ISST_IF_MAGIC
#define ISST_IF_GET_PLATFORM_INFO _IOR(ISST_IF_MAGIC, 0, struct isst_if_platform_info *)
#define ISST_IF_GET_PHY_ID _IOWR(ISST_IF_MAGIC, 1, struct isst_if_cpu_map *)
#define ISST_IF_IO_CMD _IOW(ISST_IF_MAGIC, 2, struct isst_if_io_regs *)
#define ISST_IF_MBOX_COMMAND _IOWR(ISST_IF_MAGIC, 3, struct isst_if_mbox_cmds *)
#define ISST_IF_MSR_COMMAND _IOWR(ISST_IF_MAGIC, 4, struct isst_if_msr_cmds *)
#define ISST_IF_COUNT_TPMI_INSTANCES _IOR(ISST_IF_MAGIC, 5, struct isst_tpmi_instance_count *)
#define ISST_IF_CORE_POWER_STATE _IOWR(ISST_IF_MAGIC, 6, struct isst_core_power *)
#define ISST_IF_CLOS_PARAM _IOWR(ISST_IF_MAGIC, 7, struct isst_clos_param *)
#define ISST_IF_CLOS_ASSOC _IOWR(ISST_IF_MAGIC, 8, struct isst_if_clos_assoc_cmds *)
#define ISST_IF_PERF_LEVELS _IOWR(ISST_IF_MAGIC, 9, struct isst_perf_level_info *)
#define ISST_IF_PERF_SET_LEVEL _IOW(ISST_IF_MAGIC, 10, struct isst_perf_level_control *)
#define ISST_IF_PERF_SET_FEATURE _IOW(ISST_IF_MAGIC, 11, struct isst_perf_feature_control *)
#define ISST_IF_GET_PERF_LEVEL_INFO _IOR(ISST_IF_MAGIC, 12, struct isst_perf_level_data_info *)
#define ISST_IF_GET_PERF_LEVEL_CPU_MASK _IOR(ISST_IF_MAGIC, 13, struct isst_perf_level_cpu_mask *)
#define ISST_IF_GET_BASE_FREQ_INFO _IOR(ISST_IF_MAGIC, 14, struct isst_base_freq_info *)
#define ISST_IF_GET_BASE_FREQ_CPU_MASK _IOR(ISST_IF_MAGIC, 15, struct isst_perf_level_cpu_mask *)
#define ISST_IF_GET_TURBO_FREQ_INFO _IOR(ISST_IF_MAGIC, 16, struct isst_turbo_freq_info *)
#define ISST_IF_GET_PERF_LEVEL_FABRIC_INFO _IOR(ISST_IF_MAGIC, 17,\