qla2x00_send_change_request
extern int qla2x00_send_change_request(scsi_qla_host_t *, uint16_t, uint16_t);
rval = qla2x00_send_change_request(vha, 0x3, 0);
ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx);