/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2011-2018, 2020-2021 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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/*
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* Base kernel core availability APIs
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*/
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#ifndef _KBASE_PM_CA_H_
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#define _KBASE_PM_CA_H_
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/**
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* kbase_pm_ca_init - Initialize core availability framework
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*
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* @kbdev: The kbase device structure for the device (must be a valid pointer)
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*
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* Must be called before calling any other core availability function
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*
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* Return: 0 if the core availability framework was successfully initialized,
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* -errno otherwise
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*/
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int kbase_pm_ca_init(struct kbase_device *kbdev);
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/**
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* kbase_pm_ca_term - Terminate core availability framework
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*
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* @kbdev: The kbase device structure for the device (must be a valid pointer)
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*/
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void kbase_pm_ca_term(struct kbase_device *kbdev);
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/**
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* kbase_pm_ca_get_core_mask - Get currently available shaders core mask
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*
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* @kbdev: The kbase device structure for the device (must be a valid pointer)
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*
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* Returns a mask of the currently available shader cores.
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* Calls into the core availability policy
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*
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* Return: The bit mask of available cores
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*/
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u64 kbase_pm_ca_get_core_mask(struct kbase_device *kbdev);
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/**
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* kbase_pm_ca_update_core_status - Update core status
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*
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* @kbdev: The kbase device structure for the device (must be
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* a valid pointer)
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* @cores_ready: The bit mask of cores ready for job submission
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* @cores_transitioning: The bit mask of cores that are transitioning power
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* state
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*
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* Update core availability policy with current core power status
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*
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* Calls into the core availability policy
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*/
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void kbase_pm_ca_update_core_status(struct kbase_device *kbdev, u64 cores_ready,
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u64 cores_transitioning);
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/**
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* kbase_pm_ca_get_instr_core_mask - Get the PM state sync-ed shaders core mask
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*
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* @kbdev: The kbase device structure for the device (must be a valid pointer)
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*
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* Returns a mask of the PM state synchronised shader cores for arranging
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* HW performance counter dumps
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*
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* Return: The bit mask of PM state synchronised cores
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*/
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u64 kbase_pm_ca_get_instr_core_mask(struct kbase_device *kbdev);
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#endif /* _KBASE_PM_CA_H_ */
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