1 files changed, 9 insertions, 16 deletions

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index ddc8713ce57b..b823311eac79 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -803,6 +803,12 @@ struct vmbus_device {
 
 #define VMBUS_DEFAULT_MAX_PKT_SIZE 4096
 
+struct vmbus_gpadl {
+	u32 gpadl_handle;
+	u32 size;
+	void *buffer;
+};
+
 struct vmbus_channel {
 	struct list_head listentry;
 
@@ -822,7 +828,7 @@ struct vmbus_channel {
 	bool rescind_ref; /* got rescind msg, got channel reference */
 	struct completion rescind_event;
 
-	u32 ringbuffer_gpadlhandle;
+	struct vmbus_gpadl ringbuffer_gpadlhandle;
 
 	/* Allocated memory for ring buffer */
 	struct page *ringbuffer_page;
@@ -1100,19 +1106,6 @@ void vmbus_set_sc_create_callback(struct vmbus_channel *primary_channel,
 void vmbus_set_chn_rescind_callback(struct vmbus_channel *channel,
 		void (*chn_rescind_cb)(struct vmbus_channel *));
 
-/*
- * Check if sub-channels have already been offerred. This API will be useful
- * when the driver is unloaded after establishing sub-channels. In this case,
- * when the driver is re-loaded, the driver would have to check if the
- * subchannels have already been established before attempting to request
- * the creation of sub-channels.
- * This function returns TRUE to indicate that subchannels have already been
- * created.
- * This function should be invoked after setting the callback function for
- * sub-channel creation.
- */
-bool vmbus_are_subchannels_present(struct vmbus_channel *primary);
-
 /* The format must be the same as struct vmdata_gpa_direct */
 struct vmbus_channel_packet_page_buffer {
 	u16 type;
@@ -1192,10 +1185,10 @@ extern int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
 extern int vmbus_establish_gpadl(struct vmbus_channel *channel,
 				      void *kbuffer,
 				      u32 size,
-				      u32 *gpadl_handle);
+				      struct vmbus_gpadl *gpadl);
 
 extern int vmbus_teardown_gpadl(struct vmbus_channel *channel,
-				     u32 gpadl_handle);
+				     struct vmbus_gpadl *gpadl);
 
 void vmbus_reset_channel_cb(struct vmbus_channel *channel);