#include "qemu/error-report.h"
#include "qemu/option.h"
#include "qemu/config-file.h"
+#include "qapi/qmp/qerror.h"
#include "hw/qdev.h"
#include "qapi/error.h"
+#include "qmp-commands.h"
static QemuOptsList *vm_config_groups[32];
+static QemuOptsList *drive_config_groups[4];
static QemuOptsList *find_list(QemuOptsList **lists, const char *group,
Error **errp)
break;
}
if (lists[i] == NULL) {
- error_set(errp, QERR_INVALID_OPTION_GROUP, group);
+ error_setg(errp, "There is no option group '%s'", group);
}
return lists[i];
}
Error *local_err = NULL;
ret = find_list(vm_config_groups, group, &local_err);
- if (error_is_set(&local_err)) {
- error_report("%s\n", error_get_pretty(local_err));
- error_free(local_err);
+ if (local_err) {
+ error_report_err(local_err);
}
return ret;
}
+QemuOpts *qemu_find_opts_singleton(const char *group)
+{
+ QemuOptsList *list;
+ QemuOpts *opts;
+
+ list = qemu_find_opts(group);
+ assert(list);
+ opts = qemu_opts_find(list, NULL);
+ if (!opts) {
+ opts = qemu_opts_create(list, NULL, 0, &error_abort);
+ }
+ return opts;
+}
+
+static CommandLineParameterInfoList *query_option_descs(const QemuOptDesc *desc)
+{
+ CommandLineParameterInfoList *param_list = NULL, *entry;
+ CommandLineParameterInfo *info;
+ int i;
+
+ for (i = 0; desc[i].name != NULL; i++) {
+ info = g_malloc0(sizeof(*info));
+ info->name = g_strdup(desc[i].name);
+
+ switch (desc[i].type) {
+ case QEMU_OPT_STRING:
+ info->type = COMMAND_LINE_PARAMETER_TYPE_STRING;
+ break;
+ case QEMU_OPT_BOOL:
+ info->type = COMMAND_LINE_PARAMETER_TYPE_BOOLEAN;
+ break;
+ case QEMU_OPT_NUMBER:
+ info->type = COMMAND_LINE_PARAMETER_TYPE_NUMBER;
+ break;
+ case QEMU_OPT_SIZE:
+ info->type = COMMAND_LINE_PARAMETER_TYPE_SIZE;
+ break;
+ }
+
+ if (desc[i].help) {
+ info->has_help = true;
+ info->help = g_strdup(desc[i].help);
+ }
+ if (desc[i].def_value_str) {
+ info->has_q_default = true;
+ info->q_default = g_strdup(desc[i].def_value_str);
+ }
+
+ entry = g_malloc0(sizeof(*entry));
+ entry->value = info;
+ entry->next = param_list;
+ param_list = entry;
+ }
+
+ return param_list;
+}
+
+/* remove repeated entry from the info list */
+static void cleanup_infolist(CommandLineParameterInfoList *head)
+{
+ CommandLineParameterInfoList *pre_entry, *cur, *del_entry;
+
+ cur = head;
+ while (cur->next) {
+ pre_entry = head;
+ while (pre_entry != cur->next) {
+ if (!strcmp(pre_entry->value->name, cur->next->value->name)) {
+ del_entry = cur->next;
+ cur->next = cur->next->next;
+ g_free(del_entry);
+ break;
+ }
+ pre_entry = pre_entry->next;
+ }
+ cur = cur->next;
+ }
+}
+
+/* merge the description items of two parameter infolists */
+static void connect_infolist(CommandLineParameterInfoList *head,
+ CommandLineParameterInfoList *new)
+{
+ CommandLineParameterInfoList *cur;
+
+ cur = head;
+ while (cur->next) {
+ cur = cur->next;
+ }
+ cur->next = new;
+}
+
+/* access all the local QemuOptsLists for drive option */
+static CommandLineParameterInfoList *get_drive_infolist(void)
+{
+ CommandLineParameterInfoList *head = NULL, *cur;
+ int i;
+
+ for (i = 0; drive_config_groups[i] != NULL; i++) {
+ if (!head) {
+ head = query_option_descs(drive_config_groups[i]->desc);
+ } else {
+ cur = query_option_descs(drive_config_groups[i]->desc);
+ connect_infolist(head, cur);
+ }
+ }
+ cleanup_infolist(head);
+
+ return head;
+}
+
+CommandLineOptionInfoList *qmp_query_command_line_options(bool has_option,
+ const char *option,
+ Error **errp)
+{
+ CommandLineOptionInfoList *conf_list = NULL, *entry;
+ CommandLineOptionInfo *info;
+ int i;
+
+ for (i = 0; vm_config_groups[i] != NULL; i++) {
+ if (!has_option || !strcmp(option, vm_config_groups[i]->name)) {
+ info = g_malloc0(sizeof(*info));
+ info->option = g_strdup(vm_config_groups[i]->name);
+ if (!strcmp("drive", vm_config_groups[i]->name)) {
+ info->parameters = get_drive_infolist();
+ } else {
+ info->parameters =
+ query_option_descs(vm_config_groups[i]->desc);
+ }
+ entry = g_malloc0(sizeof(*entry));
+ entry->value = info;
+ entry->next = conf_list;
+ conf_list = entry;
+ }
+ }
+
+ if (conf_list == NULL) {
+ error_setg(errp, "invalid option name: %s", option);
+ }
+
+ return conf_list;
+}
+
QemuOptsList *qemu_find_opts_err(const char *group, Error **errp)
{
return find_list(vm_config_groups, group, errp);
}
+void qemu_add_drive_opts(QemuOptsList *list)
+{
+ int entries, i;
+
+ entries = ARRAY_SIZE(drive_config_groups);
+ entries--; /* keep list NULL terminated */
+ for (i = 0; i < entries; i++) {
+ if (drive_config_groups[i] == NULL) {
+ drive_config_groups[i] = list;
+ return;
+ }
+ }
+ fprintf(stderr, "ran out of space in drive_config_groups");
+ abort();
+}
+
void qemu_add_opts(QemuOptsList *list)
{
int entries, i;
int qemu_set_option(const char *str)
{
+ Error *local_err = NULL;
char group[64], id[64], arg[64];
QemuOptsList *list;
QemuOpts *opts;
return -1;
}
- if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
+ qemu_opt_set(opts, arg, str + offset + 1, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
return -1;
}
return 0;
if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
/* group with id */
list = find_list(lists, group, &local_err);
- if (error_is_set(&local_err)) {
- error_report("%s\n", error_get_pretty(local_err));
- error_free(local_err);
+ if (local_err) {
+ error_report_err(local_err);
goto out;
}
opts = qemu_opts_create(list, id, 1, NULL);
if (sscanf(line, "[%63[^]]]", group) == 1) {
/* group without id */
list = find_list(lists, group, &local_err);
- if (error_is_set(&local_err)) {
- error_report("%s\n", error_get_pretty(local_err));
- error_free(local_err);
+ if (local_err) {
+ error_report_err(local_err);
goto out;
}
- opts = qemu_opts_create_nofail(list);
+ opts = qemu_opts_create(list, NULL, 0, &error_abort);
continue;
}
if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
error_report("no group defined");
goto out;
}
- if (qemu_opt_set(opts, arg, value) != 0) {
+ qemu_opt_set(opts, arg, value, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
goto out;
}
continue;
return -EINVAL;
}
}
+
+static void config_parse_qdict_section(QDict *options, QemuOptsList *opts,
+ Error **errp)
+{
+ QemuOpts *subopts;
+ QDict *subqdict;
+ QList *list = NULL;
+ Error *local_err = NULL;
+ size_t orig_size, enum_size;
+ char *prefix;
+
+ prefix = g_strdup_printf("%s.", opts->name);
+ qdict_extract_subqdict(options, &subqdict, prefix);
+ g_free(prefix);
+ orig_size = qdict_size(subqdict);
+ if (!orig_size) {
+ goto out;
+ }
+
+ subopts = qemu_opts_create(opts, NULL, 0, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto out;
+ }
+
+ qemu_opts_absorb_qdict(subopts, subqdict, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto out;
+ }
+
+ enum_size = qdict_size(subqdict);
+ if (enum_size < orig_size && enum_size) {
+ error_setg(errp, "Unknown option '%s' for [%s]",
+ qdict_first(subqdict)->key, opts->name);
+ goto out;
+ }
+
+ if (enum_size) {
+ /* Multiple, enumerated sections */
+ QListEntry *list_entry;
+ unsigned i = 0;
+
+ /* Not required anymore */
+ qemu_opts_del(subopts);
+
+ qdict_array_split(subqdict, &list);
+ if (qdict_size(subqdict)) {
+ error_setg(errp, "Unused option '%s' for [%s]",
+ qdict_first(subqdict)->key, opts->name);
+ goto out;
+ }
+
+ QLIST_FOREACH_ENTRY(list, list_entry) {
+ QDict *section = qobject_to_qdict(qlist_entry_obj(list_entry));
+ char *opt_name;
+
+ if (!section) {
+ error_setg(errp, "[%s] section (index %u) does not consist of "
+ "keys", opts->name, i);
+ goto out;
+ }
+
+ opt_name = g_strdup_printf("%s.%u", opts->name, i++);
+ subopts = qemu_opts_create(opts, opt_name, 1, &local_err);
+ g_free(opt_name);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto out;
+ }
+
+ qemu_opts_absorb_qdict(subopts, section, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ qemu_opts_del(subopts);
+ goto out;
+ }
+
+ if (qdict_size(section)) {
+ error_setg(errp, "[%s] section doesn't support the option '%s'",
+ opts->name, qdict_first(section)->key);
+ qemu_opts_del(subopts);
+ goto out;
+ }
+ }
+ }
+
+out:
+ QDECREF(subqdict);
+ QDECREF(list);
+}
+
+void qemu_config_parse_qdict(QDict *options, QemuOptsList **lists,
+ Error **errp)
+{
+ int i;
+ Error *local_err = NULL;
+
+ for (i = 0; lists[i]; i++) {
+ config_parse_qdict_section(options, lists[i], &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+ }
+}
projects / mirror_qemu.git / blobdiff