config_tools: support vUART Tx/Rx buffer size configuration

Introduce an interface to define Tx/Tx buffer size via ACRN config tool.
User can configure under Hypervisor->Advanced Parameters.

Tracked-On: #8644
Signed-off-by: Haiwei Li <haiwei.li@intel.com>

hypervisor/include/dm/vuart.h

@@ -32,8 +32,8 @@
 #include <asm/lib/spinlock.h>
 #include <asm/vm_config.h>
 
-#define RX_BUF_SIZE		256U
+#define RX_BUF_SIZE		CONFIG_VUART_RX_BUF_SIZE
-#define TX_BUF_SIZE		8192U
+#define TX_BUF_SIZE		CONFIG_VUART_TX_BUF_SIZE
 #define INVAILD_VUART_IDX	0xFFU
 
 #define COM1_BASE		0x3F8U

misc/config_tools/schema/config.xsd

@@ -124,6 +124,36 @@ If your VM is not a security VM, leave this option unchecked. </xs:documentation
         <xs:documentation>Enable the software workaround for Machine Check Error on Page Size Change (erratum in some processor families).  For more information about this workaround and affected processors, see this `MCE Avoidance on Page Size Change White Paper &lt;https://www.intel.com/content/www/us/en/developer/articles/troubleshooting/software-security-guidance/technical-documentation/machine-check-error-avoidance-page-size-change.html&gt;`_.</xs:documentation>
       </xs:annotation>
     </xs:element>
+    <xs:element name="VUART_RX_BUF_SIZE" default="256">
+      <xs:annotation acrn:title="vuart rx buffer size (bytes)" acrn:views="advanced"
+                     acrn:errormsg="'required': 'must config the max rx buffer size of vuart in byte'">
+        <xs:documentation>Specify the maximum rx buffer size of vuart.</xs:documentation>
+      </xs:annotation>
+      <xs:simpleType>
+         <xs:annotation>
+           <xs:documentation>Integer from 256 to 2560.</xs:documentation>
+         </xs:annotation>
+        <xs:restriction base="xs:integer">
+          <xs:minInclusive value="256" />
+          <xs:maxInclusive value="2560" />
+        </xs:restriction>
+      </xs:simpleType>
+    </xs:element>
+    <xs:element name="VUART_TX_BUF_SIZE" default="8192">
+      <xs:annotation acrn:title="vuart tx buffer size" acrn:views="advanced"
+                     acrn:errormsg="'required': 'must config the max tx buffer size of vuart in byte'">
+        <xs:documentation>Specify the maximum tx buffer size of vuart.</xs:documentation>
+      </xs:annotation>
+      <xs:simpleType>
+         <xs:annotation>
+           <xs:documentation>Integer from 8192 to 81920.</xs:documentation>
+         </xs:annotation>
+        <xs:restriction base="xs:integer">
+          <xs:minInclusive value="8192" />
+          <xs:maxInclusive value="81920" />
+        </xs:restriction>
+      </xs:simpleType>
+    </xs:element>
     <xs:element name="RDT" type="RDTType">
       <xs:annotation acrn:title="Intel Resource Director Tech" acrn:views="">
         <xs:documentation>Intel Resource Director Technology (RDT) provides cache and memory bandwidth allocation features. The features can be used to improve an application's real-time performance.</xs:documentation>

misc/config_tools/xforms/config_common.xsl

@@ -158,6 +158,14 @@
       <xsl:with-param name="key" select="'IVSHMEM_ENABLED'" />
       <xsl:with-param name="value" select="count(//hv//IVSHMEM/IVSHMEM_REGION[PROVIDED_BY = 'Hypervisor']) > 0" />
     </xsl:call-template>
+
+    <xsl:call-template name="integer-by-key">
+      <xsl:with-param name="key" select="'VUART_RX_BUF_SIZE'" />
+    </xsl:call-template>
+
+    <xsl:call-template name="integer-by-key">
+      <xsl:with-param name="key" select="'VUART_TX_BUF_SIZE'" />
+    </xsl:call-template>
   </xsl:template>
 
   <xsl:template match="MEMORY">