[Qemu-devel] [PATCH V20 7/8] Introduce --enable-tpm-passthrough configure option

[Stefan Berger <stefanb@linux.vnet.ibm.com>]

Introduce --enable-tpm-passthrough configure option.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
---
 configure | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 73fc146..f54d40e 100755
--- a/configure
+++ b/configure
@@ -224,6 +224,7 @@ coroutine=""
 seccomp=""
 glusterfs=""
 tpm="no"
+tpm_passthrough="no"
 
 # parse CC options first
 for opt do
@@ -874,11 +875,20 @@ for opt do
   ;;
   --enable-tpm) tpm="yes"
   ;;
+  --enable-tpm-passthrough) tpm_passthrough="yes"
+  ;;
   *) echo "ERROR: unknown option $opt"; show_help="yes"
   ;;
   esac
 done
 
+if test "$tpm" = "no" ; then
+    if test "$tpm_passthrough" = "yes"; then
+        echo "ERROR: --enable-tpm-passthrough requires --enable-tpm"
+        exit 1
+    fi
+fi
+
 case "$cpu" in
     sparc)
            LDFLAGS="-m32 $LDFLAGS"
@@ -1123,6 +1133,7 @@ echo "                           gthread, ucontext, sigaltstack, windows"
 echo "  --enable-glusterfs       enable GlusterFS backend"
 echo "  --disable-glusterfs      disable GlusterFS backend"
 echo "  --enable-tpm             enable TPM support"
+echo "  --enable-tpm-passthrough enable TPM passthrough driver"
 echo ""
 echo "NOTE: The object files are built at the place where configure is launched"
 exit 1
@@ -3255,6 +3266,7 @@ echo "seccomp support   $seccomp"
 echo "coroutine backend $coroutine_backend"
 echo "GlusterFS support $glusterfs"
 echo "TPM support       $tpm"
+echo "TPM passthrough   $tpm_passthrough"
 
 if test "$sdl_too_old" = "yes"; then
 echo "-> Your SDL version is too old - please upgrade to have SDL support"
@@ -4157,7 +4169,9 @@ fi
 if test "$tpm" = "yes"; then
   if test "$target_softmmu" = "yes" ; then
     if test "$linux" = "yes" ; then
-      echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
+      if test "$tpm_passthrough" = "yes" ; then
+        echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
+      fi
     fi
     echo "CONFIG_TPM=y" >> $config_host_mak
   fi
-- 
1.7.11.7