xref: /openbmc/qemu/hw/pci/pci-stub.c (revision 49d755d0)
1 /*
2  * PCI stubs for platforms that don't support pci bus.
3  *
4  * Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp>
5  *                    VA Linux Systems Japan K.K.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "qemu/osdep.h"
22 #include "sysemu/sysemu.h"
23 #include "monitor/monitor.h"
24 #include "qapi/error.h"
25 #include "qapi/qapi-commands-misc.h"
26 #include "qapi/qmp/qerror.h"
27 #include "hw/pci/pci.h"
28 #include "hw/pci/msi.h"
29 
30 bool msi_nonbroken;
31 bool pci_available;
32 
33 PciInfoList *qmp_query_pci(Error **errp)
34 {
35     error_setg(errp, QERR_UNSUPPORTED);
36     return NULL;
37 }
38 
39 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict)
40 {
41     monitor_printf(mon, "PCI devices not supported\n");
42 }
43 
44 /* kvm-all wants this */
45 MSIMessage pci_get_msi_message(PCIDevice *dev, int vector)
46 {
47     g_assert(false);
48     return (MSIMessage){};
49 }
50 
51 uint16_t pci_requester_id(PCIDevice *dev)
52 {
53     g_assert(false);
54     return 0;
55 }
56 
57 /* Required by ahci.c */
58 bool msi_enabled(const PCIDevice *dev)
59 {
60     return false;
61 }
62 
63 void msi_notify(PCIDevice *dev, unsigned int vector)
64 {
65     g_assert_not_reached();
66 }
67