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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2014, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * libcfs/include/libcfs/util/ioctl.h
33 * Utility functions for calling ioctls.
36 #ifndef _LIBCFS_IOCTL_H_
37 #define _LIBCFS_IOCTL_H_
40 #include <linux/types.h>
42 /* Sparse annotation. */
45 #include <linux/lnet/libcfs_ioctl.h>
47 #define LIBCFS_IOC_INIT(data) \
49 memset(&(data), 0, sizeof(data)); \
50 (data).ioc_hdr.ioc_version = LIBCFS_IOCTL_VERSION; \
51 (data).ioc_hdr.ioc_len = sizeof(data); \
54 #define LIBCFS_IOC_INIT_V2(data, hdr) \
56 memset(&(data), 0, sizeof(data)); \
57 (data).hdr.ioc_version = LIBCFS_IOCTL_VERSION2; \
58 (data).hdr.ioc_len = sizeof(data); \
61 /* FIXME - rename these to libcfs_ */
62 int libcfs_ioctl_pack(struct libcfs_ioctl_data *data, char **pbuf, int max);
63 void libcfs_ioctl_unpack(struct libcfs_ioctl_data *data, char *pbuf);
64 int register_ioc_dev(int dev_id, const char *dev_name);
65 void unregister_ioc_dev(int dev_id);
66 int l_ioctl(int dev_id, unsigned int opc, void *buf);