Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* rust: more qdev bindings
* rust: HPET device model with timer and GPIO bindings
* rust: small cleanups and fixes; run doctests during CI
* ui/sdl2: reenable the SDL2 Windows keyboard hook procedure

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# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (27 commits)
  ui/sdl2: reenable the SDL2 Windows keyboard hook procedure
  rust: fix doctests
  rust: vmstate: remove redundant link targets
  rust: qemu_api: add a documentation header for all modules
  i386: enable rust hpet for pc when rust is enabled
  rust/timer/hpet: add qom and qdev APIs support
  rust/timer/hpet: add basic HPET timer and HPETState
  rust/timer/hpet: define hpet_fw_cfg
  rust: add bindings for timer
  rust: add bindings for memattrs
  rust: add bindings for gpio_{in|out} initialization
  rust/irq: Add a helper to convert [InterruptSource] to pointer
  rust/qdev: add the macro to define bit property
  i386/fw_cfg: move hpet_cfg definition to hpet.c
  rust: pl011: convert pl011_create to safe Rust
  rust: chardev, qdev: add bindings to qdev_prop_set_chr
  rust: irq: define ObjectType for IRQState
  rust: bindings for MemoryRegionOps
  rust: bindings: add Send and Sync markers for types that have bindings
  rust: qdev: switch from legacy reset to Resettable
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/rust/qemu-api/src/zeroable.rs b/rust/qemu-api/src/zeroable.rs
index 7b04947cb6..47b6977828 100644
--- a/rust/qemu-api/src/zeroable.rs
+++ b/rust/qemu-api/src/zeroable.rs
@@ -1,11 +1,13 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+//! Defines a trait for structs that can be safely initialized with zero bytes.
+
 /// Encapsulates the requirement that
 /// `MaybeUninit::<Self>::zeroed().assume_init()` does not cause undefined
 /// behavior.  This trait in principle could be implemented as just:
 ///
 /// ```
-/// pub unsafe trait Zeroable {
+/// pub unsafe trait Zeroable: Default {
 ///     const ZERO: Self = unsafe { ::core::mem::MaybeUninit::<Self>::zeroed().assume_init() };
 /// }
 /// ```
@@ -56,6 +58,7 @@ pub unsafe trait Zeroable: Default {
 /// ## Differences with `core::mem::zeroed`
 ///
 /// `const_zero` zeroes padding bits, while `core::mem::zeroed` doesn't
+#[macro_export]
 macro_rules! const_zero {
     // This macro to produce a type-generic zero constant is taken from the
     // const_zero crate (v0.1.1):
@@ -77,10 +80,11 @@ macro_rules! const_zero {
 }
 
 /// A wrapper to implement the `Zeroable` trait through the `const_zero` macro.
+#[macro_export]
 macro_rules! impl_zeroable {
     ($type:ty) => {
-        unsafe impl Zeroable for $type {
-            const ZERO: Self = unsafe { const_zero!($type) };
+        unsafe impl $crate::zeroable::Zeroable for $type {
+            const ZERO: Self = unsafe { $crate::const_zero!($type) };
         }
     };
 }
@@ -100,3 +104,5 @@ impl_zeroable!(crate::bindings::VMStateField);
 impl_zeroable!(crate::bindings::VMStateDescription);
 impl_zeroable!(crate::bindings::MemoryRegionOps__bindgen_ty_1);
 impl_zeroable!(crate::bindings::MemoryRegionOps__bindgen_ty_2);
+impl_zeroable!(crate::bindings::MemoryRegionOps);
+impl_zeroable!(crate::bindings::MemTxAttrs);