1221828Sgrehan/*-
2221828Sgrehan * Copyright (c) 2011 NetApp, Inc.
3221828Sgrehan * All rights reserved.
4221828Sgrehan *
5221828Sgrehan * Redistribution and use in source and binary forms, with or without
6221828Sgrehan * modification, are permitted provided that the following conditions
7221828Sgrehan * are met:
8221828Sgrehan * 1. Redistributions of source code must retain the above copyright
9221828Sgrehan *    notice, this list of conditions and the following disclaimer.
10221828Sgrehan * 2. Redistributions in binary form must reproduce the above copyright
11221828Sgrehan *    notice, this list of conditions and the following disclaimer in the
12221828Sgrehan *    documentation and/or other materials provided with the distribution.
13221828Sgrehan *
14221828Sgrehan * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15221828Sgrehan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16221828Sgrehan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17221828Sgrehan * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18221828Sgrehan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19221828Sgrehan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20221828Sgrehan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21221828Sgrehan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22221828Sgrehan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23221828Sgrehan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24221828Sgrehan * SUCH DAMAGE.
25221828Sgrehan *
26221828Sgrehan * $FreeBSD$
27221828Sgrehan */
28221828Sgrehan
29221828Sgrehan#include <sys/cdefs.h>
30221828Sgrehan__FBSDID("$FreeBSD$");
31221828Sgrehan
32221828Sgrehan#include <sys/types.h>
33221828Sgrehan
34221828Sgrehan#include <assert.h>
35221828Sgrehan
36221828Sgrehan#include "inout.h"
37261265Sjhb#include "pci_lpc.h"
38221828Sgrehan
39221828Sgrehanstatic int
40221828Sgrehanpost_data_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
41221828Sgrehan		  uint32_t *eax, void *arg)
42221828Sgrehan{
43221828Sgrehan	assert(in == 1);
44221828Sgrehan
45221828Sgrehan	if (bytes != 1)
46221828Sgrehan		return (-1);
47221828Sgrehan
48221828Sgrehan	*eax = 0xff;		/* return some garbage */
49221828Sgrehan	return (0);
50221828Sgrehan}
51221828Sgrehan
52221828SgrehanINOUT_PORT(post, 0x84, IOPORT_F_IN, post_data_handler);
53261265SjhbSYSRES_IO(0x84, 1);
54