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coresight: Move struct coresight_trace_id_map to common header

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The trace ID maps will need to be created and stored by the core and
Perf code so move the definition up to the common header.

Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: James Clark <james.clark@arm.com>
Tested-by: Leo Yan <leo.yan@arm.com>
Tested-by: Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>
Signed-off-by: James Clark <james.clark@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240722101202.26915-12-james.clark@linaro.org
This commit is contained in:
James Clark 2024-07-22 11:11:53 +01:00 • committed by Suzuki K Poulose
parent eda1d11979
commit acb0184fe9
3 changed files with 19 additions and 19 deletions
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1
drivers/hwtracing/coresight/coresight-trace-id.c
View file

@ -3,6 +3,7 @@
* Copyright (c) 2022, Linaro Limited, All rights reserved.
* Author: Mike Leach <mike.leach@linaro.org>
*/
#include <linux/coresight.h>
#include <linux/coresight-pmu.h>
#include <linux/cpumask.h>
#include <linux/kernel.h>

19
drivers/hwtracing/coresight/coresight-trace-id.h
View file

@ -32,10 +32,6 @@
#include <linux/bitops.h>
#include <linux/types.h>
/* architecturally we have 128 IDs some of which are reserved */
#define CORESIGHT_TRACE_IDS_MAX 128
/* ID 0 is reserved */
#define CORESIGHT_TRACE_ID_RES_0 0
@ -46,21 +42,6 @@
#define IS_VALID_CS_TRACE_ID(id) \
((id > CORESIGHT_TRACE_ID_RES_0) && (id < CORESIGHT_TRACE_ID_RES_TOP))
/**
* Trace ID map.
*
* @used_ids: Bitmap to register available (bit = 0) and in use (bit = 1) IDs.
* Initialised so that the reserved IDs are permanently marked as
* in use.
* @pend_rel_ids: CPU IDs that have been released by the trace source but not
* yet marked as available, to allow re-allocation to the same
* CPU during a perf session.
*/
struct coresight_trace_id_map {
DECLARE_BITMAP(used_ids, CORESIGHT_TRACE_IDS_MAX);
DECLARE_BITMAP(pend_rel_ids, CORESIGHT_TRACE_IDS_MAX);
};
/* Allocate and release IDs for a single default trace ID map */
/**

18
include/linux/coresight.h
View file

@ -218,6 +218,24 @@ struct coresight_sysfs_link {
const char *target_name;
};
/* architecturally we have 128 IDs some of which are reserved */
#define CORESIGHT_TRACE_IDS_MAX 128
/**
* Trace ID map.
*
* @used_ids: Bitmap to register available (bit = 0) and in use (bit = 1) IDs.
* Initialised so that the reserved IDs are permanently marked as
* in use.
* @pend_rel_ids: CPU IDs that have been released by the trace source but not
* yet marked as available, to allow re-allocation to the same
* CPU during a perf session.
*/
struct coresight_trace_id_map {
DECLARE_BITMAP(used_ids, CORESIGHT_TRACE_IDS_MAX);
DECLARE_BITMAP(pend_rel_ids, CORESIGHT_TRACE_IDS_MAX);
};
/**
* struct coresight_device - representation of a device as used by the framework
* @pdata: Platform data with device connections associated to this device.