17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7257d1b4Sraf  * Common Development and Distribution License (the "License").
6*7257d1b4Sraf  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21*7257d1b4Sraf 
227c478bd9Sstevel@tonic-gate /*
23*7257d1b4Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #include <stdlib.h>
287c478bd9Sstevel@tonic-gate #include <unistd.h>
297c478bd9Sstevel@tonic-gate #include <errno.h>
307c478bd9Sstevel@tonic-gate #include <door.h>
317c478bd9Sstevel@tonic-gate #include "libproc.h"
327c478bd9Sstevel@tonic-gate 
337c478bd9Sstevel@tonic-gate /*
347c478bd9Sstevel@tonic-gate  * door() system calls -- executed by subject process
357c478bd9Sstevel@tonic-gate  */
367c478bd9Sstevel@tonic-gate 
377c478bd9Sstevel@tonic-gate int
pr_door_info(struct ps_prochandle * Pr,int did,door_info_t * di)387c478bd9Sstevel@tonic-gate pr_door_info(struct ps_prochandle *Pr, int did, door_info_t *di)
397c478bd9Sstevel@tonic-gate {
40*7257d1b4Sraf 	sysret_t rval;			/* return value from door_info() */
41*7257d1b4Sraf 	argdes_t argd[6];		/* arg descriptors for door_info() */
427c478bd9Sstevel@tonic-gate 	argdes_t *adp = &argd[0];	/* first argument */
437c478bd9Sstevel@tonic-gate 	int error;
447c478bd9Sstevel@tonic-gate 
457c478bd9Sstevel@tonic-gate 	if (Pr == NULL)		/* no subject process */
467c478bd9Sstevel@tonic-gate 		return (door_info(did, di));
477c478bd9Sstevel@tonic-gate 
487c478bd9Sstevel@tonic-gate 	adp->arg_value = did;
497c478bd9Sstevel@tonic-gate 	adp->arg_object = NULL;
507c478bd9Sstevel@tonic-gate 	adp->arg_type = AT_BYVAL;
517c478bd9Sstevel@tonic-gate 	adp->arg_inout = AI_INPUT;
527c478bd9Sstevel@tonic-gate 	adp->arg_size = 0;
537c478bd9Sstevel@tonic-gate 	adp++;			/* move to door_info_t argument */
547c478bd9Sstevel@tonic-gate 
557c478bd9Sstevel@tonic-gate 	adp->arg_value = 0;
567c478bd9Sstevel@tonic-gate 	adp->arg_object = di;
577c478bd9Sstevel@tonic-gate 	adp->arg_type = AT_BYREF;
587c478bd9Sstevel@tonic-gate 	adp->arg_inout = AI_OUTPUT;
597c478bd9Sstevel@tonic-gate 	adp->arg_size = sizeof (door_info_t);
607c478bd9Sstevel@tonic-gate 	adp++;			/* move to unused argument */
617c478bd9Sstevel@tonic-gate 
627c478bd9Sstevel@tonic-gate 	adp->arg_value = 0;
637c478bd9Sstevel@tonic-gate 	adp->arg_object = NULL;
647c478bd9Sstevel@tonic-gate 	adp->arg_type = AT_BYVAL;
657c478bd9Sstevel@tonic-gate 	adp->arg_inout = AI_INPUT;
667c478bd9Sstevel@tonic-gate 	adp->arg_size = 0;
677c478bd9Sstevel@tonic-gate 	adp++;			/* move to unused argument */
687c478bd9Sstevel@tonic-gate 
697c478bd9Sstevel@tonic-gate 	adp->arg_value = 0;
707c478bd9Sstevel@tonic-gate 	adp->arg_object = NULL;
717c478bd9Sstevel@tonic-gate 	adp->arg_type = AT_BYVAL;
727c478bd9Sstevel@tonic-gate 	adp->arg_inout = AI_INPUT;
737c478bd9Sstevel@tonic-gate 	adp->arg_size = 0;
747c478bd9Sstevel@tonic-gate 	adp++;			/* move to unused argument */
757c478bd9Sstevel@tonic-gate 
767c478bd9Sstevel@tonic-gate 	adp->arg_value = 0;
777c478bd9Sstevel@tonic-gate 	adp->arg_object = NULL;
787c478bd9Sstevel@tonic-gate 	adp->arg_type = AT_BYVAL;
797c478bd9Sstevel@tonic-gate 	adp->arg_inout = AI_INPUT;
807c478bd9Sstevel@tonic-gate 	adp->arg_size = 0;
817c478bd9Sstevel@tonic-gate 	adp++;			/* move to subcode argument */
827c478bd9Sstevel@tonic-gate 
837c478bd9Sstevel@tonic-gate 	adp->arg_value = DOOR_INFO;
847c478bd9Sstevel@tonic-gate 	adp->arg_object = NULL;
857c478bd9Sstevel@tonic-gate 	adp->arg_type = AT_BYVAL;
867c478bd9Sstevel@tonic-gate 	adp->arg_inout = AI_INPUT;
877c478bd9Sstevel@tonic-gate 	adp->arg_size = 0;
887c478bd9Sstevel@tonic-gate 
897c478bd9Sstevel@tonic-gate 	error = Psyscall(Pr, &rval, SYS_door, 6, &argd[0]);
907c478bd9Sstevel@tonic-gate 
917c478bd9Sstevel@tonic-gate 	if (error) {
927c478bd9Sstevel@tonic-gate 		errno = (error < 0)? ENOSYS : error;
937c478bd9Sstevel@tonic-gate 		return (-1);
947c478bd9Sstevel@tonic-gate 	}
957c478bd9Sstevel@tonic-gate 	return (0);
967c478bd9Sstevel@tonic-gate }
97