aboutsummaryrefslogtreecommitdiff
path: root/qemu-char.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu-char.c')
-rw-r--r--qemu-char.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/qemu-char.c b/qemu-char.c
index 83787c74c4..c2e198e858 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -3204,7 +3204,11 @@ static CharDriverState *qemu_chr_open_pp(QemuOpts *opts)
typedef struct CharDriver {
const char *name;
+ /* old, pre qapi */
CharDriverState *(*open)(QemuOpts *opts);
+ /* new, qapi-based */
+ int kind;
+ void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp);
} CharDriver;
static GSList *backends;
@@ -3220,6 +3224,19 @@ void register_char_driver(const char *name, CharDriverState *(*open)(QemuOpts *)
backends = g_slist_append(backends, s);
}
+void register_char_driver_qapi(const char *name, int kind,
+ void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp))
+{
+ CharDriver *s;
+
+ s = g_malloc0(sizeof(*s));
+ s->name = g_strdup(name);
+ s->kind = kind;
+ s->parse = parse;
+
+ backends = g_slist_append(backends, s);
+}
+
CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
void (*init)(struct CharDriverState *s),
Error **errp)
@@ -3251,6 +3268,32 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
return NULL;
}
+ if (!cd->open) {
+ /* using new, qapi init */
+ ChardevBackend *backend = g_new0(ChardevBackend, 1);
+ ChardevReturn *ret = NULL;
+ const char *id = qemu_opts_id(opts);
+
+ chr = NULL;
+ backend->kind = cd->kind;
+ if (cd->parse) {
+ cd->parse(opts, backend, errp);
+ if (error_is_set(errp)) {
+ goto qapi_out;
+ }
+ }
+ ret = qmp_chardev_add(qemu_opts_id(opts), backend, errp);
+ if (error_is_set(errp)) {
+ goto qapi_out;
+ }
+ chr = qemu_chr_find(id);
+
+ qapi_out:
+ qapi_free_ChardevBackend(backend);
+ qapi_free_ChardevReturn(ret);
+ return chr;
+ }
+
chr = cd->open(opts);
if (!chr) {
error_setg(errp, "chardev: opening backend \"%s\" failed",