From 982b4c1e0e9e6a748472a27bd0c8127f57224954 Mon Sep 17 00:00:00 2001
From: "Yang,Yu-chu" <yu-chu.yang@intel.com>
Date: Mon, 8 Mar 2021 12:01:32 -0800
Subject: [PATCH] config-tools: add the misc_cfg.h.xsl

Add a xslt file "misc_cfg.h.xsl". This file is used to
generate misc_cfg.h which is used by hypervisor.

Tracked-On: #5980
Signed-off-by: Yang,Yu-chu <yu-chu.yang@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
---
 misc/config_tools/xforms/misc_cfg.h.xsl | 218 ++++++++++++++++++++++++
 1 file changed, 218 insertions(+)
 create mode 100644 misc/config_tools/xforms/misc_cfg.h.xsl

diff --git a/misc/config_tools/xforms/misc_cfg.h.xsl b/misc/config_tools/xforms/misc_cfg.h.xsl
new file mode 100644
index 000000000..0b85e1d28
--- /dev/null
+++ b/misc/config_tools/xforms/misc_cfg.h.xsl
@@ -0,0 +1,218 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!-- Copyright (C) 2021 Intel Corporation. All rights reserved. -->
+<!-- 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: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="$license" />
+
+    <!-- Header include guard -->
+    <xsl:value-of select="acrn:include-guard('MISC_CFG_H')" />
+
+    <xsl:apply-templates select="config-data/acrn-config" />
+
+    <xsl:value-of select="acrn:include-guard-end('MISC_CFG_H')" />
+  </xsl:template>
+
+  <xsl:template match="config-data/acrn-config">
+    <xsl:if test="count(vm[acrn:is-sos-vm(vm_type)])">
+      <xsl:call-template name="sos_rootfs" />
+      <xsl:call-template name="sos_serial_console" />
+      <xsl:call-template name="sos_com_vuarts" />
+      <xsl:call-template name="sos_bootargs_diff" />
+    </xsl:if>
+    <xsl:call-template name="cpu_affinity" />
+    <xsl:call-template name="rdt" />
+    <xsl:call-template name="vm0_passthrough_tpm" />
+    <xsl:call-template name="vm_config_pci_dev_num" />
+    <xsl:call-template name="vm_boot_args" />
+    <xsl:call-template name="vm_pt_intx_num" />
+  </xsl:template>
+
+<xsl:template name="sos_rootfs">
+  <xsl:value-of select="acrn:define('SOS_ROOTFS', concat($quot, 'root=', vm/board_private/rootfs[text()], $quot), '')" />
+</xsl:template>
+
+<xsl:template name="sos_serial_console">
+  <xsl:variable name="consoleport" select="hv/DEBUG_OPTIONS/SERIAL_CONSOLE" />
+  <xsl:variable name="sos_console">
+    <xsl:if test="$consoleport = ''">
+      <xsl:text>" "</xsl:text>
+    </xsl:if>
+    <xsl:if test="$consoleport != ''">
+      <xsl:if test="contains($consoleport, '/')">
+        <xsl:value-of select="concat($quot, 'console=', substring-after(substring-after($consoleport,'/'), '/'), $quot)" />
+      </xsl:if>
+      <xsl:if test="not(contains($consoleport, '/'))">
+        <xsl:value-of select="concat($quot, 'console=', $consoleport, $quot)" />
+      </xsl:if>
+    </xsl:if>
+  </xsl:variable>
+  <xsl:value-of select="acrn:define('SOS_CONSOLE', $sos_console, '')" />
+</xsl:template>
+
+<xsl:template name="sos_com_vuarts">
+  <xsl:for-each select="vm">
+    <xsl:if test="acrn:is-sos-vm(vm_type)">
+      <xsl:choose>
+        <xsl:when test="legacy_vuart[@id = 0]/base[text() != 'INVALID_COM_BASE']">
+          <xsl:value-of select="acrn:define('SOS_COM1_BASE', //allocation-data/acrn-config/vm[acrn:is-sos-vm(vm_type)]/legacy_vuart[@id = 0]/base, 'U')" />
+          <xsl:value-of select="acrn:define('SOS_COM1_IRQ', //allocation-data/acrn-config/vm[acrn:is-sos-vm(vm_type)]/legacy_vuart[@id = 0]/irq, 'U')" />
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="acrn:define('SOS_COM1_BASE', '0', 'U')" />
+          <xsl:value-of select="acrn:define('SOS_COM1_IRQ', '0', 'U')" />
+        </xsl:otherwise>
+      </xsl:choose>
+      <xsl:if test="legacy_vuart[@id = 1]/base[text() != 'INVALID_COM_BASE']">
+        <xsl:value-of select="acrn:define('SOS_COM2_BASE', //allocation-data/acrn-config/vm[acrn:is-sos-vm(vm_type)]/legacy_vuart[@id = 1]/base, 'U')" />
+        <xsl:value-of select="acrn:define('SOS_COM2_IRQ', //allocation-data/acrn-config/vm[acrn:is-sos-vm(vm_type)]/legacy_vuart[@id = 1]/irq, 'U')" />
+      </xsl:if>
+      <xsl:value-of select="$newline" />
+    </xsl:if>
+  </xsl:for-each>
+</xsl:template>
+
+<xsl:template name="sos_bootargs_diff">
+  <xsl:variable name="bootargs" select="normalize-space(vm[acrn:is-sos-vm(vm_type)]/board_private/bootargs[text()])" />
+  <xsl:variable name="maxcpunum" select="count(//vm[acrn:is-sos-vm(vm_type)]/cpu_affinity/pcpu_id)" />
+  <xsl:variable name="maxcpus">
+    <xsl:choose>
+      <xsl:when test="$maxcpunum != 0">
+        <xsl:value-of select="concat('maxcpus=', $maxcpunum)" />
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="''" />
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+  <xsl:value-of select="acrn:define('SOS_BOOTARGS_DIFF', concat($quot, $bootargs, ' ', $maxcpus, $quot), '')" />
+</xsl:template>
+
+<xsl:template name="cpu_affinity">
+  <xsl:for-each select="vm">
+    <xsl:choose>
+      <xsl:when test="acrn:is-sos-vm(vm_type)">
+        <xsl:value-of select="acrn:define('SOS_VM_CONFIG_CPU_AFFINITY', concat('(', acrn:string-join(//vm[acrn:is-sos-vm(vm_type)]/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>
+
+<xsl:template name="vcpu_clos">
+  <xsl:for-each select="vm">
+    <xsl:value-of select="acrn:define(concat('VM', @id, '_VCPU_CLOS'), concat('{', acrn:string-join(clos/vcpu_clos, ',', '', 'U'),'}'), '')" />
+  </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_resource" select="normalize-space(substring-before(substring-after(//CLOS_INFO, 'rdt resources supported:'), 'rdt resource clos max:'))" />
+  <xsl:variable name="rdt_res_clos_max" select="normalize-space(substring-before(substring-after(//CLOS_INFO, 'rdt resource clos max:'), 'rdt resource mask max:'))" />
+  <xsl:variable name="common_clos_max" select="acrn:get-common-clos-max('', $rdt_resource, $rdt_res_clos_max)"/>
+  <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="acrn:define('MAX_MBA_CLOS_NUM_ENTRIES', $common_clos_max, 'U')" />
+      <xsl:value-of select="$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: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:call-template name="vcpu_clos" />
+    <xsl:value-of select="$endif" />
+  </xsl:if>
+</xsl:template>
+
+<xsl:template name="vm0_passthrough_tpm">
+  <xsl:if test="acrn:is-pre-launched-vm(vm[@id = 0]/vm_type)">
+    <xsl:if test="acrn:is-tpm-passthrough-board()">
+      <xsl:if test="vm[@id = 0]/mmio_resources/TPM2 = 'y'">
+        <xsl:value-of select="acrn:define('VM0_PASSTHROUGH_TPM', '', '')" />
+        <xsl:value-of select="acrn:define('VM0_TPM_BUFFER_BASE_ADDR', '0xFED40000', 'UL')" />
+        <xsl:value-of select="acrn:define('VM0_TPM_BUFFER_BASE_ADDR_GPA', '0xFED40000', 'UL')" />
+        <xsl:value-of select="acrn:define('VM0_TPM_BUFFER_SIZE', '0x5000', 'UL')" />
+      </xsl:if>
+    </xsl:if>
+  </xsl:if>
+</xsl:template>
+
+<xsl:template name="vm_config_pci_dev_num">
+  <xsl:for-each select="vm">
+    <xsl:if test="acrn:pci-dev-num(@id)">
+      <xsl:value-of select="acrn:define(concat('VM', @id, '_CONFIG_PCI_DEV_NUM'), acrn:pci-dev-num(@id), 'U')" />
+    </xsl:if>
+  </xsl:for-each>
+  <xsl:value-of select="$newline" />
+</xsl:template>
+
+<xsl:template name="vm_boot_args">
+  <xsl:for-each select="vm">
+    <xsl:if test="acrn:is-pre-launched-vm(vm_type)">
+    <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, $quot), '')" />
+      </xsl:if>
+    </xsl:if>
+  </xsl:for-each>
+</xsl:template>
+
+<xsl:template name="vm_pt_intx_num">
+  <xsl:variable name="pt_intx" select="normalize-space(vm/pt_intx)" />
+  <xsl:variable name="length" select="string-length($pt_intx) - string-length(translate($pt_intx, ',', ''))" />
+  <xsl:choose>
+    <xsl:when test="$length">
+      <xsl:value-of select="acrn:define('VM0_PT_INTX_NUM', $length, 'U')" />
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:value-of select="acrn:define('VM0_PT_INTX_NUM', 0, 'U')" />
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+</xsl:stylesheet>