+static efi_status_t __efi_queue_work(enum efi_rts_ids id,
+ union efi_rts_args *args)
+{
+ efi_rts_work.efi_rts_id = id;
+ efi_rts_work.args = args;
+ efi_rts_work.status = EFI_ABORTED;
+
+ if (!efi_enabled(EFI_RUNTIME_SERVICES)) {
+ pr_warn_once("EFI Runtime Services are disabled!\n");
+ efi_rts_work.status = EFI_DEVICE_ERROR;
+ goto exit;
+ }
+
+ init_completion(&efi_rts_work.efi_rts_comp);
+ INIT_WORK(&efi_rts_work.work, efi_call_rts);
+
+ /*
+ * queue_work() returns 0 if work was already on queue,
+ * _ideally_ this should never happen.
+ */
+ if (queue_work(efi_rts_wq, &efi_rts_work.work))
+ wait_for_completion(&efi_rts_work.efi_rts_comp);
+ else
+ pr_err("Failed to queue work to efi_rts_wq.\n");
+
+ WARN_ON_ONCE(efi_rts_work.status == EFI_ABORTED);
+exit:
+ efi_rts_work.efi_rts_id = EFI_NONE;
+ return efi_rts_work.status;
+}
+