64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/************************************************************************
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*
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* FILE NAME
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*
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* vacpi.h
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*
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* DESCRIPTION
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*
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* This file defines API and extern variable for virtual ACPI
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*
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************************************************************************/
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/**********************************/
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/* EXTERNAL VARIABLES */
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/**********************************/
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#ifndef VACPI_H
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#define VACPI_H
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#include <acpi.h>
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/*
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*
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* Create the minimal set of ACPI tables required to boot pre-launched VM
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*
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* The tables are placed in the guest's ROM area just below 1MB physical,
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* above the MPTable.
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*
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* Layout
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* ------
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* RSDP -> 0xf2400 (36 bytes fixed)
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* XSDT -> 0xf2480 (36 bytes + 8*7 table addrs, 4 used)
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* MADT -> 0xf2500 (depends on #CPUs)
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*/
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#define ACPI_BASE 0xf2400U
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#define ACPI_RSDP_ADDR (ACPI_BASE + 0x0U)
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#define ACPI_XSDT_ADDR (ACPI_BASE + 0x080U)
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#define ACPI_MADT_ADDR (ACPI_BASE + 0x100U)
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#define ACPI_OEM_ID "ACRN "
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#define ACPI_ASL_COMPILER_ID "INTL"
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#define ACPI_ASL_COMPILER_VERSION 0x20190802U
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struct acrn_vm;
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struct acpi_table_info {
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struct acpi_table_rsdp rsdp;
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struct acpi_table_xsdt xsdt;
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struct {
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struct acpi_table_madt madt;
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struct acpi_madt_local_apic_nmi lapic_nmi;
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struct acpi_madt_local_apic lapic_array[MAX_PCPU_NUM];
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} __packed;
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};
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void build_vacpi(struct acrn_vm *vm);
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#endif /* VACPI_H */
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