1/* 2 * Copyright (c) 2002 Apple Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24#include "ioregpath.h" 25#include <IOKit/IOKitLib.h> 26 27CFDictionaryRef 28myIORegistryEntryCopyValue(const char * path) 29{ 30 io_registry_entry_t service; 31 kern_return_t status; 32 CFMutableDictionaryRef properties = NULL; 33 34 service = IORegistryEntryFromPath(kIOMasterPortDefault, path); 35 if (service == MACH_PORT_NULL) { 36 return (NULL); 37 } 38 status = IORegistryEntryCreateCFProperties(service, 39 &properties, 40 kCFAllocatorDefault, 41 kNilOptions); 42 if (status != KERN_SUCCESS) { 43 properties = NULL; 44 } 45 IOObjectRelease(service); 46 return (properties); 47} 48 49CFTypeRef 50myIORegistryEntryCopyProperty(const char * path, CFStringRef prop) 51{ 52 io_registry_entry_t service; 53 CFTypeRef val; 54 55 service = IORegistryEntryFromPath(kIOMasterPortDefault, path); 56 if (service == MACH_PORT_NULL) { 57 return (NULL); 58 } 59 val = IORegistryEntryCreateCFProperty(service, prop, 60 kCFAllocatorDefault, 61 kNilOptions); 62 IOObjectRelease(service); 63 return (val); 64} 65 66CFDictionaryRef 67myIORegistryEntryBSDNameMatchingCopyValue(const char * devname, Boolean parent) 68{ 69 kern_return_t status; 70 CFMutableDictionaryRef properties = NULL; 71 io_registry_entry_t service; 72 73 service 74 = IOServiceGetMatchingService(kIOMasterPortDefault, 75 IOBSDNameMatching(kIOMasterPortDefault, 0, devname)); 76 if (service == MACH_PORT_NULL) { 77 return (NULL); 78 } 79 if (parent) { 80 io_registry_entry_t parent_service; 81 82 status = IORegistryEntryGetParentEntry(service, kIOServicePlane, 83 &parent_service); 84 if (status == KERN_SUCCESS) { 85 status = IORegistryEntryCreateCFProperties(parent_service, 86 &properties, 87 kCFAllocatorDefault, 88 kNilOptions); 89 IOObjectRelease(parent_service); 90 } 91 } 92 else { 93 status = IORegistryEntryCreateCFProperties(service, 94 &properties, 95 kCFAllocatorDefault, 96 kNilOptions); 97 } 98 if (status != KERN_SUCCESS) { 99 properties = NULL; 100 } 101 IOObjectRelease(service); 102 return (properties); 103} 104 105