diff options
| -rw-r--r-- | general/PLX9x5x/sys/Control.c | 105 | ||||
| -rw-r--r-- | general/PLX9x5x/sys/Pci9x5x.vcxproj | 12 |
2 files changed, 116 insertions, 1 deletions
diff --git a/general/PLX9x5x/sys/Control.c b/general/PLX9x5x/sys/Control.c new file mode 100644 index 00000000..c8caba71 --- /dev/null +++ b/general/PLX9x5x/sys/Control.c @@ -0,0 +1,105 @@ +/*++ + +Copyright (c) Microsoft Corporation. All rights reserved. + + THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY + KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR + PURPOSE. + +Module Name: + + Control.c + +Abstract: + + This module implements the driver's IOCTL handler. + +Environment: + + Kernel mode + +--*/ + +#include "precomp.h" + +#include "Control.tmh" + + +//----------------------------------------------------------------------------- +// +//----------------------------------------------------------------------------- +VOID +PLxEvtIoDeviceControl( + _In_ WDFQUEUE Queue, + _In_ WDFREQUEST Request, + _In_ size_t OutputBufferLength, + _In_ size_t InputBufferLength, + _In_ ULONG IoControlCode + ) +/*++ + +Routine Description: + + Called by the framework as soon as it receives a Device I/O request. + + Note that this callback may run concurrently to the read and write + queues' callbacks. This is acceptable in the context of this sample, + because the companion application runs Read/Write requests and IOCTL + requests sequentially, but your project might require some form of + synchronization. + +Arguments: + + Queue - Handle to the IOCTL Queue + Request - Handle to the IOCTL request + OutputBufferLength - Length of request's output buffer + InputBufferLength - Length of request's input buffer + IoControlCode - The IOCTL associated with the request + +Return Value: + +--*/ +{ + NTSTATUS status; + WDFDEVICE device; + PDEVICE_EXTENSION devExt; + PUCHAR outBuffer; + + UNREFERENCED_PARAMETER(InputBufferLength); + UNREFERENCED_PARAMETER(OutputBufferLength); + + device = WdfIoQueueGetDevice(Queue); + devExt = PLxGetDeviceContext(device); + + switch (IoControlCode) { + case IOCTL_PLX9X5X_TOGGLE_SINGLE_TRANSFER: + status = WdfRequestRetrieveOutputBuffer(Request, + sizeof(*outBuffer), + &outBuffer, + NULL); + if (!NT_SUCCESS(status)) { + TraceEvents(TRACE_LEVEL_ERROR, DBG_IOCTL, + "WdfRequestRetrieveOutputBuffer failed %!STATUS!", + status); + break; + } + + devExt->RequireSingleTransfer = !devExt->RequireSingleTransfer; + *outBuffer = (UCHAR)devExt->RequireSingleTransfer; + + WdfRequestSetInformation(Request, (ULONG_PTR)sizeof(*outBuffer)); + break; + + default: + status = STATUS_INVALID_DEVICE_REQUEST; + TraceEvents(TRACE_LEVEL_ERROR, DBG_IOCTL, + "Unknown IOCTL 0x%x %!STATUS!", + IoControlCode, + status); + break; + } + + WdfRequestComplete(Request, status); +} + diff --git a/general/PLX9x5x/sys/Pci9x5x.vcxproj b/general/PLX9x5x/sys/Pci9x5x.vcxproj index 6c79841e..c422c342 100644 --- a/general/PLX9x5x/sys/Pci9x5x.vcxproj +++ b/general/PLX9x5x/sys/Pci9x5x.vcxproj @@ -22,7 +22,7 @@ <ProjectGuid>{501DB362-22B7-4447-9F0B-690EE0F83CF3}</ProjectGuid> <RootNamespace>$(MSBuildProjectName)</RootNamespace> <KMDF_VERSION_MAJOR>1</KMDF_VERSION_MAJOR> - <KMDF_VERSION_MINOR>9</KMDF_VERSION_MINOR> + <KMDF_VERSION_MINOR>19</KMDF_VERSION_MINOR> <Configuration Condition="'$(Configuration)' == ''">Debug</Configuration> <Platform Condition="'$(Platform)' == ''">Win32</Platform> <SampleGuid>{01A592F9-DDED-4EDB-B96A-3B9061461BE3}</SampleGuid> @@ -127,6 +127,16 @@ <PreCompiledHeader>Use</PreCompiledHeader> <PreCompiledHeaderOutputFile>$(IntDir)\precomp.pch</PreCompiledHeaderOutputFile> </ClCompile> + <ClCompile Include="Control.c"> + <WppEnabled>true</WppEnabled> + <WppKernelMode>true</WppKernelMode> + <WppTraceFunction>TraceEvents(LEVEL,FLAGS,MSG,...)</WppTraceFunction> + <WppGenerateUsingTemplateFile>{km-WdfDefault.tpl}*.tmh</WppGenerateUsingTemplateFile> + <AdditionalIncludeDirectories>;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <PreCompiledHeaderFile>precomp.h</PreCompiledHeaderFile> + <PreCompiledHeader>Use</PreCompiledHeader> + <PreCompiledHeaderOutputFile>$(IntDir)\precomp.pch</PreCompiledHeaderOutputFile> + </ClCompile> <OtherWpp Include="Pci9656.rc"> <WppEnabled>true</WppEnabled> <WppKernelMode>true</WppKernelMode> |