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Implemented new DS4 output report feature

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This commit is contained in:
Benjamin Höglinger-Stelzer
2022-08-06 16:37:45 +02:00
parent 11603f6b13
commit 7d81cf3d76
7 changed files with 101 additions and 76 deletions
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49
sys/Driver.cpp
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@@ -70,7 +70,7 @@ IoctlHandler_IoctlRecord ViGEmBus_IoctlSpecification[] =
{IOCTL_DS4_SUBMIT_REPORT, sizeof(DS4_SUBMIT_REPORT), 0, Bus_Ds4SubmitReportHandler},
{IOCTL_DS4_REQUEST_NOTIFICATION, sizeof(DS4_REQUEST_NOTIFICATION), sizeof(DS4_REQUEST_NOTIFICATION), Bus_Ds4RequestNotificationHandler},
{IOCTL_XUSB_GET_USER_INDEX, sizeof(XUSB_GET_USER_INDEX), sizeof(XUSB_GET_USER_INDEX), Bus_XusbGetUserIndexHandler},
{IOCTL_DS4_AWAIT_OUTPUT, sizeof(DS4_AWAIT_OUTPUT), sizeof(DS4_AWAIT_OUTPUT), Bus_Ds4AwaitOutputHandler},
{IOCTL_DS4_AWAIT_OUTPUT_AVAILABLE, sizeof(DS4_AWAIT_OUTPUT), sizeof(DS4_AWAIT_OUTPUT), Bus_Ds4AwaitOutputHandler},
};
//
@@ -319,10 +319,10 @@ DmfDeviceModulesAdd(
_In_ PDMFMODULE_INIT DmfModuleInit
)
{
UNREFERENCED_PARAMETER(Device);
FuncEntry(TRACE_DRIVER);
PFDO_DEVICE_DATA pDevCtx = FdoGetData(Device);
DMF_MODULE_ATTRIBUTES moduleAttributes;
DMF_CONFIG_IoctlHandler ioctlHandlerConfig;
DMF_CONFIG_IoctlHandler_AND_ATTRIBUTES_INIT(&ioctlHandlerConfig, &moduleAttributes);
@@ -339,6 +339,22 @@ DmfDeviceModulesAdd(
NULL
);
DMF_CONFIG_NotifyUserWithRequestMultiple notifyConfig;
DMF_CONFIG_NotifyUserWithRequestMultiple_AND_ATTRIBUTES_INIT(&notifyConfig, &moduleAttributes);
notifyConfig.MaximumNumberOfPendingRequests = 64 * 2;
notifyConfig.SizeOfDataBuffer = sizeof(DS4_AWAIT_OUTPUT);
notifyConfig.MaximumNumberOfPendingDataBuffers = 64;
notifyConfig.ModeType.Modes.ReplayLastMessageToNewClients = FALSE;
notifyConfig.CompletionCallback = Bus_EvtUserNotifyRequestComplete;
DMF_DmfModuleAdd(
DmfModuleInit,
&moduleAttributes,
WDF_NO_OBJECT_ATTRIBUTES,
&pDevCtx->UserNotification
);
FuncExitNoReturn(TRACE_DRIVER);
}
#pragma code_seg()
@@ -547,4 +563,31 @@ Return Value:
}
void Bus_EvtUserNotifyRequestComplete(
_In_ DMFMODULE DmfModule,
_In_ WDFREQUEST Request,
_In_opt_ ULONG_PTR Context,
_In_ NTSTATUS NtStatus
)
{
UNREFERENCED_PARAMETER(DmfModule);
auto pOutput = reinterpret_cast<PDS4_AWAIT_OUTPUT>(Context);
PDS4_AWAIT_OUTPUT pNotify = NULL;
size_t length = 0;
if (NT_SUCCESS(WdfRequestRetrieveOutputBuffer(
Request,
sizeof(DS4_AWAIT_OUTPUT),
reinterpret_cast<PVOID*>(&pNotify),
&length)))
{
RtlCopyMemory(pNotify, pOutput, sizeof(DS4_AWAIT_OUTPUT));
WdfRequestSetInformation(Request, sizeof(DS4_AWAIT_OUTPUT));
}
WdfRequestComplete(Request, NtStatus);
}
EXTERN_C_END