1 files changed, 31 insertions, 5 deletions

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 2b5480126394..bee559ada3bb 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -440,9 +440,13 @@ hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info *rbi,
 struct vmbus_channel_offer {
         uuid_le if_type;
         uuid_le if_instance;
-        u64 int_latency; /* in 100ns units */
-        u32 if_revision;
-        u32 server_ctx_size;    /* in bytes */
+
+        /*
+         * These two fields are not currently used.
+         */
+        u64 reserved1;
+        u64 reserved2;
+
         u16 chn_flags;
         u16 mmio_megabytes;             /* in bytes * 1024 * 1024 */
 
@@ -464,7 +468,11 @@ struct vmbus_channel_offer {
                         unsigned char user_def[MAX_PIPE_USER_DEFINED_BYTES];
                 } pipe;
         } u;
-        u32 padding;
+        /*
+         * The sub_channel_index is defined in win8.
+         */
+        u16 sub_channel_index;
+        u16 reserved3;
 } __packed;
 
 /* Server Flags */
@@ -660,7 +668,25 @@ struct vmbus_channel_offer_channel {
         struct vmbus_channel_offer offer;
         u32 child_relid;
         u8 monitorid;
-        u8 monitor_allocated;
+        /*
+         * win7 and beyond splits this field into a bit field.
+         */
+        u8 monitor_allocated:1;
+        u8 reserved:7;
+        /*
+         * These are new fields added in win7 and later.
+         * Do not access these fields without checking the
+         * negotiated protocol.
+         *
+         * If "is_dedicated_interrupt" is set, we must not set the
+         * associated bit in the channel bitmap while sending the
+         * interrupt to the host.
+         *
+         * connection_id is to be used in signaling the host.
+         */
+        u16 is_dedicated_interrupt:1;
+        u16 reserved1:15;
+        u32 connection_id;
 } __packed;
 
 /* Rescind Offer parameters */