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Diffstat (limited to 'hw/vfio/migration.c')
-rw-r--r--hw/vfio/migration.c63
1 files changed, 17 insertions, 46 deletions
diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c
index 134bdccc4f..384576cfc0 100644
--- a/hw/vfio/migration.c
+++ b/hw/vfio/migration.c
@@ -395,40 +395,10 @@ static int vfio_load_device_config_state(QEMUFile *f, void *opaque)
return qemu_file_get_error(f);
}
-static int vfio_set_dirty_page_tracking(VFIODevice *vbasedev, bool start)
-{
- int ret;
- VFIOMigration *migration = vbasedev->migration;
- VFIOContainer *container = vbasedev->group->container;
- struct vfio_iommu_type1_dirty_bitmap dirty = {
- .argsz = sizeof(dirty),
- };
-
- if (start) {
- if (migration->device_state & VFIO_DEVICE_STATE_SAVING) {
- dirty.flags = VFIO_IOMMU_DIRTY_PAGES_FLAG_START;
- } else {
- return -EINVAL;
- }
- } else {
- dirty.flags = VFIO_IOMMU_DIRTY_PAGES_FLAG_STOP;
- }
-
- ret = ioctl(container->fd, VFIO_IOMMU_DIRTY_PAGES, &dirty);
- if (ret) {
- error_report("Failed to set dirty tracking flag 0x%x errno: %d",
- dirty.flags, errno);
- return -errno;
- }
- return ret;
-}
-
static void vfio_migration_cleanup(VFIODevice *vbasedev)
{
VFIOMigration *migration = vbasedev->migration;
- vfio_set_dirty_page_tracking(vbasedev, false);
-
if (migration->region.mmaps) {
vfio_region_unmap(&migration->region);
}
@@ -469,11 +439,6 @@ static int vfio_save_setup(QEMUFile *f, void *opaque)
return ret;
}
- ret = vfio_set_dirty_page_tracking(vbasedev, true);
- if (ret) {
- return ret;
- }
-
qemu_put_be64(f, VFIO_MIG_FLAG_END_OF_STATE);
ret = qemu_file_get_error(f);
@@ -575,11 +540,6 @@ static int vfio_save_complete_precopy(QEMUFile *f, void *opaque)
return ret;
}
- ret = vfio_save_device_config_state(f, opaque);
- if (ret) {
- return ret;
- }
-
ret = vfio_update_pending(vbasedev);
if (ret) {
return ret;
@@ -620,6 +580,19 @@ static int vfio_save_complete_precopy(QEMUFile *f, void *opaque)
return ret;
}
+static void vfio_save_state(QEMUFile *f, void *opaque)
+{
+ VFIODevice *vbasedev = opaque;
+ int ret;
+
+ ret = vfio_save_device_config_state(f, opaque);
+ if (ret) {
+ error_report("%s: Failed to save device config space",
+ vbasedev->name);
+ qemu_file_set_error(f, ret);
+ }
+}
+
static int vfio_load_setup(QEMUFile *f, void *opaque)
{
VFIODevice *vbasedev = opaque;
@@ -670,11 +643,7 @@ static int vfio_load_state(QEMUFile *f, void *opaque, int version_id)
switch (data) {
case VFIO_MIG_FLAG_DEV_CONFIG_STATE:
{
- ret = vfio_load_device_config_state(f, opaque);
- if (ret) {
- return ret;
- }
- break;
+ return vfio_load_device_config_state(f, opaque);
}
case VFIO_MIG_FLAG_DEV_SETUP_STATE:
{
@@ -720,6 +689,7 @@ static SaveVMHandlers savevm_vfio_handlers = {
.save_live_pending = vfio_save_pending,
.save_live_iterate = vfio_save_iterate,
.save_live_complete_precopy = vfio_save_complete_precopy,
+ .save_state = vfio_save_state,
.load_setup = vfio_load_setup,
.load_cleanup = vfio_load_cleanup,
.load_state = vfio_load_state,
@@ -857,7 +827,8 @@ static int vfio_migration_init(VFIODevice *vbasedev,
register_savevm_live(id, VMSTATE_INSTANCE_ID_ANY, 1, &savevm_vfio_handlers,
vbasedev);
- migration->vm_state = qemu_add_vm_change_state_handler(vfio_vmstate_change,
+ migration->vm_state = qdev_add_vm_change_state_handler(vbasedev->dev,
+ vfio_vmstate_change,
vbasedev);
migration->migration_state.notify = vfio_migration_state_notifier;
add_migration_state_change_notifier(&migration->migration_state);