63728c47e8
Use prefix gctl_ systematically. Add flag with access perms for each argument. Add ro/rw versions of argument building functions. General cleanup.
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/*-
|
|
* 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_ */
|