From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/rustix/src/imp/libc/io_uring/syscalls.rs | 55 +++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 vendor/rustix/src/imp/libc/io_uring/syscalls.rs

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

diff --git a/vendor/rustix/src/imp/libc/io_uring/syscalls.rs b/vendor/rustix/src/imp/libc/io_uring/syscalls.rs
new file mode 100644
index 000000000..d1e68363c
--- /dev/null
+++ b/vendor/rustix/src/imp/libc/io_uring/syscalls.rs
@@ -0,0 +1,55 @@
+//! libc syscalls supporting `rustix::io_uring`.
+
+use super::super::c;
+use super::super::conv::{borrowed_fd, syscall_ret, syscall_ret_owned_fd, syscall_ret_u32};
+use crate::fd::BorrowedFd;
+use crate::io::{self, OwnedFd};
+use crate::io_uring::{io_uring_params, IoringEnterFlags, IoringRegisterOp};
+use linux_raw_sys::general::{__NR_io_uring_enter, __NR_io_uring_register, __NR_io_uring_setup};
+
+#[inline]
+pub(crate) fn io_uring_setup(entries: u32, params: &mut io_uring_params) -> io::Result<OwnedFd> {
+    unsafe {
+        syscall_ret_owned_fd(c::syscall(
+            __NR_io_uring_setup as _,
+            entries as usize,
+            params,
+        ))
+    }
+}
+
+#[inline]
+pub(crate) unsafe fn io_uring_register(
+    fd: BorrowedFd<'_>,
+    opcode: IoringRegisterOp,
+    arg: *const c::c_void,
+    nr_args: u32,
+) -> io::Result<()> {
+    syscall_ret(c::syscall(
+        __NR_io_uring_register as _,
+        borrowed_fd(fd),
+        opcode as u32 as usize,
+        arg,
+        nr_args as usize,
+    ))
+}
+
+#[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_ret_u32(c::syscall(
+        __NR_io_uring_enter as _,
+        borrowed_fd(fd),
+        to_submit as usize,
+        min_complete as usize,
+        flags.bits() as usize,
+        arg,
+        size,
+    ))
+}
-- 
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