1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef LINUX_POWERPC_PERF_HV_GPCI_H_ 3 #define LINUX_POWERPC_PERF_HV_GPCI_H_ 4 5 #include <linux/types.h> 6 7 /* From the document "H_GetPerformanceCounterInfo Interface" v1.07 */ 8 9 /* H_GET_PERF_COUNTER_INFO argument */ 10 struct hv_get_perf_counter_info_params { 11 __be32 counter_request; /* I */ 12 __be32 starting_index; /* IO */ 13 __be16 secondary_index; /* IO */ 14 __be16 returned_values; /* O */ 15 __be32 detail_rc; /* O, only needed when called via *_norets() */ 16 17 /* 18 * O, size each of counter_value element in bytes, only set for version 19 * >= 0x3 20 */ 21 __be16 cv_element_size; 22 23 /* I, 0 (zero) for versions < 0x3 */ 24 __u8 counter_info_version_in; 25 26 /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */ 27 __u8 counter_info_version_out; 28 __u8 reserved[0xC]; 29 __u8 counter_value[]; 30 } __packed; 31 32 /* 33 * counter info version => fw version/reference (spec version) 34 * 35 * 8 => power8 (1.07) 36 * [7 is skipped by spec 1.07] 37 * 6 => TLBIE (1.07) 38 * 5 => v7r7m0.phyp (1.05) 39 * [4 skipped] 40 * 3 => v7r6m0.phyp (?) 41 * [1,2 skipped] 42 * 0 => v7r{2,3,4}m0.phyp (?) 43 */ 44 #define COUNTER_INFO_VERSION_CURRENT 0x8 45 46 /* capability mask masks. */ 47 enum { 48 HV_GPCI_CM_GA = (1 << 7), 49 HV_GPCI_CM_EXPANDED = (1 << 6), 50 HV_GPCI_CM_LAB = (1 << 5) 51 }; 52 53 #define REQUEST_FILE "../hv-gpci-requests.h" 54 #define NAME_LOWER hv_gpci 55 #define NAME_UPPER HV_GPCI 56 #include "req-gen/perf.h" 57 #undef REQUEST_FILE 58 #undef NAME_LOWER 59 #undef NAME_UPPER 60 61 #endif 62