| 1 | /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
|---|---|
| 2 | /* |
| 3 | * Copyright(c) 2015-2017 Intel Corporation. |
| 4 | */ |
| 5 | |
| 6 | #ifndef _ASPM_H |
| 7 | #define _ASPM_H |
| 8 | |
| 9 | #include "hfi.h" |
| 10 | |
| 11 | extern uint aspm_mode; |
| 12 | |
| 13 | enum 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 | |
| 19 | void aspm_init(struct hfi1_devdata *dd); |
| 20 | void aspm_exit(struct hfi1_devdata *dd); |
| 21 | void aspm_hw_disable_l1(struct hfi1_devdata *dd); |
| 22 | void __aspm_ctx_disable(struct hfi1_ctxtdata *rcd); |
| 23 | void aspm_disable_all(struct hfi1_devdata *dd); |
| 24 | void aspm_enable_all(struct hfi1_devdata *dd); |
| 25 | |
| 26 | static 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 |