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7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
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13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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18 * http://www.gnu.org/licenses/gpl-2.0.html
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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/
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32 * libcfs/include/libcfs/util/ioctl.h
34 * Utility functions for calling ioctls.
37 #ifndef _LIBCFS_IOCTL_H_
38 #define _LIBCFS_IOCTL_H_
41 #include <linux/types.h>
43 /* Sparse annotation. */
46 #include <linux/lnet/libcfs_ioctl.h>
48 #define LIBCFS_IOC_INIT(data) \
50 memset(&(data), 0, sizeof(data)); \
51 (data).ioc_hdr.ioc_version = LIBCFS_IOCTL_VERSION; \
52 (data).ioc_hdr.ioc_len = sizeof(data); \
55 #define LIBCFS_IOC_INIT_V2(data, hdr) \
57 memset(&(data), 0, sizeof(data)); \
58 (data).hdr.ioc_version = LIBCFS_IOCTL_VERSION2; \
59 (data).hdr.ioc_len = sizeof(data); \
62 /* FIXME - rename these to libcfs_ */
63 int libcfs_ioctl_pack(struct libcfs_ioctl_data *data, char **pbuf, int max);
64 void libcfs_ioctl_unpack(struct libcfs_ioctl_data *data, char *pbuf);
65 int register_ioc_dev(int dev_id, const char *dev_name);
66 void unregister_ioc_dev(int dev_id);
67 int l_ioctl(int dev_id, unsigned int opc, void *buf);