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Diffstat (limited to 'plugins/loader.c')
-rw-r--r--plugins/loader.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/plugins/loader.c b/plugins/loader.c
index ce724ed583..15fc7e5515 100644
--- a/plugins/loader.c
+++ b/plugins/loader.c
@@ -178,6 +178,25 @@ static int plugin_load(struct qemu_plugin_desc *desc, const qemu_info_t *info)
goto err_symbol;
}
+ if (!g_module_symbol(ctx->handle, "qemu_plugin_version", &sym)) {
+ error_report("TCG plugin %s does not declare API version %s",
+ desc->path, g_module_error());
+ goto err_symbol;
+ } else {
+ int version = *(int *)sym;
+ if (version < QEMU_PLUGIN_MIN_VERSION) {
+ error_report("TCG plugin %s requires API version %d, but "
+ "this QEMU supports only a minimum version of %d",
+ desc->path, version, QEMU_PLUGIN_MIN_VERSION);
+ goto err_symbol;
+ } else if (version > QEMU_PLUGIN_VERSION) {
+ error_report("TCG plugin %s requires API version %d, but "
+ "this QEMU supports only up to version %d",
+ desc->path, version, QEMU_PLUGIN_VERSION);
+ goto err_symbol;
+ }
+ }
+
qemu_rec_mutex_lock(&plugin.lock);
/* find an unused random id with &ctx as the seed */
@@ -248,6 +267,8 @@ int qemu_plugin_load_list(QemuPluginList *head)
g_autofree qemu_info_t *info = g_new0(qemu_info_t, 1);
info->target_name = TARGET_NAME;
+ info->version.min = QEMU_PLUGIN_MIN_VERSION;
+ info->version.cur = QEMU_PLUGIN_VERSION;
#ifndef CONFIG_USER_ONLY
MachineState *ms = MACHINE(qdev_get_machine());
info->system_emulation = true;