Mailing List Archive

# HG changeset patch
# User kaf24@firebug.cl.cam.ac.uk
# Node ID bf176086255baefd27f223a9a5b88c27896fa7ce
# Parent 6f7c5439a6c49e0f74b673e8d7863365075086be
Update the TPM hotplug scripts to determine the reason of a
device creation (create/resume).

Signed-off-by: Stefan Berger <stefanb@us.ibm.com>

diff -r 6f7c5439a6c4 -r bf176086255b tools/examples/vtpm
--- a/tools/examples/vtpm Fri Feb 3 19:30:54 2006
+++ b/tools/examples/vtpm Sat Feb 4 09:58:28 2006
@@ -5,16 +5,16 @@


case "$command" in
- online | offline)
- exit 0
- ;;
-esac
-
-case "$command" in
add)
vtpm_create_instance
;;
+ online)
+ vtpm_create_instance
+ ;;
remove)
+ vtpm_remove_instance
+ ;;
+ offline)
vtpm_remove_instance
;;
esac
diff -r 6f7c5439a6c4 -r bf176086255b tools/examples/vtpm-common.sh
--- a/tools/examples/vtpm-common.sh Fri Feb 3 19:30:54 2006
+++ b/tools/examples/vtpm-common.sh Sat Feb 4 09:58:28 2006
@@ -219,6 +219,17 @@
}


+# Find the reason for the creation of this device:
+# Set global REASON variable to 'resume' or 'create'
+function get_create_reason () {
+ local resume=$(xenstore-read $XENBUS_PATH/resume)
+ if [ "$resume" == "True" ]; then
+ REASON="resume"
+ else
+ REASON="create"
+ fi
+}
+
#Create a vTPM instance
# If no entry in the TPM database is found, the instance is
# created and an entry added to the database.
@@ -226,6 +237,7 @@
local domname=$(xenstore_read "$XENBUS_PATH"/domain)
local res
set +e
+ get_create_reason
find_instance $domname
res=$?
if [ $res -eq 0 ]; then
@@ -243,7 +255,7 @@
add_instance $domname $instance
if [ "$REASON" == "create" ]; then
vtpm_create $instance
- elif [ "$REASON" == "hibernate" ]; then
+ elif [ "$REASON" == "resume" ]; then
vtpm_resume $instance $domname
else
#default case for 'now'
@@ -252,11 +264,12 @@
fi
if [ "$REASON" == "create" ]; then
vtpm_reset $instance
- elif [ "$REASON" == "hibernate" ]; then
+ elif [ "$REASON" == "resume" ]; then
vtpm_setup $instance
else
#default case for 'now'
- vtpm_reset $instance
+ #vtpm_reset $instance
+ true
fi
xenstore_write $XENBUS_PATH/instance $instance
set -e
@@ -273,7 +286,7 @@
#Something is really wrong with the DB
log err "vTPM DB file $VTPMDB has no entry for '$domname'"
else
- if [ "$REASON" == "hibernate" ]; then
+ if [ "$REASON" == "suspend" ]; then
vtpm_suspend $instance
fi
fi

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