PF2GUC_RELAY_TO_VF_REQUEST_MSG_1_VFID
FIELD_GET(PF2GUC_RELAY_TO_VF_REQUEST_MSG_1_VFID, msg[1]));
msg[1] = FIELD_PREP(PF2GUC_RELAY_TO_VF_REQUEST_MSG_1_VFID, target);