Windows应用程序响应主板上GPIO(SCI)设备中断 软件篇

Scope(_SB) {    Device(HAND) { #HAND->Han's device        Name(_HID, EISAID("HAN0000"))          Method(_STA) {                Return(0x0B)        }    }}

[Version]Signature="$CHICAGO$"Class=SystemClassGuid={4d36e97d-e325-11ce-bfc1-08002be10318}Provider=%TOS%CatalogFile=demo.catDriverVer=02/23/2021,2.2.0.0  [DestinationDirs]demoNT.CopyFiles = 12  [Manufacturer]%HAN%=Demo,NTx86,NTia64,NTamd64  [ControlFlags]ExcludeFromSelect = *HAN0000  [Demo.NTx86]%*HAN0000.DeviceDescNTx86%=demo,*HAN0000  [Demo.NTia64]%*HAN0000.DeviceDescNTia64%=demo,*HAN0000  [Demo.NTamd64]%*HAN0000.DeviceDescNTamd64%=demo,*HAN0000  [SourceDisksNames]1=%demo%  [SourceDisksFiles]demo.SYS = 1  [demo.NT]CopyFiles=demoNT.CopyFiles  [demo.NT.Services]AddService=demo,2,demo_Service_Inst  [demo_Service_Inst]DisplayName    = %demo.SvcDesc%ServiceType    = 1StartType      = 0ErrorControl   = 1ServiceBinary  = %12%demo.SYS  [demoNT.CopyFiles]demo.SYS    [strings]HAN                        = "HAN Co., Ltd."demo                      = "demo"*HAN0000.DeviceDescNTx86   = "Demo x86 ACPI-Compliant Value Added Logical and General Purpose Device"*HAN0000.DeviceDescNTia64  = "Demo ia64 ACPI-Compliant Value Added Logical and General Purpose Device"*HAN0000.DeviceDescNTamd64 = "Demo x64 ACPI-Compliant Value Added Logical and General Purpose Device"demo.SvcDesc              = "Demo ACPI-Based Value Added Logical and General Purpose Device Driver"

Inf2cat.exe /driver:E:WinDDkmy_testobjchk_win7_amd64amd64 /os:7_x64

Signtool sign /a /v /s PrivateCertStore /n Contoso.com(Test) demo.catSigntool sign /a /v /s PrivateCertStore /n Contoso.com(Test) demo.sys

External(_SB.HAND, MethodObj)    Method (_L56, 0, Serialized){    DSTR("l-event _L56");    Notify(_SB.HAND,0x9A)  }

NTSTATUSDemoAddDevice(__in PDRIVER_OBJECT DriverObject,               __in PDEVICE_OBJECT PhysicalDeviceObject                ){    //Phase 1    PDEVICE_OBJECT  fdo = NULL;    PDEVICE_OBJECT  lowerDevice = NULL;    PDemoDATA       demoData;         RtlInitUnicodeString(&NameString, L"\Device\demo");    status = IoCreateDevice (                    DriverObject,           // our driver object                    sizeof (DEMODATA),     // device object extension size                    &NameString,            // FDOs do not have names                    FILE_DEVICE_UNKNOWN,                    0,                      // No special characteristics                    FALSE,                    &fdo);      lowerDevice = IoAttachDeviceToDeviceStack(fdo,PhysicalDeviceObject);    demoData= fdo->DeviceExtension;    demoData->DeviceObject = fdo;    demoData->LowerDeviceObject = lowerDevice;    demoData->Pdo = PhysicalDeviceObject;      //Phase 2    status = GetAcpiInterfaces(demoData);    RegisterNotifyHandler(demoData);    KeInitializeSpinLock(&demoData->RetrieveLock);      //Phase 3    RtlInitUnicodeString(&DOSNameString, L"\DosDevices\demo");    status = IoCreateSymbolicLink(&DOSNameString, &NameString);    fdo->Flags &= ~DO_DEVICE_INITIALIZING;    fdo->Flags |= DO_POWER_PAGABLE;}

extern ACPI_INTERFACE_STANDARD AcpiInterfaces;  NTSTATUSGetAcpiInterfaces(IN DemoDATA demoData){    KEVENT              event;    IO_STATUS_BLOCK     ioStatus;    NTSTATUS            status;    PIRP                Irp;    PIO_STACK_LOCATION  irpSp;      KeInitializeEvent(&event, SynchronizationEvent, FALSE);      Irp = IoBuildSynchronousFsdRequest(        IRP_MJ_PNP,        demoData->LowerDeviceObject,        NULL,        0,        NULL,        &event,        &ioStatus        );      if (!Irp) {        return(STATUS_INSUFFICIENT_RESOURCES);    }      Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;    Irp->IoStatus.Information = 0;        irpSp = IoGetNextIrpStackLocation(Irp);      irpSp->MajorFunction = IRP_MJ_PNP;    irpSp->MinorFunction = IRP_MN_QUERY_INTERFACE;    irpSp->Parameters.QueryInterface.InterfaceType          = (LPGUID) &GUID_ACPI_INTERFACE_STANDARD;    irpSp->Parameters.QueryInterface.Version                = 1;    irpSp->Parameters.QueryInterface.Size                   = sizeof (AcpiInterfaces);    irpSp->Parameters.QueryInterface.Interface              = (PINTERFACE) &AcpiInterfaces;    irpSp->Parameters.QueryInterface.InterfaceSpecificData  = NULL;      //    // send the request down    //    status = IoCallDriver(demoData->LowerDeviceObject, Irp);      return status;}

NTSTATUSRegisterNotifyHandler(IN PDemoData demoData){    NTSTATUS    status;      status = AcpiInterfaces.RegisterForDeviceNotifications(                demoData->Pdo,                demoNotifyHandler,                AcpiInterfaces.Context                );        return status;}

#define TVALDDRVR_DEVICE_OPEN_NAME   TEXT("\\.\demo")      hDriver = ::CreateFile(TVALZ_DEVICE_OPEN_NAME,                            GENERIC_READ,                            FILE_SHARE_READ,                            NULL,                            OPEN_EXISTING,                            FILE_ATTRIBUTE_NORMAL |                            FILE_FLAG_OVERLAPPED ,                            NULL);  ::DeviceIoControl(m_hDriver,                     IOCTL_TVALZ_RETRIEVE_EVENT,                    &iaeInputBuffer,                     sizeof(iaeInputBuffer),                    &iaeOutputBuffer,                     sizeof(iaeOutputBuffer),                    &dwReturned, &ol);if (::GetLastError() == ERROR_IO_PENDING){    dwResult = ::WaitForMultipleObjects(2, hEventArray, FALSE, INFINITE) - WAIT_OBJECT_0;}

#define GPIO_QEVENT_L56                              0x9a //_GPE._L56 发出的Notify Code的值为0x9A   VOIDdemoNotifyHandler(IN PVOID Context,                   IN ULONG ulNotifyValue                  ){    KIRQL               Irql;    PULONG              pNotification;    PLIST_RETRIEVE_IRP  pEntry, pNextEntry;    PIOBUF_ACPI_EVENT   pAcpiEvent;      UINT64             MsrData64 = 0; //AddNewEvent+    WORK_QUEUE_ITEM*   turboWorkItem; //AddNewEvent+    PIRP               retrieveIrp;      DebugPrint(-1,(" :     NotifyHandler...Notification=%xn", ulNotifyValue));          KeAcquireSpinLock(&RetrieveLock, &Irql);        if (!IsListEmpty((PLIST_ENTRY)&RetrieveList)) {            for (pEntry = (PLIST_RETRIEVE_IRP)RetrieveList.ListEntry.Flink; pEntry != &RetrieveList; pEntry = pNextEntry) {                pNextEntry = (PLIST_RETRIEVE_IRP)pEntry->ListEntry.Flink;                pAcpiEvent = (PIOBUF_ACPI_EVENT)pEntry->pIrp->AssociatedIrp.SystemBuffer;                  if (pAcpiEvent->ulNotifyCode == ulNotifyValue) {                    RemoveEntryList((PLIST_ENTRY)pEntry);                    InsertTailList((PLIST_ENTRY)&CompleteList, (PLIST_ENTRY)pEntry);                        if(ulNotifyValue == GPIO_QEVENT_L56)                    {                        DebugInfo(1,("Demo:receive Q-event _L56n"));                    }                    else                    {}//tvalz_AddNewEvent+                                   }            }        }        KeReleaseSpinLock(&RetrieveLock, Irql);          if (!IsListEmpty((PLIST_ENTRY)&CompleteList)) {            for (pEntry = (PLIST_RETRIEVE_IRP)CompleteList.ListEntry.Flink; pEntry != &CompleteList; pEntry = pNextEntry) {                pNextEntry = (PLIST_RETRIEVE_IRP)pEntry->ListEntry.Flink;                RemoveEntryList((PLIST_ENTRY)pEntry);                IoSetCancelRoutine(pEntry->pIrp, NULL);                  pAcpiEvent = (PIOBUF_ACPI_EVENT)pEntry->pIrp->AssociatedIrp.SystemBuffer;                pAcpiEvent->dwStatus = STATUS_SUCCESS;                pEntry->pIrp->IoStatus.Information = sizeof(PIOBUF_ACPI_EVENT);                pEntry->pIrp->IoStatus.Status = STATUS_SUCCESS;                IoCompleteRequest(pEntry->pIrp, IO_NO_INCREMENT);              }        }      TvalzDebug(Tvalz_INFO,("TVALZ : NotifyHandler...endn"));}