1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org> 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _GEOM_H_ 32 #define _GEOM_H_ 33 #define G_LIB_VERSION 5 34 35 /* 36 * The G_FLAG_VERBOSE flag on a command specification means that the 37 * comand will accept a -v option and the GEOM framework will print 38 * out status information after the command when it is run with -v. 39 * Additionally a GEOM command can explicitly specify a -v option and 40 * handle it as it would any other option. If both a -v option and 41 * G_FLAG_VERBOSE are specified for a command then both types of verbose 42 * information will be output when that command is run with -v. 43 * 44 * When the G_FLAG_LOADKLD is specified for a command, the GEOM kernel 45 * module will be loaded when that command is run if it has not yet been 46 * loaded. This flag is typically specified for the `create' command. 47 */ 48 #define G_FLAG_NONE 0x0000 49 #define G_FLAG_VERBOSE 0x0001 50 #define G_FLAG_LOADKLD 0x0002 51 52 #define G_TYPE_NONE 0x00 53 #define G_TYPE_BOOL 0x01 54 #define G_TYPE_STRING 0x02 55 #define G_TYPE_NUMBER 0x03 56 #define G_TYPE_MASK 0x0f 57 #define G_TYPE_DONE 0x10 58 #define G_TYPE_MULTI 0x20 59 #define G_TYPE_NUMMASK 0xff00 60 #define G_TYPE_NUMSHIFT 8 61 62 #define G_OPT_MAX 16 63 #define G_OPT_DONE(opt) do { (opt)->go_type |= G_TYPE_DONE; } while (0) 64 #define G_OPT_ISDONE(opt) ((opt)->go_type & G_TYPE_DONE) 65 #define G_OPT_ISMULTI(opt) ((opt)->go_type & G_TYPE_MULTI) 66 #define G_OPT_TYPE(opt) ((opt)->go_type & G_TYPE_MASK) 67 #define G_OPT_NUM(opt) (((opt)->go_type & G_TYPE_NUMMASK) >> G_TYPE_NUMSHIFT) 68 #define G_OPT_NUMINC(opt) ((opt)->go_type += (1 << G_TYPE_NUMSHIFT)) 69 70 #define G_VAL_OPTIONAL ((void *)-1) 71 72 #define G_OPT_SENTINEL { '\0', NULL, NULL, G_TYPE_NONE } 73 #define G_NULL_OPTS { G_OPT_SENTINEL } 74 #define G_CMD_SENTINEL { NULL, 0, NULL, G_NULL_OPTS, NULL } 75 76 struct g_option { 77 char go_char; 78 const char *go_name; 79 const void *go_val; 80 unsigned go_type; 81 }; 82 83 struct g_command { 84 const char *gc_name; 85 unsigned gc_flags; 86 void (*gc_func)(struct gctl_req *, unsigned); 87 struct g_option gc_options[G_OPT_MAX]; 88 const char *gc_usage; 89 }; 90 #endif /* !_GEOM_H_ */ 91