NVME_MAX_DSM_TRIM
struct nvme_dsm_range dsm[NVME_MAX_DSM_TRIM / sizeof(struct nvme_dsm_range)];
_Static_assert(NVME_MAX_DSM_TRIM % sizeof(struct nvme_dsm_range) == 0,
#define NDA_MAX_TRIM_ENTRIES (NVME_MAX_DSM_TRIM / sizeof(struct nvme_dsm_range))/* Number of DSM trims to use, max 256 */
range = calloc(1, NVME_MAX_DSM_TRIM);
(uint8_t *)range, NVME_MAX_DSM_TRIM, NVME_COPY_FROM_PRP);