mirror of
https://github.com/FeralInteractive/gamemode.git
synced 2025-09-17 09:39:55 +02:00
f0a569a519
Support setting the X3D V-Cache Mode Adds support for adjusting the AMD X3D V-Cache mode(https://www.phoronix.com/news/AMD-3DV-Cache-Optimizer-Linux) for systems with the latest optimizer driver support using `amd_x3d_mode` in the Linux driver for dual-CCD systems. This allows GameMode to adjust the system's preference for which CCD to schedule tasks on, opening opportunities for optimizing a system in new ways. For example, if a system is normally in `cache` mode to optimize for cache-sensitive tasks, this setting can be used to shift those to the `frequency` CCD temporarily while GameMode is running a game process pinned on the cache CCD, and then switch it back afterwards. Changes: - Adds two new config items, `amd_x3d_mode_desired` and `amd_x3d_mode_default` that can be set to either `frequency` or `cache`. - Adds a new utility, `x3dmodectl` for getting or updating the X3D mode. - Includes the new utility in the test command.
139 lines
5.2 KiB
C
139 lines
5.2 KiB
C
/*
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Copyright (c) 2017-2025, Feral Interactive and the GameMode contributors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Feral Interactive nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <stdbool.h>
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/*
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* Maximum sizes values in a config list
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* In practice inih has a INI_MAX_LINE value of 200 so the length is just a safeguard
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*/
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#define CONFIG_LIST_MAX 32
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#define CONFIG_VALUE_MAX 256
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/*
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* Special ioprio values
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*/
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#define IOPRIO_RESET_DEFAULT -1
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#define IOPRIO_DONT_SET -2
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#define IOPRIO_DEFAULT 4
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/*
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* Opaque config context type
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*/
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typedef struct GameModeConfig GameModeConfig;
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/*
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* Initialise a config
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*/
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GameModeConfig *config_create(void);
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/*
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* Initialise a config
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* Must be called before using any config later config functions
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*/
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void config_init(GameModeConfig *self);
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/*
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* Reload a config from disk
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* Thread safe to call
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*/
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void config_reload(GameModeConfig *self);
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/*
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* Check if the config has changed and will need a reload
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*/
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bool config_needs_reload(GameModeConfig *self);
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/*
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* Destroy a config
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* Invalidates the config
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*/
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void config_destroy(GameModeConfig *self);
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/*
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* Get if the client is in the whitelist or blacklist
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* config_get_client_whitelisted returns false for an empty whitelist
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*/
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bool config_get_client_whitelisted(GameModeConfig *self, const char *client);
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bool config_get_client_blacklisted(GameModeConfig *self, const char *client);
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/*
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* Get the script sets to run at the start or end
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*/
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void config_get_gamemode_start_scripts(GameModeConfig *self,
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char scripts[CONFIG_LIST_MAX][CONFIG_VALUE_MAX]);
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void config_get_gamemode_end_scripts(GameModeConfig *self,
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char scripts[CONFIG_LIST_MAX][CONFIG_VALUE_MAX]);
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/*
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* Various get methods for config values
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*/
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long config_get_reaper_frequency(GameModeConfig *self);
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bool config_get_inhibit_screensaver(GameModeConfig *self);
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long config_get_script_timeout(GameModeConfig *self);
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void config_get_default_governor(GameModeConfig *self, char governor[CONFIG_VALUE_MAX]);
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void config_get_desired_governor(GameModeConfig *self, char governor[CONFIG_VALUE_MAX]);
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void config_get_default_profile(GameModeConfig *self, char profile[CONFIG_VALUE_MAX]);
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void config_get_desired_profile(GameModeConfig *self, char profile[CONFIG_VALUE_MAX]);
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void config_get_igpu_desired_governor(GameModeConfig *self, char governor[CONFIG_VALUE_MAX]);
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float config_get_igpu_power_threshold(GameModeConfig *self);
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void config_get_soft_realtime(GameModeConfig *self, char softrealtime[CONFIG_VALUE_MAX]);
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long config_get_renice_value(GameModeConfig *self);
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long config_get_ioprio_value(GameModeConfig *self);
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bool config_get_disable_splitlock(GameModeConfig *self);
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/*
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* Get various config info for gpu optimisations
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*/
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void config_get_apply_gpu_optimisations(GameModeConfig *self, char value[CONFIG_VALUE_MAX]);
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long config_get_gpu_device(GameModeConfig *self);
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long config_get_nv_core_clock_mhz_offset(GameModeConfig *self);
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long config_get_nv_mem_clock_mhz_offset(GameModeConfig *self);
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long config_get_nv_powermizer_mode(GameModeConfig *self);
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long config_get_nv_per_profile_editable(GameModeConfig *self);
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void config_get_amd_performance_level(GameModeConfig *self, char value[CONFIG_VALUE_MAX]);
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/*
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* Get various config info for cpu optimisations
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*/
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void config_get_cpu_park_cores(GameModeConfig *self, char value[CONFIG_VALUE_MAX]);
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void config_get_cpu_pin_cores(GameModeConfig *self, char value[CONFIG_VALUE_MAX]);
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void config_get_amd_x3d_mode_desired(GameModeConfig *self, char value[CONFIG_VALUE_MAX]);
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void config_get_amd_x3d_mode_default(GameModeConfig *self, char value[CONFIG_VALUE_MAX]);
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/**
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* Functions to get supervisor config permissions
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*/
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long config_get_require_supervisor(GameModeConfig *self);
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bool config_get_supervisor_whitelisted(GameModeConfig *self, const char *supervisor);
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bool config_get_supervisor_blacklisted(GameModeConfig *self, const char *supervisor);
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