2 files changed, 57 insertions, 1 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index fb66fba368d7..62ea1a06836a 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -30,7 +30,6 @@
 #include <linux/types.h>
 #include <linux/scatterlist.h>
 #include <linux/list.h>
-#include <linux/uuid.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
 #include <linux/completion.h>
@@ -1050,6 +1049,17 @@ void vmbus_driver_unregister(struct hv_driver *hv_driver);
 		}
 
 /*
+ * Guest File Copy Service
+ * {34D14BE3-DEE4-41c8-9AE7-6B174977C192}
+ */
+
+#define HV_FCOPY_GUID \
+	.guid = { \
+			0xE3, 0x4B, 0xD1, 0x34, 0xE4, 0xDE, 0xC8, 0x41, \
+			0x9A, 0xE7, 0x6B, 0x17, 0x49, 0x77, 0xC1, 0x92 \
+		}
+
+/*
  * Common header for Hyper-V ICs
  */
 
diff --git a/include/uapi/linux/hyperv.h b/include/uapi/linux/hyperv.h
index 1861f8e2ce2b..9beb7c991638 100644
--- a/include/uapi/linux/hyperv.h
+++ b/include/uapi/linux/hyperv.h
@@ -25,6 +25,8 @@
 #ifndef _UAPI_HYPERV_H
 #define _UAPI_HYPERV_H
 
+#include <linux/uuid.h>
+
 /*
  * Framework version for util services.
  */
@@ -94,6 +96,50 @@ struct hv_vss_msg {
 } __attribute__((packed));
 
 /*
+ * Implementation of a host to guest copy facility.
+ */
+
+#define FCOPY_VERSION_0 0
+#define FCOPY_CURRENT_VERSION FCOPY_VERSION_0
+#define W_MAX_PATH 260
+
+enum hv_fcopy_op {
+	START_FILE_COPY = 0,
+	WRITE_TO_FILE,
+	COMPLETE_FCOPY,
+	CANCEL_FCOPY,
+};
+
+struct hv_fcopy_hdr {
+	__u32 operation;
+	uuid_le service_id0; /* currently unused */
+	uuid_le service_id1; /* currently unused */
+} __attribute__((packed));
+
+#define OVER_WRITE	0x1
+#define CREATE_PATH	0x2
+
+struct hv_start_fcopy {
+	struct hv_fcopy_hdr hdr;
+	__u16 file_name[W_MAX_PATH];
+	__u16 path_name[W_MAX_PATH];
+	__u32 copy_flags;
+	__u64 file_size;
+} __attribute__((packed));
+
+/*
+ * The file is chunked into fragments.
+ */
+#define DATA_FRAGMENT	(6 * 1024)
+
+struct hv_do_fcopy {
+	struct hv_fcopy_hdr hdr;
+	__u64	offset;
+	__u32	size;
+	__u8	data[DATA_FRAGMENT];
+};
+
+/*
  * An implementation of HyperV key value pair (KVP) functionality for Linux.
  *
  *