@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_ASM_POWERPC_PERF_PIPELINE_HAZ_H
+#define _UAPI_ASM_POWERPC_PERF_PIPELINE_HAZ_H
+
+enum perf_inst_type {
+	PERF_HAZ__ITYPE_LOAD = 1,
+	PERF_HAZ__ITYPE_STORE,
+	PERF_HAZ__ITYPE_BRANCH,
+	PERF_HAZ__ITYPE_FP,
+	PERF_HAZ__ITYPE_FX,
+	PERF_HAZ__ITYPE_CR_OR_SC,
+};
+
+enum perf_inst_cache {
+	PERF_HAZ__ICACHE_L1_HIT = 1,
+	PERF_HAZ__ICACHE_L2_HIT,
+	PERF_HAZ__ICACHE_L3_HIT,
+	PERF_HAZ__ICACHE_L3_MISS,
+};
+
+enum perf_pipeline_stage {
+	PERF_HAZ__PIPE_STAGE_IFU = 1,
+	PERF_HAZ__PIPE_STAGE_IDU,
+	PERF_HAZ__PIPE_STAGE_ISU,
+	PERF_HAZ__PIPE_STAGE_LSU,
+	PERF_HAZ__PIPE_STAGE_BRU,
+	PERF_HAZ__PIPE_STAGE_FXU,
+	PERF_HAZ__PIPE_STAGE_FPU,
+	PERF_HAZ__PIPE_STAGE_VSU,
+	PERF_HAZ__PIPE_STAGE_OTHER,
+};
+
+enum perf_haz_bru_reason {
+	PERF_HAZ__HAZ_BRU_MPRED_DIR = 1,
+	PERF_HAZ__HAZ_BRU_MPRED_TA,
+};
+
+enum perf_haz_isu_reason {
+	PERF_HAZ__HAZ_ISU_SRC = 1,
+	PERF_HAZ__HAZ_ISU_COL = 1,
+};
+
+enum perf_haz_lsu_reason {
+	PERF_HAZ__HAZ_LSU_ERAT_MISS = 1,
+	PERF_HAZ__HAZ_LSU_LMQ,
+	PERF_HAZ__HAZ_LSU_LHS,
+	PERF_HAZ__HAZ_LSU_MPRED,
+	PERF_HAZ__HAZ_DERAT_MISS,
+	PERF_HAZ__HAZ_LSU_LMQ_DERAT_MISS,
+	PERF_HAZ__HAZ_LSU_LHS_DERAT_MISS,
+	PERF_HAZ__HAZ_LSU_MPRED_DERAT_MISS,
+};
+
+enum perf_stall_lsu_reason {
+	PERF_HAZ__STALL_LSU_DCACHE_MISS = 1,
+	PERF_HAZ__STALL_LSU_LD_FIN,
+	PERF_HAZ__STALL_LSU_ST_FWD,
+	PERF_HAZ__STALL_LSU_ST,
+};
+
+enum perf_stall_fxu_reason {
+	PERF_HAZ__STALL_FXU_MC = 1,
+	PERF_HAZ__STALL_FXU_FC,
+};
+
+enum perf_stall_bru_reason {
+	PERF_HAZ__STALL_BRU_FIN_MPRED = 1,
+	PERF_HAZ__STALL_BRU_FC,
+};
+
+enum perf_stall_vsu_reason {
+	PERF_HAZ__STALL_VSU_MC = 1,
+	PERF_HAZ__STALL_VSU_FC,
+};
+
+enum perf_stall_other_reason {
+	PERF_HAZ__STALL_NTC,
+};
+
+#endif /* _UAPI_ASM_POWERPC_PERF_PIPELINE_HAZ_H */