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/*
* Copyright 1999-2006 by VMware, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the copyright holder(s)
* and author(s) shall not be used in advertising or otherwise to promote
* the sale, use or other dealings in this Software without prior written
* authorization from the copyright holder(s) and author(s).
*/
/*
* vmmouse_proto.h --
*
* The communication protocol between the guest and the vmmouse
* virtual device.
*/
#ifndef _VMMOUSE_PROTO_H_
#define _VMMOUSE_PROTO_H_
#include <stdint.h>
#include <unistd.h>
#if !defined __i386__ && !defined __x86_64__
#error The vmmouse protocol is only supported on x86 architectures.
#endif
#define VMMOUSE_PROTO_MAGIC 0x564D5868
#define VMMOUSE_PROTO_PORT 0x5658
#define VMMOUSE_PROTO_CMD_GETVERSION 10
#define VMMOUSE_PROTO_CMD_ABSPOINTER_DATA 39
#define VMMOUSE_PROTO_CMD_ABSPOINTER_STATUS 40
#define VMMOUSE_PROTO_CMD_ABSPOINTER_COMMAND 41
#define DECLARE_REG32_STRUCT(_r) \
union { \
struct { \
uint16_t low; \
uint16_t high; \
} vE##_r##_; \
uint32_t vE##_r; \
}
#ifdef __x86_64__
#define DECLARE_REG64_STRUCT(_r) \
union { \
DECLARE_REG32_STRUCT(_r); \
struct { \
uint32_t low; \
uint32_t high; \
} vR##_r##_; \
uint64_t vR##_r; \
}
#define DECLARE_REG_STRUCT(x) DECLARE_REG64_STRUCT(x)
#else
#define DECLARE_REG_STRUCT(x) DECLARE_REG32_STRUCT(x)
#endif
typedef union {
struct {
union {
uint32_t magic;
DECLARE_REG_STRUCT(ax);
};
union {
size_t size;
DECLARE_REG_STRUCT(bx);
};
union {
uint16_t command;
DECLARE_REG_STRUCT(cx);
};
union {
uint16_t port;
DECLARE_REG_STRUCT(dx);
};
DECLARE_REG_STRUCT(si);
DECLARE_REG_STRUCT(di);
} in;
struct {
DECLARE_REG_STRUCT(ax);
DECLARE_REG_STRUCT(bx);
DECLARE_REG_STRUCT(cx);
DECLARE_REG_STRUCT(dx);
DECLARE_REG_STRUCT(si);
DECLARE_REG_STRUCT(di);
} out;
} VMMouseProtoCmd;
void
VMMouseProto_SendCmd(VMMouseProtoCmd *cmd); // IN/OUT
#undef DECLARE_REG_STRUCT
#endif /* _VMMOUSE_PROTO_H_ */
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