#ifndef LINUX_POWERPC_PERF_HV_GPCI_H_ #define LINUX_POWERPC_PERF_HV_GPCI_H_ #include <linux/types.h> /* From the document "H_GetPerformanceCounterInfo Interface" v1.07 */ /* H_GET_PERF_COUNTER_INFO argument */ struct hv_get_perf_counter_info_params { __be32 counter_request; /* I */ __be32 starting_index; /* IO */ __be16 secondary_index; /* IO */ __be16 returned_values; /* O */ __be32 detail_rc; /* O, only needed when called via *_norets() */ /* * O, size each of counter_value element in bytes, only set for version * >= 0x3 */ __be16 cv_element_size; /* I, 0 (zero) for versions < 0x3 */ __u8 counter_info_version_in; /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */ __u8 counter_info_version_out; __u8 reserved[0xC]; __u8 counter_value[]; } __packed; /* * counter info version => fw version/reference (spec version) * * 8 => power8 (1.07) * [7 is skipped by spec 1.07] * 6 => TLBIE (1.07) * 5 => v7r7m0.phyp (1.05) * [4 skipped] * 3 => v7r6m0.phyp (?) * [1,2 skipped] * 0 => v7r{2,3,4}m0.phyp (?) */ #define COUNTER_INFO_VERSION_CURRENT 0x8 /* * These determine the counter_value[] layout and the meaning of starting_index * and secondary_index. * * Unless otherwise noted, @secondary_index is unused and ignored. */ enum counter_info_requests { /* GENERAL */ /* @starting_index: must be -1 (to refer to the current partition) */ CIR_SYSTEM_PERFORMANCE_CAPABILITIES = 0X40, }; struct cv_system_performance_capabilities { /* If != 0, allowed to collect data from other partitions */ __u8 perf_collect_privileged; /* These following are only valid if counter_info_version >= 0x3 */ #define CV_CM_GA (1 << 7) #define CV_CM_EXPANDED (1 << 6) #define CV_CM_LAB (1 << 5) /* remaining bits are reserved */ __u8 capability_mask; __u8 reserved[0xE]; } __packed; #endif