| // Copyright 2016 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. |
| |
| #pragma once |
| |
| #include <fbl/ref_ptr.h> |
| #include <lib/async/dispatcher.h> |
| #include <lib/zx/channel.h> |
| #include <zircon/types.h> |
| |
| namespace devmgr { |
| |
| struct Device; |
| struct Devnode; |
| |
| // Initializes a devfs directory from |device|. |
| void devfs_init(const fbl::RefPtr<Device>& device, async_dispatcher_t* dispatcher); |
| |
| // Watches the devfs directory |dn|, and sends events to |watcher|. |
| zx_status_t devfs_watch(Devnode* dn, zx::channel h, uint32_t mask); |
| |
| // Borrows the channel connected to the root of devfs. |
| zx::unowned_channel devfs_root_borrow(); |
| |
| // Clones the channel connected to the root of devfs. |
| zx::channel devfs_root_clone(); |
| |
| zx_status_t devfs_publish(const fbl::RefPtr<Device>& parent, const fbl::RefPtr<Device>& dev); |
| void devfs_unpublish(Device* dev); |
| void devfs_advertise(const fbl::RefPtr<Device>& dev); |
| void devfs_advertise_modified(const fbl::RefPtr<Device>& dev); |
| zx_status_t devfs_connect(const Device* dev, zx::channel client_remote); |
| |
| // This method is exposed for testing. It walks the devfs from the given node, |
| // traversing the given sub-path. |
| // If ZX_OK is returned, then *device_out refers to the device at the given path |
| // relative to the devnode. |
| zx_status_t devfs_walk(Devnode* dn, const char* path, fbl::RefPtr<Device>* device_out); |
| |
| } // namespace devmgr |
