/* SPDX-License-Identifier: GPL-2.0 */ #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 /* capability mask masks. */ enum { HV_GPCI_CM_GA = (1 << 7), HV_GPCI_CM_EXPANDED = (1 << 6), HV_GPCI_CM_LAB = (1 << 5) }; #define REQUEST_FILE "../hv-gpci-requests.h" #define NAME_LOWER hv_gpci #define NAME_UPPER HV_GPCI #include "req-gen/perf.h" #undef REQUEST_FILE #undef NAME_LOWER #undef NAME_UPPER #endif