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// Copyright 2021 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SYSTEM_API_DBUS_RESOURCE_MANAGER_DBUS_CONSTANTS_H_
#define SYSTEM_API_DBUS_RESOURCE_MANAGER_DBUS_CONSTANTS_H_
namespace resource_manager {
const char kResourceManagerInterface[] = "org.chromium.ResourceManager";
const char kResourceManagerServicePath[] = "/org/chromium/ResourceManager";
const char kResourceManagerServiceName[] = "org.chromium.ResourceManager";
// Values.
enum GameMode {
// Game mode is off.
OFF = 0,
// Game mode is on, borealis is the foreground subsystem.
BOREALIS = 1,
};
enum PressureLevelChrome {
// There is enough memory to use.
NONE = 0,
// Chrome is advised to free buffers that are cheap to re-allocate and not
// immediately needed.
MODERATE = 1,
// Chrome is advised to free all possible memory.
CRITICAL = 2,
};
enum DiscardType {
// Only unprotected pages can be discarded.
UNPROTECTED = 0,
// Both unprotected and protected pages can be discarded.
PROTECTED = 1,
};
enum class PressureLevelArcContainer {
// There is enough memory to use.
NONE = 0,
// ARC container is advised to kill cached processes to free memory.
CACHED = 1,
// ARC container is advised to kill perceptible processes to free memory.
PERCEPTIBLE = 2,
// ARC container is advised to kill foreground processes to free memory.
FOREGROUND = 3,
};
enum class ProcessState {
// The process is normal.
kNormal = 0,
// The process is background.
kBackground = 1,
};
enum class ThreadState {
kUrgentBursty = 0,
kUrgent = 1,
kBalanced = 2,
kEco = 3,
kUtility = 4,
kBackground = 5,
kUrgentBurstyServer = 6,
kUrgentBurstyClient = 7,
};
// Methods.
const char kGetAvailableMemoryKBMethod[] = "GetAvailableMemoryKB";
const char kGetForegroundAvailableMemoryKBMethod[] =
"GetForegroundAvailableMemoryKB";
const char kGetMemoryMarginsKBMethod[] = "GetMemoryMarginsKB";
const char kGetComponentMemoryMarginsKBMethod[] = "GetComponentMemoryMarginsKB";
const char kGetGameModeMethod[] = "GetGameMode";
const char kSetGameModeMethod[] = "SetGameMode";
const char kSetGameModeWithTimeoutMethod[] = "SetGameModeWithTimeout";
const char kSetMemoryMarginsMethod[] = "SetMemoryMargins";
// TODO(vovoy): remove method SetMemoryMarginsBps.
const char kSetMemoryMarginsBps[] = "SetMemoryMarginsBps";
const char kSetFullscreenVideoWithTimeout[] = "SetFullscreenVideoWithTimeout";
const char kSetVmBootModeWithTimeoutMethod[] = "SetVmBootModeWithTimeout";
const char kReportBrowserProcessesMethod[] = "ReportBrowserProcesses";
const char kSetProcessStateMethod[] = "SetProcessState";
const char kSetThreadStateMethod[] = "SetThreadState";
// Signals.
// MemoryPressureChrome signal contains 4 arguments:
// 1. pressure_level, BYTE, see also enum PressureLevelChrome.
// 2. reclaim_target_kb, UINT64, memory amount to free in KB to leave the
// current pressure level.
// 3. Origin time, to avoid discard due to out-of-dated signals.
// 4. discard_type, BYTE, see also enum DiscardType.
// E.g., argument (PressureLevelChrome::CRITICAL, 10000, origin_time,
// DiscardType::UNPROTECTED): Chrome should free 10000 KB to leave the
// critical memory pressure level (to moderate pressure level), only
// unprotected pages can be discarded.
const char kMemoryPressureChrome[] = "MemoryPressureChrome";
// MemoryPressureArcContainer signal contains 3 arguments:
// 1. pressure_level, BYTE, see also enum PressureLevelArcContainer.
// 2. delta, UINT64, memory amount to free in KB to leave the current
// pressure level.
// 3. Origin time.
// E.g. argument (PressureLevelArcContainer::FOREGROUND, 10000, origin_time):
// ARC container should free 10000 KB to leave the foreground memory pressure
// level (to perceptible pressure level).
const char kMemoryPressureArcContainer[] = "MemoryPressureArcContainer";
} // namespace resource_manager
#endif // SYSTEM_API_DBUS_RESOURCE_MANAGER_DBUS_CONSTANTS_H_
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