Android.bp

package {
    default_applicable_licenses: ["Android-Apache-2.0"],
}

// The Rust implementation of the C API.
rust_ffi {
    name: "libvm_payload",
    crate_name: "vm_payload",
    defaults: [
        "avf_build_flags_rust",
        "no_bti",
    ],
    srcs: ["src/lib.rs"],
    include_dirs: ["include"],
    prefer_rlib: true,
    rustlibs: [
        "android.system.virtualization.payload-rust",
        "libandroid_logger",
        "libanyhow",
        "libbinder_rs",
        "libbssl_crypto",
        "liblibc",
        "libnix",
        "liblog_rust",
        "librpcbinder_rs",
        "libvm_payload_status_bindgen",
        "libvsock",
    ],
    shared_libs: [
        "libbinder_ndk",
        "libbinder_rpc_unstable",
        "liblog",
        "libcrypto",
    ],
    no_full_install: true,
    version_script: "libvm_payload.map.txt",
    stubs: {
        symbol_file: "libvm_payload.map.txt",
        // Implementation is available inside a Microdroid VM.
        implementation_installable: false,
    },
    visibility: ["//visibility:public"],
}

rust_bindgen {
    name: "libvm_payload_status_bindgen",
    wrapper_src: "include/vm_payload.h",
    crate_name: "vm_payload_status_bindgen",
    defaults: ["avf_build_flags_rust"],
    source_stem: "bindings",
    bindgen_flags: [
        "--default-enum-style rust",
        "--allowlist-type=AVmAttestationStatus",
        "--allowlist-type=AVmAccessRollbackProtectedSecretStatus",
        "--allowlist-type=AVmMountEncryptedAssetsStatus",
    ],
    visibility: [":__subpackages__"],
}

// Access to the C API for Rust code.
// This shouldn't be used directly - prefer libvm_payload_rs (below)
rust_bindgen {
    name: "libvm_payload_bindgen",
    wrapper_src: "include-restricted/vm_payload_restricted.h",
    crate_name: "vm_payload_bindgen",
    defaults: ["avf_build_flags_rust"],
    source_stem: "bindings",
    apex_available: ["com.android.compos"],
    bindgen_flags: [
        "--default-enum-style rust",
    ],
    shared_libs: [
        "libvm_payload#current",
    ],
}

// Wrapper library for the raw C API for use by Rust clients.
// (Yes, this involves going Rust -> C -> Rust.)
// This is not a stable API - we may change it in subsequent versions.
// But it is made available as an rlib so it is linked into any
// code using it, leaving only dependencies on stable APIs.
// So code built with it should run unchanged on future versions.
rust_library_rlib {
    name: "libvm_payload_rs",
    crate_name: "vm_payload",
    defaults: ["avf_build_flags_rust"],
    srcs: ["wrapper/lib.rs"],
    rustlibs: [
        "libbinder_rs",
        "libstatic_assertions",
        "libvm_payload_bindgen",
    ],
    apex_available: [
        "//apex_available:platform",
        "com.android.compos",
    ],
    visibility: ["//visibility:public"],
}

// Just the headers. Mostly useful for clients that only want the
// declaration of AVmPayload_main().
cc_library_headers {
    name: "vm_payload_headers",
    defaults: ["avf_build_flags_cc"],
    apex_available: ["//apex_available:anyapex"],
    export_include_dirs: ["include"],
    visibility: ["//visibility:public"],

    // Set to 33 for appsearch, but can be arbitrary low since symbols
    // are guarded by __INTRODUCED_IN. Comment requested by ioffe@.
    // Library introduced at SDK 34, so no symbols are actually usable
    // at 33.
    min_sdk_version: "33",
}

// Restricted headers for use by internal clients & associated tests.
cc_library_headers {
    name: "vm_payload_restricted_headers",
    defaults: ["avf_build_flags_cc"],
    header_libs: ["vm_payload_headers"],
    export_header_lib_headers: ["vm_payload_headers"],
    export_include_dirs: ["include-restricted"],
    apex_available: ["com.android.compos"],
    visibility: ["//packages/modules/Virtualization:__subpackages__"],
}