__IXGBEVF_DISABLED
clear_bit(__IXGBEVF_DISABLED, &adapter->state);
disable_dev = !test_and_set_bit(__IXGBEVF_DISABLED, &adapter->state);
disable_dev = !test_and_set_bit(__IXGBEVF_DISABLED, &adapter->state);
if (!test_and_set_bit(__IXGBEVF_DISABLED, &adapter->state))
clear_bit(__IXGBEVF_DISABLED, &adapter->state);