uint8_t csr[DMAR_REG_SIZE]; /* register values */
uint8_t wmask[DMAR_REG_SIZE]; /* R/W bytes */
uint8_t w1cmask[DMAR_REG_SIZE]; /* RW1C(Write 1 to Clear) bytes */
uint8_t csr[DMAR_REG_SIZE]; /* register values */
uint8_t wmask[DMAR_REG_SIZE]; /* R/W bytes */
uint8_t w1cmask[DMAR_REG_SIZE]; /* RW1C(Write 1 to Clear) bytes */