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109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/**
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* @file sys/fsctl.c
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*
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* @copyright 2015 Bill Zissimopoulos
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*/
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#include <sys/driver.h>
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static NTSTATUS FspFsctlFileSystemControl(
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PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
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static NTSTATUS FspFsvolFileSystemControl(
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PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
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FSP_IOCMPL_DISPATCH FspFsvolFileSystemControlComplete;
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FSP_DRIVER_DISPATCH FspFileSystemControl;
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(PAGE, FspFsctlFileSystemControl)
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#pragma alloc_text(PAGE, FspFsvolFileSystemControl)
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#pragma alloc_text(PAGE, FspFsvolFileSystemControlComplete)
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#pragma alloc_text(PAGE, FspFileSystemControl)
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#endif
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static NTSTATUS FspFsctlFileSystemControl(
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PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
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{
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PAGED_CODE();
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NTSTATUS Result = STATUS_INVALID_DEVICE_REQUEST;
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switch (IrpSp->MinorFunction)
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{
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case IRP_MN_USER_FS_REQUEST:
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switch (IrpSp->Parameters.FileSystemControl.FsControlCode)
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{
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case FSP_FSCTL_VOLUME_NAME:
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if (0 != IrpSp->FileObject->FsContext2)
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Result = FspVolumeGetName(DeviceObject, Irp, IrpSp);
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break;
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case FSP_FSCTL_TRANSACT:
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if (0 != IrpSp->FileObject->FsContext2)
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Result = FspVolumeTransact(DeviceObject, Irp, IrpSp);
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break;
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}
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break;
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case IRP_MN_MOUNT_VOLUME:
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Result = FspVolumeMount(DeviceObject, Irp, IrpSp);
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break;
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}
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return Result;
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}
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static NTSTATUS FspFsvolFileSystemControl(
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PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
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{
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PAGED_CODE();
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NTSTATUS Result = STATUS_INVALID_DEVICE_REQUEST;
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switch (IrpSp->MinorFunction)
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{
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case IRP_MN_USER_FS_REQUEST:
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switch (IrpSp->Parameters.FileSystemControl.FsControlCode)
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{
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case FSP_FSCTL_WORK:
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case FSP_FSCTL_WORK_BEST_EFFORT:
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Result = FspVolumeWork(DeviceObject, Irp, IrpSp);
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break;
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}
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break;
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}
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return Result;
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}
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VOID FspFsvolFileSystemControlComplete(
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PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
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{
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FSP_ENTER_IOC(PAGED_CODE());
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FSP_LEAVE_IOC(
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"%s%sFileObject=%p",
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IRP_MN_USER_FS_REQUEST == IrpSp->MinorFunction ?
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IoctlCodeSym(IrpSp->Parameters.FileSystemControl.FsControlCode) : "",
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IRP_MN_USER_FS_REQUEST == IrpSp->MinorFunction ? ", " : "",
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IrpSp->FileObject);
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}
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NTSTATUS FspFileSystemControl(
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PDEVICE_OBJECT DeviceObject, PIRP Irp)
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{
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FSP_ENTER_MJ(PAGED_CODE());
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switch (FspDeviceExtension(DeviceObject)->Kind)
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{
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case FspFsvolDeviceExtensionKind:
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FSP_RETURN(Result = FspFsvolFileSystemControl(DeviceObject, Irp, IrpSp));
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case FspFsctlDeviceExtensionKind:
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FSP_RETURN(Result = FspFsctlFileSystemControl(DeviceObject, Irp, IrpSp));
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default:
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FSP_RETURN(Result = STATUS_INVALID_DEVICE_REQUEST);
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}
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FSP_LEAVE_MJ(
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"%s%sFileObject=%p",
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IRP_MN_USER_FS_REQUEST == IrpSp->MinorFunction ?
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IoctlCodeSym(IrpSp->Parameters.FileSystemControl.FsControlCode) : "",
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IRP_MN_USER_FS_REQUEST == IrpSp->MinorFunction ? ", " : "",
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IrpSp->FileObject);
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}
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