4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2013, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * Author: Nathan Rutman <nathan.rutman@sun.com>
33 * Kernel <-> userspace communication routines.
34 * The definitions below are used in the kernel and userspace.
37 #ifndef __LUSTRE_KERNELCOMM_H__
38 #define __LUSTRE_KERNELCOMM_H__
40 /* For declarations shared with userspace */
41 #include <uapi/linux/lustre/lustre_kernelcomm.h>
43 /* prototype for callback function on kuc groups */
44 typedef int (*libcfs_kkuc_cb_t)(void *data, void *cb_arg);
47 void libcfs_kkuc_init(void);
48 int libcfs_kkuc_msg_put(struct file *fp, void *payload);
49 int libcfs_kkuc_group_put(const struct obd_uuid *uuid, int group, void *data);
50 int libcfs_kkuc_group_add(struct file *fp, const struct obd_uuid *uuid, int uid,
51 int group, void *data, size_t data_len);
52 int libcfs_kkuc_group_rem(const struct obd_uuid *uuid, int uid, int group);
53 int libcfs_kkuc_group_foreach(const struct obd_uuid *uuid, int group,
54 libcfs_kkuc_cb_t cb_func, void *cb_arg);
56 #endif /* __LUSTRE_KERNELCOMM_H__ */