From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/rustix/src/ioctl/bsd.rs | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 vendor/rustix/src/ioctl/bsd.rs (limited to 'vendor/rustix/src/ioctl/bsd.rs') diff --git a/vendor/rustix/src/ioctl/bsd.rs b/vendor/rustix/src/ioctl/bsd.rs new file mode 100644 index 0000000..2639d81 --- /dev/null +++ b/vendor/rustix/src/ioctl/bsd.rs @@ -0,0 +1,27 @@ +//! `ioctl` opcode behavior for BSD platforms. + +use super::{Direction, RawOpcode}; + +pub(super) const fn compose_opcode( + dir: Direction, + group: RawOpcode, + num: RawOpcode, + size: RawOpcode, +) -> RawOpcode { + let dir = match dir { + Direction::None => NONE, + Direction::Read => READ, + Direction::Write => WRITE, + Direction::ReadWrite => READ | WRITE, + }; + + dir | num | (group << 8) | ((size & IOCPARAM_MASK) << 16) +} + +// `IOC_VOID` +pub const NONE: RawOpcode = 0x2000_0000; +// `IOC_OUT` ("out" is from the perspective of the kernel) +pub const READ: RawOpcode = 0x4000_0000; +// `IOC_IN` +pub const WRITE: RawOpcode = 0x8000_0000; +pub const IOCPARAM_MASK: RawOpcode = 0x1FFF; -- cgit v1.2.3