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rust: vmstate: implement Zeroable for VMStateField

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This shortens a bit the constants.  Do not bother using it
in the vmstate macros since most of them will go away soon.

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-12-29 12:15:36 +01:00
parent 5b024b4e73
commit 2537f83098
2 changed files with 34 additions and 15 deletions
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18
rust/qemu-api/src/vmstate.rs
View file

@ -21,8 +21,8 @@
use core::{marker::PhantomData, mem, ptr::NonNull};
use crate::bindings::VMStateFlags;
pub use crate::bindings::{VMStateDescription, VMStateField};
use crate::bindings::VMStateFlags;
/// This macro is used to call a function with a generic argument bound
/// to the type of a field. The function must take a
@ -503,20 +503,8 @@ macro_rules! vmstate_fields {
static _FIELDS: &[$crate::bindings::VMStateField] = &[
$($field),*,
$crate::bindings::VMStateField {
name: ::core::ptr::null(),
err_hint: ::core::ptr::null(),
offset: 0,
size: 0,
start: 0,
num: 0,
num_offset: 0,
size_offset: 0,
info: ::core::ptr::null(),
flags: VMStateFlags::VMS_END,
vmsd: ::core::ptr::null(),
version_id: 0,
struct_version_id: 0,
field_exists: None,
flags: $crate::bindings::VMStateFlags::VMS_END,
..$crate::zeroable::Zeroable::ZERO
}
];
_FIELDS.as_ptr()