VendorSpecificType00.cpp
/* |
File: VendorSpecificType00.cpp |
Description: This sample demonstrates how to subclass the IOSCSIPeripheralDeviceType00 driver |
to add custom vendor-specific functionality. It also shows how to set up a simple |
interface from user space code using I/O Registry properties. |
Copyright: © Copyright 2002-2006 Apple Computer, Inc. All rights reserved. |
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Change History (most recent first): |
1.1 08/31/2006 Updated to produce a universal binary. Now requires Xcode 2.2.1 or |
later to build. |
1.0 08/15/2002 New sample. |
*/ |
#include "VendorSpecificType00.h" |
#include <IOKit/storage/IOBlockStorageDriver.h> |
#ifdef DEBUG |
#define DEBUG_LOG IOLog |
#else |
#define DEBUG_LOG(...) |
#endif |
#define super IOSCSIPeripheralDeviceType00 |
OSDefineMetaClassAndStructors(com_apple_dts_driver_VendorSpecificType00, IOSCSIPeripheralDeviceType00) |
// This function will be called when the user process calls IORegistryEntrySetCFProperties on |
// this driver. You can add your custom functionality to this function. |
IOReturn com_apple_dts_driver_VendorSpecificType00::setProperties(OSObject* properties) |
{ |
OSDictionary* dict; |
OSNumber* number; |
dict = OSDynamicCast(OSDictionary, properties); |
if (!dict) { |
return kIOReturnBadArgument; |
} |
number = OSDynamicCast(OSNumber, dict->getObject(kMyPropertyKey)); |
if (number) { |
UInt32 value |
#ifndef DEBUG |
__attribute__ ((unused)) // Avoid compiler warning for unused variable when building Release configuration. |
#endif |
= number->unsigned32BitValue(); |
DEBUG_LOG("%s[%p]::%s(%p) got value %lu\n", getName(), this, __FUNCTION__, properties, value); |
return kIOReturnSuccess; |
} |
else { |
return super::setProperties(properties); |
} |
} |
// Padding for future binary compatibility. |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 0); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 1); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 2); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 3); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 4); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 5); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 6); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 7); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 8); |
OSMetaClassDefineReservedUnused(com_apple_dts_driver_VendorSpecificType00, 9); |
Copyright © 2006 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2006-10-02