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vm-virtio, virtio-devices: Split device implementation from virt queues

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Split the generic virtio code (queues and device type) from the
VirtioDevice trait, transport and device implementations.

This also simplifies the feature handling in vhost_user_backend as the
vm-virtio crate is no longer has any features.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-07-02 13:25:19 +01:00
parent 9a628edfcf
commit 2a6eb31d5b
51 changed files with 301 additions and 245 deletions
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6
qcow/src/qcow.rs
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@@ -12,7 +12,7 @@ mod vec_cache;
use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
use libc::{EINVAL, ENOSPC, ENOTSUP};
use remain::sorted;
use vm_virtio::RawFile;
use virtio_devices::RawFile;
use vmm_sys_util::{
file_traits::FileSetLen, file_traits::FileSync, seek_hole::SeekHole, write_zeroes::PunchHole,
write_zeroes::WriteZeroes,
@@ -367,7 +367,7 @@ fn max_refcount_clusters(refcount_order: u32, cluster_size: u32, num_clusters: u
///
/// ```
/// # use std::io::{Read, Seek, SeekFrom};
/// # use vm_virtio::RawFile;
/// # use virtio_devices::RawFile;
/// # use qcow::{self, QcowFile};
/// # fn test(file: std::fs::File) -> std::io::Result<()> {
/// let mut raw_img = RawFile::new(file, false);
@@ -1703,7 +1703,7 @@ mod tests {
use super::*;
use std::io::{Read, Seek, SeekFrom, Write};
use tempfile::tempfile;
use vm_virtio::RawFile;
use virtio_devices::RawFile;
fn valid_header_v3() -> Vec<u8> {
vec![

5
qcow/src/qcow_raw_file.rs
View File

@@ -2,11 +2,10 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE-BSD-3-Clause file.
use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
use std::io::{self, BufWriter, Seek, SeekFrom};
use std::mem::size_of;
use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
use vm_virtio::RawFile;
use virtio_devices::RawFile;
use vmm_sys_util::write_zeroes::WriteZeroes;
/// A qcow file. Allows reading/writing clusters and appending clusters.