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sys: implement FastIo operations

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FspFastIoQueryOpen
This commit is contained in:
Bill Zissimopoulos
2018-09-07 16:01:40 -07:00
parent 0d849ffcc8
commit 3a286324ff
4 changed files with 101 additions and 33 deletions
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100
src/sys/fileinfo.c
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@ -84,6 +84,7 @@ FSP_DRIVER_DISPATCH FspSetInformation;
FAST_IO_QUERY_BASIC_INFO FspFastIoQueryBasicInfo;
FAST_IO_QUERY_STANDARD_INFO FspFastIoQueryStandardInfo;
FAST_IO_QUERY_NETWORK_OPEN_INFO FspFastIoQueryNetworkOpenInfo;
FAST_IO_QUERY_OPEN FspFastIoQueryOpen;
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE, FspFsvolQueryAllInformation)
@ -118,6 +119,7 @@ FAST_IO_QUERY_NETWORK_OPEN_INFO FspFastIoQueryNetworkOpenInfo;
#pragma alloc_text(PAGE, FspFastIoQueryBasicInfo)
#pragma alloc_text(PAGE, FspFastIoQueryStandardInfo)
#pragma alloc_text(PAGE, FspFastIoQueryNetworkOpenInfo)
#pragma alloc_text(PAGE, FspFastIoQueryOpen)
#endif
enum
@ -1768,7 +1770,7 @@ NTSTATUS FspSetInformation(
}
BOOLEAN FspFastIoQueryBasicInfo(
PFILE_OBJECT FileObject, BOOLEAN Wait, PFILE_BASIC_INFORMATION Info,
PFILE_OBJECT FileObject, BOOLEAN CanWait, PFILE_BASIC_INFORMATION Info,
PIO_STATUS_BLOCK PIoStatus, PDEVICE_OBJECT DeviceObject)
{
FSP_ENTER_BOOL(PAGED_CODE());
@ -1779,27 +1781,29 @@ BOOLEAN FspFastIoQueryBasicInfo(
if (!FspFileNodeIsValid(FileNode))
FSP_RETURN(Result = FALSE);
FspFileNodeAcquireShared(FileNode, Main);
Result = FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf);
FspFileNodeRelease(FileNode, Main);
Result = FspFileNodeTryAcquireSharedF(FileNode, FspFileNodeAcquireMain, CanWait);
if (Result)
{
PVOID Buffer = Info;
PVOID BufferEnd = (PUINT8)Info + sizeof Info;
NTSTATUS Result0 = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
if (!NT_SUCCESS(Result0))
FSP_RETURN(Result = FALSE);
Result = FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf);
FspFileNodeRelease(FileNode, Main);
if (Result)
{
PVOID Buffer = Info;
PVOID BufferEnd = (PUINT8)Info + sizeof Info;
NTSTATUS Result0 = FspFsvolQueryBasicInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
if (!NT_SUCCESS(Result0))
FSP_RETURN(Result = FALSE);
PIoStatus->Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Info);
PIoStatus->Status = Result0;
PIoStatus->Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Info);
PIoStatus->Status = Result0;
}
}
FSP_LEAVE_BOOL("FileObject=%p", FileObject);
}
BOOLEAN FspFastIoQueryStandardInfo(
PFILE_OBJECT FileObject, BOOLEAN Wait, PFILE_STANDARD_INFORMATION Info,
PFILE_OBJECT FileObject, BOOLEAN CanWait, PFILE_STANDARD_INFORMATION Info,
PIO_STATUS_BLOCK PIoStatus, PDEVICE_OBJECT DeviceObject)
{
FSP_ENTER_BOOL(PAGED_CODE());
@ -1810,27 +1814,29 @@ BOOLEAN FspFastIoQueryStandardInfo(
if (!FspFileNodeIsValid(FileNode))
FSP_RETURN(Result = FALSE);
FspFileNodeAcquireShared(FileNode, Main);
Result = FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf);
FspFileNodeRelease(FileNode, Main);
Result = FspFileNodeTryAcquireSharedF(FileNode, FspFileNodeAcquireMain, CanWait);
if (Result)
{
PVOID Buffer = Info;
PVOID BufferEnd = (PUINT8)Info + sizeof Info;
NTSTATUS Result0 = FspFsvolQueryStandardInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
if (!NT_SUCCESS(Result0))
FSP_RETURN(Result = FALSE);
Result = FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf);
FspFileNodeRelease(FileNode, Main);
if (Result)
{
PVOID Buffer = Info;
PVOID BufferEnd = (PUINT8)Info + sizeof Info;
NTSTATUS Result0 = FspFsvolQueryStandardInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
if (!NT_SUCCESS(Result0))
FSP_RETURN(Result = FALSE);
PIoStatus->Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Info);
PIoStatus->Status = Result0;
PIoStatus->Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Info);
PIoStatus->Status = Result0;
}
}
FSP_LEAVE_BOOL("FileObject=%p", FileObject);
}
BOOLEAN FspFastIoQueryNetworkOpenInfo(
PFILE_OBJECT FileObject, BOOLEAN Wait, PFILE_NETWORK_OPEN_INFORMATION Info,
PFILE_OBJECT FileObject, BOOLEAN CanWait, PFILE_NETWORK_OPEN_INFORMATION Info,
PIO_STATUS_BLOCK PIoStatus, PDEVICE_OBJECT DeviceObject)
{
FSP_ENTER_BOOL(PAGED_CODE());
@ -1841,21 +1847,51 @@ BOOLEAN FspFastIoQueryNetworkOpenInfo(
if (!FspFileNodeIsValid(FileNode))
FSP_RETURN(Result = FALSE);
FspFileNodeAcquireShared(FileNode, Main);
Result = FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf);
FspFileNodeRelease(FileNode, Main);
Result = FspFileNodeTryAcquireSharedF(FileNode, FspFileNodeAcquireMain, CanWait);
if (Result)
{
Result = FspFileNodeTryGetFileInfo(FileNode, &FileInfoBuf);
FspFileNodeRelease(FileNode, Main);
if (Result)
{
PVOID Buffer = Info;
PVOID BufferEnd = (PUINT8)Info + sizeof Info;
NTSTATUS Result0 = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
if (!NT_SUCCESS(Result0))
FSP_RETURN(Result = FALSE);
PIoStatus->Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Info);
PIoStatus->Status = Result0;
}
}
FSP_LEAVE_BOOL("FileObject=%p", FileObject);
}
BOOLEAN FspFastIoQueryOpen(
PIRP Irp, PFILE_NETWORK_OPEN_INFORMATION Info, PDEVICE_OBJECT DeviceObject)
{
FSP_ENTER_BOOL(PAGED_CODE());
PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FSCTL_FILE_INFO FileInfoBuf;
Result = FspFileNodeTryGetFileInfoByName(IrpSp->DeviceObject, &FileObject->FileName, &FileInfoBuf);
if (Result)
{
PVOID Buffer = Info;
PVOID BufferEnd = (PUINT8)Info + sizeof Info;
NTSTATUS Result0 = FspFsvolQueryNetworkOpenInformation(FileObject, &Buffer, BufferEnd, &FileInfoBuf);
if (!NT_SUCCESS(Result0))
FSP_RETURN(Result = FALSE);
PIoStatus->Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Info);
PIoStatus->Status = Result0;
Irp->IoStatus.Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Info);
Irp->IoStatus.Status = Result0;
}
FSP_LEAVE_BOOL("FileObject=%p", FileObject);
FSP_LEAVE_BOOL("FileObject=%p[%p:\"%wZ\"]",
IoGetCurrentIrpStackLocation(Irp)->FileObject,
IoGetCurrentIrpStackLocation(Irp)->FileObject->RelatedFileObject,
IoGetCurrentIrpStackLocation(Irp)->FileObject->FileName);
}