vendor aarch64 sys.rs

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Bench
         run: cargo bench --package io-uring-bench
 
-  check-x86_64:
+  check-vendor:
     runs-on: ubuntu-latest
 
     strategy:
@@ -44,6 +44,7 @@ jobs:
         target:
           - x86_64-unknown-linux-gnu
           - x86_64-unknown-linux-musl
+          - aarch64-unknown-linux-gnu
 
     steps:
       - uses: actions/checkout@v4
@@ -68,7 +69,6 @@ jobs:
           - "1.63"
         target:
           - i686-unknown-linux-gnu
-          - aarch64-unknown-linux-gnu
 
     steps:
       - uses: actions/checkout@v4

Cargo.toml

@@ -23,6 +23,7 @@ io_safety = []
 
 [dependencies]
 bitflags = "2"
+cfg-if = "1"
 
 libc = { version = "0.2.98", default-features = false }
 sc = { version = "0.2", optional = true }

build.rs

@@ -26,6 +26,8 @@ fn build() {
     #[cfg(feature = "overwrite")]
     let outdir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("src/sys");
 
+    let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
+
     let mut builder = bindgen::Builder::default();
 
     if let Some(path) = env::var("BUILD_IO_URING_INCLUDE_FILE")
@@ -37,6 +39,8 @@ fn build() {
         builder = builder.header_contents("include-file.h", INCLUDE);
     }
 
+    let target_file = outdir.join(format!("sys_{}.rs", target_arch));
+
     builder
         .ctypes_prefix("libc")
         .prepend_enum_name(false)
@@ -47,6 +51,6 @@ fn build() {
         .allowlist_var("__NR_io_uring.*|IOSQE_.*|IORING_.*|IO_URING_.*|SPLICE_F_FD_IN_FIXED")
         .generate()
         .unwrap()
-        .write_to_file(outdir.join("sys.rs"))
+        .write_to_file(target_file)
         .unwrap();
 }

io-uring-test/src/tests/fs.rs

@@ -744,6 +744,8 @@ pub fn test_file_direct_write_read<S: squeue::EntryMarker, C: cqueue::EntryMarke
 
     assert_eq!(cqes.len(), 1);
     assert_eq!(cqes[0].user_data(), 0x03);
+
+    // when fs does not support Direct IO, it may fallback to buffered IO.
     assert_eq_warn!(cqes[0].result(), -libc::EINVAL);
 
     Ok(())

src/sys/mod.rs

@@ -35,7 +35,7 @@ fn to_result(ret: c_int) -> io::Result<c_int> {
 
 #[cfg(all(
     not(feature = "bindgen"),
-    not(target_arch = "x86_64"),
+    not(any(target_arch = "x86_64", target_arch = "aarch64")),
     not(io_uring_skip_arch_check)
 ))]
 compile_error!(