qom: add more to the prelude

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

rust/hw/char/pl011/src/device.rs

@@ -9,7 +9,7 @@ use chardev::prelude::*;
 use common::prelude::*;
 use hwcore::{prelude::*, ClockEvent, IRQState};
 use migration::{self, prelude::*};
-use qom::{prelude::*, ObjectImpl, Owned, ParentField, ParentInit};
+use qom::prelude::*;
 use system::prelude::*;
 use util::prelude::*;
 

rust/hw/core/src/qdev.rs

@@ -12,7 +12,7 @@ use std::{
 use chardev::Chardev;
 use common::{callbacks::FnCall, Opaque};
 use migration::{impl_vmstate_c_struct, VMStateDescription};
-use qom::{prelude::*, ObjectClass, ObjectImpl, Owned, ParentInit};
+use qom::{prelude::*, ObjectClass};
 use util::{Error, Result};
 
 pub use crate::bindings::{ClockEvent, DeviceClass, Property, ResetType};

rust/hw/core/src/sysbus.rs

@@ -8,7 +8,7 @@ use std::ffi::CStr;
 
 pub use bindings::SysBusDeviceClass;
 use common::Opaque;
-use qom::{prelude::*, Owned};
+use qom::prelude::*;
 use system::MemoryRegion;
 use util::{Error, Result};
 

rust/hw/core/tests/tests.rs

@@ -7,7 +7,7 @@ use std::{ffi::CStr, ptr::addr_of};
 use bql::prelude::*;
 use hwcore::prelude::*;
 use migration::prelude::*;
-use qom::{prelude::*, ObjectImpl, ParentField};
+use qom::prelude::*;
 use util::bindings::{module_call_init, module_init_type};
 
 // Test that macros can compile.

rust/hw/timer/hpet/src/device.rs

@@ -14,7 +14,7 @@ use bql::prelude::*;
 use common::prelude::*;
 use hwcore::prelude::*;
 use migration::{self, prelude::*};
-use qom::{prelude::*, ObjectImpl, ParentField, ParentInit};
+use qom::prelude::*;
 use system::{
     bindings::{address_space_memory, address_space_stl_le},
     MEMTXATTRS_UNSPECIFIED,

rust/qom/src/prelude.rs

@@ -6,7 +6,11 @@ pub use crate::qom::Object;
 pub use crate::qom::ObjectCast;
 pub use crate::qom::ObjectClassMethods;
 pub use crate::qom::ObjectDeref;
+pub use crate::qom::ObjectImpl;
 pub use crate::qom::ObjectMethods;
 pub use crate::qom::ObjectType;
+pub use crate::qom::Owned;
+pub use crate::qom::ParentField;
+pub use crate::qom::ParentInit;
 
 pub use crate::qom_isa;