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Drivers: hv: Set the default VMBus version to 6.0

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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>
This commit is contained in:
Roman Kisel 2025-10-08 16:34:18 -07:00 committed by Wei Liu
parent bf35d298bb
commit b537794bc2
1 changed files with 2 additions and 1 deletions
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3
drivers/hv/connection.c
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@ -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,