mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
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99da1dff90
Adding the num_queues parameter for vhost-user-blk backend, which can enable MQ support in the backend. This patch has enabled the MQ support from handle_event, and the vhost-user-backend crate will enable multiple threads to call this handle_event to handle read/write operations. Signed-off-by: Yang Zhong <yang.zhong@intel.com>
39 lines
1.2 KiB
Rust
39 lines
1.2 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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#[macro_use(crate_version, crate_authors)]
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extern crate clap;
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extern crate vhost_user_block;
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use clap::{App, Arg};
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use vhost_user_block::start_block_backend;
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fn main() {
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let cmd_arguments = App::new("vhost-user-blk backend")
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.version(crate_version!())
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.author(crate_authors!())
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.about("Launch a vhost-user-blk backend.")
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.arg(
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Arg::with_name("block-backend")
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.long("block-backend")
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.help(
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"vhost-user-block backend parameters \"image=<image_path>,\
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sock=<socket_path>,num_queues=<number_of_queues>,\
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readonly=true|false,direct=true|false\"",
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)
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.takes_value(true)
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.min_values(1),
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)
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.get_matches();
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let backend_command = cmd_arguments.value_of("block-backend").unwrap();
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start_block_backend(backend_command);
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}
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