blob: 436ab63b1694e77a008306767ffd24a8dc6bd6ee [file] [log] [blame]
Peter Maydellaafd7582016-01-29 17:49:55 +00001#include "qemu/osdep.h"
Max Reitz609f45e2018-06-14 21:14:28 +02002#include "block/qdict.h" /* for qdict_extract_subqdict() */
Markus Armbrustere688df62018-02-01 12:18:31 +01003#include "qapi/error.h"
Markus Armbruster112ed242018-02-26 17:13:27 -06004#include "qapi/qapi-commands-misc.h"
Paolo Bonzini37701412021-05-24 06:57:50 -04005#include "qapi/qmp/qerror.h"
Markus Armbruster452fcdb2018-02-01 12:18:39 +01006#include "qapi/qmp/qdict.h"
Markus Armbruster47e6b292018-02-01 12:18:38 +01007#include "qapi/qmp/qlist.h"
Paolo Bonzini1de7afc2012-12-17 18:20:00 +01008#include "qemu/error-report.h"
9#include "qemu/option.h"
10#include "qemu/config-file.h"
Gerd Hoffmann7282a032009-07-31 12:25:35 +020011
Gerd Hoffmann1ceaefb2015-05-29 14:37:54 +020012static QemuOptsList *vm_config_groups[48];
Kevin Wolfc5f30142016-10-06 11:33:17 +020013static QemuOptsList *drive_config_groups[5];
Gerd Hoffmannd058fe02009-07-31 12:25:36 +020014
Luiz Capitulino2ac20612012-03-28 14:14:17 -030015static QemuOptsList *find_list(QemuOptsList **lists, const char *group,
16 Error **errp)
Gerd Hoffmannd058fe02009-07-31 12:25:36 +020017{
Gerd Hoffmannddc97852009-10-14 10:39:25 +020018 int i;
Gerd Hoffmannd058fe02009-07-31 12:25:36 +020019
Paolo Bonzini632a8872021-05-18 09:08:17 -040020 qemu_load_module_for_opts(group);
Gerd Hoffmannd058fe02009-07-31 12:25:36 +020021 for (i = 0; lists[i] != NULL; i++) {
22 if (strcmp(lists[i]->name, group) == 0)
23 break;
24 }
25 if (lists[i] == NULL) {
Cole Robinsonf231b882014-03-21 19:42:26 -040026 error_setg(errp, "There is no option group '%s'", group);
Gerd Hoffmannddc97852009-10-14 10:39:25 +020027 }
28 return lists[i];
29}
30
Kevin Wolf490b6482010-03-05 18:21:56 +010031QemuOptsList *qemu_find_opts(const char *group)
32{
Luiz Capitulino2ac20612012-03-28 14:14:17 -030033 QemuOptsList *ret;
34 Error *local_err = NULL;
35
36 ret = find_list(vm_config_groups, group, &local_err);
Markus Armbruster84d18f02014-01-30 15:07:28 +010037 if (local_err) {
Markus Armbruster565f65d2015-02-12 13:55:05 +010038 error_report_err(local_err);
Luiz Capitulino2ac20612012-03-28 14:14:17 -030039 }
40
41 return ret;
Kevin Wolf490b6482010-03-05 18:21:56 +010042}
43
Paolo Bonzinie96e5ae2014-03-06 10:39:24 +010044QemuOpts *qemu_find_opts_singleton(const char *group)
45{
46 QemuOptsList *list;
47 QemuOpts *opts;
48
49 list = qemu_find_opts(group);
50 assert(list);
51 opts = qemu_opts_find(list, NULL);
52 if (!opts) {
53 opts = qemu_opts_create(list, NULL, 0, &error_abort);
54 }
55 return opts;
56}
57
Amos Kong1f8f9872013-04-25 17:50:35 +080058static CommandLineParameterInfoList *query_option_descs(const QemuOptDesc *desc)
59{
Eric Blake54aa3de2020-11-12 19:13:37 -060060 CommandLineParameterInfoList *param_list = NULL;
Amos Kong1f8f9872013-04-25 17:50:35 +080061 CommandLineParameterInfo *info;
62 int i;
63
64 for (i = 0; desc[i].name != NULL; i++) {
65 info = g_malloc0(sizeof(*info));
66 info->name = g_strdup(desc[i].name);
67
68 switch (desc[i].type) {
69 case QEMU_OPT_STRING:
70 info->type = COMMAND_LINE_PARAMETER_TYPE_STRING;
71 break;
72 case QEMU_OPT_BOOL:
73 info->type = COMMAND_LINE_PARAMETER_TYPE_BOOLEAN;
74 break;
75 case QEMU_OPT_NUMBER:
76 info->type = COMMAND_LINE_PARAMETER_TYPE_NUMBER;
77 break;
78 case QEMU_OPT_SIZE:
79 info->type = COMMAND_LINE_PARAMETER_TYPE_SIZE;
80 break;
81 }
82
83 if (desc[i].help) {
84 info->has_help = true;
85 info->help = g_strdup(desc[i].help);
86 }
Chunyan Liue36af942014-06-05 17:20:43 +080087 if (desc[i].def_value_str) {
88 info->has_q_default = true;
89 info->q_default = g_strdup(desc[i].def_value_str);
90 }
Amos Kong1f8f9872013-04-25 17:50:35 +080091
Eric Blake54aa3de2020-11-12 19:13:37 -060092 QAPI_LIST_PREPEND(param_list, info);
Amos Kong1f8f9872013-04-25 17:50:35 +080093 }
94
95 return param_list;
96}
97
Amos Kong968854c2013-11-09 12:15:47 +080098/* remove repeated entry from the info list */
99static void cleanup_infolist(CommandLineParameterInfoList *head)
100{
101 CommandLineParameterInfoList *pre_entry, *cur, *del_entry;
102
103 cur = head;
104 while (cur->next) {
105 pre_entry = head;
106 while (pre_entry != cur->next) {
107 if (!strcmp(pre_entry->value->name, cur->next->value->name)) {
108 del_entry = cur->next;
109 cur->next = cur->next->next;
Marc-André Lureaub11e20f2018-01-04 17:05:18 +0100110 del_entry->next = NULL;
111 qapi_free_CommandLineParameterInfoList(del_entry);
Amos Kong968854c2013-11-09 12:15:47 +0800112 break;
113 }
114 pre_entry = pre_entry->next;
115 }
116 cur = cur->next;
117 }
118}
119
120/* merge the description items of two parameter infolists */
121static void connect_infolist(CommandLineParameterInfoList *head,
122 CommandLineParameterInfoList *new)
123{
124 CommandLineParameterInfoList *cur;
125
126 cur = head;
127 while (cur->next) {
128 cur = cur->next;
129 }
130 cur->next = new;
131}
132
133/* access all the local QemuOptsLists for drive option */
134static CommandLineParameterInfoList *get_drive_infolist(void)
135{
136 CommandLineParameterInfoList *head = NULL, *cur;
137 int i;
138
139 for (i = 0; drive_config_groups[i] != NULL; i++) {
140 if (!head) {
141 head = query_option_descs(drive_config_groups[i]->desc);
142 } else {
143 cur = query_option_descs(drive_config_groups[i]->desc);
144 connect_infolist(head, cur);
145 }
146 }
147 cleanup_infolist(head);
148
149 return head;
150}
151
Marcel Apfelbaum0a7cf212015-04-01 19:47:21 +0300152/* restore machine options that are now machine's properties */
153static QemuOptsList machine_opts = {
154 .merge_lists = true,
155 .head = QTAILQ_HEAD_INITIALIZER(machine_opts.head),
156 .desc = {
157 {
158 .name = "type",
159 .type = QEMU_OPT_STRING,
160 .help = "emulated machine"
161 },{
162 .name = "accel",
163 .type = QEMU_OPT_STRING,
164 .help = "accelerator list",
165 },{
166 .name = "kernel_irqchip",
167 .type = QEMU_OPT_BOOL,
168 .help = "use KVM in-kernel irqchip",
169 },{
170 .name = "kvm_shadow_mem",
171 .type = QEMU_OPT_SIZE,
172 .help = "KVM shadow MMU size",
173 },{
174 .name = "kernel",
175 .type = QEMU_OPT_STRING,
176 .help = "Linux kernel image file",
177 },{
178 .name = "initrd",
179 .type = QEMU_OPT_STRING,
180 .help = "Linux initial ramdisk file",
181 },{
182 .name = "append",
183 .type = QEMU_OPT_STRING,
184 .help = "Linux kernel command line",
185 },{
186 .name = "dtb",
187 .type = QEMU_OPT_STRING,
188 .help = "Linux kernel device tree file",
189 },{
190 .name = "dumpdtb",
191 .type = QEMU_OPT_STRING,
192 .help = "Dump current dtb to a file and quit",
193 },{
194 .name = "phandle_start",
195 .type = QEMU_OPT_NUMBER,
196 .help = "The first phandle ID we may generate dynamically",
197 },{
198 .name = "dt_compatible",
199 .type = QEMU_OPT_STRING,
200 .help = "Overrides the \"compatible\" property of the dt root node",
201 },{
202 .name = "dump-guest-core",
203 .type = QEMU_OPT_BOOL,
204 .help = "Include guest memory in a core dump",
205 },{
206 .name = "mem-merge",
207 .type = QEMU_OPT_BOOL,
208 .help = "enable/disable memory merge support",
209 },{
210 .name = "usb",
211 .type = QEMU_OPT_BOOL,
212 .help = "Set on/off to enable/disable usb",
213 },{
214 .name = "firmware",
215 .type = QEMU_OPT_STRING,
216 .help = "firmware image",
217 },{
218 .name = "iommu",
219 .type = QEMU_OPT_BOOL,
220 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
221 },{
222 .name = "suppress-vmdesc",
223 .type = QEMU_OPT_BOOL,
224 .help = "Set on to disable self-describing migration",
Tony Krowiak5bcfa0c2015-10-12 11:36:21 -0400225 },{
226 .name = "aes-key-wrap",
227 .type = QEMU_OPT_BOOL,
228 .help = "enable/disable AES key wrapping using the CPACF wrapping key",
229 },{
230 .name = "dea-key-wrap",
231 .type = QEMU_OPT_BOOL,
232 .help = "enable/disable DEA key wrapping using the CPACF wrapping key",
Farhan Ali55597162016-12-15 13:44:29 -0500233 },{
234 .name = "loadparm",
235 .type = QEMU_OPT_STRING,
236 .help = "Up to 8 chars in set of [A-Za-z0-9. ](lower case chars"
237 " converted to upper case) to pass to machine"
238 " loader, boot manager, and guest kernel",
Marcel Apfelbaum0a7cf212015-04-01 19:47:21 +0300239 },
240 { /* End of list */ }
241 }
242};
243
Amos Kong1f8f9872013-04-25 17:50:35 +0800244CommandLineOptionInfoList *qmp_query_command_line_options(bool has_option,
245 const char *option,
246 Error **errp)
247{
Eric Blake54aa3de2020-11-12 19:13:37 -0600248 CommandLineOptionInfoList *conf_list = NULL;
Amos Kong1f8f9872013-04-25 17:50:35 +0800249 CommandLineOptionInfo *info;
250 int i;
251
252 for (i = 0; vm_config_groups[i] != NULL; i++) {
253 if (!has_option || !strcmp(option, vm_config_groups[i]->name)) {
254 info = g_malloc0(sizeof(*info));
255 info->option = g_strdup(vm_config_groups[i]->name);
Amos Kong968854c2013-11-09 12:15:47 +0800256 if (!strcmp("drive", vm_config_groups[i]->name)) {
257 info->parameters = get_drive_infolist();
258 } else {
259 info->parameters =
260 query_option_descs(vm_config_groups[i]->desc);
261 }
Eric Blake54aa3de2020-11-12 19:13:37 -0600262 QAPI_LIST_PREPEND(conf_list, info);
Amos Kong1f8f9872013-04-25 17:50:35 +0800263 }
264 }
265
Stefan Hajnoczi40e07372021-07-21 16:10:55 +0100266 if (!has_option || !strcmp(option, "machine")) {
267 info = g_malloc0(sizeof(*info));
268 info->option = g_strdup("machine");
269 info->parameters = query_option_descs(machine_opts.desc);
270 QAPI_LIST_PREPEND(conf_list, info);
271 }
272
Amos Kong1f8f9872013-04-25 17:50:35 +0800273 if (conf_list == NULL) {
274 error_setg(errp, "invalid option name: %s", option);
275 }
276
277 return conf_list;
278}
279
Luiz Capitulino60d56662012-03-28 14:16:37 -0300280QemuOptsList *qemu_find_opts_err(const char *group, Error **errp)
281{
282 return find_list(vm_config_groups, group, errp);
283}
284
Amos Kong968854c2013-11-09 12:15:47 +0800285void qemu_add_drive_opts(QemuOptsList *list)
286{
287 int entries, i;
288
289 entries = ARRAY_SIZE(drive_config_groups);
290 entries--; /* keep list NULL terminated */
291 for (i = 0; i < entries; i++) {
292 if (drive_config_groups[i] == NULL) {
293 drive_config_groups[i] = list;
294 return;
295 }
296 }
297 fprintf(stderr, "ran out of space in drive_config_groups");
298 abort();
299}
300
Gerd Hoffmanndfe795e2010-08-20 13:52:00 +0200301void qemu_add_opts(QemuOptsList *list)
302{
303 int entries, i;
304
305 entries = ARRAY_SIZE(vm_config_groups);
306 entries--; /* keep list NULL terminated */
307 for (i = 0; i < entries; i++) {
308 if (vm_config_groups[i] == NULL) {
309 vm_config_groups[i] = list;
310 return;
311 }
312 }
313 fprintf(stderr, "ran out of space in vm_config_groups");
314 abort();
315}
316
Gerd Hoffmann9d993392009-10-14 10:39:26 +0200317struct ConfigWriteData {
318 QemuOptsList *list;
319 FILE *fp;
320};
321
Markus Armbruster71df1d82015-03-12 08:40:25 +0100322static int config_write_opt(void *opaque, const char *name, const char *value,
323 Error **errp)
Gerd Hoffmann9d993392009-10-14 10:39:26 +0200324{
325 struct ConfigWriteData *data = opaque;
326
327 fprintf(data->fp, " %s = \"%s\"\n", name, value);
328 return 0;
329}
330
Markus Armbruster28d0de72015-03-13 13:35:14 +0100331static int config_write_opts(void *opaque, QemuOpts *opts, Error **errp)
Gerd Hoffmann9d993392009-10-14 10:39:26 +0200332{
333 struct ConfigWriteData *data = opaque;
334 const char *id = qemu_opts_id(opts);
335
336 if (id) {
337 fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
338 } else {
339 fprintf(data->fp, "[%s]\n", data->list->name);
340 }
Markus Armbruster71df1d82015-03-12 08:40:25 +0100341 qemu_opt_foreach(opts, config_write_opt, data, NULL);
Gerd Hoffmann9d993392009-10-14 10:39:26 +0200342 fprintf(data->fp, "\n");
343 return 0;
344}
345
346void qemu_config_write(FILE *fp)
347{
348 struct ConfigWriteData data = { .fp = fp };
Kevin Wolf490b6482010-03-05 18:21:56 +0100349 QemuOptsList **lists = vm_config_groups;
Gerd Hoffmann9d993392009-10-14 10:39:26 +0200350 int i;
351
352 fprintf(fp, "# qemu config file\n\n");
353 for (i = 0; lists[i] != NULL; i++) {
354 data.list = lists[i];
Markus Armbruster28d0de72015-03-13 13:35:14 +0100355 qemu_opts_foreach(data.list, config_write_opts, &data, NULL);
Gerd Hoffmann9d993392009-10-14 10:39:26 +0200356 }
357}
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200358
Eduardo Habkoste5766d62017-10-03 23:50:42 -0300359/* Returns number of config groups on success, -errno on error */
Paolo Bonzini37701412021-05-24 06:57:50 -0400360static int qemu_config_foreach(FILE *fp, QEMUConfigCB *cb, void *opaque,
361 const char *fname, Error **errp)
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200362{
Paolo Bonzini37701412021-05-24 06:57:50 -0400363 char line[1024], prev_group[64], group[64], arg[64], value[1024];
Markus Armbrustercf5a65a2010-02-18 19:48:33 +0100364 Location loc;
Luiz Capitulino2ac20612012-03-28 14:14:17 -0300365 Error *local_err = NULL;
Paolo Bonzini37701412021-05-24 06:57:50 -0400366 QDict *qdict = NULL;
Eduardo Habkoste5766d62017-10-03 23:50:42 -0300367 int res = -EINVAL, lno = 0;
368 int count = 0;
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200369
Markus Armbrustercf5a65a2010-02-18 19:48:33 +0100370 loc_push_none(&loc);
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200371 while (fgets(line, sizeof(line), fp) != NULL) {
Paolo Bonzini37701412021-05-24 06:57:50 -0400372 ++lno;
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200373 if (line[0] == '\n') {
374 /* skip empty lines */
375 continue;
376 }
377 if (line[0] == '#') {
378 /* comment */
379 continue;
380 }
Paolo Bonzini37701412021-05-24 06:57:50 -0400381 if (line[0] == '[') {
382 QDict *prev = qdict;
383 if (sscanf(line, "[%63s \"%63[^\"]\"]", group, value) == 2) {
384 qdict = qdict_new();
385 qdict_put_str(qdict, "id", value);
386 count++;
387 } else if (sscanf(line, "[%63[^]]]", group) == 1) {
388 qdict = qdict_new();
389 count++;
Luiz Capitulino2ac20612012-03-28 14:14:17 -0300390 }
Paolo Bonzini37701412021-05-24 06:57:50 -0400391 if (qdict != prev) {
392 if (prev) {
393 cb(prev_group, prev, opaque, &local_err);
394 qobject_unref(prev);
395 if (local_err) {
396 error_propagate(errp, local_err);
397 goto out;
398 }
399 }
400 strcpy(prev_group, group);
401 continue;
Luiz Capitulino2ac20612012-03-28 14:14:17 -0300402 }
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200403 }
Paolo Bonzini37701412021-05-24 06:57:50 -0400404 loc_set_file(fname, lno);
Eduardo Habkostd9f7e292015-04-08 14:57:31 -0300405 value[0] = '\0';
406 if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2 ||
407 sscanf(line, " %63s = \"\"", arg) == 1) {
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200408 /* arg = value */
Paolo Bonzini37701412021-05-24 06:57:50 -0400409 if (qdict == NULL) {
Paolo Bonzinif7544ed2021-02-26 12:08:16 -0500410 error_setg(errp, "no group defined");
Markus Armbrustercf5a65a2010-02-18 19:48:33 +0100411 goto out;
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200412 }
Paolo Bonzini37701412021-05-24 06:57:50 -0400413 qdict_put_str(qdict, arg, value);
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200414 continue;
415 }
Paolo Bonzinif7544ed2021-02-26 12:08:16 -0500416 error_setg(errp, "parse error");
Markus Armbrustercf5a65a2010-02-18 19:48:33 +0100417 goto out;
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200418 }
Markus Armbrusteref825162010-02-18 19:56:01 +0100419 if (ferror(fp)) {
Paolo Bonzinif7544ed2021-02-26 12:08:16 -0500420 loc_pop(&loc);
421 error_setg_errno(errp, errno, "Cannot read config file");
Paolo Bonzini461fea92021-07-05 19:14:37 +0200422 goto out_no_loc;
Markus Armbrusteref825162010-02-18 19:56:01 +0100423 }
Eduardo Habkoste5766d62017-10-03 23:50:42 -0300424 res = count;
Paolo Bonzini37701412021-05-24 06:57:50 -0400425 if (qdict) {
426 cb(group, qdict, opaque, errp);
Paolo Bonzini37701412021-05-24 06:57:50 -0400427 }
Paolo Bonzinie72f9522021-07-05 19:14:37 +0200428out:
Markus Armbrustercf5a65a2010-02-18 19:48:33 +0100429 loc_pop(&loc);
Paolo Bonzini461fea92021-07-05 19:14:37 +0200430out_no_loc:
Paolo Bonzinie72f9522021-07-05 19:14:37 +0200431 qobject_unref(qdict);
Markus Armbrustercf5a65a2010-02-18 19:48:33 +0100432 return res;
Gerd Hoffmann42262ba2009-10-14 10:39:27 +0200433}
Kevin Wolfdcfb0932010-03-05 17:25:55 +0100434
Paolo Bonzini37701412021-05-24 06:57:50 -0400435void qemu_config_do_parse(const char *group, QDict *qdict, void *opaque, Error **errp)
436{
437 QemuOptsList **lists = opaque;
Paolo Bonzini37701412021-05-24 06:57:50 -0400438 QemuOptsList *list;
Paolo Bonzini37701412021-05-24 06:57:50 -0400439
440 list = find_list(lists, group, errp);
441 if (!list) {
442 return;
443 }
444
Paolo Bonzinie7d85d92021-06-09 14:34:35 +0200445 qemu_opts_from_qdict(list, qdict, errp);
Paolo Bonzini37701412021-05-24 06:57:50 -0400446}
447
448int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname, Error **errp)
449{
450 return qemu_config_foreach(fp, qemu_config_do_parse, lists, fname, errp);
451}
452
453int qemu_read_config_file(const char *filename, QEMUConfigCB *cb, Error **errp)
Kevin Wolfdcfb0932010-03-05 17:25:55 +0100454{
455 FILE *f = fopen(filename, "r");
Kevin Wolf019e78b2010-05-17 10:36:47 +0200456 int ret;
457
Kevin Wolfdcfb0932010-03-05 17:25:55 +0100458 if (f == NULL) {
Paolo Bonzinif7544ed2021-02-26 12:08:16 -0500459 error_setg_file_open(errp, errno, filename);
Kevin Wolfdcfb0932010-03-05 17:25:55 +0100460 return -errno;
461 }
462
Paolo Bonzini37701412021-05-24 06:57:50 -0400463 ret = qemu_config_foreach(f, cb, vm_config_groups, filename, errp);
Kevin Wolfdcfb0932010-03-05 17:25:55 +0100464 fclose(f);
Eduardo Habkoste5766d62017-10-03 23:50:42 -0300465 return ret;
Kevin Wolfdcfb0932010-03-05 17:25:55 +0100466}
Max Reitzadf5c442013-12-20 19:28:05 +0100467
468static void config_parse_qdict_section(QDict *options, QemuOptsList *opts,
469 Error **errp)
470{
471 QemuOpts *subopts;
472 QDict *subqdict;
473 QList *list = NULL;
Max Reitzadf5c442013-12-20 19:28:05 +0100474 size_t orig_size, enum_size;
475 char *prefix;
476
477 prefix = g_strdup_printf("%s.", opts->name);
478 qdict_extract_subqdict(options, &subqdict, prefix);
479 g_free(prefix);
480 orig_size = qdict_size(subqdict);
481 if (!orig_size) {
482 goto out;
483 }
484
Markus Armbrusterc6ecec42020-07-07 18:05:35 +0200485 subopts = qemu_opts_create(opts, NULL, 0, errp);
486 if (!subopts) {
Max Reitzadf5c442013-12-20 19:28:05 +0100487 goto out;
488 }
489
Markus Armbruster668f62e2020-07-07 18:06:02 +0200490 if (!qemu_opts_absorb_qdict(subopts, subqdict, errp)) {
Max Reitzadf5c442013-12-20 19:28:05 +0100491 goto out;
492 }
493
494 enum_size = qdict_size(subqdict);
495 if (enum_size < orig_size && enum_size) {
496 error_setg(errp, "Unknown option '%s' for [%s]",
497 qdict_first(subqdict)->key, opts->name);
498 goto out;
499 }
500
501 if (enum_size) {
502 /* Multiple, enumerated sections */
503 QListEntry *list_entry;
504 unsigned i = 0;
505
506 /* Not required anymore */
507 qemu_opts_del(subopts);
508
509 qdict_array_split(subqdict, &list);
510 if (qdict_size(subqdict)) {
511 error_setg(errp, "Unused option '%s' for [%s]",
512 qdict_first(subqdict)->key, opts->name);
513 goto out;
514 }
515
516 QLIST_FOREACH_ENTRY(list, list_entry) {
Max Reitz7dc847e2018-02-24 16:40:29 +0100517 QDict *section = qobject_to(QDict, qlist_entry_obj(list_entry));
Max Reitzadf5c442013-12-20 19:28:05 +0100518 char *opt_name;
519
Max Reitzae39c4b2014-02-21 19:11:39 +0100520 if (!section) {
521 error_setg(errp, "[%s] section (index %u) does not consist of "
522 "keys", opts->name, i);
523 goto out;
524 }
525
Max Reitzadf5c442013-12-20 19:28:05 +0100526 opt_name = g_strdup_printf("%s.%u", opts->name, i++);
Markus Armbrusterc6ecec42020-07-07 18:05:35 +0200527 subopts = qemu_opts_create(opts, opt_name, 1, errp);
Max Reitzadf5c442013-12-20 19:28:05 +0100528 g_free(opt_name);
Markus Armbrusterc6ecec42020-07-07 18:05:35 +0200529 if (!subopts) {
Max Reitzadf5c442013-12-20 19:28:05 +0100530 goto out;
531 }
532
Markus Armbruster668f62e2020-07-07 18:06:02 +0200533 if (!qemu_opts_absorb_qdict(subopts, section, errp)) {
Max Reitzadf5c442013-12-20 19:28:05 +0100534 qemu_opts_del(subopts);
535 goto out;
536 }
537
538 if (qdict_size(section)) {
539 error_setg(errp, "[%s] section doesn't support the option '%s'",
540 opts->name, qdict_first(section)->key);
541 qemu_opts_del(subopts);
542 goto out;
543 }
544 }
545 }
546
547out:
Marc-André Lureaucb3e7f02018-04-19 17:01:43 +0200548 qobject_unref(subqdict);
549 qobject_unref(list);
Max Reitzadf5c442013-12-20 19:28:05 +0100550}
551
552void qemu_config_parse_qdict(QDict *options, QemuOptsList **lists,
553 Error **errp)
554{
555 int i;
556 Error *local_err = NULL;
557
558 for (i = 0; lists[i]; i++) {
559 config_parse_qdict_section(options, lists[i], &local_err);
Markus Armbruster84d18f02014-01-30 15:07:28 +0100560 if (local_err) {
Max Reitzadf5c442013-12-20 19:28:05 +0100561 error_propagate(errp, local_err);
562 return;
563 }
564 }
565}