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vhost_user_block, virtio-devices, block_util: Extract common block code

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Extract the code that is used by vhost_user_block from the
virtio-devices crate to remove the dependencies on unrequired
functionality such as the virtio transports.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-07-14 10:43:33 +01:00
parent ce79482ec4
commit 9c867edc35
9 changed files with 417 additions and 342 deletions
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5
vhost_user_block/src/lib.rs
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@@ -8,11 +8,12 @@
//
// SPDX-License-Identifier: (Apache-2.0 AND BSD-3-Clause)
extern crate block_util;
extern crate log;
extern crate vhost_rs;
extern crate vhost_user_backend;
extern crate virtio_devices;
use block_util::{build_disk_image_id, Request, VirtioBlockConfig};
use libc::EFD_NONBLOCK;
use log::*;
use option_parser::{OptionParser, OptionParserError, Toggle};
@@ -37,8 +38,6 @@ use vhost_rs::vhost_user::Listener;
use vhost_user_backend::{VhostUserBackend, VhostUserDaemon, Vring};
use virtio_bindings::bindings::virtio_blk::*;
use virtio_bindings::bindings::virtio_ring::VIRTIO_RING_F_EVENT_IDX;
use virtio_devices::block::{build_disk_image_id, Request};
use virtio_devices::VirtioBlockConfig;
use vm_memory::ByteValued;
use vm_memory::{Bytes, GuestMemoryMmap};
use vmm_sys_util::eventfd::EventFd;