[PATCH 3/6] wineusb.sys: Implement basic IRP_MJ_PNP requests for the bus FDO.
Zebediah Figura
z.figura12 at gmail.com
Tue Apr 14 22:28:32 CDT 2020
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
dlls/wineusb.sys/wineusb.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/dlls/wineusb.sys/wineusb.c b/dlls/wineusb.sys/wineusb.c
index 6af8a9aaa5..14795f4ec4 100644
--- a/dlls/wineusb.sys/wineusb.c
+++ b/dlls/wineusb.sys/wineusb.c
@@ -40,6 +40,41 @@ WINE_DEFAULT_DEBUG_CHANNEL(wineusb);
static DEVICE_OBJECT *bus_fdo, *bus_pdo;
+static NTSTATUS fdo_pnp(IRP *irp)
+{
+ IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
+ NTSTATUS ret;
+
+ TRACE("irp %p, minor function %#x.\n", irp, stack->MinorFunction);
+
+ switch (stack->MinorFunction)
+ {
+ case IRP_MN_START_DEVICE:
+ case IRP_MN_SURPRISE_REMOVAL:
+ irp->IoStatus.Status = STATUS_SUCCESS;
+ break;
+
+ case IRP_MN_REMOVE_DEVICE:
+ irp->IoStatus.Status = STATUS_SUCCESS;
+ IoSkipCurrentIrpStackLocation(irp);
+ ret = IoCallDriver(bus_pdo, irp);
+ IoDetachDevice(bus_pdo);
+ IoDeleteDevice(bus_fdo);
+ return ret;
+
+ default:
+ FIXME("Unhandled minor function %#x.\n", stack->MinorFunction);
+ }
+
+ IoSkipCurrentIrpStackLocation(irp);
+ return IoCallDriver(bus_pdo, irp);
+}
+
+static NTSTATUS WINAPI driver_pnp(DEVICE_OBJECT *device, IRP *irp)
+{
+ return fdo_pnp(irp);
+}
+
static NTSTATUS WINAPI driver_add_device(DRIVER_OBJECT *driver, DEVICE_OBJECT *pdo)
{
NTSTATUS ret;
@@ -78,6 +113,7 @@ NTSTATUS WINAPI DriverEntry(DRIVER_OBJECT *driver, UNICODE_STRING *path)
driver->DriverExtension->AddDevice = driver_add_device;
driver->DriverUnload = driver_unload;
+ driver->MajorFunction[IRP_MJ_PNP] = driver_pnp;
return STATUS_SUCCESS;
}
--
2.26.0
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