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// SPDX-License-Identifier: GPL-2.0-or-later
#![allow(
dead_code,
improper_ctypes_definitions,
improper_ctypes,
non_camel_case_types,
non_snake_case,
non_upper_case_globals,
unnecessary_transmutes,
unsafe_op_in_unsafe_fn,
clippy::pedantic,
clippy::restriction,
clippy::style,
clippy::missing_const_for_fn,
clippy::ptr_offset_with_cast,
clippy::useless_transmute,
clippy::missing_safety_doc,
clippy::too_many_arguments
)]
use common::Zeroable;
use util_sys::{Error, JSONWriter, QEMUFile};
#[cfg(MESON)]
include!("bindings.inc.rs");
#[cfg(not(MESON))]
include!(concat!(env!("OUT_DIR"), "/bindings.inc.rs"));
unsafe impl Send for VMStateDescription {}
unsafe impl Sync for VMStateDescription {}
unsafe impl Send for VMStateField {}
unsafe impl Sync for VMStateField {}
unsafe impl Send for VMStateInfo {}
unsafe impl Sync for VMStateInfo {}
// bindgen does not derive Default here
#[allow(clippy::derivable_impls)]
impl Default for VMStateFlags {
fn default() -> Self {
Self(0)
}
}
unsafe impl Zeroable for VMStateFlags {}
unsafe impl Zeroable for VMStateField {}
unsafe impl Zeroable for VMStateDescription {}
// The following higher-level helpers could be in "migration"
// crate when Rust has const trait impl.
pub trait VMStateFlagsExt {
const VMS_VARRAY_FLAGS: VMStateFlags;
}
impl VMStateFlagsExt for VMStateFlags {
const VMS_VARRAY_FLAGS: VMStateFlags = VMStateFlags(
VMStateFlags::VMS_VARRAY_INT32.0
| VMStateFlags::VMS_VARRAY_UINT8.0
| VMStateFlags::VMS_VARRAY_UINT16.0
| VMStateFlags::VMS_VARRAY_UINT32.0,
);
}
// Add a couple builder-style methods to VMStateField, allowing
// easy derivation of VMStateField constants from other types.
impl VMStateField {
#[must_use]
pub const fn with_version_id(mut self, version_id: i32) -> Self {
assert!(version_id >= 0);
self.version_id = version_id;
self
}
#[must_use]
pub const fn with_array_flag(mut self, num: usize) -> Self {
assert!(num <= 0x7FFF_FFFFusize);
assert!((self.flags.0 & VMStateFlags::VMS_ARRAY.0) == 0);
assert!((self.flags.0 & VMStateFlags::VMS_VARRAY_FLAGS.0) == 0);
if (self.flags.0 & VMStateFlags::VMS_POINTER.0) != 0 {
self.flags = VMStateFlags(self.flags.0 & !VMStateFlags::VMS_POINTER.0);
self.flags = VMStateFlags(self.flags.0 | VMStateFlags::VMS_ARRAY_OF_POINTER.0);
// VMS_ARRAY_OF_POINTER flag stores the size of pointer.
// FIXME: *const, *mut, NonNull and Box<> have the same size as usize.
// Resize if more smart pointers are supported.
self.size = std::mem::size_of::<usize>();
}
self.flags = VMStateFlags(self.flags.0 & !VMStateFlags::VMS_SINGLE.0);
self.flags = VMStateFlags(self.flags.0 | VMStateFlags::VMS_ARRAY.0);
self.num = num as i32;
self
}
#[must_use]
pub const fn with_pointer_flag(mut self) -> Self {
assert!((self.flags.0 & VMStateFlags::VMS_POINTER.0) == 0);
self.flags = VMStateFlags(self.flags.0 | VMStateFlags::VMS_POINTER.0);
self
}
#[must_use]
pub const fn with_varray_flag_unchecked(mut self, flag: VMStateFlags) -> Self {
self.flags = VMStateFlags(self.flags.0 & !VMStateFlags::VMS_ARRAY.0);
self.flags = VMStateFlags(self.flags.0 | flag.0);
self.num = 0; // varray uses num_offset instead of num.
self
}
#[must_use]
#[allow(unused_mut)]
pub const fn with_varray_flag(mut self, flag: VMStateFlags) -> Self {
assert!((self.flags.0 & VMStateFlags::VMS_ARRAY.0) != 0);
self.with_varray_flag_unchecked(flag)
}
#[must_use]
pub const fn with_varray_multiply(mut self, num: u32) -> Self {
assert!(num <= 0x7FFF_FFFFu32);
self.flags = VMStateFlags(self.flags.0 | VMStateFlags::VMS_MULTIPLY_ELEMENTS.0);
self.num = num as i32;
self
}
}
|
