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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 | ec36ba14 | ths | #include "block_int.h" |
26 | 926c2d23 | balrog | #include <assert.h> |
27 | ea2384d3 | bellard | |
28 | e8445331 | bellard | #ifdef _WIN32
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29 | 4fddf62a | ths | #define WIN32_LEAN_AND_MEAN
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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 | 3f379ab1 | pbrook | static void __attribute__((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 | 3f379ab1 | pbrook | static void help(void) |
53 | ea2384d3 | bellard | { |
54 | 68d0f70e | bellard | printf("qemu-img version " QEMU_VERSION ", Copyright (c) 2004-2008 Fabrice Bellard\n" |
55 | 57d1a2b6 | bellard | "usage: qemu-img command [command options]\n"
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56 | ea2384d3 | bellard | "QEMU disk image utility\n"
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57 | ea2384d3 | bellard | "\n"
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58 | ea2384d3 | bellard | "Command syntax:\n"
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59 | ec36ba14 | ths | " create [-e] [-6] [-b base_image] [-f fmt] filename [size]\n"
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60 | ea2384d3 | bellard | " commit [-f fmt] filename\n"
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61 | f58c7b35 | ths | " convert [-c] [-e] [-6] [-f fmt] [-O output_fmt] [-B output_base_image] filename [filename2 [...]] output_filename\n"
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62 | ea2384d3 | bellard | " info [-f fmt] filename\n"
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63 | ea2384d3 | bellard | "\n"
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64 | ea2384d3 | bellard | "Command parameters:\n"
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65 | ea2384d3 | bellard | " 'filename' is a disk image filename\n"
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66 | ea2384d3 | bellard | " 'base_image' is the read-only disk image which is used as base for a copy on\n"
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67 | ea2384d3 | bellard | " write image; the copy on write image only stores the modified data\n"
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68 | f58c7b35 | ths | " 'output_base_image' forces the output image to be created as a copy on write\n"
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69 | f58c7b35 | ths | " image of the specified base image; 'output_base_image' should have the same\n"
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70 | f58c7b35 | ths | " content as the input's base image, however the path, image format, etc may\n"
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71 | f58c7b35 | ths | " differ\n"
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72 | ea2384d3 | bellard | " 'fmt' is the disk image format. It is guessed automatically in most cases\n"
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73 | ea2384d3 | bellard | " 'size' is the disk image size in kilobytes. Optional suffixes 'M' (megabyte)\n"
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74 | ea2384d3 | bellard | " and 'G' (gigabyte) are supported\n"
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75 | ea2384d3 | bellard | " 'output_filename' is the destination disk image filename\n"
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76 | ea2384d3 | bellard | " 'output_fmt' is the destination format\n"
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77 | ea2384d3 | bellard | " '-c' indicates that target image must be compressed (qcow format only)\n"
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78 | ea2384d3 | bellard | " '-e' indicates that the target image must be encrypted (qcow format only)\n"
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79 | ec36ba14 | ths | " '-6' indicates that the target image must use compatibility level 6 (vmdk format only)\n"
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80 | ea2384d3 | bellard | ); |
81 | ea2384d3 | bellard | printf("\nSupported format:");
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82 | ea2384d3 | bellard | bdrv_iterate_format(format_print, NULL);
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83 | ea2384d3 | bellard | printf("\n");
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84 | ea2384d3 | bellard | exit(1);
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85 | ea2384d3 | bellard | } |
86 | ea2384d3 | bellard | |
87 | ea2384d3 | bellard | #if defined(WIN32)
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88 | ea2384d3 | bellard | /* XXX: put correct support for win32 */
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89 | ea2384d3 | bellard | static int read_password(char *buf, int buf_size) |
90 | ea2384d3 | bellard | { |
91 | ea2384d3 | bellard | int c, i;
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92 | ea2384d3 | bellard | printf("Password: ");
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93 | ea2384d3 | bellard | fflush(stdout); |
94 | ea2384d3 | bellard | i = 0;
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95 | ea2384d3 | bellard | for(;;) {
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96 | ea2384d3 | bellard | c = getchar(); |
97 | ea2384d3 | bellard | if (c == '\n') |
98 | ea2384d3 | bellard | break;
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99 | ea2384d3 | bellard | if (i < (buf_size - 1)) |
100 | ea2384d3 | bellard | buf[i++] = c; |
101 | ea2384d3 | bellard | } |
102 | ea2384d3 | bellard | buf[i] = '\0';
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103 | ea2384d3 | bellard | return 0; |
104 | ea2384d3 | bellard | } |
105 | ea2384d3 | bellard | |
106 | ea2384d3 | bellard | #else
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107 | ea2384d3 | bellard | |
108 | ea2384d3 | bellard | #include <termios.h> |
109 | ea2384d3 | bellard | |
110 | ea2384d3 | bellard | static struct termios oldtty; |
111 | ea2384d3 | bellard | |
112 | ea2384d3 | bellard | static void term_exit(void) |
113 | ea2384d3 | bellard | { |
114 | ea2384d3 | bellard | tcsetattr (0, TCSANOW, &oldtty);
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115 | ea2384d3 | bellard | } |
116 | ea2384d3 | bellard | |
117 | ea2384d3 | bellard | static void term_init(void) |
118 | ea2384d3 | bellard | { |
119 | ea2384d3 | bellard | struct termios tty;
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120 | ea2384d3 | bellard | |
121 | ea2384d3 | bellard | tcgetattr (0, &tty);
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122 | ea2384d3 | bellard | oldtty = tty; |
123 | ea2384d3 | bellard | |
124 | ea2384d3 | bellard | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
125 | ea2384d3 | bellard | |INLCR|IGNCR|ICRNL|IXON); |
126 | ea2384d3 | bellard | tty.c_oflag |= OPOST; |
127 | ea2384d3 | bellard | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
128 | ea2384d3 | bellard | tty.c_cflag &= ~(CSIZE|PARENB); |
129 | ea2384d3 | bellard | tty.c_cflag |= CS8; |
130 | ea2384d3 | bellard | tty.c_cc[VMIN] = 1;
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131 | ea2384d3 | bellard | tty.c_cc[VTIME] = 0;
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132 | 3b46e624 | ths | |
133 | ea2384d3 | bellard | tcsetattr (0, TCSANOW, &tty);
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134 | ea2384d3 | bellard | |
135 | ea2384d3 | bellard | atexit(term_exit); |
136 | ea2384d3 | bellard | } |
137 | ea2384d3 | bellard | |
138 | 3f379ab1 | pbrook | static int read_password(char *buf, int buf_size) |
139 | ea2384d3 | bellard | { |
140 | ea2384d3 | bellard | uint8_t ch; |
141 | ea2384d3 | bellard | int i, ret;
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142 | ea2384d3 | bellard | |
143 | ea2384d3 | bellard | printf("password: ");
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144 | ea2384d3 | bellard | fflush(stdout); |
145 | ea2384d3 | bellard | term_init(); |
146 | ea2384d3 | bellard | i = 0;
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147 | ea2384d3 | bellard | for(;;) {
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148 | ea2384d3 | bellard | ret = read(0, &ch, 1); |
149 | ea2384d3 | bellard | if (ret == -1) { |
150 | ea2384d3 | bellard | if (errno == EAGAIN || errno == EINTR) {
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151 | ea2384d3 | bellard | continue;
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152 | ea2384d3 | bellard | } else {
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153 | ea2384d3 | bellard | ret = -1;
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154 | ea2384d3 | bellard | break;
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155 | ea2384d3 | bellard | } |
156 | ea2384d3 | bellard | } else if (ret == 0) { |
157 | ea2384d3 | bellard | ret = -1;
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158 | ea2384d3 | bellard | break;
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159 | ea2384d3 | bellard | } else {
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160 | ea2384d3 | bellard | if (ch == '\r') { |
161 | ea2384d3 | bellard | ret = 0;
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162 | ea2384d3 | bellard | break;
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163 | ea2384d3 | bellard | } |
164 | ea2384d3 | bellard | if (i < (buf_size - 1)) |
165 | ea2384d3 | bellard | buf[i++] = ch; |
166 | ea2384d3 | bellard | } |
167 | ea2384d3 | bellard | } |
168 | ea2384d3 | bellard | term_exit(); |
169 | ea2384d3 | bellard | buf[i] = '\0';
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170 | ea2384d3 | bellard | printf("\n");
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171 | ea2384d3 | bellard | return ret;
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172 | ea2384d3 | bellard | } |
173 | ea2384d3 | bellard | #endif
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174 | ea2384d3 | bellard | |
175 | 75c23805 | bellard | static BlockDriverState *bdrv_new_open(const char *filename, |
176 | 75c23805 | bellard | const char *fmt) |
177 | 75c23805 | bellard | { |
178 | 75c23805 | bellard | BlockDriverState *bs; |
179 | 75c23805 | bellard | BlockDriver *drv; |
180 | 75c23805 | bellard | char password[256]; |
181 | 75c23805 | bellard | |
182 | 75c23805 | bellard | bs = bdrv_new("");
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183 | 75c23805 | bellard | if (!bs)
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184 | 75c23805 | bellard | error("Not enough memory");
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185 | 75c23805 | bellard | if (fmt) {
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186 | 75c23805 | bellard | drv = bdrv_find_format(fmt); |
187 | 75c23805 | bellard | if (!drv)
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188 | 75c23805 | bellard | error("Unknown file format '%s'", fmt);
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189 | 75c23805 | bellard | } else {
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190 | 75c23805 | bellard | drv = NULL;
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191 | 75c23805 | bellard | } |
192 | 137519ce | aurel32 | if (bdrv_open2(bs, filename, BRDV_O_FLAGS, drv) < 0) { |
193 | 75c23805 | bellard | error("Could not open '%s'", filename);
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194 | 75c23805 | bellard | } |
195 | 75c23805 | bellard | if (bdrv_is_encrypted(bs)) {
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196 | 75c23805 | bellard | printf("Disk image '%s' is encrypted.\n", filename);
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197 | 75c23805 | bellard | if (read_password(password, sizeof(password)) < 0) |
198 | 75c23805 | bellard | error("No password given");
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199 | 75c23805 | bellard | if (bdrv_set_key(bs, password) < 0) |
200 | 75c23805 | bellard | error("invalid password");
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201 | 75c23805 | bellard | } |
202 | 75c23805 | bellard | return bs;
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203 | 75c23805 | bellard | } |
204 | 75c23805 | bellard | |
205 | ea2384d3 | bellard | static int img_create(int argc, char **argv) |
206 | ea2384d3 | bellard | { |
207 | ec36ba14 | ths | int c, ret, flags;
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208 | ea2384d3 | bellard | const char *fmt = "raw"; |
209 | ea2384d3 | bellard | const char *filename; |
210 | ea2384d3 | bellard | const char *base_filename = NULL; |
211 | 96b8f136 | ths | uint64_t size; |
212 | ea2384d3 | bellard | const char *p; |
213 | ea2384d3 | bellard | BlockDriver *drv; |
214 | 3b46e624 | ths | |
215 | ec36ba14 | ths | flags = 0;
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216 | ea2384d3 | bellard | for(;;) {
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217 | ec36ba14 | ths | c = getopt(argc, argv, "b:f:he6");
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218 | ea2384d3 | bellard | if (c == -1) |
219 | ea2384d3 | bellard | break;
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220 | ea2384d3 | bellard | switch(c) {
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221 | ea2384d3 | bellard | case 'h': |
222 | ea2384d3 | bellard | help(); |
223 | ea2384d3 | bellard | break;
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224 | ea2384d3 | bellard | case 'b': |
225 | ea2384d3 | bellard | base_filename = optarg; |
226 | ea2384d3 | bellard | break;
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227 | ea2384d3 | bellard | case 'f': |
228 | ea2384d3 | bellard | fmt = optarg; |
229 | ea2384d3 | bellard | break;
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230 | ea2384d3 | bellard | case 'e': |
231 | ec36ba14 | ths | flags |= BLOCK_FLAG_ENCRYPT; |
232 | ea2384d3 | bellard | break;
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233 | d8871c5a | ths | case '6': |
234 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPAT6; |
235 | d8871c5a | ths | break;
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236 | ea2384d3 | bellard | } |
237 | ea2384d3 | bellard | } |
238 | 5fafdf24 | ths | if (optind >= argc)
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239 | ea2384d3 | bellard | help(); |
240 | ea2384d3 | bellard | filename = argv[optind++]; |
241 | ea2384d3 | bellard | size = 0;
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242 | 75c23805 | bellard | if (base_filename) {
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243 | e94f3a60 | aliguori | BlockDriverState *bs; |
244 | 75c23805 | bellard | bs = bdrv_new_open(base_filename, NULL);
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245 | 75c23805 | bellard | bdrv_get_geometry(bs, &size); |
246 | 75c23805 | bellard | size *= 512;
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247 | 75c23805 | bellard | bdrv_delete(bs); |
248 | 75c23805 | bellard | } else {
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249 | ea2384d3 | bellard | if (optind >= argc)
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250 | ea2384d3 | bellard | help(); |
251 | ea2384d3 | bellard | p = argv[optind]; |
252 | ea2384d3 | bellard | size = strtoul(p, (char **)&p, 0); |
253 | ea2384d3 | bellard | if (*p == 'M') { |
254 | ea2384d3 | bellard | size *= 1024 * 1024; |
255 | ea2384d3 | bellard | } else if (*p == 'G') { |
256 | ea2384d3 | bellard | size *= 1024 * 1024 * 1024; |
257 | ea2384d3 | bellard | } else if (*p == 'k' || *p == 'K' || *p == '\0') { |
258 | ea2384d3 | bellard | size *= 1024;
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259 | ea2384d3 | bellard | } else {
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260 | ea2384d3 | bellard | help(); |
261 | ea2384d3 | bellard | } |
262 | ea2384d3 | bellard | } |
263 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
264 | ea2384d3 | bellard | if (!drv)
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265 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
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266 | 0cfec834 | ths | printf("Formatting '%s', fmt=%s",
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267 | ea2384d3 | bellard | filename, fmt); |
268 | ec36ba14 | ths | if (flags & BLOCK_FLAG_ENCRYPT)
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269 | ea2384d3 | bellard | printf(", encrypted");
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270 | ec36ba14 | ths | if (flags & BLOCK_FLAG_COMPAT6)
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271 | ec36ba14 | ths | printf(", compatibility level=6");
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272 | 75c23805 | bellard | if (base_filename) {
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273 | 75c23805 | bellard | printf(", backing_file=%s",
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274 | ea2384d3 | bellard | base_filename); |
275 | 75c23805 | bellard | } |
276 | 96b8f136 | ths | printf(", size=%" PRIu64 " kB\n", size / 1024); |
277 | ec36ba14 | ths | ret = bdrv_create(drv, filename, size / 512, base_filename, flags);
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278 | ea2384d3 | bellard | if (ret < 0) { |
279 | ea2384d3 | bellard | if (ret == -ENOTSUP) {
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280 | 3c56521b | bellard | error("Formatting or formatting option not supported for file format '%s'", fmt);
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281 | ea2384d3 | bellard | } else {
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282 | ea2384d3 | bellard | error("Error while formatting");
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283 | ea2384d3 | bellard | } |
284 | ea2384d3 | bellard | } |
285 | ea2384d3 | bellard | return 0; |
286 | ea2384d3 | bellard | } |
287 | ea2384d3 | bellard | |
288 | ea2384d3 | bellard | static int img_commit(int argc, char **argv) |
289 | ea2384d3 | bellard | { |
290 | ea2384d3 | bellard | int c, ret;
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291 | ea2384d3 | bellard | const char *filename, *fmt; |
292 | ea2384d3 | bellard | BlockDriver *drv; |
293 | ea2384d3 | bellard | BlockDriverState *bs; |
294 | ea2384d3 | bellard | |
295 | ea2384d3 | bellard | fmt = NULL;
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296 | ea2384d3 | bellard | for(;;) {
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297 | ea2384d3 | bellard | c = getopt(argc, argv, "f:h");
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298 | ea2384d3 | bellard | if (c == -1) |
299 | ea2384d3 | bellard | break;
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300 | ea2384d3 | bellard | switch(c) {
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301 | ea2384d3 | bellard | case 'h': |
302 | ea2384d3 | bellard | help(); |
303 | ea2384d3 | bellard | break;
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304 | ea2384d3 | bellard | case 'f': |
305 | ea2384d3 | bellard | fmt = optarg; |
306 | ea2384d3 | bellard | break;
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307 | ea2384d3 | bellard | } |
308 | ea2384d3 | bellard | } |
309 | 5fafdf24 | ths | if (optind >= argc)
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310 | ea2384d3 | bellard | help(); |
311 | ea2384d3 | bellard | filename = argv[optind++]; |
312 | ea2384d3 | bellard | |
313 | ea2384d3 | bellard | bs = bdrv_new("");
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314 | ea2384d3 | bellard | if (!bs)
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315 | ea2384d3 | bellard | error("Not enough memory");
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316 | ea2384d3 | bellard | if (fmt) {
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317 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
318 | ea2384d3 | bellard | if (!drv)
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319 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
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320 | ea2384d3 | bellard | } else {
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321 | ea2384d3 | bellard | drv = NULL;
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322 | ea2384d3 | bellard | } |
323 | 137519ce | aurel32 | if (bdrv_open2(bs, filename, BRDV_O_FLAGS, drv) < 0) { |
324 | ea2384d3 | bellard | error("Could not open '%s'", filename);
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325 | ea2384d3 | bellard | } |
326 | ea2384d3 | bellard | ret = bdrv_commit(bs); |
327 | ea2384d3 | bellard | switch(ret) {
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328 | ea2384d3 | bellard | case 0: |
329 | ea2384d3 | bellard | printf("Image committed.\n");
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330 | ea2384d3 | bellard | break;
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331 | ea2384d3 | bellard | case -ENOENT:
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332 | ea2384d3 | bellard | error("No disk inserted");
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333 | ea2384d3 | bellard | break;
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334 | ea2384d3 | bellard | case -EACCES:
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335 | ea2384d3 | bellard | error("Image is read-only");
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336 | ea2384d3 | bellard | break;
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337 | ea2384d3 | bellard | case -ENOTSUP:
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338 | ea2384d3 | bellard | error("Image is already committed");
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339 | ea2384d3 | bellard | break;
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340 | ea2384d3 | bellard | default:
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341 | ea2384d3 | bellard | error("Error while committing image");
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342 | ea2384d3 | bellard | break;
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343 | ea2384d3 | bellard | } |
344 | ea2384d3 | bellard | |
345 | ea2384d3 | bellard | bdrv_delete(bs); |
346 | ea2384d3 | bellard | return 0; |
347 | ea2384d3 | bellard | } |
348 | ea2384d3 | bellard | |
349 | ea2384d3 | bellard | static int is_not_zero(const uint8_t *sector, int len) |
350 | ea2384d3 | bellard | { |
351 | ea2384d3 | bellard | int i;
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352 | ea2384d3 | bellard | len >>= 2;
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353 | ea2384d3 | bellard | for(i = 0;i < len; i++) { |
354 | ea2384d3 | bellard | if (((uint32_t *)sector)[i] != 0) |
355 | ea2384d3 | bellard | return 1; |
356 | ea2384d3 | bellard | } |
357 | ea2384d3 | bellard | return 0; |
358 | ea2384d3 | bellard | } |
359 | ea2384d3 | bellard | |
360 | f58c7b35 | ths | /*
|
361 | f58c7b35 | ths | * Returns true iff the first sector pointed to by 'buf' contains at least
|
362 | f58c7b35 | ths | * a non-NUL byte.
|
363 | f58c7b35 | ths | *
|
364 | f58c7b35 | ths | * 'pnum' is set to the number of sectors (including and immediately following
|
365 | f58c7b35 | ths | * the first one) that are known to be in the same allocated/unallocated state.
|
366 | f58c7b35 | ths | */
|
367 | ea2384d3 | bellard | static int is_allocated_sectors(const uint8_t *buf, int n, int *pnum) |
368 | ea2384d3 | bellard | { |
369 | ea2384d3 | bellard | int v, i;
|
370 | ea2384d3 | bellard | |
371 | ea2384d3 | bellard | if (n <= 0) { |
372 | ea2384d3 | bellard | *pnum = 0;
|
373 | ea2384d3 | bellard | return 0; |
374 | ea2384d3 | bellard | } |
375 | ea2384d3 | bellard | v = is_not_zero(buf, 512);
|
376 | ea2384d3 | bellard | for(i = 1; i < n; i++) { |
377 | ea2384d3 | bellard | buf += 512;
|
378 | ea2384d3 | bellard | if (v != is_not_zero(buf, 512)) |
379 | ea2384d3 | bellard | break;
|
380 | ea2384d3 | bellard | } |
381 | ea2384d3 | bellard | *pnum = i; |
382 | ea2384d3 | bellard | return v;
|
383 | ea2384d3 | bellard | } |
384 | ea2384d3 | bellard | |
385 | ea2384d3 | bellard | #define IO_BUF_SIZE 65536 |
386 | ea2384d3 | bellard | |
387 | ea2384d3 | bellard | static int img_convert(int argc, char **argv) |
388 | ea2384d3 | bellard | { |
389 | 926c2d23 | balrog | int c, ret, n, n1, bs_n, bs_i, flags, cluster_size, cluster_sectors;
|
390 | f58c7b35 | ths | const char *fmt, *out_fmt, *out_baseimg, *out_filename; |
391 | ea2384d3 | bellard | BlockDriver *drv; |
392 | 926c2d23 | balrog | BlockDriverState **bs, *out_bs; |
393 | 96b8f136 | ths | int64_t total_sectors, nb_sectors, sector_num, bs_offset; |
394 | 96b8f136 | ths | uint64_t bs_sectors; |
395 | ea2384d3 | bellard | uint8_t buf[IO_BUF_SIZE]; |
396 | ea2384d3 | bellard | const uint8_t *buf1;
|
397 | faea38e7 | bellard | BlockDriverInfo bdi; |
398 | ea2384d3 | bellard | |
399 | ea2384d3 | bellard | fmt = NULL;
|
400 | ea2384d3 | bellard | out_fmt = "raw";
|
401 | f58c7b35 | ths | out_baseimg = NULL;
|
402 | ec36ba14 | ths | flags = 0;
|
403 | ea2384d3 | bellard | for(;;) {
|
404 | f58c7b35 | ths | c = getopt(argc, argv, "f:O:B:hce6");
|
405 | ea2384d3 | bellard | if (c == -1) |
406 | ea2384d3 | bellard | break;
|
407 | ea2384d3 | bellard | switch(c) {
|
408 | ea2384d3 | bellard | case 'h': |
409 | ea2384d3 | bellard | help(); |
410 | ea2384d3 | bellard | break;
|
411 | ea2384d3 | bellard | case 'f': |
412 | ea2384d3 | bellard | fmt = optarg; |
413 | ea2384d3 | bellard | break;
|
414 | ea2384d3 | bellard | case 'O': |
415 | ea2384d3 | bellard | out_fmt = optarg; |
416 | ea2384d3 | bellard | break;
|
417 | f58c7b35 | ths | case 'B': |
418 | f58c7b35 | ths | out_baseimg = optarg; |
419 | f58c7b35 | ths | break;
|
420 | ea2384d3 | bellard | case 'c': |
421 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPRESS; |
422 | ea2384d3 | bellard | break;
|
423 | ea2384d3 | bellard | case 'e': |
424 | ec36ba14 | ths | flags |= BLOCK_FLAG_ENCRYPT; |
425 | ec36ba14 | ths | break;
|
426 | ec36ba14 | ths | case '6': |
427 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPAT6; |
428 | ea2384d3 | bellard | break;
|
429 | ea2384d3 | bellard | } |
430 | ea2384d3 | bellard | } |
431 | 3b46e624 | ths | |
432 | 926c2d23 | balrog | bs_n = argc - optind - 1;
|
433 | 926c2d23 | balrog | if (bs_n < 1) help(); |
434 | 926c2d23 | balrog | |
435 | 926c2d23 | balrog | out_filename = argv[argc - 1];
|
436 | f58c7b35 | ths | |
437 | f58c7b35 | ths | if (bs_n > 1 && out_baseimg) |
438 | f58c7b35 | ths | error("-B makes no sense when concatenating multiple input images");
|
439 | 926c2d23 | balrog | |
440 | 926c2d23 | balrog | bs = calloc(bs_n, sizeof(BlockDriverState *));
|
441 | 926c2d23 | balrog | if (!bs)
|
442 | 926c2d23 | balrog | error("Out of memory");
|
443 | 926c2d23 | balrog | |
444 | 926c2d23 | balrog | total_sectors = 0;
|
445 | 926c2d23 | balrog | for (bs_i = 0; bs_i < bs_n; bs_i++) { |
446 | 926c2d23 | balrog | bs[bs_i] = bdrv_new_open(argv[optind + bs_i], fmt); |
447 | 926c2d23 | balrog | if (!bs[bs_i])
|
448 | 926c2d23 | balrog | error("Could not open '%s'", argv[optind + bs_i]);
|
449 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
450 | 926c2d23 | balrog | total_sectors += bs_sectors; |
451 | 926c2d23 | balrog | } |
452 | ea2384d3 | bellard | |
453 | ea2384d3 | bellard | drv = bdrv_find_format(out_fmt); |
454 | ea2384d3 | bellard | if (!drv)
|
455 | d34dda5e | ths | error("Unknown file format '%s'", out_fmt);
|
456 | ec36ba14 | ths | if (flags & BLOCK_FLAG_COMPRESS && drv != &bdrv_qcow && drv != &bdrv_qcow2)
|
457 | ea2384d3 | bellard | error("Compression not supported for this file format");
|
458 | ec36ba14 | ths | if (flags & BLOCK_FLAG_ENCRYPT && drv != &bdrv_qcow && drv != &bdrv_qcow2)
|
459 | ea2384d3 | bellard | error("Encryption not supported for this file format");
|
460 | d8871c5a | ths | if (flags & BLOCK_FLAG_COMPAT6 && drv != &bdrv_vmdk)
|
461 | ec36ba14 | ths | error("Alternative compatibility level not supported for this file format");
|
462 | ec36ba14 | ths | if (flags & BLOCK_FLAG_ENCRYPT && flags & BLOCK_FLAG_COMPRESS)
|
463 | ea2384d3 | bellard | error("Compression and encryption not supported at the same time");
|
464 | 926c2d23 | balrog | |
465 | f58c7b35 | ths | ret = bdrv_create(drv, out_filename, total_sectors, out_baseimg, flags); |
466 | ea2384d3 | bellard | if (ret < 0) { |
467 | ea2384d3 | bellard | if (ret == -ENOTSUP) {
|
468 | 3c56521b | bellard | error("Formatting not supported for file format '%s'", fmt);
|
469 | ea2384d3 | bellard | } else {
|
470 | ea2384d3 | bellard | error("Error while formatting '%s'", out_filename);
|
471 | ea2384d3 | bellard | } |
472 | ea2384d3 | bellard | } |
473 | 3b46e624 | ths | |
474 | ea2384d3 | bellard | out_bs = bdrv_new_open(out_filename, out_fmt); |
475 | ea2384d3 | bellard | |
476 | 926c2d23 | balrog | bs_i = 0;
|
477 | 926c2d23 | balrog | bs_offset = 0;
|
478 | 926c2d23 | balrog | bdrv_get_geometry(bs[0], &bs_sectors);
|
479 | 926c2d23 | balrog | |
480 | 926c2d23 | balrog | if (flags & BLOCK_FLAG_COMPRESS) {
|
481 | faea38e7 | bellard | if (bdrv_get_info(out_bs, &bdi) < 0) |
482 | faea38e7 | bellard | error("could not get block driver info");
|
483 | faea38e7 | bellard | cluster_size = bdi.cluster_size; |
484 | ea2384d3 | bellard | if (cluster_size <= 0 || cluster_size > IO_BUF_SIZE) |
485 | ea2384d3 | bellard | error("invalid cluster size");
|
486 | ea2384d3 | bellard | cluster_sectors = cluster_size >> 9;
|
487 | ea2384d3 | bellard | sector_num = 0;
|
488 | ea2384d3 | bellard | for(;;) {
|
489 | 926c2d23 | balrog | int64_t bs_num; |
490 | 926c2d23 | balrog | int remainder;
|
491 | 926c2d23 | balrog | uint8_t *buf2; |
492 | 926c2d23 | balrog | |
493 | ea2384d3 | bellard | nb_sectors = total_sectors - sector_num; |
494 | ea2384d3 | bellard | if (nb_sectors <= 0) |
495 | ea2384d3 | bellard | break;
|
496 | ea2384d3 | bellard | if (nb_sectors >= cluster_sectors)
|
497 | ea2384d3 | bellard | n = cluster_sectors; |
498 | ea2384d3 | bellard | else
|
499 | ea2384d3 | bellard | n = nb_sectors; |
500 | 926c2d23 | balrog | |
501 | 926c2d23 | balrog | bs_num = sector_num - bs_offset; |
502 | 926c2d23 | balrog | assert (bs_num >= 0);
|
503 | 926c2d23 | balrog | remainder = n; |
504 | 926c2d23 | balrog | buf2 = buf; |
505 | 926c2d23 | balrog | while (remainder > 0) { |
506 | 926c2d23 | balrog | int nlow;
|
507 | 926c2d23 | balrog | while (bs_num == bs_sectors) {
|
508 | 926c2d23 | balrog | bs_i++; |
509 | 926c2d23 | balrog | assert (bs_i < bs_n); |
510 | 926c2d23 | balrog | bs_offset += bs_sectors; |
511 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
512 | 926c2d23 | balrog | bs_num = 0;
|
513 | 926c2d23 | balrog | /* printf("changing part: sector_num=%lld, "
|
514 | 926c2d23 | balrog | "bs_i=%d, bs_offset=%lld, bs_sectors=%lld\n",
|
515 | 926c2d23 | balrog | sector_num, bs_i, bs_offset, bs_sectors); */
|
516 | 926c2d23 | balrog | } |
517 | 926c2d23 | balrog | assert (bs_num < bs_sectors); |
518 | 926c2d23 | balrog | |
519 | 926c2d23 | balrog | nlow = (remainder > bs_sectors - bs_num) ? bs_sectors - bs_num : remainder; |
520 | 926c2d23 | balrog | |
521 | 926c2d23 | balrog | if (bdrv_read(bs[bs_i], bs_num, buf2, nlow) < 0) |
522 | 926c2d23 | balrog | error("error while reading");
|
523 | 926c2d23 | balrog | |
524 | 926c2d23 | balrog | buf2 += nlow * 512;
|
525 | 926c2d23 | balrog | bs_num += nlow; |
526 | 926c2d23 | balrog | |
527 | 926c2d23 | balrog | remainder -= nlow; |
528 | 926c2d23 | balrog | } |
529 | 926c2d23 | balrog | assert (remainder == 0);
|
530 | 926c2d23 | balrog | |
531 | ea2384d3 | bellard | if (n < cluster_sectors)
|
532 | ea2384d3 | bellard | memset(buf + n * 512, 0, cluster_size - n * 512); |
533 | ea2384d3 | bellard | if (is_not_zero(buf, cluster_size)) {
|
534 | 5fafdf24 | ths | if (bdrv_write_compressed(out_bs, sector_num, buf,
|
535 | faea38e7 | bellard | cluster_sectors) != 0)
|
536 | ec3757de | bellard | error("error while compressing sector %" PRId64,
|
537 | ec3757de | bellard | sector_num); |
538 | ea2384d3 | bellard | } |
539 | ea2384d3 | bellard | sector_num += n; |
540 | ea2384d3 | bellard | } |
541 | faea38e7 | bellard | /* signal EOF to align */
|
542 | faea38e7 | bellard | bdrv_write_compressed(out_bs, 0, NULL, 0); |
543 | ea2384d3 | bellard | } else {
|
544 | f58c7b35 | ths | sector_num = 0; // total number of sectors converted so far |
545 | ea2384d3 | bellard | for(;;) {
|
546 | ea2384d3 | bellard | nb_sectors = total_sectors - sector_num; |
547 | ea2384d3 | bellard | if (nb_sectors <= 0) |
548 | ea2384d3 | bellard | break;
|
549 | ea2384d3 | bellard | if (nb_sectors >= (IO_BUF_SIZE / 512)) |
550 | ea2384d3 | bellard | n = (IO_BUF_SIZE / 512);
|
551 | ea2384d3 | bellard | else
|
552 | ea2384d3 | bellard | n = nb_sectors; |
553 | 926c2d23 | balrog | |
554 | 926c2d23 | balrog | while (sector_num - bs_offset >= bs_sectors) {
|
555 | 926c2d23 | balrog | bs_i ++; |
556 | 926c2d23 | balrog | assert (bs_i < bs_n); |
557 | 926c2d23 | balrog | bs_offset += bs_sectors; |
558 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
559 | 926c2d23 | balrog | /* printf("changing part: sector_num=%lld, bs_i=%d, "
|
560 | 926c2d23 | balrog | "bs_offset=%lld, bs_sectors=%lld\n",
|
561 | 926c2d23 | balrog | sector_num, bs_i, bs_offset, bs_sectors); */
|
562 | 926c2d23 | balrog | } |
563 | 926c2d23 | balrog | |
564 | 926c2d23 | balrog | if (n > bs_offset + bs_sectors - sector_num)
|
565 | 926c2d23 | balrog | n = bs_offset + bs_sectors - sector_num; |
566 | 926c2d23 | balrog | |
567 | f58c7b35 | ths | /* If the output image is being created as a copy on write image,
|
568 | f58c7b35 | ths | assume that sectors which are unallocated in the input image
|
569 | f58c7b35 | ths | are present in both the output's and input's base images (no
|
570 | f58c7b35 | ths | need to copy them). */
|
571 | f58c7b35 | ths | if (out_baseimg) {
|
572 | f58c7b35 | ths | if (!bdrv_is_allocated(bs[bs_i], sector_num - bs_offset, n, &n1)) {
|
573 | f58c7b35 | ths | sector_num += n1; |
574 | f58c7b35 | ths | continue;
|
575 | f58c7b35 | ths | } |
576 | f58c7b35 | ths | /* The next 'n1' sectors are allocated in the input image. Copy
|
577 | f58c7b35 | ths | only those as they may be followed by unallocated sectors. */
|
578 | f58c7b35 | ths | n = n1; |
579 | f58c7b35 | ths | } |
580 | f58c7b35 | ths | |
581 | 926c2d23 | balrog | if (bdrv_read(bs[bs_i], sector_num - bs_offset, buf, n) < 0) |
582 | ea2384d3 | bellard | error("error while reading");
|
583 | ea2384d3 | bellard | /* NOTE: at the same time we convert, we do not write zero
|
584 | ea2384d3 | bellard | sectors to have a chance to compress the image. Ideally, we
|
585 | ea2384d3 | bellard | should add a specific call to have the info to go faster */
|
586 | ea2384d3 | bellard | buf1 = buf; |
587 | ea2384d3 | bellard | while (n > 0) { |
588 | f58c7b35 | ths | /* If the output image is being created as a copy on write image,
|
589 | f58c7b35 | ths | copy all sectors even the ones containing only NUL bytes,
|
590 | f58c7b35 | ths | because they may differ from the sectors in the base image. */
|
591 | f58c7b35 | ths | if (out_baseimg || is_allocated_sectors(buf1, n, &n1)) {
|
592 | 5fafdf24 | ths | if (bdrv_write(out_bs, sector_num, buf1, n1) < 0) |
593 | ea2384d3 | bellard | error("error while writing");
|
594 | ea2384d3 | bellard | } |
595 | ea2384d3 | bellard | sector_num += n1; |
596 | ea2384d3 | bellard | n -= n1; |
597 | ea2384d3 | bellard | buf1 += n1 * 512;
|
598 | ea2384d3 | bellard | } |
599 | ea2384d3 | bellard | } |
600 | ea2384d3 | bellard | } |
601 | ea2384d3 | bellard | bdrv_delete(out_bs); |
602 | 926c2d23 | balrog | for (bs_i = 0; bs_i < bs_n; bs_i++) |
603 | 926c2d23 | balrog | bdrv_delete(bs[bs_i]); |
604 | 926c2d23 | balrog | free(bs); |
605 | ea2384d3 | bellard | return 0; |
606 | ea2384d3 | bellard | } |
607 | ea2384d3 | bellard | |
608 | 57d1a2b6 | bellard | #ifdef _WIN32
|
609 | 57d1a2b6 | bellard | static int64_t get_allocated_file_size(const char *filename) |
610 | 57d1a2b6 | bellard | { |
611 | e8445331 | bellard | typedef DWORD (WINAPI * get_compressed_t)(const char *filename, DWORD *high); |
612 | e8445331 | bellard | get_compressed_t get_compressed; |
613 | 57d1a2b6 | bellard | struct _stati64 st;
|
614 | e8445331 | bellard | |
615 | e8445331 | bellard | /* WinNT support GetCompressedFileSize to determine allocate size */
|
616 | e8445331 | bellard | get_compressed = (get_compressed_t) GetProcAddress(GetModuleHandle("kernel32"), "GetCompressedFileSizeA"); |
617 | e8445331 | bellard | if (get_compressed) {
|
618 | e8445331 | bellard | DWORD high, low; |
619 | e8445331 | bellard | low = get_compressed(filename, &high); |
620 | e8445331 | bellard | if (low != 0xFFFFFFFFlu || GetLastError() == NO_ERROR) |
621 | e8445331 | bellard | return (((int64_t) high) << 32) + low; |
622 | e8445331 | bellard | } |
623 | e8445331 | bellard | |
624 | 5fafdf24 | ths | if (_stati64(filename, &st) < 0) |
625 | 57d1a2b6 | bellard | return -1; |
626 | 57d1a2b6 | bellard | return st.st_size;
|
627 | 57d1a2b6 | bellard | } |
628 | 57d1a2b6 | bellard | #else
|
629 | 57d1a2b6 | bellard | static int64_t get_allocated_file_size(const char *filename) |
630 | 57d1a2b6 | bellard | { |
631 | 57d1a2b6 | bellard | struct stat st;
|
632 | 5fafdf24 | ths | if (stat(filename, &st) < 0) |
633 | 57d1a2b6 | bellard | return -1; |
634 | 57d1a2b6 | bellard | return (int64_t)st.st_blocks * 512; |
635 | 57d1a2b6 | bellard | } |
636 | 57d1a2b6 | bellard | #endif
|
637 | 57d1a2b6 | bellard | |
638 | faea38e7 | bellard | static void dump_snapshots(BlockDriverState *bs) |
639 | faea38e7 | bellard | { |
640 | faea38e7 | bellard | QEMUSnapshotInfo *sn_tab, *sn; |
641 | faea38e7 | bellard | int nb_sns, i;
|
642 | faea38e7 | bellard | char buf[256]; |
643 | faea38e7 | bellard | |
644 | faea38e7 | bellard | nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
645 | faea38e7 | bellard | if (nb_sns <= 0) |
646 | faea38e7 | bellard | return;
|
647 | faea38e7 | bellard | printf("Snapshot list:\n");
|
648 | faea38e7 | bellard | printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); |
649 | faea38e7 | bellard | for(i = 0; i < nb_sns; i++) { |
650 | faea38e7 | bellard | sn = &sn_tab[i]; |
651 | faea38e7 | bellard | printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); |
652 | faea38e7 | bellard | } |
653 | faea38e7 | bellard | qemu_free(sn_tab); |
654 | faea38e7 | bellard | } |
655 | faea38e7 | bellard | |
656 | ea2384d3 | bellard | static int img_info(int argc, char **argv) |
657 | ea2384d3 | bellard | { |
658 | ea2384d3 | bellard | int c;
|
659 | ea2384d3 | bellard | const char *filename, *fmt; |
660 | ea2384d3 | bellard | BlockDriver *drv; |
661 | ea2384d3 | bellard | BlockDriverState *bs; |
662 | ea2384d3 | bellard | char fmt_name[128], size_buf[128], dsize_buf[128]; |
663 | 96b8f136 | ths | uint64_t total_sectors; |
664 | 96b8f136 | ths | int64_t allocated_size; |
665 | 93b6b2a3 | bellard | char backing_filename[1024]; |
666 | 93b6b2a3 | bellard | char backing_filename2[1024]; |
667 | faea38e7 | bellard | BlockDriverInfo bdi; |
668 | ea2384d3 | bellard | |
669 | ea2384d3 | bellard | fmt = NULL;
|
670 | ea2384d3 | bellard | for(;;) {
|
671 | ea2384d3 | bellard | c = getopt(argc, argv, "f:h");
|
672 | ea2384d3 | bellard | if (c == -1) |
673 | ea2384d3 | bellard | break;
|
674 | ea2384d3 | bellard | switch(c) {
|
675 | ea2384d3 | bellard | case 'h': |
676 | ea2384d3 | bellard | help(); |
677 | ea2384d3 | bellard | break;
|
678 | ea2384d3 | bellard | case 'f': |
679 | ea2384d3 | bellard | fmt = optarg; |
680 | ea2384d3 | bellard | break;
|
681 | ea2384d3 | bellard | } |
682 | ea2384d3 | bellard | } |
683 | 5fafdf24 | ths | if (optind >= argc)
|
684 | ea2384d3 | bellard | help(); |
685 | ea2384d3 | bellard | filename = argv[optind++]; |
686 | ea2384d3 | bellard | |
687 | ea2384d3 | bellard | bs = bdrv_new("");
|
688 | ea2384d3 | bellard | if (!bs)
|
689 | ea2384d3 | bellard | error("Not enough memory");
|
690 | ea2384d3 | bellard | if (fmt) {
|
691 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
692 | ea2384d3 | bellard | if (!drv)
|
693 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
|
694 | ea2384d3 | bellard | } else {
|
695 | ea2384d3 | bellard | drv = NULL;
|
696 | ea2384d3 | bellard | } |
697 | 137519ce | aurel32 | if (bdrv_open2(bs, filename, BRDV_O_FLAGS, drv) < 0) { |
698 | ea2384d3 | bellard | error("Could not open '%s'", filename);
|
699 | ea2384d3 | bellard | } |
700 | ea2384d3 | bellard | bdrv_get_format(bs, fmt_name, sizeof(fmt_name));
|
701 | ea2384d3 | bellard | bdrv_get_geometry(bs, &total_sectors); |
702 | ea2384d3 | bellard | get_human_readable_size(size_buf, sizeof(size_buf), total_sectors * 512); |
703 | 57d1a2b6 | bellard | allocated_size = get_allocated_file_size(filename); |
704 | 57d1a2b6 | bellard | if (allocated_size < 0) |
705 | a10ea30b | blueswir1 | snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); |
706 | de167e41 | bellard | else
|
707 | 5fafdf24 | ths | get_human_readable_size(dsize_buf, sizeof(dsize_buf),
|
708 | de167e41 | bellard | allocated_size); |
709 | ea2384d3 | bellard | printf("image: %s\n"
|
710 | ea2384d3 | bellard | "file format: %s\n"
|
711 | ec3757de | bellard | "virtual size: %s (%" PRId64 " bytes)\n" |
712 | ea2384d3 | bellard | "disk size: %s\n",
|
713 | 5fafdf24 | ths | filename, fmt_name, size_buf, |
714 | ec3757de | bellard | (total_sectors * 512),
|
715 | ea2384d3 | bellard | dsize_buf); |
716 | ea2384d3 | bellard | if (bdrv_is_encrypted(bs))
|
717 | ea2384d3 | bellard | printf("encrypted: yes\n");
|
718 | faea38e7 | bellard | if (bdrv_get_info(bs, &bdi) >= 0) { |
719 | 5fafdf24 | ths | if (bdi.cluster_size != 0) |
720 | faea38e7 | bellard | printf("cluster_size: %d\n", bdi.cluster_size);
|
721 | faea38e7 | bellard | } |
722 | 93b6b2a3 | bellard | bdrv_get_backing_filename(bs, backing_filename, sizeof(backing_filename));
|
723 | faea38e7 | bellard | if (backing_filename[0] != '\0') { |
724 | 93b6b2a3 | bellard | path_combine(backing_filename2, sizeof(backing_filename2),
|
725 | 93b6b2a3 | bellard | filename, backing_filename); |
726 | 5fafdf24 | ths | printf("backing file: %s (actual path: %s)\n",
|
727 | 93b6b2a3 | bellard | backing_filename, |
728 | 93b6b2a3 | bellard | backing_filename2); |
729 | faea38e7 | bellard | } |
730 | faea38e7 | bellard | dump_snapshots(bs); |
731 | ea2384d3 | bellard | bdrv_delete(bs); |
732 | ea2384d3 | bellard | return 0; |
733 | ea2384d3 | bellard | } |
734 | ea2384d3 | bellard | |
735 | ea2384d3 | bellard | int main(int argc, char **argv) |
736 | ea2384d3 | bellard | { |
737 | ea2384d3 | bellard | const char *cmd; |
738 | ea2384d3 | bellard | |
739 | ea2384d3 | bellard | bdrv_init(); |
740 | ea2384d3 | bellard | if (argc < 2) |
741 | ea2384d3 | bellard | help(); |
742 | ea2384d3 | bellard | cmd = argv[1];
|
743 | e3888186 | bellard | optind++; |
744 | ea2384d3 | bellard | if (!strcmp(cmd, "create")) { |
745 | ea2384d3 | bellard | img_create(argc, argv); |
746 | ea2384d3 | bellard | } else if (!strcmp(cmd, "commit")) { |
747 | ea2384d3 | bellard | img_commit(argc, argv); |
748 | ea2384d3 | bellard | } else if (!strcmp(cmd, "convert")) { |
749 | ea2384d3 | bellard | img_convert(argc, argv); |
750 | ea2384d3 | bellard | } else if (!strcmp(cmd, "info")) { |
751 | ea2384d3 | bellard | img_info(argc, argv); |
752 | ea2384d3 | bellard | } else {
|
753 | ea2384d3 | bellard | help(); |
754 | ea2384d3 | bellard | } |
755 | ea2384d3 | bellard | return 0; |
756 | ea2384d3 | bellard | } |