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2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Performance event support - Freescale embedded specific definitions.
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*
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* Copyright 2008-2009 Paul Mackerras, IBM Corporation.
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* Copyright 2010 Freescale Semiconductor, Inc.
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*/
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#include <linux/types.h>
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#include <asm/hw_irq.h>
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#define MAX_HWEVENTS 6
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/* event flags */
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#define FSL_EMB_EVENT_VALID 1
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#define FSL_EMB_EVENT_RESTRICTED 2
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/* upper half of event flags is PMLCb */
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#define FSL_EMB_EVENT_THRESHMUL 0x0000070000000000ULL
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#define FSL_EMB_EVENT_THRESH 0x0000003f00000000ULL
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struct fsl_emb_pmu {
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const char *name;
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int n_counter; /* total number of counters */
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/*
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* The number of contiguous counters starting at zero that
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* can hold restricted events, or zero if there are no
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* restricted events.
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*
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* This isn't a very flexible method of expressing constraints,
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* but it's very simple and is adequate for existing chips.
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*/
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int n_restricted;
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/* Returns event flags and PMLCb (FSL_EMB_EVENT_*) */
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u64 (*xlate_event)(u64 event_id);
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int n_generic;
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int *generic_events;
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int (*cache_events)[PERF_COUNT_HW_CACHE_MAX]
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[PERF_COUNT_HW_CACHE_OP_MAX]
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[PERF_COUNT_HW_CACHE_RESULT_MAX];
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};
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int register_fsl_emb_pmu(struct fsl_emb_pmu *);
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