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/*
* SPDX-FileCopyrightText: Copyright 2020,2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
* SPDX-License-Identifier: GPL-2.0-only
*
* 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.
*/
#ifndef ETHOSU_NETWORK_H
#define ETHOSU_NETWORK_H
/****************************************************************************
* Includes
****************************************************************************/
#include <linux/kref.h>
#include <linux/types.h>
/****************************************************************************
* Types
****************************************************************************/
struct ethosu_buffer;
struct ethosu_uapi_network_create;
struct device;
struct file;
struct ethosu_network {
struct device *dev;
struct ethosu_mailbox *mailbox;
struct file *file;
struct kref kref;
struct ethosu_dma_mem *dma_mem;
uint32_t index;
};
/****************************************************************************
* Functions
****************************************************************************/
/**
* ethosu_network_create() - Create network
*
* This function must be called in the context of a user space process.
*
* Return: fd on success, else error code.
*/
int ethosu_network_create(struct device *dev,
struct ethosu_mailbox *mailbox,
struct ethosu_uapi_network_create *uapi);
/**
* ethosu_network_get_from_fd() - Get network handle from fd
*
* This function must be called from a user space context.
*
* Return: Pointer on success, else ERR_PTR.
*/
struct ethosu_network *ethosu_network_get_from_fd(int fd);
/**
* ethosu_network_get() - Get network
*/
void ethosu_network_get(struct ethosu_network *net);
/**
* ethosu_network_put() - Put network
*
* Return: 1 if object was removed, else 0.
*/
int ethosu_network_put(struct ethosu_network *net);
#endif /* ETHOSU_NETWORK_H */
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