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authorAndrea Parri (Microsoft) <parri.andrea@gmail.com>2021-04-16 16:34:47 +0200
committerWei Liu <wei.liu@kernel.org>2021-04-18 13:03:11 +0000
commit1df53d212c803c0e11a2b10d47ec830d3576b972 (patch)
tree5a7ee95c922d67b93dbee6d77ef9c174c037ea6f /drivers/hv
parent3e9bf43f7f7a46f21ec071cb47be92d0874c48da (diff)
Drivers: hv: vmbus: Introduce and negotiate VMBus protocol version 5.3
Hyper-V has added VMBus protocol version 5.3. Allow Linux guests to negotiate the new version on version of Hyper-V that support it. Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20210416143449.16185-2-parri.andrea@gmail.com Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/connection.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 350e8c5cafa8..dc19d5ae4373 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -45,6 +45,7 @@ EXPORT_SYMBOL_GPL(vmbus_proto_version);
* Table of VMBus versions listed from newest to oldest.
*/
static __u32 vmbus_versions[] = {
+ VERSION_WIN10_V5_3,
VERSION_WIN10_V5_2,
VERSION_WIN10_V5_1,
VERSION_WIN10_V5,
@@ -60,7 +61,7 @@ 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_2;
+static uint max_version = VERSION_WIN10_V5_3;
module_param(max_version, uint, S_IRUGO);
MODULE_PARM_DESC(max_version,