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>
---
 vendor/rustix/src/fs/ioctl.rs | 92 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 vendor/rustix/src/fs/ioctl.rs

(limited to 'vendor/rustix/src/fs/ioctl.rs')

diff --git a/vendor/rustix/src/fs/ioctl.rs b/vendor/rustix/src/fs/ioctl.rs
new file mode 100644
index 0000000..7522275
--- /dev/null
+++ b/vendor/rustix/src/fs/ioctl.rs
@@ -0,0 +1,92 @@
+//! Filesystem-oriented `ioctl` functions.
+
+#![allow(unsafe_code)]
+
+#[cfg(linux_kernel)]
+use {
+    crate::fd::AsFd,
+    crate::{backend, io, ioctl},
+    backend::c,
+};
+
+#[cfg(all(linux_kernel, not(any(target_arch = "sparc", target_arch = "sparc64"))))]
+use crate::fd::{AsRawFd, BorrowedFd};
+
+/// `ioctl(fd, BLKSSZGET)`—Returns the logical block size of a block device.
+///
+/// This is mentioned in the [Linux `openat` manual page].
+///
+/// [Linux `openat` manual page]: https://man7.org/linux/man-pages/man2/openat.2.html
+#[cfg(linux_kernel)]
+#[inline]
+#[doc(alias = "BLKSSZGET")]
+pub fn ioctl_blksszget<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
+    // SAFETY: BLZSSZGET is a getter opcode that gets a u32.
+    unsafe {
+        let ctl = ioctl::Getter::<ioctl::BadOpcode<{ c::BLKSSZGET }>, c::c_uint>::new();
+        ioctl::ioctl(fd, ctl)
+    }
+}
+
+/// `ioctl(fd, BLKPBSZGET)`—Returns the physical block size of a block device.
+#[cfg(linux_kernel)]
+#[inline]
+#[doc(alias = "BLKPBSZGET")]
+pub fn ioctl_blkpbszget<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
+    // SAFETY: BLKPBSZGET is a getter opcode that gets a u32.
+    unsafe {
+        let ctl = ioctl::Getter::<ioctl::BadOpcode<{ c::BLKPBSZGET }>, c::c_uint>::new();
+        ioctl::ioctl(fd, ctl)
+    }
+}
+
+/// `ioctl(fd, FICLONE, src_fd)`—Share data between open files.
+///
+/// This ioctl is not available on Sparc platforms
+///
+/// # References
+///  - [Linux]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man2/ioctl_ficlone.2.html
+#[cfg(all(linux_kernel, not(any(target_arch = "sparc", target_arch = "sparc64"))))]
+#[inline]
+#[doc(alias = "FICLONE")]
+pub fn ioctl_ficlone<Fd: AsFd, SrcFd: AsFd>(fd: Fd, src_fd: SrcFd) -> io::Result<()> {
+    unsafe { ioctl::ioctl(fd, Ficlone(src_fd.as_fd())) }
+}
+
+/// `ioctl(fd, EXT4_IOC_RESIZE_FS, blocks)`—Resize ext4 filesystem on fd.
+#[cfg(linux_kernel)]
+#[inline]
+#[doc(alias = "EXT4_IOC_RESIZE_FS")]
+pub fn ext4_ioc_resize_fs<Fd: AsFd>(fd: Fd, blocks: u64) -> io::Result<()> {
+    // SAFETY: EXT4_IOC_RESIZE_FS is a pointer setter opcode.
+    unsafe {
+        let ctl = ioctl::Setter::<ioctl::BadOpcode<{ backend::fs::EXT4_IOC_RESIZE_FS }>, u64>::new(
+            blocks,
+        );
+        ioctl::ioctl(fd, ctl)
+    }
+}
+
+#[cfg(all(linux_kernel, not(any(target_arch = "sparc", target_arch = "sparc64"))))]
+struct Ficlone<'a>(BorrowedFd<'a>);
+
+#[cfg(all(linux_kernel, not(any(target_arch = "sparc", target_arch = "sparc64"))))]
+unsafe impl ioctl::Ioctl for Ficlone<'_> {
+    type Output = ();
+
+    const IS_MUTATING: bool = false;
+    const OPCODE: ioctl::Opcode = ioctl::Opcode::old(c::FICLONE as ioctl::RawOpcode);
+
+    fn as_ptr(&mut self) -> *mut c::c_void {
+        self.0.as_raw_fd() as *mut c::c_void
+    }
+
+    unsafe fn output_from_ptr(
+        _: ioctl::IoctlOutput,
+        _: *mut c::c_void,
+    ) -> io::Result<Self::Output> {
+        Ok(())
+    }
+}
-- 
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