From: Wei Liu <wei.liu2@citrix.com>
Date: Tue, 28 Jan 2014 15:38:01 +0000
Subject: xl: honor more top level vfb options

Now that SDL and keymap options for VFB can also be specified in top
level options. Documentation is also updated.

This fixes bug #31 and further possible problems.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: Olaf Hering <olaf@aepfle.de>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
---
 docs/man/xl.cfg.pod.5    |  4 ++--
 tools/libxl/xl_cmdimpl.c | 17 ++++++++++++++---
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/docs/man/xl.cfg.pod.5 b/docs/man/xl.cfg.pod.5
index e15a49f..49a9250 100644
--- a/docs/man/xl.cfg.pod.5
+++ b/docs/man/xl.cfg.pod.5
@@ -389,8 +389,8 @@ This options does not control the emulated graphics card presented to
 an HVM guest. See L<Emulated VGA Graphics Device> below for how to
 configure the emulated device. If L<Emulated VGA Graphics Device> options
 are used in a PV guest configuration, xl will pick up B<vnc>, B<vnclisten>,
-B<vncpasswd>, B<vncdisplay> and B<vncunused> to construct paravirtual
-framebuffer device for the guest.
+B<vncpasswd>, B<vncdisplay>, B<vncunused>, B<sdl>, B<opengl> and
+B<keymap> to construct paravirtual framebuffer device for the guest.
 
 Each B<VFB_SPEC_STRING> is a comma-separated list of C<KEY=VALUE>
 settings, from the following list:
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 4fc46eb..28212e2 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -721,6 +721,15 @@ static void parse_top_level_vnc_options(XLU_Config *config,
     xlu_cfg_get_defbool(config, "vncunused", &vnc->findunused, 0);
 }
 
+static void parse_top_level_sdl_options(XLU_Config *config,
+                                        libxl_sdl_info *sdl)
+{
+    xlu_cfg_get_defbool(config, "sdl", &sdl->enable, 0);
+    xlu_cfg_get_defbool(config, "opengl", &sdl->opengl, 0);
+    xlu_cfg_replace_string (config, "display", &sdl->display, 0);
+    xlu_cfg_replace_string (config, "xauthority", &sdl->xauthority, 0);
+}
+
 static void parse_config_data(const char *config_source,
                               const char *config_data,
                               int config_len,
@@ -1657,9 +1666,13 @@ skip_vfb:
                                     libxl_device_vkb_init);
 
             parse_top_level_vnc_options(config, &vfb->vnc);
+            parse_top_level_sdl_options(config, &vfb->sdl);
+            xlu_cfg_replace_string (config, "keymap", &vfb->keymap, 0);
         }
-    } else
+    } else {
         parse_top_level_vnc_options(config, &b_info->u.hvm.vnc);
+        parse_top_level_sdl_options(config, &b_info->u.hvm.sdl);
+    }
 
     if (c_info->type == LIBXL_DOMAIN_TYPE_HVM) {
         if (!xlu_cfg_get_string (config, "vga", &buf, 0)) {
@@ -1676,8 +1689,6 @@ skip_vfb:
                                          LIBXL_VGA_INTERFACE_TYPE_CIRRUS;
 
         xlu_cfg_replace_string (config, "keymap", &b_info->u.hvm.keymap, 0);
-        xlu_cfg_get_defbool(config, "sdl", &b_info->u.hvm.sdl.enable, 0);
-        xlu_cfg_get_defbool(config, "opengl", &b_info->u.hvm.sdl.opengl, 0);
         xlu_cfg_get_defbool (config, "spice", &b_info->u.hvm.spice.enable, 0);
         if (!xlu_cfg_get_long (config, "spiceport", &l, 0))
             b_info->u.hvm.spice.port = l;