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wineusb.sys: Implement IRP_MN_QUERY_DEVICE_RELATIONS. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-04-15 09:43:23 -05:00 committed by Alexandre Julliard
parent b0c2e5c6ce
commit 5b47a2db6c
1 changed files with 53 additions and 0 deletions
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53
dlls/wineusb.sys/wineusb.c
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@ -38,6 +38,23 @@
WINE_DEFAULT_DEBUG_CHANNEL(wineusb);
#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
#define DECLARE_CRITICAL_SECTION(cs) \
static CRITICAL_SECTION cs; \
static CRITICAL_SECTION_DEBUG cs##_debug = \
@ -172,6 +189,42 @@ static NTSTATUS fdo_pnp(IRP *irp)
switch (stack->MinorFunction)
{
case IRP_MN_QUERY_DEVICE_RELATIONS:
{
struct usb_device *device;
DEVICE_RELATIONS *devices;
unsigned int i = 0;
if (stack->Parameters.QueryDeviceRelations.Type != BusRelations)
{
FIXME("Unhandled device relations type %#x.\n", stack->Parameters.QueryDeviceRelations.Type);
break;
}
EnterCriticalSection(&wineusb_cs);
if (!(devices = ExAllocatePool(PagedPool,
offsetof(DEVICE_RELATIONS, Objects[list_count(&device_list)]))))
{
LeaveCriticalSection(&wineusb_cs);
irp->IoStatus.Status = STATUS_NO_MEMORY;
break;
}
LIST_FOR_EACH_ENTRY(device, &device_list, struct usb_device, entry)
{
devices->Objects[i++] = device->device_obj;
call_fastcall_func1(ObfReferenceObject, device->device_obj);
}
LeaveCriticalSection(&wineusb_cs);
devices->Count = i;
irp->IoStatus.Information = (ULONG_PTR)devices;
irp->IoStatus.Status = STATUS_SUCCESS;
break;
}
case IRP_MN_START_DEVICE:
if ((ret = libusb_hotplug_register_callback(NULL,
LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED | LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT,