1 #ifndef LINUX_POWERPC_PERF_HV_GPCI_H_ 2 #define LINUX_POWERPC_PERF_HV_GPCI_H_ 3 4 #include <linux/types.h> 5 6 /* From the document "H_GetPerformanceCounterInfo Interface" v1.07 */ 7 8 /* H_GET_PERF_COUNTER_INFO argument */ 9 struct hv_get_perf_counter_info_params { 10 __be32 counter_request; /* I */ 11 __be32 starting_index; /* IO */ 12 __be16 secondary_index; /* IO */ 13 __be16 returned_values; /* O */ 14 __be32 detail_rc; /* O, only needed when called via *_norets() */ 15 16 /* 17 * O, size each of counter_value element in bytes, only set for version 18 * >= 0x3 19 */ 20 __be16 cv_element_size; 21 22 /* I, 0 (zero) for versions < 0x3 */ 23 __u8 counter_info_version_in; 24 25 /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */ 26 __u8 counter_info_version_out; 27 __u8 reserved[0xC]; 28 __u8 counter_value[]; 29 } __packed; 30 31 /* 32 * counter info version => fw version/reference (spec version) 33 * 34 * 8 => power8 (1.07) 35 * [7 is skipped by spec 1.07] 36 * 6 => TLBIE (1.07) 37 * 5 => v7r7m0.phyp (1.05) 38 * [4 skipped] 39 * 3 => v7r6m0.phyp (?) 40 * [1,2 skipped] 41 * 0 => v7r{2,3,4}m0.phyp (?) 42 */ 43 #define COUNTER_INFO_VERSION_CURRENT 0x8 44 45 /* 46 * These determine the counter_value[] layout and the meaning of starting_index 47 * and secondary_index. 48 * 49 * Unless otherwise noted, @secondary_index is unused and ignored. 50 */ 51 enum counter_info_requests { 52 53 /* GENERAL */ 54 55 /* @starting_index: must be -1 (to refer to the current partition) 56 */ 57 CIR_SYSTEM_PERFORMANCE_CAPABILITIES = 0X40, 58 }; 59 60 struct cv_system_performance_capabilities { 61 /* If != 0, allowed to collect data from other partitions */ 62 __u8 perf_collect_privileged; 63 64 /* These following are only valid if counter_info_version >= 0x3 */ 65 #define CV_CM_GA (1 << 7) 66 #define CV_CM_EXPANDED (1 << 6) 67 #define CV_CM_LAB (1 << 5) 68 /* remaining bits are reserved */ 69 __u8 capability_mask; 70 __u8 reserved[0xE]; 71 } __packed; 72 73 #endif 74