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-rw-r--r--savevm.c54
-rw-r--r--vmstate.h7
2 files changed, 32 insertions, 29 deletions
diff --git a/savevm.c b/savevm.c
index a15c163b6e..73626d4ddd 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1171,10 +1171,7 @@ typedef struct SaveStateEntry {
int alias_id;
int version_id;
int section_id;
- SaveSetParamsHandler *set_params;
- SaveLiveStateHandler *save_live_state;
- SaveStateHandler *save_state;
- LoadStateHandler *load_state;
+ SaveVMHandlers *ops;
const VMStateDescription *vmsd;
void *opaque;
CompatEntry *compat;
@@ -1237,10 +1234,11 @@ int register_savevm_live(DeviceState *dev,
se = g_malloc0(sizeof(SaveStateEntry));
se->version_id = version_id;
se->section_id = global_section_id++;
- se->set_params = set_params;
- se->save_live_state = save_live_state;
- se->save_state = save_state;
- se->load_state = load_state;
+ se->ops = g_malloc0(sizeof(SaveVMHandlers));
+ se->ops->set_params = set_params;
+ se->ops->save_live_state = save_live_state;
+ se->ops->save_state = save_state;
+ se->ops->load_state = load_state;
se->opaque = opaque;
se->vmsd = NULL;
se->no_migrate = 0;
@@ -1309,6 +1307,7 @@ void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque)
if (se->compat) {
g_free(se->compat);
}
+ g_free(se->ops);
g_free(se);
}
}
@@ -1327,9 +1326,6 @@ int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
se = g_malloc0(sizeof(SaveStateEntry));
se->version_id = vmsd->version_id;
se->section_id = global_section_id++;
- se->save_live_state = NULL;
- se->save_state = NULL;
- se->load_state = NULL;
se->opaque = opaque;
se->vmsd = vmsd;
se->alias_id = alias_id;
@@ -1524,7 +1520,7 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
static int vmstate_load(QEMUFile *f, SaveStateEntry *se, int version_id)
{
if (!se->vmsd) { /* Old style */
- return se->load_state(f, se->opaque, version_id);
+ return se->ops->load_state(f, se->opaque, version_id);
}
return vmstate_load_state(f, se->vmsd, se->opaque, version_id);
}
@@ -1532,7 +1528,7 @@ static int vmstate_load(QEMUFile *f, SaveStateEntry *se, int version_id)
static void vmstate_save(QEMUFile *f, SaveStateEntry *se)
{
if (!se->vmsd) { /* Old style */
- se->save_state(f, se->opaque);
+ se->ops->save_state(f, se->opaque);
return;
}
vmstate_save_state(f,se->vmsd, se->opaque);
@@ -1569,10 +1565,10 @@ int qemu_savevm_state_begin(QEMUFile *f,
int ret;
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
- if(se->set_params == NULL) {
+ if (!se->ops || !se->ops->set_params) {
continue;
}
- se->set_params(params, se->opaque);
+ se->ops->set_params(params, se->opaque);
}
qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
@@ -1581,9 +1577,9 @@ int qemu_savevm_state_begin(QEMUFile *f,
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
int len;
- if (se->save_live_state == NULL)
+ if (!se->ops || !se->ops->save_live_state) {
continue;
-
+ }
/* Section type */
qemu_put_byte(f, QEMU_VM_SECTION_START);
qemu_put_be32(f, se->section_id);
@@ -1596,7 +1592,7 @@ int qemu_savevm_state_begin(QEMUFile *f,
qemu_put_be32(f, se->instance_id);
qemu_put_be32(f, se->version_id);
- ret = se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque);
+ ret = se->ops->save_live_state(f, QEMU_VM_SECTION_START, se->opaque);
if (ret < 0) {
qemu_savevm_state_cancel(f);
return ret;
@@ -1623,9 +1619,9 @@ int qemu_savevm_state_iterate(QEMUFile *f)
int ret = 1;
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
- if (se->save_live_state == NULL)
+ if (!se->ops || !se->ops->save_live_state) {
continue;
-
+ }
if (qemu_file_rate_limit(f)) {
return 0;
}
@@ -1634,7 +1630,7 @@ int qemu_savevm_state_iterate(QEMUFile *f)
qemu_put_byte(f, QEMU_VM_SECTION_PART);
qemu_put_be32(f, se->section_id);
- ret = se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque);
+ ret = se->ops->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque);
trace_savevm_section_end(se->section_id);
if (ret <= 0) {
@@ -1663,15 +1659,15 @@ int qemu_savevm_state_complete(QEMUFile *f)
cpu_synchronize_all_states();
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
- if (se->save_live_state == NULL)
+ if (!se->ops || !se->ops->save_live_state) {
continue;
-
+ }
trace_savevm_section_start();
/* Section type */
qemu_put_byte(f, QEMU_VM_SECTION_END);
qemu_put_be32(f, se->section_id);
- ret = se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque);
+ ret = se->ops->save_live_state(f, QEMU_VM_SECTION_END, se->opaque);
trace_savevm_section_end(se->section_id);
if (ret < 0) {
return ret;
@@ -1681,9 +1677,9 @@ int qemu_savevm_state_complete(QEMUFile *f)
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
int len;
- if (se->save_state == NULL && se->vmsd == NULL)
+ if ((!se->ops || !se->ops->save_state) && !se->vmsd) {
continue;
-
+ }
trace_savevm_section_start();
/* Section type */
qemu_put_byte(f, QEMU_VM_SECTION_FULL);
@@ -1711,8 +1707,8 @@ void qemu_savevm_state_cancel(QEMUFile *f)
SaveStateEntry *se;
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
- if (se->save_live_state) {
- se->save_live_state(f, -1, se->opaque);
+ if (se->ops && se->ops->save_live_state) {
+ se->ops->save_live_state(f, -1, se->opaque);
}
}
}
@@ -1765,7 +1761,7 @@ static int qemu_save_device_state(QEMUFile *f)
if (se->is_ram) {
continue;
}
- if (se->save_state == NULL && se->vmsd == NULL) {
+ if ((!se->ops || !se->ops->save_state) && !se->vmsd) {
continue;
}
diff --git a/vmstate.h b/vmstate.h
index 5af45e0c12..909af6934d 100644
--- a/vmstate.h
+++ b/vmstate.h
@@ -31,6 +31,13 @@ typedef void SaveStateHandler(QEMUFile *f, void *opaque);
typedef int SaveLiveStateHandler(QEMUFile *f, int stage, void *opaque);
typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
+typedef struct SaveVMHandlers {
+ SaveSetParamsHandler *set_params;
+ SaveStateHandler *save_state;
+ SaveLiveStateHandler *save_live_state;
+ LoadStateHandler *load_state;
+} SaveVMHandlers;
+
int register_savevm(DeviceState *dev,
const char *idstr,
int instance_id,
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-01 11:04:04 +0000