[Qemu-devel] [PATCH V12 6/8] Introduce --enable-tpm-passthrough configure option

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

[-- Attachment #1: qemu_tpm_pt_config_opt.diff --]
[-- Type: text/plain, Size: 2160 bytes --]

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(-)

Index: qemu-git.pt/configure
===================================================================
--- qemu-git.pt.orig/configure
+++ qemu-git.pt/configure
@@ -183,6 +183,7 @@ opengl=""
 zlib="yes"
 guest_agent="yes"
 tpm="no"
+tpm_passthrough="no"
 
 # parse CC options first
 for opt do
@@ -775,11 +776,20 @@ 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
+
 #
 # If cpu ~= sparc and  sparc_cpu hasn't been defined, plug in the right
 # QEMU_CFLAGS/LDFLAGS (assume sparc_v8plus for 32-bit and sparc_v9 for 64-bit)
@@ -1058,6 +1068,7 @@ echo "  --enable-usb-redir       enable 
 echo "  --disable-guest-agent    disable building of the QEMU Guest Agent"
 echo "  --enable-guest-agent     enable building of the QEMU Guest Agent"
 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
@@ -2725,6 +2736,7 @@ echo "usb net redir     $usb_redir"
 echo "OpenGL support    $opengl"
 echo "build guest agent $guest_agent"
 echo "TPM support       $tpm"
+echo "TPM passthrough   $tpm_passthrough"
 
 if test "$sdl_too_old" = "yes"; then
 echo "-> Your SDL version is too old - please upgrade to have SDL support"
@@ -3575,7 +3587,9 @@ fi
 if test "$tpm" = "yes"; then
   if test "$target_softmmu" = "yes" ; then
     if test "$linux" = "yes" ; then
-      echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_target_mak
+      if test "$tpm_passthrough" = "yes" ; then
+        echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_target_mak
+      fi
     fi
     echo "CONFIG_TPM=y" >> $config_host_mak
   fi