diff options
author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-08-01 22:00:34 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-08-01 22:00:34 +0000 |
commit | a3fb0cf9072c4aa89776526592b359b7caea1bb9 (patch) | |
tree | 612778ecd7aa4395b53699b442f971e9db0af17a | |
parent | ea2384d36e1e5f6dfd44b748d290762181c38350 (diff) |
removed unneeded tools
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1038 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r-- | cow.h | 13 | ||||
-rw-r--r-- | qemu-mkcow.c | 146 | ||||
-rw-r--r-- | vmdk.h | 72 | ||||
-rw-r--r-- | vmdk2raw.c | 261 |
4 files changed, 0 insertions, 492 deletions
diff --git a/cow.h b/cow.h deleted file mode 100644 index 5b5f497ed3..0000000000 --- a/cow.h +++ /dev/null @@ -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; -}; - diff --git a/qemu-mkcow.c b/qemu-mkcow.c deleted file mode 100644 index ee41ec8a14..0000000000 --- a/qemu-mkcow.c +++ /dev/null @@ -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; -} diff --git a/vmdk.h b/vmdk.h deleted file mode 100644 index dbb352d497..0000000000 --- a/vmdk.h +++ /dev/null @@ -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]; -}; diff --git a/vmdk2raw.c b/vmdk2raw.c deleted file mode 100644 index b2454c2d5c..0000000000 --- a/vmdk2raw.c +++ /dev/null @@ -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; -} |