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Code Issues Projects Releases Wiki Activity

wineusb.sys: Move the event queue and device list to the Unix library.

Browse Source 
Since the device hotplug callbacks both queue events and create unix_device
objects, we need to move both at the same time.
This commit is contained in:
Zebediah Figura 2022-07-05 23:53:45 -05:00 committed by Alexandre Julliard
parent 0427ccb141
commit e4cefae126
3 changed files with 481 additions and 418 deletions
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415
dlls/wineusb.sys/unixlib.c
View File

@ -22,10 +22,17 @@
#pragma makedep unix
#endif
#include <stdarg.h>
#include <stdbool.h>
#include <stdlib.h>
#include <libusb.h>
#include <pthread.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winternl.h"
#include "ddk/wdm.h"
#include "ddk/usb.h"
#include "wine/debug.h"
#include "wine/list.h"
@ -33,32 +40,423 @@
WINE_DEFAULT_DEBUG_CHANNEL(wineusb);
static libusb_hotplug_callback_handle hotplug_cb_handle;
static bool thread_shutdown;
static pthread_cond_t event_cond = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t event_mutex = PTHREAD_MUTEX_INITIALIZER;
static struct usb_event *usb_events;
static size_t usb_event_count, usb_events_capacity;
static pthread_mutex_t device_mutex = PTHREAD_MUTEX_INITIALIZER;
static struct list device_list = LIST_INIT(device_list);
static bool array_reserve(void **elements, size_t *capacity, size_t count, size_t size)
{
unsigned int new_capacity, max_capacity;
void *new_elements;
if (count <= *capacity)
return true;
max_capacity = ~(size_t)0 / size;
if (count > max_capacity)
return false;
new_capacity = max(4, *capacity);
while (new_capacity < count && new_capacity <= max_capacity / 2)
new_capacity *= 2;
if (new_capacity < count)
new_capacity = max_capacity;
if (!(new_elements = realloc(*elements, new_capacity * size)))
return false;
*elements = new_elements;
*capacity = new_capacity;
return true;
}
static void queue_event(const struct usb_event *event)
{
pthread_mutex_lock(&event_mutex);
if (array_reserve((void **)&usb_events, &usb_events_capacity, usb_event_count + 1, sizeof(*usb_events)))
usb_events[usb_event_count++] = *event;
else
ERR("Failed to queue event.\n");
pthread_mutex_unlock(&event_mutex);
pthread_cond_signal(&event_cond);
}
static NTSTATUS usb_get_event(void *args)
{
const struct usb_get_event_params *params = args;
pthread_mutex_lock(&event_mutex);
while (!usb_event_count)
pthread_cond_wait(&event_cond, &event_mutex);
*params->event = usb_events[0];
if (--usb_event_count)
memmove(usb_events, usb_events + 1, usb_event_count * sizeof(*usb_events));
pthread_mutex_unlock(&event_mutex);
return STATUS_SUCCESS;
}
static void add_usb_device(libusb_device *libusb_device)
{
struct libusb_device_descriptor device_desc;
struct unix_device *unix_device;
struct usb_event usb_event;
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 (!(unix_device = calloc(1, sizeof(*unix_device))))
return;
if ((ret = libusb_open(libusb_device, &unix_device->handle)))
{
WARN("Failed to open device: %s\n", libusb_strerror(ret));
free(unix_device);
return;
}
pthread_mutex_lock(&device_mutex);
list_add_tail(&device_list, &unix_device->entry);
pthread_mutex_unlock(&device_mutex);
usb_event.type = USB_EVENT_ADD_DEVICE;
usb_event.u.added_device = unix_device;
queue_event(&usb_event);
}
static void remove_usb_device(libusb_device *libusb_device)
{
struct unix_device *unix_device;
struct usb_event usb_event;
TRACE("Removing device %p.\n", libusb_device);
LIST_FOR_EACH_ENTRY(unix_device, &device_list, struct unix_device, entry)
{
if (libusb_get_device(unix_device->handle) == libusb_device)
{
usb_event.type = USB_EVENT_REMOVE_DEVICE;
usb_event.u.removed_device = unix_device;
queue_event(&usb_event);
}
}
}
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 NTSTATUS usb_main_loop(void *args)
{
static const struct usb_event shutdown_event = {.type = USB_EVENT_SHUTDOWN};
int ret;
TRACE("Starting libusb event thread.\n");
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));
return STATUS_UNSUCCESSFUL;
}
while (!thread_shutdown)
{
if ((ret = libusb_handle_events(NULL)))
ERR("Error handling events: %s\n", libusb_strerror(ret));
}
queue_event(&shutdown_event);
TRACE("Shutting down libusb event thread.\n");
return STATUS_SUCCESS;
}
static NTSTATUS usb_exit(void *args)
{
libusb_hotplug_deregister_callback(NULL, hotplug_cb_handle);
thread_shutdown = true;
libusb_interrupt_event_handler(NULL);
return STATUS_SUCCESS;
}
static NTSTATUS usbd_status_from_libusb(enum libusb_transfer_status status)
{
switch (status)
{
case LIBUSB_TRANSFER_CANCELLED:
return USBD_STATUS_CANCELED;
case LIBUSB_TRANSFER_COMPLETED:
return USBD_STATUS_SUCCESS;
case LIBUSB_TRANSFER_NO_DEVICE:
return USBD_STATUS_DEVICE_GONE;
case LIBUSB_TRANSFER_STALL:
return USBD_STATUS_ENDPOINT_HALTED;
case LIBUSB_TRANSFER_TIMED_OUT:
return USBD_STATUS_TIMEOUT;
default:
FIXME("Unhandled status %#x.\n", status);
case LIBUSB_TRANSFER_ERROR:
return USBD_STATUS_REQUEST_FAILED;
}
}
static void LIBUSB_CALL transfer_cb(struct libusb_transfer *transfer)
{
IRP *irp = transfer->user_data;
URB *urb = IoGetCurrentIrpStackLocation(irp)->Parameters.Others.Argument1;
struct usb_event event;
TRACE("Completing IRP %p, status %#x.\n", irp, transfer->status);
urb->UrbHeader.Status = usbd_status_from_libusb(transfer->status);
if (transfer->status == LIBUSB_TRANSFER_COMPLETED)
{
switch (urb->UrbHeader.Function)
{
case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
urb->UrbBulkOrInterruptTransfer.TransferBufferLength = transfer->actual_length;
break;
case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
{
struct _URB_CONTROL_DESCRIPTOR_REQUEST *req = &urb->UrbControlDescriptorRequest;
req->TransferBufferLength = transfer->actual_length;
memcpy(req->TransferBuffer, libusb_control_transfer_get_data(transfer), transfer->actual_length);
break;
}
case URB_FUNCTION_VENDOR_INTERFACE:
{
struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST *req = &urb->UrbControlVendorClassRequest;
req->TransferBufferLength = transfer->actual_length;
if (req->TransferFlags & USBD_TRANSFER_DIRECTION_IN)
memcpy(req->TransferBuffer, libusb_control_transfer_get_data(transfer), transfer->actual_length);
break;
}
default:
ERR("Unexpected function %#x.\n", urb->UrbHeader.Function);
}
}
event.type = USB_EVENT_TRANSFER_COMPLETE;
event.u.completed_irp = irp;
queue_event(&event);
}
struct pipe
{
unsigned char endpoint;
unsigned char type;
};
static HANDLE make_pipe_handle(unsigned char endpoint, USBD_PIPE_TYPE type)
{
union
{
struct pipe pipe;
HANDLE handle;
} u;
u.pipe.endpoint = endpoint;
u.pipe.type = type;
return u.handle;
}
static struct pipe get_pipe(HANDLE handle)
{
union
{
struct pipe pipe;
HANDLE handle;
} u;
u.handle = handle;
return u.pipe;
}
static NTSTATUS usb_submit_urb(void *args)
{
const struct usb_submit_urb_params *params = args;
IRP *irp = params->irp;
URB *urb = IoGetCurrentIrpStackLocation(irp)->Parameters.Others.Argument1;
libusb_device_handle *handle = params->device->handle;
struct libusb_transfer *transfer;
int ret;
TRACE("type %#x.\n", urb->UrbHeader.Function);
switch (urb->UrbHeader.Function)
{
case URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL:
{
struct _URB_PIPE_REQUEST *req = &urb->UrbPipeRequest;
struct pipe pipe = get_pipe(req->PipeHandle);
if ((ret = libusb_clear_halt(handle, pipe.endpoint)) < 0)
ERR("Failed to clear halt: %s\n", libusb_strerror(ret));
return STATUS_SUCCESS;
}
case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
{
struct _URB_BULK_OR_INTERRUPT_TRANSFER *req = &urb->UrbBulkOrInterruptTransfer;
struct pipe pipe = get_pipe(req->PipeHandle);
if (req->TransferBufferMDL)
FIXME("Unhandled MDL output buffer.\n");
if (!(transfer = libusb_alloc_transfer(0)))
return STATUS_NO_MEMORY;
irp->Tail.Overlay.DriverContext[0] = transfer;
if (pipe.type == UsbdPipeTypeBulk)
{
libusb_fill_bulk_transfer(transfer, handle, pipe.endpoint,
req->TransferBuffer, req->TransferBufferLength, transfer_cb, irp, 0);
}
else if (pipe.type == UsbdPipeTypeInterrupt)
{
libusb_fill_interrupt_transfer(transfer, handle, pipe.endpoint,
req->TransferBuffer, req->TransferBufferLength, transfer_cb, irp, 0);
}
else
{
WARN("Invalid pipe type %#x.\n", pipe.type);
libusb_free_transfer(transfer);
return USBD_STATUS_INVALID_PIPE_HANDLE;
}
transfer->flags = LIBUSB_TRANSFER_FREE_TRANSFER;
ret = libusb_submit_transfer(transfer);
if (ret < 0)
ERR("Failed to submit bulk transfer: %s\n", libusb_strerror(ret));
return STATUS_PENDING;
}
case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
{
struct _URB_CONTROL_DESCRIPTOR_REQUEST *req = &urb->UrbControlDescriptorRequest;
unsigned char *buffer;
if (req->TransferBufferMDL)
FIXME("Unhandled MDL output buffer.\n");
if (!(transfer = libusb_alloc_transfer(0)))
return STATUS_NO_MEMORY;
irp->Tail.Overlay.DriverContext[0] = transfer;
if (!(buffer = malloc(sizeof(struct libusb_control_setup) + req->TransferBufferLength)))
{
libusb_free_transfer(transfer);
return STATUS_NO_MEMORY;
}
libusb_fill_control_setup(buffer,
LIBUSB_ENDPOINT_IN | LIBUSB_REQUEST_TYPE_STANDARD | LIBUSB_RECIPIENT_DEVICE,
LIBUSB_REQUEST_GET_DESCRIPTOR, (req->DescriptorType << 8) | req->Index,
req->LanguageId, req->TransferBufferLength);
libusb_fill_control_transfer(transfer, handle, buffer, transfer_cb, irp, 0);
transfer->flags = LIBUSB_TRANSFER_FREE_BUFFER | LIBUSB_TRANSFER_FREE_TRANSFER;
ret = libusb_submit_transfer(transfer);
if (ret < 0)
ERR("Failed to submit GET_DESCRIPTOR transfer: %s\n", libusb_strerror(ret));
return STATUS_PENDING;
}
case URB_FUNCTION_SELECT_CONFIGURATION:
{
struct _URB_SELECT_CONFIGURATION *req = &urb->UrbSelectConfiguration;
ULONG i;
/* FIXME: In theory, we'd call libusb_set_configuration() here, but
* the CASIO FX-9750GII (which has only one configuration) goes into
* an error state if it receives a SET_CONFIGURATION request. Maybe
* we should skip setting that if and only if the configuration is
* already active? */
for (i = 0; i < req->Interface.NumberOfPipes; ++i)
{
USBD_PIPE_INFORMATION *pipe = &req->Interface.Pipes[i];
pipe->PipeHandle = make_pipe_handle(pipe->EndpointAddress, pipe->PipeType);
}
return STATUS_SUCCESS;
}
case URB_FUNCTION_VENDOR_INTERFACE:
{
struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST *req = &urb->UrbControlVendorClassRequest;
uint8_t req_type = LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_INTERFACE;
unsigned char *buffer;
if (req->TransferFlags & USBD_TRANSFER_DIRECTION_IN)
req_type |= LIBUSB_ENDPOINT_IN;
if (req->TransferFlags & ~USBD_TRANSFER_DIRECTION_IN)
FIXME("Unhandled flags %#x.\n", req->TransferFlags);
if (req->TransferBufferMDL)
FIXME("Unhandled MDL output buffer.\n");
if (!(transfer = libusb_alloc_transfer(0)))
return STATUS_NO_MEMORY;
irp->Tail.Overlay.DriverContext[0] = transfer;
if (!(buffer = malloc(sizeof(struct libusb_control_setup) + req->TransferBufferLength)))
{
libusb_free_transfer(transfer);
return STATUS_NO_MEMORY;
}
libusb_fill_control_setup(buffer, req_type, req->Request,
req->Value, req->Index, req->TransferBufferLength);
if (!(req->TransferFlags & USBD_TRANSFER_DIRECTION_IN))
memcpy(buffer + LIBUSB_CONTROL_SETUP_SIZE, req->TransferBuffer, req->TransferBufferLength);
libusb_fill_control_transfer(transfer, handle, buffer, transfer_cb, irp, 0);
transfer->flags = LIBUSB_TRANSFER_FREE_BUFFER | LIBUSB_TRANSFER_FREE_TRANSFER;
ret = libusb_submit_transfer(transfer);
if (ret < 0)
ERR("Failed to submit vendor-specific interface transfer: %s\n", libusb_strerror(ret));
return STATUS_PENDING;
}
default:
FIXME("Unhandled function %#x.\n", urb->UrbHeader.Function);
}
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS usb_cancel_transfer(void *args)
{
const struct usb_cancel_transfer_params *params = args;
@ -70,10 +468,27 @@ static NTSTATUS usb_cancel_transfer(void *args)
return STATUS_SUCCESS;
}
static NTSTATUS usb_destroy_device(void *args)
{
const struct usb_destroy_device_params *params = args;
struct unix_device *device = params->device;
pthread_mutex_lock(&device_mutex);
libusb_close(device->handle);
list_remove(&device->entry);
pthread_mutex_unlock(&device_mutex);
free(device);
return STATUS_SUCCESS;
}
const unixlib_entry_t __wine_unix_call_funcs[] =
{
#define X(name) [unix_ ## name] = name
X(usb_main_loop),
X(usb_exit),
X(usb_get_event),
X(usb_submit_urb),
X(usb_cancel_transfer),
X(usb_destroy_device),
};

47
dlls/wineusb.sys/unixlib.h
View File

@ -23,18 +23,65 @@
#include "windef.h"
#include "winternl.h"
#include "ddk/wdm.h"
#include "wine/unixlib.h"
struct unix_device
{
struct list entry;
libusb_device_handle *handle;
};
enum usb_event_type
{
USB_EVENT_ADD_DEVICE,
USB_EVENT_REMOVE_DEVICE,
USB_EVENT_TRANSFER_COMPLETE,
USB_EVENT_SHUTDOWN,
};
struct usb_event
{
enum usb_event_type type;
union
{
struct unix_device *added_device;
struct unix_device *removed_device;
IRP *completed_irp;
} u;
};
struct usb_get_event_params
{
struct usb_event *event;
};
struct usb_submit_urb_params
{
struct unix_device *device;
IRP *irp;
};
struct usb_cancel_transfer_params
{
void *transfer;
};
struct usb_destroy_device_params
{
struct unix_device *device;
};
enum unix_funcs
{
unix_usb_main_loop,
unix_usb_exit,
unix_usb_get_event,
unix_usb_submit_urb,
unix_usb_cancel_transfer,
unix_usb_destroy_device,
};
#endif

437
dlls/wineusb.sys/wineusb.c
View File

@ -70,18 +70,8 @@ DECLARE_CRITICAL_SECTION(wineusb_cs);
static unixlib_handle_t unix_handle;
static pthread_mutex_t unix_device_mutex = PTHREAD_MUTEX_INITIALIZER;
static struct list unix_device_list = LIST_INIT(unix_device_list);
static struct list device_list = LIST_INIT(device_list);
struct unix_device
{
struct list entry;
libusb_device_handle *handle;
};
struct usb_device
{
struct list entry;
@ -106,90 +96,14 @@ struct usb_device
static DRIVER_OBJECT *driver_obj;
static DEVICE_OBJECT *bus_fdo, *bus_pdo;
static libusb_hotplug_callback_handle hotplug_cb_handle;
static pthread_cond_t event_cond = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t event_mutex = PTHREAD_MUTEX_INITIALIZER;
enum usb_event_type
{
USB_EVENT_ADD_DEVICE,
USB_EVENT_REMOVE_DEVICE,
USB_EVENT_TRANSFER_COMPLETE,
USB_EVENT_SHUTDOWN,
};
struct usb_event
{
enum usb_event_type type;
union
{
struct unix_device *added_device;
struct unix_device *removed_device;
IRP *completed_irp;
} u;
};
static struct usb_event *usb_events;
static size_t usb_event_count, usb_events_capacity;
static bool array_reserve(void **elements, size_t *capacity, size_t count, size_t size)
{
unsigned int new_capacity, max_capacity;
void *new_elements;
if (count <= *capacity)
return true;
max_capacity = ~(size_t)0 / size;
if (count > max_capacity)
return false;
new_capacity = max(4, *capacity);
while (new_capacity < count && new_capacity <= max_capacity / 2)
new_capacity *= 2;
if (new_capacity < count)
new_capacity = max_capacity;
if (!(new_elements = realloc(*elements, new_capacity * size)))
return false;
*elements = new_elements;
*capacity = new_capacity;
return true;
}
static void queue_event(const struct usb_event *event)
{
pthread_mutex_lock(&event_mutex);
if (array_reserve((void **)&usb_events, &usb_events_capacity, usb_event_count + 1, sizeof(*usb_events)))
usb_events[usb_event_count++] = *event;
else
ERR("Failed to queue event.\n");
pthread_mutex_unlock(&event_mutex);
pthread_cond_signal(&event_cond);
}
static void get_event(struct usb_event *event)
{
pthread_mutex_lock(&event_mutex);
while (!usb_event_count)
pthread_cond_wait(&event_cond, &event_mutex);
*event = usb_events[0];
if (--usb_event_count)
memmove(usb_events, usb_events + 1, usb_event_count * sizeof(*usb_events));
pthread_mutex_unlock(&event_mutex);
}
static void destroy_unix_device(struct unix_device *unix_device)
{
pthread_mutex_lock(&unix_device_mutex);
libusb_close(unix_device->handle);
list_remove(&unix_device->entry);
pthread_mutex_unlock(&unix_device_mutex);
free(unix_device);
struct usb_destroy_device_params params =
{
.device = unix_device,
};
__wine_unix_call(unix_handle, unix_usb_destroy_device, &params);
}
static void add_usb_interface(struct usb_device *parent, const struct libusb_interface_descriptor *desc)
@ -304,36 +218,6 @@ static void add_unix_device(struct unix_device *unix_device)
IoInvalidateDeviceRelations(bus_pdo, BusRelations);
}
static void add_usb_device(libusb_device *libusb_device)
{
struct libusb_device_descriptor device_desc;
struct unix_device *unix_device;
struct usb_event usb_event;
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 (!(unix_device = calloc(1, sizeof(*unix_device))))
return;
if ((ret = libusb_open(libusb_device, &unix_device->handle)))
{
WARN("Failed to open device: %s\n", libusb_strerror(ret));
free(unix_device);
return;
}
pthread_mutex_lock(&unix_device_mutex);
list_add_tail(&unix_device_list, &unix_device->entry);
pthread_mutex_unlock(&unix_device_mutex);
usb_event.type = USB_EVENT_ADD_DEVICE;
usb_event.u.added_device = unix_device;
queue_event(&usb_event);
}
static void remove_unix_device(struct unix_device *unix_device)
{
struct usb_device *device;
@ -358,45 +242,12 @@ static void remove_unix_device(struct unix_device *unix_device)
IoInvalidateDeviceRelations(bus_pdo, BusRelations);
}
static void remove_usb_device(libusb_device *libusb_device)
{
struct unix_device *unix_device;
struct usb_event usb_event;
TRACE("Removing device %p.\n", libusb_device);
LIST_FOR_EACH_ENTRY(unix_device, &unix_device_list, struct unix_device, entry)
{
if (libusb_get_device(unix_device->handle) == libusb_device)
{
usb_event.type = USB_EVENT_REMOVE_DEVICE;
usb_event.u.removed_device = unix_device;
queue_event(&usb_event);
}
}
}
static HANDLE libusb_event_thread, 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 libusb_event_thread_proc(void *arg)
{
static const struct usb_event shutdown_event = {.type = USB_EVENT_SHUTDOWN};
__wine_unix_call(unix_handle, unix_usb_main_loop, NULL);
queue_event(&shutdown_event);
return 0;
}
@ -418,7 +269,12 @@ static DWORD CALLBACK event_thread_proc(void *arg)
for (;;)
{
get_event(&event);
struct usb_get_event_params params =
{
.event = &event,
};
__wine_unix_call(unix_handle, unix_usb_get_event, &params);
switch (event.type)
{
@ -490,15 +346,6 @@ static NTSTATUS fdo_pnp(IRP *irp)
libusb_event_thread = CreateThread(NULL, 0, libusb_event_thread_proc, NULL, 0, NULL);
event_thread = CreateThread(NULL, 0, event_thread_proc, NULL, 0, NULL);
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;
@ -510,7 +357,6 @@ static NTSTATUS fdo_pnp(IRP *irp)
{
struct usb_device *device, *cursor;
libusb_hotplug_deregister_callback(NULL, hotplug_cb_handle);
__wine_unix_call(unix_handle, unix_usb_exit, NULL);
WaitForSingleObject(libusb_event_thread, INFINITE);
CloseHandle(libusb_event_thread);
@ -756,257 +602,6 @@ static NTSTATUS WINAPI driver_pnp(DEVICE_OBJECT *device, IRP *irp)
return pdo_pnp(device, irp);
}
static NTSTATUS usbd_status_from_libusb(enum libusb_transfer_status status)
{
switch (status)
{
case LIBUSB_TRANSFER_CANCELLED:
return USBD_STATUS_CANCELED;
case LIBUSB_TRANSFER_COMPLETED:
return USBD_STATUS_SUCCESS;
case LIBUSB_TRANSFER_NO_DEVICE:
return USBD_STATUS_DEVICE_GONE;
case LIBUSB_TRANSFER_STALL:
return USBD_STATUS_ENDPOINT_HALTED;
case LIBUSB_TRANSFER_TIMED_OUT:
return USBD_STATUS_TIMEOUT;
default:
FIXME("Unhandled status %#x.\n", status);
case LIBUSB_TRANSFER_ERROR:
return USBD_STATUS_REQUEST_FAILED;
}
}
static void LIBUSB_CALL transfer_cb(struct libusb_transfer *transfer)
{
IRP *irp = transfer->user_data;
URB *urb = IoGetCurrentIrpStackLocation(irp)->Parameters.Others.Argument1;
struct usb_event event;
TRACE("Completing IRP %p, status %#x.\n", irp, transfer->status);
urb->UrbHeader.Status = usbd_status_from_libusb(transfer->status);
if (transfer->status == LIBUSB_TRANSFER_COMPLETED)
{
switch (urb->UrbHeader.Function)
{
case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
urb->UrbBulkOrInterruptTransfer.TransferBufferLength = transfer->actual_length;
break;
case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
{
struct _URB_CONTROL_DESCRIPTOR_REQUEST *req = &urb->UrbControlDescriptorRequest;
req->TransferBufferLength = transfer->actual_length;
memcpy(req->TransferBuffer, libusb_control_transfer_get_data(transfer), transfer->actual_length);
break;
}
case URB_FUNCTION_VENDOR_INTERFACE:
{
struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST *req = &urb->UrbControlVendorClassRequest;
req->TransferBufferLength = transfer->actual_length;
if (req->TransferFlags & USBD_TRANSFER_DIRECTION_IN)
memcpy(req->TransferBuffer, libusb_control_transfer_get_data(transfer), transfer->actual_length);
break;
}
default:
ERR("Unexpected function %#x.\n", urb->UrbHeader.Function);
}
}
event.type = USB_EVENT_TRANSFER_COMPLETE;
event.u.completed_irp = irp;
queue_event(&event);
}
struct pipe
{
unsigned char endpoint;
unsigned char type;
};
static HANDLE make_pipe_handle(unsigned char endpoint, USBD_PIPE_TYPE type)
{
union
{
struct pipe pipe;
HANDLE handle;
} u;
u.pipe.endpoint = endpoint;
u.pipe.type = type;
return u.handle;
}
static struct pipe get_pipe(HANDLE handle)
{
union
{
struct pipe pipe;
HANDLE handle;
} u;
u.handle = handle;
return u.pipe;
}
static NTSTATUS unix_submit_urb(struct unix_device *device, IRP *irp)
{
URB *urb = IoGetCurrentIrpStackLocation(irp)->Parameters.Others.Argument1;
libusb_device_handle *handle = device->handle;
struct libusb_transfer *transfer;
int ret;
TRACE("type %#x.\n", urb->UrbHeader.Function);
switch (urb->UrbHeader.Function)
{
case URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL:
{
struct _URB_PIPE_REQUEST *req = &urb->UrbPipeRequest;
struct pipe pipe = get_pipe(req->PipeHandle);
if ((ret = libusb_clear_halt(handle, pipe.endpoint)) < 0)
ERR("Failed to clear halt: %s\n", libusb_strerror(ret));
return STATUS_SUCCESS;
}
case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
{
struct _URB_BULK_OR_INTERRUPT_TRANSFER *req = &urb->UrbBulkOrInterruptTransfer;
struct pipe pipe = get_pipe(req->PipeHandle);
if (req->TransferBufferMDL)
FIXME("Unhandled MDL output buffer.\n");
if (!(transfer = libusb_alloc_transfer(0)))
return STATUS_NO_MEMORY;
irp->Tail.Overlay.DriverContext[0] = transfer;
if (pipe.type == UsbdPipeTypeBulk)
{
libusb_fill_bulk_transfer(transfer, handle, pipe.endpoint,
req->TransferBuffer, req->TransferBufferLength, transfer_cb, irp, 0);
}
else if (pipe.type == UsbdPipeTypeInterrupt)
{
libusb_fill_interrupt_transfer(transfer, handle, pipe.endpoint,
req->TransferBuffer, req->TransferBufferLength, transfer_cb, irp, 0);
}
else
{
WARN("Invalid pipe type %#x.\n", pipe.type);
libusb_free_transfer(transfer);
return USBD_STATUS_INVALID_PIPE_HANDLE;
}
transfer->flags = LIBUSB_TRANSFER_FREE_TRANSFER;
ret = libusb_submit_transfer(transfer);
if (ret < 0)
ERR("Failed to submit bulk transfer: %s\n", libusb_strerror(ret));
return STATUS_PENDING;
}
case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
{
struct _URB_CONTROL_DESCRIPTOR_REQUEST *req = &urb->UrbControlDescriptorRequest;
unsigned char *buffer;
if (req->TransferBufferMDL)
FIXME("Unhandled MDL output buffer.\n");
if (!(transfer = libusb_alloc_transfer(0)))
return STATUS_NO_MEMORY;
irp->Tail.Overlay.DriverContext[0] = transfer;
if (!(buffer = malloc(sizeof(struct libusb_control_setup) + req->TransferBufferLength)))
{
libusb_free_transfer(transfer);
return STATUS_NO_MEMORY;
}
libusb_fill_control_setup(buffer,
LIBUSB_ENDPOINT_IN | LIBUSB_REQUEST_TYPE_STANDARD | LIBUSB_RECIPIENT_DEVICE,
LIBUSB_REQUEST_GET_DESCRIPTOR, (req->DescriptorType << 8) | req->Index,
req->LanguageId, req->TransferBufferLength);
libusb_fill_control_transfer(transfer, handle, buffer, transfer_cb, irp, 0);
transfer->flags = LIBUSB_TRANSFER_FREE_BUFFER | LIBUSB_TRANSFER_FREE_TRANSFER;
ret = libusb_submit_transfer(transfer);
if (ret < 0)
ERR("Failed to submit GET_DESCRIPTOR transfer: %s\n", libusb_strerror(ret));
return STATUS_PENDING;
}
case URB_FUNCTION_SELECT_CONFIGURATION:
{
struct _URB_SELECT_CONFIGURATION *req = &urb->UrbSelectConfiguration;
ULONG i;
/* FIXME: In theory, we'd call libusb_set_configuration() here, but
* the CASIO FX-9750GII (which has only one configuration) goes into
* an error state if it receives a SET_CONFIGURATION request. Maybe
* we should skip setting that if and only if the configuration is
* already active? */
for (i = 0; i < req->Interface.NumberOfPipes; ++i)
{
USBD_PIPE_INFORMATION *pipe = &req->Interface.Pipes[i];
pipe->PipeHandle = make_pipe_handle(pipe->EndpointAddress, pipe->PipeType);
}
return STATUS_SUCCESS;
}
case URB_FUNCTION_VENDOR_INTERFACE:
{
struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST *req = &urb->UrbControlVendorClassRequest;
uint8_t req_type = LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_INTERFACE;
unsigned char *buffer;
if (req->TransferFlags & USBD_TRANSFER_DIRECTION_IN)
req_type |= LIBUSB_ENDPOINT_IN;
if (req->TransferFlags & ~USBD_TRANSFER_DIRECTION_IN)
FIXME("Unhandled flags %#x.\n", req->TransferFlags);
if (req->TransferBufferMDL)
FIXME("Unhandled MDL output buffer.\n");
if (!(transfer = libusb_alloc_transfer(0)))
return STATUS_NO_MEMORY;
irp->Tail.Overlay.DriverContext[0] = transfer;
if (!(buffer = malloc(sizeof(struct libusb_control_setup) + req->TransferBufferLength)))
{
libusb_free_transfer(transfer);
return STATUS_NO_MEMORY;
}
libusb_fill_control_setup(buffer, req_type, req->Request,
req->Value, req->Index, req->TransferBufferLength);
if (!(req->TransferFlags & USBD_TRANSFER_DIRECTION_IN))
memcpy(buffer + LIBUSB_CONTROL_SETUP_SIZE, req->TransferBuffer, req->TransferBufferLength);
libusb_fill_control_transfer(transfer, handle, buffer, transfer_cb, irp, 0);
transfer->flags = LIBUSB_TRANSFER_FREE_BUFFER | LIBUSB_TRANSFER_FREE_TRANSFER;
ret = libusb_submit_transfer(transfer);
if (ret < 0)
ERR("Failed to submit vendor-specific interface transfer: %s\n", libusb_strerror(ret));
return STATUS_PENDING;
}
default:
FIXME("Unhandled function %#x.\n", urb->UrbHeader.Function);
}
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS usb_submit_urb(struct usb_device *device, IRP *irp)
{
URB *urb = IoGetCurrentIrpStackLocation(irp)->Parameters.Others.Argument1;
@ -1046,12 +641,18 @@ static NTSTATUS usb_submit_urb(struct usb_device *device, IRP *irp)
case URB_FUNCTION_SELECT_CONFIGURATION:
case URB_FUNCTION_VENDOR_INTERFACE:
{
struct usb_submit_urb_params params =
{
.device = device->unix_device,
.irp = irp,
};
/* Hold the wineusb lock while submitting and queuing, and
* similarly hold it in complete_irp(). That way, if libusb reports
* completion between submitting and queuing, we won't try to
* dequeue the IRP until it's actually been queued. */
EnterCriticalSection(&wineusb_cs);
status = unix_submit_urb(device->unix_device, irp);
status = __wine_unix_call(unix_handle, unix_usb_submit_urb, &params);
if (status == STATUS_PENDING)
{
IoMarkIrpPending(irp);