vmmouse_proto.h revision d075918c 
1/*
2 * Copyright 1999-2006 by VMware, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Except as contained in this notice, the name of the copyright holder(s)
23 * and author(s) shall not be used in advertising or otherwise to promote
24 * the sale, use or other dealings in this Software without prior written
25 * authorization from the copyright holder(s) and author(s).
26 */
27
28/*
29 * vmmouse_proto.h --
30 *
31 *      The communication protocol between the guest and the vmmouse
32 *      virtual device.
33 */
34
35
36#ifndef _VMMOUSE_PROTO_H_
37#define _VMMOUSE_PROTO_H_
38
39
40#ifdef HAVE_CONFIG_H
41#include "config.h"
42#endif
43
44#include <stdint.h>
45
46#ifdef HAVE_XORG_SERVER_1_1_0
47#include <unistd.h>
48#else
49#include "xf86_libc.h"
50#endif
51
52/* Map Solaris/Sun compiler #defines to gcc equivalents */
53#if !defined __i386__ && defined __i386
54# define __i386__
55#endif
56
57#if !defined __x86_64__ && defined __amd64
58# define __x86_64__
59#endif
60
61#if !defined __i386__ && !defined __x86_64__
62#error The vmmouse protocol is only supported on x86 architectures.
63#endif
64
65#define VMMOUSE_PROTO_MAGIC 0x564D5868
66#define VMMOUSE_PROTO_PORT 0x5658
67
68#define VMMOUSE_PROTO_CMD_GETVERSION		10
69#define VMMOUSE_PROTO_CMD_ABSPOINTER_DATA	39
70#define VMMOUSE_PROTO_CMD_ABSPOINTER_STATUS	40
71#define VMMOUSE_PROTO_CMD_ABSPOINTER_COMMAND	41
72
73#define DECLARE_REG32_STRUCT(_r) \
74   union { \
75      struct { \
76         uint16_t low; \
77         uint16_t high; \
78      } vE##_r##_; \
79      uint32_t vE##_r; \
80   }
81
82#ifdef __x86_64__
83
84#define DECLARE_REG64_STRUCT(_r) \
85   union { \
86      DECLARE_REG32_STRUCT(_r); \
87      struct { \
88         uint32_t low; \
89         uint32_t high; \
90      } vR##_r##_; \
91      uint64_t vR##_r; \
92   }
93
94#define DECLARE_REG_STRUCT(x) DECLARE_REG64_STRUCT(x)
95
96#else
97
98#define DECLARE_REG_STRUCT(x) DECLARE_REG32_STRUCT(x)
99
100#endif
101
102typedef union {
103   struct {
104      union {
105         uint32_t magic;
106         DECLARE_REG_STRUCT(ax);
107      };
108      union {
109         size_t size;
110         DECLARE_REG_STRUCT(bx);
111      };
112      union {
113         uint16_t command;
114         DECLARE_REG_STRUCT(cx);
115      };
116      union {
117         uint16_t port;
118         DECLARE_REG_STRUCT(dx);
119      };
120      DECLARE_REG_STRUCT(si);
121      DECLARE_REG_STRUCT(di);
122   } in;
123   struct {
124      DECLARE_REG_STRUCT(ax);
125      DECLARE_REG_STRUCT(bx);
126      DECLARE_REG_STRUCT(cx);
127      DECLARE_REG_STRUCT(dx);
128      DECLARE_REG_STRUCT(si);
129      DECLARE_REG_STRUCT(di);
130   } out;
131} VMMouseProtoCmd;
132
133
134void
135VMMouseProto_SendCmd(VMMouseProtoCmd *cmd); // IN/OUT
136
137
138#undef DECLARE_REG_STRUCT
139
140#endif /* _VMMOUSE_PROTO_H_ */
141