PI433_IOC_MAGIC 880 drivers/staging/pi433/pi433_if.c if (_IOC_TYPE(cmd) != PI433_IOC_MAGIC) PI433_IOC_MAGIC 135 drivers/staging/pi433/pi433_if.h #define PI433_IOC_RD_TX_CFG _IOR(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)]) PI433_IOC_MAGIC 136 drivers/staging/pi433/pi433_if.h #define PI433_IOC_WR_TX_CFG _IOW(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)]) PI433_IOC_MAGIC 138 drivers/staging/pi433/pi433_if.h #define PI433_IOC_RD_RX_CFG _IOR(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)]) PI433_IOC_MAGIC 139 drivers/staging/pi433/pi433_if.h #define PI433_IOC_WR_RX_CFG _IOW(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)])