Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 1 | #include "qemu-common.h" |
Markus Armbruster | 2f79201 | 2010-02-18 16:24:31 +0100 | [diff] [blame] | 2 | #include "qemu-error.h" |
Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 3 | #include "qemu-option.h" |
| 4 | #include "qemu-config.h" |
Gerd Hoffmann | a861c45 | 2009-09-25 21:42:40 +0200 | [diff] [blame] | 5 | #include "sysemu.h" |
Gerd Hoffmann | d0fef6f | 2009-12-08 13:11:34 +0100 | [diff] [blame] | 6 | #include "hw/qdev.h" |
Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 7 | |
| 8 | QemuOptsList qemu_drive_opts = { |
| 9 | .name = "drive", |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 10 | .head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head), |
Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 11 | .desc = { |
| 12 | { |
| 13 | .name = "bus", |
| 14 | .type = QEMU_OPT_NUMBER, |
| 15 | .help = "bus number", |
| 16 | },{ |
| 17 | .name = "unit", |
| 18 | .type = QEMU_OPT_NUMBER, |
| 19 | .help = "unit number (i.e. lun for scsi)", |
| 20 | },{ |
| 21 | .name = "if", |
| 22 | .type = QEMU_OPT_STRING, |
| 23 | .help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)", |
| 24 | },{ |
| 25 | .name = "index", |
| 26 | .type = QEMU_OPT_NUMBER, |
| 27 | },{ |
| 28 | .name = "cyls", |
| 29 | .type = QEMU_OPT_NUMBER, |
| 30 | .help = "number of cylinders (ide disk geometry)", |
| 31 | },{ |
| 32 | .name = "heads", |
| 33 | .type = QEMU_OPT_NUMBER, |
| 34 | .help = "number of heads (ide disk geometry)", |
| 35 | },{ |
| 36 | .name = "secs", |
| 37 | .type = QEMU_OPT_NUMBER, |
| 38 | .help = "number of sectors (ide disk geometry)", |
| 39 | },{ |
| 40 | .name = "trans", |
| 41 | .type = QEMU_OPT_STRING, |
| 42 | .help = "chs translation (auto, lba. none)", |
| 43 | },{ |
| 44 | .name = "media", |
| 45 | .type = QEMU_OPT_STRING, |
| 46 | .help = "media type (disk, cdrom)", |
| 47 | },{ |
| 48 | .name = "snapshot", |
| 49 | .type = QEMU_OPT_BOOL, |
| 50 | },{ |
| 51 | .name = "file", |
| 52 | .type = QEMU_OPT_STRING, |
| 53 | .help = "disk image", |
| 54 | },{ |
| 55 | .name = "cache", |
| 56 | .type = QEMU_OPT_STRING, |
| 57 | .help = "host cache usage (none, writeback, writethrough)", |
| 58 | },{ |
Christoph Hellwig | 5c6c3a6 | 2009-08-20 16:58:35 +0200 | [diff] [blame] | 59 | .name = "aio", |
| 60 | .type = QEMU_OPT_STRING, |
| 61 | .help = "host AIO implementation (threads, native)", |
| 62 | },{ |
Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 63 | .name = "format", |
| 64 | .type = QEMU_OPT_STRING, |
| 65 | .help = "disk format (raw, qcow2, ...)", |
| 66 | },{ |
| 67 | .name = "serial", |
| 68 | .type = QEMU_OPT_STRING, |
| 69 | },{ |
Kevin Wolf | e9b2e81 | 2009-11-27 13:25:37 +0100 | [diff] [blame] | 70 | .name = "rerror", |
| 71 | .type = QEMU_OPT_STRING, |
| 72 | },{ |
Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 73 | .name = "werror", |
| 74 | .type = QEMU_OPT_STRING, |
| 75 | },{ |
| 76 | .name = "addr", |
| 77 | .type = QEMU_OPT_STRING, |
| 78 | .help = "pci address (virtio only)", |
Naphtali Sprei | 59f2689 | 2009-10-26 16:25:16 +0200 | [diff] [blame] | 79 | },{ |
| 80 | .name = "readonly", |
| 81 | .type = QEMU_OPT_BOOL, |
Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 82 | }, |
| 83 | { /* end if list */ } |
| 84 | }, |
| 85 | }; |
| 86 | |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 87 | QemuOptsList qemu_chardev_opts = { |
| 88 | .name = "chardev", |
Markus Armbruster | 8212c64 | 2010-02-10 19:52:18 +0100 | [diff] [blame] | 89 | .implied_opt_name = "backend", |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 90 | .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 91 | .desc = { |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 92 | { |
| 93 | .name = "backend", |
| 94 | .type = QEMU_OPT_STRING, |
| 95 | },{ |
| 96 | .name = "path", |
| 97 | .type = QEMU_OPT_STRING, |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 98 | },{ |
| 99 | .name = "host", |
| 100 | .type = QEMU_OPT_STRING, |
| 101 | },{ |
| 102 | .name = "port", |
| 103 | .type = QEMU_OPT_STRING, |
| 104 | },{ |
Gerd Hoffmann | 7e1b35b | 2009-09-10 10:58:51 +0200 | [diff] [blame] | 105 | .name = "localaddr", |
| 106 | .type = QEMU_OPT_STRING, |
| 107 | },{ |
| 108 | .name = "localport", |
| 109 | .type = QEMU_OPT_STRING, |
| 110 | },{ |
Gerd Hoffmann | aeb2c47 | 2009-09-10 10:58:42 +0200 | [diff] [blame] | 111 | .name = "to", |
| 112 | .type = QEMU_OPT_NUMBER, |
| 113 | },{ |
| 114 | .name = "ipv4", |
| 115 | .type = QEMU_OPT_BOOL, |
| 116 | },{ |
| 117 | .name = "ipv6", |
| 118 | .type = QEMU_OPT_BOOL, |
| 119 | },{ |
| 120 | .name = "wait", |
| 121 | .type = QEMU_OPT_BOOL, |
| 122 | },{ |
| 123 | .name = "server", |
| 124 | .type = QEMU_OPT_BOOL, |
| 125 | },{ |
| 126 | .name = "delay", |
| 127 | .type = QEMU_OPT_BOOL, |
| 128 | },{ |
| 129 | .name = "telnet", |
| 130 | .type = QEMU_OPT_BOOL, |
Gerd Hoffmann | 6ea314d | 2009-09-10 10:58:49 +0200 | [diff] [blame] | 131 | },{ |
| 132 | .name = "width", |
| 133 | .type = QEMU_OPT_NUMBER, |
| 134 | },{ |
| 135 | .name = "height", |
| 136 | .type = QEMU_OPT_NUMBER, |
| 137 | },{ |
| 138 | .name = "cols", |
| 139 | .type = QEMU_OPT_NUMBER, |
| 140 | },{ |
| 141 | .name = "rows", |
| 142 | .type = QEMU_OPT_NUMBER, |
Gerd Hoffmann | c845f40 | 2009-09-10 10:58:52 +0200 | [diff] [blame] | 143 | },{ |
| 144 | .name = "mux", |
| 145 | .type = QEMU_OPT_BOOL, |
Kusanagi Kouichi | 5989020 | 2009-10-16 22:31:38 +0900 | [diff] [blame] | 146 | },{ |
| 147 | .name = "signal", |
| 148 | .type = QEMU_OPT_BOOL, |
Gerd Hoffmann | 7d31544 | 2009-09-10 10:58:36 +0200 | [diff] [blame] | 149 | }, |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 150 | { /* end if list */ } |
| 151 | }, |
| 152 | }; |
| 153 | |
Gerd Hoffmann | f31d07d | 2009-07-31 12:25:37 +0200 | [diff] [blame] | 154 | QemuOptsList qemu_device_opts = { |
| 155 | .name = "device", |
Markus Armbruster | 8212c64 | 2010-02-10 19:52:18 +0100 | [diff] [blame] | 156 | .implied_opt_name = "driver", |
Blue Swirl | 72cf2d4 | 2009-09-12 07:36:22 +0000 | [diff] [blame] | 157 | .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), |
Gerd Hoffmann | f31d07d | 2009-07-31 12:25:37 +0200 | [diff] [blame] | 158 | .desc = { |
| 159 | /* |
| 160 | * no elements => accept any |
| 161 | * sanity checking will happen later |
| 162 | * when setting device properties |
| 163 | */ |
| 164 | { /* end if list */ } |
| 165 | }, |
| 166 | }; |
| 167 | |
Mark McLoughlin | a1ea458 | 2009-10-08 19:58:26 +0100 | [diff] [blame] | 168 | QemuOptsList qemu_netdev_opts = { |
| 169 | .name = "netdev", |
Markus Armbruster | 8212c64 | 2010-02-10 19:52:18 +0100 | [diff] [blame] | 170 | .implied_opt_name = "type", |
Mark McLoughlin | a1ea458 | 2009-10-08 19:58:26 +0100 | [diff] [blame] | 171 | .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head), |
| 172 | .desc = { |
| 173 | /* |
| 174 | * no elements => accept any params |
| 175 | * validation will happen later |
| 176 | */ |
| 177 | { /* end of list */ } |
| 178 | }, |
| 179 | }; |
| 180 | |
Mark McLoughlin | 8119b33 | 2009-10-06 12:17:05 +0100 | [diff] [blame] | 181 | QemuOptsList qemu_net_opts = { |
| 182 | .name = "net", |
Markus Armbruster | 8212c64 | 2010-02-10 19:52:18 +0100 | [diff] [blame] | 183 | .implied_opt_name = "type", |
Mark McLoughlin | 8119b33 | 2009-10-06 12:17:05 +0100 | [diff] [blame] | 184 | .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head), |
| 185 | .desc = { |
| 186 | /* |
| 187 | * no elements => accept any params |
| 188 | * validation will happen later |
| 189 | */ |
| 190 | { /* end of list */ } |
| 191 | }, |
| 192 | }; |
| 193 | |
Jan Kiszka | 1ed2fc1 | 2009-09-15 13:36:04 +0200 | [diff] [blame] | 194 | QemuOptsList qemu_rtc_opts = { |
| 195 | .name = "rtc", |
| 196 | .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), |
| 197 | .desc = { |
| 198 | { |
| 199 | .name = "base", |
| 200 | .type = QEMU_OPT_STRING, |
Jan Kiszka | 6875204 | 2009-09-15 13:36:04 +0200 | [diff] [blame] | 201 | },{ |
| 202 | .name = "clock", |
| 203 | .type = QEMU_OPT_STRING, |
Jan Kiszka | 1ed2fc1 | 2009-09-15 13:36:04 +0200 | [diff] [blame] | 204 | #ifdef TARGET_I386 |
| 205 | },{ |
| 206 | .name = "driftfix", |
| 207 | .type = QEMU_OPT_STRING, |
| 208 | #endif |
| 209 | }, |
| 210 | { /* end if list */ } |
| 211 | }, |
| 212 | }; |
| 213 | |
Gerd Hoffmann | d0fef6f | 2009-12-08 13:11:34 +0100 | [diff] [blame] | 214 | QemuOptsList qemu_global_opts = { |
| 215 | .name = "global", |
| 216 | .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), |
| 217 | .desc = { |
| 218 | { |
| 219 | .name = "driver", |
| 220 | .type = QEMU_OPT_STRING, |
| 221 | },{ |
| 222 | .name = "property", |
| 223 | .type = QEMU_OPT_STRING, |
| 224 | },{ |
| 225 | .name = "value", |
| 226 | .type = QEMU_OPT_STRING, |
| 227 | }, |
| 228 | { /* end if list */ } |
| 229 | }, |
| 230 | }; |
| 231 | |
Gerd Hoffmann | 8858934 | 2009-12-08 13:11:50 +0100 | [diff] [blame] | 232 | QemuOptsList qemu_mon_opts = { |
| 233 | .name = "mon", |
Markus Armbruster | 8212c64 | 2010-02-10 19:52:18 +0100 | [diff] [blame] | 234 | .implied_opt_name = "chardev", |
Gerd Hoffmann | 8858934 | 2009-12-08 13:11:50 +0100 | [diff] [blame] | 235 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head), |
| 236 | .desc = { |
| 237 | { |
| 238 | .name = "mode", |
| 239 | .type = QEMU_OPT_STRING, |
| 240 | },{ |
| 241 | .name = "chardev", |
| 242 | .type = QEMU_OPT_STRING, |
| 243 | },{ |
| 244 | .name = "default", |
| 245 | .type = QEMU_OPT_BOOL, |
| 246 | }, |
| 247 | { /* end if list */ } |
| 248 | }, |
| 249 | }; |
| 250 | |
john cooper | b5ec5ce | 2010-02-20 11:14:59 -0600 | [diff] [blame] | 251 | QemuOptsList qemu_cpudef_opts = { |
| 252 | .name = "cpudef", |
| 253 | .head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head), |
| 254 | .desc = { |
| 255 | { |
| 256 | .name = "name", |
| 257 | .type = QEMU_OPT_STRING, |
| 258 | },{ |
| 259 | .name = "level", |
| 260 | .type = QEMU_OPT_NUMBER, |
| 261 | },{ |
| 262 | .name = "vendor", |
| 263 | .type = QEMU_OPT_STRING, |
| 264 | },{ |
| 265 | .name = "family", |
| 266 | .type = QEMU_OPT_NUMBER, |
| 267 | },{ |
| 268 | .name = "model", |
| 269 | .type = QEMU_OPT_NUMBER, |
| 270 | },{ |
| 271 | .name = "stepping", |
| 272 | .type = QEMU_OPT_NUMBER, |
| 273 | },{ |
| 274 | .name = "feature_edx", /* cpuid 0000_0001.edx */ |
| 275 | .type = QEMU_OPT_STRING, |
| 276 | },{ |
| 277 | .name = "feature_ecx", /* cpuid 0000_0001.ecx */ |
| 278 | .type = QEMU_OPT_STRING, |
| 279 | },{ |
| 280 | .name = "extfeature_edx", /* cpuid 8000_0001.edx */ |
| 281 | .type = QEMU_OPT_STRING, |
| 282 | },{ |
| 283 | .name = "extfeature_ecx", /* cpuid 8000_0001.ecx */ |
| 284 | .type = QEMU_OPT_STRING, |
| 285 | },{ |
| 286 | .name = "xlevel", |
| 287 | .type = QEMU_OPT_NUMBER, |
| 288 | },{ |
| 289 | .name = "model_id", |
| 290 | .type = QEMU_OPT_STRING, |
| 291 | },{ |
| 292 | .name = "vendor_override", |
| 293 | .type = QEMU_OPT_NUMBER, |
| 294 | }, |
| 295 | { /* end of list */ } |
| 296 | }, |
| 297 | }; |
| 298 | |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 299 | static QemuOptsList *vm_config_groups[] = { |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 300 | &qemu_drive_opts, |
Gerd Hoffmann | 191bc01 | 2009-09-10 10:58:35 +0200 | [diff] [blame] | 301 | &qemu_chardev_opts, |
Gerd Hoffmann | f31d07d | 2009-07-31 12:25:37 +0200 | [diff] [blame] | 302 | &qemu_device_opts, |
Mark McLoughlin | a1ea458 | 2009-10-08 19:58:26 +0100 | [diff] [blame] | 303 | &qemu_netdev_opts, |
Mark McLoughlin | 8119b33 | 2009-10-06 12:17:05 +0100 | [diff] [blame] | 304 | &qemu_net_opts, |
Jan Kiszka | 5fdfbf7 | 2009-10-06 12:16:50 +0100 | [diff] [blame] | 305 | &qemu_rtc_opts, |
Gerd Hoffmann | d0fef6f | 2009-12-08 13:11:34 +0100 | [diff] [blame] | 306 | &qemu_global_opts, |
Gerd Hoffmann | 8858934 | 2009-12-08 13:11:50 +0100 | [diff] [blame] | 307 | &qemu_mon_opts, |
john cooper | b5ec5ce | 2010-02-20 11:14:59 -0600 | [diff] [blame] | 308 | &qemu_cpudef_opts, |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 309 | NULL, |
| 310 | }; |
| 311 | |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 312 | static QemuOptsList *find_list(QemuOptsList **lists, const char *group) |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 313 | { |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 314 | int i; |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 315 | |
| 316 | for (i = 0; lists[i] != NULL; i++) { |
| 317 | if (strcmp(lists[i]->name, group) == 0) |
| 318 | break; |
| 319 | } |
| 320 | if (lists[i] == NULL) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 321 | error_report("there is no option group \"%s\"", group); |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 322 | } |
| 323 | return lists[i]; |
| 324 | } |
| 325 | |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 326 | QemuOptsList *qemu_find_opts(const char *group) |
| 327 | { |
| 328 | return find_list(vm_config_groups, group); |
| 329 | } |
| 330 | |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 331 | int qemu_set_option(const char *str) |
| 332 | { |
| 333 | char group[64], id[64], arg[64]; |
| 334 | QemuOptsList *list; |
| 335 | QemuOpts *opts; |
| 336 | int rc, offset; |
| 337 | |
| 338 | rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset); |
| 339 | if (rc < 3 || str[offset] != '=') { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 340 | error_report("can't parse: \"%s\"", str); |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 341 | return -1; |
| 342 | } |
| 343 | |
Markus Armbruster | 304329e | 2010-02-10 20:09:14 +0100 | [diff] [blame] | 344 | list = qemu_find_opts(group); |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 345 | if (list == NULL) { |
| 346 | return -1; |
| 347 | } |
| 348 | |
| 349 | opts = qemu_opts_find(list, id); |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 350 | if (!opts) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 351 | error_report("there is no %s \"%s\" defined", |
| 352 | list->name, id); |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 353 | return -1; |
| 354 | } |
| 355 | |
Mark McLoughlin | 3df04ac | 2009-09-23 11:24:05 +0100 | [diff] [blame] | 356 | if (qemu_opt_set(opts, arg, str+offset+1) == -1) { |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 357 | return -1; |
| 358 | } |
| 359 | return 0; |
| 360 | } |
| 361 | |
Gerd Hoffmann | d0fef6f | 2009-12-08 13:11:34 +0100 | [diff] [blame] | 362 | int qemu_global_option(const char *str) |
| 363 | { |
| 364 | char driver[64], property[64]; |
| 365 | QemuOpts *opts; |
| 366 | int rc, offset; |
| 367 | |
| 368 | rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset); |
| 369 | if (rc < 2 || str[offset] != '=') { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 370 | error_report("can't parse: \"%s\"", str); |
Gerd Hoffmann | d0fef6f | 2009-12-08 13:11:34 +0100 | [diff] [blame] | 371 | return -1; |
| 372 | } |
| 373 | |
| 374 | opts = qemu_opts_create(&qemu_global_opts, NULL, 0); |
| 375 | qemu_opt_set(opts, "driver", driver); |
| 376 | qemu_opt_set(opts, "property", property); |
| 377 | qemu_opt_set(opts, "value", str+offset+1); |
| 378 | return 0; |
| 379 | } |
| 380 | |
Gerd Hoffmann | 9d99339 | 2009-10-14 10:39:26 +0200 | [diff] [blame] | 381 | struct ConfigWriteData { |
| 382 | QemuOptsList *list; |
| 383 | FILE *fp; |
| 384 | }; |
| 385 | |
| 386 | static int config_write_opt(const char *name, const char *value, void *opaque) |
| 387 | { |
| 388 | struct ConfigWriteData *data = opaque; |
| 389 | |
| 390 | fprintf(data->fp, " %s = \"%s\"\n", name, value); |
| 391 | return 0; |
| 392 | } |
| 393 | |
| 394 | static int config_write_opts(QemuOpts *opts, void *opaque) |
| 395 | { |
| 396 | struct ConfigWriteData *data = opaque; |
| 397 | const char *id = qemu_opts_id(opts); |
| 398 | |
| 399 | if (id) { |
| 400 | fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id); |
| 401 | } else { |
| 402 | fprintf(data->fp, "[%s]\n", data->list->name); |
| 403 | } |
| 404 | qemu_opt_foreach(opts, config_write_opt, data, 0); |
| 405 | fprintf(data->fp, "\n"); |
| 406 | return 0; |
| 407 | } |
| 408 | |
| 409 | void qemu_config_write(FILE *fp) |
| 410 | { |
| 411 | struct ConfigWriteData data = { .fp = fp }; |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 412 | QemuOptsList **lists = vm_config_groups; |
Gerd Hoffmann | 9d99339 | 2009-10-14 10:39:26 +0200 | [diff] [blame] | 413 | int i; |
| 414 | |
| 415 | fprintf(fp, "# qemu config file\n\n"); |
| 416 | for (i = 0; lists[i] != NULL; i++) { |
| 417 | data.list = lists[i]; |
| 418 | qemu_opts_foreach(data.list, config_write_opts, &data, 0); |
| 419 | } |
| 420 | } |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 421 | |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 422 | int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname) |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 423 | { |
| 424 | char line[1024], group[64], id[64], arg[64], value[1024]; |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 425 | Location loc; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 426 | QemuOptsList *list = NULL; |
| 427 | QemuOpts *opts = NULL; |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 428 | int res = -1, lno = 0; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 429 | |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 430 | loc_push_none(&loc); |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 431 | while (fgets(line, sizeof(line), fp) != NULL) { |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 432 | loc_set_file(fname, ++lno); |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 433 | if (line[0] == '\n') { |
| 434 | /* skip empty lines */ |
| 435 | continue; |
| 436 | } |
| 437 | if (line[0] == '#') { |
| 438 | /* comment */ |
| 439 | continue; |
| 440 | } |
| 441 | if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) { |
| 442 | /* group with id */ |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 443 | list = find_list(lists, group); |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 444 | if (list == NULL) |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 445 | goto out; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 446 | opts = qemu_opts_create(list, id, 1); |
| 447 | continue; |
| 448 | } |
| 449 | if (sscanf(line, "[%63[^]]]", group) == 1) { |
| 450 | /* group without id */ |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 451 | list = find_list(lists, group); |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 452 | if (list == NULL) |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 453 | goto out; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 454 | opts = qemu_opts_create(list, NULL, 0); |
| 455 | continue; |
| 456 | } |
| 457 | if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) { |
| 458 | /* arg = value */ |
| 459 | if (opts == NULL) { |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 460 | error_report("no group defined"); |
| 461 | goto out; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 462 | } |
| 463 | if (qemu_opt_set(opts, arg, value) != 0) { |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 464 | goto out; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 465 | } |
| 466 | continue; |
| 467 | } |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 468 | error_report("parse error"); |
| 469 | goto out; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 470 | } |
Markus Armbruster | ef82516 | 2010-02-18 19:56:01 +0100 | [diff] [blame] | 471 | if (ferror(fp)) { |
| 472 | error_report("error reading file"); |
| 473 | goto out; |
| 474 | } |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 475 | res = 0; |
| 476 | out: |
| 477 | loc_pop(&loc); |
| 478 | return res; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 479 | } |
Kevin Wolf | dcfb093 | 2010-03-05 17:25:55 +0100 | [diff] [blame] | 480 | |
| 481 | int qemu_read_config_file(const char *filename) |
| 482 | { |
| 483 | FILE *f = fopen(filename, "r"); |
| 484 | if (f == NULL) { |
| 485 | return -errno; |
| 486 | } |
| 487 | |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 488 | if (qemu_config_parse(f, vm_config_groups, filename) != 0) { |
Kevin Wolf | dcfb093 | 2010-03-05 17:25:55 +0100 | [diff] [blame] | 489 | return -EINVAL; |
| 490 | } |
| 491 | fclose(f); |
| 492 | |
| 493 | return 0; |
| 494 | } |