/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ #ifndef _DEVMGMT_H #define _DEVMGMT_H #ifdef __cplusplus extern "C" { #endif /* * devmgmt.h * * Contents: * - Device Management definitions, * - getvol() definitions */ /* * Device management definitions * - Default pathnames (relative to installation point) * - Environment variable namess * - Standard field names in the device table * - Flags * - Miscellaneous definitions */ /* * Default pathnames (relative to the package installation * point) to the files used by Device Management: * * DTAB_PATH Device table * DGRP_PATH Device group table * DVLK_PATH Device reservation table */ #define DTAB_PATH "/etc/device.tab" #define DGRP_PATH "/etc/dgroup.tab" #define DVLK_PATH "/etc/devlkfile" /* * Names of environment variables * * OAM_DEVTAB Name of variable that defines the pathname to * the device-table file * OAM_DGROUP Name of variable that defines the pathname to * the device-group table file * OAM_DEVLKTAB Name of variable that defines the pathname to * the device-reservation table file */ #define OAM_DEVTAB "OAM_DEVTAB" #define OAM_DGROUP "OAM_DGROUP" #define OAM_DEVLKTAB "OAM_DEVLKTAB" /* * Standard field names in the device table */ #define DTAB_ALIAS "alias" #define DTAB_CDEVICE "cdevice" #define DTAB_BDEVICE "bdevice" #define DTAB_PATHNAME "pathname" /* * Flags: * For getdev() and getdgrp(): * DTAB_ANDCRITERIA Devices must meet all criteria * instead of any of the criteria * DTAB_EXCLUDEFLAG The list of devices or device groups * is the list that is to be excluded, * not those to select from. * DTAB_LISTALL List all device groups, even those that * have no valid members (getdgrp() only). */ #define DTAB_ANDCRITERIA 0x01 #define DTAB_EXCLUDEFLAG 0x02 #define DTAB_LISTALL 0x04 /* * Miscellaneous Definitions * * DTAB_MXALIASLN Maximum alias length */ #define DTAB_MXALIASLN 14 /* * Device Management Structure definitions * reservdev Reserved device description */ /* * struct reservdev * * Structure describes a reserved device. * * Elements: * char *devname Alias of the reserved device * pid_t key Key used to reserve the device */ struct reservdev { char *devname; pid_t key; }; /* * Device Management Functions: * * devattr() Returns a device's attribute * devreserv() Reserves a device * devfree() Frees a reserved device * reservdev() Return list of reserved devices * getdev() Get devices that match criteria * getdgrp() Get device-groups containing devices * that match criteria * listdev() List attributes defined for a device * listdgrp() List members of a device-group */ char *devattr(char *, char *); int devfree(int, char *); char **devreserv(int, char ***); char **getdev(char **, char **, int); char **getdgrp(char **, char **, int); char **listdev(char *); char **listdgrp(char *); struct reservdev **reservdev(void); /* * getvol() definitions */ #define DM_BATCH 0x0001 #define DM_ELABEL 0x0002 #define DM_FORMAT 0x0004 #define DM_FORMFS 0x0008 #define DM_WLABEL 0x0010 #define DM_OLABEL 0x0020 int getvol(char *, char *, int, char *); #ifdef __cplusplus } #endif #endif /* _DEVMGMT_H */
