sync code with last improvements from OpenBSD

driver/xf86-input-vmmouse/shared/vmmouse_proto.h

@@ -0,0 +1,136 @@
+/*
+ * 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>
+
+#ifdef HAVE_XORG_SERVER_1_1_0
+#include <unistd.h>
+#else
+#include "xf86_libc.h"
+#endif
+
+/* Map Solaris/Sun compiler #defines to gcc equivalents */
+#if !defined __i386__ && defined __i386
+# define __i386__
+#endif
+
+#if !defined __x86_64__ && defined __amd64
+# define __x86_64__
+#endif
+
+#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 VMMOUSE_PROTO_CMD_ABSPOINTER_RESTRICT   86
+
+#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_ */