brintos

brintos / linux-shallow public Read only

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1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */2/*3 * Copyright(c) 2015-2017 Intel Corporation.4 */5 6#ifndef _ASPM_H7#define _ASPM_H8 9#include "hfi.h"10 11extern uint aspm_mode;12 13enum aspm_mode {14	ASPM_MODE_DISABLED = 0,	/* ASPM always disabled, performance mode */15	ASPM_MODE_ENABLED = 1,	/* ASPM always enabled, power saving mode */16	ASPM_MODE_DYNAMIC = 2,	/* ASPM enabled/disabled dynamically */17};18 19void aspm_init(struct hfi1_devdata *dd);20void aspm_exit(struct hfi1_devdata *dd);21void aspm_hw_disable_l1(struct hfi1_devdata *dd);22void __aspm_ctx_disable(struct hfi1_ctxtdata *rcd);23void aspm_disable_all(struct hfi1_devdata *dd);24void aspm_enable_all(struct hfi1_devdata *dd);25 26static inline void aspm_ctx_disable(struct hfi1_ctxtdata *rcd)27{28	/* Quickest exit for minimum impact */29	if (likely(!rcd->aspm_intr_supported))30		return;31 32	__aspm_ctx_disable(rcd);33}34 35#endif /* _ASPM_H */36