error: New QERR_DUPLICATE_ID
[qemu/aliguori-queue.git] / qemu-config.c
blob150157ca7c5869a7c51c2ef21fbe098289061ea2
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"
8 QemuOptsList qemu_drive_opts = {
9 .name = "drive",
10 .head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
11 .desc = {
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 },{
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,
83 { /* end if list */ }
87 QemuOptsList qemu_chardev_opts = {
88 .name = "chardev",
89 .implied_opt_name = "backend",
90 .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
91 .desc = {
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,
102 .name = "port",
103 .type = QEMU_OPT_STRING,
105 .name = "localaddr",
106 .type = QEMU_OPT_STRING,
108 .name = "localport",
109 .type = QEMU_OPT_STRING,
111 .name = "to",
112 .type = QEMU_OPT_NUMBER,
114 .name = "ipv4",
115 .type = QEMU_OPT_BOOL,
117 .name = "ipv6",
118 .type = QEMU_OPT_BOOL,
120 .name = "wait",
121 .type = QEMU_OPT_BOOL,
123 .name = "server",
124 .type = QEMU_OPT_BOOL,
126 .name = "delay",
127 .type = QEMU_OPT_BOOL,
129 .name = "telnet",
130 .type = QEMU_OPT_BOOL,
132 .name = "width",
133 .type = QEMU_OPT_NUMBER,
135 .name = "height",
136 .type = QEMU_OPT_NUMBER,
138 .name = "cols",
139 .type = QEMU_OPT_NUMBER,
141 .name = "rows",
142 .type = QEMU_OPT_NUMBER,
144 .name = "mux",
145 .type = QEMU_OPT_BOOL,
147 .name = "signal",
148 .type = QEMU_OPT_BOOL,
150 { /* end if list */ }
154 QemuOptsList qemu_device_opts = {
155 .name = "device",
156 .implied_opt_name = "driver",
157 .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
158 .desc = {
160 * no elements => accept any
161 * sanity checking will happen later
162 * when setting device properties
164 { /* end if list */ }
168 QemuOptsList qemu_netdev_opts = {
169 .name = "netdev",
170 .implied_opt_name = "type",
171 .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
172 .desc = {
174 * no elements => accept any params
175 * validation will happen later
177 { /* end of list */ }
181 QemuOptsList qemu_net_opts = {
182 .name = "net",
183 .implied_opt_name = "type",
184 .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
185 .desc = {
187 * no elements => accept any params
188 * validation will happen later
190 { /* end of list */ }
194 QemuOptsList qemu_rtc_opts = {
195 .name = "rtc",
196 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
197 .desc = {
199 .name = "base",
200 .type = QEMU_OPT_STRING,
202 .name = "clock",
203 .type = QEMU_OPT_STRING,
204 #ifdef TARGET_I386
206 .name = "driftfix",
207 .type = QEMU_OPT_STRING,
208 #endif
210 { /* end if list */ }
214 QemuOptsList qemu_global_opts = {
215 .name = "global",
216 .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
217 .desc = {
219 .name = "driver",
220 .type = QEMU_OPT_STRING,
222 .name = "property",
223 .type = QEMU_OPT_STRING,
225 .name = "value",
226 .type = QEMU_OPT_STRING,
228 { /* end if list */ }
232 QemuOptsList qemu_mon_opts = {
233 .name = "mon",
234 .implied_opt_name = "chardev",
235 .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
236 .desc = {
238 .name = "mode",
239 .type = QEMU_OPT_STRING,
241 .name = "chardev",
242 .type = QEMU_OPT_STRING,
244 .name = "default",
245 .type = QEMU_OPT_BOOL,
247 { /* end if list */ }
251 QemuOptsList qemu_cpudef_opts = {
252 .name = "cpudef",
253 .head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
254 .desc = {
256 .name = "name",
257 .type = QEMU_OPT_STRING,
259 .name = "level",
260 .type = QEMU_OPT_NUMBER,
262 .name = "vendor",
263 .type = QEMU_OPT_STRING,
265 .name = "family",
266 .type = QEMU_OPT_NUMBER,
268 .name = "model",
269 .type = QEMU_OPT_NUMBER,
271 .name = "stepping",
272 .type = QEMU_OPT_NUMBER,
274 .name = "feature_edx", /* cpuid 0000_0001.edx */
275 .type = QEMU_OPT_STRING,
277 .name = "feature_ecx", /* cpuid 0000_0001.ecx */
278 .type = QEMU_OPT_STRING,
280 .name = "extfeature_edx", /* cpuid 8000_0001.edx */
281 .type = QEMU_OPT_STRING,
283 .name = "extfeature_ecx", /* cpuid 8000_0001.ecx */
284 .type = QEMU_OPT_STRING,
286 .name = "xlevel",
287 .type = QEMU_OPT_NUMBER,
289 .name = "model_id",
290 .type = QEMU_OPT_STRING,
292 .name = "vendor_override",
293 .type = QEMU_OPT_NUMBER,
295 { /* end of list */ }
299 static QemuOptsList *lists[] = {
300 &qemu_drive_opts,
301 &qemu_chardev_opts,
302 &qemu_device_opts,
303 &qemu_netdev_opts,
304 &qemu_net_opts,
305 &qemu_rtc_opts,
306 &qemu_global_opts,
307 &qemu_mon_opts,
308 &qemu_cpudef_opts,
309 NULL,
312 QemuOptsList *qemu_find_opts(const char *group)
314 int i;
316 for (i = 0; lists[i] != NULL; i++) {
317 if (strcmp(lists[i]->name, group) == 0)
318 break;
320 if (lists[i] == NULL) {
321 error_report("there is no option group \"%s\"", group);
323 return lists[i];
326 int qemu_set_option(const char *str)
328 char group[64], id[64], arg[64];
329 QemuOptsList *list;
330 QemuOpts *opts;
331 int rc, offset;
333 rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
334 if (rc < 3 || str[offset] != '=') {
335 error_report("can't parse: \"%s\"", str);
336 return -1;
339 list = qemu_find_opts(group);
340 if (list == NULL) {
341 return -1;
344 opts = qemu_opts_find(list, id);
345 if (!opts) {
346 error_report("there is no %s \"%s\" defined",
347 list->name, id);
348 return -1;
351 if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
352 return -1;
354 return 0;
357 int qemu_global_option(const char *str)
359 char driver[64], property[64];
360 QemuOpts *opts;
361 int rc, offset;
363 rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
364 if (rc < 2 || str[offset] != '=') {
365 error_report("can't parse: \"%s\"", str);
366 return -1;
369 opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
370 qemu_opt_set(opts, "driver", driver);
371 qemu_opt_set(opts, "property", property);
372 qemu_opt_set(opts, "value", str+offset+1);
373 return 0;
376 static int qemu_add_one_global(QemuOpts *opts, void *opaque)
378 GlobalProperty *g;
380 g = qemu_mallocz(sizeof(*g));
381 g->driver = qemu_opt_get(opts, "driver");
382 g->property = qemu_opt_get(opts, "property");
383 g->value = qemu_opt_get(opts, "value");
384 qdev_prop_register_global(g);
385 return 0;
388 void qemu_add_globals(void)
390 qemu_opts_foreach(&qemu_global_opts, qemu_add_one_global, NULL, 0);
393 struct ConfigWriteData {
394 QemuOptsList *list;
395 FILE *fp;
398 static int config_write_opt(const char *name, const char *value, void *opaque)
400 struct ConfigWriteData *data = opaque;
402 fprintf(data->fp, " %s = \"%s\"\n", name, value);
403 return 0;
406 static int config_write_opts(QemuOpts *opts, void *opaque)
408 struct ConfigWriteData *data = opaque;
409 const char *id = qemu_opts_id(opts);
411 if (id) {
412 fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
413 } else {
414 fprintf(data->fp, "[%s]\n", data->list->name);
416 qemu_opt_foreach(opts, config_write_opt, data, 0);
417 fprintf(data->fp, "\n");
418 return 0;
421 void qemu_config_write(FILE *fp)
423 struct ConfigWriteData data = { .fp = fp };
424 int i;
426 fprintf(fp, "# qemu config file\n\n");
427 for (i = 0; lists[i] != NULL; i++) {
428 data.list = lists[i];
429 qemu_opts_foreach(data.list, config_write_opts, &data, 0);
433 int qemu_config_parse(FILE *fp, const char *fname)
435 char line[1024], group[64], id[64], arg[64], value[1024];
436 Location loc;
437 QemuOptsList *list = NULL;
438 QemuOpts *opts = NULL;
439 int res = -1, lno = 0;
441 loc_push_none(&loc);
442 while (fgets(line, sizeof(line), fp) != NULL) {
443 loc_set_file(fname, ++lno);
444 if (line[0] == '\n') {
445 /* skip empty lines */
446 continue;
448 if (line[0] == '#') {
449 /* comment */
450 continue;
452 if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
453 /* group with id */
454 list = qemu_find_opts(group);
455 if (list == NULL)
456 goto out;
457 opts = qemu_opts_create(list, id, 1);
458 continue;
460 if (sscanf(line, "[%63[^]]]", group) == 1) {
461 /* group without id */
462 list = qemu_find_opts(group);
463 if (list == NULL)
464 goto out;
465 opts = qemu_opts_create(list, NULL, 0);
466 continue;
468 if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
469 /* arg = value */
470 if (opts == NULL) {
471 error_report("no group defined");
472 goto out;
474 if (qemu_opt_set(opts, arg, value) != 0) {
475 error_report("failed to set \"%s\" for %s", arg, group);
476 goto out;
478 continue;
480 error_report("parse error");
481 goto out;
483 if (ferror(fp)) {
484 error_report("error reading file");
485 goto out;
487 res = 0;
488 out:
489 loc_pop(&loc);
490 return res;