SPI_IOC_MAGIC 116 include/uapi/linux/spi/spidev.h #define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)]) SPI_IOC_MAGIC 120 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_MODE _IOR(SPI_IOC_MAGIC, 1, __u8) SPI_IOC_MAGIC 121 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_MODE _IOW(SPI_IOC_MAGIC, 1, __u8) SPI_IOC_MAGIC 124 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_LSB_FIRST _IOR(SPI_IOC_MAGIC, 2, __u8) SPI_IOC_MAGIC 125 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_LSB_FIRST _IOW(SPI_IOC_MAGIC, 2, __u8) SPI_IOC_MAGIC 128 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_BITS_PER_WORD _IOR(SPI_IOC_MAGIC, 3, __u8) SPI_IOC_MAGIC 129 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_BITS_PER_WORD _IOW(SPI_IOC_MAGIC, 3, __u8) SPI_IOC_MAGIC 132 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_MAX_SPEED_HZ _IOR(SPI_IOC_MAGIC, 4, __u32) SPI_IOC_MAGIC 133 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_MAX_SPEED_HZ _IOW(SPI_IOC_MAGIC, 4, __u32) SPI_IOC_MAGIC 136 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_MODE32 _IOR(SPI_IOC_MAGIC, 5, __u32) SPI_IOC_MAGIC 137 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_MODE32 _IOW(SPI_IOC_MAGIC, 5, __u32)