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* rust: repurpose qemu_api -> testsMarc-André Lureau2025-09-171-541/+0
| | | | | | | | | | | | | | | The crate purpose is only to provide integration tests at this point, that can't easily be moved to a specific crate. It's also often a good practice to have a single integration test crate (see for ex https://github.com/rust-lang/cargo/issues/4867) Drop README.md, use docs/devel/rust.rst instead. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Link: https://lore.kernel.org/r/20250827104147.717203-20-marcandre.lureau@redhat.com Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: split "bql" crateMarc-André Lureau2025-09-171-1/+1
| | | | | | | | | | | | Unfortunately, an example had to be compile-time disabled, since it relies on higher level crates (qdev, irq etc). The alternative is probably to move that code to an example in qemu-api or elsewere and make a link to it, or include_str. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Link: https://lore.kernel.org/r/20250827104147.717203-12-marcandre.lureau@redhat.com Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: split "migration" crateMarc-André Lureau2025-09-171-2/+2
| | | | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Link: https://lore.kernel.org/r/20250827104147.717203-11-marcandre.lureau@redhat.com Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: split Rust-only "common" crateMarc-André Lureau2025-09-171-1/+2
| | | | | | | Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Link: https://lore.kernel.org/r/20250827104147.717203-6-marcandre.lureau@redhat.com Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: vmstate: use const_refs_to_staticPaolo Bonzini2025-09-171-21/+44
| | | | | | | | | | | | | | The VMStateDescriptionBuilder already needs const_refs_static, so use it to remove the need for vmstate_clock! and vmstate_struct!, as well as to simplify the implementation for scalars. If the consts in the VMState trait can reference to static VMStateDescription, scalars do not need the info_enum_to_ref! indirection and structs can implement the VMState trait themselves. Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250908105005.2119297-9-pbonzini@redhat.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: vmstate: convert to use builder patternZhao Liu2025-09-171-56/+68
| | | | | | | | | | | | | | | | Similar to MemoryRegionOps, the builder pattern has two advantages: 1) it makes it possible to build a VMStateDescription that knows which types it will be invoked on; 2) it provides a way to wrap the callbacks and let devices avoid "unsafe". Unfortunately, building a static VMStateDescription requires the builder methods to be "const", and because the VMStateFields are *also* static, this requires const_refs_static. So this requires Rust 1.83.0. Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250908105005.2119297-8-pbonzini@redhat.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: Fix Zhao's email addressZhao Liu2025-05-261-1/+1
| | | | | | | | No one could find Zhao Liu via zhai1.liu@intel.com. Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250520152750.2542612-5-zhao1.liu@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: replace c_str! with c"" literalsPaolo Bonzini2025-05-061-8/+7
| | | | | Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: remove offset_of replacementPaolo Bonzini2025-05-061-3/+2
| | | | | Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust: use std::ffi instead of std::os::rawPaolo Bonzini2025-05-061-1/+6
| | | | | | | | This is allowed since Rust 1.64.0. Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust/vmstate_test: Test varray with num field wrapped in BqlCellZhao Liu2025-05-021-8/+33
| | | | | | Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250414144943.1112885-4-zhao1.liu@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust/vmstate_test: Fix typo in test_vmstate_macro_array_of_pointer_wrapped()Zhao Liu2025-04-231-2/+2
| | | | | | | | | test_vmstate_macro_array_of_pointer_wrapped() tests the 3rd element, so fix the index. Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250414144943.1112885-5-zhao1.liu@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust/vmstate: Add unit test for vmstate_validateZhao Liu2025-03-211-2/+80
| | | | | | | | | Add a unit test for vmstate_validate, which corresponds to the C version macro: VMSTATE_VALIDATE. Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250318130219.1799170-15-zhao1.liu@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust/vmstate: Add unit test for pointer caseZhao Liu2025-03-211-4/+115
| | | | | | | | | | | | | | | Add a unit test to cover some patterns accepted by vmstate_of macro, which correspond to the following C version macros: * VMSTATE_POINTER * VMSTATE_ARRAY_OF_POINTER Note: Currently, vmstate_struct can't handle the pointer to structure case. Leave this case as a FIXME and use vmstate_unused as a place holder. Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250318130219.1799170-14-zhao1.liu@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust/vmstate: Add unit test for vmstate_{of|struct} macroZhao Liu2025-03-211-2/+156
| | | | | | | | | | | | | | | | Add a unit test to cover some patterns accepted by vmstate_of and vmstate_struct macros, which correspond to the following C version macros: * VMSTATE_BOOL_V * VMSTATE_U64 * VMSTATE_STRUCT_VARRAY_UINT8 * (no C version) MULTIPLY variant of VMSTATE_STRUCT_VARRAY_UINT32 * VMSTATE_ARRAY Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250318130219.1799170-13-zhao1.liu@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* rust/vmstate: Add unit test for vmstate_of macroZhao Liu2025-03-211-0/+134
The vmstate has too many combinations of VMStateFlags and VMStateField. Currently, the best way to test is to ensure that the Rust vmstate definition is consistent with the (possibly corresponding) C version. Add a unit test to cover some patterns accepted by vmstate_of macro, which correspond to the following C version macros: * VMSTATE_U16 * VMSTATE_UNUSED * VMSTATE_VARRAY_UINT16_UNSAFE * VMSTATE_VARRAY_MULTIPLY Note: Because vmstate_info_* are defined in vmstate-types.c, it's necessary to link libmigration to rust unit tests. In the future, maybe it's possible to spilt libmigration from rust_qemu_api_objs. Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/r/20250318130219.1799170-12-zhao1.liu@intel.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>