clientif.h File Reference

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Classes
class	UcxUsbdHandle

Macros
#define	UCX_USBDI_VERSION   0x600

Functions
VOID NTAPI	UcxDropLeakedUsbdHandles (_In_ UcxUsbDevice *Device)
BOOLEAN NTAPI	UcxAnyUsbdHandleHasVerifier (_In_ UcxUsbDevice *Device)

Macro Definition Documentation

UCX_USBDI_VERSION

#define UCX_USBDI_VERSION   0x600

Definition at line 11 of file clientif.h.

Function Documentation

UcxAnyUsbdHandleHasVerifier()

BOOLEAN NTAPI UcxAnyUsbdHandleHasVerifier

(

_In_ UcxUsbDevice *

Device

)

TRUE when any client registered against the device runs with USB verifier.

Definition at line 646 of file clientif.cpp.

{
    PLIST_ENTRY Entry;
 
    for (Entry = Device->m_UsbdHandleList.Flink; Entry != &Device->m_UsbdHandleList; Entry = Entry->Flink)
    {
        if (CONTAINING_RECORD(Entry, UcxUsbdHandle, m_DeviceLink)->m_VerifierEnabled)
            return TRUE;
    }
 
    return FALSE;
}

Referenced by UcxValidatePipeHandle().

UcxDropLeakedUsbdHandles()

VOID NTAPI UcxDropLeakedUsbdHandles

(

_In_ UcxUsbDevice *

Device

)

At device delete: what clients failed to unregister.

Definition at line 615 of file clientif.cpp.

{
    BOOLEAN Verifying = Device->m_Controller->m_DriverVerifierEnabled;
    UcxUsbdHandle* Handle;
    PLIST_ENTRY Entry;
 
    SpinLockGuard Guard(&Device->m_UsbdHandleLock);
 
    for (Entry = Device->m_UsbdHandleList.Flink; Entry != &Device->m_UsbdHandleList; Entry = Entry->Flink)
    {
        Handle = CONTAINING_RECORD(Entry, UcxUsbdHandle, m_DeviceLink);
 
        DPRINT1("USBD handle %p of client %p leaked on device %p\n", Handle, Handle->m_ClientDeviceObject, Device);
 
        if (Verifying || Handle->m_VerifierEnabled)
        {
            KeBugCheckEx(UCX_BUGCHECK_USB3,
                         UCX_USB3_HANDLE_LEAKED,
                         (ULONG_PTR)Handle,
                         (ULONG_PTR)Handle->m_ClientDeviceObject,
                         0);
        }
 
        ObDereferenceObject(Handle->m_ClientDeviceObject);
        Handle->m_Orphaned = TRUE;
    }
}

Referenced by UcxUsbDevice::DeleteFromHub().