xref: /onnv-gate/usr/src/uts/sun4v/promif/promif_version.c (revision 1991:f29baf5bf770)
1*1991Sheppo /*
2*1991Sheppo  * CDDL HEADER START
3*1991Sheppo  *
4*1991Sheppo  * The contents of this file are subject to the terms of the
5*1991Sheppo  * Common Development and Distribution License (the "License").
6*1991Sheppo  * You may not use this file except in compliance with the License.
7*1991Sheppo  *
8*1991Sheppo  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*1991Sheppo  * or http://www.opensolaris.org/os/licensing.
10*1991Sheppo  * See the License for the specific language governing permissions
11*1991Sheppo  * and limitations under the License.
12*1991Sheppo  *
13*1991Sheppo  * When distributing Covered Code, include this CDDL HEADER in each
14*1991Sheppo  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*1991Sheppo  * If applicable, add the following below this CDDL HEADER, with the
16*1991Sheppo  * fields enclosed by brackets "[]" replaced with your own identifying
17*1991Sheppo  * information: Portions Copyright [yyyy] [name of copyright owner]
18*1991Sheppo  *
19*1991Sheppo  * CDDL HEADER END
20*1991Sheppo  */
21*1991Sheppo 
22*1991Sheppo /*
23*1991Sheppo  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24*1991Sheppo  * Use is subject to license terms.
25*1991Sheppo  */
26*1991Sheppo 
27*1991Sheppo #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*1991Sheppo 
29*1991Sheppo #include <sys/promif_impl.h>
30*1991Sheppo #include <sys/hypervisor_api.h>
31*1991Sheppo 
32*1991Sheppo /*
33*1991Sheppo  * Wrappers to get/set the API version with Hypervisor.
34*1991Sheppo  */
35*1991Sheppo 
36*1991Sheppo int
promif_set_sun4v_api_version(void * p)37*1991Sheppo promif_set_sun4v_api_version(void *p)
38*1991Sheppo {
39*1991Sheppo 	cell_t *ci = (cell_t *)p;
40*1991Sheppo 	uint64_t api_group;
41*1991Sheppo 	uint64_t major;
42*1991Sheppo 	uint64_t minor;
43*1991Sheppo 	uint64_t status;
44*1991Sheppo 	uint64_t supported_minor;
45*1991Sheppo 
46*1991Sheppo 	ASSERT(ci[1] == 3);
47*1991Sheppo 	ASSERT(ci[2] == 2);
48*1991Sheppo 
49*1991Sheppo 	api_group = (uint64_t)p1275_cell2int(ci[3]);
50*1991Sheppo 	major = (uint64_t)p1275_cell2int(ci[4]);
51*1991Sheppo 	minor = (uint64_t)p1275_cell2int(ci[5]);
52*1991Sheppo 
53*1991Sheppo 	status = hv_api_set_version(api_group, major, minor, &supported_minor);
54*1991Sheppo 
55*1991Sheppo 	ci[6] = p1275_int2cell(status);
56*1991Sheppo 	ci[7] = p1275_int2cell(supported_minor);
57*1991Sheppo 
58*1991Sheppo 	return ((status == H_EOK) ? 0 : -1);
59*1991Sheppo }
60*1991Sheppo 
61*1991Sheppo int
promif_get_sun4v_api_version(void * p)62*1991Sheppo promif_get_sun4v_api_version(void *p)
63*1991Sheppo {
64*1991Sheppo 	cell_t *ci = (cell_t *)p;
65*1991Sheppo 	uint64_t api_group;
66*1991Sheppo 	uint64_t major;
67*1991Sheppo 	uint64_t minor;
68*1991Sheppo 	uint64_t status;
69*1991Sheppo 
70*1991Sheppo 	ASSERT(ci[1] == 1);
71*1991Sheppo 	ASSERT(ci[2] == 3);
72*1991Sheppo 
73*1991Sheppo 	api_group = (uint64_t)p1275_cell2int(ci[3]);
74*1991Sheppo 
75*1991Sheppo 	status = hv_api_get_version(api_group, &major, &minor);
76*1991Sheppo 
77*1991Sheppo 	ci[4] = p1275_int2cell(status);
78*1991Sheppo 	ci[5] = p1275_int2cell(major);
79*1991Sheppo 	ci[6] = p1275_int2cell(minor);
80*1991Sheppo 
81*1991Sheppo 	return ((status == H_EOK) ? 0 : -1);
82*1991Sheppo }
83