| /* |
| * |
| * (C) COPYRIGHT 2011-2018 ARM Limited. All rights reserved. |
| * |
| * This program is free software and is provided to you under the terms of the |
| * GNU General Public License version 2 as published by the Free Software |
| * Foundation, and any use by you of this program is subject to the terms |
| * of such GNU licence. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, you can access it online at |
| * http://www.gnu.org/licenses/gpl-2.0.html. |
| * |
| * SPDX-License-Identifier: GPL-2.0 |
| * |
| */ |
| |
| /* |
| * Base kernel core availability APIs |
| */ |
| |
| #ifndef _KBASE_PM_CA_H_ |
| #define _KBASE_PM_CA_H_ |
| |
| /** |
| * kbase_pm_ca_init - Initialize core availability framework |
| * |
| * Must be called before calling any other core availability function |
| * |
| * @kbdev: The kbase device structure for the device (must be a valid pointer) |
| * |
| * Return: 0 if the core availability framework was successfully initialized, |
| * -errno otherwise |
| */ |
| int kbase_pm_ca_init(struct kbase_device *kbdev); |
| |
| /** |
| * kbase_pm_ca_term - Terminate core availability framework |
| * |
| * @kbdev: The kbase device structure for the device (must be a valid pointer) |
| */ |
| void kbase_pm_ca_term(struct kbase_device *kbdev); |
| |
| /** |
| * kbase_pm_ca_get_core_mask - Get currently available shaders core mask |
| * |
| * @kbdev: The kbase device structure for the device (must be a valid pointer) |
| * |
| * Returns a mask of the currently available shader cores. |
| * Calls into the core availability policy |
| * |
| * Return: The bit mask of available cores |
| */ |
| u64 kbase_pm_ca_get_core_mask(struct kbase_device *kbdev); |
| |
| /** |
| * kbase_pm_ca_update_core_status - Update core status |
| * |
| * @kbdev: The kbase device structure for the device (must be |
| * a valid pointer) |
| * @cores_ready: The bit mask of cores ready for job submission |
| * @cores_transitioning: The bit mask of cores that are transitioning power |
| * state |
| * |
| * Update core availability policy with current core power status |
| * |
| * Calls into the core availability policy |
| */ |
| void kbase_pm_ca_update_core_status(struct kbase_device *kbdev, u64 cores_ready, |
| u64 cores_transitioning); |
| |
| /** |
| * kbase_pm_ca_get_instr_core_mask - Get the PM state sync-ed shaders core mask |
| * |
| * @kbdev: The kbase device structure for the device (must be a valid pointer) |
| * |
| * Returns a mask of the PM state synchronised shader cores for arranging |
| * HW performance counter dumps |
| * |
| * Return: The bit mask of PM state synchronised cores |
| */ |
| u64 kbase_pm_ca_get_instr_core_mask(struct kbase_device *kbdev); |
| |
| #endif /* _KBASE_PM_CA_H_ */ |