| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * |
| * (C) COPYRIGHT 2021 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 <mali_kbase_hwcnt_backend.h> |
| #include <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_ */ |