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sys: implement FastIo operations

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FastIoQueryBasicInfo, FastIoQueryStandardInfo, FastIoQueryNetworkOpenInfo
This commit is contained in:
Bill Zissimopoulos
2018-09-07 14:19:52 -07:00
parent 084f0b5b36
commit 0d849ffcc8
3 changed files with 105 additions and 3 deletions
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99
src/sys/fileinfo.c
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@ -81,6 +81,9 @@ FSP_IOCMPL_DISPATCH FspFsvolSetInformationComplete;
static FSP_IOP_REQUEST_FINI FspFsvolSetInformationRequestFini;
FSP_DRIVER_DISPATCH FspQueryInformation;
FSP_DRIVER_DISPATCH FspSetInformation;
FAST_IO_QUERY_BASIC_INFO FspFastIoQueryBasicInfo;
FAST_IO_QUERY_STANDARD_INFO FspFastIoQueryStandardInfo;
FAST_IO_QUERY_NETWORK_OPEN_INFO FspFastIoQueryNetworkOpenInfo;
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE, FspFsvolQueryAllInformation)
@ -112,6 +115,9 @@ FSP_DRIVER_DISPATCH FspSetInformation;
#pragma alloc_text(PAGE, FspFsvolSetInformationRequestFini)
#pragma alloc_text(PAGE, FspQueryInformation)
#pragma alloc_text(PAGE, FspSetInformation)
#pragma alloc_text(PAGE, FspFastIoQueryBasicInfo)
#pragma alloc_text(PAGE, FspFastIoQueryStandardInfo)
#pragma alloc_text(PAGE, FspFastIoQueryNetworkOpenInfo)
#endif
enum
@ -1760,3 +1766,96 @@ NTSTATUS FspSetInformation(
FileInformationClassSym(IrpSp->Parameters.SetFile.FileInformationClass),
IrpSp->FileObject);
}
BOOLEAN FspFastIoQueryBasicInfo(
PFILE_OBJECT FileObject, BOOLEAN Wait, PFILE_BASIC_INFORMATION Info,
PIO_STATUS_BLOCK PIoStatus, PDEVICE_OBJECT DeviceObject)
{
FSP_ENTER_BOOL(PAGED_CODE());
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_FILE_INFO FileInfoBuf;
if (!FspFileNodeIsValid(FileNode))
FSP_RETURN(Result = FALSE);
FspFileNodeAcquireShared(FileNode, Main);
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;
}
FSP_LEAVE_BOOL("FileObject=%p", FileObject);
}
BOOLEAN FspFastIoQueryStandardInfo(
PFILE_OBJECT FileObject, BOOLEAN Wait, PFILE_STANDARD_INFORMATION Info,
PIO_STATUS_BLOCK PIoStatus, PDEVICE_OBJECT DeviceObject)
{
FSP_ENTER_BOOL(PAGED_CODE());
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_FILE_INFO FileInfoBuf;
if (!FspFileNodeIsValid(FileNode))
FSP_RETURN(Result = FALSE);
FspFileNodeAcquireShared(FileNode, Main);
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;
}
FSP_LEAVE_BOOL("FileObject=%p", FileObject);
}
BOOLEAN FspFastIoQueryNetworkOpenInfo(
PFILE_OBJECT FileObject, BOOLEAN Wait, PFILE_NETWORK_OPEN_INFORMATION Info,
PIO_STATUS_BLOCK PIoStatus, PDEVICE_OBJECT DeviceObject)
{
FSP_ENTER_BOOL(PAGED_CODE());
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_FILE_INFO FileInfoBuf;
if (!FspFileNodeIsValid(FileNode))
FSP_RETURN(Result = FALSE);
FspFileNodeAcquireShared(FileNode, Main);
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);
}