23 lines
674 B
C
23 lines
674 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __UAPI_CORESIGHT_STM_H_
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#define __UAPI_CORESIGHT_STM_H_
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#define STM_FLAG_TIMESTAMPED BIT(3)
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#define STM_FLAG_GUARANTEED BIT(7)
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/*
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* The CoreSight STM supports guaranteed and invariant timing
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* transactions. Guaranteed transactions are guaranteed to be
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* traced, this might involve stalling the bus or system to
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* ensure the transaction is accepted by the STM. While invariant
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* timing transactions are not guaranteed to be traced, they
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* will take an invariant amount of time regardless of the
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* state of the STM.
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*/
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enum {
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STM_OPTION_GUARANTEED = 0,
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STM_OPTION_INVARIANT,
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};
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#endif
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