xref: /freebsd/usr.sbin/bhyve/pci_hostbridge.c (revision b9f654b163bce26de79705e77b872427c9f2afa1)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2011 NetApp, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include "pci_emul.h"
35 
36 static int
37 pci_hostbridge_init(struct vmctx *ctx, struct pci_devinst *pi, char *opts)
38 {
39 
40 	/* config space */
41 	pci_set_cfgdata16(pi, PCIR_VENDOR, 0x1275);	/* NetApp */
42 	pci_set_cfgdata16(pi, PCIR_DEVICE, 0x1275);	/* NetApp */
43 	pci_set_cfgdata8(pi, PCIR_HDRTYPE, PCIM_HDRTYPE_NORMAL);
44 	pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_BRIDGE);
45 	pci_set_cfgdata8(pi, PCIR_SUBCLASS, PCIS_BRIDGE_HOST);
46 
47 	pci_emul_add_pciecap(pi, PCIEM_TYPE_ROOT_PORT);
48 
49 	return (0);
50 }
51 
52 static int
53 pci_amd_hostbridge_init(struct vmctx *ctx, struct pci_devinst *pi, char *opts)
54 {
55 	(void) pci_hostbridge_init(ctx, pi, opts);
56 	pci_set_cfgdata16(pi, PCIR_VENDOR, 0x1022);	/* AMD */
57 	pci_set_cfgdata16(pi, PCIR_DEVICE, 0x7432);	/* made up */
58 
59 	return (0);
60 }
61 
62 struct pci_devemu pci_de_amd_hostbridge = {
63 	.pe_emu = "amd_hostbridge",
64 	.pe_init = pci_amd_hostbridge_init,
65 };
66 PCI_EMUL_SET(pci_de_amd_hostbridge);
67 
68 struct pci_devemu pci_de_hostbridge = {
69 	.pe_emu = "hostbridge",
70 	.pe_init = pci_hostbridge_init,
71 };
72 PCI_EMUL_SET(pci_de_hostbridge);
73