLONG)Vbn);
179 }
180
181 /*
182 * @implemented
183 */
184 VOID
185 NTAPI
186 FsRtlUninitializeMcb(IN PMCB Mcb)
187 {
188 /* Call the newer function */
189 FsRtlUninitializeLargeMcb(&Mcb->DummyFieldThatSizesThisStructureCorrectly);
190 }