bifrost/r20p0/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_mmu_hw_direct.h

/*
 *
 * (C) COPYRIGHT 2014-2015, 2019 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
 *
 */

/*
 * Interface file for the direct implementation for MMU hardware access
 *
 * Direct MMU hardware interface
 *
 * This module provides the interface(s) that are required by the direct
 * register access implementation of the MMU hardware interface
 */

#ifndef _KBASE_MMU_HW_DIRECT_H_
#define _KBASE_MMU_HW_DIRECT_H_

#include <mali_kbase_defs.h>

/**
 * kbase_mmu_interrupt - Process an MMU interrupt.
 *
 * Process the MMU interrupt that was reported by the &kbase_device.
 *
 * @kbdev:       Pointer to the kbase device for which the interrupt happened.
 * @irq_stat:    Value of the MMU_IRQ_STATUS register.
 */
void kbase_mmu_interrupt(struct kbase_device *kbdev, u32 irq_stat);

/**
 * kbase_mmu_bus_fault_interrupt - Process a bus fault interrupt.
 *
 * Process the bus fault interrupt that was reported for a particular GPU
 * address space.
 *
 * @kbdev:       Pointer to the kbase device for which bus fault was reported.
 * @status:      Value of the GPU_FAULTSTATUS register.
 * @as_nr:       GPU address space for which the bus fault occurred.
 *
 * Return: zero if the operation was successful, non-zero otherwise.
 */
int kbase_mmu_bus_fault_interrupt(struct kbase_device *kbdev,
		u32 status, u32 as_nr);

#endif	/* _KBASE_MMU_HW_DIRECT_H_ */