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

* rust: use native Meson support for clippy and rustdoc
* rust: add "bits", a custom bitflags implementation
* target/i386: Remove FRED dependency on WRMSRNS
* target/i386: Add the immediate form MSR access instruction support
* TDX fixes

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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:
  rust: qemu-api-macros: add from_bits and into_bits to #[derive(TryInto)]
  rust: pl011: use the bits macro
  rust: add "bits", a custom bitflags implementation
  i386/tdvf: Fix build on 32-bit host
  i386/tdx: Fix build on 32-bit host
  meson: use config_base_arch for target libraries
  target/i386: Add the immediate form MSR access instruction support
  target/i386: Add a new CPU feature word for CPUID.7.1.ECX
  target/i386: Remove FRED dependency on WRMSRNS
  rust: use native Meson support for clippy and rustdoc
  rust: cell: remove support for running doctests with "cargo test --doc"
  rust: add qemu-api doctests to "meson test"
  build, dockerfiles: add support for detecting rustdoc
  rust: use "objects" for Rust executables as well
  meson: update to version 1.8.1
  rust: bindings: allow ptr_offset_with_cast

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

3 files changed, 23 insertions, 34 deletions

diff --git a/rust/qemu-api/meson.build b/rust/qemu-api/meson.build
index 1ea86b8..b532281 100644
--- a/rust/qemu-api/meson.build
+++ b/rust/qemu-api/meson.build
@@ -35,32 +35,24 @@ _qemu_api_rs = static_library(
   override_options: ['rust_std=2021', 'build.rust_std=2021'],
   rust_abi: 'rust',
   rust_args: _qemu_api_cfg,
-  dependencies: [libc_rs, qemu_api_macros],
+  dependencies: [libc_rs, qemu_api_macros, qemuutil_rs,
+                 qom, hwcore, chardev, migration],
 )
 
 rust.test('rust-qemu-api-tests', _qemu_api_rs,
           suite: ['unit', 'rust'])
 
-qemu_api = declare_dependency(link_with: _qemu_api_rs)
+qemu_api = declare_dependency(link_with: [_qemu_api_rs],
+  dependencies: [qemu_api_macros, qom, hwcore, chardev, migration])
 
-# Rust executables do not support objects, so add an intermediate step.
-rust_qemu_api_objs = static_library(
-    'rust_qemu_api_objs',
-    objects: [libqom.extract_all_objects(recursive: false),
-              libhwcore.extract_all_objects(recursive: false),
-              libchardev.extract_all_objects(recursive: false),
-              libcrypto.extract_all_objects(recursive: false),
-              libauthz.extract_all_objects(recursive: false),
-              libio.extract_all_objects(recursive: false),
-              libmigration.extract_all_objects(recursive: false)])
-rust_qemu_api_deps = declare_dependency(
-    dependencies: [
-      qom_ss.dependencies(),
-      chardev_ss.dependencies(),
-      crypto_ss.dependencies(),
-      authz_ss.dependencies(),
-      io_ss.dependencies()],
-    link_whole: [rust_qemu_api_objs, libqemuutil])
+# Doctests are essentially integration tests, so they need the same dependencies.
+# Note that running them requires the object files for C code, so place them
+# in a separate suite that is run by the "build" CI jobs rather than "check".
+rust.doctest('rust-qemu-api-doctests',
+     _qemu_api_rs,
+     protocol: 'rust',
+     dependencies: qemu_api,
+     suite: ['doc', 'rust'])
 
 test('rust-qemu-api-integration',
     executable(
@@ -69,7 +61,7 @@ test('rust-qemu-api-integration',
         override_options: ['rust_std=2021', 'build.rust_std=2021'],
         rust_args: ['--test'],
         install: false,
-        dependencies: [qemu_api, qemu_api_macros, rust_qemu_api_deps]),
+        dependencies: [qemu_api]),
     args: [
         '--test', '--test-threads', '1',
         '--format', 'pretty',
diff --git a/rust/qemu-api/src/bindings.rs b/rust/qemu-api/src/bindings.rs
index 3c1d297..057de4b 100644
--- a/rust/qemu-api/src/bindings.rs
+++ b/rust/qemu-api/src/bindings.rs
@@ -11,6 +11,7 @@
     clippy::restriction,
     clippy::style,
     clippy::missing_const_for_fn,
+    clippy::ptr_offset_with_cast,
     clippy::useless_transmute,
     clippy::missing_safety_doc
 )]
diff --git a/rust/qemu-api/src/cell.rs b/rust/qemu-api/src/cell.rs
index 05ce09f..27063b0 100644
--- a/rust/qemu-api/src/cell.rs
+++ b/rust/qemu-api/src/cell.rs
@@ -225,27 +225,23 @@ use crate::bindings;
 
 /// An internal function that is used by doctests.
 pub fn bql_start_test() {
-    if cfg!(MESON) {
-        // SAFETY: integration tests are run with --test-threads=1, while
-        // unit tests and doctests are not multithreaded and do not have
-        // any BQL-protected data.  Just set bql_locked to true.
-        unsafe {
-            bindings::rust_bql_mock_lock();
-        }
+    // SAFETY: integration tests are run with --test-threads=1, while
+    // unit tests and doctests are not multithreaded and do not have
+    // any BQL-protected data.  Just set bql_locked to true.
+    unsafe {
+        bindings::rust_bql_mock_lock();
     }
 }
 
 pub fn bql_locked() -> bool {
     // SAFETY: the function does nothing but return a thread-local bool
-    !cfg!(MESON) || unsafe { bindings::bql_locked() }
+    unsafe { bindings::bql_locked() }
 }
 
 fn bql_block_unlock(increase: bool) {
-    if cfg!(MESON) {
-        // SAFETY: this only adjusts a counter
-        unsafe {
-            bindings::bql_block_unlock(increase);
-        }
+    // SAFETY: this only adjusts a counter
+    unsafe {
+        bindings::bql_block_unlock(increase);
     }
 }