xref: /onnv-gate/usr/src/uts/sun4v/os/mach_ddi_impl.c (revision 0:68f95e015346)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  * sun4u specific DDI implementation
31*0Sstevel@tonic-gate  */
32*0Sstevel@tonic-gate #include <sys/bootconf.h>
33*0Sstevel@tonic-gate #include <sys/conf.h>
34*0Sstevel@tonic-gate #include <sys/machsystm.h>
35*0Sstevel@tonic-gate #include <sys/idprom.h>
36*0Sstevel@tonic-gate #include <sys/promif.h>
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /*
40*0Sstevel@tonic-gate  * Favored drivers of this implementation
41*0Sstevel@tonic-gate  * architecture.  These drivers MUST be present for
42*0Sstevel@tonic-gate  * the system to boot at all.
43*0Sstevel@tonic-gate  */
44*0Sstevel@tonic-gate char *impl_module_list[] = {
45*0Sstevel@tonic-gate 	"rootnex",
46*0Sstevel@tonic-gate 	"options",
47*0Sstevel@tonic-gate 	"sad",		/* Referenced via init_tbl[] */
48*0Sstevel@tonic-gate 	"pseudo",
49*0Sstevel@tonic-gate 	"clone",
50*0Sstevel@tonic-gate 	"scsi_vhci",
51*0Sstevel@tonic-gate 	(char *)0
52*0Sstevel@tonic-gate };
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate /*
55*0Sstevel@tonic-gate  * Check the status of the device node passed as an argument.
56*0Sstevel@tonic-gate  *
57*0Sstevel@tonic-gate  *	if ((status is OKAY) || (status is DISABLED))
58*0Sstevel@tonic-gate  *		return DDI_SUCCESS
59*0Sstevel@tonic-gate  *	else
60*0Sstevel@tonic-gate  *		print a warning and return DDI_FAILURE
61*0Sstevel@tonic-gate  */
62*0Sstevel@tonic-gate /*ARGSUSED*/
63*0Sstevel@tonic-gate int
64*0Sstevel@tonic-gate check_status(int id, char *buf, dev_info_t *parent)
65*0Sstevel@tonic-gate {
66*0Sstevel@tonic-gate 	char status_buf[64];
67*0Sstevel@tonic-gate 	extern int status_okay(int, char *, int);
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate 	/*
70*0Sstevel@tonic-gate 	 * is the status okay?
71*0Sstevel@tonic-gate 	 */
72*0Sstevel@tonic-gate 	if (status_okay(id, status_buf, sizeof (status_buf)))
73*0Sstevel@tonic-gate 		return (DDI_SUCCESS);
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate 	return (DDI_FAILURE);
76*0Sstevel@tonic-gate }
77