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/*-
* Copyright (c) 2011 NetApp, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``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 NETAPP, INC 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.
*
* $FreeBSD$
*/
#ifndef _INOUT_H_
#define _INOUT_H_
#include <sys/linker_set.h>
struct vmctx;
typedef int (*inout_func_t)(struct vmctx *ctx, int vcpu, int in, int port,
int bytes, uint32_t *eax, void *arg);
struct inout_port {
const char *name;
int port;
int size;
int flags;
inout_func_t handler;
void *arg;
};
#define IOPORT_F_IN 0x1
#define IOPORT_F_OUT 0x2
#define IOPORT_F_INOUT 0x3
#define INOUT_PORT(name, port, flags, handler) \
static struct inout_port __CONCAT(__inout_port, __LINE__) = { \
#name, \
(port), \
1, \
(flags), \
(handler), \
0 \
}; \
DATA_SET(inout_port_set, __CONCAT(__inout_port, __LINE__))
void init_inout(void);
int emulate_inout(struct vmctx *, int vcpu, int in, int port, int bytes,
uint32_t *eax, int strict);
int register_inout(struct inout_port *iop);
int unregister_inout(struct inout_port *iop);
void init_bvmcons(void);
#endif /* _INOUT_H_ */
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