Peter Maydell | aafd758 | 2016-01-29 17:49:55 +0000 | [diff] [blame] | 1 | #include "qemu/osdep.h" |
Markus Armbruster | e688df6 | 2018-02-01 12:18:31 +0100 | [diff] [blame^] | 2 | #include "qapi/error.h" |
Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 3 | #include "qemu-common.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 4 | #include "qemu/error-report.h" |
| 5 | #include "qemu/option.h" |
| 6 | #include "qemu/config-file.h" |
Amos Kong | 1f8f987 | 2013-04-25 17:50:35 +0800 | [diff] [blame] | 7 | #include "qmp-commands.h" |
Gerd Hoffmann | 7282a03 | 2009-07-31 12:25:35 +0200 | [diff] [blame] | 8 | |
Gerd Hoffmann | 1ceaefb | 2015-05-29 14:37:54 +0200 | [diff] [blame] | 9 | static QemuOptsList *vm_config_groups[48]; |
Kevin Wolf | c5f3014 | 2016-10-06 11:33:17 +0200 | [diff] [blame] | 10 | static QemuOptsList *drive_config_groups[5]; |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 11 | |
Luiz Capitulino | 2ac2061 | 2012-03-28 14:14:17 -0300 | [diff] [blame] | 12 | static QemuOptsList *find_list(QemuOptsList **lists, const char *group, |
| 13 | Error **errp) |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 14 | { |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 15 | int i; |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 16 | |
| 17 | for (i = 0; lists[i] != NULL; i++) { |
| 18 | if (strcmp(lists[i]->name, group) == 0) |
| 19 | break; |
| 20 | } |
| 21 | if (lists[i] == NULL) { |
Cole Robinson | f231b88 | 2014-03-21 19:42:26 -0400 | [diff] [blame] | 22 | error_setg(errp, "There is no option group '%s'", group); |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 23 | } |
| 24 | return lists[i]; |
| 25 | } |
| 26 | |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 27 | QemuOptsList *qemu_find_opts(const char *group) |
| 28 | { |
Luiz Capitulino | 2ac2061 | 2012-03-28 14:14:17 -0300 | [diff] [blame] | 29 | QemuOptsList *ret; |
| 30 | Error *local_err = NULL; |
| 31 | |
| 32 | ret = find_list(vm_config_groups, group, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 33 | if (local_err) { |
Markus Armbruster | 565f65d | 2015-02-12 13:55:05 +0100 | [diff] [blame] | 34 | error_report_err(local_err); |
Luiz Capitulino | 2ac2061 | 2012-03-28 14:14:17 -0300 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | return ret; |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 38 | } |
| 39 | |
Paolo Bonzini | e96e5ae | 2014-03-06 10:39:24 +0100 | [diff] [blame] | 40 | QemuOpts *qemu_find_opts_singleton(const char *group) |
| 41 | { |
| 42 | QemuOptsList *list; |
| 43 | QemuOpts *opts; |
| 44 | |
| 45 | list = qemu_find_opts(group); |
| 46 | assert(list); |
| 47 | opts = qemu_opts_find(list, NULL); |
| 48 | if (!opts) { |
| 49 | opts = qemu_opts_create(list, NULL, 0, &error_abort); |
| 50 | } |
| 51 | return opts; |
| 52 | } |
| 53 | |
Amos Kong | 1f8f987 | 2013-04-25 17:50:35 +0800 | [diff] [blame] | 54 | static CommandLineParameterInfoList *query_option_descs(const QemuOptDesc *desc) |
| 55 | { |
| 56 | CommandLineParameterInfoList *param_list = NULL, *entry; |
| 57 | CommandLineParameterInfo *info; |
| 58 | int i; |
| 59 | |
| 60 | for (i = 0; desc[i].name != NULL; i++) { |
| 61 | info = g_malloc0(sizeof(*info)); |
| 62 | info->name = g_strdup(desc[i].name); |
| 63 | |
| 64 | switch (desc[i].type) { |
| 65 | case QEMU_OPT_STRING: |
| 66 | info->type = COMMAND_LINE_PARAMETER_TYPE_STRING; |
| 67 | break; |
| 68 | case QEMU_OPT_BOOL: |
| 69 | info->type = COMMAND_LINE_PARAMETER_TYPE_BOOLEAN; |
| 70 | break; |
| 71 | case QEMU_OPT_NUMBER: |
| 72 | info->type = COMMAND_LINE_PARAMETER_TYPE_NUMBER; |
| 73 | break; |
| 74 | case QEMU_OPT_SIZE: |
| 75 | info->type = COMMAND_LINE_PARAMETER_TYPE_SIZE; |
| 76 | break; |
| 77 | } |
| 78 | |
| 79 | if (desc[i].help) { |
| 80 | info->has_help = true; |
| 81 | info->help = g_strdup(desc[i].help); |
| 82 | } |
Chunyan Liu | e36af94 | 2014-06-05 17:20:43 +0800 | [diff] [blame] | 83 | if (desc[i].def_value_str) { |
| 84 | info->has_q_default = true; |
| 85 | info->q_default = g_strdup(desc[i].def_value_str); |
| 86 | } |
Amos Kong | 1f8f987 | 2013-04-25 17:50:35 +0800 | [diff] [blame] | 87 | |
| 88 | entry = g_malloc0(sizeof(*entry)); |
| 89 | entry->value = info; |
| 90 | entry->next = param_list; |
| 91 | param_list = entry; |
| 92 | } |
| 93 | |
| 94 | return param_list; |
| 95 | } |
| 96 | |
Amos Kong | 968854c | 2013-11-09 12:15:47 +0800 | [diff] [blame] | 97 | /* remove repeated entry from the info list */ |
| 98 | static void cleanup_infolist(CommandLineParameterInfoList *head) |
| 99 | { |
| 100 | CommandLineParameterInfoList *pre_entry, *cur, *del_entry; |
| 101 | |
| 102 | cur = head; |
| 103 | while (cur->next) { |
| 104 | pre_entry = head; |
| 105 | while (pre_entry != cur->next) { |
| 106 | if (!strcmp(pre_entry->value->name, cur->next->value->name)) { |
| 107 | del_entry = cur->next; |
| 108 | cur->next = cur->next->next; |
Marc-André Lureau | b11e20f | 2018-01-04 17:05:18 +0100 | [diff] [blame] | 109 | del_entry->next = NULL; |
| 110 | qapi_free_CommandLineParameterInfoList(del_entry); |
Amos Kong | 968854c | 2013-11-09 12:15:47 +0800 | [diff] [blame] | 111 | break; |
| 112 | } |
| 113 | pre_entry = pre_entry->next; |
| 114 | } |
| 115 | cur = cur->next; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | /* merge the description items of two parameter infolists */ |
| 120 | static void connect_infolist(CommandLineParameterInfoList *head, |
| 121 | CommandLineParameterInfoList *new) |
| 122 | { |
| 123 | CommandLineParameterInfoList *cur; |
| 124 | |
| 125 | cur = head; |
| 126 | while (cur->next) { |
| 127 | cur = cur->next; |
| 128 | } |
| 129 | cur->next = new; |
| 130 | } |
| 131 | |
| 132 | /* access all the local QemuOptsLists for drive option */ |
| 133 | static CommandLineParameterInfoList *get_drive_infolist(void) |
| 134 | { |
| 135 | CommandLineParameterInfoList *head = NULL, *cur; |
| 136 | int i; |
| 137 | |
| 138 | for (i = 0; drive_config_groups[i] != NULL; i++) { |
| 139 | if (!head) { |
| 140 | head = query_option_descs(drive_config_groups[i]->desc); |
| 141 | } else { |
| 142 | cur = query_option_descs(drive_config_groups[i]->desc); |
| 143 | connect_infolist(head, cur); |
| 144 | } |
| 145 | } |
| 146 | cleanup_infolist(head); |
| 147 | |
| 148 | return head; |
| 149 | } |
| 150 | |
Marcel Apfelbaum | 0a7cf21 | 2015-04-01 19:47:21 +0300 | [diff] [blame] | 151 | /* restore machine options that are now machine's properties */ |
| 152 | static QemuOptsList machine_opts = { |
| 153 | .merge_lists = true, |
| 154 | .head = QTAILQ_HEAD_INITIALIZER(machine_opts.head), |
| 155 | .desc = { |
| 156 | { |
| 157 | .name = "type", |
| 158 | .type = QEMU_OPT_STRING, |
| 159 | .help = "emulated machine" |
| 160 | },{ |
| 161 | .name = "accel", |
| 162 | .type = QEMU_OPT_STRING, |
| 163 | .help = "accelerator list", |
| 164 | },{ |
| 165 | .name = "kernel_irqchip", |
| 166 | .type = QEMU_OPT_BOOL, |
| 167 | .help = "use KVM in-kernel irqchip", |
| 168 | },{ |
| 169 | .name = "kvm_shadow_mem", |
| 170 | .type = QEMU_OPT_SIZE, |
| 171 | .help = "KVM shadow MMU size", |
| 172 | },{ |
| 173 | .name = "kernel", |
| 174 | .type = QEMU_OPT_STRING, |
| 175 | .help = "Linux kernel image file", |
| 176 | },{ |
| 177 | .name = "initrd", |
| 178 | .type = QEMU_OPT_STRING, |
| 179 | .help = "Linux initial ramdisk file", |
| 180 | },{ |
| 181 | .name = "append", |
| 182 | .type = QEMU_OPT_STRING, |
| 183 | .help = "Linux kernel command line", |
| 184 | },{ |
| 185 | .name = "dtb", |
| 186 | .type = QEMU_OPT_STRING, |
| 187 | .help = "Linux kernel device tree file", |
| 188 | },{ |
| 189 | .name = "dumpdtb", |
| 190 | .type = QEMU_OPT_STRING, |
| 191 | .help = "Dump current dtb to a file and quit", |
| 192 | },{ |
| 193 | .name = "phandle_start", |
| 194 | .type = QEMU_OPT_NUMBER, |
| 195 | .help = "The first phandle ID we may generate dynamically", |
| 196 | },{ |
| 197 | .name = "dt_compatible", |
| 198 | .type = QEMU_OPT_STRING, |
| 199 | .help = "Overrides the \"compatible\" property of the dt root node", |
| 200 | },{ |
| 201 | .name = "dump-guest-core", |
| 202 | .type = QEMU_OPT_BOOL, |
| 203 | .help = "Include guest memory in a core dump", |
| 204 | },{ |
| 205 | .name = "mem-merge", |
| 206 | .type = QEMU_OPT_BOOL, |
| 207 | .help = "enable/disable memory merge support", |
| 208 | },{ |
| 209 | .name = "usb", |
| 210 | .type = QEMU_OPT_BOOL, |
| 211 | .help = "Set on/off to enable/disable usb", |
| 212 | },{ |
| 213 | .name = "firmware", |
| 214 | .type = QEMU_OPT_STRING, |
| 215 | .help = "firmware image", |
| 216 | },{ |
| 217 | .name = "iommu", |
| 218 | .type = QEMU_OPT_BOOL, |
| 219 | .help = "Set on/off to enable/disable Intel IOMMU (VT-d)", |
| 220 | },{ |
| 221 | .name = "suppress-vmdesc", |
| 222 | .type = QEMU_OPT_BOOL, |
| 223 | .help = "Set on to disable self-describing migration", |
Tony Krowiak | 5bcfa0c | 2015-10-12 11:36:21 -0400 | [diff] [blame] | 224 | },{ |
| 225 | .name = "aes-key-wrap", |
| 226 | .type = QEMU_OPT_BOOL, |
| 227 | .help = "enable/disable AES key wrapping using the CPACF wrapping key", |
| 228 | },{ |
| 229 | .name = "dea-key-wrap", |
| 230 | .type = QEMU_OPT_BOOL, |
| 231 | .help = "enable/disable DEA key wrapping using the CPACF wrapping key", |
Farhan Ali | 5559716 | 2016-12-15 13:44:29 -0500 | [diff] [blame] | 232 | },{ |
| 233 | .name = "loadparm", |
| 234 | .type = QEMU_OPT_STRING, |
| 235 | .help = "Up to 8 chars in set of [A-Za-z0-9. ](lower case chars" |
| 236 | " converted to upper case) to pass to machine" |
| 237 | " loader, boot manager, and guest kernel", |
Marcel Apfelbaum | 0a7cf21 | 2015-04-01 19:47:21 +0300 | [diff] [blame] | 238 | }, |
| 239 | { /* End of list */ } |
| 240 | } |
| 241 | }; |
| 242 | |
Amos Kong | 1f8f987 | 2013-04-25 17:50:35 +0800 | [diff] [blame] | 243 | CommandLineOptionInfoList *qmp_query_command_line_options(bool has_option, |
| 244 | const char *option, |
| 245 | Error **errp) |
| 246 | { |
| 247 | CommandLineOptionInfoList *conf_list = NULL, *entry; |
| 248 | CommandLineOptionInfo *info; |
| 249 | int i; |
| 250 | |
| 251 | for (i = 0; vm_config_groups[i] != NULL; i++) { |
| 252 | if (!has_option || !strcmp(option, vm_config_groups[i]->name)) { |
| 253 | info = g_malloc0(sizeof(*info)); |
| 254 | info->option = g_strdup(vm_config_groups[i]->name); |
Amos Kong | 968854c | 2013-11-09 12:15:47 +0800 | [diff] [blame] | 255 | if (!strcmp("drive", vm_config_groups[i]->name)) { |
| 256 | info->parameters = get_drive_infolist(); |
Marcel Apfelbaum | 0a7cf21 | 2015-04-01 19:47:21 +0300 | [diff] [blame] | 257 | } else if (!strcmp("machine", vm_config_groups[i]->name)) { |
| 258 | info->parameters = query_option_descs(machine_opts.desc); |
Amos Kong | 968854c | 2013-11-09 12:15:47 +0800 | [diff] [blame] | 259 | } else { |
| 260 | info->parameters = |
| 261 | query_option_descs(vm_config_groups[i]->desc); |
| 262 | } |
Amos Kong | 1f8f987 | 2013-04-25 17:50:35 +0800 | [diff] [blame] | 263 | entry = g_malloc0(sizeof(*entry)); |
| 264 | entry->value = info; |
| 265 | entry->next = conf_list; |
| 266 | conf_list = entry; |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | if (conf_list == NULL) { |
| 271 | error_setg(errp, "invalid option name: %s", option); |
| 272 | } |
| 273 | |
| 274 | return conf_list; |
| 275 | } |
| 276 | |
Luiz Capitulino | 60d5666 | 2012-03-28 14:16:37 -0300 | [diff] [blame] | 277 | QemuOptsList *qemu_find_opts_err(const char *group, Error **errp) |
| 278 | { |
| 279 | return find_list(vm_config_groups, group, errp); |
| 280 | } |
| 281 | |
Amos Kong | 968854c | 2013-11-09 12:15:47 +0800 | [diff] [blame] | 282 | void qemu_add_drive_opts(QemuOptsList *list) |
| 283 | { |
| 284 | int entries, i; |
| 285 | |
| 286 | entries = ARRAY_SIZE(drive_config_groups); |
| 287 | entries--; /* keep list NULL terminated */ |
| 288 | for (i = 0; i < entries; i++) { |
| 289 | if (drive_config_groups[i] == NULL) { |
| 290 | drive_config_groups[i] = list; |
| 291 | return; |
| 292 | } |
| 293 | } |
| 294 | fprintf(stderr, "ran out of space in drive_config_groups"); |
| 295 | abort(); |
| 296 | } |
| 297 | |
Gerd Hoffmann | dfe795e | 2010-08-20 13:52:00 +0200 | [diff] [blame] | 298 | void qemu_add_opts(QemuOptsList *list) |
| 299 | { |
| 300 | int entries, i; |
| 301 | |
| 302 | entries = ARRAY_SIZE(vm_config_groups); |
| 303 | entries--; /* keep list NULL terminated */ |
| 304 | for (i = 0; i < entries; i++) { |
| 305 | if (vm_config_groups[i] == NULL) { |
| 306 | vm_config_groups[i] = list; |
| 307 | return; |
| 308 | } |
| 309 | } |
| 310 | fprintf(stderr, "ran out of space in vm_config_groups"); |
| 311 | abort(); |
| 312 | } |
| 313 | |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 314 | int qemu_set_option(const char *str) |
| 315 | { |
Markus Armbruster | f43e47d | 2015-02-12 17:52:20 +0100 | [diff] [blame] | 316 | Error *local_err = NULL; |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 317 | char group[64], id[64], arg[64]; |
| 318 | QemuOptsList *list; |
| 319 | QemuOpts *opts; |
| 320 | int rc, offset; |
| 321 | |
| 322 | rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset); |
| 323 | if (rc < 3 || str[offset] != '=') { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 324 | error_report("can't parse: \"%s\"", str); |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 325 | return -1; |
| 326 | } |
| 327 | |
Markus Armbruster | 304329e | 2010-02-10 20:09:14 +0100 | [diff] [blame] | 328 | list = qemu_find_opts(group); |
Gerd Hoffmann | ddc9785 | 2009-10-14 10:39:25 +0200 | [diff] [blame] | 329 | if (list == NULL) { |
| 330 | return -1; |
| 331 | } |
| 332 | |
| 333 | opts = qemu_opts_find(list, id); |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 334 | if (!opts) { |
Markus Armbruster | 1ecda02 | 2010-02-18 17:25:24 +0100 | [diff] [blame] | 335 | error_report("there is no %s \"%s\" defined", |
| 336 | list->name, id); |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 337 | return -1; |
| 338 | } |
| 339 | |
Markus Armbruster | f43e47d | 2015-02-12 17:52:20 +0100 | [diff] [blame] | 340 | qemu_opt_set(opts, arg, str + offset + 1, &local_err); |
| 341 | if (local_err) { |
| 342 | error_report_err(local_err); |
Gerd Hoffmann | d058fe0 | 2009-07-31 12:25:36 +0200 | [diff] [blame] | 343 | return -1; |
| 344 | } |
| 345 | return 0; |
| 346 | } |
| 347 | |
Gerd Hoffmann | 9d99339 | 2009-10-14 10:39:26 +0200 | [diff] [blame] | 348 | struct ConfigWriteData { |
| 349 | QemuOptsList *list; |
| 350 | FILE *fp; |
| 351 | }; |
| 352 | |
Markus Armbruster | 71df1d8 | 2015-03-12 08:40:25 +0100 | [diff] [blame] | 353 | static int config_write_opt(void *opaque, const char *name, const char *value, |
| 354 | Error **errp) |
Gerd Hoffmann | 9d99339 | 2009-10-14 10:39:26 +0200 | [diff] [blame] | 355 | { |
| 356 | struct ConfigWriteData *data = opaque; |
| 357 | |
| 358 | fprintf(data->fp, " %s = \"%s\"\n", name, value); |
| 359 | return 0; |
| 360 | } |
| 361 | |
Markus Armbruster | 28d0de7 | 2015-03-13 13:35:14 +0100 | [diff] [blame] | 362 | static int config_write_opts(void *opaque, QemuOpts *opts, Error **errp) |
Gerd Hoffmann | 9d99339 | 2009-10-14 10:39:26 +0200 | [diff] [blame] | 363 | { |
| 364 | struct ConfigWriteData *data = opaque; |
| 365 | const char *id = qemu_opts_id(opts); |
| 366 | |
| 367 | if (id) { |
| 368 | fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id); |
| 369 | } else { |
| 370 | fprintf(data->fp, "[%s]\n", data->list->name); |
| 371 | } |
Markus Armbruster | 71df1d8 | 2015-03-12 08:40:25 +0100 | [diff] [blame] | 372 | qemu_opt_foreach(opts, config_write_opt, data, NULL); |
Gerd Hoffmann | 9d99339 | 2009-10-14 10:39:26 +0200 | [diff] [blame] | 373 | fprintf(data->fp, "\n"); |
| 374 | return 0; |
| 375 | } |
| 376 | |
| 377 | void qemu_config_write(FILE *fp) |
| 378 | { |
| 379 | struct ConfigWriteData data = { .fp = fp }; |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 380 | QemuOptsList **lists = vm_config_groups; |
Gerd Hoffmann | 9d99339 | 2009-10-14 10:39:26 +0200 | [diff] [blame] | 381 | int i; |
| 382 | |
| 383 | fprintf(fp, "# qemu config file\n\n"); |
| 384 | for (i = 0; lists[i] != NULL; i++) { |
| 385 | data.list = lists[i]; |
Markus Armbruster | 28d0de7 | 2015-03-13 13:35:14 +0100 | [diff] [blame] | 386 | qemu_opts_foreach(data.list, config_write_opts, &data, NULL); |
Gerd Hoffmann | 9d99339 | 2009-10-14 10:39:26 +0200 | [diff] [blame] | 387 | } |
| 388 | } |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 389 | |
Eduardo Habkost | e5766d6 | 2017-10-03 23:50:42 -0300 | [diff] [blame] | 390 | /* Returns number of config groups on success, -errno on error */ |
Kevin Wolf | 490b648 | 2010-03-05 18:21:56 +0100 | [diff] [blame] | 391 | int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname) |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 392 | { |
| 393 | char line[1024], group[64], id[64], arg[64], value[1024]; |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 394 | Location loc; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 395 | QemuOptsList *list = NULL; |
Luiz Capitulino | 2ac2061 | 2012-03-28 14:14:17 -0300 | [diff] [blame] | 396 | Error *local_err = NULL; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 397 | QemuOpts *opts = NULL; |
Eduardo Habkost | e5766d6 | 2017-10-03 23:50:42 -0300 | [diff] [blame] | 398 | int res = -EINVAL, lno = 0; |
| 399 | int count = 0; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 400 | |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 401 | loc_push_none(&loc); |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 402 | while (fgets(line, sizeof(line), fp) != NULL) { |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 403 | loc_set_file(fname, ++lno); |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 404 | if (line[0] == '\n') { |
| 405 | /* skip empty lines */ |
| 406 | continue; |
| 407 | } |
| 408 | if (line[0] == '#') { |
| 409 | /* comment */ |
| 410 | continue; |
| 411 | } |
| 412 | if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) { |
| 413 | /* group with id */ |
Luiz Capitulino | 2ac2061 | 2012-03-28 14:14:17 -0300 | [diff] [blame] | 414 | list = find_list(lists, group, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 415 | if (local_err) { |
Markus Armbruster | 565f65d | 2015-02-12 13:55:05 +0100 | [diff] [blame] | 416 | error_report_err(local_err); |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 417 | goto out; |
Luiz Capitulino | 2ac2061 | 2012-03-28 14:14:17 -0300 | [diff] [blame] | 418 | } |
Luiz Capitulino | 8be7e7e | 2012-03-20 15:51:57 -0300 | [diff] [blame] | 419 | opts = qemu_opts_create(list, id, 1, NULL); |
Eduardo Habkost | e5766d6 | 2017-10-03 23:50:42 -0300 | [diff] [blame] | 420 | count++; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 421 | continue; |
| 422 | } |
| 423 | if (sscanf(line, "[%63[^]]]", group) == 1) { |
| 424 | /* group without id */ |
Luiz Capitulino | 2ac2061 | 2012-03-28 14:14:17 -0300 | [diff] [blame] | 425 | list = find_list(lists, group, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 426 | if (local_err) { |
Markus Armbruster | 565f65d | 2015-02-12 13:55:05 +0100 | [diff] [blame] | 427 | error_report_err(local_err); |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 428 | goto out; |
Luiz Capitulino | 2ac2061 | 2012-03-28 14:14:17 -0300 | [diff] [blame] | 429 | } |
Peter Crosthwaite | 87ea75d | 2014-01-01 18:49:17 -0800 | [diff] [blame] | 430 | opts = qemu_opts_create(list, NULL, 0, &error_abort); |
Eduardo Habkost | e5766d6 | 2017-10-03 23:50:42 -0300 | [diff] [blame] | 431 | count++; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 432 | continue; |
| 433 | } |
Eduardo Habkost | d9f7e29 | 2015-04-08 14:57:31 -0300 | [diff] [blame] | 434 | value[0] = '\0'; |
| 435 | if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2 || |
| 436 | sscanf(line, " %63s = \"\"", arg) == 1) { |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 437 | /* arg = value */ |
| 438 | if (opts == NULL) { |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 439 | error_report("no group defined"); |
| 440 | goto out; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 441 | } |
Markus Armbruster | f43e47d | 2015-02-12 17:52:20 +0100 | [diff] [blame] | 442 | qemu_opt_set(opts, arg, value, &local_err); |
| 443 | if (local_err) { |
| 444 | error_report_err(local_err); |
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 | } |
| 447 | continue; |
| 448 | } |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 449 | error_report("parse error"); |
| 450 | goto out; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 451 | } |
Markus Armbruster | ef82516 | 2010-02-18 19:56:01 +0100 | [diff] [blame] | 452 | if (ferror(fp)) { |
| 453 | error_report("error reading file"); |
| 454 | goto out; |
| 455 | } |
Eduardo Habkost | e5766d6 | 2017-10-03 23:50:42 -0300 | [diff] [blame] | 456 | res = count; |
Markus Armbruster | cf5a65a | 2010-02-18 19:48:33 +0100 | [diff] [blame] | 457 | out: |
| 458 | loc_pop(&loc); |
| 459 | return res; |
Gerd Hoffmann | 42262ba | 2009-10-14 10:39:27 +0200 | [diff] [blame] | 460 | } |
Kevin Wolf | dcfb093 | 2010-03-05 17:25:55 +0100 | [diff] [blame] | 461 | |
| 462 | int qemu_read_config_file(const char *filename) |
| 463 | { |
| 464 | FILE *f = fopen(filename, "r"); |
Kevin Wolf | 019e78b | 2010-05-17 10:36:47 +0200 | [diff] [blame] | 465 | int ret; |
| 466 | |
Kevin Wolf | dcfb093 | 2010-03-05 17:25:55 +0100 | [diff] [blame] | 467 | if (f == NULL) { |
| 468 | return -errno; |
| 469 | } |
| 470 | |
Kevin Wolf | 019e78b | 2010-05-17 10:36:47 +0200 | [diff] [blame] | 471 | ret = qemu_config_parse(f, vm_config_groups, filename); |
Kevin Wolf | dcfb093 | 2010-03-05 17:25:55 +0100 | [diff] [blame] | 472 | fclose(f); |
Eduardo Habkost | e5766d6 | 2017-10-03 23:50:42 -0300 | [diff] [blame] | 473 | return ret; |
Kevin Wolf | dcfb093 | 2010-03-05 17:25:55 +0100 | [diff] [blame] | 474 | } |
Max Reitz | adf5c44 | 2013-12-20 19:28:05 +0100 | [diff] [blame] | 475 | |
| 476 | static void config_parse_qdict_section(QDict *options, QemuOptsList *opts, |
| 477 | Error **errp) |
| 478 | { |
| 479 | QemuOpts *subopts; |
| 480 | QDict *subqdict; |
| 481 | QList *list = NULL; |
| 482 | Error *local_err = NULL; |
| 483 | size_t orig_size, enum_size; |
| 484 | char *prefix; |
| 485 | |
| 486 | prefix = g_strdup_printf("%s.", opts->name); |
| 487 | qdict_extract_subqdict(options, &subqdict, prefix); |
| 488 | g_free(prefix); |
| 489 | orig_size = qdict_size(subqdict); |
| 490 | if (!orig_size) { |
| 491 | goto out; |
| 492 | } |
| 493 | |
| 494 | subopts = qemu_opts_create(opts, NULL, 0, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 495 | if (local_err) { |
Max Reitz | adf5c44 | 2013-12-20 19:28:05 +0100 | [diff] [blame] | 496 | error_propagate(errp, local_err); |
| 497 | goto out; |
| 498 | } |
| 499 | |
| 500 | qemu_opts_absorb_qdict(subopts, subqdict, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 501 | if (local_err) { |
Max Reitz | adf5c44 | 2013-12-20 19:28:05 +0100 | [diff] [blame] | 502 | error_propagate(errp, local_err); |
| 503 | goto out; |
| 504 | } |
| 505 | |
| 506 | enum_size = qdict_size(subqdict); |
| 507 | if (enum_size < orig_size && enum_size) { |
| 508 | error_setg(errp, "Unknown option '%s' for [%s]", |
| 509 | qdict_first(subqdict)->key, opts->name); |
| 510 | goto out; |
| 511 | } |
| 512 | |
| 513 | if (enum_size) { |
| 514 | /* Multiple, enumerated sections */ |
| 515 | QListEntry *list_entry; |
| 516 | unsigned i = 0; |
| 517 | |
| 518 | /* Not required anymore */ |
| 519 | qemu_opts_del(subopts); |
| 520 | |
| 521 | qdict_array_split(subqdict, &list); |
| 522 | if (qdict_size(subqdict)) { |
| 523 | error_setg(errp, "Unused option '%s' for [%s]", |
| 524 | qdict_first(subqdict)->key, opts->name); |
| 525 | goto out; |
| 526 | } |
| 527 | |
| 528 | QLIST_FOREACH_ENTRY(list, list_entry) { |
| 529 | QDict *section = qobject_to_qdict(qlist_entry_obj(list_entry)); |
| 530 | char *opt_name; |
| 531 | |
Max Reitz | ae39c4b | 2014-02-21 19:11:39 +0100 | [diff] [blame] | 532 | if (!section) { |
| 533 | error_setg(errp, "[%s] section (index %u) does not consist of " |
| 534 | "keys", opts->name, i); |
| 535 | goto out; |
| 536 | } |
| 537 | |
Max Reitz | adf5c44 | 2013-12-20 19:28:05 +0100 | [diff] [blame] | 538 | opt_name = g_strdup_printf("%s.%u", opts->name, i++); |
| 539 | subopts = qemu_opts_create(opts, opt_name, 1, &local_err); |
| 540 | g_free(opt_name); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 541 | if (local_err) { |
Max Reitz | adf5c44 | 2013-12-20 19:28:05 +0100 | [diff] [blame] | 542 | error_propagate(errp, local_err); |
| 543 | goto out; |
| 544 | } |
| 545 | |
| 546 | qemu_opts_absorb_qdict(subopts, section, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 547 | if (local_err) { |
Max Reitz | adf5c44 | 2013-12-20 19:28:05 +0100 | [diff] [blame] | 548 | error_propagate(errp, local_err); |
| 549 | qemu_opts_del(subopts); |
| 550 | goto out; |
| 551 | } |
| 552 | |
| 553 | if (qdict_size(section)) { |
| 554 | error_setg(errp, "[%s] section doesn't support the option '%s'", |
| 555 | opts->name, qdict_first(section)->key); |
| 556 | qemu_opts_del(subopts); |
| 557 | goto out; |
| 558 | } |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | out: |
| 563 | QDECREF(subqdict); |
| 564 | QDECREF(list); |
| 565 | } |
| 566 | |
| 567 | void qemu_config_parse_qdict(QDict *options, QemuOptsList **lists, |
| 568 | Error **errp) |
| 569 | { |
| 570 | int i; |
| 571 | Error *local_err = NULL; |
| 572 | |
| 573 | for (i = 0; lists[i]; i++) { |
| 574 | config_parse_qdict_section(options, lists[i], &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 575 | if (local_err) { |
Max Reitz | adf5c44 | 2013-12-20 19:28:05 +0100 | [diff] [blame] | 576 | error_propagate(errp, local_err); |
| 577 | return; |
| 578 | } |
| 579 | } |
| 580 | } |