spice: make compression configurable.
This patch adds options to the -spice command line switch to
configure image compression.
[ v2: speling fix in the documentation ]
diff --git a/qemu-options.hx b/qemu-options.hx
index 9d3f8ef..b9edaae 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -704,6 +704,15 @@
@item tls-ciphers=<list>
Specify which ciphers to use.
+@item image-compression=[auto_glz|auto_lz|quic|glz|lz|off]
+Configure image compression (lossless).
+Default is auto_glz.
+
+@item jpeg-wan-compression=[auto|never|always]
+@item zlib-glz-wan-compression=[auto|never|always]
+Configure wan image compression (lossy for slow links).
+Default is auto.
+
@end table
ETEXI
