+
+int monitor_read_bdrv_key(BlockDriverState *bs)
+{
+ char password[256];
+ int i;
+
+ if (!bdrv_is_encrypted(bs))
+ return 0;
+
+ term_printf("%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
+ bdrv_get_encrypted_filename(bs));
+ for(i = 0; i < 3; i++) {
+ monitor_readline("Password: ", 1, password, sizeof(password));
+ if (bdrv_set_key(bs, password) == 0)
+ return 0;
+ term_printf("invalid password\n");
+ }
+ return -EPERM;
+}