#include "qemu-option.h"
#include "qemu-config.h"
#include "sysemu.h"
+#include "hw/qdev.h"
QemuOptsList qemu_drive_opts = {
.name = "drive",
},{
.name = "serial",
.type = QEMU_OPT_STRING,
+ },{
+ .name = "rerror",
+ .type = QEMU_OPT_STRING,
},{
.name = "werror",
.type = QEMU_OPT_STRING,
.name = "addr",
.type = QEMU_OPT_STRING,
.help = "pci address (virtio only)",
+ },{
+ .name = "readonly",
+ .type = QEMU_OPT_BOOL,
},
{ /* end if list */ }
},
},{
.name = "mux",
.type = QEMU_OPT_BOOL,
+ },{
+ .name = "signal",
+ .type = QEMU_OPT_BOOL,
},
{ /* end if list */ }
},
},
};
+QemuOptsList qemu_netdev_opts = {
+ .name = "netdev",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
+ .desc = {
+ /*
+ * no elements => accept any params
+ * validation will happen later
+ */
+ { /* end of list */ }
+ },
+};
+
+QemuOptsList qemu_net_opts = {
+ .name = "net",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
+ .desc = {
+ /*
+ * no elements => accept any params
+ * validation will happen later
+ */
+ { /* end of list */ }
+ },
+};
+
QemuOptsList qemu_rtc_opts = {
.name = "rtc",
.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
},
};
+QemuOptsList qemu_global_opts = {
+ .name = "global",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
+ .desc = {
+ {
+ .name = "driver",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "property",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "value",
+ .type = QEMU_OPT_STRING,
+ },
+ { /* end if list */ }
+ },
+};
+
+QemuOptsList qemu_mon_opts = {
+ .name = "mon",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
+ .desc = {
+ {
+ .name = "mode",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "chardev",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "default",
+ .type = QEMU_OPT_BOOL,
+ },
+ { /* end if list */ }
+ },
+};
+
static QemuOptsList *lists[] = {
&qemu_drive_opts,
&qemu_chardev_opts,
&qemu_device_opts,
+ &qemu_netdev_opts,
+ &qemu_net_opts,
+ &qemu_rtc_opts,
+ &qemu_global_opts,
+ &qemu_mon_opts,
NULL,
};
+static QemuOptsList *find_list(const char *group)
+{
+ int i;
+
+ for (i = 0; lists[i] != NULL; i++) {
+ if (strcmp(lists[i]->name, group) == 0)
+ break;
+ }
+ if (lists[i] == NULL) {
+ qemu_error("there is no option group \"%s\"\n", group);
+ }
+ return lists[i];
+}
+
int qemu_set_option(const char *str)
{
char group[64], id[64], arg[64];
+ QemuOptsList *list;
QemuOpts *opts;
- int i, rc, offset;
+ int rc, offset;
rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
if (rc < 3 || str[offset] != '=') {
return -1;
}
- for (i = 0; lists[i] != NULL; i++) {
- if (strcmp(lists[i]->name, group) == 0)
- break;
- }
- if (lists[i] == NULL) {
- qemu_error("there is no option group \"%s\"\n", group);
+ list = find_list(group);
+ if (list == NULL) {
return -1;
}
- opts = qemu_opts_find(lists[i], id);
+ opts = qemu_opts_find(list, id);
if (!opts) {
qemu_error("there is no %s \"%s\" defined\n",
- lists[i]->name, id);
+ list->name, id);
return -1;
}
if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
- qemu_error("failed to set \"%s\" for %s \"%s\"\n",
- arg, lists[i]->name, id);
return -1;
}
return 0;
}
+int qemu_global_option(const char *str)
+{
+ char driver[64], property[64];
+ QemuOpts *opts;
+ int rc, offset;
+
+ rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
+ if (rc < 2 || str[offset] != '=') {
+ qemu_error("can't parse: \"%s\"\n", str);
+ return -1;
+ }
+
+ opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
+ qemu_opt_set(opts, "driver", driver);
+ qemu_opt_set(opts, "property", property);
+ qemu_opt_set(opts, "value", str+offset+1);
+ return 0;
+}
+
+static int qemu_add_one_global(QemuOpts *opts, void *opaque)
+{
+ GlobalProperty *g;
+
+ g = qemu_mallocz(sizeof(*g));
+ g->driver = qemu_opt_get(opts, "driver");
+ g->property = qemu_opt_get(opts, "property");
+ g->value = qemu_opt_get(opts, "value");
+ qdev_prop_register_global(g);
+ return 0;
+}
+
+void qemu_add_globals(void)
+{
+ qemu_opts_foreach(&qemu_global_opts, qemu_add_one_global, NULL, 0);
+}
+
+struct ConfigWriteData {
+ QemuOptsList *list;
+ FILE *fp;
+};
+
+static int config_write_opt(const char *name, const char *value, void *opaque)
+{
+ struct ConfigWriteData *data = opaque;
+
+ fprintf(data->fp, " %s = \"%s\"\n", name, value);
+ return 0;
+}
+
+static int config_write_opts(QemuOpts *opts, void *opaque)
+{
+ 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, 0);
+ fprintf(data->fp, "\n");
+ return 0;
+}
+
+void qemu_config_write(FILE *fp)
+{
+ struct ConfigWriteData data = { .fp = fp };
+ 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, 0);
+ }
+}
+
+int qemu_config_parse(FILE *fp)
+{
+ char line[1024], group[64], id[64], arg[64], value[1024];
+ QemuOptsList *list = NULL;
+ QemuOpts *opts = NULL;
+
+ while (fgets(line, sizeof(line), fp) != NULL) {
+ 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(group);
+ if (list == NULL)
+ return -1;
+ opts = qemu_opts_create(list, id, 1);
+ continue;
+ }
+ if (sscanf(line, "[%63[^]]]", group) == 1) {
+ /* group without id */
+ list = find_list(group);
+ if (list == NULL)
+ return -1;
+ opts = qemu_opts_create(list, NULL, 0);
+ continue;
+ }
+ if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
+ /* arg = value */
+ if (opts == NULL) {
+ fprintf(stderr, "no group defined\n");
+ return -1;
+ }
+ if (qemu_opt_set(opts, arg, value) != 0) {
+ fprintf(stderr, "failed to set \"%s\" for %s\n",
+ arg, group);
+ return -1;
+ }
+ continue;
+ }
+ fprintf(stderr, "parse error: %s\n", line);
+ return -1;
+ }
+ return 0;
+}
projects / qemu.git / blobdiff