mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice-common
synced 2025-12-27 15:08:21 +00:00
98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/*
|
|
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
|