summaryrefslogtreecommitdiff
path: root/src/vhost_kern/vhost_binding.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/vhost_kern/vhost_binding.rs')
-rw-r--r--src/vhost_kern/vhost_binding.rs406
1 files changed, 0 insertions, 406 deletions
diff --git a/src/vhost_kern/vhost_binding.rs b/src/vhost_kern/vhost_binding.rs
deleted file mode 100644
index 57ae698..0000000
--- a/src/vhost_kern/vhost_binding.rs
+++ /dev/null
@@ -1,406 +0,0 @@
-// Copyright (C) 2019 Alibaba Cloud Computing. All rights reserved.
-// SPDX-License-Identifier: Apache-2.0 or BSD-3-Clause
-//
-// Portions Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
-//
-// Portions Copyright 2017 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE-BSD-Google file.
-
-/* Auto-generated by bindgen then manually edited for simplicity */
-
-#![allow(non_upper_case_globals)]
-#![allow(non_camel_case_types)]
-#![allow(non_snake_case)]
-#![allow(missing_docs)]
-#![allow(clippy::missing_safety_doc)]
-
-use crate::{Error, Result};
-use std::os::raw;
-
-pub const VHOST: raw::c_uint = 0xaf;
-pub const VHOST_VRING_F_LOG: raw::c_uint = 0;
-pub const VHOST_ACCESS_RO: raw::c_uint = 1;
-pub const VHOST_ACCESS_WO: raw::c_uint = 2;
-pub const VHOST_ACCESS_RW: raw::c_uint = 3;
-pub const VHOST_IOTLB_MISS: raw::c_uint = 1;
-pub const VHOST_IOTLB_UPDATE: raw::c_uint = 2;
-pub const VHOST_IOTLB_INVALIDATE: raw::c_uint = 3;
-pub const VHOST_IOTLB_ACCESS_FAIL: raw::c_uint = 4;
-pub const VHOST_IOTLB_MSG: raw::c_uint = 1;
-pub const VHOST_PAGE_SIZE: raw::c_uint = 4096;
-pub const VHOST_VIRTIO: raw::c_uint = 175;
-pub const VHOST_VRING_LITTLE_ENDIAN: raw::c_uint = 0;
-pub const VHOST_VRING_BIG_ENDIAN: raw::c_uint = 1;
-pub const VHOST_F_LOG_ALL: raw::c_uint = 26;
-pub const VHOST_NET_F_VIRTIO_NET_HDR: raw::c_uint = 27;
-pub const VHOST_SCSI_ABI_VERSION: raw::c_uint = 1;
-
-ioctl_ior_nr!(VHOST_GET_FEATURES, VHOST, 0x00, raw::c_ulonglong);
-ioctl_iow_nr!(VHOST_SET_FEATURES, VHOST, 0x00, raw::c_ulonglong);
-ioctl_io_nr!(VHOST_SET_OWNER, VHOST, 0x01);
-ioctl_io_nr!(VHOST_RESET_OWNER, VHOST, 0x02);
-ioctl_iow_nr!(VHOST_SET_MEM_TABLE, VHOST, 0x03, vhost_memory);
-ioctl_iow_nr!(VHOST_SET_LOG_BASE, VHOST, 0x04, raw::c_ulonglong);
-ioctl_iow_nr!(VHOST_SET_LOG_FD, VHOST, 0x07, raw::c_int);
-ioctl_iow_nr!(VHOST_SET_VRING_NUM, VHOST, 0x10, vhost_vring_state);
-ioctl_iow_nr!(VHOST_SET_VRING_ADDR, VHOST, 0x11, vhost_vring_addr);
-ioctl_iow_nr!(VHOST_SET_VRING_BASE, VHOST, 0x12, vhost_vring_state);
-ioctl_iowr_nr!(VHOST_GET_VRING_BASE, VHOST, 0x12, vhost_vring_state);
-ioctl_iow_nr!(VHOST_SET_VRING_KICK, VHOST, 0x20, vhost_vring_file);
-ioctl_iow_nr!(VHOST_SET_VRING_CALL, VHOST, 0x21, vhost_vring_file);
-ioctl_iow_nr!(VHOST_SET_VRING_ERR, VHOST, 0x22, vhost_vring_file);
-ioctl_iow_nr!(VHOST_NET_SET_BACKEND, VHOST, 0x30, vhost_vring_file);
-ioctl_iow_nr!(VHOST_SCSI_SET_ENDPOINT, VHOST, 0x40, vhost_scsi_target);
-ioctl_iow_nr!(VHOST_SCSI_CLEAR_ENDPOINT, VHOST, 0x41, vhost_scsi_target);
-ioctl_iow_nr!(VHOST_SCSI_GET_ABI_VERSION, VHOST, 0x42, raw::c_int);
-ioctl_iow_nr!(VHOST_SCSI_SET_EVENTS_MISSED, VHOST, 0x43, raw::c_uint);
-ioctl_iow_nr!(VHOST_SCSI_GET_EVENTS_MISSED, VHOST, 0x44, raw::c_uint);
-ioctl_iow_nr!(VHOST_VSOCK_SET_GUEST_CID, VHOST, 0x60, raw::c_ulonglong);
-ioctl_iow_nr!(VHOST_VSOCK_SET_RUNNING, VHOST, 0x61, raw::c_int);
-
-#[repr(C)]
-#[derive(Default)]
-pub struct __IncompleteArrayField<T>(::std::marker::PhantomData<T>);
-
-impl<T> __IncompleteArrayField<T> {
- #[inline]
- pub fn new() -> Self {
- __IncompleteArrayField(::std::marker::PhantomData)
- }
-
- #[inline]
- #[allow(clippy::trivially_copy_pass_by_ref)]
- #[allow(clippy::useless_transmute)]
- pub unsafe fn as_ptr(&self) -> *const T {
- ::std::mem::transmute(self)
- }
-
- #[inline]
- #[allow(clippy::useless_transmute)]
- pub unsafe fn as_mut_ptr(&mut self) -> *mut T {
- ::std::mem::transmute(self)
- }
-
- #[inline]
- pub unsafe fn as_slice(&self, len: usize) -> &[T] {
- ::std::slice::from_raw_parts(self.as_ptr(), len)
- }
-
- #[inline]
- pub unsafe fn as_mut_slice(&mut self, len: usize) -> &mut [T] {
- ::std::slice::from_raw_parts_mut(self.as_mut_ptr(), len)
- }
-}
-
-impl<T> ::std::fmt::Debug for __IncompleteArrayField<T> {
- fn fmt(&self, fmt: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
- fmt.write_str("__IncompleteArrayField")
- }
-}
-
-impl<T> ::std::clone::Clone for __IncompleteArrayField<T> {
- #[inline]
- fn clone(&self) -> Self {
- Self::new()
- }
-}
-
-impl<T> ::std::marker::Copy for __IncompleteArrayField<T> {}
-
-#[repr(C)]
-#[derive(Debug, Default, Copy, Clone)]
-pub struct vhost_vring_state {
- pub index: raw::c_uint,
- pub num: raw::c_uint,
-}
-
-#[repr(C)]
-#[derive(Debug, Default, Copy, Clone)]
-pub struct vhost_vring_file {
- pub index: raw::c_uint,
- pub fd: raw::c_int,
-}
-
-#[repr(C)]
-#[derive(Debug, Default, Copy, Clone)]
-pub struct vhost_vring_addr {
- pub index: raw::c_uint,
- pub flags: raw::c_uint,
- pub desc_user_addr: raw::c_ulonglong,
- pub used_user_addr: raw::c_ulonglong,
- pub avail_user_addr: raw::c_ulonglong,
- pub log_guest_addr: raw::c_ulonglong,
-}
-
-#[repr(C)]
-#[derive(Debug, Default, Copy, Clone)]
-pub struct vhost_iotlb_msg {
- pub iova: raw::c_ulonglong,
- pub size: raw::c_ulonglong,
- pub uaddr: raw::c_ulonglong,
- pub perm: raw::c_uchar,
- pub type_: raw::c_uchar,
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct vhost_msg {
- pub type_: raw::c_int,
- pub __bindgen_anon_1: vhost_msg__bindgen_ty_1,
-}
-
-impl Default for vhost_msg {
- fn default() -> Self {
- unsafe { ::std::mem::zeroed() }
- }
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub union vhost_msg__bindgen_ty_1 {
- pub iotlb: vhost_iotlb_msg,
- pub padding: [raw::c_uchar; 64usize],
- _bindgen_union_align: [u64; 8usize],
-}
-
-impl Default for vhost_msg__bindgen_ty_1 {
- fn default() -> Self {
- unsafe { ::std::mem::zeroed() }
- }
-}
-
-#[repr(C)]
-#[derive(Debug, Default, Copy, Clone)]
-pub struct vhost_memory_region {
- pub guest_phys_addr: raw::c_ulonglong,
- pub memory_size: raw::c_ulonglong,
- pub userspace_addr: raw::c_ulonglong,
- pub flags_padding: raw::c_ulonglong,
-}
-
-#[repr(C)]
-#[derive(Debug, Default, Clone)]
-pub struct vhost_memory {
- pub nregions: raw::c_uint,
- pub padding: raw::c_uint,
- pub regions: __IncompleteArrayField<vhost_memory_region>,
- __force_alignment: [u64; 0],
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub struct vhost_scsi_target {
- pub abi_version: raw::c_int,
- pub vhost_wwpn: [raw::c_char; 224usize],
- pub vhost_tpgt: raw::c_ushort,
- pub reserved: raw::c_ushort,
-}
-
-impl Default for vhost_scsi_target {
- fn default() -> Self {
- unsafe { ::std::mem::zeroed() }
- }
-}
-
-/// Helper to support vhost::set_mem_table()
-pub struct VhostMemory {
- buf: Vec<vhost_memory>,
-}
-
-impl VhostMemory {
- // Limit number of regions to u16 to simplify error handling
- pub fn new(entries: u16) -> Self {
- let size = std::mem::size_of::<vhost_memory_region>() * entries as usize;
- let count = (size + 2 * std::mem::size_of::<vhost_memory>() - 1)
- / std::mem::size_of::<vhost_memory>();
- let mut buf: Vec<vhost_memory> = vec![Default::default(); count];
- buf[0].nregions = u32::from(entries);
- VhostMemory { buf }
- }
-
- pub fn as_ptr(&self) -> *const char {
- &self.buf[0] as *const vhost_memory as *const char
- }
-
- pub fn get_header(&self) -> &vhost_memory {
- &self.buf[0]
- }
-
- pub fn get_region(&self, index: u32) -> Option<&vhost_memory_region> {
- if index >= self.buf[0].nregions {
- return None;
- }
- // Safe because we have allocated enough space nregions
- let regions = unsafe { self.buf[0].regions.as_slice(self.buf[0].nregions as usize) };
- Some(&regions[index as usize])
- }
-
- pub fn set_region(&mut self, index: u32, region: &vhost_memory_region) -> Result<()> {
- if index >= self.buf[0].nregions {
- return Err(Error::InvalidGuestMemory);
- }
- // Safe because we have allocated enough space nregions and checked the index.
- let regions = unsafe { self.buf[0].regions.as_mut_slice(index as usize + 1) };
- regions[index as usize] = *region;
- Ok(())
- }
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- #[test]
- fn bindgen_test_layout_vhost_vring_state() {
- assert_eq!(
- ::std::mem::size_of::<vhost_vring_state>(),
- 8usize,
- concat!("Size of: ", stringify!(vhost_vring_state))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_vring_state>(),
- 4usize,
- concat!("Alignment of ", stringify!(vhost_vring_state))
- );
- }
-
- #[test]
- fn bindgen_test_layout_vhost_vring_file() {
- assert_eq!(
- ::std::mem::size_of::<vhost_vring_file>(),
- 8usize,
- concat!("Size of: ", stringify!(vhost_vring_file))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_vring_file>(),
- 4usize,
- concat!("Alignment of ", stringify!(vhost_vring_file))
- );
- }
-
- #[test]
- fn bindgen_test_layout_vhost_vring_addr() {
- assert_eq!(
- ::std::mem::size_of::<vhost_vring_addr>(),
- 40usize,
- concat!("Size of: ", stringify!(vhost_vring_addr))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_vring_addr>(),
- 8usize,
- concat!("Alignment of ", stringify!(vhost_vring_addr))
- );
- }
-
- #[test]
- fn bindgen_test_layout_vhost_msg__bindgen_ty_1() {
- assert_eq!(
- ::std::mem::size_of::<vhost_msg__bindgen_ty_1>(),
- 64usize,
- concat!("Size of: ", stringify!(vhost_msg__bindgen_ty_1))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_msg__bindgen_ty_1>(),
- 8usize,
- concat!("Alignment of ", stringify!(vhost_msg__bindgen_ty_1))
- );
- }
-
- #[test]
- fn bindgen_test_layout_vhost_msg() {
- assert_eq!(
- ::std::mem::size_of::<vhost_msg>(),
- 72usize,
- concat!("Size of: ", stringify!(vhost_msg))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_msg>(),
- 8usize,
- concat!("Alignment of ", stringify!(vhost_msg))
- );
- }
-
- #[test]
- fn bindgen_test_layout_vhost_memory_region() {
- assert_eq!(
- ::std::mem::size_of::<vhost_memory_region>(),
- 32usize,
- concat!("Size of: ", stringify!(vhost_memory_region))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_memory_region>(),
- 8usize,
- concat!("Alignment of ", stringify!(vhost_memory_region))
- );
- }
-
- #[test]
- fn bindgen_test_layout_vhost_memory() {
- assert_eq!(
- ::std::mem::size_of::<vhost_memory>(),
- 8usize,
- concat!("Size of: ", stringify!(vhost_memory))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_memory>(),
- 8usize,
- concat!("Alignment of ", stringify!(vhost_memory))
- );
- }
-
- #[test]
- fn bindgen_test_layout_vhost_iotlb_msg() {
- assert_eq!(
- ::std::mem::size_of::<vhost_iotlb_msg>(),
- 32usize,
- concat!("Size of: ", stringify!(vhost_iotlb_msg))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_iotlb_msg>(),
- 8usize,
- concat!("Alignment of ", stringify!(vhost_iotlb_msg))
- );
- }
-
- #[test]
- fn bindgen_test_layout_vhost_scsi_target() {
- assert_eq!(
- ::std::mem::size_of::<vhost_scsi_target>(),
- 232usize,
- concat!("Size of: ", stringify!(vhost_scsi_target))
- );
- assert_eq!(
- ::std::mem::align_of::<vhost_scsi_target>(),
- 4usize,
- concat!("Alignment of ", stringify!(vhost_scsi_target))
- );
- }
-
- #[test]
- fn test_vhostmemory() {
- let mut obj = VhostMemory::new(2);
- let region = vhost_memory_region {
- guest_phys_addr: 0x1000u64,
- memory_size: 0x2000u64,
- userspace_addr: 0x300000u64,
- flags_padding: 0u64,
- };
- assert!(obj.get_region(2).is_none());
-
- {
- let header = obj.get_header();
- assert_eq!(header.nregions, 2u32);
- }
- {
- assert!(obj.set_region(0, &region).is_ok());
- assert!(obj.set_region(1, &region).is_ok());
- assert!(obj.set_region(2, &region).is_err());
- }
-
- let region1 = obj.get_region(1).unwrap();
- assert_eq!(region1.guest_phys_addr, 0x1000u64);
- assert_eq!(region1.memory_size, 0x2000u64);
- assert_eq!(region1.userspace_addr, 0x300000u64);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-24 23:16:49 +0000