xref: /onnv-gate/usr/src/uts/sun4v/sys/dr_io.h (revision 6441:e428d5c501f5)
1*6441Sjm22469 /*
2*6441Sjm22469  * CDDL HEADER START
3*6441Sjm22469  *
4*6441Sjm22469  * The contents of this file are subject to the terms of the
5*6441Sjm22469  * Common Development and Distribution License (the "License").
6*6441Sjm22469  * You may not use this file except in compliance with the License.
7*6441Sjm22469  *
8*6441Sjm22469  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*6441Sjm22469  * or http://www.opensolaris.org/os/licensing.
10*6441Sjm22469  * See the License for the specific language governing permissions
11*6441Sjm22469  * and limitations under the License.
12*6441Sjm22469  *
13*6441Sjm22469  * When distributing Covered Code, include this CDDL HEADER in each
14*6441Sjm22469  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*6441Sjm22469  * If applicable, add the following below this CDDL HEADER, with the
16*6441Sjm22469  * fields enclosed by brackets "[]" replaced with your own identifying
17*6441Sjm22469  * information: Portions Copyright [yyyy] [name of copyright owner]
18*6441Sjm22469  *
19*6441Sjm22469  * CDDL HEADER END
20*6441Sjm22469  */
21*6441Sjm22469 
22*6441Sjm22469 /*
23*6441Sjm22469  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24*6441Sjm22469  * Use is subject to license terms.
25*6441Sjm22469  */
26*6441Sjm22469 
27*6441Sjm22469 #ifndef _DR_IO_H
28*6441Sjm22469 #define	_DR_IO_H
29*6441Sjm22469 
30*6441Sjm22469 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*6441Sjm22469 
32*6441Sjm22469 /*
33*6441Sjm22469  * VIO DR Control Protocol
34*6441Sjm22469  */
35*6441Sjm22469 
36*6441Sjm22469 #ifdef __cplusplus
37*6441Sjm22469 extern "C" {
38*6441Sjm22469 #endif
39*6441Sjm22469 
40*6441Sjm22469 /*
41*6441Sjm22469  * Values of 'msg_type' element of the request message
42*6441Sjm22469  */
43*6441Sjm22469 #define	DR_VIO_CONFIGURE	0x494f43	/* 'IOC' */
44*6441Sjm22469 #define	DR_VIO_UNCONFIGURE	0x494f55	/* 'IOU' */
45*6441Sjm22469 #define	DR_VIO_FORCE_UNCONFIG	0x494f46	/* 'IOF' */
46*6441Sjm22469 #define	DR_VIO_STATUS		0x494f53	/* 'IOS' */
47*6441Sjm22469 
48*6441Sjm22469 /*
49*6441Sjm22469  * VIO DR Request
50*6441Sjm22469  */
51*6441Sjm22469 typedef struct {
52*6441Sjm22469 	uint64_t	req_num;
53*6441Sjm22469 	uint64_t	dev_id;
54*6441Sjm22469 	uint32_t	msg_type;
55*6441Sjm22469 	char		name[1];
56*6441Sjm22469 } dr_vio_req_t;
57*6441Sjm22469 
58*6441Sjm22469 /*
59*6441Sjm22469  * Values of 'result' element of the response message
60*6441Sjm22469  */
61*6441Sjm22469 #define	DR_VIO_RES_OK			0x0
62*6441Sjm22469 #define	DR_VIO_RES_FAILURE		0x1
63*6441Sjm22469 #define	DR_VIO_RES_BLOCKED		0x2
64*6441Sjm22469 #define	DR_VIO_RES_NOT_IN_MD		0x3
65*6441Sjm22469 
66*6441Sjm22469 /*
67*6441Sjm22469  * Values of 'status' element of the response message
68*6441Sjm22469  */
69*6441Sjm22469 #define	DR_VIO_STAT_NOT_PRESENT		0x0
70*6441Sjm22469 #define	DR_VIO_STAT_UNCONFIGURED	0x1
71*6441Sjm22469 #define	DR_VIO_STAT_CONFIGURED		0x2
72*6441Sjm22469 
73*6441Sjm22469 /*
74*6441Sjm22469  * VIO DR Response
75*6441Sjm22469  */
76*6441Sjm22469 typedef struct {
77*6441Sjm22469 	uint64_t	req_num;
78*6441Sjm22469 	uint32_t	result;
79*6441Sjm22469 	uint32_t	status;
80*6441Sjm22469 	char		reason[1];
81*6441Sjm22469 } dr_vio_res_t;
82*6441Sjm22469 
83*6441Sjm22469 #define	DR_VIO_DS_ID		"dr-vio"
84*6441Sjm22469 #define	DR_VIO_MAXREASONLEN	1024
85*6441Sjm22469 
86*6441Sjm22469 #ifdef __cplusplus
87*6441Sjm22469 }
88*6441Sjm22469 #endif
89*6441Sjm22469 
90*6441Sjm22469 #endif /* _DR_IO_H */
91