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removed unneeded tools 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1038 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-08-01 22:00:34 +00:00
parent ea2384d36e
commit a3fb0cf907
4 changed files with 0 additions and 492 deletions
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13
cow.h
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@ -1,13 +0,0 @@
/* user mode linux compatible COW file */
#define COW_MAGIC 0x4f4f4f4d /* MOOO */
#define COW_VERSION 2
struct cow_header_v2 {
uint32_t magic;
uint32_t version;
char backing_file[1024];
int32_t mtime;
uint64_t size;
uint32_t sectorsize;
};

146
qemu-mkcow.c
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@ -1,146 +0,0 @@
/*
* create a COW disk image
*
* Copyright (c) 2003 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <getopt.h>
#include <inttypes.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#include <errno.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include "cow.h"
#include "bswap.h"
int cow_create(int cow_fd, const char *image_filename,
int64_t image_sectors)
{
struct cow_header_v2 cow_header;
int fd;
struct stat st;
memset(&cow_header, 0, sizeof(cow_header));
cow_header.magic = htonl(COW_MAGIC);
cow_header.version = htonl(COW_VERSION);
if (image_filename) {
fd = open(image_filename, O_RDONLY);
if (fd < 0) {
perror(image_filename);
exit(1);
}
image_sectors = lseek64(fd, 0, SEEK_END);
if (fstat(fd, &st) != 0) {
close(fd);
return -1;
}
close(fd);
image_sectors /= 512;
cow_header.mtime = htonl(st.st_mtime);
realpath(image_filename, cow_header.backing_file);
}
cow_header.sectorsize = htonl(512);
cow_header.size = image_sectors * 512;
#ifndef WORDS_BIGENDIAN
cow_header.size = bswap64(cow_header.size);
#endif
write(cow_fd, &cow_header, sizeof(cow_header));
/* resize to include at least all the bitmap */
ftruncate(cow_fd, sizeof(cow_header) + ((image_sectors + 7) >> 3));
lseek(cow_fd, 0, SEEK_SET);
return 0;
}
void help(void)
{
printf("qemu-mkcow version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n"
"usage: qemu-mkcow [-h] [-f disk_image] cow_image [cow_size]\n"
"Create a Copy On Write disk image from an optional raw disk image\n"
"\n"
"-f disk_image set the raw disk image name\n"
"cow_image the created cow_image\n"
"cow_size the create cow_image size in MB if no raw disk image is used\n"
"\n"
"Once the cow_image is created from a raw disk image, you must not modify the original raw disk image\n"
);
exit(1);
}
int main(int argc, char **argv)
{
const char *image_filename, *cow_filename;
int cow_fd, c, nb_args, simple_image;
int64_t image_size;
image_filename = NULL;
image_size = 0;
simple_image = 0;
for(;;) {
c = getopt(argc, argv, "hf:s");
if (c == -1)
break;
switch(c) {
case 'h':
help();
break;
case 'f':
image_filename = optarg;
break;
case 's':
simple_image = 1;
break;
}
}
if (!image_filename)
nb_args = 2;
else
nb_args = 1;
if (optind + nb_args != argc)
help();
cow_filename = argv[optind];
if (nb_args == 2) {
image_size = (int64_t)atoi(argv[optind + 1]) * 2 * 1024;
}
cow_fd = open(cow_filename, O_RDWR | O_CREAT | O_TRUNC | O_LARGEFILE, 0644);
if (!cow_fd < 0)
return -1;
if (simple_image) {
ftruncate64(cow_fd, image_size * 512);
} else {
if (cow_create(cow_fd, image_filename, image_size) < 0) {
fprintf(stderr, "%s: error while formating\n", cow_filename);
exit(1);
}
}
close(cow_fd);
return 0;
}

72
vmdk.h
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@ -1,72 +0,0 @@
/*
Copyright (C) Matthew Chapman 2003
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define SECTOR_BITS 9
#define SECTOR_SIZE (1 << SECTOR_BITS)
#define SECTOR_MASK (SECTOR_SIZE - 1)
#define L1_BITS (SECTOR_BITS - 3)
#define L1_SIZE (1 << L1_BITS)
#define L1_MASK (L1_SIZE - 1)
#define L2_BITS SECTOR_BITS
#define L2_SIZE (1 << L2_BITS)
#define L2_MASK (L2_SIZE - 1)
#define MIN(x,y) (((x) < (y)) ? (x) : (y))
struct cowdisk_header
{
uint32_t version;
uint32_t flags;
uint32_t disk_sectors;
uint32_t granularity;
uint32_t l1dir_offset;
uint32_t l1dir_size;
uint32_t file_sectors;
uint32_t cylinders;
uint32_t heads;
uint32_t sectors_per_track;
};
struct cowdisk_header2
{
uint32_t parent_ts;
uint32_t timestamp;
};
/* based on vdk 3.1 10-11-2003 by Ken Kato */
struct vmdisk_header
{
uint32_t version;
uint32_t flags;
int64_t capacity;
int64_t granularity;
int64_t desc_offset;
int64_t desc_size;
int32_t num_gtes_per_gte;
int64_t rgd_offset;
int64_t gd_offset;
int64_t grain_offset;
char filler[1];
char check_bytes[4];
};

261
vmdk2raw.c
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@ -1,261 +0,0 @@
/*
vmdk2raw: convert vmware images to raw disk images
Copyright (C) Net Integration Technologies 2004
Copyright (C) Matthew Chapman 2003
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <inttypes.h>
#include <sys/types.h>
#include <string.h>
#include <sys/stat.h>
#include <errno.h>
#include "vmdk.h"
#include "config-host.h"
static struct cowdisk_header header;
static struct vmdisk_header header4;
static off64_t disk_limit;
static unsigned int granule_size;
static uint32_t *l1dir;
static unsigned int cached_l2dir;
static uint32_t l2dir[L2_SIZE];
static struct vmdk_prm {
uint32_t grain_table_size;
uint32_t sectors_per_grain;
uint32_t sectors_per_table;
uint32_t directory_size;
} vdsk;
static size_t read_physical(int fd, off64_t offset, size_t length, void *buffer)
{
size_t n;
if (lseek64(fd, offset, SEEK_SET) == -1) {
printf(" error trying to seek lseek to %lld", offset);
return -1;
}
n = read(fd, buffer, length);
if (n == -1) {
printf("read from disk %lld", offset);
return -1;
}
return n;
}
static int read_l1dir(int fd, size_t offset, int num)
{
l1dir = malloc(sizeof(*l1dir) * num);
if (!l1dir)
return -1;
return read_physical(fd, offset << SECTOR_BITS, sizeof(*l1dir) * num, (char *)l1dir) != (sizeof(*l1dir) * num);
}
static int read_l2dir(int fd, size_t offset, int num)
{
return read_physical(fd, offset << SECTOR_BITS, sizeof(l2dir[0]) * num, (char *)l2dir) != sizeof(l2dir);
}
static size_t copy_virtual(struct vmdk_prm *dsk, int in_fd, int out_fd, off64_t offset, void *buffer, size_t length)
{
unsigned int granule_offset;
unsigned int grain_index;
unsigned int sector_map_idx;
granule_offset = offset % granule_size;
length = MIN(length, granule_size - granule_offset);
length = MIN(length, disk_limit - offset);
sector_map_idx = (offset >> SECTOR_BITS) / dsk->sectors_per_table;
if (sector_map_idx >= dsk->directory_size) {
fprintf(stderr, "cannot locate grain table for %d in %d\n", sector_map_idx, dsk->directory_size);
return -1;
}
if (l1dir[sector_map_idx] == 0)
goto zero_fill;
if (sector_map_idx != cached_l2dir) {
if (read_l2dir(in_fd, l1dir[sector_map_idx], dsk->grain_table_size)) {
fprintf(stderr, "read failed\n");
return -1;
}
cached_l2dir = sector_map_idx;
}
grain_index = ((offset >> SECTOR_BITS) % dsk->sectors_per_table) / dsk->sectors_per_grain;
if (grain_index >= dsk->grain_table_size) {
fprintf(stderr, "grain to large");
return -1;
}
if (l2dir[grain_index] == 0)
goto zero_fill;
if (read_physical(in_fd, (l2dir[grain_index] << SECTOR_BITS) + granule_offset, length, buffer) != length) {
fprintf(stderr, "read error 2\n");
return -1;
}
write(out_fd, buffer, length);
return length;
zero_fill:
/* the last chunk of the file can not be sparse
* or the file will be truncated */
if (offset + length >= disk_limit) {
if (lseek64(out_fd, length-1, SEEK_CUR) == (off_t)-1)
perror("lseek");
/* write the last NULL byte instead of seeking */
const char nil = 0;
write(out_fd, &nil, 1);
} else {
if (lseek64(out_fd, length, SEEK_CUR) == (off_t)-1)
perror("lseek");
}
return length;
}
static int open_vmdk4(int fd)
{
if (read(fd, &header4, sizeof(header4)) != sizeof(header4)) {
perror("read from disk");
return -1;
}
granule_size = header4.granularity << SECTOR_BITS;
disk_limit = header4.capacity << SECTOR_BITS;
cached_l2dir = -1;
vdsk.grain_table_size = header4.num_gtes_per_gte;
vdsk.sectors_per_grain = header4.granularity;
vdsk.sectors_per_table = vdsk.grain_table_size * vdsk.sectors_per_grain;
vdsk.directory_size = (header4.capacity + vdsk.sectors_per_table - 1) / vdsk.sectors_per_table + 1;
if (read_l1dir(fd, header4.rgd_offset, vdsk.directory_size))
return -1;
return 0;
}
static int open_vmdk3(int fd)
{
if (read(fd, &header, sizeof(header)) != sizeof(header)) {
perror("read from disk\n");
return -1;
}
granule_size = header.granularity << SECTOR_BITS;
vdsk.sectors_per_grain = header.granularity;
vdsk.grain_table_size = L2_SIZE;
vdsk.sectors_per_table = vdsk.grain_table_size * vdsk.sectors_per_grain;
vdsk.directory_size = L1_SIZE;
if (read_l1dir(fd, header.l1dir_offset, L1_SIZE))
return -1;
disk_limit = header.disk_sectors << SECTOR_BITS;
return fd;
}
static int open_vmdk(const char *filename)
{
int fd = open(filename, O_RDONLY | O_LARGEFILE);
if (fd == -1) {
perror(filename);
return -1;
}
char magic[4];
if (read(fd, &magic, sizeof(magic)) != sizeof(magic)) {
perror("read from disk");
return -1;
}
if (!memcmp(magic, "KDMV", sizeof(magic))) {
open_vmdk4(fd);
} else if (!memcmp(magic, "COWD", sizeof(magic))) {
open_vmdk3(fd);
} else {
fprintf(stderr, "%s is not a VMware virtual disk image\n", filename);
return -1;
}
cached_l2dir = -1;
return fd;
}
static void help(void)
{
printf("vmdk2raw\n"
"usage: vmdk2raw vmware_image output_image\n"
"\n"
"vmware_image a vmware cow image\n"
"output_image the created disk image\n"
);
exit(1);
}
#define BUF_SIZE 0x10000
static void copy_disk(in_fd, out_fd)
{
char buf[BUF_SIZE];
off64_t i = 0;
int ret;
while (i < disk_limit) {
ret = copy_virtual(&vdsk, in_fd, out_fd, i, buf, sizeof(buf));
if (ret < 0) {
fprintf(stderr, "copying failed\n");
exit(-1);
}
i += ret;
}
}
int main(int argc, char **argv)
{
int out_fd, in_fd;
if (argc < 3)
help();
in_fd = open_vmdk(argv[1]);
if (in_fd < 0) {
return -1;
}
out_fd = open(argv[2], O_WRONLY | O_LARGEFILE | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
if (out_fd < 0) {
perror(argv[2]);
return -1;
}
copy_disk(in_fd, out_fd);
close(out_fd);
return 0;
}