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