/* -*- Mode: C; indent-tabs-mode:nil -*- */
/*
- * darwin backend for libusbx 1.0
- * Copyright © 2008-2013 Nathan Hjelm <hjelmn@users.sourceforge.net>
+ * darwin backend for libusb 1.0
+ * Copyright © 2008-2017 Nathan Hjelm <hjelmn@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
*/
#include "config.h"
+#include <time.h>
#include <ctype.h>
#include <errno.h>
-#include <fcntl.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
-#include <libkern/OSAtomic.h>
+#include <fcntl.h>
+#include <sys/sysctl.h>
#include <mach/clock.h>
#include <mach/clock_types.h>
#include <mach/mach_port.h>
#include <AvailabilityMacros.h>
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060 && MAC_OS_X_VERSION_MIN_REQUIRED < 101200
#include <objc/objc-auto.h>
#endif
-#include <IOKit/IOCFBundle.h>
-#include <IOKit/usb/IOUSBLib.h>
-#include <IOKit/IOCFPlugIn.h>
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 101200
+/* Apple deprecated the darwin atomics in 10.12 in favor of C11 atomics */
+#include <stdatomic.h>
+#define libusb_darwin_atomic_fetch_add(x, y) atomic_fetch_add(x, y)
+#define OSX_USE_CLOCK_GETTIME 1
+
+_Atomic int32_t initCount = ATOMIC_VAR_INIT(0);
+#else
+/* use darwin atomics if the target is older than 10.12 */
+#include <libkern/OSAtomic.h>
+
+/* OSAtomicAdd32Barrier returns the new value */
+#define libusb_darwin_atomic_fetch_add(x, y) (OSAtomicAdd32Barrier(y, x) - y)
+
+static volatile int32_t initCount = 0;
+
+#define OSX_USE_CLOCK_GETTIME 0
+#endif
#include "darwin_usb.h"
static pthread_mutex_t libusb_darwin_at_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t libusb_darwin_at_cond = PTHREAD_COND_INITIALIZER;
+static pthread_once_t darwin_init_once = PTHREAD_ONCE_INIT;
+
+#if !OSX_USE_CLOCK_GETTIME
static clock_serv_t clock_realtime;
static clock_serv_t clock_monotonic;
+#endif
static CFRunLoopRef libusb_darwin_acfl = NULL; /* event cf loop */
-static volatile int32_t initCount = 0;
+static CFRunLoopSourceRef libusb_darwin_acfls = NULL; /* shutdown signal for event cf loop */
+
+static usbi_mutex_t darwin_cached_devices_lock = PTHREAD_MUTEX_INITIALIZER;
+static struct list_head darwin_cached_devices = {&darwin_cached_devices, &darwin_cached_devices};
+static char *darwin_device_class = kIOUSBDeviceClassName;
+
+#define DARWIN_CACHED_DEVICE(a) ((struct darwin_cached_device *) (((struct darwin_device_priv *)((a)->os_priv))->dev))
/* async event thread */
static pthread_t libusb_darwin_at;
static void darwin_async_io_callback (void *refcon, IOReturn result, void *arg0);
static int darwin_scan_devices(struct libusb_context *ctx);
-static int process_new_device (struct libusb_context *ctx, usb_device_t **device, UInt32 locationID,
- UInt32 parent_location, UInt8 port);
+static int process_new_device (struct libusb_context *ctx, io_service_t service);
#if defined(ENABLE_LOGGING)
static const char *darwin_error_str (int result) {
+ static char string_buffer[50];
switch (result) {
case kIOReturnSuccess:
return "no error";
return "physical memory can not be wired down";
case kIOReturnNoResources:
return "out of resources";
+ case kIOUSBHighSpeedSplitError:
+ return "high speed split error";
default:
- return "unknown error";
+ snprintf(string_buffer, sizeof(string_buffer), "unknown error (0x%x)", result);
+ return string_buffer;
}
}
#endif
}
}
+/* this function must be called with the darwin_cached_devices_lock held */
+static void darwin_deref_cached_device(struct darwin_cached_device *cached_dev) {
+ cached_dev->refcount--;
+ /* free the device and remove it from the cache */
+ if (0 == cached_dev->refcount) {
+ list_del(&cached_dev->list);
-static int ep_to_pipeRef(struct libusb_device_handle *dev_handle, uint8_t ep, uint8_t *pipep, uint8_t *ifcp) {
+ (*(cached_dev->device))->Release(cached_dev->device);
+ free (cached_dev);
+ }
+}
+
+static void darwin_ref_cached_device(struct darwin_cached_device *cached_dev) {
+ cached_dev->refcount++;
+}
+
+static int ep_to_pipeRef(struct libusb_device_handle *dev_handle, uint8_t ep, uint8_t *pipep, uint8_t *ifcp, struct darwin_interface **interface_out) {
struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)dev_handle->os_priv;
/* current interface */
for (i = 0 ; i < cInterface->num_endpoints ; i++) {
if (cInterface->endpoint_addrs[i] == ep) {
*pipep = i + 1;
- *ifcp = iface;
- usbi_dbg ("pipe %d on interface %d matches", *pipep, *ifcp);
+
+ if (ifcp)
+ *ifcp = iface;
+
+ if (interface_out)
+ *interface_out = cInterface;
+
+ usbi_dbg ("pipe %d on interface %d matches", *pipep, iface);
return 0;
}
}
/* No pipe found with the correct endpoint address */
usbi_warn (HANDLE_CTX(dev_handle), "no pipeRef found with endpoint address 0x%02x.", ep);
- return -1;
+ return LIBUSB_ERROR_NOT_FOUND;
}
static int usb_setup_device_iterator (io_iterator_t *deviceIterator, UInt32 location) {
- CFMutableDictionaryRef matchingDict = IOServiceMatching(kIOUSBDeviceClassName);
+ CFMutableDictionaryRef matchingDict = IOServiceMatching(darwin_device_class);
if (!matchingDict)
return kIOReturnError;
return IOServiceGetMatchingServices(kIOMasterPortDefault, matchingDict, deviceIterator);
}
+/* Returns 1 on success, 0 on failure. */
static int get_ioregistry_value_number (io_service_t service, CFStringRef property, CFNumberType type, void *p) {
CFTypeRef cfNumber = IORegistryEntryCreateCFProperty (service, property, kCFAllocatorDefault, 0);
int ret = 0;
return ret;
}
-static usb_device_t **usb_get_next_device (io_iterator_t deviceIterator, UInt32 *locationp, UInt8 *portp, UInt32 *parent_locationp) {
- io_cf_plugin_ref_t *plugInInterface = NULL;
- usb_device_t **device;
- io_service_t usbDevice, parent;
- kern_return_t result;
- SInt32 score;
-
- if (!IOIteratorIsValid (deviceIterator))
- return NULL;
-
-
- while ((usbDevice = IOIteratorNext(deviceIterator))) {
- result = IOCreatePlugInInterfaceForService(usbDevice, kIOUSBDeviceUserClientTypeID,
- kIOCFPlugInInterfaceID, &plugInInterface,
- &score);
+static int get_ioregistry_value_data (io_service_t service, CFStringRef property, ssize_t size, void *p) {
+ CFTypeRef cfData = IORegistryEntryCreateCFProperty (service, property, kCFAllocatorDefault, 0);
+ int ret = 0;
- /* we are done with the usb_device_t */
- (void)IOObjectRelease(usbDevice);
+ if (cfData) {
+ if (CFGetTypeID (cfData) == CFDataGetTypeID ()) {
+ CFIndex length = CFDataGetLength (cfData);
+ if (length < size) {
+ size = length;
+ }
- if (portp) {
- *portp = 0;
- (void) get_ioregistry_value_number (usbDevice, CFSTR("PortNum"), kCFNumberSInt8Type, portp);
+ CFDataGetBytes (cfData, CFRangeMake(0, size), p);
+ ret = 1;
}
- if (parent_locationp) {
- *parent_locationp = 0;
-
- result = IORegistryEntryGetParentEntry (usbDevice, kIOUSBPlane, &parent);
+ CFRelease (cfData);
+ }
- if (kIOReturnSuccess == result) {
- (void) get_ioregistry_value_number (parent, CFSTR("locationID"), kCFNumberLongType, parent_locationp);
- }
- }
+ return ret;
+}
- if (kIOReturnSuccess == result && plugInInterface)
- break;
+static usb_device_t **darwin_device_from_service (io_service_t service)
+{
+ io_cf_plugin_ref_t *plugInInterface = NULL;
+ usb_device_t **device;
+ kern_return_t result;
+ SInt32 score;
- usbi_dbg ("libusb/darwin.c usb_get_next_device: could not set up plugin for service: %s\n", darwin_error_str (result));
- }
+ result = IOCreatePlugInInterfaceForService(service, kIOUSBDeviceUserClientTypeID,
+ kIOCFPlugInInterfaceID, &plugInInterface,
+ &score);
- if (!usbDevice)
+ if (kIOReturnSuccess != result || !plugInInterface) {
+ usbi_dbg ("could not set up plugin for service: %s", darwin_error_str (result));
return NULL;
+ }
(void)(*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(DeviceInterfaceID),
(LPVOID)&device);
/* Use release instead of IODestroyPlugInInterface to avoid stopping IOServices associated with this device */
(*plugInInterface)->Release (plugInInterface);
- /* get the location from the device */
- if (locationp)
- (*(device))->GetLocationID(device, locationp);
-
return device;
}
static void darwin_devices_attached (void *ptr, io_iterator_t add_devices) {
struct libusb_context *ctx;
- usb_device_t **device;
- UInt32 location, parent_location;
- UInt8 port;
+ io_service_t service;
usbi_mutex_lock(&active_contexts_lock);
- while ((device = usb_get_next_device (add_devices, &location, &port, &parent_location))) {
+ while ((service = IOIteratorNext(add_devices))) {
/* add this device to each active context's device list */
list_for_each_entry(ctx, &active_contexts_list, list, struct libusb_context) {
- process_new_device (ctx, device, location, parent_location, port);
+ process_new_device (ctx, service);;
}
- /* release extra reference */
- (*device)->Release (device);
+ IOObjectRelease(service);
}
usbi_mutex_unlock(&active_contexts_lock);
static void darwin_devices_detached (void *ptr, io_iterator_t rem_devices) {
struct libusb_device *dev = NULL;
struct libusb_context *ctx;
+ struct darwin_cached_device *old_device;
io_service_t device;
- bool locationValid;
- UInt32 location;
- CFTypeRef locationCF;
+ UInt64 session;
+ int ret;
+
+ usbi_mutex_lock(&active_contexts_lock);
while ((device = IOIteratorNext (rem_devices)) != 0) {
/* get the location from the i/o registry */
- locationCF = IORegistryEntryCreateCFProperty (device, CFSTR(kUSBDevicePropertyLocationID), kCFAllocatorDefault, 0);
-
+ ret = get_ioregistry_value_number (device, CFSTR("sessionID"), kCFNumberSInt64Type, &session);
IOObjectRelease (device);
-
- if (!locationCF)
- continue;
-
- locationValid = CFGetTypeID(locationCF) == CFNumberGetTypeID() &&
- CFNumberGetValue(locationCF, kCFNumberSInt32Type, &location);
-
- CFRelease (locationCF);
-
- if (!locationValid)
+ if (!ret)
continue;
- usbi_mutex_lock(&active_contexts_lock);
+ /* we need to match darwin_ref_cached_device call made in darwin_get_cached_device function
+ otherwise no cached device will ever get freed */
+ usbi_mutex_lock(&darwin_cached_devices_lock);
+ list_for_each_entry(old_device, &darwin_cached_devices, list, struct darwin_cached_device) {
+ if (old_device->session == session) {
+ darwin_deref_cached_device (old_device);
+ break;
+ }
+ }
+ usbi_mutex_unlock(&darwin_cached_devices_lock);
list_for_each_entry(ctx, &active_contexts_list, list, struct libusb_context) {
- usbi_dbg ("libusb/darwin.c darwin_devices_detached: notifying context %p of device disconnect", ctx);
-
- dev = usbi_get_device_by_session_id(ctx, location);
- if (!dev) {
- continue;
+ usbi_dbg ("notifying context %p of device disconnect", ctx);
+
+ dev = usbi_get_device_by_session_id(ctx, (unsigned long) session);
+ if (dev) {
+ /* signal the core that this device has been disconnected. the core will tear down this device
+ when the reference count reaches 0 */
+ usbi_disconnect_device(dev);
+ libusb_unref_device(dev);
}
-
- /* signal the core that this device has been disconnected. the core will tear down this device
- when the reference count reaches 0 */
- usbi_disconnect_device(dev);
}
-
- usbi_mutex_unlock(&active_contexts_lock);
}
+
+ usbi_mutex_unlock(&active_contexts_lock);
+}
+
+static void darwin_hotplug_poll (void)
+{
+ /* not sure if 5 seconds will be too long/short but it should work ok */
+ mach_timespec_t timeout = {.tv_sec = 5, .tv_nsec = 0};
+
+ /* since a kernel thread may nodify the IOInterators used for
+ * hotplug notidication we can't just clear the iterators.
+ * instead just wait until all IOService providers are quiet */
+ (void) IOKitWaitQuiet (kIOMasterPortDefault, &timeout);
}
static void darwin_clear_iterator (io_iterator_t iter) {
struct libusb_context *ctx = (struct libusb_context *)arg0;
CFRunLoopRef runloop;
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
/* Set this thread's name, so it can be seen in the debugger
and crash reports. */
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
pthread_setname_np ("org.libusb.device-hotplug");
#endif
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060 && MAC_OS_X_VERSION_MIN_REQUIRED < 101200
/* Tell the Objective-C garbage collector about this thread.
This is required because, unlike NSThreads, pthreads are
not automatically registered. Although we don't use
- Objective-C, we use CoreFoundation, which does. */
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
+ Objective-C, we use CoreFoundation, which does.
+ Garbage collection support was entirely removed in 10.12,
+ so don't bother there. */
objc_registerThreadWithCollector();
#endif
/* hotplug (device arrival/removal) sources */
+ CFRunLoopSourceContext libusb_shutdown_cfsourcectx;
CFRunLoopSourceRef libusb_notification_cfsource;
io_notification_port_t libusb_notification_port;
io_iterator_t libusb_rem_device_iterator;
runloop = CFRunLoopGetCurrent ();
CFRetain (runloop);
+ /* add the shutdown cfsource to the run loop */
+ memset(&libusb_shutdown_cfsourcectx, 0, sizeof(libusb_shutdown_cfsourcectx));
+ libusb_shutdown_cfsourcectx.info = runloop;
+ libusb_shutdown_cfsourcectx.perform = (void (*)(void *))CFRunLoopStop;
+ libusb_darwin_acfls = CFRunLoopSourceCreate(NULL, 0, &libusb_shutdown_cfsourcectx);
+ CFRunLoopAddSource(runloop, libusb_darwin_acfls, kCFRunLoopDefaultMode);
+
/* add the notification port to the run loop */
libusb_notification_port = IONotificationPortCreate (kIOMasterPortDefault);
libusb_notification_cfsource = IONotificationPortGetRunLoopSource (libusb_notification_port);
/* create notifications for removed devices */
kresult = IOServiceAddMatchingNotification (libusb_notification_port, kIOTerminatedNotification,
- IOServiceMatching(kIOUSBDeviceClassName),
- (IOServiceMatchingCallback)darwin_devices_detached,
- (void *)ctx, &libusb_rem_device_iterator);
+ IOServiceMatching(darwin_device_class),
+ darwin_devices_detached,
+ ctx, &libusb_rem_device_iterator);
if (kresult != kIOReturnSuccess) {
usbi_err (ctx, "could not add hotplug event source: %s", darwin_error_str (kresult));
/* create notifications for attached devices */
kresult = IOServiceAddMatchingNotification(libusb_notification_port, kIOFirstMatchNotification,
- IOServiceMatching(kIOUSBDeviceClassName),
- (IOServiceMatchingCallback)darwin_devices_attached,
- (void *)ctx, &libusb_add_device_iterator);
+ IOServiceMatching(darwin_device_class),
+ darwin_devices_attached,
+ ctx, &libusb_add_device_iterator);
if (kresult != kIOReturnSuccess) {
usbi_err (ctx, "could not add hotplug event source: %s", darwin_error_str (kresult));
/* remove the notification cfsource */
CFRunLoopRemoveSource(runloop, libusb_notification_cfsource, kCFRunLoopDefaultMode);
+ /* remove the shutdown cfsource */
+ CFRunLoopRemoveSource(runloop, libusb_darwin_acfls, kCFRunLoopDefaultMode);
+
/* delete notification port */
IONotificationPortDestroy (libusb_notification_port);
IOObjectRelease (libusb_rem_device_iterator);
IOObjectRelease (libusb_add_device_iterator);
+ CFRelease (libusb_darwin_acfls);
CFRelease (runloop);
+ libusb_darwin_acfls = NULL;
libusb_darwin_acfl = NULL;
pthread_exit (NULL);
}
+/* cleanup function to destroy cached devices */
+static void __attribute__((destructor)) _darwin_finalize(void) {
+ struct darwin_cached_device *dev, *next;
+
+ usbi_mutex_lock(&darwin_cached_devices_lock);
+ list_for_each_entry_safe(dev, next, &darwin_cached_devices, list, struct darwin_cached_device) {
+ darwin_deref_cached_device(dev);
+ }
+ usbi_mutex_unlock(&darwin_cached_devices_lock);
+}
+
+static void darwin_check_version (void) {
+ /* adjust for changes in the USB stack in xnu 15 */
+ int sysctl_args[] = {CTL_KERN, KERN_OSRELEASE};
+ long version;
+ char version_string[256] = {'\0',};
+ size_t length = 256;
+
+ sysctl(sysctl_args, 2, version_string, &length, NULL, 0);
+
+ errno = 0;
+ version = strtol (version_string, NULL, 10);
+ if (0 == errno && version >= 15) {
+ darwin_device_class = "IOUSBHostDevice";
+ }
+}
+
static int darwin_init(struct libusb_context *ctx) {
- host_name_port_t host_self;
int rc;
+ rc = pthread_once (&darwin_init_once, darwin_check_version);
+ if (rc) {
+ return LIBUSB_ERROR_OTHER;
+ }
+
rc = darwin_scan_devices (ctx);
if (LIBUSB_SUCCESS != rc) {
return rc;
}
- if (OSAtomicIncrement32Barrier(&initCount) == 1) {
- /* create the clocks that will be used */
+ if (libusb_darwin_atomic_fetch_add (&initCount, 1) == 0) {
+#if !OSX_USE_CLOCK_GETTIME
+ /* create the clocks that will be used if clock_gettime() is not available */
+ host_name_port_t host_self;
host_self = mach_host_self();
host_get_clock_service(host_self, CALENDAR_CLOCK, &clock_realtime);
host_get_clock_service(host_self, SYSTEM_CLOCK, &clock_monotonic);
mach_port_deallocate(mach_task_self(), host_self);
+#endif
- pthread_create (&libusb_darwin_at, NULL, darwin_event_thread_main, (void *)ctx);
+ pthread_create (&libusb_darwin_at, NULL, darwin_event_thread_main, ctx);
pthread_mutex_lock (&libusb_darwin_at_mutex);
while (!libusb_darwin_acfl)
pthread_mutex_unlock (&libusb_darwin_at_mutex);
}
- return 0;
+ return rc;
}
static void darwin_exit (void) {
- if (OSAtomicDecrement32Barrier(&initCount) == 0) {
+ if (libusb_darwin_atomic_fetch_add (&initCount, -1) == 1) {
+#if !OSX_USE_CLOCK_GETTIME
mach_port_deallocate(mach_task_self(), clock_realtime);
mach_port_deallocate(mach_task_self(), clock_monotonic);
+#endif
/* stop the event runloop and wait for the thread to terminate. */
- CFRunLoopStop (libusb_darwin_acfl);
+ CFRunLoopSourceSignal(libusb_darwin_acfls);
+ CFRunLoopWakeUp (libusb_darwin_acfl);
pthread_join (libusb_darwin_at, NULL);
}
}
static int darwin_get_device_descriptor(struct libusb_device *dev, unsigned char *buffer, int *host_endian) {
- struct darwin_device_priv *priv = (struct darwin_device_priv *)dev->os_priv;
+ struct darwin_cached_device *priv = DARWIN_CACHED_DEVICE(dev);
/* return cached copy */
memmove (buffer, &(priv->dev_descriptor), DEVICE_DESC_LENGTH);
}
static int get_configuration_index (struct libusb_device *dev, int config_value) {
- struct darwin_device_priv *priv = (struct darwin_device_priv *)dev->os_priv;
+ struct darwin_cached_device *priv = DARWIN_CACHED_DEVICE(dev);
UInt8 i, numConfig;
IOUSBConfigurationDescriptorPtr desc;
IOReturn kresult;
}
/* configuration not found */
- return LIBUSB_ERROR_OTHER;
+ return LIBUSB_ERROR_NOT_FOUND;
}
static int darwin_get_active_config_descriptor(struct libusb_device *dev, unsigned char *buffer, size_t len, int *host_endian) {
- struct darwin_device_priv *priv = (struct darwin_device_priv *)dev->os_priv;
+ struct darwin_cached_device *priv = DARWIN_CACHED_DEVICE(dev);
int config_index;
if (0 == priv->active_config)
}
static int darwin_get_config_descriptor(struct libusb_device *dev, uint8_t config_index, unsigned char *buffer, size_t len, int *host_endian) {
- struct darwin_device_priv *priv = (struct darwin_device_priv *)dev->os_priv;
+ struct darwin_cached_device *priv = DARWIN_CACHED_DEVICE(dev);
IOUSBConfigurationDescriptorPtr desc;
IOReturn kresult;
+ int ret;
if (!priv || !priv->device)
return LIBUSB_ERROR_OTHER;
*host_endian = 0;
}
- return darwin_to_libusb (kresult);
+ ret = darwin_to_libusb (kresult);
+ if (ret != LIBUSB_SUCCESS)
+ return ret;
+
+ return (int) len;
}
/* check whether the os has configured the device */
-static int darwin_check_configuration (struct libusb_context *ctx, struct libusb_device *dev, usb_device_t **darwin_device) {
- struct darwin_device_priv *priv = (struct darwin_device_priv *)dev->os_priv;
+static int darwin_check_configuration (struct libusb_context *ctx, struct darwin_cached_device *dev) {
+ usb_device_t **darwin_device = dev->device;
IOUSBConfigurationDescriptorPtr configDesc;
IOUSBFindInterfaceRequest request;
io_iterator_t interface_iterator;
io_service_t firstInterface;
- if (priv->dev_descriptor.bNumConfigurations < 1) {
+ if (dev->dev_descriptor.bNumConfigurations < 1) {
usbi_err (ctx, "device has no configurations");
return LIBUSB_ERROR_OTHER; /* no configurations at this speed so we can't use it */
}
+ /* checking the configuration of a root hub simulation takes ~1 s in 10.11. the device is
+ not usable anyway */
+ if (0x05ac == dev->dev_descriptor.idVendor && 0x8005 == dev->dev_descriptor.idProduct) {
+ usbi_dbg ("ignoring configuration on root hub simulation");
+ dev->active_config = 0;
+ return 0;
+ }
+
/* find the first configuration */
kresult = (*darwin_device)->GetConfigurationDescriptorPtr (darwin_device, 0, &configDesc);
- priv->first_config = (kIOReturnSuccess == kresult) ? configDesc->bConfigurationValue : 1;
+ dev->first_config = (kIOReturnSuccess == kresult) ? configDesc->bConfigurationValue : 1;
/* check if the device is already configured. there is probably a better way than iterating over the
to accomplish this (the trick is we need to avoid a call to GetConfigurations since buggy devices
IOObjectRelease (firstInterface);
/* device is configured */
- if (priv->dev_descriptor.bNumConfigurations == 1)
+ if (dev->dev_descriptor.bNumConfigurations == 1)
/* to avoid problems with some devices get the configurations value from the configuration descriptor */
- priv->active_config = priv->first_config;
+ dev->active_config = dev->first_config;
else
/* devices with more than one configuration should work with GetConfiguration */
- (*darwin_device)->GetConfiguration (darwin_device, &priv->active_config);
+ (*darwin_device)->GetConfiguration (darwin_device, &dev->active_config);
} else
/* not configured */
- priv->active_config = 0;
+ dev->active_config = 0;
- usbi_dbg ("active config: %u, first config: %u", priv->active_config, priv->first_config);
+ usbi_dbg ("active config: %u, first config: %u", dev->active_config, dev->first_config);
return 0;
}
static int darwin_request_descriptor (usb_device_t **device, UInt8 desc, UInt8 desc_index, void *buffer, size_t buffer_size) {
- IOUSBDevRequest req;
+ IOUSBDevRequestTO req;
memset (buffer, 0, buffer_size);
req.wIndex = desc_index;
req.wLength = buffer_size;
req.pData = buffer;
+ req.noDataTimeout = 20;
+ req.completionTimeout = 100;
- return (*device)->DeviceRequest (device, &req);
+ return (*device)->DeviceRequestTO (device, &req);
}
-static int darwin_cache_device_descriptor (struct libusb_context *ctx, struct libusb_device *dev, usb_device_t **device) {
- struct darwin_device_priv *priv;
- int retries = 2, delay = 30000;
+static int darwin_cache_device_descriptor (struct libusb_context *ctx, struct darwin_cached_device *dev) {
+ usb_device_t **device = dev->device;
+ int retries = 1, delay = 30000;
int unsuspended = 0, try_unsuspend = 1, try_reconfigure = 1;
int is_open = 0;
int ret = 0, ret2;
UInt8 bDeviceClass;
UInt16 idProduct, idVendor;
+ dev->can_enumerate = 0;
+
(*device)->GetDeviceClass (device, &bDeviceClass);
(*device)->GetDeviceProduct (device, &idProduct);
(*device)->GetDeviceVendor (device, &idVendor);
- priv = (struct darwin_device_priv *)dev->os_priv;
-
- /* try to open the device (we can usually continue even if this fails) */
+ /* According to Apple's documentation the device must be open for DeviceRequest but we may not be able to open some
+ * devices and Apple's USB Prober doesn't bother to open the device before issuing a descriptor request. Still,
+ * to follow the spec as closely as possible, try opening the device */
is_open = ((*device)->USBDeviceOpenSeize(device) == kIOReturnSuccess);
- /**** retrieve device descriptor ****/
do {
- /* according to Apple's documentation the device must be open for DeviceRequest but we may not be able to open some
- * devices and Apple's USB Prober doesn't bother to open the device before issuing a descriptor request. Still,
- * to follow the spec as closely as possible, try opening the device */
- ret = darwin_request_descriptor (device, kUSBDeviceDesc, 0, &priv->dev_descriptor, sizeof(priv->dev_descriptor));
+ /**** retrieve device descriptor ****/
+ ret = darwin_request_descriptor (device, kUSBDeviceDesc, 0, &dev->dev_descriptor, sizeof(dev->dev_descriptor));
-
- if (kIOReturnOverrun == ret && kUSBDeviceDesc == priv->dev_descriptor.bDescriptorType)
+ if (kIOReturnOverrun == ret && kUSBDeviceDesc == dev->dev_descriptor.bDescriptorType)
/* received an overrun error but we still received a device descriptor */
ret = kIOReturnSuccess;
break;
}
- if (kIOReturnSuccess == ret && (0 == priv->dev_descriptor.bNumConfigurations ||
- 0 == priv->dev_descriptor.bcdUSB)) {
+ if (kIOReturnSuccess == ret && (0 == dev->dev_descriptor.bNumConfigurations ||
+ 0 == dev->dev_descriptor.bcdUSB)) {
/* work around for incorrectly configured devices */
if (try_reconfigure && is_open) {
usbi_dbg("descriptor appears to be invalid. resetting configuration before trying again...");
if (kIOReturnSuccess != ret && is_open && try_unsuspend) {
/* device may be suspended. unsuspend it and try again */
#if DeviceVersion >= 320
- UInt32 info;
+ UInt32 info = 0;
/* IOUSBFamily 320+ provides a way to detect device suspension but earlier versions do not */
(void)(*device)->GetUSBDeviceInformation (device, &info);
- try_unsuspend = info & (1 << kUSBInformationDeviceIsSuspendedBit);
+ /* note that the device was suspended */
+ if (info & (1 << kUSBInformationDeviceIsSuspendedBit) || 0 == info)
+ try_unsuspend = 1;
#endif
if (try_unsuspend) {
- /* resume the device */
+ /* try to unsuspend the device */
ret2 = (*device)->USBDeviceSuspend (device, 0);
if (kIOReturnSuccess != ret2) {
/* prevent log spew from poorly behaving devices. this indicates the
if (kIOReturnSuccess != ret) {
usbi_dbg("kernel responded with code: 0x%08x. sleeping for %d ms before trying again", ret, delay/1000);
/* sleep for a little while before trying again */
- usleep (delay);
+ nanosleep(&(struct timespec){delay / 1000000, (delay * 1000) % 1000000000UL}, NULL);
}
} while (kIOReturnSuccess != ret && retries--);
if (ret != kIOReturnSuccess) {
/* a debug message was already printed out for this error */
if (LIBUSB_CLASS_HUB == bDeviceClass)
- usbi_dbg ("could not retrieve device descriptor %.4x:%.4x: %s. skipping device", idVendor, idProduct, darwin_error_str (ret));
+ usbi_dbg ("could not retrieve device descriptor %.4x:%.4x: %s (%x). skipping device",
+ idVendor, idProduct, darwin_error_str (ret), ret);
else
- usbi_warn (ctx, "could not retrieve device descriptor %.4x:%.4x: %s. skipping device", idVendor, idProduct, darwin_error_str (ret));
-
- return -1;
- }
-
- usbi_dbg ("device descriptor:");
- usbi_dbg (" bDescriptorType: 0x%02x", priv->dev_descriptor.bDescriptorType);
- usbi_dbg (" bcdUSB: 0x%04x", priv->dev_descriptor.bcdUSB);
- usbi_dbg (" bDeviceClass: 0x%02x", priv->dev_descriptor.bDeviceClass);
- usbi_dbg (" bDeviceSubClass: 0x%02x", priv->dev_descriptor.bDeviceSubClass);
- usbi_dbg (" bDeviceProtocol: 0x%02x", priv->dev_descriptor.bDeviceProtocol);
- usbi_dbg (" bMaxPacketSize0: 0x%02x", priv->dev_descriptor.bMaxPacketSize0);
- usbi_dbg (" idVendor: 0x%04x", priv->dev_descriptor.idVendor);
- usbi_dbg (" idProduct: 0x%04x", priv->dev_descriptor.idProduct);
- usbi_dbg (" bcdDevice: 0x%04x", priv->dev_descriptor.bcdDevice);
- usbi_dbg (" iManufacturer: 0x%02x", priv->dev_descriptor.iManufacturer);
- usbi_dbg (" iProduct: 0x%02x", priv->dev_descriptor.iProduct);
- usbi_dbg (" iSerialNumber: 0x%02x", priv->dev_descriptor.iSerialNumber);
- usbi_dbg (" bNumConfigurations: 0x%02x", priv->dev_descriptor.bNumConfigurations);
+ usbi_warn (ctx, "could not retrieve device descriptor %.4x:%.4x: %s (%x). skipping device",
+ idVendor, idProduct, darwin_error_str (ret), ret);
+ return darwin_to_libusb (ret);
+ }
/* catch buggy hubs (which appear to be virtual). Apple's own USB prober has problems with these devices. */
- if (libusb_le16_to_cpu (priv->dev_descriptor.idProduct) != idProduct) {
+ if (libusb_le16_to_cpu (dev->dev_descriptor.idProduct) != idProduct) {
/* not a valid device */
usbi_warn (ctx, "idProduct from iokit (%04x) does not match idProduct in descriptor (%04x). skipping device",
- idProduct, libusb_le16_to_cpu (priv->dev_descriptor.idProduct));
- return -1;
+ idProduct, libusb_le16_to_cpu (dev->dev_descriptor.idProduct));
+ return LIBUSB_ERROR_NO_DEVICE;
}
- return 0;
+ usbi_dbg ("cached device descriptor:");
+ usbi_dbg (" bDescriptorType: 0x%02x", dev->dev_descriptor.bDescriptorType);
+ usbi_dbg (" bcdUSB: 0x%04x", dev->dev_descriptor.bcdUSB);
+ usbi_dbg (" bDeviceClass: 0x%02x", dev->dev_descriptor.bDeviceClass);
+ usbi_dbg (" bDeviceSubClass: 0x%02x", dev->dev_descriptor.bDeviceSubClass);
+ usbi_dbg (" bDeviceProtocol: 0x%02x", dev->dev_descriptor.bDeviceProtocol);
+ usbi_dbg (" bMaxPacketSize0: 0x%02x", dev->dev_descriptor.bMaxPacketSize0);
+ usbi_dbg (" idVendor: 0x%04x", dev->dev_descriptor.idVendor);
+ usbi_dbg (" idProduct: 0x%04x", dev->dev_descriptor.idProduct);
+ usbi_dbg (" bcdDevice: 0x%04x", dev->dev_descriptor.bcdDevice);
+ usbi_dbg (" iManufacturer: 0x%02x", dev->dev_descriptor.iManufacturer);
+ usbi_dbg (" iProduct: 0x%02x", dev->dev_descriptor.iProduct);
+ usbi_dbg (" iSerialNumber: 0x%02x", dev->dev_descriptor.iSerialNumber);
+ usbi_dbg (" bNumConfigurations: 0x%02x", dev->dev_descriptor.bNumConfigurations);
+
+ dev->can_enumerate = 1;
+
+ return LIBUSB_SUCCESS;
}
-static int process_new_device (struct libusb_context *ctx, usb_device_t **device, UInt32 locationID,
- UInt32 parent_location, UInt8 port) {
- struct darwin_device_priv *priv;
- struct libusb_device *dev, *parent = NULL;
- UInt8 devSpeed;
- UInt16 address;
+static int get_device_port (io_service_t service, UInt8 *port) {
+ kern_return_t result;
+ io_service_t parent;
int ret = 0;
+ if (get_ioregistry_value_number (service, CFSTR("PortNum"), kCFNumberSInt8Type, port)) {
+ return 1;
+ }
+
+ result = IORegistryEntryGetParentEntry (service, kIOServicePlane, &parent);
+ if (kIOReturnSuccess == result) {
+ ret = get_ioregistry_value_data (parent, CFSTR("port"), 1, port);
+ IOObjectRelease (parent);
+ }
+
+ return ret;
+}
+
+static int get_device_parent_sessionID(io_service_t service, UInt64 *parent_sessionID) {
+ kern_return_t result;
+ io_service_t parent;
+
+ /* Walk up the tree in the IOService plane until we find a parent that has a sessionID */
+ parent = service;
+ while((result = IORegistryEntryGetParentEntry (parent, kIOServicePlane, &parent)) == kIOReturnSuccess) {
+ if (get_ioregistry_value_number (parent, CFSTR("sessionID"), kCFNumberSInt64Type, parent_sessionID)) {
+ /* Success */
+ return 1;
+ }
+ }
+
+ /* We ran out of parents */
+ return 0;
+}
+
+static int darwin_get_cached_device(struct libusb_context *ctx, io_service_t service,
+ struct darwin_cached_device **cached_out) {
+ struct darwin_cached_device *new_device;
+ UInt64 sessionID = 0, parent_sessionID = 0;
+ int ret = LIBUSB_SUCCESS;
+ usb_device_t **device;
+ UInt8 port = 0;
+
+ /* get some info from the io registry */
+ (void) get_ioregistry_value_number (service, CFSTR("sessionID"), kCFNumberSInt64Type, &sessionID);
+ if (!get_device_port (service, &port)) {
+ usbi_dbg("could not get connected port number");
+ }
+
+ usbi_dbg("finding cached device for sessionID 0x%" PRIx64, sessionID);
+
+ if (get_device_parent_sessionID(service, &parent_sessionID)) {
+ usbi_dbg("parent sessionID: 0x%" PRIx64, parent_sessionID);
+ }
+
+ usbi_mutex_lock(&darwin_cached_devices_lock);
do {
- usbi_dbg ("allocating new device for location 0x%08x", locationID);
+ *cached_out = NULL;
- dev = usbi_alloc_device(ctx, locationID);
- if (!dev) {
- return LIBUSB_ERROR_NO_MEM;
+ list_for_each_entry(new_device, &darwin_cached_devices, list, struct darwin_cached_device) {
+ usbi_dbg("matching sessionID 0x%" PRIx64 " against cached device with sessionID 0x%" PRIx64, sessionID, new_device->session);
+ if (new_device->session == sessionID) {
+ usbi_dbg("using cached device for device");
+ *cached_out = new_device;
+ break;
+ }
}
- priv = (struct darwin_device_priv *)dev->os_priv;
- priv->device = device;
+ if (*cached_out)
+ break;
- /* increment the device's reference count (it is decremented in darwin_destroy_device) */
- (*device)->AddRef (device);
+ usbi_dbg("caching new device with sessionID 0x%" PRIx64, sessionID);
- (*device)->GetDeviceAddress (device, (USBDeviceAddress *)&address);
+ device = darwin_device_from_service (service);
+ if (!device) {
+ ret = LIBUSB_ERROR_NO_DEVICE;
+ break;
+ }
- ret = darwin_cache_device_descriptor (ctx, dev, device);
- if (ret < 0)
+ new_device = calloc (1, sizeof (*new_device));
+ if (!new_device) {
+ ret = LIBUSB_ERROR_NO_MEM;
break;
+ }
- /* check current active configuration (and cache the first configuration value-- which may be used by claim_interface) */
- ret = darwin_check_configuration (ctx, dev, device);
- if (ret < 0)
+ /* add this device to the cached device list */
+ list_add(&new_device->list, &darwin_cached_devices);
+
+ (*device)->GetDeviceAddress (device, (USBDeviceAddress *)&new_device->address);
+
+ /* keep a reference to this device */
+ darwin_ref_cached_device(new_device);
+
+ new_device->device = device;
+ new_device->session = sessionID;
+ (*device)->GetLocationID (device, &new_device->location);
+ new_device->port = port;
+ new_device->parent_session = parent_sessionID;
+
+ /* cache the device descriptor */
+ ret = darwin_cache_device_descriptor(ctx, new_device);
+ if (ret)
break;
- /* the device iterator provides devices in increasing order of location. given this property
- * we can use the last device to find the parent. */
-/* TODO: FIX TOPOLOGY!
- for (parent = *last_dev ; parent ; parent = parent->parent_dev) {
- struct darwin_device_priv *parent_priv = (struct darwin_device_priv *) parent->os_priv;
+ if (new_device->can_enumerate) {
+ snprintf(new_device->sys_path, 20, "%03i-%04x-%04x-%02x-%02x", new_device->address,
+ new_device->dev_descriptor.idVendor, new_device->dev_descriptor.idProduct,
+ new_device->dev_descriptor.bDeviceClass, new_device->dev_descriptor.bDeviceSubClass);
+ }
+ } while (0);
- if (parent_priv->location == parent_location) {
- break;
- }
+ usbi_mutex_unlock(&darwin_cached_devices_lock);
+
+ /* keep track of devices regardless of if we successfully enumerate them to
+ prevent them from being enumerated multiple times */
+
+ *cached_out = new_device;
+
+ return ret;
+}
+
+static int process_new_device (struct libusb_context *ctx, io_service_t service) {
+ struct darwin_device_priv *priv;
+ struct libusb_device *dev = NULL;
+ struct darwin_cached_device *cached_device;
+ UInt8 devSpeed;
+ int ret = 0;
+
+ do {
+ ret = darwin_get_cached_device (ctx, service, &cached_device);
+
+ if (ret < 0 || !cached_device->can_enumerate) {
+ return ret;
}
- dev->parent_dev = parent;
+ /* check current active configuration (and cache the first configuration value--
+ which may be used by claim_interface) */
+ ret = darwin_check_configuration (ctx, cached_device);
+ if (ret)
+ break;
- dev->port_number = port;
-*/
- dev->bus_number = locationID >> 24;
- dev->device_address = address;
+ usbi_dbg ("allocating new device in context %p for with session 0x%" PRIx64,
+ ctx, cached_device->session);
- (*device)->GetDeviceSpeed (device, &devSpeed);
+ dev = usbi_alloc_device(ctx, (unsigned long) cached_device->session);
+ if (!dev) {
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ priv = (struct darwin_device_priv *)dev->os_priv;
+
+ priv->dev = cached_device;
+ darwin_ref_cached_device (priv->dev);
+
+ if (cached_device->parent_session > 0) {
+ dev->parent_dev = usbi_get_device_by_session_id (ctx, (unsigned long) cached_device->parent_session);
+ } else {
+ dev->parent_dev = NULL;
+ }
+ dev->port_number = cached_device->port;
+ dev->bus_number = cached_device->location >> 24;
+ dev->device_address = cached_device->address;
+
+ (*(priv->dev->device))->GetDeviceSpeed (priv->dev->device, &devSpeed);
switch (devSpeed) {
case kUSBDeviceSpeedLow: dev->speed = LIBUSB_SPEED_LOW; break;
usbi_warn (ctx, "Got unknown device speed %d", devSpeed);
}
- /* save our location, we'll need this later */
- priv->location = locationID;
- snprintf(priv->sys_path, 20, "%03i-%04x-%04x-%02x-%02x", address, priv->dev_descriptor.idVendor, priv->dev_descriptor.idProduct,
- priv->dev_descriptor.bDeviceClass, priv->dev_descriptor.bDeviceSubClass);
-
ret = usbi_sanitize_device (dev);
if (ret < 0)
break;
usbi_dbg ("found device with address %d port = %d parent = %p at %p", dev->device_address,
- dev->port_number, (void *) parent, priv->sys_path);
+ dev->port_number, (void *) dev->parent_dev, priv->dev->sys_path);
} while (0);
if (0 == ret) {
}
static int darwin_scan_devices(struct libusb_context *ctx) {
- io_iterator_t deviceIterator;
- usb_device_t **device;
- kern_return_t kresult;
- UInt32 location, parent_location;
- UInt8 port;
+ io_iterator_t deviceIterator;
+ io_service_t service;
+ kern_return_t kresult;
kresult = usb_setup_device_iterator (&deviceIterator, 0);
if (kresult != kIOReturnSuccess)
return darwin_to_libusb (kresult);
- while ((device = usb_get_next_device (deviceIterator, &location, &port, &parent_location)) != NULL) {
- (void) process_new_device (ctx, device, location, parent_location, port);
+ while ((service = IOIteratorNext (deviceIterator))) {
+ (void) process_new_device (ctx, service);
- /* process_new_device added a reference so we need to release the one
- from QueryInterface */
- (*device)->Release (device);
+ IOObjectRelease(service);
}
IOObjectRelease(deviceIterator);
static int darwin_open (struct libusb_device_handle *dev_handle) {
struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)dev_handle->os_priv;
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)dev_handle->dev->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(dev_handle->dev);
IOReturn kresult;
if (0 == dpriv->open_count) {
/* device opened successfully */
dpriv->open_count++;
- /* create a file descriptor for notifications */
- pipe (priv->fds);
-
- /* set the pipe to be non-blocking */
- fcntl (priv->fds[1], F_SETFD, O_NONBLOCK);
-
- usbi_add_pollfd(HANDLE_CTX(dev_handle), priv->fds[0], POLLIN);
-
usbi_dbg ("device open for access");
return 0;
static void darwin_close (struct libusb_device_handle *dev_handle) {
struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)dev_handle->os_priv;
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)dev_handle->dev->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(dev_handle->dev);
IOReturn kresult;
int i;
if (dpriv->open_count == 0) {
/* something is probably very wrong if this is the case */
- usbi_err (HANDLE_CTX (dev_handle), "Close called on a device that was not open!\n");
+ usbi_err (HANDLE_CTX (dev_handle), "Close called on a device that was not open!");
return;
}
}
}
}
-
- /* file descriptors are maintained per-instance */
- usbi_remove_pollfd (HANDLE_CTX (dev_handle), priv->fds[0]);
- close (priv->fds[1]);
- close (priv->fds[0]);
-
- priv->fds[0] = priv->fds[1] = -1;
}
static int darwin_get_configuration(struct libusb_device_handle *dev_handle, int *config) {
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)dev_handle->dev->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(dev_handle->dev);
*config = (int) dpriv->active_config;
}
static int darwin_set_configuration(struct libusb_device_handle *dev_handle, int config) {
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)dev_handle->dev->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(dev_handle->dev);
IOReturn kresult;
int i;
IOUSBFindInterfaceRequest request;
kern_return_t kresult;
io_iterator_t interface_iterator;
- CFTypeRef bInterfaceNumberCF;
- int bInterfaceNumber;
+ UInt8 bInterfaceNumber;
+ int ret;
*usbInterfacep = IO_OBJECT_NULL;
while ((*usbInterfacep = IOIteratorNext(interface_iterator))) {
/* find the interface number */
- bInterfaceNumberCF = IORegistryEntryCreateCFProperty (*usbInterfacep, CFSTR("bInterfaceNumber"),
- kCFAllocatorDefault, 0);
- if (!bInterfaceNumberCF) {
- continue;
- }
-
- CFNumberGetValue(bInterfaceNumberCF, kCFNumberIntType, &bInterfaceNumber);
+ ret = get_ioregistry_value_number (*usbInterfacep, CFSTR("bInterfaceNumber"), kCFNumberSInt8Type,
+ &bInterfaceNumber);
- CFRelease(bInterfaceNumberCF);
-
- if ((uint8_t) bInterfaceNumber == ifc) {
+ if (ret && bInterfaceNumber == ifc) {
break;
}
u_int8_t numep, direction, number;
u_int8_t dont_care1, dont_care3;
u_int16_t dont_care2;
- int i;
+ int rc;
usbi_dbg ("building table of endpoints.");
}
/* iterate through pipe references */
- for (i = 1 ; i <= numep ; i++) {
+ for (int i = 1 ; i <= numep ; i++) {
kresult = (*(cInterface->interface))->GetPipeProperties(cInterface->interface, i, &direction, &number, &dont_care1,
&dont_care2, &dont_care3);
if (kresult != kIOReturnSuccess) {
- usbi_err (HANDLE_CTX (dev_handle), "error getting pipe information for pipe %d: %s", i, darwin_error_str(kresult));
+ /* probably a buggy device. try to get the endpoint address from the descriptors */
+ struct libusb_config_descriptor *config;
+ const struct libusb_endpoint_descriptor *endpoint_desc;
+ UInt8 alt_setting;
- return darwin_to_libusb (kresult);
- }
+ kresult = (*(cInterface->interface))->GetAlternateSetting (cInterface->interface, &alt_setting);
+ if (kresult) {
+ usbi_err (HANDLE_CTX (dev_handle), "can't get alternate setting for interface");
+ return darwin_to_libusb (kresult);
+ }
+
+ rc = libusb_get_active_config_descriptor (dev_handle->dev, &config);
+ if (LIBUSB_SUCCESS != rc) {
+ return rc;
+ }
+
+ endpoint_desc = config->interface[iface].altsetting[alt_setting].endpoint + i - 1;
- usbi_dbg ("interface: %i pipe %i: dir: %i number: %i", iface, i, direction, number);
+ cInterface->endpoint_addrs[i - 1] = endpoint_desc->bEndpointAddress;
+ } else {
+ cInterface->endpoint_addrs[i - 1] = (((kUSBIn == direction) << kUSBRqDirnShift) | (number & LIBUSB_ENDPOINT_ADDRESS_MASK));
+ }
- cInterface->endpoint_addrs[i - 1] = ((direction << 7 & LIBUSB_ENDPOINT_DIR_MASK) | (number & LIBUSB_ENDPOINT_ADDRESS_MASK));
+ usbi_dbg ("interface: %i pipe %i: dir: %i number: %i", iface, i, cInterface->endpoint_addrs[i - 1] >> kUSBRqDirnShift,
+ cInterface->endpoint_addrs[i - 1] & LIBUSB_ENDPOINT_ADDRESS_MASK);
}
cInterface->num_endpoints = numep;
}
static int darwin_claim_interface(struct libusb_device_handle *dev_handle, int iface) {
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)dev_handle->dev->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(dev_handle->dev);
struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)dev_handle->os_priv;
io_service_t usbInterface = IO_OBJECT_NULL;
IOReturn kresult;
if (kresult != kIOReturnSuccess)
usbi_warn (HANDLE_CTX (dev_handle), "Release: %s", darwin_error_str(kresult));
- cInterface->interface = IO_OBJECT_NULL;
+ cInterface->interface = (usb_interface_t **) IO_OBJECT_NULL;
return darwin_to_libusb (kresult);
}
}
static int darwin_clear_halt(struct libusb_device_handle *dev_handle, unsigned char endpoint) {
- struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)dev_handle->os_priv;
-
/* current interface */
struct darwin_interface *cInterface;
- uint8_t pipeRef, iface;
IOReturn kresult;
+ uint8_t pipeRef;
/* determine the interface/endpoint to use */
- if (ep_to_pipeRef (dev_handle, endpoint, &pipeRef, &iface) != 0) {
+ if (ep_to_pipeRef (dev_handle, endpoint, &pipeRef, NULL, &cInterface) != 0) {
usbi_err (HANDLE_CTX (dev_handle), "endpoint not found on any open interface");
return LIBUSB_ERROR_NOT_FOUND;
}
- cInterface = &priv->interfaces[iface];
-
-#if (InterfaceVersion < 190)
- kresult = (*(cInterface->interface))->ClearPipeStall(cInterface->interface, pipeRef);
-#else
/* newer versions of darwin support clearing additional bits on the device's endpoint */
kresult = (*(cInterface->interface))->ClearPipeStallBothEnds(cInterface->interface, pipeRef);
-#endif
if (kresult)
usbi_warn (HANDLE_CTX (dev_handle), "ClearPipeStall: %s", darwin_error_str (kresult));
}
static int darwin_reset_device(struct libusb_device_handle *dev_handle) {
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)dev_handle->dev->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(dev_handle->dev);
IOUSBDeviceDescriptor descriptor;
IOUSBConfigurationDescriptorPtr cached_configuration;
IOUSBConfigurationDescriptor configuration;
}
static int darwin_kernel_driver_active(struct libusb_device_handle *dev_handle, int interface) {
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)dev_handle->dev->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(dev_handle->dev);
io_service_t usbInterface;
CFTypeRef driver;
IOReturn kresult;
/* attaching/detaching kernel drivers is not currently supported (maybe in the future?) */
static int darwin_attach_kernel_driver (struct libusb_device_handle *dev_handle, int interface) {
- (void)dev_handle;
- (void)interface;
+ UNUSED(dev_handle);
+ UNUSED(interface);
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static int darwin_detach_kernel_driver (struct libusb_device_handle *dev_handle, int interface) {
- (void)dev_handle;
- (void)interface;
+ UNUSED(dev_handle);
+ UNUSED(interface);
return LIBUSB_ERROR_NOT_SUPPORTED;
}
static void darwin_destroy_device(struct libusb_device *dev) {
struct darwin_device_priv *dpriv = (struct darwin_device_priv *) dev->os_priv;
- if (dpriv->device) {
- /* it is an internal error if the reference count of a device is < 0 after release */
- assert(0 <= (*(dpriv->device))->Release(dpriv->device));
-
- dpriv->device = NULL;
+ if (dpriv->dev) {
+ /* need to hold the lock in case this is the last reference to the device */
+ usbi_mutex_lock(&darwin_cached_devices_lock);
+ darwin_deref_cached_device (dpriv->dev);
+ dpriv->dev = NULL;
+ usbi_mutex_unlock(&darwin_cached_devices_lock);
}
}
static int submit_bulk_transfer(struct usbi_transfer *itransfer) {
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)transfer->dev_handle->os_priv;
IOReturn ret;
uint8_t transferType;
/* None of the values below are used in libusbx for bulk transfers */
- uint8_t direction, number, interval, pipeRef, iface;
+ uint8_t direction, number, interval, pipeRef;
uint16_t maxPacketSize;
struct darwin_interface *cInterface;
- if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, &iface) != 0) {
+ if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, NULL, &cInterface) != 0) {
usbi_err (TRANSFER_CTX (transfer), "endpoint not found on any open interface");
return LIBUSB_ERROR_NOT_FOUND;
}
- cInterface = &priv->interfaces[iface];
+ ret = (*(cInterface->interface))->GetPipeProperties (cInterface->interface, pipeRef, &direction, &number,
+ &transferType, &maxPacketSize, &interval);
- (*(cInterface->interface))->GetPipeProperties (cInterface->interface, pipeRef, &direction, &number,
- &transferType, &maxPacketSize, &interval);
+ if (ret) {
+ usbi_err (TRANSFER_CTX (transfer), "bulk transfer failed (dir = %s): %s (code = 0x%08x)", IS_XFERIN(transfer) ? "In" : "Out",
+ darwin_error_str(ret), ret);
+ return darwin_to_libusb (ret);
+ }
if (0 != (transfer->length % maxPacketSize)) {
/* do not need a zero packet */
ret = (*(cInterface->interface))->WritePipeAsync(cInterface->interface, pipeRef, transfer->buffer,
transfer->length, darwin_async_io_callback, itransfer);
} else {
- itransfer->flags |= USBI_TRANSFER_OS_HANDLES_TIMEOUT;
+ itransfer->timeout_flags |= USBI_TRANSFER_OS_HANDLES_TIMEOUT;
if (IS_XFERIN(transfer))
ret = (*(cInterface->interface))->ReadPipeAsyncTO(cInterface->interface, pipeRef, transfer->buffer,
return darwin_to_libusb (ret);
}
+#if InterfaceVersion >= 550
+static int submit_stream_transfer(struct usbi_transfer *itransfer) {
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct darwin_interface *cInterface;
+ uint8_t pipeRef;
+ IOReturn ret;
+
+ if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, NULL, &cInterface) != 0) {
+ usbi_err (TRANSFER_CTX (transfer), "endpoint not found on any open interface");
+
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ itransfer->timeout_flags |= USBI_TRANSFER_OS_HANDLES_TIMEOUT;
+
+ if (IS_XFERIN(transfer))
+ ret = (*(cInterface->interface))->ReadStreamsPipeAsyncTO(cInterface->interface, pipeRef, itransfer->stream_id,
+ transfer->buffer, transfer->length, transfer->timeout,
+ transfer->timeout, darwin_async_io_callback, (void *)itransfer);
+ else
+ ret = (*(cInterface->interface))->WriteStreamsPipeAsyncTO(cInterface->interface, pipeRef, itransfer->stream_id,
+ transfer->buffer, transfer->length, transfer->timeout,
+ transfer->timeout, darwin_async_io_callback, (void *)itransfer);
+
+ if (ret)
+ usbi_err (TRANSFER_CTX (transfer), "bulk stream transfer failed (dir = %s): %s (code = 0x%08x)", IS_XFERIN(transfer) ? "In" : "Out",
+ darwin_error_str(ret), ret);
+
+ return darwin_to_libusb (ret);
+}
+#endif
+
static int submit_iso_transfer(struct usbi_transfer *itransfer) {
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
struct darwin_transfer_priv *tpriv = usbi_transfer_get_os_priv(itransfer);
- struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)transfer->dev_handle->os_priv;
IOReturn kresult;
- uint8_t direction, number, interval, pipeRef, iface, transferType;
+ uint8_t direction, number, interval, pipeRef, transferType;
uint16_t maxPacketSize;
UInt64 frame;
AbsoluteTime atTime;
return LIBUSB_ERROR_NO_MEM;
}
- /* copy the frame list from the libusbx descriptor (the structures differ only is member order) */
+ /* copy the frame list from the libusb descriptor (the structures differ only is member order) */
for (i = 0 ; i < transfer->num_iso_packets ; i++)
tpriv->isoc_framelist[i].frReqCount = transfer->iso_packet_desc[i].length;
/* determine the interface/endpoint to use */
- if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, &iface) != 0) {
+ if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, NULL, &cInterface) != 0) {
usbi_err (TRANSFER_CTX (transfer), "endpoint not found on any open interface");
return LIBUSB_ERROR_NOT_FOUND;
}
- cInterface = &priv->interfaces[iface];
-
/* determine the properties of this endpoint and the speed of the device */
(*(cInterface->interface))->GetPipeProperties (cInterface->interface, pipeRef, &direction, &number,
&transferType, &maxPacketSize, &interval);
static int submit_control_transfer(struct usbi_transfer *itransfer) {
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
struct libusb_control_setup *setup = (struct libusb_control_setup *) transfer->buffer;
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)transfer->dev_handle->dev->os_priv;
- struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)transfer->dev_handle->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(transfer->dev_handle->dev);
struct darwin_transfer_priv *tpriv = usbi_transfer_get_os_priv(itransfer);
IOReturn kresult;
- bzero(&tpriv->req, sizeof(tpriv->req));
+ memset(&tpriv->req, 0, sizeof(tpriv->req));
- /* IOUSBDeviceInterface expects the request in cpu endianess */
+ /* IOUSBDeviceInterface expects the request in cpu endianness */
tpriv->req.bmRequestType = setup->bmRequestType;
tpriv->req.bRequest = setup->bRequest;
/* these values should be in bus order from libusb_fill_control_setup */
tpriv->req.wValue = OSSwapLittleToHostInt16 (setup->wValue);
tpriv->req.wIndex = OSSwapLittleToHostInt16 (setup->wIndex);
tpriv->req.wLength = OSSwapLittleToHostInt16 (setup->wLength);
- /* data is stored after the libusbx control block */
+ /* data is stored after the libusb control block */
tpriv->req.pData = transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE;
tpriv->req.completionTimeout = transfer->timeout;
tpriv->req.noDataTimeout = transfer->timeout;
- itransfer->flags |= USBI_TRANSFER_OS_HANDLES_TIMEOUT;
+ itransfer->timeout_flags |= USBI_TRANSFER_OS_HANDLES_TIMEOUT;
/* all transfers in libusb-1.0 are async */
if (transfer->endpoint) {
struct darwin_interface *cInterface;
- uint8_t pipeRef, iface;
+ uint8_t pipeRef;
- if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, &iface) != 0) {
+ if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, NULL, &cInterface) != 0) {
usbi_err (TRANSFER_CTX (transfer), "endpoint not found on any open interface");
return LIBUSB_ERROR_NOT_FOUND;
}
- cInterface = &priv->interfaces[iface];
-
kresult = (*(cInterface->interface))->ControlRequestAsyncTO (cInterface->interface, pipeRef, &(tpriv->req), darwin_async_io_callback, itransfer);
} else
/* control request on endpoint 0 */
return submit_bulk_transfer(itransfer);
case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
return submit_iso_transfer(itransfer);
+ case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
+#if InterfaceVersion >= 550
+ return submit_stream_transfer(itransfer);
+#else
+ usbi_err (TRANSFER_CTX(transfer), "IOUSBFamily version does not support bulk stream transfers");
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+#endif
default:
usbi_err (TRANSFER_CTX(transfer), "unknown endpoint type %d", transfer->type);
return LIBUSB_ERROR_INVALID_PARAM;
static int cancel_control_transfer(struct usbi_transfer *itransfer) {
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)transfer->dev_handle->dev->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(transfer->dev_handle->dev);
IOReturn kresult;
usbi_warn (ITRANSFER_CTX (itransfer), "aborting all transactions control pipe");
static int darwin_abort_transfers (struct usbi_transfer *itransfer) {
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct darwin_device_priv *dpriv = (struct darwin_device_priv *)transfer->dev_handle->dev->os_priv;
- struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)transfer->dev_handle->os_priv;
+ struct darwin_cached_device *dpriv = DARWIN_CACHED_DEVICE(transfer->dev_handle->dev);
struct darwin_interface *cInterface;
uint8_t pipeRef, iface;
IOReturn kresult;
- if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, &iface) != 0) {
+ if (ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, &iface, &cInterface) != 0) {
usbi_err (TRANSFER_CTX (transfer), "endpoint not found on any open interface");
return LIBUSB_ERROR_NOT_FOUND;
}
- cInterface = &priv->interfaces[iface];
-
if (!dpriv->device)
return LIBUSB_ERROR_NO_DEVICE;
usbi_warn (ITRANSFER_CTX (itransfer), "aborting all transactions on interface %d pipe %d", iface, pipeRef);
/* abort transactions */
- (*(cInterface->interface))->AbortPipe (cInterface->interface, pipeRef);
+#if InterfaceVersion >= 550
+ if (LIBUSB_TRANSFER_TYPE_BULK_STREAM == transfer->type)
+ (*(cInterface->interface))->AbortStreamsPipe (cInterface->interface, pipeRef, itransfer->stream_id);
+ else
+#endif
+ (*(cInterface->interface))->AbortPipe (cInterface->interface, pipeRef);
usbi_dbg ("calling clear pipe stall to clear the data toggle bit");
- /* clear the data toggle bit */
-#if (InterfaceVersion < 190)
- kresult = (*(cInterface->interface))->ClearPipeStall(cInterface->interface, pipeRef);
-#else
/* newer versions of darwin support clearing additional bits on the device's endpoint */
kresult = (*(cInterface->interface))->ClearPipeStallBothEnds(cInterface->interface, pipeRef);
-#endif
return darwin_to_libusb (kresult);
}
static void darwin_async_io_callback (void *refcon, IOReturn result, void *arg0) {
struct usbi_transfer *itransfer = (struct usbi_transfer *)refcon;
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct darwin_device_handle_priv *priv = (struct darwin_device_handle_priv *)transfer->dev_handle->os_priv;
- struct darwin_msg_async_io_complete message = {.itransfer = itransfer, .result = result,
- .size = (UInt32) (uintptr_t) arg0};
+ struct darwin_transfer_priv *tpriv = usbi_transfer_get_os_priv(itransfer);
usbi_dbg ("an async io operation has completed");
/* if requested write a zero packet */
if (kIOReturnSuccess == result && IS_XFEROUT(transfer) && transfer->flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET) {
struct darwin_interface *cInterface;
- uint8_t iface, pipeRef;
+ uint8_t pipeRef;
- (void) ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, &iface);
- cInterface = &priv->interfaces[iface];
+ (void) ep_to_pipeRef (transfer->dev_handle, transfer->endpoint, &pipeRef, NULL, &cInterface);
(*(cInterface->interface))->WritePipe (cInterface->interface, pipeRef, transfer->buffer, 0);
}
- /* send a completion message to the device's file descriptor */
- write (priv->fds[1], &message, sizeof (message));
+ tpriv->result = result;
+ tpriv->size = (UInt32) (uintptr_t) arg0;
+
+ /* signal the core that this transfer is complete */
+ usbi_signal_transfer_completion(itransfer);
}
static int darwin_transfer_status (struct usbi_transfer *itransfer, kern_return_t result) {
- if (itransfer->flags & USBI_TRANSFER_TIMED_OUT)
+ if (itransfer->timeout_flags & USBI_TRANSFER_TIMED_OUT)
result = kIOUSBTransactionTimeout;
switch (result) {
return LIBUSB_TRANSFER_OVERFLOW;
case kIOUSBTransactionTimeout:
usbi_warn (ITRANSFER_CTX (itransfer), "transfer error: timed out");
- itransfer->flags |= USBI_TRANSFER_TIMED_OUT;
+ itransfer->timeout_flags |= USBI_TRANSFER_TIMED_OUT;
return LIBUSB_TRANSFER_TIMED_OUT;
default:
usbi_warn (ITRANSFER_CTX (itransfer), "transfer error: %s (value = 0x%08x)", darwin_error_str (result), result);
}
}
-static void darwin_handle_callback (struct usbi_transfer *itransfer, kern_return_t result, UInt32 io_size) {
+static int darwin_handle_transfer_completion (struct usbi_transfer *itransfer) {
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
struct darwin_transfer_priv *tpriv = usbi_transfer_get_os_priv(itransfer);
int isIsoc = LIBUSB_TRANSFER_TYPE_ISOCHRONOUS == transfer->type;
if (!isIsoc && !isBulk && !isControl && !isInterrupt) {
usbi_err (TRANSFER_CTX(transfer), "unknown endpoint type %d", transfer->type);
- return;
+ return LIBUSB_ERROR_INVALID_PARAM;
}
usbi_dbg ("handling %s completion with kernel status %d",
- isControl ? "control" : isBulk ? "bulk" : isIsoc ? "isoc" : "interrupt", result);
+ isControl ? "control" : isBulk ? "bulk" : isIsoc ? "isoc" : "interrupt", tpriv->result);
- if (kIOReturnSuccess == result || kIOReturnUnderrun == result) {
+ if (kIOReturnSuccess == tpriv->result || kIOReturnUnderrun == tpriv->result) {
if (isIsoc && tpriv->isoc_framelist) {
/* copy isochronous results back */
lib_desc->actual_length = tpriv->isoc_framelist[i].frActCount;
}
} else if (!isIsoc)
- itransfer->transferred += io_size;
+ itransfer->transferred += tpriv->size;
}
/* it is ok to handle cancelled transfers without calling usbi_handle_transfer_cancellation (we catch timeout transfers) */
- usbi_handle_transfer_completion (itransfer, darwin_transfer_status (itransfer, result));
-}
-
-static int op_handle_events(struct libusb_context *ctx, struct pollfd *fds, POLL_NFDS_TYPE nfds, int num_ready) {
- struct darwin_msg_async_io_complete message;
- POLL_NFDS_TYPE i = 0;
- ssize_t ret;
-
- usbi_mutex_lock(&ctx->open_devs_lock);
-
- for (i = 0; i < nfds && num_ready > 0; i++) {
- struct pollfd *pollfd = &fds[i];
-
- usbi_dbg ("checking fd %i with revents = %x", pollfd->fd, pollfd->revents);
-
- if (!pollfd->revents)
- continue;
-
- num_ready--;
-
- if (pollfd->revents & POLLERR) {
- /* this probably will never happen so ignore the error an move on. */
- continue;
- }
-
- /* there is only one type of message */
- ret = read (pollfd->fd, &message, sizeof (message));
- if (ret < (ssize_t) sizeof (message)) {
- usbi_dbg ("WARNING: short read on async io completion pipe\n");
- continue;
- }
-
- darwin_handle_callback (message.itransfer, message.result, message.size);
- }
-
- usbi_mutex_unlock(&ctx->open_devs_lock);
-
- return 0;
+ return usbi_handle_transfer_completion (itransfer, darwin_transfer_status (itransfer, tpriv->result));
}
static int darwin_clock_gettime(int clk_id, struct timespec *tp) {
+#if !OSX_USE_CLOCK_GETTIME
mach_timespec_t sys_time;
clock_serv_t clock_ref;
tp->tv_nsec = sys_time.tv_nsec;
return 0;
+#else
+ switch (clk_id) {
+ case USBI_CLOCK_MONOTONIC:
+ return clock_gettime(CLOCK_MONOTONIC, tp);
+ case USBI_CLOCK_REALTIME:
+ return clock_gettime(CLOCK_REALTIME, tp);
+ default:
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+#endif
+}
+
+#if InterfaceVersion >= 550
+static int darwin_alloc_streams (struct libusb_device_handle *dev_handle, uint32_t num_streams, unsigned char *endpoints,
+ int num_endpoints) {
+ struct darwin_interface *cInterface;
+ UInt32 supportsStreams;
+ uint8_t pipeRef;
+ int rc, i;
+
+ /* find the mimimum number of supported streams on the endpoint list */
+ for (i = 0 ; i < num_endpoints ; ++i) {
+ if (0 != (rc = ep_to_pipeRef (dev_handle, endpoints[i], &pipeRef, NULL, &cInterface))) {
+ return rc;
+ }
+
+ (*(cInterface->interface))->SupportsStreams (cInterface->interface, pipeRef, &supportsStreams);
+ if (num_streams > supportsStreams)
+ num_streams = supportsStreams;
+ }
+
+ /* it is an error if any endpoint in endpoints does not support streams */
+ if (0 == num_streams)
+ return LIBUSB_ERROR_INVALID_PARAM;
+
+ /* create the streams */
+ for (i = 0 ; i < num_endpoints ; ++i) {
+ (void) ep_to_pipeRef (dev_handle, endpoints[i], &pipeRef, NULL, &cInterface);
+
+ rc = (*(cInterface->interface))->CreateStreams (cInterface->interface, pipeRef, num_streams);
+ if (kIOReturnSuccess != rc)
+ return darwin_to_libusb(rc);
+ }
+
+ return num_streams;
+}
+
+static int darwin_free_streams (struct libusb_device_handle *dev_handle, unsigned char *endpoints, int num_endpoints) {
+ struct darwin_interface *cInterface;
+ UInt32 supportsStreams;
+ uint8_t pipeRef;
+ int rc;
+
+ for (int i = 0 ; i < num_endpoints ; ++i) {
+ if (0 != (rc = ep_to_pipeRef (dev_handle, endpoints[i], &pipeRef, NULL, &cInterface)))
+ return rc;
+
+ (*(cInterface->interface))->SupportsStreams (cInterface->interface, pipeRef, &supportsStreams);
+ if (0 == supportsStreams)
+ return LIBUSB_ERROR_INVALID_PARAM;
+
+ rc = (*(cInterface->interface))->CreateStreams (cInterface->interface, pipeRef, 0);
+ if (kIOReturnSuccess != rc)
+ return darwin_to_libusb(rc);
+ }
+
+ return LIBUSB_SUCCESS;
}
+#endif
const struct usbi_os_backend darwin_backend = {
.name = "Darwin",
.get_device_descriptor = darwin_get_device_descriptor,
.get_active_config_descriptor = darwin_get_active_config_descriptor,
.get_config_descriptor = darwin_get_config_descriptor,
+ .hotplug_poll = darwin_hotplug_poll,
.open = darwin_open,
.close = darwin_close,
.clear_halt = darwin_clear_halt,
.reset_device = darwin_reset_device,
+#if InterfaceVersion >= 550
+ .alloc_streams = darwin_alloc_streams,
+ .free_streams = darwin_free_streams,
+#endif
+
.kernel_driver_active = darwin_kernel_driver_active,
.detach_kernel_driver = darwin_detach_kernel_driver,
.attach_kernel_driver = darwin_attach_kernel_driver,
.cancel_transfer = darwin_cancel_transfer,
.clear_transfer_priv = darwin_clear_transfer_priv,
- .handle_events = op_handle_events,
+ .handle_transfer_completion = darwin_handle_transfer_completion,
.clock_gettime = darwin_clock_gettime,
.device_priv_size = sizeof(struct darwin_device_priv),
.device_handle_priv_size = sizeof(struct darwin_device_handle_priv),
.transfer_priv_size = sizeof(struct darwin_transfer_priv),
- .add_iso_packet_size = 0,
};
projects / platform / upstream / libusb.git / blobdiff