diff options
Diffstat (limited to 'hw/vfio/migration.c')
-rw-r--r-- | hw/vfio/migration.c | 63 |
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); |