From 11da9e94754f09a8778474dfb935abe776c13751 Mon Sep 17 00:00:00 2001
From: Yifan Liu <yifan1.liu@intel.com>
Date: Wed, 1 Jun 2022 16:20:29 +0800
Subject: [PATCH] misc: Limit IVSHMEM region name to 27 characters

Current IVSHMEM region name does not have size limit. This patch limits
it to 27 characters so that land specifier ("hv:/" or "dm:/") plus region
name can fit into an array of 32 characters.

Also change some descriptive messages.

Tracked-On: #7707
Signed-off-by: Yifan Liu <yifan1.liu@intel.com>
---
 misc/config_tools/schema/types.xsd | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/misc/config_tools/schema/types.xsd b/misc/config_tools/schema/types.xsd
index 30a24ccad..cdfffb218 100644
--- a/misc/config_tools/schema/types.xsd
+++ b/misc/config_tools/schema/types.xsd
@@ -245,14 +245,14 @@ Read more about the available scheduling options in :ref:`cpu_sharing`.</xs:docu
   <xs:all>
     <xs:element name="NAME" minOccurs="1">
       <xs:annotation acrn:title="Region Name">
-        <xs:documentation>Name of the shared memory region.</xs:documentation>
+        <xs:documentation>Name of the shared memory region. The name must be between 1-27 characters and contain only letters, digits and "_".</xs:documentation>
       </xs:annotation>
       <xs:simpleType>
   <xs:annotation>
-    <xs:documentation>A string with no spaces.</xs:documentation>
+    <xs:documentation>Must be 1-27 characters and only letters, digits and "_".</xs:documentation>
   </xs:annotation>
 	<xs:restriction base="xs:string">
-	  <xs:pattern value="\w+" />
+	  <xs:pattern value="\w{1,27}" />
 	</xs:restriction>
       </xs:simpleType>
     </xs:element>