HCLGEVF_STATE_DOWN
if (test_bit(HCLGEVF_STATE_DOWN, &hdev->state)) {
set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
clear_bit(HCLGEVF_STATE_DOWN, &hdev->state);
set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
test_bit(HCLGEVF_STATE_DOWN, &hdev->state) ? 0 : link_state;