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https://github.com/reactos/reactos.git
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1f377076d7
Not all files are included, but these are necessary to compile cdrom driver. So far it can only be statically linked with drivers, a proper implementation requires wdfldr helper driver
162 lines
2.7 KiB
C++
162 lines
2.7 KiB
C++
/*++
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Copyright (c) Microsoft. All rights reserved.
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Module Name:
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FxIoTargetUm.hpp
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Abstract:
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Author:
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Environment:
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Revision History:
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--*/
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#ifndef _FXIOTARGETUM_H_
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#define _FXIOTARGETUM_H_
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__inline
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FxIoContext::FxIoContext(
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VOID
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) :
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FxRequestContext(FX_RCT_IO),
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m_OtherMemory(NULL),
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m_RestoreState(FALSE)
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{
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ZeroMemory(&m_OriginalBufferInfo, sizeof(m_OriginalBufferInfo));
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}
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__inline
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FxIoContext::~FxIoContext(
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VOID
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)
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{
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}
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__inline
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VOID
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FxIoContext::ReleaseAndRestore(
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__in FxRequestBase* Request
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)
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{
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FxIrp* irp = NULL;
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irp = Request->GetSubmitFxIrp();
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if (m_RestoreState) {
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irp->GetIoIrp()->RestoreCurrentBuffer(&m_OriginalBufferInfo);
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m_RestoreState = FALSE;
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}
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//
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// Release the 2ndary buffer if we have an outstanding reference
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//
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if (m_OtherMemory != NULL) {
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m_OtherMemory->RELEASE(this);
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m_OtherMemory = NULL;
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}
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//
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// Release the other buffer and all __super related fields
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//
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FxRequestContext::ReleaseAndRestore(Request); // __super call
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}
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__inline
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VOID
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FxIoContext::CopyParameters(
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__in FxRequestBase* Request
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)
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{
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switch (m_MajorFunction) {
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case IRP_MJ_WRITE:
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m_CompletionParams.Parameters.Write.Length =
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m_CompletionParams.IoStatus.Information;
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break;
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case IRP_MJ_READ:
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m_CompletionParams.Parameters.Read.Length =
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m_CompletionParams.IoStatus.Information;
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break;
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case IRP_MJ_DEVICE_CONTROL:
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case UMINT::WdfRequestInternalIoctl:
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m_CompletionParams.Parameters.Ioctl.Output.Length =
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m_CompletionParams.IoStatus.Information;
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break;
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default:
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FX_VERIFY(INTERNAL, CHECK("Non Io Irp passed to CopyParameters", FALSE));
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}
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}
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__inline
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VOID
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FxIoContext::SwapIrpBuffer(
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_In_ FxRequestBase* Request,
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_In_ ULONG NewInputBufferCb,
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_In_reads_bytes_opt_(NewInputBufferCb) PVOID NewInputBuffer,
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_In_ ULONG NewOutputBufferCb,
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_In_reads_bytes_opt_(NewOutputBufferCb) PVOID NewOutputBuffer
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)
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{
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FxIrp* irp = NULL;
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irp = Request->GetSubmitFxIrp();
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m_RestoreState = TRUE;
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irp->GetIoIrp()->SwapCurrentBuffer(
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true,
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NewInputBufferCb,
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NewInputBuffer,
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NewOutputBufferCb,
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NewOutputBuffer,
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&m_OriginalBufferInfo
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);
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}
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__inline
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BOOLEAN
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FxIoTarget::HasValidStackSize(
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VOID
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)
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{
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return TRUE;
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}
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__inline
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VOID
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FxIoTarget::Send(
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_In_ MdIrp Irp
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)
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{
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Forward(Irp);
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}
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#endif // _FXIOTARGETUM_H_
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