1/* 2 * Copyright (c) 2003-2007 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 * BLGetRAIDBootData.c 25 * bless 26 * 27 * Created by Shantonu Sen on 1/13/05. 28 * Copyright 2005-2007 Apple Inc. All Rights Reserved. 29 * 30 * 31 * $Id: BLGetRAIDBootDataForDevice.c,v 1.8 2006/02/20 22:49:58 ssen Exp $ 32 * 33 */ 34 35#include <stdlib.h> 36#include <unistd.h> 37 38#include <mach/mach_error.h> 39 40#include <IOKit/IOKitLib.h> 41#include <IOKit/IOKitKeys.h> 42 43#include <CoreFoundation/CoreFoundation.h> 44 45#include "bless.h" 46#include "bless_private.h" 47 48#if SUPPORT_RAID 49 50#include <IOKit/storage/RAID/AppleRAIDUserLib.h> 51 52int BLGetRAIDBootDataForDevice(BLContextPtr context, const char * device, 53 CFTypeRef *bootData) 54{ 55 const char *name = NULL; 56 kern_return_t kret; 57 mach_port_t ourIOKitPort; 58 io_service_t service; 59 io_iterator_t serviter; 60 CFTypeRef data = NULL; 61 62 *bootData = NULL; 63 64 if(!device || 0 != strncmp(device, "/dev/", 5)) return 1; 65 66 name = device + 5; 67 68 // Obtain the I/O Kit communication handle. 69 if((kret = IOMasterPort(bootstrap_port, &ourIOKitPort)) != KERN_SUCCESS) { 70 return 2; 71 } 72 73 kret = IOServiceGetMatchingServices(ourIOKitPort, 74 IOBSDNameMatching(ourIOKitPort, 75 0, name), 76 &serviter); 77 if (kret != KERN_SUCCESS) { 78 return 3; 79 } 80 81 service = IOIteratorNext(serviter); 82 if (!service) { 83 IOObjectRelease(serviter); 84 return 3; 85 } 86 87 IOObjectRelease(serviter); 88 89 90 // we know this IOService is a RAID member. Now we need to get the boot data 91 data = IORegistryEntrySearchCFProperty( service, 92 kIOServicePlane, 93 CFSTR(kIOBootDeviceKey), 94 kCFAllocatorDefault, 95 kIORegistryIterateRecursively| 96 kIORegistryIterateParents); 97 if(data == NULL) { 98 // it's an error for a RAID not to have this information 99 IOObjectRelease(service); 100 return 0; 101 } 102 103 IOObjectRelease(service); 104 105 if(CFGetTypeID(data) == CFArrayGetTypeID()) { 106 107 } else if(CFGetTypeID(bootData) == CFDictionaryGetTypeID()) { 108 109 } else { 110 contextprintf(context, kBLLogLevelError, "Invalid RAID boot data\n" ); 111 return 3; 112 } 113 114 *bootData = data; 115 116 return 0; 117} 118 119#endif // SUPPORT_RAID 120