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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-misc.h"
#include "qapi/qmp/qlist.h"
#include "qemu/option.h"
#include "qemu/config-file.h"
#include "hw/boards.h"
static CommandLineParameterInfoList *query_option_descs(const QemuOptDesc *desc)
{
CommandLineParameterInfoList *param_list = NULL;
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;
}
info->help = g_strdup(desc[i].help);
info->q_default = g_strdup(desc[i].def_value_str);
QAPI_LIST_PREPEND(param_list, info);
}
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;
del_entry->next = NULL;
qapi_free_CommandLineParameterInfoList(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;
}
static CommandLineParameterInfo *objprop_to_cmdline_prop(ObjectProperty *prop)
{
CommandLineParameterInfo *info;
info = g_malloc0(sizeof(*info));
info->name = g_strdup(prop->name);
if (g_str_equal(prop->type, "bool") || g_str_equal(prop->type, "OnOffAuto")) {
info->type = COMMAND_LINE_PARAMETER_TYPE_BOOLEAN;
} else if (g_str_equal(prop->type, "int")) {
info->type = COMMAND_LINE_PARAMETER_TYPE_NUMBER;
} else if (g_str_equal(prop->type, "size")) {
info->type = COMMAND_LINE_PARAMETER_TYPE_SIZE;
} else {
info->type = COMMAND_LINE_PARAMETER_TYPE_STRING;
}
if (prop->description) {
info->help = g_strdup(prop->description);
}
return info;
}
static CommandLineParameterInfoList *query_all_machine_properties(void)
{
CommandLineParameterInfoList *params = NULL, *clpiter;
CommandLineParameterInfo *info;
GSList *machines, *curr_mach;
ObjectPropertyIterator op_iter;
ObjectProperty *prop;
bool is_new;
machines = object_class_get_list(TYPE_MACHINE, false);
assert(machines);
/* Loop over all machine classes */
for (curr_mach = machines; curr_mach; curr_mach = curr_mach->next) {
object_class_property_iter_init(&op_iter, curr_mach->data);
/* ... and over the properties of each machine: */
while ((prop = object_property_iter_next(&op_iter))) {
if (!prop->set) {
continue;
}
/*
* Check whether the property has already been put into the list
* (via another machine class)
*/
is_new = true;
for (clpiter = params; clpiter != NULL; clpiter = clpiter->next) {
if (g_str_equal(clpiter->value->name, prop->name)) {
is_new = false;
break;
}
}
/* If it hasn't been added before, add it now to the list */
if (is_new) {
info = objprop_to_cmdline_prop(prop);
QAPI_LIST_PREPEND(params, info);
}
}
}
g_slist_free(machines);
/* Add entry for the "type" parameter */
info = g_malloc0(sizeof(*info));
info->name = g_strdup("type");
info->type = COMMAND_LINE_PARAMETER_TYPE_STRING;
info->help = g_strdup("machine type");
QAPI_LIST_PREPEND(params, info);
return params;
}
CommandLineOptionInfoList *qmp_query_command_line_options(const char *option,
Error **errp)
{
CommandLineOptionInfoList *conf_list = NULL;
CommandLineOptionInfo *info;
int i;
for (i = 0; vm_config_groups[i] != NULL; i++) {
if (!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);
}
QAPI_LIST_PREPEND(conf_list, info);
}
}
if (!option || !strcmp(option, "machine")) {
info = g_malloc0(sizeof(*info));
info->option = g_strdup("machine");
info->parameters = query_all_machine_properties();
QAPI_LIST_PREPEND(conf_list, info);
}
if (conf_list == NULL) {
error_setg(errp, "invalid option name: %s", option);
}
return conf_list;
}
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