[Xen-devel] Re: [PATCH V2 01/10] configure: Introduce --enable-xen-pci-passthrough.

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 19 Oct 2011, Anthony PERARD wrote:
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> ---
>  Makefile.target |    2 ++
>  configure       |   21 +++++++++++++++++++++
>  2 files changed, 23 insertions(+), 0 deletions(-)
> 
> diff --git a/Makefile.target b/Makefile.target
> index 417f23e..c518103 100644
> --- a/Makefile.target
> +++ b/Makefile.target
> @@ -208,6 +208,8 @@ obj-$(CONFIG_NO_XEN) += xen-stub.o
>  
>  obj-i386-$(CONFIG_XEN) += xen_platform.o
>  
> +# Xen PCI Passthrough
> +

why?

>  # Inter-VM PCI shared memory
>  CONFIG_IVSHMEM =
>  ifeq ($(CONFIG_KVM), y)
> diff --git a/configure b/configure
> index 9b4fe34..63c5c30 100755
> --- a/configure
> +++ b/configure
> @@ -127,6 +127,7 @@ vnc_png=""
>  vnc_thread="no"
>  xen=""
>  xen_ctrl_version=""
> +xen_pci_passthrough=""
>  linux_aio=""
>  attr=""
>  xfs=""
> @@ -641,6 +642,10 @@ for opt do
>    ;;
>    --enable-xen) xen="yes"
>    ;;
> +  --disable-xen-pci-passthrough) xen_pci_passthrough="no"
> +  ;;
> +  --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
> +  ;;
>    --disable-brlapi) brlapi="no"
>    ;;
>    --enable-brlapi) brlapi="yes"
> @@ -979,6 +984,8 @@ echo "                           (affects only QEMU, not 
> qemu-img)"
>  echo "  --enable-mixemu          enable mixer emulation"
>  echo "  --disable-xen            disable xen backend driver support"
>  echo "  --enable-xen             enable xen backend driver support"
> +echo "  --disable-xen-pci-passthrough"
> +echo "  --enable-xen-pci-passthrough"
>  echo "  --disable-brlapi         disable BrlAPI"
>  echo "  --enable-brlapi          enable BrlAPI"
>  echo "  --disable-vnc-tls        disable TLS encryption for VNC server"
> @@ -1342,6 +1349,17 @@ EOF
>    fi
>  fi
>  
> +if test "$xen_pci_passthrough" != "no"; then
> +  if test "$xen" = "yes" -a "$linux" = "yes"; then
> +    xen_pci_passthrough=yes
> +  else
> +    if test "$xen_pci_passthrough" = "yes"; then
> +      feature_not_found "Xen PCI Passthrough without Xen or not on linux"
> +    fi
> +    xen_pci_passthrough=no
> +  fi
> +fi
> +
>  ##########################################
>  # pkg-config probe
>  
> @@ -3365,6 +3383,9 @@ case "$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
> 

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