diff options
Diffstat (limited to 'qemu/util/qemu-config.c')
| -rw-r--r-- | qemu/util/qemu-config.c | 573 |
1 files changed, 0 insertions, 573 deletions
diff --git a/qemu/util/qemu-config.c b/qemu/util/qemu-config.c deleted file mode 100644 index fb973074d..000000000 --- a/qemu/util/qemu-config.c +++ /dev/null @@ -1,573 +0,0 @@ -#include "qemu/osdep.h" -#include "qemu-common.h" -#include "qemu/error-report.h" -#include "qemu/option.h" -#include "qemu/config-file.h" -#include "qmp-commands.h" - -static QemuOptsList *vm_config_groups[48]; -static QemuOptsList *drive_config_groups[4]; - -static QemuOptsList *find_list(QemuOptsList **lists, const char *group, - Error **errp) -{ - int i; - - for (i = 0; lists[i] != NULL; i++) { - if (strcmp(lists[i]->name, group) == 0) - break; - } - if (lists[i] == NULL) { - error_setg(errp, "There is no option group '%s'", group); - } - return lists[i]; -} - -QemuOptsList *qemu_find_opts(const char *group) -{ - QemuOptsList *ret; - Error *local_err = NULL; - - ret = find_list(vm_config_groups, group, &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; -} - -/* restore machine options that are now machine's properties */ -static QemuOptsList machine_opts = { - .merge_lists = true, - .head = QTAILQ_HEAD_INITIALIZER(machine_opts.head), - .desc = { - { - .name = "type", - .type = QEMU_OPT_STRING, - .help = "emulated machine" - },{ - .name = "accel", - .type = QEMU_OPT_STRING, - .help = "accelerator list", - },{ - .name = "kernel_irqchip", - .type = QEMU_OPT_BOOL, - .help = "use KVM in-kernel irqchip", - },{ - .name = "kvm_shadow_mem", - .type = QEMU_OPT_SIZE, - .help = "KVM shadow MMU size", - },{ - .name = "kernel", - .type = QEMU_OPT_STRING, - .help = "Linux kernel image file", - },{ - .name = "initrd", - .type = QEMU_OPT_STRING, - .help = "Linux initial ramdisk file", - },{ - .name = "append", - .type = QEMU_OPT_STRING, - .help = "Linux kernel command line", - },{ - .name = "dtb", - .type = QEMU_OPT_STRING, - .help = "Linux kernel device tree file", - },{ - .name = "dumpdtb", - .type = QEMU_OPT_STRING, - .help = "Dump current dtb to a file and quit", - },{ - .name = "phandle_start", - .type = QEMU_OPT_NUMBER, - .help = "The first phandle ID we may generate dynamically", - },{ - .name = "dt_compatible", - .type = QEMU_OPT_STRING, - .help = "Overrides the \"compatible\" property of the dt root node", - },{ - .name = "dump-guest-core", - .type = QEMU_OPT_BOOL, - .help = "Include guest memory in a core dump", - },{ - .name = "mem-merge", - .type = QEMU_OPT_BOOL, - .help = "enable/disable memory merge support", - },{ - .name = "usb", - .type = QEMU_OPT_BOOL, - .help = "Set on/off to enable/disable usb", - },{ - .name = "firmware", - .type = QEMU_OPT_STRING, - .help = "firmware image", - },{ - .name = "iommu", - .type = QEMU_OPT_BOOL, - .help = "Set on/off to enable/disable Intel IOMMU (VT-d)", - },{ - .name = "suppress-vmdesc", - .type = QEMU_OPT_BOOL, - .help = "Set on to disable self-describing migration", - },{ - .name = "aes-key-wrap", - .type = QEMU_OPT_BOOL, - .help = "enable/disable AES key wrapping using the CPACF wrapping key", - },{ - .name = "dea-key-wrap", - .type = QEMU_OPT_BOOL, - .help = "enable/disable DEA key wrapping using the CPACF wrapping key", - }, - { /* End of list */ } - } -}; - -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 if (!strcmp("machine", vm_config_groups[i]->name)) { - info->parameters = query_option_descs(machine_opts.desc); - } 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; - - entries = ARRAY_SIZE(vm_config_groups); - entries--; /* keep list NULL terminated */ - for (i = 0; i < entries; i++) { - if (vm_config_groups[i] == NULL) { - vm_config_groups[i] = list; - return; - } - } - fprintf(stderr, "ran out of space in vm_config_groups"); - abort(); -} - -int qemu_set_option(const char *str) -{ - Error *local_err = NULL; - char group[64], id[64], arg[64]; - QemuOptsList *list; - QemuOpts *opts; - int rc, offset; - - rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset); - if (rc < 3 || str[offset] != '=') { - error_report("can't parse: \"%s\"", str); - return -1; - } - - list = qemu_find_opts(group); - if (list == NULL) { - return -1; - } - - opts = qemu_opts_find(list, id); - if (!opts) { - error_report("there is no %s \"%s\" defined", - list->name, id); - return -1; - } - - qemu_opt_set(opts, arg, str + offset + 1, &local_err); - if (local_err) { - error_report_err(local_err); - return -1; - } - return 0; -} - -struct ConfigWriteData { - QemuOptsList *list; - FILE *fp; -}; - -static int config_write_opt(void *opaque, const char *name, const char *value, - Error **errp) -{ - struct ConfigWriteData *data = opaque; - - fprintf(data->fp, " %s = \"%s\"\n", name, value); - return 0; -} - -static int config_write_opts(void *opaque, QemuOpts *opts, Error **errp) -{ - struct ConfigWriteData *data = opaque; - const char *id = qemu_opts_id(opts); - - if (id) { - fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id); - } else { - fprintf(data->fp, "[%s]\n", data->list->name); - } - qemu_opt_foreach(opts, config_write_opt, data, NULL); - fprintf(data->fp, "\n"); - return 0; -} - -void qemu_config_write(FILE *fp) -{ - struct ConfigWriteData data = { .fp = fp }; - QemuOptsList **lists = vm_config_groups; - int i; - - fprintf(fp, "# qemu config file\n\n"); - for (i = 0; lists[i] != NULL; i++) { - data.list = lists[i]; - qemu_opts_foreach(data.list, config_write_opts, &data, NULL); - } -} - -int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname) -{ - char line[1024], group[64], id[64], arg[64], value[1024]; - Location loc; - QemuOptsList *list = NULL; - Error *local_err = NULL; - QemuOpts *opts = NULL; - int res = -1, lno = 0; - - loc_push_none(&loc); - while (fgets(line, sizeof(line), fp) != NULL) { - loc_set_file(fname, ++lno); - if (line[0] == '\n') { - /* skip empty lines */ - continue; - } - if (line[0] == '#') { - /* comment */ - continue; - } - if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) { - /* group with id */ - list = find_list(lists, group, &local_err); - if (local_err) { - error_report_err(local_err); - goto out; - } - opts = qemu_opts_create(list, id, 1, NULL); - continue; - } - if (sscanf(line, "[%63[^]]]", group) == 1) { - /* group without id */ - list = find_list(lists, group, &local_err); - if (local_err) { - error_report_err(local_err); - goto out; - } - opts = qemu_opts_create(list, NULL, 0, &error_abort); - continue; - } - value[0] = '\0'; - if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2 || - sscanf(line, " %63s = \"\"", arg) == 1) { - /* arg = value */ - if (opts == NULL) { - error_report("no group defined"); - goto out; - } - qemu_opt_set(opts, arg, value, &local_err); - if (local_err) { - error_report_err(local_err); - goto out; - } - continue; - } - error_report("parse error"); - goto out; - } - if (ferror(fp)) { - error_report("error reading file"); - goto out; - } - res = 0; -out: - loc_pop(&loc); - return res; -} - -int qemu_read_config_file(const char *filename) -{ - FILE *f = fopen(filename, "r"); - int ret; - - if (f == NULL) { - return -errno; - } - - ret = qemu_config_parse(f, vm_config_groups, filename); - fclose(f); - - if (ret == 0) { - return 0; - } else { - 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; - } - } -} |