[PATCH 1/4] hidclass.sys: Expose an ioctl to retrieve the raw input handle.
Zebediah Figura
zfigura at codeweavers.com
Mon Jun 6 13:53:29 CDT 2022
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
dlls/hidclass.sys/device.c | 14 ++++++++++++++
include/ddk/hidclass.h | 5 +++++
2 files changed, 19 insertions(+)
diff --git a/dlls/hidclass.sys/device.c b/dlls/hidclass.sys/device.c
index 9d917bbc674..db645495987 100644
--- a/dlls/hidclass.sys/device.c
+++ b/dlls/hidclass.sys/device.c
@@ -655,6 +655,20 @@ NTSTATUS WINAPI pdo_ioctl(DEVICE_OBJECT *device, IRP *irp)
case IOCTL_HID_SET_OUTPUT_REPORT:
status = hid_device_xfer_report( ext, code, irp );
break;
+
+ case IOCTL_HID_GET_RAWINPUT_HANDLE:
+ if (irpsp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(ULONG))
+ {
+ status = STATUS_BUFFER_OVERFLOW;
+ }
+ else
+ {
+ *(ULONG *)irp->AssociatedIrp.SystemBuffer = ext->u.pdo.rawinput_handle;
+ irp->IoStatus.Information = sizeof(ULONG);
+ status = STATUS_SUCCESS;
+ }
+ break;
+
default:
{
ULONG code = irpsp->Parameters.DeviceIoControl.IoControlCode;
diff --git a/include/ddk/hidclass.h b/include/ddk/hidclass.h
index f5439ac8e95..253f309474d 100644
--- a/include/ddk/hidclass.h
+++ b/include/ddk/hidclass.h
@@ -58,6 +58,11 @@ DEFINE_GUID (GUID_DEVINTERFACE_HID, \
#define IOCTL_HID_SET_DRIVER_CONFIG HID_BUFFER_CTL_CODE(101)
#define IOCTL_HID_GET_MS_GENRE_DESCRIPTOR HID_OUT_CTL_CODE(121)
+/* Wine extension */
+#ifdef __WINESRC__
+#define IOCTL_HID_GET_RAWINPUT_HANDLE HID_BUFFER_CTL_CODE(300)
+#endif
+
typedef struct _HID_COLLECTION_INFORMATION {
ULONG DescriptorSize;
BOOLEAN Polled;
--
2.35.1
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