mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
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46 lines
1.3 KiB
Rust
46 lines
1.3 KiB
Rust
// Copyright 2019 Red Hat, Inc. All Rights Reserved.
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//
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// Portions Copyright 2019 Intel Corporation. All Rights Reserved.
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//
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// Portions Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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//
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// Portions Copyright 2017 The Chromium OS Authors. All rights reserved.
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//
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// SPDX-License-Identifier: (Apache-2.0 AND BSD-3-Clause)
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extern crate vhost_user_block;
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use argh::FromArgs;
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use vhost_user_block::start_block_backend;
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#[derive(FromArgs)]
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/// Launch a vhost-user-blk backend.
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struct TopLevel {
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#[argh(option, long = "block-backend")]
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/// vhost-user-block backend parameters
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/// path=<image_path>,socket=<socket_path>,num_queues=<number_of_queues>,queue_size=<size_of_each_queue>,readonly=true|false,direct=true|false,poll_queue=true|false
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backend_command: Option<String>,
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#[argh(switch, short = 'V', long = "version")]
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/// print version information
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version: bool,
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}
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fn main() {
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env_logger::init();
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let toplevel: TopLevel = argh::from_env();
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if toplevel.version {
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println!("{} {}", env!("CARGO_BIN_NAME"), env!("BUILD_VERSION"));
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return;
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}
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if toplevel.backend_command.is_none() {
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println!("Please specify --block-backend");
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std::process::exit(1)
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}
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start_block_backend(&toplevel.backend_command.unwrap());
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}
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