1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1999 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _PCFS_COMMON_H 28 #define _PCFS_COMMON_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Common routines for the pcfs user-level utilities 34 */ 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #include <sys/isa_defs.h> 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include "pcfs_bpb.h" 44 45 /* 46 * A macro implementing a ceiling function for integer divides. 47 */ 48 #define idivceil(dvend, dvsor) \ 49 ((dvend)/(dvsor) + (((dvend)%(dvsor) == 0) ? 0 : 1)) 50 51 /* 52 * These defines should move into a kernel header file eventually 53 * and pcfs_mount may want to refuse to mount FAT32's that aren't "clean" 54 * 55 * If Windows shuts down properly it sets the fourth bit of the 8th 56 * and final reserved byte at the start of the FAT. 57 */ 58 #define WIN_SHUTDOWN_STATUS_BYTE 7 59 #define WIN_SHUTDOWN_BIT_MASK 0x8 60 61 /* 62 * Define some special logical drives we use. 63 */ 64 #define BOOT_PARTITION_DRIVE 99 65 #define PRIMARY_DOS_DRIVE 1 66 67 /* 68 * Function prototypes 69 */ 70 extern off64_t findPartitionOffset(int fd, char *ldrive); 71 extern char *stat_actual_disk(char *diskname, struct stat *info, char **suffix); 72 extern void header_for_dump(void); 73 extern void store_16_bits(uchar_t **bp, uint32_t v); 74 extern void store_32_bits(uchar_t **bp, uint32_t v); 75 extern void read_16_bits(uchar_t *bp, uint32_t *value); 76 extern void read_32_bits(uchar_t *bp, uint32_t *value); 77 extern void missing_arg(char *option); 78 extern void dump_bytes(uchar_t *b, int n); 79 extern void bad_arg(char *option); 80 extern void usage(void); 81 extern int is_z_a_power_of_x_le_y(int x, int y, int z); 82 extern int yes(void); 83 84 /* 85 * The assumption here is that _BIG_ENDIAN implies sparc, and 86 * so in addition to swapping bytes we also have to construct 87 * packed structures by hand to avoid bus errors due to improperly 88 * aligned pointers. 89 */ 90 #ifdef _BIG_ENDIAN 91 extern void swap_pack_grab32bpb(bpb_t *wbpb, struct _boot_sector *bsp); 92 extern void swap_pack_grabbpb(bpb_t *wbpb, struct _boot_sector *bsp); 93 #endif /* _BIG_ENDIAN */ 94 95 #ifdef __cplusplus 96 } 97 #endif 98 99 #endif /* _PCFS_COMMON_H */ 100