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1 | ea2384d3 | bellard | /*
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2 | fb43f4dd | bellard | * QEMU disk image utility
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3 | 5fafdf24 | ths | *
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4 | 68d0f70e | bellard | * Copyright (c) 2003-2008 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | ea2384d3 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | ea2384d3 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | ea2384d3 | bellard | * in the Software without restriction, including without limitation the rights
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9 | ea2384d3 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | ea2384d3 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | ea2384d3 | bellard | * furnished to do so, subject to the following conditions:
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12 | ea2384d3 | bellard | *
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13 | ea2384d3 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | ea2384d3 | bellard | * all copies or substantial portions of the Software.
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15 | ea2384d3 | bellard | *
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16 | ea2384d3 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | ea2384d3 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | ea2384d3 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | ea2384d3 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | ea2384d3 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | ea2384d3 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | ea2384d3 | bellard | * THE SOFTWARE.
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23 | ea2384d3 | bellard | */
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24 | faf07963 | pbrook | #include "qemu-common.h" |
25 | f7b4a940 | aliguori | #include "osdep.h" |
26 | ec36ba14 | ths | #include "block_int.h" |
27 | 9230eaf6 | aliguori | #include <stdio.h> |
28 | ea2384d3 | bellard | |
29 | e8445331 | bellard | #ifdef _WIN32
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30 | e8445331 | bellard | #include <windows.h> |
31 | e8445331 | bellard | #endif
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32 | e8445331 | bellard | |
33 | 137519ce | aurel32 | /* Default to cache=writeback as data integrity is not important for qemu-tcg. */
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34 | 137519ce | aurel32 | #define BRDV_O_FLAGS BDRV_O_CACHE_WB
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35 | 137519ce | aurel32 | |
36 | a5e50b26 | malc | static void QEMU_NORETURN error(const char *fmt, ...) |
37 | ea2384d3 | bellard | { |
38 | ea2384d3 | bellard | va_list ap; |
39 | ea2384d3 | bellard | va_start(ap, fmt); |
40 | 57d1a2b6 | bellard | fprintf(stderr, "qemu-img: ");
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41 | ea2384d3 | bellard | vfprintf(stderr, fmt, ap); |
42 | ea2384d3 | bellard | fprintf(stderr, "\n");
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43 | ea2384d3 | bellard | exit(1);
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44 | ea2384d3 | bellard | va_end(ap); |
45 | ea2384d3 | bellard | } |
46 | ea2384d3 | bellard | |
47 | ea2384d3 | bellard | static void format_print(void *opaque, const char *name) |
48 | ea2384d3 | bellard | { |
49 | ea2384d3 | bellard | printf(" %s", name);
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50 | ea2384d3 | bellard | } |
51 | ea2384d3 | bellard | |
52 | d2c639d6 | blueswir1 | /* Please keep in synch with qemu-img.texi */
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53 | 3f379ab1 | pbrook | static void help(void) |
54 | ea2384d3 | bellard | { |
55 | 68d0f70e | bellard | printf("qemu-img version " QEMU_VERSION ", Copyright (c) 2004-2008 Fabrice Bellard\n" |
56 | 57d1a2b6 | bellard | "usage: qemu-img command [command options]\n"
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57 | ea2384d3 | bellard | "QEMU disk image utility\n"
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58 | ea2384d3 | bellard | "\n"
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59 | ea2384d3 | bellard | "Command syntax:\n"
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60 | 1585969c | aliguori | " check [-f fmt] filename\n"
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61 | 9230eaf6 | aliguori | " create [-e] [-6] [-F fmt] [-b base_image] [-f fmt] filename [size]\n"
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62 | ea2384d3 | bellard | " commit [-f fmt] filename\n"
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63 | f58c7b35 | ths | " convert [-c] [-e] [-6] [-f fmt] [-O output_fmt] [-B output_base_image] filename [filename2 [...]] output_filename\n"
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64 | ea2384d3 | bellard | " info [-f fmt] filename\n"
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65 | d2c639d6 | blueswir1 | " snapshot [-l | -a snapshot | -c snapshot | -d snapshot] filename\n"
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66 | ea2384d3 | bellard | "\n"
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67 | ea2384d3 | bellard | "Command parameters:\n"
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68 | ea2384d3 | bellard | " 'filename' is a disk image filename\n"
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69 | ea2384d3 | bellard | " 'base_image' is the read-only disk image which is used as base for a copy on\n"
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70 | ea2384d3 | bellard | " write image; the copy on write image only stores the modified data\n"
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71 | f58c7b35 | ths | " 'output_base_image' forces the output image to be created as a copy on write\n"
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72 | f58c7b35 | ths | " image of the specified base image; 'output_base_image' should have the same\n"
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73 | f58c7b35 | ths | " content as the input's base image, however the path, image format, etc may\n"
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74 | f58c7b35 | ths | " differ\n"
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75 | ea2384d3 | bellard | " 'fmt' is the disk image format. It is guessed automatically in most cases\n"
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76 | d2c639d6 | blueswir1 | " 'size' is the disk image size in kilobytes. Optional suffixes\n"
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77 | 2fbc4095 | aurel32 | " 'M' (megabyte, 1024 * 1024) and 'G' (gigabyte, 1024 * 1024 * 1024) are\n"
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78 | 2fbc4095 | aurel32 | " supported any 'k' or 'K' is ignored\n"
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79 | ea2384d3 | bellard | " 'output_filename' is the destination disk image filename\n"
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80 | ea2384d3 | bellard | " 'output_fmt' is the destination format\n"
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81 | ea2384d3 | bellard | " '-c' indicates that target image must be compressed (qcow format only)\n"
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82 | ea2384d3 | bellard | " '-e' indicates that the target image must be encrypted (qcow format only)\n"
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83 | ec36ba14 | ths | " '-6' indicates that the target image must use compatibility level 6 (vmdk format only)\n"
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84 | d2c639d6 | blueswir1 | " '-h' with or without a command shows this help and lists the supported formats\n"
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85 | f7b4a940 | aliguori | "\n"
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86 | d2c639d6 | blueswir1 | "Parameters to snapshot subcommand:\n"
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87 | d2c639d6 | blueswir1 | " 'snapshot' is the name of the snapshot to create, apply or delete\n"
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88 | d2c639d6 | blueswir1 | " '-a' applies a snapshot (revert disk to saved state)\n"
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89 | d2c639d6 | blueswir1 | " '-c' creates a snapshot\n"
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90 | d2c639d6 | blueswir1 | " '-d' deletes a snapshot\n"
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91 | d2c639d6 | blueswir1 | " '-l' lists all snapshots in the given image\n"
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92 | ea2384d3 | bellard | ); |
93 | d2c639d6 | blueswir1 | printf("\nSupported formats:");
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94 | ea2384d3 | bellard | bdrv_iterate_format(format_print, NULL);
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95 | ea2384d3 | bellard | printf("\n");
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96 | ea2384d3 | bellard | exit(1);
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97 | ea2384d3 | bellard | } |
98 | ea2384d3 | bellard | |
99 | ea2384d3 | bellard | #if defined(WIN32)
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100 | ea2384d3 | bellard | /* XXX: put correct support for win32 */
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101 | ea2384d3 | bellard | static int read_password(char *buf, int buf_size) |
102 | ea2384d3 | bellard | { |
103 | ea2384d3 | bellard | int c, i;
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104 | ea2384d3 | bellard | printf("Password: ");
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105 | ea2384d3 | bellard | fflush(stdout); |
106 | ea2384d3 | bellard | i = 0;
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107 | ea2384d3 | bellard | for(;;) {
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108 | ea2384d3 | bellard | c = getchar(); |
109 | ea2384d3 | bellard | if (c == '\n') |
110 | ea2384d3 | bellard | break;
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111 | ea2384d3 | bellard | if (i < (buf_size - 1)) |
112 | ea2384d3 | bellard | buf[i++] = c; |
113 | ea2384d3 | bellard | } |
114 | ea2384d3 | bellard | buf[i] = '\0';
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115 | ea2384d3 | bellard | return 0; |
116 | ea2384d3 | bellard | } |
117 | ea2384d3 | bellard | |
118 | ea2384d3 | bellard | #else
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119 | ea2384d3 | bellard | |
120 | ea2384d3 | bellard | #include <termios.h> |
121 | ea2384d3 | bellard | |
122 | ea2384d3 | bellard | static struct termios oldtty; |
123 | ea2384d3 | bellard | |
124 | ea2384d3 | bellard | static void term_exit(void) |
125 | ea2384d3 | bellard | { |
126 | ea2384d3 | bellard | tcsetattr (0, TCSANOW, &oldtty);
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127 | ea2384d3 | bellard | } |
128 | ea2384d3 | bellard | |
129 | ea2384d3 | bellard | static void term_init(void) |
130 | ea2384d3 | bellard | { |
131 | ea2384d3 | bellard | struct termios tty;
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132 | ea2384d3 | bellard | |
133 | ea2384d3 | bellard | tcgetattr (0, &tty);
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134 | ea2384d3 | bellard | oldtty = tty; |
135 | ea2384d3 | bellard | |
136 | ea2384d3 | bellard | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
137 | ea2384d3 | bellard | |INLCR|IGNCR|ICRNL|IXON); |
138 | ea2384d3 | bellard | tty.c_oflag |= OPOST; |
139 | ea2384d3 | bellard | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
140 | ea2384d3 | bellard | tty.c_cflag &= ~(CSIZE|PARENB); |
141 | ea2384d3 | bellard | tty.c_cflag |= CS8; |
142 | ea2384d3 | bellard | tty.c_cc[VMIN] = 1;
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143 | ea2384d3 | bellard | tty.c_cc[VTIME] = 0;
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144 | 3b46e624 | ths | |
145 | ea2384d3 | bellard | tcsetattr (0, TCSANOW, &tty);
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146 | ea2384d3 | bellard | |
147 | ea2384d3 | bellard | atexit(term_exit); |
148 | ea2384d3 | bellard | } |
149 | ea2384d3 | bellard | |
150 | 3f379ab1 | pbrook | static int read_password(char *buf, int buf_size) |
151 | ea2384d3 | bellard | { |
152 | ea2384d3 | bellard | uint8_t ch; |
153 | ea2384d3 | bellard | int i, ret;
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154 | ea2384d3 | bellard | |
155 | ea2384d3 | bellard | printf("password: ");
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156 | ea2384d3 | bellard | fflush(stdout); |
157 | ea2384d3 | bellard | term_init(); |
158 | ea2384d3 | bellard | i = 0;
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159 | ea2384d3 | bellard | for(;;) {
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160 | ea2384d3 | bellard | ret = read(0, &ch, 1); |
161 | ea2384d3 | bellard | if (ret == -1) { |
162 | ea2384d3 | bellard | if (errno == EAGAIN || errno == EINTR) {
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163 | ea2384d3 | bellard | continue;
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164 | ea2384d3 | bellard | } else {
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165 | ea2384d3 | bellard | ret = -1;
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166 | ea2384d3 | bellard | break;
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167 | ea2384d3 | bellard | } |
168 | ea2384d3 | bellard | } else if (ret == 0) { |
169 | ea2384d3 | bellard | ret = -1;
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170 | ea2384d3 | bellard | break;
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171 | ea2384d3 | bellard | } else {
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172 | ea2384d3 | bellard | if (ch == '\r') { |
173 | ea2384d3 | bellard | ret = 0;
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174 | ea2384d3 | bellard | break;
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175 | ea2384d3 | bellard | } |
176 | ea2384d3 | bellard | if (i < (buf_size - 1)) |
177 | ea2384d3 | bellard | buf[i++] = ch; |
178 | ea2384d3 | bellard | } |
179 | ea2384d3 | bellard | } |
180 | ea2384d3 | bellard | term_exit(); |
181 | ea2384d3 | bellard | buf[i] = '\0';
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182 | ea2384d3 | bellard | printf("\n");
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183 | ea2384d3 | bellard | return ret;
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184 | ea2384d3 | bellard | } |
185 | ea2384d3 | bellard | #endif
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186 | ea2384d3 | bellard | |
187 | 75c23805 | bellard | static BlockDriverState *bdrv_new_open(const char *filename, |
188 | 75c23805 | bellard | const char *fmt) |
189 | 75c23805 | bellard | { |
190 | 75c23805 | bellard | BlockDriverState *bs; |
191 | 75c23805 | bellard | BlockDriver *drv; |
192 | 75c23805 | bellard | char password[256]; |
193 | 75c23805 | bellard | |
194 | 75c23805 | bellard | bs = bdrv_new("");
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195 | 75c23805 | bellard | if (!bs)
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196 | 75c23805 | bellard | error("Not enough memory");
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197 | 75c23805 | bellard | if (fmt) {
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198 | 75c23805 | bellard | drv = bdrv_find_format(fmt); |
199 | 75c23805 | bellard | if (!drv)
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200 | 75c23805 | bellard | error("Unknown file format '%s'", fmt);
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201 | 75c23805 | bellard | } else {
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202 | 75c23805 | bellard | drv = NULL;
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203 | 75c23805 | bellard | } |
204 | 137519ce | aurel32 | if (bdrv_open2(bs, filename, BRDV_O_FLAGS, drv) < 0) { |
205 | 75c23805 | bellard | error("Could not open '%s'", filename);
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206 | 75c23805 | bellard | } |
207 | 75c23805 | bellard | if (bdrv_is_encrypted(bs)) {
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208 | 75c23805 | bellard | printf("Disk image '%s' is encrypted.\n", filename);
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209 | 75c23805 | bellard | if (read_password(password, sizeof(password)) < 0) |
210 | 75c23805 | bellard | error("No password given");
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211 | 75c23805 | bellard | if (bdrv_set_key(bs, password) < 0) |
212 | 75c23805 | bellard | error("invalid password");
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213 | 75c23805 | bellard | } |
214 | 75c23805 | bellard | return bs;
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215 | 75c23805 | bellard | } |
216 | 75c23805 | bellard | |
217 | ea2384d3 | bellard | static int img_create(int argc, char **argv) |
218 | ea2384d3 | bellard | { |
219 | ec36ba14 | ths | int c, ret, flags;
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220 | ea2384d3 | bellard | const char *fmt = "raw"; |
221 | 9230eaf6 | aliguori | const char *base_fmt = NULL; |
222 | ea2384d3 | bellard | const char *filename; |
223 | ea2384d3 | bellard | const char *base_filename = NULL; |
224 | 96b8f136 | ths | uint64_t size; |
225 | 24501489 | aurel32 | double sizef;
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226 | ea2384d3 | bellard | const char *p; |
227 | ea2384d3 | bellard | BlockDriver *drv; |
228 | 3b46e624 | ths | |
229 | ec36ba14 | ths | flags = 0;
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230 | ea2384d3 | bellard | for(;;) {
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231 | 9230eaf6 | aliguori | c = getopt(argc, argv, "F:b:f:he6");
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232 | ea2384d3 | bellard | if (c == -1) |
233 | ea2384d3 | bellard | break;
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234 | ea2384d3 | bellard | switch(c) {
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235 | ea2384d3 | bellard | case 'h': |
236 | ea2384d3 | bellard | help(); |
237 | ea2384d3 | bellard | break;
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238 | 9230eaf6 | aliguori | case 'F': |
239 | 9230eaf6 | aliguori | base_fmt = optarg; |
240 | 9230eaf6 | aliguori | break;
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241 | ea2384d3 | bellard | case 'b': |
242 | ea2384d3 | bellard | base_filename = optarg; |
243 | ea2384d3 | bellard | break;
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244 | ea2384d3 | bellard | case 'f': |
245 | ea2384d3 | bellard | fmt = optarg; |
246 | ea2384d3 | bellard | break;
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247 | ea2384d3 | bellard | case 'e': |
248 | ec36ba14 | ths | flags |= BLOCK_FLAG_ENCRYPT; |
249 | ea2384d3 | bellard | break;
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250 | d8871c5a | ths | case '6': |
251 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPAT6; |
252 | d8871c5a | ths | break;
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253 | ea2384d3 | bellard | } |
254 | ea2384d3 | bellard | } |
255 | 5fafdf24 | ths | if (optind >= argc)
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256 | ea2384d3 | bellard | help(); |
257 | ea2384d3 | bellard | filename = argv[optind++]; |
258 | ea2384d3 | bellard | size = 0;
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259 | 75c23805 | bellard | if (base_filename) {
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260 | e94f3a60 | aliguori | BlockDriverState *bs; |
261 | 9230eaf6 | aliguori | BlockDriver *base_drv = NULL;
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262 | 9230eaf6 | aliguori | |
263 | 9230eaf6 | aliguori | if (base_fmt) {
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264 | 9230eaf6 | aliguori | base_drv = bdrv_find_format(base_fmt); |
265 | 9230eaf6 | aliguori | if (base_drv == NULL) |
266 | 9230eaf6 | aliguori | error("Unknown basefile format '%s'", base_fmt);
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267 | 9230eaf6 | aliguori | } |
268 | 9230eaf6 | aliguori | |
269 | 9230eaf6 | aliguori | bs = bdrv_new_open(base_filename, base_fmt); |
270 | 75c23805 | bellard | bdrv_get_geometry(bs, &size); |
271 | 75c23805 | bellard | size *= 512;
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272 | 75c23805 | bellard | bdrv_delete(bs); |
273 | 75c23805 | bellard | } else {
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274 | ea2384d3 | bellard | if (optind >= argc)
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275 | ea2384d3 | bellard | help(); |
276 | ea2384d3 | bellard | p = argv[optind]; |
277 | 24501489 | aurel32 | sizef = strtod(p, (char **)&p);
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278 | ea2384d3 | bellard | if (*p == 'M') { |
279 | 24501489 | aurel32 | size = (uint64_t)(sizef * 1024 * 1024); |
280 | ea2384d3 | bellard | } else if (*p == 'G') { |
281 | 24501489 | aurel32 | size = (uint64_t)(sizef * 1024 * 1024 * 1024); |
282 | ea2384d3 | bellard | } else if (*p == 'k' || *p == 'K' || *p == '\0') { |
283 | 24501489 | aurel32 | size = (uint64_t)(sizef * 1024);
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284 | ea2384d3 | bellard | } else {
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285 | ea2384d3 | bellard | help(); |
286 | ea2384d3 | bellard | } |
287 | ea2384d3 | bellard | } |
288 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
289 | ea2384d3 | bellard | if (!drv)
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290 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
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291 | 0cfec834 | ths | printf("Formatting '%s', fmt=%s",
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292 | ea2384d3 | bellard | filename, fmt); |
293 | ec36ba14 | ths | if (flags & BLOCK_FLAG_ENCRYPT)
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294 | ea2384d3 | bellard | printf(", encrypted");
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295 | ec36ba14 | ths | if (flags & BLOCK_FLAG_COMPAT6)
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296 | ec36ba14 | ths | printf(", compatibility level=6");
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297 | 75c23805 | bellard | if (base_filename) {
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298 | 75c23805 | bellard | printf(", backing_file=%s",
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299 | ea2384d3 | bellard | base_filename); |
300 | 9230eaf6 | aliguori | if (base_fmt)
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301 | 9230eaf6 | aliguori | printf(", backing_fmt=%s",
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302 | 9230eaf6 | aliguori | base_fmt); |
303 | 75c23805 | bellard | } |
304 | 96b8f136 | ths | printf(", size=%" PRIu64 " kB\n", size / 1024); |
305 | 9230eaf6 | aliguori | ret = bdrv_create2(drv, filename, size / 512, base_filename, base_fmt, flags);
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306 | ea2384d3 | bellard | if (ret < 0) { |
307 | ea2384d3 | bellard | if (ret == -ENOTSUP) {
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308 | 3c56521b | bellard | error("Formatting or formatting option not supported for file format '%s'", fmt);
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309 | 6e9ea0c0 | aurel32 | } else if (ret == -EFBIG) { |
310 | 6e9ea0c0 | aurel32 | error("The image size is too large for file format '%s'", fmt);
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311 | ea2384d3 | bellard | } else {
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312 | ea2384d3 | bellard | error("Error while formatting");
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313 | ea2384d3 | bellard | } |
314 | ea2384d3 | bellard | } |
315 | ea2384d3 | bellard | return 0; |
316 | ea2384d3 | bellard | } |
317 | ea2384d3 | bellard | |
318 | 1585969c | aliguori | static int img_check(int argc, char **argv) |
319 | 1585969c | aliguori | { |
320 | 1585969c | aliguori | int c, ret;
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321 | 1585969c | aliguori | const char *filename, *fmt; |
322 | 1585969c | aliguori | BlockDriver *drv; |
323 | 1585969c | aliguori | BlockDriverState *bs; |
324 | 1585969c | aliguori | |
325 | 1585969c | aliguori | fmt = NULL;
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326 | 1585969c | aliguori | for(;;) {
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327 | 1585969c | aliguori | c = getopt(argc, argv, "f:h");
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328 | 1585969c | aliguori | if (c == -1) |
329 | 1585969c | aliguori | break;
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330 | 1585969c | aliguori | switch(c) {
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331 | 1585969c | aliguori | case 'h': |
332 | 1585969c | aliguori | help(); |
333 | 1585969c | aliguori | break;
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334 | 1585969c | aliguori | case 'f': |
335 | 1585969c | aliguori | fmt = optarg; |
336 | 1585969c | aliguori | break;
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337 | 1585969c | aliguori | } |
338 | 1585969c | aliguori | } |
339 | 1585969c | aliguori | if (optind >= argc)
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340 | 1585969c | aliguori | help(); |
341 | 1585969c | aliguori | filename = argv[optind++]; |
342 | 1585969c | aliguori | |
343 | 1585969c | aliguori | bs = bdrv_new("");
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344 | 1585969c | aliguori | if (!bs)
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345 | 1585969c | aliguori | error("Not enough memory");
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346 | 1585969c | aliguori | if (fmt) {
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347 | 1585969c | aliguori | drv = bdrv_find_format(fmt); |
348 | 1585969c | aliguori | if (!drv)
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349 | 1585969c | aliguori | error("Unknown file format '%s'", fmt);
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350 | 1585969c | aliguori | } else {
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351 | 1585969c | aliguori | drv = NULL;
|
352 | 1585969c | aliguori | } |
353 | 1585969c | aliguori | if (bdrv_open2(bs, filename, BRDV_O_FLAGS, drv) < 0) { |
354 | 1585969c | aliguori | error("Could not open '%s'", filename);
|
355 | 1585969c | aliguori | } |
356 | 1585969c | aliguori | ret = bdrv_check(bs); |
357 | 1585969c | aliguori | switch(ret) {
|
358 | 1585969c | aliguori | case 0: |
359 | 1585969c | aliguori | printf("No errors were found on the image.\n");
|
360 | 1585969c | aliguori | break;
|
361 | 1585969c | aliguori | case -ENOTSUP:
|
362 | 1585969c | aliguori | error("This image format does not support checks");
|
363 | 1585969c | aliguori | break;
|
364 | 1585969c | aliguori | default:
|
365 | 1585969c | aliguori | if (ret < 0) { |
366 | 1585969c | aliguori | error("An error occurred during the check");
|
367 | 1585969c | aliguori | } else {
|
368 | 1585969c | aliguori | printf("%d errors were found on the image.\n", ret);
|
369 | 1585969c | aliguori | } |
370 | 1585969c | aliguori | break;
|
371 | 1585969c | aliguori | } |
372 | 1585969c | aliguori | |
373 | 1585969c | aliguori | bdrv_delete(bs); |
374 | 1585969c | aliguori | return 0; |
375 | 1585969c | aliguori | } |
376 | 1585969c | aliguori | |
377 | ea2384d3 | bellard | static int img_commit(int argc, char **argv) |
378 | ea2384d3 | bellard | { |
379 | ea2384d3 | bellard | int c, ret;
|
380 | ea2384d3 | bellard | const char *filename, *fmt; |
381 | ea2384d3 | bellard | BlockDriver *drv; |
382 | ea2384d3 | bellard | BlockDriverState *bs; |
383 | ea2384d3 | bellard | |
384 | ea2384d3 | bellard | fmt = NULL;
|
385 | ea2384d3 | bellard | for(;;) {
|
386 | ea2384d3 | bellard | c = getopt(argc, argv, "f:h");
|
387 | ea2384d3 | bellard | if (c == -1) |
388 | ea2384d3 | bellard | break;
|
389 | ea2384d3 | bellard | switch(c) {
|
390 | ea2384d3 | bellard | case 'h': |
391 | ea2384d3 | bellard | help(); |
392 | ea2384d3 | bellard | break;
|
393 | ea2384d3 | bellard | case 'f': |
394 | ea2384d3 | bellard | fmt = optarg; |
395 | ea2384d3 | bellard | break;
|
396 | ea2384d3 | bellard | } |
397 | ea2384d3 | bellard | } |
398 | 5fafdf24 | ths | if (optind >= argc)
|
399 | ea2384d3 | bellard | help(); |
400 | ea2384d3 | bellard | filename = argv[optind++]; |
401 | ea2384d3 | bellard | |
402 | ea2384d3 | bellard | bs = bdrv_new("");
|
403 | ea2384d3 | bellard | if (!bs)
|
404 | ea2384d3 | bellard | error("Not enough memory");
|
405 | ea2384d3 | bellard | if (fmt) {
|
406 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
407 | ea2384d3 | bellard | if (!drv)
|
408 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
|
409 | ea2384d3 | bellard | } else {
|
410 | ea2384d3 | bellard | drv = NULL;
|
411 | ea2384d3 | bellard | } |
412 | 137519ce | aurel32 | if (bdrv_open2(bs, filename, BRDV_O_FLAGS, drv) < 0) { |
413 | ea2384d3 | bellard | error("Could not open '%s'", filename);
|
414 | ea2384d3 | bellard | } |
415 | ea2384d3 | bellard | ret = bdrv_commit(bs); |
416 | ea2384d3 | bellard | switch(ret) {
|
417 | ea2384d3 | bellard | case 0: |
418 | ea2384d3 | bellard | printf("Image committed.\n");
|
419 | ea2384d3 | bellard | break;
|
420 | ea2384d3 | bellard | case -ENOENT:
|
421 | ea2384d3 | bellard | error("No disk inserted");
|
422 | ea2384d3 | bellard | break;
|
423 | ea2384d3 | bellard | case -EACCES:
|
424 | ea2384d3 | bellard | error("Image is read-only");
|
425 | ea2384d3 | bellard | break;
|
426 | ea2384d3 | bellard | case -ENOTSUP:
|
427 | ea2384d3 | bellard | error("Image is already committed");
|
428 | ea2384d3 | bellard | break;
|
429 | ea2384d3 | bellard | default:
|
430 | ea2384d3 | bellard | error("Error while committing image");
|
431 | ea2384d3 | bellard | break;
|
432 | ea2384d3 | bellard | } |
433 | ea2384d3 | bellard | |
434 | ea2384d3 | bellard | bdrv_delete(bs); |
435 | ea2384d3 | bellard | return 0; |
436 | ea2384d3 | bellard | } |
437 | ea2384d3 | bellard | |
438 | ea2384d3 | bellard | static int is_not_zero(const uint8_t *sector, int len) |
439 | ea2384d3 | bellard | { |
440 | ea2384d3 | bellard | int i;
|
441 | ea2384d3 | bellard | len >>= 2;
|
442 | ea2384d3 | bellard | for(i = 0;i < len; i++) { |
443 | ea2384d3 | bellard | if (((uint32_t *)sector)[i] != 0) |
444 | ea2384d3 | bellard | return 1; |
445 | ea2384d3 | bellard | } |
446 | ea2384d3 | bellard | return 0; |
447 | ea2384d3 | bellard | } |
448 | ea2384d3 | bellard | |
449 | f58c7b35 | ths | /*
|
450 | f58c7b35 | ths | * Returns true iff the first sector pointed to by 'buf' contains at least
|
451 | f58c7b35 | ths | * a non-NUL byte.
|
452 | f58c7b35 | ths | *
|
453 | f58c7b35 | ths | * 'pnum' is set to the number of sectors (including and immediately following
|
454 | f58c7b35 | ths | * the first one) that are known to be in the same allocated/unallocated state.
|
455 | f58c7b35 | ths | */
|
456 | ea2384d3 | bellard | static int is_allocated_sectors(const uint8_t *buf, int n, int *pnum) |
457 | ea2384d3 | bellard | { |
458 | ea2384d3 | bellard | int v, i;
|
459 | ea2384d3 | bellard | |
460 | ea2384d3 | bellard | if (n <= 0) { |
461 | ea2384d3 | bellard | *pnum = 0;
|
462 | ea2384d3 | bellard | return 0; |
463 | ea2384d3 | bellard | } |
464 | ea2384d3 | bellard | v = is_not_zero(buf, 512);
|
465 | ea2384d3 | bellard | for(i = 1; i < n; i++) { |
466 | ea2384d3 | bellard | buf += 512;
|
467 | ea2384d3 | bellard | if (v != is_not_zero(buf, 512)) |
468 | ea2384d3 | bellard | break;
|
469 | ea2384d3 | bellard | } |
470 | ea2384d3 | bellard | *pnum = i; |
471 | ea2384d3 | bellard | return v;
|
472 | ea2384d3 | bellard | } |
473 | ea2384d3 | bellard | |
474 | ea2384d3 | bellard | #define IO_BUF_SIZE 65536 |
475 | ea2384d3 | bellard | |
476 | ea2384d3 | bellard | static int img_convert(int argc, char **argv) |
477 | ea2384d3 | bellard | { |
478 | 926c2d23 | balrog | int c, ret, n, n1, bs_n, bs_i, flags, cluster_size, cluster_sectors;
|
479 | f58c7b35 | ths | const char *fmt, *out_fmt, *out_baseimg, *out_filename; |
480 | ea2384d3 | bellard | BlockDriver *drv; |
481 | 926c2d23 | balrog | BlockDriverState **bs, *out_bs; |
482 | 96b8f136 | ths | int64_t total_sectors, nb_sectors, sector_num, bs_offset; |
483 | 96b8f136 | ths | uint64_t bs_sectors; |
484 | ea2384d3 | bellard | uint8_t buf[IO_BUF_SIZE]; |
485 | ea2384d3 | bellard | const uint8_t *buf1;
|
486 | faea38e7 | bellard | BlockDriverInfo bdi; |
487 | ea2384d3 | bellard | |
488 | ea2384d3 | bellard | fmt = NULL;
|
489 | ea2384d3 | bellard | out_fmt = "raw";
|
490 | f58c7b35 | ths | out_baseimg = NULL;
|
491 | ec36ba14 | ths | flags = 0;
|
492 | ea2384d3 | bellard | for(;;) {
|
493 | f58c7b35 | ths | c = getopt(argc, argv, "f:O:B:hce6");
|
494 | ea2384d3 | bellard | if (c == -1) |
495 | ea2384d3 | bellard | break;
|
496 | ea2384d3 | bellard | switch(c) {
|
497 | ea2384d3 | bellard | case 'h': |
498 | ea2384d3 | bellard | help(); |
499 | ea2384d3 | bellard | break;
|
500 | ea2384d3 | bellard | case 'f': |
501 | ea2384d3 | bellard | fmt = optarg; |
502 | ea2384d3 | bellard | break;
|
503 | ea2384d3 | bellard | case 'O': |
504 | ea2384d3 | bellard | out_fmt = optarg; |
505 | ea2384d3 | bellard | break;
|
506 | f58c7b35 | ths | case 'B': |
507 | f58c7b35 | ths | out_baseimg = optarg; |
508 | f58c7b35 | ths | break;
|
509 | ea2384d3 | bellard | case 'c': |
510 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPRESS; |
511 | ea2384d3 | bellard | break;
|
512 | ea2384d3 | bellard | case 'e': |
513 | ec36ba14 | ths | flags |= BLOCK_FLAG_ENCRYPT; |
514 | ec36ba14 | ths | break;
|
515 | ec36ba14 | ths | case '6': |
516 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPAT6; |
517 | ea2384d3 | bellard | break;
|
518 | ea2384d3 | bellard | } |
519 | ea2384d3 | bellard | } |
520 | 3b46e624 | ths | |
521 | 926c2d23 | balrog | bs_n = argc - optind - 1;
|
522 | 926c2d23 | balrog | if (bs_n < 1) help(); |
523 | 926c2d23 | balrog | |
524 | 926c2d23 | balrog | out_filename = argv[argc - 1];
|
525 | f58c7b35 | ths | |
526 | f58c7b35 | ths | if (bs_n > 1 && out_baseimg) |
527 | f58c7b35 | ths | error("-B makes no sense when concatenating multiple input images");
|
528 | 926c2d23 | balrog | |
529 | 926c2d23 | balrog | bs = calloc(bs_n, sizeof(BlockDriverState *));
|
530 | 926c2d23 | balrog | if (!bs)
|
531 | 926c2d23 | balrog | error("Out of memory");
|
532 | 926c2d23 | balrog | |
533 | 926c2d23 | balrog | total_sectors = 0;
|
534 | 926c2d23 | balrog | for (bs_i = 0; bs_i < bs_n; bs_i++) { |
535 | 926c2d23 | balrog | bs[bs_i] = bdrv_new_open(argv[optind + bs_i], fmt); |
536 | 926c2d23 | balrog | if (!bs[bs_i])
|
537 | 926c2d23 | balrog | error("Could not open '%s'", argv[optind + bs_i]);
|
538 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
539 | 926c2d23 | balrog | total_sectors += bs_sectors; |
540 | 926c2d23 | balrog | } |
541 | ea2384d3 | bellard | |
542 | ea2384d3 | bellard | drv = bdrv_find_format(out_fmt); |
543 | ea2384d3 | bellard | if (!drv)
|
544 | d34dda5e | ths | error("Unknown file format '%s'", out_fmt);
|
545 | 5efa9d5a | Anthony Liguori | if (flags & BLOCK_FLAG_COMPRESS && strcmp(drv->format_name, "qcow") && strcmp(drv->format_name, "qcow2")) |
546 | ea2384d3 | bellard | error("Compression not supported for this file format");
|
547 | 5efa9d5a | Anthony Liguori | if (flags & BLOCK_FLAG_ENCRYPT && strcmp(drv->format_name, "qcow") && strcmp(drv->format_name, "qcow2")) |
548 | ea2384d3 | bellard | error("Encryption not supported for this file format");
|
549 | 5efa9d5a | Anthony Liguori | if (flags & BLOCK_FLAG_COMPAT6 && strcmp(drv->format_name, "vmdk")) |
550 | ec36ba14 | ths | error("Alternative compatibility level not supported for this file format");
|
551 | ec36ba14 | ths | if (flags & BLOCK_FLAG_ENCRYPT && flags & BLOCK_FLAG_COMPRESS)
|
552 | ea2384d3 | bellard | error("Compression and encryption not supported at the same time");
|
553 | 926c2d23 | balrog | |
554 | f58c7b35 | ths | ret = bdrv_create(drv, out_filename, total_sectors, out_baseimg, flags); |
555 | ea2384d3 | bellard | if (ret < 0) { |
556 | ea2384d3 | bellard | if (ret == -ENOTSUP) {
|
557 | 93c65b47 | aliguori | error("Formatting not supported for file format '%s'", out_fmt);
|
558 | 6e9ea0c0 | aurel32 | } else if (ret == -EFBIG) { |
559 | 6e9ea0c0 | aurel32 | error("The image size is too large for file format '%s'", out_fmt);
|
560 | ea2384d3 | bellard | } else {
|
561 | ea2384d3 | bellard | error("Error while formatting '%s'", out_filename);
|
562 | ea2384d3 | bellard | } |
563 | ea2384d3 | bellard | } |
564 | 3b46e624 | ths | |
565 | ea2384d3 | bellard | out_bs = bdrv_new_open(out_filename, out_fmt); |
566 | ea2384d3 | bellard | |
567 | 926c2d23 | balrog | bs_i = 0;
|
568 | 926c2d23 | balrog | bs_offset = 0;
|
569 | 926c2d23 | balrog | bdrv_get_geometry(bs[0], &bs_sectors);
|
570 | 926c2d23 | balrog | |
571 | 926c2d23 | balrog | if (flags & BLOCK_FLAG_COMPRESS) {
|
572 | faea38e7 | bellard | if (bdrv_get_info(out_bs, &bdi) < 0) |
573 | faea38e7 | bellard | error("could not get block driver info");
|
574 | faea38e7 | bellard | cluster_size = bdi.cluster_size; |
575 | ea2384d3 | bellard | if (cluster_size <= 0 || cluster_size > IO_BUF_SIZE) |
576 | ea2384d3 | bellard | error("invalid cluster size");
|
577 | ea2384d3 | bellard | cluster_sectors = cluster_size >> 9;
|
578 | ea2384d3 | bellard | sector_num = 0;
|
579 | ea2384d3 | bellard | for(;;) {
|
580 | 926c2d23 | balrog | int64_t bs_num; |
581 | 926c2d23 | balrog | int remainder;
|
582 | 926c2d23 | balrog | uint8_t *buf2; |
583 | 926c2d23 | balrog | |
584 | ea2384d3 | bellard | nb_sectors = total_sectors - sector_num; |
585 | ea2384d3 | bellard | if (nb_sectors <= 0) |
586 | ea2384d3 | bellard | break;
|
587 | ea2384d3 | bellard | if (nb_sectors >= cluster_sectors)
|
588 | ea2384d3 | bellard | n = cluster_sectors; |
589 | ea2384d3 | bellard | else
|
590 | ea2384d3 | bellard | n = nb_sectors; |
591 | 926c2d23 | balrog | |
592 | 926c2d23 | balrog | bs_num = sector_num - bs_offset; |
593 | 926c2d23 | balrog | assert (bs_num >= 0);
|
594 | 926c2d23 | balrog | remainder = n; |
595 | 926c2d23 | balrog | buf2 = buf; |
596 | 926c2d23 | balrog | while (remainder > 0) { |
597 | 926c2d23 | balrog | int nlow;
|
598 | 926c2d23 | balrog | while (bs_num == bs_sectors) {
|
599 | 926c2d23 | balrog | bs_i++; |
600 | 926c2d23 | balrog | assert (bs_i < bs_n); |
601 | 926c2d23 | balrog | bs_offset += bs_sectors; |
602 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
603 | 926c2d23 | balrog | bs_num = 0;
|
604 | 926c2d23 | balrog | /* printf("changing part: sector_num=%lld, "
|
605 | 926c2d23 | balrog | "bs_i=%d, bs_offset=%lld, bs_sectors=%lld\n",
|
606 | 926c2d23 | balrog | sector_num, bs_i, bs_offset, bs_sectors); */
|
607 | 926c2d23 | balrog | } |
608 | 926c2d23 | balrog | assert (bs_num < bs_sectors); |
609 | 926c2d23 | balrog | |
610 | 926c2d23 | balrog | nlow = (remainder > bs_sectors - bs_num) ? bs_sectors - bs_num : remainder; |
611 | 926c2d23 | balrog | |
612 | 926c2d23 | balrog | if (bdrv_read(bs[bs_i], bs_num, buf2, nlow) < 0) |
613 | 926c2d23 | balrog | error("error while reading");
|
614 | 926c2d23 | balrog | |
615 | 926c2d23 | balrog | buf2 += nlow * 512;
|
616 | 926c2d23 | balrog | bs_num += nlow; |
617 | 926c2d23 | balrog | |
618 | 926c2d23 | balrog | remainder -= nlow; |
619 | 926c2d23 | balrog | } |
620 | 926c2d23 | balrog | assert (remainder == 0);
|
621 | 926c2d23 | balrog | |
622 | ea2384d3 | bellard | if (n < cluster_sectors)
|
623 | ea2384d3 | bellard | memset(buf + n * 512, 0, cluster_size - n * 512); |
624 | ea2384d3 | bellard | if (is_not_zero(buf, cluster_size)) {
|
625 | 5fafdf24 | ths | if (bdrv_write_compressed(out_bs, sector_num, buf,
|
626 | faea38e7 | bellard | cluster_sectors) != 0)
|
627 | ec3757de | bellard | error("error while compressing sector %" PRId64,
|
628 | ec3757de | bellard | sector_num); |
629 | ea2384d3 | bellard | } |
630 | ea2384d3 | bellard | sector_num += n; |
631 | ea2384d3 | bellard | } |
632 | faea38e7 | bellard | /* signal EOF to align */
|
633 | faea38e7 | bellard | bdrv_write_compressed(out_bs, 0, NULL, 0); |
634 | ea2384d3 | bellard | } else {
|
635 | f58c7b35 | ths | sector_num = 0; // total number of sectors converted so far |
636 | ea2384d3 | bellard | for(;;) {
|
637 | ea2384d3 | bellard | nb_sectors = total_sectors - sector_num; |
638 | ea2384d3 | bellard | if (nb_sectors <= 0) |
639 | ea2384d3 | bellard | break;
|
640 | ea2384d3 | bellard | if (nb_sectors >= (IO_BUF_SIZE / 512)) |
641 | ea2384d3 | bellard | n = (IO_BUF_SIZE / 512);
|
642 | ea2384d3 | bellard | else
|
643 | ea2384d3 | bellard | n = nb_sectors; |
644 | 926c2d23 | balrog | |
645 | 926c2d23 | balrog | while (sector_num - bs_offset >= bs_sectors) {
|
646 | 926c2d23 | balrog | bs_i ++; |
647 | 926c2d23 | balrog | assert (bs_i < bs_n); |
648 | 926c2d23 | balrog | bs_offset += bs_sectors; |
649 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
650 | 926c2d23 | balrog | /* printf("changing part: sector_num=%lld, bs_i=%d, "
|
651 | 926c2d23 | balrog | "bs_offset=%lld, bs_sectors=%lld\n",
|
652 | 926c2d23 | balrog | sector_num, bs_i, bs_offset, bs_sectors); */
|
653 | 926c2d23 | balrog | } |
654 | 926c2d23 | balrog | |
655 | 926c2d23 | balrog | if (n > bs_offset + bs_sectors - sector_num)
|
656 | 926c2d23 | balrog | n = bs_offset + bs_sectors - sector_num; |
657 | 926c2d23 | balrog | |
658 | 5efa9d5a | Anthony Liguori | if (strcmp(drv->format_name, "host_device")) { |
659 | 93c65b47 | aliguori | if (!bdrv_is_allocated(bs[bs_i], sector_num - bs_offset,
|
660 | 93c65b47 | aliguori | n, &n1)) { |
661 | 93c65b47 | aliguori | sector_num += n1; |
662 | 93c65b47 | aliguori | continue;
|
663 | 93c65b47 | aliguori | } |
664 | 93c65b47 | aliguori | /* The next 'n1' sectors are allocated in the input image. Copy
|
665 | 93c65b47 | aliguori | only those as they may be followed by unallocated sectors. */
|
666 | 93c65b47 | aliguori | n = n1; |
667 | 93c65b47 | aliguori | } else {
|
668 | 93c65b47 | aliguori | n1 = n; |
669 | f58c7b35 | ths | } |
670 | f58c7b35 | ths | |
671 | 926c2d23 | balrog | if (bdrv_read(bs[bs_i], sector_num - bs_offset, buf, n) < 0) |
672 | ea2384d3 | bellard | error("error while reading");
|
673 | ea2384d3 | bellard | /* NOTE: at the same time we convert, we do not write zero
|
674 | ea2384d3 | bellard | sectors to have a chance to compress the image. Ideally, we
|
675 | ea2384d3 | bellard | should add a specific call to have the info to go faster */
|
676 | ea2384d3 | bellard | buf1 = buf; |
677 | ea2384d3 | bellard | while (n > 0) { |
678 | f58c7b35 | ths | /* If the output image is being created as a copy on write image,
|
679 | f58c7b35 | ths | copy all sectors even the ones containing only NUL bytes,
|
680 | 93c65b47 | aliguori | because they may differ from the sectors in the base image.
|
681 | 93c65b47 | aliguori | |
682 | 93c65b47 | aliguori | If the output is to a host device, we also write out
|
683 | 93c65b47 | aliguori | sectors that are entirely 0, since whatever data was
|
684 | 93c65b47 | aliguori | already there is garbage, not 0s. */
|
685 | 5efa9d5a | Anthony Liguori | if (strcmp(drv->format_name, "host_device") == 0 || out_baseimg || |
686 | 93c65b47 | aliguori | is_allocated_sectors(buf1, n, &n1)) { |
687 | 5fafdf24 | ths | if (bdrv_write(out_bs, sector_num, buf1, n1) < 0) |
688 | ea2384d3 | bellard | error("error while writing");
|
689 | ea2384d3 | bellard | } |
690 | ea2384d3 | bellard | sector_num += n1; |
691 | ea2384d3 | bellard | n -= n1; |
692 | ea2384d3 | bellard | buf1 += n1 * 512;
|
693 | ea2384d3 | bellard | } |
694 | ea2384d3 | bellard | } |
695 | ea2384d3 | bellard | } |
696 | ea2384d3 | bellard | bdrv_delete(out_bs); |
697 | 926c2d23 | balrog | for (bs_i = 0; bs_i < bs_n; bs_i++) |
698 | 926c2d23 | balrog | bdrv_delete(bs[bs_i]); |
699 | 926c2d23 | balrog | free(bs); |
700 | ea2384d3 | bellard | return 0; |
701 | ea2384d3 | bellard | } |
702 | ea2384d3 | bellard | |
703 | 57d1a2b6 | bellard | #ifdef _WIN32
|
704 | 57d1a2b6 | bellard | static int64_t get_allocated_file_size(const char *filename) |
705 | 57d1a2b6 | bellard | { |
706 | e8445331 | bellard | typedef DWORD (WINAPI * get_compressed_t)(const char *filename, DWORD *high); |
707 | e8445331 | bellard | get_compressed_t get_compressed; |
708 | 57d1a2b6 | bellard | struct _stati64 st;
|
709 | e8445331 | bellard | |
710 | e8445331 | bellard | /* WinNT support GetCompressedFileSize to determine allocate size */
|
711 | e8445331 | bellard | get_compressed = (get_compressed_t) GetProcAddress(GetModuleHandle("kernel32"), "GetCompressedFileSizeA"); |
712 | e8445331 | bellard | if (get_compressed) {
|
713 | e8445331 | bellard | DWORD high, low; |
714 | e8445331 | bellard | low = get_compressed(filename, &high); |
715 | e8445331 | bellard | if (low != 0xFFFFFFFFlu || GetLastError() == NO_ERROR) |
716 | e8445331 | bellard | return (((int64_t) high) << 32) + low; |
717 | e8445331 | bellard | } |
718 | e8445331 | bellard | |
719 | 5fafdf24 | ths | if (_stati64(filename, &st) < 0) |
720 | 57d1a2b6 | bellard | return -1; |
721 | 57d1a2b6 | bellard | return st.st_size;
|
722 | 57d1a2b6 | bellard | } |
723 | 57d1a2b6 | bellard | #else
|
724 | 57d1a2b6 | bellard | static int64_t get_allocated_file_size(const char *filename) |
725 | 57d1a2b6 | bellard | { |
726 | 57d1a2b6 | bellard | struct stat st;
|
727 | 5fafdf24 | ths | if (stat(filename, &st) < 0) |
728 | 57d1a2b6 | bellard | return -1; |
729 | 57d1a2b6 | bellard | return (int64_t)st.st_blocks * 512; |
730 | 57d1a2b6 | bellard | } |
731 | 57d1a2b6 | bellard | #endif
|
732 | 57d1a2b6 | bellard | |
733 | faea38e7 | bellard | static void dump_snapshots(BlockDriverState *bs) |
734 | faea38e7 | bellard | { |
735 | faea38e7 | bellard | QEMUSnapshotInfo *sn_tab, *sn; |
736 | faea38e7 | bellard | int nb_sns, i;
|
737 | faea38e7 | bellard | char buf[256]; |
738 | faea38e7 | bellard | |
739 | faea38e7 | bellard | nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
740 | faea38e7 | bellard | if (nb_sns <= 0) |
741 | faea38e7 | bellard | return;
|
742 | faea38e7 | bellard | printf("Snapshot list:\n");
|
743 | faea38e7 | bellard | printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); |
744 | faea38e7 | bellard | for(i = 0; i < nb_sns; i++) { |
745 | faea38e7 | bellard | sn = &sn_tab[i]; |
746 | faea38e7 | bellard | printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); |
747 | faea38e7 | bellard | } |
748 | faea38e7 | bellard | qemu_free(sn_tab); |
749 | faea38e7 | bellard | } |
750 | faea38e7 | bellard | |
751 | ea2384d3 | bellard | static int img_info(int argc, char **argv) |
752 | ea2384d3 | bellard | { |
753 | ea2384d3 | bellard | int c;
|
754 | ea2384d3 | bellard | const char *filename, *fmt; |
755 | ea2384d3 | bellard | BlockDriver *drv; |
756 | ea2384d3 | bellard | BlockDriverState *bs; |
757 | ea2384d3 | bellard | char fmt_name[128], size_buf[128], dsize_buf[128]; |
758 | 96b8f136 | ths | uint64_t total_sectors; |
759 | 96b8f136 | ths | int64_t allocated_size; |
760 | 93b6b2a3 | bellard | char backing_filename[1024]; |
761 | 93b6b2a3 | bellard | char backing_filename2[1024]; |
762 | faea38e7 | bellard | BlockDriverInfo bdi; |
763 | ea2384d3 | bellard | |
764 | ea2384d3 | bellard | fmt = NULL;
|
765 | ea2384d3 | bellard | for(;;) {
|
766 | ea2384d3 | bellard | c = getopt(argc, argv, "f:h");
|
767 | ea2384d3 | bellard | if (c == -1) |
768 | ea2384d3 | bellard | break;
|
769 | ea2384d3 | bellard | switch(c) {
|
770 | ea2384d3 | bellard | case 'h': |
771 | ea2384d3 | bellard | help(); |
772 | ea2384d3 | bellard | break;
|
773 | ea2384d3 | bellard | case 'f': |
774 | ea2384d3 | bellard | fmt = optarg; |
775 | ea2384d3 | bellard | break;
|
776 | ea2384d3 | bellard | } |
777 | ea2384d3 | bellard | } |
778 | 5fafdf24 | ths | if (optind >= argc)
|
779 | ea2384d3 | bellard | help(); |
780 | ea2384d3 | bellard | filename = argv[optind++]; |
781 | ea2384d3 | bellard | |
782 | ea2384d3 | bellard | bs = bdrv_new("");
|
783 | ea2384d3 | bellard | if (!bs)
|
784 | ea2384d3 | bellard | error("Not enough memory");
|
785 | ea2384d3 | bellard | if (fmt) {
|
786 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
787 | ea2384d3 | bellard | if (!drv)
|
788 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
|
789 | ea2384d3 | bellard | } else {
|
790 | ea2384d3 | bellard | drv = NULL;
|
791 | ea2384d3 | bellard | } |
792 | 137519ce | aurel32 | if (bdrv_open2(bs, filename, BRDV_O_FLAGS, drv) < 0) { |
793 | ea2384d3 | bellard | error("Could not open '%s'", filename);
|
794 | ea2384d3 | bellard | } |
795 | ea2384d3 | bellard | bdrv_get_format(bs, fmt_name, sizeof(fmt_name));
|
796 | ea2384d3 | bellard | bdrv_get_geometry(bs, &total_sectors); |
797 | ea2384d3 | bellard | get_human_readable_size(size_buf, sizeof(size_buf), total_sectors * 512); |
798 | 57d1a2b6 | bellard | allocated_size = get_allocated_file_size(filename); |
799 | 57d1a2b6 | bellard | if (allocated_size < 0) |
800 | a10ea30b | blueswir1 | snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); |
801 | de167e41 | bellard | else
|
802 | 5fafdf24 | ths | get_human_readable_size(dsize_buf, sizeof(dsize_buf),
|
803 | de167e41 | bellard | allocated_size); |
804 | ea2384d3 | bellard | printf("image: %s\n"
|
805 | ea2384d3 | bellard | "file format: %s\n"
|
806 | ec3757de | bellard | "virtual size: %s (%" PRId64 " bytes)\n" |
807 | ea2384d3 | bellard | "disk size: %s\n",
|
808 | 5fafdf24 | ths | filename, fmt_name, size_buf, |
809 | ec3757de | bellard | (total_sectors * 512),
|
810 | ea2384d3 | bellard | dsize_buf); |
811 | ea2384d3 | bellard | if (bdrv_is_encrypted(bs))
|
812 | ea2384d3 | bellard | printf("encrypted: yes\n");
|
813 | faea38e7 | bellard | if (bdrv_get_info(bs, &bdi) >= 0) { |
814 | 5fafdf24 | ths | if (bdi.cluster_size != 0) |
815 | faea38e7 | bellard | printf("cluster_size: %d\n", bdi.cluster_size);
|
816 | faea38e7 | bellard | } |
817 | 93b6b2a3 | bellard | bdrv_get_backing_filename(bs, backing_filename, sizeof(backing_filename));
|
818 | faea38e7 | bellard | if (backing_filename[0] != '\0') { |
819 | 93b6b2a3 | bellard | path_combine(backing_filename2, sizeof(backing_filename2),
|
820 | 93b6b2a3 | bellard | filename, backing_filename); |
821 | 5fafdf24 | ths | printf("backing file: %s (actual path: %s)\n",
|
822 | 93b6b2a3 | bellard | backing_filename, |
823 | 93b6b2a3 | bellard | backing_filename2); |
824 | faea38e7 | bellard | } |
825 | faea38e7 | bellard | dump_snapshots(bs); |
826 | ea2384d3 | bellard | bdrv_delete(bs); |
827 | ea2384d3 | bellard | return 0; |
828 | ea2384d3 | bellard | } |
829 | ea2384d3 | bellard | |
830 | f7b4a940 | aliguori | #define SNAPSHOT_LIST 1 |
831 | f7b4a940 | aliguori | #define SNAPSHOT_CREATE 2 |
832 | f7b4a940 | aliguori | #define SNAPSHOT_APPLY 3 |
833 | f7b4a940 | aliguori | #define SNAPSHOT_DELETE 4 |
834 | f7b4a940 | aliguori | |
835 | f7b4a940 | aliguori | static void img_snapshot(int argc, char **argv) |
836 | f7b4a940 | aliguori | { |
837 | f7b4a940 | aliguori | BlockDriverState *bs; |
838 | f7b4a940 | aliguori | QEMUSnapshotInfo sn; |
839 | f7b4a940 | aliguori | char *filename, *snapshot_name = NULL; |
840 | 40a4539e | aliguori | int c, ret;
|
841 | f7b4a940 | aliguori | int action = 0; |
842 | f7b4a940 | aliguori | qemu_timeval tv; |
843 | f7b4a940 | aliguori | |
844 | f7b4a940 | aliguori | /* Parse commandline parameters */
|
845 | f7b4a940 | aliguori | for(;;) {
|
846 | f7b4a940 | aliguori | c = getopt(argc, argv, "la:c:d:h");
|
847 | f7b4a940 | aliguori | if (c == -1) |
848 | f7b4a940 | aliguori | break;
|
849 | f7b4a940 | aliguori | switch(c) {
|
850 | f7b4a940 | aliguori | case 'h': |
851 | f7b4a940 | aliguori | help(); |
852 | f7b4a940 | aliguori | return;
|
853 | f7b4a940 | aliguori | case 'l': |
854 | f7b4a940 | aliguori | if (action) {
|
855 | f7b4a940 | aliguori | help(); |
856 | f7b4a940 | aliguori | return;
|
857 | f7b4a940 | aliguori | } |
858 | f7b4a940 | aliguori | action = SNAPSHOT_LIST; |
859 | f7b4a940 | aliguori | break;
|
860 | f7b4a940 | aliguori | case 'a': |
861 | f7b4a940 | aliguori | if (action) {
|
862 | f7b4a940 | aliguori | help(); |
863 | f7b4a940 | aliguori | return;
|
864 | f7b4a940 | aliguori | } |
865 | f7b4a940 | aliguori | action = SNAPSHOT_APPLY; |
866 | f7b4a940 | aliguori | snapshot_name = optarg; |
867 | f7b4a940 | aliguori | break;
|
868 | f7b4a940 | aliguori | case 'c': |
869 | f7b4a940 | aliguori | if (action) {
|
870 | f7b4a940 | aliguori | help(); |
871 | f7b4a940 | aliguori | return;
|
872 | f7b4a940 | aliguori | } |
873 | f7b4a940 | aliguori | action = SNAPSHOT_CREATE; |
874 | f7b4a940 | aliguori | snapshot_name = optarg; |
875 | f7b4a940 | aliguori | break;
|
876 | f7b4a940 | aliguori | case 'd': |
877 | f7b4a940 | aliguori | if (action) {
|
878 | f7b4a940 | aliguori | help(); |
879 | f7b4a940 | aliguori | return;
|
880 | f7b4a940 | aliguori | } |
881 | f7b4a940 | aliguori | action = SNAPSHOT_DELETE; |
882 | f7b4a940 | aliguori | snapshot_name = optarg; |
883 | f7b4a940 | aliguori | break;
|
884 | f7b4a940 | aliguori | } |
885 | f7b4a940 | aliguori | } |
886 | f7b4a940 | aliguori | |
887 | f7b4a940 | aliguori | if (optind >= argc)
|
888 | f7b4a940 | aliguori | help(); |
889 | f7b4a940 | aliguori | filename = argv[optind++]; |
890 | f7b4a940 | aliguori | |
891 | f7b4a940 | aliguori | /* Open the image */
|
892 | f7b4a940 | aliguori | bs = bdrv_new("");
|
893 | f7b4a940 | aliguori | if (!bs)
|
894 | f7b4a940 | aliguori | error("Not enough memory");
|
895 | f7b4a940 | aliguori | |
896 | f7b4a940 | aliguori | if (bdrv_open2(bs, filename, 0, NULL) < 0) { |
897 | f7b4a940 | aliguori | error("Could not open '%s'", filename);
|
898 | f7b4a940 | aliguori | } |
899 | f7b4a940 | aliguori | |
900 | f7b4a940 | aliguori | /* Perform the requested action */
|
901 | f7b4a940 | aliguori | switch(action) {
|
902 | f7b4a940 | aliguori | case SNAPSHOT_LIST:
|
903 | f7b4a940 | aliguori | dump_snapshots(bs); |
904 | f7b4a940 | aliguori | break;
|
905 | f7b4a940 | aliguori | |
906 | f7b4a940 | aliguori | case SNAPSHOT_CREATE:
|
907 | f7b4a940 | aliguori | memset(&sn, 0, sizeof(sn)); |
908 | f7b4a940 | aliguori | pstrcpy(sn.name, sizeof(sn.name), snapshot_name);
|
909 | f7b4a940 | aliguori | |
910 | f7b4a940 | aliguori | qemu_gettimeofday(&tv); |
911 | f7b4a940 | aliguori | sn.date_sec = tv.tv_sec; |
912 | f7b4a940 | aliguori | sn.date_nsec = tv.tv_usec * 1000;
|
913 | f7b4a940 | aliguori | |
914 | f7b4a940 | aliguori | ret = bdrv_snapshot_create(bs, &sn); |
915 | f7b4a940 | aliguori | if (ret)
|
916 | f7b4a940 | aliguori | error("Could not create snapshot '%s': %d (%s)",
|
917 | f7b4a940 | aliguori | snapshot_name, ret, strerror(-ret)); |
918 | f7b4a940 | aliguori | break;
|
919 | f7b4a940 | aliguori | |
920 | f7b4a940 | aliguori | case SNAPSHOT_APPLY:
|
921 | f7b4a940 | aliguori | ret = bdrv_snapshot_goto(bs, snapshot_name); |
922 | f7b4a940 | aliguori | if (ret)
|
923 | f7b4a940 | aliguori | error("Could not apply snapshot '%s': %d (%s)",
|
924 | f7b4a940 | aliguori | snapshot_name, ret, strerror(-ret)); |
925 | f7b4a940 | aliguori | break;
|
926 | f7b4a940 | aliguori | |
927 | f7b4a940 | aliguori | case SNAPSHOT_DELETE:
|
928 | f7b4a940 | aliguori | ret = bdrv_snapshot_delete(bs, snapshot_name); |
929 | f7b4a940 | aliguori | if (ret)
|
930 | f7b4a940 | aliguori | error("Could not delete snapshot '%s': %d (%s)",
|
931 | f7b4a940 | aliguori | snapshot_name, ret, strerror(-ret)); |
932 | f7b4a940 | aliguori | break;
|
933 | f7b4a940 | aliguori | } |
934 | f7b4a940 | aliguori | |
935 | f7b4a940 | aliguori | /* Cleanup */
|
936 | f7b4a940 | aliguori | bdrv_delete(bs); |
937 | f7b4a940 | aliguori | } |
938 | f7b4a940 | aliguori | |
939 | ea2384d3 | bellard | int main(int argc, char **argv) |
940 | ea2384d3 | bellard | { |
941 | ea2384d3 | bellard | const char *cmd; |
942 | ea2384d3 | bellard | |
943 | ea2384d3 | bellard | bdrv_init(); |
944 | ea2384d3 | bellard | if (argc < 2) |
945 | ea2384d3 | bellard | help(); |
946 | ea2384d3 | bellard | cmd = argv[1];
|
947 | 8f9b157e | aurel32 | argc--; argv++; |
948 | ea2384d3 | bellard | if (!strcmp(cmd, "create")) { |
949 | ea2384d3 | bellard | img_create(argc, argv); |
950 | 1585969c | aliguori | } else if (!strcmp(cmd, "check")) { |
951 | 1585969c | aliguori | img_check(argc, argv); |
952 | ea2384d3 | bellard | } else if (!strcmp(cmd, "commit")) { |
953 | ea2384d3 | bellard | img_commit(argc, argv); |
954 | ea2384d3 | bellard | } else if (!strcmp(cmd, "convert")) { |
955 | ea2384d3 | bellard | img_convert(argc, argv); |
956 | ea2384d3 | bellard | } else if (!strcmp(cmd, "info")) { |
957 | ea2384d3 | bellard | img_info(argc, argv); |
958 | f7b4a940 | aliguori | } else if (!strcmp(cmd, "snapshot")) { |
959 | f7b4a940 | aliguori | img_snapshot(argc, argv); |
960 | ea2384d3 | bellard | } else {
|
961 | ea2384d3 | bellard | help(); |
962 | ea2384d3 | bellard | } |
963 | ea2384d3 | bellard | return 0; |
964 | ea2384d3 | bellard | } |