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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2021 Western Digital Corporation or its affiliates.
* Copyright (c) 2022 Ventana Micro Systems Inc.
*/
#ifndef _ASM_RISCV_SUSPEND_H
#define _ASM_RISCV_SUSPEND_H
#include <asm/ptrace.h>
struct suspend_context {
/* Saved and restored by low-level functions */
struct pt_regs regs;
/* Saved and restored by high-level functions */
unsigned long scratch;
unsigned long tvec;
unsigned long ie;
#ifdef CONFIG_MMU
unsigned long satp;
#endif
};
/* Low-level CPU suspend entry function */
int __cpu_suspend_enter(struct suspend_context *context);
/* High-level CPU suspend which will save context and call finish() */
int cpu_suspend(unsigned long arg,
int (*finish)(unsigned long arg,
unsigned long entry,
unsigned long context));
/* Low-level CPU resume entry function */
int __cpu_resume_enter(unsigned long hartid, unsigned long context);
#endif
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