[PATCH 2/5] xinput.sys: Introduce new xinput.sys driver.
Zebediah Figura (she/her)
zfigura at codeweavers.com
Mon Aug 23 11:40:29 CDT 2021
On 8/18/21 2:31 AM, Rémi Bernon wrote:
> Currently only acting as a pass-through driver, matching any device with
> a WINEBUS\WINE_COMP_XINPUT compatible id.
>
> This creates new PDO on the bus, adding the &IG_ device ID suffix to the
> original device ID (replacing an eventual &MI_ suffix), and removes the
> need to set the suffix on winebus.sys side.
>
> Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
Can we find something else to name this, so it's less ambiguous what
"xinput" refers to?
Maybe "winexinput"; this is a wine-specific DLL after all.
> ---
> configure.ac | 1 +
> dlls/winebus.sys/main.c | 27 +--
> dlls/xinput.sys/Makefile.in | 8 +
> dlls/xinput.sys/main.c | 393 ++++++++++++++++++++++++++++++++
> dlls/xinput.sys/xinput.inf | 22 ++
> dlls/xinput.sys/xinput.rc | 20 ++
> dlls/xinput.sys/xinput.sys.spec | 1 +
> loader/wine.inf.in | 1 +
> 8 files changed, 457 insertions(+), 16 deletions(-)
> create mode 100644 dlls/xinput.sys/Makefile.in
> create mode 100644 dlls/xinput.sys/main.c
> create mode 100644 dlls/xinput.sys/xinput.inf
> create mode 100644 dlls/xinput.sys/xinput.rc
> create mode 100644 dlls/xinput.sys/xinput.sys.spec
>
> diff --git a/configure.ac b/configure.ac
> index 7237289a2ad..7ff7869b37e 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -3895,6 +3895,7 @@ WINE_CONFIG_MAKEFILE(dlls/xaudio2_7)
> WINE_CONFIG_MAKEFILE(dlls/xaudio2_7/tests)
> WINE_CONFIG_MAKEFILE(dlls/xaudio2_8)
> WINE_CONFIG_MAKEFILE(dlls/xaudio2_9)
> +WINE_CONFIG_MAKEFILE(dlls/xinput.sys)
> WINE_CONFIG_MAKEFILE(dlls/xinput1_1)
> WINE_CONFIG_MAKEFILE(dlls/xinput1_2)
> WINE_CONFIG_MAKEFILE(dlls/xinput1_3)
> diff --git a/dlls/winebus.sys/main.c b/dlls/winebus.sys/main.c
> index e360416b5dd..17720bffbc5 100644
> --- a/dlls/winebus.sys/main.c
> +++ b/dlls/winebus.sys/main.c
> @@ -152,8 +152,6 @@ static CRITICAL_SECTION device_list_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
> static struct list pnp_devset = LIST_INIT(pnp_devset);
>
> static const WCHAR zero_serialW[]= {'0','0','0','0',0};
> -static const WCHAR miW[] = {'M','I',0};
> -static const WCHAR igW[] = {'I','G',0};
>
> static inline WCHAR *strdupW(const WCHAR *src)
> {
> @@ -201,25 +199,17 @@ static WCHAR *get_instance_id(DEVICE_OBJECT *device)
>
> static WCHAR *get_device_id(DEVICE_OBJECT *device)
> {
> + static const WCHAR input_formatW[] = {'&','M','I','_','%','0','2','u',0};
> static const WCHAR formatW[] = {'%','s','\\','v','i','d','_','%','0','4','x',
> '&','p','i','d','_','%','0','4','x',0};
> - static const WCHAR format_inputW[] = {'%','s','\\','v','i','d','_','%','0','4','x',
> - '&','p','i','d','_','%','0','4','x','&','%','s','_','%','0','2','i',0};
> struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
> DWORD len = strlenW(ext->busid) + 34;
> - WCHAR *dst;
> + WCHAR *dst, *tmp;
>
> if ((dst = ExAllocatePool(PagedPool, len * sizeof(WCHAR))))
> {
> - if (ext->input == (WORD)-1)
> - {
> - sprintfW(dst, formatW, ext->busid, ext->vid, ext->pid);
> - }
> - else
> - {
> - sprintfW(dst, format_inputW, ext->busid, ext->vid, ext->pid,
> - ext->is_gamepad ? igW : miW, ext->input);
> - }
> + tmp = dst + sprintfW(dst, formatW, ext->busid, ext->vid, ext->pid);
> + if (ext->input != (WORD)-1) sprintfW(tmp, input_formatW, ext->input);
> }
>
> return dst;
> @@ -245,12 +235,17 @@ static WCHAR *get_compatible_ids(DEVICE_OBJECT *device)
> {
> 'W','I','N','E','B','U','S','\\','W','I','N','E','_','C','O','M','P','_','H','I','D',0
> };
> - DWORD len = strlenW(hid_compat);
> + static const WCHAR xinput_compat[] =
> + {
> + 'W','I','N','E','B','U','S','\\','W','I','N','E','_','C','O','M','P','_','X','I','N','P','U','T',0
> + };
> + struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
> + DWORD len = strlenW(ext->is_gamepad ? xinput_compat : hid_compat);
> WCHAR *dst;
>
> if ((dst = ExAllocatePool(PagedPool, (len + 2) * sizeof(WCHAR))))
> {
> - strcpyW(dst, hid_compat);
> + strcpyW(dst, ext->is_gamepad ? xinput_compat : hid_compat);
> dst[len + 1] = 0;
> }
>
> diff --git a/dlls/xinput.sys/Makefile.in b/dlls/xinput.sys/Makefile.in
> new file mode 100644
> index 00000000000..52b00ef0528
> --- /dev/null
> +++ b/dlls/xinput.sys/Makefile.in
> @@ -0,0 +1,8 @@
> +MODULE = xinput.sys
> +IMPORTS = ntoskrnl
> +EXTRADLLFLAGS = -mno-cygwin -Wl,--subsystem,native
> +
> +C_SRCS = \
> + main.c
> +
> +RC_SRCS = xinput.rc
> diff --git a/dlls/xinput.sys/main.c b/dlls/xinput.sys/main.c
> new file mode 100644
> index 00000000000..b97ec49b325
> --- /dev/null
> +++ b/dlls/xinput.sys/main.c
> @@ -0,0 +1,393 @@
> +/*
> + * WINE XInput device driver
> + *
> + * Copyright 2021 Rémi Bernon for CodeWeavers
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
> + */
> +
> +#include <stdarg.h>
> +#include <stdlib.h>
> +
> +#include "ntstatus.h"
> +#define WIN32_NO_STATUS
> +#include "windef.h"
> +#include "winbase.h"
> +#include "winternl.h"
> +#include "winioctl.h"
> +
> +#include "cfgmgr32.h"
> +#include "ddk/wdm.h"
> +#include "ddk/hidport.h"
> +
> +#include "wine/debug.h"
> +
> +WINE_DEFAULT_DEBUG_CHANNEL(xinput);
> +
> +#if defined(__i386__) && !defined(_WIN32)
> +extern void *WINAPI wrap_fastcall_func1(void *func, const void *a);
> +__ASM_STDCALL_FUNC(wrap_fastcall_func1, 8,
> + "popl %ecx\n\t"
> + "popl %eax\n\t"
> + "xchgl (%esp),%ecx\n\t"
> + "jmp *%eax");
> +#define call_fastcall_func1(func,a) wrap_fastcall_func1(func,a)
> +#else
> +#define call_fastcall_func1(func,a) func(a)
> +#endif
> +
> +struct device_state
This is a weird thing to call this, because it's not dynamic at all.
Also, maybe a slightly more idiomatic structure would be to hold a
pointer to the parent device as a struct device_extension, and then
access its members through that pointer?
> +{
> + DEVICE_OBJECT *bus_pdo;
> + DEVICE_OBJECT *xinput_pdo;
This is ambiguous, how about "child_pdo"?
> +
> + WCHAR bus_id[MAX_DEVICE_ID_LEN];
> + WCHAR instance_id[MAX_DEVICE_ID_LEN];
> +};
> +
> +struct device_extension
Can we please not call this "device_extension"? I know we use that in
other DLLs, but I think it's rather unclear. "struct device" seems
better to me.
> +{
> + BOOL is_fdo;
> + BOOL removed;
> +
> + WCHAR device_id[MAX_DEVICE_ID_LEN];
> + struct device_state *state;
> +};
> +
> +static inline struct device_extension *ext_from_DEVICE_OBJECT(DEVICE_OBJECT *device)
> +{
> + return (struct device_extension *)device->DeviceExtension;
> +}
> +
> +static NTSTATUS WINAPI internal_ioctl(DEVICE_OBJECT *device, IRP *irp)
> +{
> + struct device_extension *ext = ext_from_DEVICE_OBJECT(device);
> + IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
> + ULONG code = stack->Parameters.DeviceIoControl.IoControlCode;
> + struct device_state *state = ext->state;
> +
> + if (InterlockedOr(&ext->removed, FALSE))
> + {
> + irp->IoStatus.Status = STATUS_DELETE_PENDING;
> + irp->IoStatus.Information = 0;
> + IoCompleteRequest(irp, IO_NO_INCREMENT);
> + }
> +
> + TRACE("device %p, irp %p, code %#x, bus_pdo %p.\n", device, irp, code, state->bus_pdo);
> +
> + IoSkipCurrentIrpStackLocation(irp);
> + return IoCallDriver(state->bus_pdo, irp);
> +}
> +
> +static WCHAR *query_instance_id(DEVICE_OBJECT *device)
> +{
> + struct device_extension *ext = ext_from_DEVICE_OBJECT(device);
> + struct device_state *state = ext->state;
> + DWORD len = wcslen(state->instance_id);
> + WCHAR *dst;
> +
> + if ((dst = ExAllocatePool(PagedPool, len * sizeof(WCHAR))))
> + wcscpy(dst, state->instance_id);
> +
> + return dst;
> +}
> +
> +static WCHAR *query_device_id(DEVICE_OBJECT *device)
> +{
> + struct device_extension *ext = ext_from_DEVICE_OBJECT(device);
> + DWORD len = wcslen(ext->device_id);
> + WCHAR *dst;
> +
> + if ((dst = ExAllocatePool(PagedPool, len * sizeof(WCHAR))))
> + wcscpy(dst, ext->device_id);
> +
> + return dst;
> +}
> +
> +static WCHAR *query_hardware_ids(DEVICE_OBJECT *device)
> +{
> + struct device_extension *ext = (struct device_extension *)device->DeviceExtension;
> + DWORD len = wcslen(ext->device_id);
> + WCHAR *dst;
> +
> + if ((dst = ExAllocatePool(PagedPool, (len + 2) * sizeof(WCHAR))))
> + {
> + wcscpy(dst, ext->device_id);
> + dst[len + 1] = 0;
> + }
> +
> + return dst;
> +}
> +
> +static WCHAR *query_compatible_ids(DEVICE_OBJECT *device)
> +{
> + DWORD len = wcslen(L"WINEBUS\\WINE_COMP_HID");
Nitpick, but it strikes me as odd to define "len" instead of defining
the string constant itself.
> + WCHAR *dst;
> +
> + if ((dst = ExAllocatePool(PagedPool, (len + 2) * sizeof(WCHAR))))
> + {
> + wcscpy(dst, L"WINEBUS\\WINE_COMP_HID");
Also, you've just used "len", so this should be memcmp. Same for the others.
> + dst[len + 1] = 0;
> + }
> +
> + return dst;
> +}
> +
> +static NTSTATUS WINAPI pdo_pnp(DEVICE_OBJECT *device, IRP *irp)
> +{
> + struct device_extension *ext = ext_from_DEVICE_OBJECT(device);
> + IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
> + struct device_state *state = ext->state;
> + ULONG code = stack->MinorFunction;
> + NTSTATUS status;
> +
> + TRACE("device %p, irp %p, code %#x, bus_pdo %p.\n", device, irp, code, state->bus_pdo);
> +
> + switch (code)
> + {
> + case IRP_MN_START_DEVICE:
> + status = STATUS_SUCCESS;
> + break;
> +
> + case IRP_MN_SURPRISE_REMOVAL:
> + status = STATUS_SUCCESS;
> + if (InterlockedExchange(&ext->removed, TRUE)) break;
> + break;
> +
> + case IRP_MN_REMOVE_DEVICE:
> + irp->IoStatus.Status = STATUS_SUCCESS;
> + IoCompleteRequest(irp, IO_NO_INCREMENT);
> + IoDeleteDevice(device);
> + return STATUS_SUCCESS;
> +
> + case IRP_MN_QUERY_ID:
> + switch (stack->Parameters.QueryId.IdType)
> + {
> + case BusQueryHardwareIDs:
> + irp->IoStatus.Information = (ULONG_PTR)query_hardware_ids(device);
> + break;
> + case BusQueryCompatibleIDs:
> + irp->IoStatus.Information = (ULONG_PTR)query_compatible_ids(device);
> + break;
> + case BusQueryDeviceID:
> + irp->IoStatus.Information = (ULONG_PTR)query_device_id(device);
> + break;
> + case BusQueryInstanceID:
> + irp->IoStatus.Information = (ULONG_PTR)query_instance_id(device);
> + break;
> + default:
> + IoSkipCurrentIrpStackLocation(irp);
> + return IoCallDriver(state->bus_pdo, irp);
> + }
> +
> + if (!irp->IoStatus.Information) status = STATUS_NO_MEMORY;
> + else status = STATUS_SUCCESS;
> + break;
> +
> + default:
> + IoSkipCurrentIrpStackLocation(irp);
> + return IoCallDriver(state->bus_pdo, irp);
> + }
> +
> + irp->IoStatus.Status = status;
> + IoCompleteRequest(irp, IO_NO_INCREMENT);
> + return status;
> +}
> +
> +static void create_child_pdos(DEVICE_OBJECT *fdo)
> +{
> + struct device_extension *fdo_ext = fdo->DeviceExtension, *pdo_ext;
> + struct device_state *state = fdo_ext->state;
> + DEVICE_OBJECT *xinput_pdo;
> + UNICODE_STRING string;
> + WCHAR *tmp, pdo_name[255];
> + NTSTATUS status;
> +
> + swprintf(pdo_name, ARRAY_SIZE(pdo_name), L"\\Device\\%s#%p&%p", state->bus_id, fdo->DriverObject, state->bus_pdo);
> + RtlInitUnicodeString(&string, pdo_name);
> + if ((status = IoCreateDevice(fdo->DriverObject, sizeof(*pdo_ext), &string, 0, 0, FALSE, &xinput_pdo)))
> + {
> + ERR( "failed to create xinput PDO, status %#x.\n", status );
> + return;
> + }
> +
> + pdo_ext = xinput_pdo->DeviceExtension;
> + pdo_ext->is_fdo = FALSE;
> + pdo_ext->state = state;
> + wcscpy(pdo_ext->device_id, fdo_ext->device_id);
> + if ((tmp = wcsstr(pdo_ext->device_id, L"&MI_"))) memcpy(tmp, L"&IG", 6);
> + else wcscat(pdo_ext->device_id, L"&IG_00");
I hate to nitpick, but can we please add some newlines here? This is not
easy to read.
> +
> + state->xinput_pdo = xinput_pdo;
> +
> + TRACE("fdo %p, xinput PDO %p.\n", fdo, xinput_pdo);
> +
> + IoInvalidateDeviceRelations(state->bus_pdo, BusRelations);
> +}
> +
> +static NTSTATUS WINAPI fdo_pnp(DEVICE_OBJECT *device, IRP *irp)
> +{
> + struct device_extension *ext = ext_from_DEVICE_OBJECT(device);
> + IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
> + struct device_state *state = ext->state;
> + ULONG code = stack->MinorFunction;
> + DEVICE_RELATIONS *devices;
> + DEVICE_OBJECT *child;
> + NTSTATUS status;
> +
> + TRACE("device %p, irp %p, code %#x, bus_pdo %p.\n", device, irp, code, state->bus_pdo);
> +
> + switch (stack->MinorFunction)
> + {
> + case IRP_MN_QUERY_DEVICE_RELATIONS:
> + if (stack->Parameters.QueryDeviceRelations.Type == BusRelations)
> + {
> + if (!(devices = ExAllocatePool(PagedPool, offsetof(DEVICE_RELATIONS, Objects[2]))))
> + {
> + irp->IoStatus.Status = STATUS_NO_MEMORY;
> + IoCompleteRequest(irp, IO_NO_INCREMENT);
> + return STATUS_NO_MEMORY;
> + }
> +
> + devices->Count = 0;
> + if ((child = state->xinput_pdo))
> + {
> + devices->Objects[devices->Count] = child;
> + call_fastcall_func1(ObfReferenceObject, child);
> + devices->Count++;
> + }
> +
> + irp->IoStatus.Information = (ULONG_PTR)devices;
> + irp->IoStatus.Status = STATUS_SUCCESS;
> + }
> +
> + IoSkipCurrentIrpStackLocation(irp);
> + return IoCallDriver(state->bus_pdo, irp);
> +
> + case IRP_MN_START_DEVICE:
> + IoSkipCurrentIrpStackLocation(irp);
> + if (!(status = IoCallDriver(state->bus_pdo, irp)))
> + create_child_pdos(device);
> + return status;
> +
> + case IRP_MN_REMOVE_DEVICE:
> + IoSkipCurrentIrpStackLocation(irp);
> + status = IoCallDriver(state->bus_pdo, irp);
> + IoDetachDevice(state->bus_pdo);
> + IoDeleteDevice(device);
> + return status;
> +
> + default:
> + IoSkipCurrentIrpStackLocation(irp);
> + return IoCallDriver(state->bus_pdo, irp);
> + }
> +
> + return STATUS_SUCCESS;
> +}
> +
> +static NTSTATUS WINAPI driver_pnp(DEVICE_OBJECT *device, IRP *irp)
> +{
> + struct device_extension *ext = ext_from_DEVICE_OBJECT(device);
> +
> + if (ext->is_fdo) return fdo_pnp(device, irp);
> + return pdo_pnp(device, irp);
> +}
> +
> +static NTSTATUS get_device_id(DEVICE_OBJECT *device, BUS_QUERY_ID_TYPE type, WCHAR *id)
> +{
> + IO_STACK_LOCATION *stack;
> + IO_STATUS_BLOCK io;
> + KEVENT event;
> + IRP *irp;
> +
> + KeInitializeEvent(&event, NotificationEvent, FALSE);
> + irp = IoBuildSynchronousFsdRequest(IRP_MJ_PNP, device, NULL, 0, NULL, &event, &io);
> + if (irp == NULL) return STATUS_NO_MEMORY;
> +
> + stack = IoGetNextIrpStackLocation(irp);
> + stack->MinorFunction = IRP_MN_QUERY_ID;
> + stack->Parameters.QueryId.IdType = type;
> +
> + if (IoCallDriver(device, irp) == STATUS_PENDING)
> + KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
> +
> + wcscpy(id, (WCHAR *)io.Information);
> + ExFreePool((WCHAR *)io.Information);
> + return io.Status;
> +}
> +
> +static NTSTATUS WINAPI add_device(DRIVER_OBJECT *driver, DEVICE_OBJECT *bus_pdo)
> +{
> + WCHAR bus_id[MAX_DEVICE_ID_LEN], *device_id, instance_id[MAX_DEVICE_ID_LEN];
> + struct device_extension *ext;
> + struct device_state *state;
> + DEVICE_OBJECT *fdo;
> + NTSTATUS status;
> +
> + TRACE("driver %p, bus_pdo %p.\n", driver, bus_pdo);
> +
> + if ((status = get_device_id(bus_pdo, BusQueryDeviceID, bus_id)))
> + {
> + ERR("failed to get PDO device id, status %#x.\n", status);
> + return status;
> + }
> +
> + if ((device_id = wcsrchr(bus_id, '\\'))) *device_id++ = 0;
> + else
> + {
> + ERR("unexpected device id %s\n", debugstr_w(bus_id));
> + return STATUS_UNSUCCESSFUL;
> + }
> +
> + if ((status = get_device_id(bus_pdo, BusQueryInstanceID, instance_id)))
> + {
> + ERR("failed to get PDO instance id, status %#x.\n", status);
> + return status;
> + }
> +
> + if ((status = IoCreateDevice(driver, sizeof(*ext) + sizeof(struct device_state), NULL,
> + FILE_DEVICE_BUS_EXTENDER, 0, FALSE, &fdo)))
> + {
> + ERR("failed to create bus FDO, status %#x.\n", status);
> + return status;
> + }
> +
> + ext = fdo->DeviceExtension;
> + ext->is_fdo = TRUE;
> + ext->state = (struct device_state *)(ext + 1);
> +
> + state = ext->state;
> + state->bus_pdo = bus_pdo;
> + wcscpy(state->bus_id, bus_id);
> + swprintf(ext->device_id, MAX_DEVICE_ID_LEN, L"%s\\%s", bus_id, device_id);
> + wcscpy(state->instance_id, instance_id);
> +
> + TRACE("fdo %p, bus %s, device %s, instance %s.\n", fdo, debugstr_w(state->bus_id), debugstr_w(ext->device_id), debugstr_w(state->instance_id));
> +
> + IoAttachDeviceToDeviceStack(fdo, bus_pdo);
> + fdo->Flags &= ~DO_DEVICE_INITIALIZING;
> + return STATUS_SUCCESS;
> +}
> +
> +NTSTATUS WINAPI DriverEntry(DRIVER_OBJECT *driver, UNICODE_STRING *path)
> +{
> + TRACE("driver %p, path %s.\n", driver, debugstr_w(path->Buffer));
> +
> + driver->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = internal_ioctl;
> + driver->MajorFunction[IRP_MJ_PNP] = driver_pnp;
> + driver->DriverExtension->AddDevice = add_device;
> +
> + return STATUS_SUCCESS;
> +}
Missing a DriverUnload; that'll prevent the driver from being unloaded.
> diff --git a/dlls/xinput.sys/xinput.inf b/dlls/xinput.sys/xinput.inf
> new file mode 100644
> index 00000000000..dcc5c87166f
> --- /dev/null
> +++ b/dlls/xinput.sys/xinput.inf
> @@ -0,0 +1,22 @@
> +[Version]
> +Signature="$CHICAGO$"
> +ClassGuid={4d36e97d-e325-11ce-bfc1-08002be10318}
> +Class=System
> +
> +[Manufacturer]
> +Wine=mfg_section
> +
> +[mfg_section]
> +Wine XInput compatible device=device_section,WINEBUS\WINE_COMP_XINPUT
> +
> +[device_section.Services]
> +AddService = xinput,0x2,svc_section
> +
> +[svc_section]
> +Description="Wine XInput device driver"
> +DisplayName="Wine XInput"
> +ServiceBinary="%12%\xinput.sys"
> +LoadOrderGroup="WinePlugPlay"
> +ServiceType=1
> +StartType=3
> +ErrorControl=1
> diff --git a/dlls/xinput.sys/xinput.rc b/dlls/xinput.sys/xinput.rc
> new file mode 100644
> index 00000000000..791dca8fccb
> --- /dev/null
> +++ b/dlls/xinput.sys/xinput.rc
> @@ -0,0 +1,20 @@
> +/*
> + * Copyright 2021 Rémi Bernon for CodeWeavers
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
> + */
> +
> +/* @makedep: xinput.inf */
> +1 WINE_DATA_FILE xinput.inf
> diff --git a/dlls/xinput.sys/xinput.sys.spec b/dlls/xinput.sys/xinput.sys.spec
> new file mode 100644
> index 00000000000..76421d7e35b
> --- /dev/null
> +++ b/dlls/xinput.sys/xinput.sys.spec
> @@ -0,0 +1 @@
> +# nothing to export
> diff --git a/loader/wine.inf.in b/loader/wine.inf.in
> index 49e4f45da27..9b8ec938c2f 100644
> --- a/loader/wine.inf.in
> +++ b/loader/wine.inf.in
> @@ -4060,6 +4060,7 @@ services,"@%11%\ws2_32.dll,-4"
> winebus.inf,"@%12%\winebus.sys,-1"
> winehid.inf,"@%12%\winehid.sys,-1"
> wineusb.inf,"@%12%\wineusb.sys,-1"
> +xinput.inf,"@%12%\xinput.sys,-1"
>
> [NlsFiles]
> c_037.nls
>
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