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).
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18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
31 * This file is part of Lustre, http://www.lustre.org/
32 * Lustre is a trademark of Sun Microsystems, Inc.
34 * libcfs/include/libcfs/libcfs_ioctl.h
36 * Low-level ioctl data structures. Kernel ioctl functions declared here,
37 * and user space functions are in libcfsutil_ioctl.h.
41 #ifndef __LIBCFS_IOCTL_H__
42 #define __LIBCFS_IOCTL_H__
45 #define LIBCFS_IOCTL_VERSION 0x0001000a
47 struct libcfs_ioctl_data {
64 __u32 ioc_plen1; /* buffers in userspace */
66 __u32 ioc_plen2; /* buffers in userspace */
72 #define ioc_priority ioc_u32[0]
75 struct libcfs_ioctl_hdr {
80 struct libcfs_debug_ioctl_data
82 struct libcfs_ioctl_hdr hdr;
87 #define LIBCFS_IOC_INIT(data) \
89 memset(&data, 0, sizeof(data)); \
90 data.ioc_version = LIBCFS_IOCTL_VERSION; \
91 data.ioc_len = sizeof(data); \
96 struct libcfs_ioctl_handler {
97 struct list_head item;
98 int (*handle_ioctl)(unsigned int cmd, struct libcfs_ioctl_data *data);
101 #define DECLARE_IOCTL_HANDLER(ident, func) \
102 struct libcfs_ioctl_handler ident = { \
103 /* .item = */ LIST_HEAD_INIT(ident.item), \
104 /* .handle_ioctl = */ func \
109 /* FIXME check conflict with lustre_lib.h */
110 #define LIBCFS_IOC_DEBUG_MASK _IOWR('f', 250, long)
113 /* ioctls for manipulating snapshots 30- */
114 #define IOC_LIBCFS_TYPE 'e'
115 #define IOC_LIBCFS_MIN_NR 30
117 #define IOC_LIBCFS_PANIC _IOWR('e', 30, IOCTL_LIBCFS_TYPE)
118 #define IOC_LIBCFS_CLEAR_DEBUG _IOWR('e', 31, IOCTL_LIBCFS_TYPE)
119 #define IOC_LIBCFS_MARK_DEBUG _IOWR('e', 32, IOCTL_LIBCFS_TYPE)
120 #define IOC_LIBCFS_MEMHOG _IOWR('e', 36, IOCTL_LIBCFS_TYPE)
121 #define IOC_LIBCFS_PING_TEST _IOWR('e', 37, IOCTL_LIBCFS_TYPE)
123 #define IOC_LIBCFS_GET_NI _IOWR('e', 50, IOCTL_LIBCFS_TYPE)
124 #define IOC_LIBCFS_FAIL_NID _IOWR('e', 51, IOCTL_LIBCFS_TYPE)
125 #define IOC_LIBCFS_ADD_ROUTE _IOWR('e', 52, IOCTL_LIBCFS_TYPE)
126 #define IOC_LIBCFS_DEL_ROUTE _IOWR('e', 53, IOCTL_LIBCFS_TYPE)
127 #define IOC_LIBCFS_GET_ROUTE _IOWR('e', 54, IOCTL_LIBCFS_TYPE)
128 #define IOC_LIBCFS_NOTIFY_ROUTER _IOWR('e', 55, IOCTL_LIBCFS_TYPE)
129 #define IOC_LIBCFS_UNCONFIGURE _IOWR('e', 56, IOCTL_LIBCFS_TYPE)
130 #define IOC_LIBCFS_PORTALS_COMPATIBILITY _IOWR('e', 57, IOCTL_LIBCFS_TYPE)
131 #define IOC_LIBCFS_LNET_DIST _IOWR('e', 58, IOCTL_LIBCFS_TYPE)
132 #define IOC_LIBCFS_CONFIGURE _IOWR('e', 59, IOCTL_LIBCFS_TYPE)
133 #define IOC_LIBCFS_TESTPROTOCOMPAT _IOWR('e', 60, IOCTL_LIBCFS_TYPE)
134 #define IOC_LIBCFS_PING _IOWR('e', 61, IOCTL_LIBCFS_TYPE)
135 #define IOC_LIBCFS_DEBUG_PEER _IOWR('e', 62, IOCTL_LIBCFS_TYPE)
136 #define IOC_LIBCFS_LNETST _IOWR('e', 63, IOCTL_LIBCFS_TYPE)
138 #define IOC_LIBCFS_REGISTER_MYNID _IOWR('e', 70, IOCTL_LIBCFS_TYPE)
139 #define IOC_LIBCFS_CLOSE_CONNECTION _IOWR('e', 71, IOCTL_LIBCFS_TYPE)
140 #define IOC_LIBCFS_PUSH_CONNECTION _IOWR('e', 72, IOCTL_LIBCFS_TYPE)
141 #define IOC_LIBCFS_GET_CONN _IOWR('e', 73, IOCTL_LIBCFS_TYPE)
142 #define IOC_LIBCFS_DEL_PEER _IOWR('e', 74, IOCTL_LIBCFS_TYPE)
143 #define IOC_LIBCFS_ADD_PEER _IOWR('e', 75, IOCTL_LIBCFS_TYPE)
144 #define IOC_LIBCFS_GET_PEER _IOWR('e', 76, IOCTL_LIBCFS_TYPE)
145 #define IOC_LIBCFS_GET_TXDESC _IOWR('e', 77, IOCTL_LIBCFS_TYPE)
146 #define IOC_LIBCFS_ADD_INTERFACE _IOWR('e', 78, IOCTL_LIBCFS_TYPE)
147 #define IOC_LIBCFS_DEL_INTERFACE _IOWR('e', 79, IOCTL_LIBCFS_TYPE)
148 #define IOC_LIBCFS_GET_INTERFACE _IOWR('e', 80, IOCTL_LIBCFS_TYPE)
150 #define IOC_LIBCFS_MAX_NR 80
152 static inline int libcfs_ioctl_packlen(struct libcfs_ioctl_data *data)
154 int len = sizeof(*data);
155 len += cfs_size_round(data->ioc_inllen1);
156 len += cfs_size_round(data->ioc_inllen2);
160 static inline int libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
162 if (data->ioc_len > (1<<30)) {
163 CERROR ("LIBCFS ioctl: ioc_len larger than 1<<30\n");
166 if (data->ioc_inllen1 > (1<<30)) {
167 CERROR ("LIBCFS ioctl: ioc_inllen1 larger than 1<<30\n");
170 if (data->ioc_inllen2 > (1<<30)) {
171 CERROR ("LIBCFS ioctl: ioc_inllen2 larger than 1<<30\n");
174 if (data->ioc_inlbuf1 && !data->ioc_inllen1) {
175 CERROR ("LIBCFS ioctl: inlbuf1 pointer but 0 length\n");
178 if (data->ioc_inlbuf2 && !data->ioc_inllen2) {
179 CERROR ("LIBCFS ioctl: inlbuf2 pointer but 0 length\n");
182 if (data->ioc_pbuf1 && !data->ioc_plen1) {
183 CERROR ("LIBCFS ioctl: pbuf1 pointer but 0 length\n");
186 if (data->ioc_pbuf2 && !data->ioc_plen2) {
187 CERROR ("LIBCFS ioctl: pbuf2 pointer but 0 length\n");
190 if (data->ioc_plen1 && !data->ioc_pbuf1) {
191 CERROR ("LIBCFS ioctl: plen1 nonzero but no pbuf1 pointer\n");
194 if (data->ioc_plen2 && !data->ioc_pbuf2) {
195 CERROR ("LIBCFS ioctl: plen2 nonzero but no pbuf2 pointer\n");
198 if ((__u32)libcfs_ioctl_packlen(data) != data->ioc_len ) {
199 CERROR ("LIBCFS ioctl: packlen != ioc_len\n");
202 if (data->ioc_inllen1 &&
203 data->ioc_bulk[data->ioc_inllen1 - 1] != '\0') {
204 CERROR ("LIBCFS ioctl: inlbuf1 not 0 terminated\n");
207 if (data->ioc_inllen2 &&
208 data->ioc_bulk[cfs_size_round(data->ioc_inllen1) +
209 data->ioc_inllen2 - 1] != '\0') {
210 CERROR ("LIBCFS ioctl: inlbuf2 not 0 terminated\n");
218 extern int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand);
219 extern int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand);
220 extern int libcfs_ioctl_getdata(char *buf, char *end, void *arg);
221 extern int libcfs_ioctl_popdata(void *arg, void *buf, int size);
225 #endif /* __LIBCFS_IOCTL_H__ */