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25 lines
747 B
25 lines
747 B
/* 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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#include <linux/const.h> |
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#define STM_FLAG_TIMESTAMPED _BITUL(3) |
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#define STM_FLAG_MARKED _BITUL(4) |
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#define STM_FLAG_GUARANTEED _BITUL(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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