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-rw-r--r--include/migration/migration.h17
-rw-r--r--include/migration/qemu-file.h5
-rw-r--r--include/migration/vmstate.h10
3 files changed, 25 insertions, 7 deletions
diff --git a/include/migration/migration.h b/include/migration/migration.h
index a6e025a248..9387c8c9d4 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -34,6 +34,7 @@
#define QEMU_VM_SECTION_FULL 0x04
#define QEMU_VM_SUBSECTION 0x05
#define QEMU_VM_VMDESCRIPTION 0x06
+#define QEMU_VM_SECTION_FOOTER 0x7e
struct MigrationParams {
bool blk;
@@ -42,6 +43,20 @@ struct MigrationParams {
typedef struct MigrationState MigrationState;
+typedef QLIST_HEAD(, LoadStateEntry) LoadStateEntry_Head;
+
+/* State for the incoming migration */
+struct MigrationIncomingState {
+ QEMUFile *file;
+
+ /* See savevm.c */
+ LoadStateEntry_Head loadvm_handlers;
+};
+
+MigrationIncomingState *migration_incoming_get_current(void);
+MigrationIncomingState *migration_incoming_state_new(QEMUFile *f);
+void migration_incoming_state_destroy(void);
+
struct MigrationState
{
int64_t bandwidth_limit;
@@ -180,4 +195,6 @@ size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset,
ram_addr_t offset, size_t size,
uint64_t *bytes_sent);
+void ram_mig_init(void);
+void savevm_skip_section_footers(void);
#endif
diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
index a01c5b817e..4f67d79227 100644
--- a/include/migration/qemu-file.h
+++ b/include/migration/qemu-file.h
@@ -157,7 +157,7 @@ static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)
void qemu_put_be16(QEMUFile *f, unsigned int v);
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_peek_buffer(QEMUFile *f, uint8_t **buf, int size, size_t offset);
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size);
ssize_t qemu_put_compression_data(QEMUFile *f, const uint8_t *p, size_t size,
int level);
@@ -312,4 +312,7 @@ static inline void qemu_get_sbe64s(QEMUFile *f, int64_t *pv)
{
qemu_get_be64s(f, (uint64_t *)pv);
}
+
+size_t qemu_get_counted_string(QEMUFile *f, char buf[256]);
+
#endif
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index bc7616aaa8..7153b1e145 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -120,11 +120,6 @@ typedef struct {
bool (*field_exists)(void *opaque, int version_id);
} VMStateField;
-typedef struct VMStateSubsection {
- const VMStateDescription *vmsd;
- bool (*needed)(void *opaque);
-} VMStateSubsection;
-
struct VMStateDescription {
const char *name;
int unmigratable;
@@ -135,8 +130,9 @@ struct VMStateDescription {
int (*pre_load)(void *opaque);
int (*post_load)(void *opaque, int version_id);
void (*pre_save)(void *opaque);
+ bool (*needed)(void *opaque);
VMStateField *fields;
- const VMStateSubsection *subsections;
+ const VMStateDescription **subsections;
};
extern const VMStateDescription vmstate_dummy;
@@ -812,6 +808,8 @@ extern const VMStateInfo vmstate_info_bitmap;
#define SELF_ANNOUNCE_ROUNDS 5
+void loadvm_free_handlers(MigrationIncomingState *mis);
+
int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque, int version_id);
void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,