xref: /illumos-gate/usr/src/uts/sun4v/sys/glvc.h (revision 4ab777b1)
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  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_GLVC_H
27 #define	_GLVC_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * Service channel related Hypervisor function numbers.
37  */
38 #define	SVC_SEND		0x80
39 #define	SVC_RECV		0x81
40 #define	SVC_GETSTATUS		0x82
41 #define	SVC_SETSTATUS		0x83
42 #define	SVC_CLRSTATUS		0x84
43 
44 #ifndef _ASM
45 
46 /*
47  * VSC API versioning.
48  *
49  * Current glvc driver supports VSC API version 1.0.
50  */
51 #define	GLVC_VSC_MAJOR_VER_1	0x1ull
52 #define	GLVC_VSC_MAJOR_VER	GLVC_VSC_MAJOR_VER_1
53 
54 #define	GLVC_VSC_MINOR_VER_0	0x0ull
55 #define	GLVC_VSC_MINOR_VER	GLVC_VSC_MINOR_VER_0
56 
57 /* for ioctl */
58 #define	GLVC_XPORT_IOCTL_DATA_PEEK		1
59 #define	GLVC_XPORT_IOCTL_OPT_OP			2
60 
61 typedef struct glvc_xport_msg_peek {
62 	caddr_t		buf;	/* ptr to buffer to hold peeked data */
63 	size_t		buflen;	/* number of bytes of peeked data */
64 	uint16_t	flags;	/* future control flags - set to 0 */
65 } glvc_xport_msg_peek_t;
66 
67 typedef struct glvc_xport_msg_peek32 {
68 	uint32_t	buf32;	/* 32 bit ptr to buffer to hold peeked data */
69 	uint32_t	buflen32;	/* number of bytes of peeked data */
70 	uint16_t	flags;		/* future control flags - set to 0 */
71 } glvc_xport_msg_peek32_t;
72 
73 #define	GLVC_XPORT_OPT_GET			1
74 #define	GLVC_XPORT_OPT_SET			2
75 
76 #define	GLVC_XPORT_OPT_MTU_SZ			1
77 #define	GLVC_XPORT_OPT_LINGER_TO			2
78 #define	GLVC_XPORT_OPT_REG_STATUS			3
79 
80 typedef struct glvc_xport_opt_op {
81 	int32_t		op_sel;		/* operation selector(ex: GET) */
82 	int32_t		opt_sel;	/* option selector (ex: MTU) */
83 	uint32_t	opt_val;	/* option value to use */
84 } glvc_xport_opt_op_t;
85 
86 #endif /* _ASM */
87 
88 #ifdef __cplusplus
89 }
90 #endif
91 
92 #endif /* _GLVC_H */
93