1 files changed, 97 insertions, 0 deletions
diff --git a/common/vdi_dev.h b/common/vdi_dev.h
new file mode 100644
index 00000000..d8b5add3
--- /dev/null
+++ b/common/vdi_dev.h
@@ -0,0 +1,97 @@
+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+       * Redistributions of source code must retain the above copyright
+         notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above copyright
+         notice, this list of conditions and the following disclaimer in
+         the documentation and/or other materials provided with the
+         distribution.
+       * Neither the name of the copyright holder nor the names of its
+         contributors may be used to endorse or promote products derived
+         from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS
+   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _H_VDI_DEV
+#define _H_VDI_DEV
+
+#include "ipc_ring.h"
+
+#ifdef __GNUC__
+#ifdef __i386__
+#define mb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory")
+#else
+//mfence
+#define mb() __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory")
+#endif
+#define ATTR_PACKED __attribute__ ((__packed__))
+#else
+#pragma pack(push)
+#pragma pack(1)
+#define ATTR_PACKED
+#define mb() __asm {lock add [esp], 0}
+#endif
+
+#define REDHAT_PCI_VENDOR_ID 0x1b36
+
+#define VDI_PORT_DEVICE_ID 0x0105
+#define VDI_PORT_REVISION 0x01
+
+#define VDI_PORT_INTERRUPT (1 << 0)
+
+#define VDI_PORT_MAGIC (*(UINT32*)"VDIP")
+
+typedef struct ATTR_PACKED VDIPortPacket {
+    UINT32 gen;
+    UINT32 size;
+    UINT8 data[512 - 2 * sizeof(UINT32)];
+} VDIPortPacket;
+
+RING_DECLARE(VDIPortRing, VDIPortPacket, 32);
+
+enum {
+    VDI_PORT_IO_RANGE_INDEX,
+    VDI_PORT_RAM_RANGE_INDEX,
+};
+
+enum {
+    VDI_PORT_IO_CONNECTION,
+    VDI_PORT_IO_NOTIFY = 4,
+    VDI_PORT_IO_UPDATE_IRQ = 8,
+
+    VDI_PORT_IO_RANGE_SIZE = 12
+};
+
+typedef struct ATTR_PACKED VDIPortRam {
+    UINT32 magic;
+    UINT32 generation;
+    UINT32 int_pending;
+    UINT32 int_mask;
+    VDIPortRing input;
+    VDIPortRing output;
+    UINT32 reserv[32];
+} VDIPortRam;
+
+#ifndef __GNUC__
+#pragma pack(pop)
+#endif
+
+#undef ATTR_PACKED
+
+#endif