79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*-
|
|
* 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 "types.h"
|
|
#include "acrn_common.h"
|
|
struct vmctx;
|
|
struct vhm_request;
|
|
|
|
/*
|
|
* inout emulation handlers return 0 on success and -1 on failure.
|
|
*/
|
|
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 (IOPORT_F_IN | IOPORT_F_OUT)
|
|
|
|
/*
|
|
* The following flags are used internally and must not be used by
|
|
* device models.
|
|
*/
|
|
#define IOPORT_F_DEFAULT 0x80000000 /* claimed by default handler */
|
|
|
|
#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 *ctx, int *pvcpu, struct pio_request *req);
|
|
int register_inout(struct inout_port *iop);
|
|
int unregister_inout(struct inout_port *iop);
|
|
|
|
#endif /* _INOUT_H_ */
|