1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate * The Regents of the University of California
33*0Sstevel@tonic-gate * All Rights Reserved
34*0Sstevel@tonic-gate *
35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate * contributors.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate /*
43*0Sstevel@tonic-gate * Kernel TLI-like function to get the state of an
44*0Sstevel@tonic-gate * endpoint.
45*0Sstevel@tonic-gate *
46*0Sstevel@tonic-gate * Returns:
47*0Sstevel@tonic-gate * 0 on success and "state" is set to the current state,
48*0Sstevel@tonic-gate * or a positive error code.
49*0Sstevel@tonic-gate */
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gate #include <sys/param.h>
52*0Sstevel@tonic-gate #include <sys/types.h>
53*0Sstevel@tonic-gate #include <sys/proc.h>
54*0Sstevel@tonic-gate #include <sys/file.h>
55*0Sstevel@tonic-gate #include <sys/user.h>
56*0Sstevel@tonic-gate #include <sys/vnode.h>
57*0Sstevel@tonic-gate #include <sys/errno.h>
58*0Sstevel@tonic-gate #include <sys/stream.h>
59*0Sstevel@tonic-gate #include <sys/ioctl.h>
60*0Sstevel@tonic-gate #include <sys/stropts.h>
61*0Sstevel@tonic-gate #include <sys/strsubr.h>
62*0Sstevel@tonic-gate #include <sys/tihdr.h>
63*0Sstevel@tonic-gate #include <sys/timod.h>
64*0Sstevel@tonic-gate #include <sys/tiuser.h>
65*0Sstevel@tonic-gate #include <sys/t_kuser.h>
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate
68*0Sstevel@tonic-gate int
t_kgetstate(TIUSER * tiptr,int * state)69*0Sstevel@tonic-gate t_kgetstate(TIUSER *tiptr, int *state)
70*0Sstevel@tonic-gate {
71*0Sstevel@tonic-gate struct T_info_ack inforeq;
72*0Sstevel@tonic-gate struct strioctl strioc;
73*0Sstevel@tonic-gate int retval;
74*0Sstevel@tonic-gate vnode_t *vp;
75*0Sstevel@tonic-gate file_t *fp;
76*0Sstevel@tonic-gate int error;
77*0Sstevel@tonic-gate
78*0Sstevel@tonic-gate error = 0;
79*0Sstevel@tonic-gate retval = 0;
80*0Sstevel@tonic-gate fp = tiptr->fp;
81*0Sstevel@tonic-gate vp = fp->f_vnode;
82*0Sstevel@tonic-gate
83*0Sstevel@tonic-gate if (state == NULL)
84*0Sstevel@tonic-gate return (EINVAL);
85*0Sstevel@tonic-gate
86*0Sstevel@tonic-gate inforeq.PRIM_type = T_INFO_REQ;
87*0Sstevel@tonic-gate strioc.ic_cmd = TI_GETINFO;
88*0Sstevel@tonic-gate strioc.ic_timout = 0;
89*0Sstevel@tonic-gate strioc.ic_dp = (char *)&inforeq;
90*0Sstevel@tonic-gate strioc.ic_len = (int)sizeof (struct T_info_req);
91*0Sstevel@tonic-gate
92*0Sstevel@tonic-gate error = strdoioctl(vp->v_stream, &strioc, FNATIVE, K_TO_K, CRED(),
93*0Sstevel@tonic-gate &retval);
94*0Sstevel@tonic-gate if (error)
95*0Sstevel@tonic-gate return (error);
96*0Sstevel@tonic-gate
97*0Sstevel@tonic-gate if (retval) {
98*0Sstevel@tonic-gate if ((retval & 0xff) == TSYSERR)
99*0Sstevel@tonic-gate error = (retval >> 8) & 0xff;
100*0Sstevel@tonic-gate else
101*0Sstevel@tonic-gate error = t_tlitosyserr(retval & 0xff);
102*0Sstevel@tonic-gate return (error);
103*0Sstevel@tonic-gate }
104*0Sstevel@tonic-gate
105*0Sstevel@tonic-gate if (strioc.ic_len != sizeof (struct T_info_ack))
106*0Sstevel@tonic-gate return (EPROTO);
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate switch (inforeq.CURRENT_state) {
109*0Sstevel@tonic-gate case TS_UNBND:
110*0Sstevel@tonic-gate *state = T_UNBND;
111*0Sstevel@tonic-gate break;
112*0Sstevel@tonic-gate
113*0Sstevel@tonic-gate case TS_IDLE:
114*0Sstevel@tonic-gate *state = T_IDLE;
115*0Sstevel@tonic-gate break;
116*0Sstevel@tonic-gate
117*0Sstevel@tonic-gate case TS_WRES_CIND:
118*0Sstevel@tonic-gate *state = T_INCON;
119*0Sstevel@tonic-gate break;
120*0Sstevel@tonic-gate
121*0Sstevel@tonic-gate case TS_WCON_CREQ:
122*0Sstevel@tonic-gate *state = T_OUTCON;
123*0Sstevel@tonic-gate break;
124*0Sstevel@tonic-gate
125*0Sstevel@tonic-gate case TS_DATA_XFER:
126*0Sstevel@tonic-gate *state = T_DATAXFER;
127*0Sstevel@tonic-gate break;
128*0Sstevel@tonic-gate
129*0Sstevel@tonic-gate case TS_WIND_ORDREL:
130*0Sstevel@tonic-gate *state = T_OUTREL;
131*0Sstevel@tonic-gate break;
132*0Sstevel@tonic-gate
133*0Sstevel@tonic-gate case TS_WREQ_ORDREL:
134*0Sstevel@tonic-gate *state = T_INREL;
135*0Sstevel@tonic-gate break;
136*0Sstevel@tonic-gate
137*0Sstevel@tonic-gate default:
138*0Sstevel@tonic-gate error = EPROTO;
139*0Sstevel@tonic-gate break;
140*0Sstevel@tonic-gate }
141*0Sstevel@tonic-gate return (error);
142*0Sstevel@tonic-gate }
143