acrn-hypervisor/misc/config_tools/xforms/misc_cfg.h.xsl

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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2021 Intel Corporation. -->
<!-- SPDX-License-Identifier: BSD-3-Clause -->
<xsl:stylesheet
version="1.0"
xmlns:xi="http://www.w3.org/2003/XInclude"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:dyn="http://exslt.org/dynamic"
xmlns:math="http://exslt.org/math"
xmlns:str="http://exslt.org/strings"
xmlns:acrn="http://projectacrn.org">
<xsl:include href="lib.xsl" />
<xsl:output method="text" />
<xsl:template match="/acrn-offline-data">
<!-- Declaration of license -->
<xsl:value-of select="$license" />
<!-- Header include guard -->
<xsl:value-of select="acrn:include-guard('MISC_CFG_H')" />
<xsl:apply-templates select="board-data/acrn-config" />
<xsl:apply-templates select="config-data/acrn-config" />
<xsl:apply-templates select="allocation-data//ssram" />
<xsl:value-of select="acrn:include-guard-end('MISC_CFG_H')" />
</xsl:template>
<xsl:template match="board-data/acrn-config">
<xsl:apply-templates select="BLOCK_DEVICE_INFO" />
</xsl:template>
<xsl:template match="config-data/acrn-config">
<xsl:if test="count(vm[acrn:is-service-vm(load_order)])">
<xsl:call-template name="sos_bootargs_diff" />
</xsl:if>
<xsl:call-template name="cpu_affinity" />
<xsl:call-template name="rdt" />
<xsl:call-template name="vm0_passthrough_tpm" />
<xsl:call-template name="vm_config_pci_dev_num" />
<xsl:call-template name="vm_boot_args" />
</xsl:template>
<xsl:template match="allocation-data//ssram">
<xsl:value-of select="acrn:define('PRE_RTVM_SW_SRAM_ENABLED', 1, '')" />
<xsl:value-of select="acrn:define('PRE_RTVM_SW_SRAM_BASE_GPA', start_gpa, 'UL')" />
<xsl:value-of select="acrn:define('PRE_RTVM_SW_SRAM_END_GPA', end_gpa, 'UL')" />
</xsl:template>
<xsl:template match="BLOCK_DEVICE_INFO">
<xsl:variable name="block_devices_list_1" select="translate(current(), $newline, ',')" />
<xsl:variable name="block_devices_list_2" select="translate($block_devices_list_1, $whitespaces, '')" />
<xsl:variable name="block_devices_list" select="str:split($block_devices_list_2, ',')" />
<xsl:for-each select="$block_devices_list">
<xsl:variable name="pos" select="position()" />
<xsl:variable name="block_device" select="$block_devices_list[$pos]" />
<xsl:if test="not(contains($block_device, 'ext4'))">
<xsl:value-of select="acrn:define(concat('ROOTFS_', $pos), concat($quot, 'root=', substring-before($block_device, ':'), ' ', $quot))" />
</xsl:if>
</xsl:for-each>
</xsl:template>
<xsl:template name="sos_bootargs_diff">
<xsl:variable name="sos_rootfs">
<xsl:variable name="bootargs" select="str:split(//vm[acrn:is-service-vm(load_order)]/os_config/bootargs[text()], ' ')" />
<xsl:for-each select="$bootargs">
<xsl:variable name="pos" select="position()" />
<xsl:variable name="bootarg" select="$bootargs[$pos]" />
<xsl:if test="contains($bootarg, 'root=')">
<xsl:value-of select="$bootarg" />
</xsl:if>
</xsl:for-each>
</xsl:variable>
<xsl:variable name="sos_bootargs" select="normalize-space(str:replace(//vm[acrn:is-service-vm(load_order)]/os_config/bootargs[text()], $sos_rootfs, ''))" />
<xsl:variable name="maxcpunum" select="count(//vm[acrn:is-service-vm(load_order)]/cpu_affinity/pcpu_id)" />
<xsl:variable name="hugepages" select="round(number(substring-before(//board-data//TOTAL_MEM_INFO, 'kB')) div (1024 * 1024)) - 3" />
<xsl:variable name="maxcpus">
<xsl:choose>
<xsl:when test="$maxcpunum != 0">
<xsl:value-of select="concat('maxcpus=', $maxcpunum)" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="''" />
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="hugepage_kernelstring">
<xsl:if test="//board-data//processors//capability[@id='gbyte_pages']">
<xsl:value-of select="concat('hugepagesz=1G hugepages=', $hugepages)" />
</xsl:if>
</xsl:variable>
<xsl:value-of select="acrn:define('SERVICE_VM_ROOTFS', concat($quot, $sos_rootfs, ' ', $quot), '')" />
<xsl:value-of select="acrn:define('SERVICE_VM_BOOTARGS_DIFF', concat($quot, $sos_bootargs, ' ', $maxcpus, ' ', $hugepage_kernelstring, ' ', $quot), '')" />
</xsl:template>
<xsl:template name="cpu_affinity">
<xsl:for-each select="vm">
<xsl:choose>
<xsl:when test="acrn:is-service-vm(load_order)">
<xsl:value-of select="acrn:define('SERVICE_VM_CONFIG_CPU_AFFINITY', concat('(', acrn:string-join(//vm[acrn:is-service-vm(load_order)]/cpu_affinity/pcpu_id, '|', 'AFFINITY_CPU(', 'U)'),')'), '')" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="acrn:define(concat('VM', @id, '_CONFIG_CPU_AFFINITY'), concat('(', acrn:string-join(cpu_affinity/pcpu_id, '|', 'AFFINITY_CPU(', 'U)'),')'), '')" />
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:template>
<!-- HV_SUPPORTED_MAX_CLOS:
The maximum CLOS that is allowed by ACRN hypervisor.
Its value is set to be least common Max CLOS (CPUID.(EAX=0x10,ECX=ResID):EDX[15:0])
among all supported RDT resources in the platform. In other words, it is
min(maximum CLOS of L2, L3 and MBA). This is done in order to have consistent
CLOS allocations between all the RDT resources. -->
<!-- MAX_MBA_CLOS_NUM_ENTRIES:
Max number of Cache Mask entries corresponding to each CLOS.
This can vary if CDP is enabled vs disabled, as each CLOS entry will have corresponding
cache mask values for Data and Code when CDP is enabled. -->
<!-- MAX_CACHE_CLOS_NUM_ENTRIES:
Max number of MBA delay entries corresponding to each CLOS. -->
<xsl:template name="rdt">
<xsl:variable name="rdt_res_clos_max" select="acrn:get-normalized-closinfo-rdt-clos-max-str()" />
<xsl:variable name="common_clos_max" select="acrn:get-common-clos-count()"/>
<xsl:choose>
<xsl:when test="acrn:is-cdp-enabled()">
<xsl:value-of select="acrn:ifdef('CONFIG_RDT_ENABLED')" />
<xsl:value-of select="acrn:ifdef('CONFIG_CDP_ENABLED')" />
<xsl:value-of select="acrn:define('HV_SUPPORTED_MAX_CLOS', $common_clos_max, 'U')" />
<xsl:value-of select="acrn:define('MAX_CACHE_CLOS_NUM_ENTRIES', 2 * $common_clos_max, 'U')" />
<xsl:value-of select="$else" />
<xsl:value-of select="acrn:define('HV_SUPPORTED_MAX_CLOS', acrn:find-list-min($rdt_res_clos_max, ','), 'U')" />
<xsl:value-of select="acrn:define('MAX_CACHE_CLOS_NUM_ENTRIES', $common_clos_max, 'U')" />
<xsl:value-of select="$endif" />
<xsl:value-of select="acrn:define('MAX_MBA_CLOS_NUM_ENTRIES', $common_clos_max, 'U')" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="acrn:ifdef('CONFIG_RDT_ENABLED')" />
<xsl:value-of select="acrn:define('HV_SUPPORTED_MAX_CLOS', $common_clos_max, 'U')" />
<xsl:value-of select="acrn:define('MAX_MBA_CLOS_NUM_ENTRIES', $common_clos_max, 'U')" />
<xsl:value-of select="acrn:define('MAX_CACHE_CLOS_NUM_ENTRIES', $common_clos_max, 'U')" />
<xsl:if test="not(acrn:is-rdt-supported())">
<xsl:value-of select="$endif" />
</xsl:if>
</xsl:otherwise>
</xsl:choose>
<xsl:if test="acrn:is-rdt-supported()">
<xsl:for-each select="hv/FEATURES/RDT/MBA_DELAY">
<xsl:value-of select="acrn:define(concat('MBA_MASK_', position() - 1), current(), 'U')" />
</xsl:for-each>
<xsl:for-each select="hv/FEATURES/RDT/CLOS_MASK">
<xsl:value-of select="acrn:define(concat('CLOS_MASK_', position() - 1), current(), 'U')" />
</xsl:for-each>
<xsl:value-of select="$endif" />
</xsl:if>
</xsl:template>
<xsl:template name="vm0_passthrough_tpm">
<xsl:if test="acrn:is-pre-launched-vm(vm[@id = 0]/load_order)">
<xsl:if test="//vm/mmio_resources/TPM2/text() = 'y' and //device[@id = 'MSFT0101' or compatible_id = 'MSFT0101']">
<xsl:value-of select="acrn:define('VM0_PASSTHROUGH_TPM', '', '')" />
<xsl:value-of select="acrn:define('VM0_TPM_BUFFER_BASE_ADDR', '0xFED40000', 'UL')" />
<xsl:value-of select="acrn:define('VM0_TPM_BUFFER_BASE_ADDR_GPA', '0xFED40000', 'UL')" />
<xsl:value-of select="acrn:define('VM0_TPM_BUFFER_SIZE', '0x5000', 'UL')" />
<xsl:if test="//capability[@id='log_area']">
<xsl:value-of select="acrn:define('VM0_TPM_EVENTLOG_BASE_ADDR', //allocation-data/acrn-config/vm[@id = '0']/log_area_start_address, 'UL')" />
<xsl:value-of select="acrn:define('VM0_TPM_EVENTLOG_BASE_ADDR_HPA', //capability[@id='log_area']/log_area_start_address, 'UL')" />
<xsl:value-of select="acrn:define('VM0_TPM_EVENTLOG_SIZE', //allocation-data/acrn-config/vm[@id = '0']/log_area_minimum_length, 'UL')" />
</xsl:if>
</xsl:if>
</xsl:if>
</xsl:template>
<xsl:template name="vm_config_pci_dev_num">
<xsl:for-each select="vm">
<xsl:if test="acrn:pci-dev-num(@id)">
<xsl:value-of select="acrn:define(concat('VM', @id, '_CONFIG_PCI_DEV_NUM'), acrn:pci-dev-num(@id), 'U')" />
</xsl:if>
</xsl:for-each>
<xsl:value-of select="$newline" />
</xsl:template>
<xsl:template name="vm_boot_args">
<xsl:for-each select="vm">
<xsl:if test="acrn:is-pre-launched-vm(load_order)">
<xsl:variable name="bootargs" select="normalize-space(os_config/bootargs)" />
<xsl:if test="$bootargs">
<xsl:value-of select="acrn:define(concat('VM', @id, '_BOOT_ARGS'), concat($quot, $bootargs, ' ', $quot), '')" />
</xsl:if>
</xsl:if>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>