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1 | #include "qemu-common.h" | |
2 | #include "qemu-error.h" | |
3 | #include "qemu-option.h" | |
4 | #include "qemu-config.h" | |
5 | #include "sysemu.h" | |
6 | #include "hw/qdev.h" | |
7 | ||
8 | static QemuOptsList qemu_drive_opts = { | |
9 | .name = "drive", | |
10 | .head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head), | |
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, unsafe)", | |
58 | },{ | |
59 | .name = "aio", | |
60 | .type = QEMU_OPT_STRING, | |
61 | .help = "host AIO implementation (threads, native)", | |
62 | },{ | |
63 | .name = "format", | |
64 | .type = QEMU_OPT_STRING, | |
65 | .help = "disk format (raw, qcow2, ...)", | |
66 | },{ | |
67 | .name = "serial", | |
68 | .type = QEMU_OPT_STRING, | |
69 | },{ | |
70 | .name = "rerror", | |
71 | .type = QEMU_OPT_STRING, | |
72 | },{ | |
73 | .name = "werror", | |
74 | .type = QEMU_OPT_STRING, | |
75 | },{ | |
76 | .name = "addr", | |
77 | .type = QEMU_OPT_STRING, | |
78 | .help = "pci address (virtio only)", | |
79 | },{ | |
80 | .name = "readonly", | |
81 | .type = QEMU_OPT_BOOL, | |
82 | }, | |
83 | { /* end of list */ } | |
84 | }, | |
85 | }; | |
86 | ||
87 | static QemuOptsList qemu_chardev_opts = { | |
88 | .name = "chardev", | |
89 | .implied_opt_name = "backend", | |
90 | .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), | |
91 | .desc = { | |
92 | { | |
93 | .name = "backend", | |
94 | .type = QEMU_OPT_STRING, | |
95 | },{ | |
96 | .name = "path", | |
97 | .type = QEMU_OPT_STRING, | |
98 | },{ | |
99 | .name = "host", | |
100 | .type = QEMU_OPT_STRING, | |
101 | },{ | |
102 | .name = "port", | |
103 | .type = QEMU_OPT_STRING, | |
104 | },{ | |
105 | .name = "localaddr", | |
106 | .type = QEMU_OPT_STRING, | |
107 | },{ | |
108 | .name = "localport", | |
109 | .type = QEMU_OPT_STRING, | |
110 | },{ | |
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, | |
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, | |
143 | },{ | |
144 | .name = "mux", | |
145 | .type = QEMU_OPT_BOOL, | |
146 | },{ | |
147 | .name = "signal", | |
148 | .type = QEMU_OPT_BOOL, | |
149 | },{ | |
150 | .name = "name", | |
151 | .type = QEMU_OPT_STRING, | |
152 | },{ | |
153 | .name = "debug", | |
154 | .type = QEMU_OPT_NUMBER, | |
155 | }, | |
156 | { /* end of list */ } | |
157 | }, | |
158 | }; | |
159 | ||
160 | QemuOptsList qemu_fsdev_opts = { | |
161 | .name = "fsdev", | |
162 | .implied_opt_name = "fstype", | |
163 | .head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head), | |
164 | .desc = { | |
165 | { | |
166 | .name = "fstype", | |
167 | .type = QEMU_OPT_STRING, | |
168 | }, { | |
169 | .name = "path", | |
170 | .type = QEMU_OPT_STRING, | |
171 | }, { | |
172 | .name = "security_model", | |
173 | .type = QEMU_OPT_STRING, | |
174 | }, | |
175 | { /*End of list */ } | |
176 | }, | |
177 | }; | |
178 | ||
179 | QemuOptsList qemu_virtfs_opts = { | |
180 | .name = "virtfs", | |
181 | .implied_opt_name = "fstype", | |
182 | .head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head), | |
183 | .desc = { | |
184 | { | |
185 | .name = "fstype", | |
186 | .type = QEMU_OPT_STRING, | |
187 | }, { | |
188 | .name = "path", | |
189 | .type = QEMU_OPT_STRING, | |
190 | }, { | |
191 | .name = "mount_tag", | |
192 | .type = QEMU_OPT_STRING, | |
193 | }, { | |
194 | .name = "security_model", | |
195 | .type = QEMU_OPT_STRING, | |
196 | }, | |
197 | ||
198 | { /*End of list */ } | |
199 | }, | |
200 | }; | |
201 | ||
202 | static QemuOptsList qemu_device_opts = { | |
203 | .name = "device", | |
204 | .implied_opt_name = "driver", | |
205 | .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), | |
206 | .desc = { | |
207 | /* | |
208 | * no elements => accept any | |
209 | * sanity checking will happen later | |
210 | * when setting device properties | |
211 | */ | |
212 | { /* end of list */ } | |
213 | }, | |
214 | }; | |
215 | ||
216 | static QemuOptsList qemu_netdev_opts = { | |
217 | .name = "netdev", | |
218 | .implied_opt_name = "type", | |
219 | .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head), | |
220 | .desc = { | |
221 | /* | |
222 | * no elements => accept any params | |
223 | * validation will happen later | |
224 | */ | |
225 | { /* end of list */ } | |
226 | }, | |
227 | }; | |
228 | ||
229 | static QemuOptsList qemu_net_opts = { | |
230 | .name = "net", | |
231 | .implied_opt_name = "type", | |
232 | .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head), | |
233 | .desc = { | |
234 | /* | |
235 | * no elements => accept any params | |
236 | * validation will happen later | |
237 | */ | |
238 | { /* end of list */ } | |
239 | }, | |
240 | }; | |
241 | ||
242 | static QemuOptsList qemu_rtc_opts = { | |
243 | .name = "rtc", | |
244 | .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), | |
245 | .desc = { | |
246 | { | |
247 | .name = "base", | |
248 | .type = QEMU_OPT_STRING, | |
249 | },{ | |
250 | .name = "clock", | |
251 | .type = QEMU_OPT_STRING, | |
252 | },{ | |
253 | .name = "driftfix", | |
254 | .type = QEMU_OPT_STRING, | |
255 | }, | |
256 | { /* end of list */ } | |
257 | }, | |
258 | }; | |
259 | ||
260 | static QemuOptsList qemu_global_opts = { | |
261 | .name = "global", | |
262 | .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), | |
263 | .desc = { | |
264 | { | |
265 | .name = "driver", | |
266 | .type = QEMU_OPT_STRING, | |
267 | },{ | |
268 | .name = "property", | |
269 | .type = QEMU_OPT_STRING, | |
270 | },{ | |
271 | .name = "value", | |
272 | .type = QEMU_OPT_STRING, | |
273 | }, | |
274 | { /* end of list */ } | |
275 | }, | |
276 | }; | |
277 | ||
278 | static QemuOptsList qemu_mon_opts = { | |
279 | .name = "mon", | |
280 | .implied_opt_name = "chardev", | |
281 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head), | |
282 | .desc = { | |
283 | { | |
284 | .name = "mode", | |
285 | .type = QEMU_OPT_STRING, | |
286 | },{ | |
287 | .name = "chardev", | |
288 | .type = QEMU_OPT_STRING, | |
289 | },{ | |
290 | .name = "default", | |
291 | .type = QEMU_OPT_BOOL, | |
292 | },{ | |
293 | .name = "pretty", | |
294 | .type = QEMU_OPT_BOOL, | |
295 | }, | |
296 | { /* end of list */ } | |
297 | }, | |
298 | }; | |
299 | ||
300 | #ifdef CONFIG_SIMPLE_TRACE | |
301 | static QemuOptsList qemu_trace_opts = { | |
302 | .name = "trace", | |
303 | .implied_opt_name = "trace", | |
304 | .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head), | |
305 | .desc = { | |
306 | { | |
307 | .name = "file", | |
308 | .type = QEMU_OPT_STRING, | |
309 | }, | |
310 | { /* end if list */ } | |
311 | }, | |
312 | }; | |
313 | #endif | |
314 | ||
315 | static QemuOptsList qemu_cpudef_opts = { | |
316 | .name = "cpudef", | |
317 | .head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head), | |
318 | .desc = { | |
319 | { | |
320 | .name = "name", | |
321 | .type = QEMU_OPT_STRING, | |
322 | },{ | |
323 | .name = "level", | |
324 | .type = QEMU_OPT_NUMBER, | |
325 | },{ | |
326 | .name = "vendor", | |
327 | .type = QEMU_OPT_STRING, | |
328 | },{ | |
329 | .name = "family", | |
330 | .type = QEMU_OPT_NUMBER, | |
331 | },{ | |
332 | .name = "model", | |
333 | .type = QEMU_OPT_NUMBER, | |
334 | },{ | |
335 | .name = "stepping", | |
336 | .type = QEMU_OPT_NUMBER, | |
337 | },{ | |
338 | .name = "feature_edx", /* cpuid 0000_0001.edx */ | |
339 | .type = QEMU_OPT_STRING, | |
340 | },{ | |
341 | .name = "feature_ecx", /* cpuid 0000_0001.ecx */ | |
342 | .type = QEMU_OPT_STRING, | |
343 | },{ | |
344 | .name = "extfeature_edx", /* cpuid 8000_0001.edx */ | |
345 | .type = QEMU_OPT_STRING, | |
346 | },{ | |
347 | .name = "extfeature_ecx", /* cpuid 8000_0001.ecx */ | |
348 | .type = QEMU_OPT_STRING, | |
349 | },{ | |
350 | .name = "xlevel", | |
351 | .type = QEMU_OPT_NUMBER, | |
352 | },{ | |
353 | .name = "model_id", | |
354 | .type = QEMU_OPT_STRING, | |
355 | },{ | |
356 | .name = "vendor_override", | |
357 | .type = QEMU_OPT_NUMBER, | |
358 | }, | |
359 | { /* end of list */ } | |
360 | }, | |
361 | }; | |
362 | ||
363 | QemuOptsList qemu_spice_opts = { | |
364 | .name = "spice", | |
365 | .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), | |
366 | .desc = { | |
367 | { | |
368 | .name = "port", | |
369 | .type = QEMU_OPT_NUMBER, | |
370 | },{ | |
371 | .name = "tls-port", | |
372 | .type = QEMU_OPT_NUMBER, | |
373 | },{ | |
374 | .name = "addr", | |
375 | .type = QEMU_OPT_STRING, | |
376 | },{ | |
377 | .name = "ipv4", | |
378 | .type = QEMU_OPT_BOOL, | |
379 | },{ | |
380 | .name = "ipv6", | |
381 | .type = QEMU_OPT_BOOL, | |
382 | },{ | |
383 | .name = "password", | |
384 | .type = QEMU_OPT_STRING, | |
385 | },{ | |
386 | .name = "disable-ticketing", | |
387 | .type = QEMU_OPT_BOOL, | |
388 | },{ | |
389 | .name = "x509-dir", | |
390 | .type = QEMU_OPT_STRING, | |
391 | },{ | |
392 | .name = "x509-key-file", | |
393 | .type = QEMU_OPT_STRING, | |
394 | },{ | |
395 | .name = "x509-key-password", | |
396 | .type = QEMU_OPT_STRING, | |
397 | },{ | |
398 | .name = "x509-cert-file", | |
399 | .type = QEMU_OPT_STRING, | |
400 | },{ | |
401 | .name = "x509-cacert-file", | |
402 | .type = QEMU_OPT_STRING, | |
403 | },{ | |
404 | .name = "x509-dh-key-file", | |
405 | .type = QEMU_OPT_STRING, | |
406 | },{ | |
407 | .name = "tls-ciphers", | |
408 | .type = QEMU_OPT_STRING, | |
409 | },{ | |
410 | .name = "tls-channel", | |
411 | .type = QEMU_OPT_STRING, | |
412 | },{ | |
413 | .name = "plaintext-channel", | |
414 | .type = QEMU_OPT_STRING, | |
415 | },{ | |
416 | .name = "image-compression", | |
417 | .type = QEMU_OPT_STRING, | |
418 | },{ | |
419 | .name = "jpeg-wan-compression", | |
420 | .type = QEMU_OPT_STRING, | |
421 | },{ | |
422 | .name = "zlib-glz-wan-compression", | |
423 | .type = QEMU_OPT_STRING, | |
424 | },{ | |
425 | .name = "streaming-video", | |
426 | .type = QEMU_OPT_STRING, | |
427 | },{ | |
428 | .name = "agent-mouse", | |
429 | .type = QEMU_OPT_BOOL, | |
430 | },{ | |
431 | .name = "playback-compression", | |
432 | .type = QEMU_OPT_BOOL, | |
433 | }, | |
434 | { /* end if list */ } | |
435 | }, | |
436 | }; | |
437 | ||
438 | QemuOptsList qemu_option_rom_opts = { | |
439 | .name = "option-rom", | |
440 | .implied_opt_name = "romfile", | |
441 | .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), | |
442 | .desc = { | |
443 | { | |
444 | .name = "bootindex", | |
445 | .type = QEMU_OPT_NUMBER, | |
446 | }, { | |
447 | .name = "romfile", | |
448 | .type = QEMU_OPT_STRING, | |
449 | }, | |
450 | { /* end if list */ } | |
451 | }, | |
452 | }; | |
453 | ||
454 | static QemuOptsList *vm_config_groups[32] = { | |
455 | &qemu_drive_opts, | |
456 | &qemu_chardev_opts, | |
457 | &qemu_device_opts, | |
458 | &qemu_netdev_opts, | |
459 | &qemu_net_opts, | |
460 | &qemu_rtc_opts, | |
461 | &qemu_global_opts, | |
462 | &qemu_mon_opts, | |
463 | &qemu_cpudef_opts, | |
464 | #ifdef CONFIG_SIMPLE_TRACE | |
465 | &qemu_trace_opts, | |
466 | #endif | |
467 | &qemu_option_rom_opts, | |
468 | NULL, | |
469 | }; | |
470 | ||
471 | static QemuOptsList *find_list(QemuOptsList **lists, const char *group) | |
472 | { | |
473 | int i; | |
474 | ||
475 | for (i = 0; lists[i] != NULL; i++) { | |
476 | if (strcmp(lists[i]->name, group) == 0) | |
477 | break; | |
478 | } | |
479 | if (lists[i] == NULL) { | |
480 | error_report("there is no option group \"%s\"", group); | |
481 | } | |
482 | return lists[i]; | |
483 | } | |
484 | ||
485 | QemuOptsList *qemu_find_opts(const char *group) | |
486 | { | |
487 | return find_list(vm_config_groups, group); | |
488 | } | |
489 | ||
490 | void qemu_add_opts(QemuOptsList *list) | |
491 | { | |
492 | int entries, i; | |
493 | ||
494 | entries = ARRAY_SIZE(vm_config_groups); | |
495 | entries--; /* keep list NULL terminated */ | |
496 | for (i = 0; i < entries; i++) { | |
497 | if (vm_config_groups[i] == NULL) { | |
498 | vm_config_groups[i] = list; | |
499 | return; | |
500 | } | |
501 | } | |
502 | fprintf(stderr, "ran out of space in vm_config_groups"); | |
503 | abort(); | |
504 | } | |
505 | ||
506 | int qemu_set_option(const char *str) | |
507 | { | |
508 | char group[64], id[64], arg[64]; | |
509 | QemuOptsList *list; | |
510 | QemuOpts *opts; | |
511 | int rc, offset; | |
512 | ||
513 | rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset); | |
514 | if (rc < 3 || str[offset] != '=') { | |
515 | error_report("can't parse: \"%s\"", str); | |
516 | return -1; | |
517 | } | |
518 | ||
519 | list = qemu_find_opts(group); | |
520 | if (list == NULL) { | |
521 | return -1; | |
522 | } | |
523 | ||
524 | opts = qemu_opts_find(list, id); | |
525 | if (!opts) { | |
526 | error_report("there is no %s \"%s\" defined", | |
527 | list->name, id); | |
528 | return -1; | |
529 | } | |
530 | ||
531 | if (qemu_opt_set(opts, arg, str+offset+1) == -1) { | |
532 | return -1; | |
533 | } | |
534 | return 0; | |
535 | } | |
536 | ||
537 | int qemu_global_option(const char *str) | |
538 | { | |
539 | char driver[64], property[64]; | |
540 | QemuOpts *opts; | |
541 | int rc, offset; | |
542 | ||
543 | rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset); | |
544 | if (rc < 2 || str[offset] != '=') { | |
545 | error_report("can't parse: \"%s\"", str); | |
546 | return -1; | |
547 | } | |
548 | ||
549 | opts = qemu_opts_create(&qemu_global_opts, NULL, 0); | |
550 | qemu_opt_set(opts, "driver", driver); | |
551 | qemu_opt_set(opts, "property", property); | |
552 | qemu_opt_set(opts, "value", str+offset+1); | |
553 | return 0; | |
554 | } | |
555 | ||
556 | struct ConfigWriteData { | |
557 | QemuOptsList *list; | |
558 | FILE *fp; | |
559 | }; | |
560 | ||
561 | static int config_write_opt(const char *name, const char *value, void *opaque) | |
562 | { | |
563 | struct ConfigWriteData *data = opaque; | |
564 | ||
565 | fprintf(data->fp, " %s = \"%s\"\n", name, value); | |
566 | return 0; | |
567 | } | |
568 | ||
569 | static int config_write_opts(QemuOpts *opts, void *opaque) | |
570 | { | |
571 | struct ConfigWriteData *data = opaque; | |
572 | const char *id = qemu_opts_id(opts); | |
573 | ||
574 | if (id) { | |
575 | fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id); | |
576 | } else { | |
577 | fprintf(data->fp, "[%s]\n", data->list->name); | |
578 | } | |
579 | qemu_opt_foreach(opts, config_write_opt, data, 0); | |
580 | fprintf(data->fp, "\n"); | |
581 | return 0; | |
582 | } | |
583 | ||
584 | void qemu_config_write(FILE *fp) | |
585 | { | |
586 | struct ConfigWriteData data = { .fp = fp }; | |
587 | QemuOptsList **lists = vm_config_groups; | |
588 | int i; | |
589 | ||
590 | fprintf(fp, "# qemu config file\n\n"); | |
591 | for (i = 0; lists[i] != NULL; i++) { | |
592 | data.list = lists[i]; | |
593 | qemu_opts_foreach(data.list, config_write_opts, &data, 0); | |
594 | } | |
595 | } | |
596 | ||
597 | int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname) | |
598 | { | |
599 | char line[1024], group[64], id[64], arg[64], value[1024]; | |
600 | Location loc; | |
601 | QemuOptsList *list = NULL; | |
602 | QemuOpts *opts = NULL; | |
603 | int res = -1, lno = 0; | |
604 | ||
605 | loc_push_none(&loc); | |
606 | while (fgets(line, sizeof(line), fp) != NULL) { | |
607 | loc_set_file(fname, ++lno); | |
608 | if (line[0] == '\n') { | |
609 | /* skip empty lines */ | |
610 | continue; | |
611 | } | |
612 | if (line[0] == '#') { | |
613 | /* comment */ | |
614 | continue; | |
615 | } | |
616 | if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) { | |
617 | /* group with id */ | |
618 | list = find_list(lists, group); | |
619 | if (list == NULL) | |
620 | goto out; | |
621 | opts = qemu_opts_create(list, id, 1); | |
622 | continue; | |
623 | } | |
624 | if (sscanf(line, "[%63[^]]]", group) == 1) { | |
625 | /* group without id */ | |
626 | list = find_list(lists, group); | |
627 | if (list == NULL) | |
628 | goto out; | |
629 | opts = qemu_opts_create(list, NULL, 0); | |
630 | continue; | |
631 | } | |
632 | if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) { | |
633 | /* arg = value */ | |
634 | if (opts == NULL) { | |
635 | error_report("no group defined"); | |
636 | goto out; | |
637 | } | |
638 | if (qemu_opt_set(opts, arg, value) != 0) { | |
639 | goto out; | |
640 | } | |
641 | continue; | |
642 | } | |
643 | error_report("parse error"); | |
644 | goto out; | |
645 | } | |
646 | if (ferror(fp)) { | |
647 | error_report("error reading file"); | |
648 | goto out; | |
649 | } | |
650 | res = 0; | |
651 | out: | |
652 | loc_pop(&loc); | |
653 | return res; | |
654 | } | |
655 | ||
656 | int qemu_read_config_file(const char *filename) | |
657 | { | |
658 | FILE *f = fopen(filename, "r"); | |
659 | int ret; | |
660 | ||
661 | if (f == NULL) { | |
662 | return -errno; | |
663 | } | |
664 | ||
665 | ret = qemu_config_parse(f, vm_config_groups, filename); | |
666 | fclose(f); | |
667 | ||
668 | if (ret == 0) { | |
669 | return 0; | |
670 | } else { | |
671 | return -EINVAL; | |
672 | } | |
673 | } |