Drivers: hv: Set the default VMBus version to 6.0

The confidential VMBus is supported by the protocol version
6.0 onwards.

Attempt to establish the VMBus 6.0 connection thus enabling
the confidential VMBus features when available.

Signed-off-by: Roman Kisel <romank@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 5ac9232396f7cdf252f65ee67b716eb3f99d86af..5d9cb5bf2d6232b538e1788711bbd221d80c9c13 100644 (file)
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -51,6 +51,7 @@ EXPORT_SYMBOL_GPL(vmbus_proto_version);
  * Linux guests and are not listed.
  */
 static __u32 vmbus_versions[] = {
+       VERSION_WIN10_V6_0,
        VERSION_WIN10_V5_3,
        VERSION_WIN10_V5_2,
        VERSION_WIN10_V5_1,
@@ -65,7 +66,7 @@ static __u32 vmbus_versions[] = {
  * Maximal VMBus protocol version guests can negotiate.  Useful to cap the
  * VMBus version for testing and debugging purpose.
  */
-static uint max_version = VERSION_WIN10_V5_3;
+static uint max_version = VERSION_WIN10_V6_0;
 
 module_param(max_version, uint, S_IRUGO);
 MODULE_PARM_DESC(max_version,