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