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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Performance event support - Freescale embedded specific definitions. * * Copyright 2008-2009 Paul Mackerras, IBM Corporation. * Copyright 2010 Freescale Semiconductor, Inc. */ #include <linux/types.h> #include <asm/hw_irq.h> #define MAX_HWEVENTS 6 /* event flags */ #define FSL_EMB_EVENT_VALID 1 #define FSL_EMB_EVENT_RESTRICTED 2 /* upper half of event flags is PMLCb */ #define FSL_EMB_EVENT_THRESHMUL 0x0000070000000000ULL #define FSL_EMB_EVENT_THRESH 0x0000003f00000000ULL struct fsl_emb_pmu { const char *name; int n_counter; /* total number of counters */ /* * The number of contiguous counters starting at zero that * can hold restricted events, or zero if there are no * restricted events. * * This isn't a very flexible method of expressing constraints, * but it's very simple and is adequate for existing chips. */ int n_restricted; /* Returns event flags and PMLCb (FSL_EMB_EVENT_*) */ u64 (*xlate_event)(u64 event_id); int n_generic; int *generic_events; int (*cache_events)[PERF_COUNT_HW_CACHE_MAX] [PERF_COUNT_HW_CACHE_OP_MAX] [PERF_COUNT_HW_CACHE_RESULT_MAX]; }; int register_fsl_emb_pmu(struct fsl_emb_pmu *);