Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 71 insertions, 0 deletions

diff --git a/migration/savevm.h b/migration/savevm.h
new file mode 100644
index 000000000..6461342cb
--- /dev/null
+++ b/migration/savevm.h
@@ -0,0 +1,71 @@
+/*
+ * QEMU save vm functions
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2009-2017 Red Hat Inc
+ *
+ * Authors:
+ *  Juan Quintela <quintela@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef MIGRATION_SAVEVM_H
+#define MIGRATION_SAVEVM_H
+
+#define QEMU_VM_FILE_MAGIC           0x5145564d
+#define QEMU_VM_FILE_VERSION_COMPAT  0x00000002
+#define QEMU_VM_FILE_VERSION         0x00000003
+
+#define QEMU_VM_EOF                  0x00
+#define QEMU_VM_SECTION_START        0x01
+#define QEMU_VM_SECTION_PART         0x02
+#define QEMU_VM_SECTION_END          0x03
+#define QEMU_VM_SECTION_FULL         0x04
+#define QEMU_VM_SUBSECTION           0x05
+#define QEMU_VM_VMDESCRIPTION        0x06
+#define QEMU_VM_CONFIGURATION        0x07
+#define QEMU_VM_COMMAND              0x08
+#define QEMU_VM_SECTION_FOOTER       0x7e
+
+bool qemu_savevm_state_blocked(Error **errp);
+void qemu_savevm_non_migratable_list(strList **reasons);
+void qemu_savevm_state_setup(QEMUFile *f);
+bool qemu_savevm_state_guest_unplug_pending(void);
+int qemu_savevm_state_resume_prepare(MigrationState *s);
+void qemu_savevm_state_header(QEMUFile *f);
+int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy);
+void qemu_savevm_state_cleanup(void);
+void qemu_savevm_state_complete_postcopy(QEMUFile *f);
+int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only,
+                                       bool inactivate_disks);
+void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size,
+                               uint64_t *res_precopy_only,
+                               uint64_t *res_compatible,
+                               uint64_t *res_postcopy_only);
+void qemu_savevm_send_ping(QEMUFile *f, uint32_t value);
+void qemu_savevm_send_open_return_path(QEMUFile *f);
+int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len);
+void qemu_savevm_send_postcopy_advise(QEMUFile *f);
+void qemu_savevm_send_postcopy_listen(QEMUFile *f);
+void qemu_savevm_send_postcopy_run(QEMUFile *f);
+void qemu_savevm_send_postcopy_resume(QEMUFile *f);
+void qemu_savevm_send_recv_bitmap(QEMUFile *f, char *block_name);
+
+void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name,
+                                           uint16_t len,
+                                           uint64_t *start_list,
+                                           uint64_t *length_list);
+void qemu_savevm_send_colo_enable(QEMUFile *f);
+void qemu_savevm_live_state(QEMUFile *f);
+int qemu_save_device_state(QEMUFile *f);
+
+int qemu_loadvm_state(QEMUFile *f);
+void qemu_loadvm_state_cleanup(void);
+int qemu_loadvm_state_main(QEMUFile *f, MigrationIncomingState *mis);
+int qemu_load_device_state(QEMUFile *f);
+int qemu_savevm_state_complete_precopy_non_iterable(QEMUFile *f,
+        bool in_postcopy, bool inactivate_disks);
+
+#endif