[Qemu-devel] [PATCH V4 04/10] configure: Introduce --enable-xen-pci-passthrough.

[Anthony PERARD <anthony.perard@citrix.com>]

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
 Makefile.target |    2 ++
 configure       |   25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 0 deletions(-)

diff --git a/Makefile.target b/Makefile.target
index a111521..2e881ce 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -219,6 +219,8 @@ obj-$(CONFIG_NO_XEN) += xen-stub.o
 
 obj-i386-$(CONFIG_XEN) += xen_platform.o
 
+# Xen PCI Passthrough
+
 # Inter-VM PCI shared memory
 CONFIG_IVSHMEM =
 ifeq ($(CONFIG_KVM), y)
diff --git a/configure b/configure
index 6c77fbb..1e6ea91 100755
--- a/configure
+++ b/configure
@@ -127,6 +127,7 @@ vnc_png=""
 vnc_thread="no"
 xen=""
 xen_ctrl_version=""
+xen_pci_passthrough=""
 linux_aio=""
 attr=""
 libattr=""
@@ -644,6 +645,10 @@ for opt do
   ;;
   --enable-xen) xen="yes"
   ;;
+  --disable-xen-pci-passthrough) xen_pci_passthrough="no"
+  ;;
+  --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
+  ;;
   --disable-brlapi) brlapi="no"
   ;;
   --enable-brlapi) brlapi="yes"
@@ -990,6 +995,8 @@ echo "                           (affects only QEMU, not qemu-img)"
 echo "  --enable-mixemu          enable mixer emulation"
 echo "  --disable-xen            disable xen backend driver support"
 echo "  --enable-xen             enable xen backend driver support"
+echo "  --disable-xen-pci-passthrough"
+echo "  --enable-xen-pci-passthrough"
 echo "  --disable-brlapi         disable BrlAPI"
 echo "  --enable-brlapi          enable BrlAPI"
 echo "  --disable-vnc-tls        disable TLS encryption for VNC server"
@@ -1357,6 +1364,21 @@ EOF
   fi
 fi
 
+if test "$xen_pci_passthrough" != "no"; then
+  if test "$xen" = "yes" && test "$linux" = "yes"; then
+    xen_pci_passthrough=yes
+  else
+    if test "$xen_pci_passthrough" = "yes"; then
+      echo "ERROR"
+      echo "ERROR: User requested feature Xen PCI Passthrough"
+      echo "ERROR: but this feature require /sys from Linux"
+      echo "ERROR"
+      exit 1;
+    fi
+    xen_pci_passthrough=no
+  fi
+fi
+
 ##########################################
 # pkg-config probe
 
@@ -3462,6 +3484,9 @@ case "$target_arch2" in
     if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
       target_phys_bits=64
       echo "CONFIG_XEN=y" >> $config_target_mak
+      if test "$xen_pci_passthrough" = yes; then
+        echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
+      fi
     else
       echo "CONFIG_NO_XEN=y" >> $config_target_mak
     fi
-- 
Anthony PERARD