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[NTOSKRNL]

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Implement NtQuerySystemInformation - SystemNumaAvailableMemory
Stub out NtQuerySystemInformation - SystemPrefetcherInformation
Stub out NtQuerySystemInformation - SystemExtendedProcessInformation
Stub out NtQuerySystemInformation - SystemRecommendedSharedDataAlignment

svn path=/trunk/; revision=68173
This commit is contained in:
Pierre Schweitzer 2015-06-17 18:23:39 +00:00
parent bb203b40e4
commit de7f49ecd3
1 changed files with 88 additions and 1 deletions
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89
reactos/ntoskrnl/ex/sysinfo.c
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@ -2212,6 +2212,88 @@ QSI_DEF(SystemNumaProcessorMap)
}
/* Class 56 - Prefetcher information */
QSI_DEF(SystemPrefetcherInformation)
{
/* FIXME */
DPRINT1("NtQuerySystemInformation - SystemPrefetcherInformation not implemented\n");
return STATUS_NOT_IMPLEMENTED;
}
/* Class 57 - Extended process information */
QSI_DEF(SystemExtendedProcessInformation)
{
/* FIXME */
DPRINT1("NtQuerySystemInformation - SystemExtendedProcessInformation not implemented\n");
return STATUS_NOT_IMPLEMENTED;
}
/* Class 58 - Recommended shared ata alignment */
QSI_DEF(SystemRecommendedSharedDataAlignment)
{
/* FIXME */
DPRINT1("NtQuerySystemInformation - SystemRecommendedSharedDataAlignment not implemented\n");
return STATUS_NOT_IMPLEMENTED;
}
/* Class 60 - NUMA memory information */
QSI_DEF(SystemNumaAvailableMemory)
{
ULONG MaxEntries, Node;
PSYSTEM_NUMA_INFORMATION NumaInformation = (PSYSTEM_NUMA_INFORMATION)Buffer;
/* Validate input size */
if (Size < sizeof(ULONG))
{
return STATUS_INFO_LENGTH_MISMATCH;
}
/* Return highest node */
NumaInformation->HighestNodeNumber = KeNumberNodes - 1;
/* Compute how much entries we will be able to put in output structure */
MaxEntries = (Size - FIELD_OFFSET(SYSTEM_NUMA_INFORMATION, AvailableMemory)) / sizeof(ULONGLONG);
/* Make sure we don't overflow KeNodeBlock */
if (MaxEntries > KeNumberNodes)
{
MaxEntries = KeNumberNodes;
}
/* If we have entries to write, and room for it */
if (Size >= FIELD_OFFSET(SYSTEM_NUMA_INFORMATION, AvailableMemory) &&
MaxEntries != 0)
{
/* Already set size we return */
*ReqSize = FIELD_OFFSET(SYSTEM_NUMA_INFORMATION, AvailableMemory) +
MaxEntries * sizeof(ULONGLONG);
/* If we have a single entry (us), directly return MM information */
if (MaxEntries == 1)
{
NumaInformation->AvailableMemory[0] = MmAvailablePages << PAGE_SHIFT;
}
else
{
/* Otherwise, for each node, return available bytes */
for (Node = 0; Node < MaxEntries; ++Node)
{
NumaInformation->AvailableMemory[Node] = (KeNodeBlock[Node]->FreeCount[0] + KeNodeBlock[Node]->FreeCount[1]) << PAGE_SHIFT;
}
}
}
else
{
/* We only returned highest node number */
*ReqSize = sizeof(ULONG);
}
return STATUS_SUCCESS;
}
/* Query/Set Calls Table */
typedef
struct _QSSI_CALLS
@ -2290,7 +2372,12 @@ CallQS [] =
SI_XS(SystemAddVerifier),
SI_QX(SystemSessionProcessesInformation),
SI_XS(SystemLoadGdiDriverInSystemSpaceInformation),
SI_QX(SystemNumaProcessorMap)
SI_QX(SystemNumaProcessorMap),
SI_QX(SystemPrefetcherInformation),
SI_QX(SystemExtendedProcessInformation),
SI_QX(SystemRecommendedSharedDataAlignment),
SI_XX(SystemComPlusPackage),
SI_QX(SystemNumaAvailableMemory)
};
C_ASSERT(SystemBasicInformation == 0);