NVME_DMA_KVA
memset(NVME_DMA_KVA(q->q_nvmmu_dmamem), 0,
uint8_t *ptr = NVME_DMA_KVA(q->q_nvmmu_dmamem);
struct nvme_sqe_io *sqe = NVME_DMA_KVA(q->q_sq_dmamem);
struct nvme_sqe *sqe = NVME_DMA_KVA(q->q_sq_dmamem);
struct nvme_cqe *ring = NVME_DMA_KVA(q->q_cq_dmamem), *cqe;
identify = NVME_DMA_KVA(mem);
prpl = NVME_DMA_KVA(q->q_ccb_prpls);
memset(NVME_DMA_KVA(q->q_sq_dmamem), 0, NVME_DMA_LEN(q->q_sq_dmamem));
memset(NVME_DMA_KVA(q->q_cq_dmamem), 0, NVME_DMA_LEN(q->q_cq_dmamem));
memset(NVME_DMA_KVA(q->q_sq_dmamem), 0, NVME_DMA_LEN(q->q_sq_dmamem));
memset(NVME_DMA_KVA(q->q_cq_dmamem), 0, NVME_DMA_LEN(q->q_cq_dmamem));
*identify = *((volatile struct nvm_identify_namespace *)NVME_DMA_KVA(mem));