hyperv/channel: Git rid of the sub-channel creation callback

It is no longer used.

MFC after:	1 week
Sponsored by:	Microsoft OSTC

3 files changed, 0 insertions, 11 deletions

diff --git a/sys/dev/hyperv/include/hyperv.h b/sys/dev/hyperv/include/hyperv.h
index 7d46db2..aeec8ec 100644
--- a/sys/dev/hyperv/include/hyperv.h
+++ b/sys/dev/hyperv/include/hyperv.h
@@ -691,7 +691,6 @@ typedef struct {
 } hv_vmbus_ring_buffer_info;
 
 typedef void (*hv_vmbus_pfn_channel_callback)(void *context);
-typedef void (*hv_vmbus_sc_creation_callback)(void *context);
 
 typedef enum {
 	HV_CHANNEL_OFFER_STATE,
@@ -804,13 +803,6 @@ typedef struct hv_vmbus_channel {
 	 * response on the same channel.
 	 */
 
-	/*
-	 * Multi-channel creation callback. This callback will be called in
-	 * process context when a Multi-channel offer is received from the host.
-	 * The guest can open the Multi-channel in the context of this callback.
-	 */
-	hv_vmbus_sc_creation_callback	sc_creation_callback;
-
 	struct mtx			sc_lock;
 
 	/*
diff --git a/sys/dev/hyperv/vmbus/hv_channel.c b/sys/dev/hyperv/vmbus/hv_channel.c
index ca455e1..46a4ecc 100644
--- a/sys/dev/hyperv/vmbus/hv_channel.c
+++ b/sys/dev/hyperv/vmbus/hv_channel.c
@@ -618,7 +618,6 @@ hv_vmbus_channel_close_internal(hv_vmbus_channel *channel)
 	hv_vmbus_channel_msg_info* info;
 
 	channel->state = HV_CHANNEL_OPEN_STATE;
-	channel->sc_creation_callback = NULL;
 
 	/*
 	 * set rxq to NULL to avoid more requests be scheduled
diff --git a/sys/dev/hyperv/vmbus/hv_channel_mgmt.c b/sys/dev/hyperv/vmbus/hv_channel_mgmt.c
index a995e25..6ea5551 100644
--- a/sys/dev/hyperv/vmbus/hv_channel_mgmt.c
+++ b/sys/dev/hyperv/vmbus/hv_channel_mgmt.c
@@ -237,8 +237,6 @@ vmbus_channel_process_offer(hv_vmbus_channel *new_channel)
 				    new_channel, new_channel->primary_channel);
 
 			new_channel->state = HV_CHANNEL_OPEN_STATE;
-			if (channel->sc_creation_callback != NULL)
-				channel->sc_creation_callback(new_channel);
 
 			/*
 			 * Bump up sub-channel count and notify anyone that is