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wineusb.sys: Create USB devices.

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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 09:43:22 -05:00 committed by Alexandre Julliard
parent eb8cb9e0cf
commit b0c2e5c6ce
2 changed files with 161 additions and 1 deletions
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160
dlls/wineusb.sys/wineusb.c
View file

@ -38,11 +38,115 @@
WINE_DEFAULT_DEBUG_CHANNEL(wineusb);
#define DECLARE_CRITICAL_SECTION(cs) \
static CRITICAL_SECTION cs; \
static CRITICAL_SECTION_DEBUG cs##_debug = \
{ 0, 0, &cs, { &cs##_debug.ProcessLocksList, &cs##_debug.ProcessLocksList }, \
0, 0, { (DWORD_PTR)(__FILE__ ": " # cs) }}; \
static CRITICAL_SECTION cs = { &cs##_debug, -1, 0, 0, 0, 0 };
DECLARE_CRITICAL_SECTION(wineusb_cs);
static struct list device_list = LIST_INIT(device_list);
struct usb_device
{
struct list entry;
DEVICE_OBJECT *device_obj;
libusb_device *libusb_device;
libusb_device_handle *handle;
};
static DRIVER_OBJECT *driver_obj;
static DEVICE_OBJECT *bus_fdo, *bus_pdo;
static libusb_hotplug_callback_handle hotplug_cb_handle;
static void add_usb_device(libusb_device *libusb_device)
{
static const WCHAR formatW[] = {'\\','D','e','v','i','c','e','\\','U','S','B','P','D','O','-','%','u',0};
struct libusb_device_descriptor device_desc;
static unsigned int name_index;
libusb_device_handle *handle;
struct usb_device *device;
DEVICE_OBJECT *device_obj;
UNICODE_STRING string;
NTSTATUS status;
WCHAR name[20];
int ret;
libusb_get_device_descriptor(libusb_device, &device_desc);
TRACE("Adding new device %p, vendor %04x, product %04x.\n", libusb_device,
device_desc.idVendor, device_desc.idProduct);
if ((ret = libusb_open(libusb_device, &handle)))
{
WARN("Failed to open device: %s\n", libusb_strerror(ret));
return;
}
sprintfW(name, formatW, name_index++);
RtlInitUnicodeString(&string, name);
if ((status = IoCreateDevice(driver_obj, sizeof(*device), &string,
FILE_DEVICE_USB, 0, FALSE, &device_obj)))
{
ERR("Failed to create device, status %#x.\n", status);
LeaveCriticalSection(&wineusb_cs);
libusb_close(handle);
return;
}
device = device_obj->DeviceExtension;
device->device_obj = device_obj;
device->libusb_device = libusb_ref_device(libusb_device);
device->handle = handle;
EnterCriticalSection(&wineusb_cs);
list_add_tail(&device_list, &device->entry);
LeaveCriticalSection(&wineusb_cs);
IoInvalidateDeviceRelations(bus_pdo, BusRelations);
}
static void remove_usb_device(libusb_device *libusb_device)
{
struct usb_device *device;
TRACE("Removing device %p.\n", libusb_device);
EnterCriticalSection(&wineusb_cs);
LIST_FOR_EACH_ENTRY(device, &device_list, struct usb_device, entry)
{
if (device->libusb_device == libusb_device)
{
libusb_unref_device(device->libusb_device);
libusb_close(device->handle);
list_remove(&device->entry);
IoInvalidateDeviceRelations(bus_pdo, BusRelations);
IoDeleteDevice(device->device_obj);
break;
}
}
LeaveCriticalSection(&wineusb_cs);
}
static BOOL thread_shutdown;
static HANDLE event_thread;
static int LIBUSB_CALL hotplug_cb(libusb_context *context, libusb_device *device,
libusb_hotplug_event event, void *user_data)
{
if (event == LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED)
add_usb_device(device);
else
remove_usb_device(device);
return 0;
}
static DWORD CALLBACK event_thread_proc(void *arg)
{
int ret;
@ -69,22 +173,49 @@ static NTSTATUS fdo_pnp(IRP *irp)
switch (stack->MinorFunction)
{
case IRP_MN_START_DEVICE:
if ((ret = libusb_hotplug_register_callback(NULL,
LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED | LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT,
LIBUSB_HOTPLUG_ENUMERATE, LIBUSB_HOTPLUG_MATCH_ANY, LIBUSB_HOTPLUG_MATCH_ANY,
LIBUSB_HOTPLUG_MATCH_ANY, hotplug_cb, NULL, &hotplug_cb_handle)))
{
ERR("Failed to register callback: %s\n", libusb_strerror(ret));
irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
break;
}
irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_SURPRISE_REMOVAL:
irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_REMOVE_DEVICE:
{
struct usb_device *device, *cursor;
libusb_hotplug_deregister_callback(NULL, hotplug_cb_handle);
thread_shutdown = TRUE;
libusb_interrupt_event_handler(NULL);
WaitForSingleObject(event_thread, INFINITE);
CloseHandle(event_thread);
EnterCriticalSection(&wineusb_cs);
LIST_FOR_EACH_ENTRY_SAFE(device, cursor, &device_list, struct usb_device, entry)
{
libusb_unref_device(device->libusb_device);
libusb_close(device->handle);
list_remove(&device->entry);
IoDeleteDevice(device->device_obj);
}
LeaveCriticalSection(&wineusb_cs);
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);
@ -94,9 +225,34 @@ static NTSTATUS fdo_pnp(IRP *irp)
return IoCallDriver(bus_pdo, irp);
}
static NTSTATUS pdo_pnp(DEVICE_OBJECT *device_obj, IRP *irp)
{
IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
NTSTATUS ret = irp->IoStatus.Status;
TRACE("device_obj %p, irp %p, minor function %#x.\n", device_obj, irp, stack->MinorFunction);
switch (stack->MinorFunction)
{
case IRP_MN_START_DEVICE:
case IRP_MN_QUERY_CAPABILITIES:
ret = STATUS_SUCCESS;
break;
default:
FIXME("Unhandled minor function %#x.\n", stack->MinorFunction);
}
irp->IoStatus.Status = ret;
IoCompleteRequest(irp, IO_NO_INCREMENT);
return ret;
}
static NTSTATUS WINAPI driver_pnp(DEVICE_OBJECT *device, IRP *irp)
{
return fdo_pnp(irp);
if (device == bus_fdo)
return fdo_pnp(irp);
return pdo_pnp(device, irp);
}
static NTSTATUS WINAPI driver_add_device(DRIVER_OBJECT *driver, DEVICE_OBJECT *pdo)
@ -129,6 +285,8 @@ NTSTATUS WINAPI DriverEntry(DRIVER_OBJECT *driver, UNICODE_STRING *path)
TRACE("driver %p, path %s.\n", driver, debugstr_w(path->Buffer));
driver_obj = driver;
if ((err = libusb_init(NULL)))
{
ERR("Failed to initialize libusb: %s\n", libusb_strerror(err));

2
include/ddk/usbioctl.h
View file

@ -19,6 +19,8 @@
#ifndef __DDK_USBIOCTL_H__
#define __DDK_USBIOCTL_H__
#include "ddk/usbiodef.h"
#define IOCTL_INTERNAL_USB_SUBMIT_URB \
CTL_CODE(FILE_DEVICE_USB, USB_SUBMIT_URB, METHOD_NEITHER, FILE_ANY_ACCESS)