uhyve_interface/v2/
parameters.rs

1//! Parameters for [Hypercalls](crate::v2::Hypercall).
2
3use crate::GuestPhysAddr;
4/// Re-export of all unchanged parameters and flags from v1.
5pub use crate::parameters::*;
6pub use crate::v1::parameters::{CloseParams, OpenParams, UnlinkParams};
7
8/// Parameters for a [`FileWrite`](crate::v2::Hypercall::FileWrite) hypercall.
9#[repr(C)]
10#[derive(Debug, Copy, Clone)]
11pub struct WriteParams {
12	/// Number of bytes in the buffer to be written.
13	pub len: u64,
14	/// Number of bytes written on success or errno.
15	pub ret: i64,
16	/// Buffer to be written into the file.
17	pub buf: GuestPhysAddr,
18	/// File descriptor of the file.
19	pub fd: i32,
20}
21
22/// Parameters for a [`FileRead`](crate::v2::Hypercall::FileRead) hypercall.
23#[repr(C)]
24#[derive(Debug, Copy, Clone)]
25pub struct ReadParams {
26	/// Number of bytes to read into the buffer.
27	pub len: u64,
28	/// Number of bytes read on success or errno.
29	pub ret: i64,
30	/// Buffer to read the file into.
31	pub buf: GuestPhysAddr,
32	/// File descriptor of the file.
33	pub fd: i32,
34}
35
36/// Parameters for a [`FileLseek`](crate::v2::Hypercall::FileLseek) hypercall
37#[repr(C)]
38#[derive(Debug, Copy, Clone)]
39pub struct LseekParams {
40	/// Offset in the file.
41	pub offset: i64,
42	/// `whence` value of the lseek call.
43	pub whence: u32,
44	/// File descriptor of the file.
45	pub fd: i32,
46}
47
48/// Parameters for a [`SerialWriteBuffer`](crate::v1::Hypercall::SerialWriteBuffer) hypercall.
49#[repr(C)]
50#[derive(Debug, Copy, Clone)]
51pub struct SerialWriteBufferParams {
52	/// Length of the buffer.
53	pub len: u64,
54	/// Address of the buffer to be printed.
55	pub buf: GuestPhysAddr,
56}
57
58/// Parameters for a [`SerialReadBuffer`](crate::v2::Hypercall::SerialReadBuffer) hypercall.
59#[repr(C)]
60#[derive(Debug, Copy, Clone)]
61pub struct SerialReadBufferParams {
62	/// length of `buf`.
63	pub maxlen: u64,
64	/// Amount of bytes acutally written.
65	pub len: u64,
66	/// Address to write to.
67	pub buf: GuestPhysAddr,
68}
uhyve_interface/v2/parameters.rs

uhyve_interface/v2/
parameters.rs
