nvme_dmamem_alloc
q->q_nvmmu_dmamem = nvme_dmamem_alloc(sc, ANS_NVMMU_TCB_SIZE);
mem = nvme_dmamem_alloc(sc, sizeof(*identify));
q->q_ccb_prpls = nvme_dmamem_alloc(sc,
q->q_sq_dmamem = nvme_dmamem_alloc(sc,
q->q_cq_dmamem = nvme_dmamem_alloc(sc,
mem = nvme_dmamem_alloc(sc, sizeof(*identify));
nvme_dmamem_alloc(struct nvme_softc *, size_t);