From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>
---
 .../rustix/src/backend/libc/io_uring/syscalls.rs   | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 vendor/rustix/src/backend/libc/io_uring/syscalls.rs

(limited to 'vendor/rustix/src/backend/libc/io_uring/syscalls.rs')

diff --git a/vendor/rustix/src/backend/libc/io_uring/syscalls.rs b/vendor/rustix/src/backend/libc/io_uring/syscalls.rs
new file mode 100644
index 0000000..8e81824
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/io_uring/syscalls.rs
@@ -0,0 +1,70 @@
+//! libc syscalls supporting `rustix::io_uring`.
+
+use crate::backend::c;
+use crate::backend::conv::{borrowed_fd, ret_owned_fd, ret_u32};
+use crate::fd::{BorrowedFd, OwnedFd};
+use crate::io;
+use crate::io_uring::{io_uring_params, IoringEnterFlags, IoringRegisterOp};
+
+#[inline]
+pub(crate) fn io_uring_setup(entries: u32, params: &mut io_uring_params) -> io::Result<OwnedFd> {
+    syscall! {
+        fn io_uring_setup(
+            entries: u32,
+            params: *mut io_uring_params
+        ) via SYS_io_uring_setup -> c::c_int
+    }
+    unsafe { ret_owned_fd(io_uring_setup(entries, params)) }
+}
+
+#[inline]
+pub(crate) unsafe fn io_uring_register(
+    fd: BorrowedFd<'_>,
+    opcode: IoringRegisterOp,
+    arg: *const c::c_void,
+    nr_args: u32,
+) -> io::Result<u32> {
+    syscall! {
+        fn io_uring_register(
+            fd: c::c_uint,
+            opcode: c::c_uint,
+            arg: *const c::c_void,
+            nr_args: c::c_uint
+        ) via SYS_io_uring_register -> c::c_int
+    }
+    ret_u32(io_uring_register(
+        borrowed_fd(fd) as _,
+        opcode as u32,
+        arg,
+        nr_args,
+    ))
+}
+
+#[inline]
+pub(crate) unsafe fn io_uring_enter(
+    fd: BorrowedFd<'_>,
+    to_submit: u32,
+    min_complete: u32,
+    flags: IoringEnterFlags,
+    arg: *const c::c_void,
+    size: usize,
+) -> io::Result<u32> {
+    syscall! {
+        fn io_uring_enter2(
+            fd: c::c_uint,
+            to_submit: c::c_uint,
+            min_complete: c::c_uint,
+            flags: c::c_uint,
+            arg: *const c::c_void,
+            size: usize
+        ) via SYS_io_uring_enter -> c::c_int
+    }
+    ret_u32(io_uring_enter2(
+        borrowed_fd(fd) as _,
+        to_submit,
+        min_complete,
+        bitflags_bits!(flags),
+        arg,
+        size,
+    ))
+}
-- 
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