xref: /freebsd/usr.sbin/bhyve/pci_hostbridge.c (revision 366f60834ff8ef709f132fe8976c96a5e2caace9)
1 /*-
2  * Copyright (c) 2011 NetApp, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include "pci_emul.h"
33 
34 static int
35 pci_hostbridge_init(struct vmctx *ctx, struct pci_devinst *pi, char *opts)
36 {
37 
38 	/* config space */
39 	pci_set_cfgdata16(pi, PCIR_VENDOR, 0x1275);	/* NetApp */
40 	pci_set_cfgdata16(pi, PCIR_DEVICE, 0x1275);	/* NetApp */
41 	pci_set_cfgdata8(pi, PCIR_HDRTYPE, PCIM_HDRTYPE_BRIDGE);
42 	pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_BRIDGE);
43 	pci_set_cfgdata8(pi, PCIR_SUBCLASS, PCIS_BRIDGE_HOST);
44 
45 	return (0);
46 }
47 
48 struct pci_devemu pci_de_hostbridge = {
49 	.pe_emu = "hostbridge",
50 	.pe_init = pci_hostbridge_init,
51 };
52 PCI_EMUL_SET(pci_de_hostbridge);
53