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/*
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Kernel TLI-like function to get the state of an
* endpoint.
*
* Returns:
* 0 on success and "state" is set to the current state,
* or a positive error code.
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/user.h>
#include <sys/vnode.h>
#include <sys/errno.h>
#include <sys/stream.h>
#include <sys/ioctl.h>
#include <sys/stropts.h>
#include <sys/strsubr.h>
#include <sys/tihdr.h>
#include <sys/timod.h>
#include <sys/tiuser.h>
#include <sys/t_kuser.h>
int
t_kgetstate(TIUSER *tiptr, int *state)
{
struct T_info_ack inforeq;
struct strioctl strioc;
int retval;
vnode_t *vp;
file_t *fp;
int error;
error = 0;
retval = 0;
fp = tiptr->fp;
vp = fp->f_vnode;
if (state == NULL)
return (EINVAL);
inforeq.PRIM_type = T_INFO_REQ;
strioc.ic_cmd = TI_GETINFO;
strioc.ic_timout = 0;
strioc.ic_dp = (char *)&inforeq;
strioc.ic_len = (int)sizeof (struct T_info_req);
error = strdoioctl(vp->v_stream, &strioc, FNATIVE, K_TO_K, CRED(),
&retval);
if (error)
return (error);
if (retval) {
if ((retval & 0xff) == TSYSERR)
error = (retval >> 8) & 0xff;
else
error = t_tlitosyserr(retval & 0xff);
return (error);
}
if (strioc.ic_len != sizeof (struct T_info_ack))
return (EPROTO);
switch (inforeq.CURRENT_state) {
case TS_UNBND:
*state = T_UNBND;
break;
case TS_IDLE:
*state = T_IDLE;
break;
case TS_WRES_CIND:
*state = T_INCON;
break;
case TS_WCON_CREQ:
*state = T_OUTCON;
break;
case TS_DATA_XFER:
*state = T_DATAXFER;
break;
case TS_WIND_ORDREL:
*state = T_OUTREL;
break;
case TS_WREQ_ORDREL:
*state = T_INREL;
break;
default:
error = EPROTO;
break;
}
return (error);
}
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