xref: /titanic_44/usr/src/uts/sun4v/sys/dr_io.h (revision 8fea755a86ff6c596183a4366bfbd59f1bfdfe55)
1*8fea755aSjm22469 /*
2*8fea755aSjm22469  * CDDL HEADER START
3*8fea755aSjm22469  *
4*8fea755aSjm22469  * The contents of this file are subject to the terms of the
5*8fea755aSjm22469  * Common Development and Distribution License (the "License").
6*8fea755aSjm22469  * You may not use this file except in compliance with the License.
7*8fea755aSjm22469  *
8*8fea755aSjm22469  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*8fea755aSjm22469  * or http://www.opensolaris.org/os/licensing.
10*8fea755aSjm22469  * See the License for the specific language governing permissions
11*8fea755aSjm22469  * and limitations under the License.
12*8fea755aSjm22469  *
13*8fea755aSjm22469  * When distributing Covered Code, include this CDDL HEADER in each
14*8fea755aSjm22469  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*8fea755aSjm22469  * If applicable, add the following below this CDDL HEADER, with the
16*8fea755aSjm22469  * fields enclosed by brackets "[]" replaced with your own identifying
17*8fea755aSjm22469  * information: Portions Copyright [yyyy] [name of copyright owner]
18*8fea755aSjm22469  *
19*8fea755aSjm22469  * CDDL HEADER END
20*8fea755aSjm22469  */
21*8fea755aSjm22469 
22*8fea755aSjm22469 /*
23*8fea755aSjm22469  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24*8fea755aSjm22469  * Use is subject to license terms.
25*8fea755aSjm22469  */
26*8fea755aSjm22469 
27*8fea755aSjm22469 #ifndef _DR_IO_H
28*8fea755aSjm22469 #define	_DR_IO_H
29*8fea755aSjm22469 
30*8fea755aSjm22469 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*8fea755aSjm22469 
32*8fea755aSjm22469 /*
33*8fea755aSjm22469  * VIO DR Control Protocol
34*8fea755aSjm22469  */
35*8fea755aSjm22469 
36*8fea755aSjm22469 #ifdef __cplusplus
37*8fea755aSjm22469 extern "C" {
38*8fea755aSjm22469 #endif
39*8fea755aSjm22469 
40*8fea755aSjm22469 /*
41*8fea755aSjm22469  * Values of 'msg_type' element of the request message
42*8fea755aSjm22469  */
43*8fea755aSjm22469 #define	DR_VIO_CONFIGURE	0x494f43	/* 'IOC' */
44*8fea755aSjm22469 #define	DR_VIO_UNCONFIGURE	0x494f55	/* 'IOU' */
45*8fea755aSjm22469 #define	DR_VIO_FORCE_UNCONFIG	0x494f46	/* 'IOF' */
46*8fea755aSjm22469 #define	DR_VIO_STATUS		0x494f53	/* 'IOS' */
47*8fea755aSjm22469 
48*8fea755aSjm22469 /*
49*8fea755aSjm22469  * VIO DR Request
50*8fea755aSjm22469  */
51*8fea755aSjm22469 typedef struct {
52*8fea755aSjm22469 	uint64_t	req_num;
53*8fea755aSjm22469 	uint64_t	dev_id;
54*8fea755aSjm22469 	uint32_t	msg_type;
55*8fea755aSjm22469 	char		name[1];
56*8fea755aSjm22469 } dr_vio_req_t;
57*8fea755aSjm22469 
58*8fea755aSjm22469 /*
59*8fea755aSjm22469  * Values of 'result' element of the response message
60*8fea755aSjm22469  */
61*8fea755aSjm22469 #define	DR_VIO_RES_OK			0x0
62*8fea755aSjm22469 #define	DR_VIO_RES_FAILURE		0x1
63*8fea755aSjm22469 #define	DR_VIO_RES_BLOCKED		0x2
64*8fea755aSjm22469 #define	DR_VIO_RES_NOT_IN_MD		0x3
65*8fea755aSjm22469 
66*8fea755aSjm22469 /*
67*8fea755aSjm22469  * Values of 'status' element of the response message
68*8fea755aSjm22469  */
69*8fea755aSjm22469 #define	DR_VIO_STAT_NOT_PRESENT		0x0
70*8fea755aSjm22469 #define	DR_VIO_STAT_UNCONFIGURED	0x1
71*8fea755aSjm22469 #define	DR_VIO_STAT_CONFIGURED		0x2
72*8fea755aSjm22469 
73*8fea755aSjm22469 /*
74*8fea755aSjm22469  * VIO DR Response
75*8fea755aSjm22469  */
76*8fea755aSjm22469 typedef struct {
77*8fea755aSjm22469 	uint64_t	req_num;
78*8fea755aSjm22469 	uint32_t	result;
79*8fea755aSjm22469 	uint32_t	status;
80*8fea755aSjm22469 	char		reason[1];
81*8fea755aSjm22469 } dr_vio_res_t;
82*8fea755aSjm22469 
83*8fea755aSjm22469 #define	DR_VIO_DS_ID		"dr-vio"
84*8fea755aSjm22469 #define	DR_VIO_MAXREASONLEN	1024
85*8fea755aSjm22469 
86*8fea755aSjm22469 #ifdef __cplusplus
87*8fea755aSjm22469 }
88*8fea755aSjm22469 #endif
89*8fea755aSjm22469 
90*8fea755aSjm22469 #endif /* _DR_IO_H */
91