2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 2003 Poul-Henning Kamp
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The names of the authors may not be used to endorse or promote
16 * products derived from this software without specific prior written
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #ifndef _GEOM_GEOM_CTL_H_
35 #define _GEOM_GEOM_CTL_H_
37 #include <sys/ioccom.h>
40 * Version number. Used to check consistency between kernel and libgeom.
42 #define GCTL_VERSION 2
51 /* kernel only fields */
55 #define GCTL_PARAM_RD 1 /* Must match VM_PROT_READ */
56 #define GCTL_PARAM_WR 2 /* Must match VM_PROT_WRITE */
57 #define GCTL_PARAM_RW (GCTL_PARAM_RD | GCTL_PARAM_WR)
58 #define GCTL_PARAM_ASCII 4
60 /* These are used in the kernel only */
61 #define GCTL_PARAM_NAMEKERNEL 8
62 #define GCTL_PARAM_VALUEKERNEL 16
63 #define GCTL_PARAM_CHANGED 32
69 struct gctl_req_arg *arg;
72 struct gctl_req_table *reqt;
74 /* kernel only fields */
79 #define GEOM_CTL _IOW('G', GCTL_VERSION, struct gctl_req)
81 #define GEOM_CTL_ARG_MAX 2048 /* maximum number of parameters */
83 #define PATH_GEOM_CTL "geom.ctl"
85 #endif /* _GEOM_GEOM_CTL_H_ */