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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
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James Clark
e3741935a3
Update the header to pull in the changes from commit 3285c471d0
("coresight: Remove misleading definitions").
Signed-off-by: James Clark <[email protected]>
Requested-by: Arnaldo Carvalho de Melo <[email protected]>
Tested-by: Leo Yan <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: John Garry <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Mike Leach <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Suzuki Poulouse <[email protected]>
Cc: Will Deacon <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright(C) 2015 Linaro Limited. All rights reserved.
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* Author: Mathieu Poirier <[email protected]>
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*/
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#ifndef _LINUX_CORESIGHT_PMU_H
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#define _LINUX_CORESIGHT_PMU_H
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#include <linux/bits.h>
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#define CORESIGHT_ETM_PMU_NAME "cs_etm"
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/*
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* The legacy Trace ID system based on fixed calculation from the cpu
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* number. This has been replaced by drivers using a dynamic allocation
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* system - but need to retain the legacy algorithm for backward comparibility
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* in certain situations:-
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* a) new perf running on older systems that generate the legacy mapping
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* b) older tools that may not update at the same time as the kernel.
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*/
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#define CORESIGHT_LEGACY_CPU_TRACE_ID(cpu) (0x10 + (cpu * 2))
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/*
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* Interpretation of the PERF_RECORD_AUX_OUTPUT_HW_ID payload.
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* Used to associate a CPU with the CoreSight Trace ID.
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* [07:00] - Trace ID - uses 8 bits to make value easy to read in file.
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* [39:08] - Sink ID - as reported in /sys/bus/event_source/devices/cs_etm/sinks/
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* Added in minor version 1.
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* [55:40] - Unused (SBZ)
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* [59:56] - Minor Version - previously existing fields are compatible with
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* all minor versions.
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* [63:60] - Major Version - previously existing fields mean different things
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* in new major versions.
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*/
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#define CS_AUX_HW_ID_TRACE_ID_MASK GENMASK_ULL(7, 0)
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#define CS_AUX_HW_ID_SINK_ID_MASK GENMASK_ULL(39, 8)
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#define CS_AUX_HW_ID_MINOR_VERSION_MASK GENMASK_ULL(59, 56)
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#define CS_AUX_HW_ID_MAJOR_VERSION_MASK GENMASK_ULL(63, 60)
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#define CS_AUX_HW_ID_MAJOR_VERSION 0
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#define CS_AUX_HW_ID_MINOR_VERSION 1
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#endif
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