| // Copyright 2019 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. |
| |
| #ifndef SRC_DEVICES_BIN_DRIVER_HOST_PROXY_IOSTATE_H_ |
| #define SRC_DEVICES_BIN_DRIVER_HOST_PROXY_IOSTATE_H_ |
| |
| #include <lib/async/cpp/wait.h> |
| #include <lib/zircon-internal/thread_annotations.h> |
| #include <lib/zx/channel.h> |
| |
| #include <memory> |
| |
| #include <fbl/ref_ptr.h> |
| |
| #include "async_loop_owned_rpc_handler.h" |
| |
| struct zx_device; |
| |
| struct ProxyIostate : AsyncLoopOwnedRpcHandler<ProxyIostate> { |
| explicit ProxyIostate(fbl::RefPtr<zx_device> device) : dev(std::move(device)) {} |
| ~ProxyIostate(); |
| |
| // Creates a ProxyIostate and points |dev| at it. The ProxyIostate is owned |
| // by the async loop, and its destruction may be requested by calling |
| // Cancel(). |
| static zx_status_t Create(const fbl::RefPtr<zx_device>& dev, zx::channel rpc, |
| async_dispatcher_t* dispatcher); |
| |
| // Request the destruction of the proxy connection |
| // The device for which ProxyIostate is currently attached to should have |
| // its proxy_ios_lock held across CancelLocked(). |
| // We must disable thread safety analysis because the lock is in |this->dev|, |
| // and Clang cannot reason about the aliasing involved. |
| void CancelLocked(async_dispatcher_t* dispatcher) TA_NO_THREAD_SAFETY_ANALYSIS; |
| |
| static void HandleRpc(std::unique_ptr<ProxyIostate> conn, async_dispatcher_t* dispatcher, |
| async::WaitBase* wait, zx_status_t status, |
| const zx_packet_signal_t* signal); |
| |
| const fbl::RefPtr<zx_device> dev; |
| }; |
| |
| namespace internal { |
| void proxy_ios_destroy(const fbl::RefPtr<zx_device>& dev); |
| } |
| |
| #endif // SRC_DEVICES_BIN_DRIVER_HOST_PROXY_IOSTATE_H_ |