无法在Mac OS X 10.11上获得真正的IOKit条目
[英]Can't get real IOKit entries on Mac OS X 10.11
问题描述
I need to find the IO Kit service for my USB device. 
我需要为我的USB设备找到IO Kit服务。 I look for all USB devices like this: 我寻找所有这样的USB设备：
CFMutableDictionaryRef matchingDict = IOServiceMatching(kIOUSBDeviceClassName);
IONotificationPortRef notificationObject = IONotificationPortCreate(kIOMasterPortDefault);
CFRunLoopSourceRef notificationRunLoopSource;
//Use the notification object received from IONotificationPortCreate
notificationRunLoopSource =
IONotificationPortGetRunLoopSource(notificationObject);
CFRunLoopAddSource(CFRunLoopGetCurrent(), notificationRunLoopSource,
kCFRunLoopDefaultMode);
io_iterator_t iterator;
kern_return_t kr;
kr = IOServiceAddMatchingNotification(notificationObject, kIOFirstPublishNotification, matchingDict,
DeviceAppearedCallback, nil, &iterator);
if (kIOReturnSuccess == kr)
DeviceAppearedCallback(nil, iterator);
On 10.10 and earlier, when I look for IOUSBDevices I am returned services under the AppleACPIPlatformExpert class. 在10.10及更早版本，当我查找IOUSBDevices时，我返回AppleACPIPlatformExpert类下的服务。
> ioreg -r -n MyDevice -i -t
+-o Root <class IORegistryEntry, id 0x100000100, retain 9>
+-o MacBookPro11,2 <class IORegistryEntry:IOService:IOPlatformExpertDevice, id 0x100000112, registered, matched, active, busy 0 (1191243 ms), retain 42>
+-o AppleACPIPlatformExpert <class IORegistryEntry:IOService:IOPlatformExpert:IODTPlatformExpert:IOACPIPlatformExpert:AppleACPIPlatformExpert, id 0x100000113, registered, matched, active, busy 0 (1174729 ms), retain 44>
+-o PCI0@0 <class IORegistryEntry:IOService:IOPlatformDevice:IOACPIPlatformDevice, id 0x10000013c, registered, matched, active, busy 0 (1171678 ms), retain 40>
+-o AppleACPIPCI <class IORegistryEntry:IOService:IOPCIBridge:AppleACPIPCI, id 0x100000244, registered, matched, active, busy 0 (1171663 ms), retain 33>
+-o XHC1@14 <class IORegistryEntry:IOService:IOPCIDevice, id 0x10000023a, registered, matched, active, busy 0 (1167511 ms), retain 10>
+-o AppleUSBXHCI <class IORegistryEntry:IOService:IOUSBBus:IOUSBController:IOUSBControllerV2:IOUSBControllerV3:AppleUSBXHCI, id 0x100000269, registered, matched, active, busy 0 (1166957 ms), retain 30>
+-o MyDevice@14527130 <class IORegistryEntry:IOService:IOUSBNub:IOUSBDevice, id 0x1000503ee, registered, matched, active, busy 0 (316 ms), retain 16>
| {
| "sessionID" = 262856664715859
| "idProduct" = 555
| "bNumConfigurations" = 1
| "iManufacturer" = 1
| "bcdDevice" = 1280
| "Bus Power Available" = 250
| "bMaxPacketSize0" = 8
| "USB Product Name" = "MyDevice"
| "iProduct" = 2
| "iSerialNumber" = 3
| "bDeviceClass" = 0
| "IOUserClientClass" = "IOUSBDeviceUserClientV2"
| "bDeviceSubClass" = 0
| "USB Address" = 19
| "bcdUSB" = 512
| "locationID" = 340947248
| "PortNum" = 3
| "IOCFPlugInTypes" = {"9dc7b780-9ec0-11d4-a54f-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| "bDeviceProtocol" = 0
| "USB Vendor Name" = "FTDI"
| "Device Speed" = 1
| "idVendor" = 1027
| "USB Serial Number" = "sn123456"
| "IOGeneralInterest" = "IOCommand is not serializable"
| "Requested Power" = 45
| "Low Power Displayed" = No
| }
|
+-o IOUSBDeviceUserClientV2 <class IORegistryEntry:IOService:IOUserClient:IOUSBDeviceUserClientV2, id 0x1000503ef, !registered, !matched, active, busy 0, retain 7>
+-o IOUSBCompositeDriver <class IORegistryEntry:IOService:IOUSBCompositeDriver, id 0x1000503f3, !registered, !matched, active, busy 0, retain 4>
+-o MyDevice@0 <class IORegistryEntry:IOService:IOUSBNub:IOUSBInterface, id 0x1000503f4, registered, matched, active, busy 0 (125 ms), retain 9>
| | {
| | "IOCFPlugInTypes" = {"2d9786c6-9ef3-11d4-ad51-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| | "bcdDevice" = 1280
| | "IOUserClientClass" = "IOUSBInterfaceUserClientV3"
| | "idProduct" = 555
| | "bInterfaceSubClass" = 255
| | "bConfigurationValue" = 1
| | "locationID" = 340947248
| | "USB Interface Name" = "MyDevice"
| | "idVendor" = 1027
| | "iInterface" = 2
| | "bAlternateSetting" = 0
| | "bInterfaceProtocol" = 255
| | "bInterfaceNumber" = 0
| | "bInterfaceClass" = 255
| | "bNumEndpoints" = 2
| | }
| |
| +-o AppleUSBFTDI <class IORegistryEntry:IOService:IOSerialDriverSync:AppleUSBFTDI, id 0x1000503fa, !registered, !matched, active, busy 0 (1 ms), retain 6>
| +-o IORS232SerialStreamSync <class IORegistryEntry:IOService:IOSerialStreamSync:IORS232SerialStreamSync, id 0x1000503fb, registered, matched, active, busy 0 (1 ms), retain 6>
| +-o IOSerialBSDClient <class IORegistryEntry:IOService:IOSerialBSDClient, id 0x1000503fd, registered, matched, active, busy 0 (0 ms), retain 5>
+-o MyDevice@1 <class IORegistryEntry:IOService:IOUSBNub:IOUSBInterface, id 0x1000503f7, registered, matched, active, busy 0 (12 ms), retain 9>
| | {
| | "IOCFPlugInTypes" = {"2d9786c6-9ef3-11d4-ad51-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| | "bcdDevice" = 1280
| | "IOUserClientClass" = "IOUSBInterfaceUserClientV3"
| | "idProduct" = 555
| | "bInterfaceSubClass" = 255
| | "bConfigurationValue" = 1
| | "locationID" = 340947248
| | "USB Interface Name" = "MyDevice"
| | "idVendor" = 1027
| | "iInterface" = 2
| | "bAlternateSetting" = 0
| | "bInterfaceProtocol" = 255
| | "bInterfaceNumber" = 1
| | "bInterfaceClass" = 255
| | "bNumEndpoints" = 2
| | }
| |
| +-o AppleUSBFTDI <class IORegistryEntry:IOService:IOSerialDriverSync:AppleUSBFTDI, id 0x1000503fe, !registered, !matched, active, busy 0 (0 ms), retain 6>
| +-o IORS232SerialStreamSync <class IORegistryEntry:IOService:IOSerialStreamSync:IORS232SerialStreamSync, id 0x1000503ff, registered, matched, active, busy 0 (0 ms), retain 6>
| +-o IOSerialBSDClient <class IORegistryEntry:IOService:IOSerialBSDClient, id 0x100050401, registered, matched, active, busy 0 (0 ms), retain 5>
+-o IOUSBDeviceUserClientV2 <class IORegistryEntry:IOService:IOUserClient:IOUSBDeviceUserClientV2, id 0x100050403, !registered, !matched, active, busy 0, retain 7>
+-o IOUSBDeviceUserClientV2 <class IORegistryEntry:IOService:IOUserClient:IOUSBDeviceUserClientV2, id 0x100050404, !registered, !matched, active, busy 0, retain 7>
On 10.11, when I look for IOUSBDevices using ioreg or IORegistryExplorer I am returned services not only under the AppleACPIPlatformExpert class, but also under the IOResources class. 在10.11，当我使用ioreg或IORegistryExplorer查找IOUSBDevices时，我不仅在AppleACPIPlatformExpert类下返回服务，而且在IOResources类下返回服务。
$ ioreg -r -n MyDevice -t -i
+-o Root <class IORegistryEntry, id 0x100000100, retain 14>
+-o Macmini7,1 <class IORegistryEntry:IOService:IOPlatformExpertDevice, id 0x100000112, registered, matched, active, busy 0 (23064 ms), retain 39>
+-o AppleACPIPlatformExpert <class IORegistryEntry:IOService:IOPlatformExpert:IODTPlatformExpert:IOACPIPlatformExpert:AppleACPIPlatformExpert, id 0x100000113, registered, matched, active, busy 0 (9879 ms), retain 37>
+-o PCI0@0 <class IORegistryEntry:IOService:IOPlatformDevice:IOACPIPlatformDevice, id 0x10000013c, registered, matched, active, busy 0 (9850 ms), retain 42>
+-o AppleACPIPCI <class IORegistryEntry:IOService:IOPCIBridge:AppleACPIPCI, id 0x10000024b, registered, matched, active, busy 0 (9836 ms), retain 35>
+-o XHC1@14 <class IORegistryEntry:IOService:IOPCIDevice, id 0x10000023e, registered, matched, active, busy 0 (5991 ms), retain 13>
+-o XHC1@14000000 <class IORegistryEntry:IOService:AppleUSBHostController:AppleUSBXHCI:AppleUSBXHCIPCI:AppleUSBXHCILPT, id 0x100000267, registered, matched, active, busy 0 (5067 ms), retain 183>
+-o HS01@14100000 <class IORegistryEntry:IOService:AppleUSBHostPort:AppleUSBXHCIPort:AppleUSB20XHCIPort, id 0x1000002d9, registered, matched, active, busy 0 (99 ms), retain 14>
+-o MyDevice@14100000 <class IORegistryEntry:IOService:IOUSBNub:IOUSBDevice, id 0x100000a95, registered, matched, active, busy 0 (7 ms), retain 26>
| {
| "sessionID" = 145657060387527
| "USBSpeed" = 1
| "idProduct" = 555
| "bDeviceClass" = 0
| "IOPowerManagement" = {"PowerOverrideOn"=Yes,"CapabilityFlags"=32768,"MaxPowerState"=2,"DevicePowerState"=2,"ChildrenPowerState"=1,"DriverPowerState"=0,"CurrentPowerState"=2}
| "bcdDevice" = 1280
| "USB Product Name" = "MyDevice"
| "AppleUSBAlternateServiceRegistryID" = 4294970007
| "locationID" = 336592896
| "kUSBSerialNumberString" = "54df18d4"
| "bDeviceSubClass" = 0
| "kUSBCurrentConfiguration" = 1
| "IOCFPlugInTypes" = {"9dc7b780-9ec0-11d4-a54f-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| "bDeviceProtocol" = 0
| "USBPortType" = 0
| "USB Vendor Name" = "FTDI"
| "idVendor" = 1027
| "USB Serial Number" = "54df18d4"
| "IOGeneralInterest" = "IOCommand is not serializable"
| "kUSBVendorString" = "FTDI"
| "IOClassNameOverride" = "IOUSBDevice"
| }
|
+-o AppleUSBHostLegacyClient <class IORegistryEntry:IOService:AppleUSBHostLegacyClient, id 0x100000a98, !registered, !matched, active, busy 0, retain 8>
+-o AppleUSBHostCompositeDevice <class IORegistryEntry:IOService:AppleUSBHostCompositeDevice, id 0x100000aa0, !registered, !matched, active, busy 0, retain 4>
+-o MyDevice@0 <class IORegistryEntry:IOService:IOUSBNub:IOUSBInterface, id 0x100000aa1, registered, matched, active, busy 0 (2 ms), retain 11>
| | {
| | "USBPortType" = 0
| | "IOCFPlugInTypes" = {"2d9786c6-9ef3-11d4-ad51-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| | "bcdDevice" = 1280
| | "USBSpeed" = 1
| | "idProduct" = 555
| | "bConfigurationValue" = 1
| | "bInterfaceSubClass" = 255
| | "locationID" = 336592896
| | "IOGeneralInterest" = "IOCommand is not serializable"
| | "IOClassNameOverride" = "IOUSBInterface"
| | "AppleUSBAlternateServiceRegistryID" = 4294970019
| | "idVendor" = 1027
| | "bInterfaceProtocol" = 255
| | "bAlternateSetting" = 0
| | "bInterfaceNumber" = 0
| | "bInterfaceClass" = 255
| | }
| |
| +-o AppleUSBFTDI <class IORegistryEntry:IOService:IOSerialDriverSync:AppleUSBFTDI, id 0x100000aa8, !registered, !matched, active, busy 0 (0 ms), retain 5>
| +-o IORS232SerialStreamSync <class IORegistryEntry:IOService:IOSerialStreamSync:IORS232SerialStreamSync, id 0x100000aa9, registered, matched, active, busy 0 (0 ms), retain 6>
| +-o IOSerialBSDClient <class IORegistryEntry:IOService:IOSerialBSDClient, id 0x100000aaa, registered, matched, active, busy 0 (0 ms), retain 5>
+-o MyDevice@1 <class IORegistryEntry:IOService:IOUSBNub:IOUSBInterface, id 0x100000aa2, registered, matched, active, busy 0 (2 ms), retain 11>
| {
| "USBPortType" = 0
| "IOCFPlugInTypes" = {"2d9786c6-9ef3-11d4-ad51-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| "bcdDevice" = 1280
| "USBSpeed" = 1
| "idProduct" = 555
| "bConfigurationValue" = 1
| "bInterfaceSubClass" = 255
| "locationID" = 336592896
| "IOGeneralInterest" = "IOCommand is not serializable"
| "IOClassNameOverride" = "IOUSBInterface"
| "AppleUSBAlternateServiceRegistryID" = 4294970023
| "idVendor" = 1027
| "bInterfaceProtocol" = 255
| "bAlternateSetting" = 0
| "bInterfaceNumber" = 1
| "bInterfaceClass" = 255
| }
|
+-o AppleUSBFTDI <class IORegistryEntry:IOService:IOSerialDriverSync:AppleUSBFTDI, id 0x100000aac, !registered, !matched, active, busy 0 (0 ms), retain 5>
+-o IORS232SerialStreamSync <class IORegistryEntry:IOService:IOSerialStreamSync:IORS232SerialStreamSync, id 0x100000aad, registered, matched, active, busy 0 (0 ms), retain 6>
+-o IOSerialBSDClient <class IORegistryEntry:IOService:IOSerialBSDClient, id 0x100000aae, registered, matched, active, busy 0 (0 ms), retain 5>
+-o Root <class IORegistryEntry, id 0x100000100, retain 14>
+-o Macmini7,1 <class IORegistryEntry:IOService:IOPlatformExpertDevice, id 0x100000112, registered, matched, active, busy 0 (23064 ms), retain 39>
+-o IOResources <class IORegistryEntry:IOService:IOResources, id 0x100000115, registered, matched, active, busy 0 (4082 ms), retain 33>
+-o AppleUSBHostResources <class IORegistryEntry:IOService:AppleUSBHostResources, id 0x100000257, registered, matched, active, busy 0 (1530 ms), retain 37>
+-o AppleUSBLegacyRoot <class IORegistryEntry:IOService:AppleUSBHostResourcesClient:AppleUSBLegacyRoot, id 0x10000025a, registered, matched, active, busy 0 (1529 ms), retain 26>
+-o AppleUSBXHCI@14000000 <class IORegistryEntry:IOService:IOUSBBus:IOUSBController:IOUSBControllerV2:IOUSBControllerV3:AppleUSBController, id 0x1000002ff, registered, matched, active, busy 0 (1529 ms), retain 26>
+-o MyDevice@14100000 <class IORegistryEntry:IOService:IOUSBNub:IOUSBDevice, id 0x100000a97, registered, matched, active, busy 0 (7 ms), retain 16>
| {
| "sessionID" = 145657060387527
| "iManufacturer" = 1
| "bNumConfigurations" = 1
| "Built-In" = No
| "bcdDevice" = 1280
| "Bus Power Available" = 500
| "idProduct" = 555
| "bMaxPacketSize0" = 8
| "iProduct" = 2
| "iSerialNumber" = 3
| "USB Address" = 18
| "bDeviceClass" = 0
| "locationID" = 336592896
| "bDeviceSubClass" = 0
| "bcdUSB" = 512
| "USB Product Name" = "MyDevice"
| "non-removable" = "no"
| "IOCFPlugInTypes" = {"9dc7b780-9ec0-11d4-a54f-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| "IOUserClientClass" = "IOUSBDeviceUserClientV2"
| "bDeviceProtocol" = 0
| "IOPowerManagement" = {"DevicePowerState"=0,"CurrentPowerState"=3,"CapabilityFlags"=65536,"MaxPowerState"=4,"DriverPowerState"=3}
| "Device Speed" = 1
| "USB Vendor Name" = "FTDI"
| "idVendor" = 1027
| "IOGeneralInterest" = "IOCommand is not serializable"
| "USB Serial Number" = "54df18d4"
| "IOClassNameOverride" = "IOUSBDevice"
| }
|
+-o MyDevice@0 <class IORegistryEntry:IOService:IOUSBNub:IOUSBInterface, id 0x100000aa3, registered, matched, active, busy 0 (2 ms), retain 5>
| {
| "IOCFPlugInTypes" = {"2d9786c6-9ef3-11d4-ad51-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| "bcdDevice" = 1280
| "IOUserClientClass" = "IOUSBInterfaceUserClientV3"
| "idProduct" = 555
| "bInterfaceSubClass" = 255
| "bConfigurationValue" = 1
| "locationID" = 336592896
| "USB Interface Name" = "MyDevice"
| "IOClassNameOverride" = "IOUSBInterface"
| "bInterfaceProtocol" = 255
| "idVendor" = 1027
| "bAlternateSetting" = 0
| "iInterface" = 2
| "bInterfaceNumber" = 0
| "bInterfaceClass" = 255
| "bNumEndpoints" = 2
| }
|
+-o MyDevice@1 <class IORegistryEntry:IOService:IOUSBNub:IOUSBInterface, id 0x100000aa7, registered, matched, active, busy 0 (2 ms), retain 5>
| {
| "IOCFPlugInTypes" = {"2d9786c6-9ef3-11d4-ad51-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| "bcdDevice" = 1280
| "IOUserClientClass" = "IOUSBInterfaceUserClientV3"
| "idProduct" = 555
| "bInterfaceSubClass" = 255
| "bConfigurationValue" = 1
| "locationID" = 336592896
| "USB Interface Name" = "MyDevice"
| "IOClassNameOverride" = "IOUSBInterface"
| "bInterfaceProtocol" = 255
| "idVendor" = 1027
| "bAlternateSetting" = 0
| "iInterface" = 2
| "bInterfaceNumber" = 1
| "bInterfaceClass" = 255
| "bNumEndpoints" = 2
| }
However, on 10.11, when I search for devices of class IOUSBDevice using the code above, I only get the results under the IOResources/AppleUSBLegacyRoot provider. 但是，在10.11，当我使用上面的代码搜索类IOUSBDevice的设备时，我只在IOResources / AppleUSBLegacyRoot提供程序下获得结果。 This means when I go looking for the child object of class IOSerialBSDClient, it cannot be found. 这意味着当我去寻找IOSerialBSDClient类的子对象时，无法找到它。
Any idea how I can get the "real" entries on 10.11? 知道如何在10.11获得“真实”条目吗？
1 个解决方案
解决方案1
3 已采纳 2015-11-06 19:06:21
On 10.11, you have to look for IOUSBHostDevice instead of IOUSBDevice to get the same results you would on 10.10 and earlier. 在10.11，你必须寻找IOUSBHostDevice而不是IOUSBDevice来获得与10.10及更早版本相同的结果。
NSOperatingSystemVersion needHostDeviceVersion = {10,11,0};
if ([[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion:needHostDeviceVersion])
matchingDict = IOServiceMatching("IOUSBHostDevice");
else
matchingDict = IOServiceMatching(kIOUSBDeviceClassName);
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