rust: split "chardev" crate

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Link: https://lore.kernel.org/r/20250827104147.717203-14-marcandre.lureau@redhat.com
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

4 files changed, 4 insertions, 12 deletions

diff --git a/rust/qemu-api/src/chardev.rs b/rust/chardev/src/chardev.rs
index 072d806e4a..072d806e4a 100644
--- a/rust/qemu-api/src/chardev.rs
+++ b/rust/chardev/src/chardev.rs
diff --git a/rust/qemu-api/src/bindings.rs b/rust/qemu-api/src/bindings.rs
index 525f136ae2..526bcf8e31 100644
--- a/rust/qemu-api/src/bindings.rs
+++ b/rust/qemu-api/src/bindings.rs
@@ -20,6 +20,7 @@
 
 //! `bindgen`-generated declarations.
 
+use chardev::bindings::Chardev;
 use common::Zeroable;
 use migration::bindings::VMStateDescription;
 use qom::bindings::ObjectClass;
@@ -31,13 +32,6 @@ include!("bindings.inc.rs");
 #[cfg(not(MESON))]
 include!(concat!(env!("OUT_DIR"), "/bindings.inc.rs"));
 
-// SAFETY: these are implemented in C; the bindings need to assert that the
-// BQL is taken, either directly or via `BqlCell` and `BqlRefCell`.
-// When bindings for character devices are introduced, this can be
-// moved to the Opaque<> wrapper in src/chardev.rs.
-unsafe impl Send for CharBackend {}
-unsafe impl Sync for CharBackend {}
-
 // SAFETY: this is a pure data struct
 unsafe impl Send for CoalescedMemoryRange {}
 unsafe impl Sync for CoalescedMemoryRange {}
@@ -59,4 +53,3 @@ unsafe impl Zeroable for crate::bindings::MemoryRegionOps__bindgen_ty_1 {}
 unsafe impl Zeroable for crate::bindings::MemoryRegionOps__bindgen_ty_2 {}
 unsafe impl Zeroable for crate::bindings::MemoryRegionOps {}
 unsafe impl Zeroable for crate::bindings::MemTxAttrs {}
-unsafe impl Zeroable for crate::bindings::CharBackend {}
diff --git a/rust/qemu-api/src/lib.rs b/rust/qemu-api/src/lib.rs
index 0541050e66..d96096899d 100644
--- a/rust/qemu-api/src/lib.rs
+++ b/rust/qemu-api/src/lib.rs
@@ -13,7 +13,6 @@ pub mod bindings;
 #[rustfmt::skip]
 pub mod prelude;
 
-pub mod chardev;
 pub mod irq;
 pub mod memory;
 pub mod qdev;
diff --git a/rust/qemu-api/src/qdev.rs b/rust/qemu-api/src/qdev.rs
index 3daf9dda2b..7efc796f50 100644
--- a/rust/qemu-api/src/qdev.rs
+++ b/rust/qemu-api/src/qdev.rs
@@ -10,6 +10,7 @@ use std::{
 };
 
 pub use bindings::{ClockEvent, DeviceClass, Property, ResetType};
+use chardev::Chardev;
 use common::{callbacks::FnCall, Opaque};
 use migration::{impl_vmstate_c_struct, VMStateDescription};
 use qom::{prelude::*, ObjectClass, ObjectImpl, Owned, ParentInit};
@@ -17,7 +18,6 @@ use util::{Error, Result};
 
 use crate::{
     bindings::{self, qdev_init_gpio_in, qdev_init_gpio_out, ResettableClass},
-    chardev::Chardev,
     irq::InterruptSource,
 };
 
@@ -137,8 +137,8 @@ unsafe impl QDevProp for u64 {
     const VALUE: *const bindings::PropertyInfo = unsafe { &bindings::qdev_prop_uint64 };
 }
 
-/// Use [`bindings::qdev_prop_chr`] for [`crate::chardev::CharBackend`].
-unsafe impl QDevProp for crate::chardev::CharBackend {
+/// Use [`bindings::qdev_prop_chr`] for [`chardev::CharBackend`].
+unsafe impl QDevProp for chardev::CharBackend {
     const VALUE: *const bindings::PropertyInfo = unsafe { &bindings::qdev_prop_chr };
 }