1 /* $NetBSD: dd.h,v 1.16 2015/03/18 13:23:49 manu Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Keith Muller of the University of California, San Diego and Lance 9 * Visser of Convex Computer Corporation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)dd.h 8.3 (Berkeley) 4/2/94 36 */ 37 38 #include <sys/stat.h> 39 40 struct ddfops { 41 int (*op_init)(void); 42 43 int (*op_open)(const char *, int, ...); 44 int (*op_close)(int); 45 46 int (*op_fcntl)(int, int, ...); 47 int (*op_ioctl)(int, unsigned long, ...); 48 49 int (*op_fstat)(int, struct stat *); 50 int (*op_fsync)(int); 51 int (*op_ftruncate)(int, off_t); 52 53 off_t (*op_lseek)(int, off_t, int); 54 55 ssize_t (*op_read)(int, void *, size_t); 56 ssize_t (*op_write)(int, const void *, size_t); 57 }; 58 59 #define ddop_open(dir, a1, a2, ...) dir.ops->op_open(a1, a2, __VA_ARGS__) 60 #define ddop_close(dir, a1) dir.ops->op_close(a1) 61 #define ddop_fcntl(dir, a1, a2, ...) dir.ops->op_fcntl(a1, a2, __VA_ARGS__) 62 #define ddop_ioctl(dir, a1, a2, ...) dir.ops->op_ioctl(a1, a2, __VA_ARGS__) 63 #define ddop_fsync(dir, a1) dir.ops->op_fsync(a1) 64 #define ddop_ftruncate(dir, a1, a2) dir.ops->op_ftruncate(a1, a2) 65 #define ddop_lseek(dir, a1, a2, a3) dir.ops->op_lseek(a1, a2, a3) 66 #define ddop_read(dir, a1, a2, a3) dir.ops->op_read(a1, a2, a3) 67 #define ddop_write(dir, a1, a2, a3) dir.ops->op_write(a1, a2, a3) 68 69 /* Input/output stream state. */ 70 typedef struct { 71 u_char *db; /* buffer address */ 72 u_char *dbp; /* current buffer I/O address */ 73 uint64_t dbcnt; /* current buffer byte count */ 74 int64_t dbrcnt; /* last read byte count */ 75 uint64_t dbsz; /* buffer size */ 76 77 #define ISCHR 0x01 /* character device (warn on short) */ 78 #define ISPIPE 0x02 /* pipe (not truncatable) */ 79 #define ISTAPE 0x04 /* tape (not seekable) */ 80 #define NOREAD 0x08 /* not readable */ 81 u_int flags; 82 83 const char *name; /* name */ 84 int fd; /* file descriptor */ 85 uint64_t offset; /* # of blocks to skip */ 86 struct ddfops const *ops; /* ops to use with fd */ 87 } IO; 88 89 typedef struct { 90 uint64_t in_full; /* # of full input blocks */ 91 uint64_t in_part; /* # of partial input blocks */ 92 uint64_t out_full; /* # of full output blocks */ 93 uint64_t out_part; /* # of partial output blocks */ 94 uint64_t trunc; /* # of truncated records */ 95 uint64_t swab; /* # of odd-length swab blocks */ 96 uint64_t sparse; /* # of sparse output blocks */ 97 uint64_t bytes; /* # of bytes written */ 98 struct timeval start; /* start time of dd */ 99 } STAT; 100 101 /* Flags (in ddflags, iflag and oflag). */ 102 #define C_NONE 0x00000 103 #define C_ASCII 0x00001 104 #define C_BLOCK 0x00002 105 #define C_BS 0x00004 106 #define C_CBS 0x00008 107 #define C_COUNT 0x00010 108 #define C_EBCDIC 0x00020 109 #define C_FILES 0x00040 110 #define C_IBS 0x00080 111 #define C_IF 0x00100 112 #define C_LCASE 0x00200 113 #define C_NOERROR 0x00400 114 #define C_NOTRUNC 0x00800 115 #define C_OBS 0x01000 116 #define C_OF 0x02000 117 #define C_SEEK 0x04000 118 #define C_SKIP 0x08000 119 #define C_SWAB 0x10000 120 #define C_SYNC 0x20000 121 #define C_UCASE 0x40000 122 #define C_UNBLOCK 0x80000 123 #define C_OSYNC 0x100000 124 #define C_SPARSE 0x200000 125 #define C_IFLAG 0x400000 126 #define C_OFLAG 0x800000 127