APC_IOC
#define APCIOCGFANCTL _IOR(APC_IOC, 0x00, int) /* Get fan speed */
#define APCIOCSFANCTL _IOW(APC_IOC, 0x01, int) /* Set fan speed */
#define APCIOCGCPWR _IOR(APC_IOC, 0x02, int) /* Get CPOWER state */
#define APCIOCSCPWR _IOW(APC_IOC, 0x03, int) /* Set CPOWER state */
#define APCIOCGBPORT _IOR(APC_IOC, 0x04, int) /* Get BPORT state */
#define APCIOCSBPORT _IOW(APC_IOC, 0x05, int) /* Set BPORT state */