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