Drivers: hv: vmbus: Drivers: hv: vmbus: Introduce CHANNELMSG_MODIFYCHANNEL_RESPONSE
Introduce the CHANNELMSG_MODIFYCHANNEL_RESPONSE message type, and code
to receive and process such a message.
Signed-off-by: Andrea Parri (Microsoft) <[email protected]>
Reviewed-by: Michael Kelley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Wei Liu <[email protected]>
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 3ce36bbb..9c2373a 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -477,6 +477,7 @@ enum vmbus_channel_message_type {
CHANNELMSG_TL_CONNECT_REQUEST = 21,
CHANNELMSG_MODIFYCHANNEL = 22,
CHANNELMSG_TL_CONNECT_RESULT = 23,
+ CHANNELMSG_MODIFYCHANNEL_RESPONSE = 24,
CHANNELMSG_COUNT
};
@@ -590,6 +591,13 @@ struct vmbus_channel_open_result {
u32 status;
} __packed;
+/* Modify Channel Result parameters */
+struct vmbus_channel_modifychannel_response {
+ struct vmbus_channel_message_header header;
+ u32 child_relid;
+ u32 status;
+} __packed;
+
/* Close channel parameters; */
struct vmbus_channel_close_channel {
struct vmbus_channel_message_header header;
@@ -722,6 +730,7 @@ struct vmbus_channel_msginfo {
struct vmbus_channel_gpadl_torndown gpadl_torndown;
struct vmbus_channel_gpadl_created gpadl_created;
struct vmbus_channel_version_response version_response;
+ struct vmbus_channel_modifychannel_response modify_response;
} response;
u32 msgsize;
@@ -1596,7 +1605,7 @@ extern __u32 vmbus_proto_version;
int vmbus_send_tl_connect_request(const guid_t *shv_guest_servie_id,
const guid_t *shv_host_servie_id);
-int vmbus_send_modifychannel(u32 child_relid, u32 target_vp);
+int vmbus_send_modifychannel(struct vmbus_channel *channel, u32 target_vp);
void vmbus_set_event(struct vmbus_channel *channel);
/* Get the start of the ring buffer. */
