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Re: [Xen-devel] [PATCH] libxl: new parameters for upstream qemu's vga interfaces

Il 10/10/2013 12:51, Sander Eikelenboom ha scritto:
Thursday, October 10, 2013, 12:09:44 PM, you wrote:

Il 10/10/2013 11:32, Ian Campbell ha scritto:
On Thu, 2013-10-10 at 11:26 +0200, Fabio Fantoni wrote:
Il 30/09/2013 12:12, Fabio Fantoni ha scritto:
Change the qemu parameters for upstream qemu vgas to the
new ones (-device), introduced some years ago.
Please CC the qemu maintainers (Stefano & Anthony), although these
patches touch the toolstack they are logically qemu patches and need
their ack.
Thanks for your reply, I added Anthony on CC and Stefano was already on it.
Should "None" be added as option as well ?

There is already a nographic xl parameter that controls the corresponding qemu parameter, it should be the same thing. And FWIK the none option applies only to the old -vga parameter and according to qemu docs/qdev-device-use.txt, the new way to do it is with -nodefaults (I already made a patch to add it). -nographic is probably also deprecated.

Signed-off-by: Fabio Fantoni <fabio.fantoni@xxxxxxx>
    tools/libxl/libxl_dm.c |   12 +++++-------
    1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index 43c3bec..2c6f5d9 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -486,15 +486,13 @@ static char ** 
libxl__build_device_model_args_new(libxl__gc *gc,
switch (b_info->u.hvm.vga.kind) {
-            flexarray_vappend(dm_args, "-vga", "std", NULL);
+            flexarray_append_pair(dm_args, "-device", "VGA");
-            flexarray_vappend(dm_args, "-vga", "cirrus", NULL);
-            if (b_info->video_memkb) {
-                flexarray_vappend(dm_args, "-global",
-                    GCSPRINTF("vga.vram_size_mb=%d",
-                    libxl__sizekb_to_mb(b_info->video_memkb)), NULL);
-            }
+            flexarray_append_pair(dm_args, "-device", "cirrus-vga");
+            flexarray_append_pair(dm_args, "-global",
+                GCSPRINTF("vga.vram_size_mb=%d",
+                libxl__sizekb_to_mb(b_info->video_memkb)));

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