nixpkgs/pkgs/applications/virtualization/xen/0002-libxl-Spice-streaming-video-setting-support-for-upst.patch

From 296c7f3284efe655d95a8ae045a5dc1a20d6fff0 Mon Sep 17 00:00:00 2001
From: Fabio Fantoni <fabio.fantoni@m2r.biz>
Date: Tue, 20 Jan 2015 11:33:17 +0100
Subject: [PATCH] libxl: Spice streaming video setting support for upstream
 qemu

Usage:
spice_streaming_video=[filter|all|off]

Specifies what streaming video setting is to be used by spice (if
given),
otherwise the qemu default will be used.

Signed-off-by: Fabio Fantoni <fabio.fantoni@m2r.biz>
Acked-by: Wei Liu <wei.liu2@citrix.com>
---
 docs/man/xl.cfg.pod.5       |  5 +++++
 tools/libxl/libxl.h         | 11 +++++++++++
 tools/libxl/libxl_dm.c      |  4 ++++
 tools/libxl/libxl_types.idl |  1 +
 tools/libxl/xl_cmdimpl.c    |  2 ++
 5 files changed, 23 insertions(+)

diff --git a/docs/man/xl.cfg.pod.5 b/docs/man/xl.cfg.pod.5
index 0c2cbac..408653f 100644
--- a/docs/man/xl.cfg.pod.5
+++ b/docs/man/xl.cfg.pod.5
@@ -1433,6 +1433,11 @@ Specifies what image compression is to be used by spice (if given), otherwise
 the qemu default will be used. Please see documentations of your current qemu
 version for details.
 
+=item B<spice_streaming_video=[filter|all|off]>
+
+Specifies what streaming video setting is to be used by spice (if given),
+otherwise the qemu default will be used.
+
 =back
 
 =head3 Miscellaneous Emulated Hardware
diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index b8e0b67..c219f59 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -539,6 +539,17 @@ typedef struct libxl__ctx libxl_ctx;
 #define LIBXL_HAVE_SPICE_IMAGECOMPRESSION 1
 
 /*
+ * LIBXL_HAVE_SPICE_STREAMINGVIDEO
+ *
+ * If defined, then the libxl_spice_info structure will contain a string type
+ * field: streaming_video. This value defines what Spice streaming video setting
+ * is used.
+ *
+ * If this is not defined, the Spice streaming video setting support is ignored.
+ */
+#define LIBXL_HAVE_SPICE_STREAMINGVIDEO 1
+
+/*
  * LIBXL_HAVE_DOMAIN_CREATE_RESTORE_PARAMS 1
  *
  * If this is defined, libxl_domain_create_restore()'s API has changed to
diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index 40c8649..d8d6f0c 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -402,6 +402,10 @@ static char *dm_spice_options(libxl__gc *gc,
         opt = libxl__sprintf(gc, "%s,image-compression=%s", opt,
                              spice->image_compression);
 
+    if (spice->streaming_video)
+        opt = libxl__sprintf(gc, "%s,streaming-video=%s", opt,
+                             spice->streaming_video);
+
     return opt;
 }
 
diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
index 052ded9..02be466 100644
--- a/tools/libxl/libxl_types.idl
+++ b/tools/libxl/libxl_types.idl
@@ -242,6 +242,7 @@ libxl_spice_info = Struct("spice_info", [
     ("clipboard_sharing", libxl_defbool),
     ("usbredirection", integer),
     ("image_compression", string),
+    ("streaming_video", string),
     ])
 
 libxl_sdl_info = Struct("sdl_info", [
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 00aa69d..b7eac29 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -1950,6 +1950,8 @@ skip_vfb:
             b_info->u.hvm.spice.usbredirection = l;
         xlu_cfg_replace_string (config, "spice_image_compression",
                                 &b_info->u.hvm.spice.image_compression, 0);
+        xlu_cfg_replace_string (config, "spice_streaming_video",
+                                &b_info->u.hvm.spice.streaming_video, 0);
         xlu_cfg_get_defbool(config, "nographic", &b_info->u.hvm.nographic, 0);
         xlu_cfg_get_defbool(config, "gfx_passthru",
                             &b_info->u.hvm.gfx_passthru, 0);
-- 
1.9.2