| /* 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 */ |
