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https://github.com/cloud-hypervisor/cloud-hypervisor.git
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040ea5432d
Add the BSD and Apache license. Make all crosvm references point to the BSD license. Add the right copyrights and identifier to our VMM code. Add Intel copyright to the vm-virtio and pci crates. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
61 lines
1.4 KiB
Rust
61 lines
1.4 KiB
Rust
// Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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//
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// Portions Copyright 2017 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE-BSD-3-Clause file.
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//! Emulates virtual and hardware devices.
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extern crate byteorder;
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extern crate epoll;
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extern crate libc;
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extern crate vm_memory;
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extern crate vmm_sys_util;
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use std::fs::File;
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use std::io;
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mod bus;
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pub mod legacy;
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pub use self::bus::{Bus, BusDevice, Error as BusError};
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pub type DeviceEventT = u16;
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/// The payload is used to handle events where the internal state of the VirtIO device
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/// needs to be changed.
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pub enum EpollHandlerPayload {
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/// DrivePayload(disk_image)
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DrivePayload(File),
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/// Events that do not need a payload.
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Empty,
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}
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type Result<T> = std::result::Result<T, Error>;
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pub trait EpollHandler: Send {
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fn handle_event(
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&mut self,
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device_event: DeviceEventT,
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event_flags: u32,
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payload: EpollHandlerPayload,
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) -> Result<()>;
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}
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#[derive(Debug)]
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pub enum Error {
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FailedReadingQueue {
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event_type: &'static str,
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underlying: io::Error,
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},
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FailedReadTap,
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FailedSignalingUsedQueue(io::Error),
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PayloadExpected,
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UnknownEvent {
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device: &'static str,
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event: DeviceEventT,
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},
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IoError(io::Error),
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}
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