flowey_lib_hvlite/
build_openvmm_vhost.rs

1// Copyright (c) Microsoft Corporation.
2// Licensed under the MIT License.
3
4//! Build the `openvmm_vhost` binary (vhost-user backend).
5
6use crate::common::CommonProfile;
7use crate::common::CommonTriple;
8use flowey::node::prelude::*;
9
10#[derive(Serialize, Deserialize)]
11pub struct OpenvmmVhostBuildParams {
12    pub profile: CommonProfile,
13    pub target: CommonTriple,
14}
15
16#[derive(Serialize, Deserialize)]
17pub struct OpenvmmVhostOutput {
18    pub bin: PathBuf,
19    pub dbg: PathBuf,
20}
21
22impl Artifact for OpenvmmVhostOutput {}
23
24flowey_request! {
25    pub struct Request {
26        pub params: OpenvmmVhostBuildParams,
27        pub openvmm_vhost: WriteVar<OpenvmmVhostOutput>,
28    }
29}
30
31new_flow_node!(struct Node);
32
33impl FlowNode for Node {
34    type Request = Request;
35
36    fn imports(ctx: &mut ImportCtx<'_>) {
37        ctx.import::<crate::run_cargo_build::Node>();
38    }
39
40    fn emit(requests: Vec<Self::Request>, ctx: &mut NodeCtx<'_>) -> anyhow::Result<()> {
41        for Request {
42            params: OpenvmmVhostBuildParams { profile, target },
43            openvmm_vhost: openvmm_vhost_bin,
44        } in requests
45        {
46            let output = ctx.reqv(|v| crate::run_cargo_build::Request {
47                crate_name: "openvmm_vhost".into(),
48                out_name: "openvmm_vhost".into(),
49                crate_type: flowey_lib_common::run_cargo_build::CargoCrateType::Bin,
50                profile: profile.into(),
51                features: flowey_lib_common::run_cargo_build::CargoFeatureSet::default(),
52                target: target.as_triple(),
53                no_split_dbg_info: false,
54                extra_env: None,
55                pre_build_deps: Vec::new(),
56                output: v,
57            });
58
59            ctx.emit_minor_rust_step("report built openvmm_vhost", |ctx| {
60                let openvmm_vhost_bin = openvmm_vhost_bin.claim(ctx);
61                let output = output.claim(ctx);
62                move |rt| {
63                    let output = match rt.read(output) {
64                        crate::run_cargo_build::CargoBuildOutput::ElfBin { bin, dbg } => {
65                            OpenvmmVhostOutput {
66                                bin,
67                                dbg: dbg.unwrap(),
68                            }
69                        }
70                        _ => unreachable!("openvmm_vhost is Linux-only"),
71                    };
72
73                    rt.write(openvmm_vhost_bin, &output);
74                }
75            });
76        }
77
78        Ok(())
79    }
80}
flowey_lib_hvlite/build_openvmm_vhost.rs

flowey_lib_hvlite/
build_openvmm_vhost.rs
