1 /* 2 * Copyright 2003-2007, Axel Dörfler, axeld@pinc-software.de. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef KERNEL_BOOT_PARTITIONS_H 6 #define KERNEL_BOOT_PARTITIONS_H 7 8 9 #include <boot/vfs.h> 10 #include <disk_device_manager.h> 11 12 13 struct file_system_module_info; 14 15 namespace boot { 16 17 class Partition : public Node, public partition_data { 18 public: 19 Partition(int deviceFD); 20 virtual ~Partition(); 21 22 virtual ssize_t ReadAt(void *cookie, off_t offset, void *buffer, size_t bufferSize); 23 virtual ssize_t WriteAt(void *cookie, off_t offset, const void *buffer, size_t bufferSize); 24 25 virtual off_t Size() const; 26 virtual int32 Type() const; 27 28 Partition *AddChild(); 29 30 status_t Mount(Directory **_fileSystem = NULL, bool isBootDevice = false); 31 status_t Scan(bool mountFileSystems, bool isBootDevice = false); 32 33 void SetParent(Partition *parent); 34 Partition *Parent() const; 35 36 bool IsFileSystem() const { return fIsFileSystem; } 37 bool IsPartitioningSystem() const { return fIsPartitioningSystem; } 38 const char *ModuleName() const { return fModuleName; } 39 40 int FD() const { return fFD; } 41 42 private: 43 status_t _Mount(file_system_module_info *module, Directory **_fileSystem); 44 45 int fFD; 46 NodeList fChildren; 47 Partition *fParent; 48 bool fIsFileSystem, fIsPartitioningSystem; 49 const char *fModuleName; 50 }; 51 52 } // namespace boot 53 54 // DiskDeviceTypes we need/support in the boot loader 55 #define kPartitionTypeAmiga "Amiga RDB" 56 #define kPartitionTypeIntel "Intel Partition Map" 57 #define kPartitionTypeIntelExtended "Intel Extended Partition" 58 // Note: The naming of these two at least must be consistent with 59 // DiskDeviceTypes.cpp. 60 #define kPartitionTypeApple "Apple" 61 62 #define kPartitionTypeBFS "BFS Filesystem" 63 #define kPartitionTypeAmigaFFS "AmigaFFS Filesystem" 64 #define kPartitionTypeBTRFS "BTRFS Filesystem" 65 #define kPartitionTypeEXFAT "exFAT Filesystem" 66 #define kPartitionTypeEXT2 "EXT2 Filesystem" 67 #define kPartitionTypeEXT3 "EXT3 Filesystem" 68 #define kPartitionTypeFAT12 "FAT12 Filesystem" 69 #define kPartitionTypeFAT32 "FAT32 Filesystem" 70 #define kPartitionTypeHFS "HFS Filesystem" 71 #define kPartitionTypeHFSPlus "HFS+ Filesystem" 72 #define kPartitionTypeISO9660 "ISO9660 Filesystem" 73 #define kPartitionTypeReiser "Reiser Filesystem" 74 #define kPartitionTypeTarFS "TAR Filesystem" 75 #define kPartitionTypeUDF "UDF Filesystem" 76 77 // structure definitions as used in the boot loader 78 struct partition_module_info; 79 extern partition_module_info gAmigaPartitionModule; 80 extern partition_module_info gApplePartitionModule; 81 extern partition_module_info gEFIPartitionModule; 82 extern partition_module_info gIntelPartitionMapModule; 83 extern partition_module_info gIntelExtendedPartitionModule; 84 85 // the file system module info is not a standard module info; 86 // their modules are specifically written for the boot loader, 87 // and hence, don't need to follow the standard module specs. 88 89 struct file_system_module_info { 90 const char *module_name; 91 const char *pretty_name; 92 float (*identify_file_system)(boot::Partition *device); 93 status_t (*get_file_system)(boot::Partition *device, Directory **_root); 94 }; 95 96 extern file_system_module_info gBFSFileSystemModule; 97 extern file_system_module_info gFATFileSystemModule; 98 extern file_system_module_info gHFSPlusFileSystemModule; 99 extern file_system_module_info gAmigaFFSFileSystemModule; 100 extern file_system_module_info gTarFileSystemModule; 101 102 #endif /* KERNEL_BOOT_PARTITIONS_H */ 103