Module: wine Branch: master Commit: b0c2e5c6ce0e116e33435db85c051d8feb07ecb2 URL: https://source.winehq.org/git/wine.git/?a=commit;h=b0c2e5c6ce0e116e33435db85...
Author: Zebediah Figura z.figura12@gmail.com Date: Wed Apr 15 09:43:22 2020 -0500
wineusb.sys: Create USB devices.
Signed-off-by: Zebediah Figura z.figura12@gmail.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/wineusb.sys/wineusb.c | 160 ++++++++++++++++++++++++++++++++++++++++++++- include/ddk/usbioctl.h | 2 + 2 files changed, 161 insertions(+), 1 deletion(-)
diff --git a/dlls/wineusb.sys/wineusb.c b/dlls/wineusb.sys/wineusb.c index 060fb3d0d2..22804d8657 100644 --- a/dlls/wineusb.sys/wineusb.c +++ b/dlls/wineusb.sys/wineusb.c @@ -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)); diff --git a/include/ddk/usbioctl.h b/include/ddk/usbioctl.h index 003e2b6786..0438dce8bf 100644 --- a/include/ddk/usbioctl.h +++ b/include/ddk/usbioctl.h @@ -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)