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* rust: better integration with clippy, rustfmt and rustdoc

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* rust: interior mutability types
 * rust: add a bit operations module
 * rust: first part of QOM rework
 * kvm: remove unnecessary #ifdef
 * clock: small cleanups, improve handling of Clock lifetimes
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* rust: better integration with clippy, rustfmt and rustdoc
* rust: interior mutability types
* rust: add a bit operations module
* rust: first part of QOM rework
* kvm: remove unnecessary #ifdef
* clock: small cleanups, improve handling of Clock lifetimes

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# gpg: Signature made Wed 11 Dec 2024 09:57:29 EST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (49 commits)
  rust: qom: change the parent type to an associated type
  rust: qom: split ObjectType from ObjectImpl trait
  rust: qom: move bridge for TypeInfo functions out of pl011
  rust: qdev: move bridge for realize and reset functions out of pl011
  rust: qdev: move device_class_init! body to generic function, ClassInitImpl implementation to macro
  rust: qom: move ClassInitImpl to the instance side
  rust: qom: convert type_info! macro to an associated const
  rust: qom: rename Class trait to ClassInitImpl
  rust: qom: add default definitions for ObjectImpl
  rust: add a bit operation module
  rust: add bindings for interrupt sources
  rust: define prelude
  rust: cell: add BQL-enforcing RefCell variant
  rust: cell: add BQL-enforcing Cell variant
  bql: check that the BQL is not dropped within marked sections
  qom/object: Remove type_register()
  script/codeconverter/qom_type_info: Deprecate MakeTypeRegisterStatic and MakeTypeRegisterNotStatic
  ui: Replace type_register() with type_register_static()
  target/xtensa: Replace type_register() with type_register_static()
  target/sparc: Replace type_register() with type_register_static()
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2024-12-12 18:40:32 -05:00
commit 1eec82cc06
67 changed files with 1927 additions and 445 deletions
Download patch file Download diff file Expand all files Collapse all files

8
include/hw/clock.h
View file

@ -141,14 +141,6 @@ Clock *clock_new(Object *parent, const char *name);
void clock_set_callback(Clock *clk, ClockCallback *cb,
void *opaque, unsigned int events);
/**
* clock_clear_callback:
* @clk: the clock to delete the callback from
*
* Unregister the callback registered with clock_set_callback.
*/
void clock_clear_callback(Clock *clk);
/**
* clock_set_source:
* @clk: the clock.

4
include/hw/i386/pc.h
View file

@ -319,7 +319,7 @@ extern const size_t pc_compat_2_3_len;
}; \
static void pc_machine_init_##suffix(void) \
{ \
type_register(&pc_machine_type_##suffix); \
type_register_static(&pc_machine_type_##suffix); \
} \
type_init(pc_machine_init_##suffix)
@ -349,7 +349,7 @@ extern const size_t pc_compat_2_3_len;
static void MACHINE_VER_SYM(register, namesym, __VA_ARGS__)(void) \
{ \
MACHINE_VER_DELETION(__VA_ARGS__); \
type_register(&MACHINE_VER_SYM(info, namesym, __VA_ARGS__)); \
type_register_static(&MACHINE_VER_SYM(info, namesym, __VA_ARGS__)); \
} \
type_init(MACHINE_VER_SYM(register, namesym, __VA_ARGS__));

15
include/qemu/main-loop.h
View file

@ -262,6 +262,21 @@ AioContext *iohandler_get_aio_context(void);
*/
bool bql_locked(void);
/**
* bql_block: Allow/deny releasing the BQL
*
* The Big QEMU Lock (BQL) is used to provide interior mutability to
* Rust code, but this only works if other threads cannot run while
* the Rust code has an active borrow. This is because C code in
* other threads could come in and mutate data under the Rust code's
* feet.
*
* @increase: Whether to increase or decrease the blocking counter.
* Releasing the BQL while the counter is nonzero triggers
* an assertion failure.
*/
void bql_block_unlock(bool increase);
/**
* qemu_in_main_thread: return whether it's possible to safely access
* the global state of the block layer.

14
include/qom/object.h
View file

@ -880,24 +880,10 @@ const char *object_get_typename(const Object *obj);
* type_register_static:
* @info: The #TypeInfo of the new type.
*
* @info and all of the strings it points to should exist for the life time
* that the type is registered.
*
* Returns: the new #Type.
*/
Type type_register_static(const TypeInfo *info);
/**
* type_register:
* @info: The #TypeInfo of the new type
*
* Unlike type_register_static(), this call does not require @info or its
* string members to continue to exist after the call returns.
*
* Returns: the new #Type.
*/
Type type_register(const TypeInfo *info);
/**
* type_register_static_array:
* @infos: The array of the new type #TypeInfo structures.