cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pm.h (1582B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2014 NVIDIA Corporation
      4 */
      5
      6#ifndef __SOC_TEGRA_PM_H__
      7#define __SOC_TEGRA_PM_H__
      8
      9#include <linux/errno.h>
     10
     11enum tegra_suspend_mode {
     12	TEGRA_SUSPEND_NONE = 0,
     13	TEGRA_SUSPEND_LP2, /* CPU voltage off */
     14	TEGRA_SUSPEND_LP1, /* CPU voltage off, DRAM self-refresh */
     15	TEGRA_SUSPEND_LP0, /* CPU + core voltage off, DRAM self-refresh */
     16	TEGRA_MAX_SUSPEND_MODE,
     17	TEGRA_SUSPEND_NOT_READY,
     18};
     19
     20#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_ARM) && defined(CONFIG_ARCH_TEGRA)
     21enum tegra_suspend_mode
     22tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode);
     23
     24/* low-level resume entry point */
     25void tegra_resume(void);
     26
     27int tegra30_pm_secondary_cpu_suspend(unsigned long arg);
     28void tegra_pm_clear_cpu_in_lp2(void);
     29void tegra_pm_set_cpu_in_lp2(void);
     30int tegra_pm_enter_lp2(void);
     31int tegra_pm_park_secondary_cpu(unsigned long cpu);
     32void tegra_pm_init_suspend(void);
     33#else
     34static inline enum tegra_suspend_mode
     35tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode)
     36{
     37	return TEGRA_SUSPEND_NONE;
     38}
     39
     40static inline void tegra_resume(void)
     41{
     42}
     43
     44static inline int tegra30_pm_secondary_cpu_suspend(unsigned long arg)
     45{
     46	return -ENOTSUPP;
     47}
     48
     49static inline void tegra_pm_clear_cpu_in_lp2(void)
     50{
     51}
     52
     53static inline void tegra_pm_set_cpu_in_lp2(void)
     54{
     55}
     56
     57static inline int tegra_pm_enter_lp2(void)
     58{
     59	return -ENOTSUPP;
     60}
     61
     62static inline int tegra_pm_park_secondary_cpu(unsigned long cpu)
     63{
     64	return -ENOTSUPP;
     65}
     66
     67static inline void tegra_pm_init_suspend(void)
     68{
     69}
     70#endif /* CONFIG_PM_SLEEP */
     71
     72#endif /* __SOC_TEGRA_PM_H__ */