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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2003 Poul-Henning Kamp
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _GEOM_GEOM_CTL_H_
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#define _GEOM_GEOM_CTL_H_
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#include <sys/ioccom.h>
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/*
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* Version number. Used to check consistency between kernel and libgeom.
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*/
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#define GCTL_VERSION 2
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struct gctl_req_arg {
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u_int nlen;
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char *name;
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off_t offset;
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int flag;
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int len;
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void *value;
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/* kernel only fields */
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void *kvalue;
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};
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#define GCTL_PARAM_RD 1 /* Must match VM_PROT_READ */
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#define GCTL_PARAM_WR 2 /* Must match VM_PROT_WRITE */
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#define GCTL_PARAM_RW (GCTL_PARAM_RD | GCTL_PARAM_WR)
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#define GCTL_PARAM_ASCII 4
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/* These are used in the kernel only */
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#define GCTL_PARAM_NAMEKERNEL 8
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#define GCTL_PARAM_VALUEKERNEL 16
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#define GCTL_PARAM_CHANGED 32
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struct gctl_req {
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u_int version;
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u_int serial;
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u_int narg;
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struct gctl_req_arg *arg;
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u_int lerror;
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char *error;
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struct gctl_req_table *reqt;
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/* kernel only fields */
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int nerror;
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struct sbuf *serror;
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};
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#define GEOM_CTL _IOW('G', GCTL_VERSION, struct gctl_req)
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#define GEOM_CTL_ARG_MAX 2048 /* maximum number of parameters */
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#define PATH_GEOM_CTL "geom.ctl"
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#endif /* _GEOM_GEOM_CTL_H_ */
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