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-rw-r--r--include/hw/virtio/virtio-net.h4
-rw-r--r--include/migration/migration.h4
-rw-r--r--include/migration/qemu-file.h5
-rw-r--r--include/migration/vmstate.h11
-rw-r--r--include/sysemu/arch_init.h1
5 files changed, 20 insertions, 5 deletions
diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h
index df60f16a3e..4b32440837 100644
--- a/include/hw/virtio/virtio-net.h
+++ b/include/hw/virtio/virtio-net.h
@@ -176,8 +176,8 @@ typedef struct VirtIONet {
     uint8_t nobcast;
     uint8_t vhost_started;
     struct {
-        int in_use;
-        int first_multi;
+        uint32_t in_use;
+        uint32_t first_multi;
         uint8_t multi_overflow;
         uint8_t uni_overflow;
         uint8_t *macs;
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 3e1e6c72bf..3cb5ba80c3 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -61,6 +61,7 @@ struct MigrationState
     bool enabled_capabilities[MIGRATION_CAPABILITY_MAX];
     int64_t xbzrle_cache_size;
     int64_t setup_time;
+    int64_t dirty_sync_count;
 };
 
 void process_incoming_migration(QEMUFile *f);
@@ -113,8 +114,6 @@ void free_xbzrle_decoded_buf(void);
 
 void acct_update_position(QEMUFile *f, size_t size, bool zero);
 
-extern SaveVMHandlers savevm_ram_handlers;
-
 uint64_t dup_mig_bytes_transferred(void);
 uint64_t dup_mig_pages_transferred(void);
 uint64_t skipped_mig_bytes_transferred(void);
@@ -125,6 +124,7 @@ uint64_t xbzrle_mig_bytes_transferred(void);
 uint64_t xbzrle_mig_pages_transferred(void);
 uint64_t xbzrle_mig_pages_overflow(void);
 uint64_t xbzrle_mig_pages_cache_miss(void);
+double xbzrle_mig_cache_miss_rate(void);
 
 void ram_handle_compressed(void *host, uint8_t ch, uint64_t size);
 
diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
index a191fb6d8d..c90f5298ab 100644
--- a/include/migration/qemu-file.h
+++ b/include/migration/qemu-file.h
@@ -123,6 +123,11 @@ void qemu_put_be32(QEMUFile *f, unsigned int v);
 void qemu_put_be64(QEMUFile *f, uint64_t v);
 int qemu_peek_buffer(QEMUFile *f, uint8_t *buf, int size, size_t offset);
 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
+/*
+ * Note that you can only peek continuous bytes from where the current pointer
+ * is; you aren't guaranteed to be able to peak to +n bytes unless you've
+ * previously peeked +n-1.
+ */
 int qemu_peek_byte(QEMUFile *f, int offset);
 int qemu_get_byte(QEMUFile *f);
 void qemu_file_skip(QEMUFile *f, int size);
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index e7e170561d..7e45048355 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -100,6 +100,7 @@ enum VMStateFlags {
     VMS_MULTIPLY         = 0x200,  /* multiply "size" field by field_size */
     VMS_VARRAY_UINT8     = 0x400,  /* Array with size in uint8_t field*/
     VMS_VARRAY_UINT32    = 0x800,  /* Array with size in uint32_t field*/
+    VMS_MUST_EXIST       = 0x1000, /* Field must exist in input */
 };
 
 typedef struct {
@@ -203,6 +204,14 @@ extern const VMStateInfo vmstate_info_bitmap;
     .offset       = vmstate_offset_value(_state, _field, _type),     \
 }
 
+/* Validate state using a boolean predicate. */
+#define VMSTATE_VALIDATE(_name, _test) { \
+    .name         = (_name),                                         \
+    .field_exists = (_test),                                         \
+    .flags        = VMS_ARRAY | VMS_MUST_EXIST,                      \
+    .num          = 0, /* 0 elements: no data, only run _test */     \
+}
+
 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) {    \
     .name       = (stringify(_field)),                               \
     .version_id = (_version),                                        \
@@ -592,7 +601,7 @@ extern const VMStateInfo vmstate_info_bitmap;
 #define VMSTATE_UINT64_EQUAL(_f, _s)                                  \
     VMSTATE_UINT64_EQUAL_V(_f, _s, 0)
 
-#define VMSTATE_INT32_LE(_f, _s)                                   \
+#define VMSTATE_INT32_POSITIVE_LE(_f, _s)                             \
     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
 
 #define VMSTATE_UINT8_TEST(_f, _s, _t)                               \
diff --git a/include/sysemu/arch_init.h b/include/sysemu/arch_init.h
index be71bcac2d..182d48d8c3 100644
--- a/include/sysemu/arch_init.h
+++ b/include/sysemu/arch_init.h
@@ -29,6 +29,7 @@ extern const uint32_t arch_type;
 void select_soundhw(const char *optarg);
 void do_acpitable_option(const QemuOpts *opts);
 void do_smbios_option(QemuOpts *opts);
+void ram_mig_init(void);
 void cpudef_init(void);
 void audio_init(void);
 int tcg_available(void);