1/*- 2 * Copyright (c) 2006 Tobias Reifenberger 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
26 * $FreeBSD: head/sys/geom/label/g_label_msdosfs.h 162834 2006-09-30 08:16:49Z pjd $ |
27 */ 28 29#include <sys/types.h> 30 31/* 32 * Conversion macros for little endian encoded unsigned integers 33 * in byte streams to the local unsigned integer format. 34 */ 35#define UINT16BYTES(p) ((uint32_t)((p)[0] + (256*(p)[1]))) 36#define UINT32BYTES(p) ((uint32_t)((p)[0] + (256*(p)[1]) + \ 37 (65536*(p)[2]) + (16777216*(p)[3]))) 38 39/* 40 * All following structures are according to: |
41 * |
42 * Microsoft Extensible Firmware Initiative FAT32 File System Specification 43 * FAT: General Overview of On-Disk Format 44 * Version 1.03, December 6, 2000 45 * Microsoft Corporation 46 */ 47 48/* 49 * FAT boot sector and boot parameter block for --- 19 unchanged lines hidden (view full) --- 69 uint8_t BS_DrvNum; 70 uint8_t BS_Reserved1; 71 uint8_t BS_BootSig; 72 uint8_t BS_VolID[4]; 73 uint8_t BS_VolLab[11]; 74 uint8_t BS_FilSysType[8]; 75} FAT_BSBPB; /* 62 bytes */ 76 |
77/* |
78 * FAT boot sector and boot parameter block for 79 * FAT32 volumes 80 */ 81typedef struct fat32_bsbpb { 82 /* common fields */ 83 uint8_t BS_jmpBoot[3]; 84 uint8_t BS_OEMName[8]; 85 uint8_t BPB_BytsPerSec[2]; --- 19 unchanged lines hidden (view full) --- 105 uint8_t BS_DrvNum; 106 uint8_t BS_Reserved1; 107 uint8_t BS_BootSig; 108 uint8_t BS_VolID[4]; 109 uint8_t BS_VolLab[11]; 110 uint8_t BS_FilSysType[8]; 111} FAT32_BSBPB; /* 90 bytes */ 112 |
113/* |
114 * FAT directory entry structure 115 */ 116#define FAT_DES_ATTR_READ_ONLY 0x01 117#define FAT_DES_ATTR_HIDDEN 0x02 118#define FAT_DES_ATTR_SYSTEM 0x04 119#define FAT_DES_ATTR_VOLUME_ID 0x08 120#define FAT_DES_ATTR_DIRECTORY 0x10 121#define FAT_DES_ATTR_ARCHIVE 0x20 --- 19 unchanged lines hidden --- |