2021-10-02 16:09:28 +00:00
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/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
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2021-05-26 19:09:36 +00:00
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/*
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* Copyright(c) 2015-2017 Intel Corporation.
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*/
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2021-10-02 16:09:28 +00:00
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2021-05-26 19:09:36 +00:00
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#ifndef _ASPM_H
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#define _ASPM_H
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#include "hfi.h"
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extern uint aspm_mode;
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enum aspm_mode {
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ASPM_MODE_DISABLED = 0, /* ASPM always disabled, performance mode */
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ASPM_MODE_ENABLED = 1, /* ASPM always enabled, power saving mode */
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ASPM_MODE_DYNAMIC = 2, /* ASPM enabled/disabled dynamically */
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};
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void aspm_init(struct hfi1_devdata *dd);
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void aspm_exit(struct hfi1_devdata *dd);
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void aspm_hw_disable_l1(struct hfi1_devdata *dd);
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void __aspm_ctx_disable(struct hfi1_ctxtdata *rcd);
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void aspm_disable_all(struct hfi1_devdata *dd);
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void aspm_enable_all(struct hfi1_devdata *dd);
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static inline void aspm_ctx_disable(struct hfi1_ctxtdata *rcd)
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{
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/* Quickest exit for minimum impact */
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if (likely(!rcd->aspm_intr_supported))
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return;
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__aspm_ctx_disable(rcd);
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}
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#endif /* _ASPM_H */
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