struct _PEP_ACPI_SPB_SPI_RESOURCE {
unsigned long ConnectionSpeed;/* 0x18 4 */
unsigned char DataBitLength;/* 0x1c 1 */
unsigned char Phase;/* 0x1d 1 */
unsigned char Polarity;/* 0x1e 1 */
/* 1 byte padding */
unsigned short DeviceSelection;/* 0x20 2 */
};