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// SPDX-License-Identifier: GPL-2.0
/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 only,
* as published by the Free Software Foundation.
*
* 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 version 2 for more details (a copy is included
* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
* http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2013 Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*
* Author: Nathan Rutman <nathan.rutman@sun.com>
*
* Kernel <-> userspace communication routines.
* The definitions below are used in the kernel and userspace.
*/
#ifndef __LUSTRE_KERNELCOMM_H__
#define __LUSTRE_KERNELCOMM_H__
/* For declarations shared with userspace */
#include <uapi/linux/lustre/lustre_kernelcomm.h>
/* prototype for callback function on kuc groups */
typedef int (*libcfs_kkuc_cb_t)(void *data, void *cb_arg);
/* Kernel methods */
int libcfs_kkuc_msg_put(struct file *fp, void *payload);
int libcfs_kkuc_group_put(unsigned int group, void *payload);
int libcfs_kkuc_group_add(struct file *fp, int uid, unsigned int group,
void *data, size_t data_len);
int libcfs_kkuc_group_rem(int uid, unsigned int group);
int libcfs_kkuc_group_foreach(unsigned int group, libcfs_kkuc_cb_t cb_func,
void *cb_arg);
#endif /* __LUSTRE_KERNELCOMM_H__ */
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