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/*-
* Copyright (c) 2003 Poul-Henning Kamp
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file defines the interface between libgeom and the geom control device
* in the kernel, the interfaces defined herein are to be considered private
* and may only be used by libgeom. Applications wishing to interact with
* the geom subsystem must use libgeoms published APIs.
*
* $FreeBSD$
*/
#ifndef _GEOM_GEOM_EXT_H_
#define _GEOM_GEOM_EXT_H_
#include <sys/ioccom.h>
#include <geom/geom_ctl.h>
struct gctl_req_arg {
u_int nlen;
char *name;
off_t offset;
int flag;
int len;
void *value;
};
#define GCTL_PARAM_RD 1 /* Must match VM_PROT_READ */
#define GCTL_PARAM_WR 2 /* Must match VM_PROT_WRITE */
#define GCTL_PARAM_RW (GCTL_PARAM_RD | GCTL_PARAM_WR)
#define GCTL_PARAM_ASCII 4
struct gctl_req {
u_int version;
u_int serial;
enum gctl_request request;
u_int narg;
struct gctl_req_arg *arg;
u_int lerror;
char *error;
struct gctl_req_table *reqt;
};
#define GEOM_CTL _IOW('G', GCTL_VERSION, struct gctl_req)
#define PATH_GEOM_CTL "geom.ctl"
#endif /* _GEOM_GEOM_EXT_H_ */
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