139 lines
2.7 KiB
C
139 lines
2.7 KiB
C
/*
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* Copyright (C) 2018 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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#include <vtd.h>
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#include <platform_acpi_info.h>
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static struct dmar_dev_scope drhd0_dev_scope[MAX_DRHD_DEVSCOPES] = {
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{
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.bus = DRHD0_DEVSCOPE0_BUS,
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.devfun = DRHD0_DEVSCOPE0_PATH
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},
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{
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.bus = DRHD0_DEVSCOPE1_BUS,
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.devfun = DRHD0_DEVSCOPE1_PATH
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},
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{
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.bus = DRHD0_DEVSCOPE2_BUS,
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.devfun = DRHD0_DEVSCOPE2_PATH
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},
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{
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.bus = DRHD0_DEVSCOPE3_BUS,
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.devfun = DRHD0_DEVSCOPE3_PATH
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}
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};
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static struct dmar_dev_scope drhd1_dev_scope[MAX_DRHD_DEVSCOPES] = {
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{
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.type = ACPI_DMAR_SCOPE_TYPE_IOAPIC,
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.id = DRHD1_IOAPIC_ID,
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.bus = DRHD1_DEVSCOPE0_BUS,
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.devfun = DRHD1_DEVSCOPE0_PATH
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},
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{
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.bus = DRHD1_DEVSCOPE1_BUS,
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.devfun = DRHD1_DEVSCOPE1_PATH
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},
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{
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.bus = DRHD1_DEVSCOPE2_BUS,
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.devfun = DRHD1_DEVSCOPE2_PATH
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},
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{
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.bus = DRHD1_DEVSCOPE3_BUS,
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.devfun = DRHD1_DEVSCOPE3_PATH
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}
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};
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static struct dmar_dev_scope drhd2_dev_scope[MAX_DRHD_DEVSCOPES] = {
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{
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.bus = DRHD2_DEVSCOPE0_BUS,
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.devfun = DRHD2_DEVSCOPE0_PATH
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},
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{
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.bus = DRHD2_DEVSCOPE1_BUS,
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.devfun = DRHD2_DEVSCOPE1_PATH
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},
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{
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.bus = DRHD2_DEVSCOPE2_BUS,
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.devfun = DRHD2_DEVSCOPE2_PATH
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},
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{
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.bus = DRHD2_DEVSCOPE3_BUS,
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.devfun = DRHD2_DEVSCOPE3_PATH
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}
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};
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static struct dmar_dev_scope drhd3_dev_scope[MAX_DRHD_DEVSCOPES] = {
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{
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.bus = DRHD3_DEVSCOPE0_BUS,
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.devfun = DRHD3_DEVSCOPE0_PATH
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},
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{
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.bus = DRHD3_DEVSCOPE1_BUS,
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.devfun = DRHD3_DEVSCOPE1_PATH
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},
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{
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.bus = DRHD3_DEVSCOPE2_BUS,
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.devfun = DRHD3_DEVSCOPE2_PATH
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},
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{
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.bus = DRHD3_DEVSCOPE3_BUS,
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.devfun = DRHD3_DEVSCOPE3_PATH
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}
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};
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static struct dmar_drhd drhd_info_array[MAX_DRHDS] = {
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{
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.dev_cnt = DRHD0_DEV_CNT,
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.segment = DRHD0_SEGMENT,
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.flags = DRHD0_FLAGS,
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.reg_base_addr = DRHD0_REG_BASE,
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.ignore = DRHD0_IGNORE,
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.devices = drhd0_dev_scope
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},
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{
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.dev_cnt = DRHD1_DEV_CNT,
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.segment = DRHD1_SEGMENT,
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.flags = DRHD1_FLAGS,
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.reg_base_addr = DRHD1_REG_BASE,
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.ignore = DRHD1_IGNORE,
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.devices = drhd1_dev_scope
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},
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{
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.dev_cnt = DRHD2_DEV_CNT,
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.segment = DRHD2_SEGMENT,
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.flags = DRHD2_FLAGS,
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.reg_base_addr = DRHD2_REG_BASE,
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.ignore = DRHD2_IGNORE,
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.devices = drhd2_dev_scope
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},
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{
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.dev_cnt = DRHD3_DEV_CNT,
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.segment = DRHD3_SEGMENT,
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.flags = DRHD3_FLAGS,
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.reg_base_addr = DRHD3_REG_BASE,
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.ignore = DRHD3_IGNORE,
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.devices = drhd3_dev_scope
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}
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};
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static struct dmar_info plat_dmar_info = {
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.drhd_count = DRHD_COUNT,
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.drhd_units = drhd_info_array,
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};
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/**
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* @post return != NULL
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* @post return->drhd_count > 0U
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*/
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struct dmar_info *get_dmar_info(void)
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{
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#ifdef CONFIG_ACPI_PARSE_ENABLED
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parse_dmar_table(&plat_dmar_info);
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#endif
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return &plat_dmar_info;
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}
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