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