1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2003 Poul-Henning Kamp 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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 17 * permission. 18 * 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 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 #ifndef _GEOM_GEOM_CTL_H_ 35 #define _GEOM_GEOM_CTL_H_ 36 37 #include <sys/ioccom.h> 38 39 /* 40 * Version number. Used to check consistency between kernel and libgeom. 41 */ 42 #define GCTL_VERSION 2 43 44 struct gctl_req_arg { 45 u_int nlen; 46 char *name; 47 off_t offset; 48 int flag; 49 int len; 50 void *value; 51 /* kernel only fields */ 52 void *kvalue; 53 }; 54 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 59 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 64 65 struct gctl_req { 66 u_int version; 67 u_int serial; 68 u_int narg; 69 struct gctl_req_arg *arg; 70 u_int lerror; 71 char *error; 72 struct gctl_req_table *reqt; 73 74 /* kernel only fields */ 75 int nerror; 76 struct sbuf *serror; 77 }; 78 79 #define GEOM_CTL _IOW('G', GCTL_VERSION, struct gctl_req) 80 81 #define GEOM_CTL_ARG_MAX 2048 /* maximum number of parameters */ 82 83 #define PATH_GEOM_CTL "geom.ctl" 84 85 #endif /* _GEOM_GEOM_CTL_H_ */ 86