nvme_power_state
struct nvme_power_state psd[32];
nvme_static_assert(sizeof(struct nvme_power_state) == 32, "Incorrect size");
struct nvme_power_state psd;
memcpy(&psd, &cdata.psd[i], sizeof(struct nvme_power_state));
struct nvme_power_state psd;
memcpy(&psd, &cdata.psd[i], sizeof(struct nvme_power_state));