/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2021-2022 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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* Concrete implementation of mali_kbase_hwcnt_backend interface for job manager
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* backend. This module functionally interleaves between the hardware counter
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* (hwcnt_accumulator) module (the interface consumer) and the job manager
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* backend module (hwcnt_backend_jm). This module provides buffering
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* functionality for the dumping requests requested by the hwcnt_accumulator
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* consumer. This module is NOT multi-thread safe. The programmer must
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* ensure the exposed methods are called by at most one thread at any time.
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*/
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#ifndef _KBASE_HWCNT_BACKEND_JM_WATCHDOG_H_
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#define _KBASE_HWCNT_BACKEND_JM_WATCHDOG_H_
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#include <hwcnt/backend/mali_kbase_hwcnt_backend.h>
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#include <hwcnt/mali_kbase_hwcnt_watchdog_if.h>
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/**
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* kbase_hwcnt_backend_jm_watchdog_create() - Create a job manager hardware counter watchdog
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* backend interface.
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* @backend_iface: Non-NULL pointer to the backend interface structure that this module will
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* extend.
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* @watchdog_iface: Non-NULL pointer to an hardware counter watchdog interface.
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* @out_iface: Non-NULL pointer to backend interface structure that is filled in
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* on creation success.
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*
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* Calls to out_iface->dump_enable_nolock() require kbdev->hwaccess_lock held.
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*
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* Return: 0 on success, error otherwise.
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*/
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int kbase_hwcnt_backend_jm_watchdog_create(struct kbase_hwcnt_backend_interface *backend_iface,
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struct kbase_hwcnt_watchdog_interface *watchdog_iface,
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struct kbase_hwcnt_backend_interface *out_iface);
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/**
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* kbase_hwcnt_backend_jm_watchdog_destroy() - Destroy a job manager hardware counter watchdog
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* backend interface.
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* @iface: Pointer to interface to destroy.
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*
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* Can be safely called on an all-zeroed interface, or on an already destroyed
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* interface.
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*/
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void kbase_hwcnt_backend_jm_watchdog_destroy(struct kbase_hwcnt_backend_interface *iface);
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#endif /* _KBASE_HWCNT_BACKEND_JM_WATCHDOG_H_ */
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