blob: 68e24460cb4bc5519df91ec7cda842c6ad522a0a [file] [log] [blame]
// 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.
// TODO(fxb/39732): This should be read as "library zx".
library zz;
// TODO(scottmg): Apply rights spec from WaitMany on |items| to |handle| here,
// somehow.
struct WaitItem {
handle handle;
signals waitfor;
signals pending;
};
[Transport = "Syscall"]
protocol object {
/// Wait for signals on an object.
/// Rights: handle must have ZX_RIGHT_WAIT.
[blocking]
object_wait_one(handle handle, signals signals, time deadline)
-> (status status, optional_signals observed);
/// Wait for signals on multiple objects.
/// Rights: Every entry of items must have a handle field with ZX_RIGHT_WAIT.
[blocking]
object_wait_many(mutable_vector_WaitItem items, time deadline) -> (status status);
/// Subscribe for signals on an object.
/// Rights: handle must have ZX_RIGHT_WAIT.
/// Rights: port must be of type ZX_OBJ_TYPE_PORT and have ZX_RIGHT_WRITE.
object_wait_async(handle handle, handle<port> port, uint64 key, signals signals, uint32 options)
-> (status status);
/// Signal an object.
/// Rights: handle must have ZX_RIGHT_SIGNAL.
object_signal(handle handle, uint32 clear_mask, uint32 set_mask) -> (status status);
/// Signal an object's peer.
/// Rights: handle must have ZX_RIGHT_SIGNAL_PEER.
object_signal_peer(handle handle, uint32 clear_mask, uint32 set_mask) -> (status status);
/// Ask for various properties of various kernel objects.
/// Rights: handle must have ZX_RIGHT_GET_PROPERTY.
/// Rights: If property is ZX_PROP_PROCESS_DEBUG_ADDR, handle must be of type ZX_OBJ_TYPE_PROCESS.
/// Rights: If property is ZX_PROP_PROCESS_BREAK_ON_LOAD, handle must be of type ZX_OBJ_TYPE_PROCESS.
/// Rights: If property is ZX_PROP_PROCESS_VDSO_BASE_ADDRESS, handle must be of type ZX_OBJ_TYPE_PROCESS.
/// Rights: If property is ZX_PROP_SOCKET_RX_THRESHOLD, handle must be of type ZX_OBJ_TYPE_SOCKET.
/// Rights: If property is ZX_PROP_SOCKET_TX_THRESHOLD, handle must be of type ZX_OBJ_TYPE_SOCKET.
object_get_property(handle handle, uint32 property) -> (status status, vector_void value);
/// Set various properties of various kernel objects.
/// Rights: handle must have ZX_RIGHT_SET_PROPERTY.
/// Rights: If property is ZX_PROP_PROCESS_DEBUG_ADDR, handle must be of type ZX_OBJ_TYPE_PROCESS.
/// Rights: If property is ZX_PROP_PROCESS_BREAK_ON_LOAD, handle must be of type ZX_OBJ_TYPE_PROCESS.
/// Rights: If property is ZX_PROP_SOCKET_RX_THRESHOLD, handle must be of type ZX_OBJ_TYPE_SOCKET.
/// Rights: If property is ZX_PROP_SOCKET_TX_THRESHOLD, handle must be of type ZX_OBJ_TYPE_SOCKET.
/// Rights: If property is ZX_PROP_JOB_KILL_ON_OOM, handle must be of type ZX_OBJ_TYPE_JOB.
object_set_property(handle handle, uint32 property, vector_void value) -> (status status);
/// Query information about an object.
/// Rights: If topic is ZX_INFO_PROCESS, handle must be of type ZX_OBJ_TYPE_PROCESS and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_JOB, handle must be of type ZX_OBJ_TYPE_JOB and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_PROCESS_THREADS, handle must be of type ZX_OBJ_TYPE_PROCESS and have ZX_RIGHT_ENUMERATE.
/// Rights: If topic is ZX_INFO_JOB_CHILDREN, handle must be of type ZX_OBJ_TYPE_JOB and have ZX_RIGHT_ENUMERATE.
/// Rights: If topic is ZX_INFO_JOB_PROCESSES, handle must be of type ZX_OBJ_TYPE_JOB and have ZX_RIGHT_ENUMERATE.
/// Rights: If topic is ZX_INFO_THREAD, handle must be of type ZX_OBJ_TYPE_THREAD and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_THREAD_EXCEPTION_REPORT, handle must be of type ZX_OBJ_TYPE_THREAD and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_THREAD_STATS, handle must be of type ZX_OBJ_TYPE_THREAD and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_TASK_STATS, handle must be of type ZX_OBJ_TYPE_PROCESS and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_PROCESS_MAPS, handle must be of type ZX_OBJ_TYPE_PROCESS and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_PROCESS_VMOS, handle must be of type ZX_OBJ_TYPE_PROCESS and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_VMO, handle must be of type ZX_OBJ_TYPE_VMO.
/// TODO(ZX-2967), Should this require INSPECT?
/// Rights: If topic is ZX_INFO_VMAR, handle must be of type ZX_OBJ_TYPE_VMAR and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_CPU_STATS, handle must have resource kind ZX_RSRC_KIND_ROOT.
/// Rights: If topic is ZX_INFO_KMEM_STATS, handle must have resource kind ZX_RSRC_KIND_ROOT.
/// Rights: If topic is ZX_INFO_RESOURCE, handle must be of type ZX_OBJ_TYPE_RESOURCE and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_HANDLE_COUNT, handle must have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_BTI, handle must be of type ZX_OBJ_TYPE_BTI and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_PROCESS_HANDLE_STATS, handle must be of type ZX_OBJ_TYPE_PROCESS and have ZX_RIGHT_INSPECT.
/// Rights: If topic is ZX_INFO_SOCKET, handle must be of type ZX_OBJ_TYPE_SOCKET and have ZX_RIGHT_INSPECT.
object_get_info(handle handle, uint32 topic)
-> (status status, vector_void buffer, optional_usize actual, optional_usize avail);
/// Given a kernel object with children objects, obtain a handle to the child specified by the
/// provided kernel object id. Rights: handle must have ZX_RIGHT_ENUMERATE.
object_get_child(handle handle, uint64 koid, rights rights) -> (status status, handle out);
/// Apply a scheduling profile to a thread.
/// Rights: handle must be of type ZX_OBJ_TYPE_THREAD and have ZX_RIGHT_MANAGE_THREAD.
/// Rights: profile must be of type ZX_OBJ_TYPE_PROFILE and have ZX_RIGHT_APPLY_PROFILE.
object_set_profile(handle<thread> handle, handle<profile> profile, uint32 options)
-> (status status);
};