src/devices/bin/devfs/meta/devfs-base.shard.cml

// Copyright 2022 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
{
    include: [
        "inspect/client.shard.cml",
        "syslog/client.shard.cml",
    ],

    // Information about the program to run.
    program: {
        lifecycle: { stop_event: "notify" },
    },
    capabilities: [
        {
            directory: "dev-topological",

            // TODO(https://fxbug.dev/42068900): change this to r* when that
            // doesn't prevent the use of /dev/null.
            //
            // TODO(https://fxbug.dev/42157659): Expose this without the READ_BYTES
            // right when the world speaks io2.
            rights: [ "rw*" ],
            path: "/dev",
        },
        {
            directory: "dev-class",

            // TODO(https://fxbug.dev/42157659): Expose this without the READ_BYTES
            // right when the world speaks io2.
            rights: [ "r*" ],
            path: "/dev/class",
        },
        {
            directory: "dev-builtin",
            rights: [ "rw*" ],
            path: "/dev/builtin",
        },
    ],
    use: [
        { protocol: "fuchsia.device.fs.lifecycle.Lifecycle" },
        {
            directory: "dev",
            rights: [ "rw*" ],
            path: "/dev",
        },

        // These services are not actually used but exist to increase the lifetime
        // of components. The capabilities are named after their place in the topology.
        // We cannot use a single service due to the lack of service merging.
        {
            service: [
                "bootstrap.base-drivers",
                "bootstrap.boot-drivers",
                "bootstrap.full-drivers",
            ],
            availability: "optional",
        },
        { service: "bootstrap.driver-hosts" },
    ],
    expose: [
        {
            directory: [
                "dev-builtin",
                "dev-class",
                "dev-topological",
            ],
            from: "self",
        },
    ],
}