NVME_SET_FEAT_REQ_FIELD_DPTR
[NVME_SET_FEAT_REQ_FIELD_DPTR] = {
if ((req->sfr_allow & (1 << NVME_SET_FEAT_REQ_FIELD_DPTR)) == 0) {
nvme_set_feat_req_clear_need(req, NVME_SET_FEAT_REQ_FIELD_DPTR);
if ((req->sfr_allow & (1 << NVME_SET_FEAT_REQ_FIELD_DPTR)) == 0) {
nvme_set_feat_req_set_need(req, NVME_SET_FEAT_REQ_FIELD_DPTR);
req->sfr_need |= 1 << NVME_SET_FEAT_REQ_FIELD_DPTR;
req->sfr_allow |= 1 << NVME_SET_FEAT_REQ_FIELD_DPTR;